Title:
BRIDGE CONSTRUCTION ANTI-DROP DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/140897
Kind Code:
A1
Abstract:
A bridge construction anti-drop device, comprising a main box body (1). An upper end of the main box body (1) is connected to a lower plate (2), and a lower end of the main box body (1) is fixed to a universal wheel (3). Safety nets (4) are connected around the main box body (1), and lower ends of the safety nets (4) are installed with a safety board (30). An upper end of the lower plate (2) is connected to an upper plate (5), and a baffle (9) is connected around the upper plate (5). A base (10) is fixed to the middle of the upper plate (5), and a frame (12) is connected inside the base (10). The frame (12) is rotatably connected to a rotating rod (14), and the rotating rod (14) is connected to an inner wall of the base (10) by means of a first spring (15). A lower end of the rotating rod (14) has a safety rope (18) tied thereto, and an end of the safety rope (18) is connected to a fixing lock (19). The rotating rod (14) has a first pulling rope (16) connected thereto. The main box body (1) is hollow inside, and a fixing plate (23) is fixed at a position inside the main box body (1) that corresponds to each safety net (4). The fixing plate (23) has a fixing seat (24) integrally connected thereto. The fixing seat (24) has a striking rod (26) slidingly connected thereto, and the striking rod (26) is sleevingly provided with a second spring (27). The rod body of the striking rod (26) has a stopper (29) connected thereto. The fixing seat (24) has a rotating shaft (25) connected thereto. The rotating shaft (25) has a pawl (28) rotatingly connected thereto, and the pawl (28) is connected to the first pulling rope (16). The bridge construction anti-drop device has a good anti-drop effect.
Inventors:
XU JIAN (CN)
Application Number:
PCT/CN2018/100744
Publication Date:
July 25, 2019
Filing Date:
August 16, 2018
Export Citation:
Assignee:
XU JIAN (CN)
International Classes:
B66F11/04; B66F17/00; E01D19/10; E04G1/20; E04G1/24; E04G5/14; E04G21/32
Foreign References:
| CN108301327A | 2018-07-20 | |||
| CN206843001U | 2018-01-05 | |||
| CN205476382U | 2016-08-17 | |||
| KR20120047331A | 2012-05-11 |
Attorney, Agent or Firm:
BEIJING TROHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF: