A pipe pile quick connector
A technology of quick connection and pipe pile, applied in sheet pile wall, construction, infrastructure engineering, etc., can solve the problems of unreliable welding seam quality, low work efficiency, long construction period, etc., achieve low cost, improve construction efficiency, The effect of a high degree of automation
Active Publication Date: 2018-11-02
海盐华瑞斯紧固件有限公司
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Problems solved by technology
[0004] In order to solve the technical problems of unreliable weld quality, low work efficiency and long construction period in the above-mentioned construction process, the present invention designs a fast mechanical connection assembly, which can automatically ensure the coincidence of two pipe piles after they are connected Degree, and by its own actual strength to ensure the strength of the connection
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] like figure 1 As shown, the pipe pile quick connector of the embodiment of the present invention includes a large nut 100, a spring seat 200 installed inside the large nut, a compression spring 300 installed on the spring seat 200, and a locking mandrel 400 sequentially installed on the large nut. The bushing 500 inside 100, the small nut 700 and the buckle pin 600 installed on the small nut 700. Among them, there are several separating grooves 601 on the buckle pin 600, and the lower part of the buckle pin 600 is divided into buckle breaks 602 with stepped surfaces, and the inner and outer bottoms of each buckle break 602 are respectively provided with external chamfers 603 And the inner chamfer 604. The locking mandrel 400 is provided with a positioning guide section 401 , a locking section 403 and a telescoping guide section 404 ,...
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The invention relates to a pipe pile quick connector, which includes a large nut and a small nut. It is characterized in that a bushing and a locking device are provided inside the large nut, and a plug pin is provided on the small nut. The lower part of the plug pin is hollow and provided with several edges. A buckle with a step surface is evenly arranged in the circumferential direction. The step surface of the buckle cooperates with the lower end surface of the bushing. The locking device is engaged with the inner wall surface of the buckle. The bushing is connected to the large nut through threads, and the plug pin is connected to the small nut through threads. After the plug pin is inserted into the bushing, it can automatically fasten and lock, thereby connecting it as a whole. The quick connector has the advantages of compact structure, fast and reliable connection, strong load-bearing capacity and easy use.
Description
technical field [0001] The invention relates to a quick connector, in particular to a quick connector for concrete square piles and pipe piles. Background technique [0002] China's pipe pile started in 1987, and after more than ten years of development, it has formed more than 260 pipe production enterprises across the country. The pipe pile industry has developed rapidly in recent years. At present, domestic pipe piles are mainly used in various high-rise buildings below 60 stories and low-cap pile foundations for industrial and civil buildings, railways, highways and bridges, ports, wharves, water conservancy, municipal, structures and large-scale equipment and other engineering infrastructure fields. . Among them, the application proportion in the real estate field accounts for about 80%, and the road and railway account for about 15%. The annual demand reaches a scale of hundreds of millions of meters. [0003] The pipe piles have a standard section length of 10 mete...
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IPC IPC(8): E02D5/52
CPCE02D5/526E02D2600/20
Inventor 郭志敏鲁勤松金惠良顾利君
Owner 海盐华瑞斯紧固件有限公司