CN109853344A - A kind of lateral milling device of highway - Google Patents
A kind of lateral milling device of highway Download PDFInfo
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- CN109853344A CN109853344A CN201811349956.7A CN201811349956A CN109853344A CN 109853344 A CN109853344 A CN 109853344A CN 201811349956 A CN201811349956 A CN 201811349956A CN 109853344 A CN109853344 A CN 109853344A
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- cutterhead
- splined shaft
- milling
- fixed
- sliding sleeve
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Abstract
A kind of lateral milling device of highway, including casing fix the first milling component and the second milling component in casing；The first milling component includes splined shaft and cutterhead, and splined shaft is engaged with the internal spline in the first cutterhead, and cutterhead is coaxial with splined shaft, and the fixed cutting tooth in cutterhead surface, splined shaft is by hydraulic motor transmission；The second milling component includes two the second splined shafts, two the second cutterheads, a uni-drive gear box, two universal joints and two bearings；Second milling component is symmetrical along the plane of symmetry of cutterhead radial direction；Gear can adjust longitudinal height by hydraulic cylinder；Cutterhead lateral length is greater than the distance between second cutterhead opposite face center of circle, and the direction of rotation of the second cutterhead and the direction of rotation of cutterhead are opposite.The milling device operational vibration is small, and construction effect is more stable.
Description
Technical field
The present invention relates to a kind of milling device, the lateral milling device that is particularly suitable on paver.
Background technique
Lateral milling device is fixed, in both sides of highway especially for use in the milling device on paver by connection frame and car body
It due to only having side to fix when ditching, and is to laterally secure, vibration can be divided into acutely.Work can be greatly reduced in violent vibration
Efficiency.Oscillation Amplitude will lead to greatly the out-of-flatness of ditching bottom surface, be unfavorable for subsequent construction.
In addition, the vibration of high frequency, can be such that shaft engages with blade, mainly engagement place generates heat, and abrasion can be allowed to accelerate.This is just
It is required that use more high-quality, the higher axis of cost and blade when production.This different component costs is very high, some middle-size and small-size
It is very unfavorable for the popularization and application of equipment in use, will lead to that normal price is very high in equipment.
Chinese patent (CN205529824U, double milling machine) discloses following technical solution in the prior art: double milling
Planer, including lower frame, upper frame are provided with mounting rack in upper frame, are provided with power device on the upside of mounting rack, under mounting rack
Side is provided with Cutting tool installation manner groove, and two blade installation axles parallel and that steering is opposite, blade peace are provided in Cutting tool installation manner groove
Fill uniformly distributed blade on axis.It is uniformly distributed in fact using double blade, as shown in Figure 1, still this structure can not actually rise
To good damping effect.Because first row blade substantially just completes most of milling work, second row blade is substantially
Idle.Blade front-seat in this way completes the vibration generated when work, can not still effectively eliminate.Especially lateral milling
Machine, can not be arranged effective hydraulic damping device, substantially can only rigidly fixing frame and carry vibration by fixed structure, this
It is all very unfavorable for the stability of construction and equipment.
Summary of the invention
The object of the present invention is to provide a kind of small lateral milling machines of highway of amplitude in course of work.
To achieve the goals above, the present invention includes casing, and the first milling component and the second milling component are fixed in casing；
The first milling component includes splined shaft and cutterhead, and splined shaft is engaged with the internal spline in the first cutterhead, cutterhead
Coaxial with splined shaft, the fixed cutting tooth in cutterhead surface, splined shaft is by hydraulic motor transmission；
The second milling component includes two the second splined shafts, two the second cutterheads, a uni-drive gear box, two ten thousand
To section and two bearings；
Second cutterhead is fixed on the second splined shaft, and two the second splined shafts are matched by gear and gear
It closes, the input terminal of gear is by another hydraulic motor transmission；
The one end of second splined shaft far from gear is connect by universal joint with short axle, short axle and bearing inner race interference
Cooperation, bearing are fixed on casing；
Second milling component is symmetrical along the plane of symmetry of cutterhead radial direction；
Gear can adjust longitudinal height by hydraulic cylinder；
Cutterhead lateral length is greater than the distance between second cutterhead opposite face center of circle, the direction of rotation of the second cutterhead and cutterhead
Direction of rotation it is opposite.
Further, splined shaft surface is there are two types of spline, and a kind of longitudinal section is triangle, and one kind is special-shaped spline；Abnormity
Spline one or both sides are slotted on face, and slot is parallel with splined shaft axis, and slot longitudinal section is arc.
Further, two sides of special-shaped spline are slotted, two slot asymmetry, and special-shaped spline top longitudinal section is arc
Shape.
Further, special-shaped spline surface coated with resins layer, thickness is in 0.1-0.15mm.
Further, splined shaft is hollow, inside fixes a coaxial long axis, and splined shaft is opened far from the side of driving end
Mouthful, and be connected to by rotary flange with liquid case, the extension of fixed connection straight up in liquid case, pass through second bearing in liquid case
A stirring wheel is positioned, stirring wheel is coaxial with long axis, and the closing on one end of stirring wheel of long axis is arranged multiple circumferentially equal along long axis
The sliding slot of even distribution, the fixed sliding block being in sliding fit with the sliding chute on a sliding sleeve；
Splined shaft closes on one end of liquid case along the fixed multiple bimetal leafs of axisymmetrical, and the vacant end of bimetal leaf is in sliding sleeve
It is fixedly connected, bimetal leaf is increased with temperature pushes sliding sleeve to stirring wheel；
The fixed 2-4 protrusion in sliding sleeve surface, stirring wheel close on the open at one end of sliding sleeve, and be open interior fixed 2-4 protrusion, sliding
When in set insertion stirring wheel opening, the protrusion on sliding sleeve surface can contradict the protrusion in stirring wheel opening；
The length of bimetal leaf is not less than 15cm, generally circular arc, and radius is not more than 20cm, and radian is not less than 150 degree.
The beneficial effects of the present invention are:
1, the vibration frequency of equipment operational vibration, especially longitudinal vibration reduces, and amplitude substantially reduces, for side fixed milling
Highly beneficial for planer, construction effect is more stable, and equipment is safer；
2, special-shaped spline can effectively improve the stability maintenance of cutterhead, reduce the vibration and friction of engagement place, reduce
Abrasion and calorific value, the requirement of reduction degree spline shaft material reduce cost；
3, coated with resins on special-shaped spline, especially Viscoelastic resin can be further reduced the vibration engaged out, significantly
Reduce abrasion；
4, coolant liquid is filled in hollow splined shaft, can effectively improve cooling effect, is increased and is forced cooling component energy
Enough forced coolings that coolant liquid is carried out in the case where being higher than preset temperature.
Detailed description of the invention
Fig. 1 is prior-art illustration.
Fig. 2 is milling device structural schematic diagram.
Fig. 3 is the left view of Fig. 2.
Fig. 4 splined shaft and cutterhead assembling schematic diagram.
Fig. 5 is the schematic diagram of splined shaft Yu cutterhead assembling structure second embodiment.
Fig. 6 is spline longitudinal sectional view.
Fig. 7 is splined shaft schematic diagram of internal structure.
Fig. 8 is cooling component operation schematic diagram inside splined shaft.
Fig. 9 is to laterally secure milling machine to laterally secure structural schematic diagram.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawing.
As shown in Figures 2 and 3, the lateral milling device of a kind of highway, including casing 10, casing 10 fix the first milling component
20 and the second milling component 30；
The first milling component 20 includes splined shaft 21 and cutterhead 22, the internal spline in splined shaft 21 and the first cutterhead 22
Engagement, cutterhead 22 and splined shaft 21 are coaxial, and the fixed cutting tooth in 22 surface of cutterhead, splined shaft 21 is by hydraulic motor transmission；
The second milling component 30 includes two the second splined shafts, 31, two the second cutterheads, 33, uni-drive gear boxes
32, two universal joints 34 and two bearings 36；Second cutterhead 33 is fixed on the second splined shaft 31, two the second splined shafts
31 are cooperated by gear and gear 32, and the input terminal of gear is by hydraulic motor transmission；Gear is most simple
Clean design be hydraulic motor drive bevel gear, by bevel gear drive two umbrella tooths being fixed on the second splined shaft 31, second
The one end of splined shaft 31 far from gear is connect by universal joint 34 with short axle, and short axle and 36 inner ring of bearing are interference fitted,
Bearing 36 is fixed on casing 10；Second milling component 30 is symmetrical along the radial plane of symmetry of cutterhead 22；Gear 32
Longitudinal height can be adjusted by hydraulic cylinder, in this way when the raising of the position of gear 32, the second splined shaft 31 and gear
32 end of engagement of transmission case will elevated position, make the intersection of two 33 radial sections of the second cutterhead, this makes it possible to millings to go out vertical cut
Face is the ditch of trapezoidal type.Certainly the lengthwise position for increasing bearing 36 adjusts structure, can further adjust the shape of ditch.When
So, two output ends of gear can also be connect by universal joint with the second splined shaft 31, in this way can be more easily
The tilt angle of the second splined shaft 31 is adjusted, so as to adjust the angle between the second cutterhead, and then adjusts ditch sidewall draft angles.
22 lateral length of cutterhead is greater than the distance between 33 opposite face center of circle of the second cutterhead, the direction of rotation of the second cutterhead 33
It is opposite with the direction of rotation of cutterhead 22.The second cutterhead 33 first works when work, digs out the side wall profile of ditch, cutterhead will be remaining in
Between partially mill out, due to direction of rotation on the contrary, when working at the same time, can effectively offset vibration, especially longitudinal vibration, milling
Working depth is dug to keep stablizing.And due to being lateral milling machine, not strong fixation device is only unilateral fixed, offsets vibration
The enough stabilizations for more effectively keeping milling machine entirety of kinetic energy, on the one hand, ensure that milling working effect is stablized, the ditch inner face dug out is flat
It is whole, on the other hand, guarantee equipment safety, amplitude is small, and the probability of failure is lower.
As Figure 4-Figure 6,21 surface of splined shaft is there are two types of spline, and a kind of longitudinal section is triangle, and one kind is special-shaped spline
40；Special-shaped spline is slotted on 40 one or both sides face, and slot is parallel with 21 axis of splined shaft, and slot longitudinal section is arc, preferably round
Arc, and circular arc not less than half circle to be preferred.When two sides are slotted, two slot asymmetry, special-shaped spline
Top longitudinal section is arc.
The ratio longitudinal section of special-shaped spline 40 is that the spline of triangle is big, therefore the load to be born of special-shaped spline 40 is bigger.
In order to keep its vibration smaller, heat production is less.To its surface coated with resins layer, thickness uses patent in 0.1-0.15mm, technique
In (CN200480033600.2 resin coating processes and insert molding and resin coated metal gears class) specific embodiment 14
The method used.Since resin has certain viscoplasticity, it can be good at absorbing vibration, reduce heat production, reduce abrasion, extend
Service life.
As shown in FIG. 7 and 8, splined shaft 21 is hollow, inside fixes a coaxial long axis 23, splined shaft 21 is far from driving end
A side opening, and be connected to liquid case 60 by rotary flange, fixation is connected to extension 62 straight up, liquid case in liquid case 60
By second bearing one stirring wheel 61 of positioning in 60, stirring wheel 61 and long axis 23 are coaxial, and long axis 23 closes on stirring wheel 61
Multiple fixed cunnings being in sliding fit with the sliding chute along the circumferential equally distributed sliding slot of long axis 23 a, sliding sleeve 25 are set on one end
Block；Splined shaft 21 closes on one end of liquid case 60 along the fixed multiple bimetal leafs 24 of axisymmetrical, and bimetal leaf 24 is increased with temperature
Push sliding sleeve to stirring wheel 61；Bimetal leaf 24 is arc, in this way, its radian can be gradually decreased when the temperature is changed, it can
Enough to eastern sliding sleeve.The fixed 2-4 protrusion in 25 surface of sliding sleeve, stirring wheel 61 close on the open at one end of sliding sleeve 25, and be open interior fixed 2-4
A protrusion, when sliding sleeve 25 is inserted into the opening of stirring wheel 61, the protrusion on sliding sleeve surface can contradict the protrusion in the opening of stirring wheel 61.
The length of bimetal leaf 24 is not less than 15cm, and by taking circular arc as an example, radius is not more than 20cm, and radian is not less than 150 degree.
It can guarantee that it has enough spread lengths in this way.Two expansion of metal coefficients of bimetal leaf are common knowledges, according to coolant liquid
Type selection and the feature of equipment the range of temperature of coolant liquid can be learnt, according to temperature by limited test
It spends variation range, selects the material of bimetal leaf, the deformation of bimetal leaf is made to remain that its camber line opening direction is constant, i.e., it is double
Sheet metal will not cause it anti-convex because of temperature change, be in order to guarantee it in coolant temperature variation range, with temperature in this way
Degree, which increases, constantly pushes sliding sleeve 25 to stirring wheel 61, when temperature reduction then retracts sliding sleeve 25.
By the experiment of simple limited times, or the relationship that can cross acquisition temperature and bimetal leaf deformation is calculated, from
And when the coolant temperature in liquid case 60 and splined shaft 21 is higher than a certain temperature, sliding sleeve can be promoted stirring 61 by bimetal leaf
In, stirring wheel 61 stirs coolant liquid Rapid Circulation, and is rapidly cooled using extension 62 as cold end to coolant liquid.In order to
Guarantee that the stability that bimetal leaf 24 works, the quantity of bimetal leaf 24 are preferably equivalent at least 4.
The purpose of increase stirring wheel is the circulation in order to accelerate coolant liquid, and coolant liquid is made to cool down, and why uses bimetallic
Piece cooperates sliding sleeve to trigger the rotation of stirring wheel 61, is because not needing to force cooling when coolant temperature is low, and force cooling
Will increase the workload of splined shaft, therefore, only when, natural cooling it is not sufficiently effective to meet cooling effect when, be arranged one
Temperature is triggered, required cooling effect is reached with compulsory circulative cooling.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All any modifications in spirit of that invention and principle, made are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of lateral milling device of highway, including casing, which is characterized in that fix the first milling component and second in casing
Milling component；
The first milling component includes splined shaft and cutterhead, and splined shaft is engaged with the internal spline in the first cutterhead, cutterhead and flower
Key axis is coaxial, and the fixed cutting tooth in cutterhead surface, splined shaft is by hydraulic motor transmission；
The second milling component includes two the second splined shafts, two the second cutterheads, a uni-drive gear box, two universal joints
With two bearings；
Second cutterhead is fixed on the second splined shaft, and two the second splined shafts are cooperated by gear and gear, tooth
The input terminal of transmission case is taken turns by another hydraulic motor transmission；
The one end of second splined shaft far from gear is connect by universal joint with short axle, and short axle is matched with bearing inner race interference
It closes, bearing is fixed on casing；
Second milling component is symmetrical along the plane of symmetry of cutterhead radial direction；
Gear can adjust longitudinal height by hydraulic cylinder；
Cutterhead lateral length is greater than the distance between second cutterhead opposite face center of circle, the direction of rotation of the second cutterhead and the rotation of cutterhead
Turn contrary.
2. the lateral milling device of highway according to claim 1, which is characterized in that splined shaft surface there are two types of spline,
A kind of longitudinal section is triangle, and one kind is special-shaped spline；Special-shaped spline one or both sides are slotted on face, and slot and splined shaft axis are flat
Row, slot longitudinal section are arc.
3. the lateral milling device of highway according to claim 2, which is characterized in that open two sides of special-shaped spline
Slot, two slot asymmetry, special-shaped spline top longitudinal section are arc.
4. the lateral milling device of highway according to claim 2, which is characterized in that special-shaped spline surface coated with resins
Layer, thickness is in 0.1-0.15mm.
5. the lateral milling device of speed highway according to claim 1, which is characterized in that splined shaft is hollow, inside fixes one
Coaxial long axis, a side opening of the splined shaft far from driving end, and be connected to by rotary flange with liquid case, fixed connection in liquid case
Extension straight up, liquid case is interior to position a stirring wheel by second bearing, and stirring wheel is coaxial with long axis, and long axis closes on
It is arranged what multiple fixations along the circumferentially equally distributed sliding slot of long axis a, sliding sleeve were in sliding fit with the sliding chute on one end of stirring wheel
Sliding block；
Splined shaft closes on one end of liquid case along the fixed multiple bimetal leafs of axisymmetrical, and the vacant end of bimetal leaf is fixed in sliding sleeve
Connection, bimetal leaf is increased with temperature pushes sliding sleeve to stirring wheel；
The fixed 2-4 protrusion in sliding sleeve surface, stirring wheel close on the open at one end of sliding sleeve, and be open interior fixed 2-4 protrusion, and sliding sleeve is inserted
When entering in stirring wheel opening, the protrusion on sliding sleeve surface can contradict the protrusion in stirring wheel opening；
The length of bimetal leaf is not less than 15cm, generally circular arc, and radius is not more than 20cm, and radian is not less than 150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349956.7A CN109853344A (en) | 2018-11-14 | 2018-11-14 | A kind of lateral milling device of highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349956.7A CN109853344A (en) | 2018-11-14 | 2018-11-14 | A kind of lateral milling device of highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109853344A true CN109853344A (en) | 2019-06-07 |
Family
ID=66890004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811349956.7A Pending CN109853344A (en) | 2018-11-14 | 2018-11-14 | A kind of lateral milling device of highway |
Country Status (1)
| Country | Link |
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| CN (1) | CN109853344A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829161A (en) * | 1971-04-16 | 1974-08-13 | Wirtgen Reinhard | Apparatus for milling road surfaces |
| CN201006975Y (en) * | 2007-02-13 | 2008-01-16 | 朱建新 | Roads mark line removing machine |
| CN203947399U (en) * | 2014-06-10 | 2014-11-19 | 宋宏凯 | Synchronous ground plane milling machine |
| CN205223816U (en) * | 2015-12-16 | 2016-05-11 | 李治军 | Asphalt pavement milling machine |
| CN205347944U (en) * | 2016-01-31 | 2016-06-29 | 晋江兴翼机械有限公司 | Milling machine mills plane device |
| CN107558341A (en) * | 2017-09-08 | 2018-01-09 | 俞巍 | A kind of milling machine and its application method of adjustable milling depth |
-
2018
- 2018-11-14 CN CN201811349956.7A patent/CN109853344A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829161A (en) * | 1971-04-16 | 1974-08-13 | Wirtgen Reinhard | Apparatus for milling road surfaces |
| CN201006975Y (en) * | 2007-02-13 | 2008-01-16 | 朱建新 | Roads mark line removing machine |
| CN203947399U (en) * | 2014-06-10 | 2014-11-19 | 宋宏凯 | Synchronous ground plane milling machine |
| CN205223816U (en) * | 2015-12-16 | 2016-05-11 | 李治军 | Asphalt pavement milling machine |
| CN205347944U (en) * | 2016-01-31 | 2016-06-29 | 晋江兴翼机械有限公司 | Milling machine mills plane device |
| CN107558341A (en) * | 2017-09-08 | 2018-01-09 | 俞巍 | A kind of milling machine and its application method of adjustable milling depth |
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Application publication date: 20190607 |