CN204985555U - Latent oily reduction gear for screw pump - Google Patents
Latent oily reduction gear for screw pump Download PDFInfo
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- CN204985555U CN204985555U CN201520715852.9U CN201520715852U CN204985555U CN 204985555 U CN204985555 U CN 204985555U CN 201520715852 U CN201520715852 U CN 201520715852U CN 204985555 U CN204985555 U CN 204985555U
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- gear
- double reduction
- primary speed
- reduction
- fixed gear
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Abstract
The utility model relates to a latent oily reduction gear for screw pump. Its technical scheme contains two -stage planetary gear reducer device, and one -level speed reduction sun gear, one -level speed reduction planet wheel, one -level speed reduction fixed gear, one -level speed reduction planetary carrier connect to form first order decelerator, double reduction sun gear, double reduction planet wheel, double reduction fixed gear, output shaft and planetary carrier connect to form second grade decelerator, and two -stage decelerator links together through the intermediate junction body and reducing spline housing, cooperates base, head and holds up positive axial to hold, constitutes the speed reducing ratio jointly and is 12.25 reduction gear. The beneficial effects are that: 1, oily screw pump other part is compatible high with diving, and the accessory overwhelming majority is general, 2, simple structure easily makes, installs, maintains, 3, new drive ratio can satisfy the more use of multicomputer.
Description
Technical field
The utility model relates to a kind of petroleum production instrument, particularly a kind of screw submerged pump retarder.
Background technique
In order to break through retarder technology, people have carried out large quantifier elimination, propose Design of Speed Reducer scheme miscellaneous, but be applied to the main of production practices or planetary reducer, the speed ratio that representative products has BakerHughes and SchlubergerRedaPump company to produce is the planetary reducer of 3:1 and 9:1 and speed ratio is the planetary reducer of 4:1 and 16:1.And in China, such retarder also often goes wrong, under the circumstances that retarder technological break-through is hopeless, people are forced to research and directly drive.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of screw submerged pump retarder compatible high with screw submerged pump miscellaneous part, and provides a new velocity ratio.
Its technological scheme comprises two-stage planet speed reducer, and primary speed-down sun gear, primary speed-down planet wheel, primary speed-down fixed gear, primary speed-down planetary carrier connect to form first order speed reducer; Double reduction sun gear, double reduction planet wheel, double reduction fixed gear, output shaft planetary carrier of holding concurrently connects to form double reduction gear, double reduction gear is linked together by intermediate connector and reducing spline housing, coordinate base, head and alignment bearing, common composition reduction speed ratio is the retarder of 12.25.
The lower end of above-mentioned primary speed-down fixed gear is connected with base, and the top of double reduction fixed gear is connected with head.
Between above-mentioned primary speed-down planetary carrier and intermediate connector, alignment bearing is installed; Described output shaft is held concurrently between planetary carrier and head and is installed alignment bearing.
Above-mentioned double reduction sun gear is arranged on the center of double reduction fixed gear, is provided with multiple double reduction planet wheel between double reduction sun gear and double reduction fixed gear.
Above-mentioned primary speed-down sun gear is arranged on the center of primary speed-down fixed gear, is provided with multiple primary speed-down planet wheel between primary speed-down sun gear and primary speed-down fixed gear.
The beneficial effects of the utility model are: 1, high with screw submerged pump miscellaneous part compatibility, the accessory overwhelming majority is general; 2, structure is simple, is easy to manufacture, installation, maintenance; 3, new velocity ratio can meet the use of more multicomputer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is planetary pinion train sectional view;
Fig. 3 is the retarder location shown in Fig. 1 and annexation structural representation;
In upper figure: input shaft 1, base 2, primary speed-down sun gear 3, primary speed-down planet wheel 4, primary speed-down fixed gear 5, primary speed-down planetary carrier 6, alignment bearing 7, intermediate connector 8, reducing spline housing 9, double reduction sun gear 10, double reduction planet wheel 11, double reduction fixed gear 12, output shaft is held concurrently planetary carrier 13, head 14, spline housing 15, oil pipe 16, screw pump 17, thrust pipe nipple 18, retarder 19, submersible electric motor protector 20, oil-submersible motor 21.
Embodiment
1-3 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises two-stage planet speed reducer, and primary speed-down sun gear 3, primary speed-down planet wheel 4, primary speed-down fixed gear 5, primary speed-down planetary carrier 6 connect to form first order speed reducer; Double reduction sun gear 10, double reduction planet wheel 11, double reduction fixed gear 12, output shaft planetary carrier 13 of holding concurrently connects to form double reduction gear, double reduction gear is linked together by intermediate connector 8 and reducing spline housing 9, coordinate base 2, head 14 and alignment bearing 7, common composition reduction speed ratio is the retarder of 12.25.
Wherein, the lower end of primary speed-down fixed gear 5 is connected with base 2, and the top of double reduction fixed gear 12 is connected with head 14, and the bottom of base 2 is provided with input shaft 1; Between above-mentioned primary speed-down planetary carrier 6 and intermediate connector 8, alignment bearing 7 is installed; Described output shaft is held concurrently between planetary carrier 13 and head 14 and is installed alignment bearing 7, and the top of head 14 is provided with spline housing 15.
In addition, double reduction sun gear 10 is arranged on the center of double reduction fixed gear 12, is provided with multiple double reduction planet wheel 11 between double reduction sun gear 10 and double reduction fixed gear 12; Primary speed-down sun gear 3 is arranged on the center of primary speed-down fixed gear 5, is provided with multiple primary speed-down planet wheel 4 between primary speed-down sun gear 3 and primary speed-down fixed gear 5.
During operation; the retarder 19 that the utility model provides is connected between thrust short circuit 18 and motor protecter 20; the order of connection is followed successively by oil pipe 16 topmost, successively down for screw pump 17, thrust pipe nipple 18, retarder 19 are connected with submersible electric motor protector 20 and oil-submersible motor bottom.
The above, be only part preferred embodiment of the present utility model, any those of ordinary skill in the art all may utilize the technological scheme correct of above-mentioned elaboration or are revised as equivalent technological scheme.Therefore, any simple modification of carrying out according to the technical solution of the utility model or substitute equivalents, belong to the greatest extent the scope that the utility model is claimed.
Claims (5)
1. a screw submerged pump retarder, it is characterized in that: comprise two-stage planet speed reducer, primary speed-down sun gear (3), primary speed-down planet wheel (4), primary speed-down fixed gear (5), primary speed-down planetary carrier (6) connect to form first order speed reducer; Double reduction sun gear (10), double reduction planet wheel (11), double reduction fixed gear (12), output shaft planetary carrier (13) of holding concurrently connects to form double reduction gear, double reduction gear is linked together by intermediate connector (8) and reducing spline housing (9), coordinate base (2), head (14) and alignment bearing (7), common composition reduction speed ratio is the retarder of 12.25.
2. screw submerged pump retarder according to claim 1, is characterized in that: the lower end of described primary speed-down fixed gear (5) is connected with base (2), and the top of double reduction fixed gear (12) is connected with head (14).
3. screw submerged pump retarder according to claim 1, is characterized in that: install alignment bearing (7) between described primary speed-down planetary carrier (6) and intermediate connector (8); Described output shaft is held concurrently between planetary carrier (13) and head (14) and is installed alignment bearing (7).
4. screw submerged pump retarder according to claim 1, it is characterized in that: described double reduction sun gear (10) is arranged on the center of double reduction fixed gear (12), is provided with multiple double reduction planet wheel (11) between double reduction sun gear (10) and double reduction fixed gear (12).
5. screw submerged pump retarder according to claim 1, it is characterized in that: described primary speed-down sun gear (3) is arranged on the center of primary speed-down fixed gear (5), is provided with multiple primary speed-down planet wheel (4) between primary speed-down sun gear (3) and primary speed-down fixed gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715852.9U CN204985555U (en) | 2015-09-16 | 2015-09-16 | Latent oily reduction gear for screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715852.9U CN204985555U (en) | 2015-09-16 | 2015-09-16 | Latent oily reduction gear for screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985555U true CN204985555U (en) | 2016-01-20 |
Family
ID=55119928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520715852.9U Active CN204985555U (en) | 2015-09-16 | 2015-09-16 | Latent oily reduction gear for screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179607A (en) * | 2015-09-16 | 2015-12-23 | 东营凯维石油科技有限责任公司 | Speed reducer used for submersible progressing cavity pump |
-
2015
- 2015-09-16 CN CN201520715852.9U patent/CN204985555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179607A (en) * | 2015-09-16 | 2015-12-23 | 东营凯维石油科技有限责任公司 | Speed reducer used for submersible progressing cavity pump |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |