CN216208735U - Mortar free expansion rate absolute humidity and water-nutrient double-measuring device - Google Patents
Mortar free expansion rate absolute humidity and water-nutrient double-measuring device Download PDFInfo
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- CN216208735U CN216208735U CN202122727011.8U CN202122727011U CN216208735U CN 216208735 U CN216208735 U CN 216208735U CN 202122727011 U CN202122727011 U CN 202122727011U CN 216208735 U CN216208735 U CN 216208735U
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Abstract
The utility model discloses a mortar free expansion rate absolute humidity and water culture double-detection device which comprises a detection table, wherein four groups of detection boxes are arranged at the upper end of the detection table, two groups of detection boxes are used for detecting the expansion rate of mortar in an absolute humidity state, and the other two groups of detection boxes are used for detecting the expansion rate of mortar in a water culture state. According to the utility model, the first pressure sensor is arranged on the surface of the mortar test block, the pressure sensor is tightly attached to the upper end of the mortar test block by utilizing the contraction spring and the connecting rod, and the pressure sensors around the mortar test block are matched, so that not only can the transverse expansion parameter of the mortar test block be measured, but also the vertical parameter of the mortar test block can be measured, and meanwhile, the second pressure sensor is arranged in the mortar test block, so that the expansion parameter in the mortar test block can be measured, and the measurement result can be more accurate; through set up the collecting vat on examining test table surface, cooperation honeycomb duct is convenient to be cleared up the water stain and other debris that examine test table surface, is favorable to concentrating to collect the processing to debris.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a mortar free expansion rate absolute humidity and water-nutrient double-detection device.
Background
Along with the rise and development of cement materials, the application of high-strength and high-performance cement mortar is increasing, wherein the volume stability of the cement mortar is a prominent problem affecting the durability and service life of the cement mortar. At present, the volume stability of cement mortar is evaluated mainly by testing the free expansion rate in China, and the corresponding testing method mainly refers to the JGJ/T70-2009 standard of 'basic performance testing method of building mortar' to test, but the testing method is only limited to the determination of the natural drying shrinkage condition of the mortar and cannot realize the double test of absolute humidity and water culture; meanwhile, the volume change rate of the cement mortar at each moment can be only collected discontinuously, namely the free expansion rate of the cement mortar is collected within the set time, and the volume change of the cement mortar is a relatively linear change process, so that the test block needs to be tested continuously, the development condition of the volume change of the mortar can be accurately represented, and therefore, the absolute humidity and water-nutrient double-measurement device for the free expansion rate of the mortar is provided.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a device for measuring the free expansion rate of mortar without humidity and water culture, which aims to solve the problem of inaccurate measurement result caused by irregular expansion in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a mortar free expansion rate is wet absolutely and two survey devices are supported to water, is including examining test table, the upper end of examining test table is provided with four groups detection case, and the structure of every group detection case, size are the same, the detection case is equidistant range along the surface of examining test table, and wherein two sets of mortar expansion rates under being used for detecting the wet state absolutely, two sets of mortar expansion rates under being used for detecting the water state of supporting in addition carry out the expansion rate survey to mortar under the wet state of keeping absolutely and the water state of supporting simultaneously, and the survey under the different states has the reference contrast for survey structure has the referential more.
Furthermore, a mortar test block is placed on the inner side of the detection box, a pressure sensor is connected between the detection box and the mortar test block and the upper end of the mortar test block, the pressure sensor is made of soft elastic materials, the pressure sensor can have elasticity by utilizing the soft elastic materials and can be extruded when the mortar test block expands, so that the transverse expansion parameters of the mortar test block can be measured by the pressure sensor, the pressure sensor between the detection box and the mortar test block is attached to the inner wall of the detection box and the surface of the mortar test block, a cover plate is arranged at the upper end of the detection box, the size of the cover plate is larger than the opening of the detection box, the pressure sensor at the upper end is connected with the cover plate, is connected with the pressure sensor through the cover plate and is covered at the upper end of the detection box, so that the pressure sensor can be attached to the upper surface of the mortar test block, the vertical expansion parameter of the mortar test block can be measured.
Furthermore, a plurality of groups of through holes are formed in the surface of the cover plate at equal intervals and used for installing a second pressure sensor, the through holes penetrate through the first pressure sensor at the upper end and extend to the inner side of the mortar test block, the second pressure sensor is arranged on the inner side of the through holes and can measure expansion parameters inside the mortar test block, and the second pressure sensor is of a columnar structure and made of soft elastic materials.
Further, the rear end of examining test table passes through welding mode fixedly connected with support frame, and is fixed through welding mode, can improve the support frame and examine the stability between the test table, data processing setting is installed to the upper end of support frame for handle the mortar test block expansion parameter that records, data processing sets up and all passes through wire signal connection with a pressure sensor and No. two pressure sensor, makes things convenient for data transmission.
Further, the detection case with detect test table fixed connection, and all be provided with the shrink spring in the front and back end of detection case, the shrink spring passes through the connecting seat and installs the upper end at detecting the test table, the lower extreme of apron is close to the fixed position of shrink spring and has the connecting rod to the round hole has been seted up at the lower extreme of connecting rod, the upper end of shrink spring extends to in the round hole, and with connecting rod swing joint, through shrink spring and connecting rod, can apply the pulling force to the apron for the apron drives attached in mortar test block upper end No. one pressure sensor.
Further, the lower extreme of apron all is provided with the guide post near the front and back end position department of detection case, can play the guide effect when apron rebound, can be so that the removal of apron is more stable, and the guide post is the half-cylinder structure, the guide way has been seted up to the junction that the front and back end surface of detection case corresponds the guide post, the shape of guide way, size and guide post coincide, and the arc surface of guide post and the inner wall laminating of guide way can let the guide post remove along the guide way.
Further, examine the upper end of test table and seted up the collecting vat, can let and examine the debris or the water stain along the collecting vat on test table surface and collect, and the inboard of collecting vat is the half-circular arc structure, the lower extreme that examines the test table is close to both sides position and is connected with the honeycomb duct, the honeycomb duct runs through in the collecting vat to utilize the honeycomb duct to carry debris to the collection device in with the collecting vat intercommunication and concentrate the collection processing.
Furthermore, the supporting legs are arranged at the corners of the lower end of the detection table in a welding mode, the balance of the detection table can be kept, the stability of the detection table is improved, and the supporting legs are four groups and are arranged in a rectangular array mode.
The utility model has the following advantages:
(1) according to the mortar test block, the first pressure sensor is arranged on the surface of the mortar test block, the pressure sensor is tightly attached to the upper end of the mortar test block through the contraction spring and the connecting rod, and the pressure sensors around the mortar test block are matched, so that not only can the transverse expansion parameter of the mortar test block be measured, but also the vertical parameter of the mortar test block can be measured, meanwhile, the second pressure sensor is arranged in the mortar test block, the expansion parameter in the mortar test block can be measured, and the measurement result can be more accurate.
(2) According to the utility model, the collecting tank is arranged on the surface of the detection platform and matched with the flow guide pipe, so that water stains and other sundries on the surface of the detection platform can be conveniently cleaned, and the sundries can be favorably collected and treated in a centralized manner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure of a mortar free expansion rate moisture insulation and water-nutrient double-measurement device provided by the utility model;
FIG. 2 is a top view of a mortar free expansion rate moisture insulation and water-nutrient double-measurement device provided by the utility model;
FIG. 3 is a schematic view of a partial structure of a mortar free expansion rate moisture insulation and water-nutrient double-measurement device provided by the utility model;
FIG. 4 is a cross-sectional view of the interior of a detection box in the mortar free expansion rate moisture insulation and water-nutrient double detection device provided by the utility model;
FIG. 5 is an explosion diagram of a detection box in the mortar free expansion rate and moisture insulation and water-nutrient double detection device provided by the utility model.
In the figure: 1. a detection table; 2. supporting legs; 3. a detection box; 4. a first pressure sensor; 5. testing mortar blocks; 6. a cover plate; 7. a connecting rod; 8. a retraction spring; 9. a guide post; 10. a guide groove; 11. a through hole; 12. a second pressure sensor; 13. collecting tank; 14. a flow guide pipe; 15. a support frame; 16. and (4) setting data processing.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a mortar free expansion rate absolute humidity and water-nutrient double-detection device comprises a detection table 1, four groups of detection boxes 3 are arranged at the upper end of the detection table 1, and each group of detection boxes 3 has the same structure and size, wherein two groups of detection boxes are used for detecting the mortar expansion rate in an absolute humidity state, the other two groups of detection boxes are used for detecting the mortar expansion rate in a water-nutrient state, the detection boxes 3 are arranged at equal intervals along the surface of the detection table 1, mortar test blocks 5 are placed on the inner side of the detection boxes 3, a pressure sensor 4 is connected between the detection boxes 3 and the mortar test blocks 5 and at the upper ends of the mortar test blocks 5, the pressure sensor 4 is made of a soft elastic material, and the pressure sensor 4 between the detection boxes 3 and the mortar test blocks 5 is attached to the inner wall of the detection boxes 3 and the surface of the mortar test blocks 5.
When the expansion rate of the mortar test block 5 is measured, the molded mortar test block 5 is placed into all the detection boxes 3 in advance, then the mortar test block 5 is attached to the first pressure sensor 4, then water is added into two groups of the detection boxes 3 until the water completely does not pass through the mortar test block 5, and the transverse expansion parameter of the mortar test block 5 can be measured when the mortar test block 5 expands or contracts.
The upper end of detection case 3 is provided with apron 6, and the size of apron 6 is greater than the uncovered of detection case 3, a pressure sensor 4 and the apron 6 of upper end are connected, and laminate in the upper surface of mortar test block 5, detection case 3 and detection platform 1 fixed connection, and all be provided with shrink spring 8 in the front and back end of detection case 3, shrink spring 8 passes through the connecting seat and installs the upper end at detection platform 1, the lower extreme of apron 6 is close to shrink spring 8's fixed position and installs connecting rod 7, and the round hole has been seted up to the lower extreme at connecting rod 7, shrink spring 8's upper end extends to in the round hole, and with connecting rod 7 swing joint.
Through shrink spring 8 and connecting rod 7, can exert pulling force to apron 6 for apron 6 is fixed in the upper end of detection case 3, and lets the pressure sensor of upper end attached at the upper surface of mortar test block 5, when mortar test block 5 takes place the inflation or shrink, can survey the vertical inflation parameter of mortar test block 5.
A plurality of groups of through holes 11 are formed in the surface of the cover plate 6 at equal intervals, the through holes 11 penetrate through the first pressure sensor 4 at the upper end and extend to the inner side of the mortar test block 5, a second pressure sensor 12 is arranged on the inner side of each through hole 11, and the second pressure sensor 12 is of a columnar structure and made of a soft elastic material.
Through having the embedded inside mortar test block 5 of elastic No. two pressure sensor 12, when the inside little inflation of taking place of mortar test block 5 or shrink, because horizontal and the unable perception of a pressure sensor of vertical setting, then the inside inflation parameter of mortar test block 5 is measured to No. two pressure sensor 12 of accessible, can make the testing result more accurate.
Detect the rear end of platform 1 and pass through welding mode fixedly connected with support frame 15, data processing sets up 16 is installed to the upper end of support frame 15, data processing sets up 16 and pressure sensor 4 and No. two pressure sensor 12 all through wire signal connection, detect the lower extreme corner of platform 1 and install supporting legs 2 through the welding, can keep detecting the equilibrium of platform 1 through supporting legs 2, make to detect platform 1 more stable, and the quantity of supporting legs 2 is four groups, and be rectangular array and arrange.
The front and rear ends of the lower end of the cover plate 6 close to the detection box 3 are provided with guide posts 9, the guide posts 9 are of a semi-cylindrical structure, the front and rear end surfaces of the detection box 3 correspond to the joints of the guide posts 9, guide grooves 10 are formed in the positions, corresponding to the joints of the guide posts 9, of the front and rear end surfaces of the detection box 3, the shape and the size of each guide groove 10 are matched with the corresponding guide post 9, and the arc surfaces of the guide posts 9 are attached to the inner walls of the guide grooves 10.
When the mortar test block 5 in the detection box 3 vertically expands or contracts, under the elastic action of the contraction spring 8, the cover plate 6 can slide up and down along the guide groove 10 through the guide column 9 by the matching connecting rod 7, and the pressure sensor at the upper end is always attached to the surface of the mortar test block 5, so that the measuring structure is more accurate.
Examine the upper end of test table 1 and seted up collecting vat 13, and collecting vat 13's inboard is the half-circular arc structure, and the lower extreme that examines test table 1 is close to both sides position and is connected with honeycomb duct 14, and honeycomb duct 14 runs through in collecting vat 13 to communicate with collecting vat 13.
When detecting 1 surface of platform and having water stain or other debris, utilize rag or other burnishers to clean up water stain or debris to collecting vat 13 in, flow to honeycomb duct 14 through collecting vat 13, utilize honeycomb duct 14 with debris or water stain drainage to collection device in concentrate to it and collect the processing.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (8)
1. The utility model provides a mortar free expansion rate is wet absolutely and is supported two survey devices with water, is including examining test table (1), its characterized in that: four groups of detection boxes (3) are arranged at the upper end of the detection platform (1), the detection boxes (3) in each group are identical in structure and size, the detection boxes (3) are arranged at equal intervals along the surface of the detection platform (1), two groups of detection boxes are used for measuring the expansion rate of mortar in an absolute wet state, the other two groups of detection boxes are used for measuring the expansion rate of mortar in a water-nutrient state, mortar test blocks (5) are placed on the inner side of the detection boxes (3), a pressure sensor (4) is connected between each detection box (3) and each mortar test block (5) and the upper end of each mortar test block (5), a pressure sensor (4) between each detection box (3) and each mortar test block (5) is attached to the inner wall of each detection box (3) and the surface of each mortar test block (5), a cover plate (6) is arranged at the upper end of each detection box (3), and the size of each cover plate (6) is larger than the opening of each detection box (3), the first pressure sensor (4) at the upper end is connected with the cover plate (6).
2. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 1, characterized in that: the first pressure sensor (4) is made of soft elastic materials.
3. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 1, characterized in that: a plurality of groups of through holes (11) are formed in the surface of the cover plate (6) at equal intervals, the through holes (11) penetrate through the pressure sensor (4) at the upper end and extend to the inner side of the mortar test block (5), a second pressure sensor (12) is arranged on the inner side of each through hole (11), and the second pressure sensor (12) is of a columnar structure and is made of soft elastic materials.
4. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 3, characterized in that: the rear end of detecting platform (1) passes through welding mode fixedly connected with support frame (15), data processing sets up (16) are installed to the upper end of support frame (15), data processing sets up (16) and all passes through wire signal connection with a pressure sensor (4) and No. two pressure sensor (12).
5. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 1, characterized in that: detection case (3) and detection platform (1) fixed connection, and all be provided with shrink spring (8) in the front and back end of detection case (3), shrink spring (8) are installed in the upper end of detecting platform (1) through the connecting seat, the lower extreme of apron (6) is close to the fixed position of shrink spring (8) and is installed connecting rod (7) to the round hole has been seted up to the lower extreme at connecting rod (7), the upper end of shrink spring (8) extends to in the round hole to with connecting rod (7) swing joint.
6. The mortar free expansion rate absolute humidity and water nutrition double-measuring device according to claim 5, characterized in that: the utility model discloses a detection case, including apron (6), front and back end position department that the lower extreme of apron (6) is close to detection case (3) all is provided with guide post (9), and guide post (9) are the semicylinder structure, guide way (10) have been seted up to the junction that the front and back end surface of detection case (3) corresponds guide post (9), the shape of guide way (10), size coincide with guide post (9), and the arc surface of guide post (9) and the inner wall laminating of guide way (10).
7. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 1, characterized in that: examine the upper end of test table (1) and seted up collecting vat (13), and the inboard of collecting vat (13) is the half-circular arc structure, the lower extreme that examines test table (1) is close to both sides position and is connected with honeycomb duct (14), honeycomb duct (14) run through in collecting vat (13) to communicate with collecting vat (13).
8. The mortar free expansion rate moisture insulation and water culture double-measurement device according to claim 1, characterized in that: the supporting legs (2) are installed at the corners of the lower end of the detection table (1) through welding, and the number of the supporting legs (2) is four, and the supporting legs are arranged in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122727011.8U CN216208735U (en) | 2021-11-09 | 2021-11-09 | Mortar free expansion rate absolute humidity and water-nutrient double-measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122727011.8U CN216208735U (en) | 2021-11-09 | 2021-11-09 | Mortar free expansion rate absolute humidity and water-nutrient double-measuring device |
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| Publication Number | Publication Date |
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| CN216208735U true CN216208735U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122727011.8U Active CN216208735U (en) | 2021-11-09 | 2021-11-09 | Mortar free expansion rate absolute humidity and water-nutrient double-measuring device |
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| CN (1) | CN216208735U (en) |
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- 2021-11-09 CN CN202122727011.8U patent/CN216208735U/en active Active
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Address after: 300000 Tianjin Bingang High tech Casting Industrial Zone, Jinghai District, Tianjin Patentee after: Tianjin Guochengtai Material Technology Co.,Ltd. Address before: 300000 bingang high tech Foundry Industrial Zone, Jinghai District, Tianjin Patentee before: Tianjin guochengtai metal wire rope Co.,Ltd. |
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