Air Expanding Shaft

The inflation shaft is the shaft whose surface is quickly retracted after deflation, and what is its connection method? The following describes:
The radial expansion of the two components of the expansion shaft and the expansion core is a rigid fit. The rigid connection is used between the two types. The expansion sleeve is used to support the sleeve, and the sleeve and the expansion shaft ensure coaxiality. In the case of rigid connections, such rigid connections are prevented from affecting normal operation during the entire operation due to excessive load or other external forces.
The flexible connecting part of the inflation shaft refers to the connection of the two components of the expansion key to the airbag. Since the airbag is soft, it can only be a flexible connection, because the expansion during operation requires a flexible connection for the connection. The external pressure is constantly increasing, the strength of the rotation and the change will also affect the use of the connection, which requires regular attention to this aspect of the work during use.

The inflation shaft is a special type of winding and unwinding. Because of the special nature of the material and other reasons, there are some precautions when using it:
1. The obvious disadvantage of the flexible joint is that it is easily deformed and unstable;
2. The advantage of the rigid connection is that the axial yaw and the radial runout accuracy during the movement are improved and the influence of the external force on the movement is reduced.
The problem of flexible connection is the failure of its movement process. Once it fails, it will cause certain economic damage and affect the operation and workload in a large amount. The disadvantage of flexibility is that the reliability is not as good as the rigid structure. Nowadays, the general air-inflating shaft consists of airbags, pipes, valves and other parts to form a force system. Therefore, pay attention to the selection of the load and the force of the high-speed rotation to select some high schools. Low-end products also choose mechanical upswings.
The principle of the inflation shaft is compressed air, and the principle of the mechanical up axis is the mechanical power of the wrench.

The inflation shaft also needs to be checked frequently, as described below:
1) Understand the situation of the fault, understand the working conditions before the fault and the symptoms after the fault.
2) Carefully analyze the cause or extent of the fault, find the cause of the fault or analyze the scope of the fault.
3) Perform external inspection to check whether the fixing screws and wiring screws of fuses, relays, contactors and travel switches are loose? Is there a place for disconnection? Is there any money burning or contact welding? Is the activity of the electrical appliance flexible? and many more. Eliminate obvious faults in time.
4) Power failure check, mainly to find hidden faults. Generally, use the resistance of the multimeter to check whether the components and circuits in the fault area have open circuit, short circuit or grounding. Sometimes it can be checked with a shaker and other devices. If the power failure check fails, the power check can be performed.
The power-on check of the inflation shaft is mainly to find faults that are not easy to find. The power-on check should be carried out without load to avoid accidents.

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