CN110439583A - A kind of geology adaptive, scalable formula shield TBM hob device - Google Patents

A kind of geology adaptive, scalable formula shield TBM hob device Download PDF

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Publication number
CN110439583A
CN110439583A CN201910861692.1A CN201910861692A CN110439583A CN 110439583 A CN110439583 A CN 110439583A CN 201910861692 A CN201910861692 A CN 201910861692A CN 110439583 A CN110439583 A CN 110439583A
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CN
China
Prior art keywords
cutter
hobboing cutter
oil cylinder
geology
adaptive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910861692.1A
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Chinese (zh)
Other versions
CN110439583B (en
Inventor
赵勇
周建军
翟乾智
周学彬
杨剑
喻伟
彭祖民
廖杰
杨延栋
张合沛
陈桥
杨振兴
潘东江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Key Laboratory of Shield Machine and Boring Technology
China Railway Tunnel Group Co Ltd CRTG
China Railway South Investment Group Co Ltd
Original Assignee
State Key Laboratory of Shield Machine and Boring Technology
China Railway Tunnel Group Co Ltd CRTG
China Railway South Investment Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by State Key Laboratory of Shield Machine and Boring Technology, China Railway Tunnel Group Co Ltd CRTG, China Railway South Investment Group Co Ltd filed Critical State Key Laboratory of Shield Machine and Boring Technology
Priority to CN201910861692.1A priority Critical patent/CN110439583B/en
Publication of CN110439583A publication Critical patent/CN110439583A/en
Application granted granted Critical
Publication of CN110439583B publication Critical patent/CN110439583B/en
Active legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/087Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0874Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with rotary drilling heads having variable diameter
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The present invention relates to a kind of geology adaptive, scalable formula shield TBM hob devices.Aim to solve the problem that the problem of knife eccentric wear and tipping in the prior art.The cutter shaft of hobboing cutter is mounted in tool apron in the present invention, and tool apron upper surface is protruded from the top of hobboing cutter;Tool apron is the rectangular parallelepiped structure equipped with accommodating chamber, and the size of accommodating chamber is greater than the size of hobboing cutter of the inside;Floating cutter shaft fixed mechanism is installed in accommodating chamber, floating cutter fixed mechanism includes the hobboing cutter card slot that at least two groups telescopic oil cylinder is praised, hobboing cutter card slot includes the fixed lower part snap-gauge and top snap-gauge of bolt, semicircle orifice is correspondingly arranged between lower part snap-gauge and top snap-gauge to install cutter shaft, telescopic oil cylinder is equipped with pressure sensor and range sensor, and pressure sensor connects the input terminal of controller with range sensor.Advantage is: changing the stress of hobboing cutter by adjusting telescopic oil cylinder, makes all hobboing cutter uniform forces;Hobboing cutter position can be adjusted in unbalance stress avoids hobboing cutter from bearing larger load or not by load.

Description

A kind of geology adaptive, scalable formula shield TBM hob device
Technical field
The present invention relates to hobboing cutters in shield TBM equipment to be loaded apparatus field, especially a kind of geology adaptive, scalable formula Shield TBM hob device.
Background technique
Shield/TBM has been incorporated in extensively in the construction of Mountain Tunnels and city underground, due to stratum in tunneling process Complicated condition, hobboing cutter unbalance stress, easily the generation eccentric wear as caused by hobboing cutter unbalance stress, tipping, or even cutterhead occurs and breaks Situations such as splitting.In previous engineering, due to soft or hard unevenness in the complicated same section of geological condition, make same scrolling through hobboing cutter Unbalance stress in journey, the cutter arranged on cutterhead is not since strata condition has to, and stress is all different, when tunneling in this case The case where often there is a situation where hobboing cutter tipping and hobboing cutter eccentric wears, tradition solves the problems, such as hobboing cutter problem, and often every driving is certain Number of rings carries out hobboing cutter detection, and hobboing cutter maintenance causes more duration waste, seriously affected shield-tunneling construction drivage efficiency.Rolling Cause knife up difference different after knife replacement since the abrasion of adjacent knife position is inconsistent, cause hobboing cutter stress seriously uneven when promoting, Hobboing cutter tipping happens occasionally.Therefore the geology adaptive, scalable formula TBM hob device that the present invention designs, can rotate in cutterhead In the process, the pile penetration of hobboing cutter is automatically adjusted according to geological condition difference, guarantees that all hobboing cutters of hobboing cutter can uniform force.
In published patent document, a kind of entitled hobboing cutter installation knot of shield machine of 201820499670 .6 of application number The patent of structure, including pedestal, pedestal define the open accommodation space in front-end and back-end, and opposite two side plate of pedestal is opened Equipped with the bar shaped mounting groove for leading to accommodation space, hobboing cutter is partially protruded into accommodation space, and the cutter shaft of hobboing cutter axial sides protrudes into Bar shaped mounting groove, and can be moved forward and backward along bar shaped mounting groove, the rear wall of bar shaped mounting groove is equipped with elastic component, the front end of elastic component Middleware is directed or through to offset with cutter shaft elasticity.The utility model enables hobboing cutter in compound stratum, and automatic adjustment is stretched Length is out to adapt to the stratomere of different hardness.However, disadvantage is voluntarily to be sprung back according to pressure, and the feedback that can not have a try With adjustment, in conclusion there are the problems of hobboing cutter eccentric wear and tipping for technology at this stage.
Summary of the invention
The object of the invention is in order to solve the problems, such as hobboing cutter eccentric wear and tipping in the prior art.
Concrete scheme of the invention is:
A kind of geology adaptive, scalable formula shield TBM hob device is designed, is mounted on cutter head of shield machine, the knife including hobboing cutter Axis is mounted in tool apron, and tool apron upper surface is protruded from the top of hobboing cutter;The tool apron is the rectangular parallelepiped structure equipped with accommodating chamber, institute The size for stating accommodating chamber is greater than the size of hobboing cutter of the inside;Floating cutter shaft fixed mechanism is installed in the accommodating chamber, The floating cutter fixed mechanism includes the hobboing cutter card slot that at least two groups, every group of two telescopic oil cylinders are praised, and the center of gravity of hobboing cutter It is on same vertical line with the center of the floating cutter fixed mechanism, the hobboing cutter card slot includes the fixed lower part of bolt Snap-gauge and top snap-gauge, the bolt location is parallel with the telescopic oil cylinder position, right between the lower part snap-gauge and top snap-gauge Semicircle orifice should be set to install cutter shaft, the telescopic oil cylinder is equipped with pressure sensor and range sensor, the pressure sensing Device connects the input terminal of controller with range sensor, and the output end connection oil pump of the controller is living in telescopic oil cylinder to control The displacement of stopper rod, the controller are mounted on the tool apron outer ledge, and the cutter shaft is equipped with mechanical arm clamp breach, described Accommodating chamber bottom is equipped with the edge of a knife.
Bearing is installed between the cutter shaft and cutter ring.The tool apron includes symmetrical two parts pedestal, the cross of the pedestal Section is L-type, and opposite installation is equipped with distance adjusting mechanism between the pedestal to form accommodating chamber.The pressure sensor and position Displacement sensor is mounted on the oil cylinder inner wall of telescopic ram.
The edge of a knife out is ellipse, and long axis is greater than cutter ring outer diameter, and short axle is greater than hobboing cutter width.
Alternatively, the edge of a knife replaces with rectangular out, long side is greater than cutter ring outer diameter, and short side is greater than hobboing cutter width, and circle is equipped at seamed edge Angle
Limiting slot is equipped between hob device and shield cutter, the limiting slot is parallel with the telescopic oil cylinder.The telescopic oil cylinder Bottom, far from hobboing cutter side, be equipped with triangle deep floor.
Every the branch where hob device include pressure sensor corresponding with compression cylinder and displacement sensor, in shield Multiple branches are connected on structure machine knife disk control main line, and a hob device, the input of the main line connection controller are uniformly installed The output end at end, the controller connects each telescopic oil cylinder.
The beneficial effects of the present invention are:
The present invention can change the stress of hobboing cutter by adjusting telescopic oil cylinder, make all hobboing cutter uniform forces;In unbalance stress Hobboing cutter position, which can be adjusted, avoids hobboing cutter from bearing larger load or not by load.The present invention can according to hobboing cutter former and later two The pressure change of telescopic oil cylinder show that hobboing cutter institute's bending moment changes, and prevents eccentric wear;
When hob abrasion is serious, can by retract oil cylinder carry out hobboing cutter replacement, when hobboing cutter replacement process it is faster;
It can guarantee hobboing cutter uniform force.Hobboing cutter can be monitored in real time by the forward and backward oil cylinder of hobboing cutter in hobboing cutter rock break-off process Stress and moment of flexure variation prevent hobboing cutter generation eccentric wear and tipping by the adjustable hobboing cutter spatial position of telescopic oil cylinder;
Change in displacement in rock break-off process through oil cylinder judges the abrasion condition of hobboing cutter, can be by adjusting oil in serious wear Cylinder, which retracts, carries out hobboing cutter replacement.Have that different degrees of knife up is poor after hobboing cutter replacement under traditional mode, the presence of knife up difference It is the important prerequisite for causing hobboing cutter that abrasion and tipping occurs, the present invention adjusts hobboing cutter by telescopic oil cylinder after hobboing cutter replacement and stretches It is poor to avoid knife up for distance out.
Detailed description of the invention
Fig. 1 is a kind of main view of geology adaptive, scalable formula shield TBM hob device;
Fig. 2 is a kind of top view of geology adaptive, scalable formula shield TBM hob device;
Fig. 3 is a kind of shaft side figure of geology adaptive, scalable formula shield TBM hob device;
The names of the parts in figure: 1, hinge joint;2, rear telescopic oil cylinder;3, front stretching oil cylinder;4, hobboing cutter card slot;5, tool apron;6, oily Cylinder control device;7, hobboing cutter;8, bolt.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
A kind of geology adaptive, scalable formula shield TBM hob device is mounted on cutter head of shield machine referring to Fig. 1 to Fig. 3, is wrapped The cutter shaft for including hobboing cutter 7 is mounted in tool apron 5, and the top of hobboing cutter 7 protrudes from 5 upper surface of tool apron;Tool apron 5 is the length equipped with accommodating chamber Cube structure, the size of accommodating chamber are greater than the size of hobboing cutter 7 of the inside;The fixed machine of floating cutter shaft is installed in accommodating chamber Structure, floating cutter fixed mechanism include the hobboing cutter card slot 4 that at least two groups, every group of two telescopic oil cylinders are praised, and the center of gravity of hobboing cutter 7 Be on same vertical line with the center of floating cutter fixed mechanism, hobboing cutter card slot 4 include the fixed lower part snap-gauge of bolt 8 and Top snap-gauge, 8 position of bolt is parallel with telescopic oil cylinder position, and semicircle orifice is correspondingly arranged between lower part snap-gauge and top snap-gauge to install Cutter shaft, telescopic oil cylinder are equipped with pressure sensor and range sensor, and pressure sensor connects controller with range sensor Input terminal, the output end of controller connect oil pump to control the displacement of piston rod in telescopic oil cylinder, and controller is mounted on outside tool apron 5 Side edge, cutter shaft are equipped with mechanical arm clamp breach, and accommodating chamber bottom is equipped with the edge of a knife.
Bearing is installed between cutter shaft and cutter ring.In the course of work, hobboing cutter 7 is mounted in floating cutter fixed mechanism, is floated Cutter head fixed mechanism is mounted in tool apron 5, and tool apron 5 is mounted on shield cutter, and 7 cutter head of hobboing cutter protrudes from tool apron 5 and shield knife Disk, as driving is realized in the rotation of cutterhead, when needing tool changing, tool apron 5 is exited from cutterhead rear to be replaced or tool apron 5 Motionless, hobboing cutter 7 takes out with the help of manipulator from cutterhead rear.
Pressure sensor and displacement sensor are mounted on the oil cylinder inner wall of telescopic ram.The edge of a knife is ellipse, long axis out Greater than cutter ring outer diameter, short axle is greater than 7 width of hobboing cutter.In the course of work, pressure suffered by hobboing cutter 7 and abrasion bring position are perceived Offset realizes whether rebalancing or prompt are replaced by adjusting telescopic oil cylinder later.
Further, it is devised in the present embodiment and compression cylinder is uniformly installed in the quadrangle of hobboing cutter 7, more than adjusting position, Torque suffered by hobboing cutter 7 can also be balanced indirectly, and maintenance cutter head balance extends the service life of cutter head.
Limiting slot is equipped between hob device and shield cutter, limiting slot is parallel with telescopic oil cylinder.It is the bottom of telescopic oil cylinder, remote Side from hobboing cutter 7 is equipped with triangle deep floor.Promote the rigidity of hydraulic cylinder, while the installation of triangle deep floor Point do not influence hobboing cutter 7) disassembly.
Every the branch where hob device include pressure sensor corresponding with compression cylinder and displacement sensor, in shield Multiple branches being connected on structure machine knife disk control main line, a hob device being uniformly installed, main line connects the input terminal of controller, control The output end of device processed connects each telescopic oil cylinder.
Pressure change in tunneling process through forward and backward telescopic oil cylinder can adjust the moment of flexure variation of hobboing cutter 7, prevent from rolling 7 eccentric wear of knife.According to displacement and pressure changing in tunneling process, hobboing cutter 7 can be understood in real time and tunnels situation, prevents hobboing cutter 7 eccentric wears and tipping.
It can be judged by telescopic oil cylinder displacement sensing apparatus in 7 serious wear of hobboing cutter, in serious wear Shi Ketong It crosses retraction oil cylinder and carries out the replacement of hobboing cutter 7, keep the replacement of hobboing cutter 7 more convenient, rapid, reliable.It is adjustable after the replacement of hobboing cutter 7 to stretch Contracting oil cylinder keeps 7 knife up of hobboing cutter difference consistent, 7 unbalance stress of hobboing cutter is avoided to cause 7 tipping of hobboing cutter.It is hinged on energy when hobboing cutter 7 is replaced Enough adjustment 7 positions of hobboing cutter rapidly keep tool changing operation more convenient reliable.Hobboing cutter card slot 4 is set as Quick replaceable device, passes through two The bolt 8 on side is reinforced, it is ensured that the stabilization in 7 tunneling process of hobboing cutter.
Embodiment 2
The present embodiment principle is with embodiment 1, and specifically the difference is that, the edge of a knife replaces with rectangular out, and long side is greater than outside cutter ring Diameter, short side are greater than 7 width of hobboing cutter, are equipped with fillet at seamed edge.
Embodiment 3
The present embodiment principle is with embodiment 1, and specifically the difference is that, tool apron 5 includes symmetrical two parts pedestal, pedestal Cross section is L-type, and opposite installation is equipped with distance adjusting mechanism between pedestal to form accommodating chamber.Tool apron 5 does ingredient in the present embodiment Body shape can adapt to the hobboing cutter 7 of a variety of different-thickness, that is, the shield cutter of different model during the work time, use model It encloses wide.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (9)

1. a kind of geology adaptive, scalable formula shield TBM hob device, is mounted on cutter head of shield machine, it is characterised in that: packet The cutter shaft for including hobboing cutter (7) is mounted in tool apron (5), and tool apron (5) upper surface is protruded from the top of hobboing cutter (7);The tool apron (5) is Rectangular parallelepiped structure equipped with accommodating chamber, the size of the accommodating chamber are greater than the size of hobboing cutter (7) of the inside;In the appearance Receive intracavitary installation floating cutter shaft fixed mechanism, the floating cutter fixed mechanism includes at least two groups, every group of two telescopic oil cylinders The hobboing cutter card slot (4) praised, and the center of the center of gravity of hobboing cutter (7) and the floating cutter fixed mechanism is in same vertical line On, the hobboing cutter card slot (4) includes bolt (8) fixed lower part snap-gauge and top snap-gauge, and bolt (8) position is stretched with described Contracting oil cylinder position is parallel, is correspondingly arranged semicircle orifice between the lower part snap-gauge and top snap-gauge to install cutter shaft, the telescopic oil cylinder It is equipped with pressure sensor and range sensor, the pressure sensor connects the input terminal of controller, institute with range sensor The output end connection oil pump of controller is stated to control the displacement of piston rod in telescopic oil cylinder, the controller is mounted on the tool apron (5) outer ledge, the cutter shaft are equipped with mechanical arm clamp breach, and the accommodating chamber bottom is equipped with the edge of a knife.
2. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: the cutter shaft Bearing is installed between cutter ring.
3. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: the tool apron It (5) include symmetrical two parts pedestal, the cross section of the pedestal is L-type, and opposite installation is to form accommodating chamber, between the pedestal Equipped with distance adjusting mechanism.
4. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: the pressure Sensor and displacement sensor are mounted on the oil cylinder inner wall of telescopic ram.
5. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: the knife out Mouth is ellipse, and long axis is greater than cutter ring outer diameter, and short axle is greater than hobboing cutter (7) width.
6. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: the knife out Mouth replaces with rectangular, and long side is greater than cutter ring outer diameter, and short side is greater than hobboing cutter (7) width, and fillet is equipped at seamed edge.
7. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: hob device Limiting slot is equipped between shield cutter, the limiting slot is parallel with the telescopic oil cylinder.
8. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: described flexible The bottom of oil cylinder, the side far from hobboing cutter (7), are equipped with triangle deep floor.
9. geology adaptive, scalable formula shield TBM hob device as described in claim 1, it is characterised in that: every hobboing cutter Branch where device includes pressure sensor corresponding with compression cylinder and displacement sensor, controls main line in cutter head of shield machine The multiple branches of upper connection uniformly install a hob device, the input terminal of the main line connection controller, the controller it is defeated Outlet connects each telescopic oil cylinder.
CN201910861692.1A 2019-09-12 2019-09-12 Geological self-adaptive telescopic shield TBM hob device Active CN110439583B (en)

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Application Number Priority Date Filing Date Title
CN201910861692.1A CN110439583B (en) 2019-09-12 2019-09-12 Geological self-adaptive telescopic shield TBM hob device

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CN110439583B CN110439583B (en) 2024-08-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111794762A (en) * 2020-08-07 2020-10-20 山东瑞钻工程装备有限公司 Hob cutter ring power-assisted rotating device

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Publication number Priority date Publication date Assignee Title
CN111794762A (en) * 2020-08-07 2020-10-20 山东瑞钻工程装备有限公司 Hob cutter ring power-assisted rotating device

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