CN110779433A - Concrete chiseling surface roughness measuring device and measuring method - Google Patents
Concrete chiseling surface roughness measuring device and measuring method Download PDFInfo
- Publication number
- CN110779433A CN110779433A CN201911183929.1A CN201911183929A CN110779433A CN 110779433 A CN110779433 A CN 110779433A CN 201911183929 A CN201911183929 A CN 201911183929A CN 110779433 A CN110779433 A CN 110779433A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- piston
- plasticine
- bottom plate
- magnetic
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a concrete chiseling surface roughness measuring device and a measuring method, the device comprises a sleeve, a piston and a push-pull baffle plate which are positioned in the sleeve, a piston rod connected with the piston, a positioning ring positioned on the outer side of the bottom of the sleeve and a filler strip connected with the positioning ring, the top of the piston rod is connected with a pressing handle, the upper part of the piston is provided with a limit stop and an electromagnet device, an electromagnet switch is positioned on the outer side of the sleeve, the top of the sleeve is sealed by a cover plate, the bottom of the sleeve is connected with a bottom plate with a hole, and magnetic plasticine is filled in the sleeve during roughness measurement. The device has the advantages of reasonable structure, low cost, convenient operation, high accuracy and convenient recycling of detection consumables, and can be used for measuring the roughness of the chiseled surface of concrete in different directions.
Description
Technical Field
The invention relates to the technical field of concrete measurement, in particular to a device and a method for measuring the roughness of a roughened surface of concrete.
Background
In recent years, with the acceleration of the urbanization process of China, the scale of infrastructure is continuously enlarged, and higher requirements are put forward on the construction quality and the construction efficiency. Compared with the traditional cast-in-place structure construction, the assembly type structure is constructed by factory prefabrication and field assembly of components, the mechanical operation level can be greatly improved, the construction progress is accelerated while the quality is improved, the interference to the existing traffic is reduced, and the environment protection is facilitated. Therefore, the assembled structure becomes the development trend of the engineering construction nowadays. The main construction processes of the existing assembly type structure are prefabricated parts, hoisting splicing and seam processing, wherein the seam processing generally needs to carry out chiseling processing on a concrete surface firstly, so that seam concrete pouring can be carried out, the quality of the chiseling surface of the concrete plays a role in whether the connection between the parts is safe and reliable or not, wherein the roughness of the chiseling surface is an important evaluation index and is the average depth of an opening pore with a certain area of the concrete surface with an uneven surface.
Currently, the roughness measurement methods mainly include a sand filling method, a silicon powder stacking method, a touch method, a fractal method, and the like.
The sand filling method includes surrounding the area to be measured, filling sand, covering the board with sand, taking out sand and calculating the roughness based on the ratio between the sand volume and the area of the area to be measured. The sand-blasting procedure, although simple, is not suitable for use with inclined, vertical and horizontal downward surfaces, except for horizontal upward surfaces. In addition, the sand filling method needs to use sand, and the sand is not easy to be thoroughly removed after testing, so that the method is inconvenient to be applied in engineering.
The silicon powder stacking and falling method has strict requirements on the used materials, is only suitable for measuring the horizontally upward surface as the sand filling method, and is not easy to thoroughly remove after measurement; the stylus method needs to measure a plurality of convex-concave curves along a certain direction and a reference line, is complex to operate and slow in speed, and is not suitable for actual engineering field measurement; the fractal dimension method can ensure the accuracy of the measurement result, but the data acquisition process is slow, the operation is complex, and the method is not suitable for being applied to actual engineering.
By combining the defects of the method, the device which is simple to operate, high in measuring speed and high in precision, detection consumables are convenient to recycle, and the device can be used for measuring the roughness of the rough surface of the concrete chisel in different directions has great practical requirements.
Disclosure of Invention
Aiming at the problem that the roughness of the roughened surface of the concrete prefabricated part is difficult to measure, the invention provides a concrete roughened surface roughness measuring device and a measuring method, which are used for realizing the rapid measurement of the roughness of the roughened surface.
The invention is realized by the following technical scheme:
a concrete chisel hair surface roughness measuring device comprises a sleeve, and a piston, magnetic plasticine, a baffle and a bottom plate which are arranged in the sleeve from top to bottom;
the bottom plate is arranged at the lower end of the sleeve, a plurality of holes are formed in the bottom plate in an array mode, and the bottom plate is used for covering the surface to be measured;
the baffle can move along the radial direction of the sleeve and is used for communicating the space between the piston and the bottom plate;
before measurement, the magnetic plasticine is positioned between the piston and the baffle;
during measurement, the baffle plate is moved in the radial direction, and the piston can enable the magnetic plasticine to flow to a measurement area of a surface to be measured along the hole of the bottom plate.
Preferably, the top of the piston is further provided with a piston rod for controlling the axial movement of the piston along the sleeve.
Preferably, the piston rod is provided with a scale for recording the moving distance of the piston.
Preferably, the top of the piston is also provided with an electromagnet, and the electromagnet is connected with an electromagnet switch.
Preferably, the lower end of the outer wall of the sleeve is further provided with a positioning ring, the lower end of the positioning ring is provided with a gasket strip, and the gasket strip is used for sealing the lower end of the sleeve and an area to be measured during measurement.
Preferably, the section of the sleeve is rectangular, a horizontal mounting hole is formed in one side wall of the sleeve, and one end of the baffle extends into the mounting hole and is clamped with the inner wall of the other parallel side wall.
The invention also provides a measuring method of the concrete chisel hair surface roughness measuring device, which comprises the following steps:
V
1＝nπR
2t
Wherein n is the number of the round holes, t is the height of the holes, and R is the radius of the round holes of the bottom plate;
V
2＝V-V
1；
preferably, the method for acquiring the moving distance m of the piston in step 2 is as follows:
firstly, recording the scale value h of the top of the sleeve cover plate corresponding to the piston rod when the compacted magnetic plasticine is positioned between the piston and the baffle plate
1；
Then, recording the scale value h of the top of the sleeve cover plate corresponding to the piston rod when the magnetic plasticine flows into the surface to be measured
2；
m＝h
1-h
2
Preferably, the method for determining the volume V of the magnetic plasticine inserted into the holes of the surface to be measured and the base plate in the step 3 is as follows:
V＝(h
1-h
2-d)a
2
wherein, a
2Is the cross-sectional area of the interior of the sleeve.
Compared with the prior art, the invention has the following beneficial technical effects:
the utility model provides a concrete chisel hair side roughness measuring device, includes the sleeve to and set up the baffle that piston, magnetism plasticine, bottom plate and the activity in inside set up, make magnetism plasticine flow in through control piston and wait to measure the face, the distance of baffle to bottom plate is subtracted to the displacement through the piston, can obtain the volume of embedding the measuring face embedding magnetism plasticine, and then obtains the roughness of waiting to measure the face, the device simple structure, the simple operation can accomplish the measurement of chisel hair side roughness fast.
Furthermore, the piston rod is arranged at the top of the piston, and scales are arranged on the piston rod, so that the moving distance of the piston can be observed conveniently, a determination method of the moving distance is simplified, and the measurement efficiency is improved.
Furthermore, an electromagnet is arranged at the top of the piston, and when measurement is completed, the electromagnet is magnetized, so that the magnetic plasticine is adsorbed on the piston, and the recovery of the magnetic plasticine is facilitated.
Further, seal telescopic lower extreme and the volume of awaiting measuring face through the filler strip, prevent that magnetic plasticine from revealing, avoid influencing the measurement accuracy of roughness.
Furthermore, the side wall of the sleeve is provided with a hole, so that the baffle can be conveniently extracted.
The invention also provides a measuring method of the concrete chisel hair surface roughness measuring device, which comprises the steps of determining the quantity of the magnetic plasticine embedded into the bottom plate and the surface to be measured through the moving distance of the piston and the distance from the baffle plate to the bottom plate, further determining the quantity of the magnetic plasticine embedded into the hole of the bottom plate in order to reduce errors, then obtaining the accurate quantity of the magnetic plasticine embedded into the surface to be measured, and further obtaining the roughness of the surface to be measured according to a roughness adding formula.
Drawings
FIG. 1 is a schematic structural diagram of a measuring device according to the present invention;
FIG. 2 is a bottom plan view of the measuring device of the present invention;
FIG. 3 is a partial view of the sleeve at the baffle of the present invention;
FIG. 4 is a schematic view of the baffle structure of the present invention;
FIG. 5 is a schematic view of the close coupling of the sleeve and the baffle of the present invention;
FIG. 6 is a block diagram of the measuring device of the present invention before measurement;
FIG. 7 is a view showing the structure of the measuring apparatus of the present invention at the time of measurement.
In the figure: 1-a piston; 2-electromagnet switch; 3-cover plate; 4-a piston rod; 5-pressing the handle; 6-graduation; 7-an electromagnet; 8-limit stop block; 9-a sleeve; 10-a baffle plate; 11-a positioning ring; 12-a filler strip; 13-a base plate; 14-a trapezoidal groove; 15-hook groove; 16-a hook; 17-a push-pull handle; 18-magnetic plasticine; 19-chiseling the rough surface of the concrete.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
As shown in fig. 1-5, a device for rapidly measuring roughness of a concrete chiseling surface comprises a sleeve 9 and a piston 1 located in the sleeve, wherein the top of the piston 1 is connected with a piston rod 4, the upper end of the piston rod 4 extends out of the top of the sleeve 9, the upper end of the piston rod 4 is provided with a pressing handle 5, the piston is controlled to move in the sleeve by the pressing handle 5, and the piston rod 4 is further provided with a scale area 6 for observing the moving distance of the piston 1.
The top of the piston 1 is provided with a limit stop 8 for controlling the upward distance of the piston; the top of the piston 1 is also provided with an electromagnet 7, and the electromagnet switch 2 is positioned outside the sleeve 9.
As shown in fig. 2, the sleeve 9 is of a structure with two open ends, the top of the sleeve 9 is sealed by the cover plate 3, the bottom of the sleeve 9 is provided with a bottom plate 13, the lower end of the sleeve is sealed, a plurality of holes are arranged on the bottom plate 13 in an array, magnetic plasticine 18 is filled between the bottom plate and the piston, and the magnetic plasticine 18 has the characteristics of high fluidity and low compressibility.
The middle part of the sleeve 9 is also provided with a movable baffle 10, the baffle 10 can horizontally move along the radial direction of the sleeve, before measurement, the magnetic plasticine 18 is positioned between the piston and the baffle 10, and during measurement, the baffle is moved to enable the magnetic plasticine 18 to move towards the direction of the bottom plate.
As shown in fig. 3 to 5, the sleeve 9 has a rectangular structure, one side wall of which is provided with a horizontal mounting hole, and the inner wall of the other side wall parallel to the side wall is provided with a groove 14, and one end of the baffle 10 is inserted horizontally from the mounting hole and into the groove 14.
The bottom of the one end of baffle 10 that inserts recess 14 is provided with trip 16, is provided with push-and-pull handle 17 at the other end of baffle 10, is provided with at the tip of mounting hole with trip 16 assorted trip groove 15 to be located the inboard of sleeve lateral wall, when baffle 10 extracts to telescopic outside, trip 16 blocks in trip groove 15, prevents baffle 10 and sleeve separation.
The baffle 10 is square, the width of the baffle is the same as that of the interior of the sleeve, the positioning ring 11 is arranged at the lower part of the outer wall of the sleeve 9, the bottom of the positioning ring 11 is provided with a gasket strip 12, and the gasket strip 12 is made of a material which is easy to compress, high in elasticity and small in lateral deformation, such as high-elasticity sponge.
The following is a detailed description of the measuring method of the device for rapidly measuring the roughness of the rough surface of the concrete chisel provided by the invention, and the method comprises the following steps:
before measurement, cleaning the chiseled surface 19 of the concrete to be measured by using a soft brush;
as shown in fig. 6, the amount of magnetic plasticine 18 filled in the sleeve is determined by estimating the roughness of the surface to be measured, the baffle 10 is pulled open, and a proper amount of magnetic plasticine 18 is filled between the piston 1 and the baffle 10;
promote baffle 10, seal magnetism plasticine 18 in the sleeve to be located between piston and the baffle, place measuring device concrete chisel hair face that awaits measuring, press handle 5, treat the inside magnetism plasticine 18 of sleeve and flatten stably the back, read out the scale h that piston rod 4 and apron 3 top correspond
1；
Pressing the cover plate 3 to enable the bottom plate 13 to be in close contact with the concrete chiseling surface 19, and compressing the cushion strip 12 to seal the outer side of the bottom of the sleeve 9;
as shown in fig. 7, the baffle 10 is pulled open, the handle 5 is pressed, the magnetic plasticine 18 in the sleeve enters the surface to be measured from the hole of the bottom plate, and after the magnetic plasticine 18 in the sleeve is flattened and stabilized, the displacement scale h corresponding to the top of the cover plate 3 on the piston rod 4 is read
2；
The electromagnet switch 2 is turned on, the magnetic plasticine 18 embedded on the concrete chisel surface 19 is recovered by magnetic force, and the baffle is pushed into the sleeve.
First, the volume of the magnetic plasticine embedded between the top of the bottom plate 13 and the concrete burr 19 is calculated as follows:
V＝(h
1-h
2-d)a
2
wherein d is the height from the top surface of the bottom plate to the top surface of the baffle plate, and a is the side length of the square bottom plate 13.
Then, the volume of the magnetic plasticine embedded in the range of the height t of the round hole of the bottom plate 13 is calculated as follows:
V
1＝nπR
2t
wherein n is the number of the round holes, t is the height of the round holes, and R is the radius of the round holes of the bottom plate.
Then, the sectional area S surrounded by the outer wall of the sleeve 9 is calculated.
S＝(a+2c)
2
Wherein c is the sleeve sidewall thickness.
Next, the volume of the magnetic plasticine embedded in the concrete burr surface 19 within the area S is calculated.
V
2＝V-V
1＝(h
1-h
2-d)a
2-nπR
2t
Finally, the roughness of the concrete roughened surface 19 in the area S range is calculated as:
the invention discloses a concrete chiseling surface roughness measuring device and a measuring method, the device comprises a sleeve, a piston and a push-pull baffle plate which are positioned in the sleeve, a piston rod connected with the piston, a positioning ring positioned on the outer side of the bottom of the sleeve and a filler strip connected with the positioning ring, the top of the piston rod is connected with a pressing handle, the upper part of the piston is provided with a limit stop and an electromagnet device, an electromagnet switch is positioned on the outer side of the sleeve, the top of the sleeve is sealed by a cover plate, the bottom of the sleeve is connected with a bottom plate with a hole, and magnetic plasticine is filled in the sleeve during roughness measurement. The device has the advantages of reasonable structure, low cost, convenient operation, high accuracy and convenient recycling of detection consumables, and can be used for measuring the roughness of the chiseled surface of concrete in different directions.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. A concrete chisel hair surface roughness measuring device is characterized by comprising a sleeve (9), and a piston (1), a magnetic plasticine (18), a baffle (10) and a bottom plate (13) which are arranged in the sleeve from top to bottom;
the bottom plate (13) is arranged at the lower end of the sleeve (9), a plurality of holes are formed in the bottom plate (13) in an array mode, and the bottom plate (13) is used for covering the surface to be measured;
the baffle (10) can move along the radial direction of the sleeve and is used for communicating the space between the piston (1) and the bottom plate (13);
before measurement, the magnetic plasticine (18) is positioned between the piston (1) and the baffle (10);
during measurement, the baffle (10) is moved in the radial direction, and the piston (1) can enable the magnetic plasticine (18) to flow to a measurement area of a surface to be measured along the hole of the bottom plate (13).
2. A concrete chisel edge roughness measurement device as claimed in claim 1, wherein the top of the piston (1) is further provided with a piston rod (4) for controlling the axial movement of the piston along the sleeve (9).
3. A concrete chisel surface roughness measuring device as claimed in claim 2, characterized in that the piston rod (4) is provided with a scale (6) for recording the distance of movement of the piston (1).
4. The concrete chisel surface roughness measurement device of claim 1, characterized in that the top of the piston is further provided with an electromagnet (7), and the electromagnet (7) is connected with the electromagnet switch (2).
5. A concrete chisel edge roughness measurement device as claimed in claim 1, wherein the lower end of the outer wall of the sleeve (9) is further provided with a locating ring (11) and a filler strip (12) at the lower end of the locating ring for sealing the lower end of the sleeve and the area to be measured during measurement.
6. A concrete chisel hair side roughness measuring device as claimed in claim 1, characterized in that the cross-section of the sleeve (9) is rectangular, a horizontal mounting hole is provided on one side wall of the sleeve, and one end of the baffle plate extends into the mounting hole and is clamped with the inner wall of the other parallel side wall.
7. A measuring method of a concrete chisel face roughness measuring apparatus as claimed in any one of claims 1 to 6, characterized by comprising the steps of:
step 1, obtaining the distance d from the top of a bottom plate (13) to the top of a baffle (10);
step 2, extracting the baffle (10) to enable the piston to push the magnetic plasticine (18) to flow into a surface to be measured along the hole of the bottom plate (13), and acquiring the moving distance m of the piston;
step 3, determining the volume V of the magnetic plasticine (18) embedded into the surface to be measured and the bottom plate hole according to the distance d and the moving distance m;
step 4, determining the volume V of the magnetic plasticine embedded in the holes of the bottom plate (13)
1；
V
1＝nπR
2t
Wherein n is the number of the round holes, t is the height of the holes, and R is the radius of the round holes of the bottom plate;
step 5, according to the volume V and the volume V
1Determining the volume V of the magnetic plasticine (18) embedded in the surface to be measured
2；
V
2＝V-V
1；
Step 6, determining the section area S surrounded by the outer wall of the sleeve (9);
step 7, according to the volume V
2And the section area S, determining the roughness h of the surface to be measured;
8. the measuring method of a concrete chisel surface roughness measuring apparatus according to claim 7, wherein the method of obtaining the moving distance m of the piston in the step 2 is as follows:
firstly, recording the scale value h of the top of the sleeve cover plate (3) corresponding to the piston rod when the compacted magnetic plasticine (18) is positioned between the piston (1) and the baffle (10)
1；
Then, recording the scale value h of the top of the sleeve cover plate (3) corresponding to the piston rod when the magnetic plasticine (18) flows into the surface to be measured
2；
m＝h
1-h
2。
9. A measuring method of a concrete chisel face roughness measuring device according to claim 8, characterized in that the method of determining the volume V of the magnetic plasticine (18) embedded in the face to be measured and the holes of the bottom plate in step 3 is as follows:
V＝(h
1-h
2-d)a
2
wherein, a
2Is the cross-sectional area of the interior of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183929.1A CN110779433A (en) | 2019-11-27 | 2019-11-27 | Concrete chiseling surface roughness measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183929.1A CN110779433A (en) | 2019-11-27 | 2019-11-27 | Concrete chiseling surface roughness measuring device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110779433A true CN110779433A (en) | 2020-02-11 |
Family
ID=69392824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183929.1A Pending CN110779433A (en) | 2019-11-27 | 2019-11-27 | Concrete chiseling surface roughness measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110779433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174679A (en) * | 2020-03-18 | 2020-05-19 | 广东稳固检测鉴定有限公司 | Assembled concrete roughness detection method |
| CN111551489A (en) * | 2020-04-08 | 2020-08-18 | 国网河南省电力公司电力科学研究院 | Composite insulator bird pecking damage degree quantification method based on filling volume method |
-
2019
- 2019-11-27 CN CN201911183929.1A patent/CN110779433A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174679A (en) * | 2020-03-18 | 2020-05-19 | 广东稳固检测鉴定有限公司 | Assembled concrete roughness detection method |
| CN111174679B (en) * | 2020-03-18 | 2022-05-13 | 广东稳固检测鉴定有限公司 | Assembled concrete roughness detection method |
| CN111551489A (en) * | 2020-04-08 | 2020-08-18 | 国网河南省电力公司电力科学研究院 | Composite insulator bird pecking damage degree quantification method based on filling volume method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110779433A (en) | Concrete chiseling surface roughness measuring device and measuring method | |
| CN102937562B (en) | Pavement water seepage instrument installation method and pavement water seepage performance detection method | |
| CN211085086U (en) | Concrete chisel hair face roughness measurement device | |
| CN110567777A (en) | hollow cylinder remolded soil sample bidirectional sample pressing device and method | |
| CN210923214U (en) | Hollow cylinder remolded soil sample bidirectional sample pressing device | |
| CN110736416A (en) | Flatness detection ruler and method for prefabricated shear wall | |
| CN209400535U (en) | A kind of concrete flowability detection device | |
| CN215064507U (en) | Road slope measuring device for highway construction surveying and mapping | |
| CN212674706U (en) | Concrete slump detection device for construction | |
| CN209798498U (en) | Novel compaction is backfilled to structure thief hole asphalt concrete device | |
| CN212427045U (en) | Foundation soil filling compactness on-site detection device | |
| CN212459682U (en) | Experimental device for stability of fine sand structure face with different water contents | |
| CN210570455U (en) | Precast shear wall roughness detection ruler | |
| CN208399239U (en) | A kind of vertical vibration compaction test apparatus of measurable height of specimen | |
| CN219674988U (en) | Concrete pavement pouring site thickness inspection device | |
| CN219284719U (en) | Highway road surface engineering compactness test detection device | |
| CN111637856A (en) | Sand-sliding type sandy soil and structure relative roughness measuring device and using method | |
| CN206311374U (en) | For the sample soil sampler of cohesive soil combined measurement method of liquid and plastic limits experiment | |
| CN214420072U (en) | Drawing device for probability statistics analysis | |
| CN105136612B (en) | Flow of cement mortar testing mould | |
| CN216973060U (en) | Detection device for ground compactness test | |
| CN219799448U (en) | On-spot quality control device of building concrete | |
| CN218955634U (en) | Earthwork backfill elevation measuring device suitable for foundation pit or slot | |
| CN105115857B (en) | Flow of cement mortar test device | |
| CN214668291U (en) | Pipe soil interface shear test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |