Control method for a balancing lifting gear and balancing lifting gear
First Claim
1. A control method for a balancing lifting gear that lifts and lowers a load-supporting device, said balancing lifting gear having a lifting motor, a controller adapted to actuate said motor, a control handle, said control handle including a force sensor that produces a signal in response to a force applied by at least one chosen from an operator, another object striking the load-supporting device, another object placed on top of a load supported by the load-supporting device, and the load supporting device becoming hooked under another object, said method comprising:
- providing said control handle an operating mode selector that receives an operator selection from among at least a Balance operating mode, a Pick-up operating mode, and an Assemble operating mode;
selecting from among the Balance operating mode, the Pick-up operating mode, or the Assemble operating mode;
when the Balance operating mode is selected, raising or lowering the load-supporting device in a vertical lifting or lowering direction by the controller in response to the signal produced by the force sensor in response to the force applied by the operator to the control handle or the force applied to the load-handling device, or the force applied to the load supported by the load-handling device;
when either the Pick-up operating mode or the Assembly operating mode is selected, in response to the selection raising or lowering the load-supporting device in a vertical lifting or lowering direction by the controller by moving the load-supporting device automatically to a desired position without a further force applied to the control handle or to the load, while the controller responds to the signal produced by a force applied to the force sensor while automatically raising or lowering of the load-supporting device in the vertical lifting or lowering direction.
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Accused Products
Abstract
A control method for a balancing lifting gear which includes a lifting motor that can be actuated by a controller and uses a control handle with a force sensor to lift and lower a load-supporting device. In a “Balance” operating mode, the load-supporting device, with or without a picked-up load, is raised or lowered by the controller in response to a force applied by an operator. In order to ensure disturbance-free handling of a load when removing or attaching a load, a “Pick-up” operating mode or an “Assemble” operating mode is selected, in which the load-supporting device is moved independently without the influence of the force of the operator by the controller in the lifting or lowering direction in dependence upon the signals determined by the force sensor. A balancing lifting gear which operates in accordance with the aforementioned control method is also disclosed.
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Citations
19 Claims
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1. A control method for a balancing lifting gear that lifts and lowers a load-supporting device, said balancing lifting gear having a lifting motor, a controller adapted to actuate said motor, a control handle, said control handle including a force sensor that produces a signal in response to a force applied by at least one chosen from an operator, another object striking the load-supporting device, another object placed on top of a load supported by the load-supporting device, and the load supporting device becoming hooked under another object, said method comprising:
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providing said control handle an operating mode selector that receives an operator selection from among at least a Balance operating mode, a Pick-up operating mode, and an Assemble operating mode; selecting from among the Balance operating mode, the Pick-up operating mode, or the Assemble operating mode; when the Balance operating mode is selected, raising or lowering the load-supporting device in a vertical lifting or lowering direction by the controller in response to the signal produced by the force sensor in response to the force applied by the operator to the control handle or the force applied to the load-handling device, or the force applied to the load supported by the load-handling device; when either the Pick-up operating mode or the Assembly operating mode is selected, in response to the selection raising or lowering the load-supporting device in a vertical lifting or lowering direction by the controller by moving the load-supporting device automatically to a desired position without a further force applied to the control handle or to the load, while the controller responds to the signal produced by a force applied to the force sensor while automatically raising or lowering of the load-supporting device in the vertical lifting or lowering direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18)
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17. A balancing lifting gear, comprising:
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a lifting motor, a controller that actuates said lifting motor, an operating mode selector, and a control handle with a force sensor, said force sensor produces a signal in response to a force applied by at least one chosen from an operator, another object striking a load-supporting device, another object placed on top of the load supported by the load-supporting device, and the load-supporting device becoming hooked under another object in an operation to lift and lower a load-supporting device wherein said operating mode selector receives an operator selection from among at least a Balance operating mode, a Pick-up operating mode, and an Assemble operating mode; wherein said controller is selectable to operate in the Balance operating mode in which the load-supporting device, with or without a picked-up load, is raised or lowered by the controller in a vertical lifting or lowering direction in response to the signal produced by the force sensor in response to the force applied by the operator to the control handle or the force applied to the load-handling device or the force applied to a load supported by the load-handling device; and wherein said controller is selectable to operate in the Pick-up operating mode or the Assemble operating mode in which in response to the selection the load-supporting device is raised or lowered by the controller in the vertical lifting or lowering direction automatically to a desired position without a further force applied to the control handle or to the load, while the controller responds to the signal produced from a force applied to the force sensor while automatically raising or lowering of the load-supporting device in the vertical lifting or lowering direction. - View Dependent Claims (19)
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Specification