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Model Meaning

QTZ315:
QTZ: Pinyin abbreviation for "tower crane" (Q-lifting, T-tower, Z-self-elevating).
315: Lifting torque at maximum arm length (3150 kN·m).
7525-16:
75: Arm length 75 meters (maximum working radius).
25: Lifting weight at arm end (maximum radius) 2.5 tons.
16: Maximum lifting weight 16 tons (usually near the arm root).

Main technical parameters

1. Lifting performance
Maximum lifting weight: 16 tons (close to the tower body).
Minimum lifting weight: 2.5 tons (75 meters at the arm end).
Lifting height: about 50 meters for independent type; up to 200 meters for attached type (depending on the attachment design).

2. Working speed
Lifting speed: 0~100 m/min (variable frequency speed regulation).
Luffing speed: 20~60 m/min (horizontal movement of the trolley).
Rotation speed: 0~0.6 r/min.

3. Structural parameters
Standard section size: 2×2×3 meters.
Tower section: square lattice structure.

4. Motor power
Lifting motor: 55~75 kW (depending on the configuration).
Rotation motor: 5.5~7.5 kW.

Features and applicable scenarios

1. Advantages
Large coverage (75 meters arm length) is suitable for large projects such as high-rise buildings, bridges, power plants, etc.
Modular design for easy transportation and installation.
Frequency conversion control, smooth operation, precise lifting.

2. Configuration options
Fixed or walking foundation.
Can be equipped with attachment device (an attachment rod every 20~30 meters).

3. Safety device
Standard limiter (torque, weight, height, rotation), anemometer, anti-collision system, etc.

Factory Stock

Factory

Shandong Yongsheng Mechanical Engineering Co., Ltd. was established in 2020 and is headquartered in Jinan, Shandong, China. It is a high-tech enterprise specializing in construction machinery, integrating R&D, manufacturing, sales and export services. The company has a modern production and marketing base of 26,000 square meters, and its products are committed to providing safe and efficient earthwork, mineral resources and lifting machinery solutions for the fields of construction, mineral energy, transportation, etc.

2020

Found in

26000 ㎡

Area

Advantages

- 1. Provide free accommodation and meals;

- 2. Arrange a professional driver to escort you after arrival;

- 3. After years of cooperation with many well-known construction companies in China, we have accumulated a wealth of successful cases;

- 4. Provide high-quality after-sales service after purchasing the equipment.

Exhibition

We have professional skills and professional knowledge in evaluating machinery and equipment, so that overseas customers can buy without worries. At present, more than 200 new and second-hand engineering machinery and equipment have been provided to overseas, which has been well received by overseas customers.

Our advantages

HIGH-QUALITY

We always choose
high-quality steel to
ensure product quality.

FAST DELIVERY

Mature logistics systemto
ensure timely and
safe delivery.

EXPERIENCED

Years of experience
in product
production and sales.

REASONABLE PRICE

Factory production can
provide the most
reasonable price.

VISUAL PRODUCTION

The production processis
open to customers.

24-HOUR SERVICE

24-Hour online service
to keep abreast of the
order progress.

GET A FREE QUOTE

Second-hand ZTM