EP3722506B1 - Bodenverdichter - Google Patents

Bodenverdichter Download PDF

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Publication number
EP3722506B1
EP3722506B1 EP20176432.1A EP20176432A EP3722506B1 EP 3722506 B1 EP3722506 B1 EP 3722506B1 EP 20176432 A EP20176432 A EP 20176432A EP 3722506 B1 EP3722506 B1 EP 3722506B1
Authority
EP
European Patent Office
Prior art keywords
roller
compactor
coupling
rotation
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20176432.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3722506A1 (de
Inventor
Markus Golbs
Georg Troeger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamm AG
Original Assignee
Hamm AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hamm AG filed Critical Hamm AG
Publication of EP3722506A1 publication Critical patent/EP3722506A1/de
Application granted granted Critical
Publication of EP3722506B1 publication Critical patent/EP3722506B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
    • E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/236—Construction of the rolling elements, e.g. surface configuration, rolling surface formed by endless track

Definitions

  • the present invention relates to a soil compactor comprising at least one compactor roller rotatably supported on a machine frame about a roller axis of rotation, wherein at least one compactor roller is movably supported in its two axial end regions via a suspension arrangement on the machine frame.
  • the same devices can be used to improve the compaction efficiency in association with at least one compactor roller, which generate a periodic force acting on the compactor roller during compaction operation when the compactor roller is rolling on a substrate to be compacted.
  • the force can be exerted substantially in the vertical direction, so that a vibrational acceleration or vibrational movement of the compactor roller is produced, or it can be exerted in a circumferential direction, so that an oscillatory acceleration or oscillatory movement of the compactor roller is produced.
  • the compactor rollers are carried at their two axial end regions via suspensions on the machine frame that allow relative movement with respect to the machine frame .
  • suspensions for example, it is from the EP 0 168 72 A2 known to use pneumatic suspensions.
  • U.S. 5,71 6,162 it is known to use suspensions with elastically deformable suspension elements made of elastomeric material.
  • a soil compactor according to the preamble of claim 1 is from U.S. 3,052,166 A famous.
  • a compacting roller is rotatably supported on a machine frame about a roller axis of rotation via suspension assemblies provided at axial ends thereof.
  • the Suspension arrangements each comprise a support element which rotatably supports the compactor roller and is designed with an essentially square outer peripheral contour, which is surrounded by a frame-like roller carrier which is carried on a machine frame and has an essentially square inner peripheral contour.
  • Helical springs oriented parallel to one another extend between parallel opposite sides of the carrier element or the roller carrier, each with a radial spacing, so that diametrically opposite coupling areas are formed with respect to the roller axis of rotation, with each such coupling area comprising two helical springs which, starting from the carrier element, extend parallel to one another extend to the roll support.
  • a soil compactor comprising at least one compactor roller supported on a machine frame so as to be rotatable about a roller axis of rotation, with at least one compactor roller being movably supported in its two axial end regions via a suspension arrangement on the machine frame, with at least one , preferably each suspension arrangement comprises at least one coil spring movably coupling the compactor drum to the machine frame.
  • the movement of the compactor roller permitted by the suspension arrangement in relation to the machine frame is a movement essentially transverse to the roller axis of rotation, if necessary also in the direction of the roller axis of rotation, i.e. a movement in addition to the basically existing rotatability of the compactor roller around the Roll axis of rotation is permitted relative movement between the compactor roll and the machine frame.
  • helical springs or at least one helical spring are used to enable a relative movement between the compactor roller and the machine frame. It was recognized that the use of helical springs on the one hand achieves a suspension which essentially prevents the transmission of periodically effective forces from the compactor roller to the machine frame, while on the other hand the elements used to provide this suspension, i.e. helical springs, themselves absorb essentially no energy , so that the force periodically exerted on a compactor roller to improve the compaction efficiency or the energy used for this purpose is essentially completely available in the region of the compactor roller for acceleration or for generating a periodic movement of the same.
  • coil springs for the suspension of a compactor roller allows a relative movement with respect to the machine frame to a greater extent than is the case, for example, with elastomer elements, such as rubber buffers, which at the same time have the tendency to transfer damping forces to the machine frame that are proportional to the speed.
  • helical springs are considered to be springs that can preferably be loaded in tension and compression in the direction of a spring longitudinal axis, have one or more spring coils, in particular springs that have spring coils surrounding a spring longitudinal axis with a pitch other than zero.
  • Such helical springs can have a constant radial dimension in the direction of the longitudinal axis of the spring, ie a substantially constant coil radius with respect to the longitudinal axis of the spring or a substantially constant radius of curvature of the spring coils.
  • Such helical springs can also be constructed with a pitch that varies at least in regions in the direction of the longitudinal axis of the spring and/or can have a spring radius that varies at least in regions with respect to the longitudinal axis of the spring and thus a varying radius of curvature of the spring coils, for example to provide a substantially conical shape of a such a helical spring in which the spring coils expand radially outward in a spiral manner.
  • the at least one suspension arrangement comprises a roller carrier unit, the compactor roller being supported on the roller carrier unit so that it can rotate about the roller axis of rotation, and the roller carrier unit being supported via at least one Coil spring is coupled to the machine frame.
  • the roller support unit comprises a support element that supports the compactor roller so that it can rotate about the axis of rotation of the roller, and that the support element is coupled to the machine frame in a plurality of first coupling regions that are arranged at a circumferential distance from one another about the axis of rotation of the roller .
  • At least one first coupling region preferably a plurality of first coupling regions that follow one another in the circumferential direction around the roller axis of rotation, is provided on the carrier element, and in at least one, preferably every first coupling region the carrier element is coupled to the machine frame via at least two first coil springs.
  • at least one pair of first coupling regions lying diametrically opposite one another with respect to the roller axis of rotation is provided on the carrier element.
  • two first coil springs extend from at least one pair of first coupling areas on each of the two first coupling areas, starting from a respective first coupling area approximately parallel to each other and in opposite directions, and in at least one other pair of first coupling portions on each of the two first coupling portions, two first coil springs extend angled toward each other and in opposite directions starting from a respective first coupling portion.
  • a configuration is particularly advantageous in which a pair of first coupling regions with first helical springs extending approximately parallel to one another and a pair of first coupling regions with angled first helical springs are provided on a carrier element, with preferably the first coupling regions of the one pair of first coupling regions and the first coupling areas of the other pair of first coupling areas are arranged alternately one after the other in the circumferential direction, and/or wherein preferably the first coupling areas with first helical springs angled towards one another are arranged approximately one above the other in the vertical direction and the first coupling areas with helical springs extending approximately parallel to one another in the vertical direction approximately lie at the same level.
  • first helical springs In order to ensure that the first helical springs essentially do not have to transmit any forces acting in the direction of the roller axis of rotation, it is proposed that at least some, preferably all, of the first helical springs be arranged with spring longitudinal axes lying in at least one plane that is essentially orthogonal to the roller axis of rotation.
  • the carrier element is coupled to the machine frame in at least one second coupling region via at least one second coil spring, and that a spring longitudinal axis of the at least one second coil spring is not in an axis of rotation in the roller Substantially orthogonal plane is located, preferably the longitudinal axis of the spring of at least one, preferably all of the second coil springs extending substantially in the direction of the axis of rotation of the roller.
  • a device for generating an essentially periodic acceleration, preferably oscillation acceleration and/or vibration acceleration, can be provided in the compactor roller.
  • a soil compactor generally designated 10, which has a driver's cab 14 on a rear carriage 12 and wheels 16 that can be driven by a drive unit (not shown), which can also be provided on the rear carriage 12, for moving the soil compactor 10 forward.
  • a front carriage 18 pivotably connected to the rear carriage 12 about a substantially vertical axis for steering the soil compactor 10 comprises a machine frame 22 enclosing a compactor roller 20 with extending essentially in a direction of movement of the soil compactor 10 and between them the longitudinal frame sections 24 receiving the compactor roller 20.
  • the compactor roller 20 is supported or suspended on these longitudinal frame sections 24 in its two axial end regions, axially here related to a roller axis of rotation about which the compactor roller 20 is rotatably supported on the machine frame 22, via suspension arrangements described in more detail below that the compactor roller 20 can perform a relative movement with respect to the machine frame 22.
  • Such relative mobility enables vibration decoupling between the compactor roller 20 and the machine frame 22, which is of substantial importance in particular when on or in the compactor roller 20 an in 9 only schematically indicated device 26 is provided, with which a force or an acceleration can be exerted on the compactor roller 20 in order to accelerate it, for example, in the vertical direction V or in the circumferential direction about the roller axis of rotation.
  • Such devices to be used for generating a vibration acceleration or vibration movement and/or an oscillation acceleration or oscillation movement of the compactor roller 20 are well known in the prior art and do not need to be described in more detail.
  • suspension arrangements that are designed differently from one another could also be used on the two axial end regions of the compactor roller 20 .
  • Configuration of such suspension arrangements are each described with reference to a suspension arrangement provided on one of the two axial end regions of a compactor roller 20 .
  • FIGS Figures 1 and 2 A first suspension arrangement for the compactor roller 20 is shown in FIGS Figures 1 and 2 shown.
  • a roller disk 34 also generally referred to as a blank, can be provided in the roller shell 32.
  • a drive motor 36 can be carried on this roller disk 34, by means of which the compactor roller 20 can be driven to rotate about the axis of rotation A of the roller.
  • This structure can be provided in particular when, unlike in 9 shown, the soil compactor 10 on the rear carriage also has a compactor roller and at least one of the compactor rollers is to be driven to rotate.
  • the drive motor for the device 26 described above can then be provided on or in the compactor roller 20 in order to drive unbalanced masses thereof for rotation about respective axes of rotation.
  • the suspension arrangement 28 comprises a roller carrier unit, generally designated 38, on which the compactor roller 20 is rotatably supported about the roller axis of rotation A, for example via the traction motor 36 or a bearing element provided on the roller disk 34.
  • the roller support unit 38 comprises a first support element 40 on which the compactor roller 20 is rotatably supported about the axis of rotation A of the roller.
  • the roller support unit 38 also includes a second support element 42 which is supported in a first coupling area 44 on the machine frame 22 so as to be pivotable about an axis parallel to the axis of rotation A of the roller.
  • a carrier plate 46 can be provided on the machine frame 22 for this purpose or carried on which the second support member 42 is pivotally carried.
  • the second carrier element 42 is coupled to the machine frame 22, for example the carrier plate 46, via a helical spring 50.
  • a support area 52 can be provided on the machine frame 22 or the carrier plate 46, on which one of the two end areas of the coil spring 50 acts, while the other of the two end areas of the coil spring 50 acts on the second coupling area 48 of the second carrier element 42.
  • the first carrier element 40 is pivotably connected to the second carrier element 42 in a third coupling region 54 .
  • the third coupling region 54 lies in a direction of longitudinal extension of the second carrier element 42 between the first coupling region 44 and the second coupling region 48 which are each provided on end regions of the second carrier element 42 .
  • a helical spring 58 engages with one of its end regions on the first carrier element 40 .
  • the other end area of the helical spring 48 acts on a support area 60, for example also provided on the carrier plate 46 or on the machine frame 42, so that the first carrier element 40 and thus the compactor roller 20 is supported on the machine frame 22 via the helical spring 58.
  • the first carrier element 40 extends approximately in the vertical direction V, so that the fourth coupling area 56 and also the roller axis of rotation are positioned in the vertical direction V above the third coupling area 54 .
  • the roller carrier unit 38 assumes a state in which the two carrier elements 40, 42 are in a state of minimum potential energy with respect to one another Relative pivot position are.
  • the compactor roller 20 can perform a relative movement with respect to the machine frame 22 essentially in the vertical direction V when the helical spring 50 is compressed or stretched, while the compactor roller 20 is essentially moved with respect to the machine frame 22 when the helical spring 58 is compressed or stretched can perform a movement in the horizontal direction H.
  • the horizontal direction H can be understood as a direction which is essentially parallel to the subsoil U to be compacted
  • the vertical direction V can be understood as a direction which is essentially orthogonal to the subsoil U to be compacted is.
  • the suspension arrangement 38 thus enables a relative movement of the compactor roller 20 in any desired direction, essentially orthogonal to the roller axis of rotation A, while compressing or stretching the two coil springs 50, 58, while in the direction of the roller axis of rotation A, the roller carrier unit 38 defines the compactor roller 20 with respect to the Machine frame 22 is supported. This ensures that transverse forces, ie forces acting in the direction of the roller axis of rotation A, can also be transmitted between the compactor roller 20 and the machine frame 22, which can occur in particular when the soil compactor 10 is steered.
  • FIG. 3 to 5 An inventive embodiment of a suspension assembly is in the Figures 3 to 5 shown.
  • components or assemblies which components or assemblies described above with regard to structure or function are denoted by the same reference numerals with the addition of the suffix "a".
  • the suspension arrangement 28a comprises a roller carrier unit 38a which supports the compactor roller 20a so as to be rotatable about the roller axis of rotation A and has a carrier element 64a which is designed essentially in the shape of a cross.
  • a roller carrier unit 38a which supports the compactor roller 20a so as to be rotatable about the roller axis of rotation A and has a carrier element 64a which is designed essentially in the shape of a cross.
  • four coupling arms 68a, 70a, 72a, 74a extend at a mutual angular distance of approximately 90° to one another, so that the coupling arms 68a and 72a are arranged diametrically opposite one another with respect to the roller axis of rotation A.
  • the coupling arms 70a, 74a are arranged diametrically opposite one another with respect to the axis of rotation A of the roller.
  • a first coupling area 76a, 78a, 80a, 82a is formed in each of the end areas of the coupling arms 68a, 70a, 72a, 74a remote from the roller axis of rotation A.
  • the carrier element 64a is coupled to the machine frame 22a or the carrier plate 46a provided thereon by means of two coil springs 84a, 86a.
  • the helical springs 84a, 86a that couple them to the machine frame 22a have spring longitudinal axes F that are essentially parallel to one another and thus essentially to one another as well progressively arranged.
  • the positioning of the helical springs 84a, 86a, which interact in particular with the first coupling regions 76a, 80a, obliquely with respect to the horizontal direction H makes it possible to transmit a drive torque with great leverage between the compactor roller 20a and the machine frame 22a.
  • forces acting in the vertical direction V can be transmitted efficiently.
  • first coil springs 84a, 86a with which they are connected to the first coupling regions 76a, 78a, 80a, 82a, and the end regions of these first coil springs 84a, 86a, with which they are connected to respective support regions 88a of the machine frame or the carrier plate 46a are connected, thus have in the direction of the roller axis of rotation A essentially no offset to each other.
  • first helical springs 84a, 86a are thus essentially provided and suitable for supporting the compactor roller 20a with respect to the machine frame 22a in the event of deflections perpendicular to the axis of rotation A of the roller.
  • second coupling regions 90a are provided on the carrier element 64a, for example on the central body region 66a thereof, in which the carrier element 64a is coupled via second coil springs 92a to the machine frame 22a, for example the carrier plate 46a, and is thus supported in the axial direction is.
  • the second helical springs 92a are preferably arranged in such a way that their longitudinal spring axes F extend essentially parallel to the axis of rotation A of the roller.
  • first coil springs 84a, 86a lying in one plane, for example, on the carrier element 64a or the first coupling regions 76a, 78a, 80a, 82a and on the machine frame 22a or sections 87a and 89a overlapping one another in the direction of the roller axis of rotation A can be provided on the carrier plate 46a.
  • the compactor roller 20a is supported by the first coil springs 84a, 86a essentially for a movement perpendicular to the roller axis of rotation A with respect to the machine frame 22a and can therefore be moved both in the vertical direction V and in the horizontal direction H with respect to the machine frame 22a.
  • one or more coupling rods can be provided, which extend, for example, essentially in the direction of the roller axis of rotation A and are supported on the carrier plate 46a on the one hand and the carrier element 64a on the other, with such coupling rods being elastic in at least one of their end regions are supported, for example via a rubber bearing, in order to allow movement of the compactor roller 20a in the direction of the axis of rotation A of the roller.
  • the carrier element 64b of the roller carrier unit 38b of a respective suspension arrangement 28b has only the two coupling arms 68b and 72b which extend essentially in the vertical direction and have the first coupling regions 76b, 80b provided thereon.
  • Each of these two first coupling regions 76b, 80b is again coupled via two coil springs 84b, 86b to the machine frame 22b or to a support plate 46b provided thereon.
  • the first coil springs 84b, 86b with their respective longitudinal spring axes F not in a plane that is essentially orthogonal to the axis of rotation A of the roller.
  • first coupling areas 76b, 80b and the support areas 88a in which the coil springs 84b, 86b act on the carrier plate 46b or on the machine frame 22b, are offset from one another not only in the circumferential direction about the roller axis of rotation A, but also in the direction of the roller axis of rotation A.
  • the compactor roller 20b is not only supported on the machine frame 22b via the first coil springs 84b, 86b so that it can move in a direction perpendicular to the roller axis of rotation A, but is also supported or centered with respect to it in the direction of the roller axis of rotation A, particularly if on both axial End regions of the compactor roller 22b are used to each other essentially identically constructed suspension arrangements 28b for the suspension of the compactor roller 20b on the machine frame 22b. It can thus in this embodiment on the in the embodiment of Figures 3 to 5 used, essentially in the direction of the roller axis of rotation A extending second coil springs are dispensed with.
  • first coupling regions 76b, 80b are arranged in the vertical direction V above or below the roller axis of rotation A, ie the two coupling arms 68b, 72b extend essentially in the vertical direction V.
  • the coil springs 84b, 86b interacting with these two first coupling regions 76b, 80b can thus be used to efficiently transmit forces acting in the vertical direction in particular, it being assumed that due to the weight of the soil compactor 10, these forces acting and having to be supported in the vertical direction will be significantly greater.
  • this embodiment of a suspension arrangement 28b also ensures that efficient vibration decoupling is achieved via the first coil springs 84b, 86b coupling the compactor roller 20b to the machine frame 22b, so that periodic movements occur in the region of the compactor roller 22b or accelerations are essentially not transmitted to the machine frame 22b.
  • All embodiments of a suspension arrangement for a compactor roller use the advantage that the use of coil springs as the elastic elements transmitting the suspension forces achieves excellent vibration decoupling between the compactor roller and the machine frame that rotatably supports it, but that there is a significant damping effect through the absorption of energy in the elastically deformable elements does not occur.
  • the energy provided in the area of the compactor roller, with which it is to be set into a periodic movement, for example a vibratory movement or vibration acceleration directed essentially in the vertical direction V or an oscillating movement or oscillation acceleration directed essentially in the circumferential direction, can be used essentially completely for the Generation of this movement are used.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Crushing And Grinding (AREA)
EP20176432.1A 2017-01-30 2018-01-25 Bodenverdichter Active EP3722506B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102017101685.6A DE102017101685A1 (de) 2017-01-30 2017-01-30 Bodenverdichter
EP18153430.6A EP3354796B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP19161464.3A EP3517683B1 (de) 2017-01-30 2018-01-25 Bodenverdichter

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP19161464.3A Division-Into EP3517683B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP19161464.3A Division EP3517683B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP18153430.6A Division EP3354796B1 (de) 2017-01-30 2018-01-25 Bodenverdichter

Publications (2)

Publication Number Publication Date
EP3722506A1 EP3722506A1 (de) 2020-10-14
EP3722506B1 true EP3722506B1 (de) 2022-05-18

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EP20176432.1A Active EP3722506B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP19161464.3A Active EP3517683B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP18153430.6A Active EP3354796B1 (de) 2017-01-30 2018-01-25 Bodenverdichter

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EP19161464.3A Active EP3517683B1 (de) 2017-01-30 2018-01-25 Bodenverdichter
EP18153430.6A Active EP3354796B1 (de) 2017-01-30 2018-01-25 Bodenverdichter

Country Status (5)

Country Link
US (1) US10538885B2 (zh)
EP (3) EP3722506B1 (zh)
JP (2) JP6511549B2 (zh)
CN (3) CN208088065U (zh)
DE (1) DE102017101685A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109415879B (zh) * 2016-04-21 2021-03-05 沃尔沃建筑设备公司 用于使压实机的压实滚筒振荡的偏心组件
DE102017101685A1 (de) * 2017-01-30 2018-08-02 Hamm Ag Bodenverdichter
CN111364324B (zh) * 2020-04-16 2024-04-12 无锡城市职业技术学院 一种公路压路机
CN112064459A (zh) * 2020-09-11 2020-12-11 费鑫杰 一种路面用可调节辊轮重量的振动压路机及使用方法

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US2701616A (en) * 1950-02-10 1955-02-08 Gabb Mfg Company Surface roller and motor platform mounting thereon
DE884373C (de) 1951-09-04 1953-07-27 Carl Kaelble Kraftstrassenwalze
US3026781A (en) 1956-06-01 1962-03-27 Scheid Maschinenfabrik Gmbh Road roller
US3052166A (en) 1959-05-14 1962-09-04 Lawrence O Thrun Vibrating compaction roller
JPS4734171Y1 (zh) 1969-04-07 1972-10-16
US3923412A (en) * 1970-09-23 1975-12-02 Albert Linz Drive means for vehicle mounted vibratory compactor
DE2231023A1 (de) * 1972-06-24 1974-01-10 Bopparder Maschinenbau Gmbh Vibrationsverdichter
EP0016872B1 (fr) 1979-04-04 1983-08-03 SOCIETE INDUSTRIELLE ET CHIMIQUE DE L'AISNE, société anonyme Procédé de fabrication d'un trioxyde d'antimoine photostable
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CN202131556U (zh) * 2011-04-12 2012-02-01 常州泰山弹簧有限公司 压路机组合簧
CN202658514U (zh) * 2012-04-09 2013-01-09 长葛市津中建机械有限公司 震动压路机
CN104989758B (zh) * 2015-07-14 2016-10-05 安徽江淮汽车股份有限公司 用于汽车悬架的螺旋弹簧、独立悬架总成及汽车
CN205529813U (zh) * 2016-01-25 2016-08-31 长安大学 一种应用于振动压路机无级调幅装置的相位保持器
CN205893877U (zh) * 2016-07-26 2017-01-18 常州凯得利机械有限公司 一种压实轮自动补偿装置
DE102017101685A1 (de) * 2017-01-30 2018-08-02 Hamm Ag Bodenverdichter

Also Published As

Publication number Publication date
EP3517683B1 (de) 2020-07-15
CN111877098A (zh) 2020-11-03
EP3354796B1 (de) 2020-04-08
EP3722506A1 (de) 2020-10-14
JP2018127881A (ja) 2018-08-16
CN208088065U (zh) 2018-11-13
DE102017101685A1 (de) 2018-08-02
JP2019090323A (ja) 2019-06-13
US10538885B2 (en) 2020-01-21
JP6686196B2 (ja) 2020-04-22
CN108374306B (zh) 2020-10-23
US20180216300A1 (en) 2018-08-02
EP3517683A1 (de) 2019-07-31
EP3354796A1 (de) 2018-08-01
CN108374306A (zh) 2018-08-07
JP6511549B2 (ja) 2019-05-15
CN111877098B (zh) 2022-05-31

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