CN218066926U - Submersible pump motor front cover air tightness testing device - Google Patents
Submersible pump motor front cover air tightness testing device Download PDFInfo
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- CN218066926U CN218066926U CN202221575673.6U CN202221575673U CN218066926U CN 218066926 U CN218066926 U CN 218066926U CN 202221575673 U CN202221575673 U CN 202221575673U CN 218066926 U CN218066926 U CN 218066926U
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- front cover
- test seat
- submersible pump
- pump motor
- test
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Abstract
The utility model discloses a immersible pump motor front cover gas tightness testing arrangement, comprising a base plate be equipped with on the bottom plate with motor front cover complex test seat, the test seat is connected with conveying gas's pipeline, the bottom plate top is equipped with the portal frame be equipped with the cylinder on the portal frame, the epaxial ability that is equipped with of cylinder is in motor front cover pressfitting pressure head on the test seat. The utility model discloses when the test, put the motor protecgulum on the test seat through the manual work, then drive the pressure head through starting the cylinder and make both closely laminate downwards with motor protecgulum pressfitting on the test seat. And then, compressed air is conveyed to the pipeline by opening an external air compressor, and the tightness of the end cover is judged according to the leakage condition of the air.
Description
Technical Field
The utility model relates to a immersible pump motor front cover gas tightness testing arrangement.
Background
At present, the front end cover of the submersible pump motor is generally formed by pressing die-casting alloy. Due to the casting process or the uneven wall thickness of the casting, the workpiece is easy to have sand holes, and the water pump is easy to leak. Meanwhile, the front side part of the front end cover of the motor is in contact with liquid conveyed by the submersible pump, the inner side part of the front end cover is connected with other parts of the motor and is not in contact with the liquid, the water pressure test of the front end cover is not lower than 0.2MP pressure according to the requirements of relevant national standards, and no leakage phenomenon exists after 3 min.
As shown in fig. 4, in the conventional motor front cover 30, during the air tightness test, the motor front cover 30 to be tested is screwed to a test seat 40 by screws 920, and the motor front cover 30 is loosened and taken out from the test seat 40 by a tool after the compressed air test, so that the detection work efficiency is low, and the labor intensity of the staff for testing is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a immersible pump motor front cover gas tightness testing arrangement.
The submersible pump motor front cover air tightness testing device comprises a bottom plate, wherein a testing seat matched with the motor front cover is arranged on the bottom plate, the testing seat is connected with a pipeline for conveying gas, a portal frame is arranged above the bottom plate, an air cylinder is arranged on the portal frame, and a pressure head capable of pressing the motor front cover on the testing seat is arranged on an air cylinder shaft of the air cylinder.
Preferably, a circular groove with an opening at the upper end is arranged in the test seat, a first annular step which is recessed downwards is arranged at the upper part of the circular groove, a first sealing ring is arranged on the first annular step, a convex column which is coaxial with the circular groove is arranged on the inner bottom surface of the circular groove, an upwards extending positioning column is arranged on the upper end surface of the convex column, a second annular step is formed on the upper end surface of the convex column at the outer side of the positioning column, and a second sealing ring is arranged on the second annular step.
Preferably, an elastic piece is arranged in the circular groove.
Preferably, the elastic element is a spring, the elastic element is sleeved on the convex column, the lower end face of the elastic element is attached to the bottom face of the circular groove, and the upper end face of the elastic element is attached to the lower end face of the test seat.
Preferably, the side wall of the test seat is provided with a communicating hole communicated with the inside of the circular groove, the communicating hole is provided with a connector, and the pipeline is connected with the connector.
Preferably, a pressure gauge and a switch are further installed on the pipeline.
The utility model has the advantages of simple and reasonable structure, efficiency of software testing efficient, compare with current technique, including the bottom plate be equipped with on the bottom plate with motor protecgulum complex test seat, the test seat is connected with conveying gas's pipeline, the bottom plate top is equipped with the portal be equipped with the cylinder on the portal, the epaxial ability that is equipped with of cylinder is in motor protecgulum pressfitting pressure head on the test seat. The utility model discloses when the test, put the motor protecgulum on the test seat through the manual work, then drive the pressure head through starting the cylinder and downwards with motor protecgulum pressfitting on the test seat, make both closely laminate. And then, compressed air is conveyed to the pipeline by opening an external air compressor, and the tightness of the end cover is judged according to the leakage condition of the air.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the test socket of the present invention;
FIG. 3 is a schematic cross-sectional view of a front cover of the motor;
fig. 4 is a schematic structural diagram of a conventional testing apparatus.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-3, the submersible pump motor front cover air tightness testing device comprises a bottom plate 10, a testing seat 40 matched with a motor front cover 30 is arranged on the bottom plate 10, the testing seat 40 is connected with a pipeline 50 for conveying gas, a portal frame 110 is arranged above the bottom plate 10, an air cylinder 120 is arranged on the portal frame 110, and a pressure head 20 capable of pressing the motor front cover 30 on the testing seat 40 is arranged on an air cylinder shaft of the air cylinder 120.
The utility model discloses when the test, put the motor protecgulum on the test seat through the manual work, then drive the pressure head through starting the cylinder and downwards with motor protecgulum pressfitting on the test seat, make both closely laminate. And then, the compressed air is conveyed to the pipeline by opening an external air compressor, and the sealing performance of the end cover is judged according to the leakage condition of the air.
Referring to fig. 2, a circular groove 400 with an open upper end is provided in the test socket 40, a first annular step 430 that is recessed downward is provided at an upper portion of the circular groove 400, a first seal ring 70 is provided on the first annular step 430, a boss 420 that is coaxial with the circular groove 400 is provided on an inner bottom surface of the circular groove 400, a positioning pillar 450 that extends upward is provided on an upper end surface of the boss 420, a second annular step 440 is formed on an upper end surface of the boss 420 outside the positioning pillar 450, and a second seal ring 80 is provided on the second annular step 440.
Referring to fig. 3, a shaft hole 330 through which a motor shaft penetrates is formed in the motor front cover 30, a first extension ring 320 and a second extension ring 310 are respectively arranged inside and outside the lower end surface of the motor front cover 30, the lower end surface of the first extension ring 320 is attached to the second seal ring 80, and the second extension ring 310 is attached to the first seal ring 70 to form a seal.
Referring to fig. 2, locator post 450 can be inserted into hole 330 to achieve quick positioning and assembly.
Referring to fig. 1 and 2, the circular groove 400 is provided with an elastic member 60 therein. The elastic member 60 is a spring, the elastic member 60 is sleeved on the convex pillar 420, the lower end face of the elastic member is attached to the bottom surface of the circular groove 400, and the upper end face of the elastic member is attached to the lower end face of the test socket 40.
The elastic member 60 is used for allowing the motor front cover 30 to be bounced upwards under the action of the elastic member 60 when the cylinder is lifted upwards after the test is finished, so that a tester can take out the motor front cover 30 conveniently.
Referring to fig. 2, a communication hole 410 communicated with the inside of the circular groove 400 is formed in the side wall of the test socket 40, a connector 500 is installed in the communication hole 410, and the pipeline 50 is connected to the connector 500.
Referring to fig. 1, the pipe 50 is further provided with a pressure gauge 520 and a switch 510.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of technical features indicated.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a immersible pump motor protecgulum gas tightness testing arrangement, includes bottom plate (10) be equipped with on bottom plate (10) with motor protecgulum (30) complex test seat (40), test seat (40) are connected with pipeline (50) of conveying gas, its characterized in that: a portal frame (110) is arranged above the bottom plate (10), an air cylinder (120) is arranged on the portal frame (110), and a pressure head (20) capable of pressing a motor front cover (30) on the test base (40) is arranged on an air cylinder shaft of the air cylinder (120).
2. The airtightness testing device for the front cover of the submersible pump motor according to claim 1, wherein: be equipped with upper end open-ended circular slot (400) in test seat (40), the upper portion of circular slot (400) is equipped with undercut's first ring type step (430) be equipped with first sealing washer (70) on first ring type step (430) be equipped with on the interior bottom surface of circular slot (400) with circular slot (400) each other is for projection (420) of coaxial setting, be equipped with reference column (450) that upwards extends on the up end of projection (420) be formed with second ring type step (440) on projection (420) the up end in reference column (450) outside be equipped with second sealing washer (80) on second ring type step (440).
3. The airtightness testing device for the front cover of the submersible pump motor according to claim 2, wherein: an elastic piece (60) is arranged in the circular groove (400).
4. The airtightness testing device for the front cover of the submersible pump motor according to claim 3, wherein: the elastic piece (60) is a spring, the convex column (420) is sleeved with the elastic piece (60), the lower end face of the convex column is attached to the bottom face of the circular groove (400), and the upper end face of the elastic piece is attached to the lower end face of the test seat (40).
5. The device for testing the airtightness of the front cover of the motor for a submersible pump according to any one of claims 2 to 4, wherein: be equipped with on the lateral wall of test seat (40) with intercommunicating pore (410) of inside intercommunication of circular slot (400), connector (500) are installed to intercommunicating pore (410), pipeline (50) with connector (500) are connected.
6. The airtightness testing device for the front cover of the submersible pump motor according to claim 5, wherein: the pipeline (50) is also provided with a pressure gauge (520) and a switch (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221575673.6U CN218066926U (en) | 2022-06-22 | 2022-06-22 | Submersible pump motor front cover air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221575673.6U CN218066926U (en) | 2022-06-22 | 2022-06-22 | Submersible pump motor front cover air tightness testing device |
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| Publication Number | Publication Date |
|---|---|
| CN218066926U true CN218066926U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221575673.6U Active CN218066926U (en) | 2022-06-22 | 2022-06-22 | Submersible pump motor front cover air tightness testing device |
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| CN (1) | CN218066926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818202A (en) * | 2023-08-31 | 2023-09-29 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
-
2022
- 2022-06-22 CN CN202221575673.6U patent/CN218066926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818202A (en) * | 2023-08-31 | 2023-09-29 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
| CN116818202B (en) * | 2023-08-31 | 2023-12-05 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
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