CN201027915Y - Epicyclic gear box especially for large power bidirectional diving through-flow pump - Google Patents
Epicyclic gear box especially for large power bidirectional diving through-flow pump Download PDFInfo
- Publication number
- CN201027915Y CN201027915Y CNU2007201081571U CN200720108157U CN201027915Y CN 201027915 Y CN201027915 Y CN 201027915Y CN U2007201081571 U CNU2007201081571 U CN U2007201081571U CN 200720108157 U CN200720108157 U CN 200720108157U CN 201027915 Y CN201027915 Y CN 201027915Y
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- China
- Prior art keywords
- bearing
- flow pump
- sun gear
- gear
- planet carrier
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- Expired - Lifetime
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Abstract
The utility model discloses a planetary gear box for high-power reversible and submersible axial-flow pump, which comprises an engine body with a front unclosed cover and a rear unclosed cover. The engine body is of an integrated structure with flanges at front and rear parts, wherein, the front flange is coupled with a motor, and the rear flange is coupled with a pump body. The inner of the engine body is provided with an inner gear ring connected with a gib head key via a bolt. The engine body is provided with a sun gear, a planetary gear and a planetary carrier, and an input shaft, the planetary carrier, the sun gear and an output shaft have the same axis. One end of the input shaft is a hollow inner gear sleeve, and the other end of the input shaft is connected with the sun gear via a crown gear floating gear sleeve. The planetary carrier is arranged on the engine body and a bearing seat via a front bearing and a rear bearing, and the end of the planetary carrier extending out of the bearing seat is the output shaft which is an involute spline housing. The periphery of the planetary carrier is uniformly distributed with three planetary gears which constantly mesh with the corresponding inner gear ring and the sun gear with the same meshing backlash. The utility model has a compact structure, reliable operating, good concentricity, sensitive floating and good bearing capability.
Description
Technical field
The utility model relates to a kind of gear-box, especially a kind of planetary gear box specially for great power bidirectional submersed three-flow pump.
Background technique
" Eleventh-Five Year Plan " New Countryside Construction of formulating at current project of South-to-North water diversion and country, transform new rural area, greatly develop the agriculture cause of China.Many hydraulic engineerings obtain building and technical innovation, main transmission epicyclic gearbox as the key equipment bidirectional submersed three-flow pump of hydraulic engineering construction is able to a large amount of being used, the utilization of epicyclic gearbox in submersible pump can reduce the investment of whole hydraulic engineering greatly, and along with China's gear-box manufacturing industry develops on an unprecedented scale, the gear-box manufacturing technology is increasingly mature, material property improves day by day, design level is gradually improved, can not only design high performance speed reducer, also can produce the gear-box of diving with high-performance, high-reliability.
Summary of the invention
The utility model is at above-mentioned deficiency, and a kind of compact structure, reliable, good concentricity, the sensitivity of floating and the good planetary gear box specially for great power bidirectional submersed three-flow pump of load are provided.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: planetary gear box specially for great power bidirectional submersed three-flow pump, the body that comprises the saturating lid of saturating lid and back before being fitted with, the technical measures of taking also comprise: body is the overall structure that front and back are equipped with flange, and forward flange connects with motor, rear flange connects with the pump main body, internal body is equipped with ring gear, all connects by screw and gib headed key; Body is fitted with sun gear, planet wheel, planet carrier; Input shaft, planet carrier, sun gear, output shaft concentric, input shaft one end is hollow internal tooth casing, the other end connects with sun gear by the unsteady tooth cover of crowned teeth, planet carrier is installed on body and the bearing support by fore bearing and rear bearing, one end of planet carrier projecting shaft bearing is an output shaft, and this output shaft is the involute splines cover; The normal engagement that uniform three planet wheels of planet carrier periphery, planet wheel guarantee identical meshing backlass with corresponding ring gear and sun gear respectively.
The concrete technical measures of taking also comprise: planet wheel by Bearing Installation on the uniform planet axis of planet carrier periphery.Temperature transducer is installed on the ring gear.Oil sealing all is housed between output shaft and the bearing support.Oil sealing is an outside framework oil seal.The fore bearing and the rear bearing that are used to install planet wheel on the planet carrier are roller bearing.
Compared with prior art, the utility model advantage is: output stage adopts involute splines to connect can eliminate the decentraction that produces because of manufacturing, input end adopts the crowned teeth splined, can strengthen the unsteady effect of sun gear like this, sun gear and each planet wheel are all carried, thereby improved the bearing capacity of complete machine; Axially locate between sun gear and the planet carrier, thereby sun gear is still unsteady sensitive under the low speed situation, also reaches carrying evenly by ball bearing; Complete machine is to be the special-purpose planetary speed reducer of the diving of the supporting design of bidirectional submersed three-flow pump, and this speed reducer is seven to eight meters dark work under water, and environment and operating mode are abominable, require the design output torque big, the overload capacity height.
Description of drawings
Fig. 1 is the utility model embodiment's a general assembly cross-sectional schematic;
Fig. 2 is the assembling schematic representation that Fig. 1 left side is looked.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1, shown in Figure 2,1, input shaft, 2, sun gear, 3, preceding lid, 4, fore bearing, 5, body, 6, planet carrier, 7, gib headed key, 8, ring gear, 9, planet wheel, 10, planet axis, 11, bearing support, 12, after lid thoroughly, 13, rear bearing, 14, oil sealing, 15, temperature transducer.
Specific embodiment of the utility model, planetary gear box specially for great power bidirectional submersed three-flow pump, the body 5 that comprises the saturating lid 12 of saturating lid 3 and back before being fitted with, body 5 is the overall structure that front and back are equipped with flange, and forward flange connects with motor, rear flange connects with the pump main body, and internal body is equipped with ring gear 8, all connects by screw and gib headed key 7; Body 5 is fitted with sun gear 2, planet wheel 9, planet carrier 6; Input shaft 1, planet carrier 6, sun gear 2, output shaft concentric, input shaft 1 one ends are hollow internal tooth casing, the other end connects with sun gear 2 by the unsteady tooth cover of crowned teeth, planet carrier 6 is installed on body 5 and the bearing support 11 by fore bearing 4 and rear bearing 13, one end of planet carrier 6 projecting shaft bearings 11 is an output shaft, and this output shaft is the involute splines cover; The normal engagement that uniform three planet wheels 9 of planet carrier 6 periphery, planet wheel 9 guarantee identical meshing backlass with corresponding ring gear 8 and sun gear 2 respectively.Planet wheel 9 by Bearing Installation on the uniform planet axis 10 of planet carrier 6 periphery.Temperature transducer 15 is installed on the ring gear 8.Between output shaft and the bearing support 11 oil sealing 14 is housed all.Oil sealing 14 is an outside framework oil seal.The fore bearing 4 and the rear bearing 13 that are used to install planet wheel 9 on the planet carrier 6 are roller bearing.
Advantage of the present invention is: the inner temperature transducer of installing can monitor the temperature variation of gear-box under water on the ground; Output stage adopts involute splines to connect can eliminate the decentraction that produces because of manufacturing, and input end adopts the crowned teeth splined, can strengthen the unsteady effect of sun gear like this, sun gear and each planet wheel is all carried, thereby improved the bearing capacity of complete machine.Axially locate between sun gear and the planet carrier, thereby sun gear is still unsteady sensitive under the low speed situation, also reaches carrying evenly by ball bearing; Complete machine is to be the special-purpose planetary speed reducer of the diving of the supporting design of bidirectional submersed three-flow pump, and this speed reducer is seven or eight meters dark work under water, and environment and operating mode are abominable, require the design output torque big, the overload capacity height.The special-purpose planetary speed reducer configuration design smoothness of bidirectional submersed three-flow pump is attractive in appearance, with whole submersible pump one integrated mass, the internal structure compact and reasonable, bring into play the carrying advantage of planetary speed reducer to greatest extent, in conjunction with up-to-date manufacturing technology process and the leading new material that adopts, make the bearing capacity of this planetary speed reducer reach 2.5 times of common epicyclic gearbox of same specification size.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (6)
1. planetary gear box specially for great power bidirectional submersed three-flow pump, comprise the saturating body (5) that covers (3) and the saturating lid in back (12) before being fitted with, it is characterized in that: described body (5) is the overall structure that front and back are equipped with flange, and forward flange connects with motor, rear flange connects with the pump main body, internal body is equipped with ring gear (8), all connects by screw and gib headed key (7); Described body (5) is fitted with sun gear (2), planet wheel (9), planet carrier (6); Described input shaft (1), planet carrier (6), sun gear (2), output shaft concentric, input shaft (1) one end is hollow internal tooth casing, the other end connects with sun gear (2) by the unsteady tooth cover of crowned teeth, planet carrier (6) is installed on body (5) and the bearing support (11) by fore bearing (4) and rear bearing (13), one end of planet carrier (6) projecting shaft bearing (11) is described output shaft, and this output shaft is the involute splines cover; The normal engagement that planet carrier (6) periphery uniform three described planet wheels (9), planet wheel (9) guarantee identical meshing backlass with corresponding ring gear (8) and sun gear (2) respectively.
2. planetary gear box specially for great power bidirectional submersed three-flow pump according to claim 1 is characterized in that: described planet wheel (9) by Bearing Installation on the uniform planet axis (10) of planet carrier (6) periphery.
3. planetary gear box specially for great power bidirectional submersed three-flow pump according to claim 2 is characterized in that: temperature transducer (15) is installed on the described ring gear (8).
4. planetary gear box specially for great power bidirectional submersed three-flow pump according to claim 3 is characterized in that: oil sealing (14) all is housed between described output shaft and the bearing support (11).
5. planetary gear box specially for great power bidirectional submersed three-flow pump according to claim 4 is characterized in that: described oil sealing (14) is an outside framework oil seal.
6. according to the described planetary gear box specially for great power bidirectional submersed three-flow pump of the arbitrary claim of claim 1 to 5, it is characterized in that: the fore bearing (4) and the rear bearing (13) that are used to install planet wheel (9) on the described planet carrier (6) are roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201081571U CN201027915Y (en) | 2007-04-13 | 2007-04-13 | Epicyclic gear box especially for large power bidirectional diving through-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201081571U CN201027915Y (en) | 2007-04-13 | 2007-04-13 | Epicyclic gear box especially for large power bidirectional diving through-flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027915Y true CN201027915Y (en) | 2008-02-27 |
Family
ID=39132125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201081571U Expired - Lifetime CN201027915Y (en) | 2007-04-13 | 2007-04-13 | Epicyclic gear box especially for large power bidirectional diving through-flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027915Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105270A (en) * | 2018-02-02 | 2018-06-01 | 重庆彩棠科技有限公司 | A kind of gear connection structure of high stability |
-
2007
- 2007-04-13 CN CNU2007201081571U patent/CN201027915Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105270A (en) * | 2018-02-02 | 2018-06-01 | 重庆彩棠科技有限公司 | A kind of gear connection structure of high stability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |