CN205326798U - Take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle - Google Patents
Take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle Download PDFInfo
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- CN205326798U CN205326798U CN201620073003.2U CN201620073003U CN205326798U CN 205326798 U CN205326798 U CN 205326798U CN 201620073003 U CN201620073003 U CN 201620073003U CN 205326798 U CN205326798 U CN 205326798U
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Abstract
The utility model discloses a take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle belongs to tractor accessory technical field, and its structure includes main deceleration box assembly, left half axle casing, left final drive case assembly, right semi -axis casing and right final drive case assembly, main deceleration box assembly's left end and left half axle housing body coupling, the internal left half axle of installing of left half axle housing, the left end of left half axle casing is connected with left final drive case assembly through connecting the lid, main deceleration box assembly's right -hand member and right semi -axis casing are connected, install right semi -axis in the right semi -axis casing, and the right -hand member of right semi -axis casing is connected with right final drive case assembly through connecting the lid. The utility model discloses great limited -slip ability can be provided, handling capacity and the performance of whole bridge under abominable operating mode is promoted, improve the general type of spare part, controlled the manufacturing cost of whole bridge, satisfied the needs of tractor operation under different work condition, tractor front -wheel drive axle's performance and reliability have further been promoted.
Description
Technical field
This utility model relates to tractor part technical field, specifically a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw。
Background technology
Differential mechanism is the vitals in drive axle, its major function is that the left and right driving wheel making drive axle has the differential that running movement is required, and power is distributed to left and right driving wheel, when tractor turning driving, if axle device without differential between left and right driving is taken turns, or differential mechanism pinned completely, then according to kinematic require known, the outboard wheels of stroke length will be attended by sliding, and the short inboard wheel of stroke will be attended by and trackslip。Thus cause each generation one additional drag in the tangential direction of left and right driving wheel, and their action direction is contrary。At this moment between left and right driving wheel equipped with differential mechanism time, the moment that then additional drag is formed makes differential mechanism play differential action, in order to avoid medial and lateral drive wheel produce sliding on the ground and trackslip, it is ensured that they are to meet the different angular velocity normal rotation of kinesiology requirement。Obviously, when differential mechanism works, if wherein the frictional force of each part relative motion is big, then the moment of its twisting is just big。In common symmetrical expression cone planetary gear differential mechanism, this frictional force is only small, therefore the distance slightly difference that left and right wheel is walked, differential mechanism is just started working, but " the not poor torsion of differential " of open differential have impact on to a certain extent car load by property, traction property。The problem that the appearance of differential lock solves the power transmission that automobile occurs when single wheel skids, effect is when a driving wheel skids, by integral to differential carrier and half shaft locking, differential mechanism is made to lose differential action, it is possible to all torsion torque is transferred on opposite side driving wheel。But the front drive axle of tractor equipped with differential lock is breakneck when tempo turn, it is easy to cause toppling of tractor。
Summary of the invention
Technical assignment of the present utility model is for above weak point, it is provided that a kind of rational in infrastructure, a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw that production cost is low, reliable。
This utility model solves its technical problem and be the technical scheme is that this front drive axle of tractor includes main speed reduction box assembly, left half axle housing, left-end point transmission case assembly, right axle shaft housing and right final drive box assembly；The left end of main speed reduction box assembly is connected with left half axle housing, is provided with left half axle in left half axle housing body, and the left end of left half axle housing is connected with left-end point transmission case assembly by connecting lid；The right-hand member of main speed reduction box assembly is connected with right axle shaft housing, is provided with right axle shaft in right axle shaft housing, and the right-hand member of right axle shaft housing is connected with right final drive box assembly by connecting lid；
Described main speed reduction box assembly includes main speed reduction box housing, cylindrical screw tooth-like limited-slip differential assembly is installed between left half axle and the right axle shaft in main speed reduction box housing, the right side of cylindrical screw tooth-like limited-slip differential assembly is provided with driven spiral reduction gearing, and driven spiral reduction gearing engages with the active spiral reduction gearing of rear side；The installed in front of main speed reduction box housing has cylinder shield, is provided with hydraulic steering cylinder assembly in cylinder shield。
Described main speed reduction box assembly is installed with left half axle housing, right axle shaft housing respectively by studs and nut and is connected。
Described cylinder shield is connected with cylinder support installation by holding screw。
Described left-end point transmission case assembly includes drive axle and knuckle vertical shaft, and drive axle is provided with driven gear I, and one end of knuckle vertical shaft is provided with driving gear I, and driving gear I engages with driven gear I；The other end of knuckle vertical shaft is provided with driven gear II, and driven gear II engages with the driving gear II being arranged on left half axle。
The tooth-like limited-slip differential assembly of described cylindrical screw includes end cap I, differential casing and end cap II, end cap I is arranged on the left side of differential casing, end cap II is arranged on the right side of differential casing, middle part in differential carrier body is provided with sun gear I, the right side of sun gear I is provided with sun gear II, sun gear I coordinates with the planetary gear II being arranged on outside it, and sun gear II coordinates with the planetary gear I being arranged on outside it。
Described hydraulic steering cylinder assembly includes steering hydraulic cylinder body, the two ends, left and right of steering hydraulic cylinder body are slidably connected with piston rod respectively, the outer end of two piston rods is respectively arranged with connecting ball head, left hand piston bar is connected with left steering connecting rod by connecting ball head, and right hand piston bar is connected with right turn connecting rod by connecting ball head。
Compared to the prior art a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw of the present utility model, has the advantages that
1) assembling of the tooth-like limited-slip differential of cylindrical screw makes front driving axle except the differential function with open differential, may also provide the sliding ability of bigger limit, when vehicle travels on the ground such as ice and snow, muddy, wet and slippery, soft, concavo-convex or gravel, reduction because of frictional force, cause when single wheel skids, this limited-slip differential will reduce the moment of torsion being assigned to skidding single wheel automatically, and torque axis is moved on to the wheel that opposite side adhesive force is big, ensure that vehicle is got rid of poverty in time and normally travels, improve whole bridge handling capacity under bad working environments and serviceability；
2) by when identical assembly space and identical profile size for connection, the choosing achieving ordinary conical satellite differential and the tooth-like limited-slip differential of cylindrical screw fills, drastically increase the universal of parts, effectively control the production cost of whole bridge, meet tractor needs of operation under different operating modes simultaneously；
3) breakthrough in differential mechanism type selecting of the domestic front drive axle of tractor is achieved, by applying in front drive axle of tractor at the automobile drive axle field tooth-like limited-slip differential of wide variety of cylindrical screw, improve serviceability and the reliability of front drive axle of tractor further。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is further illustrated。
Accompanying drawing 1 is the structural representation of a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw。
Accompanying drawing 2 is the structural representation of main speed reduction box assembly。
Accompanying drawing 3 is the structural representation of left-end point transmission case assembly。
Accompanying drawing 4 is the structural representation of the tooth-like limited-slip differential assembly of cylindrical screw。
Accompanying drawing 5 is the structural representation of hydraulic steering cylinder assembly。
In figure: 1, left-end point transmission case assembly, 2, connect lid, 3, left half axle housing, 4, left half axle, 5, studs, 6, nut, 7, main speed reduction box assembly, 8, right axle shaft housing, 9, right axle shaft, 10, right final drive box assembly, 11, the tooth-like limited-slip differential assembly of cylindrical screw, 12, hydraulic steering cylinder assembly, 13, driven spiral reduction gearing, 14, actively spiral reduction gearing, 15, main speed reduction box housing, 16, holding screw, 17, cylinder support, 18, steering hydraulic cylinder body, 19, cylinder shield, 20, drive axle, 21, driven gear I, 22, driving gear I, 23, knuckle vertical shaft, 24, driven gear II, 25, driving gear II, 26, sun gear I, 27, end cap I, 28, differential casing, 29, planetary gear I, 30, end cap II, 31, sun gear II, 32, planetary gear II, 33, left steering connecting rod, 34, connecting ball head, 35, piston rod, 36, right turn connecting rod。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail。
Embodiment 1:
A kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw of the present utility model, its structure includes main speed reduction box assembly 7, left half axle housing 3, left-end point transmission case assembly 1, right axle shaft housing 8 and right final drive box assembly 10；The left end of main speed reduction box assembly 7 is connected with left half axle housing 3, and main speed reduction box assembly 7 is installed with left half axle housing 3, right axle shaft housing 8 respectively by studs 5 and nut 6 and is connected；Being provided with left half axle 4 in left half axle housing 3, the left end of left half axle housing 3 is connected with left-end point transmission case assembly 1 by connecting lid 2；The right-hand member of main speed reduction box assembly 7 is connected with right axle shaft housing 8, is provided with right axle shaft 9 in right axle shaft housing 8, and the right-hand member of right axle shaft housing 8 is connected with right final drive box assembly 10 by connecting lid 2；
Main speed reduction box assembly 7 includes main speed reduction box housing 15, cylindrical screw tooth-like limited-slip differential assembly 11 is installed between left half axle 4 and the right axle shaft 9 in main speed reduction box housing 15, the right side of cylindrical screw tooth-like limited-slip differential assembly 11 is provided with driven spiral reduction gearing 13, and driven spiral reduction gearing 13 engages with the active spiral reduction gearing 14 of rear side；The installed in front of main speed reduction box housing 15 has cylinder shield 19, and cylinder shield 19 is connected with cylinder support 17 installation by holding screw 16, and holding screw 16 effectively prevents hydraulic steering cylinder assembly 12 from rotating；Hydraulic steering cylinder assembly 12 is installed in cylinder shield 19。
The tooth-like limited-slip differential assembly 11 of cylindrical screw includes end cap I 27, differential casing 28 and end cap II 30, end cap I 27 is arranged on the left side of differential casing 28, end cap II 30 is arranged on the right side of differential casing 28, middle part in differential casing 28 is provided with sun gear I 26, the right side of sun gear I 26 is provided with sun gear II 31, sun gear I 26 coordinates with the planetary gear II 32 being arranged on outside it, and sun gear II 31 coordinates with the planetary gear I 29 being arranged on outside it。
The power transmission of above-mentioned cylindrical screw tooth-like limited-slip differential assembly 11 is as follows: power is reached differential casing 28 by driven spiral reduction gearing 13, differential casing 28 drives planetary gear I 29 and planetary gear II 32 to rotate, planetary gear I 29 and planetary gear II 32 drive sun gear II 31, sun gear I 26 to rotate respectively, and power is reached left half axle 4 and right axle shaft 9 respectively by sun gear II 31 and sun gear I 26 by spline。
Left-end point transmission case assembly 1 is identical with right final drive box assembly 10 structure, it is symmetrically mounted on the left and right sides of main speed reduction box assembly 7, left-end point transmission case assembly 1 includes drive axle 20 and knuckle vertical shaft 23, drive axle 20 is provided with driven gear I 21, one end of knuckle vertical shaft 23 is provided with driving gear I 22, and driving gear I 22 engages with driven gear I 21；The other end of knuckle vertical shaft 23 is provided with driven gear II 24, and driven gear II 24 engages with the driving gear II 25 being arranged on left half axle 4。
Hydraulic steering cylinder assembly 12 includes steering hydraulic cylinder body 18, the two ends, left and right of steering hydraulic cylinder body 18 are slidably connected with piston rod 35 respectively, the outer end of two piston rods 35 is respectively arranged with connecting ball head 34, left hand piston bar 35 is connected with left steering connecting rod 33 by connecting ball head 34, and right hand piston bar 35 is connected with right turn connecting rod 36 by connecting ball head 34。When piston rod 35 is moved to the left, promote wherein left steering connecting rod 33, pull right turn connecting rod 35 simultaneously, thus driving left-end point transmission case assembly 1 and right final drive box assembly 10 to rotate around knuckle vertical shaft 23 axis, replace track rod and realize the function that front-wheel turns to the left, otherwise when turning to the right。
By above-mentioned a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw, have the advantages that
1) assembling of the tooth-like limited-slip differential of cylindrical screw makes front driving axle except the differential function with open differential, may also provide the sliding ability of bigger limit, when vehicle travels on the ground such as ice and snow, muddy, wet and slippery, soft, concavo-convex or gravel, reduction because of frictional force, cause when single wheel skids, this limited-slip differential will reduce the moment of torsion being assigned to skidding single wheel automatically, and torque axis is moved on to the wheel that opposite side adhesive force is big, ensure that vehicle is got rid of poverty in time and normally travels, improve whole bridge handling capacity under bad working environments and serviceability；
2) by when identical assembly space and identical profile size for connection, the choosing achieving ordinary conical satellite differential and the tooth-like limited-slip differential of cylindrical screw fills, drastically increase the universal of parts, effectively control the production cost of whole bridge, meet tractor needs of operation under different operating modes simultaneously；
3) breakthrough in differential mechanism type selecting of the domestic front drive axle of tractor is achieved, by applying in front drive axle of tractor at the automobile drive axle field tooth-like limited-slip differential of wide variety of cylindrical screw, improve serviceability and the reliability of front drive axle of tractor further。
Realize above-mentioned beneficial effect to be likely to have and substitute implementation as follows:
Replacement scheme one: differential design is identical, only changing limit cylindrical screw tooth-like limited-slip differential inner sun wheel or planetary parameter, constituting a tooth-like limited-slip differential of new-type cylindrical screw, thus forming a new-type front driving axle。
Replacement scheme two: differential design pattern and gear parameter etc. are identical, change front driving axle hub reduction structural shape (as planetary gear speed reducing mechanism, bevel gear reducing mechanism or other) or the structural shape of other any parts except differential mechanism and size, constitute the tooth-like limited-slip differential front driving axle of a new-type cylindrical screw。
By detailed description of the invention above, described those skilled in the art can be easy to realize this utility model。It is understood that this utility model is not limited to above-mentioned several detailed description of the invention。On the basis of disclosed embodiment, described those skilled in the art can the different technical characteristic of combination in any, thus realizing different technical schemes。
Claims (6)
1. the front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw, it is characterised in that this front drive axle of tractor includes main speed reduction box assembly, left half axle housing, left-end point transmission case assembly, right axle shaft housing and right final drive box assembly；The left end of main speed reduction box assembly is connected with left half axle housing, is provided with left half axle in left half axle housing body, and the left end of left half axle housing is connected with left-end point transmission case assembly by connecting lid；The right-hand member of main speed reduction box assembly is connected with right axle shaft housing, is provided with right axle shaft in right axle shaft housing, and the right-hand member of right axle shaft housing is connected with right final drive box assembly by connecting lid；
Described main speed reduction box assembly includes main speed reduction box housing, cylindrical screw tooth-like limited-slip differential assembly is installed between left half axle and the right axle shaft in main speed reduction box housing, the right side of cylindrical screw tooth-like limited-slip differential assembly is provided with driven spiral reduction gearing, and driven spiral reduction gearing engages with the active spiral reduction gearing of rear side；The installed in front of main speed reduction box housing has cylinder shield, is provided with hydraulic steering cylinder assembly in cylinder shield。
2. a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw according to claim 1, it is characterised in that described main speed reduction box assembly is installed with left half axle housing, right axle shaft housing respectively by studs and nut and is connected。
3. a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw according to claim 1, it is characterised in that described cylinder shield is connected with cylinder support installation by holding screw。
4. a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw according to claim 1, it is characterized in that, described left-end point transmission case assembly includes drive axle and knuckle vertical shaft, drive axle is provided with driven gear I, one end of knuckle vertical shaft is provided with driving gear I, and driving gear I engages with driven gear I；The other end of knuckle vertical shaft is provided with driven gear II, and driven gear II engages with the driving gear II being arranged on left half axle。
5. a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw according to claim 1, it is characterized in that, the tooth-like limited-slip differential assembly of described cylindrical screw includes end cap I, differential casing and end cap II, end cap I is arranged on the left side of differential casing, end cap II is arranged on the right side of differential casing, middle part in differential carrier body is provided with sun gear I, the right side of sun gear I is provided with sun gear II, sun gear I coordinates with the planetary gear II being arranged on outside it, and sun gear II coordinates with the planetary gear I being arranged on outside it。
6. a kind of front drive axle of tractor with the tooth-like limited-slip differential of cylindrical screw according to claim 1, it is characterized in that, described hydraulic steering cylinder assembly includes steering hydraulic cylinder body, the two ends, left and right of steering hydraulic cylinder body are slidably connected with piston rod respectively, the outer end of two piston rods is respectively arranged with connecting ball head, left hand piston bar is connected with left steering connecting rod by connecting ball head, and right hand piston bar is connected with right turn connecting rod by connecting ball head。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073003.2U CN205326798U (en) | 2016-01-26 | 2016-01-26 | Take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073003.2U CN205326798U (en) | 2016-01-26 | 2016-01-26 | Take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle |
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| Publication Number | Publication Date |
|---|---|
| CN205326798U true CN205326798U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620073003.2U Active CN205326798U (en) | 2016-01-26 | 2016-01-26 | Take tooth -like limited -slip differential's of cylindrical screw tractor front -wheel drive axle |
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| CN (1) | CN205326798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691197A (en) * | 2016-01-26 | 2016-06-22 | 山东雷沃桥箱有限公司 | Tractor front drive axle provided with cylindrical helix gear-type limited slip differential |
-
2016
- 2016-01-26 CN CN201620073003.2U patent/CN205326798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691197A (en) * | 2016-01-26 | 2016-06-22 | 山东雷沃桥箱有限公司 | Tractor front drive axle provided with cylindrical helix gear-type limited slip differential |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hongjiang Inventor after: Jing Jianxin Inventor after: Ge Hongkun Inventor after: Zhu Xiaoyan Inventor after: Wang Wei Inventor after: Feng Xiangliang Inventor after: Hao Yanlong Inventor after: Zhang Chunning Inventor after: Xu Liting Inventor before: Jing Jianxin Inventor before: Zhu Xiaoyan Inventor before: Wang Wei Inventor before: Ge Hongkun Inventor before: Feng Xiangliang Inventor before: Hao Yanlong |
|
| COR | Change of bibliographic data | ||
| CP03 | Change of name, title or address |
Address after: Pingyi town Shandong city of Linyi province Pingyi County 273300 Hu Village West of State Road 327 Patentee after: Shandong leiwo transmission Co. Ltd. Address before: 273300 Pingyi County, Shandong Province, the first North of Patentee before: Shandong Lovol Transmission Pans Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 273300 west side of 327 national highway, Hutong village, Pingyi Town, Pingyi County, Linyi City, Shandong Province Patentee after: Shandong Weichai Lovol transmission Co.,Ltd. Address before: 273300 west side of 327 national highway, Hutong village, Pingyi Town, Pingyi County, Linyi City, Shandong Province Patentee before: SHANDONG LOVOL TRANSMISSION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |