CN102581548B - Crankshaft timing gear assembling device - Google Patents
Crankshaft timing gear assembling device Download PDFInfo
- Publication number
- CN102581548B CN102581548B CN 201210075291 CN201210075291A CN102581548B CN 102581548 B CN102581548 B CN 102581548B CN 201210075291 CN201210075291 CN 201210075291 CN 201210075291 A CN201210075291 A CN 201210075291A CN 102581548 B CN102581548 B CN 102581548B
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- crankshaft
- gear
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Abstract
The invention relates to a crankshaft timing gear assembling device, which comprises a supporting positioning disc, a gear positioning pin, a key groove positioning pin and a plurality of supporting pins. The supporting positioning disc is provided with a central round hole, a square groove is arranged above the central round hole, the end face of the supporting positioning disc is provided with a positioning hole, a plurality of round pin holes are arranged on the outer circle of the end face of the supporting positioning disc, the gear positioning pin is mounted in the positioning hole, the key groove positioning pin is mounted in a square groove, and the supporting pins are mounted in the round pin holes and correspond to a plurality of gaps among teeth of a timing gear. During assembly, the positioning hole of the heated timing gear aligns to the gear positioning pin, the gaps among the teeth align to the supporting pins correspondingly, the central round hole of the supporting positioning disc aligns to a small-end cylinder of a crankshaft, the key groove positioning pin aligns to a semi-circular key on the small-end cylinder of the crankshaft and pushes the supporting positioning disc forwards along the small-end cylinder of the crankshaft so that the timing gear is mounted onto a crankshaft neck. The crankshaft timing gear assembling device is reasonable in structure, accurate in positioning, convenient in operation and high in assembly efficiency.
Description
Technical field
The present invention relates to crankshaft toothed wheel assembling field, specifically a kind of crankshaft timing gear assembling device.
Background technology
We know that timing gears are to play the gear of time scale location to finishing relevant control function in mechanical device.Timing gears are installed on the engine crankshaft, and assembly method is that the gear heating is pressed into the bent axle microcephaly.Because the operating characteristic at its position of living in, the circumferential position of gear mesh crank-shaft link neck requires very strict.In order to guarantee the correct of installation site, usually be provided with Woodruff key slots and keyways at bent axle microcephaly cylindrical side, be provided with a locating hole in the timing gears side, require Woodruff key slots and keyways center and timing gears center all must with bent axle first connecting rod neck center on same plane, the assembling that satisfy this condition is very difficult.At present, do not have special-purpose crankshaft timing gear assembling device on the market, do not have the bibliographical information of this respect yet.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, and accurate positioning is easy and simple to handle, the crankshaft timing gear assembling device that efficiency of assembling is high.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of crankshaft timing gear assembling device, it is characterized in that: it comprises support positioning disk, gear alignment pin, keyway alignment pin and several supporting pins, described support positioning disk is provided with center hole, the center hole top is provided with a square groove, support the positioning disk end face and be provided with a locating hole, the end face cylindrical is provided with several pin hole, and described gear alignment pin is installed in the locating hole, and it is corresponding with the locating hole that timing gears are provided with; Described keyway alignment pin is installed in the square groove, and it is corresponding with the woodruff key that bent axle microcephaly cylinder is provided with; Described several supporting pins are installed in the pin hole, and its several between cog spaces with timing gears are corresponding.
Support positioning disk center hole of the present invention upper right side has " L " shape otch that connects with described square groove.During assembling, the convenient cooperation of observing keyway alignment pin and woodruff key.
Keyway alignment pin of the present invention rear portion is square, anterior semicircle for the band seam, the location of corresponding cooperation with the woodruff key on the bent axle microcephaly cylinder.
Support positioning disk end face cylindrical of the present invention is laid with three pin hole, and three described supporting pin correspondences are installed in the pin hole, and is corresponding with three between cog spaces of timing gears.
The present invention assembles when using, with the locating hole of timing gears after the heating to the spur gear alignment pin, several timing gears between cog spaces align corresponding supporting pin, timing gears are close to be supported on and support on the positioning disk end face, and the supporting pin, the gear alignment pin that support on the positioning disk support by being installed in, the location.Then, the hand-held supports positioning disk, the center hole that supports on the positioning disk is aligned bent axle microcephaly cylinder, the keyway alignment pin aligns the woodruff key on the bent axle microcephaly cylinder, promote to support positioning disk forward along bent axle microcephaly cylinder, timing gears are packed on the crankshaft journal, after the cooling, realize the accurate assembling of crankshaft timing gear.Against existing technologies, the present invention is rational in infrastructure, and accurate positioning is easy and simple to handle, and the efficiency of assembling height is a kind of desirable crankshaft timing gear assembling device.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is confined state schematic diagram of the present invention.
Fig. 2 is that schematic diagram is looked on the left side of Fig. 1.
1. bent axles among the figure, 2. timing gears, 3. supporting pin, 4. support positioning disk, 5. keyway alignment pin, 6. gear alignment pin.
The specific embodiment
From Fig. 1 and Fig. 2 as can be seen, a kind of crankshaft timing gear assembling device, it is assembled to timing gears 2 on the bent axle 1.Identical with prior art, timing gears 2 are provided with locating hole, and bent axle 1 microcephaly's cylinder is provided with woodruff key, determine the accurate installation site of timing gears on bent axle by locating hole and woodruff key.
Crankshaft timing gear assembling device of the present invention, it comprises that one supports positioning disk 4, gear alignment pin 6, keyway alignment pin 5 and several supporting pins 3.Described support positioning disk 4 is provided with center hole, the center hole top is provided with a square groove, supports the positioning disk end face and is provided with a locating hole, and the end face cylindrical is provided with several pin hole, described gear alignment pin 6 is installed in the locating hole, and it is corresponding with the locating hole that timing gears 2 are provided with; Described keyway alignment pin 5 is installed in the square groove, and it is corresponding with the woodruff key that bent axle 1 microcephaly's cylinder is provided with; Described several supporting pins 3 are installed in the pin hole, and its several between cog spaces with timing gears 2 are corresponding.
Support positioning disk of the present invention 4 center hole upper right sides have " L " shape otch that connects with described square groove.During assembling, can be from the convenient cooperation of observing the woodruff key on keyway alignment pin 5 and the bent axle 1 microcephaly's cylinder of oblique upper.
Several supporting pins 3 are installed on the support positioning disk 4 of the present invention, and the space cooperates between the corresponding teeth of supporting pin 3 and timing gears 2, plays the support timing gears.In general, it is preferred forms that three supporting pins 3 are installed, and specifically is to support alternate 120 degree of positioning disk 4 end face cylindricals, be laid with three pin hole, three supporting pins 3 correspondence respectively are installed in the pin hole, and are corresponding with three between cog spaces of timing gears 2, are used for supporting holding timing gears.
The present invention assembles when using, with the locating hole of timing gears 2 after the heating to spur gear alignment pin 6, three timing gears between cog spaces align corresponding three supporting pins 3, timing gears 2 are close to be supported on and support on positioning disk 4 end faces, and the supporting pin 3, the gear alignment pin 6 that support on the positioning disk support by being installed in, the location.Then, hand-held supports positioning disk 4, the center hole that supports on the positioning disk 4 is aligned bent axle 1 microcephaly's cylinder, keyway alignment pin 5 aligns the woodruff key on bent axle 1 microcephaly's cylinder, promote to support positioning disk 4 forward along bent axle microcephaly cylinder, timing gears 2 are packed on bent axle 1 axle journal, after the cooling, just finished the accurate assembling of crankshaft timing gear.
The present invention is rational in infrastructure, and accurate positioning is easy and simple to handle, and the efficiency of assembling height is a kind of desirable crankshaft timing gear assembling device.
Claims (2)
1. crankshaft timing gear assembling device, it is characterized in that: it comprises support positioning disk, gear alignment pin, keyway alignment pin and several supporting pins, described support positioning disk is provided with center hole, the center hole top is provided with a square groove, support the positioning disk end face and be provided with a locating hole, the end face cylindrical is provided with several pin hole, and described gear alignment pin is installed in the locating hole, and it is corresponding with the locating hole that timing gears are provided with; Described keyway alignment pin is installed in the square groove, and it is corresponding with the woodruff key that bent axle microcephaly cylinder is provided with; Described several supporting pins are installed in the pin hole, and its several between cog spaces with timing gears are corresponding; Described support positioning disk center hole upper right side has " L " shape otch that connects with described square groove; Described keyway alignment pin rear portion is square, anterior semicircle for the band seam, the location of corresponding cooperation with the woodruff key on the bent axle microcephaly cylinder.
2. crankshaft timing gear assembling device according to claim 1, it is characterized in that: described support positioning disk end face cylindrical is laid with three pin hole, and three described supporting pin correspondences are installed in the pin hole, and is corresponding with three between cog spaces of timing gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210075291 CN102581548B (en) | 2012-03-21 | 2012-03-21 | Crankshaft timing gear assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210075291 CN102581548B (en) | 2012-03-21 | 2012-03-21 | Crankshaft timing gear assembling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581548A CN102581548A (en) | 2012-07-18 |
| CN102581548B true CN102581548B (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210075291 Expired - Fee Related CN102581548B (en) | 2012-03-21 | 2012-03-21 | Crankshaft timing gear assembling device |
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| CN (1) | CN102581548B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111794B (en) * | 2013-03-01 | 2015-01-07 | 天润曲轴股份有限公司 | Novel crankshaft timing gear assembling device |
| CN105014369B (en) * | 2015-08-10 | 2017-07-07 | 广西玉柴机器股份有限公司 | The accurate tool component for installing crankshaft timing gear |
| CN105171382B (en) * | 2015-10-23 | 2017-03-22 | 台州市中亚汽车零部件有限公司 | Tool for assembling timing gear and crankshaft |
| CN109026976B (en) * | 2018-10-09 | 2023-06-20 | 广西玉柴机器股份有限公司 | Crankshaft front end gear power output structure and installation method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4376335A (en) * | 1980-10-20 | 1983-03-15 | Kabushiki Kaisha Komatsu Seisakusho | Method of mounting a timing gear on a crankshaft |
| KR100614445B1 (en) * | 2004-11-30 | 2006-08-21 | 현대자동차주식회사 | Device and method for assembling crankshaft-sproket |
| FR2905996B1 (en) * | 2006-09-19 | 2008-12-12 | Renault Sas | DEVICE FOR MOUNTING A DISTRIBUTION GEAR AND AN ACCESSORY PULLEY ON A CRANKSHAFT NOSE. |
| CN101456113B (en) * | 2007-12-10 | 2011-07-06 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN101856785B (en) * | 2009-04-07 | 2012-12-19 | 广西玉柴机器股份有限公司 | Assembly component and assembly method for crankshaft timing gear |
| CN201779230U (en) * | 2010-06-04 | 2011-03-30 | 广西玉柴机器股份有限公司 | Timing gear |
| CN101954581A (en) * | 2010-10-21 | 2011-01-26 | 力帆实业(集团)股份有限公司 | Engine timing gear press mounting positioning device |
| CN202491045U (en) * | 2012-03-21 | 2012-10-17 | 天润曲轴股份有限公司 | Crankshaft timing gear assembling device |
-
2012
- 2012-03-21 CN CN 201210075291 patent/CN102581548B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102581548A (en) | 2012-07-18 |
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Granted publication date: 20130828 Termination date: 20160321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |