阅读说明：本技术 一种铁路铺石装置 (Stone device is spread to railway ) 是由 李胜军 李统 卓少亚 温艳才 于 2021-09-01 设计创作，主要内容包括：本申请涉及一种铁路铺石装置,包括滑移架设在铁轨上的撒石车、支撑于地面上的双主梁支撑架、水平滑移设置于所述双主梁支撑架上的抓石车以及竖直滑移设置于所述抓石车下端的抓石爪组,所述抓石爪组包括抓石架以及周向排布并转动连接于所述抓石架的抓体,多个所述抓体扣合形成抓石腔,所述撒石车的上端开设有盛装所述抓石腔内石头的撒石槽,所述撒石车的下端在两条铁轨的两侧均开设有撒石孔。本申请具有提高铺石效率,方便铺石过程等特点。(The utility model relates to a stone device is spread to railway, erect on the rail including sliding spill the stone car, support in subaerial two girder support frames, the level slide set up in grab stone car and vertical sliding on two girder support frames set up in grab the stone claw group of grabbing of stone car lower extreme, grab stone claw group including grab stone frame and circumference arrange and rotate connect in grab the body of grabbing of stone frame, it is a plurality of grab body lock and form and grab the stone chamber, spill the upper end of stone car and seted up the splendid attire grab the stone groove that spills of stone intracavity stone, the lower extreme that spills the stone car has all been seted up in the both sides of two rails and has spilt the stone hole. This application has the efficiency of improving stone, characteristics such as convenient stone process of spreading.)

1. A railway stone paving device is characterized in that: erect on the rail including sliding spill stone car (1), support in subaerial two girder support frames (2), the level slide set up in grab stone car (3) and vertical slide on two girder support frames (2) set up in grab stone claw group (4) of grabbing stone car (3) lower extreme, grab stone claw group (4) including grab stone frame (10) and circumference arrange and rotate connect in grab the body (11) of grabbing of stone frame (10), it is a plurality of grab body (11) lock and form and grab stone chamber (18), spill the splendid attire seted up in the upper end of stone car (1) grab stone groove (24) that spills of stone in stone chamber (18), the lower extreme that spills stone car (1) has all seted up in the both sides of two rails and has spilt stone hole (25).

2. A railway stone-laying apparatus as claimed in claim 1, characterized in that: grab stone frame (10) including the supporting disk (12) and the circumference at middle part set up in supporting disk (12) week side end and the decurrent bracing piece (13) of slope, grab body (11) rotate connect in bracing piece (13) are kept away from the one end of supporting disk (12), the lower extreme of supporting disk (12) is provided with driving cylinder (14), the piston rod lower extreme of driving cylinder (14) is provided with driving-disk (15), the one end of grabbing body (11) rotate connect in driving-disk (15) side.

3. A railway stone-laying apparatus as claimed in claim 2, characterized in that: the stone grabbing cavity (18) is hemispherical, the lower end of the grabbing body (11) is in a taper shape pointing to the axis of the driving disc (15), and the outer side wall, far away from the stone grabbing cavity (18), of the grabbing body (11) is vertically provided with a stone cutting edge (19).

4. A railway stone-laying apparatus as claimed in claim 2, characterized in that: grab all sides end of stone frame (10) and be provided with precipitation dust removal subassembly (21), precipitation dust removal subassembly (21) including set up in bracing piece (13) are kept away from precipitation shower nozzle (22) of a supporting disk (12) side, the play water end orientation of precipitation shower nozzle (22) bracing piece (13) are kept away from the one end of supporting disk (12).

5. A railroad stone laying apparatus as claimed in claim 4, wherein: the water outlet end of the precipitation nozzle (22) is provided with a water outlet (23), the water outlet (23) is arc-shaped, and the axis of the water outlet is positioned at one side of the supporting rod (13) close to the supporting plate (12).

6. A railway stone-laying apparatus as claimed in claim 1, characterized in that: the stone spreading vehicle (1) is rotatably provided with baffle plates (30) at the outer ends of the stone spreading holes (25), and the rotating axes of the baffle plates (30) are parallel to the axes of the stone spreading holes (25).

7. A railway stone-laying apparatus as claimed in claim 1, characterized in that: spill stone car (1) lower extreme and be in spill one side of stone hole (25) is provided with dialling stone frame (28), dialling stone frame (28) and including two dialling slabstone (29), two dialling slabstone (29) are close to spill the one end slope butt of stone hole (25) together, two dialling slabstone (29) keep away from spill the one end of stone hole (25) and keep away from each other.

8. A railway stone-laying apparatus as claimed in claim 1, characterized in that: spill stone car (1) and be in spill the middle part of stone groove (24) and vertically be provided with a branch spacer bar (26), branch spacer bar (26) upper end is thin the lower extreme thick, the junction that spills the lateral wall and the diapire of stone groove (24) is circular-arc, spill stone car (1) spill the diapire of stone groove (24) and rotate and be provided with two broken roller (27) that encircle, broken roller (27) are located one side two spill between stone hole (25).

9. A railway stone-laying apparatus as claimed in claim 1, characterized in that: the lower end level of two girder support frames (2) is rotated and is provided with and removes base (7), the lower extreme of removing base (7) is rotated and is provided with multiunit walking gyro wheel (8).

10. A railway stone laying apparatus as claimed in claim 3, characterized in that: the outer side wall of the grabbing body (11) is provided with a reinforcing rib plate (20) perpendicular to the stone cutting edge (19).

Technical Field

The application relates to the technical field of railway construction, in particular to a railway stone paving device.

Background

At present, stones are laid on railways because rails and sleepers must bear the weight of the train for a long time, and crushed stones serve as buffering work for preventing the rails from sinking. In addition, when a train passes through the rails at a high speed, noise and high heat are generated, the other two important tasks of the crushed stones are to absorb the noise and absorb the heat, and secondly, the stones spread among the rails are chipped and have irregular shapes, so that the stones are easy to crack, and the high heat generated when the train passes through can be absorbed due to the cracking of the stones.

The prior patent grant publication number: CN110424197B discloses integral type construction equipment based on quick stone paving of railway construction, including feed mechanism, stone paving mechanism, running gear and mainboard, feed mechanism includes feeding box and pushes away the workbin, feeding box fixed mounting is at the top of pushing away the workbin, a rectangle elongated slot has been seted up to the bottom of feeding box, it includes pushes away workbin work box and pushes away workbin control box to push away the workbin, the inner chamber movable mounting that pushes away the workbin work box has the arc push pedal, the lateral wall fixed mounting of arc push pedal has a plurality of group's springs, the other end of spring and pushes away workbin work box inner wall fixed connection, it has air-blower mounting panel and telescopic link to push away workbin control box inner wall fixed mounting, the top fixed mounting of air-blower mounting panel has the air-blower.

The above related technical solutions have the following drawbacks: the construction of railway usually need stride across multiple topography, and need erect the crane span structure and build the railway in some places, need transport the stone to the crane span structure that can only hold the rail at this moment and lay, just need transport many times when spreading the stone through foretell quick stone paving equipment, lead to the efficiency of stone paving to be lower.

Disclosure of Invention

In order to improve stone efficiency, this application provides a stone device is spread to railway.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a stone device is spread to railway, including slide erect on the rail spill the stone car, support in subaerial two girder support frames, the level slide set up in grab stone car and vertical sliding on two girder support frames set up in grab the stone claw group of grabbing of stone car lower extreme, grab stone claw group including grab stone frame and circumference arrange and rotate connect in grab the body of grabbing of stone frame, it is a plurality of grab body lock and form and grab stone chamber, spill the upper end of stone car and seted up the splendid attire grab the stone groove that spills of stone intracavity stone, the lower extreme that spills the stone car has all been seted up in the both sides of two rails and has spilt the stone hole.

Through adopting above-mentioned technical scheme, when using this stone device is spread to railway to stone, transport one side of crane span structure lower extreme with building stones through the transport vechicle, it spills the stone car and opens the place that need spill the stone along the rail, erect subaerial two girder support frames, it removes the upside to the building stones to grab stone claw group to drive through grabbing the stone car, open and contact the building stones to grab the body, the body is grabbed in the lock afterwards, make the building stones snatched into and grab the stone intracavity, will grab stone claw group and rise the back and will grab stone claw group and move the upside that spills the stone car through grabbing the stone car, open and grab the body, make the building stones that grab the stone intracavity fall into and spill the stone inslot, along with the removal that spills the stone car, the building stones will fall out and fall in the both sides of rail from spilling the stone downthehole, thereby accomplish and spread the stone. This scheme has improved the efficiency of stone paving on the crane span structure, and it is more convenient to operate.

Preferably, grab stone frame including the supporting disk and circumference at middle part set up in supporting disk week side end and the decurrent bracing piece of slope, grab the body rotate connect in the bracing piece is kept away from the one end of supporting disk, the lower extreme of supporting disk is provided with driving cylinder, driving cylinder's piston rod lower extreme is provided with the driving-disc, the one end of grabbing the body rotate connect in the driving-disc side.

Through adopting above-mentioned technical scheme, when snatching the building stones through grabbing the stone claw group, the piston rod of drive cylinder stretches out downwards, and the piston rod drives the driving-disc and moves down to the body outside turn-on is grabbed in the drive, will grab the body butt on the building stones this moment, then the piston rod of drive cylinder upwards contracts, thereby drives the driving-disc and shifts up, and the in-process drive that shifts up is grabbed the body and is rotated and lock gradually to the middle part, will grab the building stones to grab the stone intracavity at the in-process of lock. The scheme makes the grabbing process more convenient.

Preferably, the stone grabbing cavity is hemispherical, the lower end of the grabbing body is in a taper shape pointing to the axis of the driving disc, and the outer side wall of the grabbing body, far away from the stone grabbing cavity, is vertically provided with a stone cutting edge.

Through adopting above-mentioned technical scheme, the lower extreme of grabbing the body is the taper shape, and the lateral wall sets up the cut stone edge for it is more convenient when the lower extreme of grabbing the body cuts into in the building stones, simultaneously through the increase of cut stone edge the structural strength who grabs the body, makes the in-process of cutting into the building stones and mentioning more firm, increases the security.

Preferably, all sides of grabbing stone frame end is provided with precipitation dust removal subassembly, precipitation dust removal subassembly including set up in the bracing piece is kept away from the precipitation shower nozzle of a supporting disk side end, the play water end orientation of precipitation shower nozzle the bracing piece is kept away from the one end of supporting disk.

Through adopting above-mentioned technical scheme, when carrying out snatching and laying of building stones, the dust on building stones surface and the soil that is stained with and attaches will drop, and a large amount of building stones will produce bigger dust when being grabbed, water spray is carried out through precipitation shower nozzle of precipitation dust removal subassembly this moment, thereby reduce the raise of dust, with the environmental pollution when reducing and snatching the building stones, precipitation shower nozzle sets up on the bracing piece simultaneously, make and also can spray water and carry out the dust fall when spreading the stone, make this precipitation dust removal subassembly can carry out the dust fall to whole stone paving process, and is more convenient.

Preferably, the water outlet end of the precipitation nozzle is provided with a water outlet, the water outlet is arc-shaped, and the axis of the water outlet is located on one side of the supporting rod close to the supporting plate.

Through adopting above-mentioned technical scheme, the delivery port is circular-arc for be circular-arc just also by delivery port spun water smoke, and a plurality of precipitation shower nozzles blowout water smoke simultaneously, will make the periphery side of grabbing the stone claw group form the one deck water curtain, make the dust fall effect when grabbing the stone and paving the stone better.

Preferably, the stone spreading vehicle is rotatably provided with a baffle plate at the outer end of the stone spreading hole, and the rotating axis of the baffle plate is parallel to the axis of the stone spreading hole.

Through adopting above-mentioned technical scheme, when spreading the stone, need spread the stone always according to a direction, after stone completion is spread to one section railway, need carry out laying of next section, and the volume ratio that removes two girder support frames is bigger, it is also more troublesome to remove, rotate connection baffle through the outside scattering the stone hole, make the baffle can shelter from scattering the stone hole, make the building stones can't spill, thereby can stop the stone car and accept behind the building stones in the downside of two girder support frames, remove again and spread the stone to the place that needs to spread the stone, after the distance is too far away at removal two girder support frames. The whole stone paving process is more convenient, and the efficiency is higher.

Preferably, the lower end of the stone scattering vehicle is provided with a stone poking frame on one side of the stone scattering holes, the stone poking frame comprises two stone poking plates, one ends of the two stone poking plates, which are close to the stone scattering holes, are obliquely abutted together, and one ends of the two stone poking plates, which are far away from the stone scattering holes, are far away from each other.

Through adopting above-mentioned technical scheme, leak the back down along spilling the stone hole when the building stones, along with spilling the walking of stone car, will form two building stones belts that are sharp taper in the both sides of rail, and the process of stone paving should be evenly laid the building stones in orbital both sides, the lower extreme that spills the stone car in this scheme sets up the stone poking frame, two stone poking plates are close to one side butt that spills the stone hole together, the other end separates, make whole stone poking frame be the tip form, along with spilling the walking of stone car, the stone poking frame is stirred the building stones area and is stirred the level, thereby accomplish the work that the building stones were paved, it is more convenient to make stone paving process.

Preferably, the stone scattering vehicle is vertically provided with a separating rod in the middle of the stone scattering groove, the upper end of the separating rod is thin, the lower end of the separating rod is thick, the joint of the side wall and the bottom wall of the stone scattering groove is arc-shaped, the bottom wall of the stone scattering groove of the stone scattering vehicle is rotatably provided with two arch breaking rollers, and the arch breaking rollers are positioned between the two stone scattering holes on one side.

Through adopting above-mentioned technical scheme, when the building stones were put into and are spilt the stone inslot, through the circular-arc inner wall that spills the stone groove and the branch spacer at middle part for the building stones can get into smoothly and spill the stone downthehole, stir through two broken rollers that encircle simultaneously, thereby accelerate the whereabouts of building stones, reduce irregular building stones and spill the downthehole jam of stone, thereby influence the progress of stone paving.

Preferably, the lower extreme level of two girder support frames is rotated and is provided with the removal base, the lower extreme of removing the base rotates and is provided with the multiunit walking gyro wheel.

Through adopting above-mentioned technical scheme, can carry out the level at the removal base of two girder support frames lower extreme and rotate for two girder support frames can be subaerial all direction translations, make the position of the two girder support frames of regulation that can be more convenient, thereby make things convenient for the railway to spread the stone.

Preferably, the outer side wall of the grabbing body is provided with a reinforcing rib plate perpendicular to the edge of the cut stone.

Through adopting above-mentioned technical scheme, through the structural strength who grabs the body of deep floor enhancement for it is more firm stable when snatching the building stones to grab the body, reduces the potential safety hazard.

To sum up, the beneficial technical effect of this application does:

1. the stone spreading vehicle is conveyed to one side of the lower end of the bridge frame through the transport vehicle, the stone spreading vehicle is driven to a place where stone spreading is needed along a rail, the double-main-beam support frame is erected on the ground, the stone grabbing claw group is driven by the stone grabbing vehicle to move to the upper side of the stone, the grabbing body is opened and contacts the stone, then the grabbing body is buckled, the stone is grabbed into the stone grabbing cavity, the stone grabbing claw group is moved to the upper side of the stone spreading vehicle through the stone grabbing vehicle after the stone grabbing claw group rises, the grabbing body is opened, the stone in the stone grabbing cavity falls into the stone spreading groove, and along with the movement of the stone spreading vehicle, the stone falls out of the stone spreading holes and falls on two sides of the rail, so that stone spreading is completed, the stone spreading efficiency on the bridge frame is improved, and the stone spreading operation is more convenient;

2. the piston rod of the driving oil cylinder extends downwards, the piston rod drives the driving disc to move downwards, so that the grabbing body is driven to rotate outwards, the grabbing body is abutted to stone, then the piston rod of the driving oil cylinder retracts upwards, the driving disc is driven to move upwards, the grabbing body is driven to rotate towards the middle and is gradually buckled in the process of moving upwards, and the stone is grabbed to the stone grabbing cavity in the buckling process. The grabbing process is more convenient;

3. precipitation shower nozzle sets up on the bracing piece for equal but spraying water carries out the dust fall when snatching the building stones and stone paving, make this precipitation dust removal subassembly can carry out the dust fall to whole stone paving process, and is more convenient, and the delivery port is circular-arc, makes also to be circular-arc by delivery port spun water smoke, and a plurality of precipitation shower nozzles blowout water smoke simultaneously, will make the periphery side of grabbing the stone claw group form the one deck water curtain, make and grab stone and the dust fall effect when stone paving better.

Drawings

FIG. 1 is a schematic structural view of a railroad stone paver;

FIG. 2 is a schematic structural diagram of a stone grabbing claw group;

FIG. 3 is a schematic structural view of a stone spreading vehicle;

fig. 4 is a schematic structural view of another view angle of the stone spreading vehicle.

In the figure: 1. stone scattering vehicle; 2. a double main beam support frame; 3. a stone grabbing vehicle; 4. a stone grabbing claw group; 5. erecting; 6. a cross frame; 7. moving the base; 8. a walking roller; 9. a wire rope; 10. a stone grabbing frame; 11. a grasping body; 12. a support disc; 13. a support bar; 14. a driving oil cylinder; 15. a drive disc; 16. a grab bar; 17. grabbing the sheet; 18. a stone grasping cavity; 19. cutting edges of the stones; 20. reinforcing rib plates; 21. a precipitation and dust removal component; 22. a precipitation nozzle; 23. a water outlet; 24. a stone scattering groove; 25. stone spreading holes; 26. a spacer bar; 27. breaking the arch roller; 28. a stone-pulling frame; 29. a stone poking plate; 30. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, a stone device is spread to railway, including the frame that spills the stone car 1 that slides on the rail, support in subaerial two girder support frames 2, the level slides and sets up 3 and vertical the setting of grabbing stone claw group 4 that grab the stone car 3 lower extreme of grabbing the stone car that set up on two girder support frames 2.

Two girder support frames 2 include that vertical support is in the horizontal bracket 6 of 5 upper ends of two vertical frame including vertical support at subaerial vertical frame 5 and horizontal welding, the lower extreme of vertical frame 5 rotates through the pivot level and is connected with one and removes base 7, the lower extreme of removing base 7 rotates through the bearing and is connected with multiunit walking gyro wheel 8, 8 butts of walking gyro wheel roll subaerial to drive 2 horizontal migration of two girder support frames, and the rotation of removing base 7 makes two girder support frames 2 can remove in the arbitrary direction of horizontally.

The slide rail has been seted up along the length direction level of crossbearer 6 to 6 upper ends of crossbearer of two girder support frames 2, and the lower extreme of grabbing stone car 3 rotates through the pivot and is connected with the walking wheel, and the lower extreme of walking wheel inlays in the slide rail for the direction removal along the slide rail of grabbing stone car 3 accessible walking wheel on crossbearer 6.

Referring to fig. 1 and 2, the middle part of the stone grabbing vehicle 3 is rotatably connected with a lifting roller through a rotating shaft, a steel wire rope 9 is fixed at the peripheral side end of the lifting roller through a bolt, the steel wire rope 9 is gradually wound on the lifting roller along with the rotation of the lifting roller, and the stone grabbing claw group 4 is fixed at one end, far away from the lifting roller, of the steel wire rope 9.

Grab stone claw group 4 and arrange a plurality of body 11 of grabbing stone frame 10 week side including grabbing stone frame 10 and circumference, grab stone frame 10 and include through the bolt fastening at the supporting disk 12 of wire rope 9 keeping away from lifting roller one end and rotate many spinal branchs vaulting poles 13 of connecting in supporting disk 12 week side through the pivot, bracing piece 13 evenly arranges at supporting disk 12 week side, the lower extreme of supporting disk 12 has driving cylinder 14 through the bolt fastening, driving cylinder 14's piston rod is vertical downwards, driving cylinder 14's piston rod lower extreme has a driving-disk 15 through the bolt fastening, can drive driving-disk 15 vertical removal through driving cylinder 14.

Grab body 11 and include grabbing pole 16 and grab piece 17, the one end of grabbing pole 16 is rotated through the pivot and is connected the week side end at driving-disc 15, the other end of grabbing pole 16 rotates the one end of connecting and keeping away from supporting disc 12 at bracing piece 13 through the pivot, grab piece 17 an organic whole and set up in the one end of grabbing pole 16 and keeping away from driving-disc 15, grab piece 17 and be close to the one end blade broad of grabbing pole 16, the one end that grabbing pole 16 was kept away from to the claw piece is gradually narrowed and is gradually the interior book to the middle part of driving-disc 15 downside, when driving-cylinder 14 drives driving-disc 15 and moves up to the at utmost, the mutual butt of piece 17 is grabbed to the multi-disc, thereby form hemispherical stone chamber 18 of grabbing at the middle part.

The outer side wall of the grabbing piece 17 far away from the grabbing stone cavity 18 is integrally provided with a stone cutting edge 19 and a reinforcing rib plate 20, the stone cutting edge 19 extends from one side of the grabbing piece 17 close to the grabbing rod 16 to the bottom, and the reinforcing rib plate 20 is horizontally arranged and vertical to the stone cutting edge 19, so that the grabbing piece 17 can be easily cut into stone materials and has enough structural strength to support the weight of the stone materials.

Grab all sides end of stone rack 10 and be provided with precipitation dust removal subassembly 21, precipitation dust removal subassembly 21 includes the precipitation shower nozzle 22 of keeping away from a supporting disk 12 side at each bracing piece 13 through the bolt fastening, the decurrent delivery port 23 of slope has been seted up to the one end that precipitation shower nozzle 22 kept away from supporting disk 12, delivery port 23 is circular-arcly, and the axis of circular-arcly delivery port 23 is located the one side that is close to supporting disk 12, when spraying water smoke through precipitation shower nozzle 22, the delivery port 23 of a plurality of precipitation shower nozzles 22 sprays simultaneously, thereby form annular water curtain in the week side of grabbing stone rack 10, thereby carry out the dust fall.

Referring to fig. 3 and 4, a stone scattering groove 24 is formed in the upper end of the stone scattering vehicle 1, the lower end of the stone scattering vehicle 1 is rotatably connected with two sets of walking wheels through a rotating shaft, the walking wheels can directly stand on a rail track to walk, two sets of stone scattering holes 25 are formed in the bottom wall of the stone scattering vehicle 1, each set of stone scattering holes 25 comprises two, the two stone scattering holes 25 of each set are respectively communicated to two sides of the rail track, and stone is paved to two sides of the rail track along the stone scattering holes 25 after entering from the stone scattering groove 24.

The joint of the side wall and the bottom wall of the stone scattering groove 24 is arc-shaped, the middle part of the stone scattering groove is welded with a separating rod 26, the upper end of the separating rod 26 is thin, the lower end of the separating rod is thick, stone entering the stone scattering groove 24 can be guided into the stone scattering holes 25, meanwhile, the stone scattering vehicle 1 is vertically and rotatably connected with two arch breaking rollers 27 through rotating shafts on the bottom wall of the stone scattering groove 24, the arch breaking rollers 27 are located between the two stone scattering holes 25 in the same group, and accordingly the stone is stirred when the stone is blocked and cannot leak downwards.

Spill stone car 1's lower extreme and set up stone poking frame 28 in spilling one side that stone hole 25 kept away from the walking direction, stone poking frame 28 includes two welding and spills two stone poking plates 29 of stone car 1 lower extreme, two stone poking plates 29 are close to the one end welding that spills stone hole 25 and are in the same place, the other end is kept away from each other, make stone poking frame 28 be the toper, the building stones spills along spilling stone hole 25 when spilling stone car 1 walking, will form the stone material area in the orbital both sides of rail, and along with spilling the walking of stone car 1, stone poking frame 28 will butt building stones area and pave.

The lower extreme that spills stone car 1 rotates through the pivot in the outside of spilling stone hole 25 to be connected with the baffle 30 that shelters from spilling stone hole 25, rotates baffle 30 to sheltering from and spilling stone hole 25 for the unable hourglass down of building stones, thereby the accessible spills stone car 1 and transports building stones to the position far away and paves the stone again.

The implementation principle of the embodiment is as follows:

when the railway stone paving device is used for paving stones on a railway, stones are conveyed to one side of the lower end of a bridge frame through a transport vehicle, a stone scattering vehicle 1 is driven to a place where stones are needed to be scattered along a rail, a double-main-beam support frame 2 is erected on the ground, a stone grabbing claw group 4 is driven to move to the upper side of the stones through a stone grabbing vehicle 3, a piston rod of a driving oil cylinder 14 extends downwards, the piston rod drives a driving disc 15 to move downwards, the driving disc 15 is driven to move downwards, the driving disc 11 is driven to move downwards, the grabbing body 11 is driven to rotate towards the middle part and gradually buckled, the stones are grabbed into a stone grabbing cavity 18 in the buckling process, a precipitation dust removal component 21 is started in the stone grabbing process, a water outlet 23 of a precipitation spray nozzle 22 sprays water outwards, and an annular water curtain is formed on the outer peripheral side of the stone grabbing claw group 4, thereby adsorb the dust that the stone that will grab the stone and produce, will grab stone claw group 4 and rise the back and will grab stone claw group 4 and move to the upside that spills stone car 1 through grabbing stone car 3, open and grab body 11, make the building stones in grabbing stone cavity 18 fall into and spill the stone groove 24, precipitation dust removal component 21 still opens this moment, thereby adsorb the dust that the building stones dropped the production, rotate and open baffle 30 and remove and spill stone car 1, start broken arch roller 27 simultaneously, along with spilling the removal of stone car 1, the building stones will fall out and fall in the both sides of rail in spilling stone hole 25, set stone frame 28 is along with spilling the removal of stone car 1 and spreading the building stones flatly, thereby accomplish and spread the stone.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.