Geomembrane anti-permeability instrument

Abstract

The utility model provides a geomembrane anti-permeability instrument. The geomembrane anti-permeability instrument comprises a box body, wherein an anti-permeability test mechanism, a water supply mechanism and a buffer mechanism are arranged on the box body; the impermeability test mechanism comprises an L-shaped plate, a geomembrane lower clamping seat, a geomembrane upper clamping seat, two fixing blocks, two hydraulic cylinders, a measuring cup and a circular net plate, the L-shaped plate is fixedly mounted at the top of the box body, the geomembrane lower clamping seat is fixedly mounted at the top of the box body, the geomembrane upper clamping seat is arranged above the geomembrane lower clamping seat, and the circular net plate is arranged above the geomembrane upper clamping seat. The geomembrane lower clamping base is matched with the geomembrane upper clamping base, the two fixing blocks are symmetrically installed on the geomembrane upper clamping base, and the two hydraulic cylinders are fixedly installed on the L-shaped plate. The geomembrane anti-permeability instrument provided by the utility model has the advantages that the geomembrane can be flatly placed and clamped, and water flow can be buffered, so that the water flow is prevented from directly impacting the geomembrane to influence the test precision.

Description

Technical Field

[0001] The utility model belongs to the technical field of geomembrane anti-seepage test, in particular to a geomembrane anti-seepage instrument. Background Art

[0002] Its main mechanism at the geomembrane construction site is to use the impermeability of the plastic film to block the leakage channel of the earth dam, and to withstand water pressure and adapt to the deformation of the dam with its large tensile strength and elongation. Non-woven fabric is also a kind of polymer short fiber chemical material. Geomembrane is a waterproof barrier material with polymer as the basic raw material. It is mainly used for anti-seepage, isolation, reinforcement, anti-cracking, reinforcement, horizontal surface drainage, and mud treatment in the field of engineering construction. It is particularly suitable for projects with high head, high water pressure and lateral pressure, and high anti-seepage requirements.

[0003] In the related art, a permeability test device for smooth geomembrane production is disclosed. Its technical solution includes a box body, a pressure plate and a geomembrane body. Box bodies are fixed on both sides of the upper end surface of the box body. Screws are rotatably installed at the four corners of the upper end surface of the box body, and a docking rod is fixed at the top of the screw rod. The two ends of the geomembrane body are respectively laid on the upper end openings of the two box bodies. The pressure plate fits the upper surface of the geomembrane body. Sleeves are embedded and installed at the four corners of the pressure plate, and the sleeves are sleeved on the corresponding docking rods. Pump bodies are provided on both sides of the interior of the box body, and the two pump bodies are connected to the corresponding interior of the box body through liquid supply pipes. A return pipe is installed through the bottom end of the interior of the box body, and the return pipe is connected to the interior of the box body. It has the advantages of being able to perform permeability tests of different pressures and add different water quality effect detections, and is highly practical.

[0004] However, the above structure still has some shortcomings. When the device is used to conduct a water resistance test on the geomembrane, it cannot buffer the water flow from the infusion pipe, which may cause the impact force of the water flow to directly impact the geomembrane and affect the test results.

[0005] Therefore, it is necessary to provide a new geomembrane impermeability tester to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a geomembrane anti-seepage instrument which can flatten and clamp the geomembrane and buffer the water flow to avoid the water flow directly impacting the geomembrane and affecting the test accuracy.

[0007] In order to solve the above technical problems, the utility model provides a geomembrane anti-seepage instrument comprising: a box body, on which an anti-seepage test mechanism, a water supply mechanism and a buffer mechanism are arranged;

[0008] The anti-seepage test mechanism comprises an L-shaped plate, a lower geomembrane clamping seat, an upper geomembrane clamping seat, two fixed blocks, two hydraulic cylinders, a measuring cup and a circular mesh plate, wherein the L-shaped plate is fixedly mounted on the top of the box, the lower geomembrane clamping seat is fixedly mounted on the top of the box, the upper geomembrane clamping seat is arranged above the lower geomembrane clamping seat, the lower geomembrane clamping seat and the upper geomembrane clamping seat are adapted, the two fixed blocks are symmetrically mounted on the upper geomembrane clamping seat, the two hydraulic cylinders are fixedly mounted on the L-shaped plate, the output shafts of the two hydraulic cylinders are respectively fixedly connected to the two fixed blocks, the measuring cup is fixedly mounted on the top of the upper geomembrane clamping seat, and the circular mesh plate is arranged between the lower geomembrane clamping seat and the upper geomembrane clamping seat;

[0009] The water supply mechanism includes a water tank, a booster water pump, a water pipe and a pressure gauge. The water tank is fixedly installed in the box body, the booster water pump is fixedly installed in the box body, the water inlet end of the booster water pump is fixedly connected to the water tank, the water pipe is fixedly installed at the water outlet end of the booster water pump, the top end of the water pipe is fixedly connected to the clamp seat under the geomembrane, and the pressure gauge is fixedly installed on the water pipe.

[0010] As a further solution of the utility model, the buffer mechanism includes multiple fixed rods, a mounting plate, multiple telescopic springs and a buffer plate. The multiple fixed rods are fixedly mounted on the bottom inner wall of the geomembrane lower clamp, the mounting plate is fixedly mounted on the top ends of the multiple fixed rods, the multiple telescopic springs are fixedly mounted on the bottom of the mounting plate, and the buffer plate is fixedly mounted on the bottom ends of the multiple telescopic springs.

[0011] As a further solution of the utility model, an annular groove is provided on the top of the geomembrane lower clamping seat, and an annular buffer pad is fixedly installed in the annular groove.

[0012] As a further solution of the present invention, a control box is fixedly installed on the top of the box body, and a control panel is fixedly installed on one side of the control box.

[0013] As a further solution of the utility model, two limit sliding rods are fixedly installed on the top of the geomembrane lower clamp seat, the top ends of the two limit sliding rods are fixedly connected to the L-shaped plate, and the two limit sliding rods pass through the geomembrane upper clamp seat and are slidably connected to the geomembrane upper clamp seat.

[0014] As a further solution of the utility model, the diameter of the circular mesh plate is slightly smaller than the inner diameter of the annular buffer pad.

[0015] Compared with the related art, the geomembrane anti-seepage instrument provided by the utility model has the following beneficial effects:

[0016] 1. The utility model provides an anti-seepage test mechanism, so that the geomembrane can be clamped and fixed, and the anti-seepage test of the geomembrane can be carried out;

[0017] 2. The utility model provides a water supply mechanism to supply water to the anti-seepage test mechanism, so that the anti-seepage test mechanism can perform an anti-seepage test;

[0018] 3. The utility model provides a buffer mechanism to buffer the water flow, thereby preventing the water flow from directly impacting the geomembrane and affecting the accuracy of the anti-seepage test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of the geomembrane anti-seepage instrument provided by the utility model;

[0021] Figure 2 A schematic diagram of the first partial structure of the geomembrane anti-seepage instrument provided by the utility model;

[0022] Figure 3 The utility model provides a partial cross-sectional structural schematic diagram of the geomembrane anti-seepage instrument.

[0023] In the figure: 1. Box body; 2. L-shaped plate; 3. Lower clamp seat of geomembrane; 4. Upper clamp seat of geomembrane; 5. Fixed block; 6. Hydraulic cylinder; 7. Measuring cup; 8. Round mesh plate; 9. Water tank; 10. Booster pump; 11. Water pipe; 12. Pressure gauge; 13. Fixed rod; 14. Mounting plate; 15. Telescopic spring; 16. Buffer plate; 17. Annular groove; 18. Annular buffer pad; 19. Control box. DETAILED DESCRIPTION

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the three-dimensional structure of the geomembrane anti-seepage instrument provided by the utility model; Figure 2 A schematic diagram of the first partial structure of the geomembrane anti-seepage instrument provided by the utility model; Figure 3 The schematic diagram of the partial cross-section structure of the geomembrane anti-seepage instrument provided by the utility model. The geomembrane anti-seepage instrument comprises: a box 1, on which an anti-seepage test mechanism, a water supply mechanism and a buffer mechanism are arranged;

[0025] The anti-seepage test mechanism includes an L-shaped plate 2, a geomembrane lower clamp seat 3, a geomembrane upper clamp seat 4, two fixed blocks 5, two hydraulic cylinders 6, a measuring cup 7 and a circular mesh plate 8, wherein the L-shaped plate 2 is fixedly mounted on the top of the box body 1, the geomembrane lower clamp seat 3 is fixedly mounted on the top of the box body 1, the geomembrane upper clamp seat 4 is arranged above the geomembrane lower clamp seat 3, the geomembrane lower clamp seat 3 and the geomembrane upper clamp seat 4 are adapted, the two fixed blocks 5 are symmetrically mounted on the geomembrane upper clamp seat 4, the two hydraulic cylinders 6 are both fixedly mounted on the L-shaped plate 2, the output shafts of the two hydraulic cylinders 6 are respectively fixedly connected to the two fixed blocks 5, the measuring cup 7 is fixedly mounted on the top of the geomembrane upper clamp seat 4, and the circular mesh plate 8 is arranged between the geomembrane lower clamp seat 3 and the geomembrane upper clamp seat 4;

[0026] The water supply mechanism includes a water tank 9, a booster water pump 10, a water pipe 11 and a pressure gauge 12. The water tank 9 is fixedly installed in the box body 1, the booster water pump 10 is fixedly installed in the box body 1, the water inlet end of the booster water pump 10 is fixedly connected to the water tank 9, the water pipe 11 is fixedly installed at the water outlet end of the booster water pump 10, the top end of the water pipe 11 is fixedly connected to the lower clamp seat 3 of the geomembrane, and the pressure gauge 12 is fixedly installed on the water pipe 11.

[0027] like Figure 3 As shown, the buffer mechanism includes a plurality of fixed rods 13, a mounting plate 14, a plurality of telescopic springs 15 and a buffer plate 16, wherein the plurality of fixed rods 13 are fixedly mounted on the bottom inner wall of the lower clamping seat 3 of the geomembrane, the mounting plate 14 is fixedly mounted on the top ends of the plurality of fixed rods 13, the plurality of telescopic springs 15 are fixedly mounted on the bottom of the mounting plate 14, and the buffer plate 16 is fixedly mounted on the bottom ends of the plurality of telescopic springs 15;

[0028] By setting up a buffer mechanism, the water flow can be buffered to prevent the water flow from directly impacting the geomembrane and affecting the accuracy of the anti-seepage test.

[0029] like Figure 3 As shown, an annular groove 17 is provided on the top of the geomembrane lower clamp seat 3, and an annular buffer pad 18 is fixedly installed in the annular groove 17;

[0030] By providing the annular groove 17 and the annular buffer pad 18 , the sealing performance of the lower geomembrane clamping seat 3 and the upper geomembrane clamping seat 4 can be improved after the lower geomembrane clamping seat 3 and the upper geomembrane clamping seat 4 are closed.

[0031] like Figure 1 As shown, a control box 19 is fixedly installed on the top of the box body 1, and a control panel is fixedly installed on one side of the control box 19;

[0032] By providing the control box 19, it is convenient for the operator to control the test pressure and the like.

[0033] like Figure 1 and Figure 2 As shown, two limit sliding rods are fixedly installed on the top of the geomembrane lower clamp seat 3, and the top ends of the two limit sliding rods are fixedly connected to the L-shaped plate 2, and the two limit sliding rods pass through the geomembrane upper clamp seat 4 and are slidably connected to the geomembrane upper clamp seat 4;

[0034] By providing a limit sliding rod, the upper geomembrane clamping seat 4 can be guided, thereby improving the closing accuracy of the lower geomembrane clamping seat 3 and the upper geomembrane clamping seat 4.

[0035] like Figure 2 As shown, the diameter of the circular mesh plate 8 is slightly smaller than the inner diameter of the annular buffer pad 18;

[0036] By making the diameter of the circular mesh plate 8 slightly smaller than the inner diameter of the annular buffer pad 18, it is convenient to put the circular mesh plate 8 into the annular buffer pad 18 to compress the geomembrane.

[0037] The working principle of the geomembrane anti-seepage instrument provided by the utility model is as follows:

[0038] The first step: when in use, start the booster pump 10, the booster pump 10 pumps out the water in the water tank 9, and inputs the water into the lower clamp seat 3 of the geomembrane through the water pipe 11, so that the water is flush with the groove on the lower clamp seat 3 of the geomembrane, then the geomembrane is laid flat on the annular cushion 18, the circular mesh plate 8 is placed on the top of the geomembrane, the hydraulic cylinder 6 is started, the hydraulic cylinder 6 drives the fixed block 5 to move downward, the fixed block 5 drives the upper clamp seat 4 of the geomembrane to move downward, so that the upper clamp seat 4 of the geomembrane is closed with the lower clamp seat 3 of the geomembrane, and the circular mesh plate 8 is pressed down to make the circular mesh plate 8 press the geomembrane tightly;

[0039] The second step: at this time, start the booster pump 10, continue to let water enter the geomembrane lower clamp 3, pressurize the water, and conduct geomembrane anti-permeability tests under different pressures. At the same time, when the water flows into the geomembrane lower clamp 3, the water flow impacts the buffer plate 16, and the water flow is buffered by the telescopic spring 15, thereby avoiding the water flow impacting the geomembrane and affecting the test results.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A geomembrane anti-permeability instrument, characterized in that: include: A box body, on which an anti-seepage test mechanism, a water supply mechanism and a buffer mechanism are provided; The anti-seepage test mechanism comprises an L-shaped plate, a lower geomembrane clamping seat, an upper geomembrane clamping seat, two fixed blocks, two hydraulic cylinders, a measuring cup and a circular mesh plate, wherein the L-shaped plate is fixedly mounted on the top of the box, the lower geomembrane clamping seat is fixedly mounted on the top of the box, the upper geomembrane clamping seat is arranged above the lower geomembrane clamping seat, the lower geomembrane clamping seat and the upper geomembrane clamping seat are adapted, the two fixed blocks are symmetrically mounted on the upper geomembrane clamping seat, the two hydraulic cylinders are fixedly mounted on the L-shaped plate, the output shafts of the two hydraulic cylinders are respectively fixedly connected to the two fixed blocks, the measuring cup is fixedly mounted on the top of the upper geomembrane clamping seat, and the circular mesh plate is arranged between the lower geomembrane clamping seat and the upper geomembrane clamping seat; The water supply mechanism includes a water tank, a booster water pump, a water pipe and a pressure gauge. The water tank is fixedly installed in the box body, the booster water pump is fixedly installed in the box body, the water inlet end of the booster water pump is fixedly connected to the water tank, the water pipe is fixedly installed at the water outlet end of the booster water pump, the top end of the water pipe is fixedly connected to the clamp seat under the geomembrane, and the pressure gauge is fixedly installed on the water pipe.

2. The geomembrane anti-permeability tester according to claim 1, characterized in that: The buffer mechanism includes multiple fixed rods, a mounting plate, multiple telescopic springs and a buffer plate. The multiple fixed rods are fixedly mounted on the bottom inner wall of the geomembrane lower clamp, the mounting plate is fixedly mounted on the top ends of the multiple fixed rods, the multiple telescopic springs are fixedly mounted on the bottom of the mounting plate, and the buffer plate is fixedly mounted on the bottom ends of the multiple telescopic springs.

3. The geomembrane anti-permeability tester according to claim 1, characterized in that: An annular groove is provided on the top of the geomembrane lower clamping seat, and an annular buffer pad is fixedly installed in the annular groove.

4. The geomembrane anti-permeability instrument according to claim 1, characterized in that: A control box is fixedly installed on the top of the box body, and a control panel is fixedly installed on one side of the control box.

5. The geomembrane anti-permeability instrument according to claim 1, characterized in that: Two limit sliding bars are fixedly installed on the top of the geomembrane lower clamp seat, and the top ends of the two limit sliding bars are fixedly connected to the L-shaped plate. The two limit sliding bars pass through the geomembrane upper clamp seat and are slidably connected to the geomembrane upper clamp seat.

6. The geomembrane anti-permeability tester according to claim 1, characterized in that: The diameter of the circular mesh plate is slightly smaller than the inner diameter of the annular buffer pad.

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