Precast concrete stair strength detection device

Abstract

The utility model discloses a prefabricated concrete stair strength detection device, which belongs to the technical field of concrete piece strength detection, and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with two fixed frames, the inner top wall of each fixed frame is rotatably connected with a first threaded rod, the outer surface of each first threaded rod is in threaded connection with a moving block, and the moving block is in threaded connection with a movable block. Electric push rods are fixedly connected to the side faces, close to each other, of the two moving blocks. According to the precast concrete stair strength detection device, fixing plates can be pushed to get close to each other through an electric push rod, precast concrete with different widths is clamped, rotating wheels are screwed, and the precast concrete with different thicknesses is fixed by matching a positioning plate with vertical movement of a moving block, so that the precast concrete can be more stable in the detection process; through left-right movement of the sliding block and front-back movement of the supporting block, the hydraulic cylinder can be matched with the pressing plate to carry out multi-directional strength detection on the precast concrete, and the measurement result is more accurate.

Description

Technical Field

[0001] The present application belongs to the technical field of concrete component strength detection, and in particular, relates to a precast concrete staircase strength detection device. Background Art

[0002] Concrete is an indispensable material in modern construction projects. Compressive strength is the most important indicator of concrete. When making concrete stairs, the strength of precast concrete needs to be tested.

[0003] The utility model with the existing authorization announcement number CN219870713U discloses a concrete strength detection device for municipal engineering, including an adjustment component, a detection component, a cleaning component and a fixing component, the top of the adjustment component is fixedly connected to the cleaning component, the top of the cleaning component is provided with a detection component, and the bottom of the adjustment component is fixedly connected to the fixing component; the adjustment component includes a base plate, a T-shaped slide rail is fixedly connected at the top center position of the base plate, and L-shaped plates are slidably connected to the tops of both sides of the T-shaped slide rail.

[0004] By adopting the above technical scheme, the pressure sensor is driven by the rubber plate to abut against the concrete test block to be tested, and the L-shaped plates on both sides move in opposite directions. The test debris scraped off by the cleaning scraper can fall into the collection bin through the middle gap, realizing the technical effect of flexible adjustment and positioning and convenient cleaning, and achieving the technical purpose of improving detection accuracy and saving time and effort. However, according to the above technical scheme, at present, the strength test of precast concrete parts usually uses a pressure component to squeeze one side wall of the test block, and the strength of the concrete is obtained by the pressure value and the deformation of the test block. The traditional detection method is difficult to effectively fix the test block, and it is impossible to perform strength test on the test block in multiple directions, resulting in inaccurate strength test results.

[0005] To this end, we proposed a precast concrete stair strength detection device to solve the above problems. Utility Model Content

[0006] The purpose of this application is to solve the problem in the prior art that it is difficult to fix and detect concrete detection parts in multiple directions, and to propose a precast concrete stair strength detection device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A precast concrete stair strength detection device comprises a base plate, the upper surface of the base plate is fixedly connected to two fixing frames, the inner top wall of each fixing frame is rotatably connected to a first threaded rod, the outer surface of each first threaded rod is threadedly connected to a moving block, the side surfaces of the two moving blocks close to each other are fixedly connected to an electric push rod, the telescopic end of each electric push rod is fixedly connected to a fixing plate, the interior of each fixing plate is threadedly connected to a rotating rod, the top of each rotating rod is fixedly connected to a rotating wheel, the bottom end of each rotating rod is fixedly connected to a positioning plate, the bottom end of each first threaded rod passes through the base plate and extends to the bottom of the base plate, a rotating motor is arranged below the base plate, and the power output end of the rotating motor is sleeved with two silicone belts, the inner wall of each silicone belt is connected to the first The outer surfaces of the threaded rods are in contact with each other, and two fixing frames are fixedly connected to the upper surface of the base plate, and the left side surface of one of the fixing frames is fixedly connected to two driving motors, and the power output end of each driving motor is fixedly connected to a second threaded rod, and each of the second threaded rods is rotatably connected to the inside of the fixing frame, and the outer surface of each of the second threaded rods is threadedly connected to a slider, and the front side of one of the sliders is fixedly connected to two auxiliary motors, and the power output end of each auxiliary motor is fixedly connected to a third threaded rod, and each of the third threaded rods is rotatably connected to the inside of the slider, and the outer surfaces of the two third threaded rods are commonly threadedly connected to a support block, and the bottom surface of the support block is fixedly connected to a hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected to a pressing plate, and the upper surface of the pressing plate is fixedly connected to a pressure sensor.

[0009] Preferably, four supporting legs are fixedly connected to the bottom surface of the base plate, and a fixed foot is fixedly connected to the bottom surface of each supporting leg.

[0010] Preferably, a control panel is fixedly connected to the left side surface of one of the fixing frames, and the control panel is electrically connected to the pressure sensor via a wire.

[0011] Preferably, the inner side wall of each of the fixed frames is provided with two slide grooves, the left and right side surfaces of each of the movable blocks are fixedly connected with limit blocks, and each of the limit blocks is slidably connected with the slide grooves.

[0012] Preferably, a protective shell is fixedly connected to the bottom surface of the bottom plate, three ventilation holes are opened on the left side of the protective shell, and the rotating motor is located inside the protective shell.

[0013] Preferably, a fixing seat is fixedly connected to the inner side wall of the protective shell, and a left side surface of the fixing seat is fixedly connected to the outer surface of the rotating motor.

[0014] Preferably, a stabilizing seat is fixedly connected to the front side of each of the driving motors, and a right side surface of each of the stabilizing seat is fixedly connected to the left side surface of one of the fixing frames.

[0015] Preferably, two limit plates are fixedly connected to the upper surfaces of the two fixing frames, and each of the sliding blocks is slidably connected to the inside of the limit plates.

[0016] In summary, the technical effects and advantages of this application are:

[0017] By setting a rotating motor, the silicone belt can be driven to rotate, the silicone belt rotation can drive the first threaded rod to rotate, the first threaded rod rotation can drive the moving block to move up and down, the electric push rod can push the fixed plates to approach each other, and the precast concrete of different widths can be clamped. The rotating wheel is twisted to use the positioning plate to cooperate with the up and down movement of the moving block to fix the precast concrete of different thicknesses, so that the precast concrete can be more stable during the detection process.

[0018] By setting up a fixed frame, the driving motor can be supported, and the power of the driving motor can be used to drive the second threaded rod to rotate. The rotation of the second threaded rod can move the slider left and right. The rotation of the auxiliary motor can drive the third threaded rod to rotate. The rotation of the third threaded rod can move the support block back and forth. Through the left and right movement of the slider and the back and forth movement of the support block, the hydraulic cylinder can cooperate with the pressing plate to perform multi-directional strength detection on the precast concrete, thereby making the measurement result more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the bottom plate of the utility model;

[0020] Figure 2 It is a three-dimensional structural diagram of the driving motor of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the fixing plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the rotating motor of the utility model when viewed from above.

[0023] In the figure: 1. bottom plate; 2. fixed frame; 3. first threaded rod; 4. moving block; 5. electric push rod; 6. fixed plate; 7. rotating rod; 8. rotating wheel; 9. positioning plate; 10. rotating motor; 11. silicone belt; 12. fixed frame; 13. driving motor; 14. second threaded rod; 15. slider; 16. auxiliary motor; 17. third threaded rod; 18. supporting block; 19. hydraulic cylinder; 20. pressing plate; 21. pressure sensor; 22. supporting leg; 23. fixing foot; 24. control panel; 25. slide groove; 26. limit block; 27. protective shell; 28. ventilation hole; 29. ​​fixing seat; 30. stabilizing seat; 31. limit plate. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1-4 A precast concrete stair strength testing device includes a base plate 1, the bottom surface of the base plate 1 is fixedly connected with four supporting legs 22, the bottom surface of each supporting leg 22 is fixedly connected with a fixing foot 23, the supporting legs 22 can support the device, and the fixing foot 23 can fix the device to make the device more stable.

[0026] Two fixed frames 2 are fixedly connected to the upper surface of the base plate 1, and the inner top wall of each fixed frame 2 is rotatably connected to a first threaded rod 3, and the outer surface of each first threaded rod 3 is threadedly connected to a moving block 4, and the inner side wall of each fixed frame 2 is provided with two sliding grooves 25, and the left and right sides of each moving block 4 are fixedly connected to a limiting block 26, and each limiting block 26 is slidably connected to the sliding groove 25. The sliding groove 25 can limit the limiting block 26, so that the moving block 4 is more stable during the up and down movement, thereby ensuring that the moving block 4 can operate stably.

[0027] The side surfaces of the two moving blocks 4 that are close to each other are fixedly connected with electric push rods 5, and the telescopic ends of each electric push rod 5 are fixedly connected with a fixing plate 6. The interior of each fixing plate 6 is threadedly connected with a rotating rod 7, and the top of each rotating rod 7 is fixedly connected with a rotating wheel 8, and the bottom end of each rotating rod 7 is fixedly connected with a positioning plate 9. The bottom end of each first threaded rod 3 penetrates the bottom plate 1 and extends to the bottom of the bottom plate 1. A rotating motor 10 is arranged under the bottom plate 1, and a protective shell 27 is fixedly connected to the bottom surface of the bottom plate 1. Three ventilation holes 28 are opened on the left side surface of the protective shell 27. The rotating motor 10 is located inside the protective shell 27. The protective shell 27 can protect the rotating motor 10 and prevent the rotating motor 10 from being disturbed. The ventilation holes 28 can dissipate heat for the rotating motor 10.

[0028] The power output end of the rotating motor 10 is sleeved with two silicone belts 11, and the inner wall of the protective shell 27 is fixedly connected with a fixing seat 29, and the left side of the fixing seat 29 is fixedly connected to the outer surface of the rotating motor 10. The fixing seat 29 can fix the rotating motor 10, so that the rotating motor 10 and the protective shell 27 are more closely connected, thereby ensuring the stable operation of the rotating motor 10.

[0029] The inner wall of each silicone belt 11 is in contact with the outer surface of the first threaded rod 3. Two fixing frames 12 are fixedly connected to the upper surface of the base plate 1. A control panel 24 is fixedly connected to the left side of one of the fixing frames 12. The control panel 24 is electrically connected to the pressure sensor 21 through a wire. The control panel 24 can measure the pressure for debugging and transmit the data of the pressure sensor 21 to the pressure control panel 24 so that the data can be clearly displayed.

[0030] Two drive motors 13 are fixedly connected to the left side of one of the fixed frames 12, and a stabilizing seat 30 is fixedly connected to the front of each drive motor 13. The right side of each stabilizing seat 30 is fixedly connected to the left side of one of the fixed frames 12. The stabilizing seat 30 can fix the drive motor 13, so that the drive motor 13 is more tightly connected to the fixed frame 12, thereby ensuring the stable operation of the drive motor 13.

[0031] The power output end of each driving motor 13 is fixedly connected to a second threaded rod 14, each second threaded rod 14 is rotatably connected to the inside of the fixed frame 12, and a slider 15 is threadedly connected to the outer surface of each second threaded rod 14. The upper surfaces of the two fixed frames 12 are commonly fixedly connected to two limit plates 31, and each slider 15 is slidably connected to the inside of the limit plate 31. The limit plate 31 can limit the slider 15 to prevent the slider 15 from swinging back and forth during the movement, thereby ensuring that the slider 15 moves more smoothly. Two auxiliary motors 16 are fixedly connected to the front side of one of the sliders 15, and the power output end of each auxiliary motor 16 is fixedly connected to a third threaded rod 17, and each third threaded rod 17 is rotatably connected to the inside of the slider 15. The outer surfaces of the two third threaded rods 17 are commonly threadedly connected to a support block 18, and the bottom surface of the support block 18 is fixedly connected to a hydraulic cylinder 19, and the telescopic end of the hydraulic cylinder 19 is fixedly connected to a pressing plate 20, and the upper surface of the pressing plate 20 is fixedly connected to a pressure sensor 21.

[0032] The working principle of the utility model is as follows: when in use, firstly, the electric push rod 5, the rotating motor 10, the driving motor 13, the auxiliary motor 16, the hydraulic cylinder 19, the pressure sensor 21 and the control panel 24 are connected to the power supply, and the rotating motor 10 is started. The rotating motor 10 rotates to drive the two silicone belts 11 at the power output end to rotate, and the silicone belt 11 rotates to drive the first threaded rod 3 to rotate. The rotation of the first threaded rod 3 will cause the moving block 4 threadedly connected to the first threaded rod 3 to move up and down. The electric push rod 5 can push the fixing plates 6 to approach each other to clamp precast concrete of different widths. The rotating wheel 8 uses the positioning plate 9 to cooperate with the up and down movement of the moving block 4 to fix the precast concrete of different thicknesses. , which can make the precast concrete more stable during the detection process, the fixed frame 12 can support the driving motor 13, the rotation of the driving motor 13 can drive the second threaded rod 14 to rotate, the rotation of the second threaded rod 14 can make the slider 15 move left and right, the rotation of the auxiliary motor 16 can drive the third threaded rod 17 to rotate, the rotation of the third threaded rod 17 can make the support block 18 move forward and backward, through the left and right movement of the slider 15 and the front and back movement of the support block 18, the hydraulic cylinder 19 can cooperate with the pressing plate 20 to perform multi-directional strength detection on the precast concrete, and the pressure sensor 21 is used to transmit the detection data to the control panel 24, which can clearly display the detection results and make the measurement results more accurate.

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] 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 precast concrete staircase strength testing device, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to two fixing frames (2); the inner top wall of each fixing frame (2) is rotatably connected to a first threaded rod (3); the outer surface of each first threaded rod (3) is threadedly connected to a moving block (4); the side surfaces of the two moving blocks (4) close to each other are fixedly connected to an electric push rod (5); the telescopic end of each electric push rod (5) is fixedly connected to a fixing plate (6); the interior of each fixing plate (6) is threadedly connected to a rotating rod (7); each rotating rod (7) is threadedly connected to a fixing plate (6); and the inner surface of each fixing plate (6) is threadedly connected to a rotating rod (7). The top end of each rod (7) is fixedly connected to a rotating wheel (8), the bottom end of each rotating rod (7) is fixedly connected to a positioning plate (9), the bottom end of each first threaded rod (3) passes through the bottom plate (1) and extends to the bottom of the bottom plate (1), a rotating motor (10) is arranged below the bottom plate (1), and the power output end of the rotating motor (10) is sleeved with two silicone belts (11), the inner wall of each silicone belt (11) is in contact with the outer surface of the first threaded rod (3), and the bottom plate (1) is provided with a rotating motor (10). Two fixing frames (12) are fixedly connected to the upper surface, the left side of one of the fixing frames (12) is fixedly connected to two driving motors (13), the power output end of each driving motor (13) is fixedly connected to a second threaded rod (14), each of the second threaded rods (14) is rotatably connected to the inside of the fixing frame (12), the outer surface of each second threaded rod (14) is threadedly connected to a slider (15), the front side of one of the sliders (15) is fixedly connected to two auxiliary motors (16), the power output end of each auxiliary motor (16) is fixedly connected to a third threaded rod (17), each of the third threaded rods (17) is rotatably connected to the inside of the slider (15), the outer surfaces of the two third threaded rods (17) are commonly threadedly connected to a support block (18), the bottom surface of the support block (18) is fixedly connected to a hydraulic cylinder (19), the telescopic end of the hydraulic cylinder (19) is fixedly connected to a pressing plate (20), and the upper surface of the pressing plate (20) is fixedly connected to a pressure sensor (21).

2. A precast concrete stair strength detection device according to claim 1, characterized in that: Four supporting legs (22) are fixedly connected to the bottom surface of the bottom plate (1), and a fixing foot (23) is fixedly connected to the bottom surface of each supporting leg (22).

3. A precast concrete stair strength detection device according to claim 1, characterized in that: A control panel (24) is fixedly connected to the left side of one of the fixing frames (12), and the control panel (24) is electrically connected to the pressure sensor (21) via a wire.

4. A precast concrete stair strength detection device according to claim 1, characterized in that: The inner side wall of each fixed frame (2) is provided with two slide grooves (25), the left and right side surfaces of each movable block (4) are fixedly connected to a limit block (26), and each limit block (26) is slidably connected to the slide groove (25).

5. A precast concrete stair strength detection device according to claim 1, characterized in that: A protective shell (27) is fixedly connected to the bottom surface of the bottom plate (1), three ventilation holes (28) are provided on the left side surface of the protective shell (27), and the rotating motor (10) is located inside the protective shell (27).

6. A precast concrete stair strength detection device according to claim 5, characterized in that: A fixing seat (29) is fixedly connected to the inner side wall of the protective shell (27), and a left side surface of the fixing seat (29) is fixedly connected to the outer surface of the rotating electrical machine (10).

7. A precast concrete stair strength detection device according to claim 1, characterized in that: The front side of each driving motor (13) is fixedly connected to a stabilizing seat (30), and the right side surface of each stabilizing seat (30) is fixedly connected to the left side surface of one of the fixing frames (12).

8. The precast concrete stair strength detection device according to claim 1, characterized in that: Two limit plates (31) are fixedly connected to the upper surfaces of the two fixing frames (12), and each of the sliding blocks (15) is slidably connected inside the limit plates (31).

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