CN111082346B

CN111082346B - Switch cabinet with mechanical switch damping device

Info

Publication number: CN111082346B
Application number: CN202010048693.7A
Authority: CN
Inventors: 戴俊镭; 吴桢
Original assignee: ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd
Current assignee: ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2021-08-24
Anticipated expiration: 2040-01-16
Also published as: CN111082346A

Abstract

The invention relates to a switch cabinet with a damping device of a mechanical switch, which comprises a switch cabinet body, a cabinet door, a side plate, a mounting plate, a torsional spring, a lock pin, a lock hole and a handle, wherein a containing cavity for containing the mounting plate is arranged at the middle position of one side surface of the front end surface of the cabinet door close to the side plate, the mounting plate is rotatably connected inside the containing cavity through a rotating shaft, the inner wall of the torsional spring is tightly connected with the annular side surface of the rotating shaft, one side surface of the mounting plate close to the side plate is provided with a cavity, the lock pin is tightly connected with the inner wall of the cavity through a limiting spring, the lock hole is arranged at one side surface of the side plate close to the mounting plate, the front surface of the mounting plate is provided with a groove body, and the handle is fixedly arranged inside the groove body. Meanwhile, when the lock pin enters the lock opening, the rigid collision between the cabinet door and the switch cabinet body is reduced by utilizing the characteristic of the torsion spring.

Description

Switch cabinet with mechanical switch damping device

Technical Field

The invention relates to the field of switch cabinet equipment, in particular to a switch cabinet with a mechanical switch damping device.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

Among the prior art cubical switchboard need the people for carrying out periodic maintenance, need open the cabinet door of cubical switchboard when overhauing, when closing the cabinet door, can produce the rigidity collision between cabinet door and the cubical switchboard, the power that the rigidity collision produced is great, can lead to cabinet door or cubical switchboard to warp, to sum up, this application now provides a cubical switchboard with mechanical switch damping device and solves the problem that the aforesaid appears.

Disclosure of Invention

The invention aims to provide a switch cabinet with a mechanical switch damping device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a switch cabinet with a mechanical switch damping device comprises a switch cabinet body, a cabinet door, a side plate, a mounting plate, a torsional spring, a lock pin, a lock hole and a handle, wherein the cabinet door is hinged on the front end face of the switch cabinet body, the side plate is fixedly arranged on one side of the front end face of the switch cabinet body, which is far away from the hinged part of the cabinet door and the switch cabinet body, a containing cavity for containing the mounting plate is arranged at the middle position of one side face of the front end face of the cabinet door, which is close to the side plate, the mounting plate is rotatably connected inside the containing cavity through a rotating shaft, the torsional spring is fixedly arranged inside the containing cavity where the mounting plate is arranged and sleeved on the annular side face of the rotating shaft, the inner wall of the torsional spring is tightly connected with the annular side face of the rotating shaft, a cavity is arranged on one side face of the mounting plate, which is close to one side face of the mounting plate, and the lock pin is matched with the lock hole, the front surface of mounting panel has seted up the cell body, the handle is fixed to be set up inside the cell body.

Preferably, still include the stabilizer blade, the stabilizer blade is equipped with four, four the stabilizer blade sets up four edges and corners on the terminal surface respectively under the cubical switchboard body.

Preferably, the mounting plate further comprises a baffle plate, and the baffle plate is fixedly arranged in the front position inside the accommodating cavity where the mounting plate is located.

Preferably, the device further comprises an auxiliary shock absorption mechanism; damper includes shock attenuation gasket, support plate, mount pad, slider and connecting rod, the mount pad is inlayed in the cubical switchboard body and is close to a side of cabinet door, the support plate side is provided with the slider, slider sliding connection is at the mount pad inner wall, the connecting rod is fixed in a side that the support plate is close to the mounting panel, shock attenuation gasket sets up the one end that is close to the mounting panel at the connecting rod.

More preferably, the damping mechanism further comprises a second damping spring, one end of the second damping spring is tightly connected with the carrier plate, and the other end of the second damping spring is tightly connected with the opposite surface of the carrier plate in the mounting seat.

More preferably, the damping mechanism further comprises a first damping spring and a movable plate, and the movable plate is provided with the first damping spring opposite to the mounting seat.

More preferably, damper still includes warning light, contact switch and feeler lever, the warning light sets up the position that is close to the mounting panel at cabinet door front surface, the feeler lever is fixed to be set up the side of keeping away from the mounting panel at the fly leaf, contact switch sets up the opposite face at the inside fly leaf of mount pad, warning light and contact switch electric connection.

More preferably, the outer surface of the warning lamp is wrapped with a red rubber sleeve.

Compared with the prior art, the invention has the beneficial effects that: 1. the mounting plate is driven to rotate through the rotating shaft, the lock pin is driven to leave or enter the lock opening through the characteristic of the limiting spring, and meanwhile, when the lock pin enters the lock opening, the rigid collision between the cabinet door and the switch cabinet body is relieved by utilizing the characteristic of the torsion spring;

2. according to the invention, through the damping gasket, the support plate, the mounting seat, the sliding block, the connecting rod and the second damping spring, the impact force of the mounting plate is preliminarily absorbed by the damping gasket, and the rigid collision between the cabinet door and the switch cabinet body is preliminarily reduced;

3. according to the invention, the impact force of the mounting plate is further absorbed for the second time through the first damping spring and the movable plate, so that the rigid collision between the cabinet door and the switch cabinet body is further reduced;

4. according to the invention, through the warning lamp, the contact switch and the contact rod, the relative position between the mounting plate and the switch cabinet body is ensured, and the lock pin is ensured to be always positioned in the lock opening.

Drawings

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

FIG. 2 is a schematic diagram of a position structure of the limiting spring in FIG. 1;

FIG. 3 is a schematic structural diagram of the positions of the torsion spring and the rotating shaft in FIG. 1;

fig. 4 is a schematic structural view of the damper mechanism in fig. 1.

In the reference symbols: 1. a switch cabinet body; 2. a support leg; 3. a cabinet door; 4. mounting a plate; 5. a lock pin; 6. a lock hole; 7. a baffle plate; 8. a warning light; 9. a side plate; 10. a limiting spring; 11. a cavity; 12. a handle; 13. a trough body; 14. a torsion spring; 15. a rotating shaft; 16. a shock-absorbing pad; 17. a carrier plate; 18. a first damping spring; 19. a second damping spring; 20. a contact switch; 21. a feeler lever; 22. a movable plate; 23. a mounting seat; 24. a slider; 25. a connecting rod.

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.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: a switch cabinet with a damping device for a mechanical switch comprises a switch cabinet body 1, a cabinet door 3, a side plate 9, a mounting plate 4, a torsion spring 14, a lock pin 5, a lock hole 6 and a handle 12, wherein the cabinet door 3 is hinged to the front end face of the switch cabinet body 1, the side plate 9 is fixedly arranged on one side of the front end face of the switch cabinet body 1, which is far away from the hinged position of the cabinet door 3 and the switch cabinet body 1, a containing cavity for containing the mounting plate 4 is arranged at the middle position of one side face of the front end face of the cabinet door 3, which is close to the side plate 9, the mounting plate 4 is rotatably connected inside the containing cavity through a rotating shaft 15, the torsion spring 14 is fixedly arranged inside the containing cavity where the mounting plate 4 is arranged and sleeved on the annular side face of the rotating shaft 15, the inner wall of the torsion spring 14 is tightly connected with the, the lockhole 6 is opened and is close to a side of the mounting plate 4 in the lateral plate 9, and the lock pin 5 is matched with the lockhole 6, a groove body is opened on the front surface of the mounting plate 4, and the handle 12 is fixedly arranged in the groove body.

The working process is as follows: the user stretches into the cell body with the hand, utilizes handle 12 pulling mounting panel 4, makes mounting panel 4 rotate through pivot 15 to drive the deformation of torsional spring 14, make lockpin 5 leave the fore shaft, open cabinet door 3, when needing to close cabinet door 3, lockpin 5 inserts inside the fore shaft, and the elasticity of torsional spring 14 can absorb partly impact force that is transmitted from cabinet door 3 simultaneously.

Example two

As a preferable scheme of the first embodiment, please refer to fig. 4, further comprising an auxiliary damping mechanism; damper includes shock absorber gasket 16, support plate 17, mount pad 23, slider 24, connecting rod 25 and second damping spring 19, mount pad 23 is inlayed in the cubical switchboard body 1 and is close to a side of cabinet door 3, support plate 17 side is provided with

slider

24, 24 sliding connection of slider are at the 23 inner walls of mount pad, connecting rod 25 is fixed at a side that support plate 17 is close to mounting panel 4, shock absorber gasket 16 sets up the one end that is close to mounting panel 4 at connecting rod 25, second damping spring 19's one end and support plate 17 zonulae occludens, the opposite zonulae occludens of other end and mount pad 23 intermediate load plate 17.

The working process is as follows: when a user closes the cabinet door 3, the cabinet door 3 rotates towards the direction of closing the switch cabinet body 1, the mounting plate 4 is driven to move towards the direction of the damping gasket 16, after the mounting plate 4 is contacted with the damping gasket 16, the damping gasket 16 transmits impact force to the connecting rod 25, the connecting rod 25 transmits the impact force to the support plate 17, and the support plate 17 is driven to slide on the inner wall of the mounting seat 23 through the sliding block 24, the support plate 17 transmits the impact force to the second damping spring 19, the second damping spring 19 deforms and contracts until the lock pin 5 enters the inside of the lock opening, and the damping gasket 16 and the second damping spring 19 perform primary absorption on the impact force of the cabinet door 3.

EXAMPLE III

Referring to fig. 4, as a scheme of the second embodiment, the damping mechanism further includes a first damping spring 18 and a movable plate 22, and the first damping spring 18 is disposed on a surface of the movable plate 22 opposite to the mounting seat 23.

The working process is as follows: during the sliding process of the carrier plate 17 inside the mounting seat 23, the carrier plate contacts with the movable plate 22, the movable plate 22 transmits the residual force to the first damping spring 18, the first damping spring 18 contracts, and the first damping spring 18 further absorbs and filters the impact force of the cabinet door 3.

Example four

As another scheme of the second embodiment, referring to fig. 4, the damping mechanism further includes a warning light 8, a contact switch 20 and a contact rod 21, the warning light 8 is disposed on a front surface of the cabinet door 3 near the mounting plate 4, the contact rod 21 is fixedly disposed on a side surface of the movable plate 22 far away from the mounting plate 4, the contact switch 20 is disposed on an opposite surface of the movable plate 22 inside the mounting seat 23, and the warning light 8 is electrically connected to the contact switch 20.

The working process is as follows: when the lock pin 5 is inserted into the lock opening, the movable opening drives the contact rod 21 to contact with the contact switch 20, so that the contact switch 20 controls the warning lamp 8 to emit light, the normal light of the warning lamp 8 indicates that the lock pin 5 and the lock opening are in a normal insertion state, and if the warning lamp 8 goes out, the lock pin 5 and the lock opening are separated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A switch cabinet with a mechanical switch damping device comprises a switch cabinet body (1);

it is characterized by also comprising:

the cabinet door (3) is hinged to the front end face of the switch cabinet body (1);

the side plate (9) is fixedly arranged on one side, away from the hinged position of the cabinet door (3) and the switch cabinet body (1), of the front end surface of the switch cabinet body (1);

the cabinet door is characterized by comprising a mounting plate (4), wherein an accommodating cavity for accommodating the mounting plate (4) is formed in the middle position of one side face of the front end face of the cabinet door (3) close to a side plate (9), and the mounting plate (4) is rotatably connected inside the accommodating cavity through a rotating shaft (15);

the torsion spring (14) is fixedly arranged in the accommodating cavity where the mounting plate (4) is located and sleeved on the annular side face of the rotating shaft (15), and the inner wall of the torsion spring (14) is tightly connected with the annular side face of the rotating shaft (15);

the side surface, close to the side plate (9), of the mounting plate (4) is provided with a cavity, and the lock pin (5) is tightly connected with the inner wall of the cavity through a limiting spring;

the lock hole (6) is formed in one side face, close to the mounting plate (4), of the side plate (9), and the lock pin (5) is matched with the lock hole (6);

the front surface of the mounting plate (4) is provided with a groove body, and the handle (12) is fixedly arranged inside the groove body;

the device also comprises an auxiliary damping mechanism; damper includes shock attenuation gasket (16), support plate (17), mount pad (23), slider (24) and connecting rod (25), mount pad (23) are inlayed in a side that is close to cabinet door (3) in the cubical switchboard body (1), support plate (17) side is provided with slider (24), slider (24) sliding connection is in mount pad (23) inner wall, a side that is close to mounting panel (4) in support plate (17) is fixed in connecting rod (25), shock attenuation gasket (16) set up the one end that is close to mounting panel (4) in connecting rod (25).

2. The switch cabinet with the mechanical switch damping device according to claim 1, wherein: still include stabilizer blade (2), stabilizer blade (2) are equipped with four, four stabilizer blade (2) set up four edges and corners on the terminal surface respectively under the cubical switchboard body (1).

3. The switch cabinet with the mechanical switch damping device according to claim 1, wherein: still include baffle (7), baffle (7) are fixed to be set up and are leaned on the front side position in the chamber that holds that mounting panel (4) are located.

4. The switch cabinet with the mechanical switch damping device according to claim 1, wherein: the damping mechanism further comprises a second damping spring (19), one end of the second damping spring (19) is tightly connected with the carrier plate (17), and the other end of the second damping spring is tightly connected with the opposite surface of the carrier plate (17) in the mounting seat (23).

5. The switch cabinet with the mechanical switch damping device according to claim 1, wherein: the damping mechanism further comprises a first damping spring (18) and a movable plate (22), and the first damping spring (18) is arranged on the surface, opposite to the mounting seat (23), of the movable plate (22).

6. A switchgear cabinet with a damping device for mechanical switches, according to claim 5, characterized in that: damper still includes warning light (8), contact switch (20) and feeler lever (21), warning light (8) set up the position that is close to mounting panel (4) at cabinet door (3) front surface, feeler lever (21) are fixed to be set up the side of keeping away from mounting panel (4) at fly leaf (22), contact switch (20) set up the opposite face at mount pad (23) inside fly leaf (22), warning light (8) and contact switch (20) electric connection.

7. The switch cabinet with the mechanical switch damping device according to claim 6, wherein: the outer surface of the warning lamp (8) is wrapped with a red rubber sleeve.