CN217380926U

CN217380926U - Sealing detection device for centrifugal pump production

Info

Publication number: CN217380926U
Application number: CN202222035923.3U
Authority: CN
Inventors: 钱颖
Original assignee: Shenyang Hangfa Pump Manufacturing Co ltd
Current assignee: Shenyang Hangfa Pump Manufacturing Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-09-06
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a sealing detection device for centrifugal pump production, which relates to the technical field of centrifugal pump detection and comprises a bottom plate, four corners of the lower end of the bottom plate are provided with support legs, the left side of the bottom plate is provided with a lifting platform, the upper end of the lifting platform is provided with a water tank, a first adjusting frame is arranged at the left part of the upper end of the bottom plate, a first screw rod is rotatably connected between the upper side wall and the lower side wall of the first adjusting frame, a first handle is arranged at the upper end of the first screw rod, a first base frame is connected with the outer side of the first screw rod through threads, be equipped with first cylinder in the first base frame, the output of first cylinder is equipped with first mounting panel, the utility model discloses an use the cylinder to press the tee bend valve pipe to the inlet and the liquid outlet of centrifugal pump body on connect, save bolt and nut's when the installation with demolish connection, can detect the performance of centrifugal pump to centrifugal pump body supply air and water.

Description

Sealing detection device for centrifugal pump production

Technical Field

The utility model relates to a centrifugal pump detects technical field, concretely relates to centrifugal pump production is with sealed detection device.

Background

The centrifugal pump need test after manufacturing finishes to detect the performance of centrifugal pump, and normally once comes the observation working process with the centrifugal pump normal use and whether has the abnormal conditions such as leaking, and the centrifugal pump that is the ring flange to the port needs compress tightly the leakproofness of ring flange assurance interface through bolt and nut, installs and demolish comparatively inconveniently when detecting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal pump production is with sealed detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing detection device for centrifugal pump production comprises a bottom plate, wherein supporting legs are arranged at four corners of the lower end of the bottom plate, a lifting table is arranged on the left side of the bottom plate, a water tank is arranged at the upper end of the lifting table, a first adjusting frame is arranged at the left part of the upper end of the bottom plate, a first lead screw is rotatably connected between the upper side wall and the lower side wall of the first adjusting frame, a first handle is arranged at the upper end of the first lead screw, a first base frame is in threaded connection with the outer side of the first lead screw, a first air cylinder is arranged in the first base frame, a first mounting plate is arranged at the output end of the first air cylinder, a first three-way valve pipe is arranged at the right end of the first mounting plate, a water pipe and a hose are communicated between the front port of the first three-way valve pipe and the water tank, a centrifugal pump body is arranged at the upper end of the bottom plate and on the right side of the first three-way valve pipe, supporting plates are symmetrically arranged at the upper end of the bottom plate and on the front side and the back side of the centrifugal pump body, the upper end of backup pad is equipped with the roof, be equipped with second adjusting frame between the roof, it is connected with the second lead screw to rotate between the lateral wall about the second adjusting frame, the right-hand member of second lead screw is equipped with the second handle, the outside threaded connection of second lead screw has second base frame, be equipped with the second cylinder in the second base frame, the output of second cylinder is equipped with the second mounting panel, the lower extreme of second mounting panel is equipped with second tee valve pipe, the left port of second tee valve pipe with the intercommunication has the backward flow hose between the water tank, the bottom plate upper end just is in first adjusting frame's rear side is equipped with the aspiration pump, the aspiration pump with the intercommunication has the trachea hose between the last port of second tee valve pipe, be equipped with barometer and check valve on the trachea hose.

Compared with the prior art, the beneficial effects of the utility model are that: the three-way valve pipe is pressed to the liquid inlet and the liquid outlet of the centrifugal pump body through the air cylinder to be connected, connection of bolts and nuts during installation and dismantling is omitted, air is filled into the centrifugal pump body through the air pump to increase air pressure to detect the tightness of the centrifugal pump, the working state of the centrifugal pump body is simulated through water supply and water return of the centrifugal pump body through the water tank, the performance of the centrifugal pump is detected, the water tank is driven to move up and down through the lifting platform, the centrifugal pump body can be filled with water before working, and the water in the pipeline flows back to the water tank after the centrifugal pump body is detected.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic top view of the present invention.

In the figure: 1. a base plate; 2. a support leg; 3. a lifting platform; 4. a water tank; 5. a first adjustment frame; 6. a first lead screw; 7. a first handle; 8. a first base frame; 9. a first cylinder; 10. a first mounting plate; 11. a first three-way valve tube; 12. a water hose; 13. a centrifugal pump body; 14. a support plate; 15. a top plate; 16. a second adjusting frame; 17. a second lead screw; 18. a second handle; 19. a second base frame; 20. a second cylinder; 21. a second mounting plate; 22. a second three-way valve tube; 23. a return hose; 24. an air pump; 25. a tracheal tube.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a sealing detection device for centrifugal pump production comprises a bottom plate 1, wherein four corners of the lower end of the bottom plate 1 are respectively provided with a support leg 2, the left side of the bottom plate 1 is provided with a lifting table 3, the upper end of the lifting table 3 is provided with a water tank 4, the four support legs 2 are fixed on the bottom plate 1, the supporting bottom plate 1 improves the height of the bottom plate 1, the lifting table 3 is placed on the left side of the bottom plate 1, the lifting table 3 adopts the prior art and is connected with external supply equipment and control equipment to adjust the height of a table top, the water tank 4 is fixed on the table top of the lifting table 3, the lifting table 3 can adjust the height of the water tank 4 relative to the bottom plate 1, the water tank 4 is communicated with external air to avoid generating air pressure difference, the left part of the upper end of the bottom plate 1 is provided with a first adjusting frame 5, a first screw rod 6 is rotatably connected between the upper side wall and the lower side wall of the first adjusting frame 5, the upper end of the first screw rod 6 is provided with a first handle 7, the outer side of the first screw rod 6 is in threaded connection with a first base frame 8, a first air cylinder 9 is arranged in the first base frame 8, the first adjusting frame 5 is fixed on the bottom plate 1, a round hole for accommodating the first screw rod 6 is formed in the first adjusting frame 5, two ends of the first screw rod 6 extend into the first adjusting frame 5 and can rotate in the first adjusting frame 5, a first handle 7 is fixed on the first screw rod 6 so as to rotate the first screw rod 6, an inner threaded hole matched with the first screw rod 6 is formed in a relatively thick frame at one side of the first base frame 8, the front surface and the rear surface of the first base frame 8 are in contact with the first adjusting frame 5, so that the first base frame 8 is prevented from rotating in the first adjusting frame 5, the first base frame 8 can be driven to move up and down by rotating the first screw rod 6, the output end of the first air cylinder 9 is fixed in the first base frame 8 and faces right, the first base frame 8 is provided with a through hole for the output end of the first cylinder 9 to pass through, the cylinder is connected with external supply equipment and control equipment, the output end of the first cylinder 9 is provided with a first mounting plate 10, the right end of the first mounting plate 10 is provided with a first three-way valve pipe 11, the first mounting plate 10 is fixed on the output end of the first cylinder 9, the first three-way valve pipe 11 is fixed on the first mounting plate 10, the port of the first three-way valve pipe 11 is provided with a flange, the first mounting plate 10 is provided with a corresponding round hole, the first three-way valve pipe 11 is fixed on the first mounting plate 10 in a sealing way, the three ports of the first three-way valve pipe 11 face to the left and right front directions, the left port is used for being connected with the first mounting plate 10 and not communicated, the first three-way valve pipe 11 can adjust the communication between the left and right ports or the front and right ports, a water hose 12 is communicated between the front port of the first three-way valve pipe 11 and the water tank 4, a joint communicated with a water pipe hose 12 is formed at the lower part of the front side wall of the water tank 4, when the water level in the water tank 4 is higher than the first three-way valve pipe 11, the water in the water tank 4 can flow into the first three-way valve pipe 11 through the water pipe hose 12, when the water level in the water tank 4 is lower than the first three-way valve pipe 11, the water in the first three-way valve pipe 11 can flow into the water tank 4, three ports of the first three-way valve pipe 11 are all provided with sealing rings to ensure the sealing performance of connection with other pipelines, a centrifugal pump body 13 is arranged at the upper end of the bottom plate 1 and at the right side of the first three-way valve pipe 11, the centrifugal pump body 13 is a centrifugal pump to be detected, a through hole for installing the centrifugal pump body 13 is formed in the bottom plate 1, the centrifugal pump body 13 is limited on the bottom plate 1 through bolts, nuts are not needed, the centrifugal pump is limited to move left and right on the bottom plate 1, supporting plates 14 are symmetrically arranged at the upper end of the bottom plate 1 and at the front and the back sides of the centrifugal pump body 13, the upper end of the supporting plate 14 is provided with a top plate 15, a second adjusting frame 16 is arranged between the top plates 15, a second lead screw 17 is rotatably connected between the left side wall and the right side wall of the second adjusting frame 16, a second handle 18 is arranged at the right end of the second lead screw 17, a second base frame 19 is in threaded connection with the outer side of the second lead screw 17, a second air cylinder 20 is arranged in the second base frame 19, a second mounting plate 21 is arranged at the output end of the second air cylinder 20, a second three-way valve pipe 22 is arranged at the lower end of the second mounting plate 21, the supporting plate 14 is fixed on the bottom plate 1, the top plate 15 is fixed on the supporting plate 14, the second adjusting frame 16 is fixed between the top plates 15, and the structures and the matching relations of the second adjusting frame 16, the second lead screw 17, the second handle 18, the second base frame 19, the second air cylinder 20, the second mounting plate 21 and the second three-way valve pipe 22 and the first adjusting frame 5, The structure and the matching relation of a first screw rod 6, a first handle 7, a first base frame 8, a first air cylinder 9, a first mounting plate 10 and a first three-way valve pipe 11 are the same but are different in orientation, a backflow hose 23 is communicated between the left port of a second three-way valve pipe 22 and the water tank 4, three ports of the second three-way valve pipe 22 face upwards, downwards and leftwards, a joint connected with the backflow hose 23 is formed on the upper side wall of the water tank 4, the lower left port or the upper and lower two ports can be adjusted to be communicated by the second three-way valve pipe 22, the water inlet and the water outlet of most of centrifugal pumps are usually positioned on a central axis, the two three-way valve pipes are adjusted to correspond to the water inlet and the water outlet of the centrifugal pump by rotating the screw rod, the output end of the air cylinder extends out to enable the three-way valve pipe to be pressed to the port of the centrifugal pump, sealing is kept through a sealing ring on the three-way valve pipes, flange connection is not needed, the centrifugal pump is characterized in that an air suction pump 24 is arranged at the upper end of the bottom plate 1 and at the rear side of the first adjusting frame 5, an air hose 25 is communicated between the air suction pump 24 and the upper end opening of the second three-way valve pipe 22, an air pressure gauge and a one-way valve are arranged on the air hose 25, the air suction pump 24 is fixed on the bottom plate 1 and is connected with external power supply equipment and control equipment, the air hose 25 is connected between the air suction pump 24 and the upper end opening of the second three-way valve pipe 22, the centrifugal pump main body can be pressurized through the air suction pump 24, the air pressure in the centrifugal pump body 13 is maintained through one-way pressurization of the one-way valve, if the sealing performance of the centrifugal pump is insufficient, the air pressure in the centrifugal pump can be reduced, and the air pressure is monitored through the air pressure gauge.

The working principle is as follows: limiting a centrifugal pump body 13 to be detected to the center of a bottom plate 1, rotating a handle to drive a screw rod to rotate and adjust the positions of a base frame and an air cylinder, enabling a three-way valve pipe on the air cylinder to correspond to a water inlet and a water outlet of the centrifugal pump body 13, then extending out an output end of the air cylinder, pressing the three-way valve pipe to the water inlet and the water outlet of the centrifugal pump body 13, ensuring the sealing performance of an interface through a sealing ring on the three-way valve pipe, adjusting a valve on the three-way valve pipe, disconnecting a water pipe hose 12 and a backflow hose 23 from the three-way valve pipe, pumping air into the centrifugal pump body 13 through an air pump 24 to pressurize the air pressure to a certain degree, monitoring the air pressure through an air pressure gauge, if the air pressure is reduced, indicating that the sealing performance of the centrifugal pump body 13 is insufficient, after the sealing performance test is finished, adjusting a valve on the three-way valve pipe, connecting the water pipe hose 12 and the backflow hose 23 with the three-way valve pipe, the centrifugal pump body 13 is decompressed, enough water is added into the water tank 4 in advance, the water tank 4 is lifted by the lifting platform 3, the water level in the water tank 4 is higher than that of the centrifugal pump body 13, the water in the water tank 4 flows into and fills the centrifugal pump body 13 through the water pipe hose 12 and the first three-way valve pipe 11, then the centrifugal pump body 13 is started, the centrifugal pump body 13 returns water to the water tank 4 through the second three-way valve pipe 22 and the return hose 23, simulating the working state of the centrifugal pump body 13, observing whether the centrifugal pump body 13 works normally, closing the centrifugal pump body 13 after the test is finished, the height of the water tank 4 is reduced through the lifting platform 3, so that the water in the first three-way valve pipe 11 and the water pipe hose 12 flows into the water tank 4 along the force, the auxiliary discharge water flow can be pressurized by the air pump 24, then the output end of the air cylinder is retracted, and the centrifugal pump body 13 is detached to complete detection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centrifugal pump production is with sealed detection device, includes bottom plate (1), its characterized in that: the lower end four corners of the bottom plate (1) are provided with support legs (2), the left side of the bottom plate (1) is provided with a lifting platform (3), the upper end of the lifting platform (3) is provided with a water tank (4), the upper left part of the bottom plate (1) is provided with a first adjusting frame (5), a first lead screw (6) is rotatably connected between the upper side wall and the lower side wall of the first adjusting frame (5), the upper end of the first lead screw (6) is provided with a first handle (7), the outer side of the first lead screw (6) is in threaded connection with a first base frame (8), a first air cylinder (9) is arranged in the first base frame (8), the output end of the first air cylinder (9) is provided with a first mounting plate (10), the right end of the first mounting plate (10) is provided with a first three-way valve pipe (11), a water pipe hose (12) is communicated between the front port of the first three-way valve pipe (11) and the water tank (4), the centrifugal pump is characterized in that a centrifugal pump body (13) is arranged at the upper end of the bottom plate (1) and on the right side of the first three-way valve pipe (11), supporting plates (14) are symmetrically arranged at the front side and the rear side of the centrifugal pump body (13) at the upper end of each supporting plate (14), a top plate (15) is arranged at the upper end of each supporting plate (14), a second adjusting frame (16) is arranged between the top plates (15), a second lead screw (17) is rotatably connected between the left side wall and the right side wall of the second adjusting frame (16), a second handle (18) is arranged at the right end of the second lead screw (17), a second base frame (19) is in threaded connection with the outer side of the second lead screw (17), a second air cylinder (20) is arranged in the second base frame (19), a second mounting plate (21) is arranged at the output end of the second air cylinder (20), and a second three-way valve pipe (22) is arranged at the lower end of the second mounting plate (21), a backflow hose (23) is communicated between the left port of the second three-way valve pipe (22) and the water tank (4), an air suction pump (24) is arranged at the upper end of the bottom plate (1) and on the rear side of the first adjusting frame (5), an air hose (25) is communicated between the air suction pump (24) and the upper port of the second three-way valve pipe (22), and an air pressure gauge and a one-way valve are arranged on the air hose (25).