CN103278111A - Hole linearity detecting device with liquid plastics - Google Patents
Hole linearity detecting device with liquid plastics Download PDFInfo
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- CN103278111A CN103278111A CN2013101712719A CN201310171271A CN103278111A CN 103278111 A CN103278111 A CN 103278111A CN 2013101712719 A CN2013101712719 A CN 2013101712719A CN 201310171271 A CN201310171271 A CN 201310171271A CN 103278111 A CN103278111 A CN 103278111A
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Abstract
The invention belongs to the technical field of hole type part linearity detection and particularly relates to a hole linearity detecting device with liquid plastics, which solves the problem that a mature product used for detecting the deep hole axial line linearity deviation does not exist in the prior art. The hole linearity detecting device with the liquid plastics comprises a pull rod, a first wedge-shaped body, a second wedge-shaped body, a sleeve tube, liquid plastics, a measuring head main body, an elastic sleeve, a displacement position sensitive detector, an inner laser emitter, a rotation angle position sensitive detector and an outer laser emitter, wherein a radial through hole is formed in the measuring head main body, the elastic sleeve is sheathed outside the radial through hole, the liquid plastics are arranged in the radial through hole, and the outer end surface of the measuring head main body is fixedly provided with the inner laser emitter and the displacement position sensitive detector. The hole linearity detecting device has the advantages that the characteristics of wedge-shaped automatic centering and liquid plastics are combined, the structure is simple, the cost is low, the use is convenient, and the whole-process dynamic detection of micro-displacement changes and micro-rotation angle changes of the practical axial line relative to the theoretical axial line can be realized.
Description
Technical field
The invention belongs to the technical field that the hole type parts linearity detects, specifically is a kind of hole linearity testing apparatus with liquid plastics.
Background technology
Deep hole machining is complicated and special, be difficult to observe working position and cutter situation, process is subjected to the influence such as many-sided factors such as knife bar distortion, system's flutter, workpiece material, bit parameter, cutting parameter, oil liquid pressure, chip removal difficulties, the phenomenon of axis deviation often appears in the deep hole part, in case deflect into to a certain degree, the straightness error of deep hole axis of workpiece will produce sharply and change, and cause adverse consequencess such as drill bit damage, workpiece are scrapped, the product precision is low, off quality.Because deep hole machining is served equipment manufacture industry, the quality of deep hole workpiece directly influences the development of equipment manufacture, has also limited the space of deep hole to the other field expansion.
Linearity detects in whole deep hole machining process, is the important means of deep hole field control product quality, and the part that linearity is good also can make self has given play to maximum performance when being used with other parts, improve the general assembly precision.Linearity be deep hole machining must consider a basic index, for hole type parts, usually said linearity refers to that the actual axis of part is with respect to the deviation of theoretical axis.In the deep hole industry, axis deviation shows as actual axis with respect to the change of theoretical axis generation micrometric displacement or the change of little corner.
Constantly deepen in the research aspect the detection of deep hole linearity and the deviation correcting technology both at home and abroad, but other metering projects relatively, the linearity detection technique seems backward, especially show greatly enhancing workpiece hole axis verticality context of detection, up to the present, still be not used in the matured product that detects deep hole axis verticality deviation.In the reality, the master worker is often by judging the linearity quality with slide calliper rule in the method for the two ends in hole along Different Diameter to the orientation measurement wall thickness, this method can not record the inner misalignment of axe of deep hole, also namely can not realize the omnidistance detection of dynamic continuously to deep hole part straight-line degree, very not accurate, the mistaken ideas that are absorbed in putting general face easily.And some laser linearity detecting instruments can not realize detecting simultaneously the function that micrometric displacement changes and little corner changes.
Axis deviation seriously restricts the quality of hole type parts, improves deep hole linearity detection technique level, for the deep hole machining process provides reference frame, and then improves the deep hole part quality, promotes the lifting of equipment manufacture level.Therefore, a kind of deep hole linearity detecting instrument that can detect micrometric displacement change and the change of little corner simultaneously of research seems particularly important.
Summary of the invention
The present invention aims to provide a kind of laser technology and actual axis of the omnidistance detection of dynamic deep hole of Position-Sensitive Detector of utilizing with respect to the micrometric displacement of theoretical axis and the device of little corner variation.This device is by the change calculations of hot spot on the Position-Sensitive Detector axis straightness error value of portalling.
The present invention adopts following technical scheme to realize:
A kind of hole linearity testing apparatus with liquid plastics, it is characterized in that comprising: pull bar, sphenoid, wedge shape part, sleeve, liquid plastics, gauge head main body, resilient sleeve, displaced position sensing detector, inner laser transmitter, angle position sensing detector and outer generating laser
One end of sleeve is connected with the gauge head main body, and an end of pull bar is connected with stay cord, and the sphenoid within the other end of pull bar penetrates barrel bore and is arranged at barrel bore is connected; Be with the wedge shape part of its slip relatively on the inclined-plane of sphenoid, the wedge shape part passes sleeve and traversing through end is equipped with the roller that can contact with inner walls of deep holes.Have radial direction through hole on the gauge head main body, the resilient sleeve that radial direction through hole is with salable radial direction through hole outward and contacts with inner walls of deep holes is provided with liquid plastics in the radial direction through hole,
Fixedly there are inner laser transmitter and displaced position sensing detector in gauge head main body outer face, angle position sensing detector and outer generating laser are fixedly mounted on the support, the angle position sensing detector receives the light that the inner laser transmitter sends, the displaced position sensing detector receives the light that outer generating laser sends, and the angle position sensing detector links to each other with computer system by A/D converter with the displaced position sensing detector.
The other end of sleeve connects end cap, establishes annular protrusion on the pull bar, and annular protrusion is stuck between end cap and the sleeve, and pull bar is threaded with sphenoid.
Be provided with pedestal between resilient sleeve and the gauge head main body, the radial direction through hole position of the corresponding gauge head main body of pedestal also has through hole, the perforate of gauge head main body axis direction is communicated with radial direction through hole, the nose end in axis direction hole arranges set screw, set screw the inner arranges pressure part, liquid plastics is sealed between pressure part, gauge head main body, resilient sleeve and the pedestal, and gauge head main body outer face connects panel and is used for installing inner laser transmitter and displaced position sensing detector.
Outer its direction of motion of distribution of sphenoid has fluting, and the position of corresponding sphenoid fluting is provided with position-limitting pin on the sleeve.
Described roller circumferentially evenly distributes along sleeve, quantity be three or more than.
The wedge shape part is provided with the pin that prevents that it from coming off from sleeve.
On the described pull bar draw ring is set, draw ring connects stay cord, and stay cord is walked around fixed pulley and connected cylinder, and cylinder connects spool, and spool connects motor.
The present invention compared with prior art has following beneficial effect:
The present invention integrates mechanical, electrical, light, adopt laser technology and Position-Sensitive Detector, combine the characteristics of wedge shape self-centering and liquid plastics, simple in structure, with low cost, easy to use, can realize that the actual axis of omnidistance detection of dynamic deep hole changes and the variation of little corner with respect to the micrometric displacement of theoretical axis, making and the deep hole part is carried out means that linearity detects be tending towards height and refine, is the important breakthrough on the deep hole detection technique.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: 1-deep hole part, 3-sleeve, 4-sphenoid, 5-position-limitting pin, the 6-axial bolt, 7-radial screw, 8-resilient sleeve, 9-pedestal, the 10-panel, 11-packing ring, 12-inner laser transmitter, 13-set screw, the 14-pressure part, 15-displaced position sensing detector, 16-liquid plastics, 17-gauge head main body, the 18-pull bar, 19-roller, 20-wedge shape part, 21-pin, the 22-screw, 23-end cap, 24-draw ring, the 25-stay cord, 26-motor, 27-spool, the 28-cylinder, 29-fixed pulley, 30-angle position sensing detector, the 31-support, 32-computer system, 33-1 light, 34-2 light, the outer generating laser of 35-, 36-A/D converter.
Embodiment
By reference to the accompanying drawings embodiments of the present invention are further described, present embodiment is to illustrate of the present inventionly, rather than the present invention is done any restriction.
A kind of hole linearity testing apparatus with liquid plastics comprises: pull bar 18, sphenoid 4, wedge shape part 20, panel 10, end cap 23, sleeve 3, liquid plastics 16, gauge head main body 17, resilient sleeve 8, displaced position sensing detector 15, inner laser transmitter 12, angle position sensing detector 30 and outer generating laser 35.
One end of sleeve 3 is connected by axial bolt 6 with gauge head main body 177, and an end of pull bar 18 is connected with stay cord 25, and the sphenoid 4 within the other end of pull bar 18 penetrates sleeve 3 inner chambers and is arranged at barrel bore is connected; Be with the wedge shape part 20 of its slip relatively on the inclined-plane of sphenoid 4, tilt to contact between wedge shape part 20 and the sphenoid 4, oblique angle control is between 10o-80o, wedge shape part 20 passes sleeve and traversing through end is equipped with the roller 19 that can contact with inner walls of deep holes, the other end of sleeve 3 connects end cap 23, and end cap 23 is anchored on sleeve 3 left sides by screw 22, establishes annular protrusion on the pull bar 18, annular protrusion is stuck between end cap 23 and the sleeve 3, and pull bar 18 is threaded with sphenoid 4.Sphenoid 4 its direction of motion of outer distribution have fluting, and the position of corresponding sphenoid 4 flutings is provided with position-limitting pin 5 on the sleeve 3.Wedge shape part 20 is provided with and prevents its pin that comes off 21 from sleeve 3, guarantees that the wedge shape part can not come off from sleeve, and pin can be common pin, also can be spring pin.Roller 19 contact with the hole wall of deep hole part 1 along circumferentially distributing, can be around self axle rotation, quantity be three or more than.Roller 19 can rotate around self axle, when making device work, for rolling friction, is conducive to reduce frictional resistance between the hole inwall of roller and deep hole part 1, improves accuracy of detection.End cap 23 is fixed in sleeve 3 left sides, blocks the stepped portion of pull bar 18, and rotating rod 18 left end pair rollers are adjusted, rotation set screw 13 pairs of resilient sleeve 8 are adjusted, treat that roller and resilient sleeve mix up after, draw draw ring 24, device integral body is moved to left, realize detecting.
Sphenoid 4 can be that face contacts with contact form between the wedge shape part 20, also can be the line contact.
Have radial direction through hole on the gauge head main body 17, the resilient sleeve 8 that radial direction through hole is with salable radial direction through hole outward and contacts with inner walls of deep holes is provided with liquid plastics 16 in the radial direction through hole.Be provided with pedestal 9 between resilient sleeve 8 and the gauge head main body 17, the radial direction through hole position of pedestal 9 corresponding gauge head main bodys 17 also has through hole, the 17 axis direction perforates of gauge head main body are communicated with radial direction through hole, the nose end in axis direction hole arranges set screw 13, set screw 13 the inners arrange pressure part 14, liquid plastics 16 is sealed between pressure part 14, gauge head main body 17, resilient sleeve 8 and the pedestal 9, and gauge head main body 17 outer faces connect panel 10 and are used for installing inner laser transmitter 12 and displaced position sensing detector 15.Panel 10 can be the quick-changing type panel, also can be the fastening-type panel.Set screw 13 acts on liquid plastics 16 by pressure part 14.By set screw 13, can play the effect that changes liquid plastics 16 bulging forces.Resilient sleeve 8 is enclosed within pedestal 9 peripheries, expands with the expansion of liquid plastics 16, props up resilient sleeve 8, and the hole wall of itself and deep hole part 1 is kept in touch.
Fixedly there are inner laser transmitter 12 and displaced position sensing detector 15 in gauge head main body 17 outer faces, angle position sensing detector 30 and outer generating laser 35 are fixedly mounted on the support 31, angle position sensing detector 30 receives the light that inner laser transmitter 12 sends, displaced position sensing detector 15 receives the light that outer generating laser 35 sends, angle position sensing detector 30 links to each other with computer system 32 by A/D converter 36 with displaced position sensing detector 15, realizes the conversion to displaced position sensing detector 15 and angle position sensing detector 30 gained data.
On the described pull bar 18 draw ring 24 is set, draw ring 24 connects stay cord 25, and stay cord 25 is walked around fixed pulley 29 and connected cylinder 28, and cylinder 28 connects spool 27, and spool 27 connects motor 26.The transmission of power of motor 26 is given pull bar 18, and fixed pulley 29 changes the transmission direction of stay cord 25, makes motor installation adaptability stronger.Pull bar 18 is done level motion left under the effect of stay cord 25, and drive sphenoid and move to left, jack-up wedge shape part, thus guarantee that roller 19 contacts all the time with the hole inwall of deep hole part 1.
Displaced position sensing detector 15 of the present invention receives the light that outer generating laser 35 sends, be used for detecting the actual axis of hole in piece part with respect to the micrometric displacement variation of theoretical axis, during work, if actual axis changes with respect to the micrometric displacement that has only of theoretical axis, hot spot produces a variation at displaced position sensing detector 15, and this variation is exactly that micrometric displacement changes.
Angle position sensing detector 30 of the present invention receives the light that inner laser transmitter 12 sends, can detect the actual axis of hole in piece part with respect to little corner variation of theoretical axis, during work, if actual axis changes with respect to the little corner of having only of theoretical axis, hot spot produces a variation at angle position sensing detector 30, according to the reflection amplification principle, adopt tan this variation can be converted to little corner and change.In the ordinary course of things, the 30 detected variations of angle position sensing detector are the synthetic quantities under axis generation micrometric displacement and the little corner situation, by mathematical operation, can decompose.
Principle of work of the present invention:
During the work of this device, first rotating rod 18, the left side moves to left sphenoid 4, and jack-up wedge shape part 20 is pressed on roller 14 on the inner hole wall of deep hole part 1, then, and rotation set screw 13, liquid plastics 16 expands, and resilient sleeve 8 contacts with the inner hole wall of deep hole part 1.After adjustment is finished, stay cord 25 pulling draw rings 24, device moves to left.In the moving process, the hot spot variable quantity that displaced position sensing detector 15 and angle position sensing detector 30 detect is behind A/D converter 36, be transported to computer system 32 and handle computing, obtain the actual axis of deep hole with respect to micrometric displacement variation and the variation of little corner at every some place of theoretical axis, and be presented on the display screen with the form of 3-D view and tables of data, conveniently manually read.
Claims (7)
1. hole linearity testing apparatus with liquid plastics, it is characterized in that comprising: pull bar (18), sphenoid (4), wedge shape part (20), sleeve (3), liquid plastics (16), gauge head main body (17), resilient sleeve (8), displaced position sensing detector (15), inner laser transmitter (12), angle position sensing detector (30) and outer generating laser (35)
One end of sleeve (3) is connected with gauge head main body (17), and an end of pull bar (18) is connected with stay cord (25), and the sphenoid (4) within the other end of pull bar (18) penetrates sleeve (3) inner chamber and is arranged at barrel bore is connected; Be with the wedge shape part (20) of its slip relatively on the inclined-plane of sphenoid (4), wedge shape part (20) passes sleeve and traversing through end is equipped with the roller (19) that can contact with inner walls of deep holes,
The gauge head main body has radial direction through hole on (17), and the resilient sleeve (8) that radial direction through hole is with salable radial direction through hole outward and contacts with inner walls of deep holes is provided with liquid plastics (16) in the radial direction through hole,
Fixedly there are inner laser transmitter (12) and displaced position sensing detector (15) in gauge head main body (17) outer face, angle position sensing detector (30) and outer generating laser (35) are fixedly mounted on the support (31), angle position sensing detector (30) receives the light that inner laser transmitter (12) sends, displaced position sensing detector (15) receives the light that outer generating laser (35) sends, and angle position sensing detector (30) links to each other with computer system (32) by A/D converter (36) with displaced position sensing detector (15).
2. the hole linearity testing apparatus of band liquid plastics according to claim 1, the other end that it is characterized in that sleeve (3) connects end cap (23), pull bar is established annular protrusion on (18), annular protrusion is stuck between end cap (23) and the sleeve (3), and pull bar (18) is threaded with sphenoid (4).
3. the hole linearity testing apparatus of band liquid plastics according to claim 1, it is characterized in that being provided with pedestal (9) between resilient sleeve (8) and the gauge head main body (17), the radial direction through hole position of the corresponding gauge head main body of pedestal (9) (17) also has through hole, gauge head main body (17) axis direction perforate is communicated with radial direction through hole, the nose end in axis direction hole arranges set screw (13), set screw (13) the inner arranges pressure part (14), liquid plastics (16) is sealed in pressure part (14), gauge head main body (17), between resilient sleeve (8) and the pedestal (9), gauge head main body (17) outer face connects panel (10) and is used for installing inner laser transmitter (12) and displaced position sensing detector (15).
4. the hole linearity testing apparatus of band liquid plastics according to claim 1 is characterized in that its direction of motion of the outer distribution of sphenoid (4) has fluting, and the position that sleeve (3) is gone up corresponding sphenoid (4) fluting is provided with position-limitting pin (5).
5. the hole linearity testing apparatus of band liquid plastics according to claim 1 is characterized in that roller (19) along circumferentially evenly the distributing of sleeve (3), quantity be three or more than.
6. the hole linearity testing apparatus of band liquid plastics according to claim 1 is characterized in that wedge shape part (20) is provided with the pin (21) that prevents that it from coming off from sleeve (3).
7. the hole linearity testing apparatus of band liquid plastics according to claim 1, it is characterized in that arranging on the described pull bar (18) draw ring (24), draw ring (24) connects stay cord (25), stay cord (25) is walked around fixed pulley (29) and is connected cylinder (28), cylinder (28) connects spool (27), and spool (27) connects motor (26).
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| CN201310171271.9A CN103278111B (en) | 2013-05-10 | 2013-05-10 | A kind of hole linearity testing apparatus with liquid plastics |
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| CN201310171271.9A CN103278111B (en) | 2013-05-10 | 2013-05-10 | A kind of hole linearity testing apparatus with liquid plastics |
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| CN103278111A true CN103278111A (en) | 2013-09-04 |
| CN103278111B CN103278111B (en) | 2016-03-30 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103868476A (en) * | 2014-03-17 | 2014-06-18 | 四川红光汽车机电有限公司 | Photoelectric nondestructive testing-based tube inner hole straightness automatic test system and test method |
| CN104165603A (en) * | 2014-07-24 | 2014-11-26 | 中北大学 | Single-laser single-PSD wireless deep hole straightness detection device |
| CN104165604A (en) * | 2014-07-24 | 2014-11-26 | 中北大学 | Single-laser single-PSD storage-type deep hole straightness detection device |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
| CN106885505A (en) * | 2017-03-23 | 2017-06-23 | 浙江久立特材科技股份有限公司 | A kind of stainless steel tube hole size detection means |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN107300366A (en) * | 2017-08-25 | 2017-10-27 | 中国工程物理研究院核物理与化学研究所 | A kind of hole centering detection means |
| CN109489590A (en) * | 2018-11-30 | 2019-03-19 | 中北大学 | The detection device of honing bores |
| CN110332892A (en) * | 2019-06-20 | 2019-10-15 | 中北大学 | A kind of accurate detecting method |
| CN110332893A (en) * | 2019-06-20 | 2019-10-15 | 中北大学 | A kind of multifunction high-precision measuring tool |
| CN110345884A (en) * | 2019-06-20 | 2019-10-18 | 中北大学 | Hole straightening equipment and method |
| CN111521102A (en) * | 2020-04-02 | 2020-08-11 | 武汉船用机械有限责任公司 | Device and method for detecting straightness of deep hole |
| CN114413827A (en) * | 2022-03-03 | 2022-04-29 | 西安航空学院 | Long pipe inner wall roughness measuring device and measuring method thereof |
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Cited By (16)
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| CN103868476A (en) * | 2014-03-17 | 2014-06-18 | 四川红光汽车机电有限公司 | Photoelectric nondestructive testing-based tube inner hole straightness automatic test system and test method |
| CN104165603A (en) * | 2014-07-24 | 2014-11-26 | 中北大学 | Single-laser single-PSD wireless deep hole straightness detection device |
| CN104165604A (en) * | 2014-07-24 | 2014-11-26 | 中北大学 | Single-laser single-PSD storage-type deep hole straightness detection device |
| CN104165604B (en) * | 2014-07-24 | 2016-08-17 | 中北大学 | A kind of single laser list PSD storage type Deep Hole Straightness Test Device |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
| CN106885505A (en) * | 2017-03-23 | 2017-06-23 | 浙江久立特材科技股份有限公司 | A kind of stainless steel tube hole size detection means |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN107300366A (en) * | 2017-08-25 | 2017-10-27 | 中国工程物理研究院核物理与化学研究所 | A kind of hole centering detection means |
| CN109489590A (en) * | 2018-11-30 | 2019-03-19 | 中北大学 | The detection device of honing bores |
| CN109489590B (en) * | 2018-11-30 | 2020-10-20 | 中北大学 | Detection apparatus for honing hole |
| CN110332892A (en) * | 2019-06-20 | 2019-10-15 | 中北大学 | A kind of accurate detecting method |
| CN110332893A (en) * | 2019-06-20 | 2019-10-15 | 中北大学 | A kind of multifunction high-precision measuring tool |
| CN110345884A (en) * | 2019-06-20 | 2019-10-18 | 中北大学 | Hole straightening equipment and method |
| CN111521102A (en) * | 2020-04-02 | 2020-08-11 | 武汉船用机械有限责任公司 | Device and method for detecting straightness of deep hole |
| CN114413827A (en) * | 2022-03-03 | 2022-04-29 | 西安航空学院 | Long pipe inner wall roughness measuring device and measuring method thereof |
| CN114413827B (en) * | 2022-03-03 | 2023-11-10 | 西安航空学院 | Long tube inner wall roughness measuring device and measuring method thereof |
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