CN219320034U - Wet sieve type geotechnical cloth effective aperture tester - Google Patents

Abstract

The utility model discloses a wet-screening geotechnical cloth effective aperture tester which comprises a workbench, wherein four threaded rods which are arranged in a matrix are arranged above the workbench, a supporting plate is inserted into the upper end of each threaded rod, a base is arranged above each supporting plate, a cover body is arranged above each base, a connecting ring is arranged at the lower end of each cover body, four groups of fixing plates which are arranged in a matrix are arranged at the upper end of each base, two fixing plates are arranged in each group, a fixing structure is arranged on each fixing plate, a supporting table is arranged in the middle of the upper end of each base, and a compression ring matched with the supporting table is arranged below each connecting ring. The aperture measuring instrument is simple in structure and convenient to operate, flatness of geotechnical cloth in the testing process is effectively guaranteed, particle material loss from the edge is avoided, and testing accuracy is effectively improved.

Description

Wet sieve type geotechnical cloth effective aperture tester

Technical Field

The utility model relates to the technical field of geotechnical cloth testing, in particular to a wet sieve type geotechnical cloth effective aperture tester.

Background

The effective pore diameter of geotextile is an important index for judging the performance of geotextile. The effective aperture of the single-layer geotextile is generally measured by adopting a wet screening principle. The method is characterized in that a single-layer geotextile and related product samples are used as a screen, water is sprayed to the samples and graded granular materials (usually sand) under no external pressure, the granular graded materials pass through the samples, the effective aperture of the samples is represented by the specific particle size of the passed granular materials, the geotextile is usually directly placed on a sample box for screening by the conventional geotextile effective aperture measuring instrument, the geotextile cannot be ensured to be flat in the vibration process, and standard sand can run off along the edge gaps where the geotextile is connected with the sample box, so that measurement data are inaccurate. Therefore, we propose a wet-screen geotextile effective aperture tester.

Disclosure of Invention

The utility model aims to provide a wet-screen geotextile effective aperture tester for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wet sieve formula geotechnique cloth effective aperture apparatus, includes the workstation, the workstation top is equipped with the threaded rod that four matrixes were arranged, it has the backup pad to peg graft in the threaded rod upper end, the backup pad top is equipped with the base, the base top is equipped with the cover body, cover body lower extreme is equipped with the go-between, the base upper end is equipped with four groups of fixed plates that the matrix was arranged, every group the fixed plate all is equipped with two, every group all be equipped with fixed knot on the fixed plate, the brace table has been seted up at base upper end middle part, the go-between below is equipped with the clamping ring with brace table assorted, the upper end is equipped with the cavity in the workstation, be equipped with the motor in the cavity, motor rotation axis and carousel fixed connection, the carousel outside is through connecting block and connecting rod swing joint, connecting rod and push rod swing joint, connecting rod one end runs through workstation and backup pad fixed connection are kept away from to the push rod.

Preferably, the fixed knot constructs including the fly leaf, fly leaf passes through axostylus axostyle and fixed plate swing joint, fly leaf and clamp plate fixed connection, the cavity has been seted up to clamp plate near go-between one side, be equipped with the movable block in the cavity, the movable block is close to go-between one side and briquetting fixed connection, the movable block is kept away from briquetting one side and is passed through second spring and cavity lateral wall fixed connection.

Preferably, the threaded rod is positioned between the workbench and the supporting plate and sleeved with a first spring.

Preferably, the threaded rod is provided with a nut above the supporting plate.

Preferably, the cover body is internally provided with a plurality of spray heads which are distributed at equal intervals, a hose which is communicated with the spray heads is arranged above the cover body, and one end of the hose, which is far away from the cover body, is provided with a water inlet.

Preferably, a fixing ring is arranged on the outer side of the lower portion of the connecting ring, and a fixing groove matched with the fixing ring is formed in the upper end of the base.

Compared with the prior art, the utility model has the beneficial effects that: this kind of wet sieve formula geotechnique cloth effective aperture apparatus, clamping ring and supporting bench extrude geotechnique cloth to mutually support through between clamping ring and the supporting bench, pull geotechnique cloth, thereby tighten geotechnique cloth, make geotechnique cloth be in the state of tightening all the time in the testing process, the push rod can drive the backup pad and carry out vertical direction's reciprocating motion, thereby makes the apparatus reach the effect of vibrations. The aperture measuring instrument is simple in structure and convenient to operate, flatness of geotechnical cloth in the testing process is effectively guaranteed, particle material loss from the edge is avoided, and testing accuracy is effectively improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of part A of the present utility model;

in the figure: 1 workbench, 2 threaded rods, 3 supporting plates, 4 bases, 5 cover bodies, 6 connecting rings, 7 fixing plates, 8 fixing structures, 81 movable plates, 82 pressing plates, 83 cavities, 84 movable blocks, 85 pressing blocks, 86 second springs, 9 supporting tables, 10 pressing rings, 11 cavities, 12 motors, 13 turntables, 14 connecting rods, 15 push rods, 16 first springs, 17 water inlets, 18 hoses, 19 spray heads, 20 nuts, 21 fixing rings and 22 fixing grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a wet sieve formula geotechnique cloth effective aperture apparatus, includes workstation 1, workstation 1 top is equipped with four threaded rods 2 that the matrix was arranged, threaded rod 2 upper end grafting has backup pad 3, threaded rod 2 and backup pad 3 swing joint, backup pad 3 top is equipped with base 4, base 4 top is equipped with cover body 5, cover body 5 lower extreme is equipped with go-between 6, base 4 upper end is equipped with four groups of fixed plate 7 that the matrix was arranged, every group fixed plate 7 all is equipped with two, every group all be equipped with fixed knot constructs 8 on the fixed plate 7, can fix go-between 6 and base 4 through fixed knot constructs 8 to reach cover body 5 and base 4 fixed connection's purpose, supporting bench 9 has been seted up at base 4 upper end middle part, the connecting ring 6 below is equipped with the clamping ring 10 with supporting bench 9 assorted, and supporting bench 9 can support geotechnique cloth, in the aim of fixedly connecting the connecting ring 6 with the base 4, the pressure ring 10 and the supporting table 9 extrude geotechnical cloth, so that the geotechnical cloth is pulled through the mutual matching between the pressure ring 10 and the supporting table 9, so that the geotechnical cloth is tensioned, the geotechnical cloth is always in a tensioned state in the testing process, a cavity 11 is arranged at the upper end in the workbench 1, a motor 12 is arranged in the cavity 11, a rotating shaft of the motor 12 is fixedly connected with a turntable 13, the outer side of the turntable 13 is movably connected with a connecting rod 14 through a connecting block, the connecting rod 14 is movably connected with a push rod 15, one end of the push rod 15 far away from the connecting rod 14 penetrates through the workbench 1 and the supporting plate 3, the motor 12 drives the turntable 13 to rotate during the working, the turntable 13 drives the connecting rod 14 to rotate around the turntable 13 through the connecting block during the rotating process of the turntable 13, under the drive of the connecting rod 14, the push rod 15 can drive the supporting plate 3 to reciprocate in the vertical direction, so that the tester achieves the vibration effect.

The fixed knot constructs 8 include fly leaf 81, fly leaf 81 passes through axostylus axostyle and fixed plate 7 swing joint, fly leaf 81 and clamp plate 82 fixed connection, clamp plate 82 is close to go-between 6 one side and has seted up cavity 83, be equipped with movable block 84 in the cavity 83, movable block 84 is close to go-between 6 one sides and briquetting 85 fixed connection, and briquetting 85 is kept away from fly leaf 81 one side and is established to the inclined plane, briquetting 85 is kept away from briquetting 85 one side and is passed through second spring 86 and cavity 83 lateral wall fixed connection, and fly leaf 81 can rotate around fixed plate 7, and when fly leaf 81 rotates, clamp plate 82 rotates go-between 6 top, and briquetting 85 removes go-between 6 top, and briquetting 85 contacts with go-between 6, and briquetting 85 promotes movable block 84 to the inside removal of cavity 83 at this moment, and second spring 86 atress compression, when briquetting 85 is located go-between 6, under the effect of second spring 86 elasticity, briquetting 85 extrudees go-between link 6, through the cooperation between briquetting 85 and go-between 6, reaches the purpose to go-between 6 and base 4 fixed connection.

The threaded rod 2 is located between the workbench 1 and the supporting plate 3, the first spring 16 is sleeved between the workbench 1 and the supporting plate 3, the first spring 16 is compressed or stretched in the shaking process of the supporting plate 3, and the supporting plate 3 can rapidly reciprocate through the arrangement of the second spring 16.

The threaded rod 2 is provided with a nut 20 above the supporting plate 3, and the height between the supporting plate 3 and the workbench 1 can be adjusted by the arrangement of the threads 20.

The novel shower nozzle is characterized in that a plurality of shower nozzles 19 which are equidistantly arranged are arranged in the cover body 5, a hose 18 which is communicated with the shower nozzles 19 is arranged above the cover body 5, a water inlet 17 is formed in one end, far away from the cover body 5, of the hose 18, water can be injected into the hose 18 through the water inlet 17, and water can be sprayed out through the shower nozzles 19 through conduction of the hose 18.

The fixed ring 21 is arranged on the outer side of the lower portion of the connecting ring 6, the fixed groove 22 matched with the fixed ring 21 is formed in the upper end of the base 4, the fixed ring 21 is inserted into the fixed groove 22, and the connecting ring 6 and the base 4 can be stably positioned through the mutual matching between the fixed ring 21 and the fixed groove 22.

Specifically, in the utility model, when the effective aperture of the geotextile is measured, firstly, the geotextile is paved above the supporting table 9, the cover body 5 and the connecting ring 6 are arranged above the base 4, the press ring 10 and the supporting table 9 squeeze the geotextile, so that the geotextile is pulled through the mutual matching between the press ring 10 and the supporting table 9, the geotextile is stretched, the geotextile is always in a stretched state in the test process, and the geotechnical cloth is sprinkled with the granular material for testing, meanwhile, the movable plate 81 is rotated, when the movable plate 81 rotates, the pressing plate 82 rotates to the upper part of the connecting ring 6, the pressing block 85 moves to the upper part of the connecting ring 6, the pressing block 85 contacts with the connecting ring 6, the pressing block 85 pushes the movable block 84 to move towards the inside of the cavity 83, at the moment, the second spring 86 is compressed under the stress, when the pressing block 85 is positioned right above the connecting ring 6, under the effect of the elastic force of the second spring 86, the pressing block 85 extrudes the connecting ring 6, the purpose of fixedly connecting the connecting ring 6 with the base 4 is achieved through the mutual matching between the pressing block 85 and the connecting ring 6, afterwards, the motor 12 is started, the motor 12 drives the turntable 13 to rotate, the turntable 13 drives the connecting rod 14 to rotate around the turntable 13 through the connecting block in the rotating process of the turntable 13, the push rod 15 can drive the supporting plate 3 to reciprocate in the vertical direction under the driving of the connecting rod 14, so that the tester achieves the vibration effect, meanwhile, water is injected into the hose 18 through the water inlet 17, water can be sprayed out through the spray head 19, the water sprayed out through the spray head 19 is directly sprayed on geotechnical cloth, and after a period of time, the effective aperture of the geotechnical cloth can be obtained through measuring the quantity of granular materials in the base 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wet sieve formula geotechnique cloth effective aperture apparatus, includes workstation (1), its characterized in that: the utility model discloses a workbench, including workstation (1), backup pad (3) top are pegged graft and are equipped with base (4), base (4) top is equipped with cover body (5), cover body (5) lower extreme is equipped with go-between (6), base (4) upper end is equipped with fixed plate (7) that four groups matrix were arranged, every group fixed plate (7) all are equipped with two, every group all be equipped with fixed knot structure (8) on fixed plate (7), supporting bench (9) have been seted up at base (4) upper end middle part, go-between (6) below be equipped with supporting bench (9) assorted clamping ring (10), upper end is equipped with cavity (11) in workstation (1), be equipped with motor (12) in cavity (11), motor (12) rotation axis and carousel (13) fixed connection, carousel (13) outside is through connecting rod (14) swing joint, connecting rod (14) and connecting rod (15) one end fixed connection (14) are kept away from with backup pad (1).

2. The wet-screen geotextile effective aperture meter of claim 1, wherein: fixed knot constructs (8) including fly leaf (81), fly leaf (81) pass through axostylus axostyle and fixed plate (7) swing joint, fly leaf (81) and clamp plate (82) fixed connection, clamp plate (82) are close to go-between (6) one side and have been seted up cavity (83), be equipped with movable block (84) in cavity (83), movable block (84) are close to go-between (6) one side and briquetting (85) fixed connection, briquetting (85) one side is kept away from to movable block (84) through second spring (86) and cavity (83) lateral wall fixed connection.

3. The wet-screen geotextile effective aperture meter of claim 1, wherein: the threaded rod (2) is positioned between the workbench (1) and the supporting plate (3) and is sleeved with a first spring (16).

4. The wet-screen geotextile effective aperture meter of claim 1, wherein: the threaded rod (2) is positioned above the supporting plate (3) and is provided with a nut (20).

5. The wet-screen geotextile effective aperture meter of claim 1, wherein: the novel shower nozzle is characterized in that a plurality of shower nozzles (19) which are equidistantly distributed are arranged in the cover body (5), a hose (18) which is communicated with the shower nozzles (19) is arranged above the cover body (5), and a water inlet (17) is formed in one end, far away from the cover body (5), of the hose (18).

6. The wet-screen geotextile effective aperture meter of claim 1, wherein: the outer side of the lower part of the connecting ring (6) is provided with a fixing ring (21), and the upper end of the base (4) is provided with a fixing groove (22) matched with the fixing ring (21).

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