CN102175132B - Full-automatic thickness tester for geo-technical synthetic material - Google Patents

Abstract

The invention relates to a fully automatic thickness measuring instrument for geosynthetic materials, which comprises a base, a gantry frame, a moving beam, a test component and a control box. The gantry frame is fixedly connected to the base, and a gantry bottom plate is arranged on the base. The thickness test unit and the test platform, the pressure test unit is fixedly connected to the moving beam of the gantry, the thickness test unit is fixed on the base, and the test platform is fixedly connected to the bottom plate of the gantry. The invention has the advantages that the whole testing process is automated, and can automatically print out statistical reports and logarithmic curves of thickness changes, saving time and labor, simple operation and high work efficiency.

Description

Automatic Geosynthetics Thickness Tester

technical field

The invention relates to a measuring instrument, in particular to an automatic geosynthetic material thickness measuring instrument.

Background technique

The thickness and thickness change of geosynthetics are important indicators of geosynthetics. Geosynthetics thickness tester is a test instrument for measuring the thickness and thickness changes of various geosynthetics under different pressures. The current product is among the existing products , are all manual mechanical structures, using the method of booster levers and weights to pressurize the presser foot, so that manual pressure, manual control of pressurization time, manual reading, and manual drawing of logarithmic curves of thickness changes are time-consuming. Laborious again, work efficiency is lower. Therefore, an improved technology is urgently needed to solve this problem.

Contents of the invention

The purpose of the present invention is to provide a fully automatic geosynthetic material thickness measuring instrument, which overcomes the shortcomings in the prior art that it can only be operated manually, the voltage stabilization time can only be controlled manually, read manually, and manually draw a logarithmic curve of thickness change. the

The technical scheme adopted in the present invention is:

The automatic geosynthetics thickness measuring instrument comprises a base, a gantry frame, a moving beam, a test part and a control box, the gantry frame is fixedly connected to the base, a gantry bottom plate is provided on the base, and the test part includes a pressure A test unit, a thickness test unit and a test platform, the pressure test unit is fixedly connected to the moving beam of the gantry, the thickness test unit is fixed on the base, and the test platform is fixedly connected to the bottom plate of the gantry.

The pressure test unit includes a pressure sensor, a pressure rod, a spring sleeve, a compression spring, a connecting plate and a presser foot. The upper end of the pressure sensor is fixed on the moving beam, and the lower end of the pressure sensor is connected to the upper end of the pressure rod through a nut. The lower end of the pressure rod is sleeved with a compression spring, the pressure rod sleeved with the compression spring is inserted into the spring sleeve and fixed by a cylindrical pin, the bottom of the spring sleeve is fixed on the connecting plate, and the end surface of the connecting plate is closely attached to the presser foot and connected by connecting screws.

The thickness testing unit includes a dial gauge support, a digital display dial gauge, a moving bracket, an adjustment screw, an adjustment clip spring and a nut, the digital display dial gauge is fixed on the dial gauge bracket, and the dial gauge The bracket is fixed on the base, the measuring end of the digital display dial gauge is pushed against the top surface of the nut, the bottom surface of the nut is connected with the upper end of the adjusting screw, the adjusting compression spring is sleeved on the adjusting screw, and the The adjustment screw passes through the plane of the mobile bracket and is fixed on one end of the mobile bracket, and the other end of the mobile bracket is fixed on the spring sleeve.

The test platform includes a test reference plate, bearing pins and double-row radial ball bearings, the double-row radial ball bearings are fixed on the bottom plate of the gantry frame, and the bearing pins pass through the double-row radial ball bearings and the test reference plate connect.

Beneficial effects of the present invention:

It can automatically and continuously measure the thickness of geosynthetic materials. The number of tests, voltage stabilization time, and test methods can be set arbitrarily, and it can automatically print statistical analysis reports and logarithmic curves of thickness changes, which can improve work efficiency and reduce the workload of operators. , to avoid errors in manual readings. The whole test process is automated, and can automatically print out statistical reports and logarithmic curves of thickness changes, saving time and effort, simple operation, and high work efficiency.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic structural diagram of the test unit of the present invention.

Among them: 1. Base, 2. Test parts, 3. Moving beam, 4. Gantry frame, 5. Force sensor, 6. Gantry frame bottom plate, 7. Control box, 8. Pressure rod, 9. Spring sleeve, 10. Compression Spring, 11, connecting screw, 12, connecting plate, 13, presser foot, 14, double row radial ball bearing, 15, bearing pin, 16, digital display dial indicator, 17, nut, 18, adjusting compression spring, 19. Mobile support, 20. Adjusting screw, 21. Dial gauge support, 22. Test reference plate, 23. Nut, 24. Cylindrical pin, 25. Measuring end.

Detailed ways

As shown in Figures 1 and 2, the automatic geosynthetics thickness measuring instrument of the present invention comprises a base 1, a portal frame 4, a moving beam 3, a test component 2 and a control box 7, and the portal frame 4 is fixedly connected to the base 1, The base 1 is provided with a gantry bottom plate 6, and the test component 2 includes a pressure test unit, a thickness test unit and a test platform. The pressure test unit is fixedly connected to the movable beam 3 of the gantry 4, and the thickness test unit is fixed on the base 1. The platform is fixedly connected to the gantry bottom plate 6, and the control box 7 controls the movement of the instrument and collects data of pressure and thickness;

The pressure test unit includes a pressure sensor 5, a pressure rod 8, a spring sleeve 9, a compression spring 10, a connecting plate 12 and a presser foot 13. The upper end of the pressure sensor 5 is fixed on the moving beam 3, and the lower end of the pressure sensor 5 is connected to the pressure rod 8 through a nut 23. The upper end of the compression rod 8 is connected with the compression spring 10, the compression rod 8 sleeved with the compression spring 10 is inserted into the spring sleeve 9 and fixed by the cylindrical pin 24, the bottom of the spring sleeve 9 is fixed on the connecting plate 12, and the connection The end surface of the plate 12 is close to the presser foot 13 and connected by the connecting screw 11;

Thickness test unit includes dial gauge support 21, digital display dial gauge 16, mobile bracket 19, adjustment screw 20, adjustment compression spring 18 and nut 17, digital display dial gauge 16 with communication function, digital display dial gauge 16 is fixed on the dial gauge bracket 21, the dial gauge bracket 21 is fixed on the base 1, the measuring end 25 of the digital display dial gauge 16 is on the top surface of the nut 17, the bottom surface of the nut 17 is connected with the upper end of the adjusting screw 20 connection, the adjusting compression spring 18 is sleeved on the adjusting screw 20, the adjusting screw 20 passes through the plane of the moving bracket 19 and is fixed on one end of the moving bracket 19, and the other end of the moving bracket 19 is fixed on the spring sleeve 9; the test platform includes a test reference plate 22 , bearing pin 15 and double-row radial ball bearing 14, double-row radial ball bearing 14 is fixed on the gantry base plate 6, and bearing pin 15 passes through double-row radial ball bearing 14 and is connected with test reference plate 22.

The operation process of the present invention is: set the test parameters before the test, such as sample number, test times, voltage stabilization time, nominal thickness, etc., and then perform automatic zero-point correction of the thickness; when loading the sample, the moving beam 3 moves upward to drive the presser foot 13 At the upper limit position, place the sample on the test reference plate 22; after pressing the start button during the test, the moving beam 3 moves downward and acts on the presser foot 13 through the compression spring 10 to buffer and pressurize the sample to reach the specified pressure value After maintaining this pressure value, the instrument will automatically collect the thickness value in the digital display dial indicator 16 with communication function after the specified pressure stabilization time, and then continue to pressurize to reach another specified pressure value, so that it can automatically and continuously measure After testing the thickness of different pressures, the presser foot 13 will automatically rise, and the instrument will automatically perform statistical settlement, and automatically print out statistical reports and logarithmic curves of thickness changes.

Claims (1)

1. The full-automatic geosynthetics thickness measuring instrument comprises a base, a gantry frame, a moving beam, a test component and a control box, the gantry frame is fixedly connected to the base, and the gantry frame bottom plate is provided on the base, and it is characterized in that: The test components include a pressure test unit, a thickness test unit and a test platform, the pressure test unit is fixedly connected to the moving beam of the gantry, the thickness test unit is fixed on the base, and the test platform is fixedly connected to the gantry On the bottom plate, the pressure test unit includes a pressure sensor, a pressure rod, a spring sleeve, a compression spring, a connecting plate and a presser foot, the upper end of the pressure sensor is fixed on the moving beam, and the lower end of the pressure sensor is connected to the upper end of the pressure rod through a nut. Connection, the lower end of the pressure rod is sleeved with a compression spring, the pressure rod sleeved with the compression spring is inserted into the spring sleeve and fixed by a cylindrical pin, the bottom of the spring sleeve is fixed on the connecting plate, and the end surface of the connecting plate is close to the It is connected to the presser foot and connected by connecting screws. The thickness testing unit includes a dial gauge bracket, a digital display dial gauge, a moving bracket, an adjustment screw, an adjustment compression spring and a nut. The digital display dial gauge is fixed on the dial gauge On the table support, the dial indicator support is fixed on the base, the measuring end of the digital display dial indicator is on the top surface of the nut, the bottom surface of the nut is connected with the upper end of the adjustment screw, and the adjustment spring Socketed on the adjustment screw, the adjustment screw passes through the plane of the mobile bracket and is fixed on one end of the mobile bracket, and the other end of the mobile bracket is fixed on the spring sleeve. The test platform includes a test reference plate, a bearing pin and a double row A radial ball bearing, the double-row radial ball bearing is fixed on the bottom plate of the gantry frame, and the bearing pin passes through the double-row radial ball bearing to connect with the test reference plate.

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