Tower Crane Anchorage Frame

Tower Crane Tie Rod System | Fixed and Retractable Wall Tie Rods

Tower Crane Tie Rod System | Fixed and Retractable Wall Tie Rods

Professional tower crane tie rod solutions for wall tie and anchorage frame systems, including fixed tie rods, retractable tie rods, adjustable screw sections and custom end connections.

Suitable for tower crane anchorage systems requiring stable building connection, mast support, custom tie distance adjustment and replacement wall tie rod production.

tower crane tie rod system overall view for wall tie applications

Recommended hero image: overall view of fixed and retractable tower crane tie rods.

What Is a Tower Crane Tie Rod in a Wall Tie System

A tower crane tie rod is a structural member used together with the anchorage frame to connect the crane mast to a building or fixed support structure. In a complete wall tie system, the tie rod helps transfer force and improve mast stability when the crane operates above its freestanding height.

In practical projects, the tie rod is not an isolated spare part. It works together with the tie collar frame, anchorage supports, pins, bolts and building connection points as one anchorage system.

How Tower Crane Tie Rods Work with Anchorage Frames

When a tower crane exceeds its freestanding height, a wall tie or anchorage frame system is normally required. The tie rod connects the anchorage frame on the mast side to the building side support, helping the crane maintain stability under working load and wind load conditions.

  • Connects tower crane mast and building structure
  • Transfers load through the wall tie system
  • Supports mast stability at attachment levels
  • Works with pins, bolts, supports and anchorage frames

Fixed vs Retractable Tower Crane Tie Rods

Fixed Tie Rod

  • Simple structure
  • Fixed manufactured length
  • Suitable for confirmed tie distance
  • Often used when project dimensions are stable and clear

Retractable Tie Rod

  • Length adjustment capability
  • Suitable for projects requiring installation tolerance control
  • Useful when site tie distance has adjustment demand
  • Can be supplied with threaded adjustment and active end fittings

Retractable Tower Crane Tie Rod Structure

A retractable tie rod system can include an outer rod, inner rod, adjustable screw section and movable connection end, making it easier to fit different wall tie distances and project-specific connection requirements.

tower crane tie rod system overall view for wall tie applications

Recommended image: your labeled retractable tie rod structure image.

Standard Retractable Tie Rod Length Reference

Our reference drawing shows multiple retractable tie rod lengths for different tower crane wall tie distances. Common overall length references can cover approximately 3245 mm to 9545 mm, with several intermediate sizes for different installation needs.

tower crane retractable tie rod length drawing from 3245mm to 9545mm

Recommended image: your retractable tie rod dimension drawing.

Main Factors That Affect Tower Crane Tie Rod Design

Mast Section Size

Tie rod systems must match the anchorage frame and mast category, such as 1.2m, 1.6m or 2.0m mast systems.

Tie Distance

The distance from crane mast to building affects the required rod length, adjustment range and end fitting style.

Crane Data

Crane type, jib length, hook height and out-of-service wind conditions all affect wall tie arrangement.

Building Connection

Concrete column, beam, slab edge or steel structure may require different connection plates and support solutions.

Wall Tie Layout, Spacing and Installation Principles

The arrangement method, spacing and attachment distance of tower crane tie rods should follow the crane manufacturer’s instruction manual and the approved project design. When these conditions change, the wall tie system should be re-checked and redesigned where required.

  • Attachment spacing and free height above the highest attachment point should follow the instruction manual and project scheme
  • The angle between the attachment system plane and the horizontal plane should not exceed 10°
  • The anchorage frame is preferably installed at the mast standard section connection position and should clamp the mast firmly
  • During installation, tower verticality should be measured and adjusted by the attachment members
  • Below the highest anchorage point, tower verticality tolerance can be controlled to 2/1000

Tower Crane Tie Rod Connection Types and End Fittings

  • Pin-connected end fitting
  • Threaded adjustment section
  • Plate-end connection
  • Heavy-duty custom bracket connection
  • Custom pin hole size and end structure by drawing

Custom Tower Crane Tie Rod Manufacturing by Drawing

We can supply fixed and retractable tie rod solutions according to drawing, mast size and project tie distance. Custom production can include rod length, thread section, end fitting, plate size, pin size and complete connection accessories.

  • Fixed tie rod by confirmed distance
  • Retractable tie rod by adjustment range
  • Custom end connection by site condition
  • Matching solutions for 1.2m / 1.6m / 2.0m anchorage systems

What Information You Need to Send for Tie Rod Quotation

  • Tower crane brand and model
  • Mast section size
  • Distance from mast to building
  • Connection structure type
  • Drawing, site sketch or old sample photo

FAQ

1. What is a tower crane tie rod used for?

A tower crane tie rod is used to connect the anchorage frame to the building structure and help stabilize the crane mast in a wall tie system.

2. What is the difference between fixed and retractable tie rods?

Fixed tie rods are manufactured to a confirmed length, while retractable tie rods allow adjustment within a certain range and are useful when the installation distance requires fine adjustment.

3. How do I choose the right tie rod length?

Tie rod length depends mainly on mast section size, tie distance, connection structure and the project wall tie arrangement.

4. Can the tie rod angle be freely changed on site?

No. The installation angle and arrangement should follow the manufacturer’s instruction manual and approved design. The attachment system plane angle should not exceed the relevant project requirement.

5. When should the wall tie system be redesigned?

If attachment spacing, tie distance, connection structure or other key conditions differ from the original instruction or approved scheme, the system should be re-checked and redesigned where required.

6. Can you customize tie rods by drawing?

Yes. We can manufacture fixed and retractable tie rods according to drawing, tie distance, end fitting requirement and mast size.

7. Can one tie rod system fit all mast sections?

Not as a universal one-size-fits-all product. The tie rod system should match the anchorage frame size and project conditions for 1.2m, 1.6m or 2.0m mast systems.

8. What should I send for fast quotation?

Please send crane model, mast size, tie distance, connection condition and any available drawing or site reference.

Need Fixed or Retractable Tie Rod Solution?

Send us your tower crane model, mast size, tie distance and drawing. We can recommend the suitable tie rod type, end connection and matching anchorage system.

Email: [email protected]
WhatsApp: +86 13905120947
Website: atlastowercrane.com

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