CN205026026U - Latent oily electric screw bar pump reduction gear - Google Patents
Latent oily electric screw bar pump reduction gear Download PDFInfo
- Publication number
- CN205026026U CN205026026U CN201520607808.6U CN201520607808U CN205026026U CN 205026026 U CN205026026 U CN 205026026U CN 201520607808 U CN201520607808 U CN 201520607808U CN 205026026 U CN205026026 U CN 205026026U
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- electric screw
- gear
- oil
- bearing
- screw pump
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- Retarders (AREA)
Abstract
The utility model provides a latent oily electric screw bar pump reduction gear, includes external component and internals. Inside components are installed connects in the external component, and the external component includes reduction gear head and casing, the reduction gear base connected in order, the internals from last to down for last reducing spline housing assembly, secondary reduction gears, fixed gear bush, bearing, transmission shaft assembly, bush, spline housing assembly, elementary reduction gears, adjustment bush, input shaft assembly and down reducing spline housing assembly in order the erection joint in the external component. The utility model discloses can be used to the latent oily electric screw bar pump assembly of various models, have characteristics such as the external diameter is little, the speed reducing ratio big, high transmission efficiency, reliability height, extensively use in the various oily electric screw bar pump assemblys of diving.
Description
Technical field
The utility model relates to petroleum production mechanical oil recovery oil-submerged electric screw pump, particularly a kind of oil-submerged electric screw pump retarder.
Background technique
Existing a kind of oil-submerged electric screw pump retarder, its structure is generally single-pinion planetary gear structure, its objective is and oil-submersible motor is down to the slow-speed of revolution needed for screw pump and transferring power.The retarder of this structure is that contribution has been made in the exploitation of oil oil-submerged electric screw pump, but it also exists following shortcoming or deficiency simultaneously: 1. outside dimension is large; 2. casing size scope is adapted to little; 3. velocity ratio is little; 4. processed complex; 5. cost is high.
Summary of the invention
The purpose of this utility model is to provide a kind of oil-submerged electric screw pump retarder, adopt elementary reducing gear and secondary reducing gear two-stage planet slowing-down structure, retarder outside dimension is little, velocity ratio is large, effectively overcomes or avoids the shortcoming and defect that exists in above-mentioned technology.
Oil-submerged electric screw pump retarder described in the utility model, comprises external member and internals.Described internals is installed and connected in external member, and external member comprises decelerator head and the housing connected in turn, retarder base; Described internals is from top to bottom for upper reducing spline housing assembly, secondary reducing gear, fixed gear lining, bearing spider, driving-shaft assembly, lining, spline housing assembly, elementary reducing gear, adjustment lining, input shaft assembly and lower reducing spline housing assembly are installed and connected in external member in turn.
Wherein, described secondary reducing gear comprises planetary carrier and is mounted thereon bearing and the bearing sleeve in portion, be installed on the fixed gear of its middle and lower part, planetary pinion, sun gear, planet wheel bearing, planet wheel bearing bearing, planet wheel bearing bearing is fixed by fastening screw trip bolt and pin and sun gear, and planetary pinion is fixed together by fixed gear pin and fixed gear lining and housing.Described planetary two ends are supported on respectively by planet wheel bearing in the circular hole of planetary carrier and planet wheel bearing bearing, and planetary pinion is meshed with fixed gear and sun gear.Described elementary reducing gear is identical with secondary reducing gear structure, and its upper end is connected with secondary reducing gear by spline housing assembly, and lower end is connected with input shaft assembly.The upper end of described driving-shaft assembly is connected by spline with the lower end of sun gear, and lower end is connected with the top of elementary reducing gear by spline housing assembly.The top of described input shaft assembly is connected by the bottom of spline with elementary reducing gear.Described retarder base is equipped with fuel feeding valve assembly, and bottom is provided with base seal ring.Head seal ring described decelerator head is equipped with.
The utility model compared with prior art tool has the following advantages:
(1) outside dimension is little.
(2) reduction speed ratio is large.
(3) transmission efficiency is high.
(4) casing size scope is adapted to large.
(5) oil-submerged electric screw pump unit can be formed, can be used for petroleum production artificial lift.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the link position structural representation by the retarder shown in Fig. 1.
embodiment:
Consult Fig. 1-Fig. 2, a kind of oil-submerged electric screw pump retarder, comprise external member and internals, it is characterized in that described internals is installed and connected in external member, external member comprises decelerator head 2 and the housing 19 connected in turn, retarder base 21; Described internals is from top to bottom for upper reducing spline housing assembly 1, secondary reducing gear 7, fixed gear lining 13, bearing spider 14, driving-shaft assembly 15, lining 16, spline housing assembly 17, elementary reducing gear 18, adjustment lining 20, input shaft assembly 25 and lower reducing spline housing assembly 24 are installed and connected in external member in turn.
Secondary reducing gear 7 comprises planetary carrier 3 and is mounted thereon bearing 6 and the bearing sleeve 4 in portion, be installed on the fixed gear 8 of its middle and lower part, planetary pinion 9, sun gear 10, planet wheel bearing 11, planet wheel bearing bearing 12, planet wheel bearing bearing 12 is fixed with sun gear 10 by fastening screw trip bolt 26 and pin 27, and planetary pinion 9 is fixed together by fixed gear pin 28 and fixed gear lining 13 and housing 19.The two ends of planetary pinion 9 are supported on respectively by planet wheel bearing 11 in the circular hole of planetary carrier 3 and planet wheel bearing bearing 12, and planetary pinion 9 is meshed with fixed gear 8 and sun gear 10.Elementary reducing gear 18 is identical with secondary reducing gear 7 structure, and its upper end is connected with secondary reducing gear 7 by spline housing assembly 17, and lower end is connected with input shaft assembly 25.The upper end of driving-shaft assembly 15 is connected by spline with the lower end of sun gear 10, and lower end is connected with the top of elementary reducing gear 18 by spline housing assembly 17.The top of input shaft assembly 25 is connected by the bottom of spline with elementary reducing gear 18.Retarder base 21 is equipped with fuel feeding valve assembly 22, bottom is provided with base seal ring 23.Head seal ring 5 decelerator head 2 is equipped with.
Consult Fig. 2, retarder 33 top of the present utility model is provided with screw pump 29, universal joint 30, screw pump protector 31, thrust short circuit 32 from top to bottom successively, and its underpart is provided with motor protecter 34 and oil-submersible motor 35 successively.
Claims (8)
1. an oil-submerged electric screw pump retarder, comprises external member and internals, it is characterized in that described internals is installed and connected in external member, and external member comprises decelerator head and the housing connected in turn, retarder base; Described internals is from top to bottom for upper reducing spline housing assembly, secondary reducing gear, fixed gear lining, bearing spider, driving-shaft assembly, lining, spline housing assembly, elementary reducing gear, adjustment lining, input shaft assembly and lower reducing spline housing assembly are installed and connected in external member in turn.
2. oil-submerged electric screw pump retarder according to claim 1, it is characterized in that described secondary reducing gear comprises planetary carrier and is mounted thereon bearing and the bearing sleeve in portion, be installed on the fixed gear of middle and lower part, planetary pinion, sun gear, planet wheel bearing, planet wheel bearing bearing, planet wheel bearing bearing is fixed by fastening screw trip bolt and pin and sun gear, and planetary pinion is fixed together by fixed gear pin and fixed gear lining and housing.
3. oil-submerged electric screw pump retarder according to claim 1 and 2, it is characterized in that described planetary two ends are supported on respectively by planet wheel bearing in the circular hole of planetary carrier and planet wheel bearing bearing, planetary pinion is meshed with fixed gear and sun gear.
4. a kind of oil-submerged electric screw pump retarder according to claim 1, is characterized in that described elementary reducing gear is identical with secondary reducing gear structure, and its upper end is connected with secondary reducing gear by spline housing assembly, and lower end is connected with input shaft assembly.
5. oil-submerged electric screw pump retarder according to claim 1, is characterized in that the upper end of described driving-shaft assembly is connected by spline with the lower end of sun gear, and lower end is connected with the top of elementary reducing gear by spline housing assembly.
6. oil-submerged electric screw pump retarder according to claim 1, is characterized in that the top of described input shaft assembly is connected by the bottom of spline with elementary reducing gear.
7. oil-submerged electric screw pump retarder according to claim 1, it is characterized in that described retarder base is equipped with fuel feeding valve assembly, bottom is provided with base seal ring.
8. oil-submerged electric screw pump retarder according to claim 1, is characterized in that described decelerator head is equipped with head seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607808.6U CN205026026U (en) | 2015-08-13 | 2015-08-13 | Latent oily electric screw bar pump reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607808.6U CN205026026U (en) | 2015-08-13 | 2015-08-13 | Latent oily electric screw bar pump reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026026U true CN205026026U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607808.6U Active CN205026026U (en) | 2015-08-13 | 2015-08-13 | Latent oily electric screw bar pump reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065585A (en) * | 2015-08-13 | 2015-11-18 | 胜利油田胜利泵业有限责任公司 | Speed reducer of submersible electric screw pump |
-
2015
- 2015-08-13 CN CN201520607808.6U patent/CN205026026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065585A (en) * | 2015-08-13 | 2015-11-18 | 胜利油田胜利泵业有限责任公司 | Speed reducer of submersible electric screw pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |