CN104009418B - Bare conductor insulation shading tool and tool group - Google Patents

Abstract

The invention discloses a bare wire insulation shielding tool and a tool set. The bare wire insulation shielding tool includes an insulation shield, an insulation bracket and an insulation tube; one side of the insulation shield is provided with at least one connecting piece; the insulation The bracket includes a bracket rod, a positioning plate and a fixed block, the fixed block is fixed on the positioning plate and connected to one end of the bracket rod, and the positioning plate is provided with a positioning column that fits with the connecting piece, The insulating shield is detachably fixed on the insulating support; one end of the insulating tube is rotatably connected to the other end of the support rod. The bare wire insulation shielding tool of the present invention covers the bare wire and the insulator with the insulating shield, effectively preventing the metal wires and other easily conductive substances mixed in the bird's nest material from falling on the bare wire and causing electric shock accidents , so that the operator can safely remove the bird's nest on the straight pole tower without power failure on the overhead pole tower composed of bare wires.

Description

Bare wire insulation shielding tools and tool sets

technical field

The invention relates to an insulation shielding tool, in particular to an insulation shielding tool and a tool set for shielding adjacent insulators and bare wires when dismantling a bird's nest.

Background technique

When dismantling the straight line pole tower bird's nest operation of the overhead line that 10 kV exposed wires are formed, because there is no special tool, the operator generally operates with bare hands or with iron hooks. When removing by hand, the thorny branches and metal wires in the bird's nest are easy to prick your hands; when using iron hooks, the metal wire in the bird's nest will often fall on the wire, causing the line to trip or ground.

In the prior art, when metal wires are found in the bird's nest, it is often considered that the removal of the bird's nest may cause dangers such as line failure and personal safety, and the removal of the bird's nest is often implemented after a power failure; Carry out on-site investigation, if it is considered that the live working method can be used for demolition, the live working method is used for demolition; otherwise, the bird's nest is still removed after power failure.

If a bare wire insulation protection shielding tool is developed (an auxiliary tool for removing the bird's nest material of a straight line (load bearing) pole tower when the overhead line composed of bare wires is charged), the operator can use this tool to achieve direct contact without manual contact. The bird's nest material is removed by means of overhead lines to prevent workers from being shocked by electric shocks and improve the safety and sense of security of workers.

Contents of the invention

The problem to be solved by the present invention is to provide a bare wire insulation and shielding tool for shielding adjacent bare wires when the bird's nest operation is carried out on the straight pole tower of the overhead bare wire, so as to prevent the metal in the bird's nest Material falling onto bare wires caused workers to be electrocuted.

In order to solve the above problems, the present invention provides a bare wire insulation shielding tool, which is used to shield adjacent insulators and bare wires when removing the bird's nest on the straight pole tower, including an insulating shield, an insulating support and an insulating tube;

The insulating shield is used to cover the bare wire along the length direction of the bare wire, and at least one connecting piece is arranged on one side thereof;

The insulating support includes a support rod, a positioning plate and a fixing block, the fixing block is fixed on the positioning plate and connected to one end of the support rod, and the positioning plate is provided with a socket that fits with the connecting piece. a positioning column, so that the insulating shield is detachably fixed on the insulating support;

One end of the insulating tube is rotatably connected to the other end of the support rod so that the insulating support rotates and separates from the insulating support when the insulating shield is placed on the bare wire.

Preferably, the cross-sectional shape of the insulating shield is U-shaped, and a balance body is provided across the middle of the insulating shield to increase the balance stability of the insulating shield, and the inner surface of the balance is in contact with the The outer surface of the insulating cover is correspondingly fitted, and the external structure of the balance body is axially symmetrical to the insulating cover; one side of the balance body is connected with an insulating plate perpendicular to the plane where the U-shaped open end is located, and the connecting piece It is arranged on a side of the insulating plate that is not connected with the balance body, and the connecting piece includes an upper fixing plate and a lower fixing plate opposite to each other on the insulating plate, and the upper fixing plate and the lower fixing plate are both Parallel to the plane where the U-shaped opening end is located, the upper fixing plate and the lower fixing plate are correspondingly provided with through holes, and the through holes are vertically connected with the through holes for cooperating with the positioning column. Socket fixing sleeve.

Preferably, the positioning plate is T-shaped, including a horizontal part and a vertical part, the positioning columns are three and are respectively arranged at both ends of the horizontal part and the free end of the vertical part, and the fixed block is provided Located in the middle of the horizontal part and between the two positioning columns on the horizontal part, the fixed block has a slot for mating with one end of the support rod, and the side wall of the fixed block is provided with a There is a perforation, one end of the support rod is provided with a mounting hole, and one end of the support rod extends into the slot, and the perforation and the mounting hole are used to fix the support rod on the fixed block The fixed column inside, the perforation is parallel to the length direction of the horizontal part of the positioning plate.

Preferably, it also includes an insulating attachment plate for increasing the balance of the insulating shield, the insulating attachment plate is connected with the insulating plate to form an L shape, the insulating attachment plate and the connecting piece are located at the edge of the insulating plate same side.

Preferably, the insulating tube is rotationally connected to the support rod through a joint buckle, and the joint buckle includes a clamping plate provided at the other end of the supporting support rod and a joint provided at one end of the insulating tube, The end of the joint that is not connected to the insulating tube extends toward the direction of the insulating shield to form two opposite lugs, and a mounting groove is formed between the two lugs, and the mounting groove extends into the joint to The clamping plate is extended into the joint through the installation groove, and the inside of the joint is also provided with an accommodating groove communicating with the installation groove, and a first spring and a shift block are housed in the accommodating groove. One end of the shifting block is connected to the first spring, and the other end extends into the installation groove. At least one side of the clamping plate is arc-shaped, and one side of the clamping plate is arc-shaped and extends into the installation groove. Inside, and the part corresponding to the lug is hinged by a pin shaft, and the arc-shaped side of the clamping plate has a plurality of concave parts, and the clamping plate and the bracket rod rotate relative to the joint. The concave part cooperates with the other end of the shifting block to fix the position of the insulating shield relative to the insulating tube.

Preferably, the shifting block includes a cylindrical body and a fixing plate connected to one end of the body, the other end of the body is a ball end, and the concave part is an arc-shaped notch matched with the ball end, One end of the first spring abuts against the fixing plate.

Preferably, the insulating tube and the support rod pass through a first clip provided at the other end of the support rod and a second clip provided at one end of the insulating tube for matching with the first clip. The joints are connected in rotation; the first joint is in the shape of a disk, and a plurality of first bumps in the shape of square prisms are evenly arranged on the disk surface along the circumference, and the second joint The piece is also disc-shaped, and a plurality of quadrangular column-shaped second protrusions are evenly arranged on the disc-shaped disc surface at intervals along the circumference, and the first protrusions are clamped on two adjacent second protrusions. between the two adjacent first bumps, the second bump is clamped between two adjacent first bumps, so that the first clamping piece and the second clamping piece are clamped; the bare wire insulation shielding tool It also includes a rotating connection pin provided with external threads, a first threaded through hole is opened on the first clamping part, a second threaded through hole is opened on the second clamping part, and the rotating connecting pin passes through the the first threaded through hole and the second threaded through hole, and are threadedly connected with the first threaded through hole and the second threaded through hole, and the first clip is provided with a The through hole extends to the first opening on the outer edge of the first clamping piece, and the second clamping piece is provided with a first opening extending from the second threaded through hole to the outer edge of the second clamping piece. Two mouths.

Preferably, the insulating tube and the support rod pass through a first clip provided at the other end of the support rod and a second clip provided at one end of the insulating tube for matching with the first clip. The connectors are connected by rotation; the first clamping member is disc-shaped, and a plurality of sockets are evenly arranged on the disc-shaped disc surface along the circumference, and the second clamping member is also disc-shaped. , a plurality of cylindrical pins are evenly arranged along the circumference of the disc-shaped disk surface, and the cylindrical pins are used to be inserted into the socket to realize the clamping connection between the first clamping part and the second clamping part; The bare wire insulation shielding tool also includes a rotating connection pin provided with an external thread, a first threaded through hole is opened on the first clamping piece, a second threaded through hole is opened on the second clamping piece, The rotating connection pin passes through the first threaded through hole and the second threaded through hole, and is threadedly connected with the first threaded through hole and the second threaded through hole, and the first clamping member is provided with There is a first opening extending from the first threaded through hole to the outer edge of the first clamping piece, and the second clamping piece has a first opening extending from the second threaded through hole to the second clamping piece The second opening on the outer edge of the connector.

As a preference, the other end of the support rod is provided with a first through hole, and one end of the insulating tube is provided with a second through hole, and a rotating member is pierced in the first through hole and the second through hole so that the The insulating tube and the support rod are rotatably connected together; the rotating member includes a lock and a lock hook for matching with the lock and locking together, and the inner wall of the first through hole along the circumference A tooth is provided, and the lock is provided with a triangular prism for matching with the tooth so that the lock and the bracket rod do not rotate relative to each other, and the insulating tube is provided with a triangular prism for cooperating with the three The prism fits with the slot that prevents the lock and the insulating tube from rotating relative to each other; the insulating tube includes a first connecting portion and a second connecting portion opposite to each other, and the connection between the first connecting portion and the second connecting portion The distance between them is suitable for accommodating the other end of the support rod, the second through hole passes through the first connecting part and the second connecting part, and the slot is arranged on the On the inner wall of the second through hole, an annular protrusion is arranged on the inner wall of the second through hole of the second connecting part, and the locking hook includes a base and a lock extending from the base A return spring is sheathed on the lock bar, one end of the return spring abuts against the protrusion, and the other end of the return spring abuts against the base of the locking hook.

The invention also discloses a bare wire insulation and shielding tool set, which includes at least two bare wire insulation and shielding tools. One end of the insulation shield is provided with a U-shaped convex plate, and the distance between the U-shaped convex plate and the insulation shield is A slot is formed; the other end of the insulating shield is provided with a plugboard protruding outward along the length direction of the insulating shield for matching with the slot, and two adjacent bare wire insulation shielding tools The plug-in board is plugged into the slot so that a plurality of the bare wire insulation shielding tools are sequentially connected.

The beneficial effect of the bare wire insulation and shielding tool of the present invention is that since the insulation shield is set on the bare wire and the insulator, it is effectively prevented that the metal wires mixed in the bird's nest material and other easily conductive substances fall on the bare wire and cause damage. Cause the generation of electric shock accident, make the operator can safely dismantle the bird's nest on the straight line (bearing) pole tower under the situation that the overhead power pole tower that is made up of bare wire does not lose power.

Description of drawings

Fig. 1 is a structural schematic diagram of the bare wire insulation shielding tool of the present invention.

Fig. 2 is a structural schematic diagram of the bare wire insulation shielding tool of the present invention after the insulation shield is combined with the insulation support.

Fig. 3 is a structural schematic diagram of the insulation shield and the connector of the bare wire insulation shielding tool of the present invention.

Fig. 4 is a structural schematic diagram of the positioning plate and the fixing block of the bare wire insulation shielding tool of the present invention.

Fig. 5 is a structural schematic diagram of the insulating shield and the connector of the bare wire insulation shielding tool set of the present invention.

Fig. 6 is a structural schematic diagram of the bare wire insulation shielding tool of the present invention after the insulating tube is connected to the live joint.

Fig. 7 is a front view of the live joint of Embodiment 1 of the bare wire insulation shielding tool of the present invention.

Fig. 8 is a side view of the live joint of Embodiment 1 of the bare wire insulation shielding tool of the present invention.

Fig. 9 is a structural schematic diagram of the first embodiment of the bare wire insulation and shielding tool of the present invention after the joint is connected to the clamping board.

Fig. 10 is a schematic structural view of the shifting block of the bare wire insulation shielding tool of the present invention.

Fig. 11 is a structural schematic diagram of the second embodiment of the bare wire insulation and shielding tool of the present invention after the first clip is connected to the support rod.

Fig. 12 is a schematic diagram of an exploded state of the first clamping piece, the second clamping piece and the rotating connection pin of the second embodiment of the bare wire insulation shielding tool of the present invention.

Fig. 13 is an exploded schematic view of the connection structure of the connecting piece, the support rod and the insulating tube of the third embodiment of the bare wire insulation shielding tool of the present invention.

Fig. 14 is a side view of one end of the support rod used to connect with the insulating tube in Embodiment 3 of the bare wire insulation shielding tool of the present invention.

Fig. 15 is a left side view of one end of the insulating tube of Embodiment 3 of the bare wire insulation shielding tool of the present invention.

Fig. 16 is a right side view of one end of the insulating tube of Embodiment 3 of the bare wire insulation shielding tool of the present invention.

Fig. 17 is a side view of the buckle of Embodiment 3 of the bare wire insulation shielding tool of the present invention.

Fig. 18 is a side view of the locking hook of Embodiment 3 of the bare wire insulation shielding tool of the present invention.

Reference signs:

1-insulation shield; 2-insulation tube; 3-insulation plate; 4-connector; 5-support rod; 6-positioning plate; 7-fixing block; 8-positioning column; 9-balance body; plate; 11-lower fixed plate; 12-fixed sleeve; 13-U-shaped convex plate; 14-insert plate; Clamping plate; 20-lug; 21-installation groove; 22-accommodating groove; 23-spring; 24-shift block; 25-recess; 26-fixed plate; 27-body; - the first threaded through hole; 30 - the first bump; 31 - the second bump; 32 - the second clip; 33 - the second threaded hole; 34 - the first opening; 35 - the rotating connection pin; 36 - first through hole; 37 - second through hole; 38 - lock; 39 - lock hook; 40 - teeth; 41 - triangular prism; 42 - slot; 43 - first base; 44 - lock bar; 45-locking piece; 46-hook; 47-lock column; 48-annular groove; 49-accommodating hole; 50-limiting hole; 51-third through hole; 52-wedge; 53-second base; 54-cylinder; 55-protruding part; 56-return spring; 57-first connecting part; 58-second connecting part;

detailed description

The bare wire insulation shielding tool and tool set of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, the embodiment of the present invention discloses a kind of bare wire insulation shielding tool, is used for shielding adjacent insulator and bare wire when removing the bird's nest on the straight pole tower, and it comprises insulating shield 1, insulating support and insulating tube 2;

The insulating shield 1 is used to cover the bare wire along the length direction of the bare wire, and at least one connector 4 is arranged on one side thereof;

The insulating support includes a support rod 5, a positioning plate 6 and a fixed block 7. The fixed block 7 is fixed on the positioning plate 6 and connected with one end of the support rod 5. The positioning plate 6 is provided with a positioning column 8 that is socketed with the connector 4. so that the insulating shield 1 can be detachably fixed on the insulating support;

One end of the insulating tube 2 is rotatably connected with the other end of the support rod 5 so that the insulating support rotates and disengages from the insulating support when the insulating shield 1 is placed on the bare wire.

Further, as shown in Fig. 2 and Fig. 3, the cross-sectional shape of the insulating shield 1 is U-shaped, and a balance body 9 for increasing the balance firmness of the insulating shield 1 is provided on the outside of it. Of course, the balance Multiple bodies 9 can also be arranged along the length direction of the insulating shield 1 , specifically, the inner surface of the balancing body 9 is attached to the outer surface of the insulating shield 1 correspondingly, and its external structure is axially symmetrical with respect to the insulating shield 1 . As shown in Figure 1, the balance body 9 in this embodiment is similar to the shape of an "earphone". Not unique, also can be cube shape etc.; This balance body 9 one side (conical structure) is connected with the insulating plate 3 that is perpendicular to its U-shaped open end place plane, and above-mentioned connector 4 is located at insulating plate 3 and balance body 9 On one side of the connection, the connector 4 includes an upper fixed plate 10 and a lower fixed plate 11 arranged on the insulating plate 3, the upper fixed plate 10 and the lower fixed plate 11 are parallel to the plane where the U-shaped open end is located, Specifically as shown in FIG. 3 , the upper fixing plate 10 and the lower fixing plate 11 are provided with corresponding through holes, and the through holes are vertically connected with fixing sleeves 12 for cooperating with the positioning columns 8 . The two ends of the fixing sleeve 12 are respectively preferably flush with the side faces away from the upper fixing plate 10 and the lower fixing plate 11 .

As shown in Figure 4, the positioning plate 6 is T-shaped, including a horizontal portion and a vertical portion, and there are three positioning columns 8 which are respectively arranged at the two ends of the horizontal portion and the free ends of the vertical portion, and the fixed block 7 is fixed on the In the middle of the horizontal part and between the two positioning columns 8 on the horizontal part, the fixed block 7 has a first slot 17 that is mated with one end of the support rod 5, and the side wall of the fixed block 7 is provided with a perforation 16 , the perforation 16 is parallel to the length direction of the horizontal part of the positioning plate 6, and one end of the support rod 5 is provided with a mounting hole. The fixing column 18 is pierced to fix the support rod 5 in the fixing block 7 .

Continuing in conjunction with Fig. 2 and Fig. 3, the bare wire insulation shielding tool in this embodiment also includes an insulating attachment plate 15 for increasing the balance of the insulation shield, the insulating attachment plate 15 is connected with the insulating plate 3 and forms an L shape, and The insulating subplate 15 is located on the same side of the insulating plate 3 as the connector 4 .

The rotational connection between the insulating tube 2 and the support rod 5 can be realized in multiple ways, and specific examples are as follows:

Embodiment one:

As shown in Fig. 6-10, the insulating tube 2 and the support rod 5 are rotationally connected through a hinged buckle, which includes a clasp 19 at the other end of the support rod 5 and a joint 59 at one end of the insulating tube 2, One end of the joint 59 that is not connected to the insulating tube 2 extends toward the direction of the insulating shield 1 to form two opposite lugs 20, and a mounting groove 21 is formed between the two lugs 20, and the mounting groove 21 extends into the joint so that the clamping plate 19 extends into the movable joint 59 through the installation groove 21, and the inside of the movable joint 59 is also provided with an accommodating groove 22 communicated with the installation groove 21. The accommodating groove 22 houses a spring 23 and a shifting block 24, and one end of the shifting block 24 is connected to the The spring 23 is connected, and the other end extends into the installation groove 21. At least one side of the clamp plate 19 is arc-shaped, and its arc-shaped side extends into the installation groove 21 and the part corresponding to the lug 20 is hinged by a pin , wherein the arc-shaped side of the clamping plate 19 has a plurality of recesses 25, when the clamping plate 19 and the support rod 5 are rotated relative to the joint 59, the recesses 25 are engaged with the other end of the shifting block 24 to fix the insulating shield 1 1. The position of the insulating bracket relative to the insulating tube 2 . That is, adjust and fix the relative position of the support rod 5 and the insulating tube 2 as required, so that the insulating shield 1 can be smoothly and firmly covered on the bare wire or insulator, and then the insulating tube 2 is pushed toward the support rod 5. And rotate to make the plurality of recesses 25 of the clamping plate 19 slide through the other end of the shifting block 24 in turn until the above-mentioned positioning column 8 is separated from the fixing sleeve 12, that is, the insulating shield 1 is separated from the insulating support.

As shown in Figure 10, the shifting block 24 in this embodiment includes a cylindrical body 27 and a fixed plate 26 connected to one end of the body 27, the other end of the body 27 is a ball end, and the above-mentioned concave portion 25 is connected to the ball end. With the matching arc-shaped notch, the spring 23 is connected to the shifting block 24 by abutting against one side of the fixed plate 26 at one end, and the fixed plate 26 plays a role in preventing the spring 23 from jumping.

Embodiment two:

As shown in Figures 11-12, the insulating tube 2 and the support rod 5 pass through the first clamping piece 28 provided at the other end of the support rod 5 and the first clamping piece 28 provided at one end of the insulating tube 2 to cooperate with the first clamping piece 28. The second clamping member 32 realizes rotational connection; the first clamping member 28 is disc-shaped, and a plurality of quadrangular prism-shaped first bumps 30 are evenly arranged on the disc-shaped disc surface along the circumference. The clamping member 32 is also disc-shaped, and a plurality of quadrangular prism-shaped second protrusions 31 are evenly arranged on the disc-shaped disc surface along the circumference, and the first protrusions 30 are clamped on two adjacent second protrusions. Between the two protrusions 31, the second protrusion 31 is clamped between two adjacent first protrusions 30, so that the first clamping member 28 and the second clamping member 32 are clamped;

In order to make the connection between the first clamping member 28 and the second clamping member 32 tighter, a rotating connecting pin 35 provided with an external thread can be used, and a first threaded through hole 29 is provided on the first clamping member 28. A second threaded through hole 33 is provided on the second clamping member 32, and the rotation connecting pin 35 passes through the first threaded through hole 29 and the second threaded through hole 33, and is threadedly connected with the first threaded through hole 29 and the second threaded through hole 33 ;

For the convenience of assembly and disassembly, the first clip 28 is also provided with a first opening 34 extending from the first threaded through hole 29 to the outer edge of the first clip 28, and the second clip 32 is provided with a first opening 34 extending from the second threaded through hole 29 to the outer edge of the first clip 28. The hole 33 extends to a second opening on the outer edge of the second engaging member 32 .

Continuing with Figures 11-12, there is an alternative to the second embodiment. Similarly, the other end of the support rod 5 is provided with a first clip 28, and one end of the insulating tube 2 is provided with a fitting for matching with the first clip 28. The second clamping member 32, the first clamping member 28 is disc-shaped, and a plurality of jacks are evenly arranged on the disc-shaped disk surface along the circumference, and the second clamping member 32 is also disc-shaped. A plurality of cylindrical pins are evenly arranged on the disk-shaped disk surface along the circumference, and the cylindrical pins are used to insert into the socket to realize the clamping connection between the first clamping part 28 and the second clamping part 32;

In order to make the connection between the first clip 28 and the second clip 32 more closely, an externally threaded rotary connection pin 35 can be provided, and a first threaded through hole 29 is provided on the first clip 28, and the second A second threaded through hole 33 is provided on the clamping piece 32 , and the rotating connection pin 35 passes through the first threaded through hole 29 and the second threaded through hole 33 , and is threadedly connected with the first threaded through hole 29 and the second threaded through hole 33 ;

To facilitate assembly and disassembly, the first clip 28 is provided with a first opening 34 extending from the first threaded through hole 29 to the outer edge of the first clip 28, and the second clip 32 is provided with a first opening 34 extending from the second threaded through hole 29 to the outer edge of the first clip 28. The hole 33 extends to a second opening on the outer edge of the second engaging member 32 .

When assembling the bracket bar 5 and the insulating tube 2, the angle between the bracket bar 5 and the insulating tube 2 can be adjusted first, and then the first clip 28 and the second clip 32 are clipped together, and finally connected by rotation Pin 35 is fixed. In this way, the support rod 5 and the insulating tube 2 can not be in a straight line, that is, the disc-shaped first clamping member 28 and the second clamping member 32 can rotate mutually to adjust the clamping positions of the two, thereby realizing The change of the angle between the support rod 5 and the insulating tube 2 is used to separate the above-mentioned positioning column 8 from the fixing sleeve 12, that is, to separate the insulating shield 1 from the insulating support.

Embodiment three:

As shown in Figures 13-18, the other end of the support rod 5 is provided with a first through hole 36, and one end of the insulating tube 2 is provided with a second through hole 37, and a rotating member is penetrated in the first through hole 36 and the second through hole 37. To connect the insulating tube 2 and the support rod 5 together in rotation; the rotating part includes a lock 38 and a lock hook 39 for matching with the lock 38 and locking together, and the inner wall of the first through hole 36 is along the circumference A tooth portion 40 is provided, and the lock catch 38 is provided with a triangular prism 41 for cooperating with the tooth portion 40 so that the lock catch 38 and the support rod 5 do not rotate relatively. The slot 42 in which the lock catch 38 and the insulating tube 2 do not rotate relative to each other;

The insulating tube 2 includes a first connecting portion 57 and a second connecting portion 58 opposite to each other. The distance between the first connecting portion 57 and the second connecting portion 58 is suitable for accommodating the other end of the support rod 5, and the second through hole 37 passes through the first connecting portion 58. The connecting part 57 and the second connecting part 58, the slot 42 is arranged on the inner wall of the second through hole 37 located in the first connecting part 57, and the inner wall of the second through hole 37 located in the second connecting part 58 is provided with an annular The protruding portion 55 of the locking hook 39 includes a first base 43 and a locking bar 44 extending from the first base 43 . Two elastic locking pieces 45 extend oppositely from the locking bar 44 , and hook portions 46 are provided at free ends of the locking pieces 45 . The lock catch 38 includes a solid second base 53 and a lock post 47 extending from the second base 53. Four triangular prisms 41 are arranged on the lock post 47 near the second base 53 around the circumference of the lock post 47. An annular groove 48 is formed around the circumference of the lock cylinder 47 . An accommodating hole 49 for accommodating the locking hook 39 is opened inside the lock post 47 , and two position-limiting holes 50 leading to the accommodating hole 49 are oppositely opened at the annular groove 48 along a direction perpendicular to the axis E-E. After the locking hook 39 is inserted into the receiving hole 49 , the hook portion 46 extends from the limiting hole 50 to the outside of the locking buckle 38 , thereby locking the locking buckle 38 and the locking hook 39 together. A third through hole 51 is opened in the locking hook 39 , and a wedge 52 for preventing the locking buckle 38 from being separated from the locking hook 39 is arranged in the third through hole 51 . The wedge 52 includes a solid base plate, a solid cylinder 54 extending from the base plate, and one end of the cylinder 54 is tapered. A return spring 56 is sheathed on the locking rod 44 , one end of the return spring 56 abuts against the protrusion 55 , and the other end of the return spring 56 abuts against the second base 53 of the locking hook 39 . The specific assembly can be seen as shown in the figure.

Continuing with Fig. 13, after the insulating tube 2 and the support rod 5 are assembled, the triangular prism 41 of the lock 38 engages with the teeth 40 of the support rod 5, so that the support rod 5 cannot rotate relative to the lock 38, and at the same time the lock 38 The triangular prism 41 cooperates with the slot 42 opened in the second through hole 37 of the insulating tube 2 so that the locking buckle 38 cannot rotate relative to the insulating tube 2 . When the wedge 52 is pressed to make the locking mechanism move along the axis E-E along the pressing direction until the triangular prism 41 of the locking bracket 38 is out of engagement with the tooth portion 40 of the bracket bar 5, the bracket bar 5 can rotate relative to the locking bracket 38, that is, At this time, the positioning column 8 and the fixing sleeve 12 can be separated, that is, the insulating shield 1 and the insulating support can be separated. When the wedge 52 is not pressed, the back-moving spring 56 will cause the snap hook 39 to drive the snap 38 to move, so that the triangular prism 41 of the snap 38 is engaged with the tooth portion 40 of the support bar 5 again, and at this moment, the support bar 5 returns to The state where it cannot rotate relative to the insulating tube 2.

In addition, continuing to refer to FIG. 1 , the insulating tube 2 in this embodiment is divided into two parts, and the two parts are connected by threads.

The embodiment of the present invention also discloses a bare wire insulation shielding tool set, as shown in FIG. The plate 13 is covered outside the insulating shield 1 and forms a second slot with the insulating shield 1, that is, the inner surface of the U-shaped convex plate 13 is higher than the outer surface of the insulating shield 1 to form a space; the insulating shield 1 The other end is provided with a plug board 14 protruding outwards along the length direction of the insulation cover 1 for matching with the above-mentioned second slot, and the plug boards 14 of the two adjacent bare wire insulation shielding tools are connected with the second slot The plugging makes a plurality of bare wire insulation shielding tools (that is, the insulation shield 1) sequentially connected, prolonging the length of the insulation shield 1 to cover longer bare wires.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the present invention.

Claims (9)

1. The bare wire insulation shielding tool is used to shield adjacent insulators and bare wires when removing the bird's nest on the straight pole tower, and is characterized in that it includes an insulating shield, an insulating support and an insulating tube; The insulating shield is used to cover the bare wire along the length direction of the bare wire, and at least one connecting piece is arranged on one side thereof; The insulating support includes a support rod, a positioning plate and a fixing block, the fixing block is fixed on the positioning plate and connected to one end of the support rod, and the positioning plate is provided with a socket that fits with the connecting piece. a positioning column, so that the insulating shield is detachably fixed on the insulating support; One end of the insulating tube is rotatably connected to the other end of the support rod so that when the insulating shield is placed on the bare wire, the insulating support rotates and separates from the insulating support; The cross-sectional shape of the insulating shield is U-shaped, and the middle part of the insulating shield is provided with a balance body for increasing the balance stability of the insulating shield. The inner surface of the balance and the insulating shield The outer surface is correspondingly fitted, and the external structure of the balance body is axially symmetrical with respect to the insulating shield; one side of the balance body is connected to an insulating plate on the plane where the vertical U-shaped opening end is located, and the connecting piece is arranged on the insulating cover. The side of the board that is not connected to the balance body, the connecting piece includes an upper and a lower fixing plate on the insulating board, the upper and lower fixing plates are connected to the U-shaped The plane where the opening end is located is parallel, and the upper fixing plate and the lower fixing plate are correspondingly provided with through holes, and the through holes are vertically connected with fixing sleeves that communicate with the through holes and are used to cooperate with the positioning column. cylinder. 2. The bare wire insulation and shielding tool according to claim 1, wherein the positioning plate is T-shaped, including a horizontal portion and a vertical portion, and the positioning columns are three and are respectively arranged on the horizontal portion The two ends of the vertical part and the free end of the vertical part, the fixed block is arranged at the middle part of the horizontal part and between the two positioning columns on the horizontal part, the fixed block has a Cooperate with the first slot for insertion, the side wall of the fixed block is provided with a perforation, one end of the support rod is provided with a mounting hole, and one end of the support rod extends into the first slot, the A fixing column for fixing the support rod in the fixing block is pierced in the through hole and the installation hole, and the through hole is parallel to the length direction of the horizontal part of the positioning plate. 3. The bare wire insulation shielding tool according to claim 1, further comprising an insulating attachment plate for increasing the balance of the insulating shield, the insulating attachment plate is connected with the insulating plate and forms an L shape, The insulating accessory plate and the connecting piece are located on the same side of the insulating plate. 4. The bare wire insulation and shielding tool according to claim 1, characterized in that, the insulating tube and the support rod are rotationally connected through a hinged buckle, and the hinged buckle includes a The clamping plate and the joint arranged at one end of the insulating tube, the end of the joint not connected with the insulating tube extends toward the direction of the insulating shield to form two opposite lugs, the two lugs An installation groove is formed between them, and the installation groove extends into the union so that the clamping plate extends into the union through the installation groove, and an accommodating groove communicating with the installation groove is also provided inside the union, The accommodating groove houses a first spring and a shifting block, one end of the shifting block is connected to the first spring, and the other end extends into the installation groove, at least one side of the clamping plate is arc-shaped, and the The arc-shaped side of the card board protrudes into the installation groove, and the part corresponding to the lug is hinged by a pin shaft. The arc-shaped side of the card board has a plurality of recesses. When the plate and the support rod rotate relative to the joint, the concave part cooperates with the other end of the shift block to fix the position of the insulating shield relative to the insulating tube. 5. The bare wire insulation shielding tool according to claim 4, wherein the shifting block comprises a cylindrical body and a fixing plate connected to one end of the body, and the other end of the body is a ball end, so The recess is an arc-shaped notch matched with the ball end, and one end of the first spring abuts against the fixing plate. 6. The bare wire insulation shielding tool according to claim 1, characterized in that, the insulating tube and the support rod pass through the first clamping piece provided at the other end of the support rod and the first clip provided at one end of the insulating tube. It is used to realize the rotational connection of the second clamping part matched with the first clamping part; the first clamping part is disc-shaped, and the disc-shaped disk surface is evenly arranged with multiple intervals along the circumference. a quadrangular prism-shaped first bump, the second clamping member is also disc-shaped, and a plurality of quadrangular-prism-shaped second bumps are evenly arranged on the disc-shaped disc surface along the circumference, and the The first protrusion is clamped between two adjacent second protrusions, and the second protrusion is clamped between two adjacent first protrusions, so that the first clamping member and The second clamping piece realizes clamping; the bare wire insulation shielding tool also includes a rotating connection pin provided with an external thread, a first threaded through hole is opened on the first clamping piece, and the second clamping piece A second threaded through hole is opened on the top, and the rotating connecting pin passes through the first threaded through hole and the second threaded through hole, and is threadedly connected with the first threaded through hole and the second threaded through hole , the first clamping member is provided with a first opening extending from the first threaded through hole to the outer edge of the first clamping member, and the second clamping member is provided with a first opening extending from the second screw thread The through hole extends to the second opening on the outer edge of the second clip. 7. The bare wire insulation shielding tool according to claim 1, characterized in that, the insulating tube and the support rod pass through the first clamping piece arranged at the other end of the support rod and the first clip provided at one end of the insulating tube. It is used to realize the rotational connection of the second clamping part matched with the first clamping part; the first clamping part is disc-shaped, and the disc-shaped disk surface is evenly arranged with multiple intervals along the circumference. a socket, the second clamping member is also disc-shaped, and a plurality of cylindrical pins are evenly arranged along the circumference of the disc-shaped disk, and the cylindrical pins are used to be inserted into the socket to realize the Describe the clamping connection between the first clamping piece and the second clamping piece; the bare wire insulation shielding tool also includes a rotating connection pin provided with an external thread, and a first threaded through hole is opened on the first clamping piece, A second threaded through hole is opened on the second clamping member, and the rotation connection pin passes through the first threaded through hole and the second threaded through hole, and is connected with the first threaded through hole and the second threaded through hole. The second threaded through hole is screwed, the first clip is provided with a first opening extending from the first threaded through hole to the outer edge of the first clip, and the second clip is opened There is a second opening extending from the second threaded through hole to the outer edge of the second clip. 8. The bare wire insulation shielding tool according to claim 1, characterized in that, the other end of the support rod is provided with a first through hole, one end of the insulating tube is provided with a second through hole, and the first through hole and the second through hole is pierced with a rotating part to rotatably connect the insulating tube and the support rod together; the rotating part includes a lock and is used to cooperate with the lock and lock together the lock hook, the inner wall of the first through hole is provided with a tooth portion along the circumference, and the lock buckle is provided with a gear for cooperating with the tooth portion so that the lock buckle and the bracket rod do not rotate relative to each other. A triangular prism, the insulating tube is provided with a slot for cooperating with the triangular prism so that the lock and the insulating tube do not rotate relative to each other; the insulating tube includes an opposite first connecting part and a second connecting part part, the distance between the first connecting part and the second connecting part is suitable for accommodating the other end of the support rod, the second through hole passes through the first connecting part and the second connecting part, The slot is disposed on the inner wall of the second through hole located at the first connecting portion, and an annular protrusion is disposed on the inner wall of the second through hole located at the second connecting portion, The snap hook includes a base and a lock bar extending from the base, a return spring is sheathed on the lock bar, one end of the return spring leans against the protrusion, and the return spring The other end rests against the base of the snap hook. 9. A bare wire insulation shielding tool set, characterized in that it includes at least two bare wire insulation shielding tools according to any one of claims 1-8, and one end of the insulation shield is provided with a U-shaped convex plate , a second slot is formed between the U-shaped convex plate and the insulating shield; the other end of the insulating shield is provided with a hole protruding outward along the length direction of the insulating shield for connecting with the second socket. The slots fit the boards, and the boards of two adjacent bare wire insulation and shielding tools are plugged into the second slots so that a plurality of the bare wire insulation and shielding tools are connected in sequence.