CN206601093U - A kind of bent axle coaxiality of inner hole Quick detection tool - Google Patents

A kind of bent axle coaxiality of inner hole Quick detection tool Download PDF

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Publication number
CN206601093U
CN206601093U CN201621359862.4U CN201621359862U CN206601093U CN 206601093 U CN206601093 U CN 206601093U CN 201621359862 U CN201621359862 U CN 201621359862U CN 206601093 U CN206601093 U CN 206601093U
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China
Prior art keywords
section
bent axle
detection
aperture
inner hole
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CN201621359862.4U
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Chinese (zh)
Inventor
卢鹏
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Chongqing Meixin Yingshen Machinery Co Ltd
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Chongqing Meixin Yingshen Machinery Co Ltd
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Priority to CN201621359862.4U priority Critical patent/CN206601093U/en
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Abstract

The utility model discloses a kind of bent axle coaxiality of inner hole Quick detection tool, it is characterised in that:Including detection set (1), detection set (1) endoporus is stepped hole, and the stepped hole is made up of big hole section (11) and aperture section (12);Detection bar (2), the detection bar (2) is by the lever piece diminished paragraph by paragraph (21), positioning section (22) and detection section (23) Step Shaft for being constituted, positioning section (22) external diameter matches with the aperture section (12) aperture, and positioning section (22) axial length is less than or equal to aperture section (12) depth.Utility model has simple to operate, can rapidly and accurately detect bent axle coaxiality of inner hole.

Description

A kind of bent axle coaxiality of inner hole Quick detection tool
Technical field
The utility model is related to a kind of tractor crankshaft technical field, and more particularly to a kind of bent axle coaxiality of inner hole is quickly examined Tool.
Background technology
But the need for the existing Product processing according to compressor crank shaft, workpiece need to be ensured in process.Due to the client It is high to the bent axle required precision and the detection frequency is more.And existing cubing can not still meet bent axle coaxiality of inner hole and quickly require, one The individual piece test cycle is long, typically at least 10 minutes, and also there is complex operation, high to human users' skill set requirements, causes flower It is time-consuming more, there is the defects such as inefficiency.
Utility model content
In view of above-mentioned one or more defects of prior art, the utility model provides a kind of bent axle coaxiality of inner hole Quick detection tool, it is simple to operate, it can rapidly and accurately detect bent axle coaxiality of inner hole.
To achieve the above object, the utility model provides a kind of bent axle coaxiality of inner hole Quick detection tool, it is characterised in that: Including detection set (1), detection set (1) endoporus is stepped hole, and the stepped hole is made up of big hole section (11) and aperture section (12);Inspection Measuring staff (2), the detection bar (2) is by the lever piece diminished paragraph by paragraph (21), positioning section (22) and detection section (23) platform for being constituted Rank axle, positioning section (22) external diameter matches with the aperture section (12) aperture, positioning section (22) axial length be less than or Equal to aperture section (12) depth.
Further, it is provided with annular knurl on lever piece (21) outer wall.
Further, it is provided with annular knurl on described detection set (1) outer wall.
Further, the annular groove (221) of exhaust is offered on positioning section (22) root.
Further, the big hole section (11) and aperture section (12) axiality are 0.008mm.
Further, the positioning section (22) and detection section (23) axiality are 0.005mm.
Further, the outer aperture of the big hole section (11) is rounded down or chamfering.
Further, aperture is rounded down or chamfering inside and outside the aperture section (12).
Further, described detection section (23) top is rounded down or chamfering.
The beneficial effects of the utility model are:
Firstth, this cubing low manufacture cost, adjustment and simple to operate understandable and service life is longer, have saved and have detected into This;
Secondth, this cubing accuracy of detection is higher, more can guarantee that precision and the high requirement of detection frequency;Be conducive to quality control With find production process in it is bad, it is workable.
3rd, when this cubing is detected, bent axle is cylindrical, and internal diameter and its axiality once-through operation can complete required detection, soon Speed detection, is not required to numerical value and reads and calculate, a part is only needed several seconds, beneficial to batch detection.
Brief description of the drawings
Fig. 1 is the structural representation of this bent axle
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of detection set.
Fig. 4 is the structural representation of detection bar.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Referring to Fig. 2-4, a kind of bent axle coaxiality of inner hole Quick detection tool, including detection set 1, it is step that the detection, which covers 1 endoporus, Hole, the stepped hole is made up of big hole section 11 and aperture section 12;Detection bar 2, the detection bar 2 be by diminish paragraph by paragraph lever piece 21, The Step Shaft that positioning section 22 and detection section 23 are constituted, the external diameter of positioning section 22 matches with the aperture of aperture section 12, should The axial length of positioning section 22 is less than or equal to the depth of aperture section 12.
Wherein, annular knurl is provided with the outer wall of lever piece 21, its annular knurl can use straight burr or reticulate pattern.Preferably, Modulus m takes 0.3 or 0.4.In operation, the annular knurl on the lever piece 21 has increase frictional force and anti-skidding effect.
Wherein, annular knurl is provided with 1 outer wall of the detection set, its annular knurl can use straight burr or reticulate pattern.Preferably, mould Number m takes 0.3 or 0.4.In operation, the annular knurl on detection set 1 has increase frictional force and anti-skidding effect.
Wherein, the annular groove 221 of exhaust, the detection bar 2 insertion detection set 1 are offered on the root of positioning section 22 When interior, the annular groove 221 is easy to discharge gas, increases air flow channel effective cross-section, can reduce air drag, can fast and easy Insertion.
Wherein, the big hole section 11 and the axiality of aperture section 12 are 0.008mm.
Wherein, the positioning section 22 and detection section 23 axiality are 0.005mm.
Wherein, the outer aperture of the big hole section 11 is rounded down or chamfering;Aperture is rounded down inside and outside the aperture section 12 Or chamfering;Detection section 23 top is rounded down or chamfering.
Referring to Fig. 1, the bent axle 3 detected in its figure for this cubing, during the lower shaft end 31 of the bent axle 3 is bar portion, the bar portion The heart offers the endoporus 32 of axiality requirement.
This bent axle coaxiality of inner hole detection method has two kinds:
The first, the detection bar 2 is inserted on detection set 1 until on earth, making detection cover 1 end face and the step surface of detection bar 2 Be adjacent to, now the positioning section 22 and the location fit of aperture section 12 and coaxially position, and big hole section 11 and aperture section 12 are coaxial and fixed Position section 22 and detection section 23 are coaxial;Accordingly ensure that the axiality between big hole section 11 and detection section 23;Then can be by treating song Whether the lower shaft end of axle 3 can be inserted in detection section 23 and big hole section 11 simultaneously, to judge whether it is qualified.This mode can determine whether:The One, it can determine whether that its bent axle lower shaft end endoporus size is by detecting in the whether interior inserting detection section 23 of bent axle lower shaft end endoporus It is no qualified;Second, whether the lower shaft end of bent axle 3 can be inserted in the big hole section 11, can determine whether that the lower shaft end external diameter size of bent axle 3 is Whether the no qualified and lower shaft end external diameter of bent axle 3 and coaxiality of inner hole are qualified.
Second, first detection set 1 set survey bent axle lower shaft end, detect bent axle lower shaft end external diameter it is whether qualified (it is such as unqualified, Directly detected without next step), if qualified, the bent axle lower shaft end can be inserted in detection set 1 and can be attached to the platform of stepped hole On terrace, then by carrying out detection judgement in the insertion detection of detection bar 2 set 1, by the way that the detection can be made to cover 1 end face and detection The step surface of bar 2 is adjacent to, to judge whether bent axle is qualified.This mode can determine whether:First, can be by whether detecting bent axle lower shaft end On the step surface that detection 1 stepped hole of set can be attached to, to judge whether the lower shaft end external diameter size of bent axle 3 is qualified;Second, inspection can be passed through Can whether measuring staff 2 can insert in detection set 1 and be adjacent to the detection 1 end face of set and the step surface of detection bar 2, can determine whether the song Whether whether the lower shaft end endoporus size of axle 3 qualified qualified with the lower shaft end external diameter of bent axle 3 and coaxiality of inner hole.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area Member just can make many modifications and variations without creative work according to design of the present utility model.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.

Claims (9)

1. a kind of bent axle coaxiality of inner hole Quick detection tool, it is characterised in that:Including detection set (1), detection set (1) endoporus is platform Rank hole, the stepped hole is made up of big hole section (11) and aperture section (12);
Detection bar (2), the detection bar (2) is by the lever piece diminished paragraph by paragraph (21), positioning section (22) and detection section (23) institute group Into Step Shaft, positioning section (22) external diameter matches with the aperture section (12) aperture, positioning section (22) axial length Less than or equal to aperture section (12) depth.
2. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:The lever piece (21) is outside Annular knurl is provided with wall.
3. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:The detection set (1) is outside Annular knurl is provided with wall.
4. a kind of bent axle coaxiality of inner hole Quick detection tool as any one of claim 1-3, it is characterised in that:It is described fixed The annular groove (221) of exhaust is offered on section (22) root of position.
5. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:The big hole section (11) with Aperture section (12) axiality is 0.008mm.
6. a kind of bent axle coaxiality of inner hole Quick detection tool as described in any in claim 1-3, it is characterised in that:The positioning Section (22) and detection section (23) axiality are 0.005mm.
7. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:The big hole section (11) is outside Aperture is rounded down or chamfering.
8. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:In the aperture section (12) Outer aperture is rounded down or chamfering.
9. a kind of bent axle coaxiality of inner hole Quick detection tool as claimed in claim 1, it is characterised in that:Detection section (23) top End is rounded down or chamfering.
CN201621359862.4U 2016-12-12 2016-12-12 A kind of bent axle coaxiality of inner hole Quick detection tool Active CN206601093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621359862.4U CN206601093U (en) 2016-12-12 2016-12-12 A kind of bent axle coaxiality of inner hole Quick detection tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621359862.4U CN206601093U (en) 2016-12-12 2016-12-12 A kind of bent axle coaxiality of inner hole Quick detection tool

Publications (1)

Publication Number Publication Date
CN206601093U true CN206601093U (en) 2017-10-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110160430A (en) * 2019-06-27 2019-08-23 上海华力微电子有限公司 A kind of detection method and detection device of concentricity
CN110319755A (en) * 2019-08-16 2019-10-11 锋宏机械制造集团有限公司 A kind of coaxiality check fixture
CN111238333A (en) * 2020-02-25 2020-06-05 中国航发南方工业有限公司 Coloring gauge and coloring inspection method for flow channel surface at inner coating of casing of air compressor
CN112484613A (en) * 2020-11-30 2021-03-12 北京航星机器制造有限公司 Coaxiality and symmetry detection method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110160430A (en) * 2019-06-27 2019-08-23 上海华力微电子有限公司 A kind of detection method and detection device of concentricity
CN110319755A (en) * 2019-08-16 2019-10-11 锋宏机械制造集团有限公司 A kind of coaxiality check fixture
CN111238333A (en) * 2020-02-25 2020-06-05 中国航发南方工业有限公司 Coloring gauge and coloring inspection method for flow channel surface at inner coating of casing of air compressor
CN112484613A (en) * 2020-11-30 2021-03-12 北京航星机器制造有限公司 Coaxiality and symmetry detection method
CN112484613B (en) * 2020-11-30 2023-02-28 北京航星机器制造有限公司 Coaxiality and symmetry detection method

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