DE2358386A1 - Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditions - Google Patents
Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditionsInfo
- Publication number
- DE2358386A1 DE2358386A1 DE2358386A DE2358386A DE2358386A1 DE 2358386 A1 DE2358386 A1 DE 2358386A1 DE 2358386 A DE2358386 A DE 2358386A DE 2358386 A DE2358386 A DE 2358386A DE 2358386 A1 DE2358386 A1 DE 2358386A1
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- static
- hydraulic
- dynamic
- piston rod
- 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
Links
Classifications
-
- 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
- B62D55/30—Track-tensioning means
- B62D55/305—Track-tensioning means acting on pivotably mounted idlers
-
- 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
- B62D55/116—Attitude or position control of chassis by action on suspension, e.g. to compensate for a slope
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
R.767R.767
Kettenspanner für Gelände—KettenfahrzeugeChain tensioner for off-road tracked vehicles
Die Erfindung betrifft einen automatischen Kettenspanner für Gelände-Kettenfahrzeuge, der aus einer hydraulischen Feder, aus einem Blasenspeicher und einem hydraulischen Zylinder mit Kolbenstange besteht, die an einer das Leitrad tragenden Kurbelschwinge angelenkt ist.The invention relates to an automatic chain tensioner for Off-road tracked vehicles that consist of a hydraulic spring a bladder accumulator and a hydraulic cylinder with piston rod, which are attached to a crank arm that supports the stator is hinged.
Solche Kettenspanner für Gelände-Kettenfahrzeuge sind bekannt. Durch den dynamischen Zylinder wird die beim Einfedern lose Kette gespannt. Hierbei besteht bei Fahrzeugen, die z.B. mit einer hydropneurrat i sehen Federung ausgerüstet sind, der Mangel, daß bei Änderung der Bodenfreiheit des Fahrzeuges durch die hydropneumatisehe Federurg das Fahrzeug angehalten und von Hand außen am Fahrzeug am Kettenspanner eine Nachjustierung vorgenommen werden muß.Such chain tensioners for off-road tracked vehicles are known. The chain that is loose during compression is tensioned by the dynamic cylinder. In this case, vehicles that are equipped, for example, with a hydropneurrat i see suspension, have the disadvantage that when the ground clearance of the vehicle is changed by the hydropneumatic spring, the vehicle must be stopped and readjustment must be made by hand on the outside of the vehicle on the chain tensioner.
Diesen Mangel zu vermeiden und nicht nur die Kettenspannung während der Geländefahrt ständig automatisch nahezu konstant zu halten, sondern auch dann, wenn während der Fahrt des Fahrzeuges die Bodenfreiheit mittels der hydropneumatisehen Federung verändert wird, ist Aufgabe der Erfindung.The object of the invention is to avoid this deficiency and not only to keep the chain tension automatically almost constant during off-road driving, but also when the ground clearance is changed by means of the hydropneumatic suspension while the vehicle is in motion.
Die Lösung dieser Aufgabe erfolgt dadurch, daß an dem Boden des hydrauIisehen ZyJi tiders ein·statischer Zylinder mit seinem Boden achsgleich befestigt ist und der statische Zylinder am freien Ende seiner Kolbenstange fahrzeugfest angebracht ist und der Zylinderraum des statischen Zylinders mit einer hydraulischen Krafteinheit verbunden ist, die über eine die Bodenfreiheit des Fahrzeuges beeinflußende Steuerung betätigbar istThe solution to this problem is that on the ground of the hydraulic cylinder has a static cylinder with its The floor is fixed on the same axis and the static cylinder is attached to the free end of its piston rod is attached to the vehicle and the cylinder space of the static cylinder with a hydraulic Power unit is connected, which has a ground clearance the vehicle influencing control is actuated
509823/0030509823/0030
und entsprechend der eingestellten Bodenfreiheit den hydraulischen Zylinder und damit die Kettenspannung nachregelt.and the hydraulic ones depending on the set ground clearance Adjusts the cylinder and thus the chain tension.
Das System teilt sich in einen statischen und einen dynamischen Anteil. Der Zylinder des dynamischen Anteiles hat einen kleineren Hub als der Zylinder des statischen Anteiles. Der dynamische Anteil ist an der Leitradschwinge angelenkt. Der statische Anteil ist an der Fahrzeugwanne angelenkt. Durch ein 4/3-WegeventiI erfolgt das Füllen und Entleeren des statischen Zyl'nders, dessen Magnete proportional der Bodenfreiheit durch die Hydropneumatische Steuerung erregt werden.The system is divided into a static and a dynamic one Proportion of. The cylinder of the dynamic part has a smaller one Stroke as the cylinder of the static part. The dynamic one Share is linked to the guide wheel swing arm. The static one Share is hinged to the vehicle pan. Through a 4/3 way valve the static cylinder is filled and emptied, whose magnets are proportional to the ground clearance through the hydropneumatic Control are energized.
In d&r Zeichnung ist der Erfindungsgegenstand in einem Ausführungsbeispiel dargestellt.In d r drawing, the subject invention is illustrated in one embodiment.
Das Leitrad 17 eines Ge-ände-Kettenfahrzeuges trägt eine KurbeIschwinge 1, an der eine Kolbenstange 18 mit einem dynamischen Zylinder 7 angeschlossen ist. Dar Zylinderdruckraum 19 ist über eine Bohrung 20 in der Kolbenstange 18 und eine Bohrung 21 in der Kurbelschwinge 1 über die Leitung 22 mit einem Blasenspeicher 3 verbunden. In die Leitung 22 ist zur Schockdämpfung ein einstellbares DposseIrückschIagventiI 15 angeordnet.The guide wheel 17 of a terrain tracked vehicle carries a Cantilever arm 1, on which a piston rod 18 with a dynamic Cylinder 7 is connected. The cylinder pressure chamber 19 is via a bore 20 in the piston rod 18 and a bore 21 in the rocker arm 1 via line 22 with a bladder accumulator 3 connected. In the line 22 is for shock absorption an adjustable pushbutton check valve 15 is arranged.
Am Boden 6 des Zylinders 7 ist achsgleich ein statischer Zylinder 8 mit seinem Boden 2 befestigt, vornehmlich angeschweißt. Die Kolbenstange 11 des Zylinders 8 liegt mit der Kolbenstange 18 des Zylinders 7 in einer Achse.A static cylinder is on the same axis on the bottom 6 of the cylinder 7 8 attached to its bottom 2, mainly welded. The piston rod 11 of the cylinder 8 lies with the piston rod 18 of the cylinder 7 in one axis.
Der Druckraum 12 des statischen Zylinders 8 ist über eine Bohrung 23 und eine Drehverbindung im An IenkgeIenk 9 und eine Leitung 24 mit einer hydraulischen Krafteinheit 5 verbunden. Das An IenkgeIenk 9 ist über ein Kolbenstangenauge 10 fahrzeugfest, z.B. an der Fahrzeugwanne, angeordnet.The pressure chamber 12 of the static cylinder 8 is via a Bore 23 and a rotary joint in the An IenkgeIenk 9 and one Line 24 is connected to a hydraulic power unit 5. The IenkgeIenk 9 is fixed to the vehicle via a piston rod eye 10, e.g. on the vehicle hull.
509823/0030509823/0030
In die Leitung 24 ist ein 4/3-WegeventiI 4 mit einem Überlast-Schutzventil 16 eingeschaltet. Die Magnete des WegeventiIs 4 werden proportional von der Bodenfreiheit des Fahrzeugs über die hydropneumatisehe Steuerung über die Leitungen 25 betätigt«In the line 24 is a 4/3-way valve 4 with an overload protection valve 16 switched on. The magnets of the directional event 4 are proportional to the vehicle's ground clearance the hydropneumatic control is operated via lines 25 «
Das System teilt sich in einen statischen und einen dynamischen Anteil« Beim dynamischen Anteil besitzt der zugehörige Zylinder 7 einen kleineren Hub als der Zylinder 8 und ist an der Leitradschwinge 1 angelenkt. Die zugehörige Druckö!führung geht über zwei Drehverbindungen - Augenlager 13 und SchwingenIager - und ein einstellbares DrosseI i'ückschlagventiI 15 zur Schockdämpfung in einen Blasenspeicher 3«The system is divided into a static and a dynamic part. «With the dynamic part, the associated cylinder has 7 has a smaller stroke than the cylinder 8 and is on the stator swing arm 1 hinged. The associated pressure guide is via two rotary connections - eye bearing 13 and swing arm bearing - and an adjustable throttle / check valve 15 for shock absorption into a bladder accumulator 3 «
Beim statischen Anteil besitzt der zugehörige Zylinder 8 einen... größeren Hub als der Zylinder 7 und ist an der Fahrzeugwanne bei 10 angelenkt« Die zugehörige Druckö!führung 23 geht über eine Drehverbindung als Augen Iager 10 zu einem 4/3-Wegeventi I 4 mit Über I ast-Scliutzvent i I 16 in der Nullstellung und zu einer hydraulischen Krafteinheit 5. Das 4/3-WegeventiI 4 steuert das Füllen und Entleeren des statischen Zylinders 8 dadurch, daß dessen Magnete proportional der Bodenfreiheit durch die hydropneumat «sehe Steuerung erregt werden«With the static component, the associated cylinder 8 has a ... greater stroke than the cylinder 7 and is on the vehicle pan Articulated at 10 «The associated print guide 23 passes over a rotary joint as eye bearing 10 to a 4/3 way event I 4 with over I ast shut-off valve i I 16 in the zero position and to one hydraulic power unit 5. The 4/3-way valve 4 controls this Filling and emptying the static cylinder 8 in that its magnets proportional to the ground clearance through the hydropneumat "See control being excited"
B09823/0030B09823 / 0030
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19737341807 DE7341807U (en) | 1973-11-23 | 1973-11-23 | Chain tensioning arrangement on off-road tracked vehicles |
DE2358386A DE2358386A1 (en) | 1973-11-23 | 1973-11-23 | Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2358386A DE2358386A1 (en) | 1973-11-23 | 1973-11-23 | Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditions |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2358386A1 true DE2358386A1 (en) | 1975-06-05 |
Family
ID=5898878
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19737341807 Expired DE7341807U (en) | 1973-11-23 | 1973-11-23 | Chain tensioning arrangement on off-road tracked vehicles |
DE2358386A Pending DE2358386A1 (en) | 1973-11-23 | 1973-11-23 | Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditions |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19737341807 Expired DE7341807U (en) | 1973-11-23 | 1973-11-23 | Chain tensioning arrangement on off-road tracked vehicles |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE7341807U (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484352A1 (en) * | 1980-06-12 | 1981-12-18 | Cneema | Automatic tensioner for vehicle track - has hydraulic ram to give predetermined force on tensioning roller support fed from hydraulic motor circuit |
FR2494799A1 (en) * | 1980-11-27 | 1982-05-28 | Integral Hydraulik Co | HYDROPNEUMATIC TENSION UNIT, IN PARTICULAR FOR USE IN VEHICLES WITH BEARING CHAINS TO LOAD THE DRIVE WHEEL IN ANTAGONISM RELATIVE TO THE TENSION OF THE CHAIN |
EP0141265A2 (en) * | 1983-10-21 | 1985-05-15 | Krauss-Maffei Aktiengesellschaft | Track chain tensioning device |
WO1987000497A1 (en) * | 1985-07-24 | 1987-01-29 | Intertractor Viehmann Gmbh & Co. | Track-tensioning, spring and shock-absorbing device for track-laying vehicles |
US4681376A (en) * | 1985-03-05 | 1987-07-21 | Liebherr-Werk Telfs Ges M.B.H. | Apparatus for tensioning a track chain of a tracklaying vehicle |
EP0277774A1 (en) * | 1987-02-05 | 1988-08-10 | Vickers Plc | Track tensioning means for tracked vehicles |
EP0297977A1 (en) * | 1987-07-03 | 1989-01-04 | S.A.M.M.- Société d'Applications des Machines Motrices | Hydropneumatic actuator |
DE4423364B4 (en) * | 1993-07-30 | 2004-11-04 | Steyr-Daimler-Puch Ag | Chain tensioning device for tracked vehicles |
US7296862B2 (en) | 2004-05-12 | 2007-11-20 | Clark Equipment Company | Collapsible track undercarriage for installation and tensioning |
CN108263503A (en) * | 2018-03-28 | 2018-07-10 | 黑龙江重兴机械设备有限公司 | A kind of Hydranlic tensioner of rubber belt track tensioning wheel |
RU2773132C1 (en) * | 2021-06-11 | 2022-05-30 | Федеральное государственное бюджетное образовательное Учреждение высшего образования "Воронежский государственный аграрный университет имени императора Петра 1" (ФГБОУ ВО Воронежский ГАУ) | Apparatus for tensioning the track chain of a vehicle |
US11919585B2 (en) * | 2019-07-15 | 2024-03-05 | Deere & Company | Track tension control |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004038196A1 (en) * | 2004-08-06 | 2006-03-16 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Method for compensating for changes in ground clearance on a tracked vehicle caused by fluctuations in temperature, and device for carrying out the method |
-
1973
- 1973-11-23 DE DE19737341807 patent/DE7341807U/en not_active Expired
- 1973-11-23 DE DE2358386A patent/DE2358386A1/en active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484352A1 (en) * | 1980-06-12 | 1981-12-18 | Cneema | Automatic tensioner for vehicle track - has hydraulic ram to give predetermined force on tensioning roller support fed from hydraulic motor circuit |
FR2494799A1 (en) * | 1980-11-27 | 1982-05-28 | Integral Hydraulik Co | HYDROPNEUMATIC TENSION UNIT, IN PARTICULAR FOR USE IN VEHICLES WITH BEARING CHAINS TO LOAD THE DRIVE WHEEL IN ANTAGONISM RELATIVE TO THE TENSION OF THE CHAIN |
EP0141265A2 (en) * | 1983-10-21 | 1985-05-15 | Krauss-Maffei Aktiengesellschaft | Track chain tensioning device |
EP0141265A3 (en) * | 1983-10-21 | 1986-10-01 | Krauss-Maffei Aktiengesellschaft | Track chain tensioning device |
US4712469A (en) * | 1983-10-21 | 1987-12-15 | Krauss-Maffei A.G. | Chain tensioning device |
US4681376A (en) * | 1985-03-05 | 1987-07-21 | Liebherr-Werk Telfs Ges M.B.H. | Apparatus for tensioning a track chain of a tracklaying vehicle |
WO1987000497A1 (en) * | 1985-07-24 | 1987-01-29 | Intertractor Viehmann Gmbh & Co. | Track-tensioning, spring and shock-absorbing device for track-laying vehicles |
EP0277774A1 (en) * | 1987-02-05 | 1988-08-10 | Vickers Plc | Track tensioning means for tracked vehicles |
EP0297977A1 (en) * | 1987-07-03 | 1989-01-04 | S.A.M.M.- Société d'Applications des Machines Motrices | Hydropneumatic actuator |
FR2617545A1 (en) * | 1987-07-03 | 1989-01-06 | Applic Mach Motrices | HYDROPNEUMATIC CYLINDER |
US4859006A (en) * | 1987-07-03 | 1989-08-22 | S.A.M.M. - Societe D'applications Des Machines Motrices | Hydropneumatic jack |
DE4423364B4 (en) * | 1993-07-30 | 2004-11-04 | Steyr-Daimler-Puch Ag | Chain tensioning device for tracked vehicles |
US7296862B2 (en) | 2004-05-12 | 2007-11-20 | Clark Equipment Company | Collapsible track undercarriage for installation and tensioning |
CN108263503A (en) * | 2018-03-28 | 2018-07-10 | 黑龙江重兴机械设备有限公司 | A kind of Hydranlic tensioner of rubber belt track tensioning wheel |
US11919585B2 (en) * | 2019-07-15 | 2024-03-05 | Deere & Company | Track tension control |
RU2773132C1 (en) * | 2021-06-11 | 2022-05-30 | Федеральное государственное бюджетное образовательное Учреждение высшего образования "Воронежский государственный аграрный университет имени императора Петра 1" (ФГБОУ ВО Воронежский ГАУ) | Apparatus for tensioning the track chain of a vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE7341807U (en) | 1976-02-19 |
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