Movable dust falling assembly for surface mine exploitation

Abstract

The invention belongs to the technical field of mining, and particularly relates to a movable dust falling assembly for surface mining, which comprises a bottom plate, a U-shaped supporting plate is arranged on the top surface of the bottom plate, a circular shaft is rotatably connected to the top surface of the bottom plate, and the top end of the circular shaft is rotatably connected with the supporting plate. A water storage cylinder is arranged on the inner side, close to the top surface, of the supporting plate, a water spraying cylinder is fixedly connected to the left end of the water storage cylinder, a pressure cylinder is fixedly connected to the inner wall of the water spraying cylinder, and a spraying assembly is arranged on the end face of the water spraying cylinder; two rotating shafts are fixedly connected to the side wall of the water storage cylinder in a front-back symmetry mode, the other ends of the rotating shafts are rotationally connected with the supporting plate, a protective shell is fixedly connected to the front side wall of the supporting plate, and an angle adjusting assembly is arranged in the protective shell. The angle can be manually or electrically adjusted according to requirements, meanwhile, the angle of the atomizing nozzle can be changed, and the dust falling efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of mining, and in particular relates to a mobile dust reduction component used in open-pit mining. Background Art

[0002] During the mining process in open-pit mines, due to blasting and transportation in the mines, the dust in the site is large and dust reduction treatment is required in time. Dust reduction treatment can protect the health of workers. The dust in open-pit mines contains a variety of harmful substances, such as silica dust. Long-term inhalation of these dusts can cause workers to suffer from pneumoconiosis, respiratory diseases, etc. Dust reduction can effectively reduce dust concentration and reduce the risk of workers getting sick.

[0003] The second is to reduce environmental pollution. Mine dust drifts to surrounding areas, affecting air quality. A large amount of dust will also settle on the surface of soil and water bodies. Dust reduction measures can prevent dust from damaging the surrounding ecological environment and help maintain regional ecological balance.

[0004] The second is to improve the safety of operations. Too much dust will reduce visibility at the work site, which can easily lead to accidents in mining and transportation. For example, on the transportation road, if the dust is diffused, it will block the driver's vision and cause accidents such as vehicle collisions. Dust reduction can improve this situation and ensure the safety of operations.

[0005] Existing dust reduction facilities in mines generally use dust reduction vehicles or atomizing water cannons. Although they can achieve dust reduction effects, when transporting or mining coal or ores in open-pit mines, multiple dust reduction vehicles are often required to be used in coordination at different angles. Due to the high cost of purchasing dust reduction vehicles, it is a high expense for enterprises, which not only increases mining costs, but also increases subsequent maintenance costs. In addition, traditional atomizing water cannons need to manually rotate the spray angle of the water cannon during the spraying of atomized water to expand the spraying range. Due to the large size of open-pit mines, manual angle adjustment is difficult to meet a wide range of dust reduction needs, so a more flexible method is needed to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a mobile dust reduction component for open-pit mining, which can adjust the angle manually or electrically according to needs, and at the same time can change the angle of the atomizing nozzle to enhance the dust reduction efficiency.

[0007] The technical solution adopted by the present invention is as follows:

[0008] A mobile dust suppression assembly for open-pit mining comprises a bottom plate, a support plate is arranged on the top surface of the bottom plate, the support plate is arranged in a U shape, a circular shaft is rotatably connected to the top surface of the bottom plate, the top end of the circular shaft is rotatably connected to the support plate, a water storage cylinder is arranged on the inner side of the support plate near the top surface, a water spray cylinder is fixedly connected to the left end of the water storage cylinder, a pressure cylinder is fixedly connected to the inner wall of the water spray cylinder, and a spray assembly is arranged on the end surface of the water spray cylinder;

[0009] The water storage cylinder side wall is symmetrically fixedly connected to two rotating shafts at the front and rear ends, the other ends of the rotating shafts are rotatably connected to the support plate, the front side wall of the support plate is fixedly connected to a protective shell, and an angle adjustment component is arranged in the protective shell;

[0010] The bottom surface of the bottom plate is equipped with moving wheels near the four corners, and the top surface of the bottom plate is provided with a water supply component.

[0011] The spray assembly includes a plurality of through holes opened on the end surface of the water spray cylinder, the through holes are distributed in two circles in a circular array, atomizing nozzles are movably connected in the through holes, one end of the atomizing nozzle is fixedly connected to a hose, the other end of the hose is fixedly connected to the same annular tube, the annular tube is connected to the pressure cylinder, and a swing assembly is arranged on the atomizing nozzle.

[0012] The swing assembly includes an annular plate sleeved on the atomizing nozzle, a connecting plate is fixedly connected between the two annular plates on the same side, two movable shafts are symmetrically fixedly connected to the side walls of the atomizing nozzle, the other ends of the movable shafts are rotatably connected to the annular plates, a plurality of support plates are fixedly connected to the end face of the water spray cylinder, the connecting plate passes through the support plate and is movably connected to the support plate, the side wall of the connecting plate is located between the support plate and the annular plate and is sleeved with a spring, the atomizing nozzle located on the outer circle swings at intervals, and a transmission member is provided on the end face of the water spray cylinder.

[0013] The transmission member includes a first motor fixedly mounted on the inner wall of the water spray barrel, the output end of the first motor passes through the water spray barrel and is rotatably connected thereto, a cam is fixedly connected to the end face of the output end of the first motor, and a movable wheel is mounted on the side wall of the annular plate close to the center of the water spray barrel, and the movable wheels are all against the side wall of the cam.

[0014] The angle adjustment assembly includes a worm wheel fixedly connected to the end face of the front rotating shaft, a worm is rotatably connected to the inner wall of the protective shell, the worm wheel is meshed with the worm, a first bevel gear is fixedly connected to the side wall of the worm, a second bevel gear is meshed on the front side of the first bevel gear, a rocker is fixedly connected to the end face of the second bevel gear, the rocker passes through the protective shell and is rotatably connected thereto, a second motor is fixedly mounted on the bottom surface of the inner cavity of the protective shell, and an output shaft of the second motor is fixedly connected to the bottom end of the worm.

[0015] The water supply assembly comprises a pressure pump installed on the top surface of the bottom plate, and the side walls of the pressure pump are respectively fixedly connected with a water inlet pipe and a water outlet pipe, and the other end of the water outlet pipe is connected to the water storage cylinder.

[0016] The inner wall of the through hole is spherical, and a spherical block is fixedly connected to the side wall of the atomizing nozzle, and the spherical block is adapted to the through hole.

[0017] The top surface of the bottom plate is fixedly connected with a baffle.

[0018] A pressure ring is fixedly connected to the inner wall of the water storage cylinder, and the right end surface of the pressure ring is inclined.

[0019] The technical effects achieved by the present invention are:

[0020] A mobile dust reduction component for open-pit mining of the present invention cooperates with each other among a base plate, a water storage cylinder, a water spray cylinder and an angle adjustment component. When performing dust reduction work, manual adjustment or electric adjustment can be selected according to the dust reduction range. When the dust reduction site is small, the angle of the water spray cylinder can be changed by manually turning the rocker. When the dust reduction site is large, the second motor can be used to quickly adjust the angle, thereby increasing its flexibility of use.

[0021] A mobile dust reduction assembly for open-pit mine development of the present invention cooperates with each other among a water storage cylinder, a water spray cylinder, an atomizing nozzle, a swing assembly and a transmission assembly, so that a part of the atomizing nozzle is arranged in a movable form and the other part is arranged in a fixed form. During the dust reduction process, the dispersion efficiency and atomization range of the atomized water can be increased, thereby increasing the atomization divergence range of the atomized water in the air and improving the dust reduction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a stereogram of an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of a partial structure of an embodiment of the present invention;

[0024] Figure 3 is a partial cross-sectional structural schematic diagram of an embodiment of the present invention;

[0025] Figure 4 Schematic diagram of the structure of the atomizing nozzle distribution of the embodiment of the present invention;

[0026] Figure 5 is a schematic structural diagram of an angle adjustment assembly according to an embodiment of the present invention;

[0027] Figure 6 is a schematic structural diagram of a swing assembly according to an embodiment of the present invention;

[0028] Figure 7 Embodiment of the present invention Figure 3Enlarged view of point A in .

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1. Bottom plate; 2. Support plate; 3. Round shaft; 4. Water storage cylinder; 5. Water spray cylinder; 6. Through hole; 7. Atomizing nozzle; 8. Hose; 9. Ring pipe; 10. Pressure cylinder; 11. Rotating shaft; 12. Worm gear; 13. Worm; 14. Second motor; 15. First bevel gear; 16. Pressure ring; 17. Second bevel gear; 18. Rocker; 19. Ring plate; 20. Connecting plate; 21. Movable shaft; 22. Support plate; 23. Spring; 24. Movable wheel; 25. Cam; 26. Spherical block; 27. Pressure pump; 28. Water outlet pipe; 29. ​​Water inlet pipe; 30. Moving wheel; 31. Baffle; 32. First motor; 33. Protective shell. DETAILED DESCRIPTION

[0031] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0032] like Figure 1-Figure 7 As shown, a mobile dust suppression assembly for open-pit mine development includes a bottom plate 1, a support plate 2 is arranged on the top surface of the bottom plate 1, the support plate 2 is arranged in a U shape, a circular shaft 3 is rotatably connected to the top surface of the bottom plate 1, the top end of the circular shaft 3 is rotatably connected to the support plate 2, a water storage cylinder 4 is arranged on the inner side of the support plate 2 near the top surface, a water spray cylinder 5 is fixedly connected to the left end of the water storage cylinder 4, a pressure cylinder 10 is fixedly connected to the inner wall of the water spray cylinder 5, and a spray assembly is arranged on the end surface of the water spray cylinder 5;

[0033] Two rotating shafts 11 are symmetrically fixedly connected to the front and rear side walls of the water storage cylinder 4. The other end of the rotating shaft 11 is rotatably connected to the support plate 2. A protective shell 33 is fixedly connected to the front side wall of the support plate 2. An angle adjustment component is arranged in the protective shell 33.

[0034] The bottom surface of the bottom plate 1 is equipped with moving wheels 30 near the four corners, and the top surface of the bottom plate 1 is provided with a water supply component.

[0035] Among them, this solution is to assemble moving wheels 30 at the bottom of the base plate 1. In actual application, it can be moved by human push and pull, and can also be used by external traction equipment. In addition, this solution has a simple structure, excellent performance, and flexible operation, which makes its cost low and reduces procurement costs, which is conducive to the use of small, medium and large mines.

[0036] like Figure 3 and Figure 7As shown, the spray assembly includes a plurality of through holes 6 opened on the end surface of the water spray barrel 5, and the through holes 6 are distributed in two circles in a circular array. Atomizing nozzles 7 are movably connected in the through holes 6. A hose 8 is fixedly connected to one end of the atomizing nozzle 7, and the other end of the hose 8 is fixedly connected to the same annular tube 9. The annular tube 9 is connected to the pressure cylinder 10, and a swinging assembly is arranged on the atomizing nozzle 7.

[0037] Among them, there are two annular tubes 9, which are respectively connected to the atomizing nozzles 7 of the outer circle and the inner circle to provide water flow synchronously with the same water pressure. In addition, the pressure cylinder 10 can provide stable water pressure and be used in combination with the pressure pump 27 to facilitate the injection of water into the water storage cylinder 4 to prevent the phenomenon of flow interruption.

[0038] like Figure 3 and Figure 6 As shown, the swing assembly includes an annular plate 19 sleeved on the atomizing nozzle 7, a connecting plate 20 is fixedly connected between the two annular plates 19 on the same side, two movable shafts 21 are symmetrically fixedly connected to the side wall of the atomizing nozzle 7, and the other ends of the movable shafts 21 are rotatably connected to the annular plate 19, and a plurality of support plates 22 are fixedly connected to the end surface of the water spray tube 5. The connecting plate 20 penetrates the support plate 22 and is movably connected to it. The side wall of the connecting plate 20 is located between the support plate 22 and the annular plate 19 and is sleeved with a spring 23. The atomizing nozzle 7 located in the outer circle swings at intervals, and a transmission member is provided on the end surface of the water spray tube 5.

[0039] Specifically, if the number of the inner circle through holes 6 is ten, the number of the outer circle through holes 6 is twenty, and the outer circle atomizing nozzle 7 is connected to the inner circle atomizing nozzle 7 at intervals through the annular plate 19 and the connecting plate 20. When the first motor 32 drives the cam 25 to rotate, the inner circle atomizing nozzle 7 and the outer circle interval atomizing nozzle 7 can be driven to swing, so as to expand the spraying area of ​​the atomized water.

[0040] In addition, the movable connection between the movable shaft 21 and the annular plate 19 can be in the following manner: a long hole or an arc hole is opened at the connection between the side wall of the annular plate 19 and the movable shaft 21, and the movable shaft 21 extends into the long hole or the arc hole and is movably connected with the annular plate 19. When the atomizing nozzle 7 is pushed to swing, the atomizing nozzle 7 performs an arc motion, while the annular plate 19 and the connecting plate 20 perform a linear motion. This movable connection method can offset the displacement difference between the two.

[0041] like Figure 3 and Figure 4 As shown, the transmission member includes a first motor 32 fixedly mounted on the inner wall of the water spray barrel 5, the output end of the first motor 32 passes through the water spray barrel 5 and is rotatably connected thereto, the end face of the output end of the first motor 32 is fixedly connected to a cam 25, and the side wall of the annular plate 19 close to the center of the water spray barrel 5 is equipped with a movable wheel 24, and the movable wheels 24 are all against the side wall of the cam 25.

[0042] Among them, the first motor 32 is used to drive the cam 25 to realize the reciprocating control of multiple swing components, which has high practicality. If the horizontal spraying range of the traditional fixed atomizing nozzle 7 is five meters, the spraying range of the swinging atomizing nozzle 7 through this scheme is more than eight meters. Compared with the traditional fixed spraying, this scheme has better performance and is suitable for wide promotion and use.

[0043] like Figure 2 and Figure 5 As shown, the angle adjustment assembly includes a worm wheel 12 fixedly connected to the end face of the front rotating shaft 11, a worm 13 is rotatably connected to the inner wall of the protective shell 33, the worm wheel 12 is meshed with the worm 13, a first bevel gear 15 is fixedly connected to the side wall of the worm 13, a second bevel gear 17 is meshed on the front side of the first bevel gear 15, a rocker 18 is fixedly connected to the end face of the second bevel gear 17, the rocker 18 passes through the protective shell 33 and is rotatably connected thereto, a second motor 14 is fixedly installed on the bottom surface of the inner cavity of the protective shell 33, and the output shaft of the second motor 14 is fixedly connected to the bottom end of the worm 13.

[0044] Specifically, the second motor 14 adopts any one of a brushless DC motor, a synchronous motor, an asynchronous motor, a DC motor or a stepper motor. When these motors are not powered, the rotors can still rotate freely. These motors are designed without mechanical restrictions that prevent the rotors from rotating. Therefore, when the rocker 18 is manually rotated, the rotor in the second motor 14 can also rotate without affecting the operation of the manual control.

[0045] In addition, the rocker arm 18 adopts a detachable design. When electric drive is needed, the rocker arm 18 can be removed to avoid the safety hazard of the rocker arm 18 following the rapid rotation when the second motor 14 drives the water spray tube 5 to swing. Therefore, removing the rocker arm 18 will not cause any safety hazard, making the controllable flexibility higher.

[0046] like Figure 1 and Figure 2 As shown, the water supply assembly includes a pressure pump 27 installed on the top surface of the base plate 1, and the side walls of the pressure pump 27 are fixedly connected with a water inlet pipe 29 and a water outlet pipe 28, and the other end of the water outlet pipe 28 is connected to the water storage cylinder 4.

[0047] Among them, the water supply component adopts the commonly used pressure water supply method in the existing world, which belongs to conventional technology and is not the focus of this solution. Therefore, it will not be described in detail in this solution.

[0048] like Figure 7As shown, the inner wall of the through hole 6 is spherically arranged, and the side wall of the atomizing nozzle 7 is fixedly connected with a spherical block 26, which is adapted to the through hole 6. When the swing assembly drives the atomizing nozzle 7 to swing, the atomizing nozzle 7 can rotate in the through hole 6 through the spherical block 26, which, on the one hand, plays a limiting role to ensure the initial position of the atomizing nozzle 7, and on the other hand, can increase the sealing performance of the water spray barrel 5, and prevent the atomized water of the water spray from flowing back into the water spray barrel 5 through the through hole 6, causing erosion to the hose 8 and the annular tube 9.

[0049] like Figure 1-Figure 3 As shown, the top surface of the bottom plate 1 is fixedly connected with a baffle 31. In the process of spraying atomized water, if the end surface of the water spray tube 5 drops water drops, the water drops gather on the inner side of the baffle 31, and the water flow can be collected to prevent the water flow from falling on the ground, causing the soil to loosen, and causing the moving wheel 30 to sink.

[0050] like Figure 3 As shown, a pressure ring 16 is fixedly connected to the inner wall of the water storage cylinder 4, and the right end surface of the pressure ring 16 is inclined.

[0051] The pressure ring 16 can guide the water flow, thereby increasing the water flow velocity and allowing the water to quickly fill the water storage cylinder 4 and the pressure cylinder 10, thereby avoiding unstable water pressure or interruption of flow during the spraying process.

[0052] The working principle of the present invention is as follows: first, the device is moved to a suitable position, and then the water inlet pipe 29 is connected to an external water source. When dust reduction treatment is required, the pressure pump 27 is first started to transport water to the water storage cylinder 4 through the water outlet pipe 28. The water flows through the pressure ring 16 to reduce the cross section of the water flow and increase the water flow pressure, so that the water flow is collected in the pressure cylinder 10 and sprayed out through the atomizing nozzle 7.

[0053] At the same time, the first motor 32 is started, and the first motor 32 drives the cam 25 to rotate, and the tip of the cam 25 is used to support the movable wheel 24 to drive the annular plate 19 to move. At the same time, the spring 23 is in a state of continuous compression and rebound. The annular plate 19 drives the atomizing nozzle 7 to swing through the cooperation of the movable shaft 21 and the spherical block 26, so as to increase the atomization range of the atomized water;

[0054] Afterwards, you can choose a suitable angle adjustment method according to the size of the dust reduction site. When the dust reduction range is small, you can manually rotate the rocker 18 to drive the second bevel gear 17 to rotate, and the second bevel gear 17 engages with the first bevel gear 15 to drive the worm 13 to rotate, and the worm 13 engages with the worm wheel 12 to drive the rotating shaft 11 to rotate, and the rotating shaft 11 drives the water spray barrel 5 to swing up and down to achieve slow adjustment of the upper and lower angles; when the dust reduction range is large, you can directly start the second motor 14, and use the fast forward and reverse rotation of the second motor 14 to drive the rapid adjustment of the angle of the water spray barrel 5; in addition, you can also manually rotate the support plate 2 to drive the water spray barrel 5 to rotate left and right through the circular shaft 3, thereby effectively improving its dust reduction efficiency.

[0055] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A mobile dust suppression assembly for open-pit mining, characterized in that: The invention comprises a bottom plate (1), the top surface of the bottom plate (1) is provided with a support plate (2), the support plate (2) is arranged in a U shape, the top surface of the bottom plate (1) is rotatably connected to a circular shaft (3), the top end of the circular shaft (3) is rotatably connected to the support plate (2), a water storage cylinder (4) is arranged on the inner side of the support plate (2) near the top surface, the left end of the water storage cylinder (4) is fixedly connected to a water spray cylinder (5), the inner wall of the water spray cylinder (5) is fixedly connected to a pressure cylinder (10), and the end surface of the water spray cylinder (5) is provided with a spray assembly; Two rotating shafts (11) are symmetrically fixedly connected to the front and rear side walls of the water storage cylinder (4); the other end of the rotating shaft (11) is rotatably connected to the support plate (2); a protective shell (33) is fixedly connected to the front side wall of the support plate (2); and an angle adjustment component is arranged inside the protective shell (33); The bottom surface of the base plate (1) is equipped with moving wheels (30) near the four corners, and the top surface of the base plate (1) is provided with a water supply component.

2. The mobile dust suppression assembly for open-pit mining according to claim 1, characterized in that: The spray assembly comprises a plurality of through holes (6) provided on the end surface of a water spray barrel (5), wherein the through holes (6) are distributed in two circles in an annular array, and each of the through holes (6) is movably connected with an atomizing nozzle (7), one end of the atomizing nozzle (7) is fixedly connected with a hose (8), and the other end of the hose (8) is fixedly connected with the same annular tube (9), and the annular tube (9) is connected with a pressure barrel (10), and a swing assembly is provided on the atomizing nozzle (7).

3. The mobile dust suppression assembly for open-pit mining according to claim 2 is characterized by: The swing assembly comprises an annular plate (19) sleeved on the atomizing nozzle (7), a connecting plate (20) is fixedly connected between two annular plates (19) on the same side, two movable shafts (21) are symmetrically fixedly connected to the side wall of the atomizing nozzle (7), the other ends of the movable shafts (21) are rotatably connected to the annular plate (19), a plurality of support plates (22) are fixedly connected to the end surface of the water spray barrel (5), the connecting plate (20) penetrates the support plate (22) and is movably connected thereto, a spring (23) is sleeved on the side wall of the connecting plate (20) between the support plate (22) and the annular plate (19), the atomizing nozzle (7) located on the outer circle swings in an intermittent manner, and a transmission member is arranged on the end surface of the water spray barrel (5).

4. The mobile dust suppression assembly for open-pit mining according to claim 3 is characterized by: The transmission member comprises a first motor (32) fixedly mounted on the inner wall of the water spray barrel (5); an output end of the first motor (32) passes through the water spray barrel (5) and is rotatably connected thereto; a cam (25) is fixedly connected to the end face of the output end of the first motor (32); a movable wheel (24) is mounted on the side wall of the annular plate (19) close to the center of the water spray barrel (5); and the movable wheels (24) are in contact with the side wall of the cam (25).

5. The mobile dust suppression assembly for open-pit mining according to claim 1 is characterized by: The angle adjustment assembly comprises a worm wheel (12) fixedly connected to the end face of the front rotating shaft (11); the inner wall of the protective shell (33) is rotatably connected to a worm (13); the worm wheel (12) meshes with the worm (13); the side wall of the worm (13) is fixedly connected to a first bevel gear (15); the front side of the first bevel gear (15) meshes with a second bevel gear (17); the end face of the second bevel gear (17) is fixedly connected to a rocker (18); the rocker (18) passes through the protective shell (33) and is rotatably connected thereto; a second motor (14) is fixedly installed on the bottom face of the inner cavity of the protective shell (33); the output shaft of the second motor (14) is fixedly connected to the bottom end of the worm (13).

6. The mobile dust suppression assembly for open-pit mining according to claim 1, characterized in that: The water supply assembly comprises a pressure pump (27) mounted on the top surface of the base plate (1), the side walls of the pressure pump (27) being respectively fixedly connected with a water inlet pipe (29) and a water outlet pipe (28), and the other end of the water outlet pipe (28) is connected to the water storage cylinder (4).

7. The mobile dust suppression assembly for open-pit mining according to claim 2, characterized in that: The inner wall of the through hole (6) is spherical, and a spherical block (26) is fixedly connected to the side wall of the atomizing nozzle (7), and the spherical block (26) is adapted to the through hole (6).

8. The mobile dust suppression assembly for open-pit mining according to claim 1, characterized in that: A baffle (31) is fixedly connected to the top surface of the bottom plate (1).

9. The mobile dust suppression assembly for open-pit mining according to claim 1, characterized in that: A pressure ring (16) is fixedly connected to the inner wall of the water storage cylinder (4), and the right end surface of the pressure ring (16) is inclined.

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