Novel embedded concrete test mold

Abstract

The utility model discloses a novel embedded concrete test mold, which relates to the technical field of engineering experiments and comprises a test mold body and an outer frame, the outer frame is of a shell structure with an inner cavity and an open top, the test mold body can be adaptively embedded in the outer frame, and the bottom of the outer frame can be attracted by a magnet. And by utilizing the magnetism of the outer frame, the device can be stably placed on a vibration table and is very convenient to take.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering experiments, in particular to an embedded new concrete test mold. Background Art

[0002] There is a concrete compaction process in engineering material testing. A magnetic vibration table is needed during the vibration. The main purpose is to compact the concrete in the test mold and exhaust the air through the frequency vibration generated by the magnetic vibration table.

[0003] There are two types of test molds on the market: plastic test molds and cast iron test molds. Among them, the cast iron test mold can be tightly adsorbed on the vibration table, which to a certain extent ensures that the vibration effects on the test blocks in the same group are basically the same, which is beneficial to reduce the deviation of the test results of the test blocks in the same group. However, the cast iron test mold is too heavy and easy to be dragged down when the mold is removed. Therefore, plastic test molds are mainly used in practice. However, since plastic test molds are not magnetic and cannot be tightly fixed on the table, vibration will cause the test mold to move irregularly, often running off the track, converging or deviating to one side, or even falling. Even with a large number of manpower to watch over it, it is difficult to keep the test mold relatively fixed to the vibration table. Affected by this, the uniformity and density of the concrete cannot be guaranteed, resulting in a large deviation in the actual measured concrete strength, and even affecting the evaluation of the concrete strength results.

[0004] The patent document with application number CN202120588006.0 discloses a magnetic composite concrete test mold, including a test mold and a magnetic adsorption plate. The test mold is a cylindrical structure containing an inner chamber made of plastic material, and the magnetic adsorption plate is a steel plate. The test mold is detachably connected to the upper surface of the magnetic adsorption plate through a fastening component, and the fastener is a bolt. Although this method is lighter than the cast iron test mold and has better firmness than the plastic test mold, in order to remove the test mold during use, multiple bolts need to be removed one by one, which is cumbersome and inconvenient. Utility Model Content

[0005] In order to solve the technical problems existing in the background technology, the utility model proposes a new embedded concrete test mold.

[0006] A new embedded concrete test mold comprises: a test mold body and an outer frame. The outer frame is a shell structure with an inner cavity and an open top. The test mold body can be adapted and embedded in the outer frame, and the bottom of the outer frame can be adsorbed by a magnet.

[0007] As a further optimization of the above scheme, the four sides of the top opening of the test mold body extend horizontally outward to form a flange for overlapping the top edge of the outer frame when the test mold body is inserted into the outer frame. A vertical through slot is provided on the flange, and an insert block that can be inserted into the slot is provided on the top edge of the outer frame. The insert block is divided into an upper and lower part. The lower part is fixedly connected to the outer frame, and the upper part can be rotated relative to the lower part to form an offset fixed test mold body after passing through the slot.

[0008] As a further optimization of the above solution, notches are provided on the flanges on two opposite sides, and the insert blocks correspond to the notches one by one.

[0009] As a further optimization of the above solution, a space is reserved between the bottom of the test mold body and the inner bottom of the outer frame, and a movable vibrating block is built into the space to knock the bottom of the test mold body when the outer frame vibrates.

[0010] As a further optimization of the above solution, a support spring is provided at the bottom of the vibrating block, the support spring is fixed on the inner bottom of the outer frame, and there is a gap between the top of the vibrating block and the bottom side of the test mold body.

[0011] As a further optimization of the above solution, the vibrating block is made of soft rubber material.

[0012] As a further optimization of the above solution, the outer frame is in a grid shape.

[0013] 1. The utility model proposes a new embedded concrete test mold, the test mold body can be directly placed in the outer frame, and the adsorption of the outer frame is used to achieve the purpose of stable placement.

[0014] 2. The embedded new concrete test mold proposed in the utility model locks the test mold body by the relative misalignment of the upper and lower parts of the insert block, which is more convenient and quicker than the bolt fixing structure.

[0015] 3. The utility model proposes a new embedded concrete test mold, in which the vibrating block in the outer frame can produce the effect of knocking the test mold body when it vibrates, thereby further compacting the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a new embedded concrete test mold proposed by the utility model;

[0017] Figure 2 This is a structural schematic diagram of a test mold body of a new embedded concrete test mold proposed by the utility model;

[0018] Figure 3 The utility model discloses a structural schematic diagram of an outer frame of an embedded novel concrete test mold. DETAILED DESCRIPTION

[0019] This embodiment proposes a new type of embedded concrete test mold, such as Figure 1 As shown, the test mold body 1 includes a test mold body 1 and an outer frame 2, and the test mold body 1 is embedded in the outer frame 2.

[0020] Combination Figure 3 The outer frame 2 is a shell structure with an inner cavity and an open top. The bottom of the outer frame 2 can be adsorbed by a magnet. In order to further reduce the weight of the outer frame 2 and save materials, the outer frame 2 can adopt a grid structure.

[0021] Combination Figure 2 The four sides of the top opening of the test mold body 1 extend horizontally outward to form a flange 11 for overlapping the top edge of the outer frame 2 when the test mold body 1 is installed in the outer frame 2.

[0022] A vertically penetrating slot 3 is provided on the flanges 11 on both sides opposite to each other, and an insert block 4 corresponding to the slot 3 and insertable into the slot 3 is provided on the top edge of the outer frame 2. The insert block 4 is divided into an upper and lower part. The lower part 41 is fixedly connected to the outer frame 2, and the upper part 42 can rotate relative to the lower part 41 to form an offset fixed test mold body 1 after passing through the slot 3. Compared with the bolt fixing structure, it is more convenient and quick to take.

[0023] Furthermore, a space is reserved between the bottom of the test mold body 1 and the inner bottom of the outer frame 2, and a movable vibrating block 5 is installed in the space. A supporting spring 6 is provided at the bottom of the vibrating block 5, and the supporting spring 6 is fixed on the inner bottom of the outer frame 2. There is a gap between the top of the vibrating block 5 and the bottom side of the test mold body 1. When the outer frame 2 is adsorbed on the vibration table and follows its vibration, the vibrating block 5 will also move up and down to hit the bottom of the test mold body 1, thereby further compacting the concrete.

[0024] Since the test mold body 1 is made of plastic, in order to prevent the vibrating block 5 from breaking the test mold body 1, the vibrating block 5 is made of soft rubber, which only needs to have a knocking effect on the test mold body 1 and does not need to be too hard.

[0025] In this embodiment, the test mold body 1 can be directly placed in the outer frame 2, and the test mold body 1 can be locked by the relative offset of the upper and lower parts of the insert block 4, and the purpose of stable placement can be achieved by utilizing the adsorption property of the outer frame. In addition, the vibrating block 5 in the outer frame 2 can produce the effect of knocking on the test mold body 1 when it vibrates, thereby further compacting the concrete.

[0026] 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 new embedded concrete test mold, characterized in that: include: The test mold body (1) and the outer frame (2), the outer frame (2) is a shell structure with an inner cavity and an open top, the test mold body (1) can be adapted to be embedded in the outer frame (2), and the bottom of the outer frame (2) can be adsorbed by a magnet; The four sides of the top opening of the test mold body (1) extend outward horizontally to form a flange (11) for overlapping the top edge of the outer frame (2) when the test mold body (1) is inserted into the outer frame (2). A vertically penetrating slot (3) is provided on the flange (11). An insert block (4) that can be adapted to be inserted into the slot (3) is provided on the top edge of the outer frame (2). The insert block (4) is divided into an upper and lower part. The lower part (41) is fixedly connected to the outer frame (2), and the upper part (42) can rotate relative to the lower part (41) to form a displaced fixed test mold body (1) after passing through the slot (3).

2. The embedded new concrete test mold according to claim 1 is characterized in that: The slots (3) are formed on the flanges (11) on both sides opposite to each other, and the inserting blocks (4) correspond to the slots (3) one by one.

3. The embedded new concrete test mold according to claim 1 is characterized in that: A space is reserved between the bottom of the test mold body (1) and the inner bottom of the outer frame (2), and a movable vibrating block (5) is built into the space for striking the bottom of the test mold body (1) when the outer frame (2) vibrates.

4. The embedded new concrete test mold according to claim 3 is characterized in that: A support spring (6) is provided at the bottom of the vibrating block (5), and the support spring (6) is fixed on the inner bottom of the outer frame (2). There is a gap between the top of the vibrating block (5) and the bottom side of the test mold body (1).

5. The embedded new concrete test mold according to claim 4 is characterized in that: The vibrating block (5) is made of soft rubber material.

6. The embedded new concrete test mold according to claim 1 is characterized in that: The outer frame (2) is in a grid shape.

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