CN214477307U

CN214477307U - Portable fuse dismounting device

Info

Publication number: CN214477307U
Application number: CN202120470498.3U
Authority: CN
Inventors: 潘秋甫; 程波; 吴高强
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-10-22
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a portable fuse disassembling device, which comprises a hollow sleeve with an opening at one end, wherein a connecting rod is arranged in the sleeve and is in sliding fit with the inner wall of the sleeve; one end of the connecting rod, which is close to the opening of the sleeve, is connected with a clamping device to be matched with the fuse protector; the other end of the connecting rod is connected with a discharging wiring pile. The device has solved current fuse extracting tool use steps loaded down with trivial details, and the application of force is inconvenient, be injured easily, and the durability is poor, the easy problem that becomes invalid of deformation, has simple structure, convenient to use, can dismantle the fuse fast, and not fragile equipment's characteristics.

Description

Portable fuse dismounting device

Technical Field

The utility model belongs to excitation system overhauls the equipment field, in particular to portable fuse dismounting device.

Background

In a power plant excitation measurement system, an excitation anode overvoltage protection switch device is used as a direct protection element and is a very important element; in the application scene of a generator set excitation system, an excitation anode overvoltage protection switch device is widely used; the structure of the existing fuse disassembling device is shown in the attached figure 3 of the specification, and the existing fuse disassembling device is composed of a grab handle, a connecting plate, a first clamping groove and a second clamping groove; in practical use, electricity is usually required to be tested, and then the safety sheet is clamped in the first clamping groove and the second clamping groove by using the existing fuse disassembling device and is pulled out forcibly; in the pulling-out process, the handle is short, so that labor is wasted in the pulling-out process, the force is improperly controlled, and the handle is easy to be injured; and the dismounting device body takes place deformation easily in long-term use, leads to the difficult tighten of draw-in groove, needs test the electricity earlier again, and is loaded down with trivial details on the flow, reduces work efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem that a portable fuse dismounting device is provided, the device has solved that current fuse dismounting tool use steps are loaded down with trivial details, and the application of force is inconvenient, easy injured, and the durability is poor, and the problem of easy deformation inefficacy has simple structure, convenient to use, can dismantle the fuse fast, and not fragile equipment's characteristics.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a portable fuse disassembling device comprises a hollow sleeve with an opening at one end, wherein a connecting rod is arranged in the sleeve and is in sliding fit with the inner wall of the sleeve; one end of the connecting rod, which is close to the opening of the sleeve, is connected with a clamping device to be matched with the fuse protector; the other end of the connecting rod is connected with a discharging wiring pile.

Preferably, the connecting rod and the clamping device are made of conductive materials, and therefore the grounding operation is convenient to conduct through the wiring leading-out of the discharging wiring pile.

Preferably, a first handle is connected to the upper part of the outer surface of the sleeve; the sleeve outer wall below the first handle is provided with a through chute.

Preferably, one end of the connecting rod, which is positioned in the sleeve, is connected with a second handle, and two ends of the second handle penetrate through the sliding groove and extend out of the sleeve.

Preferably, the clamping device comprises a first clamping arm and a second clamping arm; one end of the first clamping arm is hinged to one end of the second clamping arm through a rotating shaft, the rotating shaft is sleeved on the outer surface of the connecting shaft, and the outer surface of the connecting shaft is connected with the bottom end of the connecting rod.

Preferably, the first clamping arm and the second clamping arm are both plate-shaped structures bent at the vertex, and the other ends of the first clamping arm and the second clamping arm are in interference fit.

Preferably, the distance between the apexes of the first and second clip arms is greater than the diameter of the sleeve end opening; along with the ascending of connecting rod, first arm lock and second arm lock can be blocked the extrusion by the sleeve lower surface to move towards each other and form the centre gripping.

Preferably, a spring is connected to one side of the first clamping arm opposite to one side of the second clamping arm.

The utility model has the advantages that:

1. the device body is provided with the discharging wiring pile, so that the lead can be grounded when the device is used, and the electric shock risk is avoided;

2. the device body is clamped by utilizing extrusion generated between the clamping device and the end part of the sleeve when the clamping device slides, so that enough clamping force can be kept as long as the hand-held part of an operator is not loosened, the structure is stable, and failure caused by equipment deformation after long-term use is avoided;

3. the process of utilizing the draw-in groove butt joint installation has been removed from, utilizes handheld pressurization of clamping device to carry out the centre gripping, and the operation is very convenient, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic structural view of a conventional fuse removing apparatus in the prior art;

the reference numbers in the figures are: the discharging terminal comprises a hollow sleeve 1, a first handle 11, a sliding groove 12, a connecting rod 2, a second handle 21, a discharging wiring pile 3, a first clamping arm 41, a second clamping arm 42, a vertex 43, a rotating shaft 5, a connecting shaft 6, a spring 7, a grab handle 71, a connecting plate 72, a first clamping groove 73 and a second clamping groove 74.

Detailed Description

As shown in fig. 1-2, a portable fuse disassembling device comprises a hollow sleeve 1 with an opening at one end, a connecting rod 2 arranged inside the sleeve and slidably engaged with the inner wall of the sleeve; one end of the connecting rod 2 close to the opening of the sleeve is connected with a clamping device to be matched with the fuse; the other end of the connecting rod 2 is connected with a discharging wiring pile 3; the sleeve is made of high-strength insulating resin.

Preferably, the connecting rod 2 and the clamping device are both made of conductive materials, so that the connecting rod and the clamping device are conveniently connected and led out through the discharging wiring piles 3 for grounding.

Preferably, a first handle 11 is connected to the upper part of the outer surface of the sleeve; the outer wall of the sleeve below the first handle 11 is provided with a through chute 12.

Further, the outer surfaces of the first handle 11 and the second handle 21 are wrapped with an insulating material.

Preferably, one end of the connecting rod 2 located in the sleeve is connected with a second handle 21, and two ends of the second handle 21 penetrate through the sliding grooves 12 and extend out of the sleeve.

Preferably, the clamping device comprises a first clamping arm 41 and a second clamping arm 42; one end of the first clamping arm 41 is hinged to one end of the second clamping arm 42 through a rotating shaft 5, the rotating shaft 5 is sleeved on the outer surface of the connecting shaft 6, and the outer surface of the connecting shaft 6 is connected with the bottom end of the connecting rod 2.

Preferably, the first clamping arm 41 and the second clamping arm 42 are both of a plate-shaped structure bent at a vertex 43, the other ends of the first clamping arm 41 and the second clamping arm 42 are in interference fit, and the contact surfaces are both rough fracture surfaces with grains.

Preferably, the distance between the apexes 43 of the first and

second clamp arms

41, 42 is greater than the diameter of the sleeve end opening; as the connecting rod 2 ascends, the first clamping arm 41 and the second clamping arm 42 can be blocked and pressed by the lower surface of the sleeve, so that the first clamping arm and the second clamping arm move towards each other to form clamping.

Preferably, a spring 7 is connected to a side of the first and second clamping

arms

41 and 42 opposite to each other.

The working principle of the portable fuse dismounting device is as follows:

firstly, the discharge wiring pile 3 arranged at the upper end of the connecting rod 2 is used for wiring and leading out and is grounded outwards, so that the discharge purpose is achieved; secondly, with the second handle 21 between connecting rod 2 and the sleeve to the sleeve top removes to drive clamping device through connecting axle 6 and remove to the sleeve top in step, when first arm lock 41 and second arm lock 42 move and contact sleeve bottom terminal surface, first arm lock 41 and second arm lock 42 surface receive the extrusion and slide, and clamping device compression spring 7 is inwards packed up, thereby produces clamping-force, can conveniently press from both sides out the fuse switch.

As shown in fig. 3, the fuse disassembling device in the prior art includes a handle 71, a connecting plate 72, a first card slot 73 and a second card slot 74, and when in use, the card slots need to be clamped with the fuse pieces, and electricity testing needs to be performed in advance, so that the operation is complicated; the pulling-out process is labor-consuming, and the clamping groove is easy to deform after long-term use, so that the clamping groove is not easy to tighten; compared with the prior art, the device can effectively avoid the problems, and is convenient to use, safe and efficient.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. A portable fuse dismounting device which is characterized in that: the device comprises a hollow sleeve (1) with an opening at one end, wherein a connecting rod (2) is arranged in the sleeve (1) and is in sliding fit with the inner wall of the sleeve (1); one end of the connecting rod (2) close to the opening of the sleeve (1) is connected with a clamping device to be matched with the fuse protector; the other end of the connecting rod (2) is connected with a discharging wiring pile (3).

2. A portable fuse detachment apparatus as set forth in claim 1, wherein: the upper part of the outer surface of the sleeve (1) is connected with a first handle (11); the outer wall of the sleeve (1) below the first handle (11) is provided with a through chute (12).

3. A portable fuse detachment apparatus as set forth in claim 1, wherein: one end of the connecting rod (2) located in the sleeve is connected with a second handle (21), and two ends of the second handle (21) penetrate through the sliding grooves (12) and extend out of the sleeve (1).

4. A portable fuse detachment apparatus as set forth in claim 1, wherein: the clamping device comprises a first clamping arm (41) and a second clamping arm (42); one end of the first clamping arm (41) is hinged to one end of the second clamping arm (42) through a rotating shaft (5), the rotating shaft (5) is sleeved on the outer surface of the connecting shaft (6), and the outer surface of the connecting shaft (6) is connected with the bottom end of the connecting rod (2).

5. A portable fuse detachment apparatus as set forth in claim 4, wherein: the first clamping arm (41) and the second clamping arm (42) are both of plate-shaped structures bent at a vertex (43), and the other ends of the first clamping arm (41) and the second clamping arm (42) are in interference fit.

6. A portable fuse detachment apparatus as set forth in claim 4, wherein: the distance between the vertexes (43) of the first clamping arm (41) and the second clamping arm (42) is larger than the diameter of the end opening of the sleeve (1).

7. A portable fuse detachment apparatus as set forth in claim 4, wherein: and one side of the first clamping arm (41) opposite to one side of the second clamping arm (42) is connected with a spring (7).