CN209975325U - Asphalt concrete pavement construction equipment based on 3D digital control system - Google Patents

Abstract

The utility model relates to an asphalt concrete pavement construction equipment based on 3D digital control system, including the spreading frame, be provided with feeding mechanism on the spreading frame, the export of feeding mechanism links up with the feed inlet of distributing device, the distributing device rear is provided with vibrator and scalds the flat board, still be provided with GPS receiver, the control box, laser emitter, laser acceptance target and surveyor's level on the spreading frame, GPS receiver is used for receiving road bed position signal to the control box, laser emitter is used for receiving the elevation control point of paver, laser emitter transmits the signal to the control box in, the surveyor's level is used for measuring the elevation data of receiving the paver, the surveyor's level signal transmission is to the control box in, the control box controls the height and the angle of elevation of each distributing device, vibrator and boiling hot flat board, through carrying out corresponding adjustment to paver flat board, distributing device and vibrator, therefore, the paved road surface generates the change of gradient and elevation, and the fluctuation of the road surface is compensated.

Description

Asphalt concrete pavement construction equipment based on 3D digital control system

Technical Field

The utility model belongs to the technical field of the engineering construction and specifically relates to an asphalt concrete road surface construction equipment based on 3D digital control system.

Background

The base course of urban roads and expressways generally adopts asphalt concrete, and when the asphalt concrete cushion is laid at present, the traditional construction operation is that a plurality of constructors operate vibrators to vibrate and level, and the elevation and the flatness of construction are measured and controlled through pre-placed pile lines. The traditional measurement control method has low efficiency and low precision, cannot ensure the efficiency and the precision, cannot effectively construct the asphalt concrete with a slope or a complex curved surface, and needs to be constructed again if the finished surface does not meet the requirements of construction standards. Since the material for paving is expensive, the loss caused once a problem occurs in a certain link is enormous, and there is a problem that the paved surface is not flat.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an asphalt concrete road surface construction equipment based on 3D digital control system can effectively improve the accurate control to asphalt concrete cushion thickness and roughness.

The utility model provides a solve technical problem and adopt following technical scheme:

asphalt concrete road surface construction equipment based on 3D digital control system, including the frame that paves, be provided with feeding mechanism in the frame that paves, feeding mechanism's export links up with the feed inlet of distributing device, the distributing device rear is provided with the vibrator and scalds the flat board, it accepts target and surveyor's level still to be provided with GPS receiver, control box, laser emitter, laser in the frame that paves, the GPS receiver is used for receiving road bed position signal to control box, laser emitter is used for receiving the elevation control point of paver, laser emitter is with signal transmission to the control box in, the surveyor is used for surveying the elevation data of receiving the paver, surveyor's level signal transmission is to the control box in, the control box control each distributing device, vibrator and scald the height of flat board and the angle of elevation.

The utility model discloses still have following characteristic:

the distributing device, the vibrator and the ironing plate are all connected with a hydraulic oil cylinder, the hydraulic oil cylinder drives the distributing device, the vibrator and the ironing plate to lift, oil inlets and oil outlets of the hydraulic oil cylinder are all communicated with the electromagnetic valve through hoses, and the control box sends control signals to the electromagnetic valve to control the telescopic stroke of the hydraulic oil cylinder.

And guide rollers are arranged on two sides of the paving machine frame and are in rolling fit with the guide rails.

The guide roller rotary type sets up in the frame that paves, guide roller's pivot one end and the output shaft of gearbox, the input shaft and the hydraulic motor of gearbox are connected.

The feeding mechanism is including setting up the feed storehouse in the frame that paves, the feed storehouse is big-end-up's shell structure, the lower extreme setting and the export in feed storehouse, the bottom of a storehouse in feed storehouse is provided with the guide screw rod, the horizontal and the export in the directional feed storehouse of rod end of guide screw rod length direction.

The bottom of feed bin is provided with the passage, the guide screw rod rotary type sets up in the passage, the export setting of feed bin is in the nose of passage department of passage.

The pipe-shaped and pipe length direction level of distributing device, the hob has been arranged to the intraluminal bedroom of distributing device, a plurality of discharge gates have been seted up to the pipe wall equidistance of distributing device.

The vibrator sets up on the installation casing, the installation casing is articulated with the one end of connecting rod, the other end of connecting rod is articulated with the frame of paving, the articulated shaft level at connecting rod both ends, the pole body of connecting rod is articulated with lift cylinder's piston rod, lift cylinder's cylinder body is articulated with the frame of paving, lift cylinder's articulated shaft is parallel with the connecting rod articulated shaft.

The articulated setting of one end of vibrator is in the frame that paves, the bar opening has been seted up on the installation casing, the other end of vibrator slides and is provided with the slide bar, the slide bar is vertical to be arranged and the lower rod end stretches out the one end of vibrator and be "T" shape, the upper end and the installation casing of slide bar pass through the articulated shaft and be connected, the cover is equipped with the spring on the slide bar, the both ends of spring lean on with the one end of installation casing and vibrator respectively and lean on.

Compared with the prior art, the beneficial effects of the utility model are embodied in: a GPS measuring system consisting of a GPS reference station, a laser transmitter and a GPS mobile station is used for providing a plane centimeter-level and elevation millimeter-level positioning technology in real time, and driving signals generated by a paver control box correspondingly adjust a paver screed, a distributing device and a vibrator, so that the paved road surface generates gradient and elevation changes, the pavement fluctuation is compensated, and the construction technology of the pavement evenness and thickness meeting the design requirements is realized.

Drawings

FIG. 1 is a schematic structural diagram of an asphalt concrete pavement construction equipment based on a 3D digital control system;

FIG. 2 is a front view showing a state of use of the asphalt concrete pavement constructing apparatus based on the 3D digital control system;

FIG. 3 is a schematic structural diagram of a side part of an asphalt concrete pavement construction device based on a 3D digital control system;

FIG. 4 is a logic block diagram of an asphalt concrete pavement construction system based on a 3D digital control system;

FIG. 5 is a logic block diagram of a 3D digital control system based asphalt concrete pavement construction method.

Detailed Description

Referring to fig. 1 to 5, the structural features of the present asphalt concrete pavement construction equipment based on the 3D digital control system are detailed as follows:

the asphalt concrete pavement construction equipment based on the 3D digital control system comprises a paving machine frame 10, the spreading rack 10 is provided with a feeding mechanism 20, an outlet of the feeding mechanism 20 is connected with a feeding hole of a distributing device 30, a vibrator 40 and an ironing plate 50 are arranged behind the distributing device 30, a GPS receiver 60, a control box 70, a laser transmitter 80, a laser receiving target 90 and a level gauge 100 are also arranged on the spreading rack 10, the GPS receiver 60 is configured to receive a roadbed position signal to the control box 70, the laser transmitter 80 is configured to receive an elevation control point of the paving machine, the laser transmitter 80 transmits signals into the control box 70, the level gauge 100 is used for measuring and receiving elevation data of the paver, the leveling instrument 100 transmits signals to the control box 70, and the control box 70 controls the heights and the elevation angles of the distributing devices 30, the vibrators 40 and the ironing plate 50;

referring to fig. 4, a GPS measurement system consisting of a GPS reference station, a laser transmitter, and a GPS rover is used to provide a planar centimeter-level and elevation millimeter-level positioning technique in real time, and a paver control box 70 correspondingly generates a driving signal to correspondingly adjust a paver screed 50, a distributor 30, and a vibrator 40, so that a paved road surface changes in slope and elevation, and road surface fluctuation is compensated, thereby realizing a construction technique for achieving the road surface flatness and thickness required by design.

As a preferred scheme of the present invention, as shown in fig. 4, the material distributor 30, the vibrator 40 and the ironing plate 50 are all connected to a hydraulic cylinder, the hydraulic cylinder drives the material distributor 30, the vibrator 40 and the ironing plate 50 to move up and down, oil inlets and oil outlets of the hydraulic cylinder are all communicated with an electromagnetic valve through hoses, and the control box 70 sends a control signal to the electromagnetic valve to control the telescopic stroke of the hydraulic cylinder;

the hydraulic valve drives the hydraulic oil cylinder of the traction arm of the paver to correspondingly adjust the screed plate, so that the paved road surface generates the changes of gradient and elevation, and the fluctuation of the road surface is compensated.

In order to realize the straight movement of the equipment and ensure the constant height of the spreading frame 10, the spreading frame 10 is used as a horizontal positioning point, guide rollers 110 are arranged on two sides of the spreading frame 10, and the guide rollers 110 and the guide rails 111 form rolling fit.

Specifically, as shown in fig. 1 and fig. 2, in order to realize the movement of the guide wheel 110, the guide wheel 110 is rotatably disposed on the paving machine frame 10, one end of the rotating shaft of the guide wheel 110 is connected to an output shaft of the transmission case 112, and an input shaft of the transmission case 112 is connected to the hydraulic motor 113.

In order to realize the feeding of the asphalt concrete, the feeding mechanism 20 includes a feeding bin 21 arranged on the paving machine frame 10, the feeding bin 21 is of a shell-shaped structure with a large top and a small bottom, the lower end of the feeding bin 21 is provided with an outlet, the bin bottom of the feeding bin 21 is provided with a guide screw 22, the length direction of the guide screw 22 is horizontal, and the rod end points to the outlet of the feeding bin 21;

asphalt concrete has the asphalt concrete trailer to transport specially to timely transportation realizes stabilizing the feed to the feed storehouse 21 in, avoids asphalt concrete feed cutout.

In order to realize effective derivation of the asphalt concrete material, the bottom of the feeding bin 21 is provided with a material guide pipe 211, the material guide screw 22 is rotatably arranged in the material guide pipe 211, and an outlet of the feeding bin 21 is arranged at a pipe orifice of the material guide pipe 211.

In order to realize uniform guiding of asphalt concrete materials, the distributor 30 is tubular and horizontal in the pipe length direction, a screw rod 31 is arranged in a chamber in a pipe cavity of the distributor 30, and a plurality of discharge holes 32 are formed in the pipe wall of the distributor 30 at equal intervals;

the screw rod 31 rotating at a high speed can effectively move the asphalt concrete along the material supplementing device 30, and a discharge hole 32 is arranged for leading out the asphalt concrete, so that the uniform leading-out of the asphalt concrete is realized.

In order to realize the adjustment of the height of the vibrator 40, the vibrator 40 is arranged on an installation shell 41, the installation shell 41 is hinged to one end of a connecting rod 42, the other end of the connecting rod 42 is hinged to the paving frame 10, hinged shafts at two ends of the connecting rod 42 are horizontal, a rod body of the connecting rod 42 is hinged to a piston rod of a lifting oil cylinder 43, a cylinder body of the lifting oil cylinder 43 is hinged to the paving frame 10, and the hinged shaft of the lifting oil cylinder 43 is parallel to the hinged shaft of the connecting rod 42.

Specifically, as shown in fig. 3, one end of the vibrator 40 is hinged to the paving machine frame 10, a strip-shaped opening 411 is formed in the mounting housing 41, a sliding rod 44 is slidably disposed at the other end of the vibrator 40, the sliding rod 44 is vertically disposed, one end of the lower rod end extending out of the vibrator 40 is in a "T" shape, the upper end of the sliding rod 44 is connected with the mounting housing 41 through a hinge shaft, a spring 45 is sleeved on the sliding rod 44, and two ends of the spring 45 are respectively abutted to one end of the mounting housing 41 and one end of the vibrator 40;

the vibrator 40 is slidably disposed on the sliding rod 44 and connected to the road surface by the spring 45, so that the vibrator 40 is elastically pressed against the road surface, vibration of the road bed can be effectively realized, and the road surface can be kept flat.

Referring to fig. 5, a method for constructing an asphalt concrete pavement based on a 3D digital control system is described in detail, and the method is generally divided into the following steps:

s100, preparing a job;

s200, setting system parameters;

s300, erecting a GPS base station;

s400, erecting a GPS mobile station;

s500, erecting a laser transmitter;

s600, laser flow station installation and correction;

s700, 3D paving;

and S800, quality control standard.

The steps are as follows:

firstly, laying lead control points; the wire control point encryption is preferably selected as follows, 1) using the wire control points provided by the design unit; 2) and properly encrypting according to the line shape of the field road, and arranging 1 wire control point every 500-1000 m; 3) the whole surface layer can be used in the whole circulating construction process;

re-testing wire control, wherein re-testing should be organized in time after wire control points are encrypted, re-testing work should be executed according to the requirements of 3.3.1-3.3.8 in engineering measurement Specification (GB 50026-2007), and the re-testing results of the wire control points can be used after approval;

secondly, laying level control points; the quasi-control point encryption is preferably selected as follows:

1) preferably using the level control points provided by the design unit;

2) properly encrypting according to the line shape of the on-site road, and arranging 1 level control point every 100-150 m;

3) the whole surface layer can be used in the whole circulating construction process;

4) the place for arranging the level control points is preferably 10-20m away from the construction site, so that the influence of the vibration of the road roller is avoided;

5) influence of shielding of buildings or vehicles on signals of the laser transmitter is avoided;

6) the condition that the laser emitter can be placed and centered is met;

re-testing the leveling point control, organizing re-testing in time after the leveling control point is encrypted, executing re-testing work according to the requirements of 4.2.1-4.2.5 of engineering measurement Specification (GB 50026-2007), and using the re-testing result of the leveling control point after approval;

thirdly, mounting the antenna and the laser receiving device; the antenna and the laser receiving target are arranged on the fixed steel tube upright post, and the antenna and the laser receiving target are preferably selected according to the following requirements:

1) the receiving target is preferably higher than the ceiling of the paver by 1 m;

2) the bilateral control system is suitable for being symmetrical and vertical to the left and the right;

fix the control box on the paver, receive cable and laser receiving target cable junction on the control box with the antenna, connect the cable of contact between control box and the paver hydraulic solenoid valve, open the laser receiver switch, inspect the laser receiver display lamp: the power lamp displays a red light, and the power is switched on; the green light flickers, the laser receiver normally operates, a specially-assigned person is required to check and accept after the laser receiver is installed, and the laser receiver can be used after being confirmed by signature;

fourthly, setting road parameters, and leading the route design data into a control box according to a road straight line table, a road curve table, a road corner table, a longitudinal slope table and a vertical curve table provided by a road design drawing, and a pile-by-pile coordinate table; the road parameters are input by 1 person, and the road parameters are rechecked by 1 person, and the road parameters can be guided into a system control box after the road parameters are correct;

fifthly, erecting a laser transmitter, starting the laser transmitter, confirming the working state of the laser transmitter, installing and correcting the laser mobile station, wherein the measurement correction precision can meet the condition that the measurement results in any two axial directions are less than 10 ″, a specially-assigned person is required to check and recheck after the laser transmitter is corrected, and the laser transmitter can be used after signature confirmation;

sixthly, determining 3D paving parameters of the paver, measuring the height from the GPS antenna to the ground, the distance from the horizontal direction of the central axis of the antenna to the screed, the distance from the central axis of the antenna to the screed and the length of the screed of the paver, and inputting data into a control box;

seventhly, calibrating the electromagnetic valves, starting the paver to be in an operating state, opening the control panel, and respectively setting the electromagnetic valves on the left side or the right side of the screed, wherein the electromagnetic valves are proper values when the numerical values of the electromagnetic valves are adjusted to the critical values of the corresponding hydraulic cylinders for starting to act;

eighthly, erecting and correcting the laser transmitter, erecting the laser transmitter on a known level control point, erecting the mobile station on the same horizontal plane with the transmitter, and measuring and correcting four surfaces of the transmitter by about 30 meters;

step nine, erecting a GPS reference station, selecting a lead control point on a road section of a road surface to be paved, and erecting the GPS reference station on the lead control point; and selecting a wire control point on a road section of the road surface to be paved, and erecting the GPS reference station on the wire control point. The signal quality of a GPS reference station may be affected in the following cases:

1) the wire control point is far away from the construction road section;

2) a tall building near the wire control point;

step ten, setting control point parameters; creating a control point file, and inputting the name and the coordinate information of the wire control point into the wire control point file;

step ten, setting GPS reference station parameters and starting a GPS reference station, inputting the height and station information of the GPS reference station, completing the setting of a GPS receiving signal, completing the initialization of a receiver, and starting a GPS base station;

step ten, erecting a GPS mobile station, and mounting a GPS mobile station host on the centering rod;

step thirteen, correcting the point location, including the correction of the GPS reference station erected at the known point location and the correction of the GPS reference station erected at the unknown point location; and (3) correcting the GPS reference station erected at a known point: inputting coordinates of a GPS reference station erected at a known wire control point and the height of an antenna, setting the type of the antenna, clicking a correction function key to correct, and correcting the GPS reference station erected at an unknown point position;

inputting the coordinates and the antenna erected at the known wire control point of the current GPS mobile station;

fourthly, mounting and fixing the laser mobile station on the centering rod, turning on a laser mobile station and a mobile station manual-thin switch, and inputting laser emitter parameters and laser mobile station parameters; the laser moving station is placed on a control point near a laser emitter and centered, and various parameters of the control point are measured, and when the relative error meets the following requirements, the laser moving station can be used;

1) the plane measurement error is not more than 1 cm;

2) the elevation measurement error is not more than 1 mm;

fifteenth step, determining working parameters of the paver, setting the paving thickness of the virtual paving working surface according to the determined loose paving coefficient of the test section, and adjusting the height and the elevation angle of the screed plate according to the paving thickness by the paver at the initial section;

sixthly, placing a wood board pad screed plate when the paver starts to pave, making the elevation angle of the screed plate 50 be adjusted to the normal paving angle when the paver starts to pave according to the designed thickness, enabling the height of the screed plate 50 to return to zero, opening a control panel during paving, clicking to start, and enabling the paver to enter an automatic paving state; when the 1 st paver is closer to the 2 nd laser transmitter or the 1 st laser transmitter is shielded, the instrument is switched to the 2 nd laser transmitter, and similarly, when the 2 nd paver is closer to the 2 nd laser transmitter, the instrument is switched to the 2 nd laser transmitter; and after the 2 nd paver is switched to the 2 nd laser transmitter, the 1 st laser transmitter is closed, and the next leveling control point is switched to be installed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. Asphalt concrete road surface construction equipment based on 3D digital control system, its characterized in that: including spreading frame (10), be provided with feeding mechanism (20) on spreading frame (10), the export of feeding mechanism (20) links up with the feed inlet of distributing device (30), distributing device (30) rear is provided with vibrator (40) and scalds flat board (50), still be provided with GPS receiver (60), control box (70), laser emitter (80), laser on spreading frame (10) and accept target (90) and surveyor's level (100), GPS receiver (60) are used for receiving road bed position signal to control box (70), laser emitter (80) are used for receiving the elevation control point of paver, laser emitter (80) are with signal transmission to control box (70) in, surveyor's level (100) are used for surveying the elevation data of receiving the paver, surveyor's level (100) signal transmission is to control box (70) in, the control box (70) controls the height and the elevation angle of each distributing device (30), each vibrator (40) and each ironing plate (50).

2. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 1, wherein: the distributing device (30), the vibrator (40) and the ironing plate (50) are all connected with a hydraulic oil cylinder, the hydraulic oil cylinder drives the distributing device (30), the vibrator (40) and the ironing plate (50) to lift, oil inlets and oil outlets of the hydraulic oil cylinder are all communicated with the electromagnetic valve through hoses, and the control box (70) sends control signals to the electromagnetic valve to control the telescopic stroke of the hydraulic oil cylinder.

3. 3D digital control system based asphalt concrete pavement construction equipment according to claim 1 or 2, characterized in that: guide rollers (110) are arranged on two sides of the paving rack (10), and the guide rollers (110) are in rolling fit with the guide rails (111).

4. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 3, wherein: guide roller (110) rotary type sets up on frame (10) paves, the pivot one end of guide roller (110) and the output shaft of gearbox (112), the input shaft and the hydraulic motor (113) of gearbox (112) are connected.

5. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 4, wherein: the feeding mechanism (20) comprises a feeding bin (21) arranged on the paving machine frame (10), the feeding bin (21) is of a shell-shaped structure with a large upper part and a small lower part, the lower end of the feeding bin (21) is arranged at an outlet, a material guiding screw rod (22) is arranged at the bin bottom of the feeding bin (21), and the length direction of the material guiding screw rod (22) is horizontal and the rod end of the material guiding screw rod points to the outlet of the feeding bin (21).

6. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 5, wherein: the bottom of the feeding bin (21) is provided with a material guide pipe (211), the material guide screw (22) is rotatably arranged in the material guide pipe (211), and the outlet of the feeding bin (21) is arranged at the pipe opening of the material guide pipe (211).

7. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 6, wherein: distributing device (30) tubulose and the long direction level of pipe, screw rod (31) have been arranged to the intracavity bedroom of distributing device (30), a plurality of discharge gates (32) have been seted up to the pipe wall equidistance of distributing device (30).

8. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 7, wherein: vibrator (40) set up on installation casing (41), installation casing (41) are articulated with the one end of connecting rod (42), the other end of connecting rod (42) is articulated with frame (10) that paves, the articulated shaft level at connecting rod (42) both ends, the pole body of connecting rod (42) is articulated with the piston rod of lift cylinder (43), the cylinder body of lift cylinder (43) is articulated with frame (10) that paves, the articulated shaft of lift cylinder (43) is parallel with connecting rod (42) articulated shaft.

9. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 8, wherein: the articulated setting of the one end of vibrator (40) is on frame (10) paves, bar opening (411) have been seted up on installation casing (41), the other end of vibrator (40) slides and is provided with slide bar (44), slide bar (44) are vertical to be arranged and the lower rod end stretches out the one end of vibrator (40) and is "T" shape, the upper end and the installation casing (41) of slide bar (44) are connected through the articulated shaft.

10. The 3D digital control system based asphalt concrete pavement construction equipment according to claim 9, wherein: the sliding rod (44) is sleeved with a spring (45), and two ends of the spring (45) are respectively abutted against one end of the mounting shell (41) and one end of the vibrator (40).

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