CN211665503U - Road paver - Google Patents

Abstract

The utility model discloses a road paver, which comprises a vehicle body, wherein a vehicle frame is arranged at the rear part of the vehicle body along the advancing direction of the vehicle body, and a reinforcing mesh laying mechanism and a concrete laying mechanism are sequentially suspended on the vehicle frame; the reinforcing mesh laying mechanism is provided with a transverse reinforcing bar laying component, and a longitudinal reinforcing bar guiding component is arranged in front of the transverse reinforcing bar laying component along the advancing direction of the vehicle body; the longitudinal steel bar guiding assembly guides a plurality of longitudinal steel bars which are laid at equal intervals along the traveling direction and lifts the longitudinal steel bars along the vertical direction; the transverse steel bar laying component rotates towards the advancing direction and lays transverse steel bars on the vertically raised longitudinal steel bars along the advancing direction at equal intervals to form a criss-cross steel bar mesh; the concrete paving mechanism is provided with a vibrating paving main body and an expansion joint cutting mechanism. The utility model discloses a paver collects feed, reinforcing bar net and lays, processes in an organic whole such as whitewashing, concrete mixing, concrete shakeouts, expansion joint cutting, and compact structure is fit for the concrete on multiple width's road surface and paves.

Description

Road paver

Technical Field

The utility model belongs to road construction professional equipment field specifically is a paver.

Background

When a concrete foundation is laid on a road, a pile of concrete is often required to be uniformly raked and paved on the road surface, and two modes are generally adopted in the paving process, wherein one mode is manual raking construction operation, but the mode has the defects of large manpower requirement, high labor intensity, poor paving uniformity, uneven pavement concrete density, slow construction progress, low efficiency and the like; the other way is to adopt a large-scale cement paver to operate, but the existing paver has high price, large investment and high transportation cost, which leads to the great increase of the engineering cost. The existing paver mainly focuses on secondarily paving stacked materials at the rear part, is large in size and high in manufacturing cost, is not suitable for flexible use of small-sized engineering, and meanwhile, the rear part paving part has a single function in actual use and cannot meet the multifunctional and automatic use requirements in actual engineering use.

The continuous reinforced concrete pavement is an effective mode for improving the pavement performance, is one of important types of high-performance concrete pavements, is suitable for heavy traffic high-grade roads, has the obvious advantages of comfortable driving, high bearing capacity, durability, less maintenance and repair and the like, and overcomes various diseases (such as slab staggering, mud pumping and the like) caused by weak links such as transverse expansion, contraction joints and the like of the common cement concrete pavement. Meanwhile, the road surface can show incomparable superiority under certain special conditions (such as overload traffic and poor hydrogeological conditions).

Sufficient reinforcing steel bars are continuously arranged in the transverse direction and the longitudinal direction of the continuous reinforced concrete pavement to form a reinforcing mesh, the construction mode of laying the reinforcing mesh at present is still manual laying and manual node fixing, the labor cost is high, and meanwhile, the node fixing strength and the laying quality cannot be guaranteed due to different technical levels of different workers.

Disclosure of Invention

To the defect among the prior art with not enough, the utility model provides a paver, this paver specially adapted road construction in-process is rational in infrastructure to the paving of concrete, and the function is comprehensive.

The utility model discloses the technical scheme who takes does:

a road paver comprises a vehicle body, wherein a vehicle frame is arranged at the rear part of the vehicle body along the traveling direction of the vehicle body, and a reinforcing mesh laying mechanism and a concrete laying mechanism are sequentially suspended on the vehicle frame;

the reinforcing mesh laying mechanism is provided with a transverse reinforcing bar laying component, and a longitudinal reinforcing bar guiding component is arranged in front of the transverse reinforcing bar laying component along the advancing direction of the vehicle body; the longitudinal steel bar guiding assembly guides a plurality of longitudinal steel bars which are laid at equal intervals along the traveling direction and lifts the longitudinal steel bars along the vertical direction; the transverse steel bar laying component rotates towards the advancing direction and lays transverse steel bars on the vertically raised longitudinal steel bars along the advancing direction at equal intervals to form a criss-cross steel bar mesh;

the concrete paving mechanism is provided with a vibrating paving main body and an expansion joint cutting mechanism; the vibration paving main body sprays cement slurry on the pavement on which the reinforcing mesh is paved by the reinforcing mesh paving mechanism, paves concrete on the pavement on which the cement slurry is sprayed, vibrates the paved concrete, and then flattens the vibrated concrete; and the expansion joint cutting mechanism cuts the expanded joint of the flattened concrete and puts filler into the expanded joint.

Optionally, the transverse steel bar laying assembly comprises a steel bar hopper arranged at the top, and a driven shaft arranged below the steel bar hopper along the transverse direction, wherein at least one transverse steel bar distribution tray is arranged on the driven shaft; the transverse steel bar distributing disc is a disc member, and a plurality of open distributing ports are arranged at equal intervals on the edge of the disc member; the bottom end of the steel bar hopper is provided with a steel bar discharge hole, and the distance between the steel bar discharge hole and the edge of the transverse steel bar distribution disc is smaller than the diameter of the transverse steel bar; the caliber of the material distributing opening is larger than or equal to the diameter of the transverse steel bar;

the power wheel is also arranged and drives the driven shaft to rotate;

the longitudinal steel bar guiding component is a combination of a plurality of pulleys arranged along the transverse direction.

Optionally, the node binding assembly further comprises a conveying assembly, the conveying assembly is provided with a steel bar binding machine, and the conveying assembly conveys the steel bar binding machine to a cross node formed by the transverse steel bars and the longitudinal steel bars along a deflection direction to perform node binding.

Optionally, the inclination direction includes inclination and deflection, the inclination indicates that the rebar tying machine and the reinforcing mesh form a vertical included angle of 30-45 degrees, and the deflection indicates that the rebar tying machine and the longitudinal reinforcing bar form an included angle of 40-50 degrees on the horizontal projection plane.

Optionally, the conveying assembly comprises a driving gear, a driven member and a reinforcing steel bar binding machine bracket which are sequentially linked;

the driven part comprises a driven gear engaged with the driving gear, a cam coaxially mounted with the driven gear, and a transmission rod connected with the cam, wherein the driven end of the transmission rod is linked with the bracket of the steel bar binding machine;

the steel bar binding machine realizes the whole row mechanical linkage and provides power through hydraulic oil.

Optionally, a material distributing and flattening mechanism is further suspended between the vibrating and paving main body and the expansion joint cutting mechanism, and the material distributing and flattening mechanism transversely increases the concrete paving width of the vibrating and paving main body.

Optionally, the expansion joint cutting mechanism includes a limiting frame, a cutting knife assembly is suspended in the limiting frame, a material pushing assembly is embedded in the limiting frame, and the material pushing assembly pushes the filler to the cutting knife assembly to realize expansion joint cutting and embedding of the filler;

the cutting knife assembly comprises a cutting knife and a cutting knife control oil cylinder, the cutting knife comprises a knife handle, a knife head is installed on the knife handle, and a knife platform is arranged at the installation position of the knife head and the knife handle.

Optionally, the limiting frame comprises a frame body with a cavity, and a first limiting body and a second limiting body which form a limiting seam are arranged at the bottom of the frame body; the cutting knife assembly is also connected with a crank connecting rod mechanism; the material pushing assembly comprises a push plate oil cylinder and a push plate arranged at the end part of the push plate oil cylinder.

Optionally, the vibrating and spreading main body comprises a slurry spraying vibrating mechanism and a first material dividing and flattening mechanism which are sequentially arranged along the advancing direction, and a second material dividing and flattening mechanism and a third material dividing and flattening mechanism which can move, stretch and contract are arranged laterally and/or backwards of the first material dividing and flattening mechanism;

the guniting vibrating mechanism comprises a guniting mixing part and a vibrating part which are sequentially arranged from front to back, and a guniting head is arranged on the guniting mixing part;

the vibrating end of the vibrating piece is positioned below the first material distributing and flattening mechanism.

Optionally, the frame on still set up the abrasive disc, the abrasive disc is located the expansion joint cutting mechanism back.

The utility model has the advantages that:

the utility model discloses a paver collects feed, reinforcing bar net and lays, processes in an organic whole such as whitewashing, concrete mixing, concrete shakeouts, expansion joint cutting, and compact structure is fit for the concrete on multiple width's road surface and paves. Is particularly suitable for paving permeable concrete. The utility model provides a reinforcing bar net laying mechanism has solved the artifical problem of laying reinforcing bar net cost height, quality control difficulty.

Drawings

FIG. 1 is an overall block diagram of the paving machine of the present invention;

FIG. 2 is a top view of the concrete paving mechanism at the rear end of the paving machine of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is an enlarged view of the structure of the expansion joint cutting mechanism of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4 in the direction of the arrows;

FIG. 6 is an enlarged view of the cutting burr of FIG. 4;

fig. 7 is a front view of the reinforcing mesh laying mechanism of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7;

FIG. 9 is a top view of FIG. 7;

FIG. 10 is an enlarged fragmentary top plan view of FIG. 7;

the reference numerals in the figures denote:

a-a concrete paving mechanism, B-a reinforcing mesh paving mechanism, C-a frame, C2-a first control oil cylinder, C1-a first guide rod, D-a hydraulic driving mechanism and an E-hopper;

a1-a vibrating spreading body, A11-a guniting vibrating mechanism, A111-a guniting mixing part, A112-a vibrating part, A113-a guniting head, A12-a first material-distributing flattening mechanism, A121-a first spiral distributor and A122-a first roll shaft;

a2-material distribution and flattening mechanism, A21-second material distribution and flattening mechanism, A211-second spiral distributor, A212-second roller shaft, A22-third material distribution and flattening mechanism, A221-third spiral distributor and A222-third roller shaft;

a3-expansion joint cutting mechanism, A30-first limiting body, A31-second limiting body, A32-cutting knife, A321-knife handle, A322-knife platform, A323-knife head, A33-cutting knife control oil cylinder, A34-crank connecting rod mechanism, A35-second guide rod, A36-second control oil cylinder, A37-push plate, A38-push plate oil cylinder and A39-filler;

a 4-abrasive disk;

b1-transverse steel bar laying component, B11-steel bar hopper, B111-steel bar discharging port, B12-transverse steel bar distributing tray, B121-distributing port, B2-node binding component, B21-conveying component, B211-driving gear, B212 driven part, B2121-driven gear, B2122-cam, B2123-driving rod, B213-steel bar binding machine bracket, B22-steel bar binding machine, B3-transverse steel bar, B4-bracket, B5-steel bar net, B6-power wheel, B7-road surface, B8-longitudinal steel bar, B9-longitudinal steel bar guiding component and B10-driven shaft;

a-transverse steel bar movement track and b-steel bar binding machine movement track.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings.

For simplicity and clarity of description, the aspects of the present invention are described below by describing several representative embodiments. Numerous details of the embodiments are set forth to provide an understanding of the principles of the invention. It is clear, however, that the solution according to the invention can be implemented without being limited to these details. Some embodiments are not described in detail, but rather only to give a framework, in order to avoid unnecessarily obscuring aspects of the present invention. Hereinafter, "including" means "including but not limited to", "according to … …" means "at least according to … …, but not limited to … … only". In view of the language convention of chinese, the following description, when it does not specifically state the number of a component, means that the component may be one or more, or may be understood as at least one.

In the present disclosure, the use of directional terms such as "upper, lower, left, right, front, and rear" generally means forward, rearward, above, below, left, and right with respect to the driver in the vehicle traveling direction, unless otherwise specified.

With reference to fig. 1-10, the paving machine of the present invention is provided with a vehicle body, and a hopper E and a material conveying belt are arranged at the front end of the vehicle body along the traveling direction of the vehicle body, for example, the hopper E is shaped like a bucket, two sides of the container can be connected with a hydraulic cylinder to control the elevation of the hopper, one side of the hopper E connected with the material conveying belt is an open structure, the material conveying belt can be made of rubber, the rubber material cannot be adhered to the conveyed concrete material, and the cleaning and the processing at the later stage are convenient;

an engine and a hydraulic driving mechanism D which provide power for the paver to move are also arranged on the vehicle body, and the hydraulic driving mechanism D can provide power for the running of the vehicle body and all active components arranged on the vehicle body; a frame C is arranged behind the vehicle body, for example, the frame C is usually arranged in a frame body structure commonly used in large-scale machinery, for example, a steel frame, which can be in the form of a steel frame beam, and a reinforcing mesh laying mechanism and a concrete laying mechanism are sequentially suspended on the frame; the reinforcing steel bar net laying mechanism is provided with a transverse reinforcing steel bar laying component B1, and a longitudinal reinforcing steel bar guiding component B9 is arranged in front of the transverse reinforcing steel bar laying component B1 along the advancing direction of the vehicle body; the longitudinal steel bar guiding assembly B9 guides a plurality of longitudinal steel bars B8 which are laid at equal intervals along the traveling direction and lifts up vertically; the transverse steel bar laying component B1 rotates towards the advancing direction and lays the transverse steel bars B3 on the vertical raised longitudinal steel bars B8 along the advancing direction at equal intervals to form a criss-cross steel bar mesh B5; the utility model provides a reinforcing bar net laying mechanism has solved the artifical problem of laying reinforcing bar net cost height, quality control difficulty.

The concrete spreading mechanism A is sequentially provided with a vibrating spreading main body A1 and an expansion joint cutting mechanism A3 along the advancing direction of the vehicle body; the vibration paving main body A1 sprays cement slurry on the pavement on which the reinforcing mesh is paved by the reinforcing mesh paving mechanism B, paves concrete on the pavement on which the cement slurry is sprayed, vibrates the paved concrete, and then flattens the vibrated concrete; and the expansion joint cutting mechanism A3 cuts the expansion joint of the flattened concrete and puts filler A39 into the expansion joint. The utility model discloses a paver collects feed, reinforcing bar net and lays, processes in an organic whole such as whitewashing, concrete mixing, concrete shakeouts, expansion joint cutting, and compact structure is fit for the concrete on multiple width's road surface and paves. Is particularly suitable for paving permeable concrete.

With reference to fig. 1-6, the utility model discloses in, expansion joint cutting mechanism A3 includes spacing, hangs in spacing and establishes the cutter unit spare, buries underground in spacing and pushes away the material subassembly, pushes away the material subassembly and will pack the propelling movement and carry out burying underground of packing A39 when realizing the expansion joint cutting for the cutter unit spare. The cutting knife assembly is used for conveying the filler A39 to the pushing assembly, the cutting knife assembly is used for cutting the concrete layer and simultaneously embedding the filler A39, labor and force are saved, and meanwhile, the cutting knife with the filler A39 is embedded into the concrete layer together, so that the structure of the concrete layer cannot be damaged.

The utility model discloses an in the embodiment, the cutting knife subassembly includes cutting knife A32 and cutting knife control cylinder A33, and cutting knife A32 includes handle of a knife A321, installs tool bit A323 on handle of a knife A321, sets up sword platform A322 in tool bit A323 and handle of a knife A321's installation department. The cutter handle A321, the cutter platform A322 and the cutter head A323 are preferably of an integrated cutter structure, the cutter platform A322 can not only limit the thickness of the cutter head A323 extending into a concrete layer, but also bring a filler pushed by the pushing assembly into the concrete layer through the raised cutter platform A322 to play roles of pressing, limiting and compacting; in addition, preferably, the utility model discloses a tool bit A323's shape can be flaky, and the longitudinal section of tool bit can be acute triangle, right triangle or other more regular wedge shapes, and the embedding degree of such tool bit is higher, can also hold down the filler A39 of certain thickness simultaneously. For example the utility model discloses a cutting knife A32 can be a holistic structure, sets up a plurality of cutting knives A32 of interval side by side along same rectilinear direction on a board-like component, for example what show in the picture can set up four cutting knife A32 side by side, and the whole of cutting knife A32 reciprocates and realizes through cutting knife control cylinder A33, can control the width that sets up at expansion joint through the quantity of increase and decrease cutting knife A32 to adapt to the road surface of different widths.

The utility model discloses an in the embodiment, spacing including the support body that has the cavity, the bottom of support body sets up first spacing body A30 and the spacing body A31 of second that forms spacing seam, for example, spacing is the frame body of rectangle, upper portion at the frame body of rectangle sets up the cutting knife subassembly, the cutting knife A32 of cutting knife subassembly reciprocates in the cavity of spacing under cutting knife control hydro-cylinder A33's drive, it buries one side at spacing to push away the material subassembly underground, cutting knife along vertical up-and-down motion in the cutting knife subassembly promptly, push pedal hydro-cylinder A38 of pushing away the material subassembly moves along the horizontal direction round trip, and set up first spacing body A30 and the spacing body A31 of second along the horizontal direction in the bottom of spacing, form between first spacing body A30 and the spacing body A31 and can guarantee the spacing seam that passes together with the filler, realize passing of cutting knife A32 and filler A39.

The embodiment of the utility model provides an in, the cutting knife subassembly still is connected with crank link mechanism A34, cutting knife control hydro-cylinder A33 and crank link mechanism A34 for example cutting knife subassembly are connected, setting through crank link mechanism A34 enables cutting knife control hydro-cylinder A33 to drive cutting knife A32 and realizes certain left and right movements, make cutting knife A32 have the vibration of certain horizontal direction at the in-process of downcutting, there is certain vibrational force at the cutting in-process to concrete layer, make the concrete layer structure that the cutting destroys vibrate the mixing, more do benefit to the cutting of cutting gap and bury underground of packing A39.

The utility model discloses an in the embodiment, push away the material subassembly and include push pedal hydro-cylinder A38 and the push pedal A37 of setting at push pedal hydro-cylinder A38 tip, for example push pedal hydro-cylinder A38 is the hydro-cylinder of horizontal motion, push pedal A37 sets up the promotion piston end at the hydro-cylinder, place the packing bed group that a plurality of packing A39 are constituteed before push pedal A37, for example the material of packing board can adopt multilayer synthetic plank, steel sheet or rubber slab etc. the thickness of general packing is 6mm, the steel sheet packing can be taken out at the later stage after filling and burying underground; for example, for the packing plate that has certain hardness and thickness along vertical stack, push pedal A37 promotes the packing plate forward at horizontal motion's in-process, and when the packing plate moved the spacing seam that first spacing body A30 and second spacing body A31 formed, through the effect of gravity messenger's packing plate whereabouts to spacing seam, then embedded in the concrete layer together under the drive of cutting knife A32.

In the embodiment of the utility model, still include second control cylinder A36, second control cylinder A36 hangs the spacing on frame C, second control cylinder A36 mainly plays the up-and-down motion of the whole spacing of control, when expansion joint cutting mechanism A3 is inoperative, wholly promote the spacing, can not hinder the motion of whole paver, the cutter subassembly passes through cutter control cylinder A33 and controls the upper and lower of cutter A32, along with the spacing up-and-down motion together; and a second guide rod A35 is also vertically arranged on the frame C, and the second guide rod A35 mainly has a certain limiting effect when the second control oil cylinder A36 drives the whole limiting frame to vertically move, so that the limiting frame can be ensured to vertically move.

The utility model discloses an in the embodiment, still hang between the main part A1 that paves that vibrates and expansion joint cutting mechanism A3 and establish branch material shakeout mechanism A2, divide material shakeout mechanism A2 along the width is laid to the concrete that transversely increases the main part A1 that paves that vibrates. The main part A1 that paves vibrates includes the whitewashing mechanism that sets gradually along the direction of advance and first branch material shakeout mechanism A12, divide material shakeout mechanism to include the frame at least, set gradually spiral tripper and depression bar by preceding in the frame after to, the defeated material concrete that brings is sent is carried on the spiral tripper, the spiral through the spiral of spiral tripper rotates the realization to the branch of concrete and is spread the material, for example, the spiral tripper is the axis body that has the spiral ring limit, the depression bar is the body of rod that has certain weight, mainly flatten for the concrete that spiral tripper divides, realize dividing of concrete and flatten through cooperation between them.

In the embodiment of the present invention, the material-distributing flattening mechanism a2 includes a second material-distributing flattening mechanism a21 and a third material-distributing flattening mechanism a22, a second material-distributing flattening mechanism a21 and a third material-distributing flattening mechanism a22, which are movably retractable, are disposed laterally and/or backward to the first material-distributing flattening mechanism a12, for example, the first material-distributing flattening mechanism a12, the second material-distributing flattening mechanism a21 and the third material-distributing flattening mechanism a22 have the same structure, and are both composed of a frame, a spiral distributor and a pressure bar disposed in the frame, that is, the first material-distributing flattening mechanism a12 includes a frame, and a first spiral distributor a121 and a first roller a122 are disposed in the frame in parallel; the second material distribution flattening mechanism A21 comprises a frame, wherein a second spiral distributor A211 and a second roller shaft A212 are arranged in the frame in parallel; the third material distribution flattening mechanism A22 comprises a frame, and a third spiral distributor A221 and a third roller shaft A222 are arranged in the frame in parallel; the first material distribution flattening mechanism A12 is a main material distribution flattening mechanism, the second material distribution flattening mechanism A21 and the third material distribution flattening mechanism A22 can be arranged at the side direction and/or the rear direction of the first material distribution flattening mechanism A12 and are used as a width expansion unit of the first material distribution flattening mechanism A12, and when a road surface to be paved is wide, the width expansion can be carried out through the second material distribution flattening mechanism A21 and the third material distribution flattening mechanism A22. In addition, still set up first control cylinder C2 and first guide arm C1 on frame C, first control cylinder C2 mainly carries out whole vertical removal along to branch material shakeout mechanism A2 and first branch material shakeout mechanism A12, and when categorised shakeout mechanism A2 was not working, can lift holistic structure, does not hinder the independent working process of the removal of whole machinery and other parts. Particularly, a first guide rod C1 can be arranged, so that the first control oil cylinder 24 has a certain limiting effect when driving the whole body of the material-distributing flattening mechanism A2 to vertically move, and the material-distributing flattening mechanism A can be guaranteed to vertically move.

In the embodiment of the utility model, the guniting and vibrating mechanism A11 comprises a guniting mixing part A111 and a vibrating part A112 which are arranged from front to back in sequence, and a guniting head A113 is arranged on the guniting mixing part A111; water and cement carry out the proportional mixing and form grout in whitewashing mixture A111, for example whitewashing mixture A111 is the cavity body that has the stirring rake, the grout that forms sprays on the road surface through whitewashing head A113, the end of vibrating A112 is located the below of first branch material shakeout mechanism A12, for example vibrating A112 is for having a plurality of vibrating rods that parallel that set up along same straight line direction, the vibration to the concrete is realized to one row of vibrating rod of vibrating motor control, the vibrating rod can be for having the body of rod of certain buckling degree, the direction of buckling of vibrating rod is towards first branch material shakeout mechanism A12, the tip of the best vibrating rod is located the below of the spiral distributor of first branch material shakeout mechanism A12.

The frame C is further provided with a grinding disc a4, the grinding disc a4 is positioned behind the expansion joint cutting mechanism A3, and the whole road surface after being flattened and the filler is embedded in the expansion joint cutting mechanism is ground and flattened, for example, the structure of the grinding disc a4 is a common grinding disc for concrete road surfaces in the prior art.

With reference to fig. 7-10, the reinforcing mesh laying mechanism of the present invention is provided with a transverse reinforcing bar laying module B1, and a longitudinal reinforcing bar guiding module B9 is arranged in front of the transverse reinforcing bar laying module B1 along the advancing direction; the longitudinal steel bar guiding assembly B9 guides a plurality of longitudinal steel bars B8 which are laid at equal intervals along the traveling direction and lifts up vertically; the transverse steel bar laying component B1 rotates towards the advancing direction to lay transverse steel bars B3 on vertically raised longitudinal steel bars B8 at equal intervals along the advancing direction to form a criss-cross steel bar mesh B5, the transverse steel bar laying component B1 laid in a rotating mode can conveniently control the equal intervals, the laying intervals are the same as long as the rotating speed is the same, and in addition, the continuity of operation can be realized through the rotating laying mode. The utility model discloses an in-process that the mechanism is being used is laid to reinforcing bar net, can install on road surface construction machinery, for example the paver, asphalt paving machine etc, before carrying out the construction, lay on road surface B7 along required interval longitudinal reinforcement B8 earlier, then all pass longitudinal reinforcement direction subassembly B9 with every longitudinal reinforcement B8, guarantee that every longitudinal reinforcement B8 is all when former laying the equidistant, conveniently carry out the contact of transverse reinforcement B3 and longitudinal reinforcement B8 and lay, and, the longitudinal reinforcement B8 after lifting up is equivalent to having carried out the position integration under longitudinal reinforcement direction subassembly B9's restraint, make transverse reinforcement B3 and longitudinal reinforcement B8 really along the horizontal and vertical in the laying of road surface, form regular reinforcing bar net.

In the disclosed embodiment, the transverse steel bar laying assembly B1 comprises a steel bar hopper B11 arranged at the top, a driven shaft B10 arranged below the steel bar hopper B11 in the transverse direction, and at least one transverse steel bar distributing tray B12 arranged on the driven shaft B10; the transverse steel bar distributing disc B12 is a disc member, a plurality of open distributing openings B121 are arranged at equal intervals on the edge of the disc member, for example, as shown in FIG. 2, the open distributing openings B121 are arranged in the cross direction of the disc member; the bottom end of the reinforcing steel bar hopper B11 is provided with a reinforcing steel bar discharge port B111, the distance between the reinforcing steel bar discharge port B111 and the edge of the transverse reinforcing steel bar distribution tray B12 is smaller than the diameter of the transverse reinforcing steel bar B3, so that the reinforcing steel bar cannot accidentally leak while the reinforcing steel bar distribution tray B12 rotates relative to the reinforcing steel bar hopper B11, the rotating speed of the reinforcing steel bar distribution tray B12 is matched, the caliber of the distribution port B121 is larger than or equal to the diameter of the transverse reinforcing steel bar B3, reinforcing steel bars leaking from the reinforcing steel bar discharge port B111 can only leak into the distribution port B121, the transverse reinforcing steel bar B3 is clamped by the distribution port B121 and moves to the longitudinal reinforcing steel bar B8 through the transverse reinforcing steel bar movement track a, and the transverse reinforcing steel bar B3 and the longitudinal reinforcing steel bar B8 are crossed to form a reinforcing steel bar mesh B5 through gravity and interception of the longitudinal reinforcing steel bar B8, for example, the distribution port B121 can be a quasi-circular port with a, the steel bar can be crossed and overlapped with the longitudinal steel bar B8 at the lower part of the steel bar, so long as the steel bar can receive the fallen transverse steel bar B3 at the top part.

In the embodiment of the disclosure, a power wheel B6 is further provided, the power wheel B6 drives the driven shaft B10 to rotate, for example, the power wheel B6 may be a wheel mechanically connected to other roads, so that the driven shaft may be driven to rotate by the rotation of the wheel, i.e., the power wheel B6, which is the same as the vehicle running direction, and meanwhile, the laying rhythm of the reinforcing steel bars is ensured to be synchronous with the wheel, and the laying speed of the reinforcing steel bars may be controlled by simply controlling the rotation speed of the wheel.

In the disclosed embodiment, the longitudinal rebar guiding assembly B9 is an assembly of a plurality of laterally disposed pulleys that have a guiding function and can be mounted or suspended on the bracket B4 together with the lateral rebar laying assembly B1.

In the disclosed embodiment, a node binding assembly B2 is further provided, the node binding assembly B2 includes a conveyor assembly B21, a reinforcement binder B22 is provided on the conveyor assembly B21, and the conveyor assembly B21 conveys the reinforcement binder B22 in a skewed direction to a crossing node formed by the transverse reinforcement bar B3 and the longitudinal reinforcement bar B8 for node binding. The reinforcing steel bar binding machine B22 is a common mechanical device in the prior art, and can be directly used, and the reinforcing steel bar binding machine B22 is required to be matched with the conveying assembly B21 to convey to the crossed joint formed by the transverse reinforcing steel bar B3 and the longitudinal reinforcing steel bar B8 for binding.

In the embodiment of the disclosure, the inclination direction includes inclination and deflection, the inclination refers to a vertical included angle of 30-45 degrees between the reinforcing steel bar binding machine B22 and the reinforcing steel bar net B5, and the deflection refers to an included angle of 40-50 degrees between the reinforcing steel bar binding machine B22 and the longitudinal reinforcing steel bar B8 on a horizontal projection plane. The angle setting here, the most convenient bundling of crossing node that carries on, and tie up the yield height, because machinery marchs the uncertainty of in-process, consequently, can the utility model discloses a laying mechanism after, realize lacking the mending-leakage through artifical inspection to carry out quality assurance.

In the embodiment of the disclosure, the conveying assembly B21 includes a driving gear B211, a driven gear B212 and a reinforcing bar binding machine bracket B213 which are linked in sequence; the follower B212 includes a driven gear B2121 engaged with the driving gear B211, a cam B2122 coaxially installed with the driven gear B2121, and a driving rod B2123 connected to the cam B2122, and a driven end of the driving rod B2123 is interlocked with the reinforcing bar binding machine bracket B213. The driving gear B211 is also arranged on the driven shaft B10 and can be arranged at the topmost end without interfering with the operation of the transverse steel bar distributing tray B12, the bracket B213 of the steel bar binding machine can move back and forth through the gear transmission and link transmission movements of the driving gear B211, the driven gear B2121, the cam B2122 and the transmission rod B2123, and the concrete operation track can be realized according to the steel bar binding machine operation track B in the figure 2, wherein the steel bar binding machine bracket B213 can move back and forth according to the direction of a vertical included angle of 30-45 degrees between the steel bar binding machine B22 and the steel bar net B5; the steel bar binding machine support B213 is the frame type support that two body of rod formed of setting up side by side, through the angle of adjusting steel bar binding machine support B213, has guaranteed promptly that steel bar binding machine B22 and vertical reinforcing bar B8 are 40 ~ 50 contained angles on the horizontal projection face.

In the embodiment of the disclosure, the reinforcing steel bar binding machine B22 realizes the whole row of mechanical linkage and is powered by hydraulic oil. Because every node of reinforcing bar net B5 all need tie up, so, like longitudinal reinforcement direction subassembly B9, every longitudinal reinforcement B8 all corresponds to the same row and sets up a rebar tying machine B22 and transport module B21, tie up simultaneously to every node after the interlock, because there are many parts of mechanical hydraulic drive for the highway, and hydraulic control is convenient, consequently, can change the electrical drive of rebar tying machine B22 among the prior art into hydraulic drive, more laminate actual use.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A road paver comprises a vehicle body, and is characterized in that a vehicle frame (C) is arranged at the rear part of the vehicle body along the traveling direction of the vehicle body, and a reinforcing mesh laying mechanism (B) and a concrete laying mechanism (A) are sequentially suspended on the vehicle frame (C);

the reinforcing steel bar net laying mechanism (B) is provided with a transverse reinforcing steel bar laying component (B1), and a longitudinal reinforcing steel bar guiding component (B9) is arranged in front of the transverse reinforcing steel bar laying component (B1) along the advancing direction of the vehicle body; the longitudinal steel bar guiding assembly (B9) guides a plurality of longitudinal steel bars (B8) which are laid at equal intervals along the traveling direction and lifts up vertically; the transverse steel bar laying component (B1) rotates towards the traveling direction and lays the transverse steel bars (B3) on the vertical raised longitudinal steel bars (B8) along the traveling direction at equal intervals to form criss-cross steel bar meshes (B5);

the concrete spreading mechanism (A) is provided with a vibrating spreading main body (A1) and an expansion joint cutting mechanism (A3); the vibration paving main body (A1) sprays cement slurry on the pavement on which the reinforcing mesh is paved by the reinforcing mesh paving mechanism (B), paves concrete on the pavement on which the cement slurry is sprayed, vibrates the paved concrete, and then flattens the vibrated concrete; and the expansion joint cutting mechanism (A3) cuts the expansion joint of the flattened concrete and puts a filler (A39).

2. The paving machine as claimed in claim 1, characterized in that the transverse reinforcement bar laying assembly (B1) comprises a reinforcement bar hopper (B11) arranged at the top, and at least one transverse reinforcement bar distribution tray (B12) is arranged on a driven shaft arranged transversely below the reinforcement bar hopper (B11); the transverse steel bar distributing tray (B12) is a disc member, and a plurality of open distributing openings (B121) are arranged at equal intervals on the edge of the disc member; the bottom end of the steel bar hopper (B11) is provided with a steel bar discharge hole (B111), and the distance between the steel bar discharge hole (B111) and the edge of the transverse steel bar distribution disc (B12) is smaller than the diameter of the transverse steel bar (B3); the caliber of the material distributing opening (B121) is larger than or equal to the diameter of the transverse steel bar (B3);

a power wheel (B6) is also arranged, and the power wheel (B6) drives the driven shaft to rotate;

the longitudinal reinforcing steel bar guiding component (B9) is a combination of a plurality of pulleys arranged along the transverse direction.

3. The paving machine according to claim 1 or 2, characterized in that a node binding assembly (B2) is further provided, the node binding assembly (B2) comprises a conveying assembly (B21), a reinforcing bar binding machine (B22) is arranged on the conveying assembly (B21), and the conveying assembly (B21) conveys the reinforcing bar binding machine (B22) to a cross node formed by the transverse reinforcing bar (B3) and the longitudinal reinforcing bar (B8) in a skewed direction for node binding.

4. The paving machine of claim 3, wherein the deflection direction includes inclination and deflection, the inclination is that the angle between the rebar tying machine (B22) and the rebar grid (B5) is 30-45 degrees in the vertical direction, and the deflection is that the angle between the rebar tying machine (B22) and the longitudinal rebar (B8) is 40-50 degrees in the horizontal projection plane.

5. The paving machine as claimed in claim 3, characterized in that the conveying assembly (B21) comprises a driving gear (B211), a driven member (B212) and a reinforcing bar binding machine bracket (B213) which are linked in sequence;

the driven part (B212) comprises a driven gear (B2121) meshed with the driving gear (B211), a cam (B2122) coaxially mounted with the driven gear (B2121), and a transmission rod (B2123) connected with the cam (B2122), wherein the driven end of the transmission rod (B2123) is linked with the bracket (B213) of the reinforcing steel binding machine;

the steel bar binding machine (B22) realizes the whole row of mechanical linkage and provides power through hydraulic oil.

6. The paving machine as claimed in any one of claims 1-5, characterized in that a distributing and flattening mechanism (A2) is suspended between the vibrating and spreading body (A1) and the expansion joint cutting mechanism (A3), and the distributing and flattening mechanism (A2) increases the concrete laying width of the vibrating and spreading body (A1) in the transverse direction.

7. The paving machine as claimed in any one of claims 1-5, wherein the expansion joint cutting mechanism (A3) comprises a limiting frame, a cutting knife assembly is suspended in the limiting frame, a material pushing assembly is buried in the limiting frame, and the material pushing assembly pushes the filler to the cutting knife assembly to realize the expansion joint cutting and simultaneously buries the filler;

the cutting knife assembly comprises a cutting knife (A32) and a cutting knife control oil cylinder (A33), the cutting knife (A32) comprises a knife handle (A321), a knife head (A323) is installed on the knife handle (A321), and a knife platform (A322) is arranged at the installation position of the knife head (A323) and the knife handle (A321).

8. The paving machine as claimed in claim 7, characterized in that the retaining frame comprises a frame body with a cavity, and the bottom of the frame body is provided with a first retaining body (A30) and a second retaining body (A31) which form a retaining seam; the cutting knife component is also connected with a crank connecting rod mechanism (A34); the pushing assembly comprises a push plate oil cylinder (A38) and a push plate (A37) arranged at the end part of the push plate oil cylinder (A38).

9. The paving machine as claimed in any one of claims 1-5, characterized in that the vibrating paving body (A1) comprises a guniting vibrating mechanism and a first distributing flattening mechanism (A12) which are arranged in sequence along the traveling direction, and a second distributing flattening mechanism (A21) and a third distributing flattening mechanism (A22) which can move and stretch are arranged at the side direction and/or the rear direction of the first distributing flattening mechanism (A12);

the guniting vibrating mechanism (A11) comprises a guniting mixing part (A111) and a vibrating part (A112) which are sequentially arranged from front to back, and a guniting head (A113) is arranged on the guniting mixing part (A111);

the vibrating end of the vibrating part (A112) is positioned below the first material distribution flattening mechanism (A12).

10. Paving machine as in any claim from 1 to 5, characterized in that on said carriage (C) there is also provided a grinding disc (A4), the grinding disc (A4) being located behind the expansion joint cutting means (A3).

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