CN206591409U - Cold renewal rotor and pavement cold recycling machine - Google Patents

Abstract

The utility model is related to a kind of cold renewal rotor and pavement cold recycling machine.Wherein, cold renewal rotor, it includes main milling cutter portion and the side knife portion installed in main milling cutter portion two ends, and knife assembly and the supporting mechanism for being arranged on main milling cutter portion two ends when knife portion includes, side knife assembly are removably mounted on supporting mechanism.Side knife assembly can be changed easily in complete machine, when side knife wear out failure, and one group of new side knife assembly can be quickly installed on former cold renewal rotor, improve the service life of whole rotor, save construction cost.

Description

Cold renewal rotor and pavement cold recycling machine

Technical field

The utility model is related to technical field of engineering machinery, more particularly to a kind of cold renewal rotor and pavement cold recycling machine.

Background technology

Cold in place recycling refers to smash old bitumen pavement material on the spot using bitumen regeneration equipment, and adds appropriate drip Compacting is mixed and stirred after blue or green and material modified, the technology of road is built based on old pavement material.And pavement cold recycling machine is a kind of high Effect, the road construction machinery of environmental protection, are mainly used in the regeneration operation of old asphalt pavement, and it passes through to old asphalt pavement milling, broken Broken, then with the binding agent uniform mixing by a certain percentage such as cement, water, emulsified asphalt, the compound of formation is used as new road surface Roadbed.

Rotor is the workpiece of cold regenerative machine, carries out milling for road pavement, mixes and stirs, to overall operation efficiency and new life The quality of compound plays vital influence.Rotor cutting operation is completed in the milling room of closing, two ends of rotor The easy stacking material between milling room, this make it that side knife produces friction with the material of accumulation all the time in rotor rotation process, makes Into phenomenon of the knife abrasion in side far faster than main milling cutter, after the abrasion to a certain extent of side knife, whole rotor can not just work, and now Main milling cutter is not damaged, and which results in the significant wastage of resource.

The side knife of existing cold renewal rotor is to be extended to by center section cutter by helix rule, is not accounted for The difference of operating mode and center section Tool in Milling operating mode is cut in side knife region, and the cutting operating mode in side knife region often compares center section Cutter is severe, and two side knives are soldered directly on rotor body, and after the knife wear out failure of side, whole rotor can only be reported integrally Useless processing, causes the wasting of resources.In addition, existing cold renewal rotor in side knife region arrangement one side milling tool, The abrasion of road groove opposite side tool rest is weakened to a certain extent, but the protection of this opposite side knife is extremely limited, and tool rest abrasion in side is still tight Weight.Currently available technology only accounts for the protection effect of the cutting function of rotor side knife, rotor side surface, it is impossible to solve side knife abrasion Too fast the problem of.

Utility model content

To overcome above technological deficiency, the technical problem that the utility model is solved is to provide a kind of cold renewal rotor and road surface Cold regenerative machine, it is possible to increase the service life of rotor, saves construction cost.

In order to solve the above technical problems, the utility model provides a kind of cold renewal rotor, it includes main milling cutter portion and peace Side knife portion mounted in main milling cutter portion two ends, knife assembly, vertical cutter component and main milling cutter portion two ends are arranged on when knife portion includes Supporting mechanism, vertical cutter component is fixedly mounted on supporting mechanism, and side knife assembly is removably mounted on supporting mechanism.

Further, the knife assembly split when knife assembly includes at least two, knife and arc when knife assembly split includes Plate, side knife is installed on arc, and supporting mechanism includes ring set, and at least two side knife assembly splits are inserted into ring by arc Put, to realize that side knife assembly is removably mounted on supporting mechanism.

Further, arc has the first radial positioning face, the first locating face and the first axial locating surface, ring Set has the second radial positioning face, the second locating face and the second axial locating surface, the first radial positioning face and the second footpath To locating surface location fit, the first locating face and the second locating face location fit, the first axial locating surface and second Axial locating surface location fit, is achieved in arc and is inserted on ring set.

Further, side knife assembly also includes bolt, and arc is fastened by bolts on ring set.

Further, while knife assembly split include it is multiple while knife, multiple side knives on the circumferential and axial of arc successively Equally spacedly and from the inside to the outside spread configuration, multiple side cutter spacing are in same straight line.

Further, when any side knife is axially close two in knife assembly split with remaining knife in the axial direction in etc. between Away from dislocation arrangement.

Further, in same side knife assembly split, the radiuss of clean-up of multiple side knives is along side from the inside to the outside It is sequentially reduced upwards.

Further, in same side knife assembly split, folder of the axis relative to the end face of arc of multiple side knives Angle increases successively along on direction from the inside to the outside.

Further, the axis of any side knife is in default angle relative to the end face of arc, so that the tool rest of side knife exists Without departing from the point of a knife of side knife on axial direction.

Further, knife portion in side is circumferential symmetrical structure.

Further, the knife assembly split when knife assembly includes 4, the knife when knife assembly split includes 4.

The utility model additionally provides a kind of pavement cold recycling machine, and it includes above-mentioned cold renewal rotor.

Thus, based on above-mentioned technical proposal, the utility model cold renewal rotor by will be designed in knife portion by while knife group The structure of part and the supporting mechanism composition for being arranged on main milling cutter portion two ends, side knife assembly is removably mounted on supporting mechanism, Side knife assembly can be changed easily in complete machine, when side knife wear out failure, can be quick by one group of new side knife assembly It is installed on former cold renewal rotor, improves the service life of whole rotor, saves construction cost.The utility model road surface is cold again Life also correspondingly has above-mentioned advantageous effects.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model be only used for explain the utility model, do not constitute to it is of the present utility model not Work as restriction.In the accompanying drawings：

Fig. 1 is the overall structure diagram of the utility model cold renewal rotor embodiment；

Fig. 2 is the structural representation in side knife portion in the utility model cold renewal rotor；

Fig. 3 and Fig. 4 are respectively entirety and split of the arc installed in supporting mechanism in the utility model cold renewal rotor Structural representation；

The structural representation that Fig. 5 circumferentially deploys for side knife assembly in the utility model cold renewal rotor；

Fig. 6 is the structural representation of the different radiuss of clean-up of multiple side knives in the utility model cold renewal rotor；

Fig. 7 is the structural representation of the different angles of multiple side knives in the utility model cold renewal rotor.

Embodiment

Below by drawings and examples, the technical solution of the utility model is described in further detail.

Embodiment of the present utility model is for the ease of asking design of the present utility model, the technology that is solved Topic, the technical characteristic for constituting technical scheme and the technique effect brought have further description.It should be noted that for this The explanation of a little embodiments, which is not constituted, to be limited of the present utility model.In addition, embodiment party of the present utility model described below As long as the technical characteristic being related in formula does not constitute conflict and can be just mutually combined each other.

In one schematical embodiment of the utility model cold renewal rotor, with reference to shown in Fig. 1 and Fig. 2, cold renewal turns Attached bag includes main milling cutter portion 1 and the side knife portion 2 installed in the main two ends of milling cutter portion 1, knife assembly 21, vertical cutter component when knife portion 2 includes 22 and the supporting mechanism 23 at the main two ends of milling cutter portion 1 is arranged on, side knife assembly 21 is removably mounted on supporting mechanism 23, Vertical cutter component 22 is fixedly mounted on supporting mechanism 23.

In the schematical embodiment, main milling cutter portion 1 is made up of rotary drum 11, support plate 12, main mill cutter assemblies 13, main milling cutter Component 13 is by being fixedly welded on support plate 12, and support plate 12 is fixed by welding on rotary drum 11.Cold renewal rotor is by by side Knife portion 2 is designed to by side knife assembly 21 and is arranged on the structure that the supporting mechanism 23 at main milling cutter portion two ends is constituted, side knife assembly 21 It is removably mounted on supporting mechanism 23, vertical cutter component 4 is fixed by welding on supporting mechanism 23, supporting mechanism 23 leads to Cross and be weldingly fixed on rotary drum 11, side knife assembly 21 can be changed easily in complete machine, can when side knife wear out failure So that one group of new side knife assembly is quickly installed on former cold renewal rotor, the service life of whole rotor is improved, construction is saved Cost.Wherein it is preferred to, side knife portion 2 is circumferential symmetrical structure, is so conducive to improving the area of cut and the cutting in side knife portion 2 Efficiency.

In one preferred embodiment of the utility model cold renewal rotor, as shown in Figure 3 and Figure 4, side knife assembly 21 is wrapped At least two side knife assembly splits are included, knife 211 and arc 212 when knife assembly split includes, side knife 211 are installed in arc On plate 212, supporting mechanism 23 includes ring set, and at least two side knife assembly splits are inserted on ring set by arc 212, with reality Existing side knife assembly 21 is removably mounted on supporting mechanism 23.By while knife assembly 21 be designed to by least two while knife assembly point The structure of body composition, Fig. 3 and Fig. 4 show the structure type that side knife assembly split is 4, and side knife assembly split passes through arc 212 are inserted on ring set, change convenient and swift, with very high efficiency.

Further, as shown in figure 4, arc 212 has the first radial positioning face A, the first locating face C and the One axial locating surface E, ring set has the second radial positioning face B, the second locating face D and the second axial locating surface F, first Radial positioning face A and the second radial positioning face B location fits, limit the position of arc 212 on radial direction r；First week To locating surface C and the second locating face D location fits, the position of arc 212 is limited on circumferencial direction w；First axially Locating surface E and the second axial locating surface F location fits, limit the position of arc 212 in the axial direction on z；It is achieved in arc Shape plate 212 is inserted on ring set so that arc 212 can effectively carry the milling temperature along along the direction of rotary drum axis 20.Enter again One step, as shown in Figure 3 and Figure 4, side knife assembly 21 also includes bolt 213, and arc 212 is fastened on ring set by bolt 213 On so that arc 212 can quick-detach soon.

As the improvement to above-described embodiment, as shown in figure 5, knife 211, multiple side knives when knife assembly split includes multiple 211 on the circumferential and axial of arc 212 equally spacedly and from the inside to the outside spread configuration successively, multiple side knives 211 are located at Same straight line so that cutter cuts road surface successively, it is ensured that rotor stable cutting.

It should be noted that in the utility model from the inside to the outside in " interior " refer to side knife assembly close to the position of drum 11, Correspondingly, " outer " refers to position of the side knife assembly away from drum 11, by taking the embodiment shown in Fig. 5 as an example, by side knife assembly 21 along circle Circumferential direction is deployed, at least two knife assembly splits when knife assembly split includes four：First side knife assembly split 21-1, second The knife assembly split 21-3 and the 4th side knife assembly split 21-4 in knife assembly split 21-2, the 3rd, the first side knife assembly split 21-1 has first group of side knife 211-1,211-2,211-3 and 211-4；Second while knife assembly split 21-2 have second group while knife 211-5,211-6,211-7 and 211-8；3rd when knife assembly split 21-3 has the 3rd group knife 211-9,211-10,211- 11 and 211-12, the 4th while knife assembly split 21-4 have the 4th group while knife 211-13,211-14,211-15 and 211-16, Every group of cutter is respectively positioned on an arc 212.As shown in figure 5, in same side knife assembly split, adjacent edge knife is in axial direction Interval on z directions is 2T, and z directions are outwards arranged successively vertically by side knife 211-1,211-2,211-3 and 211-4, is formed Straight line so that cutter cuts road surface successively, it is ensured that rotor stable cutting.First while knife assembly split 21-1 while knife 211- 1st, 211-2,211-3 and 211-4 along rotor axis rotate after 180 ° respectively with the 3rd while knife assembly split 21-3 while knife 211- 9th, 211-10,211-11 and 211-12 overlap, second while knife assembly split 21-2 while knife 211-5,211-6,211-7 and 211-8 along rotor axis rotate after 180 ° respectively with the 4th while knife assembly split 21-4 while knife 211-13,211-14,211- 15 and 211-16 is overlapped, i.e., two cutters are arranged on same transversal, and the cutting operating mode of side knife is more severe than main milling cutter, same Two cutters of transversal location arrangements are conducive to strengthening the cutting power of side knife.

As the further improvement to above-described embodiment, as shown in figure 5, any side knife 211 and remaining side knife assembly split Two close side knives 211 of middle axial direction on axial z equally arrange by dislocation, is so conducive to increasing the cutting face of side knife Product, improves stock-removing efficiency.By taking embodiment illustrated in fig. 5 as an example, second while knife assembly split 21-2 while knife 211-6 and the first side knife Component split 21-1 side knife 211-2 and 211-3 on axial z directions at intervals of T so that side knife all has in each position Cutting power, stock-removing efficiency is improved significantly.

As to the preferred of above-described embodiment, as shown in fig. 6, in same side knife assembly split, multiple side knives 211 Radius of clean-up R is sequentially reduced along on direction from the inside to the outside.By taking the embodiment shown in Fig. 5 and Fig. 6 as an example, the first side knife group Part split 21-1 side knife 211-1,211-2,211-3 and 211-4 radius of clean-up R are sequentially reduced, the 3rd side knife assembly split 21-3 side knife 211-9,211-10,211-11 and 211-12 radius of clean-up R are sequentially reduced, i.e. the side close to rotor end-face The radius of clean-up R of knife is smaller.Because side knife 211-4,211-12 are in rotor most edge, cutting operating mode is the most severe, reduces Radius of clean-up can effectively reduce side knife 211-4,211-12 chip-load, in order to avoid side knife rapid wear.

As to the further preferred of above-described embodiment, as shown in fig. 7, in same side knife assembly split, Duo Gebian The axis of knife 211 increases successively relative to the angle β of the end face of arc 212 along on direction from the inside to the outside.With Fig. 7 institutes Exemplified by the embodiment shown, first while knife assembly split 21-1 while knife 211-1,211-2,211-3 and 211-4 axis relative to The angle β of the end face of arc 212 increases successively along on direction from the inside to the outside, and this is with toolbox in axial z directions On position be adapted, apart from rotor end-face it is remote when knife only needs to less angle β and can ensure that its toolbox is in Within the protection domain of knife, and less angle β is conducive to reducing cutting resistance.Further, as shown in fig. 7, any The axis of side knife 211 is in default angle β relative to the end face of arc 212, so that the tool rest of side knife 211 does not surpass in the axial direction Go out the point of a knife 2111 of side knife 211, it is ensured that whole side knife 211 is in the protection domain of point of a knife 211, it is to avoid road groove opposite side knife 211 Tool rest abrasion, protect side knife.

The utility model additionally provides a kind of pavement cold recycling machine, and it includes above-mentioned cold renewal rotor.Due to this practicality Novel cold regeneration rotor can improve the service life of rotor, save construction cost, correspondingly, the utility model road surface cold renewal Machine also has above-mentioned advantageous effects, will not be repeated here.

Above in association with embodiment be described in detail for embodiment of the present utility model, but the utility model not office It is limited to described embodiment.For example, knife assembly split can be arranged to 3,5,6 it is even more.For ability For the technical staff in domain, these embodiments are carried out in the case where not departing from principle of the present utility model and connotation A variety of changes, modification, equivalence replacement and modification are still fallen within protection domain of the present utility model.

Claims (12)

1. a kind of cold renewal rotor, it is characterised in that including main milling cutter portion (1) and installed in main milling cutter portion (1) two ends Side knife portion (2), the knife assembly (21) when knife portion (2) include, vertical cutter component (22) and is arranged on the main milling cutter portion (1) The supporting mechanism (23) at two ends, the vertical cutter component (22) is fixedly mounted on the supporting mechanism (23), the side knife assembly (21) it is removably mounted on the supporting mechanism (23).

2. cold renewal rotor according to claim 1, it is characterised in that described when knife assembly (21) includes at least two Knife assembly split, knife (211) and the arc (212) when knife assembly split includes, the side knife (211) is installed in described On arc (212), the supporting mechanism (23) includes ring set, and at least two sides knife assembly split passes through the arc (212) it is inserted on the ring set, to realize that the side knife assembly (21) is removably mounted on the supporting mechanism (23).

3. cold renewal rotor according to claim 2, it is characterised in that the arc (212) has first radially to determine Plane (A), the first locating face (C) and the first axial locating surface (E), the ring set have the second radial positioning face (B), Second locating face (D) and the second axial locating surface (F), the first radial positioning face (A) are radially fixed with described second Plane (B) location fit, first locating face (C) and the second locating face (D) location fit, described first Axial locating surface (E) and the second axial locating surface (F) location fit, are achieved in the arc (212) and are inserted into institute State on ring set.

4. cold renewal rotor according to claim 2, it is characterised in that the side knife assembly (21) also includes bolt (213), the arc (212) is fastened on the ring set by the bolt (213).

5. cold renewal rotor according to claim 2, it is characterised in that the knife when knife assembly split includes multiple (211), the multiple side knife (211) on the circumferential and axial of the arc (212) successively equally spacedly and from the inside to the outside Ground spread configuration, the multiple side knife (211) is located at same straight line.

6. cold renewal rotor according to claim 5, it is characterised in that any described when knife (211) is described with remaining Two side knives (211) axially close equally misplace arrange in the axial direction in knife assembly split.

7. cold renewal rotor according to claim 5, it is characterised in that in the same side knife assembly split, institute The radius of clean-up for stating multiple side knives (211) is sequentially reduced along on direction from the inside to the outside.

8. the cold renewal rotor according to any one of claim 5~7, it is characterised in that in the same side knife assembly In split, the angle of end face of the axis relative to the arc (212) of the multiple side knife (211) is along from the inside to the outside Direction on increase successively.

9. the cold renewal rotor according to any one of claim 5~7, it is characterised in that the axle of any side knife (211) Line is in default angle relative to the end face of the arc (212) so that the tool rest of the side knife (211) in the axial direction without departing from The point of a knife (2111) of the side knife (211).

10. the cold renewal rotor according to any one of claim 1~7, it is characterised in that the side knife portion (2) is circumferential Symmetrical structure.

11. cold renewal rotor according to claim 2, it is characterised in that the knife group when knife assembly (21) includes 4 Part split, the knife (211) when knife assembly split includes 4.

12. a kind of pavement cold recycling machine, it is characterised in that including the cold renewal rotor described in any one of claim 1~11.