US3793718A - Apparatus for removing or inserting a piston in reciprocating engines - Google Patents

Apparatus for removing or inserting a piston in reciprocating engines Download PDF

Info

Publication number
US3793718A
US3793718A US00303310A US3793718DA US3793718A US 3793718 A US3793718 A US 3793718A US 00303310 A US00303310 A US 00303310A US 3793718D A US3793718D A US 3793718DA US 3793718 A US3793718 A US 3793718A
Authority
US
United States
Prior art keywords
piston
crankshaft
cylinder
center
lifting plate
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.)
Expired - Lifetime
Application number
US00303310A
Other languages
English (en)
Inventor
T Okazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Ships Machinery Dev Association
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Japan Ships Machinery Dev Association
Mitsui Engineering and Shipbuilding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan Ships Machinery Dev Association, Mitsui Engineering and Shipbuilding Co Ltd filed Critical Japan Ships Machinery Dev Association
Application granted granted Critical
Publication of US3793718A publication Critical patent/US3793718A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/042—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines
    • B23P19/043—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines for inserting piston-connecting rods assemblies in cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53904—Means comprising piston ring group contractor or holder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y10T29/53913—Aligner or center
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53978—Means to assemble or disassemble including means to relatively position plural work parts

Definitions

  • ABSTRACT A device to assist the mounting and dismounting of a piston through the crankshaft side of the cylinder of a reciprocating engine.
  • the device mounts upon the crankshaft and is adapted to receive the piston thereon.
  • the device includes means to center the piston so that it is axially aligned with the cylinder and to displace the piston radially of the crankshaft into and out of engagement with the cylinder.
  • the device may be removed from the crankshaft to permit connection of the usual connecting rod from the piston to the crankshaft.
  • the present invention relates to apparatus for removing or inserting a piston in reciprocating engine such as internal combustion engine.
  • an object of the present invention is to' overcome the above conventional drawbacks by an apparatus which enable to the piston to be removed from the side of the crankcase with a minimum of work and time.
  • the apparatus comprises means for lifting a piston separated from the connecting rod or a piston separated from the connecting rod near at the lower end of the piston remaining the small end and means for centering the piston to the center of the cylinder liner.
  • FIG. 1 is a perspective view of an apparatus in accordance with the present invention
  • FIG. 2 is a sectional side view showing a condition before insertion of piston
  • FIG. 3 is a sectional view taken along a line 3 3 of FIG. 2;
  • FIG. 4 is a sectional view taken along a line 4 4 of FIG. 2;
  • FIG. 5 is a sectional view showing a device for holding a piston in a cylinder-liner.
  • a pair of balance weights 11 are fixed to a crankshaft l0, and recesses 12 and 13 are formed in the opposite sides of the balance weights for receiving an apparatus according to the present invention.
  • the lifting apparatus according to the present invention is generally designated by a numeral 14 and consists of a supporting member 15 engageable with the recesses 12 and 13, a lifting plate 16 and a pair of centering devices 17 and 18.
  • the lifting plate 16 is engaged with a pair of feed screws 19 rotatably supported on the supporting member 15.
  • the feed screws are rotated by an oil motor 20 through a shaft 21 and bevel gears 22, 23, 22a and 23a to feed the lifting plate 16.
  • the centering devices 17 and 18 are connected to each other by oil cylinders 24 and 25 and also connected to the side wall portion of the supportingmember by oil cylinders 26 and 27.
  • the operation of insertion of a piston 28 will now be described.
  • the piston 28 is separated from the connecting rod near the piston and put on the lifting plate 16 at the outside of the engine.
  • This lifting apparatus 14 is inserted from the opening of the crankcase, and the supporting member 15 is received in the recesses 12 and 13 of the balance weights 11 as shown in FIGS. 2 and 3.
  • the crankshaft is rotated so as to align the center of the piston with the center of the cylinder liner 30.
  • the pressure oil cylinders 26, 27 are operated, the centering devices 17, 18 are-raised to press upper surfaces 31 to the under surface 32 of the cylinder liner 30.
  • the centering devices 17, 18 are contracted until the interior faces 33 thereof engage with the exterior surface 34 of the cylinder linerJAt this time, the interior faces of the centering devices 17, 18 contact with the circumference of the piston, thereby the center of the upper surface 35 of the piston and the center of the centering devices 17, 18 are alined with the center of the cylinder liner 30.
  • the oil motor 20 is operated so that two screws 19 are rotated through bevel gears 22, 22a, 23, 23a, thereby the lifting plate 16 is raised and the piston 28 is inserted into the cylinder liner 30.
  • a piston rod 43 of a oil cylinder 42 provided on a framework 41 as shown in FIG. 5 is inserted into holes provided in the cylinder liner 30 and piston 28 so that the piston 28 is held by the piston rod 43.
  • the lifting plate 16 is then lowered to separate the centering devices 17 18 from the cylinder liner, the crankshaft 10 is rotated to the suitable position, where the lifting apparatus 14 is removed from the balance weights and taken out of the engine.
  • the piston is thereafter connected to the connecting rod, and the piston rod 43 of oil cylinder 42 is retracted, thereby completing the piston inserting operation.
  • the operation for removing the piston is performed in the similar manner to theabove manner.
  • the piston 28 is held by the piston rod 43 thereafter the center of the centering devices 17, 18 is aligned with that of a cylinder liner 30, then supporting the piston by the lifting plate 16. Thereafter the piston rod 43 is released and lifting plate 16 is lowered, thereby the piston 28 is lowered.
  • An apparatus for removing or inserting a piston in reciprocating engines comprising a supporting member removably mounted on a crankshaft, a lifting plate pro vided on said supporting member mounted movably to be moved in the radial direction of the crankshaft, centering devices mounted on said supporting member for aligning the center of the piston on the lifting plate with the center. of a cylinder liner, a drive mechanism for moving the lifting plate, means for operating the cen-

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automatic Assembly (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
US00303310A 1971-11-08 1972-11-03 Apparatus for removing or inserting a piston in reciprocating engines Expired - Lifetime US3793718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46088826A JPS511880B2 (xx) 1971-11-08 1971-11-08

Publications (1)

Publication Number Publication Date
US3793718A true US3793718A (en) 1974-02-26

Family

ID=13953724

Family Applications (1)

Application Number Title Priority Date Filing Date
US00303310A Expired - Lifetime US3793718A (en) 1971-11-08 1972-11-03 Apparatus for removing or inserting a piston in reciprocating engines

Country Status (8)

Country Link
US (1) US3793718A (xx)
JP (1) JPS511880B2 (xx)
CH (1) CH545411A (xx)
DK (1) DK131369B (xx)
FR (1) FR2160108A5 (xx)
GB (1) GB1406472A (xx)
IT (1) IT970283B (xx)
SE (1) SE387882B (xx)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671302A1 (fr) * 1991-01-08 1992-07-10 Renault Automation Dispositif d'insertion d'une piece cylindrique dans un orifice sans chanfrein, et procede d'insertion mis en óoeuvre par un tel dispositif.
EP0681863A2 (en) * 1994-05-10 1995-11-15 Collagen Corporation Apparatus and method of mixing materials in a sterile environment
FR2784043A1 (fr) * 1998-10-02 2000-04-07 Renault Procede et dispositif d'emmanchement d'un ensemble bielle-axe-piston dans un carter cylindre
US6122811A (en) * 1998-12-22 2000-09-26 Shirley; Samuel C. Drive train support tool
WO2001023147A1 (en) * 1999-09-30 2001-04-05 Gunnar Colliander Guiding device for mounting and dismounting a piston in a crosshead engine
FR2803552A1 (fr) * 2000-01-06 2001-07-13 Renault Automation Comau Dispositif de prehension d'un piston segmente pour son insertion dans un bloc-cylindres de moteur dispositif et poste d'insertion correspondants
US6516511B1 (en) * 2000-06-29 2003-02-11 Caterpillar Inc Position sensor for piston ring compressor
US20030217459A1 (en) * 2002-05-21 2003-11-27 Kiyeon Kim Apparatus for assembling piston in swash plate type compressor
US20040194296A1 (en) * 2000-03-15 2004-10-07 Kazuhiro Kosuge Automatic piston inserting equipment using a vision system
CN106695665A (zh) * 2017-03-31 2017-05-24 安徽江淮纳威司达柴油发动机有限公司 一种发动机活塞装配辅具
CN111113019A (zh) * 2018-11-01 2020-05-08 张家港华仁再生资源有限公司 一种发动机拆解工艺
CN111843891A (zh) * 2020-07-13 2020-10-30 中船动力研究院有限公司 一种连杆大端的固定工具及应用该工具的固定方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855833B (zh) * 2016-05-31 2019-10-25 陕西柴油机重工有限公司 一种机身正置曲轴装配方法及装置
CN110064914B (zh) * 2019-05-05 2021-05-28 重庆工业职业技术学院 一种筒体和组合盖机械装配控制系统及其装配方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE261757C (xx) *
US1521383A (en) * 1921-03-24 1924-12-30 Maas Elov Fjetterstrom Mounting fixture or device
US1572135A (en) * 1923-12-12 1926-02-09 George F Taft Piston-ring compressor
US2421276A (en) * 1945-07-26 1947-05-27 Lotz Ind Res Ct Tool for inserting cylinder liners

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE261757C (xx) *
US1521383A (en) * 1921-03-24 1924-12-30 Maas Elov Fjetterstrom Mounting fixture or device
US1572135A (en) * 1923-12-12 1926-02-09 George F Taft Piston-ring compressor
US2421276A (en) * 1945-07-26 1947-05-27 Lotz Ind Res Ct Tool for inserting cylinder liners

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671302A1 (fr) * 1991-01-08 1992-07-10 Renault Automation Dispositif d'insertion d'une piece cylindrique dans un orifice sans chanfrein, et procede d'insertion mis en óoeuvre par un tel dispositif.
EP0681863A2 (en) * 1994-05-10 1995-11-15 Collagen Corporation Apparatus and method of mixing materials in a sterile environment
EP0681863A3 (en) * 1994-05-10 1996-02-21 Collagen Corp Apparatus and method for mixing materials in a core-free environment.
US5823671A (en) * 1994-05-10 1998-10-20 Collagen Corporation Apparatus and method of mixing materials in a sterile environment
US6687993B1 (en) 1998-10-02 2004-02-10 Renault Method for fitting a cylinder assembly into a cylinder housing
FR2784043A1 (fr) * 1998-10-02 2000-04-07 Renault Procede et dispositif d'emmanchement d'un ensemble bielle-axe-piston dans un carter cylindre
WO2000020163A1 (fr) * 1998-10-02 2000-04-13 Renault Procede et dispositif d'emmanchement d'un ensemble bielle-axe-piston dans un carter cylindre
US6122811A (en) * 1998-12-22 2000-09-26 Shirley; Samuel C. Drive train support tool
WO2001023147A1 (en) * 1999-09-30 2001-04-05 Gunnar Colliander Guiding device for mounting and dismounting a piston in a crosshead engine
FR2803552A1 (fr) * 2000-01-06 2001-07-13 Renault Automation Comau Dispositif de prehension d'un piston segmente pour son insertion dans un bloc-cylindres de moteur dispositif et poste d'insertion correspondants
US6941645B2 (en) * 2000-03-15 2005-09-13 Kazuhiro Kosuge Automatic piston inserting equipment using a vision system
US20040194296A1 (en) * 2000-03-15 2004-10-07 Kazuhiro Kosuge Automatic piston inserting equipment using a vision system
US20050193552A9 (en) * 2000-03-15 2005-09-08 Kazuhiro Kosuge Automatic piston inserting equipment using a vision system
US6516511B1 (en) * 2000-06-29 2003-02-11 Caterpillar Inc Position sensor for piston ring compressor
US20030217459A1 (en) * 2002-05-21 2003-11-27 Kiyeon Kim Apparatus for assembling piston in swash plate type compressor
US6871393B2 (en) * 2002-05-21 2005-03-29 Halla Climate Control Corporation Apparatus for assembling piston in swash plate type compressor
CN106695665A (zh) * 2017-03-31 2017-05-24 安徽江淮纳威司达柴油发动机有限公司 一种发动机活塞装配辅具
CN111113019A (zh) * 2018-11-01 2020-05-08 张家港华仁再生资源有限公司 一种发动机拆解工艺
CN111843891A (zh) * 2020-07-13 2020-10-30 中船动力研究院有限公司 一种连杆大端的固定工具及应用该工具的固定方法
CN111843891B (zh) * 2020-07-13 2022-02-18 中船动力研究院有限公司 一种连杆大端的固定工具及应用该工具的固定方法

Also Published As

Publication number Publication date
DK131369C (xx) 1975-12-01
CH545411A (de) 1973-12-15
JPS4853400A (xx) 1973-07-26
GB1406472A (en) 1975-09-17
IT970283B (it) 1974-04-10
DK131369B (da) 1975-07-07
DE2254442B2 (de) 1975-08-21
FR2160108A5 (xx) 1973-06-22
DE2254442A1 (de) 1973-05-17
JPS511880B2 (xx) 1976-01-21
SE387882B (sv) 1976-09-20

Similar Documents

Publication Publication Date Title
US3793718A (en) Apparatus for removing or inserting a piston in reciprocating engines
CN104723239B (zh) 涡轮增压器涡轮箱体精基准加工工艺及夹具
CN203556901U (zh) 新型薄膜卡盘
CN217981757U (zh) 一种电机对拖试验台
CN103323249A (zh) 新型集装箱式全自动对接发动机快装试验台
US4485542A (en) Seal placement and removal press for rotating machinery
CN110722384A (zh) 新能源汽车电机壳体基准面加工用夹具
CN203298993U (zh) 新型集装箱式全自动对接发动机快装试验台
US3549275A (en) Ship's propeller securing and jacking means
CN212397322U (zh) 装夹旋转式自动检漏机
CN204248413U (zh) 一种缸套外圆螺纹自动加工生产线
CN210060537U (zh) 一种通用型电机外壳翻转装置
CN211540381U (zh) 一种用于涡轮壳工装防装夹倾斜的夹紧装置
US3786796A (en) Method and apparatus for taking out piston in trunk piston engine
US5522536A (en) Apparatus and method for mounting machinery
US3458101A (en) Flywheel storage means for inertial bonding machines
KR20010027773A (ko) 엔진 크랭크축의 오일공 버 제거 장치
CA1214057A (en) Method and apparatus for machining bores
CN2230351Y (zh) 全液压拆柱机
CN104400443B (zh) 一种缸套外圆螺纹自动加工生产线
CN1055985A (zh) 滚动轴承尾轴尾管装置
CN218137552U (zh) 一种转运钢管穿孔顶头成品的固定工装台
US2876532A (en) Hydraulic forcing device
CN220762385U (zh) 用于飞轮壳加工生产的夹具工装
CN210414373U (zh) 一种曲轴的盒式油封安装装置