CN106152905A - Cantilevered dial gauge calibrator - Google Patents
Cantilevered dial gauge calibrator Download PDFInfo
- Publication number
- CN106152905A CN106152905A CN201610457908.4A CN201610457908A CN106152905A CN 106152905 A CN106152905 A CN 106152905A CN 201610457908 A CN201610457908 A CN 201610457908A CN 106152905 A CN106152905 A CN 106152905A
- Authority
- CN
- China
- Prior art keywords
- dial gauge
- hoisting gear
- lowering
- spheric probe
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A kind of cantilevered dial gauge calibrator is provided, there is base and column, described column lower end is fixed on base end, dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear are installed on described column and dial gauge lowering or hoisting gear is positioned at above spheric probe lowering or hoisting gear, described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear move up and down its operating position of regulation with the lead adaptation tailing edge lead being fixed on base, described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear are fixed on column by the fixing screw on dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear, workpiece is placed between dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear the measured value confirming workpiece after measuring by reading the numerical value on dial gauge.The present invention can intuitively, accurately, economical, realize online or in-site measurement easily, easy and simple to handle, reading is directly perceived, has applied widely, it is easy to popularization and application, the advantage that practicality is good.
Description
Technical field
The invention belongs to measuring instrument technical field, be specifically related to a kind of cantilevered dial gauge calibrator.
Background technology
In the general measurer of geometric sense, wall thickness micrometer gauge and thickness of slab micrometer are mainly by chi frame, gage button, micrometric screw, lock
Tight device, fixing sleeve, microdrum, device for measuring force and thermal insulation board composition, for measuring the thickness (wall thickness and thickness of slab) of workpiece；Deeply
Degree micrometer is mainly made up of device for measuring force, microdrum, fixing sleeve, locking device, pedestal and measurement bar, is used for measuring workpiece
Hole or the degree of depth of groove and shoulder height；Degree of depth dial gauge is mainly by dial gauge, locking device, pedestal, interchangeable measuring staff and survey
Head composition, main uses is identical with micrometric depth gauge, and its sharpest edges are that reading is directly perceived, also can select according to measuring needs
The dial gauge of different measuring precision or amesdial, it is achieved the depth survey to different pore size different accuracy.But, prior art
Under, although the wall thickness of workpiece, thickness of slab can directly be measured by wall thickness micrometer gauge and thickness of slab micrometer, but due to the limit of chi frame
System, the measurement for workpiece is only limitted to its local, edge, is less than to away from edge because wall thickness micrometer gauge maximum can only be measured
20mm, thickness of slab micrometer maximum can only measure to away from edge less than 50mm, the measurement for its more deep-section just cannot be real
Existing；The pedestal measuring surface of degree of depth dial gauge and micrometric depth gauge mostly is the rectangle plane of 16.5 × 100mm, is only applicable to workpiece
The workpiece with plane as measuring basis such as blind hole and groove carries out depth survey, when needs to such as curved surface, sphere, etc. special form
When the workpiece of shape measures, its pedestal can not be fitted with tested datum level, thus affects certainty of measurement, for special shape work
When the thickness (degree of depth) of part measures, it is difficult to set up measuring basis, it is impossible to realize directly measuring, therefore, it is necessary to enter
Row improves.
Summary of the invention
Present invention solves the technical problem that: provide a kind of cantilevered dial gauge calibrator, by with dial gauge lowering or hoisting gear
With the cantilevered dial gauge calibrator that spheric probe lowering or hoisting gear is principal character, solve prior art lower wall thickness micrometer, plate
Thick micrometer, micrometric depth gauge, degree of depth dial gauge are not applied for the special shapes such as cylindrical shape, curved surface, concave surface, sphere, thin-walled
Thickness of workpiece or the technical problem of depth survey, be particularly suited for the axially measured of thin-walled small-diameter deep tubular stretched part wall thickness
Problem, it is possible to intuitively, accurate, economic, realization easily is online or in-site measurement, has applied widely, it is easy to popularization and application,
The advantage that practicality is good.
The technical solution used in the present invention: cantilevered dial gauge calibrator, has base and column, and described column lower end is solid
Due to base end, described column is provided with dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear and dial gauge lowering or hoisting gear
Be positioned at above spheric probe lowering or hoisting gear, described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear be fixed on base
Lead adaptation tailing edge lead moves up and down its operating position of regulation, described dial gauge lowering or hoisting gear and spheric probe lifting dress
Putting and be fixed on column by the fixing screw on dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear, workpiece is placed in finger
Show the survey confirming workpiece after measuring between table lowering or hoisting gear and spheric probe lowering or hoisting gear by reading the numerical value on dial gauge
Value.
Wherein, described dial gauge lowering or hoisting gear includes lifting cantilever I, dial gauge, dial gauge measurement head and fixing screw, institute
State lifting cantilever I one end and be shaped with the installing hole I suitable with column, and lifting cantilever I is sleeved on column and by being located at liter
It is fixed by the fixing screw outside fall cantilever I one end, and described dial gauge measurement head upper end is connected with dial gauge and its lower end is worn
After crossing and stretching out the through hole being formed on lifting cantilever I other end, by being located at the jackscrew outside lifting cantilever I other end by dial gauge
Measurement head is fixed.
Further, described spheric probe lowering or hoisting gear includes lifting spiral arm II, spheric probe and fixing screw, described liter
Fall spiral arm II one end is shaped with the installing hole II suitable with column and lifting spiral arm II is sleeved on column and by being located at lifting
It is fixed by the fixing screw outside spiral arm II one end, and described lifting spiral arm II other end is shaped with screwed hole and spheric probe lower end
Screw rod screw in and spheric probe be fixed on after screwed hole on lifting spiral arm II.
Further, the axiality of head and spheric probe measured by described dial gauge is 0.005mm, and described workpiece is placed in instruction
The measured value confirming workpiece after measuring between head and spheric probe by reading the numerical value on dial gauge measured by table.
Further, the length direction of described lead is shaped with on gathering sill, described lifting cantilever I and lifting spiral arm II and makes
Have the guide pad suitable with gathering sill and guide pad make in being placed in gathering sill lifting cantilever I and lifting spiral arm II can be along gathering sill
Inside move up and down.
Present invention advantage compared with prior art:
1, present invention cantilevered dial gauge survey as principal character with dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear
Thick instrument, can meet cylindrical shape, plane, curved surface, concave surface, sphere, thin-walled small-diameter deep tubular stretched part thickness online or existing
Field measurement, it is ensured that with the good contact of tested datum level, it is ensured that certainty of measurement；
2, the cantilevered dial gauge calibrator having lead can measure scope according to the thickness adjusted of measured workpiece, according to quilt
Survey the difference of workpiece, can suitably be lengthened or shortened lifting cantilever I and lifting spiral arm II, it is ensured that dial gauge measures head and spheric probe
Axiality so that it is measure the most accurate and convenient, measure scope wide；
3, use the present invention can intuitively, accurately, economical, realize online or in-site measurement easily, there is the scope of application
Extensively, it is easy to popularization and application, the advantage that practicality is good；
4, cantilevered dial gauge calibrator measures head and spheric probe by dial gauge, it is achieved that little directly to being similar to thin-walled
Directly measuring of the deep tubular in footpath (cylindrical or square) stretched part wall thickness, and the shape of dial gauge measurement head and spheric probe can
Needing to select according to measurement, have easy and simple to handle, reading is directly perceived, it is easy to accomplish directly measures and compares measurement and improve work effect
The advantage of rate.
Accompanying drawing explanation
Fig. 1 is present invention structural representation when returning to zero；
Fig. 2 is dial gauge lowering or hoisting gear of the present invention and spheric probe lowering or hoisting gear structural representation when separating；
Fig. 3 is that dial gauge of the present invention is measured 7 and measured 7 with spheric probe 12 to workpiece for dial gauge during plane gauge head
Measurement structure schematic diagram；
Fig. 4 is that the present invention is without structural representation during spheric probe lowering or hoisting gear.
Detailed description of the invention
1-3 describes the first embodiment of the present invention below in conjunction with the accompanying drawings.
Cantilevered dial gauge calibrator, has base 1 and column 2, and base 1 end is fixed in described column 2 lower end, described
Dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear are installed on column 2 and dial gauge lowering or hoisting gear is positioned at spheric probe lifting
Above device, described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear tailing edge adaptive with the lead 3 being fixed on base 1
Lead 3 moves up and down its operating position of regulation, and described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear pass through dial gauge
Fixing screw 4 on lowering or hoisting gear and spheric probe lowering or hoisting gear is fixed on column 2, and workpiece is placed in dial gauge lifting dress
Put the measured value confirming workpiece after measuring between spheric probe lowering or hoisting gear by reading the numerical value on dial gauge；Specifically
, described dial gauge lowering or hoisting gear includes lifting cantilever I 5, dial gauge 6, dial gauge measurement 7 and fixing screw 4, described lifting
Cantilever I 5 one end is shaped with the installing hole I 8 suitable with column 2, and lifting cantilever I 5 is sleeved on column 2 and by being located at lifting
It is fixed by the fixing screw 4 outside cantilever I 5 one end, and described dial gauge is measured 7 upper end and is connected with dial gauge 6 and its lower end
After being formed on the through hole 9 lifting cantilever I 5 other end, by being located at the jackscrew 10 outside lifting cantilever I 5 other end
Fixing concrete by dial gauge measurement 7, described spheric probe lowering or hoisting gear includes lifting spiral arm II 11, spheric probe 12 and consolidating
Determining screw 4, described lifting spiral arm II 11 one end is shaped with the installing hole II 13 suitable with column 2 and lifting spiral arm II 11 is sleeved on
On column 2 and by be located at lifting spiral arm II 11 one end outside fixing screw 4 it is fixed, described lifting spiral arm II 11 another
Hold the screw rod being shaped with screwed hole 14 and spheric probe 12 lower end, after screwing in screwed hole 14, spheric probe 12 is fixed on lifting spiral arm
On II 11；Concrete, described dial gauge measurement 7 is 0.005mm with the axiality of spheric probe 12, and described workpiece is placed in instruction
A measured value confirming workpiece between 7 and spheric probe 12 after measurement by reading the numerical value on dial gauge 6 measured by table；Specifically
, the length direction of described lead 3 is shaped with on gathering sill 15, described lifting cantilever I 5 and lifting spiral arm II 11 and is shaped with and guides
Guide pad that groove 15 is suitable and guide pad make lifting cantilever I 5 and the lifting spiral arm II 11 can be along gathering sill in being placed in gathering sill 15
Move up and down in 15.During for measured workpiece more than dial gauge 6 stroke, can be selected for the gauge block of same precision, determine finger with gauge block
Show the zero-bit of table 6 pointer, to realize the measurement of wide range；During measurement, first adjust outside lifting cantilever I 5 and lifting spiral arm II 11
The fixing screw 4 of side, after making dial gauge measurement 7 contact with spheric probe 12, the pointer of dial gauge 6 is in above measuring staff axis
Zero-bit at, the upper gear cap on the most light and slow lifting dial gauge 6, determine dial gauge measure 7 contact with spheric probe 12 after finger
The repeatability of pin, the upper gear cap being then lifted out dial gauge 6 is put into workpiece to appropriate location, is read the number on dial gauge 6 afterwards
Value.Now, the scale number of the little pointer indication of dial gauge 6 is the millimeter integer value of measured workpiece, the minimum turnover of big pointer
The scale number that point points to is fractional value, after reading the measured value of finished piece(s), is taken out by workpiece；For cylindrical thin wall workpiece
Measurement, dial gauge is measured 7 and be can be selected for plane gauge head, to obtain preferably repeatability.The measurement of other difformity workpiece,
Dial gauge is measured 7 and suitable test probe replaceable should be selected to measure, this structure can measure blind hole, groove, cylindrical shape, curved surface,
Plane, concave surface, the thickness of spherical workpiece, particularly convenient for the measurement to thin-walled small-diameter deep tubular tensioning member wall thickness.
The 4 the second embodiment describing the present invention below in conjunction with the accompanying drawings.
Cantilevered dial gauge calibrator, has base 1 and column 2, and base 1 end is fixed in described column 2 lower end, described
Dial gauge lowering or hoisting gear is installed on column 2 and dial gauge lowering or hoisting gear is positioned at above base 1 plane, described dial gauge lifting dress
Putting and be fixed on column 2 by the fixing screw 4 on dial gauge lowering or hoisting gear, workpiece is placed in dial gauge lowering or hoisting gear and the end
Confirm the measured value of workpiece by reading the numerical value on dial gauge lowering or hoisting gear after measuring between seat 1 plane；Concrete, described
Dial gauge lowering or hoisting gear includes lifting cantilever I 5, dial gauge 6, dial gauge measurement 7 and fixing screw 4, described lifting cantilever I 5
One end is shaped with the installing hole I 8 suitable with column 2, and lifting cantilever I 5 is sleeved on column 2 and lifts cantilever I 5 by being located at
It is fixed by the fixing screw 4 outside one end, and described dial gauge measurement 7 upper end are connected with dial gauge 6 and its lower end is through also
Stretch out after being formed on the through hole 9 lifting cantilever I 5 other end, will instruction by being located at the jackscrew 10 outside lifting cantilever I 5 other end
Table measurement 7 is fixed；Described workpiece is placed in after dial gauge measurement is measured between 7 and base 1 plane by reading on dial gauge 6
Numerical value confirm the measured value of workpiece；During measurement, first adjust the fixing screw 4 outside lifting cantilever I 5, make dial gauge survey
In amount 7 and base 1 after plane contact, the pointer of dial gauge 6 is at the zero-bit above measuring staff axis, and the most light and slow lifting refers to
Show the upper gear cap on table 6, determine dial gauge measurement 7 and the repeatability of plane contact backpointer on base 1, be then lifted out instruction
The upper gear cap of table 6, to behind appropriate location, is put into workpiece and workpiece is placed in base 1 plane, reads the numerical value of dial gauge 6 afterwards,
Now, the scale number of the little pointer indication of dial gauge 6 is the millimeter integer value of measured workpiece, and the minimum turning point of big pointer refers to
To scale number be fractional value, after reading the measured value of finished piece(s), workpiece is taken out；This structure can directly be measured blind
The thickness of the workpiece such as hole, groove, good stability, reading is directly perceived, simple operation.
During making, the measuring surface surface roughness of spheric probe 12 should be less than Ra0.05 μm, if the measurement of test probe replaceable
When face is hard alloy, its surface roughness should be less than Ra0.1 μm, and on base 1, the flatness of plane is less than 0.002mm.
Above-described embodiment, simply presently preferred embodiments of the present invention, not be used for limiting the scope of the present invention, therefore all with this
The equivalence change that content described in invention claim is done, within all should being included in scope of the invention as claimed.
Claims (5)
1. cantilevered dial gauge calibrator, has base (1) and column (2), it is characterised in that: described column (2) lower end is fixed
Dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear and dial gauge lifting are installed on base (1) end, described column (2)
Device is positioned at above spheric probe lowering or hoisting gear, described dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear be fixed on base
(1) the adaptive tailing edge lead (3) of lead (3) on moves up and down its operating position of regulation, described dial gauge lowering or hoisting gear and
Spheric probe lowering or hoisting gear is fixed in by the fixing screw (4) on dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear
On column (2), workpiece is placed between dial gauge lowering or hoisting gear and spheric probe lowering or hoisting gear after measuring by reading on dial gauge
Numerical value confirm the measured value of workpiece.
Cantilevered dial gauge calibrator the most according to claim 1, it is characterised in that: described dial gauge lowering or hoisting gear includes
Lifting cantilever I (5), dial gauge (6), dial gauge measure head (7) and fixing screw (4), and described lifting cantilever I (5) one end is shaped with
The installing hole I (8) suitable with column (2), and lifting cantilever I (5) to be sleeved on column (2) upper and by being located at lifting cantilever I
(5) it is fixed by the fixing screw (4) outside one end, and described dial gauge is measured head (7) upper end and is connected and under it with dial gauge (6)
After holding through and out being formed on the through hole (9) lifting cantilever I (5) other end, by being located at outside lifting cantilever I (5) other end
Jackscrew (10) dial gauge is measured head (7) fix.
Cantilevered dial gauge calibrator the most according to claim 2, it is characterised in that: described spheric probe lowering or hoisting gear bag
Including lifting spiral arm II (11), spheric probe (12) and fixing screw (4), described lifting spiral arm II (11) one end is shaped with and column
(2) suitable installing hole II (13) and lifting spiral arm II (11) are sleeved on column (2) and above and lift spiral arm II by being located at
(11) it is fixed by the fixing screw (4) outside one end, and described lifting spiral arm II (11) other end is shaped with screwed hole (14) and ball
Spheric probe (12) is fixed on lifting spiral arm II (11) after screwing in screwed hole (14) by the screw rod of shape gauge head (12) lower end.
Cantilevered dial gauge calibrator the most according to claim 3, it is characterised in that: described dial gauge measure head (7) with
The axiality of spheric probe (12) is 0.005mm, and described workpiece is placed in dial gauge and measures survey between head (7) and spheric probe (12)
Confirm the measured value of workpiece by reading the numerical value on dial gauge (6) after amount.
5. according to the cantilevered dial gauge calibrator described in claim 1 or 2 or 3 or 4, it is characterised in that: described lead (3)
Length direction be shaped with gathering sill (15), described lifting cantilever I (5) and lifting spiral arm II (11) are shaped with and gathering sill (15) phase
Adaptive guide pad and guide pad make in being placed in gathering sill (15) lifting cantilever I (5) and lift spiral arm II (11) can be along gathering sill
(15) move up and down in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457908.4A CN106152905A (en) | 2016-06-22 | 2016-06-22 | Cantilevered dial gauge calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457908.4A CN106152905A (en) | 2016-06-22 | 2016-06-22 | Cantilevered dial gauge calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106152905A true CN106152905A (en) | 2016-11-23 |
Family
ID=57353053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457908.4A Pending CN106152905A (en) | 2016-06-22 | 2016-06-22 | Cantilevered dial gauge calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106152905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341507A (en) * | 2018-11-20 | 2019-02-15 | 中国航发贵州黎阳航空动力有限公司 | A kind of vortex thickness measuring calibration comparison device |
| CN110108188A (en) * | 2019-05-21 | 2019-08-09 | 浙江贝托传动科技有限公司 | Bore measuring instrument for speed reducer components |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077129A (en) * | 1975-12-29 | 1978-03-07 | Kabushiki Kaisha Mitutoyo Seisakusho | Portable, lightweight measuring instrument |
| CN202522169U (en) * | 2012-05-02 | 2012-11-07 | 浙江省电力试验研究院 | Test measuring tool for transmission line iron tower and electric power fitting fastening bolts |
| CN203337058U (en) * | 2013-07-18 | 2013-12-11 | 福建龙生机械有限公司 | Cylinder sleeve wall thickness rapid detection device |
| CN204438974U (en) * | 2015-01-06 | 2015-07-01 | 山东高强紧固件有限公司 | A kind of cylindrical shape standard component end surface thickness detects frock |
-
2016
- 2016-06-22 CN CN201610457908.4A patent/CN106152905A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077129A (en) * | 1975-12-29 | 1978-03-07 | Kabushiki Kaisha Mitutoyo Seisakusho | Portable, lightweight measuring instrument |
| CN202522169U (en) * | 2012-05-02 | 2012-11-07 | 浙江省电力试验研究院 | Test measuring tool for transmission line iron tower and electric power fitting fastening bolts |
| CN203337058U (en) * | 2013-07-18 | 2013-12-11 | 福建龙生机械有限公司 | Cylinder sleeve wall thickness rapid detection device |
| CN204438974U (en) * | 2015-01-06 | 2015-07-01 | 山东高强紧固件有限公司 | A kind of cylindrical shape standard component end surface thickness detects frock |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341507A (en) * | 2018-11-20 | 2019-02-15 | 中国航发贵州黎阳航空动力有限公司 | A kind of vortex thickness measuring calibration comparison device |
| CN109341507B (en) * | 2018-11-20 | 2020-09-29 | 中国航发贵州黎阳航空动力有限公司 | Eddy current thickness measurement calibration contrast device |
| CN110108188A (en) * | 2019-05-21 | 2019-08-09 | 浙江贝托传动科技有限公司 | Bore measuring instrument for speed reducer components |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105403128A (en) | Integrated measurement instrument of inner-ring large flange of tapered roller bearing | |
| CN104807388A (en) | Measuring tool and method for measuring size of inner dual-ring groove part control edge | |
| CN203561320U (en) | Bottom thickness measuring device for pot body | |
| CN211178280U (en) | Verticality detection device easy and convenient to operate | |
| CN106152905A (en) | Cantilevered dial gauge calibrator | |
| CN201680802U (en) | Hole position accuracy measuring device of large-scale turntable bearing | |
| CN212300226U (en) | Simple inner hole taper detection device | |
| CN218673405U (en) | A detect structure for public four corners of clamping copper detects | |
| CN201527425U (en) | Test device for measuring concrete contraction | |
| CN205300473U (en) | Mar measuring apparatu | |
| CN209116910U (en) | A kind of multi-functional form and position error measurement instrument | |
| CN210570549U (en) | Foundation pit position measuring device | |
| CN208238701U (en) | A kind of tapping depth measuring device | |
| CN207570442U (en) | A kind of self-aligning roller bearing interior rollaway nest position-measurement device | |
| CN207439321U (en) | Step hole depth cubing | |
| CN106323178A (en) | Manufacturing method for device for measuring height of measurement instrument | |
| CN207515677U (en) | Multifunctional height instrument | |
| CN201867410U (en) | Test device for measuring concrete shrinkage | |
| CN206192223U (en) | Sign indicating number bridge height detector | |
| CN210512989U (en) | Prefabricated wall surface course roughness detects instrument | |
| CN218600413U (en) | Crystallizer copper pipe inner cavity measuring device | |
| CN110081789A (en) | A kind of bikini outside micrometer | |
| CN211855163U (en) | Axle center bore measuring device | |
| CN103925915A (en) | Verticality tester used for construction | |
| CN204574999U (en) | Tray (well) diameter detector in metering pin integrated form leading screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
|
| RJ01 | Rejection of invention patent application after publication |