CN201392175Y - Improved ruler magnetic grid - Google Patents
Improved ruler magnetic grid Download PDFInfo
- Publication number
- CN201392175Y CN201392175Y CN200920052815U CN200920052815U CN201392175Y CN 201392175 Y CN201392175 Y CN 201392175Y CN 200920052815 U CN200920052815 U CN 200920052815U CN 200920052815 U CN200920052815 U CN 200920052815U CN 201392175 Y CN201392175 Y CN 201392175Y
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- magnetic
- stripe
- groove
- magnetic stripe
- strip
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Abstract
The utility model discloses an improved ruler magnetic grid which comprises a ruler shell and a magnetic stripe. The magnetic stripe is arranged in the ruler shell, a groove is arranged in the ruler shell, a magnetic stripe fixing stripe is arranged in the groove, one end of the magnetic stripe fixing stripe is fixedly connected with the groove, the other end of the magnetic stripe fixing stripe is a freely telescopic end, and the magnetic stripe is fixedly arranged on the magnetic stripe fixing stripe. The magnetic stripe is fixedly arranged on the magnetic stripe fixing stripe in a sticking manner. The ruler shell is made of aluminum profiles, the magnetic stripe fixing stripe is made of steel materials, the magnetic stripe fixing stripe is embedded in the groove in penetrating and inserting manners, and one end of the magnetic stripe fixing stripe is fixedly connected with the groove by a screw. The improved ruler magnetic grid in the utility model improves the present ruler magnetic grid, the magnetic stripe fixing stripe is additionally arranged, one end of the magnetic stripe fixing stripe is fixedly connected with the groove, and the other end is the freely telescopic end. Therefore, when in expansion on heating and contraction on cooling, the magnetic stripe fixing stripe can be freely telescopic; moreover, the magnetic stripe fixing stripe is made of the steel materials, and the deformation of steel in expansion on heating and contraction on cooling is close to that of the magnetic stripe, so that the measuring precision is improved.
Description
Technical field
The utility model relates to the magnetic signal field of measuring technique, is specifically related to a kind of improved staff gauge magnetic grating.
Background technology
Magnetic grid is a kind of device that utilizes electromagnetic property and the capable detection of record magnetic principle contraposition shift-in, and it generally is divided into staff gauge magnetic grating, picks up magnetic magnetic head and testing circuit three parts.On staff gauge magnetic grating, square wave with certain wavelength or sine wave signal that useful record magnetic magnetic head is recorded.During detection, pick up the magnetic magnetic head and read square wave or sinusoidal wave electromagnetic signal on the staff gauge magnetic grating, and be translated into electric signal,, realize detection displacement according to this electric signal.
Magnetic grid can be divided into solid type magnetic grid, banded magnetic grid, wire magnetic grid and jatharapanvartanasana magnetic grid, and first three is planted magnetic grid and is used for the straight-line displacement measurement, a kind of angle displacement measurement that is used in back.
The structure of existing staff gauge magnetic grating is at magnetic stripe of chi shell internal fixation, but owing to magnetic stripe and chi shell are that different materials is made, general chi shell adopts aluminium section bar to make, so when expanding with heat and contract with cold, the distortion of chi shell and magnetic stripe is different, because magnetic grid is very accurate survey instrument, the difference of distortion has caused the accuracy of detection of magnetic grid accurate inadequately.
The utility model content
The utility model is in order to overcome the deficiency that above prior art exists, and a kind of simple and reasonable, improved staff gauge magnetic grating of improving measuring accuracy is provided.
The purpose of this utility model realizes by following technical scheme: this improved staff gauge magnetic grating, comprise chi shell and magnetic stripe, magnetic stripe is positioned at the chi shell, it is characterized in that: have groove in the described chi shell, be provided with magnetic strip fixing strip in the groove, one end of magnetic strip fixing strip is fixedlyed connected with groove, and the other end is the end that freely stretches, and magnetic stripe is fixed on the magnetic strip fixing strip.
As a kind of preferred, described magnetic stripe is fixed on the magnetic strip fixing strip by the mode of pasting.
As a kind of preferred, described chi shell is made by aluminium section bar.
As a kind of preferred, described magnetic strip fixing strip is made by steel.
As a kind of preferred, described magnetic strip fixing strip is embedded in the groove by the mode of interting.
As a kind of preferred, an end of described magnetic strip fixing strip is fixedlyed connected with groove by screw.
For the ease of the processing of chi shell, described chi shell is by forming more than one section or one section.
The lower end of described chi shell be provided with one can slide pick up the magnetic magnetic head.
In order further to guarantee the linearity of magnetic strip fixing strip, in described groove, be provided with two and compress rubber strip, two compress the two edges that rubber strip is positioned at magnetic strip fixing strip.
The utility model has following advantage with respect to prior art: this improved staff gauge magnetic grating improves existing staff gauge magnetic grating, increased magnetic strip fixing strip, and an end of magnetic strip fixing strip is fixedlyed connected with groove, the other end is the end that freely stretches, when expanding with heat and contract with cold, magnetic strip fixing strip can freely be stretched, and magnetic strip fixing strip is made by steel, deflection and magnetic stripe that steel expands with heat and contract with cold are approaching, so improved measuring accuracy.
Be provided with two and compress rubber strip in groove, two compress the two edges that rubber strip is positioned at magnetic strip fixing strip, have further guaranteed the linearity of magnetic strip fixing strip, have also further improved the measuring accuracy of staff gauge magnetic grating.
This improved staff gauge magnetic grating has the precision height, duplicates simple and advantages such as easy to adjust is installed, and at greasy dirt, when the more working environment of dust uses, still have advantages of higher stability, antijamming capability strong, can satisfy accuracy requirement.This improved staff gauge magnetic grating can be used on heavy duty machine tools, precision machine tool, middle-size and small-size boring and milling machine, numerically-controlled machine and other measuring machines.
Description of drawings
Fig. 1 is the structural representation of a kind of improved staff gauge magnetic grating of the utility model.
Fig. 2 is the A enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of the another kind of improved staff gauge magnetic grating of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Improved staff gauge magnetic grating as depicted in figs. 1 and 2, comprise chi shell 1 and magnetic stripe 2, magnetic stripe 2 is positioned at chi shell 1, have groove 3 in the chi shell 1, be provided with magnetic strip fixing strip 4 in the groove 3, one end of magnetic strip fixing strip 4 is fixedlyed connected with groove 3 by screw 5, and the other end is the end that freely stretches, and magnetic stripe 2 is fixed on the magnetic strip fixing strip 4 by the mode of pasting.Chi shell 1 is made by aluminium section bar.Magnetic strip fixing strip 4 is made by steel.Magnetic strip fixing strip 4 is embedded in the groove 3 by the mode of interting.
For the ease of the processing of chi shell 1, chi shell 1 is by forming more than one section or one section, and in the present embodiment, chi shell 1 is formed by three sections.The lower end of chi shell 1 be provided with one can slide pick up magnetic magnetic head 6.
Embodiment 2:
Another kind of improved staff gauge magnetic grating as shown in Figure 3, its structure is similar to embodiment 1, and difference is:
In groove 3, be provided with two and compress 7, two of rubber strips and compress the two edges that rubber strip 7 is positioned at magnetic strip fixing strip 4, further guaranteed the linearity of magnetic strip fixing strip 4, also further improved the measuring accuracy of staff gauge magnetic grating.
Above-mentioned embodiment is a preferred embodiment of the present utility model; can not limit claim of the present utility model; other any change that does not deviate from the technical solution of the utility model and made or other equivalent substitute mode are included within the protection domain of the present utility model.
Claims (9)
1, improved staff gauge magnetic grating comprises chi shell and magnetic stripe, and magnetic stripe is positioned at the chi shell, it is characterized in that: have groove in the described chi shell, be provided with magnetic strip fixing strip in the groove, an end of magnetic strip fixing strip is fixedlyed connected with groove, the other end is the end that freely stretches, and magnetic stripe is fixed on the magnetic strip fixing strip.
2, improved staff gauge magnetic grating according to claim 1 is characterized in that: described magnetic stripe is fixed on the magnetic strip fixing strip by the mode of pasting.
3, improved staff gauge magnetic grating according to claim 1 is characterized in that: described chi shell is made by aluminium section bar.
4, improved staff gauge magnetic grating according to claim 3, it is characterized in that: described magnetic strip fixing strip is made by steel.
5, improved staff gauge magnetic grating according to claim 1 is characterized in that: described magnetic strip fixing strip is embedded in the groove by the mode of interting.
6, improved staff gauge magnetic grating according to claim 1 is characterized in that: an end of described magnetic strip fixing strip is fixedlyed connected with groove by screw.
7, improved staff gauge magnetic grating according to claim 1 is characterized in that: described chi shell is by forming more than one section or one section.
8, improved staff gauge magnetic grating according to claim 1 is characterized in that: the lower end of described chi shell be provided with one can slide pick up the magnetic magnetic head.
9, improved staff gauge magnetic grating according to claim 1 is characterized in that: be provided with two and compress rubber strip in described groove, two compress the two edges that rubber strip is positioned at magnetic strip fixing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052815U CN201392175Y (en) | 2009-03-18 | 2009-03-18 | Improved ruler magnetic grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052815U CN201392175Y (en) | 2009-03-18 | 2009-03-18 | Improved ruler magnetic grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392175Y true CN201392175Y (en) | 2010-01-27 |
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ID=41598997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920052815U Expired - Lifetime CN201392175Y (en) | 2009-03-18 | 2009-03-18 | Improved ruler magnetic grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392175Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010121507A1 (en) * | 2009-04-24 | 2010-10-28 | 广州市诺信数字测控设备有限公司 | Supporting plate structure for magnetoscale |
| CN103630064A (en) * | 2012-08-22 | 2014-03-12 | 大银微***股份有限公司 | Movable original point structure of enclosed position measuring device |
-
2009
- 2009-03-18 CN CN200920052815U patent/CN201392175Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010121507A1 (en) * | 2009-04-24 | 2010-10-28 | 广州市诺信数字测控设备有限公司 | Supporting plate structure for magnetoscale |
| US8782916B2 (en) | 2009-04-24 | 2014-07-22 | Guangzhou Lokshun Cnc Equipment Ltd | Supporting plate structure for magnetoscale |
| CN103630064A (en) * | 2012-08-22 | 2014-03-12 | 大银微***股份有限公司 | Movable original point structure of enclosed position measuring device |
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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: 20100127 Effective date of abandoning: 20090318 |