CN211696848U - Rail vehicle braking air tightness test trolley - Google Patents
Rail vehicle braking air tightness test trolley Download PDFInfo
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- CN211696848U CN211696848U CN202020256580.1U CN202020256580U CN211696848U CN 211696848 U CN211696848 U CN 211696848U CN 202020256580 U CN202020256580 U CN 202020256580U CN 211696848 U CN211696848 U CN 211696848U
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- vehicle brake
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Abstract
The utility model discloses a rail vehicle braking air tightness test trolley, which relates to the technical field of air tightness test devices and comprises a trolley and an air tightness pipe system, wherein the air tightness pipe system is arranged on the trolley; the air-tight pipe system comprises a transverse pipe, one end of the transverse pipe is provided with a pressure gauge, a side-row cutoff cock and an air inlet hose quick connector; the transverse pipe is provided with a longitudinal pipe, the longitudinal pipe is provided with a longitudinal cut-off cock, and the bottom of the longitudinal pipe is provided with a quick connection-peg of an exhaust port hose. After the tube bank is assembled, the end part of the air outlet side pipeline is plugged by a tube plug, the tube bank is connected with the air outlet end by a quick-insertion hose and a conversion joint, the air inlet end is connected with an air source, and compressed air is filled in the tube bank pipeline to realize an airtight pressure test of the tube bank. After the whole vehicle brake pipeline and the BCU control module are assembled, hoses and steel pipes of unconnected equipment are plugged, the air outlet end of the airtight trolley is connected with a vehicle end main air hose through the quick-insertion hose and the adapter, and the air inlet end of the airtight trolley is connected with an air source, so that a whole vehicle brake pipeline pressure test is realized.
Description
Technical Field
The utility model relates to an airtight test technical field especially relates to a rail vehicle braking airtight test dolly.
Background
When the traditional airtight tool is used, the traditional airtight tool needs to be carried back and forth along with a pipeline according to a used field, so that time and labor are wasted, and the traditional airtight tool is easy to damage in the carrying process; and the end of giving vent to anger of traditional airtight frock is single pipeline interface, can't connect many different specifications brake bank of tubes under the car simultaneously, realizes bank of tubes airtight test and whole car airtight test.
Disclosure of Invention
For solving the technical problem, the utility model provides a rail vehicle braking airtight test dolly can be used for the bank of tubes airtight test and whole car airtight test to be convenient for remove.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a railway vehicle braking air tightness test trolley, which comprises a trolley and an air tightness pipe system, wherein the air tightness pipe system is arranged on the trolley; the air-tight pipe system comprises a transverse pipe, and the end part of one end of the transverse pipe is sequentially provided with a pressure gauge, a side-row cutoff cock and an air inlet hose quick connector; the horizontal pipe is provided with a plurality of longitudinal pipes in parallel, the longitudinal pipes are provided with longitudinal cut-off plugs, and the bottoms of the longitudinal pipes are provided with exhaust port hose quick connectors.
Optionally, the gas-tight tube system is arranged on the trolley through a tube clamp body.
Optionally, the bottom of the trolley is provided with a plurality of universal support wheels.
Optionally, the transverse pipe comprises a plurality of transverse external thread pipes, and the plurality of transverse external thread pipes are connected through an internal thread tee body.
Optionally, the longitudinal pipe comprises a longitudinal external thread short pipe and a longitudinal external thread long pipe, one end of the longitudinal external thread short pipe is connected with the tee body, the longitudinal cutoff cock is arranged between the other end of the longitudinal external thread short pipe and one end of the longitudinal external thread long pipe, and the exhaust port hose quick connector is arranged at the end of the other end of the outward thread long pipe.
Optionally, the end of the other end of the transverse pipe is connected with one end of an internal thread elbow, and the other end of the internal thread elbow is connected with the longitudinal pipe.
Optionally, the trolley is of a double-layer structure, and the airtight pipe system is arranged on the upper layer of the trolley.
Optionally, the trolley is made of a profile.
The utility model discloses for prior art gain following technological effect:
1. after the pipe row is assembled, the end part of the air outlet side pipeline can be plugged by selecting a corresponding pipe plug according to the pipe end form, the pipe row is connected with the air outlet end of the airtight test trolley by using the quick-insertion hose and the adapter, the air inlet end of the airtight trolley is connected with an air source, compressed air is filled into each pipeline of the pipe row, and the airtight pressure test of the pipe row is realized.
2. After the whole vehicle brake pipeline and the BCU control module are assembled, corresponding pipe plugs can be selected according to pipe end forms to respectively plug the ends of hoses and steel pipes of unconnected equipment by the pipe plugs, the air outlet end of the airtight trolley is connected with a vehicle end main air hose by the quick-insertion hose and the adapter, and the air inlet end of the airtight trolley is connected with an air source to realize a pressure test of the whole vehicle brake pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a railway vehicle brake airtightness test trolley;
FIG. 2 is a left side view schematic structural diagram of the rail vehicle brake air tightness test trolley;
FIG. 3 is a schematic top view of the railway vehicle brake air tightness test trolley;
FIG. 4 is a schematic structural diagram of a trolley in the rail vehicle brake air tightness test trolley;
FIG. 5 is a schematic structural diagram of a trolley in the rail vehicle brake air tightness test trolley;
FIG. 6 is a schematic structural diagram of a trolley in the rail vehicle brake air tightness test trolley;
FIG. 7 is a schematic structural diagram of an air-tight pipe system in the railway vehicle brake air-tight test trolley.
In the figure, 1, a chute profile trolley; 2. a tube clamp body; 3. an airtight piping system; 4. a chute section bar; 5. connecting corner fittings; 6. an inner hexagonal round-head bolt; 7. a threaded slider; 8. a square thread plate; 9. a universal support wheel; 10. an airtight pressure gauge; 11. a transverse externally threaded tube; 12. an internal thread tee body; 13. an internal thread elbow; 14. a longitudinal externally threaded stub; 15. longitudinally cutting off the cock; 16. a longitudinal externally threaded long tube; 17. a quick connector for a hose at the exhaust port; 18. a side row cutoff cock; 19. air inlet hose quick connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1-7, the railway vehicle brake airtightness test trolley in the embodiment comprises a trolley and an airtight pipe system 3, wherein the airtight pipe system 3 is arranged on the trolley; the gas-tight pipe system 3 comprises a transverse pipe, and the end part of one end of the transverse pipe is sequentially provided with a pressure gauge, a side-row cutoff cock 18 and an air inlet hose quick connector 19; the horizontal pipe is provided with a plurality of longitudinal pipes in parallel, the longitudinal pipes are provided with longitudinal cut-off plugs 15, and the bottoms of the longitudinal pipes are provided with exhaust port hose quick connectors 17.
The trolley is connected by a group of connecting angle pieces 5 through hexagon socket head round-head bolts 6 and threaded sliders 7, a threaded hole is formed below each square section column, a square threaded plate 8 is connected with the threaded hole of each square column through a bolt, and the head of a universal supporting wheel 9 is connected with the threaded hole in the middle of the square threaded plate 8.
The gas-tight pipe system 3 is arranged on the trolley through the pipe clamp body 2. The trolley is of a double-layer structure, and the airtight pipe system 3 is arranged on the upper layer of the trolley.
The transverse pipe comprises a plurality of transverse external thread pipes 11, and the plurality of transverse external thread pipes 11 are connected through an internal thread tee body 12.
The longitudinal pipe comprises a longitudinal external thread short pipe 14 and a longitudinal external thread long pipe 16, one end of the longitudinal external thread short pipe 14 is connected with the tee body, the longitudinal cutoff cock 15 is arranged between the other end of the longitudinal external thread short pipe 14 and one end of the longitudinal external thread long pipe 16, and the exhaust port hose quick plug 17 is arranged at the end of the other end of the outward thread long pipe.
The end of the other end of the transverse pipe is connected with one end of an internal thread elbow 13, and the other end of the internal thread elbow 13 is connected with the longitudinal pipe.
When the device is used specifically, when an air tightness test of an under-vehicle preassembly pipe row is carried out, a rail vehicle brake air tightness test trolley is pushed to the vicinity of the preassembly under-vehicle brake pipe row, one end of an air inlet quick-insertion hose is connected with a quick-insertion connector of the air inlet hose, the other end of the air inlet quick-insertion hose is connected with an air source, a side row intercepting valve 18 and a longitudinal intercepting valve 15 are opened, one end of an air outlet quick-insertion hose is connected with a quick-insertion connector of an air outlet, the other end of the quick-insertion hose is connected with a reducing quick-insertion connector, the reducing quick-insertion connectors are respectively connected with clamping sleeve type nuts with different pipe diameters on the brake pipe row, other interfaces of the pipe row are blocked through pipe plugs, after the air compressor is started, the pressure value of an air-tight pressure gauge 10 is observed to reach a specified value, the side row intercepting valve 18 is closed, the pressure in the pipe row is kept at the, and disconnecting the air inlet quick-plug hose connected with the air source, opening a handle with a side row cutoff cock 18 to release the pressure of the tube row, and detaching the tube row packaging process plug.
When the whole vehicle air tightness test is carried out, a rail vehicle braking air tightness test trolley is pushed to the position near an assembled vehicle end, one end of an air inlet quick-inserting hose is connected with an air inlet quick-inserting connector, the other end of the air inlet quick-inserting hose is connected with an air source, a side row cutoff cock 18 and a longitudinal cutoff cock 15 are opened, one end of the quick-inserting hose is connected with an air outlet quick-inserting connector of the air tightness test trolley, the other end of the quick-inserting hose is connected with a reducing quick-inserting connector, the reducing quick-inserting connector is connected with a main air pipe clamping sleeve type nut, other interfaces of the vehicle are blocked through pipe plugs, an air compressor is started, after the pressure value of an air-tight pressure gauge 10 reaches a specified value, the side row cutoff cock 18 is closed, the pressure in a whole vehicle braking pipeline is kept at a specified pressure value, whether a leakage point exists in the whole vehicle braking pipeline is detected, after the pressure is kept, and opening a handle with a side discharge cutoff cock 18 to release the pressure of the vehicle brake pipeline, and detaching the vehicle brake pipeline packaging process plug.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. The rail vehicle brake airtightness test trolley is characterized by comprising a trolley and an airtightness pipe system, wherein the airtightness pipe system is arranged on the trolley; the air-tight pipe system comprises a transverse pipe, and the end part of one end of the transverse pipe is sequentially provided with a pressure gauge, a side-row cutoff cock and an air inlet hose quick connector; the horizontal pipe is provided with a plurality of longitudinal pipes in parallel, the longitudinal pipes are provided with longitudinal cut-off plugs, and the bottoms of the longitudinal pipes are provided with exhaust port hose quick connectors.
2. The railway vehicle brake air tightness test trolley according to claim 1, wherein the air tightness pipe system is arranged on the trolley through a pipe clamp body.
3. The railway vehicle brake air tightness test trolley according to claim 1, wherein a plurality of universal support wheels are arranged at the bottom of the trolley.
4. The railway vehicle brake air tightness test trolley according to claim 1, wherein the transverse tube comprises a plurality of transverse externally threaded tubes connected by an internally threaded tee.
5. The railway vehicle brake air tightness test trolley according to claim 4, wherein the longitudinal pipe comprises a longitudinal external thread short pipe and a longitudinal external thread long pipe, one end of the longitudinal external thread short pipe is connected with the tee body, the longitudinal cut-off plug valve is arranged between the other end of the longitudinal external thread short pipe and one end of the longitudinal external thread long pipe, and the exhaust port hose quick-connection plug is arranged at the end of the other end of the outward thread long pipe.
6. The railway vehicle brake airtightness test trolley according to claim 1 or 4, wherein the end portion of the other end of the transverse pipe is connected to one end of an internally threaded elbow, and the other end of the internally threaded elbow is connected to one of the longitudinal pipes.
7. The railway vehicle brake airtightness test trolley according to claim 1, wherein the trolley is of a double-layer structure, and the airtight pipe is disposed on an upper layer of the trolley.
8. The railway vehicle brake airtightness test trolley according to claim 1, wherein the trolley is made of a profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020256580.1U CN211696848U (en) | 2020-03-05 | 2020-03-05 | Rail vehicle braking air tightness test trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020256580.1U CN211696848U (en) | 2020-03-05 | 2020-03-05 | Rail vehicle braking air tightness test trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211696848U true CN211696848U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020256580.1U Active CN211696848U (en) | 2020-03-05 | 2020-03-05 | Rail vehicle braking air tightness test trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211696848U (en) |
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2020
- 2020-03-05 CN CN202020256580.1U patent/CN211696848U/en active Active
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