QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane
QZ Grab Bucket Overhead Crane

QZ Grab Bucket Overhead Crane

QZ Grab Bucket Overhead Crane is a specialized crane designed for material handling applications that require the lifting and transporting of bulk materials. It features a grab bucket attachment that is used to scoop up and transport loose materials, such as sand, gravel, or coal.

Our Grab Bucket Overhead Crane can be customized to meet specific requirements, including grab bucket size, lifting capacity, span, lifting height, and speed.


Main Features of QZ model overhead crane:

Brand components: famous crand in world
Control method: cabin control or remote control
Accessary parts: hanging beam magnet or magnet chuck or general hook, moving limit switch and loading limit.


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QZ Grab Bucket Overhead Crane

Overview:

grab-bucket-overhead-crane.jpg

QZ Grab Bucket Overhead Crane is mainly compriesd of box-shaped girder, End Carriage, Lifting Trolley, Grab bucket and Electrical control system. Generally, the power supply System for trolley and crane are festoon system and Bus Bar system.

Type:QZ

Lifting Capacity: 5~25t

Lifting Height: customized

Span:10.5~34.5m

Working Duty: A6

Ambient Temperature: -20~40℃

Features

1). Reasonable structure, strong bearing capacity

2). Low noise, soft starting and stopping

3). Safe and reliable operation

4). Commodious cabin and open view

5). Low cost maintenance, long working life

6). Strong box type,welding by machine hand.

7). Wheels are vacuum casting,medium frequency quenching

8). Wheels, wirerope drum, gears, couplings are processed by CNC manchine center, TOP quality control.

9). Heavy duty slipring motor,Or Sq.cage motor with VVVF, IP54 or IP44,insulation class F or H,soft starting and smooth running.

10). Siemens or Schneider main electric parts are used for durable and safe operation

Specification

ItemsUnitCapacity
Lifting Capacityt5101620
SpanmMax to 31.5
Working classA6
SpeedHoistm/min40.140.741.848.6
Trolley44.645.641.848.6
Crane93.786.47689
MotorHoist closingKwYZR225M-8/22*2YZR280S-10/37*2YZR315M-10/75*2YZR355M-10/90*2


If you're interested in our QZ Overhead Crane, please contact us for a quote. We'd be happy to discuss your specific requirements and provide you with a solution that meets your needs.



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CASE

Based on their intended use, overhead cranes can be classified into general-purpose cranes, steel mill cranes, and explosion-proof cranes. Each type is designed with specific working environments and load requirements in mind, ensuring safety and efficiency.

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FAQs

1. Q: What bulk materials can your grab crane handle?​​

A:​​ Engineered for ​​high-volume granular materials​​ including: • Aggregates (gravel/sand up to 2,500kg/m³ density) • Grain/cereals (≤18% moisture content) • Coal/ore with ≤50mm particle size • Custom grabs for fly ash or sludge available

2. Q: How does the VVVF drive improve bulk handling efficiency?​​

A:​​ Our ​​Schneider VVVF system​​ delivers: • ​​±50kg precision control​​ during grab closing • ​​Energy savings up to 35%​​ vs contactor cranes • Anti-sway algorithm for ≤3° swing at 48m/min

​​3. Q: What certifications ensure safety in explosive environments?​​

A:​​ Dual certifications: • ​​ATEX Zone 22 compliance​​ (dust explosion protection) • ​​IP54 hoist motors​​ with thermal cutoffs • Optional ​​anti-spark grab buckets​​ for coal handling

​​4. Q: Can it operate in -20°C conditions without downtime?​​

​​A:​​ Yes. Arctic package includes: • ​​Siemens S7-1200 PLC​​ with cold-start assist • ​​-40°C rated hydraulic fluid​​ for grab mechanisms • ​​Heated cabin/remote controls​​ standard

​​5. Q: What maintenance is required for A6 duty cycle?​​

​​A:​​ Predictive maintenance system: • ​​8,000h bearing life​​ on trolley drives • ​​Self-lubricating polymer bushings​​ • Remote diagnostics via IoT module (optional)

​​6. Q: How quickly can you deliver custom grabs?​​​​

A:​​ ​​15-day lead time​​ for: • Clamshell sizes: 0.5-8m³ capacity • Specialized grabs: Orange peel/electro-hydraulic • All grabs feature ​​Hardox 450 wear plates​


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