CN214314198U

CN214314198U - Side-turning platform for electric box

Info

Publication number: CN214314198U
Application number: CN202022899323.2U
Authority: CN
Inventors: 李晗
Original assignee: Posco Engineering Technology China Co ltd
Current assignee: Posco Engineering Technology China Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-28
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a side turnover maintenance platform for an electric box, which comprises an electric box body, wherein an outer side wall plate of the electric box body is connected with the electric box body through a mechanical lifting device, and the outer side wall plate can be vertically turned downwards by 90 degrees through the mechanical lifting device to form a platform; the method and the system not only embody the characteristics of the mobile substation, but also can open the maintenance platform at any time to carry out corresponding operation; meanwhile, the space is saved, and the side wall of the electrical box is fully utilized.

Description

Side-turning platform for electric box

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a platform that turns on one's side for electric box.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The main function of the device is to open and close, control and protect the electric equipment in the process of generating, transmitting, distributing and converting electric energy in the power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.

The handcart type switch cabinet comprises a cabinet body, wherein an upper door, a middle door and a lower door are arranged in front of the cabinet body; is characterized in that; a detachable baffle is arranged in the cabinet body, and the baffle separates a circuit breaker chamber, a bus chamber and a cable chamber of the cabinet body; a hole into which a moving contact of the integrated current transformer can be inserted is formed in the baffle; the handcart rail is arranged on the ground and is far away from the static contact of the isolating plug, the handcart rail is arranged in the middle of the switch cabinet (also called a central switch cabinet) and is close to the static contact of the isolating plug, and the interchangeability of the handcart part is good. During maintenance, only the handcart is stored and replaced, the power failure time of maintenance can be shortened, and the handcart is suitable for places with more important loads or smaller building areas.

The 33kV switch cabinet circuit breaker handcart needs to be drawn out from the switch cabinet body during testing and overhauling. At least 2 meters of operating space needs to be reserved in front of a 33kV switch cabinet in a conventional substation. The depth of the 33Kv switch cabinet is 2.65 meters, and the outer width of the electric box is 3.2 meters, so that the operation and maintenance space of the switch cabinet cannot meet the requirement of equipment operation and maintenance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a platform that turns on one side for electric box changes conventional case outside concrete maintenance platform into and utilizes box lateral wall board side upset 90 backs, supports in addition one side with the landing leg, and the case outside platform is trilateral to set up the railing, forms and overhauls the platform.

In order to achieve the above object, the present invention provides the following specific technical solutions:

the utility model provides a side upset overhauls platform for electric box, includes the electric box body, the lateral wall board of electric box body pass through mechanical elevating gear with the electric box body links to each other, the lateral wall board passes through mechanical elevating gear can overturn 90 in order to form the platform perpendicularly downwards.

Preferably, the mechanical lifting device is a chain block and comprises an upper lifting hook, a lower lifting hook, a lifting chain and a hand chain; because chain block is traditional mechanical lifting means, has good maintenance and easy to use etc. and has a bit, has avoided the circumstances such as the trouble maintenance inconvenience in the electric block use.

Preferably, the upper lifting hook is fixed in the electrical box body, the lower lifting hook is fixed on the outer side wall plate, and the upper lifting hook is connected with the lower lifting hook through the lifting chain.

Preferably, a support leg is arranged below the opposite side of the connecting end of the outer side wall plate and the electrical box and used for supporting the platform when the maintenance platform is opened.

Preferably, the inner side of the outer side wall plate is also provided with a folding railing; when the maintenance platform is opened for use, the folding handrail is opened, and three outward edges of the maintenance platform are protected; when the maintenance platform is folded, the folding handrail is folded in a fitting manner.

Preferably, the outer side wall board is equipped with multichannel hidden beam along the horizontal direction to improve its bearing capacity, satisfy the bearing capacity requirement when cubical switchboard overhauls.

Preferably, the corrugated plate is arranged on the outer side of the outer side wall plate, and the stiffening rib is arranged on the local part of the corrugated plate; the rigidity and the flatness outside the plane of the maintenance platform are increased, the deformation of the maintenance platform under the dead weight and the external load is reduced, and the use requirement is met.

The utility model has the advantages that: the side-turning maintenance platform for the electrical box is provided, an outer side wall plate of a box body of the common electrical box is changed into the side-turning maintenance platform, the characteristics of a mobile substation are reflected, and the maintenance platform can be opened at any time to perform corresponding operation; meanwhile, the space is saved, and the side wall of the electrical box is fully utilized.

Drawings

Fig. 1 is an elevation view of an electrical box body in the technical solution of the present invention;

FIG. 2 is an A-A view of the outer side wall panel of FIG. 1 when open;

fig. 3 is a front view of the outer side wall plate in the technical solution of the present invention;

FIG. 4 is a view from the direction C-C of FIG. 3;

fig. 5 is a view from B-B in fig. 3.

Wherein, 1-outer side wall plate, 11-hidden beam, 12-corrugated plate; 2-a chain block, 21-an upper lifting hook, 22-a lower lifting hook, 23-a lifting chain and 24-a hand chain; 3-supporting legs; 4-folding railing.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to.

The terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and "upright," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "coupled" are to be construed broadly, e.g., as meaning either a fixed connection, a detachable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" or "plural groups" means two or more unless otherwise specified.

The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

Referring to fig. 1-5, in a preferred embodiment of the present invention, a side turning maintenance platform for an electrical box is disclosed, which comprises an electrical box body, an outer sidewall plate 1 of which is connected with the electrical box body through a chain block 2, the outer sidewall plate 1 can be turned downward and vertically by 90 degrees through the chain block 2 to form a platform.

Further, the chain block 2 comprises an upper hook 21, a lower hook 22, a hoisting chain 23 and a hand chain 24, wherein the upper hook 21 is fixed in the electrical box body, the lower hook 22 is fixed on the outer side wall plate 1, and the upper hook 21 and the lower hook 22 are connected through the hoisting chain 23; because chain block 2 is traditional mechanical lifting means, has good maintenance and easy to use etc. and has a bit, has avoided the circumstances such as the maintenance inconvenience of electric block trouble in the use.

Furthermore, 4 support legs 3 are arranged below the outer side wall plate 1; the inner side of the outer side wall plate 1 is also provided with a folding railing 4.

Further, the lateral wall board 1 is equipped with 5 dark roof beams 11 along the horizontal direction to consolidate the lateral wall board 1, improve its bearing capacity, satisfy the bearing capacity requirement when cubical switchboard overhauls.

Further, in order to meet the requirements of flatness and rigidity of the whole maintenance platform and reduce deformation of the maintenance platform under the action of self weight and external load, the outer side of the outer side wall plate 1 is provided with a corrugated plate 12, and a stiffening rib is arranged at a local part of the outer side wall plate.

The preferred embodiment described above operates as follows: if the side-turning maintenance platform needs to be opened, two persons at two sides need to synchronously operate the hand chains 24 of the chain block 2 at the same time, the maintenance platform is slowly released through the hoisting chains 23, after the maintenance platform is leveled, the supporting legs 3 below the outer side wall plate 1 are installed in place, the folding railings 4 are unfolded at the same time, and three sides of the maintenance platform are protected; when the side overturning platform is folded, the folding handrail 4 is folded in a compliant way, then two persons at two sides are required to synchronously operate the hand chains 24 of the chain blocks 2 at the same time, the overhauling platform is slowly folded through the hoisting chains 23, and the overhauling platform is fastened by the locking rods.

Compared with the prior art, the beneficial effect of this application lies in:

(1) the outer side wall plate of the box body of the common electric box is changed into a side-turning maintenance platform, and a conventional concrete maintenance platform is omitted, so that the characteristics of the mobile substation are reflected, and the maintenance platform can be opened at any time to perform corresponding operation; meanwhile, the space is saved, and the side wall of the electrical box is fully utilized.

(2) The side-turning maintenance platform is opened and closed by the chain block, so that the side-turning maintenance platform has the advantages of good maintenance and easy use, and the defect of inconvenient after-sale maintenance of the electric block is overcome.

(3) The bearing capacity is improved by increasing the number of the side wall hidden beams, so that 500kg/m is met when the 33kV switch cabinet is overhauled²The bearing capacity requirement of (2).

(4) Because the maintenance platform size is great, the roughness requirement of difficult realization platform through setting up local stiffening rib, and the wave plate is adopted in the lateral wall board outside, increases the rigidity of maintaining outside the platform plane, reduces its deformation under dead weight and external load effect, sets up 4 adjustable supporting legs simultaneously for the support of maintenance platform one side is favorable to realizing leveling.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The utility model provides a side platform that turns over for electric box, includes the electric box body, its characterized in that, the lateral wall board of electric box body pass through mechanical elevating gear with the electric box body links to each other, the lateral wall board passes through mechanical elevating gear can 90 in order to form the platform downwards perpendicularly upset.

2. The side overturning platform for electrical cabinets of claim 1 wherein the mechanical lifting device is a chain block comprising an upper hook, a lower hook, a lifting chain and a hand chain.

3. The side overturning platform for an electrical cabinet according to claim 2, wherein the upper hook is fixed in the electrical cabinet body, the lower hook is fixed on the outer sidewall plate, and the upper hook and the lower hook are connected by the hoisting chain.

4. The side inversion platform for electrical boxes of claim 3, wherein support legs are provided below the outer side wall plate opposite the electrical box connection end.

5. The side inversion platform for an electrical cabinet of claim 4, wherein the inner side of the outer side wall panel is further provided with a folding rail.

6. The side overturning platform for an electrical cabinet according to claim 5, wherein the outer side wall plate is provided with a plurality of hidden beams along the horizontal direction.

7. The side overturning platform for electrical cabinets of claim 5 wherein corrugated plates are provided on the outside of the outer side wall plates and stiffening ribs are provided locally.