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 PDFInfo
- 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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- Prior art keywords
- cutter
- hobboing cutter
- oil cylinder
- geology
- adaptive
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000007667 floating Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making 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
- E21D9/087—Making 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making 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
- E21D9/0874—Making 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making 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
- E21D9/0875—Making 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910861692.1A CN110439583B (en) | 2019-09-12 | 2019-09-12 | Geological self-adaptive telescopic shield TBM hob device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910861692.1A CN110439583B (en) | 2019-09-12 | 2019-09-12 | Geological self-adaptive telescopic shield TBM hob device |
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Publication Number | Publication Date |
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CN110439583A true CN110439583A (en) | 2019-11-12 |
CN110439583B CN110439583B (en) | 2024-08-13 |
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CN201910861692.1A Active CN110439583B (en) | 2019-09-12 | 2019-09-12 | Geological self-adaptive telescopic shield TBM hob device |
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Cited By (1)
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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Cited By (1)
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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