CN216116782U

CN216116782U - Brake anti-lock braking system detection platform

Info

Publication number: CN216116782U
Application number: CN202122780095.1U
Authority: CN
Inventors: 田作友; 刘学术; 高有磊; 杨丰沛; 葛建民
Original assignee: Shandong Xinlingzhi Testing Technology Co ltd
Current assignee: Shandong Xinlingzhi Testing Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-22
Anticipated expiration: 2031-11-15

Abstract

A detection platform of an anti-lock braking system comprises a front wheel detection part, a rear wheel detection part and a universal driving shaft, the front wheel measuring part and the rear wheel measuring part are respectively arranged in a front groove and a rear groove which are arranged in front and back, a shaft groove is arranged between the front groove and the rear groove, a linkage shaft is arranged in the shaft groove, two ends of the linkage shaft are respectively connected with the front wheel measuring part and the rear wheel measuring part, a group of wheel measuring units are respectively arranged on two sides of the front wheel measuring part and the rear wheel measuring part, the wheel contact measuring unit comprises a driving roller, a driven roller, a supporting roller and a motor, the driving roller, the driven roller and the supporting roller are arranged in parallel, the driven roller is connected with a connecting plate, the tail end of the connecting plate is connected with a vertically downward plumb bob, a clutch is arranged between the driving roller and the motor, and whether the driving roller is driven by the motor to rotate or not is determined through the clutch. The detection platform can synchronously detect the ABS of the vehicle, and the simulation truth degree is improved.

Description

Brake anti-lock braking system detection platform

Technical Field

The utility model relates to the technical field of vehicle detection, in particular to a brake anti-lock system detection platform.

Background

The Antilock Brake System (ABS) is called as an Antilock Brake System (ABS). The brake force of the brake is automatically controlled when the automobile brakes, so that wheels are not locked and are in a state of rolling and sliding (the sliding rate is about 20%) to ensure that the adhesive force between the wheels and the ground is at the maximum, and the safety coefficient of emergency braking of the automobile is improved when the automobile brakes.

The ABS system of an automobile's structure constitutes very complicacy, and the factor that influences its performance is also very many, consequently need detect the ABS system of automobile, just can normally go on the road and travel after detecting qualified, guarantees that the vehicle emergency braking has enough high factor of safety occasionally. Road testing is very dangerous and requires significant time and capital costs. There is a monitoring station on the market that enables a vehicle to perform performance testing of an ABS system in situ by simulating the hard braking of the vehicle on the road. The applicant of the present invention has proposed a test bed for ABS of an automobile in patent No. 201220475610.3, which separately simulates road environment to detect braking performance of front wheels and rear wheels through a fixed table body and a movable table body that independently work front and rear, but the ABS of the automobile is a four-wheel unified control distribution braking force, and if the front wheels and the rear wheels are independently simulated and detected, the authenticity of the simulation detection is lost, so that the simulation detection result of the ABS and the actual road work result are slightly different, which is not very strict.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a brake anti-lock system detection platform which comprises a front wheel detection part, a rear wheel detection part and a linkage shaft, wherein the linkage shaft is connected with the front wheel detection part and the rear wheel detection part in front and at the rear, so that the front wheel detection part and the rear wheel detection part can synchronously measure an ABS system of a vehicle, the authenticity of simulation is improved, and the detection result is more real and effective.

The technical scheme of the utility model is as follows:

a brake anti-lock braking system detection platform comprises a front wheel detection part, a rear wheel detection part and a linkage shaft, wherein the front wheel detection part and the rear wheel detection part are respectively arranged in a front groove and a rear groove which are arranged in front and back, a shaft groove is arranged between the front groove and the rear groove, the linkage shaft is arranged in the shaft groove, and two ends of the linkage shaft are respectively connected with the front wheel detection part and the rear wheel detection part, so that the front wheel detection part and the rear wheel detection part can synchronously perform ABS detection on a vehicle;

further, front wheel measurement portion and rear wheel measurement portion both sides respectively are provided with a set of wheel survey unit, total four sets of wheel survey units, wheel survey unit includes drive roll, driven voller, backing roll and motor, parallel arrangement between drive roll, driven voller and the backing roll, drive roll and backing roll and wheel contact, the driven voller is connected with the connecting plate, the end-to-end connection of connecting plate has vertical decurrent plummet, be provided with the clutch between drive roll and the motor, decide whether the drive roll rotates by motor drive through the clutch.

According to the anti-lock brake system detection platform, the slide rails are arranged on the bottom surface of the rear groove and are parallel to the arrangement direction of the shaft groove, and the lower surface of the rear wheel measurement part is connected with the slide rails in a sliding mode, so that the detection platform can be suitable for vehicles with different shaft lengths.

Furthermore, the universal driving shaft comprises a front half shaft and a rear half shaft, the front half shaft is connected with the front wheel measuring part, the rear half shaft is connected with the rear wheel measuring part, and the front half shaft and the rear half shaft are connected through a spline, so that the universal driving shaft can be lengthened or shortened along with the movement of the rear wheel measuring part.

Further, the shortest length of the linkage shaft is not less than the length of the shaft groove.

Furthermore, the front wheel measurement portion is provided with a first connector towards the rear wheel measurement portion, a clutch is arranged between one end of the first connector and the motor of the front wheel measurement portion and connected with the first connector, the clutch determines whether the linkage shaft is driven to rotate by the motor of the front wheel measurement portion or not through opening and closing, and a first coupler is arranged at the other end of the clutch and connected with the front half shaft through the first coupler.

Furthermore, rear wheel survey portion is provided with the first connector towards front wheel survey portion, be provided with the clutch between the motor of first connector one end and rear wheel survey portion and be connected, the clutch is through opening and shutting decision universal driving shaft whether by the motor drive rotation of rear wheel survey portion, and the other end is provided with the second shaft coupling, through second shaft coupling and latter half hub connection. The first coupler and the first coupler can work together to compensate relative displacement of two axes, shaking of the linkage shaft is reduced, and the front wheel measuring portion and the rear wheel measuring portion are prevented from being damaged by shaking of the linkage shaft.

Utility model for prior art gained beneficial effect lie in:

the utility model provides a brake anti-lock system detection platform, wherein a linkage shaft is arranged between a front wheel detection part and a rear wheel detection part of the detection platform for connection, and the linkage shaft can keep the front wheel detection part and the rear wheel detection part to work synchronously, so that the running of an automobile on an actual road is truly simulated, the authenticity of simulation is improved, and the authenticity of detection data is also improved. The clutch is arranged between the linkage shaft and the front wheel measuring part and between the linkage shaft and the rear wheel measuring part, and an operator can determine whether the linkage shaft is communicated with the front wheel measuring part and the rear wheel measuring part through the clutch according to use requirements.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic view of a brake anti-lock brake system inspection table according to embodiment 1;

FIG. 2 is a top view of the inspection stage in example 1;

FIG. 3 is a schematic view of a front wheel measuring section in embodiment 1;

the components represented by the reference numerals in the figures are:

1. front wheel measuring part 11, front groove 2, rear wheel measuring part 21, rear groove 3, linkage shaft 31, shaft groove 32, front half shaft 33, rear half shaft 4, wheel measuring unit 41, driving roller 42, driven roller 421, connecting plate 422, plumb bob 43 and supporting roller.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

The directions "front and back", "left and right", etc. mentioned in the present invention are only used to express the relative positional relationship, and are not restricted by any specific directional references in practical application.

Example 1

Referring to fig. 1 to 3, a brake anti-lock braking system detection platform comprises a front wheel measurement part 1, a rear wheel measurement part 2 and a linkage shaft 3, wherein the front wheel measurement part 1 and the rear wheel measurement part 2 are respectively arranged in a front groove 11 and a rear groove 21 which are arranged in a front-rear manner, a shaft groove 31 is arranged between the front groove 11 and the rear groove 21, the linkage shaft 3 is arranged in the shaft groove 31, and two ends of the linkage shaft 3 are respectively connected with the front wheel measurement part 1 and the rear wheel measurement part 2, so that the front wheel measurement part 1 and the rear wheel measurement part 2 can synchronously perform ABS detection on a vehicle;

further, front wheel survey portion 1 and rear wheel survey portion 2 both sides respectively are provided with a set of wheel survey unit 4, total four sets of wheel survey unit 4, the wheel survey unit includes drive roll 41, driven voller 42, backing roll 43 and motor, parallel arrangement between drive roll 41, driven voller 42 and the backing roll 43, drive roll 41 and backing roll 43 and wheel contact, driven voller 42 is connected with connecting plate 421, the end-to-end connection of connecting plate 421 has vertical decurrent plummet 422, be provided with the fulcrum between the both ends of connecting plate 421, the gravity that plummet 422 is through turning into driven voller 42 pivoted power, makes driven voller 42 contact vehicle tire unevenness's surface always, be provided with the clutch between drive roll 41 and the motor, decide whether drive roll 41 rotates by motor drive through the clutch.

Preferably, the clutch between the driving roller 41 and the motor is an electromagnetic clutch, the detection table can adopt a mode of reverse dragging of a frequency converter, the electromagnetic clutch is closed, the motor drives the driving roller 41 to rotate, then the driving roller 41 drives the wheels to drag to 40km/h to measure the ABS performance, and can also adopt a mode of driving the wheels, the electromagnetic clutch is disconnected, and the wheels drive the driving roller 41 to rotate to carry out accurate ABS measurement.

Referring to fig. 1, the bottom surface of the rear groove 21 is provided with a slide rail parallel to the arrangement direction of the shaft groove 31, and the lower surface of the rear wheel measuring part 2 is slidably connected with the slide rail, so that the detection table can be applied to vehicles with different shaft lengths.

Further, the universal driving shaft 3 includes a front half shaft 32 and a rear half shaft 33, the front half shaft 32 is connected with the front wheel measuring part 1, the rear half shaft 33 is connected with the rear wheel measuring part 2, the front half shaft 32 is connected with the rear half shaft 33 through splines, so that the universal driving shaft 3 can be elongated or shortened along with the movement of the rear wheel measuring part 2, the front wheel measuring part 1 and the rear wheel measuring part 2 are connected by the telescopic universal driving shaft 3 and can adjust the distance between the front and rear platforms, and the front and rear wheels synchronously drive the cylinders of the front wheel measuring part 1 and the rear wheel measuring part 2 to perform ABS accurate measurement.

Further, the shortest length of the linkage shaft 3 is not less than the length of the shaft groove 31.

Further, front wheel survey portion 1 is provided with the first connector towards rear wheel survey portion 2, be provided with the clutch between first connector one end and the motor of front wheel survey portion 1 and be connected, the clutch is through opening and shutting decision universal driving shaft 3 whether by the motor drive rotation of front wheel survey portion 1, and the other end is provided with first shaft coupling, is connected with front half axle 32 through first shaft coupling.

Further, rear wheel survey portion 2 is provided with the first connector towards front wheel survey portion 1, be provided with the clutch between first connector one end and the rear wheel survey portion 2's the motor and be connected, the clutch is through opening and shutting decision universal driving shaft 3 whether rotated by the motor drive of rear wheel survey portion 2, and the other end is provided with the second shaft coupling, is connected with rear half axle 33 through the second shaft coupling. The first coupler and the first coupler can work together to compensate relative displacement of two axes, so that shaking of the linkage shaft 3 is reduced, and the front wheel measuring part 1 and the rear wheel measuring part 2 are prevented from being damaged by shaking of the linkage shaft 3.

Preferably, the clutch between the first connecting head and the motor of the rear wheel measuring part 2 is an electromagnetic clutch, when the detection is performed, the wheel drives the driving roller 41, the driving roller 41 is connected with the front wheel measuring part 1 and the rear wheel measuring part 2 through the universal driving shaft 3 to drive the driving roller 41 of the front wheel measuring part 1 and the rear wheel measuring part 2 to synchronously move, and the coupling is controlled by the electromagnetic clutch.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The detection platform for the anti-lock brake system is characterized by comprising a front wheel detection part (1), a rear wheel detection part (2) and a linkage shaft (3), wherein the front wheel detection part (1) and the rear wheel detection part (2) are respectively arranged in a front groove (11) and a rear groove (21) which are arranged in front and back, a shaft groove (31) is arranged between the front groove (11) and the rear groove (21), the linkage shaft (3) is arranged in the shaft groove (31), and two ends of the linkage shaft (3) are respectively connected with the front wheel detection part (1) and the rear wheel detection part (2);

front wheel survey portion (1) and rear wheel survey portion (2) both sides respectively are provided with a set of wheel survey unit (4), total four sets of wheel survey unit (4), the wheel surveys the unit and includes drive roll (41), driven voller (42), backing roll (43) and motor, parallel arrangement between drive roll (41), driven voller (42) and backing roll (43), drive roll (41) and backing roll (43) and wheel contact, driven voller (42) are connected with connecting plate (421), the end-to-end connection of connecting plate (421) has vertical decurrent plummet (422), be provided with the clutch between drive roll (41) and the motor.

2. Anti-lock brake system test bench according to claim 1, wherein the bottom surface of said rear groove (21) is provided with a slide rail parallel to the direction of arrangement of the shaft groove (31), and the lower surface of said rear wheel test portion (2) is slidably connected to the slide rail.

3. A brake anti-lock system test bench according to claim 2, characterized in that said linkage shaft (3) comprises a front half shaft (32) and a rear half shaft (33), said front half shaft (32) being connected to said front wheel measurement portion (1), said rear half shaft (33) being connected to said rear wheel measurement portion (2), said front half shaft (32) and said rear half shaft (33) being connected by splines.

4. Anti-lock brake system test bench according to claim 3, characterized in that the shortest length of said linkage shaft (3) is not less than the length of the shaft slot (31).

5. Anti-lock brake system test bench according to claim 4, characterized in that the front wheel measuring unit (1) is provided with a first coupling head facing the rear wheel measuring unit (2), a clutch connection is provided between one end of the first coupling head and the motor of the front wheel measuring unit (1), and the other end of the first coupling head is provided with a first coupling connected with the front half shaft (32) through the first coupling.

6. Anti-lock brake system test bench according to claim 5, wherein said rear wheel measuring unit (2) is provided with a second connector facing the front wheel measuring unit (1), a clutch connection is provided between one end of the second connector and the motor of the rear wheel measuring unit (2), and the other end of the second connector is provided with a second coupling connected to the rear axle shaft (33) via a second coupling.