CN108230859A - A kind of rainfall simulator for slope model test - Google Patents
A kind of rainfall simulator for slope model test Download PDFInfo
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- CN108230859A CN108230859A CN201810104321.4A CN201810104321A CN108230859A CN 108230859 A CN108230859 A CN 108230859A CN 201810104321 A CN201810104321 A CN 201810104321A CN 108230859 A CN108230859 A CN 108230859A
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- 230000007246 mechanism Effects 0.000 claims abstract description 160
- 238000004088 simulation Methods 0.000 claims abstract description 66
- 238000001556 precipitation Methods 0.000 claims abstract description 52
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 230000000979 retarding effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/40—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology
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- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of rainfall simulators for slope model test, are movably installed on truss structure by shift mechanism including truss structure and the Simulation of Precipitation mechanism being installed on truss structure, Simulation of Precipitation mechanism；The shift mechanism includes transverse-moving mechanism and vertical shift mechanism, and the Simulation of Precipitation mechanism is connect with the vertical shift mechanism, and the vertical shift mechanism is connect with the transverse-moving mechanism；The Simulation of Precipitation mechanism includes the rotating base driven by revolving power mechanism；The transverse-moving mechanism, which moves left and right, drives vertical shift mechanism to move left and right, and so as to which the Simulation of Precipitation mechanism be driven to move left and right, the vertical shift mechanism, which is moved forward and backward, drives the Simulation of Precipitation mechanism to be moved forward and backward；Rainfall in simulation Landslide Model different direction, different directions, since using truss mechanism and the shift mechanism of mechanical action and Simulation of Precipitation mechanism, the use of larger Landslide Model, high degree of automation can be suitable for.
Description
Technical field
The present invention relates to technical field of civil engineering, and in particular to a kind of rainfall simulation for slope model test fills
It puts.
Background technology
Landslide refers to the soil body or rock mass on slope, by river degradation, groundwater activities, rainwater immersion, earthquake and people
Work cuts the influence of the factors such as slope, under the effect of gravity, along certain Weak face either weak band integrally or dispersedly along slope
The natural phenomena of slide downward.
China is the multiple country of geological disaster, and Disasters Type is more, has a very wide distribution, wherein especially with caused by slope sliding
Disaster is huge.Landslide is the main Types in geological disaster, and national 290 counties and cities' Geological Hazards Investigations are the results show that landslide exists
Proportion maximum is up to 51% in geological disaster；Its main induced factor is heavy rain, and the landslide that heavy rain induces accounts for landslide sum
90%.
In the landform for having landslide, under geological conditions, precipitation is largely the shooting condition that landslide occurs,
During clast stream often betides precipitation or continues precipitation.By studying rainfall, rainfall intensity and rainfall duration etc. and landslide
Relationship between deformation behaviour, further Study of Landslides model instability Mechanism under precipitation condition can be that prevention rain-induced landslide carries
For theoretical foundation.It is difficult to have the condition of in-site modeling rain test due to coming down in the wild, simulation landslide rain test
Often carry out indoors.
Invention content
The purpose of the present invention is to provide a kind of experimental rigs that can simulate field landslide rainfall indoors.
In order to solve the above technical problems, technical solution used in the embodiment of the present invention is, one kind is used for slope model test
Rainfall simulator, including truss structure, shift mechanism and Simulation of Precipitation mechanism, the shift mechanism is installed on the truss
In structure, the Simulation of Precipitation mechanism is slidably mounted on by the shift mechanism on the truss structure；The displacement
Mechanism includes transverse-moving mechanism and vertical shift mechanism, and the Simulation of Precipitation mechanism connect with the vertical shift mechanism, the vertical shift mechanism and
The transverse-moving mechanism connection；The Simulation of Precipitation mechanism includes the rotating base driven by revolving power mechanism；It is described traversing
Mechanism, which moves left and right, drives vertical shift mechanism to move left and right, so as to which the Simulation of Precipitation mechanism be driven to move left and right, the vertical shift machine
Structure, which is moved forward and backward, drives the Simulation of Precipitation mechanism to be moved forward and backward.
Preferably, the truss structure includes the vertical bar being vertically arranged, the left and right bar of left and right directions setting and front and back
To the front and rear bar of setting, the both ends of the left and right bar and front and rear bar are respectively connect with the vertical bar, two or so bars and
Two front and rear bars form rectangular frame structure.
Preferably, the vertical shift mechanism includes being parallel to the vertical shift bar of front and rear bar setting, and the bottom of vertical shift bar is equipped with front and rear
The vertical shift screw pair and vertical shift slide rail of direction setting pass through sliding block in the vertical shift slide rail and install vertical shift slide, and vertical shift slide connects
The feed screw nut of vertical shift screw pair is met, screw one end of vertical shift screw pair connects the defeated of vertical shift screw decelerating motor by shaft coupling
Shaft.
Preferably, the transverse-moving mechanism includes the traversing screw pair and transverse slide rail that are mounted between two or so bar bottoms,
Traversing slide is installed by sliding block on the transverse slide rail, the traversing slide connects the feed screw nut of traversing screw pair, described
One end of the screw of traversing screw pair connects the output shaft of the vertical shift screw decelerating motor by shaft coupling.
Preferably, the Simulation of Precipitation mechanism includes simulation mechanism pedestal, rotating base, lifting lug, rotary shaft, the simulation
Mechanism base is installed on the vertical shift slide bottom, and the rotating base is installed on the simulation mechanism pedestal, the lifting lug position
In the top of the rotating base, it is rotatablely connected by the rotary shaft and the rotating base.
Preferably, the revolving power mechanism includes dynamic retarding motor, pacifies on the output shaft of the dynamic retarding motor
Driving gear is filled, driving gear is engaged with the driven gear in the rotary shaft.
Preferably, the bottom of the simulation mechanism pedestal is equipped with the notch coordinated with the lifting lug, and the lifting lug is located at should
In notch.
Preferably, the Simulation of Precipitation mechanism includes being fixed on several water sprays of the bottom surface of the rotating base by pipe clamp
Pipe, the same end of the sparge pipe connect a collector pipe, and collector pipe connects feed pipe by pipeline.
Preferably, the axial direction of the rotary shaft is set in left-right direction, the setting of sparge pipe left and right directions.Cooperating can
Realize preferably regulating effect.
Preferably, the water spray bottom of the tube is equipped with several nozzles.
Preferably, the vertical shift mechanism is provided with several, and the vertical shift bar of several vertical shift mechanisms is connected respectively by traversing slide
Connect transverse slide rail.
Preferably, the dynamic rotation mechanism is actuating cylinder, the piston rod of actuating cylinder and the front side of lifting lug or rear side
Hinged, actuating cylinder is then hinged by rotary pneumatic cylinder seat and the bottom of simulation mechanism pedestal.
Preferably, wind-force mechanism is installed, the wind-force mechanism is installed on the left side by one or more on the left and right bar
Wind turbine composition on right bar.
Compared with the relevant technologies, the advantageous effect of technical solution used in the embodiment of the present invention is：Ground one kind is provided to be used for
The rainfall simulator of slope model test supports shift mechanism and Simulation of Precipitation mechanism, the shifting based on truss structure
Position mechanism includes transverse-moving mechanism and vertical shift mechanism, and transverse-moving mechanism described in the transverse-moving mechanism, which moves left and right, drives vertical shift mechanism to move
Dynamic, so as to which the Simulation of Precipitation mechanism be driven to move left and right, the vertical shift mechanism, which is moved forward and backward, drives the Simulation of Precipitation mechanism
It is moved forward and backward, the movement of each point position of the Simulation of Precipitation mechanism in entire plane is completed in thus cooperation；So as to realize drop
The movement whole for Landslide Model of Fluid Dynamics mechanism can be moved to each orientation of Landslide Model to simulate landslide
The rainfall of model different direction；The Simulation of Precipitation mechanism drives rotating base to drive Simulation of Precipitation machine by revolving power mechanism
Structure rotates, and realizes the rainfall of different angle；It is applicable to the use of large-scale Landslide Model, high degree of automation.
Description of the drawings
Fig. 1 is the rainfall simulator structure diagram of the embodiment of the present invention one；
Structure diagrams of the Fig. 2 for transverse-moving mechanism in the rainfall simulator of the embodiment of the present invention one；
Structure diagrams of the Fig. 3 for vertical shift mechanism in the rainfall simulator of the embodiment of the present invention one；
Structure diagrams of the Fig. 4 for Simulation of Precipitation mechanism in the rainfall simulator of the embodiment of the present invention one；
Structure diagrams of the Fig. 5 for rotating base in the rainfall simulator of the embodiment of the present invention one；
Fig. 6 is the schematic diagram for the rainfall simulator that the embodiment of the present invention two has multiple vertical shift mechanisms；
Fig. 7 is the structure diagram that revolving power mechanism is actuating cylinder in three rainfall simulator of the embodiment of the present invention；
Fig. 8 is the rainfall simulator structure diagram that the embodiment of the present invention four has wind-force mechanism.
Wherein：Simulation of Precipitation mechanism 1, simulation mechanism pedestal 11, rotating base 12, lifting lug 13, rotary shaft 14, transverse-moving mechanism
2nd, traversing screw pair 21, transverse slide rail 22, traversing slide 23, vertical shift mechanism 3, vertical shift bar 31, vertical shift screw pair 32, vertical shift slide rail
33rd, vertical shift slide 34, vertical bar 5, left and right bar 6, front and rear bar 7, dynamic retarding motor 8, actuating cylinder 15, wind turbine 16.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
Please refer to Fig.1,2,3, the embodiment provides a kind of rainfall simulator for slope model test,
Including truss structure, shift mechanism and Simulation of Precipitation mechanism 1, the shift mechanism is installed on the truss structure, the drop
Fluid Dynamics mechanism 1 is slidably mounted on by the shift mechanism on the truss structure；The shift mechanism includes traversing
Mechanism 2 and vertical shift mechanism 3, the Simulation of Precipitation mechanism 1 are connect with the vertical shift mechanism 3, the vertical shift mechanism 3 with it is described traversing
Mechanism 2 connects；The Simulation of Precipitation mechanism 1 includes the rotating base 12 driven by revolving power mechanism, the rotary power
Mechanism provides power for the rotation of rotating base 12, and the Simulation of Precipitation mechanism 1 rotates therewith, and realizes different angle simulation drop
Rain；The transverse-moving mechanism 2, which moves left and right, drives the vertical shift mechanism 3 to move, so as to drive 1 or so the shifting of Simulation of Precipitation mechanism
Dynamic, the vertical shift mechanism 3, which is moved forward and backward, drives the Simulation of Precipitation mechanism 1 to be moved forward and backward, and realizes Simulation of Precipitation mechanism 1 in plane
The rainfall of interior any position.
Further, the truss structure includes the vertical bar 5 being vertically arranged, the left and right bar 6 and preceding of left and right directions setting
The both ends of the front and rear bar 7 of rear direction setting, the left and right bar 6 and front and rear bar 7 are respectively connect with the vertical bar 5, two left sides
Right bar 6 and two front and rear bars 7 form rectangular frame structure.It is provided for the shift mechanism and the Simulation of Precipitation mechanism 1
Support force.
Further, the vertical shift mechanism 3 includes being parallel to the vertical shift bar 31 of front and rear bar setting, the bottom of the vertical shift bar 31
Portion is equipped with the vertical shift screw pair 32 and vertical shift slide rail 33 of front-rear direction setting, installs vertical shift by sliding block in the vertical shift slide rail 33
Slide 34, the vertical shift slide 34 connect the feed screw nut of vertical shift screw pair 32, and screw one end of the vertical shift screw pair 32 leads to
Cross the output shaft of shaft coupling connection vertical shift screw decelerating motor.
Further, the transverse-moving mechanism 2 includes the traversing screw pair 21 and traversing being mounted between two or so bars, 6 bottom
Sliding rail 22 installs traversing slide 23 on the transverse slide rail 22 by sliding block, and the traversing slide 23 connects traversing screw pair 21
Feed screw nut, one end of the screw of the traversing screw pair 21 connects the defeated of the vertical shift screw decelerating motor by shaft coupling
Shaft.Mobile drive 3 synchronizing moving of vertical shift mechanism of transverse-moving mechanism 2, so as to which Simulation of Precipitation mechanism 1 be driven to move.
Specifically, the screw rotation of the traversing screw pair 21 drives traversing slide 23 sliding on the transverse slide rail 22
It is dynamic, so as to drive the vertical shift bar 31 of the matrix of the vertical shift mechanism 3 on traversing slide 23 synchronizing moving therewith；The vertical shift screw pair
32 screw rotation drives 1 slip in vertical shift slide rail 33 of Simulation of Precipitation mechanism, passes through transverse-moving mechanism 2 and vertical shift mechanism 3
Collaboration complete 1 movement planar of Simulation of Precipitation mechanism.
Further, with reference to attached drawing 4,5, the Simulation of Precipitation mechanism 1 further includes simulation mechanism pedestal 11, lifting lug 13, rotation
Shaft 14, the simulation mechanism pedestal 11 are installed on the bottom of the vertical shift slide 34, and the rotating base 12 is installed on described
On simulation mechanism pedestal 11, the lifting lug 13 is located at the top of the rotating base 12, passes through the rotary shaft 14 and the rotation
Turn pedestal 12 to be rotatablely connected.
Further, the revolving power mechanism includes dynamic retarding motor 8, the output shaft of the dynamic retarding motor 8
Upper installation driving gear, driving gear are engaged with the driven gear in the rotary shaft 14.Dynamic retarding motor 8 is Simulation of Precipitation
The powered rotation of mechanism 1.
Further, the bottom of the simulation mechanism pedestal 11 is equipped with the notch coordinated with the lifting lug 13, the lifting lug
13 are located in the notch.
Further, the Simulation of Precipitation mechanism 1 includes being fixed on the number of the bottom surface of the rotating base 12 by pipe clamp
A sparge pipe, the same end of the sparge pipe connect a collector pipe, and collector pipe connects feed pipe by pipeline.
Further, the axial direction of the rotary shaft 14 is set in left-right direction, the setting of sparge pipe left and right directions.Can be achieved compared with
Excellent regulating effect.
Further, the water spray bottom of the tube is equipped with several nozzles, can be different by the way that the number of nozzle spray is controlled to realize
The precipitation of density.
Embodiment two
Fig. 6 is please referred to, it is described the embodiment provides a kind of rainfall simulator for slope model test
Vertical shift mechanism 3 be provided with it is multiple, multiple vertical shift mechanisms independently of each other but again collection together in same transverse-moving mechanism 2, it is multiple
The vertical shift bar 31 of the vertical shift mechanism 3 connects transverse slide rail 22 by traversing slide 23 respectively, can by increasing vertical shift mechanism 3
Increase the quantity of Simulation of Precipitation mechanism 1 that can be set, greatly improve the covered area of simulated precipitation institute.Remaining same embodiment
One.
Embodiment three
Fig. 7 is please referred to, the embodiment provides a kind of rainfall simulator for slope model test, rotations
Actuating unit includes actuating cylinder 15, and piston rod and the front side of lifting lug 13 or rear side of the actuating cylinder are hinged, actuating cylinder
15 are hinged by rotary pneumatic cylinder seat and the bottom of simulation mechanism pedestal 11, improve stability during rotation.Remaining same embodiment
One.
Example IV
Fig. 8 is please referred to, the embodiment provides a kind of rainfall simulator for slope model test, left and right
Being installed on bar 6 does not influence the wind-force mechanism that the transverse-moving mechanism 2 is run, and wind-force mechanism is installed on by multiple on the left and right bar 6
Wind turbine 16 form, wind turbine 16 is lifted on by stent on left and right bar 6, and on wind turbine 16 design wind direction regulating mechanism can imitate
The natural wind of different wind directions.In order to improve more true Simulation of Precipitation, increase wind-force factor.
Further, the wind turbine 16 is axial flow blower or centrifugal blower.Remaining is the same as embodiment one.
Herein, the involved nouns of locality such as forward and backward, upper and lower are to be located in figure with parts in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of rainfall simulator for slope model test, it is characterized in that, including truss structure, shift mechanism and precipitation
Simulation mechanism, the shift mechanism are installed on the truss structure, and the Simulation of Precipitation mechanism can by the shift mechanism
It is movably installed on the truss structure；The shift mechanism includes transverse-moving mechanism and vertical shift mechanism, the Simulation of Precipitation machine
Structure is connect with the vertical shift mechanism, and the vertical shift mechanism is connect with the transverse-moving mechanism；The Simulation of Precipitation mechanism includes passing through
The rotating base of revolving power mechanism driving；The transverse-moving mechanism, which moves left and right, drives vertical shift mechanism to move left and right, so as to drive
The Simulation of Precipitation mechanism moves left and right, and the vertical shift mechanism, which is moved forward and backward, drives the Simulation of Precipitation mechanism to be moved forward and backward.
2. a kind of rainfall simulator for slope model test according to claim 1, it is characterized in that, the truss
Structure includes the front and rear bar of the vertical bar being vertically arranged, the left and right bar of left and right directions setting and front-rear direction setting, the left and right
The both ends of bar and front and rear bar are respectively connect with the vertical bar, and two or so bars and two front and rear bars form rectangular frame
Structure.
3. a kind of rainfall simulator for slope model test according to claim 2, it is characterized in that, the vertical shift
Mechanism includes being parallel to the vertical shift bar of the front and rear bar setting, and the bottom of the vertical shift bar is equipped with the vertical shift silk of front-rear direction setting
Bar is secondary and vertical shift slide rail, and passing through sliding block in the vertical shift slide rail installs vertical shift slide, and vertical shift slide connects the silk of vertical shift screw pair
Stem nut, screw one end of vertical shift screw pair connect the output shaft of vertical shift screw decelerating motor by shaft coupling.
4. a kind of rainfall simulator for slope model test according to claim 3, it is characterized in that, it is described traversing
Mechanism includes the traversing screw pair and transverse slide rail that are mounted between the two left and right bar bottoms, passes through cunning on the transverse slide rail
The traversing slide of block installation, the feed screw nut of the traversing screw pair of the traversing slide connection, the one of the screw of the traversing screw pair
End connects the output shaft of the vertical shift screw decelerating motor by shaft coupling.
5. a kind of rainfall simulator for slope model test according to claim 3, it is characterized in that, the precipitation
Simulation mechanism includes simulation mechanism pedestal, lifting lug, rotary shaft, the simulation mechanism floor installation in the vertical shift slide bottom,
The rotating base is installed on the simulation mechanism pedestal, and the lifting lug is located at the top of the rotating base, passes through the rotation
Shaft is rotatablely connected with the rotating base.
6. a kind of rainfall simulator for slope model test according to claim 5, it is characterized in that, the rotation
Actuating unit includes dynamic retarding motor, and driving gear, driving gear and institute are installed on the output shaft of the dynamic retarding motor
State the driven gear engagement in rotary shaft.
7. a kind of rainfall simulator for slope model test according to claim 5, it is characterized in that, the simulation
The bottom of mechanism base is equipped with the notch coordinated with the lifting lug, and the lifting lug is located in the notch.
8. a kind of rainfall simulator for slope model test according to claim 5, it is characterized in that, the rotation
Actuating unit includes actuating cylinder, the piston rod of the actuating cylinder and the front side of lifting lug or rear side is hinged, and actuating cylinder then leads to
It crosses rotary cylinder seat and the bottom of simulation mechanism pedestal is hinged.
9. a kind of rainfall simulator for slope model test according to claim 1, it is characterized in that, the left and right
Wind-force mechanism is installed, the wind-force mechanism is made of the wind turbine that one or more is installed on the bar of left and right on bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104321.4A CN108230859B (en) | 2018-02-02 | 2018-02-02 | Rainfall simulation device for landslide model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104321.4A CN108230859B (en) | 2018-02-02 | 2018-02-02 | Rainfall simulation device for landslide model test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076890A (en) * | 2019-12-17 | 2020-04-28 | 合肥工业大学 | Building wind and rain effect simulation test device |
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