CN215980626U - Flywheel assembly and crankshaft flywheel set - Google Patents
Flywheel assembly and crankshaft flywheel set Download PDFInfo
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- CN215980626U CN215980626U CN202121410447.8U CN202121410447U CN215980626U CN 215980626 U CN215980626 U CN 215980626U CN 202121410447 U CN202121410447 U CN 202121410447U CN 215980626 U CN215980626 U CN 215980626U
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- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The application discloses a flywheel assembly and a crankshaft flywheel set, wherein the flywheel assembly comprises a flywheel body, a flywheel connecting disc and a first connecting bolt, and the flywheel body is provided with a flywheel body first connecting hole; the rear end face of the flywheel connecting disc is attached to the front end face of the flywheel body, and the flywheel connecting disc is provided with a first flywheel connecting disc connecting hole corresponding to the first flywheel connecting hole in position and a second flywheel connecting disc connecting hole used for connecting a product; the first connecting bolt is arranged in the first connecting hole of the flywheel body and the first connecting hole of the flywheel connecting disc, and the flywheel body is detachably connected with the flywheel connecting disc. The flywheel assembly provided by the application adopts a combination form of the flywheel body and the flywheel connecting disc, the processing difficulty and the assembling difficulty of the flywheel assembly are reduced, and defects are not easy to generate during processing.
Description
Technical Field
The application relates to the technical field of internal combustion engines, in particular to a flywheel assembly. In addition, the application also relates to a crankshaft flywheel set comprising the flywheel assembly.
Background
The engine flywheel has the main function of storing the energy of work stroke and overcoming the resistance of air intake, compression and exhaust stroke and other resistance to make the crankshaft rotate uniformly. The gear ring pressed on the outer edge of the flywheel is meshed with a driving gear of a starting motor for starting an engine; the automobile clutch is also arranged on the flywheel, and the rear end surface of the flywheel is used as a friction surface of a driving piece for transmitting power to the outside.
With the application of the internal combustion engine in various fields, the engine is not only matched with vehicles, but also matched with different non-road application scenes such as generator sets, ships, pump industry units and the like. The sizes of the connection of the rear ends of the engines in all application scenes are different, and the sizes of relevant structures of the flywheels are required to be changed accordingly. The engine flywheel is a gray iron casting part, is not applied to roads, is generally stable in engine working condition, needs to have larger rotary inertia, causes the thickness of the flywheel to be larger, is generally 100mm to 120mm, is difficult to cast and is easy to produce casting defects, and has higher investment cost because the size is overlarge, the weight is heavier, and special hoisting clamps are also needed for assembly and replacement.
In summary, how to improve the processing quality of the flywheel assembly suitable for the non-road application scenario, reduce the processing difficulty, and reduce the assembly cost is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application aims to provide a flywheel assembly, which adopts a combination form of a flywheel body and a flywheel connecting disc, wherein the thicknesses of the flywheel body and the flywheel connecting disc are both small, the processing difficulty and the assembly difficulty of the flywheel assembly are reduced, and defects are not easily generated during processing. It is another object of the present application to provide a crankshaft flywheel assembly that includes the flywheel assembly described above.
In order to achieve the above purpose, the present application provides the following technical solutions:
a flywheel assembly comprising:
the flywheel body is provided with a flywheel body first connecting hole;
the rear end face of the flywheel connecting disc is attached to the front end face of the flywheel body, and the flywheel connecting disc is provided with a flywheel connecting disc first connecting hole corresponding to the flywheel body first connecting hole in position and a flywheel connecting disc second connecting hole used for connecting a product;
and the first connecting bolt is arranged in the first connecting hole of the flywheel body and the first connecting hole of the flywheel connecting disc and enables the flywheel body to be detachably connected with the flywheel connecting disc.
Optionally, at least two flywheel body first connection holes are formed, and each flywheel body first connection hole is located at the edge of the flywheel body; the first connecting hole of flywheel connection pad with the first connecting hole one-to-one of flywheel body is equipped with one in the first connecting hole of corresponding flywheel body with the first connecting hole of flywheel connection pad first connecting bolt.
Optionally, the flywheel connecting disc is of an annular structure.
Optionally, the flywheel connection pad includes integrated into one piece's annular main part and annular boss, the annular boss is located the rear end of annular main part just along radial protrusion in annular main part, the first connecting hole of flywheel connection pad runs through the annular boss, flywheel connection pad second connecting hole is followed the preceding terminal surface of annular main part extends to the middle part of annular main part.
Optionally, the distance from the axis of each flywheel body first connecting hole to the rotation center of the flywheel body is equal; the distance from the axis of the first connecting hole of each flywheel connecting disc to the rotation center of the flywheel body is equal.
Optionally, the number of the flywheel connecting disc second connecting holes is at least two, and in the same flywheel connecting disc, the distance from the axis line of each flywheel connecting disc second connecting hole to the rotation center of the flywheel body is equal.
Optionally, the number of the flywheel connecting discs is at least two, and each flywheel connecting disc is detachably connected with the flywheel body through the first connecting bolt; and any two flywheel connecting discs are not the same flywheel connecting discs, and the same flywheel connecting discs are the flywheel connecting discs with the same thickness and inner diameter and the same distance from the axial lead of the second connecting hole of the flywheel connecting disc to the rotation center of the flywheel body.
The crankshaft flywheel set comprises a crankshaft, a crankshaft gear and any one of the flywheel assemblies, wherein the crankshaft is fixedly connected with the crankshaft gear and the flywheel body.
Optionally, the end face of the crankshaft is provided with a plurality of crankshaft connecting holes; the crankshaft gear is arranged at one end of the crankshaft and is provided with crankshaft gear connecting holes which correspond to the crankshaft connecting holes one by one; the flywheel body is provided with flywheel body second connecting holes which correspond to the crankshaft connecting holes one by one; the flywheel body is characterized by further comprising second connecting bolts, wherein the second connecting bolts are located in the crankshaft connecting hole, the crankshaft gear connecting hole and the flywheel body second connecting hole.
Through above-mentioned scheme, the flywheel subassembly that this application provided's beneficial effect lies in:
the flywheel assembly comprises a flywheel body, a flywheel connecting disc and a first connecting bolt; the flywheel body is provided with a first connecting hole; the rear end face of the flywheel connecting disc is attached to the front end face of the flywheel body, and the flywheel connecting disc is provided with a first flywheel connecting disc connecting hole and a second flywheel connecting disc connecting hole; when the flywheel connecting disc is used, the flywheel body is arranged at the end part of the crankshaft, and the first connecting bolt penetrates through the first connecting hole of the flywheel body and the first connecting hole of the flywheel connecting disc, so that the flywheel body and the flywheel connecting disc are assembled and fixed; and the product is fixedly kept with the flywheel connecting disc through the second connecting hole of the flywheel connecting disc.
The flywheel assembly adopts the split type flywheel body and the flywheel connecting disc, so that the flywheel body and the flywheel connecting disc can be independently processed under the condition that the whole thickness of the flywheel assembly meets the requirement, and the thickness of the flywheel body and the thickness of the flywheel connecting disc are smaller, so that defects are not easy to generate; and the weight of the flywheel body and the flywheel connecting disc is smaller, and a special hoisting clamp is not needed during assembly, so that the assembly is more convenient.
In addition, it should be understood that the crankshaft flywheel set provided by the present application includes the flywheel assembly, and therefore, the crankshaft flywheel set provided by the present application also has the beneficial effects described above.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a crankshaft flywheel set according to an embodiment of the present disclosure;
FIG. 2 is a front view of a flywheel interface disc provided in an embodiment of the present application;
FIG. 3 is a side cross-sectional view of a flywheel interface disc according to an embodiment of the present application.
The reference numbers in the figures are:
1-flywheel body, 11-flywheel body first connection hole; 2-flywheel connecting disc, 21-flywheel connecting disc first connecting hole, 22-flywheel connecting disc second connecting hole, 23-annular main body and 24-annular boss; 3-a first connecting bolt; 4-a crankshaft; 5-a crankshaft gear; 6-a second connecting bolt;
the thickness a, the inner diameter b, the distance from the axis of the second connecting hole of the flywheel connecting disc to the rotation center of the flywheel body is twice, and the distance from the axis of the first connecting hole of the flywheel connecting disc to the rotation center of the flywheel body is twice.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, the flywheel assembly provided by the present application is suitable for non-road application, and includes a flywheel body 1, a flywheel connecting plate 2 and a first connecting bolt 3.
The flywheel body 1 is provided with the first flywheel body connecting hole 11, and the number and the position of the first flywheel body connecting hole 11 are not specifically limited. The specific structure of the flywheel body 1 can refer to a flywheel in the prior art. In addition, considering that the flywheel in a road scene generally needs to be connected with the clutch, and bolt holes connected with the clutch are formed in the flywheel, in order to simplify the processing process, the bolt holes used for connecting the clutch in the flywheel in the prior art can be directly used as the first connecting hole 11 of the flywheel body, at the moment, the first connecting hole 11 of the flywheel body does not need to be additionally processed, further, the change of the original flywheel of the engine aiming at different application scenes is avoided, and the cost of a flywheel assembly is reduced.
The flywheel connecting disc 2 is located the place ahead of flywheel body 1, the rear end face of flywheel connecting disc 2 and the laminating of the preceding terminal surface of flywheel body 1, flywheel connecting disc 2 is equipped with the first connecting hole 21 of flywheel connecting disc and flywheel connecting disc second connecting hole 22, the first connecting hole 21 of flywheel connecting disc corresponds with the first connecting hole 11 positions of flywheel body, flywheel connecting disc second connecting hole 22 is used for connecting the product, the product can be clutch etc. under generating set or transmission shaft or the non-road application scene.
The first connecting bolt 3 is located in the flywheel body first connecting hole 11 and the flywheel connecting disc first connecting hole 21, and makes the flywheel body 1 detachably connected with the flywheel connecting disc 2. It can be seen that, since the flywheel body 1 and the flywheel connecting disc 2 are fixed by the first connecting bolt 3 and rotate synchronously, the distance from the axis of the flywheel body first connecting hole 11 to the rotation center of the flywheel body 1 is the same as the fourth distance, which is a half d of the distance from the axis of the flywheel connecting disc first connecting hole 21 to the rotation center of the flywheel body 1.
The flywheel assembly provided by the application adopts the split type flywheel body 1 and the flywheel connecting disc 2, so that the flywheel body 1 and the flywheel connecting disc 2 can be independently processed under the condition that the whole thickness of the flywheel assembly meets the requirement, and the thickness of the flywheel body 1 and the thickness of the flywheel connecting disc 2 are smaller, so that defects are not easily generated; and the weight of the flywheel body 1 and the flywheel connecting disc 2 is smaller, and a special hoisting clamp is not needed during assembly, so that the assembly is more convenient.
Further, in one embodiment, there are at least two flywheel body first connection holes 11, flywheel connection disc first connection holes 21 and first connection bolts 3; each flywheel body first connecting hole 11 is positioned at the edge of the flywheel body 1; the first connecting hole 21 of flywheel connection pad corresponds with the first connecting hole 11 of flywheel body one-to-one, is equipped with a first connecting bolt 3 in the first connecting hole 11 of the first connecting hole 21 of flywheel connection pad of corresponding flywheel body. That is, the flywheel body 1 and the flywheel connecting disc 2 are connected through the plurality of first connecting bolts 3, and the firmness and stability of the connection are higher.
Further, in one embodiment, the flywheel interface disc 2 is of annular configuration. Optionally, the flywheel connecting disc 2 includes an annular main body 23 and an annular boss 24, where the annular main body 23 and the annular boss 24 are an integral structural member, and the flywheel connecting disc 2 may be processed by casting or other methods. The annular boss 24 is located at the rear end of the annular main body 23, the annular boss 24 protrudes out of the annular main body 23 along the radial direction, namely the outer diameter of the annular boss 24 is larger than that of the annular main body 23, the inner diameter of the annular boss 24 can be the same as that of the annular main body 23, the flywheel connecting disc first connecting hole 21 penetrates through the annular boss 24, and the flywheel connecting disc second connecting hole 22 extends from the front end face of the annular main body 23 to the middle of the annular main body 23.
Further, in one embodiment, when the flywheel body 1 has at least two flywheel body first connection holes 11, the distance from the axis of each flywheel body first connection hole 11 to the rotation center of the flywheel body 1 is equal; the distance from the axis line of each flywheel connecting disc first connecting hole 21 to the rotation center of the flywheel body 1 is equal, namely the fourth distance corresponding to each flywheel connecting disc first connecting hole 21 is the same, and the rotation center of the flywheel body 1 is collinear with the rotation center of the flywheel connecting disc 2. By adopting the structure, the first connecting bolts 3 are distributed on the peripheries of the flywheel body 1 and the flywheel connecting disc 2 more uniformly, so that the stress of the flywheel body 1 and the stress of the flywheel connecting disc 2 are more uniform, and the flywheel body and the flywheel connecting disc are more stable after being connected.
Further, in one embodiment, the number of the flywheel connecting disc second connecting holes 22 is at least two, in the same flywheel connecting disc 2, the distance from the axis line of each flywheel connecting disc second connecting hole 22 to the rotation center of the flywheel body 1 is a third distance, namely, one half c in the figure, and the third distances corresponding to each flywheel connecting disc second connecting hole 22 are equal. When the flywheel connecting disc 2 is fixedly assembled with a product, a third connecting bolt is installed in each flywheel connecting disc second connecting hole 22, and the third connecting bolts are uniformly distributed on the periphery of the flywheel connecting disc 2, so that the flywheel connecting disc 2 is more stable after being connected with the product.
Further, in one embodiment, the number of the flywheel connecting discs 2 is at least two, and each flywheel connecting disc 2 is detachably connected with the flywheel body 1 through a first connecting bolt 3; any two flywheel connecting discs 2 are not the same flywheel connecting discs, and the same flywheel connecting discs are two flywheel connecting discs 2 with the same thickness a, the same inner diameter b and the same third distance corresponding to the second connecting holes 22 of the flywheel connecting discs. Specifically, the flywheel connecting discs 2 are multiple, a third bolt is installed in each flywheel connecting disc second connecting hole 22 to be connected with a product, and firmness of the product after the product is assembled with the flywheel connecting discs 2 is guaranteed. In addition, according to different non-road application scenes, required flywheel components are different, the flywheel components in the embodiment comprise a flywheel body 1 and a plurality of flywheel connecting discs 2, the same flywheel body 1 can be matched with each flywheel connecting disc 2 for use, a user can adjust the size of each flywheel connecting disc 2 according to the non-road application scenes, the size of each flywheel connecting disc 2 comprises the thickness a and the inner diameter b, and the third distance corresponding to the second connecting holes 22 of the flywheel connecting discs, and the flywheel connecting discs 2 with proper size are assembled and fixed with the flywheel body 1 through the first connecting bolts 3. It can be seen that, since each flywheel connecting disc 2 can be connected with the flywheel body 1 in a matching manner, when the distance from the axis of each flywheel body first connecting hole 11 to the rotation center of the flywheel body is the same, the distance from the axis of each flywheel connecting disc first connecting hole 21 in each flywheel connecting disc 2 to the rotation center of the flywheel body 1 should be the same, and the arrangement positions of the flywheel connecting disc first connecting holes 21 in each flywheel connecting disc 2 are the same.
The application also provides a crankshaft flywheel set, including bent axle 4, bent axle gear 5 and above-mentioned arbitrary flywheel subassembly, 1 fixed connection of flywheel body in bent axle 4, bent axle gear 5 and the flywheel subassembly. The crankshaft flywheel assembly has the same beneficial effects as the flywheel assembly.
Further, in one embodiment, the end surface of the crankshaft 4 is provided with a plurality of crankshaft connecting holes; the crankshaft gear 5 is arranged at one end of the crankshaft 4, and the crankshaft gear 5 is provided with crankshaft gear connecting holes which are in one-to-one correspondence with the crankshaft connecting holes; the flywheel body 1 is provided with flywheel body second connecting holes which correspond to the crankshaft connecting holes one by one; the crankshaft flywheel set further comprises a second connecting bolt 6, and the second connecting bolt 6 is located in the crankshaft connecting hole, the crankshaft gear connecting hole and the flywheel body second connecting hole. The flywheel body 1 in bent axle 4, bent axle gear 5 and the flywheel subassembly is fixed through a plurality of second connecting bolt 6 promptly, and the assembly is simple convenient to the fastness is high.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The flywheel assembly and crankshaft flywheel set provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. A flywheel assembly, comprising:
the flywheel body is provided with a flywheel body first connecting hole;
the rear end face of the flywheel connecting disc is attached to the front end face of the flywheel body, and the flywheel connecting disc is provided with a flywheel connecting disc first connecting hole corresponding to the flywheel body first connecting hole in position and a flywheel connecting disc second connecting hole used for connecting a product;
and the first connecting bolt is arranged in the first connecting hole of the flywheel body and the first connecting hole of the flywheel connecting disc and enables the flywheel body to be detachably connected with the flywheel connecting disc.
2. The flywheel assembly of claim 1, wherein there are at least two flywheel body first connection holes, and each flywheel body first connection hole is located at an edge of the flywheel body; the first connecting hole of flywheel connection pad with the first connecting hole one-to-one of flywheel body is equipped with one in the first connecting hole of corresponding flywheel body with the first connecting hole of flywheel connection pad first connecting bolt.
3. The flywheel assembly of claim 2 wherein the flywheel interface disc is of annular configuration.
4. The flywheel assembly of claim 3, wherein the flywheel interface pad comprises an integrally formed annular body and an annular boss, the annular boss is located at a rear end of the annular body and protrudes radially from the annular body, the flywheel interface pad first connection hole penetrates through the annular boss, and the flywheel interface pad second connection hole extends from a front end face of the annular body to a middle of the annular body.
5. The flywheel assembly of claim 2 wherein the distance from the axis of each flywheel body first connection hole to the center of rotation of the flywheel body is equal; the distance from the axis of the first connecting hole of each flywheel connecting disc to the rotation center of the flywheel body is equal.
6. The flywheel assembly of claim 2, wherein the number of the flywheel connecting disc second connecting holes is at least two, and the distance from the axis of each flywheel connecting disc second connecting hole to the rotation center of the flywheel body is equal in the same flywheel connecting disc.
7. The flywheel assembly according to any one of claims 1 to 6, wherein the number of the flywheel connecting discs is at least two, and each flywheel connecting disc is detachably connected with the flywheel body through the first connecting bolt; and any two flywheel connecting discs are not the same flywheel connecting discs, and the same flywheel connecting discs are the flywheel connecting discs with the same thickness and inner diameter and the same distance from the axial lead of the second connecting hole of the flywheel connecting disc to the rotation center of the flywheel body.
8. A crankshaft flywheel assembly comprising a crankshaft, a crankshaft gear and a flywheel assembly according to any one of claims 1 to 7, said crankshaft gear and said flywheel body being fixedly connected.
9. The crankshaft flywheel assembly of claim 8 wherein the end face of said crankshaft is provided with a plurality of crankshaft attachment holes; the crankshaft gear is arranged at one end of the crankshaft and is provided with crankshaft gear connecting holes which correspond to the crankshaft connecting holes one by one; the flywheel body is provided with flywheel body second connecting holes which correspond to the crankshaft connecting holes one by one; the flywheel body is characterized by further comprising second connecting bolts, wherein the second connecting bolts are located in the crankshaft connecting hole, the crankshaft gear connecting hole and the flywheel body second connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410447.8U CN215980626U (en) | 2021-06-23 | 2021-06-23 | Flywheel assembly and crankshaft flywheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410447.8U CN215980626U (en) | 2021-06-23 | 2021-06-23 | Flywheel assembly and crankshaft flywheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980626U true CN215980626U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410447.8U Active CN215980626U (en) | 2021-06-23 | 2021-06-23 | Flywheel assembly and crankshaft flywheel set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980626U (en) |
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2021
- 2021-06-23 CN CN202121410447.8U patent/CN215980626U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: 243071 No. 359 Huxinan Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Address before: 243061 No. 359, Huxi South Road, Ma'anshan economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. |
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| TR01 | Transfer of patent right |