CN104913026A - Vertical-mill gearbox with pure-sliding bearing configuration structure - Google Patents
Vertical-mill gearbox with pure-sliding bearing configuration structure Download PDFInfo
- Publication number
- CN104913026A CN104913026A CN201510331804.4A CN201510331804A CN104913026A CN 104913026 A CN104913026 A CN 104913026A CN 201510331804 A CN201510331804 A CN 201510331804A CN 104913026 A CN104913026 A CN 104913026A
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- Prior art keywords
- sliding bearing
- shaft
- gear
- supported
- gearbox
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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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
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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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a vertical-mill gearbox with a pure-sliding bearing configuration structure. The vertical-mill gearbox comprises a box body, an input-stage bevel gear pair, a second-stage parallel-axis cylindrical gear pair, an output-stage planetary gear and an output flange; the output flange is supported through a set of tilting-pad thrust sliding bearings; other motion parts are supported by sliding bearings. The vertical-mill gearbox has the advantages that all stages of driving gear parts and driving parts of the gearbox adopt the sliding bearing configuration support structure, and sliding bearing support is high in bearing capacity, long in service life, high in cost performance, short in delivery time, good in maintenance performance and the like; lubricating oil films of the sliding bearings feature in providing damping for rotating parts and restricting vibration, running steadiness and bearing capacity of the gearbox can be improved, all the sliding bearings adopt forced lubrication, and an entire machine is higher in reliability; the entire structure can be more compact by the aid of the sliding bearing configuration support structure, the entire machine is downsized and reduced in weight, and power density ratio of the gearbox is increased.
Description
Technical field
The present invention relates to a kind of Vertical Mill gear-box, especially a kind of vertical roll grinder gear-box adopting high-power, the large speed ratio of full sliding bearing configuration structure.
Background technique
Current Vertical Mill gear-box generally all adopts rolling bearing configuration structure, along with the technical development of the continuous maximization of vertical mill system self, compactness, Vertical Mill gear-box needs the power of transmission increasing, power density ratio requires more and more higher, reliability requirement is also more and more higher, and the deficiency of rolling bearing configuration structure highlights day by day.First, be applied to the large gauge rolling bearing of Vertical Mill gear-box input high speed shaft, along with its bearing capacity of increase of gear-box capacity and allowable rotating speed are more and more difficult to meet design requirement simultaneously, seriously constrain high-power and high-speed Vertical Mill gear-box to the development of maximizing; Secondly, for improving bearing capacity, the multirow star wheel series such as 4 planets, 5 planets, 6 planets are more and more applied in Vertical Mill gear-box, rolling bearing is more and more difficult to the restriction meeting the inner installing space of planet wheel, reduces gear wall thickness to increase the rigid construction that space then can increase planetary gear train and gear-box greatly.Increase application risk; 3rd, Vertical Mill gear-box operating mode is severe, and reliability requirement is high simultaneously, and therefore rolling bearing overload capacity is poor, expensive, to have a strong impact on high-power Vertical Mill gear-box manufacture, operation and maintenance cost.Therefore, how to seek a kind of completely newly, the Vertical Mill gear-box of high reliability, high performance-price ratio bearing arrangement structure to meet the growing performance requirement of vertical mill system, become the problem that people pay close attention to.
Summary of the invention
The object of the invention is to: generally all adopt rolling bearing configuration structure for current Vertical Mill gear-box, be difficult to the practical problem meeting the growing performance requirement of vertical mill system opposition roll flute roller box, a kind of Vertical Mill gear-box of full sliding bearing configuration structure is newly provided.
The object of the present invention is achieved like this: a kind of Vertical Mill gear-box of full sliding bearing configuration structure, comprise casing, input stage bevel gear pair, second level parallel axes cylindrical gear pair, output stage planetary pinion pair and output flange, described input stage bevel gear pair comprises input bevel gear shaft, driven wheel of differential; Described second level parallel axes cylindrical gear pair comprises pinion shaft, driven gearwheel, crowned teeth axle; Described output stage planetary pinion pair comprises sun wheel shaft, planet wheel, ring gear, planet wheel shaft, planet carrier; It is characterized in that: described output flange is supported by one group of tilting bush thrust slide bearing; The support of other each moving elements all adopts sliding bearing, and concrete structure is as follows:
A) input bevel gear shaft, pinion shaft and crowned teeth axle and be supported in casing respectively by twice sliding bearing, planet carrier is supported in casing by sliding bearing;
B) driven wheel of differential is fixed on pinion shaft by key, and driven gearwheel is fixed on crowned teeth axle by key;
C) input bevel gear shaft to engage with driven wheel of differential, pinion shaft engages with driven gearwheel, the sun wheel shaft of output stage planetary pinion pair and crowned teeth axle are positioned on same medial axis, and the axle head that they are positioned at connecting part is equipped with external tooth, and synchronization motion after being docked by the internal tooth connecting sleeve mated;
D) each planet wheel of output stage planetary pinion pair is all arranged on planet wheel shaft by sliding bearing, then is supported on planet carrier by planet wheel shaft, and planet wheel engages with sun wheel shaft and ring gear simultaneously;
E) output flange is connected with the planet carrier of output stage planetary pinion pair, and is supported on casing by one group of tilting-type thrust slide bearing.
In the present invention: in casing, be provided with pressure lubrication oil duct, the end of pressure lubrication oil duct arrives at tilting bush thrust slide bearing and each sliding bearing respectively.
In the present invention: described tilting bush thrust slide bearing and each sliding bearing are Babbitt, or copper base alloy, or acieral, or characteristics of elastic metallic plastic composite make.
The invention has the advantages that: gear-box driving cog gear member at different levels and driving component all have employed sliding bearing configuration supporting structure, sliding bearing supports has the advantages such as bearing capacity is strong, the life-span is high, cost performance is high, delivery date is short, maintainability is good; The lubricant film of sliding bearing has for rotary component provides damping, suppresses the characteristic of vibration, can improve gear-box running stability and bearing capacity, because whole sliding bearing all have employed pressure lubrication, make whole aircraft reliability higher; Sliding bearing configuration supporting structure can make overall structure compacter simultaneously, reduces the volume and weight of complete machine, improves the power density ratio of gear-box.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention process row.
In figure: 1, input bevel gear shaft, 2, sliding bearing, 3, casing, 4, driven wheel of differential, 5, pinion shaft, 6, tilting bush thrust slide bearing, 7, pressure lubrication oil duct, 8, driven gearwheel, 9, crowned teeth axle, 10, output flange, 11, key, 12, internal tooth connecting sleeve, 13, sun wheel shaft, 14, planet wheel, 15, planet carrier, 16, ring gear, 17, planet wheel shaft.
Embodiment
Accompanying drawing discloses the concrete structure of a kind of implementation column of the present invention without limitation, and below in conjunction with accompanying drawing, the invention will be further described.
As seen from Figure 1: the present invention includes casing 3, input stage bevel gear pair, second level parallel axes cylindrical gear pair, output stage planetary pinion pair and output flange 10, described input stage bevel gear pair comprises input bevel gear shaft 1, driven wheel of differential 4; Described second level parallel axes cylindrical gear pair comprises pinion shaft 5, driven gearwheel 8, crowned teeth axle 9; Described output stage planetary pinion pair comprises sun wheel shaft 13, planet wheel 14, ring gear 16, planet wheel shaft 17, planet carrier 15; Wherein: described output flange 10 is supported by one group of tilting bush thrust slide bearing 6; The support of other each moving elements all adopts sliding bearing 2, and concrete structure is as follows:
Input bevel gear shaft 1, pinion shaft 5 and crowned teeth axle 9 are supported in casing 3 respectively by twice sliding bearing 2, and planet carrier 15 is supported in casing 3 by sliding bearing 2.Driven wheel of differential 4 is fixed on pinion shaft 5 by key 11, and driven gearwheel 8 is fixed on crowned teeth axle 9 by key 11; Input bevel gear shaft 1 engages 4 with driven wheel of differential, pinion shaft 5 engages with driven gearwheel 8, the sun wheel shaft 13 of output stage planetary pinion pair and crowned teeth axle 9 are positioned on same medial axis, the axle head that they are positioned at connecting part is equipped with external tooth, and docks rear synchronization motion by the internal tooth connecting sleeve 12 mated.Each planet wheel 14 of output stage planetary pinion pair is all arranged on planet wheel shaft 17 by sliding bearing 2, then is supported on planet carrier 15 by planet wheel shaft 17, and planet wheel 14 engages with sun wheel shaft 13 and ring gear 16 simultaneously.Output flange 10 is connected with the planet carrier 15 of output stage planetary pinion pair, and is supported on casing 3 by one group of tilting-type thrust slide bearing 6.
In the present embodiment, be provided with pressure lubrication oil duct 7 in casing 3, the end of pressure lubrication oil duct 7 arrives at tilting bush thrust slide bearing 6 and each sliding bearing 2 respectively.
During concrete enforcement, described tilting bush thrust slide bearing 6 and each sliding bearing 2 all can adopt Babbitt, or copper base alloy, or acieral, or characteristics of elastic metallic plastic composite makes.
Claims (3)
1. the Vertical Mill gear-box of a full sliding bearing configuration structure, comprise casing, input stage bevel gear pair, second level parallel axes cylindrical gear pair, output stage planetary pinion pair and output flange, described input stage bevel gear pair comprises input bevel gear shaft, driven wheel of differential; Described second level parallel axes cylindrical gear pair comprises pinion shaft, driven gearwheel, crowned teeth axle; Described output stage planetary pinion pair comprises sun wheel shaft, planet wheel, ring gear, planet wheel shaft, planet carrier; It is characterized in that: described output flange is supported by one group of tilting bush thrust slide bearing; The support of other each moving elements all adopts sliding bearing, and concrete structure is as follows:
A) input bevel gear shaft, pinion shaft and crowned teeth axle and be supported in casing respectively by twice sliding bearing, planet carrier is supported in casing by sliding bearing;
B) driven wheel of differential is fixed on pinion shaft by key, and driven gearwheel is fixed on crowned teeth axle by key;
C) input bevel gear shaft to engage with driven wheel of differential, pinion shaft engages with driven gearwheel, the sun wheel shaft of output stage planetary pinion pair and crowned teeth axle are positioned on same medial axis, and the axle head that they are positioned at connecting part is equipped with external tooth, and synchronization motion after being docked by the internal tooth connecting sleeve mated;
D) each planet wheel of output stage planetary pinion pair is all arranged on planet wheel shaft by sliding bearing, then is supported on planet carrier by planet wheel shaft, and planet wheel engages with sun wheel shaft and ring gear simultaneously;
E) output flange is connected with the planet carrier of output stage planetary pinion pair, and is supported on casing by one group of tilting-type thrust slide bearing.
2. the Vertical Mill gear-box of full sliding bearing configuration structure according to claim 1, is characterized in that: be provided with pressure lubrication oil duct in casing, and the end of pressure lubrication oil duct arrives at tilting bush thrust slide bearing and each sliding bearing respectively.
3. the Vertical Mill gear-box of full sliding bearing configuration structure according to claim 1 and 2, it is characterized in that: described tilting bush thrust slide bearing and each sliding bearing are Babbitt, or copper base alloy, or acieral, or characteristics of elastic metallic plastic composite makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331804.4A CN104913026A (en) | 2015-06-16 | 2015-06-16 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331804.4A CN104913026A (en) | 2015-06-16 | 2015-06-16 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
Publications (1)
| Publication Number | Publication Date |
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| CN104913026A true CN104913026A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331804.4A Pending CN104913026A (en) | 2015-06-16 | 2015-06-16 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736666A (en) * | 2016-04-15 | 2016-07-06 | 南京高精齿轮集团有限公司 | Differential planet type vertical mill gearbox |
| CN107498505A (en) * | 2017-09-11 | 2017-12-22 | 江苏省金象传动设备股份有限公司 | A kind of vertical mill decelerator spiral bevel gear quick-disassembly structure |
| CN111005989A (en) * | 2019-12-22 | 2020-04-14 | 杭州前进齿轮箱集团股份有限公司 | Marine high-power gear box with full-sliding bearing structure |
| CN113374858A (en) * | 2021-07-15 | 2021-09-10 | 中信重工机械股份有限公司 | Gear pair for grinding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032223A (en) * | 1987-09-21 | 1989-04-05 | 玛卡罗夫将军尼柯莱耶夫斯基造船所 | Lubrication system for compressor |
| CN200949638Y (en) * | 2006-08-22 | 2007-09-19 | 南京高精齿轮集团有限公司 | Vertical speed reducer |
| CN104373572A (en) * | 2014-08-06 | 2015-02-25 | 吴小杰 | Dynamic balance cycloid speed reducer with zinc base alloy bearing for supporting |
| CN204755854U (en) * | 2015-06-16 | 2015-11-11 | 南京高精齿轮集团有限公司 | Upright gerar grinding roller box of full slide bearing configuration structure |
-
2015
- 2015-06-16 CN CN201510331804.4A patent/CN104913026A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032223A (en) * | 1987-09-21 | 1989-04-05 | 玛卡罗夫将军尼柯莱耶夫斯基造船所 | Lubrication system for compressor |
| CN200949638Y (en) * | 2006-08-22 | 2007-09-19 | 南京高精齿轮集团有限公司 | Vertical speed reducer |
| CN104373572A (en) * | 2014-08-06 | 2015-02-25 | 吴小杰 | Dynamic balance cycloid speed reducer with zinc base alloy bearing for supporting |
| CN204755854U (en) * | 2015-06-16 | 2015-11-11 | 南京高精齿轮集团有限公司 | Upright gerar grinding roller box of full slide bearing configuration structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736666A (en) * | 2016-04-15 | 2016-07-06 | 南京高精齿轮集团有限公司 | Differential planet type vertical mill gearbox |
| CN107498505A (en) * | 2017-09-11 | 2017-12-22 | 江苏省金象传动设备股份有限公司 | A kind of vertical mill decelerator spiral bevel gear quick-disassembly structure |
| CN107498505B (en) * | 2017-09-11 | 2024-01-23 | 江苏省金象传动设备股份有限公司 | Quick-dismantling structure for spiral bevel gear of speed reducer of vertical mill |
| CN111005989A (en) * | 2019-12-22 | 2020-04-14 | 杭州前进齿轮箱集团股份有限公司 | Marine high-power gear box with full-sliding bearing structure |
| CN113374858A (en) * | 2021-07-15 | 2021-09-10 | 中信重工机械股份有限公司 | Gear pair for grinding machine |
| CN113374858B (en) * | 2021-07-15 | 2023-02-28 | 中信重工机械股份有限公司 | Gear pair for grinding machine |
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Application publication date: 20150916 |
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