Laser scanning device for asphalt paving construction and tunnel construction method

Abstract

The application discloses a kind of laser scanning device and tunnel construction method for asphalt paving construction, belong to tunnel engineering technical field.A kind of laser scanning device and tunnel construction method for asphalt paving construction, including box and adjusting column, adjusting column is located inside the box, the outside of adjusting column is provided with sleeve, the outside of sleeve is provided with moving block, the side of box is provided with mounting plate, the side of mounting plate is provided with display panel, laser control panel, bubble level and foot control panel.To solve the problem that the space in the tunnel is narrow, making the paving asphalt operation efficiency is low, the engineering quality is difficult to guarantee, by retrofitting the original paver, so that the paver can adapt to the narrow space of the tunnel, then set the box in the construction section, the box emits laser parallel to the construction surface, finally the personnel control the retrofitted paver along the laser to pave asphalt, so as to guarantee the accuracy of construction operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel engineering, in particular to a laser scanning device for asphalt paving construction and a tunnel construction method. BACKGROUND

[0002] Tunnel construction is a complex and precise engineering, involving transportation, underground facilities and urban planning and other fields. Before the tunnel construction, the scheme design needs to be made according to the specific conditions of the project, including the position, length, depth, cross-section shape of the tunnel, etc. The design scheme needs to meet the needs of the project, and at the same time, the feasibility and safety of the construction need to be considered. After the scheme design of the tunnel is determined, the specific geological conditions of the project need to be surveyed, including geological structure, stratum condition and underground water condition, etc.

[0003] However, in the tunnel engineering, sometimes the tunnel clearance is insufficient due to design or actual conditions. The traditional asphalt pavement construction method is often limited and cannot be normally constructed, which not only affects the progress of the project, but also may reduce the quality and service life of the pavement. The narrow space in the tunnel makes the paving asphalt operation inefficient, and the quality of the project is difficult to guarantee. Therefore, the existing needs are not met, and the present application provides a laser scanning device for asphalt paving construction and a tunnel construction method. SUMMARY

[0004] The purpose of the present application is to provide a laser scanning device for asphalt paving construction and a tunnel construction method. The original paving machine is modified so that the paving machine can adapt to the narrow space of the tunnel. Then a box is set up at the construction section, the box emits laser parallel to the construction surface outward, and finally personnel control the modified paving machine along the laser to pave asphalt operation, which can guarantee the accuracy of the construction operation and solve the problems in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a laser scanning device for asphalt paving construction, comprising a box, further comprising an adjusting column, the adjusting column is located in the interior of the box, a sleeve is arranged on the exterior of the adjusting column, a moving block is arranged on the exterior of the sleeve, guide rods are arranged at both ends of the moving block, a laser emitter is arranged at one end of the guide rod, an installation plate is arranged on one side of the box, a display panel, a laser control panel, a bubble level and a foot control panel are arranged on the side of the installation plate, a fixed plate is arranged below the box, a foot is arranged below the fixed plate, and a scale line is arranged on the side of the display panel.

[0006] Preferably, a threaded wall is arranged on the surface of the adjusting column, the sleeve is threadedly connected with the adjusting column, a first motor is arranged on the side of the moving block, the first motor is connected with one end of the guide rod in a shaft manner, and a limiting plate is arranged at the lower end of the sleeve.

[0007] Preferably, one side of the moving block is provided with a second motor, the upper end of the second motor is provided with a driving wheel, the upper end of the sleeve is provided with a driven wheel, the driving wheel is connected with the shaft of the second motor, and the driving wheel is connected with the driven wheel through a belt.

[0008] Preferably, the fixed plate is a hollow cuboid structure with an open bottom, the inside of the fixed plate is provided with an electric telescopic rod, the inner wall of the fixed plate is provided with a sliding groove, one end of the electric telescopic rod is provided with a sliding block, one end of the sliding block is provided with a supporting rod, and the side surface of the sliding block is provided with a sliding groove.

[0009] Preferably, the upper surface of the foot is provided with a positioning plate, the upper surface of the positioning plate is provided with a guide column, one end of the supporting rod is connected with the shaft of the positioning plate, the other end of the supporting rod is connected with the shaft of the sliding block, the outer surface of the guide column is provided with a guide sleeve, and the guide sleeve is fixed to the lower surface of the box body.

[0010] A tunnel asphalt paving construction method is realized based on a laser scanning device for asphalt paving construction, and comprises the following steps:

[0011] S1, adjusting and modifying the local position of the original paving machine;

[0012] S2, placing the box body on the construction section, and adjusting the heights of the two feet to the bubble level to be in a horizontal state;

[0013] S3, adjusting the height of the moving block according to the construction design drawing, and adjusting the laser angle of the laser emitter to be parallel to the construction ground;

[0014] S4, the paving machine performs asphalt paving operation on the construction section along the laser, and the asphalt thickness is the height of the moving block displayed by the display panel.

[0015] Preferably, the original paving machine is adjusted and modified in S1, and the method comprises the following steps:

[0016] S101, cutting the upper ceiling of the paving machine and lowering the height of the smoke outlet;

[0017] S102, modifying the track wheels of the original paving machine into two front guide tires and two rear drive tires;

[0018] S103, installing a corner turner on the wheel shaft of the two guide tires.

[0019] Compared with the prior art, the method has the beneficial effects that:

[0020] 1. The application reduces the overall height of the original paving machine first, then the original paving machine track wheel is modified into a tire, and finally a corner turner is installed at the front wheel axle position, so that the paving machine can adapt to the narrow space of the tunnel, when paving asphalt in the tunnel, personnel set the box at the construction section, the inside of the box is provided with a movable block that can move up and down, the height of the movable block is adjusted according to the construction design drawing, and the angle of the laser emitted by the laser emitter is adjusted to be parallel to the construction ground, finally the personnel control the modified paving machine to pave asphalt along the laser, the asphalt thickness is the height of the movable block displayed by the display panel, thereby meeting the requirements of construction in the narrow space and insufficient light tunnel, and ensuring the accuracy of construction operation.

[0021] 2. The application sets a footing below the box, after the personnel set the box at the construction section, the box needs to be adjusted to a horizontal state, at this time the personnel can adjust the height of the left and right two footings by controlling the electric telescopic rod to extend and retract through the footing control panel, the electric telescopic rod extends and the footing descends along the guide column, and vice versa, the two footings cooperate to adjust the box to a horizontal state; at the same time, the personnel can adjust the angle of the laser emitted by the laser emitter to be parallel to the construction ground by controlling the first motor to rotate through the laser control panel, and adjust the height of the movable block by controlling the second motor to rotate through the laser control panel, wherein the second motor rotates to drive the sleeve to rotate, since the sleeve is screwed with the adjusting column, the sleeve can move up and down along the adjusting column when the sleeve rotates, and thus the movable block moves up and down, thereby realizing the adjustment of the laser emission angle and height, meeting the surveying and mapping requirements, and improving the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall schematic diagram of the application;

[0023] Figure 2 It is the local structure schematic diagram of the adjusting column of the application;

[0024] Figure 3 It is the local structure schematic diagram of the movable block of the application;

[0025] Figure 4 It is the local structure schematic diagram of the footing of the application;

[0026] Figure 5 It is the modification schematic diagram of the original paving machine of the application;

[0027] Figure 6 It is the corner turner installation schematic diagram of the application;

[0028] Figure 7 It is the display panel scale line schematic diagram of the application.

[0029] In the figure: 1, box; 101, mounting plate; 102, display panel; 103, laser control panel; 104, bubble level; 105, foot control panel; 106, fixed plate; 2, adjusting column; 201, moving block; 202, guide rod; 203, laser emitter; 204, first motor; 205, second motor; 2051, driving wheel; 206, belt; 207, sleeve; 2071, driven wheel; 2072, limit plate; 3, foot; 301, positioning plate; 302, guide column; 3021, guide sleeve; 303, support rod; 304, sliding block; 3041, sliding groove; 3042, slide; 305, electric telescopic rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In order to solve the problem that the space in the tunnel is narrow, which makes the paving asphalt operation efficiency low and the engineering quality difficult to guarantee, please refer to Figures 1-7 The technical solutions are provided in the embodiments as follows:

[0032] A laser scanning device for asphalt paving construction, comprising a box 1, further comprising an adjusting column 2, the adjusting column 2 is located inside the box 1, a sleeve 207 is arranged outside the adjusting column 2, a moving block 201 is arranged outside the sleeve 207, guide rods 202 are arranged at both ends of the moving block 201, a laser emitter 203 is arranged at one end of the guide rod 202, a mounting plate 101 is arranged on one side of the box 1, a display panel 102, a laser control panel 103, a bubble level 104 and a foot control panel 105 are arranged on the side of the mounting plate 101, a fixed plate 106 is arranged below the box 1, a foot 3 is arranged below the fixed plate 106, and a scale line is arranged on the side of the display panel 102.

[0033] A threaded wall is arranged on the surface of the adjusting column 2, the sleeve 207 is threadedly connected with the adjusting column 2, a first motor 204 is arranged on the side of the moving block 201, the first motor 204 is shaft-connected with one end of the guide rod 202, a limit plate 2072 is arranged at the lower end of the sleeve 207, a second motor 205 is arranged on one side of the moving block 201, a driving wheel 2051 is arranged at the upper end of the second motor 205, a driven wheel 2071 is arranged at the upper end of the sleeve 207, the driving wheel 2051 is shaft-connected with the second motor 205, and the driving wheel 2051 and the driven wheel 2071 are connected through a belt 206.

[0034] Specifically, personnel can control the first motor 204 to rotate through the laser control panel 103, adjust the laser angle of the laser emitter 203 to be parallel to the construction ground, control the second motor 205 to rotate through the laser control panel 103, and adjust the height of the moving block 201, wherein the second motor 205 drives the sleeve 207 to rotate, and since the sleeve 207 is threadedly connected with the adjusting column 2, the sleeve 207 can move up and down along the adjusting column 2 when rotating, and thus the moving block 201 moves up and down, so that the laser emission angle and height are adjusted, the surveying and mapping requirements are met, and the construction efficiency in the tunnel is further improved.

[0035] The fixed plate 106 is a hollow cuboid structure with an open lower surface, and the inside of the fixed plate 106 is provided with an electric telescopic rod 305. A slide 3042 is arranged on the inner wall of the fixed plate 106. One end of the electric telescopic rod 305 is provided with a sliding block 304. One end of the sliding block 304 is provided with a support rod 303. The side surface of the sliding block 304 is provided with a sliding groove 3041. The upper surface of the footing 3 is provided with a positioning plate 301. The upper surface of the positioning plate 301 is provided with a guide column 302. One end of the support rod 303 is connected with the positioning plate 301 in an axis manner. The other end of the support rod 303 is connected with the sliding block 304 in an axis manner. The outer surface of the guide column 302 is provided with a guide sleeve 3021. The guide sleeve 3021 is fixed to the lower surface of the box body 1.

[0036] Specifically, after the box body 1 is arranged on the construction road section, the height of the two left and right footings 3 needs to be adjusted to the horizontal state of the box body 1. At this time, personnel can control the electric telescopic rod 305 to extend and retract through the footing control panel 105 to adjust the height of the two left and right footings 3. When the electric telescopic rod 305 extends, the footing 3 descends along the guide column 302. Conversely, the footing 3 ascends. The two footings 3 can cooperate to adjust the box body 1 to the horizontal state, improve the adaptability of the box body 1 in different places, and further improve the accuracy of subsequent laser surveying and mapping.

[0037] A tunnel asphalt paving construction method is realized based on a laser scanning device for asphalt paving construction, and includes the following steps:

[0038] S1, adjust and modify the local position of the original paving machine, so that the paving machine can adapt to the narrow tunnel space and improve the construction efficiency of the paving machine in the tunnel.

[0039] S2, place the box body 1 on the construction road section and adjust the height of the two footings 3 to the horizontal state of the bubble level 104. When the electric telescopic rod 305 extends, the footing 3 descends along the guide column 302. Conversely, the footing 3 ascends. The two footings 3 can cooperate to adjust the box body 1 to the horizontal state, improve the accuracy of subsequent laser surveying and mapping.

[0040] S3, according to the construction design drawing to adjust the height of the moving block 201, and adjust the laser angle of the laser emitter 203 to be parallel to the construction ground, wherein the laser control panel 103 controls the second motor 205 to rotate, and the second motor 205 controls the sleeve 207 to rotate, so that the sleeve 207 moves up and down along the adjusting column 2, and then the moving block 201 moves up and down, the laser control panel 103 controls the first motor 204 to rotate, and the first motor 204 controls the guide rod 202 to move, so as to control the laser emission angle;

[0041] S4, personnel control the modified paver along the laser to perform paving asphalt operation on the construction road section, and the asphalt thickness is the height of the moving block 201 displayed by the display panel 102, which ensures the accuracy of construction and solves the short board of inaccurate measurement in the case of insufficient light in the tunnel.

[0042] Specifically, S1 adjusts and modifies the local position of the original paver, including the following steps:

[0043] S101, cut the upper ceiling of the paver, and lower the height of the smoke exhaust port, thereby reducing the overall height of the paver;

[0044] S102, the track wheels of the original paver are modified into two front guide tires and two rear drive tires;

[0045] S103, an angle adjuster is installed on the wheel shaft of each guide tire, which can realize single rotation control of a single tire, so that the guide tire can have the ability of small radius rotation, improving the flexibility of the paver during work, thereby adapting to the narrow tunnel environment.

[0046] Working principle: personnel first modify the original paver so that the paver can adapt to the narrow space of the tunnel, then set the box 1 at the construction road section, the box 1 is internally provided with a movable moving block 201, personnel adjust the height of the moving block 201 according to the construction design drawing, and adjust the laser angle of the laser emitter 203 to be parallel to the construction ground, finally personnel control the modified paver along the laser to perform paving asphalt operation, and the asphalt thickness is the height of the moving block 201 displayed by the display panel 102, thereby meeting the requirements of construction in the narrow and insufficient light tunnel, and ensuring the accuracy of construction operation.

[0047] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0048] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. A laser scanning device for asphalt paving construction, comprising a housing (1), characterized in that: The utility model further comprises an adjusting column (2), wherein the adjusting column (2) is located inside the box body (1), a sleeve (207) is provided outside the adjusting column (2), a moving block (201) is provided outside the sleeve (207), guide rods (202) are provided at both ends of the moving block (201), and a laser emitter (203) is provided at one end of the guide rod (202), a mounting plate (101) is provided on one side of the box body (1), a display panel (102), a laser control panel (103), a bubble level (104) and a foot control panel (105) are provided on the side of the mounting plate (101), a fixing plate (106) is provided below the box body (1), a foot (3) is provided below the fixing plate (106), and a scale line is provided on the side of the display panel (102); The surface of the adjusting column (2) is provided with a threaded wall, the sleeve (207) is threadedly connected to the adjusting column (2), a first motor (204) is provided on the side of the moving block (201), the first motor (204) is axially connected to one end of the guide rod (202), and a limit plate (2072) is provided at the lower end of the sleeve (207); a second motor (205) is provided on one side of the moving block (201), a driving wheel (2051) is provided at the upper end of the second motor (205), a driven wheel (2071) is provided at the upper end of the sleeve (207), the driving wheel (2051) is connected to the shaft of the second motor (205), and the driving wheel (2051) and the driven wheel (2071) are connected via a belt (206).

2. The laser scanning device for asphalt paving construction according to claim 1, characterized in that: The fixed plate (106) is a hollow rectangular parallelepiped structure with an open bottom. An electric telescopic rod (305) is provided inside the fixed plate (106). A slideway (3042) is provided on the inner wall of the fixed plate (106). A slider (304) is provided at one end of the electric telescopic rod (305). A support rod (303) is provided at one end of the slider (304). A slide groove (3041) is provided on the side of the slider (304).

3. The laser scanning device for asphalt paving construction according to claim 2, characterized in that: A positioning plate (301) is provided on the foot (3), a guide column (302) is provided on the positioning plate (301), one end of the support rod (303) is connected to the axis of the positioning plate (301), and the other end of the support rod (303) is connected to the axis of the slider (304), and a guide sleeve (3021) is provided on the outside of the guide column (302), and the guide sleeve (3021) is fixed to the bottom of the box (1).

4. A method for asphalt paving construction in a tunnel, implemented based on the laser scanning device for asphalt paving construction according to any one of claims 1 to 3, characterized in that: The following steps are involved: S1. Adjust and modify the local position of the original paver; S2, placing the box (1) on the construction section and adjusting the height of the two feet (3) until the bubble level (104) is in a horizontal state; S3, adjusting the height of the moving block (201) according to the construction design drawing, and adjusting the angle of the laser emitted by the laser emitter (203) until the laser is parallel to the construction ground; S4. The paver performs asphalt paving on the construction section along the laser beam, and the asphalt thickness is the height of the moving block (201) displayed on the display panel (102).

5. The asphalt paving construction method in a tunnel according to claim 4, characterized in that: The step S1 of adjusting and modifying the local position of the original paver includes the following steps: S101. Cut the upper roof of the paver and lower the height of the smoke exhaust port; S102, converting the original crawler wheels of the paver into two guide tires at the front and two drive tires at the rear; S103. Install anglers on the axles of the two guide tires.

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