CN218098185U

CN218098185U - Withstand voltage test machine of submersible motor

Info

Publication number: CN218098185U
Application number: CN202222701044.XU
Authority: CN
Inventors: 王明军
Original assignee: Shandong General Motor Co ltd
Current assignee: Shandong General Motor Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-20
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to the technical field of motor withstand voltage test, in particular to a submersible motor withstand voltage test machine which can detect the withstand voltage sealing performance of a submersible motor under different water pressures, and has the advantages of convenient use, low limitation and high practicability; the water tank is fixedly arranged at the upper end of the bottom plate through the support, a cavity is arranged in the water tank, and the upper end of the water tank is provided with an opening; the lifting plate is vertically and slidably mounted in a cavity of the water tank, the lifting plate is connected with the inner side wall of the water tank in a sliding and sealing mode, a taking and placing opening is formed in the lifting plate, the sealing cover is mounted on the outer side of the taking and placing opening and is detachably connected with the taking and placing opening, the connecting plate is fixedly mounted at the upper end of the lifting plate, the fixing plate is fixedly mounted at the upper end of the connecting plate, and the pressure sensor is fixedly mounted at the upper end of the fixing plate.

Description

Withstand voltage test machine of submersible motor

Technical Field

The utility model relates to a motor withstand voltage test's technical field especially relates to a withstand voltage test machine of dive motor.

Background

A submersible motor is a motor that has been developed specifically for use under water. The method is widely applied to various fields such as underwater salvage operation, underwater survey, hot spring bathing and the like. The submersible motor usually relies on the waterproof effect that its outside motor casing realized, because the submersible motor usually works under water, so the motor casing on the submersible motor must keep good sealed effect in water. Therefore, before the submersible motor leaves a factory, the submersible motor needs to be subjected to sealing detection, and the sealing performance of the motor shell on the submersible motor is detected. The existing sealing detection method for the submersible motor is to immerse the submersible motor in water in a water tank and then judge the sealing effect of the submersible motor by observing whether bubbles appear in the water tank. And because the dive motor usually is at underwater work, will work at tens meters under water even sometimes, dive more deeply, water is also big to dive motor's pressure, so must require to use the dive motor in the deep water can still keep good leakproofness under certain water pressure, and present detection mode can't detect the leakproofness of dive motor under different water pressures, can only detect the dive motor who uses in the shallow water district, it is inconvenient to use, the limitation is high, so need a withstand voltage detection machine that can detect dive motor leakproofness under different water pressures.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can detect the withstand voltage leakproofness of dive motor under different water pressures, convenient to use, the limitation is low, the withstand voltage test machine of dive motor that the practicality is high.

The utility model discloses a withstand voltage test machine of a submersible motor, which comprises a bottom plate, a bracket and a water tank, wherein the water tank is fixedly arranged at the upper end of the bottom plate through the bracket; the water tank lifting device comprises a lifting plate, a sealing cover, a connecting plate, a fixing plate, a pressure sensor, a pressing device and a lifting device, wherein the lifting plate is vertically and slidably arranged in a cavity of the water tank, the lifting plate is connected with the inner side wall of the water tank in a sliding and sealing manner, the lifting plate is provided with a taking and placing opening, the sealing cover is arranged on the outer side of the taking and placing opening, the sealing cover is detachably connected with the taking and placing opening, the connecting plate is fixedly arranged at the upper end of the lifting plate, the fixing plate is fixedly arranged at the upper end of the connecting plate, the pressure sensor is fixedly arranged at the upper end of the fixing plate, the output end of the pressing device is connected with the upper end of the pressure sensor, and the lifting device is arranged on the bottom plate and the water tank; still include the lifter plate, sealed lid, the connecting plate, the fixed plate, pressure sensor, push down device and elevating gear, slidable mounting is in the cavity of water tank from top to bottom in the lifter plate, be sliding seal between the inside wall of lifter plate and water tank and be connected, be provided with on the lifter plate and get and put the mouth, sealed lid is installed and is being got and put a mouthful outside, sealed lid with get and put and be connected for detachable between the mouth, connecting plate fixed mounting is in the lifter plate upper end, fixed plate fixed mounting is in the connecting plate upper end, pressure sensor fixed mounting is in the fixed plate upper end, the output of push down device is connected with pressure sensor's upper end, elevating gear installs on bottom plate and water tank.

Preferably, the pressing device comprises a base block, a supporting frame, an oil cylinder and a push rod, the base block is fixedly arranged at the upper end of the bottom plate, the supporting frame is fixedly arranged at the upper end of the base block, the oil cylinder is fixedly arranged at the upper end of the supporting frame, the push rod is vertically and slidably arranged on the supporting frame, the upper end of the push rod is connected with the output end of the oil cylinder, and the lower end of the push rod is fixedly connected with the pressure sensor; the oil cylinder is opened, the oil cylinder enables the pressure sensor to descend through the push rod, the pressure sensor drives the fixing plate to descend, and the fixing plate enables the lifting plate to descend through the connecting plate to apply pressure to water; the push rod applies different pressures to the pressure sensor through the oil cylinder, and the use is convenient.

Preferably, the lifting device comprises a base plate, an air cylinder, an ejector rod and a supporting plate, the base plate is fixedly arranged at the upper end of the bottom plate, the air cylinder is fixedly arranged at the upper end of the base plate, the lower end of the ejector rod is connected with the output end of the air cylinder, the ejector rod is vertically and slidably arranged on the water tank, the supporting plate is fixedly arranged at the upper end of the ejector rod, and the supporting plate is positioned in a cavity of the water tank; when the pressure resistance detection is carried out on the submersible motor, firstly, the air cylinder is opened, the air cylinder enables the supporting plate to ascend through the ejector rod until the supporting plate is close to the taking and placing opening on the lifting plate, the submersible motor needing the pressure resistance detection is placed on the supporting plate through the taking and placing opening on the lifting plate, then, the air cylinder is opened, the air cylinder enables the supporting plate to drive the submersible motor to descend through the ejector rod until the submersible motor is immersed in water in the water tank cavity; the lifting of the submersible motor in water is facilitated, and the pressure resistance detection of the submersible motor is facilitated.

Preferably, the water tank further comprises a drain pipe and a drain valve, wherein the drain pipe is arranged at the lower part of the water tank, the input end of the drain pipe is communicated with the cavity of the water tank, the drain pipe is provided with the drain valve, and the drain valve is arranged on the drain pipe; when the water in the water tank cavity needs to be replaced, firstly, the drain valve is opened to discharge the water in the water tank cavity through the drain pipe, then, the drain valve is closed, and then, new water is poured into the cavity of the water tank through the taking and placing opening on the lifting plate; the water in the water tank cavity is convenient to replace.

Preferably, the lower end of the push rod is positioned in the center of the upper end of the pressure sensor; through the arrangement, the force applied by the push rod to the pressure sensor is located at the gravity center of the pressure sensor, and the reliability is improved.

Preferably, the water tank is made of transparent plastic materials; through the arrangement, the water tank has the advantages that whether bubbles appear in water in the water tank cavity or not can be conveniently observed by workers, and convenience is improved.

Preferably, the water tank is provided with an access hole, and a sealing plate is arranged outside the access hole; through the arrangement, the overhaul and the maintenance of the equipment in the water tank cavity are facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure-resistant sealing performance of the submersible motor under different water pressures can be detected, the use is convenient, the limitation is low, and the practicability is high.

Drawings

FIG. 1 is a schematic view of the axial measurement structure of the present invention;

FIG. 2 is a schematic structural diagram of a support frame, an oil cylinder, a push rod and the like;

fig. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic structural view of a base plate, a fixing plate, a supporting plate, etc.;

in the drawings, the reference numbers: 1. a base plate; 2. a support; 3. a water tank; 4. a lifting plate; 5. a sealing cover; 6. a connecting plate; 7. a fixing plate; 8. a pressure sensor; 9. a base block; 10. a support frame; 11. an oil cylinder; 12. a push rod; 13. a base plate; 14. a cylinder; 15. a top rod; 16. a support plate; 17. a drain pipe; 18. and (4) draining the water valve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 4, a water tank 3 is fixedly mounted at the upper end of a bottom plate 1 through a bracket 2, a cavity is arranged inside the water tank 3, the upper end of the water tank 3 is provided with an opening, a lifting plate 4 is vertically and slidably mounted in the cavity of the water tank 3, the lifting plate 4 is in sliding and sealing connection with the inner side wall of the water tank 3, a taking and placing opening is arranged on the lifting plate 4, a sealing cover 5 is mounted at the outer side of the taking and placing opening, the sealing cover 5 is detachably connected with the taking and placing opening, a connecting plate 6 is fixedly mounted at the upper end of the lifting plate 4, a fixing plate 7 is fixedly mounted at the upper end of the connecting plate 6, a pressure sensor 8 is fixedly mounted at the upper end of the fixing plate 7, a base block 9 is fixedly mounted at the upper end of the bottom plate 1, a support frame 10 is fixedly mounted at the upper end of the base block 9, hydro-cylinder 11 fixed mounting is in the carriage 10 upper end, slidable mounting is on carriage 10 about push rod 12, the upper end of push rod 12 is connected with the output of hydro-cylinder 11, the lower extreme and the pressure sensor 8 fixed connection of push rod 12, backing plate 13 fixed mounting is in bottom plate 1 upper end, cylinder 14 fixed mounting is in backing plate 13 upper end, the lower extreme of ejector pin 15 is connected with the output of cylinder 14, slidable mounting is on water tank 3 about ejector pin 15, backup pad 16 fixed mounting is in ejector pin 15 upper end, backup pad 16 is located the cavity of water tank 3, drain pipe 17 installs the lower part at water tank 3, the input of drain pipe 17 communicates with the cavity of water tank 3, be provided with drain valve 18 on the drain pipe 17, drain valve 18 installs on drain pipe 17.

The utility model discloses a withstand voltage test machine of submersible motor, it is at work, at first open sealed lid 5, later place the submersible motor that will detect on backup pad 16 through getting on lifter plate 4 and put the mouth, later open cylinder 14, cylinder 14 makes backup pad 16 drive the submersible motor through ejector pin 15 and descends, to the aquatic of submersible motor submergence in 3 chambeies of water tank, then close sealed lid 5, later open hydro-cylinder 11, hydro-cylinder 11 makes pressure sensor 8 descend through push rod 12, pressure sensor 8 drives fixed plate 7 and descends, fixed plate 7 makes lifter plate 4 descend through connecting plate 6, lifter plate 4 contacts with the water in 3 chambeies of water tank in the process of descending, later lifter plate 4 exerts pressure to the water in 3 chambeies of water tank, later water exerts pressure to submersible motor, then survey the pressure numerical value that shows on the pressure sensor 8, estimate the pressure of water in 3 chambeies of water tank to the motor according to the pressure numerical value that shows on the submersible motor 8, later observe whether bubble appears in the aquatic in 3 chambeies of water tank, then presume the resistance to pressure of motor can; because the pressure of 11 outputs of hydro-cylinder can be adjusted, so it can exert different pressure to push rod 12 according to the needs of reality, so push rod 12 can make fixed plate 7 drive connecting plate 6 and make lifter plate 4 exert different pressure to water through pressure sensor 8, so the water pressure in 3 chambeies of water tank can be adjusted, so can detect the withstand voltage leakproofness of dive motor under different water pressures, convenient to use, the limitation is low, the practicality is high.

The utility model discloses a submersible motor withstand voltage test machine, the installation mode, the connection mode or the setting mode are all common mechanical modes, and the implementation can be carried out as long as the beneficial effects can be achieved; the detachable connection between the sealing cover 5 and the lifting plate 4 can be realized by a bolt; the utility model discloses a pressure sensor 8, hydro-cylinder 11, cylinder 14 and drain valve 18 of withstand voltage test machine of dive motor are for purchasing on the market, and this industry technical staff only need according to its subsidiary instructions install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A submersible motor pressure resistance testing machine comprises a base plate (1), a support (2) and a water tank (3), wherein the water tank (3) is fixedly arranged at the upper end of the base plate (1) through the support (2), a cavity is arranged inside the water tank (3), and the upper end of the water tank (3) is provided with an opening; the automatic water tank lifting device is characterized by further comprising a lifting plate (4), a sealing cover (5), a connecting plate (6), a fixing plate (7), a pressure sensor (8), a pressing device and a lifting device, wherein the lifting plate (4) is vertically and slidably mounted in a cavity of the water tank (3), the lifting plate (4) is in sliding sealing connection with the inner side wall of the water tank (3), a taking and placing opening is formed in the lifting plate (4), the sealing cover (5) is mounted on the outer side of the taking and placing opening, the sealing cover (5) is detachably connected with the taking and placing opening, the connecting plate (6) is fixedly mounted at the upper end of the lifting plate (4), the fixing plate (7) is fixedly mounted at the upper end of the connecting plate (6), the pressure sensor (8) is fixedly mounted at the upper end of the fixing plate (7), the output end of the pressing device is connected with the upper end of the pressure sensor (8), and the lifting device is mounted on the base plate (1) and the water tank (3).

2. The submersible motor pressure resistance testing machine as claimed in claim 1, wherein the pressing device comprises a base block (9), a supporting frame (10), an oil cylinder (11) and a push rod (12), the base block (9) is fixedly mounted at the upper end of the base plate (1), the supporting frame (10) is fixedly mounted at the upper end of the base block (9), the oil cylinder (11) is fixedly mounted at the upper end of the supporting frame (10), the push rod (12) is vertically slidably mounted on the supporting frame (10), the upper end of the push rod (12) is connected with the output end of the oil cylinder (11), and the lower end of the push rod (12) is fixedly connected with the pressure sensor (8).

3. The submersible motor pressure resistance testing machine as claimed in claim 1, wherein the lifting device comprises a backing plate (13), a cylinder (14), a push rod (15) and a support plate (16), the backing plate (13) is fixedly mounted at the upper end of the base plate (1), the cylinder (14) is fixedly mounted at the upper end of the backing plate (13), the lower end of the push rod (15) is connected with the output end of the cylinder (14), the push rod (15) is slidably mounted on the water tank (3) up and down, the support plate (16) is fixedly mounted at the upper end of the push rod (15), and the support plate (16) is located in the chamber of the water tank (3).

4. The submersible motor pressure resistance testing machine according to claim 1, further comprising a drain pipe (17) and a drain valve (18), wherein the drain pipe (17) is installed at the lower portion of the water tank (3), an input end of the drain pipe (17) is communicated with the cavity of the water tank (3), the drain pipe (17) is provided with the drain valve (18), and the drain valve (18) is installed on the drain pipe (17).

5. The submersible motor pressure resistance tester as recited in claim 2, wherein the lower end of the push rod (12) is located at the center of the upper end of the pressure sensor (8).

6. The submersible motor pressure resistance tester as claimed in claim 1, wherein the water tank (3) is made of transparent plastic.

7. The submersible motor pressure resistance testing machine as claimed in claim 1, wherein the water tank (3) is provided with an access opening, and a sealing plate is arranged outside the access opening.