Magnetic positioning grouting sleeve
A grouting sleeve and magnetic positioning technology, applied in the direction of structural elements, building components, building reinforcements, etc., can solve the problems of positioning disc hindering the grouting material, unable to achieve equal strength, easy to trip at the connection, etc., and the improvement cost is high. , reliable performance and low cost
Inactive Publication Date: 2016-07-06
丁勇
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Problems solved by technology
Among them, the threaded connection requires a steel thread threading machine and a torque wrench. The cross section of the steel bar cannot reach the same strength. There are also problems such as inaccurate positioning and positioning discs blocking grouting materials.
Method used
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Embodiment Construction
[0019] The present invention will be further described below in conjunction with the accompanying drawings.
[0020] like figure 1 As shown, a magnetically positioned grouting sleeve includes a seamless steel pipe 2, and the seamless steel pipe 2 is processed into a sleeve body, which is formed by lathe-processing the thick-walled seamless steel pipe 2. Both openings of the seamless steel pipe 2 are provided with elastic annular rubber rings 3 , and grouting holes 4 and grouting holes 5 are arranged on the pipe wall at two symmetrical positions close to the ends of the seamless steel pipe 2 . According to the needs of the project, install the positioning plate 7 at any position of the seamless steel pipe 1, and use a strong magnet 8 to position it on the outer wall of the sleeve; figure 2 , image 3 , Figure 4 As shown, the iron block of the positioning plate is processed into a special structure as shown in the figure, which is composed of two vertical positioning pieces...
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The invention discloses a magnetic positioning grouting sleeve used for steel bar connection of prefabricated parts of an assembling type concrete structure.The magnetic positioning grouting sleeve is made of a section of seamless steel tube, and the grouting sleeve for steel bar connection of a shear groove machined with a lathe is formed.A grout pouring hole and a grout outlet hole are formed in the same positions at the two ends of the seamless steel tube, a positioning disc is installed at any position of the seamless steel tube according to needs of a project and positioned on the outer wall of a sleeve body with a strong magnet, and the two ends of the seamless steel tube are sealed with elastic annular rubber rings.By means of the magnetic positioning grouting sleeve, the positions of steel bars can be effectively controlled to prevent dislocation of the steel bars, and the magnetic positioning grouting sleeve is simple and efficient in manufacturing process, low in cost, reliable in performance, and wide in application and has wide prospects.
Description
technical field [0001] The invention relates to a grouting sleeve for butt-joint connection of prefabricated and assembled concrete components with stressed reinforcement grout anchors, belonging to the technical field of construction engineering. Background technique [0002] With the development of the construction industry, especially the rapid development of high-rise buildings, steel bars have become the main support of building structures in construction engineering. At present, the steel bar connection technology can be divided into three categories, namely, steel bar binding lap joint, steel bar welding, and steel bar mechanical connection. [0003] When lashing and lapping is used, the diameter range of the tying and lapping steel bars is limited, and the steel bars in the tension area are not suitable for use, and the steel bars at the lap joints are often too dense, and the amount of steel bars is increased. [0004] When the welding method is used, although it g...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E04C5/18
CPCE04C5/165
Inventor 丁勇蔡武达
Owner 丁勇