CN205534033U - Planet transmission for cooling tower - Google Patents
Planet transmission for cooling tower Download PDFInfo
- Publication number
- CN205534033U CN205534033U CN201620247476.XU CN201620247476U CN205534033U CN 205534033 U CN205534033 U CN 205534033U CN 201620247476 U CN201620247476 U CN 201620247476U CN 205534033 U CN205534033 U CN 205534033U
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- China
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- box
- output shaft
- shaft
- bearing
- planet carrier
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Abstract
The utility model relates to a planet transmission for cooling tower, its characterized in that: include box down, go up the box, the input shaft, the tooth cover floats, the middle transmission axle, the sun gear, the planet wheel, the planet axle, the ring gear, planet carrier and output shaft, the box end opening is equipped with the input shaft bearing frame down, the input shaft leads to lid to be adorned on the input shaft bearing frame, input shaft cross -under input shaft leads to the lid and supports in the input shaft bearing frame through tapered roller bearing, the input shaft upper end is through the tooth cover coaxial coupling middle transmission axle that floats, the epaxial sun gear that cup joints of middle transmission, the sun gear meshing is through the planet wheel of planet axle cross -under on the planet carrier, planetary gear meshing is in the ring gear, lower box, the ring gear, it superposes locking joint in proper order and is an organic whole to go up the box, the lower part of planet carrier is through journal bearing and axial bearing combined supporting under on the box, upper portion box on journal bearing and axial bearing combined supporting of planet carrier, the planet carrier upper end is through the key -type connection output shaft, the output shaft that the box was gone up in output shaft cross -under encapsulation leads to the lid, cup joint the disc that is located the output shaft expert portion of covering on the output shaft.
Description
Technical field
This utility model relates to a kind of reductor, especially a kind of for steel mill's cooling tower.It is equally applicable to other need to cool down water industry.
Background technology
Existing speed reducer of cooling tower, general employing bevel gear adds parallel-axes gears transmission or one-level NGW planetary gear mechanism, and transmission power is motor, so wastes the energy, and waterproof to motor also requires.General NGW planet gear transmission speed reduction machine can not bear axial force.
Summary of the invention
The purpose of this utility model is: for current cooling tower development need, it is provided that a kind of structure, reliability, safety, efficiency, bearing capacity require high planetary driving device used for cooling tower.
nullThe technical solution of the utility model is: a kind of planetary driving device used for cooling tower，It is characterized in that: include lower box、Upper box、Power shaft、Floating tooth set、Intermediate propeller shaft、Sun gear、Planetary gear、Planet axis、Ring gear、Planet carrier and output shaft，Lower box end opening is provided with bearing of input shaft seat，Power shaft leads to lid lid and is loaded on bearing of input shaft seat，Power shaft cross-under power shaft is logical to be covered and in taper roll bearing is bearing in bearing of input shaft seat，Coaxially connected intermediate propeller shaft is overlapped through floating tooth in power shaft upper end，Sun gear it is socketed on intermediate propeller shaft，Sun gear engagement is through planet axis cross-under planetary gear on planet carrier，Planetary gear is engaged in ring gear，Lower box、Ring gear、Upper box is sequentially overlapped locking and connects in one，The bottom of planet carrier through journal bearing and cod combined support on lower box，The top of planet carrier is through journal bearing and cod combined support upper box，Planet carrier upper end is through bonded output shaft，The logical lid of output shaft of output shaft cross-under encapsulation upper box，It is socketed with on output shaft and is positioned at output shaft and leads to upper part of the cover disc.
Further, described power shaft Tong Gai lower end is provided with cross-under labyrinth stationary ring on power shaft, the labyrinth rotating ring composition labyrinth seal structure that labyrinth stationary ring engagement sleeves is connected on power shaft, the external fuel outlet valve of inner chamber of labyrinth stationary ring.
Further, the logical lid of described power shaft is provided with high-speed oil seal with input between centers, and the logical lid of output shaft and output between centers are provided with high-speed oil seal.
Further, also including compensating fuel tank, the compensation conduit compensating fuel tank band compensating control valve respectively connects in upper and lower casing, and compensation conduit is additionally provided with the in-line bringing oil control valve into.
Compared with prior art, the utility model has the advantages that:
1, the hydraulic turbine transfers power to power shaft and is then driven planet carrier drive output shaft realization output by floating tooth set through intermediate propeller shaft, planetary gear Meshing Pair and planetary gear, ring gear Meshing Pair, and output shaft output is used for driving cooling fan.Cooling tower fans drive, without motor, is directly driven the hydraulic turbine by cooling water, saves the energy.
2, power shaft axial hydraulic thrust is undertaken by two taper roll bearings, and radial force is undertaken by upper end journal bearing.Cooling fan axial thrust is undertaken by planet carrier two ends thrust bearing, and radial force is undertaken by two journal bearings.Overcome the shortcoming that General N GW planetary reducer can not bear axial force.
3, using Gear Planet Transmission sun gear to float, bearing capacity is big, and floating load balancing can reduce volume, alleviate weight.
4, high speed input have employed high speed outside framework oil seal and contactless labyrinth seal double sealing structure, good seal performance.Low speed outfan have employed disc device, and water resistance is good.Using ring gear is a part for shell, and compact overall structure, bearing capacity is big.
This utility model is vertical single-stage planet-gear speed reducer, is arranged in steel mill's hydraulic turbine of cooling tower cooling system, inputs and export at same axis, and cooling water realizes output by hydraulic turbine transmission power drive planet carrier.Exported by the output shaft being connected with planet carrier, be used for driving cooling fan.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure: 1, power shaft, 2, labyrinth stationary ring, 3, fuel outlet valve, 4, labyrinth rotating ring, 5, high-speed oil seal, 6, the logical lid of power shaft, 7, bearing of input shaft seat, 8, taper roll bearing, 9, lower box, 10, power shaft journal bearing, 11, cod under planet carrier, 12, planet carrier lower radial bearing, 13, floating tooth set, 14, intermediate propeller shaft, 15, planetary gear, 16, sun gear, 17, ring gear, 18, compensate fuel tank, 19, planet axis, 20, journal bearing on planet carrier, 21, upper box, 22, cod on planet carrier, 23, planet carrier, 24, the logical lid of output shaft, 25, disc, 26, output shaft.
Detailed description of the invention
Accompanying drawing discloses a kind of concrete structure implementing row without limitation, is further described below in conjunction with the accompanying drawings.
nullOne planetary driving device used for cooling tower shown in accompanying drawing 1 includes lower box 9、Upper box 21、Power shaft 1、Floating tooth set 13、Intermediate propeller shaft 14、Sun gear 16、Planetary gear 15、Planet axis 19、Ring gear 17、Planet carrier 23 and output shaft 26，Lower box end opening is provided with bearing of input shaft seat 7，Power shaft logical lid 6 lid is loaded on bearing of input shaft seat 7，Power shaft 1 cross-under power shaft is logical covers 6 and in taper roll bearing 8 is bearing in bearing of input shaft seat 7，13 coaxially connected intermediate propeller shafts 14 are overlapped through floating tooth in power shaft 1 upper end，Sun gear 15 it is socketed on intermediate propeller shaft 14，Sun gear 15 engages through planet axis 19 cross-under planetary gear 15 on planet carrier 23，Planetary gear 15 is engaged in ring gear 17，Lower box 9、Ring gear 17、Upper box 21 is sequentially overlapped locking and connects in one，The bottom of planet carrier 23 through journal bearing 12 and cod 11 combined support on lower box，The top of planet carrier 23 is through journal bearing 20 and cod 22 combined support upper box 21，Planet carrier 23 upper end is through bonded output shaft 26，The output shaft of output shaft 26 cross-under encapsulation upper box 21 leads to lid 24，It is socketed with on output shaft and is positioned at output shaft and leads to upper part of the cover disc 25.
Further, described power shaft Tong Gai lower end is provided with cross-under labyrinth stationary ring 2 on power shaft, and the labyrinth rotating ring 4 that labyrinth stationary ring 2 engagement sleeves is connected on power shaft forms labyrinth seal structure, the external fuel outlet valve of inner chamber 3 of labyrinth stationary ring.
Further, the logical lid of described power shaft is provided with high-speed oil seal 5 with input between centers, and the logical lid of output shaft and output between centers are provided with high-speed oil seal.
Further, also including compensating fuel tank 18, the compensation conduit compensating fuel tank band compensating control valve respectively connects in upper and lower casing, and compensation conduit is additionally provided with the in-line bringing oil control valve into.
Claims (4)
- null1. a planetary driving device used for cooling tower，It is characterized in that: include lower box、Upper box、Power shaft、Floating tooth set、Intermediate propeller shaft、Sun gear、Planetary gear、Planet axis、Ring gear、Planet carrier and output shaft，Lower box end opening is provided with bearing of input shaft seat，Power shaft leads to lid lid and is loaded on bearing of input shaft seat，Power shaft cross-under power shaft is logical to be covered and in taper roll bearing is bearing in bearing of input shaft seat，Coaxially connected intermediate propeller shaft is overlapped through floating tooth in power shaft upper end，Sun gear it is socketed on intermediate propeller shaft，Sun gear engagement is through planet axis cross-under planetary gear on planet carrier，Planetary gear is engaged in ring gear，Lower box、Ring gear、Upper box is sequentially overlapped locking and connects in one，The bottom of planet carrier through journal bearing and cod combined support on lower box，The top of planet carrier is through journal bearing and cod combined support upper box，Planet carrier upper end is through bonded output shaft，The logical lid of output shaft of output shaft cross-under encapsulation upper box，It is socketed with on output shaft and is positioned at output shaft and leads to upper part of the cover disc.
- One the most according to claim 1 planetary driving device used for cooling tower, it is characterized in that: described power shaft Tong Gai lower end is provided with cross-under labyrinth stationary ring on power shaft, the labyrinth rotating ring composition labyrinth seal structure that labyrinth stationary ring engagement sleeves is connected on power shaft, the external fuel outlet valve of inner chamber of labyrinth stationary ring.
- One the most according to claim 1 planetary driving device used for cooling tower, is characterized in that: the logical lid of described power shaft is provided with high-speed oil seal with input between centers, and the logical lid of output shaft and output between centers are provided with high-speed oil seal.
- One the most according to claim 1 planetary driving device used for cooling tower, it is characterized in that: also include compensating fuel tank, the compensation conduit compensating fuel tank band compensating control valve respectively connects in upper and lower casing, and compensation conduit is additionally provided with the in-line bringing oil control valve into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247476.XU CN205534033U (en) | 2016-03-29 | 2016-03-29 | Planet transmission for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247476.XU CN205534033U (en) | 2016-03-29 | 2016-03-29 | Planet transmission for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534033U true CN205534033U (en) | 2016-08-31 |
Family
ID=56786139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620247476.XU Active CN205534033U (en) | 2016-03-29 | 2016-03-29 | Planet transmission for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150615A (en) * | 2018-02-01 | 2018-06-12 | 西安航天动力研究所 | A kind of latent liquid type planetary reduction gear |
-
2016
- 2016-03-29 CN CN201620247476.XU patent/CN205534033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150615A (en) * | 2018-02-01 | 2018-06-12 | 西安航天动力研究所 | A kind of latent liquid type planetary reduction gear |
| CN108150615B (en) * | 2018-02-01 | 2020-06-30 | 西安航天动力研究所 | Submerged planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |