CN215004829U - Test system of self-compaction concrete L type appearance height ratio - Google Patents
Test system of self-compaction concrete L type appearance height ratio Download PDFInfo
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- CN215004829U CN215004829U CN202120659745.4U CN202120659745U CN215004829U CN 215004829 U CN215004829 U CN 215004829U CN 202120659745 U CN202120659745 U CN 202120659745U CN 215004829 U CN215004829 U CN 215004829U
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Abstract
The utility model relates to the technical field of concrete performance testing, in particular to a testing system for the height ratio of a self-compacting concrete L-shaped instrument, which comprises an L-shaped box, wherein the L-shaped box comprises a vertical box body and a horizontal box body, the top of the vertical box body is provided with a first infrared distance meter which is used for measuring the height distance from the top of the vertical box body to the concrete liquid level in the vertical box body; and the top of the horizontal box body is provided with a second infrared distance meter which is used for measuring the height distance between the top of the horizontal box body and the liquid level of concrete in the horizontal box body. The utility model provides a test system of self-compaction concrete L type appearance height ratio utilizes infrared ray distancer one and infrared ray distancer two to replace artifical the measurement, avoids appearing the rule 0 of straightedge and sinks below the liquid level or can not reach the liquid level, leads to the result accuracy relatively poor, the lower phenomenon of efficiency, and then has improved experimental accuracy and efficiency, better reflects the objective performance of self-compaction concrete.
Description
Technical Field
The utility model relates to a concrete performance test technical field, especially a test system of self-compaction concrete L type appearance height ratio.
Background
The self-compacting concrete L-shaped instrument is a device for measuring the flowability of self-compacting concrete according to national standards. The self-compacting concrete L-shaped instrument is mainly used for evaluating the clearance trafficability of self-compacting concrete, namely the capacity of penetrating through dense steel bars, and the L-shaped instrument conforms to the regulations of CCES 02-2004 in China.
As shown in fig. 1: the L type appearance of current mainly comprises L type case 1, baffle dodge gate 8, detachable reinforcing bar net piece 9 etc. that the steel sheet was made, and L type case 1 includes vertical box 11 and horizontal box 12, and vertical box 11 and horizontal box 12 separate through baffle dodge gate 8, and its working process is as follows:
1. the L-shaped flow meter is placed on a horizontal, solid surface and the movable door 8 of the partition is closed.
2. The inside of the mold is wetted with water, and the clear water is wiped off, and then the vertical box 11 of the apparatus is filled with a concrete sample and left to stand for 1 min.
3. The partition shutter 8 is lifted to allow the concrete to flow through the reinforcing bars into the horizontal box 12.
4. When the concrete stops flowing, the height H from the bottom of the vertical box body 11 to the concrete liquid level in the vertical box body 11 is measured by using a steel ruler1The height H from the bottom of the horizontal box 12 to the concrete liquid level in the horizontal box 122And according to H1、H2And calculating a test result.
However, in the process of actually testing the height ratio of the self-compacting concrete L-shaped instrument, the steel ruler is extended into the cavity of the vertical box 11 or the horizontal box 12 of the L-shaped instrument, so that the 0 scribed line just contacts the liquid level of the concrete, the operation difficulty is high, the 0 scribed line of the steel ruler is easily sunk below the liquid level or does not reach the liquid level, the result accuracy is poor, and the objective performance of the self-compacting concrete cannot be reflected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the problem of the use straightedge of steel that exists to use the vertical box of L type appearance or the cavity of horizontal box to stretch into, lead to the result accuracy relatively poor easily, can not reflect the objective performance of self-compaction concrete is solved, a test system that self-compaction concrete L type appearance height ratio is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
a test system for the height ratio of a self-compacting concrete L-shaped instrument comprises an L-shaped box, wherein the L-shaped box comprises a vertical box body and a horizontal box body,
the top of the vertical box body is provided with a first infrared distance meter which is used for measuring the height distance between the top of the vertical box body and the liquid level of concrete in the vertical box body;
the top of the horizontal box body is provided with a second infrared distance meter which is used for measuring the height distance between the top of the horizontal box body and the liquid level of concrete in the horizontal box body.
The application a test system of self-compaction concrete L type appearance height ratio, through using infrared distance meter one to measure the height distance between the concrete liquid level in vertical box top to the vertical box, and the infrared distance meter is dual-purpose in measuring the height distance between the concrete liquid level in horizontal box top to the horizontal box, utilize infrared distance meter one and infrared distance meter two to replace artifical the measurement, avoid appearing the rule 0 groove of straightedge and sink below the liquid level or can not reach the liquid level, lead to the result accuracy relatively poor, the lower phenomenon of efficiency, and then experimental accuracy and efficiency have been improved, better reflect the objective performance of self-compaction concrete.
Preferably, this application a test system of self-compaction concrete L type appearance height ratio still including being used for supporting the support frame one of connecting infrared range finder, support frame one set up in the outside of vertical box.
In this scheme the support frame one set up in the outside of vertical box includes following two kinds of scopes at least:
a. the first support frame is placed outside the vertical box body but is not connected with the vertical box body;
b. the first support frame is placed on the outer side of the vertical box body and connected with the vertical box body, and the first support frame is detachably connected and non-detachably connected.
Preferably, the first support frame comprises a first base, a first vertical support structure is vertically arranged on the first base, a first cross support structure is transversely arranged on the first vertical support structure, and the first infrared range finder is arranged on the first cross support structure.
Preferably, the first cross brace structure can vertically move relative to the first vertical brace structure, a first locking device is arranged between the first cross brace structure and the first vertical brace structure, the first locking device is used for fixing the relative position between the first cross brace structure and the first vertical brace structure, the first cross brace structure vertically moves relative to the first vertical brace structure, and after the target height is reached, the first locking device is used for fixing the relative position between the first cross brace structure and the first vertical brace structure so as to realize the lifting adjustment of the first infrared range finder.
Preferably, the first vertical supporting structures are at least two, at least two adjacent first vertical supporting structures are arranged at intervals, and the first cross supporting structures are arranged on the first vertical supporting structures to realize multipoint measurement.
Preferably, the first cross-brace structure is a telescopic rod, so that the adjustment of the infrared distance measuring instrument in the horizontal direction can be realized.
Preferably, this application a test system of self-compaction concrete L type appearance height ratio still including being used for supporting the support frame two of connecting infrared range finder, support frame two set up in the outside of horizontal box.
In this scheme the support frame two set up in the outside of horizontal box includes following two kinds of scopes at least:
a. the second support frame is placed outside the horizontal box body but is not connected with the horizontal box body;
b. the second support frame is placed on the outer side of the horizontal box body and connected with the horizontal box body, and the connection of the second support frame comprises detachable connection and non-detachable connection.
Preferably, the second support frame comprises a second base, a second vertical support structure is vertically arranged on the second base, a second cross support structure is transversely arranged on the upper portion of the second vertical support structure, and the second infrared range finder is arranged on the second cross support structure.
Preferably, the second cross brace structure can be vertically opposite to the second vertical brace structure, a second locking device is arranged between the second cross brace structure and the second vertical brace structure, the second locking device is used for fixing the second cross brace structure and the second vertical brace structure at a relative position, the second cross brace structure is vertically opposite to the second vertical brace structure and moves, and after the target height is reached, the second locking device is fixed at the relative position between the second cross brace structure and the second vertical brace structure so as to realize the lifting adjustment of the second infrared range finder.
Preferably, the number of the second vertical support structures is at least two, at least two adjacent vertical support structures are arranged at intervals, and the second cross support structures are arranged on all the second vertical support structures, so that multi-position measurement is realized.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the application a test system of self-compaction concrete L type appearance height ratio, through using infrared distance meter one to measure the height distance between the concrete liquid level in vertical box top to the vertical box, and the infrared distance meter is dual-purpose in measuring the height distance between the concrete liquid level in horizontal box top to the horizontal box, utilize infrared distance meter one and infrared distance meter two to replace artifical the measurement, avoid appearing the rule 0 groove of straightedge and sink below the liquid level or can not reach the liquid level, lead to the result accuracy relatively poor, the lower phenomenon of efficiency, and then experimental accuracy and efficiency have been improved, better reflect the objective performance of self-compaction concrete.
Drawings
FIG. 1 is a schematic perspective axial view of a self-compacting concrete L-shaped instrument of the background art;
FIG. 2 is a schematic structural front view of a self-compacting concrete L-shaped instrument height ratio testing system according to the present application;
FIG. 3 is a schematic structural diagram of a first support frame of the present application;
fig. 4 is a schematic structural view of a second support frame of the present application.
The labels in the figure are: the device comprises a 1-L-shaped box, a 11-vertical box, a 12-horizontal box, a 2-infrared distance meter II, a 3-support frame I, a 31-base I, a 32-vertical support structure I, a 33-cross support structure I, a 4-support frame II, a 41-base II, a 42-vertical support structure II, a 43-cross support structure II, a 5-infrared distance meter I, a 6-locking device II, a 7-locking device I, an 8-partition movable door and a 9-reinforcing mesh.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 2-4, a self-compacting concrete L-shaped instrument height ratio testing system comprises an L-shaped box 1, wherein the L-shaped box 1 comprises a vertical box body 11 and a horizontal box body 12,
the top of the vertical box body 11 is provided with a first infrared distance meter 5, and the first infrared distance meter 5 is used for measuring the height distance between the top of the vertical box body 11 and the liquid level of concrete in the vertical box body 11;
the top of the horizontal box body 12 is provided with a second infrared distance meter 2, and the second infrared distance meter 2 is used for measuring the height distance between the top of the horizontal box body 12 and the liquid level of concrete in the horizontal box body 12.
The application a test system of self-compaction concrete L type appearance height ratio, through using infrared distance meter 5 to measure the height distance between the concrete liquid level in vertical box 11 top to vertical box 11, and infrared distance meter two 2 is used for measuring the height distance between the concrete liquid level in horizontal box 12 top to horizontal box 12, utilize infrared distance meter 5 and infrared distance meter two 2 to replace artifical the measurement, avoid appearing 0 groove of ruler sink below the liquid level or can not reach the liquid level, lead to the result accuracy relatively poor, the lower phenomenon of efficiency, and then experimental accuracy and efficiency have been improved, better reflect the objective performance of self-compaction concrete.
The application a test system of self-compaction concrete L type appearance height ratio still including being used for supporting support frame 3 of connecting infrared range finder 5, support frame 3 set up in the outside of vertical box 11.
In this scheme support frame one 3 set up in the outside of vertical box 11 includes following two kinds of scopes at least:
a. the first support frame 3 is placed outside the vertical box body 11, but is not connected with the vertical box body 11;
b. the first support frame 3 is placed on the outer side of the vertical box body 11 and connected with the vertical box body 11, and the connection of the first support frame and the vertical box body comprises detachable connection and non-detachable connection.
Specifically, support frame 3 includes base 31, vertically on base 31 be provided with erects strut structure 32, erects strut structure 32 upper portion and transversely is provided with stull structure 33, infrared range finder 5 set up in stull structure 33 is last.
The utility model discloses a vertical infrared range finder, including a stull structure 33, a stull structure 32, a locking device 7, a bridging structure 33, a bridging structure 32, a locking device 7, a horizontal strut structure 33, a vertical strut structure 32, a target height back, a locking device 7, a horizontal strut structure 33, a vertical strut structure 32, relative position between the infrared range finder 5, and the like.
Vertical pole is preferred to vertical pole structure one 32, and the preferred horizontal pole of stull structure one 33, and stull structure one 33 is provided with the lantern ring near vertical pole structure one 32's position, the outside of stull structure one 32 is located to the lantern ring cover, locking device one 7 set up in on the lantern ring, and the top is tight vertical pole structure one 32.
In practical use, the number of the first vertical support structures 32 is at least two, at least two adjacent first vertical support structures 32 are arranged at intervals, and the first cross support structures 33 are arranged on all the first vertical support structures 32, so that multi-point measurement is realized.
On the basis, in a further preferable mode, the first cross brace structure 33 is a telescopic rod, and the adjustment of the first infrared distance meter 5 in the horizontal direction can be realized.
The application a test system of self-compaction concrete L type appearance height ratio still including being used for supporting two 4 support frames of connecting two 2 of infrared range finder, two 4 support frames set up in the outside of horizontal box 12.
In this scheme the support frame two 4 set up in the outside of horizontal box 12 includes following two kinds of scopes at least:
a. the second support frame 4 is placed outside the horizontal box body 12, but is not connected with the horizontal box body 12;
b. the second support frame 4 is placed on the outer side of the horizontal box body 12 and connected with the horizontal box body 12, and the connection of the second support frame comprises detachable connection and non-detachable connection.
Specifically, support frame two 4 includes base two 41, vertically on base two 41 be provided with erects strut structure two 42, it transversely is provided with stull structure two 43 to erect strut structure two 42 upper portion, infrared range finder two 2 set up in on the stull structure two 43.
The second 43 cross-brace structure can be vertically relative to the second 42 vertical brace structure, the second 43 cross-brace structure and the second 42 vertical brace structure are provided with a second 6 locking device therebetween, the second 6 locking device is used for fixing the second 43 cross-brace structure and the second 42 vertical brace structure relative position, the second 43 cross-brace structure vertically relative to the second 42 vertical brace structure moves, and after reaching a target height, the second 6 locking device fixes the second 43 cross-brace structure and the second 42 vertical brace structure relative position to realize the lifting adjustment of the second 2 infrared distance measuring instrument.
The second vertical supporting structures 42 are at least two, at least two adjacent vertical supporting structures 42 are arranged at intervals, and all the second vertical supporting structures 42 are provided with the second cross supporting structures 43 to realize multi-position measurement.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a test system of self-compaction concrete L type appearance height ratio, includes L type case (1), L type case (1) includes vertical box (11) and horizontal box (12), its characterized in that:
the top of the vertical box body (11) is provided with a first infrared distance meter (5), and the first infrared distance meter (5) is used for measuring the height distance between the top of the vertical box body (11) and the liquid level of concrete in the vertical box body (11);
the top of the horizontal box body (12) is provided with a second infrared distance meter (2), and the second infrared distance meter (2) is used for measuring the height distance between the top of the horizontal box body (12) and the liquid level of concrete in the horizontal box body (12).
2. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 1, wherein: the infrared distance measuring device is characterized by further comprising a first support frame (3) used for supporting and connecting the first infrared distance measuring device (5), wherein the first support frame (3) is arranged on the outer side of the vertical box body (11).
3. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 2, wherein: the first support frame (3) comprises a first base (31), a first vertical support structure (32) is vertically arranged on the first base (31), a first cross support structure (33) is transversely arranged on the upper portion of the first vertical support structure (32), and a first infrared range finder (5) is arranged on the first cross support structure (33).
4. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 3, wherein: the first cross brace structure (33) can vertically move relative to the first vertical brace structure (32), a first locking device (7) is arranged between the first cross brace structure (33) and the first vertical brace structure (32), and the first locking device (7) is used for fixing the relative position between the first cross brace structure (33) and the first vertical brace structure (32).
5. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 3, wherein: the first vertical supporting structures (32) are at least two, at least two adjacent vertical supporting structures (32) are arranged at intervals, and all the first vertical supporting structures (32) are provided with the first cross supporting structures (33).
6. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 3, wherein: the first cross brace structure (33) is a telescopic rod.
7. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to any one of claims 1-6, wherein: the infrared distance measuring device is characterized by further comprising a second support frame (4) used for supporting and connecting the second infrared distance measuring device (2), wherein the second support frame (4) is arranged on the outer side of the horizontal box body (12).
8. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 7, wherein: support frame two (4) are including base two (41), vertically on base two (41) be provided with erects strut structure two (42), erects strut structure two (42) upper portion and transversely is provided with stull structure two (43), infrared range finder two (2) set up in on stull structure two (43).
9. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 8, wherein: the second cross brace structure (43) can vertically move relative to the second vertical brace structure (42), a second locking device (6) is arranged between the second cross brace structure (43) and the second vertical brace structure (42), and the second locking device (6) is used for fixing the relative position between the second cross brace structure (43) and the second vertical brace structure (42).
10. The system for testing the height ratio of the self-compacting concrete L-shaped instrument according to claim 8, wherein: the vertical support structure II (42) is at least two, at least two adjacent vertical support structures II (42) are arranged at intervals, and all the vertical support structures II (42) are provided with the cross support structures II (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659745.4U CN215004829U (en) | 2021-03-31 | 2021-03-31 | Test system of self-compaction concrete L type appearance height ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659745.4U CN215004829U (en) | 2021-03-31 | 2021-03-31 | Test system of self-compaction concrete L type appearance height ratio |
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| Publication Number | Publication Date |
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| CN215004829U true CN215004829U (en) | 2021-12-03 |
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| CN202120659745.4U Active CN215004829U (en) | 2021-03-31 | 2021-03-31 | Test system of self-compaction concrete L type appearance height ratio |
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- 2021-03-31 CN CN202120659745.4U patent/CN215004829U/en active Active
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