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Foldable extensile suspension arm

A folding and boom technology, applied in the davit and other directions, can solve the problem of no built-in boat retractable device for loading and use, and achieve the effect of reducing storage space, improving safety, and convenient folding

Active Publication Date: 2013-01-09
哈尔滨哈船减摇自动化设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no built-in dinghy retractable device for shipment and use

Method used

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  • Foldable extensile suspension arm
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Examples

Experimental program
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Embodiment Construction

[0013] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0014] combine Figure 1~3 , the technical solution adopted in the present invention is: first, a parallel four-bar linkage mechanism is formed by the base 1, the main arm 4, the main arm pull rod 8 and the joint 13, and the four linkages are driven by the oil cylinder I and the oil cylinder rod I; The forearm 21, the forearm pull rod 22, the connection block 27 and the joint 13 form another parallel four-bar linkage mechanism, which is driven by the oil cylinder II17 and the oil cylinder rod II18; at the same time, the gear I11 installed on the main arm 4 and the gear II12 installed on the forearm are synchronized Mesh gear system; And telescopic sub-arm 29 is installed on connecting block 27, sub-arm 29 is driven by oil cylinder III 23 and oil cylinder rod III 24;

[0015] The extension and folding of the boom are realized by three hydraulic cylinders respectiv...

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Abstract

The invention aims to provide a foldable extensile suspension arm which comprises a substrate, a main arm, a main arm draw bar, a front arm, a front arm draw bar, a joint, a connecting block, a first hydraulic cylinder and a second hydraulic cylinder, wherein two ends of the main arm and the main arm draw bar are respectively connected with the substrate and the joint through respective shafts; the main arm, the main arm draw bar, the substrate and the joint form a parallel four-bar linkage mechanism; two ends of the first hydraulic cylinder are respectively connected with the substrate and the main arm; two ends of the front arm and the main arm draw bar are respectively connected with the joint and the connecting block by respective shafts; the front arm, the front arm draw bar, the joint and the connecting block form a parallel four-bar linkage mechanism; and two ends of the second hydraulic cylinder are respectively connected with the joint and the front arm. According to the two sections of mechanical arms and one section of telescoping mechanism proposed by the foldable extensile suspension arm, the length of the suspension arm can be determined as required, the requirement of the overlong arm can be realized, and meanwhile, the foldable extensile suspension arm is convenient to fold, the transportation and storage space is greatly reduced, and the safety of a mother ship is improved.

Description

technical field [0001] The invention relates to a daily work and emergency escape device for a ship and an offshore working platform, in particular to a boom device of the escape device. Background technique [0002] In civil technology, it is important to utilize the dinghy retractable device to retract the dinghy from the mother ship. The traditional dinghy retractable device has a relatively long boom and can only be installed on the uppermost deck. It is difficult to maintain the dinghy and the retractable device, and takes up a lot of deck space. The built-in installation of the boat retractable device can reduce the installation space of the retractable device and improve the safety of the ship. Still do not have at present the loading and unloading device that can build-in type dinghy to use. Contents of the invention [0003] The object of the present invention is to provide a foldable extendable boom that can be installed in a built-in manner. [0004] The purp...

Claims

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Application Information

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IPC IPC(8): B63B23/08
Inventor 梁利华史洪宇张松涛王经甫吉明杜宏旺
Owner 哈尔滨哈船减摇自动化设备有限公司
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