CN111521763A - Concrete slump testing arrangement for construction - Google Patents
Concrete slump testing arrangement for construction Download PDFInfo
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- CN111521763A CN111521763A CN202010576309.0A CN202010576309A CN111521763A CN 111521763 A CN111521763 A CN 111521763A CN 202010576309 A CN202010576309 A CN 202010576309A CN 111521763 A CN111521763 A CN 111521763A
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- rotating shaft
- threaded sleeve
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims description 8
- 238000009435 building construction Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000203 mixture Substances 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
- 230000000007 visual effect Effects 0.000 description 1
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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
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention is suitable for the technical field of building construction testing devices, and particularly relates to a concrete slump testing device for building construction, which comprises a measuring cylinder, and further comprises a lifting assembly, a base and leveling supporting legs, wherein the upper end of the lifting assembly is connected with the measuring cylinder, the lower end of the lifting assembly is embedded in the base and used for driving the measuring cylinder to lift, the lifting assembly is provided with a height measuring assembly used for measuring the slump of a concrete sample, the leveling supporting legs are arranged at the bottom of the base and used for quickly leveling the base, and an ultrasonic vibration plate is arranged at the position of an inner cavity of the base, which is positioned right below the measuring cylinder. The concrete slump testing device for building construction provided by the embodiment of the invention can realize automatic stirring of a concrete sample to exhaust air in the concrete sample, and further can carry out automatic measurement and recording on the concrete sample, thereby greatly improving the accuracy of a test result and the testing efficiency.
Description
Technical Field
The invention belongs to the technical field of building construction testing devices, and particularly relates to a concrete slump testing device for building construction.
Background
Slump is a method and an index for measuring concrete workability, slump tests are usually carried out in construction sites and laboratories to measure the fluidity of the mixture, and visual experience is used for evaluating the cohesiveness and the water retention. The slump is measured by a quantitative index, and is used for judging whether the construction can be normally carried out.
Slump test method: pouring concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting 25 times along the wall of the bucket from outside to inside by using a tamping hammer after each filling, tamping and leveling. Then the barrel is pulled up, the concrete generates the slump phenomenon due to the dead weight, the height of the highest point of the slump concrete is subtracted from the barrel height (300mm), and the slump is called slump, and if the difference is 10mm, the slump is 10.
In the work progress, people usually adopt the form of full manual work to carry out the test of slump, and in the test process, stir it through the rod, make air discharge wherein, carry out the slump test like this, it is inefficient, and the effect of air discharge is poor, leads to the test result inaccurate.
Disclosure of Invention
The embodiment of the invention aims to provide a concrete slump testing device for building construction, and aims to solve the problem that the test result is inaccurate due to incomplete air discharge in the manual slump testing process.
The embodiment of the invention is realized in such a way that the concrete slump testing device for building construction comprises a measuring cylinder, and further comprises a lifting assembly, a base and leveling supporting legs, wherein the upper end of the lifting assembly is connected with the measuring cylinder, the lower end of the lifting assembly is embedded in the base and used for driving the measuring cylinder to lift, the lifting assembly is provided with a height measuring assembly used for measuring the slump of a concrete sample, the leveling supporting legs are arranged at the bottom of the base and used for quickly leveling the base, and an ultrasonic vibration plate is arranged at a position of an inner cavity of the base, which is positioned right below the measuring cylinder.
Preferably, the lifting assembly comprises a threaded sleeve, a rotating shaft and a lifting motor, the lifting motor is arranged in the base, a main gear is fixed on a rotating shaft of the lifting motor, the rotating shaft is arranged on four corners of the base, the bottom of the rotating shaft is connected with the main gear through a pinion arranged in the base, a threaded rod is arranged at the upper end of the rotating shaft and is connected with an inner cavity of the threaded sleeve in a matched mode, the top of the threaded sleeve is fixedly connected with the outer diameter of the measuring cylinder through a connecting plate, and the height measuring assembly is arranged between the threaded sleeves located on the diagonal line.
Preferably, the height measurement assembly comprises an infrared transmitter and an infrared receiver, the infrared transmitter and the infrared receiver are respectively connected to the threaded sleeve on the diagonal in a sliding mode, and springs are arranged between the infrared transmitter and the threaded sleeve, and between the infrared receiver and the threaded sleeve, the springs are arranged.
Preferably, the bottom of the threaded sleeve is provided with a scraper, the inner diameter of the scraper is the same as the outer diameter of the rotating shaft, and the scraper is used for preventing concrete from entering the inner cavity of the threaded sleeve and scraping the concrete attached to the outer diameter of the rotating shaft.
Preferably, the scraper is a rubber material.
Preferably, the leveling support leg comprises a shell, a center shaft, a ratchet wheel and a coil spring, the center shaft is fixed in the shell, the ratchet wheel is rotatably connected with the center shaft through the coil spring, an external threaded rod is arranged at one end, away from the base, of the ratchet wheel, an internal threaded sleeve is slidably connected to the outside of the shell through a guide groove, a button is further slidably connected to the shell, a first spring is arranged between the button and the shell, a sliding block is slidably connected to one end, located on the shell, of the button, a second spring is arranged between the sliding block and the button, the sliding block is used for driving the ratchet wheel to rotate, a clamping block is further arranged in the shell, the clamping block is slidably connected with a guide pillar arranged on the inner wall of the shell, a third spring.
Preferably, a material guide hopper is arranged at the top of the measuring cylinder.
The concrete slump testing device for building construction provided by the embodiment of the invention can realize automatic stirring of a concrete sample to exhaust air in the concrete sample, and further can carry out automatic measurement and recording on the concrete sample, thereby greatly improving the accuracy of a test result and the testing efficiency.
Drawings
FIG. 1 is a three-dimensional schematic view of a concrete slump testing device for building construction according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a concrete slump testing device for building construction according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a leveling leg according to an embodiment of the present invention;
FIG. 4 is a top view of a concrete slump testing device for building construction according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a leveling leg according to an embodiment of the present invention.
In the drawings: 1. a base; 2. leveling the supporting legs; 3. a lifting assembly; 4. a connecting plate; 5. a material guide hopper; 6. a measuring cylinder; 7. an infrared emitter; 8. an infrared receiver; 9. an ultrasonic vibration plate; 10. a lifting motor; 11. a main gear; 12. a pinion gear; 13. a threaded sleeve; 14. a rotating shaft; 15. a threaded rod; 16. a squeegee; 17. a housing; 18. a button; 19. a first spring; 20. a slider; 21. a second spring; 22. a ratchet wheel; 23. a coil spring; 24. a clamping block; 25. a third spring; 26. guide post, 27, reset rod; 28. an externally threaded rod; 29. an internal thread sleeve; 30. and a guide groove.
Detailed Description
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. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a three-dimensional schematic diagram of a concrete slump testing device for building construction provided by an embodiment of the present invention includes a measuring cylinder 6, the concrete slump testing device for building construction further includes a lifting component 3, a base 1 and leveling legs 2, the upper end of the lifting component 3 is connected with the measuring cylinder 6, the lower end of the lifting component 3 is embedded in the base 1 and is used for driving the measuring cylinder 6 to lift, a height measuring component is arranged on the lifting component 3 and is used for measuring the slump of a concrete sample, the leveling legs 2 are arranged at the bottom of the base 1 and are used for quickly leveling the base 1, and an ultrasonic vibration plate 9 is arranged at a position of an inner cavity of the base 1, which is located right below the measuring cylinder 6.
In the embodiment of the invention, in the measuring process, a concrete sample is introduced into the measuring cylinder 6, the lifting component 3 drives the measuring cylinder 6 to be tightly attached to the upper end face of the base 1, and then the sample in the measuring cylinder 6 is driven to vibrate by the ultrasonic vibration plate 9 arranged in the inner cavity of the base 1, so that the measuring cylinder 6 can be fully filled with the concrete sample, air is discharged, and then the base 1 is adjusted to be horizontal by the leveling supporting legs 2; then the lifting component 3 drives the measuring cylinder 6 to ascend, so that the concrete sample keeps for a preset time in a natural state, the lifting component 3 drives the height measuring component to descend gradually until the height measuring component detects the highest point of the concrete sample, and then the descending height is recorded. The concrete slump testing device for building construction provided by the embodiment of the invention can realize automatic stirring of a concrete sample to exhaust air in the concrete sample, and further can carry out automatic measurement and recording on the concrete sample, thereby greatly improving the accuracy of a test result and the testing efficiency.
As shown in fig. 1, 2, 3, 4 and 5, as a preferred embodiment of the present invention, the lifting assembly 3 includes a threaded sleeve 13, a rotating shaft 14 and a lifting motor 10, the lifting motor 10 is disposed in the base 1, a main gear 11 is fixed on a rotating shaft of the lifting motor 10, the rotating shafts 14 are disposed at four corners of the base 1, and the bottoms of the rotating shafts are connected to the main gear 11 through a pinion 12 disposed in the base 1, a threaded rod 15 is disposed at the upper end of the rotating shaft 14, the threaded rod 15 is fittingly connected to an inner cavity of the threaded sleeve 13, the top of the threaded sleeve 13 is fixedly connected to the outer diameter of the measuring cylinder 6 through a connecting plate 4, and the height measuring assembly is disposed between the threaded sleeves 13 located on the diagonal.
In the embodiment of the invention, during lifting, the lifting motor 10 drives the main gear 11 to rotate, the main gear 11 drives the rotating shaft 14 to rotate through the pinion 12, the rotating shaft 14 drives the threaded rod 15 to rotate, the threaded rod 15 drives the threaded sleeve 13 to ascend, and the threaded sleeve 13 drives the measuring cylinder 6 to ascend through the connecting plate 4, so that the measuring cylinder 6 is separated from concrete in the measuring cylinder.
As shown in fig. 1, 2, 3, 4 and 5, as a preferred embodiment of the present invention, the height measuring assembly includes an infrared transmitter 7 and an infrared receiver 8, the infrared transmitter 7 and the infrared receiver 8 are slidably connected to a threaded sleeve 13 located on a diagonal line, and springs are disposed between the infrared transmitter 7 and the infrared receiver 8 and the threaded sleeve 13.
In the embodiment of the invention, the infrared transmitter 7 and the infrared receiver 8 are arranged on the outer diameter of the bottom of the threaded sleeve 13. When the threaded sleeve 13 is separated from the upper end face of the base 1, the infrared emitter 7 and the infrared receiver 8 still abut against the upper end face of the base 1 under the driving of the spring, after the threaded sleeve 13 moves upwards for a certain distance, the infrared emitter 7 and the infrared receiver 8 are separated from the upper end face of the base 1, when the threaded sleeve 13 reaches the highest point of the upward movement, the infrared emitter 7 and the infrared receiver 8 are located below the measuring device 6, and the infrared emitter 7 and the infrared receiver 8 are higher than the top of the concrete sample; after a period of time, the threaded sleeve 13 moves downwards, and when the infrared receiver 8 cannot receive the infrared signal sent by the infrared transmitter 7, the threaded sleeve 13 stops moving, so that the slump of the current sample is obtained.
As shown in fig. 1, 2, 3, 4 and 5, as a preferred embodiment of the present invention, the bottom of the threaded sleeve 13 is provided with a scraper 16, and the inner diameter of the scraper 16 is the same as the outer diameter of the rotating shaft 14, so as to prevent concrete from entering the inner cavity of the threaded sleeve 13 and scrape off the concrete attached to the outer diameter of the rotating shaft 14.
As shown in fig. 1, 2, 3, 4 and 5, the blade 16 is a rubber material as a preferred embodiment of the present invention.
In the embodiment of the invention, because concrete splashing easily occurs during operation, in order to prolong the service life of the invention, the bottom of the threaded sleeve 13 is provided with the scraper 16, and the inner diameter of the scraper 16 is the same as the outer diameter of the rotating shaft 14, so as to prevent the concrete from entering the inner cavity of the threaded sleeve 13 and scrape the concrete attached to the outer diameter of the rotating shaft 14.
As shown in fig. 1, 2, 3, 4 and 5, as a preferred embodiment of the present invention, the leveling leg 2 includes a housing 1, a center shaft, a ratchet 22 and a coil spring 23, the center shaft is fixed in the housing 1, the ratchet 22 is rotatably connected to the center shaft through the coil spring 23, an external threaded rod 28 is disposed at an end of the ratchet 22 away from the base 1, an internal threaded sleeve 29 is slidably connected to an outside of the housing 1 through a guide groove 30, a button 18 is further slidably connected to the housing 1, a first spring 19 is disposed between the button 18 and the housing 1, a slider 20 is slidably connected to an end of the button 18 located at the housing 1, a second spring 21 is disposed between the slider 20 and the button 18, the slider 20 is used for driving the ratchet 22 to rotate, a latch 24 is further disposed in the housing 1, the latch 24 is slidably connected to a guide post 26 disposed on an inner wall of the housing 1, a third spring 25 is further disposed between the, a reset rod 27 is fixedly connected to the latch 24, and the reset rod 27 extends out of the housing 1.
In the embodiment of the present invention, during leveling, by pressing the button 18, the button 18 will drive the slider 20 to move, the slider 20 drives the ratchet 22 to rotate, during rotation, the thorn on the ratchet 22 will push the slider 20 away from the ratchet 22, and before the button 18 is completely pressed down, the end of the slider 20 away from the button 18 will be disengaged from the thorn, and during this rotation, the thorn on the ratchet 22 will push the fixture block 24 to slide along the guide post 26 until the thorn rotates to the other side of the fixture block 24, according to the above-mentioned process, the button 18 is not pressed once, the ratchet 22 will rotate by a certain angle, the ratchet 22 will also drive the external threaded rod 28 to rotate, and the external threaded rod 28 drives the internal threaded sleeve 29 to slide along the guide groove 30, thereby jacking up the base 1; during the adjustment process, the reset rod 27 can drive the fixture block 24 to be separated from the ratchet wheel 22, so as to contact the limit of the ratchet wheel 22, the ratchet wheel 22 is driven to rotate by the coil spring 23, and the internal thread sleeve 29 is reset.
As shown in fig. 1, 2, 3, 4 and 5, as a preferred embodiment of the present invention, a material guide hopper 5 is provided on the top of the measuring cylinder 6.
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 within the scope of the present invention.
Claims (7)
1. The utility model provides a concrete slump testing arrangement for construction, includes a measuring section of thick bamboo (6), a serial communication port, concrete slump testing arrangement for construction still includes lifting unit (3), base (1) and leveling landing leg (2), lifting unit (3) upper end is connected with a measuring section of thick bamboo (6), the lower extreme embedding sets up in base (1), be used for driving a measuring section of thick bamboo (6) and go up and down, be provided with the height finding subassembly on lifting unit (3), the height finding subassembly is used for measuring the slump of concrete sample, leveling landing leg (2) set up the bottom in base (1), be used for quick with base (1) leveling, base (1) inner chamber is located and measures position under section of thick bamboo (6) and is provided with ultrasonic vibration board (9).
2. The concrete slump testing device for building construction according to claim 1, wherein the lifting component (3) comprises thread sleeves (13), a rotating shaft (14) and a lifting motor (10), the lifting motor (10) is arranged in the base (1), a main gear (11) is fixed on a rotating shaft of the lifting motor (10), the rotating shaft (14) is arranged at four corners of the base (1), the bottom of the rotating shaft is connected with the main gear (11) through a secondary gear (12) arranged in the base (1), a threaded rod (15) is arranged at the upper end of the rotating shaft (14), the threaded rod (15) is connected to an inner cavity of the thread sleeves (13) in a matching mode, the top of the thread sleeves (13) is fixedly connected with the outer diameter of the measuring cylinder (6) through a connecting plate (4), and the height measuring component is arranged between the thread sleeves (13) located on diagonal lines.
3. The concrete slump testing device for building construction according to claim 2, wherein the height measuring component comprises an infrared transmitter (7) and an infrared receiver (8), the infrared transmitter (7) and the infrared receiver (8) are respectively connected to a threaded sleeve (13) on a diagonal in a sliding mode, and springs are arranged between the infrared transmitter (7) and the threaded sleeve (13) and between the infrared receiver (8) and the threaded sleeve (13).
4. The slump testing device for construction concrete according to claim 3, wherein a scraper (16) is provided at the bottom of the threaded sleeve (13), and the inner diameter of the scraper (16) is the same as the outer diameter of the rotating shaft (14) for preventing concrete from entering the inner cavity of the threaded sleeve (13) and scraping off concrete attached to the outer diameter of the rotating shaft (14).
5. The slump testing device for construction concrete according to claim 4, wherein the scraper (16) is a rubber material.
6. The concrete slump testing device for building construction according to claim 1, wherein the leveling leg (2) comprises a shell (1), a center shaft, a ratchet wheel (22) and a coil spring (23), the center shaft is fixed in the shell (1), the ratchet wheel (22) is rotatably connected with the center shaft through the coil spring (23), an external threaded rod (28) is arranged at one end of the ratchet wheel (22) far away from the base (1), an internal threaded sleeve (29) is slidably connected outside the shell (1) through a guide groove (30), a button (18) is further slidably connected on the shell (1), a first spring (19) is arranged between the button (18) and the shell (1), a sliding block (20) is slidably connected at one end of the shell (1) of the button (18), a second spring (21) is arranged between the sliding block (20) and the button (18), and the sliding block (20) is used for driving the ratchet wheel (22) to rotate, still be provided with fixture block (24) in shell (1), fixture block (24) and guide pillar (26) sliding connection who sets up on shell (1) inner wall still are provided with third spring (25) between fixture block (24) and shell (1), and fixture block (24) are used for restricting ratchet (22) and rotate, fixedly connected with release link (27) on fixture block (24), and release link (27) are overhanging outside shell (1).
7. The concrete slump testing device for building construction according to any one of claims 1 to 5, wherein a material guide hopper (5) is arranged at the top of the measuring cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010576309.0A CN111521763A (en) | 2020-06-22 | 2020-06-22 | Concrete slump testing arrangement for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010576309.0A CN111521763A (en) | 2020-06-22 | 2020-06-22 | Concrete slump testing arrangement for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111521763A true CN111521763A (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010576309.0A Withdrawn CN111521763A (en) | 2020-06-22 | 2020-06-22 | Concrete slump testing arrangement for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111521763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933490A (en) * | 2021-10-12 | 2022-01-14 | 四川城市职业学院 | Concrete slump testing arrangement for construction |
-
2020
- 2020-06-22 CN CN202010576309.0A patent/CN111521763A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933490A (en) * | 2021-10-12 | 2022-01-14 | 四川城市职业学院 | Concrete slump testing arrangement for construction |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200811 |
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| WW01 | Invention patent application withdrawn after publication |