Q:What are the mixing arms of the concrete mixer?

Mixing arm concrete mixer is a component of the mixing arm itself and divided into lateral mixing arm (positive and negative points), stirring arm (also have positive and negative points), stirring arm below is the bearing seat connected, connected with 4 sets of high strength bolts with stirring arm. The top is equipped with wear-resistant mixing blades, connecting with mixing blades, high-strength bolts 2 sets. In addition, some manufacturers have designed mixing side bonded shaft swivel, is installed in the interval between the stirring arm fixed and rotated in two ways.

Q:Where was the construction machinery conference held in 2015?

Support unit: Automobile and engineering machinery parts testing institute, Qihe Economic Development Zone, Shandong Province, Shandong Jiaotong University, Mechanical Engineering Institute, Qingzhou Engineering Machinery Industry Association, three, China Railway ten Bureau, in a company, China water conservancy and hydropower Sixth Engineering Bureau Co., Shandong high speed group limited company, the China Metallurgical Construction Group Limited, China Railway Construction Group, Shandong road fourteen, Shandong the Yellow River Engineering Bureau Group Co. Ltd., Ji'nan City Highway Bureau, Dezhou City Highway Bureau, Tai'an City Highway Bureau, Jining City Highway Bureau, Laiwu City Highway Bureau, Shandong WorldCom Highway Construction Co. Ltd.

Q:How do the welding parts in the welding drawings of the machine parts indicate the technical requirements of the drawings?

The whole circle of the triangle is welded as an angle weld, and the other is the outer circle with the same diameter as the two, so the butt joint is better to open the groove. Welding, for V type welding seam, and, technical requirements are generally, welding firm, no defects, welding smooth grinding, cleaning welding slag splash

Q:Where are the hanging baskets for the building?

It is forbidden to take a stool or put a ladder on a hanging basket to work higher; it is not allowed to work alone in a basket, and no electric machinery or equipment can be placed in the basket;

Q:Where are the mechanical pressurization air supply facilities set up?

The purpose of setting up a mechanical pressurization air supply smoke prevention system is to provide evacuation routes and shelters without smoke interference in the event of a fire in the building. Therefore, in the closed door, pressing position, and the fire floor must maintain a certain pressure difference, the position of the air pressure value is a relative positive pressure); at the same time, in the open part of the pressure when the door can have enough air velocity in the opening section, to effectively prevent the intrusion of flue gas, the safety of personnel ensure evacuation and refuge.

Q:What is a door rack for a construction site? How high is it generally?

Construction machinery network learned that the door scaffolding in our country production and use of time is not long, the scaffolding developed by the various research institutions, self-contained, and not common, varieties, specifications and diverse. Some factories copy foreign products and use the imperial size.

Q:What is the use of spare parts prices in Chinese market by foreign companies?

You might be gathering information for him. You have no data for one person, if there are several people? They can analyze a lot of things through big data. You can't find out, you're OK. Once you find out, your whole life is over.

Q:What are the sub projects of a construction project?

Lime soil, sand and gravel foundation, geosynthetics foundation, fly ash foundation, dynamic compaction, foundation grouting, preloading foundation, vibroflotation foundation, jet grouting foundation, cement mixing pile foundation, soil and lime soil compaction pile foundation, cement fly ash gravel pile, cement soil pile foundation. Based on sand pile foundation

Q:Changsha Sanlian Building Machinery Fittings Factory

The company in Changsha Hongdun business online can not find, provided by his address: two Changsha section of Xingsha Economic Development Zone Yuan Ming Road, I checked 114 specially call 12580 to booking the hotel near the road, not the road. Definitely a liar.

Q:The building electrical iron pipe and the pipe line fixing member connected to what is called, what is called the iron pipe and the 86 fixed part of tin

The distribution of the construction site, construction machinery and electric hand-held electric tools, lighting, construction site construction site: risk factors and lightning protection, the construction site of common electrical tools and instruments, the construction site of the electricity management, common electrical fault, accidents and accident cases.