CN220367840U - Economical grounding switch - Google Patents

Abstract

The utility model discloses an economic grounding switch, which comprises a grounding switch frame, a static knife mounting base, a spring operating mechanism, a static knife body, a static knife head, a movable knife head, a three-phase short-circuit copper pipe and a grounding copper wire, wherein the three-phase short-circuit copper pipe and the grounding copper wire are mutually combined to play a role, and the static knife body and the static knife head adopt a split structure, so that the processing and maintenance cost is low; the static knife of the grounding switch is damaged, and only the knife head is needed to be replaced, so that the whole grounding switch is not needed to be replaced; the whole structure size can be set to be consistent with the old model, and the earthing switch of the old model can be directly replaced, so that the earthing switch is convenient and quick.

Description

Economical grounding switch

Technical Field

The utility model relates to the field of grounding switches, in particular to an economic grounding switch.

Background

The grounding switch is a mechanical grounding device for releasing static charges of overhauled equipment and circuits and ensuring personal safety of overhaulers during power failure overhauling. It can withstand current for a certain period of time in abnormal situations (e.g. short circuit) but not normally through load current.

The 10kV grounding switch is a common grounding device of the 10kV switch cabinet, and the grounding function is completed through the closing grounding of a movable knife and a static knife in the grounding switch cabinet. Which is typically part of an isolating switch. The movable knife and the static knife are made of pure copper, wherein the static knife comprises a knife head and a knife body which are made of integral pure copper, and the integral replacement cost is high during maintenance.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an economic grounding switch to solve the problems.

In order to achieve the above object, the present utility model is achieved by the following technical scheme.

The utility model provides an economical earthing switch, includes earthing switch frame, quiet sword installation base, spring operating device, quiet sword blade, quiet sword tool bit, move tool bit, three-phase short circuit copper pipe, ground connection copper line, earthing switch frame is connected with quiet sword installation base, spring operating device one end swing joint earthing switch frame, the other end and move tool bit swing joint, quiet sword blade is fixed in quiet sword installation base's top, quiet sword tool bit and quiet sword blade split type are connected, ground connection copper line and move tool bit are connected, quiet sword blade and quiet sword bit both adopt split type structure, processing and maintenance cost are low; the static knife of the grounding switch is damaged, and only the knife head is needed to be replaced, so that the whole grounding switch is not needed to be replaced; the whole structure size can be set to be consistent with the old model, and the earthing switch of the old model can be directly replaced, so that the earthing switch is convenient and quick.

Preferably, the static knife body is provided with a base mounting hole, a static knife mounting hole and a clamping groove.

Preferably, the base mounting hole of the static knife body is detachably connected with the static knife mounting base through a bolt.

Preferably, the static cutter head is provided with a connecting hole.

Preferably, the static cutter head is T-shaped

Preferably, the static cutter mounting hole of the static cutter body corresponds to the connecting hole of the static cutter head, and the static cutter head penetrates through the clamping groove to be connected with the static cutter body through bolts.

Preferably, the static cutter head is made of TY2 pure copper.

Preferably, the static cutter body is a steel plate stamping part.

Preferably, the thickness of the steel plate stamping part is 2-6 mm.

Preferably, the thickness of the steel plate stamping part is 4mm.

Compared with the prior art, the utility model discloses an economic grounding switch, which comprises a grounding switch frame, a static knife mounting base, a spring operating mechanism, a static knife blade, a static knife head, a movable knife head, a three-phase short circuit copper pipe and a grounding copper wire, wherein the three-phase short circuit copper pipe and the grounding copper wire are mutually combined to play a role, and the static knife blade and the static knife head adopt a split structure, so that the processing and maintenance cost is low; the static knife of the grounding switch is damaged, and only the knife head is needed to be replaced, so that the whole grounding switch is not needed to be replaced; the whole structure size can be set to be consistent with the old model, and the earthing switch of the old model can be directly replaced, so that the earthing switch is convenient and quick.

Drawings

Fig. 1 is a schematic diagram of a closing state structure of an economic grounding switch of the present utility model;

FIG. 2 is a schematic diagram of the switch-off state of the economical grounding switch of the present utility model;

FIG. 3 is a schematic diagram of an economical grounding switch according to the present utility model;

FIG. 4 is a schematic diagram of an economical grounding switch according to the present utility model;

FIG. 5 is a schematic structural view of a stationary blade body and a stationary blade head of the present utility model;

FIG. 6 is a schematic structural view of a stationary blade body and a stationary blade head of the present utility model;

FIG. 7 is a schematic structural view of a stationary blade body of the present utility model;

fig. 8 is a schematic structural view of a static cutter head according to the present utility model.

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.

The utility model provides an economical earthing switch, includes earthing switch frame 1, quiet sword installation base 2, spring operating mechanism 3, quiet sword blade 4, quiet sword tool bit 5, move tool bit 6, three-phase short circuit copper pipe 7, ground connection copper line 8, earthing switch frame 1 is connected with quiet sword installation base 2, spring operating mechanism 3 one end swing joint earthing switch frame 1, the other end corresponds with moving tool bit 6 swing joint, quiet sword blade 4 is fixed in quiet sword installation base 2's top, quiet sword tool bit 5 is connected with quiet sword blade 4 split type, ground connection copper line 8 is connected with moving tool bit 6, be equipped with base mounting hole, quiet sword mounting hole, draw-in groove on quiet sword blade 4, the base mounting hole of quiet sword blade 4 passes through the bolt and is detachably connected with quiet sword installation base 2, be equipped with the connecting hole on quiet sword tool bit 5, quiet sword mounting hole of quiet sword blade 4 corresponds with quiet sword tool bit 5's connecting hole, and quiet sword blade 5 passes the draw-in groove and is the quiet sword tool bit 4, the steel sheet thickness is the steel sheet is that the TY is 2 mm, the steel sheet is 4, the TY is the steel sheet thickness is 2 mm.

The movable cutter head 6 of the grounding switch is closed with the static cutter head 5, the grounding switch is closed and grounded, the main loop of the switch cabinet is grounded, the movable cutter head 6 of the grounding switch is opened and closed with the static cutter head 5, the main loop of the switch cabinet is disconnected with the grounding loop, the static cutter head 5 and the static cutter body 4 of the scheme are of split type design, the grounding function of the grounding switch can be realized on the premise of ensuring that the whole size of the grounding switch is unchanged, and only the static cutter head 5 needs to be replaced when the cost is saved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An economical grounding switch, characterized in that: including earthing switch frame (1), quiet sword installation base (2), spring operating device (3), quiet sword blade (4), quiet sword tool bit (5), move tool bit (6), three-phase short circuit copper pipe (7), ground connection copper line (8), earthing switch frame (1) is connected with quiet sword installation base (2), spring operating device (3) one end swing joint earthing switch frame (1), the other end and move tool bit (6) swing joint, quiet sword blade (4) are fixed in the top of quiet sword installation base (2), quiet sword tool bit (5) and quiet sword blade (4) split type are connected, ground connection copper line (8) are connected with moving tool bit (6).

2. The economical grounding switch as recited in claim 1, wherein: the static knife body (4) is provided with a base mounting hole, a static knife mounting hole and a clamping groove.

3. The economical grounding switch as recited in claim 2, wherein: the base mounting hole of the static knife body (4) is detachably connected with the static knife mounting base (2) through a bolt.

4. An economical grounding switch as in claim 3, wherein: the static cutter head (5) is provided with a connecting hole.

5. The economical grounding switch as defined in claim 4, wherein: the static cutter head (5) is T-shaped.

6. The economical grounding switch as recited in claim 5, wherein: the static cutter mounting hole of the static cutter body (4) corresponds to the connecting hole of the static cutter head (5), and the static cutter head (5) penetrates through the clamping groove and is connected with the static cutter body (4) through bolts.

7. The economical grounding switch as defined in claim 6, wherein: the static cutter head (5) is made of TY2 pure copper.

8. The economical grounding switch as recited in claim 7, wherein: the static knife body (4) is a steel plate stamping part.

9. The economical grounding switch as recited in claim 8, wherein: the thickness of the steel plate stamping part is 2-6 mm.

10. The economical grounding switch as recited in claim 9, wherein: the thickness of the steel plate stamping part is 4mm.