CN106912213A - A kind of dry type friction plate PTO and its control method for agricultural machinery - Google Patents
A kind of dry type friction plate PTO and its control method for agricultural machinery Download PDFInfo
- Publication number
- CN106912213A CN106912213A CN201710099483.9A CN201710099483A CN106912213A CN 106912213 A CN106912213 A CN 106912213A CN 201710099483 A CN201710099483 A CN 201710099483A CN 106912213 A CN106912213 A CN 106912213A
- Authority
- CN
- China
- Prior art keywords
- bearing
- plate
- pressure
- film
- friction plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
- A01B71/06—Special adaptations of coupling means between power take-off and transmission shaft to the implement or machine
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B51/00—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus
- A01B51/02—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor
Abstract
The present invention provides a kind of dry type friction plate PTO and its control method for agricultural machinery, dry type friction plate PTO includes housing and output shaft, one end away from housing on output shaft is connected with belt pulley, be provided with housing gear ring, friction plate, pressure-bearing device, including plunger, oil cylinder seat, working chamber hold-down gear, including bearing plate and pressure plare pressure-bearing device be located between gear ring and output shaft；Bearing plate is provided with the pivot pin for being surrounded by back-moving spring, and friction plate is located between bearing plate and pressure plare；Control system output pressure is transferred to working chamber, forms thrust, and thrust produces plunger to move axially through bearing II thrust is passed into pressure plare, bearing plate, and friction plate engagement transmits power to output shaft, completes power output；The present invention forms thrust using dry type friction plate by fluid, and control system is controlled to power output, realizes combination and cut-out, the system reliability of equipment power, reduces system failure rate.
Description
Technical field
The invention belongs to agricultural mechanical field, and in particular to a kind of dry type friction plate PTO for agricultural machinery and
Its control method.
Background technology
With rural economy and the development of mechanization of agriculture, agricultural mechanical operation scope constantly expands, and is filled with power output
The agricultural machinery and implement for putting supporting operation are emerged in multitude, such as rotary cultivator, spraying machine, harvester, pneumatic seeder, kind of watermelon seed extractor and
Straw chopping and returning machine etc..The application of these equipments, not only alleviates the labour intensity of peasant, improves operation quality and synthesis
Benefit, and the utilization rate of agricultural machinery is also improved, increase machine hand income.But the equipment of agricultural machinery only has operationally
Power is just needed to be input into, then the power input of equipment needs PTO to be connected with engine, realizes equipment
The combination of power and cut-out.At present use PTO using mechanical structure realize, compaction pressure it cannot be guaranteed that, system
Fault rate is high.
The content of the invention
A kind of dry type friction plate power output dress for agricultural machinery is provided the invention aims to solve the above problems
Put and its control method, using dry type friction plate, thrust is formed by using fluid, control system is controlled to power output
System, system reliability realizes the combination and cut-out of equipment power well, reduces system failure rate.
The present invention can be achieved through the following technical solutions above-mentioned purpose：A kind of dry type friction plate power for agricultural machinery is defeated
Go out device, including housing and output shaft, one end of described housing is set on output shaft by bearing, on output shaft away from
One end of housing is connected with belt pulley, and gear ring, friction plate I, pressure-bearing device, hold-down gear are additionally provided with housing, described
Gear ring is ring gear and is connected with engine power output by connector that described pressure-bearing device is located at gear ring and output
Between axle, the side that hold-down gear is arranged on pressure-bearing device is used to export thrust；
Described pressure-bearing device includes bearing plate and pressure plare, and described bearing plate is connected by spline with output shaft, remote at its
Support flat board is provided with from the side of hold-down gear, described pressure plare passes through spline connection on bearing plate, on bearing plate also
Be provided with the pivot pin for being surrounded by back-moving spring, pivot pin is held out against in the plate face of pressure plare, friction plate I be arranged on bearing plate and pressure plare it
Between and be set on bearing plate, described friction plate I is made up of film I, the core plate I with the gear teeth, film II, and core plate I is located at
The centre of film I, film II, core plate I is meshed with the internal tooth of gear ring；Described hold-down gear by plunger, oil cylinder seat, plunger with
The working chamber formed between oil cylinder seat is constituted, and plunger is provided with hydraulic fluid port II, and hydraulic fluid port II is communicated with working chamber, outside control system
Exportable pressure fluid is simultaneously connected by flexible pipe with hydraulic fluid port II, and described pressure plare has a Step Shaft, is covered on the Step Shaft
Bearing II is provided with, the inner ring of bearing II is positioned by pressure plare, and the outer ring of bearing II is positioned by plunger, and oil cylinder seat is arranged on by bearing I
On bearing block, the bearing sleeve is located on output shaft, the straight pin that can be moved axially in company with plunger is provided with oil cylinder seat, in control
In the state of system output pressure processed is transferred in working chamber, plunger is produced and moves axially and transmitted thrust by bearing II
To in the plate face of pressure plare.
Further, friction plate II and middle platen are additionally provided between bearing plate and pressure plare, described middle platen is located at
Between friction plate I and friction plate II, described friction plate II is located between pressure plare and middle platen；Described friction plate II is by glue
Piece III, core plate II, film IV are constituted, and core plate II is located at film III, the centre of film IV, and core plate II is engaged with gear ring.
Further, described bearing plate is connected by screw with the bearing block of synchronous rotary, output shaft by flat key with
Belt pulley is connected.
Further, described gear ring, core plate I rotate in company with output shaft.
Further, described one end on output shaft away from housing is taper, is provided with oil duct, hydraulic fluid port III, and pass through
Bearing III is fixed in housing, is additionally provided with output bearing cap I and output bearing cap II for fixing seal bearing III, hydraulic fluid port III
It is connected with bearing III by oil duct.
A kind of control method of dry type friction plate PTO for agricultural machinery, comprises the following steps：
The housing of dry type friction plate PTO is connected with motor body, be provided with housing gear ring, friction plate I,
Pressure-bearing device, hold-down gear, output shaft, when power binding signal sends, control system detects engine speed and reaches work
When making rotating speed, operating pressure and reaching control pressure, by connector to gear ring, gear ring is ring gear, position for engine power output
Between bearing plate and pressure plare and the friction plate I that is set on bearing plate includes film I, the core plate I, film with the gear teeth
II, gear ring sends power to the core plate I for engaging, and core plate I is in impaction state with the film II of film I, and core plate I is by rubbing
Bearing plate and pressure plare that power transmits power to film I, film II, pressure-bearing device are wiped, pressure plare passes through spline by power concentration
To bearing plate, the pivot pin of back-moving spring that is surrounded by bearing plate is held out against in the plate face of pressure plare, and pressure plare passes through spline
It is connected on the axle sleeve of bearing plate, hold-down gear is made up of the working chamber formed between plunger, oil cylinder seat, plunger and oil cylinder seat,
Oil cylinder seat is arranged on bearing block by bearing I, and the bearing sleeve is located on output shaft, and being provided with oil cylinder seat can be in company with plunger
The straight pin of axial movement, plunger is produced and moves axially and passed in the plate face of pressure plare thrust by bearing II；Outward
Output pressure is simultaneously transferred to working chamber by the exportable pressure fluid of control system in portion by flexible pipe by the hydraulic fluid port II on plunger,
Thrust is formed, thrust promotes plunger axial movement, and the outer ring of bearing II being arranged on the Step Shaft of pressure plare is determined by plunger
Position, the inner ring of bearing II is positioned by pressure plare, and plunger promotes bearing II to move axially therewith, makes pressure plare compression reseting spring, so
Pressing friction piece I, bearing plate afterwards, bearing plate transmits power to output shaft by spline, and output shaft transmits power to belt pulley, complete
Into power output；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one in working speed
When the situation of kind occurs, working chamber is connected low-pressure fluid by control system by hydraulic fluid port II, and under the action of the spring, pressure plare is returned
Position, return is promoted by bearing II by plunger, and straight pin is moved axially in company with plunger so that the fluid in working chamber is by oil
Mouth II is flowed out, and now pressure plare, bearing plate are separated in the axial direction with friction plate I, core plate I is separated with film I and film II, tooth
Circle dallies with core plate I, completes power cut.
Further, friction plate II and middle platen are additionally provided between bearing plate and pressure plare, described middle platen is located at
Between friction plate I and friction plate II, described friction plate II is located between pressure plare and middle platen；Described friction plate II is by glue
Piece III, core plate II, film IV are constituted, and core plate II is located at film III, the centre of film IV, and core plate II is engaged with gear ring.
Further, when power binding signal sends, control system detects engine speed and reaches working speed, work
When reaching control pressure as pressure, gear ring sends power to the core plate I and core plate II for engaging, core plate I and the film of film I
II is in impaction state, and core plate II is in impaction state with film III, film IV, and core plate I, core plate II transmit dynamic by frictional force
Power to film I, film II, film III, film IV and its pressure-bearing device bearing plate and pressure plare, pressure plare, middle platen pass through
Spline is by power concentration to bearing plate；Send when power cut signal, operating pressure is less than less than control pressure, engine speed
When any one situation in working speed occurs, working chamber is connected low-pressure fluid by control system by hydraulic fluid port II, in spring
In the presence of, plunger is promoted return by pressure plare return by bearing II, and straight pin is moved axially in company with plunger so that work
Fluid in chamber is flowed out by hydraulic fluid port II, and now pressure plare, bearing plate are separated in the axial direction with friction plate I, friction plate II, core plate
I separates with film I and film II, while core plate II is separated with rubber III, rubber IV, gear ring dallies with core plate I, core plate II, i.e.,
Complete power cut.
The invention has the advantages that：
1. friction plate of the invention I, friction plate II are dry type friction plate, and easy for installation, transmitting torque is big；
2. the present invention is passed output pressure by the hydraulic fluid port II on plunger using the exportable pressure oil of control system and by flexible pipe
Working chamber is handed to, it is to form thrust using fluid to form thrust, and then thrust promotes plunger axial movement, and plunger is promoted
The outer ring of bearing II, the inner ring of bearing II promotes pressure plare, and pressure plare will be dynamic with middle platen by power concentration to bearing plate or pressure plare
Power is concentrated to bearing plate, and bearing plate transmits power to output shaft, and output shaft transmits power to belt pulley, realizes that power is combined；Rub
Pad does not influence compaction pressure when wearing and tearing, it is ensured that power combines reliable；It is connected by the control system of exportable pressure fluid, is protected
Card thrust reliability, friction plate compresses reliable, reduction fault rate with pressure-bearing device；
3. the present invention is lubricated to bearing II, bearing III respectively by hydraulic fluid port I, hydraulic fluid port III, and reasonably oil circuit control, bearing
Lubrication is also convenient for；Agricultural machinery and implement power taking can be made more to facilitate using the present invention, the transmission between PTO and agricultural machinery and implement is put down
Surely, reliable operation, transmission efficiency both can be used for various agricultural machinery and implement, make PTO improve machine coordination than can
Energy property is greatly increased.
Brief description of the drawings
Fig. 1 is the structural representation of the dry type friction plate PTO that the embodiment of the present invention 1 is used for agricultural machinery；
Fig. 2 is structural representation of the present invention for the dry type friction plate PTO gear ring of agricultural machinery；
Fig. 3 is structural representation of the present invention for the dry type friction plate PTO core plate I of agricultural machinery；
Fig. 4 is structural representation of the present invention for the dry type friction plate PTO plunger of agricultural machinery；
Marked in figure：1- housings, 2- gear rings, 3- bearing plates, platen in 4-, 5- output shafts, 6- nuts, 7- pivot pins, 8- resets
Spring, 9- films I, 10- core plates I, 11- films II, 12- pressure plares, 13- hydraulic fluid ports I, 14- hydraulic fluid ports II, 15- working chambers, 16- circles
Pin, 17- bearings I, 18- belt pulleys, 19- oil ducts, 20- hydraulic fluid ports III, 21- output bearing caps I, 22- bearings III, 23- output shafts
Hold lid II, 24- bearing blocks, 25- oil cylinder seats, 26- plungers, 27- bearings II, 28- films III, 29- core plates II, 30- films IV.
Specific embodiment
A kind of dry type friction plate PTO for agricultural machinery, including housing 1 and output shaft 5, described housing 1
One end is set on output shaft 5 by bearing, and the one end away from housing 1 on output shaft is connected with belt pulley 18, positioned at housing
Gear ring 2, friction plate I, pressure-bearing device, hold-down gear are inside additionally provided with, described gear ring 2 is ring gear and passes through connector and start
Mechanomotive force output end is connected, and described pressure-bearing device is located between gear ring 2 and output shaft 5, and hold-down gear is arranged on pressure-bearing dress
The side put is used to export thrust；
Described pressure-bearing device includes bearing plate 3 and pressure plare 12, and described bearing plate 3 is connected by spline with output shaft 5,
It is provided with support flat board away from the side of hold-down gear, and described pressure plare 12 passes through spline connection on bearing plate 3, in pressure-bearing
The pivot pin 7 for being surrounded by back-moving spring 8 is additionally provided with plate 3, pivot pin 7 is held out against in the plate face of pressure plare 12, and friction plate I is arranged on pressure-bearing
Between plate 3 and pressure plare 12 and it is set on bearing plate 3, described friction plate I is by film I 9, the core plate I 10, glue with the gear teeth
Piece II 11 is constituted, and core plate I 10 is located at film I 9, the centre of film II 11, and core plate I 10 is meshed with the internal tooth of gear ring 2；Described
Hold-down gear is made up of the working chamber 15 formed between plunger 26, oil cylinder seat 25, plunger 26 and oil cylinder seat 25, and plunger 26 is provided with
Hydraulic fluid port II 14, hydraulic fluid port II 14 is communicated with working chamber 15, and the exportable pressure fluid of control system of outside simultaneously passes through flexible pipe and hydraulic fluid port
II 14 connections, described pressure plare 12 has a Step Shaft, is arranged with bearing II 27 on the Step Shaft, the inner ring of bearing II 27 by
Pressure plare 12 is positioned, and the outer ring of bearing II 27 is positioned by plunger 26, and oil cylinder seat 25 is arranged on bearing block 24 by bearing I 17, should
Bearing block 24 is set on output shaft 5, the straight pin 16 that can be moved axially in company with plunger 26 is provided with oil cylinder seat 25, in control
In the state of system output pressure is transferred in working chamber 15, plunger 26 is produced and moved axially and by bearing II 27 by thrust
Pass in the plate face of pressure plare 12.
Further, friction plate II and middle platen 4, described middle platen 4 are additionally provided between bearing plate 3 and pressure plare 12
Between friction plate I and friction plate II, described friction plate II is located between pressure plare 12 and middle platen 4；Described friction
Piece II is made up of film III 28, core plate II 29, film IV 30, and core plate II 29 is located at film III 28, the centre of film IV 30, core plate
II 29 engage with gear ring 2.
Further, described bearing plate 3 is connected by screw with the bearing block 24 of synchronous rotary, and output shaft 5 is by flat
Key is connected with belt pulley 18.
Further, described oil cylinder seat 25, plunger 26 is not rotated in company with output shaft 5.
Further, described one end on output shaft away from housing 1 is taper, is provided with oil duct 19, hydraulic fluid port III 20, and
It is fixed in housing 1 by bearing III 22, is additionally provided with the output bearing cap I 21 and output bearing for fixing seal bearing III 22
Lid II 23, hydraulic fluid port III 20 is connected by oil duct 19 with bearing III 22.
A kind of control method of dry type friction plate PTO for agricultural machinery, comprises the following steps：
The housing 1 of dry type friction plate PTO is connected with motor body 1, and gear ring 2, friction are provided with housing 1
Piece I, pressure-bearing device, hold-down gear, output shaft 5, when power binding signal sends, control system detects engine speed and reaches
When reaching control pressure to working speed, operating pressure, by connector to gear ring 2, gear ring 2 is internal tooth for engine power output
Circle, between bearing plate 3 and pressure plare 12 and the friction plate I that is set on bearing plate 3 includes film I 9, the core with the gear teeth
Plate I 10, film II 11, gear ring 2 send power to the core plate I 10 for engaging, and core plate I 10 is in the film II 11 of film I 9
Impaction state, core plate I 10 transmits power to the bearing plate 3 and pressure plare of film I 9, film II 11, pressure-bearing device by frictional force
12, by spline by power concentration to bearing plate, the pivot pin 7 for being surrounded by back-moving spring 8 on bearing plate 3 holds out against pressure plare
In the plate face of pressure plare 12, by spline connection on the axle sleeve of bearing plate 3, hold-down gear is by plunger 26, oil cylinder for pressure plare 12
Seat 25, the working chamber 15 formed between plunger 26 and oil cylinder seat 25 are constituted, and oil cylinder seat 25 is arranged on bearing block 24 by bearing I 17
On, the bearing block 24 is set on output shaft 5, and oil cylinder seat 25 is provided with the straight pin 16 that can be moved axially in company with plunger 26, post
Plug 26 is produced and moves axially and passed in the plate face of pressure plare 12 thrust by bearing II 27；Outside control system can
Output pressure is simultaneously transferred to working chamber 15 by output pressure fluid by flexible pipe by the hydraulic fluid port II 14 on plunger 26, is formed and compressed
Power, thrust promotes plunger 26 to move axially, and the outer ring of bearing II 27 being arranged on the Step Shaft of pressure plare 12 is determined by plunger 26
Position, the inner ring of bearing II 27 is positioned by pressure plare 12, and plunger 26 promotes bearing II 27 to move axially therewith, compresses pressure plare 12 multiple
Position spring 8, then pressing friction piece I, bearing plate 3, bearing plate 3 transmits power to output shaft 5 by spline, and output shaft 5 is transmitted
Power completes power output to belt pulley；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one in working speed
When the situation of kind occurs, working chamber 15 is connected low-pressure fluid, under the action of the spring, pressure plare by control system by hydraulic fluid port II 14
12 returns, return is promoted by bearing II 27 by plunger 26, and straight pin 16 is moved axially in company with plunger 26 so that working chamber 15
In fluid by hydraulic fluid port II 14 flow out, now pressure plare 12, bearing plate 3 are separated in the axial direction with friction plate I, make core plate I 10
Opened with II 11 points of film I 9 and film, gear ring 2 dallies with core plate I 10, complete power cut.
Further, friction plate II and middle platen 4, described middle platen 4 are additionally provided between bearing plate 3 and pressure plare 12
Between friction plate I and friction plate II, described friction plate II is located between pressure plare 12 and middle platen 4；Described friction
Piece II is made up of film III 28, core plate II 29, film IV 30, and core plate II 29 is located at film III 28, the centre of film IV 30, core plate
II 29 engage with gear ring 2.
Further, when power binding signal sends, control system detects engine speed and reaches working speed, work
When reaching control pressure as pressure, gear ring 2 sends power to the core plate I 10 and core plate II 29 for engaging, core plate I 10 and glue
The film II 11 of piece I 9 is in impaction state, and core plate II 29 is in impaction state, core plate I 10, core plate with film III 28, film IV 30
II 29 bearing plates that film I 9, film II 11, film III 28, film IV 30 and its pressure-bearing device are transmitted power to by frictional force
3 and pressure plare 12, pressure plare, middle platen are by spline by power concentration to bearing plate；Send when power cut signal, work pressure
When power occurs less than control pressure, engine speed less than any one situation in working speed, control system is by working chamber
15 connect low-pressure fluid by hydraulic fluid port II 14, and under the action of the spring, the return of pressure plare 12 is pushed away plunger 26 by bearing II 27
Dynamic return, straight pin 16 is moved axially in company with plunger 26 so that fluid in working chamber 15 is by the outflow of hydraulic fluid port II 14, now
Pressure plare 12, bearing plate 3 are separated in the axial direction with friction plate I, friction plate II, and core plate I 10 is opened with II 11 points of film I 9 and film,
Core plate II 29 and rubber III, rubber IV are separated simultaneously, and gear ring 2 dallies with core plate I 10, core plate II 29, that is, complete power cut.
The described pivot pin for being surrounded by back-moving spring, pivot pin one end is exposed to outside bearing plate, and the other end is held out against in pressure plare
In plate face, and be installed in the plate face, whole pivot pin in bearing plate, friction plate I or bearing plate, friction plate I, middle platen and
Run through in friction plate II, spring is set on pivot pin, one end holds out against bearing plate, other end stretch pressure plate, shuttle in bearing plate,
In friction plate I；Described spring refers to back-moving spring；Described friction plate I, friction plate II are dry type friction plate；Described
Control system can be the system of oil pump or controllable output pressure or fluid pump, known to the professional person of the field.
With reference to specific embodiment, the present invention is further elaborated：
Embodiment 1
A kind of dry type friction plate PTO for agricultural machinery, including housing 1 and output shaft 5, one end of housing 1 pass through axle
Bearing sleeve is located on output shaft 5, and the one end away from housing 1 on output shaft is connected by flat key with belt pulley 18, in housing
It is additionally provided with gear ring 2, friction plate I, pressure-bearing device, hold-down gear, gear ring 2 is ring gear and to pass through connector defeated with engine power
Go out end to be connected；Pressure-bearing device is located between gear ring 2 and output shaft 5, and hold-down gear is arranged on the side of pressure-bearing device for defeated
Go out thrust；Pressure-bearing device includes bearing plate 3 and pressure plare 12, and bearing plate 3 is connected by spline with output shaft 5, its away from
The side of hold-down gear is provided with support flat board, and pressure plare 12 on bearing plate 3, is additionally provided with by spline connection on bearing plate 3
The pivot pin 7 of back-moving spring 8 is surrounded by, pivot pin 7 is held out against in the plate face of pressure plare 12, and friction plate I is arranged on bearing plate 3 and pressure plare
Between 12 and it is set on bearing plate 3, friction plate II and middle platen 4, middle platen is additionally provided between bearing plate 3 and pressure plare 12
4 are located between friction plate I and friction plate II, and friction plate II is located between pressure plare 12 and middle platen 4 and is set in bearing plate 3
On；Bearing plate 3 is connected by screw with the bearing block 24 of synchronous rotary, and nut 6 plays the role of fastening to it；Friction plate I is by film I
9th, the core plate I 10 with the gear teeth, film II 11 constitute, core plate I 10 be located at film I 9, the centre of film II 11, friction plate II by
Film III 28, core plate II 29, film IV 30 constitute, core plate II 29 be located at film III 28, the centre of film IV 30, core plate II 29,
Core plate I 10 is meshed with the internal tooth of gear ring 2；Hold-down gear is formed by between plunger 26, oil cylinder seat 25, plunger 26 and oil cylinder seat 25
Working chamber 15 constitute, oil cylinder seat 25, plunger 26 are not rotated in company with output shaft 5, and plunger 26 is provided with hydraulic fluid port I 13 and hydraulic fluid port II
14, hydraulic fluid port II 14 is communicated with working chamber 15, and the exportable pressure fluid of control system of outside is simultaneously connected by flexible pipe with hydraulic fluid port II 14
Connect, pressure plare 12 has a Step Shaft, and bearing II 27 is arranged with the Step Shaft, and the inner ring of bearing II 27 is determined by pressure plare 12
Position, the outer ring of bearing II 27 is positioned by plunger 26, and hydraulic fluid port I is lubricated to bearing II.Oil cylinder seat 25 is arranged on axle by bearing I 17
In bearing 24, the bearing block 24 is set on output shaft 5, and the cylinder that can be moved axially in company with plunger 26 is provided with oil cylinder seat 25
Pin 16, in the state of control system output pressure is transferred in working chamber 15, plunger 26 is produced and moved axially and by bearing
In II 27 plate faces that thrust is passed to pressure plare 12, the one end away from housing 1 on output shaft is taper, is provided with oil duct
19th, hydraulic fluid port III 20, and be fixed in housing 1 by bearing III 22, it is additionally provided with the output bearing for fixing seal bearing III 22
Lid I 21 and output bearing cap II 23, hydraulic fluid port III 20 are installed grease nipple bearing III 22 is lubricated by oil ducts 19.
When power binding signal sends, control system detects engine speed and reaches working speed, operating pressure and reaches
During to control pressure, by connector to gear ring 2, gear ring 2 sends power to the core plate I for engaging for engine power output
10 and core plate II 29, core plate I 10 is in impaction state, core plate II 29 and film III 28, film IV 30 with the film II 11 of film I 9
Be also at impaction state, core plate I 10, core plate II 29 by frictional force transmit power to film I 9, film II 11, film III 28,
Film IV 30 and bearing plate 3 and pressure plare 12, pressure plare, middle platen pass through spline by power concentration to bearing plate；Outside control
Output pressure is simultaneously transferred to working chamber 15 by the exportable pressure fluid of system processed by flexible pipe by the hydraulic fluid port II 14 on plunger 26,
Thrust is formed, thrust promotes plunger 26 to move axially, and the outer ring of bearing II 27 is positioned by plunger 26, and the inner ring of bearing II 27 is by pressing
Power plate 12 is positioned, and plunger 26 promotes bearing II 27 to move axially therewith, makes the compression reseting spring 8 of pressure plare 12, is then compressed and is rubbed
Pad II, friction plate I, bearing plate 3, bearing plate 3 are connected by spline with output shaft 5, are set away from the side of hold-down gear at it
There is support flat board, make it that power preferably are transferred into output shaft 5, output shaft 5 transmits power to belt pulley 18, completes power defeated
Go out；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one in working speed
When the situation of kind occurs, working chamber 15 is connected low-pressure fluid, under the action of the spring, pressure plare by control system by hydraulic fluid port II 14
12 returns, return is promoted by bearing II 27 by plunger 26, and straight pin 16 is moved axially in company with plunger 26 so that working chamber 15
In fluid by hydraulic fluid port II 14 flow out, now pressure plare 12, bearing plate 3 are separated in the axial direction with friction plate I, friction plate II,
Core plate I 10 is opened with II 11 points of film I 9 and film, while core plate II 29 is separated with rubber III, rubber IV, gear ring 2 and core plate I 10,
Core plate II 29 dallies, that is, complete power cut.
Embodiment 2
A kind of dry type friction plate PTO for agricultural machinery, including housing 1 and output shaft 5, one end of housing 1 pass through axle
Bearing sleeve is located on output shaft 5, and the one end away from housing 1 on output shaft is connected by flat key with belt pulley 18, in housing
It is additionally provided with gear ring 2, friction plate I, pressure-bearing device, hold-down gear, gear ring 2 is ring gear and to pass through connector defeated with engine power
Go out end to be connected, pressure-bearing device is located between gear ring 2 and output shaft 5, hold-down gear is arranged on the side of pressure-bearing device for defeated
Go out thrust；Pressure-bearing device includes bearing plate 3 and pressure plare 12, and bearing plate 3 is connected by spline with output shaft 5, its away from
The side of hold-down gear is provided with support flat board, and pressure plare 12 on bearing plate 3, is additionally provided with by spline connection on bearing plate 3
The pivot pin 7 of back-moving spring 8 is surrounded by, pivot pin 7 is held out against in the plate face of pressure plare 12, and friction plate I is arranged on bearing plate 3 and pressure plare
Between 12 and it is set on bearing plate 3, bearing plate 3 is connected by screw with the bearing block 24 of synchronous rotary, and friction plate I is by film
I 9, the core plate I 10 with the gear teeth, film II 11 are constituted, and core plate I 10 is located at film I 9, the centre of film II 11, core plate I and tooth
The internal tooth of circle 2 is meshed；Hold-down gear is by the working chamber 15 that is formed between plunger 26, oil cylinder seat 25, plunger 26 and oil cylinder seat 25
Constitute, oil cylinder seat 25, plunger 26 are not rotated in company with output shaft 5, and plunger 26 is provided with hydraulic fluid port I 13 and hydraulic fluid port II 14, hydraulic fluid port II 14
Communicated with working chamber 15, the exportable pressure fluid of control system of outside is simultaneously connected, pressure plare 12 by flexible pipe with hydraulic fluid port II 14
With a Step Shaft, bearing II 27 is arranged with the Step Shaft, the inner ring of bearing II 27 is positioned by pressure plare 12, outside bearing II 27
Circle is positioned by plunger 26, and I 13 pairs of bearings II of hydraulic fluid port are lubricated, and oil cylinder seat 25 is arranged on bearing block 24 by bearing I 17, should
Bearing block 24 is set on output shaft 5, the straight pin 16 that can be moved axially in company with plunger 26 is provided with oil cylinder seat 25, in control
In the state of system output pressure is transferred in working chamber 15, plunger 26 is produced and moved axially and by bearing II 27 by thrust
Pass in the plate face of pressure plare 12, the one end away from housing 1 on output shaft is taper, is provided with oil duct 19, hydraulic fluid port III 20, and
It is fixed in housing 1 by bearing III 22, is additionally provided with the output bearing cap I 21 and output bearing for fixing seal bearing III 22
Lid II 23, hydraulic fluid port III 20 is installed grease nipple bearing III 22 is lubricated by oil duct 19.
When power binding signal sends, control system detects engine speed and reaches working speed, operating pressure and reaches
During to control pressure, by connector to gear ring 2, gear ring 2 sends power to core plate I 10, core plate I 10 for engine power output
Impaction state is in the film II 11 of film I 9, core plate I 10 transmits power to film I 9, film II 11, pressure-bearing by frictional force
Plate 3 and pressure plare 12, by spline by power concentration to bearing plate, the exportable pressure oil of control system of outside simultaneously leads to pressure plare
Cross flexible pipe and output pressure is transferred to working chamber 15 by the hydraulic fluid port II 14 on plunger 26, form thrust, thrust promotes post
Plug 26 is moved axially, and the outer ring of bearing II 27 is positioned by plunger 26, and the inner ring of bearing II 27 is positioned by pressure plare 12, and plunger 26 is pushed away therewith
Dynamic bearing II 27 is moved axially, and makes the compression reseting spring 8 of pressure plare 12, then pressing friction piece I, bearing plate 3, and bearing plate 3 leads to
Cross spline and transmit power to output shaft 5, output shaft 5 transmits power to belt pulley 18, completes power output；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one in working speed
When the situation of kind occurs, working chamber 15 is connected low-pressure fluid, under the action of the spring, pressure plare by control system by hydraulic fluid port II 14
12 returns, return is promoted by bearing II 27 by plunger 26, and straight pin 16 is moved axially in company with plunger 26 so that working chamber 15
In fluid by hydraulic fluid port II 14 flow out, now pressure plare 12, bearing plate 3 are separated in the axial direction with friction plate I, make core plate I 10
Opened with II 11 points of film I 9 and film, gear ring 2 dallies with core plate I 10, complete power cut.
Claims (8)
1. a kind of dry type friction plate PTO for agricultural machinery, including housing（1）And output shaft（5）, described housing
（1）One end output shaft is set in by bearing（5）On, away from housing on output shaft（1）One end be connected with belt pulley
（18）, it is characterised in that gear ring is additionally provided with housing（2）, friction plate I, pressure-bearing device, hold-down gear, described gear ring
（2）It is connected with engine power output for ring gear and by connector, described pressure-bearing device is located at gear ring（2）With it is defeated
Shaft（5）Between, the side that hold-down gear is arranged on pressure-bearing device is used to export thrust；
Described pressure-bearing device includes bearing plate（3）And pressure plare（12）, described bearing plate（3）By spline and output shaft
（5）Connection, support flat board, described pressure plare are provided with it away from the side of hold-down gear（12）By spline connection in pressure-bearing
Plate（3）On, in bearing plate（3）On be additionally provided with and be surrounded by back-moving spring（8）Pivot pin（7）, pivot pin（7）Hold out against in pressure plare（12）'s
In plate face, friction plate I is arranged on bearing plate（3）And pressure plare（12）Between and be set in bearing plate（3）On, described friction plate
I by film I（9）, the core plate I with the gear teeth（10）, film II（11）Constitute, core plate I（10）Positioned at film I（9）, film II
（11）Centre, core plate I（10）With gear ring（2）Internal tooth be meshed；Described hold-down gear is by plunger（26）, oil cylinder seat
（25）, plunger（26）With oil cylinder seat（25）Between formed working chamber（15）Constitute, plunger（26）It is provided with hydraulic fluid port II（14）, oil
Mouth II（14）With working chamber（15）Communicate, the exportable pressure fluid of control system of outside simultaneously passes through flexible pipe and hydraulic fluid port II（14）Even
Connect, described pressure plare（12）With a Step Shaft, bearing II is arranged with the Step Shaft（27）, bearing II（27）Inner ring by
Pressure plare（12）Positioning, bearing II（27）Outer ring is by plunger（26）Positioning, oil cylinder seat（25）By bearing I（17）Installed in bearing
Seat（24）On, the bearing block（24）It is set in output shaft（5）On, oil cylinder seat（25）On be provided with can be in company with plunger（26）Axially move
Dynamic straight pin（16）, working chamber is transferred in control system output pressure（15）In the state of interior, plunger（26）Produce axially
Move through bearing II（27）Thrust is passed into pressure plare（12）Plate face on.
2. a kind of dry type friction plate PTO for agricultural machinery according to claim 1, it is characterised in that holding
Pressing plate（3）And pressure plare（12）Between be additionally provided with friction plate II and middle platen（4）, described middle platen（4）Positioned at the He of friction plate I
Between friction plate II, described friction plate II is located at pressure plare（12）With middle platen（4）Between；Described friction plate II is by film
Ⅲ（28）, core plate II（29）, film IV（30）Constitute, core plate II（29）Positioned at film III（28）, film IV（30）Centre, core
Plate II（29）With gear ring（2）Engagement.
3. a kind of dry type friction plate PTO for agricultural machinery according to claim 1, it is characterised in that described
Bearing plate（3）By screw and the bearing block of synchronous rotary（24）Connection, output shaft（5）By flat key and belt pulley（18）Even
Connect.
4. a kind of dry type friction plate PTO for agricultural machinery according to claim 1, it is characterised in that described
Oil cylinder seat（25）, plunger（26）Not in company with output shaft（5）Rotate.
5. a kind of dry type friction plate PTO for agricultural machinery according to claim 1, it is characterised in that described
On output shaft away from housing（1）One end be taper, be provided with oil duct（19）, hydraulic fluid port III（20）, and by bearing III（22）
It is fixed on housing（1）It is interior, it is additionally provided with for fixing seal bearing III（22）Output bearing cap I（21）With output bearing cap II
（23）, hydraulic fluid port III（20）By oil duct（19）With bearing III（22）It is connected.
6. the control method of a kind of dry type friction plate PTO for agricultural machinery according to claim 1, it is special
Levy and be, comprise the following steps：
The housing of dry type friction plate PTO（1）With motor body（1）It is connected, housing（1）Inside it is provided with gear ring
（2）, friction plate I, pressure-bearing device, hold-down gear, output shaft（5）, when power binding signal sends, control system detects hair
When motivation rotating speed reaches working speed, operating pressure and reaches control pressure, engine power output is by connector to gear ring
（2）, gear ring（2）It is ring gear, positioned at bearing plate（3）And pressure plare（12）Between and be set in bearing plate（3）On friction plate I
Including film I（9）, the core plate I with the gear teeth（10）, film II（11）, gear ring（2）Send power to the core plate for engaging
Ⅰ（10）, core plate I（10）With film I（9）Film II（11）In impaction state, core plate I（10）Transmitted power to by frictional force
Film I（9）, film II（11）, pressure-bearing device bearing plate（3）And pressure plare（12）, pressure plare is by spline by power concentration
To bearing plate, positioned at bearing plate（3）On be surrounded by back-moving spring（8）Pivot pin（7）Hold out against in pressure plare（12）Plate face on, pressure
Power plate（12）By spline connection in bearing plate（3）Axle sleeve on, hold-down gear is by plunger（26）, oil cylinder seat（25）, plunger
（26）With oil cylinder seat（25）Between formed working chamber（15）Constitute, oil cylinder seat（25）By bearing I（17）Installed in bearing block
（24）On, the bearing block（24）It is set in output shaft（5）On, oil cylinder seat（25）On be provided with can be in company with plunger（26）Axial movement
Straight pin（16）, plunger（26）Generation is moved axially and by bearing II（27）Thrust is passed into pressure plare（12）Plate
On face；Output pressure is simultaneously passed through plunger by the exportable pressure fluid of control system of outside by flexible pipe（26）On hydraulic fluid port II
（14）It is transferred to working chamber（15）, thrust is formed, thrust promotes plunger（26）Axial movement, in pressure plare（12）Step
The bearing II being arranged on axle（27）Outer ring is by plunger（26）Positioning, bearing II（27）Inner ring is by pressure plare（12）Position, therewith post
Plug（26）Promote bearing II（27）Axial movement, makes pressure plare（12）Compression reseting spring（8）, then pressing friction piece I, pressure-bearing
Plate（3）, bearing plate（3）Output shaft is transmitted power to by spline（5）, output shaft（5）Belt pulley is transmitted power to, power is completed
Output；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one in working speed
When kind of situation occurs, control system is by working chamber（15）By hydraulic fluid port II（14）Low-pressure fluid is connected, under the action of the spring, pressure
Power plate（12）Return, by bearing II（27）By plunger（26）Promote return, straight pin（16）In company with plunger（26）Axial movement
So that working chamber（15）In fluid pass through hydraulic fluid port II（14）Flow out, now pressure plare（12）, bearing plate（3）With friction plate I
Separate in the axial direction, make core plate I（10）With film I（9）With film II（11）Separate, gear ring（2）With core plate I（10）Idle running, it is complete
Into power cut.
7. the control method of a kind of dry type friction plate PTO for agricultural machinery according to claim 6, it is special
Levy and be, in bearing plate（3）And pressure plare（12）Between be additionally provided with friction plate II and middle platen（4）, described middle platen（4）Position
Between friction plate I and friction plate II, described friction plate II is located at pressure plare（12）With middle platen（4）Between；Described rubs
Pad II is by film III（28）, core plate II（29）, film IV（30）Constitute, core plate II（29）Positioned at film III（28）, film IV
（30）Centre, core plate II（29）With gear ring（2）Engagement.
8. the control method of a kind of dry type friction plate PTO for agricultural machinery according to claim 7, it is special
Levy and be, when power binding signal sends, control system detects engine speed and reaches working speed, operating pressure and reaches
During control pressure, gear ring（2）Send power to the core plate I for engaging（10）With core plate II（29）, core plate I（10）With film
Ⅰ（9）Film II（11）In impaction state, core plate II（29）With film III（28）, film IV（30）In impaction state, core plate
Ⅰ（10）, core plate II（29）Film I is transmitted power to by frictional force（9）, film II（11）, film III（28）, film IV（30）
And its bearing plate of pressure-bearing device（3）And pressure plare（12）, pressure plare, middle platen pass through spline by power concentration to bearing plate；
Send when power cut signal, operating pressure less than control pressure, engine speed less than any one feelings in working speed
When condition occurs, control system is by working chamber（15）By hydraulic fluid port II（14）Connect low-pressure fluid, under the action of the spring, pressure plare
（12）Return, by bearing II（27）By plunger（26）Promote return, straight pin（16）In company with plunger（26）Axial movement so as to
Make working chamber（15）In fluid pass through hydraulic fluid port II（14）Flow out, now pressure plare（12）, bearing plate（3）With friction plate I, friction
Piece II is separated in the axial direction, core plate I（10）With film I（9）With film II（11）Separate, while core plate II（29）With rubber III,
Rubber IV is separated, gear ring（2）With core plate I（10）, core plate II（29）Idle running, that is, complete power cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099483.9A CN106912213B (en) | 2017-02-23 | 2017-02-23 | A kind of dry friction piece power output device and its control method for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099483.9A CN106912213B (en) | 2017-02-23 | 2017-02-23 | A kind of dry friction piece power output device and its control method for agricultural machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106912213A true CN106912213A (en) | 2017-07-04 |
| CN106912213B CN106912213B (en) | 2019-01-25 |
Family
ID=59454573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099483.9A Active CN106912213B (en) | 2017-02-23 | 2017-02-23 | A kind of dry friction piece power output device and its control method for agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106912213B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201575091U (en) * | 2009-11-18 | 2010-09-08 | 荆州市巨鲸传动机械有限公司 | Wet-type brake of gear box |
| CN201934545U (en) * | 2011-01-31 | 2011-08-17 | 重庆帅昌机械制造有限公司 | Clutch |
| CN102537111A (en) * | 2012-01-31 | 2012-07-04 | 广西开元机器制造有限责任公司 | Normally-open friction clutch for hand mini tiller |
| CN102619895A (en) * | 2012-04-18 | 2012-08-01 | 重庆威马农业机械有限公司 | Normally-open clutch of micro-cultivator |
| CN202468744U (en) * | 2012-01-31 | 2012-10-03 | 广西开元机器制造有限责任公司 | Normally open friction clutch for handheld micro-cultivator |
| CN103282230A (en) * | 2010-11-11 | 2013-09-04 | 伊顿公司 | Idle-able auxiliary drive system |
| DE102013219400A1 (en) * | 2012-10-17 | 2014-04-17 | Schaeffler Technologies Gmbh & Co. Kg | Inline coupling without center bar and floating centrifugal oil balance |
| CN204284256U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Picking-up vehicle double-action wet-type hydraulic brake |
-
2017
- 2017-02-23 CN CN201710099483.9A patent/CN106912213B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201575091U (en) * | 2009-11-18 | 2010-09-08 | 荆州市巨鲸传动机械有限公司 | Wet-type brake of gear box |
| CN103282230A (en) * | 2010-11-11 | 2013-09-04 | 伊顿公司 | Idle-able auxiliary drive system |
| CN201934545U (en) * | 2011-01-31 | 2011-08-17 | 重庆帅昌机械制造有限公司 | Clutch |
| CN102537111A (en) * | 2012-01-31 | 2012-07-04 | 广西开元机器制造有限责任公司 | Normally-open friction clutch for hand mini tiller |
| CN202468744U (en) * | 2012-01-31 | 2012-10-03 | 广西开元机器制造有限责任公司 | Normally open friction clutch for handheld micro-cultivator |
| CN102619895A (en) * | 2012-04-18 | 2012-08-01 | 重庆威马农业机械有限公司 | Normally-open clutch of micro-cultivator |
| DE102013219400A1 (en) * | 2012-10-17 | 2014-04-17 | Schaeffler Technologies Gmbh & Co. Kg | Inline coupling without center bar and floating centrifugal oil balance |
| CN204284256U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Picking-up vehicle double-action wet-type hydraulic brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106912213B (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106594107B (en) | A kind of hydro-viscous speed governing clutch of bidirectional modulation | |
| SE9502603D0 (en) | A device for transmitting torque between two rotatable shafts | |
| CN105202074B (en) | A kind of parallel hydraulic retarder and its separation method with arrangement of clutch | |
| GB1281094A (en) | Hydraulic apparatus operable as a pump, motor or hydraulic transmission | |
| CN106912213A (en) | A kind of dry type friction plate PTO and its control method for agricultural machinery | |
| CN110087931A (en) | Power output device and its component | |
| CN206743807U (en) | A kind of PTO for agricultural machinery | |
| CN100419306C (en) | Hydraulic self-synchronous device | |
| CN206668869U (en) | A kind of hydraulic clutch step-up gear | |
| CN207956020U (en) | Freezing trawler double speed clutch transfer case | |
| CN106612679A (en) | Power output device for agricultural machinery and control method of power output device | |
| CN207796047U (en) | Hydraulic multi-head exports transfer case | |
| CN201566482U (en) | Multi-cylinder small four-wheel tractor | |
| CN207634641U (en) | Transfer case with hydraulic clutch | |
| CN208487158U (en) | A kind of multi output hydraulic pump clutch transfer case | |
| CN214221960U (en) | Clutch transfer case for harvester | |
| CN210290540U (en) | Separable combined one-way clutch | |
| CN208024830U (en) | A kind of mini-tiller and its axis installing mechanism | |
| CN107676466A (en) | A kind of small pump gear-box | |
| CN106838285A (en) | A kind of small pump gear-box | |
| CN212252038U (en) | Protective device for oil pump rotor | |
| CN217381465U (en) | Clutch and gearbox for agricultural machine | |
| CN201554648U (en) | Driving structure for gear pump of walking motor-driven rice transplanter | |
| CN211398439U (en) | Transfer case assembly with hydraulic clutch | |
| CN210537322U (en) | Hydraulic drive connecting mechanism for agricultural machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |