CN212985918U

CN212985918U - Flywheel assembly, engine assembly and vehicle

Info

Publication number: CN212985918U
Application number: CN202021255714.4U
Authority: CN
Inventors: 刘伟达; 杨立云; 刘井年; 刘蒙; 郭启龙
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-16
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the technical field of engines, specifically disclose a flywheel assembly, engine assembly and vehicle, this flywheel assembly includes standard flywheel and module flywheel, the standard flywheel includes first terminal surface and the second terminal surface that sets up along the axial interval, first terminal surface is used for and treats adapting unit and connects, module flywheel detachably sets up in the second terminal surface, module flywheel alternative is selected in a plurality of alternative flywheels, the external diameter of each alternative flywheel equals, and the quality of each alternative flywheel is different each other. Through setting up the flywheel assembly components of a whole that can function independently into standard flywheel and module flywheel, when maintaining, only need with the module flywheel follow standard flywheel dismantle get off change can, need not to dismantle parts such as gearbox, it is convenient to maintain to owing to be equipped with the alternative flywheel of multiple quality, thereby adaptable different models are to the needs of flywheel quality, simultaneously, fall into two parts with the flywheel assembly, be convenient for separately transport, do benefit to and store.

Description

Flywheel assembly, engine assembly and vehicle

Technical Field

The utility model relates to an engine technical field especially relates to a flywheel assembly, engine assembly and vehicle.

Background

The friction of the clutch plates is improper, and the friction is large during starting or gear shifting, so that the wear of the flywheel is easily accelerated or thermal fatigue cracks are generated, the damage to the flywheel is easily caused, and the flywheel needs to be maintained at the moment.

However, the existing flywheel is usually of an integrated structure, when some engines are matched with a whole vehicle or a unit, the matching of the shock absorber is difficult and the universality is not high due to different inertia of rear-end connecting parts (such as a clutch, the unit and the like); when the existing flywheel is maintained, parts such as a gearbox and the like need to be dismantled, and particularly, large-scale machines are difficult to maintain, so that the maintenance cost is high; meanwhile, the flywheel has large mass and strict antirust requirement, and is inconvenient to transport and store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: a flywheel assembly, an engine assembly and a vehicle are provided to enhance the versatility of a flywheel.

In one aspect, the utility model provides a flywheel assembly, this flywheel assembly includes:

the standard flywheel comprises a first end face and a second end face which are arranged at intervals along the axial direction, and the first end face is used for being connected with a part to be connected;

the module flywheel is detachably arranged on the second end face, the module flywheel is selected from a plurality of alternative flywheels, the outer diameter of each alternative flywheel is equal, and the mass of each alternative flywheel is different from each other.

As the preferred technical scheme of the flywheel assembly, the flywheel assembly further comprises a plurality of connecting pieces which are uniformly distributed along the circumferential direction of the standard flywheel, and the connecting pieces are used for connecting the standard flywheel and the module flywheel.

As a preferred technical scheme of the flywheel assembly, the connecting piece is a bolt, a threaded hole is formed in one of the standard flywheel and the module flywheel, a mounting hole is formed in the other one of the standard flywheel and the module flywheel, and the bolt penetrates through the mounting hole and is in threaded connection with the threaded hole.

As a preferred technical scheme of the flywheel assembly, the connecting piece is a pin, a first pin hole and a second pin hole are respectively formed in the standard flywheel and the module flywheel, and two ends of the pin are respectively inserted into the first pin hole and the second pin hole.

As a preferred technical scheme of the flywheel assembly, the module flywheel is provided with an inner end face attached to the standard flywheel and an outer end face axially spaced from the inner end face, and a weight reduction circular groove coaxial with the module flywheel is formed in the inner end face.

As the preferred technical scheme of flywheel assembly, still be equipped with on the inner terminal surface and subtract heavy annular, it is located to subtract heavy annular subtract the periphery of heavy circular slot, just subtract heavy annular with subtract heavy circular slot and set up with the axle center.

As a preferable technical scheme of the flywheel assembly, the groove depth of the weight-reducing ring groove is equal to that of the weight-reducing circular groove.

As a preferred technical scheme of the flywheel assembly, a through hole is formed in the module flywheel and communicated with the weight reduction circular groove.

On the other hand, the utility model provides an engine assembly, including the flywheel assembly in any one above-mentioned scheme.

In another aspect, the present invention provides a vehicle including an engine assembly according to any one of the above aspects.

The utility model has the advantages that:

the utility model provides a flywheel assembly, engine and vehicle, this flywheel assembly include standard flywheel and module flywheel, the standard flywheel includes first terminal surface and the second terminal surface that sets up along the axial interval, first terminal surface is used for and treats adapting unit and connect, module flywheel detachably sets up in the second terminal surface, module flywheel alternative is selected in a plurality of alternative flywheels, the external diameter of each alternative flywheel equals, and the quality of each alternative flywheel is different each other. Through setting up the flywheel assembly components of a whole that can function independently into standard flywheel and module flywheel, when maintaining, only need with the module flywheel follow standard flywheel dismantle get off change can, need not to dismantle parts such as gearbox, it is convenient to maintain to owing to be equipped with the alternative flywheel of multiple quality, thereby adaptable different models are to the needs of flywheel quality, simultaneously, fall into two parts with the flywheel assembly, be convenient for separately transport, do benefit to and store.

Drawings

FIG. 1 is a schematic structural diagram of a flywheel assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a module flywheel according to an embodiment of the present invention.

In the figure:

1. a standard flywheel; 11. a first end face; 12. a second end face; 13. a threaded hole;

2. a modular flywheel; 21. mounting holes; 22. an inner end surface; 23. an outer end face; 24. a weight-reducing circular groove; 25. a weight-reducing ring groove; 26. a through hole;

3. and (4) bolts.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 2, the present embodiment provides a flywheel assembly, which includes a standard flywheel 1 and a module flywheel 2. The standard flywheel 1 comprises a first end surface 11 and a second end surface 12 which are arranged at intervals along the axial direction, the first end surface 11 is used for being connected with a part to be connected, and the part to be connected can be a crankshaft and the like. The module flywheel 2 is detachably arranged on the second end face 12, the module flywheel 2 is selected from a plurality of alternative flywheels, the outer diameters of the alternative flywheels are equal, the masses of the alternative flywheels are different from each other, and the module flywheel 2 is used for being connected with a clutch or a machine body. In this implementation, through setting up the flywheel assembly components of a whole that can function independently into standard flywheel 1 and module flywheel 2, when maintaining, only need with module flywheel 2 from standard flywheel 1 dismantle get off change can, need not to dismantle parts such as gearbox, it is convenient to maintain, and owing to be equipped with the alternative flywheel of multiple quality, thereby the needs of adaptable different models to the flywheel quality, simultaneously, fall into two parts with the flywheel assembly, be convenient for separately transport does benefit to and stores.

Optionally, the flywheel assembly further comprises a plurality of connecting members evenly distributed along the circumferential direction of the standard flywheel 1, and the connecting members are used for connecting the standard flywheel 1 and the module flywheel 2. The connecting piece can be a bolt 3, one of the standard flywheel 1 and the module flywheel 2 is provided with a threaded hole 13, the other of the standard flywheel 1 and the module flywheel 2 is provided with a mounting hole 21, the bolt 3 penetrates through the mounting hole 21 and is in threaded connection with the threaded hole 13, and the standard flywheel 1 and the module flywheel 2 can be fixed together through the bolt 3. In the present embodiment, the threaded holes 13 are provided in the standard flywheel 1, and the mounting holes 21 are provided in the module flywheel 2. The connecting piece can also be a pin, a first pin hole and a second pin hole are respectively arranged on the standard flywheel 1 and the module flywheel 2, and two ends of the pin are respectively inserted into the first pin hole and the second pin hole. In other embodiments, the connector may also be a combination of a bolt 3 and a pin, and the connector may also be a bolt 3 and a nut threadedly engaged with the bolt 3.

Optionally, the axial thickness of the module flywheel 2 is a fixed value, the module flywheel 2 has an inner end surface 22 attached to the standard flywheel 1 and an outer end surface 23 axially spaced from the inner end surface 22, the inner end surface 22 is provided with a weight-reducing circular groove 24 coaxial with the module flywheel 2, the inner diameter of the weight-reducing circular groove 24 is D10, D10 is greater than or equal to D11 and less than or equal to D21, and D11 and D21 are a first lower limit value and a second upper limit value, respectively. Thus, the mass of the module flywheel 2 can be adjusted by changing the inner diameter of the weight-reducing circular groove 24.

Optionally, the inner end surface 22 is further provided with a weight-reducing ring groove 25, the weight-reducing ring groove 25 is located on the outer periphery of the weight-reducing ring groove 24, the weight-reducing ring groove 25 and the weight-reducing ring groove 24 are coaxially arranged, the inner diameter of the weight-reducing ring groove 25 is D20, D20 is greater than or equal to D12 and less than or equal to D22, D12 and D22 are respectively a second lower limit value and a second upper limit value, D12 is greater than D21, the outer diameter of the weight-reducing ring groove 25 is D30, D30 is greater than or equal to D13 and less than or equal to D23, D13 and D23 are respectively a third lower limit value and a third upper limit value, and D13 is greater than D22. The groove depth of the weight-reducing ring groove 25 is L10, L10 is greater than or equal to L1 and less than or equal to L2, and preferably, the groove depth of the weight-reducing ring groove 25 is equal to the groove depth of the weight-reducing circular groove 24. L1 and L2 are the fourth lower limit value and the fourth upper limit value, respectively. By providing the weight-reducing ring groove 25, the mass of the module flywheel 2 can be adjusted by changing one or more of the inner diameter, the outer diameter and the groove depth of the weight-reducing ring groove 25, and the mass of the module flywheel 2 can be further conveniently adjusted.

Optionally, a through hole 26 is formed in the module flywheel 2, the through hole 26 is communicated with the weight-reducing circular groove 24, the aperture of the through hole 26 is equal to D1, and D1 is smaller than or equal to D11. In the present embodiment, the through hole 26 and the weight-reducing circular groove 24 are integrally formed as a stepped hole. In this embodiment, the module flywheel 2 has an outer diameter D2, D2 being greater than D23.

The embodiment also provides an engine assembly, which comprises the flywheel assembly in the scheme.

The embodiment also provides a vehicle comprising the engine assembly in the scheme.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A flywheel assembly, comprising:

the standard flywheel (1) comprises a first end face (11) and a second end face (12) which are arranged at intervals along the axial direction, wherein the first end face (11) is used for being connected with a part to be connected;

the module flywheel (2), the module flywheel (2) detachably set up in second terminal surface (12), module flywheel (2) one is selected in a plurality of alternative flywheels, each the external diameter of alternative flywheel is equal, and each the quality of alternative flywheel is different each other.

2. A flywheel assembly according to claim 1, characterised in that it further comprises a plurality of connecting elements evenly distributed along the circumferential direction of the standard flywheel (1) for connecting the standard flywheel (1) and the module flywheel (2).

3. The flywheel assembly according to claim 2, characterized in that the connecting member is a bolt (3), one of the standard flywheel (1) and the module flywheel (2) is provided with a threaded hole (13), the other of the standard flywheel (1) and the module flywheel (2) is provided with a mounting hole (21), and the bolt (3) passes through the mounting hole (21) and is screwed with the threaded hole (13).

4. The flywheel assembly according to claim 2, wherein the connecting member is a pin, the standard flywheel (1) and the module flywheel (2) are respectively provided with a first pin hole and a second pin hole, and two ends of the pin are respectively inserted into the first pin hole and the second pin hole.

5. A flywheel assembly according to claim 1, characterised in that the module flywheel (2) has an inner end face (22) which is attached to the standard flywheel (1) and an outer end face (23) which is axially spaced from the inner end face (22), the inner end face (22) being provided with a circular lightening slot (24) which is coaxial with the module flywheel (2).

6. The flywheel assembly according to claim 5, characterized in that the inner end surface (22) is further provided with a weight reduction ring groove (25), the weight reduction ring groove (25) is located at the outer periphery of the weight reduction circular groove (24), and the weight reduction ring groove (25) and the weight reduction circular groove (24) are coaxially arranged.

7. The flywheel assembly according to claim 6, characterized in that the weight-reducing ring groove (25) has a groove depth equal to the groove depth of the weight-reducing circular groove (24).

8. A flywheel assembly according to claim 5, characterised in that said modular flywheel (2) is provided with through holes (26), said through holes (26) communicating with said lightening round slots (24).

9. An engine assembly comprising a flywheel assembly as claimed in any one of claims 1 to 8.

10. A vehicle comprising the engine assembly of claim 9.