CN110296642A - It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder - Google Patents
It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder Download PDFInfo
- Publication number
- CN110296642A CN110296642A CN201910219090.6A CN201910219090A CN110296642A CN 110296642 A CN110296642 A CN 110296642A CN 201910219090 A CN201910219090 A CN 201910219090A CN 110296642 A CN110296642 A CN 110296642A
- Authority
- CN
- China
- Prior art keywords
- auxiliary scale
- measuring
- scale
- auxiliary
- measuring jaw
- 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
- 230000001788 irregular Effects 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000126 substance Substances 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
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/38—Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
- G01B7/13—Internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder, including main scale, the first auxiliary scale that is vertical with described main scale one end and being fixedly connected, the second auxiliary scale being connect with first auxiliary scale one end by bindiny mechanism's Vertical movements, the bindiny mechanism includes the cutting ferrule for being fixedly connected and capable of being slided in first auxiliary scale with second auxiliary scale one end, sliding slot in first auxiliary scale, it can be slided along the sliding slot and can be by second auxiliary scale bolt fixed vertical with first auxiliary scale, the main scale, measurement outer diameter is respectively provided in first auxiliary scale and the second auxiliary scale, the measuring jaw of height and internal diameter, the configuration of the present invention is simple, it is at low cost, it operates easy to carry, only once-through operation is needed to measure, the length of irregular cylinder can be measured simultaneously, internal diameter, the multinomial relevant information such as outer diameter, reduce behaviour Make number, save time of measuring, the setting of display screen makes measurement data very clear, reads simpler and not easy to make mistakes.
Description
Technical field
The present invention relates to measurer fields more particularly to a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder, such as
Measurement for bullet.
Background technique
Currently, domestic usually used measuring tool is vernier caliper, in actual measurement use process, it is desirable to measure not
The multinomial data such as height, the outer diameter and inner diameter of regular cylindrical body are needed by repeatedly measuring, and measurement numerical value is read in measurement operation
Process is cumbersome, wastes time, and is easy error.
For example bullet is a kind of irregular cylinder.
According to the relevant provisions of laws and regulations of country, verification of traces personnel should accurately measure case-involving bullet casing external
Data, such as: length, the data of faucal internal diameter, root edge diameter for the bullet shell case that scene is left.It is a kind of accurate so just to need
Measuring tool, currently, domestic usually used measuring tool is vernier caliper.But in actual measurement use process, survey
Amount operation, reading measurement numerical value are comparatively laborious.Verification of traces personnel are needed when using vernier caliper measurement for different portions
Position, measures, and measure every time respectively, requires the state and angle of adjustment bullet shell case.And verification of traces personnel are logical
It is often to come the state and angle of operation adjustment bullet shell case in the case where band gloves, operation, which will lead to, in this way wipes out bullet
Substances of DNA information and other attachments that the trace evidence left on shell case, shooting remnants, suspect leave.In addition, because
Bullet casing external is arc, so verification of traces personnel often occur because not having clamping to be measured in measurement process
Bullet shell case causes measured bullet shell case to be detached from slide calliper rule and falls on the ground, to destroy existing trace on bullet shell case
Material evidence and other attachment materials.
Summary of the invention
It is at low cost the object of the present invention is to provide a kind of structure is simple, it operates easy to carry for measuring irregular roundness
The electronic surveying slide calliper rule of cylinder.
The object of the present invention is achieved like this:
It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder, including it is main scale, vertical with described main scale one end and fixed
First auxiliary scale of connection, the second auxiliary scale being connect with first auxiliary scale one end by bindiny mechanism's Vertical movements, the connection
Mechanism include be fixedly connected with second auxiliary scale one end and can be slided in first auxiliary scale cutting ferrule, be located at described first
Sliding slot in auxiliary scale can slide and can be by second auxiliary scale bolt fixed vertical with first auxiliary scale along the sliding slot.
Second auxiliary scale is equipped with to be flexibly connected and in second auxiliary scale by connector with second auxiliary scale
The first telescopic rod and the second telescopic rod of parallel sliding, first telescopic rod and second telescopic rod can be along the vertical direction
It draws high and shrinks, the bottom of first telescopic rod and second telescopic rod is respectively equipped with the first measuring jaw and the second measuring jaw, institute
Stating the first measuring jaw and second measuring jaw is arc.
Second auxiliary scale is equipped with can be along the vernier of the second auxiliary scale parallel sliding.
First auxiliary scale is equipped with the third measuring jaw being flexibly connected by connector with first auxiliary scale.
First auxiliary scale is equipped with and is fixedly connected with first auxiliary scale and the 4th measuring jaw of camber, the 4th amount
Pawl is located at the connecting pin of first auxiliary scale and the main scale.
The main scale is equipped with to be flexibly connected and the 5th measuring jaw of camber by connector with the main scale, and the described 5th
Measuring jaw is fixedly connected with the display screen for showing measurement data.
The main scale, first auxiliary scale and second auxiliary scale back side are respectively equipped with first sensor, second sensor
And 3rd sensor, the first sensor include being located at first fixed grid at the main scale blade back side and fixing with the 5th measuring jaw
Connection the first capacitive grating, the second sensor include positioned at the first auxiliary scale blade back side the second fixed grid and with third amount
The second capacitive grating that pawl is fixedly connected, the 3rd sensor include positioned at the second auxiliary scale blade back side third fixed grid and with
The third capacitive grating that second measuring jaw is fixedly connected, the first sensor, second sensor and 3rd sensor connect with display screen
It connects.
The beneficial effects of the present invention are: the configuration of the present invention is simple, at low cost, operation is easy to carry, only once-through operation is needed to survey
Amount, can measure the multinomial data such as length, internal diameter, outer diameter of irregular cylinder simultaneously, reduce number of operations, save survey
The time is measured, the setting of display screen makes measurement data very clear, reads simple and not easy to make mistakes.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram when present invention uses;
In figure: main scale 1, the first auxiliary scale 2, the second auxiliary scale 3, the first telescopic rod 4, the second telescopic rod 5, the first measuring jaw 6, the second measuring jaw
7, third measuring jaw 8, vernier 9, the 4th measuring jaw 10, the 5th measuring jaw 11, display screen 12, bindiny mechanism 13, sliding slot 14.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As depicted in figs. 1 and 2, a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder, including main scale 1 and institute
State 1 one end of main scale it is vertical and be fixedly connected the first auxiliary scale 2, with described first auxiliary scale, 2 one end pass through the vertical work of bindiny mechanism 13
Second auxiliary scale 3 of dynamic connection, second auxiliary scale 3 is equipped with can be along the vernier 9 of 3 parallel sliding of the second auxiliary scale, the master
Ruler 1, first auxiliary scale 2 and second auxiliary scale 3 with a thickness of 1 centimetre, the measurement range of the main scale 1 is 0-18 centimetres,
The measurement range of first auxiliary scale 2 is 0-12 centimetres, and the measurement range of second auxiliary scale 3 is 0-6 centimetres, the connection
Mechanism 13 include be fixedly connected with described second auxiliary scale, 3 one end and can be slided in first auxiliary scale 2 cutting ferrule, be located at it is described
Sliding slot 14 in first auxiliary scale 2 can slide and can be vertical with first auxiliary scale 2 by second auxiliary scale 3 along the sliding slot 14
Fixed bolt, cutting ferrule are equipped with aperture corresponding with bolt, and bolt can be inserted into the aperture and sliding slot 14, by the first auxiliary scale
2 and second auxiliary scale 3 it is fixed.
Second auxiliary scale 3 is equipped with to be flexibly connected and in second auxiliary scale 3 by connector with second auxiliary scale 3
The first telescopic rod 4 and the second telescopic rod 5 of upper parallel sliding, first telescopic rod 4 and second telescopic rod 5 can be along perpendicular
For histogram to drawing high and shrinking, the bottom of first telescopic rod 4 and second telescopic rod 5 is respectively equipped with the first measuring jaw 6 and
Two measuring jaws 7, first measuring jaw 6 and second measuring jaw 7 are arc, are inserted into cylinder convenient for the first measuring jaw 6 and the second measuring jaw 7
It is close to inside internal portion and cylindrical body, keeps measurement accurate.
First auxiliary scale 2 is equipped with the third measuring jaw 8 being flexibly connected by connector with first auxiliary scale 2, third
Measuring jaw 8 moves in the vertical direction along the first auxiliary scale 2.
First auxiliary scale 2 is equipped with and is fixedly connected with first auxiliary scale 2 and the 4th measuring jaw 10 of camber, and described the
Four measuring jaws 10 are located at the connecting pin of first auxiliary scale 2 with the main scale 1, the 4th measuring jaw 10 be convenient for outside irregular cylinder
Fitting, measurement data are accurate.
The main scale 1 is equipped with to be flexibly connected and the 5th measuring jaw 11 of camber by connector with the main scale 1, described
5th measuring jaw 11 is fixedly connected with the display screen 12 for showing measurement data.
The main scale 1, first auxiliary scale 2 and 3 back side of the second auxiliary scale are respectively equipped with the first capacitor grid transducer, second
Capacitor grid transducer and third capacitor grid transducer, the first capacitor grid transducer, the second capacitor grid transducer and third capacitor grid transducer are convenient for
The all data of irregular cylinder is measured accurately and measuring speed is fast, easy to operate, first capacitor grid transducer includes
The first fixed grid positioned at the 1 blade back side of main scale and the first moving grid for being fixedly connected with the 5th measuring jaw 11, second capacitive grating
Sensor includes the second moving grid for being located at second fixed grid at the 2 blade back side of the first auxiliary scale and being fixedly connected with third measuring jaw 8,
The third capacitor grid transducer includes fixing company positioned at the third fixed grid at the 3 blade back side of the second auxiliary scale and with the second measuring jaw 7
The third moving grid connect, first capacitor grid transducer, the second capacitor grid transducer and third capacitor grid transducer connect with display screen 12
Connect, the display screen 12 with a thickness of 2 centimetres.
As shown in Fig. 2, by measured irregular cylinder, such as bullet is placed on the 4th amount in 1 left side of main scale when measurement
In pawl 10, the 5th measuring jaw 11 on the right side of main scale 1 is pushed, clamping can measure the outer diameter of irregular cylinder, then, adjustment the
Third measuring jaw 8 moving up and down in one auxiliary scale 2 is aligned with measured irregular cylinder top, can measure irregular
Then the height of cylindrical body turns bolt, cutting ferrule is allowed to slide in the vertical direction along the first auxiliary scale 2, to adjust the second auxiliary scale
3 height so that the height of the second auxiliary scale 3 reaches height required for measurement irregular cylinder internal diameter, then adjusts first and stretches
Contracting bar 4 so that the first measuring jaw 6 enters inside irregular cylinder, and is close to the cylindrical body inner wall, then adjust the second telescopic rod 5,
So that the second measuring jaw 7 also enters inside irregular cylinder, and it is close to the cylindrical body other side inner wall, subsequently, adjusts vernier 9
And clamping screw thereon is locked by clamping screw, can measure the internal diameter of irregular cylinder, finally, display screen
The measurement data of the first capacitor grid transducer, the second capacitor grid transducer and third capacitor grid transducer can be intuitively shown on 12,
When the irregular cylinder surveyed is shell case or bullet, calculated inside device according to the data of measurement, and show this
Irregular cylinder is which kind of shell case or bullet, it is also possible to connect display screen with computer by data line, carries out data
Transmission.
The configuration of the present invention is simple, at low cost, operation is easy to carry, only once-through operation is needed to measure, can measure and not advise simultaneously
The then multinomial data such as the length of cylindrical body, internal diameter, outer diameter, reduce number of operations, save time of measuring, and display screen is set
It sets, makes measurement data very clear, read simpler and not easy to make mistakes.
Claims (7)
1. a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: including main scale and the main scale one
The second pair holding the first auxiliary scale that is vertical and being fixedly connected, being connect with first auxiliary scale one end by bindiny mechanism's Vertical movements
Ruler, the bindiny mechanism include be fixedly connected with second auxiliary scale one end and can be slided in first auxiliary scale cutting ferrule,
Sliding slot in first auxiliary scale can slide and can be vertical with first auxiliary scale by second auxiliary scale along the sliding slot
Fixed bolt.
2. according to claim 1 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: described the
Two auxiliary scales be equipped with by connector be flexibly connected with second auxiliary scale and in second auxiliary scale parallel sliding first
Telescopic rod and the second telescopic rod, first telescopic rod and second telescopic rod can draw high and shrink along the vertical direction, institute
The bottom for stating the first telescopic rod and second telescopic rod is respectively equipped with the first measuring jaw and the second measuring jaw, first measuring jaw and institute
Stating the second measuring jaw is arc.
3. according to claim 2 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: described the
Two auxiliary scales are equipped with can be along the vernier of the second auxiliary scale parallel sliding.
4. according to claim 1 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: described the
One auxiliary scale is equipped with the third measuring jaw being flexibly connected by connector with first auxiliary scale.
5. according to claim 1 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: described the
One auxiliary scale is equipped with and is fixedly connected with first auxiliary scale and the 4th measuring jaw of camber, and the 4th measuring jaw is located at described first
The connecting pin of auxiliary scale and the main scale.
6. according to claim 1 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: the master
Ruler is equipped with to be flexibly connected and the 5th measuring jaw of camber by connector with the main scale, the 5th measuring jaw be used to show
The display screen of measurement data is fixedly connected.
7. according to claim 1 for measuring the electronic surveying slide calliper rule of irregular cylinder, it is characterised in that: the master
Ruler, first auxiliary scale and second auxiliary scale back side are respectively equipped with first sensor, second sensor and 3rd sensor, institute
Stating first sensor includes the first capacitive grating for being located at first fixed grid at the main scale blade back side and being fixedly connected with the 5th measuring jaw,
The second sensor include positioned at the first auxiliary scale blade back side the second fixed grid and be fixedly connected with third measuring jaw the
Two capacitive gratings, the 3rd sensor include fixing company positioned at the third fixed grid at the second auxiliary scale blade back side and with the second measuring jaw
The third capacitive grating connect, the first sensor, second sensor and 3rd sensor are connect with display screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910219090.6A CN110296642B (en) | 2019-03-21 | 2019-03-21 | Electronic measuring caliper for measuring irregular cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910219090.6A CN110296642B (en) | 2019-03-21 | 2019-03-21 | Electronic measuring caliper for measuring irregular cylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110296642A true CN110296642A (en) | 2019-10-01 |
CN110296642B CN110296642B (en) | 2024-07-23 |
Family
ID=68026439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910219090.6A Active CN110296642B (en) | 2019-03-21 | 2019-03-21 | Electronic measuring caliper for measuring irregular cylinder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110296642B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112414260A (en) * | 2020-12-01 | 2021-02-26 | 中国航发沈阳发动机研究所 | Aeroengine diffuser radial distance measuring tool |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980079104A (en) * | 1997-04-30 | 1998-11-25 | 양재신 | Vernier Caliper |
CN2343572Y (en) * | 1998-08-20 | 1999-10-13 | 陈其良 | Capacitance gate type digital display sliding calliper |
CN2585625Y (en) * | 2002-12-31 | 2003-11-12 | 青岛市市立医院 | Calliper gauge |
CN204286301U (en) * | 2014-10-24 | 2015-04-22 | 中国石油天然气集团公司 | Box cupling physical dimension integrated measurer |
CN208124995U (en) * | 2018-05-07 | 2018-11-20 | 江西服装学院 | A kind of clothes teaching aid measuring scale |
CN109029325A (en) * | 2018-09-07 | 2018-12-18 | 天津工大航泰复合材料有限公司 | A kind of exploration type abnormal shape stereo fabric tool for measuring thickness and method |
CN209371914U (en) * | 2019-03-21 | 2019-09-10 | 林湫扬 | It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder |
-
2019
- 2019-03-21 CN CN201910219090.6A patent/CN110296642B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980079104A (en) * | 1997-04-30 | 1998-11-25 | 양재신 | Vernier Caliper |
CN2343572Y (en) * | 1998-08-20 | 1999-10-13 | 陈其良 | Capacitance gate type digital display sliding calliper |
CN2585625Y (en) * | 2002-12-31 | 2003-11-12 | 青岛市市立医院 | Calliper gauge |
CN204286301U (en) * | 2014-10-24 | 2015-04-22 | 中国石油天然气集团公司 | Box cupling physical dimension integrated measurer |
CN208124995U (en) * | 2018-05-07 | 2018-11-20 | 江西服装学院 | A kind of clothes teaching aid measuring scale |
CN109029325A (en) * | 2018-09-07 | 2018-12-18 | 天津工大航泰复合材料有限公司 | A kind of exploration type abnormal shape stereo fabric tool for measuring thickness and method |
CN209371914U (en) * | 2019-03-21 | 2019-09-10 | 林湫扬 | It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112414260A (en) * | 2020-12-01 | 2021-02-26 | 中国航发沈阳发动机研究所 | Aeroengine diffuser radial distance measuring tool |
Also Published As
Publication number | Publication date |
---|---|
CN110296642B (en) | 2024-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209371914U (en) | It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder | |
CN103245274A (en) | Gas cylinder bottleneck inner diameter measuring implement | |
CN110296642A (en) | It is a kind of for measuring the electronic surveying slide calliper rule of irregular cylinder | |
CN102778193A (en) | Detection tool with function of automatic centering of workpiece center line | |
CN201589587U (en) | Intersecting auxiliary measuring implement | |
CN203216420U (en) | Novel horizontal metroscope | |
CN102809342B (en) | Aligning mechanism for arc radius measuring device | |
CN205388449U (en) | Measurement device for displacement of monitoring coal mine tunnel coal group | |
CN203241000U (en) | Bottle mouth inner diameter measuring device of gas bottle | |
CN208398761U (en) | A kind of bend pipe dimensional gaughing jig | |
CN214223920U (en) | Sliding type three-way expansion indicator | |
CN204788107U (en) | Slide caliper reading amplification device | |
CN209512682U (en) | A kind of gauge convenient for detecting diameter | |
CN208833133U (en) | A kind of precision gear processing detection device | |
CN209116940U (en) | Inside diameter gauge | |
CN208075701U (en) | A kind of Machine Design multifunction measuring set | |
CN207147380U (en) | Oil pumping machine crank scissors difference measuring device | |
CN209101934U (en) | A kind of measurement digital display plastics slide calliper rule | |
CN207300081U (en) | A kind of angle slide calliper rule | |
CN207036035U (en) | A kind of symmetry degree gauge | |
CN109141187A (en) | small aperture measuring tool | |
CN212843344U (en) | Assembly gap detection tool | |
CN207423111U (en) | A kind of body of a motor car electronic surveying ruler | |
CN207036019U (en) | Cylinder gap measuring device on a kind of fast-type body-building apparatus | |
CN207832154U (en) | A kind of sprocket wheel distance over bar cubing |
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 |