On July 9, 2010, the reporter participated in the opening ceremony of the new bus for Bosch Automotive Diesel Systems Co., Ltd. (hereinafter referred to as Bosch Diesel ) in Wuxi. Bosch Diesel eliminated the old bus that was discharged by the country. According to the requirements of local environmental protection regulations, the new shuttle bus at the third national level can be used. However, Bosch diesel fuel directly crosses the country's three phases and has purchased 24 new cars of four countries. Particularly noteworthy is that these new cars are equipped with Bosch's advanced common rail system CRS and selective catalytic reduction system SCR.
According to the Bosch diesel personnel, the new shuttle with the national fourth level will reduce particulate emissions by 87% and nitrogen oxide emissions by 50% compared to the previous national second-level bus, which means that it is equivalent to six new cars. The total amount of particulate matter emitted is less than the emission of a previous shuttle at the national second level, and the amount of nitrogen oxide emissions is only half that of the previous one. In addition, even with the National 3rd-class vehicles, the new bus can have a 5% reduction in fuel consumption, which means that 24 buses can save more than 10,000 liters of diesel per year and can reduce about 27 tons of CO2 emissions.
Through interviews with Bosch diesel-related personnel, the reporter learned that the company chose the new four-country shuttle bus this time. Its support is the two major technologies of Bosch's own diesel high-pressure common rail and SCR. It can be seen from the two major technical routes that the heavy vehicles can implement the National IV emissions that the combination of high pressure common rail and SCR is a stable and mature route. The required injection pressure is 1600 bar. Sulphur tolerance is also high, and it is easy to upgrade to the national five levels. The SCR system for tail gas aftertreatment is open-loop control and relatively easy to implement.
During a visit to the Bosch diesel factory, the reporter found that the 1600-bar common rail system installed on the four-country shuttle bus is currently the mass-produced product of Bosch. According to engineers from the Bosch Diesel Technology Center, in addition to these mass-produced products, the company is currently developing products that include a more advanced heavy-duty diesel common rail system with injection pressures that meet the 1800 bar level, light-duty vehicles with relatively low system pressure, and Diesel common rail system for pickup trucks and affordable common rail system for minicar diesel engines. The mini-vehicle system is also planned by Bosch to see the increasing trend of car-to-country and mini-vehicle energy-saving and emission reduction requirements. It is understood that all of the above products under development are expected to be completed by the end of 2010.
After visiting the workshops of Bosch Diesel's production workshops and technical centers, the overall impression of the reporter is that advanced R&D tools and equipment are the leading foundation of Bosch diesel technology.
For example, the Bosch diesel engine test laboratory is equipped with four state-of-the-art AC dynamometers ranging from 220 kilowatts to 660 kilowatts. When the test is done on the grid, it generates electricity. The fuel it consumes not only completes the experimental test task, but also supplements it. The power grid. More worthy of the book is that the overall engine test system or even the entire test building is almost a large integrated system and highly intelligent. For example, the data after the engine test will be automatically saved and automatically calculated, and the calculated results will be directly sent to the engineering database; what the engineers have to do is to make a test plan, and then he/she will perform the data after the whole test is done. Analyze, analyze and then program, do the test again. The staff is a normal 8-hour work system, while the test facility can be operated 24 hours a day, 7 days a week.
At the technical center, the reporter also saw a new SCR selective catalytic reduction control unit. Compared with second-generation systems that are commonly seen on the market, this new system, code-named 2.2, has a wider scope of application. It can cover not only existing heavy-duty and medium-sized vehicles, but also light-duty vehicle systems, taking into account the use of China. The situation has also reduced its cost. At the same time, the overall structure of the new system is different from that of the second-generation system. It can be independent or integrated with the ECU. If the customer is not using Bosch's common rail system, the new 2.2 system can also be completed with a separate post-processing control unit.
At the same time, the reporter noted that various types of materials and components in the high pressure common rail system have led Bosch Diesel to achieve localized development and production. In the SCR selective catalytic reduction system, Bosch Diesel has mastered the system control and Timing Blue system which has also begun local development. With the aim of providing better cost and more rapid response support for customer projects, Bosch Diesel's localization services include local production of parts and components, localization project support, and the development of custom parts for customers until more local use in the future. The raw materials and components will play a crucial role in further developing the domestic market.
On the other hand, in addition to researching and developing products with advanced technology, Bosch Diesel has always advocated energy conservation and environmental protection concepts in its production and operation. The company invests 2.5 million yuan each year for waste water treatment, purchasing low-energy-consuming equipment, optimizing the use of electrical appliances such as air conditioners and lighting fixtures; through the use of test-bed waste oil recycling projects, the company’s technical center recycles 80 tons of test oil each year and reduces 255 tons of carbon dioxide emissions. In addition, Bosch Diesel saves an average of 50,000 tons of water per year, saves 3,000 tons of steam, and saves 1,780 megawatts of electricity.
The Lever Hoist is made of high strength low carbon alloy steel,high elastic spring with double pawl brake system design featuring stable operation and smooth braking.
It is all significant for improving the security and dependability of the braking system through designing dust cover of braking system.
Within auto-clutch,worker can handle the Load Chain with one hand when there is No-Load.
We design sealed guide chain construction to ensure the load chain running safely.
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Precision cast steel latch in bottom hook with embedded design can prevent the bottom hook off effectively.
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Every Huaige brand hoist individually proof load teat to 1.5WLL with individual serial number.
MBL of 400% of WLL.
Meeting requirement of EN13157
If the handle is locked under a shock load, the lock-releasing mechanism acts to set the handle free to move.
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