CN209743530U - Belt pulley assembly for crankshaft flywheel set and vehicle - Google Patents
Belt pulley assembly for crankshaft flywheel set and vehicle Download PDFInfo
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- CN209743530U CN209743530U CN201920229774.XU CN201920229774U CN209743530U CN 209743530 U CN209743530 U CN 209743530U CN 201920229774 U CN201920229774 U CN 201920229774U CN 209743530 U CN209743530 U CN 209743530U
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- belt pulley
- damping rubber
- vibration
- steel plate
- pulley assembly
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Abstract
The utility model discloses a belt pulley assembly and vehicle for bent axle flywheel group, belt pulley assembly includes: a pulley body; a shock absorber, said shock absorber comprising: the mass block is arranged on the belt pulley body. According to the utility model discloses a pulley subassembly can reduce the vibration of bent axle flywheel group effectively, absorbs the noise that bent axle flywheel group produced because the vibration, has optimized damping belt pulley rigidity after bent axle flywheel lightweight, has changed the frequency that bent axle flywheel was organized.
Description
Technical Field
The utility model belongs to the technical field of the vehicle and specifically relates to a belt pulley assembly and vehicle for bent axle flywheel group is related to.
background
In the related art, in order to achieve lower weight, lower friction and higher fuel efficiency of crankshaft flywheel sets, lightweight improvements have been correspondingly adopted in recent years for crankshaft designs. However, measures to reduce the weight of the crankshaft and reduce fuel consumption eventually lead to a reduction in the rigidity of the crankshaft and an increase in the engine's half-order vibrations. In order to strike a balance between crankshaft lightweighting and reduction in fuel consumption and noise and vibration, it is necessary to optimize the mass and stiffness of the crankshaft, flywheel, and damper pulley.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a belt pulley assembly for bent axle flywheel group, this belt pulley assembly can reduce the vibration of bent axle flywheel group effectively, absorbs the noise that bent axle flywheel group produced because the vibration, has optimized damping belt pulley rigidity after bent axle flywheel lightweight, has changed the frequency of bent axle flywheel group.
The utility model discloses still provide a vehicle that has above-mentioned belt pulley subassembly.
According to the utility model discloses a belt pulley assembly for bent axle flywheel group includes: a pulley body; a shock absorber, said shock absorber comprising: the mass block is arranged on the belt pulley body.
According to the utility model discloses a belt pulley subassembly, the quality piece through with the shock absorber sets up on the belt pulley body to change the shape of belt pulley body and the holistic natural frequency of belt pulley subassembly, in order to reach the effect that reduces the belt pulley subassembly vibration, set up the quality piece and can reduce the vibration of belt pulley body on the belt pulley body effectively, improve the stability of belt pulley subassembly at the during operation, reduce the noise that bent axle flywheel set during operation produced, improved the performance of bent axle flywheel set.
According to the utility model discloses an embodiment, the belt pulley body includes: the wheel hub is provided with the shock absorber; the torsional vibration rubber is arranged on the periphery of the hub and is fixedly connected with the hub; inertia ring, inertia ring sets up the periphery of torsional vibration rubber and with torsional vibration rubber fixed connection.
According to an embodiment of the present invention, the shock absorber further comprises: a first damping rubber disposed between the pulley body and the mass.
According to an embodiment of the present invention, the first damping rubber is bonded and fixed with the belt pulley body and the mass block, respectively.
According to an embodiment of the present invention, the shock absorber further comprises: the supporting steel plate is arranged between the first vibration reduction rubber and the belt pulley body, and the supporting steel plate is fixed on the belt pulley body through a first fastener.
According to an embodiment of the present invention, the shock absorber further comprises: the second vibration damping rubber and the first vibration damping rubber are respectively arranged on two sides of the mass block, and the second vibration damping rubber is arranged between the compression steel plate and the mass block.
according to the utility model discloses an embodiment, first damping rubber respectively with supporting steel plate with the quality piece bonds fixedly, second damping rubber respectively with the quality piece with it bonds fixedly to compress tightly the steel sheet.
According to an embodiment of the present invention, the shock absorber further comprises: and the second fastener penetrates through the compression steel plate, the second vibration damping rubber, the mass block and the first vibration damping rubber and is matched with the supporting steel plate.
According to an embodiment of the present invention, a vibration isolation rubber is provided between the mass block and the second fastening member.
The vehicle according to the present invention is briefly described below.
according to the utility model discloses a be provided with the belt pulley assembly of above-mentioned embodiment on the vehicle, because according to the utility model discloses a be provided with the belt pulley assembly of above-mentioned embodiment on the vehicle, consequently the quality of the bent axle flywheel of this vehicle group is light, can alleviate the vibration of bent axle flywheel group effectively under the less condition of rigidity of bent axle flywheel group, and the damping of shock absorber and inhale the shake effectually, the oil consumption ground of vehicle, operation are stable.
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 mechanical diagram of a pulley assembly according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection of a pulley assembly according to an embodiment of the present invention;
Fig. 3 is a cross-sectional view of a pulley assembly in accordance with an embodiment of the present invention.
Reference numerals:
The pulley assembly 100 is provided with a pulley assembly,
Pulley body 110, hub 111, torsional rubber 112, inertia ring 113,
the vibration damper comprises a vibration damper 120, a mass block 121, first vibration damping rubber 122, a supporting steel plate 123, second vibration damping rubber 124, a pressing steel plate 125 and vibration damping rubber 126.
Detailed Description
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.
A pulley assembly 100 for a crankshaft flywheel assembly according to an embodiment of the present invention is described below with reference to fig. 1-3.
As shown in fig. 1, a pulley assembly 100 for a crankshaft flywheel set according to the present invention includes a pulley body 110 and a damper 120, wherein the damper 120 includes a mass 121, and the mass 121 is disposed on the pulley body 110.
in the related art, in order to achieve lower weight, lower friction and higher fuel efficiency of crankshaft flywheel sets, lightweight improvements have been correspondingly adopted in recent years for crankshaft designs. However, measures to reduce the weight of the crankshaft and reduce fuel consumption eventually lead to a reduction in the rigidity of the crankshaft and an increase in the engine's half-order vibrations. In order to strike a balance between crankshaft lightweighting and reduction in fuel consumption and noise and vibration, it is necessary to optimize the mass and stiffness of the crankshaft, flywheel, and damper pulley.
According to the utility model discloses an embodiment, because the belt pulley body 110 is located the very end of bent axle flywheel group, it is the biggest to have leaded to belt pulley body 110 to receive the influence of vibration, consequently can set up shock absorber 120 in belt pulley body 110's outer end, the quality piece 121 that will have certain quality simultaneously sets up on belt pulley body 110 in order to change belt pulley body 110 and bent axle flywheel subassembly's natural frequency, alleviate the vibration of bent axle flywheel group in the course of the work, reduce the produced noise of belt pulley subassembly 100, improve the practical impression of vehicle.
According to the utility model discloses a belt pulley assembly 100, mass 121 through with shock absorber 120 sets up on belt pulley body 110, with the shape that changes belt pulley body 110 and the holistic natural frequency of belt pulley assembly 100, with the effect that reduces belt pulley assembly 100 vibration, set up mass 121 and can reduce belt pulley body 110's vibration on belt pulley body 110 effectively, improve belt pulley assembly 100 stability at the during operation, reduce the noise that bent axle flywheel organizes the during operation production, the performance of bent axle flywheel group has been improved.
According to the utility model discloses an embodiment, belt pulley body 110 includes, wheel hub 111, torsional vibration rubber 112 and inertia ring 113, is provided with shock absorber 120 on the wheel hub 111, and torsional vibration rubber 112 sets up in wheel hub 111's periphery and with wheel hub 111 fixed connection, inertia ring 113 sets up in torsional vibration rubber 112's periphery and with torsional vibration rubber 112 fixed connection.
The hub 111 of the belt pulley body 110 can be fixed at the outermost end of the flywheel, the torsional vibration rubber 112 is arranged between the hub 111 and the inertia ring 113, in the working process of the crankshaft, the belt pulley rotates along with the crankshaft, the torsional vibration rubber 112 needs to pass through in the process that the hub 111 transmits the vibration generated by the flywheel to the inertia ring 113, the torsional vibration rubber 112 can effectively absorb the vibration, the noise generated by the belt pulley body is reduced, the natural frequency of a crankshaft flywheel set is changed, the stability of the crankshaft flywheel set is improved, the mass distribution of the inertia ring 113 is changed, and the stability of the belt pulley is improved.
According to an embodiment of the present invention, the damper 120 further includes a first damping rubber 122, the first damping rubber 122 is disposed between the pulley body 110 and the mass block 121, so that the damper 120 can better alleviate the vibration of the pulley assembly 100, and the first damping rubber 122 can directly absorb the vibration energy of the pulley body.
According to the utility model discloses an embodiment, first damping rubber 122 bonds fixedly with belt pulley body 110 and quality piece 121 respectively, adopts the fixed mode of bonding to save the fastener between first damping rubber 122 and belt pulley body 110 and the quality piece 121, and then has reduced the holistic weight of belt pulley assembly 100, makes the weight of bent axle flywheel system lighter.
According to the utility model discloses an embodiment, shock absorber 120 still includes supporting steel plate 123, supporting steel plate 123 sets up between first damping rubber 122 and belt pulley body 110, supporting steel plate 123 is fixed on belt pulley body 110 through first fastener, quality piece 121 and first damping rubber 122 are fixed on supporting steel plate 123, and supporting steel plate 123 is fixed on belt pulley body 110 through first fastener, in order to realize shock absorber 120's fixing, shock absorber 120 can fix on belt pulley body 110 more reliable and more stable through first fastener and supporting steel plate 123.
According to an embodiment of the present invention, the damper 120 further includes a second damping rubber 124 and a compression steel plate 125, the second damping rubber 124 and the first damping rubber 122 are respectively disposed on two sides of the mass block 121, and the second damping rubber 124 is disposed between the compression steel plate 125 and the mass block 121. The second damping rubber 124 is arranged on the outer side of the mass block 121, the pressing steel plate 125 is arranged on the outer side of the second damping rubber 124, the second damping rubber 124 is suitable for further absorbing vibration of the belt pulley assembly 100, the second damping rubber 124 is arranged between the pressing steel plate 125 and the mass block 121, the pre-tightening force between the second damping rubber 124 and the mass block is adjusted by changing the distance between the pressing steel plate 125 and the mass block 121, the stability of the second damping rubber 124 is ensured, and the pressing steel plate 125 can also protect the second damping rubber 124.
Here, the inner means a side toward the pulley body 110, and the outer means a side away from the pulley body 110.
According to the utility model discloses an embodiment, first damping rubber 122 bonds fixedly with supporting steel plate 123 and quality piece 121 respectively, second damping rubber 124 bonds fixedly with quality piece 121 and compress tightly steel plate 125 respectively, through the fixed mode of bonding respectively with first damping rubber 122, supporting steel plate 123, quality piece 121, second damping rubber 124, compress tightly steel plate 125 and bond respectively, make shock absorber 120 set up on belt pulley body 110 reliably, adopt the fixed mode of above-mentioned bonding to make the connection between each spare part of shock absorber 120 not need the fastener, the quality of belt pulley assembly 100 has further been reduced.
According to the utility model discloses an embodiment, shock absorber 120 still includes the second fastener, the second fastener is worn to establish and is compressed tightly steel sheet 125, second damping rubber 124, quality piece 121 and first damping rubber 122 just cooperate with supporting steel sheet 123, the second fastener can be constructed as the bolt, be provided with on supporting steel sheet 123 with second fastener complex screw hole, the head of bolt compresses tightly in the outside that compresses tightly steel sheet 125, through adjusting the combination length between second fastener and the supporting steel sheet 123, with the pretightning force of adjusting shock absorber 120, make the pretightning force to first damping rubber 122 and second damping rubber 124 very much, the holistic reliability of shock absorber 120 improves.
The middle position of the supporting steel plate 123 is provided with a through hole matched with the first fastening piece, the flywheel body is provided with a threaded hole matched with the first fastening piece, and the first fastening piece compresses the damper 120 on the flywheel body so as to ensure that the damper 120 and the flywheel body are reliably installed.
According to the utility model discloses an embodiment, be provided with vibration isolation rubber 126 between quality piece 121 and the second fastener, be provided with the through-hole that is suitable for the second fastener to directly pass on quality piece 121, vibration isolation rubber 126 sets up in the through-hole of quality piece 121, vibration isolation rubber 126 separates quality piece 121 and second fastener, avoids direct contact between second fastener and the quality piece 121, prevents that the second fastener from transmitting the vibration to the quality piece, can also avoid producing the abnormal sound with quality piece 121 direct contact simultaneously.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with the belt pulley assembly 100 of above-mentioned embodiment on the vehicle, because according to the utility model discloses a be provided with the belt pulley assembly 100 of above-mentioned embodiment on the vehicle, the quality of the bent axle flywheel of consequently this vehicle is organized is light, can alleviate the vibration of bent axle flywheel group effectively under the less condition of rigidity of bent axle flywheel group, and the damping of shock absorber 120 and inhale and shake effectually, the oil consumption ground of vehicle, operation are stable.
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. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (10)
1. A pulley assembly (100) for a crankshaft flywheel set, comprising:
A pulley body (110);
a vibration dampener (120), said vibration dampener (120) comprising: a mass (121), the mass (121) disposed on the pulley body (110).
2. The pulley assembly (100) for a crankshaft flywheel set according to claim 1, characterized in that said pulley body (110) comprises:
A hub (111), the hub (111) having the damper (120) disposed thereon;
the torsional vibration rubber (112) is arranged on the periphery of the hub (111) and fixedly connected with the hub (111);
Inertia ring (113), inertia ring (113) set up in the periphery of torsional vibration rubber (112) and with torsional vibration rubber (112) fixed connection.
3. The pulley assembly (100) for a crankshaft flywheel set according to claim 1, characterized in that said shock absorber (120) further comprises: a first damping rubber (122), the first damping rubber (122) disposed between the pulley body (110) and the mass (121).
4. A pulley assembly (100) for a crankshaft flywheel mass according to claim 3, characterized in that said first damping rubber (122) is adhesively fixed with said pulley body (110) and with said mass (121), respectively.
5. A pulley assembly (100) for a crankshaft flywheel set according to claim 3, characterized in that said shock absorber (120) further comprises: the supporting steel plate (123), the supporting steel plate (123) set up first damping rubber (122) with between belt pulley body (110), the supporting steel plate (123) is fixed through first fastener on belt pulley body (110).
6. The pulley assembly (100) for a crankshaft flywheel set according to claim 5, characterized in that said shock absorber (120) further comprises: the damping device comprises a second damping rubber (124) and a pressing steel plate (125), wherein the second damping rubber (124) and the first damping rubber (122) are respectively arranged on two sides of the mass block (121), and the second damping rubber (124) is arranged between the pressing steel plate (125) and the mass block (121).
7. Pulley assembly (100) for a crankshaft flywheel mass according to claim 6, characterized in that said first damping rubber (122) is adhesively fixed respectively to said supporting steel plate (123) and to said mass (121), and said second damping rubber (124) is adhesively fixed respectively to said mass (121) and to said pressing steel plate (125).
8. The pulley assembly (100) for a crankshaft flywheel set according to claim 6, characterized in that said shock absorber (120) further comprises: and the second fastener penetrates through the pressing steel plate (125), the second vibration damping rubber (124), the mass block (121) and the first vibration damping rubber (122) and is matched with the supporting steel plate (123).
9. pulley assembly (100) for a crankshaft flywheel group according to claim 8, characterized in that between said mass (121) and said second fastening member there is provided a vibration-isolating rubber (126).
10. A vehicle comprising a pulley assembly (100) for a crankshaft flywheel assembly according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229774.XU CN209743530U (en) | 2019-02-22 | 2019-02-22 | Belt pulley assembly for crankshaft flywheel set and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229774.XU CN209743530U (en) | 2019-02-22 | 2019-02-22 | Belt pulley assembly for crankshaft flywheel set and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743530U true CN209743530U (en) | 2019-12-06 |
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ID=68707762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229774.XU Active CN209743530U (en) | 2019-02-22 | 2019-02-22 | Belt pulley assembly for crankshaft flywheel set and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743530U (en) |
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2019
- 2019-02-22 CN CN201920229774.XU patent/CN209743530U/en active Active
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