CN219040766U

CN219040766U - Auxiliary suspension device for distribution network line grounding wire

Info

Publication number: CN219040766U
Application number: CN202223065047.5U
Authority: CN
Inventors: 潘力瑞; 曾瑞; 宋林国; 张建伟; 翟鹏明
Original assignee: Wenshan Power Supply Branch of Yunnan Power Grid Co Ltd
Current assignee: Wenshan Power Supply Branch of Yunnan Power Grid Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-16
Anticipated expiration: 2032-11-18

Abstract

The utility model provides a join in marriage net circuit earth connection auxiliary suspension device relates to electric power construction safety equipment technical field, including suspension element, locking subassembly and fixed subassembly, the device is through locking subassembly with first fixed part and the detachable locking centre gripping of second fixed part on the cross arm of circuit, makes things convenient for the staff to dismantle; the hanging component is arranged on the first fixing part and used for placing the grounding wire, so that the grounding wire can be prevented from sliding off, the overhaul efficiency of workers is prevented from being influenced, and the workers can be prevented from being injured by the falling of the grounding wire.

Description

Auxiliary suspension device for distribution network line grounding wire

Technical Field

The application relates to the technical field of power construction safety equipment, in particular to an auxiliary suspension device for a distribution network line grounding wire.

Background

Along with the rapid development of social economy in China, the development of power grid construction is also gradually accelerated, and the construction of a 10kV distribution network becomes a great importance in the current power construction in China. In order to ensure the operation safety, the working risk of overhauling a 10kV distribution network line needs to be reduced.

When the transformer equipment is in a maintenance state, the equipment can be operated only after the grounding wire is hung on the equipment and the three phases are short-circuited. Meanwhile, in order to ensure the safety of maintenance personnel, the operation and maintenance personnel are required to install a grounding wire during switching operation every time. When the grounding wire is installed, a worker firstly hangs the grounding wire from the ground to place the high-altitude rod and horizontally places the grounding wire on the surrounding rod belt of the safety belt, and then sequentially installs a plurality of grounding wires on the grounding ring or the guide ring.

However, since the surrounding rod belt of the safety belt is not specially designed for placing the grounding wire, the grounding wire can easily slide off from the surrounding rod belt, so that the working efficiency of workers is seriously affected, and even the grounding wire is easy to fall off, so that the workers under the line are injured.

Disclosure of Invention

The embodiment of the application provides an auxiliary suspension device for a distribution network line grounding wire, which can be arranged on a line for placing the grounding wire, so that the working efficiency is prevented from being influenced or workers are prevented from being injured due to the falling of the grounding wire.

The embodiment of the application provides an auxiliary suspension device for a distribution network line grounding wire, which is characterized by comprising: the device comprises a hanging assembly, a locking assembly and a fixing assembly;

the fixed subassembly includes first fixed part and second fixed part, and locking subassembly fixed mounting is in the one end of first fixed part, and the second fixed part is in the same place through locking subassembly and first fixed part connection, and locking subassembly is used for with first fixed part and second fixed part locking centre gripping on the cross arm of joining in marriage the net circuit, hangs the fixed one end that sets up keeping away from locking subassembly at first fixed part to be used for hanging the earth connection.

In one possible implementation, the locking assembly includes an elastic mechanism, a fixed seat, and a locking fitting;

the fixed seat is fixedly arranged at one end of the first fixed part far away from the suspension assembly, and one end of the locking matching piece is hinged on the fixed part;

the elastic mechanisms comprise a first end and a second end, at least two elastic mechanisms are arranged, the first ends of the two elastic mechanisms are hinged with the locking matching piece, the two elastic mechanisms are respectively positioned at two sides of the locking matching piece, and the elastic mechanisms are parallel to the length direction of the locking matching piece; the second ends of the two elastic mechanisms are hinged with the second fixing part, and the two elastic mechanisms are respectively positioned at two sides of the second fixing part.

In a feasible implementation mode, the elastic mechanism comprises a first rod piece, a second rod piece and a spring, wherein the first end of the first rod piece is provided with a spring limiting part, the first end of the second rod piece is provided with a spring limiting part, the first rod piece and the second rod piece are both sleeved in the spring, the second end of the first rod piece is hinged with the second fixing part after extending out from one end of the spring, and the second end of the second rod piece is hinged with the locking matching piece after extending out from the other end of the spring.

In one possible implementation, the locking fitting is provided with a limiting hole for fixing the position of the locking fitting.

In a feasible implementation manner, the first fixing portion comprises a first fixing plate, a fixing body, a second fixing plate and a limiting plate, wherein the first fixing plate is arranged at one end of the fixing body and used for supporting the fixing seat, the second fixing plate is fixed at the other end of the fixing body and used for being fixedly connected with the hanging assembly, and the limiting plate is vertically arranged at one end of the second fixing plate and used for being in limiting connection with the cross arm.

In one possible implementation manner, the second fixing portion includes a fixing block and a limiting cross plate, the limiting cross plate is fixed on the fixing block, the fixing block is hinged to the first rod, and the limiting cross plate extends into a space formed between the first fixing plate and the second fixing plate to be in limiting connection with the cross arm.

In a feasible implementation mode, the suspension assembly comprises a diagonal rod, a horizontal cross rod and a limiting vertical rod, one end of the diagonal rod is connected with the first fixing part, the other end of the diagonal rod is fixedly connected with one end of the horizontal cross rod, and the limiting vertical rod is arranged at the other end of the horizontal cross rod.

The auxiliary suspension device for the grounding wire of the distribution network line comprises a suspension assembly, a locking assembly and a fixing assembly, wherein the first fixing portion and the second fixing portion are detachably locked and clamped on a cross arm of the line through the locking assembly, and the auxiliary suspension device is convenient for workers to disassemble and assemble; the hanging component is arranged on the first fixing part and used for placing the grounding wire, so that the grounding wire can be prevented from sliding off, the overhaul efficiency of workers is prevented from being influenced, and the workers can be prevented from being injured by the falling of the grounding wire.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an auxiliary suspension device for a ground wire of a distribution network line according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of another angle of the auxiliary suspension device for the ground wire of the distribution network line in fig. 1;

FIG. 3 is a top view of the auxiliary suspension device of the distribution network line ground wire of FIG. 1;

fig. 4 is a schematic view of the locking assembly of fig. 1.

Reference numerals illustrate:

100-a suspension assembly; 200-fixing the assembly; 300-locking assembly;

110-diagonal bar; 120-horizontal crossbars; 130-limiting vertical rods; 210-a first fixing portion; 220-a second fixing portion; 310-an elastic mechanism; 320-fixing seat; 330-locking fitting;

211-a first fixing plate; 212-a fixed body; 213-a second fixing plate; 214-limiting plates; 221-a fixed block; 222-a limiting transverse plate; 311-a first rod; 312-a second lever; 313-springs, 331-limit holes.

Detailed Description

In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

In the description of the embodiments of the present application, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

When the line route is switched to the maintenance state, the equipment can be operated only after the ground wire is hung on the equipment and the three phases are short-circuited. Meanwhile, in order to ensure the safety of maintenance personnel, the operation and maintenance personnel are required to install a grounding wire during switching operation every time. When the grounding wire is installed, a worker firstly hangs the grounding wire from the ground to place the high-altitude rod and horizontally places the grounding wire on the surrounding rod belt of the safety belt, and then sequentially installs a plurality of grounding wires on the grounding ring or the guide ring.

However, since the surrounding rod belt of the safety belt is not specially designed for placing the grounding wire, the grounding wire is easy to slide off from the surrounding rod belt, so that the working efficiency of workers is seriously affected, and even the grounding wire is easy to fall off, so that the workers under the line are injured.

The embodiment of the application provides an auxiliary suspension device for a grounding wire of a distribution network line, which comprises a suspension assembly 100, a locking assembly 300 and a fixing assembly 200, wherein the first fixing part 210 and the second fixing part 220 are detachably locked and clamped on a cross arm of the line through the locking assembly 300, so that a worker can conveniently disassemble and assemble the auxiliary suspension device; the suspension assembly 100 is mounted on the first fixing portion 210, and is used for placing the grounding wire, so that the grounding wire is prevented from sliding off, the maintenance efficiency of the staff is prevented from being affected, and the staff is prevented from being injured by the grounding wire falling.

The following will explain schemes of embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of an overall structure of an auxiliary suspension device for a ground wire of a distribution network line according to an embodiment of the present application; fig. 2 is a schematic structural diagram of another angle of the auxiliary suspension device for the ground wire of the distribution network line in fig. 1;

referring to fig. 1 and 2, an embodiment of the present application provides an auxiliary suspension device for a distribution network line ground wire, which includes a suspension assembly 100, a locking assembly 300, and a fixing assembly 200.

The fixing assembly 200 includes a first fixing portion 210 and a second fixing portion 220, where the first fixing portion 210 and the second fixing portion 220 are two portions for fixing on the line cross arm. In addition, the locking assembly 300 is fixedly installed at one end of the first fixing portion 210, and the locking assembly 300 is illustratively fixed at the upper end of the first fixing portion 210, thereby facilitating the fixing of the second fixing portion 220 and the first fixing portion 210 to the cross arm. The second fixing portion 220 is connected to the first fixing portion 210 through the locking assembly 300, and it is understood that the locking assembly 300 is connected to both the first fixing portion 210 and the second fixing portion 220. The locking assembly 300 is used for shortening the distance between the first fixing portion 210 and the second fixing portion 220, so as to lock and clamp the first fixing portion 210 and the second fixing portion 220 on the cross arm on the distribution network line. The hanging assembly 100 is fixedly disposed at an end of the first fixing portion 210 remote from the locking assembly 300 for hanging the ground wire.

Illustratively, the suspension assembly 100 is fixedly installed at the lower end of the first fixing portion 210, thereby facilitating the placement of the ground wire. In some possible embodiments, the suspension assembly 100 is rotatably disposed at a lower end of the first fixing portion 210, thereby facilitating adjustment of an angle of the suspension assembly 100. In addition, it is understood that the suspension assembly 100 may also be disposed at a side of the first fixing portion 210.

In some possible embodiments, the first fixing portion 210 may also be an F-shaped structural clip, a butterfly-shaped structural clip, a pincer-shaped structural clip, or a spiral-shaped structural clip, and the corresponding structural clip may be selected according to the structure of the different cross arms.

The device can detachably lock and clamp the first fixing part 210 and the second fixing part 220 on the cross arm of the line through the locking assembly 300, so that the disassembly and assembly of workers are facilitated; the suspension assembly 100 is mounted on the first fixing portion 210, and is used for placing the grounding wire, so that the grounding wire is prevented from sliding off, the maintenance efficiency of the staff is prevented from being affected, and the staff is prevented from being injured by the grounding wire falling. In addition, the device has the remarkable advantages of simple process, convenient carrying and use, wide application range, low manufacturing cost, environmental protection and the like.

Fig. 3 is a top view of the auxiliary suspension device for the ground wire of the distribution network line in fig. 1, and fig. 4 is a schematic structural diagram of the locking assembly 300 in fig. 1.

Referring to fig. 1-4, in some possible embodiments, the locking assembly 300 includes a resilient mechanism 310, a holder 320, and a locking fitting 330.

The fixing base 320 is fixedly mounted at one end of the first fixing portion 210 far from the suspension assembly 100, i.e. the fixing base 320 is fixedly mounted at the upper end of the first fixing portion 210. In addition, one end of the locking fitting 330 is hinged to the fixing portion; illustratively, the fixing base 320 is provided with a pin mounting hole, one end of the locking matching member 330 is also provided with a pin mounting hole, and the locking matching member 330 is mounted on the fixing base 320 through a pin.

The elastic mechanisms 310 include a first end and a second end, and at least two elastic mechanisms 310 are provided, the first ends of the two elastic mechanisms 310 are hinged to the locking matching piece 330, the two elastic mechanisms 310 are respectively located at two sides of the locking matching piece 330, and the elastic mechanisms 310 are parallel to the length direction of the locking matching piece 330. Illustratively, two opposite side walls of the locking matching piece 330 are provided with pin mounting holes, and the first ends of the elastic mechanisms 310 are also provided with pin mounting holes, the two elastic mechanisms 310 are respectively located at two sides of the locking matching piece 330, and the first ends of the two elastic mechanisms 310 are connected with the side wall of the locking matching piece 330 close to the first ends of the two elastic mechanisms 310 through pins.

In addition, the second ends of the two elastic mechanisms 310 are hinged to the second fixing portion 220, and the two elastic mechanisms 310 are respectively located at two sides of the second fixing portion 220. Illustratively, the second end of the elastic mechanism 310 is also provided with pin mounting holes, and both sides of the second fixing portion 220 are also provided with pin mounting holes, and the second end of the elastic mechanism 310 is connected to the second fixing portion 220 through pins. It will be appreciated that when the locking fitting 330 rotates around the pin shaft on the fixing base 320, the distance between the second fixing portion 220 and the first fixing portion 210 is changed, so that the second fixing portion 220 can be selectively clamped or loosened on the cross arm of the circuit, thereby facilitating the staff to quickly assemble and disassemble the auxiliary suspension device of the grounding wire.

With continued reference to fig. 4, in some possible embodiments, the elastic mechanism 310 includes a first lever 311, a second lever 312, and a spring 313.

The first end of the first rod 311 is provided with a spring limiting portion, the first end of the second rod 312 is provided with a spring limiting portion, the first rod 311 and the second rod 312 are both sleeved in the spring 313, the second end of the first rod 311 extends from one end of the spring 313 and is hinged to the second fixing portion 220, and the second end of the second rod 312 extends from the other end of the spring 313 and is hinged to the locking matching piece 330. It will be appreciated that the first rod 311 and the second rod 312 are connected by the spring 313, and the first rod 311 and the second rod 312 extend in opposite directions, and when the second end of the first rod 311 and/or the second end of the second rod 312 is pulled, the spring 313 sleeved on the first rod 311 and the second rod 312 is stretched due to the existence of the spring stopper. Illustratively, the second end of the first lever 311 is hinged to the second fixing portion 220 by a pin, and the second end of the second lever 312 is hinged to the locking counterpart 330 by a pin.

It will be appreciated that as the locking engagement 330 rotates about the pin on the holder 320, the distance between the second securing portion 220 and the first securing portion 210 is changed, thereby allowing the second securing portion 220 to selectively clamp or release onto the crossarm of the line. When the first fixing portion 210 and the second fixing portion 220 are clamped on the cross arm, the spring 313 is stretched by the first rod 311 and the second rod 312, and the first fixing portion 210 and the second fixing portion 220 can be more stably fixed on the cross arm under the elastic force of the spring 313.

In addition, the locking assembly 300 of the embodiment of the application controls the second fixing portion 220 and the first fixing portion 210 to be clamped on the cross arm, the operation mode is simple, and a worker can fix the auxiliary ground wire hanging device on the cross arm of the tower through one-hand operation, so that manpower and material resources are saved, and the working efficiency is improved.

In addition, the locking assembly 300 of the auxiliary suspension device for the ground wire of the distribution network line can be fast fastened and unfastened, can keep high-frequency opening and closing or can stably operate in a constant tension state for a long time, and is convenient to use.

With continued reference to fig. 4, in some possible embodiments, the locking matching piece 330 may further be provided with a limiting hole 331, and after the first fixing portion 210 and the second fixing portion 220 are clamped on the cross arm, a limiting rod may be disposed in the limiting hole 331 to fix the position of the locking matching piece 300, so as to avoid the first fixing portion 210 and the second fixing portion 220 from being separated from the cross arm due to the incorrect touching of the locking matching piece 330.

With continued reference to fig. 1, in some possible embodiments, the first fixing portion 210 includes a first fixing plate 211, a fixing body 212, a second fixing plate 213, and a limiting plate 214, where the first fixing plate 211 is fixedly disposed at one end of the fixing body 212 and is used for supporting the fixing base 320. The first fixing plate 211 is disposed at an upper end of the fixing body 212, and the first fixing plate 211 is horizontally disposed to support the fixing base 320.

The second fixing plate 213 is fixed to the other end of the fixing body 212, and is fixedly connected to the suspension assembly 100. The second fixing plate 213 is disposed at a lower end of the fixing body 212 opposite to the first fixing plate 211, and the second fixing plate 213 is disposed horizontally, and a space for accommodating the cross arm is formed among the first fixing plate 211, the fixing body 212, the second fixing plate 213, and the second fixing portion 220. In addition, the limiting plate 214 is vertically disposed at one end of the second fixing plate 213 and is used for limiting and connecting with the cross arm, so as to ensure that the first fixing portion 210 and the second fixing portion 220 are more firmly clamped on the cross arm. It can be appreciated that the first fixing portion 210 in the embodiment of the present application has a C-shaped structure, and is matched with the cross arm.

With continued reference to fig. 1, in some possible embodiments, the second securing portion 220 includes a securing block 221 and a stop bar 222.

The limiting cross plate 222 is fixed on the fixing block 221, the fixing block 221 is hinged to the first rod 311, and the limiting cross plate 222 extends into a space formed between the first fixing plate 211 and the second fixing plate 213 to be in limiting connection with the cross arm, so that the first fixing portion 210 and the second fixing portion 220 can be ensured to be clamped on the cross arm more firmly.

With continued reference to fig. 1, in some possible embodiments, the suspension assembly 100 includes a diagonal 110, a horizontal cross bar 120, and a limit post 130. Wherein, one end of the inclined rod 110 is connected with the first fixing portion 210, the other end of the inclined rod 110 is fixedly connected with one end of the horizontal cross rod 120, and the limit vertical rod 130 is disposed at the other end of the horizontal cross rod 120, so that a semi-enclosed space is formed among the inclined rod 110, the horizontal cross rod 120 and the limit vertical rod 130 for placing a grounding wire, and the problem of the grounding wire sliding down can be effectively avoided due to the existence of the limit vertical rod 130.

In other possible embodiments, the horizontal rail 120 may be configured as a curved bar with an arc that better carries the ground wire. It will be appreciated that the suspension assembly 100 may also be configured in a rectangular, circular configuration, triangular shape.

In addition, it can be appreciated that the suspension assembly 100 can suspend and store a plurality of grounding wires respectively, isolate the grounding wires respectively, facilitate the disassembly and assembly of the grounding wires by the staff, and effectively avoid the contact between the staff and the grounding annealed copper wire, thereby causing the violation or the electric shock event of the staff, and further reducing the operation risk.

In addition, the auxiliary suspension device for the grounding wire of the distribution network line is made of steel, can bear weight larger than that of the grounding wire, and has good supporting strength.

In some possible embodiments, the material of the auxiliary suspension device for the grounding wire may be aluminum alloy, titanium alloy, alloy steel, stainless steel or plastic.

In addition, the auxiliary hanging device of the grounding wire can be provided with an illumination component, so that night operation is facilitated, and an electrified alarm component or an electroluminescent paint is coated, so that workers can be prompted whether the grounding wire is electrified or not, and electric shock danger is avoided.

It is to be understood that, based on the several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, where none of the embodiments exceed the protection scope of the present application.

The foregoing detailed description of the embodiments of the present application has further described the objects, technical solutions and advantageous effects thereof, and it should be understood that the foregoing is merely a specific implementation of the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.

Claims

1. The utility model provides a join in marriage net twine way earth connection auxiliary suspension device which characterized in that includes: the device comprises a hanging assembly, a locking assembly and a fixing assembly;

the fixed subassembly includes first fixed part and second fixed part, locking subassembly fixed mounting is in the one end of first fixed part, the second fixed part passes through locking subassembly with first fixed part links together, locking subassembly is used for with first fixed part and second fixed part locking centre gripping are in on the cross arm on the distribution network circuit, hang the fixed setting of subassembly is in first fixed part is kept away from locking subassembly's one end, in order to be used for hanging the earth connection.

2. The auxiliary suspension device for the ground wire of the distribution network line according to claim 1, wherein the locking assembly comprises an elastic mechanism, a fixing seat and a locking matching piece;

the fixed seat is fixedly arranged at one end of the first fixed part far away from the suspension assembly, and one end of the locking matching piece is hinged to the fixed part;

3. The auxiliary suspension device for the grounding wire of the distribution network line according to claim 2, wherein the elastic mechanism comprises a first rod, a second rod and a spring, a spring limiting part is arranged at the first end of the first rod, a spring limiting part is arranged at the first end of the second rod, the first rod and the second rod are sleeved in the spring, the second end of the first rod is hinged with the second fixing part after extending from one end of the spring, and the second end of the second rod is hinged with the locking matching piece after extending from the other end of the spring.

4. The auxiliary suspension device for the ground wire of the distribution network line according to claim 2, wherein a limiting hole is formed in the locking fitting, and the limiting hole is used for fixing the position of the locking fitting.

5. The auxiliary hanging device for the grounding wire of the distribution network line according to claim 3, wherein the first fixing portion comprises a first fixing plate, a fixing body, a second fixing plate and a limiting plate, the first fixing plate is arranged at one end of the fixing body and used for supporting the fixing seat, the second fixing plate is fixed at the other end of the fixing body and used for being fixedly connected with the hanging assembly, and the limiting plate is vertically arranged at one end of the second fixing plate and used for being in limiting connection with the cross arm.

6. The auxiliary hanging device for the ground wire of the distribution network line according to claim 5, wherein the second fixing portion comprises a fixing block and a limiting cross plate, the limiting cross plate is fixed on the fixing block, the fixing block is hinged to the first rod, and the limiting cross plate extends into a space formed between the first fixing plate and the second fixing plate to be in limiting connection with the cross arm.

7. The auxiliary suspension device for the ground wire of the distribution network according to any one of claims 1 to 6, wherein the suspension assembly comprises an inclined rod, a horizontal cross rod and a limiting vertical rod, one end of the inclined rod is connected with the first fixing portion, the other end of the inclined rod is fixedly connected with one end of the horizontal cross rod, and the limiting vertical rod is arranged at the other end of the horizontal cross rod.