CN216818191U

CN216818191U - Outdoor isolator convenient to maintain

Info

Publication number: CN216818191U
Application number: CN202220222752.2U
Authority: CN
Inventors: 范海燕; 郭荣坡
Original assignee: Baoding Donghua Power Equipment Co ltd
Current assignee: Baoding Donghua Power Equipment Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-24
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses an outdoor isolating switch convenient to maintain, wherein two sides of the bottom of a switch fixing frame are respectively provided with an embedded groove, the top end of a core rod is fixedly connected with an installation fixture block, and the core rod is tightly clamped and connected with the embedded grooves through the installation fixture block at the top end of the core rod, the outdoor isolating switch is convenient to quickly connect with a connecting part of a circuit when the isolating switch is installed through the switch fixing frame and an installation end plate at the end part of the switch fixing frame, when the isolating switch needs to be disassembled, only a fixing pin is needed to disassemble to remove the limitation of the installation fixture block, so that the installation fixture block can drive the core rod to slide along the embedded grooves, the installation fixture block is convenient to quickly disassemble from the embedded grooves, and further, when the isolating switch is disassembled and maintained, the connecting part of the whole isolating switch and the circuit does not need to be disassembled, and the convenience of disassembling and assembling of the isolating switch is reduced, and simultaneously, the maintenance of the device is facilitated.

Description

Outdoor isolator convenient to maintain

Technical Field

The utility model relates to the technical field of isolating switches, in particular to an outdoor isolating switch convenient to maintain.

Background

Isolator generally refers to high voltage isolator, and rated voltage is at 1kV and above isolator, the isolator for short commonly, and outdoor isolator is the most high-voltage apparatus of use on the power line, and the mainly used separates the security of distribution lines's power in order to improve the operation when overhauing, and it has obvious isolation fracture, sets up on overhead line and transformer substation more, and outdoor isolator mainly has two kinds: one is split-phase operation, the isolating knife is pulled open by an insulating rod during operation to play a role of isolating a power supply, and the other is three-phase linkage operation, a manual mechanism is pulled by the insulating rod during operation, and an isolating switch is switched off by a transmission component to play a role of isolating the power supply;

but present outdoor isolator is when in actual use, generally come the switch to carry out the separation installation through the switch mount, simultaneously be connected isolator and overhead line's adapting unit through the switch mount, consequently when isolator breaks down and need maintain it, then need come whole and adapting unit dismantlement of isolator through the switch mount, make isolator very troublesome when dismantling and maintaining with this, current isolator generally fixes through the mode of bolt in the installation simultaneously, isolator's the dismantlement degree of difficulty has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an outdoor isolating switch convenient to maintain, which can effectively solve the problems that the existing outdoor isolating switch is generally installed in a blocking way through a switch fixing frame when in actual use, and is connected with a connecting part of an overhead line through the switch fixing frame, so that when the isolating switch breaks down and needs to be maintained, the whole isolating switch and the connecting part need to be disassembled through the switch fixing frame, so that the isolating switch is quite troublesome to disassemble and maintain, and meanwhile, the existing isolating switch is generally fixed in a bolt mode in the installation process, and the disassembling difficulty of the isolating switch is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: an outdoor isolating switch convenient to maintain comprises a switch fixing frame, wherein two sides of the bottom of the switch fixing frame are connected with mandrils, insulating umbrella skirts are uniformly arranged on the outer sides of the mandrils, the bottom end of one mandrill is connected with a static contact, the outer side of the static contact is provided with a movable contact in a contact mode, one end of the movable contact is connected with a switch brake, one end, far away from the movable contact, of the switch brake is movably connected to the inner side of a connecting seat, and the connecting seat is fixedly connected to the bottom end of the other mandrill;

the switch fixing frame is characterized in that embedded grooves are formed in two sides of the bottom of the switch fixing frame, an installation clamping block is fixedly connected to the top end of the core rod, the core rod is tightly clamped and connected with the embedded grooves through the installation clamping block at the top end of the core rod, a limiting square hole is transversely formed in the switch fixing frame, the limiting square hole extends into the embedded grooves, and a fixing pin is embedded in the inner side of the limiting square hole and connected in a matched mode.

Preferably, the two side edges inside the embedding groove are both provided with limiting clamping grooves, and the middle ends of the two side edges of the mounting clamping block are both connected with fastening clamping blocks;

after the installation clamping block is embedded into the embedding groove, the fastening clamping block is tightly matched and connected into the limiting clamping groove, and the fixing pin is tightly contacted with the edge of the installation clamping block.

Preferably, the end parts of the two sides of the switch fixing frame are fixedly connected with mounting end plates, and mounting holes are formed in the mounting end plates in a penetrating mode.

Preferably, the bottom of the switch brake is provided with a handle.

Preferably, a limiting seat is fixedly mounted at the position, located at the outer side of the moving contact, of the bottom end of the core rod, a mounting groove is formed in the middle of the inner side of the limiting seat, an extrusion spring is fixedly connected to the inner side of the mounting groove, and a tensioning clamping block is fixedly connected to one end, far away from the inner wall of the mounting groove, of the extrusion spring;

the side edge of the moving contact far away from the static contact is embedded in the inner sides of the two tensioning clamping blocks, and the anti-slip sheet is fixedly bonded at the corresponding position of the outer side surface of the moving contact and the tensioning clamping blocks.

Preferably, the number of the extrusion springs is four, the four extrusion springs are fixedly connected with the edge end of the tensioning fixture block, one surface of the tensioning fixture block, which is close to the anti-skid sheet, is provided with an inclined surface, and after the moving contact is contacted with the fixed contact, the inclined surface of the tensioning fixture block is tightly connected with the anti-skid sheet.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. through the switch fixing frame and the mounting end plate at the end part of the switch fixing frame, when the isolating switch is mounted, the isolating switch is conveniently and quickly connected with a connecting part of a circuit, when the isolating switch needs to be dismounted, only the fixing pin needs to be dismounted to remove the limitation of a mounting fixture block, so that the mounting fixture block can drive the core rod to slide along the embedding groove, the mounting fixture block is conveniently and quickly dismounted from the embedding groove, and further, when people dismount and maintain the insulating switch, the whole insulating switch does not need to be dismounted from the connecting part of the circuit, the convenience of dismounting and mounting the isolating switch is reduced, and meanwhile, the isolating switch is convenient to maintain better;

and replace traditional bolt fixed connection through the slip joint mode of installation fixture block, this mode makes isolator more convenient when dismantling to the operation degree of difficulty when isolator dismantles has been reduced.

2. The elastic tensioning and extruding mechanism composed of the limiting seat, the mounting groove, the extruding spring and the tensioning clamping block is convenient to extrude and limit the outer side face of the moving contact, so that after the moving contact is connected with the static contact in a contact mode, the position of the moving contact is convenient to extrude and limit, the stability after connection is guaranteed, the isolating switch can be conveniently normally used, and the safety of the isolating switch is further improved.

3. The edge of the tensioning clamping block is arranged to be an inclined plane, so that the moving contact is more convenient to extrude, the anti-slip sheet is arranged on the side face of the moving contact, the moving contact is enabled to have higher anti-slip capability when the tensioning clamping block is extruded, and the stability of the moving contact and the static contact after contact connection is further guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of the installation structure of the switch gate of the present invention;

FIG. 3 is a schematic view of an installation structure of the installation fixture block of the present invention;

FIG. 4 is a schematic view of the installation structure of the tensioning clamp block of the present invention;

FIG. 5 is a schematic view of the connecting base of the present invention;

reference numbers in the figures: 1. a switch fixing frame; 2. a core rod; 3. an insulating shed; 4. static contact; 5. a moving contact; 6. switching on and off; 7. a connecting seat; 8. a fitting groove; 9. mounting a clamping block; 10. limiting a square hole; 11. a fixing pin; 12. mounting an end plate; 13. a limiting seat; 14. mounting grooves; 15. a compression spring; 16. tensioning the clamping block; 17. anti-slip sheets; 18. and (4) a handle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-5, the utility model provides a technical solution, an outdoor isolating switch convenient for maintenance, comprising a switch fixing frame 1, wherein both side end parts of the switch fixing frame 1 are fixedly connected with mounting end plates 12, and the mounting end plate 12 is internally provided with a mounting hole in a penetrating way, so that the mounting of the switch fixing frame 1 is convenient, the two sides of the bottom of the switch fixing frame 1 are both connected with the core rods 2, the outer sides of the core rods 2 are uniformly provided with the insulating umbrella skirts 3, the bottom end of one core rod 2 is connected with the static contact 4, the outer side of the static contact 4 is provided with the movable contact 5 in a contact way, one end of the movable contact 5 is connected with the switch brake 6, the bottom of the switch brake 6 is provided with the handle 18, so that the movable contact 5 is conveniently driven to rotate by the switch brake 6, therefore, the isolation switch is convenient to open and close, one end of the switch brake 6, which is far away from the moving contact 5, is movably connected to the inner side of the connecting seat 7, and the connecting seat 7 is fixedly connected to the bottom end of the other core rod 2;

the switch fixing frame 1 is provided with embedded grooves 8 on both sides of the bottom, an installation fixture block 9 is fixedly connected to the top end of the core rod 2, the core rod 2 is tightly connected with the embedded grooves 8 through the installation fixture block 9 on the top end in a clamped manner, limiting clamping grooves are formed in both side edge ends inside the embedded grooves 8, fastening fixture blocks are connected to the middle ends of both side edge portions of the installation fixture block 9, the installation fixture block 9 and the embedded grooves 8 have higher connection tightness after being connected in a clamped manner, limiting square holes 10 are transversely formed in the switch fixing frame 1, the limiting square holes 10 extend into the embedded grooves 8, fixing pins 11 are embedded and connected inside the limiting square holes 10, after the installation fixture block 9 is embedded into the embedded grooves 8, the fastening fixture blocks are tightly connected in the limiting clamping grooves in a matched manner, the fixing pins 11 are tightly contacted with the edge portions of the installation fixture block 9, and the position of the installation fixture block 9 is conveniently limited through the fixing pins 11, so that the mounting latch 9 remains fixed.

A limiting seat 13 is fixedly arranged at the position, located at the outer side of the moving contact 5, of the bottom end of the core rod 2, a mounting groove 14 is formed in the middle of the inner side of the limiting seat 13, an extrusion spring 15 is fixedly connected to the inner side of the mounting groove 14, and a tensioning clamping block 16 is fixedly connected to one end, far away from the inner wall of the mounting groove 14, of the extrusion spring 15;

move contact 5 and keep away from the side of static contact 4 and inlay in the inboard of two tensioning fixture blocks 16, and move contact 5's lateral surface and the fixed antiskid ribbed tile 17 that bonds in tensioning fixture block 16 corresponding position department, extrusion spring 15 is provided with four, and four extrusion springs 15 and tensioning fixture block 16's limit end fixed connection, improve the extrusion ability of tensioning fixture block 16 to antiskid ribbed tile 17, tensioning fixture block 16 is close to the one side of antiskid ribbed tile 17 and sets up to the inclined plane, move contact 5 and the contact back of static contact 4, zonulae occludens between the inclined plane of tensioning fixture block 16 and the antiskid ribbed tile 17, it possesses higher connection compactness to make between tensioning fixture block 16 and the antiskid ribbed tile 17 after extrusion contact is connected.

The working principle and the using process of the utility model are as follows: in the practical application process of the outdoor isolating switch convenient to maintain, firstly, the isolating switch is conveniently and quickly connected with a connecting part of a circuit when being installed through the switch fixing frame 1 and the installation end plate 12 at the end part of the switch fixing frame, so that the isolating switch can be stably installed through the switch fixing frame 1;

in the use process of the installed isolating switch, when the moving contact 5 is required to be in contact with the static contact 4, the switch brake 6 is pulled by the handle 18 to rotate in the connecting seat 7, so that the moving contact 5 is clamped on the outer side of the static contact 4, and when the moving contact 5 is in contact connection with the static contact 4, the moving contact 5 and the anti-slip sheet 17 on the edge part of the moving contact 5 can be extruded into the inner sides of the two tensioning fixture blocks 16, and the tensioning fixture blocks 16 are extruded by the moving contact 5 and the anti-slip sheet 17, so that the extrusion spring 15 on the back of the tensioning fixture blocks 16 is compressed, the outer side surface of the moving contact 5 is extruded and limited by the elastic tensioning extrusion mechanism consisting of the limiting seat 13, the mounting groove 14, the extrusion spring 15 and the tensioning fixture blocks 16, and the stability of the moving contact 5 and the static contact 4 after the connection is ensured;

moreover, when the movable contact 5 extrudes the tensioning fixture block 16, the movable contact 5 has higher anti-skidding capacity through the anti-skidding sheets 17 arranged on the side surfaces of the movable contact 5, and the stability of the movable contact 5 and the static contact 4 after contact connection is further ensured;

when the disconnecting switch needs to be disassembled and maintained, only the fixing pin 11 needs to be pulled out of the limiting square hole 10, so that the limitation of the fixing pin 11 on the installation fixture block 9 can be conveniently and quickly removed, after the limitation of the installation fixture block 9 is removed, the installation fixture block 9 drives the core rod 2 to slide along the embedding groove 8, so that the installation fixture block 9 can be conveniently and quickly disassembled from the embedding groove 8, and further, when people disassemble and maintain the insulating switch, the whole insulating switch does not need to be disassembled from a connecting part of a circuit, the convenience of disassembling and assembling the disconnecting switch is reduced, and meanwhile, the disconnecting switch is convenient to maintain better;

and replace traditional bolt fixed connection through the slip joint mode of installation fixture block 9, this mode makes isolator more convenient when dismantling to the operation degree of difficulty when isolator dismantles has been reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an outdoor isolator convenient to maintain, includes switch mount (1), switch mount (1) bottom both sides all are connected with plug (2), insulating full skirt (3), one are evenly installed in plug (2) outside plug (2) bottom is connected with static contact (4), static contact (4) outside contact is provided with moving contact (5), its characterized in that: one end of the moving contact (5) is connected with a switch brake (6), one end of the switch brake (6) far away from the moving contact (5) is movably connected to the inner side of a connecting seat (7), and the connecting seat (7) is fixedly connected to the bottom end of the other core rod (2);

gomphosis groove (8) have all been seted up to switch mount (1) bottom both sides, plug (2) top fixedly connected with installation fixture block (9), and inseparable block is connected between installation fixture block (9) and the gomphosis groove (8) on plug (2) through its top, spacing square hole (10) have transversely been seted up to switch mount (1) inside, in spacing square hole (10) extended to gomphosis groove (8), spacing square hole (10) inboard embedding agrees with to be connected with fixed pin (11).

2. An outdoor disconnector convenient to maintain according to claim 1, characterized in that: limiting clamping grooves are formed in the two side edges inside the embedding groove (8), and the middle ends of the two side edges of the mounting clamping block (9) are connected with fastening clamping blocks;

after the installation clamping block (9) is embedded in the embedding groove (8), the fastening clamping block is tightly matched and connected in the limiting clamping groove, and the fixing pin (11) is tightly contacted with the edge of the installation clamping block (9).

3. An outdoor disconnector convenient to maintain according to claim 1, characterized in that: the switch fixing frame is characterized in that the end portions of two sides of the switch fixing frame (1) are fixedly connected with mounting end plates (12), and mounting holes are formed in the mounting end plates (12) in a penetrating mode.

4. An outdoor disconnector convenient to maintain according to claim 1, characterized in that: and a handle (18) is arranged at the bottom of the switch brake (6).

5. An outdoor disconnector convenient to maintain according to claim 1, characterized in that: a limiting seat (13) is fixedly installed at the position, located on the outer side of the moving contact (5), of the bottom end of the core rod (2), a mounting groove (14) is formed in the middle of the inner side of the limiting seat (13), an extrusion spring (15) is fixedly connected to the inner side of the mounting groove (14), and a tensioning clamping block (16) is fixedly connected to one end, far away from the inner wall of the mounting groove (14), of the extrusion spring (15);

the side edge of the moving contact (5) far away from the static contact (4) is embedded in the inner sides of the two tensioning clamping blocks (16), and the anti-slip sheet (17) is fixedly bonded at the position of the outer side surface of the moving contact (5) corresponding to the tensioning clamping blocks (16).

6. An outdoor disconnector convenient for maintenance according to claim 5, characterized in that: the four extrusion springs (15) are fixedly connected with the edge ends of the tensioning fixture blocks (16), one side, close to the anti-skid sheet (17), of each tensioning fixture block (16) is provided with an inclined surface, and after the moving contact (5) is contacted with the fixed contact (4), the inclined surfaces of the tensioning fixture blocks (16) are tightly connected with the anti-skid sheets (17).