CN212011710U

CN212011710U - Power distribution cabinet with good anti-seismic performance

Info

Publication number: CN212011710U
Application number: CN202020907106.0U
Authority: CN
Inventors: 尚振东; 申会平; 李东亮; 李治国; 刘西亚; 米英明; 马兴灿
Original assignee: Henan Taihao Electromechanical Equipment Co ltd
Current assignee: Henan Taihao Electromechanical Equipment Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-11-24
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a power distribution cabinet with good anti-seismic performance, which comprises a cabinet body and a base, wherein the cabinet body is arranged on the base, a bottom damping component is arranged between the base and the cabinet body, two mounting blocks are arranged at the bottom of the cabinet body, a damping groove is arranged on the base, the bottom damping component is arranged between the bottom of the cabinet body and the damping groove, the bottom damping component comprises an end damping spring, a middle damping spring, two stretching support rods, a damping block and a damping shaft, the damping block is connected at the bottom of the cabinet body in a sliding way through a sliding component, the damping shaft is arranged on the damping block in a penetrating way, the two ends of the damping shaft are respectively fixedly connected with the two mounting blocks, a hinging seat is arranged at the bottom of the damping groove, the two stretching support rods are respectively arranged on the hinging seat, the two ends of the two stretching support rods, which are far away, the middle damping spring is arranged between the two damping blocks. The utility model has the advantages of good damping performance.

Description

Power distribution cabinet with good anti-seismic performance

Technical Field

The utility model belongs to the technical field of power equipment's technique and specifically relates to a switch board that anti-seismic performance is good is related to.

Background

The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops, and the motor control center is used in the occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads.

The switch board can vibration in transportation and use inevitable, and cabinet body vibrations probably lead to the internal portion of cabinet electrical components to damage, can influence the normal life of switch board, and the electrical components who changes the damage simultaneously still need extra cost, has increased the cost of switch board by accident, consequently, proposes a switch board that anti-seismic performance is good to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a, it has the advantage that the damping performance is good.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a power distribution cabinet with good anti-seismic performance comprises a cabinet body and a base, wherein the cabinet body is arranged on the base, a bottom damping assembly for slowing down the vibration of the cabinet body is arranged between the base and the cabinet body, two mounting blocks are mounted at the bottom of the cabinet body and are respectively close to two sides of the cabinet body, a damping groove is formed in the base, the bottom damping assembly is arranged between the bottom of the cabinet body and the damping groove and is arranged between the two mounting blocks, the bottom damping assembly comprises an end damping spring, a middle damping spring, a stretching supporting rod, two damping blocks and a damping shaft, the two damping blocks are both connected to the bottom of the cabinet body in a sliding mode through a sliding assembly, the damping shaft penetrates through the damping blocks, two ends of the damping shaft are respectively fixedly connected with the two mounting blocks, a hinge seat is mounted at the bottom of the damping groove, the stretching supporting rod is provided with two stretching, two ends of two stretching supporting rods far away from the hinged seat are hinged with the two damping blocks respectively, the end damping springs are arranged between the installation blocks and the damping blocks, two ends of the end damping springs are abutted to two ends, close to the installation blocks and the damping blocks, of the installation blocks respectively, the middle damping springs are arranged between the two damping blocks, and two ends of the middle damping springs are abutted to two ends, close to the two damping blocks respectively.

Furthermore, the hinged seat comprises two fixed support plates and a hinged shaft, the fixed support plates are arranged at the bottom of the shock absorption groove, the two fixed support plates are arranged oppositely at the bottom of the shock absorption groove, the hinged shaft is rotatably connected between the two fixed support plates, and one end, far away from the shock absorption block, of the stretching support rod is hinged to the hinged shaft.

Further, the slip subassembly includes T shape spout, T shape slider and universal ball, and the T shape spout is seted up on the cabinet body bottom surface, and the T shape slider is fixed the snubber block is close to one side of the cabinet body, and one side of keeping away from the snubber block at the T shape slider is installed to universal ball, and T shape slider and universal ball all are located the T shape spout, and the lateral wall of T shape slider is contradicted with the cell wall of T shape spout, and the one end that the T shape slider was kept away from to universal ball is contradicted with the tank bottom of T shape spout.

Further, the base with be provided with side damper assembly between the lateral wall of the cabinet body, side damper assembly includes slip annular groove, slip strengthening ring and lateral part damping spring, and the slip annular groove is seted up on the lateral wall of the cabinet body, and slip strengthening ring cover is established in the slip annular groove to the outer anchor ring that slides with the cell wall butt that the damping groove is close to the notch, lateral part damping spring fixes on the bottom cell wall of slip annular groove, and the one end that lateral part damping spring kept away from the slip annular groove is with the bottom anchor ring butt of slip strengthening ring.

Further, be provided with a plurality of vertical beads on the cell wall of slip annular, the cross-section of bead is semi-circular, the planar lateral wall of bead and the cell wall butt of slip annular, the cambered surface lateral wall of bead with the interior anchor ring of slip reinforcement ring contradicts.

Further, the installation piece with be provided with supplementary shock attenuation supporting component between the shock attenuation groove, supplementary shock attenuation supporting component includes shock attenuation adapting rod, adapter plate, first magnet, second magnet and a support section of thick bamboo, first magnet is fixed at the bobbin base of a support section of thick bamboo, the nozzle of a support section of thick bamboo is fixed with the support restrictor ring, the one end of shock attenuation adapting rod is passed and is supported the restrictor ring and stretch into in a support section of thick bamboo with adapter plate fixed connection, the one end that shock attenuation adapting rod was kept away from to the adapter plate is fixed to second magnet, the one end that adapter plate was kept away from to the shock attenuation adapting rod and installation piece bottom surface fixed connection.

Further, the polarities of the ends of the first magnet and the second magnet which are close to each other are the same.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the cabinet body descends in the damping groove, the two damping blocks can be far away from each other, the stretching support rod is stretched, the middle damping spring between the damping blocks is stretched, the end part damping spring at one end, far away from each other, of the two damping blocks is compressed, the reaction of the end part damping spring and the middle damping spring can offset the impulsive force when the cabinet body descends, the descending amplitude of the cabinet body is reduced, the cabinet body is more stable, when the cabinet body ascends in the damping groove, the two damping blocks are close to each other, the stretching support rod is compressed, the middle damping spring is compressed, the end part damping springs at two sides are stretched, the impulsive force when the cabinet body ascends can be reduced by the middle damping spring and the end part damping spring, the ascending amplitude of the cabinet body is reduced;

2. the universal ball can convert sliding friction between the T-shaped sliding block and the T-shaped sliding groove into rolling friction when the T-shaped sliding block slides in the T-shaped sliding groove, so that the T-shaped sliding block can slide in the T-shaped sliding groove more easily, the damping block can move at the bottom of the cabinet body more easily, the reaction force of the middle damping spring and the end damping spring can offset the upward or downward impact force of the cabinet body more, the cabinet body is better buffered, and the damping shaft can prevent the damping block from moving, so that the middle damping spring between the end damping spring at the end of the damping block and the damping block is tilted due to compression, and the damping capacity of the cabinet body is further influenced;

3. when the cabinet body vibrates in the damping groove, the lateral damping spring can be compressed or stretched along with the up-and-down motion of the cabinet body, restoring force generated by the lateral damping spring during compression or stretching can offset impulse force generated by the descending or ascending of the cabinet body, so that the cabinet body is accelerated to recover a calm state, the vibration of the cabinet body is weakened, meanwhile, the arrangement of the convex edge can convert surface-to-surface contact between the sliding reinforcing ring and the sliding ring groove into contact between the inner ring surface of the sliding reinforcing ring and the arc surface of the convex edge, the contact area of the convex edge and the sliding reinforcing ring is smaller, and the sliding reinforcing ring can slide in the sliding ring groove more easily;

4. the cabinet body is when descending, and the installation piece can drive the first magnet that second magnet is close to the support barrel bottom through the adapter plate, because the polarity at the both ends that are close to each other between first magnet and the second magnet is the same, so can produce the power of mutual repulsion when first magnet, second magnet are close to each other, impulsive force when the cabinet body downstream can be offset in this part, and then the cabinet body vibration is slowed down, has strengthened this utility model's shock resistance.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the slider assembly;

FIG. 3 is a schematic view of the structure of the hinge base;

FIG. 4 is an enlarged schematic view of portion A of FIG. 1;

fig. 5 is an enlarged schematic view of a portion B in fig. 1.

In the figure, 1, a cabinet body; 2. a base; 21. a damping groove; 3. a bottom dampening member; 31. an end damping spring; 32. a middle damping spring; 33. stretching the supporting rod; 34. a damper block; 35. a shock-absorbing shaft; 11. mounting blocks; 4. a sliding assembly; 41. a T-shaped chute; 42. a T-shaped slider; 43. a ball transfer unit; 5. a hinged seat; 51. fixing a support plate; 52. hinging a shaft; 6. a side dampening member; 61. a sliding ring groove; 62. sliding a reinforcing ring; 63. a side damping spring; 611. a rib; 7. an auxiliary shock-absorbing support assembly; 71. a shock absorbing adapting rod; 72. an adapter plate; 73. a first magnet; 74. a second magnet; 75. a support cylinder; 751. supporting the confinement rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a switch board that anti-seismic performance is good includes cabinet body 1 and base 2. The cabinet body 1 is arranged on the base 2, the base 2 is provided with a damping groove 21, and a bottom damping assembly 3 for slowing down the vibration of the cabinet body 1 is arranged between the damping groove 21 and the cabinet body 1. Two installation pieces 11 are installed to cabinet body 1 bottom, and two installation pieces 11 are close to the both sides lateral wall of the cabinet body 1 respectively, and bottom damper 3 is between two installation pieces 11, and bottom damper 3 includes tip damping spring 31, middle part damping spring 32, tensile branch 33, snubber block 34 and damping shaft 35. The damping block 34 is provided with two, and two damping blocks 34 are all through slip subassembly 4 sliding connection in cabinet 1 bottom.

The sliding assembly 4 includes a T-shaped runner 41, a T-shaped slider 42 and a ball transfer ball 43. The T-shaped sliding chute 41 is arranged on the bottom surface of the cabinet body 1, and the T-shaped sliding chute 41 is positioned between the two mounting blocks 11. The T-shaped sliding block 42 is fixed on one side of the shock absorption block 34, the universal ball 43 is installed on one side, away from the shock absorption block 34, of the T-shaped sliding block 42, the T-shaped sliding block 42 and the universal ball 43 are located in the T-shaped sliding groove 41, the side wall of the T-shaped sliding block 42 is abutted to the groove wall of the T-shaped sliding groove 41, and one end, away from the T-shaped sliding block 42, of the universal ball 43 is abutted to the groove bottom of the T-shaped sliding groove.

Referring to fig. 1 and 3, the damper shaft 35 is fixed between the two mounting blocks 11 through the two damper blocks 34, and both ends of the damper shaft 35 abut against both side surfaces of the two mounting blocks 11 adjacent to each other, respectively. The articulated seat 5 is installed to the tank bottom of shock attenuation groove 21, and articulated seat 5 is located the central point of shock attenuation groove 21, is located the damping shaft 35 directly below. The hinge seat 5 comprises a fixed fulcrum 51 and a hinge shaft 52. The fixed support plates 51 are arranged at the bottom of the shock absorption groove 21, the two fixed support plates 51 are arranged oppositely at the bottom of the shock absorption groove 21, the hinge shafts 52 are rotatably connected between the two fixed support plates 51, the two hinge shafts 52 are arranged, and the two hinge shafts 52 are symmetrically arranged on the hinge plate.

The two stretching support rods 33 are telescopic rods, the two stretching support rods 33 are hinged to the bottom surfaces of the two shock absorption blocks 34 respectively, and one ends, far away from the corresponding shock absorption blocks 34, of the two stretching support rods 33 are hinged to the two hinge shafts 52 respectively.

The end damping springs 31 and the middle damping springs 32 are all sleeved on the damping shaft 35, the end damping springs 31 are arranged between the mounting block 11 and the damping blocks 34, the end damping springs 31 are provided with two ends, and the two end damping springs 31 are respectively arranged on two sides of the two damping blocks 34 which are far away from each other. Both ends of the end damper spring 31 abut against both ends of the damper block 34 and the adjacent mounting block 11, respectively, which are close to each other. The middle damping spring 32 is arranged between the two damping blocks 34, and two ends of the middle damping spring 32 are respectively abutted against two ends of the two damping blocks 34 close to each other

Refer to fig. 1 and 4. A side damping assembly 6 is arranged between the groove wall of the damping groove 21 and the side wall of the cabinet body 1, and the side damping assembly 6 comprises a sliding ring groove 61, a sliding reinforcing ring 62 and a side damping spring 63. The sliding ring groove 61 is arranged on the side wall of the cabinet body 1, the sliding reinforcing ring 62 is sleeved on the sliding ring groove 61, the outer ring surface of the sliding reinforcing ring 62 is abutted against the groove wall of the damping groove 21, and the top ring surface of the sliding reinforcing ring 62 is level with the top surface of the base 2. The side damping spring 63 is fixed on the bottom groove wall of the sliding ring groove 61, and one end of the side damping spring 63, which is far away from the bottom groove wall of the sliding ring groove 61, is abutted against the bottom ring surface of the sliding reinforcing ring 62.

The groove wall of the sliding ring groove 61 is provided with a plurality of vertical ribs 611, and the plurality of vertical ribs 611 are uniformly distributed on the vertical side wall of the sliding ring groove 61. The section of the protruding rib 611 is semicircular, the planar side wall of the protruding rib 611 abuts against the vertical groove wall of the sliding ring groove 61, and the cambered side wall of the protruding rib 611 abuts against the inner annular surface of the sliding reinforcing ring 62.

Referring to fig. 1 and 5, an auxiliary shock-absorbing support assembly 7 is disposed between the mounting block 11 and the bottom of the shock-absorbing groove 21, and the auxiliary shock-absorbing support assembly 7 includes a shock-absorbing receiving rod 71, an adapter plate 72, a first magnet 73, a second magnet 74, and a support cylinder 75. The supporting cylinder 75 is installed at the bottom of the damping groove 21, and the cylinder opening of the supporting cylinder 75 and the installation block 11 correspond to each other in the vertical direction. The first magnet 73 is fixed at the bottom of the supporting cylinder 75, the supporting limiting ring 751 is fixed at the opening of the supporting cylinder 75, the adapter plate 72 is positioned in the supporting cylinder 75, and one end of the shock absorption connecting rod 71 passes through the inner ring opening of the supporting limiting ring 751 and extends into the supporting cylinder 75 to be fixedly connected with the adapter plate 72. The second magnet 74 is fixed to the adapter plate 72 on the side away from the damper receiving rod 71, and the polarities of the ends of the second magnet 74 and the first magnet 73 that are close to each other are the same. One end of the shock absorption bearing rod 71 far away from the adapter plate 72 is fixedly connected with the bottom surface of the corresponding mounting block 11.

The implementation principle of the embodiment is as follows: when the utility model vibrates, the side damping springs 63 are stretched or compressed along with the movement of the cabinet body 1, meanwhile, the damping blocks 34 are close to or far away from each other under the action of the cabinet body 1, the corresponding end damping springs 31 and the middle damping springs 32 are stretched or compressed along with the side damping springs 63, the end damping springs 31 and the middle damping springs 32, the vibration intensity of the cabinet body 1 can be greatly reduced due to the stretching of the side damping springs 63, the end damping springs 31 and the middle damping springs 32, and the electric elements in the cabinet body 1 are protected forcibly;

when the cabinet body 1 is close to the bottom of the damping groove 21 due to vibration, the damping receiving rod 71 drives the second magnet 74 to be close to the first magnet 73 through the adapter plate 72, and the polarities of the end parts of the first magnet 73 and the second magnet 74 close to each other are the same, so that a certain reverse acting force can be generated on the cabinet body 1, the impact of the cabinet body 1 on the bottom of the damping groove 21 can be relieved, and a good damping effect is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a switch board that anti-seismic performance is good, includes the cabinet body (1) and base (2), its characterized in that: the cabinet body (1) is arranged on the base (2), a bottom damping component (3) for reducing the vibration of the cabinet body (1) is arranged between the base (2) and the cabinet body (1), two installation blocks (11) are installed at the bottom of the cabinet body (1), the two installation blocks (11) are respectively close to two sides of the cabinet body (1), a damping groove (21) is formed in the base (2), the bottom damping component (3) is arranged between the bottom of the cabinet body (1) and the damping groove (21) and is arranged between the two installation blocks (11), the bottom damping component (3) comprises an end damping spring (31), a middle damping spring (32), a stretching support rod (33), a damping block (34) and a damping shaft (35), the damping block (34) is provided with two damping blocks, the two damping blocks (34) are both connected to the bottom of the cabinet body (1) in a sliding manner through a sliding component (4), and the damping shaft (35) is arranged on the damping block (34, the both ends of damping axle (35) respectively with two installation piece (11) fixed connection, articulated seat (5) are installed to damping tank (21) tank bottom, tensile branch (33) are provided with two, two tensile branch (33) all set up on articulated seat (5), the both ends that articulated seat (5) were kept away from in two tensile branch (33) are articulated with two snubber blocks (34) respectively, tip damping spring (31) set up between installation piece (11) and snubber block (34), the both ends butt that the both ends of tip damping spring (31) are close to each other with installation piece (11) and snubber block (34) respectively, middle part damping spring (32) set up between two snubber blocks (34), the both ends butt that middle part damping spring (32) are close to each other with two snubber blocks (34) respectively.

2. The power distribution cabinet with good anti-seismic performance according to claim 1, characterized in that: articulated seat (5) are including fixed extension board (51) and articulated shaft (52), and fixed extension board (51) are installed at shock attenuation groove (21) tank bottom, and fixed extension board (51) are provided with two, and two fixed extension boards (51) set up at the tank bottom of shock attenuation groove (21) relatively, and articulated shaft (52) rotate to be connected between two fixed extension boards (51), the one end that shock attenuation piece (34) were kept away from in tensile branch (33) is articulated with articulated shaft (52).

3. The power distribution cabinet with good anti-seismic performance according to claim 1, characterized in that: slide subassembly (4) are seted up including T shape spout (41), T shape slider (42) and universal ball (43), and T shape spout (41) are in on the cabinet body (1) bottom surface, T shape slider (42) are fixed one side that snubber block (34) are close to the cabinet body (1), and one side that snubber block (34) were kept away from in T shape slider (42) is installed in universal ball (43), and T shape slider (42) and universal ball (43) all are located T shape spout (41), and the lateral wall of T shape slider (42) is contradicted with the cell wall of T shape spout (41), and the conflict tank bottom of the one end of T shape slider (42) and T shape spout (41) is kept away from in universal ball (43).

4. The good switch board of anti-seismic performance of claim 2, its characterized in that: base (2) with be provided with side damper assembly (6) between the lateral wall of the cabinet body (1), side damper assembly (6) are including slip annular groove (61), slip strengthening ring (62) and lateral part damping spring (63), and slip annular groove (61) are seted up on the lateral wall of the cabinet body (1), and slip strengthening ring (62) cover is established in slip annular groove (61), and the outer anchor ring of slip strengthening ring (62) with damping groove (21) are close to the cell wall butt of notch, and lateral part damping spring (63) are fixed on the bottom cell wall of slip annular groove (61), and the one end that slip annular groove (61) was kept away from in lateral part damping spring (63) and the bottom anchor ring butt of slip strengthening ring (62).

5. The good switch board of anti-seismic performance of claim 4, its characterized in that: be provided with a plurality of vertical fins (611) on the cell wall of slip ring groove (61), the cross-section of fin (611) is semi-circular, and the plane lateral wall of fin (611) and the cell wall butt of slip ring groove (61), the cambered surface lateral wall of fin (611) with the interior anchor ring of slip reinforcement ring (62) contradicts.

6. The good switch board of anti-seismic performance of claim 2, its characterized in that: the mounting block (11) and be provided with supplementary shock attenuation supporting component (7) between damper groove (21), supplementary shock attenuation supporting component (7) are including shock attenuation receiving rod (71), adapter plate (72), first magnet (73), second magnet (74) and support section of thick bamboo (75), first magnet (73) are fixed at the bobbin base of supporting section of thick bamboo (75), the nozzle of support section of thick bamboo (75) is fixed with support limit ring (751), the one end of shock attenuation receiving rod (71) is passed and is supported limit ring (751) and stretch into in support section of thick bamboo (75) and adapter plate (72) fixed connection, second magnet (74) are fixed in the one end that shock attenuation receiving rod (71) are kept away from in adapter plate (72), the one end that adapter plate (72) were kept away from in shock attenuation receiving rod (71) and mounting block (11) bottom surface fixed connection.

7. The good switch board of anti-seismic performance of claim 6, its characterized in that: the polarities of the ends of the first magnet (73) and the second magnet (74) that are close to each other are the same.