CN108344633A - A kind of light supply apparatus for Brinell's machine - Google Patents
A kind of light supply apparatus for Brinell's machine Download PDFInfo
- Publication number
- CN108344633A CN108344633A CN201810097000.6A CN201810097000A CN108344633A CN 108344633 A CN108344633 A CN 108344633A CN 201810097000 A CN201810097000 A CN 201810097000A CN 108344633 A CN108344633 A CN 108344633A
- Authority
- CN
- China
- Prior art keywords
- regulating device
- brinell
- machine
- lead screw
- light source
- 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.)
- Granted
Links
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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
Landscapes
- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The present invention discloses a kind of light supply apparatus for Brinell's machine, belongs to Brinell's machine technical field, including light source, regulating device, connecting rod and pedestal；Connecting rod is mounted on the base, and pedestal is connected with Brinell's machine；Regulating device includes X-direction regulating device, Y-direction regulating device, Z-direction regulating device and drop front, Z-direction regulating device is connected with connecting rod, light source is mounted on drop front, X-direction regulating device is connected with drop front, for adjusting light source in the position of X-direction, Y-direction regulating device is connected with X-direction regulating device, for adjusting the position of light source in the Y direction, the upper end of Z-direction regulating device is connected with Y-direction regulating device, for adjusting light source in the position of Z-direction, pass through X-direction regulating device, Y-direction regulating device and Z-direction regulating device adjust the position of light source, it is insufficient to solve screen light area in the prior art, the problem of causing that indentation hardness can not be measured.
Description
Technical field
The present invention relates to Brinell's machine technical fields, specially a kind of light supply apparatus for Brinell's machine.
Background technology
Brinell hardness tester is the precision measuring instrument for measuring metal Brinell hardness, is mainly used for cast iron, steel, non-ferrous metal
And the Determination of Hardness of the materials such as mild alloy, Brinell hardness test are the maximum a kind of test method(s)s of impression in all hardness tests, it
It can reflect the comprehensive performance of material, not the microscopic segregation of test sample tissue and the influence of uneven components, therefore be widely used in
In the measurement of metal hardness.
Currently, due to the defect of Brinell's machine self structure, measure when measurement that screen light area is insufficient, and causing can not
Indentation hardness is measured, causes experiment that can not carry out.And it will appear the phenomenon that light source deviates in an experiment, often occur
Blank screen situation can not be normally carried out hardness determination experiment, influence test process, to research and production task band significant stress.
Invention content
For problems of the prior art, the present invention provides a kind of light supply apparatus for Brinell's machine, realizes
Light source solves screen light area deficiency in the prior art, causing can not be to hardness pressure in the adjusting of X, Y and Z three-dimensional
The problem of trace measures.
The present invention is to be achieved through the following technical solutions：
A kind of light supply apparatus for Brinell's machine, including light source, regulating device, connecting rod and pedestal；
The connecting rod is mounted on the base, and pedestal is connected with Brinell's machine；
The regulating device includes X-direction regulating device, Y-direction regulating device, Z-direction regulating device and drop front, Z
Direction adjusting apparatus is connected with connecting rod, and light source is mounted on drop front, and X-direction regulating device is connected with drop front, is used
In adjusting light source in the position of X-direction, Y-direction regulating device is connected with X-direction regulating device, for adjusting light source in the Y direction
Position, the upper end of Z-direction regulating device is connected with Y-direction regulating device, for adjusting light source in the position of Z-direction, wherein
X-direction is horizontal direction, and Z-direction is vertical direction, and Y-direction is perpendicular to the direction of plane where X, Z.
Optionally, the X-direction regulating device include the first spiral micrometer knob, the first lead screw and the first sliding block, first
Spiral micrometer knob is mounted on one end of the first lead screw, and the first sliding block is connected with drop front, and the installation of the first lead screw is adjusted in the Y direction
On regulating device.
Optionally, the Y-direction regulating device include the second spiral micrometer knob, the second lead screw and the second sliding block, second
Spiral micrometer knob is mounted on one end of the second lead screw, and the second sliding block is connected with the first lead screw and the second lead screw of connection respectively,
First lead screw and the second lead screw are vertically arranged, and the second lead screw is mounted in Z-direction regulating device.
Optionally, the Z-direction regulating device is rack and pinion mechanism, and gear is mounted in connecting rod, rack and pinion
Engagement, rack upper end is connected with Y-direction regulating device.
Optionally, the Z-direction regulating device further includes knob, and knob is connected with gear, is used for rotate gear.
Optionally, the rack is connected by pillar with Y-direction regulating device.
Optionally, the pedestal includes the first half and the second half, is respectively arranged on the first half and the second half
Semicircle orifice, for installing connecting rod, the first half are connected with the second half by adjusting nut the semicircle orifice.
Optionally, further include power supply circuit, the power supply circuit includes transformer, the high-voltage winding and alternating current of transformer
Source connects, and transformer low voltage winding output end is connected with the input terminal of light source HL, and the other end of light source is connected with potentiometer Rp, electricity
Position device Rp is connected with the input terminal of transformer low voltage winding.
Optionally, fuse Fu3 is provided between potentiometer Rp and the input terminal of transformer low voltage winding.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention discloses a kind of light supply apparatus for Brinell's machine, including light source, regulating device, connecting rod and bottom
Seat；Connecting rod is mounted on the base, and pedestal is connected with Brinell's machine；Regulating device includes X-direction regulating device, Y-direction tune
Regulating device, Z-direction regulating device and drop front, Z-direction regulating device are connected with connecting rod, and light source is mounted on drop front
On, X-direction regulating device is connected with drop front, for adjusting light source in the position of X-direction, Y-direction regulating device and X-direction
Regulating device connects, and for adjusting the position of light source in the Y direction, the upper end of Z-direction regulating device and Y-direction regulating device connect
It connects, for adjusting light source in the position of Z-direction, passes through X-direction regulating device, Y-direction regulating device and Z-direction regulating device tune
The position of light source is saved, realizes that measuring screen light area reaches 95% or so of total screen area, indentation edge is high-visible, carries
The accuracy of high measurement, solves in the prior art that screen light area is insufficient, causes that indentation hardness can not be measured
Problem.
The present invention discloses a kind of power supply circuit of the light supply apparatus for Brinell's machine, flows through light by potentiometer adjusting
The electric current in source avoids burning light source since electric current is excessive.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of light supply apparatus for Brinell's machine provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of pedestal provided in an embodiment of the present invention；
Fig. 3 is a kind of front view of pedestal provided in an embodiment of the present invention；
Fig. 4 is a kind of optical system diagram of Brinell's machine provided in an embodiment of the present invention；
Fig. 5 is a kind of power supply circuit of light supply apparatus for Brinell's machine provided in an embodiment of the present invention.
In figure：1. the first spiral micrometer knob, 2. drop fronts, 3. second spiral micrometer knobs, 4. pillars, 5. knobs,
6. light source, 7. connecting rods, 8. pedestals, 81. the first half, 82. the second half.
Specific implementation mode
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
As shown in Figure 1, a kind of light supply apparatus for Brinell's machine, including light source 6, regulating device, connecting rod 7 and bottom
Seat 8；
Connecting rod 7 is mounted on pedestal 8, and pedestal 8 is connected with Brinell's machine；Regulating device include X-direction regulating device,
Y-direction regulating device, Z-direction regulating device and drop front 2, Z-direction regulating device and connecting rod 7 connect, and light source 6 is mounted on
On drop front 2, X-direction regulating device and drop front 2 connect, and for adjusting light source 6 in the position of X-direction, Y-direction is adjusted
Device is connected with X-direction regulating device, for adjusting the position of light source 6 in the Y direction, the upper end of Z-direction regulating device and Y-direction
Regulating device connects, for adjusting light source 6 in the position of Z-direction, wherein and X-direction is horizontal direction, and Z-direction is vertical direction,
Y-direction is perpendicular to the direction of plane where X, Z.
X-direction regulating device includes the first spiral micrometer knob 1, the first lead screw and the first sliding block, the first spiral micrometer rotation
Button 1 is mounted on one end of the first lead screw, and the first sliding block and drop front 2 connect, and Y-direction regulating device includes the second spiral micrometer
Knob 3, the second lead screw and the second sliding block, the second spiral micrometer knob 3 be mounted on the second lead screw one end, the second sliding block respectively and
First lead screw and connection the second lead screw connection, the first lead screw and the second lead screw are vertically arranged, and the second lead screw is mounted on Z-direction tune
On regulating device.
Wherein, the second lead screw can be mounted on by bearing in Z-direction regulating device, and the second lead screw and the second sliding block pass through
Screw thread engages, and the first lead screw and the second sliding block are connected by bearing, and the first lead screw and the first sliding block are engaged by screw thread.
Optionally, rack is connected by pillar 4 with Y-direction regulating device, and 4 upper end of pillar is provided with bearing, the second screw rod
In the bearing.
Z-direction regulating device is rack and pinion mechanism, and gear is mounted in connecting rod 7, rack and pinion engagement, on rack
End is connected with Y-direction regulating device.Z-direction regulating device further includes knob 5, and knob 5 is connected with gear, is used for rotate gear.
As shown in Figures 2 and 3, pedestal 8 includes the first half and the second half, is set respectively on the first half and the second half
It is equipped with semicircle orifice, for installing connecting rod 7, the first half are connected with the second half by adjusting nut the semicircle orifice.
A kind of adjustment process of light supply apparatus for Brinell's machine provided in an embodiment of the present invention is as follows：
Adjusting knob 5 is rotated, gear band carry-over bar moves up and down, to adjust light source in the position of Z-direction；Rotation second
Spiral micrometer knob 3 drives the rotation of the second lead screw, the second lead screw that the second sliding block is driven to be moved along Y-direction, drives drop front 2
It is moved along Y-direction with light source；The first spiral micrometer knob 1 is rotated, the rotation of the first lead screw, the first lead screw is driven to drive the second sliding block
It moves in X direction, drop front 2 and light source is driven to move in X direction.
As shown in figure 4, in use, the light that light source is sent out is reflected into screen by condenser and the speculum being oppositely arranged
On.
As shown in figure 5, a kind of power supply circuit of light supply apparatus for Brinell's machine, including transformer, transformer
High-voltage winding is connected with AC power, and transformer low voltage winding output end is connected with the input terminal of light source HL, and light source HL's is another
End is connected with potentiometer Rp, and potentiometer Rp is connected with the input terminal of transformer low voltage winding.Potentiometer and transformer low voltage winding
Input terminal between be provided with fuse Fu3.
Wherein, AC power is the alternating current of 380V, is respectively arranged between transformer high-voltage winding and AC power molten
Disconnected device Fu1 and Fu2, light source both ends are connected with voltmeter V, the voltage for detecting light source.
The specific embodiment that the present invention is lifted only is the annotation to the invention spirit, person skilled in the art of the present invention
It can modify to the specific embodiment of description or similar method substitutes, without departing from the spirit of the present invention.
Claims (9)
1. a kind of light supply apparatus for Brinell's machine, which is characterized in that including light source (6), regulating device, connecting rod (7)
With pedestal (8)；
The connecting rod (7) is mounted on pedestal (8), and pedestal (8) is connected with Brinell's machine；
The regulating device includes X-direction regulating device, Y-direction regulating device, Z-direction regulating device and drop front (2), Z
Direction adjusting apparatus and connecting rod (7) connection, light source (6) are mounted on drop front (2), X-direction regulating device and active face
Plate (2) connects, and for adjusting light source (6) in the position of X-direction, Y-direction regulating device is connected with X-direction regulating device, is used for
The position of light source (6) in the Y direction is adjusted, the upper end of Z-direction regulating device is connected with Y-direction regulating device, for adjusting light source
(6) in the position of Z-direction, wherein X-direction is horizontal direction, and Z-direction is vertical direction, and Y-direction is flat where X, Z
The direction in face.
2. a kind of light supply apparatus for Brinell's machine as described in claim 1, which is characterized in that the X-direction is adjusted
Device includes the first spiral micrometer knob (1), the first lead screw and the first sliding block, and the first spiral micrometer knob (1) is mounted on first
One end of lead screw, the first sliding block and drop front (2) connection, the installation of the first lead screw is in the Y direction in regulating device.
3. a kind of light supply apparatus for Brinell's machine as claimed in claim 2, which is characterized in that the Y-direction is adjusted
Device includes the second spiral micrometer knob (3), the second lead screw and the second sliding block, and the second spiral micrometer knob (3) is mounted on second
One end of lead screw, for the second sliding block respectively with the first lead screw and connection the second lead screw connection, the first lead screw and the second lead screw are vertical
Setting, the second lead screw are mounted in Z-direction regulating device.
4. a kind of light supply apparatus for Brinell's machine as described in claim 1, which is characterized in that the Z-direction is adjusted
Device is rack and pinion mechanism, and gear is mounted in connecting rod (7), and rack and pinion engagement, rack upper end and Y-direction adjust dress
Set connection.
5. a kind of light supply apparatus for Brinell's machine as claimed in claim 4, which is characterized in that the Z-direction is adjusted
Device further includes knob (5), and knob (5) is connected with gear, is used for rotate gear.
6. a kind of light supply apparatus for Brinell's machine as claimed in claim 4, which is characterized in that the rack passes through branch
Column (4) is connected with Y-direction regulating device.
7. a kind of light supply apparatus for Brinell's machine as described in claim 1, which is characterized in that pedestal (8) packet
It includes the first half (81) and the second half (82), semicircle orifice is respectively arranged on the first half (81) and the second half (82), it should
For installing connecting rod (7), the first half (81) are connected with the second half (82) by adjusting nut semicircle orifice.
8. a kind of light supply apparatus for Brinell's machine as described in claim 1, which is characterized in that further include power supply electricity
Road, the power supply circuit include transformer, and the high-voltage winding of transformer is connected with AC power, transformer low voltage winding output end
It is connected with the input terminal of light source, the other end of light source is connected with potentiometer Rp, the input of potentiometer Rp and transformer low voltage winding
End connection.
9. a kind of light supply apparatus for Brinell's machine as claimed in claim 8, which is characterized in that potentiometer Rp and transformation
Fuse Fu3 is provided between the input terminal of device low pressure winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097000.6A CN108344633B (en) | 2018-01-31 | 2018-01-31 | Light source device for Brinell hardness machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097000.6A CN108344633B (en) | 2018-01-31 | 2018-01-31 | Light source device for Brinell hardness machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108344633A true CN108344633A (en) | 2018-07-31 |
| CN108344633B CN108344633B (en) | 2020-12-25 |
Family
ID=62961455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810097000.6A Active CN108344633B (en) | 2018-01-31 | 2018-01-31 | Light source device for Brinell hardness machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344633B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005031314A1 (en) * | 2003-09-26 | 2005-04-07 | C.I.S.A.M. S.A.S. Di A Ernst E C. | Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvil |
| CN2758746Y (en) * | 2004-12-27 | 2006-02-15 | 比亚迪股份有限公司 | Pencil hardometer |
| CN2802274Y (en) * | 2005-05-09 | 2006-08-02 | 许神保 | Lamps that can be adjusted in three dimensions |
| CN201206756Y (en) * | 2008-05-23 | 2009-03-11 | 中山市创英电器有限公司 | Desk lamp |
| CN201475846U (en) * | 2009-09-07 | 2010-05-19 | 泉州海日星工艺美术有限公司 | Rotating solar light device |
| JP4519353B2 (en) * | 2001-04-19 | 2010-08-04 | 株式会社ミツトヨ | Hardness testing machine |
| CN201570166U (en) * | 2010-01-07 | 2010-09-01 | 满昌民 | Novel experiment light source device |
| CN202195991U (en) * | 2011-07-18 | 2012-04-18 | 山西太钢不锈钢股份有限公司 | Secondary light source apparatus of Brinell hardness tester |
| CN202327805U (en) * | 2011-11-27 | 2012-07-11 | 梁菲菲 | Universal adjustable table lamp |
| CN202974786U (en) * | 2012-11-13 | 2013-06-05 | 浙江大铭汽车零部件有限公司 | Vickers hardness tester |
| CN203010417U (en) * | 2012-12-30 | 2013-06-19 | 深圳市智信精密仪器有限公司 | Four-axis light source for optical detection |
| CN203052370U (en) * | 2012-12-31 | 2013-07-10 | 朱宇航 | Desk lamp capable of rotating in all dimensions |
| CN203997608U (en) * | 2014-08-06 | 2014-12-10 | 中国石油化工股份有限公司 | A kind of petrol storage tank gauging illumination auxiliary device |
| CN204202978U (en) * | 2014-09-23 | 2015-03-11 | 国家电网公司 | A kind of Brinell tester reading microscope lighting device |
| CN204665043U (en) * | 2015-06-11 | 2015-09-23 | 莆田市标盛贸易有限公司 | A kind of can left and right adjustment position constructions work lighting device |
| CN205015235U (en) * | 2015-08-26 | 2016-02-03 | 宋国民 | Hardmeter |
| CN205079127U (en) * | 2015-09-11 | 2016-03-09 | 叶星雄 | An automatic positioning LED lamp for a smart home bed |
| CN205490811U (en) * | 2016-01-30 | 2016-08-17 | 山西大同大学 | Ancient times books scanner |
| CN106525623A (en) * | 2015-09-10 | 2017-03-22 | 株式会社三丰 | Hardness tester |
| CN106546502A (en) * | 2017-01-10 | 2017-03-29 | 上海奥龙星迪检测设备有限公司 | It is a kind of to be used for the scleroscopic optical measuring system of gear |
| CN106772320A (en) * | 2017-03-10 | 2017-05-31 | 中国科学技术大学 | A kind of first successive step vertical means of the transmitting beam direction of laser radar |
| CN206496995U (en) * | 2017-03-06 | 2017-09-15 | 江苏省交通工程集团百润工程检测有限公司 | A kind of Rockwell apparatus |
-
2018
- 2018-01-31 CN CN201810097000.6A patent/CN108344633B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4519353B2 (en) * | 2001-04-19 | 2010-08-04 | 株式会社ミツトヨ | Hardness testing machine |
| WO2005031314A1 (en) * | 2003-09-26 | 2005-04-07 | C.I.S.A.M. S.A.S. Di A Ernst E C. | Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvil |
| CN2758746Y (en) * | 2004-12-27 | 2006-02-15 | 比亚迪股份有限公司 | Pencil hardometer |
| CN2802274Y (en) * | 2005-05-09 | 2006-08-02 | 许神保 | Lamps that can be adjusted in three dimensions |
| CN201206756Y (en) * | 2008-05-23 | 2009-03-11 | 中山市创英电器有限公司 | Desk lamp |
| CN201475846U (en) * | 2009-09-07 | 2010-05-19 | 泉州海日星工艺美术有限公司 | Rotating solar light device |
| CN201570166U (en) * | 2010-01-07 | 2010-09-01 | 满昌民 | Novel experiment light source device |
| CN202195991U (en) * | 2011-07-18 | 2012-04-18 | 山西太钢不锈钢股份有限公司 | Secondary light source apparatus of Brinell hardness tester |
| CN202327805U (en) * | 2011-11-27 | 2012-07-11 | 梁菲菲 | Universal adjustable table lamp |
| CN202974786U (en) * | 2012-11-13 | 2013-06-05 | 浙江大铭汽车零部件有限公司 | Vickers hardness tester |
| CN203010417U (en) * | 2012-12-30 | 2013-06-19 | 深圳市智信精密仪器有限公司 | Four-axis light source for optical detection |
| CN203052370U (en) * | 2012-12-31 | 2013-07-10 | 朱宇航 | Desk lamp capable of rotating in all dimensions |
| CN203997608U (en) * | 2014-08-06 | 2014-12-10 | 中国石油化工股份有限公司 | A kind of petrol storage tank gauging illumination auxiliary device |
| CN204202978U (en) * | 2014-09-23 | 2015-03-11 | 国家电网公司 | A kind of Brinell tester reading microscope lighting device |
| CN204665043U (en) * | 2015-06-11 | 2015-09-23 | 莆田市标盛贸易有限公司 | A kind of can left and right adjustment position constructions work lighting device |
| CN205015235U (en) * | 2015-08-26 | 2016-02-03 | 宋国民 | Hardmeter |
| CN106525623A (en) * | 2015-09-10 | 2017-03-22 | 株式会社三丰 | Hardness tester |
| CN205079127U (en) * | 2015-09-11 | 2016-03-09 | 叶星雄 | An automatic positioning LED lamp for a smart home bed |
| CN205490811U (en) * | 2016-01-30 | 2016-08-17 | 山西大同大学 | Ancient times books scanner |
| CN106546502A (en) * | 2017-01-10 | 2017-03-29 | 上海奥龙星迪检测设备有限公司 | It is a kind of to be used for the scleroscopic optical measuring system of gear |
| CN206496995U (en) * | 2017-03-06 | 2017-09-15 | 江苏省交通工程集团百润工程检测有限公司 | A kind of Rockwell apparatus |
| CN106772320A (en) * | 2017-03-10 | 2017-05-31 | 中国科学技术大学 | A kind of first successive step vertical means of the transmitting beam direction of laser radar |
Non-Patent Citations (1)
| Title |
|---|
| 于友奇: "布氏硬度计控制机构常见故障及处理", 《计量与测试技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108344633B (en) | 2020-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103674692A (en) | Three/four-point bending performance test general clamp for material | |
| CN103091163A (en) | Device for measuring elongation and cross section shrink rate of metal stretching sample through fast clamping | |
| CN101071112B (en) | Silicon single crystal ingot X-ray directing instrument | |
| CN201081695Y (en) | Contact roller type plate thickness distribution measuring device | |
| CN105675396B (en) | Multi-functional single shaft tensile test apparatus for microstructure original position online observation | |
| CN103439191A (en) | Experimental platform aiming at comprehensive performance testing of IPMC (Ionic Polymer Metal Composite) artificial muscle material | |
| CN202471538U (en) | High-precision digital display marking apparatus | |
| CN204009087U (en) | Ionization chamber position regulator | |
| CN2709096Y (en) | Numerical controlled machine tool knife setting instrument | |
| CN201548181U (en) | High-precision straightness inspector | |
| CN104091748B (en) | Ionization chamber adjusting means | |
| CN205643186U (en) | Optical detection instrument | |
| CN108344633A (en) | A kind of light supply apparatus for Brinell's machine | |
| CN202757730U (en) | Solar battery plate welding tension testing device | |
| CN204535851U (en) | A kind of automatic location illuminance tester verification device | |
| CN111412866A (en) | Mobile measuring device for detecting straightness of working edge of knife edge-shaped ruler | |
| CN208579907U (en) | A kind of display panel compression bonding apparatus | |
| CN103512506B (en) | Gap between automobile front and back door and jump range estimation training station | |
| CN206177237U (en) | Pneumatic flatness detection machine of contact | |
| CN205642337U (en) | Thickness tester | |
| CN211740204U (en) | Special gradient measuring device of building engineering | |
| CN203519423U (en) | Mechanical tensile experiment testing device | |
| CN209857944U (en) | High-precision thickness gauge for thin film | |
| CN207923662U (en) | A kind of scraping plate of automatic fineness gauge | |
| CN201569444U (en) | Precise small-angle detection 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 |