CN220822200U - Power distribution cabinet grounding protection device - Google Patents

Abstract

The utility model provides a grounding protection device for a power distribution cabinet, which relates to the technical field of grounding equipment.

Description

Power distribution cabinet grounding protection device

Technical Field

The utility model relates to the technical field of grounding equipment, in particular to a grounding protection device of a power distribution cabinet.

Background

The power distribution cabinet is a generic name of a motor control center, and is used in occasions with scattered load and fewer loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. The set of equipment should provide protection, monitoring and control of the load.

However, in the prior art, in order to prevent the electrification of the external metal box, the existing outdoor power distribution cabinets are generally connected with the grounding piles on the ground by directly connecting the grounding wire with the grounding piles on the ground at the outer shell of the metal box to form grounding protection, but the grounding piles are generally deep underground by two to three meters, the grounding piles can be difficult to move after being installed, the problem that the length of the grounding wire cannot be connected with the grounding piles of the accessories due to the influence of the position of the grounding piles possibly occurs when the grounding wires are connected with the installed power distribution cabinets, and then the grounding wires are required to be removed, and suitable grounding wires are required to be found again, so that the grounding cabinet is troublesome and has low practicability.

Disclosure of utility model

The utility model aims to solve the defects in the prior art: the problem that the length of the grounding wire cannot be connected with the grounding pile of the accessory possibly occurs due to the influence of the position of the grounding wire when the grounding wire is arranged, the grounding wire needs to be dismantled, and a proper grounding wire needs to be found again, so that the power distribution cabinet is troublesome and has low practicability.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a switch board ground protection device, includes the switch board body, the bottom of switch board body is provided with the wiring end, and the bottom fixedly connected with support frame of switch board body, and the surface sliding connection of support frame has the current-conducting plate, one side fixedly connected with electric telescopic handle of this current-conducting plate, and one side fixedly connected with of electric telescopic handle and switch board body, the fixedly connected with wiring stake on the surface of current-conducting plate, threaded connection has a binding bolt on the wiring stake, the movable empty slot has been seted up in the current-conducting plate, and sliding connection has the expansion baffle in the movable empty slot, and the surface fixedly connected with metal spring of expansion baffle, the one end fixedly connected with connection baffle of this metal spring, and connection baffle and current-conducting plate fixedly connected with, the one end of this expansion baffle has been seted up indulging the interface, and is offered threaded hole on this connection piece, threaded through connection has fixing bolt on the expansion baffle.

As a preferred implementation mode, the surface fixedly connected with fixed backplate of current-conducting plate, and one side block of fixed backplate is connected with movable backplate, and sliding connection between movable backplate and the current-conducting plate, the wiring mouth has all been seted up to the upper end of fixed backplate and movable backplate.

The technical effect of adopting the further scheme is as follows: through the cooperation of fixed backplate and activity backplate, realize protecting the wiring department on the wiring stake, reduce its circumstances that leads to the fact the wiring bad that receives external influence, the earth connection is held in wiring mouth department simultaneously, has strengthened the stability of earth connection installation on the wiring stake.

As a preferred embodiment, an elastic protection pad is fixedly connected to the surface of the wiring port.

The technical effect of adopting the further scheme is as follows: the elastic protection pad plays a role in buffering, and damage of the grounding wire when the wiring port is extruded is reduced.

As a preferred embodiment, part of the surfaces of the conducting plate, the fixed guard plate, the movable guard plate and the expanding guide plate are brushed with insulating paint.

The technical effect of adopting the further scheme is as follows: the arrangement of the insulating paint can reduce the occurrence of electric shock when the device is used, and improve the use safety.

As a preferred embodiment, the fixing bolt is provided with a reinforcement on its outer surface.

The technical effect of adopting the further scheme is as follows: the reinforcement comprises a nut and a gasket, and the stability of the tight connection between the expansion guide plate and the surface of the grounding pile is further improved through the extrusion of the nut and the gasket to one side of the grounding pile on the ground.

Compared with the prior art, the utility model has the advantages and positive effects that:

According to the utility model, the grounding wire is connected between the wiring terminal at the bottom of the power distribution cabinet body and the wiring pile, the grounding wire is connected with a shorter road section, meanwhile, when the length of the grounding wire is insufficient to be connected with the grounding pile on the ground, the grounding wire is prolonged at one end of the conductive plate by pulling the expansion guide plate, and finally, the grounding wire is stably connected with the grounding pile with the aid of the fixing bolt, and the situation that the length of the grounding wire is insufficient is compensated by prolonging the expansion guide plate, so that the device does not need to be removed and replaced when the length of the grounding wire is insufficient, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a grounding protection device of a power distribution cabinet provided by the utility model;

Fig. 2 is a schematic structural diagram of the periphery of a connection pile of a grounding protection device of a power distribution cabinet;

Fig. 3 is a schematic structural diagram of a grounding protection device of a power distribution cabinet on a conductive plate;

Fig. 4 is an enlarged view of a portion a in fig. 3 of a ground protection device for a power distribution cabinet provided by the utility model.

Legend description:

1. A power distribution cabinet body; 2. a support frame; 3. a conductive plate; 31. an electric telescopic rod; 4. wiring piles; 5. a wiring bolt; 6. fixing a guard board; 7. a movable guard board; 8. an elastic pad; 9. expanding the guide plate; 10. a metal spring; 11. a connecting guide plate; 12. a connecting block; 13. a fixing bolt; 14. and (3) a reinforcement.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a switch board ground protection device, including switch board body 1, the bottom of switch board body 1 is provided with the wiring end, the setting of wiring end makes things convenient for the earth connection to carry out erection joint in the bottom of switch board body 1, and the bottom fixedly connected with support frame 2 of switch board body 1, and the surface sliding connection of support frame 2 has electric plate 3, one side fixedly connected with electric telescopic link 31 of this electric plate 3, and one side fixedly connected with switch board body 1 of electric telescopic link 31, electric telescopic link 31's setting can control electric plate 3 and reciprocate, reach the effect of adjusting the upper and lower position of expanding baffle 9 and ground connection stake butt joint, can adjust according to actual conditions, make things convenient for expanding baffle 9 and ground connection stake to carry out smooth connection, electric plate 3's fixedly connected with wiring stake 4 on the surface, threaded connection has wiring bolt 5 on the wiring stake 4, the wiring bolt 5 plays a role of fixing one end of the grounding wire, the movable empty slot is arranged in the conducting plate 3, the expansion guide plate 9 is connected in a sliding manner in the movable empty slot, the situation that the length of the grounding wire is insufficient is made up by prolonging the expansion guide plate 9, the expansion guide plate 9 replaces the grounding wire to realize the butt joint with the grounding pile, the outer surface of the expansion guide plate 9 is fixedly connected with the metal spring 10, the metal spring 10 can enable the expansion guide plate 9 to quickly and automatically reset when the connection with the grounding pile is released, simultaneously, the expansion guide plate 9 can be limited from disorder movement after reset, most of the expansion guide plate 9 can be stably protected in the conducting plate 3, the damage condition is reduced, one end of the metal spring 10 is fixedly connected with the connecting guide plate 11, the connecting guide plate 11 is fixedly connected with the conducting plate 3, one end of the expansion guide plate 9 is provided with a longitudinal butt joint interface, and the connecting block 12 is fixedly connected near the longitudinal butt joint opening, the whole expansion guide plate 9 can be in butt joint with the grounding pile in the transverse and longitudinal directions through the arrangement of the interface and the connecting block 12, the butt joint convenience can be selectively improved by a plurality of butt joint modes, the connecting block 12 is provided with a threaded hole, the expansion guide plate 9 is in threaded through connection with a fixing bolt 13, and the fixing bolt 13 plays a role in fixedly connecting the expansion guide plate 9 with the grounding pile.

Example 2

As shown in fig. 1-4, the fixed backplate 6 is fixedly connected to the outer surface of the conductive plate 3, one side of the fixed backplate 6 is clamped and connected with the movable backplate 7, and the movable backplate 7 is slidably connected with the conductive plate 3, the connection position on the wiring pile 4 is protected by matching the fixed backplate 6 with the movable backplate 7, the situation that poor wiring is caused by external influence is reduced, the connection openings are formed in the upper ends of the fixed backplate 6 and the movable backplate 7, the grounding wire is clamped at the connection openings, the stability of the grounding wire installed on the wiring pile 4 is reinforced, an elastic protection pad 8 is fixedly connected to the surface of the connection openings, the elastic protection pad 8 plays a buffering role, damage of the grounding wire when the connection openings extrude is reduced, the electric shock situation of the conductive plate 3, the fixed backplate 6, the movable backplate 7 and part of the surface of the expansion guide plate 9 can be reduced by matching, the arrangement of the insulating paint, the occurrence of the situation of electric shock situation when the device is used is reduced, the safety of use is improved, the reinforcing member 14 is arranged on the outer surface of the fixing bolt 13, the reinforcing member 14 comprises a nut and a gasket, the gasket 13 is connected with the pad through penetrating connection with the fixing bolt 13, and the nut is tightly matched with the screw-connected to the surface of the expansion bolt 13, and the surface of the expansion bolt is tightly connected with the pad 9.

Working principle:

As shown in fig. 1-4, when the utility model is used, the grounding wire of the power distribution cabinet body 1 is required, but the length of the grounding wire is insufficient and cannot be connected with the grounding pile on the ground, firstly, the expansion guide plate 9 is manually pulled out from the conductive plate 3, the metal springs 10 of the expansion guide plate 9 and the connection guide plate 11 are extruded and contracted, when the expansion guide plate 9 is extended to the vicinity of the grounding pile, the grounding pile is selected to be transversely butted with the expansion guide plate 9 according to the orientation of the threaded connection hole on the grounding pile, or is longitudinally butted at the longitudinal butt joint opening, when the expansion guide plate 9 and the grounding pile are required to be fixedly connected, if the threaded hole on the expansion guide plate 9 and the threaded connection hole on the grounding pile are not aligned up and down, the effect of adjusting the up and down positions of the expansion guide plate 9 on the support frame 2 can be achieved through the extension or contraction of the electric telescopic rods 31, the smooth connection of the expansion guide plate 9 and the grounding pile reinforcement can be ensured, after the adjustment, the fixing bolts 13 are rotationally transferred to the expansion guide plate 9, the reinforcement 14 and the grounding pile are connected, and after the fixing bolts 14 are rotated upwards to move one side of the grounding pile to improve the stability, and the fixing connection can be conveniently installed on the connecting block 12 if the fixing bolts are adopted.

After the connection of the extended guide plate 9 and the grounding pile is completed, one end of the grounding wire is installed at the bottom of the power distribution cabinet body 1, the other end of the power distribution cabinet body 1 is connected with the wiring pile 4, fixing is completed through the wiring bolt 5, then the movable guard plate 7 is pushed to enable the movable guard plate 7 to be connected with the fixed guard plate 6 in a clamping mode, the wiring end on one side of the grounding wire is protected, meanwhile, the elastic protection pad 8 can squeeze the grounding wire, the squeezing damage of the grounding wire is reduced, the stability of the grounding wire installed on the wiring pile 4 is reinforced, the whole grounding connection of the device is completed, when the power distribution cabinet body 1 is in a leakage state, current can enter the conductive plate 3 and the wiring pile 4 along the grounding wire, then the current in the conductive plate 3 can be transmitted to the connecting guide plate 11, the metal spring 10 and the extended guide plate 9, and finally the current is transmitted to the grounding pile from the extended guide plate 9, and the grounding protection is completed.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides a switch board ground protection device, includes switch board body (1), its characterized in that: the bottom of switch board body (1) is provided with the wiring end, and the bottom fixedly connected with support frame (2) of switch board body (1), and the surface fixedly connected with current-conducting plate (3) of support frame (2), one side fixedly connected with electric telescopic link (31) of this current-conducting plate (3), and one side fixedly connected with wiring stake (4) of one end of electric telescopic link (31) and switch board body (1), threaded connection has wiring bolt (5) on wiring stake (4), movable empty slot has been seted up in current-conducting plate (3), and sliding connection has expansion baffle (9) in the movable empty slot, and the surface fixedly connected with metal spring (10) of expansion baffle (9), one end fixedly connected with connection baffle (11) of this metal spring (10), and connection baffle (11) and current-conducting plate (3) fixedly connected with, the one end of this expansion baffle (9) has been seted up and has been indulged near fixedly connected with connecting block (12), threaded hole has been seted up on this connecting block (12) on expansion baffle (9) through-screw thread connection (13).

2. The power distribution cabinet ground protection device according to claim 1, wherein: the electric conduction plate is characterized in that a fixed guard plate (6) is fixedly connected to the outer surface of the electric conduction plate (3), a movable guard plate (7) is connected to one side of the fixed guard plate (6) in a clamping mode, the movable guard plate (7) is connected with the electric conduction plate (3) in a sliding mode, and wiring ports are formed in the upper ends of the fixed guard plate (6) and the movable guard plate (7).

3. The power distribution cabinet ground protection device according to claim 2, wherein: an elastic protection pad (8) is fixedly connected to the surface of the wiring port.

4. The power distribution cabinet ground protection device according to claim 2, wherein: and part of the surfaces of the conducting plate (3), the fixed guard plate (6), the movable guard plate (7) and the expansion guide plate (9) are brushed with insulating paint.

5. The power distribution cabinet ground protection device according to claim 1, wherein: a reinforcement (14) is arranged on the outer surface of the fixing bolt (13).