Folding type machine-following mobile full-section spraying dust-proof net

By designing a foldable, mobile, full-section spray dust suppression net, and utilizing a hydraulically driven multi-layer dust suppression net frame and nozzle system, the problem of excessively high coal dust or rock dust concentration during coal mine roadway excavation was solved. This achieved simultaneous full-section spray dust reduction and dust suppression, ensuring the health and safety of workers.

CN223814047UActive Publication Date: 2026-01-20中煤陕西能源化工集团有限公司 +1
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Patent Information

Application Number
CN202520339457.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-20
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

During the excavation of underground roadways in coal mines, excessively high concentrations of coal dust or rock dust can affect production safety and the health of workers.

Method used

A foldable, mobile, full-section spray dust suppression net was designed. It adopts a multi-layer dust suppression net frame and nozzle system driven by a hydraulic device to realize full-section spraying and the telescopic and folding function of the dust suppression net. Combined with a wind duct and belt conveyor, it realizes full-section mobile spray dust suppression.

Benefits of technology

It effectively suppresses coal dust or rock dust, reduces harm to workers, achieves simultaneous full-section spraying and dust control, ensures safe and efficient tunneling construction in coal mines, reduces physical labor, and adapts to different working environments.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a folding machine-following mobile full-section spray dust screen which comprises a first fixing frame, a first dust screen frame is hinged to one side of the first fixing frame, a hydraulic device is arranged at the hinged position, and the first fixing frame is communicated with the first dust screen frame. The bottom of the first dustproof net frame is provided with a second dustproof net frame which is the same as the first dustproof net frame in length and extending direction, an air duct is arranged in the first fixing frame, the frame top and the frame bottom of the first fixing frame are respectively provided with a plurality of first nozzles, and the top of the first dustproof net frame is provided with a plurality of second nozzles; according to the utility model, coal dust or rock dust can be effectively prevented from flying, the harm to workers caused by long-term contact with the coal dust or rock dust is reduced, the telescopic folding function of the dustproof net can be realized, and the full-section movable spraying and dust prevention can be simultaneously started.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine spraying equipment technical field relates to a folding type follow machine removes full section spraying dustproof net. BACKGROUND

[0002] In recent years, the mechanized mining degree of coal mine is increasing, while the production of mine is greatly improved, the dust amount produced in the mining operation process of coal mine also sharply rises, especially in the process of coal seam tunneling, fully mechanized mining, coal cutting, moving frame and transportation, the dust concentration of coal mine production is more serious, which not only reduces the visibility of the work site, but also greatly affects the production safety to a certain extent, and the fully mechanized mining face of coal mine is a place where operating personnel and electrical equipment are highly concentrated, and it is also a main dust production site in the process of roadway tunneling, coal dust or rock dust flying in the production process seriously affects the safety production of coal mine, and coal dust or rock dust as a harmful air pollutant can also cause many diseases, in order to ensure the safe and efficient tunneling construction of coal mine and protect the health of operating personnel, a spraying equipment is needed to reduce the concentration of coal dust or rock dust. SUMMARY

[0003] The utility model discloses a folding type follow machine removes full section spraying dustproof net, and solves the problem of too high concentration of coal dust or rock dust in the process of roadway tunneling in the prior art.

[0004] The utility model discloses a technical scheme that folding type follow machine removes full section spraying dustproof, including first fixed frame, first fixed frame one side is hinged with first dustproof net frame and is provided with hydraulic device at the hinged portion, first fixed frame is linked with first dustproof net frame, and the bottom of first dustproof net frame is provided with second dustproof net frame, which is same in length and consistent in extension direction, the wind pipe is arranged in first fixed frame, and a plurality of first spray heads are arranged on the top and bottom of first fixed frame respectively, and a plurality of second spray heads are arranged on the top of first dustproof net frame.

[0005] The folding type follow machine removes full section spraying dustproof net of the utility model has the characteristics that:

[0006] The first dustproof net frame includes a plurality of second fixed frames hinged in sequence, the first dustproof net is arranged in the second fixed frame, one of the second fixed frames is hinged with the first fixed frame, at least two hydraulic devices are arranged at the hinged portions of the first fixed frame and the second fixed frame and the hinged portions of the adjacent two second fixed frames, and a plurality of second spray heads are arranged on the top of each second fixed frame.

[0007] The second dustproof net frame includes a plurality of third fixed frames hinged in sequence, the second dustproof net is arranged in the third fixed frame, and the third fixed frame is same in length with the second fixed frame.

[0008] The hydraulic device comprises a hydraulic cylinder fixed at the hinge, and the hydraulic cylinder is sequentially connected with a control valve, a hydraulic pump and an oil tank through pipelines.

[0009] The first fixed frame is provided with a water inlet.

[0010] The first fixed frame is provided with a water inlet.

[0011] The second dustproof net frame is provided with a fixed seat on one side close to the first fixed frame.

[0012] The second dustproof net frame is provided with a fixed seat on one side close to the first fixed frame.

[0013] The second dustproof net frame is provided with a fixed seat on one side close to the first fixed frame.

[0014] The second dustproof net frame is provided with a fixed seat on one side close to the first fixed frame.

[0015] The second dustproof net frame is provided with a fixed seat on one side close to the first fixed frame.

[0016] The folding type following machine mobile full-section spraying dustproof net can effectively inhibit coal dust or rock dust flying, reduce the harm of long-term contact with coal dust or rock dust to workers, realize the telescopic folding function of the dustproof net, reduce the physical labor of workers, realize the simultaneous use of full-section mobile spraying and dust prevention, increase the dust prevention effect, ensure the safe and efficient tunneling construction of the coal mine, and protect the health of workers; the belt can be fixed on the belt conveyor, so that the folding type following machine mobile full-section spraying dustproof net moves with the movement of the self-moving machine tail, realizes full-section mobile spraying and dust reduction on the belt side and the pedestrian side of the tunneling working face, the dustproof net is retracted when the vehicle passes through the pedestrian side, the dustproof net on the pedestrian side stops spraying, the spraying of the top of the belt and the top of the air duct can still be normally used, semi-section spraying and dust removal are realized, after the vehicle passes through, the dustproof net is opened, and full-section spraying and dust removal can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the structure diagram of the folding type following machine mobile full-section spraying dustproof net of the utility model;

[0018] Figure 2 is the structure diagram of the hydraulic device in the folding type following machine mobile full-section spraying dustproof net of the utility model.

[0019] In the diagram, 1. First nozzle, 2. First dustproof net frame, 21. First dustproof net, 22. Second fixed frame, 3. Hydraulic device, 31. Hydraulic pump, 32. Hydraulic cylinder, 33. Control valve, 34. Oil tank, 35. Pipe, 4. First support rod, 5. First fixed frame, 6. Fixed seat, 7. Belt, 8. Idler roller, 9. Shut-off valve, 10. Air duct, 11. Water inlet, 12. Clamp, 13. Wire rope, 14. Anchor bolt, 15. Second dustproof net frame, 151. Third fixed frame, 152. Second dustproof net, 16. Second nozzle, 17. Second support rod. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0021] Foldable, mobile, full-section spray dust suppression net, see reference. Figure 1 The system includes a first fixed frame 5, a first dustproof net frame 2 hinged to one side of the first fixed frame 5 and a hydraulic device 3 installed at the hinge, the first fixed frame 5 and the first dustproof net frame 2 are connected, a second dustproof net frame 15 of the same length and extending in the same direction is installed at the bottom of the first dustproof net frame 2, a ventilation duct 10 is installed in the first fixed frame 5; the ventilation duct 10 is used for ventilation, the ventilation duct 10 is fixed to the wire rope 13 by several clips 12, the wire rope 13 is fixed to the roof of the excavated roadway by anchor rods 14, several first nozzles 1 are installed at the top and bottom of the first fixed frame 5 respectively, and several second nozzles 16 are installed at the top of the first dustproof net frame 2.

[0022] The first dustproof net frame 2 includes several second fixed frames 22 that are hinged in sequence. A first dustproof net 21 is installed in each of the second fixed frames 22. One of the second fixed frames 22 is hinged to the first fixed frame 5. At least two hydraulic devices 3 are installed at the hinge point between the first fixed frame 5 and the second fixed frame 22, as well as at the hinge points between two adjacent second fixed frames 22. Several second nozzles 16 are installed on the top of each second fixed frame 22. The second dustproof net frame 15 includes several third fixed frames 151 that are hinged in sequence. A second dustproof net 152 is installed in each of the third fixed frames 151. The third fixed frames 151 and the second fixed frames 22 have the same length. The hydraulic device 3 includes a hydraulic cylinder 32, which is fixed at the hinge point. The hydraulic cylinder 32 is connected to a control valve 33, a hydraulic pump 31, and an oil tank 34 in sequence through a pipe 35. The extension and retraction of the hydraulic cylinder 32 can be controlled by the opening and closing of the control valve 33, thereby driving the dustproof net to unfold and retract.

[0023] The first fixed frame 5 has a water inlet 11. A shut-off valve 9 is provided at the bottom of one side of the first fixed frame 5. A fixed seat 6 is provided on the side of the second dustproof net frame 15 near the first fixed frame 5. Two first support rods 4 are fixed at the bottom of the second dustproof net frame 15. A second support rod 17 is fixed at the bottom of the first fixed frame 5. A roller 8 is fixed between the second support rod 17 and one first support rod 4. A belt 7 is provided on the roller 8.

[0024] Water can be replenished to the first fixed frame 5 at any time through the water inlet 11. The shut-off valve 9 can control the water flow. The belt 7 can be fixed on the belt conveyor so that the foldable following machine mobile full-section spray dust suppression net moves with the movement of the self-moving machine tail. Full-section mobile spray dust suppression is achieved on the belt side and pedestrian side of the tunnel face. When a vehicle passes on the pedestrian side of the tunnel, the dust suppression net is retracted and the dust suppression net on the pedestrian side stops spraying. The spray on the top of the belt 7 and the top of the ventilation duct 10 can still be used normally to achieve half-section spray dust suppression. After the vehicle passes, the dust suppression net is opened to achieve full-section spray dust suppression.

[0025] Example 1:

[0026] A foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5. A first dust suppression net frame 2 is hinged to one side of the first fixed frame 5, and a hydraulic device 3 is provided at the hinge. The first fixed frame 5 is connected to the first dust suppression net frame 2. A second dust suppression net frame 15 with the same length and extending in the same direction is provided at the bottom of the first dust suppression net frame 2. A wind duct 10 is provided in the first fixed frame 5. Four first nozzles 1 are provided at the top and bottom of the first fixed frame 5. The first dust suppression net frame 2 includes 10 second fixed frames 22 that are hinged in sequence. A first dust suppression net 21 is provided in the second fixed frame 22. One of the second fixed frames 22 is hinged to the first fixed frame 5. A total of 5 hydraulic devices 3 are provided at the hinge between the first fixed frame 5 and the second fixed frame 22 and at the hinge between two adjacent second fixed frames 22. Six second nozzles 16 are provided at the top of each second fixed frame 22.

[0027] The second dustproof net frame 15 includes 10 third fixed frames 151 that are hinged in sequence. The third fixed frames 151 are provided with second dustproof nets 152. The third fixed frames 151 and the second fixed frames 22 have the same length.

[0028] The hydraulic device 3 includes a hydraulic cylinder 32, which is fixed at the hinge. The hydraulic cylinder 32 is connected in sequence to a control valve 33, a hydraulic pump 31, and an oil tank 34 via a pipe 35.

[0029] The first fixed frame 5 has a water inlet 11.

[0030] A shut-off valve 9 is provided at the bottom of one side of the first fixed frame 5.

[0031] The second dustproof mesh frame 15 has a fixing seat 6 on the side near the first fixing frame 5.

[0032] Example 2:

[0033] A foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5. A first dust suppression net frame 2 is hinged to one side of the first fixed frame 5, and a hydraulic device 3 is provided at the hinge. The first fixed frame 5 is connected to the first dust suppression net frame 2. A second dust suppression net frame 15 with the same length and extending in the same direction is provided at the bottom of the first dust suppression net frame 2. A wind duct 10 is provided in the first fixed frame 5. Five first nozzles 1 are provided at the top and bottom of the first fixed frame 5. The first dust suppression net frame 2 includes six second fixed frames 22 that are hinged in sequence. A first dust suppression net 21 is provided in the second fixed frame 22. One of the second fixed frames 22 is hinged to the first fixed frame 5. A total of four hydraulic devices 3 are provided at the hinge between the first fixed frame 5 and the second fixed frame 22 and at the hinge between two adjacent second fixed frames 22. Four second nozzles 16 are provided at the top of each second fixed frame 22.

[0034] The second dustproof net frame 15 includes six third fixed frames 151 that are hinged together in sequence. The third fixed frames 151 are provided with second dustproof nets 152. The third fixed frames 151 and the second fixed frames 22 have the same length.

[0035] A shut-off valve 9 is provided at the bottom of one side of the first fixed frame 5.

[0036] The second dustproof mesh frame 15 has a fixing seat 6 on the side near the first fixing frame 5.

[0037] The bottom of the second dustproof mesh frame 15 is fixed with two first support rods 4.

[0038] The bottom of the first fixed frame 5 is fixed with a second support rod 17.

[0039] A roller 8 is fixed between the second support rod 17 and the first support rod 4, and a belt 7 is installed on the roller 8.

[0040] Example 3:

[0041] A foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5. A first dust suppression net frame 2 is hinged to one side of the first fixed frame 5, and a hydraulic device 3 is provided at the hinge. The first fixed frame 5 is connected to the first dust suppression net frame 2. A second dust suppression net frame 15 with the same length and extending in the same direction is provided at the bottom of the first dust suppression net frame 2. A wind duct 10 is provided in the first fixed frame 5. Five first nozzles 1 are provided at the top and bottom of the first fixed frame 5. The first dust suppression net frame 2 includes eight second fixed frames 22 that are hinged in sequence. A first dust suppression net 21 is provided in the second fixed frame 22. One of the second fixed frames 22 is hinged to the first fixed frame 5. A total of six hydraulic devices 3 are provided at the hinge between the first fixed frame 5 and the second fixed frame 22 and at the hinge between two adjacent second fixed frames 22. Three second nozzles 16 are provided at the top of each second fixed frame 22.

[0042] The hydraulic device 3 includes a hydraulic cylinder 32, which is fixed at the hinge. The hydraulic cylinder 32 is connected in sequence to a control valve 33, a hydraulic pump 31, and an oil tank 34 via a pipe 35.

[0043] The first fixed frame 5 has a water inlet 11.

[0044] A shut-off valve 9 is provided at the bottom of one side of the first fixed frame 5.

[0045] The second dustproof mesh frame 15 has a fixing seat 6 on the side near the first fixing frame 5.

[0046] The bottom of the second dustproof mesh frame 15 is fixed with two first support rods 4.

[0047] The bottom of the first fixed frame 5 is fixed with a second support rod 17.

[0048] Example 4:

[0049] The foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5, a first dust suppression net frame 2 hinged to one side of the first fixed frame 5 and a hydraulic device 3 installed at the hinge, the first fixed frame 5 and the first dust suppression net frame 2 are connected, a second dust suppression net frame 15 of the same length and extending in the same direction is installed at the bottom of the first dust suppression net frame 2, a wind duct 10 is installed in the first fixed frame 5, four first nozzles 1 are installed at the top and bottom of the first fixed frame 5 respectively, and four second nozzles 16 are installed at the top of the first dust suppression net frame 2.

[0050] The second dustproof net frame 15 includes seven third fixed frames 151 that are hinged in sequence. The third fixed frames 151 are provided with second dustproof nets 152. The third fixed frames 151 and the second fixed frames 22 have the same length.

[0051] The first fixed frame 5 has a water inlet 11.

[0052] The bottom of the second dustproof mesh frame 15 is fixed with two first support rods 4.

[0053] The bottom of the first fixed frame 5 is fixed with a second support rod 17.

[0054] Example 5:

[0055] The foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5, a first dust suppression net frame 2 hinged to one side of the first fixed frame 5 and a hydraulic device 3 installed at the hinge, the first fixed frame 5 and the first dust suppression net frame 2 are connected, a second dust suppression net frame 15 of the same length and extending in the same direction is installed at the bottom of the first dust suppression net frame 2, a wind duct 10 is installed in the first fixed frame 5, five first nozzles 1 are installed at the top and bottom of the first fixed frame 5 respectively, and five second nozzles 16 are installed at the top of the first dust suppression net frame 2.

[0056] A shut-off valve 9 is provided at the bottom of one side of the first fixed frame 5.

[0057] The second dustproof mesh frame 15 has a fixing seat 6 on the side near the first fixing frame 5.

[0058] The bottom of the second dustproof mesh frame 15 is fixed with two first support rods 4.

[0059] The bottom of the first fixed frame 5 is fixed with a second support rod 17.

[0060] A roller 8 is fixed between the second support rod 17 and the first support rod 4, and a belt 7 is installed on the roller 8.

[0061] Example 6:

[0062] A foldable, mobile, full-section spray dust suppression net includes a first fixed frame 5. A first dust suppression net frame 2 is hinged to one side of the first fixed frame 5, and a hydraulic device 3 is provided at the hinge. The first fixed frame 5 is connected to the first dust suppression net frame 2. A second dust suppression net frame 15 with the same length and extending in the same direction is provided at the bottom of the first dust suppression net frame 2. A wind duct 10 is provided in the first fixed frame 5. Six first nozzles 1 are provided at the top and bottom of the first fixed frame 5. The first dust suppression net frame 2 includes nine second fixed frames 22 that are hinged in sequence. A first dust suppression net 21 is provided in the second fixed frame 22. One of the second fixed frames 22 is hinged to the first fixed frame 5. A total of seven hydraulic devices 3 are provided at the hinge between the first fixed frame 5 and the second fixed frame 22 and at the hinge between two adjacent second fixed frames 22. Six second nozzles 16 are provided at the top of each second fixed frame 22.

[0063] The second dustproof net frame 15 includes nine third fixed frames 151 that are hinged together in sequence. The third fixed frames 151 are provided with second dustproof nets 152. The third fixed frames 151 and the second fixed frames 22 have the same length.

[0064] The hydraulic device 3 includes a hydraulic cylinder 32, which is fixed at the hinge. The hydraulic cylinder 32 is connected in sequence to a control valve 33, a hydraulic pump 31, and an oil tank 34 via a pipe 35.

[0065] The bottom of the second dustproof mesh frame 15 is fixed with two first support rods 4.

[0066] The bottom of the first fixed frame 5 is fixed with a second support rod 17.

Claims

1. A foldable, mobile, full-section spray dust suppression net, characterized in that: Includes a first fixed frame (5), a first dustproof net frame (2) is hinged to one side of the first fixed frame (5) and a hydraulic device (3) is provided at the hinge. The first fixed frame (5) is connected to the first dustproof net frame (2). A second dustproof net frame (15) with the same length and the same extension direction is provided at the bottom of the first dustproof net frame (2). A wind duct (10) is provided in the first fixed frame (5). A number of first nozzles (1) are provided at the top and bottom of the first fixed frame (5). A number of second nozzles (16) are provided at the top of the first dustproof net frame (2).

2. The foldable, mobile, full-section spray dust suppression net according to claim 1, characterized in that, The first dustproof net frame (2) includes several second fixed frames (22) that are hinged in sequence. A first dustproof net (21) is provided in the second fixed frame (22). One of the second fixed frames (22) is hinged to the first fixed frame (5). At least two hydraulic devices (3) are provided at the hinge point between the first fixed frame (5) and the second fixed frame (22) and at the hinge points of two adjacent second fixed frames (22). Several second nozzles (16) are provided on the top of each second fixed frame (22).

3. The foldable, mobile, full-section spray dust suppression net according to claim 2, characterized in that, The second dustproof net frame (15) includes several third fixed frames (151) that are hinged in sequence. The third fixed frame (151) is provided with a second dustproof net (152). The third fixed frame (151) and the second fixed frame (22) have the same length.

4. The foldable, mobile, full-section spray dust suppression net according to claim 2, characterized in that, The hydraulic device (3) includes a hydraulic cylinder (32), which is fixed at the hinge. The hydraulic cylinder (32) is connected in sequence to a control valve (33), a hydraulic pump (31), and an oil tank (34) via a pipe (35).

5. The foldable, mobile, full-section spray dust suppression net according to any one of claims 1-4, characterized in that, The first fixed frame (5) has a water inlet (11).

6. The foldable, mobile, full-section spray dust suppression net according to any one of claims 1-4, characterized in that, A shut-off valve (9) is provided at the bottom of one side of the first fixed frame (5).

7. The foldable, mobile, full-section spray dust suppression net according to any one of claims 1-4, characterized in that, The second dustproof mesh frame (15) has a fixed seat (6) on the side near the first fixed frame (5).

8. The foldable, mobile, full-section spray dust suppression net according to any one of claims 1-4, characterized in that, The bottom of the second dustproof mesh frame (15) is fixed with two first support rods (4).

9. The foldable, mobile, full-section spray dust suppression net according to claim 8, characterized in that, The bottom of the first fixed frame (5) is fixed with a second support rod (17).

10. The foldable, mobile, full-section spray dust suppression net according to claim 9, characterized in that, A roller (8) is fixed between the second support rod (17) and a first support rod (4), and a belt (7) is provided on the roller (8).