Permeability testing device for waterproof material

Abstract

The invention relates to the technical field of waterproof material testing, in particular to a waterproof material permeability testing device which comprises a workbench, a supporting frame is fixedly mounted at the upper end of the workbench, a waterproof sample is placed at the upper end of the supporting frame, a bending rod is rotationally connected to one side of the supporting frame, and the bending rod is rotationally connected with the workbench. A water storage cover is fixedly installed at the upper end of the bending rod, the lower end of the water storage cover abuts against the waterproof sample, the outer side wall of the workbench is sleeved with a track ring, a water storage barrel is slidably connected to the track ring, and a supporting plate is fixedly installed at the upper end of the water storage barrel. The motor drives the rotating rod to quickly rotate, so that the counterweight ring and the counterweight block are non-uniformly stressed in the rotating process to form an eccentric structure, and therefore, the concentrated injection spray head vibrates, the injection range is expanded, and meanwhile, the positioning ring is clamped through the arc sliding block, so that the mounting cylinder pushes the arc flitch plate while vibrating, and the mounting efficiency is improved. The inflator inflates the air bag, and the sealing effect of the arc sliding block is improved.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof material testing, in particular to a permeability testing device for waterproof materials. Background Art

[0002] Waterproof materials play a vital role in the construction and manufacturing industries. Their performance directly affects the quality and durability of the structure. Common waterproof materials mainly include waterproof coatings, waterproof membranes and sealants. Waterproof coatings are often used on roofs, walls and floors to prevent moisture penetration and extend the service life of buildings. Waterproof membranes are widely used in underground buildings and humid environments, such as subway stations and tunnels. Their high elasticity and crack resistance are particularly important. Sealants are used to seal joints and cracks to ensure the overall waterproof performance of the structure.

[0003] In the penetration test, different waterproof materials are used in different environments and also need to deal with different water flow impacts. A single testing method cannot meet the testing requirements of materials in various usage environments. At the same time, in the positive pressure test, if the water tank leaks and the internal pressure decreases, it will affect the test results of the penetration test. Summary of the invention

[0004] The purpose of the invention is to provide a subject matter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a permeability testing device for waterproof materials, comprising a workbench, a support frame is fixedly installed on the upper end of the workbench, a waterproof sample is placed on the upper end of the support frame, a bending rod is rotatably connected to one side of the support frame, a water storage cover is fixedly installed on the upper end of the bending rod, and the lower end of the water storage cover is in conflict with the waterproof sample, a track ring is provided on the outer wall of the workbench, a water storage barrel is slidably connected to the track ring, a support plate is fixedly installed on the upper end of the water storage barrel, a water pump is fixedly installed on the upper end of the support plate, and the water pump is connected to the water storage barrel, the output end of the water pump is fixedly connected to a water pipe, and the middle part of the water pipe is fixedly installed A one-way valve is installed, a connecting frame is fixedly installed on the lower end of the support plate away from the water pump, a positioning ring is fixedly installed on the lower end of the connecting frame, a movable ring is movably connected in the cavity of the positioning ring, a plurality of positioning springs that interfere with the movable ring are installed on the inner side wall of the positioning ring, a mounting cylinder is fixedly installed on the inner side wall of the movable ring, and the mounting cylinder can be movably connected to the upper notch of the water storage cover, a plurality of scattering nozzles are fixedly connected to the lower end of the movable ring, a focusing nozzle is fixedly connected to the center of the lower end of the movable ring, two diversion hoses are fixedly installed on both sides of the water delivery pipe, the other end of each of the diversion hoses is connected to the mounting cylinder, and the diversion hoses are slidably connected on the inner side wall of the connecting frame;

[0006] A motor is fixedly mounted on the upper end of the mounting tube, a rotating rod is fixedly mounted on the output end of the motor, and the rotating rod extends into the cavity of the rotating disk, a counterweight ring is fixedly mounted on the outer wall of the rotating rod, a counterweight block is slidably connected to one side of the counterweight ring, an empty groove is provided on the side of the counterweight block close to the counterweight ring, a plurality of elastic ropes are fixedly mounted on the inner wall of the empty groove, and the other ends of the elastic ropes are fixedly connected to the counterweight ring.

[0007] Preferably, the lower end of the rotating rod is rotatably connected to a water baffle plate, and the water baffle plate is rotatably connected to the inner wall of the mounting cylinder, the upper end of the water baffle plate is fixedly installed with a rotating block, the inner cavity bottom of the rotating block is rotatably connected with a pushing block, and the pushing block is fixedly connected to the rotating rod, the upper end of the rotating block is provided with two arc grooves, the lower end of the water baffle plate is fixedly installed with a connecting column, the lower end of the connecting column is welded with a rotating disk, a number of flow grooves are provided on the rotating disk, the inner side wall of the rotating disk is rotatably connected with two baffles, the inner side wall of the baffle is fixedly installed with an arc sliding cover, the inner cavity bottom of the mounting cylinder is fixedly installed with a positioning column, and the positioning column is slidably connected to the arc sliding cover.

[0008] Preferably, the outer side wall of the rotating block is rotatably connected to two L-shaped torsion spring blocks, one side of each of the L-shaped torsion spring blocks is in contact with the pushing block, and the side of the L-shaped torsion spring block away from the pushing block is fixedly connected to a connecting rope, and the other end of the connecting rope is connected to the inner side wall of the mounting tube.

[0009] Preferably, a reversal disk is fixedly installed on the outer wall of the rotating rod, and two beveled push blocks are slidably connected to the lower end of the reversal disk, and each of the beveled push blocks can be slidably connected to the arc slide groove, and a telescopic spring is fixedly installed on the upper end of the beveled push block, and the upper end of the telescopic spring is fixedly connected to the reversal disk.

[0010] Preferably, the upper port of the support frame and the lower port of the water storage cover are both installed with a sealing gasket 2, a sliding groove is opened on the outer wall of the upper notch of the water storage cover, and two arc sliders are slidably connected to the inner wall of the sliding groove, and a positioning plate is fixedly installed on the side of each arc slider away from the mounting tube, and a cylinder is fixedly installed between the two positioning plates.

[0011] Preferably, two sealing gaskets 1 are bonded to the side of the arc slider close to the positioning ring, an airbag is arranged between the two sealing gaskets 1, and the airbag is fixed on the inner wall of the arc slider, a one-way valve 2 is fixedly installed on the side of the airbag away from the positioning ring, and a ventilation groove is opened at the upper end of the arc slider, and the ventilation groove is connected to the one-way valve 2.

[0012] Preferably, a ventilation pipe is welded to the upper notch of the ventilation groove, an air pump is fixedly connected to one side of the ventilation pipe, a piston is slidably connected to the inner wall of the air pump, a piston rod is fixedly installed on the side of the piston away from the ventilation pipe, and the piston rod is movably connected to one end of the air pump, an arc plate is fixedly installed on the side of the piston rod close to the positioning ring, a return spring that contacts the arc plate is sleeved on the outer side wall of the piston rod, a pressure gauge is installed on the upper end of the arc slider, and one side of the pressure gauge is fixedly connected to the ventilation pipe.

[0013] Preferably, a plurality of support columns are fixedly installed on the lower end of the track ring, a connecting plate is welded between the support columns, a plurality of electric telescopic rods are fixedly installed on the upper end of the connecting plate, and the upper ends of the electric telescopic rods are connected to the workbench, a plurality of threaded barrels are installed on the upper end of the workbench, the upper end of each threaded barrel is threadedly connected with a screw, and each of the screws is plugged into the water storage cover.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The motor drives the rotating rod to rotate rapidly. As the rotating speed of the rotating rod increases, the counterweight block on one side of the counterweight ring will be thrown out, and the centrifugal motion radius of the counterweight block will expand, so that the counterweight block is subjected to greater centrifugal force, which causes the counterweight ring and the counterweight block to be unevenly stressed during the rotation process, forming an eccentric structure, driving the entire motor and the mounting tube to vibrate, which causes the concentrated spray nozzle to shake continuously, thereby increasing the spray range of the concentrated spray nozzle on the waterproof sample, so that the water flow can be concentrated together for spraying, and the spray position can be offset by vibration, thereby expanding the spray range;

[0016] 2. Adjust the clamping tightness of the waterproof sample by turning the screw. When the waterproof sample is clamped loosely, the water pump is used to pump water into the inside of the installation tube. At this time, the water inside the installation tube can be discharged through the scattering nozzle, simulating the scattered water flow of rain. Then the motor drives the push block to rotate, and the push block drives the rotating disk to rotate, so that the scattering nozzle is blocked during the rotation of the rotating disk. At the same time, when the rotating disk rotates, the baffle also slides, so that the concentrated nozzle is opened, which converts the scattered water flow into a concentrated jet, so as to test the waterproof effect of the waterproof sample under the water jet of different states;

[0017] 3. By tightening the screws, the water storage cover is in a sealed state at the clamping point of the waterproof sample. Then start the cylinder, so that the cylinder drives the arc slider to clamp the positioning ring, so that the upper and lower ports of the water storage cover are in a sealed state. Then the water pump injects water into the installation cylinder, and the installation cylinder discharges water into the cavity of the water storage cover. This will cause the internal pressure of the water storage cover to continue to increase. The eccentric shaking caused by the rapid rotation of the counterweight ring and the counterweight block driven by the motor causes the installation cylinder to still vibrate horizontally. While the installation cylinder vibrates, it pushes the arc plate, so that the air pump continuously inflates the airbag. As the airbag is inflated, it will conflict with the outer wall of the positioning ring. The fit between the two further improves the sealing effect of the water storage cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a partial schematic diagram of a quarter cross-section of the water storage cover of the present invention;

[0021] Figure 3 It is a schematic diagram of the partial structure of the installation tube of the present invention;

[0022] Figure 4 It is a schematic diagram of the local structure of the arc slider of the present invention;

[0023] Figure 5 It is a schematic diagram of the internal structure of the installation tube of the present invention;

[0024] Figure 6 is a three-dimensional cross-sectional view of the movable ring of the present invention;

[0025] Figure 7 It is a schematic diagram of the local structure of the present invention after removing a single baffle;

[0026] Figure 8 It is a partial structural schematic diagram of a cross-section of the connecting frame of the present invention;

[0027] Fig. 9 It is a schematic diagram of the positional relationship between the push block and the L-shaped torsion spring block of the present invention;

[0028] Fig.10 It is a schematic diagram of the partial structure of the reversal disk of the present invention;

[0029] Fig.11 It is a schematic diagram of a quarter cross-sectional structure of the reversal disk of the present invention;

[0030] Fig.12 It is a schematic diagram of the local structure after removing the reversing plate of the present invention;

[0031] Fig.13 For the present invention Figure 3 A local enlarged view of point A in FIG.

[0032] Fig.14 For the present invention Figure 3 A local enlarged view of point B in FIG.

[0033] Fig.15 It is a schematic structural diagram of the counterweight ring of the present invention.

[0034] Description of reference numerals:

[0035] 1. Workbench; 2. Support frame; 3. Bending rod; 4. Water storage cover; 5. Waterproof sample; 6. Track ring; 7. Water storage barrel; 8. Support plate; 81. Water pump; 9. Water pipe; 10. One-way valve 1; 11. Connecting frame; 12. Positioning ring; 121. Positioning spring; 13. Movable ring; 14. Mounting cylinder; 15. Diversion hose; 16. Focusing nozzle; 17. Scattering nozzle; 18. Rotating disk; 19. Flow slot; 20. Baffle; 21. Arc slide cover; 22. Positioning column; 23. Connecting column; 24. Water baffle; 25. Rotating block; 26. Pushing block; 27. Rotating rod; 28. Counterweight ring; 29. ​​Counterweight block; 30. Motor ;31. L-shaped torsion spring block;32. Connecting rope;33. Reversing plate;34. Bevel push block;35. Telescopic spring;36. Circular arc slide groove;37. Sliding groove;38. Circular arc slider;39. Sealing pad one;40. Air bag;41. Ventilation groove;42. One-way valve two;43. Empty groove;44. Elastic rope;45. Ventilation pipe;46. Air pump;47. Piston;48. Piston rod;49. Circular arc plate;50. Reset spring;51. Pressure gauge;52. Positioning plate;53. Positioning rod;54. Cylinder;55. Threaded barrel;56. Screw;57. Sealing pad two;58. Support column;59. Connecting plate;60. Electric telescopic rod. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings 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.

[0037] See also Figure 1-Figure 15The present invention provides a technical solution: a permeability testing device for waterproof materials, comprising a workbench 1, a support frame 2 is fixedly installed on the upper end of the workbench 1, a waterproof sample 5 is placed on the upper end of the support frame 2, a bending rod 3 is rotatably connected to one side of the support frame 2, a water storage cover 4 is fixedly installed on the upper end of the bending rod 3, and the lower end of the water storage cover 4 is in conflict with the waterproof sample 5, a track ring 6 is sleeved on the outer wall of the workbench 1, a water storage bucket 7 is slidably connected to the track ring 6, a support plate 8 is fixedly installed on the upper end of the water storage bucket 7, a water pump 81 is fixedly installed on the upper end of the support plate 8, and the water pump 81 is connected to the water storage bucket 7. The water pump 81 is connected to the water tank 7, the output end of the water pump 81 is fixedly connected to the water pipe 9, the middle part of the water pipe 9 is fixedly installed with a one-way valve 10, the lower end of the support plate 8 away from the water pump 81 is fixedly installed with a connecting frame 11, the lower end of the connecting frame 11 is fixedly installed with a positioning ring 12, the cavity of the positioning ring 12 is movably connected with a movable ring 13, and the inner side wall of the positioning ring 12 is installed with a plurality of positioning springs 121 that contact the movable ring 13, and the positioning springs 121 can reset the movable ring 13 when the movable ring 13 vibrates, and the inner side wall of the movable ring 13 is fixedly installed with a mounting tube 14, and the mounting tube 14 can be movably connected with the upper notch of the water storage cover 4, a plurality of scattering nozzles 17 are fixedly connected to the lower end of the movable ring 13, and a focusing nozzle 16 is fixedly connected to the center of the lower end of the movable ring 13. Two diversion hoses 15 are fixedly installed on both sides of the water delivery pipe 9, and the other end of each diversion hose 15 is connected to the installation cylinder 14, and the diversion hose 15 is slidably connected on the inner side wall of the connecting frame 11. At the same time, the diversion hose 15 has a certain ductility. When the installation cylinder 14 moves horizontally on the inner side wall of the positioning ring 12, the diversion hose 15 will be stretched or bent together with it, and the installation cylinder 14 A motor 30 is fixedly installed on the upper end, a rotating rod 27 is fixedly installed on the output end of the motor 30, and the rotating rod 27 extends into the cavity of the rotating disk 18, a counterweight ring 28 is fixedly installed on the outer wall of the rotating rod 27, a counterweight block 29 is slidably connected to one side of the counterweight ring 28, a hollow groove 43 is provided on the side of the counterweight block 29 close to the counterweight ring 28, a plurality of elastic ropes 44 are fixedly installed on the inner side wall of the hollow groove 43, and the other end of the elastic rope 44 is fixedly connected to the counterweight ring 28, wherein the water storage barrel 7 can slide along the track ring 6, so that the mounting tube 14 is positioned and rotated at the upper groove of the water storage cover 4.

[0038] Among them, a number of support columns 58 are fixedly installed on the lower end of the track ring 6, and a connecting plate 59 is welded between the support columns 58. A number of electric telescopic rods 60 are fixedly installed on the upper end of the connecting plate 59, and the upper ends of the electric telescopic rods 60 are connected to the workbench 1. A number of threaded cylinders 55 are installed on the upper end of the workbench 1, and the upper end of each threaded cylinder 55 is threadedly connected with a screw 56, and each screw 56 is plugged into the water storage cover 4.

[0039] Specifically, the workbench 1 will not contact the track ring 6 and the parts above the track ring 6 during the up and down movement. When it is necessary to place the waterproof sample 5 on the support frame 2, the electric telescopic rod 60 can be extended to make the support frame 2 descend. When the support frame 2 descends, the installation cylinder 14 will be separated from the cavity of the water storage cover 4. At the same time, the water storage cover 4 is driven to rotate by rotating the bending rod 3 until it is not in contact with the support frame 2. Then, the waterproof sample 5 can be placed on the upper end of the support frame 2. At the same time, a plurality of extension rods corresponding to the position of the threaded cylinder 55 are installed on the outer wall of the water storage cover 4. The extension rod can be connected and fixed with the screw 56. When the screw 56 is threadedly connected with the threaded tube 55 and tightened, the waterproof sample 5 will be clamped between the support frame 2 and the water storage cover 4. At the same time, the sealing gasket 57 contacts the waterproof sample 5 so that the clamped part of the waterproof sample 5 during the clamping process is also in a sealed state. When the upper port of the water storage cover 4 is also sealed, the interior of the water storage cover 4 can be pressurized by continuously injecting water into the interior of the water storage cover 4. At the same time, when the screw 56 is turned and the connection with the threaded tube 55 is loosened, water will be discharged from the interior of the water storage cover 4.

[0040] Among them, the lower end of the rotating rod 27 is rotatably connected with the water baffle 24, and the water baffle 24 is rotatably connected on the inner side wall of the mounting tube 14, the upper end of the water baffle 24 is fixedly installed with a rotating block 25, the inner cavity bottom of the rotating block 25 is rotatably connected with a push block 26, and the push block 26 is fixedly connected to the rotating rod 27, and the upper end of the rotating block 25 is provided with two arc grooves 36, one side of the arc groove 36 is a beveled side, and the other side is a right-angled side, the lower end of the water baffle 24 is fixedly installed with a connecting column 23, and the lower end of the connecting column 23 is welded with a rotating disk 18, and the rotating disk 1 8 is provided with a plurality of flow grooves 19, which are connected with the focusing nozzle 16 and have corresponding positions. Two baffles 20 are rotatably connected to the inner wall of the rotating disk 18, and a circular arc sliding cover 21 is fixedly installed on the inner wall of the baffle 20. A positioning column 22 is fixedly installed at the inner cavity of the mounting cylinder 14. The upper end of the circular arc sliding cover 21 is sealed, and the lower end is a circular arc notch, and the positioning column 22 is slidably connected to the circular arc sliding cover 21. A torsion spring shaft is provided at the connection between the baffle 20 and the rotating disk 18, and has elastic restoring force, so that the two baffles 20 rotate and fit together.

[0041] Among them, the outer wall of the rotating block 25 is rotatably connected with two L-shaped torsion spring blocks 31, one side of each L-shaped torsion spring block 31 is in conflict with the pushing block 26, and the side of the L-shaped torsion spring block 31 away from the pushing block 26 is fixedly connected with a connecting rope 32, and the other end of the connecting rope 32 is connected to the inner wall of the mounting tube 14.

[0042] Among them, a reversal disk 33 is fixedly installed on the outer wall of the rotating rod 27, and two beveled push blocks 34 are slidably connected to the lower end of the reversal disk 33. One side of the beveled push block 34 is a straight side and the other side is a beveled side. The beveled side part can contact the beveled side on the arc slide groove 36 and push the beveled push block 34 to move upward, and each beveled push block 34 can be slidably connected to the arc slide groove 36, and a telescopic spring 35 is fixedly installed on the upper end of the beveled push block 34, and the upper end of the telescopic spring 35 is fixedly connected to the reversal disk 33.

[0043] Specifically, the connection between the guide hose 15 and the mounting tube 14 is located at the lower end of the water baffle 24. The water baffle 24 can prevent water from spreading upward, so that the counterweight ring 28 will not be affected by the outside world when it rotates. When the motor 30 drives the rotating rod 27 to rotate slowly, it will drive the push block 26 to rotate together. The push block 26 conflicts with the L-shaped torsion spring block 31, thereby driving the rotating block 25 to rotate as a whole. The rotation of the rotating block 25 drives the rotating disk 18 to rotate at the same time. The rotation of the rotating disk 18 will cause the flow slot 19 connected to the scattering nozzle 17 to be blocked. When the rotating disk 18 rotates, the baffle 20 will also pass through the arc slide cover 21 slides on the positioning column 22, so that the blocking piece 20 slides to both sides, and the upper notch of the concentrated spray nozzle 16 will no longer be blocked. When the rotating block 25 rotates, the connecting rope 32 will be continuously stretched until it is straightened. At this time, when the rotating block 25 continues to rotate, the connecting rope 32 will pull the L-shaped torsion spring block 31, so that the L-shaped torsion spring block 31 rotates in a direction away from the pushing block 26, until the L-shaped torsion spring block 31 no longer conflicts with the pushing block 26. At this time, the pushing block 26 will no longer drive the rotating block 25 to rotate, and at the same time, the elastic restoring force generated by the torsion spring at the rotating connection of the L-shaped torsion spring block 31 cannot drive the rotating block 25 to rotate;

[0044] When it is necessary to reset the rotating disk 18, the motor 30 drives the rotating rod 27 to rotate in the opposite direction, which causes the reverse rotation of the reversal disk 33 to drive the straight edge of the bevel push block 34 to fit with the inner wall of the arc slide groove 36, thereby pushing the rotating block 25 to rotate in the opposite direction through the rotation of the reversal disk 33. After the rotating block 25 rotates in the opposite direction, the connecting rope 32 will no longer be tightened, so that the L-shaped torsion spring block 31 is reset by the elastic restoring force of the torsion spring and contacts the push block 26 again. At the same time, during the reverse rotation of the rotating disk 18, the baffle 20 can be reset through the torsion spring shaft to seal the upper notch of the focusing nozzle 16.

[0045] Among them, the upper port of the support frame 2 and the lower port of the water storage cover 4 are both installed with a sealing gasket 2 57, a sliding groove 37 is opened on the outer wall of the notch on the water storage cover 4, and two arc sliders 38 are slidably connected to the inner wall of the sliding groove 37. A positioning plate 52 is fixedly installed on the side of each arc slider 38 away from the installation tube 14, and a cylinder 54 is fixedly installed between the two positioning plates 52. The cylinder 54 can drive the two arc sliders 38 to move synchronously in the direction of the positioning ring 12, so that the arc slider 38 clamps the positioning ring 12, and the clamped connection is sealed through the sealing gasket 1 39, wherein, as Figure 4 As shown, the positioning plate 52 and the arc slider 38 are slidably connected to two positioning rods 53, and the lower ends of the positioning rods 53 are fixedly connected to the water storage cover 4.

[0046] Among them, two sealing gaskets 39 are bonded to the side of the arc slider 38 close to the positioning ring 12, an airbag 40 is arranged between the two sealing gaskets 39, and the airbag 40 is fixed on the inner wall of the arc slider 38, and a one-way valve 42 is fixedly installed on the side of the airbag 40 away from the positioning ring 12, and a ventilation groove 41 is opened at the upper end of the arc slider 38, and the ventilation groove 41 is connected to the one-way valve 42.

[0047] Among them, a ventilation pipe 45 is welded to the upper groove of the ventilation groove 41, and an air pump 46 is fixedly connected to one side of the ventilation pipe 45. A piston 47 is slidably connected to the inner wall of the air pump 46. A piston rod 48 is fixedly installed on the side of the piston 47 away from the ventilation pipe 45, and the piston rod 48 is movably connected to one end of the air pump 46. An arc plate 49 is fixedly installed on the side of the piston rod 48 close to the positioning ring 12, and a return spring 50 that contacts the arc plate 49 is sleeved on the outer wall of the piston rod 48. A pressure gauge 51 is installed on the upper end of the arc slider 38, and one side of the pressure gauge 51 is fixedly connected to the ventilation pipe 45, and the pressure gauge 51 is electrically connected to the motor 30.

[0048] Specifically, the inner wall of the arc slider 38 can fit with the outer wall of the positioning ring 12, and after fitting, it is sealed by the sealing gasket 39, so that the upper notch of the water storage cover 4 is completely closed, and the piston 47 is telescopically slid in the air pump 46, so that the gas in the air pump 46 passes through the ventilation pipe 45 and the ventilation groove 41, and then inputs the gas into the air bag 40 through the one-way valve 42, so that the air bag 40 continues to expand, and the pressure gauge 51 can detect the air pressure inside the ventilation pipe 45. When it is detected that the air pressure exceeds the threshold, the pressure gauge 51 will give a signal to the motor 30 to stop the motor 30 from rotating. At the same time, Fig.14As shown, there is a circular notch on the inner wall of the air pump 46, which is located on the side close to the arc plate 49, and the radius of the circular notch is larger than the radius of the outer wall of the piston 47. When the arc plate 49 contacts the positioning ring 12, the piston 47 cannot slide into the notch. If the arc plate 49 does not contact the positioning ring 12, the piston 47 is pushed by the internal air pressure of the air pump 46, causing the piston 47 to move into the notch. At this time, the piston 47 cannot seal the air pump 46, thereby causing the gas inside the air pump 46 and the airbag 40 to be discharged.

[0049] The specific working principle and use method of the present invention are explained in detail below: the staff first places the waterproof sample 5 on the support frame 2, and then adjusts the clamping tightness of the waterproof sample 5 and the support frame 2 on the waterproof sample 5 by screwing the screw 56. When the clamping of the waterproof sample 5 is loose, the water in the water storage barrel 7 is pumped out by the water pump 81 and then input into the water delivery pipe 9. The one-way valve 10 installed in the cavity of the water delivery pipe 9 prevents water from flowing back. After that, the water transported by the water delivery pipe 9 is discharged to the installation cylinder 14 through the diversion hose 15. Inside, at this time, the water inside the mounting tube 14 can be discharged through the scattering nozzle 17, simulating the scattered water flow of rain, and then the motor 30 drives the push block 26 to rotate, and the push block 26 drives the rotating disk 18 to rotate, so that the scattering nozzle 17 is blocked during the rotation of the rotating disk 18, and at the same time, when the rotating disk 18 rotates, the baffle 20 also slides accordingly, so that the focusing nozzle 16 is opened, which converts the scattered water flow into a focused spray, so as to test the waterproof effect of the waterproof sample 5 subjected to water spray in different states;

[0050] Then, the rotation speed of the rotating rod 27 increases, and the counterweight block 29 on one side of the counterweight ring 28 will be thrown out, and the centrifugal movement radius of the counterweight block 29 will be expanded, so that the counterweight block 29 is subjected to a greater centrifugal force, which causes the counterweight ring 28 and the counterweight block 29 to be unevenly stressed during the rotation process, forming an eccentric structure, driving the entire motor 30 and the mounting tube 14 to vibrate, which causes the concentrated spray head 16 to shake continuously, thereby increasing the spray range of the concentrated spray head 16 to the waterproof sample 5;

[0051] Next, when it is necessary to conduct a positive pressure penetration test on the waterproof sample 5, the staff must first tighten the screw 56, squeeze the waterproof sample 5 through the sealing gasket 57, so that the clamping position of the water storage cover 4 on the waterproof sample 5 is in a sealed state, and then start the cylinder 54, so that the cylinder 54 drives the arc slider 38 to clamp the positioning ring 12, and at the same time, the clamping position is sealed through the sealing gasket 39 during the clamping process. At this time, the upper and lower ports of the water storage cover 4 are in a sealed state, and then as the water pump 81 continues to pump into the installation cylinder 14, the water storage cover 4 is in a sealed state. The water is injected into the water storage cover 4, and the installation tube 14 discharges the water into the cavity of the water storage cover 4 through the collecting nozzle 16, which will make the internal pressure of the water storage cover 4 continue to increase. At the same time, the eccentric shaking caused by the rapid rotation of the counterweight ring 28 and the counterweight block 29 makes the installation tube 14 still vibrate horizontally. While the installation tube 14 vibrates, it pushes the arc plate 49, so that the air pump 46 continuously inflates the airbag 40. As the airbag 40 is inflated, it will conflict with the outer wall of the positioning ring 12. The fit between the two further improves the sealing effect of the water storage cover 4.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A permeability testing device for waterproof materials, comprising a workbench (1), a support frame (2) being fixedly mounted on the upper end of the workbench (1), a waterproof sample (5) being placed on the upper end of the support frame (2), characterized in that: A bending rod (3) is rotatably connected to one side of the support frame (2), a water storage cover (4) is fixedly installed on the upper end of the bending rod (3), and the lower end of the water storage cover (4) is in contact with the waterproof sample (5), the outer wall of the workbench (1) is provided with a track ring (6), a water storage bucket (7) is slidably connected to the track ring (6), a support plate (8) is fixedly installed on the upper end of the water storage bucket (7), a water pump (81) is fixedly installed on the upper end of the support plate (8), and the water pump (81) is communicated with the water storage bucket (7), the output end of the water pump (81) is fixedly connected to a water delivery pipe (9), a one-way valve (10) is fixedly installed in the middle part of the water delivery pipe (9), a connecting frame (11) is fixedly installed on the lower end of the support plate (8) away from the water pump (81), and the lower end of the connecting frame (11) is fixedly installed. A positioning ring (12) is fixedly installed at the end, a movable ring (13) is movably connected in the cavity of the positioning ring (12), a plurality of positioning springs (121) that abut against the movable ring (13) are installed on the inner side wall of the positioning ring (12), a mounting tube (14) is fixedly installed on the inner side wall of the movable ring (13), and the mounting tube (14) can be movably connected to the upper notch of the water storage cover (4), a plurality of scattering nozzles (17) are fixedly connected to the lower end of the movable ring (13), a focusing nozzle (16) is fixedly connected to the center of the lower end of the movable ring (13), two diversion hoses (15) are fixedly installed on both sides of the water delivery pipe (9), the other end of each of the diversion hoses (15) is connected to the mounting tube (14), and the diversion hoses (15) are slidably connected on the inner side wall of the connecting frame (11); A motor (30) is fixedly mounted on the upper end of the mounting tube (14); a rotating rod (27) is fixedly mounted on the output end of the motor (30), and the rotating rod (27) extends into the cavity of the rotating disk (18); a counterweight ring (28) is fixedly mounted on the outer wall of the rotating rod (27); a counterweight block (29) is slidably connected to one side of the counterweight ring (28); a hollow groove (43) is provided on a side of the counterweight block (29) close to the counterweight ring (28); a plurality of elastic ropes (44) are fixedly mounted on the inner wall of the hollow groove (43), and the other end of the elastic rope (44) is fixedly connected to the counterweight ring (28).

2. A waterproof material permeability testing device according to claim 1, characterized in that: The lower end of the rotating rod (27) is rotatably connected to a water baffle plate (24), and the water baffle plate (24) is rotatably connected to the inner side wall of the mounting tube (14). The upper end of the water baffle plate (24) is fixedly mounted with a rotating block (25). The inner cavity bottom of the rotating block (25) is rotatably connected to a push block (26), and the push block (26) is fixedly connected to the rotating rod (27). The upper end of the rotating block (25) is provided with two arc sliding grooves (36). The lower end of the water baffle plate (24) is provided with a rotating block (26). A connecting column (23) is fixedly installed, a rotating disk (18) is welded to the lower end of the connecting column (23), a plurality of flow slots (19) are provided on the rotating disk (18), two baffles (20) are rotatably connected to the inner wall of the rotating disk (18), a circular arc sliding cover (21) is fixedly installed on the inner wall of the baffle (20), a positioning column (22) is fixedly installed at the lower inner cavity of the installation cylinder (14), and the positioning column (22) is slidably connected to the circular arc sliding cover (21).

3. A waterproof material permeability testing device according to claim 2, characterized in that: The outer side wall of the rotating block (25) is rotatably connected to two L-shaped torsion spring blocks (31), one side of each L-shaped torsion spring block (31) is in contact with the pushing block (26), and the side of the L-shaped torsion spring block (31) away from the pushing block (26) is fixedly connected to a connecting rope (32), and the other end of the connecting rope (32) is connected to the inner side wall of the mounting tube (14).

4. A waterproof material permeability testing device according to claim 2, characterized in that: A reversing plate (33) is fixedly mounted on the outer side wall of the rotating rod (27); two bevel push blocks (34) are slidably connected to the lower end of the reversing plate (33); each bevel push block (34) is slidably connected to the circular arc slide groove (36); a telescopic spring (35) is fixedly mounted on the upper end of the bevel push block (34); and the upper end of the telescopic spring (35) is fixedly connected to the reversing plate (33).

5. The permeability testing device for waterproof materials according to claim 1, characterized in that: The upper port of the support frame (2) and the lower port of the water storage cover (4) are both installed with a sealing gasket 2 (57), the outer wall of the upper notch of the water storage cover (4) is provided with a sliding groove (37), the inner wall of the sliding groove (37) is slidably connected with two arc sliders (38), a positioning plate (52) is fixedly installed on the side of each arc slider (38) away from the installation tube (14), and a cylinder (54) is fixedly installed between the two positioning plates (52).

6. A waterproof material permeability testing device according to claim 5, characterized in that: Two sealing gaskets (39) are bonded to the side of the arc slider (38) close to the positioning ring (12), an airbag (40) is arranged between the two sealing gaskets (39), and the airbag (40) is fixed on the inner wall of the arc slider (38), and a one-way valve (42) is fixedly installed on the side of the airbag (40) away from the positioning ring (12), and a ventilation groove (41) is opened at the upper end of the arc slider (38), and the ventilation groove (41) is connected to the one-way valve (42).

7. A waterproof material permeability testing device according to claim 6, characterized in that: A ventilation pipe (45) is welded to the upper notch of the ventilation groove (41), and an air pump (46) is fixedly connected to one side of the ventilation pipe (45), and a piston (47) is slidably connected to the inner wall of the air pump (46). A piston rod (48) is fixedly installed on the side of the piston (47) away from the ventilation pipe (45), and the piston rod (48) is movably connected to one end of the air pump (46). An arc plate (49) is fixedly installed on the side of the piston rod (48) close to the positioning ring (12), and a return spring (50) that contacts the arc plate (49) is sleeved on the outer wall of the piston rod (48). A pressure gauge (51) is installed on the upper end of the arc slider (38), and one side of the pressure gauge (51) is fixedly connected to the ventilation pipe (45).

8. A waterproof material permeability testing device according to claim 1, characterized in that: A plurality of support columns (58) are fixedly mounted on the lower end of the track ring (6), a connecting plate (59) is welded between the support columns (58), a plurality of electric telescopic rods (60) are fixedly mounted on the upper end of the connecting plate (59), and the upper ends of the electric telescopic rods (60) are connected to the workbench (1), and a plurality of threaded cylinders (55) are mounted on the upper end of the workbench (1), and a screw (56) is threadedly connected to the upper end of each threaded cylinder (55), and each screw (56) is plugged into the water storage cover (4).

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