EP1049834B1 - Dispositif de securite pour les elements de commande d'un rouleau de compactage du sol a commande manuelle - Google Patents

Dispositif de securite pour les elements de commande d'un rouleau de compactage du sol a commande manuelle Download PDF

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Publication number
EP1049834B1
EP1049834B1 EP99903613A EP99903613A EP1049834B1 EP 1049834 B1 EP1049834 B1 EP 1049834B1 EP 99903613 A EP99903613 A EP 99903613A EP 99903613 A EP99903613 A EP 99903613A EP 1049834 B1 EP1049834 B1 EP 1049834B1
Authority
EP
European Patent Office
Prior art keywords
coupling
drive lever
roller
safety
safety arrangement
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.)
Expired - Lifetime
Application number
EP99903613A
Other languages
German (de)
English (en)
Other versions
EP1049834A1 (fr
Inventor
Hermann Schennach
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.)
Wacker Construction Equipment AG
Original Assignee
Wacker Construction Equipment 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 Wacker Construction Equipment AG filed Critical Wacker Construction Equipment AG
Publication of EP1049834A1 publication Critical patent/EP1049834A1/fr
Application granted granted Critical
Publication of EP1049834B1 publication Critical patent/EP1049834B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01C19/282—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows self-propelled, e.g. with an own traction-unit
    • E01C19/283—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows self-propelled, e.g. with an own traction-unit pedestrian-controlled, e.g. with safety arrangements for operator
    • 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
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/262—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles pedestrian-controlled, e.g. with safety arrangements for operator
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20049—Transmission controlled by flexible cable
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]

Definitions

  • the invention relates to a safety arrangement for a hand-held soil compaction roller.
  • rollers for pedestrian operation the operator runs after the roller and overrides it a handle attached to a drawbar, which is a driving lever for the Setting the driving speed and direction carries.
  • the roller will usually via a hydraulic unit in the forward and backward direction, that means moving towards the operator.
  • a safety arrangement is used in such soil compaction rollers to advance the roller turn off when the roller reverses, d. that is, in the direction of the Operator's roller moves and the operator no longer moves backwards move or the roller can not avoid.
  • This problem can for example, occur when the operator reverses with the roller an obstacle is running, panicking and forgetting to stop the roller or move in the opposite direction.
  • an actuator is therefore provided through which it can be registered that the roller against an obstacle, for example the operator drives.
  • the safety instructions point for this purpose, a control element that is between an operating position and a dangerous position movable and when touched by the operator the operating position can be moved to the dangerous position and thereby the roller brings to a standstill.
  • a safety arrangement is known from OS-DE 41 29 915 A1, in which the driving speed and direction can be adjusted using a driving lever.
  • the guide of the roller is vertical via an additional, lever-like swiveling handle causes from a swiveled basic position can be swung down into a working position in which its free In the end, it is still clearly above the horizontal defined by its pivot axis located. Otherwise, by swinging down the handle Travel levers held in the zero position by spring loading the desired deflected position fixed positively.
  • swiveling up of the handle for example when touching an obstacle
  • the form-fitting connection is made automatically by the handle lifted, whereby the drive lever is spring-loaded in the zero position arrives and brings the roller to a standstill. Moving the roller in opposite directions Direction is possible by further actuation of the drive lever.
  • EP-A-0 593 063 is a control device for a vibratory roller known, which is an emergency shutdown device for stopping the travel drive in the event of danger.
  • the emergency shutdown device a button which, in a dangerous situation, drives the drive switches for a temporary reversal of the direction of travel.
  • the invention has for its object a safety arrangement for to specify a handheld soil compactor roller that is a reliable
  • the roller can also be stopped when the operator presses the drive lever holds on convulsively, and on the other hand also drives forward allows the roller away from the operator when the safety arrangement has been triggered by driving the roller against the operator.
  • the safety arrangement in addition to the known, often designed as a claw coupling first coupling between a driving lever and one connected to a control line Adjustment element provided a second coupling.
  • the first coupling is through Relocation of a safety control element from an operational to a dangerous position solvable.
  • the second coupling remains, can but only transmit forces from the control lever to the control element when the Driving lever is moved in the forward direction.
  • This has the advantage that at Driving the roller against an obstacle and actuating the safety control through the obstacle, e.g. B. the operator's body, the first coupling is lifted, whereby the actuating element is spring-loaded in the zero position arrives and brings the roller to a standstill.
  • the second coupling preferably also has a positive coupling on, in which the control element carries a driver against which one the drive lever provided stop can be struck. This ensures that only forces in one direction, namely the forward direction are transferable to the roller.
  • a hand bracket 2 On a on a drawbar, not shown, of a soil compaction roller attached holding plate 1, a hand bracket 2 is attached, via which the soil compacting roller is feasible in a conventional manner.
  • a driving lever 3 In the curvature of the Hand bracket 2, a driving lever 3 is pivotally arranged on an axis of rotation 4.
  • the driving lever 3 carries an extension 5, designed to be embraced by the operator at the same time can, if the operator holds the hand strap 2.
  • the drive lever 3 is in Swiveling forward or backward direction, which is indicated by arrows V and R is marked.
  • a first coupling that can be seen in particular in FIG. 3 and serves as the first coupling Claw clutch 6 is the movement of the driving lever 3 on an actuating element 7 transferable.
  • the actuating element 7 can also be pivoted on the axis of rotation 4 arranged and at a lever end 8 with the end of a as Control line serving actuator 9 pivotally coupled.
  • Actuation 9 designed as a Bowden cable is a drive, not shown controllable for the roller.
  • the drive is usually a hydraulic pump, the pumping capacity of which is by means of actuation 9 is adjustable.
  • 9 can be used for actuation, for example a control linkage can also be used.
  • the actuating element 7 is provided on one side with the claw coupling 6 and is acted on the other side by a spring 10, which is is supported against a shoulder 11 on the axis of rotation 4.
  • a safety actuator is also arranged, the essentially from a baffle 12, a plunger 13 and a guide 14 exists.
  • the baffle 12 is firmly connected to the plunger 13 and is by a spring 15 supported against the guide 14 in an operating position held in which the control by the safety actuator is not being affected.
  • the plunger 13 is axially movable in the guide 14 added so that the plunger 13 with the baffle 12 from the operating position against the action of the spring 15 in a dangerous position is when the impact pot 12 z. B. against the body of the operator or another Obstacle drives.
  • the danger position is shown in Figure 2. It can be seen that the Baffle 12 with the plunger 13 in the forward direction V of the roller, d. H. in Direction of the dog clutch 6 has been shifted. By intrusion a conical tip 16 formed on the plunger 13 between the two Halves of the dog clutch 6, d. H. between the actuator 7 and the Driving lever 3, the actuator 7 against the action of the spring 10 axially relocated, whereupon the dog clutch 6 disengages. Thereby the flow of force between the drive lever 3 and the control element 7 is canceled.
  • the actuating element 7 is by a spring device, not shown acted on in such a way that it is not loaded by the drive lever 3 automatically pivoted to the zero position, which corresponds to a standstill of the roller.
  • Figure 5 shows the drive lever 3 in the forward position and the safety control with the baffle 12 in the operating position. Accordingly, Figure 6 shows the Driving lever 3 in reverse position. The position of the drive lever 3 is about the respectively closed claw coupling 6 on the control element 7 and Actuator 9 transmitted so that reliable control of the roller drive is possible.
  • Figure 7 shows a state in which the roller is in the reverse position located driving lever 3 was first in reverse and then An obstacle has been determined via the baffle 12.
  • the plunger 13 is has been pushed against the dog clutch 6 and has released it. Accordingly has the spring-biased actuator 7 in the zero position pivoted and the drive stopped via the actuation 9.
  • the machine is in the state shown in Figure 7 at a standstill.
  • the safety arrangement can of course also except for rollers can be used with other machines that are operated in pedestrian mode become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Soil Working Implements (AREA)

Claims (7)

  1. Dispositif de sécurité pour un rouleau de compactage du sol guidé à la main, comportant
    un levier de marche (3) déterminant le sens et la vitesse de marche déplaçable vers l'avant (V) et vers l'arrière (R) dans le sens de marche du rouleau ;
    un élément de réglage (7), accouplé par un premier accouplement (6) au levier de marche (3), pour la transmission de la position du levier de marche à un dispositif d'actionnement (9), l'élément de réglage (7) étant précontraint, lorsqu'il n'est pas sollicité par le levier de marche (3), dans une position centrale correspondant à la vitesse de marche zéro ;
    un élément de réglage de sécurité (12, 13) déplaçable entre une position de fonctionnement et une position de danger, et précontraint en position de fonctionnement, au moyen duquel, en position de danger, le premier accouplement (6) peut être séparé ;
    caractérisé par
    un deuxième accouplement (17, 18) du levier de marche (3) et de l'élément de réglage (7) au moyen duquel, lorsque le premier accouplement (6) est séparé, des forces ne peuvent être transmises qu'en cas de déplacement vers l'avant du levier de marche (3).
  2. Dispositif de sécurité selon la revendication 1, caractérisé en ce que le premier et/ou le deuxième accouplements comportent un accouplement par complémentarité de forme.
  3. Dispositif de sécurité selon la revendication 2, caractérisé en ce que le premier accouplement (6) comporte un accouplement à griffes.
  4. Dispositif de sécurité selon la revendication 3, caractérisé en ce que l'élément de réglage (7) peut coulisser axialement sur un axe de rotation (4) du levier de marche (3) à l'encontre de l'effet d'un ressort (10).
  5. Dispositif de sécurité selon la revendication 4, caractérisé en ce que l'élément de réglage (7) est déplaçable axialement sous l'effet de l'élément de réglage de sécurité (12, 13), de manière que l'accouplement à griffes s'ouvre lorsque l'élément de réglage de sécurité (12, 13) atteint sa position de danger.
  6. Dispositif de sécurité selon l'une des revendications précédentes, caractérisé en ce que le deuxième accouplement (17, 18) comporte un entraíneur sur l'élément de réglage (7) contre lequel vient buter une butée prévue sur le levier de marche (3).
  7. Dispositif de sécurité selon la revendication 6, caractérisé en ce que la butée est un tenon fixé au levier de marche (3) qui s'étend parallèlement à l'axe de rotation (4) du levier de marche (3).
EP99903613A 1998-01-20 1999-01-08 Dispositif de securite pour les elements de commande d'un rouleau de compactage du sol a commande manuelle Expired - Lifetime EP1049834B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19802007A DE19802007C1 (de) 1998-01-20 1998-01-20 Sicherheitsanordnung für die Bedienungselemente einer handgeführten Bodenverdichtungswalze
DE19802007 1998-01-20
PCT/EP1999/000079 WO1999037862A1 (fr) 1998-01-20 1999-01-08 Dispositif de securite pour les elements de commande d'un rouleau de compactage du sol a commande manuelle

Publications (2)

Publication Number Publication Date
EP1049834A1 EP1049834A1 (fr) 2000-11-08
EP1049834B1 true EP1049834B1 (fr) 2003-04-02

Family

ID=7855158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99903613A Expired - Lifetime EP1049834B1 (fr) 1998-01-20 1999-01-08 Dispositif de securite pour les elements de commande d'un rouleau de compactage du sol a commande manuelle

Country Status (6)

Country Link
US (1) US6382383B1 (fr)
EP (1) EP1049834B1 (fr)
JP (1) JP3980830B2 (fr)
DE (2) DE19802007C1 (fr)
ES (1) ES2193682T3 (fr)
WO (1) WO1999037862A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7416365B2 (en) * 2003-06-18 2008-08-26 Mikasa Sangyo Co., Ltd. Safety device for backward movement of vibration roller
US7194929B2 (en) * 2003-12-01 2007-03-27 Jungheinrich Aktiengesellschaft Pole for hand pallet truck
GB2411565B (en) * 2004-03-03 2007-02-21 Grey Technology Ltd Trimming apparatus
DE102004042058A1 (de) * 2004-08-31 2006-03-02 Bomag Gmbh Sicherheitsvorrichtung für eine Vibrationsplatte
SE527879C2 (sv) * 2004-11-30 2006-07-04 Dynapac Compaction Equip Ab Tryckbygel
US20100124476A1 (en) * 2008-11-14 2010-05-20 Darryl Berlinger Cylinder cart having a retention hook
US9334612B2 (en) 2013-10-04 2016-05-10 Wacker Neuson Production Americas Llc Control lever assembly for walk-behind compaction roller
EP3006624B1 (fr) 2014-10-06 2019-07-03 Wacker Neuson Production Americas LLC Ensemble de levier de commande pour appareil de rouleau de compactage à pied
JP6371239B2 (ja) * 2015-02-27 2018-08-08 株式会社日立建機カミーノ ハンドガイドローラ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147818A (en) * 1962-06-08 1964-09-08 Rotary Hoes Ltd Reverse-drive safety device for a walktype tractor or cultivator
DE3215391A1 (de) * 1982-04-24 1983-10-27 Wacker-Werke Gmbh & Co Kg, 8077 Reichertshofen Walze zur bodenverdichtung mit hydrostatischem fahrantrieb
DE8402033U1 (de) * 1984-01-25 1984-04-26 Dynapac Maskin AB, 17122 Solna Selbstfahrende handgeführte Maschine
DE3432083A1 (de) * 1984-08-31 1986-03-06 Behringwerke Ag, 3550 Marburg Pasteurisierte, isoagglutininfreie faktor viii-praeparation und verfahren zu ihrer herstellung
JPS62199821U (fr) * 1986-06-10 1987-12-19
DE4129915A1 (de) * 1991-04-03 1992-10-08 Weber Maschinentechnik Gmbh Sicherheitsanordnung fuer die bedienungselemente einer handgefuehrten, zur verdichtung des untergrundes vorgesehenen kraftbetriebenen walze
DE59305486D1 (de) 1992-10-14 1997-03-27 Meflex Telecontrol Gmbh & Co Steuereinrichtung für eine handgeführte Arbeitsmaschine mit Fahrantrieb

Also Published As

Publication number Publication date
JP2002501135A (ja) 2002-01-15
ES2193682T3 (es) 2003-11-01
JP3980830B2 (ja) 2007-09-26
DE19802007C1 (de) 1999-11-11
DE59904842D1 (de) 2003-05-08
US6382383B1 (en) 2002-05-07
EP1049834A1 (fr) 2000-11-08
WO1999037862A1 (fr) 1999-07-29

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