CN209654572U - A kind of offshore platform crane planetary gear reduction box - Google Patents
A kind of offshore platform crane planetary gear reduction box Download PDFInfo
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- CN209654572U CN209654572U CN201822184894.0U CN201822184894U CN209654572U CN 209654572 U CN209654572 U CN 209654572U CN 201822184894 U CN201822184894 U CN 201822184894U CN 209654572 U CN209654572 U CN 209654572U
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- gearbox
- planetary gear
- liquid level
- lubricating oil
- planet carrier
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Abstract
The utility model discloses a kind of offshore platform crane planetary gear reduction box, including lubricating system and first order transmission mechanism, lubricating system includes liquid level observation device, pressure communicating pipe, lubricating oil oil drum and breathing helmet, liquid level observation device is set to Gearbox top end cover, it is connected to Gearbox inside, breathing helmet is arranged in lubricating oil oil drum one end, is connected to inside the other end and Gearbox, and liquid level observation device is connected with lubricating oil oil drum by pressure communicating pipe；First order transmission mechanism includes planet carrier, and planet carrier is set on the motor input terminal axis inside Gearbox, and uniformly fixed on planet carrier there are four planetary gears, and each planetary gear passes through needle bearing to be fixed with planet carrier.The utility model can clearly see the liquid level of oil liquid, avoid the occurrence of the risk of faulty lubrication, and needle roller is changed to needle bearing, even if being broken occurs in needle roller will not move axially since the presence of bearing retainer controls needle roller.
Description
Technical field
The utility model relates to offshore platform cranes, and more specifically, it relates to a kind of offshore platform crane planets
Gear reduction box.
Background technique
Three domestic loop wheel machines are disposed on offshore oil 113FPSO, the loop wheel machine of the type is exclusively for offshore oil industry
The special marine crane manufactured and designed, in order to meet the daily lifting work of FPSO, the auxiliary hook operating radius of the type loop wheel machine reaches
To 51.3 meters, boom is up to 55 meters, and rotary gear box uses the hydraulic gyration planetary reduction box of international mainstream at that time, boom
Length it is too long, the revolution the moment of inertia of crane increases with it, therefore increases burden to crane swing mechanism, due to domestic at that time
Technical force and at produce condition limitation, rotary gear box part design do not reach international most advanced level, ignore part subtract
The live operability of fast case attachment causes scene to the limitation of rotary reducer structure maintenance, and FPSO crane uses
Frequency is higher, and operating condition is more severe, and attended operation is inconvenient, causes crane revolution case failure to occur repeatedly, to oil field production and living
Produce certain influence.
Planetary reduction box is a kind of common deceleration mechanism, applies the environment occasion in heavy duty, the torsion of hydraulic motor output
Square loads on entire planetary reduction box completely, turns round frequent start and stop and commutation during crane routine use, all can be to row
Star reduction gearbox is caused to impact and be worn, therefore lubricating oil needs to be full of inside entire planetary reduction box, but former rotary gear box
Fill level mark is not intuitive, and oil filler is too small, oiling is difficult, be easy to cause rotary planetary to slow down in the case that monitoring is not in place
The long-time oil starvation of machine primary planet deceleration mechanism is run, and the rolling after primary speed-down mechanism insufficient lubrication, as transmission mechanism
Dry friction between needle causes breaking for needle roller, falls to inside next stage rotary reducer structure, causes after being detached from original position
The moving components such as next stage planetary gear gear are stuck, cause planetary reduction box failure, so that loop wheel machine can not work normally, maintenance side
The mode periodically opened and inspect, refueled on time is often taken in formula, but such maintenance mode can not thoroughly eliminate potential faults, therefore to this
Type gear reduction gearbox is transformed, and fundamentally solving the failure is extremely urgent thing.
Utility model content
The purpose of this utility model is to overcome deficiencies in the prior art, provide a kind of offshore platform crane planet
Gear reduction box can clearly see the liquid level of oil liquid, avoid the occurrence of the risk of faulty lubrication, and needle roller is changed to needle roller axis
It holds, even if being broken occurs in needle roller will not move axially since the presence of bearing retainer controls needle roller.
The purpose of this utility model is achieved through the following technical solutions.
The offshore platform crane planetary gear reduction box of the utility model, including lubricating system and first order driver
Structure, the lubricating system include liquid level observation device, pressure communicating pipe, lubricating oil oil drum and breathing helmet, the liquid level observation dress
It installs and is placed in Gearbox top end cover, be connected to Gearbox inside, lubricating oil oil drum one end is provided with breathing
It is connected to inside cap, the other end and Gearbox, the liquid level observation device is connected with lubricating oil oil drum by pressure communicating pipe
It is logical；
The first order transmission mechanism includes planet carrier, and the planet carrier is set to the input of the motor inside Gearbox
It holds on axis, uniformly fixed there are four planetary gear on the planet carrier, each planetary gear passes through needle bearing and row
Carrier is fixed.
The liquid level observation device is the transparent liquidometer of acrylic, is connect by bolt with Gearbox.
The pressure communicating pipe is seamless steel pipe.
The lubricating oil oil drum is wide-mouth gas permeable devices, the lubricating oil oil drum and Gearbox, pressure communicating pipe and
Breathing helmet is all made of threaded connection.
The breathing helmet is stainless steel Ventilated cap, is connected through a screw thread and is mounted on lubricating oil oil drum.
Compared with prior art, beneficial effect brought by the technical solution of the utility model is:
(1) it is small can to improve one-way breather valve air hole for the utility model, be easy the drawbacks of being blocked by sundries, newly increase
Lubricating oil oil drum belongs to wide-mouth gas permeable devices, and liquid level observation device is connected with lubricating oil oil drum by pressure communicating pipe, pressure
Communicating pipe is seamless steel pipe, for connecting liquid level observation device and lubricating oil oil drum, guarantees liquid level observation device and lubricating oil oil storage
Cylinder is connected to, and above lubricating oil oil drum lid plus stainless steel Ventilated cap is breathed, and is not blocked, while being conducive to the heat dissipation of lubricating oil.
(2) it needs to open cover when the utility model can improve stoste position indicator drum observation liquid level and carries out overlook view
Drawback, the transparent liquid level observation any angle of device of the acrylic newly increased can observe liquid level, convenient for discovery liquid level shape in time
State.
(3) needle roller that the utility model variation dissipates installation is needle bearing, and needle bearing increases guarantor in the outer ring of needle roller
Frame is held, there is no axial movements to not readily disengage from original position for needle roller；Three planetary gear layout changings are four, four
Than three planetary gear stress of planetary gear structure more balance, and each planetary gear stress is reduced, and increase its use
Service life.
This programme has passed through multiple authentication at present, and multiple gear reduction boxs are transformed, and after upgrading, passes through
The observation of a period of time, using effect is good, reduces loop wheel machine swiveling gear reduction gearbox probability of failure, and it is steady to improve loop wheel machine operating
It is qualitative, effective guarantee is provided for offshore production life.
Detailed description of the invention
Fig. 1 is the offshore platform crane planetary gear reduction box cross-sectional view before transformation；
Fig. 2 is the partial sectional view of the utility model offshore platform crane planetary gear reduction box；
(a) is the planetary gear layout drawing before transformation in Fig. 3, (b) is improved planetary gear layout drawing.
Appended drawing reference: 1 planetary gear；2 needle rollers；3 check valve air holes；4 lubricating oil oiling oil drums；5 liquid levels observe device；
6 pressure communicating pipes；7 lubricating oil oil drums；8 breathing helmets；9 needle bearings；10 planet carriers, 11 Gearbox top end covers, 12 horses
Up to input terminal axis.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
As shown in Figure 1, the offshore platform crane planetary gear reduction box before a kind of transformation, including three planetary gears 1,
Needle roller 2, check valve air hole 3, lubricating oil oiling oil drum 4.Wherein, needle roller 2 is installed on inside planetary gear 1, is planetary gear 1
Internal rolling element.Check valve air hole 3 is the lubricating oil venthole that front gear reduction gearbox is transformed.Lubricating oil oiling oil drum 4 is
Lubricant charging and the observation position of front gear reduction gearbox is transformed.
The utility model offshore platform crane planetary gear reduction box improvement project, including lubricating system modification scheme and
First order transmission mechanism modification scheme.Lubricating system modification scheme includes the transformation of refueling device and air-breather, including liquid level
Observe device 5, pressure communicating pipe 6, lubricating oil oil drum 7, breathing helmet 8.First order transmission mechanism modification scheme includes planetary gear 1
The transformation of quantity, the transformation of needle bearing 9.The transformation of 1 quantity of planetary gear is to change the layout of original three planetary gears 1
Become the layout of four planetary gears 1, to reduce the stress of each planetary gear 1, reduces the stress of needle bearing 9, avoid
The phenomenon that needle roller 2 is broken.The transformation of needle bearing 9 is that the needle roller 2 at 1 axis of protoplanet gear is replaced with needle bearing 9, thus anti-
Only needle roller 2 is fallen into gear reduction box after being broken, and influences other grade of transmission.
As shown in Fig. 2, the offshore platform crane planetary gear reduction box of the utility model, including lubricating system and first
Grade transmission mechanism, the lubricating system include liquid level observation device 5, pressure communicating pipe 6, lubricating oil oil drum 7 and breathing helmet 8, institute
It states 7 one end of lubricating oil oil drum and is provided with breathing helmet 8, be connected to inside the other end and Gearbox, the liquid level observes 5 He of device
Lubricating oil oil drum 7 is by being connected pressure communicating pipe 6.Wherein, the liquid level observation device 5 is the transparent liquidometer of acrylic, is used
In observation gear reduction box liquid level, it is mounted on Gearbox top end cover 11 and (is preferably mounted at lubricating oil oiling storage before transformation
The position of oily cylinder 4), it is connect by bolt with Gearbox, is connected to Gearbox inside.The pressure communicating pipe 6 is
Seamless steel pipe guarantees that liquid level observation device 5 and lubricating oil oil drum 7 connect for connecting liquid level observation device 5 and lubricating oil oil drum 7
It is logical, it is breathed by breathing helmet 8.The lubricating oil oil drum 7 is wide-mouth gas permeable devices, the check valve air hole before substitution transformation
3, it is acted on for oil filling, storage, the lubricating oil oil drum 7 and Gearbox, pressure communicating pipe 6 and breathing helmet 8 are equal
Using threaded connection.The breathing helmet 8 is stainless steel Ventilated cap, for lubricating system breathing, heat dissipation, is connected through a screw thread installation
On lubricating oil oil drum 7.
As shown in figure 3, the first order transmission mechanism includes planet carrier 10, the planet carrier 10 is set to Gearbox
On internal motor input terminal axis 12, uniformly fixed on the planet carrier 10 there are four planetary gear 1, each planetary gears
1 is fixed by needle bearing 9 and planet carrier 10.The planetary gear 1 is reduction gearbox first order reduction gearing, is subtracted for being driven
Speed installs needle bearing 9 inside the planetary gear 1 of reduction gearbox after transformation.The needle bearing 9 is that planetary gear 1 is improved
Rolling element, the rotation for planetary gear 1.The planet carrier 10 is the mounting rack of planetary gear 1.
The utility model modification scheme can improve gear reduction box lubricating system lubrication, heat dissipation and first order transmission mechanism
Stress condition, the program application reduce loop wheel machine rotary gear box probability of failure, improve loop wheel machine run stability, for sea
Upper production and living provide effective guarantee.
Although being described above in conjunction with function and the course of work of the attached drawing to the utility model, the utility model is simultaneously
It is not limited to above-mentioned concrete function and the course of work, the above mentioned embodiment is only schematical, rather than limits
Property, those skilled in the art are not departing from the utility model aims and right is wanted under the enlightenment of the utility model
It asks under protected ambit, many forms can also be made, these are belonged within the protection of the utility model.
Claims (5)
1. a kind of offshore platform crane planetary gear reduction box, including lubricating system and first order transmission mechanism, feature exist
In the lubricating system includes liquid level observation device (5), pressure communicating pipe (6), lubricating oil oil drum (7) and breathing helmet (8), institute
It states liquid level observation device (5) and is set to Gearbox top end cover (11), be connected to Gearbox inside, the lubricating oil storage
Oily cylinder (7) one end is provided with breathing helmet (8), is connected to inside the other end and Gearbox, and the liquid level is observed device (5) and sliding
Oily oil drum (7) is connected by pressure communicating pipe (6)；
The first order transmission mechanism includes planet carrier (10), and the planet carrier (10) is set to the motor inside Gearbox
On input terminal axis (12), uniformly fixed on the planet carrier (10) there are four planetary gear (1), each planetary gears (1)
It is fixed by needle bearing (9) and planet carrier (10).
2. offshore platform crane planetary gear reduction box according to claim 1, which is characterized in that the liquid level observation
Device (5) is the transparent liquidometer of acrylic, is connect by bolt with Gearbox.
3. offshore platform crane planetary gear reduction box according to claim 1, which is characterized in that the pressure connection
Managing (6) is seamless steel pipe.
4. offshore platform crane planetary gear reduction box according to claim 1, which is characterized in that the lubricating oil oil storage
Cylinder (7) is wide-mouth gas permeable devices, and the lubricating oil oil drum (7) and Gearbox, pressure communicating pipe (6) and breathing helmet (8) are equal
Using threaded connection.
5. offshore platform crane planetary gear reduction box according to claim 1, which is characterized in that the breathing helmet
(8) it is stainless steel Ventilated cap, is connected through a screw thread and is mounted on lubricating oil oil drum (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184894.0U CN209654572U (en) | 2018-12-25 | 2018-12-25 | A kind of offshore platform crane planetary gear reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184894.0U CN209654572U (en) | 2018-12-25 | 2018-12-25 | A kind of offshore platform crane planetary gear reduction box |
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| Publication Number | Publication Date |
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| CN209654572U true CN209654572U (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822184894.0U Active CN209654572U (en) | 2018-12-25 | 2018-12-25 | A kind of offshore platform crane planetary gear reduction box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854728A (en) * | 2018-12-25 | 2019-06-07 | 中海油能源发展股份有限公司 | A kind of offshore platform crane planetary gear reduction box |
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2018
- 2018-12-25 CN CN201822184894.0U patent/CN209654572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854728A (en) * | 2018-12-25 | 2019-06-07 | 中海油能源发展股份有限公司 | A kind of offshore platform crane planetary gear reduction box |
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