CN211208696U - Ground hanging and dismounting device for grounding wire of primary equipment of transformer substation - Google Patents

Abstract

The utility model discloses a dismouting is hung on transformer substation's primary equipment earth connection ground, including the bottom plate, be fixed with on the bottom plate and insert ground conducting rod, insert ground conducting rod bottom and be equipped with pre-buried ground plate, insert ground conducting rod top and be equipped with fixed current conducting plate, the bottom plate top is equipped with the insulating casing, and rotatory conducting rod has been inserted to the insulating casing top, and binding post is installed at rotatory conducting rod top, and rotatory conducting rod bottom is equipped with the activity current conducting plate, is fixed with the spring between activity current conducting plate and the insulating casing. This primary equipment earth connection ground of transformer substation is hung dismouting and is put and can convenient and fast's switch-on or disconnection ground connection circuit, and early warning power is sufficient, and ground connection stability is good, and ground connection is hung the dismouting structure and is the sealed design moreover, is difficult to corroded or influenced.

Description

Ground hanging and dismounting device for grounding wire of primary equipment of transformer substation

Technical Field

The utility model relates to a power equipment field, in particular to primary equipment earth connection ground of transformer substation hangs dismouting and puts.

Background

The main primary equipment of the transformer substation is as follows: the device comprises a main transformer, an isolating switch, a lightning arrester, a voltage transformer, a bus (a support type bus, a suspension type bus and a soft bus), a current transformer and a circuit breaker. And the primary equipment of the transformer substations is always required to be provided with a grounding line. The ground position that the primary equipment of transformer substation and pre-buried ground connection current conducting plate in the underground are connected needs to be designed into the structure that can freely hang and tear open, conveniently puts through or breaks off the ground connection circuit at any time, is convenient for maintain the circuit. The ground hanging and dismounting device of the ground wire of the existing primary equipment of the transformer substation is designed to be more traditional, mostly in a hook structure, a closed structure is not adopted, and the early warning capability is insufficient, so that the stability of grounding is poor. And the grounding conductive part is exposed to the outside and is easy to be corroded or influenced by the outside.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a dismouting is hung on transformer substation's primary equipment earth connection ground and is put, switch-on or disconnection ground connection circuit that can convenient and fast, and the early warning power is sufficient, and ground connection stability is good, and ground connection is hung and is torn open the structure and for the sealed design moreover, is difficult to corroded or is influenced.

The utility model aims at adopting following technical scheme to realize, a dismouting device is hung on transformer substation's primary equipment earth connection ground, including the flat-plate bottom plate, the vertical fixation has the straight shaft-like ground conducting rod of inserting on the bottom plate, it is equipped with the flat pre-buried ground plate perpendicularly to insert ground conducting rod bottom, it is equipped with the flat fixed current conducting plate perpendicularly to insert ground conducting rod top, the bottom plate top is equipped with the insulating casing of cover shape, the insulating casing will fix the current conducting plate and insert ground conducting rod and wrap, the insulating casing top has inserted the straight shaft-like rotatory conducting rod, binding post is installed at rotatory conducting rod top, rotatory conducting rod bottom is equipped with flat movable current conducting plate perpendicularly, can laminate with fixed current conducting plate overlap joint after the activity current conducting plate is rotatory, be fixed with the spring between activity current conducting plate and the insulating casing, the spring wraps up.

Preferably, the bottom plate and the insulating shell are both made of hard PVC plastic, and the bottom plate and the insulating shell are connected through screws.

Preferably, the fixed conductive plate, the ground inserting conductive rod and the embedded ground plate are all made of copper alloy, and the ground inserting conductive rod is connected with the fixed conductive plate and the embedded ground plate through welding.

Preferably, the movable conductive plate and the rotating conductive rod are both made of copper alloy, and the rotating conductive rod is connected with the movable conductive plate by welding.

Preferably, the spring is made of spring steel, and the spring is connected with the movable conductive plate and the insulating case by screws.

The beneficial effect of adopting above technical scheme is: when the ground hanging and dismounting device for the primary equipment ground wire of the transformer substation is installed, the embedded ground plate can be embedded underground, the bottom plate is horizontally arranged and fixed on the ground, and the primary equipment ground wire of the transformer substation is fixedly connected with the wiring terminal. The rotary conducting rod is pressed down and rotated, the spring is stretched, the movable conducting plate and the fixed conducting plate are tightly attached and connected, and then the grounding circuit can be formed by the wiring terminal, the rotary conducting rod, the movable conducting plate, the fixed conducting plate, the ground inserting conducting rod and the embedded grounding plate. The rotating conducting rod is rotated to stagger the movable conducting plate and the fixed conducting plate, the spring rebounds to drive the movable conducting plate to move upwards to be away from the fixed conducting plate, and then the grounding circuit can be disconnected. This primary equipment earth connection ground of transformer substation is hung dismouting and is put and can convenient and fast's switch-on or disconnection ground connection circuit, and early warning power is sufficient, and ground connection stability is good, and ground connection is hung the dismouting structure and is the sealed design moreover, is difficult to corroded or influenced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of a ground mounting and dismounting device for a grounding wire of primary equipment of a transformer substation;

fig. 2 is the utility model discloses the sectional view of primary equipment earth connection ground of transformer substation hangs dismouting and puts.

The device comprises an insulating shell, a movable conducting plate, a fixed conducting plate, a ground inserting conducting rod, a pre-embedded grounding plate, a bottom plate, a connecting terminal, a rotating conducting rod and a spring, wherein the insulating shell is 1-the insulating shell, the movable conducting plate is 2-the fixed conducting plate is 3-the ground inserting conducting rod is 4-the pre-embedded grounding plate is 5-the bottom plate is 6-the connecting terminal is.

Detailed Description

As shown in figure 1 of the drawings, in which, 2 it is shown, the utility model discloses a dismouting is hung on transformer substation's primary equipment earth connection ground, including flat-plate bottom plate 6, the vertical fixation has straight shaft-like ground conducting rod 4 of inserting on the bottom plate 6, insert 4 bottoms of ground conducting rod and be equipped with flat pre-buried ground plate 5 perpendicularly, insert 4 tops of ground conducting rod and be equipped with flat fixed current conducting plate 3 perpendicularly, 6 tops of bottom plate are equipped with the insulating casing 1 of cover shape, insulating casing 1 will fix current conducting plate 3 and insert ground conducting rod 4 and wrap, insulating casing 1 top is inserted straight shaft-like rotatory conducting rod 8, binding post 7 is installed at 8 tops of rotatory conducting rod, 8 bottoms of rotatory conducting rod are equipped with flat movable current conducting plate 2 perpendicularly, movable current conducting plate 2 can laminate with fixed current conducting plate 3 overlap joint after the rotation, be fixed with spring 9 between movable current conducting plate 2 and the insulating casing 1, spring 9 wraps up rotatory pole 8.

The bottom plate 6 and the insulating shell 1 are both made of hard PVC plastics, so that the insulating shell is firm and durable, has good insulating capability, and is connected with the bottom plate 6 through screws. The insulation shell 1 wraps the rotary conducting rod 8, the movable conducting plate 2, the fixed conducting plate 3, the ground inserting conducting rod 4 and the embedded ground plate 5 to prevent the rotary conducting rod from being corroded or influenced by the outside. The fixed conductive plate 3, the ground inserting conductive rod 4 and the embedded ground plate 5 are all made of copper alloy, the conductivity is good, and the ground inserting conductive rod 4 is connected with the fixed conductive plate 3 and the embedded ground plate 5 through welding. The movable conductive plate 2 and the rotary conductive rod 8 are both made of copper alloy, the conductivity is good, and the rotary conductive rod 8 is connected with the movable conductive plate 2 through welding. The spring 9 is made of spring steel, the elasticity is good, when the movable conducting plate 2 is in lap joint with the fixed conducting plate 3, the spring 9 is in a stretching state, and the spring 9 is connected with the movable conducting plate 2 and the insulating shell 1 through screws.

When the ground hanging and dismounting device for the primary equipment ground wire of the transformer substation is installed, the embedded ground plate 5 can be embedded underground, the bottom plate 6 is horizontally arranged and fixed on the ground, and the primary equipment ground wire of the transformer substation is fixedly connected with the wiring terminal 7. The rotating conducting rod 8 is pressed down and rotated, the extension spring 9 enables the movable conducting plate 2 to be tightly attached to the fixed conducting plate 3, and then the grounding circuit can be formed by the wiring terminal 7, the rotating conducting rod 8, the movable conducting plate 2, the fixed conducting plate 3, the ground inserting conducting rod 4 and the embedded grounding plate 5. Rotating the rotatory conducting rod 8, letting activity current conducting plate 2 stagger with fixed current conducting plate 3, spring 9 kick-backs, drives activity current conducting plate 2 and shifts up and keep away from with fixed current conducting plate 3, alright disconnection ground connection. This primary equipment earth connection ground of transformer substation is hung dismouting and is put and can convenient and fast's switch-on or disconnection ground connection circuit, and early warning power is sufficient, and ground connection stability is good, and ground connection is hung the dismouting structure and is the sealed design moreover, is difficult to corroded or influenced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a dismouting is put on transformer substation's primary equipment earth connection ground, its characterized in that: the ground-inserting conductive rod comprises a flat-plate-shaped bottom plate (6), a straight-rod-shaped ground-inserting conductive rod (4) is vertically fixed on the bottom plate (6), a flat-plate-shaped pre-embedded ground plate (5) is vertically arranged at the bottom of the ground-inserting conductive rod (4), a flat-plate-shaped fixed conductive plate (3) is vertically arranged at the top of the ground-inserting conductive rod (4), a cover-shaped insulating shell (1) is arranged at the top of the bottom plate (6), the fixed conductive plate (3) and the ground-inserting conductive rod (4) are wrapped by the insulating shell (1), a straight-rod-shaped rotating conductive rod (8) is inserted at the top of the insulating shell (1), a wiring terminal (7) is installed at the top of the rotating conductive rod (8), a flat-plate-shaped movable conductive plate (2) is vertically arranged at the bottom of the rotating conductive rod (8), the movable conductive plate (2) can, the spring (9) wraps the rotary conducting rod (8).

2. The ground hanging and dismounting device for the grounding wire of the substation primary equipment according to claim 1, characterized in that: the bottom plate (6) and the insulating shell (1) are both made of hard PVC plastics, and the bottom plate (6) is connected with the insulating shell (1) through screws.

3. The ground hanging and dismounting device for the grounding wire of the substation primary equipment according to claim 1, characterized in that: the fixed conductive plate (3), the ground inserting conductive rod (4) and the embedded ground plate (5) are all made of copper alloy, and the ground inserting conductive rod (4) is connected with the fixed conductive plate (3) and the embedded ground plate (5) through welding.

4. The ground hanging and dismounting device for the grounding wire of the substation primary equipment according to claim 1, characterized in that: the movable conductive plate (2) and the rotary conductive rod (8) are both made of copper alloy, and the rotary conductive rod (8) is connected with the movable conductive plate (2) through welding.

5. The ground hanging and dismounting device for the grounding wire of the substation primary equipment according to claim 1, characterized in that: the spring (9) is made of spring steel, and the spring (9) is connected with the movable conductive plate (2) and the insulating shell (1) through screws.

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