CN108100925B - A kind of seawater semi-submerged ship Hydraulic for lifting load method - Google Patents
A kind of seawater semi-submerged ship Hydraulic for lifting load method Download PDFInfo
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- CN108100925B CN108100925B CN201711375597.8A CN201711375597A CN108100925B CN 108100925 B CN108100925 B CN 108100925B CN 201711375597 A CN201711375597 A CN 201711375597A CN 108100925 B CN108100925 B CN 108100925B
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- Prior art keywords
- hydraulic
- jack
- pipeline
- semi
- submerged ship
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
- B66F3/28—Adaptations or arrangements of pistons telescopic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention discloses a kind of seawater semi-submerged ship Hydraulic for lifting load methods, operate according to the following steps: (1) building the parallel jack base of at least two column on semi-submerged ship platform, more hydraulic jacks are installed on pedestal；(2) construction is shut with pipeline bottom end or both ends, be then transported on the platform of semi-submerged ship by transport vehicle and be parked between at least two column pedestals；(3) hydraulic jack on pedestal is risen, pipeline is lifted away from transport vehicle, so that transport vehicle can sail out of below pipeline；(4) drive away and fall hydraulic jack after rise after transport vehicle, so that pipeline is fallen on semi-submerged ship platform；(5) after fixing pipeline, semi-submerged ship is driven towards at subaqueous work；Due to buoyancy, pipeline will float on the surface, and semi-submerged ship platform then can dive to the water surface hereinafter, to being separated with pipeline；(6) pipeline, which leaves, carries out next step construction, and semi-submerged ship is sailed back.Hydraulic for lifting load method and apparatus according to the present invention are good to pipeline adaptability, and high-efficient, stability is strong.
Description
Technical field
The present invention relates to a kind of hoisting method, especially a kind of seawater semi-submerged ship Hydraulic for lifting load method.
Background technique
There is presently no a kind of hoisting methods specifically for Ship Transportation large-scale cement pipe design partly latent, and use common
Hydraulic jack lifting is disadvantageous in that: more hydraulic jack cooperations are bad, and jack and pipeline sliding easily occur now
As faults frequent, jack corrodes when using for a long time.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of seawater semi-submerged ship Hydraulic for lifting load methods, should
Method is good to pipeline adaptability, high-efficient, and stability is strong.
A kind of seawater semi-submerged ship Hydraulic for lifting load method according to the present invention operates according to the following steps:
(1) the parallel jack base of at least two column is built on semi-submerged ship platform, and more hydraulic thousand are installed on pedestal
Jin top, hydraulic jack and pedestal are closely linked；Semi-submerged ship is the ship for capableing of dive；
(2) construction is shut with pipeline bottom end or both ends, be then transported on the platform of semi-submerged ship by transport vehicle and be parked in
Between few two column pedestals；Pipeline is internal after shutting to form big cavity, is full of air in cavity；
(3) hydraulic jack on pedestal is risen, pipeline is lifted away from transport vehicle, so that transport vehicle can be sailed below pipeline
From；
(4) drive away and fall hydraulic jack after rise after transport vehicle, so that pipeline is fallen on semi-submerged ship platform；
(5) after fixing pipeline, semi-submerged ship is driven towards at subaqueous work；Due to buoyancy, pipeline will float on the surface, and
Semi-submerged ship platform then can dive to the water surface hereinafter, to being separated with pipeline；
(6) pipeline, which leaves, carries out next step construction, and semi-submerged ship is sailed back.
Under concrete condition, wherein hydraulic jack has anti-skid contact surface.It is considerably increased by surface pattern and coating
With the frictional resistance of pipeline.
Under preferable case, wherein hydraulic jack has grating rule displacement sensor.By the device, can be accurately controlled
The height of jack lifting.
Under preferable case, wherein hydraulic jack has seawater corrosion prevention coating.The corrosion-inhibiting coating by epoxy resin basal layer,
Glass fibre unsaturated polyester (UP) enhancement layer and phenolic resin surface layer are constituted, due to semi-submerged ship need to slip at work the water surface with
Under, therefore jack is also required to impregnate in the seawater.The corrosion-inhibiting coating can protect jack from seawater corrosion.
Under preferable case, hydraulic jack has load self-reacting device.So as to steadily support loads.
According to another aspect of the present invention, a kind of seawater semi-submerged ship is also provided, is provided on the platform of the seawater semi-submerged ship
Hydraulic jack and transport vehicle track in the above method.
Hydraulic for lifting load method and apparatus according to the present invention are good to pipeline adaptability, and high-efficient, stability is strong.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of seawater semi-submerged ship Hydraulic for lifting load method of the present invention.
Fig. 2 is the stereoscopic schematic diagram of hydraulic jack of the invention.
Fig. 3 is another stereoscopic schematic diagram of hydraulic jack of the invention.
Fig. 4 is the schematic cross-sectional view of hydraulic jack of the invention.
Specific embodiment
Invention will be further explained below with reference to the drawings and examples..It will be appreciated by those skilled in the art that being described below
Embodiment be only that any restrictions are made not for it to exemplary illustration of the invention.
Referring to Fig. 1, specific step is as follows for seawater semi-submerged ship Hydraulic for lifting load method of the invention:
(1) at least two parallel jack bases 2 of column are built on semi-submerged ship platform 1, installed on pedestal 2 more it is hydraulic
Jack 3, hydraulic jack 3 are connected with pedestal 2 by bolt；Semi-submerged ship is the ship for capableing of dive in the seawater.
The specific aligning method of jack can be according to the different aligning method of weight.Embodiment shown in figure
In, three column jack bases 2 are provided with, a transport vehicle track 5 is set between every two column jack base 2.Each column jack
Three groups of jack are installed, every group of jack contains 3-4 jack 3, and every group of jack shares a hydraulic control system on pedestal 2
System 4.
Each jack is provided with apart from inductive probe and oil circuit solenoid valve, all logical apart from inductive probe and oil circuit solenoid valve
Signal wire is crossed to connect with hydraulic control system 4.By being perceived apart from inductive probe at a distance from the load of top, then by signal
It is transferred to hydraulic control system 4, hydraulic control system 4 retransmits instruction oil supply way solenoid valve.When in load and one group of jack
Some or certain very heavy top contacts when, other jack answer the distance between probe detection and load bottom by distance perception,
If the distance of detection is less than the range of jack, oil circuit solenoid valve is opened, hoisting piston plays the role of lifting；If
The distance of detection is greater than the maximum of jack and is formed, then closes oil circuit solenoid valve, do not serve and lift.To thousand in each column
Jin can form 3 V-shapes or concave arc shape low between the senior middle school of both ends when withstanding on lifting and lift mode, pipe arc-shaped for lifting
The special role that road class load has lifting stable.
(2) construction is shut with pipeline bottom end or both ends, is then transported to by transport vehicle (coaster) through transport vehicle track 5 partly latent
On ship platform 1 and it is parked between at least two column pedestals 2；Big cavity is formed inside pipeline, is full of air in cavity.Pipeline is used in construction
It starts shipment, then bottom need to only be shut, such as marine pile if it is vertical.Construction is started shipment with pipeline if it is horizontal type, then need by
It shuts at both ends.Construction pipeline such as fruit volume is larger, then can be transported in parallel by two or more transport vehicles.
(3) hydraulic jack 3 on pedestal 2 is risen, pipeline is lifted away from transport vehicle, so that transport vehicle can be below pipeline
It sails out of.
(4) drive away and fall hydraulic jack 3 after rise after transport vehicle, so that pipeline is fallen on semi-submerged ship platform 1.
(5) after fixing pipeline, semi-submerged ship is driven towards at subaqueous work；Due to buoyancy, pipeline will float on the surface, and
Semi-submerged ship platform 1 then can dive to the water surface hereinafter, to being separated with pipeline.
(6) pipeline, which leaves, carries out next step construction, and semi-submerged ship is sailed back.
Fig. 2 shows the overall schematic of the hydraulic jack 3 used in the above method of the present invention, hydraulic jack 3 by
Hydraulic cylinder 10, load end face 70 and multi-faceted load Adaptable System composition.Hydraulic cylinder 10 is used to provide to load end face 70
Hydraulic pressure support power, load end face 70 are located at the top of hydraulic cylinder 10, and are used to support load.Multi-faceted load Adaptable System
Including the adaptive rotatable parts 40 in end face and piston guide ring 30.The adaptive rotatable parts 40 in end face and piston guide ring 30 are located at
The top of hydraulic cylinder 10 is used to support loads end face 70.Load end face 70 have anti-skid contact surface 71, by surface pattern with
Coating considerably increases the frictional resistance with pipeline.
Fig. 3 is that hydraulic jack shown in Figure 2 removes the structural schematic diagram behind load end face, the adaptive rotation section in end face
Part 40 includes ball 41 and the supporting rod 42 above ball 41, which is threadedly coupled load end face 70, circle
Ball 41 is located in the semicircular cavities on 10 top of hydraulic cylinder.Piston guide ring 30 is socketed in end face by centre bore and adaptively turns
On dynamic component 40, four 90 degree of hydraulic pressure support bars 31 each other are provided on 30 upper surface of piston guide ring.Piston guide ring 30
Periphery below uniform intervals certain angle be provided with multiple guide ring oil cylinders 20.
Further, as shown in Fig. 2, hydraulic cylinder 10 passes through hydraulic cylinder oil inlet pipe 11 and hydraulic cylinder flowline 12 and hydraulic control
System 4 processed is connected, to provide hydraulic coupling to hydraulic cylinder 10.Guide ring oil cylinder 20 passes through guide ring oil cylinder oil inlet pipe 21 and guiding
Ring oil cylinder flowline 22 is connected with hydraulic control system 4, to provide hydraulic coupling to guide ring oil cylinder 20.
In actual operation, the adaptive rotatable parts 40 in end face can make slightly rotation according to the direction of load and adjust, and make
70 vertical load direction of load end face, hydraulic oil enter hydraulic cylinder 10 by hydraulic cylinder oil inlet pipe 11, provide load end face 70
Support force, when needing to close load adaptation function, hydraulic oil makes hydraulic pressure support bar 31 by guide ring oil cylinder oil inlet pipe 21
Rise, to limit the inclination of load end face 70.
Four hydraulic pressure support bars 31 can support load end face 70 in hydraulic state, reach the effect for closing load adaptation function
Fruit.In non-hydraulic state, four hydraulic pressure support bars 31 can be slightly below load end face 70, reach the effect for opening load adaptation function
Fruit, and when the adaptive rotation of rotatable parts 40 in end face reaches threshold value, hydraulic pressure support bar 31 can be to the support of end face one
Effect, limit excessive rotation.
Hydraulic jack in the present invention is further preferably provided with grating rule displacement sensor, referring specifically to Fig. 4.In the implementation
In example, hydraulic jack includes cylinder body 13, main shaft 14, piston 50, hydraulic cylinder oil inlet pipe 11, grating rule displacement sensor and control
Device (not specifically illustrated) processed.
In addition, being also provided with waterproof grommet 16 between cylinder body 13 and main shaft 14.Waterproof grommet 16 can be two
A Glais ring is simultaneously bonded with 14 outer surface of main shaft with 13 inner surface of cylinder body.Being additionally provided with copper ring 19 in 13 lower part of cylinder body, (the two can
To be welded together using high standard copper material).Bottom sealing ring 18 is also provided between main shaft 14 and copper ring 19.Bottom is close
Seal 18 can be sealed for axis with this spy.
Grating rule displacement sensor includes guide rail 65, sliding panel 64 and reader 61.Guide rail 65 is fixed by fixing seat 62
On the outer wall of cylinder body 13.
In actual operation, the reading that controller is fed back according to the reader 61 of grating rule displacement sensor, control are logical
The oil mass of oil inlet pipe 11 and the inner through hole into main shaft 14 is crossed, to control the height that piston 50 stretches out cylinder body 13 upwards.
In a preferred embodiment of the invention, wherein divide on the cylinder body 13 of hydraulic jack and the outer surface of load end face 70
Not Tu Fuyou composite coating, composite coating is by epoxy resin basal layer, glass fibre unsaturated polyester (UP) enhancement layer and phenolic aldehyde tree
Rouge surface layer is constituted.The composite coating can effectively resist the corrosion of seawater.
Claims (5)
1. a kind of seawater semi-submerged ship Hydraulic for lifting load method operates according to the following steps:
(1) the parallel jack base of at least two column is built on semi-submerged ship platform, and more hydraulic jacks are installed on pedestal,
Hydraulic jack and pedestal are closely linked；Semi-submerged ship is the ship for capableing of dive；
Three column jack bases are set, a transport vehicle track, each column jack base are set between every two column jack base
Three groups of jack of upper installation, every group of jack contain 3-4 jack, and every group of jack shares a hydraulic control system；
Each jack is provided with apart from inductive probe and oil circuit solenoid valve, all passes through letter apart from inductive probe and oil circuit solenoid valve
Number line is connect with hydraulic control system；By being perceived apart from inductive probe at a distance from the load of top, then signal is transmitted
To hydraulic control system, hydraulic control system retransmits instruction oil supply way solenoid valve；When load and some in one group of jack
Or when certain very heavy top contacts, other jack answer the distance between probe detection and load bottom by distance perception, if visited
The distance of survey is less than the range of jack, then opens oil circuit solenoid valve, hoisting piston plays the role of lifting；If detection
Distance is greater than the range of jack, then closes oil circuit solenoid valve, do not serve and lift；
(2) construction is shut with pipeline bottom end or both ends, be then transported on the platform of semi-submerged ship by transport vehicle and be parked at least two
Between column pedestal；Big cavity is formed inside pipeline, is full of air in cavity；
(3) hydraulic jack on pedestal is risen, pipeline is lifted away from transport vehicle, so that transport vehicle can sail out of below pipeline；
(4) drive away and fall hydraulic jack after rise after transport vehicle, so that pipeline is fallen on semi-submerged ship platform；
(5) after fixing pipeline, semi-submerged ship is driven towards at subaqueous work；Due to buoyancy, pipeline will float on the surface, and partly latent
Ship platform then can dive to the water surface hereinafter, to being separated with pipeline；
(6) pipeline, which leaves, carries out next step construction, and semi-submerged ship is sailed back.
2. seawater semi-submerged ship Hydraulic for lifting load method according to claim 1, wherein hydraulic jack has anti-skid contact surface.
3. seawater semi-submerged ship Hydraulic for lifting load method according to claim 1, wherein hydraulic jack is displaced with grating scale
Sensor, grating rule displacement sensor include guide rail, sliding panel and reader；Guide rail is fixed on hydraulic jack by fixing seat
On the outer wall of cylinder body, sliding panel is provided with grating scale, is fixed together by connecting rod and hydraulic jack piston, and in piston
Drive under opposite rail slide up and down, reader is fixed together with guide rail, for read sliding panel relative to guide rail above and below
Mobile or sliding distance.
4. seawater semi-submerged ship Hydraulic for lifting load method according to claim 1, wherein hydraulic jack is applied with seawater corrosion prevention
Layer.
5. seawater semi-submerged ship Hydraulic for lifting load method according to claim 1, hydraulic jack has load self-reacting device,
The load self-reacting device includes the adaptive rotatable parts in end face and piston guide ring, and the adaptive rotatable parts in end face and piston are led
It is located at the top of hydraulic cylinder to ring, is used to support loads end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711375597.8A CN108100925B (en) | 2017-12-19 | 2017-12-19 | A kind of seawater semi-submerged ship Hydraulic for lifting load method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711375597.8A CN108100925B (en) | 2017-12-19 | 2017-12-19 | A kind of seawater semi-submerged ship Hydraulic for lifting load method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108100925A CN108100925A (en) | 2018-06-01 |
| CN108100925B true CN108100925B (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711375597.8A Active CN108100925B (en) | 2017-12-19 | 2017-12-19 | A kind of seawater semi-submerged ship Hydraulic for lifting load method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693509A (en) * | 2009-10-20 | 2010-04-14 | 中国第一重型机械股份公司 | Large tonnage reactor truck loading jacking technique |
| CN103572837A (en) * | 2012-07-30 | 2014-02-12 | 上海天演建筑物移位工程有限公司 | Building jacking system and jacking method |
| CN103663248A (en) * | 2013-12-17 | 2014-03-26 | 徐州工业职业技术学院 | Self-adaptive angle adjustment separating type horizontal jack |
| CN104071726A (en) * | 2014-07-14 | 2014-10-01 | 上海海事大学 | Intelligent wharf hydraulic type container receiving and transporting platform and method |
| CN205114932U (en) * | 2015-07-09 | 2016-03-30 | 四川泸州派克斯液压机械有限公司 | Do benefit to jack structure in cylinder and piston ring life -span |
-
2017
- 2017-12-19 CN CN201711375597.8A patent/CN108100925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693509A (en) * | 2009-10-20 | 2010-04-14 | 中国第一重型机械股份公司 | Large tonnage reactor truck loading jacking technique |
| CN103572837A (en) * | 2012-07-30 | 2014-02-12 | 上海天演建筑物移位工程有限公司 | Building jacking system and jacking method |
| CN103663248A (en) * | 2013-12-17 | 2014-03-26 | 徐州工业职业技术学院 | Self-adaptive angle adjustment separating type horizontal jack |
| CN104071726A (en) * | 2014-07-14 | 2014-10-01 | 上海海事大学 | Intelligent wharf hydraulic type container receiving and transporting platform and method |
| CN205114932U (en) * | 2015-07-09 | 2016-03-30 | 四川泸州派克斯液压机械有限公司 | Do benefit to jack structure in cylinder and piston ring life -span |
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| Publication number | Publication date |
|---|---|
| CN108100925A (en) | 2018-06-01 |
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Effective date of registration: 20180911 Address after: 200437 room 911, 278 wunshui East Road, Hongkou District, Shanghai. Applicant after: Shanghai Hydra Machine Manufacturing Co., Ltd. Applicant after: University of Shanghai for Science and Technology Address before: 201306 2, building 979, Yun Han Road, mud town, Pudong New Area, Shanghai Applicant before: Ho Wei hydraulic technology (Shanghai) Co., Ltd. Applicant before: University of Shanghai for Science and Technology |
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