CN103968724A - Radial swing hole shrinking device used for lever micrometer and hole shrinking method thereof - Google Patents
Radial swing hole shrinking device used for lever micrometer and hole shrinking method thereof Download PDFInfo
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- CN103968724A CN103968724A CN201410235199.6A CN201410235199A CN103968724A CN 103968724 A CN103968724 A CN 103968724A CN 201410235199 A CN201410235199 A CN 201410235199A CN 103968724 A CN103968724 A CN 103968724A
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- shrinkage cavity
- lever
- gage button
- pair
- adjusting screw
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000000694 effects Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 230000007774 longterm Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a radial swing hole shrinking device used for a lever micrometer and a hole shrinking method of the radial swing hole shrinking device. The device comprises a pair of hole shrinking blocks, and a pair of adjusting screws, wherein one end of each adjusting screw is connected with each hole shrinking block in a one-to-one corresponding manner, and the other end of the adjusting screw is arranged in each of two sides of a frame at a movable measuring anvil end of the lever micrometer. According to the radial swing hole shrinking device used for the lever micrometer and the hole shrinking method of the radial swing hole shrinking device provided by the invention, the hole shrinking device is simple in structure, and easy and convenient to operate, by utilizing the combined configuration of the adjustable adjusting screws and the hole shrinking blocks with cross sections in the shape of circular arc belts, the problem of the radial swing of a movable measuring anvil in the using process caused by the enlargement of a movable measuring anvil hole due to the wear of the movable measuring anvil after long-term use is effectively solved. The repeated repair for the lever micrometer is facilitated, so that the precision of the repaired lever micrometer meets the precision standards of the lever micrometer in the using process, and the service life of the lever micrometer is prolonged after repair.
Description
Technical field
The present invention relates to the maintenance unit of lever-type micrometer, be specifically related to a kind ofly radially wobble shrinkage cavity device and shrinkage cavity method thereof for lever-type micrometer.
Background technology
Lever-type micrometer utilizes lever principle and indicating gauge the distance of cutting apart between two measurement faces on the movable gage button end of arc chi frame to be carried out to the general length precision measurement instrument of reading.Lever-type micrometer in use, movable gage button often often enters in movable gage button end chi frame, movable gage button hole in movable gage button end chi frame is worn for a long time, thereby has affected the use degree of accuracy of lever-type micrometer, even causing lever-type micrometer to be scrapped can not use.Prior art comprises for the method for maintaining of this kind of situation: impact shrinkage cavity method, extruding shrinkage cavity method, drill bushing method and chromium plating.
Wherein, impact shrinkage cavity method: thus be to utilize special punching pin the aperture, movable gage button hole being worn to be dwindled to the gap reducing between movable gage button and movable gage button hole; The advantage of this method is that shortcoming easy and simple to handle is the easy Influence from Eccentric outward appearance in movable gage button hole and causes movable gage button hole local deformation, and serviceable life is short.Extruding shrinkage cavity method: be to utilize a kind of compression tool (compression tool is similar to screw tap), make head on attacks and hole wall metal is extruded into the recess of screw thread with toggle in the movable gage button hole of movable gage button end chi frame when extruding, form the helix of a projection.Slightly, through grinding, this method can make movable gage button hole shrink along even circumferential, can not be offset, and serviceable life, also Charpy shrinkage cavity method was good, and the shortcoming that uses this method is operation and equipment complexity.Drill bushing method: be to bore a copper bush to make to obtain good shaft hole matching in former movable gage button hole, advantage is not deface, and long service life particularly can repeatedly be repaired, and shortcoming is complicated operation, and putting position is without surplus.Chromium plating: be utilization activity gage button plated surface last layer chromium, then record after bore dia, the movable gage button external diameter of chromium plating is ground to movable gage button bore dia when slightly large, by movable gage button and movable gage button hole lappingout and obtain, shortcoming is to waste time and energy, uneconomical.
Summary of the invention
The object of the present invention is to provide and a kind ofly radially wobble shrinkage cavity device and shrinkage cavity method thereof for lever-type micrometer, this shrinkage cavity device is simple in structure, easy and simple to handle, utilize adjustable adjusting screw and shrinkage cavity piece combination configuration, the problem that the movable gage button that effectively solution causes due to wearing and tearing in use radially wobbles.Be convenient to the repeatedly repairing of lever-type micrometer, make lever-type micrometer after repairing in use precision reach the accuracy standard of lever-type micrometer, after repairing, extended the serviceable life of lever-type micrometer.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
For the shrinkage cavity device that radially wobbles of lever-type micrometer, be arranged in the adjustment hole of the movable gage button end of lever-type micrometer chi frame, and mate setting with the movable gage button outer wall of lever-type micrometer, be characterized in, this device comprises: a pair of shrinkage cavity piece; A pair of adjusting screw, one end of above-mentioned a pair of adjusting screw respectively with the above-mentioned corresponding connection of a pair of shrinkage cavity piece; The other end of this adjusting screw is separately positioned in the movable gage button end chi frame of lever-type micrometer.
The above-mentioned shrinkage cavity device that radially wobbles for lever-type micrometer, is characterized in, above-mentioned shrinkage cavity piece inwall is circular arc, and the outer wall of the inwall of this shrinkage cavity piece and the movable gage button of lever-type micrometer matches; The lateral wall of this shrinkage cavity piece is provided with register pin.
The above-mentioned shrinkage cavity device that radially wobbles for lever-type micrometer, is characterized in, one end of above-mentioned adjusting screw is provided with pin hole.
The above-mentioned shrinkage cavity device that radially wobbles for lever-type micrometer, is characterized in, above-mentioned register pin and above-mentioned pin hole suitable.
For a shrinkage cavity method that radially wobbles shrinkage cavity device for above-mentioned lever-type micrometer, be characterized in, the method comprises following steps:
Step 1, bores a pair of adjustment hole at the both sides corresponding position of the movable gage button end chi frame of above-mentioned lever-type micrometer.
Step 2, applies respectively abrasive sand oil by the inwall of above-mentioned a pair of shrinkage cavity piece, and this is mated to setting with the pin hole in above-mentioned a pair of adjusting screw respectively to the register pin of shrinkage cavity piece; And a pair of shrinkage cavity piece, adjusting screw after coupling is connected be placed on respectively in above-mentioned a pair of adjustment hole, make above-mentioned movable gage button with this between shrinkage cavity piece by the even also deburring of abrasive sand oil lapping-in.
Step 3, by this to shrinkage cavity piece from this to taking out in adjustment hole, above-mentioned movable gage button is taken out in lever-type micrometer, clean respectively the circular arc inwall of above-mentioned movable gage button outer wall, a pair of shrinkage cavity piece, movable gage button hole, with being placed in this activity gage button hole by this activity gage button.
Step 4, mates setting with the pin hole of above-mentioned a pair of adjusting screw respectively by the register pin of above-mentioned a pair of shrinkage cavity piece; And by coupling connect after this shrinkage cavity piece, adjusting screw are placed on respectively in above-mentioned a pair of adjustment hole.
Step 5, regulates this to adjusting screw, this to be met after the calibration accuracy standard of this lever-type micrometer to shrinkage cavity piece debugging to movable gage button measuring accuracy, fix this to adjusting screw the position at movable gage button end chi frame.
The present invention compared with prior art has the following advantages:
Provided by the invention a kind of for lever-type micrometer radially wobble shrinkage cavity device and shrinkage cavity method thereof, match with adjusting screw by shrinkage cavity piece, adjusting screw is used glue sealing after being adjusted to optimum position.The present invention can coordinate with adjusting screw by shrinkage cavity piece, the movable gage button hole of brill and the movable gap of surveying between brill are surveyed in activity that can quick adjustment lever-type micrometer, repeatedly carry out shrinkage cavity maintenance, improve maintenance efficiency, improve the service precision of lever-type micrometer, reduce shrinkage cavity rehabilitation cost, and can extend the serviceable life of lever-type micrometer.
Brief description of the drawings
Fig. 1 is a kind of one-piece construction schematic diagram that radially wobbles shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 2 is a kind of lever-type micrometer overall schematic with shrinkage cavity device that radially wobbles shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 3 is a kind of cut-open view that radially wobbles shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 4 is the cut-open view of a kind of adjusting screw that radially wobbles shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 5 is the partial sectional view of a kind of embodiment that radially wobbles shrinkage cavity device for lever-type micrometer of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Fig. 2, Fig. 5, lever-type micrometer 300 to be repaired comprises: movable gage button end chi frame 310, movable gage button 320, needle dial 330, microdrum 340 and micrometric screw 350.Movable gage button 320, needle dial 330 are arranged on one end of movable gage button end chi frame 310, and micrometric screw 350, microdrum 340 are arranged on the other end of movable gage button end chi frame 310.Movable gage button end chi frame 310 is provided with movable gage button hole 311, adjustment hole 312, and movable gage button 320 is arranged in movable gage button hole 311, and shrinkage cavity device is arranged in adjustment hole 312.
As shown in Figure 1, a kind of shrinkage cavity device that radially wobbles for lever-type micrometer, this device comprises: a pair of shrinkage cavity piece 100, this is separately positioned on the movable gage button 320 outer wall both sides of lever-type micrometer 300 to shrinkage cavity piece 100; A pair of adjusting screw 200, one end of each adjusting screw 200 is connection corresponding to each shrinkage cavity piece 100 respectively; The other end of this adjusting screw 200 is separately positioned in the movable gage button end chi frame 310 of lever-type micrometer 300.
As shown in Figure 3, the inwall of shrinkage cavity piece 100 is circular arc, and the outer wall of the movable gage button 320 of the inwall of this shrinkage cavity piece 100 and lever-type micrometer 300 matches.The outer wall of shrinkage cavity piece 100 is provided with register pin 110.
The inwall circular arc of shrinkage cavity piece 100 and movable gage button 320 cross sections are concentric circles, in the present embodiment, the diameter of section of movable gage button 320 is 8mm, and the inwall arc diameter of shrinkage cavity piece 100 is 8mm, the depth of section of shrinkage cavity piece 100 is 2.5mm, and the cross-sectional width of shrinkage cavity piece 100 is 0.5mm.The depth of section of the register pin 110 of shrinkage cavity piece 100 is 0.5mm, and width is 0.5mm.The shrinkage cavity piece 100 of the present embodiment adopts copper material to make.
As shown in Figure 2, Figure 4 shows, one end of adjusting screw 200 is provided with pin hole 210, makes adjusting screw 200 can mate and be connected with shrinkage cavity piece 100.The other end of this adjusting screw 200 is provided with mating hole 220, the moving position between instrument adjusting activity gage button 320 easy to use and shrinkage cavity piece 100.
In the present embodiment, pin hole 210 depth of sections of adjusting screw 200 are 0.5mm, and width is 0.6mm.
As shown in Figure 3, shrinkage cavity piece 100 is the setting of mating with pin hole 210 by register pin 110, is connected with adjusting screw 200 couplings.
As shown in Figure 5, at lever-type micrometer 300 for a long time for measuring use procedure, the size in movable gage button hole 311 is because rubbing wear can not be mated with the size of movable gage button 320 gradually, in concrete measuring process, cause needle dial 330 pointers of lever-type micrometer 300 unstable, affect measuring accuracy.The application of the invention provides a kind of shrinkage cavity device that radially wobbles for lever-type micrometer, this shrinkage cavity device is arranged in the adjustment hole 312 of lever-type micrometer 300, after regulating, makes lever-type micrometer in actual measurement, needle dial 330 pointers are stable, improve measuring accuracy.Concrete shrinkage cavity method is as follows:
As shown in Figure 2, step 2, bores a pair of adjustment hole 312 at the both sides corresponding position of the movable gage button end chi frame 310 of lever-type micrometer 300.This size and this size to adjusting screw 200 to adjustment hole 312 matches.This should be in alignment with the diameter of section of movable gage button 320 to the concrete correspondence position of adjustment hole 312.
Step 2, applies respectively abrasive sand oil by the inwall of a pair of shrinkage cavity piece 100, and this is mated to setting with the pin hole 210 in a pair of adjusting screw 200 respectively to the register pin 110 of shrinkage cavity piece 100; And a pair of shrinkage cavity piece 100, adjusting screw 200 after coupling connection are placed on respectively in a pair of adjustment hole 312, make above-mentioned movable gage button 320 and this between shrinkage cavity piece 100 by abrasive sand oil lapping-in evenly and deburring, make movable gage button 320 and this reach maximization to the contact area between shrinkage cavity piece 100.
The abrasive sand oil using in the present embodiment is special type grinding chromium oil.
Step 3, by this to shrinkage cavity piece 100 from this to the interior taking-up of adjustment hole 312, by above-mentioned movable gage button 320 from the 311 interior taking-ups of movable gage button hole, clean respectively the circular arc inwall of above-mentioned movable gage button 320 outer walls, a pair of shrinkage cavity piece 100, movable gage button hole 311, with being placed in this activity gage button hole 311 by this activity gage button 320.
Step 4, mates setting with this to the pin hole 210 in adjusting screw 200 by this respectively to the register pin 110 of shrinkage cavity piece 100; And by coupling connect after this shrinkage cavity piece 100, adjusting screw 200 are placed on respectively to this in adjustment hole 312.
Step 5, regulate this to adjusting screw 200, this to be met after the calibration accuracy standard of this lever-type micrometer 300 to shrinkage cavity piece 100 debugging to the measuring accuracy of movable gage button 320, use glue that this is fixed on to adjustment hole 312 positions of the outer end of movable gage button end chi frame 310 to adjusting screw 200.
As shown in Figure 4, in the present embodiment, the mating hole 220 that adopts screwdriver to insert adjusting screw 200 regulates this to adjusting screw 200, this to be debugged to movable gage button 320 in concrete measurement to shrinkage cavity piece 100, after lever-type micrometer 300 is specifically located measured object, the pointer instruction of needle dial 330 is stable, drift in time, does not reach calibration accuracy standard.
In national standard, the error of indication and indicating value variation that lever-type micrometer gage button radially wobbles indicating gauge require as follows:
It is as follows that lever-type micrometer gage button before and after this method reparation radially wobbles indicating gauge error of indication calibrating data:
In the present embodiment, this shrinkage cavity device is after long-time use, when the measuring accuracy of lever-type micrometer 300 reduces again because the external conditions such as wearing and tearing cause, can use the solution such as acetone adjusting screw 200 and movable gage button end chi frame 310 to be separated through this of glue sealing, readjust this to the position between shrinkage cavity piece 100 and movable gage button 320, make the measuring accuracy of lever-type micrometer 300 again reach calibration accuracy requirement, with being about to now this, this of adjusting screw 200 and movable gage button end chi frame 310 fixed to this to adjusting screw 200 positions, aperture, outer end to adjustment hole 312 by glue sealing, complete again the shrinkage cavity of lever-type micrometer 300, repair.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. for the shrinkage cavity device that radially wobbles of lever-type micrometer, be arranged in the adjustment hole (312) of lever-type micrometer (300) movable gage button end chi frame (310), and mate setting with movable gage button (320) outer wall of lever-type micrometer (300); It is characterized in that, this device comprises:
A pair of shrinkage cavity piece (100);
A pair of adjusting screw (200), one end of described each adjusting screw (200) respectively with the described corresponding connection of each shrinkage cavity piece (100); The other end of this adjusting screw (200) is separately positioned in the adjustment hole (312) of described lever-type micrometer (300).
2. the shrinkage cavity device that radially wobbles for lever-type micrometer as claimed in claim 1, it is characterized in that, the inwall of described shrinkage cavity piece (100) is circular arc, and the outer wall of the movable gage button (320) of the inwall of this shrinkage cavity piece (100) and described lever-type micrometer (300) matches; The lateral wall of this shrinkage cavity piece (100) is provided with register pin (110).
3. the shrinkage cavity device that radially wobbles for lever-type micrometer as claimed in claim 2, is characterized in that, one end of described adjusting screw (200) is provided with pin hole (210).
4. the shrinkage cavity device that radially wobbles for lever-type micrometer as claimed in claim 3, is characterized in that, described register pin (110) is suitable with described pin hole (210).
5. for a shrinkage cavity method that radially wobbles shrinkage cavity device for above-mentioned lever-type micrometer, it is characterized in that, the method comprises following steps:
Step 1, bores a pair of adjustment hole (312) at the both sides corresponding position of the movable gage button end chi frame (310) of described lever-type micrometer (300);
Step 2, applies respectively abrasive sand oil by the inwall of described a pair of shrinkage cavity piece (100), and this register pin (110) to shrinkage cavity piece (100) is mated to setting with the pin hole (210) in described a pair of adjusting screw (200) respectively; And a pair of shrinkage cavity piece (100), adjusting screw (200) after coupling is connected be placed on respectively in described a pair of adjustment hole (312), make described movable gage button (320) with this between shrinkage cavity piece (100) by the even also deburring of abrasive sand oil lapping-in;
Step 3, this is taken out adjustment hole (312) is interior from this shrinkage cavity piece (100), described movable gage button (320) is taken out in this lever-type micrometer, clean respectively described movable gage button (320) outer wall, the circular arc inwall of a pair of shrinkage cavity piece (100), movable gage button hole (311), with being placed in this activity gage button hole (311) by this activity gage button (320);
Step 4, mates setting with the pin hole (210) of described a pair of adjusting screw (200) respectively by the register pin (110) of described a pair of shrinkage cavity piece (100); And a pair of shrinkage cavity piece (100), adjusting screw (200) after coupling connection are placed on respectively in described a pair of adjustment hole (312);
Step 5, regulate this to adjusting screw (200), this to be met after the calibration accuracy standard of this lever-type micrometer (300) to shrinkage cavity piece (100) debugging to movable gage button (320) measuring accuracy, fix this to adjusting screw (200) position at movable gage button end chi frame (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235199.6A CN103968724B (en) | 2014-05-29 | 2014-05-29 | Radial swing hole shrinking device used for lever micrometer and hole shrinking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235199.6A CN103968724B (en) | 2014-05-29 | 2014-05-29 | Radial swing hole shrinking device used for lever micrometer and hole shrinking method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103968724A true CN103968724A (en) | 2014-08-06 |
| CN103968724B CN103968724B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410235199.6A Expired - Fee Related CN103968724B (en) | 2014-05-29 | 2014-05-29 | Radial swing hole shrinking device used for lever micrometer and hole shrinking method thereof |
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| CN (1) | CN103968724B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715966U (en) * | 2010-06-23 | 2011-01-19 | 中国航空工业第六一八研究所 | Maintenance tool for micrometer radial clearance |
| CN202048228U (en) * | 2011-05-12 | 2011-11-23 | 甘肃宏发电力工程技术有限公司 | Bidirectional adjustable shrinkage cavity device for pulverizing system powder tube of coal-fired unit |
| CN202849881U (en) * | 2012-09-14 | 2013-04-03 | 杨平宁 | Eccentric sleeve compressor |
| CN203245718U (en) * | 2013-05-22 | 2013-10-23 | 陕西工业职业技术学院 | Adjustable micrometer combined grinder capable of shortening clearance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215157A1 (en) * | 1983-03-24 | 1984-10-31 | Thomas Lange | MEASURING DEVICE FOR HOLES |
-
2014
- 2014-05-29 CN CN201410235199.6A patent/CN103968724B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715966U (en) * | 2010-06-23 | 2011-01-19 | 中国航空工业第六一八研究所 | Maintenance tool for micrometer radial clearance |
| CN202048228U (en) * | 2011-05-12 | 2011-11-23 | 甘肃宏发电力工程技术有限公司 | Bidirectional adjustable shrinkage cavity device for pulverizing system powder tube of coal-fired unit |
| CN202849881U (en) * | 2012-09-14 | 2013-04-03 | 杨平宁 | Eccentric sleeve compressor |
| CN203245718U (en) * | 2013-05-22 | 2013-10-23 | 陕西工业职业技术学院 | Adjustable micrometer combined grinder capable of shortening clearance |
Non-Patent Citations (1)
| Title |
|---|
| 周红: "杠杆千分尺示值变动性和两测量面平行度的修理", 《计量技术》, no. 10, 31 December 1991 (1991-12-31) * |
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Granted publication date: 20170215 |