CN213516330U

CN213516330U - Brake valve test device

Info

Publication number: CN213516330U
Application number: CN202022845857.7U
Authority: CN
Inventors: 于明航; 何飞; 付云飞; 杨钊; 尹中昌; 杜孟超; 杨朝昆; 王钊晗; 韩晓东; 蒋政轩
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-06-22
Anticipated expiration: 2030-12-01

Abstract

The utility model belongs to the technical field of automobile brake systems, in particular to a brake valve test device, which comprises a rack, a brake valve, a brake chamber and a lever component; the brake valve is detachably connected to the rack and arranged at one end of the rack; the brake air chamber is detachably connected to the rack and is arranged at the other end, far away from the brake valve, of the rack; the lever assembly is detachably connected to the rack, one end of the lever assembly is connected with the brake valve, the other end of the lever assembly is connected with the brake chamber, and the brake chamber is configured to drive the brake valve through the lever assembly. The utility model discloses a brake valve test device utilizes brake chamber to order about the brake valve through lever assembly and produces the braking action, and compact structure can carry out the durability test under normal high low temperature environment, vibration environment, salt fog environment, accords with the abominable test condition of whole car, can accurately verify the environmental reliability of brake valve.

Description

Brake valve test device

Technical Field

The utility model relates to an automobile brake system technical field especially relates to a brake valve test device.

Background

With the rapid development of technology, the status of the automobile industry is also more and more important. The chassis is an important component of a motor vehicle, and the brake system is particularly important in the structure of the vehicle chassis. In the traditional brake valve endurance test, when a high-temperature and low-temperature test is carried out, an air cylinder is usually installed outside an environment box for driving, the structure is complex, the cost is high, and the loading mode is inconsistent with the lever loading of a pedal of an actual vehicle; in addition, the cylinder loading method is not suitable for vibration endurance tests and salt spray endurance tests.

At present, a testing device for carrying out a brake valve bench test in China is mainly used for loading a cylinder, the cylinder cannot work in high and low temperature, vibration and salt mist environments due to factors such as temperature, vibration and salt mist, the brake valve only receives single high and low temperature, vibration and salt mist tests, the brake valve does not brake in the testing process, severe testing conditions of a whole vehicle are not met, and the bench test cannot accurately verify the environmental reliability of the brake valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake valve test device, it can carry out the brake valve durability test under normal high low temperature environment, vibration environment, salt fog environment, brakes the action to the brake valve simultaneously, compact structure, and convenient to use accords with the abominable test condition of whole car, can accurately verify the environmental reliability of brake valve.

To achieve the purpose, the utility model adopts the following technical proposal:

a brake valve test apparatus comprising:

a rack;

the brake valve is detachably connected to the rack and arranged at one end of the rack;

the brake air chamber is detachably connected to the rack and is arranged at the other end, far away from the brake valve, of the rack; and

the lever assembly is detachably connected to the rack, one end of the lever assembly is connected with the brake valve, the other end of the lever assembly is connected with the brake air chamber, and the brake air chamber is configured to drive the brake valve through the lever assembly.

As a preferred structure of the utility model, the lever assembly includes:

the shaft seat is fixedly connected with the rack and is provided with a rotating shaft;

the adjusting rod is fixedly connected with the rotating shaft and can rotate along with the rotating shaft;

one end of the first sliding rod is detachably connected with the adjusting rod, and the other end, far away from the adjusting rod, of the first sliding rod is connected with the brake air chamber; and

one end of the second sliding rod is detachably connected with the adjusting rod, and the other end, far away from the adjusting rod, of the second sliding rod is connected with the brake valve.

As an optimized structure of the utility model, the length of the first sliding rod is greater than that of the second sliding rod.

As a preferred structure of the utility model, the utility model also comprises a limiting block, the limiting block is detachably connected with the rack, and the position of the limiting block is adjustable; the limiting block is periodically abutted against the lever assembly and configured to limit the maximum stroke of the brake air chamber.

As a preferred structure of the utility model, the brake device further comprises a first mounting bracket and a second mounting bracket, wherein the first mounting bracket and the second mounting bracket are detachably connected with the rack, and the first mounting bracket is used for supporting the brake chamber; the second mounting bracket is used for supporting the brake valve.

As a preferred structure of the present invention, one end of the adjusting rod has a first sliding slot, and the first sliding slot has a plurality of first fixing holes therethrough; the first sliding rod is provided with a first connecting plate, the first connecting plate is provided with a first waist-shaped hole penetrating through the first connecting plate, the first connecting plate is connected in the first sliding groove in a sliding mode, and a fastening piece penetrates through the first fixing holes and the first waist-shaped hole to fix the first connecting plate in the first sliding groove.

As a preferred structure of the present invention, the other end of the adjusting rod away from the first sliding groove has a second sliding groove, and the second sliding groove has a plurality of second fixing holes therethrough; the second sliding rod is provided with a second connecting piece, the second connecting piece is provided with a second waist-shaped hole which penetrates through the second connecting piece, the second connecting piece is connected in the second sliding groove in a sliding mode, and a fastener penetrates through the second fixing holes and the second waist-shaped hole to fix the second connecting piece in the second sliding groove.

As an optimized structure of the present invention, the rack includes a first slide rail, the first mounting bracket and the second mounting bracket can be followed the first slide rail slides.

As a preferred structure of the utility model, first installing support has second slide rail and third slide rail, first slide rail the second slide rail with two liang of mutually perpendicular of third slide rail, brake chamber can follow the third slide rail slides, the second slide rail is used for the adjustment the position of first installing support.

As a preferred structure of the present invention, the second mounting bracket has a fourth slide rail, and the fourth slide rail is parallel to the second slide rail; the fourth slide rail is perpendicular to the first slide rail, and the fourth slide rail is used for adjusting the position of the second mounting bracket.

The utility model has the advantages that: the brake valve test device provided by the utility model is characterized in that a brake chamber is arranged on a rack, and the brake chamber is used for providing braking action for a brake valve through a lever component, which is the same as the lever loading mode of a real vehicle pedal; the structure is compact, the durability test can be carried out in normal high-low temperature environment, vibration environment and salt mist environment, the severe test conditions of the whole vehicle are met, and the environmental reliability of the brake valve can be accurately verified.

Drawings

Fig. 1 is a schematic structural diagram of a brake valve testing apparatus provided in an embodiment of the present invention;

fig. 2 is a top view of a brake valve testing apparatus provided in an embodiment of the present invention;

fig. 3 is a partially exploded schematic view of a lever assembly according to an embodiment of the present invention.

In the figure:

1. a rack; 11. a first slide rail;

2. a brake valve;

3. a brake chamber;

4. a lever assembly; 41. a shaft seat; 42. an adjusting lever; 421. a first chute; 422. a first fixing hole; 423. a second chute; 424. a second fixing hole; 43. a first slide bar; 431. a first connecting piece; 4311. a first kidney-shaped hole; 44. a second slide bar; 441. a second connecting sheet; 4411. a second kidney-shaped hole;

5. a limiting block;

6. a first mounting bracket; 61. a second slide rail; 62. a third slide rail;

7. a second mounting bracket; 71. and a fourth slide rail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-3, an embodiment of the present invention provides a brake valve testing apparatus, which includes a rack 1, a brake valve 2, a brake chamber 3, and a lever assembly 4. The stand 1 is used to provide a test bench. The brake valve 2 is detachably connected to the rack 1, and the brake valve 2 is arranged at one end of the rack 1. Brake chamber 3 can be dismantled and connect in rack 1, and brake chamber 3 sets up the other end of keeping away from brake valve 2 on rack 1. Lever assembly 4 can dismantle and connect in rack 1, and brake valve 2 is connected to lever assembly 4's one end, and the brake chamber 3 is connected to the other end, and brake chamber 3 is configured as through lever assembly 4 drive brake valve 2. When the brake valve test device is used, the brake air chamber 3 is connected with an external power source, the brake air chamber 3 drives one end of the lever assembly 4, and the lever assembly 4 transmits acting force to the brake valve 2 through leverage to realize braking action. The brake air chamber 3 is used for providing braking action for the brake valve 2 through the lever assembly 4, and the lever loading mode is the same as that of a real vehicle pedal; the test device has a compact structure, can perform durability tests in normal high and low temperature environments, vibration environments and salt mist environments, meets the severe test conditions of the whole vehicle, and can accurately verify the environmental reliability of the brake valve 2.

Further, the lever assembly 4 includes a shaft seat 41, an adjusting lever 42, a first slide rod 43 and a second slide rod 44. The shaft seat 41 is fixedly connected with the rack 1 and used as a fulcrum of the lever; the shaft seat 41 has a rotation axis, which preferably can realize 360 ° rotation. The adjusting rod 42 is fixedly connected with the rotating shaft, and the adjusting rod 42 can rotate along with the rotating shaft to realize lever action. One end of the first sliding rod 43 is detachably connected with the adjusting rod 42, and the other end of the first sliding rod 43, which is far away from the adjusting rod 42, is connected with the brake air chamber 3. One end of the second sliding rod 44 is detachably connected with the adjusting rod 42, and the other end of the second sliding rod 44, which is far away from the adjusting rod 42, is connected with the brake valve 2.

Further, the length of the first slide bar 43 is greater than the length of the second slide bar 44. Normally, the stroke of the brake air chamber 3 is larger than that of the brake valve 2, and in order to achieve the stroke adjustment effect of the lever, the long end of the lever is connected with the brake air chamber 3, and the short end of the lever is connected with the brake valve 2.

Furthermore, the brake valve test device also comprises a limiting block 5, the limiting block 5 is detachably connected with the rack 1, and the position of the limiting block 5 is adjustable; the stopper 5 periodically abuts the lever assembly 4, and the stopper 5 is configured to limit the maximum stroke of the brake chamber 3. In this embodiment, the stopper 5 is disposed at one end of the rack 1 where the brake chamber 3 is located. The limiting block 5 and the brake air chamber 3 are respectively positioned at two sides of the lever component 4. The maximum stroke of the brake chamber 3 can be limited by the limiting block 5, and the brake valve 2 is prevented from being damaged due to the overlarge stroke of the brake chamber 3. Preferably, the limiting block 5 has an arc surface which abuts against the first sliding rod 43 of the lever component 4, the arc surface contacts the rotating action suitable for the lever component 4, the brake valve 2 is prevented from being impacted, and the limiting is more stable. Preferably, the rack 1 is provided with a sliding groove of the limiting block 5, the limiting block 5 can slide along the sliding groove, the position of the limiting block on the rack 1 is adjusted, and the limiting block is suitable for limiting requirements of different strokes of the brake valve 2.

Further, as shown in fig. 3, one end of the adjusting rod 42 has a first sliding slot 421, and the first sliding slot 421 has a plurality of first fixing holes 422 therethrough; the first sliding rod 43 has a first connecting plate 431, the first connecting plate 431 has a first waist-shaped hole 4311 therethrough, the first connecting plate 431 is slidably connected in the first sliding chute 421, and a fastening member passes through the plurality of first fixing holes 422 and the first waist-shaped hole 4311 to fix the first connecting plate 431 in the first sliding chute 421. The first kidney-shaped hole 4311 enables the position of the first sliding rod 43 relative to the adjusting rod 42 to be adjustable, the length of the lever assembly 4 to be adjustable, different lever ratios are formed, and the brake pedal device can be suitable for brake chambers 3 of different models.

Further, the other end of the adjusting rod 42 away from the first sliding chute 421 has a second sliding chute 423, and the second sliding chute 423 has a plurality of second fixing holes 424 therethrough; the second sliding rod 44 has a second connecting piece 441, the second connecting piece 441 has a second kidney-shaped hole 4411 penetrating therethrough, the second connecting piece 441 is slidably connected in the second sliding groove 423, and a fastener passes through the plurality of second fixing holes 424 and the second kidney-shaped hole 4411 to fix the second connecting piece 441 in the second sliding groove 423. The second kidney-shaped hole 4411 enables the position of the second slide bar 44 relative to the adjusting bar 42 to be adjusted, and the length of the lever assembly 4 to be adjusted, so that different lever ratios can be formed, and the brake valve 2 can be suitable for different models.

Further, the brake valve testing device also comprises a first mounting bracket 6 and a second mounting bracket 7, wherein the first mounting bracket 6 and the second mounting bracket 7 are detachably connected to the rack 1, and the first mounting bracket 6 is used for supporting the brake chamber 3; the second mounting bracket 7 is used to support the brake valve 2. Preferably, the first mounting bracket 6 and the second mounting bracket 7 are both L-shaped brackets, and reinforcing ribs are designed at corners of the brackets to increase the strength of the brackets.

Further, the gantry 1 comprises a first slide rail 11, and the first mounting bracket 6 and the second mounting bracket 7 are slidable along the first slide rail 11. Preferably, the first slide rail 11 extends along the length of the lever assembly 4. When the length of the lever assembly 4 is adjusted, the first mounting bracket 6 and the second mounting bracket 7 can slide along the first slide rail 11, and the positions of the brake air chamber 3 and the brake valve 2 on the rack 1 are correspondingly adjusted.

Further, the first mounting bracket 6 is provided with a second slide rail 61 and a third slide rail 62, the first slide rail 11, the second slide rail 61 and the third slide rail 62 are mutually perpendicular in pairs, the brake chamber 3 can slide along the third slide rail 62, and the second slide rail 61 is used for adjusting the position of the first mounting bracket 6, so that the mounting requirements of the brake chambers 3 of different models can be met. The position of the brake chamber 3 relative to the table frame 1 can be adjusted by the second slide rail 61 and the third slide rail 62. Further, the second mounting bracket 7 is provided with a fourth slide rail 71, the first slide rail 11 and the fourth slide rail 71 are perpendicular to each other, the fourth slide rail 71 is parallel to the second slide rail 61, and the fourth slide rail 71 is used for adjusting the position of the second mounting bracket 7 on the rack 1, so that the mounting requirements of different types of brake valves 2 can be met. The position of the brake valve 2 corresponding to the gantry 1 can be adjusted by means of the fourth slide rail 71.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A brake valve test apparatus, comprising:

a stand (1);

the brake valve (2) is detachably connected to the rack (1), and the brake valve (2) is arranged at one end of the rack (1);

the brake air chamber (3) is detachably connected to the rack (1), and the brake air chamber (3) is arranged at the other end, far away from the brake valve (2), of the rack (1); and

the lever assembly (4) is detachably connected to the rack (1), one end of the lever assembly (4) is connected with the brake valve (2), the other end of the lever assembly (4) is connected with the brake chamber (3), and the brake chamber (3) is configured to drive the brake valve (2) through the lever assembly (4).

2. Brake valve test device according to claim 1, characterized in that the lever assembly (4) comprises:

the shaft seat (41) is fixedly connected with the rack (1), and the shaft seat (41) is provided with a rotating shaft;

the adjusting rod (42) is fixedly connected with the rotating shaft, and the adjusting rod (42) can rotate along with the rotating shaft;

a first sliding rod (43), wherein one end of the first sliding rod (43) is detachably connected with the adjusting rod (42), and the other end, far away from the adjusting rod (42), of the first sliding rod (43) is connected with the brake air chamber (3); and

one end of the second sliding rod (44) is detachably connected with the adjusting rod (42), and the other end, far away from the adjusting rod (42), of the second sliding rod (44) is connected with the brake valve (2).

3. Brake valve test device according to claim 2, characterized in that the length of the first slide bar (43) is greater than the length of the second slide bar (44).

4. The brake valve test device according to claim 1, further comprising a limit block (5), wherein the limit block (5) is detachably connected with the rack (1), and the position of the limit block (5) is adjustable; the limiting block (5) is periodically abutted against the lever assembly (4), and the limiting block (5) is configured to limit the maximum stroke of the brake air chamber (3).

5. The brake valve testing apparatus according to claim 1, further comprising a first mounting bracket (6) and a second mounting bracket (7), wherein the first mounting bracket (6) and the second mounting bracket (7) are detachably connected with the bench (1), and the first mounting bracket (6) is used for supporting the brake chamber (3); the second mounting bracket (7) is used for supporting the brake valve (2).

6. The brake valve testing apparatus according to claim 2, wherein one end of the adjusting lever (42) has a first slide groove (421), the first slide groove (421) having a plurality of first fixing holes (422) therethrough; the first sliding rod (43) is provided with a first connecting piece (431), the first connecting piece (431) is provided with a first waist-shaped hole (4311) penetrating through, the first connecting piece (431) is connected in the first sliding groove (421) in a sliding mode, and fasteners penetrate through the first fixing holes (422) and the first waist-shaped hole (4311) to fix the first connecting piece (431) in the first sliding groove (421).

7. The brake valve testing apparatus according to claim 6, wherein the other end of the adjusting lever (42) away from the first runner (421) has a second runner (423), the second runner (423) having a plurality of second fixing holes (424) therethrough; the second sliding rod (44) is provided with a second connecting piece (441), the second connecting piece (441) is provided with a second kidney-shaped hole (4411) which penetrates through the second connecting piece (441), the second connecting piece (441) is connected in the second sliding groove (423) in a sliding mode, and a fastener penetrates through the second fixing holes (424) and the second kidney-shaped hole (4411) to fix the second connecting piece (441) in the second sliding groove (423).

8. Brake valve test device according to claim 5, characterized in that the stand (1) comprises a first slide rail (11), the first mounting bracket (6) and the second mounting bracket (7) being slidable along the first slide rail (11).

9. Brake valve test device according to claim 8, wherein the first mounting bracket (6) has a second slide rail (61) and a third slide rail (62), the first slide rail (11), the second slide rail (61) and the third slide rail (62) are perpendicular to each other two by two, the brake chamber (3) can slide along the third slide rail (62), and the second slide rail (61) is used for adjusting the position of the first mounting bracket (6).

10. Brake valve test device according to claim 9, characterized in that the second mounting bracket (7) has a fourth slide rail (71), the fourth slide rail (71) being parallel to the second slide rail (61); the fourth sliding rail (71) is perpendicular to the first sliding rail (11), and the fourth sliding rail (71) is used for adjusting the position of the second mounting bracket (7).