CN203603132U - Lifting gear case and self-lifting type ocean platform - Google Patents
Lifting gear case and self-lifting type ocean platform Download PDFInfo
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- CN203603132U CN203603132U CN201320739443.3U CN201320739443U CN203603132U CN 203603132 U CN203603132 U CN 203603132U CN 201320739443 U CN201320739443 U CN 201320739443U CN 203603132 U CN203603132 U CN 203603132U
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Abstract
The utility model provides a lifting gear case and a self-lifting type ocean platform. The lifting gear case comprises a speed reduction parallel box and a planet reduction gearbox connected with a first output shaft of the speed reduction parallel box. The first output shaft is a sun wheel shaft. The planet reduction gearbox comprises a first end cover, a planet carrier arranged on the first end cover through a first bearing, a gear ring which is arranged on the planet carrier through a second bearing and has inner teeth and outer teeth, a planet wheel oppositely fixed to the planet carrier and meshed with the sun wheel shaft and the inner teeth of the gear ring, a first climbing gear in transmission connection with the planet wheel, an idle wheel meshed with the outer teeth of the gear ring, a driven gear meshed with the idle wheel, a second output shaft in transmission connection with the driven gear, and a second climbing gear in transmission connection with the second output shaft. According to the lifting gear case, a differential planet structure is adopted, so that a single-driving double-output mode is formed, the first climbing gear and the second climbing gear can work synchronously, synchronous deviation is reduced, and the reliability of the self-lifting type ocean platform is improved.
Description
Technical field
The utility model relates to self-elevating offshore platform elevating technical field, more particularly, relates to a kind of gear-box and self-elevating ocean platform of promoting.
Background technology
Along with the appearance of energy crisis, exploitation marine resources have become important industry, and the exploitation of marine resources is shifted to deep-sea by initial coastal waters, shallow sea, arises at the historic moment for the ocean platform of marine resources development.In various ocean platforms, self-elevating ocean platform is high by its reliability, operating flexibility, steel using amount are few, be adapted to the advantages such as various open ocean, is widely adopted.
For self-elevating ocean platform, promoting gear-box is key equipment.By promoting gearbox hi/local spud leg, realize the lifting to whole self-elevating ocean platform.Promoting gear-box mainly comprises: the parallel case that slows down, the planetary reduction box being connected with deceleration parallel teeth roller box; Wherein, motor is connected with the parallel case that slows down, and planetary reduction box comprises epicyclic transmission mechanism and the climbing gear being connected with epicyclic transmission mechanism.The hoisting way that promotes gear-box is: self-elevating ocean platform is arranged on spud leg, tooth bar is set on spud leg, and the both sides of this tooth bar all have tooth, and the climbing gear acting in conjunction by multiple lifting gear-boxes is in tooth bar, realize the lifting of tooth bar, and then realize the lifting of spud leg.Conventionally, promoting gear-box is arranged on self-elevating ocean platform.
Introduced from above-mentioned, the lifting of tooth bar needs multiple lifting gear-boxes to realize, and the lifting that needs to control multiple lifting gear-boxes is consistent, and the drive motors of multiple lifting gear-boxes is synchronous.But, control multiple drive motors synchronous, be prone to deviation, make to promote gear and occur synchronism deviation, there will be and can not promote or promote unsettled phenomenon, affect the reliability of self-elevating ocean platform.
In addition, need multiple lifting gear-boxes, cause promoting the required installing space of gear-box larger.
In sum, how reducing the synchronism deviation that promotes gear, to improve the reliability of self-elevating ocean platform, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of gear-box that promotes, and reduces the synchronism deviation that promotes gear, to improve the reliability of self-elevating ocean platform.Another object of the present utility model is to provide a kind of self-elevating ocean platform with above-mentioned lifting gear-box.
To achieve these goals, the utility model provides following technical scheme:
A kind of gear-box that promotes, comprising: the parallel case that slows down, the planetary reduction box connected with the first output shaft of the parallel case of described deceleration; Wherein, described the first output shaft is sun wheel shaft;
Described planetary reduction box is differential planetary reduction box, and described planetary reduction box comprises: the first end cap; Be arranged at by clutch shaft bearing the planet carrier that described first end covers; Be arranged at the gear ring on described planet carrier by the second bearing, described gear ring has internal tooth and external tooth; Be arranged on described planet carrier and with the relatively-stationary planetary gear of described planet carrier, described planetary gear engages with internal tooth and the described sun wheel shaft of described gear ring respectively; The first climbing gear being connected with described planet carrier transmission; The idle pulley engaging with the external tooth of described gear ring; The driven gear engaging with described idle pulley; The second output shaft being connected with described driven gear transmission; The second climbing gear being connected with described the second output shaft transmission.
Preferably, in above-mentioned lifting gear-box, described the first climbing gear and described planet carrier adopt spline joint, and described the first climbing gear and described planet carrier be bolted, and described bolt is positioned at the center of the two.
Preferably, in above-mentioned lifting gear-box, described the second climbing gear and described the second output shaft are integral type structure.
Preferably, in above-mentioned lifting gear-box, the inner ring of described the second bearing is arranged on described planet carrier, and the outer ring of described the second bearing is arranged on described gear ring.
Preferably, in above-mentioned lifting gear-box, described the second output shaft is arranged on the second end cap of described planetary reduction box by the 4th bearing.
Preferably, in above-mentioned lifting gear-box, described the first output shaft is arranged on the casing of the parallel case of described deceleration by the 5th bearing, and described the first output shaft is arranged on described planet carrier by the 6th bearing.
Preferably, in above-mentioned lifting gear-box, the number of described planetary gear is three.
Preferably, in above-mentioned lifting gear-box, the parallel case of described deceleration is the level Four parallel case that slows down, and the parallel case of described deceleration comprises: for the first order gear shaft being connected with motor; The first order driven gear engaging with described first order gear shaft; The second level gear shaft being connected with the transmission of described first order driven gear; The second level driven gear engaging with described second level gear shaft; The third level gear shaft being connected with the driven gear transmission of the described second level; The third level driven gear engaging with described third level gear shaft; The fourth stage gear shaft being connected with the transmission of described third level driven gear; The fourth stage driven gear engaging with described fourth stage gear shaft; Described the first output shaft being connected with the transmission of described fourth stage driven gear.
Preferably, in above-mentioned lifting gear-box, described first order driven gear and described second level gear shaft interference fit; Described second level driven gear and described third level gear shaft interference fit; Described third level driven gear is connected by two flat keys with described fourth stage gear shaft; Described fourth stage driven gear is connected by two flat keys with described the first output shaft.
Preferably, in above-mentioned lifting gear-box, the parallel case of described deceleration and described planetary reduction box all adopt bath lubrication, and described first order gear shaft adopts rotating shaft lip-shaped sealing with the casing of the parallel case of described deceleration, and described the first output shaft and described casing adopt rotating shaft lip-shaped sealing.
Based on the above-mentioned lifting gear-box providing, the utility model also provides a kind of self-elevating ocean platform, and this self-elevating ocean platform has the lifting gear-box described in above-mentioned any one.
The operating principle of the lifting gear-box that the utility model provides is: in planetary reduction box, gear ring, planetary gear, planet carrier and sun gear all rotate, and gear ring is connected by idle pulley transmission with driven gear, this planetary reducer has been configured to differential planetary structure, i.e. the first output shaft input, carry out Kinematic Decomposition through differential planetary structure and form two outgoing routes, two outgoing routes are respectively the first climbing gear and the second climbing gear, tooth bar engages with the first climbing gear and the second climbing gear respectively, form the closed cell of differential planetary structure, make the first climbing gear and the second climbing gear produce identical moment, be that the two synchronously rotates, and direction of rotation.
The course of work of the lifting gear-box that the utility model provides is: starter motor, the first output shaft through the parallel case that slows down passes to planetary gear and gear ring, planet carrier is along with planetary gear rotates, the first climbing gear is along with planet carrier rotates, driven gear is along with gear ring rotates, the second output shaft is along with gear ring rotates, and the second climbing gear is along with the second output shaft rotation; The tooth bar that both sides are had to a tooth is placed on the centre of the first climbing gear and the second climbing gear, tooth bar engages with the first climbing gear and the second climbing gear respectively, form the closed cell of differential planetary structure, make the first climbing gear and the second climbing gear produce identical moment, and direction of rotation, thereby realize the lifting to tooth bar.
The lifting gear-box that the utility model provides, by adopting differential planetary structure, form the pattern of single driving dual output, with under the engagement of tooth bar, the first climbing gear and the second climbing gear produce identical moment, i.e. the two synchronous working, thus reach effect of load balancing mechanism, reduce and promoted the synchronism deviation of gear, and then improved the reliability of self-elevating ocean platform.
Simultaneously, the lifting gear-box that the utility model provides, by adopting differential planetary structure, form the pattern of single driving dual output, compared with the lifting gear-box that adopts single-input single-output with prior art, structure is compacter, thereby has reduced to promote the required installing space of gear-box, has effectively improved the overall performance of self-elevating ocean platform.
Simultaneously, the lifting gear-box that the utility model provides, by adopting differential planetary structure, form the pattern of single driving dual output, with under the engagement of tooth bar, the first climbing gear and the second climbing gear produce identical moment, i.e. the two synchronous working, the load identity property of the first climbing gear and the second climbing gear is not subject to the impact of tooth bar machining accuracy, thereby has reduced the machining accuracy of tooth bar.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the lifting gear-box that Fig. 1 provides for the utility model embodiment.
In upper Fig. 1:
1 is motor, 2 is the parallel case that slows down, 21 is first order gear shaft, 22 is first order driven gear, 23 is second level gear shaft, 24 is second level driven gear, 25 is third level gear shaft, 26 is third level driven gear, 27 is fourth stage gear shaft, 28 is fourth stage driven gear, 29 is the first output shaft, 210 is casing, 211 is the 5th bearing, 3 is planetary reduction box, 31 is the first end cap, 32 is planetary gear, 33 is the 3rd bearing, 34 is gear ring, 35 is planet carrier, 36 is the first climbing gear, 37 is clutch shaft bearing, 38 is the second bearing, 39 is idle pulley, 310 is the second end cap, 311 is the 4th bearing, 312 is the second output shaft, 313 is driven gear, 314 is the second climbing gear.
The specific embodiment
For quote and know for the purpose of, now the technical term relating in this patent is explained as follows:
Idle pulley: be the gear that plays transfer function in the middle of two travelling gears that are not in contact with one another, simultaneously with these two gear engagements, be used for changing the rotation direction of driven gear, make it identical with driving gear.The effect of idle pulley is to change to turn to change gearratio.
The utility model embodiment provides a kind of lifting gear-box, has reduced and has promoted the synchronism deviation of gear, and then improved the reliability of self-elevating ocean platform.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The lifting gear-box that the utility model embodiment provides, comprising: the parallel case 2 that slows down, the planetary reduction box 3 connected with the first output shaft 29 of the parallel case 2 that slows down; Wherein, the first output shaft 29 is sun wheel shaft; Planetary reduction box 3 is differential planetary reduction box, and planetary reduction box 3 comprises: the first end cap 31; Be arranged at the planet carrier 35 on the first end cap 31 by clutch shaft bearing 37; Be arranged at the gear ring 34 on planet carrier 35 by the second bearing 38, this gear ring 34 has internal tooth and external tooth; Be arranged on planet carrier 35 and with the relatively-stationary planetary gear 32 of planet carrier 35, this planetary gear 32 engages with the internal tooth of sun wheel shaft and gear ring 34 respectively; The first climbing gear 36 being connected with planet carrier 35 transmissions; The idle pulley 39 engaging with the external tooth of gear ring 34; The driven gear 313 engaging with idle pulley 39; The second output shaft 312 being connected with driven gear 313 transmissions; The second climbing gear 314 being connected with the second output shaft 312 transmissions.
It should be noted that, because the first climbing gear 36 and the second climbing gear 314 need to be realized the lifting of tooth bar, identical and the two the direction of rotation of the number of teeth of the number of teeth of the first climbing gear 36 and the second climbing gear 314.Concrete, because the rotation direction of the first climbing gear 36 is identical with the rotation direction of planet carrier 35 and planetary gear 32, the direction of rotation of the rotation direction of planetary gear 32 and gear ring 34, the rotation direction of driven gear 313 is identical with the rotation direction of gear ring 34, the rotation direction of the second climbing gear 314 is identical with the rotation direction of driven gear 313, the direction of rotation of the rotation direction of the second climbing gear 314 and the first climbing gear 36.Because planet carrier 35 is arranged on the first end cap 31 by clutch shaft bearing 37, the first end cap 31 is fixing, shows that planet carrier 35 can rotate, and gear ring 34 is arranged on planet carrier 35 by the second bearing 38, shows that gear ring 34 and planet carrier 35 can relatively rotate.
The operating principle of the lifting gear-box that the utility model embodiment provides is: in planetary reduction box 3, gear ring 34, planetary gear 32, planet carrier 35 and sun wheel shaft are all rotated, and gear ring 34 is connected by idle pulley 39 transmissions with driven gear 313, this planetary reducer has been configured to differential planetary structure, the first output shaft 29 is inputted, carry out Kinematic Decomposition through differential planetary structure and form two outgoing routes, two outgoing routes are respectively the first climbing gear 36 and the second climbing gear 314, when tooth bar engages with the first climbing gear 36 and the second climbing gear 314 respectively, form the closed cell of differential planetary structure, make the first climbing gear 36 and the second climbing gear 314 produce identical moment, be that the two synchronously rotates, and direction of rotation.
The course of work of the lifting gear-box that the utility model embodiment provides is: starter motor 1, the first output shaft 29 through the parallel case 2 that slows down passes to planetary gear 32 and gear ring 34, planet carrier 35 is along with planetary gear 32 rotates, the first climbing gear 36 is along with planet carrier 35 rotates, driven gear 313 is along with gear ring 34 rotates, the second output shaft 312 is along with gear ring 34 rotates, and the second climbing gear 314 is along with the second output shaft 312 rotates; The tooth bar that both sides are had to a tooth is placed on the centre of the first climbing gear 36 and the second climbing gear 314, tooth bar engages with the first climbing gear 36 and the second climbing gear 314 simultaneously, form the closed cell of differential planetary structure, make the first climbing gear 36 and the second climbing gear 314 produce identical moment, and direction of rotation, thereby realize the lifting to tooth bar.
The lifting gear-box that the utility model embodiment provides, by adopting differential planetary structure, form the pattern of single driving dual output, with under the engagement of tooth bar, the first climbing gear 36 and the second climbing gear 314 produce identical moment, i.e. the two synchronous working, thus reach effect of load balancing mechanism, reduce and promoted the synchronism deviation of gear, and then improved the reliability of self-elevating ocean platform.
Simultaneously, the lifting gear-box that the utility model embodiment provides, by adopting differential planetary structure, form the pattern of single driving dual output, compared with the lifting gear-box that adopts single-input single-output with prior art, structure is compacter, thereby has reduced to promote the required installing space of gear-box, has effectively improved the overall performance of self-elevating ocean platform.
Simultaneously, the lifting gear-box that the utility model embodiment provides, by adopting differential planetary structure, form the pattern of single driving dual output, with under the engagement of tooth bar, the first climbing gear 36 and the second climbing gear 314 produce identical moment, i.e. the two synchronous working, the load identity property of the first climbing gear 36 and the second climbing gear 314 is not subject to the impact of tooth bar machining accuracy, thereby has reduced the machining accuracy of tooth bar.
It should be noted that, in above-mentioned lifting gear-box, gear ring 34 floats and has improved the effect of load balancing mechanism of whole lifting gear-box.Clutch shaft bearing 37 and the second bearing 38 are two groups, to guarantee normal rotation.
In the lifting gear-box that above-described embodiment provides, motor 1 is connected with 21 transmissions of first order gear shaft, concrete, and the output shaft of motor 1 is connected with 21 transmissions of first order gear shaft by spline, certainly, also can adopt other connected mode, for example shaft coupling.Preferably, planet carrier 35 and the first climbing gear 36 adopt spline joint, and the first climbing gear 36 is bolted with planet carrier 35, and this bolt is positioned at the first climbing gear 36 and planet carrier 35 center.Planet carrier 35 also can be realized transmission by miscellaneous part and structure with the first climbing gear 36 and be connected, and the utility model embodiment does not do this particularly and limits.
Preferably, in the lifting gear-box that above-described embodiment provides, the second climbing gear 314 and the second output shaft 312 are integral type structure.The second output shaft 312 is gear shaft, has reduced like this installation procedure, is convenient to install; Also make the structure of this lifting gear compacter, be conducive to reduce to promote the volume of gear-box simultaneously.。
In order further to optimize technique scheme, in the lifting gear-box that above-described embodiment provides, the inner ring of the second bearing 38 is arranged on planet carrier 35, and the outer ring of the second bearing 38 is arranged on gear ring 34.Like this, reduce the installing space of the second bearing 38, made the structure of planetary reduction box 3 compacter, reduced the volume of planetary reduction box 3, and then reduced volume and the installing space of this lifting gear-box.
Preferably, in the lifting gear-box that above-described embodiment provides, the second output shaft 312 is arranged on the second end cap 310 of planetary reduction box 3 by the 4th bearing 311.Like this, to realize the rotation of the second output shaft 312.
In order to guarantee more stable transmission, in the lifting gear-box that above-described embodiment provides, the first output shaft 29 is arranged on the casing 210 of the parallel case 2 that slows down by the 5th bearing 211, and the first output shaft 29 is arranged on planet carrier 35 by the 6th bearing.Three bearings divide 3 location of having realized the first output shaft 29, have effectively guaranteed the stable drive of the first output shaft 29.
In the lifting gear-box that above-described embodiment provides, planetary gear 32 is arranged on planet carrier 35 by the 3rd bearing 33, need to guarantee that planetary gear 32 is relative with planet carrier 35 fixing, and the two synchronously rotates, and the 3rd bearing 33 supports planetary gear 32.Preferably, clutch shaft bearing 37, the second bearing 38, the 3rd bearing 33, the 4th bearing 311, the 5th bearing 211 and the 6th bearing are rolling bearing.Certainly, also can select the bearing of other types.Preferential selection, driven gear 313 is connected by spline with the second output shaft 312.Certainly, it is connected that the two also can realize transmission by other means, and for example key connects, and the utility model embodiment does not do this particularly and limits.
Preferably, in the lifting gear-box that above-described embodiment provides, the number of planetary gear 32 is three.Certainly, the number that also can select planetary gear 32 is four or five, can set according to actual concrete condition.
In the lifting gear-box that above-described embodiment provides, the parallel case 2 that slows down can be three grades of slow down parallel casees, level Four parallel case or Pyatyi parallel case that slows down that slows down, and sets according to actual conditions.Preferably, the parallel case 2 that slows down is for the level Four parallel case that slows down, and the parallel case 2 of this deceleration comprises: for the first order gear shaft 21 being connected with motor 1; The first order driven gear 22 engaging with first order gear shaft 21; The second level gear shaft 23 being connected with 22 transmissions of first order driven gear; The second level driven gear 24 engaging with the second gear shaft 23; The third level gear shaft 25 being connected with 24 transmissions of second level driven gear; The third level driven gear 26 engaging with third level gear shaft 25; The fourth stage gear shaft 27 being connected with 26 transmissions of third level driven gear; The fourth stage driven gear 28 engaging with fourth stage gear shaft 27; The first output shaft 29 being connected with 28 transmissions of fourth stage driven gear.
In the lifting gear-box that above-described embodiment provides, first order gear shaft 21, second level gear shaft 23, third level gear shaft 25, fourth stage gear shaft 27 be all by bearing setting and casing 210, and all realize axial location by end cap.
Preferably, in the lifting gear-box that above-described embodiment provides, first order driven gear 22 and second level gear shaft 23 interference fit; Second level driven gear 24 and third level gear shaft 25 interference fit; Third level driven gear 26 is connected by two flat keys with fourth stage gear shaft 27; Fourth stage driven gear 28 is connected by two flat keys with the first output shaft 29.Like this, according to the difference of every one-level rotating speed, rational connected mode is set, the structure that makes to promote gear-box is more reasonable, is convenient to install and use.Certainly, the transmission between two parts also can realize by other structures, and the utility model embodiment does not do this particularly and limits.
Preferably, in the lifting gear-box that above-described embodiment provides, slow down parallel case 2 and planetary reduction box 3 all adopts bath lubrication, and first order gear shaft 21 adopts rotating shaft lip-shaped sealing with the casing 210 of the parallel case 2 that slows down, and the first output shaft 29 adopts rotating shaft lip-shaped sealing with casing 210.Certainly, also can adopt other lubricating system and sealing means, the utility model embodiment does not do concrete restriction to this.
Preferably, in the lifting gear-box that above-described embodiment provides, slow down parallel case 2 and planetary reduction box 3 all adopt straight-tooth tooth system.Certainly, slow down parallel case 2 and planetary reduction box 3 also can adopt helical teeth tooth system, or adopt straight-tooth tooth system and helical teeth tooth system.
In the lifting gear-box that above-described embodiment provides, the number of teeth of the first climbing gear 36 and the second climbing gear 314 need to require to set according to the structure of tooth bar and transmission.Preferably, the number of teeth of the first climbing gear 36 and the second climbing gear 314 is 7, and the first climbing gear 36 and the second climbing gear 314 are 7 toothings.
The lifting gear-box providing based on above-described embodiment, the utility model embodiment also provides a kind of self-elevating ocean platform, and this self-elevating ocean platform has the lifting gear-box that above-described embodiment provides.
The lifting gear-box providing due to above-described embodiment has above-mentioned technique effect, the self-elevating ocean platform that the utility model embodiment provides has above-mentioned lifting gear-box, the self-elevating ocean platform that the utility model embodiment provides also has corresponding technique effect, repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a lifting gear-box, comprising: the parallel case (2) that slows down, the connected planetary reduction box (3) of the first output shaft (29) of case parallel with described deceleration (2); It is characterized in that, described the first output shaft (29) is sun wheel shaft;
Described planetary reduction box (3) is differential planetary reduction box, and described planetary reduction box (3) comprising: the first end cap (31); Be arranged at the planet carrier (35) on described the first end cap (31) by clutch shaft bearing (37); Be arranged at the gear ring (34) on described planet carrier (35) by the second bearing (38), described gear ring (34) has internal tooth and external tooth; Be arranged at described planet carrier (35) upper and with the relatively-stationary planetary gear of described planet carrier (35) (32), described planetary gear (32) engages with internal tooth and the described sun wheel shaft of described gear ring (34) respectively; The first climbing gear (36) being connected with described planet carrier (35) transmission; The idle pulley (39) engaging with the external tooth of described gear ring (34); The driven gear (313) engaging with described idle pulley (39); The second output shaft (312) being connected with described driven gear (313) transmission; The second climbing gear (314) being connected with described the second output shaft (312) transmission.
2. lifting gear-box as claimed in claim 1, it is characterized in that, described the first climbing gear (36) and described planet carrier (35) adopt spline joint, and described the first climbing gear (36) is bolted with described planet carrier (35), and described bolt is positioned at the center of the two.
3. lifting gear-box as claimed in claim 1, is characterized in that, described the second climbing gear (314) is integral type structure with described the second output shaft (312).
4. lifting gear-box as claimed in claim 1, is characterized in that, it is upper that the inner ring of described the second bearing (38) is arranged at described planet carrier (35), and the outer ring of described the second bearing (38) is arranged on described gear ring (34).
5. lifting gear-box as claimed in claim 1, is characterized in that, described the second output shaft (312) is arranged on second end cap (310) of described planetary reduction box (3) by the 4th bearing (311).
6. lifting gear-box as claimed in claim 1, it is characterized in that, the casing (210) that described the first output shaft (29) is arranged at the parallel case of described deceleration (2) by the 5th bearing (211) is upper, and described the first output shaft (29) is arranged on described planet carrier (35) by the 6th bearing.
7. lifting gear-box as claimed in claim 1, is characterized in that, the number of described planetary gear (32) is three.
8. the lifting gear-box as described in any one in claim 1-7, is characterized in that, the parallel case of described deceleration (2) is the level Four parallel case that slows down, and the parallel case of described deceleration (2) comprising: for the first order gear shaft (21) being connected with motor (1); The first order driven gear (22) engaging with described first order gear shaft (21); The second level gear shaft (23) being connected with described first order driven gear (22) transmission; The second level driven gear (24) engaging with described second level gear shaft (23); The third level gear shaft (25) being connected with described second level driven gear (24) transmission; The third level driven gear (26) engaging with described third level gear shaft (25); The fourth stage gear shaft (27) being connected with described third level driven gear (26) transmission; The fourth stage driven gear (28) engaging with described fourth stage gear shaft (27); Described the first output shaft (29) being connected with described fourth stage driven gear (28) transmission.
9. lifting gear-box as claimed in claim 8, is characterized in that, described first order driven gear (22) and described second level gear shaft (23) interference fit; Described second level driven gear (24) and described third level gear shaft (25) interference fit; Described third level driven gear (26) is connected by two flat keys with described fourth stage gear shaft (27); Described fourth stage driven gear (28) is connected by two flat keys with described the first output shaft (29).
10. lifting gear-box as claimed in claim 9, it is characterized in that, the parallel case of described deceleration (2) and described planetary reduction box (3) all adopt bath lubrication, the casing (210) of described first order gear shaft (21) case parallel with described deceleration (2) adopts rotating shaft lip-shaped sealing, and described the first output shaft (29) adopts rotating shaft lip-shaped sealing with described casing (210).
11. 1 kinds of self-elevating ocean platforms, is characterized in that, have the lifting gear-box as described in any one in claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739443.3U CN203603132U (en) | 2013-11-20 | 2013-11-20 | Lifting gear case and self-lifting type ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739443.3U CN203603132U (en) | 2013-11-20 | 2013-11-20 | Lifting gear case and self-lifting type ocean platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603132U true CN203603132U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739443.3U Expired - Fee Related CN203603132U (en) | 2013-11-20 | 2013-11-20 | Lifting gear case and self-lifting type ocean platform |
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| Country | Link |
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| CN (1) | CN203603132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603329B (en) * | 2013-11-20 | 2016-05-04 | 重庆齿轮箱有限责任公司 | Promote gear-box and self-elevating ocean platform |
| CN106458541A (en) * | 2014-05-08 | 2017-02-22 | 西门子公司 | Gear pair for a lifting vessel |
-
2013
- 2013-11-20 CN CN201320739443.3U patent/CN203603132U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603329B (en) * | 2013-11-20 | 2016-05-04 | 重庆齿轮箱有限责任公司 | Promote gear-box and self-elevating ocean platform |
| CN106458541A (en) * | 2014-05-08 | 2017-02-22 | 西门子公司 | Gear pair for a lifting vessel |
| US9982408B2 (en) | 2014-05-08 | 2018-05-29 | Siemens Aktiengesellschaft | Gear pair for a lifting vessel |
| CN106458541B (en) * | 2014-05-08 | 2018-10-30 | 弗兰德有限公司 | Crane ship transmission device pair |
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