CN109990749B - Auxiliary device for measuring screw hole position degree - Google Patents
Auxiliary device for measuring screw hole position degree Download PDFInfo
- Publication number
- CN109990749B CN109990749B CN201910371910.3A CN201910371910A CN109990749B CN 109990749 B CN109990749 B CN 109990749B CN 201910371910 A CN201910371910 A CN 201910371910A CN 109990749 B CN109990749 B CN 109990749B
- Authority
- CN
- China
- Prior art keywords
- measuring
- screw hole
- plug
- wedge
- screw
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 10
- 238000007688 edging Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses an auxiliary device for measuring the position degree of a screw hole, which belongs to the technical field of hole detection, and comprises a measuring handle, wherein one end of the measuring handle is provided with a thread plug with the diameter smaller than the inner diameter of the screw hole to be measured, one side of the thread plug, which is far away from the axis of the measuring handle, is provided with a through gauge thread matched with the screw hole to be measured, the other side of the thread plug is provided with a tightening mechanism for pushing the thread plug to the surface of the screw hole to be measured, the axis of the through gauge thread is collinear with the axis of the measuring handle, and the tightening mechanism comprises a wedge-shaped tightening head, a guide plate and an elastic sheet for connecting the wedge-shaped tightening head with the guide plate. The invention can effectively measure the screw hole position degree by matching with a three-coordinate machine, and has high measuring efficiency and low cost.
Description
Technical Field
The invention relates to the technical field of hole detection, in particular to an auxiliary device for measuring the position of a screw hole.
Background
Currently, there are three main ways to measure the position of the screw hole set: firstly, directly using a three-coordinate machine to measure the position degree of a screw hole bottom hole as the position degree of a screw hole group, wherein the position degree of the screw hole bottom hole cannot truly reflect the axis position degree of the screw hole group; secondly, an auxiliary pin and a three-coordinate machine are adopted for measurement, threads matched with the screw holes are arranged on the auxiliary pin, the position of the auxiliary pin is measured by the three-coordinate machine after the auxiliary pin is completely screwed into the screw holes, so that the position degree of the screw hole group is obtained, and the defect that the auxiliary pin can be effectively measured only by being completely screwed into the screw holes is overcome, the screwing-in and screwing-out of the auxiliary pin are time-consuming, and the measurement efficiency is low; thirdly, the special measuring machine with the thread measuring head is used for measuring, the special measuring machine is high in price, and common production enterprises cannot realize the measurement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the auxiliary device for measuring the screw hole position, which can effectively measure the screw hole position by matching with a three-coordinate machine, has high measuring efficiency and low cost.
The technical scheme of the invention is as follows: the utility model provides a measure screw position degree auxiliary device, includes the measurement handle, the one end of measurement handle is equipped with rather than the diameter that eccentric arrangement is less than the screw internal diameter that awaits measuring, the screw is kept away from on the screw one side of measurement handle axle center be equipped with the clearance screw of screw looks adaptation that awaits measuring, the opposite side be equipped with be used for with the screw is stopped up to the tight mechanism of top on screw surface awaits measuring, clearance screw's axle center with the axle center collineation of measurement handle, tight mechanism of top include wedge top tight head, deflector and will the wedge top tight head is connected with the deflector's elastic sheet.
As a further improvement, the threaded plug is provided with a wedge-shaped groove matched with the wedge-shaped jacking head, the measuring handle is provided with a guide groove for installing the guide plate, and the guide groove extends to the threaded plug.
Further, one side of the wedge-shaped jacking head is provided with a wedge-shaped surface which is in sliding connection with the wedge-shaped groove, and the other side of the wedge-shaped jacking head is provided with an arc-shaped surface.
Further, the connection part of the elastic sheet and the guide plate is provided with an elastic part with two narrowed sides.
Further, a spring and a plug are arranged in the measuring handle, and two ends of the spring respectively prop against the guide plate and the plug.
Further, a guide sleeve wrapping the guide plate is sleeved on the periphery of the measuring handle, and the measuring handle is in interference fit with the guide sleeve.
Further, the threaded plug is provided with a separation groove for axially separating the go gauge threads into two parts.
Further, the threaded plug is provided with a first edging structure.
Advantageous effects
Compared with the prior art, the invention has the advantages that: according to the invention, the threaded plug is inserted near the bottom of the hole of the screw hole to be measured, so that the guide plate is propped against the end face of the screw hole to be measured, then the threaded plug is rotated, the threaded plug and the wedge-shaped propping head relatively slide, under the action of the wedge-shaped groove, the wedge-shaped propping head is used for propping the threaded plug against the surface of the screw hole to be measured, the screwing of the threaded plug is realized, the position of the screw hole can be effectively measured by detecting the position of the measuring handle through the cooperation of a three-coordinate machine, the screwing time of the threaded plug is short, the measuring efficiency is high, the whole structure is simple, the number of parts is small, and the cost is low.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural diagram of the present invention in practical application;
FIG. 3 is a schematic view of the front view of the screw plug of the present invention;
FIG. 4 is a schematic rear view of a threaded plug according to the present invention;
FIG. 5 is a cross-sectional view taken along the direction A-A in FIG. 3;
FIG. 6 is a schematic top view of a threaded plug according to the present invention;
fig. 7 is a schematic structural view of the tightening mechanism in the present invention.
Wherein: the device comprises a 1-measuring handle, a 2-screw hole to be measured, a 3-screw plug, a 4-through gauge screw, a 5-wedge-shaped tightening head, a 6-guide plate, a 7-elastic piece, an 8-wedge groove, a 9-guide groove, a 10-wedge surface, an 11-arc surface, a 12-elastic part, a 13-spring, a 14-plug, a 15-guide sleeve, a 16-separation groove, a 17-first edging structure, a 18-second edging structure, a 19-elastic piece mounting groove and a 20-containing cavity.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-7, an auxiliary device for measuring the position of a screw hole comprises a measuring handle 1, wherein one end of the measuring handle 1 is provided with a thread plug 3 which is eccentrically arranged with the thread plug and has a diameter smaller than the inner diameter of the screw hole 2 to be measured, the offset between the measuring handle 1 and the thread plug 3 is e, one side, far away from the axis of the measuring handle 1, of the thread plug 3 is provided with a go gauge thread 4 which is matched with the screw hole 2 to be measured, the other side is provided with a tightening mechanism for tightening the thread plug 3 to the surface of the screw hole 2 to be measured, the axis of the go gauge thread 4 is collinear with the axis of the measuring handle 1, the tightening mechanism is used for tightening the go gauge thread 4 in the thread of the screw hole 2 to be measured to realize the screwing of the thread plug 3, and after the thread plug 3 is screwed, the axis of the screw hole 2 to be measured coincides with the axis of the go gauge thread 4, and the position of the screw hole 2 to be measured can be obtained by detecting the position of the measuring handle 1.
In this embodiment, the tightening mechanism includes a wedge-shaped tightening head 5, a guide plate 6, and an elastic piece 7 connecting the wedge-shaped tightening head 5 and the guide plate 6, where the wedge-shaped tightening head 5, the guide plate 6, and the elastic piece 7 are integrally formed. The connection part of the elastic sheet 7 and the guide plate 6 is provided with an elastic part 12 with two narrowed sides, namely the thickness of the elastic part 12 is smaller than that of the elastic sheet 7, so that the effect of increasing elasticity is achieved. The wedge-shaped groove 8 matched with the wedge-shaped jacking head 5 is formed in the threaded plug 3, a wedge-shaped surface 10 which is in sliding connection with the wedge-shaped groove 8 is arranged on one side of the wedge-shaped jacking head 5, an arc-shaped surface 11 is arranged on the other side of the wedge-shaped jacking head, and the arc-shaped surface 11 is used for jacking the surface of the screw hole 2 to be tested, so that damage to the internal threads of the screw hole 2 to be tested can be reduced. When the wedge-shaped surface 10 moves away from the wedge-shaped groove 8, the distance between the arc-shaped surface 11 and the axis of the through gauge thread 4 is increased, so that the through gauge thread 4 is tightly propped in the thread of the screw hole 2 to be measured; when the wedge-shaped surface 10 moves close to the wedge-shaped groove 8, the distance between the arc-shaped surface 11 and the axis of the through gauge thread 4 is reduced, and the thread separation of the through gauge thread 4 and the screw hole 2 to be measured is realized. The measuring handle 1 is provided with a guide groove 9 for installing the guide plate 6, the guide groove 9 radially penetrates through the measuring handle 1, the guide groove 9 extends to the threaded plug 3, a T-shaped structure is arranged between the elastic piece 7 and the guide plate 6, and the guide plate 6 can play a guiding role in the guide groove 9 on one hand and can play a limiting role on the other hand. An elastic piece mounting groove 19 for mounting the elastic piece 7 is arranged on the threaded plug 3 between the wedge-shaped groove 8 and the guide groove 9, and in an initial state, the elastic piece 7 and the wedge-shaped jacking head 5 are positioned in the threaded plug 3.
In the embodiment, a spring 13 and a plug 14 are arranged in the measuring handle 1, a containing cavity 20 for installing the spring 13 and the plug 14 is arranged in the measuring handle 1, two ends of the spring 13 respectively prop against the guide plate 6 and the plug 14, and the plug 14 is in interference fit or threaded connection with the measuring handle 1. The periphery of the measuring handle 1 is sleeved with a guide sleeve 15 wrapping the guide plate 6, the measuring handle 1 is in interference fit with the guide sleeve 15, and the position degree of the screw hole 2 to be measured can be obtained through measuring the guide sleeve 15.
In this embodiment, the thread plug 3 is provided with a separation groove 16 for axially separating the through gauge thread 4 into two parts, so as to ensure that at least two parts of the through gauge thread 4 are contacted with the thread of the screw hole 2 to be measured during operation. Be equipped with first edging structure 17 on the screw plug 3, first edging structure 17 is located the both sides of the eccentric line between screw plug 3 and the measurement handle 1 respectively, and first edging structure 17 can reduce the cross-sectional dimension of screw plug 3, conveniently inserts screw plug 3 to await measuring screw hole 2, can reduce the screw interference of screw plug 3 and screw hole 2 to await measuring at screw plug 3 top in-process to the screw hole 2 surface to await measuring. The second edging structure 18 is arranged on the measuring handle 1, so that the measuring handle 1 can be conveniently held by hand to be screwed. The connection part of the measuring handle 1 and the threaded plug 3 is provided with a cylinder which is coaxially arranged with the measuring handle 1, and the cylinder can play a limiting role when the threaded plug 3 is screwed.
The specific working process of the invention is as follows:
1. inserting the threaded plug 3 into the screw hole 2 to be tested until the guide plate 6 abuts against the end face of the screw hole 2 to be tested;
2. the thread 4 of the go gauge is abutted against the thread of the screw hole 2 to be measured, the thread plug 3 is screwed, the thread plug 3 moves forwards in the screwing process, the guide plate 6 is limited by the end face of the screw hole 2 to be measured, the wedge-shaped jacking head 5 moves relatively away from the wedge-shaped groove 8, under the action of the wedge-shaped surface 10, the distance between the arc-shaped surface 11 and the axis of the thread 4 of the go gauge is increased until the arc-shaped surface 11 jacks the thread of the screw hole 2 to be measured, and correspondingly, the thread 4 of the go gauge is jacked in the thread of the screw hole 2 to be measured, so that the thread plug 3 is screwed;
3. detecting the position degree of the measuring handle 1 or the guide sleeve 15 by using a three-coordinate machine to obtain the position degree of the screw hole 2 to be measured;
4. unscrewing the threaded plug 3, enabling the threaded plug 3 to move backwards, enabling the wedge-shaped propping head 5 to move relatively close to the wedge-shaped groove 8 under the action of the spring 13, enabling the distance between the arc-shaped surface 11 and the axis of the through gauge thread 4 to be reduced, enabling the through gauge thread 4 to be separated from the thread of the screw hole 2 to be measured, and enabling the threaded plug 3 to be pulled out of the screw hole 2 to be measured to finish measurement work.
According to the invention, the threaded plug is inserted near the bottom of the hole of the screw hole to be measured, so that the guide plate is propped against the end face of the screw hole to be measured, then the threaded plug is rotated, the threaded plug and the wedge-shaped propping head relatively slide, under the action of the wedge-shaped groove, the wedge-shaped propping head is used for propping the threaded plug against the surface of the screw hole to be measured, the screwing of the threaded plug is realized, the position of the screw hole can be effectively measured by detecting the position of the measuring handle through the cooperation of a three-coordinate machine, the screwing time of the threaded plug is short, the measuring efficiency is high, the whole structure is simple, the number of parts is small, and the cost is low.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (8)
1. The utility model provides a measure screw position degree auxiliary device which characterized in that: including measuring handle (1), the one end of measuring handle (1) is equipped with and is less than screw plug (3) of the internal diameter of screw hole (2) that awaits measuring rather than the diameter that the decentres is arranged, keep away from on screw plug (3) one side of measuring handle (1) axle center be equipped with go-between screw thread (4) of screw hole (2) looks adaptation await measuring, the opposite side is equipped with be used for with screw plug (3) top to the tight mechanism of top on screw hole (2) surface await measuring, go-between screw thread (4) the axle center with the axle center collineation of measuring handle (1), tight mechanism of top include wedge top tight head (5), deflector (6) and will elastic disc (7) that wedge top tight head (5) and deflector (6) are connected.
2. The auxiliary device for measuring the position of a screw hole according to claim 1, wherein: the screw plug (3) on be equipped with wedge-shaped groove (8) of wedge jack (5) looks adaptation, measurement handle (1) on be equipped with installation guide way (9) of deflector (6), guide way (9) extend to screw plug (3).
3. The auxiliary device for measuring the position of a screw hole according to claim 2, wherein: one side of the wedge-shaped jacking head (5) is provided with a wedge-shaped surface (10) which is in sliding connection with the wedge-shaped groove (8), and the other side is provided with an arc-shaped surface (11).
4. The auxiliary device for measuring the position of a screw hole according to claim 1, wherein: the connection part of the elastic sheet (7) and the guide plate (6) is provided with an elastic part (12) with two narrowed sides.
5. The auxiliary device for measuring the position of a screw hole according to claim 1, wherein: the measuring handle (1) is internally provided with a spring (13) and a plug (14), and two ends of the spring (13) respectively prop against the guide plate (6) and the plug (14).
6. The auxiliary device for measuring the position of a screw hole according to claim 1, wherein: the periphery of the measuring handle (1) is sleeved with a guide sleeve (15) wrapping the guide plate (6), and the measuring handle (1) is in interference fit with the guide sleeve (15).
7. The auxiliary device for measuring the position of a screw hole according to claim 1, wherein: the thread plug (3) is provided with a separation groove (16) for axially separating the go gauge thread (4) into two parts.
8. An auxiliary device for measuring screw hole position according to any one of claims 1-7, wherein: the screw plug (3) is provided with a first edging structure (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371910.3A CN109990749B (en) | 2019-05-06 | 2019-05-06 | Auxiliary device for measuring screw hole position degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371910.3A CN109990749B (en) | 2019-05-06 | 2019-05-06 | Auxiliary device for measuring screw hole position degree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990749A CN109990749A (en) | 2019-07-09 |
| CN109990749B true CN109990749B (en) | 2024-02-09 |
Family
ID=67136148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910371910.3A Active CN109990749B (en) | 2019-05-06 | 2019-05-06 | Auxiliary device for measuring screw hole position degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990749B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1153632A (en) * | 1965-08-05 | 1969-05-29 | Secr Defence | Gauging Apparatus |
| US4586261A (en) * | 1982-12-31 | 1986-05-06 | Beaupere S.a.r.l., Z.I. des Granges | Universal dimensional gauge table for inner and outer measures |
| US5201112A (en) * | 1990-05-23 | 1993-04-13 | Framatome | Device for the simultaneous positioning of a plurality of threaded connecting elements |
| DE202007003334U1 (en) * | 2007-03-07 | 2007-06-06 | Bickel, Günter | Coupling device for screwing in/removing screw elements comprises a housing with fixed longitudinal coupling elements that interlock with coupling elements in the form of longitudinal grooves in the threaded part of a screw element |
| CN101733447A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Hole location calibration device |
| CN101886903A (en) * | 2010-05-07 | 2010-11-17 | 许晓华 | Detection device for threaded hole and output shaft position degree of motor case body |
| CN101907431A (en) * | 2010-07-29 | 2010-12-08 | 广东鸿特精密技术股份有限公司 | Hole position comprehensive check tool with auxiliary measuring block |
| CN102619821A (en) * | 2012-03-30 | 2012-08-01 | 苏州唐峰电器有限公司 | Pre-tightening device |
| CN103542787A (en) * | 2013-10-29 | 2014-01-29 | 湖南南方宇航工业有限公司 | Center hole measuring tool |
| CN103591866A (en) * | 2012-08-13 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | A position degree detection apparatus |
| CN103921226A (en) * | 2014-03-27 | 2014-07-16 | 西北工业大学 | V-root blade fixture and method of determining coordinate system thereby |
| CN104019714A (en) * | 2014-06-09 | 2014-09-03 | 广西玉柴机器股份有限公司 | Detection instrument for detecting location degrees of pin holes and nail passing hole set of flywheel |
| CN104019713A (en) * | 2014-05-20 | 2014-09-03 | 陕西法士特齿轮有限责任公司 | Threaded holes position accuracy comprehensive testing fixture |
| CN104296617A (en) * | 2014-10-20 | 2015-01-21 | 广西玉柴机器股份有限公司 | Gauge for pin hole position degree and screw hole set position degree of crank end face |
| CN105509593A (en) * | 2015-11-23 | 2016-04-20 | 天津华夏联盛汽车部件有限公司 | Positioning and clamping mechanism for automobile checking fixture |
| CN205808286U (en) * | 2016-06-16 | 2016-12-14 | 上虞市德骏传动机械有限公司 | A kind of three-in-one turntable bearing pulsation measurement instrument |
| CN209524896U (en) * | 2019-05-06 | 2019-10-22 | 广西玉柴机器股份有限公司 | A kind of measurement screw hole position tolerance auxiliary device |
-
2019
- 2019-05-06 CN CN201910371910.3A patent/CN109990749B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1153632A (en) * | 1965-08-05 | 1969-05-29 | Secr Defence | Gauging Apparatus |
| US4586261A (en) * | 1982-12-31 | 1986-05-06 | Beaupere S.a.r.l., Z.I. des Granges | Universal dimensional gauge table for inner and outer measures |
| US5201112A (en) * | 1990-05-23 | 1993-04-13 | Framatome | Device for the simultaneous positioning of a plurality of threaded connecting elements |
| DE202007003334U1 (en) * | 2007-03-07 | 2007-06-06 | Bickel, Günter | Coupling device for screwing in/removing screw elements comprises a housing with fixed longitudinal coupling elements that interlock with coupling elements in the form of longitudinal grooves in the threaded part of a screw element |
| CN101733447A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Hole location calibration device |
| CN101886903A (en) * | 2010-05-07 | 2010-11-17 | 许晓华 | Detection device for threaded hole and output shaft position degree of motor case body |
| CN101907431A (en) * | 2010-07-29 | 2010-12-08 | 广东鸿特精密技术股份有限公司 | Hole position comprehensive check tool with auxiliary measuring block |
| CN102619821A (en) * | 2012-03-30 | 2012-08-01 | 苏州唐峰电器有限公司 | Pre-tightening device |
| CN103591866A (en) * | 2012-08-13 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | A position degree detection apparatus |
| CN103542787A (en) * | 2013-10-29 | 2014-01-29 | 湖南南方宇航工业有限公司 | Center hole measuring tool |
| CN103921226A (en) * | 2014-03-27 | 2014-07-16 | 西北工业大学 | V-root blade fixture and method of determining coordinate system thereby |
| CN104019713A (en) * | 2014-05-20 | 2014-09-03 | 陕西法士特齿轮有限责任公司 | Threaded holes position accuracy comprehensive testing fixture |
| CN104019714A (en) * | 2014-06-09 | 2014-09-03 | 广西玉柴机器股份有限公司 | Detection instrument for detecting location degrees of pin holes and nail passing hole set of flywheel |
| CN104296617A (en) * | 2014-10-20 | 2015-01-21 | 广西玉柴机器股份有限公司 | Gauge for pin hole position degree and screw hole set position degree of crank end face |
| CN105509593A (en) * | 2015-11-23 | 2016-04-20 | 天津华夏联盛汽车部件有限公司 | Positioning and clamping mechanism for automobile checking fixture |
| CN205808286U (en) * | 2016-06-16 | 2016-12-14 | 上虞市德骏传动机械有限公司 | A kind of three-in-one turntable bearing pulsation measurement instrument |
| CN209524896U (en) * | 2019-05-06 | 2019-10-22 | 广西玉柴机器股份有限公司 | A kind of measurement screw hole position tolerance auxiliary device |
Non-Patent Citations (3)
| Title |
|---|
| 检测螺孔位置度综合量规的设计;匡伯铭;北京机械(第2期);30-31 * |
| 盘式制动器壳体底面加工的楔形夹紧液压夹具;张伟;科技风(第14期);18 * |
| 连杆小头楔形斜面位置度检具设计;丁锋;金属加工(冷加工)(第21期);66-67 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990749A (en) | 2019-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109990749B (en) | Auxiliary device for measuring screw hole position degree | |
| CN219715216U (en) | Fourier infrared spectrometer sample positioning mechanism | |
| CN115615276B (en) | Caliper with adjustable width and dimension and measuring method | |
| CN115060148B (en) | Coaxiality gauge for cylinder cover | |
| CN101586591A (en) | Inserting-directly type bolt fastener for square bar | |
| CN212082814U (en) | Hydraulic valve part detects clamping device | |
| CN215676818U (en) | Folding type piston depth tester | |
| CN203190908U (en) | Plug gauge for detecting coaxiality between internal thread and inner hole of cylinder barrel | |
| CN209524896U (en) | A kind of measurement screw hole position tolerance auxiliary device | |
| CN209623548U (en) | A kind of novel assembled automobile gauge compactor | |
| CN209857797U (en) | Clamping device for detecting runout tolerance of wheel disc brake surface | |
| CN208688413U (en) | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal | |
| CN209588904U (en) | A kind of cubing for disk class | |
| CN208921023U (en) | A kind of forging measuring device | |
| CN113432501A (en) | Honeycomb face jumping measuring tool | |
| CN216348383U (en) | High-speed section transmission shaft compression length detector | |
| CN202461603U (en) | Calibrating and positioning device for perpendicularity between center line and outer end surface of coarsely or finely bored piston pin hole | |
| CN211576566U (en) | Door closing force detection equipment for vehicle door | |
| CN205669976U (en) | A kind of high-precision main shaft inner bore checking fixture | |
| CN220625081U (en) | Qualitative quick detection tool for guide rail ribs of gate valve body | |
| CN211805574U (en) | Roll grinder measuring arm | |
| CN110125727B (en) | Device and method for measuring center distance of guide wheels of stand column guide rod of floor type boring and milling machine | |
| CN211291242U (en) | Automobile lamp part size measuring device | |
| CN212320563U (en) | Gauge for upper cover plate of substitute dispenser | |
| CN202656137U (en) | Auxiliary installation tool of nut supporting plate |
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 |