CN102704385A - Pavement milling machine and landing leg swinging mechanism thereof - Google Patents
Pavement milling machine and landing leg swinging mechanism thereof Download PDFInfo
- Publication number
- CN102704385A CN102704385A CN2012101743303A CN201210174330A CN102704385A CN 102704385 A CN102704385 A CN 102704385A CN 2012101743303 A CN2012101743303 A CN 2012101743303A CN 201210174330 A CN201210174330 A CN 201210174330A CN 102704385 A CN102704385 A CN 102704385A
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- China
- Prior art keywords
- supporting leg
- milling machine
- pavement milling
- connecting rod
- fixed connecting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Road Repair (AREA)
Abstract
The invention provides a pavement milling machine and a landing leg swinging mechanism thereof. The landing leg swinging mechanism comprises a double-rocker mechanism consisting of a machine frame, swinging rods, a rotatable sleeve rod, and fixing and connecting rods, wherein the swinging rods and the rotatable sleeve rod are rockers; and the fixing and connecting rods are connecting rods, are rotatably connected with the rotatable sleeve rod by taking landing legs of the pavement milling machine as hinge shafts, and are fixedly connected with the landing legs and are parallel to each other before and after swinging of the double-rocker mechanism. According to the landing leg swinging mechanism, the double-rocker mechanism is adopted, and the landing legs are used as the hinge shafts of the rotatable sleeve rod and the fixing and connecting rods; and due to the adoption of the structure, the fixing and connecting rods are fixedly connected with the landing legs and keep parallel to each before and after swinging, so that the direction of the forward motion of a tire or a tack is not changed, and under the condition that the two kinds of rockers are small in movement range, the landing legs positioned at the hinge points are large in displacement range; and the landing leg swinging mechanism is compact in structure and small in occupied space.
Description
Technical field
The present invention relates to engineering machinery field, specifically, relate to a kind of pavement milling machine and supporting leg swing mechanism thereof.
Background technology
Pavement milling machine is one of main machine of road maintenance machinery, is widely used in cities and towns town road and the speedway maintenance project.Pavement milling machine need be rocked to the milling machine inboard with a side leg when edge, milling road surface, milling equipment could be accomplished the milling of curb smoothly like this.At present; The device of general oscillating support leg all adopts the mode of rotating around fixed axis to realize; This supporting leg swing mode can make the tire that is connected with supporting leg or the direction of advance of crawler belt that 180 ° variation has taken place; Therefore need to increase reversal valve and switch the oil circuit direction to change the direction of advance of tire or crawler belt, so not only increase cost and also will increase operating procedure, inconvenient user uses.Other has the device of the oscillating support leg of some milling machines to adopt the quadric chain of parallelogram; Supporting leg is fixed on the connecting rod parallel with frame; This structure is when oscillating support leg; Though do not change the direction of advance of tire or crawler belt, this pendulous device hunting range is bigger, needs to reserve than large space.
Summary of the invention
The object of the present invention is to provide a kind of supporting leg swing mechanism of pavement milling machine, not only can not change the direction of advance of tire or crawler belt, and compact conformation, take up room little.
Another object of the present invention is to provide a kind of pavement milling machine with above-mentioned supporting leg swing mechanism.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of supporting leg swing mechanism of pavement milling machine; Comprise the double rocker mechanism that constitutes by frame, fork, rotatable loop bar and fixed connecting rod; Wherein, This fork be the rocking bar of said double rocker mechanism with turning loop bar, and this fixed connecting rod is the connecting rod of said double rocker mechanism, and this fixed connecting rod is that hinge and said rotatable loop bar formation are rotatably connected with the supporting leg of pavement milling machine; And this fixed connecting rod is fixedly connected with said supporting leg, and said fixed connecting rod is parallel to each other before this double rocker mechanism swing with after the swing.
Further, also comprise be used to limit the stopping means that said fixed connecting rod is parallel to each other with the maintenance of swing back before said double rocker mechanism swing.
Further; Said first pin joint is positioned on the perpendicular bisector of second pin joint and the 3rd pin joint line; Wherein first pin joint is the pin joint of fork and frame; Second pin joint is the pin joint of said double rocker mechanism swing front roll bar and fixed connecting rod, and the 3rd pin joint is the pin joint of said double rocker mechanism swing back fork and fixed connecting rod.
Further, said fork is connected with drive unit, and this drive unit is for driving oil cylinder, cylinder or the motor of this fork swing.
Further, said rotatable loop bar one end is hinged on the said frame, and the other end is provided with sleeve, and this sleeve is rotating to be socketed on the said supporting leg.
Further, said fixed connecting rod one end and fork are hinged, and the other end is provided with the collar, and this collar is fixedly sleeved on said supporting leg.
Further, be provided with key between the said collar and the said supporting leg, in order to the relative position of circumferential retaining collar and supporting leg.
Further, said key is provided with screw, on the said collar, is provided with hole corresponding with this screw and screw, and hole and the screw on this key that this screw passes on the collar are spirally connected, in order to prevent that key from sliding or loosening.
Further, also comprise chuck, along the cannelure that is circumferentially with this chuck coupling, this chuck is rotating to be connected in this cannelure at said collar outer wall, and this chuck is fixedly connected with said sleeve, in order to the relative position of the axial restraint collar and supporting leg.
Further, the end of said sleeve is provided with flange, and said chuck is fixedly connected with this flange through screw.
Further, said stopping means comprises alignment pin and/or the baffle plate that is arranged on the pavement milling machine.
A kind of pavement milling machine is provided with the supporting leg swing mechanism of aforesaid pavement milling machine.
Adopt pavement milling machine of the present invention and supporting leg swing mechanism thereof, have following beneficial effect:
1, supporting leg swing mechanism of the present invention adopts double rocker mechanism, and with the hinge of supporting leg as rotatable loop bar and fixed connecting rod, adopts this structure; On the one hand; Because keeping parallelism before and after fixed connecting rod is fixedly connected and swings with supporting leg, the direction of advance of tire or crawler belt can not changed, on the other hand; Under the less situation of two rocking bar scopes of activities, just can make the supporting leg that is positioned at pin joint that bigger displacement range is arranged, and compact conformation, occupy little space.
2, supporting leg swing mechanism double rocker mechanism of the present invention can be arranged on the fixed connecting rod and the bar that is rotatably connected in the different plane, so just more can effectively utilize the space of car body, for the layout of miscellaneous part is vacateed more spaces.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
When Fig. 1 is the unrecovered supporting leg of supporting leg swing mechanism according to the invention with the sketch map that is connected of supporting leg;
Fig. 2 is that supporting leg swing mechanism according to the invention is regained behind the supporting leg sketch map that is connected with supporting leg;
Fig. 3 is a supporting leg swing mechanism operating principle sketch according to the invention;
Fig. 4 is fixed connecting rod according to the invention and rotatable loop bar and the sketch map that is connected of supporting leg;
Fig. 5 is the partial sectional view of Fig. 4.
Description of reference numerals:
The 1-frame, 2-turns loop bar, 3-supporting leg, 4-fixed connecting rod, 5-fork, the 6-collar, 7-key, 8-chuck, 9-flange, 10-screw, 11-sleeve, a, b, c, c ', d, d '-pin joint.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 to Fig. 5 is the more preferably relevant drawings of embodiment of the present invention; Extremely shown in Figure 5 like Fig. 1; The supporting leg swing mechanism of the described pavement milling machine of present embodiment comprises the four-bar linkage that is made up of frame 1, fork 5, rotatable loop bar 2 and fixed connecting rod 4, in the present embodiment; This four-bar linkage be fixed connecting rod 4 before swing with swing after the double rocker mechanism that is parallel to each other; Wherein, this fork 5 be the rocking bar of double rocker mechanism with turning loop bar 2, and this fixed connecting rod 4 is the connecting rod of double rocker mechanism; This fixed connecting rod 4 is that hinge and rotatable loop bar 2 formations are rotatably connected with the supporting leg 3 of pavement milling machine; And this fixed connecting rod 4 is fixedly connected with supporting leg 3, and promptly fixed connecting rod 4 is that the center of rotation formation is hinged with rotatable loop bar 2 with pin joint c, and fixed connecting rod 4 is parallel to each other before this double rocker mechanism swing with after the swing.Should be hinged on the frame 1 through pin joint b by rotatable loop bar 2 one ends, the other end is provided with sleeve, and this sleeve is rotating to be socketed on the supporting leg 3, is welded with a flange 9 in the lower end of this sleeve.These fixed connecting rod 4 one ends and fork 5 are hinged through pin joint d, and the other end is provided with the collar 6, and this collar 6 connects fixedly sleeved on supporting leg 3 through key; Promptly between the collar 6 inwalls and supporting leg 3 outer walls, be provided with at least one key; Set key is two flat keys 7 in the present embodiment, on these two flat keys 7, is provided with screw, on the said collar 6, is provided with hole corresponding with this screw and screw 10; Hole and the screw on this key that this screw 10 passes on the collar 6 are spirally connected, in order to prevent that key from sliding or loosening.Upper end edge at this collar 6 is circumferentially with the chuck 8 that cannelure reaches and this cannelure matees; These chuck 8 rotating being connected in this cannelure; And this chuck 8 is fixedly connected with the flange 9 of sleeve lower end through screw 10, in order to the relative position of the axial restraint collar 6 with supporting leg 3.These fork 5 one ends are hinged on the frame 1 through pin joint a, and the other end and fixed connecting rod 4 do not have an end of the collar 6 hinged through pin joint d.Among Fig. 1 to Fig. 5; Fig. 3 is the operating principle sketch of the said supporting leg swing mechanism of present embodiment, and shown in figure, fixed connecting rod 4 is respectively pin joint d and pin joint d ' with the pin joint of fork 5 before and after swing; Fixed connecting rod 4 is respectively pin joint c and pin joint c ' with the pin joint of rotatable loop bar 2 before and after swing; Wherein, pin joint a is positioned on the perpendicular bisector of swinging preceding pin joint d and swing back pin joint d ' line, and fixed connecting rod 4 is being swung the front and back keeping parallelism; Present embodiment makes fixed connecting rod 4 be fixedly connected with supporting leg 3 through such structure; Rotatable loop bar 2 is rotatably connected with supporting leg 3, makes fork 5 when swing, make original position and the final position keeping parallelism of fixed connecting rod 4, thereby can not change tire or the direction of advance change of crawler belt on the supporting leg 3.For original position and the final position keeping parallelism that makes fixed connecting rod 4, can realize that this stopping means can be alignment pin and/or baffle plate on pavement milling machine through stopping means is set; Also can also be members such as bolt; For example, can on fork 5, beat a hole alignment pin or bolt are installed, in order to limit the final position of fixed connecting rod 4; Same; On frame, also beat a hole alignment pin or bolt are installed, perhaps directly weld a baffle plate, in order to limit the start-stop position of rotatable loop bar 2; The concrete installation site of alignment pin or bolt or baffle plate can be decided according to amplitude of fluctuation, original position and the final position of fixed connecting rod 4, can guarantee that like this fixed connecting rod 4 fixes and be parallel to each other in the swing front-back direction.
In the present embodiment, a drive unit that is connected with fork 5 can also be set, this drive unit can be oil cylinder, cylinder or motor, and in order to 5 swings of control fork, this drive unit can be connected fork 5 middle parts, also can be connected the end of fork 5.
In other embodiment, fixed connecting rod 4 can be hinged on the middle part of fork 5, and fork 5 one ends are hinged on the frame 1, and the other end is connected with drive unit.
Except the supporting leg swing mechanism of above-mentioned pavement milling machine, the present invention also provides a kind of pavement milling machine that comprises the supporting leg swing mechanism of above-mentioned pavement milling machine, and the structure of other each several part of this pavement milling machine is with reference to prior art, and this paper repeats no more.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the supporting leg swing mechanism of a pavement milling machine; It is characterized in that; Comprise the double rocker mechanism that is made up of frame (1), fork (5), rotatable loop bar (2) and fixed connecting rod (4), wherein, this fork (5) and this rotatable loop bar (2) be the rocking bar of said double rocker mechanism; This fixed connecting rod (4) is the connecting rod of said double rocker mechanism; This fixed connecting rod (4) is that hinge and said rotatable loop bar (2) constitute and be rotatably connected with the supporting leg (3) of pavement milling machine, and this fixed connecting rod (4) is fixedly connected with said supporting leg (3), and said fixed connecting rod is parallel to each other before this double rocker mechanism swing and after swinging.
2. the supporting leg swing mechanism of pavement milling machine according to claim 1 is characterized in that, also comprises being used to limit the stopping means that said fixed connecting rod is parallel to each other with the maintenance of swing back before said double rocker mechanism swing.
3. the supporting leg swing mechanism of pavement milling machine according to claim 2 is characterized in that, said stopping means comprises alignment pin and/or the baffle plate that is arranged on the pavement milling machine.
4. the supporting leg swing mechanism of pavement milling machine according to claim 2 is characterized in that, said fork (5) is connected with drive unit, and this drive unit is for driving oil cylinder, cylinder or the motor of this fork (5) swing.
5. according to the supporting leg swing mechanism of each described pavement milling machine of claim 1 to 4; It is characterized in that; Said rotatable loop bar (2) one ends are hinged on the said frame (1), and the other end is provided with sleeve (11), and this sleeve (11) is rotating to be socketed on the said supporting leg (3).
6. the supporting leg swing mechanism of pavement milling machine according to claim 5 is characterized in that, said fixed connecting rod (4) one ends and fork (5) are hinged, and the other end is provided with the collar (6), and this collar (6) is fixedly sleeved on said supporting leg (3).
7. the supporting leg swing mechanism of pavement milling machine according to claim 6 is characterized in that, is provided with key between the said collar (6) and the said supporting leg (3).
8. the supporting leg swing mechanism of pavement milling machine according to claim 7; It is characterized in that; Said key is provided with screw, on the said collar (6), is provided with hole corresponding with this screw and screw (10), and hole and the screw on this key that this screw (10) passes on the collar (6) are spirally connected.
9. the supporting leg swing mechanism of pavement milling machine according to claim 6; It is characterized in that; Also comprise chuck (8); Along being circumferentially with the cannelure that matees with this chuck (8), this chuck (8) is rotating to be connected in this cannelure, and this chuck (8) is fixedly connected with said sleeve (11) at the said collar (6) outer wall.
10. the supporting leg swing mechanism of pavement milling machine according to claim 9 is characterized in that, the end of said sleeve (11) is provided with flange (9), and said chuck (8) is fixedly connected with this flange (9) through screw (10).
11. a pavement milling machine is characterized in that, is provided with the supporting leg swing mechanism of 1 to 10 any described pavement milling machine of claim.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174330.3A CN102704385B (en) | 2012-05-30 | 2012-05-30 | Pavement milling machine and landing leg swinging mechanism thereof |
| PCT/CN2012/086024 WO2013177913A1 (en) | 2012-05-30 | 2012-12-06 | Road milling machine and leg swinging mechanism for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174330.3A CN102704385B (en) | 2012-05-30 | 2012-05-30 | Pavement milling machine and landing leg swinging mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102704385A true CN102704385A (en) | 2012-10-03 |
| CN102704385B CN102704385B (en) | 2014-04-16 |
Family
ID=46897417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210174330.3A Expired - Fee Related CN102704385B (en) | 2012-05-30 | 2012-05-30 | Pavement milling machine and landing leg swinging mechanism thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102704385B (en) |
| WO (1) | WO2013177913A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177913A1 (en) * | 2012-05-30 | 2013-12-05 | 湖南三一智能控制设备有限公司 | Road milling machine and leg swinging mechanism for same |
| CN103790101A (en) * | 2012-10-31 | 2014-05-14 | 宝马格有限公司 | Bottom milling machine with swingable driving device |
| CN104452560A (en) * | 2014-12-25 | 2015-03-25 | 柳工无锡路面机械有限公司 | Hydraulic power assisted supporting leg overturning mechanism of road surface milling machine and overturning method of hydraulic power assisted supporting leg overturning mechanism |
| CN105803912A (en) * | 2016-03-16 | 2016-07-27 | 戴纳派克（中国）压实摊铺设备有限公司 | Supporting leg swinging and steering mechanism for milling-planing machine |
| CN107489088A (en) * | 2017-09-26 | 2017-12-19 | 广西南宁栩兮科技有限公司 | A kind of plane milling wheel controlling organization of milling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002103117A1 (en) * | 2001-04-27 | 2002-12-27 | Bitelli Spa | Milling machine with re-entering back wheels |
| CN201686925U (en) * | 2009-11-30 | 2010-12-29 | 徐州凯莫尔重工科技有限公司 | Milling machine |
| CN201809709U (en) * | 2010-09-16 | 2011-04-27 | 江苏华通动力重工有限公司 | Lifting support leg turning mechanism of pavement milling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704385B (en) * | 2012-05-30 | 2014-04-16 | 三一重工股份有限公司 | Pavement milling machine and landing leg swinging mechanism thereof |
-
2012
- 2012-05-30 CN CN201210174330.3A patent/CN102704385B/en not_active Expired - Fee Related
- 2012-12-06 WO PCT/CN2012/086024 patent/WO2013177913A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002103117A1 (en) * | 2001-04-27 | 2002-12-27 | Bitelli Spa | Milling machine with re-entering back wheels |
| CN201686925U (en) * | 2009-11-30 | 2010-12-29 | 徐州凯莫尔重工科技有限公司 | Milling machine |
| CN201809709U (en) * | 2010-09-16 | 2011-04-27 | 江苏华通动力重工有限公司 | Lifting support leg turning mechanism of pavement milling machine |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177913A1 (en) * | 2012-05-30 | 2013-12-05 | 湖南三一智能控制设备有限公司 | Road milling machine and leg swinging mechanism for same |
| CN103790101A (en) * | 2012-10-31 | 2014-05-14 | 宝马格有限公司 | Bottom milling machine with swingable driving device |
| CN103790101B (en) * | 2012-10-31 | 2017-03-01 | 宝马格有限公司 | Ground milling machine with swingable running gear |
| CN104452560A (en) * | 2014-12-25 | 2015-03-25 | 柳工无锡路面机械有限公司 | Hydraulic power assisted supporting leg overturning mechanism of road surface milling machine and overturning method of hydraulic power assisted supporting leg overturning mechanism |
| CN104452560B (en) * | 2014-12-25 | 2016-09-14 | 柳工无锡路面机械有限公司 | A kind of pavement milling machine hydraulic booster supporting leg switching mechanism and method for turning thereof |
| CN105803912A (en) * | 2016-03-16 | 2016-07-27 | 戴纳派克（中国）压实摊铺设备有限公司 | Supporting leg swinging and steering mechanism for milling-planing machine |
| WO2017157275A1 (en) * | 2016-03-16 | 2017-09-21 | 戴纳派克（中国）压实摊铺设备有限公司 | Mechanism for rotating and steering support leg for pavement milling machine |
| CN105803912B (en) * | 2016-03-16 | 2018-01-23 | 戴纳派克（中国）压实摊铺设备有限公司 | The supporting leg of milling machine swings steering mechanism |
| EP3431660A4 (en) * | 2016-03-16 | 2019-07-31 | Dynapac (China) Compaction & Paving Equipment Co. Ltd. | Mechanism for rotating and steering support leg for pavement milling machine |
| US10710631B2 (en) | 2016-03-16 | 2020-07-14 | Dynapac (China) Compaction & Paving Equipment Co., Ltd. | Mechanism for swinging and steering support leg for pavement milling machine |
| CN107489088A (en) * | 2017-09-26 | 2017-12-19 | 广西南宁栩兮科技有限公司 | A kind of plane milling wheel controlling organization of milling machine |
| CN107489088B (en) * | 2017-09-26 | 2019-08-02 | 广西南宁栩兮科技有限公司 | A kind of plane milling wheel control mechanism of milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013177913A1 (en) | 2013-12-05 |
| CN102704385B (en) | 2014-04-16 |
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Granted publication date: 20140416 Termination date: 20170530 |