China Hot selling Low Price 20m 400W High Mast Pole Stadium Gym Arena LED Flood Light Ofr Airport Runway wholesaler

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 

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
pulley

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China Hot selling Low Price 20m 400W High Mast Pole Stadium Gym Arena LED Flood Light Ofr Airport Runway   wholesaler China Hot selling Low Price 20m 400W High Mast Pole Stadium Gym Arena LED Flood Light Ofr Airport Runway   wholesaler