CN110630684B - Vibration reduction ring with adjustable frequency and transmission shaft assembly - Google Patents
Vibration reduction ring with adjustable frequency and transmission shaft assembly Download PDFInfo
- Publication number
- CN110630684B CN110630684B CN201910923917.1A CN201910923917A CN110630684B CN 110630684 B CN110630684 B CN 110630684B CN 201910923917 A CN201910923917 A CN 201910923917A CN 110630684 B CN110630684 B CN 110630684B
- Authority
- CN
- China
- Prior art keywords
- damping ring
- ring body
- gasket
- frequency
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/04—Frequency effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0035—Gripping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a frequency-adjustable vibration reduction ring and a transmission shaft assembly, wherein the frequency-adjustable vibration reduction ring comprises: the damping ring comprises a damping ring body, wherein at least one notch is formed in the damping ring body; at least one gasket is detachably connected to each notch. The invention provides a frequency-adjustable vibration damping ring and a transmission shaft assembly, which can accurately control and change the frequency of the vibration damping ring, reduce the time occupied by dismounting in the evaluation process and solve the problem that the evaluation result is influenced by different mounting positions.
Description
Technical Field
The invention relates to the technical field of transmission shaft accessories, in particular to a frequency-adjustable damping ring and a transmission shaft assembly.
Background
After the damping ring is arranged on the automobile transmission shaft, the propagation path of abnormal vibration can be blocked, the damping ring can obviously improve the NVH (noise, vibration and abnormal sound) performance of the automobile transmission shaft, the riding comfort of an automobile is improved, and the damping ring is an effective means for solving the NVH problem of the whole automobile.
The existing damping ring has a relatively fixed frequency after the shape and the material are fixed due to a single structure. In the NVH debugging process, a large amount of time and cost are needed, the vibration reduction rings with different frequencies are installed on the transmission shaft, and the whole vehicle is debugged, so that the vibration reduction ring with the most matched frequency can be found. However, when a plurality of vibration damping rings are evaluated, the transmission shaft needs to be frequently disassembled and assembled, a large amount of evaluation time is occupied, and the workload of operators is increased. The sample pieces of the drive shaft are very expensive, increasing the commissioning cost. Moreover, the accuracy of the evaluation result may be affected once the mounting position of the damping ring on the propeller shaft is different.
In order to better exert the function of the damping ring, the parameters of the damping ring should be reasonably modulated and optimized according to the actual condition of the automobile transmission shaft. Therefore, a frequency-adjustable damping ring and a transmission shaft assembly are needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention provides a damping ring with adjustable frequency and a transmission shaft assembly, which can accurately control and change the frequency of the damping ring, reduce the time occupied by dismounting in the evaluation process, and solve the problem that the evaluation result is affected by different mounting positions.
Based on the above object, the present invention provides a frequency-adjustable damping ring, comprising:
the damping ring comprises a damping ring body, wherein at least one notch is formed in the damping ring body; at least one gasket is detachably connected to each notch.
Preferably, the plurality of gaps are uniformly distributed on the vibration damping ring body along the circumferential direction, and the manufacturing materials of the gaskets in the plurality of gaps can be the same or different.
Preferably, the inner wall surface and the outer wall surface of the damping ring body are respectively covered with a first elastic buffer layer and a second elastic buffer layer, and the notch is arranged between the first elastic buffer layer and the second elastic buffer layer.
Preferably, the gap is arranged to penetrate along the axial direction of the damping ring body, and the gasket is connected with the gap in an embedded manner.
Preferably, the edge of the gasket does not exceed the range of the gap.
Preferably, a plurality of elastic bulges distributed at intervals are uniformly distributed on the inner wall surface of the damping ring body along the circumferential direction.
Preferably, the damping circle body includes a plurality of arc plates that set up along the circumference direction at interval in proper order, and the clearance between two adjacent arc plate tip does the opening.
Preferably, the method further comprises the following steps: the clamping hoop comprises a first clamping ring and a second clamping ring which can be connected in an opening and closing mode, and the first clamping ring and the second clamping ring are mutually buckled to form an accommodating cavity for accommodating the damping ring body; the first snap ring with extend respectively on the second snap ring upper flange and the lower flange that sets up relatively, the upper flange with be provided with the last through-hole and the lower through-hole that distribute relatively on the flange down respectively, but the mounting through connection be in go up the through-hole with on the through-hole down, and with retaining member cooperation connection.
In addition, preferably, the number of the arc-shaped plates is even, and the arc-shaped plates are distributed along the axis of the damping ring body in a mirror symmetry mode.
The present invention also provides a propeller shaft assembly comprising: the transmission shaft and the frequency-adjustable vibration reduction ring are sleeved and connected on the transmission shaft.
From the above, the frequency-adjustable damping ring and the transmission shaft assembly provided by the invention have the following advantages compared with the prior art: the gaskets of different materials or specifications can provide different frequencies, the gaskets of different materials or specifications are installed in the notch for debugging, and the sequence of different frequencies is provided through the mutual matching of the gaskets and the damping ring body, so that the frequency of the damping ring body is accurately controlled, changed and adjusted, the frequency difference among different materials can be reduced, and the debugging speed is accelerated; in addition, in the debugging process, the transmission shaft does not need to be disassembled and assembled, and only gaskets made of different materials need to be disassembled or installed in the notch, so that the workload of operators is reduced, and the occupation of evaluation time is reduced; in addition, in the process of assembling and disassembling the gasket, the position of the damping ring body cannot be changed, and the accuracy of an evaluation result cannot be influenced. In addition, the gasket is simple in structure, simple in manufacturing process, convenient to obtain materials, convenient to disassemble and assemble, capable of being matched with the damping ring body quickly to adjust the damping rings with different frequencies, has a damping function, absorbs vibration energy on the transmission shaft, and reduces resonance. Meanwhile, the NVH debugging process can be directly completed on the transmission shaft, expensive transmission shaft sample pieces do not need to be purchased, and the debugging cost is reduced.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic diagram of a tunable damping ring employed in an embodiment of the present invention.
Fig. 2 is a side view of a shim of the tunable damping ring shown in fig. 1.
Fig. 3 is another side view of the spacer of the tunable damping ring shown in fig. 1.
FIG. 4 is a schematic view of a driveshaft assembly employed in an embodiment of the present invention.
Wherein the reference numbers:
100: a damping ring body; 101: an upper arc plate; 102: a lower arc-shaped plate;
103: a first gasket; 104: a second gasket; 105: an elastic bulge;
200: a drive shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic diagram of a tunable damping ring employed in an embodiment of the present invention. Fig. 2 is a side view of a shim of the tunable damping ring shown in fig. 1. Fig. 3 is another side view of the spacer of the tunable damping ring shown in fig. 1. FIG. 4 is a schematic view of a driveshaft assembly employed in an embodiment of the present invention. As shown in fig. 1 to 3, the frequency-adjustable damping ring includes: the damping ring body 100.
At least one opening (not marked) is arranged on the damping ring body 100; at least one gasket is detachably connected to each gap.
The damping circle body 100 is sleeved on the preset position of the transmission shaft 200, the damping circle body 100 is fixed on the transmission shaft 200, the gasket is installed in the opening, NVH debugging is carried out on the damping circle body 100 after assembly, once the evaluation result shows that the gasket does not have the frequency which is matched most, the gasket is disassembled, the gasket is replaced by the gasket with different materials or specifications, and the gasket is assembled in the opening again to continue debugging until the NVH debugging is completed. By adopting the frequency-adjustable damping ring, gaskets of different materials or specifications can provide different frequencies, the gaskets of different materials or specifications are arranged in the opening for debugging, and the sequence of different frequencies is provided by the mutual matching of the gaskets and the damping ring body, so that the frequency of the damping ring body is accurately controlled and changed and adjusted, the frequency difference among different materials can be reduced, and the debugging speed is accelerated; in addition, in the debugging process, the transmission shaft does not need to be disassembled and assembled, and only gaskets made of different materials need to be disassembled or installed in the notch, so that the workload of operators is reduced, and the occupation of evaluation time is reduced; in addition, in the process of assembling and disassembling the gasket, the position of the damping ring body cannot be changed, and the accuracy of an evaluation result cannot be influenced.
Preferably, a plurality of gaps are uniformly distributed on the damping ring body 100 along the circumferential direction, and the manufacturing materials of the gaskets in the plurality of gaps may be the same or different. Installing a gasket in each notch to enable the damping ring body 100 to form a complete ring body in the circumferential direction, and simultaneously replacing the gaskets made of the same material for a plurality of notches to provide different frequencies; the interval between different frequencies is reduced by simultaneously replacing gaskets made of different materials for a plurality of gaps, so that the frequency of the damping ring body 100 is accurately controlled and changed, and the damping ring with required frequency is quickly and effectively found.
In this embodiment, the damping ring body 100 is provided with two notches, and the two notches are distributed in a mirror symmetry manner along the axial direction of the damping ring body 100. The first gasket 103 and the second gasket 104 are respectively arranged in the two gaps, the first gasket 103 and the second gasket 104 can be made of the same or different materials, one of the gaskets can be made of the same material as the damping ring body 100, or the damping ring body 100, the first gasket 103 and the second gasket 104 are made of different materials.
In the present embodiment, the damping ring body 100 may be made of a metal material, such as iron. The gasket can be made of aluminum, iron, alloy and other materials.
Preferably, the inner wall surface and the outer wall surface of the damping ring body 100 are covered with a first elastic buffer layer and a second elastic buffer layer respectively, and the notch is arranged between the first elastic buffer layer and the second elastic buffer layer. The first elastic buffer layer and the second elastic buffer layer are arranged, so that vibration in the transmission process is reduced, the vibration reduction performance is improved, and noise and abnormal sound are reduced; simultaneously first elastic buffer layer and second elastic buffer layer provide the centre gripping limiting displacement for the gasket to improve gasket and damping circle body 100's opening connection stability.
In this embodiment, the first and second resilient cushioning layers include, but are not limited to, rubber materials, foams, air cushion films, and the like.
In order to simplify the structure of the vibration damping ring and further reduce the assembly difficulty, preferably, the notch is arranged to penetrate along the axial direction of the vibration damping ring body 100, and the gasket is connected with the notch in an embedded manner.
In this embodiment, the opening is square or rectangular or stepped, the shape of a plurality of openings can be the same or different, and the gasket is matched with the shape of the opening. Typically, the cross-section of the gasket is rectangular.
In order to reduce the assembly difficulty and improve the connection stability, preferably, the edge of the gasket does not exceed the range of the notch. Generally, the length and width of the gasket are kept consistent with the length and width of the gap section, each set of gasket is independently debugged aiming at the damping ring body due to the processing difference of the damping ring body 100, the size of the gasket can be adjusted to meet the frequency requirement after debugging, and the size change range is controlled within +/-30%; the thickness of the gasket can be limited according to a manufacturing tool of the notch, generally, the thickness of the gasket is consistent with that of a machining center or a machine tool cutter, and the size variation range is controlled within +/-50%.
In the present embodiment, the length of the spacer is not less than the length of the metallic material portion of the damping ring body 100 but not more than the entire length of the damping ring body 100, and the width of the spacer is not less than the width of the metallic material portion of the damping ring body 100 but not more than the entire width of the damping ring body 100. Typically, the height of the spacer is between 0.5 and 1.5mm, for example 1.0 mm.
Preferably, a plurality of elastic protrusions 105 are uniformly distributed on the inner wall surface of the damping ring body 100 along the circumferential direction. When transmission shaft 200 is installed in damping circle body 100, provide support and limiting displacement through elastic bulge 105 position transmission shaft 200, elastic bulge 105 has elastic deformation ability, has the interval between adjacent elastic bulge 105, takes place elastic deformation for elastic bulge 105 and provides the space, provides cushioning effect for transmission shaft 200 simultaneously.
For further reducing the structure of damping circle, reduce the assembly degree of difficulty simultaneously, preferably, damping circle body 100 includes a plurality of arc that set up along the circumferential direction interval in proper order, and the clearance between two adjacent arc tip is the opening. The arc plates and the gaskets are arranged in sequence and form a damping ring body 100 in an enclosing mode.
In this embodiment, the damping ring body 100 includes an upper arc plate 101 and a lower arc plate 102, a first gasket 103 is disposed between first ends of the upper arc plate 101 and the lower arc plate 102, a second gasket 104 is disposed between second ends of the upper arc plate 101 and the lower arc plate 102, and the first gasket 103, the upper arc plate 101, the second gasket 104 and the lower arc plate 102 are sequentially connected to form the damping ring body 100.
Generally, the existing damping ring body 100 is half-cut by a machining center or a machine tool to form an upper arc-shaped plate 101 and a lower arc-shaped plate 102, when the upper arc-shaped plate 101 and the lower arc-shaped plate 102 are buckled, the damping ring body 100 is formed in a split manner, and the cutting position should avoid the arrangement of a convex position.
In order to improve the joint strength of the gasket and the arc-shaped plate, preferably, the gasket further comprises: a clamp (not shown) including a first snap ring and a second snap ring which can be opened and closed, wherein the first snap ring and the second snap ring are mutually buckled to form an accommodating cavity for accommodating the damping ring body 100; the upper flange and the lower flange which are oppositely arranged extend out of the first clamping ring and the second clamping ring respectively, the upper flange and the lower flange are provided with an upper through hole and a lower through hole which are oppositely distributed respectively, and the fixing piece can be connected on the upper through hole and the lower through hole in a penetrating way and is matched and connected with the locking piece. When the transmission shaft is inserted into the vibration damping ring body, the vibration damping ring body is assembled with the adaptive gasket to complete the assembly, the structure is placed in the accommodating cavity of the clamp, the first clamp ring and the second clamp ring are buckled, the upper flange and the lower flange are arranged oppositely, the fixing piece is connected to the upper through hole and the lower through hole in a penetrating mode, the fixing piece is locked by the locking piece, and the vibration damping ring body can be effectively connected with the transmission shaft.
In this embodiment, first snap ring and second snap ring can adopt the same snap ring structure, and the snap ring still is provided with the regulating part in the structure, and the regulating part is used for adjusting the diameter in holding chamber to the regulation is to the centre gripping diameter of damping circle body, makes the clamp can press from both sides the clamp design with last arc, lower arc and two gaskets.
In addition, preferably, the number of the arc-shaped plates is even and is distributed in mirror symmetry along the axis of the damping ring body 100. Through the quantity and the distribution position of control arc for the damping circle body is symmetrical distribution structure, helps the transmission of power.
The use of the frequency adjustable damping ring is further described below.
With current damping circle body 100 through machining center or lathe cutter to half-cutting, arc 101 and lower arc 102 in the formation, upward be provided with first gasket 103 between arc 101 and the first end between lower arc 102, upward be provided with second gasket 104 between arc 101 and the second end between lower arc 102, first gasket 103, upward arc 101, second gasket 104 and lower arc 102 connect gradually and form damping circle body 100, insert damping circle body 100 with transmission shaft 100 in, arrange damping circle body 100 in the holding intracavity of clamp again, the locking clamp. And (3) mounting the transmission shaft on the vehicle body for NVH debugging, unlocking the clamp if the evaluation result is not satisfactory, exposing the first gasket 103 and/or the second gasket 104, and replacing the first gasket 103 and the second gasket 104 one by one or simultaneously by adopting gaskets made of different materials. Locking the clamp again, and continuing testing and evaluating; the above actions can be repeated until a gasket with the required frequency is found, and the clamp is locked after the assembly is completed.
The present invention also provides a propeller shaft assembly comprising: the transmission shaft and the frequency-adjustable vibration reduction ring are sleeved and connected on the transmission shaft. The transmission shaft assembly adopts the frequency-adjustable damping ring, gaskets of different materials or specifications can provide different frequencies, the gaskets of different materials or specifications are installed in the notch for debugging, and the sequence of different frequencies is provided by the mutual matching of the gaskets and the damping ring body, so that the frequency of the damping ring body is accurately controlled and changed, the frequency difference among different materials can be reduced, and the debugging speed is accelerated; in addition, in the debugging process, the transmission shaft does not need to be disassembled and assembled, and only gaskets made of different materials need to be disassembled or installed in the notch, so that the workload of operators is reduced, and the occupation of evaluation time is reduced; in addition, in the process of assembling and disassembling the gasket, the position of the damping ring body cannot be changed, and the accuracy of an evaluation result cannot be influenced.
From the above description and practice, it can be seen that the frequency-adjustable damping ring and the transmission shaft assembly provided by the invention have the following advantages compared with the prior art: the gaskets of different materials or specifications can provide different frequencies, the gaskets of different materials or specifications are installed in the notch for debugging, and the sequence of different frequencies is provided through the mutual matching of the gaskets and the damping ring body, so that the frequency of the damping ring body is accurately controlled, changed and adjusted, the frequency difference among different materials can be reduced, and the debugging speed is accelerated; in addition, in the debugging process, the transmission shaft does not need to be disassembled and assembled, and only gaskets made of different materials need to be disassembled or installed in the notch, so that the workload of operators is reduced, and the occupation of evaluation time is reduced; in addition, in the process of assembling and disassembling the gasket, the position of the damping ring body cannot be changed, and the accuracy of an evaluation result cannot be influenced. In addition, the gasket is simple in structure, simple in manufacturing process, convenient to obtain materials, convenient to disassemble and assemble, capable of being matched with the damping ring body quickly to adjust the damping rings with different frequencies, has a damping function, absorbs vibration energy on the transmission shaft, and reduces resonance. Meanwhile, the NVH debugging process can be directly completed on the transmission shaft, expensive transmission shaft sample pieces do not need to be purchased, and the debugging cost is reduced.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A frequency tunable damping ring, comprising:
the damping ring comprises a damping ring body, wherein at least one notch is formed in the damping ring body; at least one gasket is detachably connected to each notch; the damping ring body comprises a plurality of arc-shaped plates which are sequentially arranged at intervals along the circumferential direction, and a gap between the end parts of two adjacent arc-shaped plates is the opening;
the plurality of gaps are uniformly distributed on the vibration damping ring body along the circumferential direction, and the manufacturing materials of the gaskets in the plurality of gaps can be the same or different;
a first elastic buffer layer and a second elastic buffer layer are respectively covered on the inner wall surface and the outer wall surface of the damping ring body, and the notch is arranged between the first elastic buffer layer and the second elastic buffer layer;
the opening penetrates along the axial direction of the vibration damping ring body, and the gasket is connected with the opening in an embedded mode.
2. The frequency tunable damping ring of claim 1,
the edge of the gasket does not exceed the range of the gap.
3. The frequency tunable damping ring of claim 1,
a plurality of elastic bulges are uniformly distributed on the inner wall surface of the damping ring body along the circumferential direction.
4. The frequency tunable damping ring of claim 3,
further comprising: the clamping hoop comprises a first clamping ring and a second clamping ring which can be connected in an opening and closing mode, and the first clamping ring and the second clamping ring are mutually buckled to form an accommodating cavity for accommodating the damping ring body; the first snap ring with extend respectively on the second snap ring upper flange and the lower flange that sets up relatively, the upper flange with be provided with the last through-hole and the lower through-hole that distribute relatively on the flange down respectively, but the mounting through connection be in go up the through-hole with on the through-hole down, and with retaining member cooperation connection.
5. The frequency tunable damping ring of claim 1,
the number of the arc-shaped plates is even, and the arc-shaped plates are distributed in a mirror symmetry mode along the axis of the damping ring body.
6. A driveshaft assembly, comprising: a transmission shaft and a frequency-adjustable damping ring as claimed in any one of claims 1 to 5, wherein the frequency-adjustable damping ring is sleeved on the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923917.1A CN110630684B (en) | 2019-09-27 | 2019-09-27 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923917.1A CN110630684B (en) | 2019-09-27 | 2019-09-27 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110630684A CN110630684A (en) | 2019-12-31 |
| CN110630684B true CN110630684B (en) | 2022-01-28 |
Family
ID=68973018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910923917.1A Active CN110630684B (en) | 2019-09-27 | 2019-09-27 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110630684B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042086A1 (en) * | 2001-08-30 | 2003-03-06 | Nylander Mick A. | Dynamic damper |
| CN201963708U (en) * | 2011-01-25 | 2011-09-07 | 上海纳铁福传动轴有限公司 | Installation structure for clamping hoop-free damping ring of automobile drive shaft |
| CN204025921U (en) * | 2014-07-18 | 2014-12-17 | 中国船舶重工集团公司第七一九研究所 | Inhale vibration isolation integral manifold support |
| CN204099471U (en) * | 2014-08-07 | 2015-01-14 | 上海通用汽车有限公司 | Transmission shaft damping ring and transmission shaft component |
| CN205639463U (en) * | 2016-05-16 | 2016-10-12 | 浙江宏利汽车零部件有限公司 | Car is damping circle for transmission shaft |
| CN206781489U (en) * | 2017-06-15 | 2017-12-22 | 重庆松芝汽车空调有限公司 | A kind of vibration absorber of pipelines of automobile air conditioner |
| CN108644310A (en) * | 2018-04-27 | 2018-10-12 | 奇瑞汽车股份有限公司 | Automobile driving axle torsional vibration damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0637915B2 (en) * | 1988-08-27 | 1994-05-18 | 東海ゴム工業株式会社 | Dynamic damper |
-
2019
- 2019-09-27 CN CN201910923917.1A patent/CN110630684B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042086A1 (en) * | 2001-08-30 | 2003-03-06 | Nylander Mick A. | Dynamic damper |
| CN201963708U (en) * | 2011-01-25 | 2011-09-07 | 上海纳铁福传动轴有限公司 | Installation structure for clamping hoop-free damping ring of automobile drive shaft |
| CN204025921U (en) * | 2014-07-18 | 2014-12-17 | 中国船舶重工集团公司第七一九研究所 | Inhale vibration isolation integral manifold support |
| CN204099471U (en) * | 2014-08-07 | 2015-01-14 | 上海通用汽车有限公司 | Transmission shaft damping ring and transmission shaft component |
| CN205639463U (en) * | 2016-05-16 | 2016-10-12 | 浙江宏利汽车零部件有限公司 | Car is damping circle for transmission shaft |
| CN206781489U (en) * | 2017-06-15 | 2017-12-22 | 重庆松芝汽车空调有限公司 | A kind of vibration absorber of pipelines of automobile air conditioner |
| CN108644310A (en) * | 2018-04-27 | 2018-10-12 | 奇瑞汽车股份有限公司 | Automobile driving axle torsional vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110630684A (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2136102B1 (en) | Vibration control equipment | |
| US20050133325A1 (en) | Dynamic damper | |
| EP3068018B1 (en) | Outer rotor motor | |
| US7635118B2 (en) | Cylindrical dynamic damper | |
| JP2017141957A (en) | Vibration absorber | |
| CN109641279B (en) | Rotatable assembly, machining rod assembly and method thereof | |
| GB2158182A (en) | A hydraulically damped rubber mounting | |
| JP2000055130A (en) | Dynamic damper and manufacture therefor | |
| US6722481B2 (en) | Vibration-damping device | |
| US20120049426A1 (en) | Vibration-proof apparatus | |
| CN110630684B (en) | Vibration reduction ring with adjustable frequency and transmission shaft assembly | |
| WO2018145889A1 (en) | Holding element for a duct | |
| US7258331B2 (en) | Acoustically decoupled hydraulic bearing | |
| CN109838496A (en) | Engine mounting for vehicle | |
| JP4519758B2 (en) | Cooling fan cover for forced air cooling engine | |
| JP6909571B2 (en) | Anti-vibration device | |
| US9927022B2 (en) | Vibration isolator for manual transmission shifter with a single reaction arm | |
| US20100226712A1 (en) | Appliance clamping bush and appliance clamping device using the same | |
| JP2007064301A (en) | Rubber vibration isolator member | |
| WO2013021714A1 (en) | Anti-vibration unit | |
| JP2008057792A (en) | Cylindrical dynamic damper and its manufacturing process | |
| JP2009281431A (en) | Liquid filled vibration absorbing device | |
| US9057415B1 (en) | Adaptable multi-element vibration isolator | |
| US11946520B2 (en) | Vibration-damping device | |
| US8783667B2 (en) | Axially damping hydraulic mount |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |