Fatigue testing device of pole-mounted circuit breaker and testing method thereof

Abstract

The invention relates to the technical field of pole-mounted circuit breaker performance testing, and discloses a pole-mounted circuit breaker fatigue testing device and a testing method thereof.The pole-mounted circuit breaker fatigue testing device comprises a supporting mechanism used for supporting use of the device and providing a safe testing environment at the same time; the clamping mechanism is arranged in the supporting mechanism and is used for fixing the pole-mounted circuit breaker and preventing the pole-mounted circuit breaker from falling off during the vibration test; the vibration mechanism is arranged in the supporting mechanism and used for testing the vibration fatigue of the pole-mounted circuit breaker, the vibration mechanism comprises a first reset spring, a second reset spring, an inclined plate and a driving assembly, and the first reset spring is fixedly connected to the interior of the supporting mechanism. Through the temperature and humidity adjusting mechanism, the clamping mechanism and the vibration mechanism, the control precision of the testing environment and the operation convenience are remarkably improved, the overall testing efficiency is improved, and the requirements of batch production and quality control are particularly met.

Description

Technical Field

[0001] The invention relates to the technical field of performance testing of a pole-mounted circuit breaker, and in particular to a fatigue testing device and a testing method for a pole-mounted circuit breaker. Background Art

[0002] Pole-mounted circuit breakers are common high-voltage switchgear in power systems and are widely used in transmission lines and substations. Generally speaking, pole-mounted circuit breakers are in a static working environment, but some pole-mounted circuit breakers need to work in a long-term vibration environment, such as those used in railway transportation systems, ships and marine engineering, metallurgy and mining, and mobile equipment.

[0003] The vibration fatigue performance of the pole-mounted circuit breakers working in these vibration environments is very important. In a vibration environment, frequent vibrations may cause the equipment to loosen, wear and damage, thereby reducing the reliability of the pole-mounted circuit breaker. Secondly, in a vibration environment, the unstable vibration of the pole-mounted circuit breaker equipment may cause misoperation or inability to operate correctly, affecting the normal operation of the system. At the same time, vibration will also cause stress on the insulating material inside the pole-mounted circuit breaker equipment, resulting in reduced insulation performance or damage to the insulating material, thereby affecting the electrical performance and safety of the equipment. Therefore, it is necessary to perform vibration fatigue testing on the pole-mounted circuit breaker.

[0004] Existing testing equipment often has some limitations. Existing equipment only performs vibration tests on pole-mounted circuit breakers alone and cannot accurately simulate environmental impacts under specific climatic conditions, which limits the comprehensiveness and accuracy of the test. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fatigue testing device and a testing method for a pole-mounted circuit breaker, which solves the problem that the existing testing equipment cannot accurately simulate the environmental impact under specific climatic conditions, which limits the comprehensiveness and accuracy of the test.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A fatigue testing device for a pole-mounted circuit breaker, comprising:

[0007] A support mechanism, used to support the use of the device and provide a safe testing environment;

[0008] A clamping mechanism, which is arranged inside the supporting mechanism and is used to fix the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off during a vibration test;

[0009] A vibration mechanism, which is arranged inside the support mechanism and is used to test the vibration fatigue of the pole-mounted circuit breaker. The vibration mechanism includes two reset springs 1, a reset spring 2, an inclined plate and a drive assembly. The reset spring 1 is fixedly connected inside the support mechanism, the reset spring 2 is located inside the support mechanism, the inclined plate is located outside the clamping mechanism, and the drive assembly is fixedly connected inside the support mechanism to keep the clamped pole-mounted circuit breaker in the center position at all times. At the same time, the pole-mounted circuit breaker can be driven to reciprocate under the action of the drive assembly, and the vibration fatigue of the pole-mounted circuit breaker can be detected;

[0010] A temperature and humidity adjustment mechanism, which is arranged outside the support mechanism and is used to adjust the temperature and humidity inside the support mechanism, and can test the vibration fatigue of the pole-mounted circuit breaker under different environments;

[0011] A turning mechanism, which is arranged outside the supporting mechanism and is used to facilitate the transportation of the device;

[0012] The connecting mechanism is arranged in the middle of the supporting mechanism and is used to control the switch of the supporting mechanism, so as to avoid leakage of air flow during vibration testing.

[0013] Preferably, the support mechanism comprises two shells, a U-shaped plate is fixedly connected between the two shells, and a cover plate is rotatably connected to the upper side of the U-shaped plate.

[0014] Preferably, the clamping mechanism includes a shell, which is arranged inside the supporting mechanism, the middle part of the shell is rotatably connected to a worm, the inside of the shell is rotatably connected to a worm wheel, the worm and the worm wheel are meshed, the upper side of the worm wheel is fixedly connected to a cam, the outer side of the cam is rotatably connected to two connecting plates, the other side of the connecting plate is rotatably connected to a movable plate, the upper side of the movable plate is rotatably connected to a sliding block, the upper sides of the two sliding blocks are fixedly connected to a clamping plate 1, the inside of the shell is fixedly connected to two compression springs 1, the opposite ends of the two compression springs 1 are fixedly connected to a limiting block, the limiting block is slidably connected to the middle part of the shell, the upper sides of the two limiting blocks are fixedly connected to a clamping plate 2, and the two clamping plates 2 and the two clamping plates 1 close to the side of the cam are fixedly connected to a rubber pad.

[0015] Preferably, the vibration mechanism includes two T-shaped blocks, and the opposite sides of the two T-shaped blocks are respectively fixedly connected to the adjacent ends of the two reset springs, and the upper sides of the two T-shaped blocks are fixedly connected to a slide rail, the shell is slidably connected to the upper side of the slide rail, the inner side wall of the support mechanism is slidably connected to a slide plate, and the reset spring 2 is fixedly connected between the shell and the slide plate.

[0016] Preferably, the driving assembly includes a cylinder, the cylinder is fixedly connected to the interior of the supporting mechanism, the output end of the cylinder is fixedly connected to a sleeve shell, the middle part of the sleeve shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear 1, the interior of the supporting mechanism is rotatably connected to a gear 2, the gear 2 is meshed with the gear 1, the interior of the supporting mechanism is slidably connected to a rack plate 1, the gear 2 is meshed with the rack plate 1, the rack plate 1 is fixedly connected to a convex rod on a side of the rack plate close to the shell, the inclined plate is fixedly connected to a side of the shell close to the convex rod, the convex rod is slidably connected to the middle part of the inclined plate, the interior of the supporting mechanism is rotatably connected to a gear 3, the gear 3 is meshed with the gear 1, the interior of the supporting mechanism is slidably connected to a rack plate 2, the rack plate 2 is meshed with the gear 3, the rack plate 2 is fixedly connected to a side of the rack plate close to the slide rail, and the other side of the L-shaped connecting block is fixedly connected to the upper side of the slide rail.

[0017] Preferably, the temperature and humidity regulating mechanism includes a steam pipe, which is fixedly connected to the middle part of one of the shells, a box body is fixedly connected to the other shell on a side away from the steam pipe, a semiconductor refrigeration plate is fixedly connected to the upper side of the box body, a filter plate is fixedly connected to the middle part of the box body, an air pump is fixedly connected to the middle part of the box body, an air inlet pipe is fixedly connected to the input end of the air pump, a diverter box is fixedly connected to the output end of the air pump, and an anti-blocking component is provided in the middle of the filter plate.

[0018] Preferably, the anti-blocking component includes a rotating rod, which is rotatably connected to the middle part of the filter plate, one end of the rotating rod close to the box body is fixedly connected to an impeller, the other end of the rotating rod is fixedly connected to a fixed block, the interior of the fixed block is fixedly connected to a second compression spring, the other end of the second compression spring is fixedly connected to a scraper, and the scraper is in contact with the filter plate.

[0019] Preferably, the flipping mechanism includes two mounting plates, and the two mounting plates are respectively fixedly connected to opposite sides of the two outer shells, two clockwork springs are fixedly connected inside the mounting plates, and the adjacent ends of the two clockwork springs are fixedly connected to a T-shaped rod, and a handle is fixedly connected to the outer side of the two T-shaped rods.

[0020] Preferably, the connecting mechanism includes a positioning block, the positioning block is fixedly connected to the lower side of the cover plate, the positioning block is slidably connected to the middle part of the U-shaped plate, the interior of the U-shaped plate is fixedly connected with a compression spring three, the other end of the compression spring three is fixedly connected to the middle part of the card block, the card block is in contact with the positioning block, the middle part of the positioning block is provided with a card slot, the card block and the card slot are plug-fitted, the middle part of the U-shaped plate is slidably connected to two dial plates, the opposite sides of the two dial plates are fixedly connected with connecting rods, and the opposite sides of the two connecting rods are respectively fixedly connected to the side close to the two card blocks.

[0021] A testing method of a fatigue testing device for a pole-mounted circuit breaker comprises the following steps:

[0022] Step 1: Place the pole-mounted circuit breaker on the upper side of the housing, and rotate the worm to rotate the worm gear and the cam. When the cam rotates, the connecting plate pulls the movable plate to move. At this time, the slider can limit one side of the movable plate, and the movable plate drives the slider to move in parallel. At this time, the two sliders can drive two clamping plates to clamp and fix the pole-mounted circuit breaker. When the pole-mounted circuit breaker is placed, the clamping plate 2 will be squeezed and the clamping plate 2 will compress the compression spring 1. When the pole-mounted circuit breaker is placed, the clamping plate 2 can be squeezed under the action of the compression spring 1, so that the clamping plate 2 clamps the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off.

[0023] Step 2: Gear 1 drives gear 2 to rotate by driving the motor. When gear 2 rotates, rack plate 1 drives the convex rod to slide in the middle of the inclined plate. When sliding, the shell can be squeezed and the shell can compress the slide plate. When the convex rod passes over the inclined plate, the shell can be ejected by the slide plate. At this time, the shell can swing back and forth by inertia, so that the fixed column-mounted circuit breaker can be tested for vibration fatigue. The sleeve shell drives the motor and gear 1 to move in parallel by driving the cylinder. While moving, gear 1 can be meshed with gear 3 by slowly driving the motor. At this time, gear 3 can be driven to rotate. When gear 3 rotates, rack plate 2 can drive the L-shaped connecting block and the slide rail to move. When the slide rail moves, one of the reset springs 1 will be compressed and the other reset spring 1 will be released. At this time, gear 1 and gear 3 are separated by driving the cylinder, and the shell can swing under the action of reset spring 1, so that the column-mounted circuit breaker can be tested for vibration fatigue in different directions.

[0024] Step three, steam can enter the support mechanism through the steam pipe, which can reduce the temperature and humidity inside the support mechanism. By driving the air pump and under the action of the filter plate, the particulate matter in the air can be filtered, and the air is combined with the temperature produced by the semiconductor refrigeration sheet, and finally transported to the diversion box by the air pump and blown out, which can reduce the temperature and humidity inside the support mechanism, and can test the vibration fatigue of the pole-mounted circuit breaker under different temperature and humidity environments. When the airflow enters the box body, it will drive the impeller, the rotating rod and the fixed block to rotate. At the same time, under the action of the second compression spring, the scraper can fit the filter plate. At this time, when the fixed block rotates, the scraper can clean the particulate matter filtered by the filter plate, so that the temperature and humidity adjustment mechanism can continue to work;

[0025] Step 4: By flipping the handle, the T-shaped rod can twist and compress the spring, which makes it easier to lift the device. After the transportation is completed, the handle can be loosened and the spring can cause the T-shaped rod to drive the handle to flip in the opposite direction, so that the handle can be put away.

[0026] Step five, when adjusting the temperature and humidity, close the cover. When the cover is closed, the positioning block will enter the U-shaped plate, and in the process of entering, it will squeeze the card block and make the card block compress the compression spring three. When the card slot moves to the original position of the card block, the card block can be bounced into the card slot through the compression spring three. At this time, the cover can be fixed to prevent the cover from moving during the test, thereby improving the accuracy of temperature and humidity. By pushing the dial plate, the connecting rod can pull the card block out of the middle of the card slot, so that the cover can be quickly opened.

[0027] The present invention provides a fatigue test device and a test method for a pole-mounted circuit breaker, which have the following beneficial effects:

[0028] 1. The present invention significantly improves the control accuracy of the test environment and the simplicity of operation through the temperature and humidity adjustment mechanism, the clamping mechanism and the vibration mechanism, improves the overall test efficiency, and is particularly suitable for the needs of mass production and quality control.

[0029] 2. The present invention can facilitate the transportation and placement of the device through the flipping mechanism, thereby improving the portability of the device and reducing the space required for the device.

[0030] 3. The present invention can quickly fix the cover plate through the connecting mechanism to ensure that the cover plate remains closed under high vibration interference conditions, thereby enhancing the safety of the equipment. At the same time, the cover plate can be quickly opened to prevent employees from contacting the vibrating pole-mounted circuit breaker, thereby improving the safety of employees and improving operational efficiency and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A perspective view of the present invention;

[0032] Figure 2It is a structural schematic diagram of the cover plate of the present invention;

[0033] Figure 3 It is a structural schematic diagram of the clamping mechanism of the present invention;

[0034] Figure 4 It is a structural schematic diagram of the second splint of the present invention;

[0035] Figure 5 This is a schematic diagram of the structure of the return spring 1 of the present invention;

[0036] Figure 6 It is a structural schematic diagram of the vibration mechanism of the present invention;

[0037] Figure 7 It is a schematic diagram of the structure of the semiconductor refrigeration sheet of the present invention;

[0038] Figure 8 It is a structural schematic diagram of the scraper of the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the connection mechanism of the present invention;

[0040] Fig.10 It is a structural schematic diagram of the turning mechanism of the present invention.

[0041] Among them, 10, support mechanism; 101, shell; 102, U-shaped plate; 103, cover plate; 20, clamping mechanism; 201, shell; 202, worm; 203, worm wheel; 204, flange; 205, connecting plate; 206, movable plate; 207, slider; 208, clamping plate 1; 209, compression spring 1; 210, limit block; 211, clamping plate 2; 212, rubber pad; 30, vibration mechanism; 301, reset spring 1; 302, T-shaped block; 303, slide rail; 304, slide plate; 305, reset spring 2; 306, cylinder; 307, sleeve; 308, motor; 309, gear 1; 310, gear 2; 311, rack plate 1; 312, Convex rod; 313, inclined plate; 314, gear three; 315, rack plate two; 316, L-shaped connecting block; 40, temperature and humidity regulating mechanism; 401, steam pipe; 402, box body; 403, semiconductor refrigeration plate; 404, filter plate; 405, air pump; 406, air inlet pipe; 407, diverter box; 408, impeller; 409, rotating rod; 411, fixing block; 412, compression spring two; 413, scraper; 50, turning mechanism; 501, mounting plate; 502, clockwork spring; 503, T-shaped rod; 504, handle; 60, connecting mechanism; 601, positioning block; 602, compression spring three; 603, clamping block; 604, clamping slot; 605, dial plate; 606, connecting rod. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Please see attached Figure 1 -Attached Fig.10 , an embodiment of the present invention provides a fatigue testing device for a pole-mounted circuit breaker, comprising:

[0044] The support mechanism 10 is used to support the use of the device and provide a safe test environment. The support mechanism 10 can provide a safe test environment to prevent the device from being displaced or collapsed during high-frequency vibration, thereby ensuring the accuracy and repeatability of the test;

[0045] The clamping mechanism 20 is arranged inside the supporting mechanism 10 and is used to fix the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off during the vibration test. Through the precise fixing mechanism, the test failure and equipment damage caused by the falling of the equipment are prevented, thereby improving the reliability of the test;

[0046] The vibration mechanism 30 is arranged inside the support mechanism 10 and is used to test the vibration fatigue of the pole-mounted circuit breaker. The vibration mechanism 30 includes two reset springs 1 301, a reset spring 2 305, an inclined plate 313 and a driving assembly. The reset spring 1 301 is fixedly connected inside the support mechanism 10, the reset spring 2 305 is located inside the support mechanism 10, the inclined plate 313 is located outside the clamping mechanism 20, and the driving assembly is fixedly connected inside the support mechanism 10 to keep the clamped pole-mounted circuit breaker in the center position at all times. At the same time, the pole-mounted circuit breaker can be driven to reciprocate under the action of the driving assembly, and the vibration fatigue of the pole-mounted circuit breaker can be detected. The vibration environment can be simulated to evaluate the structural stability and service life of the pole-mounted circuit breaker;

[0047] The temperature and humidity adjustment mechanism 40 is arranged outside the support mechanism 10 and is used to adjust the temperature and humidity inside the support mechanism 10, so as to be able to test the vibration fatigue of the pole-mounted circuit breaker under different environments, so as to make the test conditions closer to the actual application environment and ensure the wide applicability and reliability of the test results;

[0048] The turning mechanism 50 is arranged outside the supporting mechanism 10 to facilitate the transportation of the device, thereby simplifying the space occupied by the device and facilitating the transportation of the device;

[0049] The connecting mechanism 60 is arranged in the middle of the supporting mechanism 10 and is used to control the switch of the supporting mechanism 10, which can avoid airflow leakage during vibration testing, avoid inaccurate data caused by airflow leakage during the test, and ensure the control accuracy and repeatability of the test environment.

[0050] Please see attached Figure 1 -Attached Figure 3 In a preferred embodiment of the present invention, the support mechanism 10 includes two shells 101, a U-shaped plate 102 is fixedly connected between the two shells 101, and a cover plate 103 is rotatably connected to the upper side of the U-shaped plate 102. Through the cooperation of the shell 101, the U-shaped plate 102 and the cover plate 103, the pole-mounted circuit breaker test space can be closed, which can prevent employees from contacting the vibrating pole-mounted circuit breaker, thereby improving the safety of the employees.

[0051] Please see attached Figure 2 -Attached Figure 4 In a preferred embodiment of the present invention, the clamping mechanism 20 includes a shell 201, which is arranged inside the supporting mechanism 10. A worm 202 is rotatably connected to the middle part of the shell 201, and a worm wheel 203 is rotatably connected to the inside of the shell 201. The worm 202 and the worm wheel 203 are meshed with each other. A flange 204 is fixedly connected to the upper side of the worm wheel 203, and two connecting plates 205 are rotatably connected to the outer side of the flange 204. A movable plate 206 is rotatably connected to the other side of the connecting plate 205. A slider 207 is rotatably connected to the upper side of the movable plate 206. A clamping plate 208 is fixedly connected to the upper sides of the two sliders 207. Two compression springs 209 are fixedly connected to the inside of the shell 201. The opposite ends of the two compression springs 209 are fixedly connected to a limiting block 210. The limiting block 210 is slidably connected to the middle part of the shell 201. The upper sides of the two limiting blocks 210 are A second clamping plate 211 is fixedly connected, and a rubber pad 212 is fixedly connected to one side of the two second clamping plates 211 and the two first clamping plates 208 close to the convex disc 204. The worm gear 203 drives the convex disc 204 to rotate by rotating the worm 202. At this time, the movable plate 206 can be limited by the slider 207. When the convex disc 204 rotates, the connecting plate 205 can pull the movable plate 206 to drive the slider 207 to move parallel. When the slider 207 moves parallel, the two clamping plates 1 208 can clamp and fix the pole-mounted circuit breaker. When the pole-mounted circuit breaker is placed, the second clamping plate 211 will be squeezed and the second clamping plate 211 will compress the compression spring 1 209. When the pole-mounted circuit breaker is placed, the second clamping plate 211 can be squeezed under the action of the compression spring 1 209, so that the second clamping plate 211 clamps the pole-mounted circuit breaker, which can improve the clamping effect of the pole-mounted circuit breaker and prevent the pole-mounted circuit breaker from falling off.

[0052] Please see attached Figure 3 -Attached Figure 5In a preferred embodiment of the present invention, the vibration mechanism 30 includes two T-shaped blocks 302, and the opposite sides of the two T-shaped blocks 302 are respectively fixedly connected to the ends of the two return springs 301, and the upper sides of the two T-shaped blocks 302 are fixedly connected with a slide rail 303, the housing 201 is slidably connected to the upper side of the slide rail 303, and the inner side wall of the support mechanism 10 is slidably connected with a slide plate 304, and the return spring 305 is fixedly connected between the housing 201 and the slide plate 304, and the drive motor 3 08 makes gear 1 309 drive gear 2 310 to rotate, when gear 2 310 rotates, rack plate 1 311 can drive convex rod 312 to squeeze inclined plate 313, so that housing 201 can compress slide plate 304, when convex rod 312 passes over inclined plate 313, housing 201 can be ejected through slide plate 304, at this time, housing 201 swings back and forth through inertia, so that vibration fatigue test can be performed on fixed pole-mounted circuit breaker, without manual operation by employees, thus improving detection efficiency.

[0053] Please see attached Figure 3 , Attachment Figure 5 and attached Figure 6In a preferred embodiment of the present invention, the driving assembly includes a cylinder 306, the cylinder 306 is fixedly connected to the inside of the support mechanism 10, the output end of the cylinder 306 is fixedly connected to a casing 307, the middle part of the casing 307 is fixedly connected to a motor 308, the output end of the motor 308 is fixedly connected to a gear 1 309, the inside of the support mechanism 10 is rotatably connected to a gear 2 310, the gear 2 310 is meshed with the gear 1 309, and the inside of the support mechanism 10 is slidably connected to a gear 2 310. The rack plate 1 311, the gear 2 310 and the rack plate 1 311 are meshed, the rack plate 1 311 is fixedly connected to the side of the housing 201 with a protruding rod 312, the inclined plate 313 is fixedly connected to the side of the housing 201 close to the protruding rod 312, the protruding rod 312 is slidably connected to the middle of the inclined plate 313, the support mechanism 10 is internally rotatably connected to the gear 3 314, the gear 3 314 is meshed with the gear 1 309, the support mechanism 10 is internally slidably connected to the rack plate 2 315, the gear ... rack plate 1 315 is fixedly connected to the side of the housing 201 close to the protruding rod 312, the inclined plate 313 is fixedly connected to the side of the housing 201 close to the protruding rod 312, the protruding rod 312 is slidably connected to the middle of the inclined plate 313, the support mechanism 10 is internally rotatably connected to the gear 3 314, the gear 3 314 is meshed with the gear 1 309, the support mechanism 10 is internally slidably connected to the rack plate 2 The second strip plate 315 is meshed with the third gear 314. The rack plate 215 is fixedly connected with an L-shaped connecting block 316 on one side close to the slide rail 303. The other side of the L-shaped connecting block 316 is fixedly connected to the upper side of the slide rail 303. The cylinder 306 is driven to drive the housing 307 to drive the motor 308 and the gear 1 309 to move in parallel. While moving, the motor 308 is slowly driven to make the gear 1 309 mesh with the gear 3 314. At this time, the driving motor 308 drives the gear 3 314 to rotate. While the gear 3 314 rotates, the rack plate 215 and the L-shaped connecting block 316 can drive the slide rail 303 to compress one of the return springs 1 301 and release the other return spring 1 301. At this time, the cylinder 306 is driven to separate the gear 1 309 and the gear 3 314. Under the action of the return spring 1 301, the housing 201 can swing, so that the vibration fatigue test of the pole-mounted circuit breaker in different directions can be performed, thereby improving the detection effect.

[0054] Please see attached Figure 7In a preferred embodiment of the present invention, the temperature and humidity regulating mechanism 40 includes a steam pipe 401, which is fixedly connected to the middle of one of the shells 101, and a box body 402 is fixedly connected to the side of the other shell 101 away from the steam pipe 401, and a semiconductor refrigeration sheet 403 is fixedly connected to the upper side of the box body 402, and a filter plate 404 is fixedly connected to the middle of the box body 402, and an air pump 405 is fixedly connected to the middle of the box body 402, and an input end of the air pump 405 is fixedly connected to an air inlet pipe 406, and an output end of the air pump 405 is fixedly connected to a diverter box 407, and an anti-blocking component is arranged in the middle of the filter plate 404, and steam can enter through the steam pipe 401 to increase the humidity. By increasing the humidity and temperature of the test environment, the air intake pipe 406 can be driven to perform air suction by driving the air pump 405. While the air intake pipe 406 is sucking air, the particles carried in the incoming air can be filtered through the filter plate 404 to prevent the particles from entering the air pump 405 and causing damage to the air pump 405. When the air enters, it will contact the cooling side of the semiconductor refrigeration plate 403, and the temperature of the air can be lowered. At this time, the cold air can be transported to the diversion box 407 through the air pump 405 and blown into the support mechanism 10. At this time, the pole-mounted circuit breaker can be tested under different environments, so that the test conditions are more in line with actual applications, increasing the comprehensiveness and reliability of equipment testing.

[0055] Please see attached Figure 8 In a preferred embodiment of the present invention, the anti-blocking component includes a rotating rod 409, which is rotatably connected to the middle part of the filter plate 404. The end of the rotating rod 409 close to the box body 402 is fixedly connected to the impeller 408, and the other end of the rotating rod 409 is fixedly connected to the fixing block 411. The interior of the fixing block 411 is fixedly connected with a compression spring 412, and the other end of the compression spring 412 is fixedly connected with a scraper 413. The scraper 413 is in contact with the filter plate 404. When air enters, the impeller 408 and the rotating rod 409 will be driven to rotate. At this time, the rotating rod 409 can enable the fixed block 411 to drive the scraper 413 to clean the filter plate 404, so as to prevent the filter plate 404 from being adsorbed by a large number of particles and causing the air to be unable to enter. There is no need for employees to manually clean it, which reduces the workload of employees. At the same time, under the action of the compression spring 412, the scraper 413 can be squeezed to ensure that the scraper 413 is continuously in contact with the filter plate 404, thereby improving the cleaning effect of the scraper 413.

[0056] Please see attached Fig.10In a preferred embodiment of the present invention, the flipping mechanism 50 includes two mounting plates 501, and the two mounting plates 501 are respectively fixedly connected to opposite sides of the two shells 101, and two springs 502 are fixedly connected inside the mounting plates 501, and the adjacent ends of the two springs 502 are fixedly connected to a T-shaped rod 503, and the outer sides of the two T-shaped rods 503 are fixedly connected to a handle 504, and the T-shaped rod 503 can twist and compress the springs 502 by flipping the handle 504. At this time, the device can be lifted by the flipped-out handle 504, which is convenient for transportation of the device. At the same time, after the transportation is completed, the handle 504 can be loosened and the T-shaped rod 503 can drive the handle 504 to flip in the opposite direction under the action of the spring 502, and the handle 504 can be folded at this time to reduce the occupied space of the device.

[0057] Please see attached Figure 2 and attached Fig. 9 In a preferred embodiment of the present invention, the connecting mechanism 60 includes a positioning block 601, which is fixedly connected to the lower side of the cover plate 103, and the positioning block 601 is slidably connected to the middle part of the U-shaped plate 102. A compression spring 3 602 is fixedly connected inside the U-shaped plate 102, and the other end of the compression spring 3 602 is fixedly connected to the middle part of the card block 603. The card block 603 is in contact with the positioning block 601, and a card slot 604 is provided in the middle part of the positioning block 601. The card block 603 and the card slot 604 are plugged together. Two dial plates 605 are slidably connected to the middle part of the U-shaped plate 102, and the opposite sides of the two dial plates 605 are fixedly connected to the connecting rods 606. The opposite sides of the two connecting rods 606 are respectively fixedly connected to the sides close to the two card blocks 603. By closing the cover plate 103, When the cover 103 is closed, the positioning block 601 will squeeze the card block 603 and make the card block 603 compress the compression spring three 602. When the card slot 604 moves to a position where the card block 603 is parallel and the card block 603 is not squeezed by external force, the card block 603 can be bounced into the card slot 604 by the compression spring three 602. At this time, the cover 103 can be fixed to ensure that the cover 103 remains closed under high vibration interference conditions, thereby enhancing the safety of the equipment. By pushing the dial plate 605 and under the action of the connecting rod 606, the card block 603 and the card slot 604 can be separated, so that the cover 103 can be quickly opened to avoid contact between employees and vibrating pole-mounted circuit breakers, thereby improving the safety of employees. The cover 103 can be opened or closed quickly and easily, thereby improving operating efficiency and convenience.

[0058] A testing method of a fatigue testing device for a pole-mounted circuit breaker comprises the following steps:

[0059] Step 1: Place the pole-mounted circuit breaker on the upper side of the housing 201, and rotate the worm 202 to rotate the worm wheel 203 and the flange 204. When the flange 204 rotates, the connecting plate 205 can pull the movable plate 206 to move. At this time, the slider 207 can limit one side of the movable plate 206, and the movable plate 206 drives the slider 207 to move parallel. At this time, the two sliders 207 can drive the two clamping plates 1 208 to clamp and fix the pole-mounted circuit breaker. When the pole-mounted circuit breaker is placed, the clamping plate 211 will be squeezed and the clamping plate 211 will compress the compression spring 1 209. When the pole-mounted circuit breaker is placed, the clamping plate 211 can be squeezed under the action of the compression spring 1 209, so that the clamping plate 211 clamps the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off.

[0060] Step 2: Gear 1 309 drives gear 2 310 to rotate by driving motor 308. When gear 2 310 rotates, rack plate 1 311 drives convex rod 312 to slide in the middle of inclined plate 313. When sliding, housing 201 can be squeezed and housing 201 compresses slide plate 304. When convex rod 312 passes over inclined plate 313, housing 201 can be ejected by slide plate 304. At this time, housing 201 can swing back and forth by inertia, so that vibration fatigue test can be performed on fixed column-mounted circuit breaker. Cylinder 306 is driven to make housing 307 drive motor 308 and gear 1 309 to move parallel to each other. The motor 308 is driven slowly while the gear 1 309 is moved to mesh with the gear 3 314, and the gear 3 314 is driven to rotate. The rack plate 2 315 drives the L-shaped connecting block 316 and the slide rail 303 to move while the gear 3 314 rotates. When the slide rail 303 moves, one of the return springs 1 301 is compressed and the other return spring 1 301 is released. At this time, the cylinder 306 is driven to separate the gear 1 309 and the gear 3 314, and the housing 201 is swung under the action of the return spring 1 301, so that the vibration fatigue test of the pole-mounted circuit breaker in different directions can be performed;

[0061] Step three, steam can enter the support mechanism 10 through the steam pipe 401, which can reduce the temperature and humidity inside the support mechanism 10. By driving the air pump 405 and under the action of the filter plate 404, the particulate matter in the air can be filtered, and the air is combined with the temperature produced by the semiconductor refrigeration sheet 403. Finally, the air pump 405 transports the steam to the diverter box 407 and blows it out, which can reduce the temperature and humidity inside the support mechanism 10. The vibration fatigue of the pole-mounted circuit breaker under different temperature and humidity environments can be tested. When the airflow enters the box body 402, it will drive the impeller 408, the rotating rod 409 and the fixed block 411 to rotate. At the same time, under the action of the second compression spring 412, the scraper 413 can fit with the filter plate 404. At this time, when the fixed block 411 rotates, the scraper 413 can clean the particulate matter filtered by the filter plate 404, so that the temperature and humidity adjustment mechanism 40 can continue to work;

[0062] Step 4: By turning over the handle 504, the T-shaped rod 503 can twist and compress the spring 502, which makes it easier to lift and transport the device. After the transportation is completed, the handle 504 can be loosened and the spring 502 can cause the T-shaped rod 503 to drive the handle 504 to turn in the opposite direction. At this time, the handle 504 can be put away to reduce the space occupied by the device.

[0063] Step five, when adjusting the temperature and humidity, by closing the cover 103, the positioning block 601 will enter the U-shaped plate 102 while the cover 103 is closed, and in the process of entering, it will squeeze the card block 603 and make the card block 603 compress the compression spring three 602, and when the card slot 604 moves to the original position of the card block 603, the card block 603 can be bounced into the card slot 604 through the compression spring three 602. At this time, the cover 103 can be fixed to prevent the cover 103 from moving during the test, thereby improving the accuracy of the temperature and humidity, and by pushing the dial plate 605, the connecting rod 606 can pull the card block 603 out of the middle of the card slot 604, so that the cover 103 can be quickly opened to prevent employees from contacting the vibrating pole-mounted circuit breaker when the device is started.

[0064] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fatigue testing device for a pole mounted circuit breaker, characterized in that: include: A support mechanism (10) for supporting the use of the device and providing a safe testing environment; A clamping mechanism (20) is arranged inside the supporting mechanism (10) and is used to fix the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off during a vibration test; A vibration mechanism (30) is arranged inside the support mechanism (10) and is used to test the vibration fatigue of the pole-mounted circuit breaker. The vibration mechanism (30) comprises two reset springs (301), a reset spring (305), an inclined plate (313) and a drive assembly. The reset spring (301) is fixedly connected inside the support mechanism (10), the reset spring (305) is located inside the support mechanism (10), the inclined plate (313) is located outside the clamping mechanism (20), and the drive assembly is fixedly connected inside the support mechanism (10) and is used to keep the clamped pole-mounted circuit breaker in a central position at all times. At the same time, the pole-mounted circuit breaker can be driven to move back and forth under the action of the drive assembly, and the vibration fatigue of the pole-mounted circuit breaker can be tested. A temperature and humidity adjustment mechanism (40), which is arranged outside the support mechanism (10) and is used to adjust the temperature and humidity inside the support mechanism (10), and is capable of testing the vibration fatigue of the pole-mounted circuit breaker under different environments; A turning mechanism (50) disposed outside the supporting mechanism (10) for conveniently transporting the device; The connecting mechanism (60) is arranged in the middle of the supporting mechanism (10) and is used to control the switch of the supporting mechanism (10), thereby preventing airflow leakage during vibration testing.

2. A fatigue testing device for a pole mounted circuit breaker according to claim 1, characterized in that: The support mechanism (10) comprises two shells (101), a U-shaped plate (102) is fixedly connected between the two shells (101), and a cover plate (103) is rotatably connected to the upper side of the U-shaped plate (102).

3. A fatigue testing device for a pole mounted circuit breaker according to claim 1, characterized in that: The clamping mechanism (20) comprises a housing (201), wherein the housing (201) is arranged inside the supporting mechanism (10), a worm (202) is rotatably connected to the middle of the housing (201), a worm wheel (203) is rotatably connected to the inside of the housing (201), the worm (202) and the worm wheel (203) are meshed with each other, a convex plate (204) is fixedly connected to the upper side of the worm wheel (203), two connecting plates (205) are rotatably connected to the outer side of the convex plate (204), a movable plate (206) is rotatably connected to the other side of the connecting plate (205), and the upper side of the movable plate (206) is A slider (207) is rotatably connected, and the upper sides of the two sliders (207) are fixedly connected with a clamping plate 1 (208), and the interior of the shell (201) is fixedly connected with two compression springs 1 (209), and the opposite ends of the two compression springs 1 (209) are fixedly connected with a limit block (210), and the limit block (210) is slidably connected to the middle part of the shell (201), and the upper sides of the two limit blocks (210) are fixedly connected with a clamping plate 2 (211), and the two clamping plates 2 (211) and the two clamping plates 1 (208) are fixedly connected with a rubber pad (212) on one side close to the convex plate (204).

4. A fatigue testing device for a pole mounted circuit breaker according to claim 3, characterized in that: The vibration mechanism (30) comprises two T-shaped blocks (302), the opposite sides of the two T-shaped blocks (302) are respectively fixedly connected to the adjacent ends of the two return springs (301), the upper sides of the two T-shaped blocks (302) are fixedly connected to a slide rail (303), the shell (201) is slidably connected to the upper side of the slide rail (303), the inner side wall of the support mechanism (10) is slidably connected to a slide plate (304), and the return spring (305) is fixedly connected between the shell (201) and the slide plate (304).

5. A fatigue testing device for a pole mounted circuit breaker according to claim 4, characterized in that: The driving assembly comprises a cylinder (306), wherein the cylinder (306) is fixedly connected to the interior of the supporting mechanism (10), the output end of the cylinder (306) is fixedly connected to a casing (307), the middle part of the casing (307) is fixedly connected to a motor (308), the output end of the motor (308) is fixedly connected to a gear 1 (309), the interior of the supporting mechanism (10) is rotatably connected to a gear 2 (310), the gear 2 (310) and the gear 1 (309) are meshed, the interior of the supporting mechanism (10) is slidably connected to a rack plate 1 (311), the gear 2 (310) and the rack plate 1 (311) are meshed, and the rack plate 1 (311) is fixedly connected to a side of the housing (201). A convex rod (312) is connected, the inclined plate (313) is fixedly connected to a side of the housing (201) close to the convex rod (312), the convex rod (312) is slidably connected to the middle part of the inclined plate (313), the support mechanism (10) is internally rotatably connected to a gear three (314), the gear three (314) and the gear one (309) are meshed, the support mechanism (10) is internally slidably connected to a rack plate two (315), the rack plate two (315) and the gear three (314) are meshed, the rack plate two (315) is fixedly connected to a side of the rack plate two (315) close to the slide rail (303), the other side of the L-shaped connection block (316) is fixedly connected to the upper side of the slide rail (303).

6. A fatigue testing device for a pole mounted circuit breaker according to claim 2, characterized in that: The temperature and humidity regulating mechanism (40) comprises a steam pipe (401), wherein the steam pipe (401) is fixedly connected to the middle part of one of the shells (101), a box body (402) is fixedly connected to the side of the other shell (101) away from the steam pipe (401), a semiconductor refrigeration plate (403) is fixedly connected to the upper side of the box body (402), a filter plate (404) is fixedly connected to the middle part of the box body (402), an air pump (405) is fixedly connected to the middle part of the box body (402), an input end of the air pump (405) is fixedly connected to an air inlet pipe (406), an output end of the air pump (405) is fixedly connected to a diverter box (407), and an anti-blocking component is provided in the middle part of the filter plate (404).

7. A fatigue testing device for a pole mounted circuit breaker according to claim 6, characterized in that: The anti-blocking component comprises a rotating rod (409), wherein the rotating rod (409) is rotatably connected to the middle part of the filter plate (404), and one end of the rotating rod (409) close to the box body (402) is fixedly connected to an impeller (408), and the other end of the rotating rod (409) is fixedly connected to a fixed block (411), and the interior of the fixed block (411) is fixedly connected to a second compression spring (412), and the other end of the second compression spring (412) is fixedly connected to a scraper (413), and the scraper (413) is in contact with the filter plate (404).

8. A fatigue testing device for a pole mounted circuit breaker according to claim 2, characterized in that: The flip mechanism (50) comprises two mounting plates (501), the two mounting plates (501) are respectively fixedly connected to opposite sides of the two housings (101), two spring springs (502) are fixedly connected inside the mounting plates (501), the adjacent ends of the two spring springs (502) are fixedly connected to a T-shaped rod (503), and the outer sides of the two T-shaped rods (503) are fixedly connected to a handle (504).

9. A fatigue testing device for a pole mounted circuit breaker according to claim 2, characterized in that: The connecting mechanism (60) comprises a positioning block (601), wherein the positioning block (601) is fixedly connected to the lower side of the cover plate (103), the positioning block (601) is slidably connected to the middle part of the U-shaped plate (102), a compression spring (602) is fixedly connected inside the U-shaped plate (102), the other end of the compression spring (602) is fixedly connected to the middle part of a clamping block (603), and the clamping block (603) and the positioning block (601) are connected to each other. 1) are in contact with each other, a slot (604) is provided in the middle of the positioning block (601), the block (603) and the slot (604) are plugged into each other, the middle of the U-shaped plate (102) is slidably connected to two shifting plates (605), opposite sides of the two shifting plates (605) are fixedly connected to connecting rods (606), and opposite sides of the two connecting rods (606) are respectively fixedly connected to the adjacent sides of the two block (603).

10. A testing method for a fatigue testing device for a pole mounted circuit breaker according to claim 1, using a fatigue testing device for a pole mounted circuit breaker according to any one of claims 1 to 9, comprising the following steps: Step 1: Place the pole-mounted circuit breaker on the upper side of the housing (201), and rotate the worm (202) to rotate the worm wheel (203) and the flange (204). When the flange (204) rotates, the connecting plate (205) can pull the movable plate (206) to move. At this time, the slider (207) can limit one side of the movable plate (206), and the movable plate (206) drives the slider (207) to move parallel. The two sliders (207) can drive the two clamping plates (208) to clamp and fix the pole-mounted circuit breaker. When the pole-mounted circuit breaker is placed, the clamping plate (211) can be squeezed to make the clamping plate (211) compress the compression spring (209). When the pole-mounted circuit breaker is placed, the clamping plate (211) can be squeezed under the action of the compression spring (209) to make the clamping plate (211) clamp the pole-mounted circuit breaker to prevent the pole-mounted circuit breaker from falling off. Step 2: The gear 1 (309) can be driven by the driving motor (308) to drive the gear 2 (310) to rotate. When the gear 2 (310) rotates, the rack plate 1 (311) can drive the protruding rod (312) to slide in the middle of the inclined plate (313). When sliding, the housing (201) can be squeezed and the housing (201) can be compressed by the slide plate (304). When the protruding rod (312) passes over the inclined plate (313), the housing (201) can be ejected by the slide plate (304). At this time, the housing (201) can swing back and forth by inertia, so that the fixed column-mounted circuit breaker can be subjected to a vibration fatigue test. The cylinder (306) is driven to drive the housing (307) to drive the motor (308) and the gear 1 (309). Parallel movement, while moving, the motor (308) is slowly driven to mesh the gear 1 (309) with the gear 3 (314), and the gear 3 (314) is driven to rotate. When the gear 3 (314) rotates, the rack plate 2 (315) drives the L-shaped connecting block (316) and the slide rail (303) to move. When the slide rail (303) moves, one of the return springs 1 (301) is compressed and the other return spring 1 (301) is released. At this time, the cylinder (306) is driven to separate the gear 1 (309) and the gear 3 (314), and the housing (201) is swung under the action of the return spring 1 (301), so that the vibration fatigue test of the pole-mounted circuit breaker in different directions can be performed; Step three, steam can enter the support mechanism (10) through the steam pipe (401), which can reduce the temperature and humidity inside the support mechanism (10), and by driving the air pump (405) and under the action of the filter plate (404), the particulate matter in the air can be filtered, and the air is combined with the temperature produced by the semiconductor refrigeration sheet (403), and finally transported to the diversion box (407) through the air pump (405) and blown out, which can reduce the temperature and humidity inside the support mechanism (10), and can test the column The vibration fatigue of the upper circuit breaker under different temperature and humidity environments, when the airflow enters the box body (402), it will drive the impeller (408), the rotating rod (409) and the fixed block (411) to rotate, and at the same time, under the action of the second compression spring (412), the scraper (413) and the filter plate (404) can be fitted together. At this time, when the fixed block (411) rotates, the scraper (413) can clean the particles filtered by the filter plate (404), so that the temperature and humidity adjustment mechanism (40) can continue to work; Step 4: By turning over the handle (504), the T-shaped rod (503) can twist and compress the spring (502), which makes it easier to lift the device. After the transportation is completed, the handle (504) can be loosened and the spring (502) can cause the T-shaped rod (503) to drive the handle (504) to turn in the opposite direction, and the handle (504) can be folded. Step 5: When adjusting the temperature and humidity, the cover plate (103) is closed. When the cover plate (103) is closed, the positioning block (601) enters the U-shaped plate (102), and in the process of entering, it squeezes the card block (603) so that the card block (603) compresses the compression spring three (602). When the card slot (604) moves to the original position of the card block (603), the compression spring three (602) can bounce the card block (603) into the card slot (604). At this time, the cover plate (103) can be fixed to prevent the cover plate (103) from moving during the test, thereby improving the accuracy of the temperature and humidity. By pushing the dial plate (605), the connecting rod (606) can pull the card block (603) out of the middle of the card slot (604), so that the cover plate (103) can be quickly opened.

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