Geomembrane impermeability testing device

Abstract

The utility model provides a geomembrane impermeability testing device, and mainly relates to the technical field of detection devices. A geomembrane impermeability testing device comprises a bottom plate. The geomembrane clamping device has the advantages that the supports which are driven by the threaded rods and can move towards the outer side or the inner side at the same time are arranged on the two sides of the bottom plate, the lifting plates which can be controlled to ascend and descend through the slopes are arranged in the supports, and the geomembrane needing to be tested is clamped through cooperation of the supports and the lifting plates; the support moves towards the two ends to tension the geomembrane, meanwhile, the clamping force on the geomembrane is enhanced, loosening is avoided, and a water tank is further formed in the middle of the device and matched with a water seepage ring which is driven by a hydraulic device to ascend and descend to press and fix the geomembrane. High-pressure water flow is further introduced into the water tank to test the water seepage resistance of the geomembrane, and the water seepage of the geomembrane is judged by observing the water quantity in the water seepage ring or testing the surface wettability of the geomembrane.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to detection device technical field, concretely is a kind of geomembrane anti-permeation testing device. BACKGROUND

[0002] Geomembrane is waterproof and anti-permeation material made of synthetic resin as base material and antioxidant, ultraviolet absorber, color mother and other auxiliary materials.It has the characteristics of high strength, good elongation, large deformation modulus, acid and alkali resistance, corrosion resistance, aging resistance, good anti-permeation performance, and is not affected by weather.It is mainly used for anti-permeation, isolation, reinforcement, crack prevention, reinforcement, horizontal drainage, and is especially suitable for high water head, high water pressure and lateral pressure, high anti-permeation requirement projects.

[0003] The geomembrane anti-permeation tester is used to test the anti-permeation ability of geomembrane, and water pressure is applied to one side of the geomembrane sample to test its anti-permeation ability within 24 hours.The geomembrane sample is fixed on the test base by the compression plate.As the test base and the compression plate are connected by a plurality of screws, each screw needs to be tightened when locking, and each screw needs to be loosened when loosening, which undoubtedly increases the labor intensity of the detection personnel, and it is difficult to keep the geomembrane tight all the time during fixing, which may cause uneven surface of the geomembrane and affect the test effect. UTILITY MODEL CONTENT

[0004] To solve the problems of the prior art, the utility model provides a geomembrane anti-permeation testing device, which mainly has the following effects: a support driven by a threaded rod and movable outward or inward is arranged on both sides of the testing device, a lifting plate controlled by an inclined surface is arranged in the support, the geomembrane to be tested is clamped by the support and the lifting plate, the support moves to both ends to tighten the geomembrane and strengthen the clamping force to prevent loosening, a water tank and a water permeation ring driven by a hydraulic device to lift are arranged in the middle of the device to cooperate with each other to compress and fix the geomembrane, high-pressure water flow is introduced into the water tank to test the water permeability of the geomembrane, and the water permeability of the geomembrane is determined by observing the water quantity in the water permeation ring or testing the moisture content on the surface of the geomembrane.

[0005] The utility model realizes the above-mentioned purpose by the following technical solutions.

[0006] The utility model provides a geomembrane impermeable test device, including the bottom plate, the center fixed support block of bottom plate is equipped with, one side fixed high pressure water valve of support block is equipped with, the inside of support block is equipped with water flow hole with high pressure water valve and support block top intercommunication, water tank plate is fixedly installed around support block upper portion, hydraulic cylinder support plate is fixedly installed both sides of bottom plate, the upper portion of hydraulic cylinder support plate is fixedly installed with hydraulic cylinder, the telescopic end of hydraulic cylinder penetrates hydraulic cylinder support plate and is slidably connected with it, the telescopic end of hydraulic cylinder is fixedly installed with lift support sleeve, the inside of lift support sleeve is fixedly installed with water seepage ring.

[0007] Further, the track groove is formed on both sides of the upper portion of the bottom plate, a sliding block is slidably connected inside the track groove, a moving support frame is fixedly installed on the upper portion of the sliding block, a plurality of friction stripes one are densely arranged on the bottom side of the upper portion of the moving support frame, lift frame support sleeves are fixedly installed inside both sides of the moving support frame, a lift frame is slidably connected inside both lift frame support sleeves, a plurality of friction stripes two are densely arranged on the upper portion of the lift frame, a slope strip is fixedly installed inside the track groove, a limiting plate is fixedly installed on the outer end of the slope strip, the bottom of the lift frame can abut against and slide with the slope strip, a threaded ring support plate is fixedly installed on the outer side of the moving support frame, and a threaded ring is fixedly installed inside the threaded ring support plate.

[0008] Further, threaded rods one and two are rotatably connected inside and outside the threaded rod support plate, a connecting block is fixedly connected between the threaded rod one and the threaded rod two, the threaded rod one and the threaded rod two penetrate the support block, the threaded rod one and the threaded rod two penetrate the corresponding threaded ring on one side and are threadedly connected with the threaded ring, a servo motor is fixedly installed on the outer side of the threaded rod support plate, the output end of the servo motor penetrates the threaded rod support plate and is rotatably connected with the threaded rod support plate and is fixedly connected with the end portion of the threaded rod two.

[0009] Further, a water guide groove is formed around the support block on the upper portion of the bottom plate, a high-pressure water pipe is fixedly connected with the high-pressure water valve and is in communication with the high-pressure water valve on one side of the hydraulic cylinder support plate, a drain pipe is fixedly connected with the water tank plate on one side and is in communication with the water tank plate, the drain pipe penetrates one side of the hydraulic cylinder support plate and is fixedly connected with the hydraulic cylinder support plate, and a drain valve is fixedly installed on the end portion of the drain pipe.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. The utility model discloses a testing device, which is characterized by the following: a support driven by a threaded rod is arranged on both sides of the testing device and can move outward or inward simultaneously; a lifting plate that can be lifted by an inclined surface control is arranged inside the support; the support and the lifting plate are matched to clamp the geomembrane to be tested; the support moves to both ends to tighten the geomembrane and strengthen the clamping force to avoid loosening; thus, the problem of water leakage caused by edge loosening in the testing process is avoided; and the fixing and tightening operation can be completed by a single power mechanism, thereby reducing the working strength of the user.

[0012] 2. A water tank and a water seepage ring driven by a hydraulic device to lift are arranged in the middle of the device to cooperate to compress and fix the geomembrane; high-pressure water flow is introduced into the water tank to test the water seepage resistance of the geomembrane; the water seepage resistance of the geomembrane is determined by observing the water quantity in the water seepage ring or testing the surface moisture of the geomembrane; the water seepage ring cooperates with the water tank and is assisted by the fixing device to avoid water seepage from the device to affect the operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the utility model;

[0014] Figure 2 is a side structural schematic diagram of the utility model;

[0015] Figure 3 is a sectional structural schematic diagram of the utility model;

[0016] Figure 4 is a bottom plate structural schematic diagram of the utility model;

[0017] Figure 5 is a moving support frame structural schematic diagram of the utility model;

[0018] Figure 6 is a moving support frame structural schematic diagram of the utility model;

[0019] Figure 7 is a lifting support sleeve structural schematic diagram of the utility model;

[0020] Figure 8 is a threaded rod structural schematic diagram of the utility model.

[0021] The numbers in the drawings are as follows: 1, bottom plate; 2, support block; 3, high-pressure water valve; 4, water flow hole; 5, water tank plate; 6, hydraulic cylinder support plate; 7, hydraulic cylinder; 8, lifting support sleeve; 9, water seepage ring;

[0022] 10, track groove; 11, sliding block; 12, moving support frame; 13, friction stripe one; 14, lifting frame support sleeve; 15, lifting frame; 16, friction stripe two; 17, inclined plate strip; 18, limiting plate; 19, threaded ring support plate; 20, threaded ring.

[0023] 21, threaded rod support plate; 22, threaded rod one; 23, threaded rod two; 24, connecting block; 25, servo motor;

[0024] 26, water guide groove; 27, high pressure water pipe; 28, drain pipe; 29, drain valve. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings and specific embodiments. It should be understood that these embodiments are only used for explaining the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.

[0026] Embodiment: A geomembrane impermeability testing device

[0027] As shown in Figures 1-8 A geomembrane impermeability testing device, the specific structure includes:

[0028] A geomembrane impermeability testing device, including the bottom plate 1 for supporting device, the bottom plate 1 center is fixed with support block 2, one side of the support block 2 is fixed with high pressure water valve 3 for controlling high pressure water flow direction, the support block 2 is internally provided with water flow hole 4 and is communicated with the high pressure water valve 3 and the support block 2 top for water supply to the upper portion of the support block 2 for impermeability test, the support block 2 upper portion is fixed with water tank plate 5 for forming water tank, the bottom plate 1 both sides are fixed with hydraulic cylinder support plate 6, the hydraulic cylinder support plate 6 upper portion is fixed with hydraulic cylinder 7, the hydraulic cylinder 7 telescopic end penetrates the hydraulic cylinder support plate 6 and is slidably connected with it, the hydraulic cylinder 7 telescopic end is fixed with lifting support sleeve 8, the lifting support sleeve 8 is internally fixed with water seepage ring 9, the water seepage ring 9 can be elongated by the hydraulic cylinder 7 and is matched with the inner ring of the water tank plate 5, and the geomembrane to be tested is pressed and fixed between the water tank plate 5 and the water seepage ring 9, and the geomembrane is tested by the high pressure water flow into the water tank plate 5.

[0029] The upper part of the bottom plate 1 is provided with a track groove 10 on both sides, and a sliding block 11 is provided inside the track groove 10 and is connected with the track groove 10 through sliding. A moving support frame 12 is fixedly arranged on the upper part of the sliding block 11. The moving support frame 12 can move in the track groove 10 through the sliding block 11. A friction stripe 1 3 is densely arranged on the bottom side of the upper part of the moving support frame 12. A lifting frame support sleeve 14 is fixedly arranged inside the moving support frame 12 on both sides. A lifting frame 15 is arranged inside the lifting frame support sleeve 14 on both sides and is connected with the lifting frame support sleeve 14 through sliding. A friction stripe 2 6 is densely arranged on the upper part of the lifting frame 15. The lifting frame 15 is lifted and is matched with the bottom part of the moving support frame 12 to clamp and fix the geomembrane to be detected. The clamping effect is enhanced through the friction stripe 1 3 and the friction stripe 2 6. A slope strip 17 is fixedly arranged inside the track groove 10 and is arranged on the upper part of the bottom plate 1. A limiting plate 18 is fixedly arranged on the outer end of the slope strip 17. The slope strip 17 can abut against and slide with the bottom part of the lifting frame 15. The moving support frame 12 drives the lifting frame 15 to slide on the upper part of the slope strip 17 and gradually rises during the moving process to the outside, and then can be clamped and matched with the moving support frame 12. A threaded ring support plate 19 is fixedly arranged outside the moving support frame 12. A threaded ring 20 is fixedly arranged inside the threaded ring support plate 19.

[0030] Threaded rod support plates 21 are fixedly arranged at both ends of the bottom plate 1. Threaded rods 1 22 are rotatably arranged inside the threaded rod support plates 21 on one side. Threaded rods 2 23 are rotatably arranged inside the threaded rod support plates 21 on one side. A connecting block 24 is fixedly arranged between the threaded rods 1 22 and the threaded rods 2 23 and is connected with the threaded rods 1 22 and the threaded rods 2 23. The threaded rods 1 22 and the threaded rods 2 23 penetrate the support block 2. The threaded rods 1 22 and the threaded rods 2 23 penetrate the corresponding threaded rings 20 on one side and are threadedly matched with the threaded rings 20. Servo motors 25 are fixedly arranged outside the threaded rod support plates 21 on one side. Output ends of the servo motors 25 penetrate the threaded rod support plates 21 on the side and are rotatably connected with the threaded rod support plates 21 and are fixedly connected with the threaded rods 2 23 at the end. The threaded rods 1 22 and the threaded rods 2 23 are driven to rotate through the servo motors 25, and then the threaded rings 20 are driven to move, and then the moving support frames 12 on both sides are driven to move. The moving support frames 12 on both sides are simultaneously driven to move to the inside or the outside through the different threaded directions of the threaded rods 1 22 and the threaded rods 2 23.

[0031] The water guide groove 26 is arranged around the support block 2 on the upper part of the bottom plate 1 and is used for quickly discharging the overflow water flow in the test process; the high-pressure water pipe 27 is fixed on one side of the hydraulic cylinder support plate 6 and is fixedly connected with the high-pressure water valve 3 and communicates with the high-pressure water valve 3; the high-pressure water pipe 27 is used for feeding high-pressure water flow into the high-pressure water valve 3 and discharging the water flow through the high-pressure water valve 3; the drain pipe 28 is fixed on one side of the water tank plate 5 and communicates with the water tank plate 5; the drain pipe 28 penetrates through one side of the hydraulic cylinder support plate 6 and is fixedly connected with the hydraulic cylinder support plate 6; the drain valve 29 is fixed on the end of the drain pipe 28; the drain pipe 28 and the drain valve 29 are used for discharging the air and water flow in the water tank plate 5.

[0032] The scheme also comprises a controller, the position of the controller is set by the actual situation when the worker works, the controller is used for controlling the electrical devices used in the scheme, including but not limited to sensors, motors, telescopic rods, water pumps, electromagnetic valves, heating wires, heat pumps, display screens, computer input devices, switch buttons, communication devices, lamps, loudspeakers and microphones; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a single-chip microcomputer, and the controller is used in cooperation with a mainboard, a memory bar, a storage medium and a power supply, the power supply is commercial power or a lithium battery; when the display screen is provided, a display card is also provided; the operation principle of the controller can be referred to in Automatic Control Principle, Microcontroller Principle and Application Simulation Cases and Sensor Principle and Application published by Tsinghua University Press, and other books in the field can be referred to; other automation control and electrical devices not mentioned belong to the knowledge familiar to those skilled in the art, and will not be described here.

[0033] Working principle:

[0034] The device is used, first, the soil membrane to be tested is cut to a suitable shape and is passed between the mobile support frame 12 and the lifting frame 15 at one end, further passed through the water tank plate 5 and the water seepage ring 9, then passed between the mobile support frame 12 and the lifting frame 15 at the other side, further control the servo motor 25 to rotate to drive the two mobile support frames 12 to move to both sides at the same time, while driving the lifting frame 15 and the inclined plate strip 17 to slide and cooperate and rise, the soil membrane is clamped by the cooperation of the lifting frame 15 and the mobile support frame 12 and is pulled straight to both sides at the same time, after being pulled into place, the hydraulic cylinder 7 is controlled to extend to drive the lifting support sleeve 8 and the water seepage ring 9 to descend and press the test soil membrane, the soil membrane is pressed between the water seepage ring 9 and the water tank plate 5 to prevent water seepage during the test, further, the high-pressure water pipe 27 is used to introduce high-pressure water flow into the high-pressure water valve 3, further make the high-pressure water flow enter the inside of the water tank plate 5 through the water flow hole 4, further, the drain pipe 28 and the drain valve 29 are used to exhaust the internal air to make the water flow enter the water tank plate 5, then the drain valve 29 is closed and the water flow pressure introduced by the high-pressure water pipe 27 is further increased, the water pressure test of the soil membrane is carried out, and the water seepage of the soil membrane is determined by observing the water amount in the water seepage ring 9 or the surface moisture of the test soil membrane.

[0035] In the interpretation of the present application, it should be pointed out that the terms representing the direction are only for the convenience of description and understanding, and are not the only limitation on the installation position of the specific technical features.

[0036] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A geomembrane impermeability test device comprising a base plate (1), characterised in that: The bottom plate (1) is provided with a support block (2) in the center, one side of the support block (2) is provided with a high-pressure water valve (3), the inside of the support block (2) is provided with a water flow hole (4) which is communicated with the high-pressure water valve (3) and the top of the support block (2), the upper part of the support block (2) is provided with a water tank plate (5), both sides of the bottom plate (1) are provided with a hydraulic cylinder support plate (6), the upper part of the hydraulic cylinder support plate (6) is provided with a hydraulic cylinder (7), the telescopic end of the hydraulic cylinder (7) penetrates through the hydraulic cylinder support plate (6) and is connected with it in sliding mode, the telescopic end of the hydraulic cylinder (7) is provided with a lifting support sleeve (8), the inside of the lifting support sleeve (8) is provided with a water seepage ring (9).

2. The geomembrane impermeability testing device of claim 1, wherein: The upper part of the bottom plate (1) is provided with a track groove (10) on both sides, the inside of one side of the track groove (10) is provided with a sliding block (11) in front and back and is connected with it in sliding mode, the upper part of the sliding block (11) on one end is provided with a moving support frame (12), the bottom side of the upper part of the moving support frame (12) is densely provided with a friction stripe one (13), the inside of both sides of the moving support frame (12) is provided with a lifting frame support sleeve (14), the inside of both sides of the lifting frame support sleeve (14) is provided with a lifting frame (15) and is connected with them in sliding mode, the upper part of the lifting frame (15) is densely provided with a friction stripe two (16), the inside of the track groove (10) is fixedly provided with an inclined plate strip (17) which is fixed on the upper part of the bottom plate (1), the outer side end of the inclined plate strip (17) is fixedly provided with a limiting plate (18), the inclined plate strip (17) can abut against and be connected with the bottom of the lifting frame (15) in sliding mode, the outer side of the moving support frame (12) is fixedly provided with a thread ring support plate (19), the inside of the thread ring support plate (19) is fixedly provided with a thread ring (20).

3. A geomembrane impermeability testing device according to claim 2, wherein: The bottom plate (1) is provided with a threaded rod support plate (21) at both ends, the inside of one side of the threaded rod support plate (21) is provided with a threaded rod one (22) and is connected with it in rotating mode, the inside of one side of the threaded rod support plate (21) is provided with a threaded rod two (23) and is connected with it in rotating mode, the threaded rod one (22) and the threaded rod two (23) are provided with a connecting block (24) and are fixedly connected with them, the threaded rod one (22) and the threaded rod two (23) penetrate through the support block (2), the threaded rod one (22) and the threaded rod two (23) penetrate through the corresponding one side of the thread ring (20) respectively and are screwed with it, the outer side of one side of the threaded rod support plate (21) is fixedly provided with a servo motor (25), the output end of the servo motor (25) penetrates through this side of the threaded rod support plate (21) and is connected with it in rotating mode and is fixedly connected with the end of the threaded rod two (23).

4. A geomembrane impermeability testing device according to claim 3, wherein: The water guide groove (26) is arranged around the support block (2) on the upper part of the bottom plate (1), the high-pressure water pipe (27) is fixed on one side of the hydraulic cylinder support plate (6) and is fixedly connected and communicated with the high-pressure water valve (3), the water drain pipe (28) is fixed on one side of the water groove plate (5) and is communicated with the water groove plate (5), the water drain pipe (28) penetrates through and is fixedly connected to one side of the hydraulic cylinder support plate (6), and the water drain valve (29) is fixed on the end of the water drain pipe (28).

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