Building material strength detection machine

Abstract

The utility model discloses a building material strength detection machine which comprises a detection table, a pressure detector is fixedly installed on the upper end face of the detection table through a supporting mechanism, and a first screw rod is rotatably installed on the upper end face of the detection table through two supporting plates. And a first motor connected with the first screw rod is fixedly installed on the outer wall of one supporting plate, two moving sleeves are installed on the outer wall of the first screw rod in a threaded mode, and a limiting rod is fixedly installed between the two supporting plates. By arranging the first screw rod, the limiting rod, the movable sleeves, the clamping plates and the like, the first screw rod is matched with the limiting rod to drive the two movable sleeves to move, at the moment, the two movable sleeves can respectively drive the two clamping plates to get close to each other through the matching of the connecting rods to clamp and fix a concrete block, and under the driving of the first screw rod, the concrete block can be clamped and fixed. And the distance between the two clamping plates can be adjusted, so that the concrete blocks with different sizes can be clamped and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of building material detection devices, in particular to a building material strength detection machine. Background Art

[0002] In order to complete the construction tasks of building products, enterprises organize and manage production affairs around construction objects and construction sites throughout the entire process from accepting the construction tasks to project acceptance. The ability of materials to resist damage under external forces is called the strength of the material. When the material is subjected to external forces, stress is generated inside it. As the external force increases, the stress increases accordingly until the binding force between the particles inside the material is not enough to resist the external force. The material is destroyed. The limit value of stress reached when the material is destroyed is called the ultimate strength of the material. Testing the strength of concrete test blocks is common in construction projects.

[0003] When testing building materials, a strength testing device is needed. In the prior art, the sizes of concrete test blocks vary. When testing the compressive strength of concrete test blocks, the concrete test blocks must be fixed. However, the sizes of the fixed structures of existing testing devices are fixed and cannot be adjusted, so that only concrete test blocks of a single size can be tested, which reduces the practicability of the device. Therefore, it is necessary to redesign a building material strength testing machine to address the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a building material strength testing machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A building material strength testing machine comprises a testing platform, wherein a pressure detector is fixedly installed on the upper end surface of the testing platform through a supporting mechanism, a first screw is rotatably installed on the upper end surface of the testing platform through two supporting plates, a first motor connected to the first screw is fixedly installed on the outer wall of one of the supporting plates, two moving sleeves are threadedly installed on the outer wall of the first screw, a limiting rod is fixedly installed between the two supporting plates, the limiting rod slides through the two moving sleeves, and the upper end surfaces of the two moving sleeves are fixedly connected with a clamping plate through a connecting mechanism, a moving frame is fixedly installed on the upper end surface of the testing platform through a supporting frame, a second screw is rotatably installed inside the moving frame, a second motor connected to the second screw is fixedly installed on the upper end surface of the support frame, a moving plate is threadedly installed on the outer wall of the second screw, a lower pressing block is fixedly connected to the bottom wall of the lower pressing block through a connecting mechanism, a plurality of anti-slip teeth are fixedly installed on the bottom wall of the lower pressing block, a lifting groove is opened on the outer wall of the testing platform, and a connecting plate is fixedly connected to the bottom wall of the lifting groove through a lifting mechanism.

[0007] Preferably, the support mechanism comprises a plurality of support rods fixedly mounted on the end surface of the detection platform, and an end of each of the support rods is fixedly connected to the bottom wall of the pressure detector.

[0008] Preferably, the connection mechanism comprises a connection rod fixedly mounted on the upper end surface of the movable sleeve, and the end of the connection rod is fixedly connected to the outer wall of the clamping plate.

[0009] Preferably, the connection mechanism comprises two connection rods fixedly mounted on the bottom wall of the movable plate, and ends of the two connection rods are fixedly connected to the upper end surface of the lower pressing block.

[0010] Preferably, the lifting mechanism comprises an electric push rod fixedly mounted on the bottom wall of the lifting slot, and the telescopic end of the electric push rod is fixedly connected to the bottom wall of the connecting plate.

[0011] Preferably, a plurality of protective plates are fixedly mounted on the upper end surface of the connecting plate, and a lifting opening cooperating with the plurality of protective plates is provided on the upper end surface of the detection platform, wherein an observation glass is fixedly mounted on the outer wall of one of the protective plates through the mounting opening.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting up components such as a first screw rod, a limiting rod, a movable sleeve and a clamping plate, the first screw rod drives the two movable sleeves to move by cooperating with the limiting rod. At this time, the two movable sleeves can respectively drive the two clamping plates to approach each other through the cooperation of the connecting rod to clamp and fix the concrete block. Under the drive of the first screw rod, the distance between the two clamping plates can be adjusted, thereby realizing the clamping and fixing of concrete blocks of different sizes.

[0014] 2. By setting up components such as electric push rods, connecting plates and protective plates, the electric push rod drives multiple protective plates to move upward in the lifting opening through the connecting plate. The cooperation of multiple protective plates can be used to enclose the concrete blocks. When the concrete blocks are broken, the multiple protective plates can be used to block them, so that the fragments can be prevented from splashing and causing harm to nearby operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a building material strength testing machine proposed by the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the vertical section structure;

[0017] Figure 3 This is a schematic diagram of a cross-sectional structure of a building material strength testing machine proposed by the utility model;

[0018] Figure 4 for Figure 2 A schematic diagram of the structure enlargement at point A;

[0019] Figure 5 for Figure 2 Schematic diagram of the enlarged structure at point B in FIG.

[0020] In the figure: 1 detection platform, 2 support rod, 3 pressure detector, 4 support plate, 5 first screw rod, 6 first motor, 7 limit rod, 8 movable sleeve, 9 connecting rod, 10 clamping plate, 11 support frame, 12 movable frame, 13 second screw rod, 14 second motor, 15 movable plate, 16 connecting rod, 17 lower pressure block, 18 electric push rod, 19 connecting plate, 20 protective plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-5 , a building material strength testing machine comprises a testing platform 1, a pressure detector 3 is fixedly installed on the upper end surface of the testing platform 1 through a supporting mechanism, the supporting mechanism comprises a plurality of supporting rods 2 fixedly installed on the upper end surface of the testing platform 1, and the end of each supporting rod 2 is fixedly connected to the bottom wall of the pressure detector 3, and a first screw 5 is rotatably installed on the upper end surface of the testing platform 1 through two supporting plates 4, and the first screw 5 is a double-headed screw, and a first motor 6 connected to the first screw 5 is fixedly installed on the outer wall of one of the supporting plates 4, and two moving sleeves 8 are threadedly installed on the outer wall of the first screw 5, and a limiting rod 7 is fixedly installed between the two supporting plates 4, and the limiting rod 7 slides through the two moving sleeves 8, and the limiting rod 7 can limit the two moving sleeves 8, so that the two moving sleeves 8 can only move axially along the outer wall of the first screw 5, and the upper end surfaces of the two moving sleeves 8 are fixedly connected with a clamping plate 10 through a connecting mechanism, and the connecting mechanism comprises a connecting rod 9 fixedly installed on the upper end surface of the moving sleeve 8, and the end of the connecting rod 9 is fixedly connected to the outer wall of the clamping plate 10.

[0023] A moving frame 12 is fixedly installed on the upper end surface of the detection table 1 through a supporting frame 11, and a second screw 13 is rotatably installed inside the moving frame 12. A second motor 14 connected to the second screw 13 is fixedly installed on the upper end surface of the support frame 11, and a moving plate 15 is threadedly installed on the outer wall of the second screw 13. The bottom wall of the moving plate 15 is fixedly connected to a lower pressing block 17 through a connecting mechanism. The connecting mechanism includes two connecting rods 16 fixedly installed on the bottom wall of the moving plate 15, and the ends of the two connecting rods 16 are fixedly connected to the upper end surface of the lower pressing block 17. Through the cooperation of the two connecting rods 16, the moving plate 15 can only move axially along the axial direction of the outer wall of the second screw 13, thereby realizing the vertical up and down movement of the lower pressing block 17.

[0024] A plurality of anti-slip teeth are fixedly installed on the bottom wall of the lower pressing block 17, a lifting groove is provided on the outer wall of the testing platform 1, and a connecting plate 19 is fixedly connected to the inner bottom wall of the lifting groove through a lifting mechanism. The lifting mechanism comprises an electric push rod 18 fixedly installed on the inner bottom wall of the lifting groove, and the telescopic end of the electric push rod 18 is fixedly connected to the bottom wall of the connecting plate 19, and a plurality of protective plates 20 are fixedly installed on the upper end surface of the connecting plate 19. A lifting opening cooperating with the plurality of protective plates 20 is provided on the upper end surface of the testing platform 1, and an observation glass is fixedly installed on the outer wall of one of the protective plates 20 through the installation opening. The observation glass is tempered glass, which is actually a prestressed glass. In order to improve the strength of the glass, chemical or physical methods are usually used to form compressive stress on the glass surface. When the glass is subjected to external force, the surface stress is first offset, thereby improving the bearing capacity and enhancing the glass's own resistance to wind pressure, cold and heat, impact, etc.

[0025] When the utility model is used, a concrete block is placed on the upper end surface of the pressure detector 3, and then the first motor 6 drives the first screw 5 to rotate, and the first screw 5 drives the two movable sleeves 8 to move by cooperating with the limit rod 7. At this time, the two movable sleeves 8 can respectively drive the two clamping plates 10 to approach each other through the cooperation of the connecting rod 9 to clamp and fix the concrete block. Under the drive of the first screw 5, the spacing between the two clamping plates 10 can be adjusted, so as to achieve the clamping and fixing of concrete blocks of different sizes. Before the compressive strength test of the concrete block is performed, the electric push rod 18 drives the multiple protective plates 20 to move upward in the lifting opening through the connecting plate 19. The concrete block can be enclosed by the cooperation of the multiple protective plates 20, and the detection process of the concrete block can be observed through the observation glass;

[0026] At the same time, the second motor 14 drives the second screw 13 to rotate, and the second screw 13 drives the moving plate 15 to move inside the moving frame 12. The moving plate 15 then drives the pressing block 17 to move downward through the cooperation of the two connecting rods 16, so that the bottom wall of the pressing block 17 contacts the upper end surface of the concrete block. When the pressing block 17 continues to press downward, the pressure detector 3 can be subjected to force, thereby detecting the force exerted on the concrete block. When the concrete block is pressed down and broken, the strength of the concrete block can be detected by the pressure detector 3. The anti-slip teeth can prevent the concrete block from sliding and displacing when it is pressed down. When the concrete block is broken, the shielding of multiple protective plates 20 can prevent the fragments from splashing and causing harm to nearby operators.

[0027] 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 building material strength testing machine, comprising a testing platform (1), characterized in that: The upper end surface of the detection platform (1) is fixedly mounted with a pressure detector (3) via a supporting mechanism. The upper end surface of the detection platform (1) is rotatably mounted with a first screw (5) via two supporting plates (4). A first motor (6) connected to the first screw (5) is fixedly mounted on the outer wall of one of the supporting plates (4). Two movable sleeves (8) are threadedly mounted on the outer wall of the first screw (5). A limit rod (7) is fixedly mounted between the two supporting plates (4). The limit rod (7) slides through the two movable sleeves (8). The upper end surfaces of the two movable sleeves (8) are fixedly connected with a clamping plate (10) via a connecting mechanism. The detection platform (1) A moving frame (12) is fixedly mounted on the upper end surface via a support frame (11), a second screw rod (13) is rotatably mounted inside the moving frame (12), a second motor (14) connected to the second screw rod (13) is fixedly mounted on the upper end surface of the support frame (11), a moving plate (15) is threadedly mounted on the outer wall of the second screw rod (13), a lower pressing block (17) is fixedly mounted on the bottom wall of the moving plate (15) via a connecting mechanism, a plurality of anti-slip teeth are fixedly mounted on the bottom wall of the lower pressing block (17), a lifting groove is provided on the outer wall of the testing platform (1), and a connecting plate (19) is fixedly mounted on the inner bottom wall of the lifting groove via a lifting mechanism.

2. A building material strength testing machine according to claim 1, characterized in that: The support mechanism comprises a plurality of support rods (2) fixedly mounted on the upper end surface of the detection platform (1), and the end of each support rod (2) is fixedly connected to the bottom wall of the pressure detector (3).

3. A building material strength testing machine according to claim 2, characterized in that: The connection mechanism comprises a connection rod (9) fixedly mounted on the upper end surface of the moving sleeve (8), and the end of the connection rod (9) is fixedly connected to the outer wall of the clamping plate (10).

4. A building material strength testing machine according to claim 3, characterized in that: The connecting mechanism comprises two connecting rods (16) fixedly mounted on the bottom wall of the movable plate (15), and the ends of the two connecting rods (16) are fixedly connected to the upper end surface of the lower pressing block (17).

5. A building material strength testing machine according to claim 4, characterized in that: The lifting mechanism comprises an electric push rod (18) fixedly mounted on the bottom wall of the lifting slot, wherein the telescopic end of the electric push rod (18) is fixedly connected to the bottom wall of the connecting plate (19).

6. A building material strength testing machine according to claim 5, characterized in that: A plurality of protective plates (20) are fixedly mounted on the upper end surface of the connecting plate (19), and a lifting opening cooperating with the plurality of protective plates (20) is provided on the upper end surface of the detection platform (1), wherein an observation glass is fixedly mounted on the outer wall of one of the protective plates (20) through the mounting opening.

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