CN217691050U

CN217691050U - Special fixture for replacing horn type high-voltage fuse

Info

Publication number: CN217691050U
Application number: CN202221511465.XU
Authority: CN
Inventors: 阿布都科尤木·卡迪尔; 麦尔旦江·阿不都瓦依提; 居来提·玉素甫; 魏晓赵金莲木也赛尔·买买提吐尔洪; 张盼盼; 徐致铭
Original assignee: Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd
Current assignee: Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-28
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a special fixture for claw formula high-voltage fuse changes belongs to electrical equipment appurtenance technical field, and it is including a supporting beam, a supporting beam's last fixed surface is connected with the hinge, and a supporting beam articulates through the hinge has the nut cassette, one side of nut cassette is run through the joint and is had the support nut. Two U-shaped posts cooperate between fuse body's vase full skirt under, carry out the centre gripping location, rotate conical screw, make it press with fuse body to connect the end cover under mutually supporting, rely on to connect the end cover to press and hold the elasticity of overcoming the splicing, dismantle can, compare in traditional change mode, this kind of mode of supplementary installation, and is not only more convenient, and is labor-saving to use, save the installation time, and single can carry out efficient change, need not personnel's assistance, the efficiency of change has been promoted greatly, and it presses the connection end cover hard to need not personnel's assistance, operate more safe and reliable.

Description

Special fixture for replacing horn type high-voltage fuse

Technical Field

The utility model belongs to the technical field of electrical equipment appurtenance, specifically speaking relates to a special fixture that is used for goat's horn formula high-voltage fuse to change.

Background

The work of the claw-type high-voltage fuse is changed frequently in each transformer substation by the current power equipment maintenance team, under the condition, the team usually takes measures of applying for power failure and then carrying out safety replacement, the average consumed time of replacement is 107.5 minutes from the time when equipment is powered off to the time when the fuse is replaced and power transmission is recovered after the fuse is replaced in a high-voltage fuse tube on the high-voltage side through a statistical station, so that the power failure time is overlong, the efficiency is low, when the fuse is replaced, two persons are required to replace the fuse on a framework, the framework is high, the station position is narrow, and in addition, the shortage of the station position causes strength but no power supply, and the danger is high.

In view of this special the utility model is put forward.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model adopts the following basic concept:

the utility model provides a special fixture for goat's horn formula high-voltage fuse changes, includes a supporting beam, it is connected with the hinge to prop up supporting beam's last fixed surface, and it has the nut cassette to prop up supporting beam articulated through the hinge, the joint is run through to one side of nut cassette has support nut, support nut's inner wall screw thread runs through there is conical screw.

The upper and lower both sides of a supporting beam right-hand member all are fixed with the fagging, and the opposite face of two faggings has two movable parts through round pin axle swing joint, the fixed surface of movable part is connected with side's pipe, the fixed surface of fagging is connected with the limiting plate that is used for spacing support side's pipe, and the equal fixed gear that is the intermeshing state in surface of two movable parts.

The top of square pipe is provided with the U-shaped post, the top of a supporting beam is provided with the fuse body that receives the centre gripping of two U-shaped posts.

As a further aspect of the present invention: the fuse body's both sides all install the connection end cover, there is the splicing on the surface of connection end cover through the screw installation.

As a further aspect of the present invention: the inner wall of side's pipe has seted up the spout, the upper surface of spout inner wall runs through and has seted up the slide opening, the inner wall sliding connection of spout has the slider, the last fixed surface of slider is connected with the fixture block, the surface of fixture block is through the inner wall swing joint of round pin axle with corresponding U-shaped post.

As a further aspect of the present invention: the surface of slider is seted up and is used for cooperating the gliding recess of slide opening gomphosis, the inner wall fixedly connected with extension spring of spout, and the other end fixed connection of extension spring is on the surface of slider.

As a further aspect of the present invention: and the surface of the U-shaped column is fixedly connected with an anti-slip pad used for clamping the fuse body in a matching manner.

Has the beneficial effects that:

when using, through lifting up this fixture, make it make two U-shaped posts under the cooperation between the vase full skirt of fuse body, carry out the centre gripping location, conical screw pushes up at fuse tube top cap, rotate conical screw, make it press under mutually supporting and hold with the fuse body connecting end cover, rely on to press the elasticity of holding the overcoming splicing to connecting the end cover, dismantle can, when the installation, it can install to rotate conical screw and can will connect the end cover and impress new fuse body one end, compare in traditional change mode, this kind of mode of supplementary installation, and is not only more convenient, use is laborsaving, save installation time, and single can carry out efficient change, need not personnel's assistance, the efficiency of change is greatly promoted, and need not personnel's supplementary hard to press the connecting end cover, operate more safe and reliable.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a diagram showing the usage status of the fuse body when the fuse is replaced according to the present invention;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a support beam according to the present invention;

fig. 4 is a schematic view of the three-dimensional section structure of the square tube of the present invention.

In the figure: 1. a support beam; 2. a hinge; 3. a nut clamping seat; 4. a support nut, 5 and a conical screw; 6. A supporting plate; 7. a movable portion; 8. a square tube; 9. a gear; 10. a limiting plate; 11. a chute; 12. a slide hole; 13. A slider; 14. a groove; 15. a clamping block; 16. a U-shaped column; 17. a non-slip mat; 18. a tension spring; 19. a fuse body; 20. connecting an end cover; 21. a tab.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 4, a special fixture for claw formula high-voltage fuse changes, including a supporting beam 1, a supporting beam 1's last fixed surface is connected with hinge 2, and a supporting beam 1 articulates through hinge 2 has nut cassette 3, and the joint is run through to one side of nut cassette 3 has support nut 4, and support nut 4's inner wall screw thread runs through there is conical screw 5.

Supporting plate 6 is fixed on the upper and lower both sides of the right end of supporting beam 1, the opposite face of two supporting plates 6 is connected with two movable parts 7 through round pin axle swing joint, the fixed surface of movable part 7 is connected with square pipe 8, the fixed surface of supporting plate 6 is connected with limiting plate 10 that is used for spacing support square pipe 8, and the equal fixed gear 9 that is the intermeshing state in surface of two movable parts 7.

The square tube 8 is provided with a U-shaped column 16 above, and a fuse body 19 clamped by the two U-shaped columns 16 is arranged above the supporting beam 1.

Specifically, as shown in fig. 1, the fuse body 19 is mounted with connection end caps 20 on both sides thereof, and tabs 21 are mounted on the surfaces of the connection end caps 20 by screws.

The connecting end cover 20 is provided for mounting at one end of the fuse body 19 so as to perform mounting and fixing operations, and the connecting end cover 20 is provided with the connecting piece 21, and the connecting piece 21 mainly maintains support and fixation of the connecting end cover 20.

Specifically, as shown in fig. 4, a sliding groove 11 is formed in the inner wall of the square tube 8, a sliding hole 12 is formed in the upper surface of the inner wall of the sliding groove 11 in a penetrating manner, a sliding block 13 is connected to the inner wall of the sliding groove 11 in a sliding manner, a clamping block 15 is fixedly connected to the upper surface of the sliding block 13, and the surface of the clamping block 15 is movably connected to the inner wall of the corresponding U-shaped column 16 through a pin shaft.

Through setting up spout 11, spout 11 can keep the gliding effect of stability to slider 13, through setting up fixture block 15, fixture block 15 can remove along with slider 13's motion to with the U-shaped post 16 between present one-way support effect under the round pin axle cooperation.

Specifically, as shown in fig. 3, a groove 14 for engaging with the sliding hole 12 to slide is formed on the surface of the slider 13, a tension spring 18 is fixedly connected to the inner wall of the sliding slot 11, and the other end of the tension spring 18 is fixedly connected to the surface of the slider 13.

In particular, the method comprises the following steps of,

through setting up recess 14, recess 14 can cooperate and slide between the slide opening 12, makes it can keep better stable gliding effect, through setting up extension spring 18, extension spring 18 can keep aiming at slider 13 an elastic clamping force all the time.

As shown in fig. 4, a non-slip pad 17 for cooperatively holding the fuse body 19 is fixedly attached to the surface of the U-shaped column 16.

Through the rear-mounted non-slip mat 17, the non-slip mat 17 can be matched with the U-shaped columns 16, so that the clamping stability is improved, and the slipping cannot occur.

The working principle is as follows:

when the fuse protector is used, the two U-shaped columns 16 are pulled to drive the sliding block 13 to slide in the sliding groove 11, the through hole is matched and slides on the inner wall of the sliding hole 12, the tension spring 18 is stretched in tension at the moment, the clamping block 15 presses the U-shaped columns 16, the two U-shaped columns 16 are matched between porcelain bottle umbrella skirts of the fuse body 19, clamping and positioning are carried out through the anti-slip pad 17 on the surface, the conical screw 5 abuts against the top cover of the fuse protector tube, the conical screw 5 is rotated to press the connecting end cover 20 and the fuse body 19 under the mutual matching, and the connecting end cover 20 is pressed to overcome the elasticity of the splicing sheet 21 to be detached;

when the fuse is installed, the two U-shaped columns 16 are clamped into the surface of the porcelain insulator shed on the surface of the fuse body 19 to be installed, the conical screw 5 is contacted with the surface of the connecting end cover 20, and the connecting end cover 20 can be pressed into one end of the new fuse body 19 by rotating the conical screw 5 for installation;

after the nut clamping seat is used, the conical screw 5 is taken down, the square pipes 8 are immediately rotated, the square pipes 8 synchronously move on the surface of the pin shaft under the meshing action of the gears 9 on the surface, meanwhile, the U-shaped column 16 is pulled, the square pipes are movably folded on the surface of the clamping block 15 through the pin shaft, and finally, the nut clamping seat 3 moves through the hinge 2 and is attached to the surface of the supporting beam 1 to keep the whole body to be folded and stored.

Claims

1. A special fixture for replacement of a claw-type high-voltage fuse comprises a supporting beam (1) and is characterized in that a hinge (2) is fixedly connected to the upper surface of the supporting beam (1), the supporting beam (1) is hinged to a nut clamping seat (3) through the hinge (2), a supporting nut (4) is clamped on one side of the nut clamping seat (3) in a penetrating mode, and a conical screw (5) penetrates through the inner wall of the supporting nut (4);

supporting plates (6) are fixed to the upper side and the lower side of the right end of the supporting beam (1), opposite surfaces of the two supporting plates (6) are movably connected with two movable portions (7) through pin shafts, square tubes (8) are fixedly connected to the surfaces of the movable portions (7), limiting plates (10) used for limiting and supporting the square tubes (8) are fixedly connected to the surfaces of the supporting plates (6), and gears (9) in a mutually meshed state are fixed to the surfaces of the two movable portions (7);

the square tube is characterized in that a U-shaped column (16) is arranged above the square tube (8), and a fuse body (19) clamped by the two U-shaped columns (16) is arranged above the supporting beam (1).

2. The special fixture for claw type high-voltage fuse replacement as recited in claim 1, wherein the fuse body (19) is provided with connecting end covers (20) at both sides, and the surface of each connecting end cover (20) is provided with a connecting sheet (21) through a screw.

3. The special fixture for replacement of the claw-type high-voltage fuse protector as claimed in claim 1, wherein a sliding groove (11) is formed in an inner wall of the square tube (8), a sliding hole (12) is formed in an upper surface of an inner wall of the sliding groove (11) in a penetrating manner, a sliding block (13) is connected to an inner wall of the sliding groove (11) in a sliding manner, a fixture block (15) is fixedly connected to an upper surface of the sliding block (13), and a surface of the fixture block (15) is movably connected with an inner wall of a corresponding U-shaped column (16) through a pin shaft.

4. The special fixture for replacement of the claw-type high-voltage fuse as claimed in claim 3, wherein a groove (14) for matching with the sliding hole (12) to be embedded and slide is formed in the surface of the sliding block (13), a tension spring (18) is fixedly connected to the inner wall of the sliding groove (11), and the other end of the tension spring (18) is fixedly connected to the surface of the sliding block (13).

5. The special fixture for replacement of the claw-type high-voltage fuse is characterized in that a non-slip pad (17) used for cooperatively clamping the fuse body (19) is fixedly connected to the surface of the U-shaped column (16).