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Quick Release mooring Hooks
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Document No.: #E0601
Rev .: B
©2006 Shanghai Eminent Enterprise Development Co., Ltd The copyright for the information and displays contained within this document is retained by Shanghai Eminent Enterprise Development Co., Ltd and is therefore to be considered proprietary. It is intended for the sole and discreet use of the party for whom it was prepared. With the exception of published technical references, literature and brochures the information and displays shall not be disclosed to a third Party without the prior written consent of Shanghai Eminent Enterprise Development Co., Ltd Shanghai Eminent Enterprise Development Co.,Ltd Tel: +86 (0)13905134168
上海冠卓企业发展有限公司 Fax: +86 (21) 5794 1569
Shanghai Email: [email protected] China Web: www.china-eminent.com
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Quick Release Hook卓冠
Quick Release Mooring Hook
1. GENERAL DESCRIPTION
Installed at dock, Quick release hooks are
special equipments for winding and tying of
ships. They are the update products of
mooring dolphins. Compared with cleat, they
reduce working intensity, increase working
efficiency and improve safety and reliability.
Quick release hook consists of integrated
electrical winch and release systems. They
are suitable for large tonnage ships mooring
harbors that require fewer workers and quick
releasing and winding of the hawser under
heavy storm or other dangerous status.
Eminent is a professional manufactory for design,
production, installation and service of Quick
Release Hook(QRH). We learned about different
design philosophies from various manufacturers,
drawed on the pick of the basket and we have put
Quick Release Hook卓冠
the client's valuable comments into the basket together with our own experience.
Eminent Quick Release Hook as an excellent product came out to the world. Especially,
our designers with a solid experience continue to update in new material and new
technical process in evey year. We have own 38pc patents only for Quick Release
Hooks.
We can supply you various type QRH(single, double, triple or quadruple hooks as
required by the layout of the terminal, although other
configurations, e.g. back-to-back,)with local manual hook
release, electric, hydraulic and pneumatic remote release
systems for the hooks, with the activation devices completely
integrated into the hook assembly. And also can supply
you the all type QRH installed mooring load monitoring
system. We named it "Eminent Intelligent Hook".
We can produce custom-made quick release hooks base on your requirement.
Quick Release Hook卓冠
Each hook is proof tested to 150% of its rated load, and the release mechanism
is tested at full load rating at our own test facility and is witnessedby a surveyor from an independent
Classification Society( LR,DNV,BV,ABS
etc.). If remote release is incorporated the
hooks can be released from a remote
location (generally the control room or jetty
office) as well as by activating a button on
the control panel mounted on the side of
the hook. Local displays of the mooring load tensions and audible and visual alarms
can also be incorporated into the hook.
2. STANDARDS
OCMIF: Mooring Equipment Guidelines
TMXW1-2004: QRH (Shanghai Enterprise Standard)
ASME, Section IX:Welding Qualifications
ASTM A283 (Grade C) :Standard Specification for Low and
Intermediate Tensile Strength Carbon Steel Plates
ASTM A148 :Standard Specification for Steel Castings, High Strength for Non
Structural Purposes
ASTM A572 :Standard Specification for High Strength Low Alloy
Columbium-Vanadium Structural Steel
IEC: National Electrical Code, Intrinsically Safe Process Control Equipment for
Use in Class I Hazardous Locations International Electrotechnical Commission
Chinese Standards and the specification from the clients.
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3. Capstan Assembly
In order to save time and to ensure maximum safety,Each mooring unit is equipped with
an integrated electric capstan motor assembly, the mooring ropes are lifted up to the
mooring hooks by using the integrated electrical capstan. The capstan which is
reversible is operated from a foot switch.
Capstans are integrally mounted to the hook units and
are certified for Ex area where applicable.
This capstan complies with following specifications:
Starting pull: 40KN = max line pull
Running pull: 15KN-30KN = normal line pull
Line speed: 20 m/min-25m/min
Back-stop: 1.5 times normal line pull
The capstan gear box is a self locking device to prevent the capstan head from turning in
the opposite direction due to the weight of the mooring line at power off.
The mounting model for motor is suggested: Horizontal.
4. STRUCTURE DESIGN
MATERIAL LIST:PART STANDARD REMARK
Hook GB-ZG35CrMo Equal to JIS SCCrM3
Shaft GB-40Cr Equal to ASTM A29 5140
Connector GB-Q420A Equal to ASTM A572 Gr.65
Frame GB-Q420A Equal to ASTM A572 Gr.65
Quick Release Hook卓冠
Mounting base GB-Q420A Equal to ASTM A572 Gr.65
Anchor bolts/nuts GB-Q345A Equal to ASTM A572 Gr.50
We also can choose the right material and cumstom-made QRH base on
the actual temperature on site(-20℃)We will submit the certificates for all material from an independent
Classification Society( LR,DNV,BV,ABS etc.).If necessary.
SPECIFICATION AND PERFORMANCE DATA
Each hook will be tested as follows: Test load =1.5 times the SWL
Release load = 1.0SWL
Manual release force for release bar < 170N@SWL
The movement range of hooks:
Vertical: -15°(MLMS model), -5°,0 to 45°, 55°.
Horizontal:
Single hook unit: 90°/90°
Double hook unit: 90°/45° (left hook)
45°/-90° (right hook)
Triple hook unit: 90°/ 45° (left hook)
45°/ -45°(Middle hook)
-45°/-90° (right hook)
Quadruple hook unit: Same as Triple hook unit.
MOUNTING BASE METHODS• Concrete embedment
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• Bolted to steel deck• Welded onto steel deck
HOOK ARRANGEMENTDifferent arrangements availableHooks can be installed on both sides of postHook post delivered with or without capstansFree standing capstans
5. INTELLIGENT HOOK
Eminent Intelligent hook includes Remote Release System, Status Sensors and Mooring
Load Moritoring System. It is possible to performe Quick Release hooks release,
monitoring out of the dock in emergency. Ensure the Security of Jettyand operators.
Remote Release System and Status Sensors
To operate the release system from the remote location,a central remote control
panel is included in the delivery. The panel includes:• Hook release indicator• Hook release push button• A master release push button• An emergency release push button
• A power on/off indicator lamp
• A power on/off switch
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• Digital display• Display of hook loads• Alarm indication
• Hook status (locked/unlocked)• Failed releaseThe remote quick release panel RQRP is
connected via the LAN/Ethernet cabling to
the hook stations. Functionality of the hooks
is controlled from the network dedicated
processor LAN Micro Sensor (LMS) built into
the RQRP. Control of the hook’s
open/close functions is separated from the central computer system due to safety
reasons. Furthermore a special coded message protocol between the RQRP and
the hook station LAN/Ethernet unit is made to avoid accidental release of the
hooks.The design of the RQRP allows to have multiple RQRP’s connected both for
hazardous and safe area.
Mooring Load Monitoring System.
(1) The Load Pin:
The load pin is manufactured as a direct replacement for the hook swivel shafts.
The load pin shall have the same safe
working load as the corresponding mooring
hook.
The load pins are made of stainless steel
17-4PH, which is a special quality of
stainless steel with an extreme high strength.
Quick Release Hook卓冠
(2) The Amplifier and Control Uint
A dedicated amplifier module LM4 that is integreted into the control panel for capstan
has been designed to protect the load cells fromthe cable network to aviod damage in case of
induction caused by lightening. The amplifier module
is equipped with a proceesor unit that will track of
the loads. This means that the load values are
memorized in this amplifier module keeping track
of about 1year of data. Should the central computer
for some reason fail, the history is always available in the amplifier unit.Temperature
ranging from -40℃ to 85℃
(3) Load Monitoring on Central Computor
The load information is in real-time sent to the central computor for visualization.This central computor acts as server for the datarecorders located in the hook remote release control
panel cabinet.The central computor system will also host the
Vessel Docking Aid System Software. Display
screens will be available to the operator thought astandard MS windows interface and will form an
intergreted package.