CN105008621B - For removing the bucket wheel of material from the material mixture of particularly high rigidity - Google Patents
For removing the bucket wheel of material from the material mixture of particularly high rigidity Download PDFInfo
- Publication number
- CN105008621B CN105008621B CN201480014007.7A CN201480014007A CN105008621B CN 105008621 B CN105008621 B CN 105008621B CN 201480014007 A CN201480014007 A CN 201480014007A CN 105008621 B CN105008621 B CN 105008621B
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- Prior art keywords
- hopper
- bucket wheel
- cutting knife
- cutting
- circular diameter
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 230000036346 tooth eruption Effects 0.000 claims abstract description 98
- 239000011159 matrix material Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims description 4
- 210000000515 tooth Anatomy 0.000 description 18
- 238000009412 basement excavation Methods 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- -1 chalk Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements
-
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/241—Digging wheels; Digging elements of wheels; Drives for wheels digging wheels
-
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/248—Cleaning the wheels or emptying the digging elements mounted on the wheels, e.g. in combination with spoil removing equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Crushing And Pulverization Processes (AREA)
- Component Parts Of Construction Machinery (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention relates to a kind of bucket wheel (1) for being used to remove material from the material mixture (25) of particularly high rigidity, including the matrix (10) extended around bucket wheel rotary shaft (11), and multiple hoppers (12) with hopper cutting knife (13) are accommodated thereon, the hopper is distributed on the circumference of matrix, wherein being disposed with each hopper cutting knife (13) can be around multiple cutting teeth (14) that bucket wheel rotary shaft (11) moves in respective rail (15,16) by the rotation of matrix (10).According to the present invention, the cutting teeth (14) being contained on adjacent skips cutting knife (13) is arranged at least partly bias relative to each other, so as to which cutting teeth can be in circular orbit (15,16) moved on, its middle orbit (15,16) is biased on the direction of bucket wheel rotary shaft (11).
Description
Technical field
The present invention relates to a kind of bucket wheel for being used to remove material from the material mixture of particularly high rigidity, have around bucket wheel
The matrix of rotary shaft extension, and multiple hoppers are circumferentially distributed with thereon, hopper cutting knife is accommodated thereon, and is wherein existed
The multiple cutting teeths that can be moved by the rotation of matrix around bucket wheel rotary shaft in respective rail are disposed with each hopper cutting knife.
Method the invention further relates to the hopper for bucket wheel and for removing material using the bucket wheel.
Background technology
Bucket wheel is used in particular for bucket wheel excavator, and bucket wheel excavator is normally used for removing and transporting lot of materials
In strip mining transformation.In this context, material by from material mixture release, and material mixture for example can be stratum or
The heap that person is artificially formed.Here hard material has the compression strength more than 5.0MPa, so as to which bucket wheel must be real with ad hoc base
It is existing, to adapt to the relative high rigidity of material mixture.
By the driver of bucket wheel excavator, bucket wheel is operated to be rotated around its bucket wheel rotary shaft, and the material that will be removed
Material is released such as lignite, chalk, lime stone by the bucket wheel of rotation from material mixture, and vertical in hopper
Lifting, to be subsequently passed to be used to be passed up on conveyer belt.The hard material of removal is, for example, hard lignite, bituminous coal, mud
Limestone etc..Bucket wheel has the matrix as load-bearing foundation structure, and it rotates around bucket wheel rotary shaft, and bucket wheel rotary shaft is relative to stratum
Upper overlying strata slope be level of approximation, and bucket wheel carries out horizontal pivot by bucket wheel excavator, to produce approximate struggling against
Propulsion on wheel rotation direction of principal axis.Therefore, bucket wheel excavator has superstructure, and can be by Caterpillar crawler belt list
Rotation in member and perform pivot, it is also possible that by moving bucket wheel excavator by Caterpillar track unit to make bucket
Wheel is relative to strata deformation.
Multiple hoppers with hopper cutting knife are disposed on the matrix of approximate cylinder, and wherein hopper cutting knife has multiple cut
Cut tooth.In this context, each hopper is often allocated a main hopper cutting knife and one or more so-called stocking cutters,
And the material released by cutting teeth from material mixture enters in material bin, and is subsequently passed to the transmission of bucket wheel excavator
Take.
For example, DE102004033934A1 discloses a kind of bucket wheel for being used to remove material from material mixture, and struggle against
Wheel operates together with reference to bucket wheel excavator, for the downward cutting below its supporting surface.Multiple hoppers are disposed in the base of bucket wheel
On body, and hopper has subtriangular or trapezoidal hopper cutting knife, is disposed with multiple cutting teeths thereon.Excavated as bucket wheel
The result laterally pivoted of horn, the side section of hopper cutting knife are always cut in material mixture, so as to depend on bucket wheel excavator
The pivotal orientation of arm, it is referred to as in right side section or the left side section incision material mixture of section (segment).
The quantity for corresponding to the hopper for being attached to bucket wheel in the matrix of bucket wheel is provided with the cell radially extended or annular sky
Between, the material dug out when hopper is elevated can enter in the cell or annular space, so as to avoid hindering mining process.
It is dangerous in order to avoid emptying cell or annular space, especially for the situation of cohesive material, it is undesirable to have on matrix
Especially substantial amounts of cell or annular space.Situation for diameter in 4m to the small bucket wheel between 5m, the quantity of annular space can
It is approximate 10 to 15 to be restricted to, and the situation of the big bucket wheel for a diameter of 15m to 20m, the quantity can be limited
For approximate 20 to 25.
In addition to the triangle shown or trapezoidal hopper cutting knife, it is known that hopper there is U-shaped hopper framework, it is in cell
The left side and right side of space or annular space are attached to matrix using the bolt on matrix and voussoir, wherein each hopper has extremely
The few one hopper back for being used to keep material and the hopper cutting knife for generally having cutting teeth thereon.
The side section of hopper cutting knife has the precipitous attitude angle relative to bucket wheel rotary shaft.The bottom of the attitude angle and side section has
Close, it still plays an active part in mining process.In the design of known bucket wheel, the angle is typically more than 60 °.So as in hopper
Before cut the angle that comparable steepness can be realized between slope and side slope.
Have excavating more than during the relative harder material of 5MPa compression strength, the quantity of hopper cutting knife usually needs height
In the quantity of the quantity or hopper of compartment spaces on bucket wheel or annular space.In this case, it is known that by one without hopper back
On the annular bearing part for the matrix that individual or multiple extra hopper cutting knifes (also referred to as stocking cutter) are attached to bucket wheel.To the dress of tooth
To match somebody with somebody, i.e., the arrangement of cutting teeth and positioning are identicals for all hopper cutting knifes including so-called stocking cutter, so as to
Ensure that identical excavates cross section.
But excavating with more than the digging being had been found that during the relative harder material of 5MPa compression strength on cutting teeth
Digging power load can be very big, so as to must be of a significantly increased the quantity of cutting teeth on hopper cutting knife, to reduce each individual cutting
The excavation cross section of tooth.However, the free space due to arranging cutting teeth on hopper cutting knife, is set on hopper cutting knife especially more
The cutting teeth of quantity is restricted, while hampering the flowing of the material block released from material mixture.In addition, purpose
It is introduce the strong digging force pulse of less individual to the whole system of bucket wheel excavator, multiple diminish is introduced as substituting
Digging force pulse, so as to which caused digging force is substantially homogeneity.
Furthermore it has become apparent that particularly when excavating many valuable minerals such as coal, chalk, lime stone, it is desirable to have most
The relatively high crushing rank of chunk sizes limitation.The definition mining cross section of each individual cutting teeth needs on hopper cutting knife two
Sufficiently large distance between adjacent cutting teeth.In addition when breakthrough hard obturator such as sparring ore bed, clay ironstone stone or cobble and ovum
During stone tuberculosis, the relatively large distance on bucket wheel circumference between adjacent cutting teeth is favourable.However, the size of bucket wheel must also protect
Hold limited, and bucket wheel can not be rotated in bucket wheel and be extended on direction of principal axis with arbitrarily desired degree, to ensure with a large amount of
Enough distances during cutting teeth between cutting teeth.
The content of the invention
The purpose of the present invention is a kind of bucket wheel for being used to remove relative hard material of design, and it has increased number of cutting
Tooth, each cutting teeth can distribute defined excavation cross section.Especially, the size of the material block removed here is still under
Limitation.
The purpose is to be used to remove the bucket wheel of material, based on of the present invention from material mixture based on of the present invention
Realized for the hopper of the bucket wheel and based on method of the present invention.The preferred embodiment of the present invention is in subordinate
Limited in claim.
The present invention includes following technical teaching, that is, the cutting teeth being contained on hopper cutting knife adjacent to each other is arranged to phase
For at least partly biasing each other, so as to which the hopper cutting knife can move in orbit, the track rotates direction of principal axis in bucket wheel
On biased.
As the result in hopper cutting knife upper offset arrangement cutting teeth disposed adjacent one another, it is ensured that in bucket wheel circumference side
The hopper cutting knife that follows each other assembles with teeth by different way upwards, so as to which the cutting teeth quantity that is arranged on hopper cutting knife can be with
Reduce, and the quantity for the hopper cutting knife that may be arranged on whole bucket wheel can keep identical or even increase.The present invention also wraps here
Following possibility are included, i.e., if the geometry of hopper cutting knife allows, two rows can be accommodated on only one hopper cutting knife
Or more row cutting teeth, such as the corresponding lengthening by hopper cutting knife in a rotational direction.So as to which cutting teeth can also rotate
The mode of the multirow tooth followed each other on direction is accommodated on hopper cutting knife.
Biasing between cutting teeth can realize that the cutting teeth filling that is, on follow-up hopper cutting knife is first in this way
The backlash formed between two cutting teeths on hopper cutting knife.As the result biased between cutting teeth, the cutting teeth of formation
Track bucket wheel rotary shaft direction upper offset, wherein two cutting teeths that can be moved on common rail are not disposed in
On the hopper cutting knife followed each other along bucket wheel circumferencial direction.The cutting teeth that can be moved on common rail is accommodated in following here
On hopper cutting knife, i.e., at least another hopper with the tooth assembled by different way between the hopper cutting knife be present and cut
Knife.
It is particularly preferred that, at least 2,3,4 or more hoppers with the cutting teeth of offset placement relative to each other are cut
Knife is distributed and accommodated along the circumferencial direction of matrix in a manner of periodic sequence, so as to each cutting teeth on adjacent skips cutting knife
It is allocated and individually excavates cross section.Here the cutting teeth quantity for each hopper being accommodated on hopper cutting knife can divide exactly tool
There is the quantity of the hopper cutting knife of different tooth assemblings.If such as provide two hopper cutting knifes, each hopper cutting knife have in base
The cutting teeth of the first order of periodicity sequential manner and second order on body circumferencial direction, then the hopper cutting knife permission is each
The requirement of cutting teeth halves on hopper cutting knife.Provided that there is three hopper cutting knifes, three hopper cutting knifes have along matrix
Circumferencial direction periodic sequence mode distinguishes the cutting teeth of offset placement, then the requirement of each hopper cutting knife cutting teeth can be with
It is limited to 1/3rd.In this context, each cutting teeth can be allocated identical and excavate cross section.Each hopper cutting knife
Tooth arrangement and hopper cutting knife with different cycles arrangement sequence be here it is approximate in this way determine, i.e., often
Individual cutting teeth must cut and individually excavate cross section, and the excavation cross section of the cutting teeth on hopper cutting knife is here
Will not be overlapping.
According to a preferred embodiment of the bucket wheel based on the present invention, hopper cutting knife is implemented as arc, and has
The hopper cutting knife width extended and the hopper cutting knife depth extended in radial directions, wherein hopper on bucket wheel rotation direction of principal axis
The value of the ratio between cutting knife depth and hopper cutting knife width is 0.1 to 0.7, preferably 0.15 to 0.5, particularly preferably 0.2 to 0.4.
Only because the relatively flat of the hopper cutting knife with big width and small excavating depth designs, that is, form the relatively flat of hopper
Design, it is achieved thereby that the appropriate separation of the cross-sectional profiles of adjacent cutting teeth.Defined hopper cutting knife depth and hopper cutting knife
Ratio between width forms the character numerical value for hopper flat design here, and wherein hopper cutting knife depth refers to maximum
Hopper excavating depth, wherein being interpreted as the maximum radial being arranged between all cutting teeths on bucket wheel or on all hopper cutting knifes
Distance.Hopper width refers to the ultimate range between the cutting teeth of outside on bucket wheel rotation direction of principal axis.
Hopper cutting knife has the side section towards hopper central extension, and the innovative design of hopper is presented as side section extension side
To the attitude angle between bucket wheel rotary shaft.For example, side section bearing of trend and the attitude angle that bucket wheel rotary shaft is in less than 60 °, excellent
Choosing is less than 55 °, and particularly preferably less than 50 °.If hopper cutting knife is implemented as arc, the bearing of trend of side section can be by
The tangent line or secant that the cutting teeth being arranged in the section of hopper cutting knife side is oriented to are formed.
In addition, the innovative design of blade can also be embodied as the ratio between the cutting circular diameter of bucket wheel and hopper cutting knife width.
The ratio of circular diameter and hopper width is cut, can be with being less than for the situation of the bucket wheel with the cutting circular diameter less than 7m
4 value, preferably smaller than 3.5, particularly preferably less than 3, can have for the situation of the bucket wheel of the cutting circular diameter with 7m to 13m
There are the value less than 5, preferably smaller than 4.5, particularly preferably less than 4, for the feelings of the bucket wheel of the cutting circular diameter with 13m to 18m
Shape can have the value less than 6, preferably smaller than 5.5, particularly preferably less than 5, and for the cutting circular diameter more than 18m
Bucket wheel situation can have less than 7 value, preferably smaller than 6.5, particularly preferably less than 6.As relative to cutting circular diameter
Bucket wheel multiple embodiments result, form milling bucket wheel, its allow relative to slope edge truncation angle.Cutting teeth
The full-size of cross-sectional profiles substantially determines the particle diameter distribution for having released material here, and can combine and remove material
The crack numerical value of material is used to assess the frequency of over dimensioning material and has removed the fluid ability of material.
, can be with addition, by favorably setting uniform gap between the individual hopper cutting knife being arranged on bucket wheel circumference
Reduce the ratio for conveying over dimensioning material in material.It can be spaced in a rotational direction by hopper cutting knife approximate corresponding
In the distance for excavating two times of cross section major dimension, particularly advantageous improvement embodiment can be obtained.This generates function of shielding, meaning
Taste, which, to be conveyed into the maximum particle size for having removed material of hopper shell and is restricted, and the frequency of over dimensioning material can be by
To limitation.
According to a preferred embodiment of the bucket wheel based on the present invention, hopper has hopper framework, accommodates hopper thereon
Cutting knife and hopper shell is especially accommodated, and wherein hopper is arranged detachably on matrix.In order to safeguard
Quick-replaceable big measuring bin cutting knife during bucket wheel, it is appropriate that hopper, which is removably disposed on matrix,.
It is also advantageous that the hopper framework of hopper can have H-shaped structure, the extension of two of which longitudinal beam less parallel
And transverse beam extends between longitudinal beam, hopper cutting knife be accommodated on longitudinal beam and with approximate arcuate shape at them it
Between extend.The matrix of bucket wheel can have two annular bearing parts, and it extends as rotary body around bucket wheel rotary shaft, wherein laterally
Pillar is extended with periodic intervals relative to each other between annular bearing part.In this context, dug during lifting hopper
The enterable annular space of material of pick is between annular bearing part and lateral struts.Transverse beam is here preferably in its opening position
Corresponding to lateral struts, to avoid unnecessarily reducing the annular space below hopper cutting knife.Hopper cutting knife is received here
On longitudinal beam, and extended between two longitudinal beams with the shape of approximate arc.Hopper framework is here by removably cloth
Put on matrix, so as to which if will be from if bucket wheel removes hopper, the expense relevant with assembly and disassembly be minimized.
Hopper can have at least two preferably three particularly preferably four or more hopper cutting knifes, wherein hoppers to cut
One of knife forms main hopper cutting knife, is disposed with hopper shell thereon.Other hopper cutting knifes form so-called stocking cutter here, wherein
The first hopper cutting knife on each hopper needs not be main hopper cutting knife, and stocking cutter can be before main hopper cutting knife, major ingredient
Bucket cutting knife is further disposed in forward on the second hopper on the direction of rotation of bucket wheel, and wherein stocking cutter is disposed in along rotation
Direction is located on first hopper in front.Can be adjacent to main hopper cutting knife arrangement hopper shell, without in hopper shell and major ingredient
Retentivity connection be present between bucket cutting knife.Especially, hopper shell is preferably removably disposed on hopper framework.
At least one hopper shell of each hopper is preferably configured in the horizontal stroke of next hopper cutting knife and hopper in the following manner
Into the region between connection, i.e., generating material does not extrude in the interior zone of hopper, and stone will not be stuck in the hopper back of the body
Between portion and follow-up hopper cutting knife.Therefore, short hopper back, with regard to enough, the hopper back is realized along hopper lateral connection
Small chamber region or annular space region and hopper cutting knife between seamlessly transit.
It is used to remove the material used in the bucket wheel of material from the material mixture of particularly high rigidity the invention further relates to a kind of
Bucket, the hopper be may be arranged on the matrix of bucket wheel rotary shaft extension, and wherein hopper cutting knife is contained on hopper, and wherein logical
Multiple cutting teeths that crossing rotary substrate can move around bucket wheel rotary shaft in respective rail are disposed on each hopper cutting knife, its
In the cutting teeth that is contained on hopper cutting knife adjacent to each other be arranged at least partly bias relative to each other, so as to the material
Bucket cutting knife can be moved in orbit, and the track is biased on the direction of bucket wheel rotary shaft.The feature described with reference to bucket wheel
The innovative hopper used in the bucket wheel is also applied for associated advantages.
Especially material is removed the invention further relates to a kind of from the material mixture of particularly high rigidity using hopper cutting knife
Method, including at least one hopper of cutting teeth is accommodated thereon, wherein by mobile hopper, cutting teeth can be at least two tracks
Upper movement.In this context, the cutting teeth of first order is moved through material mixture on corresponding first track, and
Wherein by the movement of hopper, the cutting teeth of second order on corresponding second track subsequent movement by material mixture,
Wherein the second track relative to the first track bucket wheel rotary shaft direction upper offset.Especially, it can utilize and be arranged in bucket wheel
On hopper realize this method, and the movement of hopper is produced around the rotation of its bucket wheel rotary shaft by bucket wheel.It is upper and lower at this
Wen Zhong, bucket wheel can be realized as described above.
Brief description of the drawings
Hereafter describe improvement in more detail by the explanation to preferred illustrative embodiment of the present invention and with reference to accompanying drawing
Other measures of the present invention.In accompanying drawing：
Fig. 1 shows the stereogram of the hopper with four hopper cutting knifes；
Fig. 2 shows the detail plan view of the bucket wheel according to the present invention；
Fig. 3 shows the stereogram of one section of bucket wheel according to the present invention；
Fig. 4 shows the cross-sectional view of bucket wheel；
Fig. 5 shows the side view of one section of bucket wheel；
Fig. 6 shows the diagram of the hopper framework for the hopper realized according to the present invention, is disposed with hopper framework multiple
Hopper cutting knife；
Fig. 7 a show the simplified schematic view of the tooth engagement for the hopper for having cutting teeth according to prior art；
Fig. 7 b show the simplified schematic view of the tooth engagement of the hopper with the cutting teeth being arranged on adjacent skips cutting knife；
Fig. 8 shows the brief signal of the excavation cross section with three continuous hopper cutting knifes with different tooth assembly methods
Figure；And
Fig. 9 shows the brief signal of the excavation cross section with four continuous hopper cutting knifes with different tooth assembly methods
Figure.
Embodiment
Fig. 1 shows the stereogram of hopper 12, and hopper 12 can be disposed on the matrix 10 of bucket wheel 1, such as Fig. 3 stereogram
Shown in as.Hopper 12 has hopper framework 21, is for example disposed with four hopper cutting knifes 13 thereon.Hopper cutting knife 13 is with arc
Shape extends laterally across hopper framework 21, and cutting teeth 14 is disposed on hopper cutting knife 13.
Two in the hopper cutting knife 13 shown are equipped with cutting teeth 14, and adjacent material in an identical manner for each
Struggle against each different arrangements with cutting teeth 14 of cutting knife 13.According to the present invention, in this context, hopper cutting knife adjacent to each other
The cutting teeth 14 accommodated on 13 is arranged at least offset with respect to each, so as to if bucket wheel 1 around its bucket wheel rotary shaft 11 rotate if,
Then the latter can be moved on track 15 and 16, and its middle orbit 15 and 16 is biased on the direction of bucket wheel rotary shaft.It is for example, every
Two the first tracks 15 that the individual line by between the cutting teeth 14 not being arranged on adjacent skips cutting knife 13 is formed and two
Second track 16 is shown for multiple cutting teeths 14.Due to biasing, therefore cloth between the track 15 and 16 of cutting teeth 14 be present
Put the corresponding backlash 26 that the cutting teeth 14 on follow-up hopper cutting knife 13 passes through first hopper cutting knife 13.As the example effect
Shown with cutting teeth 14 ' and 14 ", and the backlash 26 shown is located together and is contained in cutting on first hopper cutting knife 13
Between cutting tooth 14 ', and backlash 26 is then passed through by the cutting teeth 14 " on follow-up hopper cutting knife 13.
Fig. 2 shows a series of detail plan view of the bucket wheel 1 with multiple hopper cutting knifes 13, and it shows along direction of rotation R
Go out.Diagram show hopper cutting knife 13 arc configuration, on the outside of it on cutting teeth 14 is installed.The arc of hopper cutting knife 13
It is by being determined together towards two side sections 19 that hopper central 18 extends.Side section 19 has forms posture with bucket wheel rotary shaft 11
Angle α bearing of trend, attitude angle α are not projected diagram and scaled relative to.Bearing of trend is, for example, by the region of side section 19
In be contained in what line between the cutting teeth 14 on hopper cutting knife 13 was formed.Bucket wheel rotary shaft 11 and side section 19 extend projection side
Angle between is characterized by α, and with such as 50 ° of value.Become apparent from here with reference to Fig. 4, hopper cutting knife is deep
Ratio between degree t and hopper cutting knife width b has low value, because the arc basic configuration of hopper cutting knife 13 and U-shaped hopper 12
It is more flat compared to being done.Ratio between hopper cutting knife depth t and hopper cutting knife width b for example it is only for 0.2 to
0.4。
In addition the company in the detail plan view of shown bucket wheel 1 it will be apparent that on the direction of bucket wheel rotary shaft 11
The position of cutting teeth 14 is arranged to bias relative to each other in the direction of rotation R on continuous hopper cutting knife 13.In general, show
Two kinds of different tooth assembly methods, and such as cutting teeth 14 is located at hopper central 18 on each second hopper cutting knife 13
On, and on each second hopper cutting knife 13, cutting teeth 14 is accommodated in a manner of relative to the lateral offset of hopper central 18.
Fig. 3 shows approximately half bucket wheel 1, and apparent big measuring bin cutting knife 13 is accommodated in the matrix of bucket wheel 1
On 10.In this context, multiple hopper cutting knifes 13 are accommodated on corresponding hopper framework 21, and adjacent hopper cutting knife
13 each have the cutting teeth 14 with different rigging positions.
The matrix 10 of bucket wheel 1 has two annular bearing parts 27, two annular bearing parts 27 parallel to extending each other, and
Transverse beam 28 is extended therebetween with uniform intervals.Hopper shell 24 is located in the annular space being thusly-formed, by the material of its deposition
Material is transported to the inner side of bucket wheel 1, to eventually arrive at the conveyer belt of bucket wheel excavator.
Fig. 4 shows the cross sectional view of the bucket wheel 1 with matrix 10, and hopper cutting knife 13 is disposed with its circumference, and
And hopper shell 24 is shown as internally.
Hopper cutting knife 13 has hopper cutting knife width b, and it is substantially to be accommodated in hopper cutting knife by outside cutting teeth 14
Possessed Breadth Maximum determines on 13.In addition, hopper cutting knife 13 has hopper cutting knife depth t, it is by hopper cutting knife 13
On most inner side and outermost cutting teeth 14 between radial distance determined by.Bucket wheel 1 extends around bucket wheel rotary shaft 11, and
And with cutting circular diameter 20, cutting circular diameter 20 is defined by the maximum gauge of bucket wheel 1.
In fig. 5 it is shown that the side view of one section of bucket wheel 1, wherein it will be apparent that corresponding hopper 12 is for example with four
Hopper cutting knife 13.Hopper 12 has hopper framework 21, accommodates the hopper cutting knife 13 with cutting teeth 14 thereon.The profit of hopper framework 21
It is connected with 29 to be disposed on annular bearing part 27, and each hopper 12 has in the direction of rotation R in four hoppers
Hopper shell 24 after cutting knife 13.One hopper cutting knife 13 forms main hopper cutting knife 13 and is connected to hopper shell 24 here.
Fig. 6 shows the bottom surface diagram of hopper 12, and it will be seen that hopper framework 21, four hopper cutting knifes 13 hold
It is contained on the hopper framework 21.Hopper framework 21 has two longitudinal beams 22, and two longitudinal beams 22 extend substantially parallel to each other,
And transverse beam 23 extends between two longitudinal beams 22, so as to which hopper framework 21 substantially has H shape.Hopper cutting knife 13 this
In extended between two longitudinal beams 22 with the shape of approximate arc.
Fig. 7 a show the simplified schematic view of the tooth engagement for the multiple cutting teeths 14 being arranged according to prior art on hopper 12,
Being arranged in every kind of situation for the cutting teeth 14 of multiple hoppers 12 is identical relative to each other wherein on bucket wheel.Here each cut
Cut tooth 14 and distributed excavation cross section 17 is discharged from material mixture 25, be arranged in a row adjacent to each other wherein excavating cross section 17
And there is approximately the same height.Here the abutting material mixture 25 in shown bucket wheel rotary shaft 11 of hopper 12 laterally moves
It is dynamic, as shown in direction arrow.So as to the cutting teeth 14 and material mixture 25 being only arranged in the side section 19 of hopper 12
It is meshed.For example, eight cutting teeths 14 of each hopper 12 are arranged to be mutually of identical height in side section 19.
Fig. 7 b show the hopper 12 with two hopper cutting knifes 13, so as to be distributed according to Fig. 7 a eight cutting teeths 14
On two hopper cutting knifes 13.And then each hopper cutting knife 13 only has four cutting teeths 14 now, compared with Fig. 7 a arrangement,
Four cutting teeths 14 are disposed on hopper cutting knife 13 with being spaced distance bigger respectively.Cut in two exemplary hoppers
Cutting teeth 14 on knife 13 is arranged to bias relative to each other, be thus received in cutting teeth 14 on common hopper cutting knife 13 from
Material mixture 25 removes excavation cross section 17 not adjacent to each other.The engagement of cutting teeth 14 produces on follow-up hopper cutting knife 13
Positioned at the extra excavation cross section 17 to be removed excavated between cross section 17 initially removed, so as to which each cutting teeth 14 is divided
With the defined excavation cross section 17 with corresponding size, wherein realizing the limitation to maximum lump size.Especially, it is ensured that
The cutting force being applied on cutting teeth 14 will not become too big, and cutting teeth 14 can have enough distances each other.
Fig. 8 and 9 is shown as example can be from the excavation cross section 17 that material mixture 25 removes, provided that there is difference
If three (Fig. 8) or four (figure) hopper cutting knifes 13 with the assembling of different cutting teeths.
The present invention is not limited to above-described preferred illustrative embodiment in terms of its implementation.Rather, it is contemplated that
Utilize a variety of variants of shown scheme, the embodiment for the type that is even different in essence.From claim, specification or accompanying drawing
The feature and/or advantage of gained, including in CONSTRUCTED SPECIFICATION or space be arranged in, itself or for its multiple combinations to this hair
Bright is substantial.
Reference number：
1 bucket wheel；10 matrixes；11 bucket wheel rotary shafts；12 hoppers；13 hopper cutting knifes, main hopper cutting knife；14 cutting teeths；14 ' cut
Cut tooth；14 " cutting teeths；15 first tracks；16 second tracks；17 excavate cross section；18 hopper centrals；19 side sections；20 cutting circles
Diameter；21 hopper frameworks；22 longitudinal beams；23 transverse beams；24 hopper shells；25 material mixtures；26 backlashes；27 annular carryings
Part；28 transverse beams；29 bolt connections；B hopper cutting knife width；T hopper cutting knife depth；α attitude angles；R direction of rotation.
Claims (25)
1. a kind of bucket wheel (1) for being used to remove material from the material mixture (25) of high rigidity, including around bucket wheel rotary shaft (11)
The matrix (10) of extension, and multiple hoppers (12) are circumferentially distributed with thereon, hopper cutting knife (13) is accommodated thereon, and
Wherein being disposed with each hopper cutting knife (13) can be around bucket wheel rotary shaft (11) in respective rail by the rotation of matrix (10)
The multiple cutting teeths (14) moved on (15,16), it is characterised in that
The cutting teeth (14) being contained on hopper cutting knife (13) adjacent to each other is arranged at least partly bias relative to each other,
So as to which the hopper cutting knife (13) can move on track (15,16), its middle orbit (15,16) is in the side of bucket wheel rotary shaft (11)
Biased upwards；And
Hopper (12) has at least two hopper cutting knifes (13), and wherein one of hopper cutting knife (13) forms is disposed with hopper thereon
The main hopper cutting knife (13) of shell (24),
Wherein hopper cutting knife (13) is implemented as arc, and with the hopper cutting knife just upwardly extended in bucket wheel rotary shaft (11)
Width b and hopper the cutting knife depth t, wherein hopper cutting knife depth t and hopper cutting knife width b ratio extended in radial directions
Rate has 0.1 to 0.7 value.
2. bucket wheel (1) according to claim 1, it is characterised in that at least 2,3,4 or more with inclined relative to each other
Put the hopper cutting knife (13) of the cutting teeth (14) of arrangement in a manner of periodic sequence on the circumferencial direction of matrix (10) distribution and
Accommodate, individually cross section (17) are excavated so as to which each cutting teeth (14) on hopper cutting knife (13) adjacent to each other is allocated.
3. bucket wheel (1) according to claim 1, it is characterised in that hopper cutting knife depth t and hopper cutting knife width b ratio
Rate has 0.15 to 0.5 value.
4. bucket wheel (1) according to claim 3, it is characterised in that hopper cutting knife depth t and hopper cutting knife width b ratio
Rate has 0.2 to 0.4 value.
5. bucket wheel (1) according to claim 1 or 2, it is characterised in that hopper cutting knife (13) has towards hopper central
(18) the side section (19) of extension, the wherein bearing of trend of side section (19) make up less than 60 ° of attitude angle with bucket wheel rotary shaft (11)
α。
6. bucket wheel (1) according to claim 5, it is characterised in that attitude angle α is less than 55 °.
7. bucket wheel (1) according to claim 6, it is characterised in that attitude angle α is less than 50 °.
8. bucket wheel (1) according to claim 1 or 2, it is characterised in that bucket wheel (1) has cutting circular diameter (20), wherein
Cut the ratio of circular diameter (20) and hopper cutting knife width b：
For the situation of the bucket wheel (1) with the cutting circular diameter (20) less than 7m, there is the value less than 4,
For the situation of the bucket wheel (1) of the cutting circular diameter (20) with 7m to 13m, there is the value less than 5,
For the situation of the bucket wheel (1) of the cutting circular diameter (20) with 13m to 18m, there is the value less than 6, and
For the situation of the bucket wheel (1) with the cutting circular diameter (20) more than 18m, there is the value less than 7.
9. bucket wheel (1) according to claim 8, it is characterised in that the ratio of cutting circular diameter (20) and hopper cutting knife width b
Rate has the value less than 3.5 for the situation of the bucket wheel (1) with the cutting circular diameter (20) less than 7m.
10. bucket wheel (1) according to claim 9, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 3 for the situation of the bucket wheel (1) with the cutting circular diameter (20) less than 7m.
11. bucket wheel (1) according to claim 8, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 4.5 for the situation of the bucket wheel (1) of the cutting circular diameter (20) with 7m to 13m.
12. bucket wheel (1) according to claim 11, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 4 for the situation of the bucket wheel (1) of the cutting circular diameter (20) with 7m to 13m.
13. bucket wheel (1) according to claim 8, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 5.5 for the situation of the bucket wheel (1) of the cutting circular diameter (20) with 13m to 18m.
14. bucket wheel (1) according to claim 13, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 5 for the situation of the bucket wheel (1) of the cutting circular diameter (20) with 13m to 18m.
15. bucket wheel (1) according to claim 8, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 6.5 for the situation of the bucket wheel (1) with the cutting circular diameter (20) more than 18m.
16. bucket wheel (1) according to claim 15, it is characterised in that cutting circular diameter (20) is with hopper cutting knife width b's
Ratio has the value less than 6 for the situation of the bucket wheel (1) with the cutting circular diameter (20) more than 18m.
17. bucket wheel (1) according to claim 1 or 2, it is characterised in that hopper (12) has hopper framework (21), thereon
Hopper cutting knife (13) is accommodated, and wherein hopper (12) is arranged detachably on matrix (10).
18. bucket wheel (1) according to claim 17, it is characterised in that hopper framework (21) has H-shaped structure, H-shaped structure
Two longitudinal beams (22) extended with less parallel and the transverse beam (23) extended between longitudinal beam (22), hopper cutting knife
(13) it is accommodated on longitudinal beam (22) and is extended between them with approximate arcuate shape.
19. bucket wheel (1) according to claim 1, it is characterised in that hopper (12) has three hopper cutting knifes (13).
20. bucket wheel (1) according to claim 1, it is characterised in that hopper (12) has four or more hopper cutting knifes
(13)。
21. bucket wheel (1) according to claim 1 or 2, it is characterised in that hopper cutting knife (13) is in the direction of rotation R each other
Interval corresponds to the distance for excavating two times of cross section (17) major dimension, so as to which the distance between hopper cutting knife (13) forms shielding work(
Energy.
22. the hopper (12) used in a kind of bucket wheel (1) being used for from material mixture (25) the removal material of high rigidity, the hopper
(12) may be arranged on the matrix (10) of bucket wheel rotary shaft (11) extension, wherein hopper cutting knife (13) is accommodated in hopper (12)
On, and can wherein be moved by the rotation of matrix (10) around bucket wheel rotary shaft (11) in respective rail (15,16) multiple
Cutting teeth (14) is disposed on each hopper cutting knife (13), it is characterised in that
The cutting teeth (14) being contained on hopper cutting knife (13) adjacent to each other is arranged at least partly bias relative to each other,
So as to which the hopper cutting knife (13) can move on track (15,16), the track (15,16) is in the side of bucket wheel rotary shaft (11)
Biased upwards；And
Hopper (12) has at least two hopper cutting knifes (13), and wherein one of hopper cutting knife (13) forms is disposed with hopper thereon
The main hopper cutting knife (13) of shell (24),
Wherein hopper cutting knife (13) is implemented as arc, and with the hopper cutting knife just upwardly extended in bucket wheel rotary shaft (11)
Width b and hopper the cutting knife depth t, wherein hopper cutting knife depth t and hopper cutting knife width b ratio extended in radial directions
Rate has 0.1 to 0.7 value.
23. the hopper (12) used in bucket wheel (1) according to claim 22, it is characterised in that it is used for right such as will
Seek the bucket wheel (1) in 2 to 8 described in any claim.
24. one kind removes the method for material using hopper cutting knife (13) from the material mixture (25) of high rigidity, including holds thereon
Receive at least one hopper (12) of cutting teeth (14), the hopper (12) has at least two hopper cutting knifes (13), wherein hopper
One of cutting knife (13) forms the main hopper cutting knife (13) for being disposed with hopper shell (24) thereon；Wherein by moving hopper (12),
Cutting teeth (14) can move at least two tracks (15,16), it is characterised in that
The cutting teeth (14) of first order is moved through material mixture (25) on corresponding first track (15), and wherein
By the movement of hopper (12), then
The cutting teeth (14) of second order is moved through material mixture (25) on corresponding second track (16), wherein second
Track (16) is biased relative to the first track (15) on the direction of bucket wheel rotary shaft (11),
Wherein hopper cutting knife (13) is implemented as arc, and with the hopper cutting knife just upwardly extended in bucket wheel rotary shaft (11)
Width b and hopper the cutting knife depth t, wherein hopper cutting knife depth t and hopper cutting knife width b ratio extended in radial directions
Rate has 0.1 to 0.7 value.
25. the method according to claim 24 for removing material, has been used such as any claim in claim 1 to 8
Described bucket wheel (1).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013102407.6 | 2013-03-11 | ||
| DE102013102407.6A DE102013102407B4 (en) | 2013-03-11 | 2013-03-11 | Paddle wheel for breaking down materials from a material bond of high hardness |
| PCT/EP2014/054547 WO2014139927A2 (en) | 2013-03-11 | 2014-03-10 | Bucket wheel for removing materials from a material composite, particularly of high hardness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105008621A CN105008621A (en) | 2015-10-28 |
| CN105008621B true CN105008621B (en) | 2017-11-14 |
Family
ID=50349578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480014007.7A Active CN105008621B (en) | 2013-03-11 | 2014-03-10 | For removing the bucket wheel of material from the material mixture of particularly high rigidity |
Country Status (9)
| Country | Link |
|---|---|
| CN (1) | CN105008621B (en) |
| AU (1) | AU2014230973B2 (en) |
| CA (1) | CA2904147C (en) |
| CL (1) | CL2015002554A1 (en) |
| DE (1) | DE102013102407B4 (en) |
| EA (1) | EA030626B1 (en) |
| MA (1) | MA38471B1 (en) |
| PE (1) | PE20151823A1 (en) |
| WO (1) | WO2014139927A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439055B (en) * | 2019-07-19 | 2024-03-08 | 中国水电基础局有限公司 | Excavator bucket |
| DE102019214626A1 (en) * | 2019-09-25 | 2020-09-24 | Thyssenkrupp Ag | Device and method for optimizing mining processes, as well as use and computer program product |
| RU207932U1 (en) * | 2021-08-21 | 2021-11-24 | Закрытое акционерное общество «Дробмаш» | ROTARY EXCAVATOR WHEEL |
| CN116180832B (en) * | 2023-04-19 | 2023-07-21 | 中铁城建集团第一工程有限公司 | Milling hole wall machine head of milling and digging machine |
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| CN102146686A (en) * | 2011-01-31 | 2011-08-10 | 大连重工通用设备有限责任公司 | Bucket wheel excavator |
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- 2014-03-10 WO PCT/EP2014/054547 patent/WO2014139927A2/en active Application Filing
- 2014-03-10 EA EA201591528A patent/EA030626B1/en not_active IP Right Cessation
- 2014-03-10 CN CN201480014007.7A patent/CN105008621B/en active Active
- 2014-03-10 CA CA2904147A patent/CA2904147C/en active Active
- 2014-03-10 AU AU2014230973A patent/AU2014230973B2/en active Active
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- 2015-10-09 MA MA38471A patent/MA38471B1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| MA38471A1 (en) | 2016-04-29 |
| DE102013102407A1 (en) | 2014-09-25 |
| CL2015002554A1 (en) | 2016-06-17 |
| DE102013102407B4 (en) | 2021-12-30 |
| PE20151823A1 (en) | 2016-01-10 |
| MA38471B1 (en) | 2016-11-30 |
| WO2014139927A2 (en) | 2014-09-18 |
| WO2014139927A3 (en) | 2014-11-20 |
| AU2014230973B2 (en) | 2018-07-26 |
| AU2014230973A1 (en) | 2015-09-17 |
| EA030626B1 (en) | 2018-09-28 |
| CA2904147C (en) | 2020-03-31 |
| EA201591528A1 (en) | 2016-03-31 |
| CN105008621A (en) | 2015-10-28 |
| CA2904147A1 (en) | 2014-09-18 |
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