CN215451322U

CN215451322U - Installation mechanism for drop-out fuse

Info

Publication number: CN215451322U
Application number: CN202121853766.6U
Authority: CN
Inventors: 江忠
Original assignee: Nantong Huadian Copper Co ltd
Current assignee: Nantong Huadian Copper Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-07
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses an installation mechanism for a drop fuse, which comprises a clamping device, wherein a supporting rod is fixedly connected to the side surface of the clamping device, two hoops are fixedly connected to the side surface of the other end of the supporting rod, so that the drop fuse can be stably installed on equipment, a connecting piece on the drop fuse can be stably installed on the clamping device through a spring, a connecting rod, a clamping block and a clamping plate, and a clamping mechanism designed by the clamping device does not use bolts and nuts.

Description

Installation mechanism for drop-out fuse

Technical Field

The utility model relates to the technical field of drop-out fuses, in particular to an installation mechanism for a drop-out fuse.

Background

The drop-out fuse is the most commonly used short-circuit protection switch for 10kV distribution line branch lines and distribution transformers, has the characteristics of economy, convenient operation, strong adaptability to outdoor environment and the like, is widely applied to the primary side of 10kV distribution lines and distribution transformers for protection and equipment switching and switching operation, has three widely used outdoor drop-out fuses of the types of RW7, RW11 and RW12, cannot correctly act in a real 10kV line system and on the distribution transformers, and has the following reasons of poor quality of electricians, low responsibility, no maintenance and overhaul of the drop-out fuse all the year round, and has the following reasons of low product quality, no flexible pulling and closing operation, reduced functions of the drop-out fuse due to the two reasons, and lack of fusion tubes, fusion bodies or copper wires in reality, The aluminum wire even the iron wire is hooked and hung to replace the fuse-element, so that the tripping rate of the circuit and the fault rate of the distribution transformer are high, the existing drop-out fuse mounting device is inconvenient to mount and dismount, is not easy to operate, is easy to generate danger after long-time working, and has potential safety hazards.

In the prior art, the following problems exist:

the existing drop-out fuse mounting device is inconvenient to mount and dismount, the mounting plate is located at the position where the double-rod mounting frame is higher, workers need to dismount and assemble the mounting plate and the fusing plate at high altitude when mounting and replacing the drop-out fuse, and the process is inconvenient to operate and high in danger coefficient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a mounting mechanism for a drop out fuse, which solves the above-mentioned problems of the prior art.

The technical scheme of the utility model is as follows: a mounting mechanism for a drop out fuse comprises a clamping mechanism and a connecting piece, wherein the clamping mechanism comprises a supporting plate, the top of the supporting plate is symmetrically provided with two through hole supporting columns which penetrate to the bottom, the two through hole supporting columns are jointly connected with a clamping plate in a sliding way, a first through hole is arranged in the center of the supporting plate, the top of the first through hole penetrates through the bottom of the supporting plate, the bottom of the supporting plate is fixedly connected with a bottom plate, the bottom of the supporting plate is fixedly connected with a second spring which passes through the first through hole and is fixedly connected with the top of the bottom plate, three round holes are arranged on the bottom plate, the bottom of the clamping plate is fixedly connected with a second guide rod, the other end of the second guide rod passes through the round hole and is fixedly connected with a connecting rod, the connecting piece is fixedly connected with a drop-out fuse, two second through holes are symmetrically formed in the connecting piece, and the two second through holes are arranged corresponding to the two through hole supporting columns.

Preferably, the two through hole pillars are internally provided with supporting blocks, the tops of the two sides of each supporting block are symmetrically and rotatably connected with a clamping block through a rotating shaft, a third spring is fixedly connected between the two clamping blocks, the bottoms of the two supporting blocks are fixedly connected with first springs, the bottoms of the two first springs are fixedly connected to a bottom plate, the bottoms of the two supporting blocks are fixedly connected with first guide rods, and the two first guide rods penetrate through round holes and are fixedly connected to a connecting rod.

Preferably, the bottom of the bottom plate is symmetrically and fixedly connected with two torsion blocks.

Preferably, one side fixedly connected with bracing piece of clamping mechanism, clamping mechanism's one side fixedly connected with first clamp and second clamp are kept away from to the other end of bracing piece.

Preferably, the bottom of the connecting rod is fixedly connected with a pull handle.

The utility model provides a mounting mechanism for a drop out fuse by improvement, compared with the prior art, the mounting mechanism has the following improvements and advantages:

compared with the existing installation device, the installation device has the advantages that through the structural design of the spring, the connecting rod, the clamping block and the clamping plate, the clamping mechanism does not use bolts and nuts, the use is convenient, the integral structural design can greatly shorten the installation and disassembly time, and the potential safety hazard caused by forgetting to install and mistakenly install fixed parts during installation is prevented.

Drawings

The utility model is further explained below with reference to the figures and examples:

FIG. 1 is a schematic view of the clamping mechanism of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of a drop-out fuse;

FIG. 4 is a schematic view of the internal structure of the through-hole pillar of the present invention;

FIG. 5 is a top view of the clamping mechanism of the present invention;

fig. 6 shows a schematic view of the structure of the clamp of the present invention.

Description of reference numerals: 1. a clamping mechanism; 2. a support bar; 3. a first clamp; 4. a second clamp; 5. A through hole pillar; 6. a clamping plate; 7. a first spring; 8. a support plate; 9. a first guide bar; 10. a second guide bar; 11. a second spring; 12. a connecting rod; 13. pulling a handle; 14. a first through hole; 15. twisting and blocking; 16. A clamping block; 18. a support block; 19. a base plate; 20. a third spring; 23. a drop-out fuse; 24. a connecting member; 25. a second via.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a mounting mechanism for a drop out fuse through improvement, and the technical scheme of the mounting mechanism is as follows:

the first embodiment is as follows:

as shown in fig. 1-6, an installation mechanism for a drop out fuse comprises a clamping mechanism 1 and a connecting member 24, wherein the clamping mechanism 1 comprises a support plate 8, two through hole pillars 5 penetrating to the bottom are symmetrically arranged on the top of the support plate 8, a clamping plate 6 is connected to the two through hole pillars 5 in a sliding manner, a first through hole 14 penetrating from the top to the bottom is formed in the center of the support plate 8, a bottom plate 19 is fixedly connected to the bottom of the support plate 8, a second spring 11 is fixedly connected to the bottom of the support plate 8, the second spring 11 penetrates through the first through hole 14 and is fixedly connected to the top of the bottom plate 19, three circular holes are formed in the bottom plate 19, a second guide rod 10 is fixedly connected to the bottom of the clamping plate 6, the other end of the second guide rod 10 penetrates through the circular hole and is fixedly connected to a connecting rod 12, and the connecting member 24 is fixedly connected to a drop out fuse 23, two second through-holes 25, two have been seted up to the symmetry on connecting piece 24 second through-hole 25 corresponds the setting with two through-hole pillar 5, and the position correspondence of two second through-holes 25 and two through-hole pillar 5 is favorable to more stable accurate installation in the installation, makes it can not rock the stability that improves the device, and grip block 6 makes it have ascending effort through the second spring 11 of bottom, can press from both sides tightly connecting piece 24, makes it can not rock.

Furthermore, supporting blocks 18 are arranged inside the two through hole pillars 5, the upper parts of the two sides of the two supporting blocks 18 are symmetrically and rotatably connected with clamping blocks 16 through rotating shafts, a third spring 20 is fixedly connected between the two clamping blocks 16, the bottoms of the two supporting blocks 18 are fixedly connected with first springs 7, the bottoms of the two first springs 7 are fixedly connected with a bottom plate 19, the bottoms of the two supporting blocks 18 are fixedly connected with first guide rods 9, the two first guide rods 9 penetrate through circular holes and are fixedly connected with a connecting rod 12, the two clamping blocks 16 cannot be opened due to the limiting of the through hole pillars 5, move upwards under the action of the first springs 7 and are separated from the constraint of the through hole pillars 5, due to the acting force of the third springs 20, the clamping blocks 16 are pushed to be opened to be matched with the clamping plates 6 to clamp the connecting pieces 24, and the integrated structure design can further realize clamping and releasing, the installation and the disassembly are very convenient.

Furthermore, two torsion bars 15 are symmetrically and fixedly connected to the bottom of the bottom plate 19, and when the weight of the drop-out fuse 23 is too large and the elastic force of the second spring 11 at the bottom cannot clamp the fuse, the torsion bars 15 can be rotated to assist clamping.

Further, one side fixedly connected with bracing piece 2 of clamping mechanism 1, the first clamp 3 of one side fixedly connected with and second clamp 4 of clamping mechanism 1 are kept away from to the other end of bracing piece 2, and first clamp 3 and second clamp 4 can be fixed on equipment, and two simultaneous actions enable it more stable.

Further, the bottom of the connecting rod 12 is fixedly connected with a pull handle 13, and the pull handle 13 is pulled to drive the connecting rod 12 to perform mounting and dismounting work.

The working principle is as follows: firstly, pulling the pull handle 13 to drive the connecting rod 12 to move downwards, further driving the first guide rod 9 and the second guide rod 10 to drive the clamping plate 6 and the supporting block 18 to move downwards, driving the clamping block 16 to move downwards by the supporting block 18 so as to contract, then putting the connecting piece 24 on the drop-out fuse 23 into the clamping mechanism 1 through the second through hole 25 in a matched mode, then loosening the pull handle 13, lifting the clamping plate 6 and the supporting block 18 to further open the clamping block 16, clamping the connecting piece 24 through the clamping block 16 and the clamping plate 6 in a matched mode, and if the weight is too large and the connecting piece cannot be clamped through the second spring 11, twisting the twist stop 15 to clamp the connecting rod 12 to enable the connecting rod to be clamped.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mounting mechanism for a drop out fuse comprising a clamping mechanism (1) and a connector (24), characterized in that: the clamping mechanism (1) comprises a supporting plate (8), two through hole supporting columns (5) penetrating to the bottom are symmetrically arranged at the top of the supporting plate (8), a clamping plate (6) is connected to the two through hole supporting columns (5) in a sliding mode, a first through hole (14) penetrating from the top to the bottom is formed in the center of the supporting plate (8), a bottom plate (19) is fixedly connected to the bottom of the supporting plate (8), a second spring (11) is fixedly connected to the bottom of the supporting plate (8), the second spring (11) penetrates through the first through hole (14) and is fixedly connected to the top of the bottom plate (19), three round holes are formed in the bottom plate (19), a second guide rod (10) is fixedly connected to the bottom of the clamping plate (6), the other end of the second guide rod (10) penetrates through the round hole and is fixedly connected with a connecting rod (12), and a drop-out fuse (23) is fixedly connected to the connecting piece (24), two second through holes (25) are symmetrically formed in the connecting piece (24), and the two second through holes (25) are arranged corresponding to the two through hole supporting columns (5).

2. A mounting mechanism for a drop fuse as claimed in claim 1, wherein: the two through hole pillars (5) are internally provided with supporting blocks (18), the tops of two sides of the two supporting blocks (18) are respectively and symmetrically connected with a clamping block (16) in a rotating mode through a rotating shaft, a third spring (20) is fixedly connected between the two clamping blocks (16), a first spring (7) is fixedly connected to the bottom of the two supporting blocks (18), the bottom of the two first springs (7) is fixedly connected to a bottom plate (19) jointly, a first guide rod (9) is fixedly connected to the bottom of the two supporting blocks (18), and the two first guide rods (9) penetrate through circular holes and are fixedly connected to a connecting rod (12).

3. A mounting mechanism for a drop fuse as claimed in claim 1, wherein: the bottom of the bottom plate (19) is symmetrically and fixedly connected with two torsion blocks (15).

4. A mounting mechanism for a drop fuse as claimed in claim 1, wherein: one side fixedly connected with bracing piece (2) of clamping mechanism (1), the first clamp (3) of one side fixedly connected with and second clamp (4) of clamping mechanism (1) are kept away from to the other end of bracing piece (2).

5. A mounting mechanism for a drop fuse as claimed in claim 1, wherein: the bottom of the connecting rod (12) is fixedly connected with a pull handle (13).