CN211719353U

CN211719353U - Insulator chain for overhead line convenient to disassemble and assemble

Info

Publication number: CN211719353U
Application number: CN202020791931.9U
Authority: CN
Inventors: 汪春来; 胡景琼; 唐秀梅
Original assignee: Nanjing Xintang Power Engineering Co ltd
Current assignee: Nanjing Xintang Power Engineering Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-10-20
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses an insulator chain for overhead line convenient to dismouting, it relates to insulator chain's technical field, aim at solving the dismouting to insulator chain among the prior art, the technical problem of change inefficiency, its technical scheme main points include electricity tower horizontal pole and insulator chain, still include the mount pad of installing on electricity tower horizontal pole, respectively with installation piece and the bearing piece that insulator chain both ends link to each other and be used for compressing tightly the arc clamp plate of electric wire, the lateral wall of mount pad is equipped with the mounting groove that supplies the installation piece to insert, the lateral wall of installation piece is equipped with the connecting piece and fixes in the mounting groove, the holding tank that the lateral wall power supply line of bearing piece passes, be equipped with the regulating part that tightly supports arc clamp plate on the electric wire in the holding tank; the insulator string can be conveniently disassembled and assembled without tools when the worker works at high altitude, and the efficiency of replacing the insulator string is effectively improved.

Description

Insulator chain for overhead line convenient to disassemble and assemble

Technical Field

The utility model relates to a technical field of insulator chain, more specifically say, it relates to an insulator chain for overhead line convenient to dismouting.

Background

The insulator string refers to a component which combines two or more insulator elements together and flexibly suspends a lead; the insulator string is provided with a protection device required for fixing and running, and is used for suspending a lead and insulating the lead from a tower and the ground. In actual use, insulator strings on an overhead transmission line are usually exposed to the outside, and are easily stained and damaged under the influence of weather and environment, and the insulation performance of the stained insulator strings is reduced, so that the insulator strings need to be cleaned or replaced.

The existing Chinese patent with the publication number of CN204089117U discloses an insulator string hanging point connecting structure, which comprises an electric tower cross rod and an insulator string hung on the electric tower cross rod, wherein a hanging plate is fixed at the lower end of the electric tower cross rod, the hanging plate is connected with the insulator string through a telescopic assembly, the telescopic assembly comprises an upper connecting pipe and a lower connecting pipe, a telescopic and extensible steel wire rope is arranged in the upper connecting pipe, the lower end of the steel wire rope is fixedly connected in the lower connecting pipe, the upper end of the upper connecting pipe is hinged with the hanging plate, and the lower connecting pipe is hinged with the insulator string; this connection structure can stretch wire rope through elasticity under the environment of strong wind to realize the buffering, avoid making striking between link plate and the insulator chain connecting portion and breaking.

However, the above technical solutions have the following disadvantages: this insulator chain adopts articulated mode to be connected with lower connecting pipe, adopts articulated mode, need drill on being connected the piece usually, and the round pin axle of articulated joint is arranged in the hole, because when dismouting insulator chain, personnel high altitude construction, and need with the help of instrument dismouting round pin axle, very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an insulator chain for overhead line convenient to dismouting, personnel need not be with the help of the instrument when high altitude construction, alright dismouting insulator chain, the effectual efficiency of changing insulator chain that has improved.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an insulator chain for overhead line convenient to dismouting, includes electric tower horizontal pole and insulator chain, still including installing mount pad on electric tower horizontal pole, the installation piece that links to each other with insulator chain both ends respectively and bearing piece and be used for compressing tightly the arc clamp plate of electric wire, the lateral wall of mount pad is equipped with and supplies installation piece male mounting groove, the lateral wall of installation piece is equipped with the connecting piece and fixes in the mounting groove, the holding tank that the lateral wall power supply line of bearing piece passed, be equipped with in the holding tank and tightly support the regulating part on the electric wire with the arc clamp plate.

By adopting the technical scheme, during installation, the installation block is firstly inserted into the installation groove, the installation block can be fixed in the installation groove by using the connecting piece, then the electric wire is placed into the accommodating groove, the arc-shaped pressing plate is driven to move downwards by using the adjusting piece, so that the arc-shaped pressing plate is tightly abutted against the outer wall of the electric wire, and the electric wire can be stably fixed in the accommodating groove; by adopting the structure, when the worker works high above the ground, the insulator string can be disassembled and assembled without tools, and the efficiency of replacing the insulator string is effectively improved.

Further, the connecting piece is including setting up a plurality of connecting blocks on the installation piece lateral wall, the cell wall of mounting groove is equipped with vertical groove and the spread groove of mutual intercommunication respectively, the spread groove is the level attitude setting, vertical groove runs through with the diapire of mount pad, the connecting block is by in the vertical groove cunning moves to the spread groove, it links to each other with the connecting block to be equipped with joint spare in the spread groove.

By adopting the technical scheme, the connecting block is aligned to the vertical groove, then the mounting block is inserted into the mounting groove, so that the connecting block can slide into the vertical groove from bottom to top, the cross section of the mounting block is circular, the mounting block can be conveniently rotated, the connecting block can be rotated into the connecting groove from the vertical groove, and then the position of the connecting block in the vertical block is positioned by utilizing the clamping piece, so that the mounting block can be fixed in the mounting groove, and the detachable connection between the insulator string and the mounting seat is realized; this connected mode adopts the mode of grafting chucking, convenient operation, and the dismouting is efficient.

Furthermore, a cavity communicated with the connecting groove is arranged in the mounting seat, the clamping piece comprises a horizontal abutting block, a vertical linkage block and a clamping block which are arranged on the inner wall of the cavity in a sliding manner, the groove wall of the connecting groove facing the connecting block is provided with a first opening, one end of the abutting block passes through the first opening and slides into the connecting groove, the other end of the resisting block and the top end of the linkage block are mutually butted and provided with a wedge-shaped surface, the end wall of the resisting block, which is positioned on the wedge-shaped surface, is provided with a sliding groove, the end wall of the linkage block positioned on the wedge-shaped surface is provided with a slide block sliding in the chute, the cavity is internally provided with a linkage piece driving the fixture block and the linkage block to reversely slide, the bottom wall of the connecting groove adjacent to the notch of the connecting groove is provided with a second opening, the bottom wall of the connecting block is provided with a clamping groove corresponding to the second opening, when the connecting block is abutted against the end wall on one side of the abutting block, the upper end of the clamping block penetrates through the first opening and slides into the clamping groove.

Through adopting above-mentioned technical scheme, when the connecting block slides in to the spread groove, the connecting block is contradicted with the one side end wall that supports the piece, the drive is supported the piece and is slided to the direction of keeping away from the connecting block, because the inconsistent end wall that supports piece and linkage piece establishes to the wedge face, it is downward sliding in the guide way to drive the guide block, and then the linkage piece slides downwards, then utilize the linkage piece, drive fixture block and linkage piece reverse sliding, so that the top of fixture block passes the second opening and inserts in the draw-in groove, realize the location to the connecting block, and then improved the stability that the installation piece is located the mounting groove.

Furthermore, the linkage piece is including rotating the fluted disc that sets up in the cavity, with the sawtooth strip of fluted disc both sides meshing, two the sawtooth strip sets up the relative lateral wall at linkage piece and fixture block respectively, fluted disc lateral wall axle center department wears to be equipped with the pivot, the one end and the cavity inner wall of pivot rotate to be connected, the outer wall of mount pad is extended to the other end of pivot.

By adopting the technical scheme, when the linkage block moves downwards, the toothed disc rotates due to the meshing of the sawtooth racks and the toothed disc, so that the fixture block is driven to move upwards, the reverse sliding of the fixture block and the linkage block is realized, the fixture block slides into the clamping groove, and the positioning of the connection block is realized.

The pivoted setting makes things convenient for personnel to rotate the pivot, drives the fluted disc and rotates for the fixture block moves down, so that the top of fixture block from the draw-in groove internal slipping to the cavity in, and then rotatable installation piece, make the connecting block by spread inslot rotation to vertical inslot, and then make things convenient for personnel to take out the installation piece, improved the change efficiency to insulator chain.

Further, the length dimension of draw-in groove is greater than the length dimension of fixture block, connecting block and fixture block are the magnetism piece.

Through adopting above-mentioned technical scheme, when the connecting block slides in the spread groove and to supporting a direction, the fixture block shifts up simultaneously, and the length dimension that sets up the fixture block is greater than the length dimension of draw-in groove to when the connecting block slides, the fixture block can insert in the draw-in groove, so that fix a position the connecting block.

The fixture block and the connecting block are magnetic blocks, so that after the fixture block is inserted into the clamping groove, the fixture block can be adsorbed and fixed in the clamping groove, and then the positioning of the connecting block is realized, the stability of the mounting block in the mounting groove is improved, and the insulator string is stably mounted on the electric tower cross rod.

Furthermore, the side walls of the abutting block, the linkage block and the clamping block are provided with guide blocks, and the inner wall of the cavity is provided with guide grooves for the guide blocks to slide.

Through adopting above-mentioned technical scheme, the cooperation of guide block and guide way plays spacing and guide effect to supporting sliding of piece, linkage piece and fixture block, and then has improved the stability when supporting piece, linkage piece and fixture block and sliding.

Further, the regulating part is including rotating the nut that sets up at the bearing piece roof, with nut threaded connection's screw rod, the lateral wall of bearing piece just is equipped with logical groove along its direction of height, the one end that the nut was kept away from to the screw rod is passed logical groove and is linked to each other with the outer arc wall of arc clamp plate, the cell wall that leads to the groove is equipped with the stopper, the outer wall of screw rod just is equipped with the spacing groove that supplies the stopper to slide along its axial.

By adopting the technical scheme, the nut is rotated, the limiting groove has a limiting effect on the movement of the limiting block, so that the screw rod is driven to slide in the through groove, meanwhile, the limiting block slides in the limiting groove, and the arc-shaped pressing plate is driven to move up and down, so that the electric wire is tightly pressed and fixed in the accommodating groove; this adjustment mode, convenient operation for personnel need not be with the help of the instrument when high altitude construction, alright realize the installation to the electric wire, location, the effectual dismouting efficiency that has improved.

Further, the tank bottom wall of holding tank is equipped with the arc wall, the inner arc wall of arc clamp plate, the cell wall of arc wall all are equipped with the rubber pad and contradict at the outer wall of electric wire.

By adopting the technical scheme, the contact area between the bottom wall of the accommodating groove and the outer wall of the electric wire is increased due to the arrangement of the arc-shaped groove, and the tightness of the fit among the arc wall in the arc-shaped pressing plate, the groove wall of the arc-shaped groove and the outer wall of the electric wire is further enhanced due to certain flexibility and abrasion resistance of the rubber pad; and the rubber pad has certain shock attenuation and buffering effect, can avoid the electric wire to receive the vibrations that wind-force influence and produce and cushion to stabilize the bearing to the electric wire.

To sum up, the utility model discloses following beneficial effect has:

1. the mounting block is fixed in the mounting groove through the connecting piece, and the arc-shaped pressing plate is driven to move downwards by the adjusting piece so as to fix the electric wire in the accommodating groove, so that the insulator string is mounted; by adopting the structure, when a worker works aloft, the insulator string can be disassembled without tools, so that the efficiency of replacing the insulator string is effectively improved;

2. when the linkage block moves downwards, the fluted disc is driven to rotate, so that the fixture block moves upwards, the reverse sliding of the fixture block and the linkage block is realized, the fixture block conveniently slides into the clamping groove, and the positioning of the connecting block is realized;

3. the length dimension of fixture block is greater than the length dimension of draw-in groove to when the connecting block was slided, the fixture block can insert in the draw-in groove, so that to the connecting block location.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure diagram for embodying the adjusting member.

Fig. 3 is an exploded view for showing the positional relationship between the mounting block and the mounting seat.

Fig. 4 is a schematic view of a partial sectional structure for embodying the connection block in the connection groove.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

FIG. 6 is a schematic cross-sectional view of the shaft and the toothed disc positioned within the cavity.

In the figure: 1. an electric tower rail; 2. an insulator string; 3. a mounting seat; 4. mounting blocks; 5. a bearing block; 6. a rubber pad; 7. an arc-shaped pressing plate; 8. mounting grooves; 9. a connecting member; 91. connecting blocks; 92. a vertical slot; 93. connecting grooves; 10. a clamping piece; 101. a cavity; 102. a resisting block; 103. a linkage block; 104. a clamping block; 105. a wedge-shaped surface; 106. a slider; 107. a chute; 108. a card slot; 11. a first opening; 12. a second opening; 13. a linkage member; 131. a fluted disc; 132. a sawtooth strip; 133. a rotating shaft; 14. a guide block; 15. a guide groove; 16. accommodating grooves; 17. an adjustment member; 171. a nut; 172. a screw; 173. a through groove; 174. a limiting block; 175. a limiting groove; 18. an arc-shaped slot; 19. a baffle plate; 20. a placement port; 21. an electric wire; 22. mounting a plate; 23. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides an insulator chain for overhead line convenient to dismouting, refers to fig. 1, including electric tower horizontal pole 1, insulator chain 2 and the electric wire 21 that from top to bottom arranges in proper order, insulator chain 2 is used for hanging electric wire 21 on electric tower horizontal pole 1 to make electric wire 21 and electric tower and ground insulating, and then improved circuit transmission process's stability.

Referring to fig. 2, for the convenience install electric wire 21 in insulator chain 2's bottom, insulator chain 2's bottom is connected with bearing block 5, bearing block 5's lateral wall is seted up the holding tank 16 that power supply line 21 wore to establish, holding tank 16 runs through with bearing block 5's both sides end wall, so that place electric wire 21 in holding tank 16, the top that just is located the cable in holding tank 16 is equipped with arc clamp plate 7, arc clamp plate 7's interior arc wall is towards electric wire 21, be equipped with in the holding tank 16 and tightly support the regulating part 17 on electric wire 21 outer wall with arc clamp plate 7, and then can fix electric wire 21 in holding tank 16.

Referring to fig. 2, the adjusting member 17 includes a nut 171 rotatably disposed on the top wall of the support block 5, and a screw 172 in threaded connection with the nut 171, a through groove 173 is disposed on the side wall of the support block 5 along the height direction of the support block, one end of the screw 172, which is far away from the nut 171, passes through the through groove 173 and extends into the accommodating groove 16, one end of the screw 172, which is located at the accommodating groove 16, is connected to the vertex of the outer arc wall of the arc-shaped pressing plate 7, a limiting block 174 is disposed on the groove wall of the through groove 173, and a limiting groove 175 for the limiting block 174 to slide is disposed; during adjustment, the nut 171 is rotated, and the limiting groove 175 has a limiting effect on the movement of the limiting block 174, so that the screw 172 is driven to slide in the through groove 173, and meanwhile, the limiting block 174 slides in the limiting groove 175, so that the arc-shaped pressing plate 7 is driven to move up and down, and the electric wire 21 is compressed and fixed in the accommodating groove 16.

Referring to fig. 2, in order to further improve the stability of fixing the electric wire 21 in the accommodating groove 16, a baffle 19 extends upward from the bottom wall of the accommodating groove 16 and is located on one side of the arc-shaped groove 18, and a mounting opening 20 is reserved between the upper surface of the baffle 19 and the top wall of the accommodating groove 16 so as to place the electric wire 21 in the accommodating groove 16; the size of 16 groove departments of holding tank has been reduced in the setting of baffle 19, and then plays the effect of keeping off the material to electric wire 21 in the holding tank 16, avoids electric wire 21 landing outside holding tank 16.

The arc-shaped groove 18 is formed in the wall of the bottom of the accommodating groove 16, so that the contact area between the wall of the accommodating groove 16 and the outer wall of the electric wire 21 is increased, the rubber pads 6 are arranged on the opposite side walls of the arc-shaped groove 18 and the arc-shaped pressing plate 7, the rubber pads 6 have certain flexibility and abrasion resistance, and the tightness of fit among the inner arc wall of the arc-shaped pressing plate 7, the wall of the arc-shaped groove 18 and the outer wall of the electric wire 21 is further enhanced; and the rubber pad 6 has certain shock attenuation and buffering effect, can avoid electric wire 21 to receive the vibrations that wind power influence produced and cushion to stably bear electric wire 21.

Referring to fig. 1 and 3, top fixedly connected with installation piece 4 of insulator chain 2, fix installation piece 4 on electricity tower horizontal pole 1 for the convenience, downside installation at electricity tower horizontal pole 1 is fixed with mount pad 3, the both sides wall of mount pad 3 all is equipped with mounting panel 22, mounting panel 22 passes through bolt 23 to be fixed on electricity tower horizontal pole 1, the lower surface of mount pad 3 is equipped with and supplies installation piece 4 to insert the mounting groove 8 of establishing, the lateral wall of installation piece 4 is equipped with connecting piece 9 and fixes in mounting groove 8, and then can install insulator chain 2 on electricity tower horizontal pole 1.

Referring to fig. 3, connecting piece 9 is including setting up a plurality of connecting blocks 91 on the lateral wall of installation block 4, the cell wall of mounting groove 8 is equipped with vertical groove 92 and the spread groove 93 of intercommunication respectively, spread groove 93 is the horizontality setting, vertical groove 92 runs through with the diapire of mount pad 3, during the installation, aim at vertical groove 92 with connecting block 91, then insert installation block 4 in the mounting groove 8, so that connecting block 91 slides to vertical groove 92 by supreme down in, in this embodiment, the cross section of installation block 4 and mounting groove 8 is circular, and then rotate installation block 4, alright rotate installation block 4 to spread groove 93 by vertical groove 92 in, thereby can fix installation block 4 in mounting groove 8, realized the dismantlement between insulator chain 2 and the mount pad 3 and be connected.

Referring to fig. 4 and 5, for improving the stability that installation piece 4 is located mounting groove 8, be equipped with joint spare 10 in the connecting groove 93 and link to each other with connecting block 91, joint spare 10 is including the piece 102 that supports that is the horizontality, the linkage piece 103 and the fixture block 104 that are vertical, be equipped with the cavity 101 that is linked together with connecting groove 93 in the connecting seat, the upper surface of piece 102 supports, the lateral wall that keeps away from of linkage piece 103 and fixture block 104 all is equipped with guide block 14, the interior roof of cavity 101, the both sides inner wall of cavity 101 all is equipped with the guide way 15 that supplies guide block 14 to slide, the length direction of the guide way 15 that is located the diapire in cavity 101 with support the length direction syntropy of.

The first opening 11 is arranged on one side groove wall, opposite to the vertical groove 92, of the connecting groove 93, one end of the abutting block 102 extends into the connecting groove 93, the other end of the abutting block 102 abuts against the top end of the linkage block 103, the abutting end walls of the abutting block 102 and the linkage block 103 are both set to be wedge-shaped surfaces 105, the wedge-shaped surfaces 105 are inclined surfaces, the lower end of the wedge-shaped surfaces 105 faces the inner bottom wall of the cavity 101, the higher end of the wedge-shaped surfaces 105 faces the inner top wall of the cavity 101, the abutting block 102 is located on the end wall of the wedge-shaped surfaces 105 and provided with sliding grooves 107 along the inclined direction of the end wall, and the end wall, located on the wedge-shaped surfaces 105, of.

When the connecting block 91 slides into the connecting groove 93, the connecting block 91 is abutted against the end wall on one side of the abutting block 102, so as to drive the abutting block 102 to slide towards the direction far away from the connecting block 91, and the abutting end walls of the abutting block 102 and the linkage block 103 are set as the wedge-shaped surfaces 105, so as to drive the guide block 14 to slide downwards in the guide groove 15, and further the linkage block 103 to slide downwards.

The cavity 101 is internally provided with a linkage piece 13 which drives the fixture block 104 and the linkage block 103 to reversely slide, the groove bottom wall of the connecting groove 93 adjacent to the groove opening is provided with a second opening 12, the bottom wall of the connecting block 91 is provided with a clamping groove 108 corresponding to the second opening 12, and when the linkage block 103 moves downwards, the fixture block 104 is driven to move upwards, so that the fixture block 104 passes through the second opening 12 from bottom to top and is inserted into the clamping groove 108.

In this embodiment, the length of the clamping groove 108 is greater than that of the clamping block 104, so that when the connecting block 91 slides, the upper end of the clamping block 104 passes through the second opening 12 and slides into the clamping groove 108; and fixture block 104 and connecting block 91 are the magnetic block for behind fixture block 104 inserted draw-in groove 108, fixture block 104 can adsorb in draw-in groove 108, so that be located the position location of connecting block 91 in connecting groove 93, improved the stability that installation piece 4 is located mounting groove 8.

Referring to fig. 4, the linkage member 13 includes a toothed disc 131 rotatably disposed in the cavity 101, and a sawtooth rack 132 engaged with both sides of the toothed disc 131, the sawtooth rack 132 is disposed in a vertical state, the two sawtooth racks 132 are respectively disposed on opposite sidewalls of the linkage block 103 and the latch 104, and when the linkage block 103 moves down, the sawtooth rack 132 is engaged with the toothed disc 131 to further drive the toothed disc 131 to rotate, thereby driving the latch 104 to move up, and the latch 104 and the linkage block 103 slide in opposite directions, so that the upper end of the latch 104 can pass through the second opening 12 and slide into the slot 108, and the positioning of the connection block 91 is achieved.

Referring to fig. 4 and 6, for conveniently changing insulator string 2, a rotating shaft 133 is penetrated in the axis of the side wall of the fluted disc 131, one end of the rotating shaft 133 is rotatably connected with the inner wall of the cavity 101, the other end of the rotating shaft 133 extends out of the outer wall of the mounting base 3 and is connected with a handle (not shown in the figure), so that a person can rotate the rotating shaft 133 to drive the fluted disc 131 to rotate, the fixture block 104 is moved downwards, so that the top end of the fixture block 104 slides into the cavity 101 from the clamping groove 108, the mounting block 4 can be rotated and installed, the connecting block 91 is rotated into the vertical groove 92 (fig. 3) from the connecting groove 93 (fig. 3), and the mounting block 4 can be taken out, so that the person can take out.

The working process is as follows: when the insulator string 2 needs to be replaced, firstly, the rotating shaft 133 is rotated to drive the fluted disc 131 to rotate and drive the fixture block 104 to move downwards, the top end of the fixture block 104 slides into the cavity 101 from the clamping groove 108 and the second opening 12 in sequence, secondly, personnel can rotate the mounting block 4 to enable the connecting block 91 to move downwards from the connecting groove 93 to the top of the vertical groove 92, and at the moment, the personnel can take out the mounting block 4; then, the nut 171 is rotated, and the limiting groove 175 plays a guiding and limiting role in the movement of the limiting block 174, so that the screw 172 is driven to slide upwards, the arc-shaped pressing plate 7 is driven to move upwards, the electric wire 21 can be taken out from the placing opening 20, and finally the insulator string 2 is disassembled.

On the contrary, when installing insulator chain 2, aim at vertical groove 92 with connecting block 91, so that insert mounting groove 8 with mounting block 4 in, and then rotatable mounting block 4, so that rotate connecting block 91 to in the spread groove 93, connecting block 91 conflicts to the end wall that supports piece 102 simultaneously, along with the sliding of connecting block 91, support that piece 102 slides to the direction of linkage piece 103, and then drive linkage piece 103 and move down, fluted disc 131 rotates simultaneously, it shifts up to drive fixture block 104, and then fixture block 104 can pass second opening 12 and slide to in draw-in groove 108, because fixture block 104 and connecting block 91 are the magnetic block, and then fixture block 104 with adsorb in draw-in groove 108, realized the location to connecting block 91, thereby can fix mounting block 4 in mounting groove 8.

Then, the electric wire 21 is placed into the arc-shaped groove 18 through the placing opening 20, due to the guiding effect of the limiting groove 175 and the limiting block 174, the nut 171 is rotated, the screw rod 172 is driven to move downwards, the arc-shaped pressing plate 7 moves downwards, the electric wire 21 can be stably fixed in the arc-shaped groove 18, and finally the installation of the insulator string 2 is realized; by adopting the structure, the insulator string 2 can be conveniently and quickly disassembled and assembled by personnel in high-altitude operation without tools, and the replacement efficiency of the insulator string 2 is effectively improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an insulator chain for overhead line convenient to dismouting, includes electric tower horizontal pole (1) and insulator chain (2), its characterized in that: still including installing mount pad (3) on electric tower horizontal pole (1), respectively with insulator chain (2) both ends installation piece (4) and bearing piece (5) that link to each other and be used for compressing tightly arc clamp plate (7) of electric wire (21), the lateral wall of mount pad (3) is equipped with and supplies installation piece (4) male mounting groove (8), the lateral wall of installation piece (4) is equipped with connecting piece (9) and fixes in mounting groove (8), the lateral wall of bearing piece (5) is equipped with holding tank (16) that power supply line (21) passed, be equipped with in holding tank (16) and tightly support adjusting part (17) on electric wire (21) with arc clamp plate (7).

2. The conveniently detachable insulator string for an overhead line according to claim 1, wherein: connecting piece (9) are including setting up a plurality of connecting blocks (91) on installation piece (4) lateral wall, the cell wall of mounting groove (8) is equipped with vertical groove (92) and spread groove (93) that communicate each other respectively, spread groove (93) are the level attitude and set up, vertical groove (92) run through with the diapire of mount pad (3), connecting block (91) are slided to spread groove (93) by vertical groove (92) in, be equipped with joint spare (10) in spread groove (93) and link to each other with connecting block (91).

3. The insulator string for an overhead line convenient to disassemble and assemble according to claim 2, wherein: the mounting seat (3) is internally provided with a cavity (101) communicated with the connecting groove (93), the clamping piece (10) comprises a support block (102) which is arranged on the inner wall of the cavity (101) in a sliding manner and is in a horizontal state, a linkage block (103) which is in a vertical state and a clamping block (104), the groove wall of the connecting groove (93) facing the connecting block (91) is provided with a first opening (11), one end of the support block (102) penetrates through the first opening (11) to slide into the connecting groove (93), the other end of the support block (102) and the top end of the linkage block (103) are mutually abutted and are provided with a wedge-shaped surface (105), the end wall of the support block (102) positioned on the wedge-shaped surface (105) is provided with a sliding block (106), the end wall of the linkage block (103) positioned on the wedge-shaped surface (105) is provided with a sliding groove (107) for the sliding block (106), and a linkage piece (13) which drives the clamping block (104) and the linkage, connecting block (91) are equipped with second opening (12) towards the lateral wall of connecting block (91), the lateral wall of connecting block (91) is equipped with draw-in groove (108) corresponding with second opening (12), when connecting block (91) contradict with the side end wall that supports piece (102), first opening (11) are passed and slide to in draw-in groove (108) to the upper end of draw-in block (104).

4. The conveniently detachable insulator string for an overhead line according to claim 3, wherein: linkage (13) including rotate set up fluted disc (131) in cavity (101), with sawtooth strip (132) of fluted disc (131) both sides meshing, two sawtooth strip (132) set up respectively at the relative lateral wall of linkage piece (103) and fixture block (104), pivot (133) are worn to be equipped with in fluted disc (131) lateral wall axle center department, the one end and the cavity (101) inner wall rotation of pivot (133) are connected, the outer wall of mount pad (3) is extended to the other end of pivot (133).

5. The conveniently detachable insulator string for an overhead line according to claim 3, wherein: the length dimension of the clamping groove (108) is larger than that of the clamping block (104), and the connecting block (91) and the clamping block (104) are both magnetic blocks.

6. The conveniently detachable insulator string for an overhead line according to claim 3, wherein: the side walls of the abutting block (102), the linkage block (103) and the clamping block (104) are respectively provided with a guide block (14), and the inner wall of the cavity (101) is provided with a guide groove (15) for the guide block (14) to slide.

7. The conveniently detachable insulator string for an overhead line according to claim 1, wherein: adjusting part (17) including rotate set up at nut (171) of bearing piece (5) roof, with nut (171) threaded connection's screw rod (172), the lateral wall of bearing piece (5) just is equipped with logical groove (173) along its direction of height, the one end that nut (171) were kept away from in screw rod (172) is passed logical groove (173) and is linked to each other with the outer arc wall of arc clamp plate (7), the cell wall that leads to groove (173) is equipped with stopper (174), the outer wall of screw rod (172) just is equipped with along its axial and supplies stopper (174) spacing groove (175) that slide.

8. The conveniently detachable insulator string for an overhead line according to claim 1, wherein: the bottom wall of the accommodating groove (16) is provided with an arc-shaped groove (18), and the inner arc wall of the arc-shaped pressing plate (7) and the groove wall of the arc-shaped groove (18) are both provided with rubber pads (6) and abut against the outer wall of the electric wire (21).