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A crane and its control method

A crane and controller technology, applied in the field of lifting equipment, can solve the problems of cumbersome lifting operation process and low lifting operation efficiency, and achieve the effect of improving lifting operation efficiency and simplifying the operation process

Inactive Publication Date: 2016-02-24
SANY HEAVY IND CO LTD (CN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This has resulted in a more cumbersome lifting operation process and lower efficiency in lifting operations

Method used

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  • A crane and its control method
  • A crane and its control method
  • A crane and its control method

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments according to the descriptions in this document.

[0039] Terminology Explanation:

[0040] In this document, the "telescopic speed of the end of the jib", unless otherwise specified, refers to the moving speed of the end of the jib relative to the root end of the jib. "Hook retracting speed" refers to the moving speed of the hook relative to the end of the jib unless otherwise specified. "The speed of retracting and unwinding ropes of the hoisting mechanism" refers to the speed of retracting and retracting ropes of the hoisting mechanism relative to the crane body. "T...

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Abstract

The invention discloses a crane and a control method thereof. The disclosed crane comprises a telescoping arm rest and a hoisting mechanism. A rope of the hoisting mechanism rounds a fixed pulley at the tail end of the arm rest and is connected to a hoisting hook. The crane also comprises a telescoping speed detection device, a hoisting speed detection device, a controller and an output device. The telescoping speed detection device is used for detecting the telescoping speed of the tail end of the arm rest. The hoisting speed detection device is used for detecting the rope retracting / deploying speed of the hoisting mechanism. The controller is used for obtaining the retracting / deploying speed of the hoisting hook according to the rope retracting / deploying speed of the hoisting mechanism and the telescoping speed of the tail end of the arm rest. The output device is used for outputting the obtained retracting / deploying speed of the hoisting hook. By utilization of the crane, the controller can obtain the retracting / deploying speed of the hoisting hook according to the rope retracting / deploying speed of the hoisting mechanism and the telescoping speed of the tail end of the arm rest, thus providing a good precondition for simplifying hoisting operation processes and increasing the hoisting operation efficiency.

Description

technical field [0001] The invention relates to lifting equipment technology, in particular to a crane, and also to a control method for the crane. Background technique [0002] Cranes with telescopic jibs are commonly used lifting equipment. Such cranes usually include a telescoping jib and hoisting mechanism. The root end of the jib and the hoisting mechanism are usually installed on the same body respectively, and the outer end of the rope of the hoisting mechanism usually goes around the fixed pulley at the end of the jib to connect with the hook; a telescopic control mechanism controls the elongation and shortening of the jib, and a winding The hoisting control mechanism controls the hoisting action of the hoisting mechanism; the hoisting position of the crane can be changed by changing the length of the boom through the telescopic control mechanism; the position of the hook can be changed by controlling the hoisting mechanism through the hoisting control mechanism, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C13/18B66C13/16B66C1/40
Inventor 彭光林周斌李丰
Owner SANY HEAVY IND CO LTD (CN)
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