CN216488588U - Connecting device - Google Patents

Abstract

The utility model provides a connecting device. The connecting device is used for connecting an iron tower and a lead wire of a grounding device. The connecting device comprises: a main body part, which is used for connecting and fixing with the iron tower; a plurality of installation positions are arranged on the main body part along the vertical direction; The connection assembly is selectively arranged at one of the installation positions, the lead wire of the grounding device is fixed at one of the installation positions of the body through the connection assembly, and the connection assembly has a locked state and an unlocked state arranged oppositely. The technical solution provided by the present application can solve the problem that the lead wire is prone to breakage in the prior art.

Description

connection device

technical field

The utility model relates to the technical field of power transmission lines, in particular to a connection device.

Background technique

The iron tower of the transmission line needs to be used with the grounding device to introduce the lightning current to the ground. Among them, the iron tower is usually composed of angle steel, connecting steel plates and bolts. The grounding device has a lead wire, the grounding device is buried in the ground, and the lead wire of the grounding device extends out of the ground and is connected to the tower foot of the iron tower. At present, the lead wire and the iron tower are usually connected and fixed by the fixing member. Since the grounding device is buried in the underground soil, after the construction is completed, with the soil deposition, the grounding device will also move down with the soil. At this time, the lead wire will be pulled downward, which may cause the lead wire to break and affect the normal operation of the power grid. .

Utility model content

The utility model provides a connecting device to solve the problem that the lead wire is easily broken in the prior art.

The utility model provides a connecting device. The connecting device is used for connecting an iron tower and a lead wire of a grounding device. The connecting device comprises: a body part, which is used for connecting and fixing with the iron tower, and a plurality of installation positions are arranged on the body part along the vertical direction; The connection assembly is selectively arranged at one of the installation positions, the lead wire of the grounding device is fixed at one of the installation positions of the body through the connection assembly, and the connection assembly has a locked state and an unlocked state arranged oppositely.

Further, the main body is provided with a chute, the chute is arranged in a vertical direction, the connecting assembly includes an adjustment bolt and an adjustment nut, the adjustment bolt is movably arranged in the chute, and the adjustment bolt passes through the chute and is threaded with the adjustment nut. connect.

Further, the body part has a first surface and a second surface arranged oppositely, the lead wire of the grounding device is in contact with the first surface, and a limiting structure is provided on the first surface, and the limiting structure limits the lead wire of the grounding device on the body part. Location.

Further, the limiting structure includes an annular protrusion, and the annular protrusion is arranged along the periphery of the body portion.

Further, the connecting device further includes a plurality of fixing components, and the plurality of fixing components are all connected with the body part, and the body part is connected and fixed with the iron tower through the plurality of fixing components.

Further, the fixing assembly includes: a connecting part, the connecting part is connected with the body part; a clamp, the clamp and the connecting part are detachably connected, the clamp and the connecting part form a closed annular structure, and the annular structure is used to be sleeved on the iron tower. perimeter of the angle steel.

Further, the clamp has a first end and a second end oppositely arranged, and two fixing holes are arranged on the connecting part, and the two fixing holes are respectively arranged corresponding to the first end and the second end, and the fixing assembly further includes two fixing holes. The first end and the second end respectively pass through the two fixing holes and are respectively connected and fixed with the two fixing pieces.

Further, the clamp has a first rod section, a second rod section and a third rod section connected in sequence, the first rod section and the third rod section are located on the same side of the second rod section, and the first rod section and the third rod section are located on the same side of the second rod section. The three rod segments are arranged perpendicular to the connecting portion, the second rod segment and the first rod segment have a first included angle, the first included angle is an obtuse angle, and the second rod segment and the third rod segment have a second included angle , the second included angle is an acute angle.

Further, the connection part and the body part are detachably connected.

Further, the connecting device further includes a connecting piece, and the body portion and the connecting portion are connected and fixed by the connecting piece.

Applying the technical solution of the present invention, the connecting device includes a body part and a connecting component. When the position of the grounding device changes with soil deposition, it may cause excessive stretching of the lead wire. At this time, the lead wire can be in a slack state by adjusting the installation position of the connection assembly on the body. Compared with the traditional technical solution, by setting the connecting component and setting a plurality of installation positions on the body part, the connection position of the lead wire and the body part can be adjusted, and the distance between the end of the lead wire connected to the body part and the ground can be changed, so that the It is ensured that when the grounding device moves, the connection components can be adjusted so that the lead wires are in a relatively loose state, so as to avoid or reduce the possibility of lead wire breakage and ensure the normal operation of the power grid.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 shows the structural schematic diagram of the connecting device provided by the present invention;

Fig. 2 shows the top view of the connecting device provided by the present utility model;

Fig. 3 shows the left side view of the connecting device provided by the present utility model;

FIG. 4 shows a schematic structural diagram of the connection device provided by the present invention being connected to the iron tower.

Wherein, the above-mentioned drawings include the following reference signs:

10. Main body; 11. Chute; 12. First surface; 121. Limiting structure; 13. Second surface;

20. Connecting components; 21. Adjusting bolts; 22. Adjusting nuts;

30. Fixing assembly; 31. Connecting part; 32, Clamp; 321, First rod segment; 322, Second rod segment; 323, Third rod segment; 33, Fixing piece.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application or use in any way. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIG. 1 to FIG. 3 , an embodiment of the present invention provides a connecting device, which is used to connect the lead wire of an iron tower and a grounding device, and the connecting device includes a main body 10 and a connecting assembly 20 . The body part 10 is used for connecting and fixing with the iron tower, and a plurality of installation positions are arranged on the body part 10 along the vertical direction. The connection assembly 20 is optionally disposed at one of the installation positions, and the lead wire of the grounding device is fixed at one of the installation positions of the body portion 10 through the connection assembly 20 , and the connection assembly 20 has a locked state and an unlocked state arranged oppositely.

Applying the technical solutions of the present application, the connecting device includes a body portion 10 and a connecting assembly 20 . When the position of the grounding device changes with soil deposition, it may cause excessive stretching of the lead wire. At this time, the lead wire can be in a slack state by adjusting the installation position of the connection assembly on the body. Compared with the traditional technical solution, the connection assembly 20 is provided and a plurality of installation positions are arranged in the vertical direction of the body portion 10. The connection assembly 20 can be arranged in different installation positions according to different work requirements, so as to change the connection between the lead wire and the body portion 10. distance from one end to the ground. The connection assembly 20 has a locked state and an unlocked state arranged oppositely. When it is in the locked state, the position of the lead wire is fixed. When it is in the unlocked state, the distance between the lead wire and the ground can be adjusted. Excessive stretching of the lead wire prevents or reduces the possibility of lead wire breakage and ensures the normal operation of the power grid.

Wherein, a plurality of installation holes may be provided at intervals along the length direction of the body portion 10 to form the above-mentioned plurality of installation positions, and the connecting component may be selectively arranged in one of the installation holes.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the main body 10 is provided with a chute 11 , and the chute 11 is arranged in a vertical direction. The connecting assembly 20 includes an adjusting bolt 21 and an adjusting nut 22 , and the adjusting bolt 21 is movable The adjusting bolt 21 passes through the sliding groove 11 and is threadedly connected with the adjusting nut 22 . The main body 10 is provided with a vertical chute 11, and the connecting assembly 20 can be fixed at any position of the chute 11, thereby flexibly adjusting the distance between the end of the lead wire away from the grounding device and the ground. The connection assembly 20 includes an adjusting bolt 21 and an adjusting nut 22. When in the locked state, the adjusting bolt 21 and the adjusting nut 22 are tightened to fix the position of the lead wire; when in the unlocked state, the adjusting bolt 21 and the adjusting nut 22 are loosened to make the The adjusting bolt 21 can move up and down in the chute 11 . When the proper position is determined, the adjusting nut 22 is tightened to fix the position of the connecting assembly 20 . By adopting the above structure design, the structure is simple, and the adjustment bolt 21 and the adjustment nut 22 are easily disassembled, which can improve the work efficiency.

As shown in FIG. 4 , the lead wires have rectangular lead ends, and the connecting components 20 are arranged in multiple groups at intervals along the extending direction of the chute 11 . In this solution, the connecting components 20 are provided in two groups, and the two sets of connecting components 20 are respectively fixed to the lead ends. In this way, the lead ends can be prevented from rotating around the connecting assembly 20, so that the lead ends can be fixed more firmly.

The body part 10 has a first side wall and a second side wall oppositely arranged, a receiving groove can be opened on the first side wall, and the receiving groove is communicated with the chute 11; as well as lead ends through.

In this embodiment, the body portion 10 has a first surface 12 and a second surface 13 that are oppositely arranged, the lead wires of the grounding device are in contact with the first surface 12 , a limiting structure 121 is provided on the first surface 12 , and the limiting structure 121 restricts The position of the lead wire of the grounding device on the body portion 10 . The lead wire of the grounding device is in contact with the first surface 12 of the main body portion 10 to prevent the lead wire from being pulled in different directions when it is lifted up and detached from the main body portion 10 and the connecting assembly 20 . The first surface 12 is provided with a limiting structure 121 to further fix the position of the lead wires. When the lead wires are in contact with each other, the lead wires may be pulled and may slide relative to the main body 10. Since the lead wires pass through the adjusting bolt 21 and the adjusting nut 22 is fixed, it may be torn at the perforation of the lead, and the setting of the limiting structure 121 can reduce the phenomenon of lead deviation, ensure the stability of the lead, and ensure the strength of the lead.

Wherein, the limiting structures 121 may be raised parts or raised points arranged at intervals, and the raised parts or raised points play a blocking role when the ends of the leads are displaced, thereby preventing the ends of the leads from moving.

In this embodiment, the limiting structure 121 includes an annular protrusion, and the annular protrusion is disposed along the periphery of the body portion 10 . The end of the lead is arranged in the annular protrusion to ensure the contact area between the limiting structure 121 and the lead, and to ensure the restraint effect on the lead. When in use, the inner sidewall of the annular protrusion abuts or fits with the peripheral surface of the lead, or has a clearance fit, so as to prevent the end of the lead from rotating on the body portion 10, thereby preventing the lead from being further stretched and preventing the lead from breaking. .

Further, the connecting device further includes a plurality of fixing assemblies 30 , and the plurality of fixing assemblies 30 are all connected to the body portion 10 , and the body portion 10 is connected and fixed to the iron tower through the plurality of fixing assemblies 30 . The fixing assembly 30 is connected with the main body part 10 and the iron tower, and fixes the main body part 10 and the iron tower together. One or more sets of fixing components 30 may be provided. In this embodiment, two fixing components 30 are provided, which are respectively located at both ends of the body portion 10, so that the connection between the body portion 10 and the iron tower is more firm and does not affect the The sliding of the connecting assembly 20 in the chute 11 .

As shown in FIG. 2 , the fixing assembly 30 includes a connecting portion 31 and a clamp 32 . The connecting portion 31 is connected to the body portion 10 ; the clamp 32 is detachably connected to the connecting portion 31 , the clamp 32 and the connecting portion 31 form a closed annular structure, and the annular structure is used to be sleeved on the outer periphery of the angle steel of the iron tower. The connection part 31 and the clamp 32 are detachably connected. The connection device is mostly used in the field. The connection part 31 and the clamp 32 are detachably connected, so that the damaged connection part 31 or the clamp 32 can be replaced at any time. To ensure the stability of the structure, while improving the utilization of parts.

Wherein, the connecting device can be fixed on the iron tower by welding or fasteners.

Specifically, the clamp 32 has a first end and a second end opposite to each other, and the connecting portion 31 is provided with two fixing holes, and the two fixing holes are respectively corresponding to the first end and the second end. The fixing assembly 30 further includes The first end and the second end of the two fixing pieces 33 respectively pass through the two fixing holes and are connected and fixed with the two fixing pieces 33 respectively. Wherein, one end of the clamp 32 can be hinged with the connecting portion 31 , and the other end is connected with the connecting portion 31 by a fastener. In this embodiment, the first end and the second end are inserted into different fixing holes, and connected with nuts, which has a simple structure and is easy to operate when tightening. At the same time, two fixing pieces 33 are provided to fix the clamp 32 and the connecting portion 31 together, which can ensure the tightness of the connection.

The clamp 32 has a first rod section 321, a second rod section 322 and a third rod section 323 connected in sequence, and the first rod section 321 and the third rod section 323 are located on the same side of the second rod section 322, The first rod section 321 and the third rod section 323 are both arranged perpendicular to the connecting portion 31 , the second rod section 322 and the first rod section 321 have a first included angle, the first included angle is an obtuse angle, and the second rod section 322 There is a second included angle with the third rod segment 323 , and the second included angle is an acute angle. As shown in FIG. 2 , the first rod section 321 , the second rod section 322 and the third rod section 323 of the clamp 32 form a similar triangular structure, and the length of the first rod section 321 is shorter than that of the third rod section 323 , so The setting can be adapted to the shape of the tower legs of the iron tower to ensure the stability of the connection. If the first rod section 321 and the third rod section 323 are both perpendicular to the connecting portion 31, is it convenient for plugging, and the smoothness of plugging is ensured. At the same time, when the first end and the second end of the clamp 32 are reversely connected to the fixing holes on the connecting portion 31, the connecting device cannot be fixed on the tower legs. This arrangement ensures the uniqueness of the installation, thereby improving the stability of the installation. sex.

As shown in FIG. 4 , the connecting portion 31 and the body portion 10 are detachably connected. When the connecting portion 31 or the body portion 10 is damaged, only the connecting portion 31 or the body portion 10 needs to be replaced, which can save costs and improve the utilization rate of parts. Wherein, different spacings can be set between the two fixing holes on different connecting parts 31 , so that connecting parts 31 of different specifications can be selected for use with the main body part 10 according to the size of the angle steel of a specific subway tower.

Specifically, the connecting device further includes a connecting piece, and the body portion 10 and the connecting portion 31 are connected and fixed by the connecting piece. In this embodiment, the connecting piece includes a bolt and a nut, and the connecting portion 31 and the body portion 10 are connected by a bolt and a nut, which has a simple structure and is easy to disassemble.

Through the technical solution of the present application, the connection device includes a body portion 10 and a connection assembly 20. The connection assembly 20 can be arranged at different installation positions of the body portion 10 in the vertical direction, so as to change the end of the lead connected to the body portion to reach The distance from the ground to prevent excessive stretching of the lead by the grounding device, thereby preventing the lead from breaking.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. The orientation or positional relationship is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientations do not indicate and imply the indicated device unless otherwise stated. Or elements must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood To limit the scope of protection of the present invention.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A connection device for connecting a pylon to a lead of a grounding device, the connection device comprising:

the iron tower fixing device comprises a body part (10) and a fixing device, wherein the body part (10) is used for being connected and fixed with an iron tower, and a plurality of mounting positions are arranged on the body part (10) along the vertical direction;

a connecting assembly (20), the connecting assembly (20) being selectively positionable at one of the mounting positions, the ground lead being secured at one of the mounting positions of the body portion (10) by the connecting assembly (20), the connecting assembly (20) having oppositely disposed locked and unlocked states.

2. The connecting device according to claim 1, characterized in that a sliding groove (11) is provided on the body portion (10), the sliding groove (11) is arranged in a vertical direction, the connecting assembly (20) comprises an adjusting bolt (21) and an adjusting nut (22), the adjusting bolt (21) is movably arranged in the sliding groove (11), and the adjusting bolt (21) passes through the sliding groove (11) and is in threaded connection with the adjusting nut (22).

3. The connecting device according to claim 1, characterized in that the body portion (10) has a first face (12) and a second face (13) arranged opposite to each other, the leads of the grounding device abut against the first face (12), and a limiting structure (121) is arranged on the first face (12), wherein the limiting structure (121) limits the position of the leads of the grounding device on the body portion (10).

4. A connection device according to claim 3, wherein the stop formation (121) comprises an annular projection arranged along the periphery of the body portion (10).

5. The connecting device according to claim 1, characterized in that the connecting device further comprises a plurality of fixing components (30), the plurality of fixing components (30) are connected with the body part (10), and the body part (10) is fixedly connected with the iron tower through the plurality of fixing components (30).

6. The connection device according to claim 5, characterized in that said fixing assembly (30) comprises:

a connecting portion (31), the connecting portion (31) being connected to the body portion (10);

hoop (32), hoop (32) with connection portion (31) can be dismantled the connection, hoop (32) with connection portion (31) form confined annular structure, annular structure is used for the cover to establish the periphery of the angle steel of iron tower.

7. The connecting device according to claim 6, wherein the clamp (32) has a first end and a second end which are opposite to each other, the connecting portion (31) is provided with two fixing holes, the two fixing holes are respectively arranged corresponding to the first end and the second end, the fixing assembly (30) further comprises two fixing members (33), and the first end and the second end respectively penetrate through the two fixing holes and are respectively connected and fixed with the two fixing members (33).

8. The connecting device according to claim 6, characterized in that the clamp (32) has a first rod section (321), a second rod section (322) and a third rod section (323) connected in sequence, the first rod section (321) and the third rod section (323) are both located on the same side of the second rod section (322), the first rod section (321) and the third rod section (323) are both arranged perpendicular to the connecting portion (31), a first included angle is provided between the second rod section (322) and the first rod section (321), the first included angle is an obtuse angle, a second included angle is provided between the second rod section (322) and the third rod section (323), and the second included angle is an acute angle.

9. A connecting device according to claim 6, characterised in that the connecting part (31) and the body part (10) are detachably connected.

10. The connecting device according to claim 9, characterized in that it further comprises a connecting piece by which the body portion (10) and the connecting portion (31) are fixed in connection.

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