CN110553910A - Slope normal position loading device - Google Patents
Slope normal position loading device Download PDFInfo
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- CN110553910A CN110553910A CN201910631739.5A CN201910631739A CN110553910A CN 110553910 A CN110553910 A CN 110553910A CN 201910631739 A CN201910631739 A CN 201910631739A CN 110553910 A CN110553910 A CN 110553910A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of simulation experiment equipment, in particular to a slope in-situ loading device. The rainfall simulation system comprises a model frame system, an axial loading device, a rainfall simulation system and a servo control system, wherein a test model is arranged in the model frame system, the axial loading device is fixedly installed on the model frame system, the axial loading device is in signal connection with the servo control system, and the rainfall simulation system is fixedly installed on the model frame system. Thus, the model is fixed within the model frame system; pressurizing the test piece through an axial loading device; performing servo control pressurization through a servo control system; the model can be subjected to loading test according to actual conditions, and actual load and rainfall working conditions are simulated, so that the in-situ test of the side slope is realized.
Description
Technical Field
the invention relates to the field of simulation experiment equipment, in particular to a slope in-situ loading device.
Background
At present, a slope in-situ loading device of a slope landslide test field of a surface mine can complete large-scale slope landslide test research under manual control and intervention, and the slope in-situ loading device comprises: research on disaster-causing mechanism and forecast of rock slope collapse and landslide; researching the mechanism and forecast of loose soil slope landslide and debris flow; large-scale slope design, accident disaster engineering simulation and the like, and provides technical support for landslide disaster prevention and control.
Disclosure of Invention
The invention aims to provide a slope in-situ loading device and solve the problem of how to realize the in-situ test of a slope.
The technical scheme for solving the technical problems is as follows: the utility model provides a slope normal position loading device, includes model frame system, axial loading device, rainfall analog system and servo control system, and the test model sets up inside the model frame system, axial loading device fixed mounting be in on the model frame system, axial loading device with servo control system signal connection, rainfall analog system fixed mounting be in on the model frame system.
Further, the model frame system includes load beam, counter-force roof beam, preceding wall, back wall, load-bearing bottom plate and two side walls, preceding wall, side wall, back wall, side wall splice in proper order and form frame construction, load-bearing bottom plate installs frame construction's lower part, counter-force roof beam both ends respectively with two the side wall can be dismantled and be connected, load beam movable mounting be in counter-force roof beam below, the axial loading device is installed on the counter-force roof beam, the load beam with axial loading device fixed connection, rainfall simulation system installs two between the side wall.
Furthermore, the side wall comprises a plurality of side wall splicing plates and a plurality of bearing columns, the lower ends of the bearing columns are installed on the bearing bottom plate, the upper ends of the bearing columns are fixedly connected with the loading beam, and the side wall splicing plates are spliced and installed between every two adjacent bearing columns.
Further, the front wall comprises a plurality of front wall splicing plates which are sequentially spliced to form a wall body structure;
The rear wall comprises a plurality of rear wall splicing plates which are sequentially spliced to form a wall body structure.
Furthermore, bearing bottom plate includes strengthening rib and polylith bottom plate body, the polylith the bottom plate body splices in proper order and covers the setting and be in the surface of strengthening rib.
further, the reaction force sensor further comprises an imaging system, and the imaging system is arranged on the reaction force beam.
Further, the axial loading device comprises a shell, a servo motor, a ball screw, a nut sleeve, a nut, a guide bearing sleeve and a loading plate, the ball screw, the nut sleeve, the nut and the guide bearing sleeve are all arranged in the shell, the shell is arranged on the counter-force beam in a sliding way, the servo motor is arranged on the reaction beam in a sliding way, the servo motor is in transmission connection with one end of the ball screw through a speed reducer, the nut is screwed at the other end of the ball screw, the guide bearing sleeve is sleeved at the outer side of the nut, the guide bearing sleeve is fixedly connected with the nut, the loading plate is fixedly arranged at the end part of the guide bearing sleeve, the nut sleeve is sleeved on the outer side of the guide bearing sleeve in a sliding mode, the end portion of the nut sleeve is fixedly arranged on the loading beam, and the nut sleeve is provided with a force sensor.
Further, still include the lift, the lift fixed mounting is in bear the weight of on the post, the drive end of lift with casing fixed connection.
Further, rainfall simulation system includes storage water tank, booster pump, air-vent valve and multiunit shower nozzle, the multiunit shower nozzle sets up model frame system is last, the booster pump with the storage water tank intercommunication, the booster pump passes through the air-vent valve with the shower nozzle intercommunication, the backward flow hole of air-vent valve with the storage water tank intercommunication.
the invention provides a slope in-situ loading device which comprises a model frame system, an axial loading device, a rainfall simulation system and a servo control system, wherein a test model is arranged in the model frame system, the axial loading device is fixedly arranged on the model frame system, the axial loading device is in signal connection with the servo control system, and the rainfall simulation system is fixedly arranged on the model frame system. Thus, the model is fixed within the model frame system; pressurizing the test piece through an axial loading device; performing servo control pressurization through a servo control system; the model can be subjected to loading test according to actual conditions, and actual load and rainfall working conditions are simulated, so that the in-situ test of the side slope is realized.
Drawings
Fig. 1 is a schematic front view of a slope in-situ loading device according to an embodiment of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic view of a load beam configuration according to an embodiment of the present invention;
FIG. 4 is a schematic view of a single axis loading apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of a reaction beam according to an embodiment of the present invention;
FIG. 6 is a schematic view of a load post according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a bottom plate structure according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a sidewall structure according to an embodiment of the present invention;
Fig. 9 is a schematic structural diagram of a rainfall simulation system according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. The device comprises a loading beam, 2, a counter-force beam, 3, a bearing column, 4, a rear wall/front wall, 5, a side wall, 6, a bearing bottom plate, 7, a camera system, 8, a loading plate, 9, a ball screw, 10, a nut, 11, a nut sleeve, 12, a guide bearing sleeve, 13, a force sensor, 14, a lifter, 15, a speed reducer, 16, a servo motor, 17, a spray head, 18, a water storage tank, 19, a booster pump, 20 and a pressure regulating valve.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 9, the present invention provides a slope in-situ loading device, which includes a model frame system, an axial loading device, a rainfall simulation system and a servo control system, wherein a test model is arranged inside the model frame system, the axial loading device is fixedly installed on the model frame system, the axial loading device is in signal connection with the servo control system, and the rainfall simulation system is fixedly installed on the model frame system. Thus, the model is fixed within the model frame system; pressurizing the test piece through an axial loading device; performing servo control pressurization through a servo control system; the model can be subjected to loading test according to actual conditions, and actual load and rainfall working conditions are simulated, so that the in-situ test of the side slope is realized.
as shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: the model frame system comprises a loading beam 1, a counter-force beam 2, a front wall, a rear wall, a bearing bottom plate 6 and two side walls 5, the front wall, the side walls 5, the rear wall and the side walls 5 are sequentially spliced to form a frame structure, the bearing bottom plate 6 is installed on the lower portion of the frame structure, two ends of the counter-force beam 2 are respectively detachably connected with the two side walls 5, the loading beam 1 is movably installed below the counter-force beam 2, an axial loading device is installed on the counter-force beam 2, the loading beam 1 is fixedly connected with the axial loading device, and a rainfall simulation system is installed between the two side walls 5. The further preferred technical scheme is as follows: the side wall 5 comprises a plurality of side wall 5 splicing plates and a plurality of bearing columns 3, the lower ends of the bearing columns 3 are installed on the bearing bottom plate 6, the upper ends of the bearing columns 3 are fixedly connected with the loading beam 1, and the side wall 5 splicing plates are spliced and installed between the two adjacent bearing columns 3. Thus, the left and right side walls 5 are respectively provided with 4 bearing columns 3 which are mutually bolted with the bottom plate and the reaction beam 2 to form a reaction frame with internal stress, and the bearing columns 3 mainly bear the tensile force during axial loading and the horizontal bulging force during side bulging of the model.
as shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: the front wall comprises a plurality of front wall splicing plates which are sequentially spliced to form a wall structure;
The rear wall comprises a plurality of rear wall splicing plates which are sequentially spliced to form a wall body structure. Like this, back wall and 5 tailor-welds of side wall form, with bearing post 3 and bottom plate interconnect, and the inboard that contacts with the model adopts the transparent organic glass board of 35mm thickness, and the organic glass board passes through the mounting screw on the inboard shaped steel of wall body.
As shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: bearing bottom plate 6 includes strengthening rib and polylith bottom plate body, the polylith the bottom plate body splices in proper order and covers the setting and be in the surface of strengthening rib. Therefore, the bottom plate is formed by split assembly and bears the axial stress brought by the model, and the stress distribution is uneven when the side model is loaded, and the stress is gradually reduced from the position close to the rear wall to the front, so that the distribution of the rib plates is uneven when the structure is welded, and the utilization rate of materials and the reasonability of the structure are increased to the maximum extent.
As shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: the reaction force sensor further comprises an imaging system 7, and the imaging system 7 is arranged on the reaction force beam 2. In this way, the camera system 7 can monitor the model in real time during the loading process.
As shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: the axial loading device comprises a shell, a servo motor 16, a ball screw, a nut sleeve 11, a nut 10, a guide bearing sleeve 12 and a loading plate 8, wherein the ball screw, the nut sleeve 11, the nut 10 and the guide bearing sleeve 12 are all arranged inside the shell, the shell is arranged on the reaction beam 2 in a sliding manner, the servo motor 16 is in transmission connection with one end of the ball screw through a speed reducer 15, the nut 10 is arranged at the other end of the ball screw in a rotating manner, the guide bearing sleeve 12 is arranged on the outer side of the nut 10 in a sleeved manner, the guide bearing sleeve 12 is fixedly connected with the nut 10, the loading plate 8 is fixedly arranged at the end part of the guide bearing sleeve 12, the nut sleeve 11 is arranged on the outer side of the guide bearing sleeve 12 in a sliding manner, and the end part of the nut sleeve 11 is fixedly arranged on the loading beam, the nut sleeve 11 is provided with a force sensor 13. The further preferred technical scheme is as follows: the lifting device further comprises a lifter 14, wherein the lifter 14 is fixedly installed on the bearing column 3, and the driving end of the lifter 14 is fixedly connected with the shell. In this way, the axial loading device comprises a speed reducer 15, a loading beam 1, a loading plate 8 and a screw rod structure, a screw rod ball structure is installed in a hole formed in the middle of the loading beam 1, the loading beam 1 can freely slide within a range of 1.6 meters under the driving of a screw rod lifter 14, and the loading position is adjusted according to the actual situation during the test; the axial loading device adopts a structure that a speed reducer 15 drives a ball screw 9 pair, a screw rod rotates a nut 10 to move vertically, the nut 10 is connected to a loading plate 8 to load a model, and a force sensor 13 is arranged at the front end of a nut sleeve 11 to transmit real-time loading load data to a servo control system.
As shown in fig. 1 to 9, the slope in-situ loading device of the present invention may further include: the rainfall simulation system comprises a water storage tank 18, a booster pump 19, a pressure regulating valve 20 and a plurality of groups of spray heads 17, wherein the plurality of groups of spray heads 17 are arranged on the model frame system, the booster pump 19 is communicated with the water storage tank 18, the booster pump 19 is communicated with the spray heads 17 through the pressure regulating valve 20, and a backflow hole of the pressure regulating valve 20 is communicated with the water storage tank 18. Thus, the rainfall simulation system comprises a water storage tank 18, a booster pump 19, a pressure regulating valve 20, a water supply pipeline, a spray head 17, a pressure and flow meter and the like, can simulate a rainfall test, and controls the flow of the system by regulating the pressure of the system.
A slope in-situ loading device mainly comprises a model frame system, an axial loading device, a rainfall simulation system and a servo control system, wherein the maximum model is a cuboid with the length of 6.5 meters, the width of 5 meters and the height of 5 meters, the loading mode is motor servo control axial loading, the axial loading device adopts a speed reducer 15 to drive a ball screw 9 pair structure, a screw rotating nut 10 vertically moves, a force sensor 13 is arranged at the front end of a nut sleeve 11 to transmit real-time loading load data to the control system, and a driving source is a loosening servo motor 16. The servo motor 16 is 2KW, the speed reducer 15 is KF97R77 combined large reduction ratio series, the ball screw 9 is a large-load screw rod with the diameter of 160mm, the loading capacity of the single-group loading mechanism is 2000KN, 10 groups are provided, and the total loading capacity is 20000 KN.
As shown in the figure, the slope in-situ loading device provided by the embodiment of the invention comprises a model frame system, an axial loading device, a rainfall simulation system and a servo control system; wherein, the slope model is constructed in the frame in advance, and the model can be a potential landslide or collapse rock-soil body model; and loading the model through a loading device. The top of the frame system is provided with an axial loading device and a rainfall simulation system. The loading device is mainly located in the rear half part of the frame system and corresponds to a working condition of applying load to the top part of the slope model, the rainfall simulation system is located in the rear half part of the frame system and corresponds to a working condition of applying rainfall to the slope of the slope model, and the loading device mainly comprises a speed reducer 15, a loading beam 1, a loading plate 8 and a ball screw 9 as shown in the figure. The ball screw 9 penetrates through the loading beam 1 through a through hole, the lifter 14 is connected to the outside of the screw through a bolt, the servo motor 16 controls the speed reducer 15 to drive the ball screw 9 pair structure, the screw rotates the nut 10 to move vertically, and the force sensor 13 in front of the nut sleeve 11 transmits real-time load data back to the control system. The loading beam 1 can be adjusted up and down within 1.6 meters under the control of the lifter 14, as shown in the figure, the loading system has 10 groups, which can be controlled separately or loaded simultaneously. The rainfall simulation system comprises a water storage tank 18, a booster pump 19, a pressure regulating valve 20, a water supply pipeline, a spray head 17, a pressure and flow meter and the like, a rainfall test is simulated while loading or before and after loading, and the flow of the system is controlled by regulating the pressure of the system. The spray head 17 is fixed in front of the top of the frame system, the water storage tank 18, the booster pump 19, the pressure regulating valve 20 and the water supply pipeline are fixed on one side outside the frame, tap water is stored in the water storage tank 18 in advance, the pressure is boosted to a required value through the booster pump 19, the switch is opened to spray water to the top of the model through the spray opening, the maximum pressure is 0.3mpa, and the maximum flow is 4 cubic meters per hour. Through the device, the simulation of the slope instability process under different loading and rainfall working conditions can be finally realized.
As shown in fig. 1-9, the loading beam 1 is formed by welding 100mm high-quality carbon structural steel Q345, has a length of 7 m, a height of 1.5 m and a thickness of 0.6 m, has reinforcing ribs inside, has a net weight of about 23.5 tons, and can ensure the strength and rigidity of the girder under the loading condition of 20000 KN. Two counter-force roof beams 2 are installed in the top of loading roof beam 1, link together through bolt and bearing post 3, and length 7.1 meters, width 1 meter, thickness 0.5 meter, 50mm steel sheet welded structure, inside have the strengthening rib, local encryption structure, and net weight is about 10 tons. The bearing capacity of a single counter-force beam 2 is 10000kn within 1.6 m of the working surface of the loading beam 1.
As shown in fig. 1 to 9, when 8 total load-bearing pillars 3 of the left and right side walls 5 are welded by using 1000x300mm H-shaped steel to axially load 20000KN load, 4 total load-bearing pillars 3 provide counter force for the load beam 1, and the average stress of a single load-bearing pillar 3 is 5000 KN.
As shown in figures 1-9, the bottom plate bears the axial stress brought by the model, and because the stress distribution is uneven when the side model is loaded and the stress is gradually reduced from the position close to the rear wall to the front, the distribution of the rib plates is also uneven when the structure is welded, and the utilization rate of materials and the reasonability of the structure are increased to the maximum extent. The whole bottom plate is too large in size, difficult to transport, and integrated after being assembled on site by adopting a split structure design. The base plate size was 7100 × 7000 × 500 mm.
As shown in fig. 1-9, the rear wall and the side walls 5 are formed by welding 50B h-shaped pieces, and are connected with the bearing columns 3 and the bottom plate, the maximum height is 5.5 m, the height exceeds the model by 0.5 m, and the thickness is 0.5 m. The inner side contacting with the model adopts a transparent organic glass plate with the thickness of 35mm, and the organic glass plate is arranged on the profile steel on the inner side of the wall body through screws.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a side slope normal position loading device which characterized in that: the rainfall simulation system comprises a model frame system, an axial loading device, a rainfall simulation system and a servo control system, wherein a test model is arranged in the model frame system, the axial loading device is fixedly installed on the model frame system, the axial loading device is in signal connection with the servo control system, and the rainfall simulation system is fixedly installed on the model frame system.
2. The slope in-situ loading device according to claim 1, wherein: model frame system includes load beam (1), counter-force roof beam (2), preceding wall, back wall, load floor (6) and two side walls (5), preceding wall, side wall (5), back wall, side wall (5) splice in proper order and form frame construction, load floor (6) are installed frame construction's lower part, counter-force roof beam (2) both ends respectively with two side wall (5) can dismantle the connection, load beam (1) movable mounting be in counter-force roof beam (2) below, axial loading device installs on counter-force roof beam (2), load beam (1) with axial side wall loading device fixed connection, rainfall simulation system installs two between (5).
3. The slope in-situ loading device according to claim 2, wherein: the side wall (5) comprises a plurality of side wall (5) splicing plates and a plurality of bearing columns (3), the lower ends of the bearing columns (3) are installed on the bearing base plate (6), the upper ends of the bearing columns (3) are fixedly connected with the loading beam (1), and the side wall (5) splicing plates are spliced and installed between two adjacent bearing columns (3).
4. The slope in-situ loading device according to claim 3, wherein: the front wall comprises a plurality of front wall splicing plates which are sequentially spliced to form a wall structure;
The rear wall comprises a plurality of rear wall splicing plates which are sequentially spliced to form a wall body structure.
5. the slope in-situ loading device according to claim 4, wherein: the bearing bottom plate (6) comprises reinforcing ribs and a plurality of bottom plate bodies, and the bottom plate bodies are sequentially spliced and covered on the outer surfaces of the reinforcing ribs.
6. the slope in-situ loading device according to claim 2, wherein: the reaction force sensor further comprises an imaging system (7), and the imaging system (7) is arranged on the reaction force beam (2).
7. The slope in-situ loading device according to claim 2, wherein: the axial loading device comprises a shell, a servo motor (16), a ball screw, a nut sleeve (11), a nut (10), a guide bearing sleeve (12) and a loading plate (8), wherein the ball screw, the nut sleeve (11), the nut (10) and the guide bearing sleeve (12) are all arranged inside the shell, the shell is arranged on the reaction beam (2) in a sliding manner, the servo motor (16) is in transmission connection with one end of the ball screw through a speed reducer (15), the nut (10) is arranged at the other end of the ball screw in a rotating manner, the guide bearing sleeve (12) is sleeved on the outer side of the nut (10), the guide bearing sleeve (12) is fixedly connected with the nut (10), and the loading plate (8) is fixedly arranged at the end part of the guide bearing sleeve (12), the nut sleeve (11) is sleeved on the outer side of the guide bearing sleeve (12) in a sliding mode, the end portion of the nut sleeve (11) is fixedly arranged on the loading beam (1), and the nut sleeve (11) is provided with a force sensor (13).
8. The slope in-situ loading device according to claim 7, wherein: the lifting device is characterized by further comprising a lifter (14), wherein the lifter (14) is fixedly installed on the bearing column (3), and the driving end of the lifter (14) is fixedly connected with the shell.
9. The slope in-situ loading device according to claim 1, wherein: rainfall simulation system includes storage water tank (18), booster pump (19), air-vent valve (20) and multiunit shower nozzle (17), multiunit shower nozzle (17) set up model frame system is last, booster pump (19) with storage water tank (18) intercommunication, booster pump (19) pass through air-vent valve (20) with shower nozzle (17) intercommunication, the backward flow hole of air-vent valve (20) with storage water tank (18) intercommunication.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/095377 WO2021003689A1 (en) | 2019-07-10 | 2019-07-10 | Side slope in-situ loading device |
| CNPCT/CN2019/095377 | 2019-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553910A true CN110553910A (en) | 2019-12-10 |
Family
ID=68735548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910631739.5A Pending CN110553910A (en) | 2019-07-10 | 2019-07-12 | Slope normal position loading device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110553910A (en) |
| BE (1) | BE1026548B1 (en) |
| WO (1) | WO2021003689A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899673A (en) * | 2021-09-29 | 2022-01-07 | 中国地质科学院地质力学研究所 | Experiment device for side slope model under top loading and rainfall infiltration coupling test |
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| CN111855121B (en) * | 2020-08-17 | 2024-03-01 | 昆明理工大学 | Slope instability experimental device and experimental method using rainfall and earthquake as inducements |
| CN113092046A (en) * | 2021-04-06 | 2021-07-09 | 西南交通大学 | Stability research system of high and steep slope under earthquake and rainfall action |
| CN113178121B (en) * | 2021-04-29 | 2022-10-28 | 信阳师范学院 | Side slope physical experiment model |
| CN113252269B (en) * | 2021-05-12 | 2022-07-19 | 中国矿业大学 | Multi-dimensional space self-balancing loading system in mobile high-temperature coupling environment |
| CN113293807B (en) * | 2021-05-19 | 2023-08-01 | 武汉大学 | Sand soil structure microscopic test model |
| CN114088587A (en) * | 2021-11-19 | 2022-02-25 | 华东交通大学 | Boundless particle torsional shear loading hollow cylinder photoelastic experiment device and using method thereof |
| CN115184587B (en) * | 2022-07-12 | 2024-06-25 | 中南大学 | Visual model test device and method for simulating side slope dead weight damage |
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- 2019-07-10 WO PCT/CN2019/095377 patent/WO2021003689A1/en active Application Filing
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- 2019-12-24 BE BE20195982A patent/BE1026548B1/en not_active IP Right Cessation
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| CN113899673A (en) * | 2021-09-29 | 2022-01-07 | 中国地质科学院地质力学研究所 | Experiment device for side slope model under top loading and rainfall infiltration coupling test |
| CN113899673B (en) * | 2021-09-29 | 2024-04-16 | 中国地质科学院地质力学研究所 | Top loading and rainfall infiltration coupling test lower side slope model experimental device |
Also Published As
| Publication number | Publication date |
|---|---|
| BE1026548A1 (en) | 2020-03-13 |
| BE1026548B1 (en) | 2021-02-05 |
| WO2021003689A1 (en) | 2021-01-14 |
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