Concrete anti-scouring and anti-abrasion test device and working method thereof

Abstract

The invention discloses a concrete anti-scouring and anti-abrasion testing device and a working method thereof.The concrete anti-scouring and anti-abrasion testing device comprises a base, a protective cover, a scouring and abrasion feeding device, a scouring and abrasion device, a sample fixing device, a concrete sample, a scouring device and a water tank, the protective cover and the scouring device are fixedly installed on the base, and the scouring device can adjust the scouring angle and scouring height of a scouring head; the inner side of the protective cover is fixedly provided with the punching and grinding feeding devices, the punching and grinding feeding devices are arranged on the two sides of the sample fixing device, the punching and grinding device is fixedly installed on the punching and grinding feeding devices, the punching and grinding feeding devices can adjust the distance between the punching and grinding device and a concrete sample, and the sample fixing device is connected with the base. And concrete samples with different sizes can be clamped and mounted on the sample fixing device. The device can simulate the scouring and abrasion effects of concrete blocks in a real environment to the maximum extent, is complete in function and high in utilization rate, and can be used for carrying out scouring and abrasion resistance tests on concrete with different sizes and different inclination angles.

Description

Technical Field

[0001] This invention relates to a building material testing device, specifically a concrete erosion and abrasion resistance testing device and its working method. Background Technology

[0002] Concrete is a general term for engineering composite materials in which aggregates are bound together by cementing materials. During the production process, concrete needs to undergo scouring and abrasion tests to detect its structural strength.

[0003] Currently, many devices can perform erosion and abrasion tests on concrete. Some devices can only perform erosion tests (e.g., CN202210435121.3, CN202220393950.5, CN201721410082.2, etc.). These devices require the concrete specimen to be a fixed ring shape, limiting the specimen size, and the tilt angle of the concrete specimen cannot be adjusted during the test. Other devices can only perform abrasion tests (e.g., CN201110278621.2, CN20222...). Devices like those described in 3129102.2 and CN202222806696.X, where the abrasive material is lifted by the high-speed water flow during testing, can easily damage the abrasive equipment and, in severe cases, pose a danger to operators. Furthermore, the high-speed water flow suspends the abrasive material, reducing contact with the sample surface and lowering the surface wear rate, leading to inaccurate abrasive test results. Devices that can only perform erosion or abrasion tests on concrete samples alone are no longer sufficient to meet the needs of conducting erosion and abrasion tests on concrete samples of different sizes and tilt angles. Therefore, it is essential to invent and promote a test and research device with adjustable concrete tilt angle, abrasive head height, and abrasion angle to meet the erosion and abrasion testing needs of concrete blocks of different sizes. Summary of the Invention

[0004] To address the above issues and overcome the shortcomings of existing technologies, this invention provides a concrete erosion and abrasion resistance testing device for concrete blocks of different sizes. This device allows for adjustment of the concrete tilt angle, brush head height, and brush angle. It not only enables erosion and abrasion tests on concrete blocks of different sizes to be performed on the same equipment, but also, by adjusting the concrete block tilt angle, brush head height, and brush angle, it can simulate the erosion and abrasion effects of concrete blocks in a real environment to the greatest extent possible. This overcomes the shortcomings of single-function devices and low utilization rates, and provides a concrete erosion and abrasion resistance testing device capable of conducting erosion and abrasion resistance tests on concrete blocks of different sizes and tilt angles.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a concrete erosion and abrasion testing device, comprising a base, a protective cover, an abrasion and abrasion feeding device, an abrasion and abrasion device, a sample fixing device, a concrete sample, an abrasion device, and a water tank. The protective cover and the abrasion and abrasion device are fixedly installed on the base. The abrasion and abrasion device can adjust the abrasion angle and abrasion height of the abrasion head. The abrasion and abrasion feeding device is fixedly installed on the inner side of the protective cover. The abrasion and abrasion feeding device is located on both sides of the sample fixing device. The abrasion and abrasion device is fixedly installed on the abrasion and abrasion feeding device, and the abrasion and abrasion feeding device can adjust the distance between the abrasion and abrasion device and the concrete sample. The sample fixing device is connected to the base and can clamp concrete samples of different sizes. The concrete sample is installed on the sample fixing device. The sample fixing device can adjust the tilt angle of the concrete sample during abrasion. The water tank is located directly below the base.

[0006] Preferably, the grinding feed device includes a No. 1 guide rail slider module, a No. 1 motor, a No. 1 motor fixing angle steel, a large rectangular connecting plate, a small rectangular connecting plate, a No. 2 motor fixing angle steel, a No. 2 motor, a No. 2 lead screw, a No. 1 lead screw, an optical axis fixing seat, and a No. 2 guide rail slider module. The No. 1 guide rail slider module and the No. 1 motor fixing angle steel are fixedly installed inside the protective cover. The large rectangular connecting plate is fixedly connected to the No. 1 guide rail slider module. The No. 1 motor is fixedly installed on the No. 1 motor fixing angle steel. The No. 1 lead screw is used for the large rectangular connecting plate. The plate moves up and down. The No. 2 guide rail slider module is fixedly installed on the long side near the large rectangular connecting plate. The small rectangular connecting plate is fixedly installed on the No. 2 guide rail slider module. There are two optical axis fixing seats, which are fixedly installed on the short side near the small rectangular connecting plate. The No. 2 motor fixing angle steel is fixedly installed on the short side near the large rectangular connecting plate. The No. 2 motor is fixedly installed on the No. 2 motor fixing angle steel. The No. 2 lead screw is rigidly connected to the No. 2 motor, and the No. 2 lead screw is used for the left and right movement of the small rectangular connecting plate 305.

[0007] Preferably, the grinding device includes an optical axis fixing seat, an optical axis, a grinding disc, linear bearings, a servo motor, a transmission nut pair, a rectangular fixing plate, a No. 3 lead screw, and a patch bearing seat. The optical axis is fixedly installed on the optical axis fixing seat, and several linear bearings are provided on the optical axis. The lower part of the linear bearings is fixedly connected to the rectangular fixing plate. The servo motor is fixedly installed in the center of the rectangular fixing plate. The transmission nut pair is fixedly installed on the rectangular fixing plate and close to the side of the servo motor. The two ends of the No. 3 lead screw are fixedly installed on a small rectangular connecting plate through patch bearing seats. The No. 3 lead screw can drive the transmission nut pair to move. The grinding disc is installed on the servo motor.

[0008] Preferably, the sample fixing device includes a sample fixing plate, a hydraulic cylinder, a hydraulic cylinder fixing shaft, a T-shaped connecting plate, an angle positioning link, a clamping spring, a clamping link, a clamping shaft, a fixing lug, a cylinder, a No. 3 guide rail slider module, a fixing hinge, and an L-shaped sample positioning ridge. The sample fixing plate is connected to the base via a movable hinge. The upper end of the hydraulic cylinder is connected to the back of the sample fixing plate, and the lower end is fixed to the base via the hydraulic cylinder fixing shaft. The hydraulic cylinder can adjust the tilt angle of the sample fixing plate. The L-shaped sample positioning ridge is fixedly installed at the edge of the bottom and side of the sample fixing plate. The sample fixing plate has several grooves on the side away from the L-shaped sample positioning ridge. Several No. 3 guide rail slider modules are fixedly installed in the grooves of the sample fixing plate. The T-shaped connecting plate is fixedly connected to the No. 3 guide rail slider module. The cylinder is connected to the T-shaped connecting plate away from the L-shaped sample positioning ridge via a pin. The end faces of the edges are connected. The cylinder base is fixed to the sample fixing plate by a fixed lifting lug. The angle positioning rod is fixed to the side of the T-shaped connecting plate by a pin. The long side of the angle positioning rod is in contact with the concrete sample, and the short side is connected to the clamping shaft by a pin. The clamping spring is installed on the clamping shaft. One end of the clamping rod is fixed to the side of the T-shaped connecting plate by a pin, and the other end is used to clamp the concrete sample. During operation, when the cylinder pushes the T-shaped connecting plate forward, the angle positioning rod rotates around the pin and drives the clamping shaft to move. During the movement of the clamping shaft, the clamping rod is pressed tightly onto the concrete sample, so that the concrete sample is clamped. At this time, the clamping spring is compressed. When the cylinder pulls the T-shaped connecting plate backward, the clamping spring automatically springs up. At this time, the clamping rod separates from the surface of the concrete sample, so that the concrete sample is released.

[0009] Preferably, the flushing device includes a pump mounting base, an inlet pipe, a pump, an outlet pipe, a hose, a flushing head, a fixed angle aluminum, a flushing head mounting base, a sleeve, a No. 3 motor, a No. 4 guide rail slider module, a vertical fixing plate, a No. 4 motor fixing plate, a No. 4 motor, a lead screw and nut drive, a horizontal connecting plate, a No. 5 guide rail slider module, a No. 5 motor, a No. 5 motor fixing plate, and a No. 4 lead screw. The No. 5 guide rail slider module is fixedly installed on the base near the concrete sample. The horizontal connecting plate is fixedly installed on the No. 5 guide rail slider module. The end face of the No. 5 motor fixing plate near the No. 5 guide rail slider module is fixedly installed on the base 1. The No. 5 motor is installed in the center of the No. 5 motor fixing plate and is rigidly connected to the No. 4 lead screw. The No. 4 lead screw drives the horizontal connecting plate to move in a direction parallel to the concrete sample. A vertical fixing plate is fixedly installed on a horizontal connecting plate. The No. 4 guide rail slider module is fixedly installed on the vertical fixing plate. The fixed angle aluminum is fixedly installed on the No. 4 guide rail slider module. The No. 4 motor fixing plate is fixedly installed on the upper end face of the vertical fixing plate. The No. 4 motor is fixedly installed on the end face of the No. 4 motor fixing plate and is rigidly connected to the lead screw nut drive. The lead screw nut drive is connected to the fixed angle aluminum. The up and down movement of the fixed angle aluminum can adjust the flushing height of the flushing head. The No. 3 motor is fixed on the fixed angle aluminum through a sleeve. The flushing head is connected to the No. 3 motor through a flushing head fixing seat. The No. 3 motor can adjust the flushing angle of the flushing head. The flushing head is connected to the outlet of the pump through a hose and a water outlet pipe. The pump is fixedly installed on a pump fixing seat. The water inlet pipe connects the water tank and the pump.

[0010] Preferably, the grinding disc includes a grinding fixed shell, an adjusting spring, a grinding block fixing plate, a grinding block, a water inlet, a water outlet, tenons, and mortises. The grinding fixed shell is rigidly connected to a servo motor. The upper surface of the grinding fixed shell has several water inlets, and the inner surface has several mortises. The lower end of the adjusting spring is fixedly mounted on the grinding block fixing plate, and the upper end is fixedly mounted on the grinding fixed shell. The grinding block is fixedly mounted on the grinding block fixing plate. The grinding block fixing plate has several water outlets of different diameters, and several tenons are provided on the side of the grinding block fixing plate. The tenons can be installed into the mortises, and the tenons and mortises are clearance fit.

[0011] A method for operating a concrete erosion and abrasion test device: First, the sample fixing device can clamp concrete samples of different sizes and control the tilt angle of the concrete sample. When the sample fixing device adjusts the concrete sample to a horizontal position, the abrasion feed device controls the abrasion device to move downward to a suitable position directly above the concrete sample, thus realizing the abrasion test of the concrete sample. After the abrasion test is completed, the abrasion device can retract to a safe position away from the concrete sample. When the sample fixing device adjusts the concrete sample to an inclined position, the abrasion device can complete the abrasion test of the concrete sample by adjusting the abrasion height and abrasion angle of the abrasion head.

[0012] The beneficial effects of this invention are as follows:

[0013] 1. Since the sample fixing device uses a movable clamp to clamp the concrete sample, the sample fixing device can clamp concrete samples of different sizes, which effectively solves the limitation of the concrete sample size by the existing flushing and grinding device, and effectively improves the flexibility and utilization efficiency of the equipment.

[0014] 2. Because the grinding device used fixes the grinding block simulating the displacement of material on the grinding disc, it effectively avoids the damage to the test equipment that may be caused by the steel ball being lifted by the high-speed water flow in the traditional scheme, increases the contact opportunity between the grinding block and the sample surface, and makes the results of the grinding test more accurate.

[0015] 3. Because the sample fixing device can adjust the tilt angle of the concrete sample, and the flushing head height and flushing angle can be adjusted by the flushing device, the flushing effect of the concrete block in the real environment can be greatly improved, overcoming the shortcomings of the flushing device having a single function and low utilization rate. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0017] Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the grinding feed device in an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the grinding device structure in an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the sample fixing device structure in an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the flushing device structure in an embodiment of the present invention;

[0022] Figure 6 for Figure 5 A magnified view of a portion of point A in the middle;

[0023] Figure 7 This is a schematic diagram of the process of grinding a concrete sample.

[0024] Figure 8 This is a schematic diagram illustrating the process of rinsing a concrete sample.

[0025] Figure 9 A front view of a concrete sample during the impact grinding process;

[0026] Figure 10 for Figure 9 A magnified view of a portion of point B in the middle;

[0027] Figure 11 An isometric view of the explosion of the grinding head;

[0028] In the diagram: 1-base, 2-protective cover, 3-grinding feed device, 4-grinding device, 5-sample fixing device, 6-concrete sample, 7-flushing device, 8-water tank.

[0029] 301-1 guide rail slider module, 302-1 motor, 303-1 motor fixing angle steel, 304-large rectangular connecting plate, 305-small rectangular connecting plate, 306-2 motor fixing angle steel, 307-2 motor, 308-2 lead screw, 309-1 lead screw, 310-optical axis fixing seat, 311-2 guide rail slider module;

[0030] 401-Optical axis, 402-Grinding disc, 403-Linear bearing, 404-Servo motor, 405-Transmission nut pair, 406-Rectangular fixing plate, 407-No. 3 lead screw, 408-Patch bearing seat, 4020-Grinding fixing shell, 4021-Adjusting spring, 4022-Grinding block fixing plate, 4023-Grinding block, 4024-Water inlet, 4025-Water outlet, 4026-Tongue, 4027-Tongue;

[0031] 501-Sample fixing plate, 502-Hydraulic cylinder, 503-Hydraulic cylinder fixing shaft, 504-T-shaped connecting plate, 505-Positioning connecting rod, 506-Clamping spring, 507-Clamping connecting rod, 508-Clamping shaft, 509-Fixed lifting lug, 510-Cylinder, 511-No. 3 guide rail slider module, 512-Modible hinge, 513-L-shaped sample positioning edge;

[0032] 701-Pump mounting base, 702-Inlet pipe, 703-Pump, 704-Outlet pipe, 705-Hose, 706-Brush head, 707-Fixing angle aluminum, 708-Brush head mounting base, 709-Sleeve, 710-Motor No. 3, 711-Guide rail slider module No. 4, 712-Vertical fixing plate, 713-Motor No. 4 fixing plate, 714-Motor No. 4, 715-Screw and nut drive, 716-Horizontal connecting plate, 717-Guide rail slider module No. 5, 718-Motor No. 5, 719-Motor No. 5 fixing plate, 720-Screw No. 4. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] Example

[0035] This invention discloses an experimental research device with adjustable concrete tilt angle, flushing head height, and flushing angle for erosion and abrasion resistance testing of concrete blocks of different sizes. First, the sample fixing device 5 can clamp concrete samples 6 of different sizes and control the tilt angle of the concrete sample 6. When the sample fixing device 5 adjusts the concrete sample 6 to a horizontal position, the flushing feed device 3 controls the flushing device 4 to move downward to a suitable position directly above the concrete sample 6, so as to realize the flushing test of the concrete sample 6. After the flushing test is completed, the flushing device 4 can be retracted to a safe position away from the concrete sample 6. When the sample fixing device 5 adjusts the concrete sample 6 to an inclined position, the flushing device 7 can complete the flushing test of the concrete sample 6 by adjusting the flushing height and flushing angle of the flushing head 706.

[0036] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0037] Reference Figure 1An experimental research device for testing the erosion and abrasion resistance of concrete blocks of different sizes, with adjustable concrete tilt angle, abrasive head height, and abrasion angle, includes a base 1, a protective cover 2, an abrasion feed device 3, an abrasion device 4, a sample fixing device 5, a concrete sample 6, an abrasion device 7, and a water tank 8. The protective cover 2 and the abrasion device 7 are fixedly installed on the base 1. The abrasion device 7 can adjust the abrasion angle and abrasion height of the abrasion head 706. The abrasion feed device 3 is fixedly installed on the inner side of the protective cover 2. The abrasion feed device 3 is located on both sides of the sample fixing device 5. The abrasion device 4 is fixedly installed on the abrasion feed device 3, and the distance between the abrasion feed device 4 and the concrete sample 6 can be adjusted. The sample fixing device 5 is connected to the base 1 and can clamp concrete samples 6 of different sizes. The concrete sample 6 is installed on the sample fixing device 5. The sample fixing device 5 can adjust the tilt angle of the concrete sample 6 during abrasion. The water tank 8 is located directly below the base 1.

[0038] Reference Figure 2 The grinding feed device 3 includes a first guide rail slider module 301, a first motor 302, a first motor fixing angle steel 303, a large rectangular connecting plate 304, a small rectangular connecting plate 305, a second motor fixing angle steel 306, a second motor 307, a second lead screw 308, a first lead screw 309, an optical axis fixing seat 310, and a second guide rail slider module 311. The first guide rail slider module 301 and the first motor fixing angle steel 303 are fixedly installed inside the protective cover 2. The large rectangular connecting plate 304 is fixedly connected to the first guide rail slider module 301. The first motor 302 is fixedly installed on the first motor fixing angle steel 303. The first lead screw 309 is used for... The large rectangular connecting plate 304 moves up and down. The second guide rail slider module 311 is fixedly installed on the long side near the large rectangular connecting plate 304. The small rectangular connecting plate 305 is fixedly installed on the second guide rail slider module 311. There are two optical axis fixing seats 310, which are fixedly installed on the short side near the small rectangular connecting plate 305 respectively. The second motor fixing angle steel 306 is fixedly installed on the short side near the large rectangular connecting plate 304. The second motor 307 is fixedly installed on the second motor fixing angle steel 306. The second lead screw 308 is rigidly connected to the second motor 307, and the second lead screw 308 is used for the left and right movement of the small rectangular connecting plate 305.

[0039] Reference Figure 3The grinding device 4 includes an optical axis fixing seat 310, an optical axis 401, a grinding disc 402, linear bearings 403, a servo motor 404, a transmission nut assembly 405, a rectangular fixing plate 406, a No. 3 lead screw 407, and a patch bearing seat 408. The optical axis 401 is fixedly installed on the optical axis fixing seat 310, and several linear bearings 403 are provided on the optical axis 401. The lower part of the linear bearings 403 is fixedly connected to the rectangular fixing plate 406. The servo motor 404 is fixedly installed in the center of the rectangular fixing plate 406. The transmission nut assembly 405 is fixedly installed on the rectangular fixing plate 406 and close to the side of the servo motor 404. The two ends of the No. 3 lead screw 407 are fixedly installed on the small rectangular connecting plate 305 through the patch bearing seat 408. The No. 3 lead screw 407 can drive the transmission nut assembly 405 to move. The grinding disc 402 is installed on the servo motor 404.

[0040] Reference Figure 1 , Figure 4 , Figure 7 and Figure 8An adjustable concrete tilt angle, scouring head height, and scouring angle testing device for scouring and abrasion resistance testing of concrete blocks of different sizes is provided. Concrete samples 6 of different sizes can be clamped using a sample fixing device 5. The sample fixing device 5 includes a sample fixing plate 501, a hydraulic cylinder 502, a hydraulic cylinder fixing shaft 503, a T-shaped connecting plate 504, an angle positioning connecting rod 505, a clamping spring 506, a clamping connecting rod 507, a clamping shaft 508, a fixing lug 509, a cylinder 510, a No. 3 guide rail slider module 511, a fixing hinge 512, and an L-shaped sample positioning ridge 513. Plate 501 is connected to base 1 via hinge 512. The upper end of hydraulic cylinder 502 is connected to the back of sample fixing plate 501, and the lower end is fixed to base 1 via hydraulic cylinder fixing shaft 503. Hydraulic cylinder 502 can adjust the tilt angle of sample fixing plate 501. The L-shaped sample positioning ridge 513 is fixedly installed at the edges of the bottom and side of sample fixing plate 501. Sample fixing plate 501 has several grooves on the side away from the L-shaped sample positioning ridge 513. Several No. 3 guide rail slider modules 511 are fixedly installed in the grooves of sample fixing plate 501. The T-shaped connecting plate 504... The cylinder 510 is fixedly connected to the guide rail slider module 511. It is connected to the end face of the T-shaped connecting plate 504 away from the L-shaped sample positioning edge 513 via a pin. The base of the cylinder 510 is fixed to the sample fixing plate 501 via a fixing lug 509. The angle positioning connecting rod 505 is fixed to the side of the T-shaped connecting plate 504 via a pin, with its long side contacting the concrete sample 6 and its short side connected to the clamping shaft 508 via a pin. The clamping spring 506 is mounted on the clamping shaft 508. One end of the clamping connecting rod 507 is fixed to the T-shaped connecting plate 504 via a pin. On the side, the other end is used to clamp the concrete sample 6. During operation, when the cylinder 510 pushes the T-shaped connecting plate 504 forward, the angle positioning connecting rod 505 rotates around the pin shaft and drives the clamping shaft 508 to move. During the movement of the clamping shaft 508, the clamping connecting rod 507 is pressed tightly onto the concrete sample 6, so that the concrete sample 6 is clamped. At this time, the clamping spring 506 is compressed. When the cylinder 510 pulls the T-shaped connecting plate 504 backward, the clamping spring 506 automatically springs up. At this time, the clamping connecting rod 507 separates from the surface of the concrete sample 6, so that the concrete sample 6 is released.

[0041] Reference Figure 5 , Figure 6 and Figure 8An experimental research device for testing the erosion and abrasion resistance of concrete blocks of different sizes, with adjustable concrete tilt angle, flushing head height, and flushing angle, allows for adjustment of the flushing angle and flushing height of the flushing head 706 via a flushing device 7. The flushing device 7 includes a pump mounting base 701, an inlet pipe 702, a pump 703, an outlet pipe 704, a hose 705, a flushing head 706, a fixed angle aluminum 707, a flushing head mounting base 708, a sleeve 709, a No. 3 motor 710, a No. 4 guide rail slider module 711, a vertical fixing plate 712, a No. 4 motor fixing plate 713, a No. 4 motor 714, and a wire... The system comprises a rod nut drive 715, a horizontal connecting plate 716, a No. 5 guide rail slider module 717, a No. 5 motor 718, a No. 5 motor fixing plate 719, and a No. 4 lead screw 720. The No. 5 guide rail slider module 717 is fixedly mounted on the base 1 near the concrete sample 6. The horizontal connecting plate 716 is fixedly mounted on the No. 5 guide rail slider module 717. The No. 5 motor fixing plate 719 is fixedly mounted on the base 1 near the end face of the No. 5 guide rail slider module 717. The No. 5 motor 718 is mounted in the center of the No. 5 motor fixing plate 719 and is rigidly connected to the No. 4 lead screw 720. The No. 4 lead screw 720 drives the horizontal connecting plate 716 to move in a direction parallel to the concrete sample 6. The vertical fixing plate 712 is fixedly installed on the horizontal connecting plate 716. The No. 4 guide rail slider module 711 is fixedly installed on the vertical fixing plate 712. The fixing angle aluminum 707 is fixedly installed on the No. 4 guide rail slider module 711. The No. 4 motor fixing plate 713 is fixedly installed on the upper end face of the vertical fixing plate 712. The No. 4 motor 714 is fixedly installed on the end face of the No. 4 motor fixing plate 713 and is rigidly connected to the lead screw nut drive 715. 5 is connected to the fixed angle aluminum 707. The up and down movement of the fixed angle aluminum 707 can adjust the flushing height of the flushing head 706. The No. 3 motor 710 is fixed to the fixed angle aluminum 707 through the sleeve 709. The flushing head 706 is connected to the No. 3 motor 710 through the flushing head fixing seat 708. The No. 3 motor 710 can adjust the flushing angle of the flushing head 706. The flushing head 706 is connected to the outlet of the pump 703 through the hose 705 and the water outlet pipe 704. The pump 703 is fixedly installed on the pump fixing seat 701. The water inlet pipe 702 connects the water tank 8 and the pump 703.

[0042] Reference Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 9 , Figure 10 and Figure 11An adjustable concrete tilt angle, scouring head height, and scouring angle test device is provided to meet the scouring and abrasion resistance testing needs of concrete blocks of different sizes. The distance between the scouring disc 402 on the scouring device 4 and the concrete sample 6 can be adjusted via the scouring feed device 3 to simulate the abrasion test of the concrete sample 6 surface by the transported mass. The scouring disc 402 includes a scouring fixing shell 4020, an adjusting spring 4021, a grinding block fixing plate 4022, a grinding block 4023, a water inlet 4024, a water outlet 4025, a tenon 4026, and a mortise 4027. The scouring fixing shell 4022 is rigidly connected to a servo motor 404. The upper surface of the grinding and fixing housing 4020 has several water inlets 4024, and the inner surface has several mortises 4027. The lower end of the adjusting spring 4021 is fixedly installed on the grinding block fixing plate 4022, and the upper end is fixedly installed on the grinding and fixing housing 4020. The grinding block 4023 is fixedly installed on the grinding block fixing plate 4022. The grinding block fixing plate 4022 has several water outlets 4025 of different diameters, and several tenons 4026 are provided on the side of the grinding block fixing plate 4022. The tenons 4026 can be installed into the mortises 4027, and the tenons 4026 and the mortises 4027 are clearance fit.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A concrete erosion and abrasion resistance testing device, characterized in that: The system includes a base (1), a protective cover (2), a grinding feed device (3), a grinding device (4), a sample fixing device (5), a concrete sample (6), a flushing device (7), and a water tank (8). The protective cover (2) and the flushing device (7) are fixedly installed on the base (1). The flushing device (7) can adjust the flushing angle and flushing height of the flushing head (706). The grinding feed device (3) is fixedly installed on the inner side of the protective cover (2). The grinding feed device (3) is located on both sides of the sample fixing device (5). The grinding device (4) is fixedly installed on the grinding feed device (3), and the grinding feed device (3) can adjust the distance between the grinding device (4) and the concrete sample (6). The sample fixing device (5) is connected to the base (1) and can clamp concrete samples (6) of different sizes. The concrete sample (6) is installed on the sample fixing device (5). The sample fixing device (5) can adjust the tilt angle of the concrete sample (6) during the scouring process. The water tank (8) is located directly below the base (1).

2. The concrete erosion and abrasion resistance testing device according to claim 1, characterized in that: The grinding feed device (3) includes a No. 1 guide rail slider module (301), a No. 1 motor (302), a No. 1 motor fixing angle steel (303), a large rectangular connecting plate (304), a small rectangular connecting plate (305), a No. 2 motor fixing angle steel (306), a No. 2 motor (307), a No. 2 lead screw (308), a No. 1 lead screw (309), an optical axis fixing seat (310), and a No. 2 guide rail slider module (311). The No. 1 guide rail slider module (301) and the No. 1 motor fixing angle steel (303) are fixedly installed on the inner side of the protective cover (2). The large rectangular connecting plate (304) is fixedly connected to the No. 1 guide rail slider module (301). The No. 1 motor (302) is fixedly installed on the No. 1 motor fixing angle steel (303). The No. 1 lead screw (308) is fixedly installed on the No. 1 motor fixing angle steel (309). 9) For the up-and-down movement of the large rectangular connecting plate (304), the No. 2 guide rail slider module (311) is fixedly installed on the long side near the large rectangular connecting plate (304), the small rectangular connecting plate (305) is fixedly installed with the No. 2 guide rail slider module (311), there are two optical axis fixing seats (310), which are fixedly installed on the short side near the small rectangular connecting plate (305), the No. 2 motor fixing angle steel (306) is fixedly installed on the short side near the large rectangular connecting plate (304), the No. 2 motor (307) is fixedly installed on the No. 2 motor fixing angle steel (306), the No. 2 lead screw (308) is rigidly connected to the No. 2 motor (307), and the No. 2 lead screw (308) is used for the left and right movement of the small rectangular connecting plate (305).

3. The concrete erosion and abrasion resistance testing device according to claim 2, characterized in that: The grinding device (4) includes an optical axis fixing seat (310), an optical axis (401), a grinding disc (402), a linear bearing (403), a servo motor (404), a transmission nut pair (405), a rectangular fixing plate (406), a No. 3 lead screw (407), and a patch bearing seat (408). The optical axis (401) is fixedly installed on the optical axis fixing seat (310), and several linear bearings (403) are provided on the optical axis (401). The lower part of the linear bearings (403) is fixed to the rectangular fixing plate (406). The servo motor (404) is fixedly installed in the center of the rectangular fixed plate (406), the transmission nut pair (405) is fixedly installed on the rectangular fixed plate (406) and close to the side of the servo motor (404), the two ends of the No. 3 lead screw (407) are fixedly installed on the small rectangular connecting plate (305) through the patch bearing seat (408), the No. 3 lead screw (407) can drive the transmission nut pair (405) to move, and the grinding disc (402) is installed on the servo motor (404).

4. The concrete erosion and abrasion resistance testing device according to claim 1, characterized in that: The sample fixing device (5) includes a sample fixing plate (501), a hydraulic cylinder (502), a hydraulic cylinder fixing shaft (503), a T-shaped connecting plate (504), an angle positioning connecting rod (505), a clamping spring (506), a clamping connecting rod (507), a clamping shaft (508), a fixing lug (509), a cylinder (510), a No. 3 guide rail slider module (511), a fixing hinge (512), and an L-shaped sample positioning ridge (513). The sample fixing plate (501) is connected to the base (1) through the movable hinge (512). The upper end of the hydraulic cylinder (502) is connected to the back of the sample fixing plate (501), and the lower end is connected to the back of the sample fixing plate (501). The hydraulic cylinder (502) is fixed to the base (1) via the hydraulic cylinder fixing shaft (503). The hydraulic cylinder (502) can adjust the tilt angle of the sample fixing plate (501). The L-shaped sample positioning ridge (513) is fixedly installed at the bottom and side edges of the sample fixing plate (501). The sample fixing plate (501) has several grooves on the side away from the L-shaped sample positioning ridge (513). Several No. 3 guide rail slider modules (511) are fixedly installed in the grooves of the sample fixing plate (501). The T-shaped connecting plate (504) is fixedly connected to the No. 3 guide rail slider module (511). The cylinder (510) is connected to the T-shaped connecting plate (501) via a pin. 04) The end face away from the L-shaped sample positioning edge (513) is connected. The base of the cylinder (510) is fixed to the sample fixing plate (501) by the fixing lug (509). The angle positioning rod (505) is fixed to the side of the T-shaped connecting plate (504) by the pin. The long side of the angle positioning rod (505) is in contact with the concrete sample (6), and the short side is connected to the clamping shaft (508) by the pin. The clamping spring (506) is installed on the clamping shaft (508). One end of the clamping rod (507) is fixed to the side of the T-shaped connecting plate (504) by the pin, and the other end is used to clamp the concrete sample (6). During operation, when the cylinder (510) pushes the T-shaped connecting plate (504) forward, the angle positioning link (505) rotates around the pin shaft and drives the clamping shaft (508) to move. During the movement of the clamping shaft (508), the clamping link (507) is pressed tightly onto the concrete sample (6), so that the concrete sample (6) is clamped. At this time, the clamping spring (506) is compressed. When the cylinder (510) pulls the T-shaped connecting plate (504) backward, the clamping spring (506) automatically springs up. At this time, the clamping link (507) separates from the surface of the concrete sample (6), so that the concrete sample (6) is released.

5. The concrete erosion and abrasion resistance testing device according to claim 1, characterized in that: The flushing device (7) includes a pump mounting base (701), an inlet pipe (702), a pump (703), an outlet pipe (704), a hose (705), a flushing head (706), a fixed angle aluminum (707), a flushing head mounting base (708), a sleeve (709), a No. 3 motor (710), a No. 4 guide rail slider module (711), a vertical fixing plate (712), a No. 4 motor fixing plate (713), a No. 4 motor (714), a lead screw and nut drive (715), a horizontal connecting plate (716), a No. 5 guide rail slider module (717), a No. 5 motor (718), a No. 5 motor fixing plate (719), and a No. 4 lead screw. (720) The No. 5 guide rail slider module (717) is fixedly installed on the base (1) near the concrete sample (6). The horizontal connecting plate (716) is fixedly installed on the No. 5 guide rail slider module (717). The No. 5 motor fixing plate (719) is fixedly installed on the base (1) near the end face of the No. 5 guide rail slider module (717). The No. 5 motor (718) is installed in the middle of the No. 5 motor fixing plate (719), and the No. 5 motor (718) is rigidly connected to the No. 4 lead screw (720). The No. 4 lead screw (720) drives the horizontal connecting plate (716) to move in a direction parallel to the concrete sample (6). The vertical fixing plate (712) is fixedly installed on the horizontal connecting plate (716), the No. 4 guide rail slider module (711) is fixedly installed on the vertical fixing plate (712), the fixed angle aluminum (707) is fixedly installed on the No. 4 guide rail slider module (711), the No. 4 motor fixing plate (713) is fixedly installed on the upper end face of the vertical fixing plate (712), the No. 4 motor (714) is fixedly installed on the end face of the No. 4 motor fixing plate (713) and is rigidly connected to the lead screw nut drive (715), the lead screw nut drive (715) is connected to the fixed angle aluminum (707), and the fixed angle aluminum (707) is... The up-and-down movement of the brush head (706) can adjust the brushing height. The No. 3 motor (710) is fixed on the fixed angle aluminum (707) through the sleeve (709). The brush head (706) is connected to the No. 3 motor (710) through the brush head fixing seat (708). The No. 3 motor (710) can adjust the brushing angle of the brush head (706). The brush head (706) is connected to the outlet of the pump (703) through the hose (705) and the water outlet pipe (704). The pump (703) is fixedly installed on the pump fixing seat (701). The water inlet pipe (702) connects the water tank (8) and the pump (703).

6. The concrete erosion and abrasion resistance testing device according to claim 3, characterized in that: The grinding disc (402) includes a grinding fixing shell (4020), an adjusting spring (4021), a grinding block fixing plate (4022), a grinding block (4023), a water inlet (4024), a water outlet (4025), a tenon (4026), and a mortise (4027). The grinding fixing shell (4020) is rigidly connected to a servo motor (404). The upper surface of the grinding fixing shell (4020) has several water inlets (4024), and the inner surface has several mortises (4027). The adjusting spring (4021)... The lower end is fixedly installed on the grinding block fixing plate (4022), and the upper end is fixedly installed on the grinding fixing shell (4020). The grinding block (4023) is fixedly installed on the grinding block fixing plate (4022). The grinding block fixing plate (4022) has several water outlets (4025) of different diameters. Several tenons (4026) are provided on the side of the grinding block fixing plate (4022). The tenons (4026) can be installed into the mortises (4027), and the tenons (4026) and the mortises (4027) are clearance fit.

7. A method for operating the concrete erosion and abrasion resistance testing device as described in claim 1, characterized in that: First, the sample fixing device (5) can clamp concrete samples (6) of different sizes and control the tilt angle of the concrete sample (6). When the sample fixing device (5) adjusts the concrete sample (6) to a horizontal position, the grinding feed device (3) controls the grinding device (4) to move downward to a suitable position directly above the concrete sample (6), so that the grinding test of the concrete sample (6) can be realized. After the grinding test is completed, the grinding device (4) can be retracted to a safe position away from the concrete sample (6). When the sample fixing device (5) adjusts the concrete sample (6) to an inclined position, the flushing device (7) can complete the flushing test of the concrete sample (6) by adjusting the flushing height and flushing angle of the flushing head (706).

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