GB978037A - Improvements in or relating to steering gears for tracked vehicles - Google Patents

Improvements in or relating to steering gears for tracked vehicles

Info

Publication number
GB978037A
GB978037A GB2847863A GB2847863A GB978037A GB 978037 A GB978037 A GB 978037A GB 2847863 A GB2847863 A GB 2847863A GB 2847863 A GB2847863 A GB 2847863A GB 978037 A GB978037 A GB 978037A
Authority
GB
United Kingdom
Prior art keywords
gear
clutch
hydrostatic
driven
whilst
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
Application number
GB2847863A
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of GB978037A publication Critical patent/GB978037A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Retarders (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

978,037. Differential gear. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. July 18, 1963 [July 28, 1962], No. 28478/63. Heading F2D. [Also in Division B7] A driving and steering gear for a tracked vehicle comprises a change-speed gear 2 from which track sprockets are driven through planet trains 3, 4, having suns geared at 15, 16 to a steering shaft 14 that is selectively driven from the change-speed gear through either a bevel reverse gear 5 or a reversible hydrostatic gear 17. The steering shaft 14 is driven in either direction through the reverse gear 5 by selective engagement of hydraulically operated clutches 6, 7 for field work, whilst for greater manoeuvrability during road travel the shaft 14 is driven through the hydrostatic gear 17, a reduction gear 12, as shown, hydraulically operated clutch 13. Pressure fluid is selectively supplied to the clutches 6, 7, 13 through valves 19, 20, the former 19 of which is linked at 17c, 17b to the hydrostatic gear control lever 17a so that when the lever 17a is in an intermediate position pressure fluid is supplied to the clutch 13 whilst when the lever 17a is in its high speed forward or reverse end position the clutch 13 is disengaged and pressure fluid is supplied to the clutch 6 or 7. In Fig. 2 (not shown) the clutch 13 is replaced by two oppositely acting one-way clutches which are arranged so that one is disengaged for both directions of rotation whilst the other operates in one direction. In Fig. 3 (not shown) the hydrostatic gear is permanently connected to the steering shaft 14 and a by-pass valve in the circuit of the hydrostatic gear is opened when the clutch 6 or 7 is engaged.
GB2847863A 1962-07-28 1963-07-18 Improvements in or relating to steering gears for tracked vehicles Expired GB978037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ9566A DE1174182B (en) 1962-07-28 1962-07-28 Overlay steering gear for track-chain vehicles

Publications (1)

Publication Number Publication Date
GB978037A true GB978037A (en) 1964-12-16

Family

ID=30774881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2847863A Expired GB978037A (en) 1962-07-28 1963-07-18 Improvements in or relating to steering gears for tracked vehicles

Country Status (3)

Country Link
DE (1) DE1174182B (en)
FR (1) FR1378878A (en)
GB (1) GB978037A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245760B (en) * 1965-06-30 1967-07-27 Zahnradfabrik Friedrichshafen Overlay steering gear for caterpillar vehicles
US3373636A (en) * 1965-09-27 1968-03-19 Gen Motors Corp Vehicle transmission including steering by driving
AT373837B (en) * 1979-07-12 1984-02-27 Tech Buero J Schreiner STEERING AND DRIVING DEVICE FOR TRACKED VEHICLES
EP0227761A1 (en) * 1985-06-15 1987-07-08 ZF FRIEDRICHSHAFEN Aktiengesellschaft Overlapping steering gear system for track-laying vehicles
US4890508A (en) * 1986-10-24 1990-01-02 Renk Aktiengesellschaft Tracked vehicle drive system
DK2978656T3 (en) * 2013-03-25 2017-02-13 Polaris Inc All-terrain tracked vehicle
US10569642B2 (en) 2016-06-20 2020-02-25 Polaris Industries Inc. Cooling system for an all terrain vehicle
US10730551B2 (en) 2016-08-09 2020-08-04 Polaris Industries Inc. Tracked all-terrain vehicle

Also Published As

Publication number Publication date
FR1378878A (en) 1964-11-20
DE1174182B (en) 1964-07-16

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