CN113619540A - Automobile safety braking auxiliary device - Google Patents
Automobile safety braking auxiliary device Download PDFInfo
- Publication number
- CN113619540A CN113619540A CN202110814287.1A CN202110814287A CN113619540A CN 113619540 A CN113619540 A CN 113619540A CN 202110814287 A CN202110814287 A CN 202110814287A CN 113619540 A CN113619540 A CN 113619540A
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- Prior art keywords
- plate
- driver
- arm
- auxiliary device
- braking
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
Abstract
The invention relates to an automobile safety braking auxiliary device, which comprises an automobile body, wherein the automobile body comprises a rear axle, an axle is arranged on the rear axle, and the automobile safety braking auxiliary device also comprises a driver, a controller and an auxiliary speed reducing mechanism, wherein the auxiliary speed reducing mechanism comprises a friction ring sleeved on the axle, a first braking arm, a second braking arm and a rotating shaft, the second braking arm and the rotating shaft are arranged in a crossed manner with the first braking arm; the driver is connected with the auxiliary speed reducing mechanism, the driver is used for driving the first brake arm and the second brake arm to move and match with the friction ring to assist braking, and the controller is in signal connection with the driver and controls the driver to act. The angle between the first brake arm and the second brake arm is changed through the driver, so that the first brake arm and the second brake arm are clasped or loosened to the friction ring, the larger braking force of the automobile in the braking process can be increased, and the purpose of shortening the braking distance of the automobile is achieved.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to an auxiliary device for automobile safety braking.
Background
At present, automobiles become an indispensable part of people's daily life. The automobile brings convenience to people and brings safety risks to people, and the failure of a brake system is an important reason of traffic accidents. If the brake is operated continuously only by the service brake, the service brake is easy to overheat, the braking capability is declined, the abrasion is serious, and even the brake is burnt out. When the existing automobile brakes, the shearing force acting on the tire is continuously increased along with the increase of the friction force between the tire and the ground, and when the shearing force exceeds the shearing resistance between rubber layers, the rubber layers are peeled off, the friction force is not increased any more, and the maximum friction force is reached. Under the condition that the shearing strength of the rubber layer is not changed, the larger the contact part area, namely the shearing area, is, the larger the shearing resistance between the rubber layers is, and the smaller the shearing resistance is otherwise. Because the contact area between the round tire and the ground is very small, the shearing resistance provided by the rubber layer at the contact part is limited, and the maximum friction force is limited, the braking distance is long when the automobile, particularly a heavy automobile, is emergently braked, and accidents are easy to occur.
Disclosure of Invention
The invention aims to provide an auxiliary device for automobile safety braking, which solves the problems mentioned in the background technology.
In order to solve the technical problems, the automobile safety braking auxiliary device comprises an automobile body, wherein the automobile body comprises a rear axle, an axle is mounted on the rear axle, the automobile safety braking auxiliary device also comprises a driver, a controller and an auxiliary speed reducing mechanism, the auxiliary speed reducing mechanism comprises a friction ring sleeved on the axle, a first braking arm, a second braking arm arranged in a crossed manner with the first braking arm and a rotating shaft arranged in parallel with the axle, the first braking arm is provided with a first central hole, a second central hole is formed in the position, corresponding to the first central hole, of the second braking arm, the rotating shaft simultaneously penetrates through the first central hole and the second central hole, and the rotating shaft is fixed below the automobile body through a fixing rod; the driver is connected with the auxiliary speed reducing mechanism, the driver is used for driving the first brake arm and the second brake arm to move and is matched with the friction ring to assist braking, and the controller is in signal connection with the driver and controls the driver to act.
As a modification of the invention, the first brake arm comprises a first cross arm, and a first locking plate and a first driving plate which are arranged at the left and right ends of the first cross arm, the second brake arm comprises a second cross arm, and a second locking plate and a second driving plate which are arranged at the left and right ends of the second cross arm, the first locking plate and the second locking plate are oppositely arranged at the upper and lower sides of the periphery of the friction ring, and the first driving plate and the second driving plate are close to or far away from each other under the action of a driver.
As an improvement of the invention, the driver comprises a driving motor, a concave-shaped fixing frame and a bidirectional screw rod, the driving motor is fixed at the bottom of the vehicle body, the fixing frame is fixed at the bottom of the vehicle body through a fixing rod, the bidirectional screw rod is rotatably connected to the inner side wall of the fixing frame, one end of the bidirectional screw rod penetrates through the fixing frame and is fixedly connected with the output end of the driving motor, the first driving plate and the second driving plate are in threaded connection with the bidirectional screw rod, guide rods are arranged on the inner side wall of the fixing frame and are positioned on two sides of the bidirectional screw rod, and the guide rods penetrate through the first driving plate and the second driving plate and are in sliding connection with the first driving plate and the second driving plate.
As an improvement of the invention, the distance between the rotating shaft and the axle is larger than the distance between the rotating shaft and the bidirectional screw rod.
As a modification of the present invention, the driving motor is a variable speed motor.
As an improvement of the invention, a first friction plate is arranged on one side of the first locking plate close to the friction ring, and a second friction plate is arranged on one side of the second locking plate close to the friction ring.
As an improvement of the invention, the first locking plate and the second locking plate are arc-shaped plates which are attached to the radian of the friction ring.
As a refinement of the invention, the controller is a sensor for detecting the distance between the vehicle and an obstacle in front.
As an improvement of the present invention, a plurality of the auxiliary reduction mechanisms and the drivers are provided correspondingly.
Compared with the prior art, the automobile brake device is provided with the first brake arm and the second brake arm which are mutually crossed and movably linked, the first drive plate and the second drive plate are driven to be close to or far away from each other through the drive motor, so that the angle between the first cross arm and the second cross arm is changed, the first locking plate and the second locking plate are driven to be close to or far away from each other, the first friction plate and the second friction plate are further clasped to or loosened from the friction ring, larger brake force applied to an automobile in the brake process can be increased, and the purpose of shortening the brake distance of the automobile is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a safety brake auxiliary device for a vehicle according to the present invention;
FIG. 2 is a schematic cross-sectional view of the fixing support plate according to the present invention;
in the figure: 1. a vehicle body; 2. a rear axle; 3. an axle; 4. a driver; 41. a drive motor; 42. a fixed mount; 43. a bidirectional lead screw; 44. a guide bar; 5. a controller; 6. an auxiliary speed reduction mechanism; 7. a friction ring; 8. a first brake arm; 81. a first cross arm; 82. a first locking plate; 83. a first drive plate; 84. a first friction plate; 9. a second brake arm; 91. a second cross arm; 92. a second locking plate; 93. a second drive plate; 94. a second friction plate; 10. and rotating the shaft.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1 and 2, an automobile safety braking auxiliary device comprises an automobile body 1, wherein the automobile body 1 comprises a rear axle 2, an axle 3 is installed on the rear axle 2, the automobile safety braking auxiliary device further comprises a driver 4, a controller 5 and an auxiliary speed reducing mechanism 6, the auxiliary speed reducing mechanism 6 comprises a friction ring 7 sleeved on the axle 3, a first braking arm 8, a second braking arm 9 arranged in a crossed mode with the first braking arm 8 and a rotating shaft 10 parallel to the axle 3 and fixed below the automobile body 1 through a fixing rod, a first central hole is formed in the first braking arm 8, a second central hole is formed in the position, corresponding to the first central hole, of the second braking arm 9, and the rotating shaft 10 penetrates through the first central hole and the second central hole simultaneously, namely the first braking arm 8 and the second braking arm 9 are movably connected in a crossed mode to form a certain angle. The driver 4 is connected with the auxiliary speed reducing mechanism 6, the driver 4 is used for driving the first brake arm 8 and the second brake arm 9 to move so as to change the angle between the first brake arm 8 and the second brake arm 9 and is matched with the friction ring 7 to assist braking, and the controller 5 is in signal connection with the driver 4 and controls the action of the driver 4. The auxiliary reduction mechanism 6 and the driver 4 are provided correspondingly, and may be provided in plurality.
The first brake arm 8 comprises a first cross arm 81, a first locking plate 82 and a first driving plate 83 which are arranged at the left end and the right end of the first cross arm 81, the second brake arm 9 comprises a second cross arm 91, a second locking plate 92 and a second driving plate 93 which are arranged at the left end and the right end of the second cross arm 91, the first locking plate 82 and the second locking plate 92 are oppositely arranged at the upper side and the lower side of the periphery of the friction ring 7, a first friction plate 84 is arranged at one side, close to the friction ring 7, of the first locking plate 82, and a second friction plate 94 is arranged at one side, close to the friction ring 7, of the second locking plate 92. The first driving plate 83 and the second driving plate 93 are close to or far away from each other under the action of the driver 4, so that the angle between the first cross arm 81 and the second cross arm 91 is changed, the first locking plate 82 and the second locking plate 92 are driven to be close to or far away from each other, the first friction plate 84 and the second friction plate 94 are further clasped or loosened to the friction ring 7, the larger braking force of the automobile in the braking process can be increased, and the purpose of shortening the braking distance of the automobile is achieved.
The driver 4 comprises a driving motor 41, a concave-shaped fixing frame 42 and a bidirectional screw 43, and preferably, the driving motor 41 can be a variable-speed motor. The driving motor 41 is fixed at the bottom of the vehicle body 1, the fixing frame 42 is fixed at the bottom of the vehicle body 1 through a fixing rod, a bidirectional screw 43 is rotatably connected to the inner side wall of the fixing frame 42, one end of the bidirectional screw 43 penetrates through the fixing frame 42 and is fixedly connected with the output end of the driving motor 41, the first driving plate 83 and the second driving plate 93 are in threaded connection with the bidirectional screw 43, guide rods 44 are arranged on the inner side wall of the fixing frame 42 and located on two sides of the bidirectional screw 43, and the guide rods 44 penetrate through the first driving plate 83 and the second driving plate 93 and are in sliding connection with the first driving plate 83 and the second driving plate 93.
Preferably, the distance between the rotating shaft 10 and the axle 3 is greater than the distance between the rotating shaft 10 and the bidirectional screw 43.
The first locking plate 82 and the second locking plate 92 are arc-shaped plates which are matched with the radian of the friction ring 7.
The controller 5 is a sensor that detects the distance between the vehicle and the obstacle ahead. The sensor sends out an instruction to start the driver through analysis, and the driver provides driving acting force for the first driving plate and the second driving plate to enable the friction plates to clamp the friction ring in an encircling manner, so that a set of brake system is added, the brake capacity of the automobile is improved, and the brake distance of the automobile is shortened.
Finally, it should be noted that: the technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (9)
1. The utility model provides an automobile safety braking auxiliary device, includes the automobile body, the automobile body includes the rear axle, install axletree, its characterized in that on the rear axle: the auxiliary speed reducing mechanism comprises a friction ring sleeved on the axle, a first brake arm, a second brake arm arranged in a crossed manner with the first brake arm and a rotating shaft arranged in parallel with the axle, wherein the first brake arm is provided with a first central hole, a second central hole is formed in the second brake arm corresponding to the first central hole, the rotating shaft simultaneously penetrates through the first central hole and the second central hole, and the rotating shaft is fixed below the automobile body through a fixing rod; the driver is connected with the auxiliary speed reducing mechanism, the driver is used for driving the first brake arm and the second brake arm to move and is matched with the friction ring to assist braking, and the controller is in signal connection with the driver and controls the driver to act.
2. The vehicle safety brake auxiliary device according to claim 1, wherein: the first brake arm comprises a first cross arm, a first locking plate and a first driving plate, the first locking plate and the first driving plate are arranged at the left end and the right end of the first cross arm, the second brake arm comprises a second cross arm, a second locking plate and a second driving plate, the second locking plate and the second driving plate are arranged at the left end and the right end of the second cross arm, the first locking plate and the second locking plate are arranged on the upper side and the lower side of the periphery of the friction ring relatively, and the first driving plate and the second driving plate are close to or far away from each other under the action of a driver.
3. The vehicle safety brake auxiliary device according to claim 2, wherein: the driver includes driving motor, character cut in bas-relief shape mount and two-way lead screw, driving motor fixes in the automobile body bottom, the mount passes through the dead lever to be fixed in the automobile body bottom, it is connected with two-way lead screw to rotate on the mount inside wall, two-way lead screw one end is passed mount and driving motor's output fixed connection, first drive plate and second drive plate and two-way lead screw threaded connection, it is equipped with the guide bar to lie in two-way lead screw both sides on the mount inside wall, the guide bar pass first drive plate and second drive plate and with first drive plate and second drive plate sliding connection.
4. The vehicle safety brake auxiliary device according to claim 3, wherein: the distance between the rotating shaft and the axle is larger than the distance between the rotating shaft and the bidirectional screw rod.
5. The vehicle safety brake auxiliary device according to claim 3, wherein: the driving motor is a variable speed motor.
6. The vehicle safety brake auxiliary device according to claim 2, wherein: a first friction plate is arranged on one side, close to the friction ring, of the first locking plate, and a second friction plate is arranged on one side, close to the friction ring, of the second locking plate.
7. The vehicle safety brake auxiliary device according to claim 2, wherein: the first locking plate and the second locking plate are arc-shaped plates attached to the radian of the friction ring.
8. The vehicle safety brake auxiliary device according to claim 1, wherein: the controller is a sensor for detecting the distance between the automobile and the front obstacle.
9. The vehicle safety brake auxiliary device according to claim 1, wherein: the auxiliary speed reducing mechanism and the driver are correspondingly provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814287.1A CN113619540A (en) | 2021-07-19 | 2021-07-19 | Automobile safety braking auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814287.1A CN113619540A (en) | 2021-07-19 | 2021-07-19 | Automobile safety braking auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113619540A true CN113619540A (en) | 2021-11-09 |
Family
ID=78380110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110814287.1A Pending CN113619540A (en) | 2021-07-19 | 2021-07-19 | Automobile safety braking auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113619540A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980067748U (en) * | 1997-05-29 | 1998-12-05 | 양재신 | Automobile auxiliary brake |
| KR20030028931A (en) * | 2001-10-04 | 2003-04-11 | 에스케이 텔레콤주식회사 | Auxiliary Brake Apparatus For Vehicle |
| JP3093806U (en) * | 2002-11-01 | 2003-05-23 | 江水 蘇 | Brake assist device |
| US20050162002A1 (en) * | 2002-05-08 | 2005-07-28 | Zhide Feng | Auxiliary brake control system |
| CN207030826U (en) * | 2017-08-09 | 2018-02-23 | 河北建设集团卓诚路桥工程有限公司 | A kind of new type auto gantry crane anti-wind brake |
| CN110053594A (en) * | 2019-05-15 | 2019-07-26 | 斯沃博达汽车电子（昆山）有限公司 | The auxiliary brake control method of Vehicle brake assist system, automobile and automobile |
-
2021
- 2021-07-19 CN CN202110814287.1A patent/CN113619540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980067748U (en) * | 1997-05-29 | 1998-12-05 | 양재신 | Automobile auxiliary brake |
| KR20030028931A (en) * | 2001-10-04 | 2003-04-11 | 에스케이 텔레콤주식회사 | Auxiliary Brake Apparatus For Vehicle |
| US20050162002A1 (en) * | 2002-05-08 | 2005-07-28 | Zhide Feng | Auxiliary brake control system |
| JP3093806U (en) * | 2002-11-01 | 2003-05-23 | 江水 蘇 | Brake assist device |
| CN207030826U (en) * | 2017-08-09 | 2018-02-23 | 河北建设集团卓诚路桥工程有限公司 | A kind of new type auto gantry crane anti-wind brake |
| CN110053594A (en) * | 2019-05-15 | 2019-07-26 | 斯沃博达汽车电子（昆山）有限公司 | The auxiliary brake control method of Vehicle brake assist system, automobile and automobile |
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