EP3517683A1 - Rouleau compresseur - Google Patents

Rouleau compresseur Download PDF

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Publication number
EP3517683A1
EP3517683A1 EP19161464.3A EP19161464A EP3517683A1 EP 3517683 A1 EP3517683 A1 EP 3517683A1 EP 19161464 A EP19161464 A EP 19161464A EP 3517683 A1 EP3517683 A1 EP 3517683A1
Authority
EP
European Patent Office
Prior art keywords
roller
machine frame
coupling
coil springs
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.)
Granted
Application number
EP19161464.3A
Other languages
German (de)
English (en)
Other versions
EP3517683B1 (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
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
Priority to EP20176432.1A priority Critical patent/EP3722506B1/fr
Publication of EP3517683A1 publication Critical patent/EP3517683A1/fr
Application granted granted Critical
Publication of EP3517683B1 publication Critical patent/EP3517683B1/fr
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 compressor roller rotatably supported on a machine frame about a roller rotational axis, at least one compacting roller being movably supported in its two axial end portions each via a suspension assembly on the machine frame.
  • soil compactors can be used to improve the compaction efficiency in association with at least one compressor roller of the same devices which generate a periodically acting on the compactor roller force in the compression mode when rolling on a compacting the compacting surface compactor roller.
  • the force may be applied substantially in the vertical direction to cause vibration acceleration of the compacting roller, or may be exerted in the circumferential direction, thereby causing oscillation acceleration of the compacting roller.
  • the compressor rollers are supported at its two axial end portions via a relative movement relative to the machine frame permitting suspensions on the machine frame ,
  • the compressor rollers are supported at its two axial end portions via a relative movement relative to the machine frame permitting suspensions on the machine frame .
  • it is from the EP 0 168 72 A2 known to use pneumatic suspensions.
  • suspensions with elastomeric material constructed, elastically deformable suspension elements.
  • a soil compactor comprising at least one compressor roller rotatably supported on a machine frame about a roller rotation axis, wherein at least one compressor roller is movably supported in its two axial end regions via a suspension assembly on the machine frame, at least one, preferably each Suspension assembly comprises at least one compressor roller movably coupled to the machine frame coil spring.
  • the movement of the compactor roller relative to the machine frame permitted by the suspension arrangement involves a movement substantially transverse to the roller axis of rotation, optionally also in the direction of the roller axis of rotation, ie in addition to the generally present rotatability of the compactor roller Roller rotation axis is permitted relative movement between the compressor roller and the machine frame.
  • coil springs or at least one helical spring are used to allow a relative movement between the compressor roller and the machine frame. It has been recognized that the use of coil springs, on the one hand, achieves suspension substantially inhibiting the transmission of periodically effective forces from the compacting roller to the machine frame, and, on the other hand, the elements used to provide this suspension, ie coil springs, themselves absorb substantially no energy such that the force or energy periodically applied to a compressor roller to enhance compaction efficiency is substantially entirely available in the area of the compressor roller for acceleration or periodic movement thereof. Furthermore, the use of coil springs for the suspension of a compactor roller allows relative movement with respect to the machine frame to a greater extent than is the case, for example, with elastomeric elements such as rubber buffers. which at the same time have the tendency to transfer speed-proportional damping forces to the machine frame.
  • coil springs preferably on train and pressure in the direction of a spring longitudinal resilient, one or more spring coils having springs, in particular springs which have a spring longitudinal axis surrounding spring coils with a non-zero pitch.
  • coil springs can have a radial dimension which remains constant in the direction of the spring longitudinal axis, ie a substantially constant winding radius with respect to the spring longitudinal axis or a substantially constant radius of curvature of the spring coils.
  • such coil springs can be constructed with at least partially varying pitch in the direction of the spring longitudinal axis, and / or can at least partially a varying spring radius with respect to the spring longitudinal axis and thus have a varying radius of curvature of the spring coils, for example, to provide a substantially conical shape of such a coil spring, at which the spring coils expand radially outward in a spiral manner.
  • the at least one suspension assembly comprises a roll support unit, the compressor roll being rotatably supported on the roll support unit about the roll rotation axis, and wherein the roll support unit is at least one of Coil spring is coupled to the machine frame.
  • the roller carrier unit comprises a carrier element that rotatably supports the compressor roller about the roller rotational axis, and that the carrier element is in a plurality of circumferentially spaced around the roller rotational axis mutually arranged first coupling regions is coupled in each case via at least one coil spring to the machine frame.
  • At least one first coupling region preferably a plurality of first coupling regions following one another in the circumferential direction around the roll rotation axis, be provided on the carrier element, and that in at least one , Preferably, each first coupling region, the carrier element via at least two first coil springs is coupled to the machine frame.
  • at least one pair of diametrically opposed with respect to the roller rotation axis of the first coupling regions is provided on the support element.
  • At least one pair of first coupling regions at each of the two first coupling regions, two first coil springs may extend approximately parallel to each other and in opposite directions, starting from a respective first coupling region, and / or at least one A pair of first coupling portions at each of the first two coupling portions, two first coil springs bent from a respective first coupling portion to each other and extend in the opposite direction.
  • a pair of first coupling regions with mutually approximately parallel extending first coil springs and a pair of first coupling portions are provided with mutually angled first coil springs, wherein preferably the first coupling regions of the one pair of first coupling regions and the first coupling regions of the other pair of first coupling regions are arranged alternately successively in the circumferential direction, and / or wherein, preferably, the first coupling regions are interposed with mutually angled first helical springs in Vertical direction are approximately arranged one above the other and the first coupling regions with each other approximately parallel extending coil springs in the vertical direction approximately at the same height.
  • first coil springs have substantially no forces to transmit in the direction of the roller rotation axis. It is proposed that at least a part of the, preferably all, first coil springs are arranged with spring longitudinal axes lying in at least one plane substantially orthogonal to the roller rotation axis.
  • the carrier element is coupled in at least one second coupling region via at least one second coil spring to the machine frame, and that a spring longitudinal axis of the at least one second coil spring not in a roll rotation axis in Substantially orthogonal plane lies, wherein preferably the spring longitudinal axis of at least one, preferably of all second coil springs extends substantially in the direction of the roll rotation axis.
  • the first coil springs are supported on the machine frame in each case in a support region, and in that the support regions have a different radial distance to the roll axis of rotation, as the coupled by these first coil springs with the machine frame first coupling region.
  • a device for generating a substantially periodic acceleration, preferably oscillation acceleration and / or vibration acceleration, can be provided in the compressor roller.
  • a generally denoted by 10 ground compressor is shown, which at a rear carriage 12 a cab 14 and by an unillustrated drive unit, which may also be provided on the rear carriage 12, for advancing the soil compactor 10 drivable wheels 16.
  • a for driving the soil compactor 10 with the rear carriage 12 about a substantially vertical axis pivotally connected front end 18 includes a compressor roller 20 embracing machine frame 22 extending substantially in a direction of movement of the soil compactor 10 and between the compressor roller 20 receiving longitudinal frame sections 24.
  • a first embodiment of a generally designated 28 suspension assembly for the compressor roller 20 is in the Fig. 1 and 2 shown.
  • axial end portion 30 of the compressor roller 20 shown that this has a roll axis A cylindrical and circular contour surrounding roll shell 32.
  • a roll disk 34 generally also referred to as a blank, can be provided in the roll shell 32.
  • a drive motor 36 may be supported, through which the compressor roller 20 for rotation about the roller rotation axis A can be driven.
  • This structure can be provided in particular if, unlike in Fig. 9 illustrated, the soil compactor 10 also has a compressor roller on the rear carriage and at least one of the compressor rollers is to be driven for rotation.
  • the drive motor for the substituted described device 26 may be provided to drive unbalance masses thereof for rotation about respective axes of rotation.
  • the suspension assembly 28 includes a roller support unit, generally designated 38, on which the compressor roller 20 is rotatably supported about the roller rotation axis A, for example via the traction motor 36 or a bearing member provided on the roller disc 34.
  • the roller carrier unit 38 comprises a first carrier element 40, on which the compressor roller 20 is rotatably supported about the roller rotational axis A.
  • the roller carrier unit 38 further comprises a second carrier element 42 which is pivotally supported in a first coupling region 44 on the machine frame 22 about an axis substantially parallel to the roller rotational axis A.
  • a support plate 46 may be provided or supported on the machine frame 22, on which the second support member 42 is pivotally supported.
  • a second coupling region 48 the second carrier element 42 is coupled via a coil spring 50 to the machine frame 22, for example the carrier plate 46.
  • a support region 52 can be provided on the machine frame 22 or the support plate 46, on which one of the two end regions of the coil spring 50 engages, while the other of the two end regions of the coil spring 50 acts on the second coupling region 48 of the second support element 42.
  • the first carrier element 40 is pivotally connected to the second carrier element 42 in a third coupling region 54.
  • the third coupling region 54 lies in a longitudinal direction of extension of the second carrier element 42 between the first coupling region 44 and the second coupling region 48, which are respectively provided at end regions of the second carrier element 42.
  • the third coupling region 44 substantially diametrically opposite fourth coupling region 56 engages a coil spring 58 with one of its end portions on the first support member 40 at.
  • the other end region of the helical spring 48 acts on a support region 60, which is likewise provided, for example, on the carrier plate 46 or on the machine frame 42, so that the first carrier element 40 and thus the compressor roller 20 are 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 region 56 and also the roller rotational axis are positioned in the vertical direction V over the third coupling region 54. This means that even under the action of gravity there is no essential tilting moment for pivoting the first carrier element 40 relative to the second carrier element 42. Rather, due to the fact that the machine frame 22 is attached to the compactor roller 20 via the pair of coupled support members 40, 42, the roller support unit 38 assumes a condition in which the two support members 40, 42 correspond to each other in a state of minimum potential energy Relativschwenklage are.
  • the compressor roller 20 can perform a relative movement with respect to the machine frame 22 substantially in the vertical direction V while compressing or expanding the coil spring 50, while under compression or expansion of the coil spring 58, the compressor roller 20 with respect to the machine frame 22 substantially a movement in the horizontal direction H can perform.
  • horizontal direction H can be understood as a direction which is essentially parallel to the substrate U to be compacted
  • vertical direction V can be understood as a direction which is substantially orthogonal to the substrate U to be compacted is.
  • FIG. 3 to 5 An alternative embodiment of a suspension arrangement is in the Fig. 3 to 5 shown.
  • Fig. 3 to 5 are components or assemblies, which correspond to components or assemblies described above in terms of construction or function, with the same reference numeral with the addition of Annex "a".
  • the suspension arrangement 28a comprises a roller support unit 38a which supports the compressor roller 20a so as to be rotatable about the roller rotation axis A and has a carrier element 64a designed in a substantially cross-shaped manner.
  • a roller support unit 38a which supports the compressor roller 20a so as to be rotatable about the roller rotation axis A and has a carrier element 64a designed in a substantially cross-shaped manner.
  • the compressor roller 20 rotatably supporting body portion 66a
  • four coupling arms 68a, 70a, 72a, 74a extend at a mutual angular distance of about 90 ° to each other, so that the coupling arms 68a and 72a are arranged with respect to the roller rotation axis A diametrically opposite each other.
  • the coupling arms 70a, 74a are arranged diametrically opposite one another with respect to the roller rotation axis A.
  • a first coupling area 76a, 78a, 80a, 82a is formed in each case.
  • 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 two coil springs 84a, 86a by means of which the first coupling region 76a positioned at the top in the vertical direction is coupled to the machine frame 22a, are arranged with spring longitudinal axes F which are angled toward one another. which is equally true for the first coupling region 80a positioned in the vertical direction at the lowest position on the machine frame 22a coupling coil springs 84a, 86a.
  • the coil springs 84a, 86a which in each case couple to the machine frame 22a, are essentially also spring axes F, which are essentially parallel to one another continuing to be arranged.
  • first coil springs 84a, 86a with which they are connected to the first coupling portions 76a, 78a, 80a, 82a, and the end portions of these first coil springs 84a, 86a, with which these to respective support portions 88a of the machine frame and the support plate 46a are connected, thus have in the direction of the roller rotation axis A substantially no offset from each other.
  • first coil springs 84a, 86a are thus essentially provided and suitable for compressing the roller 20a with respect to the machine frame 22a in the case of deflections perpendicular to the roller rotation axis A. support.
  • second coupling regions 90a are provided on the carrier element 64a, for example at the central body region 66a, 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 thus supported in the axial direction is.
  • the second coil springs 92a are preferably arranged such that their spring longitudinal axes F extend essentially parallel to the roller rotational axis A.
  • each second coil spring 92a may be provided with a uniform circumferential distance from each other.
  • first coil springs 84a, 86a for example on the carrier element 64a or the first coupling regions 76a, 78a, 80a, 82a and on the machine frame 22a or the carrier plate 46a, respectively, one another in the direction of the roll rotation axis A overlapping portions 87a and 89a may be provided.
  • the compressor roller 20a is supported by the first coil springs 84a, 86a substantially for movement perpendicular to the roller rotation axis A with respect to the machine frame 22a and thus movable in both the vertical direction V and the horizontal direction H with respect to the machine frame 22a.
  • the defined axial positioning and in particular the transmission of axially acting forces, that is, for example, the steering forces, essentially takes place via the second coil springs 92a.
  • one or more coupling rods extending substantially in the direction of the roller rotation axis A may be provided, which are supported on the support plate 46a on the one hand and the support 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 to allow movement of the compacting roller 20a in the direction of the roller rotation axis A.
  • FIG. 6 to 8 A modification of the in the Fig. 3 to 5 illustrated embodiment of a suspension assembly is in the Fig. 6 to 8 shown.
  • Components which correspond to components described above in terms of design or function, with the same reference numeral with the addition of an appendix "b".
  • the carrier element 64b of the roller carrier unit 38b of a respective suspension arrangement 28b has only the two essentially vertically extending coupling arms 68b and 72b with 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 a support plate 46b provided thereon.
  • the first coil springs 84b, 86b with their respective spring longitudinal axes F are not in a plane substantially orthogonal to the roller rotation axis A.
  • first coupling portions 76b, 80b and the support portions 88a in which the coil springs 84b, 86b engage the support plate 46b and the machine frame 22b are offset from each other 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 via the first coil springs 84b, 86b not only in a direction perpendicular to the roll axis A on the machine frame 22b movably supported, but is also supported with respect to this in the direction of the roller rotation axis A or centered, especially if at both axial End portions of the compressor roller 22b to each other substantially identically constructed suspension assemblies 28b are used for the suspension of the compressor roller 20b on the machine frame 22b. It can thus in this embodiment on the in the embodiment of the Fig. 3 to 5 used, extending substantially in the direction of the roll axis A extending second coil springs.
  • each suspension assembly 28b has only four first coil springs 84b, 86b and no second coil springs are used in total.
  • the two first coupling regions 76b, 80b are arranged in the vertical direction V above or below the roller rotation axis A, the two coupling arms 68b, 72b thus extend substantially in the vertical direction V.
  • All of the embodiments of a suspension arrangement for a compressor roller according to the invention have the advantage that the use of coil springs as elastic forces transmitting the suspension forces achieves excellent vibration decoupling between the compactor roller and the machine frame rotatably supporting it, but that a substantial damping effect is achieved by absorption of energy in the elastically deformable elements does not occur.
  • the energy provided in the region of the compressor roller with which it is to be put into periodic motion ie for example a vibration movement or vibration acceleration substantially in the vertical direction V or an oscillation acceleration or oscillation acceleration directed essentially in the circumferential direction, can be substantially completely for the Generation of this movement can be used.
  • the first coil springs or at least a part thereof may also be arranged such that their spring longitudinal axes are not exactly in a plane substantially orthogonal to the roller rotation axis. In this way, these first coil springs can 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)
EP19161464.3A 2017-01-30 2018-01-25 Rouleau compresseur Active EP3517683B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20176432.1A EP3722506B1 (fr) 2017-01-30 2018-01-25 Engin de compactage de sol

Applications Claiming Priority (2)

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

Related Parent Applications (2)

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20176432.1A Division EP3722506B1 (fr) 2017-01-30 2018-01-25 Engin de compactage de sol
EP20176432.1A Division-Into EP3722506B1 (fr) 2017-01-30 2018-01-25 Engin de compactage de sol

Publications (2)

Publication Number Publication Date
EP3517683A1 true EP3517683A1 (fr) 2019-07-31
EP3517683B1 EP3517683B1 (fr) 2020-07-15

Family

ID=61027556

Family Applications (3)

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

Family Applications After (2)

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

Country Status (5)

Country Link
US (1) US10538885B2 (fr)
EP (3) EP3517683B1 (fr)
JP (2) JP6511549B2 (fr)
CN (3) CN108374306B (fr)
DE (1) DE102017101685A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364324A (zh) * 2020-04-16 2020-07-03 无锡城市职业技术学院 一种新型公路压路机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10487461B2 (en) * 2016-04-21 2019-11-26 Volvo Construction Equipment Ab Eccentric assembly for oscillating a compacting drum of a compacting machine
DE102017101685A1 (de) * 2017-01-30 2018-08-02 Hamm Ag Bodenverdichter
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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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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US2701616A (en) * 1950-02-10 1955-02-08 Gabb Mfg Company Surface roller and motor platform mounting thereon
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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
US5104257A (en) * 1989-06-02 1992-04-14 Construcciones Maquinaria Obras Publicas Lebrero, S.A. Vibration insulation system in compactors
DE9212166U1 (de) * 1992-09-09 1994-01-20 Joseph Vögele AG, 68163 Mannheim Einbaubohle für einen Straßenfertiger
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)

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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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364324A (zh) * 2020-04-16 2020-07-03 无锡城市职业技术学院 一种新型公路压路机
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

Also Published As

Publication number Publication date
CN108374306B (zh) 2020-10-23
JP2018127881A (ja) 2018-08-16
CN108374306A (zh) 2018-08-07
JP6686196B2 (ja) 2020-04-22
DE102017101685A1 (de) 2018-08-02
CN208088065U (zh) 2018-11-13
CN111877098A (zh) 2020-11-03
EP3722506B1 (fr) 2022-05-18
EP3354796B1 (fr) 2020-04-08
EP3517683B1 (fr) 2020-07-15
CN111877098B (zh) 2022-05-31
US20180216300A1 (en) 2018-08-02
EP3354796A1 (fr) 2018-08-01
EP3722506A1 (fr) 2020-10-14
JP2019090323A (ja) 2019-06-13
US10538885B2 (en) 2020-01-21
JP6511549B2 (ja) 2019-05-15

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