CN205260661U - Torsional damper and engineering vehicle - Google Patents
Torsional damper and engineering vehicle Download PDFInfo
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- CN205260661U CN205260661U CN201521054639.4U CN201521054639U CN205260661U CN 205260661 U CN205260661 U CN 205260661U CN 201521054639 U CN201521054639 U CN 201521054639U CN 205260661 U CN205260661 U CN 205260661U
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- elastomeric element
- inner disc
- vibration damper
- torsional vibration
- opening
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Abstract
The utility model provides a torsional damper, including outer dish, inner disc and an elastomeric element, outer dish includes casing, the 2nd elastomeric element, transmission piece and friction disc, friction disc and casing relatively fixed, and the 2nd elastomeric element is used for ordering about the friction disc and hugs closely at the transmission piece, transmission piece and the coaxial setting of inner disc, an elastomeric element sets up between transmission piece and inner disc for elastic connection transmission piece and inner disc. During specific applications, the shell of outer dish is connected with the flywheel of engine, and the inner disc is connected with the gearbox, and the power of engine output process casing, friction disc, transmission piece, an elastomeric element and inner disc in proper order transmits for the gearbox, when load arrives the certain degree greatly, and emergence rotation relatively between friction disc and the transmission piece to prevent that torsional damper is because of the too big inefficacy of atress. On the basis, the utility model discloses still provide an engineering machine tool that has this torsional damper.
Description
Technical field
The utility model relates to the damping technology of engineering truck, is specifically related to a kind of torsional vibration damper and engineering truck.
Background technology
On engineering truck, conventionally between engine flywheel and gearbox, torsional vibration damper is set; On the one hand,Torsional vibration damper can pass to gearbox by the moment of torsion of engine output, on the other hand, and the rotating speed of engineThe problem that has sudden change (being commonly called as inhomogeneities), especially, in slow-revving situation, torsional vibration damper canThe sudden change of rotating speed is carried out to " filtration " to a certain degree, and then alleviate rotating speed and suddenly change to driving sections such as gearboxesThe negative effect that part brings.
Conventionally, the torsional vibration damper on engineering truck comprises inner disc and outer disk, and outer disk and inner disc coaxially arrange,Outer disk is fixedly connected with the flywheel of engine, and the wheel hub of inner disc is connected with the power shaft of gearbox, and inner disc is with outerBetween dish, be provided with elastic connecting device, the moment of torsion of outer disk is passed to inner disc by elastic connecting device, and sending outIn engine speed when sudden change,, the spring pressurized on elastic connecting device and shortening, occurs turning between inner disc and outer diskSpeed is not identical, under the active force of spring, progressively makes inner disc close with outer disk rotating speed, and then it is prominent to reduce rotating speedBecome the negative effect causing to gearbox.
There is obvious rotating speed problem of non-uniform in engine, rotating speed is inhomogeneous easily causes transmission in slow-speed of revolution districtThere is torsional resonance phenomenon in system, torsional resonance can be brought heavy damage to transmission system, for fear of torsionResonance, reverses and conventionally adopts the less shock-absorbing spring of rigidity; But, because engineering machinery is in startup, the sudden turn of eventsIn speed, the situation such as upgrade, lower category, torsional vibration damper need to transmit larger moment of torsion, and what rigidity was less subtractsThe spring that shakes is easy to occur the problems such as fracture or permanent deformation.
Utility model content
In view of this, the utility model is intended to propose a kind of new torsional vibration damper, compared with prior art,This torsional vibration damper both can reduce the excessive negative effect causing of load. On this basis, the utility modelA kind of engineering machinery with this torsional vibration damper is also proposed.
As first aspect, the utility model proposes a kind of torsional vibration damper, it comprises outer disk, inner disc andOne elastomeric element, described outer disk comprises housing, the second elastomeric element, driver blade and friction plate, described frictionSheet is relative with housing fixing, and the second elastomeric element is used for ordering about friction plate and is close to described driver blade; DescribedDriver blade and inner disc coaxially arrange, and described the first elastomeric element is arranged between driver blade and inner disc, for bulletProperty connection for transmission sheet and inner disc.
Preferably, on described inner disc, be provided with the first opening, on described driver blade, be provided with the second opening, instituteState the first opening and the second opening matches, described the first elastomeric element is fastened on the first opening and the second openingIn.
Preferably, the quantity of described the first opening, the second opening and the first elastomeric element is multiple, describedOne opening, the second opening and the first elastomeric element mate one to one, and multiple described the first openings are around inner discCenter of rotation is evenly arranged.
Preferably, the both sides of described the first opening are fixed with the first limiting plate and the second limiting plate, described firstLimiting plate and the second limiting plate coordinate formation accommodating cavity, and described accommodating cavity is used for stoping the first elastomeric element insideTwo lateral movements of dish.
Preferably, the outside of the first limiting plate and the second limiting plate is provided with interior protuberance, described interior protuberance topBe against on described the first elastomeric element, for stoping the first elastomeric element towards the side away from inner disc center of rotationTo motion.
Preferably, described interior disk center is provided with wheel hub, and described the first limiting plate and the second limiting plate pass through boltBe fixedly connected with wheel hub.
Preferably, described housing comprises the first side plate and the second side plate, and described the first side plate and the second side plate canDetachable is fixedly connected with, and between the first side plate and the second side plate, be provided with hold described the second elastomeric element,The space of driver blade and friction plate.
Preferably, described driver blade is clipped between two described friction plates, and described the second elastomeric element is arranged atBetween housing and friction plate.
Preferably, described the first elastomeric element and the second elastomeric element are spring, described the second elastomeric elementCross section be " V " type or fall " V " type.
As second aspect, the utility model proposes a kind of engineering machinery, it comprises vehicle frame, engine, changeTorsional vibration damper described in speed case and above-mentioned any one, described engine and gearbox are all arranged on vehicle frame,The housing of described outer disk is connected with the flywheel of engine, and described inner disc is connected with the power shaft of gearbox.
The torsional vibration damper the utility model proposes comprises outer disk, inner disc and the first elastomeric element, and outer disk comprisesHousing, the second elastomeric element, driver blade and friction plate, friction plate is relative with housing fixing, the second elastic portionPart is used for ordering about friction plate and is close to driver blade; Driver blade and inner disc coaxially arrange, and the first elastomeric element is establishedBe placed between driver blade and inner disc, for elasticity connection for transmission sheet and inner disc. When concrete application, outside outer diskShell is connected with the flywheel of engine, and inner disc is connected with gearbox, the power of engine output pass through successively housing,Friction plate, driver blade, the first elastomeric element and inner disc pass to gearbox, when load is greatly to a certain extent time,Between friction plate and driver blade, relatively rotate, thereby prevent that torsional vibration damper was because of stressed excessive inefficacy.
Brief description of the drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, thisThe schematic description and description of utility model is used for explaining the utility model, does not form this practicality newThe improper restriction of type. In the accompanying drawings:
The structural representation of the torsional vibration damper that Fig. 1 provides for the utility model specific embodiment;
Fig. 2 is the cutaway view in A-A cross section in Fig. 1.
Description of reference numerals:
1-inner disc, 2-outer disk, 3-wheel hub, 4-the first elastomeric element the 5-the first limiting plate
The 6-the second limiting plate 7-interior protuberance 21-the first side plate the 22-the second side plate
23-friction plate, 24-the second elastomeric element 25-driver blade
Detailed description of the invention
It should be noted that, in the situation that not conflicting, in the embodiment in the utility model and embodimentFeature can combine mutually. Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As illustrated in fig. 1 and 2, the utility model specific embodiment propose torsional vibration damper, comprise outer disk 2,Inner disc 1 and the first elastomeric element 4, be connected by the first elastomeric element 4 elasticity between outer disk 2 and inner disc 1.
Wherein, outer disk 2 comprises housing, the second elastomeric element 24, driver blade 25 and friction plate 23, housingComprise that the first side plate 21 and the second side plate 22, the second side plates 22 and the second side plate 22 are bolted;Between the first side plate 21 and the second side plate 22, be provided with accommodation space, friction plate 23, the second elastomeric element 24And a part for driver blade 25 is fastened in accommodation space, driver blade 25 is stuck between two friction plates 23,The second elastomeric element 24 is arranged between friction plate 23 and the second side plate 22, the work of the second elastomeric element 24Firmly ordering about friction plate 23 fits tightly with driver blade 25, the first side plate 21 respectively; Housing and friction plate 23Between, between friction plate 23 and driver blade 25, all rely on the friction transfer function power between contact-making surface.
The center of inner disc 1 is provided with wheel hub 3, on inner disc 1, has been evenly arranged multiple the first openings around wheel hub 3,On driver blade 25, be provided with multiple the second openings, the first opening mates one by one with the second opening, the first elastic portionThe quantity of part 4 is consistent with the quantity of the first opening, in every pair of first opening and the second opening, is arranged with oneOne elastomeric element 4, passes through the first elastomeric element 4 transfer function power between inner disc 1 and driver blade 25.
Be provided with the first limiting plate 5 and the second limiting plate 6, the first limiting plates 5 and in the both sides of inner disc 1Two limiting plates 6 are fixing by bolt and wheel hub 3, between the first limiting plate 5 and the second limiting plate 6, are formed withAccommodating cavity, the first elastomeric element 4 is fastened in accommodating cavity; In the course of the work, the first elastomeric element 4 is subject toTo axial compressive force, under normal circumstances, under axial compressive force effect, the first elastomeric element 4 compresses vertically,In the time that pressure is larger, the first elastomeric element 4 exists to the possibility of both sides distortion, the first limiting plate 5 and secondThe accommodating cavity that limiting plate 6 forms can stop the first elastomeric element 4 to be out of shape to both sides.
Be provided with interior protuberance 7, convex at the first limiting plate 5 and the second limiting plate 6 away from a side of wheel hub 3Portion's 7 contacts are on the first elastomeric element 4; In rotation process, the first elastomeric element 4 be subject to centrifugal force and, there is radial deformation or mobile trend in axial compressive force effect, by the supporting role of interior protuberance 7, improvesThe first elastomeric element 4 stressed, and stop it to occur centrifugal motion.
In the above-described embodiments, the first elastomeric element 4 and the second elastomeric element 24 can adopt helical spring,Certainly, also can adopt other to there are flexible parts and realize same function.
The operation principle of this torsional vibration damper is: housing is connected with the flywheel of engine by bolt, enginePower be passed to wheel through housing, friction plate 23, driver blade 25, the first elastomeric element 4 and inner disc 1 successivelyHub 3, then exports gearbox to by wheel hub 3; Owing to being provided with friction plate between housing and driver blade 2523, when load is greatly to a certain extent time, between friction plate 23 and driver blade 25, relatively rotate, preventTorsional vibration damper, because of stressed excessive inefficacy, plays overload protection function.
It should be noted that, in the above-described embodiments, the quantity of friction plate 23 is two; But, at otherIn embodiment, also can only use a friction plate 23, can play equally overload protective function.
In addition, the utility model specific embodiment also proposes a kind of engineering machinery, comprise vehicle frame, engine,Gearbox and above-mentioned torsional vibration damper, engine and gearbox are all arranged on vehicle frame, the housing of outer disk 2Be connected with the flywheel of engine, inner disc 1 is connected with the power shaft of gearbox. By adopting above-mentioned torsion to subtractThe device that shakes, can play overload protective function, reduces the negative effect of overload to complete machine, reduces maintenance cost.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., allWithin should being included in protection domain of the present utility model.
Claims (10)
1. a torsional vibration damper, is characterized in that, comprises outer disk (2), inner disc (1) and the first elasticityParts (4), described outer disk (2) comprises housing, the second elastomeric element (24), driver blade (25) and rubsPad (23), described friction plate (23) is relative with housing fixing, and the second elastomeric element (24) is for ordering aboutFriction plate (23) is close on described driver blade (25); Described driver blade (25) is coaxial with inner disc (1)Arrange, described the first elastomeric element (4) is arranged between driver blade (25) and inner disc (1), for bulletProperty connection for transmission sheet (25) with inner disc (1).
2. torsional vibration damper according to claim 1, is characterized in that, described inner disc is established on (1)Be equipped with the first opening, described driver blade is provided with the second opening on (25), and described the first opening and second is openedMouth matches, and described the first elastomeric element (4) is fastened in the first opening and the second opening.
3. torsional vibration damper according to claim 2, is characterized in that, described the first opening, secondThe quantity of opening and the first elastomeric element (4) is multiple, described the first opening, the second opening and the first elasticityParts (4) mate one to one, and multiple described the first openings are evenly arranged around the center of rotation of inner disc (1).
4. torsional vibration damper according to claim 3, is characterized in that, the both sides of described the first openingBe fixed with the first limiting plate (5) and the second limiting plate (6), described the first limiting plate (5) and second spacingPlate (6) coordinates formation accommodating cavity, and described accommodating cavity is used for stoping the first elastomeric element (4) to inner disc (1)Two lateral movements.
5. torsional vibration damper according to claim 4, is characterized in that, the first limiting plate (5) andThe outside of the second limiting plate (6) is provided with interior protuberance (7), and described interior protuberance (7) contact is describedOne elastomeric element (4) is upper, for stoping the first elastomeric element (4) towards away from inner disc (1) center of rotationDirection motion.
6. torsional vibration damper according to claim 5, is characterized in that, described inner disc (1) centerBe provided with wheel hub (3), described the first limiting plate (5) and the second limiting plate (6) are by bolt and wheel hub (3)Be fixedly connected with.
7. according to the torsional vibration damper described in claim 1 to 6 any one, it is characterized in that described shellBody comprises the first side plate (21) and the second side plate (22), described the first side plate (21) and the second side plate (22)Detachable being fixedly connected with, and described in being provided with between the first side plate (21) and the second side plate (22) and holdingThe space of the second elastomeric element (24), driver blade (25) and friction plate (23).
8. according to the torsional vibration damper described in claim 1 to 6 any one, it is characterized in that described biographyMoving plate (25) is clipped between two described friction plates (23), and described the second elastomeric element (24) is arranged atBetween housing and friction plate (23).
9. according to the torsional vibration damper described in claim 1 to 6 any one, it is characterized in that describedOne elastomeric element (4) and the second elastomeric element (24) are spring, described the second elastomeric element (24)Cross section is " V " type or " V " type of falling.
10. an engineering machinery, is characterized in that, comprises vehicle frame, engine, gearbox and claimTorsional vibration damper described in 1 to 9 any one, described engine and gearbox are all arranged on vehicle frame, instituteThe housing of stating outer disk (2) is connected with the flywheel of engine, and described inner disc (1) connects with the power shaft of gearboxConnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054639.4U CN205260661U (en) | 2015-12-16 | 2015-12-16 | Torsional damper and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054639.4U CN205260661U (en) | 2015-12-16 | 2015-12-16 | Torsional damper and engineering vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN205260661U true CN205260661U (en) | 2016-05-25 |
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ID=56002190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521054639.4U Active CN205260661U (en) | 2015-12-16 | 2015-12-16 | Torsional damper and engineering vehicle |
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| Country | Link |
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| CN (1) | CN205260661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422733A (en) * | 2015-12-16 | 2016-03-23 | 湖南三一路面机械有限公司 | Torsion damper and engineering vehicle |
| CN111322351A (en) * | 2018-12-17 | 2020-06-23 | 舍弗勒技术股份两合公司 | Torsional vibration damper |
-
2015
- 2015-12-16 CN CN201521054639.4U patent/CN205260661U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422733A (en) * | 2015-12-16 | 2016-03-23 | 湖南三一路面机械有限公司 | Torsion damper and engineering vehicle |
| CN111322351A (en) * | 2018-12-17 | 2020-06-23 | 舍弗勒技术股份两合公司 | Torsional vibration damper |
| CN111322351B (en) * | 2018-12-17 | 2023-09-12 | 舍弗勒技术股份两合公司 | Torsional vibration damper |
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| GR01 | Patent grant |