CN107035513B - A kind of power output device of diesel engine used not on road - Google Patents
A kind of power output device of diesel engine used not on road Download PDFInfo
- Publication number
- CN107035513B CN107035513B CN201710249595.8A CN201710249595A CN107035513B CN 107035513 B CN107035513 B CN 107035513B CN 201710249595 A CN201710249595 A CN 201710249595A CN 107035513 B CN107035513 B CN 107035513B
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- Prior art keywords
- gear
- shaft
- axle bed
- thrust plate
- power output
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
Abstract
The invention discloses a kind of power output device of diesel engine used not on road, including the gear shaft that can be connected with engine at extreme rear gear train, one end on the gear shaft far from gear train is equipped with thrust plate, the axle bed that can be connected with engine gear case is arranged on gear shaft between the thrust plate and gear train, a bushing is embedded between the gear shaft and axle bed, the axle bed is equipped with the oil input channel for radially opening up and extending to the gear shaft outer surface, accordingly, it is additionally provided on the axle bed and gear chamber inner cavity is opened up and extended to along its axial direction and position high-order oil return hole corresponding with the thrust plate position.The configuration of the present invention is simple, thrust plate is arranged far from the gear shaft of engine gear system one end, improve the stability of gear shaft operation, simultaneously, increase high-order oil return hole, strengthens the lubrication and heat dissipation of thrust plate, be the unitary device independently assembled, maintenance easy to disassemble, effectively reduces maintenance cost.
Description
Technical field
The present invention relates to engine manufacturing technology fields, more specifically, it relates to which a kind of diesel engine used not on road is dynamic
Power output device.
Background technique
Diesel engine used not on road is other than the power output at crankshaft-flywheel end, it is also necessary to which slave pulley system, gear train carry out
Power output needs hydraulic system to drive such as the movement of harvester in farm machinery, the harvest mechanism of ensilage machine, vehicle walking
Mechanism needs front-end belt pulley system to drive, and there are also the rotating mechanisms of transfer cask, soil-shifting in engineering machinery concrete mixing and transporting car
The hoisting mechanism etc. of mechanical shovel knife requires PTO and provides power.Currently, non-road mechanical transmission mechanism multiplicity is complicated, because it makes
Extremely severe with environment, existing power drive mechanism cannot all serve agriculture project Machinery Market well, be primarily present
Following disadvantage:
1, motor head driving belt is easily involved in harvested material, clast, industrial dust etc., to belt slippage, morning occur
The problem of mill, fracture；
2, transfer case gear drive, PTO output shaft both ends are driven using roller bearings, and structure is complicated, dismounting
Difficult, maintenance cost height；
3, unilateral support gear power output device, transmission stability is poor, in particular by helical gear structure, only
By unilateral axial force early mill tile kilning phenomenon is easily occurred for push jack.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, it is simple to provide a kind of structure, production
It is convenient, the diesel engine used not on road power output device of gear shaft run stability and maintenance easy to disassemble can be improved.
The technical scheme is that such: a kind of power output device of diesel engine used not on road, including can be with hair
The connected gear shaft of motivation postposition gear train, one end far from gear train is equipped with thrust plate, the thrust on the gear shaft
Be arranged with the axle bed that can be connected with engine gear case on gear shaft between piece and gear train, the gear shaft and axle bed it
Interior to be embedded with a bushing, the axle bed is equipped with the oil inlet for radially opening up and extending to the gear shaft outer surface
Road opens up along its axial direction and extends to gear chamber inner cavity and position and the thrust correspondingly, being additionally provided on the axle bed
The corresponding high-order oil return hole in piece position.
As a further improvement, the axle bed outer rim is equipped with the high pressure oil inlet pipe being connected with the oil input channel, with
The opposite axle bed side of the thrust plate is additionally provided with the ventilation that engine gear case inner cavity is opened up and extend, be connected to along its axial direction
Hole.
Further, the bushing is the sleeve of hollow structure, is between the outer ring of the bushing and the axle bed
It is full of cooperation, correspondingly, being clearance fit between the inner ring of the bushing and the gear shaft, also, the inner ring of the bushing is one
A smooth surface of revolution compatible with the gear shaft outer surface.
Further, the high-order oil return hole is the through-hole being connected with engine gear case, also, the high position oil return
The top edge flush of the position in hole and the thrust plate.
Further, the gear shaft is the T shape axis that one end is big, the other end is small, including is connected with engine gear system
Connecting shaft and the output shaft for output power that is plugged in the bushing, the connecting shaft be coaxial cloth with output shaft
It sets and integrally formed structure, the thrust plate is located at one end on the outside of the output shaft.
Further, the outside of the output shaft be equipped with along its axially arrangement and can with the external world operating mechanism be connected in
Spline is equipped with mounting groove compatible with the thrust plate on the output shaft of internal spline periphery, the internal spline side
A lightening hole is additionally provided on output shaft；The internal spline and lightening hole is respectively positioned on the axial line of the output shaft.
Further, the power output device is a unitary device independently assembled, the outer rim of the axle bed
Equipped with multiple bolts hole being fixed on the unitary device on engine gear case.
Further, the periphery on the axle bed close to engine gear case side, which is equipped with, to move gear chamber with described
The O-ring seal of power output device sealing.
Beneficial effect
Compared with the prior art, the invention has the following advantages:
1, thrust plate of the invention is arranged far from the gear shaft of gear train one end, and it is thin to avoid gear shaft neck stress
Weak area, the stress for reducing gear shaft are concentrated, to extend the service life of gear shaft, while also helping balance gear wheel shaft
Stress is operated, keeps the structure operating of unilateral bushing support more stable, it is ensured that transmission efficiency；
2, the present invention passes through the high-order oil return hole being arranged on axle bed, when lubricating oil liquid level is increased to high-order oil return hole,
Thrust plate is immersed in lubricating oil, and forced feed lubrication thrust plate simultaneously takes away frictional heat, substantially enhances the service life of thrust plate,
Substantially increase the heat-sinking capability and wear resistance of thrust plate；
3, the present invention is the unitary device independently assembled, and when power output device breaks down, only needs to unclamp
Disassembling, assembling and replacing anywhere or anytime can be realized in fastening bolt on bolt hole, safeguards convenient for client's integral disassembly, assembly, has saved maintenance
Cost；
4, it is provided with venthole above axle bed of the invention, keeps the oil-air pressure balance of gear shaft two sides, is conducive to machine
Oil reflux crankcase, also, be sealed between power output device and gear chamber of the invention by O-ring seal, it seals
Effect is more preferable；
5, the output shaft of middle gear axis of the present invention is supported using unilateral bushing, and structure is simple, low manufacture cost, also,
It is matched in the smooth surface of revolution that the inner ring of the bushing is equipped with by finishing with output shaft, improves the essence of bushing inner ring
Degree, it is ensured that stability of the gear shaft when running at high speed and injury-free effectively extends the service life of gear shaft.
Detailed description of the invention
Fig. 1 is forward sight structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of A-A in Fig. 1；
Fig. 3 is the schematic diagram of the section structure of B-B in Fig. 2；
Fig. 4 is the schematic diagram of the section structure of middle gear axis of the present invention
Fig. 5 is the schematic diagram of the section structure of bushing in the present invention.
Wherein: 1- gear shaft, 2- thrust plate, 3- axle bed, 4- bushing, 5- oil input channel, 6- high position oil return hole, 7- high pressure oil inlet
Pipe, 8- venthole, the 9- surface of revolution, 10- bolt hole, 11-O type sealing ring, 1a- connecting shaft, 1b- output shaft, 1c- internal spline, 1d-
Mounting groove, 1e- lightening hole.
Specific embodiment
The present invention is described further for specific embodiment in reference to the accompanying drawing.
Refering to fig. 1-5, the power output device of a kind of diesel engine used not on road of the invention, including can be with engine at extreme rear
The connected gear shaft 1 of gear train, the gear shaft 1 are used to passing to in-engine power into extraneous executing agency and work,
One end on gear shaft 1 far from gear train is equipped with thrust plate 2, which is used to prevent gear shaft 1 from axial displacement occurs,
The axle bed 3 that can be connected with engine gear case is arranged on gear shaft 1 between thrust plate 2 and gear train, the axle bed 3 is for branch
Support gear shaft 1, between gear shaft 1 and axle bed 3 in be embedded with a bushing 4, the bushing 4 be made by high-wearing feature material and
At both can preventing from relative friction between gear shaft 1 and axle bed 3 and make to be damaged；It is equipped with and is radially opened up simultaneously on axle bed 3
The oil input channel 5 of 1 outer surface of gear shaft is extended to, lubricating oil enters the gap between gear shaft 1 and bushing 4 by the oil input channel 5
It is interior, play lubrication, it is ensured that the stability that gear shaft 1 operates opens up simultaneously correspondingly, being additionally provided on axle bed 3 along its axial direction
Gear chamber inner cavity is extended to and position high-order oil return hole 6 corresponding with 2 position of thrust plate, when lubricating oil liquid level raising is supreme
When the oil return hole 6 of position, thrust plate 2 is immersed in lubricating oil, and forced feed lubrication thrust plate 2 simultaneously takes away frictional heat, is substantially enhanced only
The service life of push jack 2 substantially increases the heat-sinking capability and wear resistance of thrust plate 2.Structure of the invention is simple, production
Convenient, thrust plate 2 is arranged far from the gear shaft 1 of gear train one end, avoids 1 axle journal stress weak area of gear shaft, subtract
The stress of small gear shaft 1 is concentrated, to extend the service life of gear shaft 1, while also helping the operating of balance gear wheel shaft 1
Stress, the structure operating for supporting unilateral bushing 4 are more stable, it is ensured that transmission efficiency, the present invention be one independently assemble it is whole
Body formula device is safeguarded convenient for client's integral disassembly, assembly, has saved maintenance cost.
In the above embodiments, be equipped with the high pressure oil inlet pipe 7 that is connected with oil input channel 5 in the outer rim of axle bed 3, by high pressure into
Oil pipe 7 provide extreme pressure lubricant generate oil film to gear shaft 1 carry out forced feed lubrication, it is ensured that gear shaft 1 be driven stability, with
Opposite 3 side of axle bed of thrust plate 2 is additionally provided with the venthole that engine gear case inner cavity is opened up and extend, be connected to along its axial direction
8, the oil-air pressure balance of 1 two sides of gear shaft is kept, machine oil reflux crankcase is conducive to, power output device of the invention is one
After a unitary device independently assembled, the i.e. power output device is whole assemble, then it is mounted to engine gear system
The unitary device is fixed on the bolt hole 10 on engine gear case equipped with multiple in the outer rim of axle bed 3, specifically by upper fixation
, there are four the bolts hole 10, and when power output device breaks down, only need to unclamp four fastening bolts can at any time more
It changes, easy disassembly maintenance；Periphery on axle bed 3 close to engine gear case side is set also can be by gear chamber and power output
The O-ring seal 11 of device sealing, sealing effect is more preferable.
Wherein, bushing 4 is the sleeve of hollow structure, is interference fit between the outer ring and axle bed 3 of bushing 4, i.e. bushing 4 is solid
It is scheduled in the mounting hole on axle bed 3, correspondingly, being clearance fit between the inner ring of bushing 4 and gear shaft 1, it is ensured that gear shaft 1 is transported
The stability turned, also, the inner ring of the bushing 4 is a smooth surface of revolution 9 compatible with 1 outer surface of gear shaft, is improved
The precision of 4 inner ring of bushing, it is ensured that stability of the gear shaft 1 when running at high speed and injury-free effectively extends gear shaft 1
Service life.
High-order oil return hole 6 is the through-hole being connected with engine gear case, also, the position of the high position oil return hole 6 with only
The top edge flush of push jack 2, is fully immersed in thrust plate 2 in lubricating oil, further improves the heat-sinking capability of thrust plate 2
And wear resistance.
Gear shaft 1 is one end is big, the other end is small T shape axis, the connecting shaft 1a including being connected with engine gear system and slotting
The output shaft 1b for output power, connecting shaft 1a and the output shaft 1b being connected in bushing 4 are coaxially arranged and are integrally formed
Structure, improve the rigid of gear shaft 1, thrust plate 2 is located at one end on the outside of output shaft 1b, that is, is located remotely from connecting shaft
The joining place (axle journal) of 1a and output shaft 1b, avoids the grooving at the axle journal of stress weakness and reduces by 1 power output of gear shaft
Stationarity；The internal spline 1c that axially arranges and can be connected with extraneous operating mechanism along it is equipped in the outside of output shaft 1b,
For outputting power to the external world, mounting groove compatible with thrust plate 2 is equipped on the output shaft 1b of the periphery internal spline 1c
1d is additionally provided with a lightening hole 1e on the output shaft 1b of the side internal spline 1c, plays the role of loss of weight for installing thrust plate 2
Simultaneously, it is thus also avoided that stress is concentrated, and extends the service life of output shaft 1b, also, internal spline 1c and lightening hole 1e is respectively positioned on
On the axial line of output shaft 1b, coaxial precision is higher, and stability is more preferable.
What has been described above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these all will not influence implementation of the present invention
Effect and patent practicability.
Claims (8)
1. a kind of power output device of diesel engine used not on road, which is characterized in that including can be with engine at extreme rear gear train phase
Gear shaft (1) even, one end on the gear shaft (1) far from gear train are equipped with thrust plate (2), the thrust plate (2) with
Be arranged with the axle bed (3) that can be connected with engine gear case on gear shaft (1) between gear train, the gear shaft (1) with
It is embedded with a bushing (4) between axle bed (3), the axle bed (3) is equipped with and radially opens up and extend to the gear
The oil input channel (5) of axis (1) outer surface opens up along its axial direction correspondingly, being additionally provided on the axle bed (3) and extends to gear chamber
Inner cavity and position high-order oil return hole (6) corresponding with the thrust plate (2) position.
2. a kind of power output device of diesel engine used not on road according to claim 1, which is characterized in that the axis
Seat (3) outer rim is equipped with the high pressure oil inlet pipe (7) being connected with the oil input channel (5), the opposite axle bed with the thrust plate (2)
(3) side is additionally provided with the venthole (8) that engine gear case inner cavity is opened up and extend, be connected to along its axial direction.
3. a kind of power output device of diesel engine used not on road according to claim 1, which is characterized in that the lining
The sleeve that (4) are hollow structure is covered, is interference fit between the outer ring and the axle bed (3) of the bushing (4), correspondingly, institute
State between the inner ring of bushing (4) and the gear shaft (1) as clearance fit, also, the inner ring of the bushing (4) be one with it is described
The compatible smooth surface of revolution (9) in gear shaft (1) outer surface.
4. a kind of power output device of diesel engine used not on road according to claim 1, which is characterized in that the height
Position oil return hole (6) be the through-hole being connected with engine gear case, also, the position of the high position oil return hole (6) and the thrust
The top edge flush of piece (2).
5. a kind of power output device of diesel engine used not on road according to claim 1, which is characterized in that the tooth
Wheel shaft (1) is the T shape axis that one end is big, the other end is small, including the connecting shaft (1a) being connected with engine gear system and is plugged in institute
The output shaft (1b) for output power in bushing (4) is stated, the connecting shaft (1a) is coaxially arranged with output shaft (1b)
And integrally formed structure, the thrust plate (2) are located at one end on the outside of the output shaft (1b).
6. a kind of power output device of diesel engine used not on road according to claim 5, which is characterized in that the output
The outside of axis (1b) is equipped with the internal spline (1c) axially arranged and can be connected with extraneous operating mechanism along it, in the internal spline
The output shaft (1b) of the periphery (1c) is equipped with the thrust plate (2) compatible mounting groove (1d), the internal spline (1c) one
A lightening hole (1e) is additionally provided on the output shaft (1b) of side；The internal spline (1c) and lightening hole (1e) is respectively positioned on the output
On the axial line of axis (1b).
7. a kind of power output device of diesel engine used not on road, feature described in any one of -6 according to claim 1
It is, the power output device is a unitary device independently assembled, and the outer rim of the axle bed (3) is equipped with multiple incite somebody to action
The unitary device is fixed on the bolt hole (10) on engine gear case.
8. a kind of power output device of diesel engine used not on road according to claim 7, which is characterized in that the axis
Periphery on seat (3) close to engine gear case side is O-shaped close equipped with that can seal gear chamber with the power output device
Seal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249595.8A CN107035513B (en) | 2017-04-17 | 2017-04-17 | A kind of power output device of diesel engine used not on road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249595.8A CN107035513B (en) | 2017-04-17 | 2017-04-17 | A kind of power output device of diesel engine used not on road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107035513A CN107035513A (en) | 2017-08-11 |
| CN107035513B true CN107035513B (en) | 2019-02-01 |
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ID=59536315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710249595.8A Active CN107035513B (en) | 2017-04-17 | 2017-04-17 | A kind of power output device of diesel engine used not on road |
Country Status (1)
| Country | Link |
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| CN (1) | CN107035513B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700553B (en) * | 2021-08-25 | 2022-11-04 | 一汽解放大连柴油机有限公司 | Engine auxiliary output structure and automobile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2728592B2 (en) * | 1992-01-24 | 1998-03-18 | 日野自動車工業株式会社 | Continuously variable transmission having two engines |
| JP5361677B2 (en) * | 2009-11-19 | 2013-12-04 | 株式会社小松製作所 | Thrust bush lubrication structure for reducer |
| US8984972B2 (en) * | 2012-07-17 | 2015-03-24 | Cummins Ip, Inc. | Power take-off system for an internal combustion engine |
| CN203098044U (en) * | 2013-01-28 | 2013-07-31 | 中国重汽集团济南动力有限公司 | Postposition power take-off system of diesel |
| CN203856534U (en) * | 2014-05-21 | 2014-10-01 | 重庆润通动力有限公司 | Lubricating structure of auxiliary power output device of non-road diesel engine |
| CN106015529A (en) * | 2016-08-03 | 2016-10-12 | 广西玉柴机器股份有限公司 | Power output structure of engine hydraulic pump |
| CN206636645U (en) * | 2017-04-17 | 2017-11-14 | 广西玉柴机器股份有限公司 | A kind of PTO of diesel engine used not on road |
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2017
- 2017-04-17 CN CN201710249595.8A patent/CN107035513B/en active Active
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| CN107035513A (en) | 2017-08-11 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 537006 the Guangxi Zhuang Autonomous Region Tianqiao West Road, Yulin, No. 88 Applicant after: Guangxi Yuchai Machinery Co., Ltd. Address before: 537006 the Guangxi Zhuang Autonomous Region Tianqiao West Road, Yulin, No. 88 Applicant before: Guangxi Yuchai Machinery Limited by Share Ltd |
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| GR01 | Patent grant |