A pump housing water pressure sealing test device

Abstract

The utility model discloses a kind of pump shell water pressure sealing test device, it is related to pump shell water pressure sealing test technical field, its technical key points include water pressure test machine case, the water pressure test machine case is connected with water supply pump;Lift test rack, the lift test rack is fixed in the rear end of water pressure test machine case Middle;Magnetic attraction positioning lifting frame, the magnetic attraction positioning lifting frame is installed and connected on the movable end of lift test rack, the utility information lift test rack can be placed in the rear end of water pressure test machine case Middle, the movable end of lift test rack can change the position of magnetic attraction positioning lifting frame when lifting, so that sealed pump shell can be placed in the internal water source of water pressure test machine case and carry out water pressure sealing test, when testing, the pressure state can be viewed through the barometer on pneumatic detection air supply mechanism, when pressure changes, then indicate that sealed pump shell has leakage point, by setting magnetic attraction positioning lifting frame structure, it is convenient for sealed pump shell magnetic attraction to install and disassemble.

Description

Technical Field

[0001] This utility model relates to the field of pump casing water pressure sealing test technology, specifically a pump casing water pressure sealing test device. Background Technology

[0002] The pump casing hydrostatic sealing tester is mainly used to test the sealing performance and hydrostatic strength of pump casings, and to check the cast iron quality of submersible pump casings and whether there are any leaks at the joints. A pump casing hydrostatic sealing test device is required when conducting hydrostatic sealing tests on the pump casing.

[0003] The existing Chinese patent CN205607776U discloses a hydrostatic testing device for an explosion-proof enclosure, which includes a sealing plug, a test bench frame, a water inlet pipe, a pressurized water pump, a water tank, a water outlet pipe, a water pressure gauge, a fixed bracket, and an O-ring. The fixed bracket is fixed on the test bench frame and is fixedly connected to the enclosure under test. The O-ring seals the connection between the fixed bracket and the enclosure under test.

[0004] However, in actual use, the test chamber needs to be fixed during the test to prevent it from tipping over during water pressure sealing. The use of screws for assembly makes installation and disassembly inefficient and inconvenient.

[0005] Therefore, we propose a novel pump casing water pressure sealing test device to solve the above-mentioned technical problems. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides a pump casing water pressure sealing test device, which solves the problem that in actual use, the test casing needs to be fixed during testing to prevent it from tipping over during water pressure sealing, and the assembly using screws is not very efficient or convenient during installation and disassembly.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a pump casing water pressure sealing test device, comprising:

[0010] A water pressure testing chamber, which is connected to a water supply pump;

[0011] A lifting test frame is fixedly connected to the middle of the rear end of the water pressure test chamber;

[0012] A magnetic positioning lifting frame is installed and connected to the movable end of the lifting test frame;

[0013] A pneumatic detection air supply mechanism is installed and connected to the inner side of the right end of the magnetic positioning lifting frame, and the pneumatic detection air supply mechanism is connected to a booster pump.

[0014] A sealed pump housing is magnetically mounted on a magnetic positioning and lifting frame, and the sealed pump housing is connected to a pneumatic detection and air supply mechanism.

[0015] Preferably, the water pressure testing chamber includes a four-hole mounting base plate, a test water tank is fixedly connected to the upper middle of the four-hole mounting base plate, a test tank is provided inside the test water tank, an inlet pipe is fixedly connected to the upper right side of the test water tank, a drain valve is fixedly connected to the lower right side of the test water tank, and the inlet pipe is connected to a water supply pump through a pipe.

[0016] Preferably, the lifting test frame includes an inverted L-shaped support vertical plate, which is fixedly connected to the middle of the rear end of the test water tank. A horizontal panel is fixedly connected to the upper end of the inverted L-shaped support vertical plate. A first electric telescopic cylinder is installed on the lower front side of the horizontal panel by screws. A screw assembly plate is fixedly connected to the telescopic rod end of the first electric telescopic cylinder.

[0017] Preferably, the magnetic positioning lifting frame includes a movable panel, with a mounting protrusion fixedly connected to the upper middle of the movable panel, and positioning sleeves fixedly connected to the four corners of the lower end of the movable panel. The movable panel is sleeved onto the test water tank through the positioning sleeves. A right-angle support plate is fixedly connected to the lower middle of the rear edge of the movable panel, and an electromagnet body is fixedly connected to the lower inner side of the right-angle support plate. The electromagnet body is electrically connected to a power supply line through the right-angle support plate, and the outer end of the power supply line is electrically connected to a PLC controller located on the movable panel.

[0018] Preferably, the pneumatic detection and air supply mechanism includes a hollow air supply pipe, a screw mounting plate is fixedly connected to the periphery of the hollow air supply pipe, the hollow air supply pipe is fixedly installed on the movable panel by the screw mounting plate, an input pipe is fixedly connected to the upper end of the hollow air supply pipe, a pressure gauge is installed on the outer wall of the input pipe, a corrugated expansion tube is fixedly connected to the lower end of the hollow air supply pipe, and a through mounting plate is fixedly connected to the outer end of the corrugated expansion tube.

[0019] Preferably, the through mounting plate is mounted on the outer end of the sealed pump housing by screws.

[0020] Preferably, the sealed pump housing is made of an absorbent metal material.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, this utility model provides a pump casing water pressure sealing test device, which has the following beneficial effects:

[0023] 1. The lifting test frame of this utility model can be placed in the middle of the rear end of the water pressure test chamber. When the lifting test frame is raised or lowered, the position of the magnetically positioned lifting frame can be changed, so that the sealed pump shell can be placed in the water source inside the water pressure test chamber for water pressure sealing test. During the test, the pressure status can be viewed by the air pressure gauge on the pneumatic detection air supply mechanism. When the pressure changes, it indicates that the sealed pump shell has a leakage point.

[0024] 2. This utility model features a magnetic positioning lifting frame structure, facilitating magnetic installation and disassembly. The movable panel of the magnetic positioning lifting frame is connected to the screw assembly plate via a mounting cam. When the screw assembly plate is raised or lowered, the mounting cam can drive the movable panel to change its position and height. The movable panel is fitted onto the test water tank via a positioning sleeve rod, allowing for stable positioning and movement. When the movable panel is raised or lowered, it can drive the right-angle support plate to rise or fall, which in turn drives the electromagnet body to rise or fall. When the electromagnet body is energized, it becomes magnetized, giving it a magnetic attraction force, thus allowing it to adhere to the sealed pump casing for inspection. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the combined structure of the water pressure testing chamber and the lifting testing frame of this utility model;

[0027] Figure 3 This is a schematic diagram of the pneumatic detection and air supply mechanism of this utility model.

[0028] Figure 4 This is a schematic diagram of the magnetic positioning lifting frame, pneumatic detection and air supply mechanism and sealed pump housing structure of this utility model.

[0029] Figure 5 This is a schematic diagram of the sealed pump casing and pneumatic detection and air supply mechanism of this utility model.

[0030] In the picture:

[0031] 1. Sealed pump casing; 2. Test water tank; 21. Four-hole mounting base plate; 22. Drain valve; 23. Liquid inlet pipe; 24. Test chamber; 3. Right-angle support plate; 4. Hollow gas pipe; 41. Input pipe; 42. Pressure gauge; 43. Screw mounting plate; 44. Corrugated telescopic pipe; 45. Through mounting plate; 5. Movable panel; 51. Mounting cam; 52. Positioning sleeve; 6. PLC controller; 61. Power connection cable; 62. Electromagnet body; 7. First electric telescopic cylinder; 71. Screw assembly plate; 8. Horizontal panel; 81. Inverted L-shaped support vertical plate. Detailed Implementation

[0032] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0033] Example 1

[0034] This embodiment provides a technical solution: a pump casing water pressure sealing test device, such as... Figures 1-5 As shown, it includes a water pressure testing chamber, a lifting testing frame, a magnetic positioning lifting frame, a pneumatic testing air supply mechanism, and a sealed pump housing 1.

[0035] The water pressure testing chamber is connected to a water supply pump. During testing, the water supply pump draws external water and delivers it to the water pressure testing chamber for sealing testing. The lifting test frame is fixed to the middle of the rear end of the water pressure testing chamber. The lifting test frame can be placed in the middle of the rear end of the water pressure testing chamber. A magnetic positioning lifting frame is installed and connected to the movable end of the lifting test frame. The movable end of the lifting test frame can change the position of the magnetic positioning lifting frame when it is raised or lowered. A pneumatic detection air supply mechanism is installed and connected to the inner right side of the magnetic positioning lifting frame. The magnetic positioning lifting frame can change the position of the pneumatic detection air supply mechanism when it is raised or lowered. The pneumatic detection air supply mechanism is connected to a booster pump. The pneumatic detection air supply mechanism can deliver pressurized gas through the booster pump. The sealing pump housing 1 is magnetically installed on the magnetic positioning lifting frame. The magnetic installation connection makes it easy to install and remove the sealing pump housing 1 on the magnetic positioning lifting frame. The sealing pump housing 1 is connected to the pneumatic detection air supply mechanism and can receive pressurized gas from the pneumatic detection air supply mechanism for water pressure sealing testing.

[0036] like Figure 1 and Figure 2 As shown, the water pressure testing chassis includes a four-hole mounting base plate 21, which can be installed in a designated position using screws. A test water tank 2 is fixedly connected to the upper middle of the four-hole mounting base plate 21. After installation, the four-hole mounting base plate 21 can drive the test water tank 2 to be placed stably. The test water tank 2 has a test cavity 24 inside, which can store water for water pressure sealing testing. An inlet pipe 23 is fixedly connected to the upper right side of the test water tank 2. Water can be added to the test water tank 2 through the inlet pipe 23. The inlet pipe 23 is connected to a water supply pump through a pipe, and the water pumped by the water supply pump can be transported to the inlet pipe 23 through the pipe. A drain valve 22 is fixedly connected to the lower right side of the test water tank 2. When the drain valve 22 is opened, the liquid inside the test water tank 2 can be discharged.

[0037] The lifting test frame includes an inverted L-shaped support vertical plate 81, which is fixedly connected to the middle of the rear end of the test water tank 2 and can be stably installed. A horizontal panel 8 is fixedly connected to the upper end of the inverted L-shaped support vertical plate 81, which can support the horizontal panel 8 when it is placed. A first electric telescopic cylinder 7 is installed on the lower front end of the horizontal panel 8 by screws. The first electric telescopic cylinder 7 can be stably placed and extended on the horizontal panel 8. A screw assembly plate 71 is fixedly connected to the telescopic rod end of the first electric telescopic cylinder 7. The position of the screw assembly plate 71 can be changed when the telescopic rod of the first electric telescopic cylinder 7 is extended or retracted.

[0038] In use, the water supply pump draws water from an external source and delivers it to the water pressure testing chamber for sealing testing. Then, personnel place the sealing pump housing 1 on the magnetic positioning lifting frame. The sealing pump housing 1 is magnetically mounted on the frame, facilitating easy installation and removal. Next, the pneumatic testing and air supply mechanism is connected to the sealing pump housing 1. This mechanism uses a booster pump to deliver pressurized gas, which the sealing pump housing 1 receives for the water pressure sealing test.

[0039] After connection, the lifting test frame can be placed in the middle of the rear end of the water pressure testing chamber. The movable end of the lifting test frame can change the position of the magnetically positioned lifting frame during lifting, so that the sealed pump housing 1 can be placed in the water source inside the water pressure testing chamber for water pressure sealing test. During the test, the pressure status can be viewed through the air pressure gauge 42 on the pneumatic detection air supply mechanism. When the pressure changes, it indicates that the sealed pump housing 1 has a leakage point.

[0040] Example 2

[0041] This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 1 , Figure 2 and Figure 4As shown, to further better realize this utility model, the following configuration is specifically adopted: the magnetic positioning lifting frame includes a movable panel 5, with a mounting protrusion 51 fixedly connected to the upper middle of the movable panel 5. The movable panel 5 is connected to the screw assembly plate 71 through the mounting protrusion 51. When the screw assembly plate 71 is raised or lowered, it can drive the movable panel 5 to change its position and height through the mounting protrusion 51. Positioning sleeves 52 are fixedly connected to the four corners of the lower end of the movable panel 5. The movable panel 5 can be positioned by the positioning sleeves 52. The movable panel 5 is sleeved on the test water tank 2 through the positioning sleeves 52, and can be stably positioned and moved. The rear edge of the movable panel 5... A right-angle support plate 3 is fixedly connected to the middle of the lower end. When the movable panel 5 is raised and lowered, it can drive the right-angle support plate 3 to rise and fall. An electromagnet body 62 is fixedly connected to the inner side of the lower end of the right-angle support plate 3. The right-angle support plate 3 can drive the electromagnet body 62 to rise and fall. When the electromagnet body 62 is energized, it can be magnetized, so that it has a magnetic attraction fixing force. The electromagnet body 62 passes through the right-angle support plate 3 and is electrically connected to a power connection line 61. The power connection line 61 can supply power to the electromagnet body 62. The outer end of the power connection line 61 is located on the movable panel 5 and is electrically connected to a PLC controller 6. The PLC controller 6 can control the operation accordingly through the power connection line 61.

[0042] The sealed pump housing 1 is made of magnetically adsorbent metal, making it easy to place magnetically.

[0043] Example 3

[0044] This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, to further better realize this utility model, the following arrangement is specifically adopted: the pneumatic detection and air supply mechanism includes a hollow air supply pipe 4. The hollow air supply pipe 4 is hollow inside and can transport gas. A screw mounting plate 43 is fixedly connected to the periphery of the hollow air supply pipe 4. The hollow air supply pipe 4 can be installed correspondingly through the screw mounting plate 43. The hollow air supply pipe 4 is fixedly installed on the movable panel 5 through the screw mounting plate 43, and can be stably installed. An input pipe 41 is fixedly connected to the upper end of the hollow air supply pipe 4. 4 can receive gas input from input pipe 41. A pressure gauge 42 is installed on the outer wall of input pipe 41. The internal pressure status of input pipe 41 can be effectively displayed by pressure gauge 42. A corrugated expansion tube 44 is fixedly connected to the lower end of hollow gas pipe 4. Hollow gas pipe 4 can be extended in length for use through corrugated expansion tube 44 to avoid obstruction during use. A through mounting plate 45 is fixedly connected to the outer end of corrugated expansion tube 44. Corrugated expansion tube 44 can deliver gas accordingly through through mounting plate 45.

[0045] The through mounting plate 45 is installed on the outer end of the sealed pump housing 1 by screws, and can be installed and connected accordingly. The through mounting plate 45 can deliver the gas transported by the corrugated expansion tube 44 into the interior of the sealed pump housing 1 for pneumatic depth measurement with water pressure sealing.

[0046] The wiring diagrams of the electromagnet body 62, PLC controller 6, and first electric telescopic cylinder 7 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts of the electromagnet body 62, PLC controller 6, and first electric telescopic cylinder 7 will not be explained in detail.

[0047] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.

Claims

1. A pump casing water pressure sealing test device, characterized in that, include: A water pressure testing chamber, which is connected to a water supply pump; A lifting test frame is fixedly connected to the middle of the rear end of the water pressure test chamber; A magnetic positioning lifting frame is installed and connected to the movable end of the lifting test frame; A pneumatic detection air supply mechanism is installed and connected to the inner side of the right end of the magnetic positioning lifting frame, and the pneumatic detection air supply mechanism is connected to a booster pump. A sealed pump housing (1) is magnetically mounted on a magnetic positioning lifting frame and is connected to a pneumatic detection and air supply mechanism.

2. The pump casing water pressure sealing test device according to claim 1, characterized in that: The water pressure test chamber includes a four-hole mounting base plate (21), and a test water tank (2) is fixedly connected to the middle of the upper end of the four-hole mounting base plate (21). The test water tank (2) has a test cavity (24) inside. An inlet pipe (23) is fixedly connected to the upper right side of the test water tank (2), and a drain valve (22) is fixedly connected to the lower right side of the test water tank (2). The inlet pipe (23) is connected to the water supply pump through a pipe.

3. The pump casing water pressure sealing test device according to claim 1, characterized in that: The lifting test frame includes an inverted L-shaped support vertical plate (81), which is fixed to the middle of the rear end of the test water tank (2). A horizontal panel (8) is fixed to the upper end of the inverted L-shaped support vertical plate (81). A first electric telescopic cylinder (7) is installed on the lower front side of the horizontal panel (8) by screws. A screw assembly plate (71) is fixed to the telescopic rod end of the first electric telescopic cylinder (7).

4. The pump casing water pressure sealing test device according to claim 1, characterized in that: The magnetic positioning lifting frame includes a movable panel (5), with a mounting cam (51) fixedly connected to the middle of the upper end of the movable panel (5), and positioning sleeves (52) fixedly connected to the four corners of the lower end of the movable panel (5). The movable panel (5) is sleeved on the test water tank (2) through the positioning sleeves (52). A right-angle support plate (3) is fixedly connected to the middle of the lower end of the rear edge of the movable panel (5). An electromagnet body (62) is fixedly connected to the inner side of the lower end of the right-angle support plate (3). The electromagnet body (62) is electrically connected to a power connection line (61) through the right-angle support plate (3). The outer end of the power connection line (61) is located on the movable panel (5) and electrically connected to a PLC controller (6).

5. The pump casing water pressure sealing test device according to claim 1, characterized in that: The pneumatic detection and air supply mechanism includes a hollow air supply pipe (4), a screw mounting plate (43) is fixedly connected to the periphery of the hollow air supply pipe (4), the hollow air supply pipe (4) is fixedly installed on the movable panel (5) by the screw mounting plate (43), an input pipe (41) is fixedly connected to the upper end of the hollow air supply pipe (4), a pressure gauge (42) is installed on the outer wall of the input pipe (41), a corrugated expansion pipe (44) is fixedly connected to the lower end of the hollow air supply pipe (4), and a through mounting plate (45) is fixedly connected to the outer end of the corrugated expansion pipe (44).

6. The pump casing water pressure sealing test device according to claim 5, characterized in that: The through mounting plate (45) is mounted on the outer end of the sealed pump housing (1) by screws.

7. The pump casing water pressure sealing test device according to claim 6, characterized in that: The sealed pump casing (1) is made of absorbent metal material.

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