CN206958132U - A kind of wet type engaging power output device and tractor - Google Patents
A kind of wet type engaging power output device and tractor Download PDFInfo
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- CN206958132U CN206958132U CN201720922399.8U CN201720922399U CN206958132U CN 206958132 U CN206958132 U CN 206958132U CN 201720922399 U CN201720922399 U CN 201720922399U CN 206958132 U CN206958132 U CN 206958132U
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- clutch
- power output
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- wet type
- output device
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Abstract
It the utility model is related to technical field of agricultural machinery, and in particular to a kind of wet type engaging power output device and tractor.Wet type engaging power output device provided by the utility model includes clutch hub, middle hub, first piston, platen, clutch component and brake assemblies, so entered in hydraulic oil by fuel feed hole in plunger shaft, first piston is promoted to extrude the clutch component, clutch engages, and power input shaft drives clutch hub synchronous axial system together by clutch component；When hydraulic oil draining, first piston resets, now first piston does not extrude the clutch component, clutch separation, when the clutch is disengaged, hydraulic oil promotes second piston extruding brake assemblies, and clutch hub is braked, the braking of power output system can be realized, avoid clutch separation rear power output shaft from being rotated further under effect of inertia, reduce accident risk, improve security.
Description
Technical field
It the utility model is related to technical field of agricultural machinery, and in particular to a kind of wet type engaging power output device and dilatory
Machine.
Background technology
Traditional wet engaging power output device, when clutch engages, highly pressurised liquid is injected into oil pocket and promotes piston to move
It is dynamic, telophragma and friction plate are extruded, so as to realize the purpose for transmitting moment of torsion.But there is shortcoming at two in this structure：1. clutch
Oil pressure is higher in oil pocket during separation and oil extraction is difficult, separation retardance even unseparated situation easily occurs.2. clutch separation
Afterwards, related components can be still rotated further under effect of inertia.
Utility model content
(1) the technical problems to be solved in the utility model is：Clutch separation be present in traditional wet engaging power output device
When oil pocket in oil pressure it is higher and oil extraction is difficult, easily there is separation retardance even unseparated situation.And after clutch separation,
Related components can be still rotated further under effect of inertia.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of wet type engaging power output device, including from
Clutch hub, middle hub, first piston, second piston, platen, clutch component and brake assemblies, the clutch hub is interior to form phase
Intercommunicated plunger shaft and accommodating chamber, the first piston are arranged in the plunger shaft, the clutch component and the braking
Component is arranged in the accommodating chamber, and one end of the clutch component connects with the first piston, the other end and the pressure
Disk connects, and the brake assemblies are used to limit the clutch hub rotation, and the clutch hub is provided with and the plunger shaft connects
Logical fuel feed hole.
The beneficial effects of the utility model：
Wet type engaging power output device provided by the utility model includes clutch hub, middle hub, first piston, pressure
Disk, clutch component and brake assemblies, so when hydraulic oil is entered in plunger shaft by fuel feed hole, promote first piston extruding institute
Clutch component, clutch engagement are stated, middle hub drives clutch hub synchronous axial system together by clutch component；When hydraulic oil draining
When first piston reset, now first piston does not extrude the clutch component, clutch separation, second lives when the clutch is disengaged
Plug extruding brake assemblies, are braked to clutch hub, it is possible to achieve the braking of power output system, after avoiding clutch separation
Power output shaft is rotated further under effect of inertia, reduces accident risk, improves security.
Further, the brake assemblies include disk spring, the second friction plate and second piston, and the platen is located at institute
State in accommodating chamber and be fixedly connected with the clutch hub, one end of the platen connects with described clutch component one end, another
End connects with one end of second friction plate, and the other end of second friction plate connects with the second piston.
Further, the disk spring is arranged between the platen and the second friction plate, and second friction plate
One end connect with the second piston.
Further, the clutch component include telophragma, the first friction plate, return spring, described telophragma one end with
The first piston connects, and the other end connects with first friction plate, the first friction plate other end and the platen phase
Connect, described return spring one end connects with the first piston, other end limited location.
Further, the first piston is provided with check valve, and valve is closed when clutch engages, valve during clutch separation
Open emptying.
Further, it is provided with sealing ring in the plunger shaft.
Further, the inwall of the plunger shaft is provided with annular groove, and the sealing ring is arranged in the annular groove.
Further, the clutch component includes the first friction plate, telophragma, return spring；The wet type engaging power
Output device also includes power output shaft, and one end of the power output shaft is connected with stating clutch hub spline, and described first rubs
Pad and the middle hub are connected, and the telophragma is connected with the clutch hub, first friction plate and the telophragma
It is multiple and arranged for interval.
The utility model additionally provides a kind of tractor, including wet type engaging power output device described in any of the above-described.
Brief description of the drawings
The utility model is above-mentioned and/or the advantages of additional aspect from combining in description of the accompanying drawings below to embodiment and will become
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the cross section structure diagram of wet type engaging power output device described herein；
Fig. 2 is the structural representation of wet type engaging power output device described herein.
Corresponding relation in wherein Fig. 1 and Fig. 2 between reference and component names is：
1st, clutch hub, 11, plunger shaft, 111, first piston, 1111, connection oil duct, 1112, steel ball, 1113, draining
Hole, 112, annular groove, 1121, sealing ring, 12, fuel feed hole, 13, accommodating chamber, 131, clutch component, the 1311, first friction plate,
1312nd, telophragma, 1313, return spring, 132, platen, 133, brake assemblies, 1331, disk spring, the 1332, second friction
Piece, 134, second piston, 2, middle hub
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined., it is necessary to explanation, term in description of the present utility model
" " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", "
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second "
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.In addition, in description of the present utility model, unless otherwise indicated, " multiples' " contains
Justice is two or more.
As depicted in figs. 1 and 2, the utility model provides a kind of wet type engaging power output device, including clutch hub
1st, first piston 111, clutch component 131, platen 132, brake assemblies 133, second piston 134, middle hub 2, the clutch
Interconnected plunger shaft 11 and accommodating chamber 13 are formed in hub 1, the first piston 111 is arranged in the plunger shaft 11, institute
State clutch component 131 and the brake assemblies 132 be arranged in the accommodating chamber 13, one end of the clutch component 131 with
The piston connects, and the other end connects with the platen 132, and the brake assemblies 133 are used to limit 1 turn of the clutch hub
Dynamic, the clutch hub 1 is provided with the fuel feed hole 12 connected with the plunger shaft 11.
Wet type engaging power output device provided by the utility model includes clutch hub 1, first piston 111, clutch group
Part 131, platen 132, brake assemblies 133, so entered in hydraulic oil by fuel feed hole 12 in plunger shaft 11, promote first piston
The 111 extruding clutch components 131, clutch engagement, middle hub 2 drive clutch hub 1 synchronous together by clutch component 131
Rotate；When hydraulic oil draining, first piston 111 resets, and now first piston 111 does not extrude the clutch component 131, clutch
Device separates, and when the clutch is disengaged, second piston 134 extrudes brake assemblies 133, and clutch hub 1 is braked, it is possible to achieve
The braking of power output system, avoid clutch separation rear power output shaft from being rotated further under effect of inertia, reduce accident wind
Danger, improve security.
Preferably, it is described as shown in figure 1, the brake assemblies 133 include disk spring 1331, the second friction plate 1332
Platen 132 is fixedly connected in the accommodating chamber 13 and with the clutch hub 1, described one end of platen 132 and the dish
One end of spring 1331 connects, and second friction plate 1332 is between the disk spring 1331 and the second piston 134.
So in clutch separation, second piston 134 is moved under the driving of operating oil pressure, extrudes the second friction plate 1332, by the
Two friction plates 1332, disk spring 1331, platen 132 are pressed together, by the frictional force between each part, can avoid from
Clutch hub 1 causes accident occur because that can not brake at once because rotary inertia drives power output shaft to continue to rotate；Friction catch
Structure can realize the braking of power output system, avoid clutch separation rear power output shaft from continuing to turn under effect of inertia
It is dynamic, accident risk is reduced, improves security.
As shown in figure 1, the middle hub 2 is provided with cooling oil duct, be communicated with the first piston 111 cooling oil duct and
The connection oil duct 1111 of plunger shaft 11, the connection oil duct 1111 is interior to be provided with current limiting element, so when clutch engages, oil-feed
The oil-feed of hole 12, into plunger shaft 11, subsequently into the connection oil duct 1111 on first piston 111, now current limiting element is cut
Disconnected plunger shaft 11 connects with cooling oil duct, due to the effect of oil pressure, promotes first piston 111 to extrude clutch component 131, clutch
Component 131 engages, power output system normal work；When the clutch is disengaged, current limiting element does not work, now the He of plunger shaft 11
Cooling oil duct is connected by connecting oil duct 1111, and then the hydraulic oil in plunger shaft 11 enters in cooling oil duct, can be rapid
The oil pressure of plunger shaft 11 is reduced, avoids the unseparated phenomenon of friction plate from occurring, oil drainage structure can be in clutch separation by fluid
Rapid discharge, reduce operating oil pressure and because of oil pressure caused by centrifugal motion, accelerate friction plate separation process.
Preferably, it is described as shown in figure 1, the current limiting element is the steel ball 1112 in the connection oil duct 1111
Connection oil duct 1111 is connected by oil leak hole 1113 with the cooling oil duct, and the diameter of the steel ball 1112 is more than the oil leak hole
1113 diameter.So when clutch engages, the oil-feed of fuel feed hole 12, into plunger shaft 11, subsequently into first piston 111
On connection oil duct 1111 in, now steel ball 1112 blocks oil leak hole 1113 in the presence of oil pressure, and the cut-out of steel ball 1112 is lived
Plug chamber 11 connects with cooling oil duct, now due to the effect of oil pressure, promotes first piston 111 to extrude clutch component 131, clutch
Component 131 engages, power output system normal work；When the clutch is disengaged, steel ball 1112 is not pressurized so as to leave in piston
Wall, fluid are released from oil leak hole 1113, and plunger shaft 11 is connected with cooling oil duct by connecting oil duct 1111, then in plunger shaft 11
Hydraulic oil enter in cooling oil duct, can rapidly reduce the oil pressure of plunger shaft 11, avoid the unseparated phenomenon hair of friction plate
Raw, oil drainage structure can discharge fluid rapidly in clutch separation, reduce operating oil pressure and because of oil pressure caused by centrifugal motion,
Accelerate friction plate separation process.
It should be noted that the current limiting element can also be other structures in this application, such as described current limiting element is
Check valve, the check valve are merely able to one-way conduction, and it can equally realize the purpose of the application, and its objective is without departing from this practicality
New design philosophy, the scope of protection of the utility model should be belonged to.
Preferably, sealing ring 1121 is provided with the plunger shaft 11, the sealing ring 1121 is able to ensure that first piston 111
It can be moved in the interior sealing of plunger shaft 11；Specifically, the inwall of the plunger shaft 11 is provided with annular groove 112, the sealing ring
1121 are arranged in the annular groove 112.
Preferably, the clutch component 131 includes the first friction plate 1311 and telophragma 1312；The wet type engaging power
Output device also includes power output shaft, and the power output shaft is connected with the spline of clutch hub 1, first friction plate
1311 are connected with the middle hub 2, and the telophragma 1312 is connected with the clutch hub 1, the He of the first friction plate 1311
The telophragma 1312 is multiple and arranged for interval, so when clutch engages, the first friction plate 1311 and telophragma
1312 mutually extruding, impart power to clutch hub 1, and now middle hub 2 drives the synchronous axial system together of clutch hub 1；When from
When clutch separates, the first friction plate 1311 and telophragma 1312 separate, and realize that power transmission is interrupted.
1 illustrate the worked of wet type engaging power output device provided by the utility model below in conjunction with the accompanying drawings
Journey.
When clutch needs engagement, the oil-feed of fuel feed hole 12, into plunger shaft 11, subsequently on first piston 111
Connection oil duct 1111 in, now steel ball 1112 blocks oil leak hole 1113 in the presence of oil pressure, and steel ball 1112 cuts off piston
Chamber 11 connects with cooling oil duct, now due to the effect of oil pressure, promotes first piston 111 to extrude clutch component 131, clutch group
Part 131 engages, power output system normal work；When the clutch is disengaged, steel ball 1112 not by oil pressure so as to departing from first
The inwall of piston 111, fluid are released from oil leak hole 1113, and plunger shaft 11 is connected with cooling oil duct by connecting oil duct 1111, then
Hydraulic oil in plunger shaft 11 enters in cooling oil duct, can rapidly reduce the oil pressure of plunger shaft 11, avoid the first friction plate
1311 and 1312 unseparated phenomenon of telophragma occur, while in clutch separation, drive of the second piston 134 in operating oil pressure
Dynamic lower motion, extrudes the second friction plate 1332, the second friction plate 1332, disk spring 1331, platen 132 is pressed together,
Platen 132 is integrally fixed on clutch hub 1 simultaneously, so after clutch separation, passes through the friction plate of platen 132 and second
Frictional force between 1332, clutch hub 1 can be avoided because rotary inertia continues to rotate, cause to brake at once and thing occur
Therefore；Friction catch structure can realize the braking of power output system, avoid clutch separation rear power output shaft from making in inertia
It is rotated further under, reduces accident risk, improves security.
The utility model additionally provides a kind of tractor, including wet type engaging power output device described in any of the above-described.
Because wet type engaging power output device provided by the utility model is provided with draining mechanism and arrestment mechanism, oil drainage structure can be
Fluid is discharged rapidly during clutch separation, reduces oil pressure, accelerates friction plate separation process；Friction catch structure can be realized dynamic
The braking of power output system, avoid clutch separation rear power output shaft from being rotated further under effect of inertia, reduce accident risk,
Improve security.
In summary, wet type engaging power output device provided by the utility model includes clutch hub, first piston, the
Two pistons, platen, clutch component and brake assemblies, so entered in hydraulic oil by fuel feed hole in plunger shaft, promote first to live
Plug extrudes the clutch component, clutch engagement, and middle hub drives clutch hub synchronous axial system together by clutch component；Work as liquid
First piston resets when pressing oil draining, and now first piston does not extrude the clutch component, clutch separation, works as clutch separation
When, second piston extruding brake assemblies, clutch hub is braked, it is possible to achieve the braking of power output system, avoid from
Clutch separation rear power output shaft is rotated further under effect of inertia, is reduced accident risk, is improved security.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (9)
- A kind of 1. wet type engaging power output device, it is characterised in that：Including clutch hub, middle hub first piston, platen, from Seaming element and brake assemblies, the clutch hub is interior to form interconnected plunger shaft and accommodating chamber, and the first piston is set In the plunger shaft, the clutch component and the brake assemblies are arranged in the accommodating chamber；The clutch component One end connects with the first piston, and the other end connects with the platen, and the brake assemblies are used to limit the clutch hub Rotate, the clutch hub is provided with the fuel feed hole connected with the plunger shaft.
- 2. wet type engaging power output device according to claim 1, it is characterised in that：The brake assemblies include dish Spring, the second friction plate and second piston, the platen are fixedly connected in the accommodating chamber and with the clutch hub, institute The one end for stating platen connects with described clutch component one end, and the other end connects with one end of second friction plate, and described second The other end of friction plate connects with the second piston.
- 3. wet type engaging power output device according to claim 2, it is characterised in that：The disk spring is arranged in institute State between platen and the second friction plate, and one end of second friction plate connects with the second piston.
- 4. wet type engaging power output device according to claim 1, it is characterised in that：The clutch component includes centre Disk, the first friction plate, return spring, described telophragma one end connect with the first piston, the other end and the described first friction Piece connects, and the first friction plate other end connects with the platen, and described return spring one end connects with the first piston, Other end limited location.
- 5. wet type engaging power output device according to claim 4, it is characterised in that：The first piston is provided with unidirectional Valve, valve is closed when clutch engages, valve opening emptying during clutch separation.
- 6. wet type engaging power output device according to claim 1, it is characterised in that：Sealing is provided with the plunger shaft Ring.
- 7. wet type engaging power output device according to claim 6, it is characterised in that：Set on the inwall of the plunger shaft There is annular groove, the sealing ring is arranged in the annular groove.
- 8. the wet type engaging power output device according to any one of claim 1 to 7, it is characterised in that：The clutch group Part includes the first friction plate, telophragma, return spring；The wet type engaging power output device also includes power output shaft, institute The one end for stating power output shaft is connected with stating clutch hub spline, and first friction plate and the middle hub are connected, in described Disk is connected with the clutch hub, the first friction plate and telophragma is multiple and arranged for interval.
- A kind of 9. tractor, it is characterised in that：Dress is exported including the wet type engaging power as described in any one of claim 1 to 8 Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922399.8U CN206958132U (en) | 2017-07-27 | 2017-07-27 | A kind of wet type engaging power output device and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922399.8U CN206958132U (en) | 2017-07-27 | 2017-07-27 | A kind of wet type engaging power output device and tractor |
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| Publication Number | Publication Date |
|---|---|
| CN206958132U true CN206958132U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720922399.8U Active CN206958132U (en) | 2017-07-27 | 2017-07-27 | A kind of wet type engaging power output device and tractor |
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| Country | Link |
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| CN (1) | CN206958132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269743A (en) * | 2017-07-27 | 2017-10-20 | 雷沃重工股份有限公司 | A kind of wet type engaging power output device and tractor |
| CN109505890A (en) * | 2018-12-26 | 2019-03-22 | 河北宗申戈梅利农业机械制造有限公司 | A kind of power output assembly for engine |
-
2017
- 2017-07-27 CN CN201720922399.8U patent/CN206958132U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269743A (en) * | 2017-07-27 | 2017-10-20 | 雷沃重工股份有限公司 | A kind of wet type engaging power output device and tractor |
| CN109505890A (en) * | 2018-12-26 | 2019-03-22 | 河北宗申戈梅利农业机械制造有限公司 | A kind of power output assembly for engine |
| CN109505890B (en) * | 2018-12-26 | 2024-03-08 | 河北宗申戈梅利农业机械制造有限公司 | Power output assembly for engine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: LOVOL HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |