CN202757846U - Multi-functional shearing tester - Google Patents
Multi-functional shearing tester Download PDFInfo
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- CN202757846U CN202757846U CN2012202795599U CN201220279559U CN202757846U CN 202757846 U CN202757846 U CN 202757846U CN 2012202795599 U CN2012202795599 U CN 2012202795599U CN 201220279559 U CN201220279559 U CN 201220279559U CN 202757846 U CN202757846 U CN 202757846U
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- down cut
- box
- cut box
- charging assembly
- upper shear
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Abstract
The utility model relates to a multi-functional shearing tester. The multi-functional shearing tester comprises a horizontal loading assembly, a vertical loading assembly, a data collecting assembly, and a data handling module, wherein the vertical loading assembly and the horizontal loading assembly are respectively connected with ready-to test materials. The horizontal loading assembly is connected with the data collecting assembly which is connected with the data handling module. Compared with the prior art, the multi-functional shearing tester has the advantages of being wide in using range, simple in operating steps, high in testing precision and the like.
Description
Technical field
The utility model relates to a kind of experiment test device field of geomaterial performance, especially relates to a kind of multi-functional shearing tester.
Background technology
As everyone knows, the engineering accident that frequent generation causes owing to the soil body is unstable in real life, geologic hazards such as soil body landslide, rubble flow and settlement of foundation occurs, directly have influence on the people's lives and property safety and socioeconomic development, its basic reason is between soil and the soil shearing slip to occur, how to measure soil and the shearing force of soil at the surface of contact place, designed a lot of shear test proving installations and satisfied testing requirements; Same generation for fear of this type of geologic hazard, the scientific research personnel designs the geosynthetics of some soil mass consolidations, to strengthen mechanical property and the resistance to overturning of the soil body, such as GSZ, geotechnical grid and geotextile etc., a large amount of application is arranged in building and hydraulic engineering, but the friction force of the surface of contact of the soil body and geosynthetics is to weigh the key factor of its consolidation effect, usually adopt geosynthetics from the soil body, to extract, to measure its shearing force, weigh the consolidation effect of geosynthetics.
In sum, the shearing test test has great importance in practical engineering application, cutting performance for the different materials that needs in the above-mentioned Practical Project to measure, and present boxshear apparatus, only can satisfy the test job of certain surface of contact, function singleness, complex operation, degree of accuracy is lower, be difficult to satisfy the test job of present test, present soil body shear box for example, there is certain size effect, and can't carry out the test of other surface of contact, therefore need a multiple use, simple to operate and precision higher shear tester is to satisfy the large-scale accurately test experiments work of current Practical Project.
Summary of the invention
Purpose of the present invention is exactly to provide in order to overcome the defective that above-mentioned prior art exists that a kind of scope of application is wide, operation steps is simple, the more much higher function shear tester of test accuracy.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of multi-functional shearing tester, it is characterized in that, comprise horizontal charging assembly, vertical charging assembly, data acquisition assembly and data processing module, described vertical charging assembly, horizontal charging assembly are connected with material to be tested respectively, described horizontal charging assembly is connected with the data acquisition assembly, and described data acquisition assembly is connected with data processing module.
Described horizontal charging assembly comprises workbench, parallel support, stepper motor, thruster, upper shear box, down cut box, bar clamp and bearing diagonal, described parallel support, stepper motor and thruster all are fixed on the workbench, described down cut box is fixed in the parallel support, after being symmetrical arranged, described upper shear box and down cut box be formed for the space of accommodating material to be tested, described clamp is located on the down cut box, described bearing diagonal one end is fixed on the workbench, and the other end is connected with upper shear box.
Described parallel support be provided with for place the down cut box without friction pulley.
The interior length of side of described upper shear box is the square of 200mm, and the center position of its two sides is provided with for the rectangle hole of placing transparent toughened glass.
The xsect of described down cut box is identical with upper shear box, the center position of its two sides is provided with the symmetrically arranged rectangle cavity, rectangle cavity with upper shear box, described clamp is located at the upper position of down cut box, and respectively arrange two rolamites in the both sides, top of down cut box, this roller bearing exceeds down cut box 1mm.
The thickness of described steel plate is 15mm, and the length of side of rectangle hole is 100mm, highly for 50mm.
Described vertical charging assembly comprises cover plate, pull bar, hook and counterweight, and described cover plate is located in the shear box and covers material to be tested, and is connected with pull bar, and described pull bar is connected with hook, and described hook is connected with counterweight.
Described data acquisition assembly comprises pressure transducer, displacement transducer, vertical supporting, wireless launcher, receiver and computing machine, described pressure transducer is located at an end of down cut box and is fixedly connected with thruster, described displacement transducer is located at the other end of down cut box and is fixed on the vertical supporting, described pressure transducer and displacement transducer all connect by wireless transmitter and receiver, and described receiver is connected with computing machine.
Compared with prior art, the utlity model has following advantage:
(1) the utility model device is made simply, has multifunctionality, can be to the surface of contact shearing test of the homogenous material of routine, and can be to the surface of contact shearing test of geosynthetics and the soil body;
(2) the utility model device shear box is the square of interior length of side 200mm, effectively reduces size effect, and the maximum shear displacement is 40mm, effectively reduces boundary effect, has improved the degree of accuracy of test;
(3) the utility model device arranges all that in shear box center up and down the length of side is the foursquare transparent toughened glass of 100mm, can be in the process of the test, and the variation of surface of contact is observed;
(4) the utility model device operation steps is simple, and intelligent degree is higher, can realize automatic collection, figure demonstration and the processing etc. of data;
(5) take wireless transmitting system, can realize remote observation, check and process the experiment situation.
Description of drawings
Fig. 1 is upper shear box structural representation of the present utility model;
Fig. 2 is down cut box structural representation of the present utility model;
Fig. 3 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 3, a kind of multi-functional shearing tester, comprise horizontal charging assembly, vertical charging assembly, data acquisition assembly and data processing module, the vertical loading of described vertical charging assembly material to be tested, described horizontal charging assembly is treated the shearing that test material carries out surface of contact, and gather its pressure and displacement data and send to data processing module by the data acquisition assembly, described data processing module carries out data to it and preserves and show by figure.
Described horizontal charging assembly comprises workbench 13, parallel support 8, stepper motor 4, thruster 5, upper shear box, the down cut box, bar clamp 2 and bearing diagonal 12, described parallel support 8, stepper motor 4 and thruster 5 all are fixed on the workbench 13, described down cut box is fixed in the parallel support 8, after being symmetrical arranged, described upper shear box and down cut box be formed for the space of accommodating material to be tested, described clamp 2 is located on the down cut box, described bearing diagonal 12 1 ends are fixed on the workbench 13, and the other end is connected with upper shear box.
Described vertical charging assembly 14 comprises cover plate 9, pull bar, hook and counterweight, described cover plate 9 is located in the shear box and covers material to be tested, and be connected with pull bar, described pull bar is connected with hook, described hook is connected with counterweight, counterweight drives hook, pull bar and cover plate successively, realizes treating the vertical loading of test material.
Described data acquisition assembly comprises pressure transducer 6, displacement transducer 11, vertical supporting 10, wireless launcher, receiver and computing machine, described pressure transducer 6 is located at an end of down cut box and is fixedly connected with thruster 5, described displacement transducer 11 is located at the other end of down cut box and is fixed on the vertical supporting 10, described pressure transducer 6 is connected with displacement transducer all and is connected by wireless transmitter and receiver, and described receiver is connected with computing machine.
As shown in Figure 1, the upper shear box of the utility model device, adopting thickness is the steel plate of 15mm, welding assembly is that the interior length of side is the square of 200mm, center position in two sides, cut out the length of side and be 100mm, highly be the rectangle hole of 50mm, and at hole limit fluting, transparent toughened glass 1 embeds in the hole.
As shown in Figure 2, the down cut box of the utility model device, adopting thickness is the steel plate of 15mm, welding assembly is that the interior length of side is the square of 200mm, center position in two sides, cut out the length of side and be 100mm, highly be the rectangle hole of 50mm, and slot on the hole limit, transparent toughened glass 1 embeds in the hole, at the down cut box top of the utility model device fixed strip clamp 2, and respectively arrange 2 rolamites 3 in both sides, down cut box top, roller bearing exceeds down cut box 1mm, protects just up and down zerofriction force between the shear box.
Below be the Specific construction process of the utility model embodiment:
(1) steel column, girder steel and the steel plate of being connected are connected, be combined as workbench 13, successively stepper motor 4 and thruster 5 are fixed on the workbench 13, pressure transducer 6 is fixedly connected with thruster 5;
(2) according to shear displacemant size, two groups of parallel supports 8 are fixed on the workbench 13, every group of parallel support 8 with two without friction pulley 7, exceed parallel support 8 without friction pulley 7 and be 1mm;
(3) the down cut box is positioned over parallel support 8 without on the friction pulley 7, upper shear box is positioned on the rolamite 3 on the down cut box symmetrically, it is 1mm that rolamite 3 exceeds the down cut box, and with pin up and down shear box fix;
(4) in shear box, place the material that need to carry out the surface of contact shearing, then cover plate 9 is placed in the upper shear box, then displacement meter 11 is fixed on the vertical supporting 10, oblique support 12 and upper shear box are fixed;
(5) different material laying methods is adopted in different shearing test tests in shear box.For the shear test of homogenous material, for example sandy soil and clay are evenly put into shear box with material, can test; Shear test for geosynthetics and the soil body, such as GSZ, geotechnical grid and geotextile etc., with the square bar of geosynthetics cutting width less than 200mm, in the down cut box, fill up the soil body, geosynthetics is tiled on the soil body in the down cut box, and with the fixing end of geosynthetics of bar clamp, then place upper shear box and fill the soil body within it, then carry out load test;
(6) use vertical charging assembly 14 vertically to load, start stepper motor 4 and load, the software of operation exploitation carries out real time record, figure demonstration and preservation to data, in the surface of contact shear history, can observe the collapse state of surface of contact by transparent toughened glass.
Can be found out by the above embodiments, the utility model device scope of application is wide, operation steps is simple and test accuracy is higher, can satisfy the requirement of present Practical Project large-scale experiment.
Claims (7)
1. multi-functional shearing tester, it is characterized in that, comprise horizontal charging assembly, vertical charging assembly, data acquisition assembly and data processing module, described vertical charging assembly, horizontal charging assembly are connected with material to be tested respectively, described horizontal charging assembly is connected with the data acquisition assembly, and described data acquisition assembly is connected with data processing module.
2. a kind of multi-functional shearing tester according to claim 1, it is characterized in that, described horizontal charging assembly comprises workbench, parallel support, stepper motor, thruster, upper shear box, the down cut box, bar clamp and bearing diagonal, described parallel support, stepper motor and thruster all are fixed on the workbench, described down cut box is fixed in the parallel support, after being symmetrical arranged, described upper shear box and down cut box be formed for the space of accommodating material to be tested, described clamp is located on the down cut box, described bearing diagonal one end is fixed on the workbench, and the other end is connected with upper shear box.
3. a kind of multi-functional shearing tester according to claim 2 is characterized in that, described parallel support be provided with for place the down cut box without friction pulley.
4. a kind of multi-functional shearing tester according to claim 2 is characterized in that, the interior length of side of described upper shear box is the square of 200mm, and the center position of its two sides is provided with for the rectangle hole of placing transparent toughened glass.
5. a kind of multi-functional shearing tester according to claim 4, it is characterized in that, the xsect of described down cut box is identical with upper shear box, the center position of its two sides is provided with the symmetrically arranged rectangle cavity, rectangle cavity with upper shear box, described clamp is located at the upper position of down cut box, and respectively arrange two rolamites in the both sides, top of down cut box, this roller bearing exceeds down cut box 1mm.
6. a kind of multi-functional shearing tester according to claim 2, it is characterized in that, described vertical charging assembly comprises cover plate, pull bar, hook and counterweight, described cover plate is located in the shear box and covers material to be tested, and be connected with pull bar, described pull bar is connected with hook, and described hook is connected with counterweight.
7. a kind of multi-functional shearing tester according to claim 2, it is characterized in that, described data acquisition assembly comprises pressure transducer, displacement transducer, vertical supporting, wireless launcher, receiver and computing machine, described pressure transducer is located at an end of down cut box and is fixedly connected with thruster, described displacement transducer is located at the other end of down cut box and is fixed on the vertical supporting, described pressure transducer and displacement transducer all connect by wireless transmitter and receiver, and described receiver is connected with computing machine.
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CN2012202795599U CN202757846U (en) | 2012-06-13 | 2012-06-13 | Multi-functional shearing tester |
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CN2012202795599U CN202757846U (en) | 2012-06-13 | 2012-06-13 | Multi-functional shearing tester |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106769539A (en) * | 2016-12-02 | 2017-05-31 | 中国地质大学(武汉) | A kind of Rock And Soil shear rheology instrument for considering seepage stress chemical Coupling |
-
2012
- 2012-06-13 CN CN2012202795599U patent/CN202757846U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106769539A (en) * | 2016-12-02 | 2017-05-31 | 中国地质大学(武汉) | A kind of Rock And Soil shear rheology instrument for considering seepage stress chemical Coupling |
CN106769539B (en) * | 2016-12-02 | 2019-07-09 | 中国地质大学(武汉) | A kind of consideration seepage-stress-chemical Coupling Rock And Soil shear rheology instrument |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150613 |
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EXPY | Termination of patent right or utility model |