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工程设计学报
Chin J Eng Design  2022, Vol. 29 Issue (2): 196-201    DOI: 10.3785/j.issn.1006-754X.2022.00.018
Optimization Design     
Lightweight design of automatic plastering machine based on wire rope transmission
Hong-yu LIAO1(),Meng-yang DENG2,3(),Min ZHOU2,3,Liang-xi XIE2,3,Jun-fu YAO2,3
1.China First Metallurgical Group Co. ，Ltd. ，Wuhan 430080，China
2.Key Laboratory of Ministry of Education of Metallurgical Equipment and Control Technology，Wuhan University of Science and Technology，Wuhan 430081，China
3.Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering，Wuhan University of Science and Technology，Wuhan 430081，China
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Abstract  

Aiming at the "top-heavy" problem of the previous generation of automatic plastering machine, an automatic plastering machine based on wire rope transmission was designed based on the concept of lightweight design.The device was mainly divided into transverse and longitudinal movement module, trolley module and spraying module. The plastering of the whole wall could be completed quickly and efficiently through the transmission of a closed steel wire rope.The stress analysis and calculation of the main bearing part of the automatic plastering machine—steel wire rope was carried out. The calculation results showed that the selected 6*7+IWS steel wire rope met the requirements of working conditions.The operation cost of automatic plastering machine was analyzed and compared with that of manual plastering, which showed that the operation cost of automatic plastering machine was relatively low and had a good market prospect. With good working performance, high working efficiency and strong environmental protection, lightweight automatic plastering machine has high application and promotion value in modern building construction.

Key words： lightweight design      plastering machine      wire rope      economic benefit     
Received: 11 August 2020      Published: 06 May 2022
CLC:  TH 122  
Corresponding Authors: Meng-yang DENG     E-mail: 1010096468@qq.com;812341307@qq.com
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Hong-yu LIAO
Meng-yang DENG
Min ZHOU
Liang-xi XIE
Jun-fu YAO
Cite this article:

Hong-yu LIAO,Meng-yang DENG,Min ZHOU,Liang-xi XIE,Jun-fu YAO. Lightweight design of automatic plastering machine based on wire rope transmission. Chin J Eng Design, 2022, 29(2): 196-201.

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https://www.zjujournals.com/gcsjxb/10.3785/j.issn.1006-754X.2022.00.018     OR     https://www.zjujournals.com/gcsjxb/Y2022/V29/I2/196


基于钢丝绳传动的自动抹灰机的轻量化设计

针对上一代自动抹灰机“头重脚轻”的问题，基于轻量化设计的理念，设计了一种基于钢丝绳传动的自动抹灰机。该装置主要分为横纵移模块、小车模块和喷涂模块，通过一根封闭的钢丝绳的传动快速高效地完成整个墙面的抹灰工作。对自动抹灰机中的主要承载件——钢丝绳进行了受力分析和计算，计算结果表明，所选择的6*7+IWS钢丝绳符合工况要求。对自动抹灰机的作业成本进行分析并与人工抹灰成本进行比较，表明自动抹灰机作业成本较低，具有良好的市场前景。轻量化的自动抹灰机工作性能好，工作效率高，环保性强，在现代建筑施工中具有很高的应用和推广价值。


关键词： 轻量化设计,  抹灰机,  钢丝绳,  经济效益 
Fig.1 Structure of automatic plastering machine
Fig.2 Workflow of automatic plastering machine
Fig.3 Schematic of principle of nozzle traverse movement
Fig.4 Schematic of principle of nozzle longitudinal movement
选择系数K1K2K3
数值0.3590.3870.359
Table 1 Selection coefficient of 6*7+IWS wire rope
比较项人工施工采用自动抹灰机施工备注
每小时施工面积/(m2/h）530根据抹灰工人的平均工作效率计算
每天施工面积/（m2/d）40240按每天工作8 h计算
施工人数102按行业惯例，人工施工通常需6名抹灰工并配备4名辅助工，采用抹灰机施工则需2名工人
一名工人的平均人工费/（元/d）260400日薪标准:抹灰大工不低于300元/d；辅助工，200元/d；抹灰机操作工人，400元/d
自动抹灰机的折旧费/(元/d)83.33一台自动抹灰机售价为10万元，年折旧率为25%，按每年工作300 d计算
一天施工所需总人力成本/（元/d）2 600883.33
Table 2 Comparison of construction area and cost per day between manual construction and automatic plastering machine construction
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