Product Description

We Are Manufacturer Since 1998
We have over 15 years experience of manufacturing High Mast Lighting Poles. We are 1 of THREE manufacturers that own AIRPORT EQUIPMENT CERTIFICATION in China. You can find our high mast lights in tens of airports in China, and they are also installed in Kenya Airport, Bangladesh airport and etc.
We manufacture of High Mast Lighting poles with height from 18M-50M
Our production capacity: 1000 pcs per month for High Mast Lighting Poles
Specifications
Height
From 18 m to 50m high mast lighting poles
Suit for
Airport, seaport, plaza, stadium, square, highway station, street way, etc
Shape
Round, Multi-pyramidal, Column form, polygonal or conical
Material
Q345B/A572, minimum yield strength>=345n/mm2
Q235B/A36, minimum yield strength>=235n/mm2
Torrance of dimension
+- 2%
Lighting Source
400 W- 5000 W high pressure sodium flood light, light extension: Up to 30 000 m²
Light plate
Various figure of selection, material with hot dip galvanization steel frame
Lifting system
Lifter fixed in the inner of the pole with lifting speed of 3~5 meter per minute
Equipped e; Ant ferromagnetism brake and break proof device, manual operation applied under power cut
Electric appliance control device
Electric appliance box to be the hold of the pole, lifting operation could be 5 meter away from the pole through wire. Time control and light control could be equipped to realize full-load lighting mode and part lighting mode
Surface treatment
Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required.
Joint of Poles
Insert mode, inner flange mode, face to face joint mode.
Design of pole
Against earthquake of 8 grade
Wind Speed
80 Km/Hour
Welding We has past flaw testing. Internal and external double welding makes the welding in shape
Thickness 6 mm to 20 mm high mast lighting poles
Production Process
Raw material testCuttingMolding or bending Welding (longitudinal ) Dimension verifyFlangeweldingHole drilling Calibration Deburr Galvanization or powder coating, PaintingRecalibrationThreadPackaging
Packages
Our poles as normal cover by Mat or straw bale at the top and bottom, anyway also can following by client required
Lifting system
Latch barrel with inner mounting bracket locker is mounted to an underside of the mast-top pulley assembly. Furthermore, all steel cables are not exposed and more effectively protected.
Latching mechanism latched on steering arms is CZPT to release strain on steel cables when in the operation position. The process of latching on and off is stable and without vibration.
The bumper is designed on the luminary mounting bracket for avoiding direct damage between mast-top assembly and the raising luminary mounting bracket.
The leveling device for luminary support bracket is easy to operate and convenient to adjust level.
Special designed red-flag indicator has obvious visual effects and reflects actual situation of latching operation.
Testing

Height	From 18 m to 50m
Suit for	Airport ,seaport,plaza,stadium ,square,highway station,street way ,etc
Shape	round or polygon
Material	Q345B/A572,minimum yield strength>=345n/mm2 Q235B/A36,minimum yield strength>=235n/mm2
Torrance of dimension	+- 2%
Lighting Source	400 W- 5000 W high pressure sodium flood light,light extension :up to 30 000 m²
Light plate	Various figure of selection ,material with hot dip galvanization steel frame
Lifting system	Lifter fixed in the inner of the pole with lifting speed of 3~5 meter per minute  Equipped e;antiferromagnetism brake and break -proof device,manual operation applied under power cut
Electric appliance control device	Electric appliance box to be be the hold of the pole ,lifting operation could be 5 meter away from the pole through wire .Time control and light control could be equipped to realize full-load lighting mode and part lighting mode
Surface treatment	Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required.
Joint of Poles	Insert mode,inner flange mode,face to face joint mode .
Design of pole	Against earthquake of 8 grade
Wind Speed	80 Km/Hour
Welding	We has past flaw testing.Internal and external double welding makes the welding  in shape
Thickness	6 mm to 20 mm
Production Process	Raw material test→Cutting→Molding or bending →Welding (longitudinal )→Dimension verify→Flange welding→Hole drilling→Calibration→Deburr→Galvanization or powder coating ,painting→Recalibration→Thread→Packages
Packages	Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required

 

 
 Why Us
 
One-stop Service
 
 You can find solutions for almost all outdoor lighting from us, like street lighting, square lighting, landscape lighting, traffic lighting and commercial lighting and so on.
 
Vertically Integrated Production System
 
 You will enjoy high-quality product with cost-effective price from us because we manufacture most of the main components from LED source, light fixture, solar panel, pole and even painting powder to control the cost and quality.
 
15 Years Manufacturing Experience
 
 Since 1998, we have started manufacturing street lighting. The 15 years’ experiences have been a persuasive insurance for us to offer reliable products.
 
Large Factory with Complete Facility
 
We have 400 staffs with factory area 6000 m2.  We also equipped with complete production and testing equipments, such as Steel Pole Rolling Machine, Spray Machine, Pressure Machine, Integrating Sphere, Lighting Simulating Machine and Weather-ability Testing Machines, etc . . 
 
Advanced Technology
 
 Our 60 experienced engineering team work with the PV institute of ZheJiang  FUDAN University , HangZhou Foxconn to R&D outdoor lighting products. We have obtained over 20 national patents and built our own brand LUYOU.
 
Cost Efficiency
 
 Manufacturing main components to save cost. XIHU (WEST LAKE) DIS. manufactures the solar panel, light fixture and pole to control the cost and quality.
 
 Factory outlet. There’s no middleman between the manufacturer XIHU (WEST LAKE) DIS. and domestic and oversea buyers.
 
 
 
 
 
 
 
Packages:
Bulb wrappings for high mast lighting poles, individual cartons for lamps and controlling equipments, etc. A 40′ HP loads 7-20M/ 6-25M/ 5-30M/ 4-35M high mast lights.
Our projects

Lead Time
20 days on receipt of payment for 10 high mast light poles
Payment Terms
30% in advance and 70% before shipment for our products

We proud of our product 

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of 1 pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into 1 housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of 1 inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the 1 hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least 1 of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.