CN203560394U - Crankshaft pulley assembly - Google Patents
Crankshaft pulley assembly Download PDFInfo
- Publication number
- CN203560394U CN203560394U CN201320464441.8U CN201320464441U CN203560394U CN 203560394 U CN203560394 U CN 203560394U CN 201320464441 U CN201320464441 U CN 201320464441U CN 203560394 U CN203560394 U CN 203560394U
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- pulley assembly
- outer belt
- belt wheel
- annular
- crank pulley
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Abstract
The utility model relates to a crankshaft pulley assembly including a shell and an outer belt pulley. The shell includes a base part and an annular assembling base extending in the circumferential direction from the edge of an end face of the base. One side of the annular assembling base is provided with an annular groove while the opposite side is provided with a protruding clamping ring. The outer belt pulley is installed on the clamping ring in a fitted manner and the peripheral face of the outer belt pulley is provided with a belt groove. A rubber layer is arranged between the outer belt layer and the base. A buffer layer is arranged between the clamping ring and the outer belt pulley in a matched manner. The crankshaft pulley assembly provided by the utility model is simple and reasonable in structural design and solid and reliable in element connection. Especially, a damping structure formed by combining rubber and silicone oil is adopted, so that the crankshaft pulley assembly is good in damping effect and can meet using requirements of high-power engines effectively. The crankshaft pulley assembly is suitable for promotion and application.
Description
Technical field
The utility model relates to engine component technical field, relates in particular to a kind of crank pulley assembly.
Background technique
Vehicle shock absorber is mainly for supporting transmitting torque and subduing few motor torsional vibration of shafting.There is a plurality of intrinsic (self-vibration) frequency in engine shaft system, and the periodic excitation moment of motor also can be decomposed into several times simple harmonic quantity moment, and the frequency of each humorous moment be take the frequency of work cycle and increased successively as interval, and proportional with rotating speed.If in engine operation speed range, the frequency that occurs certain humorous moment and axle be a certain fixed frequency (normally frequency minimum one, second order) situation about equating, axle system will be in resonance state, rotating speed is now called critical speed of rotation.During resonance, torsional oscillation amplitude will increase rapidly, until the energy that axle is damping to be consumed equates with the energy that excitation moment adds to axle system, amplitude is no longer increase.And torsional vibration meeting changes the phase angle between each crank, destroy each cylinder working balanced, engine operation deterioration, power are declined, complete machine oscillation and noise aggravation, even cause accident of locomotive defect.Yet crankshaft belt pulley is exactly the power resources that drive other engine accessory power rating, rely on drivign belt to drive the runnings such as generator, water pump, boost pump, compressor, the quality of its design will directly affect the running of whole engine accessory power rating.
Given this, in Chinese patent 201110080810.9, mention a kind of belt pulley of engine crankshaft vibration damper, comprise wheel hub, belt pulley, inertia rings and rubber, wheel hub and belt pulley are spun into as a whole with carbon constructional quality steel 08AL, be provided with inertia rings make it into as a whole in the cavity of belt pulley inner side surface by rubber ring.Although, by wheel hub and belt pulley, be to be spun into as a wholely, do not have mechanics and disperse, can energy saving; But the anti seismic efficiency of this belt pulley is general, can not meet the usage requirement of high power engine, when losing efficacy, rubber easily whole body was caused to damage, affect the use safety of whole engine system.
At another Chinese patent 201020533469.9, mention a kind of shock-proof crank pulley, comprise belt pulley hub, belt pulley outer ring and sulfuration damping adhesive tape, belt pulley outer ring is arranged on belt pulley hub by sulfuration damping adhesive tape, also there is sand blast layer in belt pulley hub and surface, belt pulley outer ring, on belt pulley hub, be provided with gear ring, gear ring is comprised of a plurality of signal teeth, have at least and between a pair of signal teeth, have one section of smooth circular arc, belt pulley has belt grooves on outer ring, uniform four mounting holes on belt pulley hub.Although this belt pulley anti-fatigue performance and shock resistance have obtained raising to a certain degree, but the anti seismic efficiency of sulfuration damping adhesive tape is general, can not play good damping effect to whole on-stream belt pulley, cannot meet the usage requirement of high power engine, once sulfuration damping adhesive tape lost efficacy and is just easy to whole body to cause damage, affected the use safety of whole engine system.
Above-mentioned known, be necessary prior art further to improve.
Summary of the invention
The present invention is poor in order to solve existing crank pulley assembly anti seismic efficiency, cannot meet high power engine usage requirement problem and to propose a kind of anti seismic efficiency good, use safety, reliable, can effectively meet the crank pulley assembly of high power engine usage requirement.
The utility model is achieved through the following technical solutions:
Above-mentioned crank pulley assembly, comprises shell and outer belt wheel; Described shell comprises base portion and the annular assembling stand circumferentially extending from an end face edge of described base portion; Described annular assembling stand one side is provided with annular groove, and opposite side has protruded out snap ring relatively; Described outer belt wheel coupling is installed on described snap ring and circumferential surface is provided with belt grooves; Between described outer belt wheel and described base portion, be folded with rubber layer; Between described snap ring and described outer belt wheel, mate and be folded with buffer layer.
Described crank pulley assembly, wherein: the outer wall of described base portion is arranged with steel bushing; Described rubber layer is located between the outer wall of described steel bushing and the inwall of described outer belt wheel.
Described crank pulley assembly, wherein: an end face of described outer belt wheel is provided with annular die cavity along circumference, and relative other end is provided with annular deep gouge along circumference; The bottom of described annular die cavity is provided with a plurality of pilot holes along even circumferential.
Described crank pulley assembly, wherein: described snap ring is that the end face edge from described annular assembling stand circumferentially extends to form, is formed with cavity between itself and described base portion; One end face of described base portion is provided with cylindricality cavity, and relative other end is provided with cylindricality deep gouge; Bottom even circumferential along described cylindricality deep gouge is provided with a plurality of perforations to the first cylindrical hole of described cylindricality cavity bottom; Symmetry center along described a plurality of the first cylindrical holes is axially arranged with second cylindrical hole; Described the second cylindrical hole connects respectively the bottom of described cylindricality deep gouge and the bottom of described cylindricality cavity.
Described crank pulley assembly, wherein: the port match of described annular groove is equiped with cover plate.
Described crank pulley assembly, wherein: described assembly also comprises wearing layer, inertia ring, gasket ring and rim strip; Described wearing layer coupling is located between described outer belt wheel and described snap ring; Described inertia ring coupling is embedded in described annular groove and by described covering palte seal, and its opposite end surface is all arranged with draw-in groove and along circumference, is provided with roughly V-shaped groove with the side that described cover plate joins along circumference; Described gasket ring coupling is located between described inertia ring and cover plate; Described rim strip coupling is located between described inertia ring and the inwall of described annular groove.
Described crank pulley assembly, wherein: an end face coupling of described gasket ring is embedded in described draw-in groove, other end is connected with the groove bottom contact of described annular groove.
Described crank pulley assembly, wherein: described wearing layer coupling is sheathed on the outside of described snap ring; Described buffer layer coupling is sheathed on described wearing layer and with the inwall contact of described outer belt wheel and is connected.
Beneficial effect:
The utility model is rubber and silicone oil crank pulley assembly, and silicone oil absorbs vibration, and automobile balance, travelling comfort are better; Filled with silicone oil is between the gap of housing and inertia ring; then by pressing plate, be pressed on housing and be sealed; adopt spinning process roll extrusion to form, not only simple to operate than traditional electronic welding, and also the artificial manufacture cost of electron beam welding special messenger is purchased and configured to saving equipment (electron beam welding machine); Compound belt pulley assembly, because rubber housing and belt pulley are structures in parallel, when rubber inefficacy or any material inefficacy of silicone oil, has buffering course to engine work, makes it have the sufficient time to change; Do not affect motor completely and normally move, and silicone-oil belt pulley assembly can very worked under rugged environment, silicone oil is as viscous damping material, viscosity-temperature coefficient is little, high-and low-temperature resistance, anti-oxidant, flash-point is high, volatility is little, chemical stability is good, nontoxic, corrosion-free to metal, also there is good lubrication, can reduce friction.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model crank pulley assembly;
Fig. 2 is the sectional drawing of the utility model crank pulley assembly A-A direction in Fig. 1;
Fig. 3 is the sectional drawing of the shell of the utility model crank pulley assembly;
Fig. 4 is the plan view before the outer belt wheel of the utility model crank pulley assembly assembles;
Fig. 5 is the sectional drawing of outer belt wheel B-B direction in Fig. 4 of the utility model crank pulley assembly;
Fig. 6 is the structural representation of the inertia ring of the utility model crank pulley assembly;
Fig. 7 is the sectional drawing of inertia ring C-C direction in Fig. 6 of the utility model crank pulley assembly.
Embodiment
" left side " relating in the utility model, " right side " and " interior ", " outward " noun of locality all with in accompanying drawing 2, accompanying drawing 3, Fig. 5 or accompanying drawing 7 towards consistent.
As shown in Fig. 1 to 7, the utility model crank pulley assembly, comprises shell 1, steel bushing 2, inertia ring 3, gasket ring 4, rim strip 5, outer belt wheel 6, buffer layer 7, wearing layer 8 and rubber layer 9.
This base portion 11 is body structure in the form of a ring roughly, and its right side is provided with cylindricality cavity 111, the other end relative with this cylindricality cavity 111, and the left side of this base portion 11 is provided with cylindricality deep gouge 112; Bottom land even circumferential along this cylindricality deep gouge 112 is provided with a plurality of the first cylindrical holes 113 that connect to cylindricality cavity 111 bottoms, and in the present embodiment, this first cylindrical hole 113 is symmetrically arranged four; Symmetry center along these four the first cylindrical holes 113 is axially arranged with second cylindrical hole 114, and this second cylindrical hole 114 connects respectively the bottom of cylindricality deep gouge 112 and the bottom of cylindricality cavity 111;
This annular assembling stand 12 is circumferentially to extend to form from the edge, right side of base portion 11, its its right end face is provided with annular groove 121 along circumference, relative left end face has protruded out snap ring 122, wherein, this snap ring 122 be left end face edge along annular assembling stand 12 circumferentially extend to form and and base portion 11 between be formed with cavity;
These cover plate 13 couplings are installed in annular groove 121 ports of this annular assembling stand 12.
Inertia ring 3 is rounded ring bodies structure roughly, and its coupling is embedded at interior cover plate 13 sealings of also passing through shell 1 of annular groove 121 of the annular assembling stand 12 of shell 1; Wherein, this inertia ring 3 is also provided with roughly V-shaped groove 31 in the side joining with cover plate 13 along circumference, and these inertia ring 3 opposite end surfaces are all arranged with draw-in groove 32 along circumference.
The utility model structural design is simple, reasonable, each Standard is connected firmly, reliably, the shock-damping structure that especially adopts rubber and silicone oil to be composited, not only anti seismic efficiency is good, and can effectively meet the usage requirement of high power engine, be suitable for propagation and employment.
Claims (8)
1. a crank pulley assembly, comprises shell and outer belt wheel; Described shell comprises base portion and the annular assembling stand circumferentially extending from an end face edge of described base portion; Described annular assembling stand one side is provided with annular groove, and opposite side has protruded out snap ring relatively; Described outer belt wheel coupling is installed on described snap ring and circumferential surface is provided with belt grooves; It is characterized in that: between described outer belt wheel and described base portion, be folded with rubber layer;
Between described snap ring and described outer belt wheel, mate and be folded with buffer layer.
2. crank pulley assembly as claimed in claim 1, is characterized in that: the outer wall of described base portion is arranged with steel bushing; Described rubber layer is located between the outer wall of described steel bushing and the inwall of described outer belt wheel.
3. crank pulley assembly as claimed in claim 1, is characterized in that: an end face of described outer belt wheel is provided with annular die cavity along circumference, and relative other end is provided with annular deep gouge along circumference; The bottom of described annular die cavity is provided with a plurality of pilot holes along even circumferential.
4. crank pulley assembly as claimed in claim 1, is characterized in that: described snap ring is that the end face edge from described annular assembling stand circumferentially extends to form, and between itself and described base portion, is formed with cavity;
One end face of described base portion is provided with cylindricality cavity, and relative other end is provided with cylindricality deep gouge;
Bottom even circumferential along described cylindricality deep gouge is provided with a plurality of perforations to the first cylindrical hole of described cylindricality cavity bottom; Symmetry center along described a plurality of the first cylindrical holes is axially arranged with second cylindrical hole; Described the second cylindrical hole connects respectively the bottom of described cylindricality deep gouge and the bottom of described cylindricality cavity.
5. crank pulley assembly as claimed in claim 1, is characterized in that: the port match of described annular groove is equiped with cover plate.
6. the crank pulley assembly as described in as arbitrary in claim 1 to 5, is characterized in that: described assembly also comprises wearing layer, inertia ring, gasket ring and rim strip;
Described wearing layer coupling is located between described outer belt wheel and described snap ring; Described inertia ring coupling is embedded in described annular groove and by described covering palte seal, and its opposite end surface is all arranged with draw-in groove and along circumference, is provided with roughly V-shaped groove with the side that described cover plate joins along circumference; Described gasket ring coupling is located between described inertia ring and cover plate; Described rim strip coupling is located between described inertia ring and the inwall of described annular groove.
7. crank pulley assembly as claimed in claim 6, is characterized in that: an end face coupling of described gasket ring is embedded in described draw-in groove, and other end is connected with the groove bottom contact of described annular groove.
8. crank pulley assembly as claimed in claim 6, is characterized in that: described wearing layer coupling is sheathed on the outside of described snap ring;
Described buffer layer coupling is sheathed on described wearing layer and with the inwall contact of described outer belt wheel and is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320464441.8U CN203560394U (en) | 2013-08-01 | 2013-08-01 | Crankshaft pulley assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320464441.8U CN203560394U (en) | 2013-08-01 | 2013-08-01 | Crankshaft pulley assembly |
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CN203560394U true CN203560394U (en) | 2014-04-23 |
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CN201320464441.8U Expired - Fee Related CN203560394U (en) | 2013-08-01 | 2013-08-01 | Crankshaft pulley assembly |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104081920A (en) * | 2014-06-30 | 2014-10-08 | 泰州樱田农机制造有限公司 | Damping structure of fertilizer distributor |
CN106567885A (en) * | 2016-11-14 | 2017-04-19 | 无锡市乾泰金属构件厂 | High strength durable automobile crankshaft |
CN107387733A (en) * | 2017-09-13 | 2017-11-24 | 张家港保税区通勤精密机械有限公司 | A kind of crankshaft belt pulley for reversing damping |
CN107489747A (en) * | 2017-08-10 | 2017-12-19 | 安徽江淮汽车集团股份有限公司 | A kind of mounting structure of bent axle and crank pulley |
CN110985600A (en) * | 2019-12-10 | 2020-04-10 | 浙江义利汽车零部件有限公司 | Engine decoupler |
CN111120571A (en) * | 2018-11-01 | 2020-05-08 | 上海汽车集团股份有限公司 | Crankshaft vibration isolation and damping device |
DE102021106828A1 (en) | 2021-03-19 | 2022-09-22 | Schaeffler Technologies AG & Co. KG | Damping device with belt pulley decoupler and torsional vibration damper each designed as a preassembled unit |
-
2013
- 2013-08-01 CN CN201320464441.8U patent/CN203560394U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104081920A (en) * | 2014-06-30 | 2014-10-08 | 泰州樱田农机制造有限公司 | Damping structure of fertilizer distributor |
CN106567885A (en) * | 2016-11-14 | 2017-04-19 | 无锡市乾泰金属构件厂 | High strength durable automobile crankshaft |
CN107489747A (en) * | 2017-08-10 | 2017-12-19 | 安徽江淮汽车集团股份有限公司 | A kind of mounting structure of bent axle and crank pulley |
CN107387733A (en) * | 2017-09-13 | 2017-11-24 | 张家港保税区通勤精密机械有限公司 | A kind of crankshaft belt pulley for reversing damping |
CN111120571A (en) * | 2018-11-01 | 2020-05-08 | 上海汽车集团股份有限公司 | Crankshaft vibration isolation and damping device |
CN111120571B (en) * | 2018-11-01 | 2021-09-24 | 上海汽车集团股份有限公司 | Crankshaft vibration isolation and damping device |
CN110985600A (en) * | 2019-12-10 | 2020-04-10 | 浙江义利汽车零部件有限公司 | Engine decoupler |
CN110985600B (en) * | 2019-12-10 | 2021-04-16 | 浙江义利汽车零部件有限公司 | Engine decoupler |
DE102021106828A1 (en) | 2021-03-19 | 2022-09-22 | Schaeffler Technologies AG & Co. KG | Damping device with belt pulley decoupler and torsional vibration damper each designed as a preassembled unit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20180801 |