CN203413097U - Shale gas fracturing pump gear box - Google Patents
Shale gas fracturing pump gear box Download PDFInfo
- Publication number
- CN203413097U CN203413097U CN201320425369.8U CN201320425369U CN203413097U CN 203413097 U CN203413097 U CN 203413097U CN 201320425369 U CN201320425369 U CN 201320425369U CN 203413097 U CN203413097 U CN 203413097U
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- Prior art keywords
- gear
- shaft
- planet wheel
- shale gas
- box
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Abstract
The utility model discloses a shale gas fracturing pump gear box which comprises an enclosure as well as a power input shaft and a power transmission shaft which are arranged in the enclosure and are parallel to each other, wherein mutually-meshed transmission gears are respectively arranged on the power input shaft and the power transmission shaft, and a sun wheel system is also arranged on the power transmission shaft; the power input shaft and the power transmission shaft are respectively connected with the enclosure through a power bearing, a planetary wheel is connected with a planetary wheel frame through a planetary wheel axle, and the planetary wheel frame is connected with an output shaft; the enclosure is integrally cast; carburized layers are arranged on the surfaces of the transmission gears, the sun wheel, the planetary wheel and an inner gear. Through the design, the gear box is of a compact integral structure, and the strength of a wheel body can be improved by arranging the carburized layers on the surfaces of the gears by a carburizing and quenching process; since the enclosure is integrally cast, the overall strength of the gear box can be enhanced.
Description
Technical field
The utility model relates to a kind of shale gas fracturing pump gear-box.
Background technique
Shale gas is exploitation rock gas out from rammell, is a kind of important unconventional gas resource.The U.S. drop into from 20 century 70s exploration and the test that substantial contribution carries out shale gas, until 2006, along with horizontal well, staged fracturing are successfully tested and promote at scene, Dezhou, make shale gas output unprecedented soaring.Until 2011, shale gas Annual output reaches 28% of gas production then.According to u.s. department of energy, estimate, to U.S.'s shale gas output in 2035, will account for 50% of national output.Since 2005, along with sharply increasing and the exploitation of shale gas resource abroad of energy demand.China starts to pay close attention to and carries out some research work and carried out preliminary resource potential research.Pressure break is most important link in shale gas development process, and complete pressure break equipment needs to break through the key technology of exploitation, meets the shale gas pressure break specific (special) requirements of " construction continuously, heavy load, long-time ".And will complete above requirement, just must make fracturing unit have to carry large load and longevity of service, the transmission device that the life-span is long, must adopt advanced design and processes and the uni-drive gear box of quality material.And existing common transmission device obviously can not meet above requirement.
Model utility content
The purpose of this utility model is to overcome the defect existing in prior art, provides a kind of bearing load large, the shale gas fracturing pump gear-box that stream time is long and the life-span is long.
For achieving the above object, the technical solution of the utility model has been to provide a kind of shale gas fracturing pump gear-box, comprise casing and be arranged on power input shaft and the power transmission shaft being parallel to each other in casing, intermeshing driving gear is housed respectively on described power input shaft and power transmission shaft, on described power transmission shaft, be also provided with sun gear, described sun gear by planet wheel by power transmission in output shaft, described planet wheel is meshed with sun gear and internal gear respectively; Described power input shaft is connected with casing by motive bearing respectively with power transmission shaft, and described planet wheel is connected with planetary wheel carrier by planet wheel shaft, and described planetary wheel carrier is connected with output shaft; Described casing is integrated casting; Described driving gear, sun gear, planet wheel and internal gear surface are provided with carburized case.Such design makes gear-box compact overall structure, sees through the surface of each gear is arranged to the intensity that carburized case can improve wheel body by carburizing quenching process; Casing is integrated casting also can strengthen the intensity of gear-box integral body.
As preferably, described driving gear, sun gear, planet wheel and internal gear material are 20CrNi2Mo steel.Such design is the further optimization to scheme.
As preferably, described power input shaft, power transmission shaft, planet wheel shaft and output shaft are quill shaft and material is 20CrNi2Mo steel.Each axle is set to hollow can reduce complete machine weight in proof strength.
As preferably, the phosphorus of described 20CrNi2Mo steel, Sulpher content are lower than 0.015%, and alloying element nickel content is higher than 3%.Such design is the further optimization to scheme.
As preferably, described casing is integrated the aluminum alloy casing of casting.Such design can further reduce complete machine weight.
As preferably, described motive bearing is selfaligning roller bearing, and described planet wheel shaft is connected with planetary wheel carrier by planet wheel bearing, and described planet wheel bearing is roller bearing.Such design is the further optimization to scheme.
As preferably, near planet wheel shaft and casing be provided with spray bar.Such design can so that planet wheel inner bearing according to centrifugal force from planet axis oil inlet lubricating, structure is ingenious, each parts arrange compactness in case, combination property is stronger.
As preferably, between described sun gear and power transmission shaft, pass through spline joint, described spline joint adopts flank centering.Such design can guarantee the kinematic accuracy of spline drived.
As preferably, the end of described power input shaft one side is provided with adpting flange.Design facilitates gear-box to be connected with power equipment like this.
As preferably, described driving gear and planet wheel are helical gear.Such design is the further optimization to scheme.
Advantage of the present utility model and beneficial effect are: housing structure is integrated type casting, and quality is light, and intensity improves; The surface of gear arranges by carburizing quenching process the intensity that carburized case can improve wheel body; Input tooth axle and coupling gear axle construction are hollow, reduce complete machine weight in the time of proof strength, and sun gear input spline adopts the centering of key side, guarantees the kinematic accuracy of spline drived; Planet wheel inner bearing is according to centrifugal force from planet axis oil inlet lubricating, and structure is ingenious, and in case, each parts arrange compactness.It is large that comprehensive above performance can meet shale gas fracturing pump gear-box bearing load, the requirement that stream time is long and the life-span is long.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, casing; 2, power input shaft; 3, power transmission shaft; 4, driving gear; 5, sun gear; 6, planet wheel; 7, internal gear; 8, motive bearing; 9, planet wheel shaft; 10, planetary wheel carrier; 14, adpting flange; 15, planet wheel bearing; 16, output shaft.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1-Figure 3, a kind of shale gas fracturing pump gear-box, described shale gas fracturing pump gear-box comprises casing 1 and is arranged on power input shaft 2 and the power transmission shaft 3 being parallel to each other in casing 1, on described power input shaft 2 and power transmission shaft 3, intermeshing driving gear 4 is housed respectively, on described power transmission shaft 3, be also provided with sun gear 5, described sun gear 5 by planet wheel 6 by power transmission in output shaft 16, described planet wheel 6 is meshed with sun gear 5 and internal gear 7 respectively; Described power input shaft 2 is connected with casing 1 by motive bearing 8 respectively with power transmission shaft 3, and described planet wheel 6 is connected with output shaft 16 by planet wheel shaft 9; Described casing 1 is integrated casting; Described driving gear 4, sun gear 5, planet wheel 6 and internal gear 7 surfaces are provided with carburized case.
Described driving gear 4, sun gear 5, planet wheel 6 and internal gear 7 materials are 20CrNi2Mo steel.
Described power input shaft 2, power transmission shaft 3, planet wheel shaft 9 and output shaft 16 are quill shaft and material is 20CrNi2Mo steel.
The phosphorus of described 20CrNi2Mo steel, Sulpher content are lower than 0.015%, and alloying element nickel content is higher than 3%.
Described casing 1 is integrated the aluminum alloy casing of casting.
Described motive bearing 8 is selfaligning roller bearing, and described planet wheel shaft 9 is connected with planetary wheel carrier 10 by planet wheel bearing 15, and described planet wheel bearing 15 is roller bearing.
Casing 1 near planet wheel shaft 9 is provided with spray bar 13.
Between described sun gear 5 and power transmission shaft 3, by spline joint, described spline joint adopts flank centering.
The end of described power input shaft 2 one sides is provided with adpting flange 14.
Described driving gear 4 and planet wheel 6 are helical gear.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of model utility.
Claims (10)
1. a shale gas fracturing pump gear-box, it is characterized in that: described shale gas fracturing pump gear-box comprises casing and is arranged on power input shaft and the power transmission shaft being parallel to each other in casing, intermeshing driving gear is housed respectively on described power input shaft and power transmission shaft, on described power transmission shaft, be also provided with sun gear, described sun gear by planet wheel by power transmission in output shaft, described planet wheel is meshed with sun gear and internal gear respectively; Described power input shaft is connected with casing by motive bearing respectively with power transmission shaft, and described planet wheel is connected with planetary wheel carrier by planet wheel shaft, and described planetary wheel carrier is connected with output shaft; Described casing is integrated casting; Described driving gear, sun gear, planet wheel and internal gear surface are provided with carburized case.
2. shale gas fracturing pump gear-box as claimed in claim 1, is characterized in that: described driving gear, sun gear, planet wheel and internal gear material are 20CrNi2Mo steel.
3. shale gas fracturing pump gear-box as claimed in claim 2, is characterized in that: described power input shaft, power transmission shaft, planet wheel shaft and output shaft are quill shaft and material is 20CrNi2Mo steel.
4. shale gas fracturing pump gear-box as claimed in claim 3, is characterized in that: the phosphorus of described 20CrNi2Mo steel, Sulpher content are lower than 0.015%, and alloying element nickel content is higher than 3%.
5. shale gas fracturing pump gear-box as claimed in claim 4, is characterized in that: described casing is integrated the aluminum alloy casing of casting.
6. shale gas fracturing pump gear-box as claimed in claim 5, is characterized in that: described motive bearing is selfaligning roller bearing, and described planet wheel shaft is connected with planetary wheel carrier by planet wheel bearing, and described planet wheel bearing is roller bearing.
7. shale gas fracturing pump gear-box as claimed in claim 6, is characterized in that: the casing near planet wheel shaft is provided with spray bar.
8. shale gas fracturing pump gear-box as claimed in claim 7, is characterized in that: between described sun gear and power transmission shaft, by spline joint, described spline joint adopts flank centering.
9. shale gas fracturing pump gear-box as claimed in claim 8, is characterized in that: the end of described power input shaft one side is provided with adpting flange.
10. shale gas fracturing pump gear-box as claimed in claim 9, is characterized in that: described driving gear and planet wheel are helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320425369.8U CN203413097U (en) | 2013-07-17 | 2013-07-17 | Shale gas fracturing pump gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320425369.8U CN203413097U (en) | 2013-07-17 | 2013-07-17 | Shale gas fracturing pump gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413097U true CN203413097U (en) | 2014-01-29 |
Family
ID=49975986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320425369.8U Withdrawn - After Issue CN203413097U (en) | 2013-07-17 | 2013-07-17 | Shale gas fracturing pump gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453116A (en) * | 2013-07-17 | 2013-12-18 | 江阴克威齿轮箱制造有限公司 | Shale gas fracturing pump gearbox |
-
2013
- 2013-07-17 CN CN201320425369.8U patent/CN203413097U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453116A (en) * | 2013-07-17 | 2013-12-18 | 江阴克威齿轮箱制造有限公司 | Shale gas fracturing pump gearbox |
| CN103453116B (en) * | 2013-07-17 | 2016-06-29 | 江苏昊克传动科技股份有限公司 | A kind of shale gas fracturing pump gear-box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU HAOKE TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JINAGYIN KEWEI GEARBOXES MANUFACTURER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214400, Jiangsu City, Wuxi province Jiangyin town Huang Cheng Chang Industrial Development Zone Patentee after: Jiangsu Hao Ke transmission Science and Technology Co., Ltd. Address before: 214400, Jiangsu City, Wuxi province Jiangyin town Huang Cheng Chang Industrial Development Zone Patentee before: Jiangyin Kewei Gearboxes Manufacture Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shale gas fracturing pump gearbox Effective date of registration: 20151117 Granted publication date: 20140129 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Jiangsu Hao Ke transmission Science and Technology Co., Ltd. Registration number: 2015990001009 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140129 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |