CN217841105U

CN217841105U - Cross arm support for cement pole

Info

Publication number: CN217841105U
Application number: CN202221572175.6U
Authority: CN
Inventors: 朱泽忠
Original assignee: Meizhou Jiaan Electric Power Design Co ltd
Current assignee: Meizhou Jiaan Electric Power Design Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-18
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a cross arm support for cement pole relates to cross arm support technical field, and complicated trouble when installing or changing to current cross arm, the construction is dangerous great, and the cross arm is because of bearing the easy fatigue damage of exogenic action for a long time simultaneously, and the arrester of power station inlet wire upside probably breaks down for a long time, and the problem of facilities such as transformer can be damaged in the thunderbolt, and the following scheme is proposed now, and it includes first fixed establishment, install second fixed establishment on the first fixed establishment, just second fixed establishment is except that partial structure, and all the other parts are both the same, two fixed establishment's top is connected with the metal sheet, just the both ends of metal sheet are provided with damping mechanism, damping mechanism's top is connected with the second metal sheet, just the insulator is installed at the both ends of second metal sheet. The utility model discloses install and dismantle more convenient and fast, improved the atress environment of cross arm, and set up the striking stick on the insulator, have better guard action.

Description

Cross arm support for cement pole

Technical Field

The utility model relates to a cross arm support technical field especially relates to a cross arm support for cement pole.

Background

The cross arm is an angle iron transversely fixed at the top of a telegraph pole, a porcelain bottle is arranged on the cross arm and used for supporting an overhead wire, the cross arm is an important component in a pole tower and used for installing insulators and hardware fittings so as to support a lead and a lightning conductor and keep a certain safety distance according to regulations, the cross arm needs to be replaced after reaching a certain service life and service life, the existing cross arm is complex and troublesome to install or replace and needs longer time to replace, the operation area is small because the cross arm is operated on a pole, the number of overhead workers on the pole is limited, a large amount of cross operation is performed, great danger is brought to the operation of constructors, meanwhile, the breeze vibration of the lead of a power transmission line can act on the cross arm through an insulator string, the cross arm is easy to generate fatigue damage due to the action of high-frequency low-amplitude external force for a long time, the service life and the service life are reduced, in addition, a lightning arrester is arranged on the upper side of the cross arm, the power transmission line can fail to check in place, so that a transformer and power distribution facilities are easy to be damaged due to lightning stroke, economic losses are caused by long-time operation, and the cross arm is provided, and the problem of the cross arm is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of cross arm support for cement pole has solved current cross arm installation or complicated trouble when changing, and the construction is dangerous great, and the cross arm is because of bearing the easy fatigue damage of exogenic action for a long time simultaneously, and the long-time operation of arrester of power station inlet wire upside probably breaks down, and the problem of facilities such as transformer can be damaged to the thunderbolt.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cross arm support for cement pole, includes first fixed establishment, install second fixed establishment on the first fixed establishment, just second fixed establishment is the same with first fixed establishment's major structure, first fixed establishment, second fixed establishment's top are connected with the metal sheet, just the both ends of metal sheet are provided with damping mechanism, damping mechanism's top is connected with the second metal sheet, just the insulator is installed at the both ends of second metal sheet.

Preferably, first fixed establishment includes the staple bolt, be provided with a plurality of screw holes on the staple bolt, just the inside surface of staple bolt is provided with a plurality of spine recesses, the screw hole is supporting to be provided with screw rod and nut, the first movable rod of outer fixed surface of staple bolt is connected with, just the upper end of first movable rod is provided with the connecting hole.

Preferably, the length and the bending direction of the second movable rod of the second fixing mechanism are different from those of the first movable rod of the first fixing mechanism, and the rest parts of the second fixing mechanism are identical to those of the first fixing mechanism.

Preferably, the both ends of metal sheet are provided with a plurality of recesses, just the bottom of metal sheet is provided with a plurality of connecting pieces, including the connecting rod on the connecting piece, just the both ends of connecting rod are half spherical structure.

Preferably, the damping mechanism includes the stopper, the stopper is the cylindrical metal block of recess formula, just install the spring in the recess of stopper, the central department of spring is provided with movable telescopic link.

Preferably, a plurality of symmetrical mounting holes are formed in the second metal plate, an insulator is mounted below the mounting holes, an arc striking rod is fixedly mounted on the insulator, and the arc striking rod is made of arc-shaped metal.

The beneficial effects of the utility model are that:

1. the utility model discloses a first fixed establishment and second fixed establishment have been set up for the cross arm can be firmly and quick install on the cement pole, under the stable prerequisite of not influencing, the installation of cross arm is convenient more quick with the dismantlement, has reduced the danger of constructor operation.

2. The utility model discloses a damping mechanism has been set up, the vibration that the wire leads to because of breeze blows through insulator chain and transmits the energy on the cross arm and obtain the buffering to improve the stress environment of cross arm, prolong its life and labour's age.

3. The utility model discloses a set up the striking stick for the insulator, the clearance of discharging has been possessed on messenger's cross arm insulator to make ordinary cross arm insulator compromise lightning protection function on the insulated wire, effectively reduced the occurence of failure of insulated wire because of the thunderbolt broken string, play lightning-arrest wire defense effect in the transformer substation, avoid damaging transformer and distribution facility after the transformer substation's inlet wire upside arrester moves for a long time or the inspection is not in place inefficacy, play better guard action, economic loss has been reduced effectively.

To sum up, the utility model discloses the installation of device ordinary cross arm than with dismantle more convenient and swift, reduced constructor high altitude construction's danger, improved the atress environment of cross arm, prolong its life and labour year, and set up the striking stick on the insulator, play better guard action, reduced economic loss effectively.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the hoop of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.

Fig. 6 is an enlarged view of C in fig. 2 according to the present invention.

Fig. 7 is an enlarged view of the point D in fig. 3 according to the present invention.

Reference numbers in the figures: 1. a first fixing mechanism; 101. hooping; 102. a screw hole; 103. a sharp thorn groove; 104. a screw; 105. a nut; 106. a first movable bar; 107. connecting holes; 2. a second fixing mechanism; 201. a second movable bar; 3. a metal plate; 301. a groove; 302. a connecting member; 303. a connecting rod; 4. a vibration reduction mechanism; 401. a limiting block; 402. a spring; 403. a movable telescopic rod; 5. a second metal plate; 501. mounting holes; 6. an insulator; 601. and an arc striking rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a cross arm support for a cement pole comprises a first fixing mechanism 1, a second fixing mechanism 2 is installed on the first fixing mechanism 1, the second fixing mechanism 2 is the same as the main body structure of the first fixing mechanism 1, a metal plate 3 is connected above the first fixing mechanism 1 and the second fixing mechanism 2, damping mechanisms 4 are arranged at two ends of the metal plate 3, a second metal plate 5 is connected to the top of each damping mechanism 4, and insulators 6 are installed at two ends of each second metal plate 5.

As shown in fig. 2, fig. 3, and fig. 4, the first fixing mechanism 1 includes a hoop 101, and is configured to fix a position of the first fixing mechanism on a concrete pole, a plurality of screw holes 102 are provided on the hoop 101, and are configured to allow a screw 104 to pass through and be screwed with a nut 105, and a plurality of spine grooves 103 are provided on an inner surface of the hoop 101, so that a spine-shaped concave-convex shape is formed on an inner surface of the hoop 101, a force-receiving area is reduced, pressure is increased, and friction between the hoop 101 and the concrete pole is increased, thereby ensuring that the hoop 101 cannot fall off, the screw holes 102 are configured with the screw 104 and the nut 105, the first movable rod 106 is fixedly connected to an outer surface of the hoop 101, and is configured to allow the hoop 101 to be connected to a metal plate 3, and a connecting hole 107 is provided at an upper end of the first movable rod 106, and the first movable rod 106 is connected to a connecting rod 302 through a connecting rod 303.

As shown in fig. 1 and 2, the length and the bending direction of the second movable rod 201 of the second fixing mechanism 2 are different from those of the first movable rod 106 of the first fixing mechanism 1, the rest of the second fixing mechanism 2 is completely the same as that of the first fixing mechanism 1, the first movable rod 106 is bent outwards, the second movable rod 201 is bent inwards, and the second fixing mechanism 2 and the first fixing mechanism 1 are used in a matching manner, so that the metal plate 3 can be firmly fixed.

As shown in fig. 2, the two ends of the metal plate 3 are provided with a plurality of grooves 301 for the damping mechanism 4 to be installed, and the bottom of the metal plate 3 is provided with a plurality of connecting members 302 for connecting with the first movable rod 106 and the second movable rod 201, the connecting members 302 include connecting rods 303, and the two ends of the connecting rods 303 are of hemispherical structures.

As shown in fig. 6, the damping mechanism 4 includes a limiting block 401, the limiting block 401 is a groove-type cylindrical metal block, a spring 402 is installed in a groove of the limiting block 401, the limiting function is performed on the spring 402, a movable telescopic rod 403 is arranged at the center of the spring 402, and the spring 402 is also limited.

As shown in fig. 2, a plurality of symmetrical mounting holes 501 are formed in the second metal plate 5, an insulator 6 is mounted below the mounting holes 501, an arc striking rod 601 is fixedly mounted on the insulator 6, and the arc striking rod 601 is made of an arc-shaped metal material and plays a lightning protection role.

The working principle is as follows: when the device is used, firstly, the hoops of the first fixing mechanism 1 and the second fixing mechanism 2 can form a movable structure under the action of the movable rod, when in installation, only the hoops of the first fixing mechanism 1 and the second fixing mechanism 2 need to be firstly disassembled from the screw rod 104 and the nut 105, at the moment, the front half part and the rear half part of the hoops are separated, the first fixing mechanism 1 and the second fixing mechanism 2 can freely move, then, the inner surfaces of the two hoops are attached to proper positions of the cement pole, the front half part and the rear half part of the hoops are screwed up through the screw rod 104 and the nut 105, the device of the utility model can be installed on the cement pole, when the vibration of the lead caused by breeze is transmitted to the cross arm through the insulator 6, can be earlier one step with kinetic energy transmission for damping mechanism 4, damping mechanism 4 can cushion, make kinetic energy converted into elastic potential energy, finally reduce the influence to the cross arm, when overhead insulation transmission and distribution network receives direct thunderbolt or induction thunder and lightning, the air gap that the striking stick 601 on the insulator 6 provided can move earlier before the insulator 6 flashover and discharge, the flashover passageway of thunder and lightning is provided, the power frequency electric arc that sets up on the lightning flashover passageway or the arc root of single-phase short-circuit current, can only fix on the high-low voltage pole that the striking stick 601 provided, and can not flow the cluster on insulator 6 body or wire, thereby insulator 6 has avoided the burn of parachute pack, the phenomenon of even burning off insulated wire takes place.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cross arm support for cement pole, includes first fixed establishment (1), its characterized in that, install second fixed establishment (2) on first fixed establishment (1), just second fixed establishment (2) are the same with the major structure of first fixed establishment (1), the top of first fixed establishment (1), second fixed establishment (2) is connected with metal sheet (3), just the both ends of metal sheet (3) are provided with damping mechanism (4), the top of damping mechanism (4) is connected with second metal sheet (5), just insulator (6) are installed at the both ends of second metal sheet (5).

2. The cross arm bracket for the cement pole as claimed in claim 1, wherein the first fixing mechanism (1) comprises a hoop (101), the hoop (101) is provided with a plurality of screw holes (102), the inner surface of the hoop (101) is provided with a plurality of spine grooves (103), the screw holes (102) are provided with a screw rod (104) and a nut (105) in a matching manner, the outer surface of the hoop (101) is fixedly connected with a first movable rod (106), and the upper end of the first movable rod (106) is provided with a connecting hole (107).

3. A crossarm support for a cement pole according to claim 2, characterized in that the length and bending direction of the second movable rod (201) of the second fixing means (2) are different from the first movable rod (106) of the first fixing means (1), and the rest of the second fixing means (2) is identical to the first fixing means (1).

4. The cross arm bracket for the cement pole as claimed in claim 1, wherein a plurality of grooves (301) are provided at both ends of the metal plate (3), and a plurality of connecting members (302) are provided at the bottom of the metal plate (3), the connecting members (302) comprise connecting rods (303), and both ends of the connecting rods (303) are of a hemispherical structure.

5. The cross arm bracket for the cement pole as claimed in claim 1, wherein the damping mechanism (4) comprises a limiting block (401), the limiting block (401) is a groove type cylindrical metal block, a spring (402) is installed in a groove of the limiting block (401), and a movable telescopic rod (403) is arranged at the center of the spring (402).

6. The cross arm bracket for the cement pole according to claim 1, characterized in that a plurality of symmetrical mounting holes (501) are arranged on the second metal plate (5), an insulator (6) is arranged below the mounting holes (501), an arc striking rod (601) is fixedly arranged on the insulator (6), and the arc striking rod (601) is made of arc-shaped metal.