Anchor Frame Collar For L44A1 Mast

Products Specification

Type , Model: Anchor Frame Collar For L44A1 Mast

Size: 1.6m for 1.6M 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.

Anchor Frame Collar For L44A1 Mast

Tower Crane Knowledge sharing：

The main problems of tower crane are summarized for you

Verse 10, a standard connection bolt looseness has 7, car beam and friction hoisting pulley, wire insulation aging, show equipment factory number and certificate number not consistent, hoisting rope serious burr, operation records with the tower crane installation does not conform to that date, high modulus construction plan did not organize experts argue that the template scaffold, discharging platform build-up is not standard, not solid, etc.

Anchor Frame Collar For L44A1 Mast

10. Six bolts in one standard section of the tower crane become loose, one of which is a single nut. The connecting bolts between the top wall and the tower body fixing frame become loose. The limit of the west cage of the construction hoist is invalid, the maintenance threshold is invalid, the action current of the leakage protector is too large, and the vibration of the east cage is obvious.

There is no construction lift installation contract and tower crane product qualification certificate, no equipment resume, and it is temporarily set as a double-layer cement prefabricated board activity room, etc.

Anchor Frame Collar For L44A1 Mast

12. crane boom and high tension line without safe distance and protective measures, slewing bearing on transition section and the tower cap friction hoisting wire rope with steel structure, the wear degree of 15 mm deep, foundation bolt looseness, serious hoisting rope burr, flattening deformation, a section of anji main oblique abdominal rod deformation.

Installation contract without installation unit affix one's seal, the formalities for examination and approval of the mounting scheme is not complete, not seen equipment record book, etc.

13. Most of the anchor bolts of tower crane are seriously bent, and the balance arm is high at both ends and deformed in the middle. The trolley's broken rope protection is invalid.

14. The disassembly plan has no approval, no acceptance test qualification certificate, no safety technology disclosure, the car has no broken rope protection, no front and rear limit, no height limit, torque limit failure, the upper and lower pins of the jacking cylinder are replaced with iron wire, and no self-inspection has been carried out after the 6.29 accident

The construction project is under construction, and the protection of the adjacent hole is not in place.

15. QTZ400 tower crane torque weight limit failure, part of the standard section bolts loose, the main wire rope guide pulley shaft pin wear up to 1/3, part of the cogging pin use steel instead, car traction rope missing 2 rope clips. QTZ600 main hook height limit removed.

16. QTZ315B tower crane gear box is damaged, there is obvious abnormal sound, hook insurance is missing, the special electric box is not connected zero protection, no tower crane related data; The standard bolt of QTZ4508 tower crane is loose, the rotary transition bolt is loose, the front limit of the trolley is out of order, the wire rope reel rope arrangement device is removed,and the disassembly and assembly plan approval is not standard.

Construction is under construction, scaffolding construction lags behind the progress of the project, unloading platform construction is very unstable.

Anchor Frame Collar For L44A1 Mast