Fixing Angles H205B Mast Yongmao

Products Specification

Type , Model: Fixing Angles H205B Mast Yongmao

Size: 2.3M

Use for : H205B Mast Yongmao

Materials: Q345B

Process: Blasting derusting, 

Painting:  Under painting , Middle painting, Surface painting.

Our factory produce and supply almost all famous brand tower crane :Mast section, Anchor Frame, Fixing angle ,Adaptor and so on as good quality and price.

Fixing Angles H205B Mast Yongmao

Tower Crane Knowledge sharing：

What safety devices must be installed when the tower crane is installed

Some safety devices must be installed when the tower crane is installed. Several important safety devices are introduced below to remind the majority of tower crane users to remember the installation.

Fixing Angles H205B Mast Yongmao

1 height limit device

After lifting the hook to the specified height, touch the limit weight hammer, turn on the travel switch, the indicator light of overwinding will be on, and at the same time, cut off the operation of lifting the hook, extending the crane arm

Lowering the tower crane arm to ensure safety. At this time, as long as the control hook is lowered, the tower crane boom is retracted or the boom is lifted  and other handles, the limit weight is released and the operation is restored to normal.

In special occasions, if you still need to do a small amount of over-winding operation, you can press the release button on the instrument box, then the limit will be lifted, but at this time the operation must be very careful to prevent accidents.

Luffing safety device for lifting boom

When accident happens, when the high pressure hose or oil pipe in the cylinder circuit of the tower crane boom amplitude change is burst or cut off.

Fixing Angles H205B Mast Yongmao

The balance valve in the hydraulic circuit will work to lock the working oil from the lower chamber of the cylinder, so that the tower crane boom will not fall, thus ensuring the safety of operation.

Telescopic safety device for tower crane boom

When accidents happen, the boom telescopic cylinder loop in the high pressure hose or tubing burst or cut off, the hydraulic circuit of the balance valve on the role of the lock from the lower chamber of the oil cylinder working oil.

So that the crane will be their own retraction, thereby ensuring the safety of the operation.

Each overflow valve in the hydraulic system

Abnormal high pressure in the circuit can be suppressed to prevent the damage of the hydraulic pump and motor, and to prevent overload.

Fixing Angles H205B Mast Yongmao

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