CN211519145U - Novel drive axle end structure of support form - Google Patents
Novel drive axle end structure of support form Download PDFInfo
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- CN211519145U CN211519145U CN201921996237.4U CN201921996237U CN211519145U CN 211519145 U CN211519145 U CN 211519145U CN 201921996237 U CN201921996237 U CN 201921996237U CN 211519145 U CN211519145 U CN 211519145U
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Abstract
The utility model belongs to the technical field of the transaxle, especially, be a novel support form's terminal structure of transaxle, including terminal casing, rotate on the terminal casing and install the knuckle casing, be provided with transaxle semi-axis and terminal round pin axle in the knuckle casing, the fixed cover of one end that the transaxle semi-axis is close to terminal round pin axle is equipped with the semi-axis pinion, and the semi-axis pinion rotates with the knuckle casing and is connected, the fixed cover in top of terminal round pin axle is equipped with the semi-axis gear wheel, the semi-axis gear wheel meshes with the semi-axis pinion mutually, and the semi-axis gear wheel rotates with the knuckle casing and is connected, the fixed cover in bottom of terminal round pin axle is. The utility model discloses the practicality is high, for unilateral formula bearing structure, wholly has low in manufacturing cost, and convenient to overhaul's advantage is fit for little horsepower tractor and uses.
Description
Technical Field
The utility model relates to a transaxle technical field especially relates to a novel drive axle end structure who supports form.
Background
A transaxle is a mechanism located at the end of a drive train that can change the rotational speed and torque from a transmission and transmit them to drive wheels, and is generally composed of a final drive, a differential, a wheel transmission, a transaxle case, and the like, and a steer drive and a constant velocity joint.
However, most of the front axle tail end structures of the existing small horsepower tractors are supported in a two-side mode, most of steering positions of the vertical shaft are matched with thrust bearings through bushings, the manufacturing cost is high, the maintenance is difficult, the whole small horsepower tractor is light in weight, the operation content is simple, a single-side type supporting structure with low cost can be considered, and therefore the drive axle tail end structure in a novel supporting mode is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel drive axle end structure in a supporting mode.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel supporting type drive axle tail end structure comprises a tail end shell, a steering knuckle shell is rotatably mounted on the tail end shell, a drive axle half shaft and a tail end pin shaft are arranged in the steering knuckle shell, a half shaft pinion is fixedly sleeved at one end, close to the tail end pin shaft, of the drive axle half shaft and is rotatably connected with the steering knuckle shell, a half shaft gear is fixedly sleeved at the top end of the tail end pin shaft and is meshed with the half shaft pinion, the half shaft gear is rotatably connected with the steering knuckle shell, a tail end pinion is fixedly sleeved at the bottom end of the tail end pin shaft and is rotatably connected with the tail end shell, a tail end big cover is fixedly mounted on the tail end shell, the tail end big cover and the tail end shell are rotatably mounted with a same drive shaft, and a tail end big gear positioned in the tail end shell is fixedly, terminal gear wheel meshes with terminal pinion mutually, fixed cover respectively on the outer wall of drive shaft is equipped with sixth bearing and seventh bearing, the outer lane of sixth bearing and the inner wall fixed connection of terminal casing, the outer lane of seventh bearing and the inner wall fixed connection of terminal big lid, it is equipped with the second oil blanket to rotate sealed cover in the drive shaft, the outer lane of second oil blanket and the inner wall fixed connection of terminal big lid, fixed cover is equipped with the retaining ring that is located between terminal gear wheel and the seventh bearing on the outer wall of drive shaft, and the retaining ring contacts with terminal gear wheel, be provided with a plurality of bolts on the terminal big lid, a plurality of bolts all with terminal casing fixed connection.
Preferably, the fixed cover is equipped with first bearing on the semi-axis pinion, the outer lane of first bearing and the inner wall fixed connection of knuckle casing, the fixed cover is equipped with the second bearing on the semi-axis gear wheel, the outer lane of second bearing and the inner wall fixed connection of knuckle casing.
Preferably, fixed cover is equipped with third bearing and fourth bearing on the outer wall of knuckle casing, the outer lane of third bearing and fourth bearing all with the inner wall fixed connection of terminal casing, the sealed cover of rotating on the outer wall of knuckle casing is equipped with first oil blanket, the outer lane of first oil blanket and the inner wall fixed connection of terminal casing, the top and the bottom of fourth bearing are provided with first circlip and second circlip respectively, first circlip and second circlip all with the inner wall fixed connection of terminal casing.
Preferably, a fifth bearing is fixedly sleeved on the tail end pinion, an outer ring of the fifth bearing is fixedly connected with the inner wall of the tail end shell, and a sealing cover is arranged at the top of the steering knuckle shell.
Compared with the prior art, the beneficial effects of the utility model are that: the device is characterized in that a drive axle half shaft, a first bearing, a half shaft pinion, a half shaft gearwheel, a first oil seal, a second bearing, a third bearing, a steering knuckle shell, a first elastic retainer ring, a fourth bearing, a second elastic retainer ring, a tail end pinion, a tail end pin shaft, a fifth bearing, a tail end gearwheel, a sealing cover, a tail end shell, a sixth bearing, a tail end big cover, a seventh bearing, a second oil seal, a retainer ring, a drive shaft and a bolt are matched, the power of a front drive axle is transmitted to the half shaft pinion and the half shaft gearwheel through the drive axle half shaft, so that the tail end pin shaft can rotate and then is transmitted to the tail end pinion and the tail end gearwheel through the tail end pin shaft, and the drive axle can rotate and finally reaches tires on two; when the front axle is steered, the tail end shell drives the bearing outer ring to rotate around the steering knuckle shell; when the wheels on one side of the front axle are suspended, the steering knuckle shell is positioned through the elastic retainer rings on the upper side and the lower side of the bearing, so that the steering knuckle shell is prevented from being separated, and single-side support is realized;
the utility model discloses the practicality is high, for unilateral formula bearing structure, wholly has low in manufacturing cost, and convenient to overhaul's advantage is fit for little horsepower tractor and uses.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a drive axle half shaft; 2. a first bearing; 3. a half-shaft pinion; 4. a half shaft gearwheel; 5. a first oil seal; 6. a second bearing; 7. a third bearing; 8. a knuckle housing; 9. A first circlip; 10. a fourth bearing; 11. a second circlip; 12. a tip pinion gear; 13. a terminal pin shaft; 14. a fifth bearing; 15. a tail end gearwheel; 16. a sealing cover; 17. A tip housing; 18. a sixth bearing; 19. a big end cover; 20. a seventh bearing; 21. a second oil seal; 22. a retainer ring; 23. a drive shaft; 24. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a novel supporting type drive axle tail end structure comprises a tail end shell 17, a steering knuckle shell 8 is rotatably installed on the tail end shell 17, a drive axle half shaft 1 and a tail end pin shaft 13 are arranged in the steering knuckle shell 8, a half shaft pinion 3 is fixedly sleeved at one end, close to the tail end pin shaft 13, of the drive axle half shaft 1, the half shaft pinion 3 is rotatably connected with the steering knuckle shell 8, a half shaft gearwheel 4 is fixedly sleeved at the top end of the tail end pin shaft 13, the half shaft gearwheel 4 is meshed with the half shaft pinion 3, the half shaft gearwheel 4 is rotatably connected with the steering knuckle shell 8, a tail end pinion 12 is fixedly sleeved at the bottom end of the tail end pin shaft 13, the tail end pinion 12 is rotatably connected with the tail end shell 17, a tail end big cover 19 is fixedly installed on the tail end shell 17, the same drive shaft 23 is rotatably installed on the tail end big cover 19 and the tail end, the tail end gearwheel 15 is meshed with the tail end pinion 12;
the half axle pinion 3 is fixedly sleeved with a first bearing 2, the outer ring of the first bearing 2 is fixedly connected with the inner wall of a steering knuckle shell 8, the half axle gear 4 is fixedly sleeved with a second bearing 6, the outer ring of the second bearing 6 is fixedly connected with the inner wall of the steering knuckle shell 8, the outer wall of the steering knuckle shell 8 is fixedly sleeved with a third bearing 7 and a fourth bearing 10, the outer rings of the third bearing 7 and the fourth bearing 10 are fixedly connected with the inner wall of a tail end shell 17, the outer wall of the steering knuckle shell 8 is rotatably and hermetically sleeved with a first oil seal 5, the outer ring of the first oil seal 5 is fixedly connected with the inner wall of the tail end shell 17, the top and the bottom of the fourth bearing 10 are respectively provided with a first elastic retainer ring 9 and a second elastic retainer ring 11, the first elastic retainer ring 9 and the second elastic retainer ring 11 are fixedly connected with the inner wall of the tail end shell 17, and the steering, the tail end pinion 12 is fixedly sleeved with a fifth bearing 14, the outer ring of the fifth bearing 14 is fixedly connected with the inner wall of a tail end shell 17, the top of the steering knuckle shell 8 is provided with a sealing cover 16, the outer wall of a driving shaft 23 is respectively and fixedly sleeved with a sixth bearing 18 and a seventh bearing 20, the outer ring of the sixth bearing 18 is fixedly connected with the inner wall of the tail end shell 17, the outer ring of the seventh bearing 20 is fixedly connected with the inner wall of a tail end big cover 19, the driving shaft 23 is rotatably and hermetically sleeved with a second oil seal 21, the outer ring of the second oil seal 21 is fixedly connected with the inner wall of the tail end big cover 19, the outer wall of the driving shaft 23 is fixedly sleeved with a retainer ring 22 positioned between the tail end big gear 15 and the seventh bearing 20, the retainer ring 22 is in contact with the tail end big gear 15, the tail end big gear 15 is axially positioned through the retainer ring 22, the tail end big cover 19 is provided, the whole tail end forms a closed structure, the sealing of the tail end structure is realized by a sealing cover 16, a first oil seal 5 and a second oil seal 21, the front drive axle power is transmitted to the half axle pinion 3 and the half axle gearwheel 4 by the drive axle half shaft 1, the first bearing 2, the half axle pinion 3, the half axle gearwheel 4, the first oil seal 5, the second bearing 6, the third bearing 7, the steering knuckle shell 8, the first elastic retainer 9, the fourth bearing 10, the second elastic retainer 11, the tail end pinion 12, the tail end pin shaft 13, the fifth bearing 14, the tail end gearwheel 15, the sealing cover 16, the tail end shell 17, the sixth bearing 18, the tail end big cover 19, the seventh bearing 20, the second oil seal 21, the retainer 22, the drive axle 23 and the bolt 24 through the drive axle half shaft 1, so that the tail end pin shaft 13 can rotate and then be transmitted to the tail end pinion 12 and the tail end gearwheel 15 through the tail end pin shaft 13, so that the drive shaft 23 can rotate and finally reach the tires on both sides of the drive axle; when the front axle is steered, the tail end shell 17 drives the bearing outer ring to rotate around the steering knuckle shell 8; when the wheels on one side of the front axle are suspended, the steering knuckle shell 8 is positioned through elastic retainer rings 9 and 11 on the upper side and the lower side of a bearing 10, so that the steering knuckle shell 8 is prevented from being separated, and single-side support is realized; the utility model discloses the practicality is high, for unilateral formula bearing structure, wholly has low in manufacturing cost, and convenient to overhaul's advantage is fit for little horsepower tractor and uses.
The working principle is as follows:
the power of the front drive axle is transmitted to the half axle pinion 3 and the half axle gearwheel 4 from the drive axle half axle 1 and then transmitted to the tail end pinion 12 and the tail end gearwheel 15 through the tail end pin shaft 13, so that the drive axle 23 can rotate and finally reach the tires on the two sides of the drive axle;
when the front axle steers, a steering force acts on the tail end shell 17, the steering knuckle shell 8 and the axle housing are connected together and fixed, the tail end shell 17 and the steering knuckle shell 8 are matched through the third bearing 7 and the fourth bearing 10, and the tail end shell 17 drives the bearing outer ring to rotate around the steering knuckle shell 8;
in the vertical shaft direction, the steering knuckle shell 8 is pressed on the tail end shell 17 through the third bearing 7, the steering knuckle shell 8 is prevented from falling, when wheels on one side of a front axle are suspended, the steering knuckle shell 8 is positioned through elastic retainer rings 9 and 11 on the upper side and the lower side of the bearing 10, and the steering knuckle shell 8 is prevented from falling off.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A novel supporting type drive axle end structure comprises an end shell (17), and is characterized in that: the steering knuckle shell (8) is rotatably mounted on the tail end shell (17), a driving axle half shaft (1) and a tail end pin shaft (13) are arranged in the steering knuckle shell (8), one end fixing sleeve, close to the tail end pin shaft (13), of the driving axle half shaft (1) is provided with a half shaft pinion (3), the half shaft pinion (3) is rotatably connected with the steering knuckle shell (8), the top fixing sleeve of the tail end pin shaft (13) is provided with a half shaft gear wheel (4), the half shaft gear wheel (4) is meshed with the half shaft pinion (3), the half shaft gear wheel (4) is rotatably connected with the steering knuckle shell (8), the bottom fixing sleeve of the tail end pin shaft (13) is provided with a tail end pinion (12), the tail end pinion (12) is rotatably connected with the tail end shell (17), and a tail end big cover (19) is fixedly mounted on the tail end, the utility model discloses a bearing assembly, including drive shaft (23), fixed cover and end casing (17), rotate on end big cover (19) and the end casing (17) and install same drive shaft (23), fixed cover is equipped with terminal gear wheel (15) that is located end casing (17) on drive shaft (23), terminal gear wheel (15) meshes with terminal pinion (12) mutually, fixed cover is equipped with sixth bearing (18) and seventh bearing (20) on the outer wall of drive shaft (23) respectively, the outer lane of sixth bearing (18) and the inner wall fixed connection of end casing (17), the outer lane of seventh bearing (20) and the inner wall fixed connection of end big cover (19), it is equipped with second oil blanket (21) to rotate sealed cover on drive shaft (23), the outer lane of second oil blanket (21) and the inner wall fixed connection of end big cover (19), fixed cover is equipped with retaining ring (22) that is located between terminal gear wheel (15) and seventh bearing (20) on the outer wall of drive shaft (, and the retainer ring (22) is contacted with the tail end large gear (15), a plurality of bolts (24) are arranged on the tail end large cover (19), and the plurality of bolts (24) are fixedly connected with the tail end shell (17).
2. The drive axle end structure of the novel support form of claim 1, wherein: the fixed cover is equipped with first bearing (2) on semi-axis pinion (3), the outer lane of first bearing (2) and the inner wall fixed connection of knuckle casing (8), the fixed cover is equipped with second bearing (6) on semi-axis gear wheel (4), the outer lane of second bearing (6) and the inner wall fixed connection of knuckle casing (8).
3. The drive axle end structure of the novel support form of claim 1, wherein: fixed cover is equipped with third bearing (7) and fourth bearing (10) on the outer wall of knuckle casing (8), the outer lane of third bearing (7) and fourth bearing (10) all with the inner wall fixed connection of terminal casing (17), it is equipped with first oil blanket (5) to rotate sealed cover on the outer wall of knuckle casing (8), the outer lane of first oil blanket (5) and the inner wall fixed connection of terminal casing (17), the top and the bottom of fourth bearing (10) are provided with first circlip (9) and second circlip (11) respectively, first circlip and second circlip (11) all with the inner wall fixed connection of terminal casing (17).
4. The drive axle end structure of the novel support form of claim 1, wherein: the tail end pinion (12) is fixedly sleeved with a fifth bearing (14), the outer ring of the fifth bearing (14) is fixedly connected with the inner wall of the tail end shell (17), and the top of the knuckle shell (8) is provided with a sealing cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996237.4U CN211519145U (en) | 2019-11-19 | 2019-11-19 | Novel drive axle end structure of support form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996237.4U CN211519145U (en) | 2019-11-19 | 2019-11-19 | Novel drive axle end structure of support form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211519145U true CN211519145U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996237.4U Active CN211519145U (en) | 2019-11-19 | 2019-11-19 | Novel drive axle end structure of support form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211519145U (en) |
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2019
- 2019-11-19 CN CN201921996237.4U patent/CN211519145U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of end structure of drive axle with support Effective date of registration: 20211119 Granted publication date: 20200918 Pledgee: Weifang Bank Co.,Ltd. Fenghuangshan sub branch Pledgor: SHANDONG GAHEAD DRIVE TECH CO.,LTD. Registration number: Y2021980012764 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221214 Granted publication date: 20200918 Pledgee: Weifang Bank Co.,Ltd. Fenghuangshan sub branch Pledgor: SHANDONG GAHEAD DRIVE TECH CO.,LTD. Registration number: Y2021980012764 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |