Concrete impermeability tester for engineering detection

Abstract

The invention relates to the technical field of concrete impermeability, and discloses a concrete impermeability tester for engineering detection, the concrete impermeability tester 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 provided with a water pump, the top of the water tank is fixedly provided with a vacuum device, and the water outlet end of the water pump is fixedly communicated with a water pipe; a vacuum device is fixedly connected to the top of the box body, an air suction end of the vacuum device fixedly communicates with an air suction pipe, a fixing table is fixedly connected to the top of the box body, a fixing mechanism is arranged at the top of the box body, a scraping mechanism is arranged in the box body, an extrusion mechanism is arranged in the box body, and a motor is installed in the box body. The interior of the compression cylinder is in a vacuum state, so that the accuracy of a test result is ensured, and the situation that residues or dirt in the tester possibly influence the distribution of water pressure, and consequently the test result is inaccurate is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete anti-seepage, in particular to a concrete anti-seepage tester for engineering detection. Background Art

[0002] Concrete impermeability tester is an engineering testing equipment used to evaluate the impermeability of concrete. Through the impermeability test, the safety, applicability, durability or disaster resistance of concrete structures can be evaluated. This is crucial to ensure the performance of engineering structures during long-term use.

[0003] The patent with announcement number CN117129402A discloses a concrete impermeability test device for engineering quality inspection, including a test box, a permeameter installed in the test box, a test piece mold fixed to the top of the permeameter by bolts, a shallow plate on the top of the test box, a driving assembly on the shallow plate, a roller brush rotatably connected in the shallow plate, a transmission assembly on the shallow plate and the roller brush, a connecting rod rotatably connected to the top of the shallow plate, a brush base slidably connected to the connecting rod, a soft brush slidably provided on the brush base, the patent drives the second clamp and the first clamp by a driving motor to drive the concrete test piece to rotate, so that the side of the concrete test piece rolls twice in the paraffin melt, and the paraffin on the concrete test piece is further evenly spread by moving the soft brush back and forth, so that the side of the concrete test piece is sealed.

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

[0005] The technical problem to be solved by the present invention is to provide a concrete impermeability tester for engineering inspection in view of the deficiencies in the above-mentioned prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a concrete impermeability tester for engineering inspection, comprising a box body and a closing plate, the top of the box body is fixedly connected to 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 to a water pipe, the air suction end of the vacuum device is fixedly connected to an exhaust pipe, the top of the box body is fixedly connected to a fixed platform, the top of the box body is provided with a fixing mechanism, the interior of the box body is provided with a scraping mechanism, and the interior of the box body is provided with a vacuum device. A squeezing mechanism is arranged, a motor is installed inside the box body, a fixing rod is fixedly connected to the top of the fixing platform, a cylinder is installed on the top of the fixing rod, the fixing mechanism includes a transmission rod, a fixed round block, a long scraping rod, bristles, a connecting rod, a compression plate, a compression cylinder, a rectangular block, a telescopic rod, a block, and a water outlet circular plate, the transmission rod is fixedly connected to the output end of the cylinder, the fixed round 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 round block, the bristles are fixedly connected to the arc surface of the long scraping rod, and the connecting rod is fixed The invention relates to a method for preparing a water pump for use in a water-saving device for producing a water-saving device for a water-saving device. The water-saving device is fixedly connected to the circumferential surface of the fixed circular block, the compression disk is fixedly connected to the side of the transmission rod away from the 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 telescopic rod is fixedly connected to the surface of the rectangular block, the clamping block is fixedly connected to the side of the telescopic rod away from the rectangular block, the water outlet circular plate is fixedly connected to the inner wall of the bottom of the compression cylinder, the inner wall of the closing plate is provided with a weighing assembly, the end of the water pipe away from the water pump is fixed to the top of the compression disk, the compression disk contacts the inner wall of the compression cylinder, so that the concrete sample is squeezed to keep the concrete sample still on the top of the compression disk and cannot move, and at the same time, there is a partition coating between the water outlet circular plate and the concrete sample to ensure that when water enters, the water cannot flow out through the gap except inside the concrete, thereby affecting the accuracy of the detection and improving the accuracy of the device. When the vacuum device is started, the air inside the compression cylinder is sucked out through the exhaust pipe, so that the inside of the compression cylinder is in a vacuum state, thereby ensuring the accuracy of the test results and reducing the residue or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0007] Preferably, the scraping mechanism includes a conical drain, a connecting column, an inner disc, and an electric knocking rod. The connecting column is fixedly connected to the top of the inner wall of the box body, the conical drain is fixedly connected to the bottom of the connecting column away from the compression cylinder, the inner disc is fixedly connected to the bottom of the connecting rod, and the electric knocking rod is fixedly connected to the inner wall of the inner disc. The scraping mechanism also includes an inner water container, a three-circle plate, and a cleaning rod. The inner water container is rotatably connected to the inner surface of the conical drain, the three-circle 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 container, the circumferential surface of the connecting rod is provided with a non-self-locking spiral groove, the inner wall of the three-circle plate is provided with a clamping rod, and the clamping rod is located in the non-self-locking In the spiral groove, the cleaning rod is in sliding contact with the inner surface of the conical drain, the output end of the electric knocking rod is in contact with the surface of the conical drain, the number of the cleaning rods is set to be multiple, and the multiple cleaning rods are distributed in a circular row on the top of the inner water container, and the top of the three-circle plate is rotatably connected to the top of the inner wall of the box, so that the water on the surface of the conical drain can drip into the round sponge at the bottom through the opening of the inner water container, ensuring that all the flowing water can be 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, thereby ensuring the accuracy of the test results, and reducing the residue or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0008] Preferably, the extrusion mechanism includes a second connecting column, a rotating block, a rotating rod, an L-shaped plate, a second telescopic rod, and an extrusion plate. The second connecting column is fixedly connected to the output end of the motor, the rotating block is fixedly connected to the circumferential surface of the second connecting column, 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 also includes a round sponge and a convex block. The closing plate is rotatably connected to the top of the second connecting column, the round sponge is fixedly connected to the top surface of the closing plate, and the convex block The block is fixedly connected to the bottom of the extrusion plate, the top of the connecting rod contacts the bottom of the fixed platform, the surface of the protrusion contacts the top surface of the round sponge, and the extrusion plate is in sliding contact with the inner wall of the closing plate, so that the round sponge absorbs the dripping water, reducing the splashing of leaked water outside the detection platform while dripping, reducing the amount of test experimental water, and thus causing inaccurate results of subsequent tests. The extrusion plate contacts the round sponge and squeezes the round sponge through the protrusion at the bottom of the extrusion plate, so that the water in the round sponge can be evenly distributed after being squeezed, so that the weight of the round sponge after absorbing water is evenly distributed, thereby improving the accuracy of weighing measurement.

[0009] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The concrete impermeability tester for engineering inspection, through the coordinated movement of the transmission rod, fixed round block, long scraper rod, bristles, connecting rod, compression plate, compression cylinder, rectangular block, telescopic rod, block, and water outlet circular plate, the device will squeeze the concrete sample so that the concrete sample remains stationary on the top of the compression plate and cannot move. At the same time, there will be a partition coating between the water outlet circular plate and the concrete sample to ensure that when water enters, the water cannot flow out through the gap except inside the concrete, thereby affecting the accuracy of the detection and improving the accuracy of the device. At the same time, the vacuum device is started to suck out the air inside the compression cylinder through the exhaust pipe, so that the inside of the compression cylinder is in a vacuum state, thereby ensuring the accuracy of the test results and reducing the residue or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0010] 2. The concrete impermeability tester for engineering inspection, through the coordinated movement between the conical leak, connecting column 1, inner disc, electric knocking rod, inner water device, three-circle plate and cleaning rod, allows the water on the surface of the conical leak to drip into the round sponge at the bottom through the opening of the inner water device, ensuring that all the flowing water can be detected when detecting the volume and weight of the water, further ensuring the detection accuracy of the device and improving the efficiency of the equipment. The knocking of the conical leak can vibrate some residual water stains on the inner surface of the conical leak and clean the internal water stains of the conical leak, ensuring that the detection effect will not be affected in the next concrete detection, making the continuous detection effect of the equipment more accurate and precise.

[0011] 3. The concrete impermeability tester used in the project inspection, the connecting column 2, the rotating block, the rotating rod, the L-shaped plate, the telescopic rod 2, the extrusion plate, the closing plate, the round sponge, and the convex blocks cooperate with each other to make the round sponge absorb the dripping water, reducing the splashing of the leaking water outside the detection platform while dripping, reducing the amount of test experimental water, and thus causing inaccurate test results later. The extrusion plate will contact the round sponge and squeeze the round sponge through the convex blocks at the bottom of the extrusion plate, so that the water in the round sponge can be evenly distributed after being squeezed, and the weight of the round sponge after absorbing water is evenly distributed, thereby improving the accuracy of weighing measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a half-section diagram of the overall structure of the present invention; Figure 3 It is a schematic diagram of the fixing mechanism of the present invention; Figure 4 For the present invention Figure 3 A magnified view of the structure at center; Figure 5 It is a schematic diagram of the scraping mechanism of the present invention; Figure 6For the present invention Figure 5 A magnified view of the structure at B in the middle; Figure 7 It is a schematic diagram of the extrusion mechanism of the present invention; Figure 8 It is a half-section view of the extrusion mechanism of the present invention.

[0013] In the figure: 1, box; 2, water pump; 3, vacuum device; 4, water tank; 5, cylinder; 6, fixing mechanism; 7, scraping mechanism; 8, squeezing mechanism; 9, motor; 10, suction pipe; 11, water pipe; 12, fixing rod; 13, fixing table; 601, transmission rod; 602, fixing round block; 603, long scraping rod; 604, bristles; 605, connecting rod; 606, compression plate; 607, compression cylinder; 608, rectangular block; 609, telescopic Rod one; 610, block; 611, water outlet circular plate; 701, conical drain; 702, connecting column one; 703, inner disc; 704, electric knocking rod; 705, inner water container; 706, three-circle plate; 707, cleaning rod; 801, connecting column two; 802, rotating block; 803, rotating rod; 804, L-shaped plate; 805, telescopic rod two; 806, squeezing plate; 807, closing plate; 808, round sponge; 809, bump. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-Figure 8One embodiment of the present invention is: a concrete impermeability tester for engineering inspection, comprising a box body 1 and a closing plate 807, a water tank 4 is fixedly connected to the top of the box body 1, a water pump 2 is fixedly installed on the top of the water tank 4, a vacuum device 3 is fixedly installed on the top of the water tank 4, a water outlet end of the water pump 2 is fixedly connected to a water pipe 11, and an air suction end of the vacuum device 3 is fixedly connected to an exhaust pipe 10, a fixed platform 13 is fixedly connected to the top of the box body 1, a fixing mechanism 6 is arranged on the top of the box body 1, a scraping mechanism 7 is arranged inside the box body 1, a squeezing mechanism 8 is arranged inside the box body 1, a motor 9 is installed inside the box body 1, a fixing rod 12 is fixedly connected to the top of the fixing platform 13, a cylinder 5 is installed on the top of the fixing rod 12, and the fixing mechanism 6 includes a transmission rod 601, a fixing circle Block 602, long scraper rod 603, bristles 604, connecting rod 605, compression disk 606, compression cylinder 607, rectangular block 608, telescopic rod 609, block 610, water outlet circular plate 611, transmission rod 601 is fixedly connected to the output end of cylinder 5, fixed circular block 602 is fixedly connected to the circumferential surface of transmission rod 601, long scraper rod 603 is fixedly connected to the circumferential surface of fixed circular block 602, bristles 604 are fixedly connected to the arc surface of long scraper rod 603, connecting rod 605 is fixedly connected to the circumferential surface of fixed circular block 602, compression disk 606 is fixedly connected to the side of transmission rod 601 away from cylinder 5, compression cylinder 607 is fixedly connected to the top of box body 1, rectangular block 608 is fixedly connected to the inner wall of compression cylinder 607, telescopic rod 609 is fixed The device is connected to the surface of the rectangular block 608, the block 610 is fixedly connected to the side of the telescopic rod 609 away from the rectangular block 608, the water outlet circular plate 611 is fixedly connected to the inner wall of the bottom of the compression cylinder 607, and the inner wall of the closing plate 807 is provided with a weighing assembly. The end of the water pipe 11 away from the water pump 2 is fixed to the top of the compression disk 606, and the compression disk 606 contacts the inner wall of the compression cylinder 607. Before the device is started, the concrete sample to be tested is manually placed into the compression cylinder 607, and the cylinder 5 starts to start at the same time. The output end of the cylinder 5 will push the transmission rod 601, and the transmission rod 601 moves to drive the compression disk 606 to move downward, pushing and squeezing the concrete sample, so that the concrete sample passes through the arc on the block 610, squeezing and pushing the telescopic rod 609, and the telescopic rod 60 9 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 inside the compression cylinder 607, the telescopic rod 609 will reset, squeezing the concrete sample so that the concrete sample remains stationary on the top of the compression disk 606 and cannot move. At the same time, there will be a partition coating between the water outlet circular plate 611 and the concrete sample to ensure that when water enters, the water cannot flow out through the gap except inside the concrete, thereby affecting the accuracy of the detection and improving the accuracy of the device. After the concrete is fixed, the cylinder 5 will drive the transmission rod 601 to move upward, the transmission rod 601 drives the fixed circular block 602 to move, the fixed circular block 602 drives the long scraper rod 603 to move, and the long scraper rod 603 drives the bristles 604 to move. During the rising process of the bristles 604,The bristles 604 will contact the surface of the compression cylinder 607, and will scrape off the debris and dust on the inner wall of the compression cylinder 607 when the concrete sample is placed. At this time, the water pump 2 will start and discharge the water in the water tank 4 into the interior of the compression cylinder 607 through the water pipe 11. At the same time, the vacuum device 3 will start to suck out the air inside the compression cylinder 607 through the suction pipe 10, so that the interior of the compression cylinder 607 is in a vacuum state, further improving the effect of the concrete test, and ensuring that the test process is not disturbed by external pollutants, thereby ensuring the accuracy of the test results, reducing the residue or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0016] The scraping mechanism 7 includes a conical drain 701, a connecting column 702, an inner disc 703, and 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 drain 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 scraping mechanism 7 also includes an inner water container 705, a three-circle plate 706, and a cleaning rod 707. The inner water container 705 is rotatably connected to the inner surface of the conical drain 701, the three-circle plate 706 is movably connected to the circumferential surface of the connecting rod 605, and the cleaning rod 707 is fixed. The top of the inner water container 705 is fixedly connected, the circumferential surface of the connecting rod 605 is provided with a non-self-locking spiral groove, the inner wall of the three-circle 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 drain 701, and the water flowing out from the bottom of the concrete sample will pass through the water outlet circular plate 611, enter the interior of the conical drain 701, and flow into the measuring device at the bottom along the surface of the conical drain 701. At the same time, the transmission rod 601 moves to drive the connecting rod 605 to move downward. During the movement, the three-circle plate 706 will rotate through the non-self-locking spiral groove on the connecting rod 605, and the rotation of the three-circle plate 706 will The cleaning rod 707 contacts and pushes it to rotate, so that the cleaning rod 707 rotates and moves on the inner surface of the conical drain 701 with the inner water container 705 as the center. At this time, during the rotation and movement of the cleaning rod 707, the cleaning rod 707 will scrape the water on the inner wall surface of the conical drain 701, so that the water on the surface of the conical drain 701 can drip into the round sponge 808 at the bottom through the opening of the inner water container 705, ensuring that all the flowing water can be 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 contacts the surface of the conical drain 701, and the number of cleaning rods 707 It is set to be multiple, and multiple cleaning rods 707 are distributed in a circular row on the top of the inner water container 705, the top of the three-circle plate 706 is rotatably connected to the top of the inner wall of the box body 1, and at the same time, after the connecting rod 605 moves to a certain distance, the inner disc 703 will cover the conical drain 701, and the electric knocking rod 704 on the inner wall of the inner disc 703 will knock on the surface of the conical drain 701. The knocking of the conical drain 701 can vibrate some residual water stains on the inner surface of the conical drain 701 and fall down, which can clean the internal water stains of the conical drain 701, ensuring that the detection effect will not be affected in the next concrete detection, making the continuous detection effect of the equipment more accurate and precise.

[0017] Working principle: before the device is started, the concrete sample to be tested is manually placed into the compression cylinder 607, and the cylinder 5 starts to start at the same time. The output end of the cylinder 5 will push the transmission rod 601, and the transmission rod 601 moves to drive the compression plate 606 to move downward, pushing and squeezing the concrete sample, so that the concrete sample passes through the arc on the block 610, squeezing and pushing the telescopic rod 1 609, and the telescopic rod 1 609 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 inside the compression cylinder 607, the telescopic rod 1 609 will reset, squeezing the concrete sample so that the concrete sample remains stationary on the top of the compression plate 606 and cannot move. At the same time, there will be a partition coating between the water outlet circular plate 611 and the concrete sample to ensure that when water enters, the water cannot flow out through the gap except inside the concrete, thereby affecting the accuracy of the detection, thereby improving the accuracy of the device, and the concrete fixed structure After the compression, the cylinder 5 will drive the transmission rod 601 to move upward, the transmission rod 601 will drive the fixed round block 602 to move, the fixed round block 602 will drive the long scraper rod 603 to move, and the long scraper rod 603 will drive the bristles 604 to move. During the rising process, the bristles 604 will contact the surface of the compression cylinder 607, and will scrape off the debris and dust contaminated by the concrete sample when it is placed on the inner wall of the compression cylinder 607. At this time, the water pump 2 will start and discharge the water in the water tank 4 into the interior of the compression cylinder 607 through the water pipe 11. At the same time, the vacuum device 3 will start to suck out the air inside the compression cylinder 607 through the exhaust pipe 10, so that the interior of the compression cylinder 607 is in a vacuum state, further improving the effect of the concrete test, and ensuring that the test process is not disturbed by external pollutants, thereby ensuring the accuracy of the test results, reducing the residue or dirt in the tester, which may affect the distribution of water pressure and cause inaccurate test results.

[0018] The water flowing out from the bottom of the concrete sample will pass through the water outlet circular plate 611, enter the interior of the conical drain 701, and flow into the measuring device at the bottom along the surface of the conical drain 701. At the same time, the transmission rod 601 moves to drive the connecting rod 605 to move downward. During the movement, the three-circle plate 706 will rotate through the non-self-locking spiral groove on the connecting rod 605. The rotation of the three-circle plate 706 will contact the cleaning rod 707 and push it to rotate, so that the cleaning rod 707 rotates and moves on the inner surface of the conical drain 701 with the inner water container 705 as the center. At this time, during the rotation and movement of the cleaning rod 707, the cleaning rod 707 will scrape the water on the inner wall surface of the conical drain 701, so that the water on the surface of the conical drain 701 can be The water can drip into the round sponge 808 at the bottom through the opening of the inner water container 705, ensuring that all the flowing water can be detected when detecting the volume and weight of the water, further ensuring the detection accuracy of the device and improving the utilization efficiency of the equipment. At the same time, after the connecting rod 605 moves to a certain distance, the inner disc 703 will cover the conical drain 701, and the electric knocking rod 704 on the inner wall of the inner disc 703 will knock on the surface of the conical drain 701. The knocking of the conical drain 701 can vibrate some residual water stains on the inner surface of the conical drain 701 and fall down, which can clean the internal water stains of the conical drain 701, ensuring that the detection effect will not be affected in the next concrete detection, making the continuous detection effect of the equipment more accurate and precise.

[0019] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the extrusion mechanism 8 includes a second connecting column 801, a rotating block 802, a rotating rod 803, an L-shaped plate 804, a second telescopic rod 805, and an extrusion plate 806. The second connecting column 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 second connecting column 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, and the second telescopic rod 805 is fixedly connected to the surface of the L-shaped plate 804. The squeezing plate 806 is fixedly connected to the bottom of the telescopic rod 805, and the squeezing mechanism 8 also includes a round sponge 808 and a bump 809. The closing plate 807 is rotatably connected to the top of the connecting column 801, and the round sponge 808 is fixedly connected to the top surface of the closing plate 807. At the same time, the leaked water passes through the opening of the inner water container 705 under the guidance of the conical leak 701 and drips onto the round sponge 808 on the top of the closing plate 807. The round sponge 808 absorbs the dripping water, reducing the splashing of the leaking water outside the detection platform while dripping, reducing the detection experiment. The amount of water will be lost, which will lead to inaccurate results of subsequent detection, further affecting the detection effect of the device. The protrusion 809 is fixedly connected to the bottom of the extrusion plate 806, the top of the connecting rod 605 contacts the bottom of the fixed platform 13, the surface of the protrusion 809 contacts 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. At the same time, after the leaked water drops fall on the surface of the round sponge 808, the motor 9 will start, and the output end of the motor 9 will drive the connecting column 801 to rotate, and the rotation of the connecting column 801 drives the rotating block 809 to rotate. 02 rotation, the rotation of the rotating block 802 will drive the L-shaped plate 804 on itself to rotate, and at this time the rotation of the L-shaped plate 804 will drive the telescopic rod 805 to rotate, and the rotation of the telescopic rod 805 will drive the squeezing plate 806 to rotate. While the squeezing plate 806 rotates, the squeezing plate 806 will contact the round sponge 808 and squeeze the round sponge 808 through the convex block 809 at the bottom of the squeezing plate 806, so that the water in the round sponge 808 can be evenly distributed after being squeezed, and the weight of the round sponge 808 after absorbing water is evenly distributed, thereby improving the accuracy of weighing measurement.

[0020] Working principle: At the same time, the leaking water passes through the conical leak 701 and drips onto the round sponge 808 on the top of the closing plate 807 through the opening of the inner water container 705. The round sponge 808 absorbs the dripping water, reducing the splashing of the leaking water outside the detection platform while dripping, reducing the amount of test water, thereby causing inaccurate results of subsequent tests, further affecting the detection effect of the device. At the same time, after the leaking water drops on the surface of the round sponge 808, the motor 9 will start, and the output end of the motor 9 will drive the connecting column 801 to rotate, and the connecting column 801 rotates The rotating block 802 is driven to rotate, and the rotation of the rotating block 802 will drive the L-shaped plate 804 on itself to rotate. At this time, the rotation of the L-shaped plate 804 will drive the second telescopic rod 805 to rotate, and the rotation of the second telescopic rod 805 will drive the extrusion plate 806 to rotate. When the extrusion plate 806 rotates, the extrusion plate 806 will contact the round sponge 808 and squeeze the round sponge 808 through the protrusion 809 at the bottom of the extrusion plate 806, so that the water in the round sponge 808 can be evenly distributed after being squeezed, and the weight of the round sponge 808 after absorbing water is evenly distributed, thereby improving the accuracy of weighing measurement.

[0021] The present invention provides a concrete impermeability tester for engineering inspection. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A concrete impermeability tester for engineering inspection, comprising a box (1) and a closing plate (807), characterized in that: The top of the box body (1) is fixedly connected to a water tank (4), the top of the water tank (4) is fixedly mounted with a water pump (2), the top of the water tank (4) is fixedly mounted with a vacuum device (3), the water outlet end of the water pump (2) is fixedly connected to a water pipe (11), the air suction end of the vacuum device (3) is fixedly connected to an air extraction pipe (10), the top of the box body (1) is fixedly connected to a fixing platform (13), the top of the box body (1) is provided with a fixing mechanism (6), the interior of the box body (1) is provided with a scraping mechanism (7), the interior of the box body (1) is provided with a squeezing mechanism (8), the interior of the box body (1) is installed with a motor (9), the top of the fixing platform (13) is fixedly connected to a fixing rod (12), the top of the fixing rod (12) is mounted with a cylinder (5); The fixing mechanism (6) comprises a transmission rod (601), a fixed round block (602), a long scraping rod (603), bristles (604), a connecting rod (605), a compression plate (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 round 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 round block (602); the bristles (604) are fixedly connected to the arc surface of the long scraping rod (603); and the connecting rod (605) is fixedly connected to the circumferential 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 plate (606) is fixedly connected to the side of the transmission rod (601) away from the cylinder (5); the compression cylinder (607) is fixedly connected to the top of the box body (1); the rectangular block (608) is fixedly connected to the inner wall of the compression cylinder (607); the telescopic rod 1 (609) is fixedly connected to the surface of the rectangular block (608); the clamping block (610) is fixedly connected to the side of the telescopic rod 1 (609) away from the rectangular block (608); the water outlet circular plate (611) is fixedly connected to the inner wall of the bottom of the compression cylinder (607); and a weighing component is provided on the inner wall of the closing plate (807).

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

3. The concrete impermeability tester for engineering testing according to claim 2, characterized in that: The scraping mechanism (7) comprises a conical drain (701), a connecting column (702), an inner disc (703), and 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 drain (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).

4. The concrete impermeability tester for engineering testing according to claim 3, characterized in that: The scraping mechanism (7) further comprises an inner water container (705), a three-circle plate (706), and a cleaning rod (707); the inner water container (705) is rotatably connected to the inner surface of the conical drain (701); the three-circle 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 container (705); a non-self-locking spiral groove is provided on the circumferential surface of the connecting rod (605); and a clamping rod is provided on the inner wall of the three-circle plate (706), and the clamping rod is located in the non-self-locking spiral groove.

5. The concrete impermeability tester for engineering testing according to claim 4, characterized in that: The cleaning rod (707) is in sliding contact with the inner surface of the conical drain (701), the output end of the electric knocking rod (704) is in contact with the surface of the conical drain (701), the number of the cleaning rods (707) is set to be multiple, and the multiple cleaning rods (707) are distributed in a circular row on the top of the inner water container (705), and the top of the three-circle plate (706) is rotatably connected to the top of the inner wall of the box body (1).

6. The concrete impermeability tester for engineering testing according to claim 5, characterized in that: The extrusion mechanism (8) comprises a second connecting column (801), a rotating block (802), a rotating rod (803), an L-shaped plate (804), a second telescopic rod (805), and an extrusion plate (806); the second connecting column (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 second connecting column (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 second telescopic rod (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 second telescopic rod (805).

7. The concrete impermeability tester for engineering testing according to claim 6, characterized in that: The squeezing mechanism (8) further comprises a round sponge (808) and a protrusion (809); the closing plate (807) is rotatably connected to the top of the second connecting column (801); the round sponge (808) is fixedly connected to the top surface of the closing plate (807); and the protrusion (809) is fixedly connected to the bottom of the squeezing plate (806).

8. The concrete impermeability tester for engineering testing according to claim 7, characterized in that: The top of the connecting rod (605) contacts the bottom of the fixing platform (13), the surface of the protrusion (809) contacts the top surface of the round sponge (808), and the squeezing plate (806) contacts the inner wall of the closing plate (807) in sliding contact.

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