DE1021730B - Hydro-pneumatic stabilizing and cushioning device for vehicles - Google Patents

Hydro-pneumatic stabilizing and cushioning device for vehicles

Info

Publication number
DE1021730B
DE1021730B DED20104A DED0020104A DE1021730B DE 1021730 B DE1021730 B DE 1021730B DE D20104 A DED20104 A DE D20104A DE D0020104 A DED0020104 A DE D0020104A DE 1021730 B DE1021730 B DE 1021730B
Authority
DE
Germany
Prior art keywords
air cushion
vehicles
wheel
vehicle frame
stabilizing
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.)
Pending
Application number
DED20104A
Other languages
German (de)
Inventor
Walter Ebert
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.)
Demag Zug GmbH
Original Assignee
Demag Zug GmbH
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
Priority to BE546229D priority Critical patent/BE546229A/xx
Application filed by Demag Zug GmbH filed Critical Demag Zug GmbH
Priority to DED20104A priority patent/DE1021730B/en
Priority to CH340714D priority patent/CH340714A/en
Priority to GB2776059A priority patent/GB835107A/en
Priority to GB668156A priority patent/GB835106A/en
Publication of DE1021730B publication Critical patent/DE1021730B/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/10—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces not permanently interconnected, e.g. operative only on acceleration, only on deceleration or only at off-straight position of steering
    • B60G21/103—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces not permanently interconnected, e.g. operative only on acceleration, only on deceleration or only at off-straight position of steering longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/005—Suspension locking arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/06—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid
    • B60G21/067—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid between wheels on different axles on the same side of the vehicle, i.e. the left or the right side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/104—Suspension devices for wheels, rollers, bogies or frames
    • B62D55/112—Suspension devices for wheels, rollers, bogies or frames with fluid springs, e.g. hydraulic pneumatic
    • B62D55/1125—Hydro-pneumatic or pneumatic, e.g. air-cushioned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
    • F16F9/081—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall being of the fluid displacement type, i.e. the piston not comprising damping arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Description

Es ist bekannt, bei Fahrzeugen zwischen den Achsenden und dem Fahrzeugrahmen aus Zylinder und Kolben bestehende hydraulische Kraftgeräte anzuordnen, die untereinander durch eine absperrbare Leitung verbunden sind. Durch das Abschließen der Leitung wird eine starre Verbindung zwischen den Achsen und dem Fahrzeugrahmen geschaffen und damit die Kippsicherheit des Fahrzeuges erhöht, was z. B. bei fahrbaren Kranen und Feuerwehrleitern notwendig ist, bevor diese in Betrieb genommen werden.It is known in vehicles between the axle ends and the vehicle frame from cylinder and Piston to arrange existing hydraulic power devices, which are interlocked by a lockable Line are connected. Closing the line creates a rigid connection between the Axes and the vehicle frame created and thus increases the stability of the vehicle, which z. B. is necessary for mobile cranes and fire brigade ladders before they are put into operation.

Andererseits ist es bekannt, bei einem Straßenfahrzeug ein als Radfederung dienendes Luftpolster mit einem oder mehreren hydraulischen Kraftgeräten zu verbinden, die zwischen den Radachsen und dem Fahrzeugrahmen angeordnet sind. Hier dienen diese Kraftgeräte dazu, den Raddruck auf das entfernt angeordnete Luftpolster zu übertragen.On the other hand, it is known to have an air cushion serving as a wheel suspension in a road vehicle one or more hydraulic power devices to connect between the wheel axles and the vehicle frame are arranged. Here, these strength machines are used to reduce the wheel pressure on the remotely located Transfer air cushions.

Die Erfindung benutzt eine derartige Radfederung zugleich für die Achsblockierung und schafft damit eine einfache und betriebssichere Einrichtung für fahrbare Krane oder andere, einer Kippgefahr unterliegende Fahrzeuge.The invention uses such a wheel suspension at the same time for the axle locking and thus creates a simple and reliable device for mobile Cranes or other vehicles that are prone to tipping over.

Sind die Kraftgeräte jeder Fahrbahnseite untereinander durch eine Ausgleichsleitung verbunden, dann wird an jede dieser Leitungen ein solches Luftpolster angeschlossen und erfindungsgemäß dort, wo an diese Leitungen die zu den Luftpolstern führenden Abzweigleitungen angeschlossen sind, je ein Absperrorgan eingeschaltet, durch das die Kraftgeräte vom Luftpolster getrennt und gleichzeitig zu starren Verbindungsmitteln zwischen den Radachsenden und dem Fahrzeugrahmen gemacht werden.If the power equipment on each side of the road is connected to one another by a compensating line, then such an air cushion is connected to each of these lines and, according to the invention, where to this Lines the branch lines leading to the air cushions are connected, a shut-off device is switched on, through which the power equipment from the air cushion separated and at the same time rigid connecting means between the wheel axle ends and the vehicle frame be made.

Nach einem anderen Vorschlag der Erfindung wird jedem Kraftgerät ein Luftpolster zugeordnet und die Verbindungsleitung zwischen beiden Bauteilen absperrbar gemacht. In diesem Falle wird zweckmäßig der Zylinder nach oben hin verlängert und in dem dadurch geschaffenen Raum, der von dem eigentlichen Zylinderraum durch eine Wand mit verschließbarer Durchtrittsöffnung getrennt ist, der elastische Hohlkörper angeordnet.According to another proposal of the invention, each strength device is assigned an air cushion and the Connection line between the two components made lockable. In this case it will be expedient the cylinder is extended upwards and in the space created by it, that of the actual The cylinder space is separated by a wall with a closable passage opening, the elastic hollow body arranged.

In der Zeichnung ist je eine Ausführungsform der beiden Lösungsgedanken dargestellt.In the drawing, one embodiment of each of the two ideas is shown.

Abb. 1 zeigt eine Anordnung für den Fall, daß die Kraftgeräte jeder Fahrbahnseite miteinander durch eine absperrbare Leitung verbunden sind;Fig. 1 shows an arrangement for the case that the power equipment each side of the road with each other a closable line are connected;

Abb. 2 zeigt ein Kraftgerät mit in diesem angeordnetem Luftpolster.Fig. 2 shows a strength machine with an air cushion arranged in it.

Bei dem Ausführungsbeispiel nach Abb. 1 sind die Kraftgeräte 1, 2 bzw. 3, 4 jeder Fahrbahnseite durch eine bei 5 bzw. 6 absperrbare Leitung 7 bzw. 8 miteinander verbunden. An die als Mehrwegehähne ausgebildeten Absperrmittel 5, 6 sind über die Leitungen 9,10 die Behälter 11,12 angeschlossen, in denen Hydropneumatisch arbeitende Stabilisier- und Abfederungsvorrichtung für FahrzeugeIn the embodiment according to Fig. 1, the power devices 1, 2 and 3, 4 are through each side of the road a line 7 or 8, which can be shut off at 5 or 6, is connected to one another. To those trained as multi-way taps Shut-off means 5, 6 are connected via lines 9,10, the containers 11,12 in which Hydropneumatic stabilizing and cushioning device for vehicles

Anmelder:
Demag-Zug G.m.b.H., Wetter/RuhrApplicant:
Demag-Zug GmbH, Wetter / Ruhr

Walter Ebert, Hagen (Westf.),
ist als Erfinder genannt wordenWalter Ebert, Hagen (Westphalia),
has been named as the inventor

die luftgefüllten elastischen Hohlkörper 13,14 angeordnet sind. Bei geöffneten Leitungen 7, 8 vermag die Flüssigkeit aus den Druckräumen der Zylinder in die Behälter 11,12 einzutreten und gegen die Hohlkörper 13,14 zu wirken, die je nach der Belastung des Fahrzeuges mehr oder weniger zusammengedrückt werden. Auf diese Weise wird eine Relativbewegung zwischen den Kolben und den Zylindern der Kraftgeräte ermöglicht und somit die gleiche Wirkung wie durch die sonst üblichen Fahrzeugfedern erreicht. Werden die Leitungen 7, 8 mit Hilfe der Absperrmittel 5, 6 geschlossen, dann vermag das Druckmittel weder von einem zum anderen Zylinder überzutreten noch auf die Luftpolster zu wirken, so daß zwischen den Fahrzeugachsen und dem Fahrzeugrahmen eine starre Verbindung geschaffen wird.the air-filled elastic hollow bodies 13, 14 are arranged. When the lines 7, 8 are open, the liquid can enter the containers 11, 12 from the pressure chambers of the cylinders and act against the hollow bodies 13, 14, which are more or less compressed depending on the load on the vehicle. In this way, a relative movement between the pistons and the cylinders of the power devices is made possible and thus the same effect is achieved as with the otherwise common vehicle springs. If the lines 7, 8 are closed with the aid of the shut-off means 5, 6, the pressure medium can neither pass from one cylinder to the other nor act on the air cushions, so that a rigid connection is created between the vehicle axles and the vehicle frame.

Bei dem Ausführungsbeispiel nach Abb. 2 ist der Zylinder 15 nach oben hin verlängert. In dem auf diese Weise entstehenden Raum 16 ist der mit Luft gefüllte elastische Hohlkörper 17 angeordnet. Die Trennwand 15 a zwischen den beiden Zylinderräumen weist eine durch den Hahn 18 verschließbare Öffnung 15 b auf. Solange diese geöffnet ist, vermag die vom Kolben 19 beeinflußte Flüssigkeit gegen den Hohlkörper zu drücken. Auf diese Weise wird eine Relativbewegung zwischen dem Kolben und dem Zylinder ermöglicht, die der Federwirkung gleichkommt. Wird hingegen die öffnung 15 b geschlossen, dann ergibt sich eine starre Verbindung zwischen Kolben und Zylinder und damit zwischen Achse und Fahrzeugrahmen.In the embodiment according to Fig. 2, the cylinder 15 is extended towards the top. In the space 16 created in this way, the elastic hollow body 17 filled with air is arranged. The partition 15 a between the two cylinder chambers has an opening 15 b that can be closed by the cock 18. As long as this is open, the fluid influenced by the piston 19 is able to press against the hollow body. In this way, a relative movement between the piston and the cylinder is made possible, which is equivalent to the spring effect. If, however, the opening 15 b is closed, then there is a rigid connection between piston and cylinder and thus between the axle and vehicle frame.

Claims (3)

PATENTANSPRÜCHE:PATENT CLAIMS: 1. Hydropneumatisch arbeitende Stabilisier- und Abfederungsvorrichtung für Fahrzeuge mit zwischen den Radachsenden und dem Fahrzeugrahmen angeordneten, aus Zylinder und Kolben bestehenden hydraulischen Kraftgeräten, von denen die Raddrücke auf ein Luftpolster durch absperrbare1. Hydropneumatic stabilizing and cushioning device for vehicles with between the ends of the wheel axles and the vehicle frame, consisting of cylinders and pistons hydraulic power equipment, of which the wheel pressures on an air cushion through lockable 709 846/310709 846/310 Leitungen übertragen werden, dadurch gekennkennzeichnet, daß durch das in der Verbindungsleitung (7) zwischen den Kraftgeräten (1, 2) und beim Anschluß der hydraulischen Kraftübertragung (9) zum Luftpolster (13) angeordnete Absperrorgan (5) die Kraftgeräte vom Luftpolster getrennt und gleichzeitig in an sich bekannter Weise zu starren Verbindungsmitteln zwischen den Radachsenden und dem Fahrzeugrahmen gemacht werden.Lines are transmitted, indicated by that by the in the connecting line (7) between the power devices (1, 2) and when connecting the hydraulic power transmission (9) to the air cushion (13) arranged shut-off device (5) the strength machines are separated from the air cushion and at the same time in a known manner Way made to rigid connecting means between the wheel axle ends and the vehicle frame will. 2. Hydropneumatisch arbeitende Stabilisier- und Abfederungsvorrichtung für Fahrzeuge mit zwischen den Radachsenden und dem Fahrzeugrahmen angeordneten, aus Zylinder und Kolben bestehenden hydraulischen Kraftgeräten, von denen die Raddrücke auf ein Luftpolster durch absperrbare Leitungen übertragen werden, dadurch gekennzeichnet, daß jedem Kraftgerät (z. B. 1 und 2) ein Luftpolster zugeordnet ist, dessen Verbindungsleitung mit dem Druckraum des Kraftgerätes absperrbar ist.2. Hydropneumatic stabilizing and cushioning device for vehicles with between the ends of the wheel axles and the vehicle frame, consisting of cylinders and pistons hydraulic power equipment, of which the wheel pressures on an air cushion through lockable Lines are transmitted, characterized in that each power device (z. B. 1 and 2) a Air cushion is assigned, the connecting line of which can be shut off with the pressure chamber of the power device is. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß bei Anwendung eines gasgefüllten, nachgiebigen Hohlkörpers (17) als Luftpolster das diesen Hohlkörper umschließende Gehäuse mit dem Zylinder (15) des Kraftgerätes eine Einheit bildet, wobei die beide Räume voneinander trennende Wand (15 a) mit einer verschließbaren Durchtrittsöffnung (15 b) für die Flüssigkeit versehen ist (Abb. 2).3. Apparatus according to claim 2, characterized in that when using a gas-filled, resilient hollow body (17) as an air cushion, the housing enclosing this hollow body forms a unit with the cylinder (15) of the power device, the wall separating the two spaces from each other (15 a ) is provided with a closable passage opening (15 b) for the liquid (Fig. 2). In Betracht gezogene Druckschriften:
Deutsche Patentschriften Nr. 588 925, 740 222,
551, 845 452, 907 150. Considered publications:
German patent specifications No. 588 925, 740 222,
551, 845 452, 907 150. Hierzu 1 Blatt Zeichnungen1 sheet of drawings ©709 846/Ϊ10 12.57© 709 846 / Ϊ10 12.57
DED20104A 1955-03-24 1955-03-24 Hydro-pneumatic stabilizing and cushioning device for vehicles Pending DE1021730B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE546229D BE546229A (en) 1955-03-24
DED20104A DE1021730B (en) 1955-03-24 1955-03-24 Hydro-pneumatic stabilizing and cushioning device for vehicles
CH340714D CH340714A (en) 1955-03-24 1956-02-27 Vehicle with hydraulic power devices arranged between the axle ends and the vehicle frame
GB2776059A GB835107A (en) 1955-03-24 1956-03-02 Hydropneumatic stabilising and shock-absorbing device for vehicles
GB668156A GB835106A (en) 1955-03-24 1956-03-02 Improvements in vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED20104A DE1021730B (en) 1955-03-24 1955-03-24 Hydro-pneumatic stabilizing and cushioning device for vehicles

Publications (1)

Publication Number Publication Date
DE1021730B true DE1021730B (en) 1957-12-27

Family

ID=7036609

Family Applications (1)

Application Number Title Priority Date Filing Date
DED20104A Pending DE1021730B (en) 1955-03-24 1955-03-24 Hydro-pneumatic stabilizing and cushioning device for vehicles

Country Status (4)

Country Link
BE (1) BE546229A (en)
CH (1) CH340714A (en)
DE (1) DE1021730B (en)
GB (2) GB835107A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1149256B (en) * 1959-08-18 1963-05-22 Goetzewerke Hydropneumatic suspension for four- and multi-wheel vehicles
DE1207223B (en) * 1958-12-11 1965-12-16 Armstrong Patents Co Ltd Hydropneumatic suspension device, especially for vehicles
DE1209006B (en) * 1958-12-20 1966-01-13 Suspa Federungstechnik G M B H Hydropneumatic suspension for vehicles
DE1281280B (en) * 1958-02-28 1968-10-24 Eaton Axles Ltd Hydropneumatic spring element for suspending vehicle tandem axles
DE2807299A1 (en) * 1978-02-21 1979-08-23 Fendt & Co Xaver Adjustable suspension for agricultural vehicle - has servo ram to alter or block spring deflection, with damping action altered by variable restriction on venting side of ram
US4582311A (en) * 1983-10-27 1986-04-15 Steffensmeier Lloyd A Hydraulically controlled chiropractic table

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231257A (en) * 1963-11-04 1966-01-25 Gen Steel Ind Inc Fluid spring device
GB8815694D0 (en) * 1988-07-01 1988-08-10 Lotus Group Plc Vehicle suspension system
US6116585A (en) * 1997-08-11 2000-09-12 Mannesmann Sachs Ag Pressure holder with an enclosed gas mass

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE588925C (en) * 1931-01-21 1933-11-30 Klaas Landeweer Shock absorbers
DE740222C (en) * 1941-05-25 1943-10-14 Alfred Golka Axle suspension for two-axle vehicles
DE837551C (en) * 1950-02-02 1952-04-28 Siegener Eisenbahnbedarf Ag Street scooter or similar heavy-duty vehicle with a large number of spring-loaded wheels
DE845452C (en) * 1950-09-21 1952-07-31 Siegener Eisenbahnbedarf Ag Suspension of vehicles by means of an air cushion to which the wheel load is transferred by a liquid pressure medium
DE907150C (en) * 1952-03-27 1954-03-22 Siegener Eisenbahnbedarf Ag Suspension of vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE588925C (en) * 1931-01-21 1933-11-30 Klaas Landeweer Shock absorbers
DE740222C (en) * 1941-05-25 1943-10-14 Alfred Golka Axle suspension for two-axle vehicles
DE837551C (en) * 1950-02-02 1952-04-28 Siegener Eisenbahnbedarf Ag Street scooter or similar heavy-duty vehicle with a large number of spring-loaded wheels
DE845452C (en) * 1950-09-21 1952-07-31 Siegener Eisenbahnbedarf Ag Suspension of vehicles by means of an air cushion to which the wheel load is transferred by a liquid pressure medium
DE907150C (en) * 1952-03-27 1954-03-22 Siegener Eisenbahnbedarf Ag Suspension of vehicles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281280B (en) * 1958-02-28 1968-10-24 Eaton Axles Ltd Hydropneumatic spring element for suspending vehicle tandem axles
DE1207223B (en) * 1958-12-11 1965-12-16 Armstrong Patents Co Ltd Hydropneumatic suspension device, especially for vehicles
DE1209006B (en) * 1958-12-20 1966-01-13 Suspa Federungstechnik G M B H Hydropneumatic suspension for vehicles
DE1149256B (en) * 1959-08-18 1963-05-22 Goetzewerke Hydropneumatic suspension for four- and multi-wheel vehicles
DE2807299A1 (en) * 1978-02-21 1979-08-23 Fendt & Co Xaver Adjustable suspension for agricultural vehicle - has servo ram to alter or block spring deflection, with damping action altered by variable restriction on venting side of ram
US4582311A (en) * 1983-10-27 1986-04-15 Steffensmeier Lloyd A Hydraulically controlled chiropractic table

Also Published As

Publication number Publication date
BE546229A (en)
GB835106A (en) 1960-05-18
GB835107A (en) 1960-05-18
CH340714A (en) 1959-08-31

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