Fixing structure for geomembrane permeability coefficient tester

By designing a fixing structure for the geomembrane permeability coefficient tester, and utilizing an electric motor to drive the transmission shaft and gear system, the problems of unstable fixing of the geomembrane on the tester and manual cutting were solved, realizing the flat laying and automatic cutting of the membrane, and improving the accuracy of the test and the efficiency of operation.

CN223808319UActive Publication Date: 2026-01-16DALI RUNDA ENGINEERING QUALITY INSPECTION CO LTD
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Patent Information

Application Number
CN202520201894.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-16
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing geomembrane permeability coefficient measuring instruments are inconvenient to use when fixing geomembranes, resulting in positional displacement and wrinkles, which affects the accuracy of the measurement. In addition, manual cutting is required, which is time-consuming and labor-intensive.

Method used

A fixing structure was designed, which uses an electric motor to drive a transmission shaft and gear system to drive a support arm and a flap to fix and cut the geomembrane, ensuring that the membrane is laid flat and automatically cut, avoiding wrinkles.

Benefits of technology

It achieves stable fixation and automatic cutting of geomembranes, improves measurement accuracy, simplifies operation procedures, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of auxiliary fixing structures of testers, and discloses a fixing structure for a geomembrane permeability coefficient tester, which comprises a working table, a test disc is arranged at the top of the working table, a supporting plate is fixedly connected to the top of the working table, and a measuring tube assembly is arranged at the top of the supporting plate. A fixing seat is fixedly connected to the top of the workbench, a groove body is formed in the fixing seat, and a limiting sliding rail is fixedly connected to the groove body. According to the structure, a geomembrane can be conveniently fixed, and meanwhile, the two ends of the geomembrane can be pulled outwards, so that the geomembrane is in a tiled state at the top of the test disc; according to the geomembrane permeability coefficient measuring device, wrinkles on the surface of a geomembrane during measurement can be effectively avoided, the accuracy of geomembrane permeability coefficient measurement is improved, meanwhile, the two sides of the geomembrane can be cut while the geomembrane is fixed, the step of manual cutting is omitted, and the geomembrane can be conveniently measured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary fixing structure of determinator, specifically is the fixing structure for geomembrane permeability coefficient determinator. BACKGROUND

[0002] The permeability coefficient of non-woven composite geotextile produced by taking geomembrane, non-woven geotextile or other material as base material and polyethylene, polyvinyl chloride or the like as film material is an important index of its performance, and in order to ensure the use effect and safety, the permeability coefficient of the geomembrane needs to be determined, and a determinator is generally used for measurement.

[0003] The existing geomembrane permeability coefficient determinator for hydraulic industry can refer to the Chinese utility model patent with the authorized announcement number CN208313774U, which discloses a geomembrane permeability coefficient determinator for hydraulic industry, comprising an L-shaped workbench, three test discs for installing test samples are arranged on the water platform surface of the workbench, three measuring pipe assemblies are vertically arranged on the vertical surface of the workbench, a water tank is arranged on the top of the workbench, the water tank is connected to the gas source through a gas pipeline, a pressure regulating valve is arranged on the gas pipeline, the water tank is connected to the water inlets at the bottom of the three measuring pipe assemblies through a liquid pipeline, and the water outlets on one side of the three measuring pipe assemblies are connected to the corresponding test discs through a liquid pipeline.

[0004] The above-mentioned device is inconvenient to fix the geomembrane during the determination of the geomembrane, which leads to the position of the geomembrane being easy to deviate during the test, and the surface of the geomembrane is easy to wrinkle, thereby affecting the accuracy of the determination of the geomembrane, and the geomembrane needs to be cut to the appropriate size in advance before the determination, which leads to the determination of the geomembrane being time-consuming and laborious. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a fixing structure for a geomembrane permeability coefficient determinator to solve the problems raised in the background art.

[0006] The utility model provides following technical scheme: The utility model provides a fixed structure for geomembrane permeability coefficient tester, including work table, the top of work table is equipped with test tray, and the top of work table is fixedly connected with support plate, the top of support plate is equipped with measuring tube subassembly, the top of work table is fixedly connected with fixed base, is equipped with the groove on fixed base, the groove is fixedly connected with limit slide rail, two slide blocks are installed on the limit slide rail, two slide blocks are all installed in the inside of groove, two support arms are all fixedly connected on two slide blocks, two sliding grooves are all equipped on two support arms, two translation slide rails are all equipped on two sliding grooves, electric slide rail is installed on the translation slide rail, the top of two electric slide rails is all fixedly installed with bottom plate, the rear side of two bottom plates is all equipped with mounting bracket, two mounting brackets are all slidably installed with pivot, two pivots are all fixedly installed with flap.

[0007] As a preferred technical scheme of the utility model, the top of the fixed base is fixedly connected with a fixed plate, and the bottom of the fixed plate is fixedly connected with a motor. The output shaft of the motor is fixedly connected with a transmission shaft, and a gear is fixedly sleeved on the transmission shaft.

[0008] As a preferred technical scheme of the utility model, the left and right sides of the gear are both provided with a rack, and the two racks are both engaged with the gear. The two racks are respectively fixedly connected with the two slide blocks.

[0009] As a preferred technical scheme of the utility model, the top of each of the two bottom plates is provided with a cutting groove, and the top of each of the two bottom plates is provided with a first fixed gasket.

[0010] As a preferred technical scheme of the utility model, the top of each of the two flaps is provided with a cutting knife, and the top of each of the two flaps is provided with a second fixed gasket. The two cutting knives are respectively matched with the two cutting grooves, and the two first fixed gaskets are respectively matched with the two second fixed gaskets.

[0011] As a preferred technical scheme of the utility model, a same telescopic rod is arranged between the two pivots, and the telescopic rod is fixedly connected between the two pivots. One side of each of the two pivots is fixedly connected with a rotating handle.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The fixing structure for geomembrane permeability coefficient tester, through the motor drives the transmission shaft to rotate, the transmission shaft drives the gear to rotate, the rotation of the gear drives the left and right side racks to drive, so that the two racks move towards each other, so as to drive the two support arms to move to the two sides respectively, so as to drive the two bottom plates to move to the two sides respectively, the structure can fix the geomembrane, and can pull the two ends of the geomembrane outward, so that the geomembrane is in a flat state on the top of the test disc, the surface of the geomembrane during measurement can be effectively avoided to be wrinkled, and the accuracy of the geomembrane permeability coefficient measurement is improved.

[0014] 2. The fixing structure for geomembrane permeability coefficient tester, through the rotation of the rotary handle, the rotary handle drives the rotating shaft to rotate, since the two rotating shafts are connected through the telescopic rod, when the rotary handle rotates, the rotating shaft rotates, at this time, the left and right side flaps rotate downward, so that the bottom first fixing gasket and the upper second fixing gasket are attached, so that the two sides of the geomembrane are pressed and fixed, and the cutting knife is driven to move downward and cut while the flap rotates, the structure can cut the two sides of the geomembrane while fixing the geomembrane, so that the manual cutting step is omitted, and the geomembrane is convenient to measure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a fixing seat partial structure schematic view of the utility model;

[0017] Figure 3 It is a fixing seat rear side partial structure schematic view of the utility model;

[0018] Figure 4 It is a fixing seat partial structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of A in the utility model;

[0019] Figure 5 It is a fixing seat, support arm and bottom plate partial structure schematic view of the utility model;

[0020] Figure 6 It is an enlarged structure schematic view of B in the utility model Figure 5 It is an enlarged structure schematic view of B in the utility model

[0021] Figure 7 It is a bottom plate and flap partial structure schematic view of the utility model.

[0022] In the figure: 1, workbench; 2, test disc; 3, support plate; 4, measuring tube assembly; 5, fixed seat; 6, groove; 7, limiting slide rail; 8, sliding block; 9, support arm; 10, sliding groove; 11, translation slide rail; 12, electric slide rail; 13, fixed plate; 14, motor; 15, transmission shaft; 16, gear; 17, rack; 18, bottom plate; 19, mounting frame; 20, rotating shaft; 21, flap; 22, cutting groove; 23, first fixed washer; 24, cutting knife; 25, second fixed washer; 26, telescopic rod; 27, rotating handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-7 , the fixed structure for geomembrane permeability coefficient tester, including workbench 1, the top of workbench 1 is equipped with test disc 2, and the top of workbench 1 is fixedly connected with support plate 3, the top of support plate 3 is equipped with measuring tube assembly 4, the top of workbench 1 is fixedly connected with fixed seat 5, and groove 6 is formed in fixed seat 5, limiting slide rail 7 is fixedly connected on groove 6, two sliding blocks 8 are slidably installed on limiting slide rail 7, the two sliding blocks 8 are slidably installed in groove 6, support arm 9 is fixedly connected on the two sliding blocks 8, sliding groove 10 is formed in the two support arms 9, translation slide rail 11 is arranged in the two sliding grooves 10, electric slide rail 12 is slidably installed on translation slide rail 11, bottom plate 18 is fixedly installed on the top of the two electric slide rails 12, mounting frame 19 is arranged on the rear side of the two bottom plates 18, rotating shaft 20 is slidably installed on the two mounting frames 19, flap 21 is fixedly installed on the two rotating shafts 20, workbench 1 is fixed on test disc 2, support plate 3 is fixed on workbench 1, measuring tube assembly 4 is fixed on support plate 3, fixed seat 5 is fixed on workbench 1, groove 6 is formed in the inner wall of fixed seat 5, limiting slide rail 7 is fixed on the top of groove 6, limiting slide rail 7 is used for limiting sliding of sliding block 8, support arm 9 is fixed on sliding block 8, sliding groove 10 is formed in the inner wall of support arm 9, translation slide rail 11 is fixed on the top of sliding groove 10, electric slide rail 12 is slidably installed on translation slide rail 11, bottom plate 18 is fixed on electric slide rail 12, mounting frame 19 is fixed on bottom plate 18, rotating shaft 20 is rotated on mounting frame 19, and flap 21 is fixed on rotating shaft 20.

[0025] In a preferred implementation form, the top of the fixing base 5 is fixedly connected with a fixing plate 13, the bottom of the fixing plate 13 is fixedly connected with a motor 14, the output shaft of the motor 14 is fixedly connected with a transmission shaft 15, the transmission shaft 15 is fixedly sleeved with a gear 16, the fixing plate 13 is fixed with the fixing base 5, the motor 14 is fixed with the fixing plate 13, the transmission shaft 15 is fixed with the output shaft of the motor 14, and the gear 16 is fixedly sleeved with the transmission shaft 15.

[0026] In a preferred implementation form, the left and right sides of the gear 16 are both provided with a rack 17, both of the racks 17 are engaged with the gear 16, both of the racks 17 are fixedly connected with the sliding blocks 8, the gear 16 is engaged with the rack 17, and the rack 17 is fixed with the sliding block 8.

[0027] In a preferred implementation form, the top of each of the two bottom plates 18 is provided with a cutting groove 22, and the top of each of the two bottom plates 18 is provided with a first fixing gasket 23, the cutting groove 22 is arranged on the top of the bottom plate 18, and the first fixing gasket 23 is fixed with the bottom plate 18.

[0028] In a preferred implementation form, the top of each of the two flaps 21 is provided with a cutting knife 24, and the top of each of the two flaps 21 is provided with a second fixing gasket 25, the two cutting knives 24 are respectively matched with the two cutting grooves 22, the two first fixing gaskets 23 are respectively matched with the two second fixing gaskets 25, the cutting knife 24 is fixed with the flap 21, the second fixing gasket 25 is fixed with the flap 21, the cutting knife 24 is matched with the inner wall of the cutting groove 22, the first fixing gasket 23 is matched with the second fixing gasket 25, and the surfaces of the first fixing gasket 23 and the second fixing gasket 25 are both provided with anti-skid convex points.

[0029] In a preferred implementation form, the same telescopic rod 26 is arranged between the two rotating shafts 20, and the telescopic rod 26 is fixedly connected between the two rotating shafts 20, one side of each of the two rotating shafts 20 is fixedly connected with a rotating handle 27, the telescopic rod 26 is fixed with the rotating shaft 20, and the rotating handle 27 is fixed with the rotating shaft 20.

[0030] The working principle is that, in use, the geomembrane is first placed on the top of the test disc 2, and the two ends of the geomembrane are placed on the top of the two bottom plates 18 respectively, at this time, the rotating handle 27 is rotated to drive the rotating shaft 20 to rotate, since the two rotating shafts 20 are connected through the telescopic rod 26, when the rotating handle 27 is rotated, the rotating shaft 20 will rotate, at this time, the left and right flaps 21 will rotate downward, so that the first fixed pad 23 at the bottom is attached to the second fixed pad 25 above, thereby fixing and compressing the two sides of the geomembrane, at the same time, the cutting knife 24 will move downward to cut when the flap 21 rotates, so that the geomembrane can be fixed and cut at the same time, which reduces the manual cutting step, facilitates the determination of the geomembrane, and then the motor 14 is started to drive the transmission shaft 15 to rotate, the transmission shaft 15 drives the gear 16 to rotate, the rotation of the gear 16 drives the left and right racks 17 to transmit, so that the two racks 17 move towards each other, thereby driving the two support arms 9 to move to the two sides respectively, so that the two bottom plates 18 can move to the two sides respectively, which can pull the two ends of the geomembrane outward, so that the geomembrane is in a flat state on the top of the test disc 2, which can effectively avoid the surface of the geomembrane from being wrinkled during determination, improve the accuracy of the determination of the permeability coefficient of the geomembrane, and also start the two electric rails 12 to move on the translation rail 11, so that the fixed geomembrane can be moved up and down, which is convenient for determining different positions of the geomembrane.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixing structure for a geomembrane permeability coefficient tester, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a test disc (2), and the top of the workbench (1) is fixedly connected with a supporting plate (3), and the top of the supporting plate (3) is provided with a measuring pipe assembly (4), and the top of the workbench (1) is fixedly connected with a fixed seat (5), and the fixed seat (5) is provided with a groove (6), and the groove (6) is fixedly connected with a limiting slide rail (7), and the limiting slide rail (7) is slidably installed with two sliding blocks (8), and the two sliding blocks (8) are slidably installed in the groove (6), and the two sliding blocks (8) are fixedly connected with a supporting arm (9), and the two supporting arms (9) are provided with a sliding groove (10), and the two sliding grooves (10) are provided with a translation slide rail (11), and the translation slide rail (11) is slidably installed with an electric slide rail (12), and the top of the two electric slide rails (12) is fixedly installed with a bottom plate (18), and the rear side of the two bottom plates (18) is provided with a mounting bracket (19), and the two mounting brackets (19) are slidably installed with a rotating shaft (20), and the two rotating shafts (20) are fixedly installed with a flap (21).

2. The fixing structure for geomembrane permeability coefficient tester according to claim 1, characterized in that: The top of the fixed seat (5) is fixedly connected with a fixed plate (13), and the bottom of the fixed plate (13) is fixedly connected with a motor (14), and the output shaft of the motor (14) is fixedly connected with a transmission shaft (15), and the transmission shaft (15) is fixedly sleeved with a gear (16).

3. The fixing structure for geomembrane permeability coefficient tester according to claim 2, characterized in that: The left and right sides of the gear (16) are provided with a rack (17), and the two racks (17) are engaged with the gear (16), and the two racks (17) are fixedly connected with the two sliding blocks (8) respectively.

4. The fixing structure for geomembrane permeability coefficient tester according to claim 3, characterized in that: The top of the two bottom plates (18) is provided with a cutting groove (22), and the top of the two bottom plates (18) is provided with a first fixed pad (23).

5. The fixing structure for geomembrane permeability coefficient tester according to claim 4, characterized in that: The top of the two flaps (21) is provided with a cutting knife (24), and the top of the two flaps (21) is provided with a second fixed pad (25), and the two cutting knives (24) are matched with the two cutting grooves (22) respectively, and the two first fixed pads (23) are matched with the two second fixed pads (25) respectively.

6. The fixing structure for geomembrane permeability coefficient tester according to claim 1, characterized in that: The two rotating shafts (20) are provided with a same telescopic rod (26), and the telescopic rod (26) is fixedly connected between the two rotating shafts (20), and one side of the two rotating shafts (20) is fixedly connected with a rotating handle (27).

Citation Information

Patent Citations

  • Water conservancy trade geomembrane infiltration coefficient measurement appearance

    CN208313774U