CN204514830U - A kind of device improving stepper motor and worm screw right alignment in angular instrument - Google Patents
A kind of device improving stepper motor and worm screw right alignment in angular instrument Download PDFInfo
- Publication number
- CN204514830U CN204514830U CN201520010289.5U CN201520010289U CN204514830U CN 204514830 U CN204514830 U CN 204514830U CN 201520010289 U CN201520010289 U CN 201520010289U CN 204514830 U CN204514830 U CN 204514830U
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- Prior art keywords
- worm screw
- stepper motor
- pad
- screw case
- right alignment
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- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a kind of device improving stepper motor and worm screw right alignment in angular instrument, comprise worm screw case, two worm screws are provided with in worm screw case, worm screw is connected with one end of shaft coupling by the through hole be positioned on worm screw case sidewall, the other end of shaft coupling is connected with the stepper motor output shaft installed on the supporting plate, the cross section of back up pad is L-shaped, and the long limit of back up pad has the pilot hole matched with stepper motor, and minor face is fixedly connected with the casing rear wall epitaxial part of worm screw case.The utility model has the advantages that reasonable in design, easy to process, devise the back up pad of L shape, and back up pad is arranged in the casing rear wall elongated surfaces of worm screw case, motor and worm screw are had public reference field, improves the right alignment of worm screw and stepper motor, thus improve stability and the measuring accuracy of XRF angular instrument, there is the advantages such as with low cost, easy for installation, good practical effect.
Description
Technical field
The utility model relates to a kind of device improving stepper motor and worm screw right alignment in the angular instrument of Xray fluorescence spectrometer, belongs to Xray fluorescence spectrometer angular instrument technical field.
Background technology
At present, the angular instrument required angle resolution of Xray fluorescence spectrometer (XRF) is 0.001 degree, to meet the requirement of high-acruracy survey.Angular instrument adopts two stepper motors connecting worm respectively, and each self-driven close-toothed turbine (θ and 2 θ axles) realizes High-precision angle and controls.According to the applicant understood, existing stepper motor is connected with worm screw by shaft coupling, its structure as shown in Figure 1, stepper motor and index dial are arranged on motor rack, motor rack is connected with worm screw case by support bar, stepper motor and worm screw adopt different supporting constructions to carry out installing, the common reference plane for locating is lacked between two supporting constructions, the positioning precision of support bar is difficult to ensure, and then affect the right alignment of stepper motor and worm screw, make the output shaft of stepper motor and worm screw not on the same axis, finally cause stepper motor job insecurity, shaft coupling deformation is larger, easy generation significantly shakes and noise, have impact on effective output of power of motor, especially there will be when stepper motor High Rotation Speed and lose step phenomenon, affect the normal rotation of worm screw, and then affect overall service precision and the life-span of instrument.
Utility model content
The purpose of this utility model is: for above-mentioned prior art Problems existing, a kind of device improving stepper motor and worm screw right alignment in angular instrument is proposed, accurately locate for stepper motor and worm screw, make stepper motor output shaft and worm screw right alignment good, Instrument measuring precision is high.
In order to reach above object, the utility model provides a kind of device improving stepper motor and worm screw right alignment in angular instrument, comprise worm screw case, two worm screws are provided with in worm screw case, worm screw is connected with one end of shaft coupling by the through hole be positioned on worm screw case sidewall, the other end of shaft coupling is connected with the stepper motor output shaft installed on the supporting plate, the cross section of back up pad is L-shaped, and on the long limit of back up pad, there is the pilot hole matched with stepper motor, the minor face of back up pad and the casing rear wall epitaxial part of worm screw case are rigidly connected, and are formed overall.
In technique scheme, the casing rear wall of worm screw case is reference field, and the minor face of back up pad is fixedly mounted on the casing rear wall epitaxial part of worm screw case, long limit fixedly mounts stepper motor and index dial.
In technique scheme, the long limit of back up pad has two through holes, insert the output shaft of stepper motor in described through hole, and the output shaft of stepper motor is connected with one end of shaft coupling through through hole, the other end of shaft coupling is connected with worm screw.
In technique scheme, worm screw case adopts monolithic construction, the left and right sidewall of worm screw case has two through holes, installs worm screw in through hole.
In technique scheme, the sidewall of worm screw case is positioned at through hole and is provided with bearing mounting base, bearing mounting base is provided with bearing, and worm screw installed by bearing.
In technique scheme, worm screw case is positioned at through hole and is provided with bearing pre-tightened adjustment lid.
The utility model has the advantage of: the utility model is reasonable in design, be convenient to processing, devise the back up pad of L shape, and by back up pad rigid attachment in the casing rear wall elongated surfaces of worm screw case, the public reference field that made motor and worm screw have, improves the right alignment of worm screw and stepper motor, thus improve stability and the measuring accuracy of XRF angular instrument, there is the advantages such as with low cost, easy for installation, good practical effect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of prior art.
Fig. 2 is the structural representation of the utility model embodiment one.
In figure: 1. index dial, 2. back up pad, 3. shaft coupling, 4. bearing, 5. bearing pre-tightened adjustment lid, 6. worm screw case, 7. worm screw, 8. stepper motor, 9. motor rack, 10. boss, 11. support bars.
Embodiment
Embodiment one
The present embodiment improves the device of stepper motor and worm screw right alignment in angular instrument, its structure as shown in Figure 2, comprise worm screw case 6, worm screw case 6 adopts monolithic construction, two worm screws 7 are provided with in worm screw case 6, and two through holes are had on the left and right sidewall of worm screw case 6, be inserted with the worm screw 7 be connected with shaft coupling 3 in through hole.On the sidewall of worm screw case 6, be positioned at through hole be in addition provided with bearing mounting base, be provided with bearing 4 in bearing mounting base, worm screw 7 is arranged on bearing 4, and on worm screw case 6 lateral through aperture, be provided with bearing pre-tightened adjustment lid 5.Worm screw 6 is connected with one end of shaft coupling 3 through the through hole on worm screw case, and the other end of shaft coupling 3 is connected with stepper motor 8 output shaft be arranged in back up pad 2.Wherein the cross section of back up pad 2 is L-shaped, and the long limit fixed installation stepper motor 8 of back up pad 2 and index dial 1, specifically have two through holes, insert the output shaft of stepper motor 8 in through hole on the long limit of back up pad 2; The minor face of back up pad 2 be positioned at worm screw case 6 casing rear wall epitaxial part and be fixedly connected with, and adopt the casing rear wall of worm screw case 6 to be reference field.
During use, first make worm screw 7 and stepper motor 8, be arranged on by bearing 4 on worm screw 7, worm screw 7 and stepper motor 8 are linked together by shaft coupling 3; Secondly make L shape rigid support plate 2, the long limit of back up pad 2 has stepper motor 8 mounting-positioning holes and the through hole for stretching out motor output shaft, and index dial 1 is installed.Then make monoblock type worm screw case 6, back up pad 2 and bearing 4 are arranged on worm screw case 6, and two worm screws 7 are arranged in worm screw case 6, bearing pre-tightened adjustment lid 5 is finally installed in outboard bearing 4 outer end of worm screw case 6.
In addition to the implementation, the utility model also can have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all at the protection domain that the utility model requires.
Claims (6)
1. one kind is improved the device of stepper motor and worm screw right alignment in angular instrument, comprise worm screw case, two worm screws are provided with in described worm screw case, described worm screw is connected with one end of shaft coupling by through hole on worm screw case sidewall, it is characterized in that: the other end of described shaft coupling is connected with the stepper motor output shaft installed on the supporting plate, the cross section of described back up pad is L-shaped, and have the pilot hole matched with stepper motor on the long limit of described back up pad, the minor face of described back up pad and the casing rear wall epitaxial part of worm screw case are rigidly connected.
2. a kind of device improving stepper motor and worm screw right alignment in angular instrument according to claim 1, it is characterized in that: the casing rear wall of described worm screw case is reference field, the minor face of described back up pad is fixedly mounted on the casing rear wall epitaxial part of worm screw case, long limit fixedly mounts stepper motor and index dial.
3. a kind of device improving stepper motor and worm screw right alignment in angular instrument according to claim 2, is characterized in that: the long limit of described back up pad has two through holes, insert the output shaft of stepper motor in described through hole.
4. a kind of device improving stepper motor and worm screw right alignment in angular instrument according to claim 1, it is characterized in that: described worm screw case adopts monolithic construction, the left and right sidewall of described worm screw case has two through holes, in described through hole, worm screw is installed.
5. a kind of device improving stepper motor and worm screw right alignment in angular instrument according to claim 1, it is characterized in that: the sidewall of described worm screw case is positioned at through hole and is provided with bearing mounting base, described bearing mounting base is provided with bearing, and worm screw installed by described bearing.
6. a kind of device improving stepper motor and worm screw right alignment in angular instrument according to claim 5, is characterized in that: on described worm screw case, be positioned at through hole be provided with bearing pre-tightened adjustment lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010289.5U CN204514830U (en) | 2015-01-07 | 2015-01-07 | A kind of device improving stepper motor and worm screw right alignment in angular instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010289.5U CN204514830U (en) | 2015-01-07 | 2015-01-07 | A kind of device improving stepper motor and worm screw right alignment in angular instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514830U true CN204514830U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010289.5U Expired - Fee Related CN204514830U (en) | 2015-01-07 | 2015-01-07 | A kind of device improving stepper motor and worm screw right alignment in angular instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092625A (en) * | 2015-09-15 | 2015-11-25 | 中国地质调查局南京地质调查中心 | Method and device for coupling zero point of goniometer |
-
2015
- 2015-01-07 CN CN201520010289.5U patent/CN204514830U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092625A (en) * | 2015-09-15 | 2015-11-25 | 中国地质调查局南京地质调查中心 | Method and device for coupling zero point of goniometer |
| CN105092625B (en) * | 2015-09-15 | 2018-09-14 | 中国地质调查局南京地质调查中心 | A kind of method and device of coupling angular instrument zero |
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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 |
Granted publication date: 20150729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |