CN220671206U - Portable concrete setting time tester - Google Patents
Portable concrete setting time tester Download PDFInfo
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- CN220671206U CN220671206U CN202321850230.8U CN202321850230U CN220671206U CN 220671206 U CN220671206 U CN 220671206U CN 202321850230 U CN202321850230 U CN 202321850230U CN 220671206 U CN220671206 U CN 220671206U
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- test
- round steel
- setting time
- mounting
- barrel
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- 238000012360 testing method Methods 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 20
- 230000035515 penetration Effects 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000007589 penetration resistance test Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a portable concrete setting time tester; belongs to the technical field of concrete quality detection; the technical key point of the device comprises a round steel cylinder and a mounting plate, wherein the upper end of the round steel cylinder is detachably connected with a cylinder cover, a plurality of test barrels are detachably connected in the round steel cylinder at intervals along the circumferential direction, and test ports which are in one-to-one correspondence with the test barrels are formed in the cylinder cover; the top of the mounting plate is detachably connected with a pressure gauge, the bottom of the pressure gauge is connected with a measuring needle which is arranged along the vertical direction and is matched with the test port, and the top of the mounting plate is fixedly connected with a handle which is in an inverted U shape; the utility model aims to provide a portable concrete setting time tester which has a compact structure and is beneficial to site use; for testing the setting time of the concrete.
Description
Technical Field
The utility model relates to the technical field of concrete quality detection, in particular to a portable concrete setting time tester.
Background
The setting time of concrete is an important index for evaluating the performance of the concrete and is also a key parameter which must be mastered in the construction of the concrete. Therefore, accurate determination of concrete setting time is of great importance in ensuring quality and safety of concrete structures. At present, a penetration resistance method is mainly adopted to determine the setting time of concrete; at least three mortar sample cartridges with covers are needed for testing; placing the mortar sample tube on a penetration resistance instrument, enabling the end part of the measuring needle to be in contact with the surface of the mortar, uniformly enabling the measuring needle to penetrate into the mortar within 10 s+/-2 s to a depth of 25 mm+/-2 mm, and recording the maximum penetration resistance value to be accurate to 10N; the test time was recorded to the nearest lmin. Each mortar sample tube measures 1-2 points each time, the distance between each measuring point is not smaller than 15mm, and the distance between each measuring point and the tube wall is not smaller than 25mm. The penetration resistance test of each sample should not be less than 6 times (6-12 points) until the penetration resistance per unit area is greater than 28 MPa.
The above test method requires at least three mortar cartridges with caps, and each cartridge requires a separate penetration resistance apparatus and needle. However, the construction site is generally relatively simple and bad, and cannot have good environment like a laboratory, so that the existing concrete setting time testing method requires more parts, is not convenient and fast enough to use, and is not beneficial to the construction site.
Disclosure of Invention
The utility model aims to provide a portable concrete setting time tester which is compact in structure and beneficial to site use and aims to overcome the defects of the prior art.
The technical scheme of the utility model is realized as follows: the portable concrete setting time tester comprises a round steel cylinder and a mounting plate, wherein the upper end of the round steel cylinder is detachably connected with a cylinder cover, a plurality of test barrels are detachably connected in the round steel cylinder at intervals along the circumferential direction, and test ports corresponding to the test barrels one by one are formed in the cylinder cover;
the top at the mounting panel can be dismantled and be connected with the manometer, be connected with along vertical direction setting and with the measuring needle that the test port suited in the bottom of manometer, be connected with the handle that is the shape of falling U at the top fixedly connected with of mounting panel.
In the portable concrete setting time tester, the two sides of the cylinder cover are provided with the strip-shaped positioning clamping grooves, and the two sides of the round steel cylinder are fixedly connected with the positioning clamping blocks which are matched with the strip-shaped positioning clamping grooves; the cylinder cover is detachably connected with the round steel cylinder through the matching of the strip-shaped positioning clamping groove and the positioning clamping block.
In the portable concrete setting time tester, the test barrel is in a conical shape with a wide upper part and a narrow lower part, a placing groove is fixedly connected to the inner bottom of the round steel barrel, the lower end of the test barrel is movably inserted into the placing groove along the vertical direction, and a positioning sleeve movably sleeved at the upper end of the test barrel is fixedly connected to the bottom of the barrel cover; the test barrel is detachably connected with the round steel cylinder through the matching of the placing groove and the locating sleeve.
In the portable concrete setting time tester, the number of the test ports is at least 6, and the horizontal distance between the test ports and the wall of the test barrel is at least 25mm.
In the portable concrete setting time tester, an I-shaped mounting block is fixedly connected between the pressure gauge and the measuring needle, a mounting through groove which is matched with the mounting block is formed in the mounting plate, and the mounting block is movably inserted into the mounting through groove along the horizontal direction and is fixed with the mounting plate through a bolt; the manometer is detachably connected with the mounting plate through the cooperation of the mounting block, the mounting through groove and the bolt.
In the portable concrete setting time tester, the diameter of the test port is 2-3 times of that of the measuring needle, guide holes are respectively formed in cylinder covers on the periphery of each test port, and the bottom of the mounting plate is fixedly connected with a guide rod which movably penetrates through the guide holes along the vertical direction.
After the structure is adopted, the round steel cylinder, the cylinder cover and the measuring needle are respectively arranged, and then the measuring needle passes through one test port and is inserted into a concrete sample in the test barrel at intervals by the mutual matching between each test barrel and each test port, so that the concrete setting time test is carried out. Because the concrete samples in each test barrel are the same, and the test needle cannot influence the samples in other test barrels when being inserted into the concrete samples in the test barrels, the measurement result is accurate. The utility model has compact structure, does not need to use a plurality of mortar sample barrels with covers and a plurality of penetration resistance meters and measuring pins, thus being very convenient to use and suitable for the crude environment of the construction site.
Drawings
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of the mounting plate structure of the present utility model;
fig. 5 is a partially enlarged schematic view at B in fig. 4.
In the figure: 1. a round steel cylinder; 2. a mounting plate; 3. a cylinder cover; 4. a test barrel; 5. a pressure gauge; 6. a measuring needle; 7. a handle; 8. a strip-shaped positioning clamping groove; 9. positioning a clamping block; 10. a placement groove; 11. a positioning sleeve; 12. a mounting block; 13. installing a through groove; 14. a guide hole; 15. a guide rod; 16. and a test port.
Detailed Description
Referring to fig. 1 to 5, the portable concrete setting time tester provided by the utility model comprises a round steel cylinder 1 and a mounting plate 2, wherein other parts in the device are basically arranged on the round steel cylinder 1 or the mounting plate 2, the structure is compact, the use is very convenient, and the portable concrete setting time tester is very suitable for being used in a crude environment of a construction site. The upper end of the round steel cylinder 1 is detachably connected with a cylinder cover 3, in particular, two sides of the cylinder cover 3 are provided with strip-shaped positioning clamping grooves 8, two sides of the round steel cylinder 1 are fixedly connected with positioning clamping blocks 9 which are matched with the strip-shaped positioning clamping grooves 8, and the positions between the cylinder cover 3 and the round steel cylinder 1 can be positioned through the mutual matching between the strip-shaped positioning clamping grooves 8 and the positioning clamping blocks 9, so that a test port 16 can be aligned with a test barrel 4; the cylinder cover 3 is detachably connected with the round steel cylinder 1 through the matching of the strip-shaped positioning clamping groove 8 and the positioning clamping block 9, the structure is simple, the cylinder cover 3 is directly sleeved on the top of the round steel cylinder 1, and the positioning is performed through the matching of the strip-shaped positioning clamping groove 8 and the positioning clamping block 9; when the test barrel 4 in the round steel barrel 1 is required to be taken and placed, the barrel cover 3 is directly moved upwards to be separated from the round steel barrel 1.
A plurality of test barrels 4 are detachably connected in the round steel cylinder 1 at intervals along the circumferential direction, and concrete samples can be filled in the test barrels 4. Specifically, the test barrel 4 is tapered with a wide upper part and a narrow lower part, so that the test barrel is convenient to insert into the placing groove 10, and meanwhile, the positioning sleeve 11 is convenient to sleeve on the test barrel 4. A placing groove 10 is fixedly connected to the inner bottom of the round steel cylinder 1, the lower end of the test barrel 4 is movably inserted into the placing groove 10 along the vertical direction, and a positioning sleeve 11 movably sleeved at the upper end of the test barrel 4 is fixedly connected to the bottom of the cylinder cover 3; the test barrel 4 is detachably connected with the round steel cylinder 1 through the matching of the placing groove 10 and the positioning sleeve 11, the structure is simple, the use is convenient, and after the cylinder cover 3 is removed, the test barrel 4 can be directly placed in the placing groove 10 or can be pulled out from the placing groove 10.
The cylinder cover 3 is provided with test ports 16 which are in one-to-one correspondence with the test barrels 4, so that the test needle 6 can conveniently pass through. A pressure gauge 5 is detachably connected to the top of the mounting plate 2, and the resistance value of the measuring needle inserted into the concrete sample can be measured. The bottom of the pressure gauge 5 is connected with a measuring needle 6 which is arranged along the vertical direction and is matched with the test port 16, the top of the mounting plate 2 is fixedly connected with a handle 7 which is in an inverted U shape, and the pressure gauge is convenient for workers to operate, so that the measuring needle 6 can penetrate through the test port 16 and be inserted into a concrete sample in the test barrel 4.
Further, at least 6 test ports 16 are provided, so that the penetration resistance test of the concrete sample is not less than 6 times, and the accuracy of the test result is ensured. The horizontal distance between the test port 16 and the wall of the test barrel 4 is at least 25mm, so that the measuring needle 6 cannot be inserted into the concrete sample close to the wall of the test barrel 4, and the accuracy of the test result is ensured.
Specifically, an i-shaped mounting block 12 is fixedly connected between the pressure gauge 5 and the measuring needle 6, a mounting through groove 13 which is adapted to the mounting block 12 is formed in the mounting plate 2, and the mounting block 12 is movably inserted into the mounting through groove 13 along the horizontal direction and is fixed with the mounting plate 2 through bolts; the pressure gauge 5 is detachably connected with the mounting plate 2 through the cooperation of the mounting block 12, the mounting through groove 13 and the bolts. When the measuring needle 6 needs to be cleaned, the bolts are removed firstly, and then the mounting block 12 is horizontally pulled out from the mounting through groove 13, so that the pressure gauge 5 and the measuring needle 6 can be separated from the mounting plate 2.
Further, the diameter of the test port 16 is 2-3 times that of the probe 6, and when the probe 6 is drawn out, the concrete stained on the surface of the probe 6 is not easy to smear to the test port 16. The cylinder covers 3 at the periphery of the test ports 16 are respectively provided with a guide hole 14, and the bottom of the mounting plate 2 is fixedly connected with a guide rod 15 which passes through the guide holes 14 along the vertical direction. Because the diameter of the test port 16 is larger than that of the probe 6, in order to prevent the concrete stained on the surface of the probe 6 from being smeared on the test port 16, the probe 6 is guided by the cooperation of the guide hole 14 and the guide rod 15, so that the probe 6 can only move along the designated vertical direction, and the concrete stained on the surface of the probe 6 is not easy to smear on the test port 16.
When the concrete sample testing device is used, concrete samples are filled into the testing barrels 4, then the testing barrels 4 are placed into the corresponding placing grooves 10 one by one, then the barrel cover 3 is covered, and the positions of the barrel cover 3 are positioned through the matching of the strip-shaped positioning clamping grooves 8 and the positioning clamping blocks 9, so that the positioning sleeves 11 can be sleeved at the upper ends of the corresponding testing barrels 4.
At normal temperature, the common concrete starts to be measured after 2-5 hours, the measuring needle 6 is uniformly inserted into one of the test ports 16 within 10s plus or minus 2s, and the concrete sample is penetrated to a depth of 25mm plus or minus 2mm, and the maximum penetration resistance value is recorded and is accurate to 10N; the test time was recorded to the nearest lmin. And measuring every 0.5-2 hours later, and inserting the measuring needle 6 into the other testing port 16 during the test until the penetration resistance of the unit area is more than 28MPa, so as to calculate the final setting time of the concrete.
The above examples are provided for convenience of description of the present utility model and are not to be construed as limiting the utility model in any way, and any person skilled in the art will make partial changes or modifications to the utility model by using the disclosed technical content without departing from the technical features of the utility model.
Claims (6)
1. The portable concrete setting time tester comprises a round steel cylinder (1) and a mounting plate (2), and is characterized in that the upper end of the round steel cylinder (1) is detachably connected with a cylinder cover (3), a plurality of test barrels (4) are detachably connected in the round steel cylinder (1) at intervals along the circumferential direction, and test ports (16) corresponding to the test barrels (4) one by one are formed in the cylinder cover (3);
the top of mounting panel (2) can be dismantled and be connected with manometer (5), be connected with in the bottom of manometer (5) along vertical direction setting and with test port (16) suited measuring needle (6), be fixedly connected with at the top of mounting panel (2) and be handle (7) of falling the U-shaped.
2. The portable concrete setting time tester according to claim 1, wherein the two sides of the cylinder cover (3) are provided with strip-shaped positioning clamping grooves (8), and two sides of the round steel cylinder (1) are fixedly connected with positioning clamping blocks (9) which are matched with the strip-shaped positioning clamping grooves (8); the cylinder cover (3) is detachably connected with the round steel cylinder (1) through the matching of the strip-shaped positioning clamping groove (8) and the positioning clamping block (9).
3. The portable concrete setting time tester according to claim 1, wherein the test barrel (4) is in a conical shape with a wide upper part and a narrow lower part, a placing groove (10) is fixedly connected to the inner bottom of the round steel barrel (1), the lower end of the test barrel (4) is movably inserted into the placing groove (10) along the vertical direction, and a positioning sleeve (11) movably sleeved on the upper end of the test barrel (4) is fixedly connected to the bottom of the barrel cover (3); the test barrel (4) is detachably connected with the round steel cylinder (1) through the matching of the placing groove (10) and the positioning sleeve (11).
4. A portable concrete setting time tester according to claim 1, characterized in that the number of the test ports (16) is at least 6, and the horizontal distance between the test ports (16) and the wall of the test barrel (4) is at least 25mm.
5. The portable concrete setting time tester according to claim 1, wherein an i-shaped mounting block (12) is fixedly connected between the pressure gauge (5) and the measuring needle (6), a mounting through groove (13) which is matched with the mounting block (12) is formed in the mounting plate (2), and the mounting block (12) is movably inserted into the mounting through groove (13) along the horizontal direction and is fixed with the mounting plate (2) through a bolt; the pressure gauge (5) is detachably connected with the mounting plate (2) through the cooperation of the mounting block (12), the mounting through groove (13) and the bolts.
6. The portable concrete setting time tester according to claim 1, wherein the diameter of the test port (16) is 2-3 times of the diameter of the measuring needle (6), guide holes (14) are respectively arranged on the cylinder cover (3) at the periphery of each test port (16), and a guide rod (15) which passes through the guide holes (14) in a movable manner along the vertical direction is fixedly connected to the bottom of the mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850230.8U CN220671206U (en) | 2023-07-13 | 2023-07-13 | Portable concrete setting time tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850230.8U CN220671206U (en) | 2023-07-13 | 2023-07-13 | Portable concrete setting time tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671206U true CN220671206U (en) | 2024-03-26 |
Family
ID=90344182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321850230.8U Active CN220671206U (en) | 2023-07-13 | 2023-07-13 | Portable concrete setting time tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671206U (en) |
-
2023
- 2023-07-13 CN CN202321850230.8U patent/CN220671206U/en active Active
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