Monitor for measuring tower crane amplitude
A monitoring device and amplitude technology, which is applied in the field of monitoring devices for measuring the amplitude of tower cranes, can solve problems such as high price, potential safety hazards, and inconvenient installation for high-altitude operations, and achieve the effects of convenient and simple installation, high precision, and reduced costs
Inactive Publication Date: 2007-04-11
SHANGHAI STEP ELECTRIC +1
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Problems solved by technology
[0003] The original tower crane was in a state completely dependent on the experience of the operator. The sliding range of the trolley (note: the tower crane controls the forward and backward movement of the lifted object through the sliding of the trolley on the boom, so the sliding range of the trolley is equal to the distance between the lifted object and the center of the tower crane. distance) depends entirely on the operator's visual inspection, and the quality of the tower crane drivers is uneven, which brings a huge safety hazard to the normal construction of the building
In the past two years, due to the country's emphasis on the safety of the construction industry, some tower crane amplitude monitoring systems using encoders have appeared on the market one after another. more expensive
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[0012] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0013] It can be seen from Fig. 1 and Fig. 2 that the present invention includes: a limiter 1, a trolley luffing motor 2, a trolley luffing motor shaft 21; a Hall element module 3 and a magnet 4; the magnet 4 is fixedly placed on On the luffing motor shaft 21 of the trolley, the Hall element module 3 is fixedly placed on the big arm of the tower crane opposite to the magnet 4;
[0014] The center of the chip in the Hall element module 3 and the center of the magnet 4 are on a horizontal line;
[0015] A waterproof box 5 is also included outside the Hall element module 3 .
[0016] The magnet is fixed on the rotating shaft of the limiter with a plastic sleeve, and glue is applied between the magnet and the rotating shaft. The Hall component module board is fixed in the waterproof box, and the external lead signal transmission cable is drawn out ...
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The present invention relates to one kind of monitor for measuring tower crane amplitude. The monitor includes one position limiter, one bogie amplitude motor and one bogie amplitude motor shaft, as well as one Hall element module and one magnet. The magnet is fixed onto bogie amplitude motor shaft, and the Hall element module is installed on the giant arm of the tower crane in the position opposite to the magnet. The present invention has the positive effects of simple installation, cost mach lower than that of coder, and high precision.
Description
technical field [0001] The invention relates to a tower crane, in particular to a monitoring device for measuring the amplitude of the tower crane. Background technique [0002] With the rapid development of my country's social economy, the real estate industry is showing great development. As an important tool in the construction industry, tower cranes have been widely used, so its safety is becoming more and more important. [0003] The original tower crane was in a state completely dependent on the experience of the operator. The sliding range of the trolley (note: the tower crane controls the forward and backward movement of the lifted object through the sliding of the trolley on the boom, so the sliding range of the trolley is equal to the distance between the lifted object and the center of the tower crane. distance) depends entirely on the operator's visual inspection, and the quality of the tower crane drivers is uneven, which brings a huge safety hazard to the norma...
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IPC IPC(8): B66C23/88B66C13/16
Inventor 王春祥万宏权李守林罗文龙李志国杨国栋
Owner SHANGHAI STEP ELECTRIC