CN110027814B - Vibration reduction flange - Google Patents
Vibration reduction flange Download PDFInfo
- Publication number
- CN110027814B CN110027814B CN201910265933.6A CN201910265933A CN110027814B CN 110027814 B CN110027814 B CN 110027814B CN 201910265933 A CN201910265933 A CN 201910265933A CN 110027814 B CN110027814 B CN 110027814B
- Authority
- CN
- China
- Prior art keywords
- disc
- damping
- plunger
- outer disc
- vibration damper
- 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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Links
- 239000004568 cement Substances 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims description 44
- 238000013016 damping Methods 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010705 motor oil Substances 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0006—Coupling devices between containers, e.g. ISO-containers
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of vibration reduction of cement tank trucks, in particular to a vibration reduction flange for a cement tank truck.
Description
Technical Field
The invention relates to the technical field of vibration reduction of flanges, in particular to a vibration reduction flange.
Background
The vibration reduction flange of the cement tank truck is mainly used for the rotation driving of the tank body in the transportation process of the cement tank truck and the buffer vibration reduction in the transportation process, and protects a driving system of the tank body and a chassis of the frame, so that damage caused by overlarge impact is prevented.
In actual life, a cement tank truck is an indispensable transport tool in the building process, and the stirred cement concrete is conveyed to a specified position through the cement tank truck for concrete pouring. In the transportation, because construction environment is abominable, the jolt of vehicle in the transportation is more violent, especially in non-pavement road surface, splendid attire concrete tank heavy weight is great, and the in-process vibration of jolting is great, and is great to the impact of reduction gear, especially to the bearing impact effect of ring flange department lead to the bearing damage, and the result leads to the tank body unable rotation, and the concrete in the tank body just solidifies soon, builds a jar phenomenon, causes huge loss. Aiming at the problems in the prior art, the flange plate structure with the buffering vibration damper is adopted, and the protection effect is effectively achieved by slowing down vibration impact so as to avoid damage to the bearing and the speed reducer.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides a flange structure with a buffering vibration damper, in particular to a vibration damper flange for a cement tank truck.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
a vibration damping flange comprising:
the inner disc is provided with a concave tooth slot at the outer edge;
the outer disc is of a circular ring structure, the inner ring of the outer disc is provided with inner teeth, the inner disc is nested in the inner ring of the outer disc and coaxial, and the inner teeth of the outer disc are meshed with tooth grooves of the inner disc;
the first buffering vibration damper is arranged between the inner teeth and the tooth socket contact surface relative to the radial direction of the outer disc;
and the second buffering vibration damper is arranged between the inner teeth and the tooth socket contact surface relative to the axial direction of the outer disc.
The inner disc is characterized in that one side of the inner disc is detachably connected with a baffle through a bolt, the outer edge of the baffle is flush with the outer edge of the inner disc, the groove wall on one side of the tooth groove is the baffle, the outer disc is clamped between the tooth groove formed by the inner disc and the baffle together, the contact surfaces of the two sides of the outer disc, which are opposite to the baffle and the inner disc, are respectively provided with a first seat hole, and a second buffering vibration damper is connected in the first seat hole; two side walls of the tooth groove corresponding to the radial direction of the outer disc are provided with second seat holes, and the second seat holes are connected with a first buffering vibration damper.
The first buffering vibration damper and the second buffering vibration damper all include plunger, belleville spring, cylinder spring, piston, sealing washer, belleville spring connects in the bottom of seat hole, and the plunger is connected in the top of belleville spring, and the plunger is hollow structure, and internal connection has cylinder spring and piston, and cylinder spring is located on the piston, and open the bottom of plunger has the damping hole.
Sealing rings are connected to the outer cylindrical surface of the plunger and the cylindrical surface of the piston.
Damping liquid is filled in the space of the belleville spring and a cavity formed by the piston and the plunger, and the damping liquid is silicone oil or engine oil.
The first buffering vibration damper is contacted with the side surface of the internal teeth on the outer disc, the second buffering vibration damper is contacted with the horizontal disc surface of the internal teeth on the outer disc, and gaps are reserved between the internal teeth and the side surface of the tooth grooves.
The damping holes can be arranged in one or more.
The inner teeth on the outer disc and the tooth grooves of the inner disc are triangular or involute in shape.
Through holes are uniformly formed in the upper surface of the outer edge of the outer disc, and the middle part of the inner disc is also connected with a spline shaft.
The vibration reduction flange is applied to the cement tank truck.
The beneficial effects of the invention are as follows:
compared with the prior art, the invention is characterized in that:
1. in the process of meshing the inner disc and the outer disc, when the teeth transmit torque, the buffer vibration damper on the tooth side can effectively reduce the meshing collision between the teeth and the tooth grooves, and the butterfly spring has stronger buffer vibration damping capability and also has the function of hydraulic damping to buffer the collision impact of the teeth and the tooth grooves caused by torsional vibration;
2. the buffer vibration damper is arranged between the end surfaces of the outer disc, the inner disc and the baffle plate, and is mainly used for buffering and damping impact vibration generated by the tank body in the axial direction, and particularly, the impact generated by the tank body is relieved under the conditions of bumpy road surface, acceleration, deceleration, braking and the like of a vehicle;
3. in order to effectively reduce the influence of impact vibration on key parts of the speed reducer, the buffer shock absorber is arranged at the contact part of the flange plate, so that the release of impact force is effectively slowed down, and the key parts are protected. When the outer disc transmits the impact vibration of the tank body, the impact can be reduced under the action of the buffer shock absorber no matter the impact vibration is rotation or axial impact vibration. When the plunger is impacted by external force, the plunger extrudes the belleville spring, meanwhile, damping liquid in the belleville spring space passes through the damping hole in the plunger, the liquid pressure pushes the piston and extrudes the cylindrical spring, elastic resistance generated by extrusion of the belleville spring in the process, damping force generated by liquid passing through the damping hole and spring force of the cylindrical spring extruded by the piston are used for relieving external impact force under the action of the forces, and the belleville spring and fluid flow through the damping hole have strong damping energy consumption effects. When the external impact force disappears, the spring returns to the initial state under the action of the restoring force of the spring, so that the next impact action is buffered and damped.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic axial structure of the present invention.
Fig. 2 is a schematic view of the circumferential structure of the present invention.
Fig. 3 is a schematic structural view of a buffering vibration damper of the present invention.
In the figure: the damping device comprises a 1-outer disc, a 2-inner disc, a 3-baffle, 4-inner teeth, 5-tooth sockets, a 6-first buffering vibration damper, a 7-second buffering vibration damper, an 8-plunger, a 9-belleville spring, a 10-cylindrical spring, an 11-piston, a 12-sealing ring, 13-damping liquid, 14-bolts, 15-spline shafts and 16-through holes.
Detailed Description
The invention relates to a vibration damping flange, which is used in a cement tank truck in the following examples to illustrate a concrete embodiment of the vibration damping flange.
Example 1:
referring to fig. 1 and 2, a vibration reducing flange, comprising:
the inner disc 2, the outer edge of the inner disc 2 is provided with a concave tooth slot 5;
the outer disc 1 is of a circular ring structure, the inner ring of the outer disc 1 is provided with inner teeth 4, the inner disc 2 is nested in the inner ring of the outer disc 1 and coaxial, and the inner teeth 4 of the outer disc 1 are meshed with tooth grooves 5 of the inner disc 2;
a first damper 6, the first damper 6 being provided between the contact surfaces of the internal teeth 4 and the tooth grooves 5 with respect to the radial direction of the outer disk 1;
and a second damper device 7, wherein the second damper device 7 is arranged between the contact surface of the internal teeth 4 and the tooth grooves 5 relative to the axial direction of the outer disk 1.
Preferably, one side of the inner disc 2 is detachably connected with a baffle 3 through a bolt 14, the outer edge of the baffle 3 is flush with the outer edge of the inner disc 2, the groove wall on one side of the tooth groove 5 is the baffle 3, the outer disc 1 is clamped between the tooth groove 5 formed by the inner disc 2 and the baffle 3, the contact surfaces of two sides of the outer disc 1, which are opposite to the baffle 3 and the inner disc 2, are respectively provided with a first seat hole, and the first seat hole is connected with a second buffer vibration damper 7; the two side walls of the tooth groove 5 relative to the radial direction of the outer disc 1 are provided with second seat holes, and the second seat holes are connected with a first buffering vibration damper 6.
When in actual use, the method comprises the following steps: in the process of meshing between the inner teeth 4 on the outer disc 1 and the tooth grooves of the inner disc 2, when torque is transmitted by the inner teeth 4, a first buffering vibration damper 6 is arranged between the contact surfaces of the inner teeth 4 and the tooth grooves 5 in the radial direction relative to the outer disc 1, so that meshing collision between the inner teeth 4 and the tooth grooves 5 can be effectively reduced, and a second buffering vibration damper 7 is arranged between the contact surfaces of the inner teeth 4 and the tooth grooves 5 in the axial direction relative to the outer disc 1, mainly buffering and damping impact vibration generated by a tank body in the axial direction, particularly, the impact generated by the tank body is relieved under the conditions of bumpy road, acceleration, deceleration, braking and the like of a vehicle.
When the outer disc 1 is connected and clamped with the inner disc 2 through the baffle 3, the specific first buffering vibration damper 6 is connected in a second seat hole formed in the two side walls of the tooth groove 5 in the radial direction relative to the outer disc 1, so that the force generated when the internal teeth 4 are meshed with the tooth groove 5 is effectively reduced, the second buffering vibration damper 7 is connected in the first seat holes formed in the corresponding surfaces of the baffle 3 and the inner disc 2 through the tooth groove 5, impact vibration generated by the tank body in the axial direction is buffered and damped, the baffle 3 and the inner disc 2 are connected through bolts 14, and the flange is convenient to detach and replace.
Example 2:
referring to fig. 3, this embodiment is different from embodiment 1 in that: the first buffering vibration damper 6 and the second buffering vibration damper 7 comprise a plunger 8, a butterfly spring 9, a cylindrical spring 10, a piston 11 and a sealing ring 12, the butterfly spring 9 is connected to the bottom of a seat hole, the plunger 8 is connected to the upper portion of the butterfly spring 9, the plunger 8 is of a hollow structure and is internally connected with the cylindrical spring 10 and the piston 11, the cylindrical spring 10 is located on the piston 11, and a damping hole is formed in the bottom of the plunger 8.
It is preferable that sealing rings are connected to both the outer cylindrical surface of the plunger 8 and the cylindrical surface of the piston 11.
Preferably, the space of the belleville spring 9 and the cavity formed by the piston 11 and the plunger 8 are filled with damping liquid 13, and the damping liquid 13 is silicone oil or engine oil.
When in actual use, the method comprises the following steps: the first buffering vibration damper 6 and the second buffering vibration damper 7 are respectively arranged at the contact part of the flange plate, release of impact force is effectively slowed down, key parts are protected, when impact vibration of the tank body is transmitted by the outer plate 1, impact can be reduced under the action of the first buffering vibration damper 6 and the second buffering vibration damper 7 no matter in rotation or in the axial direction, the butterfly spring 9 has strong buffering vibration damping capacity, impact of the buffer teeth 4 and the tooth grooves 5 caused by torsional vibration is particularly carried out, when the plunger 8 is impacted by external force, the plunger 8 presses the butterfly spring 9, meanwhile, damping liquid 13 in the space of the butterfly spring 9 passes through a damping hole in the plunger 8, liquid pressure pushes the piston 11 and presses the cylindrical spring 10, elastic resistance generated by pressing of the butterfly spring 9 in the process, damping force generated by pressing of the damping hole of the liquid and spring 11 pressing the cylindrical spring 10 are used for slowing down external impact force under the action of the force, and the butterfly spring 9 and the damping liquid 13 flow through the damping hole have strong damping energy consumption effects. When the external impact force disappears, under the action of the restoring force of the belleville springs 9 and the cylindrical springs 10, the belleville springs 9 and the cylindrical springs 10 restore to the initial state so as to buffer and damp the next impact action, wherein the damping liquid 13 is silicone oil or engine oil.
Example 3:
compared with embodiment 1 or 2, this embodiment is different in that: the first buffering vibration damper 6 is contacted with the side face of the inner teeth 4 on the outer disc 1, the second buffering vibration damper 7 is contacted with the horizontal disc face of the inner teeth 4 on the outer disc 1, and gaps are reserved between the inner teeth 4 and the side face of the tooth grooves 5.
When in actual use, the method comprises the following steps: the first buffering vibration damper 6 contacts with the side surface of the inner teeth 4 on the outer disc 1, the second buffering vibration damper 7 contacts with the horizontal disc surface of the inner teeth 4 on the outer disc 1, specifically, the plunger 8 plug on the first buffering vibration damper 6 contacts with the side surface of the inner teeth 4 on the outer disc 1, the plunger on the second buffering vibration damper 7 contacts with the horizontal disc surface of the inner teeth 4 on the outer disc 1, buffering force between the inner teeth 4 and the tooth grooves 5 and between the baffle 3 and the outer disc 1 can be further buffered when external force is received, release of impact force is effectively slowed down, key parts are protected, a gap is reserved between the inner teeth 4 and the side surface of the tooth grooves 5, space of the plunger 8 plug on the first buffering vibration damper 6 is guaranteed, the size of the gap is smaller than 6mm, and the first buffering vibration damper 6 can achieve the optimal buffering effect as long as the distance in the range is kept.
Example 4:
compared with embodiment 2, this embodiment is different in that: the damping holes can be arranged in one or more.
When in actual use, the method comprises the following steps: the damping holes can be arranged into one or more holes, the flow of the damping liquid 13 is relatively slow when one hole is formed, the flow time of the damping liquid 13 is shortened when the holes are formed, the wall body is filled more uniformly, and the use effect of the device can not be influenced when one hole or more holes are reserved in actual use.
Example 5:
compared with embodiment 1, this embodiment is different in that: the inner teeth 4 on the outer disc 1 and the tooth grooves 5 of the inner disc 2 are triangular or involute in shape.
Preferably, through holes are uniformly formed in the upper surface of the outer edge of the outer disc 1, and a spline shaft is further connected to the middle of the inner disc 2.
When in actual use, the method comprises the following steps: the tooth grooves 5 of the inner tooth 4 and the inner tooth groove 5 of the outer disk 1 are triangular or involute, so that the outer disk 1 is meshed with the inner disk 2 more firmly, through holes are uniformly formed in the upper surface of the outer edge of the outer disk 1, the outer disk is convenient to connect with a tank body in actual use, the middle part of the inner disk 2 is also connected with a spline shaft, and the whole device is convenient to connect with a speed reducer.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present invention, which is within the scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
The technical solutions between the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art that when the combination of technical solutions contradicts or cannot be implemented, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.
Claims (6)
1. A vibration reduction flange, comprising:
the inner disc (2) is provided with a concave tooth slot (5) at the outer edge of the inner disc (2);
the outer disc (1), the outer disc (1) is of a circular ring structure, the inner ring of the outer disc (1) is provided with inner teeth (4), the inner disc (2) is nested in the inner ring of the outer disc (1) and coaxial, and the inner teeth (4) of the outer disc (1) are meshed with tooth grooves (5) of the inner disc (2);
the first buffering vibration damper (6) is arranged between the contact surfaces of the inner teeth (4) and the tooth grooves (5) relative to the radial direction of the outer disc (1);
a second damper device (7), wherein the second damper device (7) is arranged between the contact surface of the internal teeth (4) and the tooth grooves (5) relative to the axial direction of the outer disk (1);
one side of the inner disc (2) is detachably connected with a baffle (3) through a bolt (14), the outer edge of the baffle (3) is flush with the outer edge of the inner disc (2), the groove wall at one side of the tooth groove (5) is the baffle (3), the outer disc (1) is clamped between the tooth grooves (5) formed by the inner disc (2) and the baffle (3), the contact surfaces of the two sides of the outer disc (1) respectively opposite to the baffle (3) and the inner disc (2) are provided with first seat holes, and the first seat holes are connected with second buffering vibration reduction devices (7); two side walls of the tooth groove (5) opposite to the radial direction of the outer disc (1) are provided with second seat holes, and the second seat holes are connected with a first buffering vibration damper (6);
the first buffering vibration damper (6) and the second buffering vibration damper (7) comprise a plunger (8), a butterfly spring (9), a cylindrical spring (10), a piston (11) and a sealing ring (12), wherein the butterfly spring (9) is connected to the bottom of a seat hole, the plunger (8) is connected to the upper part of the butterfly spring (9), the plunger (8) is of a hollow structure, the cylindrical spring (10) and the piston (11) are connected to the inside, the cylindrical spring (10) is located on the piston (11), and a damping hole is formed in the bottom of the plunger (8);
sealing rings are connected to the outer cylindrical surface of the plunger (8) and the cylindrical surface of the piston (11);
damping liquid (13) is filled in a cavity formed by the clearance of the belleville spring (9) and the piston (11) and the plunger (8), and the damping liquid (13) is silicone oil or engine oil.
2. A vibration-damping flange according to claim 1, characterized in that: the first buffering vibration damper (6) is contacted with the side face of the inner teeth on the outer disc (1), the second buffering vibration damper (7) is contacted with the horizontal disc face of the inner teeth on the outer disc (1), and gaps are reserved between the inner teeth (4) and the side face of the tooth grooves (5).
3. A vibration-damping flange according to claim 1, characterized in that: the damping holes are arranged in one or more.
4. A vibration-damping flange according to claim 1, characterized in that: the inner teeth (4) on the outer disc (1) and the tooth grooves (5) of the inner disc (2) are triangular or involute.
5. A vibration-damping flange according to claim 1, characterized in that: through holes are uniformly formed in the upper surface of the outer edge of the outer disc (1), and a spline shaft is further connected to the middle of the inner disc (2).
6. Use of a vibration damping flange according to any one of claims 1-5 in a cement tanker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265933.6A CN110027814B (en) | 2019-04-03 | 2019-04-03 | Vibration reduction flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265933.6A CN110027814B (en) | 2019-04-03 | 2019-04-03 | Vibration reduction flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110027814A CN110027814A (en) | 2019-07-19 |
| CN110027814B true CN110027814B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910265933.6A Active CN110027814B (en) | 2019-04-03 | 2019-04-03 | Vibration reduction flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110027814B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089117B (en) * | 2019-11-21 | 2022-04-08 | 中国航发贵阳发动机设计研究所 | Flexible vibration damping bearing bush |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213750A (en) * | 1997-09-09 | 1999-04-14 | 卢克摩擦片和离合器有限公司 | Piston engine with torsional vibration damper and its torsional vibration damper |
| CN201916378U (en) * | 2010-12-24 | 2011-08-03 | 力帆实业(集团)股份有限公司 | Electric vehicle coupling |
| WO2015081814A1 (en) * | 2013-12-06 | 2015-06-11 | 郑州宇通客车股份有限公司 | Eddy current retarder having twist vibration reduction function |
| CN107165982A (en) * | 2017-06-05 | 2017-09-15 | 杭州电子科技大学 | Torsional vibration damper based on hydraulic damping cam |
| CN210064006U (en) * | 2019-04-03 | 2020-02-14 | 西安卓士博液压工程有限责任公司 | Vibration reduction flange |
-
2019
- 2019-04-03 CN CN201910265933.6A patent/CN110027814B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213750A (en) * | 1997-09-09 | 1999-04-14 | 卢克摩擦片和离合器有限公司 | Piston engine with torsional vibration damper and its torsional vibration damper |
| CN201916378U (en) * | 2010-12-24 | 2011-08-03 | 力帆实业(集团)股份有限公司 | Electric vehicle coupling |
| WO2015081814A1 (en) * | 2013-12-06 | 2015-06-11 | 郑州宇通客车股份有限公司 | Eddy current retarder having twist vibration reduction function |
| CN107165982A (en) * | 2017-06-05 | 2017-09-15 | 杭州电子科技大学 | Torsional vibration damper based on hydraulic damping cam |
| CN210064006U (en) * | 2019-04-03 | 2020-02-14 | 西安卓士博液压工程有限责任公司 | Vibration reduction flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110027814A (en) | 2019-07-19 |
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