CN210133211U - Differential driving device - Google Patents
Differential driving device Download PDFInfo
- Publication number
- CN210133211U CN210133211U CN201921070000.3U CN201921070000U CN210133211U CN 210133211 U CN210133211 U CN 210133211U CN 201921070000 U CN201921070000 U CN 201921070000U CN 210133211 U CN210133211 U CN 210133211U
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- frame body
- driving device
- shaft
- wheel
- 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.)
- Active
Links
Images
Landscapes
- Retarders (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a differential drive device, which comprises a frame body, the left and right sides of the frame body are respectively rotatably provided with a wheel shaft extending in the left and right directions, wheels are fixedly arranged on the wheel shaft, the frame body is also provided with a first wheel shaft drive device and a second wheel shaft drive device, the middle part of the frame body is provided with a cavity, a hollow shaft is inserted in the cavity, the frame body is provided with a rotary pin extending into the cavity, the hollow shaft is provided with a mounting hole, the rotary pin is rotatably arranged in the mounting hole, a cable of the first wheel shaft drive device and a cable of the second wheel shaft drive device penetrate into the hollow shaft from the lower end of the hollow shaft and penetrate out through the upper end of the hollow shaft, and a buffer; the cable of the first wheel axle driving device and the cable of the second wheel axle driving device penetrate into the hollow shaft from the lower end of the hollow shaft, the bending angle of the cable is small, the cable is protected, the service life of the cable is prolonged, and the working reliability is high.
Description
Technical Field
The utility model relates to a piston pin chamfer production line.
Background
In the scheme of realizing the prior art, the technical problems that a control line (a motor line and a magnetic guidance line) of a ① differential driving device is a side outgoing line, so that a cable rotates along with the driving device, the mode reduces the service life of the cable when the cable works in a rotating state for a long time, and the working reliability is reduced are found, and the ② conventional hollow outgoing line differential driving device is complex in structural design and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
In order to make up for above not enough, the utility model provides a long service life, low in manufacturing cost can effectively avoid the differential drive arrangement of cable wearing and tearing.
The technical scheme of the utility model is that: a differential driving device comprises a frame body, wherein the left side and the right side of the frame body are respectively provided with a wheel shaft extending in the left-right direction in a rotating mode, wheels are fixedly arranged on the wheel shafts, the frame body is further provided with a first wheel shaft driving device and a second wheel shaft driving device, a cavity is formed in the middle of the frame body, a hollow shaft is inserted into the cavity, a rotating pin extending into the cavity is arranged on the frame body and extends in the front-back direction, an installation hole is formed in the hollow shaft, the rotating pin is rotatably arranged in the installation hole, the hollow shaft can swing relative to the rotating pin, a gap for enabling the hollow shaft to swing left and right is formed between the hollow shaft and the cavity, cables of the first wheel shaft driving device and cables of the second wheel shaft driving device penetrate into the hollow shaft from the lower end of the hollow shaft and penetrate out through the upper end of the, and a buffer mechanism is also arranged between the frame body and the vehicle body.
As a preferable technical solution, the rotation pin includes a first rotation pin and a second rotation pin, axes of the first rotation pin and the second rotation pin are overlapped with each other, the hollow shaft is provided with two mounting holes, the first rotation pin is rotatably mounted in one of the mounting holes, and the second rotation pin is rotatably mounted in the other mounting hole.
As a preferable technical solution, the buffer mechanism includes a shaft sleeve which is sleeved outside the hollow shaft and can move up and down and rotate relative to the hollow shaft, an annular table is arranged at the lower end of the hollow shaft, a support spring is arranged between the annular table and the shaft sleeve, the support spring is sleeved outside the hollow shaft, and a limit mechanism is arranged between the shaft sleeve and the upper end of the hollow shaft.
As a preferable technical scheme, a thrust bearing is further arranged between the shaft sleeve and the upper end of the supporting spring.
As a preferred technical scheme, a vehicle body mounting seat is fixedly mounted on the shaft sleeve.
As a preferable technical scheme, the limiting mechanism comprises a limiting nut which is sleeved outside the hollow shaft and is positioned above the shaft sleeve, and the upper end of the hollow shaft is provided with an external thread matched with the limiting nut.
By adopting the technical scheme, the differential driving device comprises a frame body, wherein the left side and the right side of the frame body are respectively and rotatably provided with a wheel shaft extending in the left-right direction, wheels are fixedly arranged on the wheel shafts, the frame body is also provided with a first wheel shaft driving device and a second wheel shaft driving device, the middle part of the frame body is provided with a cavity, a hollow shaft is inserted in the cavity, the frame body is provided with a rotating pin extending into the cavity, the rotating pin extends along the front-back direction, the hollow shaft is provided with a mounting hole, the rotating pin is rotatably arranged in the mounting hole, the hollow shaft can swing relative to the rotating pin, a gap for the hollow shaft to swing left and right is arranged between the hollow shaft and the cavity, a cable of the first wheel shaft driving device and a cable of the second wheel shaft driving device penetrate into the hollow shaft from the lower end of the hollow shaft and penetrate out from the upper end, a buffer mechanism is also arranged between the frame body and the vehicle body; the cable of the first wheel shaft driving device and the cable of the second wheel shaft driving device penetrate into the hollow shaft from the lower end of the hollow shaft, the bending angle of the cable is small, the cable is protected, the service life of the cable is prolonged, and the working reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
fig. 4 is a sectional view taken along line a-a in fig. 2.
Detailed Description
As shown in fig. 1 to 4, a differential driving device includes a frame body 1, a left side and a right side of the frame body 1 are respectively rotatably installed with a wheel shaft 2 extending in a left-right direction, a wheel 3 is fixedly installed on the wheel shaft 2, the frame body 1 is further provided with a first wheel shaft driving device and a second wheel shaft driving device, a cavity 16 is arranged in the middle of the frame body 1, a hollow shaft 4 is inserted into the cavity 16, the frame body 1 is installed with a rotation pin extending into the cavity 16 in a front-back direction, the hollow shaft 4 is provided with an installation hole, the rotation pin is rotatably installed in the installation hole, the hollow shaft 4 can swing relative to the rotation pin, a gap for the hollow shaft 4 to swing in a left-right direction is arranged between the hollow shaft 4 and the cavity 16, a cable 7 of the first wheel shaft driving device and a cable 7 of the second wheel shaft driving device penetrate into the hollow shaft 4 from a lower end of the hollow shaft 4 and the upper end of the hollow shaft penetrates out, and a buffer mechanism is further arranged between the frame body 1 and the vehicle body. The cable of the first wheel shaft driving device and the cable of the second wheel shaft driving device penetrate into the hollow shaft from the lower end of the hollow shaft, the bending angle of the cable is small, the cable is protected, the service life of the cable is prolonged, and the working reliability is high. The first wheel shaft driving device and the second wheel shaft driving device both comprise an electric motor 17, an output shaft of the electric motor 17 is connected with a gearbox 18, and the gearbox 18 drives a wheel shaft to rotate.
The rotating pin comprises a first rotating pin 8 and a second rotating pin 9, the axes of the first rotating pin 8 and the second rotating pin 9 are overlapped, two mounting holes are formed in the hollow shaft 4, the first rotating pin is rotatably mounted in one mounting hole, and the second rotating pin is rotatably mounted in the other mounting hole. The two rotating pins are adopted, so that the occupation of the space in the hollow shaft can be reduced, and the cable can penetrate into the hollow shaft more conveniently.
The buffer mechanism comprises a shaft sleeve 10 which is sleeved outside the hollow shaft 4 and can move up and down and rotate relative to the hollow shaft 4, an annular table 11 is arranged at the lower end of the hollow shaft 4, a supporting spring 12 is arranged between the annular table 11 and the shaft sleeve 10, the supporting spring 12 is sleeved outside the hollow shaft 4, and a limiting mechanism is arranged between the shaft sleeve 10 and the upper end of the hollow shaft 4. The supporting spring buffers the up-and-down movement of the shaft sleeve relative to the hollow shaft, and meanwhile, the shaft sleeve can rotate relative to the hollow shaft, so that the bogie provided with the differential driving device can conveniently realize steering.
A thrust bearing 13 is further arranged between the shaft sleeve 10 and the upper end of the supporting spring 12. The thrust bearing is provided to make the rotation of the sleeve with respect to the hollow shaft smoother.
The shaft sleeve 10 is fixedly provided with a vehicle body mounting seat 14, and the shaft sleeve is mounted on the vehicle body through the vehicle body mounting seat.
The limiting mechanism comprises a limiting nut 15 which is sleeved outside the hollow shaft 4 and is positioned above the shaft sleeve 10, and the upper end of the hollow shaft is provided with an external thread matched with the limiting nut 15.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A differential driving device is characterized by comprising a frame body, wherein the left side and the right side of the frame body are respectively provided with a wheel shaft extending in the left-right direction in a rotating mode, wheels are fixedly arranged on the wheel shafts, the frame body is further provided with a first wheel shaft driving device and a second wheel shaft driving device, the middle of the frame body is provided with a cavity, a hollow shaft is inserted into the cavity, the frame body is provided with a rotating pin extending into the cavity, the rotating pin extends in the front-back direction, the hollow shaft is provided with a mounting hole, the rotating pin is rotatably arranged in the mounting hole and can swing relative to the rotating pin, a gap for enabling the hollow shaft to swing left and right is arranged between the hollow shaft and the cavity, cables of the first wheel shaft driving device and cables of the second wheel shaft driving device penetrate into the hollow shaft from the lower end of the hollow shaft and penetrate out through the upper end of the hollow, and a buffer mechanism is also arranged between the frame body and the vehicle body.
2. A differential drive as claimed in claim 1 wherein said pivot pins include a first pivot pin and a second pivot pin, the axes of said first and second pivot pins being coincident, said hollow shaft having two mounting holes, said first pivot pin being pivotally mounted in one of said mounting holes and said second pivot pin being pivotally mounted in the other of said mounting holes.
3. A differential drive apparatus as defined in claim 1 wherein said damping mechanism comprises a sleeve mounted on said hollow shaft for movement up and down and for rotation relative to the hollow shaft, an annular table mounted on a lower end of said hollow shaft, a support spring mounted between said annular table and said sleeve, said support spring mounted on an outer side of said hollow shaft, and a stop mechanism mounted between said sleeve and an upper end of said hollow shaft.
4. A differential drive as claimed in claim 3 wherein a thrust bearing is also provided between said bushing and the upper end of said support spring.
5. A differential drive as claimed in claim 3 wherein a vehicle body mount is fixedly mounted on said hub.
6. A differential drive as claimed in claim 3 wherein said limiting mechanism comprises a limiting nut received over said hollow shaft and located above said bushing, the upper end of said hollow shaft having external threads for engaging said limiting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070000.3U CN210133211U (en) | 2019-07-10 | 2019-07-10 | Differential driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070000.3U CN210133211U (en) | 2019-07-10 | 2019-07-10 | Differential driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210133211U true CN210133211U (en) | 2020-03-10 |
Family
ID=69707998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070000.3U Active CN210133211U (en) | 2019-07-10 | 2019-07-10 | Differential driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210133211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182279A (en) * | 2019-07-10 | 2019-08-30 | 盛瑞传动股份有限公司 | A kind of differential drive device |
-
2019
- 2019-07-10 CN CN201921070000.3U patent/CN210133211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182279A (en) * | 2019-07-10 | 2019-08-30 | 盛瑞传动股份有限公司 | A kind of differential drive device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10940885B2 (en) | Steering knuckle of vehicle turning wheel, steering device and vehicle | |
| CN105730553A (en) | AGV chassis structure capable of adapting to ground deformation | |
| CN210133211U (en) | Differential driving device | |
| CN109703617B (en) | Omnidirectional electric wheel and electric vehicle | |
| CN111660321A (en) | Three-degree-of-freedom bionic neck movement mechanism | |
| CN203567798U (en) | Electric steering system for new energy automobile | |
| CN110477609A (en) | Flip displays device and tea table | |
| CN116101365A (en) | Steering wheel device for chassis of omnidirectional mobile robot | |
| KR20120062272A (en) | Rear steering system of vehicle | |
| CN205928621U (en) | Controllable temperature manipulator | |
| CN211050896U (en) | Steering structure of toy steering wheel | |
| CN207644521U (en) | A kind of chassis structure | |
| CN209888979U (en) | Electric automobile | |
| CN203401369U (en) | Swing frame and swing angle mechanism of beveling machine | |
| CN207791019U (en) | A kind of perambulator of convenient disassembly | |
| CN203161821U (en) | Supporting hinge device for preventing oil cylinder of dumper from generating bending moment | |
| CN207549940U (en) | A kind of compact-sized antidetonation perambulator | |
| CN111469164A (en) | Horizontal multi-joint robot | |
| CN204900728U (en) | 90 degree transposition transmission | |
| JP2008279850A (en) | Drive device of vehicular driving wheel | |
| CN204124179U (en) | The reverse lock control devices of automobile steering system | |
| CN212575636U (en) | Driving device | |
| CN108374884A (en) | A kind of gear change link mechanism and vehicle | |
| CN220595041U (en) | Driving mechanism for wing-type automobile tail wing, wing-type automobile tail wing and automobile | |
| CN211943633U (en) | Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210325 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261205 518 Shengrui Street, Weifang High-tech Industrial Development Zone, Shandong Province Patentee before: SHENGRUI TRANSMISSION Co.,Ltd. |
|
| TR01 | Transfer of patent right |