Water pump air tightness detection device

Abstract

The utility model provides a water pump air tightness detection device, belongs to the field of water pump detection, and solves the problems that a water pump is inconvenient to replace and different water pumps cannot be detected when the air tightness of the water pump is detected by the device. The water pump is provided with a water inlet and a water outlet; the mounting table is provided with a sliding groove; a sliding block is arranged in the sliding groove; the sliding block is provided with a connecting part; the installation table is provided with a lifting table, the lifting table is provided with a telescopic air cylinder, the telescopic air cylinder is provided with a fixing plate, and the fixing plate is provided with an air conveying pipe and a sealing ring. The water pump detection device has the advantages that the clamping strips, the telescopic air cylinder ascending and descending along with the lifting table, the replaceable sealing ring and the sealing cover are arranged, different water pumps can be conveniently detected, and the water pumps can be conveniently replaced.

Description

Technical Field

[0001] The utility model belongs to the field of water pump detection, in particular to a water pump air tightness detection device. Background Art

[0002] A water pump is a device used to transport liquids or increase the pressure of liquids. It transfers the mechanical energy of the prime mover to the liquid, increases the energy of the liquid, and achieves the purpose of transporting the liquid. In order to ensure that the produced water pump can achieve the above functions, the water pump needs to be tested for air tightness.

[0003] When using an existing water pump air tightness detection device to detect the air tightness of a water pump, a worker needs to manually connect the device to the flange of the water pump body before the air tightness detection can be performed. However, this method not only consumes the worker's physical strength and time, but also reduces the detection efficiency. At the same time, a water pump air tightness detection device can only detect water pumps of one size. If other water pumps need to be detected, other detection devices are required. Utility Model Content

[0004] The purpose of the utility model is to address the above-mentioned problems existing in the prior art and to provide a water pump air tightness detection device which is convenient for placing the water pump to be detected and is suitable for detecting water pumps of different specifications.

[0005] The utility model can be implemented through the following technical solutions: A water pump air tightness detection device comprises a mounting platform and a water pump, the water pump is provided with a water inlet and a water outlet, the mounting platform is provided with a slide, a slider is installed in the slide, a connecting part is provided under the slider, the connecting part is connected to a screw rod, a detection frame is provided next to the slide, a hydraulic cylinder is installed on the detection frame, a telescopic rod is installed at the output end of the hydraulic cylinder, a detection tube is fixedly connected to the telescopic rod, an air inlet pipe is installed on the detection tube, a sealing cover is installed outside the air inlet pipe, the air inlet pipe extends into the water outlet, a lifting platform is provided on the mounting platform, a threaded rod is connected under the lifting platform, a telescopic cylinder is installed on the lifting platform, a fixing plate is installed at the output end of the telescopic cylinder, an air supply pipe is provided on the fixing plate, and a sealing ring is installed outside the air supply pipe.

[0006] In the above-mentioned water pump air tightness detection device, an air pressure detector is provided on the side of the detection tube.

[0007] In the above-mentioned water pump air tightness detection device, an installation groove is opened in the slider, a bidirectional threaded rod is arranged in the installation groove, a moving block is installed on the bidirectional threaded rod, a clamping bar is arranged on the moving block, and a clamping cylinder is arranged on the clamping bar.

[0008] In the above-mentioned water pump air tightness detection device, a limit rod is provided in the clamping bar, a limit plate is provided on the limit rod, a compression spring is provided between the limit plate and the clamping bar, and a corresponding limit hole is provided on the slider.

[0009] In the above-mentioned water pump air tightness detection device, an electromagnet is provided in the clamping bar.

[0010] In the above-mentioned water pump air tightness detection device, a sealing gasket is provided outside the sealing ring, a clamping block is installed inside the sealing ring, a reset spring is provided between the clamping block and the sealing ring, a sliding groove is provided on the outer surface of the air supply pipe, and a corresponding clamping hole is provided at the end of the sliding groove.

[0011] In the above-mentioned water pump air tightness detection device, a fixing block is provided on the air inlet pipe, the fixing block has a threaded hole, the sealing cover has a mounting portion, the mounting portion has a corresponding through hole, and the through hole and the threaded hole are fixedly connected by bolts.

[0012] In the above-mentioned water pump air tightness detection device, an extension plate is provided on the sealing cover, and a positioning rod is provided on the extension plate.

[0013] Compared with the existing technology, the advantages of the present invention are: by replacing the sealing cover and the sealing ring, the setting of the lifting platform facilitates the adjustment of the height of the telescopic cylinder, so that the air pipe and the water inlet pipe of the water pump are on the same central axis, which is convenient for matching the sizes of the water inlet pipes and outlet pipes of different water pumps, and facilitates the equipment to detect water pumps of different specifications and models; the setting of the clamping strip facilitates the rapid positioning and fixation of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the water pump air tightness detection device;

[0015] Figure 2 It is a cross-sectional view of the water pump air tightness detection device;

[0016] Figure 3 yes Figure 2 The enlarged image in ;

[0017] Figure 4 It is a cross-sectional view of the telescopic cylinder of the water pump air tightness detection device;

[0018] Figure 5 is a cross-sectional view of a slider of a water pump air tightness detection device;

[0019] Among them, 1. Mounting table; 11. Slide; 2. Water pump; 21. Water inlet; 22. Water outlet; 3. Slider; 31. Connecting part; 32. Mounting slot; 321. Bidirectional threaded rod; 322. Moving block; 33. Clamping bar; 331. Limiting rod; 331a. Limiting plate; 332. Compression spring; 333. Electromagnet; 334. Clamping cylinder; 34. Limiting hole; 4. Screw; 5. Detection frame; 51. Hydraulic cylinder; 511. Telescopic rod; 6. Detection Tube; 61, air inlet pipe; 611, fixing block; 611a, threaded hole; 62, sealing cover; 621, mounting portion; 622, through hole; 623, extension plate; 624, positioning rod; 7, lifting platform; 71, threaded rod; 72, telescopic cylinder; 721, fixing plate; 722, air delivery pipe; 722a, sliding groove; 722b, clamping hole; 8, sealing ring; 81, sealing gasket; 82, clamping block; 83, return spring; 9, air pressure detector; 10, bolt. DETAILED DESCRIPTION

[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0021] like Figures 1 to 5 As shown, the utility model can be implemented through the following embodiments: a water pump air tightness detection device, including a mounting platform 1 and a water pump 2, the water pump 2 is provided with a water inlet 21 and a water outlet 22, a chute 11 is provided on the mounting platform 1, a slider 3 is installed in the chute 11, a connecting portion 31 is provided under the slider 3, the connecting portion 31 is connected to a screw rod 4, a detection frame 5 is provided next to the chute 11, a hydraulic cylinder 51 is installed on the detection frame 5, and a telescopic rod is installed at the output end of the hydraulic cylinder 51 511, the telescopic rod 511 is fixedly connected with the detection tube 6, the detection tube 6 is installed with an air inlet pipe 61, a sealing cover 62 is installed on the outside of the air inlet pipe 61, the air inlet pipe 61 extends into the water outlet 22, a lifting platform 7 is provided on the mounting platform 1, a threaded rod 71 is connected under the lifting platform 7, a telescopic cylinder 72 is installed on the lifting platform 7, a fixed plate 721 is installed on the output end of the telescopic cylinder 72, an air supply pipe 722 is provided on the fixed plate 721, and a sealing ring 8 is installed on the outside of the air supply pipe 722.

[0022] A water pump 2 is installed on the slider 3, and the axial position of the water pump 2 is adjusted by rotating the screw 4, which is convenient for positioning the water pump 2 during inspection; the detection tube 6 is used to accommodate the air input into the water pump 2 by the air pipe 722, and to detect the air pressure in the water pump 2 to observe whether there is any air leakage. The air inlet pipe 61 is used to connect the water pump 2 and the detection tube 6. At the same time, the sealing cover 62 on the air inlet pipe 61 is used to seal and position the pump body of the water pump 2; the lifting platform 7 is used to adjust the height of the telescopic cylinder 72 so that the air pipe 722 and the sealing ring 8 are kept on the same central axis as the water inlet 21 of the water pump 2, so that the equipment can adapt to the sizes of different water pumps 2, which is convenient for positioning and inspection of the water pump 2; the sealing ring 8 is used to seal the water inlet 21 of the water pump 2 and position the water pump 2.

[0023] like Figure 1 As shown, an air pressure detector 9 is provided on the side of the detection tube 6. The air pressure detector 9 is used to detect the air pressure in the detection tube 6, thereby detecting the air pressure in the water pump 2, so that the staff can intuitively feel the air pressure changes in the water pump 2.

[0024] like Figure 2 and Figure 5 As shown, the slider 3 has a mounting slot 32 therein, within which is disposed a bidirectional threaded rod 321. A moving block 322 is mounted on the bidirectional threaded rod 321, which in turn has a clamping bar 33 disposed thereon, and clamping cylinders 334, 334 are disposed thereon. The bidirectional threaded rod 321 is used to synchronize the movement of the moving block 322 in the opposite direction, allowing the clamping bar 33 to adjust the position of the water pump 2 and perform clamping. The clamping cylinder 334 is used to adjust the position of the water pump 2 and perform clamping to prevent displacement of the water pump 2 during testing, which could lead to inaccurate test results.

[0025] like Figure 1 、 Figure 2 and Figure 5 As shown, a limit rod 331 is disposed within the clamping bar 33, a limit plate 331a is disposed on the limit rod 331, a compression spring 332 is disposed between the limit plate 331a and the clamping bar 33, and a corresponding limit hole 34 is provided on the slider 3. The limit rod 331 is used to cooperate with the limit hole 34 to limit the displacement of the clamping bar 33, preventing the position of the water pump 2 from shifting during the inspection process. The compression spring 332 and the limit plate 331a cooperate to allow the limit rod 331 to be inserted into the limit hole 34.

[0026] like Figure 5 As shown, an electromagnet 333 is provided in the clamping bar 33. The electromagnet 333 is used to attract the limiting plate 331a, so that the limiting plate 331a moves up and compresses the spring 332, so that the limiting rod 331 moves out of the limiting hole 34, thereby allowing the moving block 322 to move away from the water pump 2.

[0027] like Figure 2 and Figure 4 As shown, a sealing gasket 81 is provided on the outside of the sealing ring 8, a clamping block 82 is installed inside the sealing ring 8, and a return spring 83 is provided between the clamping block 82 and the sealing ring 8. A sliding groove 722a is provided on the outer surface of the air supply pipe 722, and a corresponding clamping hole 722b is provided at the end of the sliding groove 722a. The sealing gasket 81 is used to seal the gap between the sealing ring 8 and the water inlet 21 to prevent gas leakage from the water inlet 21; the clamping block 82 is used to cooperate with the clamping hole 722b to prevent the sealing ring 8 from moving and causing a decrease in sealing performance; the return spring 83 is used to provide thrust to ensure that the clamping block 82 does not easily disengage from the clamping hole 722b; the sliding groove 722a makes it easy for the user to move the sealing ring 8 and remove it from the air inlet pipe 61, facilitating quick replacement of the sealing ring 8.

[0028] like Figure 2 and Figure 3 As shown, the intake pipe 61 is provided with a fixing block 611 having a threaded hole 611a. The sealing cover 62 is provided with a mounting portion 621 having a corresponding through-hole 622. The through-hole 622 and the threaded hole 611a are fixedly connected by a bolt 10. The fixing block 611 and the mounting portion 621 cooperate to facilitate the rapid positioning of the sealing cover 62, allowing the through-hole 622 to be quickly aligned with the threaded hole and the insertion of the bolt 10. The provision of the bolt 10 facilitates the removal and replacement of the sealing cover 62.

[0029] like Figure 2 and Figure 3 As shown, the sealing cover 62 is provided with an extension plate 623, and the extension plate 623 is provided with a positioning rod 624. The extension plate 623 is used to mate with the flange at the water outlet 22, and the positioning rod 624 is inserted into the through hole 622 of the flange to achieve positioning and sealing.

[0030] After that, the air pressure sensor 33 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal 72 is lifted up, and the airtight seal

[0031] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0032] Although various terms are used in this document, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A water pump air tightness detection device, comprising a mounting platform (1) and a water pump (2), wherein the water pump (2) is provided with a water inlet (21) and a water outlet (22), and is characterized in that: The mounting platform (1) is provided with a chute (11), a slider (3) is installed in the chute (11), a connecting portion (31) is provided under the slider (3), the connecting portion (31) is connected to a screw rod (4), a detection frame (5) is provided next to the chute (11), a hydraulic cylinder (51) is installed on the detection frame (5), a telescopic rod (511) is installed at the output end of the hydraulic cylinder (51), a detection tube (6) is fixedly connected to the telescopic rod (511), and an air inlet pipe ( 61), a sealing cover (62) is installed outside the air inlet pipe (61), the air inlet pipe (61) extends into the water outlet (22), a lifting platform (7) is provided on the mounting platform (1), a threaded rod (71) is connected below the lifting platform (7), a telescopic cylinder (72) is installed on the lifting platform (7), a fixing plate (721) is installed at the output end of the telescopic cylinder (72), an air delivery pipe (722) is provided on the fixing plate (721), and a sealing ring (8) is installed outside the air delivery pipe (722).

2. A water pump air tightness detection device according to claim 1, characterized in that: An air pressure detector (9) is provided on the side of the detection tube (6).

3. A water pump air tightness detection device according to claim 1, characterized in that: The slider (3) is provided with a mounting groove (32), the mounting groove (32) is provided with a bidirectional threaded rod (321), a moving block (322) is installed on the bidirectional threaded rod (321), a clamping bar (33) is provided on the moving block (322), and a clamping cylinder (334) is provided on the clamping bar.

4. A water pump air tightness detection device according to claim 3, characterized in that: A limiting rod (331) is provided in the clamping strip (33), a limiting plate (331a) is provided on the limiting rod (331), a compression spring (332) is provided between the limiting plate (331a) and the clamping strip (33), and a corresponding limiting hole (34) is provided on the slider (3).

5. A water pump (2) air tightness detection device according to claim 3, characterized in that: An electromagnet (333) is provided in the clamping bar (33).

6. A water pump (2) air tightness detection device according to claim 1, characterized in that: A sealing gasket (81) is provided outside the sealing ring (8), a clamping block (82) is installed inside the sealing ring (8), a return spring (83) is provided between the clamping block (82) and the sealing ring (8), a sliding groove (722a) is provided on the outer surface of the air delivery pipe (722), and a corresponding clamping hole (722b) is provided at the end of the sliding groove (722a).

7. A water pump (2) air tightness detection device according to claim 1, characterized in that: The air intake pipe (61) is provided with a fixing block (611), the fixing block (611) is provided with a threaded hole (611b), the sealing cover (62) is provided with a mounting portion (621), the mounting portion (621) is provided with a corresponding through hole (622), and the through hole (622) and the threaded hole (611b) are fixedly connected by a bolt (10).

8. A water pump (2) air tightness detection device according to claim 1, characterized in that: An extension disc (623) is provided on the sealing cover (62), and a positioning rod (624) is provided on the extension disc (623).

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