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Front-and-rear-driving steering wheel type tractor gear-shifting operation system

An operating system and rear-drive technology, applied in the field of tractors, can solve the problems of unguaranteed and complicated direct operation, and achieve the effect of reasonable design, reasonable layout and improved comfort.

Inactive Publication Date: 2012-02-22
桂林同维汽车贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because there are too many connecting rods in the main gear shifting mechanism, and it is too complicated to improve the gear shifting fork inside the original gearbox, direct operation cannot be guaranteed.

Method used

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  • Front-and-rear-driving steering wheel type tractor gear-shifting operation system
  • Front-and-rear-driving steering wheel type tractor gear-shifting operation system
  • Front-and-rear-driving steering wheel type tractor gear-shifting operation system

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Embodiment Construction

[0020] The present invention is a front and rear drive steering wheel tractor gear shifting operating system, and its shifting mechanism includes a gearbox body, the original gearbox transmission system, a shift fork, a positioning pin, a soft axis, a handle, etc., and is arranged on the upper cover of the front drive gearbox 18. There are gear selection swing arm 14, gear selection shaft 22, gear shifting block assembly 21, gear shifting limit device, limit snap spring 28 and fuel filler assembly 23, and the gear selection shaft 22 of gear selection swing arm 14 penetrates first The gear-hanging block assembly 21 passes through the coaxial hole again, and is positioned with the limit jumper 28. The ball head of the gear-hanging block assembly 21 will extend into the slots of the second and third gear shift forks 25 and the first and reverse gear shift forks 27 Inside, the fast and slow gear shaft swing arm assembly 20 connected with the fast and slow gear shift fork 19, the fa...

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Abstract

The invention discloses a front-and-rear-driving steering wheel type tractor gear-shifting operation system. The operation system is characterized in that a gear-shifting mechanism is provided with a gear-selecting swing arm, a gear-selecting shaft, a gear-shifting block assembly, a gear-shifting stop block, a stop jump ring and an oil filler assembly on the upper cover of a gear box; the main gear-shifting operation mechanism of the operation mechanism is connected to a gear-shifting rocker arm at the straight ahead and a gear-selecting rocker arm at the right side, wherein the gear-shifting rocker arm is connected with a gear-shifting swing arm through a gear-shifting flexible axis; the gear-selecting rocker arm is connected with the gear-selecting swing arm through a gear-selecting flexible axis, a rear drive operation handle is connected with a rear drive swing arm through a rear drive flexible axis, a fast-slow gear operation handle is connected with a fast-slow gear swing arm through a fast-slow gear flexible axis, and the stop block is connected with a gear-shifting fork. The operation system provided by the invention has simple structure, flexible and reliable gear-shifting operation; operation is labor-saving, simple and clear; and labor intensity of a driver is alleviated and drive security is enhanced.

Description

technical field [0001] The invention relates to a tractor, in particular to a gear-shifting operating system for a tractor with front and rear driving steering wheels. Background technique [0002] Tractor is an important agricultural machine in rural areas. At present, most of the gear shifting systems of walking tractors use the long-arm hard rod to directly shift gears. When tractors with this gear shifting method have a cab or not, when turning left and right, the driver must follow the gear position. The gear can only be shifted by the swing of the rod, and if there is a cab, a large hole needs to be opened in the front, so that the driver is driving the tractor in a windy and rainy environment, which is easy to cause driving fatigue, high labor intensity, and very uncomfortable. Safety directly affects the life safety of the driver. Moreover, in such a gear-shifting method, the gear-shifting lever is easily deformed during use, which will cause the phenomenon of jump...

Claims

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Application Information

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IPC IPC(8): F16H59/02F16H63/32
Inventor 李文华黄启武覃朝锦
Owner 桂林同维汽车贸易有限公司
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