CN211480868U - Three-split spacing rod - Google Patents

Abstract

The utility model belongs to electric power application equipment field relates to the conductor spacer, especially relates to a three-split conductor spacer. Including triangle main part and fastener, the fastener is installed respectively on the summit position of triangle main part, the summit position department connecting pipe of triangle main part, the fastener passes through the connecting pipe setting on the summit position of triangle main part, the fastener includes the fastener body and sets up the spliced pole in fastener body one end, the one end suit that the fastener body was kept away from to the spliced pole is in the connecting pipe, be provided with tight piece on the pipe wall of connecting pipe, press from both sides the pipe wall setting that tight piece runs through the connecting pipe, the cover is equipped with lock nut on the connecting pipe, the utility model discloses utilize the cooperation setting of pressing from both sides tight piece and recess, realized the high-speed joint of fastener and triangle main part, simultaneously, through auxiliary nut's setting, ensure fixed stability, and then solve the technical problem.

Description

Three-split spacing rod

Technical Field

The utility model belongs to electric power application equipment field relates to the conductor spacer, especially relates to a three-split conductor spacer.

Background

The primary purpose of the spacer is to limit relative movement between the sub-conductors and to maintain the split conductor geometry under normal operating conditions. Two, four or more split conductors are adopted for each phase of conductor of the long-distance and large-capacity ultrahigh-voltage transmission line. At present, the 220KV and 330KV transmission lines adopt two split conductors,

the 500KV transmission line adopts three-split and four-split conductors, and the ultrahigh voltage transmission line with the voltage higher than 500KV adopts six-split and more-split conductors.

In order to ensure that the distance between the split conductor harnesses is kept constant to meet the electrical performance, reduce the surface potential gradient and avoid electromagnetic force between the conductor harnesses to cause mutual attraction collision under the condition of short circuit or cause instant attraction collision, but the normal state can be recovered after the accident is eliminated, so that the spacing rods are arranged in the span at a certain distance. The installation of the spacer bar can also play a certain role in inhibiting the oscillation of the secondary span and the breeze vibration.

The existing three-split damping spacer is formed by a double-frame structure which is respectively provided with connecting holes at three vertexes of a triangle, is also provided with an oval positioning hole outside the connecting holes and is connected with a wire clamp main body which is protruded at the tail part and is wrapped and cast with a stainless steel rod through a connecting hole bolt. And a rubber block is arranged between the wire clamp main body and the frame. Although the spacer can play a role in spacing and supporting the wires, the existing three-split spacer is made of common eutectic aluminum-silicon alloy materials and is low in strength, so that the existing three-split spacer is inevitably thick in size and heavy in weight in order to ensure enough strength, the weight of the three-split spacer is usually more than 5.5 kilograms, and the spacer is easy to shake due to the fact that the three wires are influenced by wind power during field construction, and therefore the mounting difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the big technical problem of the installation degree of difficulty of foretell three-split conductor spacer, provide a reasonable in design, simple structure, processing convenience and easy to assemble's three-split conductor spacer.

In order to achieve the aim, the technical proposal adopted by the utility model is that the utility model provides a three-split spacing rod, which comprises a triangular main body and a wire clamp, the wire clamps are respectively arranged at the top points of the triangular main bodies, the top points of the triangular main bodies are connected with the pipes, the wire clamp is arranged at the vertex position of the triangular main body through a connecting pipe and comprises a wire clamp body and a connecting column arranged at one end of the wire clamp body, one end of the connecting column, which is far away from the wire clamp body, is sleeved in the connecting tube, the tube wall of the connecting tube is provided with a clamping block, the clamping block penetrates through the pipe wall of the connecting pipe, a locking nut is sleeved on the connecting pipe, the locking nut is in threaded connection with the connecting pipe, the end face of one end, extending out of the connecting pipe, of the clamping block is arranged in an inclined mode, and a groove matched with the clamping block is formed in the connecting column.

Preferably, the clamping blocks are uniformly distributed on the pipe wall of the connecting pipe in an annular shape.

Preferably, one end of the clamping block close to the triangular main body is arranged on the pipe wall of the connecting pipe.

Preferably, the connecting column is further provided with an auxiliary nut, and the auxiliary nut is in threaded connection with the connecting column and the connecting pipe respectively.

Preferably, one end, far away from the wire clamp body, of the connecting column is provided with a damping rubber pad, and the damping rubber pad is detachably fixed on the connecting column.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a three-split conductor spacer utilizes the cooperation setting of pressing from both sides tight piece and recess, has realized the high-speed joint of fastener and triangle main part, simultaneously, through the setting of auxiliary nut, ensures fixed stability, and then solves the technical problem that current efficiency of construction is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of a three-split spacer provided in example 1;

fig. 2 is a schematic structural diagram of the triangular main body provided in embodiment 1;

fig. 3 is a schematic structural view of the wire clamp provided in embodiment 1;

in the above figures, 1, a triangular body; 2. a connecting pipe; 21. a clamping block; 22. locking the nut; 3. wire clamps; 31. a wire clamp body; 32. connecting columns; 321. a groove; 4. an auxiliary nut; 5. damping rubber pad.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, this embodiment aims at providing a three-split spacer capable of realizing quick installation, and when considering that the main problem of inconvenient installation of the existing three-split spacer is that the existing wire clamp and the triangular main body are installed, a bolt fixing mode is mainly adopted, so that a hole needs to be aligned for further installation in the fixing mode, and some quick installation structures have unstable conditions.

Like the existing three-division spacer, the three-division spacer provided in this embodiment includes a triangular main body 1 and a wire clamp 3, the wire clamp 3 is respectively installed at the vertex position of the triangular main body 1, unlike the conventional one, in this embodiment, a connecting pipe 2 is connected at the vertex position of the triangular main body 1, the wire clamp 3 is installed at the vertex position of the triangular main body 1 through the connecting pipe 2, specifically, the wire clamp 3 includes a wire clamp body 31 and a connecting column 32 installed at one end of the wire clamp body 31, in this embodiment, the connecting column 32 is arranged in a step shape, the end with a smaller diameter extends into the connecting pipe 2, the end with a larger diameter has the same diameter as and is closely arranged to the outer diameter of the connecting pipe 2, in order to realize the quick fixation of the connecting column 32, in this embodiment, a clamping block 21 is installed on the pipe wall of the connecting pipe 2, specifically, a rectangular through hole is installed on the, the clamping block 21 is arranged in the through hole, when the bottom of the clamping block 21 is horizontal to the inner wall of the connecting pipe 2, the other end of the clamping block 21 is exposed outside the pipe wall of the connecting pipe 2, the end face of the clamping block 21 extending out of one end of the connecting pipe 2 is inclined, meanwhile, the connecting pipe 2 is sleeved with the locking nut 22, the locking nut 22 is in threaded connection with the connecting pipe 2, thus, by rotating the locking nut 22, the clamping block 21 is driven to move towards the inner wall of the connecting pipe 2 under the action of the locking nut 22, meanwhile, the connecting column 32 is provided with the groove 321 matched with the clamping block 21, so that the clamping block 21 is clamped in the groove 321, thereby realizing the quick connection of the wire clamp 3 and the triangular main body 1, in the embodiment, in order to ensure the fixing effect, the cross section of the top end of the clamping block 21 is in a direct trapezoidal shape, namely, the, and a part of the clamping block is in a horizontal state, and meanwhile, the end surface of the clamping block 21 is also provided with threads, so that the clamping block is conveniently fixed with a connecting nut.

With the above arrangement, the fixing can be achieved by merely inserting the connecting post 32 into the connecting tube 2 and then rapidly turning the lock nut 22. In order to facilitate the connecting column 32 to accurately find the position of the groove 321 and the clamping block 21, one end of the connecting column 32 extending into the connecting tube 2 may be polygonal, of course, the inner wall of the connecting tube 2 may also be polygonal, or the connecting column 32 may be columnar, and the surface thereof is provided with a positioning protrusion, or the wall of the connecting tube 2 is provided with a positioning groove 321 which is cooperatively arranged.

In order to ensure the stability of the fastening, the clamping blocks 21 are distributed uniformly in a ring shape on the wall of the connecting tube 2. In this embodiment, four clamping blocks 21 are provided, the central angle between adjacent clamping blocks 21 is 90 °, and the four clamping blocks 21 can effectively improve the fixing effect and prevent falling.

For further firm fixed effect, in this embodiment, the one end setting that presss from both sides tight piece 21 to be close to triangular main body 1 is on the pipe wall of connecting pipe 2, the purpose that sets up like this, can make a part of connecting pipe 2 expose outside, and at this moment, still be provided with auxiliary nut 4 on spliced pole 32, and auxiliary nut 4 respectively with spliced pole 32 and connecting pipe 2 threaded connection, half of auxiliary nut 4 is fixed on spliced pole 32 promptly, half is fixed on connecting pipe 2, the fixing of spliced pole 32 and connecting pipe 2 has further been realized, and simultaneously, because auxiliary nut 4's existence, double nut's structure has been formed, and then place lock nut 22 and drop, ensure fixed effect.

In order to reduce vibration, a damping rubber pad 5 is arranged at one end of the connecting column 32 far away from the wire clamp body 31, and the damping rubber pad 5 is detachably fixed on the connecting column 32. Specific theory, damping rubber pad 5 is provided with the screw hole including being the rubber packing body of column setting and setting at the bolt at body middle part on spliced pole 32, and the rubber packing body can be dismantled through the bolt and fix on spliced pole 32, like this, through the setting of rubber pad, has improved the shock attenuation effect.

In this embodiment, a damping rubber is also provided at the bottom of the groove 321, so that when the clamping block 21 is in contact with the connecting column 32, due to the damping rubber, it forms a soft contact, thereby improving the damping effect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a three-part spacer, includes triangle main part and fastener, the fastener is installed respectively on the summit position of triangle main part, a serial communication port, the summit position department connecting pipe of triangle main part, the fastener passes through the connecting pipe setting on the summit position of triangle main part, the fastener includes the fastener body and sets up the spliced pole in fastener body one end, the one end suit that the fastener body was kept away from to the spliced pole is in the connecting pipe, be provided with tight piece on the pipe wall of connecting pipe, press from both sides the pipe wall setting that the piece runs through the connecting pipe, the cover is equipped with lock nut on the connecting pipe, threaded connection between lock nut and the connecting pipe press from both sides the terminal surface slope setting that the one end of piece stretched out the connecting pipe, be provided with.

2. The three-split spacer according to claim 1 wherein the clamping blocks are evenly distributed in a ring shape on the wall of the connecting tube.

3. The three-split spacer of claim 2 wherein the clamping block is disposed on the wall of the connecting tube proximate to one end of the triangular body.

4. The three-split spacer according to claim 3, wherein the connecting column is further provided with auxiliary nuts, and the auxiliary nuts are respectively in threaded connection with the connecting column and the connecting pipe.

5. The three-split spacer as claimed in claim 4, wherein the connecting column is provided with a damping rubber pad at an end thereof remote from the wire clamp body, the damping rubber pad being detachably fixed to the connecting column.

Images