Multi-fault inversion device for disassembled old transformer

Abstract

The invention relates to an old transformer disassembly multi-fault inversion device, which comprises a demonstration table and a transfer trolley, a positioning pin is arranged on the side of the demonstration table, a cable support is arranged on the rear side of the demonstration table, a wire clamp is arranged on the front side of the cable support, the wire clamp comprises symmetrically arranged clamping rings, a reset spring is arranged between the two clamping rings, and the reset spring is connected with the transfer trolley. Moving wheels are arranged at the bottom of the transfer trolley, a carrier plate is arranged on the upper side of the transfer trolley, a transformer is placed above the carrier plate, and a shifting mechanism is arranged in the demonstration table. According to the device, the operation risk caused by frequent climbing operation and contact with field equipment is eliminated. Hand and brain combination can be met, and the characteristics and requirements of skill training are better met. The device has the advantages of being convenient to install and move, simple, rapid, safe and reliable.

Description

Technical Field

[0001] The invention belongs to the technical field of demolition equipment for old transformers, and in particular relates to a multi-fault inversion device for old transformers. Background Art

[0002] The existing distribution transformers are directly disposed of according to the waste procedures after being dismantled and cannot be fully reused. For some grassroots units, there is a certain amount of waste. Combining the idea of ​​saving and reuse, the old transformers are used for transformation to achieve multi-fault inversion, conduct intuitive training, improve the utilization rate of waste equipment, save training investment funds and improve training effects. At present, when the transformer fails, the transformer will be withdrawn from the power grid, and then the transformer will be sent to the maintenance workshop to dismantle the transformer to analyze the fault point and cause of the fault. This is very inefficient and there is a certain amount of waste in manpower, material and financial resources. In order to enable maintenance personnel to quickly and accurately determine the cause and location of the fault, a simple, fast and easy-to-use multi-fault inversion device for dismantling old transformers is needed. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a multi-fault inversion device for dismantling old transformers which is easy to install, convenient to move, simple, fast, safe and reliable.

[0004] The objective of the present invention is achieved in this way: a multi-fault inversion device for dismantling old transformers, which comprises a demonstration platform and a transfer vehicle, wherein positioning pins are arranged on the sides of the demonstration platform, a cable bracket is arranged on the rear side of the demonstration platform, a wire clamp is arranged on the front side of the cable bracket, the wire clamp comprises symmetrically arranged clamp rings, a reset spring is arranged between the two clamp rings, moving wheels are arranged on the bottom of the transfer vehicle, a carrier plate is arranged on the upper side of the transfer vehicle, a transformer is placed above the carrier plate, and a shifting mechanism is arranged inside the demonstration platform.

[0005] A protective plate is arranged on the front side of the demonstration platform, and the material of the protective plate is transparent tempered glass.

[0006] The shifting mechanism includes a slot and a gear plate. The slot is located in the middle of the inner side of the demonstration table. A motor is arranged above the slot. A driving gear is arranged at the output end of the motor. The driving gear is located inside the slot. The gear plate is fixed to the front and rear sides of the transfer vehicle. The gear plate cooperates with the driving gear.

[0007] There are two driving gears inside the slot.

[0008] Pulleys are arranged below the two driving gears, the pulleys are fixed to the driving gears via a connecting shaft, and a transmission belt is arranged between the two pulleys.

[0009] A lifting mechanism is arranged between the transfer trolley and the carrier plate, and the lifting mechanism includes a cross rod, a fixed foot is arranged on the right side of the transfer trolley, a shift frame is arranged on the left side of the transfer trolley, the right end of the cross rod is hinged with the fixed foot, a push rod is arranged on the left end of the cross rod, the push rod cooperates with the shift frame through a slider, a sleeve is arranged in the middle of the push rod, a clamping seat is arranged in the middle of the transfer trolley, a lifting screw is connected to the inside of the clamping seat through a bearing, the lifting screw and the sleeve are screwed to each other, and a turning handle is arranged on the end of the lifting screw.

[0010] A clamping screw is arranged inside the carrier plate, a collar is threadedly arranged on the outside of the clamping screw, a clamping plate is fixedly arranged on the outside of the collar, and a rotating block is arranged at the end of the clamping screw.

[0011] The clamping plate is located on the upper side of the carrier plate, and a pad is arranged on the inner side of the clamping plate.

[0012] The surface of the liner is provided with anti-skid patterns.

[0013] Beneficial effects of the present invention: By setting up a demonstration platform, a transfer vehicle and related cable brackets and other structures, the device provides a convenient and practical platform for fault inversion of old transformers. The protective plate is made of transparent tempered glass, which not only provides a good perspective effect, convenient for observing the process of transformer fault inversion, but also increases the safety during operation to prevent accidental injuries caused by misoperation or transformer failure. The shifting mechanism realizes the automatic movement of the transfer vehicle through the cooperation of the driving gear and the toothed plate driven by the motor, thereby improving work efficiency. The design of the lifting mechanism enables the transformer on the carrier to be easily lifted and lowered to meet different operating requirements. By turning the lifting screw by turning the handle, the height of the carrier can be accurately controlled, which enhances the flexibility and convenience of operation. The clamping screw, collar and clamping plate structure inside the carrier provide a stable clamping effect for the transformer to prevent the transformer from sliding or falling during operation. The present invention has the advantages of easy installation, convenient movement, simple and fast, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall structural diagram of a multi-fault inversion device for dismantling old transformers according to the present invention.

[0015] Figure 2 The present invention is a top view of a wire clamp of a multi-fault inversion device for dismantling old transformers.

[0016] Figure 3 This is a top view of the structure of a card slot of a multi-fault inversion device for dismantling old transformers according to the present invention.

[0017] Figure 4 This is a structural diagram of the driving gear of a multi-fault inversion device for dismantling old transformers according to the present invention.

[0018] Figure 5 This is a structural diagram of a transfer vehicle for a multi-fault inversion device for dismantling old transformers according to the present invention.

[0019] Figure 6 This is a structural diagram of the operation of a lifting mechanism of a multi-fault inversion device for dismantling old transformers according to the present invention.

[0020] Figure 7 This is a structural diagram of a clamping screw of a multi-fault inversion device for dismantling an old transformer according to the present invention.

[0021] In the figure: 1, demonstration table 2, transfer vehicle 3, positioning pin 4, cable bracket 5, wire clamp 6, clamp ring 7, reset spring 8, protective plate 9, moving wheel 10, carrier plate 11, slot 12, tooth plate 13, driving gear 14, pulley 15, connecting shaft 16, transmission belt 17, motor 18, lifting mechanism 19, cross rod 20, fixed foot 21, shift frame 22, push rod 23, slider 24, card seat 25, lifting screw 26, sleeve 27, turning handle 28, clamping screw 29, collar 30, splint 31, rotating block 32, gasket. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings. Example

[0023] like Figure 1-2 As shown, a multi-fault inversion device for dismantling old transformers comprises a demonstration platform 1 and a transfer vehicle 2, wherein a positioning pin 3 is arranged on the side of the demonstration platform 1, a cable bracket 4 is arranged on the rear side of the demonstration platform 1, a wire clamp 5 is arranged on the front side of the cable bracket 4, the wire clamp 5 comprises symmetrically arranged clamp rings 6, a return spring 7 is arranged between the two clamp rings 6, a moving wheel 9 is arranged on the bottom of the transfer vehicle 2, a carrier plate 10 is arranged on the upper side of the transfer vehicle 2, a transformer is placed above the carrier plate 10, and a shifting mechanism is arranged inside the demonstration platform 1.

[0024] A protective plate 8 is provided on the front side of the demonstration platform 1 , and the material of the protective plate 8 is transparent tempered glass.

[0025] When the present invention is in use, it is ensured that the structures of the demonstration platform 1, the transfer vehicle 2, the cable support 4, the shifting mechanism, the lifting mechanism and other parts are intact without damage or looseness. The old transformer to be inverted is placed on the carrier 10 of the transfer vehicle 2 to ensure that the transformer is stable and will not slip. The transformer is connected to the power cord, signal cord and other cables of the transformer by the cable clamp 5 on the cable support 4 to arrange and fix them to ensure that the cables will not interfere with the placement and demonstration of the transformer. The design of the reset spring 7 enables the clamp 5 to easily clamp and release the cable, which is convenient for connecting and disconnecting the cable. According to the type of fault to be simulated, the corresponding fault point is set on the transformer, such as low-voltage side fault, high-voltage side fault, fault simulation switch circuit, etc. The operating status and fault performance of the transformer are observed through the protective plate 8 made of transparent tempered glass. The device eliminates the operational risks caused by frequent climbing operations and contact with on-site equipment. It can meet the combination of hands and brains and is more in line with the characteristics and needs of skill training. Operation and maintenance personnel can conduct regular practical training and conduct inverse discussions on problems encountered during operation and maintenance, which will enable them to have a more comprehensive understanding of transformer failures and improve the operation and maintenance capabilities of the core team. Example

[0026] like Figure 1-4 As shown, a multi-fault inversion device for dismantling old transformers comprises a demonstration platform 1 and a transfer vehicle 2, wherein a positioning pin 3 is arranged on the side of the demonstration platform 1, a cable bracket 4 is arranged on the rear side of the demonstration platform 1, a wire clamp 5 is arranged on the front side of the cable bracket 4, the wire clamp 5 comprises symmetrically arranged clamp rings 6, a return spring 7 is arranged between the two clamp rings 6, a moving wheel 9 is arranged on the bottom of the transfer vehicle 2, a carrier plate 10 is arranged on the upper side of the transfer vehicle 2, a transformer is placed above the carrier plate 10, and a shifting mechanism is arranged inside the demonstration platform 1.

[0027] For better effect, a protective plate 8 is arranged on the front side of the demonstration platform 1, and the material of the protective plate 8 is transparent tempered glass. The protective plate 8 can ensure the safety during the demonstration and avoid accidents.

[0028] For better effect, the shifting mechanism includes a slot 11 and a tooth plate 12. The slot 11 is located in the middle of the inner side of the demonstration platform 1. A motor 17 is arranged above the slot 11. A driving gear 13 is arranged at the output end of the motor 17. The driving gear 13 is located inside the slot 11. The tooth plate 12 is fixed to the front and rear sides of the transfer vehicle 2, and the tooth plate 12 and the driving gear 13 cooperate with each other.

[0029] For better effect, the number of driving gears 13 inside the card slot 11 is set to two. Two or more driving gears 13 can be set to ensure the continuity and stability of the transfer vehicle 2 moving inside the demonstration platform 1.

[0030] For better effect, pulleys 14 are arranged below the two driving gears 13, the pulleys 14 and the driving gears 13 are fixed by a connecting shaft 15, and a transmission belt 16 is arranged between the two pulleys 14. The transmission belt 16 can drive the pulleys 14 to rotate synchronously.

[0031] When the present invention is in use, it is ensured that the demonstration platform 1, the transfer vehicle 2, the cable support 4, the shifting mechanism, the lifting mechanism and other parts are structurally intact without damage or looseness. The dismantled old transformer to be inverted is placed on the carrier 10 of the transfer vehicle 2 to ensure that the transformer is stable and will not slip. Connect the transformer with the cable, and use the wire clamp 5 on the cable support 4 to organize and fix the power cord, signal cord and other cables of the transformer to ensure that the cables will not interfere with the placement and demonstration of the transformer. The design of the reset spring 7 enables the wire clamp 5 to easily clamp and release the cable, which is convenient for connecting and disconnecting the cable. According to the type of fault to be simulated, the corresponding fault point is set on the transformer, such as a low-voltage side fault, a high-voltage side fault, a fault simulation switch circuit, etc. The operating status and fault performance of the transformer are observed through a protective plate 8 made of transparent tempered glass. Furthermore, the transfer vehicle 2 is freely moved inside the demonstration platform 1 through a shifting mechanism, and the shifting mechanism is preferably: start the motor 17, the motor 17 will drive the drive gear 13 to rotate in the slot 11, and since the two drive gears 13 are provided with pulleys 14 below and are connected by a transmission belt 16, the two drive gears 13 will rotate synchronously. When the drive gears 13 rotate, they will mesh with the tooth plate 12 and push the transfer vehicle 2 to move along the inside of the demonstration platform 1. The design of the tooth plate 12 enables the transfer vehicle 2 to move forward or backward smoothly under the push of the drive gear 13. This device eliminates the operational risks caused by frequent high-altitude operations and contact with on-site equipment. It can meet the combination of hands and brains and is more in line with the characteristics and needs of skill training. Operation and maintenance personnel can conduct practical training regularly, inversely discuss the problems encountered during operation and maintenance, and have a more comprehensive understanding of transformer failures, thereby improving the operation and maintenance capabilities of the core team. Example

[0032] like Figure 1-7 As shown, a multi-fault inversion device for dismantling old transformers comprises a demonstration platform 1 and a transfer vehicle 2, wherein a positioning pin 3 is arranged on the side of the demonstration platform 1, a cable bracket 4 is arranged on the rear side of the demonstration platform 1, a wire clamp 5 is arranged on the front side of the cable bracket 4, the wire clamp 5 comprises symmetrically arranged clamp rings 6, a return spring 7 is arranged between the two clamp rings 6, a moving wheel 9 is arranged on the bottom of the transfer vehicle 2, a carrier plate 10 is arranged on the upper side of the transfer vehicle 2, a transformer is placed above the carrier plate 10, and a shifting mechanism is arranged inside the demonstration platform 1.

[0033] For better effect, a protective plate 8 is arranged on the front side of the demonstration platform 1, and the material of the protective plate 8 is transparent tempered glass. The protective plate 8 can ensure the safety during the demonstration and avoid accidents.

[0034] For better effect, the shifting mechanism includes a slot 11 and a tooth plate 12. The slot 11 is located in the middle of the inner side of the demonstration platform 1. A motor 17 is arranged above the slot 11. A driving gear 13 is arranged at the output end of the motor 17. The driving gear 13 is located inside the slot 11. The tooth plate 12 is fixed to the front and rear sides of the transfer vehicle 2, and the tooth plate 12 and the driving gear 13 cooperate with each other.

[0035] For better effect, the number of driving gears 13 inside the card slot 11 is set to two. Two or more driving gears 13 can be set to ensure the continuity and stability of the transfer vehicle 2 moving inside the demonstration platform 1.

[0036] For better effect, pulleys 14 are arranged below the two driving gears 13, the pulleys 14 and the driving gears 13 are fixed by a connecting shaft 15, and a transmission belt 16 is arranged between the two pulleys 14. The transmission belt 16 can drive the pulleys 14 to rotate synchronously.

[0037] For better effect, a lifting mechanism 18 is arranged between the transfer cart 2 and the carrier plate 10, and the lifting mechanism 18 includes a cross rod 19, a fixed foot 20 is arranged on the right side of the transfer cart 2, and a shift frame 21 is arranged on the left side of the transfer cart 2. The right end of the cross rod 19 is hinged with the fixed foot 20, and a push rod 22 is arranged at the left end of the cross rod 19. The push rod 22 cooperates with the shift frame 21 through a slider 23, and a sleeve 26 is arranged in the middle of the push rod 22. A card seat 24 is arranged in the middle of the transfer cart 2, and a lifting screw 25 is connected to the inside of the card seat 24 through a bearing. The lifting screw 25 and the sleeve 26 are screwed to each other, and a turning handle 27 is arranged at the end of the lifting screw 25.

[0038] For better effect, a clamping screw 28 is arranged inside the carrier 10, a collar 29 is screwed on the outside of the clamping screw 28, a clamping plate 30 is fixed on the outside of the collar 29, and a rotating block 31 is arranged at the end of the clamping screw 28. The rotating block 31 drives the clamping screw 28 to rotate, thereby driving the collar 29 and the clamping plate 30 to move closer to or away from each other.

[0039] For better effect, the clamping plate 30 is located on the upper side of the carrier plate 10 , and a pad 32 is disposed inside the clamping plate 30 .

[0040] For better effect, anti-skid patterns are provided on the surface of the pad 32. The anti-skid patterns can increase the friction between the pad 32 and the transformer, making the placement of the transformer more stable.

[0041] When the present invention is in use, it is ensured that the structures of the demonstration platform 1, the transfer vehicle 2, the cable support 4, the shifting mechanism, the lifting mechanism and other parts are intact without damage or looseness. The old transformer to be inverted is placed on the carrier 10 of the transfer vehicle 2 to ensure that the transformer is stable and will not slip. The transformer is connected to the power cord, signal cord and other cables of the transformer by the cable clamp 5 on the cable support 4 to arrange and fix them to ensure that the cables do not interfere with the placement and demonstration of the transformer. The design of the reset spring 7 enables the clamp 5 to easily clamp and release the cable, which is convenient for connecting and disconnecting the cable. According to the type of fault to be simulated, the corresponding fault point is set on the transformer, such as a low-voltage side fault, a high-voltage side fault, a fault simulation switch circuit, etc. The operating state and fault performance of the transformer are observed through a protective plate 8 made of transparent tempered glass. Further, the lifting mechanism 18 is preferably: holding the handle 27, and rotating the lifting screw 25 through the handle 27. Since the lifting screw 25 and the sleeve 26 are screwed together, the push rod 22 cooperates with the shift frame 21 through the slider 23. Rotating the lifting screw 25 will push the sleeve 26 and the push rod 22 connected to it to move along the shift frame 21, thereby achieving the lifting of the carrier 10. To lower the carrier 10, just rotate the lifting screw 25 clockwise. This device eliminates the operational risks caused by frequent high-altitude operations and contact with on-site equipment. It can meet the combination of hands and brains, and is more in line with the characteristics and needs of skill training. Operation and maintenance personnel can conduct practical training regularly, reversely discuss the problems encountered during operation and maintenance, and have a more comprehensive understanding of transformer failures, thereby improving the operation and maintenance capabilities of the core team.

Claims

1. A multi-fault inversion device for dismantling old transformers, comprising a demonstration platform and a transfer vehicle, characterized in that: A positioning pin is arranged on the side of the demonstration table, a cable bracket is arranged on the rear side of the demonstration table, a wire clamp is arranged on the front side of the cable bracket, the wire clamp includes symmetrically arranged clamping rings, a return spring is arranged between the two clamping rings, moving wheels are arranged at the bottom of the transfer vehicle, a carrier plate is arranged on the upper side of the transfer vehicle, a transformer is placed above the carrier plate, and a shifting mechanism is arranged inside the demonstration table.

2. A multi-fault inversion device for dismantling old transformers as claimed in claim 1, characterized in that: A protective plate is arranged on the front side of the demonstration platform, and the material of the protective plate is transparent tempered glass.

3. A multi-fault inversion device for dismantling old transformers as claimed in claim 1, characterized in that: The shifting mechanism includes a slot and a gear plate. The slot is located in the middle of the inner side of the demonstration table. A motor is arranged above the slot. A driving gear is arranged at the output end of the motor. The driving gear is located inside the slot. The gear plate is fixed to the front and rear sides of the transfer vehicle. The gear plate cooperates with the driving gear.

4. A multi-fault inversion device for dismantling old transformers as claimed in claim 3, characterized in that: There are two driving gears inside the slot.

5. A multi-fault inversion device for dismantling old transformers as claimed in claim 4, characterized in that: Pulleys are arranged below the two driving gears, the pulleys are fixed to the driving gears via a connecting shaft, and a transmission belt is arranged between the two pulleys.

6. The multi-fault inversion device for dismantling old transformers as claimed in claim 1, characterized in that: A lifting mechanism is arranged between the transfer trolley and the carrier plate, and the lifting mechanism includes a cross rod, a fixed foot is arranged on the right side of the transfer trolley, a shift frame is arranged on the left side of the transfer trolley, the right end of the cross rod is hinged with the fixed foot, a push rod is arranged on the left end of the cross rod, the push rod cooperates with the shift frame through a slider, a sleeve is arranged in the middle of the push rod, a clamping seat is arranged in the middle of the transfer trolley, a lifting screw is connected to the inside of the clamping seat through a bearing, the lifting screw and the sleeve are screwed to each other, and a turning handle is arranged on the end of the lifting screw.

7. A multi-fault inversion device for dismantling old transformers as claimed in claim 6, characterized in that: A clamping screw is arranged inside the carrier plate, a collar is threadedly arranged on the outside of the clamping screw, a clamping plate is fixedly arranged on the outside of the collar, and a rotating block is arranged at the end of the clamping screw.

8. A multi-fault inversion device for dismantling old transformers as claimed in claim 7, characterized in that: The clamping plate is located on the upper side of the carrier plate, and a pad is arranged on the inner side of the clamping plate.

9. A multi-fault inversion device for dismantling old transformers as claimed in claim 8, characterized in that: The surface of the liner is provided with anti-skid patterns.

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