A temporary stabilizing device for isolating knife switch

Abstract

The utility model relates to the technical field of temporary stabilization equipment for isolation knife switches, specifically a temporary stabilization device for isolation knife switches, comprising a cross arm card plate, a connecting plate is integrally constructed on the outer circumference of the side end surface of the cross arm card plate, and a knife switch card plate corresponding to the cross arm card plate is integrally constructed on the end of the connecting plate away from the cross arm card plate; in the process of removing or installing the knife switch under power, the knife switch card plate is conveniently inserted into the empty space between two porcelain columns of the knife switch, and the cavity formed by the knife switch card plate, the connecting plate and the cross arm card plate is convenient for mutual clamping with the knife switch, and then the knife switch cross arm is conveniently clamped into the hollow position of the concave part of the cross arm card plate, which is convenient for temporary stabilization of the isolation knife switch, effectively liberating the hands of the operator, so that the operator can remove or install the knife switch more quickly, conveniently and labor-savingly, eliminating safety hazards, facilitating operation, reducing the physical consumption of operators, and improving safety performance during operation.

Description

Technical Field

[0001] The utility model relates to the technical field of temporary stabilizing equipment for isolation knife switches, in particular to a temporary stabilizing device for isolation knife switches. Background Art

[0002] With the rapid development of my country's power industry, the live working technology of 10kV distribution network has been widely used. The live working technology of 10kV distribution network refers to the maintenance, inspection, installation and replacement of equipment without power outage during the operation of the power grid. Compared with power outage operation, live working has the advantages of reducing power outage time, improving power supply reliability and ensuring power quality.

[0003] The isolating knife switch is a switch device that is mainly used for "isolating power supply, switching operation, connecting and disconnecting small current circuits" without arc extinguishing function. It is generally used as a high-voltage isolating switch, that is, an isolating switch with a rated voltage of more than 1kV. Its working principle and structure are relatively simple, but due to its large usage and high working reliability requirements, it has a great impact on the design, establishment and safe operation of substations, power plants, and distribution lines. Because it is used in large quantities, needs to be operated frequently and operates in an open-air environment all year round, it is one of the electrical equipment that is more easily damaged. Under the current power supply reliability requirements, live replacement of high-voltage isolating knife switches has become one of the projects that live working teams implement more frequently; based on the safety regulations of the Southern Power Grid and the requirements of live working specifications, live working should be operated by one person on the bucket and one person on supervision. Only one person can operate when performing various live working projects. Therefore, the operator needs to support the knife switch with one hand and disassemble and install the screws with the other hand, which is difficult and labor-intensive. Therefore, when replacing the isolating knife switch with power, the core strength and technical level of the operator are required to be high. To this end, we propose a temporary stabilizing device for the isolating knife switch. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides a temporary stabilizing device for an isolation knife switch.

[0005] The technical solution adopted by the utility model to solve the technical problem is a temporary stabilizing device for an isolation knife switch, comprising a cross arm card plate, a connecting plate is integrally constructed on the outer side end surface of the cross arm card plate, and a knife switch card plate corresponding to the cross arm card plate is integrally constructed on one end of the connecting plate away from the cross arm card plate;

[0006] The outer end surface of the cross arm clamp is integrally constructed with support bars for auxiliary limiting, and there are two groups of support bars. Screw holes for connection are opened between the two groups of support bars, and there are two groups of screw holes. Threaded rods for limiting are screwed and installed inside the screw holes.

[0007] By adopting the above technical solution, in the process of removing or installing the knife switch under power, the knife switch clamping plate can be conveniently inserted into the empty space between the two porcelain columns of the knife switch, and the cavity formed by the knife switch clamping plate, the connecting plate and the cross arm clamping plate can be conveniently connected with the knife switch, and then the knife switch cross arm can be conveniently inserted into the hollow position of the concave part of the cross arm clamping plate, so as to facilitate the temporary stabilization of the isolation knife switch, effectively free the hands of the operator, so that the operator can remove or install the knife switch more quickly, conveniently and labor-savingly, eliminate safety hazards, facilitate operation, reduce the physical exertion of the operator, and improve the safety performance during operation;

[0008] When the crossarm clamp and the knife switch crossarm are clamped together, the threaded rods in the screw holes on the surfaces of the two sets of relative support bars on the outer side of the crossarm clamp can be rotated, so that the threaded rods can be screwed into the screw holes and spirally penetrate into the inner side of the crossarm clamp, and conveniently abut against the knife switch crossarm, thereby providing a certain limiting performance, which is convenient for improving the tightness of the connection between the crossarm clamp and the knife switch crossarm. At the same time, corresponding adjustments can also be made according to the connection method between the two, so that the crossarm clamp can be more stably connected to the knife switch crossarm, which is convenient for temporary stabilization of the isolation knife switch.

[0009] Specifically, rubber pads for preventing slipping are bonded between the two groups of support bars.

[0010] By adopting the above technical solution, the rubber pad has a certain anti-slip performance, which is convenient for improving the static friction of the support bar, and can also reduce the scratches caused by friction between the support bar and the knife switch cross arm.

[0011] Specifically, one end of the knife gate clamping plate away from the cross arm clamping plate is equipped with a handle for pulling, and a rubber sleeve for protection is installed on the outer periphery of the handle.

[0012] By adopting the above technical solution, the handle allows the staff to operate the stabilizing device more smoothly, and at the same time the rubber sleeve has a certain degree of anti-slip and elasticity, which is convenient for improving the comfort of the staff when holding the handle.

[0013] Specifically, a side of the knife switch clamping plate away from the cross arm clamping plate is equipped with a disc seat for connection, and there are two groups of disc seats, and fastening screws for limiting are threadedly installed on the outer circumference of the disc seat.

[0014] By adopting the above technical solution, the fastening screws and the disc seat are threadedly connected to each other, which is convenient for providing a certain limiting performance when the knife gate clamping plate and the isolation knife gate are mutually clamped, thereby improving the stability of the connection between the two, and facilitating disassembly and assembly, so that the isolation knife gate can be disassembled and assembled more safely and stably.

[0015] Specifically, a rubber block for protection is bonded to one end of the fastening screw located on the inner side of the ring seat.

[0016] By adopting the above technical solution, the rubber block has certain elasticity and anti-slip performance, which is convenient for reducing the situation where the surface of the isolation knife switch is scratched and caused by scratches when the fastening screw and the isolation knife switch contact each other.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The technical solution of the present application adopts the design of the knife switch clamp, cross arm clamp and connecting plate. During the process of removing or installing the knife switch under power, the knife switch clamp can be conveniently inserted into the empty space between the two porcelain columns of the knife switch, and the cavity formed by the knife switch clamp, the connecting plate and the cross arm clamp can be conveniently connected with the knife switch. Then the cross arm of the knife switch can be conveniently inserted into the hollow position of the concave part of the cross arm clamp, which is convenient for temporarily stabilizing the isolation knife switch, effectively freeing the operator's hands, so that they can remove or install the knife switch more quickly, conveniently and labor-savingly, eliminating safety hazards, facilitating operation, reducing the physical exertion of operators, and improving safety performance during operation.

[0019] 2. The technical solution of the present application is designed with support bars, screw holes and threaded rods. When the crossarm clamp and the knife switch crossarm are clamped with each other, the threaded rods in the screw holes on the two sets of relative support bar surfaces on the outer side of the crossarm clamp can be rotated, so that the threaded rods can be screwed with the screw holes and spirally penetrate into the inner side of the crossarm clamp, and conveniently abut against the knife switch crossarm, thereby providing a certain limiting performance, which is convenient for improving the tightness of the connection between the crossarm clamp and the knife switch crossarm. At the same time, it can also be adjusted accordingly according to the connection method between the two, so that the crossarm clamp can be more stably connected to the knife switch crossarm, which is convenient for temporary stabilization of the isolation knife switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is an axonometric drawing of the utility model;

[0022] Figure 2 It is a side view of the connection structure between the cross arm clamp and the knife switch clamp of the utility model;

[0023] Figure 3 It is a schematic cross-sectional view of the connection structure between the knife switch clamping plate and the isolation knife switch of the utility model;

[0024] In the figure: 1. cross arm clamp; 2. knife switch clamp; 3. connecting plate; 4. support bar; 5. screw hole; 6. threaded rod; 7. ring seat; 8. fastening screw; 9. rubber block; 10. handle; 11. rubber pad; 12. rubber sleeve. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] See also Figure 1-3 The utility model embodiment provides a technical solution: a temporary stabilization device for an isolation knife gate, comprising a cross arm card plate 1, a connecting plate 3 is integrally constructed on the outer side end surface of the cross arm card plate 1, and a knife gate card plate 2 corresponding to the cross arm card plate 1 is integrally constructed on the end surface of the connecting plate 3 away from the cross arm card plate 1; a support bar 4 for auxiliary limiting is integrally constructed on the outer side end surface of the cross arm card plate 1, and the support bar 4 has two groups, screw holes 5 for connection are opened between the two groups of support bars 4, and there are two groups of screw holes 5, and a threaded rod 6 for limiting is screwed and installed inside the screw hole 5.

[0027] When in use, in the process of removing or installing the knife switch under power, the knife switch clamping plate 2 is conveniently inserted into the empty space between the two porcelain columns of the knife switch, and the cavity formed by the knife switch clamping plate 2, the connecting plate 3 and the cross arm clamping plate 1 is convenient for mutual clamping with the knife switch, and then the knife switch cross arm is conveniently clamped into the hollow position of the concave part of the cross arm clamping plate, which is convenient for temporary stabilization of the isolation knife switch, effectively freeing the hands of the operator, so that the knife switch can be removed or installed more quickly, conveniently and labor-savingly, eliminating safety hazards, facilitating operation, reducing the physical exertion of the operator, and improving the safety performance during operation;

[0028] When the crossarm clamp 1 and the knife switch crossarm are connected to each other, the threaded rod 6 in the screw holes 5 on the surfaces of the two sets of relative support bars 4 on the outer side of the crossarm clamp 1 can be rotated, so that the threaded rod 6 can be screwed with the screw holes 5 and spirally penetrate into the inner side of the crossarm clamp 1, and conveniently abut against the knife switch crossarm, thereby providing a certain limiting performance, which is convenient for improving the tightness of the connection between the crossarm clamp 1 and the knife switch crossarm. At the same time, corresponding adjustments can also be made according to the connection method between the two, so that the crossarm clamp 1 can be more stably connected to the knife switch crossarm, which is convenient for temporary stabilization of the isolation knife switch.

[0029] like Figure 1 , Figure 2 and Figure 3 As shown, rubber pads 11 for anti-slip are bonded between the two groups of support bars 4 .

[0030] When in use, the rubber pad 11 has a certain anti-slip property, which is convenient for improving the static friction of the support bar 4, and can also reduce the scratches caused by the friction between the support bar 4 and the knife switch cross arm.

[0031] like Figure 1 and Figure 3As shown, one end of the knife gate clamping plate 2 away from the cross arm clamping plate 1 is equipped with a handle 10 for pulling, and a rubber sleeve 12 for protection is installed on the outer periphery of the handle 10.

[0032] When in use, the handle 10 allows the staff to operate the stabilizing device more smoothly. At the same time, the rubber sleeve 12 has a certain degree of anti-slip and elasticity, which is convenient for improving the comfort of the staff when holding the handle 10.

[0033] like Figure 1 and Figure 3 As shown, the side of the knife gate clamping plate 2 away from the cross arm clamping plate 1 is equipped with a disc seat for connection, and there are two groups of disc seats. The outer periphery of the disc seat is threadedly installed with fastening screws 8 for limiting.

[0034] When in use, the fastening screw 8 and the disc seat are threadedly connected to each other, which provides a certain limiting performance when the knife gate clamping plate 2 and the isolation knife gate are mutually clamped, thereby improving the stability of the connection between the two, and facilitating disassembly and assembly, so that the isolation knife gate can be disassembled and assembled more safely and stably.

[0035] like Figure 3 As shown, a rubber block 9 for protection is bonded to one end of the fastening screw 8 located inside the ring seat 7 .

[0036] When in use, the rubber block 9 has certain elasticity and anti-slip properties, which is convenient for reducing the situation in which the surface of the isolation knife switch is scratched and caused by the contact between the fastening screw 8 and the isolation knife switch.

[0037] The working principle and use process of the utility model are as follows: when in use, firstly, the temporary stabilizing device of the isolating knife switch is placed parallel to the position of the knife switch. In the process of removing or installing the knife switch under power, the knife switch clamping plate 2 is conveniently inserted into the empty space between the two porcelain columns of the knife switch, and the design width of the knife switch clamping plate 2 is consistent with the width of the distance between the two porcelain columns of the isolating knife switch. When in use, the plate surface is inserted between the two porcelain columns to support the knife switch. At the same time, the cavity formed by the knife switch clamping plate 2, the connecting plate 3 and the cross arm clamping plate 1 is convenient for mutual contact with the knife switch. The connecting plates 3 are respectively perpendicular to the cross arm card plate 1 and the knife gate card plate 2, bearing the downward gravity of the knife gate, and then the fastening screws 8 that are screwed together with the disc seat on the surface of the knife gate card plate 2 can be rotated, so that the fastening screws 8 and the disc seat are screwed together and penetrate into the inner side of the disc seat, and at the same time pass through the disc seat and abut against each other between the knife gate cross arm, so as to improve the stability of the connection between the knife gate card plate 2 and the isolation knife gate. Then the knife gate cross arm is conveniently inserted into the hollow position of the concave part of the cross arm card plate 1, and the cross arm card plate 1 is a concave shape. The width of the hollow part is designed to be slightly larger than the height of the commonly used cross-arm cross section. When in use, the knife gate cross arm is just stuck between the upper plate surface and the lower plate surface, which is convenient for temporarily stabilizing the isolation knife gate, effectively freeing the hands of the operator, so that the knife gate can be removed or installed more quickly, conveniently and labor-savingly, eliminating safety hazards, facilitating operation, reducing the physical consumption of operators, and improving safety performance during operation. When the cross arm clamping plate 1 and the knife gate cross arm are clamped with each other, the threaded rod 6 in the screw holes 5 on the surfaces of the two groups of relative support bars 4 on the outer side of the cross arm clamping plate 1 can be rotated, so that the threaded rod 6 can be screwed with the screw holes 5 and spirally penetrated into the inner side of the cross arm clamping plate 1, and it is convenient to abut against each other with the knife gate cross arm, thereby providing a certain limiting performance, which is convenient for improving the tightness after the connection between the cross arm clamping plate 1 and the knife gate cross arm, and at the same time, corresponding adjustments can be made according to the connection method between the two, so that the cross arm clamping plate 1 can be more stably connected to the knife gate cross arm, which is convenient for temporarily stabilizing the isolation knife gate;

[0038] At the same time, additional explanation:

[0039] 1. The cross arm pallet 1 is in the shape of a concave character, with the upper and lower panels both being 4cm*10cm rectangular panels, and the hollow height between the two panels being 10cm;

[0040] 2. The knife gate card plate 2 is a rectangular plate with a surface of 10cm*18cm;

[0041] 3. The connecting plate 3 is perpendicular to the cross arm clamp 1 and the knife switch clamp 2, and has a width of 5 cm.

[0042] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A temporary stabilizing device for an isolation knife switch, characterized in that: It comprises a cross-arm card plate (1), wherein a connection plate (3) is integrally constructed on a side end surface of the outer circumference of the cross-arm card plate (1), and a knife gate card plate (2) corresponding to the cross-arm card plate (1) is integrally constructed on one end of the connection plate (3) away from the cross-arm card plate (1); The outer end surface of the cross arm clamp (1) is integrally formed with a support bar (4) for auxiliary position limiting, and there are two groups of support bars (4). Screw holes (5) for connection are provided between the two groups of support bars (4), and there are two groups of screw holes (5). A threaded rod (6) for position limiting is screwed and installed inside the screw hole (5).

2. A temporary stabilization device for an isolation knife switch according to claim 1, characterized in that: Anti-slip rubber pads (11) are bonded between the two groups of support bars (4).

3. A temporary stabilization device for an isolation knife switch according to claim 1, characterized in that: One end of the knife gate clamping plate (2) away from the cross arm clamping plate (1) is equipped with a handle (10) for pulling, and a rubber sleeve (12) for protection is installed on the outer periphery of the handle (10).

4. A temporary stabilization device for an isolation knife switch according to claim 1, characterized in that: A disc seat for connection is mounted on one side of the knife gate clamping plate (2) away from the cross arm clamping plate (1), and there are two groups of disc seats. A fastening screw (8) for limiting the position is screwed on the outer circumference of the disc seat.

5. A temporary stabilizing device for an isolation knife switch according to claim 4, characterized in that: A rubber block (9) for protection is bonded to one end of the fastening screw (8) located on the inner side of the ring seat (7).

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