CN111504156A - Linear dry shrinkage-wet expansion detector for hard inorganic block material - Google Patents
Linear dry shrinkage-wet expansion detector for hard inorganic block material Download PDFInfo
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- CN111504156A CN111504156A CN202010498506.5A CN202010498506A CN111504156A CN 111504156 A CN111504156 A CN 111504156A CN 202010498506 A CN202010498506 A CN 202010498506A CN 111504156 A CN111504156 A CN 111504156A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- 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
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Abstract
The invention discloses a linear shrinkage-hygrostat for a hard inorganic block material, which comprises a horizontal adjusting foot, an instrument base frame, a reference platform, a standard rod placing block (comprising a supporting and positioning rod), a detachable high-precision filler strip, a digital display vernier ranging caliper starting position adjusting positioner, a digital display vernier ranging caliper, digital display vernier ranging caliper measuring end position adjusting positioners 1 and 2, a digital display vernier ranging caliper reading display, a digital display micrometer, a standard measuring rod and a test piece line drawing plate, wherein the horizontal adjusting foot is connected with the instrument base frame through a connecting rod; the device realizes the function set of the digital display vernier caliper, the comparator, the standard length rod and the dial indicator, effectively realizes the quick, accurate and stable measurement of the linear length of the inorganic block material, and solves the problems of the free measurement of the linear lengths of materials with different sizes and the convenient and adjustable measurement precision of materials with different sizes.
Description
Technical Field
The invention belongs to the technical field of detection equipment for concrete, inorganic insulation boards and partition wall battens for buildings, and particularly relates to a linear dry shrinkage-wet expansion detector for a hard inorganic block material.
Background
Concrete, inorganic insulation boards and partition wall battens for buildings are very common building materials, and the linear shrinkage-wet expansion rate is one of important indexes for measuring the quality of the concrete, the inorganic insulation boards and the partition wall battens for buildings. The existing detection equipment belongs to detection equipment for specific products and professional projects, is limited by the test precision and the size of a test piece, and cannot cover the test of similar projects made of other materials. The manufacturing condition is rough due to various reasons such as price, market and the like, and is not equivalent to the construction of the existing high-precision laboratory.
At present, special equipment such as a concrete shrinkage dilatometer and a comparator is arranged in the detection of the linear dimension change rate of concrete and inorganic insulation boards, and a partition plate for a building can be measured by a large-size outside micrometer. Although the requirement of the relevant test standard on the measurement reading precision can be met, the operation errors caused by the measurement process are large, and the occupied area is large. For example, an outside micrometer with a measuring range of about 600mm needs a special support frame for assisting and stabilizing in use due to large weight, the height of a measuring point is changed in use, the height of the measuring point is inconvenient to adjust, and a large operation error is introduced due to vibration of a hand when the measuring point is held by a hand for use.
The invention patent application with publication number CN107514960A discloses a concrete expansion and contraction test length measuring instrument and a measuring method, the instrument can be suitable for the precise length measurement of concrete samples with different specifications by replacing a sample clamp, the applicability is strong, the lengths of the concrete samples with different tests and different specifications can be precisely measured on one instrument, the standardization and unification of the length measurement tests of the concrete samples with different specifications can be ensured, and the consistency and the accuracy of measurement data are ensured; however, the method can not meet the requirements of linear measurement of different precision and different materials, and meanwhile, the method has large influence on operation errors during high-precision measurement.
Disclosure of Invention
The invention aims to provide a linear shrinkage-hygrostat for a hard inorganic block material, aiming at realizing the ultra-long function set of a digital display vernier caliper, a comparator, a standard length rod and a dial indicator effectively in high precision and aggregation and meeting the requirement of linear measurement of test pieces with different sizes under the same test precision condition. Meanwhile, the problem that the test piece placement point position is relatively fixed during secondary measurement is solved, so that the test is more convenient and faster, and the result is more accurate.
The technical scheme adopted by the invention is as follows:
the invention discloses a linear dry shrinkage-wet expansion detector for a hard inorganic block material, which comprises an instrument base frame, wherein a horizontal adjusting pin is arranged at the bottom of the instrument base frame, and the instrument base frame, the horizontal adjusting pin and a reference platform jointly form a horizontal supporting surface of the detector; the horizontal adjusting pin adjusts the base frame of the instrument to enable the base frame to be placed horizontally, the base frame bears the whole machine and a tested test piece, the structure is firm, enough rigidity is achieved, and the requirement on machining and manufacturing precision is high; the height of the reference platform is required to be consistent, the surface is flat and smooth, the bottom surface of the standard rod placing block is good in flatness, the standard rod placing block is placed in a groove of the reference platform, and the two contact surfaces are well attached;
a standard measuring rod placing block is placed on the horizontal supporting surface, the upper surface of the standard measuring rod placing block is downwards recessed to form equidistant standard measuring rod placing block fixing grooves, the standard measuring rod placing block fixing grooves are used for placing a test piece supporting and positioning rod or a standard measuring rod, a tested test piece is placed above the standard measuring rod placing block, two ends of the tested test piece extend outwards to form a pre-embedded measuring head of the tested test piece, and the lower surface of the tested test piece is in contact with the test piece supporting and positioning rod or the standard measuring rod; the test piece supporting and positioning rod is arranged on the standard rod placing block, and meanwhile, the test piece and the initial measuring position are ensured to be as same as possible when the same test piece is moved and placed for multiple times and measured in a mode of marking equidistant marked lines on the lower surface of the test piece;
furthermore, a digital display vernier ranging ruler is arranged at the upper end of the detector, a digital display vernier ranging ruler starting position adjusting positioner is arranged at the starting point of the digital display vernier ranging ruler, and the positioner is downwards clamped with a tested test piece; the digital display vernier ranging rod end point is provided with a digital display vernier ranging rod end point position adjusting positioner 1; the digital display vernier ranging ruler starting position adjusting positioner is connected with a detachable high-precision filler strip on an instrument base frame at one end through a screw; one end of the pre-embedded measuring head of the tested test piece is connected with a detachable high-precision filler strip, and the other end of the pre-embedded measuring head is connected with a digital display vernier ranging ruler terminal position adjusting positioner 2;
the method comprises the following steps that a standard rod placing block is placed in a standard rod placing block fixing groove, a detachable high-precision cushion strip and the groove of the detachable high-precision cushion strip are central lines of instrument measurement, so that linear measuring points of a test piece are relatively fixed, if the measuring points are located in the middle of a concave surface of the test piece, the detachable high-precision cushion strip needs to be installed at first, and if the test piece is located in the middle of a convex surface, the detachable high-precision cushion strip can be reserved or removed according to a test process;
the digital display vernier ranging rod and the digital display vernier ranging rod end point position adjusting positioner 1 form a bracket connection digital display vernier ranging rod reading display, and the digital display vernier ranging rod end point position adjusting positioner 1 and the digital display vernier ranging rod end point position adjusting positioner 2 form a bracket connection digital display micrometer; the standard measuring rod is used in a matched mode, a dial indicator is arranged on a position adjusting positioner of a measuring end point of the digital display vernier ranging rod, the measuring accuracy is directly converted, and different measuring accuracy requirements are met;
if the test piece needs to be measured at any middle position of the instrument, in order to ensure that the secondary placement measurement position of the test piece is unchanged, a test piece line drawing plate is used for drawing a supporting marked line on the lower surface of the test piece according to the length of the test piece, and two marked lines equidistant to a supporting positioning rod are pre-drawn on the lower surface of the test piece, so that the test piece placement point position is relatively fixed during secondary measurement, and the test result is more accurate;
further, placing a test piece supporting and positioning rod according to the marked line, and placing the test piece on the supporting and positioning rod;
when the measurement accuracy is 0.01mm, a test piece can be placed on the test piece support rod, the height of the measuring surface of each of the digital display vernier ranging rod measurement end point position adjusting positioners 1 and 2 is adjusted to accord with the measuring point position, the two measuring surfaces are attached, and the digital display vernier ranging rod reading display is set to be zero to be pulled open for measurement;
when the measurement accuracy is 0.001mm, a high-precision filler strip can be installed or removed at a start measuring end according to measurement requirements, a standard marking rod is placed on a standard rod placing block, a micrometer is installed on a digital display vernier ranging caliper measurement end position adjusting positioner 2, the height of the adjusting positioner accords with a measurement point position, the digital display vernier ranging caliper is moved to enable the digital display vernier ranging caliper measurement end position adjusting positioner 2 to be attached to the standard measuring rod and compressed to the middle part of a measurement range, the micrometer is set to be zero, the standard measuring rod is taken down and replaced by a test piece supporting rod, the test piece to be measured can be placed, and the measured value and the standard measuring rod value are added to obtain a test piece length value; therefore, linear measurement of any object with different precision requirements in the measuring range of the digital display vernier can be realized.
The invention has the following technical effects:
the invention discloses a linear dry shrinkage-wet expansion detector for hard inorganic block materials, which is suitable for detecting concrete, inorganic insulation boards and partition wall batten products for buildings, one device meets the requirements of linear measurement of different length sizes, different accuracies and different materials, and the maintenance cost of laboratory site resources and a plurality of scattered devices is saved; by adopting the vernier principle, the operation error brought by shaking generated by manually supporting the measuring tool by an operator is eliminated, and the operation error has great influence during high-precision measurement. The device realizes the function set of the digital display vernier caliper, the comparator, the standard length rod and the dial indicator, and effectively realizes the quick, accurate and stable measurement of the linear length of the inorganic block material.
Drawings
FIG. 1 is an elevation view of a 1:0.01mm precision measurement detector;
1-horizontal adjusting feet, 2-an instrument base frame, 3-a reference platform, 4-a standard rod placing block, 5-a detachable high-precision filler strip, 6-a tested piece, 7-a digital display vernier ranging ruler, 8-a starting position adjusting positioner, 9-a digital display vernier ranging ruler measuring end point position adjusting positioner 1, 10-a digital display vernier ranging ruler reading display, 13-a test piece supporting rod and 16-a tested piece pre-embedded measuring head;
FIG. 2 is an elevation view of a 1:0.001mm precision measurement detector;
4-a standard rod placing block, 6-a tested test piece, 11-a digital display vernier ranging caliper measuring end point position adjusting positioner 2, 12-a digital display dial indicator and 13-a test piece supporting rod;
FIG. 3 is a plan view of the detector;
7-digital display vernier ranging rod, 10-digital display vernier ranging rod reading display and 14-standard measuring rod placing block fixing groove;
FIG. 4 is a schematic view of a modular rod placement block (including support locator rods);
4-standard rod placing block, 15-standard measuring rod;
FIG. 5 is a schematic view of the combined structure of a digital display vernier ranging caliper measurement end point position adjusting positioner, a digital display vernier ranging caliper reading display and a digital display micrometer;
9-digital display vernier ranging rod measurement end point position adjusting positioner 1; 10-digital display vernier ranging rod reading display; 11-digital display vernier ranging rod measurement end point position adjusting positioner 2; 12-digital display dial gauge.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
In the embodiment, the adopted data is a preferred scheme, but is not used for limiting the invention;
as shown in fig. 1-5, the present embodiment provides a hard inorganic block material linear shrinkage-hygroexpansion detector, which includes a horizontal adjustment foot, an instrument base frame, a reference platform, a standard rod placement block, a detachable high-precision filler strip, a test piece to be tested, a pre-embedded measuring head of the test piece to be tested, a digital display vernier ranging ruler, a starting position adjusting positioner, digital display vernier ranging ruler measurement end position adjusting positioners 1 and 2, a digital display vernier ranging ruler reading display, a digital display micrometer, a test piece support rod, a standard rod placement block fixing groove, and a standard measuring rod, wherein the structure is made of stainless steel;
example 1
As shown in fig. 1, the accuracy of the initial dimension of the partition wall batten is measured with 0.01 mm;
firstly, placing a tested piece on a test piece supporting rod; adjusting a starting position adjusting positioner and an ending position adjusting positioner of the digital display vernier ranging ruler according to the lowest positions of the test points of the same group of test pieces, and using the test heights to meet the height requirements of the test points of the same group of test pieces; simultaneously, the positioner is attached to the two measuring surfaces, and then the digital display vernier ranging ruler reading display is set to zero to measure, so that a measuring result with the accuracy of 0.01mm is obtained;
example 2
As shown in fig. 2, the dimensional measurement of the partition wall slat after drying shrinkage with an accuracy of 0.001 mm;
mounting or dismounting a high-precision cushion strip at a start-measuring end according to measurement requirements, and if a measuring point is positioned in the middle of the concave surface of the test piece, mounting the detachable high-precision cushion strip; if the test piece is in the middle of the convex surface, the detachable high-precision filler strip can be reserved or detached according to the test process, and the measurement precision requirement of the test piece with the irregular shape is met through the detachable high-precision filler strip;
furthermore, a micrometer is arranged on the adjusting positioner 2 for the measuring end point position of the digital display vernier ranging rod, and the micrometer is arranged on the adjusting positioner for the measuring end point position of the digital display vernier ranging rod, so that the measuring accuracy is directly changed, and different measuring accuracy requirements are realized; adjusting the height of the measuring end point of the digital display vernier ranging ruler according to the lowest position of the measuring points of the same group of test pieces to accord with the measuring point position;
furthermore, the digital display vernier ranging ruler is moved to enable the digital display vernier ranging ruler to adjust the position of the measurement end point to be attached to the standard measuring rod and to be compressed to the middle part of the measurement range, the micrometer is set to be zero, the standard measuring rod is taken down and replaced by a test piece supporting rod, the test piece to be measured can be placed for measurement, and the measured value is added with the standard measuring rod value to obtain the length value of the test piece;
the standard measuring rod is placed in the fixing groove of the standard measuring rod placing block, the detachable high-precision filler strip and the groove of the detachable high-precision filler strip are central lines measured by an instrument, and the linear measuring points of the test piece are ensured to be relatively fixed;
in the embodiment, the test piece supporting and positioning rod is arranged on the standard rod placing block, and the test piece and the initial measuring position are ensured to be as same as possible when the same test piece is moved and placed for multiple times and measured in a mode of scribing equidistant marked lines on the lower surface of the test piece;
in the embodiment, when the measurement is carried out at any middle position of the instrument, in order to ensure that the secondary placement measurement position of a test piece to be measured is unchanged, a test piece marking plate is used for drawing a supporting marking line on the lower surface of the test piece according to the length of the tested test piece, and a test piece supporting positioning rod is placed according to the marking line; and placing the test piece on the supporting and positioning rod, and adjusting the starting position adjusting positioner 1 or 2 of the digital display vernier ranging ruler and the measuring end position adjusting positioner 1 or 2 of the digital display vernier ranging ruler according to the height of the measuring point to enable the height to meet the requirement of the measuring point.
Therefore, linear measurement of any object with different precision requirements in the measuring range of the digital display vernier can be realized; if any part in the middle of the ruler is required to be used, two marking lines equidistant to the supporting and positioning rod can be pre-drawn on the lower surface of the test piece, so that the placing point position of the test piece is relatively fixed during secondary measurement, and the test result is more accurate;
after the detection is finished, the test piece is taken down to clean dust and ash, and the cotton yarn dipped with oil is used for wiping off all parts to prevent rusting or form blockage for the next use. Each part of the detector is simple in structure, the detection process is completed in a quick, convenient and simple mode, and the detection data is accurate and efficient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a linear shrinkage-wet swell detector of stereoplasm inorganic block material, its characterized in that, the detector includes instrument bed frame (2), it sets up to dismantle high accuracy filler strip (5) to play the end of surveying in instrument bed frame (2), and high accuracy filler strip (5) pass through the screw connection on instrument bed frame (2).
2. The apparatus according to claim 1, wherein the apparatus base frame (2) is provided with a horizontal adjusting foot (1) at the bottom; the instrument base frame (2), the horizontal adjusting foot (1) and the reference platform (3) jointly form a horizontal supporting surface of the detector, a standard measuring rod is placed on the horizontal supporting surface to place the block (4), the standard measuring rod is placed on the upper surface of the block and is sunken downwards to form equidistant standard measuring rod placing block fixing grooves (14), and the standard measuring rod is placed on the block fixing grooves (14) to be used for placing a test piece supporting positioning rod (13) or a standard measuring rod (15).
3. The linear shrinkage-hygrostat for hard inorganic block material according to claim 2, wherein the standard measuring bar placing block (4) is placed above the test piece (6), two ends of the test piece (6) extend outwards to form a pre-embedded measuring head (16) of the test piece, and the lower surface of the test piece (6) is in contact with the test piece supporting and positioning rod (13) or the standard measuring bar (15).
4. The linear shrinkage-hygrostat for the hard inorganic block material according to claim 1, wherein the upper end of the detector is provided with a digital vernier ranging ruler (7), the starting end of the digital vernier ranging ruler (7) is provided with a digital vernier ranging ruler starting position adjusting positioner (8), and the positioner is clamped downwards with the tested piece (6); the terminal of the digital display vernier ranging rod (7) is provided with a digital display vernier ranging rod terminal position adjusting positioner 1 (9).
5. The linear shrinkage-swelling detector according to claim 3, wherein the pre-embedded measuring head (16) of the tested sample is connected with the detachable high-precision filler strip (5) at one end and the digital display vernier ranging ruler terminal position adjusting positioner 2(11) at the other end.
6. The linear shrinkage-hygrostat of hard inorganic block material according to claim 4, characterized in that the digital display vernier caliper (7) and the digital display vernier caliper end point position adjusting positioner 1(9) form a bracket connection digital display vernier caliper reading display (10), and the digital display vernier caliper end point position adjusting positioner 1(9) and the digital display vernier caliper end point position adjusting positioner 2(11) form a bracket connection digital display micrometer (12).
7. The method for using the hard inorganic block material linear dry shrinkage-wet expansion detector according to any one of claims 1 to 6, wherein the detection process of the detector is as follows:
firstly, the measurement accuracy is 0.01 mm; placing a tested test piece (6) on a test piece support rod (13), adjusting a starting position adjusting positioner (8) of the digital display vernier ranging ruler and an ending position adjusting positioner 1(9) of the digital display vernier ranging ruler, wherein the heights of the two adjusted positioners accord with the measuring point position, the positioners are attached to two measuring surfaces at the same time, and then, setting a reading display (10) of the digital display vernier ranging ruler to zero for measurement;
secondly, the measurement accuracy is 0.001 mm; firstly, a detachable high-precision filler strip (5) is installed or removed at a measuring end according to measurement requirements, a standard measuring rod (15) is placed on a standard measuring rod placing block (4), a dial indicator (12) is installed on a digital display vernier ranging caliper measuring end point position adjusting positioner 2(11), and the height of the digital display vernier ranging caliper measuring end point position adjusting positioner 2(11) is in line with a measuring point position; the digital display vernier ranging rod measurement end point position adjusting positioner 2(11) is attached to a standard measuring rod (15) by moving the digital display vernier ranging rod (7) and is compressed to the middle part of a measuring range, the dial indicator (12) is set to zero, the standard measuring rod (15) is taken down and replaced by a test piece support rod (13), a tested test piece (6) can be placed to be measured, and the measured value is added with the standard measuring rod (15) value to obtain a test piece length value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010498506.5A CN111504156A (en) | 2020-06-04 | 2020-06-04 | Linear dry shrinkage-wet expansion detector for hard inorganic block material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010498506.5A CN111504156A (en) | 2020-06-04 | 2020-06-04 | Linear dry shrinkage-wet expansion detector for hard inorganic block material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983204A (en) * | 2020-08-27 | 2020-11-24 | 中冶武汉冶金建筑研究院有限公司 | Masonry molding refractory mortar shrinkage testing tool and testing method |
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2020
- 2020-06-04 CN CN202010498506.5A patent/CN111504156A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983204A (en) * | 2020-08-27 | 2020-11-24 | 中冶武汉冶金建筑研究院有限公司 | Masonry molding refractory mortar shrinkage testing tool and testing method |
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