CN107664167A - A kind of flexible shifting device - Google Patents
A kind of flexible shifting device Download PDFInfo
- Publication number
- CN107664167A CN107664167A CN201610599603.7A CN201610599603A CN107664167A CN 107664167 A CN107664167 A CN 107664167A CN 201610599603 A CN201610599603 A CN 201610599603A CN 107664167 A CN107664167 A CN 107664167A
- Authority
- CN
- China
- Prior art keywords
- oil
- clutch housing
- piston
- gear
- spline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 102100019815 SRRT Human genes 0.000 claims description 6
- 101700037877 SRRT Proteins 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 57
- 239000012530 fluid Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010727 cylinder oil Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The present invention provides a kind of flexible shifting device of flexible engagement positive drive, including clutch housing, friction plate, grooved metal gasket, big piston, duplicate gear, plunger ring, oil spout axle sleeve, valve piston, cylindroid helical-coil compression spring, disk spring and four oil duct axles；Control the axial movement of big valve piston respectively by hydraulic system, realize that frictional force transmits torque to the conversion of spline transmission.The present invention proposes a kind of flexible gearshift for combining rigid of transmission power, and frictionally the frictional force of piece realizes the synchronization of clutch and gear in the case of small moment of torsion, passes through spline passing power in the case of high pulling torque.
Description
Technical field
The invention belongs to automobile dynamic system technical field, and in particular to a kind of flexible shifting dress
Put.
Background technology
The structure that current gearshift is mainly applied in combination using clutch and synchronizer, from
Clutch mainly has the forms such as electromagnetic clutch, magnetic powder cluth and friction clutch, all exists
Life-span is low, transmits the problems such as moment of torsion is small.Slip clutch passes through the friction between friction plate
Power transmits moment of torsion, causes the frictional dissipation big so that the transmission efficiency of whole clutch is low.
Moreover, the break-make of clutch can increase pause and transition in rhythm or melody sense in shift process.Therefore, the present invention carries
A kind of flexible gearshift for combining rigid of transmission power is gone out, by rubbing in the case of small moment of torsion
The frictional force of pad realizes the synchronization of clutch and gear, is passed in the case of high pulling torque by spline
Graduating power, realize the power failure-free of gearshift；It is and real by the sequential control of hydraulic system
Now from the flexible conversion combined to positive drive.
The content of the invention
It is an object of the invention to provide a kind of flexible gearshift dress for combining rigid of transmission power
Put, the device can realize the power failure-free of transmission and the gearshift of high pulling torque.
To realize that the object of the invention adopts the following technical scheme that realization：
A kind of flexible shifting device, including clutch housing 1, friction plate 2, grooved metal gasket 3,
Big piston 4, duplicate gear 5, plunger ring 6, oil spout axle sleeve 7, gear hot wafering 8, small work
Plug 9, cylindroid helical-coil compression spring 10, disk spring 11, the oil duct axle of duplicate gear 12 and four
13。
The both sides of clutch housing 1 are symmetrical, and there are serrate slot, in-between protuberance in both sides
Position 101 is provided with rectangular spline；The friction plate 2 is that inner circle has the annular of tooth form thin
Piece, tooth thereon engage with a gear of duplicate gear 5；The grooved metal gasket 3 is outer
There is the annular thin slice of tooth form, tooth thereon engages with the serrate slot of clutch housing on circle；
The friction plate 2 is separated by two-by-two with grooved metal gasket 3 to be overlayed in clutch housing 1.
The big piston 4 is placed on the bottom of clutch housing 1, recessed with an annular thereon
Groove 401, disk spring 11 are placed in annular groove；Have on the oil spout axle sleeve 7 some
Individual oilhole.
The latter half of valve piston 9 is interior rectangular spline, and top half is spent for outer involute
Key, interior rectangular spline engage all the time with the outer rectangular spline on clutch housing 1；The circle
Post spiral compression spring 10 is enclosed on the outside of valve piston 9.
The four oil ducts axle 13 is provided with four oil ducts, corresponds to two of both sides clutch respectively
The gap of piston base；Interior involute flower is equipped with the endoporus of the duplicate gear 5 and 12
Key.
The valve piston 9 can dash forward along the tooth form of rectangular spline in the centre of clutch housing 1
Go out part to slide up and down, in the latter half rectangular spline all the time with it is outer on clutch housing 1
Rectangular spline engages, when valve piston 9 produce it is certain when shifting up, outside its top half
Involute spline engages with the interior involute spline on the endoporus of duplicate gear 5.
Further, four oil duct axles 13 have two oil ducts, an oil duct in the both sides of clutch
Oil is introduced between big piston 4 and clutch housing 1 by the oilhole on clutch housing 1
Gap, promote big piston to produce displacement, another oil duct passes through on clutch housing 1
The gap that oilhole introduces oil between valve piston 9 and clutch housing 1, promote valve piston 9
Produce certain axial displacement.
Further, shift motor imparts power to power shift gear 18, and then engage
Rack 17 promotes piston to produce axial displacement in oil cylinder, increases in-oil cylinder pressure, makes
The oil storage gap that in-oil cylinder oil enters big piston base by oil duct is obtained, with oil pressure not
Disconnected increase promotes big piston to produce upward axial displacement, then pressing friction piece；Work as oil pressure
Reach certain numerical value, the sequence valve on valve piston oil circuit is opened, and in-oil cylinder fluid passes through oil
Road enters the oil storage gap of valve piston bottom, as the continuous increase of oil pressure promotes valve piston production
Raw axial displacement so that the spline engagement on spline and gear hub on valve piston, so as to
Reach the purpose of rigid of transmission power.
The invention has the advantages that and good effect：
(1) device combines rigid of transmission power by flexibility so that the steady nothing of cohesive process
Impact, and shifting power does not interrupt, small volume.
(2) transmission of high pulling torque is realized using spline, increases the moment of torsion that clutch integrally transmits
Greatly, frictional dissipation during friction plate transmitting large torque is avoided, transmission efficiency is high, clutch
Friction plate is operated under conditions of moment underloading, is made its abrasion smaller, is added clutch
Working life.
(3) clutch can absorb gearshift temporary impact by the way of the flexible combination of friction plate
Impact failure of the power to gear box.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention,
The schematic description and description of the present invention is used to explain the present invention, does not form to this hair
Bright improper restriction.In the accompanying drawings：
Fig. 1 is flexible shifting structure drawing of device；
Fig. 2 is hydraulic control system schematic diagram；
Fig. 3 is valve piston schematic diagram；
Fig. 4 is hydraulic control logical flow chart；
Fig. 5 is clutch outer member schematic diagram；
In figure：Clutch housing (1), friction plate (2), grooved metal gasket (3), big piston
(4), duplicate gear (5), plunger ring (6), oil spout axle sleeve (7), gear hot wafering (8),
Valve piston (9), cylindroid helical-coil compression spring (10), disk spring (11), duplicate gear
(12), four oil duct axles (13), sequence valve (14), check valve (15), fuel tank (16),
Rack (17) and gear (18).
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, but should not
It is interpreted as the above-mentioned subject area of the present invention and is only limitted to following embodiments.On the present invention is not departed from
In the case of stating technological thought, according to ordinary skill knowledge and customary means, make
Various replacements and change, it all should include within the scope of the present invention.
A kind of flexible shifting device, including clutch housing 1, friction plate 2, grooved metal gasket 3,
Big piston 4, duplicate gear 5, plunger ring 6, oil spout axle sleeve 7, gear hot wafering 8, small work
Plug 9, cylindroid helical-coil compression spring 10, disk spring 11, duplicate gear 12, four oil duct axles
13rd, sequence valve 14, check valve 15, fuel tank 16, rack 17 and gear 18.
The both sides of clutch housing 1 are symmetrical, and there are serrate slot, in-between protuberance in both sides
Position 101 is provided with rectangular spline；The friction plate 2 is that inner circle has the annular of tooth form thin
Piece, tooth thereon engage with a gear of duplicate gear 5；The grooved metal gasket 3 is outer
There is the annular thin slice of tooth form, tooth thereon engages with the serrate slot of clutch housing on circle；
The friction plate 2 is separated by two-by-two with grooved metal gasket 3 to be overlayed in clutch housing 1.
The big piston 4 is placed on the bottom of clutch housing 1, recessed with an annular thereon
Groove 401, disk spring 11 are placed in annular groove, when oil pressure enters big piston and housing
During bottom gap, disk spring produces corresponding deformation with the deformation of big piston, and oil pressure disappears
The elastic reset of disk spring drives big piston to return to original position after mistake；The oil spout axle
There are several oilholes on set 7, fluid is introduced four oil duct axles by fluid by the oilhole on axle sleeve
Oil duct in, hence between piston and housing gap promote piston movement.
The latter half of valve piston 9 is interior rectangular spline, and top half is spent for outer involute
Key, interior rectangular spline engage all the time with the outer rectangular spline on clutch housing 1, and in oil
In the presence of pressure certain axial displacement is produced along the keyway of rectangular spline；The cylindrical screw
Compression spring 10 is enclosed on the outside of valve piston 9, and the side of spring connects clutch housing, separately
Side contacts the wheel hub of gear, and valve piston drives compression spring axially to press after producing axial displacement
Contracting, the elastic reset of spring causes valve piston to return to home position after oil pressure disappears.
The four oil ducts axle 13 is provided with four oil ducts, corresponds to two of both sides clutch respectively
The gap of piston base, oil pressure is constantly produced and lost under the control of hydraulic system；Institute
State and be equipped with interior involute spline on the endoporus of duplicate gear 5 and 12.
Further, valve piston 9 can be along the tooth form of rectangular spline in clutch housing 1
Between ledge slide up and down, in the latter half rectangular spline all the time with clutch housing 1
The engagement of outer rectangular spline, when valve piston 9 produces certain when shifting up, its first half
Exceptionally involute spline engages with the interior involute spline on the endoporus of duplicate gear 5.
Further, four oil duct axles 13 have two oil ducts, an oil duct in the both sides of clutch
Oil is introduced between big piston 4 and clutch housing 1 by the oilhole on clutch housing 1
Gap, promote big piston to produce displacement, another oil duct passes through on clutch housing 1
The gap that oilhole introduces oil between valve piston 9 and clutch housing 1, promote valve piston 9
Produce certain axial displacement.
Further, shift motor imparts power to power shift gear 18, and then engage
Rack 17 promotes piston to produce axial displacement in oil cylinder, increases in-oil cylinder pressure, makes
The oil storage gap that in-oil cylinder oil enters big piston base by oil duct is obtained, with oil pressure not
Disconnected increase promotes big piston to produce upward axial displacement, then pressing friction piece；Work as oil pressure
Reach certain numerical value, the sequence valve on valve piston oil circuit is opened, and in-oil cylinder fluid passes through oil
Road enters the oil storage gap of valve piston bottom, as the continuous increase of oil pressure promotes valve piston production
Raw axial displacement so that the spline engagement on spline and gear hub on valve piston, so as to
Reach the purpose of rigid of transmission power.
A kind of flexible shifting device provided by the invention, its operation principle are：
Shift motor transfers power to power shift gear and then makes tooth when flexible shifting device combines
Bar promotes piston to produce certain axial displacement, oily in-cylinder pressure increase, passes through the oil of big piston
Road promotes big piston to produce certain axial displacement, compresses friction plate and grooved metal gasket, real
The transmission of existing small moment of torsion, now drive end and driven end keep relative inactive state.Hydraulic pressure
System pressure rise, sequence valve open control valve piston axial movement, when valve piston gradually
Bursting at the seams, it is big by spline transmission to be achieved that when spline engages with the involute spline of bore
The purpose of moment of torsion, it is now in one grade of working condition.If the power of clutch is no longer needed to pass
Pass, then exiting for valve piston spline realized by the elastic reset of cylindroid helical-coil compression spring,
No longer with bore spline engagement, the reset of big piston is realized by the reset of disk spring,
Friction plate and grooved metal gasket are all in relaxation state no longer passing power；Similarly, shift motor
Reversion, opposite side rack is promoted to produce the displacement of compressed oil cylinder, and then in two gear work shapes
State.
Claims (4)
1. a kind of flexible shifting device, including clutch housing 1, friction plate 2, dentiform gasket
Piece 3, big piston 4, duplicate gear 5, plunger ring 6, oil spout axle sleeve 7, gear hot wafering 8,
Valve piston 9, cylindroid helical-coil compression spring 10, disk spring 11, the oil of duplicate gear 12, four
Road axle 13, sequence valve 14, check valve 15, oil cylinder 16, rack 17 and power shift gear 18.
The both sides of clutch housing 1 are symmetrical, and there are serrate slot, in-between protuberance in both sides
Position is provided with rectangular spline；The friction plate 2 is the annular thin slice that inner circle has tooth form,
Tooth thereon engages with a gear of duplicate gear 5；The grooved metal gasket 3 is on cylindrical
Annular thin slice with tooth form, tooth thereon engage with the serrate slot of clutch housing；Institute
State friction plate 2 and grooved metal gasket 3 and be separated by two-by-two and overlay in clutch housing 1；It is described big
Piston 4 is placed on the bottom of clutch housing 1, thereon with an annular groove, dish-shaped bullet
Spring 11 is placed in annular groove；There are several oilholes on the oil spout axle sleeve 7；It is described small
The latter half of piston 9 is interior rectangular spline, and top half is outer involute spline, interior rectangle
Spline engages all the time with the outer rectangular spline on clutch housing 1；The cylindrical screw compression
Spring 10 is enclosed on the outside of valve piston 9；Four oil duct axles 13 are provided with four oil ducts, respectively
The gap of two piston bases of corresponding both sides clutch；The duplicate gear 5 and 12 it is interior
Interior involute spline is equipped with hole.
A kind of 2. flexible shifting device as claimed in claim 1, it is characterised in that valve piston
9 can slide up and down along the tooth form of rectangular spline in the intermediate ledge of clutch housing 1,
Rectangular spline engages with the outer rectangular spline on clutch housing 1 all the time in the latter half, when
Valve piston 9 produces certain when shifting up, the outer involute spline of its top half and duplex
Interior involute spline engagement on the endoporus of gear 5.
A kind of 3. flexible shifting device as claimed in claim 1, it is characterised in that four oil ducts
Axle 13 has two oil ducts in the both sides of clutch, and an oil duct passes through on clutch housing 1
The oilhole gap that introduces oil between big piston 4 and clutch housing 1, promote big piston
Displacement is produced, oil is introduced valve piston 9 by another oil duct by the oilhole on clutch housing 1
Gap between clutch housing 1, valve piston 9 is promoted to produce certain axial displacement.
A kind of 4. flexible shifting device as claimed in claim 1, it is characterised in that gear shift electricity
Machine connects power shift gear 18, and power shift gear 18 and rack 17 are meshed, and rack 17 connects oil
Cylinder piston；Sequence valve 14 and check valve 15 are installed on the oil circuit of big piston 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599603.7A CN107664167B (en) | 2016-07-27 | 2016-07-27 | A kind of flexible shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599603.7A CN107664167B (en) | 2016-07-27 | 2016-07-27 | A kind of flexible shifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107664167A true CN107664167A (en) | 2018-02-06 |
| CN107664167B CN107664167B (en) | 2019-08-13 |
Family
ID=61115120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610599603.7A Active CN107664167B (en) | 2016-07-27 | 2016-07-27 | A kind of flexible shifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107664167B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268398A (en) * | 2018-11-12 | 2019-01-25 | 科力远混合动力技术有限公司 | Hybrid power gearbox gear clutch |
| CN111306208A (en) * | 2020-03-08 | 2020-06-19 | 陈学琴 | Selectable clutch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686869A (en) * | 1986-01-13 | 1987-08-18 | Ford Motor Company | Ratio change gear speed synchronizing in a tractor transmission |
| JP2009228798A (en) * | 2008-03-24 | 2009-10-08 | Kubota Corp | Housing of hydraulic clutch and manufacturing method of the housing |
| CN101725645A (en) * | 2008-10-29 | 2010-06-09 | 株式会社F.C.C. | Multiple disc clutch apparatus |
| CN102141095A (en) * | 2011-03-17 | 2011-08-03 | 包继华 | Power unit quick-switching clutch |
| CN102537329A (en) * | 2012-02-06 | 2012-07-04 | 三一重工股份有限公司 | Power gear shift speed change bridge and engineering machinery |
| DE102014220136A1 (en) * | 2014-10-06 | 2016-04-07 | Zf Friedrichshafen Ag | Double coupling |
-
2016
- 2016-07-27 CN CN201610599603.7A patent/CN107664167B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686869A (en) * | 1986-01-13 | 1987-08-18 | Ford Motor Company | Ratio change gear speed synchronizing in a tractor transmission |
| JP2009228798A (en) * | 2008-03-24 | 2009-10-08 | Kubota Corp | Housing of hydraulic clutch and manufacturing method of the housing |
| CN101725645A (en) * | 2008-10-29 | 2010-06-09 | 株式会社F.C.C. | Multiple disc clutch apparatus |
| CN102141095A (en) * | 2011-03-17 | 2011-08-03 | 包继华 | Power unit quick-switching clutch |
| CN102537329A (en) * | 2012-02-06 | 2012-07-04 | 三一重工股份有限公司 | Power gear shift speed change bridge and engineering machinery |
| DE102014220136A1 (en) * | 2014-10-06 | 2016-04-07 | Zf Friedrichshafen Ag | Double coupling |
Non-Patent Citations (1)
| Title |
|---|
| 邓乃光: "拖拉机湿式离合器的类型及其应用", 《拖拉机与农用运输车》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268398A (en) * | 2018-11-12 | 2019-01-25 | 科力远混合动力技术有限公司 | Hybrid power gearbox gear clutch |
| CN109268398B (en) * | 2018-11-12 | 2021-03-12 | 科力远混合动力技术有限公司 | Tooth clutch for hybrid power gearbox |
| CN111306208A (en) * | 2020-03-08 | 2020-06-19 | 陈学琴 | Selectable clutch |
| CN111306208B (en) * | 2020-03-08 | 2021-04-13 | 陈学琴 | Selectable clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107664167B (en) | 2019-08-13 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190627 Address after: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing Applicant after: Chongqing University Address before: 400044 State Key Laboratory of Mechanical Transmission, District A, Chongqing University, 174 Shazhengjie, Shapingba District, Chongqing Applicant before: Hu Jie Applicant before: Li Congbo |
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| GR01 | Patent grant |