CN205154879U - Many oil ducts of tractor transmission shaft structure - Google Patents
Many oil ducts of tractor transmission shaft structure Download PDFInfo
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- CN205154879U CN205154879U CN201520964552.4U CN201520964552U CN205154879U CN 205154879 U CN205154879 U CN 205154879U CN 201520964552 U CN201520964552 U CN 201520964552U CN 205154879 U CN205154879 U CN 205154879U
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- oilhole
- oil
- transmission shaft
- oil pipe
- front side
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Abstract
The utility model relates to a many oil ducts of tractor transmission shaft structure, comprises a transmission shaft, be equipped with communicating first oilhole and second oilhole in the transmission shaft, and the second oilhole is located the front portion of first oilhole, the oil pipe who has the hole is equipped with the bellied front side shaft shoulder and the rear side shaft shoulder, oil pipe's rear side shaft shoulder seal installation is at the rear portion of first oilhole, the front portion at first oilhole is connected to the front side shaft shoulder, the oil pipe rear end has the second oil inlet, first oilhole and oil pipe's the first oil duct of periphery cavity formation, the transmission shaft the front side of first oil duct be equipped with with the communicating first oil outlet of first oil duct, the rear side be equipped with with the communicating first inlet port of first oil duct, oil pipe's hole communicates with each other and forms the second oil duct with the second oilhole, and the front side of transmission shaft be equipped with with the communicating second oil outlet of second oilhole. Rational in infrastructure, processing simple to operate can reduce and make, realizes two way fuel feeding on a transmission shaft, and is not subject to the outer diameter of transmission shaft.
Description
Technical field
The utility model relates to a kind of tractor transmission shaft multi-oil-passage structure, belongs to tractor transmission technology field.
Background technique
In tractor speed changer, a lot of shaft forgings is provided with the parts such as gear-bearing, these parts all need to lubricate, and also have some hydraulic parts to need hydraulic working oil in addition.When needing oil lubrication and hydraulic working oil on a transmission shaft simultaneously, the oil liquid pressure needed due to both is different, even same fluid also needs two passes fuel feeding.Traditional scheme processes two oil ducts in the end of a transmission shaft, usually adopts long drill bit to carry out little hole machined, not only increase difficulty of processing, but also can be limited to the outside dimension of transmission shaft, cause manufacture cost higher.
Summary of the invention
The purpose of this utility model is to provide a kind of rational in infrastructure, processes easy for installation, a transmission shaft realizes two oil ducts, can reduce the tractor transmission shaft multi-oil-passage structure of manufacture cost.
The utility model is the technological scheme achieved the above object: a kind of tractor transmission shaft multi-oil-passage structure, comprise transmission shaft, it is characterized in that: in described transmission shaft, be provided with the first oilhole and the second oilhole that communicate, and the second oilhole is positioned at the front portion of the first oilhole, the oil pipe with endoporus is provided with the protruding front side shaft shoulder and the rear side shaft shoulder, the rear side shaft shoulder sealing of oil pipe is arranged on the rear portion of the first oilhole, the front side shaft shoulder is connected to the front portion of the first oilhole, oil pipe rear end has the second filler opening, the periphery cavity of the first oilhole and oil pipe forms the first oil duct, transmission shaft is provided with the first oil outlet communicated with the first oil duct in the front side of the first oil duct, rear side is provided with the first oil inlet hole communicated with the first oil duct, the endoporus of described oil pipe communicates with the second oilhole and forms the second oil duct, and the front side of transmission shaft is provided with the second oil outlet communicated with the second oilhole.
Transmission shaft is processed as the first oilhole and the second oilhole that communicate by the utility model, and the oil pipe with endoporus is arranged in the first oilhole of transmission shaft, because the rear side shaft shoulder sealing on oil pipe is arranged on the rear portion of the first oilhole, and the front side shaft shoulder of oil pipe is arranged on the front portion of the first oilhole, communicating of the first oilhole and the second oilhole is cut off by the front side shaft shoulder on oil pipe, also the cavity between the first oilhole on the periphery of oil pipe and transmission shaft can be made to form the first oil duct simultaneously, to communicate with the second oilhole on transmission shaft due to oil pipe endoporus and form the second oil duct, make the first oil duct on a transmission shaft and the second oil duct not connected, the fluid fuel feeding requirement of different oil liquid pressure can be met, nor limit by the outside dimension of transmission shaft.Multi-oil-passage of the present utility model is rational in infrastructure, can simplify processing technology, processes easy for installation, can reduce manufacture cost, and can reach the designing requirement of needs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
Fig. 1 is the schematic diagram of the utility model tractor transmission shaft multi-oil-passage structure.
Fig. 2 is the structural representation of the utility model oil pipe.
Wherein: 1-transmission shaft, 1-1-keyway, 1-2-the second oilhole, 1-3-the second oil outlet, 1-4-the first oil outlet, 1-5-driving gear, 1-6-the first oilhole, 1-7-the first oil inlet hole, 2-oil pipe, 2-1-front side shaft shoulder, 2-2-endoporus, 2-3-rear side shaft shoulder, 2-4-the second filler opening, 3-seal ring.
Embodiment
As shown in Figure 1, the utility model tractor transmission shaft multi-oil-passage structure, comprise transmission shaft 1, this transmission shaft 1 is provided with the keyway 1-1 be connected with driving gear, spline keyway can be adopted to carry out connection for transmission gear, the utility model transmission shaft 1 also has the driving gear 1-5 of one, for the transmission of power.
See Fig. 1, shown in 2, the the first oilhole 1-6 and the second oilhole 1-2 that communicate is provided with in the utility model transmission shaft 1, second oilhole 1-2 is positioned at the front portion of the first oilhole 1-6, the oil pipe 2 with endoporus 2-2 is provided with protruding front side shaft shoulder 2-1 and rear side shaft shoulder 2-3, this oil pipe 2 can adopt metal to make, the rear side shaft shoulder 2-3 sealing of oil pipe 2 is arranged on the rear portion of the first oilhole 1-6, front side shaft shoulder 2-1 is connected to the front portion of the first oilhole 1-6, oil pipe 2 rear end has the second filler opening 2-4, transmission shaft 1 is provided with groove on the rear side shaft shoulder 2-3 of oil pipe 2, seal ring 3 is arranged in groove and seals the rear side shaft shoulder 2-3 of oil pipe 2, on front side of oil pipe 2, the front side of shaft shoulder 2-1 is provided with outside thread, and the front side of the first oilhole 1-6 of transmission shaft 1 is provided with corresponding tapped hole, the front side shaft shoulder 2-1 of oil pipe 2 is screwed in the tapped hole of the first oilhole 1-6, make the first oilhole 1-6 and the second oilhole 1-2 not connected by oil pipe 2, the periphery cavity of the first oilhole 1-6 and oil pipe 2 forms the first oil duct, transmission shaft 1 is provided with the first oil outlet 1-4 communicated with the first oil duct in the front side of the first oil duct, rear side is provided with the first oil inlet hole 1-7 communicated with the first oil duct, this the first oil inlet hole 1-7 and the first oil outlet 1-4 is disposed radially, make fluid by the first oil inlet hole 1-7, first oil duct and the first oil outlet 1-4 and realize a road fuel feeding.
See shown in Fig. 1,2, the endoporus 2-2 of the utility model oil pipe 2 communicates with the second oilhole 1-2 and forms the second oil duct, the the second oil outlet 1-3 communicated with the second oilhole 1-2 is provided with in the front side of transmission shaft 1, the other end fuel feeding is realized by the second filler opening 2-4 at oil pipe 2 rear portion, the second oil duct and the second oil outlet 1-3, realize two-way fuel feeding on a shaft, and be not limited to the outside dimension of transmission shaft.
Claims (3)
1. a tractor transmission shaft multi-oil-passage structure, comprise transmission shaft (1), it is characterized in that: in described transmission shaft (1), be provided with the first oilhole (1-6) communicated and the second oilhole (1-2), and the second oilhole (1-2) is positioned at the front portion of the first oilhole (1-6), the oil pipe (2) with endoporus (2-2) is provided with the protruding front side shaft shoulder (2-1) and the rear side shaft shoulder (2-3), the rear side shaft shoulder (2-3) sealing of oil pipe (2) is arranged on the rear portion of the first oilhole (1-6), the front side shaft shoulder (2-1) is connected to the front portion of the first oilhole (1-6), oil pipe (2) rear end has the second filler opening (2-4), first oilhole (1-6) forms the first oil duct with the periphery cavity of oil pipe (2), transmission shaft (1) is provided with the first oil outlet (1-4) communicated with the first oil duct in the front side of the first oil duct, rear side is provided with the first oil inlet hole (1-7) communicated with the first oil duct, the endoporus (2-2) of described oil pipe (2) communicates with the second oilhole (1-2) and forms the second oil duct, and the front side of transmission shaft (1) is provided with the second oil outlet (1-3) communicated with the second oilhole (1-2).
2. tractor transmission shaft multi-oil-passage structure according to claim 1, it is characterized in that: described transmission shaft (1) is provided with groove on the rear side shaft shoulder (2-3) of oil pipe (2), seal ring (3) is arranged in groove and seals the rear side shaft shoulder (2-3) of oil pipe (2).
3. tractor transmission shaft multi-oil-passage structure according to claim 1, it is characterized in that: the front side of described oil pipe (2) the front side shaft shoulder (2-1) is provided with outside thread, and the front side of first oilhole (1-6) of transmission shaft (1) is provided with corresponding tapped hole, the front side shaft shoulder (2-1) of oil pipe (2) is screwed in the tapped hole of the first oilhole (1-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964552.4U CN205154879U (en) | 2015-11-27 | 2015-11-27 | Many oil ducts of tractor transmission shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964552.4U CN205154879U (en) | 2015-11-27 | 2015-11-27 | Many oil ducts of tractor transmission shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154879U true CN205154879U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520964552.4U Active CN205154879U (en) | 2015-11-27 | 2015-11-27 | Many oil ducts of tractor transmission shaft structure |
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| CN (1) | CN205154879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763058A (en) * | 2017-11-22 | 2018-03-06 | 重庆小康工业集团股份有限公司 | Transmission input shaft component |
| CN109538745A (en) * | 2018-12-26 | 2019-03-29 | 南京越博动力系统股份有限公司 | The connection spline lubricating structure of electric commercial vehicle motor and gearbox |
-
2015
- 2015-11-27 CN CN201520964552.4U patent/CN205154879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763058A (en) * | 2017-11-22 | 2018-03-06 | 重庆小康工业集团股份有限公司 | Transmission input shaft component |
| CN109538745A (en) * | 2018-12-26 | 2019-03-29 | 南京越博动力系统股份有限公司 | The connection spline lubricating structure of electric commercial vehicle motor and gearbox |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |