CN107606122A - A kind of lubrication system of high speed planetary reduction gear - Google Patents
A kind of lubrication system of high speed planetary reduction gear Download PDFInfo
- Publication number
- CN107606122A CN107606122A CN201711011352.7A CN201711011352A CN107606122A CN 107606122 A CN107606122 A CN 107606122A CN 201711011352 A CN201711011352 A CN 201711011352A CN 107606122 A CN107606122 A CN 107606122A
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- CN
- China
- Prior art keywords
- gear
- oil
- output shaft
- shell
- oil duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000012208 gear oil Substances 0.000 claims abstract description 26
- 239000010687 lubricating oil Substances 0.000 claims abstract description 24
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
The invention discloses a kind of lubrication system of high speed planetary reduction gear, including shell, gear mechanism is installed in shell, casing is formed between gear mechanism and shell, gear mechanism is connected with output shaft, the output shaft internal shaping has the cavity for holding lubricating oil, outer oil sump is formed with outside output shaft, cavity is connected by output shaft pressure oil duct with outer oil sump, the pressure oil duct connected with outer oil sump is formed with shell, radiator is installed, pressure oil duct is after radiator heat-dissipation with lubricating oil is sprayed onto on gear mechanism above shell；Lower box is communicated with gear oil pump by negative pressure oil duct, and gear oil pump connects with outer oil sump；Gear oil pump is connected with output shaft.The present invention need not be additionally provided the power of oil pump；Pump oil speed can be adjusted in real time according to the running speed of planetary reduction gear, and be radiated with lubricating oil, helped decelerator to accelerate radiating, also pass through special fixation nested structure so that reductor operating is more steady.
Description
Technical field
The invention belongs to mechanical field, more particularly to a kind of lubrication system of high speed planetary reduction gear.
Background technology
The planetary gear of reductor when running at high speed, it is necessary to lubricating oil is lubricated, but existing high-speed overload row
Star gear reduction unit lubricating efficiency is low, and can not adjust consumption of lubricating oil as needed, it is therefore desirable to is improved, in addition
Substantial amounts of heat is produced when decelerator runs at high speed, therefore is also required to radiator structure and is radiated.Finally, the input shaft one of reductor
As output shaft is connected with being driven mechanism by lock sleeve, but existing lock sleeve in order to keep fixation be radially be in one
Individual plane, therefore be an overall structure, as shown in figure 4, cell body is opened up in side, and corresponding cell body sets upper screwed hole with
Screwed hole, bolt fix output shaft through upper screwed hole and lower screwed hole and are driven mechanism, at corresponding fluting and screwed hole, if
Loss of weight face is put, keeps balance of the input shaft when high speed rotates.But because said structure is not full symmetric, Er Qiezhen
To different motor shafts, the degree that bolt tightens screwed hole is different, more causes the imbalance of lock sleeve, this causes reductor in height
During speed operating, phenomena such as easily vibrations, and noise is larger, in addition, this is small with the scope of the motor shaft diameter of axle of Structure adaptation.
The content of the invention
To solve the above problems, the invention provides a kind of lubrication system of high speed planetary reduction gear, the present invention need not
It is additionally provided the power of oil pump；Pump oil speed can be adjusted in real time according to the running speed of planetary reduction gear, and entered with lubricating oil
Row radiating, helps decelerator to accelerate radiating, also passes through special fixation nested structure so that reductor operating is more steady.
To reach above-mentioned technique effect, the technical scheme is that：
A kind of lubrication system of high speed planetary reduction gear, including shell, are provided with gear mechanism in shell, gear mechanism with
Casing is formed between shell, gear mechanism is connected with output shaft, and the output shaft internal shaping has the cavity for holding lubricating oil, output
Outer oil sump is formed with outside axle, cavity is connected with outer oil sump by output shaft pressure oil duct, is formed with shell and connected with outer oil sump
Pressure oil duct, radiator is installed, pressure oil duct is surrounded after radiator heat-dissipation with lubricating oil is sprayed onto into gear above shell
In mechanism；Lower box is communicated with gear oil pump by negative pressure oil duct, and gear oil pump connects with outer oil sump；Gear oil pump and output
Axle is connected.
Further to improve, the gear oil pump is engaged by gear with output shaft to be connected.
Further to improve, the cavity internal shaping has inner oil sump, the planetary gear connected with inner oil sump is formed with shell
Lubrication is sprayed onto on gear mechanism by oil duct, planetary gear oil duct.
Further to improve, lubricating oil is sprayed onto gear mechanism side by the pressure oil duct, and planetary gear oil duct will lubricate
Oil is sprayed onto gear mechanism opposite side.
Further to improve, lubricating oil is sprayed onto on gear mechanism by the pressure oil duct by oil spout oil duct；Casing leads to
Cross fuel sucking pipe to connect with negative pressure oil duct, screen pack is installed on fuel sucking pipe.
Further to improve, the gear mechanism is connected with input shaft, and input shaft is connected by lock sleeve and motor shaft locking
Connect, the lock sleeve includes lock sleeve body, and vertical slot is symmetrically offered on lock sleeve body, and the lock sleeve body of vertical slot both sides leads to
Cross upper ring body to be connected, and be formed with the screwed hole being oppositely arranged, offered on upper ring body and the vertically disposed translot of vertical slot.
Further to improve, the vertical slot is on the axis of translot.
Compared with prior art, the invention has the advantages that：
1. oil pump directly starts building to make by the rotational band of output shaft, it is not necessary to is additionally provided the power of oil pump；
2. the pump oil amount of oil pump is with the rotation speed change of reducer output shaft, oil when each gear rotational speed improves in planetary reduction gear
The pump oil amount increase of pump, on the contrary then pump oil amount are reduced；
3. negative pressure oil suction part and pressure oil duct are arranged in the casing and output shaft of decelerator, compact-sized not need volume
Outer arrangement pipeline space-consuming；
4. the lubricating oil part by oil pump pressurization is returned in casing after flowing through radiator, effectively make in casing
High temperature grease and outside air carry out heat exchange, help decelerator radiating.
5. lock sleeve more to stablize when reductor rotates with motor connection, noise is low, and adapts to larger range of
Motor shaft.
Brief description of the drawings
Fig. 1 is the overall structure diagram of fast planetary reduction gear lubrication system；
Fig. 2 is high speed planetary reduction gear lubrication system oil suction part-structure schematic diagram；
Fig. 3 is high speed planetary reduction gear lubricating system oil pump structure；
Fig. 4 is the structural representation of existing lock sleeve；
Fig. 5 is the structural representation that input shaft is fastened with motor shaft by lock sleeve；
Fig. 6 is the side structure schematic diagram of this patent lock sleeve；
Fig. 7 looks up cross-sectional view for this patent locking.
Wherein, wherein, 1- negative pressure oil ducts；2- gear oil pumps；3- output shafts；4- pressure oil ducts；5- radiators；6- oil spouts oil
Road；7- gear mechanisms；8- planetary gear oil ducts；9- screen packs；10- fuel sucking pipes；11- end caps；12- bias gear rings；13- external gears；
14- output shaft pressure oil ducts；15- cavitys；16- outer oil sumps；17- shells；18- casings；19- inner oil sumps；20- input shafts；21- locks
Tight set；22 motor shafts；23 lock sleeve bodies；24 vertical slots；25 upper ring bodies；26 translots；27 screwed holes.
Embodiment
Illustrated below by way of embodiment and with reference to accompanying drawing to technical scheme.
Embodiment 1
A kind of lubrication system of high speed planetary reduction gear as Figure 1-3, including shell 17, the interior installation of shell 17 are with teeth
Mechanism 7 is taken turns, casing 18 is formed between gear mechanism 7 and shell 17, gear mechanism 7 is connected with output shaft 3, in the output shaft 3
Be formed with the cavity 15 for holding lubricating oil, be formed with outer oil sump 16 outside output shaft 3, cavity 15 by output shaft pressure oil duct 14 with
Outer oil sump 16 is connected, and the pressure oil duct 4 connected with outer oil sump 16 is formed with shell 17, and the top of shell 17 is provided with radiator 5,
Pressure oil duct 4 is after the radiating of radiator 5 with lubricating oil is sprayed onto on gear mechanism 7；The bottom of casing 18 passes through negative pressure oil duct 1
Gear oil pump 2 is communicated with, gear oil pump 2 connects with outer oil sump 16；Gear oil pump 2 is connected with output shaft 3.
Gear oil pump 2 is engaged by gear with output shaft 3 to be connected.
The internal shaping of cavity 15 has inner oil sump 19, and the planetary gear oil duct 8 connected with inner oil sump 19, planet are formed with shell 17
Lubrication is sprayed onto on gear mechanism 7 by wheel oil duct 8.
Lubricating oil is sprayed onto the side of gear mechanism 7 by pressure oil duct 4, and lubricating oil is sprayed onto gear mechanism by planetary gear oil duct 8
The opposite side of structure 7.
Lubricating oil is sprayed onto on gear mechanism 7 by pressure oil duct 4 by oil spout oil duct 6；Casing 18 by fuel sucking pipe 10 with
Negative pressure oil duct 1 is connected, and screen pack 9 is provided with fuel sucking pipe 10.
Output shaft 3 drives oil pump internal-external gear to rotate during decelerator normal work, due to negative pressure cavity caused by gear rotation
Connect the negative pressure oil duct 1 and pressure oil duct 4 on casing respectively with pressure chamber, the pressure oil duct 4 on casing simultaneously again with output
Axle pressure oil duct 14 is connected.Lubricating oil in casing flows into gear oil pump by filter screen 9, fuel sucking pipe 10 and negative pressure oil duct 1.Lubrication
Oil flows to pressure oil duct 4 and output shaft pressure oil duct 14 respectively after over pressurizeed from pressure chamber.Into the lubrication in output shaft
Oil is flowed back in casing after planetary gear oil duct 8 is lubricated to gear or intermediate bearing is lubricated.And enter casing pressure
The lubricating oil of power oil duct 4 carries out spray lubrication by oil spout oil duct after radiator 5 discharges heat to gear, finally flows back to case
The recycling of lubricating oil is realized in vivo
Embodiment 2
As illustrated in figs. 5-7, gear mechanism 7 is connected with input shaft 20, and input shaft 20 is locked by lock sleeve 21 and motor shaft 22
It is close to and connects, the lock sleeve 21 includes lock sleeve body 23, and vertical slot 24, the both sides of vertical slot 24 are symmetrically offered on lock sleeve body 23
Lock sleeve body 23 be connected by upper ring body 25, and be formed with the screwed hole 27 being oppositely arranged, offered on upper ring body 25
Translot 26 vertically disposed with vertical slot 24.
Vertical slot 24 is on the axis of translot 26.
Embodiment 3
In order to ensure the wear-resisting intensity of sun gear and planetary gear in gear mechanism, the composition of sun gear and planetary gear is as follows：
Zinc 83~86%, iron 4~8%, aluminium 2~8%, silicon 2.4~3%, carbon 0.1~1%, copper 0.2~0.5%, magnesium 0.5~1%, vanadium
0.1~0.5%, the lead 0.002~0.005% of chromium 0.005~0.007%, titanium 0.003~0.008%.By above-mentioned material in proportion
Add in smelting furnace, heat high-temperature fusion, stirring, heating rate during heating is 6 degrees Celsius of heating per minute and heating 3 per minute
The heating of degree Celsius mixed and alternate；Melting time is 2.5~3h, every half an hour stirring once, stirs 1~3min every time；Then
By delivery of molten metal into holding furnace, die cast in die casting machine is re-introduced into, is cooled down, is obtained sun gear and planetary gear is preliminary
Product, polishing, burr obtain final finished afterwards.After testing, the extension property of the obtained sun gear and planetary gear of this patent, anti-
Tensile strength, shear strength and wearability and hardness greatly improve, and service life adds than original sun gear and planetary gear
More than 50%.
The specific guiding embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto,
All changes for carrying out unsubstantiality to the present invention using this design, all should belong to the behavior for invading protection scope of the present invention.
Claims (6)
1. a kind of lubrication system of high speed planetary reduction gear, including shell (17), shell (17) is interior to be provided with gear mechanism (7),
Casing (18) is formed between gear mechanism (7) and shell (17), gear mechanism (7) is connected with output shaft (3), it is characterised in that
Output shaft (3) internal shaping has the cavity (15) for holding lubricating oil, and outer oil sump (16), cavity are formed with outside output shaft (3)
(15) connected by output shaft pressure oil duct (14) with outer oil sump (16), be formed with what is connected with outer oil sump (16) on shell (17)
Pressure oil duct (4), shell (17) top are provided with radiator (5), and pressure oil duct (4) is after radiator (5) radiating with that will moisten
Lubricating oil is sprayed onto on gear mechanism (7)；Casing (18) bottom is communicated with gear oil pump (2), gear oil pump by negative pressure oil duct (1)
(2) connected with outer oil sump (16)；Gear oil pump (2) is connected with output shaft (3)；The gear mechanism (7) is connected with input shaft
(20), input shaft (20) is connected by lock sleeve (21) and motor shaft (22) locking, and the lock sleeve (21) includes lock sleeve sheet
Body (23), vertical slot (24) is symmetrically offered on lock sleeve body (23), the lock sleeve body (23) of vertical slot (24) both sides is by upper
Ring body (25) is connected, and is formed with the screwed hole (27) being oppositely arranged, and is offered on upper ring body (25) vertical with vertical slot (24)
The translot (26) of setting.
2. the lubrication system of high speed planetary reduction gear as claimed in claim 1, it is characterised in that the gear oil pump (2) is logical
Cross gear and engaged with output shaft (3) and is connected.
3. the lubrication system of high speed planetary reduction gear as claimed in claim 1, it is characterised in that cavity (15) internal shaping
There is inner oil sump (19), the planetary gear oil duct (8) connected with inner oil sump (19) is formed with shell (17), planetary gear oil duct (8) will
Lubrication is sprayed onto on gear mechanism (7).
4. the lubrication system of high speed planetary reduction gear as claimed in claim 3, it is characterised in that the pressure oil duct (4) will
Lubricating oil is sprayed onto gear mechanism (7) side, and lubricating oil is sprayed onto gear mechanism (7) opposite side by planetary gear oil duct (8).
5. the lubrication system of high speed planetary reduction gear as claimed in claim 1, it is characterised in that the pressure oil duct (4) is logical
Cross oil spout oil duct (6) lubricating oil is sprayed onto on gear mechanism (7)；Casing (18) passes through fuel sucking pipe (10) and negative pressure oil duct (1)
Connect, screen pack (9) is installed on fuel sucking pipe (10).
6. the lubrication system of high speed planetary reduction gear as claimed in claim 1, it is characterised in that the vertical slot (24) is in horizontal stroke
On the axis of groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011352.7A CN107606122B (en) | 2017-10-26 | 2017-10-26 | A kind of lubrication system of high speed planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011352.7A CN107606122B (en) | 2017-10-26 | 2017-10-26 | A kind of lubrication system of high speed planetary reduction gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606122A true CN107606122A (en) | 2018-01-19 |
| CN107606122B CN107606122B (en) | 2018-09-21 |
Family
ID=61079872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011352.7A Active CN107606122B (en) | 2017-10-26 | 2017-10-26 | A kind of lubrication system of high speed planetary reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606122B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953577A (en) * | 2018-09-27 | 2018-12-07 | 湖南机油泵股份有限公司 | A kind of retarder oil pump of fast lubricant oil duct integrated form |
| CN113404821A (en) * | 2021-05-13 | 2021-09-17 | 东莞市纽格尔行星传动设备有限公司 | Low-noise stable planetary gear speed reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893812A (en) * | 1996-05-21 | 1999-04-13 | Honda Giken Kogyo Kabushiki Kaisha | Driving force distributing system for vehicle |
| JP2007120519A (en) * | 2005-10-25 | 2007-05-17 | Honda Motor Co Ltd | Lubricating device for power transmission system |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN201428794Y (en) * | 2009-05-27 | 2010-03-24 | 比亚迪股份有限公司 | Lubricating system of planetary gear train speed reducing mechanism |
| CN201448430U (en) * | 2009-04-13 | 2010-05-05 | 江苏泰隆减速机股份有限公司 | Self-driven type lubricating oil way system for planetary gear transmission |
| CN202360732U (en) * | 2011-12-13 | 2012-08-01 | 哈尔滨东安发动机（集团）有限公司 | Lubricating system of lubricating oil |
-
2017
- 2017-10-26 CN CN201711011352.7A patent/CN107606122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893812A (en) * | 1996-05-21 | 1999-04-13 | Honda Giken Kogyo Kabushiki Kaisha | Driving force distributing system for vehicle |
| JP2007120519A (en) * | 2005-10-25 | 2007-05-17 | Honda Motor Co Ltd | Lubricating device for power transmission system |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN201448430U (en) * | 2009-04-13 | 2010-05-05 | 江苏泰隆减速机股份有限公司 | Self-driven type lubricating oil way system for planetary gear transmission |
| CN201428794Y (en) * | 2009-05-27 | 2010-03-24 | 比亚迪股份有限公司 | Lubricating system of planetary gear train speed reducing mechanism |
| CN202360732U (en) * | 2011-12-13 | 2012-08-01 | 哈尔滨东安发动机（集团）有限公司 | Lubricating system of lubricating oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953577A (en) * | 2018-09-27 | 2018-12-07 | 湖南机油泵股份有限公司 | A kind of retarder oil pump of fast lubricant oil duct integrated form |
| CN113404821A (en) * | 2021-05-13 | 2021-09-17 | 东莞市纽格尔行星传动设备有限公司 | Low-noise stable planetary gear speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107606122B (en) | 2018-09-21 |
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Address after: No. 158, Jinsha East Road, Ningxiang high tech Industrial Park, Changsha, Hunan 410600 Patentee after: Wanxin Jinggong (Hunan) Co.,Ltd. Address before: 410600 jinshaw Road, Ningxiang City, Changsha City, Hunan Province, No. 158 Patentee before: WANSHSIN SEIKOU (HUNAN) Co.,Ltd. |
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Denomination of invention: Lubrication structure of a high-speed planetary reducer Granted publication date: 20180921 Pledgee: Hunan Ningxiang Rural Commercial Bank Co.,Ltd. Xiaduopu Sub branch Pledgor: Wanxin Jinggong (Hunan) Co.,Ltd. Registration number: Y2024980002308 |