CN101655139B - Speed reducer with high transmission ratio - Google Patents
Speed reducer with high transmission ratio Download PDFInfo
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- CN101655139B CN101655139B CN2009100755157A CN200910075515A CN101655139B CN 101655139 B CN101655139 B CN 101655139B CN 2009100755157 A CN2009100755157 A CN 2009100755157A CN 200910075515 A CN200910075515 A CN 200910075515A CN 101655139 B CN101655139 B CN 101655139B
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- high speed
- shaft
- speed shaft
- lower velocity
- axle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a speed reducer, in particular to a speed reducer which has high transmission ratio and is applicable to an oil pumping unit. The transmission ratio of the speed reducer applied to the oil pumping unit can be further improved, and the internal structure of the speed reducer is simplified. The speed reducer comprises a box body formed by a box seat and a box cover, and a parallel-gear transmission mechanism formed by a high speed shaft, a medium and high speed shaft, a medium and low speed shaft, a low speed shaft and transmission gears arranged among the shafts; wherein the inner walls at the two sides of the box cover are provided with lubrication grooves; the axes of the medium and high speed shaft, the medium and low speed shaft and the low speed shaft are positioned on the same plane; the axes of the high speed shaft and the medium and high speed shaft are arranged on the same plane, and the two planes thereof are vertical to each other; the high speed shaft is arranged above the medium and high speed shaft; the lubrication grooves are positioned above the medium and high speed shaft, the medium and low speed shaft and the low speed shaft as well as under the high speed shaft; and the groove walls of the lubrication grooves at the side of the high speed shaft are positioned at the two sides of the position where the transmission gears arranged between the high speed shaft and the medium and high speed shaft are meshed with each other. The speed reducer has reasonable and simple structure, high mechanical efficiency, transmission ratio and carrying capacity as well as low energy consumption, so as to be especially applicable to the oil pumping unit with long stroke and low frequency of stroke in an oil field.
Description
Technical field
The present invention relates to retarder, specifically is a kind of speed reducer with high transmission ratio that is applicable to pumping unit.
Background technique
(as the long stroke on the oil field, low jig frequency pumping unit) needs the retarder of big speed ratio in specific transmission application field.Although for adapting to long stroke, low jig frequency pumping unit needs to speed reducer with high transmission ratio, the existing retarder that is applied to pumping unit adopts four, tertiary gear driving mechanism, make velocity ratio reach about 90, realized the high rotating speed input of retarder, make the belt transmission of reducer input shaft side more be tending towards optimizing, avoided shortcomings such as the high and belt autophage of the belt energy consumption that exists in the belt transmission is big.But do not reach the desirable demand of pumping unit yet to the retarder velocity ratio.
In addition, reduction case is made of block and case lid, fill lubricant oil in the block, driving gear lower limb oil-containing in the retarder (lower limb that is gear is positioned at below the lubricated pasta), the oil groove that the lubricant oil that ad hoc oil collector or oil wiper have been splashed the driving gear engagement in the retarder is sent on the casing to be opened, lubricant oil flows into the bearing of each axle head along oil groove, to realize the bearing pressure lubrication.Existing retarder is arranged at oil groove on the case lid both sides inwall corresponding with the axle two ends, avoided oil groove left and brought on the junction plane of block and case lid: junction plane shaft position is prone to oil seepage, pollutes retarder appearance, problem of environment pollution caused.But because the setting of interior oil collector of retarder or oil wiper still causes the retarder inner structure comparatively complicated.And, because driving gear mostly adopts herringbone gear in the existing retarder, therefore, in transmission process, there are the play phenomenon in transmission shaft between high speed shaft and lower velocity shaft and high speed shaft, transmission shaft between high speed shaft and lower velocity shaft and high speed shaft two ends all adopt roller bearing and casing to fix, because the axle head of transmission shaft can obtain good sealing between high speed shaft and lower velocity shaft on casing, so oil leakage phenomenon can not occur; But for high speed shaft, its axle head can't be realized excellent sealing on casing, and the shifting amount of high speed shaft in transmission process is relatively large, and then makes that high speed shaft axle end bearing place's leakage of oil situation is serious on the casing.
Summary of the invention
The present invention improves lubricating oil path in order further to improve the retarder velocity ratio that is applied to pumping unit, rationally simplifies the retarder inner structure, solves the serious problem of high speed shaft axle head position leakage of oil situation on the casing, and a kind of speed reducer with high transmission ratio is provided.
The present invention adopts following technological scheme to realize: speed reducer with high transmission ratio, be four tertiary gear gearing speed-reducers, comprise by block, the casing that case lid constitutes, and be provided with in the casing by high speed shaft, the high speed axle, middle lower velocity shaft, lower velocity shaft, the parallel gears driving mechanism that each between centers driving gear constitutes, be respectively equipped with oil groove on case lid and the corresponding both sides inwall in axle two ends, oil groove is communicated with each respective end bearing through oilhole, the high speed axle, middle lower velocity shaft, lower velocity shaft three axis are in same plane, high speed shaft and high speed axle two axis are in same plane, and two planes are vertical, and high speed shaft is positioned at the top of high speed axle; Oil groove is arranged in high speed axle, lower velocity shaft, lower velocity shaft top and high speed shaft below, and the cell wall of oil groove high speed shaft side is in high speed shaft and both sides, high speed between centers driving gear engagement place; Driving gear both sides on the high speed axle and between high speed shaft have additional bottom and the fixing bearing of block, and on the high speed axle and driving gear between high speed shaft and high speed axle splined; The high speed shaft two ends are fixed by deep groove ball bearing or spheric roller bearing and casing.
Retarder of the present invention still adopts four, the driving mechanism of tertiary gear, and the high speed shaft position in four adjusted, make the velocity ratio of each between centers driving gear to optimize and revise more greatly, the transmission specific energy of retarder is reached about 120-140, compared to prior art, the retarder velocity ratio improves greatly, more near the desirable demand of pumping unit to the retarder velocity ratio, more is adapted to high rotating speed input; And because the adjustment of high speed shaft position, oil groove is placed between high speed shaft and the high speed axle, near both sides, driving gear engagement place between high speed shaft and the high speed axle, make lubricant oil that between high speed shaft and the high speed axle splashed in the driving gear engagement place fall into the oil groove of both sides, flow into the bearing of each axle head through oilhole along oil groove, realize bearing lubrication, and oil collector or oil wiper needn't be set specially, and then rationally simplified the retarder internal structure; And, because on the high speed axle and the driving gear both sides between high speed shaft have additional bottom and the fixing bearing of block, and on the high speed axle and driving gear between high speed shaft and high speed axle splined, the high speed shaft two ends are fixed by deep groove ball bearing or spheric roller bearing and casing, even make the high speed axle because of and middle lower velocity shaft between transmission cause play, but on the high speed axle and the driving gear between high speed shaft can play, make high speed shaft with high speed shaft drive process in play does not take place, even adopt the herringbone gear transmission at high speed shaft and high speed between centers, the shifting amount of high speed shaft also is minimum, and then has fundamentally solved the problem of high speed shaft bearings at both ends leakage of oil on the casing.
The present invention is rational in infrastructure, succinct, and high speed shaft axle end bearing position does not have the leakage of oil situation on the casing, the mechanical efficiency height, and velocity ratio is big, the bearing capacity height, energy consumption is low, is specially adapted to oil field long stroke, low jig frequency pumping unit.
Description of drawings
Fig. 1 is a kind of external structure schematic representation of the present invention;
Fig. 2 is an another kind of external structure schematic representation of the present invention;
Fig. 3 is the internal structure schematic representation corresponding with Fig. 1 structure;
Fig. 4 is provided with schematic representation for oil groove on the case lid corresponding with Fig. 1 structure;
Fig. 5 is provided with schematic representation for oil groove on the case lid corresponding with Fig. 2 structure;
Fig. 6 is the B-B sectional drawing of Fig. 1;
Fig. 7 is the C-C sectional drawing of Fig. 1;
Fig. 8 is the D-D sectional drawing of Fig. 1;
Fig. 9 is provided with schematic representation for the another kind of lower velocity shaft upper transfer gear;
Among the figure: the 1-block; The 2-case lid; 3-high speed shaft 4-high speed axle; Lower velocity shaft among the 5-; The 6-lower velocity shaft; The 7-oil groove; The 8-oilhole; 9,10-bearing; 11,12-spur gear or helical gear; 13,14,15,16-helical gear; 17,18,19,20-helical gear.
Embodiment
As Fig. 1,4,6,7, shown in 8, speed reducer with high transmission ratio, be four tertiary gear gearing speed-reducers, comprise by block 1, the casing that case lid 2 constitutes, and be provided with in the casing by high speed shaft 3, high speed axle 4, middle lower velocity shaft 5, lower velocity shaft 6, the parallel gears driving mechanism that each between centers driving gear constitutes, be respectively equipped with oil groove 7 on case lid 2 and the corresponding both sides inwall in axle two ends, oil groove 7 is communicated with each respective end bearing through oilhole 8, high speed axle 4, middle lower velocity shaft 5, lower velocity shaft 6 three axis are in same plane, high speed shaft 3 is in same plane with 4 liang of axis of high speed axle, and two planes are vertical, and high speed shaft 3 is positioned at the top of high speed axle 4; Oil groove 7 is arranged in high speed axle 4, lower velocity shaft 5, lower velocity shaft 6 tops and high speed shaft 3 belows, and the cell wall of oil groove 7 high speed shafts 3 sides is in high speed shaft 3 and both sides, 4 driving gear engagement places of high speed axle; On the high speed the axle 4 and driving gear both sides of 3 of high speed shafts have additional bottom and the fixing bearing 9,10 of block, and on the high speed axle 4 and the driving gear and high speed axle 4 splined of 3 of high speed shafts; High speed shaft 3 two ends are fixed by deep groove ball bearing or spheric roller bearing and casing.
During concrete enforcement, the driving gear that high speed shaft 3 and high speed axle are 4 can be positioned at axle central authorities; The driving gear that high speed shaft 3 and high speed axle are 4 is spur gear or helical gear 11,12; Consider that driving gear mostly adopts herringbone gear in the existing retarder, the tool withdrawal groove in the middle of the herringbone gear mostly is 60-100 millimeter (as shown in Figure 9), waste material.Therefore, the driving gear that high speed axle 4 and middle lower velocity shaft are 5 is a herringbone gear, and is combined by symmetrically arranged two helical gears 13,14 and symmetrically arranged two helical gears 15,16 respectively; The driving gear that middle lower velocity shaft 5 and lower velocity shaft are 6 is a herringbone gear, and combines (as shown in Figure 8) by symmetrically arranged two helical gears 17,18 and symmetrically arranged two helical gears 19,20 respectively.Like this, can not have tool withdrawal groove (or the very little 6-8 millimeter of tool withdrawal groove) on the herringbone gear, not only improved the utilization ratio of material, and can correspondingly widen gear tooth, improve the bearing capacity of retarder.
Shown in Fig. 2,5, high speed axle 4, middle lower velocity shaft 5, lower velocity shaft 6 three axis plane of living in are clinoplain, lower velocity shaft 5 and lower velocity shaft 6 diaxon axial location during the axial location of high speed axle 4 is lower than, junction plane and clinoplain isoplanar (being that casing is divided into block 1 and case lid 2 along high speed axle 4, middle lower velocity shaft 5, lower velocity shaft 6 three axis clinoplain of living in) of case lid 2 and block 1; Like this, for satisfying the lubricated purpose of driving gear, the liquid level of required lubricant oil is when each axle horizontal is provided with in prior art, much lower in the block; The lower edge of high speed axle 4, middle lower velocity shaft 5,6 three upper transfer gear of lower velocity shaft is on same horizontal plane, and the liquid level of required lubricant oil can reach minimum in the block 1.
After the retarder starting of the present invention, motor runs up, and the rotating speed and the motor speed of reducer input shaft are approaching, and the rotor of motor, input shaft of speed reducer and all driving gears are all storing the mechanical energy of rotation.Mechanical kinetic energy is loss not.When being used for pumping unit, can store more energy during the pumping unit commutation.These energy play balanced action in the time of can commutating to pumping unit.The pumping unit moving system is under the steady state works.So during the commutation of pumping unit mechanical movement, the Peak current of motor is less than electric current under the rated condition.
As shown in Figure 3, the power transmission of retarder of the present invention is through pair of straight gear or helical gear 11 from high speed shaft 3,12 are engaged to high speed axle 4, symmetrically arranged helical gear 13 on high speed axle 4,14 ( helical gears 13,14 formation herringbone gears) symmetrically arranged helical gear 15 on the lower velocity shaft 5 during shunting is passed to, 16 ( helical gears 15,16 constitute herringbone gear), again by symmetrically arranged helical gear 17 on the middle lower velocity shaft 5,18 ( helical gears 17,18 formation herringbone gears) shunting is passed to symmetrically arranged helical gear 19 on the lower velocity shaft 6,20 ( helical gears 19,20 constitute herringbone gear); At last by lower velocity shaft 6 output powers.
Claims (4)
1. speed reducer with high transmission ratio, be four tertiary gear gearing speed-reducers, comprise by block (1), the casing that case lid (2) constitutes, and be provided with in the casing by high speed shaft (3), high speed axle (4), middle lower velocity shaft (5), lower velocity shaft (6), the parallel gears driving mechanism that each between centers driving gear constitutes, be respectively equipped with oil groove (7) on case lid (2) and the corresponding both sides inwall in axle two ends, oil groove (7) is communicated with each respective end bearing through oilhole (8), it is characterized in that: high speed axle (4), middle lower velocity shaft (5), lower velocity shaft (6) three axis are in same plane, high speed shaft (3) is in same plane with high speed axle (4) two axis, and two planes are vertical, and high speed shaft (3) is positioned at the top of high speed axle (4); Oil groove (7) is arranged in high speed axle (4), lower velocity shaft (5), lower velocity shaft (6) top and high speed shaft (3) below, and the cell wall of oil groove (7) high speed shaft (3) side is in both sides, driving gear engagement place between high speed shaft (3) and high speed axle (4); High speed axle (4) go up with high speed shaft (3) between the driving gear both sides have additional bottom and the fixing bearing (9,10) of block, and high speed axle (4) is upward and driving gear and high speed axle (4) splined between high speed shaft (3); High speed shaft (3) two ends are fixed by deep groove ball bearing or spheric roller bearing and casing.
2. speed reducer with high transmission ratio according to claim 1, it is characterized in that: the driving gear between middle lower velocity shaft (5) and lower velocity shaft (6) is a herringbone gear, and is combined by symmetrically arranged two helical gears (17,18) and symmetrically arranged two helical gears (19,20) respectively.
3. speed reducer with high transmission ratio according to claim 1, it is characterized in that: high speed axle (4), middle lower velocity shaft (5), lower velocity shaft (6) three axis plane of living in are clinoplain, the axial location of high speed axle (4) is lower than middle lower velocity shaft (5) and lower velocity shaft (6) diaxon axial location, the junction plane and the clinoplain isoplanar of case lid (2) and block (1).
4. speed reducer with high transmission ratio according to claim 3 is characterized in that: the lower edge of high speed axle (4), middle lower velocity shaft (5), (6) three upper transfer gear of lower velocity shaft is on same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100755157A CN101655139B (en) | 2009-09-19 | 2009-09-19 | Speed reducer with high transmission ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100755157A CN101655139B (en) | 2009-09-19 | 2009-09-19 | Speed reducer with high transmission ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101655139A CN101655139A (en) | 2010-02-24 |
| CN101655139B true CN101655139B (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100755157A Expired - Fee Related CN101655139B (en) | 2009-09-19 | 2009-09-19 | Speed reducer with high transmission ratio |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881145B (en) * | 2010-07-15 | 2013-09-25 | 毛宏伟 | Tower frame type combined transmission numerically controlled pumping unit |
| CN103185126A (en) * | 2011-12-27 | 2013-07-03 | 沃德(天津)传动有限公司 | Speed reducer and box thereof |
| CN108039796A (en) * | 2018-02-02 | 2018-05-15 | 付竞 | Driving means for oil pumping unit |
| CN110259927B (en) * | 2019-06-22 | 2024-02-09 | 杭州前进齿轮箱集团股份有限公司 | Gear box body bearing lubricating structure |
| CN112901758B (en) * | 2021-01-19 | 2023-04-14 | 重庆永进重型机械成套设备有限责任公司 | Gear box, transmission device and aerospace experiment table |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682799A (en) * | 1993-04-28 | 1997-11-04 | Ivan Ivanov Dimov | External cylindrical gearing |
| US6401559B1 (en) * | 1999-06-25 | 2002-06-11 | Armando Grottesi | Differential for dolly, particularly for shooting in the TV and movie field |
| CN2886072Y (en) * | 2006-03-24 | 2007-04-04 | 大庆油田装备制造集团 | Low-frequency- stroke pumping machine |
| CN201502666U (en) * | 2009-09-19 | 2010-06-09 | 樊世耀 | Redactor with high transmission ratio |
-
2009
- 2009-09-19 CN CN2009100755157A patent/CN101655139B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682799A (en) * | 1993-04-28 | 1997-11-04 | Ivan Ivanov Dimov | External cylindrical gearing |
| US6401559B1 (en) * | 1999-06-25 | 2002-06-11 | Armando Grottesi | Differential for dolly, particularly for shooting in the TV and movie field |
| CN2886072Y (en) * | 2006-03-24 | 2007-04-04 | 大庆油田装备制造集团 | Low-frequency- stroke pumping machine |
| CN201502666U (en) * | 2009-09-19 | 2010-06-09 | 樊世耀 | Redactor with high transmission ratio |
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| CN101655139A (en) | 2010-02-24 |
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Granted publication date: 20110601 Termination date: 20200919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |