CN205155123U - Long -range operating mechanism of wheeled tractor gearbox - Google Patents

Long -range operating mechanism of wheeled tractor gearbox Download PDF

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Publication number
CN205155123U
CN205155123U CN201520973073.9U CN201520973073U CN205155123U CN 205155123 U CN205155123 U CN 205155123U CN 201520973073 U CN201520973073 U CN 201520973073U CN 205155123 U CN205155123 U CN 205155123U
Authority
CN
China
Prior art keywords
shifting
shaft
gearshift
gear
ball pivot
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.)
Withdrawn - After Issue
Application number
CN201520973073.9U
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Chinese (zh)
Inventor
曹卉
贾玲
张久稳
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.)
CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP Co Ltd
Original Assignee
CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP Co Ltd
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Filing date
Publication date
Application filed by CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP Co Ltd filed Critical CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP Co Ltd
Priority to CN201520973073.9U priority Critical patent/CN205155123U/en
Application granted granted Critical
Publication of CN205155123U publication Critical patent/CN205155123U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a long -range operating mechanism of wheeled tractor gearbox, include two at least declutch shift shafts and connect at the epaxial shift fork of each shift fork, the end connection of each declutch shift shaft has the corresponding shifting block of shifting, a shift the shifting block setting in the shifting block of shifting for stirring the shifting block of respectively shifting, the distal end at selector shaft is connected to the shifting block of shifting, the variable speed connecting piece is installed to selector shaft's near -end, selector shaft is horizontal at the declutch shift shaft with shift between the connecting axle, the far end connection of connecting axle of the shifting rocking arm of shifting, the near -end is connected with preceding connecting rod, the rocking arm of shifting is connected and is controlled selector shaft and move with the one end of variable speed connecting piece, the mid -mounting of connecting axle of shifting has the ball pivot spare of dribbling face, the mounting hole axial displacement of ball pivot spare can be followed to the connecting axle of shifting, the ball pivot seat that has the ball hole is connected with ball pivot spare, the connecting axle of shifting is swung for the ball pivot seat, the front end of connecting rod is in the front connected to the bottom of gear level, the utility model is simple and reasonable in structure, simple to operate can control the module of shifting of distal end.

Description

A kind of wheeled tractor gearbox remote control mechanism
Technical field
The utility model relates to a kind of wheeled tractor gearbox remote control mechanism, belongs to wheeled tractor transmission technology field.
Background technique
For big-and-middle-sized wheeled tractor, for meeting the function of multiple farm work and road transport, require that tractor transmission speed ratio excursion is large, the speed ratio change of tractor is controlled by speed changer.The gear shift mechanism of current tractor is formed primarily of gear level, gear shifting pulling head and declutch shift shaft and shift fork, by the action of maneuvering and control gear level, makes to be connected to the shifting block on the gear shifting pulling head manipulation declutch shift shaft of gear level far-end, realizes the switching of gear.Along with the band of speed changer is than the continuous increase changed, because of the spatial constraints by speed changer inside, gear level can not directly be arranged near gearshift module by gearshift, and cannot realize distance control relatively far away.
Summary of the invention
The purpose of this utility model is to provide a kind of simple and reasonable for structure, easy for installation, the wheeled tractor gearbox remote control mechanism that can handle the gearshift module of far-end.
The utility model is the technological scheme achieved the above object: a kind of wheeled tractor gearbox remote control mechanism, comprise at least two declutch shift shafts and be connected to the shift fork on each declutch shift shaft, the end of each declutch shift shaft is connected with corresponding gearshift shifting block, gear shifting pulling head for stirring each gearshift shifting block is arranged in gearshift shifting block, it is characterized in that: described gear shifting pulling head is connected to the far-end of shifting shaft, the near-end of shifting shaft is provided with speed change link, and shifting shaft is horizontal between declutch shift shaft and gearshift coupling shaft, the far-end of gearshift coupling shaft is connected with gear-shifting rocker arm, near-end is connected with front connecting rod, gear-shifting rocker arm is connected with one end of speed change link and controls shifting shaft action, the middle part of gearshift coupling shaft is provided with the ball pivot part of band sphere, and gearshift coupling shaft can move axially along the mounting hole of ball pivot part, the ball pivot seat with ball is connected with ball pivot part, gearshift coupling shaft can swing relative to ball pivot seat, the bottom of gear level is connected to the front end of front connecting rod.
The utility model adopts shifting shaft and gearshift connecting axle structure, and by horizontal for shifting shaft between declutch shift shaft and gearshift coupling shaft,, gear level by gearshift coupling shaft, gear-shifting rocker arm and speed change link be connected with shifting shaft, then change by what be connected to shifting shaft far-end the switching that shifting block realizes gear, gear level can be handled the gearshift module of far-end.The utility model gearshift coupling shaft is connected with ball pivot part, gearshift coupling shaft can be moved axially along ball pivot part, and ball pivot part is arranged on ball pivot seat, when ball pivot seat is arranged on casing, make ball pivot seat as fixed support, because ball pivot part can rotate in ball pivot seat, therefore the gearshift coupling shaft be connected on ball pivot part can be swung again relative to ball pivot seat, then the action of gearshift coupling shaft is controlled by gear level, drive gear-shifting rocker arm, speed change link makes shifting shaft move axially and to rotate, can shift gears again while block selecting with the gear shifting pulling head handling shifting shaft end, the utility model structure is simple, rationally, not by the restriction in speed changer space, gear level can be arranged in and can realize remote control gearshift away from gearshift module.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
Fig. 1 is the structural representation of a kind of wheeled tractor gearbox of the utility model remote control mechanism.
Fig. 2 is the structural representation that the utility model ball pivot seat and ball pivot part are arranged on gearshift coupling shaft.
Wherein: 1-shift fork, 2-declutch shift shaft, the 3-the first gearshift shifting block, 4-the second gearshift shifting block, the 5-the three gearshift shifting block, 6-gear shifting pulling head, 7-shifting shaft, 8-speed change link, 9-gear-shifting rocker arm, 10-ball pivot part, 11-ball pivot seat, 12-gearshift coupling shaft, 13-front connecting rod, 14-gear level.
Embodiment
As shown in Figure 1, a kind of wheeled tractor gearbox remote control mechanism of the present utility model, the shift fork 1 comprising at least two declutch shift shafts 2 and be connected on each declutch shift shaft 2, as shown in Figure 1, three declutch shift shafts 2 can be adopted, and three shift forks 1 are arranged on respective declutch shift shaft 2, corresponding gearshift shifting block is connected with in the end of each declutch shift shaft 2, when employing three declutch shift shafts 2, corresponding declutch shift shaft 2 end is connected with the first gearshift shifting block 3, second gearshift shifting block 4 and the 3rd gearshift shifting block 5, and the gear shifting pulling head 6 for stirring each gearshift shifting block is arranged in gearshift shifting block, gear shifting pulling head 6 is driven to operate each gearshift shifting block by shifting shaft 7, carry out block selecting and gearshift.
See shown in Fig. 1,2, the utility model gear shifting pulling head 6 is connected to the far-end of shifting shaft 7, the top of gear shifting pulling head 6 is provided with axle sleeve, bottom is provided with shifting block, to be sleeved on by the axle sleeve on gear shifting pulling head 6 on shifting shaft 7 and to be fixed by bearing pin, and is conveniently arranged on shifting shaft 7 by gear shifting pulling head 6.At the near-end of shifting shaft 7, speed change link 8 is installed, and shifting shaft 7 is horizontal between declutch shift shaft 2 and gearshift coupling shaft 12, and the shift fork 1 operated on far-end declutch shift shaft 2, the center line of each declutch shift shaft 2 of the utility model and the centerline parallel of gearshift coupling shaft 12, and the angle of the center line of the center line of shifting shaft 7 and gearshift coupling shaft 12 is at 90 ° ± 10 °, this angle can at 90 ° ± 5 °, the preferably center line of shifting shaft 7 and the central axis of declutch shift shaft 2 center line and coupling shaft 12 of shifting gears, to keep synchronization motion.
As shown in Figure 1, the far-end of the utility model gearshift coupling shaft 12 is connected with gear-shifting rocker arm 9, near-end is connected with front connecting rod 13, gear-shifting rocker arm 9 is connected with one end of speed change link 8 and controls shifting shaft 7 action, it is of the present utility model that gear-shifting rocker arm 9 top has axle sleeve, bottom has bulb, axle sleeve on gear-shifting rocker arm 9 be sleeved on gearshift coupling shaft 12 on and fixed by radial peg, convenient being arranged on by gear-shifting rocker arm 9 is shifted gears on coupling shaft 12, and the bulb of gear-shifting rocker arm 9 is then arranged in the mounting hole of front connecting rod.As shown in Figure 1, the utility model speed change link 8 also comprise superior posterior axle sleeve and by the connecting base of chamfered transition to front bottom, the axle sleeve of speed change link 8 to be sleeved on gearshift coupling shaft 12 and to be fixed by radial peg, connecting base is provided with mounting hole, the center line of axle sleeve and the mounting hole vertical and intersectant centerline of connecting base.
See Fig. 1, shown in 2, the middle part of the utility model gearshift coupling shaft 12 is provided with the ball pivot part 10 of band sphere, gearshift coupling shaft 12 can move axially along the mounting hole of ball pivot part 10, the ball pivot seat 11 with ball is connected with ball pivot part 10, gearshift coupling shaft 12 can swing relative to ball pivot seat 11, ball pivot seat 11 can be arranged on gearbox by the utility model, because ball pivot part 10 can rotate in ball pivot seat 11, therefore gearshift coupling shaft 12 can be swung for fulcrum with ball pivot seat 11, the bottom of gear level 14 is connected to the front end of front connecting rod 13, as shown in Figure 1, the utility model front connecting rod 13 superior posterior has axle sleeve and by the connecting base of chamfered transition to front bottom, axle sleeve on front connecting rod 13 be sleeved on gearshift coupling shaft 12 on and fixed by radial peg, connecting base is provided with ball, bulb bottom gear level 14 is arranged in the ball of connecting base, driven front connecting rod 13 action by gear level 14 and carry out selection and the switching of gear.The top of gear level 14 of the present utility model also has variable speed operation handle, controls gear level 14 action by handling variable speed operation handle.
As shown in Figure 1, driver pull speed-changing operating handle drive gear level 14 as shown in Figure 1 left and right directions swing time, then stir front connecting rod 13 also to swing, make to be connected to gearshift coupling shaft 12 on front connecting rod 13 using ball pivot seat 11 as fixed support, ball pivot part 10 is rotated in ball pivot seat 11, thus make gearshift coupling shaft 12 with ball pivot seat 11 for a spot wobble, the gear-shifting rocker arm 9 of gearshift coupling shaft 12 far-end is vacillated now to the left, now to the right, then drive speed change link 8 and shifting shaft 7 to move axially, the gear shifting pulling head 6 being arranged on shifting shaft 7 far-end moves vertically simultaneously; As shown in Figure 1, when gear level 14 swing, drive front connecting rod 13 and move with fore-and-aft direction while of gearshift coupling shaft 12, the mounting hole of gearshift coupling shaft 12 in the middle of ball pivot part 10 is slid axially, the gear-shifting rocker arm 9 of gearshift coupling shaft 12 far-end also moves with gearshift coupling shaft 12 fore-and-aft direction, and drive the front end edge fore-and-aft direction of speed change link 8 to swing, shifting shaft 7 is rotated, the gear shifting pulling head 6 being arranged on shifting shaft 7 end swings along with the swing of shifting shaft 7, thus gear shifting pulling head 6 can be shifted gears again while block selecting.

Claims (5)

1. a wheeled tractor gearbox remote control mechanism, comprise at least two declutch shift shafts (2) and be connected to the shift fork (1) on each declutch shift shaft (2), the end of each declutch shift shaft (2) is connected with corresponding gearshift shifting block, gear shifting pulling head (6) for stirring each gearshift shifting block is arranged in gearshift shifting block, it is characterized in that: described gear shifting pulling head (6) is connected to the far-end of shifting shaft (7), the near-end of shifting shaft (7) is provided with speed change link (8), and shifting shaft (7) is horizontal between declutch shift shaft (2) and gearshift coupling shaft (12), the far-end of gearshift coupling shaft (12) is connected with gear-shifting rocker arm (9), near-end is connected with front connecting rod (13), gear-shifting rocker arm (9) is connected with one end of speed change link (8) and controls shifting shaft (7) action, the middle part of gearshift coupling shaft (12) is provided with the ball pivot part (10) of band sphere, and gearshift coupling shaft (12) can move axially along the mounting hole of ball pivot part (10), the ball pivot seat (11) with ball is connected with ball pivot part (10), gearshift coupling shaft (12) can swing relative to ball pivot seat (11), the bottom of gear level (14) is connected to the front end of front connecting rod (13).
2. a kind of wheeled tractor gearbox remote control mechanism according to claim 1, it is characterized in that: the center line of described each declutch shift shaft (2) and the centerline parallel of gearshift coupling shaft (12), and the angle of the center line of the center line of shifting shaft (7) and gearshift coupling shaft (12) is at 90 ° ± 10 °.
3. a kind of wheeled tractor gearbox remote control mechanism according to claim 1, it is characterized in that: described front connecting rod (13) superior posterior has axle sleeve and by the connecting base of chamfered transition to front bottom, axle sleeve on front connecting rod (13) is sleeved on gearshift coupling shaft (12) and goes up and fixed by radial peg, connecting base is provided with ball, and the bulb of gear level (14) bottom is arranged in the ball of connecting base.
4. a kind of wheeled tractor gearbox remote control mechanism according to claim 1, it is characterized in that: described gear-shifting rocker arm (9) top has the bulb of axle sleeve, bottom, the axle sleeve of gear-shifting rocker arm (9) is sleeved on gearshift coupling shaft (12) and goes up and fixed by radial peg, and the bulb of gear-shifting rocker arm (9) is arranged in the mounting hole of speed change link (8).
5. a kind of wheeled tractor gearbox remote control mechanism according to claim 1 or 4, it is characterized in that: described speed change link (8) part comprise superior posterior axle sleeve and by the connecting base of chamfered transition to front bottom, the axle sleeve of speed change link (8) is sleeved on shifting shaft (7) and goes up and fixed by radial peg, connecting base is provided with mounting hole, and the center line of described axle sleeve connects with the central axis of the mounting hole of connecting base.
CN201520973073.9U 2015-11-30 2015-11-30 Long -range operating mechanism of wheeled tractor gearbox Withdrawn - After Issue CN205155123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520973073.9U CN205155123U (en) 2015-11-30 2015-11-30 Long -range operating mechanism of wheeled tractor gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520973073.9U CN205155123U (en) 2015-11-30 2015-11-30 Long -range operating mechanism of wheeled tractor gearbox

Publications (1)

Publication Number Publication Date
CN205155123U true CN205155123U (en) 2016-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520973073.9U Withdrawn - After Issue CN205155123U (en) 2015-11-30 2015-11-30 Long -range operating mechanism of wheeled tractor gearbox

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105333136A (en) * 2015-11-30 2016-02-17 常州东风农机集团有限公司 Roller tractor speed changing box remote-operating mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105333136A (en) * 2015-11-30 2016-02-17 常州东风农机集团有限公司 Roller tractor speed changing box remote-operating mechanism

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160413

Effective date of abandoning: 20171229