CN215896233U

CN215896233U - Self-operated V-shaped alternating-current high-voltage isolating switch

Info

Publication number: CN215896233U
Application number: CN202122424299.1U
Authority: CN
Inventors: 袁永冰
Original assignee: Hebei Beiwei Baohu Electrical Equipment Co ltd
Current assignee: Hebei Beiwei Baohu Electrical Equipment Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-22
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a self-operated V-shaped alternating-current high-voltage isolating switch which comprises a base, wherein an object placing groove is formed in the upper end of the base, a supporting plate is inserted in the object placing groove in a sliding mode, the upper end of the supporting plate penetrates through the object placing groove and is fixedly connected with an isolating switch body, connecting grooves are formed in opposite side walls in the object placing groove, wedge-shaped clamping blocks are inserted in the connecting grooves in the sliding mode, clamping grooves corresponding to the wedge-shaped clamping blocks are formed in two sides of the supporting plate respectively, one end of each wedge-shaped clamping block penetrates through the connecting grooves and extends into the corresponding clamping groove, two second sliding rods are inserted in the other ends of the wedge-shaped clamping blocks in a sliding mode, one end, far away from the wedge-shaped clamping blocks, of each second sliding rod is fixedly connected with the inner side wall of the corresponding connecting groove, and a second spring is sleeved on each second sliding rod. According to the utility model, through the arrangement of the adjusting mechanism, the dismounting process of the isolating switch during maintenance and overhaul is simplified, so that the time required by dismounting is shortened, and the risk brought by high-altitude operation is reduced.

Description

Self-operated V-shaped alternating-current high-voltage isolating switch

Technical Field

The utility model relates to the technical field of isolating switches, in particular to a self-operated V-shaped alternating-current high-voltage isolating switch.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that the isolating switch has no arc extinguishing capability, and can only be switched on and off under the condition of no load current, and the common high-voltage isolating switch has models such as a CR center fracture isolating switch, a KR double-column horizontal telescopic isolating switch and a VR V-type center fracture isolating switch.

However, the existing self-operated V-shaped ac high-voltage electrical isolation switch is generally fixed by a plurality of bolts, so that the efficiency is low when the isolation switch is disassembled and assembled during maintenance and repair, and the working time is longer and the risk is higher because the isolation switch needs to be operated aloft during maintenance and repair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a self-operated V-shaped alternating-current high-voltage isolating switch is generally installed and fixed through a plurality of bolts, the assembly and disassembly efficiency is low during maintenance and repair, and the longer the working time and the greater the risk are due to the fact that high-altitude operation is needed during maintenance and repair, and the self-operated V-shaped alternating-current high-voltage isolating switch is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a self-operated V-shaped alternating-current high-voltage isolating switch comprises a base, wherein an object placing groove is formed in the upper end of the base, a supporting plate is inserted in the object placing groove in a sliding mode, the upper end of the supporting plate penetrates through the object placing groove and is fixedly connected with an isolating switch body, connecting grooves are formed in opposite side walls in the object placing groove, wedge-shaped clamping blocks are inserted in the connecting grooves in a sliding mode, clamping grooves corresponding to the wedge-shaped clamping blocks are formed in two sides of the supporting plate respectively, one end of each wedge-shaped clamping block penetrates through the connecting grooves and extends into the corresponding clamping groove, two second sliding rods are inserted in the other ends of the wedge-shaped clamping blocks in a sliding mode, one ends, far away from the wedge-shaped clamping blocks, of the second sliding rods are fixedly connected with the inner side walls of the connecting grooves, a second spring is sleeved on each second sliding rod, two ends of the second spring respectively abut against the wedge-shaped clamping blocks and the inner side walls of the connecting grooves, mounting grooves are formed in the inner side walls of the connecting grooves, the winding device is characterized in that a winding roller is arranged in the mounting groove, a pull rope is wound on the winding roller, one end of the pull rope is fixedly connected with the winding roller, the other end of the pull rope penetrates through the mounting groove and is fixedly connected with a wedge-shaped fixture block, a rotating rod is fixedly inserted in the winding roller, two ends of the rotating rod respectively penetrate through the winding roller and are rotatably connected with opposite side walls in the mounting groove, a gear is fixedly sleeved on the rotating rod, a push plate is slidably inserted in the mounting groove, a rack meshed with the gear is fixedly connected to the side wall of the push plate, through holes and slots corresponding to the push plate are respectively formed in the opposite side walls in the mounting groove, the lower end of the push plate extends into the slots, a first slide rod is inserted at the upper end of the push plate in a sliding manner, a first slide rod is fixedly connected to the lower end of the first slide rod and the side wall of the bottom in the slots, and a first spring is sleeved on the first slide rod, and two ends of the first spring are respectively fixedly connected with the lower end of the push plate and the side wall of the inner bottom end of the slot.

Preferably, four bolts which are distributed in a rectangular shape are inserted into the upper end of the base, the bolts are in threaded connection with the base, and the lower ends of the bolts penetrate through the base.

Preferably, both sides of wedge type fixture block all are equipped with the recess, the recess internal rotation is connected with the ball, the ball offsets with the spread groove inside wall.

Preferably, the pull cord is made of steel wire.

Preferably, the side wall of the bottom end in the object placing groove is fixedly connected with a rubber pad.

Preferably, the upper end of the push plate is fixedly connected with a handle.

Has the advantages that:

1. when the device is used for the first time, the base is firstly installed and fixed, when the isolating switch body is maintained and overhauled in the later period, the base does not need to be disassembled, only the supporting plate needs to be disassembled independently, when the isolating switch body needs to be disassembled and overhauled, the push plate is firstly pressed downwards, the push plate drives the rotating rod to rotate under the action of meshing of the rack and the gear, the rotating rod drives the winding roller to rotate, the pull rope is wound through the winding roller, the wedge-shaped clamping block is driven to be separated from the clamping groove through the pull rope, at the same time, the isolating switch body is lifted upwards to drive the supporting plate to be separated from the object placing groove, the disassembly can be completed, meanwhile, the wedge-shaped clamping block is driven to move and reset through the elasticity of the second spring, the push plate is driven to move and reset through the first spring, the disassembly and assembly processes of the isolating switch during maintenance and overhaul are simplified through the arrangement of the adjusting mechanism, so that the time required for disassembly and assembly is shortened, The risk brought by high-altitude operation is reduced;

2. through the setting of bolt, but convenience of customers installation base, through the setting of ball, can reduce the resistance when wedge type fixture block removes, the stay cord is made for the steel wire, can improve life, through the setting of rubber pad, can improve the backup pad and put the stability between the terminal lateral wall in the thing groove, through the setting of handle, can convenience of customers promotes the push pedal.

Drawings

Fig. 1 is a schematic structural diagram of a self-operated V-shaped ac high-voltage electrical isolation switch according to the present invention;

fig. 2 is a schematic structural diagram of a position a of a self-operated V-shaped ac high-voltage electrical isolation switch according to the present invention;

fig. 3 is a schematic structural diagram of a rotating rod and a gear of a self-operated V-shaped ac high-voltage electrical isolation switch according to the present invention.

In the figure: the device comprises a base 1, a wedge-shaped fixture block 2, a support plate 3, an isolating switch body 4, a rubber pad 5, a push plate 6, a rotating rod 7, a rack 8, a gear 9, a first spring 10, a first slide bar 11, a second slide bar 12, a second spring 13, a pull rope 14 and a winding roller 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

Referring to fig. 1-3, a self-operated V-shaped alternating current high voltage electrical isolation switch comprises a base 1, four bolts which are distributed in a rectangular shape are inserted into the upper end of the base 1 for facilitating a user to install and fix the base 1, the bolts are in threaded connection with the base 1, the lower ends of the bolts penetrate through the base 1, an object placing groove is formed in the upper end of the base 1, a rubber pad 5 is fixedly connected to the side wall of the inner bottom end of the object placing groove and used for improving the stability between a support plate 3 and the side wall of the inner bottom end of the object placing groove, the support plate 3 is inserted into the object placing groove in a sliding manner and used for supporting an isolation switch body 4, and the upper end of the support plate 3 penetrates through the object placing groove and is fixedly connected with the isolation switch body 4;

in the embodiment, the opposite side walls in the object holding groove are respectively provided with a connecting groove, a wedge-shaped fixture block 2 is inserted in the connecting groove in a sliding manner and used for preventing the support plate 3 from loosening from the object holding groove, two sides of the wedge-shaped fixture block 2 are respectively provided with a groove, a ball is connected in the groove in a rotating manner and used for reducing the resistance when the wedge-shaped fixture block 2 moves, the ball is abutted against the inner side wall of the connecting groove, two sides of the support plate 3 are respectively provided with a clamping groove corresponding to the wedge-shaped fixture block 2, one end of the wedge-shaped fixture block 2 penetrates through the connecting groove and extends into the clamping groove, the other end of the wedge-shaped fixture block 2 is inserted in a sliding manner and is provided with two second slide bars 12 for improving the stability when the wedge-shaped fixture block 2 moves, one end of each second slide bar 12, which is far away from the wedge-shaped fixture block 2, is fixedly connected with the inner side wall of the connecting groove, a second spring 13 is sleeved on each second slide bar 12 and used for preventing the wedge-shaped fixture block 2 from separating from the clamping groove and driving the wedge-shaped fixture block 2 to move and reset, two ends of the second spring 13 are respectively abutted against the wedge-shaped fixture block 2 and the inner side wall of the connecting groove;

in the embodiment, an installation groove is formed in the inner side wall of the connection groove, a winding roller 15 is arranged in the installation groove and used for driving a pull rope 14 to move, the pull rope 14 is wound on the winding roller 15 and made of steel wires and used for prolonging the service life, one end of the pull rope 14 is fixedly connected with the winding roller 15, the other end of the pull rope 14 penetrates through the installation groove and is fixedly connected with a wedge-shaped fixture block 2, a rotating rod 7 is fixedly inserted in the winding roller 15 and used for driving the winding roller 15 to rotate, two ends of the rotating rod 7 respectively penetrate through the winding roller 15 and are rotatably connected with opposite side walls in the installation groove, and a gear 9 is fixedly sleeved on the rotating rod 7 and used for driving the rotating rod 7 to rotate;

in this embodiment, a push plate 6 is slidably inserted in the mounting groove and is used for driving the rack 8 to move, the side wall of the push plate 6 is fixedly connected with the rack 8 meshed with the gear 9 and is used for driving the gear 9 to rotate, the opposite side wall in the mounting groove is respectively provided with an opening and a slot corresponding to the push plate 6, the lower end of the push plate 6 extends into the slot, the upper end of the push plate 6 penetrates through the opening, the upper end of the push plate 6 is fixedly connected with a handle and is used for facilitating a user to push the push plate 6, the lower end of the push plate 6 is slidably inserted with a first slide bar 11 and is used for improving the stability of the push plate 6 during movement, the lower end of the first slide bar 11 is fixedly connected with the side wall of the bottom in the slot, a first spring 10 is sleeved on the first slide bar 11 and is used for driving the push plate 6 to move and reset, and two ends of the first spring 10 are respectively fixedly connected with the lower end of the push plate 6 and the side wall of the bottom in the slot;

in the embodiment, when the device is used for the first time, the base 1 is firstly installed and fixed, when the isolating switch body 4 is maintained and overhauled in the later period, the base 1 does not need to be disassembled, only the supporting plate 3 needs to be disassembled independently, when the isolating switch body 1 needs to be disassembled and overhauled, the push plate 6 is firstly pressed downwards, the push plate 6 drives the rotating rod 7 to rotate under the action of the meshing of the rack 8 and the gear 9, the winding roller 15 is driven by the rotating rod 7 to rotate, the pull rope 14 is wound by the winding roller 15, the wedge-shaped clamping block 2 is driven by the pull rope 14 to be separated from the clamping groove, at the moment, the isolating switch body 1 is lifted upwards to drive the supporting plate 3 to be separated from the storage groove, the disassembling can be completed, meanwhile, the wedge-shaped clamping block 2 is driven to move and reset by the elasticity of the second spring 13, the push plate 6 is driven to move and reset by the first spring 10, the dismounting and dismounting process of the isolating switch during maintenance and overhauling is simplified by the arrangement of the adjusting mechanism, thereby shortening the time required by disassembly and assembly and reducing the risk brought by high-altitude operation.

As described above, each component (component not described in specific structure) selected in the present application is a general standard component or a component known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through a technical manual or through a routine experiment method.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a formula of relying on oneself V type exchanges high-voltage electricity isolator, includes base (1), its characterized in that: the upper end of the base (1) is provided with a storage groove, a support plate (3) is inserted in the storage groove in a sliding manner, the upper end of the support plate (3) penetrates through the storage groove and is fixedly connected with an isolating switch body (4), the opposite side walls in the storage groove are provided with connecting grooves, a wedge-shaped fixture block (2) is inserted in the connecting grooves in a sliding manner, two clamping grooves corresponding to the wedge-shaped fixture block (2) are respectively arranged on two sides of the support plate (3), one end of the wedge-shaped fixture block (2) penetrates through the connecting grooves and extends into the clamping grooves, the other end of the wedge-shaped fixture block (2) is inserted in a sliding manner to form two second sliding rods (12), one end, far away from the wedge-shaped fixture block (2), of each second sliding rod (12) is fixedly connected with the connecting grooves, a second spring (13) is sleeved on each second sliding rod (12), and two ends of each second spring (13) are respectively abutted against the wedge-shaped fixture block (2) and the inner side walls of the connecting grooves, the wire winding roller is characterized in that a mounting groove is formed in the inner side wall of the connecting groove, a wire winding roller (15) is arranged in the mounting groove, a pull rope (14) is wound on the wire winding roller (15), one end of the pull rope (14) is fixedly connected with the wire winding roller (15), the other end of the pull rope (14) penetrates through the mounting groove and is fixedly connected with a wedge-shaped fixture block (2), a rotating rod (7) is fixedly inserted in the wire winding roller (15), two ends of the rotating rod (7) penetrate through the wire winding roller (15) respectively and are rotatably connected with the opposite side walls in the mounting groove, a gear (9) is fixedly sleeved on the rotating rod (7), a push plate (6) is slidably inserted in the mounting groove, a rack (8) meshed with the gear (9) is fixedly connected onto the side wall of the push plate (6), a through hole and a slot corresponding to the push plate (6) are formed in the opposite side walls in the mounting groove respectively, and the lower end of the push plate (6) extends into the slot, the opening is run through to the upper end of push pedal (6), the lower extreme of push pedal (6) slides and inserts and is equipped with first slide bar (11), the lower extreme and the slot inner bottom lateral wall fixed connection of first slide bar (11), the cover is equipped with first spring (10) on first slide bar (11), the both ends of first spring (10) respectively with the lower extreme of push pedal (6) and the slot inner bottom lateral wall fixed connection.

2. The self-operated V-shaped alternating-current high-voltage electric isolating switch according to claim 1, characterized in that: four bolts which are distributed in a rectangular shape are inserted into the upper end of the base (1), the bolts are in threaded connection with the base (1), and the lower ends of the bolts penetrate through the base (1).

3. The self-operated V-shaped alternating-current high-voltage electric isolating switch according to claim 1, characterized in that: the two sides of the wedge-shaped fixture block (2) are both provided with grooves, balls are rotationally connected in the grooves, and the balls are abutted to the inner side walls of the connecting grooves.

4. The self-operated V-shaped alternating-current high-voltage electric isolating switch according to claim 1, characterized in that: the pull rope (14) is made of steel wires.

5. The self-operated V-shaped alternating-current high-voltage electric isolating switch according to claim 1, characterized in that: and a rubber pad (5) is fixedly connected to the side wall of the inner bottom end of the storage groove.

6. The self-operated V-shaped alternating-current high-voltage electric isolating switch according to claim 1, characterized in that: the upper end of the push plate (6) is fixedly connected with a handle.