Anchor Frame Collar For L68B3 Mast

Products Specification

Type , Model: Anchor Frame Collar For L68B3 Mast

Size: 2m for 2M L type mast

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.

Tower Crane Knowledge sharing：

Anchor Frame Collar For L68B3 Mast

Tower Crane Knowledge sharing：

Specific requirements for tower crane grounding devices for tower crane accessories

The tower crane USES electricity the voltage is big, when USES, should do the electricity safety. It is very important to do a good job of grounding device of tower crane. Now let's talk about the specific requirements of tower crane grounding device for tower crane accessories.

Anchor Frame Collar For L68B3 Mast

1. The grounding resistance of working grounding and protective grounding shall not exceed 4 ohms, and the grounding resistance of repeated grounding and lightning protection shall not exceed 10 ohms.

2. grounding wire application yellow green special protection wire, due to the effect and the lightning protection, appropriate USES Φ 25 was above the multi-strand copper core.

3. should not be less than two grounding body, the steel tube Φ 33 - Φ 45 mm, Angle of 40-60 mm, 2 meters long, galvanized anti-rust, vertical buried, top 0.5 meters into the ground.

4. The connection between the conductor and the grounding body must be firm, welded or pressed.

Anchor Frame Collar For L68B3 Mast

Ten common faults of tower crane motor and their troubleshooting methods

Generally speaking, there are 10 cases of tower crane motor failure

1. electromagnetic brake action is not normal

2. The motor of tower crane cannot be started when there is no load

3. The motor of tower crane cannot be started when it is loaded

4. tower crane motor overheating

5. circuit breaker action

6. Low insulation resistance or breakdown

7. the tower crane motor vibration is large

8. bearing sound or overheating

9. Spark jump between the brush and the ring

10. Oil leakage at the shaft protruding end.

Anchor Frame Collar For L68B3 Mast