CN212379406U - Concrete slump measuring device - Google Patents
Concrete slump measuring device Download PDFInfo
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- CN212379406U CN212379406U CN202020786614.8U CN202020786614U CN212379406U CN 212379406 U CN212379406 U CN 212379406U CN 202020786614 U CN202020786614 U CN 202020786614U CN 212379406 U CN212379406 U CN 212379406U
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- measuring device
- graduated scale
- concrete slump
- slump measuring
- support frame
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Abstract
The utility model relates to a concrete slump measuring device, which comprises a graduated scale and a support frame for fixing the graduated scale, wherein the support frame is magnetically attracted with the graduated scale; the support frame includes the base and vertically fixes the bracing piece on the base, horizontally connect has the horizontal pole of taking magnetism to inhale on the bracing piece. The utility model discloses simple to use, convenient and high-efficient, safe and reliable to effectively solved the accuracy not enough, the slope causes the problem of certain error and extravagant manpower, played crucial effect to improving the detection accuracy. The detection efficiency is also improved, and the device is simple in integral structure, convenient to manufacture, flexible to disassemble and assemble, safe and efficient.
Description
Technical Field
The utility model relates to a measuring device that building construction field used especially relates to a concrete slump measuring device.
Background
Slump is one of conditions which must be considered in designing concrete mix proportion, and daily concrete quality control is also required to be carried out for slump detection.
Slump test method: pouring concrete into a horn-shaped slump measuring cylinder with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly beating the concrete from outside to inside along the cylinder wall by using a tamping rod after each filling, and leveling the concrete after tamping. And then pulling up the measuring cylinder, wherein the concrete generates a slump phenomenon due to self weight, and the height of the highest point of the slump concrete is subtracted from the height (300mm) of the measuring cylinder, namely the slump.
In the test process, a slump detection device is usually adopted, wherein a cross rod structure is fixed on a vertical support rod, and scales are arranged on the vertical support rod. When slump is measured, the detection device is moved above the central point of the top of the concrete, then the cross rod is fixed, the reading on the vertical support rod is read, and the measured slump is obtained by subtracting the reading on the vertical support rod from the height (300mm) of the slump bucket; however, when the slump detection device is adopted, the accurate value of the upper scale is 5mm, and the slump required by hydraulic engineering is 1mm, so that the accuracy is not enough; and the gravity center at the bottom of the supporting rod is unstable and easy to fall down carelessly when the supporting rod is placed, and the cross rod is easy to incline after being connected to cause certain errors. The second measurement method is: the ruler that reaches the required precision is used for manual measurationing, needs one hand to put the tamper flat at the top of slump bucket, and the ruler measurement is held to another hand, also is convenient for have certain extravagant manpower resources like this to thereby the manual work hardly keeps the tamper level and leads to the detection data inaccurate.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a concrete slump measuring device, which comprises a graduated scale and a support frame for fixing the graduated scale, wherein the support frame is connected with the graduated scale through magnetic attraction; the support frame includes the base and vertically fixes the bracing piece on the base, horizontally connect has the horizontal pole of taking magnetism to inhale on the bracing piece.
As a further improvement of the utility model: the graduated scale is an iron ruler, or the back of the graduated scale is provided with a connecting iron block.
As a further improvement of the utility model: the precision of the graduated scale is 1 mm.
As a further improvement of the utility model: a magnetic suction switch is arranged at the right end part of the cross rod; the graduated scale is vertically connected to the cross rod or separated from the cross rod under the control of the magnetic suction switch.
As a further improvement of the utility model: the cross bar is of a cuboid structure.
As a further improvement of the utility model: a through hole which is communicated up and down is arranged at the left end of the cross rod, and a screw hole is arranged at one side of the cross rod corresponding to the through hole; the supporting rod passes through the through hole and then is locked by a bolt in the screw hole.
As a further improvement of the utility model: the counterweight block is positioned on the base.
As a further improvement of the utility model: the balancing weight is provided with a handle.
Advantageous effects
The utility model discloses concrete slump measuring device's beneficial effect is: the device is simple and convenient to use, efficient, safe and reliable, effectively solves the problems of insufficient accuracy, certain error caused by inclination and manpower waste, and plays a key role in improving the detection accuracy. The detection efficiency is also improved, and the device is simple in integral structure, convenient to manufacture, flexible to disassemble and assemble, safe and efficient.
Drawings
FIG. 1 is a schematic perspective view of a concrete slump measuring device of the present invention;
FIG. 2 is a schematic view of a scale in the concrete slump measuring apparatus;
FIG. 3 is a schematic diagram of a weight block in the concrete slump measuring device;
fig. 4 is a schematic view of a cross bar in the concrete slump measuring apparatus.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1-4, the concrete slump measuring device 10 provided by the present invention comprises a graduated scale 4 and a support frame for fixing the graduated scale 4, wherein the support frame is magnetically connected with the graduated scale 4; the support frame includes base 1 and the vertical bracing piece 2 of fixing on the base, horizontal connection has the horizontal pole 3 of taking magnetism to inhale on the bracing piece 2. Specifically, the base 1 is provided with a hole (not shown in the figure) for accommodating the support rod 2, an internal thread is arranged in the hole, an external thread is arranged at the bottom of the support rod 2, and the support rod 2 and the hole are screwed and fixed through the thread. The stability of the entire device 10 can be maintained by connecting the cross bar 3 by means of a support frame with a base 1. The graduated scale 4 is an iron ruler, or the back of the graduated scale 4 is provided with a connecting iron block. When horizontal pole 3 had magnetism, iron ruler 4 can directly adsorb on horizontal pole 3, perhaps the connection iron plate at the 4 backs of scale adsorbs with horizontal pole 3 to be connected and makes scale 4 be connected with horizontal pole 3.
In a preferred embodiment, the scale 4 has an accuracy of 1mm, as shown in fig. 2, so that the accuracy of the measurement can be guaranteed.
In specific embodiment, 3 right-hand members of horizontal pole tip are equipped with magnetism and inhale switch 31, and through the magnetism of magnetic switch 31 control horizontal pole 3, after magnetic switch 31 opened, horizontal pole 3 had magnetism, adsorbs and connects scale 4, closes the back when magnetic switch 31, and horizontal pole 3 does not have magnetism, can take off scale 4 from horizontal pole 3.
In one embodiment, the cross bar 3 is a rectangular parallelepiped structure. A through hole 32 which is through up and down is arranged at the left end of the cross rod 3, and a screw hole 33 is arranged at one side of the cross rod corresponding to the through hole 32; the support bar 2 is locked by the bolt 6 in the screw hole 33 after passing through the through hole 32, as shown in fig. 4. In a preferred embodiment, the support rod 2 is also provided with another screw hole (not shown) at the position of the through hole 32, the bolt 6 locks the cross bar screw hole 33 and the support rod bolt hole, so that the cross bar 3 is fixed with the support rod 2, in a preferred embodiment, the device 10 further comprises a counterweight 5, and the counterweight 5 is located on the base 1. For increasing the stability of the base 1 and avoiding the tilting or side tipping of the device 10 due to the cross bar 3 being too long and heavy. The handle 51 is arranged on the balancing weight 5, so that the balancing weight is convenient to take.
In a concrete slump measuring device, the base is 24cm long, and wide 12cm, and thickness is 16 mm's iron plate, and 3cm department on the right of base has the hole of taking the screw thread, and the vertical insert hole of bracing piece is downthehole to be connected with the base, and downthehole and bracing piece bottom are equipped with the screw thread, the two spiral fixed connection. The length of the supporting rod is 36cm, and the diameter is 15 mm. A screw hole of 6mm is provided on the front 30cm for fixing the cross bar at a height of 30 cm. The rectangular cross bar is 33cm long, 3cm wide and 2cm high. A through hole of 15mm is formed in the position of 3cm above the leftmost side of the cross bar, and the top of the support rod penetrates through the through hole; the middle of the left front of the cross bar, which corresponds to the passing of the support bar, is provided with a screw hole of 6mm, and the support bar is locked by inserting the screw hole of the cross bar and the screw hole of the support bar through a bolt. The distance from the lowest part of the base to the lowest part of the cross rod with the magnetic attraction is 30 cm. The iron ruler was used to measure slump with an accuracy of 1mm and a total measurement length of 30 cm. The balancing weight is used for increasing weight of the base and preventing the device from inclining in the test process, the length of the balancing weight is 10cm, the width of the balancing weight is 10cm, the thickness of the balancing weight is 2cm, and a lifting handle is arranged on the uppermost surface of the balancing weight so as to be convenient to lift after the test is finished.
This concrete slump measuring device 10 use:
1. before a slump test is carried out, the concrete slump measuring device 10 is well installed.
2. And (3) carrying out a slump test on the mixed concrete, slowly lifting the slump bucket within 5-10 s, and placing the concrete slump measuring device 10 beside the sample when the sample does not continuously slump.
3. Hug closely horizontal pole 3 with indisputable ruler 4, open magnetism when indisputable ruler 4 bottom and sample top central point just contact and inhale switch 31, hold indisputable ruler 4, then the reading, the slump that the distance of sample top central point to 3 bottommost of horizontal pole is the concrete is accurate to 1 mm.
4. The whole slump test should be continuously carried out and should be completed within 2 min-3 min.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a concrete slump measuring device which characterized in that: the scale comprises a graduated scale and a support frame for fixing the graduated scale, wherein the support frame is connected with the graduated scale in a magnetic attraction manner; the support frame includes the base and vertically fixes the bracing piece on the base, horizontally connect has the horizontal pole of taking magnetism to inhale on the bracing piece.
2. The concrete slump measuring device according to claim 1, wherein: the graduated scale is an iron ruler, or the back of the graduated scale is provided with a connecting iron block.
3. The concrete slump measuring device according to claim 2, wherein: the precision of the graduated scale is 1 mm.
4. The concrete slump measuring device according to claim 1, wherein: a magnetic suction switch is arranged at the right end part of the cross rod; the graduated scale is vertically connected to the cross rod or separated from the cross rod under the control of the magnetic suction switch.
5. The concrete slump measuring device according to claim 1, wherein: the cross bar is of a cuboid structure.
6. The concrete slump measuring device according to claim 5, wherein: a through hole which is communicated up and down is arranged at the left end of the cross rod, and a screw hole is arranged at one side of the cross rod corresponding to the through hole; the supporting rod passes through the through hole and then is locked by a bolt in the screw hole.
7. The concrete slump measuring device according to claim 1, wherein: the counterweight block is positioned on the base.
8. The concrete slump measuring device according to claim 7, wherein: the balancing weight is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786614.8U CN212379406U (en) | 2020-05-13 | 2020-05-13 | Concrete slump measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786614.8U CN212379406U (en) | 2020-05-13 | 2020-05-13 | Concrete slump measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379406U true CN212379406U (en) | 2021-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020786614.8U Active CN212379406U (en) | 2020-05-13 | 2020-05-13 | Concrete slump measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379406U (en) |
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2020
- 2020-05-13 CN CN202020786614.8U patent/CN212379406U/en active Active
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