CN113982673B - Dust removal system for surface mine exploitation - Google Patents

Abstract

The application discloses a dust removal system for surface mine exploitation, which is characterized in that: the dust collecting device comprises a base, a supporting plate is fixedly connected with the base, a hollow pipeline is fixedly connected with the supporting plate, a plurality of flow holes are formed in the pipeline, empty slots are formed in the supporting plate, an inner cavity of the pipeline is communicated with the empty slots, and a collecting mechanism used for collecting dust is arranged in the empty slots. The application has the effect of improving the exploitation efficiency.

Description

Dust removal system for surface mine exploitation

Technical Field

The application relates to the field of mining, in particular to a dust removal system for surface mining.

Background

The mine includes colliery, metal ore, nonmetallic ore, building materials ore and chemical ore etc. when needs are carried out the exploitation to the mine, need explode the mine earlier, and can produce a large amount of dust after the blasting, simultaneously in the exploitation, can float a large amount of dust in the air, and then can influence workman's healthy, also influence the inside field of vision definition of mountain, drags slow exploitation efficiency.

Disclosure of Invention

In order to improve mining efficiency, the application provides a dust removal system for surface mine mining.

The application provides a dust removal system for surface mine exploitation, which adopts the following technical scheme:

the utility model provides a surface mine exploitation dust pelletizing system, includes the base, base fixedly connected with backup pad, backup pad fixedly connected with is hollow pipeline, a plurality of flow holes have been seted up to the pipeline, the empty slot has been seted up to the backup pad inside, pipeline inner chamber and empty slot intercommunication set up, be provided with the collection mechanism that is used for collecting the dust in the empty slot.

Through adopting above-mentioned technical scheme, can place the base in the exploitation scene, through opening collection mechanism, collection mechanism collects the dust, makes the dust get into the pipeline from the circulation hole to collect in the empty slot, reduce the healthy influence of dust to the workman, reduce the influence of dust to the inside field of vision definition of mountain simultaneously, and then improve exploitation efficiency.

Optionally, the collection mechanism includes fixed connection in the pole setting in the empty tank, the pole setting is the spiral and encircles and be provided with the spiral plate, the backup pad is located the position of empty tank lower extreme and has seted up the exhaust vent with the empty tank intercommunication, be provided with the filter screen in the exhaust vent, the backup pad outer wall is provided with the air exhauster, the air exhauster passes through the tuber pipe and connects in the exhaust vent, the backup pad is provided with the processing assembly who is used for handling the dust.

Through adopting above-mentioned technical scheme, when the air exhauster was opened, make the dust can follow the circulation hole and get into in the pipeline to fall on the spiral plate in the empty slot, owing to the spiral plate is the heliciform and encircles the setting, can gather when making the dust remove along the spiral plate, reduce the dust and float in the empty slot.

Optionally, the processing component includes the water tank of fixed connection in the backup pad outer wall, the water tank passes through water pump fixedly connected with water pipe, the pole setting is the cavity setting, the water pipe is fixed and communicates in the pole setting inner chamber, a plurality of spraying holes have been seted up to the pole setting lateral wall, the spraying hole is arranged along pole setting circumference and is set up.

Through adopting above-mentioned technical scheme, when the dust gets into in the empty slot, the water tank passes through the water pump and carries water to the pole setting in, makes the water be atomizing blowout in the spray hole of pole setting, increases the gravity of the dust on the spiral plate, reduces the float of the dust in the empty slot, accelerates the dust subsides, can become the soil block when helping the dust to roll on the spiral plate simultaneously, is convenient for follow-up treatment.

Optionally, the intercommunication groove has been seted up to the empty groove bottom, the base is the cavity setting, intercommunication groove and base inner chamber intercommunication setting, the window has been seted up to the base lateral wall, the base is located one side border rotation of window and is connected with the apron that is used for closed window.

Through adopting above-mentioned technical scheme, the accessible intercommunication groove falls into in the base after the dust becomes the soil piece to through increasing the weight of base, make the base more firm, when the dust soil piece in the base is packed up and is required to wash, accessible opens the apron, takes out the dust soil piece from the window.

Optionally, pipeline fixedly connected with branch, branch fixedly connected with cross-section is isosceles triangle's collection piece, the collection piece is the cavity setting, the pipeline is located the position fixedly connected with runner pipe of runner hole, and a plurality of runner pipe is fixed and communicates in collection piece inner chamber, a plurality of dust absorption mouths have been seted up respectively to the both sides that the collection piece is located the runner pipe.

Through adopting above-mentioned technical scheme, because use excavating equipment exploitation in-process, the dust flies to the eminence from the low to make the dust of backup pad both sides can be at the in-process that upwards floats, by the dust absorption mouth of inhaling the collection piece both sides, and then get into in the runner pipe, fall into the empty slot at last and handle, increased the dust removal effect.

Optionally, two fixed plates of both sides of base respectively fixedly connected with, the fixed plate lower surface rotates and is connected with the support, the support rotates and is connected with the pulley, pulley butt in ground, the support rotates the cover and is equipped with the lantern ring, lantern ring fixedly connected with locating lever, the logical groove that supplies the locating lever to wear to establish is seted up to the fixed plate, it offers along the support direction of rotation to lead to the groove, works as when locating lever butt in the fixed plate lower surface, pulley butt in ground, works as when the locating lever wears to locate the logical groove, pulley and ground separation.

Through adopting above-mentioned technical scheme, through setting up the pulley, in order to be convenient for remove the base to the position of needs, from this when needs remove the base, rotate the support, make the support be vertical state, and pulley contact in ground, and with locating lever butt in the fixed plate lower surface, thereby make the pulley can stably support in ground, be convenient for remove the base, after removing the base to required position, in order to make the base can be more stable, thereby can rotate the locating lever to the position of alignment with logical groove, make the support can rotate, the locating lever is located logical inslot simultaneously, the support drives pulley and ground separation, make base lower extreme butt in ground, make the base place steadily.

Optionally, the spout has been seted up along vertically respectively to the both sides lateral wall of base, the spout slides and is connected with the slider, slider fixedly connected with shovel board, spout inner wall fixedly connected with spring, the one end fixedly connected with of spring in the one end of spout, the other end fixedly connected with of spring is in the slider lateral wall, the shovel board contacts in ground, just the shovel board is located one side that the base deviates from the fixed plate.

Through adopting above-mentioned technical scheme, when the rubble on ground is rolled to the pulley in the removal in-process for the base, lead to backup pad inside vibration, reduce life, from this when pulley contact ground, the shovel board is shoveled away ground rubble in pulley the place that makes the pulley pass and is reduced in rubble volume, simultaneously when packing up the pulley, make the base move down, when contact in ground, the shovel board still butt in ground, and spring deformation, the spring applys decurrent effort to the slider, make the slider drive the shovel board and applys decurrent tight force to ground, thereby make the base more firm.

Optionally, backup pad quantity sets up to a plurality of, adjacent be provided with the splice between the backup pad, the splice is including seting up the holding tank in backup pad one end, the holding tank internal rotation is connected with two pivots, pivot fixedly connected with concatenation gear, the other end fixedly connected with of backup pad is used for wearing to locate the splice in the holding tank of adjacent backup pad, the splice is located between two concatenation gears, the both sides lateral wall of splice fixedly connected with meshing respectively in the concatenation rack of concatenation gear, be provided with in the holding tank and be used for driving two concatenation gears and face opposite direction pivoted drive assembly, drive assembly connects in the pivot.

Through adopting above-mentioned technical scheme, can increase the quantity of backup pad according to the scope of exploitation scene to splice backup pad each other, constitute one side dust removal wall, increase dust removal area, thereby can insert the splice into the holding tank, make the splice piece drive the concatenation rack and be located between two concatenation gears, drive assembly opens simultaneously, drive pivot rotates, makes two concatenation gears rotate towards opposite direction, thereby make two concatenation gears and concatenation rack engagement, make the splice piece remove towards holding tank bottom direction, and then splice between two adjacent backup pads.

Optionally, the drive assembly is including rotating the cross axle of connecting in the holding tank inner wall, the both ends of cross axle are fixedly connected with first drive helical gear and second drive helical gear respectively, first drive helical gear sets up with the opposite direction of the soon of second drive helical gear, two the one end of pivot is fixedly connected with first cooperation helical gear and second cooperation helical gear respectively, first cooperation helical gear meshing is in first drive helical gear, second cooperation helical gear meshing is in second drive helical gear, holding tank inner wall fixedly connected with motor, motor output shaft fixedly connected with worm, cross axle fixedly connected with meshes in the worm wheel of worm.

Through adopting above-mentioned technical scheme, motor drive worm rotates, makes the cross axle drive first drive helical gear and the synchronous rotation of second drive helical gear, because the opposite direction of rotation of first drive helical gear and second drive helical gear to make first cooperation helical gear and second cooperation helical gear drive the opposite direction of rotation of two pivots, and then make two concatenation gear rotation opposite direction, make the concatenation piece can remove.

In summary, the present application includes at least one of the following beneficial technical effects:

can place the base in the exploitation scene, through opening collection mechanism, collection mechanism collects the dust, makes the dust get into the pipeline from the circulation hole to collect in the empty slot, reduce the healthy influence of dust to the workman, reduce the influence of dust to the inside field of vision definition of mountain simultaneously, and then improve exploitation efficiency.

The number of the supporting plates can be increased according to the range of the mining site, the supporting plates are mutually spliced to form a dust removing wall, the dust removing area is increased, the splicing blocks can be inserted into the accommodating grooves, the splicing blocks drive the splicing racks to be located between the two splicing gears, meanwhile, the driving assembly is started, the driving rotating shaft is driven to rotate, the two splicing gears are rotated towards opposite directions, the two splicing gears are meshed with the splicing racks, the splicing blocks are moved towards the bottom direction of the accommodating grooves, and then the adjacent two supporting plates are spliced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of a pipe in an embodiment of the application.

Fig. 3 is a schematic view of a structure for embodying the interior of the empty slot in the embodiment of the present application.

Fig. 4 is a schematic structural view of the support plate and the outer wall of the base according to the embodiment of the application.

Fig. 5 is an exploded view of a bracket and blade in an embodiment of the application.

Fig. 6 is a schematic view showing the structure of the inside of the accommodating groove in the embodiment of the present application.

FIG. 7 is a cross-sectional view of a segment used to embody an embodiment of the present application.

Reference numerals illustrate:

1. a base; 2. a support plate; 3. a pipe; 31. a flow hole; 32. a support rod; 33. collecting the blocks; 34. a flow pipe; 35. a dust collection port; 21. a hollow groove; 4. a collection mechanism; 41. a vertical rod; 42. a spiral plate; 43. an air suction port; 44. a filter screen; 45. an exhaust fan; 46. a processing assembly; 461. a water tank; 462. a water pipe; 463. a spray hole; 11. a communication groove; 12. a window; 13. a cover plate; 5. a fixing plate; 51. a bracket; 52. a pulley; 53. a collar; 54. a positioning rod; 55. a through groove; 6. a chute; 61. a slide block; 62. a shovel plate; 63. a spring; 7. a splice; 71. a receiving groove; 72. a rotating shaft; 73. splicing gears; 74. splicing blocks; 75. splicing racks; 8. a drive assembly; 81. a horizontal axis; 82. a first drive bevel gear; 83. a second driving helical gear; 84. a first mating helical gear; 85. a second mating helical gear; 86. a motor; 87. a worm; 88. a worm wheel.

Detailed Description

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a dust removal system for surface mine exploitation. Referring to fig. 1 and 2, an opencast mining dust pelletizing system is including being horizontally base 1, and base 1 is rectangular form setting, and base 1 upper surface welding has and is vertical backup pad 2, and backup pad 2 is rectangular shape setting, and backup pad 2 length direction is the level setting. The welding of backup pad 2 upper end has and is horizontal pipeline 3, and pipeline 3 is hollow cylinder setting, and pipeline 3 sets up along the length direction of backup pad 2, and a plurality of circulation holes 31 have been seted up to pipeline 3 upper end, and a plurality of circulation holes 31 are arranged along pipeline 3 length direction equidistance and are set up.

Referring to fig. 2 and 3, a vertical strut 32 is welded at the upper end of the pipeline 3, a horizontal collecting block 33 is welded at the upper end of the strut 32, the collecting block 33 is located right above the pipeline 3, the cross section of the collecting block 33 is in an isosceles triangle shape, and the collecting block 33 is in a hollow shape. The pipeline 3 is located the position welding of circulation hole 31 and has and be vertical runner pipe 34, and a plurality of runner pipes 34 welding just communicate in collection piece 33 inner chamber, and collection piece 33 is located the both sides of runner pipe 34 and has offered a plurality of dust absorption mouths 35 respectively, and a plurality of dust absorption mouths 35 are arranged along collection piece 33 length direction equidistance and are set up.

Referring to fig. 3 and 4, a cylindrical hollow groove 21 is formed in the support plate 2 in the longitudinal direction, the upper end of the hollow groove 21 is communicated with the inner cavity of the pipeline 3, and a collecting mechanism 4 is arranged in the hollow groove 21. The collecting mechanism 4 comprises a vertical rod 41 welded on the inner wall of the empty groove 21, the vertical rod 41 is vertically arranged, a spiral plate 42 is spirally arranged around the vertical rod 41, and the side edge of the spiral plate 42 is abutted on the inner wall of the empty groove 21. The support plate 2 is located the position of empty slot 21 lower extreme and transversely has seted up exhaust opening 43, and exhaust opening 43 is located the top setting of screw plate 42 lower extreme, exhaust opening 43 and empty slot 21 intercommunication, and exhaust opening 43 internal fixation has filter screen 44. The outer wall of the supporting plate 2 is fixedly provided with an exhaust fan 45 through a screw, and the exhaust fan 45 is connected with the exhaust opening 43 through an air pipe.

Referring to fig. 3 and 4, the support plate 2 is provided with a treating assembly 46, and the treating assembly 46 includes a water tank 461 fixed to an outer wall of the support plate 2, the water tank 461 being fixed with a water pipe 462 by a water pump. The pole setting 41 is the cavity setting, and a plurality of groups of spraying holes 463 have been seted up to pole setting 41, and spraying holes 463 make water be atomizing form blowout, and a plurality of groups of spraying holes 463 arrange the setting along pole setting 41 circumference equidistance, and a plurality of spraying holes 463 in every group of spraying holes 463 arrange the setting along pole setting 41 axial equidistance simultaneously, and water pipe 462 deviates from the one end of water tank 461 and is fixed and communicate in pole setting 41 inner chamber.

Referring to fig. 3 and 4, the base 1 is hollow, the bottom of the hollow groove 21 is provided with a communication groove 11 along the longitudinal direction, and the communication groove 11 is communicated with the inner cavity of the base 1, so that the accumulated soil in the hollow groove 21 falls into the inner cavity of the base 1 through the communication groove 11, the stability of the base 1 is increased, and the base 1 is more stable. Meanwhile, a window 12 for cleaning the soil accumulation in the inner cavity by an operator is formed in the side wall of the base 1, and a cover plate 13 for closing the window 12 is hinged to the upper edge of the base 1 positioned on the window 12.

Referring to fig. 4, two horizontal fixing plates 5 are welded on two side walls of the base 1, four fixing plates 5 are located at four corners of the base 1, a bracket 51 is hinged to the lower surface of the fixing plate 5, and a rotation plane of the bracket 51 is parallel to a plane where the support plate 2 is located. One end of the bracket 51, which is away from the fixed plate 5, is rotatably connected with a pulley 52 through a bearing, the axial direction of the pulley 52 is horizontally arranged, the axial direction of the pulley 52 is parallel to the width direction of the base 1, and when the bracket 51 is in a vertical state, the pulley 52 is contacted with the ground.

Referring to fig. 5, in order to position the bracket 51, the bracket 51 is provided with a ring-shaped collar 53 through a bearing rotating sleeve, a positioning rod 54 is welded to the outer wall of the collar 53, the positioning rod 54 is arranged in parallel with the bracket 51, one end of the positioning rod 54, which is away from the collar 53, is abutted against the lower surface of the fixed plate 5, and the pulley 52 can be stably abutted against the ground. One end of the fixed plate 5 is longitudinally provided with a through groove 55 for the positioning rod 54 to penetrate, the length of the through groove 55 is longer than that of the positioning rod 54, the through groove 55 is arranged along the rotating direction of the support 51, the lantern ring 53 is rotated, the lantern ring 53 drives the positioning rod 54 to move to be aligned with the through groove 55, the positioning rod 54 penetrates into the through groove 55, the support 51 is horizontally rotated, the pulley 52 is separated from the ground, and the lower surface of the base 1 is supported on the ground.

Referring to fig. 5, in order to prevent the broken stone on the ground from jolting when the base 1 moves along the longitudinal direction thereof, the parts in the support plate 2 vibrate, whereby the side walls on both sides of the base 1 are respectively provided with a slide groove 6 having a T-shaped cross section in the longitudinal direction, and the slide groove 6 is slidably connected with a slide block 61 having a T-shaped cross section. The slider 61 stretches out the end welding and has and is horizontal shovel board 62, and shovel board 62 extends along base 1 width direction and sets up, and shovel board 62 length is greater than the width of fixed plate 5, and shovel board 62 includes perpendicular portion and horizontal portion simultaneously, and perpendicular portion sets up with horizontal portion an organic whole, and shovel board 62 horizontal portion contacts in ground, and shovel board 62 erects the upper end and is higher than fixed plate 5, and shovel board 62 is located one side setting that base 1 deviates from fixed plate 5 simultaneously.

Referring to fig. 5, next, a spring 63 is welded to the inner wall of the upper end of the chute 6, one end of the spring 63 is welded to the upper end of the chute 6, the other end of the spring 63 is welded to the upper surface of the slider 61, when the pulley 52 is separated from the ground, the lower surface of the base 1 is in contact with the ground, the lateral part of the shovel 62 is always in contact with the ground, at this time, the spring 63 is compressed, when the pulley 52 is in contact with the ground, the lower surface of the base 1 is separated from the ground, and due to the elastic force of the spring 63, the lateral part of the shovel 62 can still be in contact with the ground, so that broken stone on the ground can be shoveled.

Referring to fig. 6 and 7, the number of the support plates 2 is set to be a plurality, and the splicing pieces 7 are arranged between two adjacent support plates 2, so that the plurality of support plates 2 can be spliced according to the field exploitation range, and the dust removal range can be adjusted. The splicing member 7 comprises an accommodating groove 71 transversely arranged at one end of the supporting plate 2, two vertical rotating shafts 72 are rotatably connected in the accommodating groove 71 through bearings, and splicing gears 73 are coaxially fixed on the rotating shafts 72. The other end of the support plate 2 is welded with a horizontal splicing block 74, and the splicing block 74 is used for being penetrated in the accommodating groove 71 of the adjacent support plate 2. When the splice block 74 is positioned in the accommodating groove 71, the splice block 74 is positioned between the two splice gears 73, the horizontal splice racks 75 are welded on the side walls of the two sides of the splice block 74 respectively, and the splice racks 75 are engaged with the splice gears 73.

Referring to fig. 6, a driving assembly 8 for driving the rotating shaft 72 to rotate is disposed in the accommodating groove 71, the driving assembly 8 includes a transverse shaft 81 rotatably connected to an inner wall of the accommodating groove 71 through a bearing, the transverse shaft 81 is horizontally disposed, two ends of the transverse shaft 81 are coaxially fixed with a first driving helical gear 82 and a second driving helical gear 83, and spiral lines of the first driving helical gear 82 and the second driving helical gear 83 are opposite in rotation direction. The lower ends of the two rotating shafts 72 are respectively coaxially fixed with a first mating helical gear 84 and a second mating helical gear 85, the first mating helical gear 84 is meshed with the first driving helical gear 82, and the second mating helical gear 85 is meshed with the second driving helical gear 83. The motor 86 is fixed on the inner wall of the lower surface of the accommodating groove 71 through a screw, the worm 87 is coaxially fixed on the output shaft of the motor 86, and the worm wheel 88 meshed with the worm 87 is coaxially fixed on the cross shaft 81, so that when the cross shaft 81 rotates, the two rotating shafts 72 can be driven to rotate reversely, the rotating directions of the two splicing gears 73 are opposite, the two splicing racks 75 can be synchronously meshed with the two splicing gears 73, and the splicing blocks 74 are driven to penetrate the accommodating groove 71.

The implementation principle of the embodiment of the application is as follows: the support plates 2 can be spliced according to the range of the mining site, the dust removal range is enlarged, so that the splicing block 74 can be inserted between the two splicing gears 73, and the two rotating shafts 72 are rotated in opposite directions by starting the motor 86, so that the splicing gears 73 pull the splicing racks 75 into the accommodating grooves 71, and the splicing and fixing of the two adjacent support plates 2 are completed; then, by opening the exhaust fan 45, dust can enter the empty groove 21 through the dust collection opening 35 and slide downwards along the spiral plate 42, and meanwhile, water is sprayed out in an atomized form from the spraying holes 463 to humidify the dust, so that sedimentation is quickened, the dust is facilitated to form soil blocks and falls into the inner cavity of the base 1;

secondly, when the base 1 is moved, the positioning rod 54 is abutted against the lower surface of the fixed plate 5, so that the pulley 52 is supported on the ground, meanwhile, the shovel plate 62 is abutted against the ground, broken stone on the ground is shoveled off, the influence of broken stone on the pulley 52 is reduced, when the base 1 is moved to a proper position, the collar 53 is rotated, the positioning rod 54 is rotated to a position aligned with the through groove 55, so that the support 51 can be rotated to a horizontal state from a vertical state, the positioning rod 54 is positioned in the through groove 55, the pulley 52 is separated from the ground, the lower surface of the base 1 is supported on the ground, and meanwhile, the shovel plate 62 applies downward abutting force on the ground under the action of the spring 63, so that the stability of the base 1 is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a dust pelletizing system for surface mine exploitation which characterized in that: the dust collecting device comprises a base (1), wherein the base (1) is fixedly connected with a supporting plate (2), the supporting plate (2) is fixedly connected with a hollow pipeline (3), a plurality of flow holes (31) are formed in the pipeline (3), a hollow groove (21) is formed in the supporting plate (2), an inner cavity of the pipeline (3) is communicated with the hollow groove (21), and a collecting mechanism (4) for collecting dust is arranged in the hollow groove (21); the collecting mechanism (4) comprises a vertical rod (41) fixedly connected in the empty groove (21), the vertical rod (41) is spirally wound and provided with a spiral plate (42), an exhaust port (43) communicated with the empty groove (21) is formed in the position of the lower end of the supporting plate (2) located at the empty groove (21), a filter screen (44) is arranged in the exhaust port (43), an exhaust fan (45) is arranged on the outer wall of the supporting plate (2), the exhaust fan (45) is connected with the exhaust port (43) through an air pipe, and a processing assembly (46) for processing dust is arranged on the supporting plate (2); the processing assembly (46) comprises a water tank (461) fixedly connected to the outer wall of the supporting plate (2), the water tank (461) is fixedly connected with a water pipe (462) through a water pump, the vertical rod (41) is in a hollow arrangement, the water pipe (462) is fixedly connected with the inner cavity of the vertical rod (41), a plurality of spraying holes (463) are formed in the side wall of the vertical rod (41), and the spraying holes (463) are arranged along the circumferential direction of the vertical rod (41).

2. A surface mining dust removal system as set forth in claim 1, wherein: the novel plastic bottle is characterized in that a communicating groove (11) is formed in the bottom of the empty groove (21), the base (1) is in a hollow structure, the communicating groove (11) is communicated with the inner cavity of the base (1), a window (12) is formed in the side wall of the base (1), and a cover plate (13) for closing the window (12) is rotationally connected to one side edge of the base (1) located on the window (12).

3. A surface mining dust removal system as set forth in claim 1, wherein: pipeline (3) fixedly connected with branch (32), branch (32) fixedly connected with cross-section is isosceles triangle's collection piece (33), collection piece (33) are the cavity setting, pipeline (3) are located the position fixedly connected with runner pipe (34) of runner hole (31), and a plurality of runner pipe (34) are fixed and communicate in collection piece (33) inner chamber, collection piece (33) are located the both sides of runner pipe (34) and have seted up a plurality of dust absorption mouths (35) respectively.

4. A surface mining dust removal system as set forth in claim 1, wherein: two sides of base (1) are two fixed plates (5) of fixedly connected with respectively, fixed plate (5) lower surface rotates and is connected with support (51), support (51) rotate and are connected with pulley (52), pulley (52) butt in ground, support (51) rotate the cover and are equipped with lantern ring (53), lantern ring (53) fixedly connected with locating lever (54), fixed plate (5) have been seted up and have been supplied logical groove (55) that locating lever (54) worn to establish, logical groove (55) are offered along support (51) rotation direction, works as locating lever (54) butt is in fixed plate (5) lower surface time, pulley (52) butt in ground, works as when locating lever (54) wear to locate logical groove (55), pulley (52) and ground separation.

5. The surface mining dust removal system of claim 4, wherein: the utility model discloses a base, including base (1), slider (61), slider (6) inner wall fixedly connected with spring (63), the one end fixedly connected with of spring (63) in the one end of slider (6), the other end fixedly connected with of spring (63) is in slider (61) lateral wall, slider (62) contact in ground, just slider (62) are located one side that base (1) deviates from fixed plate (5).

6. A surface mining dust removal system as set forth in claim 1, wherein: the utility model provides a splice, including backup pad (2) quantity sets up to a plurality of, adjacent be provided with splice (7) between backup pad (2), splice (7) are including seting up in holding tank (71) of backup pad (2) one end, holding tank (71) internal rotation is connected with two pivots (72), pivot (72) fixedly connected with concatenation gear (73), the other end fixedly connected with of backup pad (2) is used for wearing to locate splice piece (74) in holding tank (71) of adjacent backup pad (2), splice piece (74) are located between two concatenation gears (73), the both sides lateral wall of splice (74) are fixedly connected with respectively and are engaged in concatenation rack (75) of concatenation gear (73), be provided with in holding tank (71) and be used for driving two concatenation gears (73) and rotate drive assembly (8) towards opposite direction, drive assembly (8) are connected in pivot (72).

7. The surface mining dust removal system of claim 6, wherein: the driving assembly (8) comprises a transverse shaft (81) which is rotationally connected to the inner wall of the accommodating groove (71), a first driving bevel gear (82) and a second driving bevel gear (83) are fixedly connected to the two ends of the transverse shaft (81), the rotation directions of the first driving bevel gear (82) and the second driving bevel gear (83) are opposite, one end of the rotating shaft (72) is fixedly connected with a first matching bevel gear (84) and a second matching bevel gear (85) respectively, the first matching bevel gear (84) is meshed with the first driving bevel gear (82), the second matching bevel gear (85) is meshed with the second driving bevel gear (83), a motor (86) is fixedly connected to the inner wall of the accommodating groove (71), a worm (87) is fixedly connected to an output shaft of the motor (86), and the transverse shaft (81) is fixedly connected with a worm gear (88) meshed with the worm (87).