CN102506675A - Coaxiality detecting method of large-span holes - Google Patents
Coaxiality detecting method of large-span holes Download PDFInfo
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- CN102506675A CN102506675A CN2011103136758A CN201110313675A CN102506675A CN 102506675 A CN102506675 A CN 102506675A CN 2011103136758 A CN2011103136758 A CN 2011103136758A CN 201110313675 A CN201110313675 A CN 201110313675A CN 102506675 A CN102506675 A CN 102506675A
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Abstract
The invention discloses a coaxiality detecting method of large-span holes. The coaxiality detecting method comprises two processes: 1) when the inner diameter size of each workpiece hole and the outer diameter size of each shaft conform to tolerance and fit, and the shafts penetrate into the workpiece holes, are rotated to lead processing surfaces to be positioned at horizontal positions and adopt a frame-type level meter for detection; simultaneously, a theodolite is used for detecting the height difference of the processing surfaces on the shafts at the two sides of the workpiece holes, and then the height difference of the holes in the distance is obtained; powder lines are threaded, the two ends of the powder lines are positioned on the central scribed lines marked on the processing surfaces, the deviation of the workpiece holes is obtained by detecting the deviation of all the center scribed lines and the powder lines on the processing surfaces, and the coaxiality error of the workpiece holes is obtained by measured results; and 2) when the difference between the inner diameter size of each workpiece hole and the outer diameter size of each shaft is larger, transition sleeves penetrate into the workpiece holes firstly to transit, then the shafts penetrate into the transition sleeves, and then according to the steps, the coaxiality error of the workpiece holes is obtained. According to the coaxiality detecting method, the tooling structure is simple and the operation is easy.
Description
Technical field
The invention belongs to structural member manufacturing technology field, relate to a kind of big span hole right alignment detection method.
Background technology
The processing centering in big span hole is the technical barrier in the structural member manufacturing process all the time, particularly in oil-well rig base production run, and big span hole ubiquity, the right alignment in big span hole is difficult to accurate detection.How to detect the whole machining precision in this type of hole effectively, enhance productivity, guarantee that product quality is the problem that the utmost point need solve.
Summary of the invention
The purpose of this invention is to provide a kind of big span hole right alignment detection method, solved the problem that the right alignment in big span hole is difficult to accurate detection in the prior art.
The technical scheme that the present invention adopted is, a kind of big span hole right alignment detection method comprises two kinds of methods,
First kind of implementation method is:
When the workpiece hole internal diameter size meets tolerance fit with the axle outside dimension,
Axle is penetrated in the workpiece hole, and rotation axis makes the processing plane on its outside surface be positioned at horizontal level, detects with frame level; Difference in height with processing plane on transit detection workpiece hole two side shafts promptly gets the difference in height of portalling in this segment distance simultaneously;
Wear chalk line; Making the chalk line two ends be positioned at the axle outside goes up on the center groove of processing plane mark; Through detecting on the axle processing plane deviation that center groove and the deviation of chalk line everywhere promptly draw workpiece hole, the measurement result more than comprehensive promptly draws the coaxiality error of workpiece hole.
First kind of implementation method is:
When the internal diameter size of workpiece hole differs big with the axle outside dimension,
Earlier spacer shell is penetrated workpiece hole and carries out transition, the outside dimension of spacer shell and workpiece hole internal diameter size meet the internal diameter size that cooperates requirement, spacer shell with spool outside dimension meet and cooperate requirement,
Axle is penetrated in the spacer shell, rotation axis makes the processing plane on its outside surface be positioned at horizontal level, detects with frame level again; Difference in height with processing plane on transit detection workpiece hole two side shafts promptly gets the difference in height of portalling in this segment distance simultaneously;
Wear chalk line; Making the chalk line two ends be positioned at the axle outside goes up on the center groove of processing plane mark; Through detecting on the axle processing plane deviation that center groove and the deviation of chalk line everywhere promptly draw workpiece hole, the measurement result more than comprehensive promptly draws the coaxiality error of workpiece hole.
The invention has the beneficial effects as follows that structure and manufacturing process are simple, adopt the shaft hollow structure that frock weight is alleviated greatly; Adopt the conical end capitiform formula at axle two ends, make an easy accessibility, and safe and reliable; Through changing the workpiece that different spacer shells can satisfy the different size hole, enlarged the scope of application of axle, economical and practical, use comparatively easy instrument to solve the problem of the right alignment that detects big span hole.
Description of drawings
Fig. 1 is the radial section synoptic diagram of the axle that uses in the inventive method;
Fig. 2 is the transverse sectional view of the axle that uses in the inventive method;
Radial section synoptic diagram when Fig. 3 is used with spacer shell for the axle in the inventive method;
Fig. 4 is the transverse sectional view of the axle in the inventive method when being used with spacer shell.
Among the figure, 1. spool, 2. spacer shell, 3. processing plane.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Big span of the present invention hole right alignment detection method depends on a kind of centering testing tool, comprises axle 1, perhaps also comprises spacer shell 2.
With reference to Fig. 1, Fig. 2; Axle 1 is set to hollow or solid construction according to the internal diameter size, and axle 1 radially-outer surface has a processing plane 3, on the processing plane 3 of axle 1 the center groove is arranged; Axle 1 two ends cylindrical radial section is a pyramidal structure, and axle 1 outside dimension is littler and tolerance control arranged than workpiece ear seat hole dimension.
With reference to Fig. 3, Fig. 4, the outside dimension of spacer shell 2 is littler than workpiece hole size, and both have tolerance control; The internal diameter size of spacer shell 2 is bigger than axle 1 maximum outside diameter size, and both have tolerance control, and spacer shell 2 according to circumstances uses 1-3, is installed in equidistant position in the workpiece hole respectively.
When axle 1 is used with spacer shell 2; Processing plane 3 and symmetrical center line (drawing at the axis of Fig. 1) are arranged on axle 1; With axle 1 or with after spacer shell 2 penetrates workpiece hole together,, can check out the right alignment and the difference in height of workpiece hole through processing plane 3 and the symmetrical center line on the inspection axle 1.
The inventive method divides two kinds of situation to implement:
Mode 1: (tolerance is different when the workpiece hole internal diameter size is identical with axle 1 outside dimension; The size of axle 1 is littler than the size of workpiece hole); Directly axle 1 is penetrated in the workpiece hole, rotation axis 1 makes the processing plane 3 on its outside surface be positioned at horizontal level, detects with frame level;
The difference in height that detects processing plane 3 on workpiece hole two side shafts 1 with transit simultaneously get final product the difference in height in this segment distance of portalling;
Wear chalk line; The chalk line two ends are positioned on the center groove of processing plane 3 marks on axle 1 outside; Through detecting on axle 1 processing plane 3 deviation that center groove and the deviation of chalk line everywhere can draw workpiece hole, the measurement result more than comprehensive promptly draws the coaxiality error of workpiece hole.
Mode 2: when the internal diameter size and axle 1 outside dimension of workpiece hole differ big; Earlier spacer shell 2 is penetrated workpiece hole and carry out transition to satisfy axle 1 outside dimension requirement; The outside dimension of spacer shell 2 and workpiece hole internal diameter size meet and cooperate requirement, internal diameter size also to meet with the outside dimension of axle 1 to cooperate requirement, and it is said identical with mode 1 that all the other detect steps.
The inventive method detects needs through the spacer shell 2 of changing various outer diameter to satisfy the different size hole workpiece, and applicability is more intense.
Right alignment detection method of the present invention, the tool structure of employing is simple, and production cost is very little, easily manufactured, easy operating, safe and reliable, high efficiency.
Claims (2)
1. big span hole right alignment detection method, its characteristics are that this method is implemented according to following steps:
When workpiece hole internal diameter size and axle (1) when outside dimension meets tolerance fit,
Axle (1) is penetrated in the workpiece hole, and rotation axis (1) makes the processing plane (3) on its outside surface be positioned at horizontal level, detects with frame level; Difference in height with the last processing plane (3) of transit detection workpiece hole two side shafts (1) promptly gets the difference in height of portalling in this segment distance simultaneously;
Wear chalk line; The chalk line two ends are positioned on the center groove of processing plane (3) mark on axle (1) outside; Through detecting on axle (1) processing plane (3) deviation that center groove and the deviation of chalk line everywhere promptly draw workpiece hole, the measurement result more than comprehensive promptly draws the coaxiality error of workpiece hole.
2. big span hole right alignment detection method, its characteristics are that this method is implemented according to following steps:
When the internal diameter size of workpiece hole differs big with axle (1) outside dimension,
Earlier spacer shell (2) is penetrated workpiece hole and carry out transition, the outside dimension of spacer shell (2) and workpiece hole internal diameter size meet the internal diameter size that cooperates requirement, spacer shell (2) and meet with the outside dimension of spool (1) and cooperate requirement,
Axle (1) is penetrated in the spacer shell (2), rotation axis (1) makes the processing plane (3) on its outside surface be positioned at horizontal level, detects with frame level again; Difference in height with the last processing plane (3) of transit detection workpiece hole two side shafts (1) promptly gets the difference in height of portalling in this segment distance simultaneously;
Wear chalk line; The chalk line two ends are positioned on the center groove of processing plane (3) mark on axle (1) outside; Through detecting on axle (1) processing plane (3) deviation that center groove and the deviation of chalk line everywhere promptly draw workpiece hole, the measurement result more than comprehensive promptly draws the coaxiality error of workpiece hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103136758A CN102506675A (en) | 2011-10-17 | 2011-10-17 | Coaxiality detecting method of large-span holes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103136758A CN102506675A (en) | 2011-10-17 | 2011-10-17 | Coaxiality detecting method of large-span holes |
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| CN102506675A true CN102506675A (en) | 2012-06-20 |
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| CN2011103136758A Pending CN102506675A (en) | 2011-10-17 | 2011-10-17 | Coaxiality detecting method of large-span holes |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990238A (en) * | 2012-11-22 | 2013-03-27 | 宝鸡石油机械有限责任公司 | Manufacture method of large span group-hole member |
| CN103486951A (en) * | 2013-10-14 | 2014-01-01 | 南车洛阳机车有限公司 | Device for detecting coaxiality of main shaft hole and large oil seal hole of diesel engine block |
| CN103743326A (en) * | 2012-11-13 | 2014-04-23 | 德州华海石油机械有限公司 | Tooling for measuring longer workpiece with a plurality of coaxial holes |
| CN103954207A (en) * | 2014-04-23 | 2014-07-30 | 武汉钢铁集团湖北华中重型机械制造有限公司 | Method for detecting product coaxiality of medium and large step type rotating member |
| CN104596404A (en) * | 2015-01-26 | 2015-05-06 | 哈尔滨飞机工业集团有限责任公司 | Connector hole coaxial error detection tool and method |
| CN105486207A (en) * | 2015-10-10 | 2016-04-13 | 南京七四二五橡塑有限责任公司 | Conical surface coaxiality measuring instrument |
| CN106441047A (en) * | 2016-10-20 | 2017-02-22 | 青岛华瑞汽车零部件股份有限公司 | Long-distance hole coaxiality detection device and use method thereof |
| CN114310230A (en) * | 2022-01-10 | 2022-04-12 | 中国人民解放军国防科技大学 | Virtual long shaft self-adaptive assembly system and method |
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| US3882608A (en) * | 1974-01-16 | 1975-05-13 | Zero Gage Co | Differential-probe hole-location or concentricity gauge |
| CN201104210Y (en) * | 2007-07-13 | 2008-08-20 | 宝鸡石油机械有限责任公司 | Instrument for large span hole coaxiality detection |
| CN201707026U (en) * | 2010-06-30 | 2011-01-12 | 重庆长安汽车股份有限公司 | Detection bolt for vehicle body stamping part check tool |
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2011
- 2011-10-17 CN CN2011103136758A patent/CN102506675A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882608A (en) * | 1974-01-16 | 1975-05-13 | Zero Gage Co | Differential-probe hole-location or concentricity gauge |
| CN201104210Y (en) * | 2007-07-13 | 2008-08-20 | 宝鸡石油机械有限责任公司 | Instrument for large span hole coaxiality detection |
| CN201707026U (en) * | 2010-06-30 | 2011-01-12 | 重庆长安汽车股份有限公司 | Detection bolt for vehicle body stamping part check tool |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743326A (en) * | 2012-11-13 | 2014-04-23 | 德州华海石油机械有限公司 | Tooling for measuring longer workpiece with a plurality of coaxial holes |
| CN102990238A (en) * | 2012-11-22 | 2013-03-27 | 宝鸡石油机械有限责任公司 | Manufacture method of large span group-hole member |
| CN102990238B (en) * | 2012-11-22 | 2015-04-08 | 宝鸡石油机械有限责任公司 | Manufacture method of large span group-hole member |
| CN103486951B (en) * | 2013-10-14 | 2015-11-25 | 南车洛阳机车有限公司 | The axiality detection device of diesel-engine body spindle hole and large oil sealing hole |
| CN103486951A (en) * | 2013-10-14 | 2014-01-01 | 南车洛阳机车有限公司 | Device for detecting coaxiality of main shaft hole and large oil seal hole of diesel engine block |
| CN103954207A (en) * | 2014-04-23 | 2014-07-30 | 武汉钢铁集团湖北华中重型机械制造有限公司 | Method for detecting product coaxiality of medium and large step type rotating member |
| CN103954207B (en) * | 2014-04-23 | 2016-08-24 | 武汉钢铁集团湖北华中重型机械制造有限公司 | A kind of detection method of big-and-middle-sized staged revolving meber product axiality |
| CN104596404A (en) * | 2015-01-26 | 2015-05-06 | 哈尔滨飞机工业集团有限责任公司 | Connector hole coaxial error detection tool and method |
| CN104596404B (en) * | 2015-01-26 | 2017-09-12 | 哈尔滨飞机工业集团有限责任公司 | A kind of nipple orifice coaxial error detection instrument and detection method |
| CN105486207A (en) * | 2015-10-10 | 2016-04-13 | 南京七四二五橡塑有限责任公司 | Conical surface coaxiality measuring instrument |
| CN106441047A (en) * | 2016-10-20 | 2017-02-22 | 青岛华瑞汽车零部件股份有限公司 | Long-distance hole coaxiality detection device and use method thereof |
| CN114310230A (en) * | 2022-01-10 | 2022-04-12 | 中国人民解放军国防科技大学 | Virtual long shaft self-adaptive assembly system and method |
| CN114310230B (en) * | 2022-01-10 | 2022-11-08 | 中国人民解放军国防科技大学 | Virtual long shaft self-adaptive assembly system and method |
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Application publication date: 20120620 |