Marine telescopic crane

A crane and marine technology, applied in the field of marine telescopic cranes, can solve problems such as inconvenient lifting of cargo, failure of cranes to work normally, and affecting work efficiency, and achieve the effects of preventing wear and tear of steel wire ropes, good lubrication, and optimized shape and structure

Inactive Publication Date: 2016-06-01
WUXI SHENGOU MARINE EQUIP
5 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

The general-purpose hydraulic crane installed on the tugboat is mainly used to lift daily necessities and garbage, and the crane equipped on the ship often has lifting operations with different working radii, especially for cargo lifting on small and medium-sized ships. It is not particularly convenient. At th...
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Method used

As shown in Fig. 1, Fig. 2, the present invention comprises the base 1 that is fixed on the deck, on the base 1, tower body 3 is installed by slewing bearing 2, is positioned at the top side of tower body 3 and is hinged with basic arm 4, The upper end of the basic arm 4 is equipped with a hydraulic winch 5, and the telescopic arm 6 is installed in the basic arm 4. The end of the telescopic arm 6 is equipped with a pulley device 7, and one end of the wire rope 8 is connected with the hydraulic winch 5. The other end of the wire rope 8 One end passes through the pulley device 7 to connect the hook 9, the lower side of the tower body 3 is provided with a first fixture 10, the bottom of the basic arm 4 is provided with a second fixture 11, the first fixture 10, the second fixture 11 A luffing oil cylinder 12 is installed between them. Through the telescopic boom 6, lifting conditions with different working radii can be realized. After the operation is completed, the telescopic boom 6 is retracted into the basic boom 4, which not only optimizes the crane’s appearance and struc...
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Abstract

The invention provides a marine telescopic crane which is simple in structure and convenient to operate, can realize flexible lifting, is suitable for the lifting working conditions of different working radiuses, effectively avoids the phenomenon that a steel wire rope deviates and jumps out of a groove, improves the working efficiency and the use safety, and has high use and popularization values. The marine telescopic crane comprises a base fixed on a deck, wherein a tower body is mounted on the base through a slewing bearing; a basic boom is hinged to one side of the top of the tower body; a hydraulic winch is mounted at the upper end of the basic boom; a telescopic boom is mounted in the basic boom; a pulley device is mounted at the end part of the telescopic boom; one end of the steel wire rope is connected with the hydraulic winch; the other end of the steel wire rope bypasses the pulley device and is connected with a lifting hook; a first fixing piece is arranged on one side of the lower part of the tower body; a second fixing piece is arranged at the bottom of the basic boom; and a derricking oil cylinder is mounted between the first fixing piece and the second fixing piece.

Application Domain

Cranes

Technology Topic

Sonic boomSlewing bearing +4

Image

  • Marine telescopic crane
  • Marine telescopic crane

Examples

  • Experimental program(1)

Example Embodiment

[0009] Such as figure 1 , figure 2 As shown, the present invention includes a base 1 fixed on the deck. A tower 3 is installed on the base 1 through a slewing support 2. A basic arm 4 is hinged on the top side of the tower 3, and a hydraulic winch is installed on the upper end of the basic arm 4 5. A telescopic arm 6 is installed in the basic arm 4, a pulley device 7 is installed at the end of the telescopic arm 6, one end of the wire rope 8 is connected to the hydraulic winch 5, and the other end of the wire rope 8 passes through the pulley device 7 to connect the hook 9. The lower side of the tower body 3 is provided with a first fixing member 10, the bottom of the basic arm 4 is provided with a second fixing member 11, and a luffing cylinder 12 is installed between the first fixing member 10 and the second fixing member 11. The telescopic boom 6 can be used for lifting conditions with different working radii. After the operation is completed, the telescopic boom 6 is retracted into the basic boom 4, which not only optimizes the crane's shape and structure, but also occupies a smaller deck, enabling multiple engineering operations The pulley device 7 includes a pulley 13, a wire rope 8 is wound in the pulley groove 14 of the pulley 13, the baffle 15 is fixed between the brackets 16 on both sides of the pulley 13, and the inner surface of the baffle 15 is provided with ribs 17, which can improve the baffle 15 There is a fixed plate 18 between the pulley 13 and the brackets 16 on both sides. One end of the fixed plate 18 passes through the rib 17 and is fixed to the baffle 15, and the other end of the fixed plate 18 is connected to the tail of the pulley 13, then the pulley 13 is fixed A cavity is formed between the plate 18 and the rib 17 in which the wire rope 8 can swing. The thickness of the gap between the fixed plate 18 and the pulley 13 on both sides is smaller than the diameter thickness of the wire rope 8, which avoids the problem of the wire rope 8 running out of groove and falling out of groove. ; The rib 17 is coated with grease to prevent abrasion of the wire rope and play a better lubricating effect.

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Description & Claims & Application Information

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