CN201561109U - Tractor differential with self-locking device - Google Patents
Tractor differential with self-locking device Download PDFInfo
- Publication number
- CN201561109U CN201561109U CN2009202549075U CN200920254907U CN201561109U CN 201561109 U CN201561109 U CN 201561109U CN 2009202549075 U CN2009202549075 U CN 2009202549075U CN 200920254907 U CN200920254907 U CN 200920254907U CN 201561109 U CN201561109 U CN 201561109U
- Authority
- CN
- China
- Prior art keywords
- shell
- gear
- steering
- differential
- bevel gear
- 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
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model relates to a tractor differential, in particular to a tractor differential with a self-locking device. The tractor differential solves the problems of easy separation of self-locking parts of the existing tractor differential with the self-locking device due to unreasonable structure design, and comprises a steering shaft and a shell, wherein the steering shaft is sequentially sheathed with a left steering gear, a left bevel gear, a right bevel gear and a right steering gear; the shell consists of a left shell and a right shell which are sheathed on the steering shaft; the left shell or the right shell is provided with a big transmission gear ring; the shell is internally provided with a planetary gear which is supported on the shell and simultaneously meshed with the left bevel gear and the right bevel gear positioned in the shell; the left shell and the right shell are sheathed with differential locking disks which are in toothspace fit with the left shell and the right shell; a driving disc sheathed on the steering shaft is respectively arranged between the left bevel gear and the left steering gear as well as between the right bevel gear and the right steering gear; the driving discs and the bevel gears as well as the steering gears are in toothspace fit; the excircle surfaces of the driving discs are provided with convex teeth which are distributed at intervals.
Description
Technical field
The utility model relates to differential mechanism, and particularly the tractor differential mechanism is specially the tractor differential mechanism that has self-locking device.
Background technique
The tractor differential mechanism comprises steering shaft, be with the left steering gear on the steering shaft successively, left angular wheel, right bevel gear, the right steering gear, right bevel gear and right steering gear, the butt joint end face of left angular wheel and left steering gear is provided with the teeth groove structure that is connected and (promptly all is provided with double wedge spaced apart on the opposing end surface of bevel gear and steering gear, form groove between each double wedge, teeth groove each other cooperatively interacts), to realize connection transmission between the two, also comprise by a left side that is enclosed within on the steering shaft, the shell that right shell body constitutes, left shell or right shell body are provided with the transmission bull gear, on a left side, be provided with in the shell that right shell body constitutes and be supported on the shell and a while and a left side that is positioned at shell, right bevel gear planet gear meshed.The patent No. is that 200820070372.1 utility model patent discloses a kind of lock ring type double-acting central authorities transmission differential mechanism, it be at left angular wheel and have be provided with between the shell of transmission bull gear one can about the differential lock collar of stirring, when the differential lock collar is in unlocked position, differential mechanism plays normal differential action, when the dish with lock of being on duty is in locked position, be that left angular wheel is one with the shell that has the transmission bull gear by differential lock collar lock, at this moment each parts of differential mechanism form the effect that an integral body only plays the moment of torsion that transmits the input of transmission gearwheel.The central transmission differential mechanism of this lock ring type double-acting, because its latching member---the differential lock collar is located on the left angular wheel, the differential lock collar is thrown off easily, makes the self-locking failure.
Summary of the invention
The utility model is unreasonable because of structural design in order to solve the existing tractor differential mechanism that has a self-locking device, and the problem that latching member is thrown off easily provides the tractor differential mechanism that has self-locking device of a kind of reasonable in design, reliable operation.
The utility model is to adopt following technological scheme to realize: the tractor differential mechanism that has self-locking device, comprise steering shaft, be with the left steering gear on the steering shaft successively, left angular wheel, right bevel gear, the right steering gear, also comprise by a left side that is enclosed within on the steering shaft, the shell that right shell body constitutes, left shell or right shell body are provided with the transmission bull gear, on a left side, be provided with in the shell that right shell body constitutes and be supported on the shell and a while and a left side that is positioned at shell, right bevel gear planet gear meshed, on a left side, be with on the right shell body and a left side, right shell body flexibly connects the differential lock collar of (can move left and right), the internal circular surfaces of differential lock collar and a left side, cooperate (promptly on the internal circular surfaces and the left side of differential lock collar for teeth groove between the right shell body outer round surface, all be provided with double wedge spaced apart on the right shell body outer round surface, form groove between each double wedge, teeth groove each other cooperatively interacts, left like this, right shell body can drive the differential lock collar by the teeth groove cooperation and together rotate), left angular wheel and left steering gear, be respectively equipped with the drive plate that is placed on the steering shaft between right bevel gear and the right steering gear, cooperate for teeth groove between drive plate and bevel gear and the steering gear, the outer round surface of drive plate is provided with double wedge spaced apart, makes between the internal circular surfaces of differential lock collar and the drive plate outer round surface to opening, the teeth groove that closes cooperates.But described differential lock collar power outside drives move left and right down, when state that the internal circular surfaces and the teeth groove cooperating structure between the drive plate outer round surface of differential lock collar is in out, differential mechanism plays normal differential action, and promptly right, left steering gear is realized differential-speed dynamic output; When the internal circular surfaces of differential lock collar and the teeth groove cooperating structure between the drive plate outer round surface were in the state that closes, each parts of differential mechanism formed the effect that an integral body only plays the moment of torsion that transmits the input of transmission bull gear.As required can be only with an end self-locking of differential mechanism, promptly a differential lock collar with a side is in the state that closes.
The tractor differential mechanism that has a self-locking device described in the utility model is with latching member---and the differential lock collar is arranged between left and right housing and the left and right drive plate, and structural design is more reasonable, and the differential lock collar is not easy to throw off, and makes reliable operation, processing ease.This tractor differential mechanism that has self-locking device can be realized two ends self-locking simultaneously, also can realize an end self-locking.
Description of drawings
Fig. 1 is the structural representation that has the tractor differential mechanism of self-locking device described in the utility model;
Among the figure: 1-steering shaft, 2-left steering gear, 3-left angular wheel, the right bevel gear of 4-, 5-right steering gear, 6-left shell, the 7-right shell body, 8-transmission bull gear, 9, the 10-planetary pinion, 11,12-differential lock collar, 13, the 14-drive plate, 15-fork bar, the 16-dwang, the 17-rotating shaft, 18-spring, 19-double wedge.
Embodiment
The tractor differential mechanism that has self-locking device, comprise steering shaft 1, be with left steering gear 2 on the steering shaft successively, left angular wheel 3, right bevel gear 4, right steering gear 5, also comprise by a left side that is enclosed within on the steering shaft, right shell body 6,7 shells that constitute, left shell 6 or right shell body 7 are provided with transmission bull gear 8, on a left side, right shell body 6, being provided with in 7 shells that constitute is supported on the shell and a while and a left side that is positioned at shell, right bevel gear 3,4 planet gear meshed 9,10, on a left side, right shell body 6, be with on 7 and a left side, right shell body flexibly connects the differential lock collar 11 of (can move left and right), 12, differential lock collar 11, an internal circular surfaces of 12 and a left side, right shell body 6, cooperate (promptly on the internal circular surfaces and the left side of differential lock collar for teeth groove between 7 outer round surface, all be provided with double wedge spaced apart on the right shell body outer round surface, form groove between each double wedge, teeth groove each other cooperatively interacts, left like this, right shell body can drive the differential lock collar by the teeth groove cooperation and together rotate), left angular wheel 3 and left steering gear 2, be respectively equipped with the drive plate 13 that is placed on the steering shaft between right bevel gear 4 and the right steering gear 5,14, drive plate 13,14 with bevel gear and steering gear between cooperate for teeth groove, drive plate 13,14 outer round surface is provided with double wedge spaced apart 19, makes between the internal circular surfaces of differential lock collar and the drive plate outer round surface to opening, the teeth groove that closes cooperates.
This tractor differential mechanism that has self-locking device also comprises the driving mechanism of differential lock collar, and driving mechanism comprises fork bar 15, dwang 16 and the rotating shaft 17 that is connected with the differential lock disk activity, and fork bar 15 and dwang 16 are fixing with rotating shaft 17 respectively.For realizing the flexible connection between differential lock collar and the fork bar 15, on the differential lock collar bulge loop or annular recess need be set, make the end of fork bar 15 snap in bulge loop or insert annular recess, to realize the flexible connection between differential lock collar and the fork bar, spring 18 1 ends are connected on the dwang 16, the other end (work) is fixed on outside the gear box, finally realizes opening and closing of differential lock collar.
During concrete the use, this tractor differential mechanism that has self-locking device is fixed in the gearbox of tractor, steering shaft 1 two ends of differential mechanism through bearings on gear box, on gear box, it is inside and outside that fork bar 15 and dwang 16 lay respectively at gear box through bearings in rotating shaft 17 in the driving mechanism.Rotate dwang 16 when needing, rotating shaft 17 is rotated, rotating shaft 17 drives fork bars 15 and rotates, and moves to the drive plate direction thereby drive the differential lock collar, realizes that the differential lock collar cooperates with teeth groove between the drive plate, promptly realizes self-locking.When needing to break away from self-locking, backward rotation dwang 16 gets final product.
Claims (3)
1. tractor differential mechanism that has self-locking device, comprise steering shaft (1), be with left steering gear (2) on the steering shaft successively, left angular wheel (3), right bevel gear (4), right steering gear (5), also comprise by a left side that is enclosed within on the steering shaft, right shell body (6,7) shell of Gou Chenging, left shell (6) or right shell body (7) are provided with transmission bull gear (8), on a left side, right shell body (6,7) be provided with in the shell of Gou Chenging and be supported on the shell and simultaneously and a left side that is positioned at shell, right bevel gear (3,4) planet gear meshed (9,10), it is characterized by: on a left side, right shell body (6,7) be with on and a left side, the differential lock collar (11 that right shell body flexibly connects, 12), differential lock collar (11,12) a internal circular surfaces and a left side, right shell body (6,7) cooperate for teeth groove between the outer round surface, left angular wheel (3) and left steering gear (2), be respectively equipped with the drive plate (13 that is placed on the steering shaft between right bevel gear (4) and the right steering gear (5), 14), drive plate (13,14) with between bevel gear and the steering gear cooperate for teeth groove, drive plate (13,14) outer round surface is provided with double wedge spaced apart (19), makes between the internal circular surfaces of differential lock collar and the drive plate outer round surface to opening, the teeth groove that closes cooperates.
2. the tractor differential mechanism that has self-locking device as claimed in claim 1, it is characterized by: the driving mechanism that also comprises the differential lock collar, driving mechanism comprises fork bar (15), dwang (16) and the rotating shaft (17) that is connected with the differential lock disk activity, and fork bar (15) and dwang (16) are fixing with rotating shaft (17) respectively.
3. the tractor differential mechanism that has self-locking device as claimed in claim 2 is characterized by: bulge loop or annular recess are set on the differential lock collar, and the end of fork bar (15) snaps in bulge loop or inserts annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202549075U CN201561109U (en) | 2009-12-03 | 2009-12-03 | Tractor differential with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202549075U CN201561109U (en) | 2009-12-03 | 2009-12-03 | Tractor differential with self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561109U true CN201561109U (en) | 2010-08-25 |
Family
ID=42626253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202549075U Expired - Fee Related CN201561109U (en) | 2009-12-03 | 2009-12-03 | Tractor differential with self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221077A (en) * | 2011-06-09 | 2011-10-19 | 汪大汪 | Automatic differential mechanism of change gear case for tractor |
| CN105134880A (en) * | 2015-07-01 | 2015-12-09 | 王丽 | Self-locking type gear drive mechanism |
-
2009
- 2009-12-03 CN CN2009202549075U patent/CN201561109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221077A (en) * | 2011-06-09 | 2011-10-19 | 汪大汪 | Automatic differential mechanism of change gear case for tractor |
| CN105134880A (en) * | 2015-07-01 | 2015-12-09 | 王丽 | Self-locking type gear drive mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100167862A1 (en) | Power-dividing gear train assembly for motor vehicles | |
| CN107110232A (en) | Clutch pack and the drive component with clutch pack | |
| CN104913021A (en) | Planetary differential variable-speed shaft and planetary variable-speed system | |
| CN204828504U (en) | RV reduction gear for robot of two kinds of output forms | |
| CN201561109U (en) | Tractor differential with self-locking device | |
| GB2475888A (en) | Differential lock actuator | |
| US20050054471A1 (en) | Drive axle assembly and differential | |
| WO2008034572A1 (en) | Differential gear unit for motor vehicles having controllable driving power distribution | |
| CN102758881A (en) | Mechanical grouped worm and worm gear transmission device | |
| CN103620262A (en) | Power transmission apparatus | |
| US9046168B2 (en) | Device for actuating a valve | |
| US6464032B1 (en) | Worm drive axle traction assembly | |
| CN215596310U (en) | Seat motor assembly | |
| CN201763893U (en) | Speed changing box | |
| US6523430B1 (en) | Power take-off unit with gearset | |
| CN202017749U (en) | Worm gear driving device with hydraulic power worm group | |
| CN206694508U (en) | A kind of planet wheel decelerator rear axle | |
| CN210206721U (en) | Driving mechanism of revolution agitator | |
| CN210218579U (en) | Double-clutch double-output gearbox | |
| CN204327875U (en) | A kind of harvester gear box | |
| CN201115785Y (en) | Remote-controlled unicycle | |
| CN218031291U (en) | Driving device with clutch structure and intelligent door lock | |
| CN203686054U (en) | Differential gear assembly and torque transfer device | |
| CN201884566U (en) | Speed reducer for cement mixer | |
| CN200974466Y (en) | Wheel-type tractor rear axle half-axle and driving shaft transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20111203 |