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2022年6月1日星期三

Overload Limiter for Crane, Winch Drum Hoist 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.









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







Email: weihua@craneweihua.com
WhatsApp: +86 15093392066

2022年5月23日星期一

Crane Wheel Lubrication Pipe

This crane wheel lubrication pipe is for crane steel wheel oil lubrication of overhead crane and gantry crane. It includes pipe and pipe fittings. The material of pipe: PA for inner layer; Fiber for middle layer; PU for outer layer.

Features
High pressure, Centralized lubrication, less resistance, rust resistance, good sealing, flexible, smooth, light weight, convenient installation, with pipefittings, etc.

Application
Machinery, wind power, injection molding machines, machine tools, automobiles, construction machinery, food machinery, etc. Working temperature: -40℃ to +120℃
crane wheel lubrication pipe










Email: weihua@craneweihua.com
WhatsApp: +86 15093392066

Wire Rope Pulley for electric hoist, winch and hook blocks

Crane wire rope pulley is for bearing crane wire ropes with hooks. Weihua customizes pulley blocks for your electric hoists and cranes. We also provide other Crane Components including Electric Parts and Crane Accessories.
pulley blocks



1. Application scope: Electric hoist, cranes
2. Electric hoist pulley is simply constituted by some fixed pulleys and movable pulleys.
3. Electric hoist pulley is widely used in cranes, winches and elevators.
4. Its functional principles could be summarized like this: when the number of wire-rope strands is odd, the rope end should be fixed on the movable pulley, and when the number is even, the rope ends should be fixed on the fixed pulley; when the number is even, should reduce one fixed pulley; when the pulling direction is opposite to the moving direction of weights, should add one fixed pulley.
5. For light and medium duty overhead crane, its pulley could be cast by gray cast iron HT15-33 and ductile iron QT-10; for heavy duty overhead crane, the material could be cast steel ZG25 or ZG35; and for big-diameter (D>800mm) pulley, it could be welded by carbon steel Q235-A.







Email: weihua@craneweihua.com
WhatsApp: +86 15093392066

2022年5月15日星期日

Crane Wire Rope Drum Hydraulic Brake

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



1. Application: Crane wire rope drum 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.












Email: weihua@craneweihua.com
WhatsApp: +86 15093392066

Polyurethane Buffer Rubber Bumper for Bridge Crane

1. Application scope: Polyurethane rubber buffer for crane and trolley anti-collision.

2. Polyurethane Buffer with Good hardness, good strength, quick recovery, oil resistance, weak acid and alkali resistance, and anti-corrosion.

3. Light dead weight, simple structure, low manufacturing cost and convenient to install and maintain.

4. Basing on Polyurethane Buffer connection mode, polyurethane buffer could be divided into three series: stud type (JHQ-A), platen type (JHQ-B) and flange-plate type (JHQ-C). There are 14 to 21 specifications for each series, and each specification is corresponding to one buffer capacity.
Polyurethane rubber


















Email: weihua@craneweihua.com
WhatsApp: +8615093392066

2022年5月8日星期日

Powerail Busbar Conductor Rail System for Overhead Crane

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.








Email: weihua@craneweihua.com
WhatsApp: +86 15093392066

Crane Wire Rope Guide for Electric Hoist

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.










Email: weihua@craneweihua.com
WhatsApp: +86 15093392066