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A control method for simultaneous action of multiple devices in a hoisting machine

A technology of simultaneous action and lifting machinery, applied in the field of control, can solve the problem that the speed cannot be proportional to the displacement of the handle, etc., and achieve the effect of simple structure, normal operation and convenient use

Active Publication Date: 2016-07-20
NANTONG RAINBOW HEAVY MACHINERIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when performing simultaneous actions of multiple devices, that is, when an action of the X-axis action (X_UP or X_DOWN) is combined with an action of the Y-axis action (Y_UP or Y_DOWN), the handle moves to the angle between the X-axis and the Y-axis, and the combined action Occasionally, the speed cannot be directly proportional to the displacement of the handle

Method used

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  • A control method for simultaneous action of multiple devices in a hoisting machine
  • A control method for simultaneous action of multiple devices in a hoisting machine

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Embodiment approach

[0041] Such as Figure 1-2 It shows an embodiment of a control method for simultaneous action of multiple devices of a lifting mechanism in the present invention: it includes a control unit 3, a power module 1, an electric control handle 2 and an execution unit 4 are connected to the control unit 3, and the power module 1 is DC 24V, electric control handle 2 is analog output or CAN bus handle, control unit 3 is a programmable controller, and execution unit 4 is a proportional valve or electric proportional control pump; including the following steps:

[0042] A. Overflow data processing: see figure 2 . The output signal of the electric control handle 2 is sent to the control unit 3. The output signal of the electric control handle 2 is an unsigned integer variable (0-65536). Since the electric control handle 2 has positive and negative directions, the negative proportional signal of the electric control handle 2 is - 32767 to the minimum value of the dead zone of the handle...

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Abstract

The invention relates to a hoisting machinery control method for multiple devices in simultaneous motion. A 24V direct-current power module, an electrically controlled handle and an execution unit are connected to a control unit, an analog quantity output or CAN (controller area network) bus handle serves as the electrically controlled handle, a programmable logic controller serves as the control unit, and a proportional valve or an electric proportional control pump serves as the execution unit. The hoisting machinery control method for the multiple devices in simultaneous motion has the advantages of simple structure, convenience in use, high operation efficiency, realization of pump flow distribution and guarantee of normality in operation of the multiple devices in simultaneous motion.

Description

technical field [0001] The invention relates to a control method, in particular to a control method for simultaneous action of multiple devices of a hoisting machine. Background technique [0002] When the hoisting machinery is in use, some working conditions require combined actions to improve the working efficiency of the hoisting machinery. However, when performing simultaneous actions of multiple devices, that is, when an action of the X-axis action (X_UP or X_DOWN) is combined with an action of the Y-axis action (Y_UP or Y_DOWN), the handle moves to the angle between the X-axis and the Y-axis, and the combined action Sometimes, sometimes, the speed cannot be directly proportional to the handle displacement. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages and provide a control method for simultaneous action of multiple devices in a hoisting machine that is simple in structure, easy to use, high in operatin...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B21/08B66C13/20B66F13/00
Inventor 高建钊何涛曹永新顾建烽金海洋
Owner NANTONG RAINBOW HEAVY MACHINERIES