CN203362898U - Engine braking system and stepless speed variator - Google Patents
Engine braking system and stepless speed variator Download PDFInfo
- Publication number
- CN203362898U CN203362898U CN 201320449691 CN201320449691U CN203362898U CN 203362898 U CN203362898 U CN 203362898U CN 201320449691 CN201320449691 CN 201320449691 CN 201320449691 U CN201320449691 U CN 201320449691U CN 203362898 U CN203362898 U CN 203362898U
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- driving wheel
- follower
- moving plate
- axle sleeve
- price fixing
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Abstract
The embodiment of the utility model provides an engine braking system and a stepless speed variator. The engine braking 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 pressure spring, wherein the driven wheel movable disc and the driven wheel fixed disc are driven to rotate by the driven wheel shaft sleeve; 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; the driving wheel movable disc and the driving wheel fixed disc are driven to rotate by the driving wheel shaft sleeve; 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 driving wheel movable disc and the driving wheel fixed disc by the one-way clutch; the pressure spring is arranged on the surface of the driven wheel shaft sleeve and is connected with the driven wheel movable disc. The engine braking system improves the effect of cutting off the power which is transmitted into a vehicle by an engine.
Description
Technical field
The utility model relates to the vehicle technology field, more particularly, relates to a kind of engine braking system and stepless speed variator.
Background technique
Under the normal driving cycle of Motor Vehicle, motor, as the power source of Motor Vehicle, can be sent to energy on wheel by transmission system, overcomes various running resistances with the driving machine motor-car and normally travels; But under some operating mode, motor there will be the situation of energy anti-pass, for example Motor Vehicle is when descending, because the Action of Gravity Field Motor Vehicle will maintain a higher speed of a motor vehicle, the now effect 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 the braking of motor to Motor Vehicle, and the motor vehicle components 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, deflation type braking and compression-release type braking, yet the mode of braking of these three kinds of motors cut-out motor need to promote to the effect of vehicle transmission power, therefore on the basis of available engine mode of braking, a kind of engine braking system is provided, and the effect with lifting cut-out motor to vehicle transmission power necessitates.
The model utility content
In view of this, the utility model embodiment provides a kind of engine braking system and stepless speed variator, to promote, cuts off the effect of motor to vehicle transmission power.
For achieving the above object, the utility model embodiment 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, drive backspin at described follower shaft cover and turn;
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 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 described driving wheel axle sleeve, one end of described belt is arranged between described follower Moving plate and follower price fixing, the other end is arranged between described driving wheel Moving plate and 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 is connected with described follower Moving plate, when the follower shaft cover 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 follower price fixing.
Wherein, there is gap between described driving wheel Moving plate and described belt.
Wherein, described driving wheel axle sleeve is connected 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 utility model embodiment also provides a kind of stepless speed variator, comprises engine braking system described above.
Based on technique scheme, the engine braking system that the utility model embodiment 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 now is arranged on follower axle sleeve surface and is connected with the follower Moving plate will be exerted pressure to the follower Moving plate, thereby make belt be clamped between follower Moving plate and 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 drive the overrunning clutch rotation by friction, the overrunning clutch of rotation will drive the rotation of driving wheel axle sleeve, the rotation of drive sprocket axle cuff dynamic crankshaft, thereby by more slow-revving bent axle brake motor-car, thereby cut off motor and transmitted power to vehicle.The engine braking system that the utility model embodiment provides, on the basis of available engine mode of braking, has promoted and has cut off the effect of motor to vehicle transmission power.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structured flowchart of the engine braking system that Fig. 1 provides for the utility model embodiment.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment who obtains, and all belong to the scope of the utility model protection.
The structured flowchart of the engine braking system that Fig. 1 provides for the utility model embodiment, engine braking system parts shown in Fig. 1 can be the parts in stepless speed variator, with reference to Fig. 1, the engine braking system that the utility model embodiment 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 is connected 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 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 utility model embodiment, overrunning clutch 6 is arranged on the surface of driving wheel axle sleeve 4, and overrunning clutch 6, when the work rotation, only can drive the direction rotation of driving wheel axle sleeve 4 to reducing speed of motor vehicle, and the direction rotation that can't accelerate to Motor Vehicle;
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 transmits for realizing the power between follower and driving wheel, belt 8 can be set between follower axle sleeve 1 and 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 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 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 provided by the utility model embodiment, 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 now is arranged on follower axle sleeve 1 surface and is connected 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 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 drive overrunning clutch 6 rotations by friction, the overrunning clutch 6 of rotation will drive 4 rotations of driving wheel axle sleeve, the rotation of drive sprocket axle cuff dynamic crankshaft, thereby by more slow-revving bent axle brake motor-car, thereby cut off motor and transmitted power to vehicle.The engine braking system that the utility model embodiment provides, on the basis of available engine mode of braking, has promoted and has cut off the effect of motor to vehicle transmission power.
Optionally, between driving wheel Moving plate 5 and belt 8, have gap,, there is gap in A as shown in Figure 1 between the beveled end of concrete can be driving wheel Moving plate 5 and belt 8.In the utility model embodiment, 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, due to the single effect of overrunning clutch 6, driving wheel axle sleeve 4 can't drive belts 8 rotations by overrunning clutch 6; Equally, owing between driving wheel Moving plate 5 and belt 8, having gap, driving wheel Moving plate 5 can't drive belt 8 rotations, thereby further promoted, cuts off the effect of motor to vehicle transmission power.
When Motor Vehicle normally travels, raising due to engine speed, driving wheel Moving plate 5 will move to the direction of belt 8, driving wheel Moving plate 5 will clamp belt 8 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 utility model embodiment can have a plurality of.
The utility model embodiment also provides a kind of stepless speed variator, comprises engine braking system described above.
The engine braking system that the utility model embodiment provides has been realized the power cut between motor and wheel, has realized good motor auxiliary braking.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiments will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest 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, drive backspin at described follower shaft cover and turn;
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 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 described driving wheel axle sleeve, one end of described belt is arranged between described follower Moving plate and follower price fixing, the other end is arranged between described driving wheel Moving plate and 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 is connected with described follower Moving plate, when the follower shaft cover 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 follower price fixing.
2. engine braking system according to claim 1, is characterized in that, between described driving wheel Moving plate and described belt, has gap.
3. engine braking system according to claim 1, is characterized in that, described driving wheel axle sleeve is connected 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 the described engine braking system of claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320449691 CN203362898U (en) | 2013-07-24 | 2013-07-24 | Engine braking system and stepless speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320449691 CN203362898U (en) | 2013-07-24 | 2013-07-24 | Engine braking system and stepless speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362898U true CN203362898U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320449691 Expired - Lifetime CN203362898U (en) | 2013-07-24 | 2013-07-24 | Engine braking system and stepless speed variator |
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| CN (1) | CN203362898U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343786A (en) * | 2013-07-24 | 2013-10-09 | 浙江春风动力股份有限公司 | Engine brake system and continuously variable transmission |
| CN105697695A (en) * | 2016-03-02 | 2016-06-22 | 九方泰禾国际重工(青岛)股份有限公司 | Harvester fan speed adjusting device with tensioning function and speed adjusting method |
| CN110254206A (en) * | 2019-07-25 | 2019-09-20 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle hybrid architecture and all-terrain vehicle |
| CN110254205A (en) * | 2019-07-25 | 2019-09-20 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle hybrid architecture and all-terrain vehicle |
-
2013
- 2013-07-24 CN CN 201320449691 patent/CN203362898U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343786A (en) * | 2013-07-24 | 2013-10-09 | 浙江春风动力股份有限公司 | Engine brake system and continuously variable transmission |
| CN105697695A (en) * | 2016-03-02 | 2016-06-22 | 九方泰禾国际重工(青岛)股份有限公司 | Harvester fan speed adjusting device with tensioning function and speed adjusting method |
| CN110254206A (en) * | 2019-07-25 | 2019-09-20 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle hybrid architecture and all-terrain vehicle |
| CN110254205A (en) * | 2019-07-25 | 2019-09-20 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle hybrid architecture and all-terrain vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |