CN114179759A - Automobile slow-speed driving device and vehicle with same - Google Patents
Automobile slow-speed driving device and vehicle with same Download PDFInfo
- Publication number
- CN114179759A CN114179759A CN202111544884.3A CN202111544884A CN114179759A CN 114179759 A CN114179759 A CN 114179759A CN 202111544884 A CN202111544884 A CN 202111544884A CN 114179759 A CN114179759 A CN 114179759A
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- driving device
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- driving
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 abstract description 8
- 238000012857 repacking Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000000979 retarding effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The embodiment of the application discloses car retards driving device and has vehicle of this car retards driving device. The device comprises a pre-tightening driving device, a transmission mechanism, a driving device and a driving wheel. Wherein, the pretension driving device is connected with the transmission mechanism. The driving device is connected with the transmission mechanism. The driving wheel is arranged on the driving device. The slow driving device of car and the vehicle that has this slow driving device of car just can realize the slow driving function of vehicle through installing one set of simple step motor system additional, compare in current scheme cost lower, the repacking degree of difficulty is lower, easily promotes. And the change to the vehicle is less, does not need to change the original vehicle transmission system, has reduced the transmission system trouble because of repacking. The transmission efficiency of the vehicle during normal running is not influenced, the vehicle does not influence normal running after a fault occurs, the transmission speed ratio is large, the control precision of the vehicle speed is higher, and the vehicle speed is more stable.
Description
Technical Field
The application relates to the technical field of vehicle driving, in particular to a vehicle retarding driving device and a vehicle with the same.
Background
The conventional vehicle retarding device is usually realized by connecting a gearbox in series in the middle of a vehicle transmission shaft, and the rotating speed of an output shaft of a first-stage gearbox is decelerated by shifting gears of a second-stage gearbox, so that the retarded driving of a vehicle is realized. The existing vehicle retarding driving scheme needs to add a set of gearbox system on the original transmission shaft, so that the transmission chain of the whole vehicle is complicated, the transmission efficiency is low during normal driving, the failure rate is high, the vehicle speed control precision is not high during retarding driving, and the speed fluctuation is large.
Disclosure of Invention
To the deficiency of prior art, an aspect of this application discloses a car retarder device.
The automobile slow speed driving device can comprise a pre-tightening driving device, a transmission mechanism, a driving device and a driving wheel. Wherein, the pretension driving device is connected with the transmission mechanism. The driving device is connected with the transmission mechanism. The driving wheel is arranged on the driving device.
The utility model provides a car retards driving device can provide pretension power by pretension drive arrangement, compresses tightly the drive wheel that sets up on drive arrangement on the vehicle tire through drive mechanism, drives the drive wheel rotation by drive arrangement again, and then drives the vehicle tire rotation to realize the purpose of retaring the driving. Therefore, the small driving motor drives the wheels of the vehicle, so that the vehicle can drive at a very slow speed, and the problem that the vehicle cannot move accurately at a slow speed in some specific scenes is solved. This application drives the vehicle through one set of independent drive arrangement, does not influence the transmission efficiency when the vehicle normally travels, does not influence the vehicle and normally travels after this set of independent drive arrangement breaks down. The device can directly act the driving force on the wheels through friction and other means, the transmission speed ratio is large, the control precision of the vehicle speed is higher, and the vehicle speed is more stable. In addition, the slow-speed running function of the vehicle can be realized by additionally arranging a set of simple stepping motor system, and compared with the existing scheme (changing a transmission shaft and adding a set of gearbox), the slow-speed running function of the vehicle is lower in cost, lower in modification difficulty and easy to popularize; and the application has less change to the vehicle, does not need to change the original vehicle transmission system, and reduces the transmission system faults caused by modification.
According to a preferred embodiment of the application, the pretensioning drive is a hydraulic pretensioning drive, a pneumatic pretensioning drive, an electric pretensioning drive, a cam-rocker arrangement or a worm gear arrangement.
According to a preferred embodiment of the present application, the transmission mechanism is a lever mechanism.
According to a preferred embodiment of the present application, the lever mechanism comprises a support arm and a link. One end of the supporting arm is connected to the frame, and the other end of the supporting arm is rotatably connected to the middle of the connecting rod. One end of the connecting rod is rotatably connected with the pre-tightening driving device. The other end of the connecting rod is connected with the driving device.
According to a preferred embodiment of the present application, the drive means is a drive motor.
According to a preferred embodiment of the present application, the driving wheel is a friction wheel.
Another aspect of the present application discloses a vehicle having a motor vehicle creep drive apparatus. The vehicle with the automobile slow running device comprises the automobile slow running device.
Compared with the prior art, the slow-speed driving device of the automobile and the vehicle with the slow-speed driving device of the automobile have the following beneficial effects:
1. the slow driving device of car and the vehicle that has this slow driving device of car of this application embodiment can provide pretension power by pretension drive arrangement, compresses tightly the drive wheel that sets up on drive arrangement on the vehicle tire through drive mechanism, drives the drive wheel rotation by drive arrangement again, and then drives the vehicle tire rotation to realize the purpose of slow driving. Therefore, the small driving motor drives the wheels of the vehicle, so that the vehicle can drive at a very slow speed, and the problem that the vehicle cannot move accurately at a slow speed in some specific scenes is solved.
2. The automobile slow-speed driving device and the vehicle with the automobile slow-speed driving device drive the vehicle through one set of independent driving device, the transmission efficiency of the vehicle during normal driving is not influenced, and the vehicle does not influence normal driving after the set of independent driving device breaks down.
3. The slow-speed driving device of the automobile and the vehicle with the slow-speed driving device of the automobile can directly act driving force on wheels through means such as friction force, the transmission speed ratio is large, the control precision of the speed of the automobile is higher, and the speed of the automobile is more stable. If the diameter difference between the driving wheel and the wheel is large, the transmission ratio between the driving motor and the wheel is designed to be large, so that the vehicle can be controlled to run at an extremely low speed, and the accuracy and the stability of the vehicle speed are higher than those of the existing scheme.
4. The slow driving device of car and the vehicle that has this slow driving device of car just can realize the slow driving function of vehicle through installing one set of simple step motor system additional, compare in current scheme (change the transmission shaft, increase one set of gearbox) cost lower, and the repacking degree of difficulty is lower, easily promotes.
5. The slow-speed driving device of the automobile and the automobile with the slow-speed driving device of the automobile have small change to the automobile, an original automobile transmission system does not need to be changed, and transmission system faults caused by modification are reduced.
Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,
FIG. 1 is a schematic diagram of a structure of a retarding device for a vehicle according to some embodiments of the present application.
List of reference numerals
100-pretension driving device
200-drive mechanism
210-support arm
220-connecting rod
300-drive device
400-driving wheel
510-vehicle frame
520-tyre
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
One aspect of the embodiment of the application discloses a slow-speed driving device for an automobile.
As shown in fig. 1, the creep drive apparatus for a vehicle may include a preload driving apparatus 100, a transmission 200, a driving apparatus 300, and driving wheels 400.
The pretensioning drive 100 is connected to the transmission 200. The driving device 300 is connected to the transmission mechanism 200. The driving wheel 400 is provided on the driving device 300.
For example, the pretensioning driving device 100 can be a hydraulic pretensioning driving device. For example, in the present embodiment, the pretensioning driving device 100 employs a hydraulic rod. It should be noted that the hydraulic rod used in the pretensioning driving device 100 in the present embodiment is only an example, and those skilled in the art can devise various other solutions based on the disclosure of the present application, and these solutions also fall into the disclosure of the present application and fall into the protection scope of the present application. For example, the pretensioning driving device 100 can also adopt a pneumatic pretensioning driving device (such as a pneumatic telescopic rod), an electric pretensioning driving device (such as an electric telescopic rod), a cam-rocker device or a worm gear device.
Illustratively, the transmission mechanism 200 may be a lever mechanism. Wherein the lever mechanism may include a support arm 210 and a link 220. In the installed state, one end of the support arm 210 is connected to the vehicle frame, and the other end of the support arm 210 is rotatably connected to the middle of the link 220. One end of the link 220 is rotatably connected to the pretensioning driving device 100. The other end of the link 220 is connected to the driving device 300.
In this embodiment, one end of the supporting arm 210 is connected to the frame 510, the other end of the supporting arm 210 is rotatably connected to the middle of the connecting rod 220 through a first hinge connection structure, one end of the hydraulic rod is fixed to the frame, the other end of the hydraulic rod is rotatably connected to one end of the connecting rod 220 through a second hinge connection structure, and the other end of the connecting rod 220 is connected to the driving device 300. So that the driving wheel 400 connected to the driving device 300 of the link 220 can be pressed against the vehicle tire 520 or the driving wheel 400 can be disengaged from the vehicle tire 520 by the extension and contraction of the hydraulic rod.
Illustratively, the driving device 300 may employ a driving motor. In the present embodiment, the driving device 300 employs a stepping motor. It should be noted that the driving device 300 in the present embodiment is a stepping motor, which is only exemplary, and those skilled in the art can devise various other solutions based on the disclosure of the present application, and these solutions also belong to the disclosure of the present application and fall into the protection scope of the present application. For example, the drive device 300 may be a permanent magnet synchronous motor, an asynchronous motor, or the like.
For example, the driving wheel 400 may be a friction wheel. In this embodiment, a friction wheel is mounted on the output shaft of the stepper motor.
The operating principle of the automobile slow driving device of the embodiment is as follows:
the slow driving device of car and the vehicle that has this slow driving device of car of this application embodiment can provide pretension power by pretension drive arrangement, compresses tightly the drive wheel that sets up on drive arrangement on the vehicle tire through drive mechanism, drives the drive wheel rotation by drive arrangement again, and then drives the vehicle tire rotation to realize the purpose of slow driving. Therefore, the small driving motor drives the wheels of the vehicle, so that the vehicle can drive at a very slow speed, and the problem that the vehicle cannot move accurately at a slow speed in some specific scenes is solved.
Specifically, the method comprises the following steps:
when the automobile is normally driven, the automobile slow speed driving device is closed, the hydraulic rod is retracted, and the friction wheel on the stepping motor is separated from the wheel, so that the normal driving of the automobile is not influenced.
When a vehicle needs to run at a slow speed, after the vehicle slow-speed running device is started, the hydraulic rod pushes the connecting rod to move, so that the stepping motor is pushed by the connecting rod to be close to the wheel, the friction wheel is arranged on an output shaft of the stepping motor and is contacted with the outer edge of the wheel, the hydraulic rod continuously pressurizes, and the pressure is transmitted to the stepping motor through the connecting rod, so that the friction wheel is tightly pressed to the outer edge of the wheel; at the moment, the stepping motor is controlled to rotate, the stepping motor drives the friction wheel to rotate, and the friction wheel drives the wheel to rotate, so that the aim of slowing driving is fulfilled.
The embodiment of the application further discloses a vehicle with the automobile slow running device. The vehicle with the automobile slow running device comprises the automobile slow running device according to the embodiment.
The slow driving device of car and have this slow driving device of car of this application embodiment can bring beneficial effect include but not limited to following content:
1. the automobile slow-speed driving device and the vehicle with the automobile slow-speed driving device drive the vehicle through one set of independent driving device, the transmission efficiency of the vehicle during normal driving is not influenced, and the vehicle does not influence normal driving after the set of independent driving device breaks down.
2. The slow-speed driving device of the automobile and the vehicle with the slow-speed driving device of the automobile can directly act driving force on wheels through means such as friction force, the transmission speed ratio is large, the control precision of the speed of the automobile is higher, and the speed of the automobile is more stable. If the diameter difference between the driving wheel and the wheel is large, the transmission ratio between the driving motor and the wheel is designed to be large, so that the vehicle can be controlled to run at an extremely low speed, and the accuracy and the stability of the vehicle speed are higher than those of the existing scheme.
3. The slow driving device of car and the vehicle that has this slow driving device of car just can realize the slow driving function of vehicle through installing one set of simple step motor system additional, compare in current scheme (change the transmission shaft, increase one set of gearbox) cost lower, and the repacking degree of difficulty is lower, easily promotes.
4. The slow-speed driving device of the automobile and the automobile with the slow-speed driving device of the automobile have small change to the automobile, an original automobile transmission system does not need to be changed, and transmission system faults caused by modification are reduced.
It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
In addition, the above-described embodiments are exemplary, and those skilled in the art, having benefit of this disclosure, will appreciate numerous solutions that are within the scope of the disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. The automobile slow driving device is characterized by comprising a pre-tightening driving device (100), a transmission mechanism (200), a driving device (300) and a driving wheel (400);
wherein the pretension driving device (100) is connected with the transmission mechanism (200); the driving device (300) is connected with the transmission mechanism (200); the drive wheel (400) is arranged on the drive device (300).
2. The motor vehicle retarder drive of claim 1, wherein the pretensioning drive (100) is a hydraulic pretensioning drive, a pneumatic pretensioning drive, an electric pretensioning drive, a cam-rocker arrangement or a worm gear arrangement.
3. A slow-driving device according to claim 1, characterised in that said transmission mechanism (200) is a lever mechanism.
4. A slow-driving device according to claim 3, characterised in that said lever mechanism comprises a support arm (210) and a connecting rod (220);
one end of the supporting arm (210) is connected to the frame, and the other end of the supporting arm (210) is rotatably connected to the middle part of the connecting rod (220);
one end of the connecting rod (220) is rotatably connected with the pre-tightening driving device (100); the other end of the connecting rod (220) is connected with the driving device (300).
5. A slow-driving device for a vehicle according to claim 1, characterised in that said driving means (300) is a driving motor.
6. A slow-driving device for a vehicle according to claim 1, characterised in that said driving wheel (400) is a friction wheel.
7. A vehicle having a motor vehicle retarder drive unit, characterized in that the vehicle having a motor vehicle retarder drive unit comprises a motor vehicle retarder drive unit according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544884.3A CN114179759A (en) | 2021-12-16 | 2021-12-16 | Automobile slow-speed driving device and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544884.3A CN114179759A (en) | 2021-12-16 | 2021-12-16 | Automobile slow-speed driving device and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114179759A true CN114179759A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111544884.3A Pending CN114179759A (en) | 2021-12-16 | 2021-12-16 | Automobile slow-speed driving device and vehicle with same |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042076A (en) * | 1976-01-15 | 1977-08-16 | Charles Citelli | Braking system |
| JPS5716030U (en) * | 1980-06-28 | 1982-01-27 | ||
| FR2547256A1 (en) * | 1983-06-07 | 1984-12-14 | Merlin Georges | Retarder device which can be fitted to a heavy goods vehicle, especially to its trailer |
| KR200206533Y1 (en) * | 2000-04-19 | 2000-12-01 | 김창환 | Supplement brake |
| WO2004052704A1 (en) * | 2002-12-11 | 2004-06-24 | Osamu Watanabe | Braking device for rotating bodies, and automobile auxiliary brake using the same |
| CH694692A5 (en) * | 2000-04-18 | 2005-06-15 | Heinrich Rebmann | Flexible roller brake is for wheel with tire on periphery of which flexible roller engages which is fitted on an axle |
| CN201304981Y (en) * | 2008-10-22 | 2009-09-09 | 刘文星 | Quick safe automotive brake device |
| DE202009012802U1 (en) * | 2009-09-21 | 2010-03-04 | Lubs, Wolfgang, Dipl.-Ing. | Trailer with a combination of shunting and roll stop system |
-
2021
- 2021-12-16 CN CN202111544884.3A patent/CN114179759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042076A (en) * | 1976-01-15 | 1977-08-16 | Charles Citelli | Braking system |
| JPS5716030U (en) * | 1980-06-28 | 1982-01-27 | ||
| FR2547256A1 (en) * | 1983-06-07 | 1984-12-14 | Merlin Georges | Retarder device which can be fitted to a heavy goods vehicle, especially to its trailer |
| CH694692A5 (en) * | 2000-04-18 | 2005-06-15 | Heinrich Rebmann | Flexible roller brake is for wheel with tire on periphery of which flexible roller engages which is fitted on an axle |
| KR200206533Y1 (en) * | 2000-04-19 | 2000-12-01 | 김창환 | Supplement brake |
| WO2004052704A1 (en) * | 2002-12-11 | 2004-06-24 | Osamu Watanabe | Braking device for rotating bodies, and automobile auxiliary brake using the same |
| CN201304981Y (en) * | 2008-10-22 | 2009-09-09 | 刘文星 | Quick safe automotive brake device |
| DE202009012802U1 (en) * | 2009-09-21 | 2010-03-04 | Lubs, Wolfgang, Dipl.-Ing. | Trailer with a combination of shunting and roll stop system |
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Application publication date: 20220315 |
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