CN203148399U - A vertical laser detecting device of the linearity of a deep hole - Google Patents
A vertical laser detecting device of the linearity of a deep hole Download PDFInfo
- Publication number
- CN203148399U CN203148399U CN 201320139282 CN201320139282U CN203148399U CN 203148399 U CN203148399 U CN 203148399U CN 201320139282 CN201320139282 CN 201320139282 CN 201320139282 U CN201320139282 U CN 201320139282U CN 203148399 U CN203148399 U CN 203148399U
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- sphenoid
- sleeve
- deep hole
- following
- wedge shape
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Abstract
The utility model discloses a vertical laser detecting device of the linearity of a deep hole. The main structure of the vertical laser detecting device is that a T-shaped pull rod passing through wedges is disposed in a sleeve, that the wedges contact the inner wall of the sleeve, that springs are disposed among the front end face of the sleeve, the wedges, and the T-shaped step of the pull rod, that the head of the T-shaped pull rod passes through the front end face to be connected with a pulling rope, that the pulling rope is connected with a roller through a fixed pulley, wherein the roller is connected with a motor, that the end face of the sleeve is tied with a suspending rope, that a weight is mounted on the bottom of the suspending rope, that a laser emitter is mounted on the bottom end face of the weight, that a support is disposed under the weight, that a position sensitive detector is mounted on the support, and that the position sensitive detector receives light emitted from the laser emitter and is connected with a computer system through an A/D converter. The vertical laser detecting device uses laser technology and the position sensitive detectors and may detect the transverse variation of the actual axis relative to a theoretical axis of a component hole throughout and dynamically. Therefore, a means for detecting the linearity of the axis of a deep-hole component is highly refined.
Description
Technical field
The utility model relates to a kind of hole type parts linearity testing apparatus, particularly a kind of vertical deep hole linearity laser detector.
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 is the basic index that deep hole machining must be considered, for hole type parts, usually said linearity refers to that the actual axis of part is with respect to the deviation of theoretical axis.
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 the price of some high precision linearity detecting instruments is relatively more expensive, is difficult to accept.
Summary of the invention
The purpose of this utility model is intended to overcome above-mentioned shortcoming, and a kind of vertical deep hole linearity laser detector that utilizes laser technology and the omnidistance detection of dynamic deep hole of Position-Sensitive Detector axis verticality is provided.
For achieving the above object, the utility model adopts following solution: a kind of vertical deep hole linearity laser detector, comprise T type pull bar, it is characterized in that: the interstitial hole that T type pull bar passes sphenoid and following sphenoid is installed in the sleeve of sealing, last sphenoid contacts with the inwall of sleeve with following sphenoid, the bar head of T type pull bar passes the consistent interstitial hole of the interstitial hole with last sphenoid and following sphenoid that the sleeve upper surface is provided with and stretches out outside the sleeve, the bar head of T type pull bar connects stay cord, and stay cord is by on the cylinder that fixed pulley is connected with motor links to each other; Be provided with upper spring, medi-spring and lower spring at T type pull bar, upper spring, medi-spring and lower spring lay respectively at sleeve upper surface and last sphenoid, go up between the T stage rank of sphenoid and following sphenoid, following sphenoid and T type pull bar; Be provided with wedge shape part and following wedge shape part at the barrel of sleeve, an end of last wedge shape part contacts with the hole wall of deep hole part, and the other end tilts to contact with last sphenoid, and an end of following wedge shape part contacts with the hole wall of deep hole part, and the other end tilts to contact with following sphenoid; Lifting rope has been fastened in center in the sleeve lower surface, the lifting rope lower end is equipped with pouring weight, generating laser is installed in the pouring weight lower surface, the pouring weight below is provided with support, installation site sensing detector on support, Position-Sensitive Detector receives the light that generating laser sends, and Position-Sensitive Detector links to each other with computer system by A/D converter.
Above-mentioned vertical deep hole linearity laser detector is characterized in that: the bar head of described T type pull bar is provided with the blind rivet that connects stay cord.
Above-mentioned vertical deep hole linearity laser detector is characterized in that: described go up that wedge shape part and a end that following wedge shape part contacts with the hole wall of deep hole part be provided with can be around upper roller and the bottom roller of self spool rotation, quantity is more than three or three.
Above-mentioned vertical deep hole linearity laser detector is characterized in that: the described wedge shape part of going up is 10o-80o with last sphenoid with the oblique angle that following sphenoid tilts to contact with following wedge shape part.
Above-mentioned vertical deep hole linearity laser detector is characterized in that: the described wedge shape part of going up is arranging pin with following wedge shape part near the sleeve lining place.
Above-mentioned vertical deep hole linearity laser detector, it is characterized in that: described fixed pulley is left chain wheel and right pulley.
T type pull bar described in the utility model is under the effect of stay cord, do motion vertically upward, make upper spring, medi-spring and lower spring be in compressive state, spring promotes sphenoid, jack-up wedge shape part, thus guarantee that upper roller contacts with the hole inwall of deep hole part all the time with bottom roller.
Position-Sensitive Detector described in the utility model receives the light that generating laser sends, and can detect the actual axis of hole in piece part with respect to the horizontal variation of theoretical axis.
A/D converter described in the utility model links to each other with computer system, and realization location sensitive detector gained data are changed.
Upper roller described in the utility model and bottom roller can rotate around self axle, when making device work, are rolling friction between the hole inwall of two rollers and deep hole part, are conducive to reduce frictional resistance, the raising accuracy of detection.
Pin described in the utility model can guarantee that the wedge shape part can not come off from sleeve.
Left chain wheel walked around by stay cord described in the utility model and right pulley is connected on the blind rivet, thereby gives T type pull bar with the transmission of power of motor, and pulley changes the stay cord transmission direction, makes motor installation adaptability stronger.
The utility model compared with prior art has following beneficial effect:
The utility model obtains sampling point in the spatial spreading feature by variation and the device vertical direction change in displacement of hot spot on the Position-Sensitive Detector, via computer system processor, simulates straight line degree space curve, and then obtains axially bored line straightness error value.
The utility model integrates mechanical, electrical, light, adopt laser technology and Position-Sensitive Detector, structure is based on the device of spring-mass system, simple in structure, with low cost, easy to use, can realize that the actual axis of omnidistance detection of dynamic deep hole changes with respect to the horizontal 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, structural representation of the present utility model.
Among the figure: the last wedge shape part 16-upper roller 17-pin 18-upper spring 19-blind rivet 20-motor 21-spool 22-left chain wheel 23-cylinder 24-Position-Sensitive Detector 25-support 26-computer system 27-light 28-right pulley 30-A/D converter 31-stay cord of wedge shape part 14-bottom roller 15-under the sphenoid 8-pouring weight 9-lower spring 10-lower surface 11-generating laser 12-lifting rope 13-under the last sphenoid 5-T type pull bar 6-medi-spring 7-of 1-deep hole part 2-sleeve 3-.
Embodiment
By reference to the accompanying drawings embodiment of the present utility model is further described, present embodiment is to illustrate of the present utility modelly, rather than the utility model is done any restriction.
As shown in Figure 1, a kind of vertical deep hole linearity laser detector, comprise T type pull bar 5, upper spring 18, medi-spring 6, lower spring 9, last sphenoid 3, following sphenoid 7, last wedge shape part 15, following wedge shape part 13, panel 10, lifting rope 12, pouring weight 8, generating laser 11 and Position-Sensitive Detector 24, the interstitial hole that T type pull bar 5 passes sphenoid 3 and following sphenoid 7 is installed in the sleeve 2 of sealing, upper spring 18, medi-spring 6 and lower spring 9 are enclosed within on the T type pull bar 5, and separated by last sphenoid 3 and following sphenoid 7, tilt to contact between last wedge shape part 15 and the last sphenoid 3, oblique angle control is between 10o-80o, tilt to contact between following wedge shape part 13 and the following sphenoid 7, the oblique angle is controlled between 10o-80o; Lifting rope 12 has been fastened in the center of lower surface 10, lifting rope 12 lower ends are equipped with pouring weight 8, generating laser 11 is fixed on positive center, pouring weight 8 lower surfaces, Position-Sensitive Detector 24 is fixedly mounted on the support 25, Position-Sensitive Detector 24 is positioned at generating laser 11 belows, the light 27 that generating laser 11 sends is radiated in the working range of Position-Sensitive Detector 24, and Position-Sensitive Detector 24 links to each other with computer system 26 by A/D converter 30.Upper roller 16 all contacts with the hole wall of deep hole part 1 with bottom roller 14, can rotate around self axle, and quantity is more than three or three.
The lower surface 10 of sleeve 2 can be the quick-changing type panel, also can be the fastening-type panel.
Principle of work of the present utility model:
When the utility model work began, equipment made three springs be in compressive state by T type pull bar 5 under the effect of stay cord 31, the promotion sphenoid moves, jack-up wedge shape part is pressed on upper roller 16 and bottom roller 14 on the inner hole wall of deep hole part 1, thereby guarantees the good contact of the course of work.In the course of work, when the aperture became big, sphenoid made roller outwards mobile, is adapted to the increase in aperture; When the aperture diminished, the deep hole hole wall forced roller to move inward, and promoted sphenoid and moved downward, owing to axial arranged spring arranged, this axially-movable can realize.During detection, the hot spot variable quantity that Position-Sensitive Detector 24 detects is behind A/D converter 30, obtain the actual axis of deep hole with respect to the horizontal micrometric displacement variation at every some place of theoretical axis, 26 pairs of these variations of computer system and device vertical direction offset variable are handled computing, obtain sampling point in the spatial spreading feature, and simulate straight line degree space curve, obtain at every and locate axially bored line straightness error value, finally the form with 3-D view and tables of data is presented on the display screen, conveniently manually reads.
Claims (6)
1. vertical deep hole linearity laser detector, comprise T type pull bar, it is characterized in that: the interstitial hole that T type pull bar passes sphenoid and following sphenoid is installed in the sleeve of sealing, last sphenoid contacts with the inwall of sleeve with following sphenoid, the bar head of T type pull bar passes the consistent interstitial hole of the interstitial hole with last sphenoid and following sphenoid that the sleeve upper surface is provided with and stretches out outside the sleeve, the bar head of T type pull bar connects stay cord, and stay cord is by on the cylinder that fixed pulley is connected with motor links to each other; Be provided with upper spring, medi-spring and lower spring at T type pull bar, upper spring, medi-spring and lower spring lay respectively at sleeve upper surface and last sphenoid, go up between the T stage rank of sphenoid and following sphenoid, following sphenoid and T type pull bar; Be provided with wedge shape part and following wedge shape part at the barrel of sleeve, an end of last wedge shape part contacts with the hole wall of deep hole part, and the other end tilts to contact with last sphenoid, and an end of following wedge shape part contacts with the hole wall of deep hole part, and the other end tilts to contact with following sphenoid; Lifting rope has been fastened in center in the sleeve lower surface, the lifting rope lower end is equipped with pouring weight, generating laser is installed in the pouring weight lower surface, the pouring weight below is provided with support, installation site sensing detector on support, Position-Sensitive Detector receives the light that generating laser sends, and Position-Sensitive Detector links to each other with computer system by A/D converter.
2. vertical deep hole linearity laser detector according to claim 1 is characterized in that: the bar head of described T type pull bar is provided with the blind rivet that connects stay cord.
3. vertical deep hole linearity laser detector according to claim 1, it is characterized in that: described go up that wedge shape part and a end that following wedge shape part contacts with the hole wall of deep hole part be provided with can be around upper roller and the bottom roller of self spool rotation, quantity is more than three or three.
4. vertical deep hole linearity laser detector according to claim 1 is characterized in that: describedly go up the wedge shape part and following wedge shape part is 10o-80o with last sphenoid with the oblique angle that following sphenoid inclination contacts.
5. vertical deep hole linearity laser detector according to claim 1 is characterized in that: describedly go up the wedge shape part and following wedge shape part is arranging pin at close sleeve lining place.
6. vertical deep hole linearity laser detector according to claim 1, it is characterized in that: described fixed pulley is left chain wheel and right pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139282 CN203148399U (en) | 2013-03-25 | 2013-03-25 | A vertical laser detecting device of the linearity of a deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139282 CN203148399U (en) | 2013-03-25 | 2013-03-25 | A vertical laser detecting device of the linearity of a deep hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148399U true CN203148399U (en) | 2013-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320139282 Withdrawn - After Issue CN203148399U (en) | 2013-03-25 | 2013-03-25 | A vertical laser detecting device of the linearity of a deep hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196397A (en) * | 2013-03-25 | 2013-07-10 | 中北大学 | Straightness laser detection device for vertical longhole |
| 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 |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
-
2013
- 2013-03-25 CN CN 201320139282 patent/CN203148399U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196397A (en) * | 2013-03-25 | 2013-07-10 | 中北大学 | Straightness laser detection device for vertical longhole |
| CN103196397B (en) * | 2013-03-25 | 2015-08-19 | 中北大学 | A kind of vertical deep hole linear degree laser detector |
| 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 |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |