CN204080776U - There is the self-elevating drilling platform lifting actuator of overload protection function and adopt its offshore boring island - Google Patents
There is the self-elevating drilling platform lifting actuator of overload protection function and adopt its offshore boring island Download PDFInfo
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- CN204080776U CN204080776U CN201420366020.6U CN201420366020U CN204080776U CN 204080776 U CN204080776 U CN 204080776U CN 201420366020 U CN201420366020 U CN 201420366020U CN 204080776 U CN204080776 U CN 204080776U
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Abstract
The utility model discloses a kind of self-elevating drilling platform lifting actuator with overload protection function; it comprises: motor, parallel-axes gears reduction box and planetary gear reduction box; parallel-axes gears reduction box connects planetary gear reduction box; planetary gear reduction box drives the seven tooth axles that climb to rotate; the output shaft of described motor connects the power shaft of parallel-axes gears reduction box by torque limiter; torque limiter connecting sensor, sensor connects electric machine controller.It can control the work of transmission device in time during lifting platform when transmission device load exceedes transmission device load limit.
Description
Technical field
The utility model relates to a kind of self-elevating drilling platform lifting actuator, particularly relates to a kind of self-elevating drilling platform lifting actuator with overload protection function.
Background technology
Self-elevating drilling platform belongs to marine mobile platform, because its stationkeeping ability is strong and job stabilization is good, in the oil-gas exploration and development of continental shelf sea area, occupies critical role.Self-elevating drilling platform is primarily of compositions such as platform structure, spud leg, elevating mechanism, drilling rig (comprising power-equipment and crane gear) and life buildings (comprising helicopter platform).Platform operationally with elevating mechanism by more than platform raising to sea, make it from sea beat, rely on the supported standing of spud leg to carry out drillng operation in seabed.After finishing the work, fall platform to sea, pull up spud leg and risen to towage position, get final product towage to next well location operation.
Self-elevating drilling platform lifting gear is key and the core component of self-elevating drilling platform lifting, also be the difficult point of self-elevating drilling platform Design and manufacture simultaneously, manufacturing and designing and always being paid much attention in using at platform, the quality of its performance directly has influence on the security performance of platform, functional performance and economy.According to the difference of platform gross weight and operating load, every stage+module 36-72 overlaps the lifting actuator of the same specification do not waited.Every two lifting actuators are arranged on by symmetry the both sides that every pile moves back tooth bar.When job platform or spud leg lifting, all lifting actuators work together, have worked in coordination with the lifting to job platform or spud leg.Due in platform or spud leg lifting process; platform may produce the situation such as inclination a little or spud leg distortion in tolerance band; will cause carrying inequality when lifting gear part; there is short-time overload phenomenon in individual elevation transmission device; as No-mistake Principle defencive function; or take parking to redistribute other measures such as load, the overload of lifting actuator will be caused to damage, the serious accident such as even may cause the downslide of whole platform under serious conditions, topple.
Utility model content
The purpose of this utility model is exactly solve an above-mentioned difficult problem; there is provided a kind of self-elevating drilling platform lifting actuator with overload protection function, it can control the work of transmission device in time during lifting platform when transmission device load exceedes transmission device load limit.
Another object of the present utility model is exactly the offshore boring island adopting above-mentioned transmission device.
The purpose of this utility model is realized by following structure, it comprises: motor, parallel-axes gears reduction box and planetary gear reduction box, parallel-axes gears reduction box connects planetary gear reduction box, planetary gear reduction box drives the seven tooth axles that climb to rotate, the output shaft of described motor connects the power shaft of parallel-axes gears reduction box by torque limiter, torque limiter is provided with displacement transducer, displacement transducer connection control device.
Described torque limiter comprises: drive end connector and driven end connector, driven end connector is provided with fixed disk, fixed disk is provided with groove, ball is placed in groove, drive end connector is established effect ring, dial is established at the rear of effect ring, and dial and effect interannular are provided with disc spring, effect ring is pressed on ball by disc spring, and effect ring is provided with displacement transducer.
Institute's displacement sensors is inductive displacement transducer or optical displacement sensor.
Described parallel-axes gears reduction box is provided with level Four gear pair with parallel axes.
The afterbody of the one-level gear pair with parallel axes of described parallel-axes gears reduction box connects disk type electromagnetic brake, disk type electromagnetic brake connection control device.
Described controller is electric machine controller or PLC.
The described climbing gear number of teeth of climbing seven tooth axles is 7, and modulus is 100.
The overall ratio of the level Four gear pair of described parallel-axes gears reduction box is: 389.1.
The NGW type planetary gear that described planetary gear reduction box is provided with two-stage series connection is secondary, and the resultant gear ratio of planetary gear reduction box is: 24.5.
The purpose of this utility model is realized by following structure; it comprises: platform; platform connects spud leg; described spud leg is provided with the self-elevating drilling platform lifting actuator with overload protection function of more than 1, and the displacement transducer had in the self-elevating drilling platform lifting actuator of overload protection function all connects on the controller.
The utility model is mounting torque limiter between the output shaft of motor and the power shaft of parallel-axes gears reduction box; in its use procedure; when lifting gear transmitting torque is lower than setting value; transmission device can normally work; when transmitting torque is higher than setting value, lifting gear enters overload protection state, and instantaneously can send overload signal to control system in overload; control system carries out overload process according to program, thus improves the security reliability of self-elevating drilling platform lifting gear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the amplification assumption diagram of torque limiter part.
Detailed description of the invention
The utility model comprises as shown in Figure 1: motor 1, parallel-axes gears reduction box 3 and planetary gear reduction box, parallel-axes gears reduction box connects planetary gear reduction box, planetary gear reduction box drives the seven tooth axles that climb to rotate, the output shaft of described motor 1 connects the power shaft of parallel-axes gears reduction box by torque limiter 2, torque limiter 2 is provided with displacement transducer 16, displacement transducer connection control device.Described controller is PLC.
Torque limiter comprises as shown in Figure 2: drive end connector 14 and driven end connector 15, driven end connector 15 is provided with fixed disk, fixed disk is provided with groove, ball is placed in groove, drive end connector 14 is established effect ring, dial is established at the rear of effect ring, and dial and effect interannular are provided with disc spring, effect ring is pressed on ball by disc spring, and effect ring is provided with displacement transducer 16.Institute's displacement sensors is inductive displacement transducer.
Level Four parallel-axes gears transmission is established in parallel-axes gears reduction box 4, one-level gear pair comprises: power input shaft 6 and one-level gear 7, secondary gear wheel set comprises: one-level gear 7 and secondary gear 8, tertiary gear pair comprises: secondary gear 8 and tertiary gear 9, and level Four gear pair comprises: tertiary gear 9 and level Four gear 10.One-level gear pair engagement secondary gear wheel set, secondary gear wheel set engagement tertiary gear is secondary, tertiary gear pair engagement level Four gear pair.The input of power input shaft 6 is connected with the driven end of torque limiter 2, the afterbody of power input shaft 6 installs a disk type electromagnetic brake 7, level Four gear 10 output connects the input of epicyclic gearbox 11, epicyclic gearbox 11 is made up of 2 grades of NGW Planetary Gear Transmission pairs, primary planet pinion transmission planet carrier 12 is connected with secondary planetary gear transmission sun gear 13, and secondary planetary gear transmission planet carrier 4 is connected with the seven tooth axles 5 that climb.The climbing gear number of teeth of seven tooth axles 5 of climbing is 7, and modulus is 100.Disk type electromagnetic brake connection control device.The overall ratio of the level Four gear pair of described parallel-axes gears reduction box 3 is: 389.1.The resultant gear ratio of planetary gear reduction box is: 24.5.
As improvement of the present utility model, electric machine controller also can be adopted as controller, and electric machine controller is electric-controlled switch, and electric machine controller is by the control start and stop motor of displacement transducer signal.
When lifting gear runs under normal load, motor 1 driving torque limiter 2 drive end connector rotates, drive end connector drives driven end to rotate by the some balls inlayed in a groove, torque limiter 2 driven end drives the one-level gear pair in parallel-shaft gearbox 4 to rotate, one-level gear pair drives secondary gear wheel set to rotate by engagement, secondary gear wheel set drives tertiary gear pair to rotate by engagement, tertiary gear pair drives level Four gear pair to rotate by engagement, the level Four gear drive primary planet pinion transmission planet carrier 12 of level Four gear pair rotates, primary planet pinion transmission planet carrier 12 drives secondary planetary gear transmission sun gear 13 to rotate, secondary planetary gear transmission sun gear 13 drives secondary planetary gear transmission planet carrier 4 to rotate by gears meshing, secondary planetary gear transmission planet carrier 4 drives the seven tooth axles 5 that climb to rotate, thus make platform or spud leg lifting.When seven tooth axle 5 bearing loads that climb exceed certain value, load is delivered on torque limiter 2 by driving-chain is reverse, originally be embedded in torque limiter 2 that some balls in groove are instantaneous skids off groove, the master of torque limiter 2 with from holding connector to be separated instantaneously, send the separation signal of telecommunication by displacement transducer 16 to controller, controller processes according to programming.
Offshore boring island comprises: platform; platform connects spud leg; described spud leg is provided with the self-elevating drilling platform lifting actuator with overload protection function of more than 1, and the displacement transducer had in the self-elevating drilling platform lifting actuator of overload protection function all connects on the controller.When the spud leg that offshore boring island is same only has 1-2 lifting gear to produce separation, controller can drive other the lifting gear do not overloaded to continue lifting platform or spud leg, now the load overloaded on lifting gear can be transferred on other lifting gears, when the load on former overload lifting gear drops to setting value, ball in torque limiter 2 will automatically reset under the pressure of disc spring, participate in normal operation.When same spud leg has the lifting gears generation more than 2 to be separated, controller is by the electrical source of power of all lifting gear motors that breaks, and the disk type electromagnetic brake 7 controlling parallel axes reduction box medium power power shaft 6 afterbody of lifting gear is closed is fixed by platform, then by artificial adjustment, each lifting gear being born carries evenly, then restart motor, open brake and continue lifting platform or spud leg.
Claims (10)
1. one kind has the self-elevating drilling platform lifting actuator of overload protection function; comprise: motor, parallel-axes gears reduction box and planetary gear reduction box; parallel-axes gears reduction box connects planetary gear reduction box; planetary gear reduction box drives the seven tooth axles that climb to rotate; be characterised in that: the output shaft of described motor connects the power shaft of parallel-axes gears reduction box by torque limiter; torque limiter is provided with displacement transducer, displacement transducer connection control device.
2. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1; it is characterized in that: described torque limiter comprises: drive end connector and driven end connector; driven end connector is provided with fixed disk; fixed disk is provided with groove, places ball, drive end connector is established effect ring in groove; dial is established at the rear of effect ring; dial and effect interannular are provided with disc spring, and effect ring is pressed on ball by disc spring, and effect ring is provided with displacement transducer.
3. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2, is characterized in that: institute's displacement sensors is inductive displacement transducer or optical displacement sensor.
4. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2, is characterized in that: described parallel-axes gears reduction box is provided with level Four gear pair with parallel axes.
5. the self-elevating drilling platform lifting actuator with overload protection function according to claim 4; it is characterized in that: the afterbody of the one-level gear pair with parallel axes of described parallel-axes gears reduction box connects disk type electromagnetic brake, disk type electromagnetic brake connection control device.
6. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2, is characterized in that: described controller is electric machine controller or PLC.
7. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2, is characterized in that: described in the climb climbing gear number of teeth of seven tooth axles be 7, modulus is 100.
8. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2, is characterized in that: the overall ratio of the level Four gear pair of described parallel-axes gears reduction box is: 389.1.
9. the self-elevating drilling platform lifting actuator with overload protection function according to claim 1 and 2; it is characterized in that: the NGW type planetary gear that described planetary gear reduction box is provided with two-stage series connection is secondary, and the resultant gear ratio of planetary gear reduction box is: 24.5.
10. adopt the offshore boring island with the self-elevating drilling platform lifting actuator of overload protection function according to claim 1; it comprises: platform; platform connects spud leg; it is characterized in that: described spud leg is provided with the self-elevating drilling platform lifting actuator with overload protection function of more than 1, the displacement transducer had in the self-elevating drilling platform lifting actuator of overload protection function all connects on the controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420366020.6U CN204080776U (en) | 2014-07-04 | 2014-07-04 | There is the self-elevating drilling platform lifting actuator of overload protection function and adopt its offshore boring island |
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| CN201420366020.6U CN204080776U (en) | 2014-07-04 | 2014-07-04 | There is the self-elevating drilling platform lifting actuator of overload protection function and adopt its offshore boring island |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106275340A (en) * | 2016-08-29 | 2017-01-04 | 武汉船用机械有限责任公司 | A kind of steering mechanism of all-direction propeller |
| CN106436045A (en) * | 2016-11-01 | 2017-02-22 | 闫瑞东 | Cloth feeding mechanism for eyelet button hole sewing machine |
| CN114527705A (en) * | 2022-02-17 | 2022-05-24 | 河南省奥瑞环保科技股份有限公司 | Energy-saving control management system for instruments and meters |
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2014
- 2014-07-04 CN CN201420366020.6U patent/CN204080776U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106275340A (en) * | 2016-08-29 | 2017-01-04 | 武汉船用机械有限责任公司 | A kind of steering mechanism of all-direction propeller |
| CN106436045A (en) * | 2016-11-01 | 2017-02-22 | 闫瑞东 | Cloth feeding mechanism for eyelet button hole sewing machine |
| CN106436045B (en) * | 2016-11-01 | 2019-05-17 | 闫瑞东 | A kind of eyelet buttonhole sewing machine cloth feeding mechanism |
| CN114527705A (en) * | 2022-02-17 | 2022-05-24 | 河南省奥瑞环保科技股份有限公司 | Energy-saving control management system for instruments and meters |
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