CN106149536B - milling wheel and milling machine - Google Patents
milling wheel and milling machine Download PDFInfo
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- CN106149536B CN106149536B CN201510334724.4A CN201510334724A CN106149536B CN 106149536 B CN106149536 B CN 106149536B CN 201510334724 A CN201510334724 A CN 201510334724A CN 106149536 B CN106149536 B CN 106149536B
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Abstract
The invention discloses a kind of milling wheel and milling machine.Milling wheel includes milling and planing drum and the multiple milling cutters being arranged on milling and planing drum, milling and planing drum includes main milling cutter region and is located at two sides knife region at the axial two ends in main milling cutter region respectively, multiple milling cutters include being arranged in the main milling cutter group in main milling cutter region and are arranged in two knife groups in two of knife region correspondingly, main milling cutter group is included in the multiple main milling cutter arranged on a plurality of main milling cutter transversal, each while knife group be included on multiple summits knife transversal arrange it is multiple while knife, wherein, the transversal of each adjacent main milling cutter transversal away from the transversal more than each adjacent side knife transversal away from.The milling cutter arrangement of the milling wheel optimize, and side knife forms preferably protection each other than the arrangement more crypto set of main milling cutter between each side knife, can better adapt to that side knife condition of work is severe and larger environment loaded, the abrasion of reduction side knife.
Description
Technical field
The present invention relates to ground maintenance maintenance construction mechanical field, more particularly to a kind of milling wheel and milling machine.
Background technology
Milling machine is one of capital equipment of Asphalt Concrete Pavement Maintenance construction.It is mainly used in highway, town road, machine
The excavation renovation of the asphalt concrete pavements such as field, goods yard, it is also possible to which to gather around bag, oily wave, reticulate pattern, rut etc. scarce for removing road surface
Fall into, may further be used to excavated pavement pit and groove, and the milling of the plucking and surface layer faulting of slab ends of cement pavement is put down.
Milling wheel is the main working parts of milling machine, and at milling road surface, each cutter tooth of the milling cutter of milling machine is cut successively
Enter road surface, because road surface hardness is very big so that this discontinuous cutting produces very big impulsive force, causes shaking for milling machine
It is dynamic, increase the consumption of milling cutter, influence reliability, milling efficiency and the milling quality of milling wheel.Thus structure, the milling cutter of milling wheel
Cutter tooth arrangement it is whether reasonable, directly affect productivity ratio, energy consumption and the service life of milling machine.The especially side knife of milling wheel
Condition of work is severe and stand under load is larger, and the cutter tooth abrasion of side knife is larger.
Fig. 1 is the structural representation of the first milling wheel in the prior art, illustrated therein is notification number and is
A kind of milling wheel disclosed in the Chinese patent of CN202610692U, utility model entitled " a kind of milling rotor ".
As shown in figure 1, the milling wheel 100 ' includes rotor cylinder 104 ', it is provided with rotor cylinder 104 ' for by milling
During the knockout plate 101 ' dished out of waste material that produces, two or more tool rest cushion blocks are also equipped with rotor cylinder 104 '
105 ', it is welded with tool rest cushion block 105 ' in tool rest 103 ', tool rest 103 ' and the cutter head 102 ' of bullet shape, its tool rest is installed
103 ' arrange along helix.
Fig. 2 is second structural representation of milling wheel in the prior art, illustrated therein is Publication No.
CN102518032A, a kind of milling disclosed in entitled " what is used on pavement milling machine can be with the milling rotor of rapid changing knife "
Plane wheel.
As shown in Fig. 2 the milling wheel 200 ' includes roller 201 ', pedestal 202 ', broach shell 203 ' and cutter head 204 ', cutter head
204 ' on broach shell 203 ', and on pedestal 202 ', pedestal 202 ' is divided into two groups, two groups of cloth of pedestal 202 ' to broach shell 203 '
Office arranges that the bottom of pedestal 202 ' is the rectangular pyramid that upper end is big, lower end is small, four into symmetrical, oppositely oriented helix
The left and right sides of pyramid are fabricated to helicoid 210 ', and many left and right sides of adjacent pedestal 202 ' mutually press close to be formed
Two groups of oppositely oriented auger type spiral blade face chains.
In the milling wheel of both the above prior art, the milling cutter arrangement of milling wheel simply be simply evenly arranged,
The actual condition of milling wheel is not taken into full account.Therefore, its side knife because condition of work is severe serious wear.In addition, side knife
The consumption of tool rest and cutter tooth is also very big, influences production efficiency and economy.
The content of the invention
It is an object of the invention to provide a kind of milling wheel and milling machine, the milling cutter arrangement of the milling wheel is optimized,
The abrasion of the side knife of milling wheel can be reduced.
First aspect present invention provides a kind of milling wheel, including milling and planing drum and the multiple millings being arranged on the milling and planing drum
Knife, the milling and planing drum is located at two sides knife region at the axial two ends in the main milling cutter region including main milling cutter region and respectively,
The multiple milling cutter includes being arranged in the main milling cutter group in the main milling cutter region and is arranged in described two side knives correspondingly
Two side knife groups in region, the main milling cutter group is included in the multiple main milling cutter arranged on a plurality of main milling cutter transversal, described in each
While knife group be included in arranged on multiple summits knife transversal it is multiple while knife, wherein, the transversal of each adjacent main milling cutter transversal is away from being more than
The transversal of each adjacent side knife transversal away from.
Further, in two side knife groups, a multiple summits knife transversal in knife group and another while knife group it is many
Bar side knife transversal is arranged symmetrically relative to the vertical split of the axis segment between two axial ends of the milling and planing drum.
Further, the transversal between adjacent main milling cutter transversal and side knife transversal is away from less than each adjacent main milling cutter transversal
Transversal away from and be more than the transversal of each adjacent side knife transversal away from.
Further, in each side knife region, the transversal of adjacent side knife transversal is away from from the main milling cutter region one
The axial end outside of the lateral milling and planing drum is gradually reduced.
Further, in each side knife region, the multiple summits knife transversal includes at least one main side knife transversal, institute
State while knife group be included in described at least one it is main while knife transversal on arrange at least one main side knife, the cutter tooth of the main side knife
Point of a knife circular diameter is equal with the point of a knife circular diameter of the cutter tooth of the main milling cutter.
Further, in each side knife region, the multiple summits knife transversal includes that two the above main side knives cut
Line, it is described while knife group be included in described more than two it is main while knife transversal on arrange two or more described in main side knife, described two
More than the transversal of main knife transversal while adjacent main in knife transversal cut away from the main milling cutter adjacent with a plurality of main milling cutter transversal
The transversal of line is away from equal.
Further, adjacent main milling cutter transversal and the main transversal between knife transversal away from equal to it is each adjacent main while knife cut
The transversal of line away from.
Further, in each side knife region, the multiple summits knife transversal also includes at least one auxiliary side knife transversal,
Each it is described while knife group be additionally included in described at least one it is auxiliary while knife transversal on arrange at least one auxiliary side knife, the auxiliary side knife
Cutter tooth point of a knife circular diameter less than the main milling cutter cutter tooth point of a knife circular diameter.
Further, in each side knife region, the multiple summits knife transversal includes that two the above auxiliary side knives cut
Line, it is described while knife group be included in described more than two it is auxiliary while knife transversal on arrange two or more described in auxiliary side knife, it is described two
More than auxiliary side knife cutter tooth point of a knife circular diameter from the outside of the axial end of the lateral milling and planing drum in the main milling cutter region one
It is gradually reduced.
Further, in each side knife region, described more than two it is auxiliary while knife transversal with it is corresponding described auxiliary while knife
Point of a knife circle the same side positioned at the milling and planing drum intersection point be in same circular arc on.
Further, in each side knife region, positioned at milling and planing drum it is axially outermost it is described supplemented by the knife transversal while
Knife transversal.
Further, in each side knife region, set positioned at the axially outermost side knife transversal of the milling and planing drum
It is placed in the outside of the corresponding axial end of the milling and planing drum.
Further, in each side knife region, on the axially outermost side knife transversal of the milling and planing drum
Arrange at least two side knives.
Further, the multiple main milling cutter the main milling cutter region from centre to axial two ends each by wait transversal away from
Arranged along oppositely oriented N bars helix, wherein, N is the natural number more than or equal to 2, and in the main milling cutter region
Between position, 2 × N number of starting point of whole helixes divides the circumference of the milling and planing drum equally.
Further, the multiple milling cutter also includes being arranged at correspondingly two sides knife region of the milling and planing drum
Two vertical cutter groups, each described vertical cutter group is included at least one vertical cutter arranged on vertical cutter transversal.
Further, in each side knife region, each described vertical cutter group is included along the circumferencial direction of the milling and planing drum
The multiple vertical cutters being evenly arranged, each vertical cutter is arranged on same vertical cutter transversal.
Further, in each side knife region, the vertical cutter transversal is located at the axially outermost side of milling and planing drum
Between knife transversal and the corresponding axial end of the milling and planing drum.
Further, in each side knife region, each vertical cutter includes that point of a knife circle is straight at least one vertical cutter
The multilayer cutter tooth that footpath increases successively.
Further, in each side knife region, the point of a knife circular diameter of the same layer cutter tooth of each vertical cutter is equal.
Second aspect present invention provides a kind of milling machine, including milling wheel, and the milling wheel is in first aspect present invention
Milling wheel described in any one.
Based on milling wheel and milling machine that the present invention is provided, milling wheel includes milling and planing drum and the multiple being arranged on milling and planing drum
Milling cutter, milling and planing drum includes main milling cutter region and respectively positioned at two sides knife region at the axial two ends in main milling cutter region, multiple millings
Knife includes being arranged in the main milling cutter group in main milling cutter region and is arranged in two knife groups in two of knife region correspondingly, main
Milling cutter group is included in the multiple main milling cutter being distributed on a plurality of main milling cutter transversal, and each side knife group is included in cloth on multiple summits knife transversal
The multiple side knives put, wherein, the transversal of each adjacent main milling cutter transversal away from the transversal more than each adjacent side knife transversal away from.Due to
The transversal of each adjacent main milling cutter transversal is away from the transversal more than each adjacent side knife transversal away from the milling cutter arrangement of the milling wheel is obtained
Optimization, side knife forms preferably protection between each side knife each other than the arrangement more crypto set of main milling cutter, can better adapt to
Side knife condition of work is severe and larger environment loaded, reduces the abrasion of side knife.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the first milling wheel in the prior art.
Fig. 2 is second structural representation of milling wheel in the prior art.
Fig. 3 is the structural representation of the milling wheel of the specific embodiment of the invention.
Fig. 4 is the knifepoint distribution schematic diagram of each milling cutter tooth of the milling wheel of embodiment illustrated in fig. 3.
Fig. 5 is the structural representation in the first side knife region of the milling wheel of embodiment illustrated in fig. 3.
Fig. 6 is the left view structural representation of Fig. 3.
In Fig. 3 to Fig. 6, each reference is represented：
300th, milling wheel；
310th, milling and planing drum；
311st, main milling cutter region；
312nd, the first side knife region；
313rd, the second side knife region；
321st, main milling cutter；
322nd, side knife；
323rd, vertical cutter；
330th, knockout plate.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, and never conduct is to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step for otherwise illustrating in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In all examples shown here and discussion, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once be defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Fig. 3 to Fig. 6 shows the milling wheel of the specific embodiment of the invention.Below in conjunction with Fig. 3 to Fig. 6 to the specific embodiment
Milling wheel be described in detail.
Fig. 3 is the structural representation of the milling wheel 300 of the specific embodiment of the invention.As shown in figure 3, milling wheel 300 includes
Milling and planing drum 310 and the multiple milling cutters being arranged on milling and planing drum 310.Each milling cutter include being arranged at tool rest on milling and planing drum 310 and
It is arranged at the cutter tooth on tool rest.
In addition, in the present embodiment, milling wheel 300 is also included along milling and planing drum 310 circumferentially in the axial direction of milling and planing drum 310
Multiple knockout plates 330 in portion.
Fig. 4 is the knifepoint distribution schematic diagram of each milling cutter tooth of the milling wheel of embodiment illustrated in fig. 3.Perpendicular to milling in Fig. 4
Dig drum 310 axes O each bar straight line represent each milling cutter where transversal.In the present invention, term " transversal " refers to each milling cutter
Projection line of the point of a knife circle in the approximately the same plane of the rotation axis by milling wheel 300, point of a knife circle is then the point of a knife of milling cutter
Movement locus line.The axes O of milling and planing drum 310 is also simultaneously the rotation axis of milling wheel.It is further to note that Fig. 4 is only
It is a schematic diagram, in fig. 4, in order to clearly demonstrate the relation between each transversal, eliminates the axially middle part of milling and planing drum 310
A plurality of transversal, the longitudinal middle part to each transversal also made omission treatment.As shown in figure 4, milling and planing drum 310 includes main milling cutter region
311 and respectively positioned at main milling cutter region 311 axial two ends two sides knife region.The axial length in main milling cutter region 311 is
L0.Two knife regions 312 and positioned at main milling cutter region when knife region is respectively positioned at the first of the left side of main milling cutter region 311
The second side knife region 313 on 311 right sides.First while knife region 312 axial length be L1, second while knife region 313 axial direction
Length is L2.In the present embodiment, L1 is equal with L2.
In the present embodiment, multiple milling cutters include being arranged in the main milling cutter group and correspondingly in main milling cutter region 311
It is arranged in two knife groups in two of knife region.Main milling cutter group is included in the multiple main milling cutter being distributed on a plurality of main milling cutter transversal
321.Each while knife group be included on multiple summits knife transversal arrange it is multiple while knife 322.Wherein, each adjacent main milling cutter transversal
Transversal away from the transversal more than each adjacent side knife transversal away from.
Due to each adjacent main milling cutter transversal transversal away from the transversal more than each adjacent side knife transversal away from the milling wheel
300 milling cutter arrangement is optimized, side knife 322 than main milling cutter 321 arrangement more crypto set, shape each other between each side knife 322
Into preferably protection, can better adapt to that the condition of work of side knife 322 is severe and larger environment loaded, reduce side knife 322
Abrasion.
As shown in Figure 3 and Figure 4, multiple main milling cutters 321 are each pressed to wait and cut from centre in main milling cutter region 311 to axial two ends
Line-spacing arranges that N is the natural number more than or equal to 2, in the interposition in main milling cutter region 311 along oppositely oriented N bars helix
Put, 2 × N number of starting point of whole helixes divides the circumference of milling and planing drum 310 equally.The arrangement of the multiple main milling cutter 321 of the milling wheel 300
Can ensure that milling is steady, reduce vibration.In the present embodiment, N is equal to 3.
As shown in figure 4, in the present embodiment, in two side knife groups, when a multiple summits knife transversal in knife group is with another
Vertical split symmetrical cloth of the multiple summits knife transversal of knife group relative to the axis segment between two axial ends of milling and planing drum 310
Put, be beneficial to the smooth working of milling wheel 300.
In fig. 4, only marked first it is each in knife region 312 while knife 322 where side knife transversal.Wherein, main milling cutter
Transversal G is a main milling cutter transversal in most edge, is also the line of demarcation in the side knife region 312 of main milling cutter region 311 and first.
In main milling cutter region 311, the transversal of each adjacent main milling cutter transversal is away from equal.In the first side knife region 312, from main milling cutter area
The axial end outside of the lateral milling and planing drum 310 in domain 311 1 be sequentially arranged while knife transversal F, while knife transversal E, while knife transversal D, while knife
Transversal C, while knife transversal B and while knife transversal A.
As shown in figure 4, the transversal of each adjacent main milling cutter transversal away from the transversal more than each adjacent side knife transversal away from.And
And, in each side knife region, the transversal of adjacent side knife transversal is away from from the axial direction of the lateral milling and planing drum 310 in main milling cutter region 311 1
End face outside is gradually reduced.The setting causes that the side knife of the more severe region arrangement of condition of work is more intensive, more conducively reduces side
The abrasion of knife 322.
By taking the first side knife region 312 as an example, transversal between each main milling cutter transversal away from more than while knife transversal F and while knife transversal
Transversal between E away from, while knife transversal F and while knife transversal E between transversal away from more than while knife transversal E and while knife transversal D between
Transversal away from, while knife transversal E and while knife transversal D between transversal away from more than while knife transversal D and while knife transversal C between transversal away from,
While knife transversal D and while knife transversal C between transversal away from more than while knife transversal C and while knife transversal B between transversal away from side knife transversal
C and the transversal between knife transversal B away from more than while transversal between knife transversal B and side knife transversal A away from.
In addition, the transversal between adjacent main milling cutter transversal and side knife transversal is away from cutting less than each adjacent main milling cutter transversal
Line-spacing and be more than the transversal of each adjacent side knife transversal away from.In the present embodiment, still by taking the first side knife region 312 as an example, main milling cutter
Transversal G and the transversal between knife transversal F away from the transversal less than each adjacent main milling cutter transversal away from, cut more than each adjacent while knife
The transversal of line away from.The setting similarly serves to favor the abrasion for reducing side knife.
Preferably, in each side knife region, multiple summits knife transversal includes at least one main side knife transversal, and side knife group is included in
Described at least one it is main on knife transversal arrange at least one it is main while knife, point of a knife circular diameter and the main milling cutter of the cutter tooth of main side knife
The point of a knife circular diameter of 321 cutter tooth is equal.
As shown in figure 4, in the present embodiment, while knife transversal E and while knife transversal B be main side knife transversal, on side knife transversal E and
The while knife arranged on knife transversal B is main side knife.Be arranged on knife transversal E it is main while knife cutter tooth point of a knife circular diameter DE
Be arranged on knife transversal B it is main while knife cutter tooth point of a knife circular diameter DB respectively with the master being arranged on each main milling cutter transversal
The point of a knife circular diameter of the cutter tooth of side knife is equal, and for example the point of a knife circle with the cutter tooth of the main side knife being arranged on main milling cutter transversal G is straight
Footpath DG is equal.
The point of a knife circular diameter of the cutter tooth of main side knife is equal with the point of a knife circular diameter of the cutter tooth of main milling cutter 321 to make milling wheel 300
The road surface of milling is more smooth, to meet milling wheel 300 in work such as pluckings the need for and milling ground flatness requirement.
In each side knife region, multiple summits knife transversal includes more than two main side knife transversals, side knife group be included in two with
Knife when the upper main two or more arranged on knife transversal is main, more than two it is main adjacent main in knife transversal while knife transversal transversal
Transversal away from the main milling cutter transversal adjacent with a plurality of main milling cutter transversal is away from equal.Additionally preferably, adjacent main milling cutter transversal
And the main transversal between knife transversal away from equal to it is each adjacent main while knife transversal transversal away from.Arrangement above makes the main milling of milling wheel
The distribution of knife and main side knife is relatively uniform, beneficial to the smooth working of milling wheel 300, also beneficial to plucking and milling ground it is smooth.
As shown in figure 4, in the present embodiment, main milling cutter transversal G and main side knife transversal F are adjacent, main milling cutter transversal G and main side knife
Transversal between transversal E is away from main in knife transversal with two --- while transversal between knife transversal E and side knife transversal B away from equal, also
With the transversal of adjacent main milling cutter transversal away from equal.
In addition, in each side knife region, multiple summits knife transversal also includes at least one auxiliary side knife transversal, and each side knife group is also
Be included at least one it is auxiliary arranged on knife transversal at least one it is auxiliary while knife, the point of a knife circular diameter of the cutter tooth of auxiliary side knife is less than master
The point of a knife circular diameter of the cutter tooth of milling cutter 321.The auxiliary setting in knife can with it is main while knife between formed and give mutual protection, it is to avoid side knife
Cutter tooth stress is excessive, prevents the cutter tooth of side knife to be broken.In addition, cloth of the change of point of a knife circular diameter beneficial to the main knife in Dao Hefu
Put.
As shown in figure 4, in the present embodiment, while knife transversal F, while knife transversal D, while knife transversal C and while knife transversal A it is equal supplemented by side
Knife transversal, while knife transversal F, while knife transversal D, while knife transversal C and while knife transversal A on arrange in knife it is equal supplemented by while knife.
Preferably, in each side knife region, multiple summits knife transversal also includes more than two auxiliary side knife transversals, and side knife group includes
Knife when the auxiliary two or more arranged on knife transversal is auxiliary more than two, the point of a knife circular diameter of the cutter tooth of the auxiliary side knife of two or more from
It is gradually reduced on the outside of the axial end of the main lateral milling and planing drum 310 in milling cutter region 311 1.
Due to adjacent side knife transversal transversal away from the transversal with adjacent main milling cutter transversal away from inconsistent, suitably reduce auxiliary
The height of side knife, on the one hand account for plucking and milling ground flatness demand, on the other hand beneficial to preventing side knife tool rest surpass
Go out milling and planing drum to cause to reach milling effect while abrasion.
As shown in figure 4, with while knife transversal F, while knife transversal D, while knife transversal C and while the corresponding auxiliary side knife of knife transversal A difference
Point of a knife circular diameter DF, DD, DC, DA of cutter tooth be sequentially reduced.
It is further preferred that in each side knife region, more than two it is auxiliary while knife transversal with it is corresponding auxiliary while knife point of a knife justify
The same side positioned at milling and planing drum 310 intersection point be in same circular arc on.By simulation results show, make more than two auxiliary sides
The intersection point of the same side positioned at milling and planing drum 310 that knife transversal is justified with the point of a knife of corresponding auxiliary side knife is in setting on same circular arc
The mode of putting makes the vibration of milling wheel smaller, in addition, the point of a knife envelope of the main milling cutter of milling wheel 300 and main side knife is generally formed
The structure of one structure of cylindrical milling cutter, the setting and cylindrical milling cutter is more coincide.
As shown in figure 4, by taking the first side knife region 322 as an example, main milling cutter transversal G and the corresponding main milling cutter being disposed thereon
The intersection point of point of a knife circle be G1, while knife transversal F be disposed thereon it is corresponding while knife the intersection point justified of point of a knife for F1, side knife cuts
The intersection point that the point of a knife of line E and the corresponding side knife being disposed thereon is justified is E1, while knife transversal D be disposed thereon it is corresponding while
The intersection point of the point of a knife circle of knife is D1, while knife transversal C be disposed thereon it is corresponding while knife the intersection point justified of point of a knife for C1, side knife
The intersection point that transversal B justifies with the point of a knife of the corresponding side knife being disposed thereon is B1, and side knife transversal A is corresponding with what is be disposed thereon
The intersection point of the point of a knife circle of side knife is A1.G1, F1, E1, D1, C1, B1, A1 are in the downside of the axes O of milling and planing drum 310.E1、B1
With G1 and together with the point of a knife of other main milling cutter transversals and the corresponding main milling cutter being disposed thereon justify positioned at milling and planing drum 310
The intersection point of the same side is in same parallel on the straight line of axes O；And F1, D1, C1 and A1 are then on same circular arc.
Preferably, in each side knife region, milling and planing drum is arranged at positioned at the axially outermost side knife transversal of milling and planing drum 310
The outside of 310 corresponding axial end.On the basis of the setting, milling and planing drum 310 is arranged on beneficial to by the tool rest of side knife
The inner side of axial end, such that it is able to protect the tool rest of milling and planing drum 310 and side knife not with milling road surface directly contact, to milling and planing drum
310 and side knife tool rest formed protection.
Fig. 5 is the structural representation in the side knife region of the milling wheel of embodiment illustrated in fig. 3.As shown in figure 5, straight line L is represented
Projection line of the axial end of milling and planing drum 310 in the plane where side knife transversal A and axes O, side knife transversal A is in straight line L
It is axially external, and with straight line L have apart from L3.The axially outermost side knife of milling and planing drum 310 is preferably located in the present embodiment
The distance between transversal and the corresponding axial end of milling and planing drum 310 L3 is 5mm~15mm.
In the present embodiment, in each side knife region, positioned at milling and planing drum 310 it is axially outermost supplemented by the knife transversal while knife cut
Line.As shown in figure 4, when knife transversal A is axially outermost auxiliary positioned at milling and planing drum 310 knife transversal.The setting can be to being close to
The main of edge forms certain protection in knife (being the main side knife on knife transversal B when being arranged in the present embodiment), slows down close
Cutter tooth and the tool rest abrasion of the main side knife of edge.
In addition, the abrasion in order to reduce the side knife being arranged at the axial edge of milling and planing drum 310, it is preferable that in each side knife
Region, positioned at milling and planing drum 310 is axially outermost arrange at least two on knife transversal while knife 322.In the present embodiment, in side knife
Two side knives 322 are arranged on transversal A.
Additionally preferably, multiple milling cutters of milling and planing drum 300 also include being arranged at correspondingly two sides of milling and planing drum 310
Two vertical cutter groups in knife region, each vertical cutter group is included at least one vertical cutter 323 arranged on vertical cutter transversal.Vertical cutter 323
Setting can be modified with the milling edge of road pavement, and the tool rest of opposite side knife 322, the cutter tooth of side knife 322 and milling and planing drum 310
Axial end forms protection.
It is further preferred that in each side knife region, each vertical cutter group is included along the uniform cloth of circumferencial direction of milling and planing drum 310
The multiple vertical cutters 323 put.Preferably, in each side knife region, each vertical cutter 323 is arranged on same vertical cutter transversal.Arrangement above
Multiple vertical cutters 323 can be made to mutually form protection, reduce the cutter tooth abrasion of vertical cutter.
Additionally preferably, in each side knife region, vertical cutter transversal be located at the axially outermost side knife transversal of milling and planing drum 310 with
Between the corresponding axial end of milling and planing drum 310.The setting can make to form mutually protection between vertical cutter and side knife.
Fig. 6 is the left view structural representation of Fig. 3.From fig. 6 it can be seen that the milling wheel 300 of the present embodiment is on each side
Knife region includes three vertical cutters 323.
Further, as shown in fig. 6, in each side knife region, each vertical cutter 323 includes point of a knife at least one vertical cutter 323
The multilayer cutter tooth that circular diameter increases successively.In the present embodiment, each vertical cutter 323 is respectively provided with three layers of cutter tooth.Preferably, on each side
Knife region, the point of a knife circular diameter in each vertical cutter 323 with layer cutter tooth is equal.Arrangement above is beneficial to make the milling edge on road surface more to put down
It is whole.
Above example should not limit the present invention, for example, in above example, the quantity of side knife transversal is 6, at other
In embodiment, it can be such as 4,5,7 or more than 8 that the quantity of side knife transversal can be arranged as required to profit, then for example,
The arrangement of main milling cutter is also not necessarily limited to the form of above example, but may be referred to the arrangement of other main milling cutters of the prior art
Form.
The present embodiment also provides a kind of milling machine, and the milling machine includes foregoing milling wheel 300.
From the above description, it can be seen that above example of the present invention has the following advantages that：
1st, the arrangement and reasonable stress of milling cutter, the abrasion of side knife is few.The adjacent main milling cutter transversal in main milling cutter region cut
Line-spacing more than while knife region it is adjacent while knife transversal transversal away from the cutter number of side knife region arrangement is relatively more, each side
Given mutual protection between knife, it is to avoid cutter tooth stress it is excessive and occur cutter tooth fracture, abrasion etc., reduce side knife cutter tooth consumption.
The tool rest abrasion of the 2nd, side knife and vertical cutter connection and reasonable arrangement, milling and planing drum and side knife is small.Mutually protection is formed between each side knife,
Outermost side knife coordinates vertical cutter to protect the tool rest of milling and planing drum and side knife not contacted with milling road surface, reduces end face and the side of milling and planing drum
The abrasion of the tool rest of knife.
3rd, the point of a knife envelope of the main milling cutter of milling wheel and main side knife forms a cylindrical milling cutter on the whole, then by auxiliary
The cooperation of side knife, makes to be formed between the knife of side to give mutual protection, while the cutter tooth for reducing side knife weares and teares, it is ensured that milling road surface is whole
Together, so as to improve milling efficiency and quality.
4th, road-surface milling is steady.Main milling cutter from axially in the middle of to axial two ends by etc. intercept each along N bars helix arrangement,
The helix of both sides is oppositely oriented, and the starting point of 2 × N bar helixes divides the circumference of milling and planing drum equally, and vibration is smaller, and milling is steady.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood：Still
Specific embodiment of the invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this hair
The spirit of bright technical scheme, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (20)
1. a kind of milling wheel, including milling and planing drum (310) and the multiple milling cutters being arranged on the milling and planing drum (310), its feature exist
In the milling and planing drum (310) is including main milling cutter region (311) and respectively positioned at the axial two ends of the main milling cutter region (311)
Two sides knife region, the multiple milling cutter includes being arranged in the main milling cutter group and one-to-one corresponding of the main milling cutter region (311)
Be arranged in described two knife groups in two of knife region, the main milling cutter group is included in what is arranged on a plurality of main milling cutter transversal
Multiple main milling cutters (321), each it is described while knife group be included in arranged on multiple summits knife transversal it is multiple while knife (322), wherein, respectively
The transversal of adjacent main milling cutter transversal away from the transversal more than each adjacent side knife transversal away from.
2. milling wheel according to claim 1, it is characterised in that in two side knife groups, side knife group it is a plurality of
While knife transversal and another while knife group two axial ends of the multiple summits knife transversal relative to the milling and planing drum (310) between
The vertical split of axis segment is arranged symmetrically.
3. milling wheel according to claim 1, it is characterised in that cutting between adjacent main milling cutter transversal and side knife transversal
Line-spacing less than each adjacent main milling cutter transversal transversal away from and be more than the transversal of each adjacent side knife transversal away from.
4. milling wheel according to claim 1, it is characterised in that in each side knife region, adjacent side knife transversal
Transversal be gradually reduced away from from the axial end outside of the lateral milling and planing drum (310) in the main milling cutter region (311).
5. milling wheel according to claim 1, it is characterised in that in each side knife region, the multiple summits knife cuts
Line include at least one main side knife transversal, it is described while knife group be included in described at least one it is main while knife transversal on arrange at least one
Individual main side knife, the point of a knife circular diameter of the cutter tooth of the main side knife is equal with the point of a knife circular diameter of the cutter tooth of the main milling cutter (321).
6. milling wheel according to claim 5, it is characterised in that in each side knife region, the multiple summits knife cuts
Line include two the above main side knife transversals, it is described while knife group be included in described more than two it is main while knife transversal on arrange two
Individual the above main side knife, described more than two it is main adjacent main in knife transversal while knife transversal transversal away from a plurality of master
The transversal of adjacent main milling cutter transversal is away from equal in milling cutter transversal.
7. milling wheel according to claim 6, it is characterised in that between adjacent main milling cutter transversal and main side knife transversal
Transversal away from the transversal equal to each adjacent main side knife transversal away from.
8. milling wheel according to claim 5, it is characterised in that in each side knife region, the multiple summits knife cuts
Line also include at least one auxiliary side knife transversal, each it is described while knife group be additionally included in described at least one it is auxiliary while knife transversal on arrange
At least one auxiliary side knife, the point of a knife of the point of a knife circular diameter of the cutter tooth of the auxiliary side knife less than the cutter tooth of the main milling cutter (321)
Circular diameter.
9. milling wheel according to claim 8, it is characterised in that in each side knife region, the multiple summits knife cuts
Line include two the above auxiliary side knife transversals, it is described while knife group be included in described more than two it is auxiliary while knife transversal on arrangement two
Individual the above auxiliary side knife, it is described two more than auxiliary side knives cutter tooth point of a knife circular diameter from the main milling cutter region (311)
It is gradually reduced on the outside of the axial end of the lateral milling and planing drum (310).
10. milling wheel according to claim 9, it is characterised in that in each side knife region, described more than two auxiliary
While knife transversal with it is corresponding described auxiliary while knife point of a knife justify the same side positioned at the milling and planing drum (310) intersection point be in it is same
On individual circular arc.
11. milling wheels according to claim 8, it is characterised in that in each side knife region, positioned at milling and planing drum
(310) it is axially outermost it is described supplemented by the knife transversal while knife transversal.
12. milling wheels according to claim 1, it is characterised in that in each side knife region, positioned at the milling and planing drum
(310) the axially outermost side knife transversal is arranged at the outside of the corresponding axial end of the milling and planing drum (310).
13. milling wheels according to claim 1, it is characterised in that in each side knife region, positioned at the milling and planing drum
(310) the axially outermost knife (322) when arranging at least two on knife transversal.
14. milling wheels according to claim 1, it is characterised in that the multiple main milling cutter (321) is in the main milling cutter area
Domain (311) from centre to axial two ends each by waiting transversal to be arranged away from along oppositely oriented N bars helix, wherein, N be more than or
Natural number equal to 2, and in the centre position of the main milling cutter region (311), 2 × N number of starting point of whole helixes divides institute equally
State the circumference of milling and planing drum (310).
15. milling wheel according to any one of claim 1 to 14, it is characterised in that the multiple milling cutter also includes one
Two vertical cutter groups in the one two sides knife region for being accordingly arranged at the milling and planing drum (310), each described vertical cutter group is included in
At least one vertical cutter (323) arranged on vertical cutter transversal.
16. milling wheels according to claim 15, it is characterised in that in each side knife region, each described vertical cutter
Group includes the multiple vertical cutters (323) being evenly arranged along the circumferencial direction of the milling and planing drum (310), each vertical cutter (323) arrangement
On same vertical cutter transversal.
17. milling wheels according to claim 15, it is characterised in that in each side knife region, the vertical cutter transversal
Between the axially outermost side knife transversal of milling and planing drum (310) and the corresponding axial end of the milling and planing drum (310).
18. milling wheels according to claim 15, it is characterised in that in each the side knife region, described at least one
The multilayer cutter tooth that each vertical cutter (323) increases successively including point of a knife circular diameter in vertical cutter (323).
19. milling wheels according to claim 18, it is characterised in that in each side knife region, each vertical cutter
(323) the point of a knife circular diameter of same layer cutter tooth is equal.
A kind of 20. milling machines, including milling wheel, it is characterised in that the milling wheel is according to any one of claim 1 to 19
Described milling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334724.4A CN106149536B (en) | 2015-06-17 | 2015-06-17 | milling wheel and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334724.4A CN106149536B (en) | 2015-06-17 | 2015-06-17 | milling wheel and milling machine |
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| CN106149536A CN106149536A (en) | 2016-11-23 |
| CN106149536B true CN106149536B (en) | 2017-06-06 |
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| CN201510334724.4A Active CN106149536B (en) | 2015-06-17 | 2015-06-17 | milling wheel and milling machine |
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| CN106869002B (en) * | 2017-02-16 | 2020-01-10 | 徐工集团工程机械有限公司 | Cold regeneration rotor and road surface cold regenerator |
| CN114737456B (en) * | 2022-05-06 | 2023-08-01 | 江苏徐工工程机械研究院有限公司 | Milling rotor and milling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB676162A (en) * | 1949-06-28 | 1952-07-23 | Sheffield Corp | Improvements in or relating to a threading machine and method of making an interrupted thread tap |
| CN102518032A (en) * | 2012-01-12 | 2012-06-27 | 徐州昂拓机械科技有限公司 | Quick cutter change milling rotor used on a pavement milling machine |
| CN202610692U (en) * | 2012-06-12 | 2012-12-19 | 西安海迈重工机械有限公司 | Milling rotor |
| CN204898487U (en) * | 2015-06-17 | 2015-12-23 | 徐工集团工程机械股份有限公司 | Mill and dig wheel and milling machine |
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