CN113777277B - Strong rainfall induced rock landslide simulation test device - Google Patents
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- CN113777277B CN113777277B CN202111120806.0A CN202111120806A CN113777277B CN 113777277 B CN113777277 B CN 113777277B CN 202111120806 A CN202111120806 A CN 202111120806A CN 113777277 B CN113777277 B CN 113777277B
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Abstract
The invention discloses a heavy rainfall induced rock landslide simulation test device, which comprises an experimental device body and a fixing mechanism, wherein the experimental device body is provided with a fixed mechanism; the fixed mechanism comprises a base, a driving piece, a movable plate, a first conical rod, a transmission piece and a second conical rod; the movable plate is arranged in the base and is in sliding connection with the inner side of the base, the driving piece is arranged on the base, and the driving piece is used for driving the movable plate to slide along the length direction of the base; the movable plate is connected with one end of a first cone rod, the other end of the first cone rod penetrates through the side wall of the base, and the first cone rod is arranged along the length direction of the base; the side surface of the first cone rod is connected with one end of a second cone rod through a transmission piece, the other end of the second cone rod penetrates through the bottom of the base, the height direction of the base of the second cone rod is set, and the first cone rod drives the second cone rod to move towards the bottom of the base through the transmission piece; a plurality of transmission parts are sequentially arranged along the length direction of the second conical rod, and each transmission part is connected with the second conical rod; by adopting the scheme, the firmness of connection of the simulation test device and the sliding body can be improved.
Description
Technical Field
The invention relates to the technical field of simulation experiment devices, in particular to a heavy rainfall induced rock landslide simulation experiment device.
Background
Landslide refers to the natural phenomenon that soil or rock mass on a slope is influenced by river scouring, groundwater movement, rainwater soaking, earthquakes, manual slope cutting and other factors, and slides downwards along a certain weak surface or a weak belt integrally or dispersedly under the action of gravity.
The strong rainfall induced rock landslide simulation test device can be used for detecting the emergency of landslide under the condition of strong rainfall, the existing strong rainfall induced rock landslide simulation test device is often required to be placed on a landslide section, the existing simulation test device is usually inserted into the ground of a landslide body by adopting a cone rod so as to finish the fixing process of the device, but the mode has a certain limitation, and the landslide is in a one-way fixing mode by adopting the cone rod due to the tendency of inclined downward sliding, so that the connection firmness between the simulation test device and the landslide is not better improved.
Therefore, there is a need for a device that improves the robustness of the connection between the simulation test device and the slider.
Disclosure of Invention
The invention aims to provide a strong rainfall induced rock landslide simulation test device, which adopts a conical rod unidirectional fixing mode and cannot better improve the connection firmness between the simulation test device and a sliding body.
The invention is realized by the following technical scheme:
the heavy rainfall induced rock landslide simulation test device comprises an experimental device body and a fixing mechanism for fixing the experimental device body;
the fixing mechanism comprises a base, a driving piece, a movable plate, a first conical rod, a transmission piece and a second conical rod;
the movable plate is arranged in the base and is in sliding connection with the inner side of the base, the driving piece is arranged on the base, and the driving piece is used for driving the movable plate to slide along the length direction of the base; the movable plate is connected with one end of a first cone rod, the other end of the first cone rod penetrates through the side wall of the base, and the first cone rod is arranged along the length direction of the base;
the side face of the first cone rod is connected with one end of a second cone rod through a transmission piece, the other end of the second cone rod penetrates through the bottom of the base, the base of the second cone rod is arranged in the height direction, and the first cone rod drives the second cone rod to move towards the bottom of the base through the transmission piece; along the length direction of the second conical rod, a plurality of transmission parts are sequentially arranged, and each transmission part is connected with the second conical rod.
Compared with the prior art, the mode of adopting the one-way fixed of awl pole to fail better improvement analogue test device and the problem of the firm degree of connection between the sliding body, this scheme provides a heavy rainfall induced rock landslide analogue test device, adopts this scheme, can peg graft the awl pole on the inclined plane of sliding body lateral part and the bottom of sliding body, through the mode of multidirectional fixed, improved the firm degree of connection between analogue test device and the sliding body. Specifically, the experimental device comprises a fixing mechanism arranged at the bottom of the experimental device body, the experimental device body is fixed on the sliding body through the fixing mechanism, wherein the fixing mechanism comprises a base, a driving piece, a movable plate, a first conical rod, a transmission piece and a second conical rod, the movable plate is arranged in the base and is in sliding connection with the inner side of the base, the movable plate can slide along the length direction of the base, the driving piece is further arranged on the base, at the moment, the driving piece can drive the movable plate to slide along the length direction of the base, the driving piece drives the movable plate in various modes, and the mode is not repeated one by one; the movable plate is connected with one end of the first cone rod, when the movable plate slides towards the length direction of the base, the first cone rod can be driven to move, and at the moment, the other end of the first cone rod moves towards the inclined surface of the side part of the sliding body and is inserted into the sliding body; the transmission part is arranged between the first cone rod and the second cone rod and is in transmission connection with the first cone rod, when the first cone rod transversely moves, the transmission part is transmitted to the transmission part, the transmission part can drive the second cone rod to vertically move and move towards the bottom of the shell, at the moment, the other end of the second cone rod can be inserted into the horizontal position of the sliding body, and the transmission part for realizing the transmission mode has various realization modes in the prior art and is not repeated one by one; a plurality of transmission parts and second conical rods are further arranged along the length direction of the first conical rod, and the second conical rods can penetrate out of the bottom of the base and are used for being inserted into the sliding body; through the mode of the horizontal grafting of above first awl pole and the vertical grafting of second awl pole, compare in the unidirectional fixed mode of former device, improved the firm degree of being connected between analogue test device and the sliding body.
Further preferably, the driving piece comprises a motor and a screw rod, the motor is arranged on the outer side of the base, an output shaft of the motor penetrates through the side wall of the base and is connected with the screw rod arranged inside the base to drive the screw rod to rotate: the screw rod can rotate around the axis of the screw rod; the screw penetrates through the movable plate and is in threaded connection with the movable plate; the driving piece is used for optimizing the driving piece, so that the movable plate can stably move along the length direction of the base.
Further optimized, the device also comprises a slide bar, wherein the slide bar is fixedly arranged on the inner side of the base and is arranged along the length direction of the base, and the movable plate is in sliding connection with the base; for making the movable plate move smoothly.
Further preferably, the transmission piece comprises a first sliding block and a second sliding block, the first sliding block is arranged on the side surface of the bottom of the first conical rod, the second sliding block is arranged on the top of the second conical rod, an inclined surface capable of sliding relatively is arranged between the first sliding block and the second sliding block, and the inclined surface is inclined upwards towards the moving direction of the first conical rod; for optimizing the transmission.
Further preferably, the first sliding block is provided with a first inclined surface, the second sliding block is provided with a second inclined surface, a limiting block is arranged on the first inclined surface, a limiting groove is formed along the length direction of the second inclined surface, and the limiting block can slide in the limiting groove; for limiting the sliding distance between the first slider and the second slider.
The device is further optimized and further comprises a limiting plate and an elastic piece, wherein the limiting plate is sleeved on the second conical rod, the limiting plate is connected with the bottom of the base through the elastic piece, the elastic pieces are arranged on two sides of the bottom of the limiting plate, and the elastic pieces are arranged along the length direction of the second conical rod; for limiting the direction of movement of the second taper.
Further preferably, the elastic piece comprises a sleeve and an inner rod, the sleeve is sleeved on the inner rod in a sliding manner, the upper end of the inner rod is connected with a limiting plate, and the lower part of the inner rod extending into the sleeve is connected with the bottom of the sleeve through a spring; the elastic piece is used for optimizing the elastic piece, and stability of the elastic piece in the stretching process is improved.
Further optimizing, the front end of the base is hinged with an access door; the device is used for conveniently maintaining and replacing the internal parts of the base.
Further optimized, the other end of the second conical rod is provided with a foundation conical rod, and the foundation conical rod is sleeved with a damping spring; for increasing the shock resistance of the second cone rod.
Further preferably, lantern rings are arranged at the connection positions of the first cone rod and the second cone rod and the base, and the first cone rod and the second cone rod are in sliding connection with the lantern rings; for reducing the degree of wear between the first and second tapered rods and the base.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention provides a strong rainfall induced rock landslide simulation test device, which adopts the scheme, and compared with the unidirectional fixing mode of the traditional device, the mode of horizontally inserting the first cone rod and vertically inserting the second cone rod improves the connection firmness between the simulation test device and a sliding body.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a cross-sectional view provided by the present invention;
FIG. 2 is a schematic view of a structure of a fixing mechanism according to the present invention;
FIG. 3 is a schematic view of a transmission member according to the present invention;
FIG. 4 is a schematic view of the structure of an elastic member according to the present invention;
fig. 5 is a schematic structural diagram provided by the present invention.
In the drawings, the reference numerals and corresponding part names:
the experimental device comprises a 1-experimental device body, a 2-base, a 3-movable plate, a 4-first conical rod, a 5-transmission part, a 51-first sliding block, a 511-first inclined surface, a 5111-limiting block, a 52-second sliding block, a 521-second inclined surface, a 5211-limiting groove, a 6-second conical rod, a 7-motor, an 8-screw rod, a 9-sliding rod, a 10-limiting plate, a 11-elastic part, a 111-sleeve, a 112-inner rod, a 12-access door, a 13-foundation conical rod, a 14-damping spring and a 15-sleeve ring.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Examples
The embodiment provides a heavy rainfall induced rock landslide simulation test device, which is shown in fig. 1 to 5, and comprises an experimental device body 1 and a fixing mechanism for fixing the experimental device body 1;
the fixing mechanism comprises a base 2, a driving piece, a movable plate 3, a first conical rod 4, a transmission piece 5 and a second conical rod 6;
the movable plate 3 is arranged in the base 2 and is in sliding connection with the inner side of the base 2, the driving piece is arranged on the base 2, and the driving piece is used for driving the movable plate 3 to slide along the length direction of the base 2; the movable plate 3 is connected with one end of a first conical rod 4, the other end of the first conical rod 4 penetrates through the side wall of the base 2, and the first conical rod 4 is arranged along the length direction of the base 2;
the side surface of the first conical rod 4 is connected with one end of a second conical rod 6 through a transmission piece 5, the other end of the second conical rod 6 penetrates through the bottom of the base 2, the height direction of the base 2 of the second conical rod 6 is set, and the first conical rod 4 drives the second conical rod 6 to move towards the bottom of the base 2 through the transmission piece 5; along the length direction of the second taper rod 6, a plurality of transmission pieces 5 are sequentially arranged, and each transmission piece 5 is connected with the second taper rod 6.
Compared with the prior art, the mode of adopting the one-way fixed of awl pole to fail better improvement analogue test device and the problem of the firm degree of connection between the sliding body, this scheme provides a heavy rainfall induced rock landslide analogue test device, adopts this scheme, can peg graft the awl pole on the inclined plane of sliding body lateral part and the bottom of sliding body, through the mode of multidirectional fixed, improved the firm degree of connection between analogue test device and the sliding body. Specifically, the experimental device comprises a fixing mechanism arranged at the bottom of the experimental device body 1, the experimental device body 1 is fixed on a sliding body through the fixing mechanism, wherein the fixing mechanism comprises a base 2, a driving piece, a movable plate 3, a first taper rod 4, a transmission piece 5 and a second taper rod 6, the movable plate 3 is arranged in the base 2 and is in sliding connection with the inner side of the base 2, the movable plate 3 can slide along the length direction of the base 2, the base 2 is also provided with the driving piece, the driving piece can drive the movable plate 3 to slide along the length direction of the base 2 at the moment, the driving piece drives the movable plate 3 to realize various modes, and the mode is not repeated; the movable plate 3 is connected with one end of the first cone rod 4, when the movable plate 3 slides towards the length direction of the base 2, the first cone rod 4 can be driven to move, and at the moment, the other end of the first cone rod 4 moves towards the inclined surface of the side part of the sliding body and is inserted into the sliding body; the transmission member 5 is arranged between the first cone rod 4 and the second cone rod 6, the transmission member 5 is in transmission connection with the first cone rod 4, when the first cone rod 4 transversely moves, the transmission member 5 can drive the second cone rod 6 to vertically move and move towards the bottom of the shell, at the moment, the other end of the second cone rod 6 can be inserted in the horizontal position of the sliding body, and the transmission member 5 for realizing the transmission mode has various realization modes in the prior art and is not repeated one by one; a plurality of transmission pieces 5 and second conical rods 6 are further arranged along the length direction of the first conical rods 4, and the second conical rods 6 can penetrate out of the bottom of the base 2 and are used for being inserted into sliding bodies; through the mode that the first taper rod 4 is horizontally inserted and the second taper rod 6 is vertically inserted, compared with the unidirectional fixing mode of the traditional device, the firmness of connection between the simulation test device and the sliding body is improved.
In this embodiment, the driving piece includes motor 7 and screw rod 8, the base 2 outside is located to motor 7, motor 7 output shaft runs through the base 2 lateral wall to with locate the inside screw rod 8 of base 2 and be connected, be used for driving screw rod 8 rotation: the screw 8 is rotatable about its own axis; the screw rod 8 penetrates through the movable plate 3 and is in threaded connection with the movable plate 3; in order to optimize a driving piece, the movable plate 3 can stably move along the length direction of the base 2, in the scheme, the driving piece comprises a motor 7 and a screw rod 8, wherein the motor 7 is arranged on the outer side of the base 2, an output shaft of the motor 7 stretches into the base 2 and is connected with the screw rod 8, the movable plate 3 is in threaded sleeve connection with the screw rod 8, at the moment, under the driving of the motor 7, the output shaft rotates to drive the screw rod 8 to rotate, and according to the threaded transmission principle, when the screw rod 8 rotates, the movable plate 3 is in sliding connection with the side wall of the base 2, at the moment, the movable plate 3 can be driven to transversely move, and the first taper rod 4 is driven to be inserted on a sliding body; the specific model specification of the motor 7 needs to be determined by selecting the model according to the actual specification and the like of the device, and the specific model selection calculation method adopts the prior art in the field, so the detailed description is omitted; the power supply of the motor 7 and its principle will be clear to a person skilled in the art and will not be described in detail here.
In this embodiment, the sliding rod 9 is further included, the sliding rod 9 is fixedly disposed inside the base 2 and is disposed along the length direction of the base 2, and the movable plate 3 is slidably connected with the base 2; in order to enable the movable plate 3 to stably move, in the scheme, a sliding rod 9 is further arranged in the base 2, two ends of the sliding rod 9 are fixedly connected with the inner side of the base 2, the movable plate 3 is in sliding sleeve connection with the sliding rod 9, at the moment, under the rotation driving of the screw rod 8, the movable plate 3 can slide along the length direction of the sliding rod 9, and the sliding rod 9 can further prevent the movable plate 3 from synchronously rotating along with the screw rod 8 and enable the movable plate 3 to stably move.
In this embodiment, the transmission member 5 includes a first slider 51 and a second slider 52, where the first slider 51 is disposed on a bottom side of the first taper rod 4, the second slider 52 is disposed on a top of the second taper rod 6, and an inclined surface capable of sliding relatively is disposed between the first slider 51 and the second slider 52, and the inclined surface is inclined upward toward a moving direction of the first taper rod 4; in order to optimize the transmission member 5, in this scheme, the transmission member 5 includes a first slider 51 and a second slider 52, the contact surface of the first slider 51 and the second slider 52 is an inclined surface, and the inclined surface is inclined upwards towards the moving direction of the first taper rod 4, at this time, the first slider 51 is driven by the first taper rod 4 to move transversely, and due to the arrangement of the inclined surface, at this time, the first slider 51 can press the second slider 52, so that the second slider 52 drives the second taper rod 6 to be inserted on the slider.
In this embodiment, the first slider 51 has a first inclined surface 511, the second slider 52 has a second inclined surface 521, a stopper 5111 is disposed on the first inclined surface 511, a limiting groove 5211 is disposed along the length direction of the second inclined surface 521, and the stopper 5111 can slide in the limiting groove 5211; in order to limit the sliding distance between the first slider 51 and the second slider 52, in this embodiment, the first inclined surface 511 is provided with a limiting block 5111, and the second inclined surface 521 is provided with a limiting groove 5211, where the limiting groove 5211 is disposed along the length direction of the second inclined surface 521, at this time, the limiting block 5111 can slide in the limiting groove 5211, and due to the arrangement of the inner wall of the limiting groove 5211, the sliding distance of the limiting block 5111 can be limited, so that the limiting block 5111 is prevented from separating from the limiting groove 5211, and therefore, after the first slider 51 is prevented from completely separating from the second slider 52, the second taper rod 6 is subjected to the reset action of the elastic element 11, so that the first inclined surface 511 and the second inclined surface 521 cannot be mutually matched.
In this embodiment, the device further comprises a limiting plate 10 and an elastic piece 11, the limiting plate 10 is sleeved on the second taper rod 6, the limiting plate 10 is connected with the bottom of the base 2 through the elastic piece 11, the elastic pieces 11 are arranged on two sides of the bottom of the limiting plate 10, and the elastic pieces 11 are arranged along the length direction of the second taper rod 6; for limiting the moving direction of the second conical rod 6, in this scheme, a limiting plate 10 and elastic members 11 are further provided, wherein the limiting plate 10 is fixedly sleeved at the middle part of the second conical rod 6, elastic members 11 are arranged at two ends of the limiting plate 10, the two elastic members 11 are preferably symmetrically arranged along the central axis direction of the second conical rod 6, and at this moment, under the limitation of the elastic members 11, the second conical rod 6 can always vertically move.
In this embodiment, the elastic member 11 includes a sleeve 111 and an inner rod 112, the sleeve 111 is slidably sleeved on the inner rod 112, the upper end of the inner rod 112 is connected with the limiting plate 10, and the lower portion of the inner rod 112 extending into the sleeve 111 is connected with the bottom of the sleeve 111 through a spring; in order to optimize the elastic element 11 and improve stability of the elastic element 11 in the expansion process, in the scheme, the elastic element 11 comprises a sleeve 111 and an inner rod 112, wherein the upper end of the inner rod 112 is connected with a limiting plate 10, the lower end of the inner rod 112 is slidably inserted into the sleeve 111, the bottom of the sleeve 111 is fixedly arranged at the bottom of the base 2, and the lower end of the inner rod 112 is connected with the bottom of the inner side of the sleeve 111 through a spring, so that the expansion of the elastic element 11 is realized.
In this embodiment, the front end of the base 2 is hinged with an access door 12; for facilitating maintenance and replacement of the internal parts of the base 2.
In this embodiment, a foundation taper rod 13 is disposed at the other end of the second taper rod 6, and a damping spring 14 is sleeved on the foundation taper rod 13; in order to increase the shock resistance of the second conical rod 6, in the scheme, the end part of the second conical rod 6 extending out of the base 2 is provided with the foundation conical rod 13, when the second conical rod 6 moves downwards, the foundation conical rod 13 will firstly contact with the horizontal position of the landslide, when the foundation conical rod 13 is inserted into the deep part of the sliding body, the damping spring 14 enters along with the foundation conical rod, and the amplitude of the shock suffered by the foundation conical rod 13 is reduced through the damping effect of the damping spring 14 when the sliding body slides inside.
In this embodiment, the connection positions of the first taper rod 4 and the second taper rod 6 and the base 2 are respectively provided with a collar 15, and the first taper rod 4 and the second taper rod 6 are respectively slidably connected with the collars 15; for reducing the degree of wear between the first and second conical rods 4, 6 and the base 2.
The working principle of the scheme is as follows: the motor 7 is started, the output shaft of the motor 7 rotates to drive the screw rod 8 to rotate, the movable plate 3 is in sliding fit inside the base 2, the movable plate 3 is in threaded sleeve joint with the screw rod 8, the screw rod 8 rotates to drive the movable plate 3 to move transversely, the first conical rod 4 moves towards the inclined plane of the side part of the sliding body, the first conical rod 4 is inserted inside the sliding body, the transmission piece 5 is in transmission connection with the first conical rod 4, the second conical rod 6 at the bottom of the transmission piece 5 is in vertical sliding arrangement, and the first conical rod 4 moves transversely and drives the second conical rod 6 to move vertically, so that the second conical rod 6 is inserted in the horizontal position of the sliding body vertically.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The heavy rainfall induced rock landslide simulation test device comprises an experimental device body (1) and is characterized by further comprising a fixing mechanism for fixing the experimental device body (1);
the fixing mechanism comprises a base (2), a driving piece, a movable plate (3), a first conical rod (4), a transmission piece (5) and a second conical rod (6);
the movable plate (3) is arranged in the base (2) and is in sliding connection with the inner side of the base (2), the driving piece is arranged on the base (2), and the driving piece is used for driving the movable plate (3) to slide along the length direction of the base (2); the movable plate (3) is connected with one end of a first conical rod (4), the other end of the first conical rod (4) penetrates through the side wall of the base (2), and the first conical rod (4) is arranged along the length direction of the base (2);
the side face of the first conical rod (4) is connected with one end of a second conical rod (6) through a transmission piece (5), the other end of the second conical rod (6) penetrates through the bottom of the base (2), the second conical rod (6) is arranged in the height direction of the base (2), and the first conical rod (4) drives the second conical rod (6) to move towards the bottom of the base (2) through the transmission piece (5); a plurality of transmission parts (5) are sequentially arranged along the length direction of the second conical rod (6), and each transmission part (5) is connected with the second conical rod (6);
the transmission piece (5) comprises a first sliding block (51) and a second sliding block (52), the first sliding block (51) is arranged on the side surface of the bottom of the first conical rod (4), the second sliding block (52) is arranged at the top of the second conical rod (6), an inclined surface capable of sliding relatively is arranged between the first sliding block (51) and the second sliding block (52), and the inclined surface is inclined upwards towards the moving direction of the first conical rod (4);
the first sliding block (51) is provided with a first inclined surface (511), the second sliding block (52) is provided with a second inclined surface (521), a limiting block (5111) is arranged on the first inclined surface (511), a limiting groove (5211) is formed in the length direction of the second inclined surface (521), and the limiting block (5111) can slide in the limiting groove (5211).
2. The heavy rainfall induced rock landslide simulation test device according to claim 1, wherein the driving member comprises a motor (7) and a screw (8), the motor (7) is arranged on the outer side of the base (2), an output shaft of the motor (7) penetrates through the side wall of the base (2) and is connected with the screw (8) arranged in the base (2) for driving the screw (8) to rotate: the screw (8) can rotate around the axis of the screw; the screw rod (8) penetrates through the movable plate (3) and is in threaded connection with the movable plate.
3. The heavy rainfall induced rock landslide simulation test device according to claim 1, further comprising a sliding rod (9), wherein the sliding rod (9) is fixedly arranged on the inner side of the base (2) and is arranged along the length direction of the base (2), and the movable plate (3) is in sliding connection with the base (2).
4. The heavy rainfall induced rock landslide simulation test device according to claim 1, further comprising a limiting plate (10) and an elastic piece (11), wherein the limiting plate (10) is sleeved on the second conical rod (6), the limiting plate (10) is connected with the bottom of the base (2) through the elastic piece (11), the elastic pieces (11) are arranged on two sides of the bottom of the limiting plate (10), and the elastic pieces (11) are arranged along the length direction of the second conical rod (6).
5. The heavy rainfall induced rock landslide simulation test device according to claim 4, wherein the elastic piece (11) comprises a sleeve (111) and an inner rod (112), the sleeve (111) is in sliding sleeve connection with the inner rod (112), the upper end of the inner rod (112) is connected with the limiting plate (10), and the lower part of the inner rod (112) extending into the sleeve (111) is connected with the bottom of the sleeve (111) through a spring.
6. The heavy rainfall induced rock landslide simulation test device according to claim 1, wherein the front end of the base (2) is hinged with an access door (12).
7. The heavy rainfall induced rock landslide simulation test device according to claim 1, wherein a foundation cone rod (13) is arranged at the other end of the second cone rod (6), and a damping spring (14) is sleeved on the foundation cone rod (13).
8. The heavy rainfall induced rock landslide simulation test device according to claim 1, wherein the connection positions of the first cone rod (4) and the second cone rod (6) and the base (2) are respectively provided with a sleeve ring (15), and the first cone rod (4) and the second cone rod (6) are respectively connected with the sleeve rings (15) in a sliding manner.
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| CN114371273B (en) * | 2022-01-14 | 2023-11-14 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting dangerous rock body caving influence range |
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| US11567057B2 (en) * | 2018-11-26 | 2023-01-31 | Kun Fang | Landslide experimental device for simulating constant seepage flow |
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