CN218157383U - Brake pedal pad wearability test device - Google Patents
Brake pedal pad wearability test device Download PDFInfo
- Publication number
- CN218157383U CN218157383U CN202220298940.3U CN202220298940U CN218157383U CN 218157383 U CN218157383 U CN 218157383U CN 202220298940 U CN202220298940 U CN 202220298940U CN 218157383 U CN218157383 U CN 218157383U
- Authority
- CN
- China
- Prior art keywords
- brake pedal
- friction
- pedal pad
- test device
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a brake pedal pad wearability test device, including friction mechanism, load support, actuating mechanism. The electric cylinder converts the rotary motion of the servo motor into linear motion, controls the friction mechanism to reciprocate on the surface of the brake pedal pad along a specified direction, and provides the surface pressure of the brake pedal pad by the pressure spring to realize the wear resistance examination of the surface of the brake pedal pad. The utility model discloses can realize accurate control to speed, position and the thrust of friction mechanism, ensure when reciprocating motion in the prescribed direction that there is pressure load to act on the footboard pad surface, safe and reliable, the clamping is convenient.
Description
Technical Field
The utility model relates to a brake pedal test field especially relates to a brake pedal pad wearability test device.
Background
The brake pedal of a passenger car is an important component in a brake system, and the quality of the component directly influences the exertion of the brake performance. In the development process of passenger car pedal pads, the durability of the brake pedal pad needs to be evaluated, and therefore a verification means is required to be provided.
The brake pedal bench test has different domestic levels, and how to build a test bench which is easy to install, low in cost and high in performance is a problem which needs attention. The abrasion resistance test device of the brake pedal pad is required to be constructed, and the device is required to be constructed, so that reciprocating motion in a specified direction is realized, and meanwhile, pressure load is ensured to act on the surface of the pedal pad.
Disclosure of Invention
The utility model discloses a ensure when realizing reciprocating motion in the prescribed direction that there is pressure load effect at the pedal pad surface, provide a brake pedal pad wearability test device and solve above-mentioned problem.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
a brake pedal pad wear resistance test device comprising:
the friction mechanism 1 is connected with a brake pedal pad to be tested, the friction mechanism 1 comprises a friction block 11, and the friction block 11 is arranged in a tangent mode with the surface of the brake pedal pad to be tested;
the load bracket 2 is arranged at the front end of the friction mechanism 1 and is connected with a brake pedal arm to be tested;
and a drive mechanism 3 connected to the friction block 11 and controlling the friction block 11 to reciprocate in a predetermined direction.
Further, the driving mechanism 3 includes a driving bracket 31, an electric cylinder 32 is disposed on the driving bracket 31, and one end of the electric cylinder 32 is connected to the friction block 11 through an electric cylinder connection block 33.
Further, the friction block 11 is half hinged with the electric cylinder transfer block 33 through a friction lifting lug 12.
Furthermore, the front end of the friction lifting lug 12 is provided with a U-shaped groove which is clamped with a pin rod arranged at the front end of the electric cylinder transfer block 33.
Further, the friction mechanism 1 further comprises a U-shaped support 13, a friction transition plate 14 is arranged between two upright posts of the U-shaped support 13, and a guide plate 17 is connected below the friction transition plate 14 through four outer guide rods 15 and one inner guide rod 16; the friction block 11 is disposed below the guide plate 17.
Furthermore, a longitudinal strip hole is formed in the upright post of the U-shaped bracket 13, and the friction transition plate 14 penetrates through the strip hole by using a bolt to be connected with the upright post of the U-shaped bracket 13.
Further, the upper ends of the outer guide rod 15 and the inner guide rod 16 are in threaded connection with the friction transition plate 14, and a limit nut 18 is arranged between the inner guide rod 16 and the friction transition plate 14; and polish rods at the lower ends of the outer guide rod 15 and the inner guide rod 16 are inserted into the guide plate 17, and a limit nut 18 is arranged between the outer guide rod 15 and the guide plate 17.
Further, a spring 19 is sleeved on the inner guide rod 16.
Further, the load support 2 includes a support bottom plate 21, two support rib plates 22 are arranged on the support bottom plate 21, two support fixing plates 23 are arranged between the two support rib plates 22, a shaft sleeve 24 is arranged on the support fixing plates 23, and a lead screw 25 is arranged in the shaft sleeve 24 in a penetrating manner; the side edges of the two support rib plates 22 are also provided with transition plates 26, height adjusting sliders 27 are arranged on the transition plates 26, and the height adjusting sliders 27 are connected with the lead screws 25 through trapezoidal threads; the transition plate 26 is also provided with a pedal arm fixing bracket 28.
Furthermore, a sliding groove is formed in the side edge of the support rib plate 22, the transition plate 26 is in threaded connection with the support rib plate 22, and a bolt is in threaded connection in the sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the device can realize the reciprocating motion of the friction block on the surface of the pedal pad along a specified direction, so as to evaluate the wear resistance of the brake pedal pad.
In a driving mode, the device ensures that a friction block does not rotate while moving in the horizontal direction in a wear resistance test through the design of a U-shaped groove at the front end of a friction lifting lug;
the device is arranged on a load mechanism and is characterized in that the height of a transition bottom plate after being fixedly connected with a brake pedal arm can be adjusted up and down on a certain precision in a trapezoidal thread mode.
The device meets the requirements of different pedal pad surface pressures by selecting springs with different rigidities and applying pretightening force.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a brake pedal pad wear resistance testing device;
FIG. 2 is a schematic view of the drive mechanism;
FIG. 3 is a schematic view of the connection structure of the friction mechanism with the brake pedal to be tested and the driving mechanism;
FIG. 4 is a schematic view of the friction mechanism;
FIG. 5 is a schematic view of the load mechanism configuration;
in the above figures: 1. the device comprises a friction mechanism, 11 friction blocks, 12 friction lifting lugs, 13U-shaped supports, 14 friction transition plates, 15 outer guide rods, 16 inner guide rods, 17 guide plates, 18 limit nuts, 19 springs, 2 load supports, 21 support bottom plates, 22 support rib plates, 23 support fixing plates, 24 shaft sleeves, 25 lead screws, 26 transition plates, 27 height adjusting sliding blocks, 28 pedal arm fixing supports, 3 driving mechanisms, 31 driving supports, 32 electric cylinders and 33 electric cylinder transfer blocks.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the present invention with reference to the accompanying drawings makes it clear that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment provides a brake pedal pad wear resistance testing apparatus, including a friction mechanism 1, a load bracket 2 and a driving mechanism 3;
the friction mechanism 1 is connected with a brake pedal pad to be tested, the friction mechanism 1 comprises friction blocks 11, and the friction blocks 11 are tangentially arranged with the surface of the brake pedal pad to be tested and symmetrically arranged along the geometric symmetry plane of the pedal pad;
the load bracket 2 is arranged at the front end of the friction mechanism 1 and is connected with a brake pedal arm to be tested;
the driving mechanism 3 is connected to the friction block 11, and controls the friction block 11 to reciprocate in a predetermined direction.
Referring to fig. 2, the driving mechanism 3 includes a driving bracket 31, an electric cylinder 32 is disposed on the driving bracket 31, and an electric cylinder transfer block 33 is disposed at one end of the electric cylinder 32. The electric cylinder adapter block 33 is in threaded connection with the electric cylinder 32, and the electric cylinder 32 is in threaded connection with the driving bracket 31.
Referring to fig. 3, a friction lug 12 is arranged on the friction block 11, and a U-shaped groove is arranged at the front end of the friction lug 12 and is clamped with a pin rod arranged at the front end of the electric cylinder adapter block 33.
Referring to fig. 4, the friction mechanism 1 further includes a U-shaped bracket 13, a friction transition plate 14 is disposed between two columns of the U-shaped bracket 13, and a guide plate 17 is connected below the friction transition plate 14 through four outer guide rods 15 and one inner guide rod 16; the friction block 11 is arranged below the guide plate 17, and the guide plate 17 is symmetrically arranged along the geometric symmetry plane of the friction block 11.
The upright post of the U-shaped bracket 13 is provided with a longitudinal strip hole, and the friction transition plate 14 penetrates through the strip hole by using a bolt to be connected with the upright post of the U-shaped bracket 13.
The upper ends of the outer guide rod 15 and the inner guide rod 16 are in threaded connection with the friction transition plate 14, and a limit nut 18 is arranged between the inner guide rod 16 and the friction transition plate 14; polish rods at the lower ends of the outer guide rod 15 and the inner guide rod 16 are inserted into the guide plate 17 to play a role in guiding in the vertical direction, and a limiting nut 18 is arranged between the outer guide rod 15 and the guide plate 17.
The inner guide rod 16 is sleeved with a spring 19 with certain rigidity, and the compression amount of the spring 19 is determined by the required pressure and the rigidity of the spring.
Referring to fig. 5, the load support 2 includes a support base plate 21, two support rib plates 22 are disposed on the support base plate 21, two support fixing plates 23 are disposed between the two support rib plates 22, a shaft sleeve 24 is connected to the support fixing plates 23 in a clearance fit manner, a lead screw 25 is inserted into the shaft sleeve 24, and the lead screw 25 and the shaft sleeve 24 are in clearance fit; the side edges of the two support rib plates 22 are also provided with transition plates 26, height adjusting sliders 27 are connected to the transition plates 26 in a clearance fit manner, and the height adjusting sliders 27 are connected with the screw rods 25 through trapezoidal threads; the transition plate 26 is also provided with a pedal arm fixing bracket 28.
The side edge of the support rib plate 22 is provided with a sliding groove, the transition plate 26 is in bolt connection with the support rib plate 22, and a bolt is in bolt connection in the sliding groove.
The working principle of the brake pedal pad wear resistance testing device provided by the embodiment is as follows:
during testing, the U-shaped support 13, the support bottom plate 21 and the driving support 31 are fixed on a test bed in parallel, a brake pedal arm to be tested is connected with the pedal arm fixing support 28 and is clamped and fixed by using two M12 bolts, the transition plate 26 is adjusted to a proper height through the lead screw 25, and the transition plate 26 is fixed on the support rib plate 22 through the bolts; connecting a brake pedal pad to be tested with the friction mechanism 1, ensuring that the friction block 11 is tangentially placed with the surface of the brake pedal pad to be tested, and determining the rigidity of the spring 19 according to the required pressure; the U-shaped groove arranged at the front end of the friction lifting lug 12 is semi-hinged with the pin rod arranged at the front end of the electric cylinder transfer block 33, and the freedom degree of vertical translation is kept in a certain stroke while the rotation freedom degree is kept, so that the friction block 11 is kept not to incline in the horizontal direction in the process of motion friction; the electric cylinder 32 is used for converting the rotary motion of the servo motor into linear motion, and simultaneously converting the accurate rotating speed control, the accurate torque control into the accurate speed control, the accurate position control and the accurate thrust control of the servo motor, so that the friction block 11 is controlled to reciprocate on the surface of the brake pedal pad to be tested along the specified direction, and simultaneously, the pressure load is ensured to act on the surface of the pedal pad, and the wear resistance of the brake pedal pad is evaluated.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A brake pedal pad wear resistance test device, characterized in that includes:
the friction mechanism (1) is connected with the brake pedal pad to be tested, the friction mechanism (1) comprises a friction block (11), and the friction block (11) is arranged in a tangent mode with the surface of the brake pedal pad to be tested;
the load bracket (2) is arranged at the front end of the friction mechanism (1) and is connected with the brake pedal arm to be tested;
and the driving mechanism (3) is connected with the friction block (11) and controls the friction block (11) to reciprocate along a specified direction.
2. The abrasion resistance test device for the brake pedal pad according to claim 1, wherein the driving mechanism (3) comprises a driving bracket (31), an electric cylinder (32) is arranged on the driving bracket (31), and one end of the electric cylinder (32) is connected with the friction block (11) through an electric cylinder transfer block (33).
3. A brake pedal pad wear resistance test device according to claim 2, characterized in that the friction block (11) is semi-hinged to the electric cylinder interface block (33) by means of a friction lug (12).
4. The abrasion resistance test device for the brake pedal pad according to claim 3, characterized in that the front end of the friction lifting lug (12) is provided with a U-shaped groove which is clamped with a pin rod arranged at the front end of the electric cylinder transfer block (33).
5. The abrasion resistance test device for the brake pedal pad according to claim 1, characterized in that the friction mechanism (1) further comprises a U-shaped bracket (13), a friction transition plate (14) is arranged between two upright posts of the U-shaped bracket (13), and a guide plate (17) is connected below the friction transition plate (14) through four outer guide rods (15) and one inner guide rod (16); the friction block (11) is arranged below the guide plate (17).
6. The abrasion resistance test device for the brake pedal pad according to claim 5, characterized in that a longitudinal elongated hole is formed in the upright post of the U-shaped bracket (13), and the friction transition plate (14) is connected with the upright post of the U-shaped bracket (13) by penetrating through the elongated hole by using a bolt.
7. The abrasion resistance test device for the brake pedal pad according to claim 5, characterized in that the upper ends of the outer guide rod (15) and the inner guide rod (16) are in threaded connection with the friction transition plate (14), and a limit nut (18) is arranged between the inner guide rod (16) and the friction transition plate (14); and polish rods at the lower ends of the outer guide rod (15) and the inner guide rod (16) are inserted into the guide plates (17), and limit nuts (18) are arranged between the outer guide rod (15) and the guide plates (17).
8. The abrasion resistance test device for the brake pedal pad according to claim 7, characterized in that a spring (19) is sleeved on the inner guide rod (16).
9. The brake pedal pad wear resistance test device according to claim 1, wherein the load support (2) comprises a support base plate (21), two support rib plates (22) are arranged on the support base plate (21), two support fixing plates (23) are arranged between the two support rib plates (22), a shaft sleeve (24) is arranged on each support fixing plate (23), and a lead screw (25) is arranged in each shaft sleeve (24) in a penetrating manner; transition plates (26) are further arranged on the side edges of the two support rib plates (22), height adjusting sliders (27) are arranged on the transition plates (26), and the height adjusting sliders (27) are connected with the lead screws (25) through trapezoidal threads; the transition plate (26) is also provided with a pedal arm fixing bracket (28).
10. The abrasion resistance test device for the brake pedal pad according to claim 9, wherein a sliding groove is formed in the side edge of the support rib plate (22), the transition plate (26) is in threaded connection with the support rib plate (22), and a bolt is in threaded connection with the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298940.3U CN218157383U (en) | 2022-02-15 | 2022-02-15 | Brake pedal pad wearability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298940.3U CN218157383U (en) | 2022-02-15 | 2022-02-15 | Brake pedal pad wearability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218157383U true CN218157383U (en) | 2022-12-27 |
Family
ID=84548891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220298940.3U Active CN218157383U (en) | 2022-02-15 | 2022-02-15 | Brake pedal pad wearability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218157383U (en) |
-
2022
- 2022-02-15 CN CN202220298940.3U patent/CN218157383U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211332221U (en) | Piston is regulation type excircle clamping device for finish turning | |
| CN218157383U (en) | Brake pedal pad wearability test device | |
| CN208171490U (en) | Motor torque test equipment | |
| CN108426660A (en) | Motor torque test equipment | |
| CN218121384U (en) | Automobile seat quality detection tool | |
| CN218542797U (en) | Clamp for detecting hydraulic cylinder | |
| CN217059147U (en) | Heavy truck disc brake braking force test bench | |
| CN210499353U (en) | Clamping and fixing device for camshaft machining production | |
| CN210322323U (en) | In-wheel motor test device | |
| CN203881533U (en) | Chain tensioner test bench | |
| CN110906891B (en) | Middle tooth shaft end face runout detection device | |
| CN215179549U (en) | Plate composite material friction coefficient testing device | |
| CN108007702B (en) | Lateral loading mechanism of power and brake test bed of tire | |
| CN213148328U (en) | Quick detachable automatic automobile inspection device | |
| CN202780823U (en) | Spherical roller superfinishing machine workpiece clamping device | |
| CN219767497U (en) | Double-station floating caliper machining clamp | |
| CN213497530U (en) | Upper plate cover assembling device of automatic assembling tool for automobile refueling wicket | |
| CN221051456U (en) | Pneumatic installation device for jack screw seat | |
| CN220525514U (en) | Pantograph performance testing device | |
| CN220575851U (en) | Aviation maintenance tool positioning device | |
| CN211967214U (en) | Positioning device for screw rod machining | |
| CN219201592U (en) | Auxiliary clamping device of rock core | |
| CN217358452U (en) | Motor displacement detection mechanism | |
| CN213956991U (en) | Metal plate wear-resisting strength detection platform | |
| CN219094898U (en) | Workpiece measuring and clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |