Lifting and Handling Equipment
Your Professional Lifting and Handling Equipment Supplier
Henan Tongmaoyuan Crane Co., Ltd. is located in Changnao Industrial Park, Changyuan County, Henan Province. The company specializes in the production and R&D of high-end lifting equipment for international markets. It is equipped with advanced facilities for machining, welding, CNC cutting, heat treatment, testing, and inspection. The company operates dedicated workshops for the manufacturing, inspection, and installation of single- and double-girder bridge and gantry cranes.
Why Choose Us
Technical Parameters
We provide optimized technical specifications for single- and double-girder cranes, gantry cranes, and cantilever cranes.
Our Services
Quick Response and Full Lifecycle Support. We offer 24/7 fault response services, with a commitment to respond within 4 hours and provide solutions within 24 hours.
Customized Solutions
We analyze the specific needs of industries such as mining, construction, chemicals, metallurgy, power, transportation, railways, oil fields, and ports to deliver tailored crane selection and design recommendations.
Certifications
We hold the Special Equipment Production License, Administrative License for Special Equipment Manufacturing Units, ISO Quality Management System Certification, Environmental Management System Certification, Occupational Health and Safety Management System Certification, and a Registered Trademark.
An electric wire rope hoist is a mechanical lifting device that uses electrical power to move a rope or wire rope, which is used to raise or lower loads. At its core, an electric wire rope hoist consists of an electrically powered motor, a gearbox, a rope drum and the rope itself. The motor drives the rope drum, on which the rope is wound or unwound to move the load. These devices are known for their efficiency, precision and ability to lift heavy loads over considerable distances. Electric wire rope hoists are used in a variety of industrial applications, from manufacturing to construction to warehousing, and are a central component of both stationary and mobile crane systems.
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Wire Rope Electric Hoist |
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Capacity |
t |
0.25 |
0.5 |
1 |
2 |
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Lifing height |
m |
3 6 9 12 |
6 9 12 18 |
6 9 12 18 24 30 |
6 9 12 18 24 30 |
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Lifting speed |
m/min |
8 |
8(8/0.8) |
8(8/0.8) |
8(8/0.8) |
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Running speed |
m/min |
20 |
20 |
20 |
20 |
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|
I-Beam track modle(GB706-88) |
12-20b |
16-28b |
16-28b |
20a-32c |
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Min.Radius |
m |
1 1 1 1 |
1.5 2 |
1.5 2 2.5 3.5 |
1.8 2 2.5 3.5 |
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Motor power |
kw |
0.4 |
0.8(0.8/0.2) |
1.5(1.5/0.2) |
3(3/0.4) |
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Running motor power |
kw |
0.06 |
0.2 |
0.2 |
0.4 |
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L |
mm |
386 386 549 615 |
616 688 760 904 |
760 855 955 11501345 1540 |
820 920 1020 1220 1420 1620 |
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|
L(MD1) |
mm |
626 698 770 914 |
770 865 965 1160 1355 1550 |
830 930 1030 1230 1430 1630 |
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|
L |
mm |
104 104 267 333 |
318 390 462 606 |
401 499 597 793 989 1185 |
418 518 618 808 1018 1218 |
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|
f |
mm |
386 |
490 |
645 |
754 |
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|
B |
mm |
130 |
190 |
196 |
240 |
|
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φ |
mm |
4-φ11 |
4-φ15 |
4-φ19 |
4-φ23 |
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|
b |
mm |
90 |
120 |
127 |
155 |
|
|
f |
mm |
421 432 |
550 650 |
719 810 |
856 956 |
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B max |
mm |
398 415 |
897 |
897 |
935 |
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Weight 10% |
CD2 Two direction movement, Single speed |
kg |
33 37 41 45 |
80 85 90 95 |
130 140 157 172 186 203 |
174 190 208 232 260 284 |
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CD1 Four direction movement, Single speed |
kg |
41 45 49 60 |
118 136 153 198 |
170 180 207 222 236 253 |
230 244 299 315 337 357 |
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|
MD2 Two direction movement, Double speed |
kg |
88 93 98 103 |
138 148 165 180 194 211 |
184 200 218 242 270 294 |
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MD1 Four direction movement, Double speed |
kg |
135 140 160 170 |
183 190 225 240 254 271 |
269 284 335 369 379 404 |
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Features of Wire Rope Electric Hoist
Reliable Braking: Most electric hoists use electromagnetic or mechanical braking systems, which can immediately engage when power is cut off. This prevents heavy loads from slipping and ensures the stability and safety of suspended objects.
High Safety: The hook is usually forged from high-quality alloy steel, offering high strength and good toughness. It can withstand greater tension and impact without breaking. An anti-slip latch is also included to prevent the sling from accidentally detaching from the hook.
Good Flexibility: The pulley rotates smoothly, reducing wire rope wear and allowing for smoother lifting and lowering operations. This helps reduce operational resistance and further enhances work efficiency.
Strong Adaptability: Available in various specifications and models, electric hoists can be paired with different load capacities and hoist types to meet diverse lifting needs.
User-Friendly Design: The control buttons are logically arranged, with clear function labels, allowing operators to quickly become familiar with the controls and efficiently operate the hoist for lifting and moving.
Enhanced Safety: An emergency stop button enables rapid power cut-off during emergencies to ensure the safety of personnel and equipment. The outer shell is typically made of insulating and fire-resistant materials to minimize risks of electrical leakage.
Durability: Designed with strong protective features, electric hoists are suitable for harsh environments such as dusty or humid factory workshops. Internal components are of reliable quality, ensuring long service life.
Multiple Safety Devices
Typically equipped with limit protection, overload protection, emergency stop buttons, and other safety features.
Limit protection prevents the hook from exceeding its safe travel range.
Overload protection avoids equipment damage or safety hazards caused by excessive load.
Emergency stop button allows for quick power cut-off in case of an emergency.
Key components of an electric wire rope hoist include:
Electric Motor: The electric hoist is powered by an electric motor, which drives the lifting mechanism. The motor provides the necessary power to lift and lower the load attached to the wire rope.
Gearbox: The gearbox is responsible for transmitting the power from the electric motor to the hoisting drum. It helps to increase the torque and adjust the lifting speed as required for different loads.
Hoisting Drum: The hoisting drum is a cylindrical component around which the wire rope is wound. When the motor turns the drum, the wire rope is either wound or unwound, lifting or lowering the load respectively.
Wire Rope: The wire rope used in electric hoists is typically made of multiple strands of steel wire twisted together to provide strength and flexibility. It is the primary lifting medium that connects the load to the hoisting mechanism.
Hook or Lifting Attachment: At the end of the wire rope, there is a hook or other lifting attachment that secures the load. The hook can be equipped with safety latches to prevent accidental disengagement of the load.
Controls: Electric wire rope hoists are operated using controls, which can vary from simple pendant controls with up and down buttons to more advanced remote controls or integrated control systems.
How do Electric Wire Rope Hoists Work?
Electric wire rope hoists operate by utilizing a wire rope as the lifting medium. The wire rope, composed of multiple strands wound around a core, is designed for high strength and durability. Here’s a step-by-step breakdown of the working mechanism:
Power and Motor Activation
When the operator activates the hoist, the lifting motor powers up. This motor is connected to a gearbox that contains a series of gears designed to amplify the motor’s torque.
Torque Amplification
The amplified torque is transferred to a spline shaft, which drives the winding drum. The drum is the component around which the wire rope wraps as the load is lifted.
Winding the Wire Rope
As the drum rotates, the wire rope is drawn in, wrapping around the drum’s surface. The rope guide ensures that the wire rope aligns correctly with the helical grooves on the drum, preventing tangling and ensuring smooth operation.
Lifting the Load
The hoist hook, attached to the wire rope, lifts the load as the wire rope wraps around the drum. The lifting process is controlled by the hoist motor and braking system, allowing for precise lifting and lowering of the load.
Horizontal Movement
If the hoist is equipped with a travelling motor and trolley, the load can be moved horizontally along a beam or rail, providing flexibility in lifting operations.
Safety and Control Features
Electric wire rope hoists are equipped with various safety features, such as overload protection, emergency stop buttons, and limit switches. These features ensure that the hoist operates within safe parameters, protecting both the load and the operator.
FAQ