CN108332643B - Thread gauge - Google Patents
Thread gauge Download PDFInfo
- Publication number
- CN108332643B CN108332643B CN201810019398.1A CN201810019398A CN108332643B CN 108332643 B CN108332643 B CN 108332643B CN 201810019398 A CN201810019398 A CN 201810019398A CN 108332643 B CN108332643 B CN 108332643B
- Authority
- CN
- China
- Prior art keywords
- gauge
- thread
- detected
- section
- workpiece
- 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
- 238000003754 machining Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000009940 knitting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
-
- 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
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a screw thread examines utensil for detect the machining precision of work piece screw thread, but including the frame, set up the rotator in the frame around self axis rotation, set up at the fixture of rotator front end, drive rotator pivoted actuating mechanism, fixture includes the screw rod section of setting at the rotator front end, sets up the nut on the screw rod section, forms the circular cone hole at the screw rod section terminal surface before, disposes the circular cone deformation cover in the circular cone hole, circular cone deformation cover has the mesopore that can reduce deformation, when setting up to nut rotation, can promote circular cone deformation cover to the circular cone hole inboard removal, thereby compress circular cone deformation cover makes the mesopore of circular cone deformation cover reduce in order to press from both sides tight work piece or reference member.
Description
Technical Field
The invention relates to a thread gauge.
Background
In the field of circular knitting machines, the height of a saddle is regulated by driving the lifting of a saddle bottom ring, so that the height of a triangle is regulated, an existing saddle bottom ring driving mechanism mainly comprises a central regulating pinion, a central regulating nut and a guiding component for limiting and guiding the central regulating nut to only lift, wherein the guiding component specifically comprises a guiding hole and a guiding rod, the central regulating pinion comprises a main shaft, an external thread is formed on the outer peripheral surface of the front section of the main shaft, a gear is arranged in the middle section of the main shaft, the central regulating nut is matched with the external thread of the front section of the main shaft, a power transmission gear rotates to drive the main shaft to rotate, and the central regulating nut is lifted and moved by the matching of the external thread and the internal thread of the central regulating nut.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides a screw thread checking fixture with simple structure and convenient operation.
The aim of the invention is realized by the following technical scheme:
a thread gauge for detecting the machining precision of workpiece threads, which is characterized in that: the device comprises a frame, a rotating body which can be rotationally arranged on the frame around the axis of the device, a clamping mechanism arranged at the front end of the rotating body and a driving mechanism for driving the rotating body to rotate, wherein the clamping mechanism comprises a screw rod section arranged at the front end of the rotating body, a nut arranged on the screw rod section, a conical hole formed in the front end surface of the screw rod section and a conical deformation sleeve arranged in the conical hole, the conical deformation sleeve is provided with a middle hole capable of reducing deformation, and when the nut is arranged to rotate, the conical deformation sleeve can be pushed to move towards the inner side of the conical hole, so that the middle hole of the conical deformation sleeve is reduced by the compression conical deformation sleeve to clamp a workpiece or a reference piece.
Further, the reference piece is a threaded ring gauge, the threaded ring gauge is provided with a reference screw hole and an arc-shaped outer peripheral surface, the workpiece comprises a workpiece spindle, an outer peripheral surface of the front section of the workpiece spindle is provided with an external thread to be detected, which is matched with the reference screw hole, a gear is arranged in the middle section of the workpiece spindle, the rear section of the workpiece spindle can be clamped by a conical sleeve-changing clamp, a clearance eliminating mechanism is arranged between the threaded ring gauge and the workpiece so as to eliminate a clearance between the reference screw hole and the external thread to be detected, and when the rear section of the workpiece spindle is clamped by a clamping mechanism and driven to rotate by a rotating body, a detection end of a dial gauge is used for being abutted to the threaded ring gauge so as to detect the machining precision of the external thread to be detected.
Further, the clearance eliminating mechanism comprises a plurality of screw holes which are arranged on the screw ring gauge and extend along the axial direction of the screw ring gauge, a jack bolt is arranged in the screw holes, when the reference screw hole is screwed with the external screw thread to be detected, the front end of the jack bolt is abutted against the end face of the gear to eliminate the clearance between the reference screw hole and the external screw thread to be detected, and an elastic block is arranged at the front end of the jack bolt.
Further, the reference piece is a thread gauge plug, the workpiece is a measured nut, the measured nut is provided with an internal thread to be detected and an arc-shaped outer peripheral surface, the thread gauge plug comprises a gauge plug main shaft, the outer peripheral surface of the front section of the gauge plug main shaft is provided with a reference external thread matched with the internal thread to be detected, the middle section of the gauge plug main shaft is an expanding section, the rear section of the gauge plug main shaft can be clamped by a conical sleeve, a clearance eliminating mechanism is arranged between the middle section of the gauge plug main shaft and the workpiece so as to eliminate the clearance between the internal thread to be detected and the reference external thread, and when the rear section of the gauge plug main shaft is clamped by a clamping mechanism and is driven to rotate by a rotating body, a detection end of a dial gauge is abutted against the measured nut so as to detect the machining precision of the internal thread to be detected.
Further, the clearance eliminating mechanism comprises a plurality of screw holes which are arranged in the middle section of the gauge plug main shaft and extend along the axial direction of the gauge plug, a jack bolt is arranged in the screw holes, when the internal thread to be detected is screwed with the reference external thread, the front end of the jack bolt is propped against the end face of the workpiece to eliminate the clearance between the internal thread to be detected and the reference external thread, and an elastic block is arranged at the front end of the jack bolt.
Further, the driving mechanism is an operation hand wheel arranged at the rear end.
Further, the conical deformation sleeve is formed with a central hole penetrating along the axial direction, and the conical deformation sleeve is formed with a plurality of first cutting slits extending from the front end to the rear section and circumferentially distributed at intervals and a plurality of second cutting slits extending from the rear end to the front section and circumferentially distributed at intervals, wherein the first cutting slits and the second cutting slits are distributed in a staggered manner, so that concentricity of the clamped object and the rotating body is ensured.
Further, the frame comprises a base and a bearing seat arranged on the base, and the rotating body is rotatably arranged in the bearing seat through a bearing.
The invention has the following beneficial effects:
when the rear section of the workpiece spindle is clamped by the clamping mechanism and driven to rotate by the rotating body, the detection end of the dial indicator is abutted against the outer circumferential surface of the threaded ring gauge to detect the coaxiality of the external threads to be detected, or the detection end of the dial indicator is abutted against the end face of the threaded ring gauge to detect the verticality of the external threads to be detected.
When the rear section of the gauge plug main shaft is clamped by the clamping mechanism and driven to rotate by the rotating body, the detection end of the dial indicator is abutted against the outer circumferential surface of the detected nut to detect the coaxiality of the internal thread to be detected, or the detection end of the dial indicator is abutted against the step surface of the detected nut to detect the perpendicularity of the internal thread to be detected.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the detection of a pilot pinion.
Fig. 3 is a schematic diagram of the detection of the pilot adjusting nut.
Fig. 4 is a schematic structural view of the clamping mechanism.
Description of the embodiments
Referring to fig. 1, a screw gauge includes a base 1, a bearing housing 2, a rotating body 3, a clamping mechanism, and an operation hand wheel 32.
The bearing pedestal 2 is arranged on the base 1, the bearing pedestal 2 is provided with a transversely and horizontally penetrated mounting hole, the rotating body 3 is rotatably arranged in the mounting hole through a bearing 31, the clamping mechanism is arranged at the front end of the rotating body 3, and the operating hand wheel 32 is connected at the rear end of the rotating body 3 through a wheel shaft 33.
Referring to fig. 4, the clamping mechanism includes a screw section 41 provided at the front end of the rotating body 3, a nut 42 provided on the screw section 41, a conical hole 411 formed at the front end surface of the screw section 41, a conical deformation sleeve 43 provided in the conical hole 411, the conical deformation sleeve 43 being formed with a deformable middle hole 433 penetrating in the axial direction, a specific conical deformation sleeve 43 being formed with a plurality of first slits 432 extending from the front end to the rear end and circumferentially spaced apart and a plurality of second slits 431 extending from the rear end to the front end and circumferentially spaced apart, the first slits 432 being staggered with the second slits 431;
when the nut 42 is rotated, the conical deformation sleeve 43 is pushed to move towards the inner side of the conical hole 411, so that the conical deformation sleeve 43 is compressed, and the middle hole of the conical deformation sleeve 43 is contracted to clamp a workpiece or a reference piece.
Referring to fig. 2, the reference member is a threaded ring gauge 7, the threaded ring gauge 7 has a reference screw hole 71 and a circular arc outer peripheral surface, the workpiece is a middle adjustment pinion 5 for a saddle plate lifting mechanism of the circular knitting machine, the workpiece comprises a workpiece spindle, an outer peripheral surface of a front section 53 of the workpiece spindle is formed with an external thread 531 to be detected, which is matched with the reference screw hole 71, a gear 52 is arranged in the middle section of the workpiece spindle, a rear section 51 of the workpiece spindle can be clamped by a conical deformation sleeve 43, a clearance eliminating mechanism is arranged between the threaded ring gauge 7 and the middle adjustment pinion so as to eliminate a clearance between the reference screw hole 71 and the external thread 531 to be detected, the clearance eliminating mechanism comprises a plurality of screw holes 72 which are arranged on the threaded ring gauge 7 and extend along the axial direction of the threaded ring gauge 7, a jacking bolt 73 which is arranged in the screw holes 72, when the reference screw hole 71 is screwed with the external thread 531 to be detected, the front end of the jacking bolt 73 jacks against the end surface of the gear 52 so as to eliminate the clearance between the reference screw hole 71 and the external thread 531 to be detected, and the front end of the jacking bolt 73 is provided with an elastic block 731, in particular a rubber ring.
When the rear section 51 of the workpiece spindle is clamped by the clamping mechanism and driven to rotate by the rotating body 3, the detection end of the dial indicator 91 is abutted against the outer peripheral surface of the threaded ring gauge 7 to detect the coaxiality of the external thread 531 to be detected and the rear section 51 of the workpiece spindle, or the detection end of the dial indicator 92 is abutted against the end surface of the threaded ring gauge 7 to detect the perpendicularity of the external thread 531 to be detected relative to the end surface of the gear 52.
Referring to fig. 3, the reference member is a threaded gauge plug 6, the workpiece is a central control adjusting nut 8 for a saddle plate lifting mechanism of a circular knitting machine, the central control adjusting nut 8 is provided with an internal thread 81 to be detected, an arc-shaped outer peripheral surface 83 and a step end surface 82, the threaded gauge plug 6 comprises a gauge plug main shaft, the outer peripheral surface of a front section 63 of the gauge plug main shaft is provided with a reference external thread 631 matched with the internal thread 81 to be detected, a middle section 62 of the gauge plug main shaft is an expanding section, a rear section of the gauge plug main shaft 61 can be clamped by a conical deformation sleeve 43, a clearance eliminating mechanism is arranged between the middle section 62 of the gauge plug main shaft and the central control adjusting nut 8 so as to eliminate a clearance between the internal thread 81 to be detected and the reference external thread 631, the clearance eliminating mechanism comprises a plurality of screw holes 621 formed in the middle section 62 of the gauge plug main shaft and extending along the axial direction of the gauge plug, a jacking bolt 622 arranged in the screw holes 621, and when the internal thread 81 to be detected is screwed with the reference external thread 631, the front end of the jacking bolt 622 props against the end surface of the central control adjusting nut 8 so as to eliminate the clearance between the internal thread 81 to be detected and the reference external thread 631. The front end of the jack bolt 622 is provided with an elastic block 6221, in particular a rubber ring.
When the rear section 61 of the plug main shaft is clamped by the clamping mechanism and driven to rotate by the rotating body 3, the detection end of the dial indicator 93 is abutted against the outer circumferential surface 83 of the central control adjusting nut 8 to detect the coaxiality of the internal thread 81 to be detected relative to the outer circumferential surface, or the detection end of the dial indicator 94 is abutted against the step end surface 82 of the central control adjusting nut 8 to detect the perpendicularity of the internal thread 81 to be detected relative to the installation end surface.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the invention.
Claims (7)
1. A thread gauge for detecting the machining precision of workpiece threads, which is characterized in that: the device comprises a frame, a rotating body which can rotate around the axis of the rotating body, a clamping mechanism which is arranged at the front end of the rotating body and a driving mechanism which drives the rotating body to rotate, wherein the clamping mechanism comprises a screw rod section which is arranged at the front end of the rotating body, a nut which is arranged on the screw rod section, a conical hole which is formed at the front end surface of the screw rod section, and a conical deformation sleeve which is arranged in the conical hole, wherein the conical deformation sleeve is provided with a middle hole which can reduce deformation, and when the nut is arranged to rotate, the conical deformation sleeve can be pushed to move towards the inner side of the conical hole, so that the middle hole of the conical deformation sleeve is reduced by compressing the conical deformation sleeve to clamp a workpiece or a reference piece; the reference piece is a threaded ring gauge, the threaded ring gauge is provided with a reference screw hole and an arc-shaped outer peripheral surface, the workpiece comprises a workpiece spindle, an outer peripheral surface of the front section of the workpiece spindle is provided with an external thread to be detected, which is matched with the reference screw hole, a gear is arranged in the middle section of the workpiece spindle, the rear section of the workpiece spindle can be clamped by a conical sleeve-changing clamp, a clearance eliminating mechanism is arranged between the threaded ring gauge and the workpiece so as to eliminate a clearance between the reference screw hole and the external thread to be detected, and when the rear section of the workpiece spindle is clamped by a clamping mechanism and driven to rotate by a rotating body, a detection end of a dial indicator is used for being attached to the threaded ring gauge so as to detect the machining precision of the external thread to be detected.
2. The thread gauge as recited in claim 1, wherein: the gap eliminating mechanism comprises a plurality of screw holes which are arranged on the screw ring gauge and extend along the axial direction of the screw ring gauge, a jacking bolt which is arranged in the screw holes, when the reference screw hole is screwed with the external screw thread to be detected, the front end of the jacking bolt props against the end face of the gear to eliminate the gap between the reference screw hole and the external screw thread to be detected, and an elastic block is arranged at the front end of the jacking bolt.
3. The thread gauge as recited in claim 1, wherein: or the reference piece is a thread gauge plug, the workpiece is a measured nut, the measured nut is provided with an internal thread to be detected and an arc-shaped outer peripheral surface, the thread gauge plug comprises a gauge plug main shaft, the outer peripheral surface of the front section of the gauge plug main shaft is provided with a reference external thread matched with the internal thread to be detected, the middle section of the gauge plug main shaft is an expanding section, the rear section of the gauge plug main shaft can be clamped by a conical sleeve, a clearance eliminating mechanism is arranged between the middle section of the gauge plug main shaft and the workpiece so as to eliminate the clearance between the internal thread to be detected and the reference external thread, and when the rear section of the gauge plug main shaft is clamped by a clamping mechanism and driven to rotate by a rotating body, the detection end of a dial gauge is abutted against the measured nut so as to detect the machining precision of the internal thread to be detected.
4. A threaded inspection tool according to claim 3, wherein: the clearance eliminating mechanism comprises a plurality of screw holes which are arranged in the middle section of the gauge plug main shaft and extend along the axial direction of the gauge plug, a tightening bolt which is arranged in the screw holes, when the internal threads to be detected are screwed with the reference external threads, the front end of the tightening bolt props against the end face of the workpiece to eliminate the clearance between the internal threads to be detected and the reference external threads, and an elastic block is arranged at the front end of the tightening bolt.
5. A thread gauge as claimed in any one of claims 1 to 4, wherein: the driving mechanism is an operation hand wheel arranged at the rear end.
6. A thread gauge as claimed in any one of claims 1 to 4, wherein: the conical deformation sleeve is provided with a central hole which is penetrated along the axial direction, and is provided with a plurality of first cutting slits which extend from the front end to the rear section and are circumferentially distributed at intervals and a plurality of second cutting slits which extend from the rear end to the front section and are circumferentially distributed at intervals, wherein the first cutting slits and the second cutting slits are distributed in a staggered manner.
7. A thread gauge as claimed in any one of claims 1 to 4, wherein: the frame comprises a base and a bearing seat arranged on the base, and the rotating body is rotatably arranged in the bearing seat through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019398.1A CN108332643B (en) | 2018-01-09 | 2018-01-09 | Thread gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019398.1A CN108332643B (en) | 2018-01-09 | 2018-01-09 | Thread gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108332643A CN108332643A (en) | 2018-07-27 |
| CN108332643B true CN108332643B (en) | 2024-01-09 |
Family
ID=62923855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019398.1A Active CN108332643B (en) | 2018-01-09 | 2018-01-09 | Thread gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108332643B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604270Y (en) * | 2003-03-06 | 2004-02-25 | 李涌泉 | Work-clamping device on grinding machine |
| JP2011242300A (en) * | 2010-05-19 | 2011-12-01 | Toyota Motor Corp | Effective diameter measurement instrument of female screw |
| CN102425985A (en) * | 2011-06-08 | 2012-04-25 | 四川艾立特工具有限公司 | Internal thread taper detector for taper-pipe thread ring gauge |
| CN104142111A (en) * | 2013-08-19 | 2014-11-12 | 国家电网公司 | Screw rod and threaded hole perpendicularity test tool with same |
| DE102013224191A1 (en) * | 2013-11-27 | 2015-05-28 | Volkswagen Aktiengesellschaft | Shaft-hub joint connection and method of making the same |
| WO2015189225A1 (en) * | 2014-06-10 | 2015-12-17 | Firep Rebar Technology Gmbh | High-strength fastening device |
| CN205974921U (en) * | 2016-08-30 | 2017-02-22 | 泉州恒毅机械有限公司 | Can be from top to bottom rib knitting machine of barring -on each other |
| CN107127694A (en) * | 2017-06-01 | 2017-09-05 | 广西汽车集团有限公司 | A kind of whorl work piece clamping tool |
| CN208125043U (en) * | 2018-01-09 | 2018-11-20 | 泉州恒毅机械有限公司 | Utensil is examined to screw thread |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050241166A1 (en) * | 2004-01-20 | 2005-11-03 | Porter Robert D | Thread setting plug gage |
| CN109443136A (en) * | 2018-12-19 | 2019-03-08 | 昆山鑫轮超硬磨具有限公司 | External screw thread detection machine |
-
2018
- 2018-01-09 CN CN201810019398.1A patent/CN108332643B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604270Y (en) * | 2003-03-06 | 2004-02-25 | 李涌泉 | Work-clamping device on grinding machine |
| JP2011242300A (en) * | 2010-05-19 | 2011-12-01 | Toyota Motor Corp | Effective diameter measurement instrument of female screw |
| CN102425985A (en) * | 2011-06-08 | 2012-04-25 | 四川艾立特工具有限公司 | Internal thread taper detector for taper-pipe thread ring gauge |
| CN104142111A (en) * | 2013-08-19 | 2014-11-12 | 国家电网公司 | Screw rod and threaded hole perpendicularity test tool with same |
| DE102013224191A1 (en) * | 2013-11-27 | 2015-05-28 | Volkswagen Aktiengesellschaft | Shaft-hub joint connection and method of making the same |
| WO2015189225A1 (en) * | 2014-06-10 | 2015-12-17 | Firep Rebar Technology Gmbh | High-strength fastening device |
| CN205974921U (en) * | 2016-08-30 | 2017-02-22 | 泉州恒毅机械有限公司 | Can be from top to bottom rib knitting machine of barring -on each other |
| CN107127694A (en) * | 2017-06-01 | 2017-09-05 | 广西汽车集团有限公司 | A kind of whorl work piece clamping tool |
| CN208125043U (en) * | 2018-01-09 | 2018-11-20 | 泉州恒毅机械有限公司 | Utensil is examined to screw thread |
Non-Patent Citations (1)
| Title |
|---|
| C1350F数控重型卧式车床;马晓军 等;《科技成果》;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108332643A (en) | 2018-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106965087B (en) | Friction wedge type external grinding automatic clamp and using method thereof | |
| CN107186546B (en) | Round flange drilling indexing device and application thereof | |
| CN108332643B (en) | Thread gauge | |
| CN111975133A (en) | Gear grinding clamp for bevel hole gear | |
| CN209919286U (en) | Automatic screw-in machine for flange shaft nut | |
| CN216179594U (en) | Rapid centering clamp for grinding of pin gear shell | |
| CN204135772U (en) | Synchro converter ring tooth holder | |
| CN104339041B (en) | For processing the automatic cut-to-length floating support device of adapter | |
| CN101745829B (en) | Adjustable rotary electrical-discharge machining frock clamp | |
| CN208125043U (en) | Utensil is examined to screw thread | |
| CN106271786B (en) | A kind of thin cut ring limit state turning positioning fixture and its application method | |
| CN105364710A (en) | Grinding and clamping device for large hollow shaft part | |
| CN204277133U (en) | For processing the automatic cut-to-length floating support device of crossover sub | |
| CN202066444U (en) | Full-automatic thread testing machine | |
| CN203600063U (en) | Helical-gear pitch circle positioning fixture for numerically-controlled vertical grinder | |
| CN219151378U (en) | Part roundness correction clamp | |
| CN114310718B (en) | Quick positioning and fixing device and method for hole parts | |
| CN220216975U (en) | Clamping device of gear grinding machine | |
| CN215910604U (en) | Motor test locked rotor and rotor supporting multifunctional device | |
| CN209745215U (en) | coaxiality detection device for mounting hole of oil cylinder of upper cross beam of hydraulic press | |
| CN213765110U (en) | Cutter detection device for vertical machining center | |
| CN219474861U (en) | Dynamic balance jig for taper hole workpiece | |
| CN220112754U (en) | Annular thin-wall part compacting structure | |
| CN221111314U (en) | Cylinder edging fixture | |
| CN216263518U (en) | Machine tool spindle hole positioning and jacking device |
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 |