CN212159806U - Testing device for influence of rainfall and snowfall effects on stability of side slope of tunnel portal - Google Patents
Testing device for influence of rainfall and snowfall effects on stability of side slope of tunnel portal Download PDFInfo
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- CN212159806U CN212159806U CN202022400416.6U CN202022400416U CN212159806U CN 212159806 U CN212159806 U CN 212159806U CN 202022400416 U CN202022400416 U CN 202022400416U CN 212159806 U CN212159806 U CN 212159806U
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Abstract
The utility model provides a rainfall snowfall effect belongs to the experimental technical field of side slope stability to the test device of tunnel entrance to a cave side slope stability influence, including the model subassembly, rain and snow test subassembly and the subassembly of blowing. The frame is fixed in the bottom plate, the mount is fixed in the frame, the side slope model is fixed in the bottom plate, the water tank is fixed in the bottom plate, the one end of water pump communicates in the water tank, the other end of water pump communicates in first outlet pipe, the water pipe net communicates in first outlet pipe, and the water pipe net is fixed in the frame, the control valve is fixed in the water pipe net, the shower nozzle is fixed in the water pipe net, the one end of second outlet pipe communicates in the water tank, the other end of second outlet pipe communicates in the snowmaker, the snowmaker sets up in the side slope model, gear key connects in the output of motor, the rack is fixed in the mount, gear drive is in the rack, the removal. The device can accurately measure the real data of the stability of the tunnel slope caused by rain and snow.
Description
Technical Field
The utility model relates to a slope stability test technical field particularly, relates to a rainfall snowfall effect is to test device of tunnel entrance to a cave slope stability influence.
Background
The expressway in the Tibetan region is located in a high-altitude cold area, the terrain difference of an engineering field is large in change, and the terrain condition is complex. The Tibetan highways generate a plurality of tunnels, and therefore, a plurality of tunnel portal slopes are also generated. The tunnel portal side slope is influenced by rainfall and snowfall, has very important theoretical significance and practical engineering value for researching the deformation, disintegration and damage mechanism and stability of the rock-soil side slope under the action of rainfall and snowfall, and has important guiding significance for preventing and treating the side slope in a rainy area and the snowy side slope.
At present, most of the methods mainly adopt theoretical analysis and numerical simulation methods to research the mechanism and the process of the rainfall-induced slope, mainly research the rainfall, the snow quantity, the intensity and the rainfall and snowfall time, and the rainfall or snowfall sometimes is accompanied by strong wind, but most of test devices lack the testings of wind force in the rain and snow, so that the real data of the rain and snow on the stability of the tunnel slope cannot be accurately measured.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a rainfall snowfall effect is to the test device of tunnel entrance to a cave side slope stability influence aims at improving the problem that can not the accurate measurement sleet to the true data of tunnel side slope stability.
The utility model discloses a realize like this: the utility model provides a rainfall snowfall effect is to test device of tunnel entrance to a cave side slope stability influence, including the model subassembly, rain and snow test subassembly and the subassembly of blowing.
The model assembly comprises a bottom plate, a frame, a fixing frame and a side slope model, wherein the frame is fixedly connected with the bottom plate, the fixing frame is fixedly connected with the end, away from the bottom plate, of the frame, and the side slope model is fixedly connected with the bottom plate and located in the frame.
The rain and snow test component comprises a water tank, a water pump, a first water outlet pipe, a water pipe network, a control valve, a spray head, a second water outlet pipe and a snow making machine, the water tank is fixedly connected with one end of the bottom plate close to the side slope model, one end of the water pump is communicated with the water tank, the other end of the water pump is communicated with the first water outlet pipe, the water pipe network is communicated with one end of the first water outlet pipe far away from the water pump, the water pipe network is fixedly connected with one end of the frame far away from the bottom plate, the control valve is fixedly connected with one end of the water pipe network close to the first water outlet pipe, the spray head is fixedly connected with one side of the water pipe network close to the side slope model, one end of the second water outlet pipe is communicated with the water tank, the other end of the second water outlet pipe is communicated with the snow making machine, and the snow making machine is arranged on the side slope model.
The blowing assembly comprises a motor, a gear, a rack, a moving frame and a fan, the gear is connected with the output end of the motor, the rack is fixedly connected with the fixed frame, the gear is connected with the rack in a transmission mode, the moving frame is connected with the fixed frame in a sliding mode, the motor is fixedly connected with the fixed frame, and the fan is arranged on one side, close to the slope model, of the moving frame.
In an embodiment of the present invention, the control valve is provided with a plurality of portions respectively disposed at the connection portion of the first outlet pipe and the water pipe network, and the control valve is configured to control the water output of the sprinkler.
In an embodiment of the present invention, the bottom plate has a water-returning groove.
In an embodiment of the utility model, the side slope model is kept away from one side fixedly connected with mount pad of bottom plate, the snowmaking machine rotate connect in the mount pad.
In an embodiment of the present invention, the shower head is provided with a plurality of shower nozzles and the shower nozzles are equally distributed in the water pipe network.
In an embodiment of the present invention, the snow making machine is rotatably connected to the mounting base through a rotating shaft.
The utility model discloses an in one embodiment, the spout has been seted up to the frame, it is connected with the pulley to remove the frame rotation, pulley sliding connection in the spout.
In an embodiment of the present invention, the fan is fixedly connected with a protection frame, and the protection frame is configured to protect the fan.
In an embodiment of the present invention, the motor is a servo motor.
In an embodiment of the present invention, the protection frame is far away from the one end of the moving frame, and the one end of the moving frame is fixedly connected with the cone.
The utility model has the advantages that: the utility model discloses a test device of rainfall snowfall effect to tunnel entrance to a cave side slope stability influence that obtains through above-mentioned design, when using, start the water pump, and then the water in the water tank flows into the water pipe net from first outlet pipe, and then through the control valve, the size of control water in the water pipe net, and then make rivers show different water spray intensity from the water that the shower nozzle jetted, thereby can simulate out the rainwater size under different intensity and to the stable real influence in tunnel side slope, through the effect of second outlet pipe and snow machine, can simulate out the real influence of snowfall to the stable real influence in tunnel side slope, and then start the motor, and then the motor drives gear rotation, and then the gear moves on the rack, and then the movable frame carries out the translation on the mount, and then drive the fan and move, and then can measure the real data of rain in the wind through the effect of fan, further, the real influence of rainfall on the stability of the tunnel slope can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an overall device provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of an overall explosion structure provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of a rain and snow test assembly provided by an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;
fig. 5 is a schematic structural view of a blowing assembly according to an embodiment of the present invention;
fig. 6 is an explosion structure schematic diagram of the blowing assembly provided by the embodiment of the present invention.
In the figure: 100-a model component; 110-a base plate; 111-a water withdrawal tank; 120-a frame; 121-a chute; 130-a fixed mount; 140-a slope model; 141-a mounting seat; 200-rain and snow test assembly; 210-a water tank; 220-a water pump; 230-a first water outlet pipe; 240-water piping network; 250-a control valve; 260-a spray head; 270-a second water outlet pipe; 280-a snowmaker; 300-a blowing assembly; 310-a motor; 320-gear; 330-a rack; 340-a moving rack; 341-a pulley; 350-a fan; 351-protective frame; 3511-cone shaped orifice.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify 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 therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example (b): referring to fig. 1, the present invention provides a technical solution: a testing device for influence of rainfall and snowfall on stability of a side slope of a tunnel portal comprises a model assembly 100, a rain and snow testing assembly 200 and a blowing assembly 300.
Referring to fig. 1, the rain and snow test assembly 200 and the blowing assembly 300 are mounted on the model assembly 100, the rain and snow test assembly 200 mainly provides the real influence of rain and snow on the stability of the tunnel slope, and the blowing assembly 300 mainly provides the real influence of wind blowing on the stability of the tunnel slope in rainy days.
Referring to fig. 2 and 4, the mold assembly 100 includes a bottom plate 110, a frame 120, a fixing frame 130 and a slope mold 140, wherein the frame 120 is fixedly connected to the bottom plate 110, the bottom plate 110 is provided with a water outlet groove 111, and water flowing out from the spray head 260 flows out from the water outlet groove 111 to prevent damage to the mold. The fixing frame 130 is fixedly connected to one end, far away from the bottom plate 110, of the frame 120 through bolts, the slope model 140 is fixedly connected to the bottom plate 110 through bolts and located in the frame 120, one side, far away from the bottom plate 110, of the slope model 140 is fixedly connected with a mounting seat 141 through bolts, the snow maker 280 is rotatably connected to the mounting seat 141, the snow maker 280 is arranged on the slope model 140, and the snow maker 280 is rotatably connected to the mounting seat 141 through a rotating shaft and used for moving the snow maker 280 in height.
Referring to fig. 3 and 4, the rain and snow testing assembly 200 includes a water tank 210, a water pump 220, a first water outlet pipe 230, a water pipe network 240, a control valve 250, a spray head 260, a second water outlet pipe 270 and a snow making machine 280, wherein the water tank 210 is fixedly connected to one end of the base plate 110 close to the slope model 140 through bolts, one end of the water pump 220 is communicated with the water tank 210, the other end of the water pump 220 is communicated with the first water outlet pipe 230, the water pipe network 240 is communicated with one end of the first water outlet pipe 230 far from the water pump 220, the water pipe network 240 is fixedly connected to one end of the frame 120 far from the base plate 110, the control valve 250 is fixedly connected to one end of the water pipe network 240 close to the first water outlet pipe 230, the control valve 250 is provided with a plurality of positions where the first water outlet pipe 230 and the water pipe network 240 are respectively connected. The shower nozzles 260 are fixedly connected to one side of the water piping network 240 near the side slope model 140, and the shower nozzles 260 are provided with a plurality of water piping networks 240 and equidistantly distributed to increase the reality of rainfall. One end of the second water outlet pipe 270 is communicated with the water tank 210, and the other end of the second water outlet pipe 270 is communicated with the snow making machine 280, so that the real influence of rainfall and snowfall on the stability of the tunnel slope can be truly measured, and the accuracy of data is further improved.
Referring to fig. 5 and 6, the blowing assembly 300 includes a motor 310, a gear 320, a rack 330, a moving frame 340 and a fan 350, the gear 320 is connected to an output end of the motor 310 in a key manner, the motor 310 is a servo motor, the rack 330 is fixedly connected to the fixed frame 130, the gear 320 is connected to the rack 330 in a transmission manner, the moving frame 340 is slidably connected to the fixed frame 130, the frame 120 is provided with a sliding groove 121, the moving frame 340 is rotatably connected with a pulley 341, the pulley 341 is slidably connected to the sliding groove 121, the motor 310 is fixedly connected to the fixed frame 130 for increasing stability of the moving frame 340, the fan 350 is disposed on a side of the moving frame 340 close to the slope model 140, the fan 350 is fixedly connected with a protection frame 351, the protection frame 351 is configured to protect the fan 350, damage of the fan 350 is avoided, one end of the protection frame.
Specifically, the working principle of the testing device for the influence of the rainfall and snowfall on the stability of the side slope of the tunnel portal is as follows: in use, the water pump 220 is started, and then the water in the water tank 210 flows into the water pipe network 240 from the first water outlet pipe 230, and then the size of water in the water pipe network 240 is controlled by the control valve 250, so that the water sprayed from the spray head 260 exhibits different spray intensities, thereby simulating the real influence of the size of the rainwater under different strengths on the stability of the tunnel slope, the second water outlet pipe 270 and the snow making machine 280 can simulate the real influence of snowfall on the stability of the tunnel slope, the motor 310 is further activated, and the motor 310 drives the gear 320 to rotate, so that the gear 320 moves on the rack 330, the movable frame 340 is moved horizontally on the fixed frame 130, and the fan 350 is driven to move, furthermore, the real data of rain in the wind can be measured through the action of the fan 350, and the real influence of rainfall on the stability of the tunnel slope can be further improved.
It should be noted that the specific model specifications of the water pump 220, the control valve 250, the snow making machine 280, the motor 310 and the fan 350 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The power supply and the principles of the water pump 220, the control valve 250, the snow making machine 280, the motor 310 and the fan 350 will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A test device for influence of rainfall and snowfall on stability of side slope of tunnel portal is characterized by comprising
The model assembly (100) comprises a bottom plate (110), a frame (120), a fixing frame (130) and a slope model (140), wherein the frame (120) is fixedly connected to the bottom plate (110), the fixing frame (130) is fixedly connected to one end, far away from the bottom plate (110), of the frame (120), and the slope model (140) is fixedly connected to the bottom plate (110) and is positioned in the frame (120);
the rain and snow test assembly (200) comprises a water tank (210), a water pump (220), a first water outlet pipe (230), a water pipe network (240), a control valve (250), a spray head (260), a second water outlet pipe (270) and a snow making machine (280), wherein the water tank (210) is fixedly connected to one end, close to the slope model (140), of the bottom plate (110), one end of the water pump (220) is communicated with the water tank (210), the other end of the water pump (220) is communicated with the first water outlet pipe (230), the water pipe network (240) is communicated with one end, far away from the water pump (220), of the first water outlet pipe (230), the water pipe network (240) is fixedly connected to one end, far away from the bottom plate (110), of the frame (120), and the control valve (250) is fixedly connected to one end, close to the first water outlet pipe (230), of the water pipe network (240), the spray head (260) is fixedly connected to one side, close to the slope model (140), of the water pipe network (240), one end of the second water outlet pipe (270) is communicated with the water tank (210), the other end of the second water outlet pipe (270) is communicated with the snow making machine (280), and the snow making machine (280) is arranged on the slope model (140);
blow subassembly (300), it includes motor (310), gear (320), rack (330), removes frame (340) and fan (350) to blow subassembly (300), gear (320) key-type connect in the output of motor (310), rack (330) fixed connection in mount (130), gear (320) transmission connect in rack (330), remove frame (340) sliding connection in mount (130), motor (310) fixed connection in mount (130), fan (350) set up in remove frame (340) are close to one side of side slope model (140).
2. A device for testing influence of rainfall and snowfall on slope stability at tunnel portal according to claim 1, wherein said control valve (250) is provided with a plurality of water pipes connected to said first water outlet pipe (230) and said water pipe network (240), respectively, and said control valve (250) is configured for controlling water output of said spray head (260).
3. The device for testing the influence of rainfall and snowfall on the slope stability of the tunnel portal according to claim 1, wherein the bottom plate (110) is provided with a water outlet groove (111).
4. The device for testing the influence of rainfall and snowfall on the slope stability of the tunnel portal according to claim 1, wherein a mounting seat (141) is fixedly connected to one side of the slope model (140) far away from the bottom plate (110), and the snow making machine (280) is rotatably connected to the mounting seat (141).
5. The device for testing the influence of rainfall and snowfall on the slope stability of a tunnel portal according to claim 1, wherein the sprinklers (260) are provided with a plurality of water pipes (240) and are equidistantly distributed.
6. A test device for testing influence of rainfall and snowfall on slope stability of a tunnel portal according to claim 4, wherein the snowmaking machine (280) is rotatably connected to the mounting base (141) through a rotating shaft.
7. The device for testing influence of rainfall and snowfall on slope stability of a tunnel portal according to claim 1, wherein the frame (120) is provided with a sliding groove (121), the moving frame (340) is rotatably connected with a pulley (341), and the pulley (341) is slidably connected with the sliding groove (121).
8. A test device for testing influence of rainfall and snowfall on slope stability of a tunnel portal according to claim 1, wherein a protective frame (351) is fixedly connected to the fan (350), and the protective frame (351) is configured to protect the fan (350).
9. The device for testing influence of rainfall and snowfall on slope stability of a tunnel portal according to claim 1, wherein the motor (310) is a servo motor.
10. The device for testing the influence of rainfall and snowfall on the slope stability of the tunnel portal according to claim 8, wherein a tapered opening (3511) is fixedly connected to one end of the protection frame (351) far away from the movable frame (340).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022400416.6U CN212159806U (en) | 2020-10-26 | 2020-10-26 | Testing device for influence of rainfall and snowfall effects on stability of side slope of tunnel portal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022400416.6U CN212159806U (en) | 2020-10-26 | 2020-10-26 | Testing device for influence of rainfall and snowfall effects on stability of side slope of tunnel portal |
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| CN212159806U true CN212159806U (en) | 2020-12-15 |
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| CN202022400416.6U Expired - Fee Related CN212159806U (en) | 2020-10-26 | 2020-10-26 | Testing device for influence of rainfall and snowfall effects on stability of side slope of tunnel portal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607927A (en) * | 2021-10-08 | 2021-11-05 | 四川藏区高速公路有限责任公司 | Simulation test device for rockfall slope instability mechanism under rainfall condition |
| CN115932215A (en) * | 2022-12-23 | 2023-04-07 | 中钢集团马鞍山矿山研究总院股份有限公司 | Be applied to model experiment device of simulation of coast side slope landslide |
-
2020
- 2020-10-26 CN CN202022400416.6U patent/CN212159806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607927A (en) * | 2021-10-08 | 2021-11-05 | 四川藏区高速公路有限责任公司 | Simulation test device for rockfall slope instability mechanism under rainfall condition |
| CN115932215A (en) * | 2022-12-23 | 2023-04-07 | 中钢集团马鞍山矿山研究总院股份有限公司 | Be applied to model experiment device of simulation of coast side slope landslide |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 Termination date: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |