Concrete impermeability tester for engineering detection

Abstract

The application relates to the technical field of concrete impermeability, and discloses a concrete impermeability tester for engineering detection, which comprises a box body and a closing plate, the top of the box body is fixedly connected with a water tank, the top of the water tank is fixedly installed with a water pump, the top of the water tank is fixedly installed with a vacuum device, the water outlet end of the water pump is fixedly connected with a water pipe, the air inlet end of the vacuum device is fixedly connected with an air exhaust pipe, the top of the box body is fixedly connected with a fixing table, the top of the box body is provided with a fixing mechanism, the inside of the box body is provided with a scraping mechanism, the inside of the box body is provided with an extrusion mechanism, and the inside of the box body is installed with a motor. The vacuum device is started to suck out the air in the compression cylinder through the air exhaust pipe, so that the inside of the compression cylinder is in a vacuum state, thereby ensuring the accuracy of test results, and reducing residues or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete impermeability, in particular to a concrete impermeability tester for engineering detection. BACKGROUND

[0002] The concrete impermeability tester is an engineering detection device for evaluating the impermeability of concrete. Through impermeability testing, the safety, suitability, durability, or disaster resistance of concrete structures can be assessed. This is crucial for ensuring the performance of engineering structures during long-term use.

[0003] Patent No. CN117129402A discloses a concrete impermeability testing device for engineering quality detection, which includes a detection box. Inside the detection box, there is a permeameter. The permeameter is fixed on the top of the test piece mold through bolts. The top of the detection box is provided with a shallow tray. The shallow tray is provided with a driving assembly. The shallow tray is rotatably connected with a roller brush. The shallow tray and the roller brush are provided with a transmission assembly. The top of the shallow tray is rotatably connected with a connecting rod. The connecting rod is slidably connected with a brush base. The brush base is slidably provided with a soft brush. The patent drives the clamping piece two and the clamping piece one to rotate the concrete test piece by driving the motor. The side of the concrete test piece rolls in the paraffin melt for two turns. The soft brush moves forward and backward to further evenly apply the paraffin on the concrete test piece, so that the side of the concrete test piece is sealed.

[0004] However, the above device does not test the concrete under vacuum conditions during detection, resulting in different detection results under different air pressure conditions, which affects the detection accuracy of the equipment. Therefore, a concrete impermeability tester for engineering detection is proposed to solve the above problems. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a concrete impermeability tester for engineering detection to solve the above problems.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is: a concrete impermeability tester for engineering detection, comprising a box body and a closing plate, a water tank is fixedly connected to the top of the box body, a water pump is fixedly installed on the top of the water tank, a vacuum device is fixedly installed on the top of the water tank, the water outlet end of the water pump is fixedly communicated with a water pipe, the air inlet end of the vacuum device is fixedly communicated with an air suction pipe, a fixing table is fixedly connected to the top of the box body, a fixing mechanism is arranged on the top of the box body, a scraping mechanism is arranged in the box body, an extrusion mechanism is arranged in the box body, a motor is installed in the box body, a fixed rod is fixedly connected to the top of the fixing table, a gas cylinder is installed on the top of the fixed rod, the fixing mechanism comprises a transmission rod, a fixed circular block, a long scraping rod, brush hairs, a connecting rod, a compression disc, a compression cylinder, a rectangular block, a first telescopic rod, a clamping block and a water outlet circular plate, the transmission rod is fixedly connected to the output end of the gas cylinder, the fixed circular block is fixedly connected to the circumferential surface of the transmission rod, the long scraping rod is fixedly connected to the circumferential surface of the fixed circular block, the brush hairs are fixedly connected to the curved surface of the long scraping rod, the connecting rod is fixedly connected to the circumferential surface of the fixed circular block, the compression disc is fixedly connected to the side of the transmission rod away from the gas cylinder, the compression cylinder is fixedly connected to the top of the box body, the rectangular block is fixedly connected to the inner wall of the compression cylinder, the first telescopic rod is fixedly connected to the surface of the rectangular block, the clamping block is fixedly connected to the side of the first telescopic rod away from the rectangular block, and the water outlet circular plate is fixedly connected to the inner wall at the bottom of the compression cylinder.

[0007] Preferably, the scraping mechanism comprises a conical hole, a connecting column I, an inner disc, an electric knock stick, the connecting column I is fixedly connected to the top of the inner wall of the box body, the conical hole is fixedly connected to the bottom of the connecting column I away from the compression cylinder, the inner disc is fixedly connected to the bottom of the connecting rod, the electric knock stick is fixedly connected to the inner wall of the inner disc, the scraping mechanism further comprises an inner water device, a three-week plate, a cleaning rod, the inner water device is rotatably connected to the inner surface of the conical hole, the three-week plate is movably connected to the circumferential surface of the connecting rod, the cleaning rod is fixedly connected to the top of the inner water device, the circumferential surface of the connecting rod is provided with a non-self-locking spiral groove, the inner wall of the three-week plate is provided with a clamping rod, and the clamping rod is located in the non-self-locking spiral groove, the cleaning rod is in sliding contact with the inner surface of the conical hole, the output end of the electric knock stick is in contact with the surface of the conical hole, the number of the cleaning rods is plural, and the plural cleaning rods are circularly arranged on the top of the inner water device, and the top of the three-week plate is rotatably connected to the top of the inner wall of the box body, so that the water on the surface of the conical hole can be dropped into the bottom circular sponge through the opening of the inner water device, ensuring that the flowing water can be fully detected when the volume and weight of the water are detected, further ensuring the detection accuracy of the device, improving the use efficiency of the equipment, thereby ensuring the accuracy of the test results, and reducing the residues or dirt in the test instrument, which may affect the distribution of water pressure and cause inaccurate test results.

[0008] Preferably, the extrusion mechanism comprises a connecting column II, a rotating block, a rotating rod, an L-shaped plate, a second telescopic rod and an extrusion plate, the connecting column II is fixedly connected to the output end of the motor, the rotating block is fixedly connected to the circumferential surface of the connecting column II, the rotating rod is fixedly connected to the circumferential surface of the rotating block, the L-shaped plate is fixedly connected to the top of the rotating rod, the second telescopic rod is fixedly connected to the surface of the L-shaped plate, and the extrusion plate is fixedly connected to the bottom of the second telescopic rod, the extrusion mechanism further comprises a circular sponge and a protruding block, the closing plate is rotatably connected to the top of the connecting column II, the circular sponge is fixedly connected to the top surface of the closing plate, and the protruding block is fixedly connected to the bottom of the extrusion plate, the top of the connecting rod is in contact with the bottom of the fixed table, the surface of the protruding block is in contact with the top surface of the circular sponge, and the extrusion plate is in sliding contact with the inner wall of the closing plate, so that the circular sponge can absorb the water droplets, reduce the splashing of the leaking water to the outside of the detection platform while the water is dripping, reduce the amount of detection experimental water, thereby causing inaccurate results in the subsequent detection, the extrusion plate is in contact with the circular sponge and extrudes the circular sponge through the protruding block at the bottom of the extrusion plate, so that the water in the circular sponge can be evenly distributed after being extruded, the weight of the water-absorbed circular sponge is evenly distributed, and the accuracy of the weighing measurement is improved.

[0009] The technical scheme disclosed by the application can bring the following beneficial effects:

[0010] 1. The engineering detection concrete impermeability tester, through the mutual cooperation and movement between the transmission rod, the fixed circular block, the long scraping rod, the brush, the connecting rod, the compression disc, the compression cylinder, the rectangular block, the telescopic rod one, the clamping block and the water outlet circular plate, the device will extrude the concrete sample to keep the concrete sample stationary on the top of the compression disc and unable to move, meanwhile, there will be a partition coating between the water outlet circular plate and the concrete sample to ensure that the water cannot flow out through the gap except the inside of the concrete when the water enters, thereby affecting the accuracy of the detection, improving the use precision of the device, and the vacuum starts to suck out the air inside the compression cylinder through the air suction pipe, so that the inside of the compression cylinder is in a vacuum state, thereby ensuring the accuracy of the test results, reducing the residues or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0011] 2. The engineering detection concrete impermeability tester, through the mutual cooperation and movement between the conical leak, the connecting column one, the inner disc, the electric knocking rod, the inner water device, the three-week plate and the cleaning rod, the water on the surface of the conical leak can be dripped into the bottom circular sponge through the opening of the inner water device, ensuring that the flowing water can be fully detected when detecting the volume and weight of the water, further ensuring the detection accuracy of the device, improving the use efficiency of the equipment, and the knocking of the conical leak can vibrate and fall some residual water stains on the inside surface of the conical leak, which can clean the inside water stains of the conical leak, ensuring that the detection effect will not be affected in the next concrete detection, so that the continuous detection effect of the equipment is more accurate and precise.

[0012] 3. The engineering detection concrete impermeability tester, through the mutual cooperation and movement between the connecting column two, the rotating block, the rotating rod, the L-shaped plate, the telescopic rod two, the extrusion plate, the closing plate, the circular sponge and the protruding block, the circular sponge can absorb the dripping water, reducing the splashing of the leaking water to the outside of the detection platform while dripping, reducing the amount of detection experimental water, thereby causing inaccurate results in the following detection, the extrusion plate will contact the circular sponge and extrude the circular sponge through the protruding block at the bottom of the extrusion plate, so that the water in the circular sponge can be evenly distributed after being extruded, allowing the weight of the water-absorbed circular sponge to be evenly distributed, improving the accuracy of the weighing measurement. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 It is a half-section view of the overall structure of the present application;

[0015] Figure 3 It is a schematic diagram of the fixing mechanism of the present application;

[0016] Figure 4 It is a structure enlarged view of A in the present application Figure 3

[0017] ​Figure 5 Schematic diagram of the scraping mechanism of the present application;

[0018] Figure 6 Schematic diagram of the pressing mechanism of the present application Figure 5 Enlarged view of the structure at B in the present application;

[0019] Figure 7 Schematic diagram of the pressing mechanism of the present application;

[0020] Figure 8 Schematic diagram of the pressing mechanism of the present application;

[0021] In the figure: 1, box; 2, water pump; 3, vacuum device; 4, water tank; 5, air cylinder; 6, fixing mechanism; 7, scraping mechanism; 8, pressing mechanism; 9, motor; 10, air suction pipe; 11, water pipe; 12, fixing rod; 13, fixing table; 601, transmission rod; 602, fixed round block; 603, long scraping rod; 604, brush; 605, connecting rod; 606, compression disc; 607, compression cylinder; 608, oblong block; 609, telescopic rod one; 610, clamping block; 611, water outlet round plate; 701, conical leakage; 702, connecting column one; 703, inner disc; 704, electric knocking rod; 705, inner water device; 706, three-week plate; 707, cleaning rod; 801, connecting column two; 802, rotating block; 803, rotating rod; 804, L-shaped plate; 805, telescopic rod two; 806, pressing plate; 807, closing plate; 808, round sponge; 809, protruding block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0023] Please refer to Figures 1-8One embodiment of the present application is: a concrete impermeability tester for engineering detection, comprising a box body 1 and a closing plate 807, the top of the box body 1 is fixedly connected with a water tank 4, the top of the water tank 4 is fixedly installed with a water pump 2, the top of the water tank 4 is fixedly installed with a vacuum device 3, the water outlet end of the water pump 2 is fixedly communicated with a water pipe 11, the air inlet end of the vacuum device 3 is fixedly communicated with an air exhaust pipe 10, the top of the box body 1 is fixedly connected with a fixing table 13, the top of the box body 1 is provided with a fixing mechanism 6, the inside of the box body 1 is provided with a scraping mechanism 7, the inside of the box body 1 is provided with an extrusion mechanism 8, the inside of the box body 1 is installed with a motor 9, the top of the fixing table 13 is fixedly connected with a fixing rod 12, the top of the fixing rod 12 is installed with an air cylinder 5, the fixing mechanism 6 comprises a transmission rod 601, a fixed circular block 602, a long scraping rod 603, a brush 604, a connecting rod 605, a compression disc 606, a compression cylinder 607, a rectangular block 608, a first telescopic rod 609, a clamping block 610 and a water outlet circular plate 611, the transmission rod 601 is fixedly connected with the output end of the air cylinder 5, the fixed circular block 602 is fixedly connected with the circumferential surface of the transmission rod 601, the long scraping rod 603 is fixedly connected with the circumferential surface of the fixed circular block 602, the brush 604 is fixedly connected with the arc surface of the long scraping rod 603, the connecting rod 605 is fixedly connected with the circumferential surface of the fixed circular block 602, the compression disc 606 is fixedly connected with the side, away from the air cylinder 5, of the transmission rod 601, the compression cylinder 607 is fixedly connected with the top of the box body 1, the rectangular block 608 is fixedly connected with the inner wall of the compression cylinder 607, the first telescopic rod 609 is fixedly connected with the surface of the rectangular block 608, the clamping block 610 is fixedly connected with the side, away from the rectangular block 608, of the first telescopic rod 609, and the water outlet circular plate 611 is fixedly connected with the inner wall at the bottom of the compression cylinder 607, the inner wall of the closing plate 807 is provided with a weighing assembly, one end of the water pipe 11, away from the water pump 2, is fixed with the top of the compression disc 606, the compression disc 606 is in contact with the inner wall of the compression cylinder 607, before the device is started, the concrete sample to be detected is manually placed into the compression cylinder 607, at the same time, the air cylinder 5 starts to work, the output end of the air cylinder 5 pushes the transmission rod 601, the transmission rod 601 moves to drive the compression disc 606 to move downwards, pushes the concrete sample to move through the arc on the clamping block 610, extrudes the first telescopic rod 609, the first telescopic rod 609 drives the rectangular block 608 to compress, when the bottom of the concrete sample is completely in contact with the water outlet circular plate 611 in the compression cylinder 607, the first telescopic rod 609 resets, the concrete sample is extruded to keep still on the top of the compression disc 606, cannot move, at the same time, there is a separation coating between the water outlet circular plate 611 and the concrete sample, ensures that water cannot flow out through the gap except the inside of the concrete when water enters, thereby affecting the accuracy of detection, improves the use precision of the device, after the concrete is fixed, the air cylinder 5 drives the transmission rod 601 to move upwards, the transmission rod 601 drives the fixed circular block 602 to move, the fixed circular block 602 drives the long scraping rod 603 to move, the long scraping rod 603 drives the brush 604 to move, in the process of rising of the brush 604,The bristles 604 will be in contact with the surface of the compression cylinder 607 and will scrape off the dirt and dust that is attached to the concrete sample when it is placed in the compression cylinder 607. At this time, the water pump 2 will be started and will discharge the water in the water tank 4 into the interior of the compression cylinder 607 through the water pipe 11, and the vacuum device 3 will be started to suck out the air in the interior of the compression cylinder 607 through the air suction pipe 10, so that the interior of the compression cylinder 607 is in a vacuum state, which further improves the effect of the concrete test and can ensure that the test process is not disturbed by external pollutants, thereby ensuring the accuracy of the test results and reducing the possibility that residual substances or dirt in the test instrument will affect the distribution of water pressure and cause inaccurate test results.

[0024] The scraping mechanism 7 comprises a conical hole 701, a connecting column 702, an inner disc 703, an electric knocking rod 704, the connecting column 702 is fixedly connected to the top of the inner wall of the box body 1, the conical hole 701 is fixedly connected to the bottom of the connecting column 702 away from the compression cylinder 607, the inner disc 703 is fixedly connected to the bottom of the connecting rod 605, the electric knocking rod 704 is fixedly connected to the inner wall of the inner disc 703, the scraping mechanism 7 further comprises an inner water device 705, a three-week plate 706 and a cleaning rod 707, the inner water device 705 is rotationally connected to the inner surface of the conical hole 701, the three-week plate 706 is movably connected to the circumferential surface of the connecting rod 605, the cleaning rod 707 is fixedly connected to the top of the inner water device 705, the circumferential surface of the connecting rod 605 is provided with a non-self-locking spiral groove, the inner wall of the three-week plate 706 is provided with a clamping rod, and the clamping rod is located in the non-self-locking spiral groove, the cleaning rod 707 is in sliding contact with the inner surface of the conical hole 701, water flowing out from the bottom of the concrete sample will flow into the conical hole 701 through the water outlet disc 611, and then flow along the surface of the conical hole 701 to the measuring device at the bottom, at the same time, the transmission rod 601 moves to drive the connecting rod 605 to move downward, in the moving process, the three-week plate 706 rotates through the non-self-locking spiral groove on the connecting rod 605, the rotation of the three-week plate 706 contacts the cleaning rod 707 and drives the cleaning rod 707 to rotate, so that the cleaning rod 707 rotates and moves on the inner surface of the conical hole 701 with the inner water device 705 as the center, at this time, in the rotating and moving process of the cleaning rod 707, the cleaning rod 707 scrapes the water on the inner wall surface of the conical hole 701, so that the water on the surface of the conical hole 701 can drip into the bottom circular sponge 808 through the opening of the inner water device 705, ensuring that the flowing water can be completely detected when detecting the volume and weight of the water, further ensuring the detection accuracy of the device and improving the use efficiency of the equipment, the output end of the electric knocking rod 704 is in contact with the surface of the conical hole 701, the number of the cleaning rods 707 is multiple, and the multiple cleaning rods 707 are arranged in a circular array on the top of the inner water device 705, the top of the three-week plate 706 is rotationally connected to the top of the inner wall of the box body 1, at the same time, after the connecting rod 605 moves to a certain distance, the inner disc 703 will cover the conical hole 701, the electric knocking rod 704 on the inner wall of the inner disc 703 will knock the surface of the conical hole 701, the knocking of the conical hole 701 can vibrate and fall some residual water stains on the inner surface of the conical hole 701, so that the inner water stains of the conical hole 701 are cleaned, ensuring that the detection effect will not be affected in the next detection of the concrete, so that the continuous detection effect of the equipment is more accurate and precise.

[0025] Working principle: when the device starts, the artificial need to detect the concrete sample into the compression cylinder 607 inside, while the cylinder 5 starts to start, the output end of cylinder 5 will push the transmission rod 601, transmission rod 601 movement driven compression disc 606 down, push the extrusion of concrete samples, make the concrete sample through the arc on the block 610, extrusion push rod one 609, telescopic rod one 609 driven rectangle 608 compression, when the bottom of the concrete sample completely with compression cylinder 607 inside the water round plate 611 contact, telescopic rod one 609 will reset, extrusion of concrete samples make concrete sample in compression disc 606 top keep still, can't move, at the same time, the water round plate 611 and concrete sample between will have the separation paint, ensure that when the water into, water can't through the crack except the concrete inside flow out, so as to affect the accuracy of detection, improve the use precision of the device, after the concrete fixed, cylinder 5 will drive transmission rod 601 up, transmission rod 601 driven fixed round block 602 movement, fixed round block 602 driven long scraper 603 movement, long scraper 603 driven brush 604 movement, brush 604 in the process of rising, brush 604 will contact with the surface of compression cylinder 607, will be in the inner wall of compression cylinder 607 scrape the dirt and dust in the concrete sample put in, at this time, the water pump 2 will start, and through the water pipe 11 will water tank 4 in the water in the inside of compression cylinder 607, at the same time, vacuum 3 start through the suction pipe 10 will compression cylinder 607 inside air suction, make compression cylinder 607 inside in a vacuum state, further improve the effect of concrete test, can guarantee the test process not by outside pollutants interference, so as to ensure the accuracy of test results, reduce the test instrument has residual or dirt, may affect the distribution of water pressure, lead to test results inaccurate.

[0026] Through the water flowing out of the bottom of the concrete sample, the water will pass through the water outlet disc 611, enter the inside of the conical funnel 701, flow along the surface of the conical funnel 701 to the bottom measuring device, and at the same time, the transmission rod 601 moves to drive the connecting rod 605 to move downward. In the process of moving, the three-week plate 706 will rotate through the non-self-locking spiral groove on the connecting rod 605. The rotation of the three-week plate 706 will contact and push the cleaning rod 707 to rotate, so that the cleaning rod 707 rotates and moves on the inner surface of the conical funnel 701 with the inner water device 705 as the center. At this time, in the process of rotating and moving, the cleaning rod 707 will scrape the water on the inner wall surface of the conical funnel 701, so that the water on the surface of the conical funnel 701 can drop into the bottom circular sponge 808 through the opening of the inner water device 705, ensuring that the flowing water can be detected in the detection of the volume and weight of the water, further ensuring the detection accuracy of the device, improving the use efficiency of the equipment, and at the same time, after the connecting rod 605 moves to a certain distance, the inner disc 703 will cover the conical funnel 701. The electric knocking rod 704 on the inner wall of the inner disc 703 will knock the surface of the conical funnel 701. The knocking of the conical funnel 701 can vibrate and fall some residual water stains on the inner surface of the conical funnel 701, which can clean the internal water stains of the conical funnel 701, ensure that it will not affect the detection effect in the next detection of concrete, and make the continuous detection effect of the equipment more accurate and more precise.

[0027] Please refer to Figures 1-8On the basis of the above-embodiment, in another embodiment of the present application, the extrusion mechanism 8 comprises a connecting column two 801, a rotating block 802, a rotating rod 803, an L-shaped plate 804, an extension rod two 805, an extrusion plate 806, the connecting column two 801 is fixedly connected to the output end of the motor 9, the rotating block 802 is fixedly connected to the circumferential surface of the connecting column two 801, the rotating rod 803 is fixedly connected to the circumferential surface of the rotating block 802, the L-shaped plate 804 is fixedly connected to the top of the rotating rod 803, the extension rod two 805 is fixedly connected to the surface of the L-shaped plate 804, the extrusion plate 806 is fixedly connected to the bottom of the extension rod two 805, the extrusion mechanism 8 further comprises a round sponge 808 and a protruding block 809, the closing plate 807 is rotatably connected to the top of the connecting column two 801, the round sponge 808 is fixedly connected to the top surface of the closing plate 807, at the same time, the leaked water flows downward through the tapered leakage 701 and drips on the round sponge 808 on the top of the closing plate 807, the round sponge 808 can absorb the dripping water, reducing the splashing of the dripping water outside the detection platform, reducing the amount of detection experimental water, thereby causing the result of the subsequent detection to be inaccurate, further affecting the detection effect of the device, the protruding block 809 is fixedly connected to the bottom of the extrusion plate 806, the top of the connecting rod 605 is in contact with the bottom of the fixed table 13, the surface of the protruding block 809 is in contact with the top surface of the round sponge 808, the extrusion plate 806 is in sliding contact with the inner wall of the closing plate 807, at the same time, after the dripping water leaks on the surface of the round sponge 808, the motor 9 is started, the output end of the motor 9 drives the connecting column two 801 to rotate, the connecting column two 801 drives the rotating block 802 to rotate, the rotating block 802 rotates to drive the L-shaped plate 804 above itself to rotate, at this time, the L-shaped plate 804 rotates to drive the extension rod two 805 to rotate, the extension rod two 805 rotates to drive the extrusion plate 806 to rotate, at the same time of the rotation of the extrusion plate 806, the extrusion plate 806 is in contact with the round sponge 808 and extrudes the round sponge 808 through the protruding block 809 at the bottom of the extrusion plate 806, so that the water in the round sponge 808 can be evenly distributed after being extruded, the weight of the water-absorbed round sponge 808 is evenly distributed, and the accuracy of the weighing measurement is improved.

[0028] Working principle: the water seepage through the conical leakage 701 under the flow of the opening of the inner water device 705 on the top of the round sponge 808 of the closing plate 807, the round sponge 808 will absorb the water, reduce the seepage of water in the falling at the same time splash to the detection platform outside, reduce the amount of detection experiment water, thereby leading to the result of the detection is not accurate, further influence the detection effect of the device, at the same time, after the water seepage drops on the surface of the round sponge 808, the motor 9 will start, the output end of the motor 9 will drive the connecting column two 801 to rotate, the connecting column two 801 rotates and drives the rotating block 802 to rotate, the rotating block 802 rotates and drives the L-shaped plate 804 above itself to rotate, at this time, the L-shaped plate 804 rotates and drives the telescopic rod two 805 to rotate, the telescopic rod two 805 rotates and drives the extrusion plate 806 to rotate, at the same time, the extrusion plate 806 rotates, the extrusion plate 806 will contact with the round sponge 808 and extrude the round sponge 808 through the protruding block 809 at the bottom of the extrusion plate 806, so that the water in the round sponge 808 can be evenly distributed after being extruded, so that the weight of the round sponge 808 after absorbing water is evenly distributed, and the precision of the weighing measurement is improved.

[0029] The application provides a concrete impermeability tester for engineering detection, and there are many methods and approaches for specifically realizing the technical scheme. The preferred embodiments are described above, and it should be noted that ordinary technical personnel in the technical field can make some improvements and refinements without departing from the principle of the application. These improvements and refinements should also be regarded as the protection scope of the application. The components not explicitly described in the embodiments can be realized by using the prior art.

Claims

1. A concrete impermeability testing instrument for engineering detection, comprising a box body (1) and a closure plate (807), characterized in that: The top of the box (1) is fixedly connected with a water tank (4), the top of the water tank (4) is fixedly installed with a water pump (2), the top of the water tank (4) is fixedly installed with a vacuum device (3), the water outlet end of the water pump (2) is fixedly communicated with a water pipe (11), the air inlet end of the vacuum device (3) is fixedly communicated with an air exhaust pipe (10), the top of the box (1) is fixedly connected with a fixing table (13), the top of the box (1) is provided with a fixing mechanism (6), the inside of the box (1) is provided with a scraping mechanism (7), the inside of the box (1) is provided with an extrusion mechanism (8), the inside of the box (1) is installed with a motor (9), the top of the fixing table (13) is fixedly connected with a fixed rod (12), and the top of the fixed rod (12) is installed with a cylinder (5); The fixing mechanism (6) comprises a transmission rod (601), a fixed circular block (602), a long scraping rod (603), a brush (604), a connecting rod (605), a compression disc (606), a compression cylinder (607), a rectangular block (608), a telescopic rod (609), a clamping block (610) and a water outlet circular plate (611), the transmission rod (601) is fixedly connected to the output end of the cylinder (5), the fixed circular block (602) is fixedly connected to the circumferential surface of the transmission rod (601), the long scraping rod (603) is fixedly connected to the circumferential surface of the fixed circular block (602), the brush (604) is fixedly connected to the arc surface of the long scraping rod (603), the connecting rod (605) is fixedly connected to the circumferential surface of the fixed circular block (602), the compression disc (606) is fixedly connected to the side, away from the cylinder (5), of the transmission rod (601), the compression cylinder (607) is fixedly connected to the top of the box (1), the rectangular block (608) is fixedly connected to the inner wall of the compression cylinder (607), the telescopic rod (609) is fixedly connected to the surface of the rectangular block (608), the clamping block (610) is fixedly connected to the side, away from the rectangular block (608), of the telescopic rod (609), and the water outlet circular plate (611) is fixedly connected to the bottom inner wall of the compression cylinder (607), and the inner wall of the closing plate (807) is provided with a weighing assembly; The scraping mechanism (7) comprises a conical leak (701), a connecting column (702), an inner disc (703) and an electric knocking rod (704), the connecting column (702) is fixedly connected to the inner wall top of the box (1), the conical leak (701) is fixedly connected to the bottom of the connecting column (702) away from the compression cylinder (607), the inner disc (703) is fixedly connected to the bottom of the connecting rod (605), and the electric knocking rod (704) is fixedly connected to the inner wall of the inner disc (703). The extrusion mechanism (8) comprises a connecting column two (801), a rotating block (802), a rotating rod (803), an L-shaped plate (804), an extension rod two (805) and an extrusion plate (806), the connecting column two (801) is fixedly connected to the output end of the motor (9), the rotating block (802) is fixedly connected to the circumferential surface of the connecting column two (801), the rotating rod (803) is fixedly connected to the circumferential surface of the rotating block (802), the L-shaped plate (804) is fixedly connected to the top of the rotating rod (803), the extension rod two (805) is fixedly connected to the surface of the L-shaped plate (804), and the extrusion plate (806) is fixedly connected to the bottom of the extension rod two (805). The extrusion mechanism (8) further comprises a round sponge (808) and a protruding block (809), the closing plate (807) is rotatably connected to the top of the connecting column two (801), the round sponge (808) is fixedly connected to the top surface of the closing plate (807), and the protruding block (809) is fixedly connected to the bottom of the extrusion plate (806).

2. The concrete impermeability testing apparatus for engineering detection according to claim 1, characterized in that: The water pipe (11) is fixed to the top of the compression disc (606) away from the water pump (2), and the compression disc (606) is in contact with the inner wall of the compression cylinder (607).

3. The concrete impermeability testing instrument for engineering detection according to claim 1, characterized in that: The scraping mechanism (7) further comprises an inner water device (705), a three-week plate block (706) and a cleaning rod (707), the inner water device (705) is rotatably connected to the inner surface of the conical funnel (701), the three-week plate block (706) is movably connected to the circumferential surface of the connecting rod (605), and the cleaning rod (707) is fixedly connected to the top of the inner water device (705).

4. The concrete impermeability testing apparatus for engineering inspection according to claim 3, characterized in that: The cleaning rod (707) is in sliding contact with the inner surface of the conical funnel (701), the output end of the electric knocking rod (704) is in contact with the surface of the conical funnel (701), the number of the cleaning rod (707) is plural, and the plurality of cleaning rods (707) are circularly arranged on the top of the inner water device (705), and the top of the three-week plate block (706) is rotatably connected to the top of the inner wall of the box body (1).

5. The concrete impermeability testing instrument for engineering detection according to claim 1, characterized in that: The top of the connecting rod (605) is in contact with the bottom of the fixed table (13), the surface of the protruding block (809) is in contact with the top surface of the round sponge (808), and the extrusion plate (806) is in sliding contact with the inner wall of the closing plate (807).

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