Launching Crane Technical Specifications

This document provides detailed technical specifications for various models of launching cranes used in construction and heavy lifting projects.

1. Crane Models and Capacity

• Models include: JQG120/30m, JQG160/40m, JQG200/50m, JQG250/55m, JQG320/60m, and JDP700/40m.
• Capacity ranges from 2 x 60 tons to 10 x 70 tons depending on the model.

2. Key Performance Parameters

• Max Span: Varies from 30m to 65m.
• Lifting Height: Consistently 40m for most models, except JDP700/40m at 45m.
• Lifting Speed: Ranges approximately between 0.78 to 1.17 m/min depending on the model.
• Work Duty: Classified as A3 or A4, indicating operational intensity.
• Max Slant Angle: ±4 degrees for all models.
• Max Slope of Longitudinal: Up to 24% for the JDP700/40m model, others up to 5.08% or less.

3. Movement and Speed Characteristics

• Longitudinal truss car speed ranges from 0 to 4 m/min.
• Longitudinal speed of main girder travel is approximately 2 to 2.3 m/min.
• Transverse speed of trolley varies from 0.5 to 1.2 m/min.
• Transverse speed of the whole crane is around 3.24 to 3.37 m/min.
• Minimum applicable curve radius is 300 meters for all models.

4. Structural Dimensions and Load Capacities

• Dimensions such as W (width), L (length), D (height), d (depth), A, a, and H are specified for each model, indicating the physical size and operational envelope.
• Max jacking forces for hydraulic rear, front, and middle legs range from 600 kN to 1600 kN depending on the model.

5. Power and Weight

• Total power consumption ranges from approximately 60.4 kW to 208.2 kW.
• Total weight of cranes varies from about 117 tons to 433 tons.

6. Operational Efficiency

• Theoretical operation efficiency is indicated in hours per piece, ranging from approximately 76.1 to 155.6 hours.

Summary

This technical data sheet outlines the critical parameters for selecting and operating launching cranes for heavy construction projects. It includes capacity, dimensions, speed, power, and operational limits, ensuring safe and efficient crane deployment.