CN112345740B - Positioning device for measuring concrete expansion and contraction deformation by non-contact method - Google Patents
Positioning device for measuring concrete expansion and contraction deformation by non-contact method Download PDFInfo
- Publication number
- CN112345740B CN112345740B CN202011247691.7A CN202011247691A CN112345740B CN 112345740 B CN112345740 B CN 112345740B CN 202011247691 A CN202011247691 A CN 202011247691A CN 112345740 B CN112345740 B CN 112345740B
- Authority
- CN
- China
- Prior art keywords
- fixed
- concrete
- detection
- plate
- fixedly connected
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008602 contraction Effects 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Ceramic Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a positioning device for measuring the expansion and contraction deformation of concrete by a non-contact method, which comprises a bottom plate, wherein the lower surface of the bottom plate is fixedly connected with a universal wheel with a brake, the upper surface of the bottom plate is fixedly connected with a support column, the outer surface of the support column is respectively connected with an instrument storage box and a detection frame in a sliding manner, the inner wall of the instrument storage box is connected with a fixed plate in a sliding manner, and the upper surface of the fixed plate is fixedly connected with a rectangular fixed frame. This positioner of concrete inflation and shrinkage deformation is measured to non-contact method, through detecting the frame, the pick-up plate, the reference column, locating cap and positioning spring, conveniently adjust and fix displacement sensing probe's position, through non-contact concrete shrinkage deformation apparatus body, displacement sensing probe, fixed mark target and absorption formula standard mark target, conveniently measure the inflation and the shrinkage deformation volume of concrete detection piece, thereby make whole device have the effect that prevents the limited influence testing result of concrete deformation, the accuracy nature when guaranteeing to examine time measuring.
Description
Technical Field
The invention relates to the technical field of concrete measurement, in particular to a positioning device for measuring expansion and contraction deformation of concrete by a non-contact method.
Background
The common concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing water, sand, stones and chemical additives and mineral admixtures as necessary, uniformly stirring, densely forming, curing and hardening according to a proper proportion, and has the advantages of rich raw materials, low cost, good plasticity, high strength, good durability, reinforcement by available steel bars and the like.
Can produce certain quota crazing line in the inside of concrete, make concrete structure wholeness cause destruction easily, directly can influence the mechanical properties and the durability of concrete, for the problem of convenient measurement concrete expansion and shrink, adopt non-contact concrete shrinkage deformation apparatus to measure now more, but at the measuring in-process, the concrete is all directly placed in the mould, when the concrete takes place the inflation, receive the influence of mould easily, the deformation of concrete has been restricted, lead to the measured data inaccuracy.
The invention provides a positioning device for measuring the expansion and contraction deformation of concrete by a non-contact method.
Disclosure of Invention
The invention aims to provide a positioning device for measuring the expansion and contraction deformation of concrete by a non-contact method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the positioning device comprises a base plate, wherein a brake universal wheel is fixedly connected to the lower surface of the base plate, a support column is fixedly connected to the upper surface of the base plate, an instrument storage box and a detection frame are respectively and slidably connected to the outer surface of the support column, a fixed plate is slidably connected to the inner wall of the instrument storage box, a rectangular fixed frame is fixedly connected to the upper surface of the fixed plate, a placement plate is slidably connected to the inner wall of the rectangular fixed frame, a non-contact concrete shrinkage deformation tester body is fixedly connected to the upper surface of the placement plate, a stepped sealing cover is fixedly connected to the upper surface of the non-contact concrete shrinkage deformation tester body, a rotation groove is formed in the upper surface of the stepped sealing cover, a handle is rotatably connected to the inner side wall of the rotation groove through a rotation shaft, sliding holes are formed in the inner front wall and the inner rear wall of the detection frame, detection plates are slidably connected to the inner walls of the sliding holes, a detection plate is fixedly connected to the upper surface of the detection plate through a fixing clamp, a displacement sensing probe is fixedly connected to the upper surface of the bottom plate, a concrete detection block is placed on the upper surface of the bottom plate, a fixed detection block is placed with a fixed target, and the side surface of the fixed target is fixedly connected with an adsorption standard displacement sensing probe matched with a displacement sensing standard.
Preferably, the quantity of area brake universal wheel and support column is four, four area brake universal wheel is rectangle array fixed connection in the lower surface four corners department of bottom plate, four the support column is rectangle array fixed connection in the upper surface four corners department of bottom plate, the instrument is deposited the lower surface four corners department of case and is all seted up the standing groove with four support column looks adaptations.
Preferably, the upper surface fixed connection of fixed plate has a plurality of damping spring, a plurality of the equal fixed connection in top of damping spring is at the lower surface of placing the board, and a plurality of damping spring is rectangle array fixed connection at the upper surface of fixed plate, it is provided with the shock pad to place between the upper surface of board and the lower surface of non-contact concrete shrinkage deformation apparatus body, the material of shock pad is rubber.
Preferably, the side that the case was deposited to the instrument has seted up the chucking hole, the inner wall sliding connection in chucking hole has the chucking pole, the surface cover of chucking pole is equipped with the chucking spring, the chucking hole with chucking pole looks adaptation is all seted up to the side that fixed plate and step form sealed lid, the chucking pole extends the one end fixedly connected with pull ring that the case was deposited to the instrument, the quantity of chucking pole, chucking spring and pull ring is four, the quantity that the chucking hole was seted up to fixed plate and step form sealed lid side is four.
Preferably, fixed threaded hole has been seted up to the side that the case was deposited to the instrument, fixed threaded hole's inner wall threaded connection has the fixing bolt who is used for the fixed stay post, fixing bolt extends to the one end that the incasement portion was deposited to the instrument and the surface overlap joint of support column, fixing bolt's nut end outer fixed surface is connected with makes things convenient for fixing bolt pivoted dwang, fixing bolt's quantity is four.
Preferably, the number of the detection plates, the displacement sensing probes, the fixed targets and the adsorption type standard targets is two, each detection plate, each displacement sensing probe, each fixed target and each adsorption type standard target form a group, the two groups of detection plates, the two groups of displacement sensing probes, the two groups of fixed targets and the two groups of adsorption type standard targets are arranged in a mirror image mode, and the displacement sensing probes are electrically connected with the non-contact type concrete shrinkage deformation tester body.
Preferably, the front surface and the back surface of the detection plate are fixedly connected with positioning columns, the outer surfaces of the two positioning columns are sleeved with positioning caps, the opposite surfaces of the two positioning caps are respectively in lap joint with the front surface and the back surface of the detection frame, and the outer surfaces of the two positioning columns are sleeved with positioning springs.
Preferably, the side of the detection frame is provided with an adjusting threaded hole, the inner wall of the adjusting threaded hole is in threaded connection with an adjusting bolt, one end of the adjusting bolt extending into the detection frame is in lap joint with the outer surface of the support column, and the number of the adjusting bolts is four.
Advantageous effects
The invention provides a positioning device for measuring the expansion and contraction deformation of concrete by a non-contact method, which has the following beneficial effects:
1. this positioner of concrete inflation and shrinkage deformation is measured to non-contact method, through setting up the bottom plate, can directly place the concrete and detect the piece, through setting up the support column, detect the frame, the pick-up plate, the reference column, location cap and positioning spring, conveniently adjust and fix displacement sensing probe's position, through setting up non-contact concrete shrinkage deformation apparatus body, displacement sensing probe, fixed mark target and absorption formula standard mark target, conveniently measure the inflation and the shrinkage deformation of concrete detection piece, thereby make whole device have the effect that prevents the limited influence testing result of concrete deformation, the accuracy nature when guaranteeing to examine time.
2. This positioner of concrete inflation and shrinkage deformation is measured to non-contact method deposits the case through setting up area brake universal wheel and instrument, makes things convenient for the removal of whole device and fixes, through setting up shock pad and damping spring, prevents to cause the phenomenon of non-contact concrete shrinkage deformation apparatus body damage at the in-process that removes whole device because the vibration.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a top-down structure of the inspection frame according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at C.
In the figure: the device comprises a base plate 1, a universal wheel with a brake 2, a support column 3, an instrument storage box 4, a detection frame 5, a fixing plate 6, a rectangular fixing frame 7, a placing plate 8, a non-contact concrete shrinkage deformation tester body 9, a step-shaped sealing cover 10, a handle 11, a detection plate 12, a displacement sensing probe 13, a concrete detection block 14, a fixed target 15, an adsorption type standard target 16, a damping spring 17, a clamping rod 18, a clamping spring 19, a pull ring 20, a fixing bolt 21, a positioning column 22, a positioning cap 23, a positioning spring 24 and an adjusting bolt 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a positioner that concrete expansion and contraction deformation were measured to non-contact method, comprising a base plate 1, the lower fixed surface of bottom plate 1 is connected with area brake universal wheel 2, the last fixed surface of bottom plate 1 is connected with support column 3, the surface of support column 3 sliding connection has the instrument respectively and deposits case 4 and detection frame 5, the side that case 4 was deposited to the instrument has seted up fixed threaded hole, fixed threaded hole's inner wall threaded connection has fixing bolt 21 who is used for fixed support column 3, fixing bolt 21 extends to the instrument and deposits the inside one end of case 4 and support column 3's surface overlap joint, fixing bolt 21's nut end surface fixed connection has the convenient fixing bolt 21 pivoted dwang, fixing bolt 21's quantity is four.
The side of detecting frame 5 has seted up the regulation screw hole, and the inner wall threaded connection of adjusting the screw hole has adjusting bolt 25, and adjusting bolt 25 extends to the inside one end of detecting frame 5 and the outer surface overlap joint of support column 3, and adjusting bolt 25's quantity is four.
The quantity of area brake universal wheel 2 and support column 3 is four, and four area brake universal wheels 2 are rectangle array fixed connection in the lower surface four corners department of bottom plate 1, and four support columns 3 are rectangle array fixed connection in the upper surface four corners department of bottom plate 1, and the lower surface four corners department that the case 4 was deposited to the instrument all sets up the standing groove with four support column 3 looks adaptations, deposits case 4 through setting up area brake universal wheel 2 and instrument, makes things convenient for the removal and the fixing of whole device.
Inner wall sliding connection that case 4 was deposited to the instrument has fixed plate 6, the fixed frame 7 of last fixed surface fixedly connected with rectangle of fixed plate 6, the inner wall sliding connection of the fixed frame 7 of rectangle has places board 8, the last fixed surface fixedly connected with non-contact concrete shrinkage deformation apparatus body 9 of placing board 8, the last fixed surface fixedly connected with a plurality of damping spring 17 of fixed plate 6, the equal fixed connection in top of a plurality of damping spring 17 is at the lower surface of placing board 8, and a plurality of damping spring 17 is the upper surface of rectangular array fixed connection at fixed plate 6, it is provided with the shock pad to place between the upper surface of board 8 and the lower surface of non-contact concrete shrinkage deformation apparatus body 9, the material of shock pad is rubber, through setting up shock pad and damping spring 17, prevent to cause the phenomenon that non-contact concrete shrinkage deformation apparatus body 9 damaged at the in-process of removing whole device because of vibration.
The upper surface fixedly connected with step-shaped sealing cover 10 of non-contact concrete shrinkage deformation apparatus body 9, the rotation groove has been seted up to the upper surface of step-shaped sealing cover 10, the inside wall that rotates the groove rotates through the axis of rotation and is connected with handle 11, the side that the case 4 was deposited to the instrument has seted up the chucking hole, the inner wall sliding connection in chucking hole has chucking pole 18, the surface cover of chucking pole 18 is equipped with chucking spring 19, the chucking hole with chucking pole 18 looks adaptation is all seted up to the side of fixed plate 6 and step-shaped sealing cover 10, chucking pole 18 extends the one end fixedly connected with pull ring 20 that the case 4 was deposited to the instrument, chucking pole 18, the quantity of chucking spring 19 and pull ring 20 is four, the quantity that the chucking hole was seted up to fixed plate 6 and step-shaped sealing cover 10 side is four.
The slide opening has all been seted up to the interior antetheca and the interior back wall that detect frame 5, and the inner wall sliding connection of two slide openings has pick-up plate 12, the equal fixedly connected with reference column 22 in front and the back of pick-up plate 12, and the surface of two reference columns 22 all overlaps and is equipped with locating cap 23, and the opposite face of two locating caps 23 respectively with the front and the back overlap joint that detect frame 5, the surface of two reference columns 22 all overlaps and is equipped with positioning spring 24.
The upper surface of the detection plate 12 is fixedly connected with a displacement sensing probe 13 through a fixing clamp, a concrete detection block 14 is placed on the upper surface of the bottom plate 1, the concrete detection block 14 can be directly placed through the arrangement of the bottom plate 1, a fixed target 15 is placed on the upper surface of the concrete detection block 14, the side surface of the fixed target 15 is fixedly connected with an adsorption type standard target 16 matched with the displacement sensing probe 13, the detection plate 12, the displacement sensing probe 13, the number of the fixed target 15 and the adsorption type standard target 16 is two, each detection plate 12, the displacement sensing probe 13, the fixed target 15 and the adsorption type standard target 16 are in a group, the two groups of detection plates 12, the displacement sensing probe 13, the fixed target 15 and the adsorption type standard target 16 are arranged in a mirror image mode, the displacement sensing probe 13 is electrically connected with a non-contact type concrete shrinkage deformation tester body 9, through the arrangement of a support column 3, a detection frame 5, the detection frame 12, a positioning column 22, a positioning cap 23 and a positioning spring 24, the position of the displacement sensing probe 13 is conveniently adjusted and fixed, the detection result of the concrete shrinkage deformation tester is ensured to have the effect of accurately detecting the whole detection target block 14 and the limited detection effect of the concrete detection target 16 is ensured.
The working principle is as follows: when the positioning device is used and concrete expansion and contraction deformation is measured by a non-contact method, the whole device is moved to a measuring position by the universal wheel 2 with a brake, the instrument storage box 4 is lifted to a certain height and fixed by the fixing bolt 21, the clamping rod 18 is pulled by the pull ring 20, the non-contact concrete contraction deformation measuring instrument body 9 is lifted by the handle 11, the clamping rod 18 and the clamping spring 19 are fixed with the clamping hole formed in the side surface of the fixing plate 6, the concrete detection block 14 to be measured is placed on the upper surface of the bottom plate 1, the fixing target 15 is placed on the upper surface of the concrete detection block 14, the height of the detection frame 5 is adjusted and fixed by the adjusting bolt 25, the distance between the displacement sensing probe 13 and the adsorption type standard target 16 is adjusted by the detection plate 12, the positioning cap 23 and the positioning spring 24 are used for fixing after adjustment, finally, the displacement sensing probe 13, the fixing target 15 and the adsorption type standard target 16 can measure the expansion and contraction deformation of the concrete detection block, and the expansion and contraction deformation of the non-contact concrete contraction deformation measuring instrument body 9, the displacement sensing probe 13, the fixing target 15 and the adsorption type standard block 16 can be used for measuring the concrete detection device, and the detection device can prevent the whole detection device from being accurately influenced by the deformation detection effect of the detection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A non-contact method measures the locating device that the concrete expands and contracts and warp, including bottom plate (1), its characterized in that: the lower surface of the bottom plate (1) is fixedly connected with a universal wheel (2) with a brake, the upper surface of the bottom plate (1) is fixedly connected with a support column (3), the outer surface of the support column (3) is respectively and slidably connected with an instrument storage box (4) and a detection frame (5), the inner wall of the instrument storage box (4) is slidably connected with a fixed plate (6), the upper surface of the fixed plate (6) is fixedly connected with a rectangular fixed frame (7), the inner wall of the rectangular fixed frame (7) is slidably connected with a placement plate (8), the upper surface of the placement plate (8) is fixedly connected with a non-contact type concrete shrinkage deformation tester body (9), the upper surface of the non-contact type concrete shrinkage deformation tester body (9) is fixedly connected with a step-shaped detection plate (10), the upper surface of the step-shaped detection plate (10) is provided with a rotating groove, the inner side wall of the rotating groove is rotatably connected with a handle (11) through a rotating shaft, the inner front wall and inner back wall of the detection frame (5) are provided with slide holes, the inner walls of the two slide holes are slidably connected with detection plates (12), the upper surface of the detection plate (14) is fixedly connected with a displacement sensing probe (13) through a fixed clamp, and a detection block (14) of the upper surface of the detection plate (1) is provided with a detection block (14), an adsorption type standard target (16) matched with the displacement sensing probe (13) is fixedly connected to the side surface of the fixed target (15);
the detection device comprises detection plates (12), displacement sensing probes (13), fixed targets (15) and adsorption type standard targets (16), wherein the number of the detection plates (12), the number of the displacement sensing probes (13), the number of the fixed targets (15) and the number of the adsorption type standard targets (16) are two, each detection plate (12), the number of the displacement sensing probes (13), the number of the fixed targets (15) and the number of the adsorption type standard targets (16) are one group, the two groups of detection plates (12), the number of the displacement sensing probes (13), the number of the fixed targets (15) and the number of the adsorption type standard targets (16) are arranged in a mirror image mode, and the displacement sensing probes (13) are electrically connected with a non-contact type concrete shrinkage deformation measuring instrument body (9);
positioning columns (22) are fixedly connected to the front face and the back face of the detection plate (12), positioning caps (23) are sleeved on the outer surfaces of the two positioning columns (22), the opposite faces of the two positioning caps (23) are respectively in lap joint with the front face and the back face of the detection frame (5), and positioning springs (24) are sleeved on the outer surfaces of the two positioning columns (22);
the side of detecting frame (5) is seted up the regulation screw hole, the inner wall threaded connection who adjusts the screw hole has adjusting bolt (25), adjusting bolt (25) extend to the outer surface overlap joint of the inside one end of detecting frame (5) and support column (3), the quantity of adjusting bolt (25) is four.
2. The positioning device for measuring the expansion and contraction deformation of concrete by the non-contact method according to claim 1, wherein: the quantity of area brake universal wheel (2) and support column (3) is four, four area brake universal wheel (2) are rectangle array fixed connection in the lower surface four corners department of bottom plate (1), four support column (3) are rectangle array fixed connection in the upper surface four corners department of bottom plate (1), the lower surface four corners department that the instrument was deposited case (4) all sets up the standing groove with four support column (3) looks adaptations.
3. The positioning device for measuring the expansion and contraction deformation of concrete by the non-contact method according to claim 1, wherein: the upper surface fixed connection of fixed plate (6) has a plurality of damping spring (17), a plurality of the equal fixed connection in top of damping spring (17) is at the lower surface of placing board (8), and a plurality of damping spring (17) are rectangle array fixed connection at the upper surface of fixed plate (6), it is provided with the shock pad to place between the upper surface of board (8) and the lower surface of non-contact concrete shrinkage deformation apparatus body (9), the material of shock pad is rubber.
4. The positioning device for measuring the expansion and contraction deformation of concrete by the non-contact method according to claim 1, wherein: the side that case (4) was deposited to the instrument has seted up the chucking hole, the inner wall sliding connection in chucking hole has chucking pole (18), the surface cover of chucking pole (18) is equipped with chucking spring (19), the chucking hole with chucking pole (18) looks adaptation is all seted up to the side of the sealed lid of fixed plate (6) and step form (10), chucking pole (18) extend the one end fixedly connected with pull ring (20) that case (4) was deposited to the instrument, the quantity of chucking pole (18), chucking spring (19) and pull ring (20) is four, the quantity of seting up the chucking hole is four to the sealed lid of fixed plate (6) and step form (10) side.
5. The positioning device for measuring the expansion and contraction deformation of concrete by the non-contact method according to claim 1, wherein: fixed screw hole has been seted up to the side that case (4) was deposited to the instrument, fixed screw hole's inner wall threaded connection has fixing bolt (21) that are used for fixed stay post (3), fixing bolt (21) extend to the instrument and deposit the inside one end of case (4) and the surface overlap joint of support column (3), the nut end surface fixed connection of fixing bolt (21) makes things convenient for fixing bolt (21) pivoted dwang, the quantity of fixing bolt (21) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247691.7A CN112345740B (en) | 2020-11-10 | 2020-11-10 | Positioning device for measuring concrete expansion and contraction deformation by non-contact method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247691.7A CN112345740B (en) | 2020-11-10 | 2020-11-10 | Positioning device for measuring concrete expansion and contraction deformation by non-contact method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112345740A CN112345740A (en) | 2021-02-09 |
| CN112345740B true CN112345740B (en) | 2022-11-22 |
Family
ID=74362380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247691.7A Active CN112345740B (en) | 2020-11-10 | 2020-11-10 | Positioning device for measuring concrete expansion and contraction deformation by non-contact method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112345740B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595284B (en) * | 2021-03-04 | 2021-05-28 | 山东胜工检测技术有限公司 | Special calibration device for shale dilatometer and installation method thereof |
| CN113758773B (en) * | 2021-08-06 | 2024-03-15 | 许延霞 | Deep soil heavy metal content monitor and monitoring method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764956U (en) * | 2010-09-17 | 2011-03-16 | 中建商品混凝土成都有限公司 | Positioning device for measuring concrete expansion and contraction deformation by using noncontact method |
| CN208766176U (en) * | 2018-08-21 | 2019-04-19 | 合肥国瑞集成建筑科技有限公司 | A kind of adjustable type concrete NDT workbench |
| CN110221047A (en) * | 2019-04-30 | 2019-09-10 | 江苏海事职业技术学院 | Portable oil liquid detection device |
| CN110788812A (en) * | 2019-12-10 | 2020-02-14 | 常州擎莘自动化科技有限公司 | Platform is used in electronic components processing convenient to adjust |
| CN210155057U (en) * | 2019-07-02 | 2020-03-17 | 赵琰韶 | Concrete expansion and contraction measuring device |
| CN210376361U (en) * | 2019-05-13 | 2020-04-21 | 河南豫美建设工程检测有限公司 | Concrete chloride ion content detection device |
| CN210639130U (en) * | 2019-07-15 | 2020-05-29 | 武汉聚光检测科技有限公司 | Placing and moving device of gas chromatograph |
| CN211206474U (en) * | 2019-11-04 | 2020-08-07 | 深圳市同奥科技有限公司 | Portable containing box for multichannel water quality quick-reading tester |
-
2020
- 2020-11-10 CN CN202011247691.7A patent/CN112345740B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764956U (en) * | 2010-09-17 | 2011-03-16 | 中建商品混凝土成都有限公司 | Positioning device for measuring concrete expansion and contraction deformation by using noncontact method |
| CN208766176U (en) * | 2018-08-21 | 2019-04-19 | 合肥国瑞集成建筑科技有限公司 | A kind of adjustable type concrete NDT workbench |
| CN110221047A (en) * | 2019-04-30 | 2019-09-10 | 江苏海事职业技术学院 | Portable oil liquid detection device |
| CN210376361U (en) * | 2019-05-13 | 2020-04-21 | 河南豫美建设工程检测有限公司 | Concrete chloride ion content detection device |
| CN210155057U (en) * | 2019-07-02 | 2020-03-17 | 赵琰韶 | Concrete expansion and contraction measuring device |
| CN210639130U (en) * | 2019-07-15 | 2020-05-29 | 武汉聚光检测科技有限公司 | Placing and moving device of gas chromatograph |
| CN211206474U (en) * | 2019-11-04 | 2020-08-07 | 深圳市同奥科技有限公司 | Portable containing box for multichannel water quality quick-reading tester |
| CN110788812A (en) * | 2019-12-10 | 2020-02-14 | 常州擎莘自动化科技有限公司 | Platform is used in electronic components processing convenient to adjust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112345740A (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112345740B (en) | Positioning device for measuring concrete expansion and contraction deformation by non-contact method | |
| CN207703865U (en) | A kind of concrete slump measuring device | |
| CN209371946U (en) | A kind of template measure and control device | |
| CN102539835A (en) | Control method for installation error angle of quartz flexible accelerometer | |
| CN110261933A (en) | A kind of calibrating installation of scanning instrument for steel bar | |
| CN103162604A (en) | Real-time testing device and method for volume deformation of cement-based composite material after hardening | |
| CN207571138U (en) | Automation integrated formula slump tester | |
| CN206891901U (en) | Concrete slump test instrument | |
| CN209821200U (en) | Novel slump appearance convenient to reading and promotion | |
| CN109521183B (en) | Slope surface water and soil loss amount measuring instrument and using method thereof | |
| CN215639184U (en) | Concrete thickness testing arrangement for building | |
| CN113483735B (en) | Prefabricated stand template straightness detection device that hangs down of assembled bridge | |
| CN213985063U (en) | Building engineering straightness detection device that hangs down | |
| CN213336038U (en) | Distance measuring instrument for housing construction | |
| CN108827241B (en) | Angle measuring device and measuring method thereof | |
| CN209417158U (en) | A kind of electromagnetic radiation measuring instrument | |
| CN208458687U (en) | A kind of bridge strain detection device | |
| CN102608298B (en) | Hand-shaking type concrete self-constriction measuring device | |
| CN220854882U (en) | Highway engineering concrete slump detection device | |
| CN107228808B (en) | Construction site dust pollution detection device and detection method thereof | |
| CN220352823U (en) | Pile foundation depth measuring device for piling | |
| CN219455339U (en) | Concrete temperature gradient detection device | |
| CN213544297U (en) | Self-compaction solidified soil contractility testing arrangement | |
| CN221840363U (en) | Non-contact corrugated pipe type cement-based shrinkage deformation measurement test device | |
| CN214747741U (en) | Special frock fixture of slurrying crucible detection |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221101 Address after: 529,100 Building B, No. 1 Baoyuan Road, Jinguzhou Economic Development Pilot Zone, Jiangmen, Guangdong Applicant after: Guangdong Nanfang Testing Co.,Ltd. Address before: 510000 9 Industrial Avenue, economic development zone, Conghua District, Guangzhou City, Guangdong Province Applicant before: Xi Xiaoling |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |