CN106352771A - Oval inner diameter measuring device - Google Patents
Oval inner diameter measuring device Download PDFInfo
- Publication number
- CN106352771A CN106352771A CN201610855779.4A CN201610855779A CN106352771A CN 106352771 A CN106352771 A CN 106352771A CN 201610855779 A CN201610855779 A CN 201610855779A CN 106352771 A CN106352771 A CN 106352771A
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- Prior art keywords
- cylindrical section
- section
- inner diameter
- measuring device
- handle
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an oval inner diameter measuring device, relates to a measuring instrument, and solves the problem that diameter of a necking part at the front end of an oval cannot be measured to determine whether the diameter is qualified or not in the existing pipe part provided with a special inner hole. A measuring rod comprises a circular truncated segment, a first cylindrical segment, a second cylindrical segment, a third cylindrical segment and a first handle which are fixedly connected to one another in a coaxial manner in turn; a measuring barrel comprises a first barrel segment, a second barrel segment, a third barrel segment, a fourth barrel segment and a second handle which are fixedly connected with one another in a coaxial manner in turn; the measuring rod is mounted in the measuring barrel in a penetrating manner, two clamping jaws are symmetrically mounted in through holes in a penetrating manner, and oppositely arranged ends of the two clamping jaws are both in contact with an external circular surface of the circular truncated segment, one end of a spring sheet is located in a blind hole, the other end of the spring sheet is fixedly connected with the second barrel segment through a first bolt, a positioning sleeve is in close contact with an end face of the third barrel segment through a positioning nut, a visible window is formed in a side wall of the second handle, a first scribed line and a second scribed line are formed, along a radial direction of the second handle, in an edge of the visible window, and a third scribed line is formed on the third cylindrical segment. The oval inner diameter measuring device disclosed by the invention is used for measuring the inner diameter.
Description
Technical field
The present invention relates to a kind of survey tool is and in particular to a kind of avette inner diameter measuring device.
Background technology
In mechanical industry, one end is straight hole, and the irregularly-shaped inner hole pipe part that the other end is avette application (as shown in Figure 3) is wide
General.Such part requires relatively tight, due to avette for closing-in structure, the general amount of this diameter to diameter dimension at the closing in of avette front end
Tool cannot measure.Now need a kind of special avette inner diameter measuring device of design, just can directly judge that part is avette by measurement
At closing in, whether processing diameter is qualified.
Content of the invention
The present invention is to be to solve to measure diameter at the closing in of avette front end in existing irregularly-shaped inner hole pipe part
No qualified problem, and then provide a kind of avette inner diameter measuring device.
The present invention be the technical scheme is that by solving above-mentioned technical problem
A kind of avette inner diameter measuring device, including measurement bar, measuring cylinder, positioning sleeve, location nut, spring leaf and a pair of card
Pawl, described measurement bar includes sequentially coaxially affixed round platform section, the first to the 3rd cylindrical section and first handle, the big end of round platform section
Affixed with one end of the first cylindrical section, described measuring cylinder includes first to fourth sequentially coaxially affixed cylindrical section and second-hand
Handle, measurement bar is installed in measuring cylinder, and the radial direction of the first cylindrical section offers through hole, and two claws are symmetrically installed on and pass through
In through hole, and one end that two claws are oppositely arranged all is contacted with the periphery of round platform section, and the side wall of each claw all opens up
There are radial blind holes, one end of spring leaf is located in blind hole, and the other end is affixed with the second cylindrical section by the first screw, positioning sleeve set
It is contained on the 4th cylindrical section, and be in close contact by the end face of location nut and the 3rd cylindrical section, on the side wall of second handle
Offer visual windows, the edge of visual windows is provided with the first groove and the second groove along the radial direction of second handle,
The position that three cylindrical sections are located at second handle visual windows is provided with the 3rd groove.
On first cylindrical section, the central axis of through hole is to the distance between the end face of the 3rd cylindrical section and measured bore
At diameter, to tested part straight hole, the distance between end face is identical.
The periphery of the 3rd cylindrical section is coordinated with the inner headed face gap of tested part, and on the 3rd cylindrical section, it is along central axis
Symmetrical a part of periphery is processed as plane.
The diameter of the second cylindrical section is less than the first cylindrical section and the 3rd cylindrical section, the second cylinder outside the second cylindrical section
It is provided with the second screw, one end of the second screw is contacted with the periphery of the second cylindrical section in section.
Each claw includes the 4th cylindrical section and the conical section being fixed in the 4th cylindrical section one end, the 4th cylindrical section another
Angle between end face and round platform section central axis is equal with the angle between round platform section central axis with the bus of round platform section.
Angle between the other end of the 4th cylindrical section and round platform section central axis is 5 °, and the taper of conical section is
120°.
A kind of avette inner diameter measuring device also includes the 3rd screw, and location nut is threadeded with the 4th cylindrical section, and the 3rd
Screw is threadeded along location nut radial direction with location nut, and one end of the 3rd screw is closely connect with the 4th cylindrical section
Touch.
The central axis of described through hole is intersected with the central axis of the first cylindrical section.
The present invention compared with prior art has the effect that
First groove is measured diameter theoretical minimum value, and the second groove is measured diameter theoretical maximum, when the 3rd groove
When in the middle of the first groove and the second groove, represent that at the avette front end closing in of irregularly-shaped inner hole pipe part, diameter is in qualified model
In enclosing, the avette inner diameter measuring device of the present invention using simple, measurement efficiency is high, low to reviewer's skill set requirements, save into
This, be suitable to large-scale promotion and application.
Brief description
Fig. 1 is the schematic front view (partial cutaway) of avette inner diameter measuring device；
Fig. 2 is the schematic top plan view of Fig. 1；
Fig. 3 is measurement part schematic diagram (section view) of the present invention；
Fig. 4 is the main cross-sectional schematic diagram of measuring cylinder；
Fig. 5 is the schematic top plan view of Fig. 4；
Fig. 6 is the main cross-sectional schematic diagram of positioning sleeve；
Fig. 7 is the left view schematic diagram of Fig. 6；
Fig. 8 is the main cross-sectional schematic diagram of location nut；
Fig. 9 is the schematic front view of spring leaf；
Figure 10 is the schematic top plan view of Fig. 9；
Figure 11 is the partial enlarged drawing at visual windows.
Specific embodiment
Specific embodiment one: with reference to Fig. 1～Fig. 8, present embodiment is described, a kind of avette internal diameter of present embodiment is surveyed
Amount device, including measurement bar 1, measuring cylinder 2, positioning sleeve 3, location nut 4, spring leaf 5 and a pair of claw 6, described measurement bar 1 is wrapped
Include sequentially coaxially affixed round platform section 1-1, the first to the 3rd cylindrical section and first handle 1-5, the big end and first of round platform section 1-1
One end of cylindrical section 1-2 is affixed, and described measuring cylinder 2 includes first to fourth sequentially coaxially affixed cylindrical section and second handle 2-
5, measurement bar 1 is installed in measuring cylinder 2, and the radial direction of the first cylindrical section 2-1 offers through hole 2-6, and two claws 6 are symmetrical
It is installed in through hole 2-6, and one end that two claws 6 are oppositely arranged all is contacted with the periphery of round platform section 1-1, each claw
Radial blind holes 2-7 are all offered on 6 side wall, one end of spring leaf 5 is located in blind hole 2-7, the other end pass through the first screw 7 with
Second cylindrical section 2-2 is affixed, and positioning sleeve 3 is sleeved on the 4th cylindrical section 2-4, and passes through location nut 4 and the 3rd cylindrical section 2-3
End face be in close contact, the side wall of second handle 2-5 offers visual windows 2-8, the edge of visual windows 2-8 is along second
The radial direction of handle 2-5 is provided with the first groove 2-5-1 and the second groove 2-5-2, and the 3rd cylindrical section 1-4 is located at second handle
The position of 2-5 visual windows 2-8 is provided with the 3rd groove 1-4-1.
Coordinate for gap between measurement bar 1 and measuring cylinder 2, a pair of claw 6 can as needed, using pushing away of measurement bar 1
Action is freely moved with the radial direction along measurement bar 1, makes it when being moved radially using spring leaf 5 stationary jaw 6
Periphery without departing from round platform section 1-1.
The position that the position of the first groove 2-5-1 is located for measured diameter theoretical minimum value, the position of the second groove 2-5-2
The position being located for measured diameter theoretical maximum, during measurement, the 3rd groove 1-4-1 is located at the first groove 2-5-1 and the second groove
Represent tested avette internal diameter between 2-5-2 to meet the requirements, tested part 100 is certified products.
The quantity of the first screw 7 does not limit, and can be alternatively multiple, the central axis of through hole 2-6 and first spiral shell
In the central axis of nail 7 is generally aligned in the same plane.
Spring leaf 5 includes the first flat board being parallel to each other and the second flat board, and flat for connection the first flat board and second
The swash plate of plate.First screw 7 can be m4 slotted screw, and the second screw can be permissible for m5 fluting holding screw, the 3rd screw
For m6 fluting holding screw.
The line width of the first to the 3rd groove 1-4-1 and depth are 0.1mm.
Specific embodiment two: present embodiment, through hole 2-6 on the first cylindrical section 2-1 are described with reference to Fig. 1～Fig. 5
The 100-1 to the distance between end face and the measured bore diameter of the 3rd cylindrical section 2-3 is straight to tested part 100 for central axis
At hole, the distance between end face 100-2 is identical.It is so designed that, can be quick when carrying out diameter measurement to the closing in of avette front end
Centering measurement position, as long as the measurement apparatus assembling are penetrated in tested part 100, make positioning plate washer and tested zero
At part 100 straight hole, end face 100-2 is in close contact, and the position that now claw 6 is contacted with tested part 100 is the quilt of required measurement
Survey diameter of bore, the measurement to tested part 100 is quick and convenient.Other compositions and annexation and specific embodiment one phase
With.
Specific embodiment three: present embodiment, the periphery of the 3rd cylindrical section 2-3 and tested part are described with reference to Fig. 3
100 inner headed face gap cooperation, on the 3rd cylindrical section 2-3, it is processed as plane along the symmetrical a part of periphery of central axis.
It is so designed that, reduce the friction between the 3rd cylindrical section 2-3 and tested part 100.Other compositions and annexation with specifically real
Apply mode one or two identical.
Specific embodiment four: with reference to Fig. 1 and Fig. 3, present embodiment is described, the diameter of the second cylindrical section 1-3 is less than first
Cylindrical section 1-2 and the 3rd cylindrical section 1-4, the second cylindrical section 2-2 outside the second cylindrical section 1-3 is provided with the second screw 9,
One end of second screw 9 is contacted with the periphery of the second cylindrical section 1-3.It is so designed that, the first cylindrical section 1-2 and the 3rd cylindrical section
1-4 and measuring cylinder 2 are gap cooperation, and the required precision of its mating surface is higher, and the 4th cylindrical section 6-1 is not direct with measuring cylinder 2
Contact, realizes moving radially scope, the central axis of the second screw 9 to measurement bar 1 in measuring cylinder 2 by the second screw 9
In being generally aligned in the same plane with the central axis of through hole 2-6 and the first screw 7.Other compositions and annexation and specific embodiment party
Formula three is identical.
Specific embodiment five: with reference to Fig. 1 and Fig. 3, present embodiment is described, each claw 6 includes the 4th cylindrical section 6-1
And it is fixed in conical section 6-2, the other end of the 4th cylindrical section 6-1 and the round platform section 1-1 central shaft of the 4th cylindrical section 6-1 one end
Angle between line is equal with the angle between round platform section 1-1 central axis with the bus of round platform section 1-1.It is so designed that, right
When measurement apparatus carry out tested theoretical maximum groove and tested theoretical minimum value groove, be free to adjust the position of claw 6
Put and keep the close contact between claw 6 and round platform section 1-1 simultaneously.Other compositions and annexation and specific embodiment
First, two or four is identical.
Specific embodiment six: present embodiment, the other end of the 4th cylindrical section 6-1 and circle are described with reference to Fig. 1 and Fig. 3
Angle between platform section 1-1 central axis is 5 °, and the taper of conical section 6-2 is 120 °.Other compositions and annexation with concrete
Embodiment five is identical.
Specific embodiment seven: with reference to Fig. 1～Fig. 3, present embodiment is described, a kind of avette inner diameter measuring device also includes
3rd screw 10, location nut 4 is threadeded with the 4th cylindrical section 2-4, and the 3rd screw 10 along location nut 4 radial direction and is determined
Position nut 4 is threaded, and one end of the 3rd screw 10 is in close contact with the 4th cylindrical section 2-4.It is so designed that, by the 3rd spiral shell
Nail 10 realizes to the fixing further of positioning sleeve 3 accuracy, the 3rd screw 10 and through hole 2-6, the first screw it is ensured that measuring
7 and second screw 9 central axis be generally aligned in the same plane in.Other compositions and annexation and specific embodiment one, two, four
Or six is identical.
Specific embodiment eight: with reference to Fig. 1, Fig. 3～Fig. 5 explanation present embodiment, the central axis of described through hole 2-6
Intersect with the central axis of the first cylindrical section 2-1.Other compositions are identical with specific embodiment seven with annexation.
Operation principle:
First measurement bar 1 is installed in measuring cylinder 2, a pair of claw 6 is respectively charged into the through hole 2- of round platform section 1-1 both sides
In 6 and fixing by spring leaf 5, then outside micrometer is transferred to measured diameter theoretical minimum value position, traverse measurement bar 1
It is made to promote claw 6 to move radially, when the cone point of two claws 6 holds out against two measuring surface of outside micrometer, in measuring cylinder 2
Above draw the first groove 2-5-1, then the 3rd groove 1-4-1 is drawn in concordant with the first groove 2-5-1 position in measurement bar 1, will
The position of measured diameter theoretical maximum is transferred to by outside micrometer, draws the second groove 2-5- with same method in measuring cylinder 2
2.
During measurement, avette inner diameter measuring device is installed in tested part 100 endoporus, positioning sleeve 3 is close to tested zero
End face 100-2, the now center of through hole 2-6 first cylindrical section 2-1 on fixing by location nut 4 at part 100 straight hole
Axis is the position of tested bore dia with measured bore intersection, promotes measurement bar 1, so that claw 6 is radially moved along measurement bar 1
Dynamic, when two claws 6 conical surface summit is withstood at measured bore, observe the position of the 3rd groove 1-4-1 in measurement bar 1,
As qualified between the first groove 2-5-1 in measuring cylinder 2 and the second groove 2-5-2.
Claims (8)
1. a kind of avette inner diameter measuring device it is characterised in that: include measurement bar (1), measuring cylinder (2), positioning sleeve (3), positioning
Nut (4), spring leaf (5) and a pair of claw (6), described measurement bar (1) include sequentially coaxially affixed round platform section (1-1), the
One to the 3rd cylindrical section and first handle (1-5), the big end of round platform section (1-1) is affixed with one end of the first cylindrical section (1-2), institute
State measuring cylinder (2) and include first to fourth sequentially coaxially affixed cylindrical section and second handle (2-5), measurement bar (1) is installed on
In measuring cylinder (2), the radial direction of the first cylindrical section (2-1) offers through hole (2-6), and two claws (6) are symmetrically installed on
In through hole (2-6), and one end that two claws (6) are oppositely arranged all is contacted with the periphery of round platform section (1-1), each claw
(6) radial blind holes (2-7) are all offered on side wall, one end of spring leaf (5) is located in blind hole (2-7), the other end passes through the
One screw (7) is affixed with the second cylindrical section (2-2), and positioning sleeve (3) is sleeved on the 4th cylindrical section (2-4), and by positioning spiral shell
Female (4) are in close contact with the end face of the 3rd cylindrical section (2-3), and the side wall of second handle (2-5) offers visual windows (2-
8), the edge of visual windows (2-8) is provided with the first groove (2-5-1) and the second quarter along the radial direction of second handle (2-5)
Line (2-5-2), the position that the 3rd cylindrical section (1-4) is located at second handle (2-5) visual windows (2-8) is provided with the 3rd groove
(1-4-1).
2. a kind of avette inner diameter measuring device according to claim 1 it is characterised in that: pass through on the first cylindrical section (2-1)
The central axis of through hole (2-6) is to the distance between end face and the measured bore diameter of the 3rd cylindrical section (2-3) (100-1)
To tested part (100) straight hole, the distance between end face (100-2) is identical.
3. a kind of avette inner diameter measuring device according to claim 1 and 2 it is characterised in that: the 3rd cylindrical section (2-3)
The inner headed face gap cooperation of periphery and tested part (100), the 3rd cylindrical section (2-3) upper its along symmetrical one of central axis
Exceptionally disc is processed as plane.
4. a kind of avette inner diameter measuring device according to claim 3 it is characterised in that: the second cylindrical section (1-3) straight
Footpath is less than the first cylindrical section (1-2) and the 3rd cylindrical section (1-4), positioned at the second cylindrical section (1-3) the second cylindrical section (2-2) outward
On be provided with the second screw (9), one end of the second screw (9) is contacted with the periphery of the second cylindrical section (1-3).
5. a kind of avette inner diameter measuring device according to claim 1,2 or 4 it is characterised in that: each claw (6) include
4th cylindrical section (6-1) and the conical section (6-2) being fixed in the 4th cylindrical section (6-1) one end, the 4th cylindrical section (6-1) another
Angle between end face and round platform section (1-1) central axis, bus and round platform section (1-1) central axis with round platform section (1-1)
Between angle equal.
6. a kind of avette inner diameter measuring device according to claim 5 it is characterised in that: the 4th cylindrical section (6-1) another
Angle between end face and round platform section (1-1) central axis is 5 °, and the taper of conical section (6-2) is 120 °.
7. a kind of avette inner diameter measuring device according to claim 1,2,4 or 6 it is characterised in that: a kind of avette internal diameter
Measurement apparatus also include the 3rd screw (10), and location nut (4) is threadeded with the 4th cylindrical section (2-4), the 3rd screw (10)
Threaded along location nut (4) radial direction with location nut (4), and one end of the 3rd screw (10) and the 4th cylindrical section
(2-4) it is in close contact.
8. a kind of avette inner diameter measuring device according to claim 7 it is characterised in that: in described through hole (2-6)
Heart axis is intersected with the central axis of the first cylindrical section (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855779.4A CN106352771B (en) | 2016-09-28 | 2016-09-28 | A kind of oval inner diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855779.4A CN106352771B (en) | 2016-09-28 | 2016-09-28 | A kind of oval inner diameter measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352771A true CN106352771A (en) | 2017-01-25 |
| CN106352771B CN106352771B (en) | 2019-03-08 |
Family
ID=57865428
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855779.4A Active CN106352771B (en) | 2016-09-28 | 2016-09-28 | A kind of oval inner diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352771B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759605A (en) * | 2018-05-16 | 2018-11-06 | 中车眉山车辆有限公司 | A kind of slotted hole and elliptical aperture look for the device and method of geometric center |
| CN109813201A (en) * | 2019-01-28 | 2019-05-28 | 苏州群圣欣机械设备有限公司 | It is a kind of for detecting the detection device of part internal diameter |
| CN110906894A (en) * | 2020-02-05 | 2020-03-24 | 南京泰普森自动化设备有限公司 | Detection device for pore structure |
| CN112161549A (en) * | 2020-09-24 | 2021-01-01 | 上海市浦东新区建设(集团)有限公司 | Bar planting hole size measuring instrument |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898320A (en) * | 2010-01-04 | 2010-12-01 | 沈机集团昆明机床股份有限公司 | Precision measurement of tapered bore of machine tool spindle |
| CN102853739A (en) * | 2012-08-15 | 2013-01-02 | 厦门天机自动化有限公司 | Measuring tool for measuring large end diameter of conical hole |
| CN203216429U (en) * | 2013-04-26 | 2013-09-25 | 天津立林螺杆机械有限公司 | Ultra deep hole diameter measuring instrument |
| JP2014035237A (en) * | 2012-08-08 | 2014-02-24 | Marukiya Seisakusho:Kk | Diameter measuring apparatus for tapered hole ends |
| CN204555892U (en) * | 2015-03-13 | 2015-08-12 | 成都大漠石油机械有限公司 | A kind of internal diameter of the pipeline measurement mechanism |
| CN104864798A (en) * | 2014-02-25 | 2015-08-26 | 哈尔滨建成集团有限公司 | Device for measuring depth of long and thin blind hole part |
| CN205426044U (en) * | 2016-02-02 | 2016-08-03 | 南京信息职业技术学院 | Deep hole inside diameter measurement device |
| CN206056458U (en) * | 2016-09-28 | 2017-03-29 | 哈尔滨建成集团有限公司 | A kind of avette inner diameter measuring device |
-
2016
- 2016-09-28 CN CN201610855779.4A patent/CN106352771B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898320A (en) * | 2010-01-04 | 2010-12-01 | 沈机集团昆明机床股份有限公司 | Precision measurement of tapered bore of machine tool spindle |
| JP2014035237A (en) * | 2012-08-08 | 2014-02-24 | Marukiya Seisakusho:Kk | Diameter measuring apparatus for tapered hole ends |
| CN102853739A (en) * | 2012-08-15 | 2013-01-02 | 厦门天机自动化有限公司 | Measuring tool for measuring large end diameter of conical hole |
| CN203216429U (en) * | 2013-04-26 | 2013-09-25 | 天津立林螺杆机械有限公司 | Ultra deep hole diameter measuring instrument |
| CN104864798A (en) * | 2014-02-25 | 2015-08-26 | 哈尔滨建成集团有限公司 | Device for measuring depth of long and thin blind hole part |
| CN204555892U (en) * | 2015-03-13 | 2015-08-12 | 成都大漠石油机械有限公司 | A kind of internal diameter of the pipeline measurement mechanism |
| CN205426044U (en) * | 2016-02-02 | 2016-08-03 | 南京信息职业技术学院 | Deep hole inside diameter measurement device |
| CN206056458U (en) * | 2016-09-28 | 2017-03-29 | 哈尔滨建成集团有限公司 | A kind of avette inner diameter measuring device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759605A (en) * | 2018-05-16 | 2018-11-06 | 中车眉山车辆有限公司 | A kind of slotted hole and elliptical aperture look for the device and method of geometric center |
| CN108759605B (en) * | 2018-05-16 | 2023-06-13 | 中车眉山车辆有限公司 | Device and method for finding geometric centers of oblong holes and elliptical holes |
| CN109813201A (en) * | 2019-01-28 | 2019-05-28 | 苏州群圣欣机械设备有限公司 | It is a kind of for detecting the detection device of part internal diameter |
| CN110906894A (en) * | 2020-02-05 | 2020-03-24 | 南京泰普森自动化设备有限公司 | Detection device for pore structure |
| CN112161549A (en) * | 2020-09-24 | 2021-01-01 | 上海市浦东新区建设(集团)有限公司 | Bar planting hole size measuring instrument |
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| Publication number | Publication date |
|---|---|
| CN106352771B (en) | 2019-03-08 |
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