CN106644543A - Static load simulation detection method for offshore platform hydraulic lifting mechanisms - Google Patents
Static load simulation detection method for offshore platform hydraulic lifting mechanisms Download PDFInfo
- Publication number
- CN106644543A CN106644543A CN201611192074.5A CN201611192074A CN106644543A CN 106644543 A CN106644543 A CN 106644543A CN 201611192074 A CN201611192074 A CN 201611192074A CN 106644543 A CN106644543 A CN 106644543A
- Authority
- CN
- China
- Prior art keywords
- elevating mechanism
- measured
- piston rod
- fully extended
- lift cylinder
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 194
- 238000001514 detection method Methods 0.000 title claims abstract description 72
- 230000003068 static effect Effects 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title abstract description 8
- 230000003028 elevating effect Effects 0.000 claims description 159
- 238000012360 testing method Methods 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims 3
- 230000004888 barrier function Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A static load simulation detection method for offshore platform hydraulic lifting mechanisms, to be specific, a detection apparatus using the hydraulic lifting mechanisms, is provided; the detection method comprises: (1) starting the detection apparatus and a hydraulic station; (2) fully extending a piston rod of a lifting cylinder of one lifting mechanism to be detected, and fully retracting a piston rod of a lifting cylinder of the other lifting mechanism to be detected; inserting lock pins of a connection box into second pinholes for fixing; (3) gradually pressurizing a rodless cavity of the lifting cylinder of the lifting mechanism to be detected with the piston rod fully extended out, while a rod cavity is not pressurized but in relief state; enabling both a rodless cavity and rod cavity of the lifting cylinder of the lifting mechanism to be detected with the piston rod fully retracted, to be not pressurized but in relief state; (4) maintaining pressure under loading, checking the lifting mechanism to be detected with the piston rod fully extended out, judging, and recording; the static load simulation detection method for offshore platform hydraulic lifting mechanisms provided herein has the advantages of high detection efficiency, low cost, good step simplicity, and low detection difficulty.
Description
Technical field
The present invention relates to offshore platform jacking system technical field of measurement and test, more particularly to a kind of lifting of offshore platform hydraulic formula
The static load analog detecting method of mechanism.
Background technology
Offshore platform jacking system is the key component of jack up offshore work platform, by elevating mechanism with moving platform
Spud leg moves up and down to realize the lifting of offshore work platform, i.e., when offshore work platform reaches job position, fall spud leg,
And offshore work platform is promoted to ballast after the specified altitude assignment on sea, spud leg is fixedly positioning in seabed；When fulfiling assignment
When homeward, offshore work platform is fallen to sea level, spud leg of choosing, and spud leg remains rise during homeward.
Because maritime environment is complicated and changeable, offshore work platform is subject at any time distinguished and admirable, ocean current impact and load effect of drifting along,
Therefore before offshore platform hydraulic formula continuous elevator structure is attached on offshore jackup platform, need to be simulated test,
Each performance of lowering or hoisting gear is detected, but it is usual currently used for the simulated test detection method of offshore platform elevating mechanism
Only it is that the maximum load value to elevating mechanism is detected, its detection method is complicated, detection difficulty is high, detection efficiency is low and detects
Relatively costly deficiency, and yet suffer from the performance of part and be difficult to reach accurate examination criteria, the performance of detection is more single,
Testing result fluctuation is larger, and error rate is high, and accuracy of detection is unstable, causes to be difficult to the potential wind for comprehensively detecting elevating mechanism
Danger, and the requirement of the guarantee of the high-performance before dispatching from the factory can not be met.
The content of the invention
It is an object of the invention to propose a kind of high detection efficiency, low cost and step is simple, detection difficulty is low sea
The static load analog detecting method of platform hydraulic formula elevating mechanism.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism, using hydraulic pressure lifting mechanism
Detection means, the detection means includes：Base, two elevating mechanisms to be measured and connection box body；The connection box body is by leading
It is arranged on the base to slide, and the base is separated into into left elevating mechanism installing zone and right elevating mechanism installing zone；
The left elevating mechanism installing zone and right elevating mechanism installing zone are respectively mounted two elevating mechanisms to be measured, institute
State left elevating mechanism installing zone and right elevating mechanism installing zone is both provided with several the first pin-and-holes, be additionally provided with the base
Positioned at the second pin-and-hole of the lower end of the connection box body；
Two elevating mechanisms to be measured include bolt mechanism, several lift cylinders and lift slide；The lifting
One end of oil cylinder drives the latch of the bolt mechanism lifting, the bolt mechanism to insert in detection by the lift slide
First pin-and-hole, the other end of the lift cylinder is connected to the connection box body；Two elevating mechanisms to be measured are homogeneous
For the connection box body is arranged symmetrically；The connection box body is provided with the locking that second pin-and-hole can be inserted in detection
Pin；
The detection method comprises the steps：
(1) test prepares：Start the detection means and Hydraulic Station；
(2) operating state adjustment：The piston rod of the lift cylinder of one elevating mechanism to be measured is fully extended；It is another
The piston rod of the lift cylinder of individual elevating mechanism to be measured compresses completely；Then, it is the locking pin insertion of the connection box body is described
Second pin-and-hole is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
Rodless cavity progressively pressurize, rod chamber no pressure, and in unloading condition；The elevating mechanism described to be measured that piston rod compresses completely
Lift cylinder rodless cavity and the equal no pressure of rod chamber, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), it is fully extended to piston rod described in treat
Survey elevating mechanism carries out inspection and judges and record.
Further illustrate, the pressurization of the rodless cavity of the lift cylinder of piston rod fully extended elevating mechanism described to be measured it is right
Should load and beWherein F is load, and D is cylinder diameter, and P is pressure.
Further illustrate, the to be measured elevating mechanism fully extended to piston rod is carried out checking and judge bag in step (4)
Include：At each parts of elevating mechanism to be measured, sealing and joint has No leakage；Described inspection is also stretched completely after judgement to piston rod
The elevating mechanism described to be measured for going out carries out random sampling strip inspection.
Further illustrate, the time of pressurize is as 5～8min under the middle test load for setting to step (3).
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity can be forced into 9～28MPa.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity can be forced into 18.1MPa.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 27.3MPa.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 9.1MPa.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 25.4MPa.
Beneficial effects of the present invention：Two elevating mechanisms to be measured are carried out into load detection test simultaneously, its detection efficiency is big
Big to improve, testing cost is reduced, and is realized before the elevating mechanism to be measured is attached on offshore jackup platform, can be effective
Its each performance is detected, wherein mainly adjusting and setting by the operating state by the analog detecting method of static load
Certain test load, and by loading pressurize, detection judgement is carried out to elevating mechanism to be measured, so as to can effectively to described to be measured
The storm load of elevating mechanism, prefabricating load, maximum static state keep the ability of load and locking pin maximum load etc. to be detected,
Detection difficulty is reduced, the static load analog detecting method step is simple, it is easy to manipulates, realizes space limited indoors
It is interior, marine various limiting cases are simulated, the simulation to the super large load under actual condition farthest detects lifting to be measured
The potential risk of mechanism, improves the security reliability of utilization of dispatching from the factory.
Description of the drawings
Fig. 1 is the side view of the detection means of the hydraulic pressure lifting mechanism of one embodiment of the invention；
Fig. 2 is the top view of the detection means of the hydraulic pressure lifting mechanism of one embodiment of the invention；
Fig. 3 is the structural representation of the base of the detection means of the hydraulic pressure lifting mechanism of one embodiment of the invention；
Wherein：Base 1, left elevating mechanism installing zone A, right elevating mechanism installing zone B, the first pin-and-hole 11, the second pin-and-hole 12,
Bolt mechanism 2, connects box body 3, is oriented to slide 4, lift cylinder 6, lift slide 7.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figure 1, a kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism, using fluid pressure type
The detection means of elevating mechanism, the detection means includes：1, two elevating mechanisms to be measured of base and connection box body 3；The company
Connect box body 3 by be oriented to slide 4 be arranged on the base 1, and by the base 1 be separated into left elevating mechanism installing zone A and
Right elevating mechanism installing zone B, as shown in Figure 2；
The left elevating mechanism installing zone A and right elevating mechanism installing zone B are respectively mounted two elevating mechanisms to be measured,
The left elevating mechanism installing zone A and right elevating mechanism installing zone B are both provided with several the first pin-and-holes 11, on the base 1
The second pin-and-hole 12 positioned at the lower end of the connection box body 3 is additionally provided with, as shown in Figure 3；
Two elevating mechanisms to be measured include bolt mechanism 2, several lift cylinders 6 and lift slide 7；It is described to carry
One end of oil-lifting jar 6 drives the bolt mechanism 2 to lift by the lift slide 7, and the latch of the bolt mechanism 2 is in detection
When insert first pin-and-hole 11, the other end of the lift cylinder 6 is connected to the connection box body 3；Two liters to be measured
Descending mechanism is arranged symmetrically both with respect to the connection box body 3；The connection box body 3 is provided with can insert described second in detection
The locking pin of pin-and-hole 12；
The detection method comprises the steps：
(1) test prepares：Start the detection means and Hydraulic Station；
(2) operating state adjustment：The piston rod of the lift cylinder 6 of one elevating mechanism to be measured is fully extended；Separately
The piston rod of the lift cylinder 6 of one elevating mechanism to be measured compresses completely；Then, by the locking pin insertion of the connection box body 3
Second pin-and-hole 12 is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
6 rodless cavity progressively pressurizes, rod chamber no pressure, and in unloading condition；The lift described to be measured that piston rod compresses completely
The rodless cavity and the equal no pressure of rod chamber of the lift cylinder 6 of structure, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), it is fully extended to piston rod described in treat
Survey elevating mechanism carries out inspection and judges and record.
A kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism proposed by the present invention, the sea
Platform hydraulic formula elevating mechanism needed to be detected that it is exactly of the present invention to be measured before offshore platform is not attached to
Two elevating mechanisms to be measured are carried out load detection test by elevating mechanism, the present invention simultaneously, and its detection efficiency is greatly improved, detected
Cost is reduced, and is realized before the elevating mechanism to be measured is attached on offshore jackup platform, can effective detection its each
Performance, wherein mainly certain test is adjusted and set by the operating state by the analog detecting method of static load
Load, and by loading pressurize, detection judgement is carried out to elevating mechanism to be measured, so as to can effectively to the elevating mechanism to be measured
Storm load, prefabricating load, maximum static state keep the ability of load and locking pin maximum load etc. to be detected, reduce detection
Difficulty, the static load analog detecting method step is simple, it is easy to manipulate, and realizes in space limited indoors, simulation sea
On various limiting cases, the simulation to the super large load under actual condition farthest detects the latent of elevating mechanism to be measured
In risk, the security reliability of utilization of dispatching from the factory is improved.
Further illustrate, the pressurization of the rodless cavity of the lift cylinder of piston rod fully extended elevating mechanism described to be measured it is right
Should load and beWherein F is load, and D is cylinder diameter, and P is pressure.
Due to the static load analog detecting method of the present invention, mainly to the lift cylinder of elevating mechanism to be measured without bar
Chamber is pressurizeed, therefore can be according to the design feature of the lift cylinder of different elevating mechanisms described to be measured, to described to be measured
When elevating mechanism carries out the detection of different performances, then according to the cylinder diameter of required load and the lift cylinder, come
Set the pressure size of the lift cylinder to the elevating mechanism to be measured so as to test load is more accurately set, such that it is able to more
Plus accurately its performance is detected, improve accuracy of detection, it is ensured that the real reliability of simulation.
Further illustrate, the to be measured elevating mechanism fully extended to piston rod is carried out checking and judge bag in step (4)
Include：At each parts of elevating mechanism to be measured, sealing and joint has No leakage；Described inspection is also stretched completely after judgement to piston rod
The elevating mechanism described to be measured for going out carries out random sampling strip inspection.
Certain test load is being set to the elevating mechanism to be measured and pressurize is being carried out under set test load
Afterwards, need to check the performance condition of the elevating mechanism to be measured, i.e., at its each parts, sealing and joint is let out
Leakage situation is checked, so as to judge the load-carrying ability of the elevating mechanism to be measured more fully hereinafter, and can be adjusted in time；
In addition after inspection judgement is carried out, also again random sampling disintegration is carried out to the elevating mechanism to be measured, so as to ensure each part
Normally, the error that detection judges is reduced.
Further illustrate, the time of pressurize is as 5～8min under the middle test load for setting to step (3).
The size of the test load according to set by the elevating mechanism to be measured, carries out the pressurize of certain hour, it is to avoid
The stress critical value of each parts of the elevating mechanism to be measured, and cannot more accurately judge the elevating mechanism to be measured
Load-carrying ability situation, therefore the dwell time will be set as 5～8min, so as to increase accuracy and the reliability that detection judges
Property, it is ensured that the validity of static load simulation.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity can be forced into 9～28MPa.
It is bigger that the rodless cavity of the lift cylinder of the elevating mechanism to be measured applies stressed scope, then can be to the liter to be measured
The performance detection that descending mechanism is carried out it is more, effectively overcome comprehensively to examine to each performance of elevating mechanism to be measured
The problem of survey, improves the diversity of the performance detection to the elevating mechanism to be measured, and testing inspection is more comprehensive, reliable.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity can be forced into 18.1MPa.
When the pressure of the rodless cavity of the lift cylinder of the elevating mechanism to be measured reaches 18.1MPa, can be to lifting to be measured
Mechanism carries out the detection of its pre- ballast load-carrying ability, simulates the pre- ballast load of the actual environment under sea of the elevating mechanism to be measured
Capabilities might.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 27.3MPa.
When the pressure of the rodless cavity of the lift cylinder of the elevating mechanism to be measured reaches 27.3MPa, can be to lifting to be measured
Mechanism carries out the detection of its maximum static holding load-carrying ability, simulates the maximum of the actual environment under sea of the elevating mechanism to be measured
Static state keeps load-carrying ability situation.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 9.1MPa.
When the lift cylinder of the elevating mechanism to be measured rodless cavity pressure to 9.1MPa when, can be to elevating mechanism to be measured
The detection of its storm load ability is carried out, the storm load ability feelings of the actual environment under sea of the elevating mechanism to be measured are simulated
Condition.
Further illustrate, by the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3)
Rod cavity is progressively forced into 25.4MPa.
When the lift cylinder of the elevating mechanism to be measured rodless cavity pressure to 25.4MPa when, can be to lift to be measured
The detection of the locking pin maximum load ability in structure, simulate the elevating mechanism to be measured the actual environment under sea of locking pin it is big
Load-carrying ability situation.
Detection of embodiment 1- to the pre- ballast load-carrying ability of elevating mechanism
Prepare before test：
Delivery test is carried out in workshop internal field, 5 meters of scopes of pilot region keep passage smoothly, keep sufficiently ventilation and shine
It is bright；Product, testing machine, electric cabinet to testing etc. is organized to check by special messenger, it is ensured that each position is reliably connected；Each barrier
Properly removed；Warning isolation is carried out to pilot region, unrelated person is forbidden to enter.
Test procedure：
(1) test prepares：Detected using the detection means of hydraulic pressure lifting mechanism, started the detection means and liquid
Pressure station；
(2) operating state adjustment：The piston rod of the lift cylinder 6 of one elevating mechanism to be measured is fully extended；Separately
The piston rod of the lift cylinder 6 of one elevating mechanism to be measured compresses completely；Then, by the locking pin insertion of the connection box body 3
Second pin-and-hole 12 is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
6 rodless cavity progressively pressurizes, then its correspondence load isThe cylinder diameter D of wherein described elevating mechanism is
540mm, P pressure is 18.1MPa, then load F is 1250T；Rod chamber no pressure, and in unloading condition；Piston rod is pressed completely
The rodless cavity and the equal no pressure of rod chamber of the lift cylinder 6 of the elevating mechanism described to be measured of contracting, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), the dwell time is 5min, checks and judges simultaneously
At each parts of the record fully extended elevating mechanism described to be measured of piston rod, sealing and joint has No leakage；Test pressure,
Load, dwell time, and to checking that the elevating mechanism after judging carries out random sampling strip inspection, complete to stretch piston rod completely
The detection of the pre- ballast load-carrying ability of the elevating mechanism described to be measured for going out.
Detection of embodiment 2- to the static holding load-carrying ability of maximum of elevating mechanism
Prepare before test：
Delivery test is carried out in workshop internal field, 5 meters of scopes of pilot region keep passage smoothly, keep sufficiently ventilation and shine
It is bright；Product, testing machine, electric cabinet to testing etc. is organized to check by special messenger, it is ensured that each position is reliably connected；Each barrier
Properly removed；Warning isolation is carried out to pilot region, unrelated person is forbidden to enter.
Test procedure：
(1) test prepares：Detected using the detection means of hydraulic pressure lifting mechanism, started the detection means and liquid
Pressure station；
(2) operating state adjustment：The piston rod of the lift cylinder 6 of one elevating mechanism to be measured is fully extended；Separately
The piston rod of the lift cylinder 6 of one elevating mechanism to be measured compresses completely；Then, by the locking pin insertion of the connection box body 3
Second pin-and-hole 12 is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
6 rodless cavity progressively pressurizes, then its correspondence load isThe cylinder diameter D of wherein described elevating mechanism is
540mm, P pressure is 27.3MPa, then load F is 1890T；Rod chamber no pressure, and in unloading condition；Piston rod is pressed completely
The rodless cavity and the equal no pressure of rod chamber of the lift cylinder 6 of the elevating mechanism described to be measured of contracting, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), the dwell time is 6min, checks and judges simultaneously
At each parts of the record fully extended elevating mechanism described to be measured of piston rod, sealing and joint has No leakage；Test pressure,
Load, dwell time, and to checking that the elevating mechanism after judging carries out random sampling strip inspection, complete to stretch piston rod completely
The detection of the static holding load-carrying ability of maximum of the elevating mechanism described to be measured for going out.
Detection of embodiment 3- to the storm load ability of elevating mechanism
Prepare before test：
Delivery test is carried out in workshop internal field, 5 meters of scopes of pilot region keep passage smoothly, keep sufficiently ventilation and shine
It is bright；Product, testing machine, electric cabinet to testing etc. is organized to check by special messenger, it is ensured that each position is reliably connected；Each barrier
Properly removed；Warning isolation is carried out to pilot region, unrelated person is forbidden to enter；
Test procedure：
(1) test prepares：Detected using the detection means of hydraulic pressure lifting mechanism, started the detection means and liquid
Pressure station；
(2) operating state adjustment：The piston rod of the lift cylinder 6 of one elevating mechanism to be measured is fully extended；Separately
The piston rod of the lift cylinder 6 of one elevating mechanism to be measured compresses completely；Then, by the locking pin insertion of the connection box body 3
Second pin-and-hole 12 is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
6 rodless cavity progressively pressurizes, then its correspondence load isThe cylinder diameter D of wherein described elevating mechanism is
540mm, P pressure is 9.1MPa, then load F is 625T；Rod chamber no pressure, and in unloading condition；Piston rod compresses completely
Elevating mechanism described to be measured lift cylinder 6 rodless cavity and the equal no pressure of rod chamber, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), the dwell time is 7min, checks and judges simultaneously
At each parts of the record fully extended elevating mechanism described to be measured of piston rod, sealing and joint has No leakage；Test pressure,
Load, dwell time, and to checking that the elevating mechanism after judging carries out random sampling strip inspection, complete to stretch piston rod completely
The detection of the storm load ability of the elevating mechanism described to be measured for going out.
Detection of embodiment 4- to the locking pin maximum load ability in elevating mechanism
Prepare before test：
Delivery test is carried out in workshop internal field, 5 meters of scopes of pilot region keep passage smoothly, keep sufficiently ventilation and shine
It is bright；Product, testing machine, electric cabinet to testing etc. is organized to check by special messenger, it is ensured that each position is reliably connected；Each barrier
Properly removed；Warning isolation is carried out to pilot region, unrelated person is forbidden to enter；
Test procedure：
(1) test prepares：Detected using the detection means of hydraulic pressure lifting mechanism, started the detection means and liquid
Pressure station；
(2) operating state adjustment：The piston rod of the lift cylinder 6 of one elevating mechanism to be measured is fully extended；Separately
The piston rod of the lift cylinder 6 of one elevating mechanism to be measured compresses completely；Then, by the locking pin insertion of the connection box body 3
Second pin-and-hole 12 is fixed；
(3) oil cylinder pressurization, sets test load：To the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
6 rodless cavity progressively pressurizes, then its correspondence load isThe cylinder diameter D of wherein described elevating mechanism is
540mm, P pressure is 25.4MPa, then load F is 1760T；Rod chamber no pressure, and in unloading condition；Piston rod is pressed completely
The rodless cavity and the equal no pressure of rod chamber of the lift cylinder 6 of the elevating mechanism described to be measured of contracting, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), the dwell time is 8min, checks and judges simultaneously
At each parts of the record fully extended elevating mechanism described to be measured of piston rod, sealing and joint has No leakage；Test pressure,
Load, dwell time, and to checking that the elevating mechanism after judging carries out random sampling strip inspection, complete to stretch piston rod completely
The detection of the locking pin maximum load ability in the elevating mechanism described to be measured for going out.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (9)
1. a kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism, it is characterised in that：Using fluid pressure type
The detection means of elevating mechanism, the detection means includes：Base, two elevating mechanisms to be measured and connection box body；The connection
Box body is arranged on the base by being oriented to slide, and the base is separated into into left elevating mechanism installing zone and right lift
Structure installing zone；
The left elevating mechanism installing zone and right elevating mechanism installing zone are respectively mounted two elevating mechanisms to be measured, the left side
Elevating mechanism installing zone and right elevating mechanism installing zone are both provided with several the first pin-and-holes, are additionally provided with the base and are located at
Second pin-and-hole of the lower end of the connection box body；
Two elevating mechanisms to be measured include bolt mechanism, several lift cylinders and lift slide；The lift cylinder
One end bolt mechanism lifting is driven by the lift slide, the insertion in detection of the latch of the bolt mechanism is described
First pin-and-hole, the other end of the lift cylinder is connected to the connection box body；Two elevating mechanisms to be measured both with respect to
The connection box body is arranged symmetrically；The connection box body is provided with the locking pin that second pin-and-hole can be inserted in detection；
The detection method comprises the steps：
(1) test prepares：Start the detection means and Hydraulic Station；
(2) operating state adjustment：The piston rod of the lift cylinder of one elevating mechanism to be measured is fully extended；Another is treated
The piston rod for surveying the lift cylinder of elevating mechanism compresses completely；Then, by the locking pin insertion described second of the connection box body
Pin-and-hole is fixed；
(3) oil cylinder pressurization, sets test load：To the nothing of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod
Rod cavity is progressively pressurizeed, rod chamber no pressure, and in unloading condition；Elevating mechanism described to be measured that piston rod compresses completely is carried
The equal no pressure of rodless cavity and rod chamber of oil-lifting jar, and in unloading condition；
(4) pressurize is loaded：To pressurize under the test load of setting in step (3), the to be measured liter fully extended to piston rod
Descending mechanism carries out inspection and judges and record.
2. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 1, its
It is characterised by：The lift cylinder of the fully extended elevating mechanism described to be measured of piston rod rodless cavity pressurization corresponding load beWherein F is load, and D is cylinder diameter, and P is pressure.
3. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 1, its
It is characterised by：The to be measured elevating mechanism fully extended to piston rod carries out checking that judgement includes in step (4)：Lifting to be measured
At each parts of mechanism, sealing and joint has No leakage；It is described check judge after it is also fully extended to piston rod described in treat
Surveying elevating mechanism carries out random sampling strip inspection.
4. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 1, its
It is characterised by：The time of pressurize is as 5～8min under the middle test load for setting to step (3).
5. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 1, its
It is characterised by：The rodless cavity of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3) can be pressurizeed
To 9～28MPa.
6. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 5, its
It is characterised by：The rodless cavity of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3) can be pressurizeed
To 18.1MPa.
7. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 5, its
It is characterised by：The rodless cavity of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3) is progressively added
It is depressed into 27.3MPa.
8. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 5, its
It is characterised by：The rodless cavity of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3) is progressively added
It is depressed into 9.1MPa.
9. the static load analog detecting method of a kind of offshore platform hydraulic formula elevating mechanism according to claim 5, its
It is characterised by：The rodless cavity of the lift cylinder of the fully extended elevating mechanism described to be measured of piston rod in step (3) is progressively added
It is depressed into 25.4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192074.5A CN106644543B (en) | 2016-12-21 | 2016-12-21 | A kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192074.5A CN106644543B (en) | 2016-12-21 | 2016-12-21 | A kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644543A true CN106644543A (en) | 2017-05-10 |
| CN106644543B CN106644543B (en) | 2019-06-04 |
Family
ID=58834694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611192074.5A Active CN106644543B (en) | 2016-12-21 | 2016-12-21 | A kind of static load analog detecting method of offshore platform hydraulic formula elevating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644543B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086142A1 (en) * | 1982-02-01 | 1983-08-17 | BRISSONNEAU ET LOTZ MARINE Société anonyme dite: | Device for measuring loads applied to the frames of the lifting mechanisms of platforms |
| US6935196B1 (en) * | 2003-11-14 | 2005-08-30 | David M. Tumlin | Method and apparatus for testing the structural integrity of offshore lifting containers |
| CN102636342A (en) * | 2012-04-19 | 2012-08-15 | 吴平平 | Simulating test machine for lifting unit of drilling platform and simulating test method thereof |
| CN103499455A (en) * | 2013-09-04 | 2014-01-08 | 武汉船用机械有限责任公司 | Testing device of self-elevating ocean platform |
| CN203837931U (en) * | 2014-03-12 | 2014-09-17 | 武汉船用机械有限责任公司 | A self-lifting type platform elevating unit test apparatus |
| CN104316336A (en) * | 2014-08-28 | 2015-01-28 | 武汉船用机械有限责任公司 | Lifting device type testing method and realization system thereof |
| CN105628422A (en) * | 2015-12-26 | 2016-06-01 | 武汉船用机械有限责任公司 | Experiment system suitable for pin elevating mechanism |
| CN105841988A (en) * | 2016-04-05 | 2016-08-10 | 广东精铟海洋工程股份有限公司 | Reciprocal-load elevating test machine, elevating test system and elevating test method |
| CN205562116U (en) * | 2016-03-29 | 2016-09-07 | 安徽博一流体传动股份有限公司 | Overall framework formula hydro -cylinder test bench |
-
2016
- 2016-12-21 CN CN201611192074.5A patent/CN106644543B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086142A1 (en) * | 1982-02-01 | 1983-08-17 | BRISSONNEAU ET LOTZ MARINE Société anonyme dite: | Device for measuring loads applied to the frames of the lifting mechanisms of platforms |
| US6935196B1 (en) * | 2003-11-14 | 2005-08-30 | David M. Tumlin | Method and apparatus for testing the structural integrity of offshore lifting containers |
| CN102636342A (en) * | 2012-04-19 | 2012-08-15 | 吴平平 | Simulating test machine for lifting unit of drilling platform and simulating test method thereof |
| CN103499455A (en) * | 2013-09-04 | 2014-01-08 | 武汉船用机械有限责任公司 | Testing device of self-elevating ocean platform |
| CN203837931U (en) * | 2014-03-12 | 2014-09-17 | 武汉船用机械有限责任公司 | A self-lifting type platform elevating unit test apparatus |
| CN104316336A (en) * | 2014-08-28 | 2015-01-28 | 武汉船用机械有限责任公司 | Lifting device type testing method and realization system thereof |
| CN105628422A (en) * | 2015-12-26 | 2016-06-01 | 武汉船用机械有限责任公司 | Experiment system suitable for pin elevating mechanism |
| CN205562116U (en) * | 2016-03-29 | 2016-09-07 | 安徽博一流体传动股份有限公司 | Overall framework formula hydro -cylinder test bench |
| CN105841988A (en) * | 2016-04-05 | 2016-08-10 | 广东精铟海洋工程股份有限公司 | Reciprocal-load elevating test machine, elevating test system and elevating test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644543B (en) | 2019-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101246059B1 (en) | Derrick load test method | |
| CN109577901A (en) | A kind of subsea wellhead connector and its pilot system and test method | |
| CN105464064A (en) | System and method for cantilever beam heavy-duty test of self-elevating drilling platform | |
| CN207348807U (en) | Sled is dragged in self-leveling type movement | |
| KR101654624B1 (en) | Load test apparatus of derrick | |
| CN106644543A (en) | Static load simulation detection method for offshore platform hydraulic lifting mechanisms | |
| CN106769012B (en) | A kind of dynamic load analog detecting method of offshore platform hydraulic formula elevating mechanism | |
| AU2014248017B2 (en) | Method and apparatus for elevating a marine platform | |
| CN104198179A (en) | Load test method for casing tensioner of self-elevating platform | |
| CN104316336A (en) | Lifting device type testing method and realization system thereof | |
| CN101387108B (en) | Hydraulic lifting and locking apparatus for anti-slide pile | |
| CN201778345U (en) | Testing machine for spud leg locking system of self-elevating drilling platform | |
| KR20140004018U (en) | Load test apparatus of beam for ship | |
| CN107842008B (en) | A kind of jack-up unit hydraulic bolt lifting device | |
| CN101915674B (en) | Tester of pile leg locking system for self-elevating drilling platform | |
| CN104266828B (en) | A kind of shark jaw and the pilot system of backing pin and test method | |
| CN217542424U (en) | Offshore test platform for large-tonnage sunken ship salvage hydraulic buffer synchronous lifting system | |
| CN105240643B (en) | The adjustment and installation method of deep underwater pipes plugging device | |
| CN108072336A (en) | Fuel manipulator crane extension sleeve total travel running orbit accurately detects and adjusting process | |
| CN207648463U (en) | LNG filling machine weighing devices | |
| CN106192968A (en) | A kind of portable cone penetration test complete set of equipments | |
| CN205027529U (en) | Ocean drilling platform gear static test device that climbs | |
| CN216247036U (en) | Pressure test tool for floating valve of drilling tool | |
| CN219081544U (en) | Be used for storage pressure testing base and pressure testing system of preventer under water | |
| CN108692927A (en) | A kind of bearing capacity detection device of drilling derrick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170510 Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Contract record no.: X2020980005507 Denomination of invention: A static load simulation method for offshore platform hydraulic lifting mechanism Granted publication date: 20190604 License type: Exclusive License Record date: 20200828 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A static load simulation method for offshore platform hydraulic lifting mechanism Effective date of registration: 20200904 Granted publication date: 20190604 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Registration number: Y2020980005706 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190604 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Registration number: Y2020980005706 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Contract record no.: X2020980005507 Date of cancellation: 20240320 |