Walking unit for magnetic wheel type automatic trowelling machine

By designing a magnetic wheel-type walking unit, and utilizing the adsorption properties of the magnetic wheel in conjunction with a speed reducer, the problem of instability in the automatic smoothing equipment's movement on complex curved surfaces is solved, achieving efficient and precise smoothing operations, and improving the quality of concrete components and the operational stability of the equipment.

CN224255626UActive Publication Date: 2026-05-19NINGXIA QINGLONG NEW ENERGY TECHNOLOGY CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGXIA QINGLONG NEW ENERGY TECHNOLOGY CO LTD
Filing Date
2025-06-13
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing automated leveling equipment suffers from instability and inaccuracy issues in its walking unit, making it difficult to guarantee the quality of leveling operations, especially under conditions of uneven ground and obstacles.

Method used

The magnetic wheel type walking unit includes a drive motor, a drive wheel, a transmission belt or transmission chain, and a magnetic walking wheel set. It utilizes the adsorption properties of the magnetic wheels to ensure a tight fit and adhesion with the iron mold frame. Combined with a reducer and tensioning wheel, it can improve stability and adapt to complex curved surfaces.

Benefits of technology

It enables stable movement on complex curved surfaces and uneven ground, ensuring the continuity and precision of smoothing operations, improving the flatness and smoothness of concrete components, and enhancing the operational reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a walking unit for a magnetic wheel type automatic trowelling machine, which is characterized by comprising a driving motor mounted on a motor supporting platform, and the motor supporting platform is fixedly connected with a walking frame of the trowelling machine; the driving wheel is connected to the driving motor; the transmission belt or the transmission chain is connected with the driving wheel; the two magnetic walking wheel sets are connected to the driving wheel through the transmission belt or the transmission chain. Through the unique magnetic walking wheel set design and the reasonable transmission structure, the walking stability and accuracy of the automatic trowelling machine can be effectively improved, the trowelling operation quality is guaranteed, and the production requirements of the modern large concrete prefabrication industry for high-quality concrete prefabricated parts are met.
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Description

Technical Field

[0001] This utility model belongs to the field of concrete component production technology, and in particular relates to a walking unit for a magnetic wheel type automatic troweling machine. Background Technology

[0002] In the large-scale precast concrete industry, the prefabrication of concrete components (such as concrete wind turbine towers) is a crucial step in improving construction efficiency and ensuring project quality. During the prefabrication process, smoothing the concrete surface is an essential procedure. Its purpose is to eliminate defects such as unevenness and air bubbles on the concrete surface, ensuring that the surface achieves the required smoothness and gloss, thereby improving the overall quality and appearance of the concrete components.

[0003] Currently, the traditional leveling of precast concrete components mainly relies on manual labor, with workers repeatedly scraping the concrete surface with hand-held leveling tools. This method is not only labor-intensive and inefficient, but also, due to the variability and subjectivity of manual operation, it is difficult to ensure the consistency and precision of the leveling work, resulting in inconsistent surface quality of concrete components, which fails to meet the demands of modern architecture for high-quality precast components.

[0004] With the development of automation technology, some automatic grouting equipment has gradually appeared on the market. However, existing automatic grouting equipment has many shortcomings in terms of its walking unit. For example, some automatic grouting machines use a common wheeled walking structure, which is easily affected by uneven ground, obstacles, and other factors during walking, resulting in unstable walking and thus affecting the quality of the grouting operation.

[0005] To address the aforementioned issues, developing a walking unit for an automatic trowel that can stably and accurately move along the precast concrete formwork is of significant practical importance. This magnetic wheel-type automatic trowel walking unit was developed to address this need. Through a unique magnetic wheel design and a rational transmission structure, it effectively improves the stability and accuracy of the automatic trowel's movement, ensuring the quality of the troweling operation and meeting the production demands of the modern large-scale precast concrete industry for high-quality precast concrete components. Utility Model Content

[0006] To address the problems existing in the prior art, this utility model provides a walking unit for a magnetic wheel type automatic leveling machine.

[0007] This utility model is implemented as follows: a walking unit for a magnetic wheel type automatic trowel, characterized in that: it includes a drive motor mounted on a motor support platform, the motor support platform being fixedly connected to the walking frame of the trowel; a drive wheel connected to the drive motor; a transmission belt or transmission chain connected to the drive wheel; and two sets of magnetic walking wheel sets connected to the drive wheel via the transmission belt or transmission chain.

[0008] More preferably, each set of magnetic traveling wheels includes: a main traveling wheel, abutting against the outer side of the precast concrete component mold; and a contour-following support wheel, located on the inner side of the mold and abutting against the outer circumferential wall of the contour-following ring at both ends of the precast concrete component mold; wherein, the main traveling wheel and the contour-following support wheel are both permanent magnet wheels or electromagnetic wheels.

[0009] A further preferred embodiment includes a speed reducer connected to the output end of the drive motor; and a drive wheel mounted on the output shaft of the speed reducer.

[0010] More preferably, a tensioning pulley is provided on the outer side of the transmission belt.

[0011] The advantages and technical effects of this utility model are as follows: the drive motor drives the magnetic walking wheel set to move through the drive wheel, transmission belt or transmission chain. The structure is simple and can realize automatic walking. By utilizing the adsorption characteristics of the magnetic wheels, the adhesion to the iron mold frame can be enhanced, the walking stability can be improved, the slippage can be reduced, and the continuity of the smoothing operation can be guaranteed.

[0012] This traveling unit utilizes the adsorption properties of magnetic wheels to closely adhere to the curved precast iron mold, greatly enhancing adhesion. It can move stably even in curved transition sections and complex curved surfaces, reducing slippage and ensuring the continuity of the smoothing operation. Its simple structure easily adapts to curved molds with varying curvatures, ensuring the smoothing operation follows the correct path and improving smoothing quality. This traveling unit enables efficient and precise smoothing of precast concrete wind turbine tower components, improving the flatness and smoothness of the tower surface, enhancing the structural performance and durability of the tower, and providing strong support for the stable operation of wind power generation equipment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a diagram showing the usage state of this utility model.

[0015] In the diagram: 1. Drive motor; 2. Drive wheel; 3. Transmission belt; 4. Magnetic travel wheel set; 41. Main travel wheel; 42. Contouring support wheel; 5. Precast concrete component formwork; 51. Contouring ring; 6. Reducer; 7. Tensioner. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.

[0017] Please see Figure 1 and Figure 2 A walking unit for a magnetic wheel-type automatic troweling machine includes a drive motor 1 mounted on a motor support platform, the motor support platform being fixedly connected to the troweling machine's walking frame; a drive wheel 2 connected to the drive motor; a transmission belt 3 or transmission chain connected to the drive wheel; and two sets of magnetic walking wheel sets 4 connected to the drive wheel via the transmission belt or transmission chain. When this magnetic wheel-type automatic troweling machine's walking unit is applied to the casting of curved precast formwork for concrete wind turbine towers, its technical effects are further expanded. The curved precast formwork for wind turbine towers has a complex shape and large size, making it difficult for traditional troweling equipment to move and resulting in poor troweling effects. This walking unit utilizes the adsorption properties of magnetic wheels to closely adhere to the iron curved precast formwork, greatly enhancing adhesion. It can move stably even in curved transition sections and complex curved surfaces, reducing slippage and ensuring the continuity of troweling operations. Its simple structure allows it to easily adapt to curved formwork with different curvatures, ensuring that troweling operations proceed along the correct path and improving troweling quality. Furthermore, the speed reducer enables the traveling unit to handle different loads and adapt to various complex working conditions. The tensioning wheel ensures stable and reliable power transmission. This traveling unit allows for efficient and precise smoothing of precast concrete wind turbine tower components, improving the surface flatness and smoothness of the tower, enhancing its structural performance and durability, and providing strong support for the stable operation of wind power generation equipment.

[0018] Further preferably, each set of magnetic traveling wheels includes: a main traveling wheel 41, abutting against the outer side of the precast concrete component mold 5; and a contour-following support wheel 42, located on the inner side of the mold and abutting against the outer circumferential wall of the contour ring 51 at both ends of the precast concrete component mold; wherein, both the main traveling wheel and the contour-following support wheel are permanent magnet wheels or electromagnetic wheels. The main traveling wheel abutting against the outer side of the precast concrete component mold provides the main driving force for the traveling unit, ensuring its smooth movement along the mold; the contour-following support wheel is located on the inner side of the mold and abuts against the outer circumferential wall of the contour ring, playing a radial positioning and guiding role, preventing the traveling unit from deviating from the predetermined trajectory, and ensuring that the smoothing operation is carried out along the correct path. Both the main traveling wheel and the contour-following support wheel are permanent magnet wheels or electromagnetic wheels, utilizing magnetic adsorption properties to enhance the adhesion with the mold, improve the stability and reliability of the travel, and ensure stable operation of the traveling unit even when there are certain unevenness or arc transition sections on the surface of the mold, thereby improving the quality and efficiency of the smoothing operation.

[0019] A further preferred embodiment includes a speed reducer 6 connected to the output end of the drive motor; and a drive wheel mounted on the output shaft of the speed reducer. The speed reducer connects the drive motor and the drive wheel, reducing the rotational speed and increasing the torque, enabling the traveling unit to operate stably under different loads, adapting to various working conditions, and ensuring the quality and efficiency of the leveling operation.

[0020] More preferably, a tensioning pulley 7 is provided on the outer side of the transmission belt. The tensioning pulley on the outer side of the transmission belt can adjust the tension of the transmission belt, prevent the transmission belt from slipping or loosening, ensure the stability and reliability of power transmission, ensure the normal operation of the walking unit, and thus improve the smoothing effect.

[0021] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A walking unit for a magnetic wheel type automatic leveling machine, characterized in that: It includes a drive motor mounted on a motor support platform, which is fixedly connected to the walking frame of the screed; a drive wheel connected to the drive motor; a transmission belt or transmission chain connected to the drive wheel; and two sets of magnetic walking wheel sets connected to the drive wheel via the transmission belt or transmission chain.

2. The walking unit for the magnetic wheel type automatic leveling machine according to claim 1, characterized in that: Each set of magnetic traveling wheels includes: a main traveling wheel, which abuts against the outer side of the precast concrete component mold; and a contour-following support wheel, which is located on the inner side of the mold and abuts against the outer circumferential wall of the contour ring at both ends of the precast concrete component mold; wherein, the main traveling wheel and the contour-following support wheel are both permanent magnet wheels or electromagnetic wheels.

3. The traveling unit for the magnetic wheel type automatic leveling machine according to claim 1, characterized in that: It also includes a speed reducer connected to the output end of the drive motor; and a drive wheel mounted on the output shaft of the speed reducer.

4. The traveling unit for the magnetic wheel type automatic leveling machine according to claim 1, characterized in that: A tensioning pulley is provided on the outer side of the transmission belt.