CN206636645U - A kind of PTO of diesel engine used not on road - Google Patents
A kind of PTO of diesel engine used not on road Download PDFInfo
- Publication number
- CN206636645U CN206636645U CN201720399700.1U CN201720399700U CN206636645U CN 206636645 U CN206636645 U CN 206636645U CN 201720399700 U CN201720399700 U CN 201720399700U CN 206636645 U CN206636645 U CN 206636645U
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- China
- Prior art keywords
- gear
- pto
- thrust plate
- gear shaft
- axle bed
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Abstract
The utility model discloses a kind of PTO of diesel engine used not on road, including the gear shaft that can be connected with engine at extreme rear gear train, one end away from gear train is provided with thrust plate on described gear shaft, the axle bed that can be connected with engine gear case is arranged with gear shaft between the thrust plate and gear train, a bushing is embedded between described gear shaft and axle bed, described axle bed is provided with and radially opens up and extend to the oil input channel of the gear shaft outer surface, it is additionally provided with described axle bed and gear chamber inner chamber is opened up and extended to along its axial direction and high-order spill port that position is corresponding with the thrust plate position.The utility model is simple in construction, 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 spill port, strengthen lubrication and the radiating of thrust plate, be a unitary device independently assembled, it is easy to dismounting to safeguard, effectively reduces maintenance cost.
Description
Technical field
Engine manufacturing technology field is the utility model is related to, more specifically, it relates to a kind of diesel engine used not on road
PTO.
Background technology
Diesel engine used not on road is in addition to the power output at crankshaft-flywheel end, it is also necessary to is carried out from belt train, gear train
Power output, if the action of harvester in farm machinery, the harvest mechanism of ensilage machine is, it is necessary to hydraulic system drives, vehicle walking
Mechanism needs front-end belt pulley system to drive, the rotating mechanism of transfer cask, soil-shifting also in engineering machinery concrete mixing and transporting car
Hoisting mechanism of mechanical shovel knife etc. is required for PTO to provide power.At present, the various complexity of non-road mechanical transmission mechanism, because it makes
Extremely severe with environment, existing power drive mechanism can not all serve agriculture project Machinery Market well, be primarily present
Following shortcoming：
1st, motor head driving belt, harvested material, chip, industrial dust etc. are easily involved in, so as to belt slippage, morning occur
The problem of mill, fracture；
2nd, transfer case gear drive, PTO output shafts both ends are driven using roller bearings, complicated, dismounting
Difficult, maintenance cost height；
3rd, unilateral support gear transmission output device, transmission stability is poor, in particular by helical gear structure, stops
By unilateral axial force early mill tile kilning phenomenon is easily occurred for push jack.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for prior art, there is provided it is a kind of simple in construction,
Diesel engine used not on road PTO easy to make, that gear shaft run stability can be improved and be easy to dismounting to safeguard.
The technical solution of the utility model is such：A kind of PTO of diesel engine used not on road, including can
The gear shaft being connected with engine at extreme rear gear train, one end away from gear train is provided with thrust plate on described gear shaft, described
The axle bed that can be connected with engine gear case, described gear shaft and axle are arranged with gear shaft between thrust plate and gear train
A bushing is embedded between seat, described axle bed is provided with and radially opens up and extend to entering for the gear shaft outer surface
Oil duct, accordingly, be additionally provided with described axle bed open up and extend to along its axial direction gear chamber inner chamber and position with it is described only
The corresponding high-order spill port in push jack position.
As a further improvement, described axle bed outer rim is provided with the high pressure oil inlet pipe being connected with the oil input channel, with
The relative axle bed side of the thrust plate is additionally provided with the ventilation that engine gear case inner chamber is opened up and extend, be communicated to along its axial direction
Hole.
Further, described bushing is the sleeve of hollow structure, is between the outer ring of the bushing and the axle bed
It is full of cooperation, accordingly, coordinates between the inner ring of the bushing and the gear shaft for gap, also, the inner ring of the bushing is one
The individual smooth surface of revolution being adapted with the gear shaft outer surface.
Further, described high-order spill port is the through hole that is connected with engine gear case, also, the high-order oil return
The position in hole and the top edge flush of the thrust plate.
Further, described gear shaft is the T-shaped axle that one end is big, the other end is small, including is connected with engine gear system
Connecting shaft and be plugged in the bushing be used for export the output shaft of power, described connecting shaft is coaxial cloth with output shaft
Put and integrally formed structure, described thrust plate are located at one end on the outside of the output shaft.
Further, the outside of the output shaft be provided with along its it is axial arranged and can with the external world operating mechanism be connected in
Spline, the mounting groove being adapted with the thrust plate is provided with the output shaft of internal spline periphery, the internal spline side
A lightening hole is additionally provided with output shaft；Described internal spline is respectively positioned on the axial line of the output shaft with lightening hole.
Further, described PTO is a unitary device independently assembled, the outer rim of the axle bed
Provided with multiple bolts hole being fixed on the unitary device on engine gear case.
Further, it is provided with and gear chamber can be moved with described close to the periphery of engine gear case side on described axle bed
The O-ring seal of power output device sealing.
Beneficial effect
The utility model compared with prior art, has the following advantages that：
1st, thrust plate of the present utility model is arranged far from the gear shaft of gear train one end, avoid gear shaft neck by
Power weak area, the stress concentration of gear shaft is reduced, so as to extend the service life of gear shaft, while also help balance gear
Wheel shaft operates stress, makes the structure operating of unilateral bushing support more steady, it is ensured that transmission efficiency；
2nd, the utility model is by the high-order spill port that is arranged on axle bed, when lubricating oil liquid level is increased to high-order spill port
When, thrust plate is immersed in lubricating oil, and forced feed lubrication thrust plate simultaneously takes away frictional heat, and significantly enhance thrust plate uses the longevity
Life, substantially increase the heat-sinking capability and wear resistance of thrust plate；
3rd, the utility model is a unitary device independently assembled, and when PTO breaks down, is only needed
Disassembling, assembling and replacing anywhere or anytime can be achieved in the fastening bolt unclamped on bolt hole, is easy to client's integral disassembly, assembly to safeguard, saves
Maintenance cost；
4th, passage is provided with above axle bed of the present utility model, keeps the oil-air pressure balance of gear shaft both sides, favorably
In machine oil backflow crankcase, also, pass through O types sealing ring between PTO of the present utility model and gear chamber and carry out
Sealing, sealing effectiveness are more preferable；
5th, the output shaft of the utility model middle gear axle is supported using unilateral bushing, and its is simple in construction, low manufacture cost, and
And be engaged in the inner ring of the bushing provided with the smooth surface of revolution by finishing with output shaft, improve bushing inner ring
Precision, it is ensured that stability of the gear shaft when running at high speed and injury-free, effectively extend the service life of gear shaft.
Brief description of the drawings
Fig. 1 is forward sight structural representation of the present utility model；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is the cross-sectional view of B-B in Fig. 2；
Fig. 4 is the cross-sectional view of the utility model middle gear axle；
Fig. 5 is the cross-sectional view of bushing in the utility model.
Wherein：1- gear shafts, 2- thrust plates, 3- axle beds, 4- bushings, 5- oil input channels, 6- high positions spill port, 7- height are pressed into
Oil pipe, 8- passages, the 9- surfaces of revolution, 10- bolts hole, 11-O types sealing ring, 1a- connecting shafts, 1b- output shafts, 1c- internal splines,
1d- mounting grooves, 1e- lightening holes.
Embodiment
Specific embodiment in below in conjunction with the accompanying drawings is described further to the utility model.
Refering to Fig. 1-5, a kind of PTO of diesel engine used not on road of the present utility model, including can be with engine
The connected gear shaft 1 of rearmounted gear train, the gear shaft 1 are used for executing agency's work that in-engine power is passed to the external world
Make, one end away from gear train is provided with thrust plate 2 on gear shaft 1, and the thrust plate 2 is used to prevent gear shaft 1 from axial position occurs
Move, be arranged with the axle bed 3 that can be connected with engine gear case on the gear shaft 1 between thrust plate 2 and gear train, the axle bed 3
Interior between gear shaft 1 and axle bed 3 to be embedded with a bushing 4 for supporting gear shaft 1, the bushing 4 is by high-wearing feature material system
Form, Relative friction between gear shaft 1 and axle bed 3 can be prevented and be damaged the two；It is provided with axle bed 3 and radially opens
And if extend to the oil input channel 5 of the outer surface of gear shaft 1, lubricating oil passes through the oil input channel 5 and entered between gear shaft 1 and bushing 4
In gap, play lubrication, it is ensured that the stability that gear shaft 1 operates, accordingly, be additionally provided with along its axial direction and open on axle bed 3
And if extend to gear chamber inner chamber and high-order spill port 6 that position is corresponding with the position of thrust plate 2, when lubricating oil liquid level raises
During to high-order spill port 6, thrust plate 2 is immersed in lubricating oil, and forced feed lubrication thrust plate 2 simultaneously takes away frictional heat, significantly strengthens
The service life of thrust plate 2, substantially increase the heat-sinking capability and wear resistance of thrust plate 2.Structure of the present utility model
Simply, easy to make, its thrust plate 2 is arranged far from the gear shaft 1 of gear train one end, avoids the axle journal stress of gear shaft 1
Weak area, the stress concentration of gear shaft 1 is reduced, so as to extend the service life of gear shaft 1, while also help balance gear
Wheel shaft 1 operates stress, and the structure operating for supporting unilateral bushing 4 is more steady, it is ensured that transmission efficiency, the utility model are one
The unitary device independently assembled, it is easy to client's integral disassembly, assembly to safeguard, has saved maintenance cost.
In the above embodiments, the high pressure oil inlet pipe 7 being connected with oil input channel 5 is provided with the outer rim of axle bed 3, is pressed into by height
Oil pipe 7 provide extreme pressure lubricant produce oil film to gear shaft 1 carry out forced feed lubrication, it is ensured that gear shaft 1 be driven stability, with
The relative side of axle bed 3 of thrust plate 2 is additionally provided with the passage that engine gear case inner chamber is opened up and extend, be communicated to along its axial direction
8, the oil-air pressure balance of the both sides of gear shaft 1 is kept, is advantageous to machine oil backflow crankcase, PTO of the present utility model
For a unitary device independently assembled, i.e., after the PTO assembles for entirety, then it is mounted to engine tooth
Wheel fastens fixation, and multiple bolts hole 10 being fixed on the unitary device on engine gear case are provided with the outer rim of axle bed 3,
Specifically, the bolt hole 10 has four, when PTO breaks down, only need to unclamp four fastening bolts can be at any time
Change, easy disassembly is safeguarded；Being set on axle bed 3 close to the periphery of engine gear case side also can be defeated with power by gear chamber
Go out the O-ring seal 11 of device sealing, sealing effectiveness is more preferable.
Wherein, bushing 4 is the sleeve of hollow structure, is interference fit between the outer ring of bushing 4 and axle bed 3, i.e. bushing 4 is solid
It is scheduled in the mounting hole on axle bed 3, accordingly, coordinates between the inner ring and gear shaft 1 of bushing 4 for gap, it is ensured that gear shaft 1 is transported
The stability turned, also, the inner ring of the bushing 4 is the smooth surface of revolution 9 being adapted with the outer surface of gear shaft 1, is improved
The precision of the inner ring of bushing 4, it is ensured that stability of the gear shaft 1 when running at high speed and injury-free, effectively extend gear shaft
1 service life.
High-order spill port 6 is the through hole being connected with engine gear case, also, the position of the high-order spill port 6 is with stopping
The top edge flush of push jack 2, makes thrust plate 2 be fully immersed in lubricating oil, further increases 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-shaped axle, including the connecting shaft 1a that is connected with engine gear system and slotting
The output shaft 1b, connecting shaft 1a and output shaft 1b that are used to export power 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
1a and output shaft 1b joining place (axle journal), avoid the grooving at the weak axle journal of stress and reduce the power output of gear shaft 1
Stationarity；Internal spline 1c that is axial arranged along its and being connected with the operating mechanism in the external world is provided with output shaft 1b outside,
For outputting power to the external world, the mounting groove being adapted with thrust plate 2 is provided with the output shaft 1b of internal spline 1c peripheries
1d, for installing thrust plate 2, a lightening hole 1e is additionally provided with the output shaft 1b of internal spline 1c sides, plays loss of weight effect
Simultaneously, it is thus also avoided that stress concentration, extend output shaft 1b service life, also, internal spline 1c and lightening hole 1e is respectively positioned on
On output shaft 1b axial line, coaxial precision is higher, and stability is more preferable.
Above-described is only preferred embodiment of the present utility model, it should be pointed out that is come for those skilled in the art
Say, on the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these are all without this reality of influence
With the effect and practical applicability of new implementation.
Claims (8)
1. a kind of PTO of diesel engine used not on road, it is characterised in that including can be with engine at extreme rear gear train phase
Gear shaft (1) even, one end away from gear train is provided with thrust plate (2) on described gear shaft (1), the thrust plate (2) and
Be arranged with the axle bed (3) that can be connected with engine gear case on gear shaft (1) between gear train, described gear shaft (1) with
A bushing (4) is embedded between axle bed (3), described axle bed (3) is provided with and radially opens up and extend to the gear
The oil input channel (5) of axle (1) outer surface, accordingly, it is additionally provided with described axle bed (3) and gear chamber is opened up and extended to along its axial direction
Inner chamber and the position high-order spill port (6) corresponding with the thrust plate (2) position.
A kind of 2. PTO of diesel engine used not on road according to claim 1, it is characterised in that described axle
Seat (3) outer rim is provided with the high pressure oil inlet pipe (7) being connected with the oil input channel (5), the relative axle bed with the thrust plate (2)
(3) side is additionally provided with the passage (8) that engine gear case inner chamber is opened up and extend, be communicated to along its axial direction.
A kind of 3. PTO of diesel engine used not on road according to claim 1, it is characterised in that described lining
The sleeve that (4) are hollow structure is covered, is interference fit, accordingly, institute between the outer ring of the bushing (4) and the axle bed (3)
State between the inner ring of bushing (4) and the gear shaft (1) for gap coordinate, also, the inner ring of the bushing (4) be one with it is described
The smooth surface of revolution (9) that gear shaft (1) outer surface is adapted.
A kind of 4. PTO of diesel engine used not on road according to claim 1, it is characterised in that described height
Position spill port (6) is the through hole that is connected with engine gear case, also, the position of the high-order spill port (6) and the thrust
The top edge flush of piece (2).
A kind of 5. PTO of diesel engine used not on road according to claim 1, it is characterised in that described tooth
Wheel shaft (1) is one end is big, the other end is small T-shaped axle, including the connecting shaft (1a) that is connected with engine gear system and is plugged in institute
The output shaft (1b) for being used to export power in bushing (4) is stated, described connecting shaft (1a) is coaxially arranged with output shaft (1b)
And integrally formed structure, described thrust plate (2) are located at one end on the outside of the output shaft (1b).
A kind of 6. PTO of diesel engine used not on road according to claim 5, it is characterised in that the output
The outside of axle (1b) is provided with internal spline (1c) that is axial arranged along its and being connected with the operating mechanism in the external world, in the internal spline
The output shaft (1b) of (1c) periphery is provided with the mounting groove (1d) being adapted with the thrust plate (2), the internal spline (1c) one
A lightening hole (1e) is additionally provided with the output shaft (1b) of side；Described internal spline (1c) is respectively positioned on the output with lightening hole (1e)
On the axial line of axle (1b).
7. a kind of PTO of diesel engine used not on road according to any one in claim 1-6, its feature
It is, described PTO is a unitary device independently assembled, and the outer rim of the axle bed (3) is provided with multiple incite somebody to action
The unitary device is fixed on the bolt hole (10) on engine gear case.
A kind of 8. PTO of diesel engine used not on road according to claim 7, it is characterised in that described axle
Be provided with seat (3) close to the periphery of engine gear case side gear chamber can be sealed with the PTO it is O-shaped close
Seal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399700.1U CN206636645U (en) | 2017-04-17 | 2017-04-17 | A kind of PTO of diesel engine used not on road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399700.1U CN206636645U (en) | 2017-04-17 | 2017-04-17 | A kind of PTO of diesel engine used not on road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636645U true CN206636645U (en) | 2017-11-14 |
Family
ID=60245730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720399700.1U Withdrawn - After Issue CN206636645U (en) | 2017-04-17 | 2017-04-17 | A kind of PTO of diesel engine used not on road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
-
2017
- 2017-04-17 CN CN201720399700.1U patent/CN206636645U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171114 Effective date of abandoning: 20190201 |
|
| AV01 | Patent right actively abandoned |