CN110374618A - A kind of cutter ring of disc cutter and its design method of sharpening dental structure - Google Patents
A kind of cutter ring of disc cutter and its design method of sharpening dental structure Download PDFInfo
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- CN110374618A CN110374618A CN201910747053.2A CN201910747053A CN110374618A CN 110374618 A CN110374618 A CN 110374618A CN 201910747053 A CN201910747053 A CN 201910747053A CN 110374618 A CN110374618 A CN 110374618A
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- 238000013461 design Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 20
- 239000011435 rock Substances 0.000 claims abstract description 46
- 235000001968 nicotinic acid Nutrition 0.000 claims abstract description 6
- 238000005457 optimization Methods 0.000 claims description 15
- 230000002902 bimodal effect Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 210000000988 bone and bone Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000011664 nicotinic acid Substances 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 241000937378 Everettia interior Species 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims 1
- 239000010440 gypsum Substances 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 32
- 238000005096 rolling process Methods 0.000 description 12
- 208000037656 Respiratory Sounds Diseases 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010011376 Crepitations Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004221 bone function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000002455 dental arch Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- General Life Sciences & Earth Sciences (AREA)
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- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of cutter ring of disc cutter of sharpening dental structure, cutter ring cross section is made of the left side and right side of symmetrical shape, the right side shape are as follows: by oblique upper right straightway, evagination segmental arc or easement curve section, straight down section, oblique lower-left straightway, from right to left horizontal segment and from bottom to top vertical section successively tail head connection and form a closed figure；Angle in above-mentioned left and right half portion between oblique upper left straightway and oblique upper right straightway i.e. in 90 °~150 ° of value of cone angle φ, radius 10~20mm of r value of two evagination segmental arcs and two the distance between round 15~30mm of b1 value in above-mentioned left and right half portion.The present invention chooses dog with engineering bionics basis and grinds one's teeth in sleep as biological prototype, and simulation dog is ground one's teeth in sleep the geometrical characteristic parameters of meshing functionss, is used in the design of TMB hobboing cutter cutter ring, the present invention has the features such as efficiency of breaking rock is high, long service life.
Description
Technical field
The present invention relates to rock tunnel(ling) machine cutter manufacture fields, especially rock tunnel(ling) machine hobboing cutter cutter ring and its design side
Method.
Background technique
TBM(Tunnel Boring Machine refers to for will be used for the rock tunnel(ling) machine of lithostratigraphy) rely primarily on rolling
The rolling broken rock behavior of knife carries out tunnel piercing operation, the efficiency of breaking rock and wear-resisting property of driving speed and excavation cost and hobboing cutter
It is closely related.Hobboing cutter is made of components such as cutter ring, cutter hub, axis, and wherein cutter ring is the key that fragmented rock body, realizes driving zero
Part.When TBM works, hobboing cutter cutter ring injection rock under the action of propulsive force rolls under the action of cutterhead rotation torque,
To generate compression, tensile stress, shear stress etc. on rock, rolling broken rock is realized.Since the abrasion of scar is extremely strong, rolling
High stress compaction type abrasive wear occurs in rock break-off process for knife cutter ring, causes cutter ring serious wear, replacement frequent.
The wearability and efficiency of breaking rock of disk cutter not only rely on the material properties of cutter ring, more related to its cross sectional shape.
The cross sectional shape of current disk cutter designs, and cannot make hobboing cutter in rolling rock break-off process, tensile stress as far as possible to laterally expanding,
The efficiency of breaking rock for thereby resulting in hobboing cutter is low, and hobboing cutter increases in face rolling times, increases abrasion number.
The blade of current hobboing cutter is perpendicular to acting surface, so tensile stress is not utmostly to two sides in rolling process
Extension, causes hobboing cutter efficiency of breaking rock low, (face is also known as the face Zhang, is a term in tunnel construction in face.Open
Sap as mined, the working face constantly pushed ahead in mining or Tunnel Engineering) the rolling period is elongated, cause cutter ring abrasion tight
Weight, replacement are frequent.And in TBM construction at present, the expense for cutter accounts for the 1/3 of total cost, and exchanging knives process is abnormally dangerous, holds
Accident easily occurs.
Chinese patent literature has following disclosure:
Document one, " a kind of change wearability Hob cutter ring of shield machine " (CN201720412020.9): cutter ring outer rim is radially provided with ring
Shape mountain shape groove, groove left and right side are inlaid with carbide ring, and center is inlaid with middle hard alloy ring, and it is resistance to that it can improve cutter ring
Mill property extends cutter ring service life.
" a kind of design method of cutter ring of disc cutter " (CN103982193A): document two opens up on cutter ring excircle
Spiral arc tooth socket forms several cloth cutting tooths, generates control pick power and extruding force at work, and laterally generating lateral force,
Be conducive to the broken of rock.
Above-mentioned document is short of the specific design to cutter ring shape in terms of theoretical and reality, and cutter ring efficiency of breaking rock still has
Wait improve.
Summary of the invention
The purpose of the present invention is existing technology there are aiming at the problem that and a kind of cutter ring of disc cutter of sharpening dental structure is provided,
It is intended to be arranged on circular ring shape cutter ring and extends out double arcuate structures, reducing hob abrasion, increasing service life and improving efficiency of breaking rock.
The object of the present invention is achieved like this: a kind of cutter ring of disc cutter of sharpening dental structure, feature, cutter ring cross section
It is made of the left side and right side of symmetrical shape, the right side shape are as follows: by oblique upper right straightway, evagination segmental arc or mistake
Cross curved section, straight down section, oblique lower-left straightway, from right to left horizontal segment and from bottom to top vertical section successively tail head connect
It connects and forms a closed figure；Angle in above-mentioned left and right half portion between oblique upper left straightway and oblique upper right straightway is
90 °~150 ° of interior cone angle φ value, radius 10~20mm of r value and two of two evagination segmental arcs in above-mentioned left and right half portion
A circle the distance between 15~30mm of b1 value.
The distance of the center of circle of the right side China and foreign countries convex section to horizontal segment from right to left is equal to R2-R1, wherein hobboing cutter
Internal diameter R1 value is the distance from the center of circle of cutter ring annulus to cutter ring bottom surface, and hobboing cutter base radius R2 value is from cutter ring annulus
The distance of the center of circle two circle center line connectings of two evagination segmental arcs into left and right half portion.
The cutter ring is marble cutter ring, specific size are as follows: Φ=110 °, r=15mm, b1=40mm, and R1=143mm,
R2=201mm。
It is a further object of the present invention to provide the design methods of above-mentioned hobboing cutter cutter.
It is another object of the present invention to what is be achieved: a kind of design method of cutter ring of disc cutter, feature, including following
Step:
(1), complete dog is obtained by three-dimensional laser scanner to grind one's teeth in sleep the point cloud data on surface；It is to have adult special that above-mentioned dog, which is ground one's teeth in sleep,
Sign develops dog good enough and grinds one's teeth in sleep；
(2), pre-processed to a large amount of point cloud datas obtained in step 1 by Geomagic software: alignment merges, noise
Removal, data compaction pretreatment, exclude the extra or wrong data captured in scanning；To pretreated point cloud data into
Row encapsulation process creates polygon model of grinding one's teeth in sleep: polygon by triangle deletion, smooth surface, filling hole and side repairing technique
Shapeization processing, obtains the second best in quality polygon model of grinding one's teeth in sleep;By detection contour line and its curvature, structure is carried out to patch
Patch, relaxation patch, mobile patch processing are made, ideal surface model is converted by the polygon model ground one's teeth in sleep, builds
The three-dimensional entity model that vertical dog is ground one's teeth in sleep；The dog of foundation grind one's teeth in sleep polygon model reconstruction scale error be less than 0.05mm；
(3), it grinds one's teeth in sleep to dog and is engaged the progress sunykatuib analysis of bone process, determine the work department that dog is ground one's teeth in sleep during biting bone
The bimodal shape feature of position-corona；
(4), the dimensional parameters for the bimodal shape feature of corona ground one's teeth in sleep to dog extract, and excellent with the progress analogy of Bionics application object
Change, optimize cutter ring of disc cutter structure using the geometric shape of bimodal shape: in the bionic optimization to disk cutter, use is bimodal
The tensile stress distribution situation of the geometric shape optimization cutter ring of shape；The broken rock working face of hobboing cutter is controlled with cone angle φ in V-arrangement to not
With the matching of rock；Based on above-mentioned parameter, controlled with the distance of center circle b1 of twolip hobboing cutter for abrasion loss；
(5), according to design principle and actual processing, dog obtained in reasonable selecting step (4) is ground one's teeth in sleep crest feature ruler
Very little parameter level, and design corresponding orthogonal test scheme；The characteristic size parameter of corona model includes cone angle Φ, arc in V-arrangement
Shape sword radius r, twolip distance of center circle b1, the wherein optimization range of dimensional parameters are as follows: interior 90 ° of cone angle φ value -- 150 °；Arcuate blade
Radius r value range is 10---20；Twolip distance of center circle b1 value range 15--30；On this basis, it is set with orthogonal array
Count orthogonal test scheme；It is finally distributed using the tensile stress that finite element analysis software obtains and applied stress is excellent as test design
The evaluation criterion for changing effect obtains optimal bionical parameter optimization combination.
Compared with prior art, the beneficial effects of the present invention are:
1, efficiency of breaking rock effectively improves:
When TBM is excavated, with the rotation and propulsion of cutterhead, cutter group, which continuously rolls development end rock, spreads its generation constantly
Destruction area.The edges of regions generates initial crack and extends rapidly.Wherein one or more crackle extends under the action of cutter
It crosses to the scope of freedom or the crackle generated with adjacent cutter and causes rock crushing.Therefore it is got over lateral with radially-arranged tensile stress
Greatly, then the crackle effect that crosses caused by hobboing cutter rolling is more obvious, rock it is easier it is blocky peel off, since extending out for section design is double
Arc structure, so that hobboing cutter is in the rolling process, tensile stress can be expanded to the two sides in rolling portion, to be easier that rock is caused to shell
It falls, effectively improving efficiency of breaking rock, (referring to Fig. 1 Fig. 2, in figure: 1 pressure head, 2 compact cores, 3 middle cracks, 4 sides radial are split to crackle, 5
Line, 6 crush zones, 7 blocky fragments, 8 transition regions, 9 pulling force crackles)
2, by the evolution of hundreds of millions of years, organism is by the evolution of itself and the extraneous survival of the fittest, the animal including tooth
Feed organ has gradually formed the geometry of optimization and has had excellent biomechanical function.Grinding one's teeth in sleep such as dog can be complicated
In oral environment, by driving for muscle, it is engaged bone and reaches effectively broken, and itself tooth still keeps good geometry special
Sign, almost without damage, this provides bionics fiber basis for the optimization of TBM hob cutter ring geometric parameter and mechanical property.
The present invention by engineering bionics it is theoretical based on, choose dog and grind one's teeth in sleep as biological prototype, extract dog and grind one's teeth in sleep occlusion
The main geometrical characteristic parameter of bone function, by its using TBM hob cutter ring working face Bionic Design in, to design one
The disk cutter that there is dog to grind one's teeth in sleep geometry feature is planted, the working efficiency and service life of TBM broken rock are effectively increased.
The present invention be directed to existing disk cutter efficiency of breaking rock is low, mill is easy without broken problem, is rolled in existing dish type
On the basis of knife, provide it is a kind of can improve flange-type hob laterally pull stress distribution situation, thus increase adjacent hobboing cutter crackle cross,
The blocky probability for peeling off rock is generated, the present invention can be reduced the abrasion of hobboing cutter, effectively reduce number of changing knife, construction cost is reduced,
Improve hobboing cutter efficiency of breaking rock and service life.
Detailed description of the invention
Fig. 1 is the hobboing cutter cutter ring schematic diagram that rock cracks during injection rock under propulsive force effect.
Fig. 2 is the schematic diagram that rock crackle forming crosses and cause rock crushing during two hobboing cutter injection rocks.(S in figure
Spacing between sword between two hobboing cutters)
Fig. 3 is the stereoscopic schematic diagram of hobboing cutter cutter ring of the present invention.
Fig. 4 is the cross-sectional view of hobboing cutter cutter ring shown in Fig. 3.
Specific embodiment
Fig. 3 Fig. 4 is shown, a kind of cutter ring of disc cutter of sharpening dental structure, which is characterized in that circular ring shape cutter ring cross section by
The left side of symmetrical shape and right side composition, the right side shape are as follows: by oblique upper right straightway, evagination segmental arc or transition
Curved section, straight down section, oblique lower-left straightway, from right to left horizontal segment and vertical section successively tail head connection from bottom to top
And form a closed figure；Angle in above-mentioned left and right half portion between oblique upper left straightway and oblique upper right straightway is i.e. interior
90 °~150 ° of cone angle φ value, radius 10~20mm of r value of two evagination segmental arcs and two in above-mentioned left and right half portion
The distance between round 15~30mm of b1 value.Left side shape is；By upper left straightway obliquely, evagination segmental arc or transition
Curved section, straight down section, oblique bottom right straightway, from left to right horizontal segment and from bottom to top vertical section successively tail head connection
And form closed figure.
Hobboing cutter section design of the invention is ground one's teeth in sleep corona shape based on dog.
This section blade is made of two arc swords, and blade and vertical direction are in a certain angle.
For this section, the invention proposes corona shape parameters to be designed to this section.
R1- hobboing cutter internal diameter；
(starting point is identical as R1 starting point, that is, cutter ring annulus center of circle, and stop hangs down with two circle center line connectings of twolip for R2- hobboing cutter base radius
Line intersection point)；
B1- twolip distance of center circle；
R1- Circular Nose Cutting Edge radius；
The interior cone angle of Φ-；
The distance of the center of circle of right side China and foreign countries convex section to horizontal segment from right to left is equal to R2-R1, and wherein hobboing cutter internal diameter R1 is
Distance from the center of circle of cutter ring annulus to cutter ring bottom surface, hobboing cutter base radius R2 value are from the center of circle of cutter ring annulus to left and right
The distance of two circle center line connectings of two evagination segmental arcs in half portion, cutter ring bottom surface, that is, cutter ring ring medial surface.
The double arc swords extended out, (the arc sword extended out at an angle is not limited to circular arc, and the mentioned circular arc of this paper, which is one, to be helped
In the shape of understanding, summary of the invention should include other easement curves, be conducive to make to draw in hobboing cutter intrusion rock and rolling process to answer
Power is distributed toward two sides)；Inner cone structure, inner cone structure are used to match geological conditions by interior cone angle Φ, the different angles Φ
With different geology.Because exist expansion arc sword, can improve tensile stress distribution, promote crackle to cross, enable rock more
Maximum probability bulk is peeled off；The interior cone angle of double arc swords: by the change of interior cone angle, hobboing cutter can be allowed to propose the adaptability of different rocks
It is high that (the interior lesser situation of cone angle is used for soft rock；Interior cone angle is larger, is used for hard rock)；The appearance of interior cone angle, so that the blade of hobboing cutter
Sharpness has relatively regulatable range.
It is a kind of to be ground one's teeth in sleep the hobboing cutter cutter ring bionic design method of geometrical characteristic based on dog:
1, complete dog is obtained to grind one's teeth in sleep the point cloud data on surface；
2, a large amount of point cloud datas obtained in step 1 be aligned, merged, the pretreatment such as noise removal, data compaction, being excluded
The extra or wrong data captured in scanning;Processing is packaged to pretreated point cloud data, creation is ground one's teeth in sleep polygon
It is good to obtain quality using triangle deletion, smooth surface, the filling polygonizations such as hole and side repairing technique processing for shape model
Good polygon model of grinding one's teeth in sleep;By detection contour line and its curvature, constructing curve piece, relaxation curved surface are carried out to patch
The processing such as piece, mobile patch, convert ideal surface model for the polygon model ground one's teeth in sleep, and it is real to establish the three-dimensional that dog is ground one's teeth in sleep
Body Model.
3, it grinds one's teeth in sleep to dog and is engaged the progress sunykatuib analysis of bone process, determine the work that dog is ground one's teeth in sleep during biting bone
The bimodal shape feature of position-corona；
4, the dimensional parameters for the bimodal shape feature of corona ground one's teeth in sleep to dog extract, and excellent with the progress analogy of Bionics application object
Change, cutter ring of disc cutter structure is optimized using the geometric shape of bimodal shape；
5, according to design principle and actual processing, dog obtained in reasonable selecting step 4 is ground one's teeth in sleep crest characteristic size ginseng
Number is horizontal, and designs corresponding orthogonal test scheme.
It is to have adult feature that the mentioned dog of above-mentioned steps 1, which is ground one's teeth in sleep, develops dog good enough and grinds one's teeth in sleep；
The reconstruction scale error of processing and surface reconstruction of the step 2 to point cloud data, the ox mill dental arch model of foundation is less than
0.05mm.
In step 4, in the bionic optimization to disk cutter, it is distributed using the tensile stress of the geometric shape optimization cutter ring of bimodal shape
Situation；Matching of the broken rock working face to different rocks of hobboing cutter is controlled with cone angle in V-arrangement；Based on above-mentioned parameter, twolip is used
Distance of center circle come control hobboing cutter for abrasion loss.
In step 5, the characteristic size parameter of corona model includes cone angle Φ in V-arrangement, arcuate blade radius r, twolip distance of center circle
b1, the wherein optimization range of dimensional parameters are as follows: 90 ° of interior cone angle value -- 150 °；Arcuate blade radius value range is 10---
20mm；15-30mm of twolip distance of center circle b1 value range；On this basis, orthogonal test scheme is designed with orthogonal array.
Tensile stress distribution that step 5 is obtained using finite element analysis software and applied stress are as test design effect of optimization
Evaluation criterion, obtain optimal bionical parameter optimization combination.
In the present embodiment, for marble, using 17 inches of flange-type hob cutter rings, Φ=110 °, r=15mm, b1=
40mm,R1=143mm,R2=201mm;It is best to rock failure mechanism of rock effect.
Claims (4)
1. a kind of cutter ring of disc cutter of sharpening dental structure, which is characterized in that circular ring shape cutter ring cross section by symmetrical shape a left side
Half portion and right side composition, the right side shape are as follows: by oblique upper right straightway, evagination segmental arc or easement curve section, vertically
To lower section, oblique lower-left straightway, from right to left horizontal segment and from bottom to top vertical section successively tail head connection and form an envelope
Close figure；The i.e. interior cone angle φ value of angle in above-mentioned left and right half portion between oblique upper left straightway and oblique upper right straightway
90 °~150 °, in above-mentioned left and right half portion radius 10~20mm of r value of two evagination segmental arcs and two it is round between
15~30mm of distance b1 value.
2. a kind of cutter ring of disc cutter of sharpening dental structure according to claim 1, which is characterized in that in the right side
The distance of the center of circle of evagination segmental arc to horizontal segment from right to left is equal to R2-R1, and wherein hobboing cutter internal diameter R1 is from cutter ring annulus
The distance of the center of circle to cutter ring bottom surface, hobboing cutter base radius R2 value be from the center of circle of cutter ring annulus into left and right half portion two it is outer
The distance of two circle center line connectings of convex section.
3. a kind of cutter ring of disc cutter of sharpening dental structure according to claim 2, which is characterized in that the cutter ring is big
Fibrous gypsum cutter ring, specific size are as follows: Φ=110 °, r=15mm, b1=40mm, R1=143mm, R2=201mm.
4. a kind of design method of cutter ring of disc cutter as claimed in claim 1 or 2, which comprises the following steps:
(1), complete dog is obtained by three-dimensional laser scanner to grind one's teeth in sleep the point cloud data on surface；It is to have adult special that above-mentioned dog, which is ground one's teeth in sleep,
Sign develops dog good enough and grinds one's teeth in sleep；
(2), pre-processed to a large amount of point cloud datas obtained in step 1 by Geomagic software: alignment merges, noise
Removal, data compaction pretreatment, exclude the extra or wrong data captured in scanning；To pretreated point cloud data into
Row encapsulation process creates polygon model of grinding one's teeth in sleep: polygon by triangle deletion, smooth surface, filling hole and side repairing technique
Shapeization processing, obtains the second best in quality polygon model of grinding one's teeth in sleep;By detection contour line and its curvature, structure is carried out to patch
Patch, relaxation patch, mobile patch processing are made, ideal surface model is converted by the polygon model ground one's teeth in sleep, builds
The three-dimensional entity model that vertical dog is ground one's teeth in sleep；The dog of foundation grind one's teeth in sleep polygon model reconstruction scale error be less than 0.05mm；
(3), it grinds one's teeth in sleep to dog and is engaged the progress sunykatuib analysis of bone process, determine the work department that dog is ground one's teeth in sleep during biting bone
The bimodal shape feature of position-corona；
(4), the dimensional parameters for the bimodal shape feature of corona ground one's teeth in sleep to dog extract, and excellent with the progress analogy of Bionics application object
Change, optimize cutter ring of disc cutter structure using the geometric shape of bimodal shape: in the bionic optimization to disk cutter, use is bimodal
The tensile stress distribution situation of the geometric shape optimization cutter ring of shape；The broken rock working face of hobboing cutter is controlled with cone angle φ in V-arrangement to not
With the matching of rock；Based on above-mentioned parameter, controlled with the distance of center circle b1 of twolip hobboing cutter for abrasion loss；
(5), according to design principle and actual processing, dog obtained in reasonable selecting step (4) is ground one's teeth in sleep crest feature ruler
Very little parameter level, and design corresponding orthogonal test scheme；The characteristic size parameter of corona model includes cone angle Φ, arc in V-arrangement
Shape sword radius r, twolip distance of center circle b1, the wherein optimization range of dimensional parameters are as follows: interior 90 ° of cone angle φ value -- 150 °；Arcuate blade
Radius r value range is 10---20；Twolip distance of center circle b1 value range 15--30；On this basis, it is set with orthogonal array
Count orthogonal test scheme；It is finally distributed using the tensile stress that finite element analysis software obtains and applied stress is excellent as test design
The evaluation criterion for changing effect obtains optimal bionical parameter optimization combination.
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| CN201910747053.2A CN110374618B (en) | 2019-08-14 | 2019-08-14 | Disk-shaped hob ring with tooth grinding structure imitation and design method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112861391A (en) * | 2021-01-07 | 2021-05-28 | 西南交通大学 | Bionic design method for hammer structure of crusher |
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| JPH08291695A (en) * | 1995-02-23 | 1996-11-05 | Kawasaki Heavy Ind Ltd | Cutter ring of tunnel excavator and method for mounting the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112861391A (en) * | 2021-01-07 | 2021-05-28 | 西南交通大学 | Bionic design method for hammer structure of crusher |
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| CN110374618B (en) | 2020-10-23 |
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