CN221409476U

CN221409476U - IIB explosion-proof electric cabinet

Info

Publication number: CN221409476U
Application number: CN202323446209.4U
Authority: CN
Inventors: 钮强
Original assignee: Aolitong Crane Jiangsu Co ltd
Current assignee: Aolitong Crane Jiangsu Co ltd
Priority date: 2023-12-18
Filing date: 2023-12-18
Publication date: 2024-07-23
Anticipated expiration: 2033-12-18

Abstract

The utility model discloses an IIB explosion-proof electric cabinet, which comprises a rear cabinet body, side plates and a cabinet door; the rear box body consists of a backboard, a top board and a bottom board which are integrally bent and formed; the two sides in the rear box body are symmetrically welded with side plates, so that convex edges protruding out of the side plates are respectively formed on the two sides of the rear box body; the convex edge is provided with a lifting hole and a fixing hole; the top plate, the bottom plate and the side plates are welded with the frame; the box door is fixedly connected with the frame through a screw, and a sealing ring is arranged between the box door and the frame. The IIB explosion-proof electric cabinet provided by the utility model has the advantages that the lifting hole with an integrated structure is formed, the lifting ring is not required to be welded independently, the assembly is convenient and fast, the safety is high, the backboard, the top plate and the bottom plate adopt the integrated structure, the welding difficulty is reduced, and the processing cost is saved.

Description

IIB explosion-proof electric cabinet

Technical Field

The utility model relates to the technical field of electric cabinets, in particular to an IIB explosion-proof electric cabinet.

Background

When an electric cabinet on the existing electric hoist crane is assembled, a lifting screw is required to be welded, the electric hoist crane is hoisted through the lifting screw, the surface strength of the electric hoist crane can be damaged by welding of the lifting screw, the welding requirement is high, and a certain safety risk exists; the existing electric cabinet is formed by welding a plurality of plates, each side is an independent plate, the parts needing to be welded are more, the processing difficulty is high, and the processing cost is high.

Disclosure of utility model

In view of the above-mentioned defect or deficiency in the prior art, it is desirable to provide an IIB explosion-proof electric cabinet, has the lifting hole of integral structure, need not to weld rings alone, and the equipment is convenient, and the security is high, and backplate, roof and bottom plate adopt integral type structure, have reduced the welded degree of difficulty, have practiced thrift processing cost.

The utility model provides an IIB explosion-proof electric cabinet, which comprises a rear cabinet body, side plates and a cabinet door;

The rear box body consists of a backboard, a top board and a bottom board which are integrally bent and formed; the two sides in the rear box body are symmetrically welded and connected with the side plates, so that convex edges protruding out of the side plates are respectively formed on the two sides of the rear box body; the convex edge is provided with a lifting hole and a fixing hole; the top plate, the bottom plate and the side plates are welded with the frame; the box door is fixedly connected with the frame through screws uniformly distributed along the circumferential direction, and a sealing ring is arranged between the box door and the frame.

Further, the lifting holes are respectively formed in the top end and the lower end of the convex edges on the two sides of the backboard, and the fixing holes are uniformly distributed between the two lifting holes; the convex edges on two sides of the top plate are respectively provided with two lifting holes; the convex edges on two sides of the bottom plate are respectively provided with two lifting holes.

Further, an element plate is fixedly arranged on the back plate through bolts in the rear box body.

Further, a wire inlet hole is formed in the side plate on one side, and a wire outlet hole is formed in the side plate on the other side; and the wire inlet hole and the wire outlet hole are both in threaded connection with explosion-proof gram heads.

Further, the rear box body, the side plates and the box door are all provided with grounding marks and grounding marks.

Further, one side of the box door is rotationally connected with the frame through a door shaft, and a handle is fixedly arranged on the other side of the box door.

Further, an explosion-proof mark and an explosion-proof nameplate are respectively arranged on the box door.

Further, a flat gasket is arranged between the screw and the box door.

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

The back plate, the top plate and the bottom plate of the explosion-proof electric cabinet adopt an integrated structure, so that the welding difficulty is reduced, and the processing cost is saved. The lifting hole is formed in the convex edge of the rear box body, the electric cabinet can be lifted through the lifting hole, the electric cabinet is convenient to assemble, the lifting ring is not required to be welded independently, the problem that the electric cabinet is damaged due to welding is avoided, and the safety is high. The integral structure of the back plate, the top plate and the bottom plate ensures the integral structural strength of the electric cabinet, so that the explosion-proof level of the electric cabinet reaches IIB level.

It should be understood that the description in this summary is not intended to limit the critical or essential features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of an IIB explosion-proof electric cabinet;

FIG. 2 is a schematic view of the structure of the rear case, side panels and side frames;

FIG. 3 is a schematic diagram of a cross-sectional front view of an IIB explosion-proof electric cabinet;

fig. 4 is a schematic diagram of a side view cross-section structure of the IIB explosion-proof electric cabinet.

Reference numerals in the drawings: 1. a rear case; 2. a side plate; 3. a door; 4. a frame; 5. an element board; 6. a grounding mark;

11. A back plate; 12. a top plate; 13. a bottom plate; 14. a convex edge; 15. a hoisting hole; 16. a fixing hole;

21. a wire inlet hole; 22. a wire outlet hole; 23. an explosion-proof gram head;

31. A screw; 32. a seal ring; 33. a door spindle; 34. a handle; 35. explosion-proof identification; 36. explosion-proof nameplate; 37. a flat gasket;

51. And (5) a bolt.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 4, an embodiment of the present utility model provides an IIB explosion-proof electric cabinet, which includes a rear cabinet 1, a side plate 2 and a cabinet door 3;

The rear box body 1 consists of a backboard 11, a top board 12 and a bottom board 13 which are integrally bent and formed; the two sides in the rear box body 1 are symmetrically welded and connected with the side plates 2, so that convex edges 14 protruding out of the side plates 2 are respectively formed on the two sides of the rear box body 1; the convex edge 14 is provided with a lifting hole 15 and a fixing hole 16; the top plate 12, the bottom plate 13 and the side plates 2 are welded with the frame 4; the box door 3 is fixedly connected with the frame 4 through bolts 31 uniformly distributed along the circumferential direction, and a sealing ring 32 is arranged between the box door 3 and the frame 4.

In this embodiment, the back plate 11, the top plate 12 and the bottom plate 13 are formed by bending a whole steel plate, so that the rear box body 1 with an integrated structure is formed, the welding parts during the processing of the electric control box are reduced, the welding difficulty is reduced, and the processing cost is saved.

The lifting hole 15 is formed in the convex edge 14 of the rear box body 1, the electric cabinet can be lifted through the lifting hole 15, the assembly is convenient, the lifting ring is not required to be welded independently, the problem that the electric cabinet is damaged due to welding is avoided, and the safety is high.

The integral structure of the back plate 11, the top plate 12 and the bottom plate 13 improves the integral structural strength of the electric cabinet, so that the explosion-proof level of the electric cabinet reaches IIB level.

In a preferred embodiment, as shown in fig. 1 and 2, lifting holes 15 are respectively formed at the top end and the lower end of the convex edges 14 on two sides of the back plate 11, and fixing holes 16 are uniformly distributed between the two lifting holes 15 of the convex edges 14 of the back plate 11; the convex edges 14 on two sides of the top plate 12 are respectively provided with two lifting holes 15; the convex edges 14 on two sides of the bottom plate 13 are respectively provided with two lifting holes 15.

In the embodiment, the lifting holes 15 on the rear box body 1 are provided with a plurality of points, and the covering parts are all, so that the lifting convenience is improved. The fixing holes 16 are directly formed in the convex edges 14 on two sides of the back plate 11, so that the electric cabinet does not need to be welded with the ear plates for fixing and mounting separately, and the processing difficulty is reduced. Meanwhile, the universal electric cabinet support is matched for use, the electric cabinet can be fixedly installed on two sides of the electric cabinet support through the fixing holes 16, and the requirement of the wiring direction of the electric cabinet is met.

In a preferred embodiment, as shown in fig. 2 and 4, a component board 5 is fixedly mounted on the back plate 11 in the rear case 1 by bolts 51 for mounting electric components.

In a preferred embodiment, as shown in fig. 1 and 2, a wire inlet hole 21 is formed on one side plate 2, and a wire outlet hole 22 is formed on the other side plate 2; the wire inlet hole 21 and the wire outlet hole 22 are both in threaded connection with an explosion-proof gram head 23.

In a preferred embodiment, as shown in fig. 1 and 4, the rear cabinet 1, the side panels 2 and the door 3 are each provided with a ground and a ground mark 6.

In a preferred embodiment, as shown in fig. 1, one side of the door 3 is rotatably connected to the frame 4 through a door shaft 33, and the other side is fixedly provided with a handle 34, so as to facilitate opening of the door 3.

In a preferred embodiment, as shown in fig. 1, the door 3 is provided with an explosion proof mark 35 and an explosion proof nameplate 36, respectively.

In a preferred embodiment, as shown in fig. 1 and 4, a flat washer 37 is provided between the screw 31 and the door 3 to ensure that the door 3 is firmly fixed.

In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean 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 present application. In this specification, schematic representations of the above terms 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 above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The IIB explosion-proof electric cabinet is characterized by comprising a rear cabinet body, side plates and a cabinet door;

2. The IIB explosion-proof electric cabinet according to claim 1, wherein the lifting holes are respectively formed in the top end and the lower end of the convex edges on two sides of the backboard, and the fixing holes are uniformly distributed between the two lifting holes; the convex edges on two sides of the top plate are respectively provided with two lifting holes; the convex edges on two sides of the bottom plate are respectively provided with two lifting holes.

3. The IIB explosion-proof electric cabinet according to claim 1, wherein the rear cabinet is internally provided with a component plate fixedly mounted on the back plate through bolts.

4. The IIB explosion-proof electric cabinet according to claim 1, wherein a wire inlet hole is formed in the side plate on one side, and a wire outlet hole is formed in the side plate on the other side; and the wire inlet hole and the wire outlet hole are both in threaded connection with explosion-proof gram heads.

5. The IIB explosion-proof electric cabinet of claim 1, wherein the rear cabinet, the side panels and the cabinet door are provided with grounding and grounding marks.

6. The IIB explosion-proof electric cabinet of claim 1, wherein one side of the cabinet door is rotatably connected with the frame through a door shaft, and a handle is fixedly arranged on the other side.

7. The IIB explosion-proof electric cabinet of claim 1, wherein the cabinet door is provided with an explosion-proof identification and an explosion-proof nameplate, respectively.

8. The IIB explosion-proof electric cabinet of claim 1, wherein a flat washer is provided between the screw and the cabinet door.