Drawing type switch cabinet

Abstract

The utility model discloses a pull-out switch cabinet which comprises a cabinet body, cross beams are symmetrically arranged on side plates of the cabinet body, and a load switch beam is arranged between the cross beams on the two sides. The cross beam is of a U-shaped structure composed of an L-shaped upper limiting plate and an L-shaped lower limiting plate, the lower limiting plate is formed by butt joint of a left limiting plate and a right limiting plate, spherical grooves are formed in the opposite sides of the left limiting plate and the right limiting plate, a steel ball is arranged between the spherical grooves, and the top of the steel ball is exposed out of the upper plane of the lower limiting plate; a plurality of groups of limiting through holes are uniformly formed in the upper limiting plate; the load switch beam is composed of an insertion plate and a mounting plate, the insertion plate and the mounting plate are vertically connected, the insertion plate is inserted between the upper limiting plate and the lower limiting plate, an insertion through hole is formed in the insertion plate, and the insertion plate and the upper limiting plate are fixedly connected through a bolt. According to the utility model, the whole switch group can be pulled out through the pull-out structure, thereby facilitating early-stage installation and later-stage maintenance, and meanwhile, the steel ball structure is adopted, thereby being high in bearing capacity and not easy to damage.

Description

Technical Field

[0001] The utility model relates to the field of electrical cabinet manufacturing, in particular to a pull-out switch cabinet. Background Art

[0002] The switch cabinet is mainly used in the power system and plays the role of opening, closing, controlling and protecting electrical equipment during the processes of power generation, power transmission, power distribution and power conversion. It includes components such as circuit breakers, disconnectors, load switches, operating mechanisms, instrument transformers and various protection devices.

[0003] In traditional switch cabinets, due to the large load on the switch beam, it is rather laborious to move the switch beam during disassembly or maintenance, resulting in a relatively small back space when repairing the switch components. Especially when the back panel of the cabinet cannot be opened, the operation is rather inconvenient; at the same time, some pull-out structures using rollers are extremely easy to be damaged and not conducive to long-term use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pull-out switch cabinet that is convenient for maintenance and installation.

[0005] The purpose of the utility model is realized as follows: A pull-out switch cabinet includes a cabinet body. Cross beams are symmetrically arranged on the side plates of the cabinet body, and a load switch beam is arranged between the two cross beams on both sides;

[0006] The cross beam is a U-shaped structure composed of an L-shaped upper limit plate and an L-shaped lower limit plate. The lower limit plate is composed of a left limit plate and a right limit plate butt-jointed. A plurality of groups of spherical grooves are evenly arranged on the opposite sides of the left limit plate and the right limit plate. Steel balls are arranged between the spherical grooves, and the tops of the steel balls protrude from the upper plane of the lower limit plate; A plurality of groups of limit through holes are evenly arranged on the upper limit plate;

[0007] The load switch beam is composed of an insertion plate and a mounting plate. The insertion plate and the mounting plate are vertically connected. The insertion plate is inserted between the upper limit plate and the lower limit plate. Insertion through holes are arranged on the insertion plate, and the insertion plate and the upper limit plate are fixedly connected by bolts.

[0008] Preferably, extension fixing plates are arranged on the outer sides of both ends of the cross beam, and the extension fixing plates are fixedly connected with the cabinet body by bolts.

[0009] Preferably, a rubber layer is arranged on the outer circle of the insertion through hole on the insertion plate.

[0010] Preferably, the width of the upper limit plate is greater than the width of the lower limit plate, and there is no lower limit plate directly below the position corresponding to the limit through hole.

[0011] Preferably, the length of the load switch beam is greater than the distance between the steel balls inside the two cross beams on both sides and less than the distance between the inner side surfaces of the two cross beams on both sides.

[0012] Preferably, the width of the insertion plate is greater than twice the length of the spacing between adjacent steel balls.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The load switch beam is designed in a form where the insertion plate is perpendicular to the mounting plate. The insertion plate can be inserted into the cross beam. After installing the switch assembly on the load switch beam, the front and back movement of the load switch beam is more convenient through the internal steel balls, facilitating the pre-installation and post-maintenance;

[0015] 2. The structure of the cross beam is transformed into a U-shaped structure, which can better limit the load switch beam. At the same time, the steel ball has high structural strength and is not easily damaged, which is beneficial for long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model.

[0017] Figure 2 is Figure 1 an enlarged structural view of part A in

[0018] Figure 3 is a schematic structural diagram of the cooperation between the load switch beam and the cross beam of the present utility model.

[0019] Figure 4 is a schematic structural diagram of the insertion plate of the present utility model.

[0020] Figure 5 is a schematic structural diagram of the insertion plate in contact with the steel ball of the present utility model.

[0021] Wherein, 1 cabinet body, 2 cross beam, 201 upper limit plate, 2011 limit through hole, 202 lower limit plate, 2021 left limit plate, 2022 right limit plate, 203 extension fixing plate, 3 load switch beam, 301 insertion plate, 3011 insertion through hole, 302 mounting plate, 4 spherical groove, 5 steel ball, 6 rubber layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0023] It should be noted that in the description of the present utility model, it is necessary to state that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", "hanging" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0024] In the description of the present utility model, it is also necessary to state that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] As Figures 1-5 shown, a draw-out switch cabinet includes a cabinet body 1. Cross beams 2 are symmetrically arranged on the side plates of the cabinet body 1, and a load switch beam 3 is arranged between the two cross beams 2;

[0026] The cross beam 2 is a U-shaped structure composed of an L-shaped upper limit plate 201 and an L-shaped lower limit plate 202. The lower limit plate 202 is composed of a left limit plate 2021 and a right limit plate 2022 butt-jointed. A plurality of groups of spherical grooves 4 are evenly arranged on the opposite sides of the left limit plate 2021 and the right limit plate 2022. Steel balls 5 are arranged between the spherical grooves 4, and the tops of the steel balls 5 expose the upper plane of the lower limit plate 202. A plurality of groups of limit through holes 2011 are evenly arranged on the upper limit plate 201;

[0027] The load switch beam 3 is composed of an insertion plate 301 and a mounting plate 302. The insertion plate 301 and the mounting plate 302 are vertically connected. The insertion plate 301 is inserted between the upper limit plate 201 and the lower limit plate 202. An insertion through hole 3011 is arranged on the insertion plate 301. The insertion plate 301 and the upper limit plate 201 are fixedly connected by bolts. The insertion plate is horizontally inserted into the cross beam, and the mounting plate serves as a vertical surface to connect with the switch assembly. At the same time, a second group of cross beams and load switch beams can be set to connect with the lower half of the switch assembly to improve the overall stability.

[0028] like Figure 1 As shown, an extension fixing plate 203 is provided on the outer sides of both ends of the crossbeam 2, and the extension fixing plate 203 is connected and fixed to the cabinet body by bolts.

[0029] like Figure 4 As shown, the outer ring of the insertion hole 3011 on the insertion plate 301 is provided with a rubber layer 6, which can be used to fill the small gap between the upper limit plate and the insertion plate. When the upper limit plate and the insertion plate are connected by bolts, the rubber layer can also serve as a buffer to avoid hard contact.

[0030] like Figures 2-3 As shown, the width of the upper limit plate 201 is greater than that of the lower limit plate 202, and there is no lower limit plate 202 directly below the limit hole 2011. When the upper limit plate 201 is connected to the insertion plate 301, it is necessary to ensure that the width of the insertion plate is slightly greater than the width of the upper limit plate, and at the same time, the limit hole and the insertion hole need to correspond to each other up and down.

[0031] like Figure 3 As shown, the length of the load switch beam 3 is greater than the spacing between the steel balls 5 in the two side beams 2 and less than the spacing between the inner sides of the two side beams 2, ensuring that the two ends of the load switch beam body do not leave the steel ball area, so that it can always move through the steel balls.

[0032] like Figure 5 As shown, the width of the insert plate 301 is greater than twice the length of the spacing between adjacent steel balls 5, ensuring that when the load switch beam moves forward and backward, the insert plate always contacts at least two groups of steel balls, thereby ensuring the stability of the operation of the load switch beam.

[0033] The working principle of the utility model is described as follows: when in use, the insertion plate is inserted between the upper limit plate and the lower limit plate, and then moved to a suitable position and the insertion plate and the upper limit plate are fixed by bolts. When the load switch beam needs to be moved, it can be moved back and forth on the beam by simply unscrewing the bolts.

[0034] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary personnel in the field to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents of the present invention for protection have been fully recorded in the claims.

Claims

1. A pull-out switch cabinet, characterized in that: It comprises a cabinet body, the side panels of the cabinet body are symmetrically provided with beams, and a load switch beam is provided between the beams on both sides; The crossbeam is a U-shaped structure composed of an L-shaped upper limit plate and an L-shaped lower limit plate. The lower limit plate is formed by connecting a left limit plate and a right limit plate. A plurality of groups of spherical grooves are evenly arranged on the opposite sides of the left limit plate and the right limit plate. Steel balls are arranged between the spherical grooves, and the tops of the steel balls are exposed on the plane of the lower limit plate. A plurality of groups of limit through holes are evenly arranged on the upper limit plate. The load switch beam is composed of an insertion plate and a mounting plate. The insertion plate and the mounting plate are vertically connected. The insertion plate is inserted between the upper limit plate and the lower limit plate. An insertion through hole is provided on the insertion plate. The insertion plate and the upper limit plate are fixedly connected by bolts.

2. A pull-out switch cabinet according to claim 1, characterized in that: Outer sides of both ends of the crossbeam are provided with extension fixing plates, and the extension fixing plates are connected and fixed to the cabinet body by bolts.

3. The pull-out switch cabinet according to claim 1, characterized in that: The outer ring of the insertion through hole on the insertion plate is provided with a rubber layer.

4. The pull-out switch cabinet according to claim 1, characterized in that: The width of the upper limit plate is greater than that of the lower limit plate, and there is no lower limit plate directly below the limit through hole.

5. The pull-out switch cabinet according to claim 1, characterized in that: The length of the load switch beam is greater than the spacing between the steel balls in the two side beams and less than the spacing between the inner side surfaces of the two side beams.

6. The pull-out switch cabinet according to claim 1, characterized in that: The width of the insert plate is greater than twice the length of the spacing between adjacent steel balls.

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