Slewing Mechanism and Spare Parts
A slewing mechanism is an essential component of a Tower Crane that allows it to rotate horizontally. It enables the crane to reach different areas of a construction site without having to move the entire structure.
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At present, the world is committed to building an energy-saving society. Europe, the United States, and China are actively promoting LED energy-saving lighting products. Compared with traditional lighting, this product consumes less energy and is conducive to greenhouse gas emission reduction. In addition, a more controllable lighting mode is conducive to the promotion of smart lighting applications.
As environmental pollution has become more and more serious, LED as a new generation of lighting technology has become the focus of attention in today's global society. With the LED's luminous efficiency and longevity, coupled with the advantages of energy saving, energy saving and environmental protection, the LED replacement tide is opening.
The report pointed out that a carefully designed LED fluorescent tube can last up to 50,000 hours. The life of a fluorescent lamp is usually only 5,000 hours (some domestic fluorescent lamps have a lifetime of only 300 hours). The difference between the two is nearly 10 times. The best long-life fluorescent lamps are also only 10,000 hours, and the difference between the two is also five times.
At present, LEDs are gradually introduced into the indoor and outdoor lighting market, and the price of LED lighting has also dropped sharply. However, the uneven quality has also caused problems. It is pointed out that LED lighting specifications have been set up everywhere, and a number of mandatory lighting standards will start from 2012. On the road, it will be expected to accelerate the elimination of the vicious competition of inferior goods, and then drive the LED lighting market shuffling effect.
In Europe and the United States, LED lighting has been fully replaced. Since 2014, European and American countries have begun to phase out the 40-60W incandescent bulbs, which are the largest in the civilian market, providing a favorable opportunity for the popularization of LED lighting products. This will also stimulate global LED lighting manufacturers to accelerate the pace of layout of LED lighting, and further push up the global LED lighting penetration rate. The US government's support for LED lighting is gradually increasing, and the number of subsidies for energy stars and other lamps has increased rapidly, which has led to further reduction in the price of LED lamps.
CREE and other manufacturers are optimistic about the development of the LED lighting market in 2014, and expect that the sales growth of replacement lamps will become the focus of the next business growth. In Europe, where the market is relatively mature, although large-scale subsidy policies have not been seen, its high electricity prices and differences in light culture have made the demand for commercial lighting and outdoor architectural situation lighting applications continue to exist. In the next few years, with the impact of the comprehensive ban policy of incandescent bulbs, it is estimated that the market will continue to show steady growth.
Under this circumstance, relevant industry organizations in the industry conducted a survey and forecast activity on the time schedule of LED lighting fixtures to replace traditional lighting. The survey results show that the industry is more optimistic about the progress of LED replacing traditional lighting. Most of them believe that within three years, LED lighting can replace traditional lighting up to 20, and up to 50 within 3-5 years, and up to 80 after 10 years.
According to JP Morgan's latest forecast, semiconductor lighting sources will occupy a global market share of 50 in 2014, and semiconductor lighting fixtures will have a market share of 50 in 2016. Targeting the fast-growing domestic LED indoor lighting market. The survey results also show that most people in the industry believe that the occupancy rate of LED indoor lighting products in 2020 may reach 50. To this end, some experts predict that the LED lighting market will gradually mature in the next 10 years, and it is also the transformation of traditional lighting to LED lighting. The most critical 10 years of success or failure.
In the view of Industrial Control China Xiaobian, the advantages of LED lighting as a new generation of lighting tools are very obvious. Although the price is higher than that of ordinary light bulbs, because of its long life characteristics, the application cost is still reversed in terms of long-term use. At a lower level, at least not to change the bulb frequently. In addition, LED lighting products are easier to integrate into modern smart homes with advanced technology. With its controllable advantages, it is not difficult to achieve intelligent lighting with LED lighting bulbs.
All in all, LED lighting will be of great significance in the future energy conservation and smart society construction. As the star of tomorrow in the lighting industry, although there are still some problems, it does not affect the subsequent application development, and the market prospect is very broad.
The slewing mechanism typically consists of the following components:
1. Slewing Ring: The slewing ring is a large circular bearing that supports the entire weight of the crane and allows it to rotate. It is usually located at the base of the crane and is designed to withstand heavy loads and provide smooth rotation.
2. Slewing Motor: The slewing motor is responsible for providing the necessary power to rotate the crane. It is connected to the slewing ring and is controlled by the crane operator.
3. Gear Mechanism: The gear mechanism consists of a set of gears that transmit the power from the slewing motor to the slewing ring. It ensures smooth and controlled rotation of the crane.
4. Brake System: The brake system is an important safety feature of the slewing mechanism. It is designed to hold the crane in place and prevent any unintended rotation when the crane is not in operation.
5. Control System: The control system allows the crane operator to control the rotation of the crane. It typically includes joysticks or buttons that enable the operator to start, stop, and control the speed and direction of rotation.
Overall, the slewing mechanism plays a crucial role in the functionality and versatility of a tower crane. It allows the crane to move horizontally, reach different areas of a construction site, and perform various lifting tasks efficiently.