Concrete penetration resistance meter

Abstract

The utility model relates to the technical field of concrete testing, in particular to a concrete penetration resistance meter which comprises a bottom plate, a vertical plate is riveted to the left side of the top of the bottom plate, a frame is riveted to the top of the right side of the vertical plate, and the right side of the frame is connected with a servo motor through a bolt. The output end of the servo motor penetrates into an inner cavity of the frame and is fixedly connected with a lead screw, the surface of the lead screw is sleeved with a first movable plate in a threaded mode, and the bottom of the first movable plate is connected with a first electric push rod through a bolt. Through cooperation of the servo motor, the lead screw, the first movable plate, the linear motor and the displacement mechanism, the concrete surface testing device has the advantage of position adjusting function, when multiple positions of the concrete surface need to be tested, the linear motor is controlled by the controller to work, and the moving end of the linear motor drives the transverse rod, the supporting plate and the transverse plate to move; and the transverse plate drives the mortar cylinder and the concrete to move, so that the position is adjusted front and back.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete testing, in particular to a concrete penetration resistance tester. Background Technique

[0002] A concrete penetration resistance tester is an instrument used for the setting time test of concrete mixtures, and the penetration resistance method is used to determine the setting time of concrete.

[0003] After retrieval, the publication number is CN216208374U, and the name is an electric concrete penetration resistance tester, including a main shaft connecting rod. Through research and analysis, it is found that although it has the advantages of more accurate determination of the initial and final setting times of concrete during use, to a certain extent, there are still the following disadvantages.

[0004] For example, it does not have a position adjustment function. When detecting the object to be tested, in order to ensure the reliability of the data, multiple penetration tests need to be carried out on the surface of the object to be tested. However, the above device does not have an adjustment structure and cannot adjust the position of the object to be tested, resulting in the need for manual handling, thus increasing the workload of the staff. To solve the above technical problems, we designed a concrete penetration resistance tester. Content of the Utility Model

[0005] The purpose of the utility model is to provide a concrete penetration resistance tester, which has the advantages of position adjustment function and cleaning function, and solves the problems that the existing penetration resistance tester cannot automatically adjust the position of the mortar cylinder during use and cannot scrape and clean the impurities remaining on the inner wall of the mortar cylinder after the test.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A concrete penetration resistance tester, including a bottom plate, a vertical plate is riveted to the left side of the top of the bottom plate, a frame body is riveted to the top of the right side of the vertical plate, a servo motor is connected to the right side of the frame body through bolts, the output end of the servo motor penetrates into the inner cavity of the frame body and is fixedly connected with a lead screw, a first movable plate is threadedly sleeved on the surface of the lead screw, a first electric push rod is connected to the bottom of the first movable plate through bolts, the output end of the first electric push rod is connected to a pressure sensor through bolts, a test needle is connected to the bottom of the pressure sensor through bolts, a second movable plate is threadedly sleeved on the right side of the surface of the lead screw, a cleaning mechanism is connected to the bottom of the second movable plate through bolts, the cleaning mechanism includes a second electric push rod, a linear motor is connected to the left side of the top of the bottom plate through bolts, and a displacement mechanism is connected to the moving end of the linear motor through bolts, and the displacement mechanism includes a cross bar.

[0007] Preferably, the top of the second electric push rod is connected to the second movable plate by bolts, the output end of the second electric push rod is connected with a fixed plate by bolts, and scraping plates are riveted to the front side and the rear side of the fixed plate.

[0008] Preferably, a support plate is riveted to the right end of the cross bar, a horizontal plate is riveted to the right side of the support plate, balls are inlaid and installed at the bottom of the horizontal plate, the bottom of the balls is in contact with the bottom plate, a mortar barrel is placed on the top of the horizontal plate, and limiting plates are riveted to both sides, the front side and the rear side of the top of the horizontal plate.

[0009] Preferably, first reinforcing ribs are riveted to the front side and the rear side of the top of the right side of the vertical plate, the top of the first reinforcing ribs is riveted to the frame body, second reinforcing ribs are riveted to the bottom of the front side and the bottom of the rear side of the vertical plate, and the bottom of the second reinforcing ribs is riveted to the bottom plate.

[0010] Preferably, double-brake casters are connected to the four corners of the bottom of the bottom plate by bolts, a controller is connected to the front side of the vertical plate by bolts, the output end of the controller is unidirectionally electrically connected to the servo motor, the linear motor, the first electric push rod and the second electric push rod respectively, and the controller is bidirectionally electrically connected to the pressure sensor.

[0011] Preferably, sliders are riveted to the front side and the rear side of the first movable plate and the front side and the rear side of the second movable plate, sliding holes are formed in the front side and the rear side of the frame body, and the opposite sides of the sliders extend into the inner cavities of the sliding holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. Through the cooperation of the servo motor, the lead screw, the first movable plate, the linear motor and the displacement mechanism, the utility model has the advantage of position adjustment function. When it is necessary to perform multiple position tests on the surface of concrete, the linear motor is controlled to work by the controller, and the moving end of the linear motor drives the cross bar, the support plate and the horizontal plate to move, and the horizontal plate drives the mortar barrel and the concrete to move, so as to adjust the position thereof back and forth.

[0014] 2. Through the cooperation of the second movable plate, the second electric push rod and the cleaning mechanism, the utility model has the advantage of cleaning function. The controller controls the servo motor to operate, the output end of the servo motor drives the lead screw to rotate, and the lead screw makes the first movable plate and the second movable plate move to the left side by being threadedly connected with the first movable plate and the second movable plate. When the scraping plate moves to the top of the mortar barrel, the controller stops the operation of the servo motor. At the same time, the controller controls the second electric push rod to work, and the output end of the second electric push rod drives the fixed plate and the scraping plate to move downward, and the scraping plate scrapes and cleans the impurities adhered to the inner wall of the mortar barrel. Description of the Drawings

[0015] Figure 1This is a three-dimensional view of the structure of the present utility model;

[0016] Figure 2 This is a three-dimensional view of a partial structure of the present utility model;

[0017] Figure 3 This is a three-dimensional view of the frame structure of the present utility model;

[0018] Figure 4 This is a bottom-up three-dimensional view of a partial structure of the present utility model.

[0019] In the figure: 1. bottom plate; 2. vertical plate; 3. frame; 4. servo motor; 5. lead screw; 6. first movable plate; 7. first electric push rod; 8. pressure sensor; 9. test needle; 10. second movable plate; 11. cleaning mechanism; 12. second electric push rod; 13. linear motor; 14. displacement mechanism; 15. cross bar; 16. fixed plate; 17. scraper; 18. support plate; 19. cross plate; 20. ball; 21. mortar cylinder; 22. limit plate; 23. double-brake caster; 24. slider; 25. sliding hole; 26. controller. Detailed implementation manners

[0020] Please refer to Figures 1-4 , a concrete penetration resistance tester, comprising a bottom plate 1, a vertical plate 2 is riveted to the left side of the top of the bottom plate 1, a frame 3 is riveted to the top of the right side of the vertical plate 2, a servo motor 4 is connected to the right side of the frame 3 through bolts, the output end of the servo motor 4 penetrates into the inner cavity of the frame 3 and is fixedly connected to a lead screw 5, a first movable plate 6 is threadedly sleeved on the surface of the lead screw 5, a first electric push rod 7 is connected to the bottom of the first movable plate 6 through bolts, the output end of the first electric push rod 7 is connected to a pressure sensor 8 through bolts, a test needle 9 is connected to the bottom of the pressure sensor 8 through bolts, a second movable plate 10 is threadedly sleeved on the right side of the surface of the lead screw 5, a cleaning mechanism 11 is connected to the bottom of the second movable plate 10 through bolts, the cleaning mechanism 11 includes a second electric push rod 12, a linear motor 13 is connected to the left side of the top of the bottom plate 1 through bolts, a displacement mechanism 14 is connected to the moving end of the linear motor 13 through bolts, and the displacement mechanism 14 includes a cross bar 15.

[0021] Please refer to Figure 1 , the top of the second electric push rod 12 is connected to the second movable plate 10 through bolts, the output end of the second electric push rod 12 is connected to a fixed plate 16 through bolts, a scraper 17 is riveted to the front side and the rear side of the fixed plate 16. By providing the scraper 17, the impurities adhered to the inner wall of the mortar cylinder 21 can be scraped and cleaned, preventing the impurities from adhering to the inside of the mortar cylinder 21.

[0022] Please refer to Figure 1 and Figure 4, a support plate 18 is riveted to the right end of the cross bar 15, a horizontal plate 19 is riveted to the right side of the support plate 18, a ball 20 is inlaid and installed at the bottom of the horizontal plate 19. By providing the ball 20, the horizontal plate 19 can be supported assistantly, making it more stable during movement. The bottom of the ball 20 contacts the bottom plate 1. A mortar cylinder 21 is placed on the top of the horizontal plate 19, and limiting plates 22 are riveted to both sides, the front side and the rear side of the top of the horizontal plate 19.

[0023] Please refer to Figure 1 , first reinforcing ribs are riveted to both the front side and the rear side of the top of the right side of the vertical plate 2, the top of the first reinforcing rib is riveted to the frame 3, and second reinforcing ribs are riveted to both the bottom of the front side and the bottom of the rear side of the vertical plate 2. By providing the second reinforcing ribs, the vertical plate 2 can be reinforced and supported, preventing it from bending. The bottom of the second reinforcing rib is riveted to the bottom plate 1.

[0024] Please refer to Figure 1 , double-brake casters 23 are connected to the four corners of the bottom of the bottom plate 1 by bolts. By providing the double-brake casters 23, it is convenient for the user to move the device, increasing the convenience of the device. A controller 26 is connected to the front side of the vertical plate 2 by bolts. The output ends of the controller 26 are unidirectionally electrically connected to the servo motor 4, the linear motor 13, the first electric push rod 7 and the second electric push rod 12 respectively. The controller 26 is bidirectionally electrically connected to the pressure sensor 8.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 , sliders 24 are riveted to both the front side and the rear side of the first movable plate 6 and both the front side and the rear side of the second movable plate 10. Slide holes 25 are provided on both the front side and the rear side of the frame 3. By providing the sliders 24 and the slide holes 25, the two movable plates can be guided, and the opposite sides of the sliders 24 extend into the inner cavity of the slide holes 25.

[0026] During use, pour the concrete into the inner cavity of the mortar cylinder 21, and then wait for a period of time. When testing is required, control the first electric push rod 7 to work through the controller 26. The output end of the first electric push rod 7 drives the pressure sensor 8 and the test needle 9 to move downward. The bottom of the test needle 9 penetrates into the concrete. The pressure sensor 8 monitors the pressure in real time and transmits the pressure value to the controller 26 for display, so as to test its resistance. When multiple positions need to be tested, the controller 26 controls the first electric push rod 7 to contract, and then controls the linear motor 13 to work through the controller 26. The moving end of the linear motor 13 drives the cross bar 15, the support plate 18 and the cross plate 19 to move. The cross plate 19 drives the mortar cylinder 21 and the concrete to move, so as to adjust the position back and forth, and then test the surface of the concrete again. After the test is completed, pour out the concrete inside the mortar cylinder 21, and then place the mortar cylinder 21 on the top of the cross plate 19. The controller 26 controls the servo motor 4 to operate. The output end of the servo motor 4 drives the lead screw 5 to rotate. The lead screw 5 makes the first movable plate 6 and the second movable plate 10 move to the left through threaded connection with the first movable plate 6 and the second movable plate 10. When the scraper 17 moves to the top of the mortar cylinder 21, the controller 26 stops the servo motor 4 from operating. At the same time, the controller 26 controls the second electric push rod 12 to work. The output end of the second electric push rod 12 drives the fixed plate 16 and the scraper 17 to move downward. The scraper 17 scrapes and cleans the impurities adhering to the inner wall of the mortar cylinder 21.

[0027] To sum up, through the cooperation of the servo motor 4, the lead screw 5, the first movable plate 6, the linear motor 13, the displacement mechanism 14, the second movable plate 10, the second electric push rod 12 and the cleaning mechanism 11, the existing penetration resistance tester solves the problems that in the process of use, the position of the mortar cylinder cannot be automatically adjusted, and the impurities remaining on the inner wall of the mortar cylinder cannot be scraped and cleaned after the test.

Claims

1. A concrete penetration resistance meter, comprising a bottom plate (1), characterized in that: A vertical plate (2) is riveted to the left side of the top of the bottom plate (1), a frame (3) is riveted to the top of the right side of the vertical plate (2), a servo motor (4) is connected to the right side of the frame (3) by bolts, an output end of the servo motor (4) penetrates into the inner cavity of the frame (3) and is fixedly connected to a screw rod (5), a first movable plate (6) is threadedly sleeved on the surface of the screw rod (5), a first electric push rod (7) is connected to the bottom of the first movable plate (6) by bolts, and a pressure sensor (8) is connected to the output end of the first electric push rod (7) by bolts. ), the bottom of the pressure sensor (8) is connected to a test needle (9) by bolts, the right side thread sleeve on the surface of the screw rod (5) is provided with a second movable plate (10), the bottom of the second movable plate (10) is connected to a cleaning mechanism (11) by bolts, the cleaning mechanism (11) includes a second electric push rod (12), the left side of the top of the base plate (1) is connected to a linear motor (13) by bolts, the moving end of the linear motor (13) is connected to a displacement mechanism (14) by bolts, and the displacement mechanism (14) includes a cross bar (15).

2. A concrete penetration resistance meter according to claim 1, characterized in that: The top of the second electric push rod (12) is connected to the second movable plate (10) by bolts, and the output end of the second electric push rod (12) is connected to a fixed plate (16) by bolts, and the front and rear sides of the fixed plate (16) are riveted with scrapers (17).

3. A concrete penetration resistance meter according to claim 1, characterized in that: A support plate (18) is riveted to the right end of the cross bar (15), a cross plate (19) is riveted to the right side of the support plate (18), a ball bearing (20) is embedded and installed at the bottom of the cross plate (19), the bottom of the ball bearing (20) is in contact with the bottom plate (1), a mortar cylinder (21) is placed on the top of the cross plate (19), and limit plates (22) are riveted to both sides, the front side and the rear side of the top of the cross plate (19).

4. A concrete penetration resistance meter according to claim 1, characterized in that: The front and rear sides of the top right side of the vertical plate (2) are riveted with first reinforcing ribs, the top of the first reinforcing rib is riveted to the frame (3), the bottom of the front and rear sides of the vertical plate (2) are riveted with second reinforcing ribs, the bottom of the second reinforcing rib is riveted to the bottom plate (1).

5. A concrete penetration resistance meter according to claim 1, characterized in that: The four corners of the bottom of the base plate (1) are connected to double-brake casters (23) by bolts, and the front side of the vertical plate (2) is connected to a controller (26) by bolts. The output end of the controller (26) is unidirectionally electrically connected to the servo motor (4), the linear motor (13), the first electric push rod (7) and the second electric push rod (12), respectively, and the controller (26) is bidirectionally electrically connected to the pressure sensor (8).

6. A concrete penetration resistance meter according to claim 1, characterized in that: The front and rear sides of the first movable plate (6) and the front and rear sides of the second movable plate (10) are riveted with sliders (24), the front and rear sides of the frame (3) are provided with sliding holes (25), and the opposite side of the slider (24) extends to the inner cavity of the sliding hole (25).

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