CN117537046A - Variable speed transmission system - Google Patents

Variable speed transmission system Download PDF

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Publication number
CN117537046A
CN117537046A CN202311757275.5A CN202311757275A CN117537046A CN 117537046 A CN117537046 A CN 117537046A CN 202311757275 A CN202311757275 A CN 202311757275A CN 117537046 A CN117537046 A CN 117537046A
Authority
CN
China
Prior art keywords
gear
speed
auxiliary
shifting device
gear shifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311757275.5A
Other languages
Chinese (zh)
Inventor
李建启
王殿勇
陈圣
王壮年
田志海
李刚
李国华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Lovol Intelligent Agricultural Technology Co Ltd
Original Assignee
Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weichai Lovol Intelligent Agricultural Technology Co Ltd filed Critical Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority to CN202311757275.5A priority Critical patent/CN117537046A/en
Publication of CN117537046A publication Critical patent/CN117537046A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/12Toothed 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 means for synchronisation not incorporated in the clutches

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

Abstract

The present application relates to a variable speed drive system comprising: an input shaft for inputting power; the main variable speed power output assembly is used for outputting preset gear power; the main variable speed power output assembly is movably connected with the input shaft; the shuttle shift power output assembly is used for outputting forward power or reverse power; the shuttle shift power output assembly is movably connected with the main speed change power output assembly; the auxiliary speed-changing power output assembly is used for outputting auxiliary speed-changing power; the secondary variable speed power output assembly is movably connected with the shuttle shift power output assembly. According to the automatic transmission control method, the arrangement positions of the main gear shifting, the shuttle gear shifting and the auxiliary gear shifting sections of the transmission are optimized again, the original positions of the main gear shifting are kept unchanged, the arrangement positions of the shuttle gear shifting and the auxiliary gear shifting sections are exchanged, the shuttle gear shifting sections and the auxiliary gear shifting sections share a pair of gears, the number of parts is effectively reduced, the front section space of the rear axle housing is fully utilized, the overall arrangement is more reasonable, and the overall gear shifting performance is optimized.

Description

Variable speed transmission system
Technical Field
The present application relates to the field of gearboxes, and more particularly to a variable speed drive system.
Background
Currently, a 12+12 gear gearbox of a domestic middle horsepower tractor mostly adopts a three-section speed change structure, a four-gear main speed change, a three-gear auxiliary speed change and a shuttle shift section; the shuttle shift section is arranged at the tail end of the gearbox, and the module size of the gear is required to be larger, and the installation space is larger; the actual three-gear auxiliary speed change installation space is relatively smaller, the structure size is compact, the requirements on parts and assembly quality are higher, and the overall structure arrangement is unreasonable.
With the increase of the whole machine quality of the middle horsepower section tractor and the adaptation of the horsepower of the engine, the structure gradually shows a plurality of defects, seriously influences the whole machine operation efficiency and the actual gear shifting experience of users, and needs to be improved.
Disclosure of Invention
To solve the above technical problems, or at least partially solve the above technical problems, the present application provides a variable speed drive system.
In a first aspect, the present application provides a variable speed drive system comprising:
an input shaft for inputting power;
the main variable speed power output assembly is used for outputting preset gear power; the main variable speed power output assembly is movably connected with the input shaft;
the shuttle shift power output assembly is used for outputting forward power or reverse power; the shuttle shift power output assembly is movably connected with the main speed change power output assembly;
the auxiliary speed-changing power output assembly is used for outputting auxiliary speed-changing power; the secondary variable speed power output assembly is movably connected with the shuttle shift power output assembly.
Preferably, the main variable speed power take off assembly comprises: the gear shifting device comprises a first-gear driving gear, a main speed change output shaft, a first-gear driven gear and a second-gear shifting device, wherein the first-gear driven gear is respectively connected with the first-gear driving gear and the main speed change output shaft, and when the second-gear shifting device is connected to a preset position in a forward mode, the first-gear driven gear and the main speed change output shaft are respectively connected by the second-gear shifting device.
Preferably, the main variable speed power take off assembly further comprises: the gear shifting device comprises a second-gear driving gear and a second-gear driven gear, wherein the second-gear driven gear is respectively connected with the second-gear driving gear and the main speed change output shaft, and when the first-gear shifting device is connected to a preset position in a backward mode, the first-gear shifting device is respectively connected with the second-gear driven gear and the main speed change output shaft.
Preferably, the main variable speed power take off assembly comprises: the three-gear transmission device comprises a three-gear driving gear, a three-four-gear shifting device, a main speed change output shaft and a three-gear driven gear, wherein the three-gear driven gear is respectively connected with the three-gear driving gear and the main speed change output shaft, and when the three-four-gear shifting device is connected to a preset position in a forward hanging mode, the three-four-gear shifting device is respectively connected with the three-gear driving gear and the input shaft.
Preferably, the main variable speed power take off assembly further comprises: the four-gear driving gear and the four-gear driven gear are respectively connected with the four-gear driving gear and the main speed change output shaft, and when the three-four-gear shifting device is connected to a preset position in a rear-hanging mode, the three-four-gear shifting device is respectively connected with the four-gear driving gear and the input shaft.
Preferably, the shuttle shift power take off assembly comprises: the power transmission device comprises a reversing gear shifting device, a constant-mesh driving gear and a shuttle-type gear shifting output shaft, wherein the Chang Niege driving gear is connected with the shuttle-type gear shifting output shaft, and when the reversing gear shifting device is connected to a preset position in a backward hanging mode, the reversing gear shifting device is respectively connected with a main speed change output shaft and the shuttle-type gear shifting output shaft in the main speed change power output assembly.
Preferably, the shuttle shift power take off assembly further comprises: the device comprises a constant mesh driven gear, a reverse gear driving gear, a reverse gear front idler and a reverse gear rear idler, wherein the reverse gear driving gear, the reverse gear front idler, the reverse gear rear idler, the constant mesh driven gear and the Chang Niege driving gear are sequentially connected, the constant mesh driven gear is connected with a secondary speed change front section driving shaft in a secondary speed change power output assembly, and when the reverse gear shifting device is connected to a preset position in a forward mode, the reverse gear shifting device is respectively connected with the reverse gear driving gear and the primary speed change output shaft.
Preferably, the sub-variable speed power take-off assembly comprises: and the auxiliary speed change high-speed gear shifting device is connected with a shuttle-type gear shifting output shaft in the shuttle-type gear shifting power output assembly and the rear central conical gear shaft respectively when the auxiliary speed change high-speed gear shifting device is connected to a preset position in a forward mode.
Preferably, the sub-variable speed power take-off assembly further comprises: the auxiliary transmission power output assembly comprises a constant mesh driven gear, an auxiliary transmission front section driving shaft, an auxiliary transmission rear section driving shaft, an auxiliary transmission middle-speed driving gear, an auxiliary transmission middle-speed driven gear and an auxiliary transmission middle-low-speed gear shifting device, wherein the constant mesh driven gear, the auxiliary transmission front section driving shaft, the auxiliary transmission rear section driving shaft, the auxiliary transmission middle-speed driving gear and the auxiliary transmission middle-speed driven gear are sequentially connected, the auxiliary transmission middle-speed driven gear is connected with a rear central conical gear shaft, and when the auxiliary transmission middle-low-speed gear shifting device is connected to a preset position in a forward hanging mode, the auxiliary transmission middle-speed driven gear and the rear central conical gear shaft in the auxiliary transmission power output assembly are respectively connected.
Preferably, the sub-variable speed power take-off assembly further comprises: the auxiliary speed change low-speed driving gear and the auxiliary speed change low-speed driven gear are sequentially connected, the auxiliary speed change low-speed driving gear is connected with the rear central conical gear shaft, and when the auxiliary speed change medium-low-speed gear shifting device is connected to a preset position in a rear hanging mode, the auxiliary speed change medium-low-speed gear shifting device is connected with the auxiliary speed change low-speed driven gear and the rear central conical gear shaft in the auxiliary speed change power output assembly respectively.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the speed change transmission system, the arrangement positions of the main speed change section, the shuttle shift section and the auxiliary speed change section of the gearbox are optimized again, the original positions of the main speed change section are kept unchanged, the arrangement positions of the shuttle shift section and the auxiliary speed change section are exchanged, the shuttle shift section and the auxiliary speed change section share a pair of gears, the number of parts is effectively reduced, the front section space of the rear axle housing is fully utilized, the overall arrangement of the speed change section is more reasonable, and the overall gear change performance is optimized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a variable speed drive system according to an embodiment of the present disclosure;
in the figure:
1-input shaft, 2-first gear driving gear, 3-second gear driving gear, 4-third gear driving gear, 5-third and fourth gear shifting device, 6-fourth gear driving gear, 7-constant mesh driven gear, 8-auxiliary transmission middle gear driving gear, 9-auxiliary transmission low gear driving gear, 10-main transmission output shaft, 11-first gear driven gear, 12-first gear shifting device, 13-second gear driven gear, 14-third gear driven gear, 15-fourth gear driven gear, 16-reverse gear driving gear, 17-reverse gear shifting device, 18-constant mesh driving gear, 19-shuttle shift output shaft, 20-reverse gear front stage idler, 21-reverse gear rear stage idler, 22-auxiliary transmission high gear shifting device, 23-auxiliary transmission middle gear driven gear, 24-auxiliary transmission middle and low gear shifting device, 25-auxiliary transmission low gear driven gear, 26-rear center bevel gear shaft, 27-auxiliary transmission front stage driving shaft, 28-auxiliary transmission rear stage driving shaft.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Referring to fig. 1, the present application provides a variable speed drive system comprising:
an input shaft 1 for inputting power;
the main variable speed power output assembly is used for outputting preset gear power; the main variable speed power output assembly is movably connected with the input shaft 1;
the shuttle shift power output assembly is used for outputting forward power or reverse power; the shuttle shift power output assembly is movably connected with the main speed change power output assembly;
the auxiliary speed-changing power output assembly is used for outputting auxiliary speed-changing power; the secondary variable speed power output assembly is movably connected with the shuttle shift power output assembly.
Specifically, the power of the input shaft 1 outputs preset-gear power via a main gear-shift power output assembly, the preset-gear power output by the main gear-shift power output assembly outputs forward-gear power or reverse-gear power via a shuttle-shift power output assembly, and the auxiliary gear-shift power is output via an auxiliary gear-shift power output assembly.
In an embodiment of the present application, the main variable speed power take off assembly includes: the gear shifting device comprises a first-gear driving gear 2, a main speed change output shaft 10, a first-gear driven gear 11 and a first-gear shifting device 12, wherein the first-gear driven gear 11 is respectively connected with the first-gear driving gear 2 and the main speed change output shaft 10, and when the first-gear shifting device 12 is connected to a preset position in a forward hanging mode, the first-gear driven gear 11 and the main speed change output shaft 10 are respectively connected with the first-gear shifting device 12.
Specifically, when the first-gear shift device 12 is engaged forward, power is transmitted from the input shaft 1 to the main transmission output shaft 10 through the first-gear drive gear 2, the first-gear driven gear 11, and the first-gear shift device 12, and the first-gear power output is achieved.
In an embodiment of the present application, the main variable speed power take off assembly further comprises: a second gear driving gear 3 and a second gear driven gear 13, wherein the second gear driven gear 13 is respectively connected with the second gear driving gear 3 and the main speed change output shaft 10, and when the first gear shifting device 12 is connected to a preset position in a rear-hanging manner, the first gear shifting device 12 is respectively connected with the second gear driven gear 13 and the main speed change output shaft 10.
Specifically, when the first-gear shifting device 12 is connected in a rear-shift manner, power is transmitted from the input shaft 1 to the main transmission output shaft 10 through the second-gear driving gear 3, the second-gear driven gear 13 and the first-gear shifting device 12, so that second-gear power output is realized.
In an embodiment of the present application, the main variable speed power take off assembly includes: the three-gear transmission device comprises a three-gear driving gear 4, a three-four-gear shifting device 5, a main speed change output shaft 10 and a three-gear driven gear 14, wherein the three-gear driven gear 14 is respectively connected with the three-gear driving gear 4 and the main speed change output shaft 10, and when the three-four-gear shifting device 5 is connected to a preset position in a forward hanging mode, the three-four-gear shifting device 5 is respectively connected with the three-gear driving gear and the input shaft 1.
Specifically, when the three-four gear shifting device 5 is connected forward, power is output to the main speed change output shaft 10 through the three-four gear shifting device 5, the three-gear driving gear 4 and the three-gear driven gear 14 by the input shaft 1, so that three-generation power output is realized.
In an embodiment of the present application, the main variable speed power take off assembly further comprises: a fourth gear driving gear 6 and a fourth gear driven gear 15, wherein the fourth gear driven gear 15 is respectively connected with the fourth gear driving gear 6 and the main speed change output shaft 10, and when the third and fourth gear shifting device is connected to a preset position in a rear-hanging manner, the third and fourth gear shifting device is respectively connected with the fourth gear driving gear 6 and the input shaft 1.
Specifically, when the three-four gear shifting device 5 is connected in a rear-hanging manner, power is transmitted to the main speed change output shaft 10 through the three-four gear shifting device 5, the four-gear driving gear 6 and the four-gear driven gear 15 by the input shaft 1, so that four-gear power output is realized.
In an embodiment of the present application, the shuttle shift power take off assembly includes: a reverse gear shifting device 17, a constant mesh driving gear 18 and a shuttle shift output shaft 19, wherein the Chang Niege driving gear 18 is connected with the shuttle shift output shaft 19, and when the reverse gear shifting device 17 is connected to a preset position in a rear hanging mode, the reverse gear shifting device 17 is respectively connected with a main speed change output shaft 10 and the shuttle shift output shaft 19 in the main speed change power output assembly.
In an embodiment of the present application, the auxiliary variable speed power take off assembly includes: a range-up gear shift device 22 and a rear center bevel gear shaft 26, wherein the range-up gear shift device 22 connects the shuttle shift output shaft 19 and the rear center bevel gear shaft 26, respectively, in the shuttle shift power take-off assembly when the range-up gear shift device 22 is forward-engaged to a preset position.
Specifically, when the reverse gear shifting device 17 is engaged backward and the auxiliary gear shifting device 22 is engaged forward, power is transmitted from the main gear shifting output shaft 10 to the rear center bevel gear shaft 26 through the reverse gear shifting device 17, the constant mesh drive gear 18, the shuttle gear shifting output shaft 19 and the auxiliary gear shifting device 22, and the shuttle gear shifting section-forward gear, auxiliary gear shifting section-high gear power output is realized.
In an embodiment of the present application, the auxiliary variable speed power output assembly further includes: the auxiliary transmission power output assembly comprises a constant mesh driven gear 7, an auxiliary transmission front section driving shaft 27, an auxiliary transmission rear section driving shaft 28, an auxiliary transmission middle-stage driving gear 8, an auxiliary transmission middle-stage driven gear 23 and an auxiliary transmission middle-stage and low-stage gear shifting device 24, wherein the constant mesh driven gear 7, the auxiliary transmission front section driving shaft 27, the auxiliary transmission rear section driving shaft 28, the auxiliary transmission middle-stage driving gear 8 and the auxiliary transmission middle-stage driven gear 23 are sequentially connected, the auxiliary transmission middle-stage driven gear 23 is connected with a rear central conical gear shaft 26, and when the auxiliary transmission middle-stage and low-stage gear shifting device 24 is connected to a preset position in a forward direction, the auxiliary transmission middle-stage driven gear 23 and the rear central conical gear shaft 26 in the auxiliary transmission power output assembly are respectively connected with the auxiliary transmission middle-stage driven gear 24.
Specifically, when the reverse gear shifting device 17 is engaged backward and the auxiliary gear shifting device 24 is engaged forward, power is transmitted from the main transmission output shaft 10 to the rear center bevel gear shaft 26 through the reverse gear shifting device 17, the constant mesh driving gear 18, the constant mesh driven gear 7, the auxiliary transmission front section driving shaft 27, the auxiliary transmission rear section driving shaft 28, the auxiliary gear driving gear 8, the auxiliary gear intermediate driven gear 23 and the auxiliary gear intermediate low gear shifting device 24, so that the shuttle shift section-forward gear and auxiliary shift section-intermediate power output is realized.
In an embodiment of the present application, the auxiliary variable speed power output assembly further includes: the auxiliary gear shifting device comprises an auxiliary gear shifting low-speed driving gear 9 and an auxiliary gear shifting low-speed driven gear 25, wherein the auxiliary gear shifting low-speed driving gear 25, the auxiliary gear shifting front section driving shaft 27, the auxiliary gear shifting rear section driving shaft 28, the auxiliary gear shifting low-speed driving gear 9 and the auxiliary gear shifting low-speed driven gear 25 are sequentially connected, the auxiliary gear shifting low-speed driven gear 25 is connected with a rear central conical gear shaft 26, and when the auxiliary gear shifting device 24 is connected to a preset position in a rear hanging mode, the auxiliary gear shifting device 24 is connected with the auxiliary gear shifting low-speed driven gear 25 and the central conical gear shaft 26 respectively.
Specifically, when the reverse gear shifting device 17 is engaged backward and the secondary gear shifting device 24 is engaged backward, power is transmitted from the main transmission output shaft 10 to the rear center bevel gear shaft 26 through the reverse gear shifting device 17, the constant mesh driving gear 18, the constant mesh driven gear 7, the secondary transmission front stage driving shaft 27, the secondary transmission rear stage driving shaft 28, the secondary transmission low stage driving gear 9, the secondary transmission low stage driven gear 25 and the secondary gear shifting device 24, so that the shuttle shift section-forward gear and the secondary transmission section-low gear power output are realized.
In an embodiment of the present application, the shuttle shift power take off assembly further comprises: a constant mesh driven gear 7, a reverse driving gear 16, a reverse front idle gear 20 and a reverse rear idle gear 21, wherein the reverse driving gear 16, the reverse front idle gear 20, the reverse rear idle gear 21, the constant mesh driven gear 7 and the Chang Niege driving gear 18 are sequentially connected, the constant mesh driven gear 7 is connected with the auxiliary speed change front driving shaft 27, and when the reverse gear shifting device 17 is forward-hung to a preset position, the reverse gear shifting device 17 is respectively connected with the reverse driving gear 16 and the main speed change output shaft 10.
Specifically, when the reverse gear shifting device 17 is engaged forward and the auxiliary gear shifting device 22 is engaged forward, power is transmitted from the main gear shifting output shaft 10 to the rear center bevel gear shaft 26 through the reverse gear shifting device 17, the reverse gear driving gear 16, the reverse gear front-stage idler 20, the reverse gear rear-stage idler 21, the constant mesh driven gear 7, the constant mesh driving gear 18, the shuttle gear shifting output shaft 19 and the auxiliary gear shifting device 22, so that shuttle gear shifting section-reverse gear, auxiliary gear shifting section-high gear power output is realized.
Specifically, when the reverse gear shifting device 17 is engaged forward and the auxiliary gear shifting device 24 is engaged forward, power is transmitted from the main transmission output shaft 10 to the rear center conical gear shaft 26 through the reverse gear shifting device 17, the reverse gear driving gear 16, the reverse gear front stage idler 20, the reverse gear rear stage idler 21, the constant mesh driven gear 7, the auxiliary gear front stage driving shaft 27, the auxiliary gear rear stage driving shaft 28, the auxiliary gear driving gear 8, the auxiliary gear intermediate stage driven gear 23 and the auxiliary gear intermediate stage shifting device 24, so that the shuttle gear shift section-reverse gear, the auxiliary gear shift section-intermediate stage power output is realized.
Specifically, when the reverse gear shifting device 17 is engaged forward and the secondary gear shifting device 24 is engaged backward, power is transmitted from the main transmission output shaft 10 to the rear center conical gear shaft 26 through the reverse gear shifting device 17, the reverse gear driving gear 16, the reverse gear front stage idler 20, the reverse gear rear stage idler 21, the constant mesh driven gear 7, the secondary gear front stage driving shaft 27, the secondary gear rear stage driving shaft 28, the secondary gear low stage driving gear 9, the secondary gear low stage driven gear 25 and the secondary gear low stage shifting device 24, so that the shuttle shift section-reverse gear, the secondary gear shift section-low stage power output is realized.
According to the speed change transmission system, the arrangement positions of the main speed change section, the shuttle shift section and the auxiliary speed change section of the gearbox are optimized again, the original positions of the main speed change section are kept unchanged, the arrangement positions of the shuttle shift section and the auxiliary speed change section are exchanged, the shuttle shift section and the auxiliary speed change section share a pair of gears, the number of parts is effectively reduced, the front section space of the rear axle housing is fully utilized, the overall arrangement of the speed change section is more reasonable, and the overall gear change performance is optimized.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A variable speed drive system comprising:
an input shaft for inputting power;
the main variable speed power output assembly is used for outputting preset gear power; the main variable speed power output assembly is movably connected with the input shaft;
the shuttle shift power output assembly is used for outputting forward power or reverse power; the shuttle shift power output assembly is movably connected with the main speed change power output assembly;
the auxiliary speed-changing power output assembly is used for outputting auxiliary speed-changing power; the secondary variable speed power output assembly is movably connected with the shuttle shift power output assembly.
2. The variable speed drive system of claim 1, wherein the main variable speed power take off assembly comprises: the gear shifting device comprises a first-gear driving gear, a main speed change output shaft, a first-gear driven gear and a second-gear shifting device, wherein the first-gear driven gear is respectively connected with the first-gear driving gear and the main speed change output shaft, and when the second-gear shifting device is connected to a preset position in a forward mode, the first-gear driven gear and the main speed change output shaft are respectively connected by the second-gear shifting device.
3. The variable speed drive system of claim 2, wherein the main variable speed power take off assembly further comprises: the gear shifting device comprises a second-gear driving gear and a second-gear driven gear, wherein the second-gear driven gear is respectively connected with the second-gear driving gear and the main speed change output shaft, and when the first-gear shifting device is connected to a preset position in a backward mode, the first-gear shifting device is respectively connected with the second-gear driven gear and the main speed change output shaft.
4. The variable speed drive system of claim 1, wherein the main variable speed power take off assembly comprises: the three-gear transmission device comprises a three-gear driving gear, a three-four-gear shifting device, a main speed change output shaft and a three-gear driven gear, wherein the three-gear driven gear is respectively connected with the three-gear driving gear and the main speed change output shaft, and when the three-four-gear shifting device is connected to a preset position in a forward hanging mode, the three-four-gear shifting device is respectively connected with the three-gear driving gear and the input shaft.
5. The variable speed drive system of claim 4, wherein the main variable speed power take off assembly further comprises: the four-gear driving gear and the four-gear driven gear are respectively connected with the four-gear driving gear and the main speed change output shaft, and when the three-four-gear shifting device is connected to a preset position in a rear-hanging mode, the three-four-gear shifting device is respectively connected with the four-gear driving gear and the input shaft.
6. The variable speed drive system of claim 1, wherein the shuttle shift power take off assembly comprises: the power transmission device comprises a reversing gear shifting device, a constant-mesh driving gear and a shuttle-type gear shifting output shaft, wherein the Chang Niege driving gear is connected with the shuttle-type gear shifting output shaft, and when the reversing gear shifting device is connected to a preset position in a backward hanging mode, the reversing gear shifting device is respectively connected with a main speed change output shaft and the shuttle-type gear shifting output shaft in the main speed change power output assembly.
7. The variable speed drive system of claim 6, wherein the shuttle shift power take off assembly further comprises: the device comprises a constant mesh driven gear, a reverse gear driving gear, a reverse gear front idler and a reverse gear rear idler, wherein the reverse gear driving gear, the reverse gear front idler, the reverse gear rear idler, the constant mesh driven gear and the Chang Niege driving gear are sequentially connected, the constant mesh driven gear is connected with a secondary speed change front section driving shaft in a secondary speed change power output assembly, and when the reverse gear shifting device is connected to a preset position in a forward mode, the reverse gear shifting device is respectively connected with the reverse gear driving gear and the primary speed change output shaft.
8. The variable speed drive system of claim 1, wherein the secondary variable speed power take off assembly comprises: and the auxiliary speed change high-speed gear shifting device is connected with a shuttle-type gear shifting output shaft in the shuttle-type gear shifting power output assembly and the rear central conical gear shaft respectively when the auxiliary speed change high-speed gear shifting device is connected to a preset position in a forward mode.
9. The variable speed drive system of claim 8, wherein the secondary variable speed power take off assembly further comprises: the auxiliary transmission power output assembly comprises a constant mesh driven gear, an auxiliary transmission front section driving shaft, an auxiliary transmission rear section driving shaft, an auxiliary transmission middle-speed driving gear, an auxiliary transmission middle-speed driven gear and an auxiliary transmission middle-low-speed gear shifting device, wherein the constant mesh driven gear, the auxiliary transmission front section driving shaft, the auxiliary transmission rear section driving shaft, the auxiliary transmission middle-speed driving gear and the auxiliary transmission middle-speed driven gear are sequentially connected, the auxiliary transmission middle-speed driven gear is connected with a rear central conical gear shaft, and when the auxiliary transmission middle-low-speed gear shifting device is connected to a preset position in a forward hanging mode, the auxiliary transmission middle-speed driven gear and the rear central conical gear shaft in the auxiliary transmission power output assembly are respectively connected.
10. The variable speed drive system of claim 9, wherein the secondary variable speed power take off assembly further comprises: the auxiliary speed change low-speed driving gear and the auxiliary speed change low-speed driven gear are sequentially connected, the auxiliary speed change low-speed driving gear is connected with the rear central conical gear shaft, and when the auxiliary speed change medium-low-speed gear shifting device is connected to a preset position in a rear hanging mode, the auxiliary speed change medium-low-speed gear shifting device is connected with the auxiliary speed change low-speed driven gear and the rear central conical gear shaft in the auxiliary speed change power output assembly respectively.
CN202311757275.5A 2023-12-18 2023-12-18 Variable speed transmission system Pending CN117537046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311757275.5A CN117537046A (en) 2023-12-18 2023-12-18 Variable speed transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311757275.5A CN117537046A (en) 2023-12-18 2023-12-18 Variable speed transmission system

Publications (1)

Publication Number Publication Date
CN117537046A true CN117537046A (en) 2024-02-09

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ID=89796026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311757275.5A Pending CN117537046A (en) 2023-12-18 2023-12-18 Variable speed transmission system

Country Status (1)

Country Link
CN (1) CN117537046A (en)

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