智能双液注浆泵关键技术研究及应用

杨钊; 邹新祥; 李杰华; 孙恒; 徐刚

doi:10.3973/j.issn.2096-4498.2023.07.014

隧道建设 >

2023 , Vol. 43 >Issue 7: 1206 - 1214

DOI: https://doi.org/10.3973/j.issn.2096-4498.2023.07.014

施工机械

智能双液注浆泵关键技术研究及应用

杨钊 ,
邹新祥 ,
李杰华 ,
孙恒 ,
徐刚

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（1. 中交第二航务工程局有限公司, 湖北武汉 430040； 2. 长大桥梁建设施工技术交通行业重点实验室, 湖北武汉 430040； 3. 交通运输行业交通基础设施智能制造技术研发中心, 湖北武汉 430040； 4. 镇江典程机电有限公司，江苏镇江 212100）

杨钊(1984—)，男，湖北洪湖人，2010年毕业于同济大学，岩土工程专业，博士，教授级高级工程师，从事盾构隧道工程技术研发与管理工作。Email: yangzhaolp@126. com。*通信作者：李杰华， Email: 694042007@qq.com。

网络出版日期: 2023-08-06

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Research and Application of Crucial Technologies for Intelligent DoubleComponent Grouting Pumps

YANG Zhao ,
ZOU Xinxiang ,
LI Jiehua ,
SUN Heng ,
XU Gang

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(1. CCCC Second Harbor Engineering Company Ltd., Wuhan 430040, Hubei, China;2. Key Laboratory of Largespan Bridge Construction Technology of Ministry of Communications, Wuhan 430040, Hubei, China; 3. Research and Development Center of Transport Industry of Intelligent Manufacturing Technologies of Transport Infrastructure, Wuhan 430040, Hubei, China; 4. Zhenjiang Diancheng Electromechanical Co., Ltd., Zhenjiang 212100, Jiangsu, China)

Online published: 2023-08-06

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摘要

为解决传统双液注浆设备注浆配比精度低、达到指定配比时间长、注浆流量稳定性差、注浆压力不可控等问题，设计一种由2套独立的液压系统控制、可实现双液浆任意配比注入的智能双液注浆泵。其采用双联齿轮泵组设计，保证了液压系统的高效性和稳定性，提高了双液浆注入的稳定性，使双液注入配比精准度显著提升，配比误差控制在10%以内；通过PLC控制程序的设置，缩短了达到指定配比的时间，时间控制在25 s以内；通过设置梯次注浆程序，使注浆压力可控并保证了注浆质量。通过注浆模拟试验证明,该泵能够实现双液浆配比的精细化控制，同时具备“梯次注浆工艺”自动化控制的性能特点。经过现场的应用对比可知，该智能双液注浆泵能够提升双液注浆质量，降低注浆材料的消耗。

关键词： 智能双液注浆泵; 配比控制; 注浆流量; 注浆压力; 梯次注浆

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杨钊 , 邹新祥 , 李杰华 , 孙恒 , 徐刚 . 智能双液注浆泵关键技术研究及应用[J]. 隧道建设, 2023 , 43(7) : 1206 -1214 . DOI: 10.3973/j.issn.2096-4498.2023.07.014

Abstract

Conventional doublecomponent grouting pumps have several disadvantages such as low precision of grouting ratio control, long required time to reach the specified ratio, poor stability of grouting flow, and uncontrollable grouting pressure. Therefore, an intelligent doublecomponent grouting pump with two sets of hydraulic systems with independent controls is designed, which can be used to realize an arbitrary injection ratio of doublecomponent grouting. A double gear pump is used to ensure high efficiency and stability of the hydraulic systems and improve the stability of doublecomponent grouting, thereby achieving high precision of the doublecomponent grout injection ratio and a proportional error within 10%. Simultaneously, the required time to reach the specified ratio is shortened(within 25 s) using a programmable logic controller. A stepped grouting program is set to control the grouting pressure and ensure grouting quality. The grouting test results demonstrate that the proposed pump can be used to realize fine control of doublecomponent grouting and automatic grouting control. The relevant results of the pump application in several projects show that doublecomponent grouting quality is improved and the consumption of grouting material is reduced using the intelligent doublecomponent grouting pump.

Key words： intelligent dualcomponent grouting pump; grouting ratio control; grouting flow; grouting pressure; stepped grouting

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