Crane Warning System

This crane warning system consists of a siren and a light. The siren and light work during crane working. This system can be used at project machines such as overhead crane, gantry crane, truck crane, all terrain crane, rubber type crane, STS crane, etc.

 

Features:

1. Audible and Visible;

2. Project plastic shell, durable and good performance;

3. Alarming sound is loudly and clear, simple use, working continuously, simple installation, adjustable sound volume.

 

 

Specification:

Rated Voltage: AC 220V (customized available)

Power Frequency: 50~60Hz

Sound Volume: A (customized available)

Sound Level: 106dB±5Db

Power: ≤10W

Alarming: Sound&Light

Light Type: LED (A233)

Working Temperature: -30~+70℃

Working Humidity: 10~95%

Protection: IP65

Siren Material: ABS; Light Material: PC

Color: red

 

 

https://www.weihuacraneglobal.com/product/Crane-Warning-System.html

Email: weihua@craneweihua.com

Crane Travel Switch

Travel switch is a travel limit and terminal protection for the crane traveling or hoisting. The travel switch can be a trolley travel switch. When the trolley approaches the limit position, the operation is stopped in one direction and can be operated in the reverse direction. The function of a crane travel switch is similar to the trolley travel switch.

 

 

1. Application scope: Interlock protection.

2. This travel switch is an usual master switch. 

3. Its functional principle likes buttons: Switching circuit basing on the routing position of traveling parts.

4. The travel switch could be widely used in many area, like various machines and cranes.

 

 

Travel switch

 

 

 

https://www.weihuacraneglobal.com/product/Travel-Switch.html

Email: weihua@craneweihua.com 

3D Animation of Crane Trolley - WeiHua Group

This video shows the 3D animation (Email: weihua@craneweihua.com) of crane trolley made by Weihua Group from China. You will see the features of Weihua Crane Trolley.

https://www.weihuacraneglobal.com/product/FEMDIN-Crane-Trolley--Crane-Trolley.html

Single Girder Overhead Crane with FEM DIN Standard

Single girder overhead crane with FEM DIN features: (Email: weihua@craneweihua.com) European and Germany FEM/DIN standard, integrated end carriage, light weight design, high-strength alloy steel wheels.

https://www.weihuacraneglobal.com/product/FEMDIN-Single-Girder-Overhead-Crane--Single-Girder-Overhead-Crane.html

Crane Conductor Rail System

 Conductor rail system can be the single pole conductor bar system, seamless conductor rail system, and solid steel conductor rail system. As a leading crane manufacturer, Weihua provides all kinds of power supply systems for cranes.

 

Conductor rail system

 

1. Single-Pole Conductor Bar System

The single pole conductor bar materials are copper (200A-5000A) and aluminum (150A-3000A). The aluminum conductor bar is provided with a proven stainless steel contact surface (There is no need to add stainless steel strip in case the conductor used as busbar).

 

 

Any numbers of poles conductor bar can be installed vertically or horizontally, on straight or curved system. This single pole conductor bar system can be used outdoor with a protective cover which is antioxidant, UV resistant, impact resistant. For high temperature environment (-40 ~ 115℃), the protective cover is available with different sizes for different sized conductor bar. Besides, we supply the full set conductor system, including conductor bar, protective cover, jointing material, feed sets, end caps, hangers, expansion section, Current Collector, tow arm, support bracket, isolation section, etc.

 

 

Weihua also provides curved conductor bar with R≥1200mm. All conductor bars are approved by CCC, ISO9001 and CE.

 

 

 

2. Seamless Conductor Rail System

The seamless conductor rail system is without any joints within length 1000m, which is available for 3P, 4P (50A, 80A, 100A, 120A, 140A) with load matching. Meanwhile 3P, 4P can be combined into the 6P or other level. Weihua provides complete seamless conductor rail system including components such as hanger clamp, bended joints, Current Collector, towing bracket, end tensioner/feeding, towing arm, carbon brush, support bracket, etc.

 

 

The seamless conductor rail system has the features of quick and easy installation, economical and practical, stable operation, fast speed, less noise, flexible power supply, etc.

 

4P Conductor Data:

Rating: 4P, 660V, 50A-120A

Conductor material: copper

Insulation cover/jacket: Rigid PVC within 75℃

Color: Orange (Eye-catching warning color)

 

 

3P Conductor Data:

Rating: 3P, 660V, 50A-120A

Conductor material: copper

Insulation cover/jacket: Rigid PVC within 75℃

 

3. Solid Steel Conductor Rail System

The solid steel conductor rail system is an open style conductor system which is composed of a ladder type copper rod and a channel steel or a T shape copper row and a groove type aluminum. It is supported by high-strength special insulators to form a mobile sliding line that feeds lifting equipment.

 

 

The length of the conductor bar section is usually 6m and the insulation bracket installation spacing is generally 3m. This open solid conductor system is usually for large tonnage cranes. The power supply current is usually ≥800A, 1000A, 1600A, etc.

 

https://www.weihuacraneglobal.com/product/Conductor-Rail-System.html

Email: weihua@craneweihua.com

Weihua Production Capacity of Crane Trolleys +500t Make Great Progress

 A few days ago, another heavy equipment was officially put into use at Weihua Crane Intelligent Industrial Park. A 16m×8m×6m heat treatment annealing furnace for heavy structural parts successfully realized the overall annealing of a 320t metallurgical trolley.

 

As the core process and processing technology of large metallurgical cranes, this large annealing furnace can meet the annealing treatment of various structural parts of large metallurgical cranes with capacity above 500t, and the equipment processing capacity has reached the leading level in the lifting industry.

 

 

1. Precise temperature control

The furnace temperature control accuracy is ±3℃, and the furnace temperature uniformity in the same zone is ±10℃. It adopts PLC control mode to automatically realize multiple heating processes.

 

2. Intelligent control

Three-dimensional heat storage, zoned furnace temperature control, nozzle size and layout can be set according to actual needs, so that the workpiece is evenly heated in the furnace.

 

According to the product structure, Weihua has formulated a special annealing process, which can improve or eliminate various structural defects and residual stresses in the welding process, improve the comprehensive mechanical properties of the workpiece, prevent fatigue deformation damage and weld joint cracking, and eliminate Potential safety hazards to ensure the dimensional stability of each organization.

 

 

Overall processing capacity of large metallurgical crane reducer:

 

1.Full-size processing capacity

With large-scale CNC floor boring and milling machines with 260mm and 200mm spindles, CNC gantry boring and milling machines and other equipment, as well as corresponding processing tools, it has a full-size, high-precision processing capability coverage for large metallurgical crane structural parts of 300t-500t and above.

 

2.Combined process & combined processing

The processing mode is transformed from single-piece processing to combined processing, and the whole process quality control mode is constructed.

 

3.Overall machining accuracy

It can realize the combined processing of large components and full-size large area, multi-directional boring, milling, and drilling. The linear positioning accuracy is 0.02mm, the axis parallel accuracy of each hole system is 0.015mm, and the flatness of the joint surface is good.

 

Weihua carried out many metallurgy crane projects for many big steel plants in China and overseas.

 

https://www.weihuacraneglobal.com/news/Weihua-Production-Capacity-of-Crane-Trolleys-500t-Make-Great-Progress.html

Email: weihua@craneweihua.com

 

Crane Overload Limiter

This overload limiter is fitted on the winch wire rope drum shaft for overload protection. Weihua is a leading crane manufacturer in China, providing all kinds of Crane Components including Electric Parts and Mechanical Parts.

 

This overload limiter

 

 

Technical Parameters of Overload Limiter:

1. Application: for 3 ~ 100t overhead crane and gantry crane

2. Complete sets: includes bearing seat sensor and monitoring instrument composition

3. Monitoring accuracy:

Display error ≤ ±3%

Action error ≤ ±3%

Comprehensive error ≤ ±5%

4. Alarm set:

Precast starting point at the rated weight of 90%

Delay precast starting point at the rated weight of 105% (extended time: 1 to 2 seconds)

Alarm starting point at the rated weight of 120%

5. Sensor overload capacity: 1.5 times of the rated load

6. Control contact form: normally closed; capacity: 5 ~ 10A

7. Power: 380V or 220V, 50Hz

8. Working environment: -20 ℃ ~ 60 ℃, ≤ 90% RH

9. Protection class: sensor IP65, monitoring instrument IP42

 

 

https://www.weihuacraneglobal.com/product/Overload-Limiter.html

Email: weihua@craneweihua.com

Crane Steel Wheel

Crane wheels are for overhead crane, gantry crane, casting cranes, bin loading cranes, slab handling cranes, steel coil clamp cranes, magnet cranes, etc. in the metallurgical plant. Crane wheel forging materials: 60#, 65Mn, 42CrMo. 

 

Features of Crane Wheels:

1. Application scope: Sustaining the overhead crane or gantry crane

2. Weihua crane wheels adopt ZG430-640 cast steel, and thermal treatment on surface.

3. Surface hardness of our crane wheels is HB 300-350, and depth of quenching is more than 20mm.

 

Crane wheels

 

 

 

 

https://www.weihuacraneglobal.com/product/Wheel.html

Email: weihua@craneweihua.com

3D Animation of Electric Rope Hoist ND

Features of ND electric rope hoist: (Email: weihua@craneweihua.com) Hook: Germany DIN standard; Reducer: Germany hard tooth surface; Wire rope: high strength wire; Designed and manufactured with FEM/DIN standard.

https://www.weihuacraneglobal.com/product/ND-Wire-Rope-Electric-Hoist.html

3D Animation of Overhead Crane with Electromagnet

Features of Overhead Crane (Email: weihua@craneweihua.com ) with Electromagnet: horizontal arrangement double drums, 270 degree rotation trolley; circular alloy steel orbits. 

https://www.weihuacraneglobal.com/product/Overhead-Crane-with-Electromagnetic-Beam.html

Wire Rope Guide

Rope guide is also called wire rope arranging device used to make crane steel wire rope neatly arranged around the drum to avoid wire rope circles in a mess or overlaps causing malfunction to Electric Hoist, or even destroy the hoist. Crane rope guide can guarantee the normal working of electric hoist, and extend the service life of wire rope and drum.

 

Rope guide

 

1. Application: Rope guide for electric hoist wire rope guide.

2. Rope guide is also called rope arranging device.

3. Its function is to make wire rope neatly arranged around the drum, in case wire rope circles in a mess or overlaps cause malfunction to electric hoist, even destroy the hoist.

4. when rope guide is running, it gets a large lateral force. That causes brakes. Wire rope guide is the most easily damaged part of electric hoist.

5. Its interchangeability is good.

 

 

 

https://www.weihuacraneglobal.com/product/Rope-Guide.html

Email: weihua@craneweihua.com

Crane Brake

Crane brake is an important parts for Overhead Crane or Gantry Crane, which can decelerate and stop the running of a crane.

 

Crane brake

 

1. Application: Crane brake is for the moving parts deceleration.

2. There are 2 types: friction brake and non-friction brake.

3. Crane brake is mainly constituted by brake pad, brake arm, brake wheel and brake releaser.

4. To reduce the braking torque and the size of brake frame, the brake is usually installed on the high-speed shaft. To meet the needs of high safety for large machinery, like mine hoist and elevator, the brake should be installed on the low-speed shaft which next to the working parts the large machinery.

 

 

 

 

https://www.weihuacraneglobal.com/product/Brake.html

Email: weihua@craneweihua.com

Crane Control Handles

 Crane control handles can be a wire pendant, wireless remote control or radio control, etc. It can be used to control electric hoist, trolley crab, open winch hoist, etc. on the overhead crane or gantry crane. The wire pendant is usually with rated voltage below 500V, rated current below 15A, which can work in the rain and snow, dusty environment. The wireless remote control handle are different in size. It can be a handle piece or a control panel with joystick (This kind is for large cranes).

 

Crane control handles

 

 

 

 

 

 

 

 

Features of Wire Pendant and Wireless Handle Piece.

1. Nylon fiber shell, glass fiber, strong and durable;

2. Fixing screws, easy to install and simple;

3. Dust-proof structure, metal contact keys, feel comfortable;

4. ABS plastic body with good-looking appearance and reasonable structure.

5. Rubber cable sleeve and waterproof seal.

6. Simplified circuit for safety operation.

7. COB button.

8. Contact resistance ≤50M.

9. Mechanical life: Momentary type: press 1 million times, Emergency stop self-locking button: press 50,000 times.

10. Electric life: Emergency stop self-locking button: press 50,000 times.

11. Protection: IP65.

 

 

Joystick remote control is usually used for the control of Double Girder Overhead Crane and Gantry Crane. Different from a crane pendant control, this joystick control is U-frequency mainly with 1 or 2 joysticks to control the inverter cranes.

 

 

Features of Joystick Remote Control:

1. Anti-interference, large crystal oscillator above 100;

2. Programmable output settings, up to 16 output points;

3. Nylon-reinforced reinforced plastic case to prevent damage caused by falling and strong collision;

4. Operating distance can be 100 meters;

5. Receiver with output cable for easy and fast installation;

6. Transmitter three-stage power indicator;

7. Acceleration delay setting can be planned (making the crane run smoother);

8. Multiple security protection design: Hamming code watchdog line 32-bit non-repetitive identification code.

 

 

Main Data of Joystick Control:

• Size: 20*11*9 cm;
• Weight: about 1 kg;
• 2 five-speed paragraph feeler;
• 6 single speed buttons (including power button);
• 1 emergency stop mushroom head;
• 1 rotating key;
• 2 2-stage selector switches;
• 2 3-stage selector switches;
• More than 40 relay outputs (software settings);
• Installed closed and open relay;
• Support passive antenna (optional);
• Working temperature: –35~+80°C;
• Transmitter power supply 4 AA alkaline batteries / rechargeable battery;
• Receiver power supply AC48/110/220/380V (optional);
• Protection class IP65;
• Identification code 4.3 billion groups no-repeat identification code;
• Hamming code ≥ 4

https://www.weihuacraneglobal.com/product/Crane-Control.html

Email: weihua@craneweihua.com