CN102621044B - Multifunctional ring shear apparatus - Google Patents
Multifunctional ring shear apparatus Download PDFInfo
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- CN102621044B CN102621044B CN 201210081081 CN201210081081A CN102621044B CN 102621044 B CN102621044 B CN 102621044B CN 201210081081 CN201210081081 CN 201210081081 CN 201210081081 A CN201210081081 A CN 201210081081A CN 102621044 B CN102621044 B CN 102621044B
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- down cut
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- 238000010008 shearing Methods 0.000 claims description 12
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- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000003319 supportive effect Effects 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 abstract description 5
- 239000004575 stone Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
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Abstract
The invention relates to a multifunctional ring shear apparatus, which is applicable to measuring shear resistance of granular materials such as soil, stones and the like and volume change of the granular materials during shear. The multifunctional ring shear apparatus mainly comprises a main unit, a hydraulic lifting system, a rotary power system, a measuring system, a frame and the like, wherein the main unit, the rotary power system, the hydraulic lifting system and the measuring system are respectively fixed onto the frame, and the main unit comprises a shaft, an upper shear box, a lower shear box, a bearing flange and the like. A ring shear box provides a horizontal shear mode, a vertical shear mode and different roughness conditions, bulk granular materials such as the soil, the stones and the like flow in the ring shear box, the shear force of sheared surfaces of the granular materials is measured during flowing, and the ring shear box can be replaced in use. The multifunctional ring shear apparatus can be used for accurately measuring volume control, vertical pressure control, shear rate control, the shear force, shear rate, the volume change, pressure and the like of action objects.
Description
Technical field
The present invention relates to a kind of multi-functional ring shear apparatus, be applicable to measure the anti-shearing force of the particulate materials such as soil, stone and the volume change in shear history.
Background technology
In recent years, along with Geotechnical Engineering and particle development of mechanics, cut device for research with the ring of particulate matter mechanical property under flow state of soil, Shi Weizhu and more and more paid close attention to.The ring of China's research is at present cut the device master and is relied on external import.
Known document has: large high-speed ring shear test machine and the application in research on landslide thereof; Yang Zhishuan, Xu Qingtao, Liu Zhenghua, Zhao Shuyun; Changchun Univ. of Science ﹠ Technology's journal; 2001,31 (2): 163-167; Exploitation and the application of large high-speed ring shear test machine; Yang Zhishuan, Sun Lihua, Wang Ying; Experimental technique and management, 2007,24 (4): 55-57; These documents are all that the ring shear test machine by Introduced from Japan carries out quasi-static shear test to being consolidated into whole rock-soil material.This device can play the effect that hoop is sheared to effective object, but effective object comparatively limit to can not to discrete granule fluid material test and condition comparatively single.Therefore develop a kind ofly take Loose Bodies as research object, the controlled and multi-functional ring cut mode diversification of the multiparameters such as pressure, speed, volume is cut device and is had realistic meaning.
Summary of the invention
The invention provides a kind of multi-functional ring shear apparatus, this annular shear box is in mobile state the Loose Bodies such as soil, stone in shear box, and measures particulate matter is subject to shear surface in flow process shearing force; Adopt replaceable shear box design, level, vertical two kinds of cut modes and different roughness condition are provided.This device has also been realized the control of effective object volume, and vertical pressure is controlled, and shear rate is controlled; Shearing force, shear rate, volume change, the measurement of pressure is comparatively accurate.
Technical scheme of the present invention is as follows:
A kind of multi-functional ring shear apparatus comprises main frame, hydraulic lifting system, rotary power system, measuring system and framework five parts.Main frame, rotary power system, hydraulic lifting system, measuring system are separately fixed on framework.
Main frame comprises axle, upper shear box, down cut box and bearing flange; Main frame is centered by axle, the external bearing flange of spindle in conical bearing and lower ball bearing, in flange bracket, spindle is held the external desktop of flange, in down cut box pallet, spindle is held external down cut box, the external bearing bracket stand of spindle in upper ball bearing and middle ball bearing, the spindle bolster connects shear box outward in linear bearing, and upper shear box top is upper cover.
conical bearing plays a supportive role to axle and the right alignment of fixing and Control Shaft and bearing flange together with lower ball bearing, reduce simultaneously the friction factor between axle and bearing flange, be that axle can be in the inner rotation arbitrarily of bearing flange, bearing flange is connected and fixed on the table by nut and flange bracket, the shaft shoulder of axle down cut box pallet is played a supportive role and by the spline on axle to down cut box pallet transmitting rotary power, the down cut box rotates with axle, the down cut box is fixed on down cut box pallet by nut, the down cut box rotates with axle, upper ball bearing and middle ball bearing are fixed on bearing bracket stand by clamp one and clamp two, right alignment between Control Shaft bolster and axle and reduce axle and bearing bracket stand between friction factor, be that axle can rotate at the bearing bracket stand internal freedom, linear bearing is fixed on upper shear box by clamp three, the right alignment between upper shear box and bearing bracket stand that keeps linear bearing also reduces the friction factor between upper shear box and bearing bracket stand, upper shear box can rotate arbitrarily and vertically move up and down along bearing bracket stand around bearing bracket stand, upper cover is fixed on by nut that upper shear box top is convenient adds lubricating oil to parts such as bearings.In the process of axle rotation, it is active surface that the rotation of axle drive down cut box makes the down cut face, and upper shear surface is driven surface and maintains static, and this moment the effective object in shear box has been formed the effect of shearing.
The down cut box is fixed on down cut box pallet by nut, thereby can be more convenient change the parameters such as shear area by changing shear box, makes the shear box position have good opening.
Upper shear surface one is fixed on upper shear box by nut, and down cut face one is fixed on the down cut box by nut, and coarse shear surface upper and lower surface can produce horizontal shear force to the effective object in shear box.
Upper shear surface two is fixed on upper shear box by nut, and down cut face two is fixed on the down cut box by nut, and coarse shear surface upper and lower surface can produce vertical shearing force to the effective object in shear box.
Rotary power system comprises that frequency converter, variable-frequency motor and reductor form, variable-frequency motor is horizontally fixed on base of frame by nut, the output shaft of variable-frequency motor is connected by the input shaft of shaft coupling with the reductor horizontal direction, the defeated output shaft straight up of reductor is connected by shaft coupling with the lower end of axle, therefore axle rotates along with the motor output shaft rotation, and reductor is with the rotation direction half-twist of variable-frequency motor.
Hydraulic lifting system comprises hydraulic lifting arm and vertical load loading arm loading arm; Hydraulic lifting arm one end is fixed on upper shear box by nut, and an end is fixed on hydraulic hoist by nut, and hydraulic hoist passes to upper shear box by the hydraulic lifting arm with the load and displacement of vertical direction, and hydraulic hoist is fixed on framework simultaneously.
Measuring system comprises knotmeter, displacement transducer and pressure transducer and torque sensor.Knotmeter is fixed on framework, desktop below, can make the laser beam aiming axis and measure rotating speed by receiving reflection wave; Displacement transducer is fixed on framework, and the below of hydraulic lifting arm is measured the displacement of upper shear box thereby the displacement of hydraulic lifting arm is measured; Pressure transducer is fixed on the strong point of hydraulic hoist to the hydraulic lifting arm, thereby the pressure of measuring between hydraulic hoist and hydraulic lifting arm is measured upper shear box to the pressure of effective object in shear box; Torque sensor is fixed on hydraulic lifting arm and hydraulic hoist level connection joint place, indirectly measures effective object to the shearing force of upper shear box by the horizontal pressure force of measuring between hydraulic lifting arm and hydraulic hoist.
Technical characterstic of the present invention has:
1, the present invention provides a continuous flow environment of being sheared and the move distance upper limit to can be considered unlimited for Loose Bodies such as soil, stones.
2, down cut box of the present invention can be torn open from down cut box pallet
3, unload, change the shear box of different volumes, shape according to user's requirement.Fix by being inverted countersunk nut between down cut box and down cut face, both like shear surface replaceable, the impact of the nut of avoiding again on shear surface.
4, the present invention can provide by changing shear surface the horizontal shear force of different coefficients of friction.
5, the present invention can provide by changing shear surface the vertical shearing force of different coefficients of friction.
6, the present invention can provide different shear rates for effective object by the rotating speed that changes axle.
7, the present invention can provide different pressure at right angles to the effective object that act as of upper shear box by hydraulic hoist.
8, upper shear box of the present invention can vertically move up and down.
Description of drawings
Accompanying drawing 1 is the multi-functional ring shear apparatus one-piece construction of the present invention schematic diagram.
Accompanying drawing 2 is main frame schematic diagram of the present invention.
Accompanying drawing 3 is the schematic diagram of shear box position water straight snips tangent plane structure of the present invention.
Accompanying drawing 4 is the schematic diagram of the vertical shear surface structure in shear box of the present invention position.
In figure: 1 variable-frequency motor and frequency converter; 2 reductors; 3 rotational speed meters; 4 main frames; 5 displacement transducers; 6 frequency converters;
7 hydraulic lifting arms; 8 hydraulic lifts; 9 frameworks; 10 upper covers; Shear box on 11; 12 bearing bracket stands; Ball bearing on 13; 14 linear bearings; 15 axles; Ball bearing in 16; On 17, shear surface one; 18 down cut boxes; 19 down cut faces one;
20 down cut box pallets; 21 flange brackets; 22 bearing flanges; 23 conical bearings; 24 times ball bearings; On 25, shear surface two; 26 down cut faces two; 27 torque sensor 28 pressure transducers; 29 desktops; A1-A7 is nut; B1-B3 is the bearing clamp.
Embodiment
Below in conjunction with accompanying drawing by structure of the present invention, operating process, test process and embodiment are further described.
In Fig. 1, the present invention is mainly with the frame supported total.Variable-frequency motor 1, frequency converter 6 are connected by shaft coupling C1 with worm-gear speed reducer 2 use, and are fixed on base of frame with nut.B4 is desktop in framework, is welded on framework and supports with angle steel, and the flange bracket 21 of main frame is fixed on desktop B4 by nut A1, guarantees that simultaneously axle 15 lower ends are connected by shaft coupling C2 straight line with the output shaft of worm-gear speed reducer 2.Hydraulic lift 8 is arranged on frame side wall position as shown in the figure, and hydraulic lifting arm 7 one ends are fixed on that on hydraulic means, an end is fixed on upper shear box 11 by nut A5.Knotmeter 3 is arranged on position as shown in the figure, desktop below, makes laser beam can shine on axle 15.Displacement transducer 5 is installed position as shown in the figure, thereby can measure the displacement of load arm.Pressure transducer, torque sensor 6 are arranged on shown position, by the level between load arm 7 and hydraulic load system 8, vertical interaction force, record shear box 11 suffered vertical load and shearing force.
In Fig. 2, host machine part of the present invention is centered by axle 15, the lower end connects the output shaft of worm-gear speed reducer 2 by shaft coupling C2, rely on conical bearing 23 that the supporting role of vertical direction is provided, and conical bearing 23 and lower ball bearing 24 provide the verticality of vertical direction jointly.Bearing flange 22 is fixing with lower ball bearing 24 with conical bearing 23, is fixed on flange bracket 21 by nut A6 simultaneously.Down cut pallet 20 is fixed on axle 15 by spline, links together by nut A2 and down cut box 18 simultaneously.Bearing bracket stand 12 is fixed on axle 15 with middle ball bearing 16 by upper ball bearing 13, because process axis bolster 12 does not bear vertical load, so the interference fit between the three gets final product the gravity of back shaft bolster 12, upper ball bearing 13 is fixed on bearing bracket stand 12 by clamp B1, and middle ball bearing 16 is fixed on bearing bracket stand 12 by clamp B2.Upper shear box 11 is connected with bearing bracket stand 12 by linear bearing 14, and linear bearing 14 is fixed on upper shear box 11 by B3, and by the transition of two-layer bearing, upper shear box 11 has separated the rotating force of axle 15, has only kept the coaxial relation with axle 15.But and upper shear box 11 in the vertical direction free movements.
Fig. 3 is the shear box sketch of horizontal shear structure of the present invention, upper shear surface 1 be connected with upper shear box 11 by nut A4, down cut face 1 is connected with down cut box 18 by nut A3.During the course, the inwall of the vertical direction of down cut box 18 is shiny surface, down cut face one 19 upper horizontal surface are uneven surface and rotate with axle 15, and upper shear surface one 17 horizontal surface are uneven surface and fixed static, and therefore two parallel uneven surfaces have produced the horizontal shear effect to effective object.
Fig. 4 is the shear box sketch of the vertical shear constitution of the present invention, upper shear surface 25 be connected with upper shear box 11 by nut A4, down cut face 26 is connected with down cut box 18 by nut A3.In mechanism, down cut face 27 surface levels are shiny surface, vertically the inboard is uneven surface, upper shear surface 25 surface levels are shiny surface, vertically the outside is uneven surface, down cut face 26 rotates with axle 15, upper shear surface 2 25 fixed statics, and therefore two vertically inside and outside parallel shear surfaces have produced the effect of vertical shearing to effective object.
Claims (4)
1. a multi-functional ring shear apparatus, comprise main frame, hydraulic lifting system, rotary power system, measuring system and framework five parts, and main frame, rotary power system, hydraulic lifting system, measuring system are separately fixed on framework; It is characterized in that:
Main frame comprises axle, upper shear box, down cut box and bearing flange; Main frame centered by axle, conical bearing axle is played a supportive role and together with lower ball bearing the right alignment of fixing and Control Shaft and bearing flange, axle rotates arbitrarily bearing flange is inner, bearing flange is connected and fixed on the table by nut and flange bracket; The shaft shoulder of axle down cut box pallet is played a supportive role and by the spline on axle to down cut box pallet transmitting rotary power, the down cut box rotates with axle; Upper ball bearing and middle ball bearing are fixed on bearing bracket stand by clamp one and clamp two, axle rotates at the bearing bracket stand internal freedom, linear bearing is fixed on upper shear box by clamp three, the right alignment between upper shear box and bearing bracket stand that keeps linear bearing also reduces the friction factor between upper shear box and bearing bracket stand, upper shear box is around arbitrarily rotation and vertically moving up and down along bearing bracket stand of bearing bracket stand, and upper cover is fixed on upper shear box top by nut; In the process of axle rotation, it is active surface that the rotation of axle drive down cut box makes the down cut face, and upper shear surface is driven surface and maintains static, and this moment the subjects in shear box has been formed the effect of shearing;
The down cut box is fixed on down cut box pallet by nut, changes shear parameters by changing shear box;
Upper shear surface one is fixed on upper shear box by nut, down cut face one is fixed on the down cut box by nut, the inwall of the vertical direction of down cut box is shiny surface, down cut face one upper horizontal surface is uneven surface and rotates with axle, upper shear surface one horizontal surface is uneven surface and fixed static, and two parallel uneven surfaces have produced the horizontal shear effect to effective object;
Upper shear surface two is fixed on upper shear box by nut, down cut face two is fixed on the down cut box by nut, down cut face two surface levels are shiny surface, vertically the inboard is uneven surface, upper shear surface two surface levels are shiny surface, and vertically the outside is uneven surface, and down cut face two rotates with axle, upper shear surface two fixed statics, two vertically inside and outside parallel shear surfaces have produced vertical shearing to effective object.
2. a kind of multi-functional ring shear apparatus according to claim 1, it is characterized in that, rotary power system comprises frequency converter, variable-frequency motor and reductor, variable-frequency motor is horizontally fixed on base of frame by nut, the output shaft of variable-frequency motor is connected by the input shaft of shaft coupling with the reductor horizontal direction, reductor output shaft straight up is connected by shaft coupling with the lower end of axle, so axle is along with motor output shaft rotation and rotate, and reductor is with the rotation direction half-twist of variable-frequency motor.
3. a kind of multi-functional ring shear apparatus according to claim 1, is characterized in that, hydraulic lifting system comprises hydraulic lifting arm and vertical load loading arm; Hydraulic lifting arm one end is fixed on upper shear box by nut, and an end is fixed on hydraulic hoist by nut, and hydraulic hoist passes to upper shear box by the hydraulic lifting arm with the load and displacement of vertical direction, and hydraulic hoist is fixed on framework simultaneously.
4. a kind of multi-functional ring shear apparatus according to claim 3, is characterized in that, measuring system comprises knotmeter, displacement transducer and pressure transducer and torque sensor; Knotmeter is fixed on framework, desktop below, makes the laser beam aiming axis and measures rotating speed by receiving reflection wave; Displacement transducer is fixed on framework, and the below of hydraulic lifting arm is measured the displacement of upper shear box thereby the displacement of hydraulic lifting arm is measured; Pressure transducer is fixed on the strong point of hydraulic hoist to the hydraulic lifting arm, thereby the pressure of measuring between hydraulic hoist and hydraulic lifting arm is measured upper shear box to the pressure of effective object in shear box; Torque sensor is fixed on hydraulic lifting arm and hydraulic hoist level connection joint place, indirectly measures effective object to the shearing force of upper shear box by the horizontal pressure force of measuring between hydraulic lifting arm and hydraulic hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210081081 CN102621044B (en) | 2012-03-23 | 2012-03-23 | Multifunctional ring shear apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210081081 CN102621044B (en) | 2012-03-23 | 2012-03-23 | Multifunctional ring shear apparatus |
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| CN102621044A CN102621044A (en) | 2012-08-01 |
| CN102621044B true CN102621044B (en) | 2013-11-06 |
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| CN 201210081081 Expired - Fee Related CN102621044B (en) | 2012-03-23 | 2012-03-23 | Multifunctional ring shear apparatus |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278400B (en) * | 2013-04-24 | 2015-09-16 | 中国科学院力学研究所 | Soil in-situ ring cuts experiment instrument |
| CN104614258B (en) * | 2015-01-22 | 2017-11-07 | 同济大学 | Hemispherical ideal cementing granule contact anti-shearing, bending resistance, torsion resistant test device |
| CN104792629B (en) * | 2015-04-29 | 2018-01-19 | 深圳大学 | A kind of hand-held constant stiffness ring shear apparatus and its application method |
| CN105067453A (en) * | 2015-07-08 | 2015-11-18 | 浙江土工仪器制造有限公司 | Ring shear apparatus for circular-ring-shaped soil sample |
| CN105571955B (en) * | 2016-01-05 | 2017-05-10 | 中国地质大学（武汉） | Simple servo controlled soil shearing rheometer |
| CN105784568B (en) * | 2016-05-10 | 2019-01-25 | 中国水利水电科学研究院 | The impervious characteristic test apparatus of revolution shearing type contact surface |
| CN106840810B (en) * | 2017-04-12 | 2018-05-15 | 中国地质大学（武汉） | A kind of ring shear test and preparation of soil sample device suitable for vertical shearing face |
| CN107741366B (en) * | 2017-10-31 | 2023-02-28 | 中国地质大学（武汉） | Application method of force-controlled wide-section ring shear apparatus in landslide research |
| CN108801804B (en) * | 2018-03-21 | 2020-02-14 | 中国地质大学（武汉） | Vertical shear surface ring shear tester capable of applying confining pressure |
| CN111879604B (en) * | 2020-09-10 | 2023-07-07 | 贵州省质安交通工程监控检测中心有限责任公司 | Anchor performance tester for anchor structure surface |
| CN117288603B (en) * | 2023-11-24 | 2024-03-08 | 中国电建集团华东勘测设计研究院有限公司 | Up-to-down resistance type multi-layer high-efficiency ring shear tester and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07109390B2 (en) * | 1991-07-30 | 1995-11-22 | 清一 宜保 | Ring shear tester for both constant volume and constant pressure |
| CN101028609A (en) * | 2006-03-02 | 2007-09-05 | 张瑞军 | Rotor disk |
| CN101788431A (en) * | 2010-02-10 | 2010-07-28 | 长沙理工大学 | Device and method for testing shear performance of asphalt mixture |
| CN201765074U (en) * | 2010-09-09 | 2011-03-16 | 中国长江三峡集团公司 | Test device for measuring contract stress state between soil and structural contact surface |
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