CN215640156U

CN215640156U - Detection apparatus for conveniently inspect drum brake quality

Info

Publication number: CN215640156U
Application number: CN202121858078.9U
Authority: CN
Inventors: 钱浩杰
Original assignee: Wuxi Jinghua Auto Brake Co ltd
Current assignee: Wuxi Jinghua Auto Brake Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-25
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a detection device convenient for detecting the quality of a drum brake, which comprises a base, wherein the upper surface of the base is fixedly connected with two C-shaped support frames, two bidirectional threaded rods are rotatably connected between the C-shaped support frames, one ends of the bidirectional threaded rods are fixedly connected with belt wheels, one sides of the belt wheels are wound with synchronous belts, one sides of the bidirectional threaded rods are respectively in threaded connection with sliding blocks, one end of one of the bidirectional threaded rods is fixedly connected with an adjusting knob, two guide rods are fixedly connected between the C-shaped support frames, one sides of the guide rods are slidably connected with two sliding plates, one sides of the guide rods are sleeved with two springs, and two ends of the springs are respectively and fixedly connected with the sliding plates and the C-shaped support frames. The utility model is convenient to measure the distance between the two brake shoes in starting, ensures the detection accuracy of the drum brake and improves the quality detection result of the drum brake.

Description

Detection apparatus for conveniently inspect drum brake quality

Technical Field

The utility model relates to the technical field of brake detection, in particular to a detection device for conveniently detecting the quality of a drum brake.

Background

With the development of automobile technology, the load capacity and the running speed of an automobile are greatly improved compared with those in the early stage, the requirement of a user on the braking performance of the automobile is increasingly improved, a self-regulator serves as a key component of an automobile braking system, the shoe drum clearance adjustment quantity is an important parameter for measuring the self-regulating function of the self-regulator, and reasonable braking clearance is a necessary condition for normal operation of the braking system, so that the quality detection of a brake is particularly important, and therefore, a detection device for conveniently detecting the quality of a drum brake is designed.

At present, most of the conventional drum brake mass detection devices have the following defects: in the process of detecting the drum brake, the distance between two brake shoes in the process of starting is inconvenient to measure, and the quality detection result of the drum brake is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a detection device which is convenient for detecting the mass of a drum brake.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a detection apparatus for conveniently inspect drum brake quality, includes the base, two C shape support frames of last fixed surface of base are connected with, rotate between the C shape support frame and are connected with two-way threaded rod, the equal fixedly connected with band pulley of one end of two-way threaded rod, and one side of band pulley has the hold-in range around having, and the equal threaded connection in one side of two-way threaded rod has a sliding block, one of them one end fixedly connected with adjust knob of two-way threaded rod, two guide bars of fixedly connected with between the C shape support frame, one side sliding connection of guide bar has two sliding plates, and two springs have been cup jointed to one side of guide bar, the both ends of spring respectively with sliding plate and C shape support frame fixed connection, and two laser range finders of one of them sliding plate fixedly connected with.

Furthermore, one side of the C-shaped support frame is fixedly connected with the same support plate, one side of the support plate is fixedly connected with a threaded shaft, and one side of the threaded shaft is in threaded connection with a butterfly nut.

Furthermore, one side of the supporting plate is fixedly connected with a plurality of supporting rods, one side of each supporting rod is connected with an X-shaped clamping plate in a sliding mode, and the X-shaped clamping plates penetrate through the threaded shafts.

Furthermore, one side of the X-shaped clamping plate is fixedly connected with an X-shaped rubber plate.

Furthermore, one side of the sliding plate is fixedly connected with a tripod.

Furthermore, one side of the bidirectional threaded rod is fixedly connected with a limiting cylinder.

Furthermore, the upper surface of the base is fixedly connected with a hand brake, a brake master cylinder and a control center respectively.

Furthermore, the laser range finder is electrically connected with a control center, and the control center is electrically connected with the brake master cylinder.

The utility model has the beneficial effects that:

1. according to the utility model, the bidirectional threaded rod controls the sliding block to move so as to adjust the position of the sliding plate, so that the sliding plate is in close contact with the brake shoes, the distance between the two brake shoes in starting is conveniently measured, the detection precision of the drum brake is ensured, and the quality detection result of the drum brake is improved.

2. The drum brake is fixed conveniently by the design of the support rod, the threaded shaft and the butterfly nut, so that a plurality of screws are prevented from being connected, the detection time of the brake is saved, and meanwhile, the drum brake can be clamped and fixed by the X-shaped clamping plate, so that the connection stability of the drum brake is ensured.

3. The guide rod can guide the sliding plate to ensure the balance of the sliding plate during moving, and the tripod ensures the stability of the sliding plate pushed by the brake shoe to avoid the bending of the sliding plate so as to accurately detect the drum brake.

Drawings

FIG. 1 is a schematic diagram of a right side perspective view of a detection apparatus for conveniently inspecting the mass of a drum brake according to the present invention;

FIG. 2 is a schematic perspective view of a portion of a detection device for conveniently inspecting the mass of a drum brake according to the present invention;

FIG. 3 is a schematic illustration of a partial explosion configuration of a testing apparatus for facilitating the quality testing of a drum brake according to the present invention;

fig. 4 is a schematic left side perspective view of a detection device for conveniently detecting the mass of a drum brake according to the present invention.

In the figure: 1. a base; 2. a C-shaped support frame; 3. a bidirectional threaded rod; 4. a support plate; 5. a support bar; 6. a threaded shaft; 7. an X-shaped splint; 8. an X-shaped rubber plate; 9. a butterfly nut; 10. a hand brake; 11. a brake master cylinder; 12. a control center; 13. a laser range finder; 14. a slider; 15. a guide bar; 1501. a spring; 16. a sliding plate; 17. a tripod; 18. a limiting cylinder; 19. adjusting a knob; 20. and (4) a synchronous belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a detection device for conveniently inspecting the quality of a drum brake comprises a base 1, two C-shaped support frames 2 are fixed on the upper surface of the base 1 through bolts, two bidirectional threaded rods 3 are rotatably connected between the C-shaped support frames 2, belt pulleys are fixed at one ends of the bidirectional threaded rods 3 through bolts, a synchronous belt 20 is wound on one side of each belt pulley, a sliding block 14 is connected at one side of each bidirectional threaded rod 3 through threads, an adjusting knob 19 is fixed at one end of one bidirectional threaded rod 3 through bolts, two guide rods 15 are inserted between the C-shaped support frames 2, two sliding plates 16 are slidably connected at one side of each guide rod 15, the bidirectional threaded rod 3 controls the sliding block 14 to move so as to adjust the positions of the sliding plates 16, so that the sliding plates 16 are in close contact with brake shoes, and the distance between the two brake shoes during starting is conveniently measured, guarantee drum brake's detection precision, drum brake's quality testing result has been promoted, and two springs 1501 have been cup jointed to one side of guide bar 15, can do the direction to sliding plate 16 by guide bar 15, equilibrium when guaranteeing the sliding plate 16 to remove, the both ends of spring 1501 respectively with sliding plate 16 and C shape support frame 2 fixed connection, and one side of one of them sliding plate 16 is passed through the bolt fastening and is had two laser range finder 13, utilize laser range finder 13 to detect the pulling force size of manual brake line in the drum brake and the pressure size of brake wheel cylinder.

One side of the C-shaped support frame 2 is fixed with a same support plate 4 through bolts, one side of the support plate 4 is fixed with a threaded shaft 6 through bolts, one side of the threaded shaft 6 is in threaded connection with a butterfly nut 9, one side of the support plate 4 is inserted with a plurality of support rods 5, the threaded shaft and the butterfly nut 9 are designed to facilitate the brake to be fixed so as to avoid connecting a plurality of screws and save the detection time of the brake, one side of each support rod 5 is in sliding connection with an X-shaped clamping plate 7, the drum brake can be clamped and fixed through the X-shaped clamping plates so as to ensure the connection stability of the drum brake, the X-shaped clamping plates 7 penetrate through the threaded shaft 6, one side of each X-shaped clamping plate 7 is bonded with an X-shaped rubber plate 8, the brake is protected by the X-shaped rubber plates 8 so as to avoid the brake surface scratch caused when the X-shaped clamping plates 7 clamp the brake, one side of the sliding plate 16 is fixed with a tripod 17 through bolts, the tripod 17 ensures the stability of the sliding plate 16 pushed by the brake shoe, so as to avoid the bending of the sliding plate 16, so as to accurately detect the drum brake, one side of the bidirectional threaded rod 3 is sleeved with the limiting cylinder 18, the limiting cylinder 18 is designed, so as to limit the sliding block 14, the upper surface of the base 1 is respectively fixed with the hand brake 10, the brake master cylinder 11 and the control center 12 through bolts, the laser range finder 13 is electrically connected with the control center 12, and the control center 12 is electrically connected with the brake master cylinder 11.

The working principle of the embodiment is as follows: when in use, firstly, a drum brake is placed on the outer circumferential wall of the threaded rod 6 and the supporting rod 5, then the butterfly nut 9 is rotated, under the action of the threads of the threaded shaft 6, the butterfly nut 9 moves forwards, the X-shaped clamping plate 7 is further pushed to move forwards, the X-shaped rubber plate 8 is further driven to move forwards, the X-shaped rubber plate 8 is in close contact with the drum brake, the drum brake is fixed, then, a hand brake cable in the hand brake 10 is connected with a hand brake cable in the drum brake, the brake master cylinder 11 is connected with a brake wheel cylinder in the drum brake, then, the hand rotation adjusting knob 19 drives the two-way threaded rod 3 to rotate and drives the synchronous belt 20 to transmit power, so that the other two-way threaded rod 3 is driven to rotate, under the action of the threads of the two-way threaded rod 3, the sliding block 14 is moved towards the center, at this time, the sliding plate 16 slides to the center at one side of the guide rod 15 by the elastic force of the spring 1501 to be in close contact with the brake shoe of the drum brake, and then the handbrake 10 is pushed upward to tighten the handbrake cable, and at this time, the handbrake cable in the drum brake is tightened, and the brake shoe is pressed by the handbrake cable to move outward, and further the sliding plate 16 is pushed to slide outward at one side of the guide rod 15, and at this time, the spring 1501 is compressed, and at the same time, the tensile force of the handbrake cable in the drum brake can be detected by the laser range finder 13, and then, the brake master cylinder 11 is started, and under the operation of the brake master cylinder 11, the hydraulic energy therein is inputted to the brake wheel cylinder, the brake wheel cylinder converts the hydraulic energy of the brake master cylinder 11 into mechanical energy to push the brake shoe, and the brake shoe pushes the sliding plate 16, and at this time, the pressure of the brake wheel cylinder can be detected by the laser range finder 13, and the data of the tension and the pressure of the drum brake are fed back to the control center 12, and the detected data are recorded and stored by the control center 12.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims

1. A detection device convenient for detecting the quality of a drum brake comprises a base (1) and is characterized in that two C-shaped support frames (2) are fixedly connected to the upper surface of the base (1), two bidirectional threaded rods (3) are rotatably connected between the C-shaped support frames (2), one ends of the bidirectional threaded rods (3) are fixedly connected with belt wheels, synchronous belts (20) are wound on one sides of the belt wheels, sliding blocks (14) are connected on one sides of the bidirectional threaded rods (3) in a threaded manner, an adjusting knob (19) is fixedly connected with one end of one of the bidirectional threaded rods (3), two guide rods (15) are fixedly connected between the C-shaped support frames (2), two sliding plates (16) are slidably connected to one sides of the guide rods (15), two springs (1501) are sleeved on one sides of the guide rods (15), and two ends of the springs (1501) are fixedly connected with the sliding plates (16) and the C-shaped support frames (2) respectively, and one side of one sliding plate (16) is fixedly connected with two laser range finders (13).

2. A device facilitating the verification of the quality of a drum brake according to claim 1, characterized in that one side of said C-shaped support frame (2) is fixedly connected with the same support plate (4), one side of the support plate (4) is fixedly connected with a threaded shaft (6), and one side of the threaded shaft (6) is threadedly connected with a wing nut (9).

3. A device facilitating the checking of the quality of a drum brake according to claim 2, characterized in that a plurality of support rods (5) are fixedly attached to one side of said support plate (4), an X-shaped clamp plate (7) is slidably attached to one side of said support rods (5), and said X-shaped clamp plate (7) passes through said threaded shaft (6).

4. A device facilitating the verification of the quality of a drum brake according to claim 3, characterized in that an X-shaped rubber plate (8) is fixedly attached to one side of said X-shaped clamping plate (7).

5. A device facilitating the checking of the quality of a drum brake according to claim 1, characterized in that a tripod (17) is fixedly attached to each side of said sliding plate (16).

6. A device facilitating the verification of the quality of a drum brake according to claim 1, characterized in that a stop cylinder (18) is fixedly connected to one side of said two-way threaded rod (3).

7. A device facilitating the verification of the quality of a drum brake according to claim 1, characterized in that the upper surface of said base (1) is fixedly connected with a hand brake (10), a master cylinder (11) and a control center (12), respectively.

8. A device for facilitating the verification of the quality of a drum brake according to claim 7, characterized in that said laser distance meter (13) is electrically connected to a control centre, said control centre (12) being electrically connected to the master cylinder (11).