CN112821326B

CN112821326B - High-voltage wire support for power distribution network equipment

Info

Publication number: CN112821326B
Application number: CN202110075865.4A
Authority: CN
Inventors: 杨娟
Original assignee: Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-09-27
Anticipated expiration: 2041-01-20
Also published as: CN112821326A

Abstract

The invention discloses a high-voltage wire bracket for power distribution network equipment, which structurally comprises an installation head, a fixing plate, a supporting plate, electric connecting columns and a resistor, wherein the top surface of the installation head is fixedly connected with the bottom surface of the fixing plate in an embedding manner, and the left side of the supporting plate is embedded in the right side of the fixing plate And (4) protecting functions.

Description

High-voltage wire support for power distribution network equipment

Technical Field

The invention relates to the field of power grids, in particular to a high-voltage wire support for power distribution network equipment.

Background

High-voltage transmission is a common means for long-distance transmission, can safely, reliably and quickly transmit current with low loss, because the voltage of the high voltage is very high, the high voltage needs to be arranged at a position higher than the ground to avoid causing harm to ground pedestrians and the like, therefore, the high-voltage wire bracket is often used for supporting the high-voltage wire bracket, the problem of short circuit of the high-voltage wire caused by various external factors is generally avoided, therefore, the high-voltage wire support is provided with the resistor so as to be used for protecting the high-voltage wire in the short circuit and preventing the high-voltage wire from being fused and falling to harm ground personnel, but if the high-voltage wire support is used in a low-temperature area, meanwhile, the high-voltage line is located at a position higher than the ground, so that the temperature is very low, moisture in the air is easily condensed on the resistor, the resistance value of the resistor is seriously reduced, and when a short circuit occurs, enough resistor cannot be provided for short-circuit protection.

Disclosure of Invention

In view of the above problems, the present invention provides a high voltage wire support for distribution network equipment.

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-voltage wire support for power distribution network equipment structurally comprises an installation head, a fixed plate, a supporting plate, an electric connecting post and a resistor, wherein the top surface of the installation head is fixedly connected with the bottom surface of the fixed plate in an embedded mode, the left side of the supporting plate is embedded into the right side of the fixed plate, the bottom of the electric connecting post is mechanically connected with the top surface of the supporting plate, and the bottom surface of the resistor is fixedly embedded into the top surface of the supporting plate; the resistor comprises a fixing frame, a conductive tube and an access head, wherein the inner layer of the fixing frame is movably clamped with the two ends of the conductive tube, the bottom surface of the access head is welded on the outer layer of the conductive tube, four electric connecting columns are arranged, two supporting plates are arranged, and one group of two electric connecting columns is fixed on one supporting plate.

Furthermore, the current-conducting tube includes electrically conductive shell, joint, electro-magnet, turns round the post, the outer and electrically conductive shell inlayer of electro-magnet contacts each other, connect the left side to imbed in the electro-magnet right side, turn round post right side and electro-magnet left side and inlay solid and be connected, the electro-magnet is equipped with two, and two electro-magnet mirror images distribute inside electrically conductive shell to the magnetism that produces is the same.

Furthermore, the torsion column comprises an inner shaft, a torsion column, impact plates, a limiting plate and an outer ring shell, the outer ring of the inner shaft is connected with the inner layer of the impact plates through the torsion column, the top end of the limiting plate is connected with the inner ring of the outer ring shell in a welding mode, the inner portion of each impact plate is in contact with the inner layer of the limiting plate, the outer layer of each impact plate is in contact with the inner layer of the outer ring shell, the number of the impact plates is two, and the two impact plates are distributed on the upper surface and the lower surface of the inner shaft in a mirror image mode.

Furthermore, the impact plate comprises a supporting ring, a clamping groove, a fit ring, impact heads and a clamping plate, wherein the inner layer of the supporting ring and the clamping groove are integrally formed, the inner portion of the fit ring is in mutual contact with two sides of the impact heads, the bottom surfaces of the impact heads are fixedly embedded in the outer layer of the supporting ring, the top surfaces of the clamping plates are welded on the inner layer of the supporting ring, the number of the impact heads is multiple, and gaps at the bottoms of the multiple impact heads are uniformly distributed on the outer layer of the supporting ring.

Further, the striking head includes pressure ball, laminating frame, gets rid of handle, top, pressure ball top surface and laminating frame bottom surface inlay and link firmly the connection, get rid of handle left side and laminating frame inlayer activity block, the top bottom surface with get rid of handle top surface activity block, get rid of the handle and establish two again, two get rid of the handle mirror image and distribute in laminating frame inlayer.

Furthermore, the throwing handle comprises a clamping wheel, a resisting plate, an upper top plate, a top rod and a pressure spring, the outer ring of the clamping wheel is fixedly connected with the top of the resisting plate in an embedded mode, the bottom surface of the upper top plate is connected with the top surface of the resisting plate in a welded mode, the bottom of the top rod is movably clamped with the top surface of the upper top plate, the pressure spring is embedded into the middle section of the top rod, and the weight of the upper top plate is far larger than that of the resisting plate.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the high-voltage electric wires connected from two ends of the electric connecting post pass through the resistor to prevent the circuit from falling due to excessive current and fusing during short circuit, when the temperature in air is too low and ice crystals are condensed on the surface of the conductive tube or short circuit occurs, the current is greatly increased, so that the electromagnet pushes the joint open, the twisted twisting post is quickly recovered, and the impact plate is ejected outwards, and the throwing handle is thrown upwards through inertia due to high speed, so that the top head is jacked, further the top head protrudes out of the surface of the joint ring and impacts the outer ring shell, the ice crystals condensed on the conductive tube are shaken off, and the phenomenon that the resistance value of the resistor is seriously reduced due to more heat absorbed by the ice crystals due to condensation is avoided.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a high-voltage wire support for power distribution network equipment according to the present invention.

Fig. 2 is a front view of the resistor of the present invention.

FIG. 3 is a schematic structural diagram of a front cross section of the conductive tube of the present invention.

Fig. 4 is a schematic structural diagram of a left-side cross section of the torsion column of the invention.

FIG. 5 is a schematic structural view of a front cross-section of an impact plate of the present invention.

Fig. 6 is a schematic structural view of a front cross section of the impact head of the present invention.

Fig. 7 is a schematic structural view of a front section of the swing handle of the present invention.

In the figure: the device comprises a mounting head-1, a fixing plate-2, a supporting plate-3, an electric connecting column-4, a resistor-5, a fixing frame-51, an electric conducting tube-52, an access head-53, an electric conducting shell-521, a joint-522, an electromagnet-523, a torsion column-524, an inner shaft-A1, a torsion column-A2, an impact plate-A3, a limiting plate-A4, an outer ring shell-A5, a supporting ring-A31, a clamping groove-A32, a joint ring-A33, an impact head-A34, a clamping plate-A35, a pressing ball-B1, a joint frame-B2, a throwing handle-B3, a top head-B4, a clamping wheel-B31, a pressing plate-B32, an upper top plate-B33, a top rod-B34 and a pressure spring-B35.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

referring to fig. 1-5, the embodiments of the present invention are as follows: a high-voltage wire support for power distribution network equipment structurally comprises an installation head 1, a fixing plate 2, a supporting plate 3, an electric connecting post 4 and a resistor 5, wherein the top surface of the installation head 1 is fixedly embedded and connected with the bottom surface of the fixing plate 2, the left side of the supporting plate 3 is embedded into the right side of the fixing plate 2, the bottom of the electric connecting post 4 is mechanically connected with the top surface of the supporting plate 3, and the bottom surface of the resistor 5 is fixedly embedded into the top surface of the supporting plate 3; the resistor 5 comprises a fixing frame 51, a conductive tube 52 and an access head 53, wherein the inner layer of the fixing frame 51 is movably clamped with the two ends of the conductive tube 52, the bottom surface of the access head 53 is welded on the outer layer of the conductive tube 52, the electric connecting columns 4 are four, the supporting plate 3 is provided with two, and the two electric connecting columns 44 are fixed on one supporting plate 3 in a group, so that the number of high-voltage electric wires accessed simultaneously is increased.

The conductive tube 52 comprises a conductive shell 521, a joint 522, an electromagnet 523 and two torsion columns 524, wherein the outer layer of the electromagnet 523 is in mutual contact with the inner layer of the conductive shell 521, the left side of the joint 522 is embedded in the right side of the electromagnet 523, the right side of the torsion column 524 is fixedly connected with the left side of the electromagnet 523, the two electromagnets 523 are arranged, the two electromagnets 523 are distributed in the conductive shell 521 in a mirror image manner, the generated magnetism is the same, and the joint 522 is pushed away when the current is too large due to short circuit or too low resistance.

The torsion column 524 comprises an inner shaft A1, a torsion column A2, two impact plates A3, a limit plate A4 and an outer ring shell A5, an outer ring of the inner shaft A1 is connected with an inner layer of the impact plate A3 through the torsion column A2, the top end of the limit plate A4 is connected with an inner ring of the outer ring shell A5 in a welding mode, the inner portion of the impact plate A3 is in contact with the inner layer of the limit plate A4, an outer layer of the impact plate A3 is in contact with the inner layer of the outer ring shell A5, the two impact plates A3 are arranged, and the two impact plates A3 are distributed above and below the inner shaft A1 in a mirror image mode, so that a better deicing effect can be generated by impacting from the upper surface and the lower surface.

The impact plate A3 comprises a supporting ring A31, a clamping groove A32, an attaching ring A33, an impact head A34 and a clamping plate A35, wherein the inner layer of the supporting ring A31 and the clamping groove A32 are integrally formed, the inside of the attaching ring A33 is in mutual contact with two sides of the impact head A34, the bottom surface of the impact head A34 is fixedly embedded in the outer layer of the supporting ring A31, the top surface of the clamping plate A35 is welded on the inner layer of the supporting ring A31, a plurality of impact heads A34 are arranged, and gaps at the bottoms of the plurality of impact heads A34 are uniformly distributed on the outer layer of the supporting ring A31, so that the impact strength and frequency can be increased.

Based on the above embodiment, the specific working principle is as follows: two high-voltage wires are connected into two electric connecting posts 4 on the same supporting plate 3, one end of each high-voltage wire is connected into a connecting head 53 of a resistor 5, current flows through a conductive tube 52 at the same time, the high-voltage wires are mutually attached and connected under the assistance of an internal spring through a connector 522 in the conductive tube 52, and at the moment, the current cannot enable an electromagnet 523 to generate enough pushing force to push the connector 522 open due to the existence of resistance, when ice crystals are condensed on a shell of the conductive tube 52 due to extremely low external temperature, the ice crystals are condensed to absorb a large amount of heat, so that the resistance is greatly reduced, the flowing current is greatly increased, the electromagnet 523 generates enough repulsive force to push the connector 522 open, a twisted twisting post A2 is quickly restored, a striking plate A3 is pushed outwards along a limiting plate A4 to be quickly outwards expanded, and the pushing force generated by quick expansion is mutually superposed with an inertia factor generated in the striking head A34, the impact head A34 is extended out of the joint ring A33 and impacts the outer ring shell A5 to generate violent impact vibration, and the impact vibration is output to the shell of the conductive tube 52 through the outer ring shell A5, so that the ice crystals condensed on the surface of the conductive tube are shaken off.

Example two:

referring to fig. 6-7, the embodiment of the present invention is as follows: the impact head A34 includes pressing ball B1, laminating frame B2, gets rid of handle B3, top B4, press ball B1 top surface and laminating frame B2 bottom surface embedded solid be connected, get rid of handle B3 left side and laminating frame B2 inlayer activity block, top B4 bottom surface and getting rid of handle B3 top surface activity block, get rid of handle B3 and establish two again, two get rid of handle B3 mirror image and distribute in laminating frame B2 inlayer, be favorable to increasing the power that gets rid of on the inertia.

The swing handle B3 comprises a clamping wheel B31, a resisting plate B32, an upper top plate B33, a top rod B34 and a pressure spring B35, wherein the outer ring of the clamping wheel B31 is fixedly connected with the top of the resisting plate B32 in an embedded mode, the bottom surface of the upper top plate B33 is connected with the top surface of the resisting plate B32 in a welded mode, the bottom of the top rod B34 is movably clamped with the top surface of the upper top plate B33, the pressure spring B35 is embedded in the middle section of the top rod B34, the weight of the upper top plate B33 is far larger than that of the resisting plate B32, and the gravity difference is favorable for generating strong inertia.

Based on the above embodiment, the specific working principle is as follows: in the outward expanding process, the pressing ball B1 of the impact head A34 is quickly ejected outwards, and meanwhile, the attaching frame at the top is driven to quickly move upwards, so that the head B4 impacts for the first time, and meanwhile, the weight of the upper top plate B33 of the swing handle B3 in the attaching frame B2 is larger, so that in the process of quickly lifting, the upper top plate B33 and the pressing plate B32 are lifted up due to inertia factors firstly through the rotation of the clamping wheel B31, after the head B4 impacts for the first time, and the pressing rod B34 applies force to the head B4 to enable the head B4 to impact again in a small amplitude, and the frequency and the strength of impact are increased.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-voltage line support for distribution network equipment, its structure includes installation head (1), fixed plate (2), layer board (3), connects electric pole (4), resistor (5), its characterized in that:

the top surface of the mounting head (1) is fixedly connected with the bottom surface of the fixing plate (2), the left side of the supporting plate (3) is embedded into the right side of the fixing plate (2), the bottom of the electric connecting column (4) is mechanically connected with the top surface of the supporting plate (3), and the bottom surface of the resistor (5) is fixedly embedded into the top surface of the supporting plate (3);

the resistor (5) comprises a fixed frame (51), a conductive tube (52) and an access head (53), wherein the inner layer of the fixed frame (51) is movably clamped with two ends of the conductive tube (52), and the bottom surface of the access head (53) is welded on the outer layer of the conductive tube (52);

the conductive tube (52) comprises a conductive shell (521), a joint (522), an electromagnet (523) and a torsion column (524), wherein the outer layer of the electromagnet (523) is in mutual contact with the inner layer of the conductive shell (521), the left side of the joint (522) is embedded into the right side of the electromagnet (523), and the right side of the torsion column (524) is fixedly connected with the left side of the electromagnet (523);

the torsion column (524) comprises an inner shaft (A1), a torsion column (A2), an impact plate (A3), a limiting plate (A4) and an outer ring shell (A5), wherein an outer ring of the inner shaft (A1) is connected with an inner layer of the impact plate (A3) through the torsion column (A2), the top end of the limiting plate (A4) is connected with an inner ring of the outer ring shell (A5) in a welded mode, the inner part of the impact plate (A3) is in contact with the inner layer of the limiting plate (A4), and an outer layer of the impact plate (A3) is in contact with the inner layer of the outer ring shell (A5).

2. A high voltage wire support for distribution network equipment, according to claim 1, wherein: the impact plate (A3) comprises a supporting ring (A31), a clamping groove (A32), an attaching ring (A33), an impact head (A34) and a clamping plate (A35), wherein the inner layer of the supporting ring (A31) and the clamping groove (A32) are integrally formed, the inner part of the attaching ring (A33) is in contact with the two sides of the impact head (A34), the bottom surface of the impact head (A34) is embedded and fixed on the outer layer of the supporting ring (A31), and the top surface of the clamping plate (A35) is welded on the inner layer of the supporting ring (A31).

3. A high voltage wire support for distribution network equipment according to claim 2, wherein: the impact head (A34) comprises a pressing ball (B1), a joint frame (B2), a throwing handle (B3) and a top head (B4), wherein the top surface of the pressing ball (B1) is fixedly connected with the bottom surface of the joint frame (B2), the left side of the throwing handle (B3) is movably clamped with an inner layer of the joint frame (B2), and the bottom surface of the top head (B4) is movably clamped with the top surface of the throwing handle (B3).

4. A high voltage wire support for distribution network equipment according to claim 3, wherein: get rid of handle (B3) including card wheel (B31), withstand board (B32), go up roof (B33), knock-pin (B34), pressure spring (B35), card wheel (B31) outer loop with withstand board (B32) top embedded solid and be connected, go up roof (B33) bottom surface and withstand board (B32) top surface welded connection, knock-pin (B34) bottom and last roof (B33) top surface activity block, pressure spring (B35) embedding is in knock-pin (B34) middle section.