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Detachable separated type nut

A split type and nut technology, which is applied in the direction of nuts, threaded fasteners, connecting components, etc., can solve the problems of inability to unlock and difficulty in unlocking, and achieve the effect of reducing the unlocking time of anchors, reducing the recovery time, and saving costs

Pending Publication Date: 2019-07-05
HANGZHOU JULI ANCHOR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fixed end of the existing prestressed anchor rod body mostly adopts an integral finish-rolled threaded steel nut. One-piece finish-rolled rebar nuts) tend to be difficult or impossible to unlock

Method used

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  • Detachable separated type nut
  • Detachable separated type nut
  • Detachable separated type nut

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like Figure 1-2 As shown, a detachable split nut in this embodiment is used as a fixed anchor rod body, including a first nut body 1 and a second nut body 2, and the first nut body 1 and the second nut body 2 are connected by The screw is clamped; the first nut body 1 and the second nut body 2 cooperate to form a mounting hole 3 at the clamping place, and the mounting hole 3 is provided with an internal thread 31 to cooperate with an anchor rod body provided with an external thread, Anchor rods with external threads usually use finish-rolled rebar 7. In this structure, the installation hole 3 includes a groove with a semicircular cross-section on the side of the first nut body 1 facing the second nut body 2, and a groove on the side wall of the second nut body 2 facing the first nut body 1. A groove with a semicircular cross-section, the circular through hole formed by closing the two grooves is the mounting hole 3 , and the threads respectively arranged in the two gr...

Embodiment 2

[0041] The first nut body 1 and the second nut body 2 in this structure are semicircular bodies, and the first nut body 1 and the second nut body 2 are equal in size, and both nut bodies are flat on the clamping surface. Easy installation with removable split nuts.

[0042] Other structures of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0044] like Figure 4-7 As shown, a locking piece 10 is arranged in the installation hole 3 in this structure. The opening of the locking piece 10 towards the anchoring end is small, and the opening away from the anchoring end is large, in the shape of a cone. The inner wall of the locking piece 10 is provided with tooth patterns. When 7a is used as anchor rod body reinforcement, the steel strand 7a is fixed by locking the lock plate 10, the first nut body 1 and the second nut body 2 are clamped, and locked by the lock plate 10 at the end of the opening in the installation hole 3 , the steel strand 7a can be well clamped. When the anchorage of the steel strand needs to be released, the fixing of the steel strand can be easily released by disassembling the first nut body and the second nut body, and the steel strand is taken out together, the structure is simple, and the operation is convenient and quick.

[0045] Other structures of this embodiment are the same as Embodiment ...

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Abstract

The invention relates to a detachable separated type nut which is used for fixing an anchor rod body and comprises a first nut body and a second nut body. The first nut body and the second nut body are clamped through a connecting screw rod and are matched to form an installation hole at the clamping part; and the installation hole is internally provided with an internal screw thread for installing the anchor rod body with an external screw thread in a matching way. The detachable separated type nut provided by the invention is fast to install, convenient to operate, and fast and convenient todisassemble the anchor rod body.

Description

technical field [0001] The invention relates to the technical field of anchoring engineering, in particular to a detachable split nut. Background technique [0002] Recyclable prestressed bolt body anchoring technology is increasingly widely used in industrial and civil buildings, municipal roads and bridges, mine roadway support and other fields. The fixed end of the existing prestressed anchor rod body mostly adopts an integral finish-rolled threaded steel nut. Integral finish-rolled rebar nuts) are often difficult or impossible to unlock. [0003] When it is necessary to recover the anchor rod body, first put a jack, then put a stirrup on the jack, use the jack to apply a reverse force to pull out the anchor rod body, then screw the nut, and then release the stress of the jack, and then pull out the anchor rod rod body. Contents of the invention [0004] The purpose of the present invention is to provide a detachable split nut with fast installation, convenient opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B37/00F16B37/10
CPCF16B37/00F16B37/0892
Inventor 霍炳旭
Owner HANGZHOU JULI ANCHOR TECH CO LTD