CN220418994U - Concrete bending and compression testing machine - Google Patents

Abstract

The utility model discloses a concrete bending and compression testing machine, which comprises an industrial control mechanism and a test bed, wherein a support frame is arranged on the test bed, a stress plate and a pressure plate are sequentially arranged in the support frame from top to bottom. According to the concrete bending and compression resistant testing machine, the retractable protective cover is arranged, so that the outward splashing of concrete test blocks can be greatly reduced, and the operation safety coefficient and the cleanliness are improved.

Description

Concrete bending and compression testing machine

Technical Field

The utility model relates to the technical field of concrete test devices, in particular to a concrete flexural compression testing machine.

Background

The concrete flexural compression testing machine is mainly used for testing flexural strength and compressive strength of test pieces such as concrete, bricks and the like, and is ideal detection equipment for industrial and mining enterprises, scientific research institutions and engineering quality supervision departments. The specific working principle is as follows: when the concrete test block is crushed by testing, the concrete is subjected to a loading force value, so that whether the concrete is qualified or not is judged.

In the process, the concrete test block is likely to be crushed and splashed, so that the test block is easy to damage test staff, and the test field is polluted, so that the clean work is not easy to spread.

Disclosure of Invention

In order to solve the problems, the utility model provides the concrete bending and compression resistant testing machine, which can greatly reduce the outward splashing of concrete test blocks and improve the operation safety coefficient and the cleanliness by arranging the retractable protective cover.

In order to achieve the aim, the utility model provides a concrete bending and compression testing machine which comprises an industrial control mechanism and a test bed, wherein a support frame is arranged on the test bed, a stress plate and a pressure plate are sequentially arranged inside the support frame from top to bottom.

Preferably, the pressure plate is provided with a pushing groove, one end of the pushing groove is a blind end, and the other end of the pushing groove is an open end;

the placing plate enters the pushing groove through the opening end, and a concrete test block is placed at the top end of the placing plate.

Preferably, a clamping plate is arranged on the pressure plate and close to the opening end of the pushing groove, and is used for positioning the placing plate into the pushing groove.

Preferably, the placing plate is fixedly provided with an opening and closing arc plate for positioning two ends of the winding drum, the opening and closing arc plate comprises an upper arc plate and a lower arc plate which are fixed on the placing plate, a circular arc rotating hole for connecting the winding drum is formed between the upper arc plate and the lower arc plate, and the circular arc rotating hole is sequentially connected with the winding drum through an outer sleeve and a torsion spring in a rotating mode.

Preferably, the upper arc plate and the lower arc plate are connected through a positioning screw.

The utility model has the following beneficial effects:

1. the possibility of outwards splashing of the concrete test block is greatly avoided, and the operation safety coefficient and the cleanliness are improved;

2. the pressure plate is detachably provided with a placing plate for placing the concrete test block, so that the concrete test block can be conveniently cleaned after the experiment is finished;

3. the arrangement of the transparent soft curtain does not obstruct the observation test.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic structural view of a concrete flexural compression testing machine of the present utility model;

fig. 2 is a schematic diagram of a drum installation structure of the concrete flexural compression testing machine.

Wherein: 1. an industrial control mechanism; 2. a support frame; 3. a force-bearing plate; 4. a retraction protection unit; 41. a transparent soft curtain; 42. positioning a screw; 43. an upper arc plate; 44. an outer sleeve; 45. a reel; 46. a torsion spring; 47. a lower arc plate; 5. placing a plate; 6. and a pressure plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, and it should be noted that, while the present embodiment provides a detailed implementation and a specific operation process on the premise of the present technical solution, the protection scope of the present utility model is not limited to the present embodiment.

FIG. 1 is a schematic structural view of a concrete flexural compression testing machine of the present utility model; fig. 2 is a schematic diagram of a drum installation structure of the concrete flexural compression testing machine, as shown in fig. 1 and 2, the structure of the utility model comprises an industrial control mechanism 1 and a test bed, a support frame 2 is arranged on the test bed, a stress plate 3 and a pressure plate 6 are sequentially arranged inside the support frame 2 from top to bottom, the utility model also comprises a retractable protective cover which is arranged around the placing position of a concrete test block, the retractable protective cover comprises four groups of retractable protective units 4 which are arranged in a rectangular frame, the retractable protective unit 4 comprises a drum 45 and a transparent soft curtain 41 with one end being in winding connection with the drum 45, and the other end of the transparent soft curtain 41 is fixedly connected with the stress plate 3.

Preferably, the pressure plate 6 is provided with a pushing groove, one end of the pushing groove is a blind end, and the other end of the pushing groove is an open end; the placing plate 5 enters the pushing groove through the opening end, and a concrete test block is placed at the top end of the placing plate 5. The pushing groove in this embodiment is in the shape of a horn-shaped notch, facilitating pushing of the placement plate 5.

Preferably, a clamping plate is provided on the pressure plate 6 near the open end of the push-in groove for positioning the placing plate 5 inside the push-in groove. Clamping grooves (the clamping grooves are positioned on the straight line segments of the horn-shaped notch) are formed in the two ends of the pressure plate 6 and correspond to the clamping plates, and the clamping plates can be clamped into the clamping grooves to play a role in positioning during use.

Preferably, the placing plate 5 is fixed with an opening and closing arc plate for positioning two ends of the winding drum 45, the opening and closing arc plate comprises an upper arc plate 43 and a lower arc plate 47 fixed on the placing plate 5, a major arc rotating hole for connecting the winding drum 45 is formed between the upper arc plate 43 and the lower arc plate 47, and the major arc rotating hole is sequentially connected with the winding drum 45 in a rotating way through the outer sleeve 44 and the torsion spring 46. The upper arc plate 43 and the lower arc plate 47 are connected by the positioning screw 42, so that the winding drum 45 is convenient to take off when the placing plate 5 is cleaned.

The working flow is as follows: firstly, placing a concrete test block in the center of a placing plate 5 and corresponding to a stressed plate 3, then pushing the placing plate 5 with the concrete test block into a push-in groove, then clamping a clamping plate, then placing a winding drum 45 with an outer sleeve 44 and a torsion spring 46 in a major arc rotating hole, rotating a positioning screw 42, fixing an upper arc plate 43 on a lower arc plate 47, positioning the winding drum 45 until all four groups of retraction protecting units 4 are positioned, opening an industrial control mechanism 1, driving a pressure plate 6 to move upwards, winding a transparent soft curtain 41 on the winding drum 45 under the action of the torsion spring 46 until the concrete test block is clamped between the pressure plate 6 and the stressed plate 3, crushing the concrete test block, recording the pressure value at the moment, driving the pressure plate 6 to move downwards, driving the transparent soft curtain 41 to wind out of the winding drum 45 until reset, reversely rotating the positioning screw 42, taking down the winding drum 45, and taking out the placing plate 5 from the push-in groove, thus cleaning the placing plate 5.

Therefore, the concrete bending and compression resistant testing machine can greatly reduce the outward splashing of the concrete test block by arranging the retractable protective cover, and improves the operation safety coefficient and the cleanliness.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (5)

1. The utility model provides a concrete compression testing machine that rolls over, includes industrial computer mechanism and test bench, is provided with the support frame on the test bench, and the support frame is inside to having set gradually atress board and pressure plate from top to bottom, its characterized in that: the retractable protective cover is arranged around the placing position of the concrete test block and comprises four groups of retractable protective units which are arranged in a rectangular frame, each retractable protective unit comprises a winding drum and a transparent soft curtain with one end in winding connection with the winding drum, and the other end of the transparent soft curtain is fixedly connected with the stress plate.

2. The concrete flexural compression testing machine of claim 1 wherein: the pressure plate is provided with a pushing groove, one end of the pushing groove is a blind end, and the other end of the pushing groove is an open end;

the placing plate enters the pushing groove through the opening end, and a concrete test block is placed at the top end of the placing plate.

3. The concrete flexural compression testing machine of claim 2 wherein: and a clamping plate is arranged on the pressure plate and close to the opening end of the pushing groove and used for positioning the placing plate into the pushing groove.

4. The concrete flexural compression testing machine of claim 2 wherein: be fixed with the arc board that opens and shuts that is used for fixing a position the reel both ends on placing the board, the arc board that opens and shuts is including being fixed in last arc board and the lower arc board of placing on the board, goes up the arc board and goes up the arc hole that the arc board down was used for connecting the reel in the wall between the arc board, and the arc hole that rotates is connected with the reel through outer tube and torsional spring in proper order.

5. The concrete flexural compression testing machine according to claim 4, wherein: the upper arc plate and the lower arc plate are connected through a positioning screw.