Hydraulic bow door apparatus
AssigneeWuxi Xinfan Marine Equipment Co., Ltd.
InventorXiaohua Zhou
Life of this patent
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Abstract
A hydraulic bow door apparatus, comprising a bow door movably mounted on a deck by a hinge shaft, the bow door comprises a doorframe and a door leaf hermetically mounted together, the front side of the doorframe is mounted with a hydraulic actuating cylinder, the cylinder body of the hydraulic actuating cylinder is hinged with the doorframe, the end of its piston rod is hinged with the hinge shaft through a first connecting rod assembly, after the piston rod of the hydraulic actuating cylinder is pushed out, the bow door is turned into a horizontal placement state; and the front side of the bow door is mounted with a foldable guardrail assembly. The hydraulic bow door apparatus ensures the protective security of a passage which is formed after the bow door is connected to dock.
Claims7
A hydraulic bow door apparatus, comprising a bow door movably mounted on a deck (2) by a hinge shaft (1), the bow door comprises a doorframe (3) and a door leaf (4) hermetically mounted together, the front side of the doorframe (3) is mounted with a hydraulic actuating cylinder (5), the cylinder body of the hydraulic actuating cylinder (5) is hinged with the doorframe (3), an end of a piston rod of the hydraulically driven cylinder (5) is hinged with the hinge shaft (1) through a first connecting rod assembly, after the piston rod is pushed out, the bow door is turned into a horizontal placement state;
- and the front side of the bow door is mounted with a foldable guardrail assembly;
- wherein the guardrail assembly comprises an upper guardrail (6) and a lower guardrail (7) which are set up and down after being unfolded, the upper guardrail (6) and the lower guardrail (7) are hinged with the doorframe (3) through a second connecting rod assembly;
- the upper guardrail (6) is hinged with the doorframe (3) through a first connecting rod (8) and a second connecting rod (9) which are crosswise hinged, the hinged point between the first connecting rod (8) and the second connecting rod (9) is hinged with the lower guardrail (7), a third connecting rod (10) is connected between the lower guardrail (7) and the doorframe (3), and a fourth connecting rod (11) and a fifth connecting rod (12) are respectively connected between the lower guardrail (7) and the first connecting rod (8) and the second connecting rod (9).
Dependencies are inferred from the claim text.