CN108105278B - Wet clutch assembly - Google Patents
Wet clutch assembly Download PDFInfo
- Publication number
- CN108105278B CN108105278B CN201810063522.4A CN201810063522A CN108105278B CN 108105278 B CN108105278 B CN 108105278B CN 201810063522 A CN201810063522 A CN 201810063522A CN 108105278 B CN108105278 B CN 108105278B
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- China
- Prior art keywords
- oil
- disc
- clutch
- assembly
- oil cylinder
- 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.)
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- 239000003921 oil Substances 0.000 claims description 287
- 239000010724 circulating oil Substances 0.000 claims description 95
- 239000000758 substrate Substances 0.000 claims description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 238000013016 damping Methods 0.000 claims description 33
- 210000004907 gland Anatomy 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000002679 ablation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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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
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
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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
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
- F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention relates to clutches having multiple stacked plates, and more particularly to a wet clutch assembly. The crankshaft connecting disc, the shell and the compressing mechanism form a closed space, and the driven disc assembly is arranged between the shell and the compressing mechanism; the driven disc assembly comprises an oil-resistant friction piece assembly and a disc hub connected with a driven shaft through a spline, the outer edge of the oil-resistant friction piece assembly is connected with the shell teeth, and the inner edge of the oil-resistant friction piece assembly is connected with the disc hub teeth; the pressing mechanism comprises a pressing plate, a hard spring and a clutch oil cylinder assembly, wherein the pressing plate is in combined contact with the oil-resistant friction piece, the pressing plate is connected with the shell through a pressing plate return spring, one end of the hard spring faces the pressing plate, and the other end of the hard spring is in contact with the clutch oil cylinder assembly; the oil resistant friction member is disposed in combination between the housing and the pressure plate. The high-temperature ablation problem of the clutch is solved, the abrasion-free working mode of the clutch is realized, the service life of the clutch is greatly prolonged, and the transmission torque is increased.
Description
Technical Field
The present invention relates to a clutch having a plurality of stacked plates, and more particularly to a wet clutch assembly.
Background
At present, the existing dry clutch comprises a clutch cover assembly and a clutch driven plate assembly, wherein a dry friction plate is arranged on the clutch driven plate assembly, and friction can be generated between the friction plate and the clutch cover assembly in the actual working process. Particularly, the friction plate is used on a vehicle with extremely severe working conditions or in a semi-linked state between the friction plate and the cover assembly for a long time, the friction plate and the cover assembly are in a friction state for a long time, high temperature of more than 350 ℃ can be instantaneously generated in the friction process, and the temperature critical value of the conventional dry friction plate is about 350 ℃, so that the friction plate is easy to burn; in addition, friction between the friction plate and the clutch cover assembly at a high temperature state can lead to accelerated abrasion of the friction plate, so that when the clutch with the existing structure is used on a vehicle with extremely severe working conditions or in a semi-linked state between the friction plate and the cover assembly for a long time, once the clutch is ablated, the clutch must be scrapped and replaced, and the clutch is frequently replaced, so that the working efficiency of the vehicle is greatly reduced, and the use cost of the vehicle is increased.
The invention patent application number 201510203061.2, entitled "wet clutch assembly", discloses a wet clutch assembly that overcomes the above-described problems with existing clutches, but that transmits little torque, and that requires a large force to be applied to the clutch pedal in use to disengage the clutch, increasing the difficulty of operation by the user during use.
Disclosure of Invention
The invention aims to overcome the defects of the existing clutch, and provides a wet clutch assembly, which not only solves the problem of high-temperature ablation of the clutch, realizes a wear-free working mode of the clutch, greatly prolongs the service life of the clutch, but also increases the transmission torque.
The invention is realized by adopting the following technical scheme: a wet clutch assembly comprises a crankshaft connecting disc and a shell, wherein the wet clutch assembly also comprises a driven disc assembly and a pressing mechanism;
One end of the shell is fixedly connected with the crankshaft connecting disc, the other end of the shell is fixedly connected with the compressing mechanism, the crankshaft connecting disc, the shell and the compressing mechanism form a closed space, the driven disc assembly is arranged in the closed space, and the driven disc assembly is arranged between the shell and the compressing mechanism;
The driven disc assembly comprises an oil-resistant friction piece assembly and a disc hub connected with a driven shaft through a spline, the outer edge of the oil-resistant friction piece assembly is connected with the shell teeth, and the inner edge of the oil-resistant friction piece assembly is connected with the disc hub teeth;
the pressing mechanism comprises a pressing plate, a hard spring and a clutch oil cylinder assembly, wherein the pressing plate is in combined contact with the oil-resistant friction piece, the pressing plate is connected with the shell through a pressing plate return spring, one end of the hard spring faces the pressing plate, and the other end of the hard spring is in contact with the clutch oil cylinder assembly;
the oil resistant friction member is disposed in combination between the housing and the pressure plate.
According to the invention, the shell comprises a flywheel disc, a clutch outer ring and a clutch cover, wherein the flywheel disc is fixedly connected with the outer circular end face of a crankshaft connecting disc, the clutch outer ring is fixedly connected with the outer circular end face of the flywheel disc, one end of the clutch cover is fixedly connected with the outer circular end face of the clutch outer ring, the other end of the clutch cover is fixedly connected with a clutch oil cylinder assembly, an oil-resistant friction piece combination is arranged between the flywheel disc and a pressure disc, and the oil-resistant friction piece combination is connected with inner wall teeth of the clutch outer ring.
At this time, can set up dish spring II between pressure disk and the rigid spring, be equipped with the clearance between rigid spring and the pressure disk, dish spring II sets up in this clearance, is the adjustable connection in clearance between rigid spring and the pressure disk, sets up the fulcrum on the opposite face of pressure disk and rigid spring respectively, and dish spring II is fixed between two fulcra. The disc spring is not arranged between the pressure plate and the hard spring, and one end of the hard spring is contacted with the pressure plate.
Another structure of the housing in the present invention is: the shell comprises a flywheel disc, a clutch outer ring, a disc spring III, a disc spring limiting plate and a clutch cover, wherein the clutch outer ring is fixedly connected with the outer circular end face of a crankshaft connecting disc, one end of the clutch cover is fixedly connected with the outer circular end face of the clutch outer ring, the other end of the clutch cover is fixedly connected with a clutch oil cylinder assembly, a disc spring limiting plate and a flywheel disc are arranged between the crankshaft connecting disc and an oil-resistant friction piece combination, a gap is arranged between the disc spring limiting plate and the flywheel disc, the disc spring III is arranged in the gap, the disc spring limiting plate is connected with the crankshaft connecting disc, the flywheel disc is in combined contact with the oil-resistant friction piece, the disc spring limiting plate is in self-adjusting connection with the flywheel disc at intervals, and the clutch outer ring is in sliding connection with the flywheel disc. At this time, one end of the hard spring is in contact with the pressure plate.
The clutch outer ring is connected with the pressure plate in a sliding manner, and the pressure plate is connected with the clutch outer ring through a pressure plate return spring.
The oil-resistant friction piece assembly comprises steel sheets, paper substrates and separating springs, wherein the steel sheets and the paper substrates are arranged at staggered intervals, the paper substrates are arranged on one side or two sides of the steel sheets and/or the paper substrates, the paper substrates are arranged between the oil-resistant friction piece assembly and the shell and between the oil-resistant friction piece assembly and the pressure plate, the outer edges of the steel sheets are connected with clutch outer ring teeth, the separating springs are arranged between the outer edges of adjacent steel sheets, and the inner edges of the paper substrates are connected with hub teeth.
The other structure of the oil-resistant friction piece combination is as follows: the clutch comprises steel sheets, paper substrates and separating springs, wherein the steel sheets and the paper substrates are arranged at staggered intervals, the paper substrates are arranged on one side or two sides of the steel sheets and/or the paper substrates, the paper substrates are arranged between an oil-resistant friction piece combination and a shell and between the oil-resistant friction piece combination and a pressure plate, the inner edges of the steel sheets are connected with hub teeth, the separating springs are arranged between the outer edges of the adjacent paper substrates, and the outer edges of the paper substrates are connected with clutch outer ring teeth.
The driven plate assembly further comprises a damping system, the damping system is arranged in the plate hub, the damping system comprises damping springs and damping plates, a plurality of windows are arranged in the plate hub, the damping springs are arranged in the windows, the inner circular end face and the outer circular end face of the plate hub are respectively provided with the damping plates, the plate hub is fixedly connected with the damping plates, a fixed washer and a friction washer are arranged between the plate hub and the damping plates at intervals, and a disc spring I is arranged between the fixed washer and the damping plates. When the torque is excessive, vibrations in the clutch are reduced by the damping system.
The clutch oil cylinder assembly comprises an oil cylinder fixing sleeve, a circulating oil fixing sleeve, a piston, an outer cylinder sleeve and an oil cylinder main body arranged on the annular outer side of the driven shaft, and the oil cylinder main body is fixedly connected with the shell; the oil cylinder fixing sleeve and the circulating oil fixing sleeve are arranged on the axial annular outer side of the oil cylinder main body, a bearing and a sealing device are arranged between the oil cylinder fixing sleeve and the oil cylinder main body, an outer cylinder sleeve is fixed on one side of the oil cylinder main body facing the hard spring, an axial groove is arranged between the outer cylinder sleeve and the axial outer wall of the oil cylinder main body, a piston is arranged in the axial groove, and the piston is in contact with the hard spring;
The oil cylinder fixing sleeve and the oil cylinder main body are internally provided with an oil duct, the piston is communicated with the oil duct, a sealing device is arranged between the piston and the axial outer wall of the oil cylinder main body, and a sealing device is arranged between the piston and the axial inner wall of the outer cylinder sleeve;
The circulating oil fixing sleeve is positioned between the oil cylinder fixing sleeve and the driven shaft gland, one end of the circulating oil fixing sleeve is fixedly connected with the driven shaft gland, the other end of the circulating oil fixing sleeve is fixedly connected with a spigot between the oil cylinder fixing sleeve, and a sealing device is arranged between the circulating oil fixing sleeve and the oil cylinder main body;
An oil inlet passage is arranged in the circulating oil fixing sleeve.
An oil inlet passage is arranged in the oil cylinder main body, the oil inlet passage of the oil cylinder main body is communicated with the oil inlet passage in the circulating oil fixing sleeve, and the oil inlet passage of the oil cylinder main body is communicated with the outer ring of the clutch through a connecting oil pipe. Or an oil inlet passage and an oil hole are arranged in the driven shaft, and the oil inlet passage in the driven shaft is communicated with the oil inlet passage in the circulating oil fixing sleeve.
The oil cylinder comprises an oil cylinder body, wherein an oil inlet passage is arranged in the oil cylinder body, the oil inlet passage of the oil cylinder body is communicated with the oil inlet passage in a circulating oil fixing sleeve, one end, connected with inner edge teeth of an oil-resistant friction piece combination, of a disc hub is bent towards the direction of a shell, a groove is formed in the end, connected with the inner edge teeth of the oil-resistant friction piece combination, of the disc hub, a circulating oil guide pipe is arranged at one end, fixedly connected with the shell, of the oil cylinder body, one end of the circulating oil guide pipe is fixedly connected with the oil cylinder body, the other end of the circulating oil guide pipe penetrates through a hard spring and stretches into the groove at the connecting end of the inner edge teeth of the disc hub and the oil-resistant friction piece combination, and the oil inlet passage of the oil cylinder body is arranged in a circulating oil guide pipe and is communicated with the oil inlet passage of the circulating oil guide pipe.
The circulating oil fixing sleeve and the oil cylinder main body can be of an integrated structure or a split structure; the circulating oil fixing sleeve and the driven shaft gland can be in an integrated structure or a split structure.
The beneficial effects of the invention are as follows:
(1) The wet type working mode solves the problem of high-temperature ablation of the clutch, realizes a wear-free working mode of the clutch, greatly prolongs the service life of the clutch, improves the working efficiency of the vehicle and prolongs the service life of the vehicle;
(2) The transmission torque of the clutch is greatly improved, and compared with the existing clutch structure, the transmission torque of the clutch can reach thousands of newtons per meter; meanwhile, vibration generated by overlarge transmission torque is absorbed and buffered through the damping system, normal and stable operation of the clutch is guaranteed, and driving comfort of a driver is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in embodiment 1;
FIG. 2 is a schematic structural view of the present invention in embodiment 2;
FIG. 3 is a schematic view of the structure of the present invention in embodiment 4;
FIG. 4 is a schematic view of the structure of the present invention in embodiment 5;
FIG. 5 is a schematic view of the structure of the present invention in embodiment 7;
FIG. 6 is a schematic view of the structure of the present invention in embodiment 8;
FIG. 7 is a schematic view of the structure of the present invention in embodiment 10;
FIG. 8 is a schematic view of the structure of the present invention in embodiment 11;
FIG. 9 is a schematic view of the structure of the present invention in embodiment 12;
FIG. 10 is a schematic view of the structure of the present invention in embodiment 13;
FIG. 11 is a schematic view of the structure of the present invention in embodiment 14;
Fig. 12 is a schematic view of the structure of the present invention in embodiment 15.
In the figure: 3, fastening a bolt I; 4, a steel sheet separating spring; 5, limiting bolts; 6 an inner toothed disc hub; 7, an outer damping spring; 8, an inner damping spring; 10 disc hub limit bearing fixing sleeve; 11 disc hub limit bearings; 12 driven shaft bearings; 13, a disc hub limiting spring; 14 limiting spring seats of the disk hubs; 15 disc hubs I; 16 driven disc assembly rivets; 17 belleville springs I; 18 fixing the gasket; 19 friction washers; 20 damping disc; a21 flywheel disc; 22 crankshaft connecting plates; 23O-shaped ring I; a 25 pressure plate return spring; 27 clutch outer ring; a 28 platen; 29 paper substrate; 30 steel sheets; 31 disc spring II; 33 fastening bolts II; 34 locating pins; 35 oil cylinder rotating bearings; 36 a sealing ring; 37 oil seals; 39 driven shafts; 40 cylinder main body; 41 a driven shaft gland; 42 locating pin fixing plates; 43 circulating oil fixing sleeve; 44 cylinder fixing sleeves; 45O-shaped ring II; a 46 piston; 47O-ring iii; 48 outer cylinder sleeve fastening bolts; 49 connecting rivets; 50 connecting an oil pipe; 51O-shaped ring IV; 52 outer cylinder sleeve; 53 hard springs; 54 a clutch cover; 56 disc spring III; 57 disc spring limit plates; a 58 cycle oil conduit; 59 disc hub backstop.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the wet clutch assembly includes a crankshaft connecting disc 22, a housing, a driven disc assembly and a pressing mechanism, and a driven shaft bearing 12 is provided between the inner surface of the crankshaft connecting disc 22 and a driven shaft 39. One end of the shell is fixedly connected with the crankshaft connecting disc 22, the other end of the shell is fixedly connected with the compressing mechanism, the crankshaft connecting disc 22, the shell and the compressing mechanism form a closed space, the driven disc assembly is arranged in the closed space, and the driven disc assembly is arranged between the shell and the compressing mechanism; the driven disc assembly comprises an oil-resistant friction piece assembly and a disc hub connected with a driven shaft through a spline, the outer edge of the oil-resistant friction piece assembly is connected with the shell teeth, and the inner edge of the oil-resistant friction piece assembly is connected with the disc hub teeth; the pressing mechanism comprises a pressing plate 28, a hard spring 53 and a clutch oil cylinder assembly, wherein the pressing plate 28 is in combined contact with the oil-resistant friction piece, the pressing plate 28 is connected with the shell through a pressing plate return spring 25, one end of the hard spring 53 faces the pressing plate 28, and the other end of the hard spring 53 is in contact with the clutch oil cylinder assembly; the oil resistant friction pack is disposed between the housing and the pressure plate 28.
In this embodiment, a gap is provided between the pressure plate 28 and the hard spring 53, the disc spring ii 31 is disposed in the gap, the opposite surfaces of the pressure plate 28 and the hard spring 53 are respectively provided with a fulcrum, and the disc spring ii 31 is fixed between the two fulcrums. Through setting up dish spring II, when the pressure disk compresses tightly, the elasticity adjustment effect through dish spring II makes the pressure disk atress even, makes whole clutch be in steady operating condition all the time. The pressure plate 28 is connected with the hard spring 53 in a clearance self-adjusting mode, namely the pressure plate is connected with the hard spring 53 through the limit bolt 5, wherein a screw rod of the limit bolt 5 is arranged in the pressure plate 28, the head of the limit bolt is arranged in the hard spring 53, the head of the limit bolt is in a ladder shape, a corresponding ladder hole is formed in the hard spring 53, the ladder-shaped head of the limit bolt is arranged in the ladder hole of the hard spring, and the ladder-shaped head and the ladder hole can slide relatively, so that the hard spring can slide along the head of the limit bolt for a certain distance, and the clearance between the pressure plate and the hard spring is changed, and is generally between 0.2 mm and 2 mm. The gap between the pressure plate 28 and the hard spring 53 is automatically adjusted by the pressing force of the pressing system and the disc spring ii 31.
The driven shaft gland 41 is provided on the driven shaft 39, and an oil seal 37 is provided between the driven shaft gland 41 and the driven shaft 39. A locating pin fixing plate 42 is fixed on the inner circular end surface of the driven shaft gland 41, and the locating pin fixing plate 42 is connected with the clutch oil cylinder assembly through a pin. In the present invention, the driven shaft gland 41 and the positioning pin fixing plate 42 may be in an integrated structure, and the driven shaft gland 41 is directly connected with the clutch cylinder assembly through a pin.
In this embodiment, the shell includes flywheel disc 21, clutch outer lane 27 and clutch cover 54, flywheel disc 21 and the outer terminal surface fixed connection of bent axle connection pad 22, be equipped with O type circle I23 between flywheel disc 21 and the clutch outer lane 27, play sealed effect, the one end of clutch cover 54 and the outer terminal surface fixed connection of clutch outer lane 27, the other end and the clutch hydro-cylinder assembly fixed connection of clutch cover 54, pass through fastening bolt I3 in proper order fixed connection between bent axle connection pad 22, flywheel disc 21, clutch outer lane 27 and the clutch cover 54. An oil-resistant friction piece combination is arranged between the flywheel disc 21 and the pressure plate 28, and the oil-resistant friction piece combination is connected with the inner wall teeth of the clutch outer 27. The sliding connection between the pressure plate 28 and the clutch outer 27 can be realized by adopting the following structure: a chute is arranged in the clutch outer 27, the outer edge of the pressure plate 28 is arranged in the chute of the clutch outer 27, and the pressure plate 28 is connected with the clutch outer 27 through a pressure plate return spring 25.
The oil-resistant friction piece assembly comprises a steel sheet 30, a paper substrate 29 and a steel sheet separating spring 4, wherein the steel sheet 30 and the paper substrate 29 are arranged at staggered intervals, the paper substrate 29 is arranged on one side or both sides of the steel sheet and/or the paper substrate, the paper substrate 29 is arranged between the oil-resistant friction piece assembly and the flywheel disc 21 and between the oil-resistant friction piece assembly and the pressure disc 28, the outer edge of the steel sheet 30 is in tooth connection with the clutch outer ring 27, namely through tooth connection, the clutch outer ring can drive the oil-resistant friction piece assembly to rotate, and meanwhile the oil-resistant friction piece assembly can also slide along the clutch outer ring. A steel sheet separating spring 4 is arranged between the outer edges of the adjacent steel sheets 30, when the clutch is separated, the distance between the steel sheets is ensured to be the same through the steel sheet separating spring, and the situation that the vehicle is in a semi-clutch state due to uneven spacing between the steel sheets is prevented. The steel sheet separation spring 4 may not be provided between the outer edges of the adjacent steel sheets 30. The inner edge of the paper substrate 29 is connected to the hub teeth.
During torque transfer, particularly when torque transfer is large, large vibrations may occur within the clutch assembly. In order to overcome the problem, the driven disc assembly comprises a damping system, and the damping system plays a role in damping and buffering to prevent the impact of vibration on parts such as a differential, a rear axle, a half axle and the like. In this embodiment, the damper system includes an outer damper spring 7, an inner damper spring 8, and a damper disc 20, the hub including a hub I15 and an inner gear hub 6, wherein the hub I15 is spline-connected with the driven shaft 39, the inner gear hub 6 is tooth-connected with the inner edge of the paper substrate 29, and the hub 15 is disposed in the center hole of the inner gear hub 6. The inner gear disk hub 6 is provided with a plurality of windows, and the outer damping spring 7 and the inner damping spring 8 are arranged in the windows of the inner gear disk hub 6, wherein the inner damping spring 8 is arranged in the outer damping spring 7. The outer and inner end surfaces of the inner gear disc hub 6 and the disc hub 15 are respectively provided with a damper disc 20, so that the outer damper springs 7 and the inner damper springs 8 are limited in the damper disc 20. The disc hub 15 is fixedly connected with the shock-absorbing disc 20 through the driven disc assembly rivet 16, a fixed washer 18 and a friction washer 19 are arranged between the shock-absorbing disc 20 and the inner fluted disc hub 6 at intervals, a disc spring I17 is arranged between the fixed washer 18 and the shock-absorbing disc 20, the fixed connection between the inner fluted disc hub 6 and the shock-absorbing disc 20 is realized through the fixed washer 18 and the friction washer 19, and meanwhile the disc spring I17, the fixed washer 18 and the friction washer 19 also play a role in buffering. In the present invention, the driven disc assembly may not include the disc spring i 17, the fixing washer 18, and the friction washer 19.
In the present invention, the hub i 15 and the internal gear hub 6 may be an integral structure, i.e., an integral hub, in which case the spring may be directly disposed in the hub. The springs arranged in the disk hub can be double springs described in the embodiment, or single springs, namely, a damping spring is arranged in the disk hub.
A hub limit bearing fixing sleeve 10 is arranged between the hub 15 and the crankshaft connecting disc 22, the hub limit bearing fixing sleeve 10 is fixed on the crankshaft connecting disc 22, and a hub limit bearing 12 is arranged between the hub limit bearing fixing sleeve 10 and the hub 15. The other side of the disk hub 15 is correspondingly provided with a disk hub limiting seat 14, the disk hub limiting seat 14 is fixed on a driven shaft 39, and the disk hub fixing seat 14 is connected with the disk hub 15 through a disk hub limiting spring 13. The limiting function is provided for the hub 15 by the hub limiting bearing 12 and the hub limiting spring 13.
Engagement and disengagement of the clutch is accomplished by a clutch cylinder assembly. In this embodiment, the clutch cylinder assembly includes a cylinder fixing sleeve 44, a driven shaft gland 41, a piston 46, an outer cylinder sleeve 52, and a cylinder body 40 disposed on the annular outer side of the driven shaft, where the cylinder body 40 is disposed in an inner hole of a clutch cover 54 and fixedly connected with the clutch cover 54 through a connecting rivet 49. The cylinder fixing sleeve 44 and the driven shaft gland 41 are arranged on the axial annular outer side of the cylinder main body 40, and a sealing device and a cylinder rotating bearing 35 are arranged between the cylinder fixing sleeve 44 and the cylinder main body 40 so as to ensure concentricity of the cylinder fixing sleeve 44 and the cylinder main body 40. An outer cylinder sleeve 52 is fixed on one side of the cylinder body 40, facing the hard spring, the outer cylinder sleeve 52 is fixedly connected with the cylinder body 40 through an outer cylinder sleeve fixing bolt 48, an axial groove is formed between the outer cylinder sleeve 52 and the axial outer wall of the cylinder body 40, a piston 46 is arranged in the axial groove, and the piston 46 is in contact with the hard spring 53. The oil cylinder fixing sleeve 44 and the oil cylinder main body 40 are internally provided with oil channels, and the tail ends of the oil channels are respectively provided with an oil channel blocking wire so as to prevent hydraulic oil from leaking to the outside. The piston 46 communicates with the oil passage, and the piston 46 is controlled to move axially in the axial groove by the pressure of the hydraulic oil. An O-shaped ring II 45 for sealing is arranged between the axial inner wall of the piston 46 and the oil cylinder main body 40, an O-shaped ring III 47 for sealing is arranged between the axial outer wall of the piston 46 and the outer cylinder sleeve 52, and an O-shaped ring IV 51 for sealing is arranged between the outer cylinder sleeve 52 and the oil cylinder main body 40.
A seal ring 36 is provided between the circulating oil fixing sleeve 43 and the cylinder body 40. The circulating oil fixing sleeve 43 is positioned between the oil cylinder fixing sleeve 44 and the positioning pin fixing plate 42, one end of the circulating oil fixing sleeve 43 is fixedly connected with the positioning pin fixing plate 42 through the positioning pin 34, and the other end of the circulating oil fixing sleeve 43 is fixedly connected with the oil cylinder fixing sleeve 44 through a spigot of the fastening bolt II 33 so as to ensure concentricity of the circulating oil fixing sleeve 43 and the oil cylinder main body 40. An oil inlet passage is arranged in the circulating oil fixing sleeve 43, and correspondingly, an oil inlet passage is also arranged in the oil cylinder main body 10, and the oil inlet passage of the oil cylinder main body is communicated with the clutch outer 27 through a connecting oil pipe 50. The circulating oil sequentially passes through the circulating oil fixing sleeve 43 and the oil inlet passage in the oil cylinder main body 40, enters the clutch outer ring 27, flows into the oil-resistant friction member assembly along gaps among the components, fills the space between the paper substrate 29 and the steel sheet 30, forms oil-based friction between the paper substrate 29 and the steel sheet 30, and can reduce the temperature generated by friction between the paper substrate 29 and the steel sheet 30. In the present invention, the circulating oil fixing sleeve 43 may be integrally formed with the cylinder fixing sleeve 44, and the circulating oil fixing sleeve 43 may be integrally formed with the positioning pin fixing plate 42 and the driven plate pressing cover 41.
The working principle of the clutch assembly is as follows: the circulating oil sequentially enters the clutch outer 27 through the circulating oil fixing sleeve and the oil inlet passage in the oil cylinder main body, and flows into the oil-resistant friction member assembly along gaps among the components, and at the moment, the circulating oil is filled between the paper substrate 29 and the steel sheet 30, so that oil friction is formed between the paper substrate 29 and the steel sheet 30, and meanwhile, the temperature generated by friction between the paper substrate 29 and the steel sheet 30 can be reduced. When the clutch is in the engaged state, the clutch pedal is in the highest position, hydraulic oil with larger oil pressure enters the oil duct of the oil cylinder main body 40, the piston 46 is pushed by the pressure of the hydraulic oil to mutually compress the hard spring 53, the pressure plate 28, the oil-resistant friction piece combination, the flywheel disc 21 and the crankshaft connecting disc 22, and the torque of the engine is transmitted to the oil-resistant friction piece combination through the flywheel disc 21 and the pressure plate 28 and then transmitted to the driven shaft 39 through the oil-resistant friction piece combination and the rotary connecting assembly. In the process of mutual compression, the pressure plate return spring 25 between the pressure plate 28 and the clutch outer 27 is compressed, so that thrust is generated in the spring. When the clutch is disengaged, the clutch pedal is depressed, the oil pressure of the hydraulic oil supplied to the cylinder main body 40 becomes small, the pressure plate return spring 25 is restored, the pressure plate 28 is moved backward by the return force of the pressure plate return spring 25, a gap is generated between the pressure plate 28, the oil-resistant friction member combination and the flywheel disc 21, and the friction moment acting on the oil-resistant friction member combination disappears, interrupting the power transmission. After the clutch pedal is reset, under the action of the clutch oil cylinder assembly, the piston 46 pushes again to mutually press the hard spring 53, the pressure plate 28, the oil-resistant friction piece combination, the flywheel disc 21 and the crankshaft connecting disc 22, so that the clutch is in a combined state again.
Example 2
As shown in fig. 2, unlike example 1, there is: the driven disc assembly of this embodiment does not include a shock absorbing system, i.e., the annular outer surface of the hub is toothed with the inner edge of the paper substrate 29 and the annular inner surface of the hub is splined to the driven shaft 39. The connection between the oil-resistant friction piece combination and the driven shaft in the embodiment is a rigid connection piece.
Otherwise, the same as in example 1 was conducted.
Example 3
Unlike example 1, the following is: in this embodiment, an oil inlet passage and an oil hole are provided in the driven shaft, and the oil inlet passage of the circulating oil fixing sleeve is communicated with the oil inlet passage in the driven shaft, so that the oil inlet passage is not required to be provided in the cylinder main body. The circulating oil enters the clutch through the circulating oil cylinder sleeve, the oil inlet passage of the driven shaft and the oil hole, and flows into the oil-resistant friction piece combination along gaps among the components.
Otherwise, the same as in example 1 was conducted.
Example 4
Fig. 3 is a wet clutch assembly as shown in example 4. Unlike embodiment 1, the circulating oil cylinder liner is of an integral structure with the driven disc gland 41, and thus the oil intake passage of the circulating oil is provided in the driven disc gland 41. An oil inlet passage and an oil hole are provided in the driven shaft 39, and the oil inlet passage communicates with the oil inlet passage in the driven plate cover 41, so that the oil inlet passage does not need to be provided in the cylinder main body 40. The circulating oil sequentially passes through the oil inlet passages and the oil holes of the driven plate gland 41 and the driven shaft 39 into the clutch, and flows into the oil-resistant friction member combination along the gaps between the respective members.
The circulating oil cylinder sleeve can also be in an integrated structure with the oil cylinder sleeve 44, and at the moment, an oil inlet passage of circulating oil is arranged in the oil cylinder sleeve 44, and the oil inlet passage in the oil cylinder sleeve 44 is communicated with the oil inlet passage in the driven shaft.
Otherwise, the same as in example 1 was conducted.
Example 5
As shown in fig. 4, unlike example 3, there is: the driven disc assembly of this embodiment does not include a shock absorbing system, i.e., the annular outer surface of the hub is toothed with the inner edge of the paper substrate 29 and the annular inner surface of the hub is splined to the driven shaft 39. The connection between the oil-resistant friction piece combination and the driven shaft in the embodiment is a rigid connection piece.
Otherwise, the same as in example 4.
Example 6
Unlike example 4, there were no oil inlet passage and oil hole provided in the driven shaft, and an oil inlet passage was provided in the cylinder main body. The oil inlet passage in the circulating oil fixing sleeve is communicated with the oil inlet passage in the oil cylinder main body, and the oil inlet passage of the oil cylinder main body is communicated with the outer ring of the clutch through a connecting oil pipe. The circulating oil sequentially passes through the circulating oil fixing sleeve and the oil inlet passage in the oil cylinder main body, enters the clutch outer ring, flows into the oil-resistant friction piece assembly along gaps among the parts, is filled between the paper substrate and the steel sheet at the moment, so that oily friction is formed between the paper substrate and the steel sheet, and meanwhile, the temperature generated by friction between the paper substrate and the steel sheet can be reduced.
Otherwise, the same as in example 4.
Example 7
Fig. 5 is a wet clutch assembly as shown in example 7. Unlike embodiment 1, there is no disc spring between the hard spring 53 and the pressure plate 28, and one end of the hard spring 53 is in contact with the pressure plate 28. The driven disc gland 41 is connected with the circulating oil fixing sleeve 43 through the locating pin 34. An oil seal 37 is provided between the inner surface of the driven shaft gland 41 and the driven shaft 39, and an oil seal 36 is provided between the inner surface of the circulating oil fixing sleeve 43 and the cylinder body 40.
The inner surface of the driven plate gland 41 may also be fixed with a locating pin fixing plate, and the locating pin fixing plate is in pin connection with the circulating oil fixing sleeve.
The circulating oil fixing sleeve 43 may be of an integral structure with the cylinder fixing sleeve 44, and the circulating oil fixing sleeve 43 may be of an integral structure with the driven shaft platen 41.
Otherwise, the same as in example 1 was conducted.
Example 8
As shown in fig. 6, unlike example 7, there is: the driven disc assembly of this embodiment does not include a shock absorbing system, i.e., the annular outer surface of the hub is toothed with the inner edge of the paper substrate 29 and the annular inner surface of the hub is splined to the driven shaft 39. The connection between the oil-resistant friction piece combination and the driven shaft in the embodiment is a rigid connection piece.
Otherwise, the same as in example 7.
Example 9
Unlike example 7, the following is: an oil inlet passage and an oil hole are arranged in the driven shaft, and the oil inlet passage is communicated with an oil inlet passage in the circulating oil cylinder sleeve, so that the oil inlet passage is not required to be arranged in the oil cylinder main body. The circulating oil sequentially enters the clutch through the circulating oil cylinder sleeve, the oil inlet passage of the driven shaft and the oil hole, and flows into the oil-resistant friction piece combination along gaps among the components.
Otherwise, the same as in example 7.
Example 10
Fig. 7 is a wet clutch assembly shown in this embodiment, which differs from embodiment 1 in that: one end of the hard spring 53 is in contact with the pressure plate 28, and no disc spring is provided between the hard spring 53 and the pressure plate 28. The housing includes flywheel disc 21, clutch outer 27, disc spring III 56, disc spring retainer 57 and clutch cover 54. The clutch outer 27 is fixedly connected with the outer circular end surface of the crankshaft connecting disc 22, one end of the clutch cover 54 is fixedly connected with the outer circular end surface of the clutch outer 27, and the other end of the clutch cover 54 is fixedly connected with the oil cylinder main body 44 of the clutch oil cylinder assembly. A disc spring limiting plate 57 and a flywheel disc 21 are arranged between the crankshaft connecting disc 22 and the oil-resistant friction piece combination, wherein the disc spring limiting plate 57 is connected with the crankshaft connecting disc 22, and the flywheel disc 21 is contacted with the oil-resistant friction piece combination. A gap is arranged between the disc spring limiting plate 57 and the flywheel disc 21, the disc spring III 56 is arranged in the gap, supporting points are respectively arranged on opposite surfaces of the disc spring limiting plate 57 and the flywheel disc 21, and the disc spring III 56 is fixed between the two supporting points. The clutch outer 27 is slidably connected to the flywheel disk 21 by the following structure: the inner surface of the clutch outer 27 is provided with a chute, the outer edge of the flywheel disc 21 is arranged in the chute of the clutch outer 27, and the flywheel disc 21 is in sliding connection with the clutch outer 27. Or the clutch outer 27 and the flywheel disc 21 are in tooth connection, and through tooth connection, the clutch outer 27 can drive the flywheel disc 21 to rotate, and meanwhile, the flywheel disc 21 can also slide along the clutch outer 27. By arranging the disc spring III 56, when the oil-resistant friction piece combination is pressed, the oil-resistant friction piece combination is uniformly stressed through adjustment of the disc spring III 56, so that the whole clutch is always in a stable working state.
The disc spring limiting plate 57 is in clearance self-adjusting connection with the flywheel disc 21, namely the flywheel disc is connected with the disc spring limiting plate 57 through a limiting bolt, wherein a screw rod of the limiting bolt is arranged in the disc spring limiting plate 57 and is connected with the disc spring limiting plate 57 and the crankshaft connecting disc 22. The head of the limit bolt is arranged in the flywheel disc 21, the head of the limit bolt is in a ladder shape, a ladder hole is correspondingly formed in the flywheel disc 21, the ladder-shaped head of the limit bolt is arranged in the ladder hole of the hard spring, and the ladder-shaped head and the ladder hole can slide relatively, so that the flywheel disc can slide along the head of the limit bolt for a certain distance, and a gap between the flywheel disc 21 and the disc spring limit plate 57 is changed, and the gap is generally between 0.2 mm and 2 mm. The gap between the disc spring limiting plate 57 and the flywheel disc 21 is automatically adjusted by the pressing force of the pressing system and the disc spring III 56.
The circulating oil cylinder sleeve and the driven plate gland 41 are in an integrated structure, so that an oil inlet passage of the circulating oil is provided in the driven plate gland 41. An oil inlet passage and an oil hole are provided in the driven shaft 39, and the oil inlet passage communicates with the oil inlet passage in the driven plate cover 41, so that the oil inlet passage does not need to be provided in the cylinder main body 40. The circulating oil sequentially passes through the oil inlet passages and the oil holes of the driven plate gland 41 and the driven shaft 39 into the clutch, and flows into the oil-resistant friction member combination along the gaps between the respective members.
The circulating oil cylinder sleeve can also be in an integrated structure with the oil cylinder sleeve 44, and at the moment, an oil inlet passage of circulating oil is arranged in the oil cylinder sleeve 44, and the oil inlet passage in the oil cylinder sleeve 44 is communicated with the oil inlet passage in the driven shaft.
Otherwise, the same as in example 1 was conducted.
Example 11
As shown in fig. 8, unlike embodiment 10, there is: the driven disc assembly of this embodiment does not include a shock absorbing system, i.e., the annular outer surface of the hub is toothed with the inner edge of the paper substrate 29 and the annular inner surface of the hub is splined to the driven shaft 39. The connection between the oil-resistant friction piece combination and the driven shaft in the embodiment is a rigid connection piece.
Otherwise, the same as in example 10.
Example 12
As shown in fig. 9, unlike in embodiment 1, the oil resistant friction member combination includes a steel sheet 30, a paper base sheet 29 and a paper base sheet separating spring, the steel sheet 30 and the paper base sheet 29 are disposed at staggered intervals, the paper base sheet 29 is disposed on one or both sides of the steel sheet and/or the paper base sheet, the paper base sheet 29 is disposed between the oil resistant friction member combination and the flywheel disc, and between the oil resistant friction member combination and the pressure plate, the outer edge of the paper base sheet 29 is tooth-connected with the clutch outer ring 27, that is, through tooth connection, the clutch outer ring can drive the oil resistant friction member combination to rotate, and the oil resistant friction member combination can slide along the clutch outer ring. A paper substrate separating spring is arranged between the outer edges of the adjacent paper substrates 29, and when the clutch is separated, the distance between the paper substrates is ensured to be the same through the paper substrate separating spring, so that the vehicle is prevented from being in a semi-clutch state due to uneven spacing between the paper substrates. The paper substrate separating springs may not be provided between the outer edges of the adjacent paper substrates 29. The inner edge of the steel sheet 30 is tooth-connected with the inner gear hub 6.
The inner gear disk hub 6 is in a folded line shape, that is, one end of the inner gear disk hub 6 connected with the inner edge teeth of the steel sheet 30 is folded towards the direction of the crankshaft connecting disc 22, and at this time, a groove is formed at the end of the inner gear disk hub 6 connected with the inner edge teeth of the steel sheet 30.
An oil inlet passage is arranged in the circulating oil fixing sleeve 43, an oil inlet passage is correspondingly arranged in the oil cylinder main body 40, and a circulating oil conduit 58 is arranged at one end of the oil cylinder main body 40 fixedly connected with the clutch cover 54. One end of the circulating oil conduit 58 is fixedly connected with the cylinder main body 40, and the other end of the circulating oil conduit 58 penetrates through the hard spring 53 and stretches into a groove at the inner edge tooth connecting end of the inner tooth disc hub 6 and the steel sheet 30. An oil inlet passage is provided in the circulation oil guide pipe 58, and the oil inlet passage of the cylinder main body 40 communicates with the oil inlet passage of the circulation oil guide pipe 58. The circulating oil flows through the circulating oil fixing sleeve 43, the oil cylinder main body 40 and the oil inlet passage of the circulating oil guide pipe 58 in sequence, and flows out of the circulating oil guide pipe 58, and then the circulating oil directly flows into the oil-resistant friction piece assembly, and at the moment, the space between the paper substrate 29 and the steel sheet 30 is filled with the circulating oil, so that oily friction is formed between the paper substrate 29 and the steel sheet 30, and meanwhile, the temperature generated by friction between the paper substrate 29 and the steel sheet 30 can be reduced. In the invention, the circulating oil fixing sleeve 43 and the oil cylinder fixing sleeve 44 can be in an integrated structure, and the circulating oil fixing sleeve 43 and the locating pin fixing plate and the driven plate gland can be in an integrated structure.
The cylinder body 40 is provided with a hub retaining ring 59 on the outer side of one end of the crankshaft connecting disc 22, and the hub retaining ring 59 is fixedly connected with the cylinder body 40. The disc hub retaining ring has the function of preventing the driven disc hub from falling off when the driven shaft is assembled or disassembled.
In this embodiment, the rigid spring 53 is provided with a reinforcing rib, so that the thickness of the rigid spring 53 can be reduced by providing the reinforcing rib, and the supporting strength of the rigid spring 53 can be ensured.
The contact of the piston 46 with the stiff spring 53 is provided with a rounded protrusion, i.e. a rounded protrusion is provided on the piston 46. At this time, the piston 46 and the hard spring 53 are in point contact, so that the position of the hard spring 53 is ensured.
Otherwise, the same as in example 1 was conducted.
Example 13
As shown in fig. 10, unlike example 12, there is: in this embodiment, a circular protrusion is disposed on the rigid spring 53 at the contact position with the piston 46, that is, the circular protrusion is disposed on the rigid spring 53, and at this time, the piston 46 and the rigid spring 53 are in point contact, so that the position of the rigid spring 53 is ensured.
Otherwise, the same as in example 12.
Example 14
As shown in fig. 11, unlike in example 1, the internal gear hub 6 has a folded line shape, that is, one end of the internal gear hub 6 connected to the internal edge teeth of the paper substrate 29 is folded toward the crank connecting disc 22, and at this time, the end of the internal gear hub 6 connected to the internal edge teeth of the paper substrate 29 forms a groove.
An oil inlet passage is arranged in the circulating oil fixing sleeve 43, an oil inlet passage is correspondingly arranged in the oil cylinder main body 40, and a circulating oil conduit 58 is arranged at one end of the oil cylinder main body 40 fixedly connected with the clutch cover 54. One end of the circulating oil guide pipe 58 is fixedly connected with the cylinder main body 40, and the other end of the circulating oil guide pipe 58 penetrates through the hard spring 53 and extends into the groove of the inner edge tooth connecting end of the inner tooth disk hub 6 and the paper substrate 29. An oil inlet passage is provided in the circulation oil guide pipe 58, and the oil inlet passage of the cylinder main body 40 communicates with the oil inlet passage of the circulation oil guide pipe 58. The circulating oil flows through the circulating oil fixing sleeve 43, the oil cylinder main body 40 and the oil inlet passage of the circulating oil guide pipe 58 in sequence, and flows out of the circulating oil guide pipe 58, and then the circulating oil directly flows into the oil-resistant friction piece assembly, and at the moment, the space between the paper substrate 29 and the steel sheet 30 is filled with the circulating oil, so that oily friction is formed between the paper substrate 29 and the steel sheet 30, and meanwhile, the temperature generated by friction between the paper substrate 29 and the steel sheet 30 can be reduced. In the invention, the circulating oil fixing sleeve 43 and the oil cylinder fixing sleeve 44 can be in an integrated structure, and the circulating oil fixing sleeve 43 and the locating pin fixing plate and the driven plate gland can be in an integrated structure.
The cylinder body 40 is provided with a hub retaining ring 59 on the outer side of one end of the crankshaft connecting disc 22, and the hub retaining ring 59 is fixedly connected with the cylinder body 40. The disc hub retaining ring has the function of preventing the driven disc hub from falling off when the driven shaft is assembled or disassembled.
The hard spring 53 is provided with a circular protrusion at the contact point with the piston 46, i.e. the circular protrusion is provided on the hard spring 53. At this time, the piston 46 and the hard spring 53 are in point contact, so that the position of the hard spring 53 is ensured.
Otherwise, the same as in example 1 was conducted.
Example 15
As shown in fig. 12, unlike embodiment 14, in this embodiment, the rigid spring 53 is provided with a reinforcing rib, and by providing the reinforcing rib, the thickness of the rigid spring 53 can be reduced and the supporting strength of the rigid spring 53 can be ensured.
Otherwise, the same as in example 14.
Claims (11)
1. A wet clutch assembly comprising a crankshaft connecting disc (22) and a housing, characterized in that: the device also comprises a driven disc assembly and a pressing mechanism;
one end of the shell is fixedly connected with the crankshaft connecting disc (22), the other end of the shell is fixedly connected with the compressing mechanism, the crankshaft connecting disc (22), the shell and the compressing mechanism form a closed space, the driven disc assembly is arranged in the closed space, and the driven disc assembly is arranged between the shell and the compressing mechanism;
The driven disc assembly comprises an oil-resistant friction piece assembly and a disc hub connected with a driven shaft through a spline, the outer edge of the oil-resistant friction piece assembly is connected with the shell teeth, and the inner edge of the oil-resistant friction piece assembly is connected with the disc hub teeth;
The pressing mechanism comprises a pressing plate (28), a hard spring (53) and a clutch oil cylinder assembly, wherein the pressing plate (28) is in combined contact with the oil-resistant friction piece, the pressing plate (28) is connected with the shell through a pressing plate return spring (25), one end of the hard spring (53) faces the pressing plate (28), and the other end of the hard spring (53) is in contact with the clutch oil cylinder assembly;
The oil-resistant friction piece is arranged between the shell and the pressure plate (28) in a combined way;
The clutch oil cylinder assembly comprises an oil cylinder fixing sleeve (44), a circulating oil fixing sleeve (43), a piston (46), an outer cylinder sleeve (52) and an oil cylinder main body (40) arranged on the annular outer side of the driven shaft, wherein the oil cylinder main body (40) is fixedly connected with the shell; the oil cylinder fixing sleeve (44) and the circulating oil fixing sleeve (43) are arranged on the axial annular outer side of the oil cylinder main body (40), a bearing and a sealing device are arranged between the oil cylinder fixing sleeve (44) and the oil cylinder main body (40), an outer cylinder sleeve (52) is fixed on one side, facing the hard spring, of the oil cylinder main body (40), an axial groove is formed between the outer cylinder sleeve (52) and the axial outer wall of the oil cylinder main body (40), the piston (46) is arranged in the axial groove, and the piston (46) is in contact with the hard spring (53);
An oil duct is arranged in the oil cylinder fixing sleeve (44) and the oil cylinder main body (40), the piston (46) is communicated with the oil duct, a sealing device is arranged between the piston (46) and the axial outer wall of the oil cylinder main body (40), and a sealing device is arranged between the piston and the axial inner wall of the outer cylinder sleeve (52);
The circulating oil fixing sleeve (43) is positioned between the oil cylinder fixing sleeve (44) and the driven shaft gland (41), one end of the circulating oil fixing sleeve (43) is fixedly connected with the driven shaft gland (41), the other end of the circulating oil fixing sleeve (43) is fixedly connected with a spigot between the oil cylinder fixing sleeve (44), and a sealing device is arranged between the circulating oil fixing sleeve (43) and the oil cylinder main body (40);
an oil inlet passage is arranged in the circulating oil fixing sleeve (43);
An oil inlet passage is formed in the oil cylinder main body (40), the oil inlet passage of the oil cylinder main body (40) is communicated with the oil inlet passage in the circulating oil fixing sleeve (43), one end, connected with the inner edge teeth of the oil-resistant friction piece combination, of the disc hub is bent towards the shell, a groove is formed in the end, connected with the inner edge teeth of the oil-resistant friction piece combination, of the disc hub, a circulating oil guide pipe (58) is arranged at one end, fixedly connected with the shell, of the oil cylinder main body (40), one end of the circulating oil guide pipe (58) is fixedly connected with the oil cylinder main body (40), the other end of the circulating oil guide pipe (58) penetrates through the hard spring (53) and stretches into the groove at the connecting end of the inner edge teeth of the disc hub and the oil-resistant friction piece combination, the oil inlet passage is arranged in the circulating oil guide pipe (58), and the oil inlet passage of the oil cylinder main body (40) are communicated with the circulating oil guide pipe (58);
the driven plate assembly further comprises a damping system, the damping system is arranged in a plate hub, the damping system comprises damping springs and damping plates (20), a plurality of windows are arranged in the plate hub, the damping springs are arranged in the windows, the inner circular end face and the outer circular end face of the plate hub are respectively provided with the damping plates (20), the plate hub is fixedly connected with the damping plates (20), a fixed gasket (18) and a friction gasket (19) are arranged between the plate hub and the damping plates at intervals, and a disc spring I (17) is arranged between the fixed gasket (18) and the damping plates (20).
2. The wet clutch assembly as set forth in claim 1 wherein: the shell comprises a flywheel disc (21), a clutch outer ring (27) and a clutch cover (54), wherein the flywheel disc (21) is fixedly connected with the outer circular end face of a crankshaft connecting disc (22), the clutch outer ring (27) is fixedly connected with the outer circular end face of the flywheel disc (21), one end of the clutch cover (54) is fixedly connected with the outer circular end face of the clutch outer ring (27), the other end of the clutch cover (54) is fixedly connected with a clutch oil cylinder assembly, an oil-resistant friction piece combination is arranged between the flywheel disc (21) and a pressure disc (28), and the oil-resistant friction piece combination is connected with inner wall teeth of the clutch outer ring (27).
3. The wet clutch assembly as set forth in claim 1 wherein: the shell comprises a flywheel disc (21), a clutch outer ring (27), a disc spring III (56), a disc spring limiting plate (57) and a clutch cover (54), wherein the clutch outer ring (27) is fixedly connected with the outer circular end face of a crankshaft connecting disc (22), one end of the clutch cover (54) is fixedly connected with the outer circular end face of the clutch outer ring (27), the other end of the clutch cover (54) is fixedly connected with a clutch cylinder assembly, a disc spring limiting plate (57) and the flywheel disc (21) are arranged between the crankshaft connecting disc (22) and an oil-resistant friction piece combination, a gap is formed between the disc spring limiting plate (57) and the flywheel disc (21), the disc spring III (56) is arranged in the gap, the disc spring limiting plate (57) is connected with the crankshaft connecting disc (22), the flywheel disc (21) is in combined contact with the oil-resistant friction piece, and the disc spring limiting plate (57) is connected with the flywheel disc (21) in a self-adjusting mode at intervals.
4. A wet clutch assembly as claimed in claim 2 or claim 3 wherein: the clutch outer ring (27) is connected with the pressure plate (28) in a sliding manner, and the pressure plate (28) is connected with the clutch outer ring (27) through the pressure plate return spring (25).
5. The wet clutch assembly as set forth in claim 1 wherein: the oil-resistant friction piece assembly comprises steel sheets (30), paper substrates (29) and separating springs, wherein the steel sheets (30) and the paper substrates (29) are arranged at staggered intervals, the paper substrates (29) are arranged on one side or two sides of each steel sheet, the paper substrates (29) are arranged between the oil-resistant friction piece assembly and the shell and between the oil-resistant friction piece assembly and the pressure plate (28), the outer edges of the steel sheets (30) are connected with the teeth of the clutch outer ring (27), the separating springs are arranged between the outer edges of the adjacent steel sheets (30), and the inner edges of the paper substrates (29) are connected with the teeth of the hub.
6. The wet clutch assembly as set forth in claim 1 wherein: the oil-resistant friction piece assembly comprises a steel sheet (30), paper substrates (29) and separating springs, wherein the steel sheet (30) and the paper substrates (29) are arranged at staggered intervals, the paper substrates (29) are arranged on one side or two sides of the steel sheet, the paper substrates (29) are arranged between the oil-resistant friction piece assembly and the shell and between the oil-resistant friction piece assembly and the pressure plate (28), the inner edges of the steel sheet (30) are connected with hub teeth, the separating springs are arranged between the outer edges of the adjacent paper substrates (29), and the outer edges of the paper substrates (29) are connected with clutch outer rings (27) teeth.
7. The wet clutch assembly as set forth in claim 1 wherein: one end of the hard spring (53) is in contact with the pressure plate (28).
8. The wet clutch assembly as set forth in claim 1 wherein: a gap is arranged between the hard spring (53) and the pressure plate (28), a disc spring II (31) is arranged in the gap, and the hard spring (53) is in gap self-adjusting connection with the pressure plate (28).
9. The wet clutch assembly as set forth in claim 8 wherein: an oil inlet passage is arranged in the oil cylinder main body (40), the oil inlet passage of the oil cylinder main body (40) is communicated with the oil inlet passage in the circulating oil fixing sleeve (43), and the oil inlet passage of the oil cylinder main body is communicated with the clutch outer ring (27) through a connecting oil pipe (50).
10. The wet clutch assembly as set forth in claim 8 wherein: an oil inlet passage and an oil hole are arranged in the driven shaft (39), and the oil inlet passage in the driven shaft is communicated with the oil inlet passage in the circulating oil fixing sleeve (43).
11. A wet clutch assembly as claimed in claim 9 or 10 wherein: the circulating oil fixing sleeve (43) and the oil cylinder main body (40) are of an integrated structure or a split structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100608449 | 2017-01-25 | ||
| CN201710060844.9A CN106704405A (en) | 2017-01-25 | 2017-01-25 | Wet clutch assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108105278A CN108105278A (en) | 2018-06-01 |
| CN108105278B true CN108105278B (en) | 2024-06-04 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710060844.9A Pending CN106704405A (en) | 2017-01-25 | 2017-01-25 | Wet clutch assembly |
| CN201810063522.4A Active CN108105278B (en) | 2017-01-25 | 2018-01-23 | Wet clutch assembly |
| CN201820110240.0U Active CN208619550U (en) | 2017-01-25 | 2018-01-23 | Wet clutch assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710060844.9A Pending CN106704405A (en) | 2017-01-25 | 2017-01-25 | Wet clutch assembly |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820110240.0U Active CN208619550U (en) | 2017-01-25 | 2018-01-23 | Wet clutch assembly |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704405A (en) * | 2017-01-25 | 2017-05-24 | 青岛丰宝汽车离合器有限公司 | Wet clutch assembly |
| CN108561451B (en) * | 2018-05-18 | 2024-01-02 | 天津市精研工程机械传动有限公司 | Clutch transmission device |
| CN110206643B (en) * | 2019-06-10 | 2020-08-18 | 浙江吉利控股集团有限公司 | Joint face structure of engine and gearbox and vehicle |
| CN115354713B (en) * | 2022-08-26 | 2024-03-19 | 徐州徐工矿业机械有限公司 | Self-lubricating metal spring coupling applicable to various working conditions for hydraulic excavator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN208619550U (en) | 2019-03-19 |
| CN108105278A (en) | 2018-06-01 |
| CN106704405A (en) | 2017-05-24 |
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