CN114039283A

CN114039283A - Armored switch cabinet for high-voltage chamber of transformer substation

Info

Publication number: CN114039283A
Application number: CN202111352628.4A
Authority: CN
Inventors: 王川; 胡仁祥; 李富武; 柯义柱; 高乐乐
Original assignee: Tulufan Power Supply Co Of State Grid Xinjiang Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Tulufan Power Supply Co Of State Grid Xinjiang Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-02-11

Abstract

The invention belongs to the technical field of armored switch cabinets, and particularly relates to an armored switch cabinet for a high-voltage chamber of a transformer substation, which comprises a cabinet body, wherein a hinge is fixed on the outer part of the cabinet body, a protective door is fixed on the outer part of the hinge, two sides of the cabinet body are respectively connected with a radiating blade in a through manner, a bearing frame is fixed on the inner part of the cabinet body, a protective shell is fixed on the outer part of the bearing frame, a support frame is fixed on one side of the bearing frame, which is far away from the protective door, a buffer spring is fixed on one end of the support frame, which is far away from the bearing frame, and the buffer spring is fixedly connected with the protective shell; according to the invention, the receiving frame is arranged in the cabinet body to be matched with the door lock, so that impact force can firstly act on the receiving frame when the door is closed by violence, and the impact force is dispersed and buffered through the buffer spring and the buffer air bag, thereby effectively weakening the influence of the impact force on the cabinet body, and further achieving the effect of preventing the looseness of components caused by the door being closed by violence.

Description

Armored switch cabinet for high-voltage chamber of transformer substation

Technical Field

The invention relates to the technical field of armored switch cabinets, in particular to an armored switch cabinet for a high-voltage chamber of a transformer substation.

Background

Electric power is the indispensable energy of people, and the multiple equipment that people used now all needs the support of electric power, and in case the life of the condition of outage people so must appear the confusion, at power transmission's in-process, armored switch cabinet has played important effect, and it has mainly played the effect such as break-make, control or protection to electric power.

The traditional armored switch cabinet is simple in design, and a buffer mechanism is not arranged in connection between a main body and a door, so that once too much force is applied to the main body of the switch cabinet in the process of closing the door by a worker, the main body of the switch cabinet is subjected to large force, vibration is caused, components in the cabinet body are loosened due to the vibration, and abnormal electric power is caused; therefore, in order to solve the above problems, an armored switch cabinet for a high-voltage chamber of a transformer substation is provided.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problem that the traditional switch cabinet cannot buffer the impact force generated when the door is closed, the invention provides an armored switch cabinet for a high-voltage chamber of a transformer substation.

The technical scheme adopted by the invention for solving the technical problems is as follows: the armored switch cabinet for the high-voltage chamber of the transformer substation comprises a cabinet body, wherein a hinge is fixed on the outer portion of the cabinet body, a protective door is fixed on the outer portion of the hinge, radiating blades are connected to two sides of the cabinet body in a penetrating mode, a bearing frame is fixed on the inner portion of the cabinet body, a protective shell is fixed on the outer portion of the bearing frame, a supporting frame is fixed on one side, away from the protective door, of the bearing frame, a buffer spring is fixed on one end, away from the bearing frame, of the supporting frame, and the buffer spring is fixedly connected with the protective shell; the during operation, when appearing violently closing the door, the lock core can apply an impact force to accepting the frame, and this power is used in buffer spring through the support frame to final compression buffer spring makes its deformation, so alright offset the impact force when closing the door, thereby reached the impact force when reducing the violence and closing the door, prevent the not hard up effect of components and parts, and the setting of radiator fin can effectually help it to dispel the heat during components and parts operation.

Preferably, both sides of the bearing frame are rotatably connected with push-pull rods, and one ends of the push-pull rods, which are far away from the bearing frame, are rotatably connected with reciprocating pull blocks; during operation, the bearing frame moves to pull the push-pull rod to move, the push-pull rod moves to push the reciprocating pull block to move, and force generated during the bearing frame moves is further dispersed, so that the shock absorption effect is improved.

Preferably, both sides of the support frame are fixed with limit frames, the limit frames are connected with the buffer spring in a sliding manner, and one side of each limit frame, which is far away from the buffer spring, is fixed with a buffer air bag; during operation, the buffering air bag can exert a supporting force on the supporting frame, and in the movement process of the supporting frame, impact force generated when the door is closed by violence is effectively dispersed.

Preferably, a connecting rod is fixed at one end of the reciprocating pull block, which is far away from the push-pull rod, a pressurizing plug is fixed at one end of the connecting rod, which is far away from the reciprocating pull block, a hollow column is connected to the outside of the pressurizing plug in a sliding manner, and the hollow column is communicated with the connecting rod; during operation, thereby the connecting rod motion is promoted the connecting rod motion to the reciprocal piece that draws, thereby the connecting rod motion drives the pressurization stopper and slides in hollow post, and along with going on of pressurization stopper motion this moment, the inside pressure of hollow post can increase to extrude its inside air, prepare for subsequent buffering.

Preferably, one end of the buffering air bag, which is far away from the support frame, is in through connection with an air inlet valve, an air guide pipe is in through connection with the inside of the air inlet valve, a sealing plug is fixed at one end of the air guide pipe, which is far away from the air inlet valve, and the sealing plug is fixedly connected with the hollow column; during operation, the air is extruded through the sealing plug, and the air of extruding has been injected into the admission valve through the air duct to finally inject into buffering gasbag through the admission valve in, buffering gasbag at this moment just can begin to expand, and the buffering gasbag after the inflation contacts with the support frame, exerts a thrust to it, thereby supports also further reduction the impact force when the violence closes the door when the support frame.

Preferably, both sides of the bearing frame are fixed with extrusion springs, and one end of each extrusion spring, which is far away from the bearing frame, is fixed with a fastening plate; during operation, when the lock core was inserted and is accepted the frame in, it can exert a power to the mounting plate, and this power is used in extrusion spring through the mounting plate to final compression extrusion spring makes its shrink, and extrusion spring this moment can exert a reverse acting force to the lock core through the mounting plate, thereby withholds the lock core, so just reached the improvement and closed the effect when closing the door.

Preferably, a circle of sealing strip is fixed on the inner surface of the protective door (2) through an assembling groove. Therefore, the sealing effect of the protective door is better, the force generated when the door is closed violently can be unloaded by the sealing strip, and finally the protection of the whole switch cabinet is more facilitated.

Preferably, the fastening plate (20) has a wedge-shaped structure, and the width of the cross section of the wedge-shaped structure is gradually increased along the direction far away from the protective door (2). Therefore, the friction force when the lock cylinder contacts the fastening plate can be gradually increased, and the smooth buffering is realized.

Preferably, a mechanical lock for locking the protective door (2) and the cabinet body (1) is mounted on the protective door (2), and a lock cylinder of the mechanical lock corresponds to the position of the bearing frame (5). The bearing frame should align with the lock core better when the design, so can play the biggest protective effect.

Preferably, the inner bottom surface of the bearing frame (5) is of an inclined structure, and the height of the inner bottom surface of the bearing frame (5) from the ground is gradually increased along the direction far away from the protective door (2). Therefore, the lock cylinder can smoothly enter the bearing range of the bearing frame.

The invention has the advantages that:

1. according to the invention, the receiving frame is arranged in the cabinet body to be matched with the door lock, so that impact force can firstly act on the receiving frame when the door is closed violently, and the impact force is dispersed and buffered through the buffer spring and the buffer air bag, thereby effectively weakening the influence of the impact force on the cabinet body, and further achieving the effect of preventing the looseness of components caused by the door being closed violently;

2. according to the invention, the extrusion spring is contracted when the door is closed, and the extrusion spring exerts a reverse acting force on the lock cylinder through the fastening plate, so that the lock cylinder is clamped, and the effect of improving the locking effect when the door is closed is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the carrying frame structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of a carrier structure according to a second embodiment of the present invention.

In the figure: 1. a cabinet body; 2. a protective door; 3. a hinge; 4. a heat dissipating fin; 5. a receiving frame; 6. a protective housing; 7. a support frame; 8. a buffer spring; 9. a push-pull rod; 10. pulling the block in a reciprocating manner; 11. a connecting rod; 12. a pressure plug; 13. a hollow column; 14. a sealing plug; 15. an air duct; 16. an intake valve; 17. a buffer air bag; 18. a limiting frame; 19. a compression spring; 20. and (7) fastening the plate.

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 to 3, an armored switch cabinet for a high-voltage chamber of a transformer substation comprises a cabinet body 1, wherein a hinge 3 is fixed outside the cabinet body 1, a protective door 2 is fixed outside the hinge 3, two sides of the cabinet body 1 are both connected with radiating blades 4 in a through manner, a receiving frame 5 is fixed inside the cabinet body 1, a protective shell 6 is fixed outside the receiving frame 5, a support frame 7 is fixed on one side of the receiving frame 5 away from the protective door 2, a buffer spring 8 is fixed on one end of the support frame 7 away from the receiving frame 5, and the buffer spring 8 is fixedly connected with the protective shell 6; the during operation, will accept frame 5 and install to the regional with the lock core looks adaptation of guard gate 2 in, the in-process of guard gate 2 is closed to the staff, guard gate 2 can drive hinge 3 and rotate, thereby gradually with the contact of the cabinet body 1, in this in-process guard gate 2 can drive the lock core and insert to accepting in the frame 5, when the violence door is closed to appear, the lock core can apply an impact force to accepting frame 5, this power acts on buffer spring 8 through support frame 7, and final compression buffer spring 8 makes its deformation, so alright offset the impact force when closing the door, thereby reached and reduced the impact force when the violence door is closed, prevent the not hard up effect of components and parts, and the setting up of cooling fin 4 can effectually help it to dispel the heat during components and parts operation.

Two sides of the bearing frame 5 are rotatably connected with push-pull rods 9, and one end of each push-pull rod 9, which is far away from the bearing frame 5, is rotatably connected with a reciprocating pull block 10; during operation, the receiving frame 5 can simultaneously pull the push-pull rod 9 to move in the moving process, the push-pull rod 9 moves to push the reciprocating pull block 10 to move, and force generated in the moving process of the receiving frame 5 is further dispersed, so that the shock absorption effect is improved.

Both sides of the support frame 7 are fixed with limit frames 18, the limit frames 18 are connected with the buffer spring 8 in a sliding manner, and one side of each limit frame 18, which is far away from the buffer spring 8, is fixed with a buffer air bag 17; during operation, the buffering airbag 17 can exert a supporting force on the supporting frame 7, and in the movement process of the supporting frame 7, the impact force generated when the door is closed by violence is effectively dispersed, and the limiting frame 18 can effectively limit the buffering airbag 17 downwards.

A connecting rod 11 is fixed at one end of the reciprocating pull block 10 far away from the push-pull rod 9, a pressurizing plug 12 is fixed at one end of the connecting rod 11 far away from the reciprocating pull block 10, a hollow column 13 is connected outside the pressurizing plug 12 in a sliding manner, and the hollow column 13 is communicated with the connecting rod 11; during operation, the reciprocating pull block 10 moves to push the connecting rod 11 to move, so that the connecting rod 11 moves to drive the pressurizing plug 12 to slide in the hollow column 13, at the moment, along with the movement of the pressurizing plug 12, the pressure inside the hollow column 13 can be increased, and the air inside the hollow column is extruded out, so that air flow can be generated in the door closing process, and preparation is made for subsequent buffering.

An air inlet valve 16 is connected to one end, far away from the support frame 7, of the buffering air bag 17 in a through mode, an air guide pipe 15 is connected to the interior of the air inlet valve 16 in a through mode, a sealing plug 14 is fixed to one end, far away from the air inlet valve 16, of the air guide pipe 15, and the sealing plug 14 is fixedly connected with the hollow column 13; when the door closer works, air is extruded out through the sealing plug 14, the extruded air is injected into the air inlet valve 16 through the air guide pipe 15 and is finally injected into the buffering air bag 17 through the air inlet valve 16, the buffering air bag 17 at the moment starts to expand, the expanded buffering air bag 17 is in contact with the support frame 7, and a thrust force is applied to the support frame 7, so that the impact force generated when the door is closed violently is further reduced while the support frame 7 is supported.

Example two

Referring to fig. 4, in a first comparative example, as another embodiment of the present invention, pressing springs 19 are fixed on both sides of the receiving frame 5, and a fastening plate 20 is fixed on one end of each pressing spring 19 away from the receiving frame 5; during operation, when the lock core was inserted and is accepted in the frame 5, it can exert a power to mounting plate 20, and this power is acted on extrusion spring 19 through mounting plate 20 to final compression extrusion spring 19 makes its shrink, and extrusion spring 19 at this moment can exert a reverse effort to the lock core through mounting plate 20, thereby grasps the lock core, so just reached and improved the tight effect of closing when closing the door, prevented the condition of crack from appearing.

The working principle is that when the door is installed, the bearing frame 5 is required to be installed in an area matched with the lock cylinder of the protective door 2, the protective door 2 can drive the hinge 3 to rotate in the process that a worker closes the protective door 2, so that the protective door gradually contacts with the cabinet body 1, the protective door 2 can drive the lock cylinder to be inserted into the bearing frame 5 in the process, when the door is closed by violence, the lock cylinder can apply an impact force to the bearing frame 5, the force acts on the buffer spring 8 through the support frame 7, and finally the buffer spring 8 is compressed to deform, so that the impact force in the door closing process can be offset, the impact force in the door closing process is reduced, the effect of preventing components from loosening is achieved, and the heat dissipation blades 4 can effectively help the components to dissipate heat in the operation process of the components;

the receiving frame 5 can simultaneously pull the push-pull rod 9 to move in the process of compressing the buffer spring 8 to move, the push-pull rod 9 moves to push the reciprocating pull block 10 to move, the force generated when the receiving frame 5 moves is further dispersed, thereby helping to improve the damping effect, at the moment, the reciprocating pull block 10 moves to push the connecting rod 11 to move, the connecting rod 11 moves to drive the pressurizing plug 12 to slide in the hollow column 13, at the moment, along with the movement of the pressurizing plug 12, the pressure inside the hollow column 13 is increased, so that the air inside the air-tight plug 14 is extruded out, the extruded air is injected into the air inlet valve 16 through the air duct 15, and finally injected into the buffering air bag 17 through the air inlet valve 16, the buffering air bag 17 at the moment starts to expand, the expanded buffering air bag 17 is contacted with the support frame 7, a pushing force is applied to the door frame, so that the impact force generated when the door is closed violently is further reduced while the supporting frame 7 is supported;

when the lock core of guard gate 2 was inserted and is accepted in the frame 5, it can exert a power to mounting plate 20, and this power is acted on extrusion spring 19 through mounting plate 20 to final compression extrusion spring 19 makes its shrink, and extrusion spring 19 at this moment can exert a reverse acting force to the lock core through mounting plate 20, thereby grasps the lock core, so just reached the tight effect of closing when improving the door, prevented the condition of crack from appearing.

EXAMPLE III

In the third embodiment, a ring of sealing strip is further fixed on the inner surface of the protective door through an assembling groove on the basis of the second embodiment. Therefore, the sealing effect of the protective door is better, the force generated when the door is closed violently can be unloaded by the sealing strip, and finally the protection of the whole switch cabinet is more facilitated. The fastening plate 20 has a wedge-shaped structure, and the width of the cross section thereof increases gradually in a direction away from the protective door 2. Therefore, the friction force when the lock cylinder contacts the fastening plate can be gradually increased, and the smooth buffering is realized. The protective door 2 is provided with a mechanical lock for locking the protective door 2 and the cabinet body 1, and a lock cylinder of the mechanical lock corresponds to the position of the bearing frame 5. The bearing frame should align with the lock core better when the design, so can play the biggest protective effect. The inner bottom surface of the bearing frame 5 is of an inclined structure, and the height of the inner bottom surface of the bearing frame 5 from the ground along the direction far away from the protective door 2 is gradually increased. Therefore, the lock cylinder can smoothly enter the bearing range of the bearing frame.

While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a transformer substation is armor formula cubical switchboard for hyperbaric chamber which characterized in that: including the cabinet body (1), the cabinet body (1) external fixation has hinge (3), hinge (3) external fixation has guard gate (2), the cabinet body (1) both sides all through connection have radiator vane (4), the cabinet body (1) inside is fixed with accepting frame (5), accepting frame (5) external fixation has protective housing (6), one side that protective gate (2) were kept away from in accepting frame (5) is fixed with support frame (7), the one end that accepting frame (5) were kept away from in support frame (7) is fixed with buffer spring (8), buffer spring (8) and protective housing (6) fixed connection.

2. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 1, wherein: the two sides of the bearing frame (5) are rotatably connected with push-pull rods (9), and one ends, far away from the bearing frame (5), of the push-pull rods (9) are rotatably connected with reciprocating pull blocks (10).

3. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 1, wherein: both sides of the support frame (7) are fixed with limit frames (18), the limit frames (18) are connected with the buffer spring (8) in a sliding mode, and one side, away from the buffer spring (8), of each limit frame (18) is fixed with a buffer air bag (17).

4. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 2, wherein: a connecting rod (11) is fixed to one end, far away from the push-pull rod (9), of the reciprocating pull block (10), a pressurizing plug (12) is fixed to one end, far away from the reciprocating pull block (10), of the connecting rod (11), a hollow column (13) is connected to the outer portion of the pressurizing plug (12) in a sliding mode, and the hollow column (13) is connected with the connecting rod (11) in a penetrating mode.

5. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 3, wherein: buffer airbag (17) keep away from one end through connection of support frame (7) has admission valve (16), admission valve (16) inside through connection has air duct (15), the one end that admission valve (16) were kept away from in air duct (15) is fixed with sealing plug (14), sealing plug (14) and hollow post (13) fixed connection.

6. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 1, wherein: extrusion springs (19) are fixed on two sides of the bearing frame (5), and a fastening plate (20) is fixed at one end, far away from the bearing frame (5), of each extrusion spring (19).

7. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 1, wherein: and a circle of sealing strip is fixed on the inner surface of the protective door (2) through an assembling groove.

8. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 6, wherein: the fastening plate (20) is of a wedge-shaped structure, and the width of the cross section of the fastening plate along the direction far away from the protective door (2) is gradually increased.

9. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 1, wherein: the protective door (2) is provided with a mechanical lock for locking the protective door (2) and the cabinet body (1), and the lock cylinder of the mechanical lock corresponds to the position of the bearing frame (5).

10. The armored switch cabinet for the high-voltage chamber of the transformer substation of claim 9, wherein: the inner bottom surface of the bearing frame (5) is of an inclined structure, and the height of the inner bottom surface of the bearing frame (5) from the ground along the direction far away from the protective door (2) is gradually increased.