Self-unlocking anchor cable with rotatably-pulled wedge piece
A technology of wedge-twisting and self-unlocking, applied in sheet pile walls, excavation, construction, etc., can solve the problems of anchor bars coming out, thread damage, and anchor bars and anchors being unable to be connected by threads.
Pending Publication Date: 2020-07-17
SHENZHEN GONGKAN GEOTECHN GRP
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Problems solved by technology
[0004] In the prior art, the anchorage is directly connected with the anchor bar thread. When the tensile stress on the anchor bar is too large, the anchor bar is easy to detach from the anchor bar, and it will cause permanent damage to the thread in the anchor bar, thus As a result, the anchor bars and anchors can no longer be connected by threads
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0020] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0021] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orien...
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The invention relates to the technical field of engineering tools, and discloses a self-unlocking anchor cable with a rotatably-pulled wedge piece. The self-unlocking anchor cable comprises an anchorage device, a clamping piece, a slide cylinder, a movable wedge block and the wedge piece. The movable wedge block and the clamping piece fixedly connected with the movable wedge block are arranged, the slide cylinder is arranged in the anchorage device, the front end of the slide cylinder is connected with a lifting frame, the wedge piece is connected to the other end of the lifting frame, and through the movement of the slide cylinder, the wedge piece is driven to be embedded into an embedding hole from an embedding opening, so that the movable wedge block presses the clamping piece, and thenthe clamping piece presses an anchor bar inserted into the clamping piece. In this way, when the slide cylinder moves in the direction away from the wedge block, the slide cylinder drives the wedge piece to be separated from the embedding hole, then the clamping piece loosens the anchor bar, and then the anchor bar can be drawn out of the anchorage device. In the meanwhile, tenons which cooperatewith slide grooves inside the anchorage device are arranged on the outer wall of the slide cylinder so that the slide cylinder can move front and back in the extension direction of the slide groovesin a fixing through hole inside the anchorage device, and the self-unlocking anchor cable is stable, convenient to use and very practicable.
Description
technical field [0001] The patent of the present invention relates to the technical field of engineering appliances, in particular, to a twist-pull wedge-type self-unlocking anchor cable. Background technique [0002] The recyclable anchor cable is a green engineering technology, and it has been applied more and more in the field of foundation pit support in recent years; among them, the self-unlocking recyclable anchor cable has simple recovery process, high reliability, fast recovery speed and low cost. , widely used in China. [0003] At present, the recyclable anchor cable mainly includes an anchor and an anchor bar, and the anchor bar and the anchor are threaded to fix the anchor and the anchor bar. [0004] In the prior art, the anchorage is directly connected with the anchor bar thread. When the tensile stress on the anchor bar is too large, the anchor bar is easy to detach from the anchor bar, and it will cause permanent damage to the thread in the anchor bar, thus ...
Claims
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IPC IPC(8): E02D17/04E02D5/74
CPCE02D5/74E02D17/04
Inventor 付文光邹俊峰孟照辉李强刘小斌周长标叶坤张鼎阳
Owner SHENZHEN GONGKAN GEOTECHN GRP