CN203488703U - Sliding gear shift positioning mechanism for tractor - Google Patents
Sliding gear shift positioning mechanism for tractor Download PDFInfo
- Publication number
- CN203488703U CN203488703U CN201320546385.2U CN201320546385U CN203488703U CN 203488703 U CN203488703 U CN 203488703U CN 201320546385 U CN201320546385 U CN 201320546385U CN 203488703 U CN203488703 U CN 203488703U
- Authority
- CN
- China
- Prior art keywords
- shaft
- rocker arm
- gear
- sliding gear
- driving
- 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.)
- Expired - Fee Related
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- Gear-Shifting Mechanisms (AREA)
Abstract
Disclosed is a sliding gear shift positioning mechanism for a tractor. The sliding gear shift positioning mechanism comprises a control handle, a control upper rocker arm, a support shaft, a longitudinal pull rod, a control lower rocker arm, a block piece, a rocker arm shaft, a sliding gear, a driving gear, a driving shaft, a spacer bush, a retainer ring, a positioning spring, a positioning steel ball, a gearbox casing, a slip shifter block, a front cover, an output shaft, and an engagement sleeve, wherein the gearbox casing is connected with the front cover, the driving shaft and the output shaft are simply supported on the gearbox casing and the front cover, the driving gear sleeves the driving shaft, the sliding gear, the spacer bush and the retainer ring sleeve the output shaft, the positioning spring and the positioning steel ball are sleeved by an output shaft positioning hole, the rocker arm shaft is sleeved by a gearbox casing positioning hole, the slip shifter block is positioned in a rocker arm shaft slip hole to be inserted into a sliding gear revolving groove, the control lower rocker arm is connected with the rocker arm shaft, the support shaft is fixed on the gearbox casing, the control upper rocker arm sleeves the support shaft, the longitudinal pull rod is hung between the control upper rocker arm and the control lower rocker arm, and the control handle is in screw joint with the control upper rocker arm.
Description
Technical field
The utility model belongs to tractor field, relates to a kind of used with tractor sliding gear gearshift positioning mechanism.
Background technique
At present, in the middle low power tractor of producing at home, the transmission system of large a part of type still adopts sliding gear gearshift, traces it to its cause, and is mainly that this mechanism structure is reliable, technique simple, cost is lower.Traditional sliding gear gearshift adopts shifting-fork gear-shifting structure more, by shifting fork bar positioning shift fork, the prong of shift fork is positioned on sliding gear, reciprocating by handling shifting fork bar, drive shift fork to stir sliding gear and realize gearshift action, simultaneously by being positioned at the spring on shifting fork bar, steel ball is realized the accurate location of each gear, the manufacturing process relative complex of shift fork and shifting fork bar in this structure, its machining accuracy, material stiffness, all too many levels such as assembly technology directly have influence on the gearshift reliability of sliding gear and the positioning precision of each gear, also be to be related to whether random gear to occur, off-gear, do not hang the direct factor of the faults such as gear or gear shifting force are large.
Model utility content
The purpose of this utility model is to provide that a kind of compact structure, handiness, use are reliable, the simple used with tractor sliding gear of manufacturing process gearshift positioning mechanism.
The utility model can be achieved through the following technical solutions above-mentioned purpose: used with tractor sliding gear gearshift positioning mechanism, comprising: Joystick, manipulation upper rocker arm, back shaft, longitudinal tie, manipulation lower shake-changing arm, catch, pitman arm shaft, sliding gear, driving gear, driving shaft, spacer, back-up ring, retaining spring, locking ball, gear box casing, the shifting block that trackslips, protecgulum, output shaft, engaging sleeve, gear box casing and protecgulum are fastenedly connected, driving shaft and output shaft pass through bearing freely-supported on gear box casing and protecgulum, driving gear is connected on driving shaft by spline housing, sliding gear, spacer and shield ring sleeve are connected on output shaft, retaining spring and locking ball are socketed in output shaft positioning hole, swing arm sleeve is connected in the positioning hole of gear box casing, the shifting block that trackslips is positioned at pitman arm shaft and trackslips in hole, and insert in sliding gear turning slot, catch is bolted on gear box casing, and be socketed on pitman arm shaft, handling lower shake-changing arm is connected on pitman arm shaft by cotter pin, back shaft is fixed on gear box casing, handling upper rocker arm is socketed on back shaft, longitudinal tie is articulated in to be handled upper rocker arm and handles between lower shake-changing arm, Joystick is screwed onto to be handled on upper rocker arm.
The utility model can reach following good effect after adopting technique scheme: adopt after the utility model, because positioning means is arranged in output shaft, thereby realized output shaft self poisoning function, and directly stir sliding gear by the shifting block that trackslips, saved shift fork and the shifting fork bar in conventional construction, simultaneously also without process shift fork axis hole and positioning hole on gearbox casing, related components and gearbox casing manufacturing procedure have been reduced, owing to adopting coaxial positioning, improved positioning precision, reduced random gear, off-gear, do not hang the probability that the faults such as gear occur, gear shifting force also decreases.
Accompanying drawing explanation
Fig. 1 is used with tractor sliding gear gearshift positioning mechanism structural representation in the utility model.
Fig. 2 is used with tractor sliding gear gearshift positioning mechanism A-A sectional view in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.As shown in Fig. 1～2, used with tractor sliding gear gearshift positioning mechanism, comprising: Joystick 1, manipulation upper rocker arm 2, back shaft 3, longitudinal tie 4, manipulation lower shake-changing arm 5, catch 6, pitman arm shaft 7, sliding gear 8, driving gear 9, driving shaft 10, spacer 11, back-up ring 12, retaining spring 13, locking ball 14, gear box casing 15, the shifting block 16 that trackslips, protecgulum 17, output shaft 18, engaging sleeve 19.Between gear box casing 15 and protecgulum 17, with fastening piece, be connected, driving shaft 10 and output shaft 18 pass through bearing freely-supported on gear box casing 15 and protecgulum 17, driving gear 9 by spline joint on driving shaft 10, sliding gear 8 by spline joint on output shaft 18, spacer 11 and back-up ring 12 are socketed on output shaft 18, retaining spring 13 and locking ball 14 are socketed in output shaft 18 positioning holes, pitman arm shaft 7 is socketed in the positioning hole of gear box casing 15, the shifting block 16 that trackslips is positioned at pitman arm shaft 7 and trackslips in hole, and insert in sliding gear 8 turning slots, catch 6 is bolted on gear box casing 15, and be socketed on pitman arm shaft 7, handling lower shake-changing arm 5 is connected on pitman arm shaft 7 by cotter pin, back shaft 3 is fixed on gear box casing 15, handle upper rocker arm 2 and be socketed in back shaft 3, longitudinal tie 4 is articulated in to be handled upper rocker arm 2 and handles between lower shake-changing arm 5, Joystick 1 is screwed onto to be handled on upper rocker arm 2.
During manipulation, when being pulled upwardly Joystick 1, handling upper rocker arm 2 is rotated counterclockwise along back shaft 3, by longitudinal tie 4, drive manipulation lower shake-changing arm 5 and pitman arm shaft 7 to be rotated counterclockwise, by the shifting block 16 that trackslips, stirring sliding gear 8 slides left, until locking ball 14 navigates in the right side annular groove of sliding gear 8, sliding gear 8, driving gear 9 flank of tooth are articulated, realization is put into gear.
When downward promotion Joystick 1, handling upper rocker arm 2 turns clockwise along back shaft 3, by longitudinal tie 4, drive manipulation lower shake-changing arm 5 and pitman arm shaft 7 to turn clockwise, by the shifting block 16 that trackslips, stirring sliding gear 8 slides to the right, until locking ball 14 navigates in the left side annular groove of sliding gear 8, sliding gear 8, driving gear 9 flank of tooth are thrown off, realize off-gear.
The utility model has been realized output shaft self poisoning function, save shift fork and the shifting fork bar in conventional construction, reduced related components and gearbox casing manufacturing procedure, improved positioning precision, reduced random gear, off-gear, extension and do not gone up the probability that the faults such as gear occur, gear shifting force also decreases.
Claims (1)
1. used with tractor sliding gear gearshift positioning mechanism, comprising: Joystick (1), manipulation upper rocker arm (2), back shaft (3), longitudinal tie (4), manipulation lower shake-changing arm (5), catch (6), pitman arm shaft (7), sliding gear (8), driving gear (9), driving shaft (10), spacer (11), back-up ring (12), retaining spring (13), locking ball (14), gear box casing (15), the shifting block that trackslips (16), protecgulum (17), output shaft (18), engaging sleeve (19), it is characterized in that: gear box casing (15) and protecgulum (17) are fastenedly connected, driving shaft (10) and output shaft (18) pass through bearing freely-supported on gear box casing (15) and protecgulum (17), driving gear (9) is connected on driving shaft (10) by spline housing, sliding gear (8), spacer (11) and back-up ring (12) are socketed on output shaft (18), retaining spring (13) and locking ball (14) are socketed in output shaft (18) positioning hole, pitman arm shaft (7) is socketed in the positioning hole of gear box casing (15), the shifting block (16) that trackslips is positioned at pitman arm shaft (7) and trackslips in hole, and insert in sliding gear (8) turning slot, catch (6) is bolted on gear box casing (15), and be socketed on pitman arm shaft (7), handling lower shake-changing arm (5) is connected on pitman arm shaft (7) by cotter pin, back shaft (3) is fixed on gear box casing (15), handling upper rocker arm (2) is socketed on back shaft (3), longitudinal tie (4) is articulated in to be handled upper rocker arm (2) and handles between lower shake-changing arm (5), Joystick (1) is screwed onto to be handled on upper rocker arm (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546385.2U CN203488703U (en) | 2013-09-04 | 2013-09-04 | Sliding gear shift positioning mechanism for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546385.2U CN203488703U (en) | 2013-09-04 | 2013-09-04 | Sliding gear shift positioning mechanism for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488703U true CN203488703U (en) | 2014-03-19 |
Family
ID=50259539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320546385.2U Expired - Fee Related CN203488703U (en) | 2013-09-04 | 2013-09-04 | Sliding gear shift positioning mechanism for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488703U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065658A (en) * | 2015-08-19 | 2015-11-18 | 合肥工业大学 | Slider oscillating bar gear shifting mechanism for electric vehicle two-gear automatic transmission |
| CN109084019A (en) * | 2018-06-22 | 2018-12-25 | 江苏沃得农业机械有限公司 | A kind of gear shifting structure of grain lifter gearbox |
| CN109654213A (en) * | 2018-12-25 | 2019-04-19 | 江苏林海动力机械集团有限公司 | A kind of double push-pull cable gearshifts of haulage vehicle |
| CN110657232A (en) * | 2019-10-22 | 2020-01-07 | 江苏沃得农业机械有限公司 | Shuttle type gear shifting control mechanism of tractor |
| CN117432798A (en) * | 2022-12-13 | 2024-01-23 | 江苏悦达智能农业装备有限公司 | Transfer case operating device |
-
2013
- 2013-09-04 CN CN201320546385.2U patent/CN203488703U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065658A (en) * | 2015-08-19 | 2015-11-18 | 合肥工业大学 | Slider oscillating bar gear shifting mechanism for electric vehicle two-gear automatic transmission |
| CN105065658B (en) * | 2015-08-19 | 2017-12-26 | 合肥工业大学 | A kind of sliding block swing rod shifter of electric automobile two-shift automatic speed variator |
| CN109084019A (en) * | 2018-06-22 | 2018-12-25 | 江苏沃得农业机械有限公司 | A kind of gear shifting structure of grain lifter gearbox |
| CN109654213A (en) * | 2018-12-25 | 2019-04-19 | 江苏林海动力机械集团有限公司 | A kind of double push-pull cable gearshifts of haulage vehicle |
| CN109654213B (en) * | 2018-12-25 | 2024-01-19 | 江苏林海动力机械集团有限公司 | Double push-pull rope gear shifting mechanism of transport vehicle |
| CN110657232A (en) * | 2019-10-22 | 2020-01-07 | 江苏沃得农业机械有限公司 | Shuttle type gear shifting control mechanism of tractor |
| CN110657232B (en) * | 2019-10-22 | 2024-09-10 | 江苏沃得农业机械有限公司 | Shuttle type gear shifting control mechanism of tractor |
| CN117432798A (en) * | 2022-12-13 | 2024-01-23 | 江苏悦达智能农业装备有限公司 | Transfer case operating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20180904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |