Three-phase synchronous magnetic control mechanism switch cabinet

Abstract

The utility model discloses a three-phase synchronous magnetic control mechanism switch cabinet which comprises a three-phase magnetic control switch cabinet body, a cabinet door is movably installed on the three-phase magnetic control switch cabinet body through a hinge, and a cabinet body gravity center supporting assembly is installed below the cabinet door. The cabinet body gravity center supporting assembly comprises a containing groove, an adjusting hole is formed in the containing groove, meanwhile, a stud is installed in the adjusting hole, the end of the stud and a limiting block are fixed, and the outer side of the limiting block and a supporting plate are welded and fixed. According to the three-phase synchronous magnetic control mechanism switch cabinet, the supporting legs at the bottom of the supporting plate are supported on the ground, and the nuts screwed on the studs are tightened, so that the three-phase magnetic control switch cabinet body is supported, the stability of the three-phase magnetic control switch cabinet body during installation is ensured, collapse is avoided, and safety accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the field of switch cabinets, in particular to a three-phase synchronous magnetic control mechanism switch cabinet. Background Art

[0002] The three-phase magnetic control switch cabinet adopts computer technology to make the whole starting process predictable, controllable and adjustable. When starting, the motor accelerates evenly without mechanical shock. It can be started multiple times continuously and has a soft stop function to meet the requirements of different working conditions.

[0003] The magnetically controlled switch cabinet connects a magnetic saturation reactor in series in the stator circuit of the motor, and adjusts the DC current in the reactor control winding through closed-loop control, changes the magnetic permeability of the reactor core, and thus changes the impedance of the primary winding, so that the reactor impedance automatically decreases from large to small within a predetermined time, and the motor terminal voltage gradually rises to full voltage, realizing motor soft starting.

[0004] The three-phase magnetic control switch cabinet has the characteristics of optional starting mode, good controllability, small motor starting current, good starting repeatability, no influence of ambient temperature, no harmonic generation, multiple protection functions such as phase loss and overcurrent, small size, maintenance-free and long service life.

[0005] During the initial installation of the three-phase magnetic control switch cabinet, when the cabinet door is opened, the center of the entire switch cabinet will move to the front of the cabinet door, causing the three-phase magnetic control switch cabinet to fall forward as a whole, injuring the operator and causing a safety accident. Utility Model Content

[0006] The purpose of the utility model is to provide a three-phase synchronous magnetic control mechanism switch cabinet to solve the defects mentioned in the above background technology.

[0007] To achieve the above object, a three-phase synchronous magnetic control mechanism switch cabinet is provided, comprising a three-phase magnetic control switch cabinet body, a cabinet door is movably mounted on the three-phase magnetic control switch cabinet body through a hinge, and a cabinet gravity center support assembly is installed below the cabinet door;

[0008] The cabinet gravity center support assembly includes a receiving groove, and an adjustment hole is opened inside the receiving groove. At the same time, a stud is installed inside the adjustment hole, the end of the stud is fixed to the limit block, and the outer side of the limit block is welded and fixed to the support plate.

[0009] Preferably, a guide rail is installed on the lower side of the inner wall of the cabinet door, and an inner hole is opened on the side wall of the guide rail. At the same time, the inner hole and the adjustment hole are arranged in a straight line, and the length of the inner hole and the adjustment hole are consistent.

[0010] Preferably, a limiting groove is provided on the surface of the guide rail, and the limiting groove is adapted to the size of the limiting block, and the limiting block is slidably arranged inside the limiting groove.

[0011] Preferably, the support plate is positioned and installed on the guide rail by means of limit blocks and limit grooves, and the cross-sections of the limit blocks and limit grooves are both dovetail-shaped. The support plate is a lifting structure on the inner wall of the cabinet door and is locked by nuts and studs.

[0012] Preferably, the limit block is arranged inside the receiving groove by a stud thereon passing through the inner hole and the adjustment hole in sequence, and the stud is screwed and fixed inside the receiving groove by a nut.

[0013] Preferably, the bottom of the support plate is fixed to the support feet, and the support plate and the support feet are combined to form an "L" shape. At the same time, the cabinet door is opened and supported on the ground by the support feet at the bottom of the support plate to support the three-phase magnetic control switch cabinet body.

[0014] Compared with the prior art, the beneficial effect of the utility model is that the supporting feet at the bottom of the supporting plate are supported on the ground, and the nuts screwed on the studs are tightened to support the three-phase magnetic control switch cabinet body, thereby ensuring the stability of the three-phase magnetic control switch cabinet body during installation, and preventing collapse and safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cabinet door opening structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the support plate on the cabinet door structure of the utility model being supported on the ground;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the center-of-gravity support assembly of the structural cabinet of the utility model.

[0019] Numbers in the figure: 1. Three-phase magnetic control switch cabinet body; 2. Cabinet door; 3. Cabinet body center of gravity support assembly; 31. Receiving groove; 32. Nut; 33. Stud; 34. Adjustment hole; 35. Support plate; 351. Limit block; 36. Inner hole; 37. Limit groove; 38. Guide rail; 39. Support foot. DETAILED DESCRIPTION

[0020] See also Figure 1-4 The utility model provides a three-phase synchronous magnetic control mechanism switch cabinet, comprising a three-phase magnetic control switch cabinet body 1, characterized in that: a cabinet door 2 is movably installed on the three-phase magnetic control switch cabinet body 1 through a hinge, and a cabinet gravity center support component 3 is installed below the cabinet door 2;

[0021] The cabinet center of gravity support assembly 3 includes a receiving groove 31, and an adjustment hole 34 is opened inside the receiving groove 31. At the same time, a stud 33 is installed inside the adjustment hole 34, and the end of the stud 33 is fixed to the limit block 351, and the outer side of the limit block 351 is welded and fixed to the support plate 35.

[0022] Working principle: When installing the three-phase magnetic control switch cabinet body 1, open the cabinet door 2 so that the cabinet door 2 and the three-phase magnetic control switch cabinet body 1 are at 90°, support the support foot 39 at the bottom of the support plate 35 on the ground, and tighten the nut 32 screwed on the stud 33 to support the three-phase magnetic control switch cabinet body 1 to ensure the stability of the three-phase magnetic control switch cabinet body 1 during installation, so that it will not collapse or cause safety accidents.

[0023] As a preferred embodiment, a guide rail 38 is installed on the lower side of the inner wall of the cabinet door 2, and an inner hole 36 is opened on the side wall of the guide rail 38. At the same time, the inner hole 36 and the adjustment hole 34 are both arranged in a straight line, and the length of the inner hole 36 and the adjustment hole 34 are consistent.

[0024] like Figure 1-4 As shown: the inner hole 36 is consistent with the length of the adjustment hole 34; when the support plate 35 is adjusted in height, the stud 33 slides inside the inner hole 36 and the adjustment hole 34, and the support plate 35 is adapted to adjust the height, so that the installation height of the three-phase magnetic control switch cabinet body 1 can be adapted.

[0025] As a preferred implementation, a limiting groove 37 is provided on the surface of the guide rail 38 , and the limiting groove 37 is adapted to the size of the limiting block 351 , and the limiting block 351 is slidably disposed inside the limiting groove 37 .

[0026] like Figure 1-4 As shown: when the support plate 35 is lifted or lowered, the limit block 351 thereon is slidably set inside the limit groove 37, which can limit and guide the support plate 35 during the lifting or lowering, thereby preventing the support plate 35 from tilting during the lifting or lowering.

[0027] As a preferred embodiment, the support plate 35 is positioned and installed on the guide rail 38 by means of a limit block 351 and a limit groove 37, and the cross-sections of the limit block 351 and the limit groove 37 are both dovetail-shaped. The support plate 35 is a lifting structure on the inner wall of the cabinet door 2 and is locked by nuts 32 and studs 33.

[0028] like Figure 1-4 As shown: the support plate 35 is a lifting structure on the inner wall of the cabinet door 2 and is locked by nuts 32 and studs 33; the support feet 39 at the bottom of the support plate 35 support the ground, which can support the three-phase magnetic control switch cabinet body 1 as a whole to prevent the three-phase magnetic control switch cabinet body 1 from tilting forward.

[0029] As a preferred embodiment, the limit block 351 is arranged inside the receiving groove 31 by the stud 33 thereon passing through the inner hole 36 and the adjustment hole 34 in sequence, and the stud 33 is screwed and fixed inside the receiving groove 31 by the nut 32.

[0030] As a preferred embodiment, the bottom of the support plate 35 is fixed to the support foot 39, and the support plate 35 and the support foot 39 are combined together to form an "L" shape. At the same time, the cabinet door 2 is opened and supported on the ground by the support foot 39 at the bottom of the support plate 35 to support the three-phase magnetic control switch cabinet body 1.

Claims

1. A three-phase synchronous magnetic control mechanism switch cabinet, comprising a three-phase magnetic control switch cabinet body (1), characterized in that: A cabinet door (2) is movably mounted on the three-phase magnetically controlled switch cabinet body (1) via a hinge, and a cabinet gravity center support assembly (3) is mounted below the cabinet door (2); The cabinet center of gravity support assembly (3) comprises a receiving groove (31), and an adjustment hole (34) is provided inside the receiving groove (31). A stud (33) is installed inside the adjustment hole (34), and the end of the stud (33) is fixed to a limit block (351), and the outer side of the limit block (351) is welded and fixed to a support plate (35); the bottom of the support plate (35) is fixed to a support foot (39), and the support plate (35) and the support foot (39) are combined together to form an "L" shape, and the cabinet door (2) is opened and supported on the ground by the support foot (39) at the bottom of the support plate (35) to support the three-phase magnetic control switch cabinet body (1).

2. A three-phase synchronous magnetic control mechanism switch cabinet according to claim 1, characterized in that: A guide rail (38) is installed on the lower side of the inner wall of the cabinet door (2), and an inner hole (36) is provided on the side wall of the guide rail (38). The inner hole (36) and the adjustment hole (34) are both arranged in a straight line, and the inner hole (36) and the adjustment hole (34) have the same length.

3. A three-phase synchronous magnetic control mechanism switch cabinet according to claim 2, characterized in that: A limiting groove (37) is provided on the surface of the guide rail (38), and the limiting groove (37) is adapted to the size of the limiting block (351), while the limiting block (351) is slidably disposed inside the limiting groove (37).

4. The three-phase synchronous magnetic control mechanism switch cabinet according to claim 1, characterized in that: The support plate (35) is positioned and installed on the guide rail (38) by means of a limit block (351) and a limit groove (37), and the cross-sections of the limit block (351) and the limit groove (37) are both dovetail-shaped. The support plate (35) is a lifting structure on the inner wall of the cabinet door (2) and is locked by means of nuts (32) and studs (33).

5. The three-phase synchronous magnetic control mechanism switch cabinet according to claim 1, characterized in that: The limit block (351) is arranged inside the receiving groove (31) by means of a stud (33) thereon which passes through the inner hole (36) and the adjustment hole (34) in sequence, and the stud (33) is screwed and fixed inside the receiving groove (31) by means of a nut (32).

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