CN110182279A - A kind of differential drive device - Google Patents
A kind of differential drive device Download PDFInfo
- Publication number
- CN110182279A CN110182279A CN201910618458.6A CN201910618458A CN110182279A CN 110182279 A CN110182279 A CN 110182279A CN 201910618458 A CN201910618458 A CN 201910618458A CN 110182279 A CN110182279 A CN 110182279A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- rotating dog
- frame body
- cable
- brake device
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
Abstract
The invention discloses a kind of differential drive devices, including frame body, the left and right sides of frame body is rotatably equipped with the axletree of left and right directions extension respectively, wheel is fixedly installed on axletree, the first wheel axial brake device and the second wheel axial brake device are additionally provided on frame body, the middle part of frame body is equipped with cavity, hollow shaft is inserted in cavity, the rotating dog for protruding into cavity is installed on frame body, hollow shaft is equipped with mounting hole, rotating dog is rotatably installed in mounting hole, the cable of the cable of first round axial brake device and the second wheel axial brake device penetrates hollow shaft from the lower end of hollow shaft and is pierced by by the upper end of hollow shaft, buffer gear is additionally provided between frame body and car body；The cable of the cable of first round axial brake device and the second wheel axial brake device penetrates hollow shaft from the lower end of hollow shaft, and the angle that cable is bent is smaller, realizes the protection to cable, extends the service life of cable, and functional reliability is high.
Description
Technical field
The present invention relates to a kind of piston pin chamfering production lines.
Background technique
AGV automatic guided vehicle is widely used to the automatic transhipment field of modern factories logistics, and differential driving structure is because of cost
The advantages that low, simple structure, convenient control, is preferentially selected.In realizing currently existing scheme, the discovery prior art exists as follows
Technical problem: 1. differential drive device control line (motor lines, magnetic conductance course line) is side outlet, causes cable with driving device
Rotation, this mode reduce the service life of cable, functional reliability reduces for working long hours in rotary state.2. existing
There are hollow outlet differential drive device, complex structural designs, manufacturing cost height.
Summary of the invention
In order to make up the above deficiency, the present invention provides a kind of long service life, and manufacturing cost is low, can effectively avoid cable
The differential drive device of abrasion.
The technical scheme is that a kind of differential drive device, including frame body, the left and right sides of the frame body turn respectively
The axletree for being equipped with left and right directions extension is moved, wheel is fixedly installed on the axletree, is additionally provided with first on the frame body
Wheel axial brake device and the second wheel axial brake device, the middle part of the frame body are equipped with cavity, are inserted in the cavity hollow
Axis is equipped with the rotating dog for protruding into the cavity on the frame body, and the rotating dog extends along the longitudinal direction, on the hollow shaft
Equipped with mounting hole, in the mounting hole, the hollow shaft can be swung relative to the rotating dog for the rotating dog rotational installation,
The gap to swing for the hollow shaft is equipped between the hollow shaft and the cavity, the first round axial brake device
The cable of cable and the second wheel axial brake device penetrates the hollow shaft from the lower end of the hollow shaft and passes through in described
The upper end of empty axis is pierced by, and is additionally provided with buffer gear between the frame body and car body.
The rotating dog includes the first rotating dog and the second rotating dog, first rotation as a preferred technical solution,
The axis of pin and second rotating dog overlaps, and is set on the hollow shaft there are two mounting hole, first rotating dog turns
Dynamic to be mounted in the mounting hole, second rotating dog is rotatably installed in another described mounting hole.
As a preferred technical solution, the buffer gear include the hollow outer shaft sleeve set can be relative to hollow shaft
The lower end of the axle sleeve for moving up and down and rotating, the hollow shaft is equipped with annular table, is equipped between the annular table and the axle sleeve
Support spring, the support spring cover outside the hollow shaft, and limit is equipped between the axle sleeve and the upper end of the hollow shaft
Mechanism.
Thrust bearing is additionally provided between the axle sleeve and the upper end of the support spring as a preferred technical solution,.
Car body mounting base is fixedly installed on the axle sleeve as a preferred technical solution,.
The position-limit mechanism includes covering outside the hollow shaft and being located at the above axle sleeve as a preferred technical solution,
Stop nut, the upper end of the hollow shaft is equipped with the external screw thread cooperated with the stop nut.
By adopting the above-described technical solution, a kind of differential drive device, including frame body, the left and right sides point of the frame body
It is not rotatably equipped with the axletree of left and right directions extension, is fixedly installed with wheel on the axletree, is additionally provided on the frame body
First wheel axial brake device and the second wheel axial brake device, the middle part of the frame body are equipped with cavity, are inserted in the cavity
Hollow shaft is equipped with the rotating dog for protruding into the cavity on the frame body, and the rotating dog extends along the longitudinal direction, described hollow
Axis is equipped with mounting hole, and in the mounting hole, the hollow shaft can be relative to the rotating dog for the rotating dog rotational installation
It swings, the gap to swing for the hollow shaft, the first wheel shaft driving is equipped between the hollow shaft and the cavity
The cable of the cable of device and the second wheel axial brake device penetrates the hollow shaft from the lower end of the hollow shaft and passes through
The upper end of the hollow shaft is pierced by, and is additionally provided with buffer gear between the frame body and car body；The cable of first round axial brake device
Penetrate the hollow shaft from the lower end of the hollow shaft with the cable of the second wheel axial brake device, the angle that cable is bent compared with
It is small, the protection to cable is realized, the service life of cable is extended, functional reliability is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the perspective view of the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the B-B direction cross-sectional view in Fig. 2；
Fig. 4 is the sectional view along A-A in Fig. 2.
Specific embodiment
As shown in Figures 1 to 4, the left and right sides of a kind of differential drive device, including frame body 1, the frame body 1 rotates respectively
The axletree 2 of left and right directions extension is installed, is fixedly installed with wheel 3 on the axletree 2, the is additionally provided on the frame body 1
The middle part of one wheel axial brake device and the second wheel axial brake device, the frame body 1 is equipped with cavity 16,16 interpolation of cavity
There is hollow shaft 4, the rotating dog for protruding into the cavity 16 is installed on the frame body 1, the rotating dog extends along the longitudinal direction, institute
Hollow shaft 4 is stated equipped with mounting hole, in the mounting hole, the hollow shaft 4 can be relative to institute for the rotating dog rotational installation
Rotating dog swing is stated, the gap to swing for the hollow shaft 4 is equipped between the hollow shaft 4 and the cavity 16, it is described
The cable 7 of the cable 7 of first round axial brake device and the second wheel axial brake device penetrates institute from the lower end of the hollow shaft 4
It states hollow shaft and is pierced by by the upper end of the hollow shaft, be additionally provided with buffer gear between the frame body 1 and car body.First wheel shaft
The cable of the cable of driving device and the second wheel axial brake device penetrates the hollow shaft, cable quilt from the lower end of the hollow shaft
The angle of bending is smaller, realizes the protection to cable, extends the service life of cable, and functional reliability is high.Described first
Taking turns axial brake device and the second wheel axial brake device includes motor 17, and the output shaft of the motor 17 is connected with change
Fast case 18,18 drive shaft of the gearbox rotation.
The rotating dog includes the first rotating dog 8 and the second rotating dog 9, and first rotating dog 8 and described second rotate
The axis of pin 9 overlaps, and is set on the hollow shaft 4 there are two mounting hole, first rotating dog is rotatably installed in an institute
It states in mounting hole, second rotating dog is rotatably installed in another described mounting hole.Using two rotating dogs, can reduce in this way
To the occupancy in space in hollow shaft, easily facilitates cable and penetrate hollow shaft.
The buffer gear include be arranged outside the hollow shaft 4 can move up and down and rotate relative to hollow shaft 4
The lower end of axle sleeve 10, the hollow shaft 4 is equipped with annular table 11, and support spring is equipped between the annular table 11 and the axle sleeve 10
12,12 sets of the support spring outside the hollow shaft 4, are equipped with limit between the axle sleeve 10 and the upper end of the hollow shaft 4
Mechanism.Support spring has buffered up and down motion of the axle sleeve relative to hollow shaft, while axle sleeve can be rotated relative to hollow shaft, be convenient for
The trolley for installing this differential drive device, which is realized, to be turned to.
Thrust bearing 13 is additionally provided between the axle sleeve 10 and the upper end of the support spring 12.In order to enable axle sleeve is opposite
It is more smooth provided with the thrust bearing in the rotation of hollow shaft.
Car body mounting base 14 is fixedly installed on the axle sleeve 10, axle sleeve is mounted on the car body by car body mounting base
On.
The position-limit mechanism includes covering stop nut 15 that is outer in the hollow shaft 4 and being located above the axle sleeve 10, institute
The upper end for stating hollow shaft is equipped with the external screw thread cooperated with the stop nut 15.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of differential drive device, which is characterized in that including frame body, the left and right sides of the frame body is rotatably equipped with a left side respectively
The axletree that right direction extends is fixedly installed with wheel on the axletree, and the driving of the first axletree is additionally provided on the frame body
Device and the second wheel axial brake device, the middle part of the frame body are equipped with cavity, are inserted with hollow shaft, the frame body in the cavity
On the rotating dog for protruding into the cavity is installed, the rotating dog extends along the longitudinal direction, the hollow shaft be equipped with mounting hole,
In the mounting hole, the hollow shaft can be swung relative to the rotating dog, the hollow shaft for the rotating dog rotational installation
It is equipped with the gap to swing for the hollow shaft between the cavity, the cable of the first round axial brake device and described
The cable of second wheel axial brake device penetrates the hollow shaft from the lower end of the hollow shaft and passes through the upper end of the hollow shaft
It is pierced by, is additionally provided with buffer gear between the frame body and car body.
2. differential drive device as described in claim 1, which is characterized in that the rotating dog includes the first rotating dog and second
The axis of rotating dog, first rotating dog and second rotating dog overlaps, set on the hollow shaft there are two installation
Hole, first rotating dog are rotatably installed in the mounting hole, and second rotating dog is rotatably installed in another institute
It states in mounting hole.
3. differential drive device as described in claim 1, which is characterized in that the buffer gear is included in outside the hollow shaft
The lower end of the axle sleeve that can be moved up and down and rotate relative to hollow shaft being arranged, the hollow shaft is equipped with annular table, the annular
Support spring is equipped between platform and the axle sleeve, the support spring covers outside the hollow shaft, the axle sleeve and described hollow
Position-limit mechanism is equipped between the upper end of axis.
4. differential drive device as claimed in claim 3, which is characterized in that the upper end of the axle sleeve and the support spring it
Between be additionally provided with thrust bearing.
5. differential drive device as claimed in claim 3, which is characterized in that be fixedly installed with car body installation on the axle sleeve
Seat.
6. differential drive device as claimed in claim 3, which is characterized in that the position-limit mechanism includes covering in the hollow shaft
Stop nut that is outer and being located at the above axle sleeve, the upper end of the hollow shaft are equipped with the outer spiral shell cooperated with the stop nut
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618458.6A CN110182279A (en) | 2019-07-10 | 2019-07-10 | A kind of differential drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618458.6A CN110182279A (en) | 2019-07-10 | 2019-07-10 | A kind of differential drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182279A true CN110182279A (en) | 2019-08-30 |
Family
ID=67725628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618458.6A Pending CN110182279A (en) | 2019-07-10 | 2019-07-10 | A kind of differential drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110182279A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319153A (en) * | 2020-11-05 | 2021-02-05 | 广州赛特智能科技有限公司 | Automatic butt joint device |
| CN114701586A (en) * | 2021-11-04 | 2022-07-05 | 广州高新兴机器人有限公司 | AGV chassis and mobile robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204472569U (en) * | 2015-03-17 | 2015-07-15 | 天津朗誉科技发展有限公司 | With the AGV actuating device of differential steering function |
| CN205737694U (en) * | 2016-05-12 | 2016-11-30 | 昆明旭邦机械有限公司 | A kind of intelligent carriage differential steering device |
| CN207473408U (en) * | 2017-10-23 | 2018-06-08 | 深圳市佳顺智能机器人股份有限公司 | A kind of differential drive mechanism and automatic guide vehicle |
| CN207758907U (en) * | 2017-12-21 | 2018-08-24 | Tcl王牌电器(惠州)有限公司 | Differential drive unit and automatic guided vehicle |
| CN210133211U (en) * | 2019-07-10 | 2020-03-10 | 盛瑞传动股份有限公司 | Differential driving device |
-
2019
- 2019-07-10 CN CN201910618458.6A patent/CN110182279A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204472569U (en) * | 2015-03-17 | 2015-07-15 | 天津朗誉科技发展有限公司 | With the AGV actuating device of differential steering function |
| CN205737694U (en) * | 2016-05-12 | 2016-11-30 | 昆明旭邦机械有限公司 | A kind of intelligent carriage differential steering device |
| CN207473408U (en) * | 2017-10-23 | 2018-06-08 | 深圳市佳顺智能机器人股份有限公司 | A kind of differential drive mechanism and automatic guide vehicle |
| CN207758907U (en) * | 2017-12-21 | 2018-08-24 | Tcl王牌电器(惠州)有限公司 | Differential drive unit and automatic guided vehicle |
| CN210133211U (en) * | 2019-07-10 | 2020-03-10 | 盛瑞传动股份有限公司 | Differential driving device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319153A (en) * | 2020-11-05 | 2021-02-05 | 广州赛特智能科技有限公司 | Automatic butt joint device |
| CN114701586A (en) * | 2021-11-04 | 2022-07-05 | 广州高新兴机器人有限公司 | AGV chassis and mobile robot |
| CN114701586B (en) * | 2021-11-04 | 2023-08-25 | 广州高新兴机器人有限公司 | AGV chassis and mobile robot |
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