CN221102780U

CN221102780U - Rotary main shaft for power distribution cabinet

Info

Publication number: CN221102780U
Application number: CN202322649738.8U
Authority: CN
Inventors: 黄朝平; 黄思聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-06-07
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a rotary main shaft for a power distribution cabinet, which relates to the field of power distribution cabinets and comprises a rotary table, wherein a plurality of fixing plates distributed in an annular array are fixed on the periphery of the rotary table, the upper surface of the rotary table is movably connected with the main shaft, a plurality of connecting pieces distributed in an annular array are arranged on the periphery of the main shaft, an annular convex plate is fixed in the middle of the top end of the main shaft, a filter screen cylinder is attached to the inner wall of the annular convex plate, and a plurality of groups of air vents are formed in the periphery of the main shaft. According to the utility model, the main shaft used on the circular power distribution cabinet is fixed in the power distribution cabinet through the fixed plate on the turntable, the main shaft is of a rotatable structure, electronic components mounted on the main shaft can be conveniently moved to the cabinet door, the main shaft is hollow, the filter screen cylinder is arranged in the main shaft, and the filter screen cylinder is connected with an external fan through the annular convex plate at the top of the filter screen cylinder, so that the external fan can radiate heat of the electronic components in the power distribution cabinet through the hollow slot and the air vent in the main shaft.

Description

Rotary main shaft for power distribution cabinet

Technical Field

The utility model relates to the field of power distribution cabinets, in particular to a rotary main shaft for a power distribution cabinet.

Background

The power distribution cabinet can also be called as a power distribution cabinet, in the popular sense, the power distribution cabinet is a cabinet body integrated with electric elements for electric energy distribution, and the main purpose of the power distribution cabinet is to assemble switch equipment, a measuring instrument, protection electrical appliances and auxiliary equipment in a closed metal cabinet according to electric wiring requirements, so that the requirements of normal operation of an electric power system are met, and the safety of personnel and surrounding equipment is not endangered; in industrial production, the electric control cabinet is widely applied. The following problems often occur when the power distribution cabinet is used in the prior art: because the use environment of the electric control cabinet is generally very bad, a great amount of dust can be covered on the electric elements in the cabinet, thereby influencing the service life of the electric elements; in the prior art, if the electrical components in the electric control cabinet fail, maintenance personnel are required to enter the cabinet for maintenance, and because the electrical components in the cabinet are more and the space in the cabinet is narrower, the maintenance personnel are very difficult to maintain and have a certain danger, and inconvenience is brought to maintenance work.

The utility model patent with publication number CN114843893A discloses a power distribution cabinet, which comprises a shell, a mounting frame, a main shaft bracket, an auxiliary shaft bracket, a cleaning brush and a driving mechanism; the inside of the shell is provided with a containing cavity; the mounting frame is arranged in the accommodating cavity and used for mounting the electric elements, and the mounting frame can be switched between a cleaning working state and a maintenance working state; the driving mechanism is arranged on the side surface of the shell, and can drive the mounting frame to rotate when the mounting frame is in a cleaning working state; the main shaft frames are arranged on two side walls of the accommodating cavity and used for supporting the mounting frame; the cleaning brush is fixedly arranged below the accommodating cavity and used for cleaning the electrical elements; the auxiliary shaft frame is arranged on two side walls of the accommodating cavity, and supports the mounting frame when the mounting frame is in a maintenance working state.

According to the utility model, the electronic components can be cleaned and moved through the mounting frame and the auxiliary shaft bracket, so that the electronic components are convenient to maintain in the power distribution cabinet, but the device is not provided with a heat dissipation mechanism, the electronic components in the power distribution cabinet cannot be dissipated when the power distribution cabinet works, the mounting frame on the main shaft is fixed on the main shaft, the electronic components mounted on the mounting frame can only be maintained in the power distribution cabinet, and although the electronic components can be moved to the cabinet door during maintenance, maintenance personnel are still limited to a certain extent during maintenance due to the limitation of the width of the cabinet door. Therefore, it is necessary to invent a rotary spindle for a power distribution cabinet to solve the above problems.

Disclosure of utility model

The utility model aims to provide a rotary main shaft for a power distribution cabinet, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatory main shaft that switch board was used, mainly used circular switch board, includes the carousel, the week side of carousel is fixed with a plurality of fixed plates that become annular array and distribute, and the fixed plate passes through the fixed screw to be fixed at the interior bottom wall middle part of switch board, the upper surface swing joint of carousel has the main shaft, the week side of main shaft is provided with a plurality of connecting pieces that become annular array and distribute, the inboard middle part of connecting piece is fixed with the forked tail slider, a plurality of forked tail spouts corresponding with the connecting piece have been seted up on the week side outer wall of main shaft, the forked tail slider is located the inside of forked tail spout, the inside of forked tail spout is provided with the screw rod, the through-groove on screw rod and the forked tail slider links to each other through the internal and external screw thread, the top of screw rod is fixed with the knob, the top middle part of knob is located the main shaft is fixed with annular flange, and the opening inboard of annular flange is provided with the internal screw thread, and annular flange links to each other through the internal and external fan, the last filter screen section of thick bamboo that has laminated, the forked tail on the week lateral wall of main shaft, every group is provided with a plurality of vertical groups and is distributed with the air vent dislocation.

Preferably, the slot has been seted up at the middle part of main shaft, and annular flange is located the notch outside of slot, the filter screen section of thick bamboo is located the inside of slot, the bottom of filter screen section of thick bamboo is inlayed and is had the magnet piece, the magnet piece is inhaled through magnetism with the tank bottom of slot and is linked together.

Preferably, the connecting piece comprises a movable block, wherein bonding plates are fixed on two sides of the movable block, and the bonding plates are bonded with the outer side wall of the main shaft.

Preferably, the middle part of the laminating plate is provided with a screw groove, a limit screw is inserted in the screw groove, the outer side wall of the main shaft is correspondingly provided with damping strips, the damping strips are vertically arranged, and the damping strips are distributed on two sides of the opening of the dovetail chute.

Preferably, the front of movable block is seted up flutedly, inserts the mounting bracket of installation electronic component in the recess, be provided with the baffle in the recess, one side of baffle is connected with the tank bottom of recess through a plurality of springs, and the baffle extrudees the mounting bracket position of inserting the movable block with the spring for the part and the cardboard in the mounting bracket inserts the movable block offset, have guaranteed the stability of mounting bracket installation.

Preferably, both ends all are fixed with fixed box about the front of movable block, the inside of fixed box is provided with the cardboard, the one end of cardboard extends to the opening inside of recess on the movable block, and the cardboard links to each other with the draw-in groove joint on the mounting bracket, and is spacing with the mounting bracket.

Preferably, the other end of cardboard is connected with the bottom of fixed box through reset spring, the other end middle part of cardboard is fixed with the connecting rod, the one end of connecting rod runs through the bottom middle part of fixed box and is fixed with the handle, and the handle drives the cardboard through the connecting rod and removes, convenient to detach of mounting bracket.

The utility model has the technical effects and advantages that:

According to the utility model, the main shaft used on the circular power distribution cabinet is fixed in the power distribution cabinet through the fixed plate on the turntable, the main shaft is of a rotatable structure, electronic components mounted on the main shaft can be conveniently moved to the cabinet door, the main shaft is internally hollow, the filter screen cylinder is arranged in the main shaft and is connected with an external fan through the annular convex plate at the top of the main shaft, the external fan can radiate heat of the electronic components in the power distribution cabinet through the hollow slot and the vent hole in the main shaft, the connecting piece capable of moving up and down is arranged on the main shaft, the mounting frame of the electronic components can be clamped by the connecting piece, and the mounting frame and the connecting piece can be of a detachable structure, so that when the electronic components on the mounting frame need to be maintained or replaced, the mounting frame can be detached, and maintenance or replacement can be performed in an external open environment, and the maintenance efficiency of the electronic components is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the overall structure of the present utility model in a top-down section.

Fig. 3 is a schematic cross-sectional view of a connector structure according to the present utility model.

In the figure: 1. a turntable; 2. a fixing plate; 3. a main shaft; 4. a connecting piece; 5. dovetail slide blocks; 6. dovetail grooves; 7. a screw; 8. a knob; 9. an annular convex plate; 10. a filter screen cylinder; 11. a vent; 12. a slot; 13. a magnet block; 14. a movable block; 15. bonding plates; 16. a limit screw; 17. a baffle; 18. a spring; 19. a fixed box; 20. a clamping plate; 21. a return spring; 22. a connecting rod; 23. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a rotary main shaft for a power distribution cabinet, which is shown in fig. 1-3, and comprises a turntable 1, wherein a plurality of fixed plates 2 distributed in an annular array are fixed on the periphery of the turntable 1, the fixed plates 2 are fixed on the inner bottom wall of the circular power distribution cabinet through shrinkage screws, the upper surface of the turntable 1 is movably connected with a main shaft 3, the main shaft 3 is arranged into a rotatable structure, electronic elements mounted on the main shaft are conveniently moved to a cabinet door, a plurality of connecting pieces 4 distributed in an annular array are arranged on the periphery of the main shaft 3, a mounting rack for mounting the electronic elements is inserted on the connecting pieces 4, a dovetail sliding block 5 is fixed in the middle of the inner side of the connecting pieces 4, a plurality of dovetail sliding grooves 6 corresponding to the connecting pieces 4 are formed in the periphery of the main shaft 3, the dovetail sliding block 5 is positioned in the dovetail sliding grooves 6, the dovetail sliding blocks 5 and the dovetail sliding grooves 6 are arranged so that the connecting pieces 4 can move up and down on the outer sides of the main shaft 3, the screw 7 is connected with through internal and external threads of the through grooves on the dovetail sliding blocks 5, a knob 8 is fixed on the top of the screw 7, the knob 8 is positioned on the inner side of the main shaft 3, and the dovetail sliding blocks 7 are driven by the knob 8, and the dovetail sliding blocks 5 can be driven to move through the dovetail sliding blocks 5.

Specifically, the top middle part of main shaft 3 is fixed with annular flange 9, the opening inboard of annular flange 9 is provided with the internal thread, and annular flange 9 links to each other through the internal and external screw thread with external fan, the laminating has filter screen section of thick bamboo 10 on the inner wall of annular flange 9, filter screen section of thick bamboo 10 has played the effect of filtering dust in the air, slot 12 has been seted up at the middle part of main shaft 3, filter screen section of thick bamboo 10 is located slot 12's inside, magnet piece 13 has been inlayed to filter screen section of thick bamboo 10's bottom, magnet piece 13 is connected through the magnetism with slot 12's tank bottom, the multiunit air vent 11 has been seted up on main shaft 3's the week lateral wall, air vent 11 is linked together with slot 12, air vent 11 and dovetail 6 dislocation distribution.

More specifically, connecting piece 4 includes movable block 14, the both sides of movable block 14 all are fixed with laminating plate 15, laminating plate 15 is laminated mutually with the lateral wall of main shaft 3, the helicoidal groove has been seted up at the middle part of laminating plate 15, peg graft in the helicoidal groove has spacing screw 16, it is provided with damping strip to correspond on the lateral wall of main shaft 3, damping strip vertical setting, and damping strip distributes in the opening both sides of forked tail spout, spacing screw 16 and damping strip looks adaptation, can be spacing with the laminating plate, and then it is spacing with connecting piece 4, make connecting piece 4 keep stable when stopping moving, the front of movable block 14 is seted up flutedly, be provided with baffle 17 in the recess, one side of baffle 17 is connected with the tank bottom of recess through a plurality of springs 18, the setting up of spring 18 makes baffle 17 can extrude the portion of mounting bracket inserting the movable block, make the mounting bracket installation stable, both ends all be fixed box 19 about the front of movable block 14, the inside of fixed box 19 is provided with cardboard 20, the one end of cardboard 20 extends to the opening inside of recess on the movable block 14, the other end of cardboard 20 passes through reset spring 21 and fixed box 19 and bottom phase connection 20, and the bottom 21 that can be connected with reset spring 21 and the connecting rod 22 through the fixed connection rod of the lug 22, the bottom of the connecting rod is fixed to the connecting rod is convenient for remove the middle part 22, the connecting rod is fixed to the middle part of the connecting rod is realized through the end 22.

The working principle of the utility model is as follows:

When the device is installed, the main shaft 3 is installed in the middle of the circular power distribution cabinet through the fixed plate 2 on the rotary table 1, then the installation frame is inserted into the groove on the movable block 14, the clamping plate 20 is clamped into the clamping groove on the installation frame under the action of the reset spring 21, the installation frame is stably limited, when the installation frame is inserted into the groove, the baffle 17 extrudes the installation frame under the action of the spring 18, so that the installation frame is stably installed, then the electronic element is installed on the installation frame, after the installation of one installation frame is completed, the main shaft 3 is rotated, the other installation frame is rotated to the cabinet door, the electronic element is installed on the other installation frame, the screw rod 7 is driven to rotate through the knob 8, the screw rod 7 is matched with the threaded through groove on the dovetail sliding block 5 to drive the dovetail sliding block 5 to move, the connecting piece 4 is driven to move up and down, the height of the electronic element on the installation frame is adjusted, after the electronic component is installed, the air outlet pipe of the fan on the power distribution cabinet is arranged on the annular convex plate 9 through the internal and external threads, so that the fan pumps outside air into the slot 12 on the main shaft 3, dust in the air is filtered out through the filter screen cylinder 10, the rest air enters the inside of the power distribution cabinet through the air vent 11 to radiate the electronic component inside, the radiating efficiency is improved, when the electronic component is required to be repaired or replaced, the corresponding mounting rack is rotated to the cabinet door, then the lifting handle 23 is pulled, the lifting handle 23 drives the clamping plate 20 to move through the connecting rod 22, the clamping plate 20 is separated from the clamping groove on the mounting rack, the limit of the mounting rack is released, the mounting rack can be detached and the power distribution cabinet can be taken out, and maintenance staff can replace or maintain the electronic component on the mounting rack in an external empty environment, the maintenance efficiency of the electronic component is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a rotatory main shaft that switch board was used, includes carousel (1), its characterized in that: the utility model discloses a rotary table, including carousel (1) and filter screen, carousel (1) are fixed with fixed plate (2) that a plurality of annular arrays distributed, the upper surface swing joint of carousel (1) has main shaft (3), the week side of main shaft (3) is provided with a plurality of connecting pieces (4) that become annular arrays and distribute, the inboard middle part of connecting pieces (4) is fixed with forked tail slider (5), a plurality of forked tail spouts (6) corresponding with connecting pieces (4) have been seted up on the week side outer wall of main shaft (3), forked tail slider (5) are located the inside of forked tail spout (6), the inside of forked tail spout (6) is provided with screw rod (7), the logical groove on screw rod (7) and the forked tail slider (5) links to each other through the internal and external screw thread, the top of screw rod (7) is fixed with knob (8), knob (8) are located the top of main shaft (3), the top middle part of main shaft (3) is fixed with annular flange (9), laminating section of thick bamboo (10) on the inner wall of annular flange (9), peripheral wall (3) has been seted up multiunit spout (11) and dislocation of ventilation opening (11).

2. A rotary spindle for a power distribution cabinet according to claim 1, characterized in that: the middle part of main shaft (3) has seted up slot (12), filter screen section of thick bamboo (10) are located the inside of slot (12), magnet piece (13) have been inlayed to the bottom of filter screen section of thick bamboo (10), magnet piece (13) are connected through magnetism with the tank bottom of slot (12).

3. A rotary spindle for a power distribution cabinet according to claim 2, characterized in that: the connecting piece (4) comprises a movable block (14), wherein bonding plates (15) are fixed on two sides of the movable block (14), and the bonding plates (15) are bonded with the outer side wall of the main shaft (3).

4. A rotary spindle for a power distribution cabinet according to claim 3, characterized in that: the middle part of laminating board (15) has seted up the helicoidal groove, peg graft in the helicoidal groove has spacing screw (16), correspond on the lateral wall of main shaft (3) and be provided with the damping strip.

5. The rotating main shaft for a power distribution cabinet according to claim 4, wherein: the front of the movable block (14) is provided with a groove, a baffle (17) is arranged in the groove, and one side of the baffle (17) is connected with the bottom of the groove through a plurality of springs (18).

6. The rotating main shaft for a power distribution cabinet according to claim 5, wherein: both ends all are fixed with fixed box (19) about the front of movable block (14), the inside of fixed box (19) is provided with cardboard (20), the one end of cardboard (20) extends to the opening inside of recess on movable block (14).

7. The rotating main shaft for a power distribution cabinet according to claim 6, wherein: the other end of cardboard (20) is connected with the bottom of fixed box (19) through reset spring (21), the other end middle part of cardboard (20) is fixed with connecting rod (22), the bottom middle part of fixed box (19) is run through to one end of connecting rod (22) and is fixed with handle (23).