Accurate positioning auxiliary assembly of laser paver for tunnel

By designing the adjustment and limiting components to work in tandem, the limiting problem of laser pavers for tunnels was solved, enabling precise positioning and limiting of the laser pavers, improving the smoothness and uniformity of the paved layer, and enhancing construction quality.

CN224047854UActive Publication Date: 2026-03-27SHANXI ROAD & BRIDGE CONSTR GROUP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing precision positioning auxiliary components for laser pavers used in tunnels cannot effectively limit the movement of the laser pavers, resulting in poor flatness and uniformity of the paved layer, which affects the construction quality.

Method used

A precision positioning auxiliary component for a laser paver in tunnels, including an adjustment component and a limiting component, was designed. The drive motor drives the transmission rod and pulley system, which, together with the limiting plate and spring structure, enables the angle adjustment and limiting of the laser paver to prevent deviation.

Benefits of technology

It enables precise positioning and limiting of the laser paver, improving the smoothness and uniformity of the paved layer and enhancing construction quality.

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Abstract

The utility model discloses an accurate positioning auxiliary assembly of a laser paver for a tunnel, and relates to the technical field of pavers. The device comprises a trailer, wherein one side of the trailer is fixedly connected with a shell; an adjusting assembly is arranged in the shell and comprises a transmission motor, the output end of the transmission motor is fixedly connected with a transmission rod, and the surface of the transmission rod is fixedly connected with a first belt wheel. The transmission motor works to drive the transmission rod to rotate so as to drive the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the rotating rod to rotate, the rotating rod drives the movable frame to rotate, and the movable frame drives the connecting plate and the guide rod to swing. The connecting plate drives the laser paver body to swing so as to adjust the use angle of the laser paver body, and meanwhile, the guide rod can move along the interior of the guide groove so as to prevent deviation during adjustment.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of paving machine, concretely relates to a tunnel laser paving machine accurate positioning auxiliary assembly. BACKGROUND

[0002] The tunnel laser paving machine accurate positioning auxiliary assembly is a high-precision auxiliary device integrated in a tunnel paving machine system, which aims to realize real-time monitoring and adjustment of the accurate position, angle, height and posture of the paving machine in the tunnel construction process through laser technology. The system can accurately position the paving machine in a complex tunnel environment and ensure that the paving work surface meets the design requirements of the geometric shape and precision standards through the cooperative work of the laser sensor, laser range finder, position feedback control device, sensor network and data processing unit.

[0003] The tunnel laser paving machine accurate positioning auxiliary assembly in the prior art cannot limit the angle of the laser paving machine after adjustment, which leads to easy deviation of the laser paving machine during paving, thereby affecting the flatness and uniformity of the paving layer and reducing the construction quality. Therefore, the tunnel laser paving machine accurate positioning auxiliary assembly is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above, the utility model aims to provide a tunnel laser paving machine accurate positioning auxiliary assembly, which solves the problem of the tunnel laser paving machine accurate positioning auxiliary assembly in the prior art that cannot limit the laser paving machine through the cooperation of the adjusting assembly and the limiting assembly.

[0005] To solve the above purpose, the utility model adopts the technical scheme of providing a tunnel laser paving machine accurate positioning auxiliary assembly, which comprises a trailer, and an outer shell is fixedly connected to one side of the trailer; an adjusting assembly is arranged inside the outer shell, and the adjusting assembly comprises a transmission motor, a transmission rod is fixedly connected to the output end of the transmission motor, and a first belt pulley is fixedly connected to the surface of the transmission rod; a rotating rod is rotatably connected inside the outer shell, and a second belt pulley is fixedly connected to the surface top of the rotating rod; a limiting assembly is arranged on the top of the outer shell, and the limiting assembly comprises a protective shell, and a placing shell is fixedly connected to the inner wall of each side of the protective shell; a circular plate is fixedly connected to one end of the rotating rod, and a limiting plate is fixedly connected to the top of the circular plate.

[0006] An adjustable frame is fixedly connected to the surface of the rotating rod, one side of the adjustable frame is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a laser paving machine body, and a guide rod is fixedly connected inside the adjustable frame.

[0007] A moving plate is slidably connected inside the placing shell, a limiting block is fixedly connected to one side of the moving plate, and a spring is fixedly connected to the other side of the moving plate.

[0008] The top and bottom of the shell inner cavity are provided with guide grooves, and the guide rod is slidingly connected in the guide grooves.

[0009] The placing shell is provided with a sliding groove on one side, and the limiting block is slidingly connected in the sliding groove.

[0010] The shell is provided with a movable groove on one side, and the connecting plate is slidingly connected in the movable groove.

[0011] One end of the spring is fixedly connected to one side of the moving plate, and the other end is fixedly connected to one side of the inner wall of the placing shell.

[0012] The number of the limiting plates is fourteen, and the limiting plates are used for limiting the transmission rod.

[0013] The beneficial effects of the utility model are: through the work of the transmission motor, the transmission rod can be driven to rotate, and then the first belt pulley is driven to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the rotating rod to rotate, the rotating rod drives the movable frame to rotate, the movable frame drives the connecting plate and the guide rod to swing, the connecting plate drives the laser paver body to swing, so as to adjust the use angle of the laser paver body, and at the same time, the guide rod will move along the guide groove, so as to prevent deviation during adjustment; through the rotation of the transmission rod, the circular plate can also be driven to rotate, and then the limiting plate is driven to rotate, when the limiting plate contacts the limiting block, the limiting block will drive the moving plate to move, the moving plate extrudes the spring, when the limiting plate is separated from the limiting block, the spring will reset the moving plate through the elasticity of the spring, the moving plate moves the limiting block to the middle of the two limiting plates, so as to prevent the laser paver body from deviating during use. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0015] Figure 1 It is a perspective view of a kind of tunnel laser paver precision positioning auxiliary assembly.

[0016] Figure 2 It is the internal structure schematic view of shell.

[0017] Figure 3 It is the structure schematic view of adjusting component and limiting component.

[0018] Figure 4 It is the internal structure schematic view of protective shell.

[0019] Figure 5 It is the internal structure schematic view of placing shell.

[0020] In the figure: 1, trailer; 2, shell; 3, transmission motor; 4, transmission rod; 5, first pulley; 6, rotating rod; 7, second pulley; 8, protective shell; 9, placing shell; 10, round plate; 11, limiting plate; 12, movable frame; 13, connecting plate; 14, laser paving machine body; 15, guide rod; 16, moving plate; 17, limiting block; 18, spring; 19, guide groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments. EMBODIMENT

[0022] As Figures 1-5 shown in the utility model is a kind of tunnel laser paving machine precision positioning auxiliary assembly, including trailer 1, and one side of trailer 1 is fixedly connected with shell 2;Shell 2 is provided with adjusting assembly inside, and adjusting assembly includes transmission motor 3, and the output end of transmission motor 3 is fixedly connected with transmission rod 4, and the surface of transmission rod 4 is fixedly connected with first pulley 5, and shell 2 is rotatably connected with rotating rod 6 inside, and the surface top of rotating rod 6 is fixedly connected with second pulley 7;Shell 2 top is provided with limiting component, and limiting component includes protective shell 8, and the inner wall both sides of protective shell 8 are fixedly connected with placing shell 9, and one end of rotating rod 6 is fixedly connected with round plate 10, and the top of round plate 10 is fixedly connected with limiting plate 11.

[0023] Specifically: trailer 1 can drive laser paving machine body 14 to move, transmission motor 3 can drive rotating rod 6 to rotate by transmission rod 4, to facilitate adjusting the use angle of laser paving machine body 14, first pulley 5 and second pulley 7 are connected by belt transmission between them, limiting plate 11 can be conveniently positioned to transmission rod 4, to prevent laser paving machine body 14 from deviating when in use. EMBODIMENT

[0024] As Figure 3As shown, on the basis of embodiment 1, the movable frame 12 is fixedly connected to the surface of the rotating rod 6, one side of the movable frame 12 is fixedly connected with the connecting plate 13, one side of the connecting plate 13 is fixedly connected with the laser paving machine body 14, the movable frame 12 is fixedly connected with the guide rod 15 inside, the moving plate 16 is slidably connected inside the placing shell 9, the moving plate 16 is fixedly connected with the limiting block 17 on one side, the moving plate 16 is fixedly connected with the spring 18 on the other side, the guide grooves 19 are formed in the top and bottom of the inner cavity of the shell 2, the guide rod 15 is slidably connected inside the guide grooves 19, the sliding grooves are formed in one side of the placing shell 9, the limiting block 17 is slidably connected inside the sliding grooves, the movable grooves are formed in one side of the shell 2, the connecting plate 13 is slidably connected inside the movable grooves, one end of the spring 18 is fixedly connected to one side of the moving plate 16, and the other end is fixedly connected to one side of the inner wall of the placing shell 9, and the number of the limiting plates 11 is fourteen, which is used for limiting the transmission rod 4.

[0025] Specifically: the movable frame 12 can drive the laser paving machine body 14 to swing, so that the purpose of adjusting the use angle is realized, the guide rod 15 can limit the movable frame 12 when adjusting the angle, so that the deviation is prevented, the limiting block 17 can facilitate the subsequent limiting work, and the practicability during use is increased, the guide grooves 19 can limit the guide rod 15, the sliding grooves can facilitate the movement of the limiting block 17, and the spring 18 can reset the moving plate 16 and the limiting block 17 through the elasticity of the spring 18.

[0026] The working principle of the utility model is as follows: when it is needed to adjust the use angle of the laser paving machine body 14 and limit it, the user starts the transmission motor 3 through the external controller, the transmission motor 3 drives the transmission rod 4 to rotate, the transmission rod 4 drives the first belt pulley 5 to rotate, the first belt pulley 5 drives the second belt pulley 7 to rotate through the belt, the second belt pulley 7 drives the rotating rod 6 to rotate, the rotating rod 6 drives the movable frame 12 to rotate, the movable frame 12 drives the connecting plate 13 and the guide rod 15 to swing, the connecting plate 13 drives the laser paving machine body 14 to swing, so that the use angle of the laser paving machine body 14 is adjusted, and meanwhile the guide rod 15 moves along the inside of the guide groove 19, so that deviation during adjustment is prevented. The transmission rod 4 can also drive the circular plate 10 to rotate, the circular plate 10 drives the limiting plate 11 to rotate, when the limiting plate 11 is in contact with the limiting block 17, the limiting block 17 will drive the moving plate 16 to move, the moving plate 16 extrudes the spring 18, when the limiting plate 11 is separated from the limiting block 17, the spring 18 will reset the moving plate 16 through the elasticity of the spring 18, the moving plate 16 moves the limiting block 17 to the middle of the two limiting plates 11, so that deviation of the laser paving machine body 14 during use is prevented.

[0027] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled through a control unit, the control circuit of the control unit can be realized through simple programming of the technical personnel in the field, and the control mode and the circuit connection are well known in the art, so the utility model will not be explained in detail.

[0028] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the technical personnel in the art can well understand and utilize the utility model.

Claims

1. A precision positioning auxiliary assembly for a laser paver for tunnels, comprising a trailer (1), characterized in that: The trailer (1) is fixedly connected with a shell (2) on one side; the shell (2) is internally provided with an adjusting assembly; the adjusting assembly comprises a transmission motor (3), the transmission motor (3) is fixedly connected with a transmission rod (4) at the output end, and the transmission rod (4) is fixedly connected with a first belt pulley (5) on the surface; the shell (2) is rotatably connected with a rotating rod (6) inside, and the rotating rod (6) is fixedly connected with a second belt pulley (7) on the surface top; The shell (2) is provided with a limiting assembly on the top, the limiting assembly comprises a protective shell (8), and the protective shell (8) is fixedly connected with a placing shell (9) on the inner wall on both sides; one end of the rotating rod (6) is fixedly connected with a circular plate (10), and the circular plate (10) is fixedly connected with a limiting plate (11) on the top.

2. The precision positioning auxiliary assembly for tunneling laser paver according to claim 1, characterized in that: The rotating rod (6) is fixedly connected with a movable frame (12) on the surface, one side of the movable frame (12) is fixedly connected with a connecting plate (13), one side of the connecting plate (13) is fixedly connected with a laser paving machine body (14), and the movable frame (12) is fixedly connected with a guide rod (15) inside.

3. The precision positioning auxiliary assembly for tunneling laser paver according to claim 1, characterized in that: The placing shell (9) is slidably connected with a moving plate (16) inside, one side of the moving plate (16) is fixedly connected with a limiting block (17), and the other side of the moving plate (16) is fixedly connected with a spring (18).

4. The precision positioning auxiliary assembly for tunneling laser paver according to claim 2, characterized in that: The shell (2) is provided with a guide groove (19) on the top and the bottom of the inner cavity, and the guide rod (15) is slidably connected inside the guide groove (19).

5. The precision positioning auxiliary assembly for tunneling laser paver according to claim 3, characterized in that: The placing shell (9) is provided with a sliding groove on one side, and the limiting block (17) is slidably connected inside the sliding groove.

6. The precision positioning auxiliary assembly for tunneling laser paver according to claim 2, characterized in that: The shell (2) is provided with a movable groove on one side, and the connecting plate (13) is slidably connected inside the movable groove.

7. The precision positioning auxiliary assembly for tunneling laser paver according to claim 3, characterized in that: One end of the spring (18) is fixedly connected to one side of the moving plate (16), and the other end is fixedly connected with one side of the inner wall of the placing shell (9).

8. The precision positioning auxiliary assembly for tunneling laser paver according to claim 1, characterized in that: The limiting plate (11) is fourteen in number and is used for limiting the transmission rod (4).