CN112495897A

CN112495897A - A environmental protection efficient grit washs separator for mine coal-winning machine

Info

Publication number: CN112495897A
Application number: CN202011207101.8A
Authority: CN
Inventors: 常丹
Original assignee: Individual
Current assignee: Xuzhou Maiguan Machinery Equipment Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-16
Anticipated expiration: 2040-11-03
Also published as: CN112495897B

Abstract

The invention discloses an environment-friendly and efficient sand and stone cleaning and separating device for a mine coal mining machine, which belongs to the technical field of coal mining machines and comprises a substrate, the bottom of the base plate is provided with a base box, the base box is provided with a plurality of groups of screening devices, the bottom of the inner cavity of the base box is provided with a collecting box, the front end surface of the base box is open, the top of the base plate is provided with a cleaning device, the sand and stone cleaning and separating device of the mine coal mining machine can carry out rapid and efficient cleaning operation on the mining machine, and the coal mine adhered to the surface of the coal mining machine is fully washed down, so that the waste materials are collected and utilized again, this mine coal-winning machine's grit washs separator washes the back down with ore waste material again, can carry out automatic screening processing according to the particle size with ore material automatically, reduces artifical screening process in later stage and cost to the realization is unified to be collected the ore material of different particle sizes and is recycled.

Description

A environmental protection efficient grit washs separator for mine coal-winning machine

Technical Field

The invention relates to the technical field of coal mining machines, in particular to an environment-friendly and efficient sand and stone cleaning and separating device for a coal mining machine.

Background

Sand, which refers to a loose mixture of sand and gravel. Geology refers to mineral or rock particles with the particle size of 0.074-2 mm as sand, and those with the particle size larger than 2mm as gravel or breccia (the difference between the sand and the gravel is that the degree of rounding is different, and the detailed terms of conglomerate and sandstone can be seen).

With the vigorous development of the coal mine industry in China, coal mines are widely applied, and coal mining machines need to be cleaned and maintained after one day of work. At present, the coal mining machine is cleaned manually when being cleaned, the coal mining machine cannot be cleaned evenly and thoroughly, the cleaning efficiency is low, coal mine materials attached to the coal mining machine cannot be fully washed down and collected for utilization, in addition, most of the existing cleaning modes are cleaning at any place, so that the ore is not separated from the cleaning slurry, the method firstly pollutes underground water sources, blocks sewer pipes and does not meet the requirement of environmental protection, secondly, a large amount of agglomerated waste materials are piled up like a mountain and can not be recycled, and as is well known, the ore has different functions in the grain size, if the ore waste is reused, the ore waste needs to be sorted manually, so that the recycling is not thorough, and the recovery efficiency is low, which causes a great deal of waste of mine resources, so the environment-friendly and efficient sand and stone cleaning and separating device for the mine coal mining machine has practical value.

Disclosure of Invention

The invention aims to provide an environment-friendly and efficient sand and stone cleaning and separating device for a mine coal mining machine, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly and efficient sand and stone cleaning and separating device for a mine coal mining machine comprises a base plate, wherein a base plate box is arranged at the bottom of the base plate, a plurality of groups of screening devices are arranged on the base plate box, a collecting box is arranged at the bottom of an inner cavity of the base plate box, the front end surface of the base plate box is arranged in an open manner, a cleaning device is arranged at the top of the base plate, through holes are uniformly formed in the base plate in a penetrating manner, a vertical plate is arranged at one side of the top of the base plate, a horizontal plate is arranged at the top of the vertical plate, a lighting lamp is arranged at the bottom of the horizontal plate, a water tank is arranged at the top of the water tank, a speed reducing motor is welded at the top of the horizontal plate, a mounting frame is fixedly connected to one side of the bottom of the horizontal plate, which is, and the bearing seat is fixedly connected in the matched bearing groove inner cavity, a plurality of groups of screw sleeves are sleeved on the periphery of the screw rod, movable blocks are fixedly sleeved on the periphery of the screw sleeves, and one ends, far away from the mounting frame, of the movable blocks are connected with a transport box.

Preferably, the movable block is close to mounting bracket one side and all is connected with T type slider, the mounting bracket is close to T type slider one side and vertically sets up rather than the T type spacing groove that matches, just T type slider activity sets up among the T type spacing inslot chamber that matches.

Preferably, the cleaning device comprises a double-shaft motor, one group of output shafts of the double-shaft motor is connected with a driving stud, the other group of output shafts of the double-shaft motor is connected with a rotating mechanism, a motor fixing sleeve is sleeved on the periphery of the double-shaft motor, a connecting cross rod is connected on the periphery of the motor fixing sleeve, a driven stud is sleeved on the periphery of the driving stud, a supporting plate is arranged on one side of the outer wall of the driven stud, an inner limit slider is arranged on the other side of the outer wall of the driven stud, a nozzle fixing plate is arranged on the top of the supporting plate, a nozzle groove is transversely arranged on the nozzle fixing plate, a cleaning nozzle is inserted in an inner cavity of the nozzle groove, a screw hole is arranged on the top of the nozzle fixing plate in a penetrating manner, a clamping bolt matched with the inner cavity of the screw hole, and conveying pipes are connected between the water pump and the water tank and between the water pump and the cleaning spray head.

Preferably, a section of thick bamboo is protected outward to biax motor top, outer protecting cylinder welded fastening is in the diaphragm bottom, just the initiative double-screw bolt setting protects a section of thick bamboo inner chamber outward, outer protecting cylinder is close to backup pad one side and vertically is provided with the guide way that matches with the backup pad, just the backup pad is close to driven swivel nut one end and passes the guide way and extend to protect a section of thick bamboo inner chamber outward and driven swivel nut fixed connection, outer protecting cylinder inner chamber vertically is provided with the sliding chamber that matches with interior limit slider, just the activity sets up among the sliding chamber inner chamber that matches, connect horizontal pole fixed connection at the riser lateral wall.

Preferably, slewing mechanism includes the driven ring, the driven ring inner chamber is provided with the mobile jib, just the bottom of another set of output shaft of double-shaft motor welds with the top of mobile jib, the mobile jib lateral wall is connected with the poker rod, the poker rod bottom is connected with joint substrate, just joint substrate passes through bolt fixed connection in the driven ring bottom, the driven ring top is provided with the rotor plate, rotor plate bottom edge evenly is provided with passive sill bar, rotor plate bottom central authorities are provided with left sill post, the joint substrate bottom is connected with right sill post, just right sill post and left sill post periphery all cup joint and are fixed with outer bearing housing, the base plate top vertically runs through and is provided with the spread groove that matches with two sets of outer bearing housings, and two sets of outer bearing housing difference fixed connection is among the spread groove inner chamber that matches.

Preferably, the screening device comprises a side plate, a U-shaped frame is arranged at the top of the side plate, an electric telescopic rod is obliquely arranged between the U-shaped frame and the side plate, end plates are arranged at the top end and the bottom end of the electric telescopic rod, and the two groups of end plates are rotationally connected with the electric telescopic rods through a rotating shaft, the bottoms of the end plates connected with the electric telescopic rods are welded and fixed on the tops of the side plates, a joint rod is welded and fixed on the side wall of the end part board connected with the top end of the electric telescopic rod, the joint rod is arranged in the inner cavity of the U-shaped frame, the joint rod is rotationally connected with the U-shaped frame through a pin shaft, the front end face of the joint rod is provided with a screening bottom plate, and the connecting rod is rotatably connected with the screening bottom plate through a second pin shaft, screening holes are uniformly formed in the screening bottom plate in a penetrating mode, and an upper fixing cylinder is arranged at the top of the upper fixing cylinder.

Preferably, the screening bottom plate all sets up at base incasement chamber, just the screening bottom plate all rotates through two pivots with the base case to be connected, the multiunit the equal welded fastening of side board is at base incasement wall, the base case is close to side board one end and all vertically is provided with the groove of wearing that matches with the joint pole, just the joint pole is close to screening bottom plate one end and all passes the groove and extend to base incasement chamber, and the multiunit is by setting up from top to bottom the screening pore aperture that runs through the setting on the screening bottom plate is all different, and the multiunit the aperture in screening hole reduces in proper order.

Compared with the prior art, the invention has the beneficial effects that:

1. in the using process of the sand and stone cleaning and separating device of the mine coal mining machine, the coal mine car to be cleaned is placed on the transport box, and then the speed reduction motor drives the threaded sleeve to move upwards, so that the transport box drives the coal mine car to move upwards to the top of the rotating plate for cleaning operation, the coal mine car is prevented from being conveyed manually, the working efficiency of the device is improved, the T-shaped sliding block is used for limiting the movement of the movable block, the transport box is guaranteed to move in the vertical direction, deviation is avoided, and the stability of transportation is guaranteed;

2. the output shaft at the bottom end of the double-shaft motor drives the main rod to rotate, when the main rod rotates, the poke rod regularly drives the rotating plate to rotate through the driven bottom rod, so that the rotating plate drives the coal mining vehicle to perform regular rotating cleaning operation, meanwhile, under the driving of the output shaft at the top end of the double-shaft motor, the driving stud drives the driven threaded sleeve to perform up-and-down motion, so that the driven threaded sleeve drives the cleaning nozzle to perform up-and-down uniform cleaning treatment on the coal mining vehicle, and through the rotation and up-and-down cleaning of the coal mining vehicle, the high-efficiency and thorough cleaning operation of the coal mining vehicle is guaranteed;

3. the cleaned ore waste is guided into the inner cavity of the upper fixed cylinder through the through hole on the substrate, at the moment, the extension movement of the electric telescopic rod drives the connecting rod to rotate, and the connecting rod drives the screening bottom plate to swing back and forth while rotating, so that the ore waste is efficiently screened, the ore waste with different particle sizes can be rapidly screened through the screening hole, the ore waste with the minimum particle size is collected through the collecting box, the accumulated ore waste is rapidly screened and collected according to different particle sizes, the recycling and efficient utilization of resources are realized, and the environment is protected;

this mine coal-winning machine's grit washs separator can carry out high efficiency washing operation to the mining machine, and be stained with the coal mine that attaches on the coal-winning machine surface and fully wash down, thereby make the waste material obtain collecting utilization once more, and, this mine coal-winning machine's grit washs the separator back down with the ore waste material again, can carry out automatic screening processing according to the particle size with the ore material automatically, reduce artifical screening process in later stage and cost, and realize unifying the collection with the ore material of different particle sizes and recycle, make the ore resource can obtain abundant recovery and recycle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cleaning apparatus according to the present invention;

FIG. 3 is a bottom view of the rotating mechanism of the present invention;

fig. 4 is a schematic structural diagram of the screening device of the present invention.

In the figure: 1. a substrate; 2. a base case; 3. a vertical plate; 4. a cleaning device; 41. a double-shaft motor; 42. an active stud; 43. a rotating mechanism; 431. a main rod; 432. a poke rod; 433. a driven ring; 434. connecting the substrates; 435. a rotating plate; 436. a passive bottom bar; 437. a left bottom pillar; 44. a right bottom pillar; 45. an outer bearing sleeve; 46. a motor fixing sleeve; 47. connecting the cross bars; 48. a driven threaded sleeve; 49. an outer protective cylinder; 410. a top bearing housing; 411. a support plate; 412. an inner limit slide block; 413. a nozzle fixing plate; 414. cleaning the spray head; 415. clamping the bolt; 5. a screening device; 51. a side plate; 52. a U-shaped frame; 53. an electric telescopic rod; 54. an end plate; 55. a first rotating shaft; 56. a connecting rod; 58. screening the bottom plate; 59. a second rotating shaft; 510. screening holes; 511. an upper fixed cylinder; 6. a collection box; 7. a transverse plate; 8. a water tank; 9. a water pump; 10. a delivery pipe; 11. an illuminating lamp; 12. a reduction motor; 13. a mounting frame; 14. a screw; 15. a movable block; 16. a threaded sleeve; 17. a T-shaped slider; 18. a transport case; 19. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the invention provides a technical scheme of an environment-friendly and efficient sand and stone cleaning and separating device for a mine coal mining machine, which comprises the following steps: an environment-friendly and efficient sand and stone cleaning and separating device for a mine coal mining machine comprises a base plate 1, a base plate box 2 is arranged at the bottom of the base plate 1, a plurality of groups of screening devices 5 are arranged on the base plate box 2, a collecting box 6 is arranged at the bottom of an inner cavity of the base plate box 2, the front end face of the base plate box 2 is open, a cleaning device 4 is arranged at the top of the base plate 1, through holes are uniformly formed in the base plate 1 in a penetrating manner, a vertical plate 3 is arranged at one side of the top of the base plate 1, a transverse plate 7 is arranged at the top of the vertical plate 3, a lighting lamp 11 is arranged at the bottom of the transverse plate 7, a water tank 8 is arranged at the top of the horizontal plate 7, a water pump 9 is arranged at the top of the water tank 8, a speed reducing motor 12 is welded at the top of the transverse plate 7, a mounting frame 13, and bearing frame 19 fixed connection is in the bearing groove inner chamber that matches, screw 14 periphery cup joints and is provided with multiunit swivel nut 16, swivel nut 16 periphery all cup joints and is fixed with movable block 15, movable block 15 is kept away from mounting bracket 13 one end and all is connected with transport case 18, this mine coal mining machine's grit washs separator is in the use, through placing the coal mine car that needs to wash on transport case 18, again drive swivel nut 16 upward movement by gear motor 12, make transport case 18 drive coal mine car upward movement to rotor plate 435 top and carry out the cleaning operation, thereby avoid transporting the coal mine car through the manpower, help improving the device's work efficiency, carry out spacing processing through T type slider 17 to movable block 15 motion, thereby ensure transport case 18 moves in vertical direction, do not take place the skew, ensure the stability of transportation.

Referring to fig. 1, one side of the movable block 15 close to the mounting frame 13 is connected to a T-shaped sliding block 17, one side of the mounting frame 13 close to the T-shaped sliding block 17 is longitudinally provided with a T-shaped limiting groove matched with the T-shaped sliding block 17, and the T-shaped sliding block 17 is movably arranged in an inner cavity of the matched T-shaped limiting groove.

Referring to fig. 1 and 2, the cleaning device 4 includes a dual-shaft motor 41, one set of output shaft of the dual-shaft motor 41 is connected with a driving stud 42, the other set of output shaft of the dual-shaft motor 41 is connected with a rotating mechanism 43, a motor fixing sleeve 46 is sleeved on the periphery of the dual-shaft motor 41, a connecting cross bar 47 is connected on the periphery of the motor fixing sleeve 46, a driven swivel nut 48 is sleeved on the periphery of the driving stud 42, a supporting plate 411 is arranged on one side of the outer wall of the driven swivel nut 48, an inner limiting slide block 412 is arranged on the other side of the outer wall of the driven swivel nut 48, a nozzle fixing plate 413 is arranged on the top of the supporting plate 411, a nozzle groove is transversely arranged on the nozzle fixing plate 413, a cleaning nozzle 414 is inserted into the inner cavity of the nozzle groove, a screw hole is arranged on the top of the nozzle fixing plate 413 in a penetrating manner, the conveying pipes 10 are connected between the water pump 9 and the water tank 8 and between the water pump 9 and the cleaning nozzle 414.

Referring to fig. 1 and 2, an outer protective sleeve 49 is arranged above the double-shaft motor 41, the outer protective sleeve 49 is welded and fixed at the bottom of the transverse plate 7, the driving stud 42 is arranged in an inner cavity of the outer protective sleeve 49, a guide groove matched with the support plate 411 is longitudinally arranged on one side of the outer protective sleeve 49 close to the support plate 411, one end of the support plate 411 close to the driven threaded sleeve 48 penetrates through the guide groove and extends to the inner cavity of the outer protective sleeve 49 to be fixedly connected with the driven threaded sleeve 48, a sliding cavity matched with the inner limiting sliding block 412 is longitudinally arranged in the inner cavity of the outer protective sleeve 49, 421 is movably arranged in the inner cavity of the matched sliding cavity, and the connecting cross bar 47 is fixedly.

Referring to fig. 1, 2 and 3, the rotating mechanism 43 includes a driven ring 433, a main rod 431 is disposed in an inner cavity of the driven ring 433, a bottom end of another set of output shafts of the dual-shaft motor 41 is welded to a top end of the main rod 431, a poke rod 432 is connected to a side wall of the main rod 431, a connecting base plate 434 is connected to a bottom of the poke rod 432, the connecting base plate 434 is fixedly connected to a bottom of the driven ring 433 through bolts, a rotating plate 435 is disposed above the driven ring 433, driven bottom rods 436 are uniformly disposed at a bottom edge of the rotating plate 435, a left bottom column 437 is disposed at a center of a bottom of the rotating plate 435, a right bottom column 44 is connected to a bottom of the connecting base plate 434, outer bearing sleeves 45 are fixedly sleeved on peripheries of the right bottom column 44 and the left bottom column 437, connecting grooves matched with the two sets of outer bearing sleeves 45 are longitudinally penetrated through a top of the base plate 1, the, when the main rod 431 rotates, the poke rod 432 regularly drives the rotating plate 435 to rotate through the driven bottom rod 436, so that the rotating plate 435 drives the coal mining vehicle to perform regular rotating cleaning operation, meanwhile, under the driving of the output shaft at the top end of the double-shaft motor 41, the driving stud 42 drives the driven threaded sleeve 48 to perform up-and-down motion, so that the driven threaded sleeve 48 drives the cleaning nozzle 414 to perform up-and-down uniform cleaning treatment on the coal mining vehicle, and through the rotation and up-and-down cleaning of the coal mining vehicle, the efficient and thorough cleaning operation of the coal mining vehicle is ensured.

Referring to fig. 4, the sieving device 5 includes a side plate 51, a U-shaped frame 52 is disposed on the top of the side plate 51, an electric telescopic rod 53 is obliquely disposed between the U-shaped frame 52 and the side plate 51, end plates 54 are disposed on the top and bottom ends of the electric telescopic rod 53, and the two groups of end plates 54 are rotatably connected with the electric telescopic rods 53 through a first rotating shaft 55, the bottoms of the end plates 54 connected with the electric telescopic rods 53 are welded and fixed on the tops of the side plates 51, the side walls of the end plates 54 connected with the tops of the electric telescopic rods 53 are welded and fixed with connecting rods 56, the connecting rods 56 are arranged in the inner cavities of the U-shaped frames 52, and the joint rod 56 is rotationally connected with the U-shaped frame 52 through a pin shaft, the front end surface of the joint rod 56 is provided with a screening bottom plate 58, and the connecting rod 56 is rotatably connected with the sieving bottom plate 58 through a second pin shaft, sieving holes 510 uniformly penetrate through the sieving bottom plate 58, and an upper fixing cylinder 511 is arranged at the top of the upper fixing cylinder 511.

Referring to fig. 1 and 4, the sieving bottom plates 58 are all arranged in the inner cavity of the base box 2, the sieving bottom plates 58 are rotatably connected with the base box 2 through the second rotating shaft 59, the plurality of sets of side plates 51 are welded and fixed on the outer wall of the base box 2, the base box 2 is longitudinally provided with through grooves matched with the connecting rods 56 at one ends close to the side plates 51, the connecting rods 56 penetrate through the through grooves and extend to the inner cavity of the base box 2 at one ends close to the sieving bottom plates 58, the inner diameters of the plurality of sets of sieving holes 510 which are arranged from top to bottom are different, the diameters of the plurality of sets of sieving holes 510 are sequentially reduced, the cleaned ore waste is guided into the inner cavity of the upper fixed cylinder 511 through the through holes on the base plate 1, at the moment, the connecting rods 56 are driven to rotate by the telescopic motion of the electric telescopic rods 53, the sieving bottom plates 58 are driven to reciprocate while the connecting rods 56 rotate, so as to realize the efficient sieving, the ore waste material of different particle sizes can be sieved branch through sieving hole 510 fast, and the ore waste material that the particle size is minimum can be collected through collecting box 6 to realized sieving the collection fast according to different particle sizes to the ore waste material of gathering, thereby realized the cyclic efficiency utilization to the resource, be favorable to the environmental protection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection efficient grit washs separator for mine coal-winning machine, includes base plate (1), its characterized in that: the bottom of the base plate (1) is provided with a base box (2), a plurality of groups of screening devices (5) are arranged on the base box (2), a collecting box (6) is arranged at the bottom of an inner cavity of the base box (2), the front end face of the base box (2) is open, a cleaning device (4) is arranged at the top of the base plate (1), through holes are uniformly formed in the base plate (1) in a penetrating manner, a vertical plate (3) is arranged on one side of the top of the base plate (1), a transverse plate (7) is arranged at the top of the vertical plate (3), an illuminating lamp (11) is arranged at the bottom of the transverse plate (7), a water tank (8) is arranged at the top of the transverse plate (7), a water pump (9) is arranged at the top of the water tank (8), a speed reducing motor (12) is welded at the top of the transverse plate (7, gear motor (12) bottom is connected with screw rod (14), just screw rod (14) bottom runs through diaphragm (7) and cup joints and is provided with bearing frame (19), mounting bracket (13) inner chamber bottom vertically runs through the bearing groove that is provided with and matches with bearing frame (19), just bearing frame (19) fixed connection is among the bearing groove inner chamber that matches, screw rod (14) periphery is cup jointed and is provided with multiunit swivel nut (16), swivel nut (16) periphery all cup joints and is fixed with movable block (15), movable block (15) are kept away from mounting bracket (13) one end and all are connected with transport case (18).

2. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 1, wherein the device comprises: the movable block (15) is close to mounting bracket (13) one side and all is connected with T type slider (17), mounting bracket (13) is close to T type slider (17) one side and vertically sets up rather than the T type spacing groove that matches, just T type slider (17) activity sets up among the T type spacing inslot chamber that matches.

3. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 1, wherein the device comprises: the cleaning device (4) comprises a double-shaft motor (41), a group of output shafts of the double-shaft motor (41) are connected with a driving stud (42), another group of output shafts of the double-shaft motor (41) are connected with a rotating mechanism (43), a motor fixing sleeve (46) is sleeved on the periphery of the double-shaft motor (41), a connecting cross rod (47) is connected on the periphery of the motor fixing sleeve (46), a driven swivel nut (48) is sleeved on the periphery of the driving stud (42), a supporting plate (411) is arranged on one side of the outer wall of the driven swivel nut (48), an inner limiting sliding block (412) is arranged on the other side of the outer wall of the driven swivel nut (48), a nozzle fixing plate (413) is arranged at the top of the supporting plate (411), a nozzle groove is transversely arranged on the nozzle fixing plate (413), a cleaning nozzle (414) is inserted into an, the screw hole inner cavity is provided with a clamping bolt (415) matched with the screw hole inner cavity in an inserted mode, the top end of the top bearing sleeve (410) is provided with the top bearing sleeve (410) in a sleeved mode, the top of the top bearing sleeve (410) is fixed to the bottom of the transverse plate (7) in a welded mode, and conveying pipes (10) are connected between the water pump (9) and the water tank (8) and between the water pump (9) and the cleaning spray head (414).

4. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 3, wherein the device comprises: an outer protective barrel (49) is arranged above the double-shaft motor (41), the outer protective barrel (49) is welded and fixed to the bottom of the transverse plate (7), the driving stud (42) is arranged in an inner cavity of the outer protective barrel (49), one side, close to the supporting plate (411), of the outer protective barrel (49) is longitudinally provided with a guide groove matched with the supporting plate (411), the supporting plate (411) is close to one end of the driven threaded sleeve (48) and penetrates through the guide groove and extends to the inner cavity of the outer protective barrel (49) to be fixedly connected with the driven threaded sleeve (48), the inner cavity of the outer protective barrel (49) is longitudinally provided with a sliding cavity matched with the inner limiting sliding block (412), the sliding cavity (421) is movably arranged in the inner cavity of the matched sliding cavity, and the connecting cross rod (47) is fixedly connected to the side wall of the vertical.

5. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 3, wherein the device comprises: the rotating mechanism (43) comprises a driven ring (433), a main rod (431) is arranged in the inner cavity of the driven ring (433), the bottom end of the other group of output shafts of the double-shaft motor (41) is welded to the top end of the main rod (431), the side wall of the main rod (431) is connected with a poking rod (432), the bottom of the poking rod (432) is connected with a connecting base plate (434), the connecting base plate (434) is fixedly connected to the bottom of the driven ring (433) through bolts, a rotating plate (435) is arranged above the driven ring (433), a driven bottom rod (436) is uniformly arranged at the bottom edge of the rotating plate (435), a left bottom column (437) is arranged in the center of the bottom of the rotating plate (435), a right bottom column (44) is connected to the bottom of the connecting base plate (434), and an outer bearing sleeve (45) is fixedly sleeved on the peripheries of the right bottom, the top of the base plate (1) is longitudinally provided with connecting grooves matched with the two groups of outer bearing sleeves (45) in a penetrating mode, and the two groups of outer bearing sleeves (45) are respectively and fixedly connected into inner cavities of the matched connecting grooves.

6. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 1, wherein the device comprises: the screening device (5) comprises side plates (51), a U-shaped frame (52) is arranged at the top of each side plate (51), an electric telescopic rod (53) is obliquely arranged between each U-shaped frame (52) and each side plate (51), end plates (54) are arranged at the top end and the bottom end of each electric telescopic rod (53), the end plates (54) are rotationally connected with the electric telescopic rods (53) through a first rotating shaft (55), the bottoms of the end plates (54) connected with the electric telescopic rods (53) are welded and fixed at the top of each side plate (51), a connecting rod (56) is welded and fixed on the side wall of each end plate (54) connected with the top end of each electric telescopic rod (53), the connecting rod (56) is arranged in the inner cavity of the U-shaped frame (52), the connecting rod (56) is rotationally connected with the U-shaped frame (52) through a pin shaft, and a screening bottom plate (58) is arranged on the front end face of the connecting rod (56), and the connecting rod (56) is rotatably connected with the screening bottom plate (58) through a second pin shaft, screening holes (510) uniformly penetrate through the screening bottom plate (58), and an upper fixed cylinder (511) is arranged at the top of the upper fixed cylinder (511).

7. The environment-friendly and efficient sand and stone cleaning and separating device for the mine shearer as claimed in claim 6, wherein: screening bottom plate (58) all set up at base case (2) inner chamber, just screening bottom plate (58) all rotate through pivot two (59) with base case (2) and are connected, the multiunit equal welded fastening in base case (2) outer wall in side board (51), base case (2) are close to side board (51) one end and all vertically are provided with the groove of wearing that matches with linking pole (56), just linking pole (56) are close to screening bottom plate (58) one end and all pass the groove and extend to base case (2) inner chamber, and the multiunit is by last to setting screening hole (510) the downthehole footpath that runs through the setting on screening bottom plate (58) all is different, and the multiunit the aperture of screening hole (510) reduces in proper order.