CN110186362B - Inner hole eccentricity measuring device - Google Patents
Inner hole eccentricity measuring device Download PDFInfo
- Publication number
- CN110186362B CN110186362B CN201910547195.4A CN201910547195A CN110186362B CN 110186362 B CN110186362 B CN 110186362B CN 201910547195 A CN201910547195 A CN 201910547195A CN 110186362 B CN110186362 B CN 110186362B
- Authority
- CN
- China
- Prior art keywords
- centering
- disc
- seat
- rotating
- conical
- 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.)
- Active
Links
Images
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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an inner hole eccentricity measuring device which is convenient and reliable to measure, is suitable for measuring eccentric holes with various hole diameters, is accurate to measure, and only needs to place a reference surface of a workpiece on a positioning support plate, enables an inner hole centering assembly to be sleeved in the eccentric hole, then rotates an operating handle, enables a screw rod to rotate, enables a centering head to be clamped and abutted against the inner wall of the eccentric hole, and can realize the automatic centering effect on the eccentric hole of the workpiece, then enables the eccentric measuring assembly to be abutted against the outer circumference of the workpiece, rotates a rotating disc for a circle, and can calculate the eccentric distance through the maximum jumping amount measured by the eccentric measuring assembly.
Description
Technical Field
The invention relates to an inner hole eccentricity measuring device, and belongs to the technical field of inner hole eccentricity measuring equipment.
Background
At present, for the work piece that sets up the eccentric orfice, when measuring the eccentricity, generally more troublesome, when measuring, generally need adopt special axle with hole diameter size to stretch into the work piece, then rotate the work piece, utilize the percentage table to measure, this kind of measuring method operation is more troublesome, and need design the axle that suits with the hole, the precision size of axle has certain influence to the measuring result, this just leads to the work piece measuring suitability not strong, in addition, when the operation, sometimes rotate the work piece very difficultly, it is difficult to carry out accurate measurement to the work piece.
Aiming at the problems, the invention provides an inner hole eccentricity measuring device, which improves the accurate and rapid measurement of the eccentricity of an eccentric workpiece.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an inner hole eccentricity measuring device is characterized by comprising a fixing component, a fixed disk, a rotating disk, a positioning supporting disk, an inner hole centering component and an eccentricity measuring component, it is characterized in that the fixed disk is fixedly arranged on the fixed component, the rotating disk is coaxially and fixedly arranged on the fixed disk by adopting a rotating driving component, the rotating disc is fixedly provided with the positioning support disc which is coaxially arranged with the rotating disc, the inner hole centering component is coaxially and fixedly arranged on the positioning support plate, and is arranged in such a way that after the inner hole centering component centers an eccentric hole workpiece to be detected, the central axis of the eccentric hole of the workpiece to be detected is superposed with the central axis of the rotating disc, the edge of fixed disk is provided with eccentricity measurement subassembly, during the measurement through rotating the rolling disc realizes measuring the eccentricity of eccentric orfice work piece.
Further, as preferred, the mesa of fixed disk with the mesa of rolling disc is parallel and level in the horizontal direction, the center of fixed disk is provided with conical recess, the rolling disc holds the setting and is in the conical recess of fixed disk.
Further, as preferred, the rotation driving assembly includes a rotation supporting seat and a rotation seat, the rotation supporting seat is coaxially and fixedly arranged at the center of the fixed disk, the rotation seat is coaxially and rotatably arranged on the rotation supporting seat, and the rotation disk is coaxially supported on the rotation seat.
Further, preferably, the positioning support plate is made of marble, an upper end face of the positioning support plate serves as a reference face, and the reference face is perpendicular to a rotation central axis of the rotating seat.
Further, as preferred, fixed subassembly includes bottom plate and base, the base is fixed on the bottom plate, the fixed disk is fixed to be set up on the base.
Further, as preferred, the inner hole centering assembly comprises a centering seat, a conical disc, a plurality of centering rods and a centering head, the centering seat is of a disc-shaped box structure, a threaded seat which extends upwards and vertically is integrally arranged at the center of the centering seat, a screw rod is arranged in the threaded seat, the top end of the screw rod extends out of the threaded seat, an operating handle is arranged at the top end of the screw rod, the conical disc is coaxially arranged in the centering seat, the upper end of the conical disc is a small end, a plurality of centering rods extending out of the centering seat are arranged on the periphery of the centering seat in an array mode, the centering rods can horizontally slide in the centering seat, the inner side of each centering rod is a conical surface matched with the conical disc, the outer end of each centering rod is detachably connected with the centering head, and the lower end of the screw rod is coaxially connected with the upper end of the conical disc, through the rotatory screw rod that makes progress, utilize the cooperation of conical surface and a plurality of centering head to realize the centering to the hole, the conical disk is in centering seat inside irrotational and axial displacement setting from top to bottom.
Further, preferably, the lower end of the screw rod is coaxially and fixedly connected with an inverted T-shaped head, and the inverted T-shaped head and the conical disc are connected through a precision bearing.
Further, as preferred, the bottom inner wall of centering dish is provided with a plurality of vertical guide bars, the lower extreme of conical disc is provided with a plurality of vertical uide bushings, the uide bushing with direction sliding connection between the guide bar, the centering seat with still be provided with the uide bushing between the centering bar.
Further, as preferred, the end of centering rod is fixedly provided with a connection pad, the connection pad with the centering head adopts a connection dop to connect the setting, the connection pad with be provided with the spring between the centering seat.
Further, as preferred, the eccentric measuring subassembly includes measuring support, connection horizon bar and percentage table, but connect horizon bar horizontal slip's setting and be in measure on the support, the percentage table sets up connect the tip of horizon bar, it fixes to measure the support the edge of fixed disk.
Compared with the prior art, the invention has the beneficial effects that: the eccentric measuring device is convenient and reliable to measure, is suitable for measuring eccentric holes with various hole diameters, is accurate to measure, only needs to place the datum plane of a workpiece on the positioning support plate when in use, enables the inner hole centering assembly to be sleeved in the eccentric hole, then rotates the operating handle, enables the screw to rotate, enables the centering head to be clamped and abutted against the inner wall of the eccentric hole, and can achieve the automatic centering effect on the eccentric hole of the workpiece, then enables the eccentric measuring assembly to be abutted against the outer circumference of the workpiece, rotates the rotating disc for a circle, and can calculate the eccentric distance through the maximum jumping quantity measured by the eccentric measuring assembly.
Drawings
FIG. 1 is a schematic structural diagram of an inner hole eccentricity measuring device according to the present invention;
FIG. 2 is a schematic view of an inner bore centering assembly of an inner bore eccentricity measuring device according to the present invention;
FIG. 3 is a schematic top view of a centering rod and a centering head arrangement of an inner bore centering assembly of an inner bore eccentricity measuring device according to the present invention;
in the figure: 1. the device comprises a base plate, 2, a base, 3, a fixed disk, 4, a rotary supporting seat, 5, a rotary seat, 6, a rotary disk, 7, a positioning supporting disk, 8, an eccentric hole workpiece, 9, a measuring support, 10, a dial indicator, 11, an operating handle, 12, a centering seat, 13, a centering head, 14, a T-shaped head, 15, a screw rod, 16, a conical disk, 17, a centering rod, 18, a spring, 19, a connecting disk, 20, a connecting chuck, 21, a guide sleeve, 22 and a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an inner hole eccentricity measuring device is characterized by comprising a fixing component, a fixed disk 3, a rotating disk 6, a positioning support disk 7, an inner hole centering component and an eccentricity measuring component, and is characterized in that the fixed disk 3 is fixedly arranged on the fixing component, the rotating disk 6 is coaxially and fixedly arranged on the fixed disk 3 by adopting a rotation driving component, the positioning support disk 7 is fixedly arranged on the rotating disk 6, the positioning support disk 7 and the rotating disk 6 are coaxially arranged, the inner hole centering component is coaxially and fixedly arranged on the positioning support disk 7, the inner hole centering component is configured to ensure that after the inner hole centering component centers an eccentric hole workpiece to be detected, the central axis of the eccentric hole of the workpiece to be detected coincides with the central axis of the rotating disk, and the eccentricity measuring component is arranged at the edge of the fixed disk 3, during measurement, the eccentric distance of the eccentric hole workpiece is measured by rotating the rotating disc.
In this embodiment, the mesa of fixed disk 3 with the mesa of rolling disc 6 is parallel and level in the horizontal direction, the center of fixed disk 3 is provided with conical recess, rolling disc 6 holds the setting and is in the conical recess of fixed disk.
Wherein, the rotation driving assembly comprises a rotation supporting seat 4 and a rotation seat 5, the center of the fixed disk 3 is coaxially and fixedly provided with the rotation supporting seat 4, the rotation supporting seat 4 is coaxially and rotatably provided with the rotation seat 5, and the rotation disk 6 is coaxially supported on the rotation seat 5. In order to improve the positioning accuracy, the positioning support plate is made of marble, the upper end face of the positioning support plate 7 is used as a reference face, and the reference face is perpendicular to the rotation central axis of the rotating seat 6.
Wherein, fixed subassembly includes bottom plate 1 and base 2, base 2 is fixed on the bottom plate 1, fixed disk 3 is fixed to be set up on the base 2.
As a preferred embodiment, as shown in fig. 1-2, the inner hole centering assembly includes a centering seat 12, a conical disc 16, a plurality of centering rods 17 and a centering head 13, the centering seat 12 is a disc-shaped box structure, a threaded seat extending vertically upward is integrally provided at the center of the centering seat 12, a screw rod 15 is provided in the threaded seat, a top end of the screw rod 15 extends out of the threaded seat and a top end of the screw rod is provided with an operating handle 11, the conical disc 16 is coaxially provided in the centering seat 12, an upper end of the conical disc 16 is a small end, three centering rods 17 extending out of the centering seat 12 are arranged in an array around the centering seat 12, as shown in fig. 3, the centering rods 17 are arranged in the centering seat in a horizontally slidable manner, an inner side of the centering rod 17 is a conical surface matched with the conical disc 16, an outer end of each centering rod 17 is detachably connected with the centering head 13, the lower extreme coaxial coupling of screw rod 15 is in the upper end of conical disk, through upwards rotatory screw rod 15, utilize the cooperation of conical surface and a plurality of centering head to realize the centering to the hole, conical disk 16 is in centering seat 12 is inside can not rotate and axial displacement setting from top to bottom.
As a better embodiment, the lower end of the screw is coaxially and fixedly connected with an inverted T-shaped head 14, and the inverted T-shaped head 14 and the conical disc are connected by a precision bearing. The bottom inner wall of centering disk 12 is provided with a plurality of vertical guide bars 22, the lower extreme of conical disk is provided with a plurality of vertical uide bushing 21, uide bushing 21 with direction sliding connection between the guide bar 22, centering seat 12 with still be provided with the uide bushing between the centering rod 17.
In addition, the end part of the centering rod is fixedly provided with a connecting disc 19, the connecting disc is connected with the centering head through a connecting chuck 20, and a spring 18 is arranged between the connecting disc and the centering seat, so that the application range can be enlarged by changing the length of the connecting disc.
In this embodiment, the eccentricity measurement assembly comprises a measurement support 9, a connection horizontal rod and a dial indicator 10, wherein the connection horizontal rod is arranged on the measurement support 9 in a horizontally sliding manner, the dial indicator 10 is arranged at the end part of the connection horizontal rod, and the measurement support 9 is fixed at the edge of the fixed disk
The eccentric measuring device is convenient and reliable to measure, is suitable for measuring eccentric holes with various hole diameters, is accurate to measure, only needs to place the datum plane of a workpiece on the positioning support plate when in use, enables the inner hole centering assembly to be sleeved in the eccentric hole, then rotates the operating handle, enables the screw to rotate, enables the centering head to be clamped and abutted against the inner wall of the eccentric hole, and can achieve the automatic centering effect on the eccentric hole of the workpiece, then enables the eccentric measuring assembly to be abutted against the outer circumference of the workpiece, rotates the rotating disc for a circle, and can calculate the eccentric distance through the maximum jumping quantity measured by the eccentric measuring assembly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An inner hole eccentricity measuring device is characterized by comprising a fixing component, a fixed disk, a rotating disk, a positioning supporting disk, an inner hole centering component and an eccentricity measuring component, the fixed disk is fixedly arranged on the fixed component, the rotating disk is coaxially and fixedly arranged on the fixed disk by adopting a rotating driving component, the rotating disc is fixedly provided with the positioning support disc which is coaxially arranged with the rotating disc, the inner hole centering component is coaxially and fixedly arranged on the positioning support plate, and is arranged in such a way that after the inner hole centering component centers an eccentric hole workpiece to be detected, the central axis of the eccentric hole of the workpiece to be detected is superposed with the central axis of the rotating disc, the edge of the fixed disc is provided with the eccentricity measuring assembly, and during measurement, the eccentricity of an eccentric hole workpiece is measured by rotating the rotating disc; the inner hole centering assembly comprises a centering seat, a conical disc, a plurality of centering rods and a centering head, the centering seat is of a disc-shaped box structure, a threaded seat which extends upwards and vertically is integrally arranged at the center of the centering seat, a screw rod is arranged in the threaded seat, the top end of the screw rod extends out of the threaded seat, an operating handle is arranged at the top end of the screw rod, the conical disc is coaxially arranged in the centering seat, the upper end of the conical disc is a small end, a plurality of centering rods which extend out of the centering seat are arranged on the periphery of the centering seat in an array mode, the centering rods can horizontally slide in the centering seat, the inner side of each centering rod is a conical surface matched with the conical disc, the outer end of each centering rod is detachably connected with the centering head, the lower end of the screw rod is coaxially connected to the upper end of the conical disc, and the screw rod rotates upwards, the inner hole is centered by utilizing the matching of conical surfaces and a plurality of centering heads, and the conical disc is arranged in the centering seat in a non-rotatable and vertically and axially movable manner;
the eccentric measurement assembly comprises a measurement bracket, a connecting horizontal rod and a dial indicator, wherein the connecting horizontal rod is arranged on the measurement bracket in a horizontally sliding manner, the dial indicator is arranged at the end part of the connecting horizontal rod, and the measurement bracket is fixed at the edge of the fixed disk;
the table top of the fixed disc and the table top of the rotating disc are flush in the horizontal direction, a conical groove is formed in the center of the fixed disc, and the rotating disc is accommodated in the conical groove of the fixed disc;
the movable driving assembly comprises a rotating supporting seat and a rotating seat, the center of the fixed disk is coaxially and fixedly provided with the rotating supporting seat, the rotating seat is coaxially and rotatably arranged on the rotating supporting seat, and the rotating disk is coaxially supported on the rotating seat;
the positioning support plate is made of marble, the upper end face of the positioning support plate is used as a reference face, and the reference face is perpendicular to the rotating central axis of the rotating seat; the lower end of the screw rod is coaxially and fixedly connected with an inverted T-shaped head;
the inner wall of the bottom of the centering disc is provided with a plurality of vertical guide rods, the lower end of the conical disc is provided with a plurality of vertical guide sleeves, and the guide sleeves are connected with the guide rods in a guide sliding mode.
2. An internal bore eccentricity measurement device as claimed in claim 1, wherein: the fixing assembly comprises a bottom plate and a base, the base is fixed on the bottom plate, and the fixing disc is fixedly arranged on the base.
3. An internal bore eccentricity measurement device as claimed in claim 1, wherein: the inverted T-shaped head and the conical disc are connected through a precision bearing.
4. An internal bore eccentricity measurement device as claimed in claim 1, wherein: and a guide sleeve is also arranged between the centering seat and the centering rod.
5. An internal bore eccentricity measurement device as claimed in claim 4, wherein: the end part of the centering rod is fixedly provided with a connecting disc, the connecting disc is connected with the centering head through a connecting clamping head, and a spring is arranged between the connecting disc and the centering seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547195.4A CN110186362B (en) | 2019-06-26 | 2019-06-26 | Inner hole eccentricity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547195.4A CN110186362B (en) | 2019-06-26 | 2019-06-26 | Inner hole eccentricity measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110186362A CN110186362A (en) | 2019-08-30 |
| CN110186362B true CN110186362B (en) | 2021-09-24 |
Family
ID=67722927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910547195.4A Active CN110186362B (en) | 2019-06-26 | 2019-06-26 | Inner hole eccentricity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110186362B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215962B (en) * | 2019-10-31 | 2021-06-08 | 北京自动化控制设备研究所 | Casting inner cavity alignment device |
| CN111024024B (en) * | 2019-12-18 | 2021-06-11 | 晋西车轴股份有限公司 | Measuring tool |
| CN111590350B (en) * | 2020-04-30 | 2021-12-14 | 中国航发南方工业有限公司 | Eccentric inner hole part machining clamp and eccentric inner hole part machining method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852583A (en) * | 2009-04-01 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Circularity detection device |
| CN202292174U (en) * | 2011-09-09 | 2012-07-04 | 索特传动设备有限公司 | Clamping and centering device of ring-shaped workpieces |
| CN103047919A (en) * | 2012-12-25 | 2013-04-17 | 青特集团有限公司 | Axle housing self-centering special detecting tool |
| CN203310325U (en) * | 2013-02-22 | 2013-11-27 | 中国一拖集团有限公司 | Wheel-rim jump detection device |
| CN203414048U (en) * | 2013-08-13 | 2014-01-29 | 桂林电子科技大学 | Radial strain measurement device of super high pressure hydraulic cylinder |
| CN203509095U (en) * | 2013-10-10 | 2014-04-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Annular thin-wall pipe fitting centering and tensioning mechanism |
| CN105547107A (en) * | 2016-02-05 | 2016-05-04 | 重庆理工大学 | Self-centering inner aperture measurement texting fixture |
| CN206241311U (en) * | 2016-12-09 | 2017-06-13 | 无锡银联齿轮传动机械有限公司 | Swelling drilling equipment in self-centering |
| CN108278961A (en) * | 2018-01-31 | 2018-07-13 | 广德锦汭轴承有限公司 | Capacity eccentric bearing eccentricity measures tooling |
| CN208818151U (en) * | 2018-09-29 | 2019-05-03 | 宁波正凯机械有限公司 | A kind of external ball cage axiality detection device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478303B (en) * | 2010-03-02 | 2018-03-07 | Taylor Hobson Ltd | Surface measurement instrument and calibration thereof |
| FR3038978B1 (en) * | 2015-07-17 | 2019-06-21 | Psa Automobiles Sa. | CLUTCH FRICTION CENTERING VERIFICATION TOOL AND ASSOCIATED METHOD |
| DE102015121229A1 (en) * | 2015-12-07 | 2017-06-08 | Walter Maschinenbau Gmbh | Method and arrangement for determining a concentricity error in a clamping system |
-
2019
- 2019-06-26 CN CN201910547195.4A patent/CN110186362B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852583A (en) * | 2009-04-01 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Circularity detection device |
| CN202292174U (en) * | 2011-09-09 | 2012-07-04 | 索特传动设备有限公司 | Clamping and centering device of ring-shaped workpieces |
| CN103047919A (en) * | 2012-12-25 | 2013-04-17 | 青特集团有限公司 | Axle housing self-centering special detecting tool |
| CN203310325U (en) * | 2013-02-22 | 2013-11-27 | 中国一拖集团有限公司 | Wheel-rim jump detection device |
| CN203414048U (en) * | 2013-08-13 | 2014-01-29 | 桂林电子科技大学 | Radial strain measurement device of super high pressure hydraulic cylinder |
| CN203509095U (en) * | 2013-10-10 | 2014-04-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Annular thin-wall pipe fitting centering and tensioning mechanism |
| CN105547107A (en) * | 2016-02-05 | 2016-05-04 | 重庆理工大学 | Self-centering inner aperture measurement texting fixture |
| CN206241311U (en) * | 2016-12-09 | 2017-06-13 | 无锡银联齿轮传动机械有限公司 | Swelling drilling equipment in self-centering |
| CN108278961A (en) * | 2018-01-31 | 2018-07-13 | 广德锦汭轴承有限公司 | Capacity eccentric bearing eccentricity measures tooling |
| CN208818151U (en) * | 2018-09-29 | 2019-05-03 | 宁波正凯机械有限公司 | A kind of external ball cage axiality detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110186362A (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110186362B (en) | Inner hole eccentricity measuring device | |
| CN110645867A (en) | Axle type radial runout detection device | |
| CN107388947B (en) | Multi-specification cutter detection and adjustment device | |
| CN110196013B (en) | Clamp for eccentric measurement | |
| CN117029644A (en) | Roller coaxiality detector | |
| CN112013807A (en) | Quick measuring device of workpiece surface roughness | |
| CN217980180U (en) | Online measuring device for diameters of outer circles of crankshaft | |
| CN2709929Y (en) | Implement for measuring round pulsation value of end to hole | |
| CN213335932U (en) | Vertical checking fixture for coaxiality of inner hole and opposite vertex hole of gear shaft | |
| CN114061415A (en) | Taper hole measuring device and measuring method | |
| CN212620502U (en) | Inner hole measuring device for machine tool | |
| CN210570417U (en) | Comprehensive checking fixture for shaft gear M value and gear ring radial runout | |
| CN210802292U (en) | Inner step height measuring device for tubular workpiece with two symmetrical inner steps at two ends | |
| CN110142663B (en) | Automatic grinding machine for outer circular surface of ball body of ball valve and using method | |
| CN208635966U (en) | The debugging mechanism of impeller static balance debugging machine | |
| CN208922573U (en) | Mechanical fine motion inclined-plane measures friction coefficient experiment instrument | |
| CN220750993U (en) | Radial runout gauge for columnar workpiece | |
| CN219757202U (en) | Coaxiality detector | |
| CN220490027U (en) | Conical shaft dimension measuring device | |
| CN211085005U (en) | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve | |
| CN216448752U (en) | Detection jig for bottom of shell groove | |
| CN220729069U (en) | High-precision measuring device | |
| CN220729150U (en) | Bottle blank verticality measuring instrument | |
| CN214951089U (en) | Verticality parallelism and circle run-out detection tool | |
| CN219956899U (en) | Detection device for radial runout and axial runout of medical ball bearing mandrel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |