CN211452861U

CN211452861U - Double-effect braking robot for automobile

Info

Publication number: CN211452861U
Application number: CN202020289472.4U
Authority: CN
Inventors: 刘伟; 孙超林; 余福珍; 祝亚运
Original assignee: Beijing Ayre Power Technology Co ltd
Current assignee: Beijing Ayre Power Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-09-08
Anticipated expiration: 2030-03-10

Abstract

The utility model provides a be used for car economic benefits and social benefits braking robot relates to unmanned driving technique field, has solved car longitudinal control device technique and has still not too ripe, and the reliability is relatively poor, and tester's safety is difficult to the technical problem of effective guarantee. The double-effect braking robot for the automobile comprises a double-motor driving assembly, an adjusting arm and a pedal clamping assembly; the length of the adjusting arm can be adjusted, and two ends of the adjusting arm are detachably connected with the double-motor driving assembly and the pedal clamping assembly respectively; the pedal clamping assembly is fixed with a brake pedal of an automobile; the double-motor driving assembly is driven by two mutually independent motors and can independently drive the adjusting arm to press the brake pedal to brake the automobile. The utility model discloses a two motors can brake alone, have improved the reliability, have better ensured tester's safety. And simultaneously, the utility model discloses can not occupy the seat space, the driver's cabin of being convenient for takes the tester.

Description

Double-effect braking robot for automobile

Technical Field

The utility model belongs to the technical field of the unmanned technique and specifically relates to a be used for car economic benefits and social benefits braking robot is related to.

Background

In recent years, with the development of automobile technology, automobiles are more and more commonly used, and the complexity caused by the automobiles is also upgraded continuously. Under the background of the rise of artificial intelligence, various unmanned and intelligent test technologies about automobiles emerge endlessly.

AEB tests, durability tests, and the like for automobiles in the automobile test industry and research are control tests for longitudinal running of automobiles. The external automobile longitudinal control device with the emergency braking function can reduce the damage of a dangerous test to a tester on one hand, and overcomes the defects that a driver cannot achieve repeatability, recordability and the like in an automobile test on the other hand.

At present, the wire control technology of an automobile is not completely mature, and the purpose of maintaining safety is achieved by means of an external control system in a test stage so as to carry out wire control test on a certain function, but the reliability is poor, and the safety is difficult to guarantee. Meanwhile, CN201820129272 discloses a combined braking accelerating robot, because one motor controls an accelerator and a brake through two sets of clutches, when an automobile is tested, if the accelerator is continuously stepped on and other sudden conditions are met, the automobile cannot be stopped, and unnecessary danger is easily increased for testing personnel.

The applicant has found that the prior art has at least the following technical problems:

the existing automobile longitudinal control device is not mature in technology, poor in reliability and difficult to effectively guarantee the safety of testers.

Disclosure of Invention

An object of the utility model is to provide a be used for car economic benefits and social benefits braking robot to the car longitudinal control device technique that exists among the solution prior art is still not too ripe, and the reliability is relatively poor, and tester's safety is difficult to the technical problem of effective guarantee. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a double-effect brake robot for automobiles, which comprises a double-motor driving assembly, an adjusting arm and a pedal clamping assembly; the length of the adjusting arm can be adjusted, and two ends of the adjusting arm are detachably connected with the double-motor driving assembly and the pedal clamping assembly respectively; the pedal clamping assembly is fixed with a brake pedal of an automobile; the double-motor driving assembly is driven by two mutually independent motors and can independently drive the adjusting arm to press the brake pedal to brake the automobile.

Optionally, the dual-motor drive assembly comprises a speed reduction motor device, a band-type brake motor device and a rocker arm; the speed reducing motor device and the band-type brake motor device are connected to two sides of the rocker arm and can drive the rocker arm to rotate.

Optionally, the gear motor device comprises a gear motor, a first output shaft, a first bearing and a first support; the speed reducing motor is connected with the first support and is in transmission connection with the rocker arm through the first output shaft and the first bearing.

Optionally, the band-type brake motor device comprises a band-type brake motor, a speed reducing mechanism, a second output shaft, a second bearing and a second support; the band-type brake motor is connected with the speed reducing mechanism for speed reduction; the speed reducing mechanism is connected with the second support and is in transmission connection with the rocker arm through the second output shaft and the second bearing.

Optionally, the dual-machine driving assembly further comprises a baffle plate; the baffle plate is detachably connected with the second support.

Optionally, the adjusting arm comprises a first fisheye ball head, a second fisheye ball head, a limiting sleeve and an adjusting device; the first fisheye ball head and the adjusting device are connected with the limiting sleeve; the first fisheye ball head and the second fisheye ball head are positioned at two ends of the adjusting arm and are respectively connected with the double-machine driving assembly and the pedal clamping assembly; the adjusting device can adjust the length of the adjusting arm.

Optionally, the adjusting device comprises an adjusting rod, a corrugated rod, a knurled gland, a spring, a steel ball and a steel wire retainer ring; the adjusting rod is connected with the limiting sleeve; the corrugated rod is sleeved with the adjusting rod and can slide in the adjusting rod; the knurled gland is fixed at the connecting position of the adjusting rod and the corrugated rod; the spring, the steel balls and the steel wire retainer ring can limit the relative movement of the adjusting rod and the corrugated rod through the elastic action.

Optionally, the other end of the adjusting rod connected with the corrugated rod is further connected with a magnet block.

Optionally, the pedal clamping assembly comprises a first clamping block, a second clamping block, a cylindrical guide rail, a limiting flat plate and a fixed base; the first clamping block and the second clamping block are connected through the cylindrical guide rail and jointly fix a brake pedal of an automobile; the limiting flat plate is connected with the first clamping block and the second clamping block through screws; the fixed base is connected with the limiting flat plate through screws.

Optionally, the pedal clamping assembly further comprises a second connecting piece, and the second connecting piece is detachably connected with the fixed base and connected with the adjusting arm.

Any technical scheme can at least produce the following technical effects:

the utility model discloses a two motors can brake alone, do not produce the interference each other, have improved the reliability, have better ensured tester's safety. And simultaneously, the utility model discloses install in driver's cabin seat the place ahead position, can not occupy the seat space, the driver's cabin of being convenient for takes the tester.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

FIG. 1 is a perspective view of a dual action braking robot for an automobile;

FIG. 2 is a perspective view of the dual drive assembly;

FIG. 3 is an exploded view of a dual motor drive assembly;

FIG. 4 is a front view of the adjustment arm;

FIG. 5 is an exploded view of the adjustment arm;

FIG. 6 is a perspective view of the pedal clamping assembly;

figure 7 is an exploded view of the pedal clamping assembly.

1. A gear motor device; 11. a reduction motor; 12. a first output shaft; 13. a first bearing; 14. a first support; 15. a first screw; 16. a second screw; 2. a band-type brake motor device; 21. a band-type brake motor; 22. a speed reduction mechanism; 23. a second output shaft; 24. a second bearing; 25. a second support; 26. a third screw; 27. a fourth screw; 28. a fifth screw; 29. a gasket; 3. a rocker arm; 31. a first connecting member; 4. a baffle plate; 41. a sixth screw; 5. an adjusting arm; 51. a first fisheye ball head; 52. a second fisheye ball head; 53. a limiting sleeve; 54. an adjustment device; 541. adjusting a rod; 542. a corrugated rod; 543. knurling a gland; 544. a spring; 545. steel balls; 546. a steel wire retainer ring; 547. a magnet block; 548. a seventh screw; 6. a pedal clamping component; 61. a first clamping block; 62. a second clamp block; 63. a cylindrical guide rail; 64. a limiting flat plate; 65. a fixed base; 66. a second connecting member; 67. a threaded guide rod; 68. an eighth screw; 69. and a ninth screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a be used for car double-effect braking robot, as shown in fig. 1, including duplex drive assembly, regulating arm 5 and footboard clamping subassembly 6. The length of the adjusting arm 5 can be adjusted, so that the adjusting arm can adapt to the length requirements of different vehicle types conveniently. The two ends of the adjusting arm 5 are detachably connected with the double-machine driving assembly and the pedal clamping assembly 6 respectively, so that the adjusting arm is convenient to mount and dismount. The pedal clamping component 6 is fixed with a brake pedal of an automobile; the double-motor driving assembly is driven by two mutually independent motors and can independently drive the adjusting arm 5 to press the brake pedal to brake the automobile. Two motors can brake alone, do not produce the interference each other, have improved the reliability, have better ensured tester's safety. And simultaneously, the utility model discloses install in driver's cabin seat the place ahead position, can not occupy the seat space, the driver's cabin of being convenient for takes the tester.

As an alternative embodiment, as shown in fig. 2-3, the dual-motor drive assembly includes a reduction motor device 1, a band-type brake motor device 2 and a rocker arm 3. The gear motor device 1 and the band-type brake motor device 2 are connected on two sides of the rocker arm 3, both can drive the rocker arm 3 to rotate, and the rocker arm 3 can drive the adjusting arm 5 to move after rotating. The speed reducing motor device 1 comprises a speed reducing motor 11, a first output shaft 12, a first bearing 13 and a first support 14, preferably, the first output shaft 12 is a single-claw output shaft, the speed reducing motor 11 can meet the requirement of slow rotation of the rocker arm 3, and the speed reducing motor 11 and the first output shaft 12 are fixedly connected through a first screw 15 to form a first power source of the double-motor driving assembly. A first power source formed by the speed reducing motor 11 and the first output shaft 12 is connected with the first support 14 through a second screw 16, the first bearing 13 is pressed into the first support 14 through a press machine, and the rocker arm 3 is sleeved into an inner ring of the first bearing 13. Therefore, the speed reducing motor 11 is in transmission connection with the rocker arm 3 through the first output shaft 12 and the first bearing 13, the rotation of the speed reducing motor 11 can be transmitted to the rocker arm 3 to rotate, and the rocker arm 3 drives the adjusting arm 5 to move through the first connecting piece 31. The band-type brake motor device 2 comprises a band-type brake motor 21, a speed reducing mechanism 22, a second output shaft 23, a second bearing 24 and a second support 25. The rotation position can be locked when the band-type brake motor 21 is stopped, and it is preferable that the second output shaft 23 is a single-claw output shaft, and the second output shaft 23 is fixed to the reduction gear mechanism 22 via a spacer 29 and a screw. The band-type brake motor 21 is connected with the speed reducing mechanism 22 through a third screw 26 for speed reduction, and the speed reducing mechanism 22 can be a gear reduction box and the like; the speed reducing mechanism 22 is connected with the second support 25 and is in transmission connection with the rocker arm 3 through a second output shaft 23 and a second bearing 24, the second bearing 24 is pressed into the second support 25 through a press machine, the rocker arm 3 is sleeved into an inner ring of the second bearing 24, and the rocker arm 3 drives the adjusting arm 5 to move through a first connecting piece 31. The contracting brake motor 21, the speed reducing mechanism 22 and the second output shaft 23 form a second power source of the double-machine driving assembly, and are connected with the second support 25 through a fourth screw 27. The first and

second brackets

14 and 25 are fastened by a fifth screw 28, so that the first and second power sources are assembled with the rocker arm 3. In the actual operation process, according to the task issued by the task file, the environmental perception of the external sensor and the longitudinal speed feedback of the vehicle, the traveling speed, the speed reduction and the stop of the vehicle are controlled by controlling the speed reduction motor 11 (which is the prior art in the field of unmanned driving). In the process of traveling, under the emergency conditions that the speed reducing motor 11 cannot execute tasks or cannot execute completely, a traveling route deviates and the like, in order to ensure the safety of vehicle testers and a vehicle body, the emergency braking control system can independently issue emergency braking commands to the band-type brake motor device 2, drive the adjusting arm 5 and the pedal clamping component 6 to step on a brake pedal, and therefore the vehicle can be rapidly stopped. The second power source can set up independent power and control system, does not receive the control system and the power interference of first power source, and the order execution is independent, quick, and the band-type brake function through band-type brake motor 21 after the order execution for regulating arm 5 keeps the execution state always, makes the security improve greatly. Meanwhile, the first power source and the second power source can be communicated with each other, so that when the first power source fails to execute a task or the task is not completely executed due to a fault, the second power source can be started, the danger that various faults such as non-task files, power sources and signals cause incapability of braking is avoided, and the driving safety is enhanced. The double-motor driving assembly is simple in overall structure, independent control can be achieved between the speed reducing motor device 1 and the band-type brake motor device 2, operation is facilitated, and safety of testing personnel is better guaranteed.

As an alternative embodiment, as shown in fig. 1-3, the dual-motor drive assembly further includes a baffle 4; the baffle plate 4 not only plays a role in supporting the double-motor driving assembly, but also is convenient for the double-motor driving assembly to be reliably fixed at the front position and other positions of the seat integrally, and the situations of accidental braking and the like caused by shaking are avoided. The baffle 4 is detachably connected with the second support 25, and the baffle 4 is connected with the second support 25 through sixth screws 41, preferably, the number of the sixth screws 41 is four.

As an alternative embodiment, as shown in fig. 4-5, the adjustment arm 5 includes a first fisheye ball head 51, a second fisheye ball head 52, a limit sleeve 53, and an adjustment device 54. The first fisheye ball head 51 and the adjusting device 54 are connected with the limiting sleeve 53, preferably, the first fisheye ball head 51 and the adjusting device 54 are provided with external threads, the limiting sleeve 53 is provided with internal threads, the first fisheye ball head 51 is in threaded connection with the limiting sleeve 53, and the adjusting device 54 is in threaded connection with the limiting sleeve 53. The first fisheye ball head 51 and the second fisheye ball head 52 are located at two ends of the adjusting arm 5 and are respectively connected with the double-machine driving assembly and the pedal clamping assembly 6, namely the first fisheye ball head 51 is connected with the first connecting piece 31 of the double-machine driving assembly, and the second fisheye ball head 52 is connected with the second connecting piece 66 of the pedal clamping assembly 6, so that the double-machine driving assembly, the adjusting arm 5 and the pedal clamping assembly 6 are fixed. The adjusting device 54 can adjust the length of the adjusting arm 5, so that the adjusting device can adapt to the sizes of different automobiles and the use requirements of different automobiles. As shown in fig. 5, the adjusting device 54 includes an adjusting rod 541, a corrugated rod 542, a knurled gland 543, a spring 544, a steel ball 545, and a wire retainer 546. The adjusting rod 541 is connected with the limit sleeve 53. The corrugated rod 542 is fitted to the adjustment rod 541, and when the knurled cover 543 is pressed, the corrugated rod 542 can slide in the adjustment rod 541. The knurled gland 543 is fixed at the connecting position of the adjusting rod 541 and the corrugated rod 542; the spring 544, the steel balls 545 and the wire retainer 546 can limit the relative movement of the adjusting rod 541 and the corrugated rod 542 through the elastic force, and the wire retainer 546 can prevent the steel balls 545 from rolling out. When the knurled gland 543 is loosened, the knurled gland 543 is pushed by the elastic force of the spring 544, the steel ball 545 on the adjusting rod 541 is pressed into the groove of the adjusting rod 541 (the groove structure matched with the steel ball 545 is arranged in the adjusting rod 541) by the inner wall of the knurled gland 543, and therefore the sliding of the corrugated rod 542 in the adjusting rod 541 is limited. The other end of the adjusting rod 541 connected to the corrugated rod 542 is further connected to a magnet block 547, and the magnet block 547 is fixed to the adjusting rod 541 by a seventh screw 548. Pressing and loosening the length adjustment of corrugated rod 542 in adjusting pole 541 has been realized to annular knurl gland 543 to the realization is adjusted the total length of adjusting arm 5, under the prerequisite of being convenient for adjust, adjusting device 54 makes adjusting arm 5 the flexible phenomenon can not appear in the work engineering, and the adsorption efficiency of magnet 547 also makes adjusting arm 5 can reset completely when artificial regulation, has guaranteed stability and security in the operation of car double-effect braking robot.

As an alternative embodiment, as shown in fig. 6 to 7, the pedal clamping assembly 6 includes a first clamping block 61, a second clamping block 62, a cylindrical guide rail 63, a limiting flat plate 64 and a fixing base 65. First clamp splice 61, second clamp splice 62 pass through cylindrical guide rail 63 and connect, and first clamp splice 61, second clamp splice 62 set up relatively, are K type structure, form accommodation space inside, fix the brake pedal of car jointly. The cylindrical guide rail 63 comprises external threads, the number of the external threads is preferably two, and through holes matched with the cylindrical guide rail 63 are formed in the corresponding positions of the first clamping block 61 and the second clamping block 62, so that the distance between the first clamping block 61 and the second clamping block 62 can be adjusted in an adaptive mode, and the brake pedal can be adjusted and fixed in an adaptive mode according to the width of the brake pedal. After the first clamping block 61 and the second clamping block 62 are connected through the cylindrical guide rail 63, the cylindrical guide rail 63 is fixed through the screw, and therefore the fixing effect is better. Preferably, the first clamping block 61 and the second clamping block 62 are further connected and fixed through the threaded guide rod 67, so that the first clamping block 61 and the second clamping block 62 can be further prevented from falling off from the brake pedal, and a better fixing effect is achieved. The limiting flat plate 64 is in screw connection with the first clamping block 61 and the second clamping block 62, and is in screw connection and fixation through ninth screws 69, preferably, the number of the ninth screws 69 is two; the fixing base 65 is screwed to the limit plate 64 and fixed by eight screws 68, and there are two selected eighth screws 68. The pedal clamping assembly 6 further comprises a second connecting piece 66, the second connecting piece 66 is detachably connected with the fixed base 65, the fixed base 65 is provided with bolt holes, the second connecting piece 66 is a connecting bolt, the second connecting piece 66 is connected with the second fisheye ball head 52 of the adjusting arm 5, and the adjusting arm 5 and the pedal clamping assembly 6 are fixedly connected. Therefore, the pedal clamping assembly 6 is convenient and quick to install, the first clamping block 61 and the second clamping block 62 are fixed in a double mode through the cylindrical guide rail 63 and the threaded guide rod 67 and are not prone to falling off, production cost is low, and batch production is facilitated.

The utility model discloses an installation as follows: firstly, the double-motor driving assembly is assembled, the double-motor driving assembly is fixed in the front position of a seat of an automobile, then the corrugated rod 542 is connected with the fixed second connecting piece 66 of the pedal clamping assembly 6, the brake pedal is clamped through the first clamping block 61 and the second clamping block 62 and is fastened through the threaded guide rod 67, and the limiting flat plate 64 containing the fixed base 65, the second connecting piece 66 and the corrugated rod 542 is respectively fixed on the first clamping block 61 and the second clamping block 62. And then the adjusting rod 541 containing the spring pressing device is connected with the corrugated rod 542 and adjusted to a proper position, the limiting sleeve 53 is sleeved on the adjusting rod 541, the first fisheye ball head 51 is connected with the first connecting piece 31 of the rocker arm 3 of the double-motor driving assembly, the knurled gland 543 is pressed, the adjusting rod 541 is pulled upwards until the adjusting rod 541 abuts against the magnet block 547 in the limiting sleeve 53, and the knurled gland 543 is loosened, so that the installation of the whole double-effect braking robot is completed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A double-effect braking robot for an automobile is characterized by comprising a double-motor driving assembly, an adjusting arm and a pedal clamping assembly; the length of the adjusting arm can be adjusted, and two ends of the adjusting arm are detachably connected with the double-motor driving assembly and the pedal clamping assembly respectively; the pedal clamping assembly is fixed with a brake pedal of an automobile; the double-motor driving assembly is driven by two mutually independent motors and can independently drive the adjusting arm to press the brake pedal to brake the automobile.

2. The double-effect braking robot for the automobile as claimed in claim 1, wherein the double-motor driving assembly comprises a speed reduction motor device, a band-type brake motor device and a rocker arm; the speed reducing motor device and the band-type brake motor device are connected to two sides of the rocker arm and can drive the rocker arm to rotate.

3. The double-effect braking robot for the automobile as claimed in claim 2, wherein the gear motor device comprises a gear motor, a first output shaft, a first bearing and a first support; the speed reducing motor is connected with the first support and is in transmission connection with the rocker arm through the first output shaft and the first bearing.

4. The double-effect braking robot for the automobile as claimed in claim 2, wherein the brake motor device comprises a brake motor, a speed reducing mechanism, a second output shaft, a second bearing and a second support; the band-type brake motor is connected with the speed reducing mechanism for speed reduction; the speed reducing mechanism is connected with the second support and is in transmission connection with the rocker arm through the second output shaft and the second bearing.

5. The dual active braking robot for automobile of claim 4 wherein said dual drive assembly further comprises a baffle; the baffle plate is detachably connected with the second support.

6. The dual-action brake robot for automobiles according to claim 1, wherein said adjusting arm comprises a first fisheye ball head, a second fisheye ball head, a limiting sleeve and an adjusting device; the first fisheye ball head and the adjusting device are connected with the limiting sleeve; the first fisheye ball head and the second fisheye ball head are positioned at two ends of the adjusting arm and are respectively connected with the double-machine driving assembly and the pedal clamping assembly; the adjusting device can adjust the length of the adjusting arm.

7. The double-effect braking robot for the automobile as claimed in claim 6, wherein the adjusting device comprises an adjusting rod, a corrugated rod, a knurled gland, a spring, a steel ball and a steel wire retainer ring; the adjusting rod is connected with the limiting sleeve; the corrugated rod is sleeved with the adjusting rod and can slide in the adjusting rod; the knurled gland is fixed at the connecting position of the adjusting rod and the corrugated rod; the spring, the steel balls and the steel wire retainer ring can limit the relative movement of the adjusting rod and the corrugated rod through the elastic action; the other end of the adjusting rod connected with the corrugated rod is also connected with a magnet block.

8. The double-effect braking robot for the automobile as claimed in any one of claims 1 to 7, wherein the pedal clamping assembly comprises a first clamping block, a second clamping block, a cylindrical guide rail, a limiting flat plate and a fixed base; the first clamping block and the second clamping block are connected through the cylindrical guide rail and jointly fix a brake pedal of an automobile; the limiting flat plate is connected with the first clamping block and the second clamping block through screws; the fixed base is connected with the limiting flat plate through screws.

9. The dual-action brake robot for automobiles according to claim 8, wherein said pedal clamping assembly further comprises a second connecting piece, said second connecting piece is detachably connected with said fixed base and connected with said adjusting arm.

10. The dual active braking robot for automobiles of claim 9 wherein the first and second clamp blocks are further fixed by threaded guide rods.