CN215009170U

CN215009170U - Power distribution cabinet convenient to move

Info

Publication number: CN215009170U
Application number: CN202120343605.6U
Authority: CN
Inventors: 何云东
Original assignee: Chongqing Ou Hui Electric Co ltd
Current assignee: Chongqing Ou Hui Electric Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-03
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a power distribution cabinet convenient to move, which comprises a power distribution cabinet body; a supporting type moving assembly is arranged in the base and comprises an elastic supporting unit, a driving motor, a supporting mounting plate and a plurality of moving rollers; the elastic support unit comprises elastic support mechanisms which are symmetrically arranged, and each elastic support mechanism comprises a second rotating screw rod; the utility model discloses a set up elastic support unit, driving motor, support mounting panel and a plurality of removal gyro wheel, when the integrated device need remove, driving motor keeps away from each other through the drive slider that two-way rotation lead screw drive symmetry set up, the drive slider that the symmetry set up this moment is at a distance from when furthest the bottom surface is less than the lower bottom surface of base and L type support is located the lower bottom surface that extreme position and slipmat go up the second direction spout and the bottom surface is higher than the base under the removal gyro wheel to by the support of removing the gyro wheel as the integrated device, and then realize the convenient removal of integrated device.

Description

Power distribution cabinet convenient to move

Technical Field

The utility model relates to a power equipment correlation field specifically is a convenient switch board that removes.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case).

The existing power distribution cabinet is usually directly placed on the ground and is not convenient to move, so that people are required to consume to carry when moving, the carrying efficiency is low when the carrying strength is high, and based on the fact, the power distribution cabinet which is used for solving the problems and is convenient to move is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient switch board that removes to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a power distribution cabinet convenient to move comprises a power distribution cabinet body; the power distribution cabinet is characterized in that a base is arranged at the bottom of the power distribution cabinet body and is provided with a hollow arrangement, an avoidance groove is formed at the bottom of the base, a supporting type moving assembly is arranged in the base, guide sliding grooves are symmetrically formed in the inner wall of the side surface of the base, a limiting sliding groove is formed in the inner wall of the top of the base, U-shaped fixing seats which are symmetrically arranged are fixedly installed on the inner wall of the top of the base and are positioned on two sides of the limiting sliding groove, the supporting type moving assembly comprises an elastic supporting unit, a driving motor, a motor support for fixedly installing the driving motor, a supporting mounting plate which is slidably installed in the guide sliding grooves and a plurality of moving rollers, a bidirectional rotating lead screw is fixedly installed at the output end of the driving motor, the bidirectional rotating lead screw is rotatably installed on the base and the U-shaped fixing seats and penetrates through the side wall of the base, and driving sliding blocks which are matched with the bidirectional rotating lead screw are symmetrically arranged on the bidirectional rotating lead screw, the driving sliding blocks are all slidably mounted in limiting sliding grooves, second limiting sliding grooves are symmetrically formed in the supporting and mounting plate, transition moving blocks are all slidably mounted in the second limiting sliding grooves, a first connecting rod is arranged between each transition moving block and an adjacent U-shaped fixing seat, a second connecting rod is arranged between each transition moving block and an adjacent driving sliding block, two ends of each first connecting rod are respectively rotatably mounted on the corresponding transition moving block and the adjacent U-shaped fixing seat, two ends of each second connecting rod are respectively rotatably mounted on the corresponding transition moving block and the adjacent driving sliding block, and the moving idler wheels are uniformly distributed at the bottom of the supporting and mounting plate;

elastic support unit is including the elastic support mechanism that the symmetry set up, the second direction spout has been seted up to the lateral wall symmetry of base, is located second direction spout both ends the second fixing base that the lateral wall fixed mounting symmetry of base set up, elastic support mechanism is including rotating the second rotation lead screw of installing on the second fixing base, the second rotates and is connected through bevel gear pair transmission between lead screw and the two-way rotation lead screw, be provided with the L type support rather than mutually supporting on the second rotation lead screw, L type support one end slidable mounting is in second direction spout, another tip fixed mounting uide bushing of L type support, slidable mounting location mounting panel in the uide bushing, be connected the elastic component between location mounting panel and the uide bushing inner wall, the equal fixed mounting slipmat in bottom of location mounting panel, the symmetry sets up when the drive slider is at a distance of the bottom surface is less than the bottom surface and the L type of base under the removal gyro wheel The support is located second direction spout upper limit position and the slipmat lower bottom surface is higher than the lower bottom surface of base, and the drive slider that the symmetry set up is apart from when nearest the removal gyro wheel lower bottom surface is higher than the lower bottom surface of base and L type support is located second direction spout lower limit position and the lower bottom surface of base is located between slipmat lower bottom surface and uide bushing lower bottom surface.

As a further aspect of the present invention: the elastic piece is a pressure spring.

As a further aspect of the present invention: and springs are connected between the second connecting rod and the adjacent U-shaped fixed seats.

As a further aspect of the present invention: be provided with detachable locating component between switch board body and the base, locating component includes the positioning seat of fixed mounting in switch board body bottom and the fretwork supporting seat of fixed mounting on the base, the ventilation hole has been seted up on the lateral wall of fretwork supporting seat, the top of fretwork supporting seat is seted up flutedly, T type spout has been seted up to the symmetry on the lateral wall of recess, and is relative with T type spout fixed mounting T type slider on the positioning seat lateral wall, T type slider demountable sliding mounting is in T type spout, the second ventilation hole has been seted up to the correspondence on positioning seat bottom and the fretwork supporting seat.

As a further aspect of the present invention: be located under the second venthole be provided with radiator unit on the base, radiator unit includes second driving motor and a plurality of radiator motor that have radiator fan of fixed mounting on the base, second driving motor's output fixed mounting supports the fixed plate, the radiator motor evenly lays on supporting the fixed plate, is located the radiator motor outside fixed mounting cover frame on the supporting the fixed plate, the exhaust vent has evenly been seted up at cover frame top, annular spout has been seted up on the base, and is corresponding with annular spout a plurality of supports of supporting the fixed plate bottom fixed mounting, the bottom of support is embedded to have the ball that the activity set up, the ball roll mounting is in annular spout.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the elastic supporting unit, the driving motor, the supporting mounting plate and the plurality of movable rollers, when the integral device is in a stable placing state, when the distance between the symmetrically arranged driving sliding blocks is nearest, the lower bottom surface of the movable roller is higher than the lower bottom surface of the base, the L-shaped bracket is positioned at the lower limit position of the second guide sliding chute, the lower bottom surface of the base is positioned between the lower bottom surface of the non-slip mat and the lower bottom surface of the guide sleeve, then the base is used as the support of the integral device, and meanwhile, the non-slip mat is tightly attached to the placing surface under the action of the elastic piece; when the whole device needs to be moved, the driving motor drives the driving sliding blocks which are symmetrically arranged through the bidirectional rotating screw rod to be away from each other, when the driving sliding blocks which are symmetrically arranged are at the farthest distance, the lower bottom surface of the moving roller is lower than the lower bottom surface of the base, the L-shaped support is located at the upper limit position of the second guide sliding groove, and the lower bottom surface of the non-slip mat is higher than the lower bottom surface of the base, so that the moving roller serves as the support of the whole device, and the whole device can be conveniently moved.

Drawings

Fig. 1 is a schematic structural view of a power distribution cabinet convenient to move.

Fig. 2 is a schematic structural view of a position a in the power distribution cabinet convenient to move.

In the figure: 1-a power distribution cabinet body, 2-a base, 3-an avoidance groove, 4-a limiting sliding groove, 5-a motor bracket, 6-a moving roller, 7-a bidirectional rotating screw rod, 8-a U-shaped fixed seat, 9-a supporting and mounting plate, 10-a guiding sliding groove, 11-a second limiting sliding groove, 12-a transition moving block, 13-a driving sliding block, 14-a first connecting rod, 15-a second connecting rod, 16-a second guiding sliding groove, 17-a second fixed seat, 18-a second rotating screw rod, 19-an L-shaped bracket, 20-a bevel gear pair, 21-a guiding sleeve, 22-a positioning and mounting plate, 23-an elastic piece, 24-an anti-slip pad, 25-a spring, 26-a positioning seat, 27-a hollow supporting seat, 28-a ventilation hole, a driving sliding block, a driving block, a first connecting rod, a second connecting rod, a supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a fifth supporting rod, a fourth supporting rod, a fifth supporting rod, 29-groove, 30-T type chute, 31-T type slide block, 32-second ventilation hole, 33-driving motor, 34-heat dissipation motor, 35-supporting fixing plate, 36-sleeve frame, 37-annular chute, 38-bracket, 39-ball and 40-driving motor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, a power distribution cabinet convenient to move includes a power distribution cabinet body 1; the power distribution cabinet is characterized in that a base 2 is arranged at the bottom of a power distribution cabinet body 1, the base 2 is arranged in a hollow manner, an avoidance groove 3 is formed at the bottom of the base 2, a supporting type moving assembly is arranged in the base 2, guide sliding grooves 10 are symmetrically formed in the inner wall of the side surface of the base 2, a limiting sliding groove 4 is formed in the inner wall of the top of the base 2, U-shaped fixed seats 8 which are symmetrically arranged are fixedly installed on the inner wall of the top of the base 2 and are positioned on the two sides of the limiting sliding groove 4, the supporting type moving assembly comprises an elastic supporting unit, a driving motor 40, a motor bracket 5 for fixedly installing the driving motor 40, a supporting installation plate 9 which is slidably installed in the guide sliding grooves 10 and a plurality of moving idler wheels 6, the motor bracket 5 is fixedly installed on the outer side wall of the base 2, a bidirectional rotating lead screw 7 is fixedly installed at the output end of the driving motor 40, the bidirectional rotating lead screw 7 is rotatably installed on the base 2 and the U-shaped fixed seats 8 and penetrates through the side wall of the base 2, the bidirectional rotating lead screw 7 is symmetrically provided with driving sliding blocks 13 matched with the bidirectional rotating lead screw, the driving sliding blocks 13 are all slidably mounted in the limiting sliding grooves 4, the supporting mounting plate 9 is symmetrically provided with second limiting sliding grooves 11, transition moving blocks 12 are all slidably mounted in the second limiting sliding grooves 11, first connecting rods 14 are arranged between the transition moving blocks 12 and the adjacent U-shaped fixing seats 8, second connecting rods 15 are arranged between the transition moving blocks 12 and the adjacent driving sliding blocks 13, two ends of each first connecting rod 14 are respectively rotatably mounted on the transition moving blocks 12 and the adjacent U-shaped fixing seats 8, two ends of each second connecting rod 15 are respectively rotatably mounted on the transition moving blocks 12 and the adjacent driving sliding blocks 13, and the moving idler wheels 6 are uniformly distributed at the bottom of the supporting mounting plate 9;

the elastic support unit comprises elastic support mechanisms which are symmetrically arranged, a second guide sliding groove 16 is symmetrically arranged on the outer side wall of the base 2, second fixing seats 17 which are symmetrically arranged on the outer side wall of the base 2 and are positioned at two ends of the second guide sliding groove 16 are fixedly installed on the outer side wall of the base 2, the elastic support mechanism comprises a second rotating lead screw 18 which is rotatably installed on the second fixing seat 17, the second rotating lead screw 18 is in transmission connection with a bidirectional rotating lead screw 7 through a bevel gear pair 20, an L-shaped support 19 which is matched with the second rotating lead screw 18 is arranged on the second rotating lead screw 18, one end of the L-shaped support 19 is slidably installed in the second guide sliding groove 16, a guide sleeve 21 is fixedly installed on the other end of the L-shaped support 19, a positioning installation plate 22 is slidably installed in the guide sleeve 21, and an elastic part 23 is connected between the positioning installation plate 22 and the inner wall of the guide sleeve 21, the bottoms of the positioning and mounting plates 22 are fixedly provided with anti-skid pads 24, when the distance between the symmetrically arranged driving sliders 13 is farthest, the lower bottom surfaces of the moving rollers 6 are lower than the lower bottom surface of the base 2, the L-shaped supports 19 are positioned at the upper limit positions of the second guide sliding grooves 16, and the lower bottom surfaces of the anti-skid pads 24 are higher than the lower bottom surface of the base 2, when the distance between the symmetrically arranged driving sliders 13 is closest, the lower bottom surfaces of the moving rollers 6 are higher than the lower bottom surface of the base 2, the L-shaped supports 19 are positioned at the lower limit positions of the second guide sliding grooves 16, and the lower bottom surfaces of the base 2 are positioned between the lower bottom surfaces of the anti-skid pads 24 and the lower bottom surface of the guide sleeve 21;

by arranging the elastic supporting unit, the driving motor 40, the supporting and mounting plate 9 and the plurality of moving rollers 6, when the integral device is in a stable placing state, when the driving sliders 13 symmetrically arranged at the moment are nearest, the lower bottom surfaces of the moving rollers 6 are higher than the lower bottom surface of the base 2, the L-shaped bracket 19 is positioned at the lower limit position of the second guide chute 16, the lower bottom surface of the base 2 is positioned between the lower bottom surface of the non-slip mat 24 and the lower bottom surface of the guide sleeve 21, then the base 2 is used as the support of the integral device, and meanwhile, the non-slip mat 24 is tightly attached to the placing surface under the action of the elastic piece 23; when the whole device needs to move, the driving motor 40 drives the symmetrically arranged driving sliders 13 to be away from each other through the two-way rotating screw 7, at the moment, when the symmetrically arranged driving sliders 13 are farthest away, the lower bottom surface of the moving roller 6 is lower than the lower bottom surface of the base 2, the L-shaped support 19 is located at the upper limit position of the second guide sliding groove 16, and the lower bottom surface of the non-slip mat 24 is higher than the lower bottom surface of the base 2, so that the moving roller 6 serves as the support of the whole device, and the whole device can move conveniently.

The elastic member 23 is a compression spring.

Further, in order to improve the stability of the second connecting rod 15, springs 25 are connected between the second connecting rod 15 and the adjacent U-shaped fixing seat 8.

Still further, for the lightweight and the heat dissipation of switch board body 1, be provided with detachable locating component between switch board body 1 and the base 2 for the convenience, locating component includes positioning seat 26 of fixed mounting in switch board body 1 bottom and the fretwork supporting seat 27 of fixed mounting on base 2, ventilation hole 28 has been seted up on the lateral wall of fretwork supporting seat 27, recess 29 is seted up at the top of fretwork supporting seat 27, T type spout 30 has been seted up to the symmetry on the lateral wall of recess 29, and is relative with T type spout 30 fixed mounting T type slider 31 on the positioning seat 26 lateral wall, T type slider 31 can dismantle slidable mounting in T type spout 30, second ventilation hole 32 has been seted up to correspondence on positioning seat 26 bottom and the fretwork supporting seat 27.

The working principle of the embodiment is as follows: by arranging the elastic supporting unit, the driving motor 40, the supporting and mounting plate 9 and the plurality of moving rollers 6, when the integral device is in a stable placing state, when the driving sliders 13 symmetrically arranged at the moment are nearest, the lower bottom surfaces of the moving rollers 6 are higher than the lower bottom surface of the base 2, the L-shaped bracket 19 is positioned at the lower limit position of the second guide chute 16, the lower bottom surface of the base 2 is positioned between the lower bottom surface of the non-slip mat 24 and the lower bottom surface of the guide sleeve 21, then the base 2 is used as the support of the integral device, and meanwhile, the non-slip mat 24 is tightly attached to the placing surface under the action of the elastic piece 23; when the whole device needs to move, the driving motor 40 drives the symmetrically arranged driving sliders 13 to be away from each other through the two-way rotating screw 7, at the moment, when the symmetrically arranged driving sliders 13 are farthest away, the lower bottom surface of the moving roller 6 is lower than the lower bottom surface of the base 2, the L-shaped support 19 is located at the upper limit position of the second guide sliding groove 16, and the lower bottom surface of the non-slip mat 24 is higher than the lower bottom surface of the base 2, so that the moving roller 6 serves as the support of the whole device, and the whole device can move conveniently.

Example 2

The embodiment is further improved on the basis of the embodiment, and the improvement is that: a heat dissipation assembly is arranged on the base 2 and is positioned right below the second ventilation hole 32, the heat dissipation assembly comprises a second driving motor 33 fixedly arranged on the base 2 and a plurality of heat dissipation motors 34 with heat dissipation fans, a supporting and fixing plate 35 is fixedly arranged at the output end of the second driving motor 33, the heat dissipation motors 34 are uniformly distributed on the supporting and fixing plate 35, a sleeve frame 36 is fixedly arranged on the supporting and fixing plate 35 and is positioned outside the heat dissipation motors 34, air outlet holes are uniformly formed in the top of the sleeve frame 36, an annular sliding groove 37 is formed in the base 2, a plurality of supports 38 are fixedly arranged at the bottom of the supporting and fixing plate 35 corresponding to the annular sliding groove 37, movably arranged balls 39 are embedded in the bottom of each support 38, and the balls 39 are arranged in the annular sliding groove 37 in a rolling manner; the air outlet holes are uniformly formed in the tops of the heat dissipation motor 34 and the sleeve frame 36, so that the heat dissipation purpose of the power distribution cabinet body 1 is achieved, and the service life of the power distribution cabinet body 1 is prolonged.

The working principle of the embodiment is as follows: the air outlet holes are uniformly formed in the tops of the heat dissipation motor 34 and the sleeve frame 36, so that the heat dissipation purpose of the power distribution cabinet body 1 is achieved, and the service life of the power distribution cabinet body 1 is prolonged.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. 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.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A power distribution cabinet convenient to move comprises a power distribution cabinet body (1); the power distribution cabinet is characterized in that a base (2) is arranged at the bottom of a power distribution cabinet body (1), the base (2) is arranged in a hollow manner, an avoidance groove (3) is formed in the bottom of the base (2), a supporting type moving assembly is arranged in the base (2), a guide sliding groove (10) is symmetrically formed in the side inner wall of the base (2), a limiting sliding groove (4) is formed in the top inner wall of the base (2), U-shaped fixing seats (8) symmetrically formed in the top inner wall of the base (2) and positioned on two sides of the limiting sliding groove (4), the supporting type moving assembly comprises an elastic supporting unit, a driving motor (40), a motor support (5) for fixedly mounting the driving motor (40), a supporting mounting plate (9) slidably mounted in the guide sliding groove (10) and a plurality of moving rollers (6), and the motor support (5) is fixedly mounted on the outer side wall of the base (2), the output end of the driving motor (40) is fixedly provided with a bidirectional rotating lead screw (7), the bidirectional rotating lead screw (7) is rotatably arranged on the base (2) and the U-shaped fixed seat (8) and penetrates through the side wall of the base (2), driving sliding blocks (13) matched with the bidirectional rotating lead screw are symmetrically arranged on the bidirectional rotating lead screw (7), the driving sliding blocks (13) are all slidably arranged in the limiting sliding grooves (4), second limiting sliding grooves (11) are symmetrically arranged on the supporting mounting plate (9), transition moving blocks (12) are all slidably arranged in the second limiting sliding grooves (11), a first connecting rod (14) is arranged between each transition moving block (12) and the adjacent U-shaped fixed seat (8), a second connecting rod (15) is arranged between each transition moving block (12) and the adjacent driving sliding block (13), two ends of each first connecting rod (14) are respectively rotatably arranged on each transition moving block (12) and the adjacent U-shaped fixed seat (8), two ends of the second connecting rod (15) are respectively rotatably installed on the transition moving block (12) and the adjacent driving slide block (13), and the moving rollers (6) are uniformly distributed at the bottom of the supporting installation plate (9);

the elastic support unit comprises elastic support mechanisms symmetrically arranged, a second guide sliding groove (16) is symmetrically arranged on the outer side wall of the base (2), second fixing seats (17) symmetrically arranged on the outer side wall of the base (2) are fixedly installed at two ends of the second guide sliding groove (16), the elastic support mechanisms comprise second rotating lead screws (18) rotatably installed on the second fixing seats (17), the second rotating lead screws (18) are in transmission connection with the bidirectional rotating lead screws (7) through bevel gear pairs (20), L-shaped supports (19) matched with the second rotating lead screws are arranged on the second rotating lead screws (18), one ends of the L-shaped supports (19) are slidably installed in the second guide sliding groove (16), guide sleeves (21) are fixedly installed at the other ends of the L-shaped supports (19), and positioning installation plates (22) are slidably installed in the guide sleeves (21), elastic pieces (23) are connected between the inner walls of the positioning mounting plates (22) and the guide sleeves (21), anti-slip mats (24) are fixedly mounted at the bottoms of the positioning mounting plates (22), the driving sliding blocks (13) are symmetrically arranged when the distance between the driving sliding blocks (13) is farthest, the lower bottom surfaces of the moving rollers (6) are lower than the lower bottom surface of the base (2), the L-shaped supports (19) are located at the upper limit position of the second guide sliding grooves (16) and the lower bottom surface of the anti-slip mats (24) are higher than the lower bottom surface of the base (2), the driving sliding blocks (13) are symmetrically arranged when the distance between the lower bottom surfaces of the moving rollers (6) and the L-shaped supports (19) is higher than the lower bottom surface of the base (2), the lower bottom surfaces of the L-shaped supports (19) are located at the lower limit position of the second guide sliding grooves (16), and the lower bottom surfaces of the base (2) are located between the lower bottom surfaces of the anti-slip mats (24) and the guide sleeves (21).

2. The cabinet according to claim 1, wherein the elastic member (23) is a compression spring.

3. The power distribution cabinet convenient to move according to claim 2, wherein springs (25) are connected between the second connecting rod (15) and the adjacent U-shaped fixing seats (8).

4. The conveniently movable power distribution cabinet according to claim 3, characterized in that a detachable positioning assembly is arranged between the power distribution cabinet body (1) and the base (2), the positioning assembly comprises a positioning seat (26) fixedly arranged at the bottom of the power distribution cabinet body (1) and a hollow supporting seat (27) fixedly arranged on the base (2), the side wall of the hollow support seat (27) is provided with a vent hole (28), the top of the hollow support seat (27) is provided with a groove (29), the side wall of the groove (29) is symmetrically provided with T-shaped sliding chutes (30), a T-shaped sliding block (31) is fixedly arranged on the side wall of the positioning seat (26) opposite to the T-shaped sliding groove (30), the T-shaped sliding block (31) is detachably and slidably arranged in the T-shaped sliding groove (30), and the bottom of the positioning seat (26) and the hollow support seat (27) are correspondingly provided with second ventilation holes (32).

5. The power distribution cabinet convenient to move according to claim 4, wherein a heat dissipation assembly is arranged on the base (2) right below the second ventilation hole (32), the heat dissipation assembly comprises a second driving motor (33) fixedly arranged on the base (2) and a plurality of heat dissipation motors (34) with heat dissipation fans, a supporting and fixing plate (35) is fixedly arranged at the output end of the second driving motor (33), the heat dissipation motors (34) are uniformly arranged on the supporting and fixing plate (35), a sleeve frame (36) is fixedly arranged on the supporting and fixing plate (35) outside the heat dissipation motors (34), air outlet holes are uniformly formed in the top of the sleeve frame (36), an annular sliding groove (37) is formed in the base (2), and a plurality of brackets (38) are fixedly arranged at the bottom of the supporting and fixing plate (35) corresponding to the annular sliding groove (37), the bottom of the support (38) is embedded with a ball (39) which is movably arranged, and the ball (39) is installed in the annular sliding groove (37) in a rolling mode.