WO2020199741A1 - 一种考虑岩碴特征的tbm破岩机理模型试验系统及方法 - Google Patents
一种考虑岩碴特征的tbm破岩机理模型试验系统及方法 Download PDFInfo
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- WO2020199741A1 WO2020199741A1 PCT/CN2020/073544 CN2020073544W WO2020199741A1 WO 2020199741 A1 WO2020199741 A1 WO 2020199741A1 CN 2020073544 W CN2020073544 W CN 2020073544W WO 2020199741 A1 WO2020199741 A1 WO 2020199741A1
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- rock
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- cutter head
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Definitions
- the present disclosure relates to a TBM rock breaking mechanism model test system and method considering the characteristics of rock ballast.
- Full-face tunnel boring machine is a mechanical construction equipment used for full-face excavation of underground engineering. It has the advantages of high construction efficiency, safety and reliability, and high construction quality. According to engineering practice experience, when the ratio of the length to the diameter of the tunnel is When it is greater than 600, it is economical to use TBM for tunnel construction, so it is more and more widely used at home and abroad. In this context, the research on the rock breaking mechanism and other related issues in the TBM rock breaking process has very important theoretical and practical significance.
- the current research on the rock breaking mechanism in the TBM tunneling process only studies the rock breaking mechanism of TBM based on the rock breaking form of the rock mass, and the rock ballast generated during TBM tunneling is not considered too much.
- the data obtained in this way It is relatively simple and not comprehensive.
- the current rock breaking mechanism research does not fully consider the data characteristics of the rock ballast obtained during TBM tunneling, and mostly only considers the data of TBM equipment parameters and rock mechanical characteristics; the accuracy of the rock breaking mechanism results obtained in this way is not high.
- the present disclosure proposes a TBM rock breaking mechanism model test system and method that considers the characteristics of rock ballast.
- the present disclosure takes into account the maximum axis median, average, mode, geometric characteristics, protrusion angle, etc. Data such as rock ballast data have relatively high rock breaking mechanism results.
- the present disclosure adopts the following technical solutions:
- a TBM rock breaking mechanism model test system considering the characteristics of rock ballast including a rotating mechanism, a cutter head advancing mechanism, a transmission mechanism, a scanning mechanism, a data processing analysis system, and a vibrating recovery mechanism.
- the cutter head propulsion mechanism includes a hydraulic propulsion unit and a controller, the hydraulic propulsion unit can push the TBM cutter head to translate, and the controller is configured to control the translation speed;
- the rotating mechanism includes a driving member and a transparent box that can rotate around a central axis, and the driving member drives the transparent box containing the rock sample to rotate, so as to realize direct observation of real-time rock breaking conditions;
- the transfer mechanism is arranged at the lower end of the TBM cutter head, and transports the rock slag generated when the TBM breaks the rock to the place where the vibrating recovery mechanism is set;
- the scanning mechanism includes at least two sets of scanners, one set of scanners is arranged in sequence along the extension direction of the conveying mechanism, and the other set of scanners is distributed along the circumference of the cutter head and is configured to scan the slag in all directions;
- the data processing and analysis system is connected with other institutions, controls the actions of each institution, and receives data.
- the rotating mechanism includes a first gear, a second gear, a driving member, a crawler belt, and a transparent box body.
- the first gear is fixed to the transparent box body, and the crawler belt is wound around the first gear and the second gear.
- the driving member drives the second gear, and drives the transparent box containing the rock sample to rotate through the crawler drive, so as to realize the direct observation of the real-time rock breaking situation.
- it also includes a control platform that controls the rotation of the transparent box, and the transparent box is provided with a torque sensor.
- the cutter head is an equilateral rectangular structure with equally spaced partitions and is equally divided into a plurality of squares.
- Each square is provided with a slot in the middle to place the hob, and the hob can be placed on the slot Perform disassembly.
- the hob can be a wedge hob or a disc hob, and is not limited to these two types.
- the hob type and hob spacing can be freely combined to realize the research on the rock breaking mechanism of different types of hob combinations.
- the transmission mechanism is a crawler belt.
- the transparent box body is made of tempered glass, and a fixing member for fixing the rock sample is arranged inside the transparent box body.
- the cutter head advancing mechanism only moves axially along the center axis of the cutter head.
- all the scanners can be rotated.
- the rotating mechanism, the cutter head advancing mechanism, the conveying mechanism, the scanning mechanism and the vibration recovery mechanism are arranged on a base.
- the working method based on the above system includes the following steps:
- the rotation mechanism is combined with the cutter head advancing mechanism to simulate TBM rock breaking and control the rotation speed of the sample and the advancing speed of the cutter head;
- the data is processed and analyzed to obtain the relationship between the characteristics of the rock ballast and rock breaking, and all data are stored.
- the device is simple to operate and the process is concise.
- the high-strength tempered glass box can also ensure real-time external monitoring of rock breaking conditions.
- the data analysis process is recorded in real time and can be used for other research.
- the results of analyzing the data are concise and clear, and professionals and non-professionals can draw conclusions.
- Figure 1 is an overall schematic diagram of the device
- Figure 2 is a schematic diagram of the box
- Figure 3 is a schematic diagram of the box rotating device
- Figure 4 is a schematic diagram of a rock ballast conveying device
- Figure 5 is a schematic diagram of a vibrating recovery device
- Figure 6 shows the cutter head structure
- the base 1.1 maintains the stability of the model test device, and the tests are all carried out on the base; the top surface of the test box 1.4 used to fill the rock mass is opened for placing the rock mass sample.
- the box 1.4 is fixed on the base by welding by 1.3, and the sample rotating mechanism 1.2 controls the rotation of the box;
- the cutter head 1.5 is limited by the fixing device 1.6 by welding to limit the horizontal and vertical displacement, and can only be displaced along the axis by the control of the console 1.7;
- the rock ballast is transmitted by the rock ball transfer mechanism 1.8, and the scanner 1.9, 1.10 performs the rock ballast Full-scale and omni-directional scanning, the obtained data and the data of other sub-organizations are transmitted to the host 1.11 through the data transmission beam for storage and data processing and analysis; finally the rock ballast can be reused after being processed by the vibrating recovery mechanism 1.12
- a cover fixing part 2.4 is provided on the upper part of the box.
- the whole box is made of high-strength tempered glass.
- the sample rotation mechanism 1.2 is shown in Figure 3, including a first gear, a second gear, a driving member, a crawler and a transparent box.
- the first gear is fixed to the transparent box, and the crawler is wound around the first gear and the second gear.
- the driving member drives the second gear, and drives the transparent box containing the rock sample to rotate through the crawler drive, so as to realize the direct observation of the real-time rock breaking situation.
- the center axis of the box body is fixedly supported, and the sample rotating mechanism 1.2 drives the box body to rotate; the cutter head is located on the hydraulic propulsion device, and the side of the box body facing the cutter head has an opening to ensure that the cutter head faces the rock inside the box. The body sample is cut.
- the cutter head 1.5 is an equilateral rectangular structure with 4*4 equally spaced partitions, which is equally divided into 16 squares. Each square is provided with a card slot in the middle, and the hob can be placed, and the hob can be disassembled on the slot .
- the cutter heads are arranged at equal intervals, the combined arrangement of hobs at various spatial positions can be realized to study the rock breaking mechanism of hobs arranged at different intervals and different spatial positions.
- the hob can be a wedge hob or a disc hob, and is not limited to these two types.
- the hob type and hob spacing can be freely combined to realize the research on the rock breaking mechanism of different types of hob combinations.
- the cutter head 1.5 is pushed by the hydraulic propulsion device to produce translation.
- the hydraulic propulsion device is controlled by the control platform, and the translation speed can be adjusted.
- the control platform transmits data to the host through the data transmission beam.
- the rock ballast conveying mechanism is used to transport the rock ballast obtained by breaking the rock, and specifically includes the upper crawler 4.1, the lower crawler 4.2 and the driving device 4.3.
- the upper crawler 4.1 and the lower crawler 4.2 are mutually connected and driven by the driving device 4.3.
- the track is soft, reducing the impact on the rock ballast.
- the rock ballast conveying mechanism is located under the transparent box, starting from the bottom of the box and extending to the vibrating recovery mechanism, which can transport the rock ballast.
- All data is transmitted to the host via the data transmission beam for storage and data processing analysis, providing relevant data for other subsequent studies.
- the host is connected to the display and the control platform.
- the monitor can display the results of data analysis in real time.
- the high-performance host processes the data to obtain various data such as the median, average, mode, geometric characteristics, and protrusion angle of the maximum axis of the rock mass.
- the measured data can be imaged by calculation on the PC-side matlab platform Generated, you can get the probability distribution law of the maximum axis of rock ballast over time, the law of total rock ballast volume over time, the geometric distribution characteristics of rock ballast under different torque conditions, the time evolution law of rock ballast geometric distribution, torque-time law, specific consumption Energy-time law, analyze the relationship between rock ballast characteristics and rock breaking, and store all data;
- Each data is processed separately, and each data can form a separate image.
- the rock ballast that has completed the test is processed by the vibrating recovery mechanism and can be reused.
- the embodiments of the present disclosure can be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
- a computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
- the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
- These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
- the instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.
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Abstract
Description
Claims (10)
- 一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:包括转动机构、刀盘推进机构、传送机构、扫描机构、数据处理分析系统和振捣回收机构,其中,所述刀盘推进机构包括液压推进单元和控制器,所述液压推进单元能够推动TBM刀盘平移,所述控制器被配置为控制平移速度;所述转动机构包括驱动件和可绕中心轴转动的透明箱体,所述驱动件带动容纳岩体试样的透明箱体转动,实现直接观察实时的破岩情况;所述传送机构设置于TBM刀盘下端,将TBM破岩时产生的岩渣输送至振捣回收机构设置处;所述扫描机构包括至少两组扫描仪,一组扫描仪沿传送机构的延伸方向依次排布,另一组扫描仪沿刀盘周向分布,被配置为全方位对岩渣进行扫描;所述数据处理分析系统与其他各机构连接,控制各个机构动作,并接收数据。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述转动机构包括第一齿轮、第二齿轮、驱动件、履带和透明箱体,所述第一齿轮与透明箱体固定,所述履带缠绕在第一齿轮和第二齿轮上,所述驱动件驱动第二齿轮,通过履带传动进而带动容纳岩体试样的透明箱体转动,实现直接观察实时的破岩情况。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:还包括控制平台,所述控制平台对透明箱体的转动进行控制,透明箱体上设置有扭矩传感器。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述刀盘为等间距隔断布设的等边矩形结构,被均等分为多个正方形,每个正方形正中设有卡槽,以放置滚刀,且滚刀可在卡槽上进行拆卸。
- 如权利要求4所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:滚刀类型、滚刀间距皆自由组合,以实现对不同类型滚刀组合的破岩机理研究。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述传送机构为履带式传输带。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述透明箱体为钢化玻璃制成,所述透明箱体内部设置有用于固定岩石试样的固定件。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述刀盘推进机构只沿刀盘中心轴轴向运动。
- 如权利要求1所述的一种考虑岩碴特征的TBM破岩机理模型试验系统,其特征是:所述扫描仪均能够转动;或,所述转动机构、刀盘推进机构、传送机构、扫描机构和振捣回收机构设置于一基座上。
- 基于权利要求1-9中任一项所述的系统的工作方法,其特征是:包括以下步骤:将用于研究的岩体试样装入透明箱体,利用箱体内部的固定件进行固定;采用转动机构与刀盘推进机构相结合,模拟TBM破岩,控制试样的转动速度与刀盘的推进速度;用岩碴传送机构以一定速度将得到的岩碴运出,经过各个扫描仪自动进行全面的扫描;对数据进行处理分析,得到岩碴特征与破岩之间的关系,并存储所有数据。
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| AU2020250427A AU2020250427B2 (en) | 2019-04-04 | 2020-01-21 | TBM rock breaking mechanism model test system and method taking rock fragment characteristics into consideration |
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| CN201910269668.9A CN110047367B (zh) | 2019-04-04 | 2019-04-04 | 一种考虑岩碴特征的tbm破岩机理模型试验系统及方法 |
| CN201910269668.9 | 2019-04-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903505A (zh) * | 2021-01-20 | 2021-06-04 | 中铁隧道局集团有限公司 | 一种tbm破岩试验装置 |
| CN115012989A (zh) * | 2022-05-09 | 2022-09-06 | 中铁十九局集团第六工程有限公司 | 隧道衬砌台车及其振捣系统 |
| CN115406667A (zh) * | 2022-07-21 | 2022-11-29 | 中国北方车辆研究所 | 一种履带车辆分布式驱动系统试验装置及方法 |
| CN117828904A (zh) * | 2024-03-05 | 2024-04-05 | 深圳大学 | 用于超大直径泥水盾构穿越孤石地层的刀盘受力计算方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047367B (zh) * | 2019-04-04 | 2020-11-06 | 山东大学 | 一种考虑岩碴特征的tbm破岩机理模型试验系统及方法 |
| CN113111497B (zh) * | 2021-03-25 | 2022-07-29 | 郑州大学 | 一种基于岩碴粒径分布规律的tbm破岩效率评价方法 |
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- 2019-04-04 CN CN201910269668.9A patent/CN110047367B/zh active Active
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- 2020-01-21 AU AU2020250427A patent/AU2020250427B2/en active Active
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| CN112903505A (zh) * | 2021-01-20 | 2021-06-04 | 中铁隧道局集团有限公司 | 一种tbm破岩试验装置 |
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| CN115012989A (zh) * | 2022-05-09 | 2022-09-06 | 中铁十九局集团第六工程有限公司 | 隧道衬砌台车及其振捣系统 |
| CN115406667A (zh) * | 2022-07-21 | 2022-11-29 | 中国北方车辆研究所 | 一种履带车辆分布式驱动系统试验装置及方法 |
| CN117828904A (zh) * | 2024-03-05 | 2024-04-05 | 深圳大学 | 用于超大直径泥水盾构穿越孤石地层的刀盘受力计算方法 |
| CN117828904B (zh) * | 2024-03-05 | 2024-05-28 | 深圳大学 | 用于超大直径泥水盾构穿越孤石地层的刀盘受力计算方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110047367B (zh) | 2020-11-06 |
| AU2020250427B2 (en) | 2023-03-16 |
| AU2020250427A1 (en) | 2021-12-02 |
| CN110047367A (zh) | 2019-07-23 |
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