EP2454459B1 - Kurbeltrieb - Google Patents

Kurbeltrieb Download PDF

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Publication number
EP2454459B1
EP2454459B1 EP10705391.0A EP10705391A EP2454459B1 EP 2454459 B1 EP2454459 B1 EP 2454459B1 EP 10705391 A EP10705391 A EP 10705391A EP 2454459 B1 EP2454459 B1 EP 2454459B1
Authority
EP
European Patent Office
Prior art keywords
rocker arm
crank
cylinder
piston
rocker
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
Application number
EP10705391.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2454459A1 (de
Inventor
Konrad Heimanns
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Individual
Original Assignee
Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to PL10705391T priority Critical patent/PL2454459T3/pl
Publication of EP2454459A1 publication Critical patent/EP2454459A1/de
Application granted granted Critical
Publication of EP2454459B1 publication Critical patent/EP2454459B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/04—Engines with prolonged expansion in main cylinders

Definitions

  • the present application relates to a crank mechanism. It comprises a frame, which may be formed in particular by a housing, and a stationary mounted on the frame rocker. Furthermore, the crank mechanism has a crank which forms the output and is fixedly mounted on the frame. A coupling connects the swingarm and the crank. The coupling is for this purpose in each case articulated to the crank and with an opposite end for stationary storage of the rocker.
  • crank mechanisms are used to convert a linear reciprocating motion into a circular motion.
  • a dead-point double crankshaft drive with two wings, which are each connected via a coupling knee-joint with a crankshaft.
  • the persons actuating the double-crank drive apply pressure and tension to the wings via hands or feet.
  • the resulting reciprocating motion of the rockers is converted via a coupling connecting the rocker with the crankshaft in a rotating movement of the crankshaft.
  • crank mechanism Disadvantage of this crank mechanism are in particular the formation of the wings as a long lever, which are needed for the translation of the force exerted on the output shaft.
  • the long levers lead to a big one Space requirement of the crank mechanism shown and prevent a compact design.
  • the linkage consists of a hinged to the piston first connecting rod, a hinged to the crankshaft second connecting rod and a pivotally connecting the first and second connecting rod pivoting lever.
  • the crankshaft connected to the second connecting rod is dextrorotatory.
  • FR977781 discloses an internal combustion engine with a crank mechanism comprising a piston, two connecting rods and a rocker.
  • the object of the present application is to propose a simply constructed crank mechanism, which opens up new possibilities of use due to its compact design.
  • a first cylinder is provided with a displaceably mounted piston, and that the piston and the rocker are pivotally connected to each other via a push rod, so that the axial movement of the piston, the rocker in a hin- and herschwingende motion offset.
  • a main advantage of the solution according to the invention is that strong forces can be built up in a cylinder operated with a pressure medium, despite its compact design.
  • the printing cylinder may be flat, so that the crank mechanism according to the invention requires a particularly low overall height.
  • the pressure cylinder allows the formation of the rocker as a short lever arm. By virtue of the force exerted on the rocker by the piston of the cylinder, a small lever is used to generate a large moment enough for the crank.
  • consisting of the rocker and the coupling knee-joint transmission amplifies the torque applied to the crank. With an increasingly extended alignment of rocker and coupling a strong rising moment is transmitted to the crank.
  • crank mechanism In this structurally particularly simple manner, despite the compact dimensions of the crank mechanism, a high torque available on the crank is generated.
  • Another advantage of the crank mechanism according to the invention is the easy control of the printing cylinder.
  • the cylinder can also be operated between the end points of its linearly oscillating axial movement at different speeds and so optimally adjusted to the different angular positions of the knee-joint-like transmission and the resulting rotation of the crank.
  • crank mechanism according to the invention therefore forms a motor that offers a wide range of applications with its compact and particularly particularly flat design.
  • the rocker comprises one of the fixed bearing of the rocker end facing away from the coupling is bent at a fixed angle. By this bend, the longitudinal axis of the rocker and the longitudinal axis of their remote from the stationary mounting of the rocker portion is aligned obliquely to each other.
  • the rocker and her coupled to the coupling portion are integrally formed.
  • crank mechanism in which a particularly high torque is transmitted, can be precisely determined.
  • the lifting axis of the first cylinder is aligned at an angle obliquely to a plane perpendicular to the rocker plane.
  • the sharper the angle is selected the more the axial width of the crank mechanism decreases.
  • the pressure-driven motor according to the invention can be made even more compact in this way.
  • the articulation of the tie rod according to the invention at the point of articulation of the rocker allows a reduction of the axial width of the crank drive position of the cylinder with low lateral forces on the piston taking advantage of the maximum possible leverage on the rocker for this arrangement of the cylinder.
  • rocker is pivotally connected to a second piston contained in a second cylinder, wherein the second cylinder is arranged on a side opposite the first cylinder side of the rocker.
  • the torque acting on the crank can be further enhanced without significantly increasing the space requirement of the crank mechanism.
  • the designation of the cylinder selected in this application as first and second cylinder is not bound to any particular function and can be interchanged.
  • the push rods are articulated to a respective transversely arranged to the rocker extension of the rocker.
  • a reduction in the cross section of the rocker is counteracted in the region of the articulation points of the push rods and prevents weakening of the rocker.
  • the first and the second cylinder along the longitudinal axis of the rocker offset from each other, wherein the stroke of the piston of the closer to the swing axis of the rocker cylinder is smaller than the stroke of the piston of the other cylinder.
  • each individual cylinder can be positioned so that the transverse force acting on its piston is minimized.
  • the dead center of the crank is exceeded in the upper inflection point of the axial movement of the piston. This can be transmitted directly by the incipient axial movement of the piston, an increased torque.
  • the cylinder is part of an internal combustion engine. Piston and cylinder thus form a combustion chamber in which an air-fuel mixture is made to ignite.
  • the piston of the internal combustion engine is driven by the pressure generated with the combustion of the air-fuel mixture in the direction of its bottom dead center. With the increasing volume of the combustion chamber, the pressure in the combustion chamber is reduced. At the same time the movement of the piston changes the angle of the toggle lever and thus its power transmission.
  • FIG. 1 shows an embodiment of the crank mechanism according to the invention with a drive of the crank by means of a cylinder.
  • crank mechanism comprises a rocker 1, which is fixedly mounted at its one end via a swing axle 2 to a frame, not shown.
  • the output of the crank mechanism via a crank 3, which is also mounted with its axis 4 fixed to the frame.
  • the flywheel axis 2 and the axle 4 are aligned parallel to each other.
  • a coupling 5 is connected via a hinge 6 with a longitudinal axis 7 of the rocker 1 angled section 8.
  • the angled portion 8 is inclined in relation to the longitudinal axis 7 of the rocker 1 in a fixed angle to the coupling 5 and is preferably made in one piece with the rocker 1.
  • an angle a changing with the rotational movement of the crank 3 forms between a longitudinal axis 9 of the coupling 8 which is angled towards the coupling 5 and a longitudinal axis 10 of the coupling 5.
  • the angle a runs during the rotation of the crank 3 blunt than that between the extended longitudinal axis 7 of the rocker 1 and the longitudinal axis 10 of the coupling fifth existing angles.
  • the angle between the longitudinal axis 7 of the rocker 1 and the longitudinal axis 10 of the coupling 5 allows the angle between the longitudinal axis 7 of the rocker 1 and the longitudinal axis 10 of the coupling 5 to shorten the distance between the stationary mounting of the rocker 1 on the swing axle 2 and the stationary mounting of the crank 3 on the axis 4.
  • the angle of the fixed angle is selected according to the desired power ratio in the toggle and / or the desired shortening of the design. In the embodiment, it is about 15 degrees.
  • a fillable with a pressure medium cylinder 12 is provided, the piston 13 is articulated via a push rod 14 to the rocker 1.
  • a hinge 15 between push rod 14 and rocker 1 is located in the break point between the rocker 1 and its angled portion 8.
  • the stroke axis 16 of the cylinder 12 is aligned at fully retracted piston 13 obliquely to a plane perpendicular to the rocker 1 level.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
EP10705391.0A 2009-07-14 2010-02-26 Kurbeltrieb Active EP2454459B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10705391T PL2454459T3 (pl) 2009-07-14 2010-02-26 Mechanizm korbowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009033249A DE102009033249B3 (de) 2009-07-14 2009-07-14 Kurbeltrieb
PCT/EP2010/052479 WO2011006683A1 (de) 2009-07-14 2010-02-26 Kurbeltrieb

Publications (2)

Publication Number Publication Date
EP2454459A1 EP2454459A1 (de) 2012-05-23
EP2454459B1 true EP2454459B1 (de) 2019-04-03

Family

ID=42107525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10705391.0A Active EP2454459B1 (de) 2009-07-14 2010-02-26 Kurbeltrieb

Country Status (10)

Country Link
US (1) US9464570B2 (ko)
EP (1) EP2454459B1 (ko)
JP (1) JP5716253B2 (ko)
KR (1) KR20120053500A (ko)
CN (1) CN102472164A (ko)
BR (1) BR112012001066A2 (ko)
DE (1) DE102009033249B3 (ko)
PL (1) PL2454459T3 (ko)
RU (1) RU2535590C2 (ko)
WO (1) WO2011006683A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201212449D0 (en) * 2012-07-12 2012-08-29 Milladale Ltd Compound engine
CN103268779A (zh) * 2013-04-28 2013-08-28 江苏达胜加速器制造有限公司 一种辐照产品的保护装置
EP2999851B1 (en) * 2013-05-20 2018-05-02 Humphries, Thomas Steve Variable geometry power transfer for fluid flow machines
TWI571332B (zh) * 2013-12-02 2017-02-21 Metal Ind Research&Development Centre Connecting rod type sheet feeding device and feeding method thereof
US9194468B1 (en) * 2014-09-30 2015-11-24 Peter Fan Slider-crank mechanism with L-shaped connecting rod
RU2609848C2 (ru) * 2015-11-09 2017-02-06 Виктор Иванович Богданов Симметричный кривошипно-ползунный механизм богданова
RU2609844C2 (ru) * 2015-11-30 2017-02-06 Виктор Иванович Богданов Кривошипно-ползунный механизм богданова со звеном, движущимся прямолинейно-поступательно
RU2609843C2 (ru) * 2015-11-30 2017-02-06 Виктор Иванович Богданов Кривошипно-ползунный механизм богданова со звеном, движущимся прямолинейно-поступательно
RU2609845C2 (ru) * 2015-11-30 2017-02-06 Виктор Иванович Богданов Кривошипно-ползунный механизм богданова со звеном, движущимся прямолинейно-поступательно
CN105508530B (zh) * 2016-02-01 2018-07-13 广东力丰机械制造有限公司 一种无级变速传动机构
CN107687507A (zh) * 2017-09-06 2018-02-13 长沙明道信息科技有限公司 一种儿童座椅用曲柄滑块机构的摇杆
CN107687506A (zh) * 2017-09-06 2018-02-13 长沙明道信息科技有限公司 一种儿童座椅用曲柄滑块机构的摇杆
HRP20201924A1 (hr) * 2020-12-02 2022-06-10 Ivan ŠKULIĆ Novi sistem pretvorbe linearnog kretanja klipa u rotaciono kretanje koljenastog vratila posredstvom polužnog mehanizma
CN113294660B (zh) * 2021-05-18 2022-11-04 常德富博智能科技有限公司 一种便携式的结构光三维测量设备

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FR977781A (fr) * 1942-11-10 1951-04-05 Dispositif de transmission par bielle et manivelle pour moteurs à combustion interne
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RU2351784C2 (ru) * 2007-05-03 2009-04-10 Владимир Александрович Ворогушин Шатунно-коромысловый механизм в.а. ворогушина

Also Published As

Publication number Publication date
CN102472164A (zh) 2012-05-23
US20120180752A1 (en) 2012-07-19
WO2011006683A1 (de) 2011-01-20
BR112012001066A2 (pt) 2016-03-29
RU2012104401A (ru) 2013-08-20
EP2454459A1 (de) 2012-05-23
JP5716253B2 (ja) 2015-05-13
PL2454459T3 (pl) 2019-12-31
JP2012533023A (ja) 2012-12-20
RU2535590C2 (ru) 2014-12-20
KR20120053500A (ko) 2012-05-25
DE102009033249B3 (de) 2011-01-20
US9464570B2 (en) 2016-10-11

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