CN116660009A - Auxiliary device and method for centering and aligning sample - Google Patents
Auxiliary device and method for centering and aligning sample Download PDFInfo
- Publication number
- CN116660009A CN116660009A CN202310446165.0A CN202310446165A CN116660009A CN 116660009 A CN116660009 A CN 116660009A CN 202310446165 A CN202310446165 A CN 202310446165A CN 116660009 A CN116660009 A CN 116660009A
- Authority
- CN
- China
- Prior art keywords
- sample
- laser head
- linear infrared
- clamping seat
- clamping
- 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
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009864 tensile test Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a sample centering and aligning auxiliary device and a centering method, wherein the device comprises a linear infrared laser head and a mounting frame; the linear infrared laser head is fixed on the upper part of the mounting frame, the mounting frame is fixed on the left side or the right side of the lower clamping seat of the tensile testing machine, and the linear infrared light emitted by the linear infrared laser head is arranged along the vertical direction and is overlapped with the middle longitudinal surface of the upper clamping seat and the lower clamping seat along the left-right direction; the method comprises the following steps: firstly, drawing a central line on the surface of a sample along the direction of the sample to be stretched, respectively pre-tightening and clamping the upper end and the lower end of the sample between two clamping discs of an upper clamping seat and two clamping discs of a lower clamping seat of a tensile testing machine, and enabling the surface of the central line drawn on the sample to face the light emitting direction of a linear infrared laser head; and starting the linear infrared laser head, and adjusting the sample according to the projection condition of the linear infrared light emitted by the linear infrared laser head on the surface of the sample so as to enable the center line on the sample to coincide with the linear infrared light projected on the sample. The invention better solves the problem of sample centering.
Description
Technical Field
The invention belongs to the technical field of sample mechanics measurement in the field of steel pipe production, and particularly relates to a sample centering and aligning auxiliary device and a sample centering and aligning method.
Background
In the manufacture and production of steel pipe products, multiple tests such as mechanics, corrosion and the like are required to be performed on steel pipe samples. The mechanical test is to clamp two ends of a sample on an upper clamping seat and a lower clamping seat of a tensile machine, the lower clamping seat is fixed, the upper clamping seat moves upwards, and tensile force is applied to the sample until the sample is broken.
The existing upper clamping seat and lower clamping seat are composed of a left clamping disc and a right clamping disc, and the upper end and the lower end of a fixed sample are respectively clamped by applying clamping force to two sides of a workpiece. Examples of the test specimen to be subjected to the mechanical test include a round bar-shaped test specimen and a circular arc-shaped block-shaped test specimen. When these samples are subjected to mechanical tests, the ideal conditions are: the axial direction of the sample is vertical, and the upper and lower ends of the sample are preferably held in a centered manner.
The existing tensile testing machine is a universal tensile machine and is not provided with an auxiliary device for centering and aligning the sample. The current general method is as follows: the test staff can perform centering on the sample in a visual eye observation mode, and the accurate centering and vertical centering on the sample, especially on a round bar sample, can be hardly realized in the mode. In order to solve the problem of centering alignment, at present, a tester firstly draws a central line on the surface of a sample by means of a measuring ruler, and then performs centering vertical alignment by visual inspection or by means of a guiding ruler when the tester is mounted on an upper clamping seat and a lower clamping seat.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sample centering and aligning auxiliary device and a sample centering and aligning method which can realize quick centering and aligning of a sample on a tensile testing machine and ensure centering accuracy.
One of the above objects of the present invention is achieved by the following technical solutions:
the utility model provides a sample centering alignment auxiliary device which characterized in that: the device comprises a linear infrared laser head and a mounting rack; the linear infrared laser head is fixed on the upper portion of the mounting frame, the mounting frame is fixed on the left side or the right side of the lower clamping seat of the tensile testing machine, linear infrared light emitted by the linear infrared laser head is arranged in the vertical direction and coincides with the middle longitudinal surface of the upper clamping seat and the lower clamping seat in the left-right direction, and when sample alignment operation is carried out, the linear infrared light coincides with the center line of a sample clamped on the upper clamping seat and the lower clamping seat.
The mounting frame comprises a transverse connecting rod, a vertical connecting rod, a clamping seat, an upper threaded rod, a lower threaded rod, a laser head mounting seat, an upper joint and a lower joint; the clamping seat consists of two clamping sheets which are arranged in parallel front and back, a group of upper mounting holes are formed in the upper end parts of the two clamping sheets in an aligned mode, the upper joint is arranged between the two clamping sheets through the upper mounting holes, a radial threaded hole is formed in the middle of the upper joint, the upper joint is in threaded connection with the lower end of the vertical connecting rod through the radial threaded hole, the upper end of the vertical connecting rod is fixedly connected with the laser head mounting seat through a supporting disc, and a horizontal mounting hole is formed in the laser head mounting seat; the linear infrared laser head is fixedly arranged in the horizontal mounting hole in a penetrating way; a group of lower mounting holes are formed in the lower end parts of the two clamping pieces in an aligned mode, a lower joint is arranged in the lower mounting holes in a relatively rotatable and adjustable mode, the lower joint is vertically and fixedly connected with the outer end of the transverse connecting rod, the inner end of the transverse connecting rod is connected with a fixing disc, and the fixing disc is fixedly connected with the side part of the lower clamping seat; an upper threaded rod and a lower threaded rod are oppositely arranged between the upper connector and the lower connector on the clamping seat, so that the upper connector and the lower connector are fixed between the two clamping sheets.
An upper screw threading hole and a lower screw threading hole are formed in the rear clamping piece, and an upper screw threading hole and a lower screw threading hole are formed in the front clamping piece; an upper threaded rod is connected with the upper threaded rod penetrating hole and the upper threaded hole, and a lower threaded rod is connected with the lower threaded rod installing hole and the lower threaded hole.
And the fixed disc is a magnetic disc and is fixed on the side wall of the lower clamping seat through magnetic force adsorption. The fixing device is convenient for fixing the mounting frame on the lower clamping seat of the tensile testing machine and adjusting the fixing position.
The second object of the present invention is achieved by the following technical scheme:
a sample centering and aligning method is characterized in that: the sample centering and aligning auxiliary device comprises the following steps:
step 1, firstly, drawing a central line on the surface of a sample along the middle position of the sample to be stretched;
step 2, respectively pre-tightening and clamping the upper end and the lower end of a sample between two clamping discs of an upper clamping seat and two clamping discs of a lower clamping seat of a tensile testing machine, wherein the surface of a drawing center line on the sample faces the light emitting direction of a linear infrared laser head;
and 3, starting a linear infrared laser head, and adjusting the sample according to the projection condition of the linear infrared light emitted by the linear infrared laser head on the surface of the sample, so that the center line on the sample is overlapped with the linear infrared light projected on the sample, and the centering alignment of the sample is realized.
In the step 1, the auxiliary line drawing device is adopted for the round bar sample, and comprises a positioning base, wherein the positioning base consists of a bottom plate and vertical edges at two ends; a V-shaped groove for positioning the round bar-shaped sample is formed in the bottom plate of the positioning base; a pressing rod vertically penetrates through the two vertical plates, pressing blocks are respectively fixed at the inner ends of the two pressing rods, the inner end faces of the pressing blocks are compression action faces in contact with the end faces of the samples, a pressure spring is respectively sleeved on the two pressing rods, and two ends of the pressure spring are respectively in compression contact with the outer side faces of the pressing blocks on the corresponding sides and the inner side faces of the vertical plates on the corresponding sides; two guide rods which are arranged in parallel are connected across the two vertical plates, a pen rack is slidably arranged on the two guide rods, a downward extending line drawing pen is vertically arranged on the pen rack, and the center of a pen point of the line drawing pen coincides with the middle surface of the V-shaped groove.
The invention has the advantages and positive effects that:
the auxiliary device for centering and aligning the sample can project a piece of linear infrared light on the surface of the sample clamped between the upper clamping seat and the lower clamping seat of the tensile testing machine, the linear infrared light is used as a basis for centering the center line of the sample, the sample is convenient to align, the center line of the sample is overlapped with the linear infrared light by adjusting the sample pre-clamped between the upper clamping seat and the lower clamping seat, the rapid and accurate centering and aligning of the sample are realized, and the centering and aligning precision is improved.
Drawings
FIG. 1 is a front view of a sample centering and alignment aid of the present invention;
FIG. 2 is a perspective view of the centering assist device of the present invention;
FIG. 3 is a schematic illustration of the present invention drawing a midline on the surface of a block-like specimen;
FIG. 4 is a schematic view of a structure for drawing a midline on the surface of a round bar sample according to the present invention;
FIG. 5 is a reference diagram of the present invention for sample alignment on a tensile tester.
Detailed Description
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It should be noted that the present embodiments are illustrative and not restrictive.
Referring to fig. 1, 3 and 4, the invention is as follows: mainly comprises a linear infrared laser head 1.1 and a mounting rack. The linear infrared laser head is fixed in the upper portion of mounting bracket, the mounting bracket is fixed in the left side or the right side of the lower grip slipper of tensile testing machine, the linear infrared light that the linear infrared laser head sent sets up along vertical direction, and with last lower grip slipper along the middle longitudinal plane coincidence of left and right directions.
The mounting frame can realize the adjustment of the left and right positions of the linear infrared laser head from the upper clamping seat and the lower clamping seat, and in addition, can also realize the azimuth adjustment of the linear infrared laser head on the horizontal plane, so that the linear light emitted by the linear infrared precise head is conveniently adjusted to coincide with the middle longitudinal surface of the clamping disc. The mounting frame preferably adopts the following structure:
the mounting bracket includes transverse connection pole 1.10, vertical connection pole 1.4, grip slipper 1.11, goes up threaded rod 1.6, lower threaded rod, laser head mount pad 1.3, upper joint 1.5, lower joint 1.8. The clamping seat is composed of two clamping pieces which are arranged in parallel front and back. The upper end of two centre gripping pieces is aligned and is provided with a set of mounting hole, installs in last mounting hole the top connection, is provided with radial screw hole in the middle part of top connection, forms threaded connection through radial screw hole and the lower extreme of vertical connecting rod, is fixed with the supporting disk at the upper end of vertical connecting rod, and fixed mounting has on the supporting disk the laser head mount pad has the horizontal mounting hole on the laser head mount pad, and the aperture of horizontal mounting hole is greater than the external diameter of linear infrared laser head to be provided with radial top silk hole on the upper end lateral wall of horizontal mounting hole. The infrared laser head is inserted into the horizontal mounting hole and is fixed through a fastening screw 1.2 arranged in the radial top thread hole. The lower end parts of the two clamping sheets are aligned and provided with a group of lower mounting holes, a lower joint is arranged in the lower mounting holes in a relatively rotating and adjusting mode, the lower joint is vertically and fixedly connected with the outer end of the transverse connecting rod, the inner end of the transverse connecting rod is connected with a fixing disc 1.9, and the fixing disc is fixedly connected with the side part of the lower clamping seat. An upper screw penetrating hole and a lower screw threaded hole are formed in the rear clamping piece and located between the upper mounting hole and the lower mounting hole, and an upper screw threaded hole and a lower screw mounting hole are formed in the front clamping piece and located between the upper mounting hole and the lower mounting hole. An upper threaded rod is connected with an upper threaded rod penetrating hole and an upper threaded hole, a lower threaded rod is connected with a lower threaded rod in a lower threaded rod installing hole and a lower threaded hole, and an upper joint and a lower joint are fixed between two clamping pieces through the two threaded rods. A knob 1.7 is fixedly arranged at the rear end of the upper threaded rod and the front end of the lower threaded rod respectively, so that screwing or loosening operation of the upper threaded rod and the lower threaded rod is facilitated.
The fixed disk is a magnetic disk and is fixed on the side wall of the lower clamping seat through magnetic force adsorption. The fixing device is convenient for fixing the mounting frame on the lower clamping seat of the tensile testing machine and adjusting the fixing position.
The mounting frame is adopted, and after the threaded rod is unscrewed, the clamping seat can be rotated around the lower joint, so that the left and right position adjustment of the linear infrared laser head is realized; after being adjusted in place, the lower threaded rod is screwed down; when the vertical connecting rod is rotated, the horizontal direction of the linear infrared laser head can be adjusted, and the left and right positions and the horizontal direction of the linear infrared laser head can be adjusted, so that the emitted linear laser can be clearly and accurately irradiated on the middle surfaces of the upper clamping seat and the lower clamping seat along the left and right directions, and the installation position of the linear infrared laser head can be conveniently adjusted.
Based on the auxiliary device for centering and aligning the sample, the method for centering and aligning the sample comprises the following steps:
step 1, firstly, drawing a central line on the surface of a sample along the middle position of the sample to be stretched;
step 2, respectively clamping the upper end and the lower end of a sample between two clamping discs of an upper clamping seat 5 and two clamping discs of a lower clamping seat 6 of a tensile testing machine, wherein the clamping force is required to ensure that the sample cannot fall on one hand, and the sample can be slightly moved and rotated on the other hand, and in addition, the surface of a center line drawn on the sample faces the luminous direction of a linear infrared laser head;
and 3, starting a linear infrared laser head, and adjusting the sample according to the projection condition of the linear infrared light emitted by the linear infrared laser head on the surface of the sample, so that the center line on the sample is overlapped with the linear infrared light projected on the sample, and the centering alignment of the sample is realized.
For the flat plate-shaped and arc-shaped block-shaped sample 2, a line is drawn at the middle position of the surface of the sample, a plurality of middle points in the width direction of the sample can be found on the surface of the sample along the long side direction by means of a measuring ruler, the middle points of the plurality of marks are marked by a line drawing pen, and the middle points of the plurality of marks are connected into a line, namely the middle line 2.1 of the sample. See FIG. 3
In contrast, for round bar samples, because it is difficult to locate the sample on the platform and find the center line position, the auxiliary line drawing device is used in the present invention, and referring to fig. 4, the auxiliary line drawing device 3 includes a locating base 3.1, where the locating base is composed of a bottom plate and standing edges at two ends. A V-shaped groove 3.1.1 for positioning the round bar-shaped sample is arranged on the bottom plate of the positioning base; a pressing rod 3.2 is vertically arranged on the two vertical plates in a penetrating mode, pressing blocks 3.4 are respectively fixed at the inner ends of the two pressing rods, the inner end faces of the pressing blocks are compression action faces in contact with the end faces of the samples, a pressure spring 3.3 is respectively sleeved on the two pressing rods, and two ends of the pressure spring are respectively in compression contact with the outer side faces of the pressing blocks on the corresponding sides and the inner side faces of the vertical plates on the corresponding sides. Two parallel guide rods 3.7 are connected across the two vertical plates, a pen rack 3.5 is slidably arranged on the guide rods, a downward extending line drawing pen 3.6 is vertically arranged on the pen rack, and the center of a pen point of the line drawing pen coincides with the middle surface of the V-shaped groove.
The line drawing pen is used for drawing lines, the round bar sample 4 is placed on the upper surface of the bottom plate part of the positioning base, the sample is limited through the V-shaped groove, the sample is prevented from rolling on the surface of the positioning base, the two ends of the round bar sample are clamped and fixed through the pressing blocks at the two ends, and the sample is stably fixed on the positioning base; then remove the one end position that the penholder is close to the sample, loosen the holding screw 3.8 of fixed line pencil, move the line pencil downwards, make the nib of line pencil and the surface contact of sample, then the fixed line pencil of locking holding screw, locking force need not be too big, as long as guarantee that the line pencil is firm, can not reciprocate can. After the line drawing pen is fixed, the pen rack is manually moved, and drives the line drawing pen to draw a line 4.1 on the surface of the sample, wherein the line marks the center line position on the surface of the sample.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments and the disclosure of the drawings.
Claims (6)
1. The utility model provides a sample centering alignment auxiliary device which characterized in that: the device comprises a linear infrared laser head and a mounting rack; the linear infrared laser head is fixed on the upper portion of the mounting frame, the mounting frame is fixed on the left side or the right side of the lower clamping seat of the tensile testing machine, linear infrared light emitted by the linear infrared laser head is arranged in the vertical direction and coincides with the middle longitudinal surface of the upper clamping seat and the lower clamping seat in the left-right direction, and when sample alignment operation is carried out, the linear infrared light coincides with the center line of a sample clamped on the upper clamping seat and the lower clamping seat.
2. The specimen alignment auxiliary device according to claim 1, wherein: the mounting frame comprises a transverse connecting rod, a vertical connecting rod, a clamping seat, an upper threaded rod, a lower threaded rod, a laser head mounting seat, an upper joint and a lower joint; the clamping seat consists of two clamping sheets which are arranged in parallel front and back, a group of upper mounting holes are formed in the upper end parts of the two clamping sheets in an aligned mode, the upper joint is arranged between the two clamping sheets through the upper mounting holes, a radial threaded hole is formed in the middle of the upper joint, the upper joint is in threaded connection with the lower end of the vertical connecting rod through the radial threaded hole, the upper end of the vertical connecting rod is fixedly connected with the laser head mounting seat through a supporting disc, and a horizontal mounting hole is formed in the laser head mounting seat; the linear infrared laser head is fixedly arranged in the horizontal mounting hole in a penetrating way; a group of lower mounting holes are formed in the lower end parts of the two clamping pieces in an aligned mode, a lower joint is arranged in the lower mounting holes in a relatively rotatable and adjustable mode, the lower joint is vertically and fixedly connected with the outer end of the transverse connecting rod, the inner end of the transverse connecting rod is connected with a fixing disc, and the fixing disc is fixedly connected with the side part of the lower clamping seat; an upper threaded rod and a lower threaded rod are oppositely arranged between the upper connector and the lower connector on the clamping seat, so that the upper connector and the lower connector are fixed between the two clamping sheets.
3. The specimen alignment auxiliary device according to claim 2, wherein: an upper screw threading hole and a lower screw threading hole are formed in the clamping piece on the rear side, and an upper screw threading hole and a lower screw installation hole are formed in the clamping piece on the front side; an upper threaded rod is connected with the upper threaded rod penetrating hole and the upper threaded hole, and a lower threaded rod is connected with the lower threaded rod installing hole and the lower threaded hole.
4. The specimen alignment auxiliary device according to claim 2, wherein: the fixed disk is a magnetic disk and is fixed on the side wall of the lower clamping seat through magnetic force adsorption.
5. A sample centering and aligning method is characterized in that: use of a sample centering and alignment aid according to any of claims 1-4, comprising the steps of:
firstly, drawing a central line on the surface of a sample along the direction of the sample to be stretched;
step 2, respectively pre-tightening and clamping the upper end and the lower end of a sample between two clamping discs of an upper clamping seat and two clamping discs of a lower clamping seat of a tensile testing machine, wherein the surface of a drawing center line on the sample faces the light emitting direction of a linear infrared laser head;
and 3, starting a linear infrared laser head, and adjusting the sample according to the projection condition of the linear infrared light emitted by the linear infrared laser head on the surface of the sample, so that the center line on the sample is overlapped with the linear infrared light projected on the sample, and the centering alignment of the sample is realized.
6. The method for centering and aligning a sample according to claim 5, wherein: in the step 1, an auxiliary line drawing device is adopted for a round bar sample, wherein the auxiliary line drawing device comprises a positioning base, and the positioning base consists of a bottom plate and vertical edges at two ends; a V-shaped groove for positioning the round bar-shaped sample is formed in the bottom plate of the positioning base; a pressing rod vertically penetrates through the two vertical plates, pressing blocks are respectively fixed at the inner ends of the two pressing rods, the inner end faces of the pressing blocks are compression action faces in contact with the end faces of the samples, a pressure spring is respectively sleeved on the two pressing rods, and two ends of the pressure spring are respectively in compression contact with the outer side faces of the pressing blocks on the corresponding sides and the inner side faces of the vertical plates on the corresponding sides; two guide rods which are arranged in parallel are connected across the two vertical plates, a pen rack is slidably arranged on the two guide rods, a downward extending line drawing pen is vertically arranged on the pen rack, and the center of a pen point of the line drawing pen coincides with the middle surface of the V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446165.0A CN116660009A (en) | 2023-04-24 | 2023-04-24 | Auxiliary device and method for centering and aligning sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446165.0A CN116660009A (en) | 2023-04-24 | 2023-04-24 | Auxiliary device and method for centering and aligning sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116660009A true CN116660009A (en) | 2023-08-29 |
Family
ID=87716138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310446165.0A Pending CN116660009A (en) | 2023-04-24 | 2023-04-24 | Auxiliary device and method for centering and aligning sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116660009A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309598A (en) * | 2023-10-17 | 2023-12-29 | 徐州新兴达克罗科技有限公司 | Bolt detection equipment |
-
2023
- 2023-04-24 CN CN202310446165.0A patent/CN116660009A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309598A (en) * | 2023-10-17 | 2023-12-29 | 徐州新兴达克罗科技有限公司 | Bolt detection equipment |
| CN117309598B (en) * | 2023-10-17 | 2024-04-12 | 徐州新兴达克罗科技有限公司 | Bolt detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116660009A (en) | Auxiliary device and method for centering and aligning sample | |
| CN112033796B (en) | Testing tool and testing method for bending mechanical property of honeycomb sandwich structure | |
| CN110926400B (en) | Aperture measuring device | |
| CN210322252U (en) | Panel light brightness uniformity testing device | |
| CN111504772A (en) | Clamping and vertical centering device for tensile test sample and vertical centering method thereof | |
| CN207963690U (en) | Conventional polygon central point Quick positioning instrument | |
| CN217981120U (en) | Anchor tackle clamping piece hardness detects and uses frock | |
| CN214352406U (en) | Gauge length marking device | |
| CN210099641U (en) | Pencil lead sample preparation device | |
| CN210322251U (en) | Desk lamp illuminance grade testing device | |
| CN220304440U (en) | Large-size lens edge thickness difference measuring device | |
| CN220362572U (en) | Auxiliary device for line drawing of center line of round bar sample | |
| CN220251321U (en) | Total reflection straight lens production inspection platform | |
| CN215984271U (en) | Device applied to thread inspection | |
| CN215296125U (en) | Universal type screw rod straightness measuring device | |
| CN218837501U (en) | To aviation socket accurate positioning anchor clamps | |
| CN212170147U (en) | Clamp for measuring metal sample | |
| CN2879165Y (en) | Clamping mechanism and measuring device having the same | |
| CN220818897U (en) | Spring height detection device | |
| CN220399111U (en) | Impact test auxiliary positioning device | |
| CN218411984U (en) | Tensile elongation test instrument after breaking | |
| CN212458206U (en) | Internal thread pitch diameter detection device | |
| CN211503869U (en) | Angle micrometer with center positioning function | |
| CN219161210U (en) | High-precision detection tool | |
| CN219829722U (en) | Automobile part production gauge |
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 |