Hydraulic steel bar cold extrusion machine extrusion sleeve wholesale steel bar cold press connecting machine for construction engineering

Steel bar cold extrusion machine__
1. Scope of application:
Steel cold extrusion machines are currently used in construction projects, reinforced concrete structure construction, high-rise frame buildings, ordinary roads, expressways, ordinary railways, high-speed railways, tunnels, bridges, airport construction, flood control dams, earthquake resistance Various steel bar cold extrusion connection applications are carried out in earthquake-proof buildings, marine breakwaters and other industries
Steel bar cold extrusion is a new technology for steel bar connection in the construction of reinforced concrete structures. Currently, several steel bars have been built or are under construction in our country. It has been widely used in large hydropower projects such as the Three Gorges Hydropower Station, Xiaolangdi Project, Gongboxia Hydropower Station, and Laxiwa Diversion Tunnel
2. Working principle:
The steel bar cold extrusion machine inserts the two steel bars to be connected into a special steel bar connecting sleeve, and squeezes the steel bar sleeve through the cold extrusion equipment to make it tightly connected with the steel bar. Combination, a device that connects two steel bars into one. That is to say, the steel bar to be connected is inserted into the extrusion sleeve, and the sleeve is squeezed with an extrusion pliers to cause plastic deformation and tight pressing of the ribbed steel bar surface to form a joint. It is superior to traditional lap and welding technologies. It has the advantages of stable and reliable joint quality, is not affected by the environment, can be constructed all day long, and has good shock resistance and low temperature resistance.
3. Advantages:
: The construction process of steel bar cold extrusion technology is simple and easy to master
: The construction process of steel bar cold extrusion technology is fast, and it can save a lot of time in construction compared with traditional welding methods
Steel bar cold extrusion technology Extrusion technology can reduce project costs compared with traditional steel bar welding connection construction
: Steel bar cold extrusion technology is suitable for radial extrusion connections of ribbed steel bars with a steel bar diameter of - in reinforced concrete structures
. Steel bar cold extrusion technology Compared with traditional processes such as lap jointing, welding, threading and bundling, extrusion technology has the advantages of stable and reliable joint quality, not affected by the environment, can be constructed all day long, and the joints have good shock resistance and low temperature resistance
.It is worth vigorously promoting the application of steel cold extrusion technology in highway and bridge projects. In pile foundation projects, the overall docking of steel cages can improve the verticality of the steel cages, speed up pile formation, and reduce or avoid pipe stuck and hole collapse accidents. occurrence and improve the quality of pile foundations. The cold-pressed jointing of main bars in the columns and cap beams of bridge piers and ordinary reinforced concrete beams and slabs can avoid the deviation of the steel bar axis and the difficulty of bending the steel bars at the joints, and there is no welding stress problem. , reduce the electricity load, improve the quality of joints, and speed up the construction progress
4. Answers to questions about steel bar cold extrusion machine
.Q: What is the difference between steel bar cold extrusion and steel bar mechanical connection?
Answer: Steel bar mechanical connection refers to the mechanical interlocking effect of the connector or the pressure bearing of the steel bar end face Function, a connection method that transfers the force in one steel bar to another steel bar. Cold extrusion of steel bars is to insert the two steel bars to be connected into the steel sleeve, and use the cold steel bar extrusion pliers to squeeze the steel sleeve in the radial direction. It causes plastic deformation and relies on the mechanical interlocking of the deformed steel sleeve with the longitudinal and transverse ribs of the connected steel bars to form an integral steel bar connection method
. Question: What is cold extrusion of steel bars?
Answer : Put a steel sleeve on the ends of two ribbed steel bars, and use steel bar cold extrusion pliers to extrude the steel sleeve along the radial direction of the steel sleeve. Under the action of the extrusion force of the extrusion pliers, the steel sleeve will produce plasticity. The deformation is closely combined with the steel bars, and the two steel bars are firmly connected through the engagement of the steel sleeve and the steel bar transverse ribs
. Question: What are the advantages of cold extrusion of steel bars?
Answer: Cold extrusion of steel bars It has the characteristics of high joint strength, reliable performance, and can withstand high stress, repeated tension and compression loads and fatigue loads. It is easy to operate, fast in construction, saves energy and materials, and has good overall economic benefits. This method has been widely used in engineering
.Question: What construction environment is suitable for steel bar cold extrusion?
Answer: Steel bar cold extrusion is suitable for Ф-grade II, III, and IV ribbed steel bars (including steel bars with poor weldability), with the same diameter or different diameters Connection between steel bars
.Q: In what construction is cold extrusion of steel bars mainly used?
Answer: Cold extrusion of steel bars is mainly used in the connection process of reinforced cast-in-place piles and steel cages
Jining Dingcheng Industrial and Mining Equipment Co., Ltd.
Contact person: Zhang Wenfeng
Mobile phone
WeChat:
Landline
Fax:
: