CN216488588U

CN216488588U - Connecting device

Info

Publication number: CN216488588U
Application number: CN202122976664.XU
Authority: CN
Inventors: 王怀超; 李志鹏; 初彬彬
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd; Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd; Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-10
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a connecting device, which is used for connecting an iron tower and a lead of a grounding device, and comprises: the body part is used for being connected and fixed with the iron tower, and a plurality of mounting positions are arranged on the body part along the vertical direction; the connecting assembly is selectively arranged at one of the installation positions, the lead of the grounding device is fixed at one of the installation positions of the body part through the connecting assembly, and the connecting assembly has a locking state and an unlocking state which are oppositely arranged. Through the technical scheme provided by the application, the problem that the lead is easy to break in the prior art can be solved.

Description

Connecting device

Technical Field

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

Background

The iron tower of the transmission line needs to be matched with a grounding device for use so as to introduce lightning current into the ground. The iron tower is generally composed of angle steel, a connecting steel plate and bolts, the grounding device is provided with a lead, the grounding device is buried underground, and the lead of the grounding device extends out of the ground and is connected with a tower foot of the iron tower. At present, the lead is generally connected and fixed with the iron tower through a fixing part. Because the grounding device is buried in underground soil, after construction is finished, the grounding device can move downwards along with the soil along with the deposition of the soil, and at the moment, the lead wire is pulled downwards, so that the lead wire can be broken, and the normal operation of a power grid is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a connecting device, which aims to solve the problem that a lead is easy to break in the prior art.

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

Further, be provided with the spout on the body portion, the spout sets up along vertical direction, and coupling assembling includes adjusting bolt and adjusting nut, and adjusting bolt movably sets up in the spout, adjusting bolt pass the spout and with adjusting nut threaded connection.

Furthermore, the body part is provided with a first surface and a second surface which are arranged oppositely, the lead of the grounding device is abutted against the first surface, the first surface is provided with a limiting structure, and the limiting structure limits the position of the lead of the grounding device on the body part.

Further, the limit structure comprises an annular protrusion, and the annular protrusion is arranged along the periphery of the body part.

Furthermore, the connecting device also comprises a plurality of fixing components, the fixing components are connected with the body part, and the body part is fixedly connected with the iron tower through the fixing components.

Further, the fixing assembly includes: a connection part connected with the body part; the hoop is detachably connected with the connecting portion, the hoop and the connecting portion form a closed annular structure, and the annular structure is used for being sleeved on the periphery of angle steel of the iron tower.

Furthermore, the clamp has a first end and a second end which are arranged oppositely, two fixing holes are formed in the connecting portion, the two fixing holes are respectively arranged corresponding to the first end and the second end, the fixing assembly further comprises two fixing pieces, and the first end and the second end penetrate through the two fixing holes respectively and are connected and fixed with the two fixing pieces respectively.

Further, the clamp has first pole section, second pole section and the third pole section of connecting in order, and first pole section and third pole section all lie in the same one side of second pole section, and first pole section and third pole section all set up with connecting portion are perpendicular, have first contained angle between second pole section and the first pole section, and first contained angle is the obtuse angle, has the second contained angle between second pole section and the third pole section, and the second contained angle is the acute angle.

Further, the connecting portion and the body portion are detachably connected.

Further, the connecting device also comprises a connecting piece, and the body part and the connecting part are fixedly connected through the connecting piece.

By applying the technical scheme of the utility model, the connecting device comprises a body part and a connecting component. Over-tension of the lead may be caused when the position of the grounding device changes with soil deposition, and the lead may be in a relaxed state by adjusting the mounting position of the connector assembly on the body portion. Compared with the traditional technical scheme, set up coupling assembling and set up a plurality of mounted positions on this somatic part, can adjust the hookup location of lead wire and this somatic part, change the lead wire with this somatic part be connected one end and the ground between the distance, and then can guarantee when earthing device takes place to remove, can be through adjusting coupling assembling so that the lead wire is in a state of lax relatively, avoid or reduce the cracked possibility of lead wire emergence, guarantee the normal operating of electric wire netting.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural view of a connection device provided by the present invention;

FIG. 2 shows a top view of a connection device provided by the present invention;

FIG. 3 shows a left side view of the connection device provided by the present invention;

fig. 4 shows a schematic structural diagram of the connection device provided by the utility model and an iron tower.

Wherein the figures include the following reference numerals:

10. a body portion; 11. a chute; 12. a first side; 121. a limiting structure; 13. a second face;

20. a connecting assembly; 21. adjusting the bolt; 22. adjusting the nut;

30. a fixing assembly; 31. a connecting portion; 32. clamping a hoop; 321. a first pole segment; 322. a second pole segment; 323. a third pole segment; 33. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a connection device for connecting a pylon and a lead of a grounding device, the connection device including a body portion 10 and a connection assembly 20. 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. The connecting member 20 is selectively provided at one of the mounting positions at which the lead of the ground device is fixed to the body portion 10 by the connecting member 20, and the connecting member 20 has a locked state and an unlocked state which are relatively provided.

With the technical solution of the present application, the connecting device includes a body portion 10 and a connecting assembly 20. Over-tension of the lead may be caused when the position of the grounding device changes with soil deposition, and the lead may be in a relaxed state by adjusting the mounting position of the connector assembly on the body portion. Compared with the traditional technical scheme, the connecting assembly 20 is arranged and the plurality of mounting positions are arranged in the vertical direction of the body part 10, and the connecting assembly 20 can be arranged at different mounting positions according to different working requirements, so that the distance from one end, connected with the body part 10, of the lead wire to the ground is changed. The connecting assembly 20 has a locking state and an unlocking state which are arranged oppositely, when the connecting assembly is in the locking state, the position of the lead is fixed, and when the connecting assembly is in the unlocking state, the distance from the lead to the ground can be adjusted.

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

As shown in fig. 1 and 2, in the present embodiment, the sliding groove 11 is provided on the body portion 10, the sliding groove 11 is disposed along a vertical direction, the connecting assembly 20 includes an adjusting bolt 21 and an adjusting nut 22, the adjusting bolt 21 is movably disposed 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. The body 10 is provided with a chute 11 in the vertical direction, and the connecting assembly 20 can be fixed at any position of the chute 11, so as to adjust the distance between one end of the lead wire far away from the grounding device and the ground more flexibly. The connecting assembly 20 comprises an adjusting bolt 21 and an adjusting nut 22, and when the connecting assembly is in a locking state, the adjusting bolt 21 and the adjusting nut 22 are screwed tightly to fix the position of the lead; when the locking mechanism is in the unlocked state, the adjusting bolt 21 and the adjusting nut 22 are loosened, so that the adjusting bolt 21 can move up and down in the sliding chute 11, and when the proper position is determined, the adjusting nut 22 is screwed, and the position of the connecting assembly 20 is fixed. By adopting the structural design, the structure is simple, the adjusting bolt 21 and the adjusting nut 22 are easy to disassemble, and the working efficiency can be improved.

As shown in fig. 4, the lead has a rectangular lead end, and the connecting assemblies 20 are provided with a plurality of groups at intervals along the extending direction of the sliding groove 11, in this scheme, the connecting assemblies 20 are provided with two groups, and the two groups of connecting assemblies 20 fix the two ends of the lead end respectively, so that the lead end can be prevented from rotating around the connecting assemblies 20, and the lead end can be more firmly fixed.

The main body 10 has a first side wall and a second side wall opposite to each other, an accommodating groove may be formed in the first side wall, the accommodating groove is communicated with the chute 11, and an opening is formed at an end of the main body 10 close to the lead for accommodating the lead and allowing the tail end of the lead to pass through.

In this embodiment, the main body 10 has a first surface 12 and a second surface 13 disposed opposite to each other, the lead of the grounding device abuts against the first surface 12, and the first surface 12 is provided with a limiting structure 121, and the limiting structure 121 limits the position of the lead of the grounding device on the main body 10. The leads of the grounding device abut against the first surface 12 of the body portion 10 to prevent the leads from being pulled in different directions when they are tilted and thus being separated from the body portion 10 and the connecting member 20. Set up the position of limit structure 121 further fixed lead wire on first face 12, when mutual butt, the lead wire is dragged probably to appear and this body portion 10 between take place relative slip's phenomenon, because the lead wire is fixed through adjusting bolt 21 and adjusting nut 22, probably is torn in the perforation department of lead wire, and limit structure 121's setting can reduce the phenomenon that the lead wire takes place the skew, guarantees the stability of lead wire, guarantees the intensity of lead wire.

The limiting structure 121 may be a protruding portion or a protruding point arranged at an interval, and the protruding portion or the protruding point plays a role in blocking when the tail end of the lead deviates, so as to prevent the tail end of the lead from moving.

In this embodiment, the stopper structure 121 includes an annular projection provided along the periphery of the body portion 10. The tail end of the lead is arranged in the annular protrusion, so that the contact area between the limiting structure 121 and the lead is ensured, and the limiting effect on the lead is ensured. When the lead wire fixing device is used, the inner side wall of the annular protrusion is abutted or attached to the peripheral surface of the lead wire or is in clearance fit with the inner side wall of the annular protrusion, so that the tail end of the lead wire is prevented from rotating in the body part 10, the lead wire can be prevented from being further stretched, and the lead wire is prevented from being broken.

Further, the connecting device further comprises a plurality of fixing components 30, the fixing components 30 are all connected with the body part 10, and the body part 10 is fixedly connected with the iron tower through the fixing components 30. The fixing member 30 is connected to the body portion 10 and the iron tower to fix the body portion 10 and the iron tower together. The fixing components 30 may be provided in one or more groups, in this embodiment, two fixing components 30 are provided, which are respectively located at two ends of the main body 10, so that the connection between the main body 10 and the iron tower is firmer, and the sliding of the connecting component 20 in the sliding groove 11 is not affected.

As shown in fig. 2, the fixing member 30 includes a connecting portion 31 and a clip 32. The connecting portion 31 is connected to the main body 10; the hoop 32 is detachably connected with the connecting part 31, the hoop 32 and the connecting part 31 form a closed annular structure, and the annular structure is used for being sleeved on the periphery of angle steel of the iron tower. Can dismantle between connecting portion 31 and the clamp 32 and be connected, this connecting device is used for the field mostly, can dismantle between connecting portion 31 and the clamp 32 and be connected, can replace the connecting portion 31 or the clamp 32 of damage at any time, guarantees the stability of structure, improves the utilization ratio of part simultaneously.

Wherein, this connecting device can be fixed on the iron tower through the mode of welding or fastener.

Specifically, the clamp 32 has a first end and a second end that are opposite to each other, the connecting portion 31 is provided with two fixing holes, the two fixing holes are respectively disposed corresponding to the first end and the second end, the fixing assembly 30 further includes 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. The clamp 32 may be hinged to the connecting portion 31 at one end, and connected to the connecting portion 31 through a fastener at the other end. In this embodiment, peg graft the first end in different fixed orificess with the second end to connect with the nut, its simple structure, easy and simple to handle when the fastening. Meanwhile, two fixing pieces 33 are provided to fix the clip 32 and the connecting portion 31 together, so that the tightness of the connection can be ensured.

Wherein, clamp 32 has first pole section 321, second pole section 322 and the third pole section 323 that connects in order, and first pole section 321 and third pole section 323 all lie in the same one side of second pole section 322, and first pole section 321 and third pole section 323 all set up with connecting portion 31 is perpendicular, have first contained angle between second pole section 322 and the first pole section 321, and first contained angle is the obtuse angle, has the second contained angle between second pole section 322 and the third pole section 323, and the second contained angle is the acute angle. As shown in fig. 2, the first segment 321, the second segment 322 and the third segment 323 of the clip 32 form a triangle-like structure, and the length of the first segment 321 is shorter than that of the third segment 323, so that the first segment 321 can be adapted to the shape of a tower leg of an iron tower, and the connection stability can be ensured. If the first rod section 321 and the third rod section 323 are perpendicular to the connecting part 31, the insertion is not convenient, and the smoothness of the insertion is ensured. Meanwhile, when the first end and the second end of the clamp 32 are reversely connected with the fixing holes in the connecting part 31, the connecting device cannot be fixed on the tower legs, so that the uniqueness of installation is ensured, and the stability of installation is further improved.

As shown in fig. 4, the connection portion 31 and the body portion 10 are detachably connected. When the connecting part 31 or the body part 10 is damaged, only the connecting part 31 or the body part 10 needs to be replaced, so that the cost can be saved, and the utilization rate of parts can be improved. Different distances can be set between two fixing holes on different connecting parts 31, so that the connecting parts 31 with different specifications can be selected to be matched with the body part 10 according to the size of the angle steel of the iron tower.

Specifically, the connecting device further includes a connecting member by which the body portion 10 and the connecting portion 31 are connected and fixed. In this embodiment, the connecting member includes a bolt and a nut, and the connecting portion 31 is connected to the body portion 10 by the bolt and the nut, so that the structure is simple and the detachment is convenient.

Through the technical scheme of this application, this connecting device includes this somatic part 10 and coupling assembling 20, and coupling assembling 20 can set up in this somatic part 10 different mounted positions on vertical direction to this changes the lead wire with the distance that this somatic part is connected one end reachs ground, prevents earthing device to the overstretching of lead wire, and then prevents that the lead wire from breaking.

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 according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

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 present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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.