CN217485736U

CN217485736U - Novel earth connection of transformer substation device

Info

Publication number: CN217485736U
Application number: CN202221547904.2U
Authority: CN
Inventors: 刘光; 王志刚; 孙振兴; 余振洲; 翟敬宇; 尹路; 马催; 王健; 周文; 刘晓东; 李珊珊; 邵鹏程; 周思玉; 郑凯
Original assignee: State Grid Corp of China SGCC; Huaibei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Huaibei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-23
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a novel grounding wire connecting device for transformer substation, the operating rod comprises a loop bar and a connecting rod, the mounting rack is movably sleeved at the upper end of the connecting rod, the clamping device comprises a fixed plate, the fixed plate is movably mounted at the upper end of the mounting rack, the upper end of the outer side of the fixed plate is connected with a second fixed shaft, the outer side of the second fixed shaft is articulated with the grounding wire, the right side of the fixed plate is movably connected with a movable plate, the upper end of the movable plate is fixedly connected with a fixed clamp mouth, the lower end of the movable plate is movably connected with a movable clamp mouth, the movable clamp mouth is connected with one end of a stay cord, the other end of the stay cord sequentially passes through the inner cavity of the movable plate, the mounting rack is connected with the inner cavity of the loop bar, the grounding position can finish grounding work with different angles, different thicknesses and different diameters, the structural design is reasonable, the grounding wire end clamping opening is durable, light in weight and easy to popularize.

Description

Novel earth connection of transformer substation device

Technical Field

The utility model relates to an earth connection technical field specifically is a novel earth connection of transformer substation device.

Background

The grounding wires used in the existing transformer substation are different in types and mostly spiral, and the purpose that a conducting wire end clamping opening of the grounding wire is clamped with a grounding part is achieved by rotating an operating handle by an operator;

because the conductor end and the grounding lead in the actual situation are thicker and heavier, the shapes, the thicknesses and the angles of different grounding points are different, the grounding wires required by different conductive parts are different, the different mounting forms of the different grounding wires are different, the sizes of openings are different, the safety tool management and the selection of the grounding wire required by the grounding point are not only unfavorable, and the insulating glove is needed to be worn to hold the operating rod of the grounding wire to be screwed up in a circle, the operation is difficult to consume more time, the power failure time of the switching operation and the timeliness of power transmission recovery are greatly prolonged, the power supply reliability is further influenced, even more serious conditions can be carelessly dropped to cause the damage of an insulating porcelain bottle and the injury of operators below the insulating porcelain bottle, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: how to solve the problem that the work efficiency of connecting the grounding wire is low due to the topographic problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a novel earth connection of transformer substation device, includes action bars, mounting bracket, clamping device, stay cord, the action bars includes loop bar, connecting rod, the mounting bracket activity is cup jointed in the upper end of connecting rod, clamping device includes the fixed plate, fixed plate movable mounting is in the upper end of mounting bracket, the outside upper end of fixed plate is connected with the second fixed axle, the outside and the earth connection of second fixed axle articulate mutually, the right side swing joint of fixed plate has the fly leaf, the upper end fixedly connected with fixation clamp mouth of fly leaf, the lower extreme swing joint of fly leaf has the activity to press from both sides the mouth, just the activity presss from both sides the mouth and is connected with the one end of stay cord, the other end of stay cord passes inner chamber, the mounting bracket of fly leaf in proper order and is connected with the inner chamber of loop bar.

This application can be according to the actual conditions of job site, through stirring the fixed plate, make it carry out the adjustment of angle to the clamping device, through the pulling loop bar, make the stay cord downstream who is connected with the loop bar, and then make activity clamp mouth rebound, it is fixed to carry out the centre gripping, make it can enough be applicable to different diameter circular wire, also be applicable to in transformer gap bridge generating line and the handcart cubical switchboard, when the electroplax is in the slope installation, through the pulling fly leaf, make it break away from the fixed plate, according to the angle of actual conditions adjustment fly leaf, rethread pulling loop bar, make the clamp mouth fix the centre gripping to the electroplax, thereby guarantee that this application is not restricted by earth connection point position, the problem of having solved and having leaded to connect earth connection work efficiency low because of the topography problem is solved.

Preferably: a through hole is formed in the middle of the lower end of the mounting frame, and one end of the pull rope penetrates through the through hole and extends to an inner cavity of the connecting rod to be fixedly connected with the loop bar.

Preferably: the mounting bracket further comprises a first fixing shaft, and one end of the first fixing shaft penetrates through the inner wall of the mounting bracket and extends to the inner side to be movably connected with the fixing plate.

The advantages are that: the fixed plate can move in the inner cavity of the mounting frame.

Preferably: and the outer side of the second fixed shaft is sleeved with a limiting block, and one end of the grounding wire is hung and buckled on the outer side of the limiting block.

The advantages are that: the grounding wire is prevented from falling off when being hung on the outer side of the clamping device.

Preferably: one end of the second fixed shaft penetrates through the inner wall of the fixed plate and extends to the outer side to be movably connected with the movable plate.

The advantages are that: the angle adjustment of the limiting block is facilitated.

Preferably: the movable plate is provided with a sliding groove, the movable clamping opening is connected to the inner cavity of the sliding groove in a sliding mode, and the elastic energy storage device is arranged at the tail end, located in the inner cavity of the sliding groove, of the movable clamping opening.

The advantages are that: the movable clamping opening can slide more conveniently.

Preferably: the inner cavity of the fixing plate is fixedly connected with a damping structure, and one end of the pull rope is connected with the damping structure in a winding mode.

The advantages are that: the movable clamping opening can be fixedly clamped.

Preferably: a through groove is formed in the position, corresponding to the damping structure, of the outer side of the fixing plate, and one side of the damping structure extends to the outer side of the through groove.

Preferably: and a plurality of sawteeth are arranged on one corresponding side of the fixed clamping opening and the movable clamping opening.

The advantages are that: the anti-skid performance of the clamping opening is improved.

Preferably: the lower end of the operating rod is sleeved with a connecting port in a sliding mode, and a T-shaped connecting groove is formed in the middle of the connecting port.

The advantages are that: the connecting rod can be conveniently clamped.

Compared with the prior art, the beneficial effects of the utility model are that: according to the method, the angle of the fixing plate is adjusted according to the field use condition, so that the fixing clamp opening and the movable clamp opening of the fixing plate can be suitable for round wires with different diameters and are also suitable for a transformer bridge bus and a handcart switch cabinet, and meanwhile, the angle of the movable plate is adjusted, so that the fixing clamp opening and the movable clamp opening are not limited by the position of a grounding point, and the problem of low work efficiency of connecting a grounding wire due to the terrain problem is effectively solved;

the elastic energy storage device arranged at the tail end of the movable clamping opening ensures that the self-locking device in the clamping opening can not open the clamped clamping opening by itself under the condition that the operating rod is not manually pushed by the device, and is safe and reliable;

the lower end of the operating rod is provided with the connecting port, so that the device can be prolonged and constructed by clamping the connecting rod with the connecting port through the connecting groove under the condition of insufficient height;

different angles, different thickness, the different diameters of ground connection position can be accomplished to this application and the ground connection work is overhauld, and is light in weight, uses lightly, and structural design is reasonable, and the texture is exquisite, durable, and ground connection terminal presss from both sides a mouthful light in weight, has improved the practicality of this application greatly, easily promotes.

Drawings

Fig. 1 is a schematic front view of the overall structure of a novel grounding wire connecting device of a transformer substation according to an embodiment of the present invention;

fig. 2 is a schematic front view of a partial structure of a novel grounding wire connecting device of a transformer substation according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a novel grounding wire connecting device of a transformer substation according to an embodiment of the present invention;

fig. 4 is a schematic side view of the embodiment of the present invention in fig. 3;

fig. 5 is a schematic diagram of the embodiment of the present invention in fig. 3;

fig. 6 is the embodiment of the utility model provides a novel earth connection of transformer substation device's overall structure schematic cross-sectional view.

In the figure: 1-an operating lever; 11-a loop bar; 12-a connecting rod; 2-a mounting rack; 21-a through hole; 22-a first fixed shaft; 3-a clamping device; 31-a fixing plate; 311-through groove; 312-a second fixed axis; 32-a restriction block; 33-a movable plate; 331-a chute; 34-fixing the clip mouth; 35-movable nip; 351-elastic energy storage devices; 36-saw teeth; 37-a damping structure; 4-connecting port; 41-connecting groove; 5-pulling the rope.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the embodiment discloses a novel grounding wire connecting device for a transformer substation, which includes an operating rod 1, an installation frame 2, a clamping device 3, and a connecting port 4.

Referring to fig. 1 and 6, the whole operating rod 1 is a hollow cylinder made of insulating material, the operating rod 1 includes a loop bar 11 and a connecting rod 12, the loop bar 11 and the connecting rod 12 are in a step-shaped concentric circle, and the lower end of the connecting rod 12 extends to the inner cavity of the loop bar 11.

Referring to fig. 1-2, the mounting bracket 2 is integrally of a concave structure, the mounting bracket 2 is movably sleeved on the upper end of the connecting rod 11, and the mounting bracket 2 includes a through hole 21 and a first fixing shaft 22.

The through hole 21 is opened at the lower extreme intermediate position of mounting bracket 2, and is corresponding with the upper end of connecting rod 12, and first fixed axle 22 fixed mounting is on the left side of mounting bracket 2, and the inner chamber that the inner wall of mounting bracket 2 was run through to first fixed axle 22 extends to mounting bracket 2 is with the looks spiro union of the other side.

In this embodiment, a certain gap exists between the mounting bracket 2 and the connecting rod 12.

Referring to fig. 1-5 simultaneously, clamping device 3 is in the upper end of mounting bracket 2 through first fixed axle 22 swing joint, clamping device 3 includes fixed plate 31, restriction piece 32, fly leaf 33, fixed clamp mouth 34, activity clamp mouth 35, sawtooth 36, damping structure 37, fixed plate 31 wholly is the rectangle structure of "echelonment", fixed plate 31 is in the upper end of mounting bracket 2 through first fixed axle 22 swing joint, make fixed plate 31 each 90 adjustment around can going on in the upper end of mounting bracket 2, make clamping device 3 can carry out angle of adjustment according to the condition of job site, the practicality of this application has been improved greatly.

In this embodiment, a rectangular through slot 311 is formed at the lower end of the fixing plate 31, a second fixing shaft 312 is fixedly connected to the left side of the upper end of the fixing plate 31, and one end of the second fixing shaft 312 penetrates through the fixing plate 31 and extends to the inside.

The limiting blocks 32 are two and are fixedly sleeved on the outer side of the second fixing shaft 312, a limiting groove is formed between the two limiting blocks 32, the grounding wire is hung and buckled in the limiting groove, and the grounding wire is effectively prevented from falling off in the working process.

The movable plate 33 is located at the right side of the fixed plate 31, the movable plate 33 is movably connected with the fixed plate 31 through the second fixed shaft 312, a sliding slot 331 is formed at the upper end of the movable plate 33, the fixed nip 34 is fixedly installed at the upper end of the movable plate 33, and the movable nip 35 is slidably connected to an inner cavity of the sliding slot 331.

Referring to fig. 6, in this embodiment, the end of the movable clamping opening 35 located in the inner cavity of the sliding groove 331 is provided with an elastic energy storage device 351, the elastic energy storage device 351 includes a clamping force locking and releasing device, when the operating rod 1 is pulled, the elastic energy storage device in the clamping opening can automatically lock the clamping opening at any force required to clamp the clamping opening, when the operating rod 1 is pushed, the releasing device in the clamping opening can open the clamped clamping opening, and under the condition that the operating rod is not pushed artificially, the self-locking device in the clamping opening can not open the clamped clamping opening, which is safe and reliable.

Furthermore, a plurality of saw teeth 36 are arranged on one corresponding side of the fixed clamping opening 34 and the movable clamping opening 35, so that the friction force of the clamping openings is improved, and the device is prevented from falling off.

The damping structure 37 is located at the lower end of the inner cavity of the fixing plate 31 corresponding to the position of the through slot 311, and one end of the damping structure 37 extends to the outside through the through slot 311.

Referring to fig. 6, stay cord 5 generally adopts the annealed copper wire, has guaranteed the life-span of stay cord 5, and the one end of stay cord 5 is connected with movable clamp mouth 35, and the other end is walked around damping structure 37 and is passed fixed plate 31, through-hole 21, the inner chamber that connecting rod 11 extended to loop bar 11 and fixed connection in proper order, makes movable clamp mouth 35 carry out the adjustment between the interval according to actual conditions through pulling or promotion loop bar 11, the effectual practicality that improves this application.

In this embodiment, the damping structure 37 has a restricting effect on the pull rope 5.

Referring to fig. 1, connector 4 wholly is "loudspeaker form", and the activity cup joints the lower extreme at action bars 1, and connector 4's outside intermediate position is provided with the spread groove 41 of "T type", under the not enough condition of height of action bars 1, can pass through spread groove 41 and connector 4 joint through the connecting rod to prolong this device, thereby be under construction, the effectual practicality of this application that has improved.

The working principle of the embodiment is as follows: the staff cup joints the mounting bracket 2 at the upper end of the operating rod 1, and then movably connects the fixing plate 31 to the upper end of the mounting bracket 2 through the first fixing shaft 22, according to actual conditions, the fixing plate 31 is shifted to adjust the angle of the clamping device 3 in a construction site, the pull rope 5 connected with the loop bar 11 is moved downwards by pulling the loop bar 11, and then the movable nip 35 is moved upwards to clamp and fix the circular wires with different diameters, and the movable nip is also suitable for a transformer bridge bus and a handcart switch cabinet, when the electric plate is installed in an inclined manner, the movable plate 33 is pulled to be separated from the fixing plate 31, the angle of the movable plate 33 is adjusted according to actual conditions, and then the loop bar 11 is pulled to fixedly clamp the electric plate through the nip, so that the application is not limited by the grounding point position, and can finish the processes of different angles, such as, Different thickness, different diameters are overhauld ground connection work, and weight is little, uses lightly, and structural design is reasonable, and the texture is exquisite, durable, ground connection line end presss from both sides mouthful light in weight, has improved the practicality of this application greatly, easily promotes.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a novel earth connection of transformer substation device which characterized in that: comprises an operating rod (1), an installation rack (2), a clamping device (3) and a pull rope (5), wherein the operating rod (1) comprises a loop bar (11) and a connecting rod (12), the installation rack (2) is movably sleeved at the upper end of the connecting rod (12), the clamping device (3) comprises a fixed plate (31), the fixed plate (31) is movably installed at the upper end of the installation rack (2), the outer side upper end of the fixed plate (31) is connected with a second fixed shaft (312), the outer side of the second fixed shaft (312) is hung with a ground wire, the right side of the fixed plate (31) is movably connected with a movable plate (33), the upper end of the movable plate (33) is fixedly connected with a fixed clamp opening (34), the lower end of the movable plate (33) is movably connected with a movable clamp opening (35), and the movable clamp opening (35) is connected with one end of the pull rope (5), the other end of the pull rope (5) sequentially penetrates through the inner cavity of the movable plate (33), the mounting frame (2) and the inner cavity of the loop bar (11) to be connected.

2. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: through-hole (21) have been seted up to the lower extreme intermediate position of mounting bracket (2), the inner chamber and loop bar (11) fixed connection that the one end of stay cord (5) passed through-hole (21) and extended to connecting rod (12).

3. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: the mounting bracket (2) further comprises a first fixing shaft (22), and one end of the first fixing shaft (22) penetrates through the inner wall of the mounting bracket (2) and extends to the inner side to be movably connected with the fixing plate (31).

4. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: and a limiting block (32) is sleeved on the outer side of the second fixed shaft (312), and one end of the grounding wire is hung and buckled on the outer side of the limiting block (32).

5. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: one end of the second fixed shaft (312) penetrates through the inner wall of the fixed plate (31) to extend to the outer side and is movably connected with the movable plate (33).

6. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: the movable plate (33) is provided with a sliding groove (331), the movable clamping opening (35) is connected to the inner cavity of the sliding groove (331) in a sliding mode, and the tail end, located in the inner cavity of the sliding groove (331), of the movable clamping opening (35) is provided with an elastic energy storage device (351).

7. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: the inner cavity of the fixing plate (31) is fixedly connected with a damping structure (37), and one end of the pull rope (5) is connected with the damping structure (37) in a winding mode.

8. The novel grounding wire connecting device for the transformer substation of claim 7, wherein: a through groove (311) is formed in the position, corresponding to the damping structure (37), of the outer side of the fixing plate (31), and one side of the damping structure (37) extends to the outer side of the through groove (311).

9. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: and a plurality of saw teeth (36) are arranged on one corresponding side of the fixed clamping opening (34) and the movable clamping opening (35).

10. The novel grounding wire connecting device for the transformer substation of claim 1, characterized in that: the lower end of the operating rod (1) is slidably sleeved with a connecting port (4), and a T-shaped connecting groove (41) is formed in the middle of the connecting port (4).