CN103968724B - 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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- CN103968724B CN103968724B CN201410235199.6A CN201410235199A CN103968724B CN 103968724 B CN103968724 B CN 103968724B CN 201410235199 A CN201410235199 A CN 201410235199A CN 103968724 B CN103968724 B CN 103968724B
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- shrinkage cavity
- lever
- cavity block
- gage button
- set screw
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 7
- 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
- 238000007747 plating Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance 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
- 238000005299 abrasion Methods 0.000 description 2
- 230000013011 mating Effects 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
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001215 vagina Anatomy 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 is and in particular to a kind of radially wobble contracting for lever-type micrometer
Aperture apparatus and its shrinkage cavity method.
Background technology
Lever-type micrometer utilizes lever principle and dial gauge between two measuring surface on the chi frame of arcuate movement gage button end points
The distance cut carries out the general length Precision measurement tools of reading.In use, movable gage button is in activity for lever-type micrometer
Often enter in the chi frame of gage button end and often go out so that the movable gage button hole in the chi frame of movable gage button end is worn, for a long time thus have impact on
The use degree of accuracy of lever-type micrometer, even results in lever-type micrometer and scraps and can not use.Prior art is for this kind of situation
Method for maintaining includes：Impact shrinkage cavity method, extruding shrinkage cavity method, drill bushing method and chromium plating.
Wherein, impact shrinkage cavity method：It is to be reduced the movable gage button hole being worn aperture thus reducing work using special punching pin
Gap between dynamic gage button and movable gage button hole；The advantage of this method is shortcoming easy and simple to handle is outside the easy Influence from Eccentric in movable gage button hole
See and cause movable gage button hole local deformation, service life is short.Extruding shrinkage cavity method：It is using a kind of compression tool（Extruding work
Tool is similar to screw tap）, during extruding, the movable gage button in the hole toggle in movable gage button end chi frame makes head on attacks and for hole wall metal to be extruded into spiral shell
The recess of stricture of vagina, forms the helix of a projection.Slightly ground, this method can make movable gage button hole circumferentially uniform shrinkage,
Will not shift, also Charpy shrinkage cavity method is good for service life, the shortcoming using this method is operation and equipment is complicated.Drill bushing method：
It is to bore a copper bush in former activity gage button hole to make the good shaft hole matching of acquisition, advantage is not deface, long service life,
Particularly can repeatedly be repaired, shortcoming is complex operation, putting position no surplus.Chromium plating：It is using movable gage button surface
Plating last layer chromium, then after recording bore dia, by the movable gage button external diameter of chromium plating be ground to movable gage button bore dia slightly larger when, will live
Dynamic gage button and movable gage button hole lappingout and obtain, shortcoming is to waste time and energy, uneconomical.
Content of the invention
Radially wobble shrinkage cavity device and its shrinkage cavity method it is an object of the invention to provide a kind of for lever-type micrometer,
This shrinkage cavity device structure is simple, easy and simple to handle, combines configuration using adjustable set screw with shrinkage cavity block, effectively solve by
The problem radially wobbling in use in the movable gage button that abrasion causes.Be easy to the multiple repairing of lever-type micrometer so that
Precision reaches the accuracy standard of lever-type micrometer to lever-type micrometer after repairing in use, extends lever thousand after repairing
Divide the service life of chi.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of radially wobble shrinkage cavity device for lever-type micrometer, be arranged on lever-type micrometer activity gage button end chi frame
Adjust in the hole, 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 block；
A pair of set screw, one end of a pair of above-mentioned set screw is corresponding with a pair of above-mentioned shrinkage cavity block respectively to be connected；This regulation spiral shell
The other end of silk is separately positioned in the movable gage button end chi frame of lever-type micrometer.
Above-mentioned radially wobble shrinkage cavity device for lever-type micrometer, be characterized in, above-mentioned shrinkage cavity block inwall is in circle
Arc, the inwall of this shrinkage cavity block is matched with the outer wall of the movable gage button of lever-type micrometer；The lateral wall of this shrinkage cavity block is provided with fixed
Position pin.
Above-mentioned radially wobble shrinkage cavity device for lever-type micrometer, be characterized in, one end of above-mentioned set screw
It is provided with pin hole.
Above-mentioned radially wobble shrinkage cavity device for lever-type micrometer, be characterized in, above-mentioned alignment pin with above-mentioned
Being adapted of pin hole.
A kind of shrinkage cavity method radially wobbling shrinkage cavity device for above-mentioned lever-type micrometer, is characterized in, the method bag
Containing following steps：
Step 1, bores a pair of adjustment hole in the both sides corresponding position of the movable gage button end chi frame of above-mentioned lever-type micrometer.
Step 2, the inwall of a pair of above-mentioned shrinkage cavity block is respectively coated with grinding sand oil, and alignment pin to shrinkage cavity block by this
Mate setting with the pin hole in a pair of above-mentioned set screw respectively；And a pair of shrinkage cavity block after coupling is connected, regulation spiral shell
Silk be individually positioned in above-mentioned a pair of regulation in the hole so that above-mentioned movable gage button and this to passing through grinding sand oil between shrinkage cavity block
Lapping-in uniformly simultaneously deburring.
Step 3, this is taken out to shrinkage cavity block in this is to adjustment hole, above-mentioned movable gage button is taken in lever-type micrometer
Go out, be respectively washed above-mentioned movable gage button outer wall, the circular arc inwall of a pair of shrinkage cavity block, movable gage button hole, with will this activity
Gage button is placed on this movable gage button in the hole.
Step 4, the alignment pin of a pair of above-mentioned shrinkage cavity block is mated with the pin hole of a pair of above-mentioned set screw respectively
Setting；And this after coupling connection is individually positioned in a pair of above-mentioned regulation in the hole to shrinkage cavity block, set screw.
Step 5, adjusts this to set screw so that this is debugged to shrinkage cavity block meets this lever to movable gage button measuring accuracy
After the calibration accuracy standard of micrometer, fix this to set screw in the position of movable gage button end chi frame.
The present invention compared with prior art has advantages below：
What the present invention provided a kind of radially wobbles shrinkage cavity device and its shrinkage cavity method, by shrinkage cavity for lever-type micrometer
Block is matched with set screw, and set screw uses glue sealing after being adjusted to optimum position.The present invention can by shrinkage cavity block with
Set screw coordinates, and the gap that brill activity gage button hole and activity are surveyed between boring is surveyed in the activity being capable of quick regulation 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
The service life of lever-type micrometer can be extended.
Brief description
Fig. 1 is a kind of overall structure diagram radially wobbling shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 2 is a kind of lever thousand with shrinkage cavity device radially wobbling shrinkage cavity device for lever-type micrometer of the present invention
Divide chi overall schematic.
Fig. 3 is a kind of sectional view radially wobbling shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 4 is a kind of sectional view of the set screw radially wobbling shrinkage cavity device for lever-type micrometer of the present invention.
Fig. 5 is a kind of partial sectional view of the embodiment radially wobbling shrinkage cavity device for lever-type micrometer of the present invention.
Specific 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 movable gage button end chi frame 310
One end, 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
It is provided with movable gage button hole 311, adjustment hole 312, movable gage button 320 is arranged in movable gage button hole 311, and shrinkage cavity device is arranged on tune
In knothole 312.
Radially wobble shrinkage cavity device as shown in figure 1, a kind of for lever-type micrometer, this device comprises：A pair of shrinkage cavity block
100, this is separately positioned on the movable gage button 320 outer wall both sides of lever-type micrometer 300 to shrinkage cavity block 100；A pair of set screw
200, one end of each set screw 200 is corresponding with each shrinkage cavity block 100 respectively to be connected；The other end of this set screw 200 divides
It is not arranged in the movable gage button end chi frame 310 of lever-type micrometer 300.
As shown in figure 3, the inwall of shrinkage cavity block 100 is in circular arc, the inwall of this shrinkage cavity block 100 and lever-type micrometer 300
The outer wall of movable gage button 320 matches.The outer wall of shrinkage cavity block 100 is provided with alignment pin 110.
The inwall circular arc of shrinkage cavity block 100 is concentric circular with movable gage button 320 section, in the present embodiment, movable gage button 320
Diameter of section is 8mm, and the inwall arc diameter of shrinkage cavity block 100 is 8mm, and the depth of section of shrinkage cavity block 100 is 2.5mm, shrinkage cavity block
100 cross-sectional width is 0.5mm.The depth of section of the alignment pin 110 of shrinkage cavity block 100 is 0.5mm, and width is 0.5mm.This enforcement
The shrinkage cavity block 100 of example is made using copper material.
As shown in Figure 2, Figure 4 shows, one end of set screw 200 is provided with pin hole 210 so that set screw 200 and shrinkage cavity block
100 can mate connection.The other end of this set screw 200 is provided with mating hole 220, instrument regulation activity gage button easy to use
Moving position between 320 and shrinkage cavity block 100.
In the present embodiment, pin hole 210 depth of section of set screw 200 is 0.5mm, and width is 0.6mm.
As shown in figure 3, shrinkage cavity block 100 pass through alignment pin 110 and pin hole 210 mate setting, with set screw 200
Join connection.
As shown in figure 5, during lever-type micrometer 300 is used for measurement use for a long time, the size in movable gage button hole 311
Because fretting wear gradually can not be mated with the size of movable gage button 320, then lead to lever-type micrometer 300 in concrete measurement process
Needle dial 330 pointer unstable, affect certainty of measurement.There is provided a kind of radial direction for lever-type micrometer by using the present invention
Swing shrinkage cavity device, this shrinkage cavity device be arranged in the adjustment hole 312 of lever-type micrometer 300, adjusted after so that lever thousand
Divide chi in actual measurement, needle dial 330 pointer is stable, improves certainty of measurement.Concrete shrinkage cavity method is as follows：
As shown in Fig. 2 step 2, bore one in the both sides corresponding position of the movable gage button end chi frame 310 of lever-type micrometer 300
To adjustment hole 312.This is matched to the size of set screw 200 with this to the size of adjustment hole 312.This is to regulation
The concrete correspondence position in hole 312 should be in alignment with the diameter of section of movable gage button 320.
Step 2, the inwall of a pair of shrinkage cavity block 100 is respectively coated with grinding sand oil, and alignment pin to shrinkage cavity block 100 by this
110 mate setting with the pin hole 210 in a pair of set screw 200 respectively；And a pair of shrinkage cavity block 100 after coupling is connected,
Set screw 200 be individually positioned in a pair of adjustment hole 312 so that above-mentioned movable gage button 320 and this to shrinkage cavity block 100 between
By grind sand oil lapping-in uniformly and deburring so that movable gage button 320 and this contact area between shrinkage cavity block 100 is reached
Maximize.
Grinding sand oil used in the present embodiment is extraordinary grinding chromium oil.
Step 3, this is taken out in this is to adjustment hole 312 to shrinkage cavity block 100, by above-mentioned movable gage button 320 from activity
Take out in gage button hole 311, be respectively washed above-mentioned movable gage button 320 outer wall, the circular arc inwall of a pair of shrinkage cavity block 100, activity
Gage button hole 311, with will this movable gage button 320 be placed in this movable gage button hole 311.
Step 4, by this to the alignment pin 110 of shrinkage cavity block 100 respectively with this to the pin hole in set screw 200 210
Arranging is put；And this after coupling connection is individually positioned in this in adjustment hole 312 to shrinkage cavity block 100, set screw 200.
Step 5, adjusts this to set screw 200 so that this is debugged to shrinkage cavity block 100 to the measuring accuracy of movable gage button 320
After meeting the calibration accuracy standard of this lever-type micrometer 300, this is fixed on movable gage button end to set screw 200 using glue
Adjustment hole 312 position of the outer end of chi frame 310.
As shown in figure 4, in the present embodiment, this is adjusted to regulation using the mating hole 220 that screwdriver inserts set screw 200
Screw 200 makes this shrinkage cavity block 100 be debugged to movable gage button 320 in concrete measurement, and lever-type micrometer 300 has to measured object
After body positioning, the pointer instruction of needle dial 330 is stable, does not drift about in time, that is, reaches calibration accuracy standard.
In national standard, lever-type micrometer gage button radially wobbles the error of indication of dial gauge and indicating value change requires such as
Under：
Radially wobble dial gauge error of indication calibrating data through the lever-type micrometer gage button before and after this method reparation as follows：
In the present embodiment, after long-time use, the measuring accuracy of lever-type micrometer 300 is due to abrasion etc. for this shrinkage cavity device
When external condition causes to reduce again, it is possible to use the solution such as acetone by through glue sealing this to set screw 200 and activity
Gage button end chi frame 310 separately, readjusts this to the position between shrinkage cavity block 100 and movable gage button 320 so that lever-type micrometer
300 measuring accuracy again reaches calibration accuracy and requires, with will now this to set screw 200 and movable gage button end chi frame
This of 310 fixes this to set screw 200 outer end orifice position to adjustment hole 312 by glue sealing, completes lever thousand again
Divide shrinkage cavity, the repair of chi 300.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
Multiple modifications and substitutions all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (2)
1. a kind of radially wobble shrinkage cavity device for lever-type micrometer, be arranged on lever-type micrometer（300）Movable gage button end chi
Frame（310）Adjustment hole（312）Interior, and and lever-type micrometer（300）Movable gage button（320）Outer wall coupling setting；Its feature
It is, this device comprises：
A pair of shrinkage cavity block（100）；
A pair of set screw（200）, described each set screw（200）One end respectively with each described shrinkage cavity block
（100）Corresponding connection；This set screw（200）The other end be separately positioned on described lever-type micrometer（300）Adjustment hole
（312）Interior；
Wherein, described shrinkage cavity block（100）Inwall be in circular arc, this shrinkage cavity block（100）Inwall and thousand points described of lever
Chi（300）Movable gage button（320）Outer wall match；This shrinkage cavity block（100）Lateral wall be provided with alignment pin（110）；
Described set screw（200）One end be provided with pin hole（210）, make set screw（200）With shrinkage cavity block（100）Energy
Join connection；
Described shrinkage cavity block（100）By alignment pin（110）With described pin hole（210）Coupling setting, with set screw
（200）Coupling connects.
2. a kind of shrinkage cavity method radially wobbling shrinkage cavity device for above-mentioned lever-type micrometer is it is characterised in that the method bag
Containing following steps：
Step 1, in described lever-type micrometer（300）Movable gage button end chi frame（310）Both sides corresponding positions bore one and exchange
Knothole（312）；
Step 2, by a pair of described shrinkage cavity block（100）Inwall be respectively coated with grinding sand oil, and by this to shrinkage cavity block（100）'s
Alignment pin（110）Respectively with a pair of described set screw（200）Interior pin hole（210）Coupling setting；And coupling is connected
A pair of shrinkage cavity block afterwards（100）, set screw（200）It is individually positioned in a pair of described adjustment hole（312）Interior so that described
Movable gage button（320）With this to shrinkage cavity block（100）Between by grinding sand oil lapping-in uniformly and deburring；
Step 3, by this to shrinkage cavity block（100）From this to adjustment hole（312）Interior taking-up, by described movable gage button（320）From this
Take out in lever-type micrometer, be respectively washed described movable gage button（320）Outer wall, a pair of shrinkage cavity block（100）Circular arc inwall,
Movable gage button hole（311）, with will this movable gage button（320）It is placed on this movable gage button hole（311）Interior；
Step 4, by a pair of described shrinkage cavity block（100）Alignment pin（110）Respectively with a pair of described set screw（200）'s
Pin hole（210）Coupling setting；And a pair of shrinkage cavity block after coupling is connected（100）, set screw（200）It is individually positioned in institute
A pair of the adjustment hole stated（312）Interior；
Step 5, adjusts this to set screw（200）Make this to shrinkage cavity block（100）Debug to movable gage button（320）Measuring accuracy
Meet this lever-type micrometer（300）Calibration accuracy standard after, fix this to set screw（200）In movable gage button end chi frame
（310）Position.
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 CN103968724A (en) | 2014-08-06 |
| CN103968724B true 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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| Country | Link |
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| CN (1) | CN103968724B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215157A1 (en) * | 1983-03-24 | 1984-10-31 | Thomas Lange | MEASURING DEVICE FOR HOLES |
| 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 |
-
2014
- 2014-05-29 CN CN201410235199.6A patent/CN103968724B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215157A1 (en) * | 1983-03-24 | 1984-10-31 | Thomas Lange | MEASURING DEVICE FOR HOLES |
| 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 |
|---|
| 杠杆千分尺示值变动性和两测量面平行度的修理;周红;《计量技术》;19911231(第10期);全文 * |
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