CN219799441U - Convenient testing tool for concrete slump - Google Patents
Convenient testing tool for concrete slump Download PDFInfo
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- CN219799441U CN219799441U CN202223185006.XU CN202223185006U CN219799441U CN 219799441 U CN219799441 U CN 219799441U CN 202223185006 U CN202223185006 U CN 202223185006U CN 219799441 U CN219799441 U CN 219799441U
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- operation platform
- measuring
- connecting frame
- fixing bolt
- slump
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 241000602850 Cinclidae Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a convenient testing tool for concrete slump, which comprises an operation platform, wherein the bottom of the operation platform is provided with at least two leveling mechanisms, the operation platform is provided with a connecting frame, and the connecting frame is provided with an adjustable measuring mechanism for measuring slump. The leveling mechanism comprises a level meter, a screw rod and a supporting base, wherein the level meter is used for measuring whether the operation platform is level or not, and then the screw rod and the supporting base are used for adjusting the height of the periphery of the operation platform so as to prevent the measurement plane of the operation platform from tilting and prevent the measurement value of slump from being influenced by the unevenness of the platform. The problem of among the prior art because the ground is uneven, arouse the measuring plane of platform slight slope, lead to slump's measurement numerical value to be influenced is solved. The connecting frame is connected with the measuring ruler, so that the measuring ruler is prevented from being lost, and the measuring ruler can be limited by the limiting plate and the spring, so that the measuring ruler can be effectively protected when not used.
Description
Technical Field
The utility model relates to the technical field of slump tests, in particular to a convenient testing tool for concrete slump.
Background
The concrete slump mainly refers to the plasticizing performance and pumpability of concrete, influences the concrete slump mainly in the aspects of graded change, water content, weighing deviation of a weighing instrument, and the dosage of the additive is easily ignored and also the temperature of cement is easily ignored. Slump refers to the workability of concrete, specifically, to ensure the normal progress of construction, including water retention, fluidity and cohesiveness of concrete.
Slump testing method: filling concrete into the trumpet-shaped slump measuring cylinder, filling for three times, uniformly beating the concrete from outside to inside along the cylinder wall by using a tamping rod after each filling, and trowelling after tamping. Then the measuring cylinder is pulled up, the concrete generates slump phenomenon due to dead weight, and the height of the highest point of the concrete after slump is subtracted from the height of the measuring cylinder, which is called slump.
In the traditional operation, the ground is adopted temporarily as the bottom plate of the slump measuring cylinder on site, or a platform is placed on the ground and is used as the bottom plate of the slump measuring cylinder, most of the ground is uneven, so that the measuring plane of the platform placed on the ground is slightly inclined, and the measuring value of slump is influenced.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a convenient testing tool for the slump of concrete, which solves the problem that the measuring value of the slump is influenced because the measuring plane of a platform is slightly inclined due to uneven ground in the prior art.
The technical scheme of the utility model is realized as follows: the utility model provides a convenient testing tool of concrete slump, includes operation platform, operation platform bottom is equipped with two at least levelling mechanisms, is equipped with the link on the operation platform, is equipped with the adjustable measuring mechanism of measurement slump on the link.
The leveling mechanism comprises a level meter, a screw rod and a supporting base, the supporting base is in threaded connection with the screw rod, the top of the screw rod is fixedly connected with the operating platform, and the level meter is connected with the operating platform. The supporting base is a base in a truncated cone shape. The level gauge is a bubble type level gauge.
The operation platform is a square operation platform, four leveling mechanisms are arranged on the operation platform and are respectively located around the square operation platform, two opposite leveling mechanisms are located on the center of the square operation platform, a screw is welded on the bottom surface of the square operation platform, and a level gauge is fixed on the top surface of the square operation platform.
The side of the operation platform is provided with a first through hole, the connecting frame is provided with a hinge shaft, the hinge shaft is in plug-in connection with the first through hole, and the connecting frame is in rotary connection with the operation platform through the plug-in connection of the hinge shaft and the first through hole. The first through hole is positioned in the middle of the side face of the operation platform.
The adjustable measuring mechanism comprises a measuring ruler and a fixing bolt, a second through hole is formed in the connecting frame and is in plug-in connection with the fixing bolt, the measuring ruler is movably connected with the fixing bolt, a spring is arranged between the measuring ruler and the connecting frame and is fixed on the connecting frame, and a limiting plate for limiting and supporting the measuring ruler is further arranged on the connecting frame.
The limiting plate is an L-shaped plate formed by fixedly connecting a transverse plate and a longitudinal plate, and the transverse plate of the limiting plate is connected with the connecting frame; the external thread part of the fixing bolt is in threaded connection with a nut, and the polish rod part of the fixing bolt is movably connected with the measuring ruler.
The length of the fixed bolt polish rod part is greater than the length of the limiting plate transverse plate, the limit that the measuring ruler rotates along the fixed bolt polish rod part and breaks away from the limiting plate transverse plate is realized, the aperture of the second through hole is greater than the rod diameter of the fixed bolt, and the limit that the measuring ruler inclines along the fixed bolt and breaks away from the limiting plate longitudinal plate is realized.
According to the utility model, the level gauge, the screw rod and the supporting base are arranged on the periphery of the operation platform, whether the operation platform is level or not is measured by using the level gauge, and then the peripheral height of the operation platform is adjusted by using the screw rod and the supporting base, so that the measurement plane of the operation platform is not inclined, and the measurement value of slump is prevented from being influenced by the unevenness of the platform. The problem of among the prior art because the ground is uneven, arouse the measuring plane of platform slight slope, lead to slump's measurement numerical value to be influenced is solved. The connecting frame is connected with the measuring ruler, so that the measuring ruler is prevented from being lost, and the measuring ruler can be limited by the limiting plate and the spring, so that the measuring ruler can be effectively protected when not used.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of the measurement state of the present utility model.
FIG. 2 is a schematic diagram of an operation platform according to the present utility model.
Fig. 3 is a schematic view of the measuring scale of the present utility model.
FIG. 4 is a schematic diagram of the connection of the connector to the measuring scale of the present utility model.
Fig. 5 is a perspective view of the present utility model.
In the figure, 1 operation platform, 2 levelling mechanism, 3 link, 4 spirit level, 5 screw rods, 6 support base, 7 first through-holes, 8 articulated shafts, 9 limiting plates, 10 dippers, 11 fixing bolts, 12 springs, 13 nuts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, embodiment 1, a convenient testing tool for concrete slump, which comprises an operation platform 1, wherein at least two leveling mechanisms 2 are arranged at the bottom of the operation platform 1, a connecting frame 3 is arranged on the operation platform 1, and an adjustable measuring mechanism for measuring slump is arranged on the connecting frame 3. The bottom of the preferred operating platform 1 is provided with four leveling mechanisms 2. The leveling mechanism 2 is used for adjusting the heights of four sides of the operation platform 1 from the ground so as to prevent the measurement plane of the operation platform 1 from tilting and avoid the measurement value of slump from being influenced by the unevenness of the operation platform 1. The problem of among the prior art because the ground is uneven, arouse the measuring plane of platform slight slope, lead to slump's measurement numerical value to be influenced is solved. The adjustable measuring mechanism is directly provided with the measuring ruler 10 on the operating platform 1, so that the measuring ruler is convenient to quickly measure, and the adjustable measuring mechanism can retract the measuring ruler, so that the measuring ruler can be effectively protected when not used.
As shown in fig. 2, the leveling mechanism 2 includes a level 4, a screw 5 and a supporting base 6, the supporting base 6 is in threaded connection with the screw 5, the top of the screw 5 is fixedly connected with the operation platform 1, the level 4 is located at the top of the operation platform 1, and four levels 4 are respectively adhered to the middle parts of four sides of the operation platform 1. The support base 6 is a support base in a truncated cone shape, and the upper bottom of the support base in the truncated cone shape is provided with a threaded hole which is in threaded connection. The level 4 is a bubble level, and the bubble level is convenient to install and high in compatibility. The flatness of the measuring plane of the leveling mechanism 2 is adjusted by lifting the screw 5 on the supporting base 6, and then the flatness is measured by the level meter 4, so that the flatness of the measuring plane is greatly improved, and the deviation of slump measurement values is reduced.
As shown in fig. 4, the operation platform 1 is a square operation platform, four leveling mechanisms 2 are arranged on the operation platform 1, the four leveling mechanisms 2 are respectively located around the square operation platform, two opposite leveling mechanisms 2 are located at the center of the square operation platform, and the screw 5 is welded on the bottom surface of the square operation platform. The operation platform 1 side is equipped with first through-hole 7, is equipped with articulated shaft 8 on the link 3, and articulated shaft 8 and first through-hole 7 grafting cooperation, link 3 and operation platform 1 realize rotating through articulated shaft 8 and the grafting of first through-hole 7 and be connected. The first through hole 7 is positioned in the middle of the side surface of the operation platform 1, and the side length of the operation platform 1 is 300mm.
As shown in fig. 3, the adjustable measuring mechanism comprises a measuring ruler 10 and a fixing bolt 11, a second through hole is formed in the connecting frame 3, the second through hole is in plug-in connection with the fixing bolt 11, the middle of the measuring ruler 10 is slidably connected with the fixing bolt 11, a spring 12 is arranged between the measuring ruler 10 and the connecting frame 3, the spring 12 is fixed on the connecting frame 3, and a limiting plate 9 for limiting and supporting the measuring ruler 10 is further arranged on the connecting frame 3. The limiting plate 9 is an L-shaped plate formed by fixedly connecting a transverse plate and a longitudinal plate, and the transverse plate of the limiting plate 9 is connected with the connecting frame 3; the external thread part of the fixing bolt 11 is in threaded connection with a nut 13, and the polish rod part of the fixing bolt 11 is movably connected with the measuring scale 10. The measuring ruler 10 can be limited by the limiting plate 9 and the spring 12, so that the measuring ruler 10 can be effectively protected when not in use. The spring 12 presses the measuring scale 10 against the limiting plate 9. When the measuring ruler 10 needs to be taken out of the limiting plate 9, the spring 12 is compressed, and then the measuring ruler 10 can be separated from the limiting plate 9 obliquely outwards.
The length of the polish rod part of the fixed bolt 11 is greater than the length of the transverse plate of the limiting plate 9, the limit that the measuring ruler 10 rotates along the polish rod part of the fixed bolt 11 and is separated from the transverse plate of the limiting plate 9 is realized, the aperture of the second through hole is greater than the rod diameter of the fixed bolt 11, and the limit that the measuring ruler 10 inclines along the fixed bolt 11 and is separated from the longitudinal plate of the limiting plate 9 is realized. The length of the polish rod part of the fixing bolt 11 needs to meet the requirement that the measuring ruler 10 can move out of the transverse plate of the limiting plate 9 along the fixing bolt 11, and the aperture of the second through hole needs to meet the requirement that the fixing bolt 11 is inclined, and the measuring ruler 10 on the fixing bolt 11 is not limited by the longitudinal plate of the limiting plate 9. Namely, the measuring ruler 10 moves outwards along the inclination of the fixing bolt 11 and can be separated from the outer side of the limiting plate 9 without being limited by the limiting plate 9, and meanwhile, the measuring ruler 10 can also move inwards along the inclination of the fixing bolt 11 and move to the inner side of the limiting plate 9.
In the implementation of the embodiment 1, the test tool is firstly placed on the ground, then the positions of bubbles in four levels 4 at the top of the operation platform 1 are observed, the support base 6 is rotated, the height of the operation platform 1 from the ground is adjusted, and the positions of the bubbles in the levels 4 are further adjusted; the position of bubbles in the four leveling instruments 4 is adjusted to the middle part of the leveling instrument 4, so that a slump measurement test can be carried out on a measurement plane at the top of the operating platform 1, concrete is poured into a trumpet-shaped slump measuring cylinder during measurement, the concrete is filled for three times, a tamping rod is used for uniformly beating the concrete from outside to inside along the cylinder wall after each filling, after the concrete is tamped for three times, the concrete at the top of the measuring cylinder is smoothed, the measuring cylinder is pulled up, the slump is generated due to dead weight, at the moment, the device is shown in fig. 5, a connecting frame 3 is rotated to the connecting frame 3 and is vertical to the operating platform 1, as shown in fig. 1, a spring 12 is compressed by hand at the moment, the measuring scale 10 is separated from the extrusion of the spring 12, the measuring scale 10 is inclined upwards and pulled outwards, the limit of the limit plate 9 can be separated, then the measuring scale 10 is rotated along a fixed bolt 11, the height value of the highest point of the concrete can be measured, the difference between the height value and the measuring cylinder is the slump, the measuring scale 10 is measured, the measuring scale 10 is rotated and the operating platform 1 is pulled up, the spring 12 is pulled up, the limit plate 12 is pulled up, and the limit plate is pulled up, as shown in the limit plate 12 is pulled up, and the limit plate 12 is pulled up, the limit plate is pulled up, and the limit plate is positioned in the limit, when the limit plate 9 is reached.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The convenient concrete slump testing tool comprises an operation platform (1) and is characterized in that at least two leveling mechanisms (2) are arranged at the bottom of the operation platform (1), a connecting frame (3) is arranged on the operation platform (1), and an adjustable measuring mechanism for measuring slump is arranged on the connecting frame (3); the adjustable measuring mechanism comprises a measuring ruler (10) and a fixing bolt (11), a second through hole is formed in the connecting frame (3), the second through hole is in plug-in connection with the fixing bolt (11), the measuring ruler (10) is movably connected with the fixing bolt (11), a spring (12) is arranged between the measuring ruler (10) and the connecting frame (3), the spring (12) is fixed on the connecting frame (3), and a limiting plate (9) for limiting and supporting the measuring ruler (10) is further arranged on the connecting frame (3).
2. The concrete slump convenient testing tool according to claim 1, wherein the leveling mechanism (2) comprises a level meter (4), a screw rod (5) and a supporting base (6), the supporting base (6) is in threaded connection with the screw rod (5), the top of the screw rod (5) is fixedly connected with the operation platform (1), and the level meter (4) is connected with the operation platform (1).
3. The concrete slump convenient test tool according to claim 2, wherein the supporting base (6) is a base in the shape of a truncated cone.
4. A concrete slump convenient test kit according to claim 3, characterised in that the level (4) is a bubble level.
5. The concrete slump convenient testing tool according to claim 4, wherein the operating platform (1) is a square operating platform, four leveling mechanisms (2) are arranged on the operating platform (1), the four leveling mechanisms (2) are respectively arranged around the square operating platform, the two opposite leveling mechanisms (2) are arranged on the center of the square operating platform, the screw (5) is welded on the bottom surface of the square operating platform, and the level meter (4) is fixed on the top surface of the square operating platform.
6. The concrete slump convenient testing tool according to claim 5, wherein a first through hole (7) is formed in the side face of the operation platform (1), a hinge shaft (8) is arranged on the connecting frame (3), the hinge shaft (8) is in plug-in fit with the first through hole (7), and the connecting frame (3) is in rotary connection with the operation platform (1) through plug-in connection of the hinge shaft (8) and the first through hole (7).
7. The concrete slump convenient test tool according to claim 6, wherein the first through hole (7) is located at a side middle portion of the operation platform (1).
8. The convenient concrete slump testing tool according to any one of claims 1 to 7, wherein the limiting plate (9) is an L-shaped plate formed by fixedly connecting a transverse plate and a longitudinal plate, and the transverse plate of the limiting plate (9) is connected with the connecting frame (3); the external thread part of the fixing bolt (11) is in threaded connection with a nut (13), and the polished rod part of the fixing bolt (11) is movably connected with the measuring scale (10).
9. The convenient concrete slump testing tool according to claim 8, wherein the length of the polished rod part of the fixing bolt (11) is larger than the length of the transverse plate of the limiting plate (9), the rotation of the measuring ruler (10) along the polished rod part of the fixing bolt (11) and the limitation of the transverse plate of the limiting plate (9) are realized, the aperture of the second through hole is larger than the rod diameter of the fixing bolt (11), and the limitation of the measuring ruler (10) along the fixing bolt (11) and the limitation of the longitudinal plate of the limiting plate (9) are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223185006.XU CN219799441U (en) | 2022-11-30 | 2022-11-30 | Convenient testing tool for concrete slump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223185006.XU CN219799441U (en) | 2022-11-30 | 2022-11-30 | Convenient testing tool for concrete slump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799441U true CN219799441U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223185006.XU Active CN219799441U (en) | 2022-11-30 | 2022-11-30 | Convenient testing tool for concrete slump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799441U (en) |
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2022
- 2022-11-30 CN CN202223185006.XU patent/CN219799441U/en active Active
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