CN106672802B - A kind of overhead traveling crane compensation device locks guidance system construction design method - Google Patents
A kind of overhead traveling crane compensation device locks guidance system construction design method Download PDFInfo
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- CN106672802B CN106672802B CN201610595573.2A CN201610595573A CN106672802B CN 106672802 B CN106672802 B CN 106672802B CN 201610595573 A CN201610595573 A CN 201610595573A CN 106672802 B CN106672802 B CN 106672802B
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- hydraulic
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- support cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Abstract
The present invention relates to a kind of crown-block heave compensator to lock guidance system construction design method, comprises the following steps：S1, overall plan design, including following sub-step：S1 1, locking Hydraulic Circuit Design overall plan, separately design hydraulic cylinder, the hydraulic locking loop for possessing hydraulic control one-way valve, three position four-way directional control valve, let out direct acting type sequence valve and unidirectional volume adjustable hydraulic pump in internal control；S1 2, guide design overall plan；S2, hydraulic support cylinder parameter designing；S3, hydraulic circuit design；S4, hydraulic circuit simulation analysis；S5, guide design and intensive analysis.The advantage of the invention is that：By hydraulic circuit design method and guide design method two large divisions, enhancing improves hydraulic circuit and guider, compensation system is avoided in deepwater drilling operation process due to piston play equistability problem caused by environmental impact load, improves the stability and compensation efficiency of crown-block heave compensator.
Description
Technical field
The present invention relates to deepwater drilling technical field of operation, particularly a kind of crown-block heave compensator locking guidance system
Construction design method.
Background technology
Heave compensator is ocean operation, particularly apparatus system indispensable in deepwater drilling operation.China pair
The research and application of heave compensation correlation technique are started late, and the research system of heave compensator and its corollary system is not also complete
Kind, temporarily also no relevant manufacturers domestic at present can produce the heave compensator for meeting onsite application requirement and its supporting production
Product, cause used heave compensation system on the deepwater semisubmersible platform or drill ship that China has possessed, be required for from foreign countries
High price import simultaneously bears huge maintenance cost.As petroleum exploration in China exploitation gradually carries out strategic shift to deep-sea marine site,
Use and technical requirements to corresponding drilling and extracting equipment also more and more higher, force China to increase the research and development to autonomous offshore oil equipment
Dynamics, in recent years, domestic colleges and universities expand related subject study to petroleum equipment manufacturing firm for heave compensation system, and
Achieve certain technological achievement.As the march toward paces at deep-sea of China are increasingly accelerated, the research of heave compensation system is still for I
State's offshore oil equipment has to the technological difficulties problem solved.Therefore, further investigate and design and manufacture with independent intellectual
The special heave compensation system of deep water floating drilling platform of property right, it has also become the most important thing of marine oil and gas drilling and production technology.
In overhead traveling crane heave compensation motion process, some drillng operations need floating overhead traveling crane to be locked in a certain level altitude
The progress of the operating process such as position, the upper, shackle being easy in operation process, but floating overhead traveling crane is often possible to because locking to stop
There is stability problem because extraneous factor produces play afterwards；Meanwhile floating overhead traveling crane is in heave compensation motion process, due to dynamic
Power end employs Mechanical Driven mode, can produce the floating overhead traveling crane in Drilling derrick top and wave, and is unfavorable for motion and mends
Repay the steady progress of process, it is therefore desirable to improve original hydraulic cylinder in overhead traveling crane compensation device and set up guider.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided a kind of crown-block heave compensator locking is oriented to system
System construction design method, this method is by hydraulic circuit design method and guide design method two large divisions, by setting
Count the hydraulic system with hydraulic locking loop and the symmetrical I-steel guidance system of Mechanical Driven floating crown-block type is to existing be oriented to
System carries out enhancing improvement, improves the stability and compensation efficiency of crown-block heave compensator.
The purpose of the present invention is achieved through the following technical solutions：A kind of crown-block heave compensator locks guidance system knot
Structure design method, comprises the following steps：
S1, overall plan design；
S2, hydraulic support cylinder parameter designing；
S3, hydraulic circuit design；
S4, hydraulic circuit simulation analysis；
S5, guide design and intensive analysis.
In step S1, overall plan design includes following sub-step：
S1-1, locking Hydraulic Circuit Design overall plan：Separately design hydraulic cylinder, possess the hydraulic locking of hydraulic control one-way valve
Loop, three position four-way directional control valve, direct acting type sequence valve and unidirectional volume adjustable hydraulic pump are let out in internal control；
S1-2, guide design overall plan：Line slideway phase interworking using directive wheel with similar i-beam structure
The form of conjunction.
In step S2, hydraulic support cylinder parameter designing includes following sub-step：
S2-1, the design of hydraulic circuit principle：Designed according to overall plan in step S1, driven with reference to using rack-and-pinion machinery
The Active Compensation mode feature of dynamic formula, Double-hydraulic support system schematic diagram is designed, consider floating overhead traveling crane in marine drilling operation
Load formed in journey is very big, provides hydraulic thrust in rack-and-pinion active mechanical compensation process using hydraulic support cylinder, protects
The normal work of motion compensating system is demonstrate,proved, then carries out Double-hydraulic support meanss design；
S2-2, hydraulic support cylinder design of Structural Parameters：Hydraulic pressure branch is can obtain by carrying out stress balance equation to hydraulic cylinder
It is that pressure and floating overhead traveling crane load sum in hydraulic support cylinder rod chamber to support cylinder rodless cavity pressure, and the power heaves for overhead traveling crane
In the movement compensation process of compensation device；
S2-3, gas-liquid accumulator design of Structural Parameters：Hydraulic pressure branch can obtain by the hydraulic support cylinder cylinder diameter of design
Support rodless cavity area in cylinder；When crown-block heave compensator is in locking poised state, i.e., hydraulic support cylinder has carried floating
Overhead traveling crane hangs dead load, then the initial pressure of rodless cavity in one group of hydraulic support cylinder cylinder can be calculated；Pass through initial pressure, two
Hydraulic medium volume sum and the equation of gas state can obtain gas storage tank volume in the rodless cavity of group hydraulic support cylinder；Design is worked as
When piston rod is fully extended in hydraulic support cylinder, gas-liquid accumulator discharges institute's storage energy all for providing passive support force,
Obtain the active drive power of mechanical driving mechanism；Consider floating platform maximum heave movement can obtain hydraulic system maximum stream flow and
Pipe aperture；
S2-4, rigidity and damping design：The pressure of piston is equal to by compressed gas by gas in gas-liquid accumulator
Elastic restoring force, gas-liquid spring rate in accumulator is can obtain, while by calculating the viscous damping of liquid in hydraulic cylinder
The pressure loss caused by power, it can obtain fluid adhesive resistance coefficient in hydraulic support cylinder.
In step S3, hydraulic circuit design includes following sub-step：
Hydraulic circuit master-plan in S3-1, hydraulic support cylinder：Using 3-position 4-way electro-hydraulic proportion reversing valve conduct
Hydraulic support cylinder rod chamber pressure and the control valve of unidirectional variable delivery hydraulic pump discharge pressure are connected, is compared only with pump control mode
Hydraulic circuit, because in the movement compensation process of crown-block heave compensator, hydraulic pump is it sometimes appear that entrance enters oil pressure
Power is more than the situation of hydraulic fluid pressure in outlet hydraulic shoring rod chamber so that the work operating mode of hydraulic pump is changed into drive electricity
Motivation is in the hydraulic motor operating mode of generating state, during this can by part energy consumption on motor resistance heating,
Reduce system capacity utilization rate and the reliability of motor；Then respectively by the load of floating overhead traveling crane, hydraulic support cylinder, hydraulic pressure branch
Support cylinder rodless cavity pressure gauge, hydraulic support cylinder rod chamber pressure gauge, two-way cover-plate type inserted valve one, bi-bit bi-pass hydraulic pilot control
Reversal valve processed, 3-position 4-way electro-hydraulic proportion reversing valve, two-way cover-plate type inserted valve two, two-position two-way electromagnetic directional valve, motor,
Counterbalance valve, stop valve, accumulator, unidirectional volume adjustable hydraulic pump, direct acting type overflow valve, hydraulic oil container are according to two groups of hydraulic support cylinders
Rod chamber regulation using pump control add valve control control mode design hydraulic support cylinder hydraulic circuit；
S3-2, the design of hydraulic locking loop：Set at bi-bit bi-pass Hydraulic guide control reversal valve in hydraulic circuit
Put two groups of combination hydraulic locking/deceleration valves, this two groups of combination hydraulic lockings/deceleration valve combination enable to floating overhead traveling crane and
It hangs the optional position being supported in heave compensation path and is locked.
In step S4, hydraulic circuit simulation analysis specifically include following steps：Utilizing works system emulation modeling environment, and
According to establishing hydraulic pressure time system simulation model according to model parameter designed in S2-2~S2-4 and solving, according to simulation result
Analyze the floating overhead traveling crane kinematic parameter after hydraulic support cylinder provides passive support force compensating and change over time rule；If motion bit
Move scope and be less than floating drilling platform maximum heave movement amplitude, then calculate compensation efficiency and carry out step S5；If motion bit
Move scope and be equal to or more than floating drilling platform maximum heave movement amplitude, then return and redesign in calculating S2-2~S2-4
Parameter with increase hydraulic support cylinder offer passive support force.
In step S5, guide design includes following sub-step with intensive analysis：
S5-1, the contrast of guide frame function and selection：Filled with reference to crown-block heave compensator in motion process to being oriented to
The form and symmetrical cloth that the function and structure requirement put is cooperated using directive wheel with the line slideway of similar i-beam structure
Meter guider is installed, and selects initial configuration of the wheel track guider as crown-block heave compensator guide design
Scheme；
S5-2, the design of guider detailed construction：Required according to the design standard of pair roller and track, floated selected by consideration
The dynamic axial length of overhead traveling crane, the external diameter of hydraulic pressure support cylinder piston rod, the size design of installation frame column and floating type well drilling are put down
The factor such as height limitation of Drilling derrick is influenceed at the top of platform, and structure design is carried out to guider, and separately designing calculating includes rail
It is high, rail is wide, the head breadth, head height, waist height, the directive wheel including bottom height, waist thickness etc. and guiding size of wheel and match parameter, guide rail base
This dimensional parameters；
S5-3, guider mechanical analysis and simulation study：Choose one group of directive wheel and I-shaped line slideway is used as and ground
Study carefully object, it is established that mechanics analysis model, guider threedimensional model is then established according to mechanics analysis model and carried out limited
First simulation analysis, principal strain and meter Sai Si stress and its strain-responsive rule at diverse location are analyzed according to simulation architecture, carried out
Guider middle guide responds simulation study, and analysis guide rail should with principal strain at directive wheel contact area diverse location and meter Sai Si
Power and strain-responsive rule.
The present invention has advantages below：
1st, the present invention considers that load of the floating overhead traveling crane formed in marine drilling operation process is very big, has devised energy
The hydraulic cylinder support meanss of enough cushion loads and emergency lock function, ensure that the normal work of motion compensating system, avoid because
The disturbance of external environment and cause piston play and compensation system it is possible that because shock loading and caused by
The problems such as stability of strutting system.
2nd, the present invention can design the hydraulic pressure branch of Different structural parameters according to different overhead traveling crane heave compensation system working environments
Support system, improve the adaptability of overhead traveling crane heave compensation system.
3rd, present invention introduces the analysis of hydraulic circuit simulation analysis and guider mechanical analysis and simulation study, it specify that support
Power changes over time parameter and demonstrates the intensity of hydraulic circuit and the structural strength of guider, improves locking guiding mechanism
The reliability of design result.The compensation efficiency of overhead traveling crane compensation device and the purpose of reliability are improved so as to reach.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in figure 1, a kind of crown-block heave compensator locking guidance system construction design method, comprises the following steps：
S1, overall plan design；
S2, hydraulic support cylinder parameter designing；
S3, hydraulic circuit design；
S4, hydraulic circuit simulation analysis；
S5, guide design and intensive analysis.
In step S1, overall plan design includes following sub-step：
S1-1, locking Hydraulic Circuit Design overall plan：Separately design hydraulic cylinder, possess the hydraulic locking of hydraulic control one-way valve
Loop, three position four-way directional control valve, direct acting type sequence valve and unidirectional volume adjustable hydraulic pump are let out in internal control；
S1-2, guide design overall plan：Line slideway phase interworking using directive wheel with similar i-beam structure
The form of conjunction.
In step S2, hydraulic support cylinder parameter designing includes following sub-step：
S2-1, the design of hydraulic circuit principle：Designed according to overall plan in step S1, driven with reference to using rack-and-pinion machinery
The Active Compensation mode feature of dynamic formula, Double-hydraulic support system schematic diagram is designed, consider floating overhead traveling crane in marine drilling operation
Load formed in journey is very big, provides hydraulic thrust in rack-and-pinion active mechanical compensation process using hydraulic support cylinder, protects
The normal work of motion compensating system is demonstrate,proved, then carries out Double-hydraulic support meanss design；
S2-2, hydraulic support cylinder design of Structural Parameters：Hydraulic pressure branch is can obtain by carrying out stress balance equation to hydraulic cylinder
It is that pressure and floating overhead traveling crane load sum in hydraulic support cylinder rod chamber to support cylinder rodless cavity pressure, and the power heaves for overhead traveling crane
In the movement compensation process of compensation device；
S2-3, gas-liquid accumulator design of Structural Parameters：Hydraulic pressure branch can obtain by the hydraulic support cylinder cylinder diameter of design
Support rodless cavity area in cylinder；When crown-block heave compensator is in locking poised state, i.e., hydraulic support cylinder has carried floating
Overhead traveling crane hangs dead load, then the initial pressure of rodless cavity in one group of hydraulic support cylinder cylinder can be calculated；Pass through initial pressure, two
Hydraulic medium volume sum and the equation of gas state can obtain gas storage tank volume in the rodless cavity of group hydraulic support cylinder；Design is worked as
When piston rod is fully extended in hydraulic support cylinder, gas-liquid accumulator discharges institute's storage energy all for providing passive support force,
Obtain the active drive power of mechanical driving mechanism；Consider floating platform maximum heave movement can obtain hydraulic system maximum stream flow and
Pipe aperture；
S2-4, rigidity and damping design：The pressure of piston is equal to by compressed gas by gas in gas-liquid accumulator
Elastic restoring force, gas-liquid spring rate in accumulator is can obtain, while by calculating the viscous damping of liquid in hydraulic cylinder
The pressure loss caused by power, it can obtain fluid adhesive resistance coefficient in hydraulic support cylinder.
In step S3, hydraulic circuit design includes following sub-step：
Hydraulic circuit master-plan in S3-1, hydraulic support cylinder：Using 3-position 4-way electro-hydraulic proportion reversing valve conduct
Hydraulic support cylinder rod chamber pressure and the control valve of unidirectional variable delivery hydraulic pump discharge pressure are connected, is compared only with pump control mode
Hydraulic circuit, because in the movement compensation process of crown-block heave compensator, hydraulic pump is it sometimes appear that entrance enters oil pressure
Power is more than the situation of hydraulic fluid pressure in outlet hydraulic shoring rod chamber so that the work operating mode of hydraulic pump is changed into drive electricity
Motivation is in the hydraulic motor operating mode of generating state, during this can by part energy consumption on motor resistance heating,
Reduce system capacity utilization rate and the reliability of motor；Then respectively by the load of floating overhead traveling crane, hydraulic support cylinder, hydraulic pressure branch
Support cylinder rodless cavity pressure gauge, hydraulic support cylinder rod chamber pressure gauge, two-way cover-plate type inserted valve one, bi-bit bi-pass hydraulic pilot control
Reversal valve processed, 3-position 4-way electro-hydraulic proportion reversing valve, two-way cover-plate type inserted valve two, two-position two-way electromagnetic directional valve, motor,
Counterbalance valve, stop valve, accumulator, unidirectional volume adjustable hydraulic pump, direct acting type overflow valve, hydraulic oil container are according to two groups of hydraulic support cylinders
Rod chamber regulation using pump control add valve control control mode design hydraulic support cylinder hydraulic circuit；
S3-2, the design of hydraulic locking loop：Set at bi-bit bi-pass Hydraulic guide control reversal valve in hydraulic circuit
Put two groups of combination hydraulic locking/deceleration valves, this two groups of combination hydraulic lockings/deceleration valve combination enable to floating overhead traveling crane and
It hangs the optional position being supported in heave compensation path and is locked.
In step S4, hydraulic circuit simulation analysis specifically include following steps：Utilizing works system emulation modeling environment, and
According to establishing hydraulic pressure time system simulation model according to model parameter designed in S2-2~S2-4 and solving, according to simulation result
Analyze the floating overhead traveling crane kinematic parameter after hydraulic support cylinder provides passive support force compensating and change over time rule；If motion bit
Move scope and be less than floating drilling platform maximum heave movement amplitude, then calculate compensation efficiency and carry out step S5；If motion bit
Move scope and be equal to or more than floating drilling platform maximum heave movement amplitude, then return and redesign in calculating S2-2~S2-4
Parameter with increase hydraulic support cylinder offer passive support force.
In step S5, guide design includes following sub-step with intensive analysis：
S5-1, the contrast of guide frame function and selection：Filled with reference to crown-block heave compensator in motion process to being oriented to
The form and symmetrical cloth that the function and structure requirement put is cooperated using directive wheel with the line slideway of similar i-beam structure
Meter guider is installed, and selects initial configuration of the wheel track guider as crown-block heave compensator guide design
Scheme；
S5-2, the design of guider detailed construction：According to《Mechanical design handbook》The design standard of middle pair roller and track
It is required that the axial length of floating overhead traveling crane, the external diameter of hydraulic pressure support cylinder piston rod, the size of installation frame column are set selected by consideration
The factor such as height limitation of Drilling derrick is influenceed at the top of meter and floating drilling platform, and structure design is carried out to guider, point
She Ji not calculate includes that rail is high, rail is wide, the head breadth, head height, waist height, bottom height, waist thickness etc. and guiding size of wheel and match parameter exist
Interior directive wheel, guide rail parameters of basic dimensions；
S5-3, guider mechanical analysis and simulation study：Choose one group of directive wheel and I-shaped line slideway is used as and ground
Study carefully object, it is established that mechanics analysis model, guider threedimensional model is then established according to mechanics analysis model and carried out limited
First simulation analysis, principal strain and meter Sai Si stress and its strain-responsive rule at diverse location are analyzed according to simulation architecture, carried out
Guider middle guide responds simulation study, and analysis guide rail should with principal strain at directive wheel contact area diverse location and meter Sai Si
Power and strain-responsive rule.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (4)
1. a kind of crown-block heave compensator locks guidance system construction design method, it is characterised in that：Comprise the following steps：
S1, overall plan design；
S2, hydraulic support cylinder parameter designing；
S3, hydraulic circuit design；
S4, hydraulic circuit simulation analysis；
S5, guide design and intensive analysis；
In step S1, overall plan design includes following sub-step：
S1-1, locking Hydraulic Circuit Design overall plan：The hydraulic locking for separately design hydraulic cylinder, possessing hydraulic control one-way valve returns
Road, three position four-way directional control valve, direct acting type sequence valve and unidirectional volume adjustable hydraulic pump are let out in internal control；
S1-2, guide design overall plan：Cooperated using directive wheel with the line slideway of similar i-beam structure
Form；
In step S2, hydraulic support cylinder parameter designing includes following sub-step：
S2-1, the design of hydraulic circuit principle：Designed according to overall plan in step S1, with reference to using rack-and-pinion mechanically driver type
Active Compensation mode feature, design Double-hydraulic support system schematic diagram, consider floating overhead traveling crane in marine drilling operation process
The load formed is very big, provides hydraulic thrust in rack-and-pinion active mechanical compensation process using hydraulic support cylinder, ensures fortune
The normal work of dynamic compensation system, then carries out Double-hydraulic support meanss design；
S2-2, hydraulic support cylinder design of Structural Parameters：Hydraulic support cylinder is can obtain by carrying out stress balance equation to hydraulic cylinder
Rodless cavity pressure is that pressure and floating overhead traveling crane load sum in hydraulic support cylinder rod chamber, and the power is used for overhead traveling crane heave compensation
In the movement compensation process of device；
S2-3, gas-liquid accumulator design of Structural Parameters：Hydraulic support cylinder can obtain by the hydraulic support cylinder cylinder diameter of design
Interior rodless cavity area；When crown-block heave compensator is in locking poised state, i.e., hydraulic support cylinder has carried floating overhead traveling crane
Dead load is hung, then the initial pressure of rodless cavity in one group of hydraulic support cylinder cylinder can be calculated；Pass through initial pressure, two groups of liquid
Hydraulic medium volume sum and the equation of gas state in the rodless cavity of shoring is pressed to can obtain gas storage tank volume；Hydraulic pressure is worked as in design
When piston rod is fully extended in shoring, gas-liquid accumulator release institute storage energy obtains all for providing passive support force
The active drive power of mechanical driving mechanism；Consider that floating platform maximum heave movement can obtain hydraulic system maximum stream flow and oil pipe
Internal diameter；
S2-4, rigidity and damping design：The pressure of piston is equal to by the elasticity of compressed gas by gas in gas-liquid accumulator
Restoring force, gas-liquid spring rate in accumulator is can obtain, while by calculating the viscous damping forces institute of liquid in hydraulic cylinder
Cause the pressure loss, can obtain fluid adhesive resistance coefficient in hydraulic support cylinder.
2. a kind of crown-block heave compensator locking guidance system construction design method according to claim 1, its feature
It is：In step S3, hydraulic circuit design includes following sub-step：
Hydraulic circuit master-plan in S3-1, hydraulic support cylinder：Using 3-position 4-way electro-hydraulic proportion reversing valve as connection
The control valve of hydraulic support cylinder rod chamber pressure and unidirectional variable delivery hydraulic pump discharge pressure；
S3-2, the design of hydraulic locking loop：Two are set at bi-bit bi-pass Hydraulic guide control reversal valve in hydraulic circuit
Group combination hydraulic locking/deceleration valve, this two groups of combination hydraulic lockings/deceleration valve combination enable to floating overhead traveling crane and its institute
The optional position being supported in heave compensation path is hung to be locked.
3. a kind of crown-block heave compensator locking guidance system construction design method according to claim 2, its feature
It is：In step S4, hydraulic circuit simulation analysis specifically include following steps：Utilizing works system emulation modeling environment, and root
Hydraulic pressure time system simulation model is established according to model parameter designed in S2-2~S2-4 and is solved, and is passed through according to analysis of simulation result
Hydraulic support cylinder provides the passive floating overhead traveling crane kinematic parameter supported after force compensating and changes over time rule；If moving displacement scope
Less than floating drilling platform maximum heave movement amplitude, then calculate compensation efficiency and carry out step S5；If moving displacement scope
Equal to or more than floating drilling platform maximum heave movement amplitude, then return redesign calculate parameter in S2-2~S2-4 with
Increase the passive support force that hydraulic support cylinder provides.
4. a kind of crown-block heave compensator locking guidance system construction design method according to claim 1, its feature
It is：In step S5, guide design includes following sub-step with intensive analysis：
S5-1, the contrast of guide frame function and selection：With reference to crown-block heave compensator in motion process to guider
Function and structure requirement uses the form of directive wheel and the line slideway mutual cooperation of similar i-beam structure and is arranged symmetrically and sets
Guider is counted, and selects initial configuration side of the wheel track guider as crown-block heave compensator guide design
Case；
S5-2, the design of guider detailed construction：Required according to the design standard of pair roller and track, floating day selected by consideration
The axial length of car, the external diameter of hydraulic pressure support cylinder piston rod, the size design of installation frame column and floating drilling platform top
The factors such as the height limitation of portion's Drilling derrick are influenceed, and structure design is carried out to guider, and separately designing calculating includes rail height, rail
Directive wheel, guide rail basic size including width, the head breadth, head height, waist height, bottom height, waist thickness and guiding size of wheel and match parameter
Parameter；
S5-3, guider mechanical analysis and simulation study：One group of directive wheel and I-shaped line slideway are chosen as research pair
As, it is established that mechanics analysis model, guider threedimensional model is then established according to mechanics analysis model and carries out finite element and is imitated
True analysis, principal strain and meter Sai Si stress and its strain-responsive rule at diverse location are analyzed according to simulation architecture, are oriented to
Device middle guide responds simulation study, at analysis guide rail and directive wheel contact area diverse location principal strain and meter Sai Si stress with
And strain-responsive rule.
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| CN201610595573.2A CN106672802B (en) | 2016-07-27 | 2016-07-27 | A kind of overhead traveling crane compensation device locks guidance system construction design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595573.2A CN106672802B (en) | 2016-07-27 | 2016-07-27 | A kind of overhead traveling crane compensation device locks guidance system construction design method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101654145B (en) * | 2009-09-30 | 2012-06-27 | 宝鸡石油机械有限责任公司 | Ocean floating type drilling platform crown-block heave compensator |
| CN203513112U (en) * | 2013-09-26 | 2014-04-02 | 江西华伍制动器股份有限公司 | Hydraulic compensation device of wheel brake |
| CN203476248U (en) * | 2013-09-30 | 2014-03-12 | 四川宏华石油设备有限公司 | Semi-active type crown block heave compensation device |
| CN105174050B (en) * | 2015-09-01 | 2017-02-01 | 毕景睿 | Improved crown block positioning device and positioning method thereof |
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