Ladder is passed a bridge for well drilling

The utility model discloses a ladder is passed a bridge for well drilling, its characterized in that: include: stride and establish ladder (1 of locating at open flow pipeline (5) and ladder (1 -1), ladder (1) is connected on bridge floor (2) through pivot (3) with ladder (1 -1), ladder (1) is conne...

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Bibliographic Details
Main Authors WANG HONGCHEN, LI SHOUZHONG, WANG HUWEN, ZHAO ZHIHUA, LIU CONG, HE XIANGBIAO, LI FUTIAN, LI BO, WANG QINGJIANG
Format Patent
LanguageChinese
English
Published 06.04.2016
Subjects
ASSEMBLY OF BRIDGES
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
OR VIADUCTS
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Summary:The utility model discloses a ladder is passed a bridge for well drilling, its characterized in that: include: stride and establish ladder (1 of locating at open flow pipeline (5) and ladder (1 -1), ladder (1) is connected on bridge floor (2) through pivot (3) with ladder (1 -1), ladder (1) is connected by control tube (4) with ladder (1 -1), ladder (1) and ladder (1 -1) are equipped with on, prevents guardrail bar, be equipped with on bridge floor (2) and prevent guardrail bar, it is low with the high low needs of adaptation open flow pipeline through the height that the flexible regulation ladder of control tube (4) was passed a bridge. The utility model discloses simple structure, safe and reliable, high minuent can be adjusted, and it is nimble convenient to use, has solved former ladder and has passed a bridge and to adjust high low defect, adjusts the problem that the high minuent of ladder is passed a bridge for well drilling wastes time and energy in addition.
Bibliography:Application Number: CN20152941418U