CN217062993U

CN217062993U - IGBT power cabinet with buffer structure

Info

Publication number: CN217062993U
Application number: CN202220547072.8U
Authority: CN
Inventors: 戴永波; 黄湘辉; 刘明辉; 谭资
Original assignee: Chenzhou Jianing Technology Co ltd
Current assignee: Chenzhou Jianing Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-26
Anticipated expiration: 2032-03-14

Abstract

The utility model belongs to the technical field of power cabinets, which is used for solving the problems that the existing power cabinet does not have a buffer structure, so that electrical components in the power cabinet are easily damaged due to the influence of vibration with large amplitude in the transportation process of the power cabinet, and the transportation safety is reduced, in particular to an IGBT power cabinet with a buffer structure, a cabinet body and a cabinet door, wherein the outer surface of the front end of the cabinet body is provided with the cabinet door, and the outer surface of the lower end of the cabinet body is provided with the buffer mechanism near four corners; the utility model discloses, through setting up buffer gear, the cabinet body receives vibrations influence promotion movable section of thick bamboo in the transportation and reciprocates and extrude, extension compression spring repeatedly along rotating the post, and simultaneously because rotating post and a movable section of thick bamboo screwed connection, consequently rotate the post just reverse rotation and relapse the roll-up, unreel spring roll up one and cable wire at this in-process, utilize spring roll up one and compression spring's high elasticity, can effectively alleviate the influence of vibrations to the cabinet body.

Description

IGBT power cabinet with buffer structure

Technical Field

The utility model relates to a power cabinet technical field specifically is a IGBT power cabinet with buffer structure.

Background

The IGBT intermediate frequency power supply is a new energy-saving power supply taking an IGBT module as a main inverter, and a single half-bridge inverter system is formed by a large-capacity solid IGBT element and an auxiliary element;

the IGBT power cabinet is used for storing complex circuits and a large number of electrical elements, the existing IGBT power cabinet is large in size and heavy, so that a transfer trolley is often used for transferring, vibration is inevitably generated in the driving process of the transfer trolley, especially, the generated vibration amplitude is larger when the transfer trolley drives on a pothole road surface, and the existing power cabinet is not provided with a buffer structure, so that the electrical elements in the power cabinet are easily damaged, and the transferring safety is reduced;

in view of the above technical drawbacks, a solution is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a IGBT power cabinet with buffer structure, through setting up buffer gear, the cabinet body receives vibrations influence promotion movable section of thick bamboo in the transportation and reciprocates and extrude repeatedly along rotating the post, tensile compression spring, and simultaneously because rotating post and movable section of thick bamboo screwed connection, consequently rotate post positive and negative rotation and relapse the roll-up at this in-process, unreel spring book one and cable wire, utilize spring book one and compression spring's high elasticity, can effectively alleviate the influence of vibrations to the cabinet body, it does not have buffer structure to have solved current power cabinet, very easily lead to the electrical components of power cabinet inside to receive the great vibrations of range and influence and damage in power cabinet transportation, the problem of the security of transporting has been reduced.

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

an IGBT power cabinet with a buffer structure comprises a cabinet body and cabinet doors, wherein the cabinet doors are arranged on the outer surface of the front end of the cabinet body, buffer mechanisms are arranged on the outer surface of the lower end of the cabinet body, close to four corners, and each buffer mechanism comprises a bottom plate, a supporting plate, a rotating column, a rotating rod and a movable cylinder;

the movable barrel is fixedly connected to the outer surface of the lower end of the cabinet body, the bottom plate is located right below the movable barrel, the outer surface of the upper end of the bottom plate is rotatably connected with a rotating column at a position corresponding to the movable barrel, the upper end of the rotating column penetrates into the movable barrel and is spirally connected with the movable barrel, a support plate is movably connected to the outer surface of the movable barrel, rotating rods and support columns are arranged between the support plate and the bottom plate, the rotating rods and the support columns are respectively in two groups, the two groups of rotating rods, the support plate and the bottom plate are rotatably connected and symmetrically distributed at two sides of the rotating column, two groups of support columns, the support plate and the bottom plate are fixedly connected and symmetrically distributed at two sides of the rotating column, two groups of spring rolls are rolled at positions, close to the lower end, of the outer surface of the rotating column, and steel cables are fixedly connected with one ends of the spring rolls and the other ends of the rotating column, and one ends of the two groups of steel cables far away from the rotating column are furled on the surface of the rotating rod.

Furthermore, one end, far away from the first spring coil, of the steel cable is fixedly connected with a second spring coil, the second spring coil is wound on the surface of the rotating rod, and the winding directions of the two groups of steel cables are the same.

Further, it is two sets of the position that the dwang surface is close to the top has all cup jointed torsion spring, and torsion spring's one end and backup pad fixed connection, the other end and dwang fixed connection.

Furthermore, a compression spring is sleeved on the outer surface of the movable barrel, one end of the compression spring is fixedly connected with the supporting plate, and the other end of the compression spring is fixedly connected with the outer surface of the lower end of the cabinet body.

Furthermore, a connecting hole is formed in the connecting position of the outer surface of the supporting plate and the movable cylinder, four groups of steel balls are movably connected to the inner surface of the connecting hole in an embedded mode at equal intervals, and the outer surfaces of the steel balls are tightly attached to the outer surface of the movable cylinder.

Furthermore, a first limiting ring is fixedly connected to the position, close to the lower end, of the outer surface of the movable cylinder, and a second limiting ring is fixedly connected to the position, located above the steel cable, of the outer surface of the rotating column.

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

the utility model discloses in, through setting up buffer gear, the cabinet body receives vibrations influence promotion activity section of thick bamboo in the transportation and reciprocates and extrude repeatedly, tensile compression spring along rotating the post, and simultaneously because rotate post and activity section of thick bamboo screwed connection, consequently rotate the post just reverse rotation and relapse the roll-up, unreel spring roll up one and the cable wire at this in-process, utilize spring roll up one and compression spring's high elasticity, can effectively alleviate the influence of vibrations to the cabinet body.

Drawings

In order to facilitate understanding of the present invention for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

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

fig. 2 is a cross-sectional view of a front view of the present invention;

fig. 3 is a structural view of the buffer mechanism of the present invention;

FIG. 4 is an enlarged view of area A of the present invention;

fig. 5 is an enlarged view of the region B of the present invention.

Reference numerals: 1. a cabinet body; 2. a cabinet door; 3. a buffer mechanism; 31. a base plate; 32. a support plate; 33. rotating the column; 34. rotating the rod; 35. a second spring roll; 36. a movable barrel; 37. coiling a spring I; 38. a steel cord; 4. a torsion spring; 5. a compression spring; 6. steel balls; 7. connecting holes; 8. a first limiting ring; 9. and a second limit ring.

Detailed Description

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

The first embodiment is as follows:

as shown in fig. 1-5, the utility model provides an IGBT power cabinet with buffer structure, including the cabinet body 1 and cabinet door 2, the front end surface of the cabinet body 1 is provided with cabinet door 2, the lower extreme surface of the cabinet body 1 is provided with buffer mechanism 3 near four corners, and buffer mechanism 3 includes bottom plate 31, support plate 32, rotating column 33, dwang 34 and movable cylinder 36;

the movable barrel 36 is fixedly connected to the outer surface of the lower end of the cabinet body 1, the bottom plate 31 is positioned right below the movable barrel 36, the outer surface of the upper end of the bottom plate 31 is rotatably connected with a rotating column 33 at a position corresponding to the movable barrel 36, the upper end of the rotating column 33 penetrates into the movable barrel 36 and is spirally connected with the movable barrel, the outer surface of the movable barrel 36 is movably connected with a supporting plate 32, a rotating rod 34 and supporting columns are arranged between the supporting plate 32 and the bottom plate 31, the two groups of the rotating rods 34 and the supporting columns are respectively two, the two groups of the rotating rods 34, the supporting plate 32 and the bottom plate 31 are both rotatably connected and symmetrically distributed at two sides of the rotating column 33, the rotating column 33 rotates in the process that the movable barrel 36 moves up and down, the two groups of the supporting columns, the supporting plate 32 and the bottom plate 31 are both fixedly connected and symmetrically distributed at two sides of the rotating column 33, two groups of spring rolls 37 are rolled at a position where the outer surface of the rotating column 33 is close to the lower end, one end of the first spring roll 37 is fixedly connected with the rotating column 33, and the other end of the first spring roll is fixedly connected with a steel cable 38, one ends of the two groups of steel cables 38 far away from the rotating column 33 are rolled on the surface of the rotating rod 34, and the first spring roll 37 has traction force for rolling and pulling the steel cables 38 towards the rolling direction;

one end of the steel cable 38, which is far away from the first spring coil 37, is fixedly connected with a second spring coil 35, the second spring coil 35 is wound on the surface of the rotating rod 34, the winding directions of the two groups of steel cables 38 are the same, the positions, close to the top ends, of the outer surfaces of the two groups of rotating rods 34 are sleeved with the torsion springs 4, one ends of the torsion springs 4 are fixedly connected with the supporting plate 32, the other ends of the torsion springs are fixedly connected with the rotating rods 34, the outer surface of the movable barrel 36 is sleeved with the compression spring 5, one end of the compression spring 5 is fixedly connected with the supporting plate 32, the other end of the compression spring is fixedly connected with the outer surface of the lower end of the cabinet body 1, and the movable barrel 36 repeatedly extrudes and stretches the spring in the process of moving up and down;

the position, close to the lower end, of the outer surface of the movable cylinder 36 is fixedly connected with a first limiting ring 8 to prevent the movable cylinder 36 from being separated from the connecting hole 7, and the position, above the steel cable 38, of the outer surface of the rotating column 33 is fixedly connected with a second limiting ring 9 to avoid friction between the movable cylinder 36 and the steel cable 38 in the up-and-down moving process;

in the transportation process, the cabinet body 1 is influenced by vibration to push the movable cylinder 36 to move up and down along the rotating column 33 and repeatedly extrude and stretch the compression spring 5, since the rotating column 33 is spirally connected with the movable cylinder 36, the rotating column 33 rotates forward and backward and repeatedly winds and unwinds the spring roll I37 and the steel cable 38 in the process of the up-and-down movement of the movable cylinder 36, the high elasticity of the compression spring 5 and the spring roll I37 is utilized to effectively buffer the vibration generated in the transportation process, the influence of the vibration on the cabinet body 1 is reduced, during the forward and backward rotation of the rotary post 33 and the repeated winding and unwinding of the first spring winding 37 and the wire rope 38, the rotating rod 34 rotates the second spring coil 35 forward and backward under the pulling of the cable 38, and twists the torsion spring 4, the damping effect of the device is thus further enhanced by the elasticity of the spring coil two 35 and the torsion spring 4 in cooperation with the compression spring 5 and the spring coil one 37.

The second embodiment:

as shown in fig. 3 and 5, the difference between this embodiment and embodiment 1 is that a connection hole 7 is formed at a connection point between the outer surface of the support plate 32 and the movable cylinder 36, four sets of steel balls 6 are embedded in the inner surface of the connection hole 7 at equal intervals and are movably connected, the outer surfaces of the steel balls 6 are closely attached to the outer surface of the movable cylinder 36, the steel balls 6 are driven to rotate in the up-and-down movement process of the movable cylinder 36, the sliding connection between the movable cylinder 36 and the connection hole 7 is converted into the rolling connection between the movable cylinder 36 and the steel balls 6, and the friction loss of the device can be effectively reduced.

The utility model discloses a theory of operation: during transportation, the cabinet body 1 is affected by vibration to push the movable cylinder 36 to move up and down along the rotating column 33 and repeatedly extrude and stretch the compression spring 5, since the rotating column 33 is spirally connected with the movable cylinder 36, the rotating column 33 rotates forward and backward and repeatedly winds and unwinds the spring roll I37 and the steel cable 38 in the process of the up-and-down movement of the movable cylinder 36, the high elasticity of the compression spring 5 and the spring roll I37 is utilized to effectively buffer the vibration generated in the transportation process, the influence of the vibration on the cabinet body 1 is reduced, during the forward and backward rotation of the rotary post 33 and the repeated winding and unwinding of the first spring winding 37 and the wire rope 38, the rotating rod 34 rotates the second spring coil 35 forward and backward under the pulling of the cable 38, and twists the torsion spring 4, therefore, the elasticity of the spring roll II 35 and the torsion spring 4 is matched with the elasticity of the compression spring 5 and the spring roll I37 to further enhance the buffer effect of the device;

four groups of steel balls 6 are embedded in the inner surface of the connecting hole 7 in an embedded manner at equal intervals, the steel balls 6 are driven to rotate in the process that the movable cylinder 36 moves up and down, the sliding connection between the movable cylinder 36 and the connecting hole 7 is converted into the rolling connection between the movable cylinder 36 and the steel balls 6, and the friction loss of the device can be effectively reduced.

The foregoing is illustrative and explanatory of the structure of the invention, and it is intended that those skilled in the art who have the structure described herein be able to make various modifications, additions or substitutions thereto, without departing from the scope of the invention as defined in the claims.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a IGBT power cabinet with buffer structure, includes the cabinet body (1) and cabinet door (2), the front end surface of the cabinet body (1) is provided with cabinet door (2), a serial communication port, the lower extreme surface of the cabinet body (1) is close to four corners and all is provided with buffer gear (3), and buffer gear (3) including bottom plate (31), backup pad (32), rotation post (33), dwang (34) and a movable section of thick bamboo (36)

A movable section of thick bamboo (36) fixed connection is in the lower extreme surface of the cabinet body (1), and bottom plate (31) is located a movable section of thick bamboo (36) under, the upper end surface of bottom plate (31) rotates with the position that a movable section of thick bamboo (36) corresponds and is connected with rotation post (33), and the upper end of rotating post (33) runs through to the inside of a movable section of thick bamboo (36) and its screwed connection, the surface swing joint of a movable section of thick bamboo (36) has backup pad (32), and is provided with dwang (34) and support column between backup pad (32) and bottom plate (31), and the quantity of dwang (34) and support column is two sets ofly, two sets of dwang (34) and backup pad (32) and bottom plate (31) all rotate and are connected and are the symmetry distribution in the both sides of rotating post (33), two sets of support column and backup pad (32) and bottom plate (31) are equal fixed connection and are the symmetry distribution in the both sides of rotating post (33), two groups of spring coils (37) are wound at the position, close to the lower end, of the outer surface of the rotating column (33), one end of each spring coil (37) is fixedly connected with the other end of the rotating column (33) through a steel cable (38), and one ends, far away from the rotating column (33), of the two groups of steel cables (38) are wound on the surface of the rotating rod (34).

2. The IGBT power cabinet with the buffer structure as claimed in claim 1, wherein a second spring coil (35) is fixedly connected to an end of the steel cable (38) far away from the first spring coil (37), the second spring coil (35) is wound on the surface of the rotating rod (34), and the winding directions of the two groups of steel cables (38) are the same.

3. The IGBT power cabinet with the buffer structure as claimed in claim 2, wherein torsion springs (4) are sleeved on the outer surfaces of the two sets of the rotating rods (34) near the top ends, one ends of the torsion springs (4) are fixedly connected with the supporting plate (32), and the other ends of the torsion springs are fixedly connected with the rotating rods (34).

4. The IGBT power cabinet with the buffer structure as claimed in claim 3, wherein the outer surface of the movable cylinder (36) is sleeved with a compression spring (5), and one end of the compression spring (5) is fixedly connected with the support plate (32), and the other end is fixedly connected with the outer surface of the lower end of the cabinet body (1).

5. The IGBT power cabinet with the buffer structure as recited in claim 4, characterized in that the connection hole (7) is opened at the connection position of the outer surface of the support plate (32) and the movable cylinder (36), four groups of steel balls (6) are embedded in the inner surface of the connection hole (7) at equal intervals and movably connected, and the outer surface of the steel ball (6) is tightly attached to the outer surface of the movable cylinder (36).

6. The IGBT power cabinet with the buffer structure as recited in claim 5, characterized in that a first limit ring (8) is fixedly connected to the outer surface of the movable cylinder (36) near the lower end, and a second limit ring (9) is fixedly connected to the outer surface of the rotary column (33) above the steel cable (38).