Additional axle device, speed control method and speed control system
A speed control, axle technology, applied in the direction of speed/acceleration control, control/regulation system, control device, etc., can solve the problem of not meeting the requirements of different working conditions, and achieve the effect of increasing stability
Active Publication Date: 2015-05-27
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
[0008] This application provides an additional axle device, a speed control method and a speed control system, which solves the problem in the prior art that when the additional axle device is on the same scale of the speed handle, the additional axle rotates at the same speed and cannot meet the use requirements of different working conditions Technical problems, to achieve the technical effect of enabling the additional axle device to meet the use requirements of different working conditions
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[0046] The embodiment of the present application provides an additional axle device, a speed control method and a speed control system, which solves the problem in the prior art that the additional axle rotates at the same speed when the additional axle device is on the same scale of the speed handle and cannot meet different working conditions. The technical problem of use requirements achieves the technical effect of enabling the additional axle device to meet the use requirements of different working conditions.
[0047] The technical solution in the embodiment of the present application is to solve the above-mentioned technical problems, and the general idea is as follows:
[0048] A speed control method for an additional axle device, comprising:
[0049] judging whether a speed setting signal is received, and obtaining a first judging result;
[0050] When the first judgment result indicates that the speed setting signal is received, the current output mode of the addition...
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The invention discloses an additional axle device, a speed control method and a speed control system. The speed control method of the additional axle device comprises the following steps of 1, determining if a speed setting signal is received and acquiring a first determination result, 2, when the first determination result shows that the speed setting signal is received, detecting a current output mode of the additional axle device, wherein the current output mode is corresponding to a current speed change control curve, the additional axle device has M different output modes, M is equal or greater than 2 and each one of the output modes is corresponding to one speed change control curve, and 3, according to the speed setting signal and the current speed change control curve, producing a control signal and executing the control signal so that the additional axle device has the corresponding speed.
Description
technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an additional axle device, a speed control method and a speed control system. Background technique [0002] With the continuous development of the hoisting industry and the innovation of design technology and manufacturing technology, cranes continue to develop in the direction of large lifting capacity, resulting in the weight of the crane itself becoming larger and larger. Size, weight and load are all limited. [0003] In order to not only meet the requirements of national regulations, but also meet the heavy load transfer of the crane in the work site, a detachable additional axle device is installed at the tail of the crane. In this way, it is ensured that part of the weight is distributed to the additional axle device when driving with load, so as to reduce the load on each axle; and the crane can be transferred by itself in the work site without other transp...
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IPC IPC(8): B66C13/22B60K31/00
Inventor 宋院归李英智李义张建军王启涛
Owner ZOOMLION HEAVY IND CO LTD