The top support is also called lead screw, which is composed of lead screw, nut and chassis.In the process of construction and steel pipe and scaffold use, play the role of adjusting the height of scaffold and rack pipe, balancing support weight, bearing.So how is the classification of building roof divided?
Next small make up for you to introduce:Classification of roof supports for building:1, according to the use of parts can be divided into upper support, base support and tube support.(1) the upper support used in the upper end of the column steel pipe, chassis in the upper end, chassis has fold edge;(2) bottom support used in construction engineering construction column steel pipe lower end, chassis in the lower part, chassis can not fold edge;The tube holder is stuck on the parallel steel tube, half-moon shape gap on the chassis.
2, according to the screw material can be divided into: hollow top support and solid top support two kinds.The hollow top support screw is made of thick wall steel tube, which is lighter.Solid top support is made of round steel, which is heavier.3, according to whether there is a wheel can be divided into: ordinary top support and leg wheel top support.With wheel top support is generally galvanized, used in the lower part of the mobile scaffold to facilitate the construction process;Common top support is used in engineering construction to support stability.4, solid support according to the production process of screw can be divided into hot rolled screw and cold rolled screw.The hot-rolled lead screw has beautiful appearance and slightly higher cost.Cold rolled screw appearance is not very beautiful, the cost is slightly lower.The configuration that builds screw, the production craft of each district manufacturer is similar little different, configuration has different each.The above is small make up for you to bring about the top of the knowledge, hope to help you.
