CN206530666U - A kind of PTO for agricultural machinery - Google Patents
A kind of PTO for agricultural machinery Download PDFInfo
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- CN206530666U CN206530666U CN201720165856.3U CN201720165856U CN206530666U CN 206530666 U CN206530666 U CN 206530666U CN 201720165856 U CN201720165856 U CN 201720165856U CN 206530666 U CN206530666 U CN 206530666U
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- output shaft
- bevel gear
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Abstract
A kind of PTO for agricultural machinery, including power input mechanism, power control mechanism and power take-off mechanism, engine passes through power input mechanism input power, and export on three roads of the power of input point to power take-off mechanism, power output to running gear is realized by the normal engagement between bevel gear, is exported wherein exporting to output shaft III for stand-by power；Power output to work system is to first pass through hydraulic oil input oil pocket to make oil pressure active force promote plunger, compress disk spring, make steel disc be combined with friction plate, power is transferred to friction plate, friction plate by frictional force and transmits power to clutch outer member by spline engagement again and export power to output shaft I by steel disc, and output shaft I outputs power to work system by power-take-off pulley.Power is divided into three tunnels by the utility model by power control mechanism and power take-off mechanism, is not only convenient for the installation of engine, while being easy to the arrangement of power output system, compact conformation is simple and practical.
Description
Technical field
The utility model is related to agricultural machinery application field, relates generally to a kind of power output for agricultural machinery and fills
Put.
Background technology
The transmission of agricultural machinery power is broadly divided into two large divisions：Running gear and equipment.Running gear power needs
Often engagement, equipment needs clutch for clutch control.It is increasingly wider that current hydraulic system is applied in agricultural machinery, agricultural machinery row
Walking system is frequently with closed system hydraulic drive, and by the way that hydraulic pump is realized into running gear power installed in engine output shaft
Often engagement, while exporting power to clutch, the clutch of equipment power is realized using Manual clutch.
The existing way of output needs engine output shaft two output in parallel, is unfavorable for engine output shaft transmission system
Arrangement, current power output mode can not meet needs, be badly in need of it is a kind of is easy to the installation of engine, while being easy to power
The PTO for agricultural machinery of output system arrangement.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of PTO for agricultural machinery,
Engine power need to only transmit power to input shaft, and power is divided into the output of three tunnels by PTO, is easy to engine
Install, while being easy to the arrangement of power output system, compact conformation is simple and practical.
The technical scheme that the utility model is used is：A kind of PTO for agricultural machinery, including power
Input mechanism, power control mechanism and power take-off mechanism, described power input mechanism include terminal pad, drive plate wheel hub,
Input shaft, described power control mechanism includes clutch outer member, plunger, disk spring, steel disc, friction plate, oil pocket, described
Output shaft I and output shaft that power take-off mechanism is coaxially disposed including bevel gear I, bevel gear II, bevel gear III and input shaft
I connection power-take-off pulley, be symmetricly set on input shaft both sides and the output shaft II and output shaft III vertical with input shaft；
Described terminal pad and drive plate wheel hub is set in input shaft and the close one end of engine, described bevel gear I
Be located at the other end of input shaft, and respectively with the bevel gear II being located on output shaft II and the bevel gear III being located on output shaft III
It is meshed, described clutch outer member is located at output shaft I with the close one end of power input shaft, internal spline is provided with housing,
Friction plate is arranged in the friction film trap of internal spline formation, and external splines is provided with outside described bevel gear I, and steel disc is arranged on external splines
In the steel disc groove of formation, and friction plate, steel disc are alternately installed in friction film trap and steel disc groove, and described plunger is located at clutch
In case body, and be set on the spindle nose of output shaft I, between described plunger and bevel gear I be provided with disk spring, plunger with
Formed between the shell wall of clutch outer member in the axial direction provided with the oil duct being connected with oil pocket in oil pocket, described output shaft I, and
Oil pocket is delivered to by being connected to the swivel joint of the axle tail of output shaft I by hydraulic oil；
Described terminal pad is connected with engine, and drive plate wheel hub is connected with terminal pad, and engine passes through terminal pad, transmission
Plate wheel hub input power to input shaft, input shaft is distinguished power by the power control mechanism installed in its end and bevel gear
Export to output shaft I, output shaft II and output shaft III.
Preferably, gland and housing are also equipped with described input shaft, housing passes through duplex bearing with input shaft
Connection, gland is bolted with housing, and realizes axially position to bearing.
Preferably, described terminal pad is connected with engine, and transmits power to drive plate wheel hub, is driven plate wheel
Spline is connected between hub and input shaft, and transmits power to input shaft, and spline is connected between described input shaft and bevel gear I,
And output shaft II and output shaft III are transmitted power to by bevel gear II and the engagement of bevel gear III, described output shaft II is by power
Outwards output is to running gear, and output shaft III exports stand-by power.
Preferably, described bevel gear I transmits power to steel disc by spline, and described oil pocket is made by oil pressure
Plunger is enforced, plunger makes the steel disc in bevel gear I be combined with the friction plate in clutch outer member by compressing disk spring,
And power is transferred to by friction plate by frictional force, described friction plate transmits power to clutch outer member by spline engagement,
And power is exported to output shaft I by clutch outer member, and complete power input shaft and combined with the power between output shaft I, it is described
Output shaft I work system is outputted power to by power-take-off pulley.
Preferably, described disk spring is located between plunger and bevel gear I, and is positioned by baffle plate.
Preferably, described steel disc, friction plate are in normal released state, when oil pressure pressure reduces in oil pocket,
Plunger is separated away from steel disc and friction plate, steel disc and friction plate.
Preferably, described power-take-off pulley is connected with the flat key of output shaft I, and output shaft I is with being located at power
The bearing block of output shaft I inside output belt pulley is connected by duplex bearing, and is bolted fixation with housing.
Preferably, bevel gear II and the bearing block of output shaft II, described cone are installed on described output shaft II
Gear II is often engaged with bevel gear I, and is connected with the spline of output shaft II, transmit power, described bevel gear I, bevel gear II
Speed ratio is 1：1~1:1.5；The described bearing block of output shaft II is connected with output shaft II by duplex bearing, and is passed through with housing
Bolt connection is fixed.
Preferably, bevel gear III and the bearing block of output shaft III, described cone are installed on described output shaft III
Gear III is often engaged with bevel gear I, and is connected with the spline of output shaft III, transmits power, the described bearing block of output shaft III with it is defeated
Shaft III is connected by duplex bearing, and is bolted fixation with housing.
The beneficial effects of the utility model are：
The utility model provides a kind of PTO for agricultural machinery, and engine power need to only transmit dynamic
Power is divided into the output of three tunnels by PTO, is easy to the installation of engine, while being easy to power output by power to input shaft
The arrangement of system, compact conformation is simple and practical, and its advantage is in particular in：
（1）The utility model is provided with the three road power that can be exported simultaneously, respectively output shaft I, output shaft II and output shaft
III, output shaft I realizes workpiece power, by the exportable power of power-take-off pulley 11 to work system, carry out the ceding of Taiwan,
The work disposals such as threshing, peeling, output shaft II 8 can drive hydraulic pump, be easy to the input of vibration hydraulic system power, realize row
Walking power is exported, and output shaft III is reserved power output mouthful, can carry out the power output of other workpieces；
（2）The utility model outputs power to work system and realized by power control mechanism, and oil pocket 23 passes through
Oil pressure active force promotes plunger 16, and the compression of plunger 16 disk spring 17 makes steel disc 22 be combined with friction plate 18, and passes through frictional force
Power is transferred to friction plate 18, friction plate 18 transmits power to clutch outer member 15 by spline engagement, and passes through clutch
Shell 15 exports power to output shaft I 14, can improve the moment of torsion of transmission by increasing the quantity of friction plate 18 in this process；
（3）The utility model is provided with oil pocket 23 between the shell wall of plunger 16 and clutch outer member 15, and swivel joint 13 can
Hydraulic oil is delivered to oil pocket 23 by oil duct 12, hydraulic oil can be derived from closed system slippage pump, it is not necessary to additionally be further added by
Power source, it is simple and practical, while the utility model often engages power output makes one with exporting two parts by arrangement of clutch
Individual entirety, compact conformation is easily installed and distributed with power output.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Do not constitute to improper restriction of the present utility model.
Fig. 1 is the structural representation of the PTO for agricultural machinery；
Reference：1st, terminal pad, 2, drive plate wheel hub, 3, input shaft, 4, gland, 5, bevel gear I, 6, housing, 7, defeated
The bearing block of shaft II, 8, output shaft II, 9, bevel gear II, 10, the bearing block of output shaft I, 11, power-take-off pulley, 12, oil
Road, 13, swivel joint, 14, output shaft I, 15, clutch outer member, 16, plunger, 17, disk spring, 18, friction plate, 19, output
Axle III, 20, bevel gear III, 21, the bearing block of output shaft III, 22, steel disc, 23, oil pocket.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical scheme is clearly and completely described for the accompanying drawing of type, embodiment.This practicality is described in detail with reference to specific embodiment
New scheme：
As embodiment of the present utility model, as illustrated, a kind of PTO for agricultural machinery, including it is dynamic
Power input mechanism, power control mechanism and power take-off mechanism, described power input mechanism include terminal pad 1, transmission plate wheel
Hub 2, input shaft 3, described power control mechanism include clutch outer member 15, plunger 16, disk spring 17, steel disc 22, friction
Piece 18, oil pocket 23, described power take-off mechanism include bevel gear I 5, bevel gear II 9, bevel gear III 20, it is same with input shaft 3
Axle set output shaft I 14, be connected with output shaft I 14 power-take-off pulley 11, be symmetricly set on the both sides of input shaft 3 and with
Input shaft 3 vertical output shaft II 8 and output shaft III 19；
Described terminal pad 1 and drive plate wheel hub 2 is set in input shaft 3 and the close one end of engine, described cone tooth
Take turns I 5 other ends for being located at input shaft 3, and respectively with the bevel gear II 9 that is located on output shaft II 8 and being located on output shaft III 19
Bevel gear III 20 be meshed, described clutch outer member 15 is located on output shaft I 14 and the close one end of power input shaft 3,
Internal spline is provided with housing, friction plate 18 is arranged in the friction film trap of internal spline formation, is provided with outside described bevel gear I 5 outer
Spline, steel disc 22 is arranged in the steel disc groove of external splines formation, and friction plate 18, steel disc 22 are handed in friction film trap and steel disc groove
For installation, described plunger 16 is located in the housing of clutch outer member 15, and is set on the spindle nose of output shaft I 14, described post
Disk spring 17 is provided between plug 16 and bevel gear I 5, oil pocket 23, institute are formed between plunger 16 and the shell wall of clutch outer member 15
In the axial direction provided with the oil duct 12 being connected with oil pocket 23 in the output shaft I 14 stated, and by being connected to the axle tail of output shaft I 14
Hydraulic oil is delivered to oil pocket 23 by swivel joint 13；
Described terminal pad 1 is connected with engine, and drive plate wheel hub 2 is connected with terminal pad 1, engine by terminal pad 1,
The input power of drive plate wheel hub 2 is to input shaft 3, and input shaft 3 will by the power control mechanism installed in its end and bevel gear
Power is exported to output shaft I 14, output shaft II 8 and output shaft III 19 respectively.
Preferably, gland 4 and housing 6 are also equipped with described input shaft 3, housing 6 is with input shaft 3 by double
Bearing is connected, and gland 4 is bolted with housing 6, and realizes axially position to bearing.
Preferably, described terminal pad 1 is connected with engine, and transmits power to drive plate wheel hub 2, drive plate
Spline is connected between wheel hub 2 and input shaft 3, and transmits power to input shaft 3, flower between described input shaft 3 and bevel gear I 5
Key is connected, and transmits power to output shaft II 8 and output shaft III 19 by bevel gear II 9 and the engagement of bevel gear III 20, described
Output shaft II 8 outwards exports power to running gear, the output stand-by power of output shaft III 19.
Preferably, described bevel gear I 5 transmits power to steel disc 22 by spline, and described oil pocket 23 passes through
Oil pressure active force promotes plunger 16, and plunger 16 makes steel disc 22 and the clutch outer member in bevel gear I 5 by compressing disk spring 17
Friction plate 18 in 15 is combined, and power is transferred into friction plate 18 by frictional force, and described friction plate 18 is nibbled by spline
Conjunction transmits power to clutch outer member 15, and exports power to output shaft I 14 by clutch outer member 15, completes power input shaft
Power between 3 and output shaft I 14 is combined, and described output shaft I 14 outputs power to work by power-take-off pulley 11
Make system.
Preferably, described disk spring 17 is located between plunger 16 and bevel gear I 5, and is carried out by baffle plate
Positioning.
Preferably, described steel disc 22, friction plate 18 are in normal released state, when oil pressure pressure subtracts in oil pocket 23
Hour, plunger 16 is separated away from steel disc 22 and friction plate 18, steel disc 22 and friction plate 18.
Preferably, described power-take-off pulley 11 is connected with the flat key of output shaft I 14, output shaft I 14 and position
The bearing block 10 of output shaft I inside power-take-off pulley 11 is connected by duplex bearing, and is bolted admittedly with housing 6
It is fixed.
Preferably, bevel gear II 9 and the bearing block 7 of output shaft II are installed on described output shaft II 8, it is described
Bevel gear II 9 often engages with bevel gear I 5, and is connected with the spline of output shaft II 8, transmits power, described bevel gear I 5, cone tooth
The speed ratio for taking turns II 9 is 1：1~1:1.5；The described bearing block 7 of output shaft II is connected with output shaft II 8 by duplex bearing, and
Fixation is bolted with housing 6.
Preferably, bevel gear III 20 and the bearing block 21 of output shaft III, institute are installed on described output shaft III 19
The bevel gear III 20 stated often engages with bevel gear I 5, and is connected with the spline of output shaft III 19, transmits power, described output shaft III
Bearing block 21 is connected with output shaft III 19 by duplex bearing, and is bolted fixation with housing 6.
A kind of PTO for agricultural machinery described in the utility model, thirdly road power output process is such as
Under：
（1）Terminal pad 1 is connected with engine, and power is transmitted after engine start to drive plate wheel hub 2, drive plate wheel hub 2
Spline is connected between input shaft 3, and transmits power to input shaft 3, and spline is connected between input shaft 3 and bevel gear I 5, bores tooth
Take turns II 9, bevel gear III 20 often to engage with bevel gear I 5, bevel gear I 5, the speed ratio of bevel gear II 9 are 1：1~1:1.5, and point
It is not connected with output shaft II 8, the spline of output shaft III 19, transmits power to running gear, wherein output shaft III 19 can be as standby
Stand-by power delivery outlet；
（2）Bevel gear I 5 transmits power to steel disc 22 by spline simultaneously, and hydraulic oil is passed through oil duct 22 by swivel joint 13
It is delivered in oil pocket 23, increases oil pressure in oil pocket, and plunger 16 is promoted by oil pressure active force, plunger 16 recompresses dish-shaped bullet
Spring 17, makes the steel disc 22 in bevel gear I 5 be combined with the friction plate 18 in clutch outer member 15, and steel disc 22 will be dynamic by frictional force
Power is transferred to friction plate 18, and friction plate 18 transmits power to clutch outer member 15 by spline engagement again, and by clutch outside
Shell 15 exports power to output shaft I 14, and output shaft I 14 outputs power to work system by power-take-off pulley 11, entered
The work disposals such as the row ceding of Taiwan, threshing, peeling.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the utility model spirit and scope are not departed from
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model requirement
Protection domain defined by appended claims and its equivalent.
Claims (9)
1. a kind of PTO for agricultural machinery, including power input mechanism, power control mechanism and power output
Mechanism, it is characterised in that described power input mechanism includes terminal pad（1）, drive plate wheel hub（2）, input shaft（3）, it is described
Power control mechanism include clutch outer member（15）, plunger（16）, disk spring（17）, steel disc（22）, friction plate（18）, oil
Chamber（23）, described power take-off mechanism includes bevel gear I（5）, bevel gear II（9）, bevel gear III（20）With input shaft（3）
The output shaft I being coaxially disposed（14）And output shaft I（14）The power-take-off pulley of connection（11）, be symmetricly set on input shaft
（3）Both sides and and input shaft（3）Vertical output shaft II（8）With output shaft III（19）；
Described terminal pad（1）With drive plate wheel hub（2）It is set in input shaft（3）Close one end with engine, described cone
Gear I（5）It is located at input shaft（3）The other end, and respectively with being located at output shaft II（8）On bevel gear II（9）It is defeated with being located at
Shaft III（19）On bevel gear III（20）It is meshed, described clutch outer member（15）It is located at output shaft I（14）It is defeated with power
Enter axle（3）On close one end, internal spline, friction plate are provided with housing（18）In the friction film trap of internal spline formation,
Described bevel gear I（5）It is provided with external splines, steel disc outside（22）In the steel disc groove of external splines formation, and friction plate（18）、
Steel disc（22）Alternately installed in friction film trap and steel disc groove, described plunger（16）Positioned at clutch outer member（15）In housing,
And it is set in output shaft I（14）Spindle nose on, described plunger（16）With bevel gear I（5）Between be provided with disk spring（17）, post
Plug（16）With clutch outer member（15）Shell wall between form oil pocket（23）, described output shaft I（14）In set in the axial direction
Have and oil pocket（23）Connected oil duct（12）, and by being connected to output shaft I（14）The swivel joint of axle tail（13）By hydraulic oil
It is delivered to oil pocket（23）；
Described terminal pad（1）It is connected with engine, drive plate wheel hub（2）With terminal pad（1）Connection, engine passes through terminal pad
（1）, drive plate wheel hub（2）Input power is to input shaft（3）, input shaft（3）Pass through the power control mechanism installed in its end
Power is exported to output shaft I respectively with bevel gear（14）, output shaft II（8）With output shaft III（19）.
2. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described input
Axle（3）On be also equipped with gland（4）And housing（6）, housing（6）With input shaft（3）Connected by duplex bearing, gland（4）With shell
Body（6）It is bolted, and axially position is realized to bearing.
3. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described connection
Disk（1）It is connected with engine, and transmits power to drive plate wheel hub（2）, drive plate wheel hub（2）With input shaft（3）Between spline
Connection, and power is transmitted to input shaft（3）, described input shaft（3）With bevel gear I（5）Between spline connect, and by boring tooth
Wheel II（9）With bevel gear III（20）Engagement transmits power to output shaft II（8）With output shaft III（19）, described output shaft II
（8）Power is outwards exported to running gear, output shaft III（19）Export stand-by power.
4. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described cone tooth
Wheel I（5）Steel disc is transmitted power to by spline（22）, described oil pocket（23）Plunger is promoted by oil pressure active force（16）, post
Plug（16）By compressing disk spring（17）Make bevel gear I（5）In steel disc（22）With clutch outer member（15）In friction plate
（18）With reference to, and power is transferred to by friction plate by frictional force（18）, described friction plate（18）Transmitted by spline engagement
Power is to clutch outer member（15）, and pass through clutch outer member（15）Power is exported to output shaft I（14）, complete power input shaft
（3）With output shaft I（14）Between power combine, described output shaft I（14）Pass through power-take-off pulley（11）By power
Export to work system.
5. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described dish
Spring（17）Positioned at plunger（16）With bevel gear I（5）Between, and positioned by baffle plate.
6. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described steel disc
（22）, friction plate（18）In normal released state, work as oil pocket（23）When middle oil pressure pressure reduces, plunger（16）Away from steel disc（22）
And friction plate（18）, steel disc（22）And friction plate（18）Separation.
7. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described power
Export belt pulley（11）With output shaft I（14）Flat key is connected, output shaft I（14）With positioned at power-take-off pulley（11）Internal
The bearing block of output shaft I（10）Connected by duplex bearing, and and housing（6）It is bolted fixation.
8. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described output
Axle II（8）On bevel gear II is installed（9）With the bearing block of output shaft II（7）, described bevel gear II（9）With bevel gear I（5）Often
Engagement, and with output shaft II（8）Spline is connected, and transmits power, described bevel gear I（5）, bevel gear II（9）Speed ratio be
1：1~1:1.5；The described bearing block of output shaft II（7）With output shaft II（8）Connected by duplex bearing, and and housing（6）Pass through
Bolt connection is fixed.
9. a kind of PTO for agricultural machinery according to claim 1, it is characterised in that described output
Axle III（19）On bevel gear III is installed（20）With the bearing block of output shaft III（21）, described bevel gear III（20）With bevel gear I
（5）Often engagement, and with output shaft III（19）Spline is connected, and transmits power, the described bearing block of output shaft III（21）With output shaft
Ⅲ（19）Connected by duplex bearing, and and housing（6）It is bolted fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165856.3U CN206530666U (en) | 2017-02-23 | 2017-02-23 | A kind of PTO for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165856.3U CN206530666U (en) | 2017-02-23 | 2017-02-23 | A kind of PTO for agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530666U true CN206530666U (en) | 2017-09-29 |
Family
ID=59919946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165856.3U Expired - Fee Related CN206530666U (en) | 2017-02-23 | 2017-02-23 | A kind of PTO for agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206530666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606293A (en) * | 2021-08-11 | 2021-11-05 | 中国铁建重工集团股份有限公司 | Silage harvester and silage harvester header overload protection device |
-
2017
- 2017-02-23 CN CN201720165856.3U patent/CN206530666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606293A (en) * | 2021-08-11 | 2021-11-05 | 中国铁建重工集团股份有限公司 | Silage harvester and silage harvester header overload protection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |