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Superlift counterweight optimization control device and method, and crane including the device

An optimized control and counterweight technology, which is applied to cranes, transportation and packaging, and load hanging components, etc., can solve problems such as optimal calculation of superlift counterweight, inability to slew support and moment limit of the whole machine

Active Publication Date: 2011-12-14
ZHEJIANG SANY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the general torque limiter can only provide maximum torque control and limit the hoisting load within the rated load range, but cannot perform optimal calculations for the superlift counterweight, so that the slewing support and the complete machine torque cannot be limited within the optimal range

Method used

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  • Superlift counterweight optimization control device and method, and crane including the device
  • Superlift counterweight optimization control device and method, and crane including the device
  • Superlift counterweight optimization control device and method, and crane including the device

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Embodiment Construction

[0047] The present invention will be further described below in combination with principle diagrams and specific operation examples.

[0048] Such as figure 1 As shown, the superlift counterweight optimization control device of the present invention is applied to crawler cranes, and specifically includes an angle sensor 3, an oil pressure sensor 4, a length sensor 5, a weight sensor 6, a tension sensor 7, a controller 1 and a display 2, and the angle Sensor 3, length sensor 5, weight sensor 6, and display 2 are respectively connected to controller 1, and controller 1 calculates the optimal overlift counterweight range of the crane in real time through the received measurement information and displays it on the display. The superlift counterweight range includes the allowable deviation, and also includes an alarm 8, which is connected to the controller 1, wherein the controller 1 can be integrated into other controllers on the crane, and the display 2 can also be connected to t...

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PUM

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Abstract

The invention discloses a super-lifting counter weight optimization control device and a method. The method comprises the following steps: obtaining the parameters such as the working condition configuration information, arm support angle and the like of the current crawler crane through a sensor mounted on the crane; obtaining the center-of-gravity position of the entire crawler crane based on the basic principle of center-of-gravity synthesis, and calculating the required optimal super-lifting counterweight range; calculating the actually used super-lifting counterweight according to the measured super-lifting variable-amplitude plate pulling force and main variable-amplitude plate pulling force; when the moment offset is 15% greater than the bearing capacity of rotary support caused by the actually used super-lifting counterweight and the optimal super-lifting counterweight range, alarming by an alarm, and adjusting the super-lifting counterweight by manually adjusting the main variable-amplitude plate pulling force or super-lifting counterweight lifting device so that the super-lifting counterweight approaches or reaches the optimal value. The method disclosed by the invention can control the super-lifting counterweight utilization rage in the load moment changing process such as arm rising, load lifting, load lowering, load amplitude change and the like, and always controls the entire moment within certain optimization range.

Description

technical field [0001] The invention relates to the technical field of crane counterweights, in particular to a superlift counterweight optimization control device and method and a crane including the device. Background technique [0002] The normal operation of the crane is inseparable from the matching counterweight. The heavier the object lifted by the crane, the larger the tonnage of the counterweight is required. Therefore, in order to increase the lifting capacity, the ultra-large tonnage crane is equipped with enough Superlift counterweight, in the process of work, the superlift counterweight does not leave the ground. The moment limiter is an independent safety operating system completely controlled by a computer. Generally, it can automatically detect the weight of the crane and the angle of the boom, and can display its rated load and actual load. The radius and the angle of the jib are mainly used for real-time monitoring and detection of the working conditions o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/74B66C23/88B66C13/16B66C13/18
Inventor 梁存德王建明张戈薛运锋
Owner ZHEJIANG SANY EQUIP
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