CN218648461U

CN218648461U - Special cardboard of compound insulator chain bowl of transmission line

Info

Publication number: CN218648461U
Application number: CN202223087108.8U
Authority: CN
Inventors: 李光发; 李斌; 王鹏; 李春瑞; 普金龙; 张林华; 樊莹; 刘仕杰; 陈刚; 余陶文; 程万龙; 李宏; 王勇; 万仁勇; 姚望; 黄应年; 苏磊; 郑青松
Original assignee: Chuxiong Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Chuxiong Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-17
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of live replacement operation, in particular to a clamping plate special for a bowl head of a composite insulator string of a power transmission line, which comprises a clamping plate; the clamping plate is used for power failure maintenance or live-line maintenance on the composite insulator of the power transmission line; the plate comprises a disc-shaped plate body, wherein a through groove is formed in the plate body, and a fixing groove penetrating through the plate body is formed at the tail end of the through groove; a fixed block is arranged in the fixed groove, and a sliding block which is connected with the through groove in a sliding manner is arranged on the fixed block; through the cardboard that sets up: when live-line work is carried out, the clamping plate is fixed at the bowl head of the composite insulator string, and the clamping plate is locked at the bowl head of the composite insulator string through the fixing bolt, so that the locking purpose is achieved, the lead screw is convenient to take off after being stressed, and the ice-coating online monitoring device for the composite insulator string of the circuit is convenient to replace and install in a live-line manner; this cardboard convenient operation is swift, and is convenient for carry out the dismouting, has reduced the degree of difficulty of operation, has reduced staff's operation risk.

Description

Special cardboard of transmission line composite insulator cluster bowl head

Technical Field

The utility model relates to an operation technical field is changed in the electrification specifically is a special cardboard of transmission line composite insulator chain bowl head.

Background

At present, an ice coating online monitoring device for replacing and installing a line composite insulator string in an electrified way generally adopts a power failure or equipotential operation method; the equipotential installation has high safety risk of a person and a power grid, the working efficiency is low, and the power grid is subjected to huge economic loss when power is cut off;

at the present stage, a clamping plate for a composite insulator string bowl head is matched with a closed clamp, and a lead screw is taken off after being stressed, so that the ice-coating online monitoring device for the composite insulator string of the line can be conveniently replaced and installed in an electrified way; during operation: an operator needs to climb a rope ladder to enter a strong electric field, an insulating pull plate is arranged at the end of a lead to lift the lead through a lead screw so as to loosen an insulator string, then a connecting hardware fitting for disconnecting the insulator and a tower material is taken at the end of a cross arm, and a tension sensor is further additionally arranged; in the installation process, the pull plate needs to be fixed at the bowl head of the composite insulator string of the power transmission line and is taken off after being stressed by the screw rod, but the pull plate has the problem of inconvenient disassembly and assembly when being installed to the bowl head of the composite insulator string, the operation difficulty is increased, the risk of workers in high-altitude live working is increased, and accordingly, the special clamping plate for the bowl head of the composite insulator string of the power transmission line is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special cardboard of transmission line composite insulator cluster bowl head to the problem of proposing in solving above-mentioned background art.

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

a special chuck plate for a bowl of a composite insulator string of a power transmission line comprises a chuck plate;

the clamping plate is used for power failure maintenance or live maintenance on the composite insulator of the power transmission line; the plate comprises a disc-shaped plate body, wherein a through groove is formed in the plate body, and a fixing groove penetrating through the plate body is formed at the tail end of the through groove; a fixed block is arranged in the fixed groove, and a sliding block which is in sliding connection with the through groove is arranged on the fixed block;

the tail end of the sliding block is provided with a clamping groove which is used for being matched with the through groove to clamp the clamping plate at the bowl head of the composite insulator string;

the symmetry is seted up flutedly on the outer wall of fixed block, and fixing bolt is all worn to be equipped with in the bottom of recess, and fixing bolt and plate body threaded connection restrict fixed block and slider on the cardboard.

As the preferred technical proposal of the utility model, the tail end of the through groove is semicircular, the whole shape of the clamping groove is semicircular, and the through groove and the clamping groove are concentrically arranged.

As the utility model discloses preferred technical scheme, two spouts that are used for the direction are all seted up to the both sides wall department of wearing the groove, all install two guide rails that are used for the direction on the both sides outer wall of slider, and guide rail and corresponding spout sliding connection.

As a preferable technical scheme of the utility model, the two side walls of the fixing groove are both provided with a clamping groove; two guide rods for guiding are installed in the groove, and springs are sleeved on the guide rods.

As the utility model discloses preferred technical scheme, still install in the recess with guide arm sliding connection's movable block, and the spring supports tight movable block, and a side wall mounting of movable block has the fixture block, and the fixture block cooperates and restricts the fixed block in the fixed slot with corresponding draw-in groove joint.

As the utility model discloses preferred technical scheme, the terminal department of movable block installs the shifting block that is used for stirring the movable block motion, offers on the outer wall of shifting block to be used for skid-proof anti-skidding line.

As the utility model discloses preferred technical scheme, cardboard, fixed block and slider are the finished product of galvanized steel material, and the size of fixed block and slider respectively with the fixed slot with wear the size looks adaptation in groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through the cardboard that sets up: when live-line work is carried out, the clamping plate is fixed at the bowl head of the composite insulator string, and the clamping plate is locked at the bowl head of the composite insulator string through the fixing bolt, so that the locking purpose is achieved, the lead screw is convenient to take off after being stressed, and the ice-coating online monitoring device for the composite insulator string of the circuit is convenient to replace and install in a live-line manner; this cardboard convenient operation is swift, and is convenient for carry out the dismouting, has reduced the degree of difficulty of operation, has reduced staff's operation risk.

Drawings

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

fig. 2 is a schematic diagram of the overall explosion structure of embodiment 1 of the present invention;

fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 4 is a schematic diagram of the overall explosion structure of embodiment 2 of the present invention;

FIG. 5 is a schematic sectional view of the structure of the middle fixing block of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.

In the figure:

1. clamping a plate; 11. a plate body; 111. penetrating a groove; 112. a fixing groove; 113. a chute; 114. a card slot; 12. a slider; 121. a guide rail; 13. a fixed block; 131. a groove; 132. a guide bar; 133. a spring; 14. fixing the bolt; 15. a movable block; 16. a clamping block; 17. and (5) shifting blocks.

Detailed Description

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

Example 1

Referring to fig. 1-2, a clamping plate special for a string bowl of a composite insulator of a power transmission line comprises a clamping plate 1 and a clamping plate 1, and is used for power failure overhaul or live overhaul on the composite insulator of the power transmission line; the plate comprises a disc-shaped plate body 11, wherein a through groove 111 is formed in the plate body 11, and a fixing groove 112 penetrating through the plate body 11 is formed at the tail end of the through groove 111; the fixed block 13 is provided with a sliding block 12 which is in sliding connection with the through groove 111, and the tail end of the sliding block 12 is provided with a clamping groove which is used for being matched with the through groove 111 to clamp the clamping plate 1 at the bowl head of the composite insulator string; the fixing block 13 is installed in the fixing groove 112, grooves 131 are symmetrically formed in the outer wall of the fixing block 13, fixing bolts 14 penetrate through the bottoms of the grooves 131, the fixing bolts 14 are in threaded connection with the plate body 11, and the fixing block 13 and the sliding block 12 are limited on the clamping plate 1;

in this embodiment, the end of the through groove 111 is semicircular, the overall shape of the clamping groove is semicircular, and the through groove 111 and the clamping groove are concentrically arranged, so that the through groove 111 and the clamping groove are clamped on the rod core bowl, and the clamping plate 1 is conveniently installed and fixed.

In this embodiment, two sliding grooves 113 for guiding are respectively provided at two side walls of the through groove 111, two guide rails 121 for guiding are respectively installed on outer walls of two sides of the slider 12, the guide rails 121 are slidably connected with the corresponding sliding grooves 113, the guide rails 121 and the sliding grooves 113 are arranged to guide the installation of the slider 12, and the through groove 111 for dropping off the slider 12 can be avoided.

During specific use, a user firstly inserts the through groove 111 aiming at the rod core bowl head of the insulator string, the rod core bowl head is immersed into the through groove 111, then the user inserts the sliding block 12 into the through groove 111, the guide rail 121 slides along the sliding groove 113, the rod core bowl head is clamped by the sliding block 12 and the plate body 11, the fixing block 13 is inserted into the fixing groove 112, the user then penetrates the fixing bolt 14 through the fixing block 13 and screws the fixing bolt in the threaded hole in the plate body 11, the fixing block 13 and the sliding block 12 are fixed with the plate body 11, and the installation of the clamping plate 1 is completed.

Example 2

Referring to fig. 3 to 6, the following technical solutions are provided on the basis of embodiment 1 in the present embodiment, which are different from embodiment 1 in that: clamping grooves 114 are formed in two side walls of the fixing groove 112; two guide rods 132 for guiding are arranged in the groove 131, the guide rods 132 are tightly welded with the groove 131, and springs 133 are sleeved on the guide rods 132; the groove 131 is also internally provided with a movable block 15 which is connected with the guide rod 132 in a sliding manner, the spring 133 abuts against the movable block 15, one side wall of the movable block 15 is provided with a fixture block 16, the fixture block 16 is fixedly connected with the movable block 15 through a bolt, and the fixture block 16 is in clamping fit with the corresponding clamping groove 114 and limits the fixed block 13 in the fixed groove 112;

in this embodiment, a shifting block 17 for shifting the movable block 15 to move is installed at the end of the movable block 15, and anti-skid lines for skid resistance are formed on the outer wall of the shifting block 17; setting up of shifting block 17 and anti-skidding line is convenient for stir the motion of movable block 15, conveniently carries out the dismouting to slider 12 and fixed block 13.

In this embodiment, the clamping plate 1, the fixing block 13 and the sliding block 12 are made of galvanized steel, the sizes of the fixing block 13 and the sliding block 12 are respectively matched with the sizes of the fixing groove 112 and the through groove 111, and the galvanized steel has better structural strength and rigidity, so that the service life of the clamping plate 1 can be prolonged; and the size of adaptation is convenient for guarantee cardboard 1 stability after the installation.

It is added that the benefits of example 2 compared to example 1 are: in embodiment 1, since the sliding block 12 and the fixing block 13 are fixed on the plate body 11 by the fixing bolt 14, when mounting, a wrench or the like needs to be carried for tightening the fixing bolt 14, but the wrench or the like is limited by high-altitude live-line work, so that the use of the wrench or the like is inconvenient, and the wrench is easy to be out of hand during use; and embodiment 2 supports tight movable block 15 through spring 133 and makes fixture block 16 and draw-in groove 114 joint for being connected between slider 12 and fixed block 13 and the plate body 11 only can be realized through stirring shifting block 17 motion, and its convenient operation is swift, and is convenient for dismantle, need not instruments such as spanner can operate, has reduced the degree of difficulty of high altitude live working.

When the insulation string inserting device is used specifically, a user firstly inserts the through groove 111 aiming at the rod core bowl head of the insulation string, the rod core bowl head is immersed into the through groove 111, then the user pokes the poking blocks 17 inwards towards two sides, the poking blocks 17 drive the movable blocks 15 to slide along the guide rods 132, the springs 133 are compressed, the movable blocks 15 drive the clamping blocks 16 to retract into the grooves 131, then the user inserts the sliding blocks 12 into the through groove 111, the guide rails 121 slide along the sliding grooves 113, the rod core bowl head is clamped by the sliding blocks 12 and the plate body 11, meanwhile, the fixed blocks 13 are inserted into the fixed grooves 112, finally the user loosens the poking blocks 17 on the two sides, the clamping blocks 16 are clamped into the corresponding clamping grooves 114 under the elastic acting force of the springs 133, the fixed blocks 13 and the sliding blocks 12 are limited on the plate body 11, and the installation of the clamping plate 1 is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special cardboard of transmission line composite insulator cluster bowl head, includes cardboard (1), its characterized in that:

the clamping plate (1) is used for power failure maintenance or live maintenance on the composite insulator of the power transmission line; the plate comprises a disc-shaped plate body (11), wherein a through groove (111) is formed in the plate body (11), and a fixing groove (112) penetrating through the plate body (11) is formed at the tail end of the through groove (111); a fixed block (13) is arranged in the fixed groove (112), and a sliding block (12) which is in sliding connection with the through groove (111) is arranged on the fixed block (13);

the tail end of the sliding block (12) is provided with a clamping groove which is used for being matched with the penetrating groove (111) to clamp the clamping plate (1) at the bowl head of the composite insulator string;

the outer wall of fixed block (13) is gone up the symmetry and is seted up recess (131), and fixing bolt (14) are all worn to be equipped with in the bottom of recess (131), and fixing bolt (14) and plate body (11) threaded connection and with fixed block (13) and slider (12) restriction on cardboard (1).

2. The clamping plate special for the sub-string and bowl-head of the composite insulator of the power transmission line according to claim 1, characterized in that: the tail end of the penetrating groove (111) is semicircular, the overall shape of the clamping groove is semicircular, and the penetrating groove (111) and the clamping groove are concentrically arranged.

3. The clamping plate special for the sub-string and bowl-head of the composite insulator of the power transmission line according to claim 1, characterized in that: two sliding grooves (113) used for guiding are formed in the two side walls of the penetrating groove (111), two guide rails (121) used for guiding are mounted on the outer walls of the two sides of the sliding block (12), and the guide rails (121) are connected with the corresponding sliding grooves (113) in a sliding mode.

4. The clamping plate special for the bowl heads of the power transmission line composite insulator string as claimed in claim 1, wherein: two side walls of the fixed groove (112) are provided with clamping grooves (114); two guide rods (132) used for guiding are installed in the groove (131), and springs (133) are sleeved on the guide rods (132).

5. The clamping plate special for the sub-string and bowl-head of the composite insulator of the power transmission line according to claim 4, characterized in that: the groove (131) is internally provided with a movable block (15) which is connected with the guide rod (132) in a sliding manner, the spring (133) abuts against the movable block (15), a clamping block (16) is arranged on one side wall of the movable block (15), and the clamping block (16) is clamped and matched with the corresponding clamping groove (114) and limits the fixed block (13) in the fixed groove (112).

6. The clamping plate special for the bowl heads of the power transmission line composite insulator string as claimed in claim 5, wherein: the tail end of the movable block (15) is provided with a shifting block (17) for shifting the movable block (15) to move, and the outer wall of the shifting block (17) is provided with anti-skid lines for skid resistance.

7. The clamping plate special for the bowl heads of the power transmission line composite insulator string as claimed in claim 1, wherein: the clamping plate (1), the fixing block (13) and the sliding block (12) are all made of galvanized steel, and the sizes of the fixing block (13) and the sliding block (12) are respectively matched with the sizes of the fixing groove (112) and the through groove (111).