CN104121337A - Small tooth difference planet structure lifting gear case of self-elevating type ocean platform - Google Patents
Small tooth difference planet structure lifting gear case of self-elevating type ocean platform Download PDFInfo
- Publication number
- CN104121337A CN104121337A CN201410326184.0A CN201410326184A CN104121337A CN 104121337 A CN104121337 A CN 104121337A CN 201410326184 A CN201410326184 A CN 201410326184A CN 104121337 A CN104121337 A CN 104121337A
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- Prior art keywords
- level
- planet carrier
- gear
- self
- train
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0463—Grease lubrication; Drop-feed lubrication
- F16H57/0464—Grease lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Abstract
The invention relates to a planet structure lifting gear case of a self-elevating type ocean platform. The gear case comprises a case body, the case body comprises an end case body, a front case body, a middle case body and a bottom foot connecting base, wherein a small tooth difference gear train is used for first stage speed reduction, planetary gear trains are used for a second speed reduction stage and a third speed reduction stage, a center shaft of the small tooth difference gear train penetrates through the third speed reduction stage, the second speed reduction stage, a climbing gear shaft and a center tube shaft of an adjustable bearing pedestal and then is connected with an output shaft of a driving motor in a butted mode through an elastic coupler, a planet carrier of the front speed reduction stage is connected with a sun gear shaft of the next speed reduction stage through splines, and the planet carrier of the third stage is connected with the climbing gear shaft through splines; a pin hole type Z-X-V structure is adopted for the small tooth difference gear train; an NGW structure is adopted for the second-stage planet gear train and the third-stage planet gear train; the climbing gear shaft is supported between the bottom foot connecting base and the adjustable bearing pedestal through a bearing; the bottom foot connecting base and the adjustable bearing pedestal are respectively connected with supports of the self-elevating type ocean platform.
Description
Technical field
The present invention relates to a kind of speed reducer, in especially a kind of self-elevating ocean platform for the oversized module gear case of lifting platform.
Background technique
Self-elevating ocean platform is applicable to the oil in coastal waters territory, exploration and the exploitation of rock gas, and elevating system, as the critical component device of offshore oil drilling platform, belongs to large-scale high technology ocean engineering relevant equipment, in the manufacturing and designing of platform, is paid much attention to.Its function is: before platform well drilling operation, falling the spud leg of platform, and platform is promoted on sea to ballast after a certain height, is that the spud leg of platform fixedly positioning in seabed; Platform completes after drillng operation, and the spud leg of choosing is fallen platform to sea, and is displaced in the process of another operating location at platform, can be in more shallow drinking water position with platform drift; Under the storm load of license, platform has enough Securities.For a long time, its technology and manufacture are monopolized, blocked in U.S., day, Europe.
It is 201320194050.9 that CN203239867U Chinese patent literature discloses the application number that claimant on April 17th, 2013 applies for, name is called the patent of " self-elevating ocean platform planetary structure lifting tooth roller box ", the basic structure of this patent is the planetary gear train transferring power by three grades of NGW structures, its velocity ratio is only 317:1, in the time of the design of Offshore Platform under the constant prerequisite of rising or falling speed, what configure is the relatively low power source of rotating speed, this configuration mode, often require power source to bear larger output torque, and power source is operated in high pulling torque output state always, also can affect its working life.In addition, the center of gravity of the gear-box of this patent and power source are all positioned at a side of footing connecting base, weight distribution is extremely unreasonable, the balance extreme difference of footing connecting base support force after installing, cause the force unbalance that is subject to of each connecting bolt, these technological deficiencies are for away from base, and the Offshore Platform that accessory is in short supply, is technical barrier in the urgent need to address really.
Summary of the invention
The object of the invention is to: the power source existing for the disclosed self-elevating ocean platform planetary structure of CN203239867U Chinese patent literature lifting tooth roller box bears larger output torque, long-term high pulling torque output can affect working life, and the center of gravity of gear-box and power source are all positioned at a side of footing connecting base, weight distribution is extremely unreasonable, the balance extreme difference of footing connecting base support force after installing, what cause each connecting bolt is subject to the problems such as force unbalance, a kind of compact structure is provided, velocity ratio is large, output torque is large, bearing capacity is strong, balance support is good, the self-elevating ocean platform lifting tooth roller box that reliability is high.
Technological scheme of the present invention is achieved in that a kind of self-elevating ocean platform planetary structure lifting tooth roller box, comprise casing, three grades of retarding stages, climbing gear axle and adjustable bearing base, second and third level retarding stage be planetary gear train, it is characterized in that: the first order is slowed down as few teeth difference train, the central shaft of described few teeth difference train passes through the two or three retarding stage planetary gear train successively, after the center tubular axis of climbing gear axle and adjustable bearing base, dock with drive motor output shaft, the sun wheel shaft of the planet carrier of last retarding stage and a rear retarding stage is passed through spline joint, the planet carrier of the third level and climbing gear axle pass through spline joint, concrete structure is as follows:
A) described casing comprises end casing, anterior casing, middle housing and footing connecting base.
B) ring gear of few teeth difference train is located between end casing and anterior casing, and the ring gear of second level planetary gear train is located between anterior casing and middle housing, and third level ring gear is located between middle housing and footing connecting base.
C) few teeth difference train adopts pin-and-hole formula Z-X-V structure; The second level and third level planetary gear train adopt NGW structure.
D) climbing gear axle is supported between footing connecting base and adjustable bearing base by a pair of selfaligning roller bearing, and the internal spline of third level planet carrier docks with the external splines of climbing gear axle; Drive horse to be arranged on the housing being connected with adjustable bearing base, the output shaft of drive motor docks with the central shaft of described few teeth difference train by elastic coupling flexible coupling.
E) footing connecting base is connected with the support of self-elevating ocean platform respectively with adjustable bearing base.
In technological scheme of the present invention, planet carrier in few teeth difference train is made up of left planet carrier and right planet carrier, few teeth difference train central shaft is located by connecting by parallel key and two eccentric bushings, the circle central axis of two eccentric bushings and the axis of central shaft are in one plane and be parallel to each other, their center of circle is equally distributed on both sides, central shaft axle center, left and right planet carrier by bearings on the central shaft of two eccentric bushing front end and back end, between the planet carrier of left and right, be provided with equally distributed eight planet wheel shafts, two major planets wheels are provided with and eight drive holes that planet wheel shaft is corresponding, two major planets wheels are arranged on respectively on two eccentric bushings by bearing, eight planet wheel shafts are placed in the corresponding drive hole of two major planets wheels.
In technological scheme of the present invention, between planet carrier in second level sun gear and few teeth difference train, between third level sun gear and second level planet carrier, and between climbing gear axle and third level sun gear, all isolate spacingly by top board structure, climbing gear axle is realized its axially locating by distance ring and end cap pressing plate.
In technological scheme of the present invention, the each ring gear relating in b step is located by connecting with corresponding casing by locating stud and bolt, contains dismounting internal thread in described locating stud.
In technological scheme of the present invention, climbing gear axle and footing connecting base end face connecting part are provided with black box, and the selfaligning roller bearing both sides of adjustable bearing base are provided with seal ring.
In technological scheme of the present invention, the second level and third level planet carrier are both arms integral planet carrier; In the planet carrier of the second level, contain three planet wheels, in third level planet carrier, contain four planet wheels, each planet wheel all by bearings with on corresponding planet wheel bearing pin; Sun gear in the planetary gear train of the second level and planet carrier and third level sun gear are floating structure, and third level planet carrier is supported on footing connecting base and middle housing by deep groove ball bearing.
In technological scheme of the present invention, the tooth portion modulus of described climbing gear axle is 50mm, and pressure angle is 25 °, and normal shift coefficient is+0.33, and tooth top and tooth root are fillet, and the reduction speed ratio of gear-box is 2775:1.
In technological scheme of the present invention, gear-box inside is by carrying out flooding system lubrication containing the lubricant oil of extreme pressure agent and tackifier, and the liquid level of lubricant oil is higher than gearbox shaft edema with the heart involved plane; Selfaligning roller bearing in adjustable bearing base is by lubricated containing extreme pressure agent lithium grease.
In technological scheme of the present invention, described drive motor is the oil hydraulic motor containing break, or contains the motor of break.
The invention has the advantages that: because drive motor and gear-box body are arranged in the both sides that footing is installed, optimized the overall weight distribution after installing; Owing to adopting between the sun gears at different levels, planet carrier that float, top board structure isolation is spacing, and climbing gear axle is realized its axially locating by distance ring and end cap pressing plate, has effectively ensured the accurate location of each floating member, avoids occurring in work phase mutual interference; Because adopting first order few teeth difference train, gear-box adopts pin-and-hole formula Z-X-V structure, the second reducing gear to third-level planetary train employing NGW textural association, make gear-box there is larger reduction speed ratio (reduction speed ratio is 2775:1), can alleviate the output torque of power source output shaft, power source output shaft directly docks with the few teeth difference train central shaft of the center tubular axis that passes through successively the two or three retarding stage planetary gear train, climbing gear axle and adjustable bearing base; Because casing comprises end casing, anterior casing, middle housing and footing connecting base, ring gear, the second level and the 3rd utmost point ring gear of few teeth difference train is all as the part of casing, structure is very compact, because climbing gear axle is supported between footing connecting base and adjustable bearing base by a pair of selfaligning roller bearing, and realize its axially locating by distance ring and end cap, adjusting degrees of freedom when installation is large, can guarantee that climbing gear axle and reduction gear box have higher concentricity, can make again the working flank of climbing gear axle in optimum Working.
Brief description of the drawings
Fig. 1 is embodiments of the invention structural representations.
In figure: 1, second level planet wheel bearing pin, 2, left planet carrier, 3, major planets wheel, 4, end casing, 5, planet wheel shaft, 6, eccentric bushing, 7, right planet carrier, 8, central shaft, 9, top board, 10, second level sun gear, 11 top boards, 12, the ring gear of few teeth difference train, 13, anterior casing, 14, second level planet carrier, 15, third level sun gear, 16, third level planet wheel, 17, third level planet wheel bearing pin, 18, third level planet carrier, 19, top board, 20, housing, 21, drive motor, 22, elastic coupling flexible coupling, 23, adjustable bearing base, 24, climbing gear axle, 25, footing connecting base, 26, third level ring gear, 27, middle housing, 28, second level ring gear, 29, second level planet wheel, 30, seal ring, 31, black box, 32, locating stud, 33, bolt, 34, parallel key, 35, distance ring, 36, end cap pressing plate, 37, motor output shaft.
Embodiment
The nonrestrictive concrete structure that discloses the embodiment of the present invention of accompanying drawing, below in conjunction with accompanying drawing, the invention will be further described.
As seen from Figure 1, the present invention includes casing, three grades of retarding stages, climbing gear axle and adjustable bearing base, second and third level retarding stage be planetary gear train, wherein: the first order is slowed down as few teeth difference train, the central shaft 8 of described few teeth difference train passes through the three the second retarding stage planetary gear train successively, after climbing gear axle 24 and adjustable bearing base 23 center tubular axis, dock with the motor output shaft 37 of drive motor 21, the sun wheel shaft of the planet carrier of last retarding stage and a rear retarding stage is passed through spline joint, planet carrier 18 and the climbing gear axle 24 of the third level pass through spline joint, concrete structure is as follows:
A) described casing comprises end casing 4, anterior casing 13, middle housing 27 and footing connecting base 25.
B) ring gear 12 of few teeth difference train is located between end casing 4 and anterior casing 13, and second level ring gear 28 is located between anterior casing 13 and middle housing 27, and third level ring gear 26 is located between middle housing 27 and footing connecting base 25; Each ring gear is located by connecting with corresponding casing by locating stud 32 and bolt 33.
C) few teeth difference train adopts pin-and-hole formula Z-X-V structure; The second level and third level planetary gear train adopt NGW structure.
D) climbing gear axle 24 is supported between footing connecting base 25 and adjustable bearing base 23 by a pair of selfaligning roller bearing, and the internal spline of third level planet carrier 18 docks with the external splines of climbing gear axle 24; Drive motor 21 is arranged on the housing 20 being connected with adjustable bearing base 23, and the motor output shaft 37 of drive motor 21 docks with the central shaft 8 of described few teeth difference train by elastic coupling flexible coupling 22.
E) footing connecting base 25 is connected with the support of self-elevating ocean platform respectively with adjustable bearing base 23.
In the present embodiment, planet carrier in few teeth difference train is made up of left planet carrier 2 and right planet carrier 7, few teeth difference train central shaft 8 is located by connecting by parallel key 34 and two eccentric bushings 6, the axis of the circle central axis of two eccentric bushings 6 and central shaft 8 in one plane and be parallel to each other, their center of circle is equally distributed on the both sides, axle center of central shaft 8, left and right planet carrier by bearings on the central shaft 8 of two eccentric bushing 6 front end and back end, between the planet carrier of left and right, be provided with equally distributed eight planet wheel shafts 5, two major planets wheels 3 are provided with and eight drive holes that planet wheel shaft 5 is corresponding, two major planets wheels 3 are arranged on respectively on two eccentric bushings 6 by bearing, eight planet wheel shafts 5 are placed in the corresponding drive hole of two major planets wheels 3.
In the present embodiment, between left planet carrier 2 in second level sun gear 10 and few teeth difference train, be provided with between top board 9, third level sun gear 15 and second level planet carrier 14 and be provided with top board 11, between climbing gear axle 24 and third level sun gear 15, be provided with top board 19, climbing gear axle 24 is realized its axially locating by distance ring 35 and end cap pressing plate 36.
In the present embodiment, climbing gear axle 24 is provided with black box 31 with footing connecting base 25 end face connecting parts, and the selfaligning roller bearing both sides of adjustable bearing base 23 are provided with seal ring 30.
In the present embodiment, second level planet carrier 14 and third level planet carrier 18 are both arms integral planet carrier; In second level planet carrier 14, contain three second level planet wheels 29, in third level planet carrier 18, contain four third level planet wheels 16, they respectively by bearings with on corresponding second level planet wheel bearing pin 1 and third level planet wheel bearing pin 17; Second level sun gear 10 and second level planet carrier 14 and third level sun gear 15 are floating structure, and third level planet carrier 18 is supported on footing connecting base 25 and middle housing 27 by deep groove ball bearing.
In the present embodiment, the tooth portion modulus of described climbing gear axle 24 is 50mm, and pressure angle is 25 °, and normal shift coefficient is+0.33, and tooth top and tooth root are fillet, and the reduction speed ratio of gear-box is 2775:1.
When concrete enforcement, in described locating stud, contain dismounting internal thread.Gear-box inside is by carrying out flooding system lubrication containing the lubricant oil of extreme pressure agent and tackifier, and the liquid level of lubricant oil is higher than gearbox shaft edema with the heart involved plane; Selfaligning roller bearing in adjustable bearing base 23 is by lubricated containing extreme pressure agent lithium grease.
When concrete enforcement, described drive motor 21 can adopt the oil hydraulic motor containing break, also can adopt the motor containing break.
Claims (9)
1. a self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box, comprise casing, three grades of retarding stages, climbing gear axle and adjustable bearing base, second and third level retarding stage be planetary gear train, it is characterized in that: the first order is slowed down as few teeth difference train, the central shaft of described few teeth difference train passes through the three the second retarding stage planetary gear train successively, after the center tubular axis of climbing gear axle and adjustable bearing base, dock with drive motor output shaft, the sun wheel shaft of the planet carrier of last retarding stage and a rear retarding stage is passed through spline joint, the planet carrier of the third level and climbing gear axle pass through spline joint, concrete structure is as follows:
A) described casing comprises end casing, anterior casing, middle housing and footing connecting base;
B) ring gear of few teeth difference train is located between end casing and anterior casing, and the ring gear of second level planetary gear train is located between anterior casing and middle housing, and third level ring gear is located between middle housing and footing connecting base;
C) few teeth difference train adopts pin-and-hole formula Z-X-V structure; The second level and third level planetary gear train adopt NGW structure;
D) climbing gear axle is supported between footing connecting base and adjustable bearing base by a pair of selfaligning roller bearing, and the internal spline of third level planet carrier docks with the external splines of climbing gear axle; Drive motor is arranged on the housing being connected with adjustable bearing base, and the output shaft of drive motor docks with the central shaft of described few teeth difference train by elastic coupling flexible coupling;
E) footing connecting base is connected with the support of self-elevating ocean platform respectively with adjustable bearing base.
2. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 1, it is characterized in that: the planet carrier in few teeth difference train is made up of left planet carrier and right planet carrier, few teeth difference train central shaft is located by connecting by parallel key and two eccentric bushings, the circle central axis of two eccentric bushings and the axis of central shaft are in one plane and be parallel to each other, their center of circle is equally distributed on the both sides, axle center of central shaft, left and right planet carrier by bearings on the central shaft of two eccentric bushing front end and back end, between the planet carrier of left and right, be provided with equally distributed eight planet wheel shafts, two major planets wheels are provided with and eight drive holes that planet wheel shaft is corresponding, two major planets wheels are arranged on respectively on two eccentric bushings by bearing, eight planet wheel shafts are placed in the corresponding drive hole of two major planets wheels.
3. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 1, it is characterized in that: between the planet carrier in second level sun gear and few teeth difference train, between third level sun gear and second level planet carrier, and between climbing gear axle and third level sun gear, all isolate spacingly by top board structure, climbing gear axle is realized its axially locating by distance ring and end cap pressing plate.
4. self-elevating ocean platform planetary structure lifting tooth roller box according to claim 1, is characterized in that: the each ring gear relating in b step is located by connecting with corresponding casing by locating stud and bolt, contains dismounting internal thread in described locating stud.
5. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 1, is characterized in that: climbing gear axle and footing connecting base end face connecting part are provided with black box, and the selfaligning roller bearing both sides of adjustable bearing base are provided with seal ring.
6. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 1, is characterized in that: the second level and third level planet carrier are both arms integral planet carrier; In the planet carrier of the second level, contain three planet wheels, in third level planet carrier, contain four planet wheels, each planet wheel all by bearings with on corresponding planet wheel bearing pin; Sun gear in the planetary gear train of the second level and planet carrier and third level sun gear are floating structure, and third level planet carrier is supported on footing connecting base and middle housing by deep groove ball bearing.
7. according to the self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box one of claim 1-6 Suo Shu, it is characterized in that; The tooth portion modulus of described climbing gear axle is 50mm, and pressure angle is 25 °, and normal shift coefficient is+0.33, and tooth top and tooth root are fillet, and the reduction speed ratio of gear-box is 2775:1.
8. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 7, is characterized in that: gear-box inside is by carrying out flooding system lubrication containing the lubricant oil of extreme pressure agent and tackifier, and the liquid level of lubricant oil is higher than gearbox shaft edema with the heart involved plane; Selfaligning roller bearing in adjustable bearing base is by lubricated containing extreme pressure agent lithium grease.
9. self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box according to claim 7, is characterized in that: described drive motor is the oil hydraulic motor containing break, or contains the motor of break.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326184.0A CN104121337A (en) | 2014-07-10 | 2014-07-10 | Small tooth difference planet structure lifting gear case of self-elevating type ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326184.0A CN104121337A (en) | 2014-07-10 | 2014-07-10 | Small tooth difference planet structure lifting gear case of self-elevating type ocean platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104121337A true CN104121337A (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326184.0A Pending CN104121337A (en) | 2014-07-10 | 2014-07-10 | Small tooth difference planet structure lifting gear case of self-elevating type ocean platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104121337A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369792A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Speed reducing device of gear-and-rack type lifting system and gear-and-rack type lifting system |
| CN107653862A (en) * | 2017-08-30 | 2018-02-02 | 武汉船用机械有限责任公司 | A kind of gear tank dismounting device of lifting of ocean platform device |
| WO2018059067A1 (en) * | 2016-09-29 | 2018-04-05 | 广东肇庆爱龙威机电有限公司 | Gear driving device for automotive movable parts |
| CN109915566A (en) * | 2019-03-29 | 2019-06-21 | 重庆大学 | A kind of lifting gear box of self-lifting ocean |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546213U (en) * | 2009-12-14 | 2010-08-11 | 郑州机械研究所 | Novel automatic lifting offshore drilling platform lifting device |
| CN203239867U (en) * | 2013-04-17 | 2013-10-16 | 南京高精船用设备有限公司 | Self-elevating ocean platform planetary-structure lifting gear case |
| US20140155215A1 (en) * | 2012-08-10 | 2014-06-05 | Gustomsc Resources B.V. | Drive apparatus or system |
| CN204004211U (en) * | 2014-07-10 | 2014-12-10 | 南京高精船用设备有限公司 | Self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box |
-
2014
- 2014-07-10 CN CN201410326184.0A patent/CN104121337A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546213U (en) * | 2009-12-14 | 2010-08-11 | 郑州机械研究所 | Novel automatic lifting offshore drilling platform lifting device |
| US20140155215A1 (en) * | 2012-08-10 | 2014-06-05 | Gustomsc Resources B.V. | Drive apparatus or system |
| CN203239867U (en) * | 2013-04-17 | 2013-10-16 | 南京高精船用设备有限公司 | Self-elevating ocean platform planetary-structure lifting gear case |
| CN204004211U (en) * | 2014-07-10 | 2014-12-10 | 南京高精船用设备有限公司 | Self-elevating ocean platform fewer differential teeth planetary structure lifting tooth roller box |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369792A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Speed reducing device of gear-and-rack type lifting system and gear-and-rack type lifting system |
| CN105369792B (en) * | 2015-11-02 | 2017-08-08 | 武汉船用机械有限责任公司 | The deceleration device and pinion and-rack jacking system of pinion and-rack jacking system |
| WO2018059067A1 (en) * | 2016-09-29 | 2018-04-05 | 广东肇庆爱龙威机电有限公司 | Gear driving device for automotive movable parts |
| CN107653862A (en) * | 2017-08-30 | 2018-02-02 | 武汉船用机械有限责任公司 | A kind of gear tank dismounting device of lifting of ocean platform device |
| CN109915566A (en) * | 2019-03-29 | 2019-06-21 | 重庆大学 | A kind of lifting gear box of self-lifting ocean |
| CN109915566B (en) * | 2019-03-29 | 2022-03-08 | 重庆大学 | Self-elevating ocean platform lifting gear box |
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Application publication date: 20141029 |