CN110254662A - A kind of docking block shift unit and method - Google Patents
A kind of docking block shift unit and method Download PDFInfo
- Publication number
- CN110254662A CN110254662A CN201910568986.5A CN201910568986A CN110254662A CN 110254662 A CN110254662 A CN 110254662A CN 201910568986 A CN201910568986 A CN 201910568986A CN 110254662 A CN110254662 A CN 110254662A
- Authority
- CN
- China
- Prior art keywords
- docking block
- jacking
- cross bar
- shift unit
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
- B63C2005/025—Stagings, or scaffolding, i.e. constructions providing temporary working platforms on slipways, in building or repair docks, or inside hulls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention relates to shipbuilding technical field more particularly to a kind of docking block shift unit and methods.Docking block shift unit provided by the invention, is threaded through in the through-hole on docking block using cross bar, and cross bar is got up using jacking component together with docking block jacking then, the docking block jacked is finally moved to destination using walking component.Docking block shift unit provided in this embodiment, the operation for keeping operating personnel fast and convenient when moving docking block at the scene improve working efficiency, reduce labor intensity.Docking block displacement method provided by the invention, by applying above-mentioned docking block shift unit, the operation for keeping operating personnel fast and convenient when moving docking block at the scene improves working efficiency, reduces labor intensity.
Description
Technical field
The present invention relates to shipbuilding technical field more particularly to a kind of docking block shift unit and methods.
Background technique
During shipbuilding, it is to be located above docking block to carry into whole ship that dock, which carries segmentation, and dock docking block
Because carrying the safety of ship, applicability, economy etc. factor considers there is stringent requirement for height, for example, using depressed place
Pier height is 1400mm, in addition being laid with the height of block on docking block, dock basal plane is 1760mm apart from Outer Bottom Plating under normal circumstances
Highly.However 1760mm height limitation is not available the equipment such as truck crane, fork truck displacement docking block.About along with the single weight of docking block
Have a 4T, site operation personnel also can not direct labor carry hand push on the shoulder, therefore, can only realize depressed place using round log crow bar method by more people
The displacement of pier.In addition, in manually displacement docking block, paint caused by the scratching of safety cap and Outer Bottom Plating should be prevented damaged,
The paint caused when preventing crow bar too long with Outer Bottom Plating collision is damaged, to further increase work difficulty and work strong
Degree.
It would therefore be highly desirable to need a kind of docking block shift unit to solve the above problems.
Summary of the invention
It is another object of the present invention to provide a kind of docking block shift units, when operating personnel being made to move docking block at the scene
The fast and convenient operation of energy, improves working efficiency, reduces labor intensity.
It is an object of the present invention to provide a kind of docking block displacement methods to be made by applying above-mentioned docking block shift unit
The fast and convenient operation of energy, improves working efficiency when operating personnel moves docking block at the scene, reduces labor intensity.
To achieve the above object, the following technical schemes are provided:
A kind of docking block shift unit, including cross bar and jacking shift mechanism, the cross bar are configured as being threaded through on docking block
Through-hole in, two jacking mobile mechanisms be connected respectively with the both ends of the cross bar with by the docking block jacking move back
Position；The jacking shift mechanism includes:
Walking component, the idler wheel including pedestal and setting on the base；
Component is jacked, on the base, the jacking component includes jacking driver and jacking frame, the jacking for setting
Frame can be connected with the cross bar, and the jacking driver can drive the jacking frame to move along the vertical direction.
Further, the jacking shift mechanism further includes guidance set, and the guidance set includes the guiding matched
Set and guide post, on the base, another is arranged in institute a setting in the guide sleeve and the guide post two
It states on jacking frame.
Further, the jacking shift mechanism further includes locked component, and the locked component includes locking pin, the lock
Rationed marketing can be inserted in the guide post to stop the guide sleeve.
Further, the guide post setting on the base, is provided with lock hole, the locking in the guide post
Pin can be in lock hole described in partial insertion.
Further, the locked component further includes connection chain, and one end of the connection chain is connected with the jacking frame,
The other end is connected with the locking pin.
Further, the jacking shift mechanism further includes connecting rod, and mounting hole is provided on the connecting rod, and the connecting rod is logical
Cross the end that the mounting hole is set in the guide post.
Further, snap-gauge and card slot are provided on the jacking frame, the cross bar can be accommodated in the card slot, institute
Snap-gauge is stated for the cross bar to be locked in the card slot.
Further, support plate is provided on the jacking frame, two support plate intervals are arranged to form the card
Slot, a support plate pivot joint in the snap-gauge and two support plates simultaneously being capable of mutually lockings；Or the snap-gauge with
A support plate pivot joint in two support plates, and can be with support plate mutually locking described in another.
A kind of docking block displacement method, the displacement of docking block is realized using docking block shift unit, and the docking block shift unit includes
Cross bar and jacking shift mechanism, the jacking group for jacking shift mechanism and including walking component and being arranged on the walking component
Part, the docking block displacement method include the following steps:
Step a, two jacking shift mechanisms are separately positioned on to the two sides of the docking block, the cross bar is threaded through
In through-hole on the docking block；
Step b, the cross bar is locked using the jacking component, and the cross bar is jacked together with the docking block
Come；
Step c, destination is moved to using the docking block that the walking component will jack.
Further, after step c, further includes:
Step d, the docking block is down on ground using the jacking component；
Step e, it unlocks the cross bar and extracts the cross bar out, then remove the jacking shift mechanism.
Compared with prior art, the invention has the benefit that
Docking block shift unit provided by the invention, is threaded through in the through-hole on docking block using cross bar, then utilizes jacking group
Part gets up cross bar together with docking block jacking, and the docking block jacked is finally moved to destination using walking component.This implementation
The docking block shift unit that example provides, the operation for keeping operating personnel fast and convenient when moving docking block at the scene improve working efficiency,
Reduce labor intensity.
Docking block displacement method provided by the invention moves operating personnel at the scene by applying above-mentioned docking block shift unit
Energy fast and convenient operation when dynamic docking block, improves working efficiency, reduces labor intensity.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of docking block shift unit provided by the invention；
Schematic diagram when Fig. 2 is the jacking docking block provided by the invention using docking block shift unit；
Schematic diagram when Fig. 3 is the displacement docking block provided by the invention using docking block shift unit；
Fig. 4 is the front view of pedestal provided by the invention；
Fig. 5 is the top view of pedestal provided by the invention；
Fig. 6 is the enlarged drawing in Fig. 3 at A；
Fig. 7 is the front view of jacking frame provided by the invention；
Fig. 8 is the top view of jacking frame provided by the invention；
Fig. 9 is the side view of jacking frame provided by the invention；
Figure 10 is the front view of cross bar provided by the invention.
Appended drawing reference:
100- docking block；
1- cross bar；11- locked groove；12- baffle；
2- walking component；21- pedestal；22- idler wheel；23- guide post；231- limit plate；24- fixed plate；
3- jacks component；31- jacks driver；32- jacking frame；321- guide sleeve；33- snap-gauge；34- support plate；341-
Card slot；
4- locking pin；
5- connection chain；
6- connecting rod.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and by specific
Embodiment to further illustrate the technical scheme of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
As shown in Figure 1-3, a kind of docking block shift unit is present embodiments provided, including cross bar 1 and jacking shift mechanism, it is horizontal
Bar 1 is configured as in the through-hole being threaded through on docking block 100, two jacking mobile mechanisms be connected respectively with the both ends of cross bar 1 with
Docking block 100 is jacked into backward shift.Jacking shift mechanism includes walking component 2 and jacking component 3, and walking component 2 includes pedestal 21
With the idler wheel 22 being arranged on pedestal 21；It jacks component 3 to be arranged on pedestal 21, jacking component 3 includes jacking 31 He of driver
Jacking frame 32, jacking frame 32 can be connected with cross bar 1, and jacking driver 31 can drive jacking frame 32 to move along the vertical direction
It is dynamic.
Docking block shift unit provided in this embodiment is threaded through in the through-hole on docking block 100 using cross bar 1, is then utilized
It jacks component 3 and cross bar 1 gets up together with the jacking of docking block 100, finally moved the docking block 100 jacked using walking component 2
To destination.Docking block shift unit provided in this embodiment keeps operating personnel fast and convenient when moving docking block 100 at the scene
Operation improves working efficiency, reduces labor intensity.
Preferably, idler wheel 22 is universal wheel, to improve the flexibility of walking component 2.
Optionally, jacking driver 31 is jack, and lightly firm, flexibility and reliability, a people can carry jack structure
And operation, it is operated convenient for operating personnel.
Preferably, jacking shift mechanism further includes guidance set, and guidance set includes guide sleeve 321 and guide post 23, is led
It is arranged on pedestal 21 to column 23, guide sleeve 321 is arranged on jacking frame 32, to guarantee jacking frame 32 in process of rising or falling
Middle movement is steady.In other embodiments, guide post 23 can also be arranged on jacking frame 32, and guide sleeve 321 is arranged in pedestal
On 21, also reach said effect.
Optionally, pedestal 21 is welding sub-assembly, is specially welded by multiple steel plates, to enhance the structure of pedestal 21
Intensity and anti-pressure ability.
Preferably, as illustrated in figures 4-5, pedestal 21 includes welding the rectangular frame formed, Yi Ji by four rectangular steel pipes
The fixed plate 24 of the middle position setting of frame, fixed plate 24 is for placing jacking driver 31.Illustratively, fixed plate 24 is
Steel plate, fixed plate 24 are fixedly connected by welding with frame.
Optionally, jacking shift mechanism further includes connecting rod 6, and mounting hole is provided on connecting rod 6, and connecting rod 6 passes through mounting hole set
It is located at the end of guide post 23, to prevent jacking driver 31 from jacking frame 32 is ejected guide post 23, or prevents from artificially arbitrarily tearing open
Unload jacking frame 32.
Preferably, connecting rod 6 is U-shaped, and the both ends of connecting rod 6 are provided with mounting hole, and the both ends of a connecting rod 6 are separately connected one
A guide post 23.
Optionally, four guide posts 23 are in rectangular layout on pedestal 21, and guide post 23 is with pedestal 21 by being welded and fixed
Connection, to enhance the structural strength of guide post 23.Correspondingly, four guide parts are arranged in the main body of jacking frame 32, and are oriented to
Portion's setting corresponding with the guide post 23 on pedestal 21, so that guide part can be set in guide post 23 by guide sleeve 321.
Preferably, guide post 23 is column seamless steel pipe, and the cross-sectional shape of guide post 23 is circle.
Illustratively, four guide posts 23 are welded on four angles of the frame of pedestal 21.
In order to prevent when removing jacking driver 31, jacking frame 32 is slid to pedestal 21, is arranged in guide post 23
There is limit plate 231, to stop the guide sleeve 321 on jacking frame 32, prevents jacking frame 32 from sliding to pedestal 21.
Illustratively, limit plate 231 is doughnut-shaped steel plate, and limit plate 231 is set in guide post 23, passes through welding and guiding
Column 23 is fixedly connected.
Optionally, as shown in fig. 6, jacking shift mechanism further includes locked component, locked component includes locking pin 4, locking
Pin 4 can be inserted in stop guide sleeve 321 in guide post 23, to prevent jacking frame 32 from sliding.
Illustratively, it is provided with lock hole in guide post 23, locking pin 4 can be in partial insertion lock hole.Specifically,
After locking pin 4 is inserted into lock hole, the both ends of locking pin 4 are located at the outside of lock hole, so as to stop jacking frame 32 along guiding
Column 23 slides.
Further, lock hole is located at the top of limit plate 231.Illustratively, distance of the lock hole apart from limit plate 231
For 120mm.
Optionally, the quantity of lock hole is multiple, and multiple lock holes are arranged along the extending direction of guide post 23, with reality
Limitation jacking frame 32 slides on present different height.Illustratively, the diameter of lock hole is 16mm.
Preferably, locked component further includes connection chain 5, and one end of connection chain 5 is connected with jacking frame 32, the other end and lock
Rationed marketing 4 is connected, to prevent locking pin 4 from losing, meanwhile, look for locking pin 4 at any time convenient for staff to lock jacking frame 32.
Illustratively, connection chain 5 is chain.
Optionally, as Figure 7-9, jacking frame 32 is welding sub-assembly, is specially welded by multiple steel plates, to increase
The structural strength and anti-pressure ability of strong jacking frame 32.
Preferably, jacking frame 32 includes the main body being fixedly connected and guide part, main body are H profile steel, and guide part passes through steel plate
It is welded as a whole with main body, guide sleeve 321 is provided on guide part.
In other embodiments, in snap-gauge 33 and two support plates 34 a support plate 34 pivot joint, and can with it is another
A 34 mutually locking of support plate, can also reach said effect.
Optionally, snap-gauge 33 and card slot 341 are provided on jacking frame 32, cross bar 1 can be accommodated in card slot 341, snap-gauge
33, for cross bar 1 to be locked in card slot 341, with fixed transverse rod 1, guarantee that cross bar 1 is not altered during jacking docking block 100
It is dynamic.
Specifically, being provided with support plate 34 on jacking frame 32, two intervals of support plate 34 are arranged to form card slot 341,
A support plate 34 in snap-gauge 33 and two support plates 34 is pivotally connected and being capable of mutually locking.Illustratively, snap-gauge 33 and support
Plate 34 is pivotally connected by bolt, and is locked by nut.When cross bar 1 is located in card slot 341, snap-gauge 33 is turned into locking
Cross bar 1, then tightening nut.
Preferably, as shown in Figure 10, one end of cross bar 1 is provided with locked groove 11, after cross bar 1 is located in card slot 341, snap-gauge
33 are fastened in the locked groove 11 of cross bar 1 with fixed transverse rod 1.The other end of cross bar 1 is provided with baffle 12, and baffle 12 can be with jacking
Frame 32 abuts against, to prevent cross bar 1 mobile.
Illustratively, in the present embodiment, two card slots 341, i.e. jacking frame 32 are respectively set at the both ends of jacking frame 32
Each two support plates 34 in both ends, with adapt to support there are two through-hole docking block 100.Correspondingly, two cross bars 1 are threaded through docking block
In 100 two through-holes, the both ends of two cross bars 1 are locked by snap-gauge 33 respectively.
The present embodiment additionally provides a kind of docking block displacement method, and the shifting of docking block 100 is realized using above-mentioned docking block shift unit
Position, 100 displacement method of docking block include the following steps:
Step a, two jacking shift mechanisms are separately positioned on to the two sides of docking block 100, cross bar 1 is threaded through docking block 100
On through-hole in；
Step b, cross bar 1 is locked using jacking component 3, and cross bar 1 is got up together with the jacking of docking block 100；
Step c, the docking block 100 jacked is moved into destination using walking component 2.
Further, after step c, further includes:
Step d, docking block 100 is down on ground using jacking component 3；
Step e, it unlocks cross bar 1 and extracts cross bar 1 out, then remove jacking shift mechanism.
Docking block displacement method provided in this embodiment makes operating personnel at the scene by applying above-mentioned docking block shift unit
Energy fast and convenient operation when mobile docking block 100, improves working efficiency, reduces labor intensity.
Illustratively, in stepb, jacking frame 32 is slowly risen using jacking driver 31 along guide post 23, is pushed up
Play 100 height 85mm of docking block.
Preferably, in step c, respectively there are an operating personnel in the two sides of docking block 100 while helping docking block 100, then push up
The connecting rod 6 for rising shift mechanism is mobile.
Preferably, after step b, before step c, further includes: locking pin 4 is inserted into the locking in guide post 23
Hole, to play safety effect, jacking frame 32 is slid after preventing jacking driver 31 from failing.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments mentioned here, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of docking block shift unit, which is characterized in that including cross bar (1) and jacking shift mechanism, the cross bar (1) is configured
For in the through-hole that is threaded through on docking block (100), two jacking shift mechanisms are connected with the both ends of the cross bar (1) respectively
The docking block (100) are jacked backward shift；The jacking shift mechanism includes:
It walks component (2), including pedestal (21) and the idler wheel (22) being arranged on the pedestal (21)；
It jacks component (3), is arranged on the pedestal (21), the jacking component (3) includes jacking driver (31) and jacks
Frame (32), the jacking frame (32) can be connected with the cross bar (1), and the jacking driver (31) can drive the top
Frame (32) are risen to move along the vertical direction.
2. docking block shift unit according to claim 1, which is characterized in that the jacking shift mechanism further includes guiding group
Part, the guidance set include the guide sleeve (321) matched and guide post (23), the guide sleeve (321) and the guiding
One in (23) two, column is arranged on the pedestal (21), another is arranged on the jacking frame (32).
3. docking block shift unit according to claim 2, which is characterized in that the jacking shift mechanism further includes locking group
Part, the locked component include locking pin (4), and the locking pin (4) can be inserted on the guide post (23) described in blocking
Guide sleeve (321).
4. docking block shift unit according to claim 3, which is characterized in that the guide post (23) is arranged in the pedestal
(21) on, it is provided with lock hole on the guide post (23), the locking pin (4) can be in lock hole described in partial insertion.
5. docking block shift unit according to claim 4, which is characterized in that the locked component further includes connection chain (5),
One end of the connection chain (5) is connected with the jacking frame (32), and the other end is connected with the locking pin (4).
6. docking block shift unit according to claim 5, which is characterized in that the jacking shift mechanism further includes connecting rod
(6), mounting hole is provided on the connecting rod (6), the connecting rod (6) is set in the guide post (23) by the mounting hole
End.
7. docking block shift unit according to claim 1-6, which is characterized in that be arranged on the jacking frame (32)
There are snap-gauge (33) and card slot (341), the cross bar (1) can be accommodated in the card slot (341), and the snap-gauge (33) is used for will
The cross bar (1) is locked in the card slot (341).
8. docking block shift unit according to claim 7, which is characterized in that be provided with support plate on the jacking frame (32)
(34), the snap-gauge (33) and two supports to be formed the card slot (341) are arranged in two support plate (34) intervals
A support plate (34) in plate (34) is pivotally connected and being capable of mutually locking；Or the snap-gauge (33) and two support plates
(34) support plate (34) pivot joint in, and can be with support plate described in another (34) mutually locking.
9. a kind of docking block displacement method, which is characterized in that realize the displacement of docking block (100), the depressed place using docking block shift unit
Pier shift unit includes cross bar (1) and jacking shift mechanism, and the jacking shift mechanism includes walking component (2) and is arranged in institute
The jacking component (3) in walking component (2) is stated, docking block (100) displacement method includes the following steps:
Step a, two jacking shift mechanisms are separately positioned on to the two sides of the docking block (100), the cross bar (1) is worn
It is located in the through-hole on the docking block (100)；
Step b, the cross bar (1) is locked using the jacking component (3), and by the cross bar (1) together with the docking block
(100) jacking is got up；
Step c, destination is moved to using the docking block (100) that walking component (2) will jack.
10. docking block displacement method according to claim 9, which is characterized in that after step c, further includes:
Step d, the docking block (100) is down on ground using the jacking component (3)；
Step e, it unlocks the cross bar (1) and extracts the cross bar (1) out, then remove the jacking shift mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568986.5A CN110254662A (en) | 2019-06-27 | 2019-06-27 | A kind of docking block shift unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568986.5A CN110254662A (en) | 2019-06-27 | 2019-06-27 | A kind of docking block shift unit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110254662A true CN110254662A (en) | 2019-09-20 |
Family
ID=67922445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910568986.5A Pending CN110254662A (en) | 2019-06-27 | 2019-06-27 | A kind of docking block shift unit and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110254662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249134A (en) * | 2020-10-28 | 2021-01-22 | 上海外高桥造船有限公司 | Special jack-up transportation shallow of 1.8 meters frock |
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| SU532549A1 (en) * | 1975-09-29 | 1976-10-25 | Предприятие П/Я А-3907 | Keelblock beam |
| CN202046430U (en) * | 2010-12-07 | 2011-11-23 | 上海江南长兴造船有限责任公司 | Dock pier trailer |
| CN102774480A (en) * | 2011-05-10 | 2012-11-14 | 上海液力液压机电制造有限公司 | Novel hydraulic docking block carrying trolley |
| CN205131595U (en) * | 2015-11-13 | 2016-04-06 | 台州市园山船务工程有限公司 | Docking block |
| CN107939064A (en) * | 2017-12-26 | 2018-04-20 | 上海建工四建集团有限公司 | The shift unit and displacement method of a kind of existing building |
| CN108639274A (en) * | 2018-06-22 | 2018-10-12 | 江南造船(集团)有限责任公司 | Guide rail rack supporting device and guide rail bracket installation method |
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- 2019-06-27 CN CN201910568986.5A patent/CN110254662A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU532549A1 (en) * | 1975-09-29 | 1976-10-25 | Предприятие П/Я А-3907 | Keelblock beam |
| CN202046430U (en) * | 2010-12-07 | 2011-11-23 | 上海江南长兴造船有限责任公司 | Dock pier trailer |
| CN102774480A (en) * | 2011-05-10 | 2012-11-14 | 上海液力液压机电制造有限公司 | Novel hydraulic docking block carrying trolley |
| CN205131595U (en) * | 2015-11-13 | 2016-04-06 | 台州市园山船务工程有限公司 | Docking block |
| CN107939064A (en) * | 2017-12-26 | 2018-04-20 | 上海建工四建集团有限公司 | The shift unit and displacement method of a kind of existing building |
| CN108639274A (en) * | 2018-06-22 | 2018-10-12 | 江南造船(集团)有限责任公司 | Guide rail rack supporting device and guide rail bracket installation method |
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| CN112249134A (en) * | 2020-10-28 | 2021-01-22 | 上海外高桥造船有限公司 | Special jack-up transportation shallow of 1.8 meters frock |
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Application publication date: 20190920 |
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