CN213484352U

CN213484352U - Low-voltage draw-out type switch cabinet

Info

Publication number: CN213484352U
Application number: CN202022499303.6U
Authority: CN
Inventors: 赵略谷; 鲁建新; 金志永
Original assignee: Wuhan Huayi High Tech Electric Co ltd
Current assignee: Wuhan Huayi High Tech Electric Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-18
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a low-voltage draw-out switch cabinet, which comprises a shell, a locking mechanism and an installation frame body; a housing: the middle part of the inner side surface of the shell is provided with a partition plate, the left side surface and the right side surface of the inner part of the shell are symmetrically provided with four sliding groove plates; installing a frame body: the L-shaped plates symmetrically arranged on the left side surface and the right side surface of the mounting frame body are respectively connected with two sliding groove plates which correspond to each other in a sliding mode, the number of the mounting frame bodies is two, a baffle plate is arranged on the front side surface of the mounting frame body, and a handle is arranged in the middle of the front side surface of the baffle plate; a locking mechanism: the back ends of the left side surface and the right side surface of the two mounting frame bodies are respectively arranged; wherein: still include the PLC controller, the PLC controller sets up in the left surface of casing, and external power source is connected to the input electricity of PLC controller, and this low pressure pull-out type cubical switchboard, the pulling of the easy to assemble framework closes, and the maintenance of the internal component of being convenient for can lock the fixing to the installation framework.

Description

Low-voltage draw-out type switch cabinet

Technical Field

The utility model relates to an electrical equipment technical field specifically is a low pressure pull-out type cubical switchboard.

Background

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, and the switch cabinet has a plurality of classification methods, such as a movable switch cabinet and a fixed switch cabinet 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 low-voltage draw-out type switch cabinet can be divided into a high-voltage switch cabinet, a medium-voltage switch cabinet, a low-voltage switch cabinet and the like according to different voltage grades, and is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial and textile, industrial and mining enterprises, residential quarters, high-rise buildings and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a low pressure pull-out type cubical switchboard, the taking out of the easy to assemble framework closes, and the maintenance of the internal component of being convenient for can lock the installation framework and fix, plays the guard action to the electrical components of internally mounted, can also prevent that installation framework (6) from being taken out completely, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage draw-out type switch cabinet comprises a shell, a locking mechanism and an installation frame body;

a housing: the middle part of the inner side surface of the shell is provided with a partition plate, the left side surface and the right side surface of the inner part of the shell are symmetrically provided with four sliding groove plates;

installing a frame body: the L-shaped plates symmetrically arranged on the left side surface and the right side surface of the mounting frame body are respectively connected with two sliding groove plates which correspond to each other in a sliding mode, the number of the mounting frame bodies is two, a baffle plate is arranged on the front side surface of the mounting frame body, and a handle is arranged in the middle of the front side surface of the baffle plate;

a locking mechanism: the back ends of the left side surface and the right side surface of the two mounting frame bodies are respectively arranged;

wherein: still include the PLC controller, the PLC controller sets up in the left surface of casing, and external power source is connected to the input electricity of PLC controller, and the pulling of the framework of easy to assemble closes, and the maintenance of the internal element of being convenient for can lock the installation framework and fix, plays the guard action to internally mounted's electrical components, can also prevent that the installation framework from being taken out completely.

Further, locking mechanism includes fixture block, square section of thick bamboo, I-shaped revolving stage, fixture block and connecting rod down, the equal symmetry in side rear end is provided with square section of thick bamboo about the installation framework, the equal sliding connection of upper end opening part of square section of thick bamboo has last fixture block, the equal sliding connection of lower extreme opening part of square section of thick bamboo has lower fixture block, the relative medial surface opening part of last fixture block that is located same square section of thick bamboo inside and lower fixture block all is connected with the connecting rod through the round pin axle rotation, all rotate through the middle part of round pin axle with the I-shaped revolving stage between two connecting rods that are located same square section of thick bamboo inside and be connected, it is more firm stable to lock, play the.

Furthermore, the middle of the front side face of the square tube is provided with a motor, an output shaft of the motor penetrates through a through hole in the front side face of the corresponding square tube and is fixedly connected with a central shaft of the corresponding I-shaped rotary table, and the input end of the motor is electrically connected with the output end of the PLC controller to provide driving force for locking and fixing the installation frame body.

Further, still include the rack board, the rack board bilateral symmetry respectively sets up in the upper surface of baffle and the inside bottom surface of casing, and the tooth that four lower fixture block lower extremes set up sets up with the rack board cooperation that corresponds respectively, goes up the fixture block and sets up with the chute board cooperation that corresponds respectively on four, and the convenience is fixed the installation frame body locking.

Further, still include activity stopper and fixed stopper, the activity stopper sets up respectively in the rear side lower extreme of L template, and fixed stopper sets up respectively in the front side upper end of chute board, and the activity stopper corresponds with fixed stopper position, can prevent that the installation frame integument from being taken out completely and leading to inside electrical components to drop.

Compared with the prior art, the beneficial effects of the utility model are that: this low pressure pull-out type cubical switchboard has following benefit:

the motor located on two sides of the same installation frame body is controlled to work through the PLC, an output shaft of the motor penetrates through a through hole in the front side face of the corresponding square cylinder and is fixedly connected with the center shaft of the corresponding I-shaped rotary table, the motor works to drive the I-shaped rotary table to rotate, the middle of the I-shaped rotary table is connected with two connecting rods through a pin shaft in a rotating mode, the upper end and the lower end of each connecting rod are respectively connected with the upper clamping block and the lower clamping block in a rotating mode, the motor drives the I-shaped rotary table to rotate 90 degrees, the upper clamping block and the lower clamping block located inside the same square cylinder slide back to back, the upper clamping block is in contact with the lower surface of the sliding chute plate, the lower clamping block is matched with the rack plate, the installation frame body is locked, the locking is firmer and more stable.

Drawings

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

FIG. 2 is a schematic side sectional view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the inner structure of the housing of the present invention;

fig. 4 is a schematic view of the locking structure in partial section.

In the figure: the device comprises a shell 1, a locking mechanism 2, an upper clamping block 21, a square barrel 22, an I-shaped rotary table 23, a lower clamping block 24, a connecting rod 25, a partition plate 3, a sliding groove plate 4, a 5L-shaped plate, an installation frame 6, a baffle plate 7, a handle 8, a rack plate 9, a motor 10, a movable limiting block 11, a fixed limiting block 12 and a PLC (programmable logic controller) 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-voltage draw-out type switch cabinet comprises a shell 1, a locking mechanism 2 and an installation frame body 6;

a housing 1: the middle part of the inner side surface of the shell is provided with a partition plate 3, the left side surface and the right side surface of the inner part of the shell 1 are symmetrically provided with four sliding groove plates 4, and an installation place is provided for an internal structure;

mounting the frame body 6: the L-shaped plates 5 symmetrically arranged on the left side and the right side are respectively connected with the two sliding groove plates 4 which transversely correspond to each other in a sliding manner, the number of the installation frame bodies 6 is two, the baffle 7 is arranged on the front side of the installation frame body 6, the handle 8 is arranged in the middle of the front side of the baffle 7, the installation frame body 6 is convenient to draw and close, and the baffle 7 can play a role in sealing and protecting the interior of the installation frame body 6;

the locking mechanism 2: the locking mechanism 2 comprises an upper clamping block 21, a square tube 22, an I-shaped rotary table 23, a lower clamping block 24 and connecting rods 25, the rear ends of the left and right side surfaces of the two mounting frame bodies 6 are symmetrically provided with the square tube 22, the upper opening of the square tube 22 is connected with the upper clamping block 21 in a sliding manner, the lower opening of the square tube 22 is connected with the lower clamping block 24 in a sliding manner, the opposite inner side surface openings of the upper clamping block 21 and the lower clamping block 24 in the same square tube 22 are connected with the connecting rods 25 in a rotating manner through pin shafts, the two connecting rods 25 in the same square tube 22 are connected with the middle part of the I-shaped rotary table 23 in a rotating manner through pin shafts, the middle part of the front side surface of the square tube 22 is provided with a motor 10, the output shaft of the motor 10 passes through a through hole in the front side surface of the corresponding square tube 22 and is fixedly connected with, the rack plates 9 are respectively arranged on the upper surface of the partition plate 3 and the inner bottom surface of the shell 1 in a bilateral symmetry manner, teeth arranged at the lower ends of four lower fixture blocks 24 are respectively matched with the corresponding rack plates 9, four upper fixture blocks 21 are respectively matched with the corresponding chute plates 4, the PLC 13 is used for controlling the motors 10 positioned at two sides of the same mounting frame body 6 to work, output shafts of the motors 10 penetrate through holes on the front side surfaces of the corresponding square cylinders 22 and are fixedly connected with central shafts of the corresponding I-shaped rotary tables 23, the motors 10 work to drive the I-shaped rotary tables 23 to rotate, the middle parts of the I-shaped rotary tables 23 are rotatably connected with two connecting rods 25 through pin shafts, the upper ends and the lower ends of the two connecting rods 25 are respectively rotatably connected with the upper fixture blocks 21 and the lower fixture blocks 24, the motors 10 drive the I-shaped rotary tables 23 to rotate 90 degrees, so that the upper fixture blocks 21 and the lower fixture blocks 24 positioned, the lower fixture block 24 is matched with the rack plate 9, so that the mounting frame body 6 is locked, electrical elements mounted inside the mounting frame body 6 are protected, and when the mounting frame body needs to be opened, the PLC 13 controls the motor 10 to rotate 90 degrees in the reverse direction;

wherein: still include PLC controller 13, PLC controller 13 sets up in the left surface of casing 1, and external power source is connected to PLC controller 13's input electricity, and PLC controller 13's output is connected to motor 10's input electricity, guarantees the normal operation of circuit.

Wherein: still include activity stopper 11 and fixed stopper 12, activity stopper 11 sets up respectively in the rear side lower extreme of L template 5, and fixed stopper 12 sets up respectively in the front side upper end of chute board 4, and activity stopper 11 corresponds with fixed stopper 12 position, can prevent that installation framework 6 from being taken out completely and leading to inside electrical components to drop.

When in use: the motors 10 on two sides of the same mounting frame 6 are controlled to work by the PLC 13, the output shafts of the motors 10 penetrate through the through holes on the front side surfaces of the corresponding square cylinders 22 and are fixedly connected with the central shafts of the corresponding I-shaped rotary tables 23, the motors 10 work to drive the I-shaped rotary tables 23 to rotate, the middle parts of the I-shaped rotary tables 23 are rotatably connected with two connecting rods 25 through pin shafts, the upper ends and the lower ends of the two connecting rods 25 are respectively rotatably connected with an upper clamping block 21 and a lower clamping block 24, the motors 10 drive the I-shaped rotary tables 23 to rotate 90 degrees, so that the upper clamping blocks 21 and the lower clamping blocks 24 in the same square cylinder 22 slide oppositely, the upper clamping blocks 21 are in contact with the lower surface of the chute plate 4, the lower clamping blocks 24 are matched with the rack plate 9, the mounting frame 6 is locked, electrical elements mounted in the mounting frame 6 are protected, and when the mounting frame 6, the L-shaped plates 5 symmetrically arranged on the left side and the right side of the installation frame body 6 are respectively in sliding connection with the two sliding groove plates 4 which transversely correspond to each other, the baffle 7 is pulled by the handle 8 to pull out the installation frame body 6, the installation frame body 6 is convenient to draw out, the baffle 7 can play a sealing protection role for the inside of the installation frame body 6, the movable limit blocks 11 arranged at the lower end of the rear side of the L-shaped plates 5 correspond to the fixed limit blocks 12 arranged at the upper end of the front side of each sliding groove plate 4, and the installation frame body 6 can be prevented from being completely drawn out to cause the falling.

It is to be noted that the motor 10 disclosed in this embodiment may be a speed reduction motor of SYN20J model, which is a product of electronics technologies ltd, sheng, zheng, the PLC controller 13 selects a PLC single chip microcomputer, which is a specific model of siemens S7-200, as a core chip, and the PLC controller 13 controls the motor 10 to operate by a method commonly used in the prior art.

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. The utility model provides a low pressure pull-out type cubical switchboard which characterized in that: comprises a shell (1), a locking mechanism (2) and an installation frame body (6);

housing (1): the middle part of the inner side surface of the shell is provided with a partition plate (3), the left side surface and the right side surface of the inner part of the shell (1) are symmetrically provided with four sliding groove plates (4);

mounting frame (6): the L-shaped plates (5) symmetrically arranged on the left side and the right side are respectively connected with two sliding groove plates (4) which correspond to each other in a sliding mode, the number of the installation frame bodies (6) is two, the front side face of each installation frame body (6) is provided with a baffle (7), and the middle of the front side face of each baffle (7) is provided with a handle (8);

locking mechanism (2): are respectively arranged at the rear ends of the left and right side surfaces of the two mounting frame bodies (6);

wherein: still include PLC controller (13), PLC controller (13) set up in the left surface of casing (1), and external power source is connected to the input electricity of PLC controller (13).

2. A low voltage draw-out switchgear as claimed in claim 1, wherein: locking mechanism (2) include fixture block (21), square section of thick bamboo (22), I-shaped revolving stage (23), fixture block (24) and connecting rod (25) down, the equal symmetry of side rear end is provided with square section of thick bamboo (22) about installation framework (6), and the equal sliding connection of upper end opening part of square section of thick bamboo (22) has last fixture block (21), and the equal sliding connection of lower extreme opening part of square section of thick bamboo (22) has lower fixture block (24), and last fixture block (21) that are located same square section of thick bamboo (22) inside all are connected with connecting rod (25) through the round pin axle rotation with the relative medial surface opening part of lower fixture block (24), all rotate through the round pin axle and be connected with the middle part of I-shaped revolving stage (23) between two connecting rod (25) that are.

3. A low voltage draw out switchgear as claimed in claim 2 wherein: the middle of the front side face of each square cylinder (22) is provided with a motor (10), an output shaft of each motor (10) penetrates through a through hole in the front side face of the corresponding square cylinder (22) and is fixedly connected with a central shaft of the corresponding I-shaped rotary table (23), and the input end of each motor (10) is electrically connected with the output end of the PLC (13).

4. A low voltage draw out switchgear as claimed in claim 2 wherein: still include rack plate (9), rack plate (9) bilateral symmetry respectively sets up in the upper surface of baffle (3) and the inside bottom surface of casing (1), and the tooth that four lower fixture block (24) lower extreme set up sets up with rack plate (9) cooperation that corresponds respectively, and four go up fixture block (21) and set up with the draw runner board (4) cooperation that corresponds respectively.

5. A low voltage draw-out switchgear as claimed in claim 1, wherein: the L-shaped template is characterized by further comprising a movable limiting block (11) and a fixed limiting block (12), wherein the movable limiting block (11) is arranged at the lower end of the rear side of the L-shaped template (5) respectively, the fixed limiting block (12) is arranged at the upper end of the front side of the sliding groove plate (4) respectively, and the movable limiting block (11) corresponds to the fixed limiting block (12) in position.