CN219888629U - Torsional vibration damper - Google Patents
Torsional vibration damper Download PDFInfo
- Publication number
- CN219888629U CN219888629U CN202321225601.3U CN202321225601U CN219888629U CN 219888629 U CN219888629 U CN 219888629U CN 202321225601 U CN202321225601 U CN 202321225601U CN 219888629 U CN219888629 U CN 219888629U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- wall
- stretching
- vulcanized rubber
- torsional vibration
- 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.)
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- 239000004636 vulcanized rubber Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a torsional vibration damper which comprises an inner sleeve, wherein a stretching sleeve is arranged on the outer wall of the inner sleeve, an oil-containing bearing is fixedly connected to the inner side wall of the stretching sleeve, a retaining ring is arranged on the outer wall of the stretching sleeve, an outer sleeve is fixedly connected to the outer wall of the retaining ring, the outer wall of the protective sleeve is fixedly connected to the other side of the outer sleeve through a protective cover lock pin, first vulcanized rubber is arranged between the inner side of the outer sleeve and the outer side of the inner sleeve, and second vulcanized rubber is arranged between the outer wall of the stretching sleeve and the retaining ring. The torsional vibration damper absorbs and dampens torque and vibration generated by a crankshaft through elastic deformation of the first vulcanized rubber and the second vulcanized rubber between the inner sleeve and the outer sleeve, meanwhile, the installation of the stretching sleeve and the support of the oil-containing bearing also play a role in damping, the stretching sleeve keeps a certain gap between the inner sleeve and the outer sleeve, and the first vulcanized rubber can better buffer when axial vibration occurs.
Description
Technical Field
The utility model relates to the technical field of shock absorbers, in particular to a torsional vibration shock absorber.
Background
Torsional vibration damper is a damping device commonly used in mechanical equipment, and when the mechanical equipment is operated, torque and vibration generated by a crankshaft can damage or abrade other mechanical parts, so that the service life of the mechanical equipment is shortened, or the mechanical equipment is broken down or even damaged, and the torsional vibration damper has the main function of reducing the impact and vibration force generated by the torque and vibration;
the existing torsional vibration damper mainly aims at torsional vibration and transverse vibration, so that the damping effect of the torsional vibration damper on axial vibration is not ideal, and mechanical equipment is easily damaged and worn due to the fact that the frequency and the amplitude of the axial vibration are usually larger;
for this purpose, a torsional vibration damper is proposed.
Disclosure of Invention
In view of the foregoing, the present utility model provides a torsional damper that solves or alleviates the technical problems of the prior art, and at least provides an advantageous option.
The technical scheme of the utility model is realized as follows: a torsional vibration damper comprising
The device comprises an inner sleeve, wherein an oil bearing is fixedly connected to the inner side wall of the inner sleeve, a retaining ring is arranged on the outer wall of the stretching sleeve, an outer sleeve is fixedly connected to the outer wall of the retaining ring, a protective cover is arranged on the other side of the outer sleeve, the outer wall of the protective cover is fixedly connected to the other side of the outer sleeve through a protective cover lock pin, a first vulcanized rubber is arranged between the inner side of the outer sleeve and the outer side of the inner sleeve, a second vulcanized rubber is arranged between the outer wall of the stretching sleeve and the retaining ring, and because torque and vibration generated by a crankshaft can be transmitted to a torsional vibration damper, the first vulcanized rubber and the second vulcanized rubber can elastically deform along with rotation of the outer sleeve and the retaining ring, so that part of vibration and impact force are absorbed and damped through the installation of the stretching sleeve and the support of the oil bearing, a certain gap can be kept between the inner sleeve and the outer sleeve through the stretching sleeve, and the first vulcanized rubber between the inner sleeve and the outer sleeve can play a better role in damping effect when axial vibration occurs, the mechanical vibration can be effectively prolonged, and the mechanical vibration can be further reduced, and the vibration and the mechanical shock can be effectively reduced, and the vibration can be further reduced.
Further preferably, one end of the shield lock pin is in threaded connection with one side of the outer sleeve, the shield is fixed on the outer sleeve through the shield lock pin, the position and stability of the shield are guaranteed, the shield is prevented from loosening or falling off in the operation process, and the shield lock pin is in threaded connection with the outer sleeve, so that the shield lock pin is convenient to detach and maintain the torsional vibration damper.
Further preferably, a central shaft hole is formed in the center of one side of the inner sleeve, the central shaft hole is a central hole of the inner sleeve and is used for connecting a shaft, and the position of the inner sleeve is fixed through a guide pin.
Further preferably, a guide pin is arranged on one side of the inner sleeve and positioned on the circumference of the outer wall of the middle shaft hole.
Further preferably, a plurality of bolts are arranged on one side of the retainer ring, the adjacent sides of the outer sleeve and the retainer ring are fixedly connected through the plurality of bolts, and the plurality of bolts are located between the protective cover and the outer sleeve.
Further preferably, the outer side wall of the outer sleeve is provided with a plurality of V-shaped grooves, and the belt is tightly attached to the groove bottom through the V-shaped grooves, so that the transmission efficiency and the stability are improved.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
the torsional vibration damper absorbs and dampens torque and vibration generated by a crankshaft through elastic deformation of the first vulcanized rubber and the second vulcanized rubber between the inner sleeve and the outer sleeve, meanwhile, the installation of the stretching sleeve and the support of the oil-containing bearing also play a role in damping, the stretching sleeve keeps a certain gap between the inner sleeve and the outer sleeve, and the first vulcanized rubber can better buffer when axial vibration occurs.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a cross-sectional block diagram of the present utility model;
fig. 3 is an enlarged structural view of the region a of fig. 2 according to the present utility model.
Reference numerals: 1. an inner sleeve; 2. stretching the sleeve; 3. a retainer ring; 4. a jacket; 5. an oil-impregnated bearing; 6. a bolt; 7. a guide pin; 8. a shield; 9. a shield lock pin; 10. a first vulcanized rubber; 11. a second vulcanized rubber; 12. a middle shaft hole; 13. v-shaped groove.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in FIGS. 1-3, embodiments of the present utility model provide a torsional vibration damper comprising
The novel anti-vibration rubber sleeve comprises an inner sleeve 1, wherein an oil-containing bearing 5 is fixedly connected to the outer wall of the inner sleeve 1, a retainer ring 3 is arranged on the outer wall of the tension sleeve 2, an outer sleeve 4 is fixedly connected to the outer wall of the retainer ring 3, a shield 8 is arranged on the other side of the outer sleeve 4, the outer wall of the shield 8 is fixedly connected to the other side of the outer sleeve 4 through a shield lock pin 9, and first vulcanized rubber 10 and second vulcanized rubber 11 elastically deform along with rotation of the outer sleeve 4 and the retainer ring 3, so that a part of vibration and impact force are absorbed and damped, the damping effect is achieved through the installation of the tension sleeve 2 and the support of the oil-containing bearing 5, the first vulcanized rubber 10 is arranged between the inner side of the outer sleeve 4 and the outer side of the inner sleeve 1, the second vulcanized rubber 11 is arranged between the outer wall of the tension sleeve 2 and the retainer ring 3, a certain gap is kept between the inner sleeve 1 and the outer sleeve 4 through the tension sleeve 2, and the first vulcanized rubber 10 between the inner sleeve 1 and the outer sleeve 4 can play a better damping effect when axial vibration occurs.
In one embodiment, one end of the shield lock pin 9 is connected to one side of the outer sleeve 4 in a threaded manner, the shield 8 is fixed on the outer sleeve 4 through the shield lock pin 9, so that the position and stability of the shield 8 are guaranteed, the shield is prevented from loosening or falling off in the operation process, and the shield lock pin 9 is connected to the outer sleeve 4 in a threaded manner, so that the disassembly and maintenance of the torsional vibration damper are facilitated.
In one embodiment, a central shaft hole 12 is formed in the center of one side of the inner sleeve 1, a guide post pin 7 is arranged on one side of the inner sleeve 1 and positioned on the circumference of the outer wall of the central shaft hole 12, the central shaft hole 12 is a central hole of the inner sleeve 1 and is used for connecting a shaft, and the position of the inner sleeve 1 is fixed through the guide post pin 7.
In one embodiment, one side of the retainer ring 3 is provided with a plurality of bolts 6, and the adjacent sides of the outer sleeve 4 and the retainer ring 3 are fixedly connected by the plurality of bolts 6, the plurality of bolts 6 being located between the shield 8 and the outer sleeve 4.
In one embodiment, the outer side wall of the outer sleeve 4 is provided with a plurality of V-shaped grooves 13, and the belt is tightly attached to the groove bottom through the V-shaped grooves 13, so that the transmission efficiency and the stability are improved.
The utility model works when in work: the first vulcanized rubber 10 and the second vulcanized rubber 11 can elastically deform along with the rotation of the outer sleeve 4 and the retainer ring 3, so that a part of vibration and impact force are absorbed and damped, the damping effect is achieved through the installation of the stretching sleeve 2 and the support of the oil-containing bearing 5, a certain gap is kept between the inner sleeve 1 and the outer sleeve 4 through the stretching sleeve 2, and the first vulcanized rubber 10 between the inner sleeve 1 and the outer sleeve 4 can play a better role in buffering when axial vibration occurs.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. A torsional vibration damper, characterized in that: comprising
The novel rubber sleeve comprises an inner sleeve (1), wherein a stretching sleeve (2) is arranged on the outer wall of the inner sleeve (1), an oil-containing bearing (5) is fixedly connected to the inner side wall of the stretching sleeve (2), a retainer ring (3) is arranged on the outer wall of the stretching sleeve (2), an outer sleeve (4) is fixedly connected to the outer wall of the retainer ring (3), a shield (8) is arranged on the other side of the outer sleeve (4), the outer wall of the shield (8) is fixedly connected to the other side of the outer sleeve (4) through a shield lock pin (9), a first vulcanized rubber (10) is arranged between the inner side of the outer sleeve (4) and the outer side of the inner sleeve (1), and a second vulcanized rubber (11) is arranged between the outer wall of the stretching sleeve (2) and the retainer ring (3).
2. A torsional vibration damper as defined in claim 1, characterized in that: one end of the protective cover lock pin (9) is connected with one side of the outer sleeve (4) in a threaded mode.
3. A torsional vibration damper as defined in claim 1, characterized in that: a middle shaft hole (12) is formed in the center of one side of the inner sleeve (1).
4. A torsional vibration damper as defined in claim 3, characterized in that: one side of the inner sleeve (1) and the circumference of the outer wall of the middle shaft hole (12) are provided with guide pins (7).
5. A torsional vibration damper as defined in claim 1, characterized in that: one side of the retainer ring (3) is provided with a plurality of bolts (6), the adjacent sides of the outer sleeve (4) and the retainer ring (3) are fixedly connected through the bolts (6), and a plurality of bolts (6) are positioned between the protective cover (8) and the outer sleeve (4).
6. A torsional vibration damper as defined in claim 5, wherein: the outer side wall of the outer sleeve (4) is provided with a plurality of V-shaped grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225601.3U CN219888629U (en) | 2023-05-17 | 2023-05-17 | Torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225601.3U CN219888629U (en) | 2023-05-17 | 2023-05-17 | Torsional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888629U true CN219888629U (en) | 2023-10-24 |
Family
ID=88396642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321225601.3U Active CN219888629U (en) | 2023-05-17 | 2023-05-17 | Torsional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888629U (en) |
-
2023
- 2023-05-17 CN CN202321225601.3U patent/CN219888629U/en active Active
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