CN217637826U - Stator inner tube welding gas tightness detection device - Google Patents

Stator inner tube welding gas tightness detection device Download PDF

Info

Publication number
CN217637826U
CN217637826U CN202221554709.2U CN202221554709U CN217637826U CN 217637826 U CN217637826 U CN 217637826U CN 202221554709 U CN202221554709 U CN 202221554709U CN 217637826 U CN217637826 U CN 217637826U
Authority
CN
China
Prior art keywords
stator inner
cover plate
inner tube
barrel
upper cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221554709.2U
Other languages
Chinese (zh)
Inventor
任科
罗雄
姚秋华
郭江平
申亮
陈炳正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan CRRC Shangqu Electric Co Ltd
Original Assignee
Hunan CRRC Shangqu Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan CRRC Shangqu Electric Co Ltd filed Critical Hunan CRRC Shangqu Electric Co Ltd
Priority to CN202221554709.2U priority Critical patent/CN217637826U/en
Application granted granted Critical
Publication of CN217637826U publication Critical patent/CN217637826U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The application discloses stator inner tube welding gas tightness detection device includes: centre gripping subassembly and the sealed bucket of detachable, wherein the centre gripping subassembly is used for the both ends of sealed centre gripping stator inner tube, be equipped with the air cock on the sealed bucket and connect and the observation window, wherein be used for holding the stator inner tube in the sealed bucket, the observation window corresponds with the inner chamber of stator inner tube, when the test, the stator inner tube that the centre gripping subassembly was held is put into the sealed bucket, wherein the inner chamber of stator inner tube is used for the injected water, then connect the cavity input gas of giving between staving and the stator inner tube through the air cock, if the leakage appears in the welding position of stator inner tube, then can produce the bubble, observe the position of bubble through the observation window, can judge the accurate leakage position of stator inner tube, and then improve the detection efficiency of stator inner tube, and also be convenient for follow-up carry out accurate repair to the leakage position.

Description

Stator inner tube welding gas tightness detection device
Technical Field
The application relates to the technical field of motors, in particular to a stator inner tube welding airtightness detection device.
Background
The stator inner cylinder of the submersible linear motor needs to be subjected to hermetic seal detection to ensure the normal work of the submersible linear motor, a differential pressure instrument is mainly adopted for detection at present, and the leakage of the inner cylinder of a measured object can cause pressure drop, so that differential pressure is generated between the inner cylinder of the measured object and a standard component, and the inner cylinder of the measured object can be judged to be leaked. However, in the detection process, the pressure value is reduced to a certain extent, so that the welding leakage point of the stator inner cylinder is difficult to judge, and the welding leakage point cannot be improved.
Therefore, how to improve the welding airtightness accuracy of the stator inner cylinder is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a stator inner tube welding gas tightness detection device, can effectively improve its detection accuracy nature to improve the leakage point.
In order to achieve the above purpose, the present application provides the following technical solutions:
a stator inner tube welding airtightness detection device comprises:
the clamping assembly is used for sealing and clamping two ends of the stator inner cylinder;
the sealed bucket of detachable is equipped with the air cock and connects and the observation window, be used for holding in the sealed bucket the stator inner tube, the observation window with the inner chamber of stator inner tube corresponds, the inner chamber of stator inner tube is used for the injected water, sealed bucket with cavity between the stator inner tube is used for passing through the air cock connects input gas.
Preferably, the sealed bucket includes staving and upper cover plate, upper cover plate sealing connection be in the one end of staving, be equipped with on the upper cover plate the air cock connects with the observation window.
Preferably, the clamping assembly comprises the upper cover plate, a lower cover plate and a pull rod, and two ends of the pull rod are respectively connected with the upper cover plate and the lower cover plate so as to clamp the stator inner cylinder between the upper cover plate and the lower cover plate.
Preferably, the opposite surfaces of the lower cover plate and the upper cover plate are respectively provided with a ring groove for accommodating a first sealing ring, and two ends of the stator inner cylinder are respectively abutted against the first sealing ring.
Preferably, a plurality of uniformly distributed pull rods are arranged in the circumferential direction of the upper cover plate and the lower cover plate.
Preferably, a second sealing ring is arranged between the barrel body and the connecting end face of the upper cover plate.
Compared with the prior art, the technical scheme has the following advantages:
the application provides a stator inner tube welding gas tightness detection device includes: centre gripping subassembly and the sealed bucket of detachable, wherein the centre gripping subassembly is used for the both ends of sealed centre gripping stator inner tube, be equipped with the air cock on the sealed bucket and connect and the observation window, wherein be used for holding the stator inner tube in the sealed bucket, the observation window corresponds with the inner chamber of stator inner tube, when the test, the stator inner tube that the centre gripping subassembly was held is put into the sealed bucket, wherein the inner chamber of stator inner tube is used for the injected water, then connect the cavity input gas of giving between staving and the stator inner tube through the air cock, if the leakage appears in the welding position of stator inner tube, then can produce the bubble, observe the position of bubble through the observation window, can judge the accurate leakage position of stator inner tube, and then improve the detection efficiency of stator inner tube, and also be convenient for follow-up carry out accurate repair to the leakage position.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a cross-sectional view of a device for detecting welding airtightness of an inner tube of a stator according to an embodiment of the present disclosure;
fig. 2 is an isometric view of a stator inner tube welding airtightness detection apparatus according to an embodiment of the present application.
The reference numbers are as follows:
1 is a sealing barrel, 1-1 is a barrel body, 1-2 is an upper cover plate, 1-3 is an air tap joint, 1-4 is an observation window, 1-5 is a fastening bolt, and 1-6 is a second sealing ring;
2 is a clamping component, 2-1 is a lower cover plate, 2-2 is a pull rod, 2-3 is a first sealing ring, and 2-4 is a nut.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and fig. 2, fig. 1 is a cross-sectional view of a device for detecting welding airtightness of an inner tube of a stator according to an embodiment of the present disclosure; fig. 2 is an isometric view of a stator inner tube welding airtightness detection apparatus according to an embodiment of the present application.
The embodiment of the application provides a stator inner tube welding gas tightness detection device includes: the device comprises a clamping component 2 and a detachable sealing barrel 1, wherein the clamping component 2 is used for sealing and clamping two ends of a stator inner barrel, an air nozzle joint 1-3 and an observation window 1-4 are arranged on the sealing barrel 1, the stator inner barrel is accommodated in the sealing barrel 1, the observation window 1-4 corresponds to an inner cavity of the stator inner barrel, when the device is tested, the stator inner barrel clamped by the clamping component 2 is placed in the sealing barrel 1, the inner cavity of the stator inner barrel is used for injecting water, then gas is input into a cavity between the sealing barrel 1 and the stator inner barrel through the air nozzle joint 1-3, if leakage occurs at a welding position of the stator inner barrel, bubbles can be generated, the position of the bubbles is observed through the observation window 1-4, the accurate leakage position of the stator inner barrel can be judged, the detection efficiency of the stator inner barrel is further improved, and accurate repairing of the leakage position is conveniently carried out subsequently.
In some embodiments, as shown in FIG. 2, the sealed barrel 1 comprises a barrel body 1-1 and an upper cover plate 1-2, the barrel body 1-1 is preferably a cylindrical structure, the upper cover plate 1-2 is hermetically connected to one end of the barrel body 1-1, the upper cover plate 1-2 and the barrel body 1-1 can be fixedly connected through a plurality of fastening bolts 1-5 uniformly distributed along the circumferential direction, wherein the upper cover plate 1-2 is provided with an air nozzle connector 1-3 and an observation window 1-4, the observation window 1-4 is preferably arranged in the middle of the upper cover plate 1-2, and the air nozzle connector 1-3 is communicated with the barrel body 1-1 and the chamber of the stator inner barrel.
In some embodiments, the clamping assembly 2 comprises an upper cover plate 1-2, a lower cover plate 2-1 and a pull rod 2-2, wherein two ends of the pull rod 2-2 are respectively connected with the upper cover plate 1-2 and the lower cover plate 2-1 to clamp the stator inner cylinder between the upper cover plate 1-2 and the lower cover plate 2-1, one end of the pull rod 2-2 is in threaded connection with the upper cover plate 1-2, the other end of the pull rod passes through the lower cover plate 2-1, and then the pull rod 2-2 is screwed at the outer end of the lower cover plate 2-1 through a nut 2-4 to lock the stator inner cylinder between the upper cover plate 1-2 and the lower cover plate 2-1. In order to improve the clamping stability of the stator inner barrel, a plurality of pull rods 2-2 which are uniformly distributed are arranged in the circumferential direction of the upper cover plate 1-2 and the lower cover plate 2-1.
In some embodiments, the opposite surfaces of the lower cover plate 2-1 and the upper cover plate 1-2 are respectively provided with a ring groove for accommodating a first sealing ring 2-3, two ends of the stator inner cylinder are respectively abutted against the first sealing ring 2-3, and the connection sealing performance of the stator inner cylinder and the upper cover plate 1-2 and the lower cover plate 2-1 can be improved through the first sealing ring 2-3. In addition, in order to improve the connection sealing performance of the barrel body 1-1 and the upper cover plate 1-2, a second sealing ring 1-6 is arranged between the connecting end surfaces of the barrel body 1-1 and the upper cover plate 1-2.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The stator inner tube welding airtightness detection device provided by the application is described in detail above. The principles and embodiments of the present application are described herein using specific examples, which are only used to help understand the method and its core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims (6)

1. The utility model provides a stator inner tube welding gas tightness detection device which characterized in that includes:
the clamping assembly (2) is used for sealing and clamping two ends of the stator inner cylinder;
the detachable sealing barrel (1) is provided with an air faucet connector (1-3) and an observation window (1-4), the sealing barrel (1) is internally used for accommodating the stator inner barrel, the observation window (1-4) corresponds to the inner cavity of the stator inner barrel, the inner cavity of the stator inner barrel is used for injecting water, and the sealing barrel (1) and a cavity between the stator inner barrels are used for inputting gas through the air faucet connector (1-3).
2. The stator inner barrel welding airtightness detection apparatus according to claim 1, wherein the sealed barrel (1) comprises a barrel body (1-1) and an upper cover plate (1-2), the upper cover plate (1-2) is hermetically connected to one end of the barrel body (1-1), and the upper cover plate (1-2) is provided with the air tap connector (1-3) and the observation window (1-4).
3. The stator inner cylinder welding airtightness detection apparatus according to claim 2, wherein the clamping assembly (2) comprises the upper cover plate (1-2), a lower cover plate (2-1), and a pull rod (2-2), and both ends of the pull rod (2-2) are respectively connected with the upper cover plate (1-2) and the lower cover plate (2-1) to clamp the stator inner cylinder between the upper cover plate (1-2) and the lower cover plate (2-1).
4. The stator inner cylinder welding airtightness detection device according to claim 3, wherein ring grooves for accommodating first sealing rings (2-3) are respectively formed in opposite surfaces of the lower cover plate (2-1) and the upper cover plate (1-2), and two ends of the stator inner cylinder are respectively abutted against the first sealing rings (2-3).
5. The stator inner barrel welding airtightness detection device according to claim 3, wherein a plurality of uniformly distributed tie rods (2-2) are provided in the circumferential direction of the upper cover plate (1-2) and the lower cover plate (2-1).
6. The stator inner barrel welding airtightness detection apparatus according to claim 2, wherein a second seal ring (1-6) is provided between the connection end faces of the barrel body (1-1) and the upper cover plate (1-2).
CN202221554709.2U 2022-06-21 2022-06-21 Stator inner tube welding gas tightness detection device Active CN217637826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221554709.2U CN217637826U (en) 2022-06-21 2022-06-21 Stator inner tube welding gas tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221554709.2U CN217637826U (en) 2022-06-21 2022-06-21 Stator inner tube welding gas tightness detection device

Publications (1)

Publication Number Publication Date
CN217637826U true CN217637826U (en) 2022-10-21

Family

ID=83629329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221554709.2U Active CN217637826U (en) 2022-06-21 2022-06-21 Stator inner tube welding gas tightness detection device

Country Status (1)

Country Link
CN (1) CN217637826U (en)

Similar Documents

Publication Publication Date Title
CN203848989U (en) Detection apparatus
CN112345170B (en) Aeroengine supporting casing airtightness detection clamp and detection method
CN217637826U (en) Stator inner tube welding gas tightness detection device
CN219265883U (en) Sealing structure for testing pressure of inner side surface of hollow pressure piece
CN110966480B (en) Sealing device
CN116358788A (en) Method capable of simultaneously testing air tightness of multiple independent chambers
CN201561892U (en) Pressure block plate for automatically maintaining sealing property
CN115219108A (en) Leakage detection device for generator hydrogen cooler and test method
CN113916647A (en) Rock fracture shearing seepage coupling test device and test method thereof
CN210269152U (en) Withstand voltage testing arrangement of indoor fire hydrant
CN220508613U (en) Radioactive source high-voltage test device
CN214843811U (en) Device for detecting U-shaped heat exchange tube tightness
CN207585850U (en) A kind of refueling nozzle gas trial assembly is put
CN112611645A (en) Groove type pipe fitting pressure testing method
CN114112836B (en) Holder suitable for waterproof material water shutoff performance verifies
CN114659882B (en) Hydraulic test device and hydraulic test method for composite transition joint
CN212871649U (en) Leak detection device for detecting shielding sleeve by positive pressure helium mass spectrometer suction gun technology
CN220154085U (en) Long-term hydrostatic pressure performance test device of glass fiber reinforced plastic pipe
CN220982601U (en) Pressure pipeline gas leakage detection device for special equipment
CN114858337B (en) Nuclear safety capacitive pressure transmitter and manufacturing method thereof
CN218496370U (en) Underwater forced vibration test device for fuel assembly
CN218511959U (en) Air tightness tester for engine gear cover production
CN216051090U (en) Pressure-resistant clamp for plastic pipe
CN220288906U (en) Bellows subassembly pressure test device
CN110806293A (en) Insulator bearing capacity test tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant