CN210665750U

CN210665750U - Concrete slump experimental device

Info

Publication number: CN210665750U
Application number: CN201921560688.3U
Authority: CN
Inventors: 曹以
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-02
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a concrete slump experimental apparatus, comprising a base plate, the first backup pad of top fixedly connected with and the second backup pad of bottom plate, just first backup pad and second backup pad are located the top symmetry setting of bottom plate, be equipped with the slump bucket between first backup pad and the second backup pad, the symmetry is equipped with two L type poles on the lateral wall of slump bucket. The utility model discloses a first backup pad and the second backup pad that set up, cooperation L type pole can carry out one effectively to the slump bucket and support and fix for to the in-process of concrete tamping, the skew can not appear in the slump bucket, and can not lead to the concrete to take place to incline because of the shake when mentioning the slump bucket, has ensured the stability of whole slump bucket, improves whole measuring accuracy.

Description

Concrete slump experimental device

Technical Field

The utility model relates to a concrete performance detection equipment field especially relates to a concrete slump experimental apparatus.

Background

Slump is the workability of concrete, and particularly, the normal operation of construction is guaranteed, wherein the slump comprises the water retention, the fluidity and the cohesiveness of the concrete, and the slump test method comprises the following steps: 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 collapse phenomenon due to the dead weight, and the height of the highest point of the concrete after the collapse is subtracted by the barrel height (300mm), namely the slump. If the difference is 100mm, the slump is 100.

However, in the existing concrete slump detection device, after concrete materials are filled in a slump bucket, because there is no reliable supporting point, in the tamping process of the filled concrete, the slump bucket is easy to shift, and the slump bucket is lifted by workers with both hands, and the concrete has certain cohesive force on the inner wall of the slump bucket, so that in the lifting process, the whole concrete is inclined due to easy shaking, thereby causing deviation in measurement, most of measurement places are directly selected on the ground of a construction site, the actual measurement accuracy is easily influenced due to uneven ground, and therefore, a concrete slump experimental device needs to be designed urgently to solve the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing experimental device is leading-in the slump bucket with the concrete after, to the in-process of concrete tamping, the slump bucket can be because do not obtain effectively fixed and the skew appears to shake or displacement appear easily when needs mention the slump bucket and make the concrete sample appear inclining from this, influence actual measured data, and used experiment ground is uneven, has directly reduced measuring accuracy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a concrete slump experimental apparatus, includes the bottom plate, the first backup pad of top fixedly connected with and the second backup pad of bottom plate, just first backup pad and second backup pad are located the top symmetry setting of bottom plate, be equipped with the slump bucket between first backup pad and the second backup pad, the symmetry is equipped with two L type poles on the lateral wall of slump bucket, L type pole is kept away from and is equipped with the recess on one side lateral wall of slump bucket, first backup pad and second backup pad are close to equal fixedly connected with limiting plate on one side lateral wall of slump bucket, just the limiting plate joint is in the recess, first backup pad is kept away from and is equipped with measuring device on one side lateral wall of limiting plate.

Preferably, the measuring device comprises a sliding groove arranged on the side wall of the first supporting plate, an opening communicated with the sliding groove is formed in the side wall of the first supporting plate, a sliding block is connected to the sliding groove in a sliding mode, a cross rod is arranged on the outer side of the sliding groove, and one end, close to the sliding groove, of the cross rod is rotatably connected with the outer side wall of the sliding block through a rotating shaft.

Preferably, the first supporting plate is located the spout and is equipped with the scale with one side, the lateral wall fixed connection of scale and first supporting plate.

Preferably, a handle is fixedly connected to the side wall of the L-shaped rod, which is far away from the groove, and an anti-slip sleeve made of rubber materials is arranged on the surface of the handle.

Preferably, the slump bucket, the L-shaped rod and the handle are all made of aluminum alloy materials.

The utility model has the advantages that: through the first backup pad and the second backup pad that set up, cooperation L type pole can carry out one effectively to the slump bucket and support and fix for to the in-process of concrete tamping, the skew can not appear in the slump bucket, and can not lead to the concrete to take place to incline because of the shake when mentioning the slump bucket, has ensured the stability of whole slump bucket, improves whole measuring accuracy.

Drawings

Fig. 1 is a schematic front structural view of a concrete slump testing device provided by the utility model;

FIG. 2 is a schematic top view of a base plate structure;

FIG. 3 is a schematic side view of a slump bucket configuration;

FIG. 4 is a schematic top view of a slump cone structure;

fig. 5 is an enlarged view of the structure a in fig. 1.

In the figure: the device comprises a base plate 1, a first supporting plate 2, a second supporting plate 3, a slump bucket 4, a 5L-shaped rod, a limiting plate 6, a groove 7, a sliding groove 8, a sliding block 9, a rotating shaft 10, a cross rod 11, a graduated scale 12 and a handle 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a concrete slump test device comprises a bottom plate 1, a first supporting plate 2 and a second supporting plate 3 are fixedly connected to the top end of the bottom plate 1, the first supporting plate 2 and the second supporting plate 3 are symmetrically arranged at the top end of the bottom plate 1, a slump bucket 4 is arranged between the first supporting plate 2 and the second supporting plate 3, two L-shaped rods 5 are symmetrically arranged on the outer side wall of the slump bucket 4, a groove 7 is arranged on the side wall of the L-shaped rod 5 away from the slump bucket 4, a handle 13 is fixedly connected to the side wall of the L-shaped rod 5 away from the groove 7, an anti-slip sleeve made of rubber material is arranged on the surface of the handle 13 to increase the friction force on the surface of the anti-slip sleeve, so that a worker can lift the slump bucket 4, a limiting plate 6 is fixedly connected to the side walls of the first supporting plate 2 and the second supporting plate 3 close to the slump bucket 4, and the limiting plate 6 is clamped in the groove 7, so as to fix the slump bucket 4, avoid the slump bucket 4 to deflect due to the action of external force when the concrete in the slump bucket is tamped, and simultaneously, when the slump bucket 4 needs to be lifted, the slump bucket 4 can be ensured to have stable supporting force to prevent the concrete from inclining due to shaking and influence the whole measuring effect, a measuring device is arranged on the side wall of the first supporting plate 2 far away from the limiting plate 6, the measuring device comprises a sliding groove 8 arranged on the side wall of the first supporting plate 2, an opening communicated with the sliding groove 8 is arranged on the side wall of the first supporting plate 2, a sliding block 9 is connected in the sliding groove 8 in a sliding way, a cross rod 11 is arranged on the outer side of the sliding groove 8, one end of the cross rod 11 close to the sliding groove 8 is rotationally connected with the outer side wall of the sliding block 9 through a rotating shaft 10, a scale 12 is arranged on the same side of the sliding groove 8 of the first supporting plate 2, the scale 12 is fixedly connected with the, slide block 9 rotates horizontal pole 11 simultaneously for the top of horizontal pole 11 and concrete is in same height, so that measure the slump of concrete according to scale 12, need not the manual work and take the scale measurement again, slump bucket 4, L type pole 5 and handle 13 are aluminium alloy material and make, alleviate its self weight with this, make the staff be convenient for mention it.

The utility model discloses in, when using the device, at first aim at limiting plate 6 on first backup pad 2 and the second backup pad 3 with recess 7 on the L type pole 5, let slump bucket 4 place on bottom plate 1's top through L type pole 5 is fixed back stationarily, the concrete that will allocate this moment is leading-in to slump bucket 4, with the concrete tamping and let it fill whole slump bucket 4, at the in-process of whole tamping, because limiting plate 6 and recess 7 joint, so the skew can not appear in slump bucket 4, after floating the concrete at slump bucket 4 top, hold handle 13 by hand, with the help of first backup pad 2 and second backup pad 3's support, mention slump bucket 4 upwards with a steady speed, guarantee that the slope can not appear because of the shake of slump bucket 4 in the concrete, improve whole measuring accuracy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A concrete slump experimental device comprises a bottom plate (1) and is characterized in that, the top end of the bottom plate (1) is fixedly connected with a first supporting plate (2) and a second supporting plate (3), the first supporting plate (2) and the second supporting plate (3) are symmetrically arranged at the top end of the bottom plate (1), a slump bucket (4) is arranged between the first supporting plate (2) and the second supporting plate (3), two L-shaped rods (5) are symmetrically arranged on the outer side wall of the slump barrel (4), a groove (7) is arranged on the side wall of one side of the L-shaped rod (5) far away from the slump barrel (4), the side walls of the first supporting plate (2) and the second supporting plate (3) close to the slump bucket (4) are both fixedly connected with a limiting plate (6), the limiting plate (6) is clamped in the groove (7), and a measuring device is arranged on the side wall of the first supporting plate (2) far away from the limiting plate (6).

2. A concrete slump experimental device according to claim 1, wherein the measuring device comprises a sliding groove (8) arranged on the side wall of the first supporting plate (2), an opening communicated with the sliding groove (8) is formed in the side wall of the first supporting plate (2), a sliding block (9) is connected in the sliding groove (8) in a sliding manner, a cross rod (11) is arranged on the outer side of the sliding groove (8), and one end, close to the sliding groove (8), of the cross rod (11) is rotatably connected with the outer side wall of the sliding block (9) through a rotating shaft (10).

3. A concrete slump experiment device according to claim 2, wherein the first support plate (2) is provided with a graduated scale (12) on the same side of the sliding chute (8), and the graduated scale (12) is fixedly connected with the side wall of the first support plate (2).

4. A concrete slump test device according to claim 1, wherein a handle (13) is fixedly connected to the side wall of the L-shaped rod (5) far away from the groove (7), and an anti-slip sleeve made of rubber materials is arranged on the surface of the handle (13).

5. The concrete slump test device as claimed in claim 1, wherein the slump barrel (4), the L-shaped rod (5) and the handle (13) are all made of aluminum alloy materials.