CN105258619A - Phase angle detection tool - Google Patents
Phase angle detection tool Download PDFInfo
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- CN105258619A CN105258619A CN201510778778.XA CN201510778778A CN105258619A CN 105258619 A CN105258619 A CN 105258619A CN 201510778778 A CN201510778778 A CN 201510778778A CN 105258619 A CN105258619 A CN 105258619A
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- positioning
- hole
- camshaft
- phasing degree
- register pin
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Abstract
The invention discloses a phase angle detection tool, which comprises a positioning through hole in sliding fit with the main shaft of a camshaft so as to position the axis of the main shaft; a positioning key in fit with the positioning keyway of the camshaft; and a positioning pin used for being inserted into the positioning hole of a chain wheel. An included angle formed between the positioning pin and the positioning key is equal to a standard value of the phase angle of the camshaft. The difference between the diameter of the positioning pin and the diameter of the positioning hole is equal to a predetermined value. According to the technical scheme of the invention, the included angle formed between the positioning pin and the positioning key is equal to the standard value of the phase angle of the camshaft, and the difference between the diameter of the positioning pin and the diameter of the positioning hole is equal to the predetermined value. In this way, only when the phase angle of the to-be-detected camshaft meets the requirement, the positioning pin can be inserted into the positioning hole. During the actual usage process of the detection tool, whether the phase angle of the to-be-detected camshaft is qualified or not can be known through only judging whether the positioning pin can be inserted into the positioning hole or not. Therefore, by means of the phase angle detection tool, whether the phase angle of the camshaft meets the requirement or not can be quickly detected.
Description
Technical field
The present invention relates to machine tool technical field, more particularly, relate to a kind of phasing degree testing tool.
Background technology
Angle between the cam that the phasing degree of the cam on camshaft refers to and positioning spline, the detection at general phasing degree is all that the angled relationships between center by accurately determining positioning spline and the wheel point of cam obtains.Wherein one end of camshaft can be provided with sprocket wheel, and in order to assemble precisely, sprocket wheel is provided with pilot hole, and the angle wherein between pilot hole opposing cam is determined.
But in actual installation, in order to ensure the performance of the axle of cam, whether phasing degree is qualified very important.Because the location comparison of the distance keyway of cam is far away, add the shape of overhead cam, be difficult to the relative angular relationship measured accurately between cam and keyway.In order to Measurement accuracy phasing degree, in prior art, usually adopt baroque detector.The reasons such as the detection speed of detector is slow, not easy to operate, cause phasing degree testing cost high.
In sum, how effectively solving the problem that the phasing degree detection speed of camshaft is slow, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of phasing degree testing tool, this phasing degree testing tool can solve the slow problem of the phasing degree detection speed of camshaft effectively.
In order to achieve the above object, the invention provides following technical scheme:
A kind of phasing degree testing tool, comprising: by being slidably matched the positioning through hole of axis of positioning spindle with the main shaft of camshaft; The positioning key coordinated with the positioning spline of camshaft; For inserting the register pin in the pilot hole of sprocket wheel, described register pin is equal with the standard value at the phasing degree of camshaft with the angle of described positioning key, the diameter of described register pin and the different diameters predetermined value of pilot hole.
Preferably, comprise the main body being provided with described positioning through hole, described register pin is inserted in the mounting hole of described main body along the axis of described positioning through hole.
Preferably, described mounting hole is cylindrical hole.
Preferably, described main body is provided with the keyway be slidably matched with described positioning key, the sidewall of described keyway is provided with for stoping described positioning key to the boss of described positioning through hole axis movement.
Preferably, the sidewall of described positioning through hole is provided with opening along the axis of self, also comprises the locking member connecting described opening both sides opening's edge.
Preferably, described locking member is bolt.
Preferably, the sidewall of described positioning through hole is provided with the distortion groove of the Axis Extension along described positioning through hole
Provided by the invention in a kind of specific embodiment, present embodiments provide a kind of phasing degree testing tool, this phasing degree testing tool comprises positioning through hole, positioning key and register pin, wherein positioning through hole is by being slidably matched the axis of positioning spindle with the main shaft of camshaft, and wherein positioning key coordinates with the positioning spline of camshaft.Register pin for being inserted in the pilot hole of sprocket wheel, with whether can be inserted into by register pin judge pilot hole and positioning spline in pilot hole angle whether in allowed band, and then determine that the phasing degree of camshaft is whether in allowed band.
According to above-mentioned technical scheme, can know in the present invention, equal with the phasing degree of camshaft with positioning key angle by register pin, and the different diameters predetermined value of the diameter of register pin and pilot hole, make to only have when the phasing degree of camshaft to be measured meets the demands, register pin can be inserted in pilot hole.Concrete when detecting the phasing degree of camshaft, the main shaft of camshaft to be measured is inserted in positioning through hole, positioning key is matched with the positioning spline of camshaft, simultaneously in sliding process, when register pin can be inserted into pilot hole, then show that the angle of pilot hole and positioning spline meets the demands, namely the phasing degree of camshaft meets the demands; On the contrary, then show that the phasing degree of camshaft does not meet the demands.Phasing degree angular range is converted into pilot hole and determines the angular range of keyway by the present embodiment, and then can be measured by the difference of the diameter of register pin and pilot hole.So this phasing degree testing tool can detect whether the phasing degree of camshaft meets the demands fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the phasing degree testing tool that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 be phasing degree testing tool in Fig. 1 partly cut open structural representation.
Embodiment
The embodiment of the invention discloses a kind of phasing degree testing tool, with the problem that the phasing degree detection speed effectively solving camshaft is slow.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 2, the structural representation of the phasing degree testing tool that Fig. 1 provides for the embodiment of the present invention; Fig. 2 be phasing degree testing tool in Fig. 1 partly cut open structural representation.
In a kind of specific embodiment, present embodiments provide a kind of phasing degree testing tool, this phasing degree testing tool comprises positioning through hole, positioning key 3 and register pin 1, wherein positioning through hole is by being slidably matched the axis of positioning spindle with the main shaft of camshaft, the concrete axis determining main shaft to point offseted with locating shaft by least three on a certain xsect, this concrete positioning through hole can be positioning cylinder hole, and the aperture of this setting circle post holes is equal with the diameter of axle of main shaft.
Wherein positioning key 3 coordinates with the positioning spline of camshaft, namely coordinates to make this phasing degree testing tool cannot relative tested cam axle by positioning key 3 and the positioning spline of camshaft.The shape of this positioning key 3 should coordinate the keyway of camshaft to arrange, and specifically can adopt the assembling and positioning key 3 on camshaft, and shape and the locator meams of this concrete positioning key 3 all with reference to prior art, can not repeat them here.
Wherein register pin 1 is for being inserted in the pilot hole of sprocket wheel, the diameter of register pin 1 and the different diameters predetermined value of pilot hole, with whether can be inserted into by register pin 1 judge pilot hole and positioning spline in pilot hole angle whether in allowed band, and then determine that the phasing degree of camshaft is whether in allowed band.This concrete register pin 1 should meet the following conditions, register pin 1 should be equal with the phasing degree of camshaft with the angle of positioning key 3, the phasing degree of camshaft herein, refer to the intermediate value of this phasing degree allowed band value, the phasing degree of such as camshaft is 18 ° ± 30 ', then register pin 1 should be 18 degree with the angle of positioning key 3 herein.The concrete diameter of this register pin 1 and the different diameters predetermined value of pilot hole, this concrete predetermined value should ensure, along with the axis of pilot hole for axis circumferentially: when offseting near the side of positioning key 3 and the hole wall of pilot hole when register pin 1, the angle of this pilot hole and positioning spline is just in time the maximal value of permissible value, such as in the scope of such as upper angle, the value of measurement should be 18 ° 30 '; When register pin 1 offsets away from the side of positioning key 3 and the hole wall of pilot hole, the angle of this pilot hole and positioning spline is just in time the minimum value of permissible value, and such as, in the scope of such as upper angle, the value of measurement should be 17 ° 30 '.
In the present embodiment, equal with the phasing degree of camshaft with positioning key 3 angle by register pin 1, and the different diameters predetermined value of the diameter of register pin 1 and pilot hole, make to only have when the phasing degree of camshaft to be measured meets the demands, register pin 1 can be inserted in pilot hole.Concrete when detecting the phasing degree of camshaft, the main shaft of camshaft to be measured is inserted in positioning through hole, positioning key 3 is matched with the positioning spline of camshaft, simultaneously in sliding process, when register pin 1 can be inserted into pilot hole, then show that the angle of pilot hole and positioning spline meets the demands, namely the phasing degree of camshaft meets the demands; On the contrary, then show that the phasing degree of camshaft does not meet the demands.Phasing degree angular range is converted into pilot hole and the angular range determining keyway by the present embodiment, and then can be measured by the difference of register pin 1 with the diameter of pilot hole.So this phasing degree testing tool can detect whether the phasing degree of camshaft meets the demands fast.
Register pin 1 and positioning through hole are conveniently set, main body 2 can be provided with, positioning through hole is arranged on the body 2, and then by installing on the body 2 by register pin 1, determine the distance between register pin 1 and positioning through hole.Considering that the scope of the permissible value of different camshafts to be measured can be different, in order to enable this testing tool adapt to more camshaft, register pin 1 can be made to be inserted into the mounting hole of main body 2 along the axis of described positioning through hole.Be provided with the register pin 1 of multiple different size simultaneously, the register pin 1 of different size can be selected for different types of camshaft.So use register pin 1 and main body 2 grafting can improve the replaceability of register pin 1.Consider that being generally of register pin 1 is cylindrical, conveniently manufacture main body 2, main body 2 can be made for cylindrical hole, so also can facilitate the installation of register pin 1 and mounting hole.
Further, conveniently manufacture main body 2, positioning key 3 and main body 2 are set to integral piece, manufacturing process meeting more complicated, based on this, can make to be plugged in together between positioning key 3 and main body 2, namely can be provided with the keyway be slidably matched with keeper on the body 2.Wherein positioning key 3 can adopt the actual key used on camshaft.In order to prevent positioning key 3 from falling down, can be provided with for stoping positioning key 3 to the boss of the axis movement of positioning through hole at the sidewall of keyway, simultaneously should be corresponding on positioning key 3 lug boss is set, offset for boss.
Consider the reason of the scale error of the main shaft of camshaft, in order to make the axis of positioning through hole as much as possible near the axis of main shaft reality, can make the sidewall of positioning through hole that the axis of positioning through hole is provided with opening 5, the size of positioning through hole can be regulated by this opening 5.Also should be provided with the locking member 4 of connection opening 5 both sides opening's edge simultaneously, be regulated the size of opening 5 by locking member 4, and then regulate the size of positioning through hole further.Wherein locking member 4 can be bolt or screw.Conveniently operate and preferably make locking member be bolt.In order to the size of positioning through hole further can be changed, the distortion groove 6 of the Axis Extension along positioning through hole can be provided with at the sidewall of positioning through hole.Regulate opening 5 by the locking degree of locking member 4, the sidewall of positioning through hole can be made to be subject to distortion power, and then the notch of distortion groove 6 can be made to diminish, the diameter of positioning through hole is diminished.In order to ensure measuring accuracy, preferably make not to be provided with between positioning key 3 and register pin 1 to be out of shape groove 6, to avoid the angle value between deflection change positioning key 3 and register pin 1.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a phasing degree testing tool, is characterized in that, comprising:
By being slidably matched the positioning through hole of axis of positioning spindle with the main shaft of camshaft;
The positioning key coordinated with the positioning spline of camshaft;
For inserting the register pin in the pilot hole of sprocket wheel, described register pin is equal with the standard value at the phasing degree of camshaft with the angle of described positioning key, the diameter of described register pin and the different diameters predetermined value of pilot hole.
2. phasing degree according to claim 1 testing tool, is characterized in that, comprises the main body being provided with described positioning through hole, and described register pin is inserted in the mounting hole of described main body along the axis of described positioning through hole.
3. phasing degree according to claim 2 testing tool, is characterized in that, described mounting hole is cylindrical hole.
4. phasing degree according to claim 3 testing tool, is characterized in that, described main body is provided with the keyway be slidably matched with described positioning key, and the sidewall of described keyway is provided with for stoping described positioning key to the boss of described positioning through hole axis movement.
5. the phasing degree testing tool according to any one of claim 1-4, is characterized in that, the sidewall of described positioning through hole is provided with opening along the axis of self, also comprises the locking member connecting described opening both sides opening's edge.
6. phasing degree according to claim 5 testing tool, is characterized in that, described locking member is bolt.
7. phasing degree according to claim 6 testing tool, is characterized in that, the sidewall of described positioning through hole is provided with the distortion groove of the Axis Extension along described positioning through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778778.XA CN105258619B (en) | 2015-11-13 | 2015-11-13 | Phase angle detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778778.XA CN105258619B (en) | 2015-11-13 | 2015-11-13 | Phase angle detection instrument |
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| Publication Number | Publication Date |
|---|---|
| CN105258619A true CN105258619A (en) | 2016-01-20 |
| CN105258619B CN105258619B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510778778.XA Active CN105258619B (en) | 2015-11-13 | 2015-11-13 | Phase angle detection instrument |
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| Country | Link |
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| CN (1) | CN105258619B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595440A (en) * | 2016-12-21 | 2017-04-26 | 重庆市银钢通科技有限公司 | Angle detection device |
| CN108050918A (en) * | 2017-12-11 | 2018-05-18 | 重庆市银钢通科技有限公司 | A kind of angle detection device between locating slot and function trough for camshaft |
| CN114858036A (en) * | 2021-02-03 | 2022-08-05 | 江西同欣机械制造股份有限公司 | Camshaft semi-manufactured goods phase angle detects anchor clamps |
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| JP2009122047A (en) * | 2007-11-16 | 2009-06-04 | Ono Sokki Co Ltd | Angle detector |
| CN103063106A (en) * | 2012-12-24 | 2013-04-24 | 安徽华菱汽车有限公司 | Measuring tool and measuring method of cam shaft |
| CN203908535U (en) * | 2014-06-12 | 2014-10-29 | 神龙汽车有限公司 | Cam shaft keyway angle measuring device |
| CN205102753U (en) * | 2015-11-13 | 2016-03-23 | 重庆市银钢一通科技有限公司 | Instrument is detected at phase angle |
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2015
- 2015-11-13 CN CN201510778778.XA patent/CN105258619B/en active Active
Patent Citations (4)
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| JP2009122047A (en) * | 2007-11-16 | 2009-06-04 | Ono Sokki Co Ltd | Angle detector |
| CN103063106A (en) * | 2012-12-24 | 2013-04-24 | 安徽华菱汽车有限公司 | Measuring tool and measuring method of cam shaft |
| CN203908535U (en) * | 2014-06-12 | 2014-10-29 | 神龙汽车有限公司 | Cam shaft keyway angle measuring device |
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Non-Patent Citations (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595440A (en) * | 2016-12-21 | 2017-04-26 | 重庆市银钢通科技有限公司 | Angle detection device |
| CN106595440B (en) * | 2016-12-21 | 2021-02-02 | 重庆市银钢一通科技有限公司 | Angle detection device |
| CN108050918A (en) * | 2017-12-11 | 2018-05-18 | 重庆市银钢通科技有限公司 | A kind of angle detection device between locating slot and function trough for camshaft |
| CN114858036A (en) * | 2021-02-03 | 2022-08-05 | 江西同欣机械制造股份有限公司 | Camshaft semi-manufactured goods phase angle detects anchor clamps |
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| Publication number | Publication date |
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| CN105258619B (en) | 2018-12-14 |
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