CN101762227A - Timing angle detecting device for crankshaft assembly chain wheel - Google Patents
Timing angle detecting device for crankshaft assembly chain wheel Download PDFInfo
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- CN101762227A CN101762227A CN200810195281A CN200810195281A CN101762227A CN 101762227 A CN101762227 A CN 101762227A CN 200810195281 A CN200810195281 A CN 200810195281A CN 200810195281 A CN200810195281 A CN 200810195281A CN 101762227 A CN101762227 A CN 101762227A
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- gauge
- base
- chain wheel
- limited rack
- sliding block
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Abstract
The invention discloses a timing angle detecting device for a crankshaft assembly chain wheel, which comprises a dial gauge, a gauge rod, a vertical rod, a base, a tapered mandril, a V-shaped iron, keys and a limiting rack. The base is fixedly connected with the vertical rod and the gauge rod which are oppositely arranged in a left-right symmetrical manner, the dial gauge with an inward gauge head is horizontally arranged at the top end of the gauge rod, the top end surface of the vertical rod is located under the gauge head, and the height difference between the top end surface of the vertical rod and the gauge head is the semi-diameter value of the middle segment of the tapered mandril. Bearings at the two ends of a crankshaft are directly supported by the V-shaped iron, the front end surface of the V-shaped iron is fixedly connected with the limiting rack, and the V-shaped iron and the limiting rack are connected with the base by the keys. An elastic limiting structure consisting of a spring and a positioning sliding block is arranged in the limiting rack, and a roller needle for positioning the chain wheel is arranged at the side face of the top end of the positioning sliding block. The tapered mandril is squeezed into a connecting rod of a crankshaft assembly; when the connecting rod is horizontally swung at 180 DEG, two dial gauges calibrated at zero are used to respectively measure the deviation value of the tapered mandril and then the difference value measured by the two dial gauges is converted into an angle.
Description
Technical field
The present invention relates to a kind of pick-up unit that is used for component of machine, particularly detect the device of the positive hour angle of bent wheel assembly sprocket wheel.
Background technology
The petrolic crankshaft assembly chain wheel timing of miniwatt angle is an important quality index that influences the engine transmission performance.Prior art adopts " n " shape cubing comparative that replaces to detect, and this kind detection is a qualitative detection.Although prior art can be used in the production scene and detects, energy value does not show the actual deviation value, and its accuracy of detection is poor, can not reflect the product actual mass objectively, also is unfavorable for statistic of attribute and quality analysis certainly.
Summary of the invention
The present invention is primarily aimed at the deficiencies in the prior art, and it is simple relatively to propose a kind of structure, and it is convenient to detect, and directly shows the timing angle detecting device for crankshaft assembly chain wheel of measurement result.
The present invention is achieved through the following technical solutions technical goal.
Timing angle detecting device for crankshaft assembly chain wheel, it comprises dial gauge, table bar, montant, base, tapering plug, V shape iron, key and position-limited rack.Its improvements are: described base is a planar plate members, the montant of the fixedly connected two pairs of vertically-arrangeds of left-right symmetric and table bar, table masthead end level is installed gauge outfit dial gauge inwardly, the montant top end face is the plane and is under the gauge outfit center line, both differences in height are tapering plug stage casing radius value, and the base middle part is provided with vertical rectangle open slot towards upper surface.The fixedly connected position-limited rack of described V shape iron front end face, V shape iron and position-limited rack center bottom are provided with rectangular aperture groove down, and V shape iron and position-limited rack cooperate with base by key.The built-in positioning sliding block by spring and vertically-arranged of described position-limited rack is formed the elasticity position limiting structure, and side, positioning sliding block top is provided with needle roller and is stuck in the sprocket, and positioning sliding block is by screw lock.
Montant top end face in the said structure is the plane, this plane is the supporting of the equipped tapering plug of connecting rod, the montant height dimension that symmetry is installed in the base two ends is identical, the setting height(from bottom) of two dial gauges is measure-alike, the gauge outfit center line of dial gauge is than montant top end face height, and difference in height is the radius value in tapering plug stage casing.
The present invention compared with prior art has following good effect:
1, detection and localization is simple in structure, installation is convenient, the location is reliable;
2, under equal conditions change 180 ° of detection tapering plugs, quantize deviate by dial gauge, measurement result accurately, intuitively.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the A-A section enlarged diagram of Fig. 1.
Embodiment
The invention will be further described with reference to the accompanying drawings below.
Timing angle detecting device for crankshaft assembly chain wheel shown in the drawings, it comprises dial gauge 1, table bar 2, montant 3, base 4, tapering plug 5, V shape iron 6, key 7 and position-limited rack 8.Plane on the base 4 of rectangular flat shape, the montant 3 of the fixedly connected two pairs of vertically-arrangeds of two ends, left and right sides symmetry and table bar 2, table bar 2 top levels are installed gauge outfit dial gauge 1 inwardly, and montant 3 top end faces are the plane, and the equipped tapering plug 5 that detects usefulness of the connecting rod in the crank assemblby directly is bearing in this plane.The gauge outfit center line of dial gauge 1 is than montant 3 top end face height, and its difference equals the radius value in tapering plug 5 stage casings.Base 4 middle parts are provided with vertical rectangle open slot towards upper surface.V shape iron 6 and position-limited rack 8 center bottom are provided with rectangular aperture groove down, and V shape iron 6 and position-limited rack 8 cooperate with base 4 by key 7.Position-limited rack 8 built-in positioning sliding blocks 8.3 by spring 8.2 and vertically-arranged are formed the elasticity position limiting structure among the present invention.Described positioning sliding block 8.3 is by screw 8.4 lockings.During the actual use of the present invention, bearing in the crank assemblby directly is bearing in the V shape iron 6, adjust the position of positioning sliding block 8.3, be stuck in sprocket wheel and crank center is in the collinear tooth until needle roller 8.1, with this location positioning bent axle, plug dress tapering plug 5 changes pendulum to the left side with connecting rod in tie rod holes, make the montant 3 top plane contact in tapering plug 5 and left side, zero dial gauge 1 gauge outfit records the positional value of tapering plug 5 through the school in the left side.Connecting rod is changeed pendulum to the right side, and zero dial gauge 1 gauge outfit records the positional value of tapering plug 5 through the school by the right side equally, with about the numerical difference between of two dial gauges 1 be converted into the angular deviation value.The present invention quantizes deviate, and it is convenient, accurate to measure.
Claims (2)
1. timing angle detecting device for crankshaft assembly chain wheel, it comprises dial gauge (1), table bar (2), montant (3), base (4), tapering plug (5), V shape iron (6), key (7) and position-limited rack (8); It is characterized in that: described base (4) is a planar plate members, the montant (3) of the fixedly connected two pairs of vertically-arrangeds of left-right symmetric and table bar (2), table bar (2) top level is installed gauge outfit dial gauge (1) inwardly, montant (3) top end face is the plane and is under the gauge outfit center line, both differences in height are tapering plug stage casing radius value, and base (4) middle part is provided with vertical rectangle open slot towards upper surface; The fixedly connected position-limited rack of described V shape iron (6) front end face (8), V shape iron (6) and position-limited rack (8) center bottom are provided with rectangular aperture groove down, and V shape iron (6) and position-limited rack (8) cooperate with base (4) by key (7); The built-in positioning sliding block (8.3) by spring (8.2) and vertically-arranged of described position-limited rack (8) is formed the elasticity position limiting structure, and positioning sliding block (8.3) side, top is provided with needle roller (8.1) and is stuck in the sprocket, and positioning sliding block (8.3) is locked by screw (8.4).
2. timing angle detecting device for crankshaft assembly chain wheel according to claim 1 is characterized in that: it is identical that described base (4) is gone up two montants (3) height dimension of installing, and two dial gauges (1) setting height(from bottom) is measure-alike.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200810195281A CN101762227B (en) | 2008-10-31 | 2008-10-31 | Timing angle detecting device for crankshaft assembly chain wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN200810195281A CN101762227B (en) | 2008-10-31 | 2008-10-31 | Timing angle detecting device for crankshaft assembly chain wheel |
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CN101762227A true CN101762227A (en) | 2010-06-30 |
CN101762227B CN101762227B (en) | 2012-09-05 |
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CN200810195281A Active CN101762227B (en) | 2008-10-31 | 2008-10-31 | Timing angle detecting device for crankshaft assembly chain wheel |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106370149A (en) * | 2016-11-16 | 2017-02-01 | 江西昌河汽车有限责任公司 | Engine correct time angle measuring device and detection method |
CN112097616A (en) * | 2020-09-18 | 2020-12-18 | 青岛迈特园林机械零部件有限公司 | Engine crankshaft assembly timing angle detection tool and detection method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB679451A (en) * | 1950-03-29 | 1952-09-17 | Nordiska Armaturfab Ab | Improvements in or relating to measuring instruments |
CN2646656Y (en) * | 2003-08-22 | 2004-10-06 | 东风汽车公司 | Crankshaft multi-parameter pneumatic measuring device |
CN2727691Y (en) * | 2004-08-14 | 2005-09-21 | 重庆宗申技术开发研究有限公司 | Integrated crankshaft detecting device |
CN201297917Y (en) * | 2008-10-31 | 2009-08-26 | 江苏罡阳股份有限公司 | Crankshaft assembly sprocket timing angle detection device |
-
2008
- 2008-10-31 CN CN200810195281A patent/CN101762227B/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106370149A (en) * | 2016-11-16 | 2017-02-01 | 江西昌河汽车有限责任公司 | Engine correct time angle measuring device and detection method |
CN112097616A (en) * | 2020-09-18 | 2020-12-18 | 青岛迈特园林机械零部件有限公司 | Engine crankshaft assembly timing angle detection tool and detection method thereof |
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CN101762227B (en) | 2012-09-05 |
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Address after: 225318 Jiangsu Province, Taizhou City Hailing District Gang Yang Gang Road No. 99 Patentee after: Jiangsu Gangyang Stock Co., Ltd. Address before: 225541 Jiangyan City, Jiangsu province Gang Yang Xingtai Road No. 8 Patentee before: Jiangsu Gangyang Stock Co., Ltd. |