In the process of using electric hoists,regardless of the quality of the equipment,it is inevitable to encounter some large and small faults and problems.Therefore,learning how to handle them is a task that every operator should carry out.In order to help everyone solve problems faster,the editor of Makita Crane Equipment will talk about the tips for handling equipment faults in the future.
When there is a problem with the electric hoist and it cannot operate normally,first check whether the power fuse of the equipment has been burnt out.If there is a phase failure problem,the motor will start single-phase and the starting torque will be zero,making it impossible to rotate.At this time,we should replace the fuse that meets the requirements in a timely manner to solve the problem.In addition,it may also be due to the low voltage of the power grid causing the equipment to malfunction,at which point the equipment cannot reach the operating speed,so the power grid voltage can be appropriately increased.Of course,excessive load or transmission machinery failure will also affect the use of the equipment.We should promptly check the dragged mechanism and remove the fault.
I believe everyone knows that if there is a short circuit,open circuit,or other problem with the electric hoist,it will not work properly.At this time,it is necessary to open the junction box for inspection and check if the equipment wiring is correct.If necessary,the contactor can be replaced.
Electric hoist is a lightweight lifting equipment,but its lifting capacity cannot be underestimated.It is a powerful tool to help workers improve productivity and is also an indispensable mechanical equipment.However,during the use process,there may occasionally be situations where it cannot function.So what is the reason for this problem?Let's take a look with Makita.
When the electric hoist cannot operate,it is necessary to first check whether the power fuse of the equipment is burnt out.If it is burnt out and the equipment is in a power off state,it is impossible to operate.At this time,we should replace it with a new fuse that meets the requirements.In addition,when the voltage of the power grid is too low,the acceleration torque cannot overcome the load torque and cannot reach the operating speed.At this time,the electric hoist cannot operate.We should appropriately increase the voltage of the power grid to restore the normal operation of the equipment.
If the stator winding is short circuited,open circuited,or grounded,causing the electric hoist to malfunction,it is necessary to open the junction box for inspection and troubleshooting.If the load of the equipment is too large during use,which exceeds the bearing range of the electric hoist,it not only cannot rotate,but also affects its service life.Therefore,it is necessary to use it in a standardized manner.
There are many reasons why electric hoists cannot operate.Timely inspection,handling,and testing can ensure the good operation of the equipment in the later stage.