CN214407887U

CN214407887U - Brake caliper low pressure seal detection device

Info

Publication number: CN214407887U
Application number: CN202120322012.1U
Authority: CN
Inventors: 陈俊斌; 胡宗君
Original assignee: Yuhuan Jianghong Machinery Co ltd
Current assignee: Yuhuan Jianghong Machinery Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-15
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a brake caliper low pressure seal detection device belongs to mechanical technical field. It has solved the inconvenient scheduling problem of current braking pincers leakproofness detection. This braking pincers low pressure seal detection device includes workstation and air supply, be equipped with the gas tightness leak detector on the workstation, the air supply is connected with the airtight leak detector through breather pipe one, be equipped with the solenoid valve that is used for controlling a breather pipe break-make on the breather pipe one, the solenoid valve is connected with the gas tightness leak detector, the airtight leak detector is connected with breather pipe two, the end connection of breather pipe two has the test head, the test head embeds there is baroceptor and test head to have the joint of ventilating, baroceptor is connected with the gas tightness leak detector, link firmly the support frame that supplies the braking pincers to fix on the workstation, link firmly the sealed pad that is used for sealing the piston chamber of braking pincers on the support frame. The utility model has the advantages of detection efficiency is high and detect the precision height.

Description

Brake caliper low pressure seal detection device

Technical Field

The utility model belongs to the technical field of machinery, a detection device is related to, in particular to brake caliper low pressure seal detection device.

Background

In the prior art, generally, the air tightness of a product with an air tightness requirement needs to be detected to determine whether the product leaks air, oil and the like, and further determine whether the product is qualified, so that the product with the air tightness which does not meet the requirement is detected in advance, and quality accidents caused during installation or use are avoided.

In the traditional detection method, the inlet and the outlet of the product are generally blocked by a sealing element and then immersed in water, whether bubbles are generated or not and the amount of the generated bubbles are observed, so that whether the product is qualified or not is judged, and the detection efficiency and the detection precision are low. The existing advanced air tightness detection method is to enable a pneumatic control system to input compressed air into a product to be detected, then shut off an air source, detect whether the pressure change of the product in a sealing state exceeds a preset value or not, and accordingly obtain a judgment result whether the tightness of the product to be detected is qualified or not.

The existing brake caliper sealing detection method adopts the inflation detection method, a worker firstly seals an opening of a piston cavity of the brake caliper by a sealing element, then a vent pipe connected with an air source is connected to an air inlet hole communicated with the piston cavity on the brake caliper, then the vent pipe inflates the piston cavity, then the air source is closed, and the air tightness of the piston cavity is observed by a barometer connected with the vent pipe, so that whether the brake caliper is qualified is judged, the brake caliper is irregular in shape, the problem of swinging during placement is solved, the accuracy of the barometer is influenced, the accuracy of the barometer is not high enough, the sealing element needs to be mounted on or dismounted from the brake caliper during each detection, and the detection efficiency is not high enough.

Disclosure of Invention

The utility model aims at providing a braking pincers low-pressure seal detection device that detection efficiency is high, the detection precision is high to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a brake caliper low pressure seals detection device, includes workstation and air supply, its characterized in that, the workstation on be equipped with the gas tightness leak detector, the air supply be connected with the gas tightness leak detector through breather pipe one, breather pipe one on be equipped with the solenoid valve that is used for controlling a breather pipe break-make, the solenoid valve be connected with the gas tightness leak detector, the gas tightness leak detector be connected with breather pipe two, the end connection of breather pipe two have the test head, the test head built-in atmospheric pressure sensor and the test head have the joint of ventilating, atmospheric pressure sensor be connected with the gas tightness leak detector, the workstation on link firmly and supply the fixed support frame of brake caliper, the support frame on link firmly the sealed pad that is used for sealing up the piston chamber of brake caliper.

In the low-pressure sealing detection device for the brake caliper, an electric pressure regulating valve is arranged on the first vent pipe and is connected with an air tightness leak detector.

In the low-pressure sealing detection device for the brake caliper, a cabinet body is arranged on the workbench, the air source, the first vent pipe, the electromagnetic valve, the electric pressure regulating valve and the air tightness leak detector are all located in the cabinet body, and an operation panel of the air tightness leak detector is exposed out of the cabinet body.

In the brake caliper low-pressure sealing detection device, a display is mounted on the cabinet body, and the display is connected with the air tightness leak detector.

In the brake caliper low-pressure seal detection device, the support frame comprises a bottom plate fixedly connected to the workbench, two vertically arranged stand columns are fixedly connected to the bottom plate, a cross beam is fixedly connected between the two stand columns, an installation space is formed between the cross beam and the bottom plate, and the top of the cross beam is fixedly connected with the sealing gasket.

In the aforementioned caliper low-pressure seal detection device, the air vent joint is a threaded joint.

In the brake caliper low-pressure sealing detection device, a handle is fixedly connected to the outer wall of the test head.

Compared with the prior art, the low-pressure sealing detection device of the brake caliper is convenient for workers to operate, high in detection efficiency and high in detection precision.

Drawings

Fig. 1 is a perspective view of the brake caliper low-pressure seal detection device.

FIG. 2 is a schematic structural diagram of the brake caliper low-pressure sealing detection device without the workbench and the cabinet.

Fig. 3 is a perspective view of the support bracket of the brake caliper low pressure seal detection device after the brake caliper is mounted.

In the figure, 1, a workbench; 2. a gas source; 3. an air tightness leak detector; 4. a first vent pipe; 5. an electromagnetic valve; 6. a second vent pipe; 7. a test head; 8. an air pressure sensor; 9. a vent fitting; 10. a support frame; 11. a gasket; 12. an electric pressure regulating valve; 13. a cabinet body; 14. a display; 15. a base plate; 16. a column; 17. a cross beam; 18. a handle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, this braking pincers low pressure seal detection device includes workstation 1 and air supply 2, be equipped with gas tightness leak detector 3 on workstation 1, air supply 2 is connected with gas tightness leak detector through breather pipe 4, be equipped with the solenoid valve 5 that is used for controlling breather pipe 4 break-make on breather pipe 4, solenoid valve 5 is connected with gas tightness leak detector 3, gas tightness leak detector is connected with breather pipe two 6, the end connection of breather pipe two 6 has test head 7, test head 7 embeds there is baroceptor 8 and test head 7 to have the joint 9 of ventilating, baroceptor 8 is connected with gas tightness leak detector 3, workstation 1 is last to have linked firmly support frame 10 that supplies braking pincers to fix, support frame 10 is last to have linked firmly the sealed pad 11 that is used for sealing up the piston chamber of braking pincers.

When the low-pressure sealing detection device of the brake caliper is used, the air source 2 is in a working state, the brake caliper is fixed on the support frame 10, the sealing gasket 11 seals a piston cavity of the brake caliper, the vent joint 9 is connected to an air inlet hole communicated with the piston cavity on the brake caliper, the air tightness leak detector 3 controls the electromagnetic valve 5 to be opened, air passes through the vent pipe I4, the air tightness leak detector 3, the vent pipe II 6, the test head 7 and the vent joint 9 and then enters the piston cavity, the air pressure sensor 8 transmits a signal to the air tightness leak detector 3 after detecting that the air pressure in the piston cavity reaches a set value, the air tightness leak detector 3 enables the electromagnetic valve 5 to be closed, the air pressure sensor 8 detects the change of the air pressure in the piston cavity within a set time and transmits the signal to the air tightness leak detector 3, the air tightness leak detector 3 carries out data signal analysis so as to judge whether the brake caliper is qualified or not, the product quality is ensured; the brake caliper is fixed on the support frame 10, the sealing gasket 11 is directly sealed in the piston cavity, the sealing gasket 11 does not need to be assembled and disassembled, the detection efficiency is improved, the brake caliper is in a static state during detection, the brake caliper is matched with the existing high-precision air tightness leak detector 3, the detection precision of the brake caliper is high, and the air tightness detector in the embodiment adopts an A-400 air leakage leak detector manufactured by Shenyang Eltec precision instruments Co. The air source 2 is an air compressor.

In more detail, an electric pressure regulating valve 12 is arranged on the vent pipe I4, the electric pressure regulating valve 12 is connected with the air tightness leak detector 3, the opening degree of the electric pressure regulating valve 12 is controlled by the air tightness leak detector 3, namely, the ventilation volume of the vent pipe I4 can be regulated according to brake calipers with different sizes, and the detection efficiency and the detection precision are improved; the workbench 1 is provided with a cabinet body 13, the gas source 2, the vent pipe I4, the electromagnetic valve 5, the electric pressure regulating valve 12 and the air tightness leak detector 3 are all positioned in the cabinet body 13, and an operation panel of the air tightness leak detector 3 is exposed out of the cabinet body 13, so that collision damage is avoided, the protection performance on parts is good, and the service life is prolonged; the cabinet body 13 is provided with the display 14, the display 14 is connected with the air tightness leak detector 3, and the display 14 displays the detection data of the air tightness leak detector 3, so that an operator can visually, curvilinearly and coloredly view the air pressure micro-change of the air tightness leak detector 3, and the detection precision is high.

The support frame 10 comprises a bottom plate 15 fixedly connected on the workbench 1, two upright posts 16 vertically arranged are fixedly connected on the bottom plate 15, a cross beam 17 is fixedly connected between the two upright posts 16, an installation space is formed between the cross beam 17 and the bottom plate 15, the top of the cross beam 17 is fixedly connected with the sealing gasket 11, a jaw of the brake caliper is tightly clamped on the cross beam 17, and the sealing gasket 11 seals the opening of a piston cavity of the brake caliper, so that the assembly and disassembly are convenient; the air joint 9 is a threaded joint, so that the connection firmness is good, the air joint 9 and the air inlet hole of the brake caliper are good in sealing performance after being in threaded connection, and air leakage cannot be caused; the outer wall of the test head 7 is fixedly connected with a handle 18, the handle 18 is convenient for an operator to hold, and the working efficiency is improved.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The low-pressure sealing detection device for the brake caliper comprises a workbench (1) and an air source (2), and is characterized in that an air tightness leak detector (3) is arranged on the workbench (1), the air source (2) is connected with the air tightness leak detector through a first vent pipe (4), a solenoid valve (5) used for controlling the on-off of the first vent pipe (4) is arranged on the first vent pipe (4), the solenoid valve (5) is connected with the air tightness leak detector (3), the air tightness leak detector is connected with a second vent pipe (6), the end part of the second vent pipe (6) is connected with a test head (7), the test head (7) is internally provided with an air pressure sensor (8) and a ventilation joint (9), the air pressure sensor (8) is connected with the air tightness leak detector (3), and the workbench (1) is fixedly connected with a support frame (10) for fixing the brake caliper, and a sealing gasket (11) for sealing a piston cavity of the brake caliper is fixedly connected to the support frame (10).

2. The brake caliper low pressure seal detection device according to claim 1, characterized in that an electric pressure regulating valve (12) is arranged on the vent pipe I (4), and the electric pressure regulating valve (12) is connected with the air tightness leak detector (3).

3. The brake caliper low-pressure seal detection device according to claim 2, wherein a cabinet (13) is disposed on the workbench (1), the air source (2), the vent pipe (4), the electromagnetic valve (5), the electric pressure regulating valve (12), and the air tightness leak detector (3) are disposed in the cabinet (13), and an operation panel of the air tightness leak detector (3) is exposed out of the cabinet (13).

4. Brake caliper low pressure seal detection device according to claim 3, characterized in that said cabinet (13) is provided with a display (14), said display (14) being connected to the leak tightness detector (3).

5. The low-pressure seal detection device for brake calipers according to claim 4, wherein the support frame (10) comprises a bottom plate (15) fixedly connected to the workbench (1), the bottom plate (15) is fixedly connected with two vertically arranged upright posts (16), a cross beam (17) is fixedly connected between the two upright posts (16), an installation space is formed between the cross beam (17) and the bottom plate (15), and the top of the cross beam (17) is fixedly connected with the sealing gasket (11).

6. Brake caliper low pressure seal detection device according to claim 5, characterized in that said venting joint (9) is a threaded joint.

7. The brake caliper low pressure seal detection device according to claim 6, characterized in that a handle (18) is attached to an outer wall of the test head (7).