Concrete impact resistance test device

Abstract

The utility model relates to the technical field of concrete detection, in particular to a concrete impact resistance testing device which comprises a testing platform, and an adjusting mechanism is arranged on the upper side of the testing platform. The adjusting mechanism comprises a first fixing plate, a first fixing frame, a first positioning groove, a second fixing plate, a second fixing frame, a second positioning groove, a first positioning block, a third fixing plate, a second positioning block and a supporting plate, a test block body is arranged on the upper side of the supporting plate, an L-shaped mounting frame is fixedly connected to the left side of the test platform, and a hydraulic cylinder is fixedly mounted at the right end of the mounting frame; the output end of the hydraulic cylinder is fixedly connected with an electromagnet, and an impact hammer is magnetically fixed to the lower side of the electromagnet. The second fixing plate slides left and right, the third fixing plate slides front and back, the position of the test block body is adjusted, impact tests can be conveniently carried out on different positions of the test block body, the impact resistance of the different positions of the test block body is tested, the test integrity of the test block body is improved, and the accuracy of test data is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection technical field, concretely relates to a concrete impact test device. BACKGROUND

[0002] Concrete needs to carry out impact test before putting into use, at present, the test technology of concrete impact resistance has been widely applied, and this kind of technology is crucial for evaluating the durability and safety of concrete structure.

[0003] Among them, the announcement number CN221056250U discloses a kind of concrete impact detection device, including shell, the left side bottom of the shell is fixedly connected with bottom plate, the bottom inner wall of the bottom plate is fixedly connected with motor, the drive end of the motor is fixedly connected with gear, the inner wall of the left and right sides of the bottom plate is fixedly connected with fixed rod, the outer portion of two fixed rods is slidably connected with sliding plate, the bottom of the sliding plate is fixedly connected with rack plate, the outer portion between the gear and the outer portion of rack plate is meshing connection, the side close to of two sliding plates is provided with clamping assembly, the top of the bottom plate is fixedly connected with fixed column, the top of the fixed column is fixedly connected with top plate.In the utility model, the clamping of concrete sample is realized, and then the stability of the device is improved, the disassembly and installation of its impact piece are realized, and the work efficiency of staff is improved.

[0004] In the process of impact test to concrete, the concrete test block is fixed using clamp, so that the position of concrete test block and impact hammer is fixed, it is inconvenient to carry out impact test to different positions of concrete test block, there is certain limitation to the position of concrete test, leading to lower test precision, so that there is certain deviation between test result and actual use performance.

[0005] Therefore, it is necessary to invent a kind of concrete impact test device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of concrete impact test device to solve the problems, such as inconveniently carrying out impact test to different positions of concrete test block, certain limitation to the position of concrete test, leading to lower test precision, so that there is certain deviation between test result and actual use performance.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a concrete impact test device, including test platform, the upside of test platform is provided with adjusting mechanism, adjusting mechanism includes first fixed plate, first fixed support, first locating groove, second fixed plate, second fixed support, second locating groove, first locating block, third fixed plate, second locating block and support plate, the upside of support plate is provided with test block body, the left side of test platform is fixedly connected with L type mounting bracket, the right end of mounting bracket is fixedly installed hydraulic cylinder, the output of hydraulic cylinder is fixedly connected with electromagnet, the downside of electromagnet is fixed with impact hammer through magnetic attraction.

[0008] Through adopting the above technical scheme, the second fixed plate slides left and right on the surface of the first fixed support, and the third fixed plate slides forward and backward on the surface of the second fixed support, so that the position of the test block body can be adjusted conveniently, and the test block can be impacted by the free fall of the impact hammer.

[0009] Optionally, the impact hammer is fixedly connected with a connecting plate on the front and back sides, the upper surfaces of the two groups of connecting plates are fixedly connected with limiting rods, the front and back sides of the right end of the mounting bracket are fixedly connected with limiting blocks, and the two groups of limiting rods are slidably connected with the two groups of limiting blocks.

[0010] Through adopting the above technical scheme, the limiting rod slides up and down in the limiting block, and the position of the impact hammer is positioned.

[0011] Optionally, the upper surface of the first fixed plate is fixedly connected with the test platform, the upper surface of the first fixed support is fixedly connected with the first fixed plate, and the front and back sides of the first fixed support are provided with first locating grooves.

[0012] Optionally, the first screw rod is rotatably connected between the inner walls of the left and right sides of the first fixed support, the surface of the first screw rod is threadedly connected with a first connecting block, the first connecting block is fixedly connected with the middle position of the lower surface of the second fixed plate, and the right end of the first screw rod is fixedly connected with a first hand wheel.

[0013] Through adopting the above technical scheme, the first screw rod drives the first connecting block to slide left and right in the process of rotating, and then drives the second fixed plate to slide left and right.

[0014] Optionally, the lower surface of the second fixed plate is fixedly connected with the first locating block, the first locating block is slidably connected with the first locating groove, the upper surface of the second fixed support is fixedly connected with the second fixed plate, and the left and right sides of the second fixed support are provided with second locating grooves.

[0015] Through adopting the above technical scheme, the first locating block slides left and right in the first locating groove, and the position of the second fixed plate is positioned.

[0016] Optionally, the second fixed frame is rotatably connected between the inner walls of the front and back sides, a second threaded rod is fixedly connected to the front end of the second fixed frame, a second connecting block is fixedly connected to the surface of the second threaded rod, the upper end of the second connecting block is fixedly connected to the lower surface of a third fixed plate, and a second hand wheel is fixedly connected to the front end of the second threaded rod.

[0017] By adopting the above technical scheme, the second threaded rod drives the second connecting block to slide forward and backward during rotation, thereby driving the third fixed plate to slide forward and backward.

[0018] Optionally, the second fixed frame is rotatably connected between the inner walls of the front and back sides, a second threaded rod is fixedly connected to the front end of the second fixed frame, a second connecting block is fixedly connected to the surface of the second threaded rod, the upper end of the second connecting block is fixedly connected to the lower surface of a third fixed plate, and a second hand wheel is fixedly connected to the front end of the second threaded rod.

[0019] By adopting the above technical scheme, the second threaded rod drives the second connecting block to slide forward and backward during rotation, thereby driving the third fixed plate to slide forward and backward.

[0020] Optionally, the third fixed plate is fixedly connected to the upper surface of the support plate, a second positioning block is fixedly connected to the lower surface of the third fixed plate, the second positioning block is slidably connected to a second positioning groove, and a pressure sensor is fixedly connected to the upper surface of the support plate.

[0021] By adopting the above technical scheme, the second positioning block slides in the second positioning groove to limit the position of the third fixed plate, and the pressure sensor is used to record the impact force caused by the impact hammer on the test block body.

[0022] In the above technical scheme, the technical effects and advantages of the present application are as follows:

[0023] 1. The second fixed plate slides left and right on the surface of the first fixed frame, and the third fixed plate slides forward and backward on the surface of the second fixed frame, so that the position of the test block body can be adjusted, and different positions of the test block body can be subjected to impact tests, the anti-impact performance of different positions of the test block body can be tested, the integrity of the test of the test block body is improved, the accuracy of the test data is effectively improved, the problem of certain limitations of the position of the concrete test, which leads to low test precision and certain deviation between the test results and the actual use performance, is solved.

[0024] 2. The limiting rod slides up and down in the limiting block to position the impact hammer, improving the accuracy of the test position, and the hydraulic cylinder can push the telescopic rod downward, and after the electromagnet and the impact hammer are magnetically attracted and fixed, the hydraulic cylinder lifts the impact hammer again, improving the operation convenience and effectively improving the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the whole structure schematic view of the utility model;

[0026] Figure 2 It is the mounting rack structure schematic view of the utility model;

[0027] Figure 3 It is the adjusting mechanism structure schematic view of the utility model;

[0028] Figure 4 It is the first fixed plate structure schematic view of the utility model;

[0029] Figure 5 It is the second fixed plate structure schematic view of the utility model;

[0030] Figure 6 It is the third fixed plate structure schematic view of the utility model.

[0031] Mark explanation:

[0032] 1, test platform;11, mounting rack;12, hydraulic cylinder;13, impact hammer;14, connecting plate;15, limit rod;16, limit block;2, first fixed plate;21, first fixed frame;22, first positioning groove;23, first threaded rod;24, first connecting block;25, first hand wheel;3, second fixed plate;31, second fixed frame;32, second positioning groove;33, second threaded rod;34, second connecting block;35, second hand wheel;36, first positioning block;4, third fixed plate;41, second positioning block;42, support plate;43, pressure sensor;44, support block;45, fixed screw;46, positioning sleeve;47, pressing plate;48, locking sleeve;5, test block body. Specific implementation

[0033] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0034] The utility model provides a Figures 1 to 3The concrete impact resistance test device shown comprises a test platform 1, the upper side of the test platform 1 is provided with an adjusting mechanism, the adjusting mechanism comprises a first fixed plate 2, a first fixed frame 21, a first positioning groove 22, a second fixed plate 3, a second fixed frame 31, a second positioning groove 32, a first positioning block 36, a third fixed plate 4, a second positioning block 41 and a support plate 42, the upper side of the support plate 42 is provided with a test block body 5, the left side of the test platform 1 is fixedly connected with an L-shaped mounting frame 11, the right end of the mounting frame 11 is fixedly installed with a hydraulic cylinder 12, the output end of the hydraulic cylinder 12 is fixedly connected with an electromagnet, the lower side of the electromagnet is fixedly attracted with an impact hammer 13, the front and rear sides of the impact hammer 13 are both fixedly connected with a connecting plate 14, the upper surfaces of the two groups of connecting plates 14 are both fixedly connected with a limiting rod 15, the front and rear sides of the right end of the mounting frame 11 are both fixedly connected with a limiting block 16, and the two groups of limiting rods 15 are both slidably connected with the two groups of limiting blocks 16.

[0035] The impact hammer 13 is fixedly attracted by the electromagnet in the energized state, and after the electromagnet is de-energized, the impact hammer 13 lacks fixation and falls downward to impact test the test block body 5, in the process of falling, the limiting rod 15 slides downward in the limiting block 16 to position the impact hammer 13, improve the accuracy of the test position of the impact hammer 13, and after the test is completed, the telescopic rod of the hydraulic cylinder 12 pushes downward to magnetically attract the impact hammer 13 by the electromagnet to lift the impact hammer 13 again, improve the operation convenience, and the mass and impact height of the impact hammer 13 can be adjusted to simulate different energy impact conditions, the hydraulic cylinder 12 can push the impact hammer 13 downward to test the test block body 5 under a specified impact force, improve the test diversity, and in the process of testing, the second fixed plate 3 slides left and right on the surface of the first fixed frame 21 and the third fixed plate 4 slides forward and backward on the surface of the second fixed frame 31 to facilitate the adjustment of the position of the test block body 5, and then facilitate the impact test on different positions of the test block body 5.

[0036] Reference Figures 3 to 6The upper surface of the first fixed plate 2 is fixedly connected with the test platform 1, the upper surface of the first fixed frame 21 is fixedly connected with the first fixed plate 2, the front and rear sides of the first fixed frame 21 are both provided with first positioning grooves 22, the left and right side inner walls of the first fixed frame 21 are rotatably connected with first threaded rods 23, the surfaces of the first threaded rods 23 are threadedly connected with first connecting blocks 24, the first connecting blocks 24 are fixedly connected with the middle positions of the lower surfaces of the second fixed plates 3, the right ends of the first threaded rods 23 are fixedly connected with first hand wheels 25, first positioning blocks 36 are fixedly connected with the lower surfaces of the second fixed plates 3, the first positioning blocks 36 are slidably connected with the first positioning grooves 22, the upper surfaces of the second fixed frames 31 are fixedly connected with the second fixed plates 3, the left and right sides of the second fixed frames 31 are both provided with second positioning grooves 32, the front and rear side inner walls of the second fixed frames 31 are rotatably connected with second threaded rods 33, the surfaces of the second threaded rods 33 are threadedly connected with second connecting blocks 34, the upper ends of the second connecting blocks 34 are fixedly connected with the lower surfaces of the third fixed plate 4, the front ends of the second threaded rods 33 are fixedly connected with second hand wheels 35, and the lower surfaces of the third fixed plate 4 are fixedly connected with second positioning blocks 41, and the second positioning blocks 41 are slidably connected with the second positioning grooves 32.

[0037] Specifically, the first threaded rod 23 is driven to rotate by rotating the first hand wheel 25, the first threaded rod 23 drives the first connecting block 24 to slide left and right on the surface thereof in the process of rotation, the first connecting block 24 drives the second fixed plate 3 to slide left and right, at this time, the first positioning block 36 slides left and right in the first positioning groove 22, and the position of the second fixed plate 3 is positioned, the second threaded rod 33 is driven to rotate by rotating the second hand wheel 35, the second threaded rod 33 drives the second connecting block 34 to slide forward and backward on the surface thereof in the process of rotation, and then drives the third fixed plate 4 to slide forward and backward, at this time, the second positioning block 41 slides forward and backward in the second positioning groove 32, and the position of the third fixed plate 4 is positioned, and meanwhile, the first hand wheel 25 and the second hand wheel 35 can be replaced with servo motors, the positions of the second fixed plate 3 and the third fixed plate 4 are adjusted by driving two groups of threaded rods to rotate through the servo motors, and the convenience of adjustment is further improved.

[0038] Referring to Figure 6 The upper surface of the support plate 42 is fixedly connected with the pressure sensor 43, the left and right sides of the third fixed plate 4 are both fixedly connected with support blocks 44, the upper surfaces of the support blocks 44 are fixedly connected with fixed lead screws 45, the surfaces of the fixed lead screws 45 are provided with positioning sleeves 46, the side surfaces of the positioning sleeves 46 are fixedly connected with pressing plates 47, and the upper ends of the fixed lead screws 45 are threadedly connected with locking sleeves 48.

[0039] Meanwhile, during the installation of the test block body 5, first, rotate the positioning sleeve 46 to rotate the pressing plate 47 to the outside, then place the test block body 5 on the surface of the supporting plate 42, then rotate the positioning sleeve 46 to rotate the pressing plate 47 to the upper side of the test block body 5, then rotate the locking sleeve 48 to push the positioning sleeve 46 downward, so that the pressing plate 47 is tightly abutted against the surface of the test block body 5, the test block body 5 is locked and fixed, and the stability of the test block body 5 is improved.

[0040] In addition, during the test of the test block body 5, the pressure sensor 43 can record the data of each test, so as to arrange and analyze the impact data of the test block body 5, so that the impact resistance of the test block body 5 can be more accurately evaluated, and during the test, the high-speed data acquisition card and the high-precision sensor are used to record the force, displacement and time data in the impact process in real time. Through the data analysis software, the test results can be deeply mined and analyzed, and strong support can be provided for the research on the impact resistance of the concrete.

[0041] The utility model discloses the working principle: the second fixed plate 3 is in the surface left and right sliding of first fixed frame 21, the third fixed plate 4 is in the surface before and after sliding of second fixed frame 31, be convenient for the position of test block body 5 is adjusted, and then be convenient for the different position of test block body 5 is impacted test, realizes the test test block body 5 different position impact resistance, improves the completeness of test block body 5 test, effectively improves the accuracy of test data.

[0042] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model.

Claims

1. A concrete impact resistance testing device comprising a test platform (1), characterized in that: The upper side of the test platform (1) is provided with an adjusting mechanism, the adjusting mechanism comprises a first fixed plate (2), a first fixed frame (21), a first positioning groove (22), a second fixed plate (3), a second fixed frame (31), a second positioning groove (32), a first positioning block (36), a third fixed plate (4), a second positioning block (41) and a supporting plate (42), the upper side of the supporting plate (42) is provided with a test block body (5), the left side of the test platform (1) is fixedly connected with an L-shaped mounting frame (11), the right end of the mounting frame (11) is fixedly connected with a hydraulic cylinder (12), the output end of the hydraulic cylinder (12) is fixedly connected with an electromagnet, and the lower side of the electromagnet is fixedly connected with an impact hammer (13).

2. A concrete impact resistance testing apparatus as claimed in claim 1, wherein: The front and rear sides of the impact hammer (13) are fixedly connected with connecting plates (14), the upper surfaces of the two groups of connecting plates (14) are fixedly connected with limiting rods (15), and the front and rear sides of the right end of the mounting frame (11) are fixedly connected with limiting blocks (16). The two groups of limiting rods (15) are respectively in sliding connection with the two groups of limiting blocks (16).

3. A concrete impact resistance testing apparatus as defined in claim 1, wherein: The first fixed plate (2) is fixedly connected with the upper surface of the test platform (1), the first fixed frame (21) is fixedly connected with the upper surface of the first fixed plate (2), and the first fixed frame (21) is provided with the first positioning groove (22) on the front and rear sides.

4. A concrete impact resistance testing apparatus as defined in claim 3, wherein: The first fixed frame (21) is rotatably connected between the inner walls of the left and right sides, the first threaded rod (23) is fixedly connected with the first hand wheel (25) at the right end, the surface of the first threaded rod (23) is threadedly connected with the first connecting block (24), and the first connecting block (24) is fixedly connected with the middle position of the lower surface of the second fixed plate (3).

5. The apparatus of claim 1, wherein: The first positioning block (36) is fixedly connected with the lower surface of the second fixed plate (3), the first positioning block (36) is in sliding connection with the first positioning groove (22), the second fixed frame (31) is fixedly connected with the upper surface of the second fixed plate (3), and the second fixed frame (31) is provided with the second positioning groove (32) on the left and right sides.

6. A concrete impact resistance testing apparatus as defined in claim 5, wherein: The second fixed frame (31) is rotatably connected between the inner walls of the front and rear sides, the second threaded rod (33) is fixedly connected with the second hand wheel (35) at the front end, the surface of the second threaded rod (33) is threadedly connected with the second connecting block (34), and the upper end of the second connecting block (34) is fixedly connected with the lower surface of the third fixed plate (4).

7. The apparatus of claim 1, wherein: The second positioning block (41) is fixedly connected with the lower surface of the third fixed plate (4), the second positioning block (41) is in sliding connection with the second positioning groove (32), the supporting plate (42) is fixedly connected with the upper surface of the third fixed plate (4), and the upper surface of the supporting plate (42) is fixedly connected with the pressure sensor (43).

8. A concrete impact resistance testing apparatus as defined in claim 7, wherein: Both left and right sides of the third fixed plate (4) are fixedly connected with support blocks (44), the upper surface of the support block (44) is fixedly connected with a fixed screw rod (45), the surface of the fixed screw rod (45) is sleeved with a positioning sleeve (46), the side surface of the positioning sleeve (46) is fixedly connected with a pressing plate (47), and the upper end of the fixed screw rod (45) is threadedly connected with a locking sleeve (48).

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