Dust falling equipment for open pit coal mine exploitation

Abstract

The utility model relates to the technical field of coal mining, in particular to dust falling equipment for open pit coal mining, which comprises a water tank and a spraying mechanism. A horizontal moving mechanism is arranged at the top end of the water tank; the spraying mechanism is driven by a horizontal moving mechanism to conduct displacement adjustment along the top end of the water tank, the spraying mechanism is composed of a stand column, a water inlet pipe rotationally connected with the stand column and an atomization nozzle installed at the top end of the water inlet pipe, and the bottom end of the stand column is connected with a water pump in the water tank through a first hose; the input end of the water inlet pipe corresponds to the output end of the first hose. Through the arrangement of the horizontal moving mechanism, the spraying mechanism is conveniently driven to perform displacement adjustment in the horizontal direction along the water tank, so that the spraying area of the spraying mechanism is increased, and the dust falling efficiency is improved; and by arranging the spraying mechanism, spraying and dust falling can be conveniently conducted on the periphery of the position where the walking vehicle is located, the coverage rate is high, and the dust falling efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining technical field, concretely is a kind of open coal mining dust falling equipment. BACKGROUND

[0002] Coal mine is the area that human extracts coal resources in coal-rich mining area, generally divided into underground coal mine and open coal mine, in the process of mining, open coal mine will produce a large amount of dust, these dusts fall into the air can cause harm to the health of personnel, need to use dust falling device to remove dust.

[0003] The Chinese patent with the authorization announcement number CN220555969U discloses a coal mining dust falling device, under the cooperation of speed reducer, rotating column, protruding block, sliding block, connecting block, connecting rod one, connecting column two and connecting rod two, the left and right reciprocating swing of swing rod can be driven, so that the angle of atomizing nozzle can be adjusted, the dust falling range is expanded, and the dust falling effect is improved, which is convenient to use.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: when the above-mentioned device is fixedly placed at a certain position in the mining area, the atomizing nozzle can be adjusted in angle, but the area for spraying dust falling is limited, and cannot be automatically adjusted, reducing the dust falling efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a dust falling equipment for open coal mining.

[0006] The technical scheme of the utility model: a dust falling equipment for open coal mining, comprising a water tank, a walking vehicle is installed at the bottom end of the water tank, and a horizontal moving mechanism is arranged at the top end of the water tank; and a spraying mechanism driven by the horizontal moving mechanism to displace along the top end of the water tank, the spraying mechanism is composed of a vertical column, a water inlet pipe rotatably connected with the vertical column and an atomizing nozzle installed at the top end of the water inlet pipe, the vertical column is installed on the horizontal moving mechanism, the bottom end of the vertical column is connected with a water pump inside the water tank through a first hose, a driving assembly is arranged in the vertical column, the water inlet pipe is rotatably connected with a screw rod driven by the driving assembly, and the input end of the water inlet pipe corresponds to the output end of the first hose.

[0007] Preferably, the horizontal moving mechanism comprises two groups of fixed seats symmetrically installed at the top end of the water tank, a screw rod rotatably connected between the two groups of fixed seats and driven to rotate by a motor installed on one of the two groups of fixed seats, a guide rod installed between the two groups of fixed seats, and a moving seat installed between the screw rod and the guide rod.

[0008] Preferably, the driving assembly comprises a rotating base mounted at the bottom end of the outer circumferential surface of the water inlet pipe, and the rotating base is rotatably connected with the inner wall of the stand; and a support, the top end of which is connected with the rotating base, and the bottom end of the support is provided with an impeller corresponding to the output end of the first hose.

[0009] Preferably, the bottom end of the side wall of the stand is provided with a drain valve, and the drain valve comprises a connecting pipe communicated with the stand and a sealing cover threadedly connected with the outer wall of the connecting pipe.

[0010] Preferably, the stand is provided with a protection assembly, and the protection assembly comprises a protection cover rotatably connected with the outer circumferential surface of the stand, an atomizing nozzle arranged in the protection cover, and an opening arranged in the protection cover corresponding to the atomizing nozzle; and a second hose connected with the bottom end of the protection cover, and the other end of the second hose penetrates through the moving base and is connected with the water tank.

[0011] Preferably, the outer circumferential surface of the stand is provided with an annular seat, the protection cover is provided with a second annular groove, the first annular groove and the second annular groove are rotatably connected, the bottom end of the protection cover is provided with a sliding seat, the sliding seat is connected with the outer circumferential surface of the stand through bolts, and the outer circumferential surface of the stand is provided with a plurality of thread grooves corresponding to the bolts.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: the horizontal movement mechanism is arranged to facilitate the horizontal displacement adjustment of the spraying mechanism along the water tank, thereby increasing the spraying area of the spraying mechanism and improving the dust-settling efficiency; the spraying mechanism is arranged to facilitate the spraying and dust-settling around the position of the walking vehicle, the coverage rate is high, and the dust-settling efficiency is further improved; the protection assembly is arranged to facilitate the shielding of one side of the spraying area, so as to avoid interfering with people or objects nearby, thereby providing convenience for use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Fig. 2 It is a schematic diagram of the connection mode of the stand and the moving base of the utility model;

[0015] Fig. 3 It is a schematic diagram of the structure of part A of the utility model.

[0016] Mark: 1, walking vehicle; 2, water tank; 3, screw; 301, guide rod; 302, moving base; 303, stand; 304, first annular groove; 305, annular seat; 306, drain valve; 4, water inlet pipe; 401, atomizing nozzle; 402, rotating base; 403, support; 404, impeller; 5, protection cover; 501, second annular groove; 502, second hose; 503, sliding seat; 504, opening. DETAILED DESCRIPTION

[0017] Embodiment one

[0018] As Figs. 1-3 shown, the utility model provides a kind of open coal mine with dust falling equipment, including water tank 2 and spraying mechanism;Water tank 2 bottom end is equipped with walking car 1, and water tank 2 top end is provided with horizontal moving mechanism;Spraying mechanism is driven along water tank 2 top end by horizontal moving mechanism and is displaced adjustment, and spraying mechanism is constituted by vertical column 303, water inlet pipe 4 rotatably connected vertical column 303 and atomizing nozzle 401 installed at the top of water inlet pipe 4, vertical column 303 is installed on horizontal moving mechanism, and vertical column 303 bottom end is connected with the water pump in the inside of water tank 2 by first hose, and the door body of water tank 2 top end is close to hose and water pump setting, convenient for the overhaul of water pump, driving assembly is arranged in vertical column 303, water inlet pipe 4 is driven and rotatably connected with screw rod 3 by driving assembly, and the input end of water inlet pipe 4 corresponds with the output end of first hose.

[0019] Further, horizontal moving mechanism includes fixed seat, screw rod 3, guide rod 301 and moving seat 302;Fixed seat is provided with two groups, and two groups of fixed seat are symmetrically installed at the top of water tank 2;Screw rod 3 is rotatably connected between two groups of fixed seat, and screw rod 3 is driven to rotate by motor installed on one group of fixed seat;Guide rod 301 is installed between two groups of fixed seat;Moving seat 302 is installed between screw rod 3 and guide rod 301, and moving seat 302 is threadedly connected with screw rod 3 and slidably connected with guide rod 301.

[0020] Further, driving assembly includes rotating seat 402 and support 403;Rotating seat 402 is installed at the bottom end of the outer circumferential surface of water inlet pipe 4, and rotating seat 402 is rotatably connected with the inner wall of vertical column 303, the inner wall of vertical column 303 is provided with first annular groove 304, and rotating seat 402 is rotatably connected with first annular groove 304;Support 403 top end is connected with rotating seat 402, and support 403 bottom end is equipped with impeller 404, and impeller 404 corresponds with the output end of first hose.

[0021] Further, the bottom end of the side wall of vertical column 303 is equipped with drain valve 306, and drain valve 306 is composed of connecting pipe communicated with vertical column 303 and sealing cover threadedly connected with the outer wall of connecting pipe, and rotating sealing cover makes it separate from connecting pipe, so that excess water between rotating seat 402 and the bottom end of vertical column 303 can be discharged.

[0022] In this embodiment, the device is moved to any suitable position by the walking vehicle 1, the water pump inside the water tank 2 is started by the controller, the dust-settling water is transported to the inside of the stand 303 along the first hose, the water flow will impact the impeller 404, and then drive the rotating seat 402 to rotate along the first annular groove 304 on the inner wall of the stand 303 through the support 403, and then drive the water inlet pipe 4 to rotate along the stand 303, so that the atomizing nozzle 401 at the top of the water inlet pipe 4 rotates, and then the surrounding of the position of the walking vehicle 1 can be sprayed and dust-settled, and the dust-settling is more comprehensive; the motor driving screw 3 is started by the controller, and the moving seat 302 is driven to reciprocate along the horizontal direction of the screw 3 under the guidance of the guide rod 301, and then the stand 303 is driven to move and adjust along the horizontal direction at the top of the water tank 2, so that the spraying area of the atomizing nozzle 401 can also be increased in the case that the walking vehicle 1 is not pushed by anyone, and the spraying and dust-settling efficiency is further improved.

[0023] Embodiment two

[0024] As shown in Fig. 1 and Fig. 2 Compared with embodiment one, the stand 303 is provided with a protection assembly, the protection assembly comprises a protection cover 5 and a second hose 502; the protection cover 5 is rotationally connected to the outer circumferential surface of the stand 303, the atomizing nozzle 401 is arranged inside the protection cover 5, and the protection cover 5 is provided with an opening 504 corresponding to the atomizing nozzle 401; the second hose 502 is connected to the bottom end of the protection cover 5, and the other end of the second hose 502 penetrates through the moving seat 302 and is connected to the water tank 2.

[0025] Further, the outer circumferential surface of the stand 303 is provided with an annular seat 305, the protection cover 5 is provided with a second annular groove 501, the first annular groove 304 is rotationally connected to the second annular groove 501, the bottom end of the protection cover 5 is provided with a sliding seat 503, the sliding seat 503 is connected to the outer circumferential surface of the stand 303 through bolts, and the outer circumferential surface of the stand 303 is provided with a plurality of thread grooves corresponding to the bolts.

[0026] In this embodiment, the bolt is rotated to be separated from the thread groove on the outer circumferential surface of the stand 303, at this time the protection cover 5 can be driven to rotate along the stand 303, when the opening 504 is rotated and adjusted to a suitable angle, the bolt is rotated to be threadedly connected to the corresponding thread groove, and then the protection cover 5 can be fixed on the stand 303, the opening 504 will not interfere with the rotary spraying and dust-settling of the atomizing nozzle 401, the outer circumferential surface of the protection cover 5 and the position away from the opening 504 can block the water sprayed by the impeller 404, avoid the water sprayed by the atomizing nozzle 401 from interfering with the person or object in this direction, and bring convenience to use, the water blocked by the protection cover 5 is gathered at the bottom end inside the protection cover 5 and is returned to the water tank 2 through the second hose 502 for repeated use, and resource waste is avoided.

[0027] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to this, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A dust suppression apparatus for use in open cut coal mining, characterised in that, The utility model relates to a water tank (2) is equipped with horizontal moving mechanism at the top, and the water tank (2) is equipped with spraying mechanism at the top, and the spraying mechanism is driven by the horizontal moving mechanism and is adjusted along the water tank (2) top displacement, and the spraying mechanism is composed of stand (303), water inlet pipe (4) that rotates and connects stand (303) and atomizing nozzle (401) that is installed at the top of water inlet pipe (4), stand (303) is installed on the horizontal moving mechanism, and the bottom of stand (303) is connected with the water pump in the water tank (2) through first hose, and drive assembly is arranged in stand (303), and water inlet pipe (4) is driven and rotates and is connected with screw rod (3) through drive assembly, and the input end of water inlet pipe (4) corresponds with the output end of first hose. The horizontal moving mechanism comprises Two groups of fixed seats are arranged symmetrically on the top of the water tank (2); 2. An apparatus for reducing dust in strip coal mining according to claim 1, characterized in that, Screw rod (3) is rotatably connected between the two groups of fixed seats, and the screw rod (3) is driven to rotate by the motor installed on one of the two groups of fixed seats; A guide rod (301) is installed between the two groups of fixed seats; And a moving seat (302) is installed between the screw rod (3) and the guide rod (301). The drive assembly comprises A rotating seat (402) is installed at the bottom of the outer circumferential surface of the water inlet pipe (4), and the rotating seat (402) is rotatably connected with the inner wall of the stand (303); 3. An apparatus for reducing dust in strip coal mining according to claim 1, characterized in that, And a bracket (403) is connected with the rotating seat (402) at the top, and the bracket (403) is installed with an impeller (404) at the bottom, and the impeller (404) corresponds with the output end of the first hose. A drain valve (306) is installed at the bottom of the side wall of the stand (303), and the drain valve (306) is composed of a connecting pipe in communication with the stand (303) and a sealing cover screwing with the outer wall of the connecting pipe. The stand (303) is provided with a protection assembly, and the protection assembly comprises 4. An apparatus for reducing dust in strip coal mining according to claim 1, characterized in that, A protective cover (5) is rotatably connected with the outer circumferential surface of the stand (303), and the atomizing nozzle (401) is arranged in the protective cover (5), and an opening (504) corresponding to the atomizing nozzle (401) is formed in the protective cover (5); 5. An apparatus for reducing dust in strip coal mining according to claim 2, characterized in that, And a second hose (502) is connected with the bottom of the protective cover (5), and the other end of the second hose (502) penetrates through the moving seat (302) and is connected with the water tank (2). An annular seat (305) is arranged on the outer circumferential surface of the stand (303), a second annular groove (501) is formed in the protective cover (5), the first annular groove (304) is rotatably connected with the second annular groove (501), a sliding seat (503) is installed at the bottom of the protective cover (5), the sliding seat (503) is connected with the outer circumferential surface of the stand (303) through bolts, and a plurality of thread grooves corresponding to the bolts are arranged on the outer circumferential surface of the stand (303). ​ 6. A dust suppression apparatus for use in open cut coal mining according to claim 5, characterised in that, ​

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