A rolling stone motion indoor test device and ramming earth structure

Abstract

The present application relates to the technical fields of rockfall motion test, in particular to a rockfall motion indoor test device and ramming earth structure, which rockfall motion indoor test device comprises a bearing component, a support, a mounting horizontal rod arranged on the support, and a release assembly arranged on the mounting horizontal rod; a falling component, which comprises a rockfall starting section arranged on the support, a rockfall falling section arranged on the support, an inclination adjusting piece arranged on the rockfall falling section, a rockfall accumulation section arranged on the support, and a rockfall intercepting plate arranged on the support; and high-speed cameras, two of which are provided, one of which is arranged on the mounting horizontal rod, and the other of which is arranged on one side of the falling component to shoot the falling component. The slope shape of the present application can be adjusted arbitrarily, and different board materials can be replaced for paving and filling materials can be replaced, different falling adjustments can be simulated, different strength soft and hard bedrocks can be simulated, and different collapse accumulation areas can be simulated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rockfall motion test, in particular to a rockfall motion indoor test device and ramming soil structure. BACKGROUND

[0002] The research means of rockfall motion characteristics and laws mainly includes field test, indoor test and numerical simulation. The field test is time-consuming and high-cost, and the test conditions are complex and various due to the influence of environment and terrain conditions, so the indoor physical simulation test is often used as the research means. However, the rockfall motion indoor test device currently built is expensive and has complicated process, some of which are relatively simple, and the slope surface paving materials are single, the test slope built by traditional support or jack has single slope shape and cannot reflect all motion modes of rockfall motion. Meanwhile, the soil for adjusting the deposit position of the test device needs to be continuously rolled and watered, and relies on manual operation. SUMMARY

[0003] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification of the present application to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the above problems of single slope shape and single paving material, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a rockfall motion indoor test device.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a rockfall motion indoor test device, comprising a bearing component, a support, a mounting cross bar arranged on the support, and a release assembly arranged on the mounting cross bar; a falling component, comprising a rockfall starting section arranged on the support, a belt wheel fence ladder arranged on one side of the rockfall starting section, a rockfall falling section arranged on the support, an inclination adjusting piece arranged on the rockfall falling section, a rockfall deposit section arranged on the support, and a rockfall intercepting plate arranged on the support; and a high-speed camera, two high-speed cameras are arranged, one high-speed camera is arranged on the mounting cross bar, and the other high-speed camera is arranged on one side of the falling component to shoot the falling component.

[0007] As a preferred scheme of the rockfall motion indoor test device, the rockfall starting section is installed below the release assembly, and the rockfall starting section comprises two slope surfaces, and the height and angle between the two slope surfaces are adjustable.

[0008] As a preferred scheme of the rockfall motion indoor test device, the rockfall falling section comprises a stainless steel plate arranged on a support, a concrete plate arranged on the stainless steel plate, the stainless steel plate is connected with an inclination adjusting piece, the inclination adjusting piece is movably connected with the support, the rockfall accumulation section comprises a stainless steel box and a filling material filled in the stainless steel box, and the filling material can be gravel, soil or the like.

[0009] The rockfall motion indoor test device has the following advantages: the rockfall starting section comprises a steel frame and a paving plate, the steel frame is fixed on the support, the lateral ends of the two slope surfaces are kept horizontal, the length and inclination of the rockfall starting section can be designed by adjusting the size and splicing position of the steel frame and the support, different power conditions are created for rockfall motion, and the rockfall motion indoor test device is more close to the field test environment; the rockfall falling section is combined by a stainless steel plate and a concrete plate, is arranged above the rockfall falling section inclination adjusting piece, the inclination of the rockfall falling section can be adjusted by the rockfall falling section inclination adjusting piece, the paving plate of different strength is arranged on the steel plate, different strength soft and hard bedrocks can be effectively simulated, the collision and rebound process of rockfall is analyzed by combining a monitoring device, and the collision restitution coefficient is obtained; the rockfall accumulation section is spliced by a stainless steel plate, an active valve is arranged at the side end, the filling material with different water content and particle size ratio is replaced, and different collapse accumulation areas are simulated.

[0010] In view of the problem that it is inconvenient to adjust the soil in the rockfall accumulation section in actual use.

[0011] To solve the above technical problems, the application further provides the following technical scheme: a rammed earth structure for the rockfall motion indoor test device, further comprising an accumulation component, a mounting frame arranged on the support, and a containing box arranged on the mounting frame; a mounting component, a lifting assembly arranged on the mounting frame, a locking assembly arranged on the lifting assembly, and a linkage assembly arranged on the locking assembly; a scattering component, a mounting assembly arranged on the lifting assembly, a scattering assembly arranged on the mounting assembly, and a driving assembly arranged on the mounting assembly; and a rammed earth component, a watering assembly arranged on the scattering assembly, and a sealing assembly arranged on the watering assembly.

[0012] As a preferred scheme of the rammed earth structure, the lifting assembly comprises a limiting tooth arranged on the mounting frame, and a sliding sleeve arranged on the mounting frame; the locking assembly comprises a limiting sleeve arranged on the sliding sleeve, a first elastic member arranged on the limiting sleeve, and a movable tooth arranged in the limiting sleeve; the linkage assembly comprises a containing groove arranged in the sliding sleeve, a first air cylinder arranged in the containing groove, a connecting plate arranged on an output shaft of the first air cylinder, and a connecting rod arranged on the movable tooth.

[0013] As a preferred scheme of the rammed earth structure, the sliding sleeve is slidably connected with the mounting frame, the sliding sleeve is matched with the limiting tooth, the limiting sleeve is matched with the movable tooth, the movable tooth is clamped with the limiting tooth, the first elastic member is fixedly connected with the limiting sleeve and the movable tooth at two ends respectively, one end of the connecting rod is fixedly connected with the movable tooth, the other end of the connecting rod is fixedly connected with the connecting plate and extends out of the limiting sleeve, and the connecting rod is slidably connected with the limiting sleeve.

[0014] As a preferred scheme of the rammed earth structure, the mounting assembly comprises an extension mounting plate arranged on the sliding sleeve, a rotating wheel arranged on the extension mounting plate, and a linkage tooth arranged on the rotating wheel; the rotating wheel is provided with two linkage teeth which are meshed with each other.

[0015] As a preferred scheme of the rammed earth structure, the spreading assembly comprises a clamping head arranged on the rotating wheel, an extension plate arranged on the rotating wheel, a clamping roller arranged on the extension plate, a limiting plate arranged on the clamping roller, and a second elastic member arranged on the extension plate.

[0016] As a preferred scheme of the rammed earth structure, the driving assembly comprises a second air cylinder arranged on the sliding sleeve, and a jacking rod arranged on an output shaft of the second air cylinder; the jacking rod is matched with the clamping head, and the second elastic member is fixedly connected with the two extension plates at two ends respectively.

[0017] As a preferred scheme of the rammed earth structure, the water spraying assembly comprises a main mounting plate arranged between the spreading assemblies, a through hole arranged on the main mounting plate, a water storage tank arranged on the main mounting plate, and a fixing column arranged on the main mounting plate; the closing assembly comprises a rammed earth plate arranged below the main mounting plate, a sealing protrusion arranged on the rammed earth plate, and a mounting bolt arranged on the rammed earth plate.

[0018] The rammed earth structure has the beneficial effects that: the rammed earth structure is provided with the scattering component and the ramming component, the watering assembly is installed above the containing box through the scattering component in use, the soil or the sandstone is arranged in the containing box, when it is needed to simulate the humid soil by watering the dry soil, the watering assembly is injected with water to simulate the rainfall, when it is needed to ram the soil, the closed assembly is inserted tightly on the watering assembly and is fixed through the mounting bolt, the watering port of the watering assembly is closed, at this time, the water injection can adjust the weight of the ramming component, the scattering component is opened to release the fixation of the ramming component, at this time, the ramming component falls under the action of the gravity and is rammed on the soil. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0020] Figure 1 It is a whole schematic diagram of the indoor test device for the rolling stone motion.

[0021] Figure 2 It is a whole schematic diagram of the indoor test device for the rolling stone motion from another perspective.

[0022] Figure 3 It is a schematic diagram of the releasing assembly of the indoor test device for the rolling stone motion.

[0023] Figure 4 It is a structural schematic diagram of the rolling stone starting section of the indoor test device for the rolling stone motion.

[0024] Figure 5 It is a structural schematic diagram of the rolling stone falling section of the indoor test device for the rolling stone motion.

[0025] Figure 6 It is a structural schematic diagram of the rolling stone accumulation section of the indoor test device for the rolling stone motion.

[0026] Figure 7 It is a whole schematic diagram of the rammed earth structure.

[0027] Figure 8 It is a whole schematic diagram of the rammed earth structure without the watering assembly.

[0028] Figure 9 It is Figure 8 the enlarged view of A.

[0029] Figure 10 It is a sectional schematic diagram of the locking assembly of the rammed earth structure.

[0030] Figure 11 is an enlarged view of B. Figure 8 is an enlarged view of B.

[0031] Figure 12 is a sectional view of a watering assembly of rammed earth structure. DETAILED DESCRIPTION

[0032] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other than the described embodiments, and that variations from the particular embodiments described herein can be made and still be within the scope of the present application.

[0034] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments.

[0035] Embodiment 1

[0036] With reference to Figure 1 - Figure 6 For the first embodiment of the present application, the embodiment provides a rockfall indoor test device, which comprises a bearing part 100, a support 101, a mounting crossbar 102 arranged on the support 101, a release assembly 103 arranged on the mounting crossbar 102; a falling part 200, which comprises a rockfall starting section 201 arranged on the support 101, a belt wheel fence ladder 202 arranged on one side of the rockfall starting section 201, a rockfall falling section 203 arranged on the support 101, an inclination adjusting piece 204 arranged on the rockfall falling section 203, a rockfall accumulation section 205 arranged on the support 101, and a rockfall intercepting plate 206 arranged on the support 101; a high-speed camera 300, two of which are provided, one of which is arranged on the mounting crossbar 102, and the other of which is arranged on one side of the falling part 200 to shoot the falling part 200.

[0037] Specifically, the release assembly 103 includes a lifting piece 103a arranged on the support 101, a bearing piece 103b arranged on the lifting piece 103a, and a release piece 103c arranged on the bearing piece 103b. The lifting piece 103a can be any piece that can function to lift and lock. The bearing piece 103b includes a crossbar movably connected to the lifting piece 103a and a U-shaped plate body structure rotatably connected to the crossbar. The bearing piece 103b can be adjusted in height and angle. The release piece 103c is used to block the rolling stones. Opening the release piece 103c can release the rolling stones. A rolling stone starting section 201 is installed below the release assembly 103. The slope surfaces at both ends of the rolling stone starting section 201 are used to provide initial dynamic conditions for the rolling stones to move to the air. A rolling stone falling section 203 is installed below the rolling stone starting section 201 and is used to simulate the rocks in the natural environment. A rolling stone accumulation section 205 is installed below the air surface and is filled with sand or sandy soil with a certain water content and particle size, which is used to simulate the environment of the collapsed rolling stone accumulation area under natural conditions. An inclined stainless steel plate 203a is installed at the end of the rolling stone accumulation section 205. The inclined direction is opposite to the direction of the rolling stone movement, which is used to intercept large energy rolling stones and protect the test equipment and passing personnel at the end of the test equipment.

[0038] Further, the rolling stone starting section 201 is installed below the release assembly 103. The rolling stone starting section 201 includes two slope surfaces, the height and angle of which can be adjusted. The rolling stone starting section 201 includes a steel frame 201a and a paving plate 201b. The U-shaped plate body structure in the release assembly 103 is fixed to the crossbar by bolts and nuts. Rotating the crossbar can adjust the release angle of the rolling stones. The initial height of the rolling stones can be controlled by adjusting the fastener in the lifting piece 103a. Before loading the rolling stones, the release piece 103c is arranged in the release assembly 103. When releasing the rolling stones, the release piece 103c is quickly removed. The rolling stones fall freely to the rolling stone starting section 201 by their own gravity. The movement of the rolling stones can be regarded as free fall.

[0039] Further, the rock-rolling throwing section 203 includes a stainless steel plate 203a arranged on the support 101, a concrete plate 203b arranged on the stainless steel plate 203a, the stainless steel plate 203a being connected with the inclination adjusting member 204, and the inclination adjusting member 204 being movably connected with the support 101. The rock-rolling starting section 201 is provided with a baffle on both sides to ensure the safety of surrounding tests and passing personnel. The rock-rolling throwing section 203 is assembled by the stainless steel plate 203a, the concrete plate 203b or natural stone plates. The inclination degree of the rock-rolling throwing section 203 is controlled by the inclination adjusting member 204. The surface panel of the device is fixed on the steel plate by dovetail nails. The rock-rolling throwing section 203 is collided by the rock-rolling starting section 201. The rock-rolling accumulation section 205 includes a stainless steel box 205a and filling material 205b. The stainless steel box 205a is assembled by the stainless steel plate 203a to form a box shape. The long end of the side of the device is provided with an opening. A baffle is arranged between the two sides of the opening. The baffle is convenient for replacing the filling material 205b in the device.

[0040] Operation process: The indoor test equipment of the rock-rolling movement mode is provided with a black and white grid curtain of a certain size arranged at the back of the device for analyzing the moving coordinates of the rock-rolling test piece in the shooting image. The height and inclination of the rock-rolling starting section 201 are controlled by adjusting the position and inclination of the steel frame 201a to create different power conditions for the rock-rolling movement. The sliding and rolling friction coefficients of the rock-rolling on different slope surfaces can be calculated by replacing the materials. In addition, in order to avoid the deviation of the movement direction of the rock-rolling after being contacted with the slope surface of the starting section, the half-tempered glass is arranged on both sides of the sliding plate 201c of the starting section to prevent the rock-rolling from threatening the passing personnel or surrounding facilities. The rock-rolling throwing section 203 is assembled by the stainless steel plate 203a and the plate. The concrete plate 203b or the natural stone plate is cut according to the actual needs. The plate is assembled and paved on the steel plate according to a certain size (the thickness is not less than 3 cm). Due to the large impact force caused by the rock-rolling falling in the air, the inclination of the device is relatively steep at 60-80°. The plate is fixed by using steel nails and stone glue to prevent the plate from falling after being subjected to strong impact and vibration. The inclination adjusting member 204 is installed below the rock-rolling throwing section 203. The device is connected with the two supports 101 by using the rotating fastener while ensuring the relative rotation of the two supports 101. The rock-rolling accumulation section 205 is horizontally arranged above the bottom support 101. The device is composed of a composite plate, sand and gravel and a movable valve. The composite plate is assembled to form a rectangular box. The depth of the box is not less than 5 cm. An opening is arranged at the end of the side. Aluminum U-shaped sliding grooves are arranged on both sides of the opening. The movable valve is prepared according to the size of the opening. The sand and gravel or sand soil is mixed according to a certain proportion and filled into the box. The test is carried out. The rock-rolling is contacted with the rock-rolling accumulation section 205 after impacting the air plate. The energy is rapidly dissipated. The rock-rolling test piece is gradually changed from the rolling state to the static state. The materials are replaced according to the contrast test. The movable valve can be opened to improve the test efficiency.

[0041] The test process is as follows: the indoor test equipment of the rock rolling movement mode is assembled, the prepared rock rolling sample is placed in the release assembly 103, the high-speed camera 300 is erected and adjusted, the camera is turned on and the image is collected, the release piece 103c is quickly pulled out, the rock rolling does free fall movement, rolls or slides after contacting the rock rolling starting section 201, falls downward after leaving the starting section, makes oblique throwing movement until colliding with the rock rolling throwing section 203, continues to move in the bouncing, rolling or sliding posture after the collision, stops moving after rolling a distance on the bottom slope panel, and the data collection equipment is turned off. The rock rolling movement process is analyzed by using commercial motion image analysis software, the distance between the key frames of the object movement is determined by taking a distance in the picture as a scale, and then the distance is divided by the time to obtain the movement speed of the rock rolling sample during this period. The movement parameters of the rock rolling sample in four movement postures are calculated, the movement speed of the rock rolling is calculated according to Newton's classical mechanics, the normal and tangential restitution coefficients of the rock rolling are obtained through the movement speed before and after the collision, and the sliding friction coefficient and the rolling friction coefficient of the rock rolling are calculated by using the movement parameters of the rock rolling on the rock rolling starting section 201 and the rock rolling accumulation section 205. The calculation formula of the movement characteristic parameters is as follows:

[0042]

[0043]

[0044]

[0045] In the formula, vi is the impact speed before the collision, vb is the rebound speed after the collision, a is the slope angle, vit is the tangential impact angle, vbt is the tangential rebound speed, vin is the normal impact angle, vbn is the normal rebound speed, t is the time, Rt is the tangential restitution coefficient, Rn is the normal restitution coefficient, and R is the collision restitution coefficient.

[0046]

[0047]

[0048]

[0049]

[0050] In the formula, v0 is the movement speed at this moment, v is the movement speed at the next moment, B is a constant related to the mass and shape of the rock rolling, R is the equivalent radius, μr is the rolling friction coefficient, βr is the rolling friction angle, s is the movement distance of the rock rolling section, f is the sliding friction coefficient, and H is the sliding height difference.

[0051] Example 2

[0052] Reference Figure 7- Figure 12 For the second embodiment of the present application, unlike the previous embodiment, a rammed earth structure is provided for the above-mentioned rockfall indoor test device, which comprises a stopping component 400, including a mounting frame 401 arranged on the support 101, and a containing box 402 arranged on the mounting frame 401; a mounting component 500, including a lifting assembly 501 arranged on the mounting frame 401, a locking assembly 502 arranged on the lifting assembly 501, and a linkage assembly 503 arranged on the locking assembly 502; a releasing component 600, including a mounting assembly 601 arranged on the lifting assembly 501, a releasing assembly 602 arranged on the mounting assembly 601, and a driving assembly 603 arranged on the mounting assembly 601; and a rammed earth component 700, including a watering assembly 701 arranged on the releasing assembly 602, and a closing assembly 702 arranged on the watering assembly 701.

[0053] Specifically, the stopping component 400 is used to carry the falling rock, the mounting frame 401 is used to mount and fix the containing box 402, the containing box 402 is filled with sand or soil, the lifting assembly 501 is used to control the installation height of the rammed earth component 700, the releasing component 600 can fix the rammed earth component 700 and release it when ramming is needed, and the rammed earth component 700 can be used to water at the same time, so as to change the water content of the sand or soil in the containing box 402.

[0054] Further, the lifting assembly 501 comprises limiting teeth 501a arranged on the mounting frame 401, and a sliding sleeve 501b arranged on the mounting frame 401; the locking assembly 502 comprises a limiting sleeve 502a arranged on the sliding sleeve 501b, a first elastic member 502b arranged on the limiting sleeve 502a, and a movable tooth 502c arranged in the limiting sleeve 502a; the linkage assembly 503 comprises a containing groove 503a arranged in the sliding sleeve 501b, a first air cylinder 503b arranged in the containing groove 503a, a connecting plate 503c arranged on an output shaft of the first air cylinder 503b, and a connecting rod 503d arranged on the movable tooth 502c; the limiting teeth 501a are fixedly arranged in plurality, the sliding sleeve 501b can slide up and down along the mounting frame 401, and the limiting teeth 501a do not affect the sliding of the sliding sleeve 501b when sliding; the first elastic member 502b can push out the movable tooth 502c arranged in the limiting sleeve 502a, and the movable tooth 502c can be clamped on the limiting tooth 501a after being pushed out by a part, so as to fix the sliding sleeve 501b; the limiting sleeve 502a is provided with a sliding hole on a side surface, the connecting rod 503d is in sliding fit with the sliding hole, the first air cylinder 503b can control the movement of the connecting rod 503d through the connecting rod 503d, and the connecting rod 503d is pulled back into the limiting sleeve 502a when being pushed out by the first air cylinder 503b, so that the sliding sleeve 501b is unlocked and can slide up and down to adjust the position.

[0055] Further, the sliding sleeve 501b is in sliding connection with the mounting frame 401, the sliding sleeve 501b is matched with the limiting teeth 501a, the limiting sleeve 502a is matched with the movable tooth 502c, the movable tooth 502c is clamped with the limiting tooth 501a, the first elastic member 502b is fixedly connected with the limiting sleeve 502a and the movable tooth 502c at two ends respectively, one end of the connecting rod 503d is fixedly connected with the movable tooth 502c, and the other end extends out of the limiting sleeve 502a and is fixedly connected with the connecting plate 503c, the connecting rod 503d is in sliding connection with the limiting sleeve 502a, and the limiting sleeve 502a is arranged outside the mounting frame 401.

[0056] The remaining structures are the same as those in Embodiment 1.

[0057] Operation process: when in use, the movable tooth 502c is moved into the limiting sleeve 502a by each first air cylinder 503b, then each sliding sleeve 501b is moved to a required position, each first air cylinder 503b is controlled to retract, each movable tooth 502c is extended, and a part of the movable tooth 502c is still located in the limiting sleeve 502a after being extended, so that the movable tooth 502c can be clamped with the limiting tooth 501a to prevent the movable sleeve from falling, and the ramming part 700 can be installed on the mounting frame 401 through the sliding sleeve 501b.

[0058] Embodiment 3

[0059] With reference to Figure 8 - Figure 12 For the third embodiment of the present application, different from the above embodiments, it further comprises a mounting assembly 601 including an extension mounting plate 601a arranged on the sliding sleeve 501b, a rotating wheel 601b arranged on the extension mounting plate 601a, and a linkage tooth 601c arranged on the rotating wheel 601b; the rotating wheel 601b is provided with two, both of which are provided with linkage teeth 601c and are meshed with each other.

[0060] Specifically, the extension mounting plate 601a is arranged on the inner side of the mounting frame 401, the rotating wheel 601b is rotationally connected with the extension mounting plate 601a, and both of the rotating wheels 601b are provided with linkage teeth 601c, so that the two rotating wheels 601b can move synchronously.

[0061] Further, the scattering assembly 602 includes a clamping head 602a arranged on the rotating wheel 601b, an extension plate 602b arranged on the rotating wheel 601b, a clamping roller 602c arranged on the extension plate 602b, a limiting plate 602d arranged on the clamping roller 602c, and a second elastic member 602e arranged on the extension plate 602b, the two ends of the second elastic member 602e push the extension plate 602b to the two sides at this time, the clamping rollers 602c are away from each other, the clamping heads 602a are close to each other, and the limiting plate 602d is used to limit the installation position of the ramming component 700, preventing the ramming component 700 from colliding with the scattering assembly 602 when falling.

[0062] Further, the driving assembly 603 includes a second air cylinder 603a arranged on the sliding sleeve 501b and a jack 603b arranged on the output shaft of the second air cylinder 603a; the jack 603b is matched with the clamping head 602a, the two ends of the second elastic member 602e are respectively fixedly connected on the two extension plates 602b, and the jack 603b can be inserted into the two clamping heads 602a, so that the two clamping heads 602a are away from each other at this time, the two clamping rollers 602c are close to each other, and the second elastic member 602e is compressed.

[0063] Further, the watering assembly 701 comprises a main mounting plate 701a arranged between the spraying assemblies 602, a through hole 701b formed in the main mounting plate 701a, a water storage tank 701c arranged on the main mounting plate 701a, and a fixing column 701d arranged on the main mounting plate 701a; the closing assembly 702 comprises a rammed earth plate 702a arranged below the main mounting plate 701a, a sealing protrusion 702b arranged on the rammed earth plate 702a, and a mounting bolt 702c arranged on the rammed earth plate 702a, the through hole 701b is arranged below the water storage tank 701c, and when there is water in the water storage tank 701c, the water can be sprayed downward to change the water content of the soil; when precipitation is not needed, the rammed earth plate 702a is inserted from the bottom to the top, each sealing protrusion 702b is inserted into each through hole 701b to close the through hole 701b, and the rammed earth plate 702a is fixed on the main mounting plate 701a through the mounting bolt 702c; the main mounting plate 701a is fixed on the spraying assembly 602 through each fixing column 701d, the top end of the fixing column 701d is trapezoidal, and the fixing column 701d is clamped on the clamping roller 602c.

[0064] The remaining structure is the same as that of Example 2.

[0065] Operation process: when the main mounting plate 701a is installed, each fixing column 701d is aligned with each clamping roller 602c, each fixing column 701d is inserted between the clamping rollers 602c from bottom to top, each second cylinder 603a is retracted when the fixing column 701d is inserted, so that the top rod 603b is separated from the clamping head 602a, so that the fixing column 701d can be inserted, and when the fixing column 701d passes through the clamping roller 602c, the second cylinder 603a ejects the top rod 603b, the top rod 603b is inserted between the clamping head 602a, the rotating wheel 601b is rotated, the clamping rollers 602c are close to each other, and the fixing column 701d below is clamped, so that the main mounting plate 701a is fixed; when watering is needed to simulate rainfall, water is injected into the water storage tank 701c, and then water can be poured into the containing box 402 below through the through hole 701b; when ramming is needed, it is confirmed that there is no water in the water storage tank 701c, and then the rammed earth plate 702a is inserted on the main mounting plate 701a from bottom to top, each mounting bolt 702c penetrates the main mounting plate 701a and is screwed with a nut to be fixed, each sealing protrusion 702b is inserted into each through hole 701b to be closed, each sealing protrusion 702b is made of rubber or other deformable material, the sealing protrusion 702b is in interference fit with the through hole 701b, after installation is completed, each second cylinder 603a controls the top rod 603b to be retracted, at this time each clamping roller 602c is away from each other, so that each fixing column 701d is loosened, and the main mounting plate 701a can freely fall down to ram the earth, and if the ramming force needs to be adjusted, water is injected into the water storage tank 701c to increase the weight of the main mounting plate 701a.

[0066] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the spirit and scope of the application, as described in the claims (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc. and the like). For example, the position of elements can be reversed or otherwise varied and the nature or number of elements can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the spirit of the application. Any "apparatus" or "device" described herein can be embodied in many different forms and a "means" for performing any function described herein can include any of the apparatus or structures described herein. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described in the specification.

[0067] In addition, for purposes of brevity of description, it is not the intention of the

[0068] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0069] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. An indoor testing device for rolling stone motion, characterized in that: include, The supporting component (100) includes a bracket (101), a mounting crossbar (102) disposed on the bracket (101), and a release assembly (103) disposed on the mounting crossbar (102). The throwing component (200) includes a rolling stone initiation section (201) disposed on the support (101), a wheeled fence ladder (202) disposed on one side of the rolling stone initiation section (201), a rolling stone throwing section (203) disposed on the support (101), an angle adjustment component (204) disposed on the rolling stone throwing section (203), a rolling stone stopping section (205) disposed on the support (101), and a rolling stone interception plate (206) disposed on the support (101). Two high-speed cameras (300) are provided, one of which is mounted on the mounting crossbar (102) and the other is mounted on one side of the throwing component (200) to capture images of the throwing component (200). The storage component (400) includes a mounting bracket (401) disposed on the support (101) and a receiving box (402) disposed on the mounting bracket (401). The mounting component (500) includes a lifting assembly (501) disposed on the mounting bracket (401), a locking assembly (502) disposed on the lifting assembly (501), and a linkage assembly (503) disposed on the locking assembly (502). The dispensing component (600) includes a mounting component (601) disposed on the lifting component (501), a dispensing component (602) disposed on the mounting component (601), and a driving component (603) disposed on the mounting component (601). The rammed earth component (700) includes a water spraying component (701) disposed on the spreading component (602) and a sealing component (702) disposed on the water spraying component (701). The container (402) is filled with sand or soil. The lifting component (501) is used to control the installation height of the rammed soil component (700). The spreading component (600) can fix the rammed soil component (700) and release the rammed soil component (700) when ramming is required. The rammed soil component (700) can also be used to sprinkle water, thereby changing the moisture content of the sand or soil in the container (402).

2. The indoor testing apparatus for rolling stone motion as described in claim 1, characterized in that: The rolling stone initiation section (201) is installed below the release assembly (103). The rolling stone initiation section (201) includes two slopes, the height and angle of which are adjustable between the two slopes.

3. The indoor testing device for rolling stone motion as described in claim 2, characterized in that: The rolling stone dropping section (203) includes a stainless steel plate (203a) set on a support (101) and a concrete slab (203b) set on the stainless steel plate (203a). The stainless steel plate (203a) is connected to the tilt adjustment component (204), and the tilt adjustment component (204) is movably connected to the support (101).

4. The indoor testing apparatus for rolling stone motion as described in claim 3, characterized in that: The lifting assembly (501) includes a limiting tooth (501a) disposed on the mounting frame (401) and a sliding sleeve (501b) disposed on the mounting frame (401). The locking assembly (502) includes a limiting sleeve (502a) disposed on the sliding sleeve (501b), a first elastic member (502b) disposed on the limiting sleeve (502a), and a movable tooth (502c) disposed inside the limiting sleeve (502a). The linkage assembly (503) includes a receiving groove (503a) opened in the sliding sleeve (501b), a first cylinder (503b) disposed in the receiving groove (503a), a connecting plate (503c) disposed on the output shaft of the first cylinder (503b), and a connecting rod (503d) disposed on the movable gear (502c).

5. The indoor testing apparatus for rolling stone motion as described in claim 4, characterized in that: The sliding sleeve (501b) is slidably connected to the mounting bracket (401). The sliding sleeve (501b) is adapted to the limiting tooth (501a). The limiting sleeve (502a) is adapted to the movable tooth (502c). The movable tooth (502c) and the limiting tooth (501a) are engaged with each other. The two ends of the first elastic element (502b) are fixedly connected to the limiting sleeve (502a) and the movable tooth (502c) respectively. One end of the connecting rod (503d) is fixedly connected to the movable tooth (502c), and the other end extends out of the limiting sleeve (502a) and is fixedly connected to the connecting plate (503c). The connecting rod (503d) is slidably connected to the limiting sleeve (502a).

6. The indoor testing apparatus for rolling stone motion as described in claim 5, characterized in that: The mounting assembly (601) includes an extended mounting plate (601a) disposed on a sliding sleeve (501b), a rotating wheel (601b) disposed on the extended mounting plate (601a), and a linkage tooth (601c) disposed on the rotating wheel (601b). There are two rotating wheels (601b), and both rotating wheels (601b) are provided with linkage teeth (601c) and the two mesh with each other.

7. The indoor testing apparatus for rolling stone motion as described in claim 6, characterized in that: The dispensing assembly (602) includes a clamping head (602a) disposed on a rotating wheel (601b), an extension plate (602b) disposed on the rotating wheel (601b), a clamping roller (602c) disposed on the extension plate (602b), a limiting plate (602d) disposed on the clamping roller (602c), and a second elastic member (602e) disposed on the extension plate (602b).

8. The indoor testing apparatus for rolling stone motion as described in claim 7, characterized in that: The drive assembly (603) includes a second cylinder (603a) disposed on a sliding sleeve (501b) and a push rod (603b) disposed on the output shaft of the second cylinder (603a); the push rod (603b) is adapted to the clamping head (602a), and the two ends of the second elastic member (602e) are respectively fixedly connected to two extension plates (602b).

9. The indoor testing apparatus for rolling stone motion as described in claim 8, characterized in that: The water spraying assembly (701) includes a main mounting plate (701a) disposed between the spraying assemblies (602), a through hole (701b) opened on the main mounting plate (701a), a water storage tank (701c) disposed on the main mounting plate (701a), and a fixing post (701d) disposed on the main mounting plate (701a). The enclosure assembly (702) includes a rammed earth plate (702a) disposed under the main mounting plate (701a), a sealing protrusion (702b) disposed on the rammed earth plate (702a), and mounting bolts (702c) disposed on the rammed earth plate (702a).

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