CN218513413U - Falling type fuse shields cover - Google Patents

Abstract

The utility model discloses a drop out fuse shields cover, the roof of left side board and right side board has been constructed respectively including the up end both sides, the bottom plate has been constructed jointly between the one side top in left side board and right side board in opposite directions, the one end of bottom plate has seted up U type breach of stepping down in the house, and other end structural connection has the backplate, the one side that the bottom plate was kept away from to the backplate has constructed portable handle between two parties, the bottom plate up end is constructed between two parties has the pivot, the outer fringe face of pivot goes up the symmetry rotatable installation have two be used for carrying out the centre gripping subassembly of centre gripping to the fuse knob insulator, two fixedly connected with extension spring between the one end of U type breach of stepping down is kept away from to the centre gripping subassembly, the centre gripping subassembly includes towards the centre gripping arm that U type breach of stepping down one end was constructed there is the arc end, and this drop out fuse shields cover, and is rational in infrastructure, is convenient for promoting operation safe distance, reduces the threat to operation personnel's life safety, and the practicality is strong.

Description

Falling type fuse shielding cover

Technical Field

The utility model belongs to the technical field of the fuse shields the cover, concretely relates to drop out fuse shields cover.

Background

The drop-out fuse is a short-circuit protection switch most commonly used for 10kV distribution line branch lines and distribution transformers, has the characteristics of economy, convenience in operation, strong outdoor environment adaptability and the like, and is widely applied to primary sides of the 10kV distribution lines and the distribution transformers for protection and equipment switching and cutting operation.

In the implementation process of the live working of the 10kV distribution network, when the safety distance is insufficient, shielding tools such as an insulating blanket, an insulating tube and an insulating isolation plate are needed to insulate and shield a live body or a grounding body, so that the operation personnel can be prevented from contacting equipment with different potentials at the same time to cause electric shock injury. When the drop-out fuse is shielded in an insulation way, according to the principle of shielding an electrified body and then a grounding body, an electrified lead is shielded by an insulation hose, and then the upper end of the fuse is shielded by an insulation blanket. When the operation personnel shield the operation personnel in an insulating way, the steps are complex, and potential safety hazards exist, namely when the insulating blanket shields the upper pile head, the safety distance of the hands of the operation personnel to the base or the cross arm is not enough, so that the operation personnel can easily touch the charged body and the grounding body at the same time, and the personal safety of the operation personnel is threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drop out fuse shields cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme does:

a falling type fuse shielding cover comprises a top plate, wherein a left side plate and a right side plate are respectively formed on two sides of the upper end surface of the top plate;

a bottom plate is jointly constructed between the tops of the opposite surfaces of the left side plate and the right side plate, a U-shaped abdicating notch is formed in the center of one end of the bottom plate, a back plate is connected to the other end of the bottom plate in a constructed mode, and a portable handle is constructed in the center of one surface, far away from the bottom plate, of the back plate;

the bottom plate up end is constructed the pivot between two parties, but symmetry rotatable mounting is gone up to the outer fringe face of pivot has two to be used for carrying out the centre gripping to the fuse knob insulator centre gripping subassembly, two the centre gripping subassembly is kept away from fixedly connected with extension spring between the one end of U type breach of stepping down.

Furtherly, the centre gripping subassembly includes that the one end of the breach of stepping down towards the U type is constructed the centre gripping arm that has the arc end, two centre gripping arm one side in opposite directions and the one end of the breach of stepping down towards the U type has all seted up the arc indent and has pressed from both sides the mouth among the centre gripping subassembly.

Further, a shaft hole for inserting and installing the rotating shaft is formed in the clamping arm in the middle, a limiting snap ring is constructed on the outer edge face of the top end of the rotating shaft, and two ends of the extension spring are fixedly connected to one end, far away from the arc-shaped end, of the clamping arm in the two clamping assemblies respectively.

Furthermore, the top plate is centrally provided with a U-shaped abdicating groove towards one end of the U-shaped abdicating notch.

Furthermore, both sides of the lower end face of the top plate are provided with supporting plates, and the top end structures of the supporting plates are connected to the top plate.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the setting of roof, the centre gripping subassembly, the left side board, the right side board, the backplate, portable handle, extension spring, pivot and spacing snap ring, insulating protective apparatus is dressed to the operating personnel, and portable handle on the backplate is handed to the one hand, aligns the knob insulator full skirt department on drop out fuse upper portion with the centre gripping subassembly of symmetry setting on the bottom plate, impels hard slightly, makes the knob insulator that the tight drop out fuse of centre gripping subassembly clamp, operates through gripping portable handle, has effectively prolonged the safe distance of operation to reduce the threat to operating personnel life safety.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the clamping assembly of the present invention;

fig. 3 is an enlarged schematic view of a structure a in fig. 1 according to the present invention.

In the figure: 1. a top plate; 2. a clamping assembly; 201. a clamp arm; 202. an arc-shaped end; 203. an arc-shaped concave clamping opening; 204. a shaft hole; 3. a left side plate; 4. a right side plate; 5. a back plate; 6. a portable handle; 7. a U-shaped abdicating groove; 8. a support plate; 9. an extension spring; 10. a rotating shaft; 11. a limit snap ring; 12. a U-shaped abdication gap; 13. a base plate.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 and 3, the drop-out fuse shielding cover comprises a top plate 1, wherein a left side plate 3 and a right side plate 4 are respectively constructed on two sides of an upper end face, a bottom plate 13 is jointly constructed between the top ends of the opposite sides of the left side plate 3 and the right side plate 4, a U-shaped abdicating notch 12 is formed in the center of one end of the bottom plate 13, a back plate 5 is connected with the other end of the bottom plate 5, a portable handle 6 is constructed in the center of one side of the back plate 5 far away from the bottom plate 13, a rotating shaft 10 is constructed in the center of the upper end face of the bottom plate 13, two clamping assemblies 2 for clamping fuse porcelain columns are symmetrically and rotatably installed on the outer edge face of the rotating shaft 10, an extension spring 9 is fixedly connected between the ends of the two clamping assemblies 2 far away from the U-shaped abdicating notch 12, the top plate 1, the clamping assemblies 2, the left side plate 3, the right side plate 4, the back plate 5, the portable handle 6, the extension spring 9, the rotating shaft 10 and a limiting snap ring 11 are symmetrically installed on the outer edge face, an insulating protective tool worn by an operator, the portable handle 6 is held by one hand, the operator, and the safety protective device is effectively reducing the safety distance of the safety pull-down operation of the drop-down umbrella-type fuse.

As shown in fig. 1 and fig. 2, the clamping assembly 2 includes a clamping arm 201 having an arc-shaped end 202 configured at one end facing the U-shaped abdicating notch 12, and arc-shaped concave clamping openings 203 are formed at one end of the two clamping assemblies 2 facing each other and facing the U-shaped abdicating notch 12.

As shown in fig. 1 to fig. 3, a shaft hole 204 for inserting and mounting the rotating shaft 10 is formed in the center of the clamping arm 201, a limiting snap ring 11 is configured on the outer edge surface of the top end of the rotating shaft 10, and two ends of the extension spring 9 are respectively and fixedly connected to one end of the clamping arm 201 far away from the arc-shaped end 202 in the two clamping assemblies 2.

As shown in fig. 1, a U-shaped abdicating groove 7 is formed in the middle of one end of the top plate 1 facing the U-shaped abdicating notch 12, support plates 8 are arranged on two sides of the lower end face of the top plate 1, and the top end structures of the support plates 8 are connected to the top plate 1.

The working principle is as follows: when the shielding cover for the drop-out fuse is used, an operator wears an insulating protective tool and moves the shielding cover to a proper position, an insulating hose is firstly used for shielding an upper lead, the U-shaped abdicating groove 7 in the back plate 5 is held by one hand, the U-shaped abdicating groove 7 in the top plate 1 is aligned to the upper lead, the arc-shaped inward concave clamping opening 203 of the clamping arm 201 on the bottom plate 13 is aligned to a knob insulator umbrella skirt on the upper portion of the drop-out fuse and is pushed slightly forcefully, so that the clamping arm 201 rotates around the shaft 10, the extension spring 9 is stretched under stress, the clamping arm 201 clamps a knob insulator of the drop-out fuse, and the shielding cover for the drop-out fuse is reasonable in structure, convenient to improve the operation safety distance, reduces the threat to the life safety of the operator and high in practicability.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A falling type fuse shielding cover comprises a top plate (1) of which two sides of the upper end surface are respectively provided with a left side plate (3) and a right side plate (4);

the method is characterized in that: a bottom plate (13) is jointly constructed between the top ends of the opposite surfaces of the left side plate (3) and the right side plate (4), a U-shaped abdicating notch (12) is formed in the center of one end of the bottom plate (13), a back plate (5) is connected to the other end of the bottom plate, and a portable handle (6) is constructed in the center of one surface, far away from the bottom plate (13), of the back plate (5);

bottom plate (13) up end structure placed in the middle has pivot (10), but the symmetry is rotatable to be installed on the outer fringe face of pivot (10) and two are used for carrying out centre gripping to the fuse knob insulator centre gripping subassembly (2), two fixedly connected with extension spring (9) between the one end of U type breach (12) of stepping down is kept away from in centre gripping subassembly (2).

2. A drop out fuse shroud as claimed in claim 1, wherein: centre gripping subassembly (2) are including one end structure that is equipped with arc end (202) towards U type breach (12) of stepping down centre gripping arm (201), two centre gripping arm (201) one side in opposite directions and towards U type breach (12) of stepping down one end in centre gripping subassembly (2) has all seted up arc indent clamp mouth (203).

3. A drop out fuse shroud as claimed in claim 2, wherein: shaft hole (204) that supply pivot (10) to peg graft the installation are seted up between two parties in centre gripping arm (201), construct spacing snap ring (11) on the top outer fringe face of pivot (10), the one end that arc end (202) was kept away from in two centre gripping subassemblies (2) to centre gripping arm (201) is fixed connection respectively at the both ends of extension spring (9).

4. A drop out fuse shroud as claimed in claim 1, wherein: the top plate (1) is provided with a U-shaped abdicating groove (7) towards one end of the U-shaped abdicating notch (12) in the middle.

5. A drop out fuse shadow shield according to claim 1, wherein: both sides of the lower end face of the top plate (1) are provided with supporting plates (8), and the top end of each supporting plate (8) is connected to the top plate (1).

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