Switch box of construction hoist

Abstract

The utility model belongs to the technical field of switch boxes, particularly relates to a switch box of a construction hoist, and aims to solve the problems that although a control knob is arranged on a box door of the switch box, the operation and the use are convenient, the explosion-proof and anti-corrosion effects are not ideal enough, the long-term use of equipment is not facilitated, and the use safety is not ensured. A box door matched with the box body for use is rotatably mounted at a box opening of the box body, the box body and the box door are fixed through two hasps, and two wire harness tubes for cables to pass through are arranged at the bottom of the box body in a penetrating manner. In addition, the box body is made of glass fiber reinforced plastic materials, the explosion-proof box is made of aluminum alloy materials and subjected to anodic oxidation treatment, the box body and the explosion-proof box both have excellent corrosion resistance, can be used for a long time in a severe environment and are not prone to damage, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of switch boxes, in particular to a switch box for a construction hoist. Background Technique

[0002] The switch box for a construction hoist is an electrical device dedicated to controlling a construction hoist (also known as a building hoist or a construction elevator). Such a switch box usually contains the necessary components for starting, stopping the hoist, and controlling its running speed and direction.

[0003] After retrieval, a load switch box for a construction hoist disclosed in the patent with the publication number CN218770646U, although a control knob is provided on the box door for convenient operation, its explosion-proof and anti-corrosion effects are not ideal enough, which is not conducive to the long-term use of the equipment and ensuring the use safety.

[0004] In view of the above problems, the present utility model document proposes a switch box for a construction hoist. Content of the Utility Model

[0005] The utility model provides a switch box for a construction hoist, which solves the disadvantages in the prior art that although a control knob is provided on the box door for convenient operation, its explosion-proof and anti-corrosion effects are not ideal enough, which is not conducive to the long-term use of the equipment and ensuring the use safety.

[0006] The utility model provides the following technical solutions:

[0007] A switch box for a construction hoist, comprising:

[0008] A box body, at the box opening of the box body, a supporting box door is rotatably installed. The box body and the box door are fixed by two buckles. At the bottom of the box body, two wire harness tubes for the cable to pass through are penetrated and arranged;

[0009] An explosion-proof component, arranged inside the box body, for improving the use safety of the equipment.

[0010] In a possible design, the explosion-proof component includes an explosion-proof box fixedly arranged inside the box body. Various electrical components are arranged inside the explosion-proof box. At the bottom of the explosion-proof box, a through hole aligned with the top end of the wire harness tube is arranged. An inner protection door is rotatably installed on the inner wall of the explosion-proof box. Through holes for the control switches of corresponding components to pass through are arranged on the inner protection door. A rotating handle for easy opening and closing is arranged on the surface of the inner protection door.

[0011] In a possible design, the box body is made of fiberglass-reinforced plastic material with excellent corrosion resistance.

[0012] In a possible design, the explosion-proof box is made of aluminum alloy material adapted for lightweight design, and the aluminum alloy surface of the explosion-proof box is anodized to form a corrosion-resistant oxide film.

[0013] In a possible design, an emergency brake button is provided on the box door.

[0014] In a possible design, mounting plates are welded at the four corners of the outside of the box body, and reserved mounting holes for bolts are provided on the mounting plates.

[0015] It should be understood that the above general description and the following detailed description are only exemplary and cannot limit the present invention.

[0016] The working principle and usage process of this technical solution are as follows:

[0017] During use, align the box body of the construction elevator switch box with the designated installation position of the construction elevator through the mounting plates welded at the four corners of its outside, and use bolts to pass through the reserved mounting holes to firmly fix the box body on the elevator. Then, pass the cables through the two wire harness tubes at the bottom of the box body, and these cables are connected to the electrical components inside the explosion-proof box. After the installation is completed, use two buckles to fix the box door to the box body.

[0018] In daily use, the operator can quickly cut off the power supply of the construction elevator in case of emergency through the emergency brake button on the box door to ensure safety. When it is necessary to maintain or repair the electrical components inside the explosion-proof box, the operator can untie the buckles, open the box door, and then open the inner protection door by rotating the knob on the inner protection door on the inner wall of the explosion-proof box to expose the electrical components. Through the through holes on the inner protection door, the operator can easily access the control switches of the components that need to be operated.

[0019] The present invention has the following beneficial effects:

[0020] By setting the explosion-proof components, especially the explosion-proof box and the inner protection door, the present invention effectively isolates the direct contact between the electrical components and the external environment, reduces the risk of explosion or fire caused by electrical faults, and improves the safety of using the construction elevator.

[0021] In the present invention, the box body is made of glass fiber reinforced plastic material, and the explosion-proof box is made of aluminum alloy material and is anodized. Both have excellent corrosion resistance, can be used for a long time in harsh environments without being easily damaged, and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a construction elevator switch box provided by an embodiment of the present invention;

[0023] Figure 2 Another perspective structural schematic diagram of a switch box for a construction hoist provided by an embodiment of the present utility model;

[0024] Figure 3 Internal structural schematic diagram of the box body of a switch box for a construction hoist provided by an embodiment of the present utility model;

[0025] Figure 4 Internal structural schematic diagram of the explosion-proof box of a switch box for a construction hoist provided by an embodiment of the present utility model.

[0026] Reference numerals: 1, box body; 2, box door; 3, buckle; 4, mounting plate; 5, explosion-proof box; 6, inner protection door; 7, wire harness tube; 8, through hole; 9, rotary handle; 10, through hole; 11, emergency stop button. Specific embodiments

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] In the description of the present utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc. indicating the orientation or positional relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0029] In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed descriptions of known functions and known components are omitted in the present utility model.

[0030] Embodiment 1

[0031] Please refer to Figures 1-4 , a switch box for a construction hoist, which is applied in the field of switch boxes and includes:

[0032] Cabinet 1 is made of fiberglass-reinforced plastic material with excellent corrosion resistance. This material not only has strong corrosion resistance but also good mechanical strength and insulation performance, making it very suitable for the control system of construction hoists used outdoors and in harsh environments. At the opening of cabinet 1, a matching door 2 is rotatably installed through a hinge mechanism to ensure that door 2 can be opened and closed smoothly. To fix door 2, two latches 3 are installed on cabinet 1. By locking and releasing latches 3, it can effectively prevent door 2 from accidentally opening and ensure the safety of internal electrical components.

[0033] Explosion-proof component, which is arranged inside cabinet 1 and used to improve the safety of equipment during use. The explosion-proof component includes an explosion-proof box 5 fixedly installed inside cabinet 1. This explosion-proof box 5 is made of aluminum alloy material with an adapted lightweight design, and its aluminum alloy surface is anodized to form a corrosion-resistant oxide film to enhance its weather resistance and service life. Various electrical components are arranged inside explosion-proof box 5, such as contactors, circuit breakers, relays, etc. Among them, there are circuit breakers of 160A and 160A leakage switches (leakage parameter: 30mA×0.1s). These components achieve the control function of the construction hoist through reasonable layout and wiring.

[0034] At the bottom of explosion-proof box 5, there is a through hole 10 aligned with the top end of the wire harness pipe 7 at the bottom of cabinet 1 to facilitate the penetration and passing out of cables. In addition, an inner protection door 6 is rotatably installed on the inner wall of explosion-proof box 5. Through holes 8 are provided on inner protection door 6, and the sizes and positions of these through holes 8 match the control switches of the electrical components that need to be operated inside explosion-proof box 5, facilitating operators to perform maintenance and repair when necessary. A rotary handle 9 is also provided on the surface of inner protection door 6 to facilitate operators to easily open and close inner protection door 6.

[0035] To improve the safety of equipment during use, an emergency stop button 11 is set on door 2. When the construction hoist encounters an emergency or a fault during operation, the operator can quickly press emergency stop button 11 to immediately stop the operation of the construction hoist, thereby avoiding accidents.

[0036] Embodiment Two

[0037] Based on the improvement of Embodiment One:

[0038] Please refer to Figures 1-2 , to facilitate the installation and fixation of the switch box of the construction hoist, mounting plates 4 are welded at the four corners outside cabinet 1. Reserved mounting holes for bolts are provided on these mounting plates 4. Construction workers can use bolts to firmly connect mounting plates 4 to the installation position of the construction hoist, thereby ensuring the stability and reliability of the switch box.

[0039] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model; without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A switch box for a construction hoist, characterized in that, Including: A box body (1), at the opening of the box body (1), a matching box door (2) is rotatably installed. The box body (1) and the box door (2) are fixed by two buckles (3). Two wire harness tubes (7) for cables to pass through are arranged through the bottom of the box body (1). An explosion-proof component, which is arranged inside the box body (1) and is used to improve the safety of equipment use.

2. The switch box of a construction hoist according to claim 1, characterized in that The explosion-proof component includes an explosion-proof box (5) fixedly arranged inside the box body (1). Various electrical components are arranged inside the explosion-proof box (5). A through hole (10) aligned with the top end of the wire harness tube (7) is arranged at the bottom of the explosion-proof box (5). An inner protection door (6) is rotatably installed on the inner wall of the explosion-proof box (5). A through hole (8) for the control switch of the corresponding component to pass through is arranged on the inner protection door (6). A rotating handle (9) convenient for opening and closing is arranged on the surface of the inner protection door (6).

3. The switch box of a construction hoist according to claim 1, characterized in that, The box body (1) is made of fiberglass-reinforced plastic material with excellent corrosion resistance.

4. The switch box of a construction hoist according to claim 2, characterized in that The explosion-proof box (5) is made of aluminum alloy material adapted to lightweight design. A corrosion-resistant oxide film is formed on the aluminum alloy surface of the explosion-proof box (5) through anodizing treatment.

5. A switch box for a construction hoist according to claim 1, characterized in that, An emergency stop button (11) is arranged on the box door (2).

6. A switch box for a construction hoist according to claim 1, characterized in that, Mounting plates (4) are welded at the four corners outside the box body (1). Reserved mounting holes for bolts are arranged on the mounting plates (4).

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