CN210316778U

CN210316778U - Extra-high voltage trampable operation and maintenance composite insulating cross arm

Info

Publication number: CN210316778U
Application number: CN201921194913.6U
Authority: CN
Inventors: 钱铭硕
Original assignee: Xu Yang Electric Appliance Co Ltd
Current assignee: Xu Yang Electric Appliance Co Ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-04-14
Anticipated expiration: 2029-07-27

Abstract

The utility model discloses an extra-high voltage trampable operation and maintenance composite insulating cross arm, which comprises an insulating tube, wherein a composite material core body is fixedly sleeved in the insulating tube, and the right end of the composite material core body is connected with a fixed hardware fitting; can trample the holding surface contact of sleeve and transport means, make semi-manufactured goods gravity give the holding surface of transport means through trampling the sleeve transmission, semi-manufactured goods can not grind down half full skirt under the effect of self gravity, half full skirt has obtained good protection down, can not damage under the effect of semi-manufactured goods gravity, and then make the silicon rubber full skirt can not damage in the transportation, conveniently transport, and simultaneously, dismounting device is connected with the detachable mode with positioner, make things convenient for electric power workman to dismantle dismounting device in the operation maintenance work in later stage, make electric power workman can stand and to maintain the operation at the top that can trample the sleeve, the degree of difficulty of later stage operation maintenance work has been reduced, the utility model discloses this extra-high voltage can trample operation dimension composite insulation cross arm has been improved.

Description

Extra-high voltage trampable operation and maintenance composite insulating cross arm

Technical Field

The utility model relates to a compound insulation cross arm field, more specifically say, relate to extra-high voltage can trample fortune dimension compound insulation cross arm.

Background

The cross arm is an important component in a tower, and is used for mounting insulators and hardware fittings to support a conducting wire and a lightning conductor and keep a certain safety distance according to regulations, and can be divided into an iron cross arm, a ceramic cross arm and a composite insulating cross arm according to different manufacturing materials, wherein the composite insulating cross arm is an insulating part, so that the effects of dirt resistance and lightning breakdown prevention are outstanding, the mechanical property is excellent, when the composite material cross arm is adopted, a suspension insulator string is not adopted between the cross arm and the conducting wire, the windage yaw discharge fault of a tower head can be reduced, the tower head is not easily cracked and damaged like the ceramic insulating cross arm, the corridor width and the tower height are reduced, and the safe and reliable operation of a power transmission network cable is guaranteed.

The existing composite insulating cross arm consists of a composite material core, a silicon rubber sheath, a silicon rubber umbrella skirt, a wiring hardware fitting and a fixing hardware fitting, wherein the wiring hardware fitting and the fixing hardware fitting are respectively fixed at two ends of the composite material core body, the silicon rubber sheath is fixedly sleeved outside the composite material core body, the silicon rubber umbrella skirt is fixedly sleeved outside the silicon rubber sheath, however, in the actual use process, because the silicon rubber is a soft material and has the characteristic of being non-trampling, the existing composite insulating cross arm is easy to crush the umbrella skirt of the silicon rubber on the composite insulating cross arm under the action of self gravity in the transportation process, has higher damage rate in the transportation process and is inconvenient to transport, and the electric power workman can not trample compound insulating cross arm in the operation maintenance work in later stage, has increased the degree of difficulty of later stage operation maintenance work, consequently need to design an extra-high voltage can trample operation and maintenance compound insulating cross arm urgently.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems that the prior composite insulating cross arm in the prior art is composed of a composite material core, a silicon rubber sheath, a silicon rubber shed, a wiring fitting and a fixing fitting, wherein the wiring fitting and the fixing fitting are respectively fixed at two ends of the composite material core, the silicon rubber sheath is fixedly sleeved outside the composite material core, and the silicon rubber shed is fixedly sleeved outside the silicon rubber sheath, however, in the actual use process, as the silicon rubber is a soft material and has the characteristic of being not trampable, the prior composite insulating cross arm is easy to crush the silicon rubber shed on the prior composite insulating cross arm under the action of self gravity in the transportation process, the damage rate in the transportation process is higher, the transportation is inconvenient, and an electric power worker cannot trample the composite insulating cross arm in the later operation maintenance work, thereby increasing the difficulty of the later operation maintenance work, the utility model aims to provide the ultra-high voltage trampable operation and maintenance composite insulating cross arm, it can solve the problems in the background art well.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The extra-high voltage trampable operation and maintenance composite insulating cross arm comprises an insulating tube, wherein a composite material core is fixedly sleeved in the insulating tube, the right end of the composite material core is connected with a fixed hardware fitting, the left end of the composite material core is connected with a wiring hardware fitting, and a silicon rubber umbrella skirt is arranged outside the composite material core.

Preferably, the silicon rubber umbrella skirt comprises a positioning device, the positioning device is fixedly sleeved outside the composite material core body, the positioning device is located on the bottom surface of the composite material core body, and a dismounting device is arranged at the top of the positioning device.

Preferably, positioner can trample the fixed cup of sleeve and connect in the outside of combined material core including trampling the sleeve, can trample telescopic outside fixed joint and have lower half full skirt, and lower half full skirt is located and tramples telescopic bottom surface, and the inserting groove has been seted up to the top surface of lower half full skirt, and the joint hole has been seted up to the inner wall of inserting groove.

Preferably, the dismounting device comprises an upper umbrella skirt, the upper umbrella skirt is movably connected with the outside of the trampling sleeve in a clamped mode, a sliding groove is formed in the side face of the upper umbrella skirt, a track strip is arranged on the inner wall of the sliding groove, a silicon rubber sliding block is inserted in the inner portion of the sliding groove in a plugged mode, a track groove is formed in the side face of the silicon rubber sliding block and is connected with the track strip in a sliding mode, anti-skidding lines are arranged on the surface of the silicon rubber sliding block, a threading hole communicated with the sliding groove is formed in the end face of the upper umbrella skirt, a traction line is inserted in the inner portion of the threading hole in a penetrated mode, one end of the traction line is connected with the.

Preferably, the clamping device includes the flat pipe of joint, the flat pipe of joint and the end-face connection of first full skirt, the flat bottom of pipe of joint can be pegged graft with the inserting groove activity, the bottom surface of the flat intraductal chamber of joint is connected with the joint shell fragment, the lateral surface of joint shell fragment is connected with the joint post that is located its tip, the other end of joint post extends to the flat outside of pipe of joint and can peg graft with joint hole activity, be connected with the rope that meets an emergency between the both ends of joint shell fragment, the middle part of the rope that meets an emergency is connected with the one.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the silicon rubber umbrella skirt is composed of the positioning device and the dismounting device, so that the composite insulating cross arm can be composed of an insulating tube, a composite material core, a fixing hardware fitting, a wiring hardware fitting and the positioning device to form a semi-finished product, the semi-finished product and the dismounting device are separated and then transported, the dismounting device is independently stacked together and cannot be damaged in the transportation process, meanwhile, the sleeve can be treaded to be in contact with the supporting surface of a transport tool, the gravity of the semi-finished product is transmitted to the supporting surface of the transport tool through the treadable sleeve, the semi-finished product cannot be rolled down by the action of the self gravity, the lower half umbrella skirt is well protected, the lower half umbrella skirt cannot be damaged by the action of the gravity of the semi-finished product, the silicon rubber umbrella skirt cannot be damaged in the transportation process, the transportation is convenient, meanwhile, the dismounting device is detachably connected with the positioning device, and the dismounting device can be conveniently dismounted by an electric power worker in the later operation, make the electric power workman can stand and can trample telescopic top and maintain the operation, reduced the degree of difficulty of later stage operation maintenance work, improved this extra-high voltage can trample fortune dimension composite insulation cross arm's utility model.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

fig. 4 is a schematic diagram of the internal structure of fig. 2 according to the present invention;

FIG. 5 is a schematic diagram of the internal structure of the positioning device of FIG. 2 according to the present invention;

FIG. 6 is a schematic view of the internal structure of the detaching device in FIG. 2 according to the present invention;

fig. 7 is an enlarged schematic view of the structure at C in fig. 6 according to the present invention;

fig. 8 is a left side view of fig. 7 in accordance with the present invention;

FIG. 9 is a schematic view of the internal structure of the latch device of FIG. 6 according to the present invention; .

The reference numbers in the figures illustrate:

1. an insulating tube; 2. a composite core; 3. fixing a hardware fitting; 4. a wiring hardware fitting; 5. a silicon rubber umbrella skirt; 6. a positioning device; 61. the sleeve can be stepped; 62. a lower half umbrella skirt; 63. inserting grooves; 64. a clamping hole; 7. disassembling the device; 71. an upper half umbrella skirt; 72. a chute; 73. a track bar; 74. a silicon rubber slider; 75. a track groove; 76. anti-skid lines; 77. threading holes; 78. a pull wire; 8. a clamping device; 81. clamping the flat pipe; 82. clamping the elastic sheet; 83. a clamping column; 84. a strain cable.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-9, the extra-high voltage trampable operation and maintenance composite insulating cross arm comprises an insulating tube 1, a composite material core 2 is fixedly sleeved inside the insulating tube 1, a fixing hardware fitting 3 is connected to the right end of the composite material core 2, a wiring hardware fitting 4 is connected to the left end of the composite material core 2, and a silicon rubber umbrella skirt 5 is arranged outside the composite material core 2.

The silicon rubber umbrella skirt 5 comprises a positioning device 6, the positioning device 6 is fixedly sleeved outside the composite material core body 2, the positioning device 6 is located on the bottom surface of the composite material core body 2, and a dismounting device 7 is arranged at the top of the positioning device 6.

The positioning device 6 comprises a treadable sleeve 61, the treadable sleeve 61 is fixedly sleeved outside the composite material core body 2, a lower umbrella skirt 62 is fixedly clamped outside the treadable sleeve 61, the lower umbrella skirt 62 is positioned on the bottom surface of the treadable sleeve 61, an insertion groove 63 is formed in the top surface of the lower umbrella skirt 62, and a clamping hole 64 is formed in the inner wall of the insertion groove 63.

The dismounting device 7 comprises an upper umbrella skirt 71, the upper umbrella skirt 71 is movably clamped outside the treadable sleeve 61, a sliding groove 72 is formed in the side face of the upper umbrella skirt 71, a track strip 73 is arranged on the inner wall of the sliding groove 72, a silicon rubber slider 74 is movably inserted in the sliding groove 72, a track groove 75 is formed in the side face of the silicon rubber slider 74, the track groove 75 is slidably clamped with the track strip 73, anti-slip patterns 76 are formed in the surface of the silicon rubber slider 74, a threading hole 77 communicated with the sliding groove 72 is formed in the end face of the upper umbrella skirt 71, a traction wire 78 is movably inserted in the threading hole 77, one end of the traction wire 78 is connected with the end portion of the silicon rubber slider 74, and a clamping device 8 is arranged on the end face of the upper umbrella skirt 71.

The clamping device 8 comprises a clamping flat pipe 81, the clamping flat pipe 81 is connected with the end face of the upper half umbrella skirt 71, the bottom end of the clamping flat pipe 81 can be movably inserted into the insertion groove 63, a clamping elastic sheet 82 is connected to the bottom surface of an inner cavity of the clamping flat pipe 81, a clamping column 83 located at the end portion of the clamping elastic sheet 82 is connected to the outer side face of the clamping elastic sheet 82, the other end of the clamping column 83 extends to the outside of the clamping flat pipe 81 and can be movably inserted into the clamping hole 64, a strain rope 84 is connected between the two ends of the clamping elastic sheet 82, and the middle of the strain rope 84 is connected.

The working principle is as follows:

firstly, a semi-finished product consisting of an insulating tube 1, a composite material core 2, a fixed fitting 3, a wiring fitting 4 and a positioning device 6 is orderly stacked inside a transport tool in a single-layer storage mode, when the semi-finished product is stacked, the top of a trampable sleeve 61 is in contact with a supporting surface, so that the gravity of the semi-finished product is transferred to the supporting surface of the transport tool through the trampable sleeve 61, the semi-finished product cannot roll down a semi-umbrella skirt 62 under the action of self gravity, the lower semi-umbrella skirt 62 is well protected, the lower semi-umbrella skirt 62 cannot be damaged under the action of the gravity of the semi-finished product, then the dismounting device 7 is orderly stacked in an independent wooden box to protect the dismounting device 7, the dismounting device 7 cannot be damaged, and further the silicon rubber umbrella skirt 5 cannot be damaged in the transport process, the transport is convenient, then the semi-finished product and the wooden box provided with the dismounting device 7 are respectively transported to an installation site, then, the semi-finished product is fixed on a tower through a fixing hardware fitting 3, then, a wiring hardware fitting 4 is connected with a circuit, then, a dismounting device 7 is taken out, a silicon rubber sliding block 74 is pulled outwards, the silicon rubber sliding block 74 pulls a pulling wire 78, the pulling wire 78 pulls a strain rope 84, the strain rope 84 bends upwards to deform and pulls two ends of a clamping elastic sheet 82, two ends of the clamping elastic sheet 82 are close to each other, the end part of the clamping elastic sheet 82 drives a clamping column 83 to move towards the inside of a clamping flat tube 81 until the end part of the clamping column 83 is not exposed outside the clamping flat tube 81, then, the bottom end of the clamping flat tube 81 is inserted into an insertion groove 63 until the end surface of an upper half umbrella skirt 71 is contacted with the end surface of a lower half umbrella skirt 62, at the moment, the end part of the clamping column 83 is aligned with an opening of a clamping hole 64, then, the silicon rubber sliding block 74 is released, the, fix flat pipe 81 of joint and lower half full skirt 62 together, and then fix first full skirt 71 and lower half full skirt 62 together, accomplish the installation of this extra-high voltage can trample fortune dimension compound insulation cross arm, when the operation is maintained in the later stage, tractive silicon rubber slider 74, part flat pipe 81 of joint and lower half full skirt 62, and then part first full skirt 71 and lower half full skirt 62, then take off dismounting device 7, the electric power workman stands at the top of lower half full skirt 62 and maintains the operation, the degree of difficulty of later stage operation maintenance work has been reduced, the utility model discloses this extra-high voltage can trample fortune dimension compound insulation cross arm has been improved.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The operation and maintenance composite insulation cross arm can be trampled to extra-high voltage, including insulating tube (1), its characterized in that: the insulation pipe is characterized in that a composite material core (2) is fixedly sleeved inside the insulation pipe (1), the right end of the composite material core (2) is connected with a fixing fitting (3), the left end of the composite material core (2) is connected with a wiring fitting (4), and a silicon rubber umbrella skirt (5) is arranged outside the composite material core (2).

2. The extra-high voltage trampable operation and maintenance composite insulating cross arm of claim 1, characterized in that: the silicon rubber umbrella skirt (5) comprises a positioning device (6), the positioning device (6) is fixedly sleeved outside the composite material core body (2), the positioning device (6) is located on the bottom surface of the composite material core body (2), and a dismounting device (7) is arranged at the top of the positioning device (6).

3. The extra-high voltage trampable operation and maintenance composite insulating cross arm of claim 2, characterized in that: positioner (6) can trample sleeve (61) including trampling, can trample sleeve (61) and fix the outside of cup jointing at combined material core (2), and the external fixation joint that can trample sleeve (61) has lower half full skirt (62), and lower half full skirt (62) are located the bottom surface that can trample sleeve (61), and inserting groove (63) have been seted up to the top surface of lower half full skirt (62), and joint hole (64) have been seted up to the inner wall of inserting groove (63).

4. The extra-high voltage trampable operation and maintenance composite insulating cross arm of claim 2, characterized in that: dismounting device (7) include first umbrella skirt (71), first umbrella skirt (71) activity joint is in the outside that can trample sleeve (61), spout (72) have been seted up to the side of first umbrella skirt (71), the inner wall of spout (72) is equipped with track strip (73), the inside activity grafting of spout (72) has silicon rubber slider (74), track groove (75) have been seted up to the side of silicon rubber slider (74), track groove (75) and track strip (73) slip joint, be equipped with on the surface of silicon rubber slider (74) antiskid line (76), threading hole (77) with spout (72) intercommunication have been seted up on the terminal surface of first umbrella skirt (71), the inside activity interlude of threading hole (77) has pull wire (78), the one end of pull wire (78) and the end connection of silicon rubber slider (74), be equipped with latch device (8) on the terminal surface of first umbrella skirt (71).

5. The extra-high voltage trampable operation and maintenance composite insulating cross arm of claim 4, characterized in that: clamping device (8) are including the flat pipe of joint (81), the flat pipe of joint (81) is connected with the terminal surface of first umbrella skirt (71), the bottom of the flat pipe of joint (81) can be pegged graft with inserting groove (63) activity, the bottom surface of the flat pipe of joint (81) inner chamber is connected with joint shell fragment (82), the lateral surface of joint shell fragment (82) is connected with joint post (83) that are located its tip, the other end of joint post (83) extends to the outside of the flat pipe of joint (81) and can be pegged graft with joint hole (64) activity, be connected with between the both ends of joint shell fragment (82) and meet an emergency rope (84), the middle part and the one end of haulage line (78) of meeting an emergency rope (84).