CN116624565A - Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing - Google Patents

Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing Download PDF

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Publication number
CN116624565A
CN116624565A CN202310616610.3A CN202310616610A CN116624565A CN 116624565 A CN116624565 A CN 116624565A CN 202310616610 A CN202310616610 A CN 202310616610A CN 116624565 A CN116624565 A CN 116624565A
Authority
CN
China
Prior art keywords
gear
low
shaft
reversing
assembly
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
CN202310616610.3A
Other languages
Chinese (zh)
Inventor
张志东
吴伟
石阳
王飞
张阿明
陈志臻
刘琳
刘宏
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.)
Shandong Jieda Auto Parts Co ltd
Original Assignee
Shandong Jieda Auto Parts 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 Shandong Jieda Auto Parts Co ltd filed Critical Shandong Jieda Auto Parts Co ltd
Priority to CN202310616610.3A priority Critical patent/CN116624565A/en
Publication of CN116624565A publication Critical patent/CN116624565A/en
Pending legal-status Critical Current

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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
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
    • F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/038—Gearboxes for accommodating bevel gears
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0408—Exchange, draining or filling of transmission lubricant
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • 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
    • F16H2057/02091—Measures for reducing weight of gearbox
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H2063/3093—Final output elements, i.e. the final elements to establish gear ratio, e.g. dog clutches or other means establishing coupling to shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention relates to the technical field of gearboxes, and discloses a high-low gear shaft transmission gearbox with a belt pulley input and a power reversing function, which comprises the following components: a housing and a pulley shaft rotatably mounted on the housing; the gear shifting assembly is arranged in the shell and connected with the belt pulley shaft through a power reversing assembly, and comprises a high-gear driving gear, a middle shaft, a low-gear driving gear, a first shaft, a high-gear driven gear and a low-gear driven gear, and a high-gear and low-gear hub assembly is arranged between the high-gear driven gear and the low-gear driven gear; the stirring assembly is arranged on the shell; the invention provides an integral solution of the reversing box with the gearbox, which does not need to carry out additional matching development of the gearbox, has compact structure and high integral ground clearance after adjustment, can prevent sundries from being involved in a belt pulley, has good gear shifting reliability and long service life; low noise, light weight and strong adaptability, and can carry out subsequent function development.

Description

Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing
Technical Field
The invention belongs to the technical field of gearboxes, and particularly relates to a high-low gear shaft transmission gearbox with a belt pulley input function and a power reversing function.
Background
A Transmission, also known as a gearbox, is a mechanism for changing the rotational speed and torque from an engine, which can fix or shift the ratio of the output shaft to the input shaft.
The existing products of the same type in the market generally use sliding teeth to shift gears, gear shifting is difficult, meanwhile, the processing difficulty of inner and outer teeth is high, cost is high, consistency is poor, the complex processing difficulty of the internal structure of a shell is high, a transmission with the same matched interface is needed to be used, and the problem of power reversing and high and low gear requirements when a single-cylinder diesel engine is transversely arranged cannot be solved.
Therefore, in view of the above situation, there is an urgent need to provide a high-low gear shaft transmission with a pulley input capable of power reversing, so as to overcome the shortcomings in the current practical application.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the high-low gear shaft transmission speed changer with the belt pulley input capable of reversing power, a pair of bevel gears are used for reversing the input power, and a shifting assembly moves to drive a high-low gear hub assembly to move left and right so that a high-gear driven gear and a low-gear driven gear move on a shaft, thereby realizing the meshing of a high-gear driving gear and the high-gear driven gear or the meshing of a low-gear driving gear and the low-gear driven gear, and further realizing a gear shifting function; the novel gearbox is developed by matching with the existing gearbox, and the additional configuration of the gearbox is not needed, so that the technical problem is effectively solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: a pulley input power commutated high and low range shaft drive transmission comprising: a housing and a pulley shaft rotatably mounted on the housing; the gear shifting assembly is arranged in the shell and connected with the belt pulley shaft through a power reversing assembly, the gear shifting assembly comprises a high-gear driving gear, an intermediate shaft, a low-gear driving gear, a shaft, a high-gear driven gear and a low-gear driven gear, the intermediate shaft is rotatably arranged in the shell, the high-gear driving gear and the low-gear driving gear are fixedly arranged on the intermediate shaft, the intermediate shaft is connected with the power reversing assembly, the shaft is rotatably arranged in the shell, the high-gear driven gear and the low-gear driven gear are both arranged on the shaft, and a high-gear and low-gear hub assembly is further arranged between the high-gear driven gear and the low-gear driven gear; the stirring assembly is used for driving the high-low gear hub assembly to move on a shaft to shift gears, and is arranged on the shell.
Preferably, the power reversing assembly comprises a drive bevel gear and a driven bevel gear, wherein the drive bevel gear is fixedly arranged on the belt pulley shaft, the driven bevel gear is fixedly arranged on the intermediate shaft, and the drive bevel gear is meshed with the driven bevel gear.
Preferably, the drive bevel gear is fixedly mounted on the pulley shaft through a spline.
Preferably, the high-gear driving gear is twenty-nine teeth, and the low-gear driving gear is twenty-one teeth.
Preferably, the high-gear driven gear is twenty-teeth, and the low-gear driven gear is twenty-nine teeth.
Preferably, the toggle assembly comprises: the gear shifting fork shaft is slidably arranged in the shell, and a poking piece for driving the gear shifting fork shaft to move is further arranged on the shell; one end of the high-low gear shifting fork is fixedly arranged on the gear shifting fork shaft through an elastic cylindrical pin, and the other end of the high-low gear shifting fork is used for pushing the high-low gear hub assembly to move; and a positioning assembly for limiting the movement position of the shift fork shaft, the positioning assembly being mounted within the housing.
Preferably, the toggle member includes: the high-low gear bracket is fixedly arranged on the shell through bolts; the middle part of the high-low gear shift arm is rotatably arranged on the bolt; and the connecting piece is used for connecting the end part of the high-low gear shifting arm with the shifting fork shaft.
Preferably, the positioning assembly comprises: the screw plug is arranged on the shell; the steel ball is slidably arranged in the shell, a hand feeling spring is further arranged between the steel ball and the screw plug, and a groove for being matched with the steel ball to use is formed in the gear shifting fork shaft.
Preferably, the high-gear driving gear and the low-gear driving gear are fixedly arranged on the intermediate shaft through splines.
Preferably, the oil drain plugging piece is arranged on the shell, and an oil plug gasket assembly is arranged between the oil drain plugging piece and the shell.
Compared with the prior art, the invention has the beneficial effects that: transmitting power input by the engine to a belt pulley shaft through a belt pulley; the tail end of the belt pulley shaft is subjected to reversing through a power reversing assembly, torque is transmitted to an intermediate shaft, the stirring assembly moves in a manner of driving the high-low gear hub assembly to move left and right, so that the high-gear driven gear and the low-gear driven gear move on a shaft, the high-gear driving gear is meshed with the high-gear driven gear or the low-gear driving gear is meshed with the low-gear driven gear, a gear shifting function is realized, and finally different rotating speeds are output through the shaft;
the invention provides an integral solution of the reversing box with the gearbox, which does not need to carry out additional matching development of the gearbox, has compact structure and high integral ground clearance after adjustment, can prevent sundries from being involved in a belt pulley, has good gear shifting reliability and long service life; low noise, light weight and strong adaptability, and can carry out subsequent function development.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
fig. 1 is a schematic diagram of a front view structure according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a left-hand cross-sectional structure of an embodiment of the present invention.
Fig. 3 is a schematic rear cross-sectional view of an embodiment of the present invention.
Fig. 4 is a right-side view schematically illustrating an embodiment of the present invention.
Fig. 5 is a schematic side view of fig. 4.
Fig. 6 is a schematic top cross-sectional view of an embodiment of the present invention.
In the figure: 1-shell, 2-high and low gear bracket, 3-bolt, 4-high and low gear shift arm, 5-pulley shaft, 6-drive bevel gear, 7-high gear drive gear, 8-jackshaft, 9-low gear drive gear, 10-driven bevel gear, 11-one shaft, 12-high gear driven gear, 13-connecting piece, 14-high and low gear hub assembly, 15-low gear driven gear, 16-oil plug gasket assembly, 17-oil drain plug assembly, 18-screw plug, 19-hand spring, 20-steel ball, 21-elastic cylindrical pin, 22-high and low gear shift fork and 23-shift fork shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, an embodiment of the present invention provides a belt pulley input power-reversible high and low gear shaft transmission, the belt pulley input power-reversible high and low gear shaft transmission includes: a housing 1 and a pulley shaft 5 rotatably mounted on the housing 1; the gear shifting assembly is arranged in the shell 1 and is connected with the pulley shaft 5 through a power reversing assembly, the gear shifting assembly comprises a high-gear driving gear 7, an intermediate shaft 8, a low-gear driving gear 9, a shaft 11, a high-gear driven gear 12 and a low-gear driven gear 15, the intermediate shaft 8 is rotatably arranged in the shell 1, the high-gear driving gear 7 and the low-gear driving gear 9 are fixedly arranged on the intermediate shaft 8, the intermediate shaft 8 is connected with the power reversing assembly, the shaft 11 is rotatably arranged in the shell 1, the high-gear driven gear 12 and the low-gear driven gear 15 are both arranged on the shaft 11, and a high-gear and low-gear hub assembly 14 is further arranged between the high-gear driven gear 12 and the low-gear driven gear 15; the shifting assembly is used for driving the high-low gear hub assembly 14 to move on a shaft 11 for shifting gears, and is mounted on the shell 1.
In the embodiment of the invention, the center distance of the belt pulley input high-low gear shaft transmission speed changer capable of reversing power is 76mm, and the maximum input torque is 220 N.m; transmitting power input by the engine to the pulley shaft 5 through the pulley; the tail end of the belt pulley shaft 5 is subjected to reversing through a power reversing assembly and torque is transmitted to the intermediate shaft 8, the shifting assembly moves to drive the high-low gear hub assembly 14 to move left and right, so that the high-gear driven gear 12 and the low-gear driven gear 15 move on the shaft 11, the high-gear driving gear 7 is meshed with the high-gear driven gear 12 or the low-gear driving gear 9 is meshed with the low-gear driven gear 15, a shifting function is realized, and finally different rotating speeds are output through the shaft 11. Low noise, light weight and strong adaptability, and can carry out subsequent function development.
In one embodiment of the present invention, referring to fig. 2 and 3, the power reversing assembly includes a drive bevel gear 6 and a driven bevel gear 10, the drive bevel gear 6 is fixedly mounted on the pulley shaft 5, the driven bevel gear 10 is fixedly mounted on the intermediate shaft 8, and the drive bevel gear 6 is meshed with the driven bevel gear 10;
the drive bevel gear 6 is fixedly mounted on the pulley shaft 5 by means of splines.
In this embodiment, the driven bevel gear 10 is twenty-two teeth, and the drive bevel gear 6 is nineteen teeth; the input power is commutated by the cooperation of the drive bevel gear 6 and the driven bevel gear 10.
In one embodiment of the present invention, referring to fig. 2 and 3, the high gear driving gear 7 is twenty-nine teeth, and the low gear driving gear 9 is twenty-one teeth; the high-gear driven gear 12 is twenty-teeth, and the low-gear driven gear 15 is twenty-nine teeth.
In one embodiment of the present invention, referring to fig. 1-6, the toggle assembly comprises:
the gear shifting fork shaft 23 is slidably arranged in the shell 1, and a poking piece for driving the gear shifting fork shaft 23 to move is further arranged on the shell 1;
a high-low gear shifting fork 22, wherein one end of the high-low gear shifting fork 22 is fixedly arranged on a gear shifting fork shaft 23 through an elastic cylindrical pin 21, and the other end of the high-low gear shifting fork 22 is used for pushing the high-low gear hub assembly 14 to move; and a positioning assembly for restricting the movement position of the shift rail 23, the positioning assembly being mounted in the housing 1; the toggle member includes: the high-low gear bracket 2 is fixedly arranged on the shell 1 through bolts 3; the middle part of the high-low gear shift arm 4 is rotatably arranged on the bolt 3; and a connecting piece 13 for connecting the end of the high-low gear shift arm 4 with the shift shaft 23; the positioning assembly includes: a screw plug 18, the screw plug 18 being mounted on the housing 1; the steel ball 20 is slidably arranged in the shell 1, a hand feeling spring 19 is further arranged between the steel ball 20 and the screw plug 18, and a groove for being matched with the steel ball 20 is formed in the gear shifting fork shaft 23.
In this embodiment, the connecting piece 13 may be a combination structure of a nut and a connecting pin; through the mode of rotating high-low gear shift arm 4, can drive shift fork shaft 23 and slide in casing 1 side by side, can drive high-low gear hub assembly 14 and slide on a axle 11 through high-low gear shift fork 22, through the cooperation setting of plug screw 18, feel spring 19 and steel ball 20, can inject the shift fork shaft 23's removal position.
In one embodiment of the present invention, referring to fig. 3, the high gear driving gear 7 and the low gear driving gear 9 are fixedly mounted on the intermediate shaft 8 through splines.
In one embodiment of the present invention, referring to fig. 5, the present invention further includes an oil drain plug 17 mounted on the housing 1, and an oil plug gasket assembly 16 is disposed between the oil drain plug 17 and the housing 1.
Other undisclosed structures in the present invention may employ prior art.
Working principle: transmitting power input by the engine to the pulley shaft 5 through the pulley; the tail end of the belt pulley shaft 5 is subjected to reversing through a power reversing component and torque is transmitted to the intermediate shaft 8, the shifting component moves in a manner of driving the high-low gear hub assembly 14 to move left and right, so that the high-gear driven gear 12 and the low-gear driven gear 15 move on a shaft 11, the high-gear driving gear 7 is meshed with the high-gear driven gear 12 or the low-gear driving gear 9 is meshed with the low-gear driven gear 15, a gear shifting function is realized, and finally different rotating speeds are output through the shaft 11; through the mode of rotating high-low gear shift arm 4, can drive shift fork shaft 23 and slide in casing 1 side by side, can drive high-low gear hub assembly 14 and slide on a axle 11 through high-low gear shift fork 22, through the cooperation setting of plug screw 18, feel spring 19 and steel ball 20, can inject the shift fork shaft 23's removal position.
It is noted that 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a but belt pulley input power reversing's high-low gear axle transmission, includes casing and rotates the belt pulley axle of installing on the casing, its characterized in that still includes: the gear shifting assembly is arranged in the shell and connected with the belt pulley shaft through a power reversing assembly, the gear shifting assembly comprises a high-gear driving gear, an intermediate shaft, a low-gear driving gear, a shaft, a high-gear driven gear and a low-gear driven gear, the intermediate shaft is rotatably arranged in the shell, the high-gear driving gear and the low-gear driving gear are fixedly arranged on the intermediate shaft, the intermediate shaft is connected with the power reversing assembly, the shaft is rotatably arranged in the shell, the high-gear driven gear and the low-gear driven gear are both arranged on the shaft, and a high-gear and low-gear hub assembly is further arranged between the high-gear driven gear and the low-gear driven gear; the stirring assembly is used for driving the high-low gear hub assembly to move on a shaft to shift gears, and is arranged on the shell.
2. The high and low gear shaft transmission with power reversing input to the pulley according to claim 1, wherein the power reversing assembly comprises a drive bevel gear and a driven bevel gear, the drive bevel gear is fixedly mounted on the pulley shaft, the driven bevel gear is fixedly mounted on the intermediate shaft, and the drive bevel gear is meshed with the driven bevel gear.
3. A pulley input power reversing high and low speed shaft drive transmission as in claim 2 wherein the drive bevel gear is fixedly mounted to the pulley shaft by splines.
4. A pulley-input power-reversing high-low shaft drive transmission as in claim 1, wherein the high-range drive gear is twenty-nine teeth and the low-range drive gear is twenty-one teeth.
5. A pulley-input power-reversing high-low range shaft drive transmission as in claim 1, wherein the high range passive gear is twenty teeth and the low range passive gear is twenty nine teeth.
6. A pulley-input power-reversing high-low range shaft transmission as in claim 1, wherein said toggle assembly comprises:
the gear shifting fork shaft is slidably arranged in the shell, and a poking piece for driving the gear shifting fork shaft to move is further arranged on the shell; one end of the high-low gear shifting fork is fixedly arranged on the gear shifting fork shaft through an elastic cylindrical pin, and the other end of the high-low gear shifting fork is used for pushing the high-low gear hub assembly to move; and a positioning assembly for limiting the movement position of the shift fork shaft, the positioning assembly being mounted within the housing.
7. The pulley-input power-reversing high-low range shaft transmission of claim 6, wherein the toggle member comprises: the high-low gear bracket is fixedly arranged on the shell through bolts; the middle part of the high-low gear shift arm is rotatably arranged on the bolt; and the connecting piece is used for connecting the end part of the high-low gear shifting arm with the shifting fork shaft.
8. A pulley-input power-reversing high-low range shaft transmission in accordance with claim 6, wherein said positioning assembly comprises: the screw plug is arranged on the shell; the steel ball is slidably arranged in the shell, a hand feeling spring is further arranged between the steel ball and the screw plug, and a groove for being matched with the steel ball to use is formed in the gear shifting fork shaft.
9. The pulley-input power-reversing high-low range shaft transmission of claim 1, wherein the high range driving gear and the low range driving gear are fixedly mounted on the intermediate shaft through splines.
10. The pulley-input power-reversing high-low gear shaft transmission of claim 1, further comprising an oil drain plug mounted on the housing, and an oil plug gasket assembly is disposed between the oil drain plug and the housing.
CN202310616610.3A 2023-05-29 2023-05-29 Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing Pending CN116624565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310616610.3A CN116624565A (en) 2023-05-29 2023-05-29 Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310616610.3A CN116624565A (en) 2023-05-29 2023-05-29 Belt pulley input high-low gear shaft transmission speed changer capable of realizing power reversing

Publications (1)

Publication Number Publication Date
CN116624565A true CN116624565A (en) 2023-08-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202338605U (en) * 2011-12-07 2012-07-18 唐山通力齿轮有限公司 Speed changer for pure electric vehicle
CN106195143A (en) * 2016-08-31 2016-12-07 陕西法士特齿轮有限责任公司 A kind of two grades of pure electric vehicles list duplex countershaft transmission
CN106895119A (en) * 2017-03-24 2017-06-27 山东卫禾传动科技有限公司 A kind of equipment for plant protection gear arrangement
CN215908328U (en) * 2021-06-04 2022-02-25 山东巨明机械有限公司 Harvester gearbox based on double-interface connection HST device
CN115355299A (en) * 2022-08-17 2022-11-18 山东巨明机械有限公司 High-low speed full-time four-wheel drive transmission with HST

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202338605U (en) * 2011-12-07 2012-07-18 唐山通力齿轮有限公司 Speed changer for pure electric vehicle
CN106195143A (en) * 2016-08-31 2016-12-07 陕西法士特齿轮有限责任公司 A kind of two grades of pure electric vehicles list duplex countershaft transmission
CN106895119A (en) * 2017-03-24 2017-06-27 山东卫禾传动科技有限公司 A kind of equipment for plant protection gear arrangement
CN215908328U (en) * 2021-06-04 2022-02-25 山东巨明机械有限公司 Harvester gearbox based on double-interface connection HST device
CN115355299A (en) * 2022-08-17 2022-11-18 山东巨明机械有限公司 High-low speed full-time four-wheel drive transmission with HST

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