CN211178887U - Engineering brake cylinder detection device - Google Patents
Engineering brake cylinder detection device Download PDFInfo
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- CN211178887U CN211178887U CN201922228220.0U CN201922228220U CN211178887U CN 211178887 U CN211178887 U CN 211178887U CN 201922228220 U CN201922228220 U CN 201922228220U CN 211178887 U CN211178887 U CN 211178887U
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Abstract
The utility model discloses an engineering brake cylinder detection device, which relates to the technical field of brake cylinder detection equipment; the device comprises a test table and three control gas circuit structures arranged in parallel in the test table, wherein each control gas circuit structure is sequentially provided with a pressure reducing valve, an operating valve and a branch switch along the inflation direction; one end of each of the three control air path structures is combined to form a main air path A which is communicated with a main air system through a main air switch, the other end of each of the three control air path structures is combined to form a main air path B which is communicated with the engineering brake cylinder, so that air sent out from the main air system can be filled into the engineering brake cylinder through each control air path structure, and one end of each of the three control air path structures, which is communicated with the engineering brake cylinder, is provided with a pressure transmitting controller; by implementing the technical scheme, the adjustment error caused by manual repeated adjustment can be effectively avoided, and the detection precision is improved; and the damage of the same pressure reducing valve caused by repeated adjustment can be prevented, the labor intensity of operators is reduced, and the production requirements of enterprises are met.
Description
Technical Field
The utility model relates to a checking cylinder check out test set technical field especially relates to an engineering checking cylinder detection device.
Background
The brake cylinder is an important part on the vehicle and is used for providing power for a brake system of the vehicle, the brake cylinder can be assembled on the vehicle for use after the brake cylinder is repaired and assembled, but in the process of repairing and assembling the brake cylinder, the phenomenon that the brake cylinder after the brake cylinder is repaired and assembled leaks air easily occurs due to the assembling precision, and the brake cylinder needs to be subjected to overall performance testing. The integral performance test platform in the prior art adopts manual control operation, the brake cylinder is manually controlled to inflate or deflate, the pressure reducing valve is repeatedly and manually adjusted to meet different pressure states for testing, and the pressure value of the pressure gauge is manually recorded. From the above, in the prior art, the overall performance test platform is inconvenient to operate and low in working efficiency.
Therefore, in the process of implementing the embodiment of the invention, the inventor of the present application finds that the existing engineering brake cylinder detection has at least the following technical problems: on one hand, the existing detection means is complex to operate, pressure maintaining tests are carried out on the engineering brake cylinder controlled by manually and repeatedly adjusting the pressure reducing valve under the conditions of 80Kpa, 450Kpa and 600Kpa, whether the corresponding stroke change of the engineering brake cylinder meets the requirements or not is detected, the detection efficiency is low, and the test is carried out under the condition that the pressure reducing valve is repeatedly and manually adjusted and the pressure reducing valve is difficult to accurately meet different pressure states; on the other hand, the existing pressure reducing valve is easy to damage and leak during repeated manual adjustment, but the existing engineering brake cylinder detection test cannot judge whether the engineering brake cylinder leaks or the detection device leaks, so that a novel engineering brake cylinder detection device is urgently needed to be researched and designed by technical personnel in the field, the requirement of the engineering brake cylinder performance test is met, the detection efficiency and the detection precision are improved, and the production requirements of enterprises are met.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that above-mentioned current engineering brake jar detection efficiency is low and detect the precision low, the utility model aims to provide an engineering brake jar detection device, its purpose one lies in adopting three control gas circuit structure principles, reach and control whether the engineering brake jar stroke change and pressurize meet the demands under three kinds of different pressure conditions, can effectively avoid adjusting repeatedly same relief pressure valve and realize that control engineering brake jar switches under different conditions and carry out the pressurize test, improve brake jar detection efficiency and detection precision, its purpose two is in can effectively preventing the relief pressure valve from adjusting repeatedly and appearing damaging, if the leakage condition appears, can effectively judge that engineering brake jar appears the leakage or detection device appears the leakage, reduce operating personnel intensity of labour, further improve experimental detection efficiency and detection precision, satisfy the enterprise's production demand.
The utility model adopts the technical scheme as follows:
an engineering brake cylinder detection device comprises a test bed and three control gas circuit structures arranged in parallel in the test bed, wherein each control gas circuit structure is sequentially provided with a pressure reducing valve and an operating valve along an inflation direction; one end of each of the three control air path structures is combined to form a main air path A which is communicated with the main air system through a main air switch, the other end of each of the three control air path structures is combined to form a main air path B which is communicated with the engineering brake cylinder, so that air sent out from the main air system can be filled into the engineering brake cylinder through each control air path structure, and one end of each of the three control air path structures, which is communicated with the engineering brake cylinder, is provided with a pressure transmitting controller.
The principle of the technical scheme is as follows: according to the engineering brake cylinder detection device designed and manufactured by the technical scheme, each control gas circuit structure meets the requirements of an engineering brake cylinder test, the structural design is ingenious and reasonable, the pressure of three pressure reducing valves is respectively adjusted to 80Kpa, 450Kpa and 600Kpa, gas sent out from a main air system is respectively filled into the engineering brake cylinder through the three pressure reducing valves and corresponding control valves, and then the engineering brake cylinder is controlled to perform a pressure maintaining test under the conditions of 80Kpa, 450Kpa and 600Kpa, so that whether the pressure maintaining and corresponding stroke change of the engineering brake cylinder at each position meet the requirements or not is detected, the pressure reducing valves are not required to be adjusted repeatedly, different conversions of adjusting the pressure can be conveniently realized, on one hand, the problem that the pressure reducing valves are adjusted repeatedly and manually and difficultly accurately meet the tests in different pressure states can be effectively solved, and the detection; on the other hand can prevent that same relief pressure valve from adjusting repeatedly and appearing damaging, reduces operating personnel intensity of labour, improves the life of relief pressure valve, further improves experimental detection efficiency and detection precision, satisfies enterprise's production demand.
Optionally, an installation panel is disposed on an upper plane of the test bed, the pressure transmission controller is installed on an upper half portion of the installation panel installation plane, and the three control valves on the control air path structure are sequentially installed on a lower half portion of the installation panel installation plane. Specifically, control handles of the three control valves are sequentially arranged from left to right along the lower half part of the mounting panel, so that air supply and pressure maintaining can be conveniently controlled in actual operation.
Optionally, a branch switch is arranged on each control gas path structure, and the branch switch is arranged on one side, close to the engineering brake cylinder, of the operating valve. Because the input pressure of the operating valve is high, the pressure can be maintained when the output pressure is low; the pressure of each air path is not communicated when three control air path structures are designed, so that pressure maintaining tests are carried out on the engineering brake cylinder under the conditions of 80Kpa, 450Kpa and 600Kpa more accurately and whether the corresponding stroke change of the engineering brake cylinder meets the requirements is detected, and a branch switch is additionally arranged on each control air path, so that the technical problem of unstable pressure maintaining of the control valves can be effectively solved, and the three control air path structures arranged in parallel are not influenced by each other.
Optionally, a main gas circuit switch is arranged on the main gas circuit B. A main gas circuit switch is additionally arranged on the detection main gas circuit B, and a pressure transmission controller is positioned between the main gas circuit switch and the three control gas circuit structures; so close the main way switch, alright detect three control gas circuit structure function simultaneously whether qualified, judge that leak appears in the engineering checking cylinder or detection device leaks, if detection device appears leaking and opens and close every control gas circuit structure of detecting one by one through the branch switch, it is convenient to detect, has better practicality.
Optionally, an air storage cylinder is arranged on the main air path a, and the air storage cylinder is arranged on one side of the main air switch close to the three control air path structures. The design of the air storage cylinder on the main air path A can accelerate the inflation of the engineering brake cylinder and improve the overall performance detection efficiency of the engineering brake cylinder.
Optionally, two ends of the three control air path structures are respectively combined through a four-way joint to form a main air path a and a main air path B. The four-way joint adopted by the technical scheme is provided with a main joint and three branch joints arranged side by side, the gas path structure of the detection device formed by the four-way joint is stable in connection, three control gas path structures which are conveniently arranged side by side are mounted in the test bed, the structural design is ingenious and reasonable, and materials are conveniently obtained.
Optionally, the four-way joint is fixed to the mounting panel by bolts. The disassembly and the assembly are convenient, and the structural connection is stable.
Optionally, the test bench is of a square steel welding structure, supporting columns are welded around the test bench, and the mounting panel is welded on the supporting columns.
Optionally, two fixed casters are disposed at one side of four corners of the bottom of the test bed, and two universal wheels with a braking function are disposed at the other side of the four corners of the bottom of the test bed. The operation and the use are convenient to move and detect, and the appearance is attractive.
Optionally, a supporting angle steel is arranged around the bottom of the mounting panel, and a side wall plate and an end wall plate are arranged on the outer side of the supporting angle steel. The detection device is stable and reliable in structural installation and has better rigid structural strength.
As described above, the present invention has at least the following advantages over the prior art:
1. the utility model discloses detection device adopts three control gas circuit structures, and dispose relief pressure valve and operating valve alone at every control gas circuit structure, adjust three relief pressure valve pressure 80Kpa, 450Kpa and 600Kpa under the pressurize test condition respectively, cancelled the test that current repetition manual regulation relief pressure valve satisfies different pressure conditions, need not to adjust the relief pressure valve repeatedly, can be convenient realize the different conversion of adjustment pressure, one of which can effectively improve the checking cylinder detection efficiency, the other can effectively avoid artifical repetition adjustment to lead to appearing regulating error and then improve and detect the precision; the three effects of preventing the same pressure reducing valve from being repeatedly adjusted and damaged, reducing the labor intensity of operators, prolonging the service life of the pressure reducing valve and meeting the production requirements of enterprises.
2. The detection device of the utility model is additionally provided with the branch switch on each control gas circuit structure, one of which can effectively solve the technical problem that the pressure maintaining of the operating valve is unstable due to the different pressures on each control gas circuit, so that the structures of the three control gas circuits which are arranged in parallel are not influenced mutually, and the test precision of different pressure states is improved; the design of the two-branch switch can effectively utilize the pressure transmission controller to detect the leakage condition of each control gas circuit structure, and the accurate search of leakage points is realized.
3. The utility model discloses it has the main way switch to detect on the total gas circuit B of engineering brake cylinder and three control gas circuit structure intercommunications design, is convenient for do function test to engineering brake cylinder detection device, judges that engineering brake cylinder leakage still is the detection device leakage to the structural pressurize position of the last route switch of design that combines three control gas circuit can specifically judge which one of detection device control gas circuit is structural leaks, and structural design is simple, the simple operation, and the practicality is good.
4. The utility model designs the air storage cylinder between the three control air circuit structures and the main air switch, and the air storage cylinder can accelerate the inflation of the engineering brake cylinder, thereby improving the overall performance detection efficiency of the engineering brake cylinder; and a common pressure gauge for detecting the pressure maintaining condition of the engineering brake cylinder is changed into a pressure transmission controller, and the detected pressure can be accurate to 0.1 Kpa.
5. The test bed has better rigid structural strength and reliable stability; the operating valve is reasonably arranged along the installation panel of the test bed, so that the operation is convenient; simultaneously, dispose the universal wheel of truckle and brake function rationally at four corners in test bench bottom, it is convenient to operate and use the removal detection, has better practicality.
Drawings
The invention will be described by way of example only and with reference to the accompanying drawings, in which
Fig. 1 is a schematic view of a gas circuit structure connection of an engineering brake cylinder detection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a test bench in the brake cylinder detection device according to the embodiment of the present invention;
FIG. 3 is a schematic view of the mounting panel of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
fig. 5 is a top view of the mounting panel of fig. 3.
Description of reference numerals: 1-engineering brake cylinder; 2-total wind switch; 3-a pressure reducing valve; 4-operating a valve; 5-branch switch; 6-a main circuit switch; 7-air reservoir; 8-a pressure transmitter controller; 9-test bed; 91-mounting a panel; 92-a base plate; 93-supporting columns; 94-support angle steel; 95-side wall panels; 96-end wall panels; 97-fixed caster; 98-universal wheels; a 10-four-way joint.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The embodiment is basically as shown in fig. 1 and 2, and the embodiment provides an engineering brake cylinder detection device, which comprises a test bed and three control air path structures arranged in parallel in the test bed, wherein each control air path structure is sequentially provided with a pressure reducing valve 3 and an operating valve 4 along an inflation direction, the specific model of the pressure reducing valve 3 provided by the embodiment is a pressure reducing valve S L-1-1/4, the pressure of the three pressure reducing valves 3 can be respectively adjusted to 80Kpa, 450Kpa and 600Kpa, the engineering brake cylinder 1 is respectively controlled to perform pressure holding tests under the conditions of 80Kpa, 450Kpa and 600Kpa, the left ends of the three control air path structures are combined to form a total air path A which is communicated with a total air system through a total air switch 2, the right ends of the three control air path structures are combined to form a total air path B which is communicated with the engineering brake cylinder 1, so that air sent from the total air system can be charged into the engineering brake cylinder 1 through each control air path structure, and one end of the three air path structures which is communicated.
Specifically, as shown in fig. 3 to 5, the test bed provided in this embodiment is a square steel welded structure, a bottom plate 92 is disposed at the bottom of the test bed 9, support columns 93 are welded around the test bed bottom plate 92, an installation panel 91 is disposed on the upper plane of the test bed 9, the installation panel 91 is welded on the support columns, the pressure transmission controller 8 is installed at the upper half of the installation plane of the installation panel 91, the three control valves 4 on the control air path structure are sequentially installed at the lower half of the installation plane of the installation panel 91, specifically, the control handles of the three control valves 4 are sequentially arranged from left to right along the lower side of the installation panel 91, so as to facilitate control of air supply and pressure maintaining in actual operation.
In order to more accurately control the engineering brake cylinder 1 to perform a pressure maintaining test under the conditions of 80Kpa, 450Kpa and 600Kpa and detect whether the corresponding stroke change of the engineering brake cylinder 1 meets the requirement, a branch switch 5 is arranged on each control gas path structure, the branch switch 5 is arranged on one side, close to the engineering brake cylinder 1, of the operating valve 4, and the pressure can be maintained when the output pressure is low due to the fact that the input pressure of the operating valve 4 is high; the pressure of each gas path is not communicated when three control gas path structures are designed, and a branch switch 5 is additionally arranged on each control gas path, so that the technical problem of unstable pressure maintaining of the operating valve 4 can be effectively solved, and the three control gas path structures arranged in parallel are not influenced by each other.
Meanwhile, a main gas circuit switch 6 is additionally arranged on a main gas circuit B of the detection device, and a pressure transmission controller 8 is positioned between the main gas circuit switch 6 and the three control gas circuits; so close main way switch 6, alright detect three control gas circuit structure function simultaneously whether qualified, judge that engineering brake cylinder 1 appears the leak or detection device appears the leak to what the structural design of branch switch 5 of combining three control gas circuit can specifically judge that it is the structural pressurize position of detection device on leak, open and close through branch switch 5 promptly and detect every control gas circuit structure one by one, it is convenient to detect, has better practicality.
In the embodiment, the air storage cylinder 7 is arranged on the main air path A, the air storage cylinder 7 is arranged on one side of the main air switch 2 close to the three control air path structures, and the air storage cylinder 7 on the main air path A can accelerate the inflation of the engineering brake cylinder 1 and improve the overall performance detection efficiency of the engineering brake cylinder 1; meanwhile, two ends of the three control air path structures are respectively combined through the four-way joint 10 to form a main air path A and a main air path B. The four-way joint 10 adopted by the technical scheme is provided with a main joint and three branch joints arranged side by side, the gas path structure of the detection device formed by the four-way joint is stable in connection, three control gas path structures arranged side by side are conveniently arranged in the test bed 9, the structural design is ingenious and reasonable, and materials are convenient to obtain; specifically, as shown in fig. 4, the four-way joint 10 is fixed on the mounting panel 91 by bolts, so that the four-way joint is convenient to detach and mount and stable in structural connection; the pressure transmission controller 8 can be directly communicated with a main joint of the four-way joint 10, so that the engineering brake cylinder 1 detection device can conveniently perform a function test, and can also be installed on a main air path B to judge whether the engineering brake cylinder 1 leaks or the detection device leaks, the use is convenient, the specific model of the pressure transmission controller 8 provided by the embodiment is a pressure transmission controller KMP484, the external power supply is connected, and the detection pressure can be accurate to 0.1 Kpa.
In order to facilitate the movement detection and use, the left side of the four corners at the bottom of the test bed 9 is provided with two fixed casters 97, and the right side is provided with two universal wheels 98 with a braking function, so that the movement detection and use are convenient, and the appearance is attractive; as shown in fig. 5, in the present embodiment, support angle steel 94 is disposed around the bottom of the installation panel, and a side wall plate 95 and an end wall plate 96 are disposed outside the support angle steel 94; the detection device is stable and reliable in structural installation and has better rigid structural strength.
The specific implementation mode is as follows: the pressure of the three pressure reducing valves 3 is respectively adjusted to 80Kpa, 450Kpa and 600Kpa, gas sent out from a main air system is respectively filled into the engineering brake cylinder 1 through the three pressure reducing valves 3 and the corresponding operating valves 4, and then the engineering brake cylinder 1 is controlled to carry out a pressure maintaining test under the conditions of 80Kpa, 450Kpa and 600Kpa, so that whether the pressure maintaining and corresponding stroke change of the engineering brake cylinder 1 at each position meet requirements or not is detected, the pressure reducing valves 3 do not need to be adjusted repeatedly, different conversions of pressure adjustment can be conveniently realized, the brake cylinder detection efficiency can be effectively improved on the one hand, and the adjustment error caused by manual repeated adjustment can be effectively avoided on the other hand, so that the detection precision is improved; the three effects of preventing the same pressure reducing valve 3 from being repeatedly adjusted are that the damage occurs, the labor intensity of operators is reduced, the service life of the pressure reducing valve 3 is prolonged, the production requirements of enterprises are met, and the pressure reducing valve is suitable for popularization and application.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An engineering brake cylinder detection device is characterized in that: the device comprises a test bed and three control gas circuit structures arranged in parallel in the test bed, wherein each control gas circuit structure is sequentially provided with a pressure reducing valve and an operating valve along the inflation direction; one end of each of the three control air path structures is combined to form a main air path A which is communicated with the main air system through a main air switch, the other end of each of the three control air path structures is combined to form a main air path B which is communicated with the engineering brake cylinder, so that air sent out from the main air system can be filled into the engineering brake cylinder through each control air path structure, and one end of each of the three control air path structures, which is communicated with the engineering brake cylinder, is provided with a pressure transmitting controller.
2. The engineered brake cylinder checking device according to claim 1, wherein: the upper plane of the test bed is provided with a mounting panel, the pressure transmission controller is mounted on the upper half part of the mounting panel mounting plane, and the three control valves on the control gas circuit structure are sequentially mounted on the lower half part of the mounting panel mounting plane.
3. The engineered brake cylinder checking device according to claim 1, wherein: and each control gas circuit structure is provided with a branch switch, and the branch switches are arranged on one sides of the operating valves, which are close to the engineering brake cylinders.
4. The engineered brake cylinder checking device according to claim 3, wherein: and a main circuit switch is arranged on the main gas circuit B.
5. The engineered brake cylinder checking device according to claim 1, wherein: and the main air path A is provided with an air storage cylinder, and the air storage cylinder is arranged on one side of the main air switch close to the three control air path structures.
6. The engineered brake cylinder checking device according to claim 2, wherein: and two ends of the three control air path structures are respectively combined through a four-way joint to form a main air path A and a main air path B.
7. The engineered brake cylinder checking device according to claim 6, wherein: the four-way joint is fixed on the mounting panel through bolts.
8. The engineered brake cylinder checking device according to claim 2, wherein: the test bench is square steel welded structure, has the support post in the welding all around of test bench, the installation panel welding is on the support post.
9. The engineered brake cylinder checking device according to claim 8, wherein: one side of each of four corners of the bottom of the test bed is provided with two fixed casters, and the other side of each corner is provided with two universal wheels with a braking function.
10. The engineered brake cylinder checking device according to claim 8, wherein: supporting angle steel is arranged around the bottom of the mounting panel, and a side wall plate and an end wall plate are arranged on the outer side of the supporting angle steel.
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CN201922228220.0U CN211178887U (en) | 2019-12-12 | 2019-12-12 | Engineering brake cylinder detection device |
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CN201922228220.0U CN211178887U (en) | 2019-12-12 | 2019-12-12 | Engineering brake cylinder detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113218593A (en) * | 2021-03-18 | 2021-08-06 | 眉山中车制动科技股份有限公司 | Chamber airtightness detection method introducing temperature effect compensation value |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113218593A (en) * | 2021-03-18 | 2021-08-06 | 眉山中车制动科技股份有限公司 | Chamber airtightness detection method introducing temperature effect compensation value |
CN113218593B (en) * | 2021-03-18 | 2023-04-28 | 眉山中车制动科技股份有限公司 | Chamber air tightness detection method introducing temperature effect compensation value |
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