CN102240914B - Self-centering device for crankshaft connecting-rod neck - Google Patents
Self-centering device for crankshaft connecting-rod neck Download PDFInfo
- Publication number
- CN102240914B CN102240914B CN2011101693244A CN201110169324A CN102240914B CN 102240914 B CN102240914 B CN 102240914B CN 2011101693244 A CN2011101693244 A CN 2011101693244A CN 201110169324 A CN201110169324 A CN 201110169324A CN 102240914 B CN102240914 B CN 102240914B
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- arrangement
- centering
- self
- positioning seat
- rocker piece
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- Expired - Fee Related
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Abstract
The invention relates to a self-centering device for a crankshaft connecting-rod neck, and the self-centering device comprises a baseboard, V-shaped support blocks and a connecting rod centering mechanism, wherein two V-shaped support blocks are mounted on the baseboard through screws and are supported below the main journals of a crankshaft; the connecting rod centering mechanism is mounted on the baseboard between the two V-shaped support blocks; a V-shaped positioning base, a V-shaped floating block and an expansion spring are arranged on the connecting rod centering mechanism; the V-shaped positioning base is fixed on the baseboard through screws and is collinear with the two V-shaped support blocks; a notch and a round hole are formed on the V-shaped positioning base; the expansion spring is placed in the notch; the V-shaped floating block is moveably mounted on the V-shaped positioning base; and one crankshaft connecting-rod neck is in contact with the inner side of the V-shaped floating block and is tightly pressed on the V-shaped floating block under the action of the weight of the crankshaft, thereby realizing the self-centering of the crankshaft connecting-rod neck. The self-centering device for the crankshaft connecting-rod neck has the advantages that the structure is reasonable, the efficiency of centering and positioning the crankshaft connecting-rod neck is high, and the labor intensity of an operator is reduced. The self-centering device for the crankshaft connecting-rod neck is an ideal self-centering device for the crankshaft connecting-rod neck and can be used for bringing convenience to the positioning and processing of the end face hole of a crankshaft flange.
Description
Technical field
The present invention relates to the centering machine of mechanical frock clamp, specifically a kind of crank-shaft link neck self-centering device.
Background technology
We know that the flange screw of bent axle or position of positioning hole precision are positioning reference with connecting rod neck center all often, and common detent mechanism is that connecting rod neck one side leans against on the locating piece plane, and the opposite side spiral compresses.Adopt positive and negative screw mechanism centering in addition.Mostly existing crank-shaft link neck detent mechanism is manually-operated, the effort of taking a lot of work, and also positioning accuracy is low, the incompatible batch process in batches.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes above-mentioned prior art, provides a kind of rational in infrastructure, makes simply, and is easy to operate, a kind of crank-shaft link neck self-centering device that efficient is high.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of crank-shaft link neck self-centering device, and it comprises base plate, V-arrangement back-up block and connecting rod centering machine, two V-arrangement back-up blocks are installed on the base plate through screw; And be supported under the crankshaft two end trunnion, it is characterized in that: said connecting rod centering machine is installed on two base plates between the V-arrangement back-up block, and it is provided with V-arrangement positioning seat, V-arrangement rocker piece and the spring that rises; The V-arrangement positioning seat is fixed on the base plate through screw; And with two V-arrangement back-up blocks on same straight line, the V-arrangement positioning seat is provided with a notch and a circular hole, the spring that rises is placed in the notch; V-arrangement rocker piece bottom is provided with cylindrical bar; Cylindrical bar passes the spring that rises and cooperates with V-arrangement positioning seat circular hole is movable, and the V-arrangement rocker piece is movably arranged on the V-arrangement positioning seat, side contacts in bent axle one connecting rod neck and the V-arrangement rocker piece; Rely on the bent axle deadweight to be pressed on the V-arrangement rocker piece, realize the crank-shaft link neck self-centering.
V-arrangement positioning seat of the present invention inboard is provided with groove, and the V-arrangement rocker piece outside is provided with boss, and groove and boss engagement limits top V-arrangement rocker piece rotate with respect to bottom V-arrangement positioning seat.
When the present invention used, the crankshaft two end trunnion was put on the V-arrangement back-up block, and side contacts in a connecting rod neck and the V-arrangement rocker piece relies on the bent axle deadweight or adopts other hold-down mechanism to be pressed on the V-arrangement rocker piece.Against existing technologies, the present invention has automatically confirmed the position of this crank-shaft link neck, plays connecting rod neck centering effect, for the circumferential position of further confirming the crankshaft flange end-face hole exactly provides convenience, is convenient to carry out the following process of bent axle.It is rational in infrastructure, makes simply, easy for operation, and the centering of connecting rod neck, location efficiency are high, have reduced operator's labour intensity, are a kind of desirable crank-shaft link neck self-centering devices, for confirming and processing is provided convenience crankshaft flange end-face hole position.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further description.
Fig. 1 is the structural representation of confined state of the present invention.
Fig. 2 is that the A of Fig. 1 is to structural representation.
Fig. 3 is that the B-B of Fig. 2 is to structural representation.
1. base plates among the figure, 2. screw, 3.V shape back-up block, 4. bent axle, 5.V shape positioning seat, 51. grooves, 6.V shape rocker piece, 61. boss, spring 7. rises.
The specific embodiment
From Fig. 1, Fig. 2, Fig. 3, can find out, a kind of crank-shaft link neck self-centering device, it comprises base plate 1, V-arrangement back-up block 3 and connecting rod centering machine, two V-arrangement back-up blocks 3 are installed on the base plate 1 through screw 2, and are supported under the bent axle 4 two ends trunnions.Work to support whole bent axle.
Said connecting rod centering machine is installed on two base plates between the V-arrangement back-up block 3, and it is provided with V-arrangement positioning seat 5, V-arrangement rocker piece 6 and the spring 7 that rises.V-arrangement positioning seat 5 is fixed on the base plate 1 through screw 1, and with two V-arrangement back-up blocks on same straight line.Specifically be that both sides, V-arrangement positioning seat 5 bottom are provided with counterbore, screw 2 passes counterbore and is fixed on the base plate 1, the center line of V-arrangement positioning seat 5 with the center line of two V-arrangement back-up blocks 3 on same straight line.Described V-arrangement positioning seat 5 is provided with a notch and a circular hole; The spring 7 that rises is placed in the notch, and V-arrangement rocker piece 6 bottoms are provided with cylindrical bar, and cylindrical bar passes rise spring 7 and movable cooperation of V-arrangement positioning seat 5 bottom circular holes; V-arrangement rocker piece 6 is movably arranged on the V-arrangement positioning seat 5; Side contacts in bent axle one connecting rod neck and the V-arrangement rocker piece 6 relies on bent axle 4 deadweights to be pressed on V-arrangement rocker piece 6 and the V-arrangement positioning seat 5, realizes the crank-shaft link neck self-centering.
V-arrangement positioning seat of the present invention 5 inboards are provided with groove 51, and V-arrangement rocker piece 6 outsides are provided with boss 61, groove 51 and the rotation of boss 61 engagement limits top V-arrangement rocker pieces 6 with respect to bottom V-arrangement positioning seat 5.
When the present invention used, the crankshaft two end trunnion was put on the V-arrangement back-up block 3, and side contacts in a connecting rod neck and the V-arrangement rocker piece 6 relies on bent axle 4 deadweights or adopts other hold-down mechanism to be pressed on V-arrangement rocker piece 6 and the V-arrangement positioning seat 5.So just automatically confirmed the position of this crank-shaft link neck, played connecting rod neck centering effect,, be convenient to carry out the following process of bent axle for the circumferential position of further confirming the crankshaft flange end-face hole exactly provides convenience.It is rational in infrastructure, and connecting rod neck centering, location efficiency are high, have reduced operator's labour intensity, are a kind of desirable crank-shaft link neck self-centering devices, for confirming and processing is provided convenience crankshaft flange end-face hole position.
Claims (2)
1. crank-shaft link neck self-centering device, it comprises base plate, V-arrangement back-up block and connecting rod centering machine, two V-arrangement back-up blocks are installed on the base plate through screw; And be supported under the crankshaft two end trunnion, it is characterized in that: said connecting rod centering machine is installed on two base plates between the V-arrangement back-up block, and it is provided with V-arrangement positioning seat, V-arrangement rocker piece and the spring that rises; The V-arrangement positioning seat is fixed on the base plate through screw, and with two V-arrangement back-up blocks on same straight line, the V-arrangement positioning seat is provided with a notch and a circular hole; The spring that rises is placed in the notch, and V-arrangement rocker piece bottom is provided with cylindrical bar, and cylindrical bar passes the spring that rises and cooperates with V-arrangement positioning seat circular hole is movable; The V-arrangement rocker piece is movably arranged on the V-arrangement positioning seat; Side contacts in bent axle one connecting rod neck and the V-arrangement rocker piece relies on the bent axle deadweight to be pressed on the V-arrangement rocker piece, realizes the crank-shaft link neck self-centering.
2. crank-shaft link neck self-centering device according to claim 1 is characterized in that: said V-arrangement positioning seat inboard is provided with groove, and the V-arrangement rocker piece outside is provided with boss, and groove and boss engagement limits top V-arrangement rocker piece rotate with respect to bottom V-arrangement positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101693244A CN102240914B (en) | 2011-06-22 | 2011-06-22 | Self-centering device for crankshaft connecting-rod neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101693244A CN102240914B (en) | 2011-06-22 | 2011-06-22 | Self-centering device for crankshaft connecting-rod neck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102240914A CN102240914A (en) | 2011-11-16 |
| CN102240914B true CN102240914B (en) | 2012-11-07 |
Family
ID=44959259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101693244A Expired - Fee Related CN102240914B (en) | 2011-06-22 | 2011-06-22 | Self-centering device for crankshaft connecting-rod neck |
Country Status (1)
| Country | Link |
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| CN (1) | CN102240914B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513890A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | Angular precision positioning device for crank of crankshaft |
| CN103949922B (en) * | 2014-05-21 | 2016-01-06 | 成都西菱动力科技股份有限公司 | A kind of Rapid positioning locking fixture for camshaft processing |
| CN106799615B (en) * | 2017-03-31 | 2023-10-27 | 上汽通用五菱汽车股份有限公司 | Angular error-proofing positioning device for crankshaft oil hole drill |
| CN109955162A (en) * | 2017-12-22 | 2019-07-02 | 上汽通用五菱汽车股份有限公司 | A kind of floating type crankshaft radial positioning device |
| CN108544256A (en) * | 2018-03-21 | 2018-09-18 | 浙江太阳股份有限公司 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
| CN108500702A (en) * | 2018-06-26 | 2018-09-07 | 福建工程学院 | A kind of Crankshaft clamp for capableing of adjustment axis height |
| CN112497065B (en) * | 2020-11-27 | 2022-04-19 | 株洲钻石切削刀具股份有限公司 | Self-centering clamp for inner hole machining |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002307255A (en) * | 2001-04-19 | 2002-10-23 | Pascal Corp | Pallet locating and fixing device and die locating and fixing device |
| CN1179114C (en) * | 2001-11-21 | 2004-12-08 | 中国石化胜利油田有限公司胜利采油厂 | Quick workover process |
| CN200974176Y (en) * | 2006-11-23 | 2007-11-14 | 中国北车集团大同电力机车有限责任公司 | Flotation supporting device |
| JP2010099785A (en) * | 2008-10-24 | 2010-05-06 | Pascal Engineering Corp | Work pallet positioning and fixing mechanism |
| CN101966662A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Polyhedron-milling dividing device |
| CN202155712U (en) * | 2011-06-22 | 2012-03-07 | 天润曲轴股份有限公司 | Self-centering device for crankshaft connecting rod journal |
-
2011
- 2011-06-22 CN CN2011101693244A patent/CN102240914B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102240914A (en) | 2011-11-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20121107 Termination date: 20160622 |