CN218625245U

CN218625245U - Torsional vibration absorber, axle assembly and vehicle

Info

Publication number: CN218625245U
Application number: CN202222309864.4U
Authority: CN
Inventors: 刘灵虎; 王书为; 李世浩; 陶泓源; 许志龙; 王利民; 牟旭
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-14
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a torsional vibration absorber, an axle assembly and a vehicle, wherein the torsional vibration absorber comprises a shell, and the shell is used for receiving driving force; the active vibration absorption elastic part is arranged in the shell and is internally provided with a transmission groove; and one end of the transmission component is embedded in the transmission groove, wherein the shell drives the active vibration absorption elastic part to synchronously rotate, and the active vibration absorption elastic part drives the transmission component to rotate through the transmission groove so as to output the driving force. Therefore, the split type transmission torsional vibration absorber not only can play a role in reducing vibration but also can effectively block the transmission of forward and reverse impact force under the condition of normally transmitting torque.

Description

Torsional vibration absorber, axle assembly and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a torsional vibration absorber, axle assembly and vehicle is related to.

Background

The vehicle runs by driving the axle assembly through the transmission shaft by the power device, and the rear axle needs to have the functions of driving and bearing, so that the moment fluctuation of the power system and the impact force during control are transmitted to the axle assembly through the transmission shaft; meanwhile, road surface impact borne by the wheel system is reversely transmitted to the power system through the rear axle and the transmission shaft, so that the impact and vibration of the whole vehicle are obvious, and the failure rate of the rear axle and the transmission is high. In order to solve the problem, a torsional vibration absorber is arranged in front of a transmission shaft and a rear axle in the prior art, and the mode of a transmission system is adjusted and the vibration amplitude of the transmission system is reduced by adjusting the natural frequency of the vibration absorber. However, although the torsional vibration absorber can attenuate the vibration of the transmission system in a fixed frequency band through mode matching, the torsional vibration absorber cannot block the transmission of the vibration and does not play a role in impact force caused by torque fluctuation, rapid acceleration, rapid deceleration and gear shifting.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a torsional vibration absorber, this torsional vibration absorber is through setting up split type rubber drive structure transmission moment of torsion, effectively blocks the transmission of forward and reverse vibration.

The utility model discloses an axle assembly is further proposed.

The utility model discloses a vehicle is further proposed again.

According to the utility model discloses torsional vibration absorber of first aspect embodiment, include

A housing for receiving a driving force;

the active vibration absorption elastic part is arranged in the shell and is internally provided with a transmission groove; and

and one end of the transmission component is embedded in the transmission groove, wherein the shell drives the active vibration absorption elastic piece to synchronously rotate, and the active vibration absorption elastic piece drives the transmission component to rotate through the transmission groove so as to output the driving force.

Therefore, the split type transmission torsional vibration absorber not only can play a role in reducing vibration but also can effectively block the transmission of forward and reverse impact force under the condition of normally transmitting torque.

According to the utility model discloses in some embodiments, the transmission assembly includes: the driving part comprises a driving part and a driven vibration-absorbing elastic part, wherein the driven vibration-absorbing elastic part is arranged on the driving part, the driven vibration-absorbing elastic part is embedded in the driving groove, and the driving part is used for outputting the driving force.

According to some embodiments of the invention, the transmission comprises: the driven vibration absorption elastic element is provided with a matching groove, and the flange plate is arranged in the matching groove.

According to some embodiments of the invention, the flange plate comprises: the driven vibration absorption elastic piece is arranged on the fixing part.

According to the utility model discloses an in some embodiments, all be equipped with the fixed orifices on the fixed part, the driven elasticity that shakes of inhaling inlays at least partially to be established in the fixed orifices.

According to some embodiments of the present invention, the torsional vibration absorber further comprises: the limiting plate is arranged at one axial side of the shell in an open mode, the limiting plate is connected to the open side of the shell, a through hole is formed in the limiting plate, and the transmission part penetrates through the through hole.

According to the utility model discloses an in some embodiments, the elastic component is inhaled to initiative and the driven elastic component that shakes of inhaling is the rubber spare, the elastic component that shakes is inhaled to initiative vulcanize in on the casing, the driven elastic component that shakes of inhaling vulcanize in on the driving medium.

According to the utility model discloses an in some embodiments, be equipped with the connecting hole on the casing, be equipped with the connecting piece in the connecting hole, the connecting piece includes connecting portion, connecting portion wear to establish outside the casing to connect the transmission shaft.

According to the utility model discloses axle assembly of second aspect embodiment includes:

a speed reducer;

the torsional vibration absorber adopts the torsional vibration absorber, and the transmission assembly is connected with the speed reducer to transmit driving force.

According to the utility model discloses vehicle of third aspect embodiment, including foretell axle assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic cross-sectional view of a torsional vibration absorber according to an embodiment of the present invention;

fig. 2 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1 according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of the structure of fig. 1 in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an axle assembly with a torsional vibration absorber according to an embodiment of the present invention.

Reference numerals:

100. a torsional vibration absorber; 200. an axle assembly;

1. a housing; 11. connecting holes; 2. an active vibration absorbing elastic member; 21. a transmission groove; 3. a transmission assembly; 4. a transmission member; 41. a shaft body; 42. a flange plate; 421. a fixed part; 4211. a fixing hole; 5. a driven vibration-absorbing elastic member; 51. a mating groove; 6. a limiting plate; 61. a through hole; 7. a connecting member; 8. and a speed reducer.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A torsional vibration absorber 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 3, the torsional vibration absorber 100 according to the embodiment of the present invention integrally includes: the drive vibration absorber comprises a shell 1, a drive vibration absorbing elastic part 2 arranged in the shell 1 and a transmission assembly 3, wherein the shell 1 is used for receiving drive force, a transmission groove 21 is formed in the drive vibration absorbing elastic part 2, and one end of the transmission assembly 3 is embedded in the transmission groove 21. Specifically, the active vibration absorbing elastic element 2 is disposed in the housing 1, and may be fixedly connected to the housing 1, or integrally and compositely disposed with the housing 1, so that the active vibration absorbing elastic element 2 and the housing 1 rotate synchronously.

When in use, one end of the torsional vibration absorber 100 is connected to the transmission shaft, the other end is connected to the speed reducer 8, the engine or the motor transmits the driving force to the housing 1 through the transmission shaft, the housing 1 drives the active vibration absorbing elastic member 2 to perform synchronous motion, and at this time, the transmission groove 21 of the active vibration absorbing elastic member 2 can drive the transmission assembly 3 to rotate, so as to output the driving force from the transmission assembly 3.

In the process, through the arrangement of split type transmission between the active vibration absorption elastic part 2 and the transmission component 3, the transmission of impact force caused by moment fluctuation, sudden acceleration/deceleration and gear shifting to one side of the transmission shaft to one side of the transmission component 3 can be effectively blocked, so that the problem of knocking or rolling of a gear structure on one side of the transmission component 3 is avoided, and the service life of the gear of the rear axle assembly is prolonged. In a similar way, the road impact force born by the wheel system can be blocked by the active vibration absorption elastic part 2, so that the problem that the impact force is reversely transmitted to a power system through a rear axle and a transmission shaft to cause the impact and vibration of the whole vehicle is solved.

Simultaneously, through the setting of split type transmission between the elastic component 2 and the drive assembly 3 of initiatively shaking, the maintenance of the torsional vibration absorber of not only being convenient for, but also can realize the effect of second grade damping through setting up different rigidity, specifically, can set the elastic component 2 and the drive assembly 3 of initiatively shaking to great rigidity difference respectively, thereby draw big initiative and shake the natural frequency between elastic component 2 and the drive assembly 3, through the adjustment to the natural frequency, can adjust the transmission system mode, reduce its range of shaking.

Further, on the basis of the above embodiment, as shown in fig. 3, the transmission assembly 3 includes the transmission member 4 and the driven-vibration absorbing elastic member 5, the driven-vibration absorbing elastic member 5 is disposed on the transmission member 4, the driven-vibration absorbing elastic member 5 is embedded in the transmission groove 21, and the transmission member 4 is used for outputting the driving force. Specifically, the principle of the driven vibration absorbing elastic member 5 is the same as that of the active vibration absorbing elastic member 2, and the transmission unit 3 is provided with the driven vibration absorbing elastic member 5 to achieve a double vibration absorbing and buffering effect, thereby further blocking the transmission of the impact force.

Still further, on the basis of the above-described embodiments, as shown in fig. 1 and 3, the transmission member 4 includes: the driven-vibration absorbing elastic element 5 includes a shaft body 41 and a flange plate 42, the flange plate 42 is provided at one end of the shaft body 41, an engagement groove 51 is provided in the driven-vibration absorbing elastic element 5, and the flange plate 42 is provided in the engagement groove 51. Specifically, the shaft body 41 is used for outputting a driving force, and when the torsional vibration absorber is connected to the axle assembly, the shaft body 41 is connected to the speed reducer 8, so that the driving force is transmitted to the speed reduction. In order to facilitate the transmission connection between the shaft body 41 and the driven vibration-absorbing elastic member 5, a flange plate 42 is disposed on the shaft body 41, and the flange plate 42 can function as a rigid skeleton of the driven vibration-absorbing elastic member 5 to facilitate the transmission of a larger torque, and can also realize the rigid connection between the driven vibration-absorbing elastic member 5 and the shaft body 41.

Further, on the basis of the above embodiment, as shown in fig. 2, the flange plate 42 includes a plurality of fixing portions 421, the plurality of fixing portions 421 are distributed in a ring array, and the driven vibration-absorbing elastic member 5 is disposed on the fixing portions 421, wherein, taking the example of four fixing portions 421 disposed on the flange plate 42, that is, the fixing portions 421 are extended to protrude outward along the radial direction of the shaft body 41, and the four fixing portions 421 are uniformly distributed along the shaft center, and are shaped like petals, and the driven vibration-absorbing elastic member 5 is disposed on the fixing portions 421 and is shaped like a disc, and at the same time, the structure of the transmission groove 21 is set to be the same as the shape of the driven vibration-absorbing elastic member 5, and after the driven vibration-absorbing elastic member 5 is fitted in the transmission groove 21, a meshing transmission structure can be formed between the driven vibration-absorbing elastic member 5 and the transmission groove 21, thereby facilitating the transmission of the torque.

Further, in addition to the above-described embodiment, as shown in fig. 2, the fixing portions are each provided with a fixing hole 4211, and the driven vibration-absorbing elastic member 5 is at least partially fitted into the fixing hole 4211, specifically, since the transmission of the driving force between the driven vibration-absorbing elastic member 5 and the transmission groove 21 is realized by the tangential force, the driven vibration-absorbing elastic member 5 is at least partially fitted into the fixing hole 4211, which contributes to the better integration of the driven vibration-absorbing elastic member 5 and the flange plate 42 into one body, and thereby the occurrence of the torsional deformation of the driven vibration-absorbing elastic member 5 during the high torque transmission can be effectively avoided.

The utility model discloses an in some embodiments, as shown in fig. 1 and fig. 3, the torsional vibration absorber still includes limiting plate 6, and the setting is opened to casing 1's axial one side, and limiting plate 6 is connected in casing 1's the side of opening, is equipped with through-hole 61 on the limiting plate 6, and through-hole 61 department is worn to locate by driving medium 4. Specifically, 1 encloses to close and forms a cavity, the initiative is inhaled and is inhaled elastic component 2 and driven and inhale that to inhale elastic component 5 and all locate in this cavity, set up limiting plate 6 in this cavity opening one side back, can play the effect of closed cavity, thereby avoid foul or foreign matter to get into in this cavity, more importantly can restrict the driven movement of inhaling the elastic component 5 along axial direction of inhaling, avoid the driven condition emergence of inhaling that the elastic component 5 breaks away from driving groove 21 of inhaling, thereby promote torsional vibration absorber's operational reliability.

In some embodiments of the utility model, as shown in fig. 1, the elastic component 2 and the driven elastic component 5 that shakes of initiatively shaking are the rubber spare, the elastic component 2 that shakes of initiatively shaking vulcanizes on casing 1, the driven elastic component 5 that shakes of shaking vulcanizes on driving medium 4, it is concrete, vulcanized rubber is the most commonly used material in the vehicle field, use cost is less, thereby directly compound vulcanized rubber on casing 1 or drive assembly 3, not only simple structure, the cost is still low, simultaneously can also the full play rubber the effect of shaking reduction and shake, comprehensive properties is better.

In some embodiments of the present invention, as shown in fig. 3, a connecting hole 11 is formed on the casing 1, a connecting member 7 is disposed in the connecting hole 11, the connecting member 7 includes a connecting portion, and the connecting portion penetrates through the casing 1 to connect the transmission shaft. Specifically, a split type connecting structure can be formed by matching the connecting hole 11 and the connecting piece 7, the structure is simple, production is convenient, and therefore manufacturing cost is reduced.

As shown in fig. 4, according to the utility model discloses an axle assembly 200 includes: a speed reducer 8 and a torsional vibration absorber 100, wherein the torsional vibration absorber 100 employs the torsional vibration absorber 100 of the above-described embodiment, and the transmission member 3 is connected to the speed reducer 8 to transmit the driving force, and by employing the torsional vibration absorber 100 of the above-described embodiment, it is possible to effectively block the transmission of vibration and impact force between the transmission shaft and the axle assembly 200, thereby protecting the gears and oil seals of the axle assembly 200.

According to the utility model discloses vehicle, including the axle assembly 200 of above-mentioned embodiment, it is concrete, adopt above-mentioned axle assembly 200, can obtain better life and driving comfort, be favorable to promoting the competitiveness of vehicle.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A torsional vibration absorber (100) characterized by comprising:

a housing (1), the housing (1) being for receiving a driving force;

the active vibration absorption elastic part (2), the active vibration absorption elastic part (2) is arranged in the shell (1), and a transmission groove (21) is arranged in the active vibration absorption elastic part (2); and

the driving mechanism comprises a driving component (3), wherein one end of the driving component (3) is embedded in a driving groove (21), the shell (1) drives the active vibration absorption elastic piece (2) to synchronously rotate, and the active vibration absorption elastic piece (2) drives the driving component (3) to rotate through the driving groove (21) so as to output the driving force.

2. The torsional vibration absorber (100) of claim 1, wherein the transmission assembly (3) comprises: the driving device comprises a driving part (4) and a driven vibration absorption elastic part (5), wherein the driven vibration absorption elastic part (5) is arranged on the driving part (4), the driven vibration absorption elastic part (5) is embedded in a driving groove (21), and the driving part (4) is used for outputting the driving force.

3. The torsional vibration absorber (100) of claim 2, wherein the transmission (4) comprises: the driven vibration-absorbing elastic piece comprises a shaft body (41) and a flange plate (42), wherein the flange plate (42) is arranged at one end of the shaft body (41), the driven vibration-absorbing elastic piece (5) is provided with a matching groove (51), and the flange plate (42) is arranged in the matching groove (51).

4. The torsional vibration absorber (100) of claim 3 wherein the flange plate (42) comprises: the driven vibration absorption device comprises a plurality of fixing parts (421), wherein the fixing parts (421) are distributed in an annular array, and the driven vibration absorption elastic part (5) is arranged on the fixing parts (421).

5. The torsional vibration absorber (100) of claim 4 wherein the fixing portions (421) are each provided with a fixing hole (4211), and the driven vibration-absorbing elastic member (5) is at least partially embedded in the fixing hole (4211).

6. The torsional vibration absorber (100) of claim 2, further comprising: the limiting plate (6), the open setting in axial one side of casing (1), limiting plate (6) connect in the open side of casing (1), be equipped with through-hole (61) on limiting plate (6), driving medium (4) are worn to locate through-hole (61).

7. The torsional vibration absorber (100) of claim 2 wherein the active vibration-absorbing elastic element (2) and the driven vibration-absorbing elastic element (5) are both rubber elements, the active vibration-absorbing elastic element (2) being vulcanized to the housing (1) and the driven vibration-absorbing elastic element (5) being vulcanized to the transmission element (4).

8. The torsional vibration absorber (100) of claim 1 wherein the housing (1) is provided with coupling holes (11), wherein coupling members (7) are provided in the coupling holes (11), and wherein coupling portions of the coupling members (7) are passed out of the housing (1) to couple to a transmission shaft.

9. An axle assembly (200), comprising:

a speed reducer (8);

torsional vibration absorber (100), the torsional vibration absorber (100) employing a torsional vibration absorber (100) according to any of claims 1-8, the transmission assembly (3) being connected to the reducer (8) for transmitting the driving force.

10. A vehicle, characterized by comprising: an axle assembly as set forth in claim 9.