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That year, just after the Spring Festival, Gong Jian, deputy chief engineer of Shanghai Construction Engineering Co., Ltd., led the senior executives of the company to Sany Heavy Industry and met with Yi Xiaogang, chief engineer of SANY Heavy Industry, to discuss cooperation issues.
"Can your trailer pump hit 580 meters?" "No problem," Yi Xiaogang replied. In fact, Sany has long been concerned about this project and is also conducting relevant research. In the face of this large project, Gong Jian is not assured, "is it possible to add a product at 400 meters to prevent the equipment can not be up?" "No, our products will certainly be able to make Shanghai Construction Engineering satisfaction." In the easy small Just under the guarantee of breast, Shanghai Construction Engineering eat "reassurance."
After the Shanghai center cooperation project is confirmed, the Sany Pumped-Research Institute brings together all R & D talents of the whole institute, pumping system, hydraulic institute, control institute, material institute and pilot testing center into the development of HBT90CH2150D.
HBT90CH2150D project manager Dai workers told reporters that in March of that year, they undergo a rigorous demonstration, came up with two programs to Yi Xiaogang. The first solution is to study a new product that will pump a single pump vertically to a height of over 600 meters. The second option is to upgrade based on the existing HBT90CH2135D technology.
"No." After seeing the program, Yi Xiaogang directly rejected. "In the equipment reliability, both programs can not be fully guaranteed." Yi Xiaogang that in the second program based on the product must increase the safety factor.
Yi Xiaogang's advice, R & D team indomitable. "In the second scenario, we did overlook the improvement in safety factor." Dai said that almost all of the company's older engineers, in order to improve the safety factor of their products, would have been advised.
"For example, we do research and development and manufacturing process, the design ideas are not the same." According to Dai workers introduced in the development of HBT90CH2150D process, the biggest difficulty is to ensure product reliability. "Because of the additional pressure of 15 MPa, all structural systems in the towing pump have to be redesigned."
The redesigned structure, due to its size, can not be installed inside the tow pump. "We had to be innovative in design because of the limited spatial structure." Dai workers mentioned that in the process of installing the main fuel tank, according to the previous idea, all eight bolts were fixed, but when designing the HBT90CH2150D, he would Change the bolt to four. "Of course, we also reinforced it, fixing the main cylinder at the six tie rods."
It is because of this innovative design, HBT90CH2150D before the Spring Festival in 2010 that is successfully off the assembly line. After the product off the assembly line, Trinity conducted rigorous testing on the trailer pump. "In the process of fetch water, we cut off at the port, cut off the small water jet emitted jet can penetrate 5 mm thick steel pipe." In the second half of 2010, Shanghai Construction Equipment rushed to Trinity acceptance equipment. Excellent performance of the products won the great recognition of customers.
Since then, SANYT has taken up the construction of the Shanghai Tower and has stood the test of layers. Although Shanghai is facing a severe test of the maximum temperature since this meteorological record this year, Trinity Trailer is still performing with a near-perfect performance of 580 M pumping task, amazing. After the completion of the center wall of Shanghai Tower, the Shanghai Center will reach a design height of 632 meters. By then, the SANY trailer will likely create a new world record of single-pump vertical pumping of 632 meters.
Decoding "World Pump King" Trinity Super Trailer HBT90CH2150D
In 2009, the Shanghai Center project landed at a design height of 632 meters, making it one of the tallest buildings in China with a concrete tube core height of 580 meters. At that time, there is no domestic single pump vertical pump delivery to the 580 meters of Tuobeng products.