CN106677241A - Bionic dredging reamer - Google Patents
Bionic dredging reamer Download PDFInfo
- Publication number
- CN106677241A CN106677241A CN201710122626.3A CN201710122626A CN106677241A CN 106677241 A CN106677241 A CN 106677241A CN 201710122626 A CN201710122626 A CN 201710122626A CN 106677241 A CN106677241 A CN 106677241A
- Authority
- CN
- China
- Prior art keywords
- reamer
- cutter tooth
- dredging
- bionical
- tool arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
Abstract
The invention discloses a bionic dredging reamer which comprises a hub, a macro ring and a plurality of reamer arms; one end of each reamer arm is fixed to the wheel hub; the other ends of the reamer arms are fixed to the macro ring; a plurality of tooth holders are arranged on one side of each reamer arm; and reamer teeth are formed on each tooth holder, and are wedge-shaped. From the point of bionics, the bionic dredging reamer provided with the concave pit shaped reamer teeth is designed by referring to claw toes of soil animals like ground squirrels and pangolins, the geometric shape and the mechanical property of the bionic dredging reamer are optimized, the adherence to the bionic dredging reamer by the soil is reduced, the working resistance is reduced, and the bionic dredging reamer has high practical value.
Description
Technical field
The invention belongs to Dredging Technology field, and in particular to a kind of bionical dredging reamer.
Background technology
In production operation environment under water, dredging soil is all soil under water to dredging reamer, with very big cutting resistance.
Resistance suffered by traditional dredging tool is big, easy-adhesion soil and make dredging efficiency low, service life is not long, therefore, research and development have subtract
A kind of dredging reamer of viscous resistance reducing performance, it has also become trend, and bionical dredging reamer is even more is rapidly progressed in recent years.
The content of the invention
The purpose of the present invention is for the problems referred to above, there is provided a kind of reasonable in design, the novel bionical dredging reamer of thinking, energy
It is enough effectively to reduce tool surface soil adhesion phenomenon, reduce skin resistance, improve dredging efficiency.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of bionical dredging reamer, including wheel hub, big ring and multiple tool arms, one end of the tool arm is fixed on wheel hub, another
End is fixed on big ring, and the side of each tool arm is provided with multiple toothholders, and cutter tooth is equipped with each toothholder, and the cutter tooth is in wedge
Shape, the wheel hub is connected with reamer power transmission shaft, and whole bionical dredging reamer rotates under the drive of reamer power transmission shaft during work, institute
Tool arm is stated when reamer rotates, cutting soil is allowed to deformation and crushes, and broken soil is mixed with water, into suction inlet.
Preferably, the curvilinear equation of the inner outline of the tool arm cross section is yin=0.000005x4- 0.0005x3
+ 0.022x2- 0.6813x-16.841, wherein, the span of x is -25≤x≤15.
Preferably, the curvilinear equation of the outer contour of the tool arm cross section is yout=0.00001x4- 0.0009x3+
0.0289x2The span of -0.9509x-39.539, wherein x is -20≤x≤20.
The inner profile curve equation and outline curvilinear equation of above-mentioned tool arm cross section is to measure by the following method：Build
Vertical rectangular coordinate system, ground squirrel pawl toe sample is put in set up rectangular coordinate system, measures the inside and outside profile of ground squirrel pawl toe sample
The coordinate figure of line each point, is fitted respectively with method of least square to internal and external contour line, respectively to Internal periphery and outline
Curvilinear equation.
Preferably, the number of the tool arm is 4-6.
Preferably, the cutter tooth includes bottom surface, trailing flank and leading flank, the bottom surface of cutter tooth is connected with toothholder, cutter tooth
Leading flank is provided with multiple pits.
Preferably, the angle between the trailing flank and leading flank of cutter tooth is in 20-25 degree.Cutter tooth is with reference to soil such as Squama Maniss
The pawl toe of animal, such Bionic Design can alleviate the phenomenon that soil compression aggregation adheres to cutter tooth.
Preferably, multiple pits are in the uniform distributed rectangular of shape size on the leading flank of the cutter tooth.
Preferably, the pit is spherical.
Used as further preferred, the angle between the trailing flank and leading flank of the cutter tooth is in 20 degree.
The invention has the beneficial effects as follows：
The bionical dredging reamer of dimple-shaped cutter tooth designed by the present invention is from bionic angle, reference ground squirrel, Squama Maniss etc.
The pawl toe of soil animal is designed, and optimizes the geometry and mechanical property of reamer, reduces soil and reamer is glued
It is attached, working resistance is reduced, with very high practical value.
Description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of tool arm；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 is the structural representation of cutter tooth；
Fig. 5 is the structural representation of embodiment 2；
Fig. 6 is the structural representation of embodiment 3.
Reference numerals list：
Wherein, 1- wheel hubs；2- tool arms；The big rings of 3-；4- toothholders；5- cutters tooth；21- Internal peripheries；22- outlines；51- leading flanks；
52- trailing flanks；53- bottom surfaces；54- pits.
Specific embodiment
With reference to the accompanying drawings and detailed description the invention will be further described：
Embodiment 1
As shown in figure 1, a kind of bionical dredging reamer, including wheel hub 1, tool arm 2, toothholder 4, big ring 3 and cutter tooth 5, wheel hub 1 with twist
Cutter drive shaft is connected, and with gearing, wheel hub 1 is generally anti-tooth trapezoidal thread and is connected with the connected mode of reamer power transmission shaft.
Tool arm 2 has multiple, and one end of tool arm 2 is fixed on the outside of wheel hub 1, and the other end is fixed on the upper surface of big ring 3, multiple tool arms 2
It is evenly distributed in the peripheral circumferential of big ring 3, the side of each tool arm 2 is provided with multiple toothholders 4, on each toothholder 4 cutter tooth is equipped with
5, cutter tooth 5 is wedge shaped, toothholder 4 be plane, due to curved surface install cutter tooth 5 it is improper, therefore arrange toothholder 4, for assembling knife
Tooth 5.When reamer rotates, cutting soil is allowed to deformation and crushes tool arm 2, and broken soil is mixed with water, into suction inlet.
Citellus dauricus pawl toe has excellent excavation and de- soil drop resistance function, it has been investigated that, pawl toe contour curve
Curvature is presented fluctuation characteristic so that soil internal pressure fluctuates, and shearing strength is reduced, so as to easily broken, cutting.Therefore
The tool arm 2 of the present invention carries out Bionic Design according to the pawl toe of citellus dauricus.
As shown in Figure 2 and Figure 3,21 is Internal periphery to the structure of tool arm 2 in Fig. 3, and 22 is outline, the lubrication groove of the cross section of tool arm 2
Wide 21 curvilinear equation is：yin=0.000005x4- 0.0005x3+ 0.022x2- 0.6813x-16.841, wherein, x's
Span is -25≤x≤15, and the curvilinear equation of the cross section outline 22 of tool arm 2 is yout=0.00001x4- 0.0009x3+
0.0289x2- 0.9509x-39.539, wherein, the span of x is -20≤x≤20.
Above-mentioned inner profile curve equation and outline curvilinear equation are measured by the following method：Set up rectangular coordinate
System, ground squirrel pawl toe sample is put in set up rectangular coordinate system, measures the seat of the inside and outside contour line each point of ground squirrel pawl toe sample
Scale value, is fitted respectively with method of least square to internal and external contour line, respectively to Internal periphery and the curvilinear equation of outline.
Above-mentioned curvilinear equation is first drawn when the making of tool arm 2 is applied to according to the curvilinear equation of Internal periphery and outline
Go out inner profile curve and outline curve, inner profile curve is connected the tool arm that be obtained with the two ends of outline curve respectively
The shape of 2 cross sections, after obtaining inner profile curve shape and outline curve shape, according to reamer actual size demand according to
Certain ratio is amplified, so as to obtain the inner profile curve and outline curve of tool arm 2.
As shown in figure 4, cutter tooth 5 includes leading flank 51, trailing flank 52 and bottom surface 53, bottom surface 53 and the toothholder 4 of cutter tooth 5 connect
Connect, the leading flank 51 of cutter tooth 5 is provided with multiple domed pits 54, in the uniform distributed rectangular of shape size, after cutter tooth 5
Angle between side 52 and leading flank 51 is in 20-25 degree, and 20 degree are preferably in the present embodiment.The non-smooth surface of cutter tooth 5 sets
Meter can reduce adhesion and friction of the soil to cutter, improve cutter life, also, cutter tooth 5 is dynamic with reference to soil such as Squama Maniss
The pawl toe of thing, such Bionic Design can alleviate the phenomenon that soil compression aggregation adheres to cutter tooth 5.
Cutter tooth 5 in the present embodiment is the design of the shape of pit 54, in the cutting soil course of tool arm 2, reduces soil to cutter
Negative pressure adhesion effect, reduce resistance, improve reamer service life, improve dredging efficiency.
Tool arm 2 is 6 in the present embodiment, and each tool arm 2 is provided with 7 toothholders 4 and cutter tooth 5, and the leading flank 51 of cutter tooth 5 is total to
16 pits 54 are provided with, and in 4 × 4 distributed rectangular.The present embodiment is optimum implementation, in practice toothholder 4 and cutter tooth 5
Quantity can be adjusted according to the size of tool arm 2.The quantity and arrangement mode of pit 54 can be entered according to the size of cutter tooth 5
Row adjustment.
Embodiment 2
As shown in figure 5, the present embodiment is substantially the same manner as Example 1, it is 5 that difference is tool arm 2, and each tool arm 2 is provided with 6
Toothholder 4 and cutter tooth 5, the leading flank 51 of cutter tooth 5 is provided with 12 pits 54, and in 3 × 4 distributed rectangular.
Embodiment 3
As shown in fig. 6, the present embodiment is substantially the same manner as Example 1, it is 4 that difference is tool arm 2, and each tool arm 2 is provided with 5
Toothholder 4 and cutter tooth 5, the angle between the trailing flank 52 and leading flank 51 of cutter tooth 5 is in 25 degree, and the leading flank 51 of cutter tooth 5 is provided with 9
Pit 54, and in 3 × 3 distributed rectangular.
Technological means disclosed in the present invention program are not limited only to the technological means disclosed in above-mentioned embodiment, also include
The technical scheme being made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of bionical dredging reamer, including wheel hub, big ring and multiple tool arms, it is characterised in that one end of the tool arm is fixed
On wheel hub, the other end is fixed on big ring, and the side of each tool arm is provided with multiple toothholders, and on each toothholder cutter tooth is equipped with,
The cutter tooth is wedge shaped.
2. bionical dredging reamer as claimed in claim 1, it is characterised in that the curve of the inner outline of the tool arm cross section
Equation is yin=0.000005x4- 0.0005x3+ 0.022x2- 0.6813x-16.841；Wherein, the span -25 of x≤
x≤15。
3. bionical dredging reamer as claimed in claim 1 or 2, it is characterised in that the outer contour of the tool arm cross section
Curvilinear equation is yout=0.00001x4- 0.0009x3+ 0.0289x2The span of -0.9509x-39.539, wherein x
It is -20≤x≤20.
4. bionical dredging reamer as claimed in claim 1, it is characterised in that the number of the tool arm is 4-6.
5. bionical dredging reamer as claimed in claim 1, it is characterised in that the cutter tooth includes front survey face, trailing flank and bottom
Face, the bottom surface of cutter tooth is connected with toothholder, and the leading flank of cutter tooth is provided with multiple pits.
6. bionical dredging reamer as claimed in claim 5, it is characterised in that the angle between the trailing flank and leading flank of cutter tooth
In 20 ~ 25 degree.
7. bionical dredging reamer as claimed in claim 5, it is characterised in that multiple pits are on the leading flank of the cutter tooth
The uniform distributed rectangular of shape size.
8. the bionical dredging reamer as described in claim 5 to 7 any one, it is characterised in that the pit is spherical.
9. bionical dredging reamer as claimed in claim 6, it is characterised in that between the trailing flank and leading flank of the cutter tooth
Angle is in 20 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122626.3A CN106677241A (en) | 2017-03-03 | 2017-03-03 | Bionic dredging reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122626.3A CN106677241A (en) | 2017-03-03 | 2017-03-03 | Bionic dredging reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677241A true CN106677241A (en) | 2017-05-17 |
Family
ID=58862463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710122626.3A Pending CN106677241A (en) | 2017-03-03 | 2017-03-03 | Bionic dredging reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677241A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905282A (en) * | 2017-11-29 | 2018-04-13 | 中交上海航道局有限公司 | One kind digs cohesive soil reamer |
| CN110424484A (en) * | 2019-07-24 | 2019-11-08 | 河海大学常州校区 | A kind of bionical wedge-shaped dredging reamer tooth |
| CN110424490A (en) * | 2019-07-24 | 2019-11-08 | 河海大学常州校区 | A kind of dredging reamer in imitative lobster chela portion |
| CN112356265A (en) * | 2020-09-22 | 2021-02-12 | 景德镇陶瓷大学 | Bionic spiral reamer of pug mill and vacuum pug mill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477753A (en) * | 2010-11-22 | 2012-05-30 | 中交上海航道局有限公司 | cutter tooth for cutter suction dredger |
| US20130283589A1 (en) * | 2011-05-26 | 2013-10-31 | Lavalley Industries, Llc | Attachment for making up or breaking out pipe |
| CN104196076A (en) * | 2014-09-05 | 2014-12-10 | 河海大学常州校区 | Reamer of cutter suction dredger |
| CN106381897A (en) * | 2015-08-05 | 2017-02-08 | 天津卡斯特机械有限公司 | Novel ripper of excavator |
-
2017
- 2017-03-03 CN CN201710122626.3A patent/CN106677241A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477753A (en) * | 2010-11-22 | 2012-05-30 | 中交上海航道局有限公司 | cutter tooth for cutter suction dredger |
| US20130283589A1 (en) * | 2011-05-26 | 2013-10-31 | Lavalley Industries, Llc | Attachment for making up or breaking out pipe |
| CN104196076A (en) * | 2014-09-05 | 2014-12-10 | 河海大学常州校区 | Reamer of cutter suction dredger |
| CN106381897A (en) * | 2015-08-05 | 2017-02-08 | 天津卡斯特机械有限公司 | Novel ripper of excavator |
Non-Patent Citations (1)
| Title |
|---|
| 郭志军等: "达乌尔黄鼠爪趾几何特征分析", 《河南科技大学学报( 自然科学版)》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905282A (en) * | 2017-11-29 | 2018-04-13 | 中交上海航道局有限公司 | One kind digs cohesive soil reamer |
| CN110424484A (en) * | 2019-07-24 | 2019-11-08 | 河海大学常州校区 | A kind of bionical wedge-shaped dredging reamer tooth |
| CN110424490A (en) * | 2019-07-24 | 2019-11-08 | 河海大学常州校区 | A kind of dredging reamer in imitative lobster chela portion |
| CN112356265A (en) * | 2020-09-22 | 2021-02-12 | 景德镇陶瓷大学 | Bionic spiral reamer of pug mill and vacuum pug mill |
| CN112356265B (en) * | 2020-09-22 | 2022-04-29 | 景德镇陶瓷大学 | Bionic spiral reamer of pug mill and vacuum pug mill |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170517 |