Split installation type frequency converter shell

Abstract

The utility model discloses a split installation type frequency converter housing, which comprises a preassembling bottom plate and a frequency converter, fixing bolts are uniformly distributed on the circumference of the preassembling bottom plate, guide rails I are symmetrically arranged at the upper part of the preassembling bottom plate, a guide plate is arranged at the lower part of the preassembling bottom plate, and guide columns matched with the guide rails I are arranged at the positions, corresponding to the guide rails I, of the frequency converter. A guide groove is formed in the bottom of the frequency converter corresponding to the guide plate in a matched mode, and after a first clamping block and a first positioning column are inserted and positioned, a bolt penetrates through a first through hole to be in threaded connection with a first screw hole and a second screw hole in sequence, so that the first clamping block and the first positioning column are fixedly installed on a first fixing plate, and the frequency converter is fixedly installed on the pre-installed bottom plate; quick pre-installation and stability of fixed installation are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converter shells, and particularly relates to a split-mounted frequency converter shell. Background Art

[0002] A frequency converter is a power control device that applies frequency conversion technology and microelectronics technology to control an AC motor by changing the working power frequency of the motor. The frequency converter mainly consists of a rectifier (AC to DC), a filter, an inverter (DC to AC), a braking unit, a drive unit, a detection unit, a microprocessing unit, etc.

[0003] Publication (Announcement) Number: CN220510968U discloses a frequency converter shell that is easy to install, belonging to the technical field of frequency converters, including a mounting plate body and a frequency converter body mounted on the mounting plate body. A frequency converter shell body is mounted on one side of the mounting plate body, and a mounting and fixing mechanism is provided on the mounting plate body.

[0004] In the prior art:

[0005] First, the installation stability is not good. Gaps are likely to appear in the clamping and limiting structure, resulting in looseness after installation, and then shaking and poor installation stability.

[0006] Second, during the pre-installation process, the positioning effect is not firm. It requires two or more people to cooperate in the installation, which affects the installation effect, causes a slow installation progress, and the pre-installation structure needs to be further improved.

[0007] Therefore, a split-mounted frequency converter shell needs to be provided. Content of the Utility Model

[0008] Aiming at the problems existing in the above prior art, the utility model provides a split-mounted frequency converter shell, aiming to solve the above-mentioned technical problems.

[0009] To achieve the above object, the utility model is realized through the following technical solutions: A split-mounted frequency converter housing, including a pre-installed bottom plate and a frequency converter. Fixing bolts are evenly distributed circumferentially on the pre-installed bottom plate. Guide rails 1 are symmetrically arranged on the upper part of the pre-installed bottom plate. A guide plate is arranged on the lower part of the pre-installed bottom plate. At the position corresponding to the guide rail 1, the frequency converter is provided with guide posts that cooperate with the guide rail 1. Corresponding to the guide plate, a guide groove is opened at the bottom of the frequency converter. The guide posts are slidably installed with the guide rail 1, and the guide groove is slidably installed with the guide plate. On both sides of the frequency converter, fixing plates 1 are symmetrically arranged. The fixing plates 1 are symmetrically provided with limiting grooves 1, and the limiting grooves 1 are distributed up and down. On one side of the limiting groove 1, a cylindrical groove 1 is provided. The cylindrical groove 1 is opened towards its axis direction as a threaded hole 1. At the position corresponding to the threaded hole 1 on the pre-installed bottom plate, a threaded hole 2 is opened, and the threaded hole 1 and the threaded hole 2 are coaxially arranged. A clamping block 1 is clamped and installed inside the limiting groove 1. A positioning post 1 is inserted and installed inside the cylindrical groove 1. The positioning post 1 is provided with a through hole 1 along its axis direction. The clamping block 1 is inserted into the cylindrical groove 1 through the positioning post 1. After the clamping block 1 is positioned and installed, a bolt passes through the through hole 1 and is sequentially threadedly connected to the threaded hole 1 and the threaded hole 2, so as to fixedly install the clamping block 1 on the pre-installed bottom plate and fixedly install the frequency converter on the pre-installed bottom plate.

[0010] Preferably, one side of the guide rail 1 is opened as a sliding groove 1. The cross-sectional structure of the sliding groove 1 is a rectangular groove with an open side structure. The cross-sectional structure of the guide post is a rectangular structure.

[0011] Preferably, the bottom of the sliding groove 1 is an arc-shaped sliding groove. The bottom of the guide post is provided with an arc-shaped protrusion that matches the arc-shaped sliding groove. The arc-shaped protrusion is slidably installed inside the arc-shaped sliding groove to limit the sliding of the guide plate.

[0012] Preferably, the middle part of the guide plate is a protruding plate. The guide groove is slidably installed with the protruding plate to limit and guide the installation of the frequency converter.

[0013] Preferably, thickening rib plates are arranged at the four corners of the pre-installed bottom plate. The pre-installed bottom plate is installed on the wall through fixing bolts at the positions of the thickening rib plates.

[0014] In summary, the utility model provides a split-mounted frequency converter housing. By symmetrically arranging guide rails 1 on the upper part of the pre-installed bottom plate and installing a guide plate on the lower part, at the position corresponding to the guide rail 1, guide posts are distributed on both sides of the frequency converter. The frequency converter is provided with a guide groove corresponding to the guide plate. Through the sliding installation of the guide posts and the guide rail 1 and the sliding installation of the guide groove and the guide plate, the preliminary limit installation of the frequency converter is realized, and a single person can perform the pre-installation operation; after the clamping block 1 and the positioning post 1 are inserted and positioned, a bolt passes through the through hole 1 and is sequentially threadedly connected to the threaded hole 1 and the threaded hole 2 to realize the fixed installation of the clamping block 1 and the positioning post 1 on the fixing plate 1, so as to realize the fixed installation of the frequency converter on the pre-installed bottom plate; the rapid pre-installation and the stability of the fixed installation are realized. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the split-mounted frequency converter housing of the present utility model;

[0016] Figure 2 is a schematic diagram of the structure of the first guide rail, guide plate, and second screw hole on the pre-installed bottom plate of the present utility model;

[0017] Figure 3 is a schematic diagram of the structure of the guide post, first fixing plate, and guide groove of the present utility model;

[0018] Figure 4 is the present utility model Figure 3 a schematic diagram of the internal structure of the first limit groove at position A;

[0019] Figure 5 is a schematic diagram of the structural analysis of the installation of the first limit groove, first clamping block, first positioning post, and bolt of the present utility model;

[0020] Figure 6 is a schematic diagram of the structural analysis of the installation of the first positioning post and bolt of the present utility model;

[0021] Figure 7 is a schematic diagram of the installation analysis structure of the pre-installed bottom plate and the frequency converter of the present utility model;

[0022] Figure 8 is the present utility model Figure 7 a schematic diagram of the installation structure of the first guide rail and the guide post at position B;

[0023] In the figure: pre-installed bottom plate 1, frequency converter 2, fixing bolt 3, first guide rail 4, guide plate 5, guide post 6, guide groove 7, first fixing plate 11, first limit groove 12, first cylindrical groove 13, first screw hole 14, second screw hole 15, first clamping block 16, first positioning post 17, first through hole 21, first sliding groove 22, arc-shaped sliding groove 23, arc-shaped protrusion 24, protrusion plate 25, thickened rib plate 26, bolt 27. Detailed Embodiment

[0024] The present utility model will be further described below with reference to the accompanying drawings.

[0025] As Figures 1 to 8 shown:

[0026] The utility model relates to a split-mounted frequency converter shell, which includes a pre-installed bottom plate 1 and a frequency converter 2. Fixed bolts 3 are evenly distributed in the circumferential direction of the pre-installed bottom plate 1. Guide rails 4 are symmetrically arranged on the upper part of the pre-installed bottom plate 1, and a guide plate 5 is arranged on the lower part of the pre-installed bottom plate 1. Guide columns 6 are arranged at the positions of the frequency converter 2 corresponding to the guide rails 4 and are matched with the guide rails 4. Guide grooves 7 are correspondingly opened at the bottom of the frequency converter 2 corresponding to the guide plate 5. The guide columns 6 are slidably installed with the guide rails 4, and the guide grooves 7 are slidably installed with the guide plate 5. Fixed plates 11 are symmetrically arranged on both sides of the frequency converter 2. Limit grooves 12 are symmetrically opened on the fixed plates 11 and are distributed up and down. A cylindrical groove 13 is arranged on one side of the limit groove 12. The cylindrical groove 13 is opened as a threaded hole 14 in the direction of its axis. A threaded hole 15 is opened at the position of the pre-installed bottom plate 1 corresponding to the threaded hole 14, and the threaded hole 14 and the threaded hole 15 are coaxially arranged. A clamping block 16 is clamped and installed inside the limit groove 12. A positioning column 17 is inserted and installed inside the cylindrical groove 13. A through hole 21 is opened along the axis of the positioning column 17. The clamping block 16 is inserted into the cylindrical groove 13 through the positioning column 17. After the clamping block 16 is positioned and installed, a bolt 27 passes through the through hole 21 and is sequentially threadedly connected to the threaded hole 14 and the threaded hole 15 to fix the clamping block 16 on the pre-installed bottom plate 1 and fix the frequency converter 2 on the pre-installed bottom plate 1.

[0027] To solve the problems in the prior art that the pre-installation stability is poor, multiple people are required to operate simultaneously, and there are gaps during wall installation, resulting in poor stability of shaking; the structure adopted in this patent is as follows: The circumferential direction of the pre-installed bottom plate 1 is pre-installed and fixed on the wall by the fixed bolts 3. Guide rails 4 are symmetrically arranged on the upper part of the pre-installed bottom plate 1, and a guide plate 5 is installed on the lower part. Guide columns 6 are distributed on both sides at the positions of the frequency converter 2 corresponding to the guide rails 4. Guide grooves 7 are opened at the positions of the frequency converter 2 corresponding to the guide plate 5. Through the sliding installation of the guide columns 6 and the guide rails 4 and the sliding installation of the guide grooves 7 and the guide plate 5, the preliminary limit installation of the frequency converter 2 is realized, and a single person can be used for pre-installation operation.

[0028] The fixed installation structure of the frequency converter 2 is as follows: fixing plates one 11 are symmetrically arranged on both sides of the frequency converter 2. The fixing plates one 11 are symmetrically provided with limiting grooves one 12, and the two limiting grooves one 12 are distributed vertically. Cylindrical grooves one 13 are respectively opened on the adjacent sides of the two limiting grooves one 1. A threaded hole one 14 is opened along the axial direction of the cylindrical groove one 13, and the threaded hole one 14 penetrates through the fixing plate one 11. A threaded hole two 15 is opened on the pre-installed bottom plate 1 corresponding to the threaded hole one 14 along its axial direction. A clamping block one 16 is clamped and installed in the limiting groove one 12. A positioning column one 17 is integrally arranged on one side of the bottom of the clamping block one 16. The positioning column one 17 is inserted into the cylindrical groove one 13. A through hole one 21 is opened along the axial direction of the positioning column one 17. The through hole one 21 is coaxially arranged and communicated with the threaded hole one 14 and the threaded hole two 15. After the clamping block one 16 and the positioning column one 17 are inserted and positioned, a bolt 27 passes through the through hole one 21 and is sequentially threadedly connected to the threaded hole one 14 and the threaded hole two 15, so as to fix and install the clamping block one 16 and the positioning column one 17 on the fixing plate one 11, thereby realizing the fixed installation of the frequency converter 2 on the pre-installed bottom plate 1; the rapid pre-installation and the stability of the fixed installation are realized.

[0029] In at least one embodiment, the structure of the sliding installation of the guide rail one 4 and the guide post 6 is as follows: a chute one 22 is opened on one side of the guide rail one 4. The cross-sectional structure of the chute one 22 is a rectangular groove with an open side structure. The cross-sectional structure of the guide post 6 is a rectangular structure, so as to realize the sliding installation of the guide post 6 and the chute one 22, and realize the pre-installation of the frequency converter 2 on the pre-installed bottom plate 1.

[0030] In at least one embodiment, in order to realize the limit pre-installation of the frequency converter 2 on the pre-installed bottom plate 1, the bottom of the chute one 22 is set as an arc-shaped chute 23. The bottom of the guide post 6 is matched with the arc-shaped chute 23 and set as an arc-shaped protrusion 24. The arc-shaped protrusion 24 is slidably installed inside the arc-shaped chute 23 to be used for sliding limit of the guide plate 5.

[0031] In at least one embodiment, the structure of the limit sliding installation of the guide plate 5 and the frequency converter 2 is as follows: a raised plate 25 is arranged in the middle of the guide plate 5. The guide groove 7 is slidably installed with the raised plate 25 to limit and guide the installation of the frequency converter 2.

[0032] In at least one embodiment, in order to strengthen the wall installation of the self-strength of the pre-installed bottom plate 1, thickening rib plates 26 are arranged at the four corners of the pre-installed bottom plate 1. The pre-installed bottom plate 1 is installed on the wall through fixing bolts 3 at the positions of the thickening rib plates 26.

[0033] The embodiments in the present invention are only used to illustrate the present invention and do not constitute a limitation on the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A split-mounted inverter housing, characterized in that: The invention comprises a pre-installed base plate (1) and a frequency converter (2). The pre-installed base plate (1) is evenly distributed with fixing bolts (3) in the circumferential direction. A guide rail (4) is symmetrically arranged on the upper part of the pre-installed base plate (1). A guide plate (5) is arranged on the lower part of the pre-installed base plate (1). A guide column (6) is arranged at a position of the frequency converter (2) corresponding to the guide rail (4) and in cooperation with the guide rail (4). A guide groove (7) is arranged in cooperation with the guide plate (5) at the bottom of the frequency converter (2). The guide column (6) is slidably mounted on the guide rail (4) and the guide groove (7) is slidably mounted on the guide plate (5). A fixing plate (11) is symmetrically arranged on both sides of the frequency converter (2). A limiting groove (12) is symmetrically arranged on the fixing plate (11). The limiting grooves (12) are distributed upward and downward. A cylindrical groove (13) is arranged on one side of the limiting groove (12). The cylindrical groove (13) A screw hole (14) is provided in the direction of the axis thereof, a screw hole (15) is provided in the position of the pre-installed base plate (1) corresponding to the screw hole (14), and the screw hole (14) and the screw hole (15) are arranged coaxially, a clamping block (16) is installed in the interior of the limiting groove (12), a positioning column (17) is installed in the interior of the cylindrical groove (13), and a through hole (21) is provided in the positioning column (17) along the axis thereof, the clamping block (16) is inserted into the interior of the cylindrical groove (13) through the positioning column (17), and after the clamping block (16) is positioned and installed, a bolt (27) passes through the through hole (21) and is sequentially threadedly connected to the screw hole (14) and the screw hole (15), so as to fix the clamping block (16) on the pre-installed base plate (1) and fix the frequency converter (2) on the pre-installed base plate (1).

2. A split-mounted inverter housing according to claim 1, characterized in that: One side of the guide rail 1 (4) is provided with a slide groove 1 (22), the cross-sectional structure of the slide groove 1 (22) is arranged as a rectangular groove with an opening on one side, and the cross-sectional structure of the guide column (6) is arranged as a rectangular structure.

3. A split-mounted inverter housing according to claim 2, characterized in that: The bottom of the first slide groove (22) is configured as an arc-shaped slide groove (23), and the bottom of the guide column (6) is configured as an arc-shaped protrusion (24) matching the arc-shaped slide groove (23). The arc-shaped protrusion (24) is slidably installed inside the arc-shaped slide groove (23) to limit the sliding movement of the guide plate (5).

4. The split-mounted inverter housing according to claim 1, characterized in that: The middle portion of the guide plate (5) is provided with a raised plate (25), and the guide groove (7) and the raised plate (25) are slidably mounted to provide a limit guide for the installation of the frequency converter (2).

5. The split-mounted inverter housing according to claim 1, characterized in that: Thickened ribs (26) are provided at the four corners of the pre-installed bottom plate (1), and the pre-installed bottom plate (1) is mounted on the wall at the thickened ribs (26) by means of fixing bolts (3).

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