EP3722506A1 - Engin de compactage de sol - Google Patents

Engin de compactage de sol Download PDF

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Publication number
EP3722506A1
EP3722506A1 EP20176432.1A EP20176432A EP3722506A1 EP 3722506 A1 EP3722506 A1 EP 3722506A1 EP 20176432 A EP20176432 A EP 20176432A EP 3722506 A1 EP3722506 A1 EP 3722506A1
Authority
EP
European Patent Office
Prior art keywords
roller
machine frame
coupling
compactor
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.)
Granted
Application number
EP20176432.1A
Other languages
German (de)
English (en)
Other versions
EP3722506B1 (fr
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
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Filing date
Publication date
Application filed by Hamm AG filed Critical Hamm AG
Publication of EP3722506A1 publication Critical patent/EP3722506A1/fr
Application granted granted Critical
Publication of EP3722506B1 publication Critical patent/EP3722506B1/fr
Active legal-status Critical Current
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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
    • 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
    • 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, at least one compactor roller being movably supported in its two axial end regions via a suspension arrangement on the machine frame.
  • the same devices in order to improve the compaction efficiency in association with at least one compactor roller, the same devices can be used which, in compaction operation, generate a force acting periodically on the compactor roller when the compactor roller is rolling on a ground to be compacted.
  • the force can be exerted essentially in the vertical direction, so that a vibratory acceleration or vibratory movement of the compactor roller is caused, or can be exerted in the circumferential direction, so that an oscillatory acceleration or oscillatory movement of the compactor roller is caused.
  • the compactor rollers are supported at their two axial end areas 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. From the U.S. 5.71.6.162 It is known to use suspensions with elastically deformable suspension elements made of elastomer material.
  • a soil compactor comprising at least one compactor roller rotatably supported on a machine frame about a roller axis of rotation, 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 helical spring movably coupling the compactor roller to the machine frame.
  • the movement of the compactor roller permitted by the suspension arrangement with respect to the machine frame is a movement essentially transverse to the roller axis of rotation, possibly also in the direction of the roller axis of rotation, i.e. in addition to the basically existing rotatability of the compactor roller around the Roller axis of rotation is permitted relative movement between the compactor roller and the machine frame.
  • helical springs or at least one helical spring are used to enable a relative movement between the compressor 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 compressor roller to the machine frame, while on the other hand the elements used to provide this suspension, i.e. helical springs, themselves essentially do not absorb any energy so that the force periodically exerted on a compactor roller to improve the compaction efficiency or the energy used for this is essentially completely available in the area of the compactor roller for acceleration or for generating a periodic movement of the same.
  • coil springs for the suspension of a compactor roller enables 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 proportional to the speed to the machine frame.
  • springs with one or more spring coils that are resilient to tension and compression in the direction of a longitudinal spring axis are considered as helical springs, in particular springs which have spring coils surrounding a longitudinal spring axis with a pitch different from zero.
  • helical springs can have a constant radial dimension in the direction of the spring's longitudinal axis, that is to say an essentially constant coil radius with respect to the spring's longitudinal axis 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 some areas in the direction of the spring longitudinal axis, and / or can at least in some areas have a varying spring radius with respect to the spring longitudinal axis and thus a varying radius of curvature of the spring coils, for example to provide a substantially conical shape of such a helical spring which the spring coils expand radially outwards in a spiral manner.
  • the at least one suspension arrangement comprises a roller support unit, the compression roller being rotatably supported on the roller support unit about the roller rotation axis, and the roller support unit via at least one Helical spring is coupled to the machine frame.
  • the roller carrier unit comprises a carrier element that supports the compactor roller rotatably about the roller axis of rotation, and that the carrier element in a plurality of circumferentially spaced about the roller axis of rotation mutually arranged first coupling areas is each coupled to the machine frame via at least one helical spring.
  • At least one first coupling area preferably a plurality of first coupling areas following 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 area the carrier element is coupled to the machine frame via at least two first coil springs.
  • at least one pair of first coupling areas diametrically opposite one another with respect to the roller axis of rotation is provided on the carrier element.
  • two first helical springs extend approximately parallel to one another and in opposite directions, starting from a respective first coupling area, and / or extend in at least one pair from first coupling areas on each of the two first coupling areas, are angled to one another and in opposite directions.
  • An embodiment is particularly advantageous in which a pair of first coupling areas with first helical springs extending approximately parallel to one another and a pair of first coupling areas with first helical springs angled to one another are provided on a carrier element, preferably the first coupling areas of one pair of first coupling areas and the first coupling areas of the other pair of first coupling areas are arranged alternately one behind the other in the circumferential direction, and / or wherein preferably the first coupling areas with first helical springs angled to one another in FIG 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 are approximately at the same height in the vertical direction.
  • first helical springs are arranged with at least one longitudinal spring axis 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 area via at least one second helical spring, and that a longitudinal spring axis of the at least one second helical spring is not in a direction relative to the axis of rotation of the roller Substantially orthogonal plane, wherein the spring longitudinal axis of at least one, preferably all of the second helical springs extends substantially in the direction of the roller axis of rotation.
  • 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 is shown, generally designated 10, which has a driver's cab 14 on a rear carriage 12 and wheels 16 which 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 that is pivotably connected to the rear carriage 12 about a substantially vertical axis for steering the soil compactor 10 comprises a machine frame 22 encompassing a compactor roller 20 with essentially extending in a direction of movement of the soil compactor 10 and between them Longitudinal frame sections 24 accommodating the compressor roller 20.
  • the compressor roller 20 is supported or suspended in its two axial end regions, here axially in relation to a roller axis of rotation about which the compressor roller 20 is rotatably supported on the machine frame 22, via suspension arrangements described in more detail below that the compactor roller 20 can execute a relative movement with respect to the machine frame 22.
  • a relative mobility enables a vibration decoupling between the compactor roller 20 and the machine frame 22, which is of substantial importance in particular when an in Fig. 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 to generate 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 need not be described in more detail.
  • suspension arrangements with which the compactor roller 20 is supported or suspended on the machine frame 22 and which, due to the relative mobility made possible between the compactor roller 20 and the machine frame 22, provide a vibration decoupling between the compactor roller 20 and the machine frame 22, so that in the area of the Vibrations generated by the compressor roller 20 are essentially not transmitted to the machine frame 22 and thus to the front carriage 18 or the rear carriage 22.
  • the compacting roller 20 is preferably supported or suspended on the machine frame 20 in its two axial end regions via suspension arrangements of essentially identical design. In principle, however, suspension arrangements that are designed differently from one another could also be used at the two axial end regions of the compactor roller 20. The following is the Design of such suspension arrangements each described with reference to a suspension arrangement provided on one of the two axial end regions of a compactor roller 20.
  • FIGS Figs. 1 and 2 A first embodiment of a suspension arrangement, generally designated 28, for the compactor roller 20 is shown in FIGS Figs. 1 and 2 shown.
  • a roller disk 34 In the axial end region 30, a roller disk 34, generally also referred to as a round blank, can be provided in the roller shell 32.
  • a traction motor 36 can be carried on this roller disk 34, by means of which the compacting roller 20 can be driven to rotate about the roller axis of rotation A.
  • This structure can be provided in particular if, unlike in FIG Fig.
  • the soil compactor 10 also has a compactor roller on the rear vehicle and at least one of the compactor rollers is to be driven to rotate. If the soil compactor 10 has the in Fig. 9 illustrated drive wheels 16, it is not necessary to assign the compressor roller 20 itself its own traction motor. Nevertheless, the drive motor for the device 26 described above can then be provided on or in the compressor roller 20 in order to drive the unbalanced masses of the same for rotation about respective axes of rotation.
  • the suspension arrangement 28 comprises a roller support 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 roller axis of rotation A.
  • the roller support unit 38 further comprises 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 that is essentially parallel to the roller axis of rotation A.
  • a carrier plate 46 can be provided on the machine frame 22 or be supported on which the second support member 42 is pivotally supported.
  • 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 helical spring 50 engages, while the other of the two end areas of the helical spring 50 engages 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 area 54.
  • the third coupling area 54 lies in a direction of longitudinal extent of the second carrier element 42 between the first coupling area 44 and the second coupling area 48, which are each provided on end areas of the second carrier element 42.
  • a helical spring 58 engages with one of its end areas on the first carrier element 40.
  • the other end area of the helical spring 48 engages a support area 60 which is also provided, for example, on the support plate 46 or on the machine frame 42, so that the first support element 40 and thus the compressor 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 compactor roller 20 can execute a relative movement with respect to the machine frame 22 essentially in the vertical direction V with compression or expansion of the helical spring 50, while the compression roller 20 essentially with respect to the machine frame 22 when the helical spring 58 is compressed or expanded can perform a movement in the horizontal direction H.
  • the horizontal direction H can be understood to be a direction which is essentially parallel to the subsoil U to be compacted
  • the vertical direction V can be understood to be 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 compressor roller 20 in any desired direction essentially orthogonal to the roller axis of rotation A, while in the direction of the roller axis of rotation A via the roller carrier unit 38, the compressor roller 20 is defined with respect to the compression or expansion of the two helical springs 50, 58 Machine frame 22 is supported. This ensures that transverse forces, that is, 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 being steered.
  • FIGs. 3 to 5 An alternative embodiment of a suspension arrangement is shown in Figs. 3 to 5 shown.
  • Figs. 3 to 5 are components or assemblies, the components or assemblies described above in terms of structure or function, denoted by the same reference number with the addition of the appendix "a".
  • the suspension arrangement 28a comprises a roller carrier unit 38a which supports the compactor roller 20a rotatably about the roller axis of rotation A and has a substantially cross-shaped carrier element 64a.
  • a roller carrier unit 38a which supports the compactor roller 20a rotatably about the roller axis of rotation A and has a substantially cross-shaped carrier element 64a.
  • four coupling arms 68a, 70a, 72a, 74a extend at a mutual angular distance of approximately 90 ° from one another, so that the coupling arms 68a and 72a are arranged diametrically opposite one another with respect to the roller rotation axis A.
  • the coupling arms 70a, 74a are arranged diametrically opposite one another with respect to the roller axis of rotation A.
  • 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 to the carrier plate 46a provided thereon by means of two helical springs 84a, 86a.
  • the helical springs 84a, 86a coupling these to the machine frame 22a have essentially parallel spring longitudinal axes F and thus essentially each other as well arranged to be continued.
  • the positioning of the helical springs 84a, 86a, in particular cooperating with the first coupling regions 76a, 80a, obliquely with respect to the horizontal direction H enables a drive torque to be transmitted with a large lever between the compactor roller 20a and the machine frame 22a.
  • forces acting in the vertical direction V can be efficiently transmitted.
  • first helical springs 84a, 86a with which they are connected to the first coupling areas 76a, 78a, 80a, 82a, and the end areas of these first helical springs 84a, 86a, with which they are attached to respective support areas 88a of the machine frame or the carrier plate 46a are connected, thus have essentially no offset to one another in the direction of the roll axis of rotation A.
  • first helical springs 84a, 86a are therefore 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 roller axis of rotation A.
  • second coupling areas 90a are provided on the carrier element 64a, for example on the central body area 66a thereof, in which the carrier element 64a is coupled to the machine frame 22a, for example the carrier plate 46a, via second helical springs 92a 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 helical springs 84a, 86a lying in one plane for example on the carrier element 64a or the first coupling areas 76a, 78a, 80a, 82a and on the machine frame 22a or the support plate 46a may be provided with portions 87a and 89a overlapping one another in the direction of the roller axis of rotation A.
  • the compressor roller 20a is supported by the first helical springs 84a, 86a essentially for a movement perpendicular to the roller axis of rotation A with respect to the machine frame 22a and thus movable both in the vertical direction V and in the horizontal direction H with respect to the machine frame 22a.
  • one or more coupling rods for example extending essentially in the direction of the roller axis of rotation A, can be provided, which are supported on the carrier plate 46a on the one hand and the carrier element 64a on the other hand, such coupling rods being elastic in at least one of their end regions , for example via a rubber bearing, are supported in order to allow a movement of the compactor roller 20a in the direction of the roller axis of rotation A.
  • the carrier element 64b of the roller carrier unit 38b of a respective suspension arrangement 28b only has the two coupling arms 68b and 72b extending essentially in the vertical direction with the first coupling regions 76b, 80b provided thereon.
  • Each of these two first coupling areas 76b, 80b is again coupled via two helical springs 84b, 86b to the machine frame 22b or to a carrier 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 roll axis of rotation A.
  • first coupling areas 76b, 80b and the support areas 88a in which the helical 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 rotation axis A, but also in the direction of the roller rotation axis A.
  • the compressor roller 20b is not only movably supported in a direction perpendicular to the roller rotation axis A on the machine frame 22b via the first helical springs 84b, 86b, but is also supported or centered in relation to this in the direction of the roller rotation axis A, in particular if it is both axial End regions of the compactor roller 22b, essentially identical to one another, suspension arrangements 28b can be used for suspending the compactor roller 20b on the machine frame 22b. In this embodiment, it can therefore relate to that in the embodiment of Figs. 3 to 5 used, essentially in the direction of the roller axis of rotation A extending second coil springs can be dispensed with.
  • first coupling areas 76b, 80b are arranged in the vertical direction V above or below the roller axis of rotation A; that is, the two coupling arms 68b, 72b extend essentially in the vertical direction V.
  • the helical springs 84b, 86b that interact with these two first coupling areas 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 in the vertical direction and to be supported will be significantly greater.
  • All embodiments of a suspension arrangement for a compressor roller use the advantage that the use of helical springs as the elastic elements transmitting the suspension forces achieves excellent vibration decoupling between the compressor roller and the machine frame that rotates 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 compressor roller, with which it is to be set into a periodic movement for example a vibration movement or vibration acceleration directed substantially in the vertical direction V or an oscillation movement or oscillation acceleration directed substantially in the circumferential direction, can be essentially completely used for the Generation of this movement can be used.
  • the first helical springs can preferably be loaded both in compression and in tension.
  • the first helical springs or at least a part thereof can also be arranged such that their longitudinal axes of the springs do not lie exactly in a plane that is essentially orthogonal to the axis of rotation of the roller. In this way, these first helical springs can also contribute to an axial centering of the compressor roller.

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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 Engin de compactage de sol Active EP3722506B1 (fr)

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 (fr) 2017-01-30 2018-01-25 Rouleau compresseur
EP19161464.3A EP3517683B1 (fr) 2017-01-30 2018-01-25 Rouleau compresseur

Related Parent Applications (3)

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

Publications (2)

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

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ID=61027556

Family Applications (3)

Application Number Title Priority Date Filing Date
EP18153430.6A Active EP3354796B1 (fr) 2017-01-30 2018-01-25 Rouleau compresseur
EP19161464.3A Active EP3517683B1 (fr) 2017-01-30 2018-01-25 Rouleau compresseur
EP20176432.1A Active EP3722506B1 (fr) 2017-01-30 2018-01-25 Engin de compactage de sol

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Application Number Title Priority Date Filing Date
EP18153430.6A Active EP3354796B1 (fr) 2017-01-30 2018-01-25 Rouleau compresseur
EP19161464.3A Active EP3517683B1 (fr) 2017-01-30 2018-01-25 Rouleau compresseur

Country Status (5)

Country Link
US (1) US10538885B2 (fr)
EP (3) EP3354796B1 (fr)
JP (2) JP6511549B2 (fr)
CN (3) CN108374306B (fr)
DE (1) DE102017101685A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3445913B1 (fr) * 2016-04-21 2019-10-16 Volvo Construction Equipment AB Tambour de compactage comprenant un ensemble excentrique pour oscillation du tambour de compactage d'une machine de compactage
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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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
EP0016872A1 (fr) 1979-04-04 1980-10-15 SOCIETE INDUSTRIELLE ET CHIMIQUE DE L'AISNE, société anonyme Procédé de fabrication d'un trioxyde d'antimoine photostable
US5716162A (en) 1995-12-28 1998-02-10 Lord Corporation Dual-stage mounting system for vibratory compactor drum

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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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0016872A1 (fr) 1979-04-04 1980-10-15 SOCIETE INDUSTRIELLE ET CHIMIQUE DE L'AISNE, société anonyme Procédé de fabrication d'un trioxyde d'antimoine photostable
US5716162A (en) 1995-12-28 1998-02-10 Lord Corporation Dual-stage mounting system for vibratory compactor drum

Also Published As

Publication number Publication date
EP3354796B1 (fr) 2020-04-08
US20180216300A1 (en) 2018-08-02
EP3354796A1 (fr) 2018-08-01
DE102017101685A1 (de) 2018-08-02
JP6686196B2 (ja) 2020-04-22
CN108374306A (zh) 2018-08-07
JP6511549B2 (ja) 2019-05-15
JP2019090323A (ja) 2019-06-13
JP2018127881A (ja) 2018-08-16
EP3517683A1 (fr) 2019-07-31
CN208088065U (zh) 2018-11-13
EP3517683B1 (fr) 2020-07-15
CN111877098B (zh) 2022-05-31
EP3722506B1 (fr) 2022-05-18
CN111877098A (zh) 2020-11-03
US10538885B2 (en) 2020-01-21
CN108374306B (zh) 2020-10-23

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