CN212872124U

CN212872124U - Geotechnical cloth water permeability tester

Info

Publication number: CN212872124U
Application number: CN202021997299.XU
Authority: CN
Inventors: 臧祥力
Original assignee: Hebei Tianchen Instrument Equipment Co ltd
Current assignee: Hebei Tianchen Instrument Equipment Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-02
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to the field of water permeability monitoring instruments, in particular to a geotechnical cloth water permeability tester which comprises a machine body, a working container is arranged in the machine body, a scale measuring cylinder is arranged on the working container, the working container comprises an inner container and an outer container, the inner container and the outer container are connected into a whole, the height of the inner container is higher than that of the outer container, the top end of the working container is provided with a lower clamp holder, the bottom end of the graduated cylinder is provided with an upper clamp holder, a water tank is arranged in the working container, an overflow port connected with the water tank is arranged on the working container, be provided with well bucket in the scale graduated flask, the lateral wall of well bucket is provided with the limbers, the utility model discloses well bucket can keep the steady of water level, guarantees the calmness of the surface of water, avoids the great fluctuation of instrument, improves the precision that detects.

Description

Geotechnical cloth water permeability tester

Technical Field

The utility model relates to a monitoring instrument technical field of water permeability especially relates to a geotechnological cloth water permeability apparatus.

Background

At present, geotextile is a water-permeable geosynthetic material formed by needling or weaving synthetic fibers, and is widely used for geotechnical engineering such as water conservancy, electric power, mines, highways, railways and the like, so that the geotextile needs to be permeable to water for filtration and drainage, and therefore has good water permeability. The water permeability of various types of geotextiles is measured, and the performance of the geotextiles meets the requirements of GB/T15789 'geotextile water permeability test method' standard on instruments. At the in-process of survey, the detection of geotechnological cloth water permeability need measure the flood peak difference H in the testing process, and among the actual test process, rivers introduce the instrument after, the surface of water is not quiet, and is undulant great, because the impact force that the whereabouts brought, can show the water permeability that improves the sample, and rivers flow when using with geotechnological cloth is different great, leads to detection error great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the rivers that exist among the prior art and introducing the instrument after, the surface of water is not quiet, and is undulant great, because the impact force that the whereabouts brought, can show the water permeability that improves the sample, and the rivers flow when using with geotechnological cloth differs great, leads to the great shortcoming of detection error, and the geotechnological cloth water permeability apparatus who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a geotechnique's cloth water permeability apparatus, includes the organism, be provided with the work container in the organism, be provided with the scale graduated flask on the work container, the work container includes inner container and outer container, inner container and outer container are linked into an organic whole, the height of inner container is higher than the height of outer container, the top of work container is provided with down the holder, the bottom of scale graduated flask is provided with the holder, be provided with the water tank in the work container, the last overflow mouth that is provided with the water tank is connected of work container, be provided with well bucket in the scale graduated flask, the lateral wall of well bucket is provided with the limbers.

Preferably, the organism includes the box and sets up controller case on the box, work container sets up in the box, the top of box is provided with the tray, the bottom of box is provided with the base, install controller and dissolved oxygen appearance on the controller case, the top of controller case is provided with the upper cover.

Preferably, the lower holder is plate-shaped, and a fixing hole is formed in the lower holder, and a compression nut is arranged in the fixing hole.

Preferably, a metering device is arranged in the water tank, the metering device comprises a lower water level limiter and an upper water level limiter, the bottom end of the lower water level limiter is lower than the bottom end of the upper water level limiter, and the lower water level limiter and the upper water level limiter are both electrically connected with a timer.

Preferably, one side of the water tank is provided with a water outlet, and an electric valve is arranged on the water outlet.

Preferably, the scale graduated cylinder is made of organic glass.

The utility model has the advantages that:

1. the utility model discloses be provided with well bucket in the scale graduated flask, be provided with the limbers on the lateral wall of well bucket, the limbers can guarantee experimental minimum gradient, press from both sides the sample tightly between lower holder and the last holder, water follows the scale graduated flask gets into the water tank, and well bucket can keep the steady of water level, guarantees the calmness of the surface of water, avoids the great fluctuation of instrument, improves the precision that detects.

2. The utility model discloses the work container includes inner container and outer container, and inner container and outer container are linked into an organic whole, and the height that highly is higher than the outer container of inner container, work container's top is provided with down the holder, and the bottom of scale graduated flask is provided with the holder, compresses tightly the lower plate through gland nut, presss from both sides the sample tightly in the middle of the holder, can conveniently change the test piece, improves and changes efficiency.

3. The utility model discloses metering device in the water tank can collect the water yield at the water tank and measure, closes behind the electrically operated valve, and water gets into in the water tank, and the water level in the water tank rises, arrives when the water yield of collecting during lower water level stopper, the time-recorder begins the timing, and along with the continuation of water level rises, arrives as the water level during the time-recorder time, the time-recorder has recorded the time that the water level arrived water level stopper from lower water level stopper, measures more accurately and conveniently.

Drawings

Fig. 1 is a perspective view of a geotextile water permeability tester provided by the present invention;

FIG. 2 is a front view of a geotextile permeability tester as shown in FIG. 1;

FIG. 3 is a schematic view of the top end of a working container in the geotextile permeability tester shown in FIG. 1;

FIG. 4 is a schematic structural diagram of a metering system in the geotextile permeability tester shown in FIG. 1;

fig. 5 is a perspective view of a middle barrel in the geotextile water permeability tester shown in fig. 1.

In the figure: 1 upper cover, 2 controller box, 3 graduated cylinder, 4 working container, 5 tray, 6 base, 7 box, 8 middle barrel, 81 limber hole, 9 upper clamper, 10 lower clamper, 11 overflow port, 12 lower water level limiter, 13 water tank, 14 water outlet, 15 upper water level limiter.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, an earth work cloth water permeability tester comprises a machine body, wherein a working container 4 is arranged in the machine body, a scale graduated cylinder 3 is arranged on the working container 4, the working container 4 comprises an inner container and an outer container, the inner container and the outer container are connected into a whole, the inner container is higher than the outer container, a lower clamp 10 is arranged at the top end of the working container 4, an upper clamp 9 is arranged at the bottom end of the scale graduated cylinder 3, a water tank 13 is arranged in the working container 4, an overflow port 11 connected with the water tank 13 is arranged on the working container 4, a middle barrel 8 is arranged in the scale graduated cylinder 3, a water through hole 81 is arranged on the side wall of the middle barrel 8, and the water through hole 81 can ensure the minimum gradient of a test. The sample is clamped between the lower holder 10 and the upper holder 9, water enters the water tank 13 from the graduated cylinder 3, the middle barrel 8 can keep the water level stable, the water overflows from the inner ring of the working container 4 after passing through the sample, and the overflowing water enters the water tank 13 for metering through the overflow port 11.

The machine body comprises a box body 7 and a controller box 2 arranged on the box body 7, the working container 4 is arranged in the box body 7, a tray 5 is arranged at the top end of the box body 7, the tray 5 is used for collecting water overflowing in the test process, a base 6 is arranged at the bottom end of the box body 7, a controller and a dissolved oxygen meter are installed on the controller box 2, and an upper cover 1 is arranged at the top end of the controller box 2.

The inner container is used for controlling the height of the overflowing water head to be kept constant, the outer container is used for collecting the overflowing water quantity, the inner container and the outer container are connected into a whole, and the inner container and the outer container are respectively provided with a water outlet 14 which is communicated with a pipeline. Go up the holder 9 with scale graduated flask 3 is fixed, and scale graduated flask 3 adopts the organic glass material, the shape of holder 10 is platelike down, is provided with the fixed orifices on the holder 10 down, is provided with gland nut in the fixed orifices, presss from both sides the sample through gland nut and presss from both sides tightly between last holder 9 and lower holder 10.

The water tank is characterized in that a metering device is arranged in the water tank 13 and comprises a lower water level limiter 12 and an upper water level limiter 15, the bottom end of the lower water level limiter 12 is lower than the bottom end of the upper water level limiter 15, the lower water level limiter 12 and the upper water level limiter 15 are electrically connected with a timer, a water outlet 14 is formed in one side of the water tank 13, and an electric valve is arranged on the water outlet 14. The metering device can meter when the water tank 13 collects water quantity, after the electric valve is closed, water enters the water tank 13, the water level in the water tank 13 rises, when the collected water quantity reaches the lower water level limiter 12, the timer starts to time, along with the continuous rise of the water level, when the water level reaches the upper water level limiter 15, the timer times, and the timer records the time when the water level reaches the upper water level limiter 15 from the lower water level limiter 12. The amount of water in the water tank 13 between the lower level stopper 12 and the upper level stopper 15 is 1000 ml. After the recording is finished, the electric valve is opened, and the water in the water tank 13 is discharged through the water outlet 14.

In the embodiment, the instrument is placed on a flat and stable ground and is well adjusted, the ambient temperature of the instrument is 10-25 ℃, the power supply is Ac220 +/-10%, the power supply is 50Hz, and the grounding is reliable. And a touch screen is arranged on the controller box 2, parameters required by the test are set on the touch screen, the required test temperature is set, and the water supply key is clicked to enable water in the water tank 13 to circulate and then the temperature control key is clicked to control the temperature. A temperature controller and a water supply switch are arranged in the controller box 2. And the box body 7 is internally provided with components such as an electromagnetic valve, a compressor, a pipeline and the like. The holder is placed in the inner container by means of a locating support pin. The inner container and the outer container are connected into a whole, the inner container and the outer container are respectively provided with a water outlet 14 which is communicated with a pipeline, the upper clamp 9 and the organic glass water level cylinder are connected into a whole, the lower clamp 10 is a press plate with a circular hole, and the lower clamp plate is pressed through a compression nut to clamp a sample in the middle of the clamp. And after the temperature reaches the set temperature of the test, the clamp holder is taken out, the compression nut is loosened, the metal mesh is placed on the clamp holder, the test piece is well loaded, the upper clamp holder 9 is pressed on, then the compression nut is screwed, the clamp holder is placed on the positioning support pin, and the graduated cylinder 3 is provided with a scale and faces to the right front side so as to facilitate observation. The external stable water source of water inlet opens the host computer right side door, observes 13 water levels of water tank to two-thirds position can. And (3) starting water supply to ensure that the water head difference reaches a specified value, starting the test after the water head difference is stabilized, automatically collecting the water quantity in the instrument, and finishing the test when the collected water quantity reaches a set value of 1000 ml. The time taken to collect a 1000 ml flow is displayed on the screen. And after the experiment is finished, opening a water outlet switch to drain water in the instrument. The water flow speed is changed from high to low during the test, and the rest samples are tested under the same water pressure.

The utility model discloses be provided with well bucket 8 in the scale graduated flask 3, be provided with limbers 81 on the lateral wall of well bucket 8, limbers 81 can guarantee experimental minimum gradient, press from both sides the sample tightly and be in between lower holder 10 and the last holder 9, water is followed scale graduated flask 3 gets into water tank 13, and well bucket 8 can keep the steady of water level, guarantees the calm of the surface of water, avoids the great fluctuation of instrument, improves the precision that detects. Further, the utility model discloses work container 4 includes inner container and outer container, and inner container and outer container are linked together, and the height that highly is higher than the outer container of inner container, work container 4's top are provided with down holder 10, and the bottom of scale graduated flask 3 is provided with holder 9, compresses tightly the lower plate through gland nut, presss from both sides the sample tightly in the middle of the holder, can conveniently change the test piece, improves and changes efficiency. Further, the utility model discloses metering device in the water tank 13 can measure when water tank 13 collects the water yield, after closing the electrically operated valve, water gets into in the water tank 13, and the water level in the water tank 13 rises, arrives when the water yield of collecting during lower water level limiter 12, the time-recorder begins the timing, and along with the continuation of water level rises, arrives as the water level during last water level limiter 15, the time-recorder timing, the time-recorder has recorded the time that the water level arrived last water level limiter 15 from lower water level limiter 12, measures more accurately and conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a geotechnique's cloth water permeability apparatus, its characterized in that, includes the organism, be provided with work container (4) in the organism, be provided with scale graduated flask (3) on work container (4), work container (4) include inner container and outer container, the inner container links into an organic whole with the outer container, the height of inner container is higher than the height of outer container, the top of work container (4) is provided with down holder (10), the bottom of scale graduated flask (3) is provided with holder (9), be provided with water tank (13) in work container (4), be provided with on work container (4) with overflow mouth (11) that water tank (13) are connected, be provided with well bucket (8) in scale graduated flask (3), the lateral wall of well bucket (8) is provided with limbers (81).

2. The geotextile water permeability tester of claim 1, wherein the machine body comprises a box body (7) and a controller box (2) arranged on the box body (7), the working container (4) is arranged in the box body (7), a tray (5) is arranged at the top end of the box body (7), a base (6) is arranged at the bottom end of the box body (7), a controller and a dissolved oxygen meter are arranged on the controller box (2), and an upper cover (1) is arranged at the top end of the controller box (2).

3. The geotextile permeability tester of claim 1, wherein the lower holder (10) is shaped like a plate, and a fixing hole is formed in the lower holder (10), and a compression nut is arranged in the fixing hole.

4. The geotextile water permeability tester of claim 1, wherein a metering device is arranged in the water tank (13), the metering device comprises a lower water level stopper (12) and an upper water level stopper (15), the bottom end of the lower water level stopper (12) is lower than the bottom end of the upper water level stopper (15), and the lower water level stopper (12) and the upper water level stopper (15) are both electrically connected with a timer.

5. The geotextile permeability tester of claim 4, wherein the water tank (13) is provided with a water outlet (14) at one side, and the water outlet (14) is provided with an electric valve.

6. The geotextile water permeability tester of claim 1, wherein the graduated cylinder (3) is made of organic glass.