CN107677470A - A kind of automatic transmission brake bush experimental rig - Google Patents
A kind of automatic transmission brake bush experimental rig Download PDFInfo
- Publication number
- CN107677470A CN107677470A CN201711105922.9A CN201711105922A CN107677470A CN 107677470 A CN107677470 A CN 107677470A CN 201711105922 A CN201711105922 A CN 201711105922A CN 107677470 A CN107677470 A CN 107677470A
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- China
- Prior art keywords
- friction plate
- outside
- brake
- ring
- bulge
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- 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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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The present invention relates to a kind of automatic transmission brake bush experimental rig, including the input being oppositely arranged and output end, output end includes output shaft and brake casing, output shaft is connected by flange with brake casing bottom, it is equipped with piston successively inside brake casing, return spring component, return spring component back-up ring, friction plate assembly and friction plate assembly back-up ring, input includes input shaft and friction plate hub, friction plate hub passes through flange and input axis connection, the oilhole on the outside of friction plate hub of the outside of friction plate hub provided with outside spline and positioned at outside spline gaps, oilhole inside friction plate hub with communicating on the outside of friction plate hub, friction plate hub is engaged by outside spline with the inner side spline of friction plate assembly.The present invention also substantially increases overall test efficiency while friction plate performance test is improved, and strong support is provided for the design improvement of friction plate and brake.
Description
Technical field：
The invention belongs to automotive transmission technical field, and in particular to a kind of automatic transmission brake bush experiment dress
Put.
Background technology：
Friction plate is the important composition part of speed changer brake, during brake performance is tested, friction plate
It can test particularly important.Automatic transmission brake bush is typically placed in inside brake casing, multiple friction plates and steel
Piece is alternate to coordinate composition friction plate assembly, is engaged by inner side spline with La Weina planet carriers, due to brake casing and change
Fast device housing is integral type structure, and the past mainly carries out performance test, experiment to brake bush by speed changer complete machine
The installation of stand is inconvenient with dismounting, and needs valve body and oil pump iso-variable velocity device parts to participate in work and could realize test
Purpose, piston can not be directly controlled to be pressurizeed for friction plate assembly, disturbing factor is relatively more during experiment, and this is braked for research
Device friction piece performance is very unfavorable.
The content of the invention：
The present invention is to overcome drawbacks described above, there is provided a kind of automatic transmission brake bush experimental rig, the device
The stable genuine working environment of plan is provided for friction plate, it is simple for structure clear, it is reasonable in design, it enormously simplify brake bush examination
The upper lower stage process tested, improves test efficiency, and design while improving friction plate performance test also for brake improves
Provide strong support.
The technical solution adopted by the present invention is：A kind of automatic transmission brake bush experimental rig, including it is relative
The input and output end of setting, the output end include output shaft and brake casing, and the center of output shaft offers lubrication
Oil circuit, the bottom of the brake casing are offered at the center of flange and connected with lubricant passage way by flange and output axis connection
Logical brake casing bottom oilhole, the side of brake casing offers pressure oilhole by bottom side position, in brake
Enclosure interior is provided with central shaft, and the central shaft sequentially passes through the piston being assemblied in arrester shell body, return spring component, returned
Position spring assembly back-up ring, friction plate assembly and friction plate assembly back-up ring, hold offer curved hole, the curved surface on center shaft
Hole is connected with brake casing bottom oilhole, and multiple longitudinally disposed grooves and multiple are also provided with the inside of brake casing
The ring shaped slot that annular is set, the groove are used for placing piston, return spring component and friction plate assembly, and the ring shaped slot is used
To install friction plate assembly back-up ring and return spring component back-up ring；Multiple springs are vertically provided with the return spring component,
Bulge-structure two is provided with side；Described piston one end is positioned over the bottom in arrester shell body, and the other end is provided with positioning
Boss and bulge-structure one, the positioning boss are engaged with the spring on return spring component, and the bulge-structure one is located at
On the side of piston；The friction plate assembly includes friction plate and steel disc, and the side of the steel disc is provided with asymmetrical raised knot
Structure three, the steel disc include steel disc one and steel disc two, and steel disc one and steel disc two are located at the both ends of friction plate respectively, in friction plate group
The inner side of part is provided with inner side spline；The input includes input shaft and friction plate hub, and the friction plate hub is tubular, its bottom
By flange and input axis connection, outside spline and the friction plate hub positioned at outside spline gaps are provided with the outside of friction plate hub
Outside oilhole, for oilhole with being communicated inside friction plate hub, the friction plate hub passes through outside on the outside of the friction plate hub
Spline is engaged with the inner side spline of friction plate assembly.
Preferably, the groove respectively with the bulge-structure on piston, return spring component and friction plate assembly side
First, bulge-structure two, bulge-structure three are engaged, and the bulge-structure one, bulge-structure two, bulge-structure three and groove are equal
For unsymmetric structure.
Preferably, on the outside of the friction plate hub oilhole be holes side by side and two kinds arranged side by side of three holes, and arranged for interval.
Preferably, the curved hole is a pair of symmetrical both sides for being opened in central shaft.
Preferably, the ring shaped slot also leaves the back-up ring fixing groove for installing extra back-up ring.
The beneficial effects of the invention are as follows：The present invention devises a kind of brake bush experiment dress for departing from speed changer complete machine
Put, overall test efficiency is also substantially increased while friction plate performance test is improved, be friction plate and brake
Design improvement provides strong support.By in existing brake the La Weina planet carriers of friction plate assembly will be driven to be simplified to one
Individual friction plate hub, multiple oilholes to be provided safeguard for friction plate assembly sufficient lubrication are designed with above, reduces environment and rubs
Wipe the influence of resistance；Piston, return spring component, steel disc are both designed as unsymmetric structure so that can be accurately quick during assembling
Positioning, improves test efficiency, and the steel disc of unsymmetric structure can produce different deformation amount after compression, it helps to brake not
With the analysis and research of position stressing conditions, foundation is provided for further optimization design；Brake casing indoor design has extra loop
Type groove, greater number of friction plate can be fixed；The pressure oilhole of hull outside shortens the transmission path of pressure oil, is direct
Control pistons work provides safeguard.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the explosive view of brake casing and friction plate hub position relationship；
Fig. 3 is the structural representation inside brake casing；
Wherein：1 brake casing, 2 pistons, 3 return spring components, 4 return spring component back-up rings, 5 friction plate assemblies, 6
Friction plate assembly back-up ring, 7 friction plate hubs, 8 brake casing sealed bottom rings, 9 brake casing bottom oilholes, 10 brakings
Device shell bores, 11 pressure oilholes, 12 positioning boss, 13 piston inner seal rings, 14 piston outer side seal rings, 15 steel discs
First, 16 steel discs two, 1701 bulge-structures one, 1702 bulge-structures two, 1703 bulge-structures three, 18 inner side splines, 19 outside flowers
Oilhole on the outside of key, 20 friction plate hubs, 21 friction plate hub mounting holes, 22 grooves, 23 ring shaped slots, 24 curved holes, 25 input shafts,
26 output shafts, 27 lubricant passage ways.
Embodiment：
As shown in figure 1, a kind of automatic transmission brake bush experimental rig, including two big portion of input and output end
Point, the input includes input shaft 25 and friction plate hub 7, as shown in Fig. 2 the friction plate hub 7 is to La Weina planet carriers
The simplification of progress, the spline structure of driving friction plate only being remained, the friction plate hub 7 is tubular, and its bottom is provided with flange,
Flange is provided with the friction plate hub mounting hole 21 being connected with the end face of input shaft 25, and the outside of friction plate hub 7 is provided with outside spline
19 and the oilhole 20 on the outside of multiple friction plate hubs in the gap of outside spline 19, oilhole 20 on the outside of the friction plate hub
It is designed as holes side by side and two kinds arranged side by side of three holes, arranged for interval, passes through the inner side spline 18 of outside spline 19 and friction plate assembly 5
While cooperation, lubricating oil is set equably to penetrate into friction plate assembly 5 by oilhole 20 on the outside of these friction plate hubs
Gap in, reach the effect of sufficient lubrication.
The output end includes output shaft 26 and brake casing 1, as shown in Fig. 2 the bottom of the brake casing 1 is set
There is flange, the brake casing mounting hole 10 being connected with the end face of output shaft 26 is provided with flange, at the center of output shaft 26
Lubricant passage way 27 is offered, the center of flange offers the brake casing bottom oilhole 9 connected with lubricant passage way 27,
The outside of brake casing bottom oilhole 9 is provided with the brake casing sealed bottom ring 8 for preventing oil leak.Making
The side of dynamic device housing 1 offers pressure oilhole 11 by bottom side position, for providing pressure oil to piston 2.The arrester shell
Body bottom oilhole 9 and pressure oilhole 11 are reasonable in design, directly can be connected with the oil supply system of testing equipment, succinct
Design substantially reduces oil circuit transmission path, also completely saves the functional parts such as the valve body oil pump in speed changer complete machine, subtracts
Disturbing factor is lacked, also to realize the direct control to piston 2 so that experimental condition is more accurate.
Central shaft is provided with the inside center of brake casing 1, the central shaft, which sequentially passes through, to be assemblied in brake casing 1
Piston 2, return spring component 3, return spring component back-up ring 4, friction plate assembly 5 and friction plate assembly back-up ring 6, at center
A pair of symmetrical curved holes 24 are offered on the end of axle, are connected in the curved hole 24 and brake casing bottom oilhole 9
Logical, curved hole 24 can make lubricating oil directly full of inside friction plate hub 7, and compared with real machine, larger curved hole 24 can make
Lubricating oil is quickly filled with inside friction plate hub 7, shortens the oil-filled time, also provides guarantee for sufficient lubrication.
The friction plate assembly 5 includes friction plate and steel disc, and the side of the steel disc is provided with asymmetrical bulge-structure three
1703, the steel disc includes steel disc 1 and steel disc 2 16, and steel disc 1 and steel disc 2 16 are located at the both ends of friction plate, steel respectively
Piece 1 is in contact with piston, bears pressure；Steel disc 2 16 is used to be in contact with friction plate assembly back-up ring 6, passes through friction plate group
Part back-up ring 6 ensures the position restriction of friction plate assembly 5, the bulge-structure 3 1703 on steel disc and the groove of the inner side of brake casing 1
22 coordinate；Inner side spline 18, the outside spline of the inner side spline 18 and friction plate hub 7 are provided with the inner side of friction plate assembly 5
19 are engaged.
The return spring component 3 includes annulus and spring, and the spring is multiple, and spring is vertically set on annulus
Side, the opposite side of annulus are contacted with return spring component back-up ring 4, and asymmetrical bulge-structure is provided with the side of annulus
2 1702.
Described one end of piston 2 passes through the outer seal ring 14 that the inner seal ring 13 set on the inside of piston and outside are set and braking
Device housing 1 is engaged, the bottom being positioned in brake casing 1, and the other end is provided with positioning boss 12 and asymmetrical projection
Structure 1, the positioning boss 12 are engaged with the spring on return spring component 3, and the bulge-structure 1 is located at
On the side of piston 2.
As shown in figure 3, the inner side of brake casing 1 is further opened with groove 22 and the multiple annulars that multiple longitudinal asymmetrics are set
The ring shaped slot 23 that non-uniform spacing is set, the groove 22 of the asymmetric setting respectively with piston 2, return spring component 3 and
Bulge-structure 1, bulge-structure 2 1702, the bulge-structure 3 1703 of the side of friction plate assembly 5 are engaged, more than guarantee
Part, which can position, to be positioned in brake casing 1；The ring shaped slot 23 of the non-uniform spacing is used for installing friction plate assembly gear
Circle 6 and return spring component back-up ring 4, in addition in order to fix more friction plates, device branch is provided for more friction disc brake devices
Hold, ring shaped slot 23 is also reserved with back-up ring fixing groove for extra back-up ring.
The arrangement of groove 22 on the inside of the piston 2, return spring component 3, steel disc and brake casing is both designed as non-
Symmetric form, fast and easy are accurately positioned, and the steel disc of unsymmetric structure can produce deformation after stress, can be according to deformation
The stressing conditions of amount and diverse location, foundation is provided for further optimization.
The course of work：
Speed discrepancy is produced by the input and output end that make the experimental rig, pressurization makes the pressing friction piece component 5 of piston 2
Braking is realized, return spring component 3 will reset piston 2 during pressure release, brake bush separation.
The foregoing is only a preferred embodiment of the present invention, these embodiments are all based on the present invention
Different implementations under general idea, and protection scope of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff the invention discloses technical scope in, the change or replacement that can readily occur in, should all cover the present invention's
Within protection domain.Therefore, protection scope of the present invention should be defined by the protection domain of claims.
Claims (5)
- A kind of 1. automatic transmission brake bush experimental rig, it is characterised in that：Including the input that is oppositely arranged and defeated Go out end,The output end includes output shaft (26) and brake casing (1), and the center of output shaft (26) offers lubricant passage way (27), the bottom of the brake casing (1) is connected by flange with output shaft (26), is offered and is lubricated at the center of flange The brake casing bottom oilhole (9) of oil circuit (27) connection, the side of brake casing (1) offers pressure by bottom side position Power oilhole (11), central shaft is provided with inside brake casing (1), the central shaft, which sequentially passes through, is assemblied in brake casing (1) piston (2), return spring component (3), return spring component back-up ring (4), friction plate assembly (5) and friction plate group in Part back-up ring (6), hold offer curved hole (24) on center shaft, the curved hole (24) and brake casing bottom oilhole (9) connect, the ring shaped slot of multiple longitudinally disposed grooves (22) and multiple annular settings is also provided with the inside of brake casing (1) (23), the groove (22) is used for placing piston (2), return spring component (3) and friction plate assembly (5), the ring shaped slot (23) it is used for that friction plate assembly back-up ring (6) and return spring component back-up ring (4) are installed；Multiple springs are vertically provided with the return spring component (3), bulge-structure two (1702) is provided with side；Described piston (2) one end is positioned over the bottom in brake casing (1), and the other end is provided with positioning boss (12) and projection Structure one (1701), the positioning boss (12) are engaged with the spring on return spring component (3), the bulge-structure one (1701) on the side of piston (2)；The friction plate assembly (5) includes friction plate and steel disc, and the side of the steel disc is provided with asymmetrical bulge-structure three (1703), the steel disc includes steel disc one (15) and steel disc two (16), and steel disc one (15) and steel disc two (16) are respectively positioned at friction The both ends of piece, inner side spline (18) is provided with the inner side of friction plate assembly (5)；The input includes input shaft (25) and friction plate hub (7), and the friction plate hub (7) is tubular, and its bottom passes through method Orchid is connected with input shaft (25), outside spline (19) is provided with the outside of friction plate hub (7) and positioned at outside spline (19) gap Friction plate hub on the outside of oilhole (20), on the outside of the friction plate hub oilhole (20) with being communicated inside friction plate hub (7), The friction plate hub (7) is engaged by outside spline (19) with the inner side spline (18) of friction plate assembly (5).
- A kind of 2. automatic transmission brake bush experimental rig as claimed in claim 1, it is characterised in that：The groove (22) respectively with the bulge-structure one (1701) on piston (2), return spring component (3) and friction plate assembly (5) side, convex Structure two (1702), bulge-structure three (1703) is played to be engaged, and the bulge-structure one (1701), bulge-structure two (1702), bulge-structure three (1703) and groove (22) are unsymmetric structure.
- A kind of 3. automatic transmission brake bush experimental rig as claimed in claim 2, it is characterised in that：The friction On the outside of piece hub oilhole (20) be holes side by side and two kinds arranged side by side of three holes, and arranged for interval.
- A kind of 4. automatic transmission brake bush experimental rig as claimed in claim 2, it is characterised in that：The curved surface Hole (24) is symmetrically opened in the both sides of central shaft.
- A kind of 5. automatic transmission brake bush experimental rig as described in claim 1-4 is any, it is characterised in that：Institute State ring shaped slot (23) and be provided with back-up ring fixing groove for installing extra back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105922.9A CN107677470B (en) | 2017-11-10 | 2017-11-10 | Automatic transmission brake friction plate test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105922.9A CN107677470B (en) | 2017-11-10 | 2017-11-10 | Automatic transmission brake friction plate test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107677470A true CN107677470A (en) | 2018-02-09 |
| CN107677470B CN107677470B (en) | 2023-06-27 |
Family
ID=61146267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711105922.9A Active CN107677470B (en) | 2017-11-10 | 2017-11-10 | Automatic transmission brake friction plate test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107677470B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238685A (en) * | 2018-11-12 | 2019-01-18 | 科力远混合动力技术有限公司 | Gearbox wet brake test tool |
| CN109357856A (en) * | 2018-11-12 | 2019-02-19 | 科力远混合动力技术有限公司 | A kind of gearbox wet brake test tool |
| CN111207922A (en) * | 2020-01-14 | 2020-05-29 | 中国北方车辆研究所 | High-power high-rotation-speed planetary speed change mechanism test device |
| CN112964481A (en) * | 2021-02-26 | 2021-06-15 | 蜂巢传动科技河北有限公司 | Detection mechanism and detection device for brake of AT transmission |
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2017
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238685A (en) * | 2018-11-12 | 2019-01-18 | 科力远混合动力技术有限公司 | Gearbox wet brake test tool |
| CN109357856A (en) * | 2018-11-12 | 2019-02-19 | 科力远混合动力技术有限公司 | A kind of gearbox wet brake test tool |
| CN109238685B (en) * | 2018-11-12 | 2020-08-28 | 科力远混合动力技术有限公司 | Gearbox wet brake test tool |
| CN109357856B (en) * | 2018-11-12 | 2020-08-28 | 科力远混合动力技术有限公司 | Gearbox wet brake test tool |
| CN111207922A (en) * | 2020-01-14 | 2020-05-29 | 中国北方车辆研究所 | High-power high-rotation-speed planetary speed change mechanism test device |
| CN112964481A (en) * | 2021-02-26 | 2021-06-15 | 蜂巢传动科技河北有限公司 | Detection mechanism and detection device for brake of AT transmission |
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| Publication number | Publication date |
|---|---|
| CN107677470B (en) | 2023-06-27 |
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