CN104589273A - Piston ring opening-up device - Google Patents

Piston ring opening-up device Download PDF

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Publication number
CN104589273A
CN104589273A CN201510075587.7A CN201510075587A CN104589273A CN 104589273 A CN104589273 A CN 104589273A CN 201510075587 A CN201510075587 A CN 201510075587A CN 104589273 A CN104589273 A CN 104589273A
Authority
CN
China
Prior art keywords
push pedal
piston ring
opening apparatus
annular groove
slide block
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.)
Granted
Application number
CN201510075587.7A
Other languages
Chinese (zh)
Other versions
CN104589273B (en
Inventor
吴培柱
莫启兴
杨先恺
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.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery 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 Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201510075587.7A priority Critical patent/CN104589273B/en
Publication of CN104589273A publication Critical patent/CN104589273A/en
Application granted granted Critical
Publication of CN104589273B publication Critical patent/CN104589273B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/12—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same mounting or demounting piston rings
    • 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
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention discloses a piston ring opening-up device which comprises a semi-circle ring, a support, a push plate, a sliding block, a pressing plate and a cylinder, wherein an internal ring groove, an external ring groove and a radial hole are formed in the semi-circle ring; the radial hole penetrates through the internal ring groove and the external ring groove; the push plate is slidably mounted in the external ring groove; a hook penetrating the radial hole is arranged on the push plate; cylindrical through holes are formed in the support; pins inserted into the support are arranged on the support; the sliding block is slidably mounted in the cylindrical hole; key grooves are formed in the upper end and the lower end of the sliding block and are matched with the pins to limit the sliding block circumferentially; angular buttons are arranged on the left end and the right end of the sliding block and are used for splitting or being separated from the push plate; screw holes and steps are arranged in the pressing plate; the pressing plate is fixed on two end surfaces of the semi-circle ring by the screw holes and the steps; the cylinder is mounted to be parallel to the semi-circle ring; a piston rod of the cylinder is connected with the sliding block. The piston ring opening-up device is more compact in structure, easier to manufacture and more convenient to operate.

Description

Piston ring expanding opening apparatus
Technical field
The present invention relates to engine art, particularly a kind of piston ring expanding sets.
Background technology
Piston ring expanding opening apparatus is the usual means of engine piston ring assembling, usually adopts frustum axial slip spreading, hinged jaw type spreading, gib head translation spreading or swings spreading.But they otherwise be manual operation, or be complex structure.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of piston ring expanding to set, thus overcome the above-mentioned shortcoming of prior art.
For achieving the above object, the invention provides a kind of piston ring expanding opening apparatus, comprising: semicircular ring, this semicircular ring is provided with inner circumferential annular groove, periphery annular groove and radial hole, and inner circumferential annular groove is for placing piston, and radial hole runs through inner circumferential annular groove and periphery annular groove; Push pedal, it is slidably mounted in the annular groove of periphery, and this push pedal is provided with the gib head through radial hole; Support, semicircular ring is rack-mount, and this support is provided with through cylindrical hole and is inserted into the pin of this internal stent; Slide block, is slidably mounted in cylindrical hole, and the two ends up and down of slide block are provided with keyway, this keyway and bayonet fittings spacing to carry out circumference to slide block, two ends, slide block left and right are provided with dihedral key, and dihedral key is used for riving or departing from push pedal; Pressing plate is provided with screw and step, and this pressing plate is fixed on two end faces of semicircular ring by screw and step; And the cylinder of installation parallel with semicircular ring, the piston rod of this cylinder is connected with slide block.
Preferably, in technique scheme, support also has the arc groove matched with described semicircular ring, and semicircular ring is arranged on this arc groove, and this arc groove and cylindrical hole cut to form window mutually.
Preferably, in technique scheme, the quantity of push pedal is two, is symmetrically arranged in the annular groove of periphery.
Preferably, in technique scheme, push pedal is also provided with chamfering, and the joint close of the just right two panels chamfering of window can be passed through in the tip of dihedral key.
Preferably, in technique scheme, push pedal and pressing plate are all also provided with blind hole, between the blind hole of push pedal and the blind hole of pressing plate, are provided with spring.
Preferably, in technique scheme, slide block is cross.
Compared with prior art, piston ring expanding of the present invention sets, and utilizes the telescopic action of cylinder piston rod, and the dihedral key of band movable slider is rived or departs from push pedal, and push pedal swings the spreading action forming gib head, and spring forms the revert action of gib head.Its structure is compacter compared to design in the past, also more simple in manufacture, and operation is upper more convenient.
Accompanying drawing explanation
Fig. 1 a is the stereogram of the piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 1 b is the top view of the piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 1 c is the front view of the piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 1 d is the left view of the piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 2 a is the stereogram of the semicircular ring of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 2 b is the top view of the semicircular ring of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 3 a is the stereogram of the push pedal of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 3 b is the sectional view of the push pedal of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 4 a is the stereogram of the slide block of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 4 b is the front view of the slide block of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 5 a is the stereogram of the support of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 5 b is the sectional view of the support of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 6 is the stereogram of the pressing plate of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 7 is the stereogram of the pin of piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 8 is the three-dimensional exploded view of the piston ring expanding opening apparatus according to embodiment of the present invention.
Fig. 9 is the another three-dimensional exploded view of the piston ring expanding opening apparatus according to embodiment of the present invention.
Main Reference Numerals illustrates:
1-semicircular ring, 11-inner circumferential annular groove, 12-radial hole, 13-shoulder, 14-periphery annular groove, 15-axial groove, 16-screw, 2-push pedal, periphery bulge loop in 21-, 22-gib head, 23-blind hole, 24-chamfering, 3-slide block, 31-outer peripheral face, 32-dihedral key, 33-keyway, 34-screw, 4-pressing plate, 41-screw, 42-step, 43-blind hole, 5-support, 51-cylindrical hole, 52-arc groove, 53-convex edge, 54-window, 6-pin, 7-cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
The stereogram of the piston ring expanding opening apparatus according to embodiment of the present invention as shown in Fig. 1 a to Fig. 1 d, top view, front view and left view, the concrete structure according to the piston ring expanding opening apparatus of the specific embodiment of the invention comprises: the compositions such as semicircular ring 1, push pedal 2, slide block 3, pressing plate 4, support 5, pin 6, cylinder 7 and spring.Semicircular ring 1 is installed on the upper of support 5, thus sandwiched forms the sliding rail of push pedal 2, cylinder 7 installation parallel with semicircular ring 1.
Please further refer to Fig. 2 a, Fig. 2 b, it is respectively stereogram and the top view of the semicircular ring of the piston ring expanding opening apparatus according to embodiment of the present invention.As shown in the figure, semicircular ring 1 is provided with inner circumferential annular groove 11, radial hole 12, shoulder 13, periphery annular groove 14, axial groove 15 and screw 16.Inner circumferential annular groove 11 is for placing piston, and wherein the setting of inner circumferential annular groove 11 and shoulder 13 is mated with piston specification to be installed, and it is not limited to shown in this figure, and radial hole 12 runs through inner circumferential annular groove 11 and periphery annular groove 14.
Please further refer to Fig. 3 a, Fig. 3 b, it is respectively stereogram and the sectional view of the push pedal of the piston ring expanding opening apparatus according to embodiment of the present invention.As shown in the figure, push pedal 2 is curved, is provided with interior periphery bulge loop 21, gib head 22, blind hole 23 and chamfering 24, and this push pedal 2 is slidably mounted in above-mentioned periphery annular groove 14, and in relying on, periphery bulge loop 21 contacts centering swing.Wherein gib head 22 top is provided with fin, and this gib head and push pedal 2 are formed in one and arrange, and this gib head 22 runs through above-mentioned radial hole 12, and blind hole 23 is for one end of mounting spring.The quantity of push pedal 2 is two, and for mirror image is arranged, and this push pedal 2 amplitude of fluctuation retrains by radial hole 12.
Please further refer to Fig. 4 a, Fig. 4 b, it is respectively stereogram and the front view of the slide block of the piston ring expanding opening apparatus according to embodiment of the present invention.As shown in the figure, slide block 3 is in cross, and it is slidably mounted in cylindrical hole 51, and slide block 3 is provided with outer peripheral face 31, dihedral key 32, keyway 33 and screw 34.The two ends up and down of slide block 3 are located at by keyway 33, during use, keyway 33 coordinate with pin 6 realize circumference spacing; Dihedral key 32 is located at the two ends, left and right of slide block 3, for riving or departing from push pedal 2.Please also refer to Fig. 1 a to Fig. 1 d, during use, the piston rod of the cylinder 7 of installation parallel with semicircular ring 1 is connected with the screw 34 of slide block 3, by means of the telescopic action of the piston rod of cylinder 7, thus can rive with the tip of the dihedral key 32 of movable slider 3 or depart from push pedal 2, push pedal 2 swings the spreading action forming gib head 22, and spring forms the revert action of gib head 22.
Please further refer to Fig. 5 a, Fig. 5 b, it is respectively stereogram and the sectional view of the support of the piston ring expanding opening apparatus according to embodiment of the present invention.As shown in the figure, support 5 is in rectangular structure, and support 5 is provided with through cylindrical hole 51, arc groove 52 and some screws, and wherein arc groove 52 matches with semicircular ring 1 and designs, and its two ends are provided with convex edge 53, and arc groove 52 and cylindrical hole 51 cut to form window 54 mutually.The joint close of the chamfering 24 of the just right two panels push pedal 2 of window 54 can be passed through in the tip of dihedral key 32.Semicircular ring 1 is arranged on this support 5, fastening by pin 6, convex edge 53.Please also refer to 1a to Fig. 1 d, and Fig. 7, wherein Fig. 7 is the stereogram of the pin of piston ring expanding opening apparatus according to embodiment of the present invention.The sliding annular slide track being assigned in periphery annular groove 14 and being formed with arc groove 52 of push pedal 2, in relying on, periphery bulge loop 21 contact centering swings, and wherein gib head 22 runs through radial hole 12, and push pedal 2 amplitude of fluctuation retrains by radial hole 12.The sliding cylindrical hole 51 being assigned in support 5 of slide block 3, relies on pin 6 to realize circumference spacing.
Please further refer to Fig. 6, it is the stereogram of the pressing plate of piston ring expanding opening apparatus according to embodiment of the present invention.As shown in the figure, pressing plate 4 has screw 41, step 42, blind hole 43.Pressing plate 4 is fastened on two end faces of semicircular ring 1 by screw 41 and step 42, realizes spacing fastening by screw 16 and step 42, and wherein blind hole 43 is respectively both ends of the spring installing hole with the blind hole 23 of push pedal 2, and described spring forms the revert action of described push pedal.
Please further refer to Fig. 8, Fig. 9, it is the three-dimensional exploded view of the piston ring expanding opening apparatus according to embodiment of the present invention.In installing and using, first place support 5, make arc groove 52 upward; Then sliding for the push pedal 2 periphery annular groove 14 being fitted on semicircular ring 1, and make gib head 22 run through radial hole 12, two panels mirror image is installed, and presses on arc groove 52 together, convex edge 53 spacing and by the through hole of convex edge 53 and screw 16 fastening.So far periphery annular groove 14 and arc groove 52 are encircled into the slideway of push pedal 2, check whether push pedal 2 slides flexibly.Then the screw 34 of slide block 3 is connected to the piston rod of cylinder 7, push push pedal 2 aside by hand, slide block 3 and tailpiece of the piston rod are installed to the cylindrical hole 51 of support 5 together, fastening cylinder 7 mounting flange screw, from cylindrical hole 51 other end or radial hole 12 check and dihedral key 32 spike adjusting slide block 3 just to chamfering 24 joint close of two panels push pedal 2, connect source of the gas, control reversal valve, check slide block 3 stroke and gib head 22 spreading stroke whether suitable, if improper, screw the relative position of slide block 3 and piston rod, if suitable, be screwed into pin 6 from side face, pin 6 head and keyway 33 are slided join.Finally install pressing plate 4, step 42 and periphery annular groove 14 side are fastened, and make Compress Spring one end be pressed together on blind hole 43, the other end is pressed together on blind hole 23, injects lubricating oil in moving part.
Because cylinder 7 and semicircular ring 1 axis being parallel are installed, the dihedral key 32 of the telescopic band movable slider 3 of cylinder 7 piston rod is rived or departs from push pedal 2 simultaneously, and push pedal 2 swings the spreading action forming gib head 22, and spring forms the revert action of gib head 22.During use, be placed on inner circumferential annular groove 11 corresponding for each road piston ring, Open Side Down and make opening cross over gib head 22, and gib head 22 spreading drives gap-clearance of piston rings to swell, and realizes piston ring internal diameter and becomes large; Now piston is positioned over semicircular ring inner peripheral surface, piston crown passes through each road piston ring successively, after head is against shoulder 13, allows gib head 22 return, piston ring shrink and enters piston ring groove, realize piston ring assembling.The compact conformation of this device, manufactures simple, easy to operate.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.

Claims (6)

1. a piston ring expanding opening apparatus, is characterized in that, described piston ring expanding opening apparatus comprises:
Semicircular ring, described semicircular ring is provided with inner circumferential annular groove, periphery annular groove and radial hole, and described inner circumferential annular groove is for placing piston, and described radial hole runs through described inner circumferential annular groove and described periphery annular groove;
Push pedal, it is slidably mounted in the annular groove of described periphery, and described push pedal is provided with gib head, and described gib head is through described radial hole;
Support, described semicircular ring is installed on the bracket, and described support is provided with through cylindrical hole, and described support is provided with the pin being inserted into this internal stent;
Slide block, it is slidably mounted in described cylindrical hole, and the two ends up and down of described slide block are provided with keyway, described keyway and described bayonet fittings spacing to carry out circumference to described slide block, two ends, described slide block left and right are provided with dihedral key, and described dihedral key is used for riving or depart from described push pedal;
Pressing plate, it is provided with screw and step, and described pressing plate is fixed on two end faces of described semicircular ring by described screw and described step; And
Cylinder, its installation parallel with described semicircular ring, the piston rod of described cylinder is connected with described slide block.
2. piston ring expanding opening apparatus according to claim 1, is characterized in that, described support is also provided with the arc groove matched with described semicircular ring, and described semicircular ring is arranged on this arc groove, and this arc groove and described cylindrical hole cut to form window mutually.
3. piston ring expanding opening apparatus according to claim 2, is characterized in that, the quantity of described push pedal is two, is symmetrically arranged in the annular groove of described periphery.
4. piston ring expanding opening apparatus according to claim 3, is characterized in that, described push pedal is also provided with chamfering, and the joint close of chamfering described in the just right two panels of described window can be passed through in the tip of described dihedral key.
5. piston ring expanding opening apparatus according to claim 1, is characterized in that, described push pedal and described pressing plate are all also provided with blind hole, is provided with spring between the described blind hole of described push pedal and the described blind hole of described pressing plate.
6. piston ring expanding opening apparatus according to claim 1, is characterized in that, described slide block is cross.
CN201510075587.7A 2015-02-12 2015-02-12 Piston ring expanding opening apparatus Active CN104589273B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510075587.7A CN104589273B (en) 2015-02-12 2015-02-12 Piston ring expanding opening apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510075587.7A CN104589273B (en) 2015-02-12 2015-02-12 Piston ring expanding opening apparatus

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CN104589273B CN104589273B (en) 2016-06-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175620A (en) * 2017-06-08 2017-09-19 安徽江淮纳威司达柴油发动机有限公司 A kind of piston ring installs accessory
CN111618562A (en) * 2020-06-30 2020-09-04 广西玉柴机器股份有限公司 Turntable limiting mechanism of multi-model piston ring assembling machine
CN112720348A (en) * 2020-12-24 2021-04-30 常州机电职业技术学院 Rapid installation device and installation method for piston ring for production

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB228089A (en) * 1924-10-30 1925-01-29 Frederick Norris An instrument or tool for expanding for fitting in place, and conversely for removing from the piston the spring packing rings as generally used for steam engines, gas engines, and internal combustion engines
US1691161A (en) * 1927-01-24 1928-11-13 Miller Frank Piston-ring mounting and removing tool
FR2510455A1 (en) * 1981-07-30 1983-02-04 Maschf Augsburg Nuernberg Ag PLIERS FOR MOUNTING THE PISTON SEGMENTS, PARTICULARLY ON THE PISTONS OF LARGE CYLINDERED ENGINES
CN2832440Y (en) * 2005-10-01 2006-11-01 扬动股份有限公司 Internal combustion engine piston ring assembling tool
CN201808024U (en) * 2010-07-07 2011-04-27 广西玉柴机器股份有限公司 Piston ring mounting tool
CN102303303A (en) * 2011-08-25 2012-01-04 安徽全柴动力股份有限公司 Tool for assembling piston ring of engine
CN103419008A (en) * 2012-05-22 2013-12-04 广西玉柴机器股份有限公司 Exhaust pipe sealing ring assembling device
CN104117838A (en) * 2014-08-12 2014-10-29 广西玉柴机器股份有限公司 Assembling device of piston ring
CN204431193U (en) * 2015-02-12 2015-07-01 广西玉柴机器股份有限公司 Piston ring expanding opening apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB228089A (en) * 1924-10-30 1925-01-29 Frederick Norris An instrument or tool for expanding for fitting in place, and conversely for removing from the piston the spring packing rings as generally used for steam engines, gas engines, and internal combustion engines
US1691161A (en) * 1927-01-24 1928-11-13 Miller Frank Piston-ring mounting and removing tool
FR2510455A1 (en) * 1981-07-30 1983-02-04 Maschf Augsburg Nuernberg Ag PLIERS FOR MOUNTING THE PISTON SEGMENTS, PARTICULARLY ON THE PISTONS OF LARGE CYLINDERED ENGINES
CN2832440Y (en) * 2005-10-01 2006-11-01 扬动股份有限公司 Internal combustion engine piston ring assembling tool
CN201808024U (en) * 2010-07-07 2011-04-27 广西玉柴机器股份有限公司 Piston ring mounting tool
CN102303303A (en) * 2011-08-25 2012-01-04 安徽全柴动力股份有限公司 Tool for assembling piston ring of engine
CN103419008A (en) * 2012-05-22 2013-12-04 广西玉柴机器股份有限公司 Exhaust pipe sealing ring assembling device
CN104117838A (en) * 2014-08-12 2014-10-29 广西玉柴机器股份有限公司 Assembling device of piston ring
CN204431193U (en) * 2015-02-12 2015-07-01 广西玉柴机器股份有限公司 Piston ring expanding opening apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175620A (en) * 2017-06-08 2017-09-19 安徽江淮纳威司达柴油发动机有限公司 A kind of piston ring installs accessory
CN107175620B (en) * 2017-06-08 2018-09-21 安徽江淮纳威司达柴油发动机有限公司 A kind of piston ring installation accessory
CN111618562A (en) * 2020-06-30 2020-09-04 广西玉柴机器股份有限公司 Turntable limiting mechanism of multi-model piston ring assembling machine
CN112720348A (en) * 2020-12-24 2021-04-30 常州机电职业技术学院 Rapid installation device and installation method for piston ring for production

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