CN104197800A - Detecting device for center distance of timing drive gear and timing driven gear of CG engine - Google Patents
Detecting device for center distance of timing drive gear and timing driven gear of CG engine Download PDFInfo
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- CN104197800A CN104197800A CN201410434540.0A CN201410434540A CN104197800A CN 104197800 A CN104197800 A CN 104197800A CN 201410434540 A CN201410434540 A CN 201410434540A CN 104197800 A CN104197800 A CN 104197800A
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- engine
- right alignment
- gauge
- timing
- feeler gauge
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detecting device for a center distance of a timing drive gear and a timing driven gear of a CG engine, which comprises a coaxial plug gauge and a coaxial ring gauge. The coaxial plug gauge is of a stepped shaft structure and is provided with a tolerance detection position shaft step and a mounting position shaft step matching with an axial mounting hole of a crankcase of the CG engine; the coaxial ring gauge comprises an inner hole matching with a crankshaft of the crankcase of the CG engine; the outer circumference of the coaxial ring gauge mounted on the crankshaft is in clearance fit with the outer circumference of the tolerance detection position shaft step of the coaxial plug gauge. A plug ruler is used for measuring the practical matching clearance between the outer circumference of the coaxial ring gauge and the tolerance detection position shaft step, and corresponding timing driven gear and timing drive gear are selected for matching based on the measured size, so that the quality problem of abnormal sound or squeaking generated by the timing gears in the CG engine is solved, and the requirements on production and performance of the CG engine are satisfied.
Description
Technical field
The present invention relates to a kind of measurer, be specifically related to the driving and driven tooth centre distance of a kind of CG engine timing pick-up unit.
Background technology
CG engine is as a kind of a rod engine being used on motorcycle, CG engine crankcase is in assembling process, what first install is shift cam, start the relevant transmission parts such as timing driving tooth on axle, main shaft, countershaft, shift fork, declutch shift shaft, bent axle and bent axle, and the timing driven gear on last installation shaft core again matches with timing driving tooth.Now, each parts rigging error accumulative total of its of assembling before therewith, exists engagement abnormal after the driving and driven tooth assembling of timing, causes timing gear long-term existence in the time of work in CG engine to be uttered long and high-pitched sounds or abnormal sound, also cause in addition timing gear wearing and tearing larger, affect the serviceable life of CG engine.Conventionally factory, in the time of the driving and driven tooth of assembling timing, generally adopts the gap between the driving and driven tooth of feel perception timing, thereby chooses corresponding gear, but easily like this causes erroneous judgement, larger on gear wear impact; Also have a kind of way to adopt exactly three-dimensional coordinate to detect, although this method has higher accuracy and reliability, adopt while assembling in this way, efficiency is very low, and impact is produced.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical matters to be solved by this invention is: how a kind of driving and driven tooth centre distance of a kind of CG engine timing pick-up unit that can detect quickly and accurately fit-up gap size between the driving and driven tooth of CG engine crankcase timing is provided.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
The driving and driven tooth centre distance of a kind of CG engine timing pick-up unit, comprise right alignment feeler gauge and right alignment ring gauge, described right alignment feeler gauge is multidiameter structure, the axle rank, installation position that described right alignment feeler gauge is provided with tolerance detecting position axle rank and coordinates with the axle core mounting hole of CG engine crankcase, described right alignment ring gauge comprises the endoporus coordinating with the bent axle of CG engine crankcase, is arranged on described right alignment ring gauge outer peripheral face and the tolerance detecting position axle rank outer peripheral face clearance fit that is arranged on the described right alignment feeler gauge on described axle core mounting hole on described bent axle.
In the present invention, directly measure the actual tolerance clearance between right alignment ring gauge outer peripheral face and described tolerance detecting position axle rank outer peripheral face with clearance gauge, the timing driven gear of choosing again corresponding tolerance according to the physical size of measuring coordinates with timing driving tooth, the cumulative errors of position when measurement actual value has comprised whole crankcase assembling, such error measure is assembled closer to material object.
As optimization, described tolerance detecting position axle rank shape of cross section is that arcuate arc is the arc of major arc.In installing or removing right alignment feeler gauge, right alignment feeler gauge is rotated, make the straight line place plane of tolerance detecting position axle rank xsect towards right alignment ring gauge, make like this gap between right alignment feeler gauge and right alignment ring gauge increase, the feeler gauge of installation or removal right alignment more easily, also avoid wearing and tearing mutually between right alignment feeler gauge and right alignment ring gauge in installation or removal process, caused measuring error to increase, thereby affected the measurement of the driving and driven tooth centre distance of timing.
As optimization, described right alignment feeler gauge is provided with handle away from CG engine crankcase one end.Convenient in the time taking out right alignment feeler gauge, also prevent operator in use simultaneously, hand, to the regular wearing and tearing in tolerance detecting position axle rank on right alignment feeler gauge, has improved the accuracy of measuring, and has extended its serviceable life.
As optimization, described handle outer peripheral face is provided with annular knurl line.In the time that crankcase assembles, between all parts, can be lubricated processing, operator can be stained with lubricating oil on hand, and the annular knurl line that is arranged on handle outer peripheral face can improve the friction force between handle and palm, makes operator be more prone to operate right alignment feeler gauge.
As optimization, described handle end is outer-hexagonal termination.In the time running between right alignment ring gauge outer peripheral face and described tolerance detecting position axle rank that gap is too small, cannot make right alignment feeler gauge extract from crankcase with hand, right alignment feeler gauge need to be rotated, make the plane position on the tolerance detecting position axle rank of right alignment feeler gauge approach right alignment ring gauge, in this process, need to use the instrument of spanner and so on, outer-hexagonal termination this class instrument easy to use is set and operates.
In sum, the invention solves production scene because of cannot accurately judge when assembling timing driven gear and timing driving tooth between actual gap, and make timing gear in CG engine produce abnormal sound or these quality problems of uttering long and high-pitched sounds, meet production and the performance requirement of CG engine.
Brief description of the drawings
In order to make object, technical scheme and the advantage of invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is right alignment feeler gauge structural representation of the present invention;
Fig. 2 is right alignment feeler gauge A-A structural representation of the present invention;
Fig. 3 is right alignment ring gauge structural representation of the present invention;
Fig. 4 is mounting structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figures 1 to 4, a kind of CG engine timing of the present invention master, driven tooth centre distance pick-up unit, comprise right alignment feeler gauge and right alignment ring gauge 1, described right alignment feeler gauge is multidiameter structure, the axle rank, installation position 3 that described right alignment feeler gauge is provided with tolerance detecting position axle rank 2 and coordinates with the axle core mounting hole 7 of CG engine crankcase, described right alignment ring gauge 1 comprises the endoporus 1a coordinating with the bent axle 8 of CG engine crankcase, be arranged on described right alignment ring gauge 1 outer peripheral face and the tolerance detecting position axle rank 2 outer peripheral face clearance fit that are arranged on the described right alignment feeler gauge on described axle core mounting hole 7 on described bent axle 8.Each parts in right crankshaft box are assembled, shift cam is successively installed, start axle, major-minor axle, declutch shift shaft and bent axle, on bent axle, timing driving tooth is installed simultaneously, then left and right crankcase mould assembling, prepare assembling timing driven gear wheel, at this moment the right alignment feeler gauge in the present invention is installed on CG engine crankcase, tolerance detecting position axle rank 2 on right alignment feeler gauge coordinate installation with the axle core mounting hole 7 of CG engine crankcase, again right alignment ring gauge 1 is sleeved on the bent axle 8 of CG engine crankcase, after installing, tolerance detecting position axle rank 2 and right alignment ring gauge 1 outer peripheral face clearance fit, directly measure actual tolerance clearance between them with clearance gauge, the cumulative errors of position when measurement actual value has comprised whole assembling, assemble closer to material object, the timing driven gear that the last physical size according to measurement is chosen corresponding tolerance again coordinates assembling with timing driving tooth.
In this embodiment, described tolerance detecting position axle rank 2 shape of cross sections are that arcuate arc is the arc of major arc.Because each parts are in the time of assembling in CG engine crankcase, between error also different, to such an extent as to while finally measuring with the present invention, between tolerance detecting position axle rank 2 and right alignment ring gauge 1 outer peripheral face, gap is too small, after measuring with clearance gauge, right alignment feeler gauge cannot directly be extracted in crankcase, by rotating coaxial degree feeler gauge, in the time that the planar section on 2 outer circumference surfaces of tolerance detecting position axle rank rotates near right alignment ring gauge 1, gap between them will increase, and right alignment feeler gauge just can be extracted easily in crankcase like this.
In this embodiment, described right alignment feeler gauge is provided with handle 4 away from CG engine crankcase one end.Assembly crewman directly installs right alignment feeler gauge by handle 4, prevents that assembly crewman from having on hand greasy dirt and affecting accuracy of measurement.
In this embodiment, described handle 4 outer peripheral faces are provided with annular knurl line 5.Assembly crewman has greasy dirt on hand, in the time installing or extract right alignment feeler gauge, between hand and right alignment feeler gauge upper handle 4, skids, and this annular knurl line 5 is processed also more convenient, has also increased the friction force between hand and handle 4 simultaneously, makes more convenient operation.
In this embodiment, described handle 4 ends are outer-hexagonal termination 6.Adopting this structure is mainly instrument easy to use, directly acts on outer-hexagonal termination 6 with spanner, makes more convenient operation.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by with reference to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (5)
1. a CG engine timing master, driven tooth centre distance pick-up unit, it is characterized in that: comprise right alignment feeler gauge and right alignment ring gauge, described right alignment feeler gauge is multidiameter structure, the axle rank, installation position that described right alignment feeler gauge is provided with tolerance detecting position axle rank and coordinates with the axle core mounting hole of CG engine crankcase, described right alignment ring gauge comprises the endoporus coordinating with the bent axle of CG engine crankcase, be arranged on described right alignment ring gauge outer peripheral face and the tolerance detecting position axle rank outer peripheral face clearance fit that is arranged on the described right alignment feeler gauge on described axle core mounting hole on described bent axle.
2. the driving and driven tooth centre distance of a kind of CG engine timing according to claim 1 pick-up unit, is characterized in that: described tolerance detecting position axle rank shape of cross section is that arcuate arc is the arc of major arc.
3. the driving and driven tooth centre distance of a kind of CG engine timing according to claim 1 pick-up unit, is characterized in that: described right alignment feeler gauge is provided with handle away from CG engine crankcase one end.
4. the driving and driven tooth centre distance of a kind of CG engine timing according to claim 3 pick-up unit, is characterized in that: described handle outer peripheral face is provided with annular knurl line.
5. the driving and driven tooth centre distance of a kind of CG engine timing according to claim 1 pick-up unit, is characterized in that: described handle end is outer-hexagonal termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410434540.0A CN104197800B (en) | 2014-08-29 | 2014-08-29 | A kind of master and slave moving teeth centre-to-centre spacing detection means of CG engine timings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410434540.0A CN104197800B (en) | 2014-08-29 | 2014-08-29 | A kind of master and slave moving teeth centre-to-centre spacing detection means of CG engine timings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197800A true CN104197800A (en) | 2014-12-10 |
| CN104197800B CN104197800B (en) | 2017-11-17 |
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ID=52083128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410434540.0A Expired - Fee Related CN104197800B (en) | 2014-08-29 | 2014-08-29 | A kind of master and slave moving teeth centre-to-centre spacing detection means of CG engine timings |
Country Status (1)
| Country | Link |
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| CN (1) | CN104197800B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736680A (en) * | 2016-02-18 | 2016-07-06 | 力帆实业(集团)股份有限公司 | Mounting method of transmission gear of CG engine crankcase |
| CN109058434A (en) * | 2018-07-24 | 2018-12-21 | 力帆实业(集团)股份有限公司 | A kind of assembly method of CG engine crankcase transmission system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191172Y (en) * | 2008-04-14 | 2009-02-04 | 哈尔滨汽轮机厂有限责任公司 | Indirect measurement tool for steam turbine reel taper pin assemble |
| CN203053372U (en) * | 2012-12-20 | 2013-07-10 | 綦江齿轮传动有限公司 | Checking fixture for assembling clearance between bevel gears of speed changer |
| CN203298691U (en) * | 2013-04-27 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Mold for measuring distance of shaft centers of camshaft and compression pump |
| CN203572403U (en) * | 2013-11-07 | 2014-04-30 | 扬州锻压机床股份有限公司 | Device for detecting center distance between sliding block worm wheel hole and worm hole |
| CN103615950B (en) * | 2013-12-06 | 2017-01-25 | 浙江八环轴承有限公司 | Combination gauge for abnormal bearing inner ring pore detection and detection method thereof |
| CN204043559U (en) * | 2014-08-29 | 2014-12-24 | 力帆实业(集团)股份有限公司 | CG engine timing driving and driven tooth centre distance pick-up unit |
-
2014
- 2014-08-29 CN CN201410434540.0A patent/CN104197800B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736680A (en) * | 2016-02-18 | 2016-07-06 | 力帆实业(集团)股份有限公司 | Mounting method of transmission gear of CG engine crankcase |
| CN109058434A (en) * | 2018-07-24 | 2018-12-21 | 力帆实业(集团)股份有限公司 | A kind of assembly method of CG engine crankcase transmission system |
| CN109058434B (en) * | 2018-07-24 | 2021-05-28 | 力帆实业(集团)股份有限公司 | Assembling method of CG engine crankcase transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104197800B (en) | 2017-11-17 |
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