CN212695336U

CN212695336U - Ground protection device for electric power construction

Info

Publication number: CN212695336U
Application number: CN202021198941.8U
Authority: CN
Inventors: 於金如
Original assignee: PowerChina Ningxia Engineering Corp Ltd
Current assignee: PowerChina Ningxia Engineering Corp Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-12
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a ground protection device for electric power construction relates to electric power construction technical field. This ground protection device for electric power construction, including first insulating line cover, first insulating line cover one end is equipped with the fixed block, and fixed block one end is equipped with the flexure strip, and first through-hole has been seted up to flexure strip one side, the inside movable rod that is equipped with of first through-hole, and movable rod one end is equipped with the fixed station, and fixed block one end is equipped with reset spring, and the reset spring top is equipped with the fly leaf. This ground protection device for electric power construction can effectually be set the wire on electric device through simple structure combination, collides wire and electric device kneck when avoiding the staff construction and makes the kneck take place not hard up lead to wire and electric device contact failure, thereby finally leads to ground protection device to become invalid and takes place a series of dangers, thereby sets up insulating protective sheath simultaneously and has avoided the wire to expose and take place easily ageing problem that the inside electric wire of lead spills and take place dangerously in the air.

Description

Ground protection device for electric power construction

Technical Field

The utility model relates to an electric power construction technical field specifically is a ground protection device for electric power construction.

Background

The protection grounding is grounding for preventing the safety of people and equipment from being endangered by electrification of a metal shell of an electrical device, a framework of a power distribution device, a line tower and the like, the protection grounding is a protection wiring mode for reliably connecting a metal part of the electrical device which is not electrified under normal conditions and possibly electrified after an insulating material is damaged or under other conditions with a grounding body by using a lead, and the grounding protection is generally used in a power supply system with a neutral point of a distribution transformer not directly grounded so as to ensure that the voltage to ground generated when the electric leakage of the electrical device is caused by insulation damage does not exceed a safety range.

The ground protection devices in the current market are various, but most of the ground protection devices have the defect of instability, many existing ground protection devices are very crude, two ends of a lead are directly used for connecting the electric device and the ground protection device, other stabilizing and protecting measures are not provided, particularly, one end of the lead connected with the electric device is exposed in the air, during construction, collision easily occurs, the interface is loosened to cause poor contact between the lead and the electric device, finally, the ground protection device fails to work, a series of dangers occur, when rainy weather and hot weather with high temperature are met, the lead is exposed in the air, aging easily occurs to cause leakage of wires inside the lead, and therefore the ground protection device for electric power construction is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a ground protection device for electric power construction to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a grounding protection device for electric power construction comprises a first insulating wire sleeve, wherein one end of the first insulating wire sleeve is fixedly connected with a fixed block, the edge of one end of the fixed block, which is close to the first insulating wire sleeve, is fixedly connected with a plurality of elastic pieces which are distributed in a circumferential array, the top of one side of the elastic sheet close to the first insulating wire sleeve is provided with a first through hole, a movable rod is arranged in the first through hole, the movable rod is movably hinged with the elastic sheet through a first through hole, one end of the movable rod, far away from the elastic sheet, is provided with a fixed table, a fixed shaft is fixedly connected inside the fixed table, the fixed table is movably hinged with the movable rod through the fixed shaft, the fixed block is close to first insulation line cover one end fixedly connected with reset spring, reset spring top fixedly connected with fly leaf, fly leaf and fixed station fixed connection.

Preferably, a first external groove is formed in the bottom of the outer side of the first insulating wire sleeve, the movable plate is connected with the first external groove in a sliding mode through a return spring, and the return spring is located on the outer side of the first insulating wire sleeve.

Preferably, the top of the outer side of the first insulation wire sleeve is fixedly connected with a first rubber sleeve, one side of the bottom of the first rubber sleeve is flush with the groove bottom surface of the bottom of the first external groove, and the first rubber sleeve is in a circular ring shape with a triangular cross section.

Preferably, one end, far away from the fixed block, of the first insulating wire sleeve is fixedly connected with a metal sleeve, and the diameter of the metal sleeve is the same as that of the fixed block.

Preferably, one end of the metal sleeve, which is far away from the first insulating wire sleeve, is fixedly connected with a second insulating wire sleeve, and one side, which is close to the metal sleeve, of the outer side of the second insulating wire sleeve is provided with threads.

Preferably, the outer side of the second insulating wire sleeve is provided with a rotating sleeve, and the rotating sleeve is in threaded connection with the second insulating wire sleeve through threads.

Preferably, the edge of the inner side of one end, close to the metal block, of the rotating sleeve is fixedly connected with a second rubber sleeve, and the second rubber sleeve is in a circular ring shape with a triangular cross section.

The utility model provides a ground protection device for electric power construction, its beneficial effect who possesses as follows:

1. this ground protection device for electric power construction passes through the elastic action between elastic sheet and the fixed block and the activity hinge joint between elastic sheet and the movable rod, the activity hinge joint between movable rod and the fly leaf and the elastic action that reset spring provided for the fly leaf, can effectually contract the elastic sheet and surround around first insulating line cover, place insulating line cover in the hole that beats before electric device lifts through the fixed block, the in-process hole constantly extrudees the elastic sheet, through the elastic sheet, the activity hinge joint between movable rod and the fly leaf, make reset spring receive the oppression, thereby make several elastic sheets draw in the gathering to the first insulating line cover outside, reset spring resumes elasticity and makes several elastic sheets resume the state of opening after first insulating line cover passes through the hole, thereby with first insulating line cover fixed block one end card in the opposite side of hole, then fix first insulating line cover and second insulating line cover through the threaded connection between rotation cover and the second insulating line cover On the both sides of the hole, the phenomenon that the interface of the lead and the electric device is loosened to cause poor contact of the lead and the electric device when workers are in construction is avoided, and finally, the grounding protection device fails to work, so that a series of dangers are generated.

2. The grounding protection device for electric power construction can effectively seal the contact parts of the first insulating wire sleeve and the second insulating wire sleeve and the hole through the first rubber sleeve and the second rubber sleeve, the first rubber sleeve and the second rubber sleeve are both in a ring shape with a triangular cross section, when the rotating sleeve is in threaded connection with the second insulating wire sleeve to enable the rotating sleeve to displace, one end of the second rubber sleeve close to the first rubber sleeve enters a gap between the second insulating wire sleeve and the hole, and the gap is blocked by the soft elasticity of the rubber, so that the phenomenon that rainwater enters the hole in rainy days to wet the metal block contacted with the lead to cause danger is avoided, simultaneously through setting up first insulating line cover and the insulating line cover of second can effectual protection wire not receive weather effect, thereby avoided the wire to expose and take place ageing easy in the air and lead to the inside electric wire of wire to spill and take place dangerous problem.

Drawings

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a sectional view of the overall structure of the present invention;

fig. 4 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a first insulated wire cover; 2. a fixed block; 3. an elastic sheet; 4. a first through hole; 5. a movable rod; 6. a return spring; 7. a movable plate; 8. a first outer groove; 9. a first rubber sleeve; 10. a metal sheath; 11. a second insulated wire cover; 12. a thread; 13. rotating the sleeve; 14. a second rubber sleeve; 15. a fixed table; 16. and fixing the shaft.

Detailed Description

The embodiment of the utility model provides a ground protection device for electric power construction, as shown in fig. 1-4, including a first insulating wire sleeve 1, one end of the first insulating wire sleeve 1 is fixedly connected with a fixed block 2, the edge of one end of the fixed block 2 near the first insulating wire sleeve 1 is fixedly connected with an elastic sheet 3, the number of the elastic sheets 3 is set to be a plurality, a plurality of the elastic sheets 3 are distributed in a circumferential array, the top of one side of the elastic sheet 3 near the first insulating wire sleeve 1 is provided with a first through hole 4, a movable rod 5 is arranged in the first through hole 4, the movable rod 5 is movably hinged with the elastic sheet 3 through the first through hole 4, one end of the movable rod 5 far away from the elastic sheet 3 is provided with a fixed table 15, the fixed table 15 is fixedly connected with a fixed shaft 16, the fixed table 15 is movably hinged with the movable rod 5 through the fixed shaft 16, one end of the fixed block, the top of the return spring 6 is fixedly connected with a movable plate 7, and the movable plate 7 is fixedly connected with a fixed platform 15.

The bottom of the outer side of a first insulating wire sleeve 1 is provided with a first outer groove 8, a movable plate 7 is connected with the first outer groove 8 in a sliding manner through a return spring 6, the return spring 6 is positioned on the outer side of the first insulating wire sleeve 1, the top of the outer side of the first insulating wire sleeve 1 is fixedly connected with a first rubber sleeve 9, one side of the bottom of the first rubber sleeve 9 is level with the groove surface of the bottom of the first outer groove 8, the first rubber sleeve 9 is in a circular ring shape with a triangular cross section, one end of the first insulating wire sleeve 1, which is far away from a fixed block 2, is fixedly connected with a metal sleeve 10, the inner side of the metal sleeve 10 is connected with a lead connector, the outer side of the metal sleeve 10 is connected with electrical equipment, the metal sleeve 10 is positioned in a hole required by fixing a lead on the electrical equipment, the radius of the metal sleeve 10 is the same as the diameter of the hole, the lead can be effectively connected, the metal sleeve 10 is far away from the first insulated wire sleeve 1 one end fixedly connected with second insulated wire sleeve 11, the second insulated wire sleeve 11 outside is close to metal sleeve 10 one side and has been seted up screw thread 12, the second insulated wire sleeve 11 outside is equipped with rotates cover 13, it is connected with 11 screw threads 12 of second insulated wire sleeve through screw thread 12 to rotate cover 13, it is close to the inboard fixedly connected with second rubber sleeve 14 of edge of metal block one end to rotate cover 13, the second rubber sleeve 14 shape is the annular of cross section triangle-shaped.

The implementation mode is specifically as follows: in the practical use process of the utility model, after the worker fixes one end of the wire and the grounding device, the worker places the other end of the wire inside the second insulating wire sleeve 11 and connects the wire connector with the metal block, then the worker sets a hole with the same size as the fixed block 2 at the non-insulating position of the electrical device according to the diameter of the fixed block 2, after the hole is set, the worker puts the fixed block 2 through the hole, the fixed block 2 extrudes a plurality of elastic sheets 3 inwards through the inner wall of the hole in the hole process, when the elastic sheets 3 extrude, through the movable hinge between the elastic sheets 3 and the movable rod 5, the elastic sheets 3 extrude the movable rod 5 inwards, when the movable rod 5 extrudes inwards, through the movable hinge between the movable rod 5 and the movable plate 7, the movable rod 5 extrudes the movable plate 7 downwards, the reset spring 6 is pressed when the movable plate 7 is downward, after the elastic pieces 3 completely pass through the holes, the return springs 6 are not pressed to restore elasticity, so that the elastic pieces 3 restore an open state, and the first insulating wire sleeve 1 is fixed on the other side of the holes.

After the first insulating wire sleeve 1 is located on the other side of the hole, a worker is connected with a thread 12 between the second insulating wire sleeve 11 through the rotating sleeve 13, the rotating sleeve 13 moves towards the hole, the non-insulating part of the electric device is fixedly clamped between the rotating sleeve 13 and the spring piece when moving through the rotating sleeve 13 and the spring piece, when the rotating sleeve 13 moves towards the hole, the first rubber sleeve 9 and the second rubber sleeve 14 simultaneously move towards the hole, gaps between the first insulating wire sleeve 1 and the second insulating wire sleeve 11 and the hole are blocked, rainwater in rainy weather is prevented from entering the hole, and therefore metal blocks in contact with the wire are wet, and danger is caused.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The technical personnel of this trade should know with ground protection device for the electric power construction, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the utility model discloses a principle, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of the utility model discloses within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ground protection device for electric power construction, includes first insulating wire cover (1), its characterized in that: first insulated wire cover (1) one end fixedly connected with fixed block (2), fixed block (2) are close to first insulated wire cover (1) one end edge fixedly connected with flexure strip (3), the quantity of flexure strip (3) sets up to a plurality of, and is a plurality of flexure strip (3) are circumference array distribution, flexure strip (3) are close to first insulated wire cover (1) one side top and have seted up first through-hole (4), first through-hole (4) inside is equipped with movable rod (5), movable rod (5) are articulated through first through-hole (4) and flexure strip (3) activity, flexure strip (3) one end is kept away from in movable rod (5) and is equipped with fixed station (15), fixed station (15) inside fixedly connected with fixed axle (16), fixed station (15) are articulated through fixed axle (16) and movable rod (5) activity, fixed block (2) are close to first insulated wire cover (1) one end fixedly connected with reset spring (6) The top of the reset spring (6) is fixedly connected with a movable plate (7), and the movable plate (7) is fixedly connected with a fixed platform (15).

2. The ground protection device for electric power construction according to claim 1, characterized in that: first outside groove (8) have been seted up to first insulated wire cover (1) outside bottom, fly leaf (7) pass through reset spring (6) and first outside groove (8) sliding connection, reset spring (6) are located first insulated wire cover (1) outside.

3. The ground protection device for electric power construction according to claim 1, characterized in that: the first insulating wire sleeve (1) is characterized in that a first rubber sleeve (9) is fixedly connected to the top of the outer side of the first insulating wire sleeve (1), one surface of the bottom of the first rubber sleeve (9) is flush with the position of the groove surface of the bottom of the first external groove (8), and the first rubber sleeve (9) is in the shape of a circular ring with a triangular cross section.

4. The ground protection device for electric power construction according to claim 1, characterized in that: one end, far away from the fixed block (2), of the first insulating wire sleeve (1) is fixedly connected with a metal sleeve (10), and the diameter of the metal sleeve (10) is the same as that of the fixed block (2).

5. The ground protection device for electric power construction according to claim 4, wherein: one end, far away from the first insulated wire sleeve (1), of the metal sleeve (10) is fixedly connected with a second insulated wire sleeve (11), and one side, close to the metal sleeve (10), of the outer side of the second insulated wire sleeve (11) is provided with a thread (12).

6. The ground protection device for electric power construction according to claim 5, wherein: the outer side of the second insulating wire sleeve (11) is provided with a rotating sleeve (13), and the rotating sleeve (13) is connected with the second insulating wire sleeve (11) through threads (12) and threads (12).

7. The ground protection device for electric power construction according to claim 6, wherein: the edge of the inner side of one end, close to the metal block, of the rotating sleeve (13) is fixedly connected with a second rubber sleeve (14), and the second rubber sleeve (14) is in a circular ring shape with a triangular cross section.