CN220510728U - Wear-resistant ground wire fitting - Google Patents

Wear-resistant ground wire fitting Download PDF

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Publication number
CN220510728U
CN220510728U CN202321811233.0U CN202321811233U CN220510728U CN 220510728 U CN220510728 U CN 220510728U CN 202321811233 U CN202321811233 U CN 202321811233U CN 220510728 U CN220510728 U CN 220510728U
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CN
China
Prior art keywords
seat
hanging
suspension
ground wire
wear
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Active
Application number
CN202321811233.0U
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Chinese (zh)
Inventor
曾萍
刘志刚
黄长勇
刘伟
刘绍龙
张涛
陈美华
赵珊
程桉
雒方旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Jiangxi Electric Power Co ltd Ji'an Power Supply Branch
State Grid Corp of China SGCC
Original Assignee
State Grid Jiangxi Electric Power Co ltd Ji'an Power Supply Branch
State Grid Corp of China SGCC
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Application filed by State Grid Jiangxi Electric Power Co ltd Ji'an Power Supply Branch, State Grid Corp of China SGCC filed Critical State Grid Jiangxi Electric Power Co ltd Ji'an Power Supply Branch
Priority to CN202321811233.0U priority Critical patent/CN220510728U/en
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Publication of CN220510728U publication Critical patent/CN220510728U/en
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Abstract

The utility model provides a wear-resistant ground wire fitting, which comprises a fixed seat provided with a containing groove, wherein a compression seat is arranged in the containing groove, and the compression seat and the fixed seat are mutually clamped through a U-shaped screw; a limiting groove is formed in the fixing seat, and a limiting structure is arranged on the outer side of the fixing seat; the two sides of the pressing seat are respectively provided with a supporting part, and the upper side of the pressing seat is provided with a clamping groove corresponding to the U-shaped screw; the suspension assembly comprises a suspension seat and suspension plates symmetrically arranged on two sides of the suspension seat, the lower ends of the suspension plates are detachably connected with the fixed seat, the upper ends of the suspension plates are detachably connected with the suspension seat, and meanwhile, a clamping adjusting piece is arranged between the two suspension plates; the left side and the right side of the hanging seat are symmetrically provided with hanging rod seats. The utility model has reasonable structural design, convenient installation and use, and the hanging seat and the fixed seat are respectively provided with the hanging shaft, so that the hanging seat and the fixed seat can be effectively connected with the hanging plate, the good stability of the structure Jin Juliang can be ensured after the hanging plate is locked by the nuts, the structure is not easy to wear, the service life is long, the reliability is high, and the safe operation of a power grid is effectively ensured.

Description

Wear-resistant ground wire fitting
Technical Field
The utility model belongs to the technical field of overhead transmission lines and ground wire connection fittings, and particularly relates to a wear-resistant ground wire fitting.
Background
The line hardware plays a role in bearing an overhead transmission line and a ground wire, wherein the connecting hardware is the most numerous and complicated element in the line hardware, and the connecting hardware bears the stress effect for a long time. Traditional link fitting includes ZH type right angle ring, PS type link plate and main part bearing structure, produces the swing easily under the effect of wind power, and the long-time friction in position that each part contacted can make the load of bearing surpass its destruction load, damages serious can cause leading, ground wire drop and lead trip accident, like in the prior art, 500kV ground wire fitting like U type screw and ZH type right angle ring junction, the parallel link plate of P type and main part bearing structure's hanging axle department often can produce the friction, takes place the structure wearing and tearing easily even inefficacy fracture, constitutes huge threat to the safe operation of electric wire netting. There is therefore a need for improvements over existing ground wire hardware.
Disclosure of Invention
In view of the above, the present utility model is directed to overcoming the defects in the prior art, and provides a wear-resistant ground wire fitting.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the wear-resistant ground wire fitting comprises a fixed seat provided with a containing groove, wherein a compression seat is arranged in the containing groove of the fixed seat, and the compression seat and the fixed seat are clamped with each other through U-shaped screws symmetrically arranged on two sides of a suspension assembly;
the fixing seat is provided with a limiting groove for accommodating the U-shaped screw, two ends of the fixing seat are respectively provided with a flaring structure, and the outer side of the fixing seat is provided with a limiting structure for limiting the U-shaped screw; supporting parts matched with the side walls of the accommodating grooves are respectively arranged on two sides of the compression seat, and clamping grooves are formed in the upper side of the compression seat corresponding to the U-shaped screws;
the suspension assembly comprises a suspension seat and suspension plates symmetrically arranged on two sides of the suspension seat, the lower ends of the suspension plates are detachably connected with the fixed seat, the upper ends of the suspension plates are detachably connected with the suspension seat, and meanwhile, a clamping adjusting piece is arranged between the two suspension plates; the left side and the right side of the hanging seat are symmetrically provided with hanging rod seats;
the lifting plate comprises an upper connecting part, a lower connecting part and a transition part between the upper connecting part and the lower connecting part, wherein the upper connecting part and the lower connecting part are vertically arranged, the upper fixing hole is formed in the upper connecting part, the lower fixing hole is formed in the lower connecting part, and the clamping adjusting piece is arranged at the position, close to the transition part, of the lower connecting part;
the two sides of the fixed seat are respectively provided with a lower hanging shaft, the lower end of the hanging plate is provided with a lower fixing hole matched with the lower hanging shaft, and the hanging plate is locked through a locking nut on the lower hanging shaft; the two sides of the hanging seat are respectively provided with an upper hanging shaft, the upper end of the hanging plate is provided with an upper fixing hole matched with the upper hanging shaft, and the hanging plate and the hanging seat are locked by a locking nut;
the middle part of the hanging seat is provided with a through hole perpendicular to the hanging shaft, a fixed rod penetrating through the through hole sequentially penetrates through the connecting holes of the hanging rod seats, the hanging rod seats are locked with the hanging seat through locking pieces, and hanging rods are arranged on each hanging rod seat.
Further, the clamping adjusting piece comprises a pull rod which transversely penetrates through the two hanging plates, two ends of the pull rod are locked by nuts, and through holes for the pull rod to penetrate are formed in the hanging plates.
Further, the flaring structure and the accommodating groove are in smooth transition, and the flaring structure is provided with a downward flanging.
Further, the locking member includes a counter nut.
Further, limit structure is including the limiting plate group of symmetry arrangement in fixing base both sides, and every limiting plate group all includes two limiting plates of parallel arrangement, the limiting plate inboard is equipped with U type screw and prevents shifting the working face, and the limiting plate downside is equipped with the female spacing working face of U type screw locking.
Further, the clamping adjusting piece is arranged in the middle of the hanging plate.
Further, the length of the lower connecting part of the hanging plate is larger than 1/2 of the total length of the hanging plate, and the clamping adjusting piece is arranged at the position, close to the transition part, of the lower connecting part.
Compared with the prior art, the utility model has the following advantages:
the utility model has reasonable structural design, convenient installation and use, and the hanging seat and the fixed seat are respectively provided with the hanging shaft, so that the hanging seat and the fixed seat can be effectively connected with the hanging plate, the good stability of the structure Jin Juliang can be ensured after the hanging plate is locked by the nuts, the structure is not easy to wear, the service life is long, the reliability is high, and the safe operation of a power grid is effectively ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute an undue limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a hanger part in accordance with the present utility model;
FIG. 3 is a schematic view of a holder portion of the present utility model;
FIG. 4 is a schematic illustration of the present utility model with the U-screws removed;
fig. 5 is a schematic diagram of the present utility model when the present utility model is applied.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The wear-resistant ground wire fitting comprises a fixed seat 1 provided with a containing groove, wherein a compression seat 2 is arranged in the containing groove of the fixed seat, and the compression seat and the fixed seat are clamped by U-shaped screws 3 symmetrically arranged on two sides of a suspension assembly; the fixing seat is provided with a limiting groove 4 for accommodating the U-shaped screw, two ends of the fixing seat are respectively provided with a flaring structure 5, and the outer side of the fixing seat is provided with a limiting structure 6 for limiting the U-shaped screw; the both sides of compressing tightly the seat are equipped with respectively with holding tank lateral wall complex supporting part, compress tightly the seat upside simultaneously and correspond U type screw and be equipped with draw-in groove 7. For example, the compression seat is made of malleable cast iron and is used for being matched with the U-shaped screw to compress the ground wire 28, so that the point contact form between the ground wire and the U-shaped screw is effectively avoided, the contact area is increased, the fixing effect is enhanced, and abrasion caused by relative movement between the ground wire and the fixing seat due to the action of wind force caused by the fact that the ground wire is not compressed is avoided. The U-shaped screw is matched with the pressing seat, so that the ground wire can be effectively prevented from moving in the online clamp, and a good effect can be achieved on preventing breeze vibration of the ground wire.
In an alternative embodiment, the flaring structure and the accommodating groove are in smooth transition, the flaring structure is provided with a downward flanging 23, and the fixing seat of the ground wire fitting provided by the utility model has a certain curvature radius and enough suspension angle for the situation that different suspension angles are generated on the wires or the ground wires at the two sides of the suspension point of the linear tower due to the fluctuation of topography, unequal span and load or air temperature change on the power transmission line. By way of example, the radius of curvature of the flared structure should be no less than 8 times the diameter of the wire being installed, the overhang angle should be greater than half of the sum of the overhang angles of the wires on both sides thereof, ensuring the stability of the connection of the wires with the overhang clamp. The structural design avoids strand breakage or wire breakage caused by local mechanical damage of the lead or the ground wire, can ensure that the ground wire is not subjected to larger bending stress near a wire outlet (flaring structure) of the fixed seat, has smooth surface of the flaring structure part and streamline edge, and reduces corona.
The suspension assembly comprises a suspension seat 8 and suspension plates 9 symmetrically arranged on two sides of the suspension seat, wherein the lower ends of the suspension plates are detachably connected with the fixed seat, the upper ends of the suspension plates are detachably connected with the suspension seat, and meanwhile, a clamping adjusting piece 10 is arranged between the two suspension plates; the left side and the right side of the hanging seat are symmetrically provided with hanging rod seats 11; the hanging plate can be formed by adopting a steel plate under normal pressure. The hanger plate includes upper connecting portion 12, lower connecting portion 13 and the transition portion 14 between the two, and upper connecting portion and lower connecting portion are all vertical to be arranged, upper fixed orifices locate upper connecting portion, lower connecting portion is located to the fixed orifices down, presss from both sides tight setting element and arranges in the lower connecting portion and be close to the transition portion position. Typically, the clamping adjustment is disposed in the middle of the hanger plate. As a further improvement, the length of the lower connecting part of the hanging plate is greater than 1/2 of the total length of the hanging plate, and the clamping adjusting piece is arranged at the position of the lower connecting part close to the transition part.
The two sides of the fixed seat are respectively provided with a lower hanging shaft 15, the lower end of the hanging plate is provided with a lower fixing hole matched with the lower hanging shaft, and the hanging plate is locked through a locking nut on the lower hanging shaft; the two sides of the hanging seat are respectively provided with an upper hanging shaft 16, the upper end of the hanging plate is provided with an upper fixing hole matched with the upper hanging shaft, and the hanging plate and the hanging seat are locked by a locking nut; the middle part of the hanging seat is provided with a through hole 17 perpendicular to the hanging shaft, a fixed rod 18 penetrating through the through hole sequentially penetrates through the connecting holes of the hanging rod seats, the hanging rod seats are locked with the hanging seat through locking pieces 19, and a hanging rod 20 is arranged on each hanging rod seat. The upper end of the suspender is connected with the iron tower or other fixed positions required, which is very convenient. During installation operation, the fixing rod sequentially passes through the suspender seat on one side, the suspender seat on the other side and the suspender seat on the other side, then the two ends of the fixing rod are respectively locked by the locking piece, and when the ground wire is required to be loosened, the nut of the U-shaped screw is only required to be unscrewed, and the clamping acting force between the compression seat and the fixing seat is removed. When needs dismantle fast, only need unscrew the retaining member, then withdraw from the dead lever, can be with fitting and the iron tower quick separation that is connected, the operation is very convenient.
By way of example, the locking member includes a counter nut. In an alternative embodiment, a wear-resistant table 27 can be arranged at the joint position of the lower hanging shaft and the fixing seat, and the diameter of the wear-resistant table is larger than that of the lower hanging shaft, so that not only can the hanging plate be effectively clamped and fixed, but also the functions of wear resistance and reinforcing structure can be achieved, and similarly, the upper hanging shaft part can be designed into a similar wear-resistant table structure.
Hanging shafts are arranged on the hanging seat and the fixing seat, so that the hanging seat and the fixing seat can be effectively connected with the hanging plate, and good stability can be kept after the hanging plate is locked through nuts. The clamping adjusting piece comprises a pull rod 21 transversely penetrating through the two hanging plates, two ends of the pull rod are locked by nuts 22, and through holes for the pull rod to penetrate are formed in the hanging plates. Or, the clamping adjusting piece comprises a bolt transversely penetrating through the two hanging plates, one end of a screw rod of the bolt is screwed with a nut, and the two hanging plates are tightly tightened through the nut.
The limiting structure comprises limiting plate groups symmetrically arranged on two sides of the fixing seat, each limiting plate group comprises two limiting plates 24 which are arranged in parallel, a U-shaped screw anti-shifting working surface 25 is arranged on the inner side of each limiting plate, and a U-shaped screw locking female limiting working surface 26 is arranged on the lower side of each limiting plate. The upper end of the locking nut of the U-shaped screw abuts against the limiting working surface of the locking nut of the U-shaped screw, so that the purpose that the compression seat and the fixing seat clamp the ground wire is achieved. The compression seat is stably matched with the U-shaped screw, a certain holding force is arranged between the compression seat and the fixed seat for the ground wire under the locking action of the U-shaped screw, and the ground wire cannot slide out of the fixed seat of the gold tool when the wire is in normal operation or broken condition and unbalanced tension is generated on the ground wire, so that the stability and the safety of the structure are ensured.
It should be pointed out that the clamping adjusting piece designed by the local ground wire fitting can effectively prevent the cable from shaking for a long time to wear the cable and the fitting, reduce the vibration of the cable and improve the stability and the reliability of the system. The clamping acting force between the two hanging plates can be adjusted through the clamping adjusting piece, so that the hanging plates can be tightly attached to the hanging seat and the fixing seat, the fixing seat can be kept in a clamping state with the pressing seat, the attaching between the pressing seat (supporting portion) and the side wall of the accommodating groove of the fixing seat is stable, the stability of the clamped ground wire is guaranteed, the phenomenon of movement is not easy to occur, meanwhile, the pressing seat, the fixing seat and the hanging plates are firmly combined, the stability is very good, and abrasion is not easy to occur. Even can lock the hanger plates through the nuts, and make two hanger plates clamp by utilizing the clamping adjusting piece, and then fix the fixing seat at a certain inclination angle, so as to adapt to the needs of special working conditions. The structural design of the clamping adjusting piece strengthens the safety coefficient and the mechanical strength of the hardware fitting, so that the hardware fitting can better bear the total load consisting of the vertical load and the horizontal wind load of the ground wire under the condition of normal operation of the circuit, and the abrasion between parts caused by overlarge load is reduced.
The utility model has reasonable structural design, is very convenient to install, use and disassemble, and has hanging shafts on the hanging seat and the fixed seat, so that the hanging plate can be effectively connected with the hanging seat, the good stability of the utility model Jin Juliang can be ensured after the hanging plate is locked by the nut, the structural members are not easy to wear, the service life is long, the reliability is high, and the safe operation of a power grid is effectively ensured.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a stand wear and tear ground wire gold utensil which characterized in that: the device comprises a fixed seat provided with a containing groove, wherein a pressing seat is arranged in the containing groove of the fixed seat, and the pressing seat and the fixed seat are clamped with each other through U-shaped screws symmetrically arranged on two sides of a suspension assembly;
the fixing seat is provided with a limiting groove for accommodating the U-shaped screw, two ends of the fixing seat are respectively provided with a flaring structure, and the outer side of the fixing seat is provided with a limiting structure for limiting the U-shaped screw; supporting parts matched with the side walls of the accommodating grooves are respectively arranged on two sides of the compression seat, and clamping grooves are formed in the upper side of the compression seat corresponding to the U-shaped screws;
the suspension assembly comprises a suspension seat and suspension plates symmetrically arranged on two sides of the suspension seat, the lower ends of the suspension plates are detachably connected with the fixed seat, the upper ends of the suspension plates are detachably connected with the suspension seat, and meanwhile, a clamping adjusting piece is arranged between the two suspension plates; the left side and the right side of the hanging seat are symmetrically provided with hanging rod seats;
the two sides of the fixed seat are respectively provided with a lower hanging shaft, the lower end of the hanging plate is provided with a lower fixing hole matched with the lower hanging shaft, and the hanging plate is locked through a locking nut on the lower hanging shaft; the two sides of the hanging seat are respectively provided with an upper hanging shaft, the upper end of the hanging plate is provided with an upper fixing hole matched with the upper hanging shaft, and the hanging plate and the hanging seat are locked by a locking nut;
the lifting plate comprises an upper connecting part, a lower connecting part and a transition part between the upper connecting part and the lower connecting part, wherein the upper connecting part and the lower connecting part are vertically arranged, the upper fixing hole is formed in the upper connecting part, the lower fixing hole is formed in the lower connecting part, and the clamping adjusting piece is arranged at the position, close to the transition part, of the lower connecting part;
the middle part of the hanging seat is provided with a through hole perpendicular to the hanging shaft, a fixed rod penetrating through the through hole sequentially penetrates through the connecting holes of the hanging rod seats, the hanging rod seats are locked with the hanging seat through locking pieces, and hanging rods are arranged on each hanging rod seat.
2. The wear-resistant ground wire fitting according to claim 1, wherein: the clamping adjusting piece comprises a pull rod which transversely penetrates through the two hanging plates, two ends of the pull rod are locked by nuts, and through holes for the pull rod to penetrate are formed in the hanging plates.
3. The wear-resistant ground wire fitting according to claim 1, wherein: the flaring structure and the accommodating groove are in smooth transition, and the flaring structure is provided with a downward flanging.
4. The wear-resistant ground wire fitting according to claim 1, wherein: the locking member includes a counter nut.
5. The wear-resistant ground wire fitting according to claim 1, wherein: the limiting structure comprises limiting plate groups symmetrically arranged on two sides of the fixing seat, each limiting plate group comprises two limiting plates which are arranged in parallel, a U-shaped screw anti-shifting working face is arranged on the inner side of each limiting plate, and a U-shaped screw locking nut limiting working face is arranged on the lower side of each limiting plate.
6. The wear-resistant ground wire fitting according to claim 1, wherein: the clamping adjusting piece is arranged in the middle of the hanging plate.
7. A wear resistant ground wire fitting as set forth in claim 1 or 6, wherein: the length of the lower connecting part of the hanging plate is larger than 1/2 of the total length of the hanging plate, and the clamping adjusting piece is arranged at the position, close to the transition part, of the lower connecting part.
CN202321811233.0U 2023-07-11 2023-07-11 Wear-resistant ground wire fitting Active CN220510728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321811233.0U CN220510728U (en) 2023-07-11 2023-07-11 Wear-resistant ground wire fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321811233.0U CN220510728U (en) 2023-07-11 2023-07-11 Wear-resistant ground wire fitting

Publications (1)

Publication Number Publication Date
CN220510728U true CN220510728U (en) 2024-02-20

Family

ID=89870704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321811233.0U Active CN220510728U (en) 2023-07-11 2023-07-11 Wear-resistant ground wire fitting

Country Status (1)

Country Link
CN (1) CN220510728U (en)

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