Steel bar rotary connection method based on steel bar sleeve connection
A steel sleeve and rotating connection technology, which is applied in the direction of infrastructure engineering, building material processing, sheet pile walls, etc., can solve the problems of laborious connection, inoperability, tolerance fit of steel sleeve, etc.
Active Publication Date: 2019-08-02
陕西省三和建设工程有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for rotating and connecting steel bars based on steel bar sleeve connections. The threaded joint of the head and the steel bar sleeve often have the problem of tolerance fit, the connection is extremely laborious, the efficiency is extremely low, and one person cannot operate at all; in addition, during the construction on site, since the steel bar is added to the original steel bar, especially the pile The steel bars on the column have a relatively high density. Due to the space environment, it is impossible to use pipe wrench to rotate the steel bars.
Method used
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[0038] like Figure 1-7 As shown, a steel bar rotation connection method based on steel bar sleeve connection, including steps:
[0039] Step 1, setting the open internal gear ring 1: on one side of the open internal gear ring 1, there is a breaking opening 8 that can pass through the steel sleeve 7, and ring protrusions are provided on both ring sides of the open internal gear ring 1 9. A ring groove 10 is provided on the outer ring surface of the ring protrusion 9;
[0040] Step 2, set the sliding clamp 2: the sliding clamp 2 includes the upper fan-shaped sliding clamp 11 and the lower fan-shaped sliding clamp 12, and the upper fan-shaped sliding clamp 11 and the lower fan-shaped sliding clamp 12 are correspondingly fastened to the gear ring in the opening On the upper and lower sides of 1, planetary gears 3 meshingly connected with the open inner gear ring 1 are provided in the cavities at both ends of the sliding clamping block 2, and the planetary gears 3 are installed o...
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The invention discloses a steel bar rotary connection method based on steel bar sleeve connection. When one planetary gear runs to a breaking opening, the other planetary gear certainly exists in a state that inner teeth of an open inner gear ring are meshed, thus a sliding clamping block can be ensured to rotate circularly, an upper steel bar clamping device is driven to circularly rotate on theopen inner gear ring, then an upper connecting steel bar is easily driven to rotate, a threaded connector on the upper connecting steel bar is directly screwed on a steel bar sleeve, when the threadedconnector of the upper connecting steel bar completely enters the steel bar sleeve, the threaded connector of the upper connecting steel bar cannot continue to enter any more, so that the steel bar sleeve is driven to rotate, and the rotation of the steel bar sleeve can be in threaded connection with a lower connecting steel bar until the threaded connector is completely and firmly connected. Byadopting the method, sleeve connection of the two steel bars can be completed by rotating a rotary device by about 1-2 minutes, and the connection of the two steel bars is completed by at least 10-15minutes by adopting manual work and pipe wrench tools.
Description
technical field [0001] The invention relates to the field of construction engineering equipment technology and machinery, in particular to a method for rotating and connecting steel bars based on steel bar sleeve connections. Background technique [0002] In the field of construction engineering construction, rib stripping and rolling straight thread connection of steel bar is a relatively mature steel sleeve technology. Its structural principle is to peel off part of the longitudinal rib and transverse rib at the end of the steel bar to be connected by cutting. Then it is directly rolled into ordinary straight thread, and then connected with special straight thread steel bar sleeve to form the connection of steel bar. [0003] In order to save processing costs, the steel bar sleeve generally adopts a cylindrical structure, and the steel bar is also a cylindrical structure, so when installing and connecting, generally use a pipe wrench to turn the steel bar manually, because...
Claims
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Login to View More IPC IPC(8): E04G21/12E02D5/52
CPCE02D5/526E04G21/122
Inventor 何艳杨洋
Owner 陕西省三和建设工程有限公司