CN103343786A - Engine brake system and continuously variable transmission - Google Patents
Engine brake system and continuously variable transmission Download PDFInfo
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- CN103343786A CN103343786A CN2013103175130A CN201310317513A CN103343786A CN 103343786 A CN103343786 A CN 103343786A CN 2013103175130 A CN2013103175130 A CN 2013103175130A CN 201310317513 A CN201310317513 A CN 201310317513A CN 103343786 A CN103343786 A CN 103343786A
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- driving wheel
- follower
- moving plate
- axle sleeve
- price fixing
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Abstract
An embodiment of invention discloses an engine brake system and a continuously variable transmission. The engine brake system comprises a driven wheel shaft sleeve, a driven wheel movable disc, a driven wheel fixed disc, a driving wheel shaft sleeve, a driving wheel movable disc, a one-way clutch, a driving wheel fixed disc, a belt and a pressing spring. The driven wheel movable disc and the driven wheel fixed disc are driven by the driven wheel shaft sleeve to rotate, the driving wheel movable disc, the one-way clutch and the driving wheel fixed disc are arranged on the surface of the driving wheel shaft sleeve, the one-way clutch is arranged between the driving wheel movable disc and the driving wheel fixed disc, and the driving wheel movable disc and the driving wheel fixed disc are driven by the driving wheel shaft sleeve to rotate. One end of the belt is arranged between the driven wheel movable disc and the driven wheel fixed disc, and the other end of the belt is arranged between the driving wheel movable disc and the driving wheel fixed disc. The pressing spring is arranged on the surface of the driven wheel shaft sleeve and connected with the driven wheel movable disc. The engine brake system and the continuously variable transmission improve the effect of cutting power transmitted to a vehicle by an engine.
Description
Technical field
The present invention relates to the vehicle technology field, more particularly, relate to a kind of engine braking system and stepless speed variator.
Background technique
Under the normal driving cycle of Motor Vehicle, motor can be sent to energy on the wheel by transmission system as the power source of Motor Vehicle, overcomes various running resistances with the driving machine motor-car and normally travels; But under some operating mode, the situation of energy anti-pass can appear in motor, for example Motor Vehicle is when descending, because gravity effect Motor Vehicle will maintain a higher speed of a motor vehicle, the effect of this moment by motor can limiting vehicle the speed of a motor vehicle further increase, the effect that the engine limitations motor vehicle speed increases is called motor to the braking of Motor Vehicle, and the Motor Vehicle component combination that participates in engine braking is called engine braking system.
The mode of braking of motor mainly contains the braking of exhaust butterfly valve at present, the formula of losing heart braking and compression-release type braking, yet the mode of braking of these three kinds of motors is cut off motor and is still waiting to promote to the effect that vehicle transmits power, therefore on the basis of available engine mode of braking, a kind of engine braking system is provided, necessitates to the effect that vehicle transmits power to promote the cut-out motor.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of engine braking system and stepless speed variator, cuts off motor to the effect of vehicle transmission power to promote.
For achieving the above object, the embodiment of the invention provides following technological scheme:
A kind of engine braking system comprises: follower axle sleeve, follower Moving plate, follower price fixing, driving wheel axle sleeve, driving wheel Moving plate, overrunning clutch, driving wheel price fixing, belt and holddown spring;
Wherein, described follower Moving plate and follower price fixing are arranged on described follower axle sleeve surface, rotation under described follower axle sleeve drives;
Described driving wheel Moving plate, overrunning clutch and driving wheel price fixing are arranged on described driving wheel axle sleeve surface, described overrunning clutch is arranged between described driving wheel Moving plate and the described driving wheel price fixing, and described driving wheel Moving plate and described driving wheel price fixing rotate under the drive of described driving wheel axle sleeve;
Described belt sleeve is located between described follower axle sleeve and the described driving wheel axle sleeve, one end of described belt is arranged between described follower Moving plate and the follower price fixing, the other end is arranged between described driving wheel Moving plate and the described driving wheel price fixing by overrunning clutch, to realize that the power between follower and driving wheel transmits, described overrunning clutch drives described driving wheel axle sleeve rotation under the rubbing action of described belt;
Described holddown spring is arranged on described follower axle sleeve surface and links to each other with described follower Moving plate, when the follower axle sleeve drives described follower Moving plate and the rotation of follower price fixing, described holddown spring is exerted pressure to described follower Moving plate, so that described belt is clamped between described follower Moving plate and the follower price fixing.
Wherein, there is the gap between described driving wheel Moving plate and the described belt.
Wherein, described driving wheel axle sleeve links to each other with engine crankshaft.
Wherein, described follower Moving plate and follower price fixing are set in described follower axle sleeve surface.
Wherein, described driving wheel Moving plate and driving wheel price fixing are set in described driving wheel axle sleeve surface.
The embodiment of the invention also provides a kind of stepless speed variator, comprises engine braking system described above.
Based on technique scheme, the engine braking system that the embodiment of the invention provides, when the Motor Vehicle descent run, the follower axle sleeve will rotate, and drive follower Moving plate and the rotation of follower price fixing, the holddown spring that is arranged on follower axle sleeve surface this moment and links to each other with the follower Moving plate will be exerted pressure to the follower Moving plate, thereby make belt be clamped between follower Moving plate and the follower price fixing, the rotation of follower Moving plate and follower price fixing will drive belt and rotate between follower axle sleeve and driving wheel axle sleeve, under the extrapolation effect of follower Moving plate and follower price fixing, the internal surface of belt will be pressed on the outer surface of overrunning clutch, and by the rotation of friction drive overrunning clutch, the overrunning clutch of rotation will drive the rotation of driving wheel axle sleeve, the driving wheel axle sleeve drives crankshaft rotating, thereby by more slow-revving bent axle brake motor-car, transmit power thereby cut off motor to vehicle.The engine braking system that the embodiment of the invention provides has promoted and has cut off motor to the effect of vehicle transmission power on the basis of available engine mode of braking.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structured flowchart of the engine braking system that Fig. 1 provides for the embodiment of the invention.
Embodiment
For the purpose, technological scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
The structured flowchart of the engine braking system that Fig. 1 provides for the embodiment of the invention, engine braking system parts shown in Figure 1 can be the parts in the stepless speed variator, with reference to Fig. 1, the engine braking system that the embodiment of the invention provides can comprise: follower axle sleeve 1, follower Moving plate 2, follower price fixing 3, driving wheel axle sleeve 4, driving wheel Moving plate 5, overrunning clutch 6, driving wheel price fixing 7, belt 8 and holddown spring 9.
Wherein, follower Moving plate 2, follower price fixing 3 and holddown spring 9 all are arranged on the surface of follower axle sleeve 1; Follower Moving plate 2 and follower price fixing 3 can rotate under the drive of follower axle sleeve 1; Holddown spring 9 links to each other with follower Moving plate 2.
Optionally, follower Moving plate 2 and follower price fixing 3 can adopt sheathed mode, are arranged on the surface of follower axle sleeve 1, to be rotatably connected with follower axle sleeve 1.
Driving wheel Moving plate 5, overrunning clutch 6 and driving wheel price fixing 7 all are arranged on the surface of driving wheel axle sleeve 4; Overrunning clutch 6 is arranged between driving wheel Moving plate 5 and the driving wheel price fixing 7, and driving wheel Moving plate 5 and driving wheel price fixing 7 can rotate under the drive of driving wheel axle sleeve 4;
In the embodiment of the invention, overrunning clutch 6 is arranged on the surface of driving wheel axle sleeve 4, when overrunning clutch 6 rotates in work, only can drive the direction rotation that driving wheel axle sleeve 4 slows down to Motor Vehicle, and can't rotate to the direction that Motor Vehicle accelerates;
Optionally, driving wheel Moving plate 5 and driving wheel price fixing 7 can adopt sheathed mode, are arranged on the surface of driving wheel axle sleeve 4, to be rotatably connected with driving wheel axle sleeve 4.
Belt 8 is used for realizing that the power between follower and the driving wheel transmits, belt 8 can be set between follower axle sleeve 1 and the driving wheel axle sleeve 4, the end that belt 8 is set in follower axle sleeve 1 can be arranged between follower Moving plate 2 and the follower price fixing 3, the end that belt 8 is set in driving wheel axle sleeve 4 is arranged between driving wheel Moving plate 5 and the driving wheel price fixing 7 by overrunning clutch 6, belt 8 surrounds the surface of overrunning clutch 6, and overrunning clutch 6 can drive 4 rotations of driving wheel axle sleeve under the rubbing action of belt 8.
The engine braking system that provides by the embodiment of the invention, when the Motor Vehicle descent run, follower axle sleeve 1 will rotate, and drive follower Moving plate 2 and 3 rotations of follower price fixing, the holddown spring 9 that is arranged on follower axle sleeve 1 surface this moment and links to each other with follower Moving plate 2 will be exerted pressure to follower Moving plate 2, thereby make belt 8 be clamped between follower Moving plate 2 and the follower price fixing 3, belt 8 fits tightly with follower Moving plate 2 and follower price fixing 3, the rotation of follower Moving plate 2 and follower price fixing 3 will drive belt 8 and rotate between follower axle sleeve 1 and driving wheel axle sleeve 4, under the extrapolation effect of follower Moving plate 2 and follower price fixing 3, the internal surface of belt 8 will be pressed on the outer surface of overrunning clutch 6, and by 6 rotations of friction drive overrunning clutch, the overrunning clutch 6 of rotation will drive 4 rotations of driving wheel axle sleeve, the driving wheel axle sleeve drives crankshaft rotating, thereby by more slow-revving bent axle brake motor-car, transmit power thereby cut off motor to vehicle.The engine braking system that the embodiment of the invention provides has promoted and has cut off motor to the effect of vehicle transmission power on the basis of available engine mode of braking.
Optionally, have the gap between driving wheel Moving plate 5 and the belt 8, there is the gap in A as shown in Figure 1 between the beveled end of concrete can be driving wheel Moving plate 5 and the belt 8.In the embodiment of the invention, when engine idle is worked, engine crankshaft will drive driving wheel axle sleeve 4, driving wheel Moving plate 5 and 7 rotations of driving wheel price fixing, and because the single effect of overrunning clutch 6, driving wheel axle sleeve 4 can't drive belt 8 rotations by overrunning clutch 6; Equally, owing to have the gap between driving wheel Moving plate 5 and the belt 8, driving wheel Moving plate 5 can't drive belt 8 rotations, cuts off motor to the effect of vehicle transmission power thereby further promoted.
When Motor Vehicle normally travels, because the raising of engine speed, driving wheel Moving plate 5 will move to the direction of belt 8, driving wheel Moving plate 5 will clamp belt 8 and outwards promote with driving wheel price fixing 7, make the internal surface of belt 8 leave the outer surface of overrunning clutch 6, no longer friction drives overrunning clutch 6 rotations; Driving wheel Moving plate 5 and driving wheel price fixing 7 by and belt 8 between frictional force drive belt 8 rotations, belt 8 drives the followers rotation, thereby realizes the transmission of power of vehicle, realizes normally travelling of Motor Vehicle.
Optionally, the overrunning clutch that is arranged on driving wheel axle sleeve surface in the embodiment of the invention can have a plurality of.
The embodiment of the invention also provides a kind of stepless speed variator, comprises engine braking system described above.
The engine braking system that the embodiment of the invention provides has been realized the power cut between motor and the wheel, has realized good motor auxiliary braking.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an engine braking system is characterized in that, comprising: follower axle sleeve, follower Moving plate, follower price fixing, driving wheel axle sleeve, driving wheel Moving plate, overrunning clutch, driving wheel price fixing, belt and holddown spring;
Wherein, described follower Moving plate and follower price fixing are arranged on described follower axle sleeve surface, rotation under described follower axle sleeve drives;
Described driving wheel Moving plate, overrunning clutch and driving wheel price fixing are arranged on described driving wheel axle sleeve surface, described overrunning clutch is arranged between described driving wheel Moving plate and the described driving wheel price fixing, and described driving wheel Moving plate and described driving wheel price fixing rotate under the drive of described driving wheel axle sleeve;
Described belt sleeve is located between described follower axle sleeve and the described driving wheel axle sleeve, one end of described belt is arranged between described follower Moving plate and the follower price fixing, the other end is arranged between described driving wheel Moving plate and the described driving wheel price fixing by overrunning clutch, to realize that the power between follower and driving wheel transmits, described overrunning clutch drives described driving wheel axle sleeve rotation under the rubbing action of described belt;
Described holddown spring is arranged on described follower axle sleeve surface and links to each other with described follower Moving plate, when the follower axle sleeve drives described follower Moving plate and the rotation of follower price fixing, described holddown spring is exerted pressure to described follower Moving plate, so that described belt is clamped between described follower Moving plate and the follower price fixing.
2. engine braking system according to claim 1 is characterized in that, has the gap between described driving wheel Moving plate and the described belt.
3. engine braking system according to claim 1 is characterized in that, described driving wheel axle sleeve links to each other with engine crankshaft.
4. engine braking system according to claim 1 is characterized in that, described follower Moving plate and follower price fixing are set in described follower axle sleeve surface.
5. engine braking system according to claim 1 is characterized in that, described driving wheel Moving plate and driving wheel price fixing are set in described driving wheel axle sleeve surface.
6. a stepless speed variator is characterized in that, comprises each described engine braking system of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103175130A CN103343786A (en) | 2013-07-24 | 2013-07-24 | Engine brake system and continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103175130A CN103343786A (en) | 2013-07-24 | 2013-07-24 | Engine brake system and continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103343786A true CN103343786A (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103175130A Pending CN103343786A (en) | 2013-07-24 | 2013-07-24 | Engine brake system and continuously variable transmission |
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| Country | Link |
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| CN (1) | CN103343786A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606811A (en) * | 2020-12-28 | 2021-04-06 | 浙江春风动力股份有限公司 | Vehicle downhill braking system and braking method |
| US11339866B2 (en) | 2018-04-23 | 2022-05-24 | Team Industries, Inc. | Continuously variable transmission engine braking system |
| US11906029B2 (en) | 2021-01-04 | 2024-02-20 | Team Industries, Inc. | Continuously variable transmission engine braking system |
| US11906030B2 (en) | 2021-12-17 | 2024-02-20 | Team Industries, Inc. | Continuously variable transmission engine braking system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149540A (en) * | 1997-09-17 | 2000-11-21 | Polaris Industries Inc. | Continuously variable transmission system with engine braking |
| US6743129B1 (en) * | 1999-11-29 | 2004-06-01 | Team Industries, Inc. | Clutch with no relative rotation |
| CN101191546A (en) * | 2007-12-11 | 2008-06-04 | 山东交通学院 | Composite automobile speed changer |
| CN102575757A (en) * | 2009-10-15 | 2012-07-11 | 蒂姆工业公司 | Engine braking primary clutch for cvt systems |
| CN203362898U (en) * | 2013-07-24 | 2013-12-25 | 浙江春风动力股份有限公司 | Engine braking system and stepless speed variator |
-
2013
- 2013-07-24 CN CN2013103175130A patent/CN103343786A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149540A (en) * | 1997-09-17 | 2000-11-21 | Polaris Industries Inc. | Continuously variable transmission system with engine braking |
| US6743129B1 (en) * | 1999-11-29 | 2004-06-01 | Team Industries, Inc. | Clutch with no relative rotation |
| CN101191546A (en) * | 2007-12-11 | 2008-06-04 | 山东交通学院 | Composite automobile speed changer |
| CN102575757A (en) * | 2009-10-15 | 2012-07-11 | 蒂姆工业公司 | Engine braking primary clutch for cvt systems |
| CN203362898U (en) * | 2013-07-24 | 2013-12-25 | 浙江春风动力股份有限公司 | Engine braking system and stepless speed variator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11339866B2 (en) | 2018-04-23 | 2022-05-24 | Team Industries, Inc. | Continuously variable transmission engine braking system |
| CN112606811A (en) * | 2020-12-28 | 2021-04-06 | 浙江春风动力股份有限公司 | Vehicle downhill braking system and braking method |
| CN112606811B (en) * | 2020-12-28 | 2023-06-13 | 浙江春风动力股份有限公司 | Vehicle downhill braking system and braking method |
| US11906029B2 (en) | 2021-01-04 | 2024-02-20 | Team Industries, Inc. | Continuously variable transmission engine braking system |
| US11906030B2 (en) | 2021-12-17 | 2024-02-20 | Team Industries, Inc. | Continuously variable transmission engine braking system |
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Application publication date: 20131009 |