CN211696195U - Quick detection device of reinforcing bar interval - Google Patents
Quick detection device of reinforcing bar interval Download PDFInfo
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- CN211696195U CN211696195U CN202020402669.4U CN202020402669U CN211696195U CN 211696195 U CN211696195 U CN 211696195U CN 202020402669 U CN202020402669 U CN 202020402669U CN 211696195 U CN211696195 U CN 211696195U
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Abstract
The utility model provides a quick detection device of steel bar interval, including measuring tape and two at least fixtures, the measuring tape includes measuring tape main part and reinforcing bar deviation inspection strip, be provided with the first slotted hole that extends along length direction on the reinforcing bar deviation inspection strip, every fixture includes fixture main part and location portion, install two and measuring tape main part vertically benchmarks in the fixture main part, the fixture main part inserts the first slotted hole on the measuring tape and fixes a position on the measuring tape through location portion, form the block portion of the same reinforcing bar of block between two benchmarks of same fixture, two adjacent benchmarks on two adjacent fixtures form the measuring part of reinforcing bar interval. The utility model discloses an on fixture can go into the reinforcing bar through the sighting rod card, light location, and a plurality of fixtures can detect a plurality of reinforcing bar intervals simultaneously, only need test fixture can go into the reinforcing bar and can judge whether the interval accords with the standard after the device has been transferred, need not reading once more, and is swift simple and convenient, but one-man operation improves detection efficiency greatly, and sighting rod and fixture can freely adjust, and adaptability is wide.
Description
Technical Field
The utility model relates to a construction supervision technical field, concretely relates to quick detection device of reinforcing bar interval.
Background
The steel bar is one of important components in a concrete structure, plays an important role in the aspects of tensile property, compression property, earthquake resistance and impact resistance in the concrete member, influences the properties of the structure such as firmness, safety, durability and the like, and enhances the earthquake resistance of a building. The distribution of reinforcing bars in the concrete member has strict quality acceptance specifications, and the pouring quality and the safety of the member are influenced by the size of the interval between the reinforcing bars. When the existing steel bars are inspected before concrete pouring, the field supervision generally adopts the matching use of a straight ruler, a tape measure and the like to perform isometric steel bar acceptance, and the detection mode has the problems of double matching, repeated reading, inaccurate data, low efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's shortcoming, providing one kind can easily fix a position, swift simple and convenient, can detect a plurality of reinforcing bar intervals simultaneously, can freely adjust the reinforcing bar interval short-term test device in order to satisfy different reinforcing bar interval detection demands.
The utility model discloses a realize through following technical scheme:
a steel bar space rapid detection device comprises a measuring scale and at least two fixtures. The measuring tape comprises a measuring tape main body and a steel bar deviation checking strip, scales are marked on the edge of the front bottom of the measuring tape main body, the steel bar deviation checking strip is arranged at the top of the measuring tape main body and extends along the length direction of the measuring tape main body, and a first long slotted hole extending along the length direction is formed in the steel bar deviation checking strip. Each fixture comprises a fixture main body and a positioning part, the fixture main body is sheet-shaped, two marker posts perpendicular to the measuring tape main body are mounted on the fixture main body, and a clamping part for clamping the same steel bar is formed between the two marker posts of the same fixture; the positioning part is arranged at the top of the fixture main body, the fixture main body is inserted into the first elongated slot on the measuring tape and is positioned and fixed on the measuring tape through the positioning part, and the scale and the mark post on the fixture main body extend out of the lower end of the measuring tape main body; two adjacent benchmarks on two adjacent fixtures form the measuring part of the steel bar interval. Fixing the fixture on the measuring scale, and positioning through the scale marks on the measuring scale main body, wherein the plurality of fixtures can simultaneously measure the intervals among the plurality of steel bars; be provided with the sighting rod of block reinforcing bar on the fixture, set up fixed sighting rod in advance, but quick location also can detect the size of reinforcing bar simultaneously.
As one technical scheme, the positioning portion of the fixture and the steel bar deviation checking strip of the measuring tape have multiple mounting and fixing modes, and further, the steel bar deviation checking strip of the measuring tape is provided with a mounting groove with an upward opening and extending along the main body direction of the measuring tape, the first slotted hole is arranged in the mounting groove, the positioning portion of the fixture has a shape matched with the mounting groove, and the positioning portion of the fixture is arranged in the mounting groove, can slide along the mounting groove and is fixed through bolts or screws. The positioning part is clamped in the mounting groove and is not easy to displace.
Furthermore, a second long slotted hole is formed in the bottom or the side face of the mounting groove, and the positioning part of the clamp penetrates through the second long slotted hole through a bolt or a screw to be fixed in the mounting groove. Through the fixed mode of slotted hole, the interval between each fixture can freely set up according to the engineering reality, and the commonality is wide.
As another technical solution, further, the cross section of the reinforcing steel bar deviation checking strip of the measuring tape is rectangular, the first slotted hole is formed in the rectangular reinforcing steel bar deviation checking strip, a third slotted hole is simultaneously formed in the rectangular reinforcing steel bar deviation checking strip, and the positioning portion of the fixture is attached to the upper surface of the rectangular reinforcing steel bar deviation checking strip and fixed to the reinforcing steel bar deviation checking strip by passing through the third slotted hole through a bolt or a screw. The scheme has a simple structure, the clamps slide in the slotted holes, and the space between the clamps can be realized according to the actual engineering.
As another technical solution, further, a plurality of calibration holes are formed in the measuring tape main body, the plurality of calibration holes correspond to different scale values, positioning holes corresponding to the calibration holes are formed in the fixture main body, and the positioning holes formed in the fixture main body after being inserted into the first slotted hole correspond to the calibration holes and are fixed by bolts penetrating through the calibration holes and the positioning holes. The technical scheme is suitable for measuring the steel bar structure manufactured according to the engineering standard, the calibration holes with the standard spacing are preset on the measuring scale, as long as the positioning holes are overlapped and fixed with the calibration holes, the spacing between the fixtures is the standard value, the measurement is carried out by taking the standard spacing as the standard, the method is quick and simple, and the process of positioning by using the scales on the measuring scale is reduced.
Further preferably, one side surface of the first long slot hole and the back surface of the measuring tape main body are located on the same vertical surface, and the other side surface is located on the side far away from the front surface of the measuring tape main body. Therefore, the front surface of the clamping device is tightly attached to the back surface of the measuring tape main body, and the clamping device is convenient to position scales on the measuring tape main body.
Preferably, the fixture main body is provided with a fourth slotted hole parallel to the measuring tape main body, and the two marker posts penetrate through the fourth slotted hole through bolts and are fixed on the fixture main body. The distance between two marker posts can be freely adjusted according to the size of an actual reinforcing steel bar, and the marker posts are fixed through the long slotted holes after being adjusted.
Preferably, the edge of the bottom of the front face of the fixture main body is also marked with scales, a zero scale line of the scales is centered, and the two marker posts are bilaterally symmetrical by taking the zero scale line as a center line. The zero scale mark on the clamp main body is over against the center of the steel bar, and the two marker posts are respectively clamped into the left side and the right side of the steel bar.
Further preferably, the zero scale line on the scale line of the measuring tape main body is centered. The corresponding reinforcing steel bars under the zero scale marks can be used as initial measuring points to respectively detect whether the space between the reinforcing steel bars on the left side and the right side meets the requirements.
Further preferably, a handle is arranged on the steel bar deviation inspection strip of the measuring tape.
The utility model discloses a reinforcing bar interval short-term test device's application method does: firstly, inserting a fixture into a first elongated slot on a measuring tape, and sliding the fixture until the center line of a fixture main body is opposite to the center line of the measuring tape main body and then fixing the fixture; then taking the central line of the measuring scale main body as a central line, respectively inserting other fixtures into the first elongated slots on the measuring scale, and sliding the fixtures until the central line of the fixture main body is over against and fixed to corresponding scale marks on the measuring scale main body according to the steel bar spacing requirements required by drawing design and specification; then, according to the nominal diameter of the steel bar to be detected and the allowable deviation value of the combination standard, the distance between the two mark poles on each clamping device is adjusted by taking the central scale mark of the clamping device as the central line, so that the steel bar to be detected can be just clamped into the two mark poles and fixed; during measurement, the fixture corresponding to the central scale mark of the measuring tape main body is aligned with the initial steel bar to be detected and clamped into the initial steel bar, if the steel bars on the left side and the right side of the initial steel bar can be accurately clamped into the marker posts corresponding to the fixtures on the left side and the right side, the space can be judged to meet the requirement, the space between the steel bars can be judged to be too large or too small according to the deviation value, and whether the size specification of the steel bars meets the requirement or not can be judged.
The fixture on the utility model can be clamped into the steel bar through the marker post, can be easily positioned, can be provided with a plurality of fixtures, and can detect the space between a plurality of steel bars, and can judge whether the space meets the standard or not only by checking whether the fixture can be clamped into the steel bar after the device is adjusted, and does not need to read again, thereby being fast and simple and greatly improving the detection efficiency; the distance between the mark poles on the fixture can be adjusted according to the size of the steel bar, so that the fixture is suitable for various engineering practices, and the fixture can also detect the size of the steel bar; the fixture can freely slide on the measuring tape to fix on the measuring tape through multiple mode, when the reinforcing bar interval is fixed and does not need freely adjusting, the fixed mode of optional fixed orifices location, when the measurement demand of different reinforcing bar intervals is satisfied in needs, the interval between each fixture can be adjusted the location in a flexible way and fixed, and adaptability is wide. The utility model provides a reinforcing bar interval short-term test device has single but independent operation, conveniently carries, does not need reading many times just can the snap judgments detect the target reinforcing bar interval and whether accord with advantages such as relevant requirement, in house and municipal works, the design application of equidistant distribution reinforcing bar is extensive, the utility model discloses can show improvement on-the-spot reinforcing bar detection efficiency, promote project standardization, fine management, be fit for the construction and manage and use widely.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is an enlarged schematic view of the structure of embodiment 1 of the present invention.
Fig. 3 is a schematic side view of embodiment 1 of the present invention.
Fig. 4 is an exploded view of the structure of fig. 3.
Fig. 5 is a schematic back structure diagram of embodiment 1 of the present invention.
Fig. 6 is a schematic top view of embodiment 1 of the present invention.
Fig. 7 is a schematic front view of the embodiment 1 of the present invention.
Fig. 8 is an enlarged view of the structure at a in fig. 7.
Fig. 9 is a schematic structural view of embodiment 2 of the present invention.
Fig. 10 is an enlarged schematic view of the structure of embodiment 2 of the present invention.
Fig. 11 is a schematic side view of embodiment 2 of the present invention.
Fig. 12 is an exploded view of the structure of fig. 11.
Fig. 13 is a schematic structural view of embodiment 3 of the present invention.
Fig. 14 is a front view of the measuring tape according to embodiment 3 of the present invention.
Fig. 15 is a front view of a fixture according to embodiment 3 of the present invention.
Fig. 16 is a schematic side view of embodiment 3 of the present invention.
Fig. 17 is an exploded view of the structure of fig. 16.
Reference numerals: 1-measuring a ruler; 2-a fixture; 3-a handle; 4-reinforcing steel bars; 5-fastening bolts; 6-butterfly bolts; 11-a measuring tape body; 111-calibration holes; 12-steel bar deviation checking strip; 121-a first elongated slot; 122-a mounting groove; 123-a second elongated slot; 124-third slotted hole; 21-a fixture body; 211-fourth slotted hole; 212-positioning holes; 22-a positioning section; 23-mark post.
Detailed Description
Example 1
A steel bar space rapid detection device is shown in figures 1 to 8 and comprises a measuring scale 1 and at least two fixtures 2. Measuring tape 1 includes measuring tape main part 11 and reinforcing bar deviation inspection strip 12, the positive bottom edge mark of measuring tape main part 11 has the scale, reinforcing bar deviation inspection strip 12 sets up measuring tape main part 11's top just extends along measuring tape main part 11 length direction, be provided with the first slotted hole 121 that extends along length direction on the reinforcing bar deviation inspection strip 12. One side surface of the first long slot hole 121 and the back surface of the measuring tape main body 11 are located on the same vertical surface, and the other side surface is located on the side far away from the front surface of the measuring tape main body 11. Each fixture 2 comprises a fixture main body 21 and a positioning part 22, the fixture main body 21 is sheet-shaped, two marker posts 23 perpendicular to the measuring tape main body 11 are mounted on the fixture main body 21, and a clamping part for clamping the same steel bar 4 is formed between the two marker posts 23 of the same fixture 2; the positioning part 22 is arranged at the top of the fixture main body 21, the fixture main body 21 is inserted into the first long slot hole 121 on the measuring tape 1 and is positioned and fixed on the measuring tape 1 through the positioning part 22, and the scales and the mark post 23 on the fixture main body 21 extend out of the lower end of the measuring tape main body 11; the front surface of the fixture 2 is tightly attached to the back surface of the measuring tape main body 11, so that the fixture 2 can conveniently align with the scales on the measuring tape main body 11 for positioning. Two adjacent marker posts 23 on two adjacent fixtures 2 form a measurement part of the steel bar interval. The fixture 2 is fixed on the measuring scale 1 and is positioned through the scale marks on the measuring scale main body 11, and the plurality of fixtures 2 can measure the space between the plurality of reinforcing steel bars 4 at the same time; be provided with the sighting rod 23 of block reinforcing bar 4 on fixture 2, set up fixed sighting rod 23 in advance, but quick location also can detect the size of reinforcing bar 4 simultaneously.
As one technical solution, as shown in fig. 2 to 6, there are a plurality of mounting and fixing manners between the positioning portion 22 of the fixture 2 and the steel bar deviation checking strip 12 of the measuring tape 1, an installation groove 122 with an upward opening extending along the direction of the measuring tape main body 11 is provided on the steel bar deviation checking strip 12 of the measuring tape 1, the first long slot 121 is provided in the installation groove 122, the positioning portion 22 of the fixture 2 has a shape adapted to the installation groove 122, and the positioning portion 22 of the fixture 2 is provided in the installation groove 122 and can slide along the installation groove 122. The positioning portion 22 is engaged with the mounting groove 122, and is not easily displaced.
The bottom or the side of the mounting groove 122 is provided with a second long slot 123, and the positioning part 22 of the fixture 2 is fixed in the mounting groove 122 by passing a fastening bolt 5 or a screw through the second long slot 123. Through the fixed mode of slotted hole, the interval between each fixture 2 can freely set up according to the engineering reality, and the commonality is wide.
As shown in fig. 8, the fixture main body 21 is provided with a fourth long slot hole 211 parallel to the measuring tape main body 11, and the two marker posts 23 are fixed on the fixture main body 21 by passing through the fourth long slot hole 211 through a butterfly bolt 6. The distance between the two marker posts 23 can be freely adjusted according to the size of the actual steel bar 4, and the marker posts are fixed through the long slotted holes after being adjusted.
As shown in fig. 7, the bottom edge of the front surface of the fixture main body 21 is also marked with scales, the zero scale line of the scales is centered, and the two marker posts 23 are bilaterally symmetrical with the zero scale line as a center line. As shown in fig. 8, the zero scale line on the fixture body 21 is aligned with the center of the steel bar 4, and the two marker posts 23 are respectively inserted into the left and right sides of the steel bar 4. Zero scale mark on the scale mark of measuring tape main part 11 is placed in the middle, can make under this zero scale mark corresponding reinforcing bar 4 be the initial measuring point, detects respectively whether the interval of left and right sides reinforcing bar 4 meets the requirements.
And a lifting handle 3 is arranged on the steel bar deviation checking strip 12 of the measuring scale 1. The handle 3 is wrapped with a rubber anti-skid material, so that the rubber anti-skid material is convenient to carry during field supervision and detection.
As fig. 7, fig. 8, the utility model discloses a steel bar interval short-term test device's application method is: firstly, inserting a clamp 2 into a first long slotted hole 121 on a measuring tape 1, and sliding the clamp 2 until the center line of a clamp main body 21 is dead against the center line of a measuring tape main body 11 and then fixing; then, taking the central line of the measuring tape main body 11 as the central line, respectively inserting other fixtures 2 into the first slotted holes 121 on the measuring tape 1, and sliding the fixtures 2 to the central line of the fixture main body 21 to be opposite to and fixed with corresponding scale marks on the measuring tape main body 11 according to the steel bar spacing requirements required by drawing design and specification; then, according to the nominal diameter of the steel bar 4 to be detected and the allowable deviation value of the combination standard, the central scale mark of the fixture 2 is taken as a central line, the distance between the two mark poles 23 on each fixture 2 is adjusted, so that the steel bar 4 to be detected can be just clamped into the two mark poles 23 and fixed; during the measurement, mention measuring tape 1, aim at the initial reinforcing bar 4 card that needs to detect with fixture 2 that 11 central graduation marks of measuring tape correspond and in initial reinforcing bar 4, reinforcing bar 4 of the initial reinforcing bar 4 left and right sides if can accurate card go into the sighting rod 23 that fixture 2 of the left and right sides corresponds, then can judge that the interval meets the requirements to can judge according to the deviation numerical value that the reinforcing bar interval is too big or undersize, and judge whether the dimensional specification of reinforcing bar 4 meets the requirements.
Example 2
The rest is the same as embodiment 1, except for the mounting structure of the fixture 2 and the measuring tape 1, as shown in fig. 9 to 12, in this embodiment, the section of the bar deviation checking strip 12 of the measuring tape 1 is rectangular, the first slotted hole 121 is disposed on the rectangular bar deviation checking strip 12, the rectangular bar deviation checking strip 12 is also provided with a third slotted hole 124, and the positioning portion 22 of the fixture 2 is attached to the upper surface of the rectangular bar deviation checking strip 12 and fixed on the bar deviation checking strip 12 through the third slotted hole 124 by a fastening bolt 5 or a screw. The scheme is simple in structure, the clamping devices 2 slide in the long slotted holes, and the distance between the clamping devices 2 can be also realized according to the actual engineering.
Example 3
The rest is the same as embodiment 1, except for the mounting structure of the fixture 2 and the measuring tape 1, as shown in fig. 13 to 17, in this embodiment, the measuring tape main body 11 is provided with a plurality of calibration holes 111, the plurality of calibration holes 111 correspond to different scale values, the fixture main body 21 is provided with positioning holes 212 corresponding to the calibration holes 111, and after the fixture main body 21 is inserted into the first slotted hole 121, the positioning holes 212 on the fixture main body correspond to the calibration holes 111, and are connected and fixed by the butterfly bolts 6 penetrating through the calibration holes 111 and the positioning holes 212. The scheme is suitable for measuring the structure of the steel bar 4 manufactured according to engineering standards, the calibration holes 111 with standard intervals are preset on the measuring scale 1, as long as the positioning holes 212 are overlapped and fixed with the calibration holes 111, the distance between the fixtures 2 is a standard value, the measurement is carried out by taking the standard value as the standard, the method is quick and simple, and the process of positioning by using scales on the measuring scale 1 is reduced.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (10)
1. A steel bar space rapid detection device is characterized by comprising a measuring scale and at least two clamps; the measuring scale comprises a measuring scale main body and a steel bar deviation checking strip, scales are marked on the edge of the bottom of the front face of the measuring scale main body, the steel bar deviation checking strip is arranged at the top of the measuring scale main body and extends along the length direction of the measuring scale main body, and a first long slotted hole extending along the length direction is formed in the steel bar deviation checking strip; each fixture comprises a fixture main body and a positioning part, the fixture main body is sheet-shaped, two marker posts perpendicular to the measuring tape main body are mounted on the fixture main body, and a clamping part for clamping the same steel bar is formed between the two marker posts of the same fixture; the positioning part is arranged at the top of the fixture main body, the fixture main body is inserted into the first elongated slot on the measuring tape and is positioned and fixed on the measuring tape through the positioning part, and the scales and the mark posts on the fixture main body extend out of the lower end of the measuring tape main body; two adjacent benchmarks on two adjacent fixtures form the measuring part of the steel bar interval.
2. The device for rapidly detecting the distance between the reinforcing steel bars as claimed in claim 1, wherein the reinforcing steel bar deviation checking strip of the measuring tape is provided with an installation groove with an upward opening extending along the direction of the main body of the measuring tape, the first slotted hole is arranged in the installation groove, the positioning part of the fixture has a shape matched with the installation groove, and the positioning part of the fixture is arranged in the installation groove and can slide along the installation groove while being fixed by bolts or screws.
3. The device for rapidly detecting the distance between the reinforcing steel bars as claimed in claim 2, wherein a second slotted hole is formed at the bottom or the side of the installation groove, and the positioning part of the fixture is fixed in the installation groove by a bolt or a screw passing through the second slotted hole.
4. The device for rapidly detecting the distance between the steel bars as claimed in claim 1, wherein the cross section of the steel bar deviation checking strip of the measuring tape is rectangular, the first slotted hole is formed in the rectangular steel bar deviation checking strip, a third slotted hole is simultaneously formed in the rectangular steel bar deviation checking strip, and the positioning part of the fixture is attached to the upper surface of the rectangular steel bar deviation checking strip and fixed on the steel bar deviation checking strip through a bolt or a screw passing through the third slotted hole.
5. The device for rapidly detecting the distance between the reinforcing steel bars as claimed in claim 1, wherein the measuring tape main body is provided with a plurality of calibration holes corresponding to different scale values, the fixture main body is provided with positioning holes corresponding to the calibration holes, and the positioning holes on the fixture main body after being inserted into the first slotted hole correspond to the calibration holes and are connected and fixed by bolts penetrating through the calibration holes and the positioning holes.
6. The device for rapidly detecting the distance between the reinforcing steel bars as claimed in any one of claims 1 to 5, wherein one side surface of the first slotted hole and the back surface of the measuring tape main body are located on the same vertical surface, and the other side surface is located on the side far away from the front surface of the measuring tape main body.
7. The device for rapidly detecting the distance between the reinforcing steel bars as claimed in any one of claims 1 to 5, wherein a fourth long slot hole parallel to the measuring tape main body is formed in the fixture main body, and the two marker posts are fixed on the fixture main body by passing through the fourth long slot hole through bolts.
8. The device for rapidly detecting the spacing between the steel bars as claimed in any one of claims 1 to 5, wherein the bottom edge of the front surface of the fixture body is marked with a scale, the zero scale line of the scale is centered, and the two marking rods are bilaterally symmetrical by taking the zero scale line as a center line.
9. The device for rapidly detecting the distance between the steel bars as claimed in any one of claims 1 to 5, wherein the zero graduation line on the graduation line of the measuring tape main body is centered.
10. The device for rapidly detecting the distance between the steel bars as claimed in any one of claims 1 to 5, wherein a handle is arranged on the steel bar deviation checking strip of the measuring scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402669.4U CN211696195U (en) | 2020-03-25 | 2020-03-25 | Quick detection device of reinforcing bar interval |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020402669.4U CN211696195U (en) | 2020-03-25 | 2020-03-25 | Quick detection device of reinforcing bar interval |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525035A (en) * | 2020-11-17 | 2021-03-19 | 夏燕东 | Civil engineering range finder |
| CN112556807A (en) * | 2020-11-06 | 2021-03-26 | 合肥工大共达工程检测试验有限公司 | Reinforcing bar weight deviation and size deviation detection device |
| CN113670168A (en) * | 2021-06-28 | 2021-11-19 | 山东重诺锻造股份有限公司 | Flange hole center distance testing device and flange hole center distance testing method |
| CN113959303A (en) * | 2021-10-15 | 2022-01-21 | 晋西工业集团有限责任公司 | Method for measuring distance between threaded connection platforms at two ends of spinning cylindrical part |
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2020
- 2020-03-25 CN CN202020402669.4U patent/CN211696195U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556807A (en) * | 2020-11-06 | 2021-03-26 | 合肥工大共达工程检测试验有限公司 | Reinforcing bar weight deviation and size deviation detection device |
| CN112525035A (en) * | 2020-11-17 | 2021-03-19 | 夏燕东 | Civil engineering range finder |
| CN112525035B (en) * | 2020-11-17 | 2022-12-09 | 广州精测信息科技有限公司 | Civil engineering range finder |
| CN113670168A (en) * | 2021-06-28 | 2021-11-19 | 山东重诺锻造股份有限公司 | Flange hole center distance testing device and flange hole center distance testing method |
| CN113959303A (en) * | 2021-10-15 | 2022-01-21 | 晋西工业集团有限责任公司 | Method for measuring distance between threaded connection platforms at two ends of spinning cylindrical part |
| CN113959303B (en) * | 2021-10-15 | 2024-02-02 | 晋西工业集团有限责任公司 | Measuring method for distance between threaded connection tables at two ends of spinning cylindrical part |
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