Title:
SELF-LOCKING ANCHORAGE DEVICE WITH LOW STRESS LOSS AND LOW RETRACTION
Document Type and Number:
WIPO Patent Application WO/2021/032176
Kind Code:
A1
Abstract:
Disclosed is a self-locking anchorage device with a low stress loss and a low retraction, comprising an anchor plate (2), wherein the anchor plate (2) is provided with inner cone holes (21), a split-type cone-shaped clamping piece (10) is provided in each inner cone hole (21), and the split-type cone-shaped clamping piece (10) at least comprises two claw-type lock pieces; on one side of the split-type cone-shaped clamping piece (10), the claw-type lock pieces are synchronously locked or released by means of a synchronous adjustment structure (6), so as to lock or release the locking of same on a steel strand (11); and the other side of the synchronous adjustment structure (6) is provided with a follow-up spring (4) and a limiting assembly that compresses or releases the follow-up spring (4), the limiting assembly compresses the follow-up spring (4) to push the split-type cone-shaped clamping piece (10) to enter the inner cone hole (21) so as to lock the steel strand (11), and the limiting assembly releases the follow-up spring (4) to release the clamping of the steel strand (11) by the split-type cone-shaped clamping piece (10). The anchorage device has a simple structure, the steel strands can be conveniently mounted and adjusted in two directions, and the construction efficiency is greatly improved.
Inventors:
HUO BINGXU (CN)
Application Number:
PCT/CN2020/110357
Publication Date:
February 25, 2021
Filing Date:
August 20, 2020
Export Citation:
Assignee:
HANGZHOU JULI ANCHOR TECH CO LTD (CN)
International Classes:
E01D22/00; E01D19/14; E04C5/12
Domestic Patent References:
| WO1999057390A2 | 1999-11-11 |
Foreign References:
| CN211472214U | 2020-09-11 | |||
| CN211472215U | 2020-09-11 | |||
| CN210766440U | 2020-06-16 | |||
| CN210766441U | 2020-06-16 | |||
| CN110565545A | 2019-12-13 | |||
| CN109811654A | 2019-05-28 | |||
| CN2693854Y | 2005-04-20 | |||
| CN202202483U | 2012-04-25 | |||
| DE2822145C2 | 1986-09-25 |
Attorney, Agent or Firm:
ZHEJIANG HANGZHOU JINTONG PATENT AGENCY CO., LTD. (CN)
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