CN217182749U

CN217182749U - Installation frame pull-out type low-voltage switchgear

Info

Publication number: CN217182749U
Application number: CN202122956437.0U
Authority: CN
Inventors: 任俊; 李�浩; 吕福权
Original assignee: Jiangsu Yangkai Electric Power Equipment Co ltd
Current assignee: Jiangsu Yangkai Electric Power Equipment Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-08-12
Anticipated expiration: 2031-11-29

Abstract

The utility model provides an installation frame pull-out type low-voltage switchgear, belongs to distribution equipment technical field, and the cubical switchboard bottom is equipped with drive mechanism, and the screw rod is made original place rotary motion on panel and backplate, and under the rotation of screw rod, movable nut drives the frame on slider and the slider and is the back-and-forth movement, compares with current cubical switchboard body structure, the utility model discloses when well components and parts plywood is installed or is changed, directly change the installation frame can, have better interchangeability, the replacement cost is low, installation, maintenance operation are simple, and the installation frame can carry out the back-and-forth movement along with the slider, have increased operating personnel's operating space, have further promoted work efficiency.

Description

Installation frame pull-out type low-voltage switchgear

Technical Field

The utility model belongs to the technical field of distribution equipment, a cubical switchboard is related to, especially relate to an installation frame pull-out type low tension switchgear.

Background

The switch cabinet is an electrical device, the outside line firstly enters the main control switch in the cabinet and then enters the branch control switch, and each branch is set according to the requirement. Such as meters, automatic controls, magnetic switches for motors, various ac contactors, etc. 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 main components in the cabinet comprise a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The common cabinet body structure comprises an open-type switch cabinet, a metal closed armored switch cabinet and the like; the high-voltage electric appliance cabinet, the medium-voltage electric appliance cabinet, the low-voltage electric appliance 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.

The interior components and parts installation frame of cubical switchboard is fixed structure usually at present, and components and parts and frame can not remove the cabinet body relatively, to the installation of components and parts, dismantlement and maintenance, operating personnel all need be at cupboard internal operation, because cupboard inner space is less, and operating space not only influences operating personnel's the field of vision, still seriously restricts work efficiency, consequently is necessary to improve the structure of current electric appliance cabinet.

Chinese patent application No. CN201820803315.3 utility model provides an automatic formula of shifting out overhauls electric appliance cabinet, be equipped with the components and parts plywood between left side board and the right side board, the top of components and parts plywood is equipped with the unthreaded hole, the below of components and parts plywood is equipped with the screw hole, the base top is equipped with the motor, the output of motor is equipped with the screw rod, the screw rod is worn to establish in the screw hole, the back of roof is equipped with the slide bar, the slide bar is worn to establish in the unthreaded hole, the components and parts plywood is under the rotation of screw rod, carry out the back-and-forth movement under the guide effect of slide bar, but the relative cabinet body of components and parts layer removes, because the components and parts plywood is monolithic structure, when components and parts plywood installation or change, need dismantle screw rod and guide arm, and need change whole plywood together, the replacement cost is higher, and the operation is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be monolithic structure to components and parts plywood in the current cubical switchboard, when components and parts plywood installation or change, need dismantle screw rod and guide arm, and need change whole plywood together, the replacement cost is higher, and the operation is wasted time and energy etc. and is not enough, provides an installation frame pull-out type low-voltage switchgear, and the internal installation frame is assembled structure, has better interchangeability, installation, maintenance operation are simple, can increase operating personnel's operating space, can further promote work efficiency.

The technical scheme of the utility model: a low-voltage switch cabinet with a draw-out type installation frame comprises a cabinet body, a panel connected with the cabinet body, a frame arranged in the cabinet body, a clamping groove arranged on the frame and a clamp arranged on the clamping groove; the method is characterized in that: the improved cabinet is characterized in that a transmission mechanism is arranged at the bottom of the cabinet body and consists of a panel, a back plate, a sliding block, a screw rod, a connecting rod and a guide rod which are connected, the panel is connected with the back plate through the guide rod, the sliding block is arranged on the guide rod, the frame is fixedly connected with the sliding block in an inserting mode, the screw rod is arranged between the panel and the back plate in a connecting mode and rotates on the panel and the back plate in situ, a movable nut is sleeved on the screw rod, the sliding block is fixedly connected with the movable nut through the connecting rod, and the movable nut drives the sliding block and the frame on the sliding block to move back and forth under the rotation of the screw rod.

The guide rod consists of a left guide rod and a right guide rod, one end of the left guide rod and one end of the right guide rod are fixedly welded with the panel, and the other end of the left guide rod and the other end of the right guide rod are fixedly connected with the back plate through counter bore bolts.

The slider comprises left slider and right slider, and left and right slider forms sliding clearance fit with left and right guide arm respectively, and the top of left and right slider is equipped with the slot.

The frame comprises left frame and right frame, draw-in groove sliding connection on left and right frame, and the bottom of left and right frame is pegged graft in the slot.

The groove depth of the slot is not less than 50 mm.

Coaxial through holes are formed in the face plate and the back plate, two ends of the screw rod are arranged in the through holes respectively, a turntable is connected to one end of the screw rod, and a gasket and a nut are connected to the other end of the screw rod.

The rotary disc is connected with a handle.

The movable nut is respectively welded and fixed with the left sliding block and the right sliding block through the connecting rod, and the movable nut, the left guide rod and the right guide rod are positioned in the same vertical plane.

The utility model has the advantages that: the utility model provides an installation frame pull-out type low-voltage switchgear, the cubical switchboard bottom is equipped with drive mechanism, and the screw rod is made original place rotary motion on panel and backplate, and under the rotation of screw rod, movable nut drives the frame on slider and the slider and is the back-and-forth movement, compares with current cubical switchboard body structure, the utility model discloses when well components and parts plywood is installed or is changed, directly change the installation frame can, have better interchangeability, the replacement cost is low, installation, maintenance operation are simple, and the installation frame can carry out the back-and-forth movement along with the slider, have increased operating personnel's operating space, have further promoted work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the middle transmission mechanism of the present invention.

In the figure: the cabinet comprises a cabinet body 1, a clamping groove 2, a left frame 3, a clamp 4, a right frame 5, a back plate 6, a left slider 7, a left guide rod 8, a connecting rod 9, a rotary table 10, a handle 11, a movable nut 12, a right slider 13, a right guide rod 14, a panel 15, a gasket 16, a nut 17, a screw 18 and a slot 19.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-2, in the installation frame draw-out type low-voltage switch cabinet, a panel 15 is arranged in front of a cabinet body 1, a frame is arranged in the cabinet body 1, a clamping groove 2 is arranged on the frame, and a clamp 4 is arranged on the clamping groove 2; the bottom of the cabinet body 1 is provided with a transmission mechanism, the transmission mechanism is formed by connecting a panel 15, a back plate 6, a sliding block, a screw 18, a connecting rod 9 and a guide rod, the panel 15 is connected with the back plate 6 through the guide rod, the guide rod is provided with the sliding block, a frame is fixedly inserted with the sliding block, the screw 18 is connected between the panel 15 and the back plate 6, the screw 18 rotates on the panel 15 and the back plate 6 in situ, the screw 18 is sleeved with a movable nut 12, the sliding block is fixedly connected with the movable nut 12 through the connecting rod 9, and the movable nut 12 drives the sliding block and the frame on the sliding block to move back and forth under the rotation of the screw 18.

Examples

As shown in fig. 1-2, in a low-voltage switch cabinet with a draw-out type mounting frame, through holes are formed in a panel and a back plate, the panel is fixedly connected with the inner wall of a cabinet body, two through holes are coaxial on the panel 15 and the back plate 6, two ends of a screw 18 are respectively arranged in the through holes, a turntable 10 is connected to one end of the screw, a gasket 16 and a nut 17 are connected to the other end of the screw, the guide rod is composed of a left guide rod 8 and a right guide rod 14, one end of the left guide rod and the right guide rod are welded and fixed with the panel 15, the other end of the left guide rod and the right guide rod are connected and fixed with the back plate 6 through a counter bore bolt, and the cross section of the left guide rod and the right guide rod is rectangular; the sliding block is composed of a left sliding block 7 and a right sliding block 13, the left sliding block and the right sliding block are respectively in sliding clearance fit with the left guide rod and the right guide rod, the top of the left sliding block and the top of the right sliding block are provided with slots 19, the frame is composed of a left frame 3 and a right frame 5, the bottom ends of the left frame and the right frame are inserted into the slots 19, and the depth of the slots 19 is 50 mm; the screw 18 is provided with a movable nut 12, the section of the movable nut 12 is circular, two sides of the movable nut 12 are welded with connecting rods 9, the connecting rods 9 are respectively welded and fixed with the left and right sliding blocks, the movable nut 12, the left guide rod 8 and the right guide rod 14 are fixed and then positioned in the same vertical plane, and the turntable 10 is connected with a handle 11.

As shown in fig. 1-2, the working principle of a mounting frame draw-out type low-voltage switch cabinet is as follows: the screw rod makes in-situ rotation motion on the panel and the back plate, the movable nut moves back and forth on the screw rod under the rotation of the screw rod, the left and right slide blocks move back and forth on the left and right guide rods due to the fixed connection between the movable nut and the slide blocks, and the component mounting frame is inserted in the left and right slide blocks, so that the whole frame is driven to move back and forth by the movement of the left and right slide blocks.

Claims

1. A low-voltage switch cabinet with a draw-out type mounting frame comprises a cabinet body (1), a panel (15) connected with the cabinet body (1), a frame arranged in the cabinet body (1), a clamping groove (2) arranged on the frame, and a clamp (4) arranged on the clamping groove (2); the method is characterized in that: the cabinet body (1) bottom is equipped with drive mechanism, drive mechanism is connected by panel (15), backplate (6), slider, screw rod (18), connecting rod (9) and guide arm and constitutes, all be equipped with coaxial through-hole on panel (15) and backplate (6), during the through-hole is arranged respectively in at both ends of screw rod (18), connect and be equipped with carousel (10) one end, another overhead connection is equipped with gasket (16) and nut (17), be connected through the guide arm between panel (15) and backplate (6), be equipped with the slider on the guide arm, the frame with the slider grafting is fixed, it is equipped with screw rod (18) to be connected between panel (15) and backplate (6), screw rod (18) do original place rotary motion on panel (15) and backplate (6), the cover is equipped with movable nut (12) on screw rod (18), the slider pass through connecting rod (9) with movable nut (12) are connected fixedly, under the rotation of the screw rod (18), the movable nut (12) drives the sliding block and the frame on the sliding block to move back and forth.

2. A mounting frame draw-out low-voltage switchgear cabinet according to claim 1, characterized in that: the guide rod consists of a left guide rod (8) and a right guide rod (14), one end of the left guide rod and one end of the right guide rod are fixedly welded with the panel (15), and the other end of the left guide rod and the other end of the right guide rod are fixedly connected with the back plate (6) through counter bore bolts.

3. A mounting frame draw-out low-voltage switchgear cabinet according to claim 1, characterized in that: the slider comprises left slider (7) and right slider (13), and left and right slider forms sliding clearance fit with left and right guide arm respectively, and the top of left and right slider is equipped with slot (19).

4. A mounting frame draw-out low-voltage switchgear cabinet according to claim 1, characterized in that: the frame comprises left frame (3) and right frame (5), and draw-in groove sliding connection is on left and right frame, and the bottom of left and right frame is pegged graft in slot (19).

5. A mounting frame draw-out low-voltage switchgear cabinet according to claim 3, wherein: the depth of the slot (19) is not less than 50 mm.

6. A mounting frame draw-out low-voltage switchgear cabinet according to claim 1, characterized in that: the rotary disc (10) is connected with a handle (11).

7. A mounting frame draw-out low-voltage switchgear cabinet according to claim 1, characterized in that: the movable nut (12) is respectively welded and fixed with the left sliding block (7) and the right sliding block (13) through a connecting rod, and the movable nut (12), the left guide rod (8) and the right guide rod (14) are positioned in the same vertical plane.