Construction method for upright lifting of large-tonnage box girder to bridge, and erection method for large-tonnage box girder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11391004
SERIAL NO

17613060

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A construction method for the upright lifting of a large-tonnage box girder to a bridge, and an erection method for the large-tonnage box girder. The construction method comprises: constructing a lifting station (2) at reserved bridge piers (1); disposing a girder lifting base (3), lifter traveling rails (4), and a mounting lifter (6) in the lifting station (2); directly erecting a box girder (7) by the lifter (6) in a way that the lifter (6) travels to a position above the base (3) and erects the box girder (7). The erection method further comprises: lifting by the lifter (6) a single set of transport and erection apparatuses or two sets of transport and erection apparatuses to a bridge, a girder transport vehicle (9) cooperating with a bridge erecting machine (10) to repeatedly complete the erection of the box girder (7); hoisting by the lifter (6) the transport and erection apparatus off the bridge; lifting by the lifter (6) the box girder (7) within the scope of the reserved bridge pier (1) to the erected box girder (7); and constructing the reserved bridge piers (1); completing by the lifter (6) the erection of the box girder (7) within the scope of the reserved bridge piers (1). The construction and erection methods for the box girder occupy a small space and have high efficiency.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHINA RAILWAY NO 2 ENGINEERING GROUP CO LTD610000 NO 16 TONGJIN ROAD JINNIU DISTRICT CHENGDU CITY SICHUAN PROVINCE CHENGDU CITY SICHUAN PROVINCE 610000
XINYUN ENGINEERING CO OF CHINA RAILWAY NO 2 ENGINEERING GROUP CO LTDNO 1 CHANGFU RD JINNIU DIST SICHUAN CHENGDU 610031

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Jianjun Chengdu, CN 132 633
Chen, Jiannan Chengdu, CN 4 8
Chen, Mengqiang Chengdu, CN 1 0
Li, Chao Chengdu, CN 578 2383
Li, Da Chengdu, CN 68 187
Li, Shilong Chengdu, CN 6 16
Lin, Guohui Chengdu, CN 2 2
Pan, Chuanwei Chengdu, CN 1 0
Tang, Haoxian Chengdu, CN 1 0
Wang, Qiang Chengdu, CN 762 5596
Ye, Yusen Chengdu, CN 1 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 19, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 19, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 19, 2034
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00