CN109132858A - Main frame jack up unit - Google Patents
Main frame jack up unit Download PDFInfo
- Publication number
- CN109132858A CN109132858A CN201710453641.6A CN201710453641A CN109132858A CN 109132858 A CN109132858 A CN 109132858A CN 201710453641 A CN201710453641 A CN 201710453641A CN 109132858 A CN109132858 A CN 109132858A
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- Prior art keywords
- main frame
- jacking
- connecting plate
- long connecting
- unit
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 230000008093 supporting effect Effects 0.000 claims description 26
- 239000000725 suspension Substances 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of main frame jack up units, are used for raising main frame, which is characterized in that the main frame jack up unit includes: reinforcing beam, and the reinforcing beam is set to the deck in ship structure, and the reinforcing beam has support top surface；Jacking apparatus, the jacking apparatus includes jacking device, jacking cross beam and long connecting plate, the jacking device is set on the support top surface, and the jacking cross beam is set on the jacking device, and the jacking device makes the jacking cross beam and long connecting plate vertical up-or-down movement.The main frame jack up unit passes through the jacking device being arranged on the support top surface of reinforcing beam and generates upward top lift, driving jacking cross beam, long connecting plate and coupled main frame move upwards, the structure setting is in deck in ship structure, there is no need to remove the components such as the pipe of nacelle top, cable, and without reinforcing nacelle top frame structure as the raising suspension centre of main frame, reduce improvement expenses and workload.
Description
Technical field
The present invention relates to a kind of main frame jack up units.
Background technique
Modern civilian boat all uses large-sized low-speed diesel engine as power device, and large-sized low-speed diesel engine is by base, rack, song
Axis, cylinder body, booster, the components such as air inlet-outlet pipe composition, it is that the core in watercraft engine room is set that main screw lift, which reaches 300 tons or more,
It is standby, the space of cabin 50% is nearly occupied, it is bulky.When shipbuilding, superstructure does not lift completion, therefore in cabin
There is the opening that can be hung to the complete machine of host or big component in cabin in portion, since diesel main engine overall weight is big, it is necessary to by
Whole or seperated lifting is carried out in large-scale floating crane or gantry crane.
During shipbuilding is completed and is come into operation, if the crankshaft of host goes wrong, need the machine of host
Frame is sling, then the crankshaft below rack is integrally removed cabin and is placed under repair.The superstructure of ship has been installed at this time,
Nacelle top, which is not open, can lift host for large-scale lifting appliance, can only carry out structural strengthening in nacelle top,
Lifting lug is set, then mounts multiple chain blocks (or pneumatic, electric block) and raising is carried out to rack, this method hanging method is wanted
Multiple suspension centre lift carriages are set using nacelle top, it is necessary to using the original frame structure of cabin and carry out structural strengthening, also
It needs to remove the components such as pipe, the cable of nacelle top, increases many workloads.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art in the crankshaft for the marine main engine that needs repairing,
Main frame must be sling using the original frame structure of nacelle top as suspension centre, it is therefore desirable to remove the pipe of nacelle top
The components such as son, cable carry out structural strengthening to top again, thus increase the defect of many workloads, provide a kind of main frame
Jack up unit.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of main frame jack up unit, is used for raising main frame, and the main frame jack up unit has host
Rack raising unit, the main frame raising unit include:
Reinforcing beam, the reinforcing beam are set to the deck in ship structure above the main frame, and the reinforcing beam has support
Top surface；
Jacking apparatus, the jacking apparatus include jacking device, jacking cross beam and long connecting plate, and the jacking device is set to institute
It states on support top surface, the jacking cross beam is set on the jacking device, and one end of the long connecting plate is connected to the jacking
Crossbeam, the other end of the long connecting plate are connected to the main frame, and the jacking device makes the jacking cross beam and long connection
Plate vertical up-or-down movement.
The main frame jack up unit passes through the jacking device being arranged on the support top surface of reinforcing beam and generates upward jacking
Power, driving jacking cross beam, long connecting plate and coupled main frame move upwards.Main frame jack up unit setting exists
In deck in ship structure above cabin, therefore the main frame jack up unit need to be only placed above deck main frame can be hung
It rises.
Preferably, the jacking apparatus includes two long connecting plates, two long connecting plates are respectively arranged at the top
Rise the two sides of device.
Two pieces of long connecting plates are separately positioned on the two sides of jacking device, and the top lift that the jacking device effectively balanced generates makes
The main frame raising unit can steadily be lifted main frame.
It is set gradually simultaneously preferably, the surface of each long connecting plate all has along the long connecting plate length direction
Through multiple connecting holes of the long connection plate thickness direction, two long connecting plates are along the side perpendicular to the support top surface
To the reinforcing beam and jacking cross beam is arranged in, the jacking cross beam is removably connected to two long connecting plates；
The jacking apparatus further includes two supporting pins, each described supporting pin is corresponded with the long connecting plate
Setting, two supporting pins are removably connected to any connecting hole of the corresponding long connecting plate respectively, when the top
When rising device makes the jacking cross beam and long connecting plate vertical downward movement, the supporting pin is resisted against the support top surface.
When jacking device drives jacking cross beam and long connecting plate to move up to the extreme limit of travel of jacking device, thus it is possible to vary two
A supporting pin is installed to the connecting hole of support beam close on long connecting plate.When jacking device drives jacking cross beam and long connecting plate
After moving downward a distance, two supporting pins are resisted against on the support top surface of reinforcing beam, make to support jacking cross beam, long connecting plate
And coupled main frame no longer moves downward.
When jacking device drops to the extreme limit of travel that it is moved downward, the company between jacking cross beam and long connecting plate is removed
It connects, then jacking cross beam is installed again to the connecting hole of jacking device close on long connecting plate, make jacking device again by jacking cross beam
And long connecting plate jacks up.The structure is in the lesser situation of stroke range of jacking device, by constantly converting jacking cross beam, long company
Installation site between fishplate bar and supporting pin enables main frame to be jacked to higher position.
Preferably, having multiple square holes on the reinforcing beam, multiple square holes are along the side perpendicular to the support top surface
To setting, multiple square holes are arranged in a one-to-one correspondence with the long connecting plate, and the long connecting plate is slidedly arranged on the square hole；
And/or there are multiple square holes on the jacking cross beam, multiple square holes are along the side perpendicular to the support top surface
To setting, multiple square holes are arranged in a one-to-one correspondence with the long connecting plate, and the long connecting plate is slidedly arranged on the square hole.
The two structures can effectively limit long connecting plate, move it direction and be limited within the scope of up and down motion, prevent
Only long connecting plate generates double swerve when in use, improves the stability and safety of main frame jack up unit.
Preferably, the jacking cross beam is removably connected to two long connecting plates by round pin.
Jacking cross beam and two long connecting plates are fixed together by way of round pin pin joint, make to remove or install jacking
Connection between crossbeam and two long connecting plates is easier.
Preferably, the jacking device is multiple hydraulic cylinders.
By the way that multiple hydraulic cylinders placed side by side are arranged in a main frame raising unit, master is effectively shared
The top lift of machine rack.And in the case where single hydraulic cylinder breaks down, jacking device can still rely on remaining liquid
Cylinder pressure jacks up main frame.
Preferably, each described main frame raising unit includes combination hanging beam, the combination hanging beam is connected to institute
The bottom of jacking apparatus is stated, the combination hanging beam is for being connected to the main frame.
Combination hanging beam is a small-sized steel construction beam body, is connected to the installation shackle of main frame, makes main frame and master
Connection relationship between machine rack raising unit is more stable.
Preferably, the jacking apparatus includes four short connecting plates, short connecting plate described in every two is connect with the length
Plate is arranged in a one-to-one correspondence, and one end of the short connecting plate is set to and passes through the bottom that round pin is movably connected on the long connecting plate
The other end of two sides, the short connecting plate is set to and passes through the top two sides that round pin is movably connected on the combination hanging beam.
By way of round pin pin joint, it will be combined between hanging beam and two long connecting plates and be fixed on using four short connecting plates
Together, make to need to remove or hanging beam is combined in installation and two long connecting plates are easier.And since space is smaller in cabin, this
The form that jacking apparatus is divided into multiple sub-assemblies can be effectively reduced the difficulty that jacking apparatus is installed in cabin by kind.
Preferably, there are two main frame raising unit, two main frames for the main frame jack up unit tool
The setting before and after the major axes orientation of the main frame of raising unit.
Two main frame raising units are separately positioned on the rear and front end of main frame, make main frame stress balance,
It can steadily be sling.
Preferably, the reinforcing beam of two main frame raising units is integral.
By the way that two reinforcing beams are integrated, entire main frame jack up unit is made to be placed in a complete reinforcing beam
On, this structure can effectively share the gravity of main frame, make the deck in ship structure uniform force that reinforcing beam is arranged, improve
The structural stability of main frame jack up unit.
The positive effect of the present invention is that:
The main frame jack up unit passes through the jacking device being arranged on the support top surface of reinforcing beam and generates upward jacking
Power, driving jacking cross beam, long connecting plate and coupled main frame move upwards, the structure setting in deck in ship structure,
There is no need to remove the components such as the pipe of nacelle top, cable, and without reinforcing nacelle top frame structure as master
The raising suspension centre of machine rack, reduces improvement expenses and workload.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the main frame raising unit of inventive embodiments.
Fig. 2 is the overlooking structure diagram of the reinforcing beam of inventive embodiments.
Fig. 3 is the overlooking structure diagram of the jacking cross beam of inventive embodiments.
Fig. 4 is the side structure schematic view of the main frame jack up unit of inventive embodiments.
Fig. 5 is the use structural schematic diagram of the main frame jack up unit of inventive embodiments.
Description of symbols:
Main frame jack up unit 1
Main frame raising unit 2
Reinforcing beam 3 supports top surface 31, square hole 32
Jacking apparatus 4
Jacking device 41
Jacking cross beam 42, square hole 421
Long connecting plate 43, connecting hole 431
Supporting pin 44
Short connecting plate 45
Combine hanging beam 5
Main frame 60 installs shackle 601
Deck in ship structure 70
Cabin 80
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of main frame jack up unit 1, main frame raising dresses
1 is set for raising main frame 60 comprising two main frame raising units 2.
Each main frame raising unit 2 includes reinforcing beam 3, jacking apparatus 4 and combination hanging beam 5.
70 surface of deck in ship structure of 60 top of main frame is arranged in reinforcing beam 3, which has a support top surface
31 and two perpendicular to support top surface 31 and completely through the square hole of reinforcing beam 3 32.
Jacking apparatus 4 includes jacking device 41,43, two supporting pins 44 of jacking cross beam 42, two long connecting plates and four short
Connecting plate 45.Jacking device 41 is arranged on the support top surface 31 of reinforcing beam 3, and the top of jacking device 41 is arranged in jacking cross beam 42,
Jacking device 41 can drive jacking cross beam 42, make its vertical up-or-down movement.
Two long connecting plate 43 is separately positioned on the two sides of jacking device 41, and the surface of each long connecting plate 43 all has edge
Multiple connecting holes 431 for setting gradually of its length direction, these connecting holes 431 run through the thickness direction of connecting plate.Each length
Connecting plate 43 is connected by these connecting holes 431 with jacking cross beam 42, and makes long connecting plate 43 and jacking cross beam 42 using round pin
Between be detachably connected.The top of reinforcing beam 3, two long companies are arranged in the assembly of jacking cross beam 42 for two long connecting plate 43
Fishplate bar 43 is each passed through two square holes 32 of reinforcing beam 3 and extends in the cabin 80 of 70 lower section of deck in ship structure, the two length connect
Fishplate bar 43 can slide up and down in two square holes 32 of reinforcing beam 3 respectively.The other end of the two connecting plates is connected to host
In rack 60, thus make jacking device 41 drive jacking cross beam 42, long connecting plate 43 and coupled main frame 60 it is vertical on
Lower movement.The main frame jack up unit 1 is arranged in the deck in ship structure 70 of 80 top of cabin, therefore need to only place above deck
The main frame jack up unit 1 can sling main frame 60.
Preferably, also for tool there are two square hole 421, the two square holes 421 are also perpendicularly to support top surface 31 on jacking cross beam 42
And completely through jacking cross beam 42, two long connecting plate 43 is each passed through the square hole 421 of jacking cross beam 42, makes long connecting plate 43
Also it can be slided up and down in two square holes 421 of jacking cross beam 42.The structure can effectively limit long connecting plate 43, make it
Moving direction is limited in the range of up and down motion, prevents long connecting plate 43 from generating double swerve when in use, improves host machine
The stability and safety of frame jack up unit 1.
Two supporting pins 44 are arranged in a one-to-one correspondence with two long connecting plate 43 respectively, the two supporting pins 44 are separately positioned on
In any connecting hole 431 on two long connecting plate 43, when the driving jacking cross beam 42 of jacking device 41 and long connecting plate 43, make it
When vertical downward movement, the two supporting pins 44 will be resisted against on the support top surface 31 of reinforcing beam 3.
It, can when jacking device 41 drives jacking cross beam 42 and long connecting plate 43 to move up to the extreme limit of travel of jacking device 41
To change in two installations to long connecting plate 43 of supporting pin 44 in the connecting hole 431 of support beam.When jacking device 41 drives
After jacking cross beam 42 and long connecting plate 43 move downward a distance, two supporting pins 44 are resisted against the support top surface of reinforcing beam 3
On 31, make that jacking cross beam 42, long connecting plate 43 and coupled main frame 60 is supported no longer to move downward.
When jacking device 41 drops to the extreme limit of travel that it is moved downward, remove between jacking cross beam 42 and long connecting plate 43
Connection, then jacking cross beam 42 is installed again in the connecting hole 431 of jacking device 41, making jacking device 41 on long connecting plate 43
Jacking cross beam 42 and long connecting plate 43 are jacked up again.The structure passes through in the lesser situation of stroke range of jacking device 41
Installation site constantly between transformation jacking cross beam 42, long connecting plate 43 and supporting pin 44, enables main frame 60 to be jacked
To higher position.In addition, the wantonly one or two adjacent connecting hole 431 in order to obtain preferable jacking effect, on long connecting plate 43
Spacing be required to less than jacking device 41 stroke distance.
Four short connecting plate 45 is arranged in cabin 80, and every two end connecting plate is separately positioned on one long connecting plate 43
Two sides of the bottom, and be flexibly connected by round pin with the long connecting plate 43.
The combination hanging beam 5 of the main frame raising unit 2 is also disposed in cabin 80, above-mentioned four for being divided into two one group
Short connecting plate 45 is separately positioned on the two sides of combination hanging beam 5, and the flexible connection of hanging beam 5 is combined with this by round pin.Combine hanging beam 5
For a small-sized steel construction beam body, it is connected to the installation shackle 601 of main frame 60, makes main frame 60 and main frame raising
Connection relationship between unit 2 is more stable.And use four short connecting plate 45 will combination hanging beam 5 and two long connecting plate 43 it
Between pin joint together, make need remove or install combination hanging beam 5 and two long connecting plate 43 it is easier.And due to cabin 80
Interior space is smaller, this to divide the form for multiple sub-assemblies that be effectively reduced the installation top in cabin 80 jacking apparatus 4
Rise the difficulty of device 4.
Preferably, the jacking device 41 in main frame raising unit 2 can be made of multiple hydraulic cylinders.By at one
The multiple hydraulic cylinders placed side by side of setting, have effectively shared the top lift of main frame 60 in main frame raising unit 2.
And in the case where single hydraulic cylinder breaks down, jacking device 41 can still rely on remaining hydraulic cylinder by main frame
60 jack up.
As shown in figure 4, master of the two main frame raising units 2 of the main frame jack up unit 1 along main frame 60
Setting before and after axis direction, and the reinforcing beam 3 of two main frames 60 is integral.Two main frame raising units 2 are set respectively
It sets in the rear and front end of main frame 60, makes 60 stress balance of main frame, can steadily be sling.And by the way that two are reinforced
Beam 3 is integrated, and entire main frame jack up unit 1 can be made to be placed on a complete reinforcing beam 3, and this structure can be with
Effectively the gravity of main frame 60 is shared, makes 70 uniform force of deck in ship structure that reinforcing beam 3 is set, main frame is improved and rises
Rise the structural stability of device 1.
When as shown in Figure 1, Figure 4 and Figure 5, using the 1 raising main frame 60 of main frame jack up unit, first in cabin 80
It is placed on the floor reinforcing beam 3 in the deck in ship structure 70 on top, and reinforcing beam 3 is temporarily fixed in deck in ship structure 70 as needed,
And jacking device 41 is arranged on the support top surface 31 of reinforcing beam 3.
Each component in jacking apparatus 4 is transported into cabin 80 in the form of part, and combines completion.Jacking apparatus 4
The installation shackle 601 that lower part is connected to main frame 60 by combining hanging beam 5, makes the main frame jack up unit 1 and host machine
The connection of frame 60 is completed.
The connection for removing main frame 60 with host base (not shown) below later, is driven using jacking device 41
Dynamic jacking cross beam 42, long connecting plate 43 and coupled main frame 60 move upwards.
If when the upward stroke deficiency of jacking device 41, thus it is possible to vary two 44 installation sites of supporting pin make it be mounted on two
On a long connecting plate 43 in the connecting hole 431 of support beam.After the installation for completing supporting pin 44, control jacking device 41 is driven
Jacking cross beam 42 and long connecting plate 43 move downward a distance, and two supporting pins 44 can be resisted against the support top surface of reinforcing beam 3
On 31, make that jacking cross beam 42, long connecting plate 43 and coupled main frame 60 is supported no longer to move downward.It is controlling at this time
Jacking device 41 drops to its extreme limit of travel moved downward, removes the pin connection between jacking cross beam 42 and long connecting plate 43, will
Jacking cross beam 42 is installed on long connecting plate 43 in the connecting hole 431 of jacking device 41, makes jacking device 41 again will jacking cross
Beam 42 and long connecting plate 43 jack up.Above-mentioned operating procedure is repeated, can both be jacked main frame 60 to a higher height
Degree.
When main frame 60 rises to proper height, the host base of 60 lower section of main frame can will be located at (in figure
Be not shown) and crankshaft (not shown) level remove and send outer repairing, 60 holding position of main frame is constant during repairing.
After host base (not shown) and crankshaft (not shown) repair completion and send installation back to, pass through jacking
Device 41 drives jacking cross beam 42, long connecting plate 43 and coupled main frame 60 to move downward.
If when the descending stroke deficiency of jacking device 41, thus it is possible to vary two 44 installation sites of supporting pin make it be mounted on two
On a long connecting plate 43 in the connecting hole 431 of support beam.Later, control jacking device 41 drives jacking cross beam 42 and long company
Fishplate bar 43 moves downward a distance, and two supporting pins 44 can be resisted against on the support top surface 31 of reinforcing beam 3, keeps support jacking horizontal
Beam 42, long connecting plate 43 and coupled main frame 60 no longer move downward.Jacking cross beam 42 and long connection are removed at this time
Jacking cross beam 42 is installed on long connecting plate 43 from the farther away connecting hole 431 of jacking device 41 by the pin connection between plate 43.It drives
Dynamic device rises again, withstands jacking cross beam 42 and two supporting pins 44 is made to leave support top surface 31, remove two supporting pins at this time
44, continue the limit for dropping to stroke in control jacking device 41.Above-mentioned operating procedure is repeated, can both be made under main frame 60
It is down in host base (not shown).
After main frame 60 is put in place, remove main frame 60 with combine the connection between hanging beam 5, and will jacking dress
4 are set to be split into part form and transport out of cabin 80.Finally the reinforcing beam 3 being placed in deck in ship structure 70 is hung away, completion pair
The maintenance of marine main engine.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of main frame jack up unit, is used for raising main frame, which is characterized in that the main frame jack up unit
With main frame raising unit, the main frame raising unit includes:
Reinforcing beam, the reinforcing beam are set to the deck in ship structure above the main frame, and the reinforcing beam has support top surface；
Jacking apparatus, the jacking apparatus include jacking device, jacking cross beam and long connecting plate, and the jacking device is set to the branch
On support face, the jacking cross beam is set on the jacking device, and one end of the long connecting plate is connected to the jacking cross beam,
The other end of the long connecting plate is connected to the main frame, and the jacking device keeps the jacking cross beam and long connecting plate vertical
It moves up and down.
2. main frame jack up unit as described in claim 1, which is characterized in that the jacking apparatus includes two long connections
Plate, two long connecting plates are respectively arranged at the two sides of the jacking device.
3. main frame jack up unit as claimed in claim 2, which is characterized in that the surface of each long connecting plate is equal
With multiple connecting holes that the long connection plate thickness direction is set gradually and run through along the long connecting plate length direction, two
The long connecting plate is arranged in the reinforcing beam and jacking cross beam, the jacking cross beam along the direction perpendicular to the support top surface
It is removably connected to two long connecting plates；
The jacking apparatus further includes two supporting pins, each described supporting pin is set with the long connecting plate one-to-one correspondence
It sets, two supporting pins are removably connected to any connecting hole of the corresponding long connecting plate respectively, when the jacking
When device makes the jacking cross beam and long connecting plate vertical downward movement, the supporting pin is resisted against the support top surface.
4. main frame jack up unit as claimed in claim 3, which is characterized in that there are multiple square holes on the reinforcing beam,
Multiple square holes are arranged along the direction perpendicular to the support top surface, and multiple square holes and the long connecting plate correspond
Setting, the long connecting plate are slidedly arranged on the square hole；
And/or there are multiple square holes on the jacking cross beam, multiple square holes are set along the direction perpendicular to the support top surface
It sets, multiple square holes are arranged in a one-to-one correspondence with the long connecting plate, and the long connecting plate is slidedly arranged on the square hole.
5. main frame jack up unit as claimed in claim 3, which is characterized in that the jacking cross beam is detachable by round pin
It is connected to two long connecting plates.
6. main frame jack up unit as claimed in claim 2, which is characterized in that the jacking device is multiple hydraulic cylinders.
7. main frame jack up unit as claimed in claim 2, which is characterized in that each described main frame raising unit
It include combination hanging beam, the combination hanging beam is connected to the bottom of the jacking apparatus, and the combination hanging beam is for being connected to institute
State main frame.
8. main frame jack up unit as claimed in claim 7, which is characterized in that the jacking apparatus includes four short companies
Fishplate bar, short connecting plate described in every two are arranged in a one-to-one correspondence with the long connecting plate, and one end of the short connecting plate is set to simultaneously
The two sides of the bottom of the long connecting plate are movably connected on by round pin, the other end of the short connecting plate is set to and passes through round pin
It is movably connected on the top two sides of the combination hanging beam.
9. the main frame jack up unit as described in any one of claim 1 to 6, which is characterized in that the main frame
There are two main frame raising unit, main shaft of two main frame raising units along the main frame for jack up unit tool
Setting before and after direction.
10. main frame jack up unit as claimed in claim 9, which is characterized in that two main frame raising units
Reinforcing beam be integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453641.6A CN109132858A (en) | 2017-06-15 | 2017-06-15 | Main frame jack up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453641.6A CN109132858A (en) | 2017-06-15 | 2017-06-15 | Main frame jack up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109132858A true CN109132858A (en) | 2019-01-04 |
Family
ID=64830105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453641.6A Pending CN109132858A (en) | 2017-06-15 | 2017-06-15 | Main frame jack up unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109132858A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311819A (en) * | 1995-05-18 | 1996-11-26 | Tomoe Corp | Rotary construction method of bridge having high bridge pier |
| CN206188316U (en) * | 2016-11-24 | 2017-05-24 | 威海新特重工有限公司 | Multistage thick stick synchronous lifting gear |
| CN206970027U (en) * | 2017-06-15 | 2018-02-06 | 上海船厂船舶有限公司 | Main frame jack up unit |
-
2017
- 2017-06-15 CN CN201710453641.6A patent/CN109132858A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311819A (en) * | 1995-05-18 | 1996-11-26 | Tomoe Corp | Rotary construction method of bridge having high bridge pier |
| CN206188316U (en) * | 2016-11-24 | 2017-05-24 | 威海新特重工有限公司 | Multistage thick stick synchronous lifting gear |
| CN206970027U (en) * | 2017-06-15 | 2018-02-06 | 上海船厂船舶有限公司 | Main frame jack up unit |
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