Device for detecting welding sealing performance of ultrahigh-pressure switch shell

Abstract

The utility model relates to the technical field of ultrahigh-voltage switch shell production detection, in particular to an ultrahigh-voltage switch shell welding sealing performance detection device which comprises a detection box, the detection box is supported above the ground through supporting columns, transparent plates are arranged on the periphery of the detection box, and a through groove is formed in the bottom face of the detection box. A groove is formed downwards in the ground, a lifting device and a closed bottom plate are arranged in the groove, the closed bottom plate seals the through groove through the lifting device, the ultrahigh-pressure switch shell is arranged on the closed bottom plate, the detection box is communicated with a water inlet pipe and a water outlet pipe controlled by an electromagnetic valve, and the water inlet pipe is communicated with a water suction pump arranged in water. According to the application, the ultrahigh-voltage switch shell can be horizontally pushed onto the closed bottom plate and then moved into the detection box, so that the situation that the ultrahigh-voltage switch cabinet is hoisted into the detection box is omitted, and sealing-off or gas leakage caused by hoisting and collision is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production detection technical field of superhigh voltage switch shell, specifically a kind of superhigh voltage switch shell welding leakproofness detection device. BACKGROUND

[0002] Superhigh voltage switch shell is generally welded part, and the leakproofness of welding position needs to meet certain index to be able to be used normally. Therefore, high voltage switch shell needs to be detected for leakproofness before being formally put into use. In prior art, water bath detection is generally used, that is, the sealed shell filled with gas is placed in water, whether bubble is generated in water is observed, if bubble is generated, it shows that the leakproofness of shell is weak, and the gas of shell leaks.

[0003] Among them, the existing mode is to place the switch shell in the water pool when water bath is entered, and since high voltage switch shell is heavy, it needs to be hoisted when being placed, and since the mass is large and the gravity is large, hoisting can easily cause certain crack at welding position, and welding can also be caused by collision, thereby affecting its leakproofness. INVENTION CONTENTS

[0004] The utility model provides a kind of superhigh voltage switch shell welding leakproofness detection device to solve the defects in prior art.

[0005] The utility model is implemented by the following technical solutions:

[0006] A kind of superhigh voltage switch shell welding leakproofness detection device, including detection box, the detection box is supported above ground by support column, and the periphery of detection box is transparent plate, and the bottom surface of detection box is provided with transverse slot;Downward recess is set in ground, and lifting device and closed bottom plate are arranged in recess, and closed bottom plate closes transverse slot by lifting device, and superhigh voltage switch shell is arranged on closed bottom plate, and detection box is connected with water inlet pipe and water outlet pipe controlled by electromagnetic valve, and water inlet pipe is communicated with water suction pump arranged in water.

[0007] In use, high pressure gas is injected into superhigh voltage switch shell first, then the top surface of closed bottom plate is flush with ground, superhigh voltage switch shell is moved horizontally to closed bottom plate, then lifting device is started, lifting device moves upward to drive closed bottom plate to move upward, thereby sealing detection box while superhigh voltage shell is moved to detection box, then water is injected into detection box and makes water flood superhigh voltage shell, whether bubble is observed, since the periphery of detection box is transparent plate, so that air leakage point can be observed, after detection is completed, water in detection box is discharged by water outlet pipe, then closed bottom plate is moved downward by lifting device, and superhigh voltage shell is removed.

[0008] As preferred, the closed bottom plate comprises a fixedly connected upper closed layer and lower bottom plate, the upper closed layer is a rubber layer and is matched with the through groove; the lifting device is a lifting cylinder arranged on both sides of the closed bottom plate, the upper end of the lifting cylinder is fixedly connected with the bottom surface of the lower bottom plate, and the lower end is perpendicularly connected with the inner wall of the groove bottom surface.

[0009] As preferred, the water inlet pipe is arranged in two and vertically arranged on the closed bottom plate and penetrates the closed bottom plate, the lower end of the water inlet pipe is communicated with a horizontal pipe with two ends closed, one end of a spring pipe is vertically communicated with the horizontal pipe, one end of a connecting pipe is communicated with the other end of the spring pipe, the connecting pipe is communicated with a water suction pump, and the water suction pump is located in the water storage pool. The water suction pump can suck water from the water storage pool, and the water enters the water inlet pipe through the spring pipe, wherein the spring pipe can meet the water inlet while moving up and down with the closed bottom plate.

[0010] As preferred, the water storage pool is located underground, the connecting pipe is downwardly communicated with a water outlet pipe, the water outlet pipe is located in the water storage pool and is provided with an electromagnetic valve on the water outlet pipe, and the water storage pool is upwardly communicated with an exhaust pipe penetrating the ground. Opening the electromagnetic valve, the water in the detection box can flow back to the water storage pool under the action of gravity, so that the water is recycled, the water waste is reduced, and the exhaust pipe can ensure that the pressure inside and outside the water storage pool is consistent when the water flows back or is pumped.

[0011] As preferred, the exhaust pipe is fixedly provided with an umbrella-shaped blocking plate above. The blocking plate can prevent dust from entering the exhaust pipe.

[0012] As preferred, the water storage pool is provided with a water pump, one end of a water pumping pipe is communicated with the water pump, the other end of the water pumping pipe penetrates the bottom surface and is communicated with the outside, the upper part of the exhaust pipe is perpendicularly connected and communicated with a horizontal pipe, the horizontal pipe is detachably screw-connected with a water supplement pipe, and the water supplement pipe is communicated with an external water source. The water pump can pump out the water in the water storage pool, so that the fresh water is conveniently supplemented, and the water supplement pipe can supplement the water into the water storage pool through the exhaust pipe.

[0013] The application has the advantages that the super-high voltage switch cabinet can be pushed to the closed bottom plate and then moved to the detection box, so that the super-high voltage switch cabinet is hoisted into the detection box, and welding or air leakage caused by hoisting and collision is avoided. Meanwhile, the water inlet pipe is arranged on the closed bottom plate, so that water injection is more stable and observation is not affected by too many air bubbles. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the accompanying drawings required to be used in the following description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description are some embodiments of the present application, and other accompanying drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 is a structural schematic diagram of the present application;

[0016] shown in the figure:

[0017] 1, detection box, 2, closed bottom plate, 3, lifting cylinder, 4, water inlet pipe, 5, groove, 6, spring pipe, 7, water suction pump, 8, water outlet pipe, 9, water storage tank, 10, exhaust pipe, 11, water replenishment pipe, 12, water pumping pipe. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] A kind of ultra-high voltage switch shell welding leak detection device, as shown in Figure 1 It includes detection box 1, the detection box 1 is supported by support column above ground, and the detection box 1 is surrounded by transparent plate, and the bottom surface of the detection box 1 is provided with a through slot;The ground is provided with a groove 5 downwards, and the lifting device and the closed bottom plate 2 are arranged in the groove 5, and the closed bottom plate 2 closes the through slot by the lifting device, and the ultra-high voltage switch shell is arranged on the closed bottom plate 2, and the detection box 1 is communicated with the water inlet pipe 4 and the water outlet pipe 8 controlled by electromagnetic valve, and the water inlet pipe 4 is communicated with the water suction pump 7 arranged in water.

[0020] When the present application is used, high pressure gas is injected into the ultra-high voltage switch shell first, then the top surface of the closed bottom plate 2 is flush with the ground, the ultra-high voltage switch shell is transversely moved to the closed bottom plate 2, then the lifting device is started, the lifting device moves upward to drive the closed bottom plate 2 to move upward, thereby closing the detection box 1 at the same time and moving the ultra-high voltage shell to the detection box 1, then water is injected into the detection box 1 and the water is flooded to the ultra-high voltage shell, and whether there is bubble is observed, because the detection box 1 is surrounded by transparent plate, so the air leakage point can be observed, after the detection is completed, the water in the detection box 1 is discharged by the water outlet pipe 8, then the closed bottom plate 2 is moved downward by the lifting device, and the ultra-high voltage shell is moved out.

[0021] The closed bottom plate 2 comprises a fixedly connected upper closed layer and a lower bottom plate, the upper closed layer is a rubber layer and is matched with the through groove; the lifting device is a lifting cylinder 3 arranged on both sides of the closed bottom plate 2, the upper end of the lifting cylinder 3 is fixedly connected with the bottom surface of the lower bottom plate, and the lower end is vertically connected with the inner wall of the bottom surface of the groove 5. The extension of the lifting cylinder 3 drives the upward movement of the closed bottom plate 2, and the shortening of the lifting cylinder 3 drives the downward movement of the closed bottom plate 2.

[0022] The water inlet pipe 4 is arranged in two and vertically arranged on both sides of the closed bottom plate 2, the water inlet pipe 4 penetrates the closed bottom plate 2, the upper end of the water inlet pipe is a tapered port with a wide upper end and a narrow lower end, the lower end of the water inlet pipe 4 is vertically connected and communicated with the two end-closed horizontal pipes, one end of the spring pipe 6 is communicated with the downward horizontal pipe, the other end of the spring pipe 6 is communicated with one end of the connecting pipe, the connecting pipe is communicated with the water suction pump 7, the water suction pump 7 is located in the water storage tank 9, the water storage tank 9 is located underground, the connecting pipe is downward communicated with the water outlet pipe 8, the water outlet pipe 8 is located in the water storage tank 9 and the electromagnetic valve is arranged on the water outlet pipe 8, the water storage tank 9 is upward communicated with the exhaust pipe 10 which penetrates the ground. The water suction pump 7 can suck water from the water storage tank 9, the water enters the water inlet pipe 4 through the spring pipe 6, wherein the spring pipe 6 can meet the water inlet at the same time and follow the upward and downward movement of the closed bottom plate 2. When the electromagnetic valve is opened, the water in the detection box 1 can flow back to the water storage tank 9 under the action of gravity, thereby realizing recycling use, reducing water waste, and the exhaust pipe 10 can ensure that the pressure inside and outside the water storage tank 9 is consistent when the water is flowing back or pumping.

[0023] The umbrella-shaped blocking plate is fixedly arranged above the exhaust pipe 10. The blocking plate can prevent dust from entering the exhaust pipe 10.

[0024] The water storage tank 9 is provided with a water pump, one end of the water pump is communicated with the water suction pipe 12, the other end of the water suction pipe 12 penetrates the bottom surface and is communicated with the outside, the upper part of the exhaust pipe 10 is vertically connected and communicated with the horizontal pipe, the horizontal pipe is detachably screw-connected with the water supplement pipe 11, and the water supplement pipe 11 is communicated with the external water source. The water pump can pump out the water in the water storage tank 9, which is convenient for better new water, and the water supplement pipe 11 can supplement the water into the water storage tank 9 through the exhaust pipe 10.

[0025] The use of the present application can push the ultra-high voltage switch shell to the closed bottom plate 2, and then move to the detection box 1, thereby saving the lifting of the ultra-high voltage switch cabinet to the detection box 1, and avoiding the welding and gas leakage caused by lifting and collision. At the same time, the water inlet pipe 4 is arranged on the closed bottom plate 2, and the water injection is more stable, avoiding too many bubbles during water injection to affect observation.

[0026] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An ultrahigh voltage switch housing weld seal integrity testing device, characterized by: The utility model provides a detection box, the detection box is supported above ground through support column, the four sides of detection box are transparent board, the bottom surface of detection box is provided with the transverse slot, the ground is provided with the recess downwards, the recess is provided with lifting device and closed bottom plate, the closed bottom plate closes the transverse slot through lifting device, the ultra -high voltage switch casing is arranged on the closed bottom plate, the detection box is connected with the water inlet pipe and the water outlet pipe controlled through electromagnetic valve, the water inlet pipe is connected with the water pump arranged in the water.

2. The ultra-high voltage switch housing weld seal integrity testing apparatus of claim 1, wherein: The closed bottom plate includes a fixedly connected upper sealing layer and a lower bottom plate, the upper sealing layer is a rubber layer and is adapted to the transverse slot; the lifting device is a lifting cylinder arranged on both sides of the closed bottom plate, the upper end of the lifting cylinder is fixedly connected to the bottom surface of the lower bottom plate, and the lower end is perpendicularly connected to the inner wall of the bottom surface of the recess.

3. The ultrahigh voltage switch housing weld seal integrity testing apparatus of claim 2, wherein: The water inlet pipe is provided with two and is vertically arranged on the closed bottom plate and penetrates the closed bottom plate, the lower end of the water inlet pipe is connected to a horizontal pipe with both ends closed, one end of a spring pipe is vertically connected to the horizontal pipe, one end of a connecting pipe is connected to the other end of the spring pipe, the connecting pipe is connected to a water pump, and the water pump is located in a water storage tank.

4. The ultrahigh voltage switch housing weld seal integrity testing apparatus of claim 3, wherein: The water storage tank is located underground, the connecting pipe is downwardly connected to a water outlet pipe, the water outlet pipe is located in the water storage tank and is provided with an electromagnetic valve on the water outlet pipe, and the water storage tank is upwardly connected to an exhaust pipe which penetrates the ground.

5. The ultrahigh voltage switch housing weld seal integrity testing apparatus of claim 4, wherein: An umbrella-shaped baffle is fixedly arranged above the exhaust pipe.

6. The ultrahigh voltage switch housing weld seal integrity testing apparatus of claim 5, wherein: A water pump is arranged in the water storage tank, one end of a water suction pipe is connected to the water pump, the other end of the water suction pipe penetrates the bottom surface and is connected to the outside, the upper part of the exhaust pipe is perpendicularly connected and connected to a horizontal pipe, the horizontal pipe is detachably screw-connected to a water supplement pipe, and the water supplement pipe is connected to an external water source.

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