CN215448778U

CN215448778U - Casing pressure resistance testing device of centrifugal pump

Info

Publication number: CN215448778U
Application number: CN202121214861.1U
Authority: CN
Inventors: 王京刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-07
Anticipated expiration: 2031-06-01

Abstract

The utility model provides a casing withstand voltage testing arrangement of centrifugal pump, including the diaphragm, the fixed slot has been seted up at the top of diaphragm, the first rubber pad of fixedly connected with between the bottom of fixed slot inner wall and both sides to the inside joint of fixed slot has the base, the top fixedly connected with centrifugal pump main part of base, the top of diaphragm and the equal fixedly connected with fixed plate in both sides that is located the fixed slot, and the top fixedly connected with steadying plate of two fixed plates, the bottom fixedly connected with elastic component of steadying plate, and the bottom fixedly connected with pressure strip of elastic component. The utility model can play a good role in limiting and fixing the centrifugal pump in the pressure resistance test process of the centrifugal pump shell, thereby greatly increasing the stability in the test process of the centrifugal pump shell, bringing great convenience to the detection of workers, better and faster ensuring the pressure resistance test of the centrifugal pump shell, and being capable of intensively collecting water in the pressure resistance test process and playing a good role in saving water resources.

Description

Casing pressure resistance testing device of centrifugal pump

Technical Field

The utility model relates to the field of pressure testing of centrifugal pump shells, in particular to a pressure resistance testing device for a shell of a centrifugal pump.

Background

The centrifugal pump is a pump for conveying liquid by centrifugal force generated when an impeller rotates, and has various forms such as vertical type, horizontal type, single stage, multi-stage, single suction, double suction, self suction, etc., the vertical type centrifugal pump is called as a submerged pump for short, and a molten salt submerged pump, and the centrifugal pump has various forms such as vertical type, horizontal type, single stage, multi-stage, single suction, double suction, self suction, etc., and works by making water generate centrifugal motion by the rotation of the impeller.

The use of centrifugal pump is comparatively general, it is having the application in a plurality of fields, the centrifugal pump casing need carry out withstand voltage test in process of production, it is difficult to play fine spacing fixed action to the centrifugal pump in centrifugal pump casing withstand voltage test process now, thereby great reduction the stability in the centrifugal pump casing test process, the detection of giving the staff has brought very big inconvenience, be difficult to going on of the withstand voltage test of better faster assurance centrifugal pump casing, and be difficult to concentrate the collection to the water in the withstand voltage test process, cause the waste of water resource easily.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides a casing pressure resistance testing device of a centrifugal pump, which can play a good role in limiting and fixing the centrifugal pump in the pressure resistance testing process of the casing of the centrifugal pump and can collect water in a centralized manner in the pressure resistance testing process.

(II) technical scheme

The utility model provides a casing pressure resistance testing device of a centrifugal pump, which comprises a transverse plate, wherein a fixing groove is formed in the top of the transverse plate, a first rubber pad is fixedly connected between the bottom and two sides of the inner wall of the fixing groove, a base is clamped inside the fixing groove, a centrifugal pump main body is fixedly connected to the top of the base, fixing plates are fixedly connected to the top of the transverse plate and two sides of the fixing groove, stabilizing plates are fixedly connected to the tops of the two fixing plates, an elastic piece is fixedly connected to the bottom of each stabilizing plate, a pressing plate is fixedly connected to the bottom end of each elastic piece, and a second rubber pad is fixedly connected to the bottom of each pressing plate.

Preferably, the number of the elastic pieces is several, and the bottom of the pressing plate is in contact with the top of the centrifugal pump body.

Preferably, still including fixed case, one side fixedly connected with water pump of fixed incasement wall bottom, the delivery port intercommunication of water pump has first violently pipe, and the one end that the water pump was kept away from to first violently pipe runs through fixed case and extends to the outside of fixed case.

Preferably, a partition plate is fixedly connected between two sides of the inner wall of the fixed box.

Preferably, one side of the fixed box and the top of the partition plate are communicated with a second transverse pipe, and a valve is fixedly connected inside the second transverse pipe.

Preferably, the top of the fixed box is in an unclosed arrangement.

Preferably, the two sides of the inner wall of the fixed box are fixedly connected with connecting rods, and the opposite ends of the two connecting rods are fixedly connected with the two sides of the transverse plate respectively.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: according to the centrifugal pump shell pressure resistance testing device, the transverse plate, the fixing groove, the first rubber pad, the base, the centrifugal pump body, the fixing plate, the stabilizing plate, the elastic piece, the pressing plate, the second rubber pad, the fixing box, the water pump, the first transverse pipe, the partition plate, the second transverse pipe, the valve and the connecting rod are arranged, the centrifugal pump can be well limited and fixed in the centrifugal pump shell pressure resistance testing process, so that the stability of the centrifugal pump shell in the testing process is greatly improved, great convenience is brought to detection of workers, the pressure resistance testing of the centrifugal pump shell is better and faster guaranteed, water in the pressure resistance testing process can be collected in a centralized mode, and a good water resource saving effect is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a casing pressure resistance testing device of a centrifugal pump according to the present invention.

Fig. 2 is a cross plate structure sectional view of a casing pressure resistance testing device of a centrifugal pump provided by the utility model.

Fig. 3 is a sectional view of a structure of a fixed box of a casing pressure resistance testing device of a centrifugal pump according to the present invention.

Reference numerals: 1. a transverse plate; 2. fixing grooves; 3. a first rubber pad; 4. a base; 5. a centrifugal pump body; 6. a fixing plate; 7. a stabilizing plate; 8. an elastic member; 9. a compression plate; 10. a second rubber pad; 11. a fixed box; 12. a water pump; 13. a first cross tube; 14. a partition plate; 15. a second cross tube; 16. a valve; 17. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the casing pressure resistance testing device of the centrifugal pump provided by the utility model comprises a transverse plate 1, a fixing groove 2 is formed in the top of the transverse plate 1, a first rubber pad 3 is fixedly connected between the bottom and two sides of the inner wall of the fixing groove 2, a base 4 is clamped inside the fixing groove 2, a centrifugal pump main body 5 is fixedly connected to the top of the base 4, fixing plates 6 are fixedly connected to the top of the transverse plate 1 and two sides of the fixing groove 2, stabilizing plates 7 are fixedly connected to the tops of the two fixing plates 6, elastic pieces 8 are fixedly connected to the bottoms of the stabilizing plates 7, a pressing plate 9 is fixedly connected to the bottom ends of the elastic pieces 8, and a second rubber pad 10 is fixedly connected to the bottom of the pressing plate 9.

According to the utility model, the pressing plate 9 is pulled upwards to extrude the elastic part 8, the base 4 at the bottom of the centrifugal pump main body 5 is placed into the fixed groove 2, the fixed groove 2 and the first rubber pad 3 are used for limiting and fixing, the pressing plate 9 is loosened, the pressing plate 9 and the second rubber pad 10 are in contact with the centrifugal pump main body 5 under the elastic action of the elastic part 8, so that further limiting and fixing are carried out, the pressure sensor is arranged in the centrifugal pump main body 5, the model of the pressure sensor is PTG501, the first transverse pipe 13 is communicated with the centrifugal pump main body 5, the water pump 12 is started, the water pump 12 pumps water in the fixed box 11 into the centrifugal pump main body 5 so as to carry out a pressure resistance test, and when the water pressure exceeds the pressure resistance of the centrifugal pump and leaks, leaked water flows into the fixed box 11 from the top of the fixed box 11 and is collected above the partition plate 14 in the fixed box 11 in a centralized manner.

In an alternative embodiment, the number of the elastic members 8 is several, and the bottom of the pressing plate 9 is in contact with the top of the centrifugal pump body 5.

It should be noted that the number of the elastic members 8 is several, so that the elastic force can be increased, and the centrifugal pump can be better limited and fixed.

In an optional embodiment, the centrifugal pump further comprises a fixed box 11, water is filled below a partition plate 14 inside the fixed box 11 and used for injecting the centrifugal pump to perform a pressure resistance test, a pipeline used for supplying water to the inside of the fixed box 11 is communicated with the back of the fixed box 11, a water pump 12 is fixedly connected to one side of the bottom of the inner wall of the fixed box 11, a water outlet of the water pump 12 is communicated with a first transverse pipe 13, and one end, away from the water pump 12, of the first transverse pipe 13 penetrates through the fixed box 11 and extends to the outside of the fixed box 11.

The water pump 12 is connected to an external power source through a connection line, and is controlled to be turned on and off by a power switch provided on the back surface of the stationary box 11.

In an alternative embodiment, a partition 14 is fixedly connected between both sides of the inner wall of the stationary box 11.

By providing the partition 14, water leaking in the pressure resistance test can be collected above the partition 14 inside the fixed box 11.

In an alternative embodiment, a second transverse pipe 15 is connected to one side of the fixed box 11 and located at the top of the partition 14, and a valve 16 is fixedly connected to the inside of the second transverse pipe 15.

The opening and closing of the second cross pipe 15 is controlled by a valve 16, and the water collected in the fixed tank 11 can be discharged through the second cross pipe 15.

In an alternative embodiment, the top of the stationary box 11 is not closed.

It should be noted that the top of the fixed box 11 is not closed, so that the water leaking from the pressure resistance test can better flow into the fixed box 11.

In an alternative embodiment, the connecting rods 17 are fixedly connected to both sides of the inner wall of the fixed box 11, through the arrangement of the transverse plate 1, the fixed groove 2, the first rubber pad 3, the base 4, the centrifugal pump main body 5, the fixed plate 6, the stable plate 7, the elastic piece 8, the pressing plate 9, the second rubber pad 10, the fixed box 11, the water pump 12, the first horizontal pipe 13, the partition plate 14, the second horizontal pipe 15, the valve 16 and the connecting rod 17, the centrifugal pump can be well limited and fixed in the pressure resistance test process of the centrifugal pump shell, thereby greatly increasing the stability of the centrifugal pump shell in the test process, bringing great convenience to the detection of workers, better and more quickly ensuring the pressure resistance test of the centrifugal pump shell, and can concentrate the collection to the water among the withstand voltage test process, play fine water economy resource's effect to the relative one end of two connecting rods 17 respectively with diaphragm 1's both sides fixed connection.

It should be noted that the transverse plate 1 and the fixed box 11 can be well connected through the connecting rod 17, so that the centralized collection of water is facilitated.

In summary, according to the centrifugal pump casing pressure resistance testing device, the transverse plate 1, the fixing groove 2, the first rubber pad 3, the base 4, the centrifugal pump main body 5, the fixing plate 6, the stabilizing plate 7, the elastic piece 8, the pressing plate 9, the second rubber pad 10, the fixing box 11, the water pump 12, the first horizontal pipe 13, the partition plate 14, the second horizontal pipe 15, the valve 16 and the connecting rod 17 are arranged, so that the centrifugal pump can be well limited and fixed in the centrifugal pump casing pressure resistance testing process, the stability of the centrifugal pump casing in the testing process is greatly improved, great convenience is brought to detection of workers, the centrifugal pump casing pressure resistance testing can be better and faster guaranteed, water in the pressure resistance testing process can be intensively collected, and a good water resource saving effect is achieved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a casing withstand voltage testing arrangement of centrifugal pump, a serial communication port, including diaphragm (1), fixed slot (2) have been seted up at the top of diaphragm (1), first rubber pad of fixedly connected with (3) between the bottom of fixed slot (2) inner wall and both sides, and the inside joint of fixed slot (2) has base (4), the top fixedly connected with centrifugal pump main part (5) of base (4), the top of diaphragm (1) and the equal fixedly connected with fixed plate (6) in both sides that are located fixed slot (2), and the top fixedly connected with steadying plate (7) of two fixed plates (6), the bottom fixedly connected with elastic component (8) of steadying plate (7), and the bottom fixedly connected with pressure strip (9) of elastic component (8), the bottom fixedly connected with second rubber pad (10) of pressure strip (9).

2. The casing pressure resistance test device of a centrifugal pump according to claim 1, wherein the number of the elastic members (8) is several, and the bottom of the pressure plate (9) is in contact with the top of the centrifugal pump main body (5).

3. The casing withstand voltage testing device of centrifugal pump of claim 1, characterized by further comprising a fixed box (11), a water pump (12) is fixedly connected to one side of the bottom of the inner wall of the fixed box (11), a water outlet of the water pump (12) is communicated with a first horizontal pipe (13), and one end, away from the water pump (12), of the first horizontal pipe (13) penetrates through the fixed box (11) and extends to the outside of the fixed box (11).

4. A casing pressure resistance test device of a centrifugal pump according to claim 3, characterized in that a partition plate (14) is fixedly connected between both sides of the inner wall of the stationary box (11).

5. The casing pressure withstanding test device of a centrifugal pump is characterized in that a second transverse pipe (15) is communicated with one side of the fixed box (11) and is positioned at the top of the partition plate (14), and a valve (16) is fixedly connected inside the second transverse pipe (15).

6. A casing pressure resistance testing device of a centrifugal pump according to claim 3, characterized in that the top of the fixing case (11) is provided in an unclosed manner.

7. The casing pressure resistance testing device of the centrifugal pump as claimed in claim 3, wherein the two sides of the inner wall of the fixed box (11) are fixedly connected with the connecting rods (17), and the opposite ends of the two connecting rods (17) are fixedly connected with the two sides of the transverse plate (1) respectively.