US3108519A - Device for the transmission of rotary motion to vibrating members with simultaneous damping of the vibrations - Google Patents

Device for the transmission of rotary motion to vibrating members with simultaneous damping of the vibrations Download PDF

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Publication number
US3108519A
US3108519A US835864A US83586459A US3108519A US 3108519 A US3108519 A US 3108519A US 835864 A US835864 A US 835864A US 83586459 A US83586459 A US 83586459A US 3108519 A US3108519 A US 3108519A
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Prior art keywords
roller
vibrating
ring
rings
pneumatic
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Expired - Lifetime
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US835864A
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English (en)
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Domenighetti Domenico
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/04—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube
    • F16D25/042—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube the elastic actuating member rotating with the clutch
    • F16D25/044—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube the elastic actuating member rotating with the clutch and causing purely axial movement
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/80—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive in which a fluid is used
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/80—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive in which a fluid is used
    • F16D3/82—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive in which a fluid is used with a coupling element in the form of a pneumatic tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/051—Sprue removal

Definitions

  • the vibrating self-moving compressing roller This type of machine consists in a body or frame, the fore part of which supports the guiding wheel or wheels, the steering group, the seat for the driver, the engine and at one end of said frame the vibrating mechanism.
  • This vibrating mechanism generally consists of a metallic cylinder set into vibration by a suitable exciter generating the vibrations which cylinder transmits the vibrations to the ground on which it rests.
  • a vibrating self-propelled compressing roller must obviously carry out a transition which results in an independent displacement during the working phase as well as during the travel from one place of Work to the next besides vibrating the ground upon which it rests.
  • the device forming the object of the present invention designed to transmit a rotary movement to vibrating members in such manner that the vibration be not transmitted to the main frame and to all the elements connected to the latter, is characterized by at least one resilient, toroidally shaped ring provided with an internal cavity filled with a uid, said ring being engaged by at least two rigid bodies, each of which is subdivided into 3,1085 i9 Patented Oct.
  • ICC portions which, after being assembled approximately assume the geometric form of bodies of rotation surrounding the ring filled with the fluid, compressing same at the same time.
  • the portions of one of said rigid bodies are mounted on the non-vibrating elements of the machine, while the portions of the other rigid body are mounted on the vibrating elements, to which latter the torque applied to the portions of the rst rigid body is transmitted by way of the said Huid-filled ring.
  • the object of the device according to the present invention is to solve both the above mentioned problems by using hollow rings of elastic material containing more or less compressed gases or fluids. Invparticular these pneumatic rings may be similar to those used in the car industry. In some cases it will be even convenient to use the pneumatic tires actually used on cars and motorcycles. This fact renders the devices, forming the object of the present invention, very economic and easy to maintain.
  • the lluid-lled rings as used in the devices according to the present invention take advantage of the elasticity of the air or of other gases.
  • FIG. 1 is a diagrammatic side view of a self-propelled vibrating road roller according to the present invention.
  • FIG. 2A is a side view of a pneumatic ring.
  • FIG. 2B is a section through a portion of a pneumatic damping ring.
  • FIG. 3 is an axial horizontal section through a portion of the self-propelled vibrating roller.
  • FIG. 4 is an axial horizontal section through a portion of a self-propelled vibrating roller yshowing a different fastening system of the vibrating drum and of the rigid frame yto the rigid elements surrounding the pneumatic ring.
  • FIG. 5A is an axial 'horizontal section through a portion of the self-propelled vibrating roller provided with a vibration damping system allowing the transmission of a torque without producing tangential friction forces at the contact surfaces between each pneumatic ring and fthe rigid elements surrounding it.
  • FIG. 5B is a vertical section along the line A-A of FIG. 5A.
  • FIG. 6 is an axial horizontal section (similar to the one of FIG. 5A) of an embodiment showing a diiferent solution for the transmission of the torque.
  • FIG. 7A is an axial horizontal section of the vibrating self-propelled roller wherein lthe pneumatic rings are disposed on different vertical plans.
  • FIG. 7B is a vertical section along the line B-B of FIG. 7A.
  • FIG. SA is an axial horizontal section through a portion of the vibrating roller provided with a damping device for the transmission of the torque wherein a part of the transmission gears is mounted on the vibrating drum and vibrates with the latter.
  • FIG. 8B is a vertical section along the line C-C of FIG. 8A.
  • FIG. 9A is an axial horizontal section through fa device similar to the one of FIG. 8A, having the pneumatic rings disposed outside of the vibrating drum.
  • FIG. 9B is a vertical section along the line D--D of FIG. 9A.
  • FIGS. 10A and 10B respectively show a horizontal and a vertical section along the line X-X of another embodiment wherein some pneumatic rings are mounted parallel to the axis of the vibrating drum.
  • the vibrating self-propelled road roller shown in FIG. l comprises a rigid body or frame l, one or two guiding wheels 2, a steering group 3, a ⁇ seat 4 for the driver, an engine 5, a vibrating tamping mechanism 6, a counterweight 7.
  • the device for the damping of vibrations and the transmission of rotary motion to a vibrating member according to the present invention comprises as basic elements (FIGS. 2A and 2B) one or more toroidally shaped pneumatic rings 8 suitably mounted on rigid elements 9 and 10 generally of metal having the geometric shape of Iso-called bodies of rotation.
  • rigid elements 9 and 19 consist of portions or sectors, designed for positively fastening and gripping after assembly, the pneumatic ring 8, thus preventing any sliding or slipping between the surface of the ring 8 and the surface (usually of metal) of each of the rigid elements 9 and 10, said rigid elements being distinct and separate and only connected to each other by way of the pneumatic ring intermediately placed between them.
  • FIGURES 2A and 2B diagrammatically show a pneumatic ring 8 and the relatively rigid members 9 and 10 applied to the said rin-g which in this case is a conventional car-tire containing an ⁇ inner tube 11.
  • pneumatic rings of other shape, consisting of other elastic material than rubber.
  • the rigid member 10 consists in this case of a normal tire-rim of the type used on cars and motor-cycles.
  • FIG. 3 shows a most simple device according to the present invention for the damping of vibrations and simultaneous transmission of rotary motion to a vibrating member, said device being designed to solve this double problem in the oase of a self-propelled vibrating compressing road roller.
  • FIG. 3 diagrammatically shows a section taken along the horizontal plane comprising the geometrical axis of the vibrating drum.
  • the vibrating drum 13 rigidly bears the exciter 14, generating the vibrations.
  • the said vibrating drum 13 is fixed to the rigid member 9 surrounding the pneumatic ring 8.
  • the rim 10 surrounded by the inner part of the pneumatic ring 8 is rigidly mounted on the shaft 15 rotatably supported by means of bearings 16 on the main frame 17 of the machine.
  • a gear 18 also is keyed to the shaft 15, sai-d gear 18 engaging the chain 19 driven by the engine.
  • FIG. 4 shows a similar device for the damping of the vibrations and transmission of the torque from a vibrating member to a non-vibrating element except for the fact that in this case the vibrating drum 13 is fixed to the rigid body 10 (rim), while the shaft 15 is fixed to the rigid body 9 externally surrounding the pneumatic ring 8.
  • This second solution shown in FIG. 4 is practically equivalent to the one shown in FIG. 3 and the choice between these two solutions is generally determined by the practical constructive requirements of the various members.
  • FIGS. 3 and 4 and sequ. do not show the other side of the vibrating drum nor the way this end is held in position.
  • Various solutions are possible in this case and can be taken from the devices shown in the gures. It is suflicient to think that iat the non-represented end the problem of transmitting the torque does not exist and itis therefore suflicient to solve the problem of the damping of the vibrations.
  • One possible solution is to realiz/e at the non represented end of the drum a device identical to the one shown in FIG. 3 except for the gear 18 and the chain 19 which can be omitted.
  • the transmission yof the torque is effected by means of the tangential friction forces arising between the pneumatic ring 8 and the rigid members 9 and 10 surrounding and compressing the said ring.
  • the said tangential friction forces may be substantially increased by conveniently profiling the contact Surfaces ie. by providing the latter with ridges, facets, notchings and so on.
  • FIGS. 5A and 5B wherein a portion of a self-propelled vibrating compressing roller is shown having a vibrating drum 13, an exciter 14, a shaft 15, bearings 16, a frame 17, a gear 1S and a chain 19 driving said gear.
  • the shaft 15 is xed to a plate 20 on which four penumatic rings 8 ⁇ are mounted (the number of these pneumatic rings could be chosen at will to be two, three or more than four).
  • FIG. 6 shows a solution similar to the one of FIG. 5A except for the fact tha-t a speed reduction group with consequent multiplication of the torque is provided on the frame 17 in close proximity to the vibrating drum 13.
  • the shaft 15 bears a gear 22 keyed thereon engaging a wheel pinion 21 mounted on a countershaft 23.
  • the gear 18, driven by the chain 19, is keyed on said countershaft 23 and transmits the torque generated by the engine.
  • FIGS. 7A and 7B respectively show in horizontal and vertical section a device similar to the yone shown in FIGS. 5 and 6 except for the fact that the pneumatic rings 8 are arranged on diiierent planes so as to have a more compact group which may be placed within the inner part of a vibrating drum having a small diameter.
  • the plate 20 carries small studs 24- of diiierent lengths for xing the said plate 29 to the rims lo of the pneumatic rings 8.
  • the transmission of the torque is eifected through the studs 24 without having tangential friction forces on the Contact surfaces between the pneumatic rings 3 and the rigid bodies 9 and 11i surrounding them.
  • the damping of vibration and the simultaneous transmission of the torque to a vibrating member is eiected by a device shown in horizontal and vertical section in FIGS. 8A land 8B, wherein all the el-ements having similar functions are indicated by the same reference numerals used in the preceding iigures.
  • the vibrating drum 13 is in this case set into vibration by an exciter 14 which may be driven by the main engine of the machine in various ways (not shown) as for example by V belts or by electric means.
  • a box 25 is arranged for keeping the bearings 26 mounted on the end of the vibrating drum 13 ⁇ for the transmission of the torque, the said bearings 26 forming a rotating connection ⁇ and engaging a projection 27 of the vibrating drum.
  • a gear 18 contained in the box 25 is keyed on said projection 27, and engages a pinion keyed on the counter shaft 29, which is rotatably arranged in the box 25.
  • the gear 1S, driven by the chain 19, is mounted on the outside of the box 25 but it is also keyed on the countershaft 29.
  • the box 25 is kept in its position by the pneumatic rings 8, the rigid elements 9 of which 4are fixed to the plate 30 solidly connected with the box 25. The latter is therefore capable to vibrate together with the drum, while its rotation is impaired by the pneumatic rings 8.
  • the countershaft 29 and the gear 18 on it also vibrate since they are mounted on the box 25. However since they are in an eccentric position with respect to the geometric axis of the vibrating drum they transmit to the chain 19 a very much reduced vibrational power, which is of an allowable magnitude.
  • the box 25 is subjected to twisting reactions, which are counteracted by the pneumatic rings 8 in the form ⁇ of. forces which are directed radially with respect to them.
  • the rims of the rings 8 are fixed by means of studs 31 to the main frame 17.
  • FIGS. 10A and 10B show a further embodiment wherein several pneumatic rings 8 are disposed in planes parallel to the axis of the vibrating drum 13 and are mounted as idlers on a transversal axis 32.
  • a roller structure comprising a vehicle body; a vibrating roller; and a connection at each end of the roller mounting the roller for rotation with respect to the vehicle body and for limiting the transmission of vibration ⁇ from the roller to the body; one of said connections comprising a pair of pneumatic toroidal rings each having an outer peripheral face and an inner peripheral face spaced apart perpendicularly with respect to the center axis of the toroidal ring, the axes of the toroidal rings being parallel with the axis lof rotation of the roller and spaced-apart therefrom; a first member for each toroidal ring operatively connecting one peripheral face of the toroidal ring with the body; a second member operatively connecting the other peripheral face of each toroidal ring with plate means located between the body and roller; said first and second members being overlapped in spaced-apart relationship with a toroidal ring therebetween; a shaft connected to the roller extending outwardly therefrom and rotatably mounted on said plate means; and means for
  • a roller structure comprising -a vehicle body; a vibrating roller; and a connection mounting t'he roller for rotation with respect to the vehicle body and for limiting lthe transmission ⁇ of vibration from the roller to the body; said connection comprising three pneumatic toroidal rings each having an outer peripheral face and an inner peripheral face spaced apart perpendicularly with respect to the center Iaxis of the toroidal ring; the axes of two of the toroidal rings being coaxially aligned and generally perpendicular to the axis of rotation of the roller; the axis of the other toroidal ring being coaxially aligned with the axis rotation of the roller; rst means for operatively connecting one of the peripheral faces of each toroidal ring to the roller; second means for operatively connecting the other peripheral face of each toroidal ring with the body and rotatable about an axis coaxial with the axis of rotation of the roller; said iii-st and second means having portions overlapped in spaced-

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Friction Gearing (AREA)
US835864A 1958-08-28 1959-08-25 Device for the transmission of rotary motion to vibrating members with simultaneous damping of the vibrations Expired - Lifetime US3108519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6336558A CH365099A (it) 1958-08-28 1958-08-28 Macchina presentante almeno un organo rotante vibrante

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US (1) US3108519A (it)
AT (1) AT208386B (it)
BE (1) BE582049A (it)
CH (1) CH365099A (it)
FR (1) FR1233488A (it)
GB (1) GB1262762A (it)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269284A (en) * 1964-03-23 1966-08-30 Pactor Corp Shock absorbing wheel
US3411420A (en) * 1967-06-08 1968-11-19 Tampo Mfg Company Vibratory earth roller
US3437019A (en) * 1967-05-31 1969-04-08 Hyster Co Vibratory compactor
US3516341A (en) * 1968-03-18 1970-06-23 Hyster Co Vibratory compactor
US3554101A (en) * 1968-09-19 1971-01-12 Caterpillar Tractor Co Support bearing for compactor cleaner bar frame
US3788757A (en) * 1970-02-05 1974-01-29 South African Inventions Impact roller apparatus
US4043694A (en) * 1975-06-16 1977-08-23 Scientific Engineering, Inc. Vibratory compactor
US4269536A (en) * 1979-11-19 1981-05-26 Ingersoll-Rand Company Shock isolation means for an earth compactor drum
EP0168572A3 (en) * 1984-06-15 1987-04-01 SIMESA Socièta Italiana Montaggi e Servizi Affini S.p.A. Pneumatic integral polygonal suspension for vibrating tamping machines
EP0636746A1 (en) * 1993-07-27 1995-02-01 Caterpillar Paving Products Inc. Vibratory compactor having vibrationally tuned frame
US20160040674A1 (en) * 2014-08-05 2016-02-11 Kabushiki Kaisha Toyota Jidoshokki Electric compressor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535418A1 (fr) * 1982-11-02 1984-05-04 Cossec Thierry Accouplement permanent elastique de type pneumatique pour entrainement rotatif direct de deux machines entre elles
IT1292046B1 (it) 1997-05-30 1999-01-25 Niarb S A Sospensione pneumatica perfezionata per rulli costipatori vibranti
CN120291418B (zh) * 2025-06-06 2025-08-19 山西省交通新技术发展有限公司 一种路桥工程用路面压实装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1802148A (en) * 1927-03-09 1931-04-21 Schuyler C Hatfield Flexible shaft connection
GB406374A (en) * 1933-04-12 1934-03-01 Peter Wilson Forrest Resilient coupling or cushioning devices
US2153465A (en) * 1938-08-26 1939-04-04 Hardy Spicer & Co Ltd Flexible transmission coupling
US2633719A (en) * 1948-05-29 1953-04-07 Morse Chain Co Coupling for misaligned shafts
US2641910A (en) * 1948-11-05 1953-06-16 Morse Chain Co Flexible mounting for propeller fans
US2671386A (en) * 1950-04-24 1954-03-09 Stothert & Pitt Ltd Vibrating roller
US2704968A (en) * 1951-05-22 1955-03-29 Anciens Ets Albaret Pneumatically suspended road roller wheel
FR1101776A (fr) * 1954-03-24 1955-10-11 Materout Rouleau compresseur perfectionné
US2852286A (en) * 1951-05-07 1958-09-16 U S Universal Joints Company Resilient bushing for ball-and-socket type bearing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1802148A (en) * 1927-03-09 1931-04-21 Schuyler C Hatfield Flexible shaft connection
GB406374A (en) * 1933-04-12 1934-03-01 Peter Wilson Forrest Resilient coupling or cushioning devices
US2153465A (en) * 1938-08-26 1939-04-04 Hardy Spicer & Co Ltd Flexible transmission coupling
US2633719A (en) * 1948-05-29 1953-04-07 Morse Chain Co Coupling for misaligned shafts
US2641910A (en) * 1948-11-05 1953-06-16 Morse Chain Co Flexible mounting for propeller fans
US2671386A (en) * 1950-04-24 1954-03-09 Stothert & Pitt Ltd Vibrating roller
US2852286A (en) * 1951-05-07 1958-09-16 U S Universal Joints Company Resilient bushing for ball-and-socket type bearing
US2704968A (en) * 1951-05-22 1955-03-29 Anciens Ets Albaret Pneumatically suspended road roller wheel
FR1101776A (fr) * 1954-03-24 1955-10-11 Materout Rouleau compresseur perfectionné

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269284A (en) * 1964-03-23 1966-08-30 Pactor Corp Shock absorbing wheel
US3437019A (en) * 1967-05-31 1969-04-08 Hyster Co Vibratory compactor
US3411420A (en) * 1967-06-08 1968-11-19 Tampo Mfg Company Vibratory earth roller
US3516341A (en) * 1968-03-18 1970-06-23 Hyster Co Vibratory compactor
US3554101A (en) * 1968-09-19 1971-01-12 Caterpillar Tractor Co Support bearing for compactor cleaner bar frame
US3788757A (en) * 1970-02-05 1974-01-29 South African Inventions Impact roller apparatus
US4043694A (en) * 1975-06-16 1977-08-23 Scientific Engineering, Inc. Vibratory compactor
US4269536A (en) * 1979-11-19 1981-05-26 Ingersoll-Rand Company Shock isolation means for an earth compactor drum
EP0168572A3 (en) * 1984-06-15 1987-04-01 SIMESA Socièta Italiana Montaggi e Servizi Affini S.p.A. Pneumatic integral polygonal suspension for vibrating tamping machines
US4655636A (en) * 1984-06-15 1987-04-07 Simesa - Societa Italiana Montaggi E Servizi Affini S.P.A. Pneumatic integral polygonal suspension for vibrating tamping machines
EP0636746A1 (en) * 1993-07-27 1995-02-01 Caterpillar Paving Products Inc. Vibratory compactor having vibrationally tuned frame
US20160040674A1 (en) * 2014-08-05 2016-02-11 Kabushiki Kaisha Toyota Jidoshokki Electric compressor

Also Published As

Publication number Publication date
CH365099A (it) 1962-10-31
AT208386B (de) 1960-04-11
GB1262762A (en) 1972-02-09
FR1233488A (fr) 1960-10-12
BE582049A (fr) 1960-12-16

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