CN109974948B - Detection equipment for detecting sealing performance of water-cooling motor shell - Google Patents
Detection equipment for detecting sealing performance of water-cooling motor shell Download PDFInfo
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- CN109974948B CN109974948B CN201910326400.4A CN201910326400A CN109974948B CN 109974948 B CN109974948 B CN 109974948B CN 201910326400 A CN201910326400 A CN 201910326400A CN 109974948 B CN109974948 B CN 109974948B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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Abstract
The invention discloses detection equipment for detecting the sealing performance of a water-cooled motor shell, which comprises a detection water tank and a top cover arranged at the top of the detection water tank, wherein a liquid conveying pipe is arranged at the bottom of the detection water tank, a liquid storage tank is arranged on one side of the detection water tank, and the liquid conveying pipe is communicated with the liquid storage tank; the top cover comprises a left top cover and a right top cover, the infusion tube is provided with an automatic opening and closing device, and the top cover is provided with a sealing device; a gas transmission pipe is arranged on the side wall of the detection water tank and used for transmitting carbon dioxide, the liquid in the liquid storage tank is alkaline solution, and the liquid in the detection water tank is phenolphthalein test solution; through the reaction of phenolphthalein test solution and alkaline solution, make the solution color in the detection pond change, be convenient for judge whether there is the gas leakage phenomenon in the motor casing through the change of liquid color.
Description
Technical Field
The invention belongs to the technical field of motor production equipment, and particularly relates to detection equipment for detecting the sealing performance of a water-cooled motor shell.
Background
The water-cooled high-temperature resistant special variable frequency motor is an internal circulation water-cooled variable frequency speed control special motor which is developed and designed according to the working conditions of a metallurgical continuous casting machine and a cogging site on the basis of variable frequency speed control, special roller beds, multi-speed motors for furnaces and the like. The frequency conversion speed regulation system is suitable for high-temperature environments. Its advantages are wide speed regulation range, stable running, high reliability and efficiency, and novel and beautiful appearance. Because the water-cooled motor needs to be cooled by water, a sealed cavity is usually arranged on the shell of the water-cooled motor and is used for water flow to pass through, so that the water-cooled motor has a cooling effect. Therefore, the sealing performance of the sealed cavity becomes very important, and the normal work of the motor cannot be influenced when the motor is cooled by water flow, so that the shell of the water-cooled motor needs to be detected before the motor leaves a factory, and the safety of the motor is improved. In the equipment that current detects water-cooling motor casing, can't comparatively audio-visual observation motor casing whether have the situation of revealing, the influence is to the efficiency that motor casing detected.
Disclosure of Invention
The invention provides a detection device for detecting the tightness of a water-cooling motor shell, which is convenient to observe and overcomes the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a detection device for detecting the sealing performance of a water-cooled motor shell comprises a detection water tank and a top cover arranged at the top of the detection water tank, wherein a liquid conveying pipe is arranged at the bottom of the detection water tank, a liquid storage tank is arranged on one side of the detection water tank, and the liquid conveying pipe is communicated with the liquid storage tank; the top cover comprises a left top cover and a right top cover, the infusion tube is provided with an automatic opening and closing device, and the top cover is provided with a sealing device; a gas transmission pipe is arranged on the side wall of the detection water tank and used for transmitting carbon dioxide, the liquid in the liquid storage tank is alkaline solution, and the liquid in the detection water tank is phenolphthalein test solution; the color of the solution in the detection water tank is changed through the reaction of the phenolphthalein test solution and the alkaline solution, so that whether the motor shell leaks gas or not can be judged conveniently through the change of the color of the liquid; the pH value in the test solution is changed by introducing carbon dioxide, so that the test solution is recovered to a colorless state, the test solution is convenient to use for a plurality of times, the environment is protected, and the detection efficiency of the motor shell is improved.
Preferably, the infusion tube is also provided with a backflow prevention device, and a water through hole is arranged above the backflow prevention device; the backflow prevention device prevents the solution in the detection water tank from flowing into the infusion tube and entering the liquid storage tank to cause the invalidation of the alkaline solution due to the mixing of the alkaline solution, and the waste of the alkaline solution is avoided.
Preferably, the automatic opening and closing device comprises a base plate arranged on the side wall of the infusion tube, a fixed plate arranged on the base plate and a movable rod capable of moving up and down and arranged below the base plate, a first sealing gasket is arranged on one side of the fixed plate, and a fixing assembly for fixing the first sealing gasket is arranged in the fixed plate; control the transfer line through automatic device that opens and shuts, make the transfer line be in the closed condition when motor casing does not put into the detection pond, be in the open mode after motor casing puts into the detection pond, reduce the process that detects motor casing, be convenient for to the short-term test of motor casing.
Preferably, the fixing assembly comprises a first movable cavity arranged on the fixing plate, a movable block arranged on the bottom surface of the first sealing gasket and a fixed spring arranged in the first movable cavity, and a waterproof sleeve is arranged on the outer side of the fixed spring; the fixing component is used for fixing the motor shell and sealing a sealing cavity on the motor shell, so that the influence of the outflow of alkaline solution from the sealing cavity on the detection result is avoided; the waterproof sleeve plays a role in protecting the fixed spring, so that the fixed spring is separated from the solution, and the service life of the fixed spring is prolonged.
Preferably, a second movable cavity is formed in the bottom of the detection water pool, the movable rod is arranged in the second movable cavity, a first magnetic block is arranged at the bottom of the movable rod, and a second magnetic block is arranged at the bottom of the second movable cavity; the first magnetic block and the second magnetic block are magnetically repelled, and the movable rod is pushed to move upwards under the action of the magnetic force of the first magnetic block and the second magnetic block, so that the water through hole is blocked by the base plate when the motor is not placed in the detection water tank, and the solution is prevented from flowing into the infusion tube; through the repulsion effect of first magnetic path and second magnetic path, make better the sealed effect of backing plate to motor casing when motor casing places the backing plate, avoid alkaline solution to reveal the testing result that influences motor casing from sealed cavity.
Preferably, the backflow prevention device comprises a turnover plate arranged on the inner wall of the infusion tube, a baffle plate arranged below the turnover plate and a second connecting rod used for fixing the baffle plate; when the test solution enters the infusion tube from the water through hole, the turnover plate is pushed to be turned over, and the turnover plate is in sealing fit with the baffle after contacting the baffle, so that the test solution cannot flow into the infusion tube; when the alkaline solution flows out of the infusion tube, the alkaline solution pushes the turnover plate to turn upwards, so that the turnover plate opens the gap to facilitate the alkaline solution to flow out; the waste of alkaline solution caused by the backflow of the solution into the liquid storage tank is avoided.
Preferably, the sealing device comprises a third movable cavity respectively arranged at the bottom surfaces of the left top cover and the right top cover, a sealing plate arranged in the third movable cavity and a push plate arranged above the sealing plate, and driving parts for driving the push plate to do lifting motion are respectively arranged at the top parts of the left top cover and the right top cover; the driving piece drives the push plate to move, so that the sealing plate can be driven to move, the sealing cavity is sealed through the sealing plate, and the alkaline solution is prevented from leaking from the joint of the sealing cavity and the sealing plate to influence the detection result of the motor shell; through sealing device to motor casing's fixed action, make motor casing and backing plate form inseparabler cooperation, increase the sealed effect of sealed cavity and backing plate.
Preferably, a second sealing gasket is arranged on the bottom surface of the sealing plate, a sealing assembly is arranged on the bottom surface of the second sealing gasket, the sealing assembly comprises a third sealing gasket and a fourth sealing gasket which are arranged on the bottom surface of the second sealing gasket, a connecting spring for connecting the third sealing gasket and the fourth sealing gasket, a third connecting rod arranged at the bottom of the third sealing gasket and a fourth connecting rod arranged at the bottom of the fourth sealing gasket, and the third connecting rod is movably connected with the fourth connecting rod; when the closing plate contacted with motor casing, sealing assembly inserted in the sealed cavity, through the swing joint of third connecting rod and fourth connecting rod, the sealed compression coupling spring of third sealed pad and fourth contacted with sealed cavity inner wall, promoted sealing assembly to sealed cavity's sealed effect, avoided alkaline solution to reveal from sealed cavity in influencing the testing result.
Preferably, one side of the base plate is provided with a first connecting block, one side of the first connecting block is provided with a first sliding block, and the side wall of the infusion tube is provided with a first sliding groove matched with the first sliding block; a blocking plate is arranged at the top of the infusion tube, and a water permeable hole is formed in the blocking plate; through the mutual matching of the first sliding block and the first sliding groove, the base plate can move more stably under the gravity of the motor shell, so that the base plate is ensured to be mutually matched with the infusion tube in the moving process, and the base plate is prevented from being disconnected from the infusion tube; make the alkaline solution who flows out from the limbers through the hole of permeating water and enter into sealed cavity, make the solution in the sealed cavity become red, be convenient for observe the testing result.
Preferably, the right top cover is provided with a second connecting block, the bottom of the second connecting block is provided with a convex block, the left top cover is provided with a connecting groove matched with the second connecting block, and a groove matched with the convex block is arranged in the connecting groove; through the cooperation of second connecting block and second spread groove, increase the connection effect of right top cap and left top cap, make left top cap and right top cap mutually support and form good sealed effect, the push pedal of being convenient for drives the closing plate and removes.
The invention has the following advantages: the color of the solution in the detection water tank is changed through the reaction of the phenolphthalein test solution and the alkaline solution, so that whether the motor shell leaks gas or not can be judged conveniently through the change of the color of the liquid; the pH value in the solution is changed by introducing carbon dioxide, so that the solution is recovered to a colorless state, the solution is convenient to use for multiple times, the environment is protected, and the detection efficiency of the motor shell is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is an enlarged view of fig. 3 at C.
Fig. 5 is an enlarged view of fig. 3 at D.
Fig. 6 is a top view of the left cap of the present invention.
Fig. 7 is a top view of the right cap of the present invention.
FIG. 8 is a side view of a second connecting rod of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, a detection device for detecting the sealing performance of a water-cooling motor shell comprises a detection water tank 1 and a top cover arranged at the top of the detection water tank 1, wherein a liquid conveying pipe 13 is arranged at the bottom of the detection water tank 1, a liquid storage tank 4 is arranged on one side of the detection water tank 1, and the liquid conveying pipe 13 is communicated with the liquid storage tank 4; the liquid conveying pipe is provided with a water pump 139, so that the liquid in the liquid storage tank can be conveniently conveyed to the detection water tank through the liquid conveying pipe; the top cover comprises a left top cover 21 and a right top cover 22, the left top cover and the right top cover are respectively hinged with the side wall of the detection water tank, and the left top cover and the right top cover can be turned over around the hinged point, so that the detection water tank is opened to be convenient for the motor shell 3 to be placed in; the left top cover and the right top cover are matched with each other to form a through hole 24, an observation window is arranged on the side wall of the detection water tank, the inside of the motor shell and the outside of the motor shell can be observed through the through hole and the observation window respectively, and the tightness of the motor shell can be judged easily through a direct observation mode; an automatic opening and closing device is arranged on the infusion tube 13, and a sealing device is arranged on the top cover; the detection device is characterized in that a gas conveying pipe 11 is arranged on the side wall of the detection water tank 1, carbon dioxide is conveyed in the gas conveying pipe 11, liquid in the liquid storage tank 4 is alkaline solution, the liquid in the detection water tank 1 is phenolphthalein test solution, and the alkaline solution can be ammonia water.
When the motor shell is detected, a water inlet and a water outlet on the motor shell are blocked, the motor shell is placed into a detection water pool under the action of a manipulator, a sealed cavity 31 on the motor shell is aligned with a liquid conveying pipe for arrangement, and the automatic opening and closing device is opened under the action of the motor shell to enable the liquid conveying pipe to be communicated with the sealed cavity; the sealing device has a sealing effect on the top of the sealing cavity, so that the sealing cavity is in a sealing state, and simultaneously has a fixing effect on the motor shell, so that the motor shell is stably placed in the detection water pool; introducing an alkaline solution into the sealed cavity under the action of the water pump to dye the solution in the sealed cavity, observing the outer side and the inner side of the motor shell through the observation window and the through hole, and judging the sealing effect of the motor shell according to the color change condition of the solution; after finishing detecting motor casing, turn over a left top cap and a right top cap up round the pin joint, take out motor casing from detecting the pond through the manipulator, automatic switching device plugs up the transfer line, coloured solution in the sealed cavity is sneaked into in the detection pond, let in carbon dioxide toward detecting the pond, make carbon dioxide and water become acid and phenolphthalein test solution in alkaline solution go on with, get rid of the hydroxyl ion in the test solution, just become colourless messenger at the test solution and stop letting in carbon dioxide in to the test solution, be convenient for phenolphthalein test solution's repetitious usage, do benefit to the environmental protection, promote the detection efficiency to motor casing.
The infusion tube 13 is also provided with a backflow prevention device, a water through hole 133 is arranged above the backflow prevention device, the top of the infusion tube 13 is provided with a blocking plate 131, and the blocking plate 131 is provided with a water through hole 132; the backflow prevention device prevents the solution in the detection water tank from flowing into the infusion tube and entering the liquid storage tank to mix with the alkaline solution to cause the invalidation of the alkaline solution, and avoids the waste of the alkaline solution; when the automatic opening and closing device opens the water through holes, the liquid conveying pipe leads alkaline solution in the liquid storage tank into the sealed cavity, the alkaline solution flowing out of the water through holes permeates into the sealed cavity through the water through holes, so that color of test solution in the sealed cavity is changed, and the tightness of the motor shell is judged by observing the colors of the test solution on the inner side and the outer side of the motor shell; the baffle plate plays a role in closing the infusion tube, so that the top of the infusion tube is closed by the baffle plate, and the waste of alkali liquor caused by the fact that a large amount of test solution is filled into the infusion tube and enters the liquid storage tank is avoided.
The automatic opening and closing device comprises a base plate 52 arranged on the side wall of the infusion tube 13, a fixed plate 53 arranged on the base plate 52 and a movable rod 56 which is arranged below the base plate 52 and can move up and down, wherein a first connecting block 51 is arranged on one side of the base plate 52, a fifth sealing gasket 522 is arranged at the top of the base plate, a sixth sealing gasket 521 is arranged at the bottom of the base plate, the sealing effect of the base plate and the motor shell is improved through the action of the fifth sealing gasket, and the colored test solution in the sealed cavity is prevented from leaking from the connecting part of the base plate and the motor shell to influence the; a first sealing gasket 54 is arranged on one side of the fixing plate 53, and a fixing component for fixing the first sealing gasket 54 is arranged in the fixing plate 53.
A first sliding block 55 is arranged on one side of the first connecting block 51, and a first sliding groove 138 matched with the first sliding block 55 is arranged on the side wall of the infusion tube 13; the water through hole is formed in the first sliding groove, when the motor shell is not placed in the detection water tank, the base plate and the water through hole are located on the same plane under the action of the movable rod, the water through hole is blocked through the first sliding block, and waste of alkali liquor caused by the fact that test solution enters the liquid storage tank from the water through hole is avoided; through the mutual matching of the first sliding block and the first sliding groove, the base plate can move more stably under the gravity of the motor shell, so that the base plate is ensured to be mutually matched with the infusion tube in the moving process, and the base plate is prevented from being disconnected from the infusion tube; make the alkaline solution who flows out from the limbers through the hole of permeating water and enter into sealed cavity, make the solution in the sealed cavity become red, be convenient for observe the testing result.
The fixing component comprises a first movable cavity 531 arranged on the fixing plate 53, a movable block 541 arranged on the bottom surface of the first sealing gasket 54 and a fixed spring 5311 arranged in the first movable cavity 531, a waterproof sleeve 5312 is arranged on the outer side of the fixed spring 5311, the waterproof sleeve is made of synthetic resin, and a plurality of folds are arranged on the surface of the waterproof sleeve, so that the waterproof sleeve does not influence the telescopic motion of the fixed spring when the waterproof sleeve plays a protection role on the fixed spring; the movable block can move along the inner wall of the first movable cavity, one end of the fixed spring is fixedly connected with the bottom of the first movable cavity, and the other end of the fixed spring is fixedly connected with the bottom of the movable block; the distance between the first sealing gasket and the infusion tube is smaller than the width of the side wall of the sealing cavity, and the top of the first sealing gasket is obliquely arranged so that the motor shell can be conveniently arranged on the base plate; when packing into motor casing on the backing plate, sealed cavity lateral wall contacts with first sealed the pad, promotes first sealed pad and moves towards the outside, makes fixed spring be in compression state, promotes the sealed effect of first sealed pad to motor casing.
A second movable cavity 14 is arranged at the bottom of the detection water tank 1, the movable rod 56 is arranged in the second movable cavity 14, a first magnetic block 561 is arranged at the bottom of the movable rod 56, and a second magnetic block 141 is arranged at the bottom of the second movable cavity 14; the first magnetic block and the second magnetic block are magnetically repelled, and the movable rod is pushed to move upwards under the action of the magnetic force of the first magnetic block and the second magnetic block, so that the water through hole is blocked by the base plate when the motor is not placed in the detection water tank, and the solution is prevented from flowing into the infusion tube; through the repulsion effect of first magnetic path and second magnetic path, make better the sealed effect of backing plate to motor casing when motor casing places the backing plate, avoid alkaline solution to reveal the testing result that influences motor casing from sealed cavity.
When the motor shell is placed into a detection water tank through a manipulator, a motor sealing cavity is aligned with a liquid conveying pipe and placed, the side wall of the sealing cavity is placed on a base plate, the base plate is pressed downwards under the action of gravity of the motor shell, a first sliding block moves downwards along a first sliding groove, a first magnetic block moves downwards along a second movable cavity, the first sliding block moves to the bottom of the first sliding groove, a water through hole is opened, the second magnetic block always has an upward force on a movable rod through the magnetic action of the first magnetic block and the second magnetic block, the first sealing gasket is contacted with the motor shell, the sealing effect of the base plate and the motor shell is improved, the bottom of the sealing cavity is in a sealing state, and liquid in the sealing cavity is separated from liquid outside the sealing cavity through the cooperation of a sealing device; the alkali liquor flows out from the water through holes and permeates into the test solution in the sealed cavity through the water through holes, so that the color of the test solution is changed, and the tightness of the motor shell is judged by observing the color of the test solution outside the sealed cavity; the motor shell is closed when not put into the detection pool through the automatic opening and closing device, so that the test solution is prevented from entering the water delivery pipe; when the motor shell is placed into the detection water tank, the infusion tube is naturally opened under the action of the motor shell, the sealing of the water through hole is controlled by adopting a mechanical principle, the equipment cost is reduced, and the opening and closing of the water through hole are simpler and more convenient.
The backflow preventing device comprises a turnover plate 134 arranged on the inner wall of the infusion tube 13, a baffle plate 135 arranged below the turnover plate 134 and a second connecting rod 137 used for fixing the baffle plate 135, wherein the turnover plate is made of rubber materials, and is easy to turn over under the action of solution pressure; the bottom of the baffle is provided with a first connecting rod 136 which is fixedly connected with a second connecting rod which is fixedly connected on the inner wall of the infusion tube; when the motor shell is placed in a detection water tank, the motor shell pushes the base plate to move downwards under the action of gravity, the first sliding block moves along the first sliding groove, the water through hole is in a slowly opened state at the moment, a part of test solution enters the infusion tube through the water through hole, after the test solution enters the infusion tube, the test solution moves downwards to push the turnover plate, the turnover plate is turned downwards to be in contact with the baffle plate, the turnover plate and the baffle plate are in mutual contact, the turnover plate and the baffle plate form a sealing effect, the infusion tube is sealed, and the test solution cannot enter the infusion tube; after the motor shell is placed and is accomplished the back, in letting in the alkali lye of liquid reserve tank to the transfer line under the effect of water pump, alkali lye flows out from the inside of transfer line, promotes to turn over a board and turns over upward, makes to turn over a board and throw off the contact with the baffle, opens the infusion mouth of pipe, and the alkali lye of being convenient for flows into sealed cavity in from limbers department, promotes the effect that detects motor shell.
The sealing device comprises a third movable cavity 25 respectively arranged on the bottom surfaces of the left top cover 21 and the right top cover 22, a sealing plate 251 arranged in the third movable cavity 25 and a push plate 231 arranged above the sealing plate 251, and driving members 23 used for driving the push plate 231 to move up and down are respectively arranged on the tops of the left top cover 21 and the right top cover 22; the driving piece is an air cylinder arranged on the left top cover and the right top cover; a piston rod of the air cylinder is fixedly connected with the push plate, sixth sealing gaskets 232 are arranged on two sides of the push plate, and the air tightness between the push plate and the inner wall of the third movable cavity is improved through the sixth sealing gaskets; two sides of the sealing plate are respectively provided with a second sliding block 253, the inner wall of the third movable cavity is provided with a second sliding groove 254 matched with the second sliding block, and the second sliding groove has a limiting effect on the second sliding block, so that the second sliding block slides to the bottom of the second sliding groove and cannot slide out of the second sliding groove, and the sealing plate is prevented from falling out of the second movable cavity; make the sealed effect of closing plate to motor casing more steady through what second spout and second slider removed, increase the closing plate.
After motor casing was placed in detecting the pond, turn over a left side top cap and right top cap round the pin joint, top cap mutually supports the lid on detecting the pond about making, the cylinder promotes the push pedal and moves down, down promote the air current of third activity intracavity when the downstream, make the closing plate move down along third activity chamber under the effect at atmospheric pressure, contact with motor casing and form sealed effect, play sealed effect to sealed cavity, the test solution after avoiding discolouing influences the testing result from sealed cavity top outflow.
The bottom surface of the sealing plate 251 is provided with a second sealing gasket 252, the bottom surface of the second sealing gasket 252 is provided with a sealing assembly, the sealing assembly comprises a third sealing gasket 2521 and a fourth sealing gasket 2525 which are arranged on the bottom surface of the second sealing gasket 252, a connecting spring 2522 for connecting the third sealing gasket 2521 with the fourth sealing gasket 2525, a third connecting rod 2523 arranged at the bottom of the third sealing gasket 2521 and a fourth connecting rod 2524 arranged at the bottom of the fourth sealing gasket 2525, the third connecting rod 2523 is movably connected with the fourth connecting rod 2524, the third connecting rod is hinged with the end part of the fourth connecting rod to form a conical structure, the width of the third sealing gasket and the fourth sealing gasket is larger than the diameter of the sealing cavity, when the sealing plate moves downwards under the action of the push plate, one end of the third connecting rod and one end of the fourth connecting rod enter the sealing cavity, and the third connecting rod and the fourth connecting rod are in contact with the inner wall, under the extrusion of the inner wall of the sealed cavity, the third connecting rod and the fourth connecting rod rotate around a hinge point, so that the third sealing gasket and the fourth sealing gasket are close to each other, and the connecting spring is compressed, so that the third sealing gasket and the fourth sealing gasket are in contact with the inner wall of the sealed cavity; through the elastic force effect of the connecting spring, the third sealing gasket and the fourth sealing gasket are in closer contact with the inner wall of the sealing cavity, the sealing effect of the sealing assembly on the sealing cavity is increased, and the reliability of the device is improved.
A second connecting block 221 is arranged on the right top cover 22, a convex block 222 is arranged at the bottom of the second connecting block 221, a connecting groove 211 matched with the second connecting block 221 is arranged on the left top cover 21, and a groove 212 matched with the convex block 222 is arranged in the connecting groove 211; the convex block is made of rubber materials, and the contact area between the second connecting block and the connecting groove is increased through the contact between the convex block and the groove, so that the air tightness of the mutual matching of the left top cover and the right top cover is increased; when the top cap turns over down the cooperation about will, left side top cap overturns earlier, then the right side top cap that overturns makes the second connecting block arrange the spread groove top in, accomplishes the cooperation of second connecting block and spread groove, forms good sealed effect, and the push pedal of being convenient for drives the closing plate and removes.
The first sealing gasket, the second sealing gasket, the third sealing gasket, the fourth sealing gasket, the fifth sealing gasket and the sixth sealing gasket are all made of rubber.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A detection device for detecting the sealing performance of a water-cooling motor shell comprises a detection water tank (1) and a top cover arranged at the top of the detection water tank (1), wherein a liquid conveying pipe (13) is arranged at the bottom of the detection water tank (1), a liquid storage tank (4) is arranged on one side of the detection water tank (1), and the liquid conveying pipe (13) is communicated with the liquid storage tank (4); the top cap includes left top cap (21) and right top cap (22), its characterized in that: an automatic opening and closing device is arranged on the infusion tube (13), and a sealing device is arranged on the top cover; the side wall of the detection water tank (1) is provided with a gas conveying pipe (11), carbon dioxide is conveyed in the gas conveying pipe (11), liquid in the liquid storage tank (4) is alkaline solution, and liquid in the detection water tank (1) is phenolphthalein test solution;
the infusion tube (13) is also provided with a backflow prevention device, and a water through hole (133) is arranged above the backflow prevention device;
the automatic opening and closing device comprises a base plate (52) arranged on the side wall of the infusion tube (13), a fixed plate (53) arranged on the base plate (52) and a movable rod (56) which is arranged below the base plate (52) and can move up and down, a first sealing gasket (54) is arranged on one side of the fixed plate (53), and a fixing component for fixing the first sealing gasket (54) is arranged in the fixed plate (53);
the fixed assembly comprises a first movable cavity (531) arranged on the fixed plate (53), a movable block (541) arranged on the bottom surface of the first sealing gasket (54) and a fixed spring (5311) arranged in the first movable cavity (531), and a waterproof sleeve (5312) is arranged on the outer side of the fixed spring (5311);
a second movable cavity (14) is formed in the bottom of the detection water pool (1), the movable rod (56) is arranged in the second movable cavity (14), a first magnetic block (561) is arranged at the bottom of the movable rod (56), and a second magnetic block (141) is arranged at the bottom of the second movable cavity (14);
the backflow prevention device comprises a turnover plate (134) arranged on the inner wall of the infusion tube (13), a baffle plate (135) arranged below the turnover plate (134) and a second connecting rod (137) used for fixing the baffle plate (135);
a first connecting block (51) is arranged on one side of the backing plate (52), a first sliding block (55) is arranged on one side of the first connecting block (51), and a first sliding groove (138) matched with the first sliding block (55) is arranged on the side wall of the infusion tube (13); a blocking plate (131) is arranged at the top of the infusion tube (13), and a water permeable hole (132) is formed in the blocking plate (131).
2. A testing apparatus for testing the sealability of a water-cooled motor housing according to claim 1 wherein: the sealing device comprises a third movable cavity (25) respectively arranged on the bottom surfaces of the left top cover (21) and the right top cover (22), a sealing plate (251) arranged in the third movable cavity (25) and a push plate (231) arranged above the sealing plate (251), wherein driving pieces (23) used for driving the push plate (231) to do lifting motion are respectively arranged at the tops of the left top cover (21) and the right top cover (22).
3. A testing apparatus for testing the sealability of a water-cooled motor housing according to claim 2 wherein: the bottom surface of the sealing plate (251) is provided with a second sealing gasket (252), the bottom surface of the second sealing gasket (252) is provided with a sealing assembly, the sealing assembly comprises a third sealing gasket (2521) and a fourth sealing gasket (2525) which are arranged on the bottom surface of the second sealing gasket (252), and a connecting spring (2522) for connecting the third sealing gasket (2521) with the fourth sealing gasket (2525), a third connecting rod (2523) arranged at the bottom of the third sealing gasket (2521) and a fourth connecting rod (2524) arranged at the bottom of the fourth sealing gasket (2525), wherein the third connecting rod (2523) is movably connected with the fourth connecting rod (2524).
4. A testing apparatus for testing the sealability of a water-cooled motor housing according to claim 1 wherein: be equipped with second connecting block (221) on right side top cap (22), second connecting block (221) bottom is equipped with lug (222), be equipped with on left side top cap (21) with second connecting block (221) matched with connecting groove (211), be equipped with in connecting groove (211) with lug (222) matched with recess (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326400.4A CN109974948B (en) | 2019-04-23 | 2019-04-23 | Detection equipment for detecting sealing performance of water-cooling motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326400.4A CN109974948B (en) | 2019-04-23 | 2019-04-23 | Detection equipment for detecting sealing performance of water-cooling motor shell |
Publications (2)
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| CN115615622B (en) * | 2022-10-25 | 2023-05-09 | 固安萨牌电器设备有限公司 | Water-cooled motor shell tightness detection equipment |
| CN116265891B (en) * | 2023-01-10 | 2023-08-29 | 北京科技大学 | Geological leakage plane monitoring method and device for carbon dioxide flooding oil sealing engineering |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044885A (en) * | 1973-08-24 | 1975-04-22 | ||
| CN1037216A (en) * | 1988-03-31 | 1989-11-15 | 卡尔·G·费德尔 | Quantitative carbon dioxide indicator |
| CN1444443A (en) * | 2000-04-26 | 2003-09-24 | 约翰逊父子公司 | Mosquito net treatment indicator and method |
| JP2010107476A (en) * | 2008-10-31 | 2010-05-13 | Toshihiko Kitazawa | Method for detecting gas leakage point, kit for detecting gas leakage, and sheet for detecting gas leakage |
| CN102735304A (en) * | 2011-04-07 | 2012-10-17 | 北京汇源饮料食品集团有限公司 | Device and method for detecting gas in liquid |
| CN102778341A (en) * | 2011-06-16 | 2012-11-14 | 京东方科技集团股份有限公司 | Method and device for verifying sealing effect of glass |
| CN104761954A (en) * | 2015-04-17 | 2015-07-08 | 深圳九星印刷包装集团有限公司 | Carbon-dioxide-sensitive color-shifting ink and preparation method thereof |
| CN204581948U (en) * | 2015-01-12 | 2015-08-26 | 安徽双鹤药业有限责任公司 | A kind of have the two-fold valve transfusion bag detecting leakage function |
| CN106796155A (en) * | 2015-04-03 | 2017-05-31 | 亚洲大学校产学协力团 | Discoloration sensor and its manufacture method |
| CN207779634U (en) * | 2018-02-27 | 2018-08-28 | 佛山市众益联汽车零部件有限公司 | A kind of gear box oil bottom case device for detecting performance |
| CN109596280A (en) * | 2018-12-25 | 2019-04-09 | 衢州市科诚技术开发有限公司 | A kind of sealing detection equipment of water-cooled motor shell |
-
2019
- 2019-04-23 CN CN201910326400.4A patent/CN109974948B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044885A (en) * | 1973-08-24 | 1975-04-22 | ||
| JPS5648808B2 (en) * | 1973-08-24 | 1981-11-18 | ||
| CN1037216A (en) * | 1988-03-31 | 1989-11-15 | 卡尔·G·费德尔 | Quantitative carbon dioxide indicator |
| CN1444443A (en) * | 2000-04-26 | 2003-09-24 | 约翰逊父子公司 | Mosquito net treatment indicator and method |
| JP2010107476A (en) * | 2008-10-31 | 2010-05-13 | Toshihiko Kitazawa | Method for detecting gas leakage point, kit for detecting gas leakage, and sheet for detecting gas leakage |
| CN102735304A (en) * | 2011-04-07 | 2012-10-17 | 北京汇源饮料食品集团有限公司 | Device and method for detecting gas in liquid |
| CN102778341A (en) * | 2011-06-16 | 2012-11-14 | 京东方科技集团股份有限公司 | Method and device for verifying sealing effect of glass |
| CN204581948U (en) * | 2015-01-12 | 2015-08-26 | 安徽双鹤药业有限责任公司 | A kind of have the two-fold valve transfusion bag detecting leakage function |
| CN106796155A (en) * | 2015-04-03 | 2017-05-31 | 亚洲大学校产学协力团 | Discoloration sensor and its manufacture method |
| CN104761954A (en) * | 2015-04-17 | 2015-07-08 | 深圳九星印刷包装集团有限公司 | Carbon-dioxide-sensitive color-shifting ink and preparation method thereof |
| CN207779634U (en) * | 2018-02-27 | 2018-08-28 | 佛山市众益联汽车零部件有限公司 | A kind of gear box oil bottom case device for detecting performance |
| CN109596280A (en) * | 2018-12-25 | 2019-04-09 | 衢州市科诚技术开发有限公司 | A kind of sealing detection equipment of water-cooled motor shell |
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