Laser guide paving equipment for floor leveling

By using a laser receiver and a closed-loop control system with a servo motor and dual hydraulic cylinders for coordinated lifting, the level and height of the pressure rollers are dynamically adjusted, solving the leveling problem of existing equipment on non-horizontal ground and achieving high-precision concrete paving and leveling of floors.

CN224134169UActive Publication Date: 2026-04-17TENGZHOU COSCO CONSTRUCTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TENGZHOU COSCO CONSTRUCTION CO LTD
Filing Date
2025-05-14
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing laser-guided paving equipment has a complex roller height adjustment linkage structure, and the single pressure bar cannot adapt to non-horizontal ground, resulting in poor leveling effect.

Method used

It adopts closed-loop control based on laser receiver and servo motor, combined with dual hydraulic cylinders for coordinated lifting, dynamically adjusting the level and height of the pressure roller, and achieving concrete compaction and surface leveling through the linkage design of vibrating plate and pressure roller, and is equipped with scraper to clean residual materials on the surface of pressure roller.

Benefits of technology

To ensure the pressure roller remains level at all times, improve construction quality and efficiency, avoid secondary unevenness caused by concrete adhesion, and achieve high-precision floor leveling.

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Abstract

The utility model relates to the technical field of paving equipment, in particular to laser guide paving equipment for floor leveling, which comprises a control vehicle body, a mounting frame is arranged on the control vehicle body, a horizontal adjusting part is arranged on the right side of the mounting frame and comprises a mounting plate, and the middle of the right side of the mounting plate is rotatably connected with a rotating rod through a bearing. A driving part used for driving the rotating rod to rotate is arranged on the right side of the mounting plate, a transverse plate is arranged at the right end of the rotating rod, a paving assembly is arranged on the transverse plate and comprises two hydraulic cylinders, movable rods of the two hydraulic cylinders are jointly connected with a U-shaped support, a pressing roller is rotationally connected into the U-shaped support, and two vertical rods are arranged at the top of the U-shaped support; and laser receivers are arranged on the outer walls of the two vertical rods. According to the laser guide paving equipment for floor leveling, based on closed-loop control of the laser receiver and the servo motor, the levelness and the height of the pressing roller can be dynamically adjusted by combining cooperative lifting of the double hydraulic cylinders, and even if the construction ground is inclined, it can be ensured that the pressing roller is in a horizontal state.
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Description

Technical Field

[0001] This utility model relates to the field of paving equipment technology, specifically to laser-guided paving equipment for floor leveling. Background Technology

[0002] Laser-guided paving equipment is an advanced construction machine that uses laser technology to precisely pave and level building materials. The equipment emits a laser beam to create a plane reference, which construction workers can use as a guide for paving operations. Laser-guided technology not only improves construction accuracy but also significantly increases construction efficiency and reduces human error. In construction engineering, floor leveling is a crucial step, especially during concrete pouring; accurate leveling ensures the quality of subsequent construction and the functionality of the floor. As the construction industry's requirements for construction quality increase, laser-guided paving equipment is gradually becoming the mainstream choice for floor leveling.

[0003] Patent CN219824827U discloses an infrared laser paving equipment for concrete, including a material cart. A drive motor is fixedly installed on the top left side of the material cart, and the output shaft of the drive motor extends into the material cart and is connected to a pushing component. The pushing component is connected to the inner wall of the material cart. This invention can compact the concrete during paving by starting the drive motor and adjusting the height of the pressure roller, thus ensuring the stability of the concrete after paving and allowing the height of the paved concrete to be detected. This ensures that the overall quality is not compromised, thus demonstrating good practicality.

[0004] The aforementioned existing technology can adjust the height of the pressure roller, enabling compaction of the concrete during paving, ensuring stability after leveling, and allowing for the monitoring of the concrete height. However, this existing technology has some shortcomings in practical use. The linkage structure for adjusting the pressure roller height is relatively complex, leading to increased maintenance costs. Secondly, a single pressure bar can only adjust the vertical position of the pressure roller; if the ground where the material truck is located is not level, the pressure roller will be tilted, preventing it from leveling the concrete. To address these issues, we propose a laser-guided paving device for floor leveling to meet higher construction requirements and improve the efficiency of floor leveling. Utility Model Content

[0005] The purpose of this invention is to provide a laser-guided paving device for floor leveling, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] Laser-guided paving equipment for floor leveling includes a control vehicle that provides a platform for movement and operation. Figure 1 , Figure 2 and Figure 3 As shown, the control vehicle body is equipped with a mounting frame for fixing a leveling component. A leveling component is located on the right side of the mounting frame for dynamically adjusting the horizontal angle of the paving assembly. The leveling component includes a mounting plate, which is detachably connected to the mounting frame by bolts. The mounting plate serves as the mounting base for a rotating rod. A rotating rod is rotatably connected to the middle of the right side of the mounting plate via a bearing. The rotating rod is used to transmit the driving force of the worm gear to the cross plate. A driving component for driving the rotating rod to rotate is located on the right side of the mounting plate. A cross plate is located at the right end of the rotating rod, and the cross plate serves as the mounting platform for the paving assembly.

[0008] The horizontal plate is equipped with a paving assembly for concrete paving, compaction, and leveling. The paving assembly includes two hydraulic cylinders arranged symmetrically front to back. The hydraulic cylinders drive the U-shaped support to rise and fall to adjust the paving thickness. The top of the hydraulic cylinders is bolted to the bottom of the horizontal plate. The movable rods of the two hydraulic cylinders are connected to the U-shaped support. The ends of the movable rods of the hydraulic cylinders are bolted to the top of the U-shaped support. The U-shaped support supports the pressure roller and the vibration assembly. The pressure roller is rotatably connected between the front and rear sides of the inner wall of the U-shaped support. The pressure roller is used to pave and initially compact the concrete.

[0009] The U-shaped bracket has vertical rods at the top and near the front and rear ends. The vertical rods are used to fix the laser receivers and limit their position. The outer walls of the two vertical rods are also equipped with laser receivers near the top. The laser emitters are arranged independently to ensure that the ground elevation is consistent and there will be no error. The laser receivers are used to receive laser signals to guide the leveling operation.

[0010] Preferred, such as Figure 4 As shown, the driving component includes two rectangular connecting plates arranged symmetrically on top of each other. The rectangular connecting plates are used to connect the mounting plate and the rectangular box. The left side of the rectangular connecting plate is bolted to the right side of the mounting plate. The right side of the two rectangular connecting plates is connected to the rectangular box. The rectangular box is used to house the transmission structure of the worm and worm wheel. The worm is rotatably connected between the upper and lower sides of the inner wall of the rectangular box. The worm is driven by a servo motor and meshes with the worm wheel. The top of the rectangular box is provided with a servo motor for driving the worm to rotate. The servo motor provides power to realize the angle adjustment of the rotating rod.

[0011] The right end of the rotating rod passes through the rectangular box, and the outer wall of the rotating rod is provided with a worm wheel that meshes with the worm gear for transmission. The worm wheel is used to convert the rotational motion of the worm gear into the rotation of the rotating rod.

[0012] Preferred, such as Figure 3 As shown, two auxiliary rods are provided on the left side of the horizontal plate, which are arranged symmetrically front to back. The left side of the auxiliary rods is attached to the right side of the mounting plate. The auxiliary rods are used to prevent the horizontal plate from shifting and to enhance the structural stability.

[0013] The bottom of the horizontal plate has two symmetrically arranged clearance holes. The clearance holes are used to provide a moving channel for the vertical rod. A wear-resistant sleeve is provided in the clearance hole. The vertical rod passes through the wear-resistant sleeve. The wear-resistant sleeve is used to reduce friction loss when the vertical rod moves.

[0014] Preferred, such as Figure 5 As shown, a baffle is provided on the right side of the top of the inner wall of the U-shaped support. The baffle is used to prevent concrete from overflowing to the right. Two connecting inclined plates are provided on the left side of the top of the inner wall of the U-shaped support. The connecting inclined plates are used to fix the scraper and guide its cleaning direction. The bottom ends of the two connecting inclined plates are connected to a scraper for cleaning the concrete on the surface of the pressure roller.

[0015] Preferred, such as Figure 2 As shown, the right side of the U-shaped support is provided with two L-shaped connecting plates arranged symmetrically front to back. The L-shaped connecting plates are used to connect the vibrating plate and the U-shaped support. The bottom ends of the two L-shaped connecting plates are connected to the vibrating plate, which is used to transmit vibration to compact the concrete. The top of the vibrating plate is provided with a vibration motor, which provides high-frequency vibration force to the vibrating plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This laser-guided paving equipment for floor leveling is based on closed-loop control of a laser receiver and a servo motor, combined with dual hydraulic cylinders for coordinated lifting. It can dynamically adjust the level and height of the pressure roller, ensuring that the pressure roller remains level even if the construction ground is tilted, thus completely eliminating the limitations of traditional single pressure bar adjustment.

[0018] 2. The laser-guided paving equipment for floor leveling features a linkage design between the vibrating plate and the pressure roller, which simultaneously achieves concrete compaction and surface leveling during the paving process. The scraper can clean residual materials on the surface of the pressure roller in real time, avoiding secondary unevenness caused by concrete adhesion and ensuring stable construction quality. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a partial structural schematic diagram of the present invention;

[0021] Figure 3 This is a partial structural schematic diagram of the horizontal adjustment component in this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the rectangular box in this utility model;

[0023] Figure 5 This is a partial structural schematic diagram of the paving component in this utility model;

[0024] In the diagram: 1. Control vehicle body; 2. Mounting bracket; 3. Horizontal adjustment component; 30. Mounting plate; 300. Rectangular connecting plate; 31. Rotating rod; 310. Worm gear; 32. Horizontal plate; 320. Clearance hole; 321. Auxiliary rod; 33. Wear-resistant sleeve; 34. Rectangular box; 35. Worm gear; 36. Servo motor; 4. Paving component; 40. Hydraulic cylinder; 41. U-shaped bracket; 410. Baffle; 411. Connecting inclined plate; 42. Vertical rod; 43. Laser receiver; 44. Pressure roller; 45. L-shaped connecting plate; 46. Vibrating plate; 47. Vibrating motor; 48. Scraper. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Please see Figures 1-5 This utility model provides a technical solution:

[0028] Laser-guided paving equipment for floor leveling includes a control vehicle 1, which provides a platform for movement and operation, combined with... Figure 1 , Figure 2 and Figure 3As shown, the control vehicle body 1 is equipped with a mounting frame 2, which is used to fix the horizontal adjustment component 3. The right side of the mounting frame 2 is equipped with the horizontal adjustment component 3, which is used to dynamically adjust the horizontal angle of the paving component 4. The horizontal adjustment component 3 includes a mounting plate 30, which is detachably connected to the mounting frame 2 by bolts. The mounting plate 30 serves as the mounting base for the rotating rod 31. The middle of the right side of the mounting plate 30 is rotatably connected to the rotating rod 31 by a bearing. The rotating rod 31 is used to transmit the driving force of the worm gear to the cross plate 32. The right side of the mounting plate 30 is equipped with a driving component for driving the rotating rod 31 to rotate. The right end of the rotating rod 31 is equipped with a cross plate 32, which serves as the mounting platform for the paving component 4.

[0029] A paving assembly 4 is provided on the horizontal plate 32. The paving assembly 4 is used for concrete paving, compaction and leveling. The paving assembly 4 includes two hydraulic cylinders 40 arranged symmetrically front and back. The hydraulic cylinders 40 are used to drive the U-shaped support 41 to rise and fall to adjust the paving thickness. The top of the hydraulic cylinders 40 is bolted to the bottom of the horizontal plate 32. The movable rods of the two hydraulic cylinders 40 are connected to the U-shaped support 41. The ends of the movable rods of the hydraulic cylinders 40 are bolted to the top of the U-shaped support 41. The U-shaped support 41 is used to support the pressure roller 44 and the vibration assembly. The pressure roller 44 is rotatably connected between the front and back sides of the inner wall of the U-shaped support 41. The pressure roller 44 is used to pave and initially compact the concrete.

[0030] Vertical rods 42 are provided at the top of the U-shaped bracket 41 and near the front and rear ends. The vertical rods 42 are used to fix the laser receiver 43 and limit its position. Laser receivers 43 are provided on the outer wall of the two vertical rods 42 and near the top. The laser emitters are arranged independently to ensure that the ground elevation is consistent and there will be no error. The laser receivers 43 are used to receive laser signals to guide the leveling operation.

[0031] In this embodiment, as Figure 4 As shown, the driving component includes two rectangular connecting plates 300 arranged symmetrically at the top and bottom. The rectangular connecting plates 300 are used to connect the mounting plate 30 and the rectangular box 34. The left side of the rectangular connecting plate 300 is bolted to the right side of the mounting plate 30. The right side of the two rectangular connecting plates 300 is connected to the rectangular box 34. The rectangular box 34 is used to accommodate the transmission structure of the worm 35 and the worm wheel 310. The worm 35 is rotatably connected between the upper and lower sides of the inner wall of the rectangular box 34. The worm 35 is driven by the servo motor 36 and meshes with the worm wheel 310. The top of the rectangular box 34 is provided with a servo motor 36 for driving the worm 35 to rotate. The servo motor 36 provides power to realize the angle adjustment of the rotating rod 31.

[0032] The right end of the rotating rod 31 passes through the rectangular box 34. The outer wall of the rotating rod 31 is provided with a worm wheel 310 that meshes with the worm 35 for transmission. The worm wheel 310 is used to convert the rotational motion of the worm 35 into the rotation of the rotating rod 31.

[0033] Specifically, such as Figure 3 As shown, two auxiliary rods 321 are provided on the left side of the horizontal plate 32, which are arranged symmetrically front to back. The left side of the auxiliary rods 321 is attached to the right side of the mounting plate 30. The auxiliary rods 321 are used to prevent the horizontal plate 32 from shifting and to enhance the structural stability.

[0034] Two symmetrical clearance holes 320 are provided at the bottom of the horizontal plate 32. The clearance holes 320 are used to provide a moving channel for the vertical rod 42. A wear-resistant sleeve 33 is provided inside the clearance hole 320. The vertical rod 42 passes through the wear-resistant sleeve 33. The wear-resistant sleeve 33 is used to reduce frictional wear when the vertical rod 42 moves.

[0035] Furthermore, such as Figure 5 As shown, a baffle 410 is provided on the right side of the top of the inner wall of the U-shaped bracket 41. The baffle 410 is used to prevent concrete from overflowing to the right. Two connecting inclined plates 411 are provided on the left side of the top of the inner wall of the U-shaped bracket 41. The connecting inclined plates 411 are used to fix the scraper 48 and guide its cleaning direction. The bottom ends of the two connecting inclined plates 411 are connected to the scraper 48 used to clean the concrete on the surface of the pressure roller 44.

[0036] Furthermore, such as Figure 2 As shown, two L-shaped connecting plates 45 are provided on the right side of the U-shaped support 41, which are arranged symmetrically front to back. The L-shaped connecting plates 45 are used to connect the vibrating plate 46 and the U-shaped support 41. The bottom ends of the two L-shaped connecting plates 45 are connected to the vibrating plate 46. The vibrating plate 46 is used to transmit vibration to compact the concrete. The top of the vibrating plate 46 is provided with a vibration motor 47, which provides high-frequency vibration force to the vibrating plate 46.

[0037] In this embodiment, the laser-guided paving equipment for floor leveling first moves the vehicle 1 to the construction area and places the laser emitter. The servo motor 36 is then started to drive the worm gear 35 to rotate. The worm gear 35 meshes with the worm wheel 310 to drive the rotating rod 31 to rotate, thereby adjusting the horizontal angle of the horizontal plate 32 to ensure that both laser receivers 43 can receive laser signals in real time. At the same time, the auxiliary rod 321 prevents the horizontal plate 32 from shifting. The laser receivers 43 receive laser signals in real time and feed them back to the control system. The dual hydraulic cylinders 40 synchronously drive the U-shaped bracket 41 to rise and fall according to the signals, adjusting the paving thickness of the pressure roller 44. During the movement of the vehicle 1, the pressure roller 44 paves and initially compacts the concrete. At the same time, the vibration motor 47 drives the vibrating plate 46 to generate high-frequency vibration to compact the concrete. The scraper 48 cleans the residual material on the surface of the pressure roller 44. High-precision floor leveling is achieved through closed-loop control.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A laser-guided paving device for floor leveling, comprising a control vehicle (1), wherein the control vehicle (1) is provided with a mounting frame (2), characterized in that: The mounting frame (2) has a horizontal adjustment component (3) on its right side. The horizontal adjustment component (3) includes a mounting plate (30). A rotating rod (31) is rotatably connected to the middle of the right side of the mounting plate (30) via a bearing. A driving component for driving the rotating rod (31) to rotate is provided on the right side of the mounting plate (30). A horizontal plate (32) is provided at the right end of the rotating rod (31). A paving assembly (4) is provided on the horizontal plate (32). The paving assembly (4) includes two hydraulic cylinders (40) arranged symmetrically in front and behind. The movable rods of the two hydraulic cylinders (40) are connected to a U-shaped bracket (41). A pressure roller (44) is rotatably connected between the front and rear sides of the inner wall of the U-shaped bracket (41). A vertical rod (42) is provided at the top of the U-shaped bracket (41) and near the front and rear ends. A laser receiver (43) is provided on the outer wall of the two vertical rods (42) and near the top.

2. A laser-guided screeding apparatus for floor levelling according to claim 1, characterised in that: The driving component includes two rectangular connecting plates (300) arranged symmetrically at the top and bottom. The left side of the rectangular connecting plate (300) is bolted to the right side of the mounting plate (30). The right sides of the two rectangular connecting plates (300) are connected to a rectangular box (34). A worm gear (35) is rotatably connected between the upper and lower sides of the inner wall of the rectangular box (34). A servo motor (36) for driving the worm gear (35) to rotate is provided on the top of the rectangular box (34).

3. A laser-guided screeding apparatus for floor levelling according to claim 2, characterised in that: The right end of the rotating rod (31) passes through the rectangular box (34), and the outer wall of the rotating rod (31) is provided with a worm wheel (310) that meshes with the worm (35) for transmission.

4. The laser-guided screeding apparatus of claim 1, wherein: The left side of the horizontal plate (32) is provided with two auxiliary rods (321) arranged symmetrically front to back, and the left side of the auxiliary rods (321) is attached to the right side of the mounting plate (30).

5. The laser-guided screeding apparatus of claim 1, wherein: The bottom of the horizontal plate (32) has two symmetrically arranged clearance holes (320), and a wear-resistant sleeve (33) is provided in the clearance hole (320). The vertical rod (42) passes through the wear-resistant sleeve (33).

6. The laser-guided screed apparatus of claim 1, wherein: A baffle (410) is provided on the right side of the top of the inner wall of the U-shaped bracket (41), and two connecting inclined plates (411) are provided on the left side of the top of the inner wall of the U-shaped bracket (41) in a symmetrical arrangement. The bottom ends of the two connecting inclined plates (411) are connected to a scraper (48) for cleaning the concrete on the surface of the pressure roller (44).

7. The laser-guided screed apparatus of claim 1, wherein: The right side of the U-shaped bracket (41) is provided with two L-shaped connecting plates (45) arranged symmetrically front to back. The bottom ends of the two L-shaped connecting plates (45) are connected to a vibrating plate (46), and the top of the vibrating plate (46) is provided with a vibrating motor (47).

Citation Information

Patent Citations

  • Infrared laser concrete paving equipment

    CN219824827U