CN110925366A - Tractor speed change system and tractor - Google Patents

Tractor speed change system and tractor Download PDF

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Publication number
CN110925366A
CN110925366A CN201911318707.6A CN201911318707A CN110925366A CN 110925366 A CN110925366 A CN 110925366A CN 201911318707 A CN201911318707 A CN 201911318707A CN 110925366 A CN110925366 A CN 110925366A
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CN
China
Prior art keywords
gear
shaft
driven
drive
selection mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911318707.6A
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Chinese (zh)
Inventor
郭华
王敏峰
赵新华
庄学成
单海发
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Jiangsu Changfa Agricultural Equipment Co Ltd
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Jiangsu Changfa Agricultural Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Changfa Agricultural Equipment Co Ltd filed Critical Jiangsu Changfa Agricultural Equipment Co Ltd
Priority to CN201911318707.6A priority Critical patent/CN110925366A/en
Publication of CN110925366A publication Critical patent/CN110925366A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0017—Transmissions for multiple ratios specially adapted for four-wheel-driven vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0078—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratio comprising twelve or more forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
    • F16H2200/0095—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising four reverse speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2048—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with seven engaging means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a tractor speed change system and a tractor, wherein the tractor speed change system comprises: the reversing assembly, the main transmission assembly, the auxiliary transmission assembly and the creeper gear assembly are sequentially arranged; the main transmission assembly comprises a Lo clutch, a Hi clutch and a plurality of main transmission paths, and any main transmission path can be in transmission connection with the Lo clutch or the Hi clutch respectively; the Lo clutch is selectively in transmission connection with a forward gear driving gear or a reverse gear intermediate gear II; the Hi clutch is selectively in transmission connection with a forward gear driving gear or a reverse gear intermediate gear II; any main speed change transmission path is selectively in transmission connection with any auxiliary speed change transmission path; any main speed change transmission path is in transmission connection with any auxiliary speed change transmission path and then can be selectively in transmission connection with the creeper gear assembly. The invention realizes that the tractor has 128 gears of 64 forward gears and 64 reverse gears, and the whole speed change system has compact structure and high transmission efficiency.

Description

Tractor speed change system and tractor
Technical Field
The invention relates to the technical field of tractor speed change, in particular to a tractor speed change system and a tractor.
Background
At present, the gear shifting of the domestic tractor transmission system mainly adopts a meshing sleeve or a synchronizer. When shifting gears, the main clutch needs to be separated, the power transmission of the tractor is cut off, and then the gear shifting and reversing operations are carried out through the operating lever. The mode is simple and reliable, and the manufacturing cost is low. However, the labor intensity of the driver is relatively large when the operation is frequently performed. Accordingly, it is desirable to provide a novel shift and reverse operating system.
Disclosure of Invention
In order to simplify the operation of a driver and reduce the labor intensity of the driver, the invention provides a speed change system of a tractor and the tractor, which realizes that the tractor has 128 gears comprising 64 forward gears and 64 reverse gears, and simultaneously has various power output and rotation speed combinations, thereby being convenient to realize four-wheel drive; and the whole speed change system has compact structure, high transmission efficiency and reasonable speed arrangement.
The technical scheme provided by the invention is as follows:
a tractor transmission system comprising: the reversing assembly, the main transmission assembly, the auxiliary transmission assembly and the creeper gear assembly are sequentially arranged; the reversing assembly comprises an input shaft and a reverse intermediate shaft which are arranged in parallel; the input shaft is sleeved with a reverse gear driving gear and a forward gear driving gear in an empty mode, and the input shaft is fixedly provided with a first selection mechanism which can be selectively connected with the reverse gear driving gear or the forward gear driving gear; the reverse intermediate shaft is fixedly provided with a reverse intermediate gear I and a reverse intermediate gear II; the first reverse intermediate gear is meshed with the reverse driving gear; the main transmission assembly comprises a Lo clutch, a Hi clutch and a plurality of main transmission paths, wherein any main transmission path can be in transmission connection with the Lo clutch or the Hi clutch respectively; the Lo clutch is selectively in transmission connection with the forward driving gear or the reverse intermediate gear II; the Hi clutch is selectively in transmission connection with the forward driving gear or the reverse intermediate gear II; the auxiliary transmission assembly is provided with a plurality of auxiliary transmission paths; any of said main transmission paths is selectively drivingly connected to any of said auxiliary transmission paths; any main speed change transmission path is in transmission connection with any auxiliary speed change transmission path and then can be selectively in transmission connection with the creeper gear assembly.
According to the technical scheme, when the tractor encounters a condition that cultivation resistance changes greatly in the operation process, the high gear and the low gear are switched through power gear shifting, and the running speed of the tractor can be changed. Meanwhile, the reversing assembly is arranged at the front end of the main transmission assembly, the reverse gear number is increased, and the speed range is wider. The four-wheel drive tractor realizes the forward gears and the reverse gears of the tractor with the same number by compact space arrangement, and has various power output and rotating speed combinations, thereby being convenient to realize four-wheel drive; and the whole speed change system has compact structure, high transmission efficiency and reasonable speed arrangement. In practical application, the change of the running speed of the tractor can be realized by the driver through the high-low gear control button, so that the operation efficiency is improved, the operation intensity of the driver is reduced, the control comfort is improved, and the cost of the tractor is not increased too much.
Further, the main transmission assembly comprises a high-low gear spline shaft, a constant mesh gear shaft II, a first shaft and a second shaft which are arranged in parallel; the high-low gear spline shaft is in transmission connection with the shaft; the high-low gear spline shaft is sleeved with a Lo driven gear and a Hi driven gear in an empty manner; the second normally meshed gear shaft is provided with the Lo clutch and the Hi clutch; the second normally meshed gear shaft is sleeved with a Lo driving gear corresponding to the Lo clutch in an empty mode, and the Lo driving gear is meshed with the Lo driven gear; a Hi driving gear is sleeved on the normally meshed gear shaft II corresponding to the Hi clutch in an empty mode, and the Hi driving gear is meshed with the Hi driven gear; the shaft is fixedly provided with N driving gears, wherein the nth driving gear is an N-gear driving gear; the two shafts are sleeved with N driven gears; the nth driven gear is an n-gear driven gear; the two shafts are fixedly provided with a selection mechanism which can be selectively connected with the n-gear driven gear or the (n-1) -gear driven gear, and each driven gear is correspondingly provided with one selection mechanism; the N-gear driving gears and the N-gear driven gears are correspondingly meshed and connected one by one to form N main transmission paths; wherein N, N are positive integers greater than 1, and N is less than or equal to N.
Further, a fourth-gear driving gear, a third-gear driving gear, a second-gear driving gear and a first-gear driving gear are sleeved on the first shaft in an empty mode; the second shaft is sleeved with a fourth-gear driven gear, a third-gear driven gear, a second-gear driven gear and a first-gear driven gear; the second shaft is fixedly provided with a second selection mechanism selectively connected with the fourth-gear driven gear or the third-gear driven gear and a third selection mechanism selectively connected with the second-gear driven gear or the first-gear driven gear; the four-gear driving gear and the four-gear driven gear are meshed and connected to form a main transmission path; the three-gear driving gear and the three-gear driven gear are meshed and connected to form a main transmission path; the second-gear driving gear and the second-gear driven gear are meshed and connected to form a main transmission path; the first-gear driving gear and the first-gear driven gear are meshed and connected to form a main transmission path.
In the technical scheme, the tractor realizes 128 gears comprising 64 forward gears and 64 reverse gears.
Further, the selection mechanism employs a synchronizer or a meshing sleeve.
Further, a second normally meshed gear shaft is fixedly provided with an intermediate gear, and the intermediate gear is respectively meshed with the forward gear driving gear and the reverse gear intermediate gear.
Further, the auxiliary transmission assembly comprises a first constant mesh gear shaft and an auxiliary transmission driven shaft; a normally meshed gear, a slow-gear driving gear, a low-gear driving gear and a middle-gear driving gear are sleeved on the normally meshed gear shaft I in an empty mode; a two-shaft gear is fixedly arranged on the two shafts; the auxiliary transmission driven shaft is sleeved with a slow-gear driven gear, a low-gear driven gear and a medium-gear driven gear in an empty manner; the three shaft is fixedly provided with a fourth selection mechanism selectively connected with the two shaft gear or the slow-gear driven gear and a fifth selection mechanism selectively connected with the low-gear driven gear or the medium-gear driven gear; the constant mesh gear is meshed and connected with the two-shaft gear to form a pair of variable transmission paths; the slow gear driving gear is meshed and connected with the slow gear driven gear to form a pair of variable speed transmission paths; the low-gear driving gear is meshed and connected with the low-gear driven gear to form a pair of variable speed transmission paths; the middle-gear driving gear and the middle-gear driven gear are meshed and connected to form a pair of variable transmission paths.
Further, the crawling gear assembly comprises a crawling gear shaft and a small bevel gear shaft; the crawling gear shaft is sleeved with a crawling gear driven gear I and a crawling gear driven gear II in a hollow manner; the auxiliary variable speed driven shaft is fixedly provided with an auxiliary variable speed driven gear, and the auxiliary variable speed driven gear is meshed with the crawling gear driven gear I; the small bevel gear shaft is fixedly provided with a crawling gear meshing sleeve; the small bevel gear shaft is sleeved with a crawling gear driven gear in an empty manner, and the crawling gear driven gear is meshed with the crawling gear driven gear II; the creep gear engaging sleeve is selectively connected with the auxiliary transmission driven gear or the creep gear driven gear.
Furthermore, the small bevel gear shaft is in transmission connection with a differential; the differential is in driving connection with the final drive assembly.
Furthermore, the small bevel gear shaft is in transmission connection with the transfer case assembly.
The present invention also provides a tractor comprising: fuselage and any one above-mentioned tractor variable speed system.
Compared with the prior art, this tractor speed change system and tractor beneficial effect lie in:
(1) the four-wheel drive tractor realizes 128 gears of 64 forward gears and 64 reverse gears of the tractor by compact spatial arrangement, and has various power output and rotating speed combinations, thereby being convenient to realize four-wheel drive; and the whole speed change system has compact structure, high transmission efficiency and reasonable speed arrangement. Meanwhile, the reversing assembly is arranged at the front end of the main transmission assembly, the reverse gear number is increased, and the speed range is wider. In practical application, when the tractor encounters the condition of large change of farming resistance in the operation process, the high-gear and low-gear switching is realized through power gear shifting, and the change of the running speed of the tractor can be realized, so that the operation efficiency is improved, the operation intensity of a driver is reduced, the operation comfort is improved, and the cost of the tractor is not increased too much.
(2) According to the invention, through arranging a certain transmission part of one assembly on a certain part of the other assembly (such as the two-shaft gear of the auxiliary transmission assembly is arranged on the two shafts of the main transmission assembly, the auxiliary transmission driven gear of the creep gear assembly is arranged on the normally meshed gear shaft and the like), transmission paths among the assemblies are greatly simplified, and the structural compactness and the transmission efficiency of the speed changing system are further improved.
Drawings
The above features, technical features, advantages and modes of realisation of a tractor transmission system and tractor will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.
Fig. 1 is a schematic structural diagram of an embodiment of the tractor transmission system of the invention.
The reference numbers illustrate:
01. an input shaft, 1, a reverse gear driving gear, 1A, a selection mechanism I, 2, a forward gear driving gear, 3, Lo driven gear, 4, Hi driven gear, 5, a fourth gear driving gear, 6, a third gear driving gear, 7, a second gear driving gear, 8, a first gear driving gear, 9, a normally meshed gear, 10, a slow gear driving gear, 11, a low gear driving gear, 12, a middle gear driving gear, 13, a creep gear driven gear I, 14, a creep gear driven gear II, 15, a reverse gear intermediate gear I, 16, a normally meshed gear shaft II, 17, a reverse gear intermediate gear II, 18, Lo driving gear, 19, Hi driving gear, 20, a fourth gear driven gear, 21, a selection mechanism II, 22, a third gear driven gear, 23, a second gear driven gear, 24, a selection mechanism III, 25, a first gear driven gear, 26, a second shaft gear, 27, a selection mechanism IV, 28, slow gear, 29. 30 parts of low-gear driven gear, 31 parts of middle-gear driven gear, 32 parts of auxiliary transmission driven gear, 33 parts of crawling gear meshing sleeve, 34 parts of crawling gear driven gear, B.Lo clutch, C.Hi clutch, D parts of transfer case assembly, E parts of power output assembly and F parts of final transmission assembly.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one". In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted", "connected" and "fixedly connected" are to be understood in a broad sense, e.g. fixedly, detachably or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In one embodiment of the present invention, as shown in fig. 1, a tractor transmission system includes: the reversing assembly, the main transmission assembly, the auxiliary transmission assembly and the creeper gear assembly are sequentially arranged; the reversing assembly comprises an input shaft 01 and a reverse intermediate shaft which are arranged in parallel; the input shaft 01 is sleeved with a reverse gear driving gear 1 and a forward gear driving gear 2, and the input shaft 01 is fixedly provided with a reverse gear driving gear 1A which can be selectively connected with the reverse gear driving gear 1 or the forward gear driving gear 2; the reverse intermediate shaft is fixedly provided with a reverse intermediate gear I15 and a reverse intermediate gear II 17; the first reverse intermediate gear 15 is meshed with the reverse driving gear 1; the main shift assembly includes a Lo clutch B, Hi, clutch C, and a plurality of main shift transmission paths, any of which may be drivingly connected to either Lo clutch B or Hi clutch C; the Lo clutch B is selectively in transmission connection with the forward gear driving gear 2 or the reverse gear intermediate gear II 17; the Hi clutch C is selectively in transmission connection with the forward gear driving gear 2 or the reverse gear intermediate gear II 17; the auxiliary transmission assembly is provided with a plurality of auxiliary transmission paths; any main speed change transmission path is selectively in transmission connection with any auxiliary speed change transmission path; any main variable speed transmission path is in transmission connection with any auxiliary variable speed transmission path and then can be selectively in transmission connection with the creeper gear assembly; preferably, the main speed change assembly comprises high-low gear spline shafts, a second constant mesh gear shaft 16, a first shaft and a second shaft which are arranged in parallel; the high-low gear spline shaft is in transmission connection with a shaft; a Lo driven gear 3 and a Hi driven gear 4 are sleeved on the high-low gear spline shaft in an empty manner; the second normally meshed gear shaft 16 is provided with a Lo clutch B and a Hi clutch C; a second normally meshed gear shaft 16 is sleeved with a Lo driving gear 18 corresponding to the Lo clutch B in an empty mode, and the Lo driving gear 18 is meshed with the Lo driven gear 3; a second normally meshed gear shaft 16 is sleeved with a Hi driving gear 19 corresponding to the Hi clutch C in an empty mode, and the Hi driving gear 19 is meshed with the Hi driven gear 4; n driving gears are fixedly arranged on one shaft, wherein the nth driving gear is an N-gear driving gear; the two shafts are sleeved with N driven gears; the nth driven gear is an n-gear driven gear; the two shafts are fixedly provided with a selection mechanism which can be selectively connected with an n-gear driven gear or an (n-1) -gear driven gear, and each driven gear is correspondingly provided with a selection mechanism; the N-gear driving gears and the N-gear driven gears are correspondingly meshed and connected one by one to form N main transmission paths; wherein N, N are positive integers greater than 1, and N is less than or equal to N. It is worth to be noted that, when a selection mechanism is arranged between the N-gear driven gear and the (N-1) gear driven gear, the (N-1) gear driven gear and the (N-2) gear driven gear do not need to be provided with the selection mechanism, but a selection mechanism is arranged between the (N-2) gear driven gear and the (N-3) gear driven gear, and N, N are positive integers which are greater than 3, and N is less than or equal to N. Preferably, the selection mechanism employs a synchronizer or an engagement sleeve.
Illustratively, a shaft is sleeved with a fourth-gear driving gear 5, a third-gear driving gear 6, a second-gear driving gear 7 and a first-gear driving gear 8; the second shaft is sleeved with a fourth-gear driven gear 20, a third-gear driven gear 22, a second-gear driven gear 23 and a first-gear driven gear 25 in an empty mode; the second shaft is fixedly provided with a second selection mechanism 21 which can be selectively connected with the fourth-gear driven gear 20 or the third-gear driven gear 22, and a third selection mechanism 24 which can be selectively connected with the second-gear driven gear 23 or the first-gear driven gear 25; the four-gear driving gear 5 is meshed and connected with the four-gear driven gear 20 to form a main transmission path; the third-gear driving gear 6 is meshed and connected with the third-gear driven gear 22 to form a main transmission path; the second-gear driving gear 7 is meshed and connected with the second-gear driven gear 23 to form a main transmission path; the first-gear driving gear 8 and the first-gear driven gear 25 are meshed and connected to form a main transmission path. Furthermore, a second normally meshed gear shaft 16 is fixedly provided with an intermediate gear, and the intermediate gear is respectively meshed and connected with the forward driving gear 2 and a second reverse intermediate gear 17.
Preferably, the auxiliary transmission assembly comprises a first constant mesh gear shaft and an auxiliary transmission driven shaft; a first normally meshed gear shaft is sleeved with a normally meshed gear 9, a slow gear driving gear 10, a low gear driving gear 11 and a middle gear driving gear 12 in an empty mode; a two-shaft gear 26 is fixedly arranged on the two shafts; the auxiliary transmission driven shaft is sleeved with a slow-gear driven gear 28, a low-gear driven gear 29 and a medium-gear driven gear 31 in an empty manner; the three shaft is fixedly provided with a fourth selection mechanism 27 selectively connected with the second shaft gear 26 or the slow gear driven gear 28, and a fifth selection mechanism 30 selectively connected with the low gear driven gear 29 or the medium gear driven gear 31; the constant mesh gear 9 is meshed and connected with the double-shaft gear 26 to form a pair of variable speed transmission paths; the slow-gear driving gear 10 is meshed with the slow-gear driven gear 28 to form a pair of speed change transmission paths; the low-gear driving gear 11 is meshed with the low-gear driven gear 29 to form a pair of speed change transmission paths; the middle-gear driving gear 12 is meshed and connected with the middle-gear driven gear 31 to form a pair of speed change transmission paths; preferably, the creeper assembly includes a creeper shaft and a small bevel gear shaft; the first crawling gear driven gear 13 and the second crawling gear driven gear 14 are sleeved on the crawling gear shaft in an empty mode; an auxiliary transmission driven gear 32 is fixedly arranged on the auxiliary transmission driven shaft, and the auxiliary transmission driven gear 32 is meshed with the first crawling gear driven gear 13; a crawling gear meshing sleeve 33 is fixedly arranged on the small bevel gear shaft; the small bevel gear shaft is sleeved with a crawling gear driven gear 34 in an empty mode, and the crawling gear driven gear 34 is in meshed connection with the second crawling gear driven gear 14; the creep gear sleeve 33 is selectively connected with the auxiliary transmission driven gear 32 or the creep gear driven gear 34; preferably, the bevel gear end of the small bevel gear shaft is in transmission connection with a differential; the differential is in transmission connection with the final drive assembly F. In practical application, a driver can change the running speed of the tractor through high and low gear control buttons (the Lo clutch B and the Hi clutch C), so that the operation efficiency is improved, the operation intensity of the driver is reduced, and the control comfort is improved. Preferably, the selection mechanisms (selection mechanism one 1A, selection mechanism two 21, selection mechanism three 24, selection mechanism four 27, selection mechanism five 30) are synchronizers, but of course, the selection mechanisms can also be meshing sleeves.
In another embodiment of the present invention, as shown in fig. 1, different from the above embodiment, a certain transmission component of one assembly is not disposed on a certain component of the other assembly (e.g. a two-shaft gear of a sub-transmission assembly is disposed on a two-shaft of a main transmission assembly, a sub-transmission driven gear of a creeper assembly is disposed on a normally engaged gear shaft, etc.), and the two assemblies in transmission connection can also be in transmission connection through a gear pair, so that a component of each assembly is not disposed on a certain component of the other assembly. But also fall within the scope of the invention.
In another embodiment of the present invention, as shown in fig. 1, on the basis of the above embodiment, a high-low stage spline shaft and a shaft are connected through a spline structure, specifically, the high-low stage spline shaft is coaxially arranged with the shaft, and the end of the high-low stage spline shaft close to the shaft is sleeved with a bearing, the inner wall of the bearing is connected with the outer side wall of the shaft through the spline structure. Of course, in another embodiment, the high-low gear spline shaft can also be directly connected with a shaft through a spline structure. The high-low gear spline shaft and the shaft can also be the same shaft. Further, the input shaft and the high-low gear spline shaft are coaxially arranged and are connected through a spline structure. Furthermore, bearings are respectively sleeved at two ends of the input shaft, the reverse intermediate shaft, the high-low gear spline shaft, the first shaft, the second constant-mesh gear shaft, the second shaft, the first constant-mesh gear shaft, the auxiliary variable speed driven shaft, the crawling gear shaft and the small bevel gear shaft, so that the abrasion of each shaft piece is reduced, and the service life of each shaft piece is prolonged. Further, the input shaft, the high-low gear spline shaft, the first shaft, the normally meshed gear shaft I and the crawling gear shaft are coaxially arranged; the second constant-meshed gear shaft, the second shaft, the auxiliary variable speed driven shaft and the small bevel gear shaft are coaxially arranged; the whole transmission system only needs to arrange three shafting (a plurality of shafts coaxially arranged with the input shaft, a plurality of shafts coaxially arranged with the normally meshed gear shaft II and a reverse intermediate shaft), and the transmission system has the advantages of very compact structure, high transmission efficiency and convenient operation.
In another embodiment of the present invention, as shown in FIG. 1, the pinion shaft is drivingly connected to the transfer case assembly D in addition to the above-described embodiment.
In another embodiment of the present invention, as shown in fig. 1, a power take-off assembly E is further included on the basis of the above embodiment.
Exemplarily, as shown in fig. 1, the selection mechanisms of the reversing assembly, the main transmission assembly and the auxiliary transmission assembly of the transmission system all adopt synchronizers, the creeper gear assembly adopts a meshing sleeve gear shifting structure, and the clutch (Lo clutch B, Hi clutch C) is an electro-hydraulic controlled wet multi-plate clutch; the Lo driven gear 3 and the Hi driven gear 4 are of an integral structure or are connected by a connecting piece to form an integral structure; the four-gear driving gear 5, the three-gear driving gear 6, the two-gear driving gear 7 and the first-gear driving gear 8 are of an integral structure or are connected by connecting pieces to form an integral structure; the normally meshed gear 9, the slow-gear driving gear 10, the low-gear driving gear 11 and the middle-gear driving gear 12 are of an integral structure or are connected by connecting pieces to form an integral structure; the first crawling gear driven gear 13 and the second crawling gear driven gear 14 are of an integral structure or are connected through a connecting piece to form an integral structure; the two-shaft and two-shaft gear 26 is an integral structure or is connected by a connecting piece to form an integral structure; the first normally meshed gear shaft and the normally meshed gear 9 are of an integral structure or are connected through a connecting piece to form an integral structure; the change of the running speed of the tractor can be realized by operating the button at a high gear and a low gear, 128 gears including 64 forward gears and 64 reverse gears can be realized in a compact spatial step, various power output speed combinations of 540/760/1000 rpm can be realized, and four-wheel drive can be conveniently realized. The specific transmission path is as follows:
forward gear transmission route:
(one) transmission line without hanging crawling device
1. Gear i forward gear (Lo-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
2. Gear ii forward (Lo-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
3. Gear iii forward (Lo-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
4. IV gear forward gear (Lo-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft (32) → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
5. Gear i forward (Lo — medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
6. Gear ii forward (Lo — medium speed): input shaft 01 → selection mechanism one 1A → forward drive gear 2 press → normally meshed gear shaft two 16 → Lo clutch B → Lo drive gear 18 → Lo driven gear 3 → second gear drive gear 7 → second gear driven gear 23 → selection mechanism three 24 → second shaft gear 26 → normally meshed gear 9 → middle drive gear 12 → middle driven gear 31 → selection mechanism five 30 → auxiliary transmission driven shaft → creeper gear sleeve 33 → small bevel gear shaft → differential → final drive assembly F.
7. Gear iii forward (Lo — medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
8. IV gear forward gear (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
9. I-gear forward gear (Lo-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
10. Gear ii forward gear (Lo-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
11. Gear iii forward (Lo-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
12. IV gear forward (Lo-Low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
13. Gear i forward gear (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first gear drive gear 8 → the first gear driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
14. Gear ii forward (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
15. Gear iii forward (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
16. IV gear forward gear (Lo-Slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second sub-transmission driven shaft → the second creep speed sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
17. Gear i forward gear (Hi-high): the input shaft 01 → the first selection mechanism 1A → the forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
18. Gear ii forward gear (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
19. Gear iii forward (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
20. Iv range forward (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
21. Gear i forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
22. Gear ii forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
23. Gear iii forward (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
24. IV gear forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
25. I-gear forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
26. Gear ii forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
27. Gear iii forward (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
28. Iv forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second sub-transmission driven shaft → the second creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
29. I-gear forward gear (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
30. Gear ii forward gear (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second sub-transmission driven shaft → the creep speed engaging sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
31. Gear iii forward (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep speed engaging sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
32. Iv forward gear (Hi-slow): input shaft 01 → selection mechanism 1A → forward drive gear 2 press → normally engaged gear shaft two 16 → Hi clutch C → Hi drive gear 19 → Hi driven gear 4 → fourth drive gear 5 → fourth driven gear 20 → selection mechanism two 21 → second shaft gear 26 → normally engaged gear 9 → slow drive gear 10 → slow driven gear 28 → selection mechanism four 27 → auxiliary transmission driven shaft → creep speed engaging sleeve 33 → small bevel gear shaft → differential → final stage
Transmission line of hanging crawling device
1. Gear i forward gear (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
2. Gear ii forward gear (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
3. Gear iii forward (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
4. Iv range forward (Hi-high): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the third selection mechanism 24 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
5. Gear i forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
6. Gear ii forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
7. Gear iii forward (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
8. IV gear forward gear (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
9. I-gear forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
10. Gear ii forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
11. Gear iii forward (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
12. Iv forward gear (Hi-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
13. I-gear forward gear (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
14. Gear ii forward gear (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
15. Gear iii forward (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
16. Iv forward gear (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
17. Gear i forward gear (Lo-high): the input shaft 01 → the first selection gear 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection gear 24 → the second shaft → the fourth selection gear 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
18. Gear ii forward (Lo-high): the input shaft 01 → the first selection gear 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second drive gear 23 → the third selection gear 24 → the second shaft → the fourth selection gear 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
19. Gear iii forward (Lo-high): the input shaft 01 → the first selection gear 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection gear 21 → the second shaft → the fourth selection gear 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
20. IV gear forward gear (Lo-high): the input shaft 01 → the first selection gear 1A → the first forward drive gear 2 press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection gear 21 → the second shaft → the fourth selection gear 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
21. Gear i forward (Lo — medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
22. Gear ii forward (Lo — medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
23. Gear iii forward (Lo — medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
24. IV gear forward gear (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
25. I-gear forward gear (Lo-low): input shaft 01 → first selection gear 1A → forward drive gear 2 press → second normally meshed gear shaft 16 → Lo clutch B → Lo drive gear 18 → Lo driven gear 3 → second drive gear 7 → second driven gear 23 → selection gear three 24 → second shaft gear 26 → normally meshed gear 9 → low drive gear 11 → low driven gear 29 → selection gear five 30 → auxiliary transmission driven gear 32 → first creep gear driven gear 13 → second creep gear driven gear 14 → creep gear driven gear 34 → creep gear sleeve 33 → small bevel gear shaft
→ differential → final drive assembly F.
26. Gear ii forward gear (Lo-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
27. Gear iii forward (Lo-low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second subtransmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
28. IV gear forward (Lo-Low): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the second subtransmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
29. Gear i forward gear (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first gear drive gear 8 → the first gear driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second range driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
30. Gear ii forward (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second range driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the pinion shaft → the differential → the final drive assembly F.
31. Gear iii forward (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear 2 press → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second range driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
32. IV gear forward gear (Lo-Slow): the input shaft 01 → the first selection mechanism 1A → the first forward drive gear (2) press → the second constant mesh gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the constant mesh gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the second variable driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
Reverse gear transmission route:
transmission line of hanging crawling device
1. Gear i reverse (Lo-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven gear 32 → the creep gear driven gear one 13 → the creep gear driven gear two 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small cone gear shaft → the differential → the final drive assembly F.
2. Gear ii reverse (Lo-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven shaft (32) → the creep gear driven gear one 13 → the creep gear driven gear two 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small cone gear shaft → the differential → the final drive assembly F.
3. Gear iii reverse (Lo-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small cone gear shaft → the differential → the final drive assembly F.
4. IV gear reverse (Lo-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small cone gear shaft → the differential → the final drive assembly F.
5. Gear i reverse (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
6. Gear ii reverse (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
7. Gear iii reverse (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
8. IV gear reverse gear (Lo-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
9. Gear i reverse (Lo-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
10. Gear ii reverse (Lo-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the selection mechanism five 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
11. Gear iii reverse (Lo-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
12. IV gear reverse (Lo-Low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
13. Gear i reverse (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
14. Gear ii reverse (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
15. Gear iii reverse (Lo-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
16. IV gear reverse (Lo-Slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
17. Gear i reverse (Hi-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven gear 32 → the creep gear driven gear one 13 → the creep gear driven gear two 14 → the creep gear driven gear 34 → the creep gear meshing sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
18. Gear ii reverse (Hi-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
19. Gear iii reverse (Hi-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
20. Iv gear reverse (Hi-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
21. Gear i reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
22. Gear ii reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
23. Gear iii reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep drive sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
24. Iv gear reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
25. Gear i reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first drive gear 8 → the first driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
26. Gear ii reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the selection mechanism five 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
27. Gear iii reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep drive gear 13 → the second creep drive gear 14 → the creep drive gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
28. Iv reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
29. Gear i reverse (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the third selection mechanism 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
30. Gear ii reverse (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
31. Gear iii reverse (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
32. Iv gear reverse (Hi-slow): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse idler gear 15 → the second reverse idler gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the fourth selection mechanism 27 → the sub-transmission driven gear 32 → the first creep gear driven gear 13 → the second creep gear driven gear 14 → the creep gear driven gear 34 → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
(II) transmission route of unhooking crawling device
1. Gear i reverse (Lo-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first drive gear 8 → the first driven gear 25 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
2. Gear ii reverse (Lo-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
3. Gear iii reverse (Lo-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
4. IV gear reverse (Lo-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
5. Gear i reverse (Lo-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle gear drive gear 12 → the middle gear driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
6. Gear ii reverse (Lo-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
7. Gear iii reverse (Lo-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the selection mechanism two 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
8. IV gear reverse gear (Lo-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse intermediate gear one 15 → the reverse intermediate gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the selection mechanism two 21 → the biaxial gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
9. Gear i reverse (Lo-low): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low gear drive gear 11 → the low gear driven gear 29 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
10. Gear ii reverse (Lo-low): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
11. Gear iii reverse (Lo-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
12. IV gear reverse (Lo-Low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
13. Gear i reverse (Lo-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
14. Gear ii reverse (Lo-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
15. Gear iii reverse (Lo-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the third drive gear 6 → the third driven gear 22 → the selection mechanism two 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
16. IV gear reverse (Lo-Slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse intermediate gear one 15 → the reverse intermediate gear two 17 → the normally meshed gear shaft two 16 → the Lo clutch B → the Lo drive gear 18 → the Lo driven gear 3 → the fourth drive gear 5 → the fourth driven gear 20 → the selection mechanism two 21 → the biaxial gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
17. Gear i reverse (Hi-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
18. Gear ii reverse (Hi-high): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
19. Gear iii reverse (Hi-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
20. Iv gear reverse (Hi-high): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft → the fourth selection mechanism 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
21. Gear i reverse (Hi-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small cone gear shaft → the differential → the final drive assembly F.
22. Gear ii reverse (Hi-medium speed): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
23. Gear iii reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
24. Iv gear reverse (Hi-medium speed): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the reverse intermediate gear 17 → the normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the middle drive gear 12 → the middle driven gear 31 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
25. Gear i reverse (Hi-low): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low gear drive gear 11 → the low gear driven gear 29 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
26. Gear ii reverse (Hi-low): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the selection mechanism five 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
27. Gear iii reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
28. Iv reverse (Hi-low): the input shaft 01 → the first selection mechanism 1A → the reverse drive gear 1 → the first reverse intermediate gear 15 → the second reverse intermediate gear 17 → the second normally meshed gear shaft 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the second selection mechanism 21 → the second shaft gear 26 → the normally meshed gear 9 → the low drive gear 11 → the low driven gear 29 → the fifth selection mechanism 30 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
29. Gear i reverse (Hi-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the first gear drive gear 8 → the first gear driven gear 25 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
30. Gear ii reverse (Hi-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the second drive gear 7 → the second driven gear 23 → the selection mechanism three 24 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
31. Gear iii reverse (Hi-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse idler gear one 15 → the reverse idler gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the third drive gear 6 → the third driven gear 22 → the selection mechanism two 21 → the second shaft gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
32. Iv gear reverse (Hi-slow): the input shaft 01 → the selection mechanism one 1A → the reverse drive gear 1 → the reverse intermediate gear one 15 → the reverse intermediate gear two 17 → the normally meshed gear shaft two 16 → the Hi clutch C → the Hi drive gear 19 → the Hi driven gear 4 → the fourth drive gear 5 → the fourth driven gear 20 → the selection mechanism two 21 → the biaxial gear 26 → the normally meshed gear 9 → the slow drive gear 10 → the slow driven gear 28 → the selection mechanism four 27 → the sub-transmission driven shaft → the creep gear sleeve 33 → the small bevel gear shaft → the differential → the final drive assembly F.
In another embodiment of the present invention, as shown in fig. 1, a tractor comprises: fuselage and the tractor variable speed system of any one of the above-mentioned embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A tractor transmission system, comprising:
the reversing assembly, the main transmission assembly, the auxiliary transmission assembly and the creeper gear assembly are sequentially arranged;
the reversing assembly comprises an input shaft (01) and a reverse intermediate shaft which are arranged in parallel; the input shaft (01) is sleeved with a reverse gear driving gear (1) and a forward gear driving gear (2) in an empty mode, and a first selection mechanism (1A) which can be selectively connected with the reverse gear driving gear (1) or the forward gear driving gear (2) is fixedly arranged on the input shaft (01); the reverse counter shaft is fixedly provided with a reverse intermediate gear I (15) and a reverse intermediate gear II (17); the first reverse intermediate gear (15) is meshed with the reverse driving gear (1);
the main transmission assembly comprises a Lo clutch (B), a Hi clutch (C) and a plurality of main transmission paths, wherein any main transmission path can be in transmission connection with the Lo clutch (B) or the Hi clutch (C) respectively; the Lo clutch (B) is selectively in transmission connection with the forward driving gear (2) or the reverse intermediate gear II (17); the Hi clutch (C) is selectively in transmission connection with the forward driving gear (2) or the reverse intermediate gear II (17);
the auxiliary transmission assembly is provided with a plurality of auxiliary transmission paths;
any of said main transmission paths is selectively drivingly connected to any of said auxiliary transmission paths; any main speed change transmission path is in transmission connection with any auxiliary speed change transmission path and then can be selectively in transmission connection with the creeper gear assembly.
2. The tractor transmission system of claim 1, wherein:
the main speed change assembly comprises high-low gear spline shafts, a constant mesh gear shaft II (16), a first shaft and a second shaft which are arranged in parallel; the high-low gear spline shaft is in transmission connection with the shaft;
the high-low gear spline shaft is sleeved with a Lo driven gear (3) and a Hi driven gear (4) in an empty manner;
the second constant meshed gear shaft (16) is provided with the Lo clutch (B) and the Hi clutch (C); a Lo driving gear (18) is sleeved on the normally meshed gear shaft II (16) corresponding to the Lo clutch (B) in an empty mode, and the Lo driving gear (18) is meshed with the Lo driven gear (3); a Hi driving gear (19) is sleeved on the normally meshed gear shaft II (16) corresponding to the Hi clutch (C) in an empty mode, and the Hi driving gear (19) is meshed with the Hi driven gear (4);
the shaft is fixedly provided with N driving gears, wherein the nth driving gear is an N-gear driving gear; the two shafts are sleeved with N driven gears; the nth driven gear is an n-gear driven gear; the two shafts are fixedly provided with a selection mechanism which can be selectively connected with the n-gear driven gear or the (n-1) -gear driven gear, and each driven gear is correspondingly provided with one selection mechanism; the N-gear driving gears and the N-gear driven gears are correspondingly meshed and connected one by one to form N main transmission paths; wherein N, N are positive integers greater than 1, and N is less than or equal to N.
3. The tractor transmission system of claim 2, wherein:
the first shaft is sleeved with a fourth-gear driving gear (5), a third-gear driving gear (6), a second-gear driving gear (7) and a first-gear driving gear (8);
the two-shaft hollow sleeve is provided with a four-gear driven gear (20), a three-gear driven gear (22), a two-gear driven gear (23) and a first-gear driven gear (25); a second selection mechanism (21) selectively connected with the fourth-gear driven gear (20) or the third-gear driven gear (22) and a third selection mechanism (24) selectively connected with the second-gear driven gear (23) or the first-gear driven gear (25) are fixedly arranged on the second shaft;
the four-gear driving gear (5) is meshed and connected with the four-gear driven gear (20) to form a main transmission path;
the third-gear driving gear (6) is meshed and connected with the third-gear driven gear (22) to form a main transmission path;
the second-gear driving gear (7) is meshed and connected with the second-gear driven gear (23) to form a main transmission path;
the first-gear driving gear (8) and the first-gear driven gear (25) are meshed and connected to form a main transmission path.
4. The tractor transmission system of claim 2, wherein:
the selection mechanism adopts a synchronizer or an engagement sleeve.
5. The tractor transmission system of claim 2, wherein:
and a second normally meshed gear shaft (16) is fixedly provided with an intermediate gear, and the intermediate gear is respectively meshed and connected with the forward gear driving gear (2) and the second reverse gear intermediate gear (17).
6. The tractor transmission system according to any one of claims 2 to 5, characterized in that:
the auxiliary transmission assembly comprises a first normally-meshed gear shaft and an auxiliary transmission driven shaft;
the first normally meshed gear shaft is sleeved with a normally meshed gear (9), a slow-gear driving gear (10), a low-gear driving gear (11) and a middle-gear driving gear (12) in an empty mode;
a two-shaft gear (26) is fixedly arranged on the two shafts;
the auxiliary variable-speed driven shaft is sleeved with a slow-gear driven gear (28), a low-gear driven gear (29) and a medium-gear driven gear (31) in an empty manner; a fourth selection mechanism (27) selectively connected with the second shaft gear (26) or the slow-gear driven gear (28) and a fifth selection mechanism (30) selectively connected with the low-gear driven gear (29) or the medium-gear driven gear (31) are fixedly arranged on the three shaft;
the constant mesh gear (9) is meshed and connected with the double-shaft gear (26) to form a pair of variable speed transmission paths;
the slow gear driving gear (10) is meshed with the slow gear driven gear (28) to form a pair of variable speed transmission paths;
the low-gear driving gear (11) is meshed with the low-gear driven gear (29) to form a pair of speed change transmission paths;
the middle gear driving gear (12) is meshed and connected with the middle gear driven gear (31) to form a pair of speed change transmission paths.
7. The tractor transmission system of claim 6, wherein:
the crawling gear assembly comprises a crawling gear shaft and a small bevel gear shaft;
the crawling gear shaft is sleeved with a crawling gear driven gear I (13) and a crawling gear driven gear II (14) in a hollow manner;
an auxiliary transmission driven gear (32) is fixedly arranged on the auxiliary transmission driven shaft, and the auxiliary transmission driven gear (32) is meshed with the crawling gear driven gear I (13);
the small bevel gear shaft is fixedly provided with a crawling gear meshing sleeve (33); the small bevel gear shaft is sleeved with a crawling gear driven gear (34) in an empty mode, and the crawling gear driven gear (34) is meshed with the crawling gear driven gear II (14); the creep gear engaging sleeve (33) is selectively connected with the auxiliary transmission driven gear (32) or the creep gear driven gear (34).
8. The tractor transmission system of claim 7, wherein:
the small bevel gear shaft is in transmission connection with a differential mechanism; the differential is in driving connection with the final drive assembly.
9. The tractor transmission system of claim 7, wherein:
and the small bevel gear shaft is in transmission connection with the transfer case assembly.
10. A tractor, comprising:
a fuselage and a tractor transmission system as claimed in any one of the preceding claims 1 to 9.
CN201911318707.6A 2019-12-19 2019-12-19 Tractor speed change system and tractor Pending CN110925366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911318707.6A CN110925366A (en) 2019-12-19 2019-12-19 Tractor speed change system and tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911318707.6A CN110925366A (en) 2019-12-19 2019-12-19 Tractor speed change system and tractor

Publications (1)

Publication Number Publication Date
CN110925366A true CN110925366A (en) 2020-03-27

Family

ID=69863315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911318707.6A Pending CN110925366A (en) 2019-12-19 2019-12-19 Tractor speed change system and tractor

Country Status (1)

Country Link
CN (1) CN110925366A (en)

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