CN217059230U - Shaft coupling gas tightness detection device - Google Patents
Shaft coupling gas tightness detection device Download PDFInfo
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- CN217059230U CN217059230U CN202220741280.1U CN202220741280U CN217059230U CN 217059230 U CN217059230 U CN 217059230U CN 202220741280 U CN202220741280 U CN 202220741280U CN 217059230 U CN217059230 U CN 217059230U
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- coupling
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- water separator
- pipe
- frame
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Abstract
The utility model discloses a shaft coupling air tightness detection device, which belongs to the technical field of air tightness detection and comprises a frame, wherein an oil-water separator is fixedly arranged on the frame, one end of the oil-water separator is connected with an air source, and the other end of the oil-water separator is connected with a vacuum valve through a first vent pipe; the vacuum valve is fixed in the frame, and the vacuum valve passes through the second breather pipe and inhales the pipe connection, and the second breather pipe sets up the barometer, and the pipe end portion of inhaling sets up the connector in order to be connected with the shaft coupling.
Description
Technical Field
The utility model belongs to the technical field of the airtight detection technique and specifically relates to a coupling gas tightness detection device.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the process of returning the motor train unit to a factory for advanced maintenance, the coupling needs to be disassembled for maintenance, and after disassembly, all parts such as the coupling outer cylinder, the pinion and the like are cleaned.
The inventor finds that at present, as no effective shaft coupling airtightness inspection equipment or inspection method exists, the maintenance of the shaft coupling airtightness cannot be smoothly carried out; when the shaft coupling after adopting current gas tightness check out test set to decompose carries out the gas tightness and overhauls, again because of its price problem causes overhigh maintenance cost.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a coupling gas tightness detection device utilizes the connector to realize the sealing connection of breathing pipe and little gear wheel hub, reduces the coupling atmospheric pressure through air pressure regulating valve and vacuum valve to utilize the barometer to monitor the atmospheric pressure change of coupling, thereby realize the gas tightness monitoring of coupling, solved present coupling check out test set and can't overhaul the problem to the gas tightness.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a coupling airtightness detection device which comprises a frame, wherein an oil-water separator is fixedly arranged on the frame, one end of the oil-water separator is connected with an air source, and the other end of the oil-water separator is connected with a vacuum valve through a first vent pipe; the vacuum valve is fixed on the frame, the vacuum valve is connected with the air suction pipe through a second air pipe, the second air pipe is provided with an air pressure gauge, and the end part of the air suction pipe is provided with a connector to be connected with the coupling.
As a further technical scheme, the air suction pipe is connected with the connector through a quick connector.
As a further technical scheme, the connecting head is provided with a plug structure to be connected with the coupling.
As a further technical scheme, a rubber ring is arranged at the plug structure of the connector.
As a further technical scheme, the oil-water separator is connected with an air source through an air inlet pipe, and the air inlet pipe is provided with a first switch.
As a further technical scheme, an air pressure regulating valve is further arranged at the oil-water separator.
As a further technical scheme, the second vent pipe is provided with a second switch.
As a further technical scheme, the air suction pipe is a spiral telescopic hose.
As a further technical scheme, the oil-water separator and the vacuum valve are arranged oppositely.
As a further technical scheme, the frame is of a quadrilateral structure, and the oil-water separator is fixedly arranged on the frame through a gasket bolt.
Above-mentioned the utility model has the advantages as follows:
the utility model discloses a detection device utilizes the connector to realize the sealing connection of breathing pipe and shaft coupling pinion tooth hub, reduces the shaft coupling atmospheric pressure through the vacuum valve, after a period of keeping the pressure, utilizes the atmospheric pressure change of barometer monitoring shaft coupling, can judge the gas tightness of shaft coupling, and device overall structure is simple, and it is short to detect convenience and time, can realize the quick overhaul of shaft coupling gas tightness.
The utility model discloses the connector adopts the form of quick plug to utilize the sealing rubber circle to realize the sealing connection of connector and shaft coupling pinion tooth hub, not only improved connection speed, saved check-out time, still guaranteed to connect the gas tightness, guaranteed the accuracy of maintenance result.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention.
Fig. 1 is a schematic view of the overall structure of a joint airtightness detection apparatus according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, an oil-water separator; 2. an air inlet pipe; 3. a breather pipe; 4. a vacuum valve; 5. a barometer; 6. an air intake duct; 7. a frame; 8. a connector; 9. a wind source.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As described in the background art, at present, no effective shaft coupling airtightness inspection equipment or inspection method exists, so that the shaft coupling airtightness maintenance cannot be smoothly carried out; when adopting current gas tightness check out test set to carry out the gas tightness to the shaft coupling after the decomposition and overhauls, cause the too high problem of cost of overhaul again because of its price problem, for solving above-mentioned problem, the utility model provides a shaft coupling gas tightness detection device.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1, a coupling airtightness detection apparatus is provided, which includes an oil-water separator 1, a vacuum valve 4, a gas pressure gauge 5, a connection head 8, and a frame 7.
The frame 7 is a bearing part of the whole detection device, and the oil-water separator 1, the vacuum valve 4 and the barometer 5 are all fixedly mounted on the frame 7.
It can be understood that the frame 7 may be a quadrilateral frame structure, or may also be other structural forms such as a pentagon, a hexagon, a circle, and the like, and the material of the frame 7 may be a material such as an aluminum alloy material, PVC, and the like, which is specifically selected according to actual requirements, and is not limited herein.
In this embodiment, the frame 7 adopts quadrilateral structure, and oil water separator 1 utilizes the fixed upper surface that sets up at frame 7 base frame of gasket bolt, and is located the left base angle department of frame 7, and 1 one end of oil water separator is passed through intake pipe 2 and is connected with wind regime 9, and the other end of oil water separator 1 passes through breather pipe 3 and is connected with vacuum valve 4. The wind source can adopt an air pump and the like.
It is understood that the oil-water separator 1 may be disposed at other positions of the frame 7, and the specific position may be selected according to actual needs, which is not limited herein.
The air inlet pipe 2 between the oil-water separator 1 and the air source is provided with a first switch for controlling the on-off of the air inlet pipe 2 between the oil-water separator 1 and the air source, and the oil-water separator 1 is mainly used for removing impurities such as dust, water and oil mist contained in air in the air inlet pipe.
An air pressure regulating valve is also arranged at the oil-water separator 1 and can regulate the air pressure of the pipeline of the detection device.
The vacuum valve 4 is fixedly arranged on the upper surface of the upper frame of the frame 7 and is arranged opposite to the oil-water separator 1, the barometer 5 is fixedly arranged on one side of the vacuum valve 4, the barometer 5 is connected with the vacuum valve 4 through the vent pipe 3, and the vent pipe 3 between the barometer 5 and the vacuum valve 4 is provided with a second switch for controlling the on-off between the barometer 5 and the vacuum valve 4.
It is understood that the vacuum valve 4 and the air pressure gauge 5 can be fixed by welding, bolting, etc., and the specific fixing method is selected according to the material of the frame 7 or the actual design requirement, which is not limited herein.
One end of the barometer 5, which is far away from the vacuum valve 4, is connected with the air suction pipe 6 through the air pipe 3, and the other end of the air suction pipe 6 is fixedly connected with the connector 8.
In order to facilitate the connection between each part and the connection between the whole detection device and the coupling, the air pipe 3 and the air suction pipe 6 both adopt plastic hose structures, and the air suction pipe 6 is a spiral telescopic hose and can adapt to different distances between the detection device and the coupling.
The air suction pipe 6 is connected with the connector 8 through the quick connector, so that the connection air tightness between the air suction pipe 6 and the connector 8 is guaranteed, the connection or the disassembly of the air suction pipe 6 and the connector 8 is facilitated, and the mounting and dismounting speed is improved.
The other end of the connecting head 8 is used for being connected with a coupling pinion gear hub, the connecting part of the connecting head 8 and the pinion gear hub is of a plug structure, and the connecting head 8 and the inside of the pinion gear hub are sealed through an O-shaped rubber ring. The O-shaped rubber ring is arranged at the plug structure of the connector.
The utility model discloses a shaft coupling gas tightness detection device connects into whole with each part through the frame, moves the frame to the shaft coupling when using and needs to detect position department, then connects each part and shaft coupling corresponding structure to detect the gas tightness of shaft coupling, can further optimize the maintenance flow, this detection device repeatability uses simultaneously, reduces the cost of overhaul by a wide margin, realizes stably checking the shaft coupling gas tightness, promotes the equipment quality of spare part.
The detection device comprises the following specific using processes:
firstly, cleaning the flange disc surface of the coupling, and simultaneously cleaning the O-shaped sealing ring and the connector, so as to avoid fouling on the coupling;
then coating vaseline on the surface of a flange plate of the coupling, connecting the oil-water separator 1 with an air source by using the air inlet pipe 2, and inserting the connector 8 into the pinion gear hub;
opening the first switch and the second switch, adjusting an air pressure adjusting valve at the position of the oil-water separator, adjusting the air pressure adjusting valve to a stable value of negative pressure, and extracting air in the pinion gear hub by using the air suction pipe 6;
after the extraction work is finished, closing the first switch and the second switch, starting the timer, and keeping the pressure for more than three minutes;
and observing the change of the air pressure in the pinion gear hub through an air pressure meter 5, and if the air pressure does not fluctuate in a large range after three minutes, keeping the pressure qualified, namely the air tightness of the coupling qualified.
In this embodiment, the range of the pressure change is 0.02MPa, that is, if the pressure change value is less than 0.02MPa, the pressure holding is qualified.
It is understood that the dwell time is not limited to three minutes in the embodiment, and four minutes, five minutes, etc. may be set in other embodiments as long as it is not less than three minutes, otherwise, the accuracy of detection cannot be ensured due to too short dwell time.
This embodiment reduces the atmospheric pressure in the shaft coupling through the mode of evacuation, keeps under pressure a period after, utilizes barometer 5 to observe the change of the atmospheric pressure in the shaft coupling, can judge the gas tightness of shaft coupling, and device overall structure is simple, detects convenient and the time weak point, can realize the quick maintenance of shaft coupling gas tightness.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The device for detecting the air tightness of the coupling is characterized by comprising a frame, wherein an oil-water separator is fixedly arranged on the frame, one end of the oil-water separator is connected with an air source, and the other end of the oil-water separator is connected with a vacuum valve through a first vent pipe; the vacuum valve is fixed on the frame, the vacuum valve is connected with the air suction pipe through a second air pipe, the second air pipe is provided with an air pressure gauge, and the end part of the air suction pipe is provided with a connector to be connected with the coupling.
2. A shaft coupling airtightness detection apparatus according to claim 1, wherein the suction pipe is connected to the connection head by a quick coupling.
3. A coupling airtightness detecting apparatus according to claim 1 or 2, wherein the connecting head is provided with a plug structure for connection with a coupling.
4. A joint airtightness detection apparatus according to claim 3, wherein a rubber ring is provided at said connector plug structure.
5. The coupling airtightness detection apparatus according to claim 1, wherein the oil-water separator is connected to the wind source through an intake pipe, and the intake pipe is provided with a first switch.
6. A coupling airtightness detecting apparatus according to claim 1 or 5, wherein an air pressure adjusting valve is further provided at said oil-water separator.
7. The coupling airtightness detection apparatus according to claim 1, wherein the second vent pipe is provided with a second switch.
8. The joint airtightness detection apparatus according to claim 1, wherein the air suction pipe is a flexible spiral pipe.
9. A coupling airtightness detection apparatus according to claim 1, wherein the oil-water separator and the vacuum valve are disposed to face each other.
10. A joint airtightness detection apparatus according to claim 1, wherein the frame has a quadrangular structure, and the oil-water separator is fixedly provided in the frame by a spacer bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220741280.1U CN217059230U (en) | 2022-03-31 | 2022-03-31 | Shaft coupling gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220741280.1U CN217059230U (en) | 2022-03-31 | 2022-03-31 | Shaft coupling gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059230U true CN217059230U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220741280.1U Active CN217059230U (en) | 2022-03-31 | 2022-03-31 | Shaft coupling gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059230U (en) |
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2022
- 2022-03-31 CN CN202220741280.1U patent/CN217059230U/en active Active
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