Title:
SINGLE-TOOTH TRACK PLATE COGGING-DOWN PASS AND HOT ROLLING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/098123
Kind Code:
A1
Abstract:
Provided in the present invention are a single-tooth track plate cogging-down pass and hot rolling method. The single-tooth track plate cogging-down pass comprises a first cogging hole and a second cogging hole, wherein the first cogging hole is formed by means of a first upper roller and a first lower roller of a cogging machine; the second cogging hole is formed by means of a second upper roller and a second lower roller of the cogging machine; the first cogging hole is a front hole and configured to press a rectangular continuous casting blank into an intermediate blank in the shape of the Chinese character "山" comprising a right bent branch, a first middle column, and a left bent branch; and the second cogging hole is a rear hole and configured to press the intermediate blank in the shape of the Chinese character "山" into an inverted T-shaped intermediate blank comprising a right flat branch, a second middle column, and a left flat branch. The present invention significantly reduces the dependence on a blank size, can produce a large-sized single-tooth track plate from a small blank, and has good energy-saving and consumption-reducing effects; and the unique design of the first cogging hole and the second cogging hole eliminates the disadvantages of low efficiency, poor safety, low size accuracy, etc. caused by the instability of the blank, and thus the single-tooth track plate is efficiently produced.
Inventors:
HUO XIWEI (CN)
SUN XIAOQING (CN)
SHANG GUOMING (CN)
JI JINLI (CN)
LI CHENG (CN)
LEI GANG (CN)
SUN XIAOQING (CN)
SHANG GUOMING (CN)
JI JINLI (CN)
LI CHENG (CN)
LEI GANG (CN)
Application Number:
PCT/CN2022/109504
Publication Date:
June 08, 2023
Filing Date:
August 01, 2022
Export Citation:
Assignee:
SHANDONG IRON & STEEL CO LTD (CN)
International Classes:
B21B1/08; B21B27/02
Foreign References:
| CN105458002A | 2016-04-06 | |||
| CN103447443A | 2013-12-18 | |||
| CN212639190U | 2021-03-02 | |||
| CN103350114A | 2013-10-16 | |||
| CN102321841A | 2012-01-18 | |||
| CN215785675U | 2022-02-11 | |||
| US4420962A | 1983-12-20 | |||
| SU1676689A1 | 1991-09-15 |
Attorney, Agent or Firm:
BEIJING WUZHOUYANGHE & PARTNERS (CN)
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