Building concrete quality testing device

Abstract

This invention discloses a concrete quality testing device, comprising a set of front side plates and a load-bearing rear plate. The rear sides of the front side plates are fixedly connected to the front sides of the load-bearing rear plate. A counterweight mechanism is provided on the top of the load-bearing rear plate. A lifting mechanism and a clamping mechanism are provided between the front side plates. A start-stop mechanism is provided between the front side plates. The counterweight mechanism is a load-bearing plate, with a turntable on top. Multiple protruding plates are evenly arranged on the outer wall of the turntable. A circular groove is formed at the top of the other end of each of the protruding plates, and multiple first telescopic rods are fixedly connected to the top of the grooves. A counterweight block is provided on the top of the load-bearing frame. Through the counterweight mechanism, the first motor causes the turntable to rotate under the limiting action of multiple protrusions and grooves. This allows multiple counterweight blocks to extend sequentially under the action of a first hydraulic rod and be placed at the same position on the testing plate, ensuring uniform force on the testing plate and maintaining uniform testing force on the concrete sample, thus avoiding errors in the test results.

Description

Technical Field

[0001] This invention relates to the field of concrete testing technology, and more particularly to a device for testing the quality of building concrete. Background Technology

[0002] Construction engineering refers to the engineering entity formed by the construction of various buildings and their ancillary facilities, as well as the installation of supporting lines, pipelines, and equipment. Concrete is the most frequently used material in construction engineering. After the concrete is laid, the quality of the concrete floor needs to be tested. Concrete quality inspection can be divided into three main aspects: internal quality (compressive strength, flexural strength, frost resistance, impermeability, chloride ion penetration resistance, and steel reinforcement protective layer thickness, etc.), surface quality, and dimensional quality. Among these, the compressive strength of concrete is an important standard for quality testing.

[0003] When testing concrete, different weights are added to the testing plate according to the structural parameters of the concrete sample. However, the weights must be placed in the same position when added; otherwise, uneven stress on the concrete sample will affect the test results. Furthermore, different samples have different specifications, so the dimensions of the clamping components must be adjusted accordingly. Therefore, there is an urgent need for a concrete quality testing device to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a building concrete quality testing device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A building concrete quality testing device includes a set of front side plates and a load-bearing rear plate. The rear side of the set of front side plates is fixedly connected to the front side of the load-bearing rear plate. A counterweight mechanism is provided on the top of the load-bearing rear plate. A lifting mechanism and a clamping mechanism are provided between the set of front side plates. A start-stop mechanism is provided between the set of front side plates. The counterweight mechanism is a load-bearing plate. A turntable is provided on the top of the load-bearing plate. Multiple protruding plates are evenly provided on the outer wall of the turntable. A circular groove is opened on the top of the other end of each of the multiple protruding plates. Multiple first telescopic rods are fixedly connected to the top of the circular grooves. Multiple lifting blocks are fixedly connected to the top of the multiple first telescopic rods. A first hydraulic rod is fixedly connected to one side of the lifting block. A load-bearing frame is fixedly connected to the other end of the first hydraulic rod. A counterweight block is provided on the top of the load-bearing frame.

[0007] Preferably, a plurality of load-bearing rods are fixedly connected to the top of the load-bearing rear plate, and the top ends of the plurality of load-bearing rods are fixedly connected to the bottom of the load-bearing plate. A first motor is provided on the top of the load-bearing rear plate, and the output shaft of the first motor is poweredly connected to a drive shaft. The top end of the drive shaft extends out of the top of the load-bearing plate, and a plurality of protrusions are evenly provided on its outer wall. A plurality of grooves are evenly provided on the inner wall of the turntable, and the plurality of grooves and the plurality of protrusions cooperate with each other.

[0008] Preferably, the other end of each of the multiple protruding plates is provided with a circular hole, the multiple circular holes are located at the bottom of multiple circular grooves and the circular holes and circular grooves are concentric circles, a second hydraulic rod is fixedly connected to the top of the load-bearing rear plate, the top of the second hydraulic rod extends out of the circular hole and is in close contact with the bottom of the lifting block, and an extension opening is provided on one side of the load-bearing plate.

[0009] Preferably, the lifting mechanism is a set of side columns, the bottom of which is fixedly connected to the top of the front side plate, and a threaded column is rotatably connected inside each of the side columns. The top of each of the threaded columns extends out of the top of the side columns and is fixedly connected to a second motor. A threaded sleeve is engaged with the outer wall of each of the threaded columns. A slider is fixedly connected to one side of each of the threaded sleeves. A groove is opened on one side of each of the side columns, and the inner wall of each groove is slidably connected to the outer wall of each slider.

[0010] Preferably, a set of support rods is fixedly connected to one side of the slider, and the same detection plate is fixedly connected between multiple support rods. A pull-out groove is provided on the rear side of the detection plate, and the pull-out groove cooperates with the load-bearing frame.

[0011] Preferably, the start-stop mechanism consists of multiple traveling wheels, with side rods provided between the multiple traveling wheels and a set of front side plates. A set of first fixing blocks is fixedly connected to the top of the load-bearing rear plate, and the same first threaded rod is rotatably connected between the set of first fixing blocks. The threads at both ends of the first threaded rod are in opposite directions. A second fixing block is fixedly connected to the top of each set of front side plates, and a second threaded rod is rotatably connected to the inner wall of each second fixing block. The threads of the set of second threaded rods are in opposite directions.

[0012] Preferably, both ends of the first threaded rod and one end of the second threaded rod are meshed with limiting spur gears, and multiple side rods are fixedly connected to the outer walls of each side rod. Multiple limiting spur gears mesh with multiple rotating spur gears. Multiple second telescopic rods are fixedly connected between a set of limiting spur gears and a set of first fixed blocks. A throttle is fixedly connected to the outer wall of the first threaded rod, and belts are respectively connected to the outer walls of the first threaded rod and a set of second threaded rods.

[0013] Preferably, the clamping mechanism is a bidirectional threaded rod, with both ends of the bidirectional threaded rod rotatably connected to the inner side of a set of front side plates, and clamping plates meshing with the outer walls of both ends of the bidirectional threaded rod. A third telescopic rod is fixedly connected between the outer side of the set of clamping plates and the set of front side plates, and a dial wheel is fixedly connected to the outer wall of the bidirectional threaded rod.

[0014] The beneficial effects of this invention are as follows:

[0015] 1. Through the set counterweight mechanism, the first motor works to make the turntable rotate under the limiting action of multiple protrusions and grooves, so that multiple counterweights extend out in sequence under the action of the first hydraulic rod and are placed in the same position on the test plate, so that the test plate is subjected to uniform force, and the test force of the device on the concrete sample to be tested is uniform, avoiding errors in the test results. At the same time, the pull-out groove set on the surface of the test plate can pull out the support frame after the counterweight is placed, so as to prevent the support frame from being squeezed by the counterweight and the test plate and causing damage to the first hydraulic rod.

[0016] 2. Through the lifting mechanism, the second motor works to rotate the threaded column, causing a set of threaded sleeves that mesh with it to move up and down on the inner wall of a set of side columns under the limiting action of the slider and the slide groove. This causes multiple support rods to drive the detection plate to move up and down inside the device, allowing the device to be adjusted according to the specifications of the concrete sample, thereby enhancing the accuracy of the device in detecting concrete quality.

[0017] 3. Through the set start-stop mechanism, turning the handle causes the first threaded rod to rotate, and at the same time the second threaded rod rotates synchronously under the drive of the belt. This causes the limiting spur gears on the outer walls of the first and second threaded rods to move left and right under the limiting action of the second telescopic rod. When the device moves, the limiting spur gears disengage from the rotating spur gears. When the device starts to test the concrete specimen, the limiting spur gears engage with the rotating spur gears to lock the traveling wheels, preventing the device from shifting during the test of the concrete specimen and causing deviations in the test results.

[0018] 4. By rotating the dial wheel through the clamping mechanism, the bidirectional threaded rod rotates, causing a set of clamping plates that mesh with it to move left and right between a set of front side plates under the limiting action of the third telescopic rod. This adjusts the clamping distance between the set of clamping plates, keeping the concrete specimen to be tested tightly clamped and preventing it from moving under pressure during the test. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the front structure of the building concrete quality testing device proposed in this invention.

[0020] Figure 2 This is a schematic diagram of the rear structure of the building concrete quality testing device proposed in this invention.

[0021] Figure 3 An exploded view of the counterweight mechanism of the building concrete quality testing device proposed in this invention.

[0022] Figure 4 This is an enlarged structural schematic diagram of point A of the building concrete quality testing device proposed in this invention.

[0023] Figure 5This is a schematic diagram of the lifting mechanism of the building concrete quality testing device proposed in this invention.

[0024] Figure 6 This is a schematic diagram of the start-stop mechanism of the building concrete quality testing device proposed in this invention.

[0025] Figure 7 This is a schematic diagram of the clamping mechanism of the building concrete quality testing device proposed in this invention.

[0026] In the attached diagram: 1. Front side plate; 2. Rear load-bearing plate; 3. Load-bearing rod; 4. Load-bearing plate; 5. First motor; 6. Drive shaft; 7. Protrusion; 8. Turntable; 9. Groove; 10. Extending plate; 11. Circular groove; 12. First telescopic rod; 13. Lifting block; 14. First hydraulic rod; 15. Load-bearing frame; 16. Circular hole; 17. Second hydraulic rod; 18. Counterweight; 19. Extending opening; 20. Side column; 21. Threaded column; 22. Second motor; 23. 24. Threaded sleeve; 25. Slider; 26. Slide groove; 27. Support rod; 28. Detection plate; 29. ​​Pull-out groove; 30. Side rod; 31. Traveling wheel; 32. First fixed block; 33. First threaded rod; 34. Second fixed block; 35. Second threaded rod; 36. Limiting spur gear; 37. Rotating spur gear; 38. Second telescopic rod; 39. Throttle; 40. Belt; 41. Double-sided threaded rod; 42. Clamping plate; 43. Third telescopic rod; 44. Dial wheel. Detailed Implementation

[0027] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0028] Reference Figure 1-7 A building concrete quality testing device includes a set of front side plates 1 and a load-bearing rear plate 2. The rear side of the set of front side plates 1 is fixedly connected to the front side of the load-bearing rear plate 2. A counterweight mechanism is provided on the top of the load-bearing rear plate 2. A lifting mechanism and a clamping mechanism are provided between the set of front side plates 1. A start-stop mechanism is provided between the set of front side plates 1. The counterweight mechanism is a load-bearing plate 4. A turntable 8 is provided on the top of the load-bearing plate 4. Multiple protruding plates 10 are evenly provided on the outer wall of the turntable 8. A circular groove 11 is opened on the top of the other end of the multiple protruding plates 10. Multiple first telescopic rods 12 are fixedly connected to the top of the multiple first telescopic rods 12. Multiple lifting blocks 13 are fixedly connected to the top of the multiple first telescopic rods 12. A first hydraulic rod 14 is fixedly connected to one side of the lifting block 13. A load-bearing frame 15 is fixedly connected to the other end of the first hydraulic rod 14. A counterweight block 18 is provided on the top of the load-bearing frame 15.

[0029] Meanwhile, multiple load-bearing rods 3 are fixedly connected to the top of the load-bearing rear plate 2. The tops of the multiple load-bearing rods 3 are fixedly connected to the bottom of the load-bearing plate 4. A first motor 5 is installed on the top of the load-bearing rear plate 2. The output shaft of the first motor 5 is poweredly connected to a drive shaft 6. The top of the drive shaft 6 extends out of the top of the load-bearing plate 4, and multiple protrusions 7 are evenly arranged on its outer wall. Multiple grooves 9 are evenly arranged on the inner wall of the turntable 8. The multiple grooves 9 and the multiple protrusions 7 cooperate with each other. A round hole 16 is opened at the other end of each of the multiple protruding plates 10. The multiple round holes 16 are respectively located at the bottom of multiple round grooves 11, and the round holes 16 and the round grooves 11 are... The concentric circle, the top of the load-bearing rear plate 2 is fixedly connected to the second hydraulic rod 17, the top of the second hydraulic rod 17 extends out of the round hole 16 and is in close contact with the bottom of the lifting block 13. The load-bearing plate 4 has an extension opening 19 on one side. The first motor 5 works to make the turntable 8 rotate under the limiting action of multiple protrusions 7 and grooves 9, so that multiple counterweights 18 extend out in sequence under the action of the first hydraulic rod 14 and are placed in the same position on the detection plate 27, so that the force on the detection plate 27 is uniform, and the detection force of the device on the concrete sample to be tested is uniform, avoiding errors in the test results.

[0030] The lifting mechanism consists of a set of side columns 20. The bottom of each set of side columns 20 is fixedly connected to the top of the front side plate 1. Each set of side columns 20 has a threaded column 21 rotatably connected inside. The top of each set of threaded columns 21 extends out of the top of the set of side columns 20 and is fixedly connected to a second motor 22. Each set of threaded columns 21 has a threaded sleeve 23 meshing with its outer wall. Each set of threaded sleeves 23 has a slider 24 fixedly connected to one side. Each set of side columns 20 has a groove 25 on one side. The inner wall of each groove 25 is slidably connected to the outer wall of each slider 24. Each slider 24 has a set of support rods 2 fixedly connected to one side. 6. A single detection plate 27 is fixedly connected to multiple support rods 26. A pull-out groove 28 is provided on the rear side of the detection plate 27. The pull-out groove 28 cooperates with the load-bearing frame 15. When the second motor 22 works, the threaded column 21 rotates, causing a set of threaded sleeves 23 that mesh with it to move up and down on the inner wall of a set of side columns 20 under the limiting action of the slider 24 and the sliding groove 25. This causes multiple support rods 26 to drive the detection plate 27 to move up and down inside the device, allowing the device to be adjusted according to the specifications of the concrete sample, thereby enhancing the accuracy of the device in detecting the quality of concrete.

[0031] The start / stop mechanism consists of multiple traveling wheels 30. Side rods 29 are provided between the multiple traveling wheels 30 and a set of front side plates 1. A set of first fixing blocks 31 are fixedly connected to the top of the load-bearing rear plate 2. A first threaded rod 32 is rotatably connected between the first fixing blocks 31, with opposite thread directions at both ends of the first threaded rod 32. Second fixing blocks 33 are fixedly connected to the top of each set of front side plates 1. Second threaded rods 34 are rotatably connected to the inner walls of each second fixing block 33, with opposite thread directions. Limiting spur gears 35 are meshed between both ends of the first threaded rod 32 and one end of each second threaded rod 34. Rotating spur gears 36 are fixedly connected to the outer walls of the multiple side rods 29. The multiple limiting spur gears 35 mesh with the multiple rotating spur gears 36. A set of limiting spur gears 35 and a set of first fixing blocks... Multiple second telescopic rods 37 are fixedly connected between 31. A handle 38 is fixedly connected to the outer wall of the first threaded rod 32. Belts 39 are respectively connected to the outer walls of the first threaded rod 32 and a set of second threaded rods 34. Rotating the handle 38 causes the first threaded rod 32 to rotate, and the second threaded rods 34 rotate synchronously under the drive of the belts 39. This causes the limiting spur gears 35 on the outer walls of the first and second threaded rods 32 and 34 to move left and right under the limiting action of the second telescopic rods 37. When the device moves, the limiting spur gears 35 disengage from the rotating spur gears 36. When the device starts testing the concrete specimen, the limiting spur gears 35 and the rotating spur gears 36 engage, locking the traveling wheels 30 to prevent the device from shifting during testing of the concrete specimen and causing deviations in the test results.

[0032] The clamping mechanism is a bidirectional threaded rod 40. Both ends of the bidirectional threaded rod 40 are rotatably connected to the inner side of a set of front side plates 1. Both ends of the bidirectional threaded rod 40 are meshed with clamping plates 41. A third telescopic rod 42 is fixedly connected between the outer side of the set of clamping plates 41 and the set of front side plates 1. A dial wheel 43 is fixedly connected to the outer wall of the bidirectional threaded rod 40. By rotating the dial wheel 43, the bidirectional threaded rod 40 is rotated, causing the set of clamping plates 41 meshing with it to move left and right between the set of front side plates 1 under the limiting action of the third telescopic rod 42. This adjusts the clamping distance between the set of clamping plates 41, so that the device keeps the concrete specimen to be tested tightly clamped and prevents it from moving under pressure during the test.

[0033] Working principle: During use, check that the multiple limiting spur gears 35 and multiple rotating spur gears 36 remain disengaged. Use multiple traveling wheels 30 to move the device to the vicinity of the concrete specimen to be tested until the concrete specimen is between a set of front side plates 1. Rotate the dial wheel 43 to rotate the bidirectional threaded rod 40, causing a set of clamping plates 41 meshing with it to move left and right between the set of front side plates 1 under the limiting action of the third telescopic rod 42. This adjusts the clamping distance between the set of clamping plates 41 to keep the concrete specimen to be tested clamped tightly on both sides. At this time, rotate... The throttle 38 causes the first threaded rod 32 to rotate, while the second threaded rod 34 rotates synchronously under the drive of the belt 39. This causes the limiting spur gear 35 on the outer wall of the first threaded rod 32 and the second threaded rod 34 to move left and right under the limiting action of the second telescopic rod 37, until the limiting spur gear 35 meshes with the rotating spur gear 36, locking the traveling wheel 30. This prevents the device from shifting during the testing of the concrete specimen, thus avoiding deviations in the test results. A second motor 22 is then activated, causing the threaded column 21 to rotate, which in turn causes a set of threaded sleeves 23 that mesh with it to move between the slider 24 and... Under the limiting action of the chute 25, the plate moves up and down on the inner wall of a set of side columns 20, causing multiple support rods 26 to drive the detection plate 27 to move up and down inside the device, so that the bottom of the detection plate 27 is in contact with the top of the concrete test block to be tested. At this time, according to the load-bearing data of the concrete test block to be tested, counterweights 18 are added to the top of the detection plate 27 in sequence. The first motor 5 works, causing the turntable 8 to rotate under the limiting action of multiple protrusions 7 and grooves 9. One of the protruding plates 10 rotates to the middle position of the protrusion 19. At this time, the second hydraulic rod 17 is activated, so that its top end is in contact with the lifting block 1. 3. The bottom contacts and lifts the lifting block 13 to a height slightly higher than the detection plate 27, so that multiple counterweights 18 extend sequentially under the action of the first hydraulic rod 14 and are placed at the same position on the detection plate 27, so that the force on the detection plate 27 is uniform, and the detection force of the device on the concrete sample to be tested is uniform, avoiding errors in the test results. At the same time, the pull-out groove 28 provided on the surface of the detection plate 27 can pull out the load-bearing frame 15 after the counterweights 18 are placed, to prevent the load-bearing frame 15 from being squeezed by the counterweights 18 and the detection plate 27 and causing damage to the first hydraulic rod 14.

[0034] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A building concrete quality testing device, comprising a set of front side plates (1) and a load-bearing rear plate (2), wherein the rear side of each set of front side plates (1) is fixedly connected to the front side of the load-bearing rear plate (2), a counterweight mechanism is provided on the top of the load-bearing rear plate (2), a lifting mechanism and a clamping mechanism are provided between the set of front side plates (1), and a start-stop mechanism is provided between the set of front side plates (1), characterized in that, The counterweight mechanism is a load-bearing plate (4). A turntable (8) is provided on the top of the load-bearing plate (4). Multiple protruding plates (10) are evenly provided on the outer wall of the turntable (8). A circular groove (11) is opened on the top of the other end of each of the multiple protruding plates (10). Multiple first telescopic rods (12) are fixedly connected to the top of the circular grooves (11). Multiple lifting blocks (13) are fixedly connected to the top of the multiple first telescopic rods (12). A first hydraulic rod (14) is fixedly connected to one side of the lifting block (13). A load-bearing frame (15) is fixedly connected to the other end of the first hydraulic rod (14). A counterweight block (18) is provided on the top of the load-bearing frame (15). The top of the load-bearing rear plate (2) is fixedly connected to multiple load-bearing rods (3), the top of the multiple load-bearing rods (3) is fixedly connected to the bottom of the load-bearing plate (4), the top of the load-bearing rear plate (2) is provided with a first motor (5), the output shaft of the first motor (5) is powered to connect to a drive shaft (6), the top of the drive shaft (6) extends out of the top of the load-bearing plate (4), and multiple protrusions (7) are evenly provided on its outer wall, and multiple grooves (9) are evenly provided on the inner wall of the turntable (8), the multiple grooves (9) and the multiple protrusions (7) cooperate with each other, and the other end of the multiple protruding plates (10) is provided with a round hole (16), the multiple round holes (16) are respectively located at the bottom of multiple round grooves (11) and the round holes (16) and the round grooves (11) are concentric circles, the top of the load-bearing rear plate (2) is fixedly connected to a second hydraulic rod (17), the top of the second hydraulic rod (17) extends out of the round hole (16) and is in close contact with the bottom of the lifting block (13), and an extension opening (19) is provided on one side of the load-bearing plate (4). The lifting mechanism is a set of side columns (20). The bottom of each set of side columns (20) is fixedly connected to the top of the front side plate (1). Each set of side columns (20) is rotatably connected to a threaded column (21). The top of each set of threaded columns (21) extends out of the top of the set of side columns (20) and is fixedly connected to a second motor (22). Each set of threaded columns (21) is meshed with a threaded sleeve (23). Each set of threaded sleeves (23) is fixedly connected to a slider (24) on one side. Each set of side columns (20) has a sliding groove (25) on one side. The inner wall of each set of sliding grooves (25) is slidably connected to the outer wall of each set of sliders (24). Each set of sliders (24) is fixedly connected to a set of support rods (26). Multiple support rods (26) are fixedly connected to the same detection plate (27). The detection plate (27) has a pull-out groove (28) on the rear side. The pull-out groove (28) cooperates with the load-bearing frame (15).

2. The building concrete quality testing device according to claim 1, characterized in that, The start-stop mechanism consists of multiple walking wheels (30), with side rods (29) provided between the multiple walking wheels (30) and a set of front side plates (1). A set of first fixing blocks (31) is fixedly connected to the top of the load-bearing rear plate (2). The same first threaded rod (32) is rotatably connected between the set of first fixing blocks (31). The threads at both ends of the first threaded rod (32) are opposite in direction. A second fixing block (33) is fixedly connected to the top of each set of front side plates (1). A second threaded rod (34) is rotatably connected to the inner wall of each second fixing block (33). The threads of the set of second threaded rods (34) are opposite in direction.

3. The building concrete quality testing device according to claim 2, characterized in that, Both ends of the first threaded rod (32) are meshed with one end of the second threaded rod (34) and are connected to a limiting spur gear (35). The outer walls of multiple side rods (29) are fixedly connected to rotating spur gears (36). Multiple limiting spur gears (35) and multiple rotating spur gears (36) mesh with each other. Multiple second telescopic rods (37) are fixedly connected between a set of limiting spur gears (35) and a set of first fixed blocks (31). A throttle (38) is fixedly connected to the outer wall of the first threaded rod (32). Belts (39) are respectively connected to the outer walls of the first threaded rod (32) and a set of second threaded rods (34).

4. The building concrete quality testing device according to claim 1, characterized in that, The clamping mechanism is a bidirectional threaded rod (40). Both ends of the bidirectional threaded rod (40) are rotatably connected to the inner side of a set of front side plates (1). Both ends of the bidirectional threaded rod (40) are meshed with clamping plates (41). A third telescopic rod (42) is fixedly connected between the outer side of the set of clamping plates (41) and the set of front side plates (1). A dial wheel (43) is fixedly connected to the outer wall of the bidirectional threaded rod (40).

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