Gradient insulation hydraulic lifting electrical equipment test bed

Abstract

The utility model discloses a gradient insulation hydraulic lifting electrical equipment test bed, which comprises a bearing table and equipment insulation lock plates distributed on the surface of the bearing table, lifting legs are arranged at the bottom of the bearing table and used for driving the bearing device to ascend and descend. An insulating covering layer is laid on the table surface of the bearing table to form an insulating bearing table surface; the device insulation locking plate supports a device to be subjected to an insulation test, and fixes the device on the insulation bearing table top through a locking structure on the device insulation locking plate. Comprising a bottom transporting device which is composed of a trackless steering wheel electric trolley and used for transporting the bearing device to a preset position and then automatically evacuating. According to the utility model, through dual insulation guarantee of table board insulation and lock plate insulation, electrical grounding of equipment is avoided, high-insulation safety protection is provided, and the safety and accuracy of an equipment insulation test are ensured.

Description

Technical Field

[0001] This utility model belongs to the field of electrical equipment insulation testing technology, and in particular relates to a gradient insulation hydraulic lifting electrical equipment test bench. Background Technology

[0002] In the field of insulation testing for high-voltage electrical equipment, traditional load-bearing devices generally suffer from problems such as a single level of insulation protection and poor adaptability to equipment fixation. Existing technologies mostly use fixed-height metal stands with simple insulating pads, which have drawbacks such as difficulty in equipment adjustment, high risk of partial discharge, and insufficient positioning accuracy during transportation. Especially when testing large-tonnage equipment, insulation breakdown and mechanical displacement often lead to distortion of test data. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a gradient insulation hydraulic lifting electrical equipment test bench, which avoids the occurrence of electric grounding of the equipment through the double insulation protection of the table surface and the locking plate, provides high insulation safety protection, and ensures the safety and accuracy of the equipment insulation test.

[0004] Technical Solution: To achieve the above objectives, this utility model provides a gradient insulation hydraulic lifting electrical equipment test bench, comprising a support platform and equipment insulation locking plates distributed on the platform surface; the bottom of the support platform is provided with lifting legs for driving the support device to achieve lifting; the platform surface of the support platform is covered with an insulating covering layer to form an insulating support platform; the equipment insulation locking plates support the equipment to be tested for insulation and fix the equipment to the insulating support platform through a locking structure thereon.

[0005] Furthermore, the insulating covering layer is composed of an epoxy insulating board and a rubber insulating board laid sequentially on the support platform surface, and the epoxy insulating board and the rubber insulating board form a double-layer insulating structure.

[0006] Furthermore, the equipment's insulating lock plate is composed of an insulating pad laid on a steel plate.

[0007] Furthermore, the insulating pad, rubber insulating board, and epoxy insulating board constitute a three-level insulation system with gradient insulation protection.

[0008] Furthermore, the locking structure is a device fixing bolt that is movably connected to the device insulating lock plate.

[0009] Furthermore, the support platform is a steel frame welded from H-beams, and the lifting legs are connected to the steel frame.

[0010] Furthermore, a hydraulic system is installed inside the steel frame, and the lifting leg is a hydraulic lifting leg. The hydraulic system controls the hydraulic lifting leg to perform extension and retraction actions.

[0011] Furthermore, it includes a bottom transport device, consisting of a trackless steering wheel electric trolley, used to transport the carrier to a predetermined position and then automatically detach it.

[0012] Furthermore, a pair of side clamping mechanisms are provided at the bottom of the support platform. These side clamping mechanisms are arranged in the front and rear positions relative to the bottom transport device to clamp the sides of the bottom transport device in the front and rear during the transport of the support device.

[0013] Furthermore, the side clamping mechanism is a hydraulically driven side clamping mechanism controlled by the hydraulic system.

[0014] Beneficial effects: This utility model avoids electrical contact with the equipment by providing double insulation protection through tabletop insulation and locking plate insulation, providing high insulation safety protection, ensuring the safety and accuracy of equipment insulation testing, and the lifting design of the support platform facilitates the transportation of the support platform carrying the equipment by a trackless steering wheel electric trolley. Moreover, the locking structure of the equipment insulation locking plate fixes the equipment during transportation, preventing equipment displacement and improving stability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the insulating covering layer;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the equipment's insulating lock plate. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] like Figure 1 and Figure 2As shown, a gradient-insulated hydraulic lifting electrical equipment test bench includes a support platform 1 and equipment insulation locking plates 2 distributed on the surface of the support platform 1. The support platform 1 has lifting legs 3 at its bottom for driving the support device to lift and lower. An insulating covering layer 4 is laid on the surface of the support platform 1, forming an insulating support platform 10. The equipment insulation locking plates 2 support the equipment to be tested for insulation and are fixed to the insulating support platform 10 by a locking structure 20. A bottom transport device 5, consisting of a trackless steering wheel electric trolley, is included to transport the support device to a predetermined position and then automatically detach. This invention avoids electrical contact with the equipment by providing double insulation protection through platform insulation and locking plate insulation, offering high insulation safety protection, ensuring the safety and accuracy of equipment insulation testing. Furthermore, the liftable design of the support platform 1 facilitates transportation of the support platform 1 carrying the equipment by the trackless steering wheel electric trolley. During transportation, the locking structure 20 of the equipment insulation locking plates 2 secures the equipment, preventing displacement and improving stability.

[0021] The trackless steering wheel electric trolley has the advantages of strong site adaptability and accurate navigation, and its automatic evacuation avoids electromagnetic interference.

[0022] like Figure 3 As shown, the insulating covering layer 4 is composed of an epoxy insulating board 4.1 and a rubber insulating board 4.2 sequentially laid on the surface of the support platform 1. The epoxy insulating board 4.1 and the rubber insulating board 4.2 form a double-layer insulation structure. The epoxy insulating board 4.1 provides rigid support, and the rubber insulating board 4.2 enhances elastic insulation. The double dielectric insulation increases the breakdown voltage threshold, and the complementary materials extend the service life of the insulation layer.

[0023] like Figure 4 As shown, the insulating locking plate 2 of the equipment is composed of an insulating pad 2.2 laid on a steel plate 2.1. The steel plate 2.1 ensures structural strength, and the insulating pad 2.2 achieves insulation of the contact surface. The combination of rigidity and flexibility avoids stress concentration, and the layered structure facilitates the replacement of the easily damaged insulating pad 2.2.

[0024] The locking structure 20 is a device fixing bolt that is slackly connected to the device insulating locking plate 2. The adjustable fastening can adapt to the size of different devices, and the mechanical connection reliability is higher than that of electromagnetic fixing, and it is convenient for quick loading and unloading.

[0025] The support platform 1 is a steel frame welded from H-beams, and the lifting legs 3 are connected to the steel frame. The steel structure ensures the overall load-bearing strength, the modular welding facilitates customized dimensions, and the frame structure reduces the overall weight, achieving lightweight design.

[0026] A hydraulic system is installed within the steel frame, and the lifting leg 3 is a hydraulic lifting leg. The hydraulic system controls the hydraulic lifting leg to perform extension and retraction actions. The hydraulic power output is stable and reliable, accurately controlling the lifting stroke and achieving automation.

[0027] The bottom of the support platform 1 is provided with a pair of side clamping mechanisms 6. The pair of side clamping mechanisms 6 are arranged in the front and rear directions relative to the bottom transport device 5 so as to clamp the sides of the bottom transport device 5 in the front and rear during the transport of the support device, realize the anti-displacement design in dynamic transport, and ensure transport stability through front and rear bidirectional constraints.

[0028] The side clamping mechanism 6 is a hydraulically driven side clamping mechanism controlled by the hydraulic system. It shares a power source with the hydraulic lifting leg, and the pressure is adjustable to adapt to different loads. The hydraulically driven side clamping mechanism includes a horizontal hydraulic rod, a clamping plate is installed at the front end of the horizontal hydraulic rod, and the rear end of the horizontal hydraulic rod is a mounting base for connecting the support platform 1.

[0029] It is worth noting that the insulating pad 2.2, rubber insulating board 4.2, and epoxy insulating board 4.1 of this utility model constitute a three-level insulation system with gradient insulation protection, which greatly improves the insulation performance. Among them, the insulation strength of the insulating pad 2.2, rubber insulating board 4.2, and epoxy insulating board 4.1 increases sequentially. The insulating pad 2.2 is made of phenolic resin material (insulation strength 12-16kv / mm) or ordinary rubber material (insulation strength 15-20kv / mm) which is not silicone, the rubber insulating board 4.2 is made of silicone rubber material (insulation strength 20-25kv / mm), and the epoxy insulating board 4.1 is made of epoxy resin material (insulation strength 25-35kv / mm).

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A gradient insulated hydraulic hoist electrical equipment test bench, characterized in that: It includes a support platform (1) and equipment insulation lock plates (2) distributed on the platform surface of the support platform (1); the bottom of the support platform (1) is provided with lifting legs (3) for driving the support device to lift; the platform surface of the support platform (1) is covered with an insulation covering layer (4) to form an insulation support platform (10); the equipment insulation lock plate (2) supports the equipment to be tested for insulation and fixes the equipment on the insulation support platform (10) through the locking structure (20) on it.

2. A gradient insulation hydraulic hoist electrical equipment test bench according to claim 1, characterized in that: The insulating covering layer (4) is composed of an epoxy insulating board (4.1) and a rubber insulating board (4.2) laid sequentially on the surface of the support platform (1). The epoxy insulating board (4.1) and the rubber insulating board (4.2) form a double-layer insulating structure.

3. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 2, characterized in that: The equipment insulation lock plate (2) is composed of an insulation pad (2.2) laid on a steel plate (2.1).

4. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 3, characterized in that: The insulating pad (2.2), rubber insulating board (4.2), and epoxy insulating board (4.1) constitute a three-level insulation system with gradient insulation protection.

5. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 1, characterized in that: The locking structure (20) is a device fixing bolt that is detachably connected to the device insulating lock plate (2).

6. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 1, characterized in that: The support platform (1) is a steel frame welded from H-beams, and the lifting leg (3) is connected to the steel frame.

7. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 6, characterized in that: The steel frame is equipped with a hydraulic system, and the lifting leg (3) is a hydraulic lifting leg. The hydraulic system controls the hydraulic lifting leg to perform extension and retraction actions.

8. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 7, characterized in that: It includes a bottom transport device (5), which consists of a trackless steering wheel electric trolley, used to transport the carrier to a predetermined position and then automatically detach it.

9. The test bench for gradient insulation hydraulic lifting electrical equipment according to claim 8, characterized in that: The bottom of the support platform (1) is provided with a pair of side clamping mechanisms (6), which are arranged in the front and rear directions relative to the bottom transport device (5) to clamp the sides of the bottom transport device (5) in the front and rear during the transport of the support device.

10. A gradient insulated hydraulic hoist electrical equipment test bench according to claim 9, characterized in that: The side clamping mechanism (6) is a hydraulically driven side clamping mechanism controlled by the hydraulic system.

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