CN203310385U - Hole linearity detection device with liquid plastic - Google Patents
Hole linearity detection device with liquid plastic Download PDFInfo
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- CN203310385U CN203310385U CN2013202518247U CN201320251824U CN203310385U CN 203310385 U CN203310385 U CN 203310385U CN 2013202518247 U CN2013202518247 U CN 2013202518247U CN 201320251824 U CN201320251824 U CN 201320251824U CN 203310385 U CN203310385 U CN 203310385U
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Abstract
The utility model belongs to the hole type part linearity detection technical field and specifically discloses a hole linearity detection device with liquid plastic. The hole linearity detection device solves the problem that there are no mature products for detecting the deep hole axial line linearity deviation in the prior art. The hole linearity detection device with liquid plastic comprises a pull bar, a wedge-shaped body, a wedge-shaped member, a sleeve, the liquid plastic, a probe main body, an elastic sleeve, a displacement position sensitivity detector, an inner laser emitter, a corner position sensitivity detector and an outer laser emitter. A radial through hole is arranged on the probe main body. The elastic sleeve is sleeved on the outer side of the radial through hole. The liquid plastic is arranged inside the radial through hole. The outer end face of the probe main body is fixedly provided with the inner laser emitter and the displacement position sensitivity detector. The hole linearity detection device with liquid plastic combines the automatic centering characteristics of the wedge-shaped parts and the characteristics of the liquid plastic and has the characteristics of simple structure, low cost and convenient use. The hole linearity detection device can dynamically detect the micro displacement changes and the micro corner changes of a deep hole actual axial line relative to a theoretical axis in a whole course.
Description
Technical field
The utility model belongs to the technical field of hole type parts Linearity surveying, specifically a kind of hole with liquid plastics linearity testing apparatus.
Background technology
Deep hole machining is complicated and special, be difficult to observe working position and cutter situation, process is subjected to the impact of many factors such as knife bar distortion, system flutter, workpiece material, bit parameter, cutting parameter, oil liquid pressure, chip removal difficulty, the phenomenon of axis deviation often appears in deep-hole parts, in case deflect into to a certain degree, the straightness error of deep-hole parts axis will produce sharply and change, and cause the adverse consequencess such as drill bit damage, workpiece are scrapped, Product Precision is low, off quality.Because deep hole machining is served equipment manufacture industry, the quality of deep hole workpiece directly affects the development of equipment manufacture, has also limited the space of deep hole to the other field expansion.
Linearity surveying, in whole deep hole machining process, is the important means that product quality is controlled in the deep hole field, and the part that linearity is good also can make self when with other parts, being used in conjunction with, to have given play to maximum performance, improves the general assembly precision.Linearity be deep hole machining must consider a basic index, for hole type parts, usually said linearity refers to the deviation of the actual axis of part with respect to 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 micro-corner.
In the research aspect deep hole Linearity surveying and deviation correcting technology, constantly deepen both at home and abroad, but other Metrology Projects relatively, the Linearity surveying technology seems backward, especially show greatly enhancing workpiece hole axis verticality context of detection, up to the present, still there is no the matured product for detection of deep hole axis verticality deviation.In 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 continuous detection of dynamic of the whole process of deep-hole parts linearity, very not accurate, the mistaken ideas that easily are absorbed in putting general face.And some laser linearity detecting instruments can not realize detecting simultaneously the function that micrometric displacement changes and micro-corner changes.
Axis deviation seriously restricts the quality of hole type parts, improves deep hole Linearity surveying technical merit, for the deep hole machining process provides reference frame, and then improves the deep-hole parts quality, promotes the lifting of equipment manufacture level.Therefore, a kind of deep hole Linearity surveying instrument that can detect simultaneously micrometric displacement change and the change of micro-corner of research seems particularly important.
Summary of the invention
The utility model 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 micro-corner variation.This device is the axis straightness error value of portalling of the change calculations on Position-Sensitive Detector by hot spot.
The utility model is to adopt following technical scheme to realize:
A kind of hole with liquid plastics linearity testing apparatus, 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; On the inclined-plane of sphenoid, cover has the wedge shape part of its slip relatively, and the wedge shape part passes sleeve and traversing through end is equipped with the roller that can contact with inner walls of deep holes.On the gauge head main body, have radial direction through hole, the resilient sleeve that the radial direction through hole overcoat has salable radial direction through hole and contacts with inner walls of deep holes, be provided with liquid plastics in radial direction through hole,
Gauge head main body outer face is fixed with inner laser transmitter and displaced position sensing detector, angle position sensing detector and outer generating laser are fixedly mounted on 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 is connected with computer system by A/D converter with the displaced position sensing detector.
The other end of sleeve connects end cap, on pull bar, establishes annular protrusion, and annular protrusion is stuck between end cap and sleeve, and pull bar is threaded with sphenoid.
Between resilient sleeve and gauge head main body, be provided with pedestal, 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 pedestal, and gauge head main body outer face connects panel for inner laser transmitter and displaced position sensing detector are installed.
Outer its direction of motion of distribution of sphenoid has fluting, and on sleeve, the position of corresponding sphenoid fluting is provided with position-limitting pin.
Described roller circumferentially is uniformly distributed along sleeve, quantity be three or more than.
On the wedge shape part, be provided with and prevent its pin from coming off sleeve.
On 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 utility model compared with prior art, has following beneficial effect:
The utility model 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 micro-corner with respect to the micrometric displacement of theoretical axis, making that the means that deep-hole parts carries out Linearity surveying are tending towards to height and refine, is the important breakthrough on the deep hole detection technique.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: the 1-deep-hole parts, the 3-sleeve, the 4-sphenoid, the 5-position-limitting pin, the 6-axial bolt, the 7-radial screw, the 8-resilient sleeve, the 9-pedestal, the 10-panel, the 11-packing ring, 12-inner laser transmitter, the 13-set screw, the 14-pressure part, 15-displaced position sensing detector, the 16-liquid plastics, 17-gauge head main body, the 18-pull bar, the 19-roller, 20-wedge shape part, the 21-pin, the 22-screw, the 23-end cap, the 24-draw ring, the 25-stay cord, the 26-motor, the 27-spool, the 28-cylinder, the 29-fixed pulley, 30-angle position sensing detector, the 31-support, the 32-computer system, 33-1 light, 34-2 light, the outer generating laser of 35-, the 36-A/D converter.
Embodiment
By reference to the accompanying drawings embodiment of the present utility model is further described, the present embodiment is to illustrate of the present utility modelly, rather than the utility model is done to any restriction.
A kind of hole with liquid plastics linearity testing apparatus 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; On the inclined-plane of sphenoid 4, cover has the wedge shape part 20 of its slip relatively, between wedge shape part 20 and sphenoid 4, tilt to contact, oblique angle is controlled 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 pull bar 18, annular protrusion is stuck between end cap 23 and sleeve 3, and pull bar 18 is threaded with sphenoid 4.Its direction of motion of the outer distribution of sphenoid 4 has fluting, and on sleeve 3, the position of corresponding sphenoid 4 flutings is provided with position-limitting pin 5.On wedge shape part 20, be provided with and prevent its pin 21 from coming off sleeve 3, guarantee that the wedge shape part can be from sleeve, coming off, pin can be common pin, can be also spring pin.Roller 19, along circumferentially distributing, contact with the hole wall of deep-hole parts 1, can be around self axle rotation, quantity be three or more than.Roller 19 can rotate around self axle, while making device work, for rolling friction, is conducive to reduce frictional resistance between the hole inwall of roller and deep-hole parts 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, 13 pairs of resilient sleeve 8 of rotation set screw are adjusted, after treating that roller and resilient sleeve mix up, and traction draw ring 24, device integral body is moved to left, realize detecting.
Sphenoid 4 can be that face contacts with the contact form between wedge shape part 20, can be also the line contact.
On gauge head main body 17, have radial direction through hole, the resilient sleeve 8 that the radial direction through hole overcoat has salable radial direction through hole and contacts with inner walls of deep holes, be provided with liquid plastics 16 in radial direction through hole.Between resilient sleeve 8 and gauge head main body 17, be provided with pedestal 9, the radial direction through hole position of the corresponding gauge head main body 17 of pedestal 9 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 pedestal 9, and gauge head main body 17 outer faces connect panel 10 be used to inner laser transmitter 12 and displaced position sensing detector 15 are installed.Panel 10 can be the quick-changing type panel, can be also 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 parts 1 is kept in touch.
Gauge head main body 17 outer faces are fixed with inner laser transmitter 12 and displaced position sensing detector 15, angle position sensing detector 30 and outer generating laser 35 are fixedly mounted on 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 is connected with computer system 32 by A/D converter 36 with displaced position sensing detector 15, the conversion of realization to displaced position sensing detector 15 and angle position sensing detector 30 the data obtaineds.
On 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 to pull bar 18, and fixed pulley 29 changes the transmission direction of stay cord 25, makes motor installation adaptability stronger.Pull bar 18, under the effect of stay cord 25, is done level motion left, 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 parts 1.
Displaced position sensing detector 15 described in the utility model receives the light that outer generating laser 35 sends, be used for detecting the micrometric displacement variation of the actual axis of hole in piece part with respect to theoretical axis, during work, if actual axis changes with respect to the micrometric displacement that only has of theoretical axis, hot spot produces a variation on displaced position sensing detector 15, this variation is exactly that micrometric displacement changes.
Angle position sensing detector 30 described in the utility model receives the light that inner laser transmitter 12 sends, can detect the micro-corner variation of the actual axis of hole in piece part with respect to theoretical axis, during work, if actual axis changes with respect to the micro-corner of only having of theoretical axis, hot spot produces a variation on angle position sensing detector 30, according to the reflection amplification principle, adopt tan this variation can be converted to micro-corner and change.In the ordinary course of things, the variation that angle position sensing detector 30 detects is the synthetic quantity under axis generation micrometric displacement and micro-corner situation, by mathematical operation, can decompose.
Principle of work of the present utility model:
During the work of this device, first rotating rod 18, left side, move to left sphenoid 4, and jack-up wedge shape part 20 is pressed on roller 14 on the inner hole wall of deep-hole parts 1, then, and rotation set screw 13, liquid plastics 16 expands, and resilient sleeve 8 contacts with the inner hole wall of deep-hole parts 1.After adjustment completed, stay cord 25 pulled draw ring 24, and device moves to left.In moving process, the hot spot variable quantity that displaced position sensing detector 15 and angle position sensing detector 30 detect is after A/D converter 36, be transported to computer system 32 and process computing, obtain micrometric displacement variation and the micro-corner variation of the actual axis of deep hole with respect to every some place of theoretical axis, and be presented on display screen with the form of 3-D view and tables of data, conveniently manually read.
Claims (7)
1. linearity testing apparatus of the hole 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; On the inclined-plane of sphenoid (4), cover has the wedge shape part (20) of its slip relatively, and 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 the radial direction through hole overcoat has salable radial direction through hole and contacts with inner walls of deep holes, be provided with liquid plastics (16) in radial direction through hole,
Gauge head main body (17) outer face is fixed with inner laser transmitter (12) and displaced position sensing detector (15), angle position sensing detector (30) and outer generating laser (35) are fixedly mounted on 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) is connected with computer system (32) by A/D converter (36) with displaced position sensing detector (15).
2. the hole with liquid plastics according to claim 1 linearity testing apparatus, 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 sleeve (3), and pull bar (18) is threaded with sphenoid (4).
3. the hole with liquid plastics according to claim 1 linearity testing apparatus, it is characterized in that being provided with pedestal (9) between resilient sleeve (8) and 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 pedestal (9), gauge head main body (17) outer face connects panel (10) be used to inner laser transmitter (12) and displaced position sensing detector (15) are installed.
4. the hole with liquid plastics according to claim 1 linearity testing apparatus, is characterized in that its direction of motion of the outer distribution of sphenoid (4) has fluting, and the position of upper corresponding sphenoid (4) fluting of sleeve (3) is provided with position-limitting pin (5).
5. the hole with liquid plastics according to claim 1 linearity testing apparatus, is characterized in that roller (19) is along circumferentially being uniformly distributed of sleeve (3), quantity be three or more than.
6. the hole with liquid plastics according to claim 1 linearity testing apparatus, is characterized in that on wedge shape part (20) being provided with and prevent its pin (21) from coming off sleeve (3).
7. the hole with liquid plastics according to claim 1 linearity testing apparatus, it is characterized in that on described pull bar (18) arranging 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202518247U CN203310385U (en) | 2013-05-10 | 2013-05-10 | Hole linearity detection device with liquid plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202518247U CN203310385U (en) | 2013-05-10 | 2013-05-10 | Hole linearity detection device with liquid plastic |
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| Publication Number | Publication Date |
|---|---|
| CN203310385U true CN203310385U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202518247U Expired - Fee Related CN203310385U (en) | 2013-05-10 | 2013-05-10 | Hole linearity detection device with liquid plastic |
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| Country | Link |
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| CN (1) | CN203310385U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278111A (en) * | 2013-05-10 | 2013-09-04 | 中北大学 | Hole linearity detecting device with liquid plastics |
| CN105203068A (en) * | 2015-10-12 | 2015-12-30 | 中北大学 | Deep hole straightness detection method based on ultrasonic thickness meter |
| CN112033303A (en) * | 2020-10-09 | 2020-12-04 | 北京理工大学 | Device for measuring roundness and straightness of deep hole |
| CN114459403A (en) * | 2022-02-09 | 2022-05-10 | 广东国鸿氢能科技有限公司 | Rapid detection tool and detection method for fuel cell stack |
-
2013
- 2013-05-10 CN CN2013202518247U patent/CN203310385U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278111A (en) * | 2013-05-10 | 2013-09-04 | 中北大学 | Hole linearity detecting device with liquid plastics |
| CN103278111B (en) * | 2013-05-10 | 2016-03-30 | 中北大学 | A kind of hole linearity testing apparatus with liquid plastics |
| CN105203068A (en) * | 2015-10-12 | 2015-12-30 | 中北大学 | Deep hole straightness detection method based on ultrasonic thickness meter |
| CN105203068B (en) * | 2015-10-12 | 2018-02-16 | 中北大学 | Deep hole linear degree detection method based on sonigauge |
| CN112033303A (en) * | 2020-10-09 | 2020-12-04 | 北京理工大学 | Device for measuring roundness and straightness of deep hole |
| CN112033303B (en) * | 2020-10-09 | 2021-10-12 | 北京理工大学 | Device for measuring roundness and straightness of deep hole |
| CN114459403A (en) * | 2022-02-09 | 2022-05-10 | 广东国鸿氢能科技有限公司 | Rapid detection tool and detection method for fuel cell stack |
| CN114459403B (en) * | 2022-02-09 | 2023-10-20 | 国鸿氢能科技(嘉兴)股份有限公司 | Rapid detection tool and detection method for fuel cell stack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160510 |