CN108825676A - A kind of oil cylinder of wet shifting clutch - Google Patents
A kind of oil cylinder of wet shifting clutch Download PDFInfo
- Publication number
- CN108825676A CN108825676A CN201810526667.3A CN201810526667A CN108825676A CN 108825676 A CN108825676 A CN 108825676A CN 201810526667 A CN201810526667 A CN 201810526667A CN 108825676 A CN108825676 A CN 108825676A
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- China
- Prior art keywords
- clutch
- oil cylinder
- oil
- auxiliary oil
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
Abstract
The present invention relates to a kind of oil cylinder of wet shifting clutch, oil cylinder includes:Clutch auxiliary oil cylinder assembly, clutch master cylinder, piston and elastic component;Clutch auxiliary oil cylinder assembly is successively radially set to the outside of clutch bearing with clutch master cylinder and is fixedly connected;One end of piston is connect by elastic component with clutch auxiliary oil cylinder assembly, and the other end is connect with clutch master cylinder;Clutch auxiliary oil cylinder assembly is provided with lubricating oil;Clutch master cylinder is equipped with manipulation pressure oil.Oil cylinder provided by the invention, the major-minor oil cylinder diverter function of rotary clutch is realized using clutch auxiliary oil cylinder assembly, it is simple and compact for structure reliable, effectively reduce the volume of clutch, the influence for effectively preventing centrifugal oil pressure avoids centrifugal oil pressure and is especially the influence to clutch gear-shift dynamic property at high speed, realizes the convenient control and calibration of clutch, planet speed change mechanism gear shift dynamic impact loads are greatly reduced, promote the accelerating ability and ride comfort of vehicle.
Description
Technical field
The present invention relates to technical field of mechanical transmission, and in particular to a kind of oil cylinder of wet shifting clutch.
Background technique
Wet-type multi-disc clutch is one of vehicle drive system critical component, either in the electromechanical combined transmission of a new generation
Operating mode switching in, or in the straight speed change and fluid power of the comprehensive transmission of hydraulic machine, mechanical working condition conversion, wet type is more
Lamella clutch is all the critical component for realizing energy transmission and regulation, passes through separation and Binding change gear power transfer
Route constitutes different stalls, realizes the advance and retroversion of vehicle.The power of planet speed change mechanism transmitting at present is high simultaneously, space ruler
It is very little limited.
High power density is the important development direction of transmission device, and clutch volume accounts for 1/3 of planet speed change mechanism or more,
Under the premise of clutch outer diameter determines, conventional clutch adds cut spring as clutch separation structure using centrifugation pellet,
Its width-diameter ratio is 0.30~0.35, occupies biggish axial space;Simultaneously because centrifugation pellet centrifugal force and clutch rotational speed
It is square proportional, it is unfavorable for manipulation and control, impact is big when leading to gear shift, not only accelerates friction disc wear, but also reduce load-bearing part
Service life.
Summary of the invention
In order to solve the above-mentioned deficiency in the presence of the prior art, the present invention provides a kind of oil of wet shifting clutch
Cylinder.
Technical solution provided by the invention is:A kind of oil cylinder of wet shifting clutch, the oil cylinder include:Clutch pair
Hydraulic cylinder assembly, clutch master cylinder (1), piston (2) and elastic component (4);
The clutch auxiliary oil cylinder assembly and clutch master cylinder (1) successively the radial outside for being set to clutch bearing and
It is fixedly connected;
One end of the piston (2) is connect with the clutch auxiliary oil cylinder assembly, the other end and the clutch master cylinder
(1) it connects;
The cavity that the clutch auxiliary oil cylinder assembly (6) and the piston (2) are formed is connected with lubricating oil, is equipped in cavity
The elastic component (4);
The cavity that the clutch master cylinder (1) and the piston (2) are formed is connected with manipulation pressure oil.
Preferably, the clutch auxiliary oil cylinder assembly includes:Clutch auxiliary oil cylinder (8), flow ring (9) and positioning pin
(10);
The flow ring (9) is radially set between the clutch auxiliary oil cylinder (8) and the piston (2), and passes through positioning pin
(10) circumferential position of the fixed flow ring (9).
Preferably, the hole passed through for manipulation pressure oil is equipped on the clutch auxiliary oil cylinder (8);
The hole passed through for lubricating oil is equipped on the clutch auxiliary oil cylinder (8);
The flow ring (9) includes:Ring body and the circumferential shunting through slot group being set in the ring body;
The shunting through slot group includes:Two component circulation grooves being arranged in a mutually vertical manner, wherein a component circulation groove with it is described
The hole connection of clutch master cylinder (1) constitutes master cylinder oil duct, the hole of another component circulation groove and the clutch auxiliary oil cylinder (8)
Connection constitutes auxiliary oil cylinder oil duct.
Preferably, the master cylinder oil duct includes:The radial radial oil of the master cylinder being set on the clutch auxiliary oil cylinder (8)
Road (6-1) and axial direction are set on the clutch auxiliary oil cylinder (8) and the master cylinder with master cylinder radial direction oil (6-1) connection
Axial oil duct (6-2);
The auxiliary oil cylinder oil duct includes:The radial auxiliary oil cylinder radial direction oil (6- being set on the clutch auxiliary oil cylinder (8)
3), the auxiliary oil cylinder radial direction oil and clutch auxiliary oil cylinder (8) connection;
The number of the master cylinder radial direction oil (6-1) is 4, along the uniform cloth of circumferential direction of the clutch auxiliary oil cylinder (8)
It sets;
The number of the auxiliary oil cylinder radial direction oil (6-3) is 2, along the symmetrical cloth of circumferential direction of the clutch auxiliary oil cylinder (8)
It sets.
Preferably, shunting through slot described in every group is made of symmetrically arranged two diversion channels (9-1) respectively;
The diversion channel (9-1) includes:It is collected set on the crescent moon collecting tank (9-2) of the inner wall of ring body and with the crescent moon
The rectangle circulation groove (9-3) of slot (9-2) connection;
The auxiliary oil cylinder radial direction oil and the master cylinder radial direction oil pass through the crescent moon collecting tank of the diversion channel (9-1)
(9-2) respectively with the clutch auxiliary oil cylinder (8) and the clutch master cylinder (1) connection;
One end of the master cylinder axial direction oil duct is equipped with oil and blocks up (9-4), and the other end is the outer rim of the auxiliary oil cylinder (8).
Preferably, it is solid to pass through the bolt (7) being axially arranged for the clutch auxiliary oil cylinder assembly (6) and the master cylinder (1)
Fixed connection.
Preferably, the bolt (7) is the bolt that circumferential setting and number are at least 16.
Preferably, the oil cylinder further includes:O-ring seal (5) and L-type sealing ring (3);
The O-ring seal (5) is radially set between the flow ring (9) and the piston (2);
The number of the L-type sealing ring (3) is 2, and the L-type sealing element (3) of one of them is radially set to the clutch
Between device auxiliary oil cylinder (8) and the piston (2), another L-type sealing element (3) be radially set to the clutch master cylinder (1) with
Between the piston (2).
Preferably, the clutch auxiliary oil cylinder assembly (6) and the clutch master cylinder (1) respectively with the piston (2)
The cavity inside/outside diameter size of formation is identical.
Preferably, the elastic component (4) is helical spring.
Preferably, the elastic component (4) includes that following components by mass percentage are made:C:0.21%, Mn:
0.55%, Si:1.1%, Cr:0.10%, Nb:0.03%, V:0.04%, Ti:0.09%, Al:0.11%, remaining for Fe and
Not removable impurity.
Preferably, the O-ring seal (5) and the L-type sealing ring (3) respectively include following groups according to parts by weight
Divide and is made:85 parts of neoprene CR2442,25 parts of lightweight carbon black AB770,5 parts of antioxidant MB, cumyl peroxide 1.0
Part, 3.4 parts of phenyl triethoxysilane, 1,035 2.2 parts of antioxidant, modified 4.5 parts of adopting iron ore tailings, decanedioic acid propanediol polyester
1.2 parts and 2.5 parts of paregal O.
Compared with the immediate prior art, technical solution provided by the invention is had the advantages that:
(1) technical solution provided by the invention, the flow ring in the auxiliary oil cylinder assembly of use realize rotary clutch
Major-minor oil cylinder diverter function, it is simple and compact for structure reliable, the volume of clutch is effectively reduced, centrifugal oil pressure is effectively prevented
It influences, avoids centrifugal oil pressure and be especially the influence to clutch gear-shift dynamic property at high speed, realize clutch
Convenient control and calibration, are greatly reduced planet speed change mechanism gear shift dynamic impact loads, improve the accelerating ability peace of vehicle
It is pliable.
(2) technical solution provided by the invention, a kind of oil cylinder of the wet shifting clutch provided, the oil cylinder include:
Clutch auxiliary oil cylinder assembly, clutch master cylinder, piston and elastic component;The clutch auxiliary oil cylinder assembly and clutch master cylinder
Successively radial direction is set to the outside of clutch bearing and is fixedly connected;One end of the piston by the elastic component and it is described from
The connection of clutch auxiliary oil cylinder assembly, the other end are connect with the clutch master cylinder;The clutch auxiliary oil cylinder assembly is provided with profit
Lubricating oil;The clutch master cylinder is equipped with manipulation pressure oil;The master of rotary clutch is realized using clutch auxiliary oil cylinder assembly
Auxiliary oil cylinder diverter function, it is simple and compact for structure reliable, the volume of clutch is effectively reduced, the shadow of centrifugal oil pressure is effectively prevented
It rings, avoids centrifugal oil pressure and be especially the influence to clutch gear-shift dynamic property at high speed, realize clutch just
Victory control and calibration, are greatly reduced planet speed change mechanism gear shift dynamic impact loads, promote the accelerating ability and ride comfort of vehicle,
Clutch width-diameter ratio is greatly reduced, reduces the axial dimension and volume of clutch;Added with conventional clutch using centrifugation pellet
Cut spring is compared as clutch separation structure, width-diameter ratio for 0.30~0.35, the axis that oil cylinder provided by the invention occupies
It is small to space, since the inside/outside diameter size of major-minor oil cylinder is identical, eccentricity is substantially reduced, is conducive to operate control, when shift
It impacts small, reduces acceleration friction disc wear, thereby reducing reduces the load-bearing part service life.
(3) technical solution provided by the invention, the O-ring seal and L-type sealing ring of use have heat-resisting, wear-resisting and anti-
The characteristics of leakage.
(4) technical solution provided by the invention, the elastic component of use, elasticity is good, is suitble to the normal work under load environment
Make, to manufacture spring materials yield strength with higher, and has a longer life expectancy, and will not be under the conditions of most evil bad
There is the problem of brittle failure.And its cost performance is high, is suitble to promoting the use of a large area for field of industrial manufacturing.
Detailed description of the invention
Fig. 1 is cylinder structure schematic diagram of the invention;
Fig. 2 is auxiliary oil cylinder assembly structure schematic diagram of the invention;
Fig. 3-a is flow ring structure schematic diagram of the invention;
Fig. 3-b is the A-A cross-sectional view of Fig. 3-a;
Fig. 4 is master cylinder structural schematic diagram of the invention;
Fig. 5-a is oil cylinder oil duct design diagram of the invention;
Fig. 5-b is the A-A sectional view of Fig. 5-a;
Wherein, 1- clutch master cylinder;2- piston;3-L type sealing ring;4- elastic component;5-O type sealing ring;6- clutch
Auxiliary oil cylinder assembly;6-1- master cylinder radial direction oil;6-2- master cylinder axial direction oil duct;6-3- auxiliary oil cylinder radial direction oil;7- bolt;8-
Clutch auxiliary oil cylinder;9- flow ring;9-1- diversion channel;9-2- crescent;9-3- rectangular channel;9-4- oil is stifled;10- positioning pin.
Specific embodiment
For a better understanding of the present invention, further details of the technical solution of the present invention with reference to the accompanying drawing.
As shown in Figures 1 to 5, the oil cylinder of wet-type multi-disc clutch provided by the invention, the oil cylinder include:Clutch
Auxiliary oil cylinder assembly 6, clutch master cylinder 1, piston 2 and elastic component 4;The clutch auxiliary oil cylinder assembly 6 and clutch master cylinder 1
Successively radial direction is set to the outside of clutch bearing and is fixedly connected;One end of the piston 2 and the clutch auxiliary oil cylinder are total
At 6 connections, the other end is connect with the clutch master cylinder 1;What the clutch auxiliary oil cylinder assembly 6 was formed with the piston 2
Cavity is connected with lubricating oil, is equipped with the elastic component 4 in cavity;The cavity that the clutch master cylinder 1 is formed with the piston 2
It is connected with manipulation pressure oil;
The clutch auxiliary oil cylinder assembly 6 includes:Clutch auxiliary oil cylinder 8, flow ring 9 and positioning pin 10;The flow ring 9
It is radial to be set between the clutch auxiliary oil cylinder 8 and the piston 2, and pass through the circumferential position of the fixed flow ring 9 of positioning pin 10
It sets;
The hole passed through for manipulation pressure oil is equipped on the clutch auxiliary oil cylinder 8;It is set on the clutch auxiliary oil cylinder 8
There is the hole passed through for lubricating oil;The flow ring 9 includes:Ring body and the circumferential shunting through slot group being set in the ring body;It is described
Shunting through slot group includes:Two component circulation grooves being arranged in a mutually vertical manner, wherein a component circulation groove and the clutch master cylinder 1
Hole connection constitute master cylinder oil duct, the hole connection of another component circulation groove and the clutch auxiliary oil cylinder 8 constitutes auxiliary oil cylinder oil
Road;
The master cylinder oil duct includes:The radial master cylinder radial direction oil 6-1 and axis being set on the clutch auxiliary oil cylinder 8
To the master cylinder axial direction oil duct 6-2 being set on the clutch auxiliary oil cylinder 8 and with the master cylinder radial direction oil 6-1 connection;Institute
Stating auxiliary oil cylinder oil duct includes:The radial auxiliary oil cylinder radial direction oil 6-3 being set on the clutch auxiliary oil cylinder 8, the auxiliary oil cylinder diameter
To oil duct and 8 connection of clutch auxiliary oil cylinder;The master cylinder radial direction oil 6-1 be two groups, every group be 2 oil ducts, every group
2 oil ducts be symmetrical arranged;The number of the master cylinder radial direction oil 6-1 is 4, along the circumferential direction of the clutch auxiliary oil cylinder 8
It is evenly arranged;The number of the auxiliary oil cylinder radial direction oil 6-3 is 2, along being arranged circumferentially for the clutch auxiliary oil cylinder 8,
It can also be arranged symmetrically;
Shunting through slot described in every group is made of symmetrically arranged two diversion channel 9-1 respectively;The diversion channel 9-1 includes:
Rectangle circulation groove 9-3 set on the crescent moon collecting tank 9-2 of the inner wall of ring body and with the crescent moon collecting tank 9-2 connection;It is described
Auxiliary oil cylinder radial direction oil and the master cylinder radial direction oil by the crescent moon collecting tank 9-2 of the diversion channel 9-1 respectively with it is described
Clutch auxiliary oil cylinder 8 and 1 connection of clutch master cylinder;One end of the master cylinder axial direction oil duct is equipped with the stifled 9-4 of oil, another
End is the outer rim of the auxiliary oil cylinder 8;
The clutch auxiliary oil cylinder assembly 6 passes through the bolt 7 being axially arranged with the master cylinder 1 and is fixedly connected;
The bolt 7 is the bolt that circumferential setting and number are at least 16;
The oil cylinder further includes:O-ring seal 5 and L-type sealing ring 3;The O-ring seal 5 is radial to be set to the flow
Between ring 9 and the piston 2;The number of the L-type sealing ring 3 is 2, and the L-type sealing element 3 of one of them is radial set on described
Between clutch auxiliary oil cylinder 8 and the piston 2, another L-type sealing element 3 is radial be set to the clutch master cylinder 1 with it is described
Between piston 2;
The clutch auxiliary oil cylinder 8 is identical with the inside/outside diameter size of the clutch master cylinder 1;
The elastic component 4 is helical spring;The elastic component 4 is made including following components by mass percentage:C:
0.21%, Mn:0.55%, Si:1.1%, Cr:0.10%, Nb:0.03%, V:0.04%, Ti:0.09%, Al:0.11%,
Remaining is Fe and not removable impurity;Elastic component 4 is heated, molding, immediate quenching, average tempering, finally carries out product most
The molding of end form shape;It has elasticity is good, be suitble to normally work under load environment, to manufacture spring materials it is with higher
Yield strength, and have a longer life expectancy, and the problem of brittle failure will not occur under the conditions of most evil bad.And its cost performance
Height is suitble to promoting the use of a large area for field of industrial manufacturing;
The O-ring seal 5 and the L-type sealing ring 3 respectively include following components according to parts by weight and are made:Neoprene
85 parts of rubber CR2442,25 parts of lightweight carbon black AB770,5 parts of antioxidant MB, 1.0 parts of cumyl peroxide, three second of phenyl
3.4 parts of oxysilane, 1,035 2.2 parts of antioxidant, modified 4.5 parts of adopting iron ore tailings, 1.2 parts of decanedioic acid propanediol polyester and average
Add 2.5 parts of O.
As shown in Figure 1, master cylinder 1 is identical with the inside/outside diameter size of auxiliary oil cylinder 8, can avoid generating centrifugal oil in rotary oil cylinder
Pressure, centrifugal oil pressure influences the combination and separation of clutch, and generates interference to cushioning control oil pressure and influence, and influences shift
Ride comfort, and lead to the increase of work of slipping and sliding wear power, reduce the service life of clutch;
The counterbore being corresponding on auxiliary oil cylinder 8 and piston 2, installation spiral elasticity part 4 are adjusted by control dimension chain dimensional tolerance
Whole spiral elasticity part 4 pre-tightens length;Pre- 4 return initial compression amount of next elastic component is the displacement that clutch plunger 2 actually moves,
It is related to the secondary size of piston 2, oil cylinder and friction, by controlling dimension chain dimensional tolerance, adjust return initial length;Finally,
Consider 2 forced area of piston, the axial return pressure of the effect of elastic component 4 on the piston 2 takes 0.12--0.15Mpa, in clutch
In conjunction with when, which influences the manipulation oil pressure in master cylinder 1 small, and in clutch separation, pressure can make piston 2 reliable rapidly
Return, response are impacted small fastly;
What the cavity that the clutch auxiliary oil cylinder assembly 6 is formed with the piston 2 was passed through is lubricating oil, first is that playing balance
The effect of 1 centrifugal oil pressure of master cylinder, second is that 2 return of lubrication pressure auxiliary piston.This two function are realized using connection lubricant passage way
Can, advantage resides in reduced return pilot oil all the way, and oil circuit all the way is reduced in structure, simplifies structure, shortens clutch
Axial space, in terms of clutch control, simplify manipulation valve structure, reduce controlling unit, be conducive to accurately control
Realization.
As shown in Figure 2 to Figure 3, Fig. 3-a is flow ring structure schematic diagram of the invention, and Fig. 3-b is the A-A section view of Fig. 3-a
Figure;Flow ring provided by the invention is mounted on auxiliary oil cylinder 8, positions circumferential position to positive oil duct, and with positioning pin 10.Flow ring
Cooperate H6/n6 with auxiliary oil cylinder 8,10 center of positioning pin is located at cooperation diametrically, fixed with beating after flow ring and the combination of auxiliary oil cylinder 8
Position pin hole, installs positioning pin 10, fit dimension H7/n6;Flow ring is to the combination of clutch and the radial direction of separation manipulation oil circuit
Oil circuit realizes that circumferential zones shunt;The stifled 9-4 of oil is additionally provided on auxiliary oil cylinder 8,;Flow ring main structure is thin wall circular, diversion channel
9-1 is made of crescent-shaped slot 9-2 and rectangular channel 9-3, is divided to two groups to be symmetrically evenly distributed with, is respectively corresponded different oil ducts.
Specifically,
As shown in Figure 1, the oil cylinder of the clutch provided in this embodiment, including clutch master cylinder 1, the secondary oil of clutch
Cylinder assembly, bolt 7, elastic component 4, L-type sealing ring 3, O-ring seal 5, positioning pin 10;Bolt 7 connects 1 He of clutch master cylinder
Clutch auxiliary oil cylinder assembly;Helical spring can be used in elastic component 4, and elastic component 4 plays the role of assisting return;3 He of L-type sealing ring
O-ring seal 5 plays sealing function;The oil cylinder of the clutch is planet speed change mechanism is supported on by deep groove ball bearing outer
On hub (cabinet), bearing support inner hole after assembly is bolted in clutch master cylinder 1 and clutch auxiliary oil cylinder assembly 6,
It is combined processing;The cavity internal-and external diameter that the clutch master cylinder 1 and clutch auxiliary oil cylinder assembly 6 are formed with piston 2 respectively
Size is identical, combines return mode using lubricating oil and helical spring, reduces by an oil circuit compared to manipulation pressure oil return is passed through;
The bearing support inner hole of clutch uses Combined machining, and ensure that major-minor oil cylinder stablizes support, prevents under high speed rotation state
Bearing damage caused by bearing end-play is eliminated by uneven stress, improves clutch reliability;Major-minor oil cylinder balance
Clutch effectively prevents the influence of centrifugal oil pressure, and centrifugal oil pressure influences the combination and separation of clutch, and to cushioning control
Oil pressure generates interference and influences, and influences the ride comfort of shift, and leads to the increase of work of slipping and sliding wear power, reduces clutch
Service life, this configuration avoids centrifugal oil pressures to be especially the influence to clutch gear-shift dynamic property at high speed, realizes
The convenient control and calibration of clutch, are greatly reduced planet speed change mechanism gear shift dynamic impact loads, improve vehicle plus
Fast performance and ride comfort;Lubricating oil and helical spring joint return mode and clutch distributing construction, it is simple and compact for structure reliable,
Clutch width-diameter ratio is greatly reduced, is down to 0.17~0.20 by 0.30~0.35, reduces the axial dimension and volume of clutch;
The design of major-minor oil cylinder benchmark intense adjustment Combined machining is to design and process base with auxiliary oil cylinder end face F and inner hole D
Quasi- with benchmark D and is aided with end standard A when major-minor oil cylinder combines, in radial fine levelling, guarantee master cylinder benchmark A relative to
Benchmark D bounce is not more than ¢ 0.03mm, realizes that major and minor oil cylinder precisely combines, and combination post-processing supports inner hole to design size;
The counterbore being corresponding on clutch auxiliary oil cylinder 8 and piston 2, installation helical spring are public by control size chain size
Difference adjusts spring pre-tightening length;Pre- next spring return function initial compression amount is the practical displacement moved of clutch plunger, with piston
2, oil cylinder is related to the secondary size of friction, by controlling dimension chain dimensional tolerance, adjusts return initial length;Finally, consider to live
2 forced areas are filled in, the axial return pressure that spring acts on piston takes 0.12--0.15Mpa, when clutch combines, the pressure
Power is small on the manipulation pressure oil oil pressure influence in master cylinder, and in clutch separation, pressure can make piston reliable return rapidly, ring
It should impact fastly small;
The cavity that the clutch auxiliary oil cylinder assembly 6 is formed with the piston 2 is connected with lubricating oil, first is that playing the main oil of balance
The effect of cylinder centrifugal oil pressure, second is that 2 return of lubrication pressure auxiliary piston;This two functions are realized using connection oil leab, it is excellent
Point resides in reduced return pilot oil all the way, and oil circuit all the way is reduced in structure, simplifies structure, shortens the axial direction of clutch
Space simplifies the structure of manipulation valve, reduces controlling unit, be conducive to the realization accurately controlled in terms of clutch control.
As shown in Fig. 2, clutch auxiliary oil cylinder assembly provided in this embodiment includes clutch auxiliary oil cylinder 8, flow ring 9 is fixed
Position pin 10;The flow ring 9 and clutch auxiliary oil cylinder 8 is using cooperation H6/n6, after installing, Combined machining dowel hole,
A semicircle orifice is respectively formed on clutch auxiliary oil cylinder 8 and flow ring 9, then positioning pin 10 is installed, the cooperation of pin hole and positioning pin 10
Having a size of H7/n6, the circumferential position of the fixed flow ring 9 of positioning pin 10 guarantees the perforation of oil circuit;
As shown in figure 3, flow ring 9 provided in this embodiment, realize the oil channel structure of clutch master cylinder and auxiliary oil cylinder,
Flow ring 9 is mounted on CH auxiliary oil cylinder, there is four groups of crescent 9-2 and rectangular channel 9-3, be divided to two groups it is symmetrically uniformly distributed, respectively correspond from
Radial direction oil on clutch auxiliary oil cylinder 8.
As shown in figure 5, Fig. 5-a is oil cylinder oil duct design diagram of the invention, Fig. 5-b is the A-A sectional view of Fig. 5-a;
Two groups of oil ducts on clutch auxiliary oil cylinder 8 provided in this embodiment lead to clutch master cylinder and clutch auxiliary oil cylinder respectively;From
The oil duct of clutch master cylinder 1 is made of axial hole and radial hole, is communicated with manipulation pressure oil, and oil duct is circumferentially evenly arranged, oil
Cylinder uniform force avoids oil cylinder caused by unilateral be pressurized eccentric;Oil duct towards clutch auxiliary oil cylinder 8 is radial hole, with lubrication
Oil communicates;6 road ¢, 6 radial direction oil, 4 tunnels positioned at vertical line two sides are the manipulation pressure oil towards clutch master cylinder oil pocket
Road is to be divided into two groups towards the oil leab of the oil pocket of clutch auxiliary oil cylinder and be arranged symmetrically positioned at 2 tunnels of horizontal side.
The above is only the embodiment of the present invention, are not intended to restrict the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (12)
1. a kind of oil cylinder of wet shifting clutch, which is characterized in that
The oil cylinder includes:Clutch auxiliary oil cylinder assembly (6), clutch master cylinder (1), piston (2) and elastic component (4);
The clutch auxiliary oil cylinder assembly (6) and clutch master cylinder (1) successively the radial outside for being set to clutch bearing and
It is fixedly connected;
One end of the piston (2) is connect with the clutch auxiliary oil cylinder assembly (6), the other end and the clutch master cylinder
(1) it connects;
The cavity that the clutch auxiliary oil cylinder assembly (6) and the piston (2) are formed is connected with lubricating oil, is equipped in cavity described
Elastic component (4);
The cavity that the clutch master cylinder (1) and the piston (2) are formed is connected with manipulation pressure oil.
2. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that the clutch auxiliary oil cylinder is total
Include at (6):Clutch auxiliary oil cylinder (8), flow ring (9) and positioning pin (10);
The flow ring (9) is radially set between the clutch auxiliary oil cylinder (8) and the piston (2), and passes through positioning pin (10)
The circumferential position of the fixed flow ring (9).
3. a kind of oil cylinder of wet shifting clutch as claimed in claim 2, which is characterized in that
The hole passed through for manipulation pressure oil is equipped on the clutch auxiliary oil cylinder (8);
The hole passed through for lubricating oil is equipped on the clutch auxiliary oil cylinder (8);
The flow ring (9) includes:Ring body and the circumferential shunting through slot group being set in the ring body;
The shunting through slot group includes:Two component circulation grooves being arranged in a mutually vertical manner, wherein a component circulation groove and the clutch
The hole connection of device master cylinder (1) constitutes master cylinder oil duct, the hole connection of another component circulation groove and the clutch auxiliary oil cylinder (8)
Constitute auxiliary oil cylinder oil duct.
4. a kind of oil cylinder of wet shifting clutch as claimed in claim 3, which is characterized in that
The master cylinder oil duct includes:The radial master cylinder radial direction oil (6-1) being set on the clutch auxiliary oil cylinder (8) and axis
To the master cylinder axial direction oil duct (6- being set on the clutch auxiliary oil cylinder (8) and with master cylinder radial direction oil (6-1) connection
2);
The auxiliary oil cylinder oil duct includes:The radial auxiliary oil cylinder radial direction oil (6-3) being set on the clutch auxiliary oil cylinder (8), institute
State auxiliary oil cylinder radial direction oil and clutch auxiliary oil cylinder (8) connection;
The number of the master cylinder radial direction oil (6-1) is 4, and the circumferential direction along the clutch auxiliary oil cylinder (8) is arranged symmetrically;
The number of the auxiliary oil cylinder radial direction oil (6-3) is 2, along being arranged circumferentially for clutch auxiliary oil cylinder (8).
5. a kind of oil cylinder of wet shifting clutch as claimed in claim 4, which is characterized in that
Shunting through slot described in every group is made of symmetrically arranged two diversion channels (9-1) respectively;
The diversion channel (9-1) includes:Set on the inner wall of ring body crescent moon collecting tank (9-2) and with the crescent moon collecting tank
The rectangle circulation groove (9-3) of (9-2) connection;
The auxiliary oil cylinder radial direction oil and the master cylinder radial direction oil pass through the crescent moon collecting tank (9- of the diversion channel (9-1)
2) respectively with the clutch auxiliary oil cylinder (8) and the clutch master cylinder (1) connection;
One end of the master cylinder axial direction oil duct is equipped with oil and blocks up (9-4), and the other end is the outer rim of the auxiliary oil cylinder (8).
6. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that
The clutch auxiliary oil cylinder assembly (6) passes through the bolt (7) being axially arranged with the master cylinder (1) and is fixedly connected.
7. a kind of oil cylinder of wet shifting clutch as claimed in claim 6, which is characterized in that
The bolt (7) is the bolt that circumferential setting and number are at least 16.
8. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that
The oil cylinder further includes:O-ring seal (5) and L-type sealing ring (3);
The O-ring seal (5) is radially set between the flow ring (9) and the piston (2);
The number of the L-type sealing ring (3) is 2, and the L-type sealing element (3) of one of them is radially set to the clutch pair
Between oil cylinder (8) and the piston (2), another L-type sealing element (3) be radially set to the clutch master cylinder (1) with it is described
Between piston (2).
9. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that
In the cavity that the clutch auxiliary oil cylinder assembly (6) and the clutch master cylinder (1) are formed with the piston (2) respectively
Outer diameter is identical.
10. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that
The elastic component (4) is helical spring.
11. a kind of oil cylinder of wet shifting clutch as described in claim 1, which is characterized in that
The elastic component (4) includes that following components by mass percentage are made:C:0.21%, Mn:0.55%, Si:
1.1%, Cr:0.10%, Nb:0.03%, V:0.04%, Ti:0.09%, Al:0.11%, remaining is Fe and not removable
Impurity.
12. a kind of oil cylinder of wet shifting clutch as claimed in claim 8, which is characterized in that
The O-ring seal (5) and the L-type sealing ring (3) respectively include following components according to parts by weight and are made:Neoprene
85 parts of rubber CR2442,25 parts of lightweight carbon black AB770,5 parts of antioxidant MB, 1.0 parts of cumyl peroxide, three second of phenyl
3.4 parts of oxysilane, 1,035 2.2 parts of antioxidant, modified 4.5 parts of adopting iron ore tailings, 1.2 parts of decanedioic acid propanediol polyester and average
Add 2.5 parts of O.
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