8t European Type Low Headroom Electric Wire Rope Hoist for Bridge Crane

Product Description

Single Girder Electric Wire Rope Hoist with 4/1 Falls Electric Trolley
Product Description
A new generation Electric Hoist which fabricated according to ISO,GB,FEM,DIN,BS standards
1. Autonomous and Controllable Design Concept of Core Technology
Cooperate with major university research institutes to develop core spare part, and can realize the independent production of core spare part, so as to achieve controllable product quality and controllable construction period.
Autonomous and controllable of core spare part:
- Motor (Structural Design and Electromagnetic Calculation of Motor):
a) Electromagnetic Design
b) Bearing Life Calculation
c) Force Analysis of Spindle
d) Ventilation and heat dissipation design
- Reducer (Structure Design of Reducer):
a) 8 Kinds of Driving Devices
b) Light Alloy Shell
c) Low Carbon Alloy Forged Steel, Grinding Technology
d) High quality seals, heavy duty industrial gear oil
- ASW Anti-swing system (The Third Generation Anti-Swing Control System):
a) Function upgrade: It can replace PLC to realize logic control and electric anti-swing function
b) High Matching: No Restriction on inverter brand
c) Cost advantage: Saving communication cards and lines
- Integrated controller:
a) Fault Information Display
b) Voltage and Current Protection
c) Overload protection function
d) Travelling record Function
e) Logic Control Function
f) Real-time monitoring function
g) Anti-swing function
h)Anti skewed and inclined lifting
i) Big Data Communication
- Frequency:
a) For crane use only: It owns the features as follows: small volume, small power and high cost performance
b) High support performance: It can support open-loop vector control and V/F control, the starting torque is large
c) Special Control Function: Equipped with special brake control function of crane driving system
d) Wide range of applications: It can be widely used in driving and controlling occasions such as the lifting, translation and rotation of lifting equipment
Independent Production of Core Components Advantages:
a) Quality Assurance
b) Customized Design
c) Fabrication Time Guarantee
d) After-sales Guarantee
2. Modular design concept
NR Electric Hoist with modular structure can fully meet your requirements which owns unprecedented flexibility and can provide you with perfect solutions for personalized needs.
Modular Design:
a) Motor Module
b) Reducer Module
c) Drum Group Module
d) Wheel Group Module
3. Intelligent and remote operation and maintenance design concept
Intelligent safety monitoring system has the advantage as follows:
a) Calculating the remaining safety cycle of lifting mechanism
b) Brake safety operation time
c) Accumulated starts times of hoisting and travelling
d) Records the load tonnage
e) Overload protection, prohibit users from illegal overloading operations
f) Real-time monitoring of crane's operating Power Supply
g) Motor overheat protection
h) Extensible wireless access point, it can access to user's big data center monitoring management, so as to realize remote operation and maintenance
A new generation of security monitoring system:
a) More accurate recording of system information: timing and counting can be accurate to seconds, and real-time queries can also be realized
b) Black Box Function which can record the malfunctions and operations
c) More comprehensive monitoring: it can monitor peripheral equipment and power supply situation
d) Multi-channel monitoring signal access: crane condition, fault category diagnosis
e) Instant Messaging Function which owns the features as follows: convenient networking and remote information transmission
f) More comprehensive output such as: operation output, fault output, timely alarming
g) Operating Interface: Both in Chinese-English Language, Real-time Clock
4. Low headroom and compact design concept
All series Electric Hoist are equipped with large diameter drum, which can effectively increase the lifting height and reduce the left and right limits. Crane's dead zone when working becomes smaller, which can provide larger using space for the customers.
a) Larger diameter drum
b) Larger winding rope capacity
c) Higher lifting height
Comparison of the length of Traditional and New Type Electric Hoist with the same lifting height, NR Type Electric Hoist
5. Design concept of Maintenance-free, energy-saving and Green
Integral structure of Gear motor: Compact structure/Reduce the deadweight/Reduce noise
a) The motor power is reduced by 30% compared with the traditional Electric Hoist
b) Through the mature application of Variable frequency positioning technology, the work efficiency is improved by more than 20%
c) The noise of the whole machine is below 70 decibels
d) The brake pads adopt non-asbestos design
e) No metal dust caused by the slide friction between the Nylon Rope Guide and Steel Wire Rope, drum, providing workers with high cleanness operation environment
f) The high-precision hard gear reducer has been filled with international brand lubricants before delivery from factory , and there is no need to replace it within the service cycle of the product
g) Adopt international brand and maintenance-free steel wire rope
h) High-strength Nylon rope guides, change from wearing parts to durable parts
i) International brand electrical components, bearings, and pendent controller
j) Electromagnetic disk brake with automatic compensation of brake clearance and maintenance-free function
6. Rugged and safe design concept
a) The whole machine passed the national standard life test (1600 hours)
b) The service life of electrical components is not less than 500,000 times
c) The safe use of brake reaching 1 million times
d) The breaking force of the wire rope reaching grade 2160
e) The hook adopts high-strength T-class hook head
f) 10 years free maintenance of speed reducer
Product Parameters

Capacity (t)	Lifting Height (m)	Lifting Speed (m/min)	Rope Reeving	Lifitng Power (kW)	Travel Speed (m/min)	Travel Power (kW)	Work Duty FEM/ISO		H (mm)	C (mm)	Rail Gauge S(mm)
3.2	6/9/12/15/18	5/0.8	4/1	3.3/0.5	20/5	0.25×2	2m	M5	500	420	1400~2000
5	6/9/12/15/18	5/0.8	4/1	6.1/1	20/5	0.37×2	2m	M5	520	425	1400~2000
6.3	6/9/12/15/18	5/0.8	4/1	6.1/1	20/5	0.37×2	1Am	M4	520	425	1400~2000
8	6/9/12/15/18	5/0.8	4/1	9.5/1.5	20/5	0.37×2	3m	M6	550	580	1400~2000
10	6/9/12/15/18	5/0.8	4/1	9.5/1.5	20/5	0.37×2	2m	M5	550	580	1400~2000
12.5	6/9/12/15/18	5/0.8	4/1	12.5/2	20/5	0.55×2	1Am	M4	550	580	1400~2000
16	6/9/12/15/18	4/0.6	4/1	15/2.5	20/5	0.95×2	2m	M5	720	920	1400~2400
20	6/9/12/15/18	4/0.6	4/1	15/2.5	20/5	0.95×2	1Am	M4	720	920	1400~2400
20	6/9/12/15/18	4/0.6	8/2	15/2.5	20/5	0.95×2	2m	M5	720	920	1700~2700
25	6/9/12/15/18	2.8/0.5	12/2	18/3	20/5	1.1×2	2m	M5	850	800	1700~3500
32	6/9/12/15/18	2.8/0.5	12/2	18/3	20/5	1.5×2	1Am	M4	850	800	1700~3500
32	6/9/12/15/18	3.2/0.7	16/2	22/5	20/5	1.5×2	3m	M6	1025	800	1700~3600
40	6/9/12/15/18	2.8/0.6	16/2	22/5	20/5	1.5×2	2m	M5	1025	800	1700~3600
50	6/9/12/15/18	2/0.5	16/2	22/5	20/5	2.2×2	1Am	M4	1090	750	1700~3600
50	6/9/12/15/18	0.7-3.3	12/2	38	20/5	2.2×2	2m	M5	1090	800	2200~3600
63	6/9/12/15/18	0.7-3.3	12/2	38	20/5	3×2	1Am	M4	1090	800	2200~3600

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