CN117761290A - Rainfall-induced lower rock slope collapse influence simulation test device - Google Patents
Rainfall-induced lower rock slope collapse influence simulation test device Download PDFInfo
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- CN117761290A CN117761290A CN202410195327.2A CN202410195327A CN117761290A CN 117761290 A CN117761290 A CN 117761290A CN 202410195327 A CN202410195327 A CN 202410195327A CN 117761290 A CN117761290 A CN 117761290A
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- 239000011435 rock Substances 0.000 title claims abstract description 43
- 238000004088 simulation Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 230000008093 supporting effect Effects 0.000 claims description 60
- 238000007906 compression Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 17
- 239000004927 clay Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 12
- 230000001976 improved effect Effects 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000007921 spray Substances 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The embodiment of the application provides a device for simulating the influence of rock slope collapse under rainfall induction, and relates to the field of landslide tests. The rainfall-induced lower rock slope collapse influence simulation test device comprises: natural slope model, slide-resistant stake, cantilever support subassembly, syntropy transmission subassembly, trilateral frame formula protection subassembly and double-deck waterproof cloth subassembly. Due to the fact that equal depth excavation is adopted, the three-frame type protection assembly is used for protection after excavation, collapse of natural rock slopes during grooving excavation is controlled, tamping filling is carried out to equal depth between the double-layer waterproof cloth assemblies, one section of three-frame type protection assembly is recovered before tamping filling, the double-layer waterproof cloth assemblies are attached to the inner side and the outer side of the grooving, the rainfall induces the collapse of the lower rock slopes to affect the simulation test device when a model is built, collapse of the natural rock slopes during grooving excavation can be controlled, plastic cloths can be paved on two sides of a water-resisting layer in the grooving, and water-resisting effect is improved.
Description
Technical Field
the application relates to the technical field of landslide tests, in particular to a device for simulating the influence of collapse of a rock slope under rainfall induction.
Background
The slope is the foundation for inoculating landslide, and no slope exists. Rainfall is a main factor of slope collapse induction, wherein first hand data such as stress change, deformation displacement and the like in the interior of a slope body are particularly important. If in-situ monitoring such as stress and displacement is performed on the rock slope, the monitoring period cannot be controlled or even data cannot be obtained due to the fact that the sliding of the rock slope is difficult to predict, and the inclined natural slope is huge in size and wide in monitoring area, so that the cost is extremely high.
In the related art, a rainfall-induced lower rock slope collapse influence simulation test device adopts a natural slope to carry out a test, when a model is built, a natural rock slope meeting the requirements is firstly selected, cutting grooves are manually excavated on the left side, the right side and the rear side of the natural rock slope, clay in the cutting grooves is tamped to form a water-resisting layer, a slide-resisting pile is built on the front side of the natural rock slope, a flow controller, a water level gauge and a water pressure gauge are arranged in cracks of the model, a stress sensor is arranged on the slide-resisting pile to carry out data monitoring, but the rainfall-induced lower rock slope collapse influence simulation test device is easy to collapse due to the fact that the cutting grooves are required to be manually excavated when the model is built, the left side, the right side and the rear side of the natural rock slope are easy to collapse, the model is damaged, and clay in the cutting grooves is tamped to form the water-resisting layer, if plastic cloth is paved on the two sides of the clay to form the water-resisting layer, the water-resisting effect of the water-resisting layer is obviously improved, and even if the clay is not compacted locally, the water-resisting effect of the water-resisting layer is achieved, the collapse of the natural rock slope and the water-resisting effect of the natural rock slope can be controlled when the cutting grooves are paved, and the water-resisting effect is improved when the cutting grooves are required technical problem is solved.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the rainfall-induced lower-rock-slope collapse influence simulation test device, when the rainfall-induced lower-rock-slope collapse influence simulation test device is used for constructing a model, the collapse of a natural rock slope during grooving excavation can be controlled, plastic cloth can be paved on two sides of a water-resisting layer in the grooving, and the water-resisting effect is improved.
According to an embodiment of the application, a rainfall-induced rock slope collapse influence simulation test device comprises: natural slope model, slide-resistant stake, cantilever support subassembly, syntropy transmission subassembly, trilateral frame formula protection subassembly and double-deck waterproof cloth subassembly.
The utility model discloses a natural slope model, including cantilever support subassembly, trilateral frame type protective component, natural slope model is last to excavate manually has the grooving, the slide-resistant pile build in natural slope model's front side, cantilever support subassembly fixed connection in on the slide-resistant pile, the homodromous drive subassembly set up in on the cantilever of cantilever support subassembly, trilateral frame type protective component install in the homodromous drive subassembly, the homodromous drive subassembly can the propelling movement trilateral frame type protective component stretches into in the grooving, double-deck waterproof cloth subassembly parcel in trilateral frame type protective component's inside and outside both sides, double-deck waterproof cloth subassembly can lay in the inboard and the outside of grooving.
According to some embodiments of the application, the grooving divides the natural slope model into a natural slope body and a slope model body, and the double-layer waterproof cloth assembly is tamped in the grooving through clay filling after being laid to form a waterproof layer.
According to some embodiments of the application, the cantilever bracket assembly comprises a cantilever bracket and a mounting bracket, wherein the bottom end of the cantilever bracket is fixed on the anti-slide pile, the top end of the cantilever bracket is positioned above the slope model body, the mounting bracket is transversely and fixedly connected to the top end of the cantilever bracket, and the homodromous transmission assembly is arranged on the mounting bracket.
According to some embodiments of the application, the mounting bracket comprises two supporting beams, a reinforcing beam and a mounting longitudinal beam, wherein the two supporting beams are fixedly connected through the reinforcing beam, the two supporting beams are transversely and fixedly connected to the top end of the cantilever bracket, and the mounting longitudinal beam is fixedly connected to the lower side of the supporting beams.
According to some embodiments of the application, the homodromous transmission assembly comprises a driving piece, a transmission rod piece, a conveying screw piece and a connecting block, wherein the driving piece is fixedly connected to the lower side of the supporting beam, the output end of the driving piece penetrates through the supporting beam, the transmission rod piece is rotatably connected to the upper side of the supporting beam, the output end of the driving piece is in transmission connection with the transmission rod piece, the lower end of the conveying screw piece is rotatably connected to the lower end of the mounting longitudinal beam, the upper end of the conveying screw piece is rotatably connected to the supporting beam, the top end of the conveying screw piece penetrates through the supporting beam, the transmission rod piece is in transmission connection with the top end of the conveying screw piece, the connecting block is in threaded sleeve connection with the conveying screw piece, and the outer wall of the connecting block is fixedly connected to the three-frame type protection assembly.
According to some embodiments of the application, the driving member comprises a driving motor and first helical teeth, the driving motor is fixedly connected to the lower side of the supporting beam, the output end of the driving motor penetrates through the supporting beam, the first helical teeth are fixedly connected to the output end of the driving motor, the transmission rod comprises a transmission rod and second helical teeth, the transmission rod is rotatably connected to the upper side of the supporting beam, the second helical teeth are fixedly connected to two ends of the transmission rod, and the first helical teeth are meshed with the second helical teeth, which are close to one end of the driving motor, of the transmission rod through helical teeth.
According to some embodiments of the application, the conveying screw member comprises a conveying screw and a third bevel gear, the lower end of the conveying screw is rotatably connected to the lower end of the mounting longitudinal beam, the upper end of the conveying screw is rotatably connected to the supporting cross beam, the top end of the conveying screw passes through the supporting cross beam, the third bevel gear is fixedly sleeved on the top end of the conveying screw, and the third bevel gear is meshed with the second bevel gear at one end, far away from the driving motor, of the transmission rod through the bevel gear.
According to some embodiments of the application, the three-sided frame type protection assembly comprises a three-sided protection fence plate, a top frame type support frame and a side connection plate, wherein the top frame type support frame is fixedly connected to the top of the three-sided protection fence plate, the side connection plate is fixedly connected to two ends of the side edge of the three-sided protection fence plate, and the connection block is fixedly connected to the side wall inside the three-sided protection fence plate.
According to some embodiments of the application, the double-layer waterproof cloth assembly comprises an inner-layer waterproof cloth, an outer-layer waterproof cloth and a waterproof cloth pressing fixing piece, wherein the inner-layer waterproof cloth and the outer-layer waterproof cloth cover the inner side and the outer side of the three-side guard rail plate, the inner-layer waterproof cloth and the outer-layer waterproof cloth are integrally arranged, and the waterproof cloth pressing fixing piece presses the upper ends of the inner-layer waterproof cloth and the outer-layer waterproof cloth to the three-side guard rail plate.
According to some embodiments of the application, the waterproof cloth compressing and fixing piece comprises two compressing plates, a compressing bolt and a compressing nut, wherein the compressing bolt sequentially penetrates through one compressing plate, the outer waterproof cloth, the inner waterproof cloth and the other compressing plate, the compressing nut is in threaded connection with the compressing bolt, and the compressing bolt and the compressing nut drive the two compressing plates to compress on the outer waterproof cloth and the inner waterproof cloth respectively.
According to some embodiments of the present application, the top frame support comprises a plurality of horizontal support pipes, longitudinal connection pipes, a rainfall spray head and a water inlet pipe, wherein the plurality of horizontal support pipes are horizontally and equally spaced and fixedly connected to two sides of the inside of the three-side guard rail plate, two ends of the horizontal support pipes are sealed by the three-side guard rail plate, the plurality of horizontal support pipes are fixedly connected through the plurality of longitudinal connection pipes, the inside of the horizontal support pipes is communicated with the longitudinal connection pipes, the rainfall spray head is equally spaced and arranged on the lower side of the horizontal support pipes, and the water inlet pipe is fixedly connected to one of the horizontal support pipes.
the beneficial effects of the application are as follows: the method comprises the steps of selecting a test position on a natural slope, constructing an anti-slide pile at the front end of the natural slope model, fixing a cantilever bracket assembly on the anti-slide pile, manually excavating a grooving on the natural slope model, excavating the grooving according to equal depth sections, starting a same-direction transmission assembly every time when the cantilever bracket assembly is excavated, driving a three-frame type protection assembly and a double-layer waterproof cloth assembly to move one time in the grooving, blocking the inner side of the grooving through the three-frame type protection assembly, and due to the fact that equal-depth excavation is adopted, protecting the three-frame type protection assembly after excavation, controlling collapse of a natural rock slope when the grooving is excavated, after the grooving excavation is completed, connecting the double-layer waterproof cloth assembly and the three-frame type protection assembly, tamping and filling the same-depth between the double-layer waterproof cloth assemblies, recovering the three-frame type protection assembly before tamping and filling, recovering the three-frame type protection assembly while tamping and filling the grooving, attaching the double-layer waterproof cloth assembly to the inner side of the grooving, and the rainfall inducing the collapse of the lower rock slope to influence simulation test device can control collapse of the grooving when the model is constructed, and the waterproof layer of the natural slope can be paved on two sides of the plastic.
additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a simulation test apparatus for impact of rainfall-induced down-rock slope collapse according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of a natural ramp model according to an embodiment of the present application;
FIG. 3 is a schematic perspective view of a cantilever bracket assembly according to an embodiment of the present application;
FIG. 4 is a schematic perspective view of a mounting bracket according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a homodromous drive assembly according to an embodiment of the present application;
FIG. 6 is an enlarged schematic perspective view of FIG. 5A according to an embodiment of the present application;
FIG. 7 is an enlarged schematic perspective view of the structure of FIG. 5 at B according to an embodiment of the present application;
fig. 8 is a schematic perspective view of a three-frame type protective assembly according to an embodiment of the present application;
fig. 9 is a schematic perspective view of a double-layered tarpaulin assembly according to an embodiment of the present application;
FIG. 10 is an enlarged schematic perspective view of FIG. 9 at C according to an embodiment of the present application;
fig. 11 is a schematic perspective view of a top frame type supporting frame according to an embodiment of the present application.
icon: 100-natural ramp model; 110-natural slope; 120-ramp model body; 130-a water barrier layer; 200-slide-resistant piles; 300-cantilever support assembly; 310-cantilever support; 320-mounting a bracket; 321-supporting a cross beam; 322-reinforcing beams; 323-mounting a longitudinal beam; 400-same direction transmission component; 410-a driver; 411-driving motor; 412-first helical teeth; 420-a transmission rod piece; 421-driving rod; 422-second helical teeth; 430-conveying screw members; 431-conveying screw; 432-third helical teeth; 440-connecting blocks; 500-three-frame protective component; 510-three-sided guard rail plates; 520-top frame support; 521-transverse support tubes; 522-longitudinal connecting tubes; 523-rainfall nozzle; 524-inlet pipe; 530-side connection plates; 600-double layer tarpaulin assembly; 610-inner layer tarpaulin; 620-outer waterproof cloth; 630-waterproof cloth pressing fixing piece; 631-a compacting plate; 632-hold-down bolt; 633-compression nut.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
a rainfall-induced rock slope collapse influence simulation test device according to an embodiment of the present application is described below with reference to the accompanying drawings.
Referring to fig. 1 to 11, a rainfall-induced rock slope collapse influence simulation test device according to an embodiment of the present application includes: the natural slope model 100, the slide-resistant pile 200, the cantilever bracket assembly 300, the homodromous transmission assembly 400, the trilateral frame type protection assembly 500 and the double-layer waterproof cloth assembly 600.
Referring to fig. 1, a slot is manually excavated on a natural slope model 100, an anti-slide pile 200 is constructed on the front side of the natural slope model 100, a cantilever bracket assembly 300 is fixedly connected to the anti-slide pile 200, a homodromous transmission assembly 400 is arranged on a cantilever of the cantilever bracket assembly 300, a trilateral frame type protection assembly 500 is installed on the homodromous transmission assembly 400, the homodromous transmission assembly 400 can push the trilateral frame type protection assembly 500 to extend into the slot, a double-layer waterproof cloth assembly 600 is wrapped on the inner side and the outer side of the trilateral frame type protection assembly 500, and the double-layer waterproof cloth assembly 600 can be paved on the inner side and the outer side of the slot. The method comprises the steps that a test position is selected on a natural slope, an anti-slide pile 200 is constructed at the front end of a natural slope model 100, a cantilever bracket assembly 300 is fixed on the anti-slide pile 200, a grooving is manually excavated on the natural slope model 100, the grooving is excavated in a segmented mode according to equal depths, each section of the grooving starts a same-direction transmission assembly 400, the same-direction transmission assembly 400 drives a three-frame type protection assembly 500 and a double-layer waterproof cloth assembly 600 to move inwards in the grooving, the inner side of the grooving is blocked by the three-frame type protection assembly 500, due to the fact that equal-depth excavation is adopted, the three-frame type protection assembly 500 is used for protection after excavation, so that collapse of a natural rock slope is controlled when the grooving is excavated, after the grooving excavation is completed, the double-layer waterproof cloth assembly 600 is also deeply excavated into the grooving along with the three-frame type protection assembly 500, connection between the double-layer waterproof cloth assembly 600 is released, the equal depths are filled in a solid mode, a section of the three-frame type protection assembly 500 is recovered before the compaction is filled, the three-frame type protection assembly 500 is recovered, the inner side of the grooving is used for tamping filling, the grooving is carried out by using clay, the three-frame type protection assembly 600 is attached to the inner side of the grooving, the grooving is used for protection, the three-frame type protection assembly 500 is used for protection, the natural rock slope is excavated, the natural rock slope is controlled, the natural rock slope is excavated, when the grooving is controlled, the effect is controlled, the slope is controlled, and the slope is controlled to collapse effect is achieved, and the slope is controlled when the slope is controlled, and the slope is inclined, and the effect can be controlled when the slope is under the slope and the slope is under the test, and the slope and can be controlled.
Referring to fig. 2, the slot divides the natural slope model 100 into a natural slope body 110 and a slope model body 120, and the double-layer waterproof cloth assembly 600 is compacted in the slot by clay filling after being laid to form the waterproof layer 130. While recovering the three-frame type protective assembly 500, the clay is used for tamping and filling the grooving to form the water-resisting layer 130, the double-layer waterproof cloth assembly 600 is positioned on the inner side and the outer side of the water-resisting layer 130, and the water-resisting effect is improved.
Referring to fig. 3, the cantilever bracket assembly 300 includes a cantilever bracket 310 and a mounting bracket 320, wherein the bottom end of the cantilever bracket 310 is fixed on the anti-slide pile 200, the top end of the cantilever bracket 310 is located above the slope model body 120, the mounting bracket 320 is transversely and fixedly connected to the top end of the cantilever bracket 310, and the homodromous transmission assembly 400 is arranged on the mounting bracket 320. Support is provided for the three-sided frame guard assembly 500 by cantilever bracket 310 and support is provided for the installation of the homodromous drive assembly 400 by mounting bracket 320.
Referring to fig. 4, the mounting bracket 320 includes two supporting beams 321, a reinforcing beam 322 and a mounting longitudinal beam 323, the two supporting beams 321 are fixedly connected through the reinforcing beam 322, the two supporting beams 321 are transversely and fixedly connected to the top end of the cantilever bracket 310, and the mounting longitudinal beam 323 is fixedly connected to the lower side of the supporting beam 321. The stiffening beam 322 is used for supporting and strengthening the two supporting beams 321, so that the two supporting beams 321 are connected into a whole, the supporting beams 321 provide supporting points for the transmission part of the homodromous transmission assembly 400, and the installation longitudinal beams 323 provide supporting points for the conveying part of the homodromous transmission assembly 400.
Referring to fig. 5, the homodromous transmission assembly 400 includes a driving member 410, a transmission rod 420, a conveying screw member 430 and a connection block 440, wherein the driving member 410 is fixedly connected to the lower side of the supporting beam 321, the output end of the driving member 410 passes through the supporting beam 321, the transmission rod 420 is rotationally connected to the upper side of the supporting beam 321, the output end of the driving member 410 is in transmission connection with the transmission rod 420, the lower end of the conveying screw member 430 is rotationally connected to the lower end of the mounting longitudinal beam 323, the upper end of the conveying screw member 430 is rotationally connected to the supporting beam 321, the top end of the conveying screw member 430 penetrates through the supporting beam 321, the transmission rod 420 is in transmission connection with the top end of the conveying screw member 430, the connection block 440 is in threaded sleeve connection with the conveying screw member 430, and the outer wall of the connection block 440 is fixedly connected to the trilateral frame type protection assembly 500.
Referring to fig. 6, the driving member 410 includes a driving motor 411 and a first helical gear 412, the driving motor 411 is fixedly connected to the lower side of the supporting beam 321, the output end of the driving motor 411 passes through the supporting beam 321, the first helical gear 412 is fixedly connected to the output end of the driving motor 411, the driving rod 420 includes a driving rod 421 and a second helical gear 422, the driving rod 421 is rotatably connected to the upper side of the supporting beam 321, the second helical gear 422 is fixedly connected to two ends of the driving rod 421, and the first helical gear 412 is engaged with the second helical gear 422 of one end of the driving rod 421, which is close to the driving motor 411, through the helical gear.
Referring to fig. 7, the conveying screw 430 includes a conveying screw 431 and a third bevel gear 432, the lower end of the conveying screw 431 is rotatably connected to the lower end of the mounting longitudinal beam 323, the upper end of the conveying screw 431 is rotatably connected to the supporting cross beam 321, the top end of the conveying screw 431 passes through the supporting cross beam 321, the third bevel gear 432 is fixedly sleeved on the top end of the conveying screw 431, and the third bevel gear 432 is engaged with the second bevel gear 422 of the end of the driving rod 421 far from the driving motor 411 through the bevel gear. When the three-frame type protection assembly 500 moves, the driving motor 411 is started, the driving motor 411 drives the first helical tooth 412, the first helical tooth 412 drives the second helical tooth 422 at one end of the transmission rod 421 to rotate through the helical tooth meshing principle, the transmission rod 421 rotates along with the second helical tooth 422, the second helical tooth 422 at the other end of the transmission rod 421 is driven to rotate, the transmission rod 421 is far away from the second helical tooth 422 of the first helical tooth 412, the third helical tooth 432 is driven to rotate through the helical tooth meshing principle, the third helical tooth 432 drives the conveying screw 431 to rotate, the conveying screw 431 drives the connecting block 440 through the thread transmission principle, and the connecting block 440 drives the three-frame type protection assembly 500 to move.
Referring to fig. 8, the three-sided frame type protection assembly 500 includes a three-sided protection rail 510, a top frame type supporting frame 520 and a side connecting plate 530, wherein the top frame type supporting frame 520 is fixedly connected to the top of the three-sided protection rail 510, the side connecting plate 530 is fixedly connected to two ends of the side of the three-sided protection rail 510, and the connecting block 440 is fixedly connected to the side wall inside the three-sided protection rail 510. Three sides excavated by the slope model body 120 are protected by the three-side protection fence plate 510, the top of the three-side protection fence plate 510 is reinforced by the top frame type supporting frame 520, and the other side of the three-side protection fence plate 510 is reinforced by the side connecting plate 530.
Referring to fig. 9, the double-layered tarpaulin assembly 600 includes an inner tarpaulin 610, an outer tarpaulin 620 and a tarpaulin compressing fixture 630, the inner tarpaulin 610 and the outer tarpaulin 620 cover the inner and outer sides of the three-sided guard rail plate 510, the inner tarpaulin 610 and the outer tarpaulin 620 are integrally provided, and the tarpaulin compressing fixture 630 compresses the upper ends of the inner tarpaulin 610 and the outer tarpaulin 620 to the three-sided guard rail plate 510.
Referring to fig. 10, the waterproof cloth pressing fixing member 630 includes two pressing plates 631, a pressing bolt 632 and a pressing nut 633, the pressing bolt 632 sequentially penetrates one of the pressing plates 631, the outer waterproof cloth 620, the inner waterproof cloth 610 and the other pressing plate 631, the pressing nut 633 is screwed to the pressing bolt 632, and the pressing bolt 632 and the pressing nut 633 drive the two pressing plates 631 to respectively press the outer waterproof cloth 620 and the inner waterproof cloth 610. After the inner waterproof cloth 610 and the outer waterproof cloth 620 are deeply cut into grooves, the compression nuts 633 are taken down from the compression bolts 632, the compression bolts 632 are pulled out, the compression of the compression plates 631 on the inner waterproof cloth 610 and the outer waterproof cloth 620 is released, clay is filled between the inner waterproof cloth 610 and the outer waterproof cloth 620 when clay is backfilled, and then compaction is performed, so that the waterproof effect is improved through the inner waterproof cloth 610 and the outer waterproof cloth 620.
Referring to fig. 11, in the related art, a rainfall device is needed to simulate rainfall in the simulation test, but the rainfall device is separately arranged, firstly, because the rainfall device needs to cover the upper part of the slope model body, the rainfall device needs to root and support, secondly, the rainfall device needs to separately set corresponding rainfall piping, and if the problem of improving the rainfall structure by using the three-frame type protection component layout rainfall structure can be effectively utilized, the structure can be simplified.
In order to solve the technical problems, the technical scheme adopted by the invention is that the top frame type supporting frame 520 comprises a plurality of transverse supporting pipes 521, longitudinal connecting pipes 522, rainfall nozzles 523 and water inlet pipes 524, wherein the plurality of transverse supporting pipes 521 are transversely and equally spaced and fixedly connected to two sides of the inside of the three-side guard rail plate 510, two ends of the transverse supporting pipes 521 are sealed by the three-side guard rail plate 510, the plurality of transverse supporting pipes 521 are fixedly connected through the plurality of longitudinal connecting pipes 522, the inside of the transverse supporting pipes 521 is communicated with the longitudinal connecting pipes 522, the rainfall nozzles 523 are equally spaced and arranged on the lower sides of the transverse supporting pipes 521, and the water inlet pipes 524 are fixedly communicated with one of the transverse supporting pipes 521. After the three-side protection fence 510 is recovered, the water inlet pipe 524 is communicated with a water source, water enters the transverse support pipe 521 through the water inlet pipe 524, then enters the rest transverse support pipes 521 through the longitudinal connecting pipe 522, finally, the water is sprayed through the rainfall spray heads 523, the three-side protection fence 510 is utilized for rooting in a rainfall structure, a supporting structure is not required to be arranged independently, the plurality of transverse support pipes 521 and the longitudinal connecting pipe 522 are reinforced, meanwhile, a rainfall pipe is not required to be arranged independently, the rainfall spray heads 523 are positioned in the three-side protection fence 510 when the rainfall spray heads 523 simulate rainfall, the three-side protection fence 510 blocks the simulated rainwater sprayed by the rainfall spray heads 523, the simulated rainwater is reduced to be sprayed out of the slope model body 120, and the natural slope body 110 outside the slope model body 120 is reduced to be damaged due to the influence of the simulated rainwater.
specifically, the rainfall induces the working principle of the rock slope collapse influence simulation test device: the test position is selected on the natural slope, the anti-slide pile 200 is constructed at the front end of the natural slope model 100, the cantilever bracket 310 is fixed on the anti-slide pile 200, the grooving is manually excavated on the natural slope model 100, the grooving is excavated in sections according to equal depth, the same-direction transmission assembly 400 is started every section of excavation, the driving motor 411 is started, the driving motor 411 drives the first helical gear 412, the first helical gear 412 drives the second helical gear 422 at one end of the transmission rod 421 to rotate through the helical gear meshing principle, the transmission rod 421 rotates along with the second helical gear 422, the second helical gear 422 at the other end of the transmission rod 421 is driven to rotate, the transmission rod 421 is far away from the second helical gear 422 of the first helical gear 412, the third helical gear 432 drives the conveying screw 431 to rotate through the helical gear meshing principle, the conveying screw 431 drives the connecting block 440 through the thread transmission principle, the connecting block 440 drives the three-side protection fence 510, the inner waterproof cloth 610 and the outer waterproof cloth 620 to move inwards for a section, the inner side of the grooving is blocked by the three-side guard fence 510, the three-side guard fence 510 is used for protection after the grooving is excavated, so that collapse of natural rock slopes during grooving is controlled, after grooving is completed, the inner layer waterproof cloth 610 and the outer layer waterproof cloth 620 are also deeply penetrated into the grooving along with the three-side guard fence 510, the compression nut 633 is removed from the compression bolt 632, the compression bolt 632 is pulled out, the compression of the inner layer waterproof cloth 610 and the outer layer waterproof cloth 620 by the compression plate 631 is released, clay is filled between the inner layer waterproof cloth 610 and the outer layer waterproof cloth 620, tamping is performed, a section of the three-side guard fence 510 is recovered before tamping, the three-side guard assembly 500 is recovered while tamping is performed to fill the grooving by using clay to form a waterproof layer 130, the inner layer waterproof cloth 610 and the outer layer waterproof cloth 620 are attached to the inner side and the outer side of the waterproof layer 130, the rainfall-induced lower rock slope collapse influence simulation test device can control collapse of a natural rock slope during grooving excavation when a model is built, plastic cloth can be paved on two sides of a water-resisting layer in the grooving, and water-resisting effect is improved.
After the three-side protection fence 510 is recovered, the water inlet pipe 524 is communicated with a water source, water enters the transverse support pipe 521 through the water inlet pipe 524, then enters the rest transverse support pipes 521 through the longitudinal connecting pipe 522, finally, the water is sprayed through the rainfall spray heads 523, the three-side protection fence 510 is utilized for rooting in a rainfall structure, a supporting structure is not required to be arranged independently, the plurality of transverse support pipes 521 and the longitudinal connecting pipe 522 are reinforced, meanwhile, a rainfall pipe is not required to be arranged independently, the rainfall spray heads 523 are positioned in the three-side protection fence 510 when the rainfall spray heads 523 simulate rainfall, the three-side protection fence 510 blocks the simulated rainwater sprayed by the rainfall spray heads 523, the simulated rainwater is reduced to be sprayed out of the slope model body 120, and the natural slope body 110 outside the slope model body 120 is reduced to be damaged due to the influence of the simulated rainwater.
It should be noted that, the specific model specification of the driving motor 411 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so that detailed details are not repeated.
The power supply of the driving motor 411 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The above embodiments of the present application are only examples, and are not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (10)
1. Rainfall is induced down rock matter slope and is collapsed influence analogue test device, natural slope model and slide-resistant stake, the manual work excavates the grooving on the natural slope model, slide-resistant stake build in the front side of natural slope model, its characterized in that still includes:
The cantilever bracket component is fixedly connected to the anti-slide pile;
the same-direction transmission assembly is arranged on a cantilever of the cantilever bracket assembly;
the three-frame type protection assembly is arranged on the same-direction transmission assembly, and the same-direction transmission assembly can push the three-frame type protection assembly to extend into the cutting groove;
The double-layer waterproof cloth assembly wraps the inner side and the outer side of the trilateral frame type protection assembly, and the double-layer waterproof cloth assembly can be laid on the inner side and the outer side of the cutting groove.
2. the rainfall-induced downward rock slope collapse influence simulation test device according to claim 1, wherein the grooving divides the natural slope model into a natural slope body and a slope model body, and the double-layer waterproof cloth component is compacted in the grooving through clay filling after being paved to form a waterproof layer.
3. The rainfall-induced downward rock slope collapse influence simulation test device according to claim 2, wherein the cantilever bracket assembly comprises a cantilever bracket and a mounting bracket, the bottom end of the cantilever bracket is fixed on the anti-slide pile, the top end of the cantilever bracket is positioned above the slope model body, the mounting bracket is transversely and fixedly connected to the top end of the cantilever bracket, and the homodromous transmission assembly is arranged on the mounting bracket.
4. A rainfall-induced lower rock slope collapse influence simulation test device according to claim 3, wherein the mounting bracket comprises two supporting beams, a reinforcing beam and a mounting longitudinal beam, the two supporting beams are fixedly connected through the reinforcing beam, the two supporting beams are transversely and fixedly connected to the top ends of the cantilever brackets, and the mounting longitudinal beam is fixedly connected to the lower side of the supporting beams.
5. The rainfall-induced lower rock slope collapse influence simulation test device according to claim 4, wherein the homodromous transmission assembly comprises a driving piece, a transmission rod piece, a conveying screw piece and a connecting block, wherein the driving piece is fixedly connected to the lower side of the supporting beam, the output end of the driving piece penetrates through the supporting beam, the transmission rod piece is rotationally connected to the upper side of the supporting beam, the output end of the driving piece is in transmission connection with the transmission rod piece, the lower end of the conveying screw piece is in rotation connection with the lower end of the mounting longitudinal beam, the upper end of the conveying screw piece is in rotation connection with the supporting beam, the top end of the conveying screw piece penetrates through the supporting beam, the transmission rod piece is in transmission connection with the top end of the conveying screw piece, the connecting block is in threaded sleeve joint with the conveying screw piece, and the outer wall of the connecting block is fixedly connected to the three-frame type protection assembly.
6. The simulated test device for impact of rainfall-induced lower rock slope collapse as claimed in claim 5, wherein said driving member comprises a driving motor and first helical teeth, said driving motor is fixedly connected to the underside of said supporting beam, said driving motor output passes through said supporting beam, said first helical teeth are fixedly connected to said driving motor output, said driving rod comprises a driving rod and second helical teeth, said driving rod is rotatably connected to the upper side of said supporting beam, said second helical teeth are fixedly connected to both ends of said driving rod, and said first helical teeth are engaged with said second helical teeth of said driving rod adjacent to one end of said driving motor through helical teeth.
7. the simulated test device for the impact of rainfall-induced lower rock slope collapse of claim 6, wherein said conveyor screw member comprises a conveyor screw and a third helical tooth, said conveyor screw lower end is rotatably connected to said mounting stringer lower end, said conveyor screw upper end is rotatably connected to said support cross beam, said conveyor screw top passes through said support cross beam, said third helical tooth is fixedly sleeved on said conveyor screw top, said third helical tooth is engaged by said helical tooth with said second helical tooth at said end of said drive rod remote from said drive motor.
8. The simulated test device for the impact of a rainfall-induced downward rock slope collapse of claim 5, wherein the trilateral frame type protection assembly comprises a trilateral guard rail plate, a top frame type support frame and a side connecting plate, wherein the top frame type support frame is fixedly connected to the top of the trilateral guard rail plate, the side connecting plate is fixedly connected to two ends of the side edge of the trilateral guard rail plate, and the connecting block is fixedly connected to the side wall inside the trilateral guard rail plate.
9. The rainfall-induced lower rock slope collapse influence simulation test device according to claim 8, wherein the double-layer waterproof cloth assembly comprises an inner-layer waterproof cloth, an outer-layer waterproof cloth and a waterproof cloth pressing fixing piece, the inner-layer waterproof cloth and the outer-layer waterproof cloth cover the inner side and the outer side of the three-side guard rail plate, the inner-layer waterproof cloth and the outer-layer waterproof cloth are integrally arranged, and the waterproof cloth pressing fixing piece presses the upper ends of the inner-layer waterproof cloth and the outer-layer waterproof cloth to the three-side guard rail plate.
10. The rainfall-induced lower rock slope collapse influence simulation test device according to claim 9, wherein the waterproof cloth compression fixing piece comprises two compression plates, compression bolts and compression nuts, the compression bolts sequentially penetrate through one compression plate, the outer waterproof cloth, the inner waterproof cloth and the other compression plate, the compression nuts are in threaded connection with the compression bolts, and the compression bolts and the compression nuts drive the two compression plates to respectively compress the outer waterproof cloth and the inner waterproof cloth.
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