CN104264647B - Self-elevating drilling platform cantilever beam sliding device - Google Patents

Self-elevating drilling platform cantilever beam sliding device Download PDF

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Publication number
CN104264647B
CN104264647B CN201410531095.XA CN201410531095A CN104264647B CN 104264647 B CN104264647 B CN 104264647B CN 201410531095 A CN201410531095 A CN 201410531095A CN 104264647 B CN104264647 B CN 104264647B
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gear
cantilever beam
tooth bar
driving gear
wheel assembly
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CN201410531095.XA
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CN104264647A (en
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石会立
张廷忠
张泽
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Sichuan Honghua Petroleum Equipment Co Ltd
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Sichuan Honghua Petroleum Equipment Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention relates to the field of mobile type drilling facilities, particularly to a self-elevating drilling platform cantilever beam sliding device. The self-elevating drilling platform cantilever beam sliding device comprises a multi-level planetary reducer and a sliding machine body; a power source which is arranged beside the multi-level planetary reducer drives an internal gear of the multi-level planetary reducer to rotate and the rotating direction can be changed; the sliding machine body is installed on a main deck of a platform; a gear pair is installed inside the sliding machine body; the gear pair is connected with an output shaft of the multi-level planetary reducer; the exterior of the sliding machine body is provided with a driving gear which is driven by an output shaft of the gear pair; the exterior of the sliding body is provided with a rolling wheel assembly; the rolling wheel assembly is arranged above or below the driving gear; a rack is arranged between the rolling wheel assembly and the driving gear in a flat mode; teeth on one side of the rack are engaged with the driving gear; the other side of the rack is matched with the rolling wheel assembly; the rack is fixedly connected with a cantilever beam. The self-elevating drilling platform cantilever beam sliding device has the advantages of being high in safety reliability, large in bearing capability, high in working efficiency and accurate in positioning.

Description

A kind of self-elevating drilling platform cantilever beam slide device
Technical field
The present invention relates to portable drilling facilities field, particularly a kind of self-elevating drilling platform cantilever beam slide device.
Background technology
In gas and oil in sea exploitation now, self-elevating drilling platform is the portable drilling facilities being most widely used at present, and cantilever beam slide device is responsible for drilling platforms movement between different well locations and location, in order to complete multi-well location drillng operation.The design of slide device is always highly valued in Platform Designing, and the quality of its performance directly affects safety and the using effect of platform.
At present, self-elevating drilling platform cantilever beam slide device uses hydraulic bolt step-by-step movement slide device mostly, and the shortcoming of this device has:
1. the necessary perforate of cantilever beam sidepiece latch guide pass, in order to latch inserts smoothly, and guarantee sliding Hydraulic Cylinder cantilever beam translates.Latch guide pass perforate processing difficulties, when particularly track is longer, perforate is more difficult, adds processing cost.
2. when latch moves, catch top directly contacts with guide pass, easily causes guide pass and scratch when frictional force is bigger, meanwhile, during latch work, latch is concentrated bigger with stress at the corresponding pin hole on guide rail, often lead to local damage at guide rail pin hole, poor reliability and bearing capacity limited.
3. during cantilever beam reverse shuffle, needing to be commutated by latch manually, bolt-type slide device is manner of walking translation simultaneously, and work efficiency is relatively low and is difficult to be accurately positioned.
4. sliding hydraulic pressure quantity is more and requires higher to the synchronicity of sliding hydraulic pressure, controls difficulty bigger.
Summary of the invention
The problem existed for prior art, the goal of the invention of the present invention is to provide a kind of, security reliability high, bearing capacity is big, work efficiency is high, accurate positioning, cantilever beam slide device.
To achieve these goals, the technical solution used in the present invention is:
A kind of self-elevating drilling platform cantilever beam slide device, it is installed on platform main deck, is positioned at by described cantilever beam, comprising:
Sliding body, it is hinged on described platform main deck;
Driving gear, it is arranged on described sliding body, and is driven by driving means, and to drive the quantity of gear be one, two or more;
Roll wheel assembly, it is arranged on described sliding body, and quantity is one, two or more;
Tooth bar, it is fixing on a cantilever beam, and the side of described tooth bar is engaged with described driving gear, and the opposite side of described tooth bar coordinates with roll wheel assembly.
Present invention employs the mode of gear driving rack to drive the movement of cantilever beam, compared with using hydraulic bolt step-wise fashion with prior art, it is no longer necessary in cantilever beam sidepiece latch guide pass perforate, security reliability is high, bearing capacity is big, and during cantilever beam reverse shuffle, it is only necessary to controlling driving means makes driving gear rotate backward, work efficiency is high, accurate positioning, when there being multiple slide device of the present invention, only need to be uniformly controlled and switch, control difficulty low;When described tooth bar is driven, drive gear in generation moment loading to sliding body bottom hinge node of the engagement force of tooth bar, so that sliding body is around hinge node minor rotation, now, it is positioned at the active force that the roll wheel assembly of tooth bar top or bottom produces with tooth bar up or down plane contact, underneath hinges node is produced opposing torque, the generation moment of sliding body bottom hinge node is mutually balanced by this opposing torque and driving gear in the engagement force of tooth bar, so can float and adjust the work sideshake driven between gear and tooth bar, connect with hour rack and cantilever beam are fixing, sliding body is made to keep balance.
Preferred version as the present invention, described driving means includes multistage planet decelerator and drive disk assembly, being provided with power source by described multistage planet decelerator drives its internal gear to rotate, described drive disk assembly includes the gear pair being arranged on sliding internal body, this gear pair is connected with the output shaft of described multistage planet decelerator, described gear pair output shaft drives described driving gear, described multistage planet decelerator is arranged on described sliding plane body side surface, be positioned at described roll wheel assembly, drive the relative side of gear, integrated level is higher, saves space.
As the preferred version of the present invention, described sliding organism bottom is articulated with on described platform main deck, and the plane that sliding plane body can rotate around this pin joint is parallel with tooth bar plane of motion, and described rack welding includes in described cantilever beam sidepiece, described roll wheel assembly:
Roller shaft, it is fixedly installed in described sliding plane body side surface;
Oscillating bearing, it is sleeved on described roller shaft;
Roller, it is sleeved on described oscillating bearing.
Oscillating bearing in described roll wheel assembly has certain anglec of rotation surplus, can automatically compensate the Form and position error on tooth bar.
As the preferred version of the present invention, described power source is motor, is arranged on the input of multistage planet decelerator, is connected with the power shaft of multistage planet decelerator.
Motor speed is very fast, and being slowed down by the gear pair in multistage planet decelerator, sliding plane body increases square, and cantilever beam is produced low speed, the driving of high pulling torque, and the movement making cantilever beam is more stable.
As the preferred version of the present invention, described roll wheel assembly quantity, driving gear quantity are equal to two, and two roll wheel assemblies are positioned at sustained height, and two drive gears to be positioned at sustained height, and described tooth bar lies against described roller and drives between gear.
This structure makes the clamping to tooth bar more stable.
Preferred version as the present invention, it is installed with hold-down support on described platform main deck, it is provided with pin shaft hole, described sliding body lower end is provided with and the pin shaft hole of hold-down support upper pin hole formed objects, by a bearing pin through said two pin shaft hole, described sliding body is made to be articulated with on hold-down support.
As the preferred version of the present invention, described roller shaft is ladder oblique crank Z, and its bigger diameter end is secured by bolts in described sliding plane body side surface, and described oscillating bearing is installed on the miner diameter end of described roller shaft, spacing by a cover plate.
Preferred version as the present invention, described driving gear is positioned at below described roll wheel assembly, bottom described tooth bar, tooth is set, engage with driving gear, described tooth bar top is plane, coordinates below described roller, is provided with initial assemblage gap between described tooth bar top and described roller, ensure that the registration driving gear and tooth bar, more than 1, meets the condition of engagement continuously.
The invention has the beneficial effects as follows:
Security reliability is high, bearing capacity is big, work efficiency is high, accurate positioning, and driving gear is floating mount relative to tooth bar, can efficiently reduce tooth bar geometry deformation in the longitudinal direction or the bending impact on transmission.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vertical view of the present invention.
Fig. 2 is that the driving wheel and rack of the present invention arranges schematic diagram.
Fig. 3 is the side arrangement schematic diagram of the present invention.
Fig. 4 is the roll wheel assembly structural representation of the present invention.
Labelling in figure: 1-sliding body, 2-tooth bar, 3-roll wheel assembly, 4-drives gear, 5-hold-down support, 6-platform main deck, 7-cantilever beam, 8-brake, 9-motor, 10-multistage planet decelerator, the little gear of 11-, 12-gear wheel, 13-bearing pin, 14-roller, 15-oscillating bearing, 16-roller shaft, 17-cover plate.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail.But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, and the technology that all summary of the invention based on the present invention are realized belongs to the scope of the present invention.
Embodiment 1
A kind of self-elevating drilling platform cantilever beam 7 slide device, it is installed on platform main deck 6, is positioned at described cantilever beam 7 other, comprising:
Multistage planet decelerator 10, it is arranged on described sliding body 1 side, be positioned at described roll wheel assembly 3, drive the side that gear 4 is relative, multistage planet decelerator 10 is other to be provided with power source and drives its internal gear to rotate, and rotation direction can change;
Sliding body 1, it is installed on described platform main deck 6, described sliding body 1 is internally provided with gear pair, this gear pair is connected with the output shaft of described multistage planet decelerator 10, it is driven by, outside being provided with of described sliding body 1 is exported shaft-driven driving gear 4 by described gear pair, its quantity equals to or more than two, described sliding body 1 is outside is also equipped with roll wheel assembly 3, it is positioned at above or below described driving gear 4, roll wheel assembly 3 and said two drive to keep flat between gear 4 and are provided with tooth bar 2, the tooth of tooth bar 2 side engages with described driving gear 4, tooth bar 2 opposite side coordinates with described roll wheel assembly 3, described tooth bar 2 is fixing with described cantilever beam 7 to be connected.
In the present embodiment, being articulated with on described platform main deck 6 bottom described sliding body 1, described tooth bar 2 is welded in described cantilever beam 7 sidepiece;nullDescribed power source is motor 9,It is arranged on the input of multistage planet decelerator 10,It is connected with the power shaft of multistage planet decelerator 10,It is provided with three-stage planetary gear in described multistage planet decelerator 10,From the beginning of the output shaft of the motor 9 input junction with multistage planet decelerator 10,Output shaft to multistage planet decelerator 10,Carry out slowing down and increase square (reduce rotating speed and increase moment of torsion),Gear pair in sliding body 1 is at least two pairs,The gear vice division chief that the output shaft of multistage planet decelerator 10 is connected,For the little gear 11 in gear pair,Its quantity is one,This little gear 11 is connected with the gear wheel 12 at least two gear pair respectively,The axle of gear wheel 12 connects driving gear 4 by the output shaft of gear pair again,Realize the transmission of power,From the beginning of multistage planet decelerator 10 output shaft power shaft junction with gear pair,Output shaft and driving gear 4 junction to described gear pair,Once can be slowed down increasing square,Simultaneously the power output of unique output shaft of multistage planet decelerator 10,Shared on driving gear 4 by gear pair;On the output shaft of described motor 9, brake 8 is installed, when not working, is in on-position, during cantilever beam 7 sliding, brake 8 is unlocked.
In the present embodiment, described roll wheel assembly 3 quantity is equal to two, and single roll wheel assembly 3 includes:
Roller shaft 16, it is fixedly installed in described sliding body 1 side;
Oscillating bearing 15, it is sleeved on described roller shaft 16;
Roller 14, it is sleeved on described oscillating bearing 15.
Described roller shaft 16 is ladder oblique crank Z, and its bigger diameter end is secured by bolts in sliding body 1 side, and described oscillating bearing 15 is installed on the miner diameter end of described roller shaft 16, spacing by a cover plate 17
In the present embodiment, described driving gear 4 quantity is equal to two, two roll wheel assemblies 3 are positioned at sustained height, two drive gear 4 to be positioned at sustained height, described driving gear 4 is positioned at below described roll wheel assembly 3, bottom described tooth bar 2, tooth is set, engage with driving gear 4, described tooth bar 2 top is plane, coordinate with below described roller 14, it is provided with initial assemblage gap between described tooth bar 2 top and described roller 14, ensure that the registration driving gear 4 and tooth bar 2 is more than 1, less than 1.981, described roll wheel assembly 3, drive the corresponding installation of gear about 4, described tooth bar 2 lies against described roller 14 and drives between gear 4.
It is installed with hold-down support 5 on described platform main deck 6, it is provided with pin shaft hole, described sliding body 1 lower end is provided with and the pin shaft hole of hold-down support 5 upper pin hole formed objects, by a bearing pin 13 through said two pin shaft hole, described sliding body 1 is made to be articulated with on hold-down support 5, said structure makes two to drive gears 4 relative to tooth bar 2 floating mount, so can efficiently reduce tooth bar 2 geometry deformation in the longitudinal direction or the bending impact on transmission.
Work process:
Brake 8 is arranged on the output shaft of motor 9, is in on-position when not working;During cantilever beam 7 sliding, brake 8 is unlocked, start motor 9, after increasing square by multistage planet decelerator 10, little gear 11 with gear wheel 12 gear transmission reducing, drive two groups to drive engaging of gears 4 and the tooth bar 2 being fixed on cantilever beam 7 respectively.Drive gear 4 in generation moment loading to sliding body 1 underneath hinges node of the engagement force of tooth bar 2, so that sliding body 1 is around hinge node minor rotation, now, it is positioned at the active force that the roll wheel assembly 3 on tooth bar 2 top produces with plane contact on tooth bar 2, underneath hinges node is produced opposing torque, the generation moment of sliding body 1 underneath hinges node is mutually balanced by this opposing torque with the engagement force of driving gear 4 with tooth bar 2, so can float and adjust the work sideshake driven between gear 4 and tooth bar 2.
Adjust the initial assemblage gap of roll wheel assembly 3 and tooth bar 2 top, it is ensured that drive the registration of gear 4 and tooth bar 2 more than 1, meet continuous meshing condition.
Two groups of engagement forces driving gear 4 and tooth bar 2 can be divided into horizontal direction component and vertical direction component, and vertical direction component can be conducted oneself with dignity with balance portion cantilever beam 7, thus reduces its sliding friction resistance caused because of deadweight;Horizontal direction component drives cantilever beam 7 low speed transitional care, thus completes cantilever beam 7 sliding operation.
After cantilever beam 7 sliding operation completes, after motor 9 dead electricity, brake 8 is in on-position, thus cantilever beam 7 is locked in relevant position safely and reliably.

Claims (1)

1. a self-elevating drilling platform cantilever beam slide device, it is installed on platform main deck, is positioned at by described cantilever beam, comprising:
Sliding body, it is hinged on described platform main deck;
Driving gear, it is arranged on described sliding body, and is driven by driving means;
Roll wheel assembly, it is arranged on described sliding body;
Tooth bar, its flatwise fixing on a cantilever beam, the side of described tooth bar is engaged with described driving gear, and the opposite side of described tooth bar coordinates with roll wheel assembly;Described driving means includes multistage planet decelerator and drive disk assembly, being provided with power source by described multistage planet decelerator drives its internal gear to rotate, described drive disk assembly includes the gear pair being arranged on sliding internal body, this gear pair is connected with the output shaft of described multistage planet decelerator, described gear pair output shaft drives described driving gear, described multistage planet decelerator is arranged on described sliding plane body side surface, be positioned at described roll wheel assembly, drive the relative side of gear;Described rack welding includes in described cantilever beam sidepiece, described roll wheel assembly:
Roller shaft, it is fixedly installed in described sliding plane body side surface;
Oscillating bearing, it is sleeved on described roller shaft;
Roller, it is sleeved on described oscillating bearing;Described power source is motor, is arranged on the input of multistage planet decelerator, is connected with the power shaft of multistage planet decelerator, is provided with three-stage planetary gear in described multistage planet decelerator;Described roll wheel assembly quantity, driving gear quantity are equal to two, and two roll wheel assemblies are positioned at sustained height, and two drive gears to be positioned at sustained height, and described tooth bar lies against between described roll wheel assembly and described driving gear;It is installed with hold-down support on described platform main deck, it is provided with pin shaft hole, described sliding body lower end is provided with and the pin shaft hole of hold-down support upper pin hole formed objects, by a bearing pin through two described pin shaft holes, makes described sliding body be articulated with on hold-down support;Described roller shaft is ladder oblique crank Z, and its bigger diameter end is secured by bolts in described sliding plane body side surface, and described oscillating bearing is installed on the miner diameter end of described roller shaft, spacing by a cover plate;Described driving gear is positioned at below described roll wheel assembly, arranges tooth bottom described tooth bar, engages with driving gear, described tooth bar top is plane, coordinate with below described roller, between described tooth bar top and described roller, be provided with initial assemblage gap, it is ensured that drive the registration of gear and tooth bar more than 1;
Gear pair in sliding plane body is at least two pairs, the gear vice division chief that the output shaft of multistage planet decelerator is connected, for the little gear in gear pair, its quantity is one, this little gear is connected with the gear wheel at least two gear pair respectively, the axle of gear wheel connects driving gear by the output shaft of gear pair again, realize the transmission of power, from the beginning of the multistage planet reducer output shaft power shaft junction with gear pair, output shaft and driving gear junction to described gear pair, once can be slowed down increasing square, simultaneously the power output of unique output shaft of multistage planet decelerator, shared on driving gear by gear pair;On the output shaft of described motor, brake is installed, when not working, is in on-position, during cantilever beam sliding, brake is unlocked.
CN201410531095.XA 2014-10-10 2014-10-10 Self-elevating drilling platform cantilever beam sliding device Active CN104264647B (en)

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CN109736281A (en) * 2019-01-04 2019-05-10 武汉船用机械有限责任公司 Gear rack lifting system
CN109669216B (en) * 2019-02-11 2024-02-06 中国石油天然气集团有限公司 Wireless while-drilling gamma measurement unit test system and use method
CN113819202A (en) * 2021-08-20 2021-12-21 中国重型机械研究院股份公司 Stability device based on gear and rack meshing and application
CN117646602B (en) * 2023-12-11 2024-06-04 冀凯河北机电科技有限公司 Arm that drilling equipment was used

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CN201546212U (en) * 2009-11-30 2010-08-11 中国船舶工业集团公司第七○八研究所 Vertical and horizontal mobile device for self-lifting type drilling platform cantilever
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CN204098003U (en) * 2014-10-10 2015-01-14 四川宏华石油设备有限公司 A kind of self-elevating drilling platform cantilever beam slide device

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