CN203238609U - Drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time - Google Patents
Drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time Download PDFInfo
- Publication number
- CN203238609U CN203238609U CN 201320047972 CN201320047972U CN203238609U CN 203238609 U CN203238609 U CN 203238609U CN 201320047972 CN201320047972 CN 201320047972 CN 201320047972 U CN201320047972 U CN 201320047972U CN 203238609 U CN203238609 U CN 203238609U
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- gear axle
- climbing gear
- transmission device
- drilling platform
- platform lifting
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Abstract
The utility model discloses a drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time. The drilling platform lifting transmission device comprises a motor, the motor is connected with a parallel-shaft gear reducer, the parallel-shaft gear reducer is connected with a planet gear reducer, the planet gear reducer is connected with a climb gear shaft, a torque measuring device is arranged on the climb gear shaft and capable of measuring the climb gear shaft torque directly, and measuring results are more accurate.
Description
Technical field
The utility model relates to a kind of drilling platform lifting transmission device of Real-Time Monitoring oneself state, relates in particular to a kind of drilling platform lifting transmission device of Real-Time Monitoring climbing gear axle moment of torsion.
Background technology
Self-elevating drilling platform is the capital equipment that is applied to the neritic area oil drilling, and general self-elevating drilling platform is made of three to four spud legs and a job platform, loads the equipment such as drilling machinery, power, equipment, inhabitation on the job platform.The application platform lifting actuator lifts away from the sea level with job platform along footing and begins drillng operation to certain height during drilling well; After the drilling well of one place is finished at first the application platform lifting gear job platform is down to the water surface job platform is floated, then rise spud leg and with tugboat offshore boring island dragged new well location, fall afterwards spud leg, the rise job platform begins the operation of a new round.
The self-elevating drilling platform lifting actuator is key and the core component of large-scale self-elevating drilling platform lifting.According to the difference of platform gross weight or spud leg quantity, every platform is installed the same specification lifting actuator that the 36-72 cover does not wait.Per two lifting actuators are by the both sides that are installed in every leg-chord pipe of symmetry.When job platform or spud leg lifting, all lifting actuators are worked together, the collaborative lifting of finishing job platform or spud leg.This just require job platform long-term static park or lifting before many lifting gears must carrying evenly, remain the platform level.If platform tilts a little and can not in time adjust, will cause unbalance stress between each lifting actuator, cause indivedual lifting actuator overloads; If there is not effective torque monitoring system, just can not in time find overload, might damage the lifting actuator of overload when serious, even cause the major accident such as topple.
Torque monitoring is in the at present existing application of lifting gear product of domestic design, but and immature as: a kind of mode of measuring the lifting gear load by current of electric, load monitoring when this mode is can't implementation platform static, the simultaneously conversion of motor working current and power and moment of torsion is non-completely linear relationship also, and therefore there is larger error in measured torque value; Another kind of torque monitoring is that the torque sensor of using common maturation is installed at (between motor shaft and gearbox input shaft) between two power transmission shafts, installation, debugging and application all cumbersome and efficient that need to consider the transmission system driving-chain just can be converted into final moment of torsion demonstration, because the efficient of the system of each lifting actuator can not be a definite value, so the value that moment of torsion shows is also accurate not.
The utility model content
The utility model purpose is to provide a kind of drilling platform lifting transmission device of Real-Time Monitoring climbing gear axle moment of torsion, and it is for the moment of torsion of defects direct-detection climbing gear axle, thereby the assurance measurement result is accurate.
The purpose of this utility model realizes by following structure, it comprises: motor, and motor connects the parallel-axes gears reduction box, and the parallel-axes gears reduction box connects planetary gear reduction box, planetary gear reduction box connects the climbing gear axle, establishes torque-measuring apparatus on the described climbing gear axle.
Described parallel-axes gears reduction box is provided with 4 grades of gear pair with parallel axes, and the resultant gear ratio of level Four gear pair is 389:1.
Described planetary gear reduction box is provided with the NGW type planetary gearsets of 2 grades of series connection, and total rotation of planetary gear reduction box is than being 24:1.
Axially establish centre bore in the described climbing gear axle, torque-measuring apparatus comprises: mandrel, and mandrel is positioned at centre bore, and the two ends of mandrel are connected to the two ends of climbing gear axle, and an end of mandrel connects the torque measurement sensor.
The neck of described climbing gear axle is provided with groove along circumference, torque-measuring apparatus comprises: foil gauge, foil gauge is positioned at groove, foil gauge connects rotor by wire, rotor is connected in the climbing gear axle, rotor peripheral hardware stator, the stator connection data gathers circuit, is respectively equipped with electromagnetic coil on stator and the rotor.
Described torque measurement sensor connects the PLC controller, and the PLC controller connects display.
Axially establish centre bore in the described climbing gear axle, radially establish connecting hole in the climbing gear axle, connecting hole one end UNICOM centre bore, the opening of the connecting hole other end is positioned at groove, and wire is positioned at centre bore and connecting hole.
Described data acquisition connection PLC controller, the PLC controller connects display.
Connect protective jacket on the described groove.
Filling epoxy resin in described centre bore, connecting hole and the groove.
The utility model is mounting torque measurement mechanism on the climbing gear axle directly, being subjected to the moment of torsion situation and its aspect with voltage or electric current exported of the every cover lifting actuator of Real-Time Monitoring, so that the load to each climbing gear is in time adjusted, make each climbing gear stand under load balanced, thereby guarantee the platform safety lifting.The utility model torque-measuring apparatus has solved the drawback that can't monitor moment of torsion when static and need to calculate transmission system efficiency when moment of torsion shows to stay in platform, and the utility model torque-measuring apparatus is directly surveyed the moment of torsion of climbing gear axle, measurement result is more accurate, measurable range can reach also much larger than common torque sensor
, and certainty of measurement is higher than the lifting actuator torque measuring method of other form.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model, and Fig. 2 is the sectional drawing of the utility model embodiment 1 climbing gear axle.
Fig. 3 is the sectional drawing of the utility model embodiment 2 climbing gear axles, and Fig. 4 is the partial enlarged drawing of I part among Fig. 3, and Fig. 5 is the partial enlarged drawing of II part among Fig. 3.
The specific embodiment
The utility model embodiment 1 as shown in Figure 1:
The self-elevating drilling platform lifting actuator is by motor 1, parallel-axes gears reduction box 2, planetary reducer 3, climbing gear axle 4 and be installed in complete lifting actuator unit of torque monitoring installation composition on the climbing gear axle.Motor 1 provides power for the lifting of job platform or spud leg; Establish level Four parallel axes helical gear pair in the parallel-axes gears reduction box 2, gearratio is 389:1; Establish two-stage NGW type Gear Planet Transmission in the planetary gear reduction box 3, the two-stage planetary ring gear is connected by flange, and its gearratio is 24:1; The climbing gear number of teeth of climbing gear axle is seven, and modulus is 100.
Be hollow gear shaft such as Fig. 2 at the climbing gear axle, axially establish centre bore in the described climbing gear axle, a mandrel 6 is installed in the centre bore, the two ends of mandrel are fixed together by the two ends of moment of torsion respectively with the climbing gear axle, climbing gear shaft end mounting torque measuring transducer 7, when the climbing gear axle is subjected to moment of torsion to produce distortion, mandrel also produces distortion thereupon, because the distortion of mandrel causes the variation of torque measurement sensor 7 input currents or magnitude of voltage, torque measurement sensor 7 monitoring is owing to the distortion of mandrel causes variation by the mandrel curtage, measure the variation of climbing gear axle torque, the output signal of torque measurement sensor 7 is connected with outside PLC by holding wire 8, and the calculating of process PLC, the torque measurement result of climbing gear axle is presented on the display screen of console the most at last.When lift rotating device is worked, driven by behind the deceleration of parallel axes reduction box level Four and the two-stage planetary reduction gear by motor 1, moment of torsion is passed to the climbing gear axle, and the climbing gear on the climbing gear axle is meshed with tooth bar on the spud leg and realizes the lifting of offshore boring island or spud leg; The torque measurement installation of sensors is in climbing gear axle centre bore, because the mandrel in the climbing gear axle is subjected to moment of torsion to produce distortion with the climbing gear axle, thereby make the curtage signal intensity of torque measurement sensor, changing value size by curtage records the size that the climbing gear bearing is subjected to moment of torsion, and calculate by PLC and to be converted into torque value and to be presented on the display that is arranged in console that is connected with PLC, when the carrying of certain climbing gear axle surpasses limit value, can in time adjust the lifting gear stand under load by control device or hand gear, make the equilibrium of every cover climbing gear axle stand under load avoid potential safety hazard.
Comprise such as Fig. 3, Fig. 4 and the utility model embodiment 2 shown in Figure 5:
The self-elevating drilling platform lifting actuator is by motor, parallel-axes gears reduction box, planetary reducer, climbing gear axle and be installed in complete lifting actuator unit of torque monitoring installation composition on the climbing gear axle.Motor 1 provides power for the lifting of job platform or spud leg; Establish level Four parallel axes helical gear pair in the parallel-axes gears reduction box 2, gearratio is 389:1; Establish two-stage NGW type Gear Planet Transmission in the planetary gear reduction box 3, the two-stage planetary ring gear is by flange connect, and its gearratio is 24:1; The climbing gear number of teeth of climbing gear axle is seven, and modulus is 100.
An annular groove is opened along circumference in described climbing gear axle journal position, melting welding foil gauge 11 in groove, according to the Wheatstone bridge principle, by measuring the climbing gear axle in the microstrain of bearing foil gauge 11 under the torque condition, and with the formal output of curtage signal.Axially establish centre bore in the climbing gear axle, radially establish connecting hole in the climbing gear axle, connecting hole one end UNICOM centre bore, the opening of the connecting hole other end is positioned at groove, and the signal of telecommunication of foil gauge 11 outputs transfers to rotor 13 through wire 9, rotor 13 links together by bolt and climbing gear axle, and and the climbing gear axle rotate together, rotor peripheral hardware stator, the stator connection data gathers circuit 15, be respectively equipped with electromagnetic coil on stator and the rotor, wire 9 is positioned at centre bore and connecting hole.Because the curtage that produced by twisting strain transfers to rotor 14 by electromagnetic induction by stator 13, then be connected with outside PLC through data acquisition circuit 15.Filling epoxy resin 10 to be playing protection against the tide in annular groove, climbing gear axle centre bore and connecting hole, the effect of corrosion protection, and play the effect of fixing cord 9; Install protective jacket 12 additional in the concave ring groove outside, protective jacket be one around the annulus of climbing gear axle.The measuring-signal that stator 14 is received sends the PLC that is connected with stator to, then passes through the analytical calculation of PLC, and the torque measurement result of climbing gear axle is presented on the display screen that is positioned at console the most at last.
Whether the load that the in real time accurate monitoring of every suffered torque of lifting gear climbing gear axle can effectively be reacted suffered between each transmission device is balanced, in time find indivedual lifting gears because of the overload of being out of shape or other reason causes, thereby avoid accident to produce.
Claims (10)
1. the drilling platform lifting transmission device of a Real-Time Monitoring climbing gear axle moment of torsion, comprise: motor, motor connects the parallel-axes gears reduction box, the parallel-axes gears reduction box connects planetary gear reduction box, planetary gear reduction box connects the climbing gear axle, it is characterized in that: establish torque-measuring apparatus on the described climbing gear axle.
2. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 1, it is characterized in that: described parallel-axes gears reduction box is provided with 4 grades of gear pair with parallel axes, and the resultant gear ratio of level Four gear pair is 389:1.
3. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 1, it is characterized in that: described planetary gear reduction box is provided with the NGW type planetary gearsets of 2 grades of series connection, and total rotation of planetary gear reduction box is than being 24:1.
4. according to claim 1, the drilling platform lifting transmission device of 2 or 3 described a kind of Real-Time Monitoring climbing gear axle moments of torsion, it is characterized in that: axially establish centre bore in the described climbing gear axle, torque-measuring apparatus comprises: mandrel, mandrel is positioned at centre bore, the two ends of mandrel are connected to the two ends of climbing gear axle, and an end of mandrel connects the torque measurement sensor.
5. according to claim 1, the drilling platform lifting transmission device of 2 or 3 described a kind of Real-Time Monitoring climbing gear axle moments of torsion, it is characterized in that: the neck of described climbing gear axle is provided with groove along circumference, torque-measuring apparatus comprises: foil gauge, foil gauge is positioned at groove, foil gauge connects rotor by wire, and rotor is connected in the climbing gear axle, rotor peripheral hardware stator, the stator connection data gathers circuit, is respectively equipped with electromagnetic coil on stator and the rotor.
6. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 4 is characterized in that: described torque measurement sensor connection PLC controller, PLC controller connection display.
7. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 5, it is characterized in that: axially establish centre bore in the described climbing gear axle, radially establish connecting hole in the climbing gear axle, connecting hole one end UNICOM centre bore, the opening of the connecting hole other end is positioned at groove, and wire is positioned at centre bore and connecting hole.
8. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 5 is characterized in that: described data acquisition connection PLC controller, PLC controller connection display.
9. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 5 is characterized in that: connect protective jacket on the described groove.
10. the drilling platform lifting transmission device of a kind of Real-Time Monitoring climbing gear axle moment of torsion according to claim 7 is characterized in that: filling epoxy resin in described centre bore, connecting hole and the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320047972 CN203238609U (en) | 2013-01-29 | 2013-01-29 | Drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320047972 CN203238609U (en) | 2013-01-29 | 2013-01-29 | Drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238609U true CN203238609U (en) | 2013-10-16 |
Family
ID=49315923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320047972 Expired - Fee Related CN203238609U (en) | 2013-01-29 | 2013-01-29 | Drilling platform lifting transmission device capable of monitoring climb gear shaft torque in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215375A (en) * | 2014-08-26 | 2014-12-17 | 武汉船用机械有限责任公司 | Torque monitoring device and climbing pinion |
| CN104266783A (en) * | 2014-07-24 | 2015-01-07 | 武汉船用机械有限责任公司 | Climb pinion and torque monitoring device applied for same |
| CN105675207A (en) * | 2016-03-04 | 2016-06-15 | 武汉船用机械有限责任公司 | Calibration method for torque sensors in climbing gears of marine drilling platform lifting system |
-
2013
- 2013-01-29 CN CN 201320047972 patent/CN203238609U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266783A (en) * | 2014-07-24 | 2015-01-07 | 武汉船用机械有限责任公司 | Climb pinion and torque monitoring device applied for same |
| CN104215375A (en) * | 2014-08-26 | 2014-12-17 | 武汉船用机械有限责任公司 | Torque monitoring device and climbing pinion |
| CN105675207A (en) * | 2016-03-04 | 2016-06-15 | 武汉船用机械有限责任公司 | Calibration method for torque sensors in climbing gears of marine drilling platform lifting system |
| CN105675207B (en) * | 2016-03-04 | 2018-04-27 | 武汉船用机械有限责任公司 | The scaling method of marine drilling platform jacking system climbing gear internal torque sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20220129 |