CN2672642Y - Detector for earth work synthetic material friction property - Google Patents

Detector for earth work synthetic material friction property Download PDF

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Publication number
CN2672642Y
CN2672642Y CN 200420041401 CN200420041401U CN2672642Y CN 2672642 Y CN2672642 Y CN 2672642Y CN 200420041401 CN200420041401 CN 200420041401 CN 200420041401 U CN200420041401 U CN 200420041401U CN 2672642 Y CN2672642 Y CN 2672642Y
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CN
China
Prior art keywords
fixed
shearing
briquetting
base
box
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200420041401
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Chinese (zh)
Inventor
韩刚
刘明
张明柱
丁民建
钟学宪
贠秀琴
张秀和
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SHAANXI HUASITE INSTRUMENT CO Ltd
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SHAANXI HUASITE INSTRUMENT CO Ltd
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Priority to CN 200420041401 priority Critical patent/CN2672642Y/en
Application granted granted Critical
Publication of CN2672642Y publication Critical patent/CN2672642Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a detecting machine for the friction property of earth work synthetic material. The earth work synthetic material is rising construction material which can be widely applied to water conservancy field, electric field, traffic field, constructional field, etc., to enlarge the strength of the earth body in multiples, but no determinatus detecting machine is provided to determine the friction property of the earth work synthetic material at present. The utility model is characterized in that a shear box and a drawing box which are respectively connected with a displacement sensor and a drawing pressure sensor are simultaneously arranged on a slide way of a platform. A pressing block and a jack are respectively arranged on the shear box and the drawing box. When the jack is stressed to cause the standard earth in the boxes to reach to the relevant pressure, variable-speed electric motors are respectively started to make bi-directional rotation, and thus, the direct shear friction property and the drawing friction property of the earth work synthetic material in the standard earth can be respectively detected. The utility model which has the advantages of especial scheme, novel structure, convenient operation, high detecting accuracy and wide regulating range provides accurate technical index for engineering design, and fills the blank of the detecting machine for the friction property of the earth work synthetic material. The utility model must be universally applied in various fields.

Description

A kind of geosynthetics frictional behaviour test machine
Technical field
The utility model belongs to mechanical field, particularly relates to a kind of geosynthetics frictional behaviour test machine.
Background technology
Geosynthetics is a kind of New Building Materials, its intensity height, flexible big, good corrosion resistance, cost is low, adaptability is strong, be embedded in the soil and surrounding soil formation compound system, when being out of shape under external applied load and deadweight effect, the frictional behaviour between geosynthetics and the soil directly has influence on the withstand voltage and anti-performance of drawing of compound system, the big more then complex of friction factor intensity is big more, so this technology is widely used in bank protection, dykes and dams, waterway regulation, retaining wall, treatment of soft foundation, highway and railway bed, the airport way, in all multiple-projects such as various cistern, relate to water conservancy, electric power, traffic, a plurality of fields such as building.This technology has been used for many years in developed country, and China also begins widespread use in recent years.Use this technology and at first will determine frictional behaviour between geosynthetics and the soil, because it is a leading indicator in the engineering design.At present, generally the means of testing of Cai Yonging is with feel range estimation, still unformed test mechanical.
The utility model content
The purpose of this utility model is that a kind of staight scissors frictional behaviour that can test geosynthetics of design can be tested the test machine of drawing rub performance again.
The utility model solves by the following technical programs:
On platform, be fixed with slideway, place on the slideway and shear base, shear in the base sliding roller is housed, place on the sliding roller and shear nowel, shear the nowel side anchor clamps are housed, reaction frame is fixed on to be sheared on the base, its middle part is by the adjustment piece that has been threaded, the adjustment piece is fixed and is placed with the shearing top box and shears on the nowel, shear the top box upper unit briquetting is arranged, briquetting links with being fixed on the dial gauge of shearing top box one side, and pressure transducer is equipped with on briquetting top, lifting jack is housed in the reaction frame on its top and is pressed on the pressure transducer, on the platform of shearing the base back, be fixed with speed reduction unit respectively, clutch coupling and change speed motor, be fixed with guide rail on the platform between speed reduction unit and the shearing base, speed reduction unit connects leading screw, is fixed with displacement transducer and pull pressure sensor on the leading screw.Pull pressure sensor is corresponding with the shearing nowel, and the displacement transducer bottom is connected mutually with guide rail.Device has the drawing case on the slideway of shearing base one side, and briquetting is equipped with on its top, and briquetting and the dial gauge that is fixed on drawing case side link, and are fixed with pressure transducer on the briquetting, lifting jack is housed in the reaction frame on its top and is pressed on the pressure transducer.Anchor clamps are equipped with in drawing case side, and the utility model also is furnished with the manipulation display board.
Description of drawings
Accompanying drawing 1 is the main TV structure synoptic diagram of the utility model embodiment.
Accompanying drawing 2 is the left TV structure synoptic diagram of the utility model embodiment.
Accompanying drawing 3 is that the utility model embodiment accompanying drawing 2A is to structural representation.
Accompanying drawing 4 is the utility model embodiment circuit process flow diagram.
The utility model embodiment description of reference numerals is as follows:
Shear base 1, anchor clamps 2, geosynthetics 3, dial gauge 4, briquetting 5, pressure transducer 6, lifting jack 7, reaction frame 8, adjust piece 9, shear top box 10, orienting lug 11, shear nowel 12, pull pressure sensor 13, displacement transducer 14, guide rail 15, leading screw 16, speed reduction unit 17, dial gauge 18, geosynthetics 19, briquetting 20, pressure transducer 21, lifting jack 22, reaction frame 23, plate 24, anchor clamps 25, change speed motor 26, clutch coupling 27, sliding roller 28, motor 29, slideway 30, platform 31, handle display board 32, drawing case 33.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present utility model is done and to be described in further detail:
On platform (31), be fixed with slideway (30), slideway (30) is gone up to place and is sheared base (1), shear in the base (1) sliding roller (28) is housed, sliding roller (28) is gone up to place and is sheared nowel (12), shear nowel (12) side anchor clamps (2) are housed, reaction frame (8) is fixed on to be sheared on the base (1), its middle part is by the adjustment piece (9) that has been threaded, adjustment piece (9) is fixed with shearing top box (10) and is placed and shears on the nowel (12), shear top box (10) upper unit briquetting (5) is arranged, briquetting (5) connects mutually with the dial gauge (4) that is fixed on shearing top box (10) one sides, pressure transducer (6) is equipped with on briquetting (5) top, lifting jack (7) is housed in the reaction frame on its top (8) and is pressed on the pressure transducer (6), on the platform (31) of shearing base (1) back, be fixed with speed reduction unit (17) respectively, clutch coupling (27) and change speed motor (26), on the platform (31) between speed reduction unit (17) and the shearing base (1), be fixed with guide rail (15), speed reduction unit (17) connects leading screw (16), be fixed with displacement transducer (14) and pull pressure sensor (13) on the leading screw (16), pull pressure sensor (13) is corresponding with shearing nowel (12), go up device at the slideway (30) of shearing base (1) one side drawing case (33) is arranged, briquetting (20) is equipped with on its top, briquetting (20) links with the dial gauge (18) that is fixed on drawing case (33) side, be fixed with pressure transducer (21) on the briquetting (20), lifting jack (22) is housed in the reaction frame on its top (23) and is pressed on the pressure transducer (21), anchor clamps (25) are equipped with in drawing case (33) side, and the utility model also is furnished with manipulation display board (32).
Orienting lug (11) is fixed on to be sheared on the base (1), and plate (24) is equipped with in drawing case (33) inboard, and speed reduction unit (17) one ends connect motor (29).
During test, at first will shear base (1) places and the corresponding position of pull pressure sensor (13), standard soil is inserted shearing nowel (12) and compacting, geosynthetics (3) is placed Tu Mianshang, the one end is clamped by anchor clamps (2), make shearing top box (10) and shearing nowel (12) reach appropriate gap by adjusting piece (9), satisfy and shearing top box (10) fill compaction, afterburning lifting jack (7), its briquetting (5) is compressed downwards shear the soil layer of top box (10) and reach required pressure, its value is shown to be handled on the display board (32), displacement is shown on the dial gauge (4), start change speed motor (26) this moment, connect clutch coupling (27), drive leading screw (16) by speed reduction unit (17) and advance, pull pressure sensor (13) promotes to shear nowel (12) and shears, shearing force is shown to by pull pressure sensor (13) and handles on the display board (32), and rate of displacement also is shown to by displacement transducer (14) and handles on the display board (32) simultaneously.To shear base (1) and push slideway (30) one sides to, drawing case (33) is pushed away only corresponding with pull pressure sensor (13) position and be connected on slideway (30) with it, adjusting plate (24) makes its drawing case gap suitable, in drawing case (33), insert standard soil, place between the standard soil geosynthetics (19) and compacting, geosynthetics (19) is clamped by anchor clamps (25), afterburning lifting jack (22), make its briquetting (20) compress the standard soil in the drawing case (33) downwards and reach required pressure, its value is shown to be handled on the display board (32), displacement is shown on the dial gauge (18), at this moment, back-to-back starting change speed motor (26), connect clutch coupling (27), drive leading screw (16) by speed reduction unit (17) and retreat, pull pressure sensor (13) retreats simultaneously together with anchor clamps (25) pulling geosynthetics, pulling capacity is shown to by pull pressure sensor (13) and handles on the display board (32) whole end of test (EOT).If cut-off clutch (27) is connected motor (29), can realize test and return fast.
The utility model design is peculiar, and novel structure is easy to operate, the measuring accuracy height, and speed adjustable range is big, has filled up the blank of China's geosynthetics attriting performance test mechanical, can generally promote the use of in a plurality of fields.

Claims (2)

1. geosynthetics frictional behaviour test machine, it is characterized in that on platform (31), being fixed with slideway (30), slideway (30) is gone up to place and is sheared base (1), shear in the base (1) sliding roller (28) is housed, sliding roller (28) is gone up to place and is sheared nowel (12), shear nowel (12) side anchor clamps (2) are housed, reaction frame (8) is fixed on to be sheared on the base (1), its middle part is by the adjustment piece (9) that has been threaded, adjustment piece (9) is fixed with shearing top box (10) and is placed and shears on the nowel (12), shear top box (10) upper unit briquetting (5) is arranged, briquetting (5) connects mutually with the dial gauge (4) that is fixed on shearing top box (10) one sides, pressure transducer (6) is equipped with on briquetting (5) top, lifting jack (7) is housed in the reaction frame on its top (8) and is pressed on the pressure transducer (6), on the platform (31) of shearing base (1) back, be fixed with speed reduction unit (17) respectively, clutch coupling (27) and change speed motor (26), on the platform (31) between speed reduction unit (17) and the shearing base (1), be fixed with guide rail (15), speed reduction unit (17) connects leading screw (16), be fixed with displacement transducer (14) and pull pressure sensor (13) on the leading screw (16), pull pressure sensor (13) is corresponding with shearing nowel (12), go up device at the slideway (30) of shearing base (1) one side drawing case (33) is arranged, briquetting (20) is equipped with on its top, briquetting (20) links with the dial gauge (18) that is fixed on drawing case (33) side, be fixed with pressure transducer (21) on the briquetting (20), lifting jack (22) is housed in the reaction frame on its top (23) and is pressed on the pressure transducer (21), anchor clamps (25) are equipped with in drawing case (33) side, also are furnished with manipulation display board (32) in addition.
2. a kind of geosynthetics frictional behaviour test machine according to claim 1 is characterized in that orienting lug (11) is fixed on the shearing base (1), and plate (24) is equipped with in drawing case (33) inboard, and speed reduction unit (17) one ends connect motor (29).
CN 200420041401 2004-01-05 2004-01-05 Detector for earth work synthetic material friction property Expired - Fee Related CN2672642Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420041401 CN2672642Y (en) 2004-01-05 2004-01-05 Detector for earth work synthetic material friction property

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Application Number Priority Date Filing Date Title
CN 200420041401 CN2672642Y (en) 2004-01-05 2004-01-05 Detector for earth work synthetic material friction property

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CN2672642Y true CN2672642Y (en) 2005-01-19

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328579C (en) * 2005-07-07 2007-07-25 新疆农业大学水利与土木工程学院 Non-granular material friction angle analyzer
CN101373174B (en) * 2008-07-16 2010-08-04 中国科学院武汉岩土力学研究所 Direct shear apparatus capable of directly measuring interface friction force
CN102980816A (en) * 2012-12-06 2013-03-20 重庆交通大学 Soil mass shearing rupture failure testing device and method
CN103383327A (en) * 2013-06-28 2013-11-06 中南大学 Large bidirectional dynamic/static direct-shearing machine for coarse-grained soil contact interface tests
CN103674706A (en) * 2013-12-18 2014-03-26 湖北工业大学 Pullout and model dual-purpose test device for reinforced earth structure of tire as well as test measurement method
CN103743629A (en) * 2013-12-25 2014-04-23 广西科技大学 Geogrid shearing test device
CN103759957A (en) * 2013-12-25 2014-04-30 广西科技大学 Geogrid pull-out test device
CN103776696A (en) * 2014-03-03 2014-05-07 中国科学院地质与地球物理研究所 Drawing and shear testing device for geosynthetics
CN104034654A (en) * 2014-06-03 2014-09-10 同济大学 Geosynthetic interface vibrating platform model test device with variable dip angle
CN105136586A (en) * 2015-08-25 2015-12-09 山西省交通科学研究院 Direct shear and draw test instrument for anisotropy of geotechnical materials and implementation method thereof
CN106769841A (en) * 2016-11-30 2017-05-31 燕山大学 Solid particulate matter mantle friction test device and method under a kind of vibrational excitation
CN109655401A (en) * 2019-01-04 2019-04-19 西安交通大学 A kind of pressure changeable planar friction kinetic damping characteristic test device of metal material

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328579C (en) * 2005-07-07 2007-07-25 新疆农业大学水利与土木工程学院 Non-granular material friction angle analyzer
CN101373174B (en) * 2008-07-16 2010-08-04 中国科学院武汉岩土力学研究所 Direct shear apparatus capable of directly measuring interface friction force
CN102980816A (en) * 2012-12-06 2013-03-20 重庆交通大学 Soil mass shearing rupture failure testing device and method
CN102980816B (en) * 2012-12-06 2016-03-30 重庆交通大学 Soil body shear fracture failure test device and method
CN103383327A (en) * 2013-06-28 2013-11-06 中南大学 Large bidirectional dynamic/static direct-shearing machine for coarse-grained soil contact interface tests
CN103674706B (en) * 2013-12-18 2015-09-16 湖北工业大学 The dual-purpose test unit of tire earth structure pull-out model test and test measuring method
CN103674706A (en) * 2013-12-18 2014-03-26 湖北工业大学 Pullout and model dual-purpose test device for reinforced earth structure of tire as well as test measurement method
CN103743629A (en) * 2013-12-25 2014-04-23 广西科技大学 Geogrid shearing test device
CN103759957A (en) * 2013-12-25 2014-04-30 广西科技大学 Geogrid pull-out test device
CN103776696A (en) * 2014-03-03 2014-05-07 中国科学院地质与地球物理研究所 Drawing and shear testing device for geosynthetics
CN103776696B (en) * 2014-03-03 2016-05-04 中国科学院地质与地球物理研究所 A kind of geosynthetics cut resistance test method
CN104034654A (en) * 2014-06-03 2014-09-10 同济大学 Geosynthetic interface vibrating platform model test device with variable dip angle
CN105136586A (en) * 2015-08-25 2015-12-09 山西省交通科学研究院 Direct shear and draw test instrument for anisotropy of geotechnical materials and implementation method thereof
CN106769841A (en) * 2016-11-30 2017-05-31 燕山大学 Solid particulate matter mantle friction test device and method under a kind of vibrational excitation
CN109655401A (en) * 2019-01-04 2019-04-19 西安交通大学 A kind of pressure changeable planar friction kinetic damping characteristic test device of metal material

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CF01 Termination of patent right due to non-payment of annual fee
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