CN103557318A - Gear shifting mechanism of tractor - Google Patents

Gear shifting mechanism of tractor Download PDF

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Publication number
CN103557318A
CN103557318A CN201310572900.9A CN201310572900A CN103557318A CN 103557318 A CN103557318 A CN 103557318A CN 201310572900 A CN201310572900 A CN 201310572900A CN 103557318 A CN103557318 A CN 103557318A
Authority
CN
China
Prior art keywords
slide bar
speed change
declutch shift
shift shaft
tractor
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
CN201310572900.9A
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Chinese (zh)
Inventor
任建伟
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201310572900.9A priority Critical patent/CN103557318A/en
Publication of CN103557318A publication Critical patent/CN103557318A/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
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
    • 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
    • F16H59/04—Ratio selector apparatus
    • F16H59/041—Ratio selector apparatus consisting of a final output mechanism, e.g. ratio selector being directly linked to a shiftfork
    • 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
    • F16H2059/026—Details or special features of the selector casing or lever support

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

The invention discloses a gear shifting mechanism of a tractor. The gear shifting mechanism comprises shift fork shafts mounted in the casing of a gearbox, and shift forks mounted on the shift fork shafts, and is characterized in that the shift fork shafts are mounted on the side surface of a transmission shaft and in the gearbox in an axial sliding way; shifting blocks are arranged on the shift fork shafts; sliding rods which are arranged in parallel with the shift fork shafts are mounted on the side surface of the gearbox in the axial sliding way; shift levers are fixedly mounted on the sliding rods, and are vertical to the sliding rods; the top ends of the shift levers are mounted in the shifting blocks; one ends of the sliding rods are in transmission connection with gear shift levers through connecting devices. The gear shifting mechanism is mounted on the side surface of the casing of the gearbox, so that the upper space is not occupied, the structure is compact, the operation is convenient, the design of the whole tractor is facilitated, and the height of the whole tractor is reduced.

Description

Tractor shifting mechanism
Technical field
The present invention relates to gearshift, specifically, relate to tractor shifting mechanism.
Background technique
The gearshift of tractor comprises shift fork, declutch shift shaft and speed change lever, normally shift fork, declutch shift shaft are arranged in gear box casing, the top of transmission shaft, by the driving lever being connected with speed change lever, inject in the shifting block on declutch shift shaft, the shifting slide gear that driving lever promotion declutch shift shaft drives shift fork to promote to be positioned on transmission shaft by declutch shift shaft again moves around, mesh from different gears respectively, reach and change the direction of power output and the object of speed.
Adopt the gearbox of this overhead type gearshift to increase gearbox height, loosely organized, inconvenient operation.
Summary of the invention
The object of this invention is to provide a kind of compact structure, easy to operate tractor shifting mechanism.
For addressing the above problem, the technical solution adopted in the present invention is:
Tractor shifting mechanism, comprises the declutch shift shaft being arranged in gear box casing, is arranged on the shift fork on declutch shift shaft, it is characterized in that: declutch shift shaft with axially slidably mode be arranged in gearbox, the side of transmission shaft, on declutch shift shaft, be provided with shifting block.Connection set between slide bar and speed change lever comprises the drive link being arranged between slide bar and speed change lever, one end of drive link is connected with slide bar by hinge, the other end of drive link is connected with speed change lever by universal joint, separately there is the slide bar be arrangeding in parallel with declutch shift shaft in axial slidably mode, to be arranged on the side of gearbox, on slide bar, be installed with driving lever, driving lever is vertical with slide bar, and the top of driving lever is arranged in shifting block; One end of slide bar is in transmission connection by connection set and speed change lever.
As a kind of improvement:
Connection set between described slide bar and speed change lever comprises the drive link being arranged between slide bar and speed change lever, and one end of drive link is connected with slide bar by hinge, and the other end of drive link is connected with speed change lever by universal joint.
After adopting said structure, gearshift is arranged on the side of gear box casing, does not take upper space, and compact structure, easy to operate is convenient to car load design, reduces the height of car load.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described:
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is that the B of Fig. 1 is to structural representation;
Fig. 4 is the partial sectional view of declutch shift shaft and shift fork part;
Fig. 5 is the rear view of Fig. 4.
In figure: 1,15 is speed change lever; 11,12 is drive link; 4,10 is hinge; 3,13 is universal joint; 21,20,19,18 is declutch shift shaft; 22,23,25,27 is shift fork; 16,24,26,17 is shifting block; 6,8 is slide bar; 5,9 is driving lever; 7 is gear box casing; 2,14 is fixed hinge.
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Embodiment
Embodiment: as shown in drawings, tractor shifting mechanism, comprises the declutch shift shaft 21,20 being arranged in gear box casing 7, is arranged on the shift fork 22,23,25,27 on declutch shift shaft 21,20,19,18.As shown in Figure 4, Figure 5, declutch shift shaft 21,20,19,18 with axially slidably mode be arranged in gear box casing 7, the side of transmission shaft, on declutch shift shaft 21,20,19,18, be provided with shifting block 16,24,26,17.
As shown in Figure 1, Figure 3, separately there is the slide bar 6,8 be arrangeding in parallel with declutch shift shaft 21,20,19,18 in axial slidably mode, to be arranged on the side of gear box casing 7, on slide bar 6,8, be installed with driving lever 5,9, driving lever 5,9 is vertical with slide bar 6,8, and the top of driving lever 5,9 is arranged in shifting block 16,24,26,17; One end of slide bar 6,8 is in transmission connection by connection set and speed change lever 1,15, and speed change lever 1,15 is connected on tractor body by fixed hinge 2,14.Because slide bar 6,8 and declutch shift shaft 21,20,19,18 be arranged in parallel, as long as therefore take the lateral space of gear box casing 7 seldom.
As Fig. 1, shown in Fig. 3, slide bar 6, 8 with speed change lever 1, connection set between 15 comprises and is arranged on slide bar 6, 8 with speed change lever 1, drive link 11 between 15, 12, drive link 11, one end of 12 is by hinge 4, 10 with slide bar 6, 8 connect, drive link 11, 12 the other end is by universal joint 3, 13 with speed change lever 1, 15 connect, universal joint 3, on 13, be at least provided with two orthogonal hinges, one of them hinge and slide bar 6, 8 connect, another hinge and drive link 11, 12 connect, can make drive link 11 like this, 12 with slide bar 6, direction of relative movement between 8 has two at least.
For clarity, the particular location and the shape that in accompanying drawing, do not draw transmission shaft and be arranged on the gear on transmission shaft, but the omission of these known technologies does not hinder those skilled in the art's the understanding of the present invention.
During use, operator is double swerve speed change lever 1,15 first, and the effect by drive link 11,12 makes slide bar 6,8 rotations, and the top of driving lever 5,9 is injected in suitable shifting block position; And then front and back promote speed change lever 1,15, effect by drive link 11,12 is slided slide bar 6,8 front and back, before and after just driving corresponding declutch shift shaft by driving lever 5,9 when slide in slide bar 6,8 front and back, slide, declutch shift shaft promotes gear by corresponding shift fork again and moves, and reaches the object of conversion gear.

Claims (2)

1. tractor shifting mechanism, comprise the declutch shift shaft (21 being arranged in gear box casing (7), 20), be arranged on declutch shift shaft (21, 20, 19, 18) shift fork (22 on, 23, 25, 27), it is characterized in that: declutch shift shaft (21, 20, 19, 18) with axially slidably mode be arranged in gear box casing (7), the side of transmission shaft, declutch shift shaft (21, 20, 19, 18) on, be provided with shifting block (16, 24, 26, 17), separately have and declutch shift shaft (21, 20, 19, 18) slide bar (6 be arrangeding in parallel, 8) with axially slidably mode be arranged on the side of gear box casing (7), slide bar (6, 8) on, be installed with driving lever (5, 9), driving lever (5, 9) with slide bar (6, 8) vertical, driving lever (5, 9) top is arranged on shifting block (16, 24, 26, 17) in, slide bar (6, 8) one end is by connection set and speed change lever (1, 15) be in transmission connection.
2. tractor shifting mechanism according to claim 1, it is characterized in that: the connection set between described slide bar (6,8) and speed change lever (1,15) comprises the drive link (11,12) being arranged between slide bar (6,8) and speed change lever (1,15), one end of drive link (11,12) is connected with slide bar (6,8) by hinge (4,10), and the other end of drive link (11,12) is connected with speed change lever (1,15) by universal joint (13,3).
CN201310572900.9A 2013-11-08 2013-11-08 Gear shifting mechanism of tractor Pending CN103557318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310572900.9A CN103557318A (en) 2013-11-08 2013-11-08 Gear shifting mechanism of tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310572900.9A CN103557318A (en) 2013-11-08 2013-11-08 Gear shifting mechanism of tractor

Publications (1)

Publication Number Publication Date
CN103557318A true CN103557318A (en) 2014-02-05

Family

ID=50011643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310572900.9A Pending CN103557318A (en) 2013-11-08 2013-11-08 Gear shifting mechanism of tractor

Country Status (1)

Country Link
CN (1) CN103557318A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963640A (en) * 2014-05-06 2014-08-06 江苏云马农机制造有限公司 Agricultural gear-shifting manipulator
CN117128311A (en) * 2023-10-20 2023-11-28 山东亿嘉农业机械装备股份有限公司 Tractor main and auxiliary gear box operating mechanism assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963640A (en) * 2014-05-06 2014-08-06 江苏云马农机制造有限公司 Agricultural gear-shifting manipulator
CN103963640B (en) * 2014-05-06 2016-05-25 江苏云马农机制造有限公司 A kind of agricultural shift control device
CN117128311A (en) * 2023-10-20 2023-11-28 山东亿嘉农业机械装备股份有限公司 Tractor main and auxiliary gear box operating mechanism assembly
CN117128311B (en) * 2023-10-20 2023-12-29 山东亿嘉农业机械装备股份有限公司 Tractor main and auxiliary gear box operating mechanism assembly

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Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140205

WD01 Invention patent application deemed withdrawn after publication