CN115634828A

CN115634828A - Steady rubble processing of water is with screening plant

Info

Publication number: CN115634828A
Application number: CN202211390027.7A
Authority: CN
Inventors: 范建平
Original assignee: Nantong Yangfan New Building Materials Co ltd
Current assignee: Nantong Yangfan New Building Materials Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-01-24

Abstract

The invention relates to the technical field of water-stable macadam processing, in particular to a screening device for water-stable macadam processing, which comprises a movable plate vehicle and a screening box, wherein the surface of the movable plate vehicle is provided with a blanking port in a penetrating way, the upper surface of the movable plate vehicle is fixedly provided with the screening box, a primary screening net plate is arranged in the screening box through a fixed frame in a rotating way, the primary screening net plate is symmetrically arranged in the fixed frame, the symmetrical primary screening net plate is opened and closed through a swing adjusting mechanism arranged in the screening box, a secondary screening net plate is arranged in the screening box in a sliding way and is positioned below the primary screening net plate, a flushing box is fixed on the outer wall surface of the left side of the screening box, the lower end of the flushing box is in an open state, and a flushing mechanism is arranged above the flushing box; the screening device provided by the invention can be used for screening the particle size of the crushed water-stable crushed stones and simultaneously can be used for flatly paving the screened water-stable crushed stones with different sizes on the surface of the roadbed, so that the using place of the screening device and the screening efficiency are increased.

Description

Steady rubble processing of water is with screening plant

Technical Field

The invention relates to the technical field of water-stable gravel processing, in particular to a screening device for water-stable gravel processing.

Background

In highway construction, the stone is indispensable, and the stone of construction usefulness usually adopts the stone crusher to obtain the rubble that the size is different after carrying out the breakage to the stone, because the stone size that different materials used in coordination is different, consequently need classify according to the size to the rubble when carrying out the breakage to the stone.

Application number is CN202122588153.0, and the patent name is multistage screening equipment is used in processing of steady rubble of water, including the screening case, screening incasement portion is provided with one-level filtering mechanism and second grade filtering mechanism, the screening case outside is provided with edulcoration mechanism, the feed inlet has been seted up to screening roof portion terminal surface, screening roof portion terminal surface is located the fixed inlet pipe that is equipped with of feed inlet department, first discharge gate and second discharge gate have been seted up on screening case one side outer wall, it all is provided with closing mechanism to lie in first discharge gate and second discharge gate department on the screening case lateral wall.

Current screening plant only can carry out simple screening to the steady rubble of broken water, then stacks, and can not realize directly carrying out the layering tiling to the road bed surface after the steady rubble screening of water is accomplished, then carry out the compaction and use as the steady basic unit of water of road bed.

Disclosure of Invention

The invention aims to provide a screening device for processing water-stable macadam, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steady rubble processing of water is with screening plant, is including removing the wooden handcart and screening case, it has seted up the blanking mouth to remove wooden handcart surface link up, and the fixed surface has the screening case on the wooden handcart, both ends are open state about the screening case, the screening incasement rotates through fixed frame and is provided with primary screening otter board, and primary screening otter board symmetry sets up in fixed frame, the symmetry primary screening otter board is provided with swing adjustment mechanism through screening incasement and opens and close, it is provided with second grade screening otter board to slide in the screening case, second grade screening otter board is located the below of primary screening otter board, the left side outer wall of screening case is fixed with rushes out the case, and rushes out the case lower extreme and be open state, second grade screening otter board is dragged the mechanism through the drive and slides and is drawn in rushing out the incasement, the top of rushing out the case is provided with rushing out the mechanism, rushing out the mechanism and being used for carrying out the dust collection dust with screening incasement with the screening incasement fine particle broken stone of fine particle that slides on the second grade screening otter board and filling and laying the road bed.

Preferably, the mechanism is dragged in the drive includes gib block, sliding block, mounting box, receipts reel and stay cord, and the symmetry the gib block is fixed to be set up between the inside left and right sides wall of screening incasement, and the mutual corresponding side of gib block of symmetry has seted up the sliding tray, the lateral wall that dashes out the case and the contact of screening case passes through sealed spout intercommunication, the second grade screening otter board slides and sets up in the sliding tray that the gib block side of symmetry was seted up, and the front and back both sides rightmost end outer wall of second grade screening otter board is fixed with the sliding block, dash out the case top symmetry and be fixed with the mounting box, and the mounting box is inside to be provided with the receipts reel through the rotation of drive axostylus axostyle, it has the stay cord to twine on the receipts reel, and the free end portion of stay cord passes out the side that case and sliding tray are connected to the sliding tray.

Preferably, the swing adjusting mechanism comprises a rotating shaft rod, a wire guide roller, a winding reel, a driving shaft rod and tensioning ropes, the non-contact end face of the primary screening net plate is symmetrical to the non-contact end face of the primary screening net plate, the non-contact end face of the primary screening net plate is rotatably arranged in a rotating cavity formed in the inner side face of the lower end of the fixing frame through the rotating shaft rod, a torsion spring is arranged between the rotating shaft rod and the rotating cavity, the wire guide roller is rotatably arranged between the inner walls of the left side and the right side of the screening box and located below the fixing frame, a winding cavity is formed in the upper portion of the inside of the fixing frame, the winding reel is rotatably arranged in the winding cavity, the driving shaft rod is connected to the inside of the winding reel, the driving shaft rod extends out of the right side face of the screening box and is connected with a fixedly arranged driving motor output shaft, the winding reel is at least wound with two tensioning ropes, and the free end of each tensioning rope passes through the lower portion of the winding cavity and is connected to the lower portion of the free end face of the primary screening net plate through the wire guide roller.

Preferably, the dust collecting mechanism includes blast fan, dust exhaust pipe, sack cleaner and blast pipe, the blast fan is fixed to be set up on screening case lateral wall, the fixed lateral wall that sets up screening case of dust exhaust pipe, and the sack cleaner intercommunication that dust exhaust pipe and screening case left side outer wall set up, sack cleaner upper end intercommunication has the blast pipe.

Preferably, it includes pneumatic cylinder, slide bar, sealed sliding plug, punching press board and air duct to dash out the mechanism, pneumatic cylinder is fixed to be set up in the top of dashing out the case, and slides in the pneumatic cylinder and be provided with the slide bar, the up end of slide bar is fixed with sealed sliding plug, and sealed sliding plug seals to slide and sets up in pneumatic cylinder, be provided with the spring between sealed sliding plug and the dashing out roof end face, it is provided with the punching press board to dash out incasement portion top, and the up end of punching press board is connected with the slide bar, the air duct symmetry sets up the both sides at pneumatic cylinder, is located the air duct on pneumatic cylinder right side passes through pneumatic valve and blast pipe intercommunication, is located be provided with the gas accuse valve on the left air duct of pneumatic cylinder.

Preferably, a guniting pipe is arranged below the movable plate trailer, the lower end face of the guniting pipe is communicated with a plurality of spraying heads, and the guniting pipe is communicated with a mud tank fixed to the movable plate trailer through a guide pipe.

Preferably, a material guiding frame is fixed to an upper port of the screening box and used for guiding the crushed water-stabilized macadam into the screening box.

Preferably, a scraping plate is arranged on the lower wall of the left side of the blanking port.

Preferably, the corners around the screening box are provided with arc chamfers.

Preferably, the punching box is welded and fixed on the left side of the screening box.

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

1. according to the invention, through the matching of the primary screening screen plate capable of swinging and the secondary screening screen plate arranged in a sliding manner, the primary screening screen plate can screen large-particle crushed stones, the secondary screening screen plate can screen fine-particle crushed stones, large particles screened on the primary screening screen plate can be directly paved on the surface of a roadbed along with the fine-particle crushed stones, and the fine-particle crushed stones on the secondary screening screen plate can be filled among the paved large-particle crushed stones in an impact manner, so that the screening device can screen the particle sizes of the crushed water-stable crushed stones and can also be paved among different sizes of water-stable crushed stones on the surface of the roadbed, and the using places of the screening device and the screening efficiency are further increased.

2. According to the invention, the symmetrical primary screening net plate is driven to swing by the swing adjusting mechanism, so that large-particle crushed stones screened on the primary screening net plate can be separated from falling, meanwhile, the swing adjusting mechanism can drive the closed or opened primary screening net plate to shake, further, the shake of the closed primary screening net plate can rapidly screen and process the crushed stones, and the shake of the opened primary screening net plate can rapidly shake and separate the screened large-particle crushed stones from falling.

Drawings

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

FIG. 2 is a cross-sectional view of the screening box of the present invention;

FIG. 3 is a cross-sectional view of the punch-out cartridge of the present invention;

FIG. 4 is a schematic view of the internal structure of the screening box of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is an enlarged view of a portion of the invention shown at B in FIG. 4.

In the figure: 1. moving the plate trailer; 2. screening the box; 3. primary screening net plate; 31. a fixing frame; 4. a swing adjustment mechanism; 41. a spindle rod; 42. a wire guide roller; 43. a spool; 44. a drive shaft; 45. tensioning the rope; 5. a secondary screening screen plate; 6. driving the pulling mechanism; 61. a guide bar; 611. a sliding groove; 62. a slider; 63. mounting a box; 64. winding the roll; 65. pulling a rope; 7. punching out of the box; 8. a punching mechanism; 81. an air pressure cylinder; 82. a slide bar; 83. sealing the sliding plug; 84. stamping the plate; 85. an air duct; 9. a dust collection mechanism; 91. a blower fan; 92. a dust exhaust pipe; 93. a bag-type dust collector; 94. an exhaust pipe; 10. a mud tank; 11. a guniting pipe; 12. and a material guide frame.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1 to fig. 6, the present invention provides a technical solution of a screening device for processing water-stable crushed stone: the device comprises a movable plate trolley 1 and a screening box 2, wherein a blanking port is formed in the surface of the movable plate trolley 1 in a penetrating mode, the screening box 2 is fixed on the upper surface of the movable plate trolley 1, the upper end and the lower end of the screening box 2 are in an open state, a primary screening screen plate 3 is arranged in the screening box 2 in a rotating mode through a fixing frame 31, the primary screening screen plate 3 is symmetrically arranged in the screening box 2 and is opened and closed through a swing adjusting mechanism 4, a secondary screening screen plate 5 is arranged in the screening box 2 in a sliding mode, the secondary screening screen plate 5 is located below the primary screening screen plate 3, a flushing box 7 is fixed on the outer wall surface of the left side of the screening box 2, the lower end of the flushing box 7 is in the open state, the secondary screening screen plate 5 is pulled into the flushing box 7 in a sliding mode through a driving pulling mechanism 6, a flushing mechanism 8 is arranged above the flushing box 7, the flushing mechanism 8 is used for filling fine particles on the secondary screening screen plate 5 sliding into large particles on a roadbed, a dust collecting mechanism 9 for collecting dust in the screening box 2; a scraper plate is arranged on the lower wall of the left side of the blanking port; arc chamfers are arranged at the corners around the screening box 2; a guniting pipe 11 is arranged below the movable plate trailer 1, the lower end face of the guniting pipe 11 is communicated with a plurality of spraying heads, and the guniting pipe 11 is communicated with a mud tank 10 fixed on the movable plate trailer 1 through a guide pipe; when the water-stable broken stone screening device works, broken and screened water-stable broken stones and cement are mixed and then compacted to be used as a water-stable base layer on the surface of a roadbed, so that the broken water-stable broken stones need to be screened, and when the broken water-stable broken stones need to be screened, the conventional screening device can only simply screen and stack the broken water-stable broken stones, but cannot realize layering and direct tiling on the surface of the roadbed after screening of the water-stable broken stones, and then compaction is carried out to be used as the water-stable base layer of the roadbed; therefore, when the broken water-stable crushed stones are required to be screened for use, a constructor can move the movable plate trailer 1 to a roadbed position where a water-stable base layer is to be laid by a tractor, then pour the broken water-stable crushed stones into the screening box 2, the water-stable crushed stones entering the screening box 2 can firstly collect and discharge dust in the generated water-stable crushed stones through the dust collecting mechanism 9, the falling water-stable crushed stones can fall onto the primary screening mesh plate 3, small-particle crushed stones can fall onto the secondary screening mesh plate 5 through meshes of the primary screening mesh plate 3, large-particle crushed stones can be retained on the symmetrical primary screening mesh plate 3, small-particle crushed stones falling onto the secondary screening mesh plate 5 can be gathered in meshes of the secondary screening mesh plate 5, and smaller crushed stones can fall onto the foundation through spaces between the secondary screening mesh plate 5 and the discharge port, when the primary screening net plate 3 and the secondary screening net plate 5 gather water-stable broken stones with certain thickness, the throwing of the water-stable broken stones into the screening box 2 is stopped, then the secondary screening net plate 5 is slid and clamped into the flushing box 7 from the screening box 2 through the driving pulling mechanism 6, at the moment, large broken stones gathered on the upper surface of the secondary screening net plate 5 can fall to the surface of the roadbed, then the symmetrical primary screening net plate 3 is rotated downwards and opened through the swinging adjusting mechanism 4, so that the large broken stones filtered on the surface of the primary screening net plate 3 fall to the surface of the roadbed, then the scraping plate can scrape the falling large broken stones when the mobile plate vehicle 1 is pulled to drive rightwards through the tractor, meanwhile, the mud tank 10 fixed on the mobile plate vehicle 1 can spray cement slurry to the large broken stones falling on the surface of the roadbed through the mud spraying pipe 11 and the spraying head below, when the movable plate trailer 1 drives the flushing box 7 to move to the upper surface of the large-particle gravel layer which is scraped and sprayed with cement slurry, the flushing mechanism 8 is controlled to work, so that the flushing mechanism 8 can fill small-particle gravel gathered in the meshes of the secondary screening mesh plate 5 into the large-particle gravel layer in a impacting manner, the compactness and firmness of the water-stable base layer formed on the surface of the roadbed by the water-stable gravel can be improved, and meanwhile, the screened water-stable gravel does not need to be accumulated and stored firstly and is laid on the surface of the roadbed for use after being moved; after the fine particle crushed stones in the meshes of the secondary screening net plate 5 are completely filled in the large particle crushed stone layer, the primary screening net plate 3 which is symmetrically opened is closed by the swing adjusting mechanism 4, then the secondary screening net plate 5 is restored into the screening box 2 by the driving pulling mechanism 6, and then the screening box 2 continuously screens, tiles and fills the crushed water-stable crushed stones.

As an embodiment of the present invention, the driving pulling mechanism 6 includes a guide strip 61, a sliding block 62, a mounting box 63, a winding drum 64 and a pulling rope 65, the guide strip 61 is fixed and arranged between the left and right side walls inside the screening box 2 symmetrically, the mutually corresponding side surfaces of the guide strip 61 are provided with sliding grooves 611, the side walls of the punching box 7 contacting with the screening box 2 are communicated through a sealing sliding groove, the secondary screening mesh plate 5 is arranged in the sliding grooves 611 formed on the side surfaces of the symmetrical guide strip 61 in a sliding manner, the outer walls of the right end at the front and back sides of the secondary screening mesh plate 5 are fixed with the sliding block 62, the mounting box 63 is fixed above the punching box 7 symmetrically, the inside of the mounting box 63 is provided with a winding drum 64 through a driving shaft lever 44 in a rotating manner, the winding drum 64 is wound with the pulling rope 65, and the free end of the pulling rope 65 penetrates through the punching box 7 and the sliding grooves 611 to be connected to the side surfaces of the sliding block 62; when the two-stage screening net plate 5 needs to be moved into the flushing box 7, the driving motor outside the mounting box 63 is controlled to work, the output shaft of the driving motor drives the winding drum 64 to rotate through the driving shaft rod 44, the winding drum 64 winds the pull rope 65, the pull rope 65 drives the sliding block 62 to slide leftwards in the sliding groove 611, the spring connected with the right side face of the sliding block 62 is continuously stretched, the two-stage screening net plate 5 slides inwards the flushing box 7 through the guide strip 61 along with continuous winding of the pull rope 65, the two-stage screening net plate 5 completely slides into the flushing box 7 and is completely attached to the inner wall of the flushing box 7, the driving motor stops working at the moment, the two-stage screening net plate 5 is stored in the flushing box 7, and when fine particle gravel needs to be filled, the fine particle gravel moves in the flushing box 7 through the flushing mechanism 8, and fine particle gravel can be filled into a large particle layer in an impacting mode; when two-stage screening net plate 5 is required to move into screening box 2, at the moment, driving motor rotates reversely, pull rope 65 is released from winding drum 64, and spring connected with the right side of sliding block 62 can pull two-stage screening net plate 5 into screening box 2 under self elastic restoring force to reset and screen water and crushed stone.

As an embodiment of the present invention, the swing adjusting mechanism 4 includes a rotating shaft 41, a wire guiding roller 42, a winding reel 43, a driving shaft 44 and a tensioning rope 45, the non-contact end surface of the symmetrical primary screening mesh plate 3 is rotatably disposed in a rotating cavity disposed on the inner side surface of the lower end of the fixing frame 31 through the rotating shaft 41, a torsion spring is disposed between the rotating shaft 41 and the rotating cavity, the wire guiding roller 42 is rotatably disposed between the inner walls of the left and right sides of the screening box 2, the wire guiding roller 42 is located below the fixing frame 31, a winding cavity is disposed above the inside of the fixing frame 31, the winding reel 43 is rotatably disposed in the winding cavity, the driving shaft 44 is connected to the inside of the winding reel 43, the driving shaft 44 extends out of the right side surface of the screening box 2 and is connected to a fixedly disposed driving motor output shaft, at least two tensioning ropes 45 are wound on the winding reel 43, the free end of each strand of the tensioning rope 45 passes below the winding cavity, and bypasses the wire guiding roller 42 and is connected to the free end surface of the primary screening mesh plate 3; when the secondary screening net plate 5 is pulled into the flushing box 7 through the pulling mechanism, the symmetrical primary screening net plate 3 needs to be opened, the driving motor arranged on the right side face of the screening box 2 is controlled to work, the winding reel 43 can wind the tensioning rope 45 at the moment, the wire guide roller 42 can tension and limit the tensioning rope 45, the free end portion of the tensioning rope 45 can be pulled to rotate downwards to open the symmetrical primary screening net plate 3 due to winding of the tensioning rope 45, the torsion spring sleeved on the rotating shaft rod 41 can generate torsion force at the moment, therefore, the primary screening net plate 3 which is symmetrically swung downwards and opened can drop large-particle crushed stones to the surface of a roadbed, the winding reel 64 can be controlled to reciprocate, the tensioning rope 45 can be in a loosening and tensioning state, the primary screening net plate 3 can shake conveniently to quickly discharge the large-particle crushed stones falling from the surface, and after the large-particle crushed stones are completely discharged, the driving motor rotates reversely at the moment, so that the winding reel 43 can discharge the tensioning rope 45, and further the torsion force of the primary screening net plate 3 can rotate horizontally to filter the dropped large-particle crushed stones again; when some closed primary screening otter boards 3 sieve the steady rubble of kibbling water, can control the rotation of reel 43 forward and reverse small-amplitude through driving motor this moment for taut rope 45 can drive the primary screening otter board 3 of symmetry and produce the small-amplitude swing, and then be convenient for primary screening otter board 3 can sieve the steady rubble of kibbling water fast and filter.

As an implementation manner of the present invention, the dust collecting mechanism 9 includes a blower fan 91, a dust exhaust pipe 92, a bag-type dust remover 93 and an exhaust pipe 94, the blower fan 91 is fixedly disposed on the side wall of the screening box 2, the dust exhaust pipe 92 is communicated with the bag-type dust remover 93 disposed on the outer wall of the screening box 2, and the upper end of the bag-type dust remover 93 is communicated with the exhaust pipe 94; during operation, when the steady rubble of kibbling water drops into screening case 2 in, the work of air-blower this moment can be with the smoke and dust that produces in the screening case 2 blow in dust exhaust pipe 92 in, and sack cleaner 93 can be inhaled the inside dust that carries on with the smoke and dust simultaneously and filter, and the clean air after the filtration can be discharged through blast pipe 94.

As an embodiment of the present invention, the flushing mechanism 8 includes a pneumatic cylinder 81, a sliding rod 82, a sealing sliding plug 83, a stamping plate 84 and an air duct 85, the pneumatic cylinder 81 is fixedly disposed above the flushing box 7, the sliding rod 82 is slidably disposed in the pneumatic cylinder 81, the sealing sliding plug 83 is fixed on the upper end surface of the sliding rod 82, the sealing sliding plug 83 is sealingly and slidably disposed in the pneumatic cylinder 81, a spring is disposed between the sealing sliding plug 83 and the top end surface of the flushing box 7, the stamping plate 84 is disposed above the flushing box 7, the upper end surface of the stamping plate 84 is connected to the sliding rod 82, the air duct 85 is symmetrically disposed on both sides of the pneumatic cylinder 81, the 85 on the right side of the pneumatic cylinder 81 is communicated with the air duct 94 through the pneumatic valve, and the air duct 85 on the left side of the pneumatic cylinder 81 is provided with a pneumatic valve; when the bag-type dust collector 93 works, when clean air filtered by the bag-type dust collector 93 is exhausted through the exhaust pipe 94, part of the air is pressurized firstly, then enters the air pressure cylinder 81 through the air guide pipe 85 on the right side of the air pressure cylinder 81 firstly, high-pressure air in the air pressure cylinder can push the sealing sliding plug 83 to slide upwards, the sliding rod 82 can drive the stamping plate 84 to slide upwards in the stamping box 7, at the moment, a spring below the sealing sliding plug 83 is in a stretching state, after the sealing sliding plug 83 slides to a limit position, the air pressure valve on the air guide pipe 85 on the right side of the air pressure cylinder 81 is closed, so that the air pressure cylinder 81 is in a pressure maintaining state, and then the exhaust pipe 94 continues to exhaust the clean air filtered by the bag-type dust collector 93; after the secondary screening net plate moves into the flushing box 7, when fine crushed stone gathered in the meshes of the secondary screening net plate needs to be flushed, the pneumatic control valve on the air duct 85 on the left side of the air pressure cylinder 81 is opened at the moment, high-pressure air filled in the air pressure cylinder 81 is quickly discharged, the sealing sliding plug 83 can quickly slide downwards in the air pressure cylinder 81 under the elastic restoring force of the spring, the stamping plate 84 can quickly slide downwards in the flushing box 7, the secondary screening net plate is also in a sliding groove in the flushing box 7 in a sealing manner, therefore, the stamping plate 84 can quickly slide downwards to compress air above the secondary screening net plate, the air can push small crushed stone in the meshes of the secondary screening net plate to quickly impact and fill large crushed stone, and further the leveling operation of a water stabilization base layer on the surface of a roadbed is facilitated.

As an embodiment of the present invention, a material guiding frame 12 is fixed at an upper port of the screening box 2, and the material guiding frame 12 is used for guiding the crushed water-stable crushed stone into the screening box 2; during operation, the material guide frame 12 is arranged above the screening box 2, so that the phenomenon that crushed water-stable crushed stones thrown into the screening box 2 are scattered can be prevented.

As an embodiment of the invention, the punch-out box 7 is welded and fixed to the left side of the sieving box 2.

The working principle is as follows: when the water-stable broken stone is required to be screened for use, at the moment, a constructor can move the movable plate trailer 1 to a roadbed position where a water-stable base layer is to be paved through a tractor, then pour broken water-stable broken stones into the screening box 2, the water-stable broken stones entering the screening box 2 can be collected and discharged by dust in the generated water-stable broken stones through the dust collecting mechanism 9, the falling water-stable broken stones can fall onto the primary screening mesh plate 3, small-particle broken stones can fall onto the secondary screening mesh plate 5 through meshes of the primary screening mesh plate 3, large-particle broken stones can be retained on the symmetrical primary screening mesh plate 3, small-particle broken stones falling onto the secondary screening mesh plate 5 can be gathered in meshes of the secondary screening mesh plate 5, and finer broken stones can fall onto the foundation through spaces between the secondary screening mesh plate 5 and the material falling port, when the primary screening net plate 3 and the secondary screening net plate 5 gather water-stable broken stones with certain thickness, the throwing of the water-stable broken stones into the screening box 2 is stopped, then the secondary screening net plate 5 is slid and clamped into the flushing box 7 from the screening box 2 through the driving pulling mechanism 6, at the moment, large broken stones gathered on the upper surface of the secondary screening net plate 5 can fall to the surface of the roadbed, then the symmetrical primary screening net plate 3 is rotated downwards and opened through the swinging adjusting mechanism 4, so that the large broken stones filtered on the surface of the primary screening net plate 3 fall to the surface of the roadbed, then the scraping plate can scrape the falling large broken stones when the mobile plate vehicle 1 is pulled to drive rightwards through the tractor, meanwhile, the mud tank 10 fixed on the mobile plate vehicle 1 can spray cement slurry to the large broken stones falling on the surface of the roadbed through the mud spraying pipe 11 and the spraying head below, meanwhile, a fly ash storage tank can be arranged on the movable trolley, so that fly ash can be synchronously sprayed into the tiled large-particle gravel layer, when the movable trolley 1 drives the flushing box 7 to move to the upper surface of the large-particle gravel layer which is scraped and sprayed with cement slurry, the flushing mechanism 8 is controlled to work at the moment, the flushing mechanism 8 can fill small-particle gravel accumulated in the meshes of the secondary screening mesh plate 5 into the large-particle gravel layer in an impacting manner, the compactness and the firmness of the water-stable gravel forming a water-stable base layer on the surface of the roadbed can be improved, meanwhile, the screened water-stable gravel does not need to be accumulated and stored firstly and then is moved to the surface of the roadbed for laying; after the fine particle crushed stones in the meshes of the secondary screening net plate 5 are completely filled in the large particle crushed stone layer, the primary screening net plate 3 which is symmetrically opened is closed by the swing adjusting mechanism 4, then the secondary screening net plate 5 is restored into the screening box 2 by the driving pulling mechanism 6, and then the screening box 2 continuously screens, tiles and fills the crushed water-stable crushed stones.

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 a steady rubble processing of water is with screening plant, includes removal wooden handcart (1) and screening case (2), its characterized in that, removal wooden handcart (1) surface link up and has seted up the blanking mouth, and removes wooden handcart (1) upper surface fixed with screening case (2), both ends are open state about screening case (2), it is provided with primary screening otter board (3) to rotate through fixed frame (31) in screening case (2), and primary screening otter board (3) symmetry sets up in fixed frame (31), the symmetry primary screening otter board (3) are provided with swing adjustment mechanism (4) through screening case (2) and open and closed, it is provided with second grade screening otter board (5) to slide in screening case (2), second grade otter board screening (5) are located the below of primary screening otter board (3), the left side outer wall of screening case (2) is fixed with rushes out case (7), and rushes out case (7) lower extreme for uncovered state, second grade screening otter board (5) are dragged through the drive and are drawn in the rubble incasement (7) slide, wash out the subgrade and lay out the subgrade case (8) that the rubble incasement (7) is provided with the granule (8) on the fine aggregate mechanism (8) wash out, screening case (2) inside top is provided with dust collection mechanism (9), and dust winding mechanism is used for collecting the filtration with screening case (2) interior dust.

2. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: the driving pulling mechanism (6) comprises guide strips (61), sliding blocks (62), a mounting box (63), a winding drum (64) and a pull rope (65), the guide strips (61) are symmetrically fixedly arranged between the left side wall and the right side wall inside the screening box (2), the symmetrical guide strips (61) correspond to each other, and sliding grooves (611) are formed in the side faces, corresponding to each other, of the guide strips, the side walls, contacting with the screening box (2), of the punching box (7) are communicated through sealing sliding grooves, the secondary screening net plates (5) are slidably arranged in the sliding grooves (611) formed in the side faces of the symmetrical guide strips (61), the sliding blocks (62) are fixedly arranged on the outer walls of the right ends of the front side face and the rear side face of the secondary screening net plates (5), the mounting box (63) are symmetrically fixed above the punching box (7), the winding drum (64) is rotatably arranged inside the mounting box (63) through a driving shaft lever (44), the winding drum (65) is wound on the winding drum (64), and the free end portion of the pull rope (65) penetrates through the punching box (7) and the side faces, connected to the sliding grooves (611).

3. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: the swing adjusting mechanism (4) comprises a rotating shaft rod (41), a wire guide roller (42), a winding reel (43), a driving shaft rod (44) and a tensioning rope (45), the non-contact end surfaces of the symmetrical primary screening net plate (3) are rotatably arranged in a rotating cavity formed in the inner side surface of the lower end of the fixed frame (31) through the rotating shaft rod (41), a torsion spring is arranged between the rotating shaft rod (41) and the rotating cavity, the wire guide roller (42) is rotatably arranged between the inner walls of the left side and the right side of the screening box (2), and the wire guide roller (42) is positioned below the fixed frame (31), the winding mechanism is characterized in that a winding cavity is formed in the upper portion inside the fixing frame (31), a winding drum (43) is arranged in the winding cavity in a rotating mode, a driving shaft rod (44) is connected inside the winding drum (43), the driving shaft rod (44) extends out of the right side face of the screening box (2) and is connected with a driving motor output shaft fixedly arranged, at least two strands of tensioning ropes (45) are wound on the winding drum (43), the free end of each strand of tensioning rope (45) penetrates through the lower portion of the winding cavity, and the free end face of each strand of tensioning rope (45) is connected to the lower portion of the free end face of the primary screening net plate (3) by bypassing the wire guide roller (42).

4. The screening device for processing the water-stable crushed stones, according to claim 1, wherein: dust is collected mechanism (9) and is included blast fan (91), dust exhaust pipe (92), sack cleaner (93) and blast pipe (94), blast fan (91) are fixed to be set up on screening case (2) lateral wall, the fixed lateral wall that sets up screening case (2) of dust exhaust pipe (92), and sack cleaner (93) the intercommunication that dust exhaust pipe (92) and screening case (2) left side outer wall set up, sack cleaner (93) upper end intercommunication has blast pipe (94).

5. The screening device for processing the water-stable crushed stones as claimed in claim 4, wherein: the rushing-out mechanism (8) comprises an air pressure cylinder (81), a sliding rod (82), a sealing sliding plug (83), a punching plate (84) and an air guide pipe (85), the air pressure cylinder (81) is fixedly arranged above the rushing-out box (7), the sliding rod (82) is arranged in the air pressure cylinder (81) in a sliding mode, the sealing sliding plug (83) is fixedly arranged on the upper end face of the sliding rod (82), the sealing sliding plug (83) is arranged in the air pressure cylinder (81) in a sealing sliding mode, a spring is arranged between the sealing sliding plug (83) and the top end face of the rushing-out box (7), the punching plate (84) is arranged above the inner portion of the rushing-out box (7), the upper end face of the punching plate (84) is connected with the sliding rod (82), the air guide pipe (85) is symmetrically arranged on two sides of the air pressure cylinder (81), and located in a position that the air guide pipe (85) on the right side of the air pressure cylinder (81) is communicated with the air guide pipe (94) through the air pressure valve, and the air guide pipe (85) is provided with an air control valve.

6. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: remove wooden handcart (1) below and be provided with whitewashing pipe (11), and whitewashing pipe (11) lower terminal surface intercommunication has a plurality of shower nozzles, whitewashing pipe (11) are through honeycomb duct and the mud jar (10) intercommunication of removing wooden handcart (1) fixed.

7. The screening device for processing the water-stable crushed stones, according to claim 1, wherein: a material guide square frame (12) is fixed at the upper end opening of the screening box (2), and the material guide square frame (12) is used for guiding the crushed water-stabilized macadam into the screening box (2).

8. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: and a scraping plate is arranged on the lower wall of the left side of the blanking port.

9. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: and arc chamfers are arranged at the corners around the screening box (2).

10. The screening device for processing the water-stable crushed stones as claimed in claim 1, wherein: the punching box (7) is welded and fixed on the left side of the screening box (2).