Power distribution box for pre-cooling line spontaneous combustion prevention type coal conveying system

Abstract

The utility model relates to the technical field of distribution boxes, in particular to a pre-cooling line spontaneous combustion prevention type power distribution box for a coal conveying system, which comprises a distribution box main body, air bellows, fan blades, a support plate, a cooling water pipe, a pressure plate and a box back plate, the air bellows are arranged on two sides of the distribution box main body, the fan blades are arranged inside the air bellows, and the support plate is arranged on the air bellows. The supporting plate is arranged in the distribution box main body; the air boxes are installed through the distribution box body, the air boxes are distributed on the two sides of the distribution box body, meanwhile, the fan blades are installed in the air boxes, efficient air exchange or air blowing towards the interior of the distribution box body can be achieved through the fan blades, pre-cooling of the distribution box body is facilitated, and then the cooling water pipe is installed under the action of the supporting plate; air in the distribution box body can be locally cooled through the cooling water pipe, the fan blades and the cooling water pipe are matched, cold air in the distribution box body can circulate, cooling of the distribution box body is facilitated, and pre-cooling can be effectively achieved to prevent spontaneous combustion of a line.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, and particularly relates to a power distribution box for a coal conveying system with pre-cooling and prevention of line spontaneous combustion. Background Art

[0002] Distribution boxes include power distribution boxes and lighting distribution boxes according to types, and are the end devices of the power distribution system. The main function of the distribution box is to assemble switch devices, measuring instruments, protection appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirements to form a low-voltage power distribution device.

[0003] Chinese Patent Publication No. CN218070745U discloses a fire-proof intelligent power distribution box device, which relates to the technical field of power distribution box devices and aims to improve the problem that a large amount of heat in the power distribution box is not easily discharged in time and is likely to cause a fire. The fire-proof intelligent power distribution box device includes a box body and a box cover rotatably arranged on the box body; a cooling fan for blowing the circuit is arranged on the side wall of the box cover facing the box body, a plurality of ventilation holes are respectively arranged through the box cover and the box body, and a moving component for driving the cooling fan to move is arranged on the side wall of the box cover close to the cooling fan. This application has the effects of reducing the internal temperature of the power distribution box and preventing fire.

[0004] However, when the fire-proof intelligent power distribution box device is in operation, heat dissipation is carried out by the gasification and discharge of liquid cooling gas. However, if there are design defects inside the power distribution box, resulting in accidental contact between the circuit connection and water vapor or liquid substances, it is extremely easy to cause a short circuit, thus significantly increasing the safety hazards of the device and being not conducive to practical applications. Content of the Utility Model

[0005] In view of the above problems, a power distribution box for a coal conveying system with pre-cooling and prevention of line spontaneous combustion is provided. The air box is installed by the main body of the power distribution box, and the air boxes are distributed on both sides of the main body of the power distribution box. At the same time, fan blades are installed inside the air box. Through the fan blades, efficient ventilation or blowing air into the power distribution box main body can be realized, which is convenient for pre-cooling the power distribution box main body. Then, under the action of the support plate, the cooling water pipe is installed. Through the cooling water pipe, the air inside the power distribution box main body can be locally cooled. By matching the fan blades and the cooling water pipe, the cold air inside the power distribution box main body can circulate, which is convenient for cooling the power distribution box main body and can effectively pre-cool and prevent line spontaneous combustion.

[0006] To solve the problems of the prior art, the utility model provides a power distribution box for a coal conveying system with pre-cooling and prevention of line spontaneous combustion, which includes a power distribution box main body, an air box, fan blades, a support plate, a cooling water pipe, a pressure plate and a box back plate. The air box is arranged on both sides of the power distribution box main body, the fan blades are arranged inside the air box, the support plate is arranged inside the power distribution box main body, the cooling water pipe is arranged on one side of the support plate, the pressure plate is arranged on one side of the cooling water pipe, the box back plate is arranged on one side of the power distribution box main body, and the box back plate is connected to the power distribution box main body through positioning bolts.

[0007] Preferably, an installation plate is arranged on one side of the air box, the air box is connected to the installation plate through a first bolt, a cylinder body is arranged inside the installation plate and inside the air box, and a working motor matching the fan blades is arranged inside the cylinder body.

[0008] Preferably, a protective railing plate is arranged inside the air box, and the protective railing plate is connected to the cylinder body through a first screw rod.

[0009] Preferably, fixing seats are symmetrically arranged inside the power distribution box main body, a guiding groove is formed inside the fixing seat, and a clamping plate connected to the support plate is slidably installed inside the guiding groove.

[0010] Preferably, positioning grooves are symmetrically formed on the inner wall of the guiding groove, sliding grooves are symmetrically formed on the outer side of the clamping plate, inserting rods matching the positioning grooves are arranged inside the sliding grooves, and a return spring is arranged at one end of the inserting rod and inside the sliding groove.

[0011] Preferably, a placement groove matching the cooling water pipe is formed on one side of the support plate, the cooling water pipe is in contact with the pressure plate, and the support plate is connected to the pressure plate through auxiliary bolts.

[0012] Preferably, box doors are symmetrically arranged on one side of the power distribution box main body, the power distribution box main body is connected to the box doors through hinges, and a transparent plate is arranged inside the box doors.

[0013] The beneficial effects of the utility model compared with the prior art are:

[0014] Install the air box through the main body of the distribution box. The air boxes are distributed on both sides of the main body of the distribution box. At the same time, fan blades are installed inside the air boxes. Through the fan blades, efficient ventilation or blowing air into the interior of the distribution box can be achieved, which is convenient for pre-cooling the main body of the distribution box. Then, install the cooling water pipe under the action of the support plate. Through the cooling water pipe, local cooling of the air inside the main body of the distribution box can be carried out. Then, position it under the action of the pressure plate, which is convenient for users to disassemble and assemble the cooling water pipe. The cooperation of the fan blades and the cooling water pipe can make the cold air inside the main body of the distribution box circulate, which is convenient for cooling the main body of the distribution box and can effectively pre-cool to prevent the line from spontaneous combustion. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of a power distribution box for a pre-cooling and line spontaneous combustion prevention type coal conveying system;

[0016] Figure 2 It is a schematic diagram of the back structure of a power distribution box for a pre-cooling and line spontaneous combustion prevention type coal conveying system;

[0017] Figure 3 It is a schematic diagram of the internal sectional structure of the main body of a power distribution box for a pre-cooling and line spontaneous combustion prevention type coal conveying system;

[0018] Figure 4 It is a schematic diagram of the explosion structure of the air box of a power distribution box for a pre-cooling and line spontaneous combustion prevention type coal conveying system;

[0019] Figure 5 It is a schematic diagram of the partial explosion structure of the support plate of a power distribution box for a pre-cooling and line spontaneous combustion prevention type coal conveying system;

[0020] Figure 6 It is for a power distribution box of a pre-cooling and line spontaneous combustion prevention type coal conveying system Figure 5 The enlarged structure schematic diagram at position A in

[0021] The reference numerals in the figure are: 1, main body of the distribution box; 2, air box; 3, fan blade; 4, support plate; 5, cooling water pipe; 6, pressure plate; 7, box back plate; 8, mounting plate; 9, cylinder; 10, protective railing plate; 11, guide groove; 12, clamping plate; 13, insertion rod; 14, box door; 15, transparent plate; 16, fixing seat. Detailed Implementation Modes

[0022] To further understand the features, technical means, and the specific purposes and functions achieved by the present invention, the following further describes the present invention in detail in conjunction with the drawings and specific implementation modes.

[0023] Please refer to Figures 1 to 6, A power distribution box for a coal conveying system with pre-cooling to prevent line spontaneous combustion, comprising a power distribution box main body 1, an air box 2, fan blades 3, a support plate 4, a cooling water pipe 5, a pressure plate 6, and a box back plate 7. The air box 2 is arranged on both sides of the power distribution box main body 1. The fan blades 3 are arranged inside the air box 2. The support plate 4 is arranged inside the power distribution box main body 1. The cooling water pipe 5 is arranged on one side of the support plate 4. The pressure plate 6 is arranged on one side of the cooling water pipe 5. The box back plate 7 is arranged on one side of the power distribution box main body 1. The box back plate 7 is connected to the power distribution box main body 1 through positioning bolts.

[0024] The air box 2 is installed through the power distribution box main body 1. The air boxes 2 are distributed on both sides of the power distribution box main body 1. At the same time, fan blades 3 are installed inside the air box 2. Through the fan blades 3, efficient ventilation or blowing into the interior of the power distribution box main body 1 can be achieved, facilitating pre-cooling of the power distribution box main body 1. Then, under the action of the support plate 4, the cooling water pipe 5 is installed. Through the cooling water pipe 5, local cooling of the air inside the power distribution box main body 1 can be carried out. Then, positioning is carried out under the action of the pressure plate 6, which is convenient for users to disassemble and assemble the cooling water pipe 5. The cooperation of the fan blades 3 and the cooling water pipe 5 can enable the circulation of cold air inside the power distribution box main body 1, facilitating the cooling of the power distribution box main body 1, and can effectively pre-cool to prevent line spontaneous combustion.

[0025] As Figure 1 and Figure 4 shown, an installation plate 8 is arranged on one side of the air box 2. The air box 2 is connected to the installation plate 8 through a first bolt. A cylinder body 9 is arranged on one side of the installation plate 8 and inside the air box 2. A working motor matching the fan blades 3 is arranged inside the cylinder body 9.

[0026] The installation plate 8 is installed through the air box 2. When the installation plate 8 moves, it drives the cylinder body 9 on one side to move. The cylinder body 9 enters the interior of the air box 2. At the same time, under the action of the installation plate 8, the working motor is installed. The working motor matches the fan blades 3 to provide kinetic energy, facilitating the cooling of the interior of the power distribution box main body 1.

[0027] As Figure 1 and Figure 4 shown, a protective railing plate 10 is arranged inside the air box 2. The protective railing plate 10 is connected to the cylinder body 9 through a first screw.

[0028] The protective railing plate 10 is installed under the action of the air box 2. The first screw inside the protective railing plate 10 is threadedly connected to the cylinder body 9, which is convenient for disassembling and assembling the protective railing plate 10. The protective railing plate 10 itself has a certain protective performance, facilitating timely replacement and repair after the fan blades 3 are damaged.

[0029] As Figure 5 and Figure 6As shown, fixing seats 16 are symmetrically arranged inside the distribution box main body 1. Guide grooves 11 are formed inside the fixing seats 16. Inside the guide grooves 11, clamping plates 12 connected to the support plate 4 are slidably installed. Positioning grooves are symmetrically formed on the inner walls of the guide grooves 11. Sliding grooves are symmetrically formed on the outer sides of the clamping plates 12. Inside the sliding grooves, inserting rods 13 matching the positioning grooves are arranged. One end of the inserting rod 13 and inside the sliding groove is provided with a return spring.

[0030] Position the fixing seats 16 through the distribution box main body 1, and slidably install the clamping plates 12 through the guide grooves 11 inside the fixing seats 16, which facilitates the user to adjust the horizontal positions of the clamping plates 12 and the support plate 4. When the clamping plates 12 move, the inserting rods 13 inside them expand and contract under the action of the return springs. When the clamping plates 12 move to the designated positions, the inserting rods 13 are engaged with the positioning grooves on the inner walls of the guide grooves 11, which facilitates the user to position the support plate 4.

[0031] As Figure 3 and Figure 5 shown, a placement groove matching the cooling water pipe 5 is formed on one side of the support plate 4. The cooling water pipe 5 is in contact with the pressure plate 6. The support plate 4 and the pressure plate 6 are connected by auxiliary bolts.

[0032] Install the cooling water pipe 5 through the placement groove on one side of the support plate 4 and position it under the action of the pressure plate 6. Finally, rotate the auxiliary bolts to thread-connect the support plate 4 and the pressure plate 6 through the auxiliary bolts, which facilitates the staff to disassemble and assemble the pressure plate 6 and the cooling water pipe 5.

[0033] As Figure 1 and Figure 3 shown, box doors 14 are symmetrically arranged on one side of the distribution box main body 1. The distribution box main body 1 and the box doors 14 are connected by hinges. A transparent plate 15 is arranged inside the box doors 14.

[0034] Connect the distribution box main body 1 and the box doors 14 under the action of the hinges, which facilitates the disassembly and assembly of the components inside the distribution box main body 1, and cooperate with the transparent plate 15 inside the box doors 14, which facilitates observing the working conditions of the components inside the distribution box main body 1 in real time to avoid accidents.

[0035] The above embodiments only represent one or several implementation manners of the present utility model, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the appended claims.

Claims

1. A power distribution box for a pre-cooling and self-ignition-proof coal transportation system, characterized in that: The invention comprises a distribution box body (1), a wind box (2), a fan blade (3), a support plate (4), a cooling water pipe (5), a pressure plate (6) and a box back plate (7), wherein the wind box (2) is arranged on both sides of the distribution box body (1), the fan blade (3) is arranged inside the wind box (2), the support plate (4) is arranged inside the distribution box body (1), the cooling water pipe (5) is arranged on one side of the support plate (4), the pressure plate (6) is arranged on one side of the cooling water pipe (5), the box back plate (7) is arranged on one side of the distribution box body (1), and the box back plate (7) is connected to the distribution box body (1) by positioning bolts.

2. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 1, characterized in that: A mounting plate (8) is provided on one side of the bellows (2), and the bellows (2) and the mounting plate (8) are connected via a first bolt. A cylinder (9) is provided on one side of the mounting plate (8) and located inside the bellows (2), and a working motor matching the fan blades (3) is provided inside the cylinder (9).

3. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 1, characterized in that: A guardrail plate (10) is provided inside the wind box (2), and the guardrail plate (10) is connected to the cylinder (9) via a first screw.

4. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 1, characterized in that: A fixing seat (16) is symmetrically arranged inside the distribution box body (1), a guide groove (11) is provided inside the fixing seat (16), and a clamping plate (12) connected to the support plate (4) is slidably installed inside the guide groove (11).

5. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 4, characterized in that: The inner wall of the guide groove (11) is symmetrically provided with positioning grooves, the outer side of the clamping plate (12) is symmetrically provided with sliding grooves, an insertion rod (13) matching the positioning groove is arranged inside the sliding groove, and a return spring is arranged at one end of the insertion rod (13) and inside the sliding groove.

6. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 1, characterized in that: A placement groove matching the cooling water pipe (5) is provided on one side of the support plate (4); the cooling water pipe (5) is in contact with the pressure plate (6); and the support plate (4) and the pressure plate (6) are connected via auxiliary bolts.

7. A power distribution box for a pre-cooling and line spontaneous combustion prevention type coal transportation system according to claim 1, characterized in that: A box door (14) is symmetrically arranged on one side of the distribution box body (1); the distribution box body (1) and the box door (14) are connected via a hinge; and a transparent plate (15) is arranged inside the box door (14).

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