Dustproof spraying device of coal mining machine

By introducing a conical seat and dust collection chamber structure into the coal mining machine's spray device, the problems of nozzle clogging and limited spray range were solved, achieving an all-round dust removal effect.

CN223634702UActive Publication Date: 2025-12-05SUNCUN COAL MINE OF XINWEN MINING GRP CO LTD
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Patent Information

Application Number
CN202520061782.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-11
Publication Date
2025-12-05
Estimated Expiration
2035-01-11

AI Technical Summary

Technical Problem

Existing coal mining machine spray devices are prone to dust clogging of the spray nozzles when not in use, and the spraying range is limited, resulting in poor dust removal effect.

Method used

A dust suppression spray device including a spray cylinder and a dust collection chamber was designed. The spray cylinder is equipped with a conical seat and a fan. The conical seat expands the spray range when spraying water and seals and protects the spray pipe when spraying water stops. The dust collection chamber uses the fan to generate airflow to adsorb dust.

Benefits of technology

It achieves all-round dust suppression while spraying water mist, prevents water pipe blockage, and improves dust removal efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mining engineering, and particularly discloses a dustproof spraying device of a coal mining machine, which comprises a supporting mechanism and a spraying mechanism assembled at the top of the supporting mechanism, the supporting mechanism comprises a vehicle frame, and a water tank is fixedly mounted in the vehicle frame; the spraying mechanism comprises a spraying cylinder hinged to the top of the frame, a spraying chamber and a dust suction chamber are formed in the spraying cylinder, a water spraying pipe is fixedly mounted on the inner wall of the spraying chamber, a conical seat corresponding to the water spraying pipe is slidably mounted on one side of the spraying cylinder, a guide groove is formed in the surface of the conical seat, and a dust suction opening is formed in the dust suction chamber. The periphery of the spraying cylinder and one side of the spraying cylinder are communicated with a dust hood; when water spraying is stopped, the conical seat can be reset to be attached to one end of the spraying barrel for sealing, and the situation that the water spraying pipe is contaminated by dust and blocked when not used is effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mining engineering technical field, concretely relates to a coal winning machine dustproof spray device. BACKGROUND

[0002] Coal mining is an important part of energy supply, but this process is accompanied by a large amount of dust generation. As the key equipment of coal mining, the dust generated in the operation process of the coal winning machine not only pollutes the working environment and reduces the working efficiency, but also seriously threatens the health of the respiratory system of workers. Long-term inhalation of dust can cause workers to suffer from pneumoconiosis and other occupational diseases, which brings heavy burden to individuals and families. In the process of coal winning machine construction, a dustproof sprayer is usually provided to spray water mist in the working area to reduce the dust concentration in the working environment.

[0003] However, the water spray head in the current spray device is mostly directly exposed to the construction site environment, which can easily cause the dust in the environment to adhere to the water spray head and cause blockage when it is stopped. At the same time, most of them only have the function of spraying water mist, and due to the limited range of water mist spraying, the dust in the working area of the coal winning machine cannot be covered in all directions, which reduces the dust removal effect. To solve the above problems, the applicant proposes a coal winning machine dustproof spray device. UTILITARIAN CONTENT

[0004] The utility model aims at providing a coal winning machine dustproof spray device, which can automatically protect the water spray pipe when stopping spraying water, and has dust absorption effect during water mist spraying, thereby improving the dust removal effect in all directions.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A coal winning machine dustproof spray device, comprising:

[0007] A support mechanism and a spray mechanism assembled on the top of the support mechanism;

[0008] The support mechanism comprises a vehicle frame, and a water tank is fixedly installed inside the vehicle frame;

[0009] The spray mechanism comprises a spray barrel hingedly installed on the top of the vehicle frame, a spray chamber and a dust absorption chamber are respectively formed in the inside of the spray barrel, a water spray pipe is fixedly installed on the inner wall of the spray chamber, a conical seat corresponding to the water spray pipe is slidingly installed on one side of the spray barrel, a guide groove is formed on the surface of the conical seat, a dust absorption cover is communicated with the outside of the spray barrel and one side of the spray barrel, the dust absorption cover and the dust absorption chamber are mutually communicated, and a discharge port is communicated with the bottom of the spray barrel.

[0010] Preferably, the outer periphery of the conical seat is fixedly provided with a plurality of slide rods arranged in an annular array, and the slide rods are slidably connected with the spray barrel through slide sleeves.

[0011] Preferably, a tension spring is connected between the slide rod and the slide sleeve, and the tension spring is sleeved on the outer periphery of the slide rod.

[0012] Preferably, the spray barrel is hingedly connected with the frame through a shaft support, and an electric push rod is hingedly connected between the shaft support and the bottom of the spray barrel.

[0013] Preferably, a fan corresponding to the water spraying pipe is fixedly arranged in the interior of the spray chamber, and a filter cloth is connected between the spray chamber and the dust suction chamber.

[0014] Preferably, the frame is fixedly connected with the water tank through a support plate, a water pump is fixedly arranged on the top of the water tank, and a conveying hose is in communication between the water pump and the water spraying pipe.

[0015] Preferably, a water inlet is formed in the top of the water tank, and a water outlet is formed in the front end of the water tank.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The conical seat is arranged on one side of the spray barrel, when water is sprayed, the conical seat can be opened by the impact force of water flow, so that the water flow can be sprayed outward along the slope of the conical seat, the spraying angle is enlarged, the spraying range is improved, when the water spraying is stopped, the conical seat can be reset, the conical seat can be sealed on one end of the spray barrel, and the water spraying pipe can be effectively protected from being contaminated by dust and blocked.

[0018] (2) The spray chamber and the dust suction chamber are arranged in the spray barrel, during the water spraying process of the spray chamber, the water mist can be blown to a far area by the airflow generated by the fan, the dust suction chamber can generate suction effect, the dust in the surrounding environment can be adsorbed into the dust suction chamber by the dust suction covers in multiple directions, the dust suction effect can be achieved during the spraying, and the working area of the coal mining machine can be comprehensively dedusted, and the dust removal effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is a spray mechanism structure diagram of the utility model;

[0021] Figure 3 It is a conical seat structure diagram of the utility model;

[0022] Figure 4 It is the spray barrel section view structure schematic view of the utility model;

[0023] Figure 5 It is the support mechanism structure schematic view of the utility model;

[0024] In the drawing: 1, spray mechanism;11, spray barrel;12, dust cover;13, discharge port;14, shaft support;15, electric push rod;16, conical seat;17, slide bar;18, slide sleeve;19, tension spring;110, guide groove;111, fan;112, spray chamber;113, dust collection chamber;114, water spray pipe;115, conveying hose;116, filter cloth;2, support mechanism;21, vehicle frame;22, support plate;23, water tank;24, water inlet;25, drain;26, water pump. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0026] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment one:

[0029] Please refer to Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 and Figure 5 A coal mining machine dustproof spraying device, comprising:

[0030] A support mechanism 2 and a spraying mechanism 1 assembled on the top of the support mechanism 2;

[0031] The support mechanism 2 comprises a vehicle frame 21, and a water tank 23 is fixedly installed inside the vehicle frame 21;

[0032] The spraying mechanism 1 comprises a spraying barrel 11 hingedly installed on the top of the vehicle frame 21, and a spraying chamber 112 and a dust suction chamber 113 are respectively formed in the inside of the spraying barrel 11, a water spraying pipe 114 is fixedly installed on the inner wall of the spraying chamber 112, a conical seat 16 corresponding to the water spraying pipe 114 is slidingly installed on one side of the spraying barrel 11, a guide groove 110 is formed on the surface of the conical seat 16, a dust suction cover 12 is communicated with the outside of the spraying barrel 11 and one side of the spraying barrel 11, the dust suction cover 12 and the dust suction chamber 113 are in communication with each other, and a discharge port 13 is communicated with the bottom of the spraying barrel 11.

[0033] As can be seen from the above, when in use, the device is moved to the working area of the coal mining machine, water is injected into the water tank 23 for storage, the water in the water tank 23 is pumped out and sprayed into the water spraying pipe 114, and the water spray is blown outward by the wind generated in the spraying chamber 112, so that the conical seat 16 is pushed open, the water mist can be sprayed out, the water mist can be conveniently expanded and sprayed outward along the slope of the guide groove 110, the water mist can be blown to a farther area by the generated airflow, the spraying range is effectively improved, when the water spraying is stopped, the pushing force on the conical seat 16 is removed, the conical seat 16 can be reset, the conical seat 16 can be sealed at one end of the spraying barrel 11, and the water spraying pipe 114 can be effectively protected from being clogged by dust when not in use;

[0034] When the water mist is blown by the airflow generated by the spraying chamber 112, the suction effect can be generated in the dust suction chamber 113, the dust in the surrounding environment can be adsorbed into the dust suction chamber 113 by the dust suction covers 12 in multiple directions, the dust suction effect can be achieved at the same time of spraying, the working area of the coal mining machine can be comprehensively dedusted, and the dust removal effect is improved.

[0035] As can be seen from Figure 2 and Figure 3 A plurality of sliding rods 17 are fixedly installed on the periphery of the conical seat 16 in a ring array, and the sliding rods 17 and the spraying barrel 11 are slidingly installed through sliding sleeves 18.

[0036] As can be known from the above, the sliding rod 17 can slide along the sliding sleeve 18, so that the conical seat 16 can move horizontally left and right to avoid tilting and shaking.

[0037] Specifically, as shown in Figure 3 The sliding rod 17 is connected with the sliding sleeve 18 through a tension spring 19, and the tension spring 19 is sleeved on the outer periphery of the sliding rod 17.

[0038] As can be known from the above, the tension spring 19 can exert a pulling force on the sliding rod 17, so that the conical seat 16 can be moved and reset when water spraying is stopped, and the conical seat 16 can be tightly attached to one end of the spray barrel 11 for sealing.

[0039] Specifically, as shown in Figure 2 The spray barrel 11 is hingedly installed between the frame 21 through a shaft support 14, and the shaft support 14 is hingedly connected with the bottom of the spray barrel 11 through an electric push rod 15.

[0040] As can be known from the above, the shaft support 14 can support the spray barrel 11, and the spray barrel 11 can have a rotating effect. Through the extension and retraction of the electric push rod 15, the spray barrel 11 can be pushed to perform a flipping motion, so that the spray angle can be adjusted according to the needs of construction dust reduction.

[0041] Embodiment two:

[0042] As shown in Figure 4 The inside of the spray chamber 112 is fixedly installed with a fan 111 corresponding to the water spraying pipe 114, and the spray chamber 112 is connected with a dust suction chamber 113 through a filter cloth 116.

[0043] As can be known from the above, the fan 111 can generate wind power to blow the sprayed water mist to a farther position, and can also suck air from the dust suction chamber 113 to make the dust suction chamber 113 have a dust suction effect. The filter cloth 116 can intercept dust to prevent dust from being sucked into the spray chamber 112.

[0044] As shown in Figure 4 and Figure 5 The frame 21 is fixedly installed with the water tank 23 through a support plate 22, the top of the water tank 23 is fixedly installed with a water pump 26, and the water pump 26 is communicated with the water spraying pipe 114 through a conveying hose 115.

[0045] As can be known from the above, the water pump 26 can conveniently pump water out of the water tank 23, the conveying hose 115 can conveniently convey water into the water spraying pipe 114 for spraying, and the flexible feature of the conveying hose 115 can not affect the angle adjustment motion of the spray barrel 11.

[0046] As shown in Figure 5As shown, the top of the water tank 23 is provided with a water inlet 24, and the front end of the water tank 23 is provided with a water outlet 25.

[0047] As can be seen from the above, water can be conveniently injected into the water tank 23 through the water inlet 24 for storage, and the water tank 23 can be conveniently pushed to a suitable position for use by using the frame 21, and the excess water in the water tank 23 can be discharged through the water outlet 25, facilitating the replacement operation of the water.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dust spray device for a coal mining machine, characterized in that, Include: Supporting mechanism (2) and spray mechanism (1) assembled on the top of the supporting mechanism (2); The supporting mechanism (2) comprises a frame (21), and a water tank (23) is fixedly installed inside the frame (21); The spray mechanism (1) comprises a spray barrel (11) hingedly installed on the top of the frame (21), a spray chamber (112) and a dust collection chamber (113) are respectively formed in the inside of the spray barrel (11), a water pipe (114) is fixedly installed on the inner wall of the spray chamber (112), a conical seat (16) corresponding to the water pipe (114) is slidably installed on one side of the spray barrel (11), a guide groove (110) is formed on the surface of the conical seat (16), a dust collection cover (12) is communicated with the outside of the spray barrel (11) and one side of the spray barrel (11), the dust collection cover (12) and the dust collection chamber (113) are in communication, and a discharge port (13) is communicated with the bottom of the spray barrel (11).

2. The dust spray device of the coal mining machine according to claim 1, characterized in that: A plurality of slide rods (17) in annular array are fixedly installed on the periphery of the conical seat (16), and the slide rod (17) and the spray barrel (11) are slidably installed through a sliding sleeve (18).

3. The dust spray device of the coal mining machine according to claim 2, characterized in that: The slide rod (17) and the sliding sleeve (18) are connected with a tension spring (19), and the tension spring (19) is sleeved on the periphery of the slide rod (17).

4. The dust spray device of the coal mining machine according to claim 1, characterized in that: The spray barrel (11) and the frame (21) are hingedly installed through an axle bracket (14), and the axle bracket (14) and the bottom of the spray barrel (11) are hingedly connected with an electric push rod (15).

5. The dust spray device of the coal mining machine according to claim 1, characterized in that: A fan (111) corresponding to the water pipe (114) is fixedly installed in the inside of the spray chamber (112), and the spray chamber (112) and the dust collection chamber (113) are connected with a filter cloth (116).

6. The dust spray device of the coal mining machine according to claim 1, characterized in that: The frame (21) and the water tank (23) are fixedly installed through a supporting plate (22), a water pump (26) is fixedly installed on the top of the water tank (23), a conveying hose (115) is communicated between the water pump (26) and the water pipe (114).

7. The dust spray device of the coal mining machine according to claim 1, characterized in that: A water inlet (24) is formed on the top of the water tank (23), and a drain port (25) is formed on the front end of the water tank (23).