Spraying dust-settling device for coal mine heading machine

By simplifying the structure of the spray dust suppression device and utilizing telescopic components and motor-driven nozzle adjustment, the problem of easy damage to precision mechanical parts is solved, achieving efficient dust suppression and low-cost maintenance.

CN223781475UActive Publication Date: 2026-01-09山西工程职业学院
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Patent Information

Application Number
CN202520393987.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-09
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In existing dust suppression spray devices for coal mine tunneling machines, precision mechanical components are susceptible to dust, vibration, and temperature, resulting in high maintenance costs and affecting normal operation.

Method used

A simplified structure including a support plate, water tank, telescopic component, water pump, and nozzle was designed. The telescopic component and motor drive the nozzle position and angle adjustment to align with the tunneling machine drill bit and atomize water flow for dust suppression.

Benefits of technology

It improved dust suppression efficiency, reduced maintenance costs, and ensured the continuity and efficiency of coal mine tunneling operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine construction, and discloses a spraying and dust-settling device for a coal mine heading machine, which comprises a support plate, a plurality of spray nozzles, a plurality of spray nozzles and a plurality of spray nozzles, the upper ends of the two base plates are connected with the water tank, and water adding pipes are arranged at the upper ends of the base plates; the telescopic part is arranged at the upper end of the supporting plate and located between the two base plates, the telescopic end of the telescopic part is connected with one end of a movable plate, and the movable plate is slidably connected with the supporting plate; the water pump is fixedly connected with the side wall of the water tank, a water inlet of the water pump communicates with a water inlet pipe, a water outlet of the water pump communicates with a water outlet pipe, and the other end of the water inlet pipe communicates with the water tank and extends to the bottom of the water tank; and the spray head communicates with the other end of the water outlet pipe and is connected with the other end of the movable plate. According to the utility model, the dust falling work of the heading machine can be completed while the dust falling structure is simplified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine construction, especially relates to a coal mine heading machine is with spray dust falling device. BACKGROUND

[0002] The heading machine is the machine for straight ground to open up the roadway, and is divided into coal mine heading machine and the like according to different use needs, and in the process of coal mining, the heading machine opens up the roadway, and this operation will be accompanied by a large amount of dust generation, in order to effectively control dust concentration, it needs to use dust falling device to implement dust falling measures.

[0003] The patent with the announcement number CN221973504U discloses a coal mine heading machine is with spray dust falling device, when using, the spray head is connected with the water pipe through the joint, and the water in the water tank is pumped out, then enters the joint through the water pipe, and the water mist is sprayed out from the spray head, then, the guide plate is driven to move back and forth by the driving assembly, the guide plate drives the corresponding extension frame to move synchronously and equidistantly by the cooperation of the first guide slot, the second guide slot and the third guide slot and the guide block, so that the extension frame can move synchronously to the center or both sides, thereby controlling the distance between the spray heads on each extension frame, and adjusting the spray range, finally, the output end of the motor drives the driving gear to drive the driven gear to rotate, at the same time, the driven gear drives the connecting rod to rotate, and the connecting rod drives the slide rod to reciprocate along the inside of the sliding groove, thereby driving the spray head to reciprocate up and down by the cylinder seat. The device has the following defects when in use, the device contains multiple precise mechanical components, such as horizontal guide rail, vertical guide rail, screw, sliding sleeve, guide slot, runner, gear transmission system and the like, the cooperation and linkage between these components need high precision and stability, however, in the actual coal mine heading operation environment, due to the influence of multiple factors such as dust, vibration and temperature, these precise components are easy to be damaged, once a component fails, professional personnel need to repair and replace, which not only increases the maintenance cost, but also may affect the normal operation of the coal mine heading.

[0004] Therefore, how to simplify the dust falling structure in the process of coal mine dust falling becomes a technical problem to be solved by the person skilled in the art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coal mine heading machine is with spray dust falling device to overcome the above situation.

[0006] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a coal mine heading machine is with spray dust falling device, comprising:

[0007] The support plate is used for being fixed on the upper end of the cantilever of the heading machine, and two pads are fixed on the upper end relative to the support plate;

[0008] A water tank is connected to the upper ends of the two pads, and a water filling pipe is arranged on the upper end of the water tank.

[0009] A telescopic member is arranged on the upper end of the support plate and between the two pads, and the telescopic end of the telescopic member is connected to one end of a movable plate, and the movable plate is slidably connected to the support plate.

[0010] A water pump is fixedly connected to the side wall of the water tank, and a water inlet pipe is connected to the water inlet of the water pump, and a water outlet pipe is connected to the water outlet of the water pump, and the other end of the water inlet pipe is connected to the water tank and extends to the bottom of the water tank.

[0011] A spray head is connected to the other end of the water outlet pipe, and the other end of the spray head is connected to the movable plate.

[0012] Further, two vertical plates are arranged on the upper end of the movable plate in the horizontal direction, the side walls of the vertical plates are flush with the side walls of the movable plate, and the movable plate and the vertical plates are equal in length.

[0013] Further, one of the vertical plates is fixedly provided with a motor, a screw rod is arranged between the two vertical plates, one end of the screw rod is rotatably penetrated through the side wall of one of the vertical plates, the other end of the screw rod is rotatably penetrated through the side wall of the other vertical plate, the output shaft of the motor is drivingly connected to one end of the screw rod, a guide rod is fixedly arranged between the two vertical plates, the screw rod and the guide rod are arranged opposite to each other, and the screw rod and the guide rod are respectively located on the two sides of the spray head, a fixed block is fixedly arranged on the upper end and the lower end of the spray head, a threaded sleeve is fixedly arranged on the upper end of the fixed block, a guide sleeve is fixedly arranged on the lower end of the fixed block, the threaded sleeve is threadedly connected to the screw rod, and the guide sleeve is slidably connected to the guide rod.

[0014] Further, a plurality of supports are arranged on the lower end of the movable plate, the plurality of supports are arranged in a matrix, and the plurality of supports are one-to-one rotatably connected to a plurality of pulleys, and the pulleys are slidably connected to the upper end of the support plate.

[0015] Further, a wedge-shaped plate is fixedly arranged on the front end of the support plate, and the inclined surface of the wedge-shaped plate selectively abuts against the pulley.

[0016] Further, the opposite side walls of the water tank are fixedly provided with connecting plates, the lower surface of the water tank is flush with the lower surface of the connecting plates, at least one first through hole is arranged on each of the connecting plates, the upper end of the pad is provided with a second through hole corresponding to the first through hole, at least one fixing member is arranged on the upper end of the connecting plate, and the fixing member is detachably connected through the first through hole and the second through hole.

[0017] Further, a pipe cover is arranged on the upper end of the water filling pipe, and the pipe cover is threadedly connected to the pipe opening of the water filling pipe.

[0018] Further, two reinforcing plates are oppositely arranged at the lower end of the support plate, and the side wall of the reinforcing plate is used to connect with the side wall of the boom of the tunneling machine.

[0019] Further, the reinforcing plate is equal in length with the support plate, and the longitudinal section of the reinforcing plate is wedge-shaped.

[0020] Compared with the prior art, the utility model has at least the following advantages: during use, the telescopic part at the upper end of the support plate pushes the movable plate to slide, so that the nozzle slides with the movable plate, when the nozzle is aligned with the drill bit of the tunneling machine, the water pump is started, the water pump draws water from the water tank and delivers the water flow to the nozzle through the water outlet pipe, the nozzle atomizes the water flow into fine water mist, covering the working area of the drill bit of the tunneling machine, and the operator can complete the dust-settling work through simple operation, so that the working efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model coal mine tunneling machine is with spraying dust-settling device;

[0023] Figure 2 It is the whole structure schematic diagram of the utility model support plate;

[0024] Figure 3 It is the schematic diagram of part structure of the utility model;

[0025] Figure 4 It is the right view of part structure of the utility model.

[0026] Sign significance: 1, support plate;2, backing plate;3, water tank;4, water adding pipe;5, telescopic part;6, movable plate;7, water pump;8, water inlet pipe;9, water outlet pipe;10, nozzle;11, vertical plate;12, motor;13, screw;14, guide rod;15, fixed block;16, guide sleeve;17, threaded sleeve;18, connecting plate;19, fixed part;20, reinforcing plate;21, support;22, pulley;23, wedge plate;24, pipe cover. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0029] With reference to Figure 1 The utility model provides a kind of coal mine tunneling machine is with spray dust-settling device, including the support plate 1 for being fixed in the upper end of tunneling machine cantilever (not shown in drawing), support plate 1 is the basic component of entire spray dust-settling device, it is made of high-strength, corrosion-resistant material, to ensure its bearing capacity and service life, and the even upper surface of support plate 1 provides reliable plane for the installation of other components, two pad plates 2 are oppositely fixed in the upper end of support plate 1, pad plate 2 and support plate 1 are connected by welding specifically;Two pad plates 2 upper end are connected with water tank 3, and the main role of two pad plates 2 is as the support structure of water tank 3, pad plate 2 is also made of strong durable material, and its design ensures that water tank 3 can be placed stably, even under the vibration generated when tunneling machine works, can also maintain stability, water pipe 4 is arranged in the upper end of water tank 3, to facilitate water to water tank 3;Flexible member 5 is arranged in the upper end of support plate 1, and is located between two pad plates 2, and one end of its telescopic end and movable plate 6 is connected, movable plate 6 and support plate 1 are slidably connected, and flexible member 5 is hydraulic cylinder, and the design of the position of flexible member 5 can shorten the length of the whole device;Water pump 7 is fixedly connected to the side wall of water tank 3, the water inlet of water pump 7 is communicated with water inlet pipe 8, the water outlet of water pump 7 is communicated with water outlet pipe 9, water outlet pipe 9 is designed as hose, to increase its flexibility, facilitate the movement of movable plate 6, the other end of water inlet pipe 8 is communicated with water tank 3 and extends to the bottom of water tank 3, movable plate 6 can support water outlet pipe 9, to avoid the contact between water outlet pipe 9 and the rotating shaft (not shown in drawing) of tunneling machine;And the other end of water outlet pipe 9 is communicated with spray head 10, and spray head 10 is connected to the other end of movable plate 6, and spray head 10 is long strip-shaped, so as to cover wider spray range, to improve dust-settling efficiency.

[0030] Flexible member 5 can drive movable plate 6 to move towards the direction of tunneling machine drill bit (not shown in drawing), so as to adjust the position of spray head 10, and this design can make spray head 10 more accurately aim at the drill bit of tunneling machine, to realize more effective dust-settling effect.

[0031] With reference to Figures 3-4The upper end of the movable plate 6 is provided with two vertical plates 11 in the horizontal direction, the side walls of the vertical plates 11 are flush with the side walls of the movable plate 6, the movable plate 6 and the vertical plates 11 are equal in length, and the design of the vertical plates 11 can prevent the water outlet pipe 9 from sliding out of the movable plate 6.

[0032] One of the vertical plates 11 is fixedly provided with a motor 12, a screw rod 13 is arranged between the two vertical plates 11, one end of the screw rod 13 rotatably penetrates the side wall of one of the vertical plates 11, the other end of the screw rod 13 rotatably penetrates the side wall of the other vertical plate 11, the two vertical plates 11 and the screw rod 13 are rotatably connected through bearings (not shown in the figure), the output shaft of the motor 12 is in transmission connection with one end of the screw rod 13, a guide rod 14 is fixedly arranged between the two vertical plates 11, the screw rod 13 and the guide rod 14 are oppositely arranged, and the screw rod 13 and the guide rod 14 are respectively located on the two sides of the spray head 10, the upper end and the lower end of the spray head 10 are fixedly provided with fixed blocks 15, the upper end fixed block 15 is fixedly provided with a threaded sleeve 17, the lower end fixed block 15 is fixedly provided with a guide sleeve 16, the threaded sleeve 17 is in threaded connection with the screw rod 13, and the guide sleeve 16 is in sliding connection with the guide rod 14. The motor 12 drives the screw rod 13 to rotate, thereby driving the spray head 10 to move in the horizontal direction, achieving the adjustment of the angle of the spray head 10, and the guide rod 14 ensures the stability of the spray head during movement.

[0033] The lower end of the movable plate 6 is provided with a plurality of supports 21, the plurality of supports 21 are arranged in a matrix, and the plurality of supports 21 are one-to-one rotatably connected with a plurality of pulleys 22, the pulleys 22 are slidably connected with the upper end of the support plate 1, and the design of the pulleys 22 improves the flexibility of the movable plate 6.

[0034] Referring to Figure 2 The front end of the support plate 1 is fixedly provided with a wedge-shaped plate 23, the inclined surface of the wedge-shaped plate 23 selectively abuts against the pulley 22, and the wedge-shaped plate 23 can reduce the collision with the right angle of the front end of the support plate 1 when the pulley 22 slides into the support plate 1.

[0035] Referring to Figure 1 The opposite side walls of the water tank 3 are fixedly provided with connecting plates 18, and the lower surfaces of the water tank 3 and the connecting plates 18 are flush. Both of the connecting plates 18 are provided with at least one first through hole, the upper end of the backing plate 2 is provided with a second through hole corresponding to the first through hole, the upper end of the connecting plate 18 is provided with at least one fixing piece 19, the fixing piece 19 penetrates the first through hole and the second through hole to be detachably connected, the fixing piece 19 is an internal hexagonal bolt, and the fixing piece 19 and the second through hole are in threaded connection. When the water tank 3 is damaged, the staff releases the connection between the fixing piece 19 and the second through hole, and then repairs or replaces the water tank 3.

[0036] The upper end of the water adding pipe 4 is provided with a pipe cover 24, the pipe cover 24 is in threaded connection with the pipe opening of the water adding pipe 4, and the upper end of the water adding pipe 4 is provided with the pipe cover 24 to prevent dust and sundries from entering the water tank 3 and prevent water evaporation.

[0037] Referring to Figure 2 The lower end of the support plate 1 is provided with two reinforcing plates 20 in opposite arrangement, and the side walls of the reinforcing plates 20 are used to be connected with the side walls of the cantilever of the tunneling machine, and the reinforcing plates 20 are used to enhance the connecting strength between the support plate 1 and the cantilever of the tunneling machine.

[0038] The reinforcing plate 20 is equal in length with the support plate 1, and the longitudinal section of the reinforcing plate 20 is wedge-shaped.

[0039] The working principle of the utility model is as follows: in use, the staff adjusts the telescopic distance of the telescopic piece 5, the telescopic piece 5 can adjust the distance between the movable plate 6 and the spray head 10 on it and the drill bit of the tunneling machine, so that the spray head 10 can always be aligned with the drill bit of the tunneling machine, then the water pump 7 is started, the water pump 7 draws water from the water tank 3 and delivers the water flow to the spray head 10 through the water outlet pipe 9, the spray head 10 atomizes the water flow into fine water mist, covering the working area of the drill bit of the tunneling machine, when the spray head 10 is aligned with the drill bit of the tunneling machine, the motor 12 is started at the same time, the motor 12 drives the screw rod 13 to rotate, the threaded sleeve 17 is threadedly connected with the screw rod 13, the threaded sleeve 17 drives the spray head 10 to move horizontally along the direction of the screw rod 13, further increasing the coverage area of the spray head 10.

[0040] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0041] The above-described embodiments are only used to describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claim.

Claims

1. A spray dust suppression device for coal mine tunneling machines, characterized in that, include: Support plate (1), which is used to fix the upper end of the tunneling machine boom, and two pads (2) are fixed on the upper end of the support plate (1); Water tank (3), the upper ends of the two pads (2) are connected to the water tank (3), and a water inlet pipe (4) is provided at the upper end of the pads (2); The telescopic component (5) is arranged on the upper end of the support plate (1) and located between the two pads (2). Its telescopic end is connected to one end of the movable plate (6), and the movable plate (6) and the support plate (1) are slidably connected. A water pump (7) is fixedly connected to the side wall of a water tank (3). Its inlet is connected to an inlet pipe (8), and its outlet is connected to an outlet pipe (9). The other end of the inlet pipe (8) is connected to the water tank (3) and extends to the bottom of the water tank (3). The nozzle (10) is connected to the other end of the water outlet pipe (9) and to the other end of the movable plate (6).

2. The spray dust suppression device for coal mine tunneling machines according to claim 1, characterized in that, The upper end of the movable plate (6) has two vertical plates (11) arranged opposite each other in the horizontal direction. The side walls of the vertical plates (11) are flush with the side walls of the movable plate (6), and the movable plate (6) and the vertical plates (11) are of the same length.

3. The dust suppression spray device for coal mine tunneling machines according to claim 2, characterized in that, A motor (12) is fixedly mounted on one of the vertical plates (11). A screw (13) is provided between the two vertical plates (11). One end of the screw (13) rotatably passes through the side wall of one of the vertical plates (11), and the other end of the screw (13) rotatably passes through the side wall of the other vertical plate (11). The output shaft of the motor (12) is connected to one end of the screw (13). A guide rod (14) is fixedly mounted between the two vertical plates (11). The screw (13) and guide rod (14) are arranged opposite to each other, and the screw (13) and guide rod (14) are respectively located on both sides of the nozzle (10). The nozzle (10) is fixed with a fixing block (15) at both the upper and lower ends. The upper fixing block (15) is fixed with a threaded sleeve (17), and the lower fixing block (15) is fixed with a guide sleeve (16). The threaded sleeve (17) and screw (13) are threadedly connected, and the guide sleeve (16) and guide rod (14) are slidably connected.

4. The dust suppression spray device for coal mine tunneling machines according to claim 1, characterized in that, The lower end of the movable plate (6) is provided with several supports (21), which are arranged in a matrix. Each of the supports (21) is rotatably connected to several pulleys (22), and the pulleys (22) are slidably connected to the upper end of the support plate (1).

5. The spray dust suppression device for coal mine tunneling machines according to claim 4, characterized in that, The front end of the support plate (1) is fixed with a wedge plate (23), and the inclined surface of the wedge plate (23) and the pulley (22) selectively abut against each other.

6. The dust suppression spray device for coal mine tunneling machines according to claim 1, characterized in that, The water tank (3) has connecting plates (18) fixedly installed on its opposite sidewalls. The lower surface of the water tank (3) is flush with the lower surface of the connecting plates (18). The two connecting plates (18) are evenly provided with at least one first through hole. The upper end of the pad (2) is provided with a second through hole corresponding to the first through hole. The upper end of the connecting plate (18) is provided with at least one fixing member (19). The fixing member (19) is detachably connected through the first through hole and the second through hole.

7. The dust suppression spray device for coal mine tunneling machines according to any one of claims 1 to 6, characterized in that, The upper end of the water supply pipe (4) is provided with a pipe cap (24), and the pipe cap (24) and the opening of the water supply pipe (4) are threaded together.

8. The dust suppression spray device for coal mine tunneling machines according to any one of claims 1 to 6, characterized in that, The lower end of the support plate (1) is provided with two reinforcing plates (20) opposite each other, and the side wall of the reinforcing plate (20) is used to connect with the side wall of the tunneling machine cantilever.

9. The dust suppression spray device for coal mine tunneling machines according to claim 8, characterized in that, The reinforcing plate (20) and the supporting plate (1) are of equal length, and the longitudinal section of the reinforcing plate (20) is wedge-shaped.

Citation Information

Patent Citations

  • Spraying dust-settling device for coal mine heading machine

    CN221973504U