CN213749322U - High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass - Google Patents
High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass Download PDFInfo
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- CN213749322U CN213749322U CN202022091712.2U CN202022091712U CN213749322U CN 213749322 U CN213749322 U CN 213749322U CN 202022091712 U CN202022091712 U CN 202022091712U CN 213749322 U CN213749322 U CN 213749322U
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Abstract
The invention discloses a high-speed ring shear test machine which simulates an environment and can measure the shear strength parameter of a landslide body, wherein a movable installation box is arranged right above a fixed operation platform through a support adjusting rod vertically arranged on the fixed operation platform, a pressurizing mechanism is arranged on the movable installation box, a charging mechanism comprises an upper charging barrel, a lower charging barrel and a fastening sealing ring, the lower charging barrel is arranged on the fixed operation platform, the upper charging barrel is screwed with the lower charging barrel in a threaded screwing mode, the fastening sealing ring is fixedly fastened at the joint of the upper charging barrel and the lower charging barrel, and a circular material carrying disc is fixedly arranged in the lower charging barrel; the shearing mechanism comprises a servo motor and a speed reducer, and the servo motor and the speed reducer are connected and then are in power connection with the lower charging barrel; the water inlet of the water pump is communicated with a water source, and the water outlet is communicated with the upper charging barrel and the lower charging barrel through a water injection pipe; the vibrating machine is in power connection with the lower charging barrel. The method has the beneficial effects of simulating various environmental conditions and predicting the landslide mechanism.
Description
Technical Field
The invention relates to the technical field of ring shear testing equipment, in particular to a high-speed ring shear tester which simulates the environment and can measure the shear strength parameter of a landslide body.
Background
The soil is a loose aggregate formed by parent rocks under the action of long-term weathering, the macroscopic engineering property of the soil body is naturally controlled mainly by the microstructure state and the change rule, a plurality of parameters are related to the determination of the engineering geological property of the soil body, the shear strength parameter is of great importance in the research and research fields of landslide, debris flow and the like, the method for accurately determining the shear strength parameter of the soil body under various complex conditions in real time from the aspects of disaster prevention and reduction is the premise and guarantee of the research of landslide and debris flow, and the research of the mechanical behavior and the law is always the frontier subject of the geotechnical and engineering geological fields for years and is also the important direction of the future geotechnical engineering research.
The large-scale high-speed ring shear test machine is used for simulating the measurement of rock-soil mechanical parameters aiming at soil body materials under various complex conditions, particularly the measurement of the residual strength of soil, and provides basis and parameters for researching the formation and movement mechanisms of geological disasters such as landslides, debris flows and the like.
However, at present, a high-speed ring shear tester which can simulate various environments and can predict and determine a landslide mechanism does not exist in China. It is necessary to design and invent it according to the actual needs. Aiming at the defects in the prior art, the invention aims to provide the high-speed ring shear tester which simulates the environment and can measure the shear strength parameter of the sliding mass.
SUMMERY OF THE UTILITY MODEL
The technical scheme adopted by the invention for realizing the purpose is as follows: simulation environment and can survey high-speed girdling test machine of landslide body shear strength parameter, including movable mounting case, fixed operation platform, loading mechanism, shearing mechanism, suction pump, electromagnetic shaker, the movable mounting case is in through vertical setting the support adjustment pole on the fixed operation platform is installed directly over the fixed operation platform, install on the movable mounting case the loading mechanism, the loading mechanism includes connecting plate, upper mounting panel, lower floor's mounting panel, annular increased pressure board, the connecting plate with movable mounting case swing joint just the connecting plate with upper mounting panel fixed connection, upper mounting panel and lower floor's mounting panel parallel arrangement and in the middle through the piston cylinder fixed connection of vertical setting, the annular increased pressure board set up under the lower floor's mounting panel and with piston cylinder's piston rod fixed connection, each group of piston cylinders is communicated with an air compression pump; the charging mechanism comprises an upper charging barrel, a lower charging barrel and a fastening sealing ring, the lower charging barrel is arranged on the fixed operation platform and is screwed with the lower charging barrel in a threaded screwing mode, the fastening sealing ring is fixedly fastened at the joint of the upper charging barrel and the lower charging barrel, and a circular material carrying disc is fixedly arranged in the lower charging barrel; the shearing mechanism comprises a servo motor and a speed reducer, and the servo motor and the speed reducer are connected and then are in power connection with the lower charging barrel; the water inlet of the water suction pump is communicated with a water source, and the water outlet of the water suction pump is communicated with the upper charging barrel and the lower charging barrel through a water injection pipe; the vibrating machine is in power connection with the lower charging barrel.
The utility model discloses a quick-witted support regulation pole, including the support regulation pole, the support is adjusted the pole and is in the part of movable mounting case installation department sets up to lead screw structure and two sets of accommodate the lead screw structure's spiral direction the same, the movable mounting case is in the installation department inboard of supporting the regulation pole all is provided with adjusting nut just adjusting nut connects soon with the lead screw structure who corresponds separately, the adjusting nut lateral wall evenly is provided with the teeth of a cogwheel, fixed mounting has driving motor just on the movable mounting case driving motor pass through the chain with adjusting nut power is connected and each group adjusting nut's rotation direction is all the same.
The movable mounting case corresponds one of them set of the downside fixed mounting who supports the regulation pole has mounting flange, the one end with relative pivoted mode swing joint regulating arm on the mounting flange, install the other end of regulating arm the connecting plate of loading mechanism, the regulating arm is installed be provided with first elasticity governing valve on the lateral wall of mounting flange department.
The material loading device is characterized in that a cylindrical material limiting block is fixedly arranged at the bottom of the material loading disc, the material limiting block, the material loading disc and the lower material loading cylinder are concentrically arranged, the top end of the material limiting block is flush with the top end of the upper material loading cylinder, the gap formed by the annular pressure plate and the material loading disc and the material limiting block is as large as the gap, the air compression pump is fixedly arranged on the movable mounting box, and a second tightness adjusting valve is arranged on the fastening sealing ring.
The vertical spacing post that is provided with of limit block top centre of a circle department, be provided with spacing hole on the mounting panel of lower floor and with spacing post corresponds the joint, the water injection hole has been seted up to the corresponding position of limit block, lower floor's mounting panel, the water injection hole on the mounting panel of lower floor with the water injection pipe is linked together, each water injection hole of organizing of limit block leads to out the lateral wall of limit block with the material loading dish intercommunication.
Lower charging barrel bottom fixedly connected with drive gear just drive gear installs with relative pivoted mode on the fixed operation platform, speed reducer power connection has rotating gear just rotating gear is connected with drive gear meshing, drive gear's number of teeth is 6 ~ 20 times of rotating gear number of teeth, servo motor, speed reducer, electromagnetic shaker are all installed the bottom of fixed operation platform.
And a drain outlet is formed in the edge of the bottom of the lower charging barrel and communicated with a drain barrel through a drain pipe.
The suction pump is arranged on the movable installation box.
The invention has the beneficial effects that: the method can simulate and construct various experimental scenes through flexible combination of a pressurizing mechanism, a charging mechanism, a shearing mechanism, a water pump and a vibrator, and comprises a consolidation slow-speed drainage ring shear test, a consolidation fast non-drainage ring shear test, a consolidation instantaneous load non-drainage ring shear test, a single-direction and two-direction vibration load ring shear test, a vibration liquefaction test of saturated sandy soil, a soil particle crushing characteristic test, a slope sliding under a specific condition by setting an external pore water pressure, and total stress, effective stress and shearing stress and corresponding peak strength and residual strength in the test process are measured; the landslide mechanism can be predicted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged detail view of the section A;
FIG. 3 is an enlarged detail view of the section B;
FIG. 4 is a schematic vertical sectional view of the charging structure;
FIG. 5 is a top view of the lower mounting plate;
fig. 6 is a top view of the annular compression plate.
In the figure: the device comprises a movable installation box 1, a fixed operation table 2, a water pump 3, a vibrator 4, a support adjusting rod 5, a connecting plate 6, an upper mounting plate 7, a lower mounting plate 8, an annular pressurizing plate 9, a piston cylinder 10, an air compression pump 11, an upper charging barrel 12, a lower charging barrel 13, a fastening sealing ring 14, a charging tray 15, a servo motor 16, a speed reducer 17, a driving motor 18, a mounting flange 19, an adjusting arm 20, a limiting block 21, a limiting column 22, a water injection hole 23, a transmission gear 24 and a rotating gear 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a high-speed ring shear test machine for simulating environment and measuring shear strength parameters of a landslide body comprises a movable installation box 1, a fixed operation platform 2, a pressurizing mechanism, a charging mechanism, a shearing mechanism, a water pump 3 and a vibrator 4, wherein the movable installation box 1 is installed right above the fixed operation platform 2 through a support adjusting rod 5 vertically arranged on the fixed operation platform 2, the pressurizing mechanism is installed on the movable installation box 1 and comprises a connecting plate 6, an upper mounting plate 7, a lower mounting plate 8 and an annular pressurizing plate 9, the connecting plate 6 is movably connected with the movable installation box 1, the connecting plate 6 is fixedly connected with the upper mounting plate 7, the upper mounting plate 7 and the lower mounting plate 8 are arranged in parallel, the middle of the connecting plate is fixedly connected through a vertically arranged piston cylinder 10, the annular pressurizing plate 9 is arranged right below the lower mounting plate 8 and is fixedly connected with a piston rod of the piston cylinder 10, each group of piston cylinders 10 is communicated with an air compression pump 11; the charging mechanism comprises an upper charging barrel 12, a lower charging barrel 13 and a fastening sealing ring 14, wherein the lower charging barrel 13 is arranged on the fixed operation platform 2, the upper charging barrel 12 is screwed with the lower charging barrel 13 in a threaded screwing mode, the fastening sealing ring 14 is fixedly fastened at the joint of the upper charging barrel 12 and the lower charging barrel 13, and a circular material carrying disc 15 is fixedly arranged in the lower charging barrel 13; the shearing mechanism comprises a servo motor 16 and a speed reducer 17, and the servo motor 16 and the speed reducer 17 are connected and then are in power connection with the lower charging barrel 13; the water inlet of the water pump 3 is communicated with a water source, and the water outlet is communicated with the upper charging barrel 12 and the lower charging barrel 13 through a water injection pipe; the vibrator 4 is in power connection with the lower charging barrel 13.
In the invention, the support adjusting rod 5 comprises two groups which are vertically arranged in parallel at the left and right, the stable installation of the movable installation box 1 is ensured, the part of the support adjusting rod 5 at the installation position of the movable installation box 1 is provided with a screw rod structure, the spiral directions of the two groups of adjusting screw rod structures are the same, the movable installation box 1 is provided with adjusting nuts at the inner side of the installation position of the support adjusting rod 5, the adjusting nuts are screwed with the corresponding screw rod structures, the outer side walls of the adjusting nuts are uniformly provided with gear teeth, the movable installation box 1 is fixedly provided with a driving motor 18, the driving motor 18 is in power connection with the adjusting nuts through chains, the rotating directions of the adjusting nuts are the same, the two groups of adjusting nuts are driven to rotate in the same direction through the work of the driving motor 18, the movable installation box 1 is driven to move up and down on the screw rod structure of the support adjusting rod 5 by the adjusting nuts, and the up and down movement of the movable installation box 1 is realized, the vertical movement of the pressurizing mechanism relative to the charging mechanism is realized, and the stable attachment and separation of the pressurizing mechanism and the charging structure are ensured;
the movable mounting box 1 is fixedly provided with a mounting flange 19 corresponding to the lower side of one group of the supporting and adjusting rods 5, the mounting flange 19 is movably connected with one end of an adjusting arm 20 in a relative rotating mode, the other end of the adjusting arm 20 is provided with a connecting plate 6 of a pressurizing mechanism, the adjusting arm 20 is provided with a first tightness adjusting valve on the side wall of the mounting flange 19, the adjusting arm 20 rotates around the mounting flange 19 to drive the pressurizing mechanism to integrally rotate around the mounting flange 19, and the pressurizing mechanism and the charging mechanism are arranged in a vertical direction in a relative mode;
the bottom of the material loading disc 15 is fixedly provided with a cylindrical material limiting block 21, the material loading disc 15 and the lower charging barrel 13 are concentrically arranged, the top end of the material limiting block 21 is flush with the top end of the upper charging barrel 12, a gap formed by the annular pressurizing plate 9, the material loading disc 15 and the material limiting block 21 is as large as the gap, soil to be detected is filled in the material loading disc 15, the annular pressurizing plate 9 is driven by the piston cylinder 10 to compact the soil layer, the air compression pump 11 is fixedly arranged on the movable mounting box 1, and the fastening sealing ring 14 is provided with a second tightness adjusting valve;
the vertical spacing post 22 that is provided with of limit block 21 top centre of a circle department, be provided with spacing hole on the lower floor's mounting panel 8 and correspond the joint with spacing post 22, guarantee that loading system and charging mechanism stably dock, limit block 21, water injection hole 23 has been seted up to the corresponding position of lower floor's mounting panel 8, water injection hole 23 on the lower floor's mounting panel 8 is linked together with the water injection pipe, each group's water injection hole 23 of limit block 21 leads to the lateral wall and the year charging tray 15 intercommunication of limit block 21, can carry out the detection of soil erosion and water loss phenomenon and the construction of relevant experimental model.
The bottom of the lower charging barrel 13 is fixedly connected with a transmission gear 24, the transmission gear 24 is installed on the fixed operation table 2 in a relative rotation mode, the speed reducer 17 is in power connection with a rotating gear 25, the rotating gear 25 is in meshing connection with the transmission gear 24, the number of teeth of the transmission gear 24 is 6-20 times of that of the rotating gear 25, a shearing force is applied through a combined loading mechanism of the servo motor 16 and the speed reducer 17 and a ring shear test is carried out, and the servo motor 16, the speed reducer 17 and the vibrator 4 are all installed at the bottom of the fixed operation table 2;
a drain outlet is formed in the edge of the bottom of the lower charging barrel 13 and communicated with a drain barrel through a drain pipe, so that soil-water mixture overflowing the material carrying disc 15 after the experiment is finished can be conveniently discharged;
the water pump 3 is arranged on the movable installation box 1.
The working principle of the invention is as follows: when the consolidation slow-speed drainage ring shear test device is used, soil in the charging mechanism is pressurized through the pressurizing mechanism, water is slowly injected through the water suction pump 3, the drain pipe is opened for drainage, and simulation and demonstration of a consolidation slow-speed drainage ring shear test scene are realized;
when a consolidation fast non-drainage ring shear test and a consolidation instantaneous load non-drainage ring shear test are carried out, soil in a charging mechanism is pressurized through a pressurizing mechanism, water is rapidly injected through a water suction pump 3, a drain pipe is closed to prohibit drainage, and simulation and demonstration of a consolidation slow drainage ring shear test scene are realized;
when a unidirectional and bidirectional vibration load ring shear test is carried out, soil in a loading mechanism is pressurized through a pressurizing mechanism, an air compression pump 11 and a piston cylinder 10 are started for a unidirectional vibration test, a vibrator 4 is started for a unidirectional vibration test, and the air compression pump 11, the piston cylinder 10 and the vibrator 4 are started for a bidirectional vibration test;
when the soil particle crushing characteristic test is carried out, the soil blocks are placed in the material carrying disc 15, and the vibrating machine 4 is started to carry out the crushing characteristic test;
and when the total stress, the effective stress and the shear stress in the test process, and the corresponding peak strength and the residual strength are detected by setting the external pore water pressure and simulating slope sliding under a specific condition, the shearing mechanism applies the shearing force to carry out corresponding detection.
It is worth to be noted that, the structure of this application is installed with the detection sensor that is used for various experiments, and the detection sensor is connected with corresponding data processing equipment and carries out the detection of various data.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The high-speed ring shear test machine that the simulation environment just can survey the landslide body shear strength parameter, its characterized in that: comprises a movable installation box (1), a fixed operation platform (2), a pressurizing mechanism, a charging mechanism, a shearing mechanism, a water pump (3) and a vibrator (4), wherein the movable installation box (1) is vertically arranged on a support adjusting rod (5) on the fixed operation platform (2) and is arranged right above the fixed operation platform (2), the pressurizing mechanism is arranged on the movable installation box (1) and comprises a connecting plate (6), an upper mounting plate (7), a lower mounting plate (8) and an annular pressurizing plate (9), the connecting plate (6) is movably connected with the movable installation box (1) and the connecting plate (6) is fixedly connected with the upper mounting plate (7), the upper mounting plate (7) is arranged in parallel with the lower mounting plate (8) and is fixedly connected with the piston cylinder (10) which is vertically arranged in the middle, the annular pressurizing plate (9) is arranged right below the lower-layer mounting plate (8) and is fixedly connected with a piston rod of the piston cylinder (10), and each group of piston cylinders (10) are communicated with an air compression pump (11); the charging mechanism comprises an upper charging barrel (12), a lower charging barrel (13) and a fastening sealing ring (14), the lower charging barrel (13) is installed on the fixed operation table (2), the upper charging barrel (12) is screwed with the lower charging barrel (13) in a threaded screwing mode, the fastening sealing ring (14) is fixedly fastened at the joint of the upper charging barrel (12) and the lower charging barrel (13), and a circular loading disc (15) is fixedly installed in the lower charging barrel (13); the shearing mechanism comprises a servo motor (16) and a speed reducer (17), and the servo motor (16) and the speed reducer (17) are connected and then are in power connection with the lower charging barrel (13); a water inlet of the water suction pump (3) is communicated with a water source, and a water outlet of the water suction pump is communicated with the upper charging barrel (12) and the lower charging barrel (13) through a water injection pipe; the vibrator (4) is in power connection with the lower charging barrel (13).
2. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 1, wherein: support regulation pole (5) including controlling two sets of parallel vertical settings, support regulation pole (5) and be in the part of movable mounting case (1) installation department sets up to lead screw structure and two sets of accommodate the lead screw structure's spiral direction the same, movable mounting case (1) is in the installation department inboard of support regulation pole (5) all is provided with adjusting nut just adjusting nut connects soon with the lead screw structure who corresponds separately, the adjusting nut lateral wall evenly is provided with the teeth of a cogwheel, fixed mounting has driving motor (18) just on movable mounting case (1) driving motor (18) through the chain with adjusting nut power is connected and each group adjusting nut's rotation direction is all the same.
3. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 2, wherein: movable mounting case (1) corresponds one of them set of the downside fixed mounting that supports regulation pole (5) has mounting flange (19), the one end with relative pivoted mode swing joint regulating arm (20) on mounting flange (19), install the other end of regulating arm (20) loading system's connecting plate (6), install regulating arm (20) be provided with first elasticity governing valve on the lateral wall of mounting flange (19) department.
4. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 3, wherein: the fixed cylindric material limit block (21) that is provided with in year charging tray (15) bottom just material limit block (21), year charging tray (15) and lower charging barrel (13) set up with one heart, material limit block (21) top with go up charging barrel (12) top and flush, annular increased pressure plate (9) with the clearance that material carry tray (15), material limit block (21) constitute etc. are big, air compression pump (11) fixed mounting be in on movable mounting case (1), install second elasticity regulating valve on fastening sealing washer (14).
5. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 4, wherein: limit block (21) top centre of a circle department is vertical to be provided with spacing post (22), be provided with spacing hole on lower floor's mounting panel (8) and with spacing post (22) correspond the joint, water injection hole (23) have been seted up to the corresponding position of limit block (21), lower floor's mounting panel (8), water injection hole (23) on lower floor's mounting panel (8) with the water injection pipe is linked together, each water injection hole (23) of organizing of limit block (21) leads to out the lateral wall of limit block (21) with year charging tray (15) intercommunication.
6. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 5, wherein: lower dress feed cylinder (13) bottom fixedly connected with drive gear (24) just drive gear (24) are installed with relative pivoted mode on fixed operation platform (2), speed reducer (17) power connection has running gear (25) just running gear (25) are connected with drive gear (24) meshing, the number of teeth of drive gear (24) is 6 ~ 20 times of running gear (25) number of teeth, servo motor (16), speed reducer (17), electromagnetic shaker (4) are all installed the bottom of fixed operation platform (2).
7. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 1, wherein: and a sewage discharge outlet is formed in the bottom edge of the lower charging barrel (13) and communicated with a sewage discharge barrel through a sewage discharge pipe.
8. The high-speed ring shear tester capable of simulating environment and measuring shear strength parameters of a sliding mass according to claim 1, wherein: the water suction pump (3) is arranged on the movable installation box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022091712.2U CN213749322U (en) | 2020-09-22 | 2020-09-22 | High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022091712.2U CN213749322U (en) | 2020-09-22 | 2020-09-22 | High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass |
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| Publication Number | Publication Date |
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| CN213749322U true CN213749322U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022091712.2U Expired - Fee Related CN213749322U (en) | 2020-09-22 | 2020-09-22 | High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass |
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| CN (1) | CN213749322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111965010A (en) * | 2020-09-22 | 2020-11-20 | 吉林大学 | High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass |
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2020
- 2020-09-22 CN CN202022091712.2U patent/CN213749322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111965010A (en) * | 2020-09-22 | 2020-11-20 | 吉林大学 | High-speed ring shear test machine capable of simulating environment and measuring shear strength parameters of landslide mass |
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