JPH0190693U

JPH0190693U -

Info

Publication number: JPH0190693U
Application number: JP18681887U
Authority: JP
Priority date: 1987-12-07
Filing date: 1987-12-07
Publication date: 1989-06-14
Anticipated expiration: 2002-12-07
Also published as: JPH0735830Y2

Description

[Brief explanation of the drawing]

第１図はジブクレーンが折り畳まれた状態にあ
る引船の側面図、第２図はジブクレーンが使用状
態にある引船の後面図、第３図は動作説明図、第
４図は傾斜計の構成図、第５図は加速度補償装置
の制御機能を示すブロツク図、第６図及び第７図
は動作説明図、第８図は他の実施例を示す要部の
構成図である。１……引船、２……メインマスト、３……軸受
、４……旋回軸、５……ヒンジ、６……ジブ、７
……ウインチ、８……ワイヤーロープ、９……サ
ーボモータ、１０……傾斜計、１１，１２……例
えば、ポテンシヨンメータ、１３……例えば、超
音波高度計、１４……輪、１５……索条。 Figure 1 is a side view of the tugboat with the jib crane folded, Figure 2 is a rear view of the tugboat with the jib crane in use, Figure 3 is an operational diagram, Figure 4 is a configuration diagram of the inclinometer, FIG. 5 is a block diagram showing the control function of the acceleration compensator, FIGS. 6 and 7 are operation explanatory diagrams, and FIG. 8 is a configuration diagram of the main parts showing another embodiment. 1...Tugboat, 2...Main mast, 3...Bearing, 4...Swivel axis, 5...Hinge, 6...Jib, 7
... Winch, 8 ... Wire rope, 9 ... Servo motor, 10 ... Inclinometer, 11, 12 ... For example, potentiometer, 13 ... For example, ultrasonic altimeter, 14 ... Wheel, 15 ... cable.

Claims

[Scope of utility model registration request]

A pivot shaft that is rotatably supported on the mast via a bearing and has an extension function if necessary, the top end of the pivot shaft, and a large elevation angle that is attached to the vicinity of the top end of the mast via a hinge to obtain a large lift. Equipped with a jib crane consisting of a jib whose tip part can be lowered to near the base of the mast and has a large depression angle that can be easily stored and held when not in use, and which can be extended as necessary. , a tugboat characterized by having a kind of supply function for ships to be operated.