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(1 ) electric hoist energized, weight , amplitude, height sensor signals to the respective host microprocessor inside the instrument for a variety of lifting working parameters manually set the input signal and automatically through shielded cables after calculating and judging process , the weight , the amplitude , height data is displayed through the LCD screen , the relay control signal to continuously cycle.
( 2 ) Installation force sensing mechanism due to take force agencies to take different types of cranes are not the same installation , the installation process is not the same .
( 3 ) the torque limiter device debugging methods in use for some time , more or less there will be some deviation . Debugging method is relatively simple, as long as carefully read the manual, and under the guidance of manufacturers to debug one or two hands , basically able to be aware of.
( 4 ) For security reasons , many manufacturers do not provide circuit drawings to the user, which will undoubtedly bring a certain amount of maintenance personnel difficulties , so trainees should learn as much as possible to process and analyze some of the common faults of the factory service personnel methods and seriously make a record , to prepare for contingencies .
( 5 ) points to master the use of the torque limiter is on the front panel buttons. There is a single function key , e.g. the key factor , but the conversion rate of lifting rope ; keys and some of its functions under different platforms are completely different, such as increase key , down-key and reset key and the like . The operator , some commonly used function keys must be memorized in mind.
( 6 ) For the construction of hydropower lifting equipment , demolition , removal and installation is very frequent. When equipment relocation , crane operator or a full-time electrician must properly handle the device display instrument , connecting cables, power take off device components and sensors. Mark the best before the demolition , light demolition light, proper protection , do not crush each other to avoid collision damage . Installation should recover the original order and location , and then debug and calibration.
( 7 ) cranes generally have a good variety of operating conditions curve , such as a main tower crane jib boom conditions and working conditions , but there are three conditions jib arm length , but also the three conditions , as long as the lifting arm length , magnification , weight, etc. there is a large hook parameters change, then we should call torque limiter with suitable curve. These changes need to be familiar with the personnel to operate , if the person is not fixed , it is unclear adjustment method , or random settings so that the torque limiter work under failure conditions , the consequences could be disastrous. Therefore, the use and maintenance of the torque limiter is also the same as many other special equipment required to achieve a given people, machines, fixed duties , but also maintaining a relatively constant even when fewer staff personnel .
( 8 ) Since the torque limiter power take part because of the long-term use can cause wear or affected by other natural environments , the weight of the display error is too large, so the accuracy of the system from time to time to deal with regular inspection , if found deviations beyond GB range necessary for re- adjustment and calibration weight , and information archiving your records , which later rational use and maintenance is particularly important. Period is generally 3 to 6 months, in order to ensure the safe use of cranes crane .