Jet pump test bench

Abstract

The utility model relates to the technical field of injection pump detection, and discloses an injection pump test bed, which comprises an operation table, a water tank is arranged on one side of the operation table, a pump body is arranged at the top end of the operation table, and a mounting plate is arranged at the bottom end of the pump body; the limiting unit comprises a first moving block and a second moving block, and fixing piles are fixedly mounted at the top ends of the first moving block and the second moving block; a water inlet pipe; a water outlet pipe; and a support assembly. A limiting unit is arranged at the top end of an operation table, and fixing piles at the top ends of a first moving block and a second moving block movably penetrate through mounting plates of corresponding pump bodies, so that the pump bodies are limited and fixed, and displacement of the pump bodies is avoided; the supporting assembly comprises the first supporting part and the second supporting part, and the first supporting part and the second supporting part can stretch out and draw back to adjust the height, so that the device is suitable for experiments of pump bodies with different volumes and sizes, and the applicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of jet pump testing technology, and in particular to a jet pump test bench. Background Technology

[0002] The working principle of a self-priming jet pump is to use a mixture of liquid and gas to create a vacuum to draw in the medium, which is then ejected at high speed through a nozzle. It can automatically draw in the medium from a low position with just one addition of water, without the need for an external suction device.

[0003] The prior art discloses a jet pump test system (publication number: CN210461029U), which includes a base, a plurality of jet pumps are arranged on the top of the base, valve bodies are symmetrically arranged on the upper and lower sides of the jet pumps, a pressure pump is arranged on one side of the top of the base, the pressure pump, valve bodies and jet pumps are interconnected through pipes, a plurality of brackets are fixedly sleeved on the outer wall of the pipes, and the brackets are fixedly connected to the base, and a pump base is fixedly connected to the bottom of the pressure pump.

[0004] However, the structural design of existing test benches is relatively fixed and rigid, and they are often customized according to specific needs. Although this customized production method can meet the installation requirements of certain specific jet pumps, it greatly limits the versatility and flexibility of the test bench. When faced with jet pumps of different volumes and sizes, existing test benches are often difficult to adapt, resulting in a significant reduction in the applicability of the device.

[0005] Therefore, those skilled in the art have provided a jet pump test bench to solve the problems mentioned in the background art. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a jet pump test bench, which solves the problems mentioned in the background section.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A jet pump test bench includes: an operating platform placed on the ground, a water tank on one side of the platform, a chute at the top of the platform, a pump body placed on the top of the platform, and a mounting plate at the bottom of the pump body; a limiting unit disposed within the chute cavity for limiting and fixing the pump body, the limiting unit including a first moving block and a second moving block, both the top of which are fixedly mounted with a fixing stake, the fixing stake movably penetrating the mounting plate of the pump body; the limiting unit also includes a rotating shaft movably mounted within the chute cavity, the rotating shaft movably penetrating the first and second moving blocks; and a water inlet pipe. One end of the inlet pipe is threaded to the pump body input end; the outlet pipe, one end of which is threaded to the pump body input end, has a flow meter installed in the middle; the support assembly is installed between the inlet pipe, the outlet pipe and the operating table, and is used to support the inlet pipe and the outlet pipe. The support assembly includes a first support part and a second support part, both of which can be telescopically adjusted in height. The first support part includes a first clamping plate and a rectangular sleeve, and the second support part includes a second clamping plate, a lifting rod and a rectangular sleeve. A clamping unit is installed between the lifting rod and the rectangular sleeve. The clamping unit includes a limit clamping disc, a protrusion and a threaded rod.

[0009] According to the jet pump test bench, handwheels are movably installed on both the front and rear walls of the operating platform, and the two ends of the rotating shaft are fixedly connected to the corresponding handwheels.

[0010] According to the jet pump test bench, the outer wall of the rotating shaft is provided with a set of reverse threads. The rotating shaft and the first moving block and the second moving block are both threadedly connected. The first moving block and the second moving block are located at the two ends of the rotating shaft, and the first moving block and the second moving block are movably engaged in the sliding groove.

[0011] According to the jet pump test bench, the rectangular sleeve is fixedly installed on the top of the operating table, and a rectangular strip is fixedly connected to the bottom end of the first clamping plate. The rectangular strip moves through the top end of the rectangular sleeve, and a compression spring is provided inside the cavity of the rectangular sleeve.

[0012] According to the jet pump test bench, the rectangular sleeve is fixedly installed on the top of the operating table, the top of the lifting rod is fixedly connected to the bottom of the second card plate, the top of the rectangular sleeve is provided with a guide groove, the inner wall of the guide groove is provided with a rectangular groove, and the rectangular sleeve is hollow in the middle.

[0013] According to the jet pump test bench, one end of the lifting rod movably passes through the rectangular sleeve cavity, and the lifting rod is fixedly connected to the protrusion. The outer wall of the rectangular sleeve is movably engaged with a limiting clamping plate, which is U-shaped. A cylindrical rod is fixedly connected between the protrusion and the limiting clamping plate. A threaded rod is fixedly connected to the end of the limiting clamping plate away from the limiting clamping plate, and the threaded rod movably passes through the rectangular groove of the rectangular sleeve.

[0014] According to the jet pump test bench, the threaded rod moves through the limiting clamping disc, and the threaded rod and the limiting clamping disc are connected by threads.

[0015] This utility model provides a jet pump test bench. It has the following beneficial effects:

[0016] (1) During the testing of the pump body, a limiting unit is set at the top of the operating table. The fixed piles at the top of the first moving block and the second moving block can be moved through the mounting plate of the corresponding pump body to limit and fix the pump body, so as to avoid displacement of the pump body during the test. This method is convenient to install and remove and easy to operate. By setting an inlet pipe and an outlet pipe, a flow meter is set at the middle position of the outlet pipe. Water enters the pump body through the inlet pipe and then sprays out through the outlet pipe. The flow meter is used to measure the fluid flow rate and detect whether the pump body is qualified. A support component is set to support the inlet pipe and the outlet pipe. The support component includes a first support part and a second support part. The height of the first support part and the second support part can be adjusted by extension and retraction, so as to adapt to pump bodies of different sizes for testing and improve the applicability of the device.

[0017] (2) Handwheels are movably installed on both the front and rear walls of the operating table. The two ends of the rotating shaft are fixedly connected to the corresponding handwheels. The operator drives the rotating shaft to rotate by rotating the handwheels. A set of reverse threads is opened on the outer wall of the rotating shaft. The rotating shaft and the first moving block and the second moving block are threaded. The first moving block and the second moving block are located at the two ends of the rotating shaft respectively. Thus, during the rotation of the rotating shaft, the first moving block and the second moving block move closer to each other or move further away from each other, which satisfies the limiting and fixing of pump bodies of different volume sizes.

[0018] (3) A rectangular sleeve is fixed on the operating table, and the lifting rod is fixedly connected to the second clamping plate. A guide groove is opened through the top of the rectangular sleeve, and a rectangular groove is opened through the inner wall of the guide groove. The rectangular sleeve is hollow in the middle. During the adjustment of the height of the lifting rod, the operator moves the limiting clamping plate to a suitable height. The limiting clamping plate is movably engaged with the outer wall of the rectangular sleeve. The protrusion is fixedly connected to the lifting rod and the protrusion is fixedly connected to the limiting clamping plate. Thus, the protrusion and the lifting rod move synchronously with the limiting clamping plate. A threaded rod is fixedly installed on one side of the protrusion. The limiting clamping disc moves through the threaded rod. The threaded rod and the limiting clamping disc are connected by threads. The operator rotates the limiting clamping disc by hand. The limiting clamping disc approaches the rectangular sleeve until it is clamped, thus completing the adjustment of the height of the lifting rod and adapting to the installation of pumps of different volumes. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of a jet pump test bench according to the present invention;

[0020] Figure 2 This is a top view schematic diagram of a jet pump test bench according to the present invention;

[0021] Figure 3 This is a three-dimensional structural diagram of the limiting unit of a jet pump test bench according to the present invention;

[0022] Figure 4 This is a three-dimensional structural diagram of the support component of a jet pump test bench according to the present invention;

[0023] Figure 5 This is a perspective view of the clamping unit of a jet pump test bench according to the present invention.

[0024] Legend:

[0025] 10. Control panel; 11. Water tank; 12. Slide groove; 13. Pump body; 14. Inlet pipe; 15. Outlet pipe; 16. Support assembly; 17. Flow meter; 19. Rotating shaft; 20. Handwheel; 21. First moving block; 22. Second moving block; 23. Fixed stake; 24. First clamping plate; 25. Rectangular sleeve; 26. Rectangular strip; 27. Second clamping plate; 28. Rectangular sleeve; 29. ​​Lifting rod; 30. Guide groove; 31. Limiting clamping disc; 32. Protrusion; 33. Limiting clamping plate; 34. Threaded rod. Detailed Implementation

[0026] like Figure 1-5The image shows a jet pump test bench, comprising: an operating platform 10 placed on the ground, a water tank 11 on one side of the operating platform 10, a slide groove 12 at the top of the operating platform 10, a pump body 13 placed at the top of the operating platform 10, and a mounting plate at the bottom of the pump body 13; a limiting unit disposed within the slide groove 12 for limiting and fixing the pump body 13, the limiting unit comprising a first moving block 21 and a second moving block 22, both the top of which are fixedly mounted with fixing posts 23, the fixing posts 23 movably penetrating the mounting plate of the pump body 13; the limiting unit also includes a rotating shaft 19 movably mounted within the slide groove 12, the rotating shaft 19 movably penetrating the first moving block 21 and the second moving block 22; and a water inlet pipe 14. One end of the inlet pipe 14 is threaded to the input end of the pump body 13; the outlet pipe 15 is threaded to the input end of the pump body 13, and a flow meter 17 is installed in the middle of the outlet pipe 15; the support assembly 16 is installed between the inlet pipe 14, the outlet pipe 15 and the operating table 10, and is used to support the inlet pipe 14 and the outlet pipe 15. The support assembly 16 includes a first support part and a second support part. The height of the first support part and the second support part can be adjusted by telescoping. The first support part includes a first clamping plate 24 and a rectangular sleeve 25. The second support part includes a second clamping plate 27, a lifting rod 29 and a rectangular sleeve 28. A clamping unit is installed between the lifting rod 29 and the rectangular sleeve 28. The clamping unit includes a limit clamping disc 31, a protrusion 32 and a threaded rod 34.

[0027] It should be noted that the flow meter 17 is used to measure fluid flow rate. The flow meter 17 is existing technology and will not be described in detail here.

[0028] Specifically, during the testing of the pump body 13, a limiting unit is set at the top of the operating table 10. The fixing stakes 23 at the top of the first moving block 21 and the second moving block 22 can be moved through the mounting plate of the corresponding pump body 13, thereby limiting and fixing the pump body 13 and preventing displacement of the pump body 13 during the test. This method is convenient to install and remove and easy to operate. By setting an inlet pipe 14 and an outlet pipe 15, a flow meter 17 is set at the middle position of the outlet pipe 15. Water enters the pump body 13 through the inlet pipe 14 and then sprays out through the outlet pipe 15. The flow meter 17 is used to measure the fluid flow rate and detect whether the pump body 13 is qualified. A support assembly 16 is set to support the inlet pipe 14 and the outlet pipe 15. The support assembly 16 includes a first support part and a second support part. The height of the first support part and the second support part can be adjusted by extension and retraction, so as to adapt to the pump body 13 of different sizes for testing, thereby improving the applicability of the device.

[0029] Handwheels 20 are movably mounted on both the front and rear walls of the operating table 10, and the two ends of the rotating shaft 19 are fixedly connected to the corresponding handwheels 20. A set of reverse threads is formed on the outer wall of the rotating shaft 19. The rotating shaft 19 is threadedly connected to the first moving block 21 and the second moving block 22. The first moving block 21 and the second moving block 22 are located at the two ends of the rotating shaft 19, and both the first moving block 21 and the second moving block 22 are movably engaged in the slide groove 12.

[0030] Specifically, handwheels 20 are movably installed on both the front and rear walls of the operating platform 10. The two ends of the rotating shaft 19 are fixedly connected to the corresponding handwheels 20. The operator rotates the handwheels 20 to drive the rotating shaft 19 to rotate. A set of reverse threads is opened on the outer wall of the rotating shaft 19. The rotating shaft 19 is threadedly connected to the first moving block 21 and the second moving block 22. The first moving block 21 and the second moving block 22 are located at the two ends of the rotating shaft 19, respectively. Thus, during the rotation of the rotating shaft 19, the first moving block 21 and the second moving block 22 move closer to each other or move further away from each other, which satisfies the limiting and fixing of pump bodies 13 of different sizes.

[0031] A rectangular sleeve 25 is fixedly installed on the top of the operating table 10. A rectangular strip 26 is fixedly connected to the bottom of the first clamping plate 24. The rectangular strip 26 moves through the top of the rectangular sleeve 25. A compression spring is installed inside the cavity of the rectangular sleeve 25.

[0032] Specifically, a rectangular sleeve 25 is fixedly installed on the top of the operating table 10. A rectangular strip 26 is fixedly connected to the bottom of the first card plate 24. The rectangular strip 26 moves through the top of the rectangular sleeve 25. A compression spring is installed inside the cavity of the rectangular sleeve 25. The water inlet pipe 14 gives the first card plate 24 downward pressure, and the rectangular strip 26 can elastically rise and fall.

[0033] A rectangular sleeve 28 is fixedly installed on the top of the operating table 10. The top of the lifting rod 29 is fixedly connected to the bottom of the second clamping plate 27. A guide groove 30 is formed through the top of the rectangular sleeve 28, and a rectangular groove is formed through the inner wall of the guide groove 30. The rectangular sleeve 28 is hollow in the middle. One end of the lifting rod 29 moves through the cavity of the rectangular sleeve 28 and is fixedly connected to the protrusion 32. The outer wall of the rectangular sleeve 28 is movably engaged with a limiting clamping plate 33. The limiting clamping plate 33 is U-shaped. A cylindrical rod is fixedly connected between the protrusion 32 and the limiting clamping plate 33. A threaded rod 34 is fixedly connected to the end of the limiting clamping plate 33 away from the limiting clamping plate 33. The threaded rod 34 moves through the rectangular groove of the rectangular sleeve 28. The threaded rod 34 moves through the limiting clamping disc 31, and the threaded rod 34 and the limiting clamping disc 31 are threadedly connected.

[0034] Specifically, a rectangular sleeve 28 is fixed to the operating table 10, and the lifting rod 29 is fixedly connected to the second clamping plate 27. A guide groove 30 is formed through the top of the rectangular sleeve 28, and a rectangular groove is formed through the inner wall of the guide groove 30. The rectangular sleeve 28 is hollow in the middle. During the adjustment of the height of the lifting rod 29, the operator moves the limiting clamping plate 33 to a suitable height, and the limiting clamping plate 33 movably engages with the outer wall of the rectangular sleeve 28. The protrusion 32 is fixedly connected to the lifting rod 29. 2. It is fixedly connected to the limiting clamping plate 33, so that the protrusion 32 and the lifting rod 29 move synchronously with the limiting clamping plate 33. The threaded rod 34 is fixedly installed on one side of the protrusion 32. The limiting clamping disc 31 moves through the threaded rod 34. The threaded rod 34 and the limiting clamping disc 31 are connected by threads. The operator rotates the limiting clamping disc 31 by hand. The limiting clamping disc 31 approaches the rectangular sleeve 28 until it is clamped, thus completing the adjustment of the height of the lifting rod 29, thereby adapting to the installation of pump bodies 13 of different volumes.

[0035] The working principle of the jet pump test bench of this application is as follows: During the test of the pump body 13, a limiting unit is set at the top of the operating table 10, and the fixing stakes 23 at the top of the first moving block 21 and the second moving block 22 movably pass through the mounting plate of the corresponding pump body 13, thereby limiting and fixing the pump body 13 and preventing displacement of the pump body 13 during the test. This method is convenient to install and remove and easy to operate. By setting an inlet pipe 14 and an outlet pipe 15, a flow meter 17 is set at the middle position of the outlet pipe 15. Water enters the pump body 13 through the inlet pipe 14 and then sprays out through the outlet pipe 15. The flow meter 17 is used to measure the fluid flow rate and detect whether the pump body 13 is qualified. A support assembly 16 is set to support the inlet pipe 14 and the outlet pipe 15. The support assembly 16 includes a first support part and a second support part. The height of the first support part and the second support part can be adjusted by extension and retraction, thereby adapting to pump bodies 13 of different sizes for testing and improving the applicability of the device.

[0036] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A test bench for a jet pump, characterized in that, The utility model relates to a kind of water pump, including: Operating platform (10), operating platform (10) is placed on ground, one side of operating platform (10) is provided with water tank (11), water tank (11) is placed on ground, the top end of operating platform (10) is provided with sliding slot (12), the top end of operating platform (10) is placed with pump body (13), the bottom end of pump body (13) is provided with mounting plate; Limiting unit, the limiting unit is set in sliding slot (12) cavity, for limiting and fixing pump body (13), limiting unit includes first moving block (21) and second moving block (22), the top end of first moving block (21) and second moving block (22) is fixedly installed with fixed stake (23), fixed stake (23) is movably penetrated through the mounting plate of pump body (13), limiting unit further includes rotatable shaft (19) movably installed in sliding slot (12) cavity, rotatable shaft (19) movably penetrates first moving block (21) and second moving block (22); Water inlet pipe (14), one end of water inlet pipe (14) is threadedly connected with the input end of pump body (13); Water outlet pipe (15), one end of water outlet pipe (15) is threadedly connected with the input end of pump body (13), and flowmeter (17) is arranged at the middle position of water outlet pipe (15); Supporting assembly (16), the supporting assembly (16) is arranged between water inlet pipe (14), water outlet pipe (15) and operating platform (10), for supporting water inlet pipe (14), water outlet pipe (15) play a supporting role, supporting assembly (16) includes first support part and second support part, first support part and second support part can be telescopic height adjustment, first support part includes first clamping plate (24) and rectangular sleeve (25), second support part includes second clamping plate (27), lifting rod (29) and rectangular sleeve (28), clamping unit is arranged between lifting rod (29) and rectangular sleeve (28), and clamping unit includes limiting clamping disc (31), lug (32) and threaded rod (34).

2. The test bench of claim 1, wherein: The front and rear walls of the operating platform (10) are movably installed with hand wheels (20), and the two ends of the rotatable shaft (19) are fixedly connected with the corresponding hand wheels (20).

3. The test bench of claim 2, wherein: A group of reverse threads are formed on the outer wall of the rotatable shaft (19), and the rotatable shaft (19) is in threaded connection with the first moving block (21) and the second moving block (22), the first moving block (21) and the second moving block (22) are located at the two ends of the rotatable shaft (19), and the first moving block (21) and the second moving block (22) are movably clamped in the sliding slot (12).

4. The test bench of claim 1, wherein: The rectangular sleeve (25) is fixedly installed at the top end of the operating platform (10), the bottom end of the first clamping plate (24) is fixedly connected with a rectangular strip (26), the rectangular strip (26) movably penetrates the top end of the rectangular sleeve (25), and a compression spring is arranged in the cavity of the rectangular sleeve (25).

5. The test bench of claim 1, wherein: The rectangular sleeve (28) is fixedly installed at the top end of the operating table (10), the top end of the lifting rod (29) is fixedly connected with the bottom end of the second clamping plate (27), the top end of the rectangular sleeve (28) is provided with a guide groove (30), the inner wall of the guide groove (30) is provided with a rectangular groove, and the rectangular sleeve (28) is in a hollow state in the middle.

6. The test bench of claim 5, wherein: One end of the lifting rod (29) is movably penetrated into the cavity of the rectangular sleeve (28), the lifting rod (29) is fixedly connected with the convex block (32), the outer wall of the rectangular sleeve (28) is movably clamped with the limiting clamping plate (33), the limiting clamping plate (33) is in a "U" shape, the convex block (32) and the limiting clamping plate (33) are fixedly connected with the cylindrical rod, the end, away from the limiting clamping plate (33), of the limiting clamping plate (33) is fixedly connected with the threaded rod (34), and the threaded rod (34) is movably penetrated through the rectangular groove of the rectangular sleeve (28).

7. The test bench of claim 6, wherein: The threaded rod (34) movably penetrates through the limiting clamping disc (31), and the threaded rod (34) and the limiting clamping disc (31) are in a threaded connection relationship.

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