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FY-50Y BOP Handling System
Baoji Engineering Hydraulic Components Plant
I. Profile
FY-50Y BOP Handling System is designed to meet requirement of installing and
removing BOP stacks. The system is full-hydraulic control and can be used for
heavy and medium duty drilling equipment. The main function of system is to lift
and install single BOP or BOP stacks. The system features with explosion-proof,
easier operation, better reliability, and safety. It consists of left and right BOP
moving device (each hung on one guide rail below drill floor), hydraulic control
box, pipelines, and hose hangers. Controlled by hydraulic operating box, the
system can achieve the movement of rising, lowering, moving forward and
backward synchronously, or moving forward and backward asynchronously, rising
and lowering with limited separation distance (less than 1m). It is convenient for
installing and removing BOP stacks.
II. Type and Specifications
1. FY-50Y BOP Handling System mainly consists of left / right handling devices and
hydraulic system.
2. FY-50Y BOP Handling System is powered by hydraulic power station for floor
mechanical tools (i.e. power tongs) of drilling rig.
3. FY-50Y BOP Handling System is easier to assemble and disassemble. All
hydraulic hoses adopt snap joints (completed with dust-proof plugs or caps) as
connections. It not only makes it easier to assemble and disassemble system but
also keep inner hoses clean.
4. Technical Specifications
a. Max. Lifting Capacity: 2x250=500kN
b. Max. Lifting Height: 4.0m
c. Max. Lifting Speed: 1.5m/min
d. Max. Lowering Speed: 3m/min
e. Max. Horizontal Moving Speed (Dual Direction): 12m/min
f. Max. W.P. Hydraulic System: 16MPa
g. Max. Flow Hydraulic System: 120L/min
h. Wire Line Diameter: 28mm
III. Structure and Features
1. FY-50Y BOP Handling System is combined by two single lifting devices which
each hung on guide rail below the drill floor. One device can lift maximum 250kN
load and 500kN for two.
2. The system adopts 3 times stroke scale-up structure which features with shorter
cylinder stroke, bigger lifting height. Compared with other same lifting height
BOP handling system, it has lighter weight and compact volume.
3. The system is full hydraulic control. Each lifting device consists of following parts:
Running mechanism (powered by hydraulic motor)
Lifting cylinder
Wire rope and pulley block
Main frame connecting running mechanism and cylinder
Hydraulic control system.
4. Operator can operate and control system by hydraulic control box to achieve the
following actions:
Rising and lowering synchronously
Moving forward and backward synchronously
Moving forward and backward asynchronously
Rising and lowering synchronously with limited separation distance (less than 1m)
5. By full hydraulic control, it features higher performance on explosion-proof.
6. Easy operating valves on hydraulic control box make it easy to control the speed
of rising, lowering, moving forward and backward.
7. FY-50Y BOP Handling System is easy to install and transport. All hydraulic hoses
used to connect or disconnect on installation or dismounting adopt snap joints as
connections. It not only makes it easy to install and dismount system but also
keep inner hoses clean.
IV. Installation and Test
1. Infix two lifting devices separately from the ends of guide rails below the drilling
floor (see Figure 2 for installing direction), and mount stop pins on the end of the
guide rails to prevent lifting devices from sliding out of the guide rails.
2. Weld backing plate of pipe hanger matched with wed plates on the middle of
guide rails and mount pipe hanger (see Figure 2).
3. According to the matching codes stamped on the snap joints, connect all
hydraulic hoses with two lifting devices.
4. According to the matching codes stamped on the snap joints, connect all
hydraulic hoses with hydraulic control box and lifting devices, and fix the middle
of hoses on the pipe hanger.
Note: The length of hoses between pipe hanger and lifting device
should meet the requirement of lifting devices on moving forward and
backward.
Manual of FY-50Y
3/7
5. Connect oil inlets and outlets on the hydraulic control box with oil inlets and
outlets on the hydraulic station of power tongs on the drilling floor.
6. Ensure all pipe connections in good condition, start hydraulic station to provide
FY-50Y BOP Handling System with 16MPa hydraulic oil.
7. Push handles of control valves according to the direction marked on the
nameplates of the control box and check if all actions are right. Only after all
actions must be checked with no any mistakes, then the system can be put into
operation.
!!! Caution !!!
On the operation of moving forward and backward asynchronously,
the distance between two lifting devices must be less than one meter,
otherwise it will cause serious accident.
V. Operation, Maintenance and Safety
1. Watch the manometer on the hydraulic control box to check if oil-feeding
pressure meets the requirement (16MPa).
2. According to the directions marked on the nameplates of hydraulic control box,
operate two lifting devices to rise, lower, move forward and backward.
2.1 Synchronously control valve No. 1 and 2 to make system move synchronously.
2.2 Asynchronously control valve No. 1 and 2 to make system move asynchronously.
!!!Caution!!!
On the operation of moving forward and backward asynchronously, the
distance between two lifting devices must be less than one meter,
otherwise it will cause serious accident.
2.3 Synchronously control valve No. 3 and 4 to make system lift synchronously.
2.4 Asynchronously control valve No. 3 and 4 to make system lift asynchronously.
3. Maintenance is the needed procedure before installation of two lifting devices.
There are 8 lubrication ports on the lifting device each, 6 for pulleys and 2 for
driving gears. All lubrication ports should be fed by lithium base grease.
4. Before each lifting operation, operator should check if all cables are in good
conditions. All cables should be reliable connection before operation. On lifting
operation, workers should be far away from the goods to avoid accidents
★Warning! In the hydraulic system, safe overload valve is equipped on the oil
Manual of FY-50Y
4/7
line from balance valve to cylinder rod cavity. The preset pressure is 19Mpa. In
case that oil drainage occurs upon the security oil vent during operation, which
means oil return line blocked, stop operating at once and check connecting of line
and adapter. Only the line is connected properly can operation be allowed, in
otherwise serious accident is happening!
VI. Spare Parts List
Item Code Description Qty. Components
1 FY50-01.04.02 Cupper Bushing 24 Pulley
2 FY50-09.02 Lift Cable Φ28 2 BOP Handling System
3 GB276-82 Bearing 306 4 Gear Reducer
4 GB278-82 Bearing 60307 4 Gear Reducer
5 GB276-82 Bearing 106 1 Pipe hanger
6 GB301-84 Bearing 8205 1 Pipe hanger
7 GB276-82 Bearing 312 20 Drive / driven Wheel
8 604-1034 J2K-160 Cycloid Motor 4 Hydraulic System
9 DB10-2-30/315 Overflow Valve 2 Hydraulic System
10 RVP10-10 Check Valve 8 Hydraulic System
11 FD12FA12/B30 Compensation Valve 2 Hydraulic System
12 GB1235-76 O-ring 12x1.9 36 Hydraulic System
13 GB1235-76 O-ring 16x2.4 4 Hydraulic System
14 GB1235-76 O-ring 20x2.4 13 Hydraulic System
15 GB1235-76 O-ring 24x2.4 2 Hydraulic System
16 GB1235-76 O-ring 30x3.1 2 Hydraulic System
17 JB982-77 Combined Gasket 22 18 Hydraulic System
18 JB982-77 Combined Gasket 18 6 Hydraulic System
19 JB982-77 Combined Gasket 14 18 Hydraulic System
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