INTRODUCE :

As a professional manufacturer, Kingrail Parts can provide various crane bolts according to customer requirements and drawings. Choosing the most suitable crane bolt will help you reduce crane installation costs and difficulty installation.

SPECIFICATIONS :

Our solution

Hold down the bolt and level option

1. J bolts or deformed bar casting into concrete

A: Cheap material

A: Location accuracy decreases

B: The soleplates may not be suitable for over bolts

 

2. Angle cut bar screwed into the drill

A: Very accurate

A: The soleplate hole can be used as a template

B: May hit reinforcement on drilling

 

3. Void formed during casting

A: Kingrail Parts sells specialized empty forming tubes

A: Economic with cement based grout

B: It is expensive to fill in epoxy/polying grouting

 

4. Casting into the proprietary removal bolt sleeve

A: Tolerance is not accurate

A: High intensity, simple

B: Complicated formwork to hold dummy soleplate

 

5. Slot soleplate, cover plate, and then drill bolt holes

A: If the reinforcement is struck, you can change the position at the scene

B: More parts and operations

B: Welders may not be available during installation

B: Remove zinc before the welding is galvanized plate

 

6. Thread bar cast into the thread sleeve

A: Easier to re-level and improve the soleplate

A: Cater to settlement

B: The accuracy is difficult to guarantee

B: More parts/expense

 

Levelling

7. Levelling screw through welding nut

A: Cheap and easy to use

B: The nuts are often removed during transit

B: Can be a load path

B: Can be bonded to grout

 

8. Levelling nut under soleplate

A: Low material cost (+1 nut/washer)

A: No need to disassemble levelling screw

B: Sometimes it is impossible to access nut in trench

B: Fiber washer must be used before grouting

 

9. Drilling and tapped the soleplate

A: Easy to use on site

A: Do not increase the soleplate size

B: Expensive to drill and tap

B: You must remove the set screw to tighten the bolt

B: Set screw often bond with grouting

 

Contact us

Please contact us to get more information and quotations.