Compressive strength detection device

Abstract

The utility model belongs to the technical field of compressive strength detection, and particularly relates to a compressive strength detection device which comprises a base, a control panel is mounted on a mounting plate, an infrared generator and an infrared receiver are mounted on the base, a first measuring plate is assembled in a guide groove, and a second measuring plate is assembled in the guide groove. A second measuring plate is rotationally connected to the other side of the first measuring plate through a rotating shaft, a spring is welded to the bottom side of a sliding block, the second measuring plate is flush with the upper surface of the stone, an infrared generator emits infrared light beams upwards, the infrared light beams are reflected after meeting the second measuring plate, the reflected infrared light beams are ended by an infrared receiver, and the infrared receiver receives the infrared light beams; the interior of the infrared receiver carries out information processing and sends a signal to the control panel, that is, the control panel synchronously obtains pressure value data and height data of the stone, the compressive strength of the stone can be accurately judged according to the initial height data of the stone, and the detection accuracy can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of compressive strength detection, in particular to a compressive strength detection device. Background Art

[0002] In the process of testing building materials such as rocks, hollow bricks, refractory materials, engineering materials, stones, rubber bearings, etc., it is necessary to test their compressive strength, and a compressive strength testing device is needed.

[0003] A Chinese patent with publication number CN217385004U discloses a device for detecting the compressive strength of masonry, including a bottom plate and a top plate, a support screw is installed between the bottom plate and the top plate, a measuring mechanism is fixedly connected to the top plate, a clamping mechanism is connected below the measuring mechanism, a jack is fixedly connected below the clamping mechanism, and the jack is fixedly connected to the top of the bottom plate. The measuring mechanism includes a sensor, a wire and a display controller, the sensor is bolted to the bottom end of the top plate, and the sensor and the display controller are electrically connected together through a wire. The clamping mechanism includes an upper clamp and a lower clamp, the upper clamp is threadedly connected to the sensor, and the lower clamp is threadedly connected to the jack. The utility model adopts the above structure, which is convenient to disassemble and can realize the adjustment of the size of the device, so that the device is suitable for samples of different sizes, saving time and effort, and being simple and convenient.

[0004] In the process of testing stones, the existing compressive strength testing devices often make judgments by observing the changes in the appearance of the stones, resulting in poor detection accuracy; therefore, a compressive strength testing device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a compressive strength detection device.

[0006] The technical solution adopted by the utility model to solve its technical problem is: a compressive strength detection device described in the utility model comprises a base, a first support rod is installed on the base, a mounting plate is welded on the side wall of the first support rod, a control panel is installed on the mounting plate, an infrared generator and an infrared receiver are installed on the base, the infrared receiver is connected to the control panel through an internal circuit, a second support rod is installed on the base, a slide groove is provided in the second support rod, a slider is installed in the slide groove, a guide plate is welded on the top side of the slider, a guide groove is provided in the guide plate, a first measuring plate is installed in the guide groove, a limiting plate is welded on one side of the first measuring plate, and the first measuring plate is rotatably connected to the other side of the first measuring plate through a rotating shaft. There is a second measuring plate, a spring is welded on the bottom side of the slider, and the bottom side of the spring is fixedly connected to the base. Under the downward pulling force of the spring, the second measuring plate is flush with the upper surface of the stone, and an infrared beam is emitted upward by an infrared generator. The infrared beam is reflected after encountering the second measuring plate, and the reflected infrared beam is terminated by an infrared receiver. The infrared receiver processes information inside and sends the signal to the control panel, and the control panel obtains the height data of the stone. After that, the infrared beam emitted by the infrared generator is reflected after encountering the pressure block, and the control panel obtains the height data of the stone, that is, the control panel synchronously obtains the pressure value data and the height data of the stone. According to the initial height data of the stone, the compressive strength of the stone can be accurately judged, which is beneficial to improving the accuracy of the detection.

[0007] Preferably, a fixing plate is welded to the top side of the first support rod and the second support rod, a hydraulic cylinder is installed on the fixing plate, a hydraulic rod is connected to the bottom end of the hydraulic cylinder, the hydraulic rod passes through the fixing plate and a connecting plate is welded to the bottom side, a pressure sensor is installed on the bottom side of the connecting plate, the pressure sensor is connected to the control panel through an internal circuit, a pressure block is installed on the bottom side of the pressure sensor, the pressure block is located above the infrared generator and the infrared receiver, a load-bearing platform is fixedly installed on the base, the load-bearing platform is located below the pressure block, the height of the load-bearing platform is consistent with the height of the infrared receiver, by operating the hydraulic cylinder, the hydraulic rod moves vertically downward, the hydraulic rod pushes the connecting plate to move vertically downward, the connecting plate pushes the pressure sensor to move vertically downward, the pressure sensor pushes the pressure block to move vertically downward, the pressure block presses the stone downward, the pressure sensor transmits a signal to the control panel, the control panel obtains pressure value data, which is beneficial to intuitively obtain pressure resistance data.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model makes the second measuring plate flush with the upper surface of the stone under the downward pulling force of the spring, and emits an infrared beam upward through the infrared generator. The infrared beam is reflected after encountering the second measuring plate, and the reflected infrared beam is terminated by the infrared receiver. The infrared receiver processes information inside and sends the signal to the control panel, and the control panel obtains the height data of the stone. After that, the infrared beam emitted by the infrared generator is reflected after encountering the pressure block, and the control panel obtains the height data of the stone, that is, the control panel synchronously obtains the pressure value data and the height data of the stone, and the compressive strength of the stone can be accurately judged according to the initial height data of the stone, which is beneficial to improving the accuracy of detection.

[0010] 2. The utility model operates the hydraulic cylinder, the hydraulic rod moves vertically downward, the hydraulic rod pushes the connecting plate to move vertically downward, the connecting plate pushes the pressure sensor to move vertically downward, the pressure sensor pushes the pressure block to move vertically downward, the pressure block presses the stone downward, the pressure sensor transmits the signal to the control panel, the control panel obtains the pressure value data, which is beneficial to intuitively obtain the pressure resistance data. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 is a schematic diagram of the three-dimensional structure of the second support rod;

[0014] Figure 3 is a schematic diagram of the three-dimensional structure of the second measurement plate;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the pressure sensor.

[0016] In the figure: 1. base; 2. first support rod; 3. mounting plate; 4. control panel; 5. infrared generator; 6. infrared receiver; 7. second support rod; 8. slide groove; 9. slider; 10. guide plate; 11. guide groove; 12. first measuring plate; 13. second measuring plate; 14. spring; 15. fixing plate; 16. hydraulic cylinder; 17. hydraulic rod; 18. connecting plate; 19. pressure sensor; 20. pressure block; 21. load-bearing platform; 22. limit plate. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4 As shown, a compressive strength detection device includes a base 1, a first support rod 2 is installed on the base 1, a mounting plate 3 is welded on the side wall of the first support rod 2, a control panel 4 is installed on the mounting plate 3, an infrared generator 5 and an infrared receiver 6 are installed on the base 1, and the infrared receiver 6 is connected to the control panel 4 through an internal circuit, a second support rod 7 is installed on the base 1, a slide groove 8 is opened in the second support rod 7, a slider 9 is installed in the slide groove 8, a guide plate 10 is welded on the top side of the slider 9, a guide groove 11 is opened in the guide plate 10, a first measuring plate 12 is installed in the guide groove 11, and one side of the first measuring plate 12 is welded The limit plate 22 is connected, and the second measuring plate 13 is rotatably connected to the other side of the first measuring plate 12 through a rotating shaft. A spring 14 is welded to the bottom side of the slider 9, and the bottom side of the spring 14 is fixedly connected to the base 1. A fixing plate 15 is welded to the top side of the first support rod 2 and the second support rod 7. A hydraulic cylinder 16 is installed on the fixing plate 15, and a hydraulic rod 17 is connected to the bottom end of the hydraulic cylinder 16. The hydraulic rod 17 passes through the fixing plate 15 and is welded to the bottom side with a connecting plate 18. A pressure sensor 19 is installed on the bottom side of the connecting plate 18. The pressure sensor 19 is connected to the control panel 4 through an internal circuit. A pressure block 20 is installed on the bottom side of the pressure sensor 19. The pressure block 20 Located above the infrared generator 5 and the infrared receiver 6, a load-bearing platform 21 is fixedly installed on the base 1, and the load-bearing platform 21 is located below the pressure block 20, and the height of the load-bearing platform 21 is consistent with the height of the infrared receiver 6; when working, the existing compressive strength detection device often makes judgments by observing the changes in the appearance of the stone during the detection of the stone, resulting in poor detection accuracy. By placing the square stone on the load-bearing platform 21, rotating the second measuring plate 13, making the second measuring plate 13 parallel to the first measuring plate 12, and then pushing the connection between the first measuring plate 12 and the second measuring plate 13 into the guide groove of the guide plate 10 11, the second measuring plate 13 is clamped, so that the second measuring plate 13 is placed horizontally, and the second measuring plate 13 is placed on the square stone. At this time, the spring 14 is in a stretched state. Under the downward pulling force of the spring 14, the second measuring plate 13 is flush with the upper surface of the stone. The infrared generator 5 emits an infrared beam upward, and the infrared beam is reflected after encountering the second measuring plate 13. The reflected infrared beam is terminated by the infrared receiver 6. The infrared receiver 6 processes information internally and sends the signal to the control panel 4. The control panel 4 obtains the height data of the stone, and then the second measuring plate 13 is folded for storage;

[0019] By operating the hydraulic cylinder 16, the hydraulic rod 17 moves vertically downward, the hydraulic rod 17 pushes the connecting plate 18 to move vertically downward, the connecting plate 18 pushes the pressure sensor 19 to move vertically downward, the pressure sensor 19 pushes the pressing block 20 to move vertically downward, the pressing block 20 presses the stone downward, the model of the pressure sensor 19 is NS-TH18, the pressure sensor 19 transmits the signal to the control panel 4, and the control panel 4 obtains the pressure value data;

[0020] At the same time, the infrared light beam emitted by the infrared generator 5 is reflected after encountering the pressure block 20, and the reflected infrared light beam is terminated by the infrared receiver 6. The infrared receiver 6 processes the information internally and sends the signal to the control panel 4. The control panel 4 obtains the height data of the stone, that is, the control panel 4 synchronously obtains the pressure value data and the height data of the stone. According to the initial height data of the stone, the compressive strength of the stone can be accurately judged, which is conducive to improving the accuracy of the detection.

[0021] Working principle: In the process of testing stones, the existing compressive strength testing devices often make judgments by observing the changes in the appearance of the stones, which leads to poor detection accuracy. The square stone is placed on the load-bearing platform 21, and the second measuring plate 13 is rotated to make the second measuring plate 13 parallel to the first measuring plate 12. Then, the connection between the first measuring plate 12 and the second measuring plate 13 is pushed into the guide groove 11 of the guide plate 10, so that the second measuring plate 13 is clamped and placed horizontally. The second measuring plate 13 is placed on the square stone. At this time, the spring 14 is in a stretched state. Under the downward pulling force of the spring 14, the second measuring plate 13 is flush with the upper surface of the stone. An infrared light beam is emitted upward through the infrared generator 5. The infrared light beam is reflected after encountering the second measuring plate 13. The reflected infrared light beam is terminated by the infrared receiver 6. The infrared receiver 6 processes information internally and sends the signal to the control panel 4. The control panel 4 obtains the stone. Height data, then the second measuring plate 13 is folded for storage; by operating the hydraulic cylinder 16, the hydraulic rod 17 moves vertically downward, the hydraulic rod 17 pushes the connecting plate 18 to move vertically downward, the connecting plate 18 pushes the pressure sensor 19 to move vertically downward, the pressure sensor 19 pushes the pressing block 20 to move vertically downward, the pressing block 20 presses the stone downward, the model of the pressure sensor 19 is NS-TH18, the pressure sensor 19 transmits the signal to the control panel 4, the control panel 4 obtains the pressure value data; at the same time, the infrared light beam emitted by the infrared generator 5 is reflected after encountering the pressing block 20, and the reflected infrared light beam is terminated by the infrared receiver 6, the infrared receiver 6 performs information processing inside and sends the signal to the control panel 4, the control panel 4 obtains the height data of the stone, that is, the control panel 4 synchronously obtains the pressure value data and the height data of the stone, according to the initial height data of the stone, the compressive strength of the stone can be accurately judged, which is conducive to improving the accuracy of the detection.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A compressive strength testing device, characterized in that The invention comprises a base (1), wherein a first support rod (2) is mounted on the base (1), a mounting plate (3) is welded on the side wall of the first support rod (2), a control panel (4) is mounted on the mounting plate (3), an infrared generator (5) and an infrared receiver (6) are mounted on the base (1), the infrared receiver (6) is connected to the control panel (4) through an internal circuit, a second support rod (7) is mounted on the base (1), a slide groove (8) is provided in the second support rod (7), and the slide groove (8) is ) is equipped with a slider (9) inside, a guide plate (10) is welded on the top side of the slider (9), a guide groove (11) is provided in the guide plate (10), a first measuring plate (12) is equipped in the guide groove (11), a limiting plate (22) is welded on one side of the first measuring plate (12), a second measuring plate (13) is rotatably connected to the other side of the first measuring plate (12) via a rotating shaft, a spring (14) is welded on the bottom side of the slider (9), and the bottom side of the spring (14) is fixedly connected to the base (1).

2. A compressive strength testing device according to claim 1, characterized in that: A fixing plate (15) is welded to the top side of the first support rod (2) and the second support rod (7), and a hydraulic cylinder (16) is mounted on the fixing plate (15).

3. A compressive strength testing device according to claim 2, characterized in that: The bottom end of the hydraulic cylinder (16) is connected to a hydraulic rod (17), and the hydraulic rod (17) passes through the fixing plate (15) and has a connecting plate (18) welded to the bottom side.

4. A compressive strength testing device according to claim 3, characterized in that: A pressure sensor (19) is installed on the bottom side of the connecting plate (18), and the pressure sensor (19) is connected to the control panel (4) via an internal circuit.

5. A compressive strength testing device according to claim 4, characterized in that: A pressure block (20) is installed on the bottom side of the pressure sensor (19), and the pressure block (20) is located above the infrared generator (5) and the infrared receiver (6).

6. A compressive strength testing device according to claim 1, characterized in that: A load-bearing platform (21) is fixedly mounted on the base (1), and the load-bearing platform (21) is located below the pressing block (20). The height of the load-bearing platform (21) is consistent with the height of the infrared receiver (6).

Images