CN216251782U

CN216251782U - Double-control device for preventing switch from being pulled and closed by mistake in transformer substation

Info

Publication number: CN216251782U
Application number: CN202122812275.3U
Authority: CN
Inventors: 王明; 肖堃
Original assignee: Nanjing Qishun Electric Technology Co ltd
Current assignee: Nanjing Qishun Electric Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a double-control device for preventing a switch in a transformer substation from being pulled and closed by mistake, which comprises a box body and a rotating seat, wherein the rotating seat is arranged at the middle position in the box body and is rotationally connected with the box body through a rotating shaft, a tooth socket is arranged on the rear surface of the rotating seat, a rack is longitudinally arranged at the rear position of the rotating seat, the tooth socket of the rotating seat is meshed and connected with the rack, the rack is arranged on a guide rod, and the guide rod is arranged at the rear position of the rack. This be provided with and rotate seat, locating pin, rack, guide bar, uide bushing, pull head, first spring, second spring, first contactor, first contact terminal, second contactor and second contact terminal, the effect of the two accuses that makes the device play has increased the protective capacities of device, avoids the device to appear when using because the maloperation leads to arousing the problem of incident, has increased the security that the device used.

Description

Double-control device for preventing switch from being pulled and closed by mistake in transformer substation

Technical Field

The utility model relates to a double-control device for preventing a switch in a transformer substation from being pulled and closed by mistake.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. In a substation, which is a step-up substation, the purpose of which is to boost up the electrical energy generated by a generator and feed it into a high-voltage network, control switches are particularly common, because the performance of the switches determines the safety of the substation.

The existing device has the problems of low use safety and easy misoperation when the switch is used, and therefore, a double-control device for preventing the switch from being pulled and closed by mistake in a transformer substation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-control device for preventing a switch in a transformer substation from being pulled and closed by mistake, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a double control device for preventing a switch in a transformer substation from being pulled and closed by mistake comprises a box body and a rotating seat, wherein the rotating seat is arranged in the middle position in the box body, the rotating seat is rotationally connected with the box body through a rotating shaft, the rear surface of the rotating seat is provided with a tooth socket, a rack is longitudinally arranged at the rear part of the rotating seat, a tooth socket of the rotating seat is meshed and connected with the rack, the rack is arranged on the guide rod, the guide rod is arranged at the rear position of the rack, the guide sleeve is arranged at the rear position inside the box body, the guide rod is connected with the guide sleeve in a sliding way, a rotating shaft on the left side of the rotating seat is provided with a positioning gear, the lower end of the positioning pin penetrates through the box body to be connected with the pull head, and the upper end of the positioning pin is clamped in the positioning gear.

Preferably, the outer surface of the positioning pin is sleeved with a first spring, a first contact terminal is mounted at the rear position of the positioning pin, and a first contactor is arranged at the lower position of the first contact terminal.

Preferably, the first contactor is installed in the box body, and the installation position of the first contactor corresponds to the installation position of the first contact terminal.

Preferably, the guide rod below the guide sleeve is sleeved with a second spring, and the upper end of the guide sleeve is provided with a second contact terminal.

Preferably, a second contactor is mounted in the box above the second contact terminal, and the mounting position of the second contactor corresponds to the mounting position of the second contact terminal.

Preferably, the handle is installed to the one end of keeping away from the rack of rotating the seat, install the lock body in the box of rotating the seat top, be provided with the pilot lamp on the upper right side position of box front surface, be provided with control panel on the left side position of box front surface.

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

according to the utility model, the rotation seat, the positioning pin, the rack, the guide rod, the guide sleeve, the pull head, the first spring, the second spring, the first contactor, the first contact terminal, the second contactor and the second contact terminal are arranged, so that the device has a double-control effect, the protection capability of the device is increased, the problem of safety accidents caused by misoperation when the device is used is avoided, and the use safety of the device is improved.

Drawings

FIG. 1 is an external view of the apparatus of the present invention;

FIG. 2 is a side cross-sectional view of the device of FIG. 1 of the present invention;

FIG. 3 is a front cross-sectional view of the device of FIG. 1 of the present invention.

In the figure: 1. a box body; 2. an indicator light; 3. a handle; 4. a control panel; 5. a tooth socket; 6. a rotating seat; 7. positioning a gear; 8. positioning pins; 9. a first spring; 10. a second spring; 11. a first contactor; 12. a first contact terminal; 13. a slider; 14. a second contactor; 15. a second contact terminal; 16. a rack; 17. a guide bar; 18. a guide sleeve; 19. and a lock body.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a double control device for preventing a switch from being pulled and closed by mistake in a transformer substation comprises a box body 1 and a rotating seat 6, wherein the rotating seat 6 is arranged at the middle position in the box body 1, the rotating seat 6 is rotatably connected with the box body 1 through a rotating shaft, a tooth space 5 is arranged on the rear surface of the rotating seat 6, a rack 16 is longitudinally arranged at the rear position of the rotating seat 6, the tooth space 5 of the rotating seat 6 is meshed and connected with the rack 16, the rack 16 is arranged on a guide rod 17, the guide rod 17 is arranged at the rear position of the rack 16, a guide sleeve 18 is arranged at the rear position in the box body 1, the guide rod 17 is slidably connected with the guide sleeve 18, a positioning gear 7 is arranged on the rotating shaft at the left side of the rotating seat 6, a positioning pin 8 is arranged at the lower position of the positioning gear 7, the lower end of the positioning pin 8 penetrates through the box body 1 to be connected with a pull head 13, the upper end of the positioning pin 8 is clamped in the positioning gear 7, the outer surface of the positioning pin 8 is sleeved with a first spring 9, a first contact terminal 12 is installed at the rear position of the positioning pin 8, a first contactor 11 is arranged at the lower position of the first contact terminal 12, the first contactor 11 is installed in the box body 1, the installation position of the first contactor 11 corresponds to the installation position of the first contact terminal 12, a second spring 10 is sleeved on a guide rod 17 below a guide sleeve 18, a second contact terminal 15 is installed at the upper end of the guide sleeve 18, a second contactor 14 is installed in the box body 1 above the second contact terminal 15, the installation position of the second contactor 14 corresponds to the installation position of the second contact terminal 15, a handle 3 is installed at one end, far away from a rack 16, of the rotating seat 6, a lock body 19 is installed in the box body 1 above the rotating seat 6, an indicator lamp 2 is arranged at the upper right position of the front surface of the box body 1, and a control panel 4 is arranged at the left position of the front surface of the box body 1.

The working principle is as follows: when the box body 1 is used, the box body 1 is fixed on a working position, when opening and closing are needed, the pull head 13 is pulled at the moment, the pull head 13 drives the positioning pin 8 to move downwards, the first spring 9 stores force, the positioning pin 8 cancels the limit of the positioning gear 7, the positioning pin 8 moves downwards, the first contact terminal 12 is contacted with the first contactor 11, the indicator light 2 is lightened at the moment, the handle 3 is pulled downwards, the handle 3 drives the rotating seat 6 to rotate, the tooth space 5 is meshed with the rack 16 when the rotating seat 6 rotates, the rack 16 is driven to move upwards, the rack 16 drives the guide rod 17 to slide in the guide sleeve 18, the second spring 10 stores force when the guide rod 17 moves upwards, the indicator light 2 changes color when the second contact terminal 15 is contacted with the second contactor 14, the pull head 13 is loosened, the first spring 9 drives the positioning pin 8 to reset, the positioning pin 8 is clamped in the positioning gear 7, meanwhile, the lock body 19 is closed, similarly, when the switch needs to be closed, the pull head 13 still needs to be pulled downwards, at the moment, the second spring 10 drives the guide rod 17 to reset, the rack 16 and the rotating seat 6 reset in succession, at the moment, closing is completed, the pull head 13 is loosened after closing, the positioning pin 8 resets, the positioning pin 8 is clamped in the positioning gear 7, at the same time, the lock body 19 is opened, in the process, the rotating seat 6, the positioning pin 8, the rack 16, the guide rod 17, the guide sleeve 18, the pull head 13, the first spring 9, the second spring 10, the first contactor 11, the first contact terminal 12, the second contactor 14 and the second contact terminal 15 are matched for use, so that the device has a double-control effect, the protection capability of the device is improved, the problem of safety accidents caused by misoperation when the device is used is avoided, and the use safety of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent double control device of mistake switching on and shutting in transformer substation, includes box (1) and rotation seat (6), its characterized in that: the middle position inside the box body (1) is provided with a rotating seat (6), the rotating seat (6) is rotatably connected with the box body (1) through a rotating shaft, a tooth groove (5) is formed in the rear surface of the rotating seat (6), a rack (16) is longitudinally arranged at the rear position of the rotating seat (6), the tooth groove (5) of the rotating seat (6) is meshed with the rack (16) and is connected with the rack (16), the rack (16) is installed on a guide rod (17), the guide rod (17) is installed at the rear position of the rack (16), a guide sleeve (18) is arranged at the rear position inside the box body (1), the guide rod (17) is slidably connected with the guide sleeve (18), a positioning gear (7) is installed on the rotating shaft at the left side of the rotating seat (6), and a positioning pin (8) is arranged at the lower position of the positioning gear (7), the lower end of the positioning pin (8) penetrates through the box body (1) to be connected with the pull head (13), and the upper end of the positioning pin (8) is clamped in the positioning gear (7).

2. The double control device for preventing the switch from being pulled and closed by mistake in the transformer substation according to claim 1, is characterized in that: the outer surface of locating pin (8) overlaps and has first spring (9), install first contact terminal (12) on the rear position of locating pin (8), be provided with first contactor (11) on the below position of first contact terminal (12).

3. The dual-control device for preventing the switch from being pulled and closed by mistake in the transformer substation according to claim 2, is characterized in that: the first contactor (11) is installed in the box body (1), and the installation position of the first contactor (11) corresponds to the installation position of the first contact terminal (12).

4. The double control device for preventing the switch from being pulled and closed by mistake in the transformer substation according to claim 1, is characterized in that: the guide rod (17) below the guide sleeve (18) is sleeved with a second spring (10), and the upper end of the guide sleeve (18) is provided with a second contact terminal (15).

5. The dual-control device for preventing the switch from being pulled and closed by mistake in the transformer substation according to claim 4, is characterized in that: and a second contactor (14) is arranged in the box body (1) above the second contact terminal (15), and the installation position of the second contactor (14) corresponds to the installation position of the second contact terminal (15).

6. The double control device for preventing the switch from being pulled and closed by mistake in the transformer substation according to claim 1, is characterized in that: rotate seat (6) and keep away from rack (16) one end and install handle (3), install lock body (19) in box (1) of rotating seat (6) top, be provided with pilot lamp (2) on the upper right side position of box (1) front surface, be provided with control panel (4) on the left side position of box (1) front surface.