CN219658652U - Outdoor high-voltage fuse of replacement fusion tube is dismantled to instrument of exempting from - Google Patents

Abstract

The utility model relates to the technical field of fuses, in particular to an outdoor high-voltage fuse with a fuse tube replaced without tool disassembly, which comprises the following components: the support porcelain bottle is provided with a melting pipe insertion hole along the axial direction at the center, and the outer walls of the two ends of the support porcelain bottle are provided with threaded connectors; the quantity of wiring end caps is two sets of and connects in the both ends that support the vase respectively, sets up on the wiring end cap with threaded connection head size looks adaptation and threaded connection's threaded connection groove, all installs a plurality of even equidistance on the outer wall of every wiring end cap and is the terminal of annular arrangement. According to the utility model, through the wiring end caps arranged at the two ends of the support porcelain bottle, when the high-voltage fuse tube is disassembled after fusing, the screw is not loosened, so that the time for disassembling the high-voltage fuse is greatly shortened, and when the high-voltage fuse is replaced, the bolt is not required to be loosened, so that a great amount of time and energy are consumed, the replacement is convenient, the fuse tube can be disassembled and replaced without tools, the cost is saved, and the workload of operators is reduced.

Description

Outdoor high-voltage fuse of replacement fusion tube is dismantled to instrument of exempting from

Technical Field

The utility model relates to the technical field of fuses, in particular to an outdoor high-voltage fuse with a fuse tube replaced without tool disassembly.

Background

At present, in a 10-35kV medium-low voltage distribution network, a fixed voltage transformer high-voltage fuse installed outdoors in a transformer substation is often subjected to the conditions of fusing the high-voltage fuse caused by grounding, resonance, voltage transformer faults and the like in operation. The existing fixed high-voltage fuse is mostly of a bolt-fixed type and a spring-pressed type, a great amount of time is required to be consumed for disassembling when a melt is replaced, after a new melt is replaced, when a fixing bolt is installed, the fuse can be installed in place very difficultly because the bolt is larger by the elasticity of a pressing spring, at least two people can be installed in situ after taking several hours together during installation, and the situation that the drainage wire cannot be installed and reinstalled again because the installation position of the wiring end cap is not corresponding is frequently caused, a great amount of labor is required to be consumed when the high-voltage fusion tube is replaced, and potential safety hazards are caused because the power failure time of the voltage transformer is overlong.

Disclosure of Invention

The utility model aims to provide an outdoor high-voltage fuse capable of replacing a fusion tube without tool disassembly, so as to solve the problems that a great deal of manpower is required to be consumed and potential safety hazards are caused by overlong power failure time of a voltage transformer when the high-voltage fusion tube is replaced in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an outdoor high voltage fuse of tool-less disassembly replacement fusion tube, comprising:

the support porcelain bottle is provided with a fusion tube insertion hole along the axial direction at the center, and threaded connectors are arranged on the outer walls of the two ends of the support porcelain bottle;

the wiring end caps are two groups and are respectively connected to two end parts of the support porcelain bottle, threaded connecting grooves which are matched with the threaded connectors in size and are in threaded connection are formed in the wiring end caps, and a plurality of uniformly equidistant binding posts which are annularly arranged are arranged on the outer wall of each wiring end cap;

the high-pressure fusion pipe is matched with the fusion pipe plug hole in size in a plug-in mode.

Preferably, the length of the high-pressure melting pipe is 1-2cm longer than the length of the support porcelain bottle.

Preferably, a fixing head for being mounted on the high-voltage fuse holder is coaxially connected to an end portion of the terminal end cap, which is far away from the support porcelain bottle.

Preferably, the fixing head and the wiring end cap are of an integrated structure, and the fixing head is coaxially provided with a limiting hole.

Preferably, the terminal cap is made of an insulating material and is of a cylindrical structure.

Preferably, the number of the binding posts is 3-5 groups.

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

1. in this instrument-free outdoor high-voltage fuse of changing the fusion tube, through the wiring end cap that sets up at support vase both ends, when the high-voltage fuse is dismantled after fusing, need not loosen the screw again, shortened the time of dismantling the high-voltage fuse greatly, when changing the high-voltage fuse, need not take up a lot of time, energy again and expend the bolt, conveniently change, can avoid the instrument to dismantle the change fusion tube, save cost, reduce operating personnel's work load.

2. In this tool-free dismantles outdoor high-voltage fuse of changing the fusion tube, the terminal cap keeps away from the fixed head that supports the tip coaxial coupling on the high-voltage fuse holder that is used for installing, and fixed head and terminal cap are integrated into one piece structure, and coaxial spacing hole of having seted up on the fixed head, conveniently install or dismantle.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, however, the utility model.

FIG. 1 is a schematic view of an exploded construction of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model;

fig. 3 is a schematic view of the structure of the terminal cap of the present utility model.

Meaning of each reference numeral in the drawings:

10. supporting the porcelain bottle; 11. fusion pipe insertion holes; 12. a threaded connector;

20. a wiring end cap; 21. a threaded connection groove; 22. a fixed head; 23. a limiting hole; 24. binding posts;

30. a high pressure fusion pipe.

Detailed Description

The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

An outdoor high voltage fuse for tool-less replacement of a fusion tube, as shown in fig. 1-3, comprising: the support porcelain bottle 10, the center of the support porcelain bottle 10 is provided with a fusion tube jack 11 along the axial direction, and the outer walls of the two ends of the support porcelain bottle 10 are provided with threaded connectors 12; the wiring end caps 20 are two groups of wiring end caps 20 and are respectively connected to the two end parts of the support porcelain bottle 10, the wiring end caps 20 are provided with threaded connecting grooves 21 which are matched with the threaded connectors 12 in size and are in threaded connection, and the outer wall of each wiring end cap 20 is provided with a plurality of uniformly equidistant binding posts 24 which are annularly arranged; the high-pressure fuse tube 30, the high-pressure fuse tube 30 and the size looks adaptation of fuse tube jack 11 and both peg graft the cooperation, through the wiring end cap 20 that sets up at support vase 10 both ends, when the high-pressure fuse tube 30 melts the back and dismantles, need not loosen the screw again, the time of dismantling high-pressure fuse has been shortened greatly, when changing high-pressure fuse, need not take up a large amount of time, energy again and need not elasticity bolt, conveniently change, can exempt from the instrument to dismantle the change fuse tube, save cost, reduce operating personnel's work load.

It should be noted that the length of the high-pressure melting pipe 30 is 1-2cm longer than the length of the support porcelain bottle 10, and the stability of the high-pressure melting pipe 30 after installation is improved.

Further, the end part of the wiring end cap 20 far away from the support porcelain bottle 10 is coaxially connected with a fixing head 22 used for being installed on the high-voltage fuse holder, the fixing head 22 and the wiring end cap 20 are of an integrated structure, and a limiting hole 23 is coaxially formed in the fixing head 22, so that the installation or the disassembly is facilitated.

Specifically, the terminal cap 20 is made of an insulating material and has a cylindrical structure, and the number of the terminals 24 is 3 to 5.

The working principle of the outdoor high-voltage fuse with the fusion tube replaced without tool disassembly is as follows: during installation, an operator installs the wiring end cap 20 at one end of the support porcelain bottle 10, then inserts the high-voltage melting tube 30 into the support porcelain bottle 10 from the other end, and then connects the wiring end cap 20 to the support porcelain bottle 10 through threads, as shown in fig. 2, after the high-voltage melting tube 30 of the high-voltage fuse is damaged, the wiring end cap 20 at one end is taken down, and the internal high-voltage melting tube 30 is taken down for replacement.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. An outdoor high-voltage fuse of tool-free dismantlement change fusion tube, its characterized in that: comprising the following steps:

the support porcelain bottle (10), a melting pipe insertion hole (11) along the axial direction is formed in the center of the support porcelain bottle (10), and threaded connectors (12) are formed in the outer walls of the two ends of the support porcelain bottle (10);

the wiring end caps (20), the number of the wiring end caps (20) is two, the wiring end caps are respectively connected to the two end parts of the support porcelain bottle (10), the wiring end caps (20) are provided with threaded connecting grooves (21) which are matched with the threaded connectors (12) in size and are in threaded connection, and the outer wall of each wiring end cap (20) is provided with a plurality of uniformly equidistant binding posts (24) which are annularly arranged;

the high-pressure smelting pipe (30), the size phase fit and the grafting cooperation of two of high-pressure smelting pipe (30) with smelting pipe jack (11).

2. The tool-less outdoor high voltage fuse of replacement fuse tube of claim 1 wherein: the length of the high-pressure melting pipe (30) is 1-2cm longer than that of the support porcelain bottle (10).

3. The tool-less outdoor high voltage fuse of replacement fuse tube of claim 1 wherein: and a fixing head (22) which is used for being installed on the high-voltage fuse holder is coaxially connected with one end part of the wiring end cap (20) far away from the supporting porcelain bottle (10).

4. The tool-less outdoor high voltage fuse of replacement fuse tube of claim 3 wherein: the fixing head (22) and the wiring end cap (20) are of an integrated structure, and a limiting hole (23) is coaxially formed in the fixing head (22).

5. The tool-less outdoor high voltage fuse of replacement fuse tube of claim 1 wherein: the wiring end cap (20) is made of insulating materials and is of a cylindrical structure.

6. The tool-less outdoor high voltage fuse of replacement fuse tube of claim 1 wherein: the number of the binding posts (24) is 3-5 groups.