Special detection tool for concrete slump test on building construction site

Abstract

The utility model discloses a special detection tool for a concrete slump test on a building construction site, which comprises a supporting plate, an opening is formed in the middle of the supporting plate, a cross rod is mounted at the opening, and two movable plates are mounted at the opening of the supporting plate and on two sides of the cross rod respectively. The ends, away from each other, of the two movable plates on the same side are rotationally connected with the supporting plate, limiting grooves are formed in the two sides of the supporting plate and below the movable plates, U-shaped limiting rods capable of supporting the movable plates are slidably arranged on the limiting grooves, and the two ends of each limiting rod can be inserted into the limiting grooves and are slidably connected with the limiting grooves. Adjusting bolts are installed at the four opposite angles of the supporting plate, the supporting plate is adjusted to be horizontal by rotating and adjusting the adjusting bolts at the four opposite angles of the supporting plate, the movable plate and the transverse rod form a plane under the supporting of the limiting rods to conduct a collapse test, and concrete is left on the plane after the test is completed. And the supporting plate can be conveniently moved away from a construction site for treatment through the limiting rods.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete slump detection, in particular to a special detection tool for concrete slump test at a construction site. Background Art

[0002] The concrete slump test refers to a test in which concrete is poured into a standard conical mold and, after the mold is removed, the height difference of the compressed concrete slump is measured. This test can help engineers understand the fluidity and plasticity of concrete, thereby ensuring the quality of concrete. At the construction site, in order to facilitate the cleaning of concrete after the test is completed, the utility model proposes a special detection tool for the concrete slump test at the construction site. Summary of the invention

[0003] The utility model aims to provide a special detection tool for concrete slump test at a construction site to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special detection tool for concrete slump test at a construction site, comprising a support plate, characterized in that: the support plate is open in the middle, and a cross bar is installed at the opening, two movable plates are respectively installed at the opening of the support plate and on both sides of the cross bar, and the ends of the two movable plates on the same side that are away from each other are rotatably connected to the support plate, and limiting grooves are provided on both sides of the support plate and below the movable plate, and limiting rods that can support the movable plates are slidably arranged on the limiting grooves, and the limiting rods are U-shaped, and both ends of the limiting rods can be inserted into the limiting grooves and slidably connected to the limiting grooves, and adjusting bolts are installed on the four diagonals of the support plate.

[0005] Preferably, the adjusting bolt passes through the supporting plate from the top of the supporting plate and is threadedly connected to the supporting plate, and the bottom of the adjusting bolt is rotatably connected to the base plate.

[0006] Preferably, two circular rings are installed on the outer side of the support plate, and a stirring rod is slidably placed inside the circular rings, and a scale for indicating the length is engraved on the outer surface of the stirring rod.

[0007] Preferably, the tops of the four movable plates and the top of the crossbar are located on the same horizontal plane, and sealing rubber strips are installed on the contact parts between the movable plates, the contact parts between the movable plates and the side walls of the support plates, and the contact parts between the movable plates and the crossbar.

[0008] Preferably, blocks are installed at both ends of the limiting rod.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: by rotating the adjusting bolts on the four diagonals of the support plate, the support plate is adjusted to be horizontal, and the movable plate forms a plane with the cross bar under the support of the limit rod to carry out the collapse test. After the test, the concrete remains on the plane, and the limit rod can conveniently move the support plate away from the construction site for disposal. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a top sectional view of the utility model;

[0011] Figure 2 This is a cross-sectional view of the connection between the limit rod and the movable plate of the utility model;

[0012] Figure 3 This is a cross-sectional view of the connection between the adjusting bolt and the support plate of the utility model.

[0013] In the figure: 1 supporting plate, 11 circular ring, 12 limiting groove, 2 movable plate, 3 limiting rod, 31 clamping block, 4 adjusting bolt, 41 bottom plate, 5 stirring rod. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Referring to Figures (1-3), a special detection tool for concrete slump test at a construction site includes a support plate 1, characterized in that: the support plate 1 is open in the middle and a cross bar is installed at the opening, two movable plates 2 are respectively installed at the opening of the support plate 1 and on both sides of the cross bar, and the ends of the two movable plates 2 on the same side that are away from each other are rotatably connected to the support plate 1, and limiting grooves 12 are provided on both sides of the support plate 1 and below the movable plate 2, and limiting rods 3 that can support the movable plates 2 are slidably arranged on the limiting grooves 12, and the limiting rods 3 are U-shaped, and both ends of the limiting rods 3 can be inserted into the limiting grooves 12 and are slidably connected to the limiting grooves 12, and adjusting bolts 4 are installed on the four diagonals of the support plate 1.

[0016] The adjusting bolt 4 passes through the supporting plate 1 from the top and is screwed to the supporting plate 1. The bottom of the adjusting bolt 4 is rotatably connected to a bottom plate 41. Two circular rings 11 are installed on the outside of the supporting plate 1. A stirring rod 5 is slidably placed inside the circular ring 11. The outer surface of the stirring rod 5 is engraved with a scale for indicating the length. The tops of the four movable plates 2 and the top of the cross bar are located on the same horizontal plane. The contact parts between the movable plates 2, the contact parts between the movable plates 2 and the side walls of the supporting plate 1, and the contact parts between the movable plates 2 and the cross bar are installed with sealing rubber strips. Blocks 31 are installed at both ends of the limit rod 3.

[0017] When the device is in use, the conical mold for the test is placed on the plane formed by the movable plate 2 and the cross bar, the adjusting bolt is rotated to adjust the height of each diagonal corner of the support plate 1 to make the support plate 1 horizontal, concrete is poured into the conical mold, and the stirring rod is removed to mix the concrete, then the mold is removed and the height of the concrete is measured. After the test is completed, the support plate 1 and the concrete left on the support plate 1 can be lifted up by grasping the limit rod 3 to the concrete processing and recycling area, and the limit rod 3 is pulled to retract it into the limit groove 12. The movable plate 2 loses the support of the limit rod 3, and the movable plate 2 is rotated downward under the action of the gravity of the concrete to make the concrete slide out, and then the concrete left on the movable plate and the cross bar is cleaned for subsequent continued use.

[0018] The orientations or positional relationships shown in the drawings are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A special detection tool for concrete slump test at a construction site, comprising a support plate (1), characterized in that: The support plate (1) has an opening in the middle and a cross bar is installed at the opening. Two movable plates (2) are installed at the opening of the support plate (1) and on both sides of the cross bar respectively. The ends of the two movable plates (2) on the same side that are away from each other are rotatably connected to the support plate (1). Limiting grooves (12) are provided on both sides of the support plate (1) and below the movable plates (2). Limiting rods (3) that can support the movable plates (2) are slidably arranged on the limiting grooves (12). The limiting rods (3) are U-shaped. Both ends of the limiting rods (3) can be inserted into the limiting grooves (12) and are slidably connected to the limiting grooves (12). Adjustment bolts (4) are installed on the four diagonal corners of the support plate (1).

2. A special detection tool for concrete slump test at a construction site according to claim 1, characterized in that: The adjusting bolt (4) passes through the supporting plate (1) from the top and is screwed to the supporting plate (1); the bottom of the adjusting bolt (4) is rotatably connected to the bottom plate (41).

3. A special detection tool for concrete slump test at a construction site according to claim 1, characterized in that: Two circular rings (11) are installed on the outside of the support plate (1), and a stirring rod (5) is slidably placed inside the circular rings (11). The outer surface of the stirring rod (5) is engraved with scales for indicating the length.

4. A special detection tool for concrete slump test at a construction site according to claim 1, characterized in that: The tops of the four movable plates (2) and the tops of the cross bars are located on the same horizontal plane, and sealing rubber strips are installed at the contact parts between the movable plates (2), the contact parts between the movable plates (2) and the side walls of the support plates (1), and the contact parts between the movable plates (2) and the cross bars.

5. A special detection tool for concrete slump test at a construction site according to claim 1, characterized in that: Blocks (31) are installed at both ends of the limiting rod (3).

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