阅读说明：本技术 一种可实时调节开口率的盾构刀盘系统及其控制方法 (Shield cutter head system capable of adjusting opening rate in real time and control method thereof ) 是由 郭卫社 侯建辉 冯欢欢 裴超 任少权 杨露伟 王禹 杨义 张迅 王百泉 沙平平 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种可实时调节开口率的盾构刀盘系统及其控制方法,涉及盾构刀盘技术领域,包括刀盘,所述刀盘的内部设置有多个主辐条,所述主辐条外侧安装有刀具,相邻两个主辐条之间形成有开口,每个所述主辐条的内侧均设置有备用辐条,且所述备用辐条与主辐条滑动安装,且所述每个所述备用辐条分别在其相近的开口的范围内移动,所述备用辐条与主辐条之间设置有液压推动器。本发明通过通过调整刀盘上备用辐条的位置,将备用辐条推出,进而能够遮挡部分空间,即减少了刀盘开口率,进而在遇到土质发生变化时,不需要对盾构刀盘整体进行整改,进一步提高了刀盘系统的适应性和实用性,极大的降低了施工成本。(The invention discloses a shield cutter head system capable of adjusting an opening rate in real time and a control method thereof, and relates to the technical field of shield cutter heads. According to the shield cutter head, the position of the spare spoke on the cutter head is adjusted, the spare spoke is pushed out, so that partial space can be shielded, namely, the opening rate of the cutter head is reduced, and when soil quality changes, the whole shield cutter head does not need to be modified, so that the adaptability and the practicability of a cutter head system are further improved, and the construction cost is greatly reduced.)

1. The utility model provides a but shield structure blade disc system of real-time regulation aperture ratio, includes blade disc (1), the inside of blade disc (1) is provided with a plurality of main spokes (2), cutter (3) are installed in main spoke (2) outside, are formed with opening (4), its characterized in that between two adjacent main spokes (2): every the inboard of main spoke (2) all is provided with reserve spoke (5), just reserve spoke (5) and main spoke (2) slidable mounting, just every reserve spoke (5) move in the within range of its close opening (4) respectively, be provided with hydraulic pressure impeller (6) between reserve spoke (5) and main spoke (2), the both ends of hydraulic pressure impeller (6) are connected with the inside wall of reserve spoke (5) and main spoke (2) respectively.

2. The shield cutterhead system capable of adjusting the opening ratio in real time according to claim 1, wherein: the inside wall fixedly connected with arc guide rail (7) of main spoke (2), sliding connection between reserve spoke (5) and arc guide rail (7).

3. The shield cutterhead system capable of adjusting the opening ratio in real time according to claim 2, wherein: the inside wall fixedly connected with carousel (8) of reserve spoke (5), carousel (8) are rotated with one of them one end of hydraulic pressure impeller (6) and are connected, the other end of hydraulic pressure impeller (6) is rotated with the inside wall of main spoke (2) and is connected.

4. The shield cutterhead system capable of adjusting the opening ratio in real time according to claim 1, wherein: the hydraulic pusher (6) adopts a detachable oil supply oil path system to supply oil for driving.

5. The shield cutterhead system capable of adjusting the opening ratio in real time according to claim 1, wherein: every the inside of reserve spoke (5) all is provided with fixing bolt subassembly (9), a plurality of locating hole sites (10) that supply fixing bolt subassembly (9) fixed connection are seted up to the inside wall of blade disc (1).

6. The method for controlling a shield cutterhead system with real-time adjustable openness as claimed in claim 1, including the steps of:

the method comprises the steps of firstly, exploring soil in real time, monitoring the soil discharged during the real-time construction of the shield tunneling machine in real time, judging whether the soil is changed or not, judging whether the opening rate of a cutter head needs to be changed or not according to the changed soil, and calculating the opening rate to be changed;

step two, controlling the butt joint of connecting equipment, when the opening ratio of the shield cutter head system needs to be adjusted, quickly stopping the cutter head system to work, releasing the locking of the standby spokes (5), and quickly butting an oil way system required by the driving hydraulic pusher (6), so that the extension and retraction of the hydraulic pusher (6) can be controlled;

step three, the opening ratio is regulated and controlled quantitatively, the hydraulic pusher (6) is controlled to quantitatively push the spare spokes (5) according to the opening ratio required to be changed by calculation, and the spare spokes (5) are moved out to the inner side of the opening (4), so that the opening size of the opening (4) is changed, and the opening ratio is adjusted;

fastening a cutter head system, and stably positioning the adjusted spare spokes (5), namely fixing the positions of the spare spokes (5) by adopting connecting pieces such as bolt assemblies;

and step five, restarting, namely, withdrawing the connection for controlling the oil way of the hydraulic impeller (6) and other regulating and controlling connection equipment which influences the work of the cutter head system, and then restarting the cutter head system.

7. The method for controlling the shield cutterhead system capable of adjusting the opening rate in real time according to claim 6, wherein: and a soil quality comparison table is arranged in the cutter head system and records the opening rate information corresponding to different soil qualities, and the soil quality detection in the step one is compared with the comparison table to obtain the corresponding opening rate.

Technical Field

The invention relates to the technical field of shield cutter heads, in particular to a shield cutter head system capable of adjusting the opening rate in real time and a control method thereof.

Background

The shield machine is applied more and more widely in tunnel engineering construction in the fields of urban subways, highway tunnels, comprehensive pipe galleries and the like in China, but different tunnels have different geological conditions and different requirements for the opening rate of a shield cutter head, so that when a new tunnel is constructed, even if the diameter of the tunnel is the same, the different requirements for the opening rate of the cutter head are provided due to the geological conditions, the same way, the structure of the existing shield cutter head needs to be transformed in many ways, and even if a new shield is manufactured, the construction requirement of the new tunnel can be met, so that the existing shield is idle, and the resource waste is serious;

in the construction of a long tunnel, even if the same tunnel is used, various stratum conditions (such as full-face hard rock, silt, sand and pebble, clay and the like) are often met, but the shield machine is designed and determined according to initial geological exploration data at first, the opening rate of a cutter head can be only pertinently adapted to the expected geological conditions, once the geological conditions are changed, shield tunneling is influenced, even if the shield machine needs to be shut down to greatly transform the cutter head, the construction period is delayed, and the construction cost is increased.

Disclosure of Invention

The invention aims to provide a shield cutter head system capable of adjusting the opening rate in real time and a control method thereof, so as to solve the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a but shield structure blade disc system of real-time regulation aperture ratio, includes the blade disc, the inside of blade disc is provided with a plurality of main spokes, the cutter is installed in the main spoke outside, is formed with the opening between two adjacent main spokes, every the inboard of main spoke all is provided with reserve spoke, just reserve spoke and main spoke slidable mounting, just every reserve spoke removes in its close open-ended within range respectively, be provided with the hydraulic pressure impeller between reserve spoke and the main spoke, the both ends of hydraulic pressure impeller are connected with the inside wall of reserve spoke and main spoke respectively.

Preferably, the inside wall fixedly connected with arc guide rail of main spoke, sliding connection between reserve spoke and the arc guide rail.

Preferably, the inside wall fixedly connected with carousel of reserve spoke, the carousel rotates with one of them one end of hydraulic pressure impeller to be connected, the other end of hydraulic pressure impeller rotates with the inside wall of main spoke to be connected.

Preferably, the hydraulic thruster adopts a detachable oil supply system to supply oil for driving.

Preferably, every the inside of reserve spoke all is provided with the fixing bolt subassembly, a plurality of locating hole sites that supply fixing bolt subassembly fixed connection are seted up to the inside wall of blade disc.

A control method of a shield cutter head system capable of adjusting an opening rate in real time comprises the following steps:

the method comprises the steps of firstly, exploring soil in real time, monitoring the soil discharged during the real-time construction of the shield tunneling machine in real time, judging whether the soil is changed or not, judging whether the opening rate of a cutter head needs to be changed or not according to the changed soil, and calculating the opening rate to be changed;

step two, controlling the butt joint of connecting equipment, when the opening ratio of the shield cutter head system needs to be adjusted, quickly stopping the cutter head system to work, removing the locking of the standby spokes, and quickly butting an oil way system required by the driving hydraulic pusher so that the extension and retraction of the hydraulic pusher can be controlled;

step three, the opening ratio is regulated and controlled quantitatively, the hydraulic pusher is controlled to quantitatively push the spare spokes according to the opening ratio required to be changed by calculation, so that the spare spokes are moved out to the inner side of the opening, the opening size of the opening is changed, and the opening ratio is adjusted;

fastening a cutter head system, and stably positioning the adjusted spare spokes, namely fixing the positions of the spare spokes by adopting connecting pieces such as bolt assemblies;

and step five, restarting, namely, withdrawing the connection for controlling the oil way of the hydraulic impeller and other regulating and controlling connection equipment which influences the work of the cutter head system, and then restarting the cutter head system.

Preferably, a soil texture comparison table is arranged in the cutter head system, the soil texture comparison table records the opening ratio information corresponding to different soil textures, and the soil texture is compared with the comparison table during soil texture detection in the first step to obtain the corresponding opening ratio.

In the technical scheme, the invention provides the following technical effects and advantages:

the invention arranges the spare spokes on the inner sides of the main spokes, judges whether the soil texture needs to change the opening rate of the cutter head during the real-time construction of the shield machine, when the aperture opening ratio of the shield cutter head system needs to be adjusted, the hydraulic pusher is controlled to quantitatively push the spare spokes to move out to the inner side of the opening, so that the size of the opening is changed, and the aperture opening ratio is adjusted, because the position for installing the cutter is not changed, the spare spokes are pushed out only by adjusting the position of the spare spokes on the cutter head, and further part of space can be shielded, the opening rate of the cutter head is reduced, and the whole shield cutter head does not need to be modified when soil texture changes, and the shield cutter head can adapt to tunnel excavation with more different requirements, the adaptability and the practicability of the cutter head system are further improved, and the construction cost is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic front view of a shield cutterhead system according to the present invention.

Fig. 2 is a schematic view of the inside structure of the knot of the present invention.

FIG. 3 is a flow chart of the control method of the present invention.

Description of reference numerals:

1. a cutter head; 2. a main spoke; 3. a cutter; 4. an opening; 5. spare spokes; 6. a hydraulic pusher; 7. an arc-shaped guide rail; 8. a turntable; 9. a fixing bolt assembly; 10. and (6) positioning hole positions.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a shield cutter head system capable of adjusting the opening rate in real time as shown in figures 1-2, which comprises a cutter head 1, wherein a plurality of main spokes 2 are arranged in the cutter head 1, cutters 3 are arranged on the outer sides of the main spokes 2, an opening 4 is formed between every two adjacent main spokes 2, a standby spoke 5 is arranged on the inner side of each main spoke 2, the standby spokes 5 are slidably mounted with the main spokes 2, each standby spoke 5 moves in the range of the adjacent opening 4, a hydraulic pusher 6 is arranged between each standby spoke 5 and the main spoke 2, and two ends of the hydraulic pusher 6 are respectively connected with the standby spokes 5 and the inner side walls of the main spokes 2;

further, in the above technical solution, the inner side wall of the main spoke 2 is fixedly connected with an arc-shaped guide rail 7, and the spare spoke 5 is slidably connected with the arc-shaped guide rail 7, so as to support the spare spoke 5 in arc-shaped sliding connection, and can be better adapted to the opening 4;

further, in the above technical solution, the inner side wall of the spare spoke 5 is fixedly connected with a turntable 8, the turntable 8 is rotatably connected with one end of a hydraulic pusher 6, and the other end of the hydraulic pusher 6 is rotatably connected with the inner side wall of the main spoke 2 so as to be matched with the arc-shaped movement of the spare spoke 5;

further, in the above technical solution, the hydraulic impeller 6 is driven by supplying oil through a detachable oil supply system, so that during actual operation, the oil supply system to the hydraulic impeller 6 is removed, and the actual operation of the cutter head 1 is prevented from being affected;

further, in the above technical solution, a fixing bolt assembly 9 is arranged inside each spare spoke 5, and a plurality of positioning holes 10 for fixing the fixing bolt assemblies 9 are formed in the inner side wall of the cutter head 1, so that the fixing bolt assemblies 9 and the positioning holes 10 are installed and connected after the spare spokes 5 are adjusted, and the spare spokes 5 can be stably positioned;

a control method of a shield cutter head system capable of adjusting an opening rate in real time comprises the following steps:

the method comprises the steps of firstly, exploring soil in real time, monitoring the soil discharged during the real-time construction of the shield tunneling machine in real time, judging whether the soil is changed or not, judging whether the opening rate of a cutter head needs to be changed or not according to the changed soil, and calculating the opening rate to be changed;

step two, controlling the butt joint of connecting equipment, when the opening ratio of the shield cutter head system needs to be adjusted, quickly stopping the cutter head system to work, releasing the locking of the standby spokes 5, and quickly butting an oil way system required by the driving hydraulic pusher 6, so that the extension and retraction of the hydraulic pusher 6 can be controlled;

step three, the opening ratio is regulated and controlled quantitatively, the hydraulic pusher 6 is controlled to quantitatively push the spare spokes 5 according to the opening ratio required to be changed by calculation, so that the spare spokes 5 are moved out of the inner side of the openings 4, the opening size of the openings 4 is changed, and the opening ratio is adjusted;

fastening a cutter head system, and stably positioning the adjusted spare spokes 5, namely fixing the positions of the spare spokes 5 by adopting connecting pieces such as bolt assemblies;

step five, restarting, namely, withdrawing the connection for controlling the oil way of the hydraulic impeller 6 and other regulating and controlling connection equipment which influences the work of the cutter head system, and then restarting the cutter head system;

further, in the above technical solution, a soil texture comparison table is provided in the cutter head system, the soil texture comparison table records the aperture opening ratio information corresponding to different soil textures, and the soil texture is compared with the comparison table during the soil texture detection in the step one to obtain the corresponding aperture opening ratio;

the implementation mode is specifically as follows: the spare spokes 5 are arranged on the inner sides of the main spokes 2 and supported to move in the range of the adjacent opening 4 through the arc-shaped guide rails 7, the hydraulic pusher 6 is arranged between the spare spokes 5 and the main spokes 2, when the shield cutter head system works, the real-time monitoring is carried out according to the soil quality discharged when the shield machine is constructed in real time, whether the cutter head opening rate needs to be changed or not is judged, when the opening rate of the shield cutter head system needs to be adjusted, the cutter head system is quickly stopped to work, the hydraulic pusher 6 is controlled to quantitatively push the spare spokes 5 according to the change of the opening rate needed by calculation, so that the spare spokes 5 are moved out to the inner sides of the openings 4, the opening sizes of the openings 4 are changed, the adjustment of the opening rate is further realized, and then the spare spokes 5 are stably positioned through the installation connection of the fixing bolt assemblies 9 and the positioning hole sites 10, can restart blade disc system, because the position of installation cutter 3 is unchangeable, only through the position of adjusting reserve spoke 5 on the blade disc 1, release reserve spoke 5, and then can shelter from partial space, the blade disc open rate has been reduced promptly, and during normal tunnelling, the blade disc open rate is the maximum condition, reserve spoke 5 is whole to be released, the blade disc open rate reaches the minimum, and then when meetting the soil property and changing, need not whole the reforming to the shield cutter disc, and make the shield cutter disc can adapt to the tunnel excavation of more different requirements, the adaptability and the practicality of blade disc system have further been improved, very big reduction construction cost.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.