Performance detection device for explosion-proof distribution box

Abstract

The invention relates to the technical field of distribution box detection, in particular to a performance detection device for an explosion-proof distribution box, and the device comprises a bottom plate, damping columns, a first mounting plate, a vibration motor and the like. A plurality of damping columns which are distributed in a rectangular array are fixedly connected to the bottom plate; a mounting plate I is fixedly connected to all the damping columns; a plurality of vibration motors are fixedly connected to the lower portion of the first mounting plate. According to the performance detection device for the explosion-proof distribution box, which is obtained through the design, the strength performance of the explosion-proof distribution box is detected through the blunt, conical or multi-conical impact object, so that the strength performance data of different impact objects on the explosion-proof distribution box can be collected, the data integrity of the explosion-proof distribution box is ensured, and the reliability of the explosion-proof distribution box is improved. The explosion-proof distribution box does not need to be placed in a plurality of different detection devices for testing, a large amount of time is saved, and the diversity and detection efficiency of the detection devices are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution box detection, and in particular to a performance detection device for an explosion-proof distribution box. Background Art

[0002] An explosion-proof distribution box is a power distribution device designed for safe use in environments with flammable gases, vapors or dust. Before the explosion-proof distribution box is put into production and use, it is essential to conduct performance testing on the explosion-proof distribution box samples. During the actual use of the explosion-proof distribution box, the explosion-proof distribution box is hit by different objects, but the existing explosion-proof distribution box detection equipment can only perform strength detection on the explosion-proof distribution box through a single impact object, and cannot perform strength detection on the explosion-proof distribution box through different impact objects, which leads to the strength detection data of the explosion-proof distribution box being not comprehensive and accurate. In order to ensure the comprehensiveness and accuracy of the detection data, the explosion-proof distribution box needs to be placed in multiple detection devices for strength detection, which not only increases the detection operation steps during the detection process, but also takes a lot of time. Summary of the invention

[0003] The purpose of the present invention is to overcome the problem that the existing detection equipment can only perform strength detection on the explosion-proof distribution box through a single impact object, and cannot perform strength detection on the explosion-proof distribution box through different impact objects, which leads to the strength detection data of the explosion-proof distribution box being not comprehensive and accurate. In order to ensure the comprehensiveness and accuracy of the detection data, the explosion-proof distribution box needs to be placed in multiple detection devices for strength detection, which not only increases the detection operation steps during the detection process, but also requires a lot of time. A detection device is provided, which can perform strength performance detection and environmental performance detection on the explosion-proof distribution box, saving a lot of time.

[0004] Another object of the present invention is to provide a performance detection device for an explosion-proof distribution box having the above-mentioned functions.

[0005] The embodiment of the present invention is realized by the following technical scheme: a performance detection device for explosion-proof distribution box, comprising a bottom plate, a shock-absorbing column, a mounting plate 1 and a vibration motor; a plurality of shock-absorbing columns distributed in a rectangular array are fixedly connected to the bottom plate; a mounting plate 1 is fixedly connected to all shock-absorbing columns; a plurality of vibration motors are fixedly connected to the lower part of the mounting plate 1; a barrel, a fixing seat, an impactor, a pushing assembly, a power assembly, a mounting plate 2, a rotating assembly, a swinging assembly and an electric clamper are also included; a barrel is fixedly connected to the mounting plate 1; a plurality of fixing seats distributed in a ring array are fixedly connected to the upper part of the inner ring surface of the barrel; each Each fixed seat is rotatably connected to an impactor through a rotating shaft, and the shapes of the three impactors are respectively blunt, single-cone and multi-cone; the lower part of the inner ring surface of the barrel is connected to a pushing component for adjusting the angle of the impactor; the first mounting plate is connected to a power component; the second mounting plate is connected to the power component; the second mounting plate is connected to a rotating component for rotating with an explosion-proof distribution box; the rotating component is connected to a swinging component for swinging with the explosion-proof distribution box; the swinging component is connected to an electric clamp; the power component is used to drive the second mounting plate, the rotating component, the swinging component and the electric clamp to move forward together.

[0006] As a preferred technical solution of the present invention, the pushing assembly includes an electric push rod 1, a circular ring, an electric push rod 2 and a support plate; a plurality of electric push rods 1 distributed in a circular array are fixedly connected to the lower part of the inner ring surface of the barrel; the telescopic parts of the plurality of electric push rods 1 are commonly fixedly connected to the circular ring; an inclined surface is provided on the circular ring, and the inclined surface contacts the side of the three impact objects facing the barrel; a plurality of electric push rods 2 are fixedly connected to the inner bottom wall of the barrel; the telescopic parts of the electric push rod 2 are commonly rotatably connected to the support plate.

[0007] As a preferred technical solution of the present invention, the rotating assembly includes a fixed plate, motor one, a spur gear, a turntable and a gear ring; the upper surface of the mounting plate two is fixedly connected to the fixed plate; motor one is fixedly connected to the fixed plate; the output shaft of motor one is fixedly connected to the spur gear; the middle part of the mounting plate two is rotatably connected to the turntable; the upper part of the turntable is fixedly connected to the gear ring; the spur gear is meshed with the gear ring.

[0008] As a preferred technical solution of the present invention, the swing assembly includes a connecting column, a universal joint, a connecting plate, an electric push rod and a connecting block; the lower surface of the turntable is fixedly connected with the connecting column; the universal joint is fixedly connected to the connecting column; the universal joint is fixedly connected to the connecting plate; the electric push rod is fixedly connected to the rear part of the lower surface of the turntable; the telescopic part of the electric push rod is fixedly connected to the connecting block; the connecting block is fixedly connected to the lower end of the universal joint.

[0009] As a preferred technical solution of the present invention, the fixing seat and the impactor are detachably connected, and the blunt, single-cone or multi-cone impactor can be replaced with an impactor of a desired shape according to different performance detection effects required by the explosion-proof distribution box.

[0010] As a preferred technical solution of the present invention, it also includes an extension component, and the lower part of the mounting plate 2 is connected with an extension component for closing the drum; the extension component includes a fixed ring, an annular telescopic cloth, a limit ring and an electric push rod 4; the lower part of the mounting plate 2 is fixedly connected with a fixed ring, and the fixed ring is located on the outside of the turntable; an annular telescopic cloth is fixedly connected to the fixed ring; the lower end of the annular telescopic cloth is fixedly connected to the limit ring; a number of electric push rods 4 distributed in a circular array are fixedly connected to the mounting plate 2, and a number of electric push rods 4 are located on the outside of the fixing ring; the telescopic parts of the several electric push rods 4 are commonly fixedly connected to the limit ring; an annular groove is opened on the upper surface of the drum, and the limit ring fits with the annular groove.

[0011] As a preferred technical solution of the present invention, it also includes an environmental simulation component, and the upper part of the mounting plate 2 is connected with an environmental simulation component for simulating wind and sand or underwater environment; the environmental simulation component includes a mounting frame, a storage box, a T-shaped tube, an electric valve, an L-shaped bracket, an electric push rod 5, a fixed frame and a cylinder 1; the upper part of the mounting plate 2 is fixedly connected with a mounting frame, and the mounting frame is located in front of the turntable; the mounting frame is fixedly connected to the storage box; the middle part of the storage box is fixedly connected with a T-shaped tube, and the T-shaped tube is located in the annular telescopic cloth; a boss is arranged in the storage box; a plurality of slots distributed in an annular array are opened on the T-shaped tube; a plurality of slots are located above the boss; an electric valve is connected to the left and right parts of the T-shaped tube; a plurality of L-shaped brackets distributed in an annular array are fixedly connected to the upper surface of the storage box; an electric push rod 5 is fixedly connected to each L-shaped bracket; the telescopic parts of all the electric push rods 5 are fixedly connected to the fixed frame; the fixed frame is fixedly connected to the cylinder 1; the cylinder 1 is slidably arranged on the T-shaped tube, and the cylinder 1 blocks the plurality of slots.

[0012] As a preferred technical solution of the present invention, the environmental simulation component also includes a guide ring, an exhaust pipe and a filter cloth; the inner wall of the T-shaped tube is fixedly connected with a guide ring, and the guide ring is located above a plurality of slots; the exhaust pipe is embedded on the turntable; the inner wall of the exhaust pipe is fixedly connected with a filter cloth.

[0013] As a preferred technical solution of the present invention, a heater is also included, and the drum is provided with a heater.

[0014] As a preferred technical solution of the present invention, it also includes a sand discharge component, and the lower part of the barrel is connected to a sand discharge component for discharging sand; the sand discharge component includes an inclined plate, a guide plate, a second cylinder, a circular plate, a second motor, a positioning block and a ring plate; the lower part of the inner ring surface of the barrel is fixedly connected with an inclined plate; a rectangular groove is provided at the front part of the barrel; a guide plate is fixedly connected to the outer side of the barrel, and the guide plate is located at the outer side of the rectangular groove; the middle part of the inclined plate is fixedly connected to the second cylinder; the inner ring surface of the second cylinder is fixedly connected with a circular plate; the lower surface of the circular plate is fixedly connected to the second motor; the output shaft of the second motor is fixedly connected with a positioning block; the positioning block is plugged into a support plate; a plurality of through holes one are provided on the support plate; a ring plate is fixedly connected to the outer side of the second cylinder, and the ring plate and the support plate fit each other; a plurality of through holes two are provided on the ring plate, and a plurality of through holes one and a plurality of through holes two are staggered.

[0015] Beneficial effects: The performance testing device for explosion-proof distribution boxes obtained by the above-mentioned design of the present invention performs strength performance testing on explosion-proof distribution boxes through blunt, conical or multi-conical impact objects, so that strength performance data of explosion-proof distribution boxes on different impact objects can be collected, ensuring that the data of explosion-proof distribution boxes are complete, and there is no need to place the explosion-proof distribution boxes in multiple different testing devices for testing, thus saving a lot of time and improving the diversity of testing equipment and testing efficiency; At the same time, by controlling the remaining positions of the explosion-proof distribution box to face impact objects of different shapes in turn, the strength of the explosion-proof distribution box can be tested at multiple angles and multiple points, so as to comprehensively test the strength of the explosion-proof distribution box from multiple angles.

[0016] The performance detection device for explosion-proof distribution boxes obtained by the above design of the present invention clamps the explosion-proof distribution box by an electric clamp and drops it from the air to a support plate below for drop detection.

[0017] The performance testing device for explosion-proof distribution box obtained by the above design of the present invention fully unfolds the annular telescopic cloth to form a relatively closed space with the barrel, the second mounting plate, the turntable and the annular telescopic cloth, and then the sand in the storage box enters the T-tube from a plurality of slots through the vibration of the vibration motor, and is carried into the closed space below by the continuously flowing wind, forming a sandstorm environment in the closed space, and the explosion-proof distribution box is tested in the sandstorm environment to detect the dustproof performance of the explosion-proof distribution box.

[0018] When the wind and sand test is completed, the explosion-proof distribution box is clamped by the electric clamp and dropped onto a pallet with sand to simulate a drop test of the explosion-proof distribution box falling onto the sandy ground. When a large amount of sand accumulates on the pallet, the pallet is controlled to rotate so that several through holes 1 on the pallet overlap with several through holes 2 on the ring plate. Under the continuous action of the vibration motor, the sand falls from through holes 1 and 2 to the inclined plate and is discharged from the guide plate to avoid a large amount of sand remaining on the pallet, which affects the subsequent performance inspection of the explosion-proof distribution box.

[0019] The performance testing device for explosion-proof distribution box obtained by the above design of the present invention is that when the round barrel, the second mounting plate, the turntable and the annular telescopic cloth form a relatively closed space, water is injected into the closed space through a water pipe. After the explosion-proof distribution box is immersed in water, a water-immersed environment is formed in the closed space, and the explosion-proof distribution box is tested through the water-immersed environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0021] In the attached picture: Figure 1 It is a schematic diagram of the three-dimensional structure of the performance detection device for the explosion-proof distribution box of the present invention; Figure 2 It is a three-dimensional structural schematic diagram of the barrel, the fixing seat, the impact object and the pushing assembly of the performance detection device for the explosion-proof distribution box of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the second mounting plate, the rotating assembly, the swinging assembly and the electric clamp of the performance detection device for the explosion-proof distribution box of the present invention; Figure 4 It is a three-dimensional structural schematic diagram of the second mounting plate, the rotating assembly, the extending assembly and the environmental simulation assembly of the performance detection device for the explosion-proof distribution box of the present invention; Figure 5 It is a three-dimensional structural schematic diagram of the environmental simulation component of the performance detection device for the explosion-proof distribution box of the present invention; Figure 6 It is a three-dimensional structural schematic diagram of a turntable, an exhaust pipe and a filter cloth of the performance detection device for an explosion-proof distribution box of the present invention; Figure 7 It is a three-dimensional structural schematic diagram of a barrel, a second electric push rod, a support plate, a heater and a sand discharge assembly of the performance detection device for an explosion-proof distribution box of the present invention; Figure 8 It is a three-dimensional structural schematic diagram of the electric push rod 2, the support plate and the sand discharge assembly of the performance detection device for the explosion-proof distribution box of the present invention.

[0022] The markings in the figure are: 1-base plate, 2-shock-absorbing column, 3-mounting plate 1, 4-vibration motor, 5-barrel, 6-fixed seat, 7-impact, 8-mounting plate 2, 9-electric clamp, 101- electric push rod 1, 102- ring, 103- electric push rod 2, 104- support plate, 201-support frame, 202-electric slide rail, 203-electric slide block, 301-fixed plate, 302-motor one, 303-spur gear, 304-turntable, 305-gear ring, 306-connecting column, 307-universal shaft, 308-connecting plate, 309-electric push rod three, 310-connecting block, 401-fixed ring, 402-annular telescopic cloth, 403-limiting ring, 404-electric push rod four, 501-mounting frame, 502-storage box, 503-T-shaped pipe, 504-electric valve, 505-L-shaped bracket, 506-electric push rod 5, 507-fixing frame, 508-cylinder 1, 509-guide ring, 510-exhaust pipe, 511-filter cloth, 512-heater, 601- inclined plate, 602- guide plate, 603- cylinder 2, 604- round plate, 605- motor 2, 606- positioning block, 607- ring plate, 10201- inclined surface, 10401- through hole one, 5001- annular groove, 5002- rectangular groove, 50201- boss, 50301- slot hole, 60701- through hole two. DETAILED DESCRIPTION

[0023] Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. In addition, in the following figures, in order to make each layer and each component a recognizable size, the scale of each layer and each component is appropriately changed for schematic illustration. It is hereby stated that the directional terms such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the present invention are only based on the accompanying drawings of the present invention, and are not specific limitations of the present invention.

[0024] Example 1 A performance detection device for explosion-proof distribution box, such as Figure 1-Figure 3 As shown, it includes a base plate 1, a shock absorbing column 2, a mounting plate 3 and a vibration motor 4; four shock absorbing columns 2 distributed in a rectangular array are fixedly connected to the base plate 1; a mounting plate 3 is fixedly connected to all the shock absorbing columns 2; the lower part of the mounting plate 3 is bolted to two vibration motors 4; It also includes a barrel 5, a fixed seat 6, an impactor 7, a pushing assembly, a power assembly, a mounting plate 2 8, a rotating assembly, a swinging assembly and an electric clamp 9; the barrel 5 is fixedly connected to the mounting plate 1 3; three fixed seats 6 distributed in a ring array are fixedly connected to the upper part of the inner ring surface of the barrel 5; each fixed seat 6 is rotatably connected to an impactor 7 through a rotating shaft, and the shapes of the three impactors 7 are blunt, single-conical and multi-conical respectively; the pushing assembly is connected to the lower part of the inner ring surface of the barrel 5; the power assembly is connected to the mounting plate 1 3; the mounting plate 2 8 is connected to the power assembly; the mounting plate 2 8 is connected to the rotating assembly; the swinging assembly is connected to the swinging assembly; the electric clamp 9 is connected to the swinging assembly; the power assembly is used to drive the mounting plate 2 8, the rotating assembly, the swinging assembly and the electric clamp 9 to move forward together.

[0025] The pushing assembly includes an electric push rod 101, a ring 102, an electric push rod 2 103 and a support plate 104; four electric push rods 101 distributed in a ring array are bolted to the lower part of the inner ring surface of the barrel 5; the telescopic parts of the four electric push rods 101 are commonly fixed to the ring 102; an inclined surface 10201 is provided on the ring 102, and the inclined surface 10201 is in contact with the side of the three impact objects 7 facing the barrel 5; two electric push rods 2 103 are fixed to the inner bottom wall of the barrel 5; the telescopic parts of the electric push rod 2 103 are commonly rotatably connected to the support plate 104.

[0026] The power assembly includes a support frame 201, an electric slide rail 202 and an electric slider 203; a support frame 201 is fixedly connected to the left and right parts of the upper surface of the mounting plate 1 3; an electric slide rail 202 is bolted to the opposite sides of the two support frames 201; an electric slider 203 is slidably connected to each electric slide rail 202; the two electric sliders 203 are fixedly connected to the mounting plate 2 8.

[0027] The rotating assembly includes a fixed plate 301, a motor 302, a spur gear 303, a turntable 304 and a gear ring 305; the upper surface of the mounting plate 2 8 is fixedly connected with the fixed plate 301; the motor 1 302 is bolted to the fixed plate 301; the output shaft of the motor 1 302 is fixedly connected with the spur gear 303; the middle part of the mounting plate 2 8 is rotatably connected with the turntable 304; the upper part of the turntable 304 is fixedly connected with the gear ring 305; the spur gear 303 is meshed with the gear ring 305.

[0028] The swing assembly includes a connecting column 306, a universal joint 307, a connecting plate 308, an electric push rod 309 and a connecting block 310; the connecting column 306 is fixedly connected to the lower surface of the turntable 304; the universal joint 307 is fixedly connected to the connecting column 306; the connecting plate 308 is fixedly connected to the universal joint 307; the electric push rod 309 is bolted to the rear part of the lower surface of the turntable 304; the telescopic part of the electric push rod 309 is fixedly connected to the connecting block 310; the connecting block 310 is fixedly connected to the lower end of the universal joint 307.

[0029] The fixing seat 6 and the impactor 7 are detachably connected, and the blunt, single-cone or multi-cone impactor 7 can be replaced with an impactor 7 of a desired shape according to different performance detection effects required by the explosion-proof distribution box.

[0030] The working steps of this embodiment are: The following rotations are from front to back, from top to bottom, and from right to left. The first step is to place the performance testing device for the explosion-proof distribution box at the required position when in use; In the second step, the operator connects an external power supply to all components that need to be driven by electricity. The operator places the explosion-proof distribution box on the support plate 104 of the barrel 5 with the front facing forward, and the center point of the explosion-proof distribution box is aligned with the center point of the support plate 104. There is a distance between the explosion-proof distribution box and the barrel 5. Then the electric slider 203 is controlled to move forward on the electric slide rail 202. The two electric sliders 203 drive the mounting plate 28, the rotating assembly, the swing assembly and the electric clamp 9 to move forward together. After the electric clamp 9 is moved to the top of the explosion-proof distribution box, the telescopic parts of the two electric push rods 203 are controlled to be pushed out, driving the support plate 104 and the explosion-proof distribution box. The electric box moves upward together, allowing the explosion-proof distribution box to move between the two clamping claws of the electric clamp 9, and then the clamping claws of the electric clamp 9 are controlled to close to clamp the explosion-proof distribution box, and then the telescopic parts of the two electric push rods 103 are controlled to contract, driving the connected parts to move downward and no longer support the explosion-proof distribution box, and then the telescopic parts of the four electric push rods 101 are controlled to be pushed out, driving the ring 102 to move upward together, and during the movement of the ring 102, it will push the three impact objects 7 to rotate with the rotating shaft of the fixed seat 6 as the center of the circle, so that the three impact objects 7 change from a downward vertical state to an inclined state toward the explosion-proof distribution box. At this time, its A blunt impactor 7 is located in front of the explosion-proof distribution box, and then the telescopic part of the electric push rod 309 is controlled to be pushed out, driving the connecting block 310, the connecting plate 308, the electric clamp 9 and the explosion-proof distribution box to swing forward together with the axis of the universal shaft 307, so that the explosion-proof distribution box is impacted toward the blunt impactor 7 to test the strength performance data of the explosion-proof distribution box. At the same time, if the data after the impact of the cone-shaped impactor 7 or the multi-cone-shaped impactor 7 on the explosion-proof distribution box is required, the output shaft of the control motor 1 302 is driven by the spur gear 303 to rotate clockwise, and the turntable 304, the gear ring 305, The connecting column 306, the universal joint 307, the connecting plate 308, the electric push rod 309, the connecting block 310, the electric clamp 9 and the explosion-proof distribution box rotate clockwise together, and the front of the explosion-proof distribution box is rotated toward the conical impactor 7 or the multi-conical impactor 7. The strength performance of the explosion-proof distribution box is tested by the conical impactor 7 or the multi-conical impactor 7. In this way, the strength performance data of the explosion-proof distribution box with different impactors 7 can be collected, ensuring the data of the explosion-proof distribution box is complete. There is no need to place the explosion-proof distribution box in multiple different testing equipment for testing, which saves a lot of time and improves the diversity of testing equipment and testing efficiency.

[0031] At the same time, when the explosion-proof distribution box is tested, the spur gear 303 drives the turntable 304, the gear ring 305, the connecting column 306, the universal shaft 307, the connecting plate 308, the electric push rod 309, the connecting block 310, the electric clamp 9 and the explosion-proof distribution box to rotate clockwise, so that the remaining positions of the explosion-proof distribution box are aligned with the impact objects 7 of different shapes in turn, and then the telescopic part of the electric push rod 309 is pushed out to drive the connecting block 310, the connecting plate 308, the electric clamp 9 and the explosion-proof distribution box swing forward together with the axis of the universal joint 307 to perform strength tests on the explosion-proof distribution box at multiple angles and multiple points. The strength of the explosion-proof distribution box is tested at multiple angles. Since the purpose of the explosion-proof distribution box is to prevent explosions and ensure that the internal parts are not damaged, the explosion-proof distribution box needs to meet the multi-angle strength standards. The existing test is only a single-point impact strength test from bottom to top, which can only obtain the single-point strength of the explosion-proof distribution box, and cannot obtain the multi-angle strength of the explosion-proof distribution box. The existing test has limitations.

[0032] The third step, when the strength performance test of the explosion-proof distribution box is completed, the telescopic part of the electric push rod 309 is controlled to contract, driving the connected parts and the explosion-proof distribution box to swing, changing from an inclined state to a vertical state, and then controlling the telescopic parts of all the electric push rods 101 to contract, driving the connected parts to move downward, no longer forcing the three impact objects 7 to be inclined, allowing the three impact objects 7 to change back to a vertical state under the action of gravity, and then controlling the two jaws of the electric clamp 9 to open, and dropping the explosion-proof distribution box onto the support plate 104 below for drop detection, and then controlling the two electric sliders 203 to drive the connected parts to move backward, and move the connected parts and the electric clamp 9 to the rear of the barrel 5, and then the operator takes away the explosion-proof distribution box in the barrel 5.

[0033] Example 2 On the basis of Example 1, Figure 4-Figure 8 As shown, it also includes an extension component, and the lower part of the mounting plate 28 is connected to the extension component; the extension component includes a fixing ring 401, an annular telescopic cloth 402, a limiting ring 403 and an electric push rod 404; the lower part of the mounting plate 28 is fixedly connected to the fixing ring 401, and the fixing ring 401 is located on the outside of the turntable 304; the annular telescopic cloth 402 is fixedly connected to the fixing ring 401; the lower end of the annular telescopic cloth 402 is fixedly connected to the limiting ring 403; three electric push rods 404 distributed in a circular array are bolted to the mounting plate 28, and the three electric push rods 404 are located on the outside of the fixing ring 401; the telescopic parts of the three electric push rods 404 are fixedly connected to the limiting ring 403 together; an annular groove 5001 is opened on the upper surface of the barrel 5, and the limiting ring 403 fits with the annular groove 5001.

[0034] It also includes an environmental simulation component, which is connected to the upper part of the mounting plate 28; the environmental simulation component includes a mounting frame 501, a storage box 502, a T-shaped tube 503, an electric valve 504, an L-shaped bracket 505, an electric push rod 506, a fixing frame 507 and a cylinder 1 508; the upper part of the mounting plate 28 is fixedly connected with the mounting frame 501, and the mounting frame 501 is located in front of the turntable 304; the mounting frame 501 is fixedly connected with the storage box 502; the middle part of the storage box 502 is fixedly connected with the T-shaped tube 503, and the T-shaped tube 503 is located in the annular telescopic cloth 402; a boss 50201 is arranged in the storage box 502; a plurality of slots 5030 distributed in an annular array are opened on the T-shaped tube 503 1; a plurality of slots 50301 are located above the boss 50201; the left and right parts of the T-tube 503 are each connected to an electric valve 504; the upper surface of the storage box 502 is fixedly connected with four L-shaped brackets 505 distributed in a circular array; each L-shaped bracket 505 is bolted with an electric push rod 506; the telescopic parts of all the electric push rods 506 are commonly fixedly connected with a fixing frame 507; the fixing frame 507 is fixedly connected with a cylinder 1 508; the cylinder 1 508 is slidably set on the T-tube 503, and the cylinder 1 508 blocks the plurality of slots 50301, and the boss 50201 is used to limit the cylinder 1 508 from moving too downward to ensure that the cylinder 1 508 blocks the slots 50301.

[0035] The environmental simulation component also includes a guide ring 509, an exhaust pipe 510 and a filter cloth 511; the inner wall of the T-shaped tube 503 is fixedly connected with a guide ring 509, and the guide ring 509 is located above a plurality of slots 50301; the exhaust pipe 510 is embedded on the turntable 304; the inner wall of the exhaust pipe 510 is fixedly connected with a filter cloth 511.

[0036] A heater 512 is also included. The drum 5 is provided with the heater 512 .

[0037] The sand discharge assembly is also included, and the lower part of the barrel 5 is connected to the sand discharge assembly; the sand discharge assembly includes an inclined plate 601, a guide plate 602, a second cylinder 603, a circular plate 604, a second motor 605, a positioning block 606 and a ring plate 607; the lower part of the inner ring surface of the barrel 5 is fixedly connected to the inclined plate 601; a rectangular groove 5002 is opened at the front of the barrel 5; the outer side of the barrel 5 is fixedly connected to the guide plate 602, and the guide plate 602 is located on the outer side of the rectangular groove 5002; the middle part of the inclined plate 601 is fixedly connected to the second cylinder 603; the inner part of the second cylinder 603 ... A circular plate 604 is fixed to the annular surface; a motor 2 605 is bolted to the lower surface of the circular plate 604; a positioning block 606 is fixed to the output shaft of the motor 2 605; the positioning block 606 is plugged into the support plate 104; a plurality of through holes 10401 are provided on the support plate 104; a ring plate 607 is fixed to the outer side of the cylinder 2 603, and the ring plate 607 and the support plate 104 fit each other; a plurality of through holes 2 60701 are provided on the ring plate 607, and a plurality of through holes 10401 and a plurality of through holes 2 60701 are staggered.

[0038] The working principle of this embodiment is: The operator connects an external power supply to all components that require electric drive, connects an external fan to the left electric valve 504 and an external water pipe to the right electric valve 504, and adds sand to the storage box 502. Since the explosion-proof distribution box needs to be used in different environments, it is necessary to test the performance of the explosion-proof distribution box under different environmental conditions, and the existing equipment can only perform a single type of environmental test on the explosion-proof distribution box, and it is impossible to achieve simulated testing of multiple environments in the same equipment, resulting in the need to perform environmental performance testing of the explosion-proof distribution box in multiple testing equipment. This not only takes a long time, but also has low testing efficiency. Therefore, when it is necessary to simulate a sandstorm environment to perform dustproof testing on the explosion-proof distribution box, the operator places the explosion-proof distribution box on the pallet 104, and then controls the telescopic parts of the three electric push rods 404 to push out, driving the limit ring 403 and the lower end of the annular telescopic cloth 402 to move forward together. Move downward to stretch the annular telescopic cloth 402 downward until the limit ring 403 is inserted into the annular groove 5001 of the barrel 5, and the annular telescopic cloth 402 is fully unfolded, so that the barrel 5, the mounting plate 2 8, the turntable 304 and the annular telescopic cloth 402 form a relatively closed space, and the explosion-proof distribution box is located in the annular telescopic cloth 402, so the explosion-proof distribution box is in a relatively closed space, and then the rotor shafts of the two vibration motors 4 are controlled to open, and a set of adjustable eccentric blocks are installed at both ends of the rotor shaft, and the centrifugal force generated by the high-speed rotation of the rotor shaft and the eccentric block is used to obtain the exciting force, and the exciting force is transmitted to the mounting plate 1 3, the barrel 5, the fixing seat 6, the impactor 7, the pushing component, the explosion-proof distribution box, the power component, the mounting plate 2 8, the rotating component, the swinging component, the electric clamp 9, the extension component, the environmental simulation component and the sand discharge component, so that the components on the mounting plate 3 vibrate; During the continuous operation of the vibration motor 4, the external fan is controlled to start, and the electric valve 504 on the left is opened to allow the wind blown by the fan to enter the T-shaped tube 503, and then enter the closed space from the lower end of the T-shaped tube 503. Then, the telescopic parts of the three electric push rods 506 are controlled to contract, driving the fixing frame 507 and the cylinder 1 508 to move upward together, and no longer block the plurality of slots 50301. In the continuous vibration process, the sand in the storage box 502 will pass through the plurality of slots. 50301 enters the T-shaped tube 503 and is carried by the continuously flowing wind into the enclosed space below, forming a sandstorm environment in the enclosed space. The explosion-proof distribution box is tested in the sandstorm environment. As the fan continues to blow air into the enclosed space, the gas in the enclosed space will be discharged from the exhaust pipe 510 to form an airflow in the enclosed space. When the gas passes through the filter cloth 511 in the exhaust pipe 510, the sand and dust in the gas will be intercepted to prevent the sand and dust from floating in the air. When the dustproof inspection of the explosion-proof distribution box is completed, the fan and the electric valve 504 on the left are controlled to be closed together, and the telescopic parts of the three electric push rods 506 are pushed out, driving the connected parts to move downward, blocking a number of slots 50301, and then the telescopic parts of the three electric push rods 404 are controlled to shrink, driving the connected parts to move upward, so that the annular telescopic cloth 402 shrinks and no longer forms a closed space. The operator takes out the explosion-proof distribution box, and then checks whether sand and dust have entered the explosion-proof distribution box to confirm the dustproof performance of the explosion-proof distribution box; When the wind and sand detection is completed and there is sand remaining on the support plate 104, the operator controls the telescopic parts of the two electric push rods 103 to push out, driving the support plate 104 and the explosion-proof distribution box to move upward together, and moving the explosion-proof distribution box between the two jaws of the electric clamp 9, and then controls the two jaws of the electric clamp 9 to merge to clamp the explosion-proof distribution box, and then controls the telescopic parts of the two electric push rods 103 to contract, driving the support plate 104 to move downward, allowing the explosion-proof distribution box to be suspended in the air, and then controls the two jaws of the electric clamp 9 to open, and drops the explosion-proof distribution box onto the support plate 104 with sand, simulating the drop detection of the explosion-proof distribution box falling on the sandy ground.

[0039] After the device has performed multiple wind and sand detections, a large amount of sand will accumulate on the pallet 104, causing the explosion-proof distribution box to be unable to be placed normally on the pallet 104, which will affect the subsequent detection of the explosion-proof distribution box. Therefore, the output shaft of the control motor 2 605 drives the positioning block 606 and the pallet 104 to rotate together, so that several through holes 10401 on the pallet 104 coincide with several through holes 2 60701 on the ring plate 607, and the output shaft of the control motor 2 605 stops rotating. Under the continuous action of the vibration motor 4, the sand will continue to jump on the pallet 104 until it passes through the through holes 10401 and the through holes 2 60701 and falls onto the inclined plate 601, and is discharged from the guide plate 602 along the inclined plate 601, thereby avoiding a large amount of sand remaining on the pallet 104 and affecting the subsequent detection of the performance of the explosion-proof distribution box.

[0040] When it is necessary to simulate the underwater environment to test the explosion-proof distribution box for waterproofing, and the drum 5 and the annular telescopic cloth 402 form a relatively closed space, the electric valve 504 on the right is controlled to open, and the water in the water pipe enters the closed space from the T-shaped pipe 503. After the water level in the closed space rises higher than the explosion-proof distribution box and the explosion-proof distribution box is immersed in water, the electric valve 504 on the right is controlled to close, and the water supply to the closed space is stopped, so that a water-immersed environment is formed in the closed space, and the explosion-proof The distribution box is tested. When the waterproof test of the explosion-proof distribution box is completed, the output shaft of the control motor 2 605 drives the positioning block 606 and the support plate 104 to rotate together, so that the several through holes 10401 on the support plate 104 coincide with the several through holes 2 60701 on the ring plate 607, and the output shaft of the control motor 2 605 stops rotating, so that the water in the barrel 5 is discharged from the through holes 10401 and the through holes 2 60701 to the inclined plate 601, and then discharged from the guide plate 602 along the inclined plate 601.

[0041] It should be noted that heating the drum 5 by the heater 512 can simulate the high temperature environment of the explosion-proof distribution box.

[0042] It should be noted that when several slots 50301 are opened, the wind in the conveying T-tube 503 will continue to be discharged from the several slots 50301, thereby blowing the sand in the storage box 502 to the surroundings, making it impossible for the sand to enter the T-tube 503. The wind entering the T-tube 503 will be guided by the guide ring 509, so that the downward-flowing wind flows to the middle, and only a small amount of airflow is discharged from the several slots 50301, carrying a small amount of sand to the surroundings, thereby preventing the continuous flow of wind from being discharged from the several slots 50301, blowing a large amount of sand to the surroundings, and making it impossible for the sand in the storage box 502 to enter the T-tube 503.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A performance testing device for an explosion-proof distribution box, comprising a base plate (1); a plurality of shock-absorbing columns (2) distributed in a rectangular array are fixedly connected to the base plate (1); a mounting plate (3) is commonly fixedly connected to all the shock-absorbing columns (2); a plurality of vibration motors (4) are fixedly connected to the lower part of the mounting plate (3); the characteristics are: The invention also comprises a barrel (5); a barrel (5) is fixedly connected to a first mounting plate (3); a plurality of fixing seats (6) distributed in a ring array are fixedly connected to the upper portion of the inner ring surface of the barrel (5); a striker (7) is rotatably connected to each fixing seat (6) via a rotating shaft, and the shapes of the three strikers (7) are respectively blunt, single-conical and multi-conical; a pushing assembly for adjusting the angle of the striker (7) is connected to the lower portion of the inner ring surface of the barrel (5); a power assembly is connected to the first mounting plate (3); a second mounting plate (8) is connected to the power assembly; a rotating assembly for rotating with an explosion-proof distribution box is connected to the second mounting plate (8); a swinging assembly for swinging with the explosion-proof distribution box is connected to the rotating assembly; an electric clamp (9) is connected to the swinging assembly; the power assembly is used to drive the second mounting plate (8), the rotating assembly, the swinging assembly and the electric clamp (9) to move forward together.

2. A performance detection device for explosion-proof distribution box according to claim 1, characterized in that: The pushing assembly comprises an electric push rod 1 (101); a plurality of electric push rods 1 (101) distributed in a ring array are fixedly connected to the lower part of the inner ring surface of the barrel (5); the telescopic parts of the plurality of electric push rods 1 (101) are commonly fixedly connected to a ring (102); an inclined surface (10201) is provided on the ring (102), and the inclined surface (10201) contacts one side of three impact objects (7) facing the barrel (5); a plurality of electric push rods 2 (103) are fixedly connected to the inner bottom wall of the barrel (5); and the telescopic parts of the electric push rods 2 (103) are commonly rotatably connected to a support plate (104).

3. The performance detection device for explosion-proof distribution box according to claim 1 is characterized in that: The rotating assembly comprises a fixed plate (301); the upper surface of the second mounting plate (8) is fixedly connected to the fixed plate (301); the first motor (302) is fixedly connected to the fixed plate (301); the output shaft of the first motor (302) is fixedly connected to a spur gear (303); the middle part of the second mounting plate (8) is rotatably connected to a rotating disk (304); the upper part of the rotating disk (304) is fixedly connected to a gear ring (305); and the spur gear (303) is meshed with the gear ring (305).

4. A performance detection device for explosion-proof distribution box according to claim 3, characterized in that: The swing assembly comprises a connecting column (306); the lower surface of the turntable (304) is fixedly connected to the connecting column (306); a universal shaft (307) is fixedly connected to the connecting column (306); a connecting plate (308) is fixedly connected to the universal shaft (307); an electric push rod three (309) is fixedly connected to the rear portion of the lower surface of the turntable (304); a connecting block (310) is fixedly connected to the telescopic portion of the electric push rod three (309); and the connecting block (310) is fixedly connected to the lower end of the universal shaft (307).

5. The performance detection device for explosion-proof distribution box according to claim 1 is characterized in that: The fixing seat (6) and the impactor (7) are detachably connected, and the blunt, single-cone, or multi-cone impactor (7) can be replaced with an impactor (7) of a desired shape according to different performance detection effects required by the explosion-proof distribution box.

6. A performance detection device for explosion-proof distribution box according to claim 4, characterized in that: The invention also comprises an extension component, wherein the lower part of the second mounting plate (8) is connected to the extension component for closing the drum (5); the extension component comprises a fixing ring (401); the lower part of the second mounting plate (8) is fixedly connected to the fixing ring (401), and the fixing ring (401) is located outside the rotating disk (304); an annular telescopic cloth (402) is fixedly connected to the fixing ring (401); the lower end of the annular telescopic cloth (402) is fixedly connected to a limiting ring (403); a plurality of electric push rods (404) distributed in an annular array are fixedly connected to the second mounting plate (8), and the plurality of electric push rods (404) are located outside the fixing ring (401); the telescopic parts of the plurality of electric push rods (404) are fixedly connected to the limiting ring (403); an annular groove (5001) is provided on the upper surface of the drum (5), and the limiting ring (403) fits in the annular groove (5001).

7. A performance detection device for explosion-proof distribution box according to claim 6, characterized in that: The invention also comprises an environmental simulation component, wherein the upper part of the second mounting plate (8) is connected to an environmental simulation component for simulating a sandstorm or underwater environment; the environmental simulation component comprises a mounting frame (501); the upper part of the second mounting plate (8) is fixedly connected to the mounting frame (501), and the mounting frame (501) is located in front of the turntable (304); a storage box (502) is fixedly connected to the mounting frame (501); a T-shaped tube (503) is fixedly connected to the middle part of the storage box (502), and the T-shaped tube (503) is located in the annular telescopic cloth (402); a boss (50201) is arranged in the storage box (502); a plurality of slots (50301) distributed in an annular array are opened on the T-shaped tube (503); 1); a plurality of slots (50301) are located above the boss (50201); the left and right parts of the T-shaped tube (503) are each connected to an electric valve (504); a plurality of L-shaped brackets (505) distributed in a ring array are fixedly connected to the upper surface of the storage box (502); each L-shaped bracket (505) is fixedly connected to an electric push rod five (506); the telescopic parts of all the electric push rods five (506) are commonly fixedly connected to a fixing frame (507); the fixing frame (507) is fixedly connected to a cylinder one (508); the cylinder one (508) is slidably arranged on the T-shaped tube (503), and the cylinder one (508) blocks the plurality of slots (50301).

8. A performance detection device for explosion-proof distribution box according to claim 7, characterized in that: The environmental simulation component also includes a guide ring (509); the inner wall of the T-shaped tube (503) is fixedly connected to the guide ring (509), and the guide ring (509) is located above the plurality of slot holes (50301); an exhaust pipe (510) is embedded on the rotating disk (304); and a filter cloth (511) is fixedly connected to the inner wall of the exhaust pipe (510).

9. The performance detection device for explosion-proof distribution box according to claim 1, characterized in that: It also includes a heater (512), and the drum (5) is provided with the heater (512).

10. A performance detection device for explosion-proof distribution box according to claim 9, characterized in that: The invention also comprises a sand discharge assembly, wherein the lower part of the round barrel (5) is connected to a sand discharge assembly for discharging sand; the sand discharge assembly comprises an inclined plate (601); the lower part of the inner annular surface of the round barrel (5) is fixedly connected to the inclined plate (601); a rectangular groove (5002) is provided at the front part of the round barrel (5); a guide plate (602) is fixedly connected to the outer side of the round barrel (5), and the guide plate (602) is located at the outer side of the rectangular groove (5002); a second cylinder (603) is fixedly connected to the middle part of the inclined plate (601); a circular plate (604) is fixedly connected to the inner annular surface of the second cylinder (603); the circular plate (604) The lower surface of the cylinder (603) is fixedly connected to a second motor (605); the output shaft of the second motor (605) is fixedly connected to a positioning block (606); the positioning block (606) is plugged into the support plate (104); the support plate (104) is provided with a plurality of first through holes (10401); the outer side of the cylinder (603) is fixedly connected to a ring plate (607), and the ring plate (607) and the support plate (104) are fitted with each other; the ring plate (607) is provided with a plurality of second through holes (60701), and the plurality of first through holes (10401) and the plurality of second through holes (60701) are staggered.

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