TSY-2 geotextile effective aperture measuring instrument test principle - Database & Sql Blog Articles

Test probe GP-2 5.0 can be customized to other specifications

Test - lowercase jpg

Kaixin micro test

TSY-2

Geotextile effective pore size analyzer (wet sieve method)

This instrument is suitable for the determination of the effective aperture of all types of geotextile products.

GB/T17634-1998

"Determination of effective pore size of geotextiles and related products - Wet sieve method"

Standard requirements for the instrument.

Test principle:

The sample and the graded granular material are sprayed with water at a predetermined vibration frequency and amplitude by using a single layer of geotextile without tension and a sample of the related product as a screen to pass the sample of the particulate material through the sample. The effective pore size of the sample is indicated by the passing particulate material and the specific particle size.

Technical Parameters:

1

, gripper inner diameter: Φ

176mm

2

Vibration frequency:

50Hz

3

Vibration amplitude:

1. 5mm

(vibration height

3mm

)

4

, time setting: two files

0 ~ 99. 99s

0

~

99

Minute

59s

5

, matching motor:

2800r/min 550W

6

,Electricity

source:

380V

7

,Dimensions:

680

×

420

×

750mm

8

,weight

the amount:

50Kg

Instrument structure and working principle:

1

, appearance (see Figure 1, outline drawing)

Instrument from the bottom plate

l

Cover

2

, the holder and the screening device, the spray system, etc.

Bottom plate

1

The four corners are provided with mounting slots, which can be fixed to the foundation or the workpiece table by screws.

,

Cover

2

The upper left control area is equipped with a counter

17 .

switch

15

Start button

16

. The cover and the screening vibration device are not in direct contact, reducing the effects of vibration.

The sprinkler system is mounted on the pillar on the right side of the floor, by the water inlet

14

Steam switch

1 3

,Metal Hose

11.

Shower head

10

Composition, the shower head is equipped with a splash cover

9

, when used, the shower head is placed in a transparent cover

8

Inside, cover the splash cover and fasten the clip

7

To prevent water from spilling out. Collection tank

5

With vibrating head

4

Rigid connection with collection tube on the left

3

, collecting groove bottom matching support grid

18

The sample is tiled on the grid. Holder

6

Press it tightly, then use the flip bolt and the cover bolt

12

Press tight.

The specific operation method of turning the bolt and opening the bolt is: due to the collecting tank

5

With gripper

6

The anti-seepage water requirement is that the outer wall is provided with a sealing ring, so there are two opening cap bolts with a long slot, when the holder

6

When it is difficult to remove, the cover bolt can be rotated in reverse, and the bayonet will lift the holder for easy operation.

? , transmission system:

The eccentric wheel is driven by the attached concrete vibrator through the belt and the gear to drive the vibrating head to generate a certain vibration frequency and amplitude vibration. All the transmission components are mounted on a flat plate, and the flat plate and the bottom plate are supported by four spring damper columns. The vibrating head and the plate are also connected by a spring damper column to reduce the impact of vibration on the instrument.

3

Electrical control

See Figure 2, electrical schematic

External environment:

1

The workbench is flat, stable, and has good anti-vibration performance.

2

Is isolated from instruments that are sensitive to vibration.

3

,temperature

10

~

30

°C

Humidity ≤

80%

4

,power supply:

Ac380V

±

10% 50Hz

5

External water supply must be regulated water source (recommended

300KPa

Flow under pressure

500mL

/

Min

)

Steps:

1

Remove the gripper

6

, flattening the sample without any force on the support grid

18

Upper, then press it with the gripper and the sample should be level.

2

The granular material selected according to the standard is evenly spread on the sample.

3

, turn on the power, turn on the power at the switch

15

.

4

At the timer

17

Set the power on time (press

GB

/

T17634-1998

Standard can be set to

600

Second, the instrument timer has two timing functions, which can be set to

0~99.99s

with

0

~

99

Minute

59s)

.

5

,water intake

14

Externally regulated water source, the shower head

10

Place a transparent cover

8

Inside, cover the splash cover and fasten the clip

7

, open the flow control valve

1 3

, spray water on the sample.

6

Press the start button

16

,start testing.

7

Passing the sample particles from the collection tank

3

Flow out and collect it.

8

After the set time has elapsed, stop the instrument from vibrating.

9

Collect untreated particulate material and sample.

10

Test results

GB/T17634-1998

Standard processing.

11

After the instrument is finished, turn off the power and clean the instrument:

Precautions:

l

The instrument has a certain vibration frequency when it works, and the workbench must be isolated from other equipment.

2

If sand is used as the test granule, please pay attention to the cleaning work of the instrument.

3

After the test is over, please clean the water and debris in the instrument.

4

Lubricate the eccentric shaft and the support spring, as well as other moving parts.