CN108118736A - Device is inhaled using the reamer head and strand of three-dimensional guide surface drop cutting resistance - Google Patents
Device is inhaled using the reamer head and strand of three-dimensional guide surface drop cutting resistance Download PDFInfo
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- CN108118736A CN108118736A CN201711362327.3A CN201711362327A CN108118736A CN 108118736 A CN108118736 A CN 108118736A CN 201711362327 A CN201711362327 A CN 201711362327A CN 108118736 A CN108118736 A CN 108118736A
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- reamer
- tooth
- head
- soil layer
- cutting
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
- E02F3/9231—Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Device is inhaled using the reamer head and strand of three-dimensional guide surface drop cutting resistance.Reamer head includes mounting structure, several reamer framves 32, reamer beam 34, several reamer arms 33, reamer tooth 35；The mounting structure, several reamer framves, 34 three of knife rest beam constitute the frame structure of reamer head 3；The reamer tooth 35 is fixed on by the carrying of reamer arm 33 outside reamer head 3, and reamer arm 33 is so that 35 installation direction of reamer tooth is directed toward the tangential direction that reamer tooth 35 is rotated around reamer drive shaft 2.The reamer tooth 35 is using the three-dimensional reamer tooth surface being oriented to, to reduce cutter suction dredger reamer tooth cutting resistance.Since the reamer tooth 35 of the present invention is oriented to reamer tooth using three-dimensional, in reamer excavates work progress, it is a progressive cut process to cut soil layer, during the lasting progress of incision, a side slip of the soil layer under the action of extruding force to tooth is simultaneously separated with reamer tooth, therefore reamer tooth skidding distance is small, avoids accumulating at tooth root.
Description
Technical field
Dredging work belonging to the present invention and ocean engineering technical field of construction.
Background technology
With economic and social life development, the mankind are increasingly high to the demand explored with utilized of ocean and marine resources
Rise, these demands promote dredging work and ocean engineering every field fast-developing, in dredging work, twist the construction inhaled and dredged
Pattern is to one of typical way of sea bed material construction, and Type Equipment is cutter suction dredger, and cutter suction dredger can be used for more
The dredging operation of the different soil properties of kind, when cutter suction dredger excavates soil layer to be cut, reamer tooth incision soil layer forces soil
Layer separation loosens, and separation and the soil layer that loosens are under the high-power conveying of cutter suction dredger dredge pump, into reamer head mud suction mouth,
After be transported to precalculated position, the mode that existing cutter suction dredger improves the approach of construction efficiency is to increase cutter suction dredger installation
Power, the current development trend of cutter suction dredger are to outfit high-power engine development, and increase reamer digging force is a kind of straight
Connect idea, can so improve cutter suction dredger job execution efficiency, increase reamer power no doubt can digging force, but not
Solve the problems, such as reamer unit energy operation economy, the effect of reamer cutting soil is can to separate soil layer, increases reamer work(
It is more smoothly carried out although rate can make reamer excavate construction, reduces active force on reamer, operation economy
The trend not taking a favorable turn.
Existing reamer tooth structure type is all for the purpose of reamer tooth can cut soil layer, there is incision, separation, defeated to soil layer
It send, realizes that above-mentioned function also just realizes reamer digging action, can see from the structure type of reamer tooth, the structure of reamer tooth is all
It is that can be divided into reamer tooth front and reamer rear flank.
It functionally divides, reamer tooth front is the structural plane contacted directly with soil layer, has been the knot of main shear action
There is mutually decompression, soil layer and deforms in structure between soil layer and reamer tooth to be cut, the soil layer stress nearest with reamer acts on out
It now separates, contacts with each other with reamer tooth, slid along reamer tooth front, finally slide onto tooth root or be stacked into certain altitude and exist
It is separated under the action of follow-up soil layer with reamer tooth.In this course, the structure of reamer tooth makes cutting soil layer in reamer toothing
Upper skidding distance is larger, reamer tooth accumulation degree it is larger, this all increases reamer tooth and is twisting the stress in inhaling work progress
Situation adds reamer consumption power.Reamer rear flank is the structural plane played a supporting role, and reamer can be made to bear one and be set for
Firmly without fractureing, abrasion continuously emerges in reamer tooth working angles.
Existing reamer tooth Facad structure is designed to planar structure, and this two-dimension plane structure form, which only has, simply cuts
The effect of cutting.During the cutting process, cutting soil layer can cut along opposite cutting movement direction from reamer tooth crown, along reamer tooth
Front is from crown to tooth root direction travel motion, and in reamer tooth mining process, mutual frictional distance is too long between soil layer and tooth,
Frictional force is larger, and consumption power is more.Meanwhile when excavating clay, the clay at position is accumulated under the extruding of sliding soil, density is got over
Come bigger, intensity is higher and higher, be easy to cause the blocking of entire reamer head.Therefore, existing strand peculiar to vessel of dredging of dredging inhales device
High energy consumption, operating efficiency are low.
The content of the invention
Present invention aims to overcome that the deficiencies in the prior art, disclose a kind of three-dimensional guide surface of utilization and drop cutting resistance
It reamer head and twists and inhales device, the reamer tooth 35 in device is the digging element of mining clay, passes through reamer tooth 35 and cuts soil soil
Layer, which plays, realizes soil separation, loose, excavation purpose, and rolling action of the separated soil by current flowing is transported to deposit
Position is store, completion, which twists, inhales mining process, and strand inhales operating efficiency height, low energy consumption.
The technical solution adopted in the present invention：
It is a kind of to dredge reamer head 3 peculiar to vessel of dredging, which is characterized in that including mounting structure 31, several reamer framves 32, reamer beam
34th, several reamer arms 33, reamer tooth 35；
The mounting structure 31, several reamer framves 32,34 three of knife rest beam constitute the frame structure of reamer head 3；
Several reamer framves 32 are presented on the circumferencial direction of reamer axis to be evenly arranged, and is total in the frame structure
It arranges six reamer framves, is arranged between mounting structure 31, reamer beam 34；
The mounting structure 31 carries out axis side using welding form with reamer frame 32 and is connected, while reamer frame 32 and knife rest beam
34 carry out outside connection using welding form；
The reamer tooth 35 is fixed on by the carrying of reamer arm 33 outside reamer head 3, and reamer arm 33 is so that reamer tooth 35 is pacified
It is directed toward the tangential direction that reamer tooth 35 is rotated around reamer drive shaft 2 in dress direction.
Specifically, the reamer arm 33 is connected in the form of welding on reamer frame 32 and reamer beam 34.
Specifically, the reamer tooth 35 usesThe reamer tooth surface that three-dimensional is oriented to,To reduce cutter suction dredger reamer tooth
Cutting resistance.
A kind of strand peculiar to vessel of dredging of dredging inhales device, including above-mentioned 3 structure of reamer head, which is characterized in that further include drive shaft 2
With cutter suction dredger crane span structure 1；The reamer head 3 is installed in drive shaft 2, and drive shaft 2 and reamer head 3 are mounted on crane span structure 1.
The crane span structure 1 is reamer head 3 and the mounting structure of drive shaft 2, bears to excavate the reaction force in work progress, rise
To the effect of structure rack.
The reamer drive shaft 2 is the power input that reamer excavates construction, and the work(that reamer excavates consumption is all defeated from input shaft
Enter, while undertake reaction force of the reamer head in mining process.
The reamer head 3 plays structural support effect, by reamer head 3 can carry reamer tooth 35 and with reamer drive shaft
2 are attached, and so as to fulfill by reamer drive shaft 2 reamer tooth 35 carried on reamer head 3 are driven to carry out soil digging operation
Purpose.When carrying out dredging operation, reamer head 3 drives operating by drive shaft 2, and the reamer tooth 35 on reamer head 3 follows rotation to open
Beginning excavates soil layer.
In above-mentioned technical proposal, since the reamer tooth 35 of the present invention is oriented to reamer tooth using three-dimensional, excavates and construct in reamer
In the process, it is a progressive cut process to cut soil layer, incision is lasting carry out during, soil layer under the action of extruding force to
One side slip of tooth is simultaneously separated with reamer tooth, therefore reamer tooth skidding distance is small, avoids accumulating at tooth root.Specific work
Make principle：
When reamer cuts soil layer, exist firstCrown 352Place is separated；Cutting edge 351 before interareaIn protuberance form
Design, it is describedCutting edge 351 before interareaSeparate reamer toothMain cutting face 353, lateral incision bevel 354, the lateral incision bevel 354 is with cutting
It is parallel to cut direction of relative movement；Main cutting face 353Be byCutting edge 351 before interarea、Main cutting edge 355, cutting edge 356 after interarea
Co- controlling, which forms to shrink, is oriented to three-dimension curved surface；
It excavates in cut process, withMain cutting edge 355Further incision, soil layer is by oblique tear, separated cutting object
Formed due to reamer tooth is cut the effect of relative motion alongMain cutting face 353Into line slip, sliding soil layer is because of reamer toothMaster cuts Bevel 353Three-dimensional guiding role and into tooth side slip, sliding soil layer finally separated with reamer tooth, reduce skidding distance, and
And it avoids accumulating at tooth root.
The construction method and effect that can be obtained：
In reamer excavates work progress, incision soil layer is one and progressive cut the three-dimensional reamer tooth that is oriented to of the present invention
Journey is cut first at crown, incision is lasting carry out during, soil layer under the action of a side slip from extruding force to tooth simultaneously
It separates, excavates in cut process, with the further incision of main cutting edge, soil layer is by oblique tear, separated cutting object with rake teeth
The effect of relative motion is formed due to reamer tooth is cut along main cutting face into line slip, sliding soil layer is because of reamer toothMain cutting face 353Three-dimensional guiding role and into tooth side slip, finally separated with reamer tooth.Reamer tooth three-dimensional guide surface can effectively drop
Low reamer tooth cutting resistance favorably, so as to reach reduction power consumption, reduces reamer tooth and is twisting with soil layer to the one side of tooth into line slip
Inhale the resistance excavated during construction operation.
Description of the drawings
Fig. 1 reamers erection bridge and driving schematic diagram.
The side view of Fig. 2 reamer heads and schematic cross-sectional view.
Fig. 3 is reamer tooth structure diagram (three-view diagram).
Fig. 4 cuts stress diagram for reamer tooth.
Numeral mark in figure：
Crane span structure 1, reamer drive shaft 2, reamer head 3
Reamer head 3：Mounting structure 31, reamer frame 32, reamer arm 33, knife rest beam 34, reamer tooth 35
Reamer tooth 35：
Crown 352,
Main cutting face 353,Cutting edge 351 before interarea, cutting edge 356 after interarea,
Lateral incision bevel 354, lateral undercut cut sword 357, cutting edge 358 behind side,
Cutting face 359 afterwards,
Bevel 361 is undercut, undercuts bevel normal direction 362,
Handle of a knife 360,
Main cutting edge 355,
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, reamer head 3 is mounted on the crane span structure of cutter suction dredger, is driven by reamer drive shaft, reamer tooth
35 are mounted on the knife rest beam 34 and reamer frame 32 of reamer head, and reamer is connected to by reamer arm transition on knife rest beam and reamer frame,
Reamer in construction to cutting soil layer apply cutting force, to be cut object play the role of incision, it is loose, separated, reamer head is applied
Required construction power is provided by reamer drive shaft 2 in work, while reamer drive shaft undertakes reaction of the soil layer to reamer head
Power.
Reamer tooth 35 is cutting constructing structure part in mining process, applies active force to construction soil layer and is allowed to loose and divides
From in the construction process, undertaking construction counter-force, the reamer tooth of stress consumes reamer power, rimer structure shape in work progress
Formula is directly related with stressing conditions, and existing reamer tooth is two-dimension plane structure, and cutting object skidding distance and active force are larger,
At tooth root, reamer arm, knife rest Liang Chu formation siltation cutting object, further increase power consumption, feelings when Dredged marerial is cohesive soil
Cleaning of stopping work is needed when condition is serious.
The design origin of reamer tooth 35：
The reamer tooth 35 usesThe reamer tooth surface that three-dimensional is oriented to,To reduce the cutting resistance of cutter suction dredger reamer tooth
Power.DescribedThree-dimensional guide surface,To avoid in existing two dimensional surface reamer toothing in reamer tooth mining process, soil layer with
Mutual frictional distance is too long between tooth, and frictional force is larger, and consumption power is more, while when excavating clay, accumulates the clay at position
Under the extruding of sliding soil, density is increasing, and intensity is higher and higher, and the technology for be easy to causeing the blocking of entire reamer head is asked
Topic.For this purpose, the present invention providesThe reamer toothing of median rise formDesign, reduce cutting soil layer slid on reamer tooth away from
From, reduce reamer tooth cutting force, avoid cutting clay soil layer accumulation problem.Research shows the present inventionThree-dimensional guide surfaceIt can be with
Cutting soil layer is made to be migrated to the one side of tooth, is avoided in the long skidding distance of reamer tooth cutting surface, while fine must be solved
Reamer tooth is happened at the problem of being accumulated on reamer tooth when cutting clay soil layer, therefore effectively reduces reamer tooth power consumption, solution
Certainly accumulation during reamer tooth cutting clay and power consumption problem.
Further, it is describedMedian rise formReamer tooth structural characterization be：It is a kind of to be reduced using three-dimensional guide surface
The reamer toothing of cutting resistance, it is characterized in that, the reamer tooth main body be byMain cutting edge 355、Cutting edge 351 before interarea, side
Face bottom cutting edge 357 forms protuberance three-dimensional structure；And the reamer tooth main bodyMain cutting face 353Be byCutting edge 351 before interarea、Main cutting edge 355, 356 co- controlling of cutting edge forms to shrink and is oriented to three-dimension curved surface after interarea.
According to analysis and research and experimental study, three-dimensional is oriented to the working angles of reamer tooth compared with the strand of two-dimension plane structure
Cutter tooth can be such that cutting object is separated to the one side of tooth, reduce the stress of tooth, and effectively reduce the generation of siltation situation.The present invention
In reamer tooth 35 be mining clay digging element, by reamer tooth 35 cut soil soil layer play realize soil separate, dredge
Pine, the purpose excavated, separated soil pass through the transported stored position of rolling action of current flowing, complete to twist to inhale and excavate
Journey.
Compared with traditional reamer tooth, 35 structure of reamer tooth of the present invention not only has the function of to realize incision, while realizes soil
Cut guiding role.The reamer tooth 35 of the present embodiment includes cutting edge 351, interarea bottom cutting edge before reamer tooth crown 352, interarea
355th, main cutting edge 356, lateral undercut cut cutting edge 358 behind sword 357, side, main cutting face 353, lateral incision bevel 354, after cut
Bevel 359, undercutting bevel 361, Functional Design are:
The handle of a knife 360 as supporting structure, connects for being installed with reamer arm 33.(identical with traditional reamer tooth)
The reamer tooth crown 352 is used as soil cutting structure, when reamer tooth is cut at first with soil soil layer to contacting,
It is small to cut area.
The reamer tooth lateral incision bevel 354 is support construction, parallel with the direction of motion in reamer working angles, plays master
Want structural support effect.
The lateral undercut cuts sword 357, main cutting edge 355 is soil cutting structure, and lateral undercut cuts sword 357 and main cutting
Sword 355 is into 45 degree of angles, the progressive incision soil layer in reamer work progress, and incision resistance is small.
Guide frame is cut in the reamer tooth main cutting face 353 for soil, plays cutting guiding role, was excavated in cutting
Soil into line slip and is moved along this face in journey.Main cutting face 353 is located on the inside of reamer tooth, is the cutting main slide surface of soil layer,
When reamer is excavated, in the enterprising line slip of reamer tooth after soil layer separation, because of the effect of reamer tooth incision movement, soil layer is cut
It is separated first at crown 352, with the further incision of main cutting edge 355, soil layer is by oblique tear, separated cutting
Object forms the effect of relative motion along main cutting face 353 into line slip due to reamer tooth is cut, and sliding soil layer is because of reamer tooth master
The three-dimensional guiding role in cutting face and into tooth side slip, finally separated with reamer tooth, reduce skidding distance, and avoided in tooth
It is accumulated at root.
Cutting edge 351 cuts one of guide frame feature for soil before the interarea, and main cutting face has been separated in structure
353rd, lateral incision bevel 354；Wherein lateral incision bevel 354 is parallel with reamer tooth cutting movement direction, therefore its cutting undertaken hinders
Power can be ignored, and wherein main cutting face 353 is main carrying stress load face, be to realize the structure directing element for cutting soil, from
The main cutting face 353, lateral incision bevel 354 form ridge structure for reamer tooth flute profile, and it is separated that reamer tooth excavates cutting
Soil layer mainly in 353 enterprising line slip of the main cutting face of one of ridge structure inscape, the guidance quality in main cutting face 353 be by
Cutting angle θ, the two parameters of tool point angle α determine that the ridge structure design of this structure protuberance and the structure of guiding slide surface are special
Sign parameter makes the soil guide function that reamer tooth realizes in soil layer operation process is cut.
Further, the present invention is calculated and controlled to the form parameter of rake teeth tooth form, the cutting of the reamer tooth that provides by
Power formula, while two key parameter cutting angle θ, tool point angle α are determined in design：
The force bearing formulae provided：
It is related that tri- parameters of τ, t, b with the mechanical characteristic and reamer head of institute mining clay excavate the amount of feeding:τ is the shearing resistance of soil
Shearing stress；T is thickness of cutting, related with reamer head rotary speed and the reamer head amount of feeding；B is reamer tooth cutting width, cutting
Efficiency is related, and in Tooth Form Optimizition, cutting width not adjusts.Therefore tri- parameters of τ, t, b are not adjusted during tooth Shape Design
Whole and consideration.
δ is reamer tooth and the angle of friction of the soil excavated, and research according to the present invention shows that δ values are arrived in 0.11 radian
Between 0.12 radian.
Two key parameter cutting angle θ, tool point angle α：
θ is cutting angle, and α is tool point angle, and the two determines tooth form, i.e., two parameters can optimum optimization reamer tooth soil cut
Steering characteristic is cut, so as to control the excavation stressing conditions of reamer tooth.As shown in Figure 4：
The tangential direction and the cutting direction compared with soil layer that X-direction is reamer tooth rotary motion.
Y-direction is the axis direction of reamer drive shaft 2.
Z axis is the vertical axis direction with X-axis, Y-axis.
Cutting edge 351 and X-axis institute angulation are θ angles before interarea, and θ is cutting angle.
Main cutting edge 355 and Y-axis institute angulation are α angles, and α is tool point angle.
Cutting edge 351 in frontIt is β angles with undercutting 361 angulation of bevel, β is line type control angle.
Cutting edge 356 and undercutting 361 angulation of bevel are δ angles after interarea, and δ is line type control angle.
The guiding three-dimension curved surface for so controlling tooth form and obtaining so that on cutting direction of relative movementCrown 352It is first
First cut, hereafter byCutting edge 351, main cutting edge 355, main cutting face 353 before interareaUndertake follow-up shear action.This is led
Include to the composition of factor:
Element one, cutting edge 351 plays the role of point in reamer mining process to for separating master in structure before interarea
Cutting face 353, lateral incision bevel 354, and incision movement occurs first with soil layer, as reamer is further cut, because of the work of extruding
The interior Slideslip of tooth is forced to soil layer.
Element two,Crown 352, main cutting edge 355 cut sword 357 with lateral undercut and are formed in same planeBevel 361 is undercut,
Wherein undercut bevel normal direction 362 as shown in Figure 3；It is describedCutting edge 351 before interareaIntersect with the undercutting bevel 361；Main cutting edge 355It is hyperbolic shape, angle of intersection exists for angle betaCrown 352Place incrementally increases, maximum afterwards into 15 degree of angles
Place is conducive to cut soil layer to lateral sliding into 50 degree of angles, angle beta increase；Lateral incision bevel 354 in incision direction with fortune
Dynamic direction is parallel；356 curve of cutting edge is also hyperbolic shape after interarea, cutting edge 356 and the undercutting bevel after the interarea
361 also intersect, and angle of intersection δ, into 55 degree of angles, is incrementally increased, for maximum into 75 degree, angle δ increase is favourable afterwards in point of intersection
In cut soil layer to lateral sliding.
Element three, it is describedCutting edge 351, main cutting edge 355 before crown 352, interarea, lateral undercut cut 357 common structure of sword
Cheng Liao354 two main cutting face 353, lateral incision bevel facesCutting separation be oriented to element, during the cutting process firstCrown 352It cuts
Enter, then each cutting progressive incision of characteristic element, incision resistance is small and gradual change, and cutting soil layer is in the effect of squeeze pressure
It is lower by edge354 two main cutting face 353, lateral incision bevel facesSliding.
The present invention cutting edge 351, reamer tooth crown 352, reamer tooth main cutting face 353, master before the interarea of reamer tooth cut
Cut in the cutting factor that sword 356 is formed, according to force equation reamer tooth crown cutting angle θ be 45 degree, tool point angle α is
Reamer tooth cuts educational level and is in most bottom status level at 40 degree, at the same parameter θ by 45 degree of angles along reamer tooth cutting direction x directions by
It is cumulative big, and be that tool point angle α is gradually reduced soil can be made to go out to move to tooth root perpendicular to the y directions of cutting direction x horizontal directions
The resistance increase of shifting, and be substantially reduced to flank to skid resistance, it is achieved that reducing excavating resistance and preventing soil in tooth
The purpose of upper siltation.
The present invention is installed on reamer head 3 as shown in Figure 2.Reamer head 3 is by mounting structure 31, several reamer framves 32, knife
34 threes that set a roof beam in place form frame structure, and reamer tooth 35 of the invention is fixed on by the carrying of reamer arm 33 on reamer head 3.The present invention
Reamer tooth 35 be in mining process cutting constructing structure part, to construction soil layer apply active force and be allowed to it is loose and separation,
In work progress, undertake construction counter-force, the reamer tooth of stress consumes reamer power in work progress, rimer structure form with by
Power situation is directly related, and existing reamer tooth is two-dimension plane structure, and cutting object skidding distance and active force are larger, in tooth root
Place, reamer arm, knife rest Liang Chu form siltation cutting object, further increase power consumption, situation is serious when Dredged marerial is cohesive soil
When need stop work cleaning.According to analysis and research and experimental study, three-dimensional is oriented to the working angles of reamer tooth compared with two dimensional surface
The reamer tooth of structure can be such that cutting object is separated to the one side of tooth, reduce the stress of tooth, and effectively reduce the production of siltation situation
It is raw.Reamer tooth 35 in the present invention is the digging element of mining clay, cuts soil soil layer by reamer tooth 35 and plays realization mud
Soil separation, loose, excavation purpose, separated soil pass through the transported stored position of rolling action of current flowing, complete
It twists and inhales mining process.
Claims (4)
1. a kind of dredging is dredged reamer head peculiar to vessel, which is characterized in that including mounting structure 31, several reamer framves 32, reamer beam 34,
Several reamer arms 33, reamer tooth 35；
The mounting structure 31, several reamer framves 32,34 three of knife rest beam constitute the frame structure of reamer head 3；
Several reamer framves 32 are presented on the circumferencial direction of reamer axis to be evenly arranged, and is arranged altogether in the frame structure
Six reamer framves, are arranged between mounting structure 31, reamer beam 34；
The mounting structure 31 carries out axis side using welding form with reamer frame 32 and is connected, while reamer frame 32 is adopted with knife rest beam 34
Outside connection is carried out with welding form；
The reamer tooth 35 is fixed on by the carrying of reamer arm 33 outside reamer head 3, and reamer arm 33 is so that 35 side of installation of reamer tooth
The tangential direction rotated to direction reamer tooth 35 around reamer drive shaft 2.
2. reamer head as described in claim 1, which is characterized in that the reamer tooth 35 usesThe reamer tooth table that three-dimensional is oriented to Face,To reduce cutter suction dredger reamer tooth cutting resistance.
3. a kind of dredging is dredged, peculiar to vessel twist inhales device, including above-mentioned 3 structure of reamer head, which is characterized in that further include 2 He of drive shaft
Cutter suction dredger crane span structure 1；The reamer head 3 is installed in drive shaft 2, and drive shaft 2 and reamer head 3 are mounted on crane span structure 1.
The crane span structure 1 is reamer head 3 and the mounting structure of drive shaft 2, bears to excavate the reaction force in work progress, plays knot
The effect of structure body rack.
The reamer drive shaft 2 is the power input that reamer excavates construction, and the work(that reamer excavates consumption is all inputted from input shaft, together
When undertake reaction force of the reamer head in mining process.
The reamer head 3 plays structural support effect, by reamer head 3 can carry reamer tooth 35 and with reamer drive shaft 2 into
Row connection, so as to fulfill the mesh that the reamer tooth 35 carried on reamer head 3 carries out soil digging operation is driven by reamer drive shaft 2
's.When carrying out dredging operation, reamer head 3 drives operating by drive shaft 2, and the reamer tooth 35 on reamer head 3 follows rotation to start
Soil layer is excavated.
4. reamer head as claimed in claim 3, which is characterized in that since the reamer tooth 35 of the present invention is oriented to reamer using three-dimensional
Tooth, in reamer excavates work progress, incision soil layer is a progressive cut process, during the lasting progress of incision, soil layer
A side slip under the action of from extruding force to tooth is simultaneously separated with reamer tooth, therefore reamer tooth skidding distance is small, avoids in tooth root
Place is accumulated.Specific operation principle：
When reamer cuts soil layer, exist firstCrown 352Place is separated；Cutting edge 351 before interareaIn protuberance form design,
It is describedCutting edge 351 before interareaSeparate reamer toothMain cutting face 353, lateral incision bevel 354, the lateral incision bevel 354 and cutting phase
It is parallel to the direction of motion；Main cutting face 353Be byCutting edge 351 before interarea、Main cutting edge 355, cutting edge 356 is common after interarea
Control, which forms to shrink, is oriented to three-dimension curved surface；
It excavates in cut process, withMain cutting edge 355Further incision, soil layer is by oblique tear, and separated cutting object is because twisting
Cutter tooth cut and formed the effect of relative motion alongMain cutting face 353Into line slip, sliding soil layer is because of reamer toothMain cutting face 353Three-dimensional guiding role and into tooth, side slip, sliding soil layer are finally separated with reamer tooth, reduce skidding distance, and keep away
Exempt to accumulate at tooth root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362327.3A CN108118736B (en) | 2017-12-18 | 2017-12-18 | Reamer head for reducing cutting resistance by utilizing three-dimensional guiding surface and cutter suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362327.3A CN108118736B (en) | 2017-12-18 | 2017-12-18 | Reamer head for reducing cutting resistance by utilizing three-dimensional guiding surface and cutter suction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108118736A true CN108118736A (en) | 2018-06-05 |
| CN108118736B CN108118736B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711362327.3A Active CN108118736B (en) | 2017-12-18 | 2017-12-18 | Reamer head for reducing cutting resistance by utilizing three-dimensional guiding surface and cutter suction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674260A (en) * | 2022-03-28 | 2022-06-28 | 沈阳建筑大学 | Wear detection method for scraper of full-face tunnel boring machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572796A (en) * | 2012-08-01 | 2014-02-12 | 中交上海航道勘察设计研究院有限公司 | Ridged double-curved-surface rake tooth |
| CN103866808A (en) * | 2014-03-11 | 2014-06-18 | 徐跃鹏 | Reamer head for cutter suction device with graded cutter teeth |
| US20140310997A1 (en) * | 2013-04-17 | 2014-10-23 | Christopher J. Wyatt | Cavitating water jet hard rock dredge mining system |
| CN106120939A (en) * | 2016-08-17 | 2016-11-16 | 中交天航港湾建设工程有限公司 | A kind of dredger strongly breaks ground reamer |
| CN207944498U (en) * | 2017-12-18 | 2018-10-09 | 中交疏浚技术装备国家工程研究中心有限公司 | It drops the reamer head of cutting resistance using three-dimensional guide surface and twists and inhale device |
-
2017
- 2017-12-18 CN CN201711362327.3A patent/CN108118736B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572796A (en) * | 2012-08-01 | 2014-02-12 | 中交上海航道勘察设计研究院有限公司 | Ridged double-curved-surface rake tooth |
| US20140310997A1 (en) * | 2013-04-17 | 2014-10-23 | Christopher J. Wyatt | Cavitating water jet hard rock dredge mining system |
| CN103866808A (en) * | 2014-03-11 | 2014-06-18 | 徐跃鹏 | Reamer head for cutter suction device with graded cutter teeth |
| CN106120939A (en) * | 2016-08-17 | 2016-11-16 | 中交天航港湾建设工程有限公司 | A kind of dredger strongly breaks ground reamer |
| CN207944498U (en) * | 2017-12-18 | 2018-10-09 | 中交疏浚技术装备国家工程研究中心有限公司 | It drops the reamer head of cutting resistance using three-dimensional guide surface and twists and inhale device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674260A (en) * | 2022-03-28 | 2022-06-28 | 沈阳建筑大学 | Wear detection method for scraper of full-face tunnel boring machine |
| CN114674260B (en) * | 2022-03-28 | 2023-12-26 | 沈阳建筑大学 | Full-face tunnel boring machine scraper abrasion detection method |
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| CN108118736B (en) | 2023-06-09 |
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