CN115821692B - Large-thickness cement concrete pavement paver and spiral material distributing structure thereof - Google Patents

The invention discloses a large-thickness cement concrete pavement spreader and a spiral material distributing structure thereof, which relate to the field of pavement spreaders and comprise a main beam, wherein the inner wall of the main beam is rotationally connected with a main shaft, the outer wall of the main shaft is slidingly connected with a plurality of groups of augers, the two ends of the auger are respectively connected with a group of rotating rings in a rotating way, the outer walls of the two groups of rotating rings are respectively hinged with an outer rotating rod and an inner rotating rod, the outer rotating rods are connected with the inner rotating rod in a rotating way, and the outer rotating rods and the inner rotating rod are telescopic rods. According to the invention, a plurality of groups of augers with opposite directions can stir concrete, so that the concrete can be uniformly spread, the thickness deviation of the concrete at two sides of a pavement is avoided, the plurality of groups of augers slide on the outer wall of the main shaft, the distance between the augers can be adjusted, the pavement with different widths is adapted, the concrete can be compacted in the paving process, and the concrete in the storage tank can be more uniform in discharging.

Large-thickness cement concrete pavement paver and spiral material distributing structure thereof

Technical Field

The invention relates to the field of pavement pavers, in particular to a large-thickness cement concrete pavement paver and a spiral material distribution structure thereof.

Background

The cement concrete pavement spreader is also called as cement concrete pavement spreader, which is a special construction machine for spreading concrete pavement, and has the functions of spreading the mixed concrete material on the pavement subbase layer or base layer uniformly, and pre-compacting and shaping the concrete material to a certain extent to form a concrete base layer or concrete surface layer.

The existing cement concrete pavement paver paves concrete through a group of augers in the use process, the augers can push and scatter piled concrete, but single pushing force in the rotation process of the augers is easy to cause uneven thickness of the concrete in the paving process.

Disclosure of Invention

Based on the above, the invention aims to provide a large-thickness cement concrete pavement spreader and a spiral material distribution structure thereof, so as to solve the technical problems in the background.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a heavy thickness cement concrete road surface paver and spiral feed structure thereof, includes the girder, the inner wall of girder rotates and is connected with the main shaft, the outer wall sliding connection of main shaft has the multiunit auger, the both ends of auger rotate respectively and are connected with a set of swivel becket, two sets of the outer wall of swivel becket articulates respectively has outer bull stick and inward turning pole, be the rotation connection between outer bull stick and the inward turning pole, and outer bull stick and inward turning pole are the telescopic link, the inner wall rotation of girder is connected with the threaded rod, the outer wall threaded connection of threaded rod has multiunit impeller.

Through adopting above-mentioned technical scheme, turn over through multiunit auger opposite in direction and stir the concrete to guarantee that the concrete can evenly spread, can not make the concrete thickness on road surface both sides appear deviating, and multiunit auger slides at the main shaft outer wall, can adjust the interval between auger and the auger, thereby adapt to the road surface of different width.

The invention is further characterized in that the top end of the main beam is provided with a first motor, the output end of the first motor is fixedly connected with a first belt pulley, one end of the threaded rod extending out of the main beam is fixedly connected with a second belt pulley, and the first belt pulley is connected with the second belt pulley through a belt.

Through adopting above-mentioned technical scheme, drive the threaded rod through motor No. one and rotate to promote multiunit impeller block to be close to each other or keep away from each other, make outer bull stick and interior rotation pole take place to rotate, thereby reach the purpose of adjusting the interval between the multiunit auger.

The invention is further characterized in that a second motor is arranged at one end of the main beam, which is far away from the first motor, the output end of the second motor is fixedly connected with a third belt pulley, and the third belt pulley is connected to the main shaft through a belt.

By adopting the technical scheme, the electric main shaft of the second motor rotates, so that a main power source is provided for the paver.

The invention is further characterized in that the top end of the main beam is fixedly connected with two groups of side support arms, rolling wheels are rotationally connected between the two groups of side support arms, and one end of the main shaft extending out of the main beam is fixedly connected with a double-groove belt pulley.

By adopting the technical scheme, the support paver moves on the pavement template, and concrete can be compacted in the template.

The invention is further characterized in that one end of the rolling wheel extending out of the side support arm is fixedly connected with a fourth belt pulley, and the double-groove belt pulley is connected to the fourth belt pulley through a belt.

By adopting the technical scheme, the grabbing rotation force is transmitted to the rolling wheel, so that the purpose of automatically advancing the paver is realized.

The invention is further characterized in that the bottom end of the main beam is fixedly connected with two other groups of side support arms, and another group of rolling wheels are rotationally connected between the two groups of side support arms.

By adopting the technical scheme, stable supporting force is provided for the paver.

The invention is further arranged that the other ends of the outer rotating rod and the inner rotating rod are respectively hinged on the side wall of one group of pushing blocks, and the thread directions of the contact positions of the two adjacent groups of pushing blocks and the threaded rod are opposite.

By adopting the technical scheme, the adjacent two groups of pushing blocks are conveniently guaranteed to be close to or far away from each other when the threaded rod is rotated.

The invention is further characterized in that two ends of the main shaft extending out of the main beam are respectively and fixedly connected with a group of cams, the outer walls of the two groups of cams are respectively sleeved with a group of sliding frames, the bottom end of the main beam is hinged with two groups of rotating arms, the two groups of rotating arms are respectively and fixedly connected with the side walls of the group of sliding frames, and a plurality of groups of vibrating rods are fixedly connected between the two groups of rotating arms.

By adopting the technical scheme, the vibrating rod is pushed to be continuously inserted into the concrete to lift the concrete to reciprocate, so that air bubbles in the concrete are discharged.

The invention is further characterized in that the side wall of the main beam is fixedly connected with a storage tank, the inner wall of the storage tank is rotationally connected with a reciprocating screw rod, the outer wall of the reciprocating screw rod is provided with a sliding block, the outer wall of the sliding block is slidably connected with the inner wall of the storage tank, and the top end and the bottom end of the sliding block are respectively fixedly connected with a group of pushing rods.

Through adopting above-mentioned technical scheme for the catch bar can be at the inside reciprocating motion of storage tank, thereby makes the inside concrete of storage tank can evenly distributed in the storage tank, places the inhomogeneous phenomenon of unloading in the process of paving.

The invention is further arranged that a fifth belt pulley is fixedly connected to one end of the reciprocating screw rod extending to the storage tank, and the double-groove belt pulley is connected to the fifth belt pulley through a belt.

By adopting the technical scheme, the main shaft can rotate and simultaneously drive the reciprocating screw rod to rotate.

In summary, the invention has the following advantages:

1. according to the invention, through the mutual matching of the main beam, the main shaft, the augers, the rotating rings, the outer rotating rods, the inner rotating rods, the threaded rods, the pushing blocks, the plurality of sets of augers with opposite directions are used for stirring concrete, so that the concrete can be uniformly spread, the thickness deviation of the concrete on two sides of a road surface is avoided, the plurality of sets of augers slide on the outer wall of the main shaft, the distance between the augers can be adjusted, and the pavement with different widths is adapted.

2. According to the invention, through the mutual matching of the upper operating belt pulley, the fourth belt pulley, the rolling wheel, the fifth belt pulley, the reciprocating screw rod, the sliding block and the pushing rod, the concrete can be compacted in the paving process, and the concrete in the storage tank can be more uniform in discharging.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic bottom perspective view of the present invention;

fig. 4 is a schematic view of the internal structure of the storage tank of the present invention.

In the figure: 1. a main beam; 2. a main shaft; 3. an auger; 4. a rotating ring; 5. an outer rotating rod; 6. an inner rotating rod; 7. a threaded rod; 8. a pushing block; 9. a motor I; 10. a first belt pulley; 11. a second belt pulley; 12. a motor II; 13. a third belt pulley; 14. a side arm; 15. a rolling wheel; 16. a double groove pulley; 17. a fourth belt pulley; 18. a cam; 19. a sliding frame; 20. a rotating arm; 21. a vibrating rod; 22. a storage tank; 23. a reciprocating screw rod; 24. a slide block; 25. a push rod; 26. and a fifth belt pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.

The utility model provides a large thickness cement concrete road surface paver and spiral feed structure thereof, is shown as fig. 1-4, includes girder 1, girder 1's inner wall rotates and is connected with main shaft 2, main shaft 2's outer wall sliding connection has multiunit auger 3, auger 3's both ends rotate respectively and are connected with a set of swivel ring 4, two sets of outer wall of swivel ring 4 articulates respectively has outer swivelling lever 5 and interior rotation pole 6, be rotatory connection between outer swivelling lever 5 and the interior rotation pole 6, girder 1's inner wall rotates and is connected with threaded rod 7, threaded rod 7's outer wall threaded connection has multiunit impeller 8, turns over the stirring to concrete through multiunit auger 3 opposite in direction to guarantee that concrete can even spread, can not make the concrete thickness on road surface both sides deviate, and multiunit auger 3 slides at main shaft 2 outer wall, can adjust the interval between auger 3 and the auger 3, thereby adapts to the road surface of different width.

On the basis of the structure, in the embodiment, the second motor 12 drives the main shaft 2 to rotate through the third belt pulley 13, the main shaft 2 drives the augers 3 to rotate, and spiral directions among the multiple groups of augers 3 are opposite, so that concrete can be uniformly spread when the concrete pavement is paved.

On the basis of the above structure, in this embodiment, the cam 18 is driven to rotate during the rotation of the spindle 2, the cam 18 drives the rotating arm 20 to rotate through the sliding frame 19, so that the vibration rod 21 is inserted into the concrete to vibrate the concrete to discharge the air in the concrete, the spindle 2 rotates to drive the double-groove belt pulley 16 to rotate, and the double-groove belt pulley 16 drives the fourth belt pulley 17 to rotate, so as to drive the rolling wheel 15 on the inner side of the side support arm 14 to rotate.

On the basis of the above structure, in this embodiment, the first motor 9 rotates to drive the first belt pulley 10 to rotate, the first belt pulley 10 drives the second belt pulley 11 to rotate through the belt, and the second belt pulley 11 drives the threaded rod 7 to rotate, so that two adjacent pushing blocks 8 are close to or far away from each other, the outer rotating rod 5 and the inner rotating rod 6 are pushed to rotate in the moving process of the moving blocks, the distance between the outer rotating rod 5 and the inner rotating rod 6 pushing the auger 3 through the rotating ring 4 is increased or decreased, the rotating ring 4 is a part rotationally connected to the outside of the auger 3, the rotating ring 4 cannot rotate along with the auger 3 when the auger 3 rotates, and the rotating ring 4 can push the auger 3 to transversely slide outside the main shaft 2.

On the basis of the above structure, in this embodiment, the concrete is added into the storage tank 22 before paving, then the main shaft 2 drives the double-groove belt pulley 16 to rotate in the paving process, the double-groove belt pulley 16 drives the fifth belt pulley 26 to rotate through the belt, so as to drive the reciprocating screw 23 to rotate, the reciprocating screw 23 pushes the sliding block 24 to reciprocate in the storage tank 22, so that the pushing rod 25 continuously pushes the concrete in the storage tank 22, and the storage tank 22 is uniformly filled with the concrete, so that the paving process can be more uniformly discharged.

During the use, drive main shaft 2 through No. two motors 12 and rotate to drive auger 3 and rotate, turn over through the auger 3 of multiunit opposite direction and stir the concrete, thereby guarantee that the concrete can even spread, can not make the concrete thickness on road surface both sides deviate, and multiunit auger 3 slides at main shaft 2 outer wall, can adjust the interval between auger 3 and the auger 3, thereby adapt to the road surface of different width, drive rolling wheel 15 and reciprocal lead screw 23 rotation when rotating with main shaft 2, thereby make the paving in-process can be with concrete compaction, and can make the inside concrete of storage tank 22 more even when unloading.

Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.