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Systems and methods for positioning a lift arm on a power machine

A technology for power machinery and lifting arms, which is applied in the field of power machinery and can solve problems such as leakage

Active Publication Date: 2021-01-22
斗山山猫北美公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This may cause the contents of the bucket to escape, for example, during raising or lowering

Method used

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  • Systems and methods for positioning a lift arm on a power machine
  • Systems and methods for positioning a lift arm on a power machine
  • Systems and methods for positioning a lift arm on a power machine

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Embodiment Construction

[0026] The concepts disclosed herein are described and illustrated with reference to exemplary embodiments. However, applications of these concepts are not limited to details of construction and arrangement of components in the exemplary embodiments but can be practiced or carried out in various other ways. The terminology herein is used for the purpose of description and should not be regarded as limiting. Words such as "comprising", "comprising" and "having" and variations thereof as used herein are intended to cover the items listed thereafter, equivalents thereof, and additional items.

[0027]The present application relates to systems and methods for positioning a tool operably coupled to a lift arm. In particular, the present application seeks to disclose systems and methods for selectively controlling a tilt actuator to control the orientation of a tool relative to a lift arm in response to input from an operator to position the lift arm. In one aspect of the present ...

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Abstract

A method of controlling a lift arm actuator and a tilt actuator to control positioning of a tool carrier coupled to a lift arm of a power machine is disclosed. An activation signal is received from an activation input device. A lift arm control signal commanding movement of the lift arm is received from the lift arm control input device. controlling the lift arm actuator in response to receipt of both the activation signal and the lift arm control signal to move the lift arm to the lift arm target position and the tool carrier to the tool carrier target orientation relative to the direction of gravity or to A target orientation of the tool carrier relative to the direction of gravity holds the tool carrier.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 62 / 154,389, filed April 29, 2015. technical field [0003] The present disclosure relates to power machines. More particularly, the discussion relates to power machines having a lift arm capable of carrying a work tool and systems and methods for positioning the work tool by controlling the position of the lift arm. Background technique [0004] Power machines, and more particularly, loaders, have long had lift arms capable of carrying work implements, such as buckets, for performing various work tasks. Operators of these machines can advantageously manipulate lift arms carrying such implements to perform various tasks. The operator can manipulate not only the position of the lift arm (often referred to as a lift operation), but also the position of the work tool relative to the lift arm (often referred to as a tilt operation). [0005] An example...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/30E02F3/43E02F9/20
CPCE02F3/432E02F3/436E02F9/2041E02F3/30E02F3/435
Inventor 凯文·J·泽恩特特雷弗·W·克劳塞乔纳森·J·瑞尔马蒂·卡朋特
Owner 斗山山猫北美公司