CN206623671U - A kind of torsional vibration damper for electric automobile - Google Patents
A kind of torsional vibration damper for electric automobile Download PDFInfo
- Publication number
- CN206623671U CN206623671U CN201720183523.3U CN201720183523U CN206623671U CN 206623671 U CN206623671 U CN 206623671U CN 201720183523 U CN201720183523 U CN 201720183523U CN 206623671 U CN206623671 U CN 206623671U
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- Prior art keywords
- absorbing spring
- shock
- hub plate
- electric automobile
- interior
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Abstract
It the utility model is related to a kind of torsional vibration damper for electric automobile, the device is arranged between the motor of electric automobile and decelerator, device includes the hub plate being connected with motor and is arranged on hub plate both sides and the driven disk body being connected with decelerator, corresponding section offers hub plate shock-absorbing spring window, driven disk body shock-absorbing spring window respectively on hub plate and driven disk body, pass through nested type shock-absorbing spring group elastic connection with driven disk body circumferentially arranged with nested type shock-absorbing spring group, hub plate in hub plate shock-absorbing spring window.Compared with prior art, the utility model is by setting nested type shock-absorbing spring group, the frequency torque fluctuation of dynamical system can not only be slowed down, ensure the ride comfort of power transmission, can also be according to moment of torsion different between motor and decelerator and relative rotation speed flexible modulation nested type shock-absorbing spring group working method, to provide sizeable damping force, ensure the ride performance of electric automobile.
Description
Technical field
The utility model belongs to electric automobile parts technical field, is related to a kind of torsion damping for electric automobile and fills
Put.
Background technology
In recent years, people greatly develop the electric automobile with energy-conserving and environment-protective advantage.In electric automobile, due to motor generation
Fuel engines has been replaced, and the torque ripple characteristic of motor is different from fuel engines, therefore the drive system tool of electric automobile
There is its own feature.Multi-speed transmission needed for fuel engines driving has been simplified to single grade of decelerator on electric automobile,
And clutch used is also cancelled on electric automobile between fuel engines and speed changer, is instead then to pass through flower
Motor and decelerator are directly connected to by key.
Because spline is connected as being rigidly connected, thus do not possess vibration damping and cushioning effect.In electric automobile, to ensure electricity
The assembling of machine and decelerator, the spline coordinated between each other are coordinated using gap.Because electric automobile applying working condition is complicated, electricity
Chance produces frequent acceleration and deceleration, even if motor is in the steady state, its rotating speed is also difficult to precise and stable in a certain tachometer value, causes motor
Spline frequently impacts between decelerator, and does not have any fender system between motor and decelerator, the twisting vibration of motor
Directly act in transmission system, cause transmission system severe life time reduction.
Authorization Notice No. is that CN 203920384U Chinese utility model patent discloses a kind of electric automobile drivetrain
System, including motor and decelerator, there is output shaft in motor, input shaft is disposed with decelerator, input shaft is provided with external splines；Also
Including a torsion vibration absorber that motor is connected with decelerator.In the technical scheme of above-mentioned patent disclosure, pass through increase by one
The individual torsion vibration absorber that motor is connected with decelerator, the change for avoiding Motor torque and rotating speed are directly delivered to decelerator
On, the vibrations and impact of dynamical system are slow down, improve starting comfortableness and the transmission system life-span of electric automobile.But should
In use, due to being only provided with a kind of shock absorber part, the compression degree of damping force size and shock absorber part has torsion vibration absorber
Close, if the relative rotation amplitude of motor output shaft and reducer input shaft is smaller, damping force caused by shock absorber part can seem excessive；
And if the relative rotation amplitude of motor output shaft and reducer input shaft is larger, damping force can seem inclined caused by shock absorber part
It is small, easily make resonance amplitude excessive, job insecurity.
Utility model content
The purpose of this utility model is exactly being capable of basis in order to provide one kind the defects of overcoming above-mentioned prior art to exist
Different operating situation flexibly changes the torsional vibration damper for electric automobile of working method.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of torsional vibration damper for electric automobile, the device be arranged on the motor of electric automobile and decelerator it
Between, described device includes the hub plate being connected with motor and is arranged on hub plate both sides and is driven with decelerator
The driven disk body of connection, corresponding section offers hub plate shock-absorbing spring window respectively on described hub plate and driven disk body
Mouth, driven disk body shock-absorbing spring window, described hub plate shock-absorbing spring window are interior circumferentially arranged with nested type shock-absorbing spring
Group, described hub plate pass through nested type shock-absorbing spring group elastic connection with driven disk body.If between motor and decelerator
Rotating speed differs, then can be relatively rotated between hub plate and driven disk body, and is carried out by nested type shock-absorbing spring group
Buffering, shock loading is carried, and gradually enter action edge transmission, rotating speed between motor and decelerator is reached consistent.
As preferable technical scheme, described nested type shock-absorbing spring group is provided with multiple altogether, and is uniformly distributed circumferentially,
To ensure balance and stability during device work, and provide enough damping forces.
Described nested type shock-absorbing spring group includes the interior vibration damping being circumferentially disposed in hub plate shock-absorbing spring window
Spring and the outer shock-absorbing spring being set in outside interior shock-absorbing spring., can by setting the shock-absorbing spring of two kinds of different sizes
Flexibly change the working method of device according to different working conditions, meet different needs.
As preferable technical scheme, described interior shock-absorbing spring and outer shock-absorbing spring are cylindrically coiled spring.
The rigidity of described interior shock-absorbing spring is more than the rigidity of outer shock-absorbing spring, and the length of described interior shock-absorbing spring is less than
The length of outer shock-absorbing spring.Outer shock-absorbing spring can provide less damping force, the damping force that interior shock-absorbing spring can be larger.Outside
Shock-absorbing spring is introduced into working condition, and when needing larger damping force, interior shock-absorbing spring enters back into working condition.
The interior shock-absorbing spring being adapted with interior shock-absorbing spring is respectively equipped with described hub plate shock-absorbing spring window to lead
The outer shock-absorbing spring lead being adapted to post and with outer shock-absorbing spring, described interior shock-absorbing spring lead are located at interior vibration damping
The inside of spring, described outer shock-absorbing spring lead is between interior shock-absorbing spring and outer shock-absorbing spring.Interior shock-absorbing spring is led
Two pairs are equipped with to post and outer shock-absorbing spring lead, and two be circumferentially separately positioned in hub plate shock-absorbing spring window
End.Shock-absorbing spring lead is plugged in the both ends of interior shock-absorbing spring respectively in two pairs, and internal shock-absorbing spring be oriented to and spacing；
Two external shock-absorbing spring leads are plugged in the both ends of outer shock-absorbing spring respectively, and external shock-absorbing spring be oriented to and spacing.
The length of described interior shock-absorbing spring lead is more than the length of outer shock-absorbing spring lead.Due to interior shock-absorbing spring
Length be less than the length of outer shock-absorbing spring, in order to which dislocation occurs when preventing that interior shock-absorbing spring from working or comes off, it is steady to influence work
It is qualitative, thus in increasing shock-absorbing spring lead length, to reduce the distance between shock-absorbing spring lead in two pairs, prevent in
Shock-absorbing spring comes off at work.
Flange is provided with described driven disk body shock-absorbing spring window.Flange can be limited from the external shock-absorbing spring in outside
Position, prevents outer shock-absorbing spring from coming off at work.
Described driven disk body includes friction plate assembly, the damping disk(-isc) for being separately positioned on hub plate both sides, and described rubs
Pad component is fixedly linked with damping disk(-isc), and described friction plate assembly is connected with decelerator.Friction plate assembly and damping disk(-isc)
Hub plate is clipped in the middle together, ensures the resistance to overturning of device.
Connecting bolt is provided between described friction plate assembly and damping disk(-isc), and is fixedly linked by connecting bolt, it is described
Hub plate on connecting bolt corresponding section offer connecting bolt active window.Due to driven disk body and hub plate it
Between can relatively rotate, and be fixedly linked between friction plate assembly and damping disk(-isc) by connecting bolt, thus in hub plate
Upper setting connecting bolt active window, when being relatively rotated between driven disk body and hub plate, connecting bolt can be
Moved back and forth in connecting bolt active window, ensure effective work of device.
Described friction plate assembly includes driven disc and rubbed respectively with what the two sides of driven disc fitted for a pair
Pad, described driven disc are fixedly linked with damping disk(-isc), and described friction plate is connected with decelerator.Friction plate with it is driven
It is fixedly linked between disc by rivet.
As preferable technical scheme, T-slot is radially offered on described driven disc, to reduce driven disc
Warpage.Driven disc is made of 65Mn punching presses.
Damping fin is equipped between described friction plate assembly and hub plate, between hub plate and damping disk(-isc).Damping
Piece can not only absorb vibrational energy, so as to the purpose for reaching convergent mode of motion, improving ride performance, while can also vibration damping drop
Make an uproar, improve the resistance to shock of device, make work more steady.
As preferable technical scheme, described damping fin is fixedly linked with hub plate.
As preferable technical scheme, described hub plate is made by No. 45 steel forgings and is made, average tempering after integral quenching
It is wear-resisting to improve that modifier treatment is carried out to improve toughness, at hub plate shock-absorbing spring window, driven disk body shock-absorbing spring window
Property.
The utility model is in practical application, when the relative rotation amplitude between motor and decelerator is smaller, only just
Spend small outer shock-absorbing spring and be in compressive state, and produce required damping force, avoid the situation that damping force is excessive；When motor with
When relative rotation amplitude between decelerator is larger, interior shock-absorbing spring is in compressive state simultaneously with outer shock-absorbing spring, and rigidity is big
Interior shock-absorbing spring produce enough damping forces rapidly, with damping force caused by supplementing outer shock-absorbing spring, avoid damping force deficiency
Situation, ensure the stability of work.
Compared with prior art, the utility model has the characteristics that：
1) by setting nested type shock-absorbing spring group, the high pulling torque impact of motor moment can not only be born, slows down power
The frequency torque fluctuation of system, ensure the ride comfort of power transmission, additionally it is possible to according to moment of torsion different between motor and decelerator
And relative rotation speed flexible modulation nested type shock-absorbing spring group working method, to provide sizeable damping force, ensure electronic vapour
The ride performance of car；
2) by setting outer shock-absorbing spring lead, interior shock-absorbing spring lead and flange, outer shock-absorbing spring can be prevented
And the dislocation at work of interior shock-absorbing spring or come off, it ensure that the workability of outer shock-absorbing spring and interior shock-absorbing spring；
3) simple in construction, easy to maintenance, axial dimension is smaller, disclosure satisfy that the space arrangement of electric automobile, and uses the longevity
Life length.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of hub plate in the utility model；
Description of symbols in figure：
1-hub plate, 2-hub plate shock-absorbing spring window, 3-interior shock-absorbing spring, 4-outer shock-absorbing spring, 5-it is interior
Shock-absorbing spring lead, 6-outer shock-absorbing spring lead, 7-flange, 8-damping disk(-isc), 9-connecting bolt, 10-connecting bolt
Active window, 11-driven disc, 12-friction plate, 13-damping fin.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical scheme, give detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
Embodiment：
A kind of torsional vibration damper for electric automobile as shown in Figure 1, the device are arranged on the motor of electric automobile
Between decelerator, device include with motor drive connection hub plate 1 and be arranged on the both sides of hub plate 1 and with deceleration
The driven disk body of device drive connection, corresponding section offers hub plate shock-absorbing spring respectively on hub plate 1 and driven disk body
Window 2, driven disk body shock-absorbing spring window, circumferentially arranged with nested type shock-absorbing spring group in hub plate shock-absorbing spring window 2,
Hub plate 1 passes through nested type shock-absorbing spring group elastic connection with driven disk body.It is provided with and turns at driven disk body shock-absorbing spring window
Side 7.
As shown in Fig. 2 nested type shock-absorbing spring group is interior in hub plate shock-absorbing spring window 2 including being circumferentially disposed at
Shock-absorbing spring 3 and the outer shock-absorbing spring 4 being set in outside interior shock-absorbing spring 3.The rigidity of interior shock-absorbing spring 3 is more than outer vibration damping bullet
The rigidity of spring 4, the length of interior shock-absorbing spring 3 are less than the length of outer shock-absorbing spring 4.In hub plate shock-absorbing spring window 2 respectively
Provided with the interior shock-absorbing spring lead 5 being adapted with interior shock-absorbing spring 3 and the outer shock-absorbing spring being adapted with outer shock-absorbing spring 4
Lead 6, interior shock-absorbing spring lead 5 are located at the inside of interior shock-absorbing spring 3, and outer shock-absorbing spring lead 6 is located at interior vibration damping bullet
Between spring 3 and outer shock-absorbing spring 4.The length of interior shock-absorbing spring lead 5 is more than the length of outer shock-absorbing spring lead 6.
Driven disk body includes being separately positioned on friction plate assembly, the damping disk(-isc) 8 of the both sides of hub plate 1, friction plate assembly with
Damping disk(-isc) 8 is fixedly linked, and friction plate assembly is connected with decelerator.Connection spiral shell is provided between friction plate assembly and damping disk(-isc) 8
Bolt 9, and be fixedly linked by connecting bolt 9, connecting bolt activity is offered on hub plate 1 with the corresponding section of connecting bolt 9
Window 10.Friction plate assembly includes driven disc 11 and a pair of friction plates to be fitted respectively with the two sides of driven disc 11
12, driven disc 11 is fixedly linked with damping disk(-isc) 8, and friction plate 12 is connected with decelerator.Friction plate assembly and hub plate 1
Between, between hub plate 1 and damping disk(-isc) 8 be equipped with damping fin 13.
Device is in practical application, when the relative rotation amplitude between motor and decelerator is smaller, and only rigidity is small
Outer shock-absorbing spring 4 is in compressive state, and produces required damping force, avoids the situation that damping force is excessive；When motor is with slowing down
When relative rotation amplitude between device is larger, interior shock-absorbing spring 3 and outer shock-absorbing spring 4 be in compressive state simultaneously, and rigidity is greatly
Interior shock-absorbing spring 3 produces rapidly enough damping forces, with damping force caused by the outer shock-absorbing spring 4 of supplement, avoids damping force insufficient
Situation, ensure the stability of work.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using practicality
It is new.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, do not depart from improvement that the utility model category made and
Modification all should be within the scope of protection of the utility model.
Claims (10)
1. a kind of torsional vibration damper for electric automobile, the device is arranged between the motor of electric automobile and decelerator,
Characterized in that, described device includes the hub plate (1) being connected with motor and is arranged on hub plate (1) both sides
And with the driven disk body of decelerator drive connection, corresponding section offers respectively on described hub plate (1) and driven disk body
Hub plate shock-absorbing spring window (2), driven disk body shock-absorbing spring window, described hub plate shock-absorbing spring window (2) are interior
Circumferentially arranged with nested type shock-absorbing spring group, described hub plate (1) passes through nested type shock-absorbing spring group bullet with driven disk body
Property connection.
A kind of 2. torsional vibration damper for electric automobile according to claim 1, it is characterised in that described nesting
Formula shock-absorbing spring group includes the interior shock-absorbing spring (3) being circumferentially disposed in hub plate shock-absorbing spring window (2) and is arranged
In the outside outer shock-absorbing spring (4) of interior shock-absorbing spring (3).
3. a kind of torsional vibration damper for electric automobile according to claim 2, it is characterised in that subtract in described
The rigidity of spring (3) of shaking is more than the rigidity of outer shock-absorbing spring (4), and the length of described interior shock-absorbing spring (3) is less than outer vibration damping bullet
The length of spring (4).
4. a kind of torsional vibration damper for electric automobile according to claim 2, it is characterised in that described is driven
Be respectively equipped with hub shock-absorbing spring window (2) the interior shock-absorbing spring lead (5) that is adapted with interior shock-absorbing spring (3) and with
The outer shock-absorbing spring lead (6) that outer shock-absorbing spring (4) is adapted, described interior shock-absorbing spring lead (5) are located at interior vibration damping
The inside of spring (3), described outer shock-absorbing spring lead (6) is between interior shock-absorbing spring (3) and outer shock-absorbing spring (4).
5. a kind of torsional vibration damper for electric automobile according to claim 4, it is characterised in that subtract in described
The length of spring lead of shaking (5) is more than the length of outer shock-absorbing spring lead (6).
6. a kind of torsional vibration damper for electric automobile according to claim 1, it is characterised in that described is driven
Flange (7) is provided with disk body shock-absorbing spring window.
7. a kind of torsional vibration damper for electric automobile according to claim 1, it is characterised in that described is driven
Disk body includes friction plate assembly, the damping disk(-isc) (8) for being separately positioned on hub plate (1) both sides, and described friction plate assembly is with subtracting
The disk (8) that shakes is fixedly linked, and described friction plate assembly is connected with decelerator.
A kind of 8. torsional vibration damper for electric automobile according to claim 7, it is characterised in that described friction
Connecting bolt (9) is provided between piece component and damping disk(-isc) (8), and is fixedly linked by connecting bolt (9), described hub plate
(1) connecting bolt active window (10) is offered on connecting bolt (9) corresponding section.
A kind of 9. torsional vibration damper for electric automobile according to claim 7, it is characterised in that described friction
Piece component includes driven disc (11) and the friction plate (12) to be fitted respectively with the two sides of driven disc (11) for a pair, institute
The driven disc (11) stated is fixedly linked with damping disk(-isc) (8), and described friction plate (12) is connected with decelerator.
10. a kind of torsional vibration damper for electric automobile according to claim 7, it is characterised in that described rubs
Damping fin (13) is equipped between pad component and hub plate (1), between hub plate (1) and damping disk(-isc) (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183523.3U CN206623671U (en) | 2017-02-28 | 2017-02-28 | A kind of torsional vibration damper for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183523.3U CN206623671U (en) | 2017-02-28 | 2017-02-28 | A kind of torsional vibration damper for electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN206623671U true CN206623671U (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720183523.3U Expired - Fee Related CN206623671U (en) | 2017-02-28 | 2017-02-28 | A kind of torsional vibration damper for electric automobile |
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| CN (1) | CN206623671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532440A (en) * | 2018-12-18 | 2019-03-29 | 深圳汇百通汽车有限公司 | A kind of new-energy automobile high efficiency driver apparatus of stable drive |
-
2017
- 2017-02-28 CN CN201720183523.3U patent/CN206623671U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532440A (en) * | 2018-12-18 | 2019-03-29 | 深圳汇百通汽车有限公司 | A kind of new-energy automobile high efficiency driver apparatus of stable drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |