CN111335117A

CN111335117A - Concrete paving device for road construction

Info

Publication number: CN111335117A
Application number: CN202010197028.4A
Authority: CN
Inventors: 刘军; 王武忠; 田春鹏; 李锋; 王铁; 肖斌; 聂同祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-06-26

Abstract

The invention discloses a concrete paving device for road construction, which comprises a rack, and a primary shovel device, a flattening device and a rolling device which are arranged on the rack; the rack comprises two trapezoidal brackets which are oppositely arranged, rollers are fixed below the trapezoidal brackets through L-shaped profile connecting frames, and the rollers are matched with rail moulds on roads; the front side of trapezoidal support is provided with first shovel device, and the roll-in device is installed to the rear side of trapezoidal support, installs the device of flattening out between the trapezoidal support. According to the invention, through the arrangement of the primary shoveling device, the flattening device and the rolling device, the primary shoveling device initially shovels a place with higher concrete surface accumulation, so that an initial shoveling effect is achieved; the rolling device can finely stir the concrete pavement which is initially shoveled by the initial shoveling device, and the rolling device not only can further compact the concrete, but also is beneficial to leveling the surface of the concrete; the invention can uniformly pave the pavement concrete step by step and has the advantages of simple structure, easy control and convenient operation.

Description

Concrete paving device for road construction

Technical Field

The invention belongs to the technical field of concrete construction, and particularly relates to a concrete paving device for road construction.

Background

In road construction, in order to ensure the smoothness of a road surface, a concrete mixture is paved by a paving device, wherein the concrete paving device is a construction machine for paving a concrete road surface by uniformly paving mixed cement concrete along the given thickness, width and road type requirements of a roadbed, and then carrying out operation procedures such as compaction, leveling, finishing and the like.

The Chinese patent with the patent number of CN201510899681.4 discloses a concrete paving device, which comprises a rack connected to a rail mold in a sliding manner, wherein a storage bin is arranged on the rack, a bracket is formed by extending the upper part of the front end of the rack in an overhanging manner, and the free end of the bracket is rotatably connected with a material grabbing wheel; a rotating roller is rotatably connected below the front end of the rack, a channel for concrete to pass through is formed between the rotating roller and the material grabbing wheel, and a guide plate is fixedly connected in the channel of the rack; an inclined transmission belt is further arranged on the rack, and an included angle of 30 degrees is formed between the transmission belt and the horizontal direction; the front end of the guide plate is close to the rotating roller, the rear end of the guide plate is higher than the lower end of the transmission belt, and the high end of the transmission belt extends into the storage bin; the frame is provided with a vertical scraper blade behind the rotating roller. This application is when concrete paving construction, in unnecessary concrete can get into the feed bin of frame, the concrete resistance that receives when whole frame removes is less, and the effect of paving is better. However, this application only levels the road concrete with a screed and is difficult to achieve a uniform paving effect.

Disclosure of Invention

The invention aims to provide a concrete paving device for road construction, which is characterized in that a primary shoveling device mainly primarily shovels a place (a larger soil pile) with higher accumulated concrete surface by arranging the primary shoveling device, a rolling device and a rolling device to achieve a primary shoveling effect; the rolling device finely shifts the concrete pavement primarily shoveled by the primary shoveling device, so that the minor unevenness of the concrete on the pavement can be further shifted, and the whole concrete pavement is leveled; the rolling device not only can play a role in further compacting the concrete, but also can slowly move forwards under the action of traction force while the roller rotates automatically, so that the rolling device is also beneficial to the leveling effect of the concrete surface; in addition, through the specific structural design of the frame, the primary shoveling device, the rolling device and the rolling device are driven by the same motor, and the same motor driving mode is adopted, so that the control is easy, the energy can be saved, and the feasibility of operation is improved; the invention can uniformly pave the pavement concrete step by step, has the advantages of simple structure, easy control and convenient operation, and is suitable for the field of road construction.

The purpose of the invention can be realized by the following technical scheme:

a concrete paving device for road construction comprises a frame, a primary shovel device, a flattening device and a rolling device, wherein the primary shovel device, the flattening device and the rolling device are arranged on the frame;

the rack comprises two opposite trapezoidal brackets, each trapezoidal bracket is formed by combining and fixing a plurality of sectional materials, and rollers are fixed below the trapezoidal brackets through L-shaped sectional material connecting frames and matched with rail moulds on roads; a primary shovel device is arranged on the front side of the trapezoid support, a semi-annular mounting frame and a C-shaped frame body are fixed on the rear side edge portion of the trapezoid support, a rolling device is installed between the two semi-annular mounting frames, a first cross beam is fixed on the C-shaped frame body, a bearing plate is fixed between the first cross beam and the C-shaped frame body, a gear box and a motor are arranged on the bearing plate, an output shaft of the motor extends into the gear box, and a first output shaft and a second output shaft are arranged on the gear box; a convex connecting frame is vertically fixed on the C-shaped frame body, two positioning rods are fixed on the convex connecting frame, the other ends of the positioning rods are fixed on a second cross beam, the second cross beam is fixed on two supporting rods, and the two supporting rods are respectively and vertically fixed on the trapezoidal bracket;

the primary shovel device comprises a positioning shaft and a shovel body sleeved on the positioning shaft, the positioning shaft is fixed between the trapezoidal brackets and is positioned at the foremost position, the shovel body comprises an installation cylinder and a connecting plate fixed on the side surface of the installation cylinder, a plurality of evenly distributed shovel teeth are fixed on the surface of the connecting plate, and the installation cylinder is sleeved on the positioning shaft and is rotationally connected with the positioning shaft;

the flattening device comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both arranged between the trapezoid supports through bearings, a first belt wheel, a first chain wheel, a second chain wheel and a third chain wheel are respectively fixed at two ends of the first rotating shaft, the first belt wheel is connected with the second belt wheel through a belt, the second belt wheel is fixed on a first output shaft, the first output shaft drives the first rotating shaft to rotate through the belt, a first chain is arranged on each of the first chain wheel and the second chain wheel, a fourth chain wheel is fixed on the second rotating shaft, and the fourth chain wheel is connected with the third chain wheel through a second chain; each connecting tooth of the first chain is provided with an installation plate, a grinding shaft is fixed on the installation plate, grinding teeth are uniformly distributed and fixed on the periphery of the grinding shaft, and the grinding shaft is arranged along the direction parallel to the second cross beam; the rolling device also comprises two rollers, the rollers are arranged on the surface of the trapezoidal bracket and can freely rotate on the surface of the trapezoidal bracket, the rollers are sleeved with the first chain, and the rollers are used for lapping the first chain to enable the first chain to form a complete conveying rolling system;

the rolling device comprises a roll shaft and a roller fixed on the roll shaft, the roll shaft is arranged on the two semi-annular mounting frames in a penetrating mode through a bearing, and the roll shaft and the second output shaft are in belt transmission.

Furthermore, two fixed beams are fixed between the two trapezoidal section bars of the trapezoidal support.

Further, the semi-annular mounting frame is located below the C-shaped frame body, and an opening of the semi-annular mounting frame faces the front of the paving device.

Furthermore, the first output shaft and the second output shaft form an angle of 180 degrees, a first bevel gear is fixed on the output shaft of the motor, second bevel gears are fixed on the first output shaft and the second output shaft, the first bevel gear is meshed with the second bevel gears, and the output shaft of the motor can drive the first output shaft and the second output shaft to rotate simultaneously.

Furthermore, an inclined rod is fixed between the support rod and the trapezoid support, and the inclined rod, the support rod and the trapezoid support form a stable triangular support structure.

Further, two first chains are located between two trapezoidal brackets, and the third chain wheel and the first belt wheel are located on the outer sides of the trapezoidal brackets.

Furthermore, a triangular supporting disc body is fixed on the second rotating shaft, supporting rods are fixed at three vertex angles of the triangular supporting disc body, and the supporting rods on the rotating triangular supporting disc body can play a middle support for the first chain.

The invention has the beneficial effects that:

according to the invention, through the arrangement of the primary shoveling device, the rolling device and the rolling device, the primary shoveling device mainly and primarily shovels a place (a larger soil pile) with higher accumulation on the surface of concrete, so that a primary shoveling effect is achieved; the rolling device finely shifts the concrete pavement primarily shoveled by the primary shoveling device, so that the minor unevenness of the concrete on the pavement can be further shifted, and the whole concrete pavement is leveled; the rolling device not only can play a role in further compacting the concrete, but also can slowly move forwards under the action of traction force while the roller rotates automatically, so that the rolling device is also beneficial to the leveling effect of the concrete surface; in addition, through the specific structural design of the frame, the primary shoveling device, the rolling device and the rolling device are driven by the same motor, and the same motor driving mode is adopted, so that the control is easy, the energy can be saved, and the feasibility of operation is improved; the invention can uniformly pave the pavement concrete step by step, has the advantages of simple structure, easy control and convenient operation, and is suitable for the field of road construction.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a concrete paving apparatus for road construction according to the present invention;

FIG. 2 is a schematic structural view of a frame of the concrete paving apparatus for road construction according to the present invention;

FIG. 3 is a schematic view of a partial structure of a concrete paving apparatus for road construction according to the present invention;

FIG. 4 is a schematic view of a partial structure of a concrete paving apparatus for road construction according to the present invention;

FIG. 5 is a schematic structural view of a shovel body of the concrete paving apparatus for road construction according to the present invention;

fig. 6 is a schematic structural view of a flattening device of the concrete paving device for road construction according to the present invention;

FIG. 7 is a schematic view of a portion of the structure of FIG. 6;

fig. 8 is a partial structural view of fig. 6.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 to 7, a concrete paving apparatus for road construction, as shown in fig. 1, includes a frame 1, and a primary shovel device 2, a flattening device 3 and a rolling device 4 mounted on the frame 1;

as shown in fig. 2, 3 and 4, the frame 1 includes two opposite trapezoidal brackets 11, the trapezoidal brackets 11 are formed by combining and fixing a plurality of profiles, and preferably, two fixing beams 1101 are fixed between the two trapezoidal profiles of the trapezoidal brackets 11 for improving the stability and the bearing capacity of the trapezoidal brackets 11; a roller 13 is fixed below the trapezoidal bracket 11 through an L-shaped section bar connecting frame 12, and the roller 13 is matched with a rail mold on a road (during construction, the paving device runs on the fixed rail mold and can be paved into a running belt, and the rail mold is a running track of the paving device and a side mold for paving a road surface); a primary shovel device 2 is arranged on the front side of the trapezoid support 11, a semi-annular mounting frame 14 and a C-shaped frame body 15 are fixed on the rear side edge part of the trapezoid support 11, the semi-annular mounting frame 14 is located below the C-shaped frame body 15, the opening of the semi-annular mounting frame 14 faces the front of the paving device, and a rolling device 4 is arranged between the two semi-annular mounting frames 14; a first crossbeam 1501 is fixed on the C-shaped frame body 15, a bearing plate 1502 is fixed between the first crossbeam 1501 and the C-shaped frame body 15, a gear box 1503 and a motor are arranged on the bearing plate 1502, a motor output shaft 1504 extends into the gear box 1503, a first output shaft 1505 and a second output shaft 1506 are arranged on the gear box 1503, specifically, the first output shaft 1505 and the second output shaft 1506 form an angle of 180 degrees, a first bevel gear is fixed on a motor output shaft 1504, second bevel gears are fixed on the first output shaft 1505 and the second output shaft 1506, the first bevel gear is meshed with the second bevel gear, and the motor output shaft 1504 can drive the first output shaft 1505 and the second output shaft 1506 to rotate simultaneously; a convex connecting frame 16 is vertically fixed on the C-shaped frame body 15, two positioning rods 1601 are fixed on the convex connecting frame 16, the other ends of the positioning rods 1601 are fixed on a second cross beam 17, the second cross beam 17 is fixed on two supporting rods 1701, the two supporting rods 1701 are respectively and vertically fixed on the trapezoidal support 11, preferably, an inclined rod 1702 is fixed between the supporting rod 1701 and the trapezoidal support 11, and the inclined rod 1702, the supporting rod 1701 and the trapezoidal support 11 form a stable triangular supporting structure;

as shown in fig. 2, 3, and 5, the primary shoveling device 2 includes a positioning shaft 21 and a shovel body 22 sleeved on the positioning shaft 21, specifically, the positioning shaft 21 is fixed between the trapezoidal brackets 11 and located at the foremost position, the shovel body 22 includes a mounting tube 2201 and a connecting plate 2202 fixed on the side surface of the mounting tube 2201, a plurality of evenly distributed shoveling teeth 2203 are fixed on the surface of the connecting plate 2202, the mounting tube 2201 is sleeved on the positioning shaft 21 and rotatably connected with the positioning shaft 21, and an included angle between the connecting plate 2202 and the road surface can be adjusted, so as to facilitate primary shoveling of concrete with different thicknesses;

as shown in fig. 6, 7 and 8, the flattening device 3 includes a first rotating shaft 31 and a second rotating shaft 32, the first rotating shaft 31 and the second rotating shaft 32 are mounted between the ladder brackets 11 through bearings, a first pulley 3101, a first sprocket 3102, a second sprocket 3103 and a third sprocket 3104 are respectively fixed at both ends of the first rotating shaft 31, the first pulley 3101 and the second pulley 3105 are connected through a belt, the second pulley 3105 is fixed on the first output shaft 1505, the first output shaft 1505 drives the first rotating shaft 31 to rotate through the belt, the first sprocket 3102 and the second sprocket 3103 are respectively provided with a first chain 33, it should be noted that two first chains 33 are located between the ladder brackets 11, the third sprocket 3104 and the first pulley 3101 are located at the outer side of the ladder brackets 11, a fourth sprocket 3201 is fixed on the second rotating shaft 32, the fourth sprocket 3201 and the third sprocket 3104 are connected through a second chain 3202, a triangular supporting disc 3203 is fixed on the second rotating shaft 32, supporting rods 3204 are fixed at three vertex angles of the triangular supporting disc 3203, and the supporting rods 3204 on the rotating triangular supporting disc 3203 can play a role of intermediate support for the first chain 33, which is beneficial to the stable operation of the first chain 33; each connecting tooth of the first chain 33 is provided with an installation plate 3301, a grinding shaft 3302 is fixed on the installation plate 3301, grinding teeth 3303 are uniformly distributed and fixed on the periphery of the grinding shaft 3302, it should be noted that the grinding shaft 3302 is arranged along a direction parallel to the second beam 17; the flattening device 3 further comprises two rollers 34, the rollers 34 are mounted on the surface of the trapezoidal bracket 11 and can freely rotate on the surface of the trapezoidal bracket 11, the first chain 33 is sleeved on the rollers 34, and the rollers 34 are used for overlapping the first chain 33, so that the first chain 33 forms a complete conveying rolling system;

as shown in fig. 4, the rolling device 4 includes a roll shaft 41 and a roller 42 fixed on the roll shaft 41, the roll shaft 41 is mounted on the two semi-annular mounting frames 14 through a bearing in a penetrating manner, the roll shaft 41 and the second output shaft 1506 are driven by a belt, the second output shaft 1506 drives the roll shaft 41 to rotate, and further drives the roller 42 to rotate, and the rotating roller 42 rolls the concrete pavement;

the working principle and the mode of the invention are as follows:

regarding the primary shovel device 2: under the action of traction force, the whole device runs on a rail mould, the included angle between a connecting plate 2202 and the road surface is adjusted according to the thickness of concrete paved by a distributor, and shovel teeth 2203 on the connecting plate 2202 shovel the paved concrete for the first time; the primary shoveling device 2 is mainly used for primarily shoveling higher places (larger soil piles) stacked on the surface of the concrete to achieve a primary shoveling effect;

with respect to the flattening device 3: through the bevel gear meshing transmission in the gear box 1503, the motor output shaft 1504 can simultaneously drive the first output shaft 1505 and the second output shaft 1506 to rotate; the first output shaft 1505 rotates to drive the first rotating shaft 31 to rotate through belt transmission, the first rotating shaft 31 drives the second rotating shaft 32 to rotate through chain transmission, the first rotating shaft 31 rotates to drive the first chain 33 to rotate, further, the grinding shafts 3302 fixed on the first rotating shaft 31 are driven to roll along with the rolling of the first chain 33, and grinding teeth 3303 densely distributed on the grinding shafts 3302 stir the concrete more finely; the flattening device 3 is mainly used for finely shifting the concrete pavement initially shoveled by the initial shoveling device 2, so that the minor unevenness of the concrete of the pavement can be further shifted, and the whole concrete pavement is flattened; in addition, a triangular supporting tray 3203 is fixed on the second rotating shaft 32, and a supporting rod 3204 on the rotating triangular supporting tray 3203 can play a role of intermediate support for the first chain 33, thereby facilitating the stable operation of the first chain 33 and improving the flattening efficiency of the flattening device 3;

with regard to the rolling device 4: the second output shaft 1506 drives the roll shaft 41 to rotate, and further drives the roll 42 to rotate, and the rotating roll 42 rolls the concrete pavement leveled by the leveling device 3; the rolling device 4 not only can play a role of further compacting the concrete, but also the roller 42 slowly moves forwards under the action of traction force while rotating, thereby also contributing to the leveling effect of the concrete surface;

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The concrete paving device for road construction is characterized by comprising a rack (1), a primary shovel device (2), a flattening device (3) and a rolling device (4), wherein the primary shovel device (2), the flattening device and the rolling device are installed on the rack (1);

the rack (1) comprises two opposite trapezoid supports (11), the trapezoid supports (11) are formed by combining and fixing a plurality of sectional materials, rollers (13) are fixed below the trapezoid supports (11) through L-shaped sectional material connecting frames (12), and the rollers (13) are matched with rail molds on a road; a primary shovel device (2) is arranged on the front side of a trapezoidal support (11), a semi-annular mounting rack (14) and a C-shaped frame body (15) are fixed on the rear side edge portion of the trapezoidal support (11), a rolling device (4) is installed between the two semi-annular mounting racks (14), a first cross beam (1501) is fixed on the C-shaped frame body (15), a bearing plate (1502) is fixed between the first cross beam (1501) and the C-shaped frame body (15), a gear box (1503) and a motor are arranged on the bearing plate (1502), an output shaft (1504) of the motor extends into the gear box (1503), and a first output shaft (1505) and a second output shaft (1506) are arranged on the gear box (1503); a convex connecting frame (16) is vertically fixed on the C-shaped frame body (15), two positioning rods (1601) are fixed on the convex connecting frame (16), the other ends of the positioning rods (1601) are fixed on a second cross beam (17), the second cross beam (17) is fixed on two supporting rods (1701), and the two supporting rods (1701) are respectively and vertically fixed on the trapezoidal support (11);

the primary shovel device (2) comprises a positioning shaft (21) and a shovel body (22) sleeved on the positioning shaft (21), the positioning shaft (21) is fixed between the trapezoidal supports (11) and located at the position of the foremost side, the shovel body (22) comprises an installation cylinder (2201) and a connecting plate (2202) fixed on the side surface of the installation cylinder (2201), a plurality of evenly distributed shovel teeth (2203) are fixed on the surface of the connecting plate (2202), and the installation cylinder (2201) is sleeved on the positioning shaft (21) and is rotatably connected with the positioning shaft (21);

the flattening device (3) comprises a first rotating shaft (31) and a second rotating shaft (32), the first rotating shaft (31) and the second rotating shaft (32) are mounted between the trapezoidal brackets (11) through bearings, two ends of the first rotating shaft (31) are respectively fixed with a first belt wheel (3101), a first chain wheel (3102), a second chain wheel (3103) and a third chain wheel (3104), the first belt wheel (3101) is connected with the second belt wheel (3105) through a belt, the second belt wheel (3105) is fixed on a first output shaft (1505), the first output shaft (1505) drives the first rotating shaft (31) to rotate through the belt, the first chain wheel (3102) and the second chain wheel (3103) are respectively provided with a first chain (33), the second rotating shaft (32) is fixed with a fourth chain wheel (3201), and the fourth chain wheel (3201) and the third chain wheel (3104) are connected through the second chain (3202); each connecting tooth of the first chain (33) is provided with a mounting plate (3301), a grinding shaft (3302) is fixed on the mounting plate (3301), grinding teeth (3303) are uniformly distributed and fixed on the periphery of the grinding shaft (3302), and the grinding shaft (3302) is arranged in a manner of being parallel to the second cross beam (17); the flattening device (3) further comprises two rollers (34), the rollers (34) are mounted on the surface of the trapezoidal support (11) and can freely rotate on the surface of the trapezoidal support (11), a first chain (33) is sleeved on the rollers (34), and the rollers (34) are used for overlapping the first chain (33) to enable the first chain (33) to form a complete conveying rolling system;

the rolling device (4) comprises a roll shaft (41) and a roller (42) fixed on the roll shaft (41), the roll shaft (41) is installed on the two semi-annular installation frames (14) in a penetrating mode through a bearing, and the roll shaft (41) and the second output shaft (1506) are in transmission through a belt.

2. A concrete-laying device for road construction according to claim 1, characterized in that two fixing beams (1101) are fixed between the two trapezoidal section bars of said trapezoidal support (11).

3. A concrete spreader for road construction according to claim 1, wherein the semi-annular mounting bracket (14) is located below the C-shaped frame (15), the semi-annular mounting bracket (14) opening towards the front of the spreader.

4. The concrete paving device for road construction according to claim 1, wherein the first output shaft (1505) and the second output shaft (1506) form an angle of 180 degrees, a first bevel gear is fixed on the motor output shaft (1504), second bevel gears are fixed on the first output shaft (1505) and the second output shaft (1506), the first bevel gear is meshed with the second bevel gears, and the motor output shaft (1504) can drive the first output shaft (1505) and the second output shaft (1506) to rotate simultaneously.

5. A concrete-paving unit as claimed in claim 1, characterized in that between the supporting rods (1701) and the trapezoidal frame (11) there are fixed diagonal rods (1702), the diagonal rods (1702) forming with the supporting rods (1701) and the trapezoidal frame (11) a stable triangular supporting structure.

6. A concrete paving device for road construction according to claim 1, characterized in that the two first chains (33) are located between the two ladder brackets (11), and the third chain wheel (3104) and the first belt wheel (3101) are both located outside the ladder brackets (11).

7. The concrete paving device for road construction according to claim 1, wherein a triangular supporting plate body (3203) is fixed on the second rotating shaft (32), supporting rods (3204) are fixed at three vertex angles of the triangular supporting plate body (3203), and the supporting rods (3204) on the rotating triangular supporting plate body (3203) can play an intermediate support for the first chain (33).