CN219697093U - Explosion-proof type electric appliance trolley for power supply box - Google Patents

Abstract

The utility model discloses an electric appliance trolley for an explosion-proof power box, which belongs to the field of power box equipment and comprises a control cavity arranged at the middle position of an explosion-proof shell, wherein the electric appliance trolley is slidably arranged in the control cavity; the electric appliance trolley comprises a bottom layer supporting plate, supporting beams are symmetrically arranged on two sides of the bottom layer supporting plate upwards, and an upper layer supporting plate is arranged at the top end of each supporting beam; one end of the upper layer supporting plate is connected with one end of the supporting beam through a hinge, and the other end is connected with the other end through a fastener; the left and right ends of the bottom layer supporting plate are respectively provided with a small bending plate, the front and back directions of the outer side wall of the small bending plate are symmetrically provided with bearing pulleys, and the inner side wall of the control cavity is provided with sliding rails matched with the bearing pulleys. The electric appliance trolley for the flameproof power supply box can effectively avoid the problem of inconvenient installation of the vertical flameproof power supply box electric appliance, and is simple and convenient to install.

Description

Explosion-proof type electric appliance trolley for power supply box

Technical Field

The utility model relates to the field of power box equipment, in particular to an electric appliance trolley for an explosion-proof power box.

Background

The vertical flameproof power box is divided into three cavities, namely a battery cavity, a control cavity and a wiring cavity according to the GB/T3836-2020 standard requirement. The electric elements in the control cavity are more, the wiring between the electric elements is complex, the wiring harness is more, the opening of the control cavity cover faces forward, and in the place where the depth of the box body is deeper, hands cannot go deep, so that great inconvenience is caused to the wiring. Therefore, the electric appliance trolley is designed aiming at the problem of inconvenient wiring between electric appliances in the control cavity of the vertical flameproof power box, the electric appliances in the control cavity are integrated in the electric appliance trolley, wiring between the electric appliances is completed in the trolley, the trolley can be completed on a workbench, the operation space is large, and the wiring is convenient.

Disclosure of Invention

The utility model aims to provide an electric appliance trolley for an explosion-proof power supply box, which solves the problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to an electric appliance trolley for an explosion-proof power box, which comprises a control cavity arranged in the middle of an explosion-proof shell, wherein the electric appliance trolley is slidably arranged in the control cavity;

the electric appliance trolley comprises a bottom layer supporting plate, supporting beams are symmetrically arranged on two sides of the bottom layer supporting plate upwards, and an upper layer supporting plate is arranged on the top end of each supporting beam; one end of the upper layer supporting plate is connected with one end of the supporting beam through a hinge, and the other end of the upper layer supporting plate is connected with the other end of the supporting beam through a fastener; the left end and the right end of the bottom layer supporting plate are respectively provided with a small bending plate, bearing pulleys are symmetrically arranged in the front-back direction of the outer side wall of the small bending plate, and sliding rails matched with the bearing pulleys are arranged on the inner side wall of the control cavity.

Further, support columns matched with the fasteners are arranged on the support cross beams.

Further, the front end of the small bending plate is provided with an ear plate, and a waist-shaped hole is formed in the ear plate; the front end of the sliding rail is provided with a threaded hole matched with the waist-shaped hole, and the waist-shaped hole and the threaded hole are fixedly connected together through a screw.

Further, a limiting plate is arranged on the rear side wall in the control cavity, a tail wing matched with the limiting plate is arranged on the rear side wall of the bottom layer supporting plate, and the tail wing is located below the limiting plate.

Further, a handle is arranged at the center of the front end of the bottom layer supporting plate.

Further, the handle extends downwards, and the cross section between the handle and the bottom layer supporting plate is L-shaped.

Further, a U-shaped groove structure is formed between the sliding rail and the inner side wall of the control cavity, and the bearing pulley slides in the U-shaped groove.

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

the electric appliance trolley for the flameproof power supply box can complete assembly and wiring work on a workbench, electric appliance elements are respectively arranged on a bottom layer supporting plate and an upper layer supporting plate, then internal wiring is completed, after the electric appliance trolley is assembled, the electric appliance trolley can be pushed into the box only by butting a connecting wire with a battery cavity and a wiring cavity before the trolley is placed in the box, and the small bending plate at the front end of the bottom layer supporting plate and threaded holes at the front ends of left and right sliding rails can be completely assembled through screw fastening. In addition, the maintenance and detection processes are opposite to each other, the electric appliance trolley can be pulled out of the box body only by detaching the small bending plate at the front end of the bottom layer supporting plate from the screws at the front ends of the left and right sliding rails, and then the fasteners on the supporting columns are detached, so that the maintenance and detection of the upper and lower layers of electric appliances can be realized. In a word, the electric appliance trolley for the flameproof power supply box can effectively avoid the problem of inconvenient installation of the vertical flameproof power supply box electric appliance, and is simple and convenient to install.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a front view of an explosion-proof power box of the present utility model;

FIG. 2 is a cross-sectional view of the flameproof power box of the present utility model;

FIG. 3 is a partial block diagram of the flameproof power box of the present utility model;

FIG. 4 is a view of the main of the electric appliance trolley;

FIG. 5 is a top view of the electric cart;

FIG. 6 is a front view of the bottom pallet;

FIG. 7 is a top view of the bottom pallet;

FIG. 8 is an enlarged view of A;

reference numerals illustrate: 1. an explosion-proof housing; 2. an electric appliance trolley; 3. a slide rail; 4. a control chamber; 5. a limiting plate; 6. a screw;

2-1, a bottom layer supporting plate; 2-2, supporting the cross beam; 2-3, supporting columns; 2-4, upper layer supporting plates; 2-5, hinges; 2-6, fastening pieces; 2-7, small bending plates; 2-8, bearing pulleys; 2-9, a handle; 2-10, the fin.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in figures 1-8, the electric appliance trolley for the flameproof power supply box comprises a control cavity 4 arranged in the middle of an explosion-proof shell 1, wherein the electric appliance trolley 2 is slidably arranged in the control cavity 4.

The electric appliance trolley 2 comprises a bottom layer supporting plate 2-1, supporting beams 2-2 are symmetrically arranged on two sides of the bottom layer supporting plate 2-1 upwards, and an upper layer supporting plate 2-4 is arranged on the top end of each supporting beam 2-2. Specifically, the bottom layer pallet 2-1 is longer than the upper layer pallet 2-4, and the mounting position of the supporting beam 2-2 is spaced from the edge of the bottom layer pallet 2-1. Specifically, the support beam 2-2 is in an L-shaped arrangement, the bottom transverse plate of the support beam 2-2 is detachably and fixedly mounted on the bottom layer supporting plate 2-1 through a connecting piece such as a screw or a bolt, and the end part of the transverse plate at the bottom of the support beam 2-2 is aligned with the edge of the bottom layer bracket 2-1 in the vertical direction.

One end of the upper layer supporting plate 2-4 is connected with one end of the supporting beam 2-2 through a hinge 2-5, and the other end is connected with the other end through a fastener 2-6. The support beam 2-2 is provided with a support column 2-3 matched with the fastener 2-6, and specifically, the support column 2-3 is positioned in the front and rear end directions of the support beam 2-2 and is integrally formed with the support column 2-3 or welded together. In this embodiment, the fasteners 2-6 are specifically screws. The hinge type design is adopted, the upper layer supporting plate and the lower layer supporting plate are not mutually interfered during installation, and only the fastening piece 2-6 on the supporting column 2-3 is required to be loosened during maintenance, so that the upper layer supporting plate 2-4 is conveniently opened and closed through the hinge structure.

The left end and the right end of the bottom layer supporting plate 2-1 are respectively provided with a small bending plate 2-7, the front and the rear directions of the outer side wall of the small bending plate 2-7 are symmetrically provided with bearing pulleys 2-8, and the inner side wall of the control cavity 4 is provided with a sliding rail 3 matched with the bearing pulleys 2-8. Specifically, a U-shaped groove structure is formed between the sliding rail 3 and the inner side wall of the control cavity 4, the bearing pulleys 2-8 slide in the U-shaped groove, the electric appliance trolley 2 is pushed into the explosion-proof box body, and the bearing pulleys 2-8 slide on the left sliding rail 3 and the right sliding rail 3, so that friction force is reduced, and the installation of the electric appliance trolley 2 is labor-saving; in addition, the small bending plate 2-7 can also increase the bending strength of the bottom pallet 2-1 in the front-rear direction.

The front end of the small bending plate 2-7 is provided with an ear plate, and the ear plate is provided with a waist-shaped hole which can ensure the fine adjustment of the left and right installation positions of the electric trolley 2 in the box body. The front end of the sliding rail 3 is provided with a threaded hole matched with the waist-shaped hole, and the waist-shaped hole and the threaded hole are fixedly connected together through a screw 6, so that the electric trolley 2 is fixed with the explosion-proof housing 1.

The rear side wall in the control cavity 4 is provided with a limiting plate 5, the rear side wall of the bottom layer supporting plate 2-1 is provided with a tail fin 2-10 matched with the limiting plate 5, and the tail fin 2-10 is positioned below the limiting plate 5. The empennage 2-10 is matched with the limiting plate 5, and after the electric trolley 2 is pushed into the box body, the empennage 2-10 is inserted below the limiting plate 5, so that the electric trolley 2 cannot move up and down.

The handle 2-9 is arranged at the center of the front end of the bottom layer supporting plate 2-1, the handle 2-9 extends downwards, and the section between the handle and the bottom layer supporting plate 2-1 is L-shaped. In addition, the handles 2-9 can also increase the bending strength in the left-right direction.

The action process of the utility model is as follows:

firstly, the electric appliance trolley 2 completes assembly and wiring work on a workbench, electric appliance elements are respectively installed on two layers of supporting plates, and then internal wiring work is completed; then, placing the assembled electric appliance trolley 2 in front of a box body, butting connecting wires of the battery cavity and the wiring cavity, and sliding a bearing pulley 2-8 at the bottom of the electric appliance trolley 2 on the sliding rail 3 until the bearing pulley is pushed into the control cavity 4; finally, the electric trolley 2 and the control cavity 4 are fixedly connected by the screw 6, and all the assembly is completed. In contrast to the maintenance and detection processes, the control cavity 4 can be pulled out by the electric appliance trolley 2 only by detaching the small bending plate 2-7 at the front end of the bottom layer supporting plate 2-1 and the screws 6 at the front ends of the left and right sliding rails 3, and then the maintenance and detection of the upper and lower layers of electric appliances can be realized by detaching the fastening pieces 2-6 on the supporting columns 2-3.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (7)

1. An explosion-proof type power box is with electrical apparatus dolly, its characterized in that: the anti-explosion device comprises a control cavity (4) arranged at the middle position of an anti-explosion shell (1), wherein an electric appliance trolley (2) is slidably arranged in the control cavity (4);

the electric appliance trolley (2) comprises a bottom layer supporting plate (2-1), supporting beams (2-2) are symmetrically arranged on two sides of the bottom layer supporting plate (2-1) upwards, and an upper layer supporting plate (2-4) is arranged at the top end of the supporting beam (2-2); one end of the upper layer supporting plate (2-4) is connected with one end of the supporting beam (2-2) through a hinge (2-5), and the other end is connected with the other end through a fastener (2-6); the bearing device is characterized in that small bending plates (2-7) are arranged at the left end and the right end of the bottom layer supporting plate (2-1), bearing pulleys (2-8) are symmetrically arranged in the front-back direction of the outer side wall of the small bending plates (2-7), and sliding rails (3) matched with the bearing pulleys (2-8) are arranged on the inner side wall of the control cavity (4).

2. The explosion-proof power box electric appliance trolley according to claim 1, wherein: the supporting beam (2-2) is provided with a supporting column (2-3) matched with the fastening piece (2-6).

3. The explosion-proof power box electric appliance trolley according to claim 1, wherein: the front end of the small bending plate (2-7) is provided with an ear plate, and a waist-shaped hole is formed in the ear plate; the front end of the sliding rail (3) is provided with a threaded hole matched with the waist-shaped hole, and the waist-shaped hole and the threaded hole are fixedly connected together through a screw (6).

4. The explosion-proof power box electric appliance trolley according to claim 1, wherein: the control cavity is characterized in that a limiting plate (5) is arranged on the inner rear side wall of the control cavity (4), a tail wing (2-10) matched with the limiting plate (5) is arranged on the rear side wall of the bottom layer supporting plate (2-1), and the tail wing (2-10) is located below the limiting plate (5).

5. The explosion-proof power box electric appliance trolley according to claim 1, wherein: the front end center position of the bottom layer supporting plate (2-1) is provided with a handle (2-9).

6. The electrical trolley for an explosion-proof power box according to claim 5, wherein: the handle (2-9) extends downwards, and the section shape between the handle and the bottom layer supporting plate (2-1) is L-shaped.

7. The explosion-proof power box electric appliance trolley according to claim 1, wherein: a U-shaped groove structure is formed between the sliding rail (3) and the inner side wall of the control cavity (4), and the bearing pulleys (2-8) slide in the U-shaped groove.