CN110939696B - Power reversing speed change assembly and high-low gear reversing system - Google Patents

Power reversing speed change assembly and high-low gear reversing system Download PDF

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Publication number
CN110939696B
CN110939696B CN201911318679.8A CN201911318679A CN110939696B CN 110939696 B CN110939696 B CN 110939696B CN 201911318679 A CN201911318679 A CN 201911318679A CN 110939696 B CN110939696 B CN 110939696B
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CN
China
Prior art keywords
gear
shaft
driven
driving
crawling
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Active
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CN201911318679.8A
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Chinese (zh)
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CN110939696A (en
Inventor
修永海
谢太林
郭华
李训
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Jiangsu Changfa Agricultural Equipment Co Ltd
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Jiangsu Changfa Agricultural Equipment Co Ltd
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Classifications

    • 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
    • F16H3/083—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 with radially acting and axially controlled clutching members, e.g. sliding keys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • 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
    • F16H37/0833—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 with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • 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
    • 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
    • F16H2003/0818—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 comprising means for power-shifting
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a power reversing speed change assembly and a high-low gear reversing system, wherein the power reversing speed change assembly comprises: the main clutch shaft is fixedly provided with a reverse clutch and a forward driving gear; the main clutch shaft is sleeved with a reverse gear driving gear in a hollow mode; the high-low gear spline shaft is fixedly provided with a Lo driven gear and a Hi driven gear; the second constant-mesh gear shaft is fixedly provided with a second constant-mesh gear, a Lo clutch and a Hi clutch; the second hollow sleeve of the constant-meshed gear shaft is provided with a Lo driving gear and a Hi driving gear; the constant meshed gear II is meshed with the forward gear driving gear; the Lo driving gear is in meshed connection with the Lo driven gear; the Hi driving gear is meshed with the Hi driven 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 in meshed connection with the reverse driving gear; and the second reverse gear intermediate gear is in meshed connection with the Lo driving gear. The invention reduces the operation intensity of a driver and improves the operation comfort and the operation efficiency.

Description

Power reversing speed change assembly and high-low gear reversing system
Technical Field
The invention relates to the technical field of transmission, in particular to a power reversing speed change assembly and a high-low gear reversing system.
Background
At present, gear shifting of a domestic tractor drive line mainly adopts a meshing sleeve or a synchronizer, and reversing mainly adopts a sliding gear, the meshing sleeve or the synchronizer. When shifting and reversing, the main clutch is required to be separated, the power transmission of the tractor is cut off, and then the shifting and reversing operation is carried out through the operating lever. The method is simple and reliable, and the manufacturing cost is low. However, the labor intensity of the driver is relatively high in frequent operation, the reverse gear number is small, and the operation requirement of the driver cannot be well met. Therefore, those skilled in the art have needed to provide a transmission system that is easy to operate and has a large number of reverse gears to meet the wide range of tractor speeds.
Disclosure of Invention
In order to simplify the operation of a driver, reduce the operation workload of the driver and meet the wide speed requirement of a tractor, the invention provides a power reversing speed change assembly and a high-low gear reversing system, which provide 64 forward gears and 32 backward gears for the tractor and 96 gears for freeing the hands of the driver and reducing the operation labor intensity of the driver, provide more power output rotating speed combinations and can conveniently realize four-wheel drive. The whole design structure is compact, the transmission efficiency is high, and the speed arrangement is reasonable.
The technical scheme provided by the invention is as follows:
a power reversing speed change assembly comprising: a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft; the main clutch shaft is fixedly provided with a reverse clutch and a forward driving gear; the main clutch shaft is sleeved with a reverse gear driving gear corresponding to the reverse gear clutch; the high-low gear spline shaft is fixedly provided with a Lo driven gear and a Hi driven gear; the high-low gear spline shaft and the main clutch shaft are coaxially arranged; the constant-meshed gear shaft II is fixedly provided with a constant-meshed gear II, a Lo clutch and a Hi clutch; the second constant-mesh gear shaft is sleeved with a Lo driving gear corresponding to the Lo clutch, and the second constant-mesh gear shaft is sleeved with a Hi driving gear corresponding to the Hi clutch; the constant meshed gear II is in meshed connection with the forward driving gear; the Lo driving gear is in meshed connection with the Lo driven gear; the Hi driving gear is in meshed connection with the Hi driven 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 in meshed connection with the reverse driving gear; and the second reverse gear intermediate gear is in meshed connection with the Lo driving gear.
In the technical scheme, the high-low gear is switched by the Lo clutch and the Hi clutch in the forward gear of the tractor, so that the switching gear of the speed change can be doubled; the reverse gear of the tractor is driven by the reverse gear clutch, so that the speed switching quantity of the forward gear of the tractor is different from that of the reverse gear, the speed switching quantity of the forward gear is twice that of the reverse gear, and the tractor with different requirements on the forward gear and the reverse gear is met. And the whole design structure is compact, the transmission efficiency is high, and the speed arrangement is reasonable. Meanwhile, the power reversing speed change assembly is arranged at the front end of the main speed change assembly, the number of reverse gears is increased, and the speed range is wider. In practical application, when the tractor encounters the condition of large cultivation resistance change in the operation process, the high-grade and low-grade 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.
The invention also provides a high-low grade reversing system, which comprises: the device comprises a power reversing speed changing assembly, a main speed changing assembly, a secondary speed changing assembly and a crawling gear assembly; the power reversing speed change assembly comprises a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft; the main clutch shaft is fixedly provided with a reverse clutch and a forward driving gear; the main clutch shaft is sleeved with a reverse gear driving gear corresponding to the reverse gear clutch; the high-low gear spline shaft is fixedly provided with a Lo driven gear and a Hi driven gear; the high-low gear spline shaft and the main clutch shaft are coaxially arranged; the constant-meshed gear shaft II is fixedly provided with a constant-meshed gear II, a Lo clutch and a Hi clutch; the second constant-mesh gear shaft is sleeved with a Lo driving gear corresponding to the Lo clutch, and the second constant-mesh gear shaft is sleeved with a Hi driving gear corresponding to the Hi clutch; the constant meshed gear II is in meshed connection with the forward driving gear; the Lo driving gear is in meshed connection with the Lo driven gear; the Hi driving gear is in meshed connection with the Hi driven 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 in meshed connection with the reverse driving gear; the second reverse gear intermediate gear is in meshed connection with the Lo driving gear; the main speed change assembly comprises four main speed change transmission paths; the secondary transmission assembly comprises four secondary transmission paths; any one of the main variable transmission paths can be respectively connected with the reverse gear clutch, the Lo clutch or the Hi clutch in a transmission way; any one of the primary variable speed drive paths is selectively drivingly connected with any one of the secondary variable speed drive paths; any one of the main variable speed transmission paths is in transmission connection with any one of the auxiliary variable speed transmission paths and then can be selectively in transmission connection with the crawling gear assembly.
In the technical scheme, the combination of the main variable speed transmission paths and the auxiliary variable speed transmission paths can form twice transmission paths, each transmission path can be connected with the crawling gear assembly or connected with the final transmission assembly to realize four times transmission paths, and the reverse gear clutch, the Lo clutch or the Hi clutch can realize any transmission path connection, so that the tractor has four times of speed switching of the forward gear and twice of speed switching of the backward gear, the speed switching quantity of the forward gear of the tractor is different from the speed switching quantity of the backward gear, the speed switching quantity of the forward gear is twice of the switching quantity of the backward gear, and the tractor with different requirements on the forward gear and the backward gear is met. In practical application, the clutch is an electrohydraulic control wet multi-plate clutch, and the change of the running direction of the tractor can be realized through the reversing handle, 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. And the whole design structure is compact, the transmission efficiency is high, and the speed arrangement is reasonable.
Further, the main speed change assembly comprises a first shaft and a second shaft which are arranged in parallel, and the first shaft is in transmission connection with the high-low gear spline shaft; the N driving gears are fixedly arranged on the shaft, wherein the nth driving gear is an N-gear driving gear; the two shafts are sleeved with N driven gears in a hollow mode; 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 in one-to-one corresponding meshing connection to form N main variable speed transmission paths; wherein N, N is a positive integer greater than 1, and N is less than or equal to N.
Further, the main speed change assembly comprises a first shaft and a second shaft which are arranged in parallel, and the first shaft is in transmission connection with the high-low gear spline shaft; the first shaft is fixedly provided with a four-gear driving gear, a three-gear driving gear, a two-gear driving gear and a first-gear driving gear; 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 in a hollow mode; the second shaft is fixedly provided with a first selection mechanism which can be selectively connected with the fourth-gear driven gear or the third-gear driven gear and a second selection mechanism which can be selectively connected with the second-gear driven gear or the first-gear driven gear; the four-gear driving gear is meshed with the four-gear driven gear to form a main variable-speed transmission path; the third-gear driving gear is meshed with the third-gear driven gear to form a main variable-speed transmission path; the second-gear driving gear is meshed with the second-gear driven gear to form a main variable-speed transmission path; the first-gear driving gear and the first-gear driven gear are meshed and connected to form a main variable transmission path.
In the technical scheme, the combination of the four main speed change transmission paths and the four auxiliary speed change transmission paths can form sixteen transmission paths, sixteen transmission paths can be connected with the crawling gear assembly or connected with the final transmission assembly to realize thirty-two transmission paths, and the reverse gear clutch, the Lo clutch or the Hi clutch can realize the thirty-two transmission paths, so that the tractor has sixty four forward gears and 32 reverse gears, the speed switching quantity of the forward gears of the tractor is different from the speed switching quantity of the reverse gears, the speed switching quantity of the forward gears is twice the switching quantity of the reverse gears, and the tractor with different requirements on the forward gears and the reverse gears is met. In practical application, the clutch is an electrohydraulic control wet multi-plate clutch, and the change of the running direction of the tractor can be realized through the reversing handle, 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. And the whole design structure is compact, the transmission efficiency is high, and the speed arrangement is reasonable.
Further, the auxiliary speed change assembly comprises a constant-meshed gear shaft I and an auxiliary speed change driven shaft; the constant-meshed gear shaft I is fixedly provided with a constant-meshed gear I, a slow-gear driving gear, a low-gear driving gear and a middle-gear driving gear; the two shafts are fixedly provided with two-shaft gears; the auxiliary speed change driven shaft is sleeved with a slow-gear driven gear, a low-gear driven gear and a middle-gear driven gear in an empty mode; the second shaft is fixedly provided with a third selection mechanism which can be selectively connected with the second shaft gear or the slow-gear driven gear and a fourth selection mechanism which can be selectively connected with the low-gear driven gear or the medium-gear driven gear; the constant meshed gear I is meshed with the two-shaft gear to form a pair of variable speed transmission paths; the slow-speed driving gear is meshed with the slow-speed driven gear to form a pair of variable-speed transmission paths; the low-gear driving gear is meshed with the low-gear driven gear to form a pair of variable-speed transmission paths; the middle driving gear and the middle driven gear are meshed and connected to form a pair of variable speed transmission paths.
Further, the crawling gear assembly comprises a crawling gear shaft and a small bevel gear shaft; the crawling gear shaft is fixedly provided with a crawling gear driven gear I and a crawling gear driven gear II; the auxiliary speed change driven shaft is fixedly provided with an auxiliary speed change driven gear which is meshed with the first crawling speed driven gear; 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 a hollow mode, and the crawling gear driven gear is connected with the crawling gear driven gear II in a meshed mode; the crawling gear meshing sleeve is selectively connected with the auxiliary speed change driven gear or the crawling gear driven gear.
Further, the pinion shaft is in transmission connection with a differential mechanism; the differential is in driving connection with the final drive assembly.
Further, the pinion shaft is in driving connection with the transfer case assembly.
Compared with the prior art, the power reversing speed change assembly and the high-low gear reversing system have the beneficial effects that:
(1) The invention realizes 96 gears of 64 forward gears and 32 reverse gears of the tractor by more compact space arrangement, and simultaneously has various power output rotation speed combinations, thereby being convenient for realizing four-wheel drive; and the whole speed change system has compact structure, high transmission efficiency and reasonable speed arrangement. Meanwhile, the power reversing speed change assembly is arranged at the front end of the main speed change assembly, the number of reverse gears is increased, and the speed range is wider. In practical application, when the tractor encounters the condition of large cultivation resistance change in the operation process, the high-grade and low-grade 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. In practical application, the clutch is an electrohydraulic control wet multi-plate clutch, and the change of the running direction of the tractor can be realized through the reversing handle, 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, the transmission paths among the assemblies (the power reversing speed change assembly, the main speed change assembly, the auxiliary speed change assembly and the crawling gear assembly) are greatly simplified by arranging a certain transmission part of one assembly on a certain part of the other assembly (for example, a two-shaft gear of the auxiliary speed change assembly is arranged on a two-shaft of the main speed change assembly, and a auxiliary speed change driven gear of the crawling gear assembly is arranged on a constant meshed gear shaft and the like), so that the structural compactness and the transmission efficiency of the speed change system are further improved.
Drawings
The above features, technical features, advantages and implementation manners of a power reversing gear assembly and a high-low reversing system will be further described in the following description of the preferred embodiments with reference to the accompanying drawings in a clearly understandable manner.
FIG. 1 is a schematic structural view of an embodiment of a power reversing shift assembly of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the high-low gear reversing system of the present invention.
Reference numerals illustrate:
01. torsional vibration damper, 1. Reverse drive gear, 2. Forward drive gear, 3.Lo drive gear, 4.Hi drive gear, 5. Fourth drive gear, 6. Third drive gear, 7. Second drive gear, 8. First drive gear, 9. Normally meshed gear, 10. Slow drive gear, 11. Low drive gear, 12. Medium drive gear, 13. Creep driven gear, 14. Creep driven gear, 15. Reverse intermediate gear, 16. Normally meshed gear, 17. Reverse intermediate gear, 18.Lo drive gear, 19.Hi drive gear, 20. Fourth drive gear, 21. Selection mechanism, 22. Third drive gear, 23. Second drive gear, 24. Selection mechanism, 25. First drive gear, 26. Two shaft gear, 27. Selection mechanism, 28. Slow drive gear, 29. Low drive gear, 30. Selection mechanism, 31. Medium drive gear, 32. Auxiliary drive gear, 33. Creep sleeve, 34. Lo drive gear, A. Transmission assembly, D. Transmission assembly, and D. Transmission assembly.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, 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 should 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 of the drawing, the parts relevant to the present application are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case. In this context, it should be noted that the terms "mounted," "connected," and "affixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In one embodiment of the present application, as shown in FIG. 1, a power reversing shift assembly includes: a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft; the main clutch shaft is fixedly provided with a reverse clutch A and a forward driving gear 2; the main clutch shaft is sleeved with a reverse gear driving gear 1 corresponding to the reverse gear clutch A; the high-low gear spline shaft is fixedly provided with a Lo driven gear 3 and a Hi driven gear 4; the high-low gear spline shaft and the main clutch shaft are coaxially arranged; the second constant-mesh gear shaft is fixedly provided with a second constant-mesh gear 16, a Lo clutch B and a Hi clutch C; the Lo driving gear 18 is sleeved on the second constant-meshed gear shaft corresponding to the Lo clutch B, and the Hi driving gear 19 is sleeved on the second constant-meshed gear shaft corresponding to the Hi clutch C; the constant meshed gear II 16 is meshed with the forward driving gear 2; the Lo driving gear 18 is in meshed connection with the Lo driven gear 3; the Hi driving gear 19 is in meshed connection with the Hi driven gear 4; 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 in meshed connection with the reverse driving gear 1; the second reverse intermediate gear 17 is in meshed connection with the Lo driving gear 18. Preferably, the main clutch shaft is fixedly provided with a torsional damper 01. In practice, the main clutch shaft is in driving connection with the power take-off assembly E.
In another embodiment of the present invention, on the basis of the above embodiment, bearings are respectively sleeved at two ends of the main clutch shaft, the high-low gear spline shaft, the constant-meshed gear shaft two and the reverse gear intermediate shaft. The forward drive gear 2 and the main clutch shaft may be integrally formed or fixed by splines (or bolts). The first reverse intermediate gear 15 and the second reverse intermediate gear 17 are fixed to the reverse intermediate shaft by splines (or bolts). The Lo driven gear 3 and the Hi driven gear 4 are integrally formed or connected by a connecting assembly to form a unitary structure. The specific transmission route is as follows:
first) transmission path of forward gear
1) Low gear is hung: torsional damper 01- & gt a main clutch shaft- & gt a forward gear driving gear 2- & gt a constant mesh gear II 16- & gt a Lo clutch B- & gt a Lo driving gear 18- & gt a Lo driven gear 3- & gt a high and low gear spline shaft.
2) Hooking high grade: torsional damper 01- & gt a main clutch shaft- & gt a forward gear driving gear 2- & gt a constant mesh gear II 16- & gt a Hi clutch C- & gt a Hi driving gear 19- & gt a Hi driven gear 4- & gt a high and low gear spline shaft output.
Two) reverse gear transmission route
Torsional damper 01 → main clutch shaft → reverse clutch a → reverse driving gear 1 → reverse intermediate gear 15 → reverse intermediate gear 17 → Lo driving gear 18 → Lo driven gear 3 → high and low gear spline shaft output.
In another embodiment of the present invention, as shown in fig. 1 and 2, a high and low gear reversing system includes: the device comprises a power reversing speed changing assembly, a main speed changing assembly, a secondary speed changing assembly and a crawling gear assembly; the power reversing speed change assembly comprises a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft; the main clutch shaft is fixedly provided with a reverse clutch A and a forward driving gear 2; the main clutch shaft is sleeved with a reverse gear driving gear 1 corresponding to the reverse gear clutch A; the high-low gear spline shaft is fixedly provided with a Lo driven gear 3 and a Hi driven gear 4; the high-low gear spline shaft and the main clutch shaft are coaxially arranged; the second constant-mesh gear shaft is fixedly provided with a second constant-mesh gear 16, a Lo clutch B and a Hi clutch C; the Lo driving gear 18 is sleeved on the second constant-meshed gear shaft corresponding to the Lo clutch B, and the Hi driving gear 19 is sleeved on the second constant-meshed gear shaft corresponding to the Hi clutch C; the constant meshed gear II 16 is meshed with the forward driving gear 2; the Lo driving gear 18 is in meshed connection with the Lo driven gear 3; the Hi driving gear 19 is in meshed connection with the Hi driven gear 4; 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 in meshed connection with the reverse driving gear 1; the second reverse gear intermediate gear 17 is in meshed connection with the Lo driving gear 18; the main speed change assembly comprises four main speed change transmission paths; the secondary speed change assembly comprises four secondary speed change transmission paths; any main variable speed transmission path can be respectively connected with a reverse gear clutch A, lo clutch B or a Hi clutch C in a transmission way; any one of the primary variable speed transmission paths is selectively in driving connection with any one of the secondary variable speed transmission paths; 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 crawling gear assembly. Preferably, the main speed change assembly comprises a first shaft and a second shaft which are arranged in parallel, and the first shaft is in transmission connection with the high-low gear spline shaft; 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 in a hollow mode; 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 the (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 in one-to-one corresponding meshing connection to form N main variable transmission paths; wherein N, N is a positive integer greater than 1, and N is less than or equal to N. It should be noted that, when a selection mechanism is provided 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 provided between the (N-2) gear driven gear and the (N-3) gear driven gear, at this time, N, N is a positive integer greater than 3, and N is less than or equal to N.
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 fixedly arranged on the first shaft; 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; the second shaft is fixedly provided with a first selection mechanism 21 which can be selectively connected with a fourth-gear driven gear 20 or a third-gear driven gear 22 and a second selection mechanism 24 which can be selectively connected with a second-gear driven gear 23 or a first-gear driven gear 25; the fourth-gear driving gear 5 is meshed with the fourth-gear driven gear 20 to form a main variable-speed transmission path; the third-gear driving gear 6 is meshed with the third-gear driven gear 22 to form a main variable-speed transmission path; the second-gear driving gear 7 is meshed with the second-gear driven gear 23 to form a main variable-speed transmission path; the first gear driving gear 8 is meshed with the first gear driven gear 25 to form a main variable speed transmission path; the auxiliary speed change assembly comprises a constant-meshed gear shaft I and an auxiliary speed change driven shaft; the constant-meshed gear shaft I is fixedly provided with a constant-meshed gear I9, a slow-gear driving gear 10, a low-gear driving gear 11 and a middle-gear driving gear 12; a two-axis gear 26 is fixedly arranged on the two axes; the auxiliary speed change driven shaft is sleeved with a slow-gear driven gear 28, a low-gear driven gear 29 and a middle-gear driven gear 31; a third selecting mechanism 27 which can be selectively connected with the two-shaft gear 26 or the slow-gear driven gear 28 and a fourth selecting mechanism 30 which can be selectively connected with the low-gear driven gear 29 or the medium-gear driven gear 31 are fixedly arranged on the two shafts; the constant meshed gear I9 is meshed with the two-shaft gear 26 to form a pair of variable speed transmission paths; the slow-speed driving gear 10 is meshed with the slow-speed 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 variable-speed transmission paths; the middle drive gear 12 is meshed with the middle driven gear 31 to form a pair of variable speed transmission paths; the crawling gear assembly comprises a crawling gear shaft and a small bevel gear shaft; the crawling gear shaft is fixedly provided with a crawling gear driven gear I13 and a crawling gear driven gear II 14; the auxiliary speed change driven shaft is fixedly provided with an auxiliary speed change driven gear 32, and the auxiliary speed change driven gear 32 is in meshed connection with the first crawling speed driven gear 13; the small conical 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 a hollow mode, and the crawling gear driven gear 34 is connected with the crawling gear driven gear II 14 in a meshed mode; the crawling gear meshing sleeve 33 is selectively connected with the auxiliary speed change driven gear 32 or the crawling gear driven gear 34; the small bevel gear shaft is in transmission connection with a differential mechanism; the differential mechanism is in transmission connection with the final transmission assembly F; the small bevel gear shaft is in transmission connection with the transfer case assembly D. Preferably, the clutch further comprises a power output assembly E, and the power output assembly E is in transmission connection with the main clutch shaft. Preferably, the main clutch shaft is fixedly provided with a torsional damper 01. In practice, the main clutch shaft is in driving connection with the power take-off assembly E. In practical application, a driver can change the running speed of the tractor through a high-low gear operating button (a reverse gear clutch A, lo clutch B and a Hi clutch C), so that the working efficiency is improved, the operating strength of the driver is reduced, and the operating comfort is improved. Preferably, the selection mechanisms (selection mechanism one 21, selection mechanism two 24, selection mechanism three 27, selection mechanism four 30) are synchronizers, although the selection mechanisms may be engagement sleeves.
In another embodiment of the present invention, as shown in fig. 2, unlike the above embodiment, in which a certain transmission component of one assembly is not disposed on a certain component of another assembly (e.g., the two-shaft gear 26 of the auxiliary transmission assembly is disposed on the two shafts of the main transmission assembly, the auxiliary transmission driven gear 32 of the crawling gear assembly is disposed on the constant meshed gear shaft, etc.), the two assemblies in transmission connection can also be in transmission connection through a gear pair, so that the component of each assembly is not disposed on a certain component of the other assembly. But should also fall within the scope of the present invention.
In another embodiment of the present invention, as shown in fig. 2, on the basis of the above embodiment, the high-low gear spline shaft and a shaft are connected through a spline structure, specifically, the high-low gear spline shaft and the shaft are coaxially arranged, and a bearing is sleeved at the end part of the high-low gear spline shaft, which is close to one side of the shaft, and 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 and low gear spline shafts may be directly connected to a shaft by a spline structure. The high-low gear spline shaft and a shaft can be the same shaft. Further, the main clutch shaft is disposed coaxially with the high and low gear spline shaft. Further, the high-low gear spline shaft, the Lo driven gear and the Hi driven gear can be integrally formed or connected through a connecting component to form an integral structure; the first shaft and the fourth gear driving gear 5, the third gear driving gear 6, the second gear driving gear 7 and the first gear driving gear 8 can be integrally formed or connected through a connecting component to form an integral structure. Further, bearings are respectively sleeved at two ends of the main clutch shaft, the reverse gear intermediate shaft, the high-low gear spline shaft, the first shaft, the constant-meshed gear shaft II, the second shaft, the constant-meshed gear shaft I, the auxiliary variable-speed driven shaft, the crawling gear shaft and the small bevel gear shaft, so that 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 constant-meshed gear shaft and the crawling gear shaft are coaxially arranged; the constant-meshed gear shaft II, the two shafts, the auxiliary variable-speed driven shaft and the small bevel gear shaft are coaxially arranged; the whole transmission system can be realized by arranging three parallel shafting (a plurality of shafts coaxially arranged with the main clutch shaft, a plurality of shafts coaxially arranged with the constant-meshed gear shaft II and a reverse gear intermediate shaft), and has the advantages of compact structure, high transmission efficiency and convenience in operation.
As shown in fig. 2, the reversing assembly, the main speed changing assembly and the auxiliary speed changing assembly of the transmission system all adopt synchronizers, the crawling gear assembly adopts a gear shifting structure of a meshing sleeve, and the clutch (a reverse gear clutch A, lo clutch B, hi clutch C) is an electrohydraulic 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 connecting pieces to form an integral structure; the fourth gear driving gear 5, the third gear driving gear 6, the second 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 constant mesh 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 by connecting pieces to form an integral structure; the constant meshed gear shaft I and the constant 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 by connecting pieces to form an integral structure, and the second shaft gear 26 are of an integral structure or are connected by connecting pieces to form an integral structure; the constant meshed gear shaft I and the constant meshed gear 9 are of an integral structure or are connected by connecting pieces to form an integral structure; the high-low gear control button can realize the change of the running speed of the tractor, realize 64 forward gears and 32 reverse gears with more compact space steps, and 96 gears, simultaneously have various power output rotating speed combinations of 540/760/1000 rpm, and can conveniently realize four-wheel drive. The specific transmission path is as follows:
Forward gear transmission route:
transmission route without connecting crawling device
1. First gear forward (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal meshing gear II-the normal meshing gear shaft II-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism II 24-the two shafts, the selection mechanism III 27-the auxiliary speed changing driven shaft, the crawling gear meshing sleeve 33-the small bevel gear shaft, the differential mechanism and the final transmission assembly F.
2. Gear ii forward (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal meshing gear II-the normal meshing gear shaft II-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the second selection mechanism II 24-the second shaft, the third selection mechanism 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
3. Iii forward gear (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
4. IV forward gear (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second selection mechanism third 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
5. I-speed forward (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
6. Gear ii forward (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
7. Iii forward gear (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
8. IV forward gear (Lo-Medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
9. I range forward (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
10. Gear ii forward (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
11. Iii forward gear (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
12. IV forward (Lo-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
13. I range forward (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
14. Gear ii forward (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
15. Iii forward gear (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
16. IV forward gear (Lo-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
1. First gear forward (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal meshing gear II-the normal meshing gear shaft II-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism II 24-the two shafts, the selection mechanism III 27-the auxiliary speed changing driven shaft, the crawling gear meshing sleeve 33-the small bevel gear shaft, the differential mechanism and the final transmission assembly F.
2. Gear ii forward (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal meshing gear II-the normal meshing gear shaft II-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the second selection mechanism II 24-the second shaft, the third selection mechanism 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
3. Iii forward gear (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Lo driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
4. IV forward gear (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal meshing gear II-the normal meshing gear shaft II-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second selection mechanism 27-the auxiliary speed changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
5. I-speed forward (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
6. Gear ii forward (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
7. Iii forward gear (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
8. IV forward gear (Hi-Medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
9. I-speed forward (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
10. Gear ii forward (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
11. Iii forward gear (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
12. IV forward gear (Hi-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
13. I-speed forward (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
14. Gear ii forward (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
15. Iii forward gear (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
16. IV forward gear (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary variable speed driven shaft-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
The transmission route of the articulated crawling device
1. First gear forward (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the second selection mechanism second 24-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
2. Gear ii forward (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the second selection mechanism second 24-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
3. Iii forward gear (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the second selection mechanism second 24-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
4. IV forward gear (Hi-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the second selection mechanism second 24-the two shafts-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
5. I-speed forward (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
6. Gear ii forward (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
7. Iii forward gear (Hi-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi gear driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
8. IV forward gear (Hi-Medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi gear driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
9. I-speed forward (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
10. Gear ii forward (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
11. Iii forward gear (Hi-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi gear driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
12. IV forward gear (Hi-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi gear driving gear 19-the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
13. I-speed forward (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
14. Gear ii forward (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
15. Iii forward gear (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear 19-the Hi driven gear 4-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
16. IV forward gear (Hi-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Hi clutch C-the Hi driving gear (19), the Hi driven gear 4-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
1. First gear forward (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the second shaft-the selection mechanism third 27-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
2. Gear ii forward (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the second selection mechanism second 24-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
3. Iii forward gear (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
4. IV forward gear (Lo-high): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
5. I-speed forward (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
6. Gear ii forward (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
7. Iii forward gear (Lo-medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear 18-the Lo driven gear 3-the three-gear driving gear 6-the three-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
8. IV forward gear (Lo-Medium speed): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
9. I range forward (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
10. Gear ii forward (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
11. Iii forward gear (Lo-low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
12. IV forward (Lo-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normal gear first 9-the low gear driving gear 11-the low gear driven gear 29-the fourth selection mechanism 30-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
13. I range forward (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism second 24-the two-shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
14. Gear ii forward (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism second 24-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism third 27-the auxiliary speed change driven gear 32-the crawling gear driven gear first 13-the crawling gear driven gear second 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
15. Iii forward gear (Lo-slow): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear driving gear 18-the Lo driven gear 3-the third gear driving gear 6-the third gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
16. IV forward gear (Lo-Low): the main clutch shaft pressing-the forward gear driving gear 2-the normal gear second 16-the normal gear shaft second-the Lo clutch B-the Lo gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the second gear 26-the normal gear first 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential and the final transmission assembly F.
Reverse gear transmission route:
the transmission route of the articulated crawling device
1. Reverse gear i (high speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the second selection mechanism 24-the two shafts, the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
2. Reverse gear (high speed) gear ii: the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the second selection mechanism 24-the two shafts, the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
3. III reverse (high speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
4. IV reverse gear (high speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two shafts-the third selection mechanism 27-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
5. Reverse gear i (medium speed): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a first gear driving gear 8, a first gear driven gear 25, a selection mechanism 24, a two-shaft gear 26, a constant mesh gear 9, a middle gear driving gear 12, a middle gear driven gear 31, a selection mechanism 30, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
6. Reverse gear ii (medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism 24-the second shaft gear 26-the constant mesh gear 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small cone gear shaft-the differential mechanism and the final transmission assembly F.
7. III reverse (Medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the first constant-meshed gear 9-the middle-gear driving gear 12-the middle-gear driven gear 31-the fourth selection mechanism 30-the second auxiliary speed-changing driven gear 32-the first crawling-gear driven gear 13-the second crawling-gear driven gear 14-the crawling-gear driven gear 34-the crawling-gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
8. IV reverse (Medium speed): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a four-gear driving gear 5, a four-gear driven gear 20, a first selection mechanism 21, a two-shaft gear 26, a constant meshing gear 9, a middle gear driving gear 12, a middle gear driven gear 31, a fourth selection mechanism 30, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential and a final transmission assembly F.
9. Reverse gear i (low speed): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a first gear driving gear 8, a first gear driven gear 25, a selection mechanism 24, a two-shaft gear 26, a constant mesh gear 9, a low gear driving gear 11, a low gear driven gear 29, a selection mechanism 30, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
10. Reverse gear (low speed) gear ii: the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a second gear driving gear 7, a second gear driven gear 23, a selection mechanism 24, a two-shaft gear 26, a constant mesh gear 9, a low gear driving gear 11, a low gear driven gear 29, a selection mechanism 30, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
11. III reverse (Low): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the first constant-mesh gear 9-the low-gear driving gear 11-the low-gear driven gear 29-the fourth selection mechanism 30-the second auxiliary speed-change driven gear 32-the first crawling gear driven gear 13-the second crawling gear driven gear 14-the crawling gear driven gear 34-the crawling gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
12. IV reverse (Low): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a four-gear driving gear 5, a four-gear driven gear 20, a first selection mechanism 21, a two-shaft gear 26, a constant meshing gear 9, a middle gear driving gear 12, a middle gear driven gear 31, a fourth selection mechanism 30, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential and a final transmission assembly F.
13. Reverse gear i (slow): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a first gear driving gear 8, a first gear driven gear 25, a selection mechanism 24, a two-shaft gear 26, a constant mesh gear 9, a slow gear driving gear 10, a slow gear driven gear 28, a selection mechanism 27, a secondary speed change driven gear 32, a crawling gear driven gear 13, a crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
14. Reverse gear (slow speed) gear ii: the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a second gear driving gear 7, a second gear driven gear 23, a selection mechanism 24, a two-shaft gear 26, a constant mesh gear 9, a slow gear driving gear 10, a slow gear driven gear 28, a selection mechanism 27, a secondary speed change driven gear 32, a crawling gear driven gear 13, a crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
15. III reverse (slow): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the first constant-mesh gear 9-the slow-gear driving gear 10-the slow-gear driven gear 28-the third selection mechanism 27-the auxiliary speed-changing driven gear 32-the first crawling-gear driven gear 13-the second crawling-gear driven gear 14-the crawling-gear driven gear 34-the crawling-gear meshing sleeve 33-the small conical gear shaft-the differential mechanism and the final transmission assembly F.
16. IV reverse gear (slow): the clutch comprises a main clutch shaft pressing part, a reverse clutch A, a reverse driving gear 1, a reverse intermediate gear 15, a reverse intermediate gear 17, a Lo driving gear 18, a Lo driven gear 3, a four-gear driving gear 5, a four-gear driven gear 20, a first selection mechanism 21, a two-shaft gear 26, a first constant-mesh gear 9, a slow-gear driving gear 10, a slow-gear driven gear 28, a third selection mechanism 27, a secondary speed change driven gear 32, a first crawling gear driven gear 13, a second crawling gear driven gear 14, a crawling gear driven gear 34, a crawling gear meshing sleeve 33, a small conical gear shaft, a differential mechanism and a final transmission assembly F.
(II) Transmission route without connecting crawling device
1. Reverse gear i (high speed): the method comprises the steps of main clutch shaft pressing, reverse clutch A, reverse driving gear 1, reverse intermediate gear 15, reverse intermediate gear 17, lo driving gear 18, lo driven gear 3, first gear driving gear 8, first gear driven gear 25, selection mechanism 24, two shafts, selection mechanism 27, auxiliary speed change driven shaft (32), crawling gear meshing sleeve 33, small bevel gear shaft, differential mechanism and final transmission assembly F.
2. Reverse gear (high speed) gear ii: the method comprises the steps of main clutch shaft pressing, reverse clutch A, reverse driving gear 1, reverse intermediate gear 15, reverse intermediate gear 17, lo driving gear 18, lo driven gear 3, second gear driving gear 7, second gear driven gear 23, selection mechanism 24, two shafts, selection mechanism 27, auxiliary speed change driven shaft, crawling gear meshing sleeve 33, small bevel gear shaft, differential mechanism and final transmission assembly F.
3. III reverse (high speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft-the third selection mechanism 27-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
4. IV reverse gear (high speed): the method comprises the steps of main clutch shaft pressing, reverse clutch A, reverse driving gear 1, reverse intermediate gear 15, reverse intermediate gear 17, lo driving gear 18, lo driven gear 3, four-gear driving gear 5, four-gear driven gear 20, selection mechanism 21, two shafts, selection mechanism 27, auxiliary speed change driven shaft, crawling gear meshing sleeve 33, small bevel gear shaft, differential mechanism and final transmission assembly F.
5. Reverse gear i (medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism 24-the second shaft gear 26-the constant mesh gear 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
6. Reverse gear ii (medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism 24-the second shaft gear 26-the normally engaged gear 9-the middle gear driving gear 12-the middle gear driven gear 31-the selection mechanism fourth 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
7. III reverse (Medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the normally engaged gear 9-the middle-gear driving gear 12-the middle-gear driven gear 31-the fourth selection mechanism 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
8. IV reverse (Medium speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normally engaged gear 9-the middle gear driving gear 12-the middle gear driven gear 31-the fourth selection mechanism 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
9. Reverse gear i (low speed): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism 24-the two-shaft gear 26-the normally engaged gear 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism four 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
10. Reverse gear (low speed) gear ii: the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism 24-the second shaft gear 26-the normally engaged gear 9-the low gear driving gear 11-the low gear driven gear 29-the selection mechanism fourth 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
11. III reverse (Low): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the first constant-mesh gear 9-the low-gear driving gear 11-the low-gear driven gear 29-the fourth selection mechanism 30-the auxiliary speed-changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
12. IV reverse (Low): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normally engaged gear 9-the low-gear driving gear 11-the low-gear driven gear 29-the fourth selection mechanism 30-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
13. Reverse gear i (slow): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the first gear driving gear 8-the first gear driven gear 25-the selection mechanism 24-the two-shaft gear 26-the normally engaged gear 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism three 27-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
14. Reverse gear (slow speed) gear ii: the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the second gear driving gear 7-the second gear driven gear 23-the selection mechanism 24-the second shaft gear 26-the normally engaged gear 9-the slow gear driving gear 10-the slow gear driven gear 28-the selection mechanism three 27-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
15. III reverse (slow): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the third-gear driving gear 6-the third-gear driven gear 22-the first selection mechanism 21-the second shaft gear 26-the first constant-mesh gear 9-the slow-gear driving gear 10-the slow-gear driven gear 28-the third selection mechanism 27-the auxiliary speed-changing driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
16. IV reverse gear (slow): the main clutch shaft pressing-the reverse clutch A-the reverse driving gear 1-the reverse intermediate gear 15-the reverse intermediate gear 17-the Lo driving gear 18-the Lo driven gear 3-the four-gear driving gear 5-the four-gear driven gear 20-the first selection mechanism 21-the two-shaft gear 26-the normally engaged gear 9-the slow gear driving gear 10-the slow gear driven gear 28-the third selection mechanism 27-the auxiliary speed change driven shaft-the crawling gear meshing sleeve 33-the small bevel gear shaft-the differential mechanism and the final transmission assembly F.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (8)

1. A power reversing speed change assembly, comprising:
a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft;
the main clutch shaft is fixedly provided with a reverse clutch (A) and a forward drive gear (2); the main clutch shaft is sleeved with a reverse gear driving gear (1) corresponding to the reverse gear clutch (A);
The high-low gear spline shaft is fixedly provided with a Lo driven gear (3) and a Hi driven gear (4); the high-low gear spline shaft and the main clutch shaft are coaxially arranged;
the constant-meshed gear shaft II is fixedly provided with a constant-meshed gear II (16), a Lo clutch (B) and a Hi clutch (C); the second constant-mesh gear shaft is in hollow sleeve with a Lo driving gear (18) corresponding to the Lo clutch (B), and the second constant-mesh gear shaft is in hollow sleeve with a Hi driving gear (19) corresponding to the Hi clutch (C); the constant meshed gear II (16) is in meshed connection with the forward gear driving gear (2); the Lo driving gear (18) is in meshed connection with the Lo driven gear (3); the Hi driving gear (19) is in meshed connection with the Hi driven gear (4);
the reverse intermediate 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 in meshed connection with the reverse driving gear (1); and the second reverse gear intermediate gear (17) is in meshed connection with the Lo driving gear (18).
2. A high and low gear reversing system, comprising:
the device comprises a power reversing speed changing assembly, a main speed changing assembly, a secondary speed changing assembly and a crawling gear assembly;
the power reversing speed change assembly comprises a main clutch shaft, a high-low gear spline shaft, a constant-meshed gear shaft II and a reverse gear intermediate shaft; the main clutch shaft is fixedly provided with a reverse clutch (A) and a forward drive gear (2); the main clutch shaft is sleeved with a reverse gear driving gear (1) corresponding to the reverse gear clutch (A); the high-low gear spline shaft is fixedly provided with a Lo driven gear (3) and a Hi driven gear (4); the high-low gear spline shaft and the main clutch shaft are coaxially arranged; the constant-meshed gear shaft II is fixedly provided with a constant-meshed gear II (16), a Lo clutch (B) and a Hi clutch (C); the second constant-mesh gear shaft is in hollow sleeve with a Lo driving gear (18) corresponding to the Lo clutch (B), and the second constant-mesh gear shaft is in hollow sleeve with a Hi driving gear (19) corresponding to the Hi clutch (C); the constant meshed gear II (16) is in meshed connection with the forward gear driving gear (2); the Lo driving gear (18) is in meshed connection with the Lo driven gear (3); the Hi driving gear (19) is in meshed connection with the Hi driven gear (4); the reverse intermediate 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 in meshed connection with the reverse driving gear (1); the second reverse gear intermediate gear (17) is in meshed connection with the Lo driving gear (18);
The main shift assembly includes a plurality of main shift transmission paths;
the range assembly includes a plurality of range transmission paths;
any one of the main variable speed transmission paths can be respectively connected with the reverse gear clutch (A), the Lo clutch (B) or the Hi clutch (C) in a transmission way; any one of the primary variable speed drive paths is selectively drivingly connected with any one of the secondary variable speed drive paths; any one of the main variable speed transmission paths is in transmission connection with any one of the auxiliary variable speed transmission paths and then can be selectively in transmission connection with the crawling gear assembly.
3. The high and low gear reversing system according to claim 2, wherein:
the main speed change assembly comprises a first shaft and a second shaft which are arranged in parallel, and the first shaft is in transmission connection with the high-low gear spline shaft;
the N driving gears are fixedly arranged on the shaft, wherein the nth driving gear is an N-gear driving gear; the two shafts are sleeved with N driven gears in a hollow mode; 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 in one-to-one corresponding meshing connection to form N main variable speed transmission paths; wherein N, N is a positive integer greater than 1, and N is less than or equal to N.
4. A high and low gear reversing system according to claim 3, wherein:
the first shaft is fixedly provided 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); the second shaft is fixedly provided with a first selection mechanism (21) which can be selectively connected with the fourth-gear driven gear (20) or the third-gear driven gear (22), and a second 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 with the four-gear driven gear (20) to form a main variable-speed transmission path;
the third-gear driving gear (6) is meshed with the third-gear driven gear (22) to form a main variable-speed transmission path;
the second-gear driving gear (7) is meshed with the second-gear driven gear (23) to form a main variable-speed transmission path;
the first-gear driving gear (8) is meshed with the first-gear driven gear (25) to form a main variable speed transmission path.
5. The high and low gear reversing system according to claim 4, wherein:
The auxiliary speed change assembly comprises a constant-meshed gear shaft I and an auxiliary speed change driven shaft;
the first constant-mesh gear shaft is fixedly provided with a first constant-mesh gear (9), a slow-gear driving gear (10), a low-gear driving gear (11) and a middle-gear driving gear (12);
the two shafts are fixedly provided with two-shaft gears (26);
the auxiliary speed change driven shaft is sleeved with a slow-gear driven gear (28), a low-gear driven gear (29) and a middle-gear driven gear (31); the two shafts are fixedly provided with a third selection mechanism (27) which can be selectively connected with the two-shaft gear (26) or the slow-gear driven gear (28) and a fourth selection mechanism (30) which can be selectively connected with the low-gear driven gear (29) or the medium-gear driven gear (31);
the constant meshed gear I (9) is meshed with the two-shaft gear (26) to form a pair of variable speed transmission paths;
the slow-speed driving gear (10) is meshed with the slow-speed 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 variable-speed transmission paths;
the middle drive gear (12) is meshed with the middle driven gear (31) to form a pair of variable speed transmission paths.
6. The high and low gear reversing system according to claim 5, wherein:
The crawling gear assembly comprises a crawling gear shaft and a small bevel gear shaft;
the crawling gear shaft is fixedly provided with a crawling gear driven gear I (13) and a crawling gear driven gear II (14);
the auxiliary speed change driven shaft is fixedly provided with an auxiliary speed change driven gear (32), and the auxiliary speed change driven gear (32) is in meshed connection with the first crawling speed driven gear (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), and the crawling gear driven gear (34) is connected with the crawling gear driven gear II (14) in a meshed manner; the crawling gear meshing sleeve (33) is selectively connected with the auxiliary speed change driven gear (32) or the crawling gear driven gear (34).
7. The high and low gear reversing system according to claim 6, 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.
8. The high and low gear reversing system according to claim 6, wherein:
the pinion shaft is in transmission connection with the transfer case assembly.
CN201911318679.8A 2019-12-19 2019-12-19 Power reversing speed change assembly and high-low gear reversing system Active CN110939696B (en)

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CN109630566A (en) * 2019-01-30 2019-04-16 陈奇 A kind of wet clutch unit assembly
CN110145590A (en) * 2019-04-30 2019-08-20 长沙桑铼特农业机械设备有限公司 A kind of caterpillar tractor variable speed drive and its drive method
CN110159722A (en) * 2019-04-30 2019-08-23 长沙桑铼特农业机械设备有限公司 A kind of crawler tractor gear equipment
CN211288621U (en) * 2019-12-19 2020-08-18 江苏常发农业装备股份有限公司 Power reversing speed change assembly and high-low gear reversing system

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KR100816991B1 (en) * 2007-05-17 2008-03-26 엘에스전선 주식회사 Transmission apparatus of tractor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2563360Y (en) * 2002-07-03 2003-07-30 东风农机集团公司 Gearbox driving device of wheeled tractor
CN203614675U (en) * 2013-12-23 2014-05-28 赣州五环机器有限责任公司 Tractor gear box
WO2015149515A1 (en) * 2014-03-31 2015-10-08 奇瑞汽车股份有限公司 Automobile dual-clutch transmission
CN208719288U (en) * 2018-09-10 2019-04-09 洛阳研拖机械科技有限公司 A kind of gear box of tractor assembly combined with axial power shift transmission case
CN109630566A (en) * 2019-01-30 2019-04-16 陈奇 A kind of wet clutch unit assembly
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CN211288621U (en) * 2019-12-19 2020-08-18 江苏常发农业装备股份有限公司 Power reversing speed change assembly and high-low gear reversing system

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