CN203259131U - Object contour sensing system - Google Patents
Object contour sensing system Download PDFInfo
- Publication number
- CN203259131U CN203259131U CN 201320180028 CN201320180028U CN203259131U CN 203259131 U CN203259131 U CN 203259131U CN 201320180028 CN201320180028 CN 201320180028 CN 201320180028 U CN201320180028 U CN 201320180028U CN 203259131 U CN203259131 U CN 203259131U
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- China
- Prior art keywords
- lever
- sensing system
- object contour
- right end
- contour sensing
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a device special for measuring surface information of long and narrow deep holes, which is an object contour sensing system in particular. The system comprises a left lever and a stylus connected to the left end of the left lever. The right end of the left lever is in rigid connection with a right lever by a lever rotating shaft. The system is characterized in that: the right end of the right lever is connected to a fan-shaped block; a steel band grating scale is pasted to the arc-shaped right end face of the fan-shaped block; an open grating reading head is arranged on the right side of the steel band grating scale; the length ratio of the left lever to the right lever is 1 to 1.6 - 7; and the diameter of the stylus tip is between 3 and 7 microns. The system overcomes the disadvantages that optical scanning and inductive detection are low in accuracy and precision during measurement of inner walls of deep holes, and is an object contour sensing system with a high precision and a large measurement range.
Description
Technical field
The utility model relates to the contourgraph system, is exclusively used in the measurement of the surface information in long and narrow deep hole zone.
Background technology
Mostly existing contourgraph is to adopt optical profilometer, and optical profilometer truly has the advantage of efficiently and accurately at the profile information of measuring two-dimensional surface, yet has the inwall measurement can't accomplish Measurement accuracy in long and narrow deep hole zone.For the three-dimensional display of high-grade article, even if the scanning information in deep hole zone also is necessary, cannot be as ignoring information.
It is the counting device that existing sensor for the deep hole inner profile measurement adopts inductance sensor more; Because contourgraph must have certain range Practical significance is just arranged, so need to amplify through the range of vast scale lever with inductance sensor.Because the increase of inductance sensor precision along with range sharply reduces, so adopt inductance sensor to have the deficiency that precision is low, useful range is little for the contourgraph of counting device.
The utility model content
Technical problem to be solved in the utility model provides a kind of not only precision height and the large contour of object sensor-based system of useful range.
A kind of contour of object sensor-based system, the contact pilotage that comprises lever left and be connected to lever left left end head, the right-hand member head of lever left is rigidly connected by lever shaft and right lever, the right-hand member of described right lever is connected with a secter pat, be pasted with the steel belt grating chi in the right side of secter pat, described right side is curved end, and the right side of steel belt grating chi is provided with the open type grating reading head, the Length Ratio 1 of described lever left and right lever: 1.6-7, the needle type radius of described contact pilotage are 3～7um.
The right-hand member of lever adopts the fan shape piece, pastes the steel belt grating chi at the end face of fan shape piece, and at the right-hand member of steel belt grating chi the open type grating reading head is installed, and forms grating sensor, as contourgraph counting device.Because grating sensor has precision and is subjected to range to affect little characteristics, the useful range of grating sensor itself can be done greatly, so adopt grating sensor not need the conversion of vast scale lever can guarantee the high precision of this sensor and have larger useful range as the contourgraph of counting device.
The utility model contour of object sensor-based system precision greatly improves, and range is large, and grating sensing makes the adaptability of contourgraph, antijamming capability strong, is subjected to temperature, humidity effect little, namely can be used for the petty commodities profile measurement of (as going here and there porose pearl).
The stylus tip radius is larger, and the movement locus of scanning and real profile differ far away.So, for the movement locus that makes contact pilotage as far as possible near the real profile of measured surface, should adopt the as far as possible little contact pilotage of needle type radius.The deep hole class surface measurement that general measure the utility model is related, can select needle type radius is that (be different from and measure rough surface 10～30um), too small then easily broken, such as 1.5um, experiment learns that 1.5 um are easily broken specifications for the contact pilotage of 3 ~ 5 um.
Description of drawings
Hereinafter in conjunction with embodiment the technical solution of the utility model being described with reference to the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model contour of object sensor-based system, the contact pilotage 7 that comprises lever left 6 and be connected to lever left 6 left end heads, the right-hand member head of lever left 6 is rigidly connected by lever shaft 5 and right lever 4, the right-hand member of described right lever 4 is connected with a secter pat 3, be pasted with steel belt grating chi 2 in the right side of secter pat 3, described right side is curved end, the right side of steel belt grating chi 2 is provided with open type grating reading head 1, the Length Ratio of described lever left 6 and right lever 41: 4, the needle type radius of described contact pilotage is 4um.For ease of the synthesis display of contourgraph, the open type grating reading head also should link to each other successively with corresponding DSP treating apparatus, image display device.
Claims (1)
1. contour of object sensor-based system, the contact pilotage that comprises lever left and be connected to lever left left end head, the right-hand member head of lever left is rigidly connected by lever shaft and right lever, it is characterized in that: the right-hand member of described right lever is connected with a secter pat, be pasted with the steel belt grating chi in the right side of secter pat, described right side is curved end, the right side of steel belt grating chi is provided with the open type grating reading head, the Length Ratio 1 of described lever left and right lever: 1.6-7, the needle type radius of described contact pilotage are 3～7um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180028 CN203259131U (en) | 2013-04-11 | 2013-04-11 | Object contour sensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180028 CN203259131U (en) | 2013-04-11 | 2013-04-11 | Object contour sensing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259131U true CN203259131U (en) | 2013-10-30 |
Family
ID=49471687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180028 Expired - Fee Related CN203259131U (en) | 2013-04-11 | 2013-04-11 | Object contour sensing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259131U (en) |
-
2013
- 2013-04-11 CN CN 201320180028 patent/CN203259131U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140411 |