Top 10 Mobile crane anti two block China Products Compare 2025

Have you ever wondered which factories lead the way in mobile crane anti two block technology in China? In this article, we’ll explore the top manufacturers, highlighting their innovations, quality, and reputation. Join us as we dive into the world of mobile cranes and discover what sets these factories apart!

GJ-3 mobile crane A2B Hook anti two block device Limit Switch

Product Details: GJ-3 mobile crane A2B Hook anti two block device Limit Switch, IP65 protection level, operating temperature -25°C to +60°C, max current 10A, max voltage AC 380V, weight of hammer ≥1.9kg, power supply 12-380V, CE&CCS certified, 12 months warranty.

Pros:
– High protection level (IP65)
– Wide operating temperature range

Cons:
– Limited to a maximum current of 10A
– Requires specific installation and setup


GJ-3 mobile crane A2B Hook anti two block device Limit Switch

A2b Anti Two Block with Counter Weight – All-Where Crane

Product Details: A2b Anti Two Block with Counter Weight is designed for mobile cranes with a capacity ranging from 3t to 100t. It is made from materials that ensure a certain tensile strength and is subjected to processes like cold bending, hot forging, and welding. Proper heat treatment is necessary to eliminate stresses from these processes.

Pros:
– High tensile strength for safety and reliability
– Suitable for various crane applications

Cons:
– Requires proper heat treatment to avoid stress issues
– Limited information on specific material types used


A2b Anti Two Block with Counter Weight - All-Where Crane

Anti Two Block System – Crane – Anti Two Blocking Device

Product Details: GJ-type Limit Switch (hook limit switch) is used for lifting wire rope anti-volume limit an electrical automatic protection switch. It is designed to cut off the hoist power supply to limit rope over volume and reach a certain height within the lift.

Pros:
– Suitable for both DC and AC voltage (12 ~ 380V)
– Product warranty of 12 months with free replacement for issues after installatio…

Cons:
– Average lead time of 45 days
– Limited information on installation complexity


Anti Two Block System - Crane - Anti Two Blocking Device

Anti Two block crane dan system kerjanya – PT. Artha Tehnik Mandiri

Product Details: Anti Two Block Crane

Pros:
– Increases safety during crane operation
– Prevents accidents related to two-blocking

Cons:
– May require additional training for operators
– Potentially higher initial costs


Anti Two block crane dan system kerjanya - PT. Artha Tehnik Mandiri

What Is Two-Blocking and Why do We need Anti-Blocking System?

Product Details: Anti-two-blocking systems are modern safety features installed in cranes to prevent two-blocking incidents, which occur when the load block collides with the boom nose, potentially causing equipment damage and injuries.

Pros:
– Protects operators and workers from harm
– Enhances productivity and efficiency on job sites
– Ensures safe load and lift operations

Cons:
– Older cranes may lack this technology
– Malfunctioning systems can lead to accidents

Telescopic core review Flashcards – Quizlet

Product Details: Telescopic Core Review Flash Cards

Pros:
– Interactive learning tool
– Convenient for quick study sessions

Cons:
– Access may be restricted
– Requires internet connection

Telescopic core review Flashcards – Quizlet

Product Details: Telescopic Core Review Flash Cards

Pros:
– Easy to use
– Helps with quick revision

Cons:
– Limited content
– May not cover all topics

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Comparison Table

Company Product Details Pros Cons Website
GJ-3 mobile crane A2B Hook anti two block device Limit Switch GJ-3 mobile crane A2B Hook anti two block device Limit Switch, IP65 protection level, operating temperature -25°C to +60°C, max current 10A, max volta… – High protection level (IP65) – Wide operating temperature range – Limited to a maximum current of 10A – Requires specific installation and setup www.tradechina.com
A2b Anti Two Block with Counter Weight – All-Where Crane A2b Anti Two Block with Counter Weight is designed for mobile cranes with a capacity ranging from 3t to 100t. It is made from materials that ensure a… – High tensile strength for safety and reliability – Suitable for various crane applications – Requires proper heat treatment to avoid stress issues – Limited information on specific material types used www.allwherecrane.com
Anti Two Block System – Crane – Anti Two Blocking Device GJ-type Limit Switch (hook limit switch) is used for lifting wire rope anti-volume limit an electrical automatic protection switch. It is designed to… – Suitable for both DC and AC voltage (12 ~ 380V) – Product warranty of 12 months with free replacement for issues after installatio… – Average lead time of 45 days – Limited information on installation complexity www.tradechina.com
Anti Two block crane dan system kerjanya – PT. Artha Tehnik Mandiri Anti Two Block Crane – Increases safety during crane operation – Prevents accidents related to two-blocking – May require additional training for operators – Potentially higher initial costs arthatehnikmandiri.com
What Is Two-Blocking and Why do We need Anti-Blocking System? Anti-two-blocking systems are modern safety features installed in cranes to prevent two-blocking incidents, which occur when the load block collides w… – Protects operators and workers from harm – Enhances productivity and efficiency on job sites – Ensures safe load and lift operations – Older cranes may lack this technology – Malfunctioning systems can lead to accidents heavyequipmentcollege.edu
Telescopic core review Flashcards – Quizlet Telescopic Core Review Flash Cards – Interactive learning tool – Convenient for quick study sessions – Access may be restricted – Requires internet connection quizlet.com
Telescopic core review Flashcards – Quizlet Telescopic Core Review Flash Cards – Easy to use – Helps with quick revision – Limited content – May not cover all topics quizlet.com

Frequently Asked Questions (FAQs)

What is an anti two block system in mobile cranes?

An anti two block system is a safety feature designed to prevent the crane’s hook from coming into contact with the boom. This system helps avoid accidents that can occur when the hook is raised too high, ensuring safer operation and reducing the risk of equipment damage.

Why are anti two block systems important in mobile cranes?

These systems are crucial for enhancing safety during crane operations. They help prevent dangerous situations that can lead to accidents, injuries, or fatalities, making them essential for compliance with safety regulations and protecting workers on site.

How do anti two block systems work?

Anti two block systems typically use sensors or limit switches that detect the position of the hook relative to the boom. When the hook approaches the boom too closely, the system triggers an alarm or automatically stops the crane’s movement, preventing a potential collision.

Are anti two block systems standard in all mobile cranes?

While many modern mobile cranes come equipped with anti two block systems, not all models have them as standard features. It’s important to check the specifications of the crane you are using and consider retrofitting if necessary for enhanced safety.

What should you do if the anti two block system malfunctions?

If you suspect a malfunction in the anti two block system, stop using the crane immediately and conduct a thorough inspection. Report the issue to your supervisor or maintenance team, and do not resume operations until the system is repaired and fully functional to ensure safety.

Top 10 Mobile crane anti two block China Products Compare 2025

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