CN210429647U

CN210429647U - High-voltage line isolating switch

Info

Publication number: CN210429647U
Application number: CN201921184224.7U
Authority: CN
Inventors: 孙兵志
Original assignee: Shijiazhuang Nuoan Electric Power Equipment Co ltd
Current assignee: Shijiazhuang Nuoan Electric Power Equipment Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-28
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a high-voltage line isolating switch, which relates to the technical field of electric power equipment, and comprises a bottom plate, post insulators, a static contact and a contact arm, wherein the two insulators are vertically fixed on the bottom plate; a fixed contact is fixed at the other end of the post insulator, and one end of the contact arm is rotationally connected with a fixed seat on the fixed contact; the middle part of the bottom surface of the bottom plate is provided with a movable plate connected with a rotating shaft of the bottom plate, the movable plate is provided with two fixing holes which are transversely arranged, one end of the bottom surface of the bottom plate is rotationally fixed with a support frame, the other side of the support frame is connected with the movable plate in a sliding way, and the tail end of the support frame in the sliding groove is stressed to play a supporting role. The utility model discloses but have stable installation on horizontal angle steel or channel-section steel and simple to operate's effect.

Description

High-voltage line isolating switch

Technical Field

The utility model belongs to the technical field of power equipment technique and specifically relates to a high tension line isolator is related to.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching off operation and communicating and cutting off a small current circuit and has no arc extinguishing function, is simple and reliable and is widely applied, but the installation efficiency of electric power constructors is seriously influenced by the complicated installation steps of the isolating switch.

Chinese patent with publication number CN204189687U discloses a high-voltage line spring-assisted disconnecting switch, which comprises a base, pillar insulators, a first connecting terminal, a second connecting terminal, a moving contact and a static contact, wherein the two pillar insulators are vertically fixed on the base, one ends of the first connecting terminal and the second connecting terminal are fixed on the top end of the pillar insulators, the moving contact is fixed on the first connecting terminal through a moving contact base hinged with one end of the moving contact, the static contact is fixed on the second connecting terminal, a spring is additionally arranged between the first connecting terminal and the moving contact, one end of the spring is fixed on the first connecting terminal, and the other end of the spring is fixed on the moving contact.

At present widely used high voltage line isolator among electric power system distribution lines, its base structure is mostly vertical rectangular structure, when needing to install on the horizontal pole between the wire pole, has to just can install fixedly with the help of third party fixed bolster, and installation procedure is loaded down with trivial details, inconvenient constructor operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-tension line isolator, but have stable installation on horizontal angle steel or channel-section steel and simple to operate's effect to prior art exists not enough.

The above object of the present invention can be achieved by the following technical solutions:

a high-voltage line isolating switch comprises a bottom plate, post insulators, a fixed contact and a contact arm, wherein the two insulators are vertically fixed on the bottom plate; a fixed contact is fixed at the top end of the post insulator, one end of the contact arm is rotationally connected with a fixed seat on the fixed contact, and a movable plate connected with the bottom plate through a rotating shaft is arranged in the middle of the bottom surface of the bottom plate; one end of the bottom surface of the bottom plate is rotatably connected with a support frame, the free end of the support frame is in sliding connection with the movable plate and supports the movable plate, and the high-voltage line isolating switch is connected to the angle steel beam or the channel steel beam through the movable plate and the bottom plate bolt.

By adopting the technical scheme, when the novel wall surface fixing device needs to be installed on a wall surface, the bottom of the novel wall surface fixing device is directly pasted on the wall surface and is fixed by screws; when the angle iron beam is required to be installed on the angle iron beam, the movable plate and the support frame are opened and fixed through the fixing holes by bolts. Simple to operate need not other people's help, also need not the third party support and can fix the isolator installation on horizontal angle steel or groove steel sheet.

The utility model discloses further set up to: the two sides of the movable plate are provided with sliding grooves, and the free end of the supporting frame is provided with a sliding rod capable of moving in the sliding grooves.

Through adopting above-mentioned technical scheme, an angle is opened to the fly leaf, and the support frame can remove in the sliding tray of fly leaf, and the terminal angle card of opening with the fly leaf dies, and when the installation like this, the support frame can play the effect of support, makes the utility model discloses an installation is fixed more firmly.

The utility model discloses further set up to: the middle of the sliding groove is provided with a fixed stop block, the stop block divides the sliding groove into a first sliding groove and a second sliding groove, and the sliding rod at the top of the support frame is clamped at one end, away from the rotating shaft, of the first sliding groove and the second sliding groove.

By adopting the technical scheme, the opening and closing angle of the movable plate can be divided into two stages, when the support frame is positioned in the first sliding groove and is abutted against the stop block, the included angle between the movable plate and the bottom plate is 45 degrees, and the movable plate is suitable for being installed on the angle steel beam; when the support frame was in the one end that the axis of rotation was kept away from to the second sliding tray, the contained angle of fly leaf and bottom plate was 90 degrees, was fit for installing on the channel-section steel crossbeam this moment, the utility model discloses an application environment is more diversified.

The utility model discloses further set up to: one side of the movable plate facing the support frame is rotatably connected with a cover plate, and the cover plate is hinged to one end of the movable plate far away from the bottom plate.

By adopting the technical scheme, the cover plate is opened or closed by rotating by taking the hinged part as a shaft, and the support frame can be changed between the two sliding grooves after being opened, so that the support frame has a path for changing the sliding grooves, and the design is more scientific and reasonable.

The utility model discloses further set up to: the cover plate is provided with two first fixing holes which are transversely arranged, and the first fixing holes are superposed with the holes on the movable plate when the cover plate is closed.

Through adopting above-mentioned technical scheme, after the angle of fly leaf was selected, the apron closes and locks the support frame in the sliding tray, and the apron coincides with the fixed orifices of fly leaf. Therefore, the bolt can be fixed through the steel body beam and the fixing hole, and the cover plate is sealed, so that the support frame is prevented from sliding out of the sliding groove.

The utility model discloses further set up to: when the movable plate is in a closed state, the movable plate is embedded into the rectangular groove in the bottom of the bottom plate, and at the moment, the first fixing hole is overlapped with the second fixing hole in the bottom plate.

Through adopting above-mentioned technical scheme, thereby the fly leaf passes the fixed orifices with rivet or screw and can fix to plane or cylinder after closing, makes the utility model discloses an operational environment is more diversified.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses a fly leaf opens the difference of angle, service environment that can make is more diversified, like horizontal angle steel, horizontal channel-section steel, wall body, cylinder etc..

2. Through seting up the fixed orifices on fly leaf and the floor, during the installation directly through the bolt fastening can, simple to operate, labour saving and time saving.

3. Through rational design fly leaf and support frame for need not third party fixed bolster when the installation is fixed, save material cost.

Drawings

Fig. 1 is a schematic structural diagram of the isolating switch of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is an installation effect diagram of the utility model on the channel steel.

Fig. 4 is an installation effect diagram of the utility model on the angle steel.

In the figure, 1, a bottom plate; 11. a movable plate; 111. a stopper; 112. a cover plate; 12. a support frame; 13. a fixing hole; 131. a first fixing hole; 132. a second fixing hole; 14. a sliding groove; 141. a first sliding groove; 142. a second sliding groove; 2. a post insulator; 3. static contact; 4. and a contact arm.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a high-voltage line isolating switch, which comprises a bottom plate 1, post insulators 2, a static contact 3 and a contact arm 4, wherein the two insulators 2 are vertically fixed on the bottom plate 1; the top of post insulator 2 is fixed with static contact 3, touches the one end of arm 4 and the fixing base 33 swivelling joint on the static contact 3. A movable plate 11 is arranged in the middle of the bottom surface of the bottom plate 1, the movable plate 11 is connected with the bottom plate 1 through a rotating shaft, and the rotating shaft is axially connected with the bottom plate 1; one end of the bottom surface of the bottom plate 1 is rotatably connected with a support frame 12, and the free end of the support frame 12 is slidably connected with the movable plate 11 and supports the movable plate 11.

The movable plate 11 has two side edges formed with sliding grooves 14, a fixed stopper 111 is disposed in the middle of the sliding groove 14, the stopper divides the sliding groove 14 into a first sliding groove 141 and a second sliding groove 142, and a free end of the supporting frame 12 is provided with a sliding rod capable of moving in the sliding groove 14. The slide bar at the free end of the support frame 12 is clamped at one end of the first slide groove 141 and the second slide groove 142 away from the rotating shaft, and when the slide bar at the free end of the support frame 12 is located in the first slide groove 141 and abuts against the stopper 111, the included angle between the movable plate 11 and the bottom plate 1 is 45 degrees; when the sliding rod at the free end of the supporting frame 12 is located at the end of the second sliding groove 142 away from the rotating shaft, the included angle between the movable plate 11 and the bottom plate 1 is 90 degrees.

A cover plate 112 is rotatably connected to one side of the movable plate 11 facing the support frame 12, and the cover plate 112 is hinged to one end of the movable plate 11 far away from the bottom plate 1. The cover 112 has two first fixing holes 131 transversely arranged, the cover 112 is flush with the upper surface of the movable plate 11 after being closed, and the first fixing holes 131 are overlapped with the two holes on the movable plate 11 when the cover 112 is closed. When the movable plate 11 is closed, it is embedded in the rectangular groove at the bottom of the bottom plate 1, and at this time, the first fixing hole 131 is overlapped with the second fixing hole 132 on the bottom plate 1, so that the bottom plate 1 can maintain a flat state and be fixed with the mounting structure.

The cover plate 112 is opened or closed by rotating around the hinge joint, and the position of the support frame 12 can be changed between the first sliding groove 141 and the second sliding groove 142 after the cover plate is opened, so that the sliding rod at the free end of the support frame 12 has a path for changing the sliding grooves, and the design is more scientific and reasonable. After the angle of the movable plate 11 is selected, the cover plate 112 is closed to lock the sliding rod at the free end of the supporting frame 12 in the sliding slot 14, and the first fixing hole 131 coincides with the fixing hole of the movable plate 11. This allows the bolts to pass through the steel beam and the fixing holes 131 to fix it, and simultaneously seals the cover plate 112 to prevent the support frame 12 from sliding out of the sliding slot 14. The fly leaf 11 is closing the back, thereby can fix to plane or cylinder with the hole that rivet or screw passed fixed orifices 13 and bottom plate 1 both ends, makes the utility model discloses a service environment is more diversified.

Referring to fig. 3 and 4, when the movable plate 11 is opened at an angle, the supporting frame 12 will move in the sliding slot 14, and the opening angle of the movable plate 11 is blocked at the end away from the rotation axis, so that when the installation is performed, the supporting frame 12 will play a supporting role, and the installation and fixation of the present invention are more firm. The design of the middle stopper 111 of the sliding groove 14 can divide the opening and closing angle of the movable plate 11 into two stages, when the sliding rod at the free end of the supporting frame 12 is positioned in the first sliding groove 141 and abuts against the stopper 111, the included angle between the movable plate 11 and the bottom plate 1 is 45 degrees, and at this time, the movable plate is suitable for being installed on an angle iron beam; when the slide bar of support frame 12 free end was in the one end that the axis of rotation was kept away from to second sliding tray 142, the contained angle of fly leaf 11 and bottom plate 1 was 90 degrees, was fit for installing on the channel-section steel crossbeam this moment, and such design can make the utility model discloses an operational environment is more diversified.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A high-voltage line isolating switch comprises a bottom plate (1), post insulators (2), static contacts (3) and contact arms (4), wherein the two insulators (2) are vertically fixed on the bottom plate (1); the top of post insulator (2) is fixed with static contact (3), the one end that touches arm (4) with fixing base swivelling joint on static contact (3), its characterized in that: a movable plate (11) connected with the bottom plate (1) through a rotating shaft is arranged in the middle of the bottom surface of the bottom plate (1); bottom plate (1) bottom surface one end is rotated and is connected with support frame (12), the free end and fly leaf (11) sliding connection and the support fly leaf (11) of support frame (12), high-tension line isolator passes through fly leaf (11) and bottom plate (1) bolted connection on angle steel crossbeam or channel-section steel crossbeam.

2. A high voltage line disconnector according to claim 1, characterized in that: two sides of the movable plate (11) are provided with sliding grooves (14), and the free end of the support frame (12) is provided with a sliding rod capable of moving in the sliding grooves (14).

3. A high voltage line disconnector according to claim 2, characterized in that: the sliding groove (14) is provided with a fixed stop block (111) from the middle, the stop block (111) divides the sliding groove (14) into a first sliding groove (141) and a second sliding groove (142), and a sliding rod at the top of the support frame (12) is clamped at one end, away from the rotating shaft, of the first sliding groove (141) and the second sliding groove (142).

4. A high voltage line disconnector according to claim 3, characterized in that: when the support frame (12) is positioned in the first sliding groove (141) and abutted against the stop block (111), the included angle between the movable plate (11) and the bottom plate (1) is 45 degrees; when the support frame (12) is located at the tail end of the second sliding groove (142), the included angle between the movable plate (11) and the bottom plate (1) is 90.

5. A high voltage line disconnector according to claim 1, characterized in that: one side of the movable plate (11) facing the support frame (12) is rotatably connected with a cover plate (112), and the cover plate (112) is hinged to one end, far away from the bottom plate (1), of the movable plate (11) and covers the movable plate.

6. A high voltage line disconnector according to claim 5, characterized in that: the cover plate (112) is provided with two first fixing holes (131) which are transversely arranged, and the first fixing holes (131) are overlapped with the holes on the movable plate (11) when the cover plate (112) is closed.

7. A high voltage line disconnector according to claim 5, characterized in that: the cover plate (112) is flush with the upper surface of the movable plate (11) after being closed.

8. A high voltage line disconnector according to claim 6, characterized in that: when the movable plate (11) is in a closed state, the movable plate is embedded into the rectangular groove at the bottom of the bottom plate (1), and the first fixing hole (131) is overlapped with a second fixing hole (132) arranged on the bottom plate (1).