CN101514540B - Cold recycler with cross sliding type working roll - Google Patents
Cold recycler with cross sliding type working roll Download PDFInfo
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- CN101514540B CN101514540B CN2009100108797A CN200910010879A CN101514540B CN 101514540 B CN101514540 B CN 101514540B CN 2009100108797 A CN2009100108797 A CN 2009100108797A CN 200910010879 A CN200910010879 A CN 200910010879A CN 101514540 B CN101514540 B CN 101514540B
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- transversely
- car body
- working roll
- moving rack
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Abstract
The invention relates to a cold recycler with a cross sliding type working roll, and effectively solves the problems that the existing device can not completely clean road edge and the like. The cold recycler comprises a four-wheel drive running mechanism, a car body, a cab, an adjusting rack, an outer cover of a built-in working roll and a drive mechanism thereof. The key technical aspects are: a monolithic construction is applied to the cab, and an adjusting and control mechanism of the working roll is connected with the car body by a transverse sliding mechanism a transversely movable drive hydro cylinder hinged on the car body is adopted to drive a transversely movable rack of the transverse sliding mechanism to move along the direction of a sliding shaft and a sliding rail of the transverse sliding mechanism; the back end of the adjusting rack is hinged with the transversely movable rack by a spin axis, the two sides of the front end of the adjusting rack is hinged with the transversely movable rack by a lifting drive hydro cylinder, and the outer cover is hinged with the transversely movable rack by a front connecting lug and a back connecting lug. The cold recycler of the invention has the advantages of rational design, compact structure, convenient use and maintenance, complete cleaning of the road surface and full use of the road edge material, saving of labor force and raw materials and remarkable improvement of working performance and cost performance.
Description
Technical field
The present invention relates to a kind of road surface and renovate Work machine on the spot, particularly a kind of cold recycler with cross sliding type working roll that mills regeneration and new ground surface material mix-in-place processing that old pavement is turned on the spot.
Background technology
As everyone knows, Work machine is renovated on existing road surface on the spot generally can both handle not enough grey soil surface of stability bearing capacity or broken hard flexible pavement, sub-surface or subbase that finishing has damaged or has been about to damage.Turning over when milling the road surface, add the material system by vehicular, the regeneration bond material is joined by in the old pavement material of scarifying, through mixing and stirring fully, become laying of roadway material, be laid on the original place on the spot, finish old pavement renewing and transform operation as sub-surface or subbase with high-strength performance.
In recent years, the comparatively extensive of Work machine application renovated on above-mentioned road surface on the spot, in for example external patent report U.S. Pat 5 259 692 " pavement breaking device ", US5 190 398 " roadbed is built equipment " and US5 354 147 " two way pavement breaking machinery " etc. are arranged, disclose this type of road surface and renovated Work machine on the spot.This class machinery all is provided with by outer cover and assembles the service depot that the geometric space that limits between the working roll in it is determined, the working roll road pavement of the band cutting tool that utilization is rotated in the service depot is turned over and is milled regeneration, mix and stir new ground surface material simultaneously, finish the road surface and renovate on the spot.Wherein drive the power of working roll rotation and the power of four-wheel drive walking mechanism and adopt same motor driven, engine power is exported by crankshaft two end, wherein an end outputting power through belt transmission to working roll, drive working roll by reductor and rotate, other end power is through oil pump group hydraulic-driven walking mechanism.Domestic also have similar machinery, number is CN1154768C " Roadworking machine " as patent announcement.This machinery has the drivers' cab that an operator uses, the frame of travel certainly a walking mechanism and a support thereof that has two walking mechanism axles, the working roll of service depot that is surrounded as by the outer cover that is fixedly mounted on the frame and rotation within it and have the element of construction that the working roll gear unit of a drive motor constitutes.This working roll gear unit is installed on the rotating box, this rotating box is hinged on the frame by the axis of rotation parallel with working shaft, and utilize the lift cylinder unit controls rotating box that is arranged in the frame both sides to rotate around axis of rotation, to adjust the depth of implements that element of construction drops to requirement.When the operation degree of depth strengthened, the ground surface material of scarifying increased, and it is big that the space, service depot becomes, otherwise, then diminish.This mechanical fixation is installed on outer cover on the frame and interior working roll thereof, and the position on frame can not move left and right, and therefore, the position that the working roll road pavement is turned over the relative frame of operation section of milling can not change.Turn over when the road surface and to mill machinery and be in and travel transition during operating mode, consider safety issue, working roll outer cover the right can not surpass the tire outward flange, scrapes peripheral obstruction when avoiding travelling, and causes driving accident.Because to the belt driven type working roll, working roll can't be realized transverse translation during operation, must leave certain interval between itself and outer cover, when outer cover outside during, turn over and mill outside, operation area, road surface and must can cause the road surface of Road Edge to turn over when milling and thoroughly to clear up like this than tire outside indentation certain distance inwards with tire outside alignment, the fully regeneration of the material of Road Edge, also need manually carry out curb position processing operation, take a lot of work, take material, reduce operating efficiency greatly.Consider the visual field requirement of cab operator, but the drivers' cab of present known road surface retreading machine tool all is designed to the left and right translation formula, is promptly driven by hydraulic jack, drivers' cab can be by back and forth translation to the right in the middle of the car.Because of some links in this mechanical structures unit, as to control the lift cylinder unit that rotating box sways be directly to be fixed on the frame both sides, axis of rotation is directly to be hinged on the frame, the rotary gemel of the hydraulic jack unit of outer cover and preceding valve thereof all is arranged in the below of frame drivers' cab, make the position of centre of gravity of frame higher, should keep the operating environment and the visual field good when considering operation, drivers' cab can't be in low level and arrange, so the whole relatively machinery of position of drivers' cab also is the highest, the problem that this has just brought the complete machine height to exceed standard to transportation.For addressing this problem, this machinery is made into upper and lower two parts of dissection type with drivers' cab, and top can be around the axle revolution of being fixed in the lower part, and when the transition transportation, top need be overturn 180 ° around axle, so that reduce shipping height.When carrying out operation to the workplace, drivers' cab top be resetted, compare with the monolithic drivers' cab, its operation is more loaded down with trivial details, and the insulation of subdivision structure, dustproof design are complicated, makes, maintenance cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of cold recycler with cross sliding type working roll, solved the drivers' cab complex structure that existing machinery exists effectively, cost height, Road Edge such as can't thoroughly clear up at problem, and it compared with similar products, not only has reasonable in design, compact conformation, use, easy to maintenance helps the advantage that makes full use of of all thorough cleaning in road surface and Road Edge material, but also has avoided artificial aid in treatment, saving of labor, material-saving significantly improve operating efficiency and cost performance.
The technical solution adopted in the present invention is: this cold recycler with cross sliding type working roll comprises the car body of four-wheel drive walking mechanism and support thereof, be assembled on the car body drivers' cab and by adjustment rack, the working roll that the outer cover of built-in working roll and drive unit thereof are formed is adjusted controlling organization, its technical essential is: described drivers' cab adopts overall structure, described working roll is adjusted controlling organization and is linked together by horizontal slipping mechanism and described car body, and before utilizing the traversing driving oil cylinder that is hinged on the described car body to drive the transversely-moving rack edge of described horizontal slipping mechanism, the slide-bar of back slipping part or the direction of slide rail are slided, the rear end of described adjustment rack is hinged on the described transversely-moving rack by axis of rotation, its front end both sides utilize the lifting driving oil cylinder to be hinged on the transversely-moving rack, before described outer cover passes through, back engaging lug is hinged on the transversely-moving rack, the Qianmen of described outer cover is hinged on the described transversely-moving rack by preceding adjustment oil cylinder, adjusts oil cylinder after the gate open thereafter and is hinged on the described adjustment rack.
The forward and backward slipping part of described horizontal slipping mechanism adopts slide-bar, sleeve type syndeton, and described sliding sleeve is fixed on the described car body, and described slide-bar is fixed on the described transversely-moving rack.
The forward and backward slipping part of described horizontal slipping mechanism adopts slide rail, slideway type syndeton, and described slide rail is fixed on the car body, and described slideway is fixed on the described transversely-moving rack.
The preceding slipping part of described horizontal slipping mechanism adopts slide-bar, sleeve type syndeton, described sliding sleeve is fixed on the described car body, described slide-bar is fixed on the described transversely-moving rack, described back slipping part adopts slide rail, slideway type syndeton, described slide rail is fixed on the car body, and described slideway is fixed on the described transversely-moving rack.
The preceding slipping part of described horizontal slipping mechanism adopts slide rail, slideway type syndeton, described slide rail is fixed on the car body, described slideway is fixed on the described transversely-moving rack, described back slipping part adopts slide-bar, sleeve type syndeton, described sliding sleeve is fixed on the described car body, and described slide-bar is fixed on the described transversely-moving rack.
Advantage and good effect that the present invention has are: adopted the peculiar structure that links together by horizontal slipping mechanism and car body because the working roll of cold recycler with cross sliding type working roll of the present invention is adjusted controlling organization, so changed car body and adjustment rack, connection between working roll and outer cover and movement pattern, before can making the transversely-moving rack edge of horizontal slipping mechanism, the slide-bar of back slipping part or the direction of slide rail are slided, drive is hinged on also transverse translation of the outer cover of adjustment rack on the transversely-moving rack and built-in working roll and drive unit thereof, make the service depot that is made of working roll and outer cover thereof stretch out the tire outward flange, the road surface at the curb place that other Roadworking machine can't be cleared up is renovation on the spot all.When this cold recycler with cross sliding type working roll is in the place's operation of non-curb or normally moves,,, drive adjustment rack, working roll and outer cover and return to initial position transversely-moving rack translation to the left in order to ensure the safety of its operation.Therefore, it has solved Road Edge that existing Roadworking machine exists effectively problem such as can't thoroughly clear up, it compared with similar products, not only has reasonable in design, compact conformation, use, easy to maintenance helps the advantage that makes full use of of all thorough cleaning in road surface and Road Edge material, but also has avoided artificial aid in treatment, saving of labor, material-saving significantly improve operating efficiency and cost performance.
The control adjustment rack of this cold recycler with cross sliding type working roll is directly to be hinged on the transversely-moving rack both sides around the lifting driving oil cylinder that axis of rotation rotates, axis of rotation is directly to be hinged on the transversely-moving rack, and the preceding adjustment oil cylinder of outer cover and preceding valve thereof also is directly to be hinged on the transversely-moving rack.Therefore, except that outer cover and preceding valve thereof with transversely-moving rack with the moved further, the position of centre of gravity of car body is descended, be easy to drivers' cab is being changed layout on height and front and back position, make drivers' cab employing overall structure.Because the height of monolithic drivers' cab is moderate, so the good problem in the visual field when both having satisfied operation has solved existing dissection type drivers' cab complex structure again, the cost height, the problem of transportation superelevation can simplify the operation when transportation, drivers' cab is no longer turned down, reduced and manufacture and design and maintenance cost.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of concrete structure schematic diagram of the present invention.
Fig. 2 is a kind of structural representation that horizontal slipping mechanism among Fig. 1 and working roll are adjusted controlling organization.
Fig. 3 be before a kind of among Fig. 2 slipping part A to view.
Fig. 4 is that a kind of back slipping part B among Fig. 2 is to view.
Fig. 5 is the preceding slipping part among Fig. 3 is planted structure along (1) of A-A line a sectional view.
Fig. 6 is the preceding slipping part among Fig. 3 is planted structure along (2) of A-A line a sectional view.
Fig. 7 is the back slipping part among Fig. 4 is planted structure along (1) of B-B line a sectional view.
Fig. 8 is the back slipping part among Fig. 4 is planted structure along (2) of B-B line a sectional view.
Sequence number explanation among the figure: 1 drivers' cab, 2 car bodies, 3 back engaging lugs, 4 lifting driving oil cylinder, 5 drive units, 6 transversely-moving racks, 7 rear portion slide-bars, 8 walking mechanisms, 9 axis of rotation, 10 adjustment racks, oil cylinder is adjusted at 11 back doors, 12 outer covers, 13 working rolls, engaging lug before 14, oil cylinder is adjusted at 15 Qianmens, 16 anterior slide-bars, 17 Qianmen oil cylinder engaging lugs, 18 working rolls are adjusted controlling organization, oil cylinder engaging lug before 19 transversely-moving racks, 20 anterior sliding sleeves, 21 rear portion sliding sleeves, oil cylinder engaging lug behind 22 transversely-moving racks, the traversing driving oil cylinder in 23 backs, the fixedly connected ear of 24 back oil cylinders, the fixedly connected ear of oil cylinder before 25, traversing driving oil cylinder before 26,27 anterior slide rails, 28 rear portion slide rails, 29 anterior slideways, 30 rear portion slideways.
The specific embodiment
Describe the concrete structure of the present invention and the course of work in detail according to Fig. 1～8 and embodiment.This cold recycler with cross sliding type working roll comprises four-wheel drive walking mechanism 8 commonly used in the prior art and the car body 2 that supports thereof, be assembled in the drivers' cab 1 on the car body 2, be assembled in the working roll adjustment controlling organization that outer cover 12 and drive unit 5 thereof by adjustment rack 10, built-in working roll 13 on the car body 2 are formed, the horizontal slipping mechanism of forming by forward and backward slipping part, operating console that is matched to by the corresponding conventional control element of above-mentioned each assembly etc.
As shown in Figure 1, the drive unit 5 of present embodiment still adopts a traditional motor transmission, except that as the power that drives working roll 13 rotations, also is the power of four-wheel drive walking mechanism 8 and other oil cylinder.
Wherein walking mechanism 8 is the four-wheel drive, each running wheel is driven through reductor by a hydraulic motor, reductor is installed on the bent plate support, be welded with guide pillar on the support, guide pin bushing on guide pillar and the car body 2 is slidingly matched, and car body lifting driving oil cylinder is arranged, in each guide pillar when cylinder action, can drive car body 2 along the upper and lower action of the guide pillar of support, finish the upper and lower elevating function of car body 2.Four guide pin bushings are arranged on the car body 2, and the guide pillar with running wheel is slidingly matched respectively.Car body 2 relative each running wheel are done upper and lower elevating movement.
Drivers' cab 1 is arranged in appropriate location, car body 2 the place ahead, adopts overall structure.The complete machine highest point is the drivers' cab end face, when transportation, car body 2 is dropped to lowest part, can be no more than the requirement of transportation absolute altitude.When work, determine the height of drivers' cab 1 by car body 2 zero-bits, make that car body 2 is forward and backward to have a visuality.But drivers' cab 1 still adopts the structure along car body 2 left and right sides translations commonly used.By 1 translation of hydraulic oil cylinder driving drivers' cab, slideway is installed on the car body 2.During construction operation, drivers' cab 1 moves to the car right side, and during the short distance transportation, drivers' cab 1 moves in the middle of the car.
As shown in Figure 2, working roll is adjusted controlling organization 18 and is linked together by horizontal slipping mechanism and car body 2, and laterally slipping mechanism can be whole relative to car body 2 parallel moving.Laterally slipping mechanism is made up of forward and backward slipping part, can adopt multiple structure.Before slipping part structure as shown in Figure 3, the structure of back slipping part is as shown in Figure 4.Fig. 5 is (1) sectional view of planting structure of the preceding slipping part of horizontal slipping mechanism; Fig. 6 is (2) sectional view of planting structure of the preceding slipping part of horizontal slipping mechanism; Fig. 7 is (1) sectional view of planting structure of the back slipping part of horizontal slipping mechanism; Fig. 8 is (2) sectional view of planting structure of the back slipping part of horizontal slipping mechanism.
Laterally the forward and backward slipping part of slipping mechanism can all adopt slide-bar, sleeve type syndeton shown in Fig. 5,7, and its front and rear portions sliding sleeve 20,21 is separately fixed on the car body 2, and front and rear portions slide- bar 16,7 is separately fixed on the transversely-moving rack 6.
Laterally the forward and backward slipping part of slipping mechanism also can be shown in Fig. 6,8, all adopt slide rail, slideway type syndeton, its front and rear portions slide rail 27,28 is fixed on the car body 2, front and rear portions slideway 29,30 is fixed on the transversely-moving rack 6, wherein slide rail, slideway cross section structure are not limited to structure shown in the figure, also can adopt other profiled-cross-section structure.
Laterally the preceding slipping part of slipping mechanism can be as shown in Figure 5, adopt slide-bar, sleeve type syndeton, anterior sliding sleeve 20 is fixed on the car body 2, anterior slide-bar 16 is fixed on the transversely-moving rack 6, back slipping part can be as shown in Figure 8, adopt slide rail, slideway type syndeton, rear portion slide rail 28 is fixed on the car body 2, and rear portion slideway 30 is fixed on the transversely-moving rack 6.
Laterally the preceding slipping part of slipping mechanism also can adopt as shown in Figure 6, adopt slide rail, slideway type syndeton, anterior slide rail 27 is fixed on the car body 2, anterior slideway 29 is fixed on the transversely-moving rack 6, back slipping part can adopt as shown in Figure 7, slide-bar, sleeve type syndeton, rear portion sliding sleeve 21 are fixed on the car body 2, and rear portion slide-bar 7 is fixed on the transversely-moving rack 6.
Slide along the slide-bar of forward and backward slipping part or the direction of slide rail when turning over when milling, utilize the transversely-moving rack 6 that the forward and backward traversing driving oil cylinder 26,23 that is hinged on the car body 2 drives horizontal slipping mechanism to the road surface of Road Edge.The rear end of adjustment rack 10 is hinged on the transversely-moving rack 6 by axis of rotation 9, and the front end both sides of adjustment rack 10 utilize lifting driving oil cylinder 4 to be hinged on the transversely-moving rack 6.Outer cover 12 is hinged on the transversely-moving rack 6 by forward and backward engaging lug 14,3, and the Qianmen of outer cover 12 is adjusted oil cylinder 15 by the Qianmen and is hinged on the transversely-moving rack 6, and the oil cylinder 11 of gate open door adjustment later thereafter is hinged on the adjustment rack 10.
Working roll outer cover 12 is fixedly connected on transversely-moving rack 6 by preceding engaging lug 14 and back engaging lug 3, working roll 13 is installed on the adjustment rack 10 by two supports, the drive unit 5 of working roll is installed on the adjustment rack 10, and adjustment rack 10 can be around axis of rotation 9 rotations, and axis of rotation 9 is installed on the transversely-moving rack 6.
Working roll is adjusted controlling organization 18 around axis of rotation 9 rotations, drives working roll 13 revolutions of installing on it, thereby makes working roll 13 rise or descend, and guarantees complete machine working depth work on request in this way.Constitute the mix service depot between working roll 13 and the outer cover 12, this service depot changes its working depth along with the rotation of working roll 13, and the mix service depot also changes thereupon, and the rotation of adjustment rack 10 is driven by lifting driving oil cylinder 4.These oil cylinder 4 one ends are hinged on the adjustment rack 10, and the other end is hinged on the transversely-moving rack 6, can be with together left and right sides translation of transversely-moving rack 6.
Present embodiment is an example with the forward and backward slipping part of the horizontal slipping mechanism that slide-bar, sleeve type syndeton are formed, the agent structure of the transversely-moving rack 6 of this mechanism is a welding structural element, be processed with the axis hole that anterior slide-bar and rear portion slide-bar are installed on it, the axis hole base plate be welded in or by Bolt Connection on the transversely-moving rack agent structure.The transversely-moving rack agent structure is made of left and right beam and front and back and middle beam.Be welded with on the front beam or the anterior slide-bar supporting of Bolt Connection seat board, be welded with on the rear cross beam or Bolt Connection rear portion slide-bar supporting seat board, all be welded with a driving oil cylinder otic placode on the crossbeam of front and back, so that forward and backward traversing driving oil cylinder is installed.The transversely-moving rack middle part is welded with the otic placode of the back engaging lug 3 of stationary housings 12.
Being installed with two slide-bars on the transversely-moving rack 6 is anterior slide-bar 16, rear portion slide-bar 7, these two axles and transversely-moving rack 6 can not relatively rotate, be fixed connection, each axle upward slides and is linked with 2 sliding sleeves is anterior sliding sleeve 20, rear portion sliding sleeve 21, sliding sleeve and car body 2 usefulness bolts, alignment pin fixed connection.Transversely-moving rack 6 relative car bodies 2 have left and right sides translation functions, drive by traversing driving oil cylinder 23 behind traversing driving oil cylinder 26, the transversely-moving rack before the transversely-moving rack, oil cylinder 26 is hinged by oil cylinder engaging lug 19 before the transversely-moving rack with transversely-moving rack 6, be hinged on the car body 2 by the fixedly connected ear 25 of preceding oil cylinder, traversing driving oil cylinder 23 is hinged by oil cylinder engaging lug behind the transversely-moving rack 22 and transversely-moving rack 6 behind the transversely-moving rack, and is hinged with car body 2 by the fixedly connected ear 24 of back oil cylinder.
During this cold recycler with cross sliding type working roll construction operation, its operating procedure is renovated Work machine with the course of work on the spot with existing similar road surface, utilizes operating console to carry out needed construction operation.
Claims (5)
1. cold recycler with cross sliding type working roll, the car body that comprises four-wheel drive walking mechanism and support thereof, be assembled on the car body drivers' cab and by adjustment rack, the working roll that the outer cover of built-in working roll and drive unit thereof are formed is adjusted controlling organization, it is characterized in that: described drivers' cab adopts overall structure, described working roll is adjusted controlling organization and is linked together by horizontal slipping mechanism and described car body, and before utilizing the traversing driving oil cylinder that is hinged on the described car body to drive the transversely-moving rack edge of described horizontal slipping mechanism, the slide-bar of back slipping part or the direction of slide rail are slided, the rear end of described adjustment rack is hinged on the described transversely-moving rack by axis of rotation, its front end both sides utilize the lifting driving oil cylinder to be hinged on the transversely-moving rack, before described outer cover passes through, back engaging lug is hinged on the transversely-moving rack, the Qianmen of described outer cover is hinged on the described transversely-moving rack by preceding adjustment oil cylinder, adjusts oil cylinder after the gate open thereafter and is hinged on the described adjustment rack.
2. cold recycler with cross sliding type working roll according to claim 1, it is characterized in that: the forward and backward slipping part of described horizontal slipping mechanism adopts slide-bar, sleeve type syndeton, described sliding sleeve is fixed on the described car body, and described slide-bar is fixed on the described transversely-moving rack.
3. cold recycler with cross sliding type working roll according to claim 1, it is characterized in that: the forward and backward slipping part of described horizontal slipping mechanism adopts slide rail, slideway type syndeton, described slide rail is fixed on the car body, and described slideway is fixed on the described transversely-moving rack.
4. cold recycler with cross sliding type working roll according to claim 1, it is characterized in that: the preceding slipping part of described horizontal slipping mechanism adopts slide-bar, sleeve type syndeton, described sliding sleeve is fixed on the described car body, described slide-bar is fixed on the described transversely-moving rack, described back slipping part adopts slide rail, slideway type syndeton, described slide rail is fixed on the car body, and described slideway is fixed on the described transversely-moving rack.
5. cold recycler with cross sliding type working roll according to claim 1, it is characterized in that: the preceding slipping part of described horizontal slipping mechanism adopts slide rail, slideway type syndeton, described slide rail is fixed on the car body, described slideway is fixed on the described transversely-moving rack, described back slipping part adopts slide-bar, sleeve type syndeton, described sliding sleeve is fixed on the described car body, and described slide-bar is fixed on the described transversely-moving rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108797A CN101514540B (en) | 2009-03-26 | 2009-03-26 | Cold recycler with cross sliding type working roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108797A CN101514540B (en) | 2009-03-26 | 2009-03-26 | Cold recycler with cross sliding type working roll |
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| Publication Number | Publication Date |
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| CN101514540A CN101514540A (en) | 2009-08-26 |
| CN101514540B true CN101514540B (en) | 2010-09-22 |
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| CN2009100108797A Expired - Fee Related CN101514540B (en) | 2009-03-26 | 2009-03-26 | Cold recycler with cross sliding type working roll |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103669192B (en) * | 2013-11-30 | 2016-08-17 | 江苏蛟龙重工集团有限公司 | A kind of pavement marker removes device |
| CN109403194B (en) * | 2018-12-17 | 2023-12-22 | 南方高科工程技术有限公司 | Offset girder resonance crusher |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201411624Y (en) * | 2009-03-26 | 2010-02-24 | 鞍山森远路桥股份有限公司 | Transversing work roll road cold regenerator |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201411624Y (en) * | 2009-03-26 | 2010-02-24 | 鞍山森远路桥股份有限公司 | Transversing work roll road cold regenerator |
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