GB1399789A - Positioners - Google Patents

Positioners

Info

Publication number
GB1399789A
GB1399789A GB4072173A GB4072173A GB1399789A GB 1399789 A GB1399789 A GB 1399789A GB 4072173 A GB4072173 A GB 4072173A GB 4072173 A GB4072173 A GB 4072173A GB 1399789 A GB1399789 A GB 1399789A
Authority
GB
United Kingdom
Prior art keywords
valve
lever
ram
arms
bucket
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
GB4072173A
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of GB1399789A publication Critical patent/GB1399789A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04703—Mounting of controlling member
    • G05G2009/04714—Mounting of controlling member with orthogonal axes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2700/00—Control mechanisms or elements therefor applying a mechanical movement
    • G05G2700/04—Control mechanisms limiting amplitude or adjusting datum position
    • G05G2700/08—Control mechanisms for locking members in one or more positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

1399789 Shovelling machines CATER PILLAR TRACTOR CO 29 Aug 1973 [29 Aug 1972] 40721/73 Heading E1F [Also in Division F1] When a control lever 10, Fig 1, is pivoted about a pin 24 a lever 25 is pivoted downwards about a pin 30 to move a spool 32 of a valve 14 which causes retraction of a cam 46. A magnet 36 on the lever 2 closes a normally open switch 40 to energise a solenoid 42 which holds down a ferrous bar 34 attached to the lever 28. Thus the control lever 10 is held in the pivoted condition and the valve 14 remains open until a magnet 54, moved by the cam 46, causes a normally closed switch 38 to open to de-energise the solenoid 42 and allow the valve 14 to return to the neutral position. As described the ram 46 controls the tipping of the bucket of an excavator and a further valve 12, which is operated by pivoting the lever 10 about a pin 18, controls a ram which raises the bucketsupporting arms The electromagnetic control circuit holds the valve 14 open until the bucket has reached the level position ready for the next digging movement. Fig 2 shows an embodiment in which a ram 64 for raising bucket arms 116 is also controlled electromechanically. A magnet 114 on the arms 116 opens a normally closed switch 106 when the arms are raised to a preselected point. This deenergises solenoid 42 and releases a bell-crank 62 so that the valve 12 may return to its neutral position. Two magnets 122, 124 attached to the rod 52 of ram 46 cause the ram to be arrested in either the position in which the bucket is level with the ground or in the fully racked-back position. Fig 5, (not shown), illustrates a hydraulic control circuit for the lift and tilt rams.
GB4072173A 1972-08-29 1973-08-29 Positioners Expired GB1399789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00284491A US3823647A (en) 1972-08-29 1972-08-29 Electromagnetic bucket positioner for heavy equipment vehicles and the like

Publications (1)

Publication Number Publication Date
GB1399789A true GB1399789A (en) 1975-07-02

Family

ID=23090406

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4072173A Expired GB1399789A (en) 1972-08-29 1973-08-29 Positioners

Country Status (7)

Country Link
US (1) US3823647A (en)
JP (1) JPS4958601A (en)
BE (1) BE803958A (en)
CA (1) CA996664A (en)
DE (1) DE2344113C2 (en)
FR (1) FR2198031B1 (en)
GB (1) GB1399789A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500137C3 (en) * 1975-01-03 1980-06-19 O & K Orenstein & Koppel Ag, 1000 Berlin Hydrostatic power steering for SchaufeUader
JPS5736701Y2 (en) * 1975-12-04 1982-08-13
US4195551A (en) * 1977-06-23 1980-04-01 Gresen Manufacturing Company Hydraulic control valve including electromagnetic detent
IT1118082B (en) * 1977-10-06 1986-02-24 Fiat Allis Macch Movi LEVER CONTROL DEVICE FOR DISTRIBUTORS OF HYDRAULIC CIRCUITS
US4459079A (en) * 1979-07-23 1984-07-10 Sperry Corporation Unloading auger control system
WO1983001820A1 (en) * 1981-11-20 1983-05-26 Melocik, Kurt, B. Single lever control with automatic valve latching
US4469007A (en) * 1981-11-20 1984-09-04 Caterpillar Tractor Co. Single lever control with automatic valve latching
JPS60211522A (en) * 1984-04-05 1985-10-23 Kubota Ltd Operating structure of working truck
JPH0754641Y2 (en) * 1986-05-09 1995-12-18 東洋運搬機株式会社 Handling position control device
CA1298815C (en) * 1987-09-10 1992-04-14 Isao Kourogi Apparatus for controlling posture of front loader

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487958A (en) * 1968-01-31 1970-01-06 Caterpillar Tractor Co Self-cycling loader
US3524562A (en) * 1968-09-19 1970-08-18 Caterpillar Tractor Co Hydraulic controls for bucket loaders
DE1962069C2 (en) * 1969-12-11 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Multi-way valve with a longitudinal slide that is electromagnetically held in its working position
US3659734A (en) * 1971-06-09 1972-05-02 Caterpillar Tractor Co Bucket positioning device utilizing a biased proximity switch
JPS4930967U (en) * 1972-06-20 1974-03-16

Also Published As

Publication number Publication date
DE2344113A1 (en) 1974-04-18
US3823647A (en) 1974-07-16
DE2344113C2 (en) 1983-04-07
FR2198031A1 (en) 1974-03-29
CA996664A (en) 1976-09-07
JPS4958601A (en) 1974-06-06
BE803958A (en) 1974-02-25
FR2198031B1 (en) 1981-04-10

Similar Documents

Publication Publication Date Title
GB1399789A (en) Positioners
GB1382068A (en) Vehicles having a boom an implement mounted on the boom and a control system for operating the boom and the implement
GB1106021A (en) A loader unit
US3897805A (en) Three-way lever control for actuating a plurality of valves
GB986656A (en) Industrial trucks
US6481749B2 (en) Auto-up switch for simultaneously retracting a pair of stabilizer legs on a backhoe loader machine
ES423317A1 (en) Knitting machine, and in particular flat knitting machine
GB1240952A (en) Kickout control for bucket loaders
US6877773B1 (en) Pilot hydraulic control for a pair of stabilizer legs on a backhoe loader machine
GB1238130A (en)
GB1521703A (en) Hydraulic control system with sequenced hydraulic jacks
GB1264355A (en)
ES309910A1 (en) Easy control loader
GB1236326A (en) Front end loader vehicles
GB1028829A (en) Improvements in or relating to material handling machines
GB1242873A (en) A tractor mountable bucket loader
GB1429119A (en) Method of and arrangement for controlling the speed of the moveme nts of hydraulic booms
GB1462806A (en) Remote controllable earth-moving or construction machine
GB1426358A (en) Hydraulic self-levelling device for a boom-mounted bucket
US4099449A (en) Electromagnetic bucket positioner for loader vehicles
US3887098A (en) Material handling apparatus
GB1175708A (en) Automatic Backhoe
GB1058983A (en) Improvements in or relating to hydraulically controlled power implements
GB1163073A (en) Improvements relating to a Backhoe.
US3358860A (en) Automatic valve control mechanisim for tractor mounted loaders

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee