Automatic induction lifting dustproof device for coal mine driving working face

By installing an automatic sensing and lifting dust suppression device at the underground tunneling face of a coal mine, the sensor detects the vehicle's position and automatically controls the raising and lowering of the dust suppression net, solving the problem of cumbersome manual operation and improving the convenience of vehicle passage.

CN223806177UActive Publication Date: 2026-01-16CHINA COAL TECH GRP INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202520457644.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-16
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The existing dust control nets at underground coal mine tunneling faces require manual operation, which makes the process cumbersome and inconvenient when vehicles pass through.

Method used

An automatic sensing and lifting dustproof device is adopted. The sensor detects the vehicle's position and controls the drive motor to automatically raise and lower the dustproof net through the sensing control component, so as to realize the automatic opening and closing of the dustproof net.

Benefits of technology

This improves the ease with which vehicles can pass through the tunneling face and reduces the frequency of vehicle loading and unloading and manual operation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223806177U_ABST
    Figure CN223806177U_ABST
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Abstract

The utility model belongs to the technical field of coal mine intellectualization, particularly relates to an automatic induction lifting dustproof device for a coal mine driving working face, and aims to solve the problems that when a vehicle is driven to pass through, the vehicle needs to repeatedly get on and off and a dustproof net needs to be opened and closed, and operation is tedious. The dustproof device comprises two stand columns, a driving motor, a reel, a dustproof net and an induction control assembly. The induction control assembly comprises a control box fixedly connected to the upper side of the stand column and a detection area, and a receiver and a controller are arranged in the control box; the number of the detection areas is two, and the two detection areas are arranged on the two sides of the dustproof net and are arranged on the front side and the rear side with the vehicle entering and exiting direction as the reference. The detection area comprises two arrangement rods, and inductors are mounted on the arrangement rods; the inductor is connected with the receiver, the receiver is connected with the controller, and the controller controls starting and positive and negative rotation of the driving motor. The dustproof net can be automatically lifted, so that vehicles can directly pass and leave.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine intelligence, specifically relates to a kind of coal mine driving working face automatic induction lifting dustproof device. BACKGROUND

[0002] When driving, a large amount of dust is generated in the underground driving working face, which diffuses outward along the roadway, seriously affecting the line of sight and causing serious harm to underground personnel. In order to prevent dust diffusion, a dust screen is provided in the underground driving working face. When a staff member or vehicle needs to enter the working face, the dust screen needs to be manually opened, closed after passing through and then manually closed to leave. At present, the dust screen of the underground driving working face in the coal mine is all manually operated. When a vehicle passes through, the driver needs to repeatedly get on and off the vehicle and open and close the dust screen, which is complicated to operate. UTILITARIAN CONTENT

[0003] In order to solve the above problems in the prior art, i.e. the driver needs to repeatedly get on and off the vehicle and open and close the dust screen when the vehicle passes through, which is complicated to operate, the utility model provides a coal mine driving working face automatic induction lifting dustproof device.

[0004] The coal mine driving working face automatic induction lifting dustproof device disclosed in the present application adopts the following technical scheme:

[0005] A coal mine driving working face automatic induction lifting dustproof device comprises two upright columns, a driving motor arranged on the upright columns, a reel connected with the driving motor, a dust screen wound on the reel and lifted up and down by rotating the reel, and an induction control assembly for controlling the start of the driving motor.

[0006] The induction control assembly comprises a control box fixedly connected to the upper side of the upright column and a detection area.

[0007] The detection area is provided with two detection areas arranged on both sides of the dust screen, and the arrangement positions are on the front and rear sides based on the vehicle entry and exit direction. The detection area comprises four arrangement rods arranged in a rectangular shape, and two groups of inductors are arranged on the four arrangement rods. The inductors are connected with the receiver, and the receiver is connected with the controller. The controller controls the start and reverse rotation of the driving motor.

[0008] By adopting the technical scheme, in the process that the vehicle enters the tunneling working area via the passage: when the vehicle approaches the dust screen, the inductor arranged on the front side of the dust screen is blocked, the inductor arranged on the rear side of the dust screen normally works, the inductor arranged on the front side receives a blocking signal, it is determined that the vehicle needs to pass through the dust screen, the inductor transmits a signal to the receiver, the receiver receives the signal and then transmits the signal to the controller, the controller is started, the driving motor is controlled to start, the driving motor drives the dust screen to rise after being started, the passage is opened, the vehicle passes through the dust screen and enters the tunneling working area via the passage; when the vehicle passes through the dust screen and the vehicle drives to the rear side of the arranged rod and blocks the inductor arranged on the rear side, the inductor arranged on the front side normally works, the driving motor controls the dust screen to descend and the passage is closed.

[0009] In the process that the vehicle leaves the tunneling working area via the passage: the vehicle first passes through the inductor of the rear side arranged rod, the dust screen is controlled to rise, the vehicle passes through the dust screen and enters the inductor of the front side arranged rod, the dust screen is controlled to descend and the passage is closed. Wherein, four arranged rods are arranged in each detection area, and two groups of inductors are arranged, and the vehicle needs to pass through when the two inductors are blocked at the same time, the dust screen rises, and the dust screen does not trigger the rising only when one inductor is blocked.

[0010] Preferably, the stand column is provided with a containing groove which is arranged along the length direction of the stand column, and the dust screen is embedded into the containing groove.

[0011] By adopting the technical scheme, the stand column limits the front and back directions of the dust screen, and prevents the dust screen from shaking.

[0012] Preferably, the dust screen is divided into two sections, including an upper section and a lower section, the upper section is connected with the reel, and the lower section is connected with the upper section.

[0013] A plurality of rods are fixedly connected to the two sides of the upper section, and gaps exist between adjacent two sections of the plurality of rods, and a vertical rod is fixedly connected to the two sides of the lower section; the plurality of rods and the vertical rod are arranged in the containing groove.

[0014] By adopting the technical scheme, the plurality of rods and the stand column limit the front and back movements of the dust screen, so that the dust screen can only be lifted and lowered when being arranged.

[0015] Preferably, the screen cloth of the dust screen is made of glass fiber or metal screen cloth material.

[0016] Preferably, the dust screen is provided with a convenient door for workers to pass through.

[0017] Preferably, the inductor is an infrared inductor.

[0018] Preferably, the upper side of the stand column is provided with a protective cover.

[0019] Preferably, the inductor and the receiver are connected wirelessly through WiFi;

[0020] Preferably, the dust screen lower end and the column lower end are provided with buckled moving wheels.

[0021] The automatic lifting dust screen has the advantages that when a vehicle passes through during production, the vehicle can pass through without frequent getting on and off the vehicle and opening and closing the dust screen, and the convenience of the vehicle passing through is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, when read in conjunction with the accompanying drawings:

[0023] Figure 1 FIG. 1 is a schematic view of an automatic induction lifting dustproof device for a coal mine tunneling working face in the embodiment;

[0024] Figure 2 FIG. 3 is an exploded schematic view of the reel and the dust screen connection in the embodiment;

[0025] Figure 3 FIG. 4 is an exploded schematic view of the dust screen and the column connection in the embodiment.

[0026] The reference signs are as follows: 1, column; 11, containing groove; 2, driving motor; 3, reel; 4, dust screen; 41, upper section; 42, lower section; 43, multi-section rod; 44, vertical rod; 45, convenient door; 5, induction control assembly; 51, control box; 52, detection area; 6, protective cover. DETAILED DESCRIPTION

[0027] The application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not a limitation on the utility model. In addition, it should be noted that only parts related to the utility model are shown in the drawings for convenience of description.

[0028] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and embodiments.

[0029] The utility model provides a kind of automatic induction lifting dustproof device for coal mine tunneling working face, refer to Figure 1 、 Figure 2 Automatic induction lifting dustproof device for coal mine tunneling working face includes column 1, driving motor 2 being installed on the upper side of column 1, reel 3 being connected with driving motor 2, dust screen 4 being connected with reel 3 and induction control assembly 5. Automatic induction lifting dustproof device for coal mine tunneling working face is arranged at the passageway of tunneling working area.

[0030] The post 1 is provided with two, two post 1 is arranged on the ground. The driving motor 2 is fixedly connected to the upper side of the post 1, and the driving motor 2 is connected to the reel 3, and drives the reel 3 to rotate. The upper end of the dust screen 4 is fixedly connected with the reel 3, and the lower end is suspended. The rotating shaft of the driving motor 2 drives the reel 3 to rotate, and the reel 3 drives the dust screen 4 to wind or release on the reel 3 when the reel 3 rotates. A protective cover 6 is arranged on the upper side of the post 1, and the protective cover 6 covers the reel 3. Among them, the driving motor 2 is selected as a tubular motor.

[0031] Referring to Figure 2 , Figure 3 , the dust screen 4 is divided into two sections, including the upper section 41 and the lower section 42, the upper section 41 is connected with the reel 3, and the lower section 42 is connected with the upper section 41.

[0032] A plurality of rods 43 are fixedly connected on both sides of the upper section 41, there can be gaps between adjacent two sections of the plurality of rods 43, which can be wound on the reel 3 and can keep the upper section 41 flat.

[0033] Vertical rods 44 are fixedly connected on both sides of the lower section 42, and a receiving groove 11 is formed along the length direction of the post 1, the plurality of rods 43 and the vertical rods 44 are arranged in the receiving groove 11, the front and back movement of the dust screen 4 is limited by the post 1, so that the dust screen 4 can only be arranged to lift. The moving wheels with buckles at the lower end of the dust screen 4 and the lower end of the post 1 adjust the arrangement position of the dust screen 4 with the change of the working area.

[0034] A convenient door 45 for workers to pass through is arranged on the lower section 42. The screen cloth of the dust screen 4 is made of glass fiber or metal screen cloth material.

[0035] The induction control assembly 5 includes a control box 51 fixedly connected to the upper side of the post 1 and a detection area 52, and the control box 51 is arranged with a receiver and a controller. The detection area 52 is provided with two, two detection areas 52 are arranged on both sides of the dust screen 4, and the arrangement positions are on the front and back sides based on the vehicle entering and exiting direction. The detection area 52 includes four arrangement rods, the four arrangement rods are arranged in a rectangular shape, and two groups of inductors are arranged on the four arrangement rods.

[0036] The inductor is connected with the receiver through WiFi. The receiver is connected with the controller, and the controller controls the start and reverse rotation of the driving motor 2. The inductor is selected as an infrared inductor.

[0037] The use method of the automatic induction lifting dustproof device for coal mine tunneling working face disclosed in the embodiment is:

[0038] In the process that the vehicle enters the driving working area via the passage: when the vehicle approaches the dust screen 4, the two groups of sensors arranged on the front side of the dust screen 4 are blocked, the sensors arranged on the rear side of the dust screen 4 work normally, the sensors arranged on the front side of the dust screen 4 receive the blocking signal, it is determined that the vehicle needs to pass through the dust screen 4, the sensors transmit the signal to the receiver, after the receiver receives the signal, the signal is transmitted to the controller, the controller is started, the driving motor 2 is controlled to start, after the driving motor 2 is started, the dust screen 4 is driven to rise, the passage is opened, the vehicle passes through the dust screen 4 and enters the driving working area via the passage; when the vehicle passes through the dust screen 4, and the vehicle drives to the rear side of the arrangement rod and blocks the sensor arranged on the rear side of the arrangement rod, the sensor arranged on the front side of the arrangement rod works normally, the driving motor 2 controls the dust screen 4 to descend, and the passage is closed.

[0039] In the process that the vehicle leaves the driving working area via the passage: the vehicle first passes through the sensor of the rear side of the arrangement rod, the dust screen 4 is controlled to rise, the vehicle passes through the dust screen 4, enters the sensor of the front side of the arrangement rod, the dust screen 4 is controlled to descend, and the passage is closed.

[0040] Wherein, by setting four arrangement rods in each detection area, and setting two groups of sensors, when two sensors are blocked at the same time, it is considered that the vehicle needs to pass through, the dust screen is raised, and only one sensor is blocked, the dust screen is not triggered to rise.

[0041] The term "comprising" or any other similar term is intended to encompass the inclusion of non-exclusive inclusion, so that the process, method, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in the process, method, article or equipment / device.

[0042] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without deviating from the principles of the utility model, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical scheme after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A coal mine tunneling working face automatic induction lifting dustproof device, characterized in that: It comprises two stands (1), a driving motor (2) arranged on the stand (1), a reel (3) connected with the driving motor (2), a dustproof net (4) wound on the reel (3) and realizing up and down lifting through rotation of the reel (3), and an induction control assembly (5) for controlling starting of the driving motor (2); The induction control assembly (5) comprises a control box (51) fixedly connected to the upper side of the stand (1) and a detection area (52), and the control box (51) is arranged with a receiver and a controller; The detection area (52) is provided with two, and the two detection areas (52) are arranged on both sides of the dustproof net (4) and are arranged on the front and rear sides based on the vehicle entering and exiting direction; the detection area (52) comprises four arrangement rods arranged in a rectangle, and two groups of inductors are arranged on the four arrangement rods; the inductor is connected with the receiver, the receiver is connected with the controller, and the controller controls starting and forward and reverse rotation of the driving motor (2).

2. The automatic induction lifting dust prevention device for the coal mine tunneling face according to claim 1, characterized in that: The stand (1) is provided with a containing groove (11) opened along the length direction of the stand (1), and the both sides of the dustproof net (4) are embedded into the containing groove (11).

3. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 2, characterized in that: The dustproof net (4) is divided into two sections, comprising an upper section (41) and a lower section (42), the upper section (41) is connected with the reel (3), and the lower section (42) is connected with the upper section (41); A plurality of joint rods (43) are fixedly connected to the both sides of the upper section (41), and gaps exist between adjacent two sections of the plurality of joint rods (43), and vertical rods (44) are fixedly connected to the both sides of the lower section (42); the plurality of joint rods (43) and the vertical rods (44) are arranged in the containing groove (11).

4. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The screen cloth of the dustproof net (4) is made of glass fiber or metal screen window material.

5. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The dustproof net (4) is provided with a convenient door (45) for workers to pass through.

6. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The inductor is selected as an infrared inductor.

7. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The upper side of the stand (1) is covered with a protective cover (6).

8. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The inductor and the receiver are connected through WiFi.

9. The automatic induction lifting dust prevention device for coal mine tunneling face according to claim 1, characterized in that: The dustproof net lower end and the stand lower end are provided with buckling movable wheels.