CN220341879U - Bus power failure preventing device for disassembling 10KV static contact - Google Patents

Abstract

The utility model relates to a device for avoiding bus power failure by disassembling 10KV fixed contacts, which comprises a high-voltage cabinet bus sealing plate, magnets, a handle, an upper baffle and a lower baffle, wherein the magnets are respectively embedded into four corners of the high-voltage cabinet bus sealing plate, the handle is arranged on two sides of the plane of the high-voltage cabinet bus sealing plate, the high-voltage cabinet bus sealing plate is respectively provided with a bus fixed contact and a line side fixed contact through hole, the upper baffle is arranged to cover the bus fixed contact through hole, the lower baffle is arranged to cover the line side fixed contact through hole, the upper baffle and the lower baffle are respectively arranged adjacently to three baffles with the same size, and are arranged on the high-voltage cabinet bus sealing plate through slide ways, and the high-voltage cabinet bus sealing plate and all components arranged on the high-voltage cabinet bus sealing plate are all made of insulating materials; when the device is used for overhauling the line side fixed contact, the 10KV bus is not required to have power failure to solve frequent switching operation, misoperation is avoided, overhauling time is shortened by more than 50%, and personal safety of overhauling operators is guaranteed.

Description

Bus power failure preventing device for disassembling 10KV static contact

Technical Field

The utility model relates to the technical field of high-voltage equipment, in particular to a device for avoiding bus power failure by disassembling a 10KV fixed contact.

Background

When the 10KV centrally installed switchgear overhauls the line side fixed contact, the original line side and bus side linkage baffles of the switchgear are simultaneously opened, the live fixed contact on the bus side is exposed to the outside, so that an operator overhauling the line side fixed contact is easy to cause an electric shock accident, if the bus is stopped, unnecessary loss is caused to production, and in view of the situation, the 10KV bus is prevented from being powered off when the special insulating device is installed in the switchgear to avoid overhauling, and the safety of the operator is ensured to prevent the electric shock accident.

The Chinese patent with the publication number of CN202586174U discloses a 10kV distribution line live working electric shock prevention insulating baffle, two main insulating plates are oppositely arranged, a sliding clamp is fixed on the edge of one main insulating plate on one side, a clamping channel is arranged at the position, corresponding to the sliding clamp, of the edge of the other main insulating plate, a buckle plate is respectively arranged on the opposite outer sides of the two main insulating plates through a buckle plate shaft, a notch is arranged on the buckle plate, a combined groove is respectively arranged on the upper parts of the two main insulating plates, a buckling mark is arranged on the upper sides of the middle parts of the auxiliary insulating plates, a combined rod is fixed on one side of the buckling mark through a rivet, a clamp with a gap is fixed on the combined rod through a screw, a fastening bolt is arranged on the upper part of the clamp, and a bayonet is arranged between the two clamps; the insulating baffle can be combined to generate insulating isolation for the electrified line and accessories, so that the electric shock phenomenon of operators can be prevented, and the insulating baffle is suitable for being used as an insulating tool for overhauling the distribution line and distribution equipment; however, the device is mainly applied to replacing the isolating switch, and the electrified static contact on the bus side is still easy to be exposed after the two insulating plates are separated when the 10KV static contact is dismounted.

Disclosure of Invention

The utility model provides a bus power failure preventing device for disassembling a 10KV fixed contact, which is used for avoiding frequent switching operation without power failure when a line side fixed contact is overhauled, avoiding misoperation, shortening overhauling time by more than 50%, and ensuring personal safety of overhauling operators.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a dismantle 10KV static contact and avoid generating line power failure device, includes high-voltage cabinet generating line shrouding, magnet, handle, overhead gage and lower baffle, magnet imbeds respectively in the four corners department of high-voltage cabinet generating line shrouding, and the handle setting is in the plane both sides of high-voltage cabinet generating line shrouding, and it has generating line static contact and circuit side static contact through-hole to open respectively on the high-voltage cabinet generating line shrouding, and the overhead gage sets up to cover generating line static contact through-hole, and lower baffle sets up to cover circuit side static contact through-hole, overhead gage and lower baffle are three same size's baffle adjacently installation respectively, all subassemblies on high-voltage cabinet generating line shrouding and the high-voltage cabinet generating line shrouding are insulating material.

Further, the bus sealing plate of the high-voltage cabinet is rectangular, the thickness of the bus sealing plate is 12-15 mm, and the upper end of the bus sealing plate of the high-voltage cabinet is provided with a preformed hole for hanging an insulating rod.

Further, the diameter of the reserved hole is 12-15 mm, and the depth is 6-8 mm.

Further, the upper baffle and the lower baffle are all installed on the bus sealing plate of the high-voltage cabinet through the slide way, the slide way is installed on the bus sealing plate of the high-voltage cabinet through the insulating screw, and the upper baffle and the lower baffle are installed on the bus sealing plate of the high-voltage cabinet through the slide way in a pulling way.

Further, the magnet is a strong magnet.

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

1) When the line side fixed contact is overhauled, the 10KV bus does not need to have power failure to solve frequent switching operation, so that misoperation is avoided;

2) The maintenance time is shortened by more than 50%, and the personal safety of maintenance operators is ensured.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a left side view of the present utility model.

Fig. 3 is a perspective view of the present utility model.

In the figure: 1. high-voltage cabinet bus sealing plate 2, magnet 3, handle 4, upper baffle 5, lower baffle 6, preformed hole 7, through hole 8 and screw

Detailed Description

The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:

see fig. 1, 2 and 3 for front views of the present utility model. The utility model discloses a device for avoiding bus power failure by disassembling 10KV fixed contacts, which comprises a high-voltage cabinet bus sealing plate 1, a magnet 2, a handle 3, an upper baffle 4 and a lower baffle 5, wherein the magnet 2 is a strong magnet and is respectively embedded into four corners of the high-voltage cabinet bus sealing plate 1, the high-voltage cabinet bus sealing plate 1 is designed into a rectangular insulating sealing plate with the height of 950mm, the width of 900mm and the thickness of 12mm, the upper end of the high-voltage cabinet bus sealing plate 1 is provided with a preformed hole 6 for hanging an insulating rod, the diameter of the preformed hole 6 is 12mm, the depth is 6mm, the handle 3 is arranged on two sides of the plane of the high-voltage cabinet bus sealing plate 1, the high-voltage cabinet bus sealing plate 1 is respectively provided with a bus fixed contact and a line side fixed contact through hole 7, the upper baffle 4 is arranged to cover the bus fixed contact through hole 7, the lower baffle 5 is arranged to cover the line side fixed contact through hole 7, the upper baffle 4 and the lower baffle 5 are respectively arranged adjacently to three baffles with the same size, and are arranged on the high-voltage cabinet bus 1 through slide rails, the slide rails are arranged on the high-voltage cabinet bus sealing plate 1, the slide rails are arranged on the high-voltage cabinet bus sealing plate 1, the bus 1 and all made of insulating components of the high-voltage cabinet bus 1.

Furthermore, the positions of the three baffles of the upper baffle 4 correspond to the positions of the bus A phase static contact, the bus B phase static contact and the bus C phase static contact respectively, and the three baffles are arranged on the bus sealing plate 1 of the high-voltage cabinet in a drawing manner through a slideway.

Further, the positions of the three baffles of the lower baffle 5 correspond to the positions of the line side A phase static contact, the line side B phase static contact and the line side C phase static contact respectively, and the three baffles are installed on the bus sealing plate 1 of the high-voltage cabinet in a drawing manner through a slideway.

The operation steps of the device are as follows:

1. the operator wears the high-voltage insulation articles, and the operator pays attention to keep a safe distance from the charged body;

2. operating the high-voltage cabinet to expose the bus side and line side fixed contacts, and performing test discharge on the line side fixed contacts to be overhauled;

3. when the device is installed, the handle 3 is held by hand to push the device to the position of the fixed contact corresponding to the switch cabinet, the strong magnet 2 is automatically adsorbed on the iron panel of the high-voltage cabinet within the adsorption distance of the magnet 2, or an insulating rod hung on the preformed hole 6 can be used to hook the contact arm at the front end into the preformed hole 6 to push the device to be installed;

4. when the B-phase fixed contact on the line side is overhauled, the corresponding A-phase baffle and B-phase baffle of the lower baffle plate 5 slide out through the slide way, then the A-phase baffle plate is installed back to the position of the A-phase fixed contact along the slide way, the B-phase fixed contact through hole 7 and the B-phase fixed contact are exposed, and foreign matters can be prevented from falling into other phase holes during overhauling, so that safety equipment accidents are avoided;

5. and when the power generation accords with the faults of the bus side fixed contacts, all the lower dispatching baffles are blocked, and the corresponding phase baffles of the upper baffle 4 are pulled out to maintain the corresponding phase fixed contacts.

6. When the device is disassembled, the handle 3 is held by hand for disassembly, or an insulating rod is used, and the contact arm at the front end of the insulating rod is hooked into the preformed hole 6 to take down the device;

7. the device is put into use after withstand voltage test, and experimental detection is carried out periodically according to insulation tools each year.

The above examples are implemented on the premise of the technical scheme of the present utility model, and detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the above examples. The methods used in the above examples are conventional methods unless otherwise specified.

Claims (5)

1. The utility model provides a dismantle 10KV static contact and avoid generating line power failure device, its characterized in that, including high-voltage cabinet generating line shrouding, magnet, handle, overhead gage and lower baffle, magnet imbeds respectively in the four corners department of high-voltage cabinet generating line shrouding, and the handle sets up in the plane both sides of high-voltage cabinet generating line shrouding, and it has generating line static contact and circuit side static contact through-hole to open respectively on the high-voltage cabinet generating line shrouding, and the overhead gage sets up to cover generating line static contact through-hole, and lower baffle sets up to cover circuit side static contact through-hole, overhead gage and lower baffle are three same size's baffle and neighbor the installation respectively, all subassemblies on high-voltage cabinet generating line shrouding and the high-voltage cabinet generating line shrouding are insulating material.

2. The device for avoiding bus power failure by disassembling a 10KV fixed contact according to claim 1, wherein the bus sealing plate of the high-voltage cabinet is rectangular and has a thickness of 12-15 mm, and a preformed hole for hanging an insulating rod is formed in the upper end of the bus sealing plate of the high-voltage cabinet.

3. The device for avoiding bus power failure by disassembling a 10KV fixed contact according to claim 2, wherein the diameter of the reserved hole is 12-15 mm, and the depth is 6-8 mm.

4. The device for avoiding bus power failure by disassembling a 10KV fixed contact according to claim 1, wherein the upper baffle and the lower baffle are both installed on a bus sealing plate of a high-voltage cabinet through a slideway, the slideway is installed on the bus sealing plate of the high-voltage cabinet through an insulating screw, and the upper baffle and the lower baffle are installed on the bus sealing plate of the high-voltage cabinet through slideway drawing.

5. The device for avoiding bus power failure by disassembling a 10KV fixed contact according to claim 1, wherein the magnet is a strong magnet.