Power anchor penetration anchoring model test device and test method based on transparent soil technology

Abstract

The invention discloses a transparent soil technology-based power anchor penetration anchoring model test device and a test method, the transparent soil technology-based power anchor penetration anchoring model test device comprises a power anchor body, the power anchor body is mounted on a power anchor launching device, a penetration anchoring test sand box is arranged at the lower part of a power anchor, the transparent soil technology-based power anchor penetration anchoring model test device further comprises an anchoring force measuring structure, and the power anchor launching device is mounted on an adjusting structure; a power anchor cable is arranged on the power anchor launching device, the end of the power anchor cable is connected with a power anchor body, an anchoring force measuring rope connected with the power anchor cable is arranged on the anchoring force measuring structure, and a camera is arranged right in front of the penetration anchoring test sand box. Based on the device, a visual test of the penetration rule of the power anchor is directly carried out, the maximum anchoring force of the power anchor is measured, adjustability of the launching angle, height and kinetic energy of the power anchor is achieved, real-time observation of the penetration movement track of an anchor body and measurement of the maximum anchoring force are achieved, modularization is achieved structurally, and assembling and disassembling are convenient. The device is easy to operate, low in cost and high in expansibility.

Description

Technical Field

[0001] The invention relates to a test device and a test method for a power anchor penetrating an anchoring model, and in particular to a test device and a test method for a power anchor penetrating an anchoring model based on a transparent soil technology. Background Art

[0002] In recent years, extreme rainstorms and floods have occurred frequently, and dike breaches have seriously threatened flood control safety. Due to the deep water and rapid flow in the breach area and the poor emergency construction environment, the rapid sealing of large breaches in river dikes has always been a problem that needs to be solved urgently. The stability of the projectile falling to the bottom is particularly important for the rapid sealing of the breach. With the help of dynamic anchor technology, the projectile can be locked and provide sufficient impact resistance. Therefore, conducting dynamic anchor penetration anchoring test research has important practical and theoretical significance.

[0003] When the power anchor enters the water from the atmosphere and then enters the embankment soil from the water, the speed and moment of inertia will change dramatically. It is necessary to study the important influence of the interface effect on the motion trajectory and energy dissipation of the power anchor, and reveal the penetration law of the power anchor in the soil. Visualization research based on optical principles is an important means of experimental research. However, how to adjust the launch angle, height and kinetic energy of the power anchor, as well as the visual observation of the motion trajectory of the anchor in the soil, are still technical problems that need to be solved. Summary of the invention

[0004] In order to solve these technical problems, the present invention provides a power anchor penetration anchoring model test device and test method based on transparent soil technology, which provides technical support for further studying the penetration anchoring mechanism of the power anchor in the soil.

[0005] The objective of the present invention is achieved through the following technical solutions: A power anchor penetration anchoring model test device based on transparent soil technology comprises a power anchor body, which is mounted on a power anchor launching device, a penetration anchoring test sand box is arranged at the lower part of the power anchor, an anchoring force measuring structure is also arranged on the penetration anchoring test sand box, the power anchor launching device is mounted on an adjusting structure, a power anchor cable is arranged on the power anchor launching device, an end of the power anchor cable is connected to the power anchor body, an anchoring force measuring rope connected to the power anchor cable is arranged on the anchoring force measuring structure, and a camera is arranged directly in front of the penetration anchoring test sand box.

[0006] The above-mentioned dynamic anchor penetration anchoring model test device based on transparent soil technology, the penetration anchoring test sand box is a saturated transparent soil sand box, wherein two permeable grids are arranged, and a saturated transparent soil chamber is formed between the two permeable grids, and an inlet overflow chamber and an outlet overflow chamber are respectively formed between the two permeable grids and the transparent soil sand boxes on both sides, the inlet pipe of the circulating pump passes through the upper wall of the inlet overflow chamber and is connected to the inlet overflow chamber, and the outlet pipe of the circulating pump passes through the lower wall of the outlet overflow chamber and is connected to the outlet overflow chamber.

[0007] The above-mentioned dynamic anchor penetration anchoring model test device based on transparent soil technology, the adjustment structure includes a slide rail base plate, a first vertical rod fixing seat, a first support vertical rod, a first support cross rod, and a firing gun fixing structure, the first support vertical rod is fixed in the first vertical rod fixing seat, the first vertical rod fixing seat is slidably connected to the slide rail base plate, the first support cross rod is installed on the first support vertical rod through a rotatable connector, and the first vertical rod fixing seat is slidably connected to the slide rail base plate and fastened by bolts.

[0008] The above-mentioned dynamic anchor penetration anchoring model test device based on transparent soil technology, the rotatable connector includes two connectors, a clamp is provided at one end of the connector, and a turntable is provided at the other end, the two connector clamps are respectively clamped with the first supporting vertical rod and the first supporting horizontal rod, a rotating shaft is provided in the middle of one of the two connectors, and a groove for accommodating the rotation of the rotating shaft is provided in the middle of the other turntable, and the turntables of the two connectors can rotate relative to each other after being sleeved, and adjustment holes are provided on the turntables of the two connectors. After rotating to the set position, the adjusting bolts pass through the adjustment holes of the two connectors to fasten the two turntables.

[0009] The above-mentioned power anchor penetration anchoring model test device based on transparent soil technology, the power anchor launching device includes a power anchor launching gun, the power anchor launching gun is connected to a power anchor cable, the power anchor launching gun is installed on a launching gun fixing seat, and the launching gun fixing seat is fixed to the end of the first supporting cross bar.

[0010] The above-mentioned dynamic anchor penetration anchoring model test device based on transparent soil technology, the launch gun fixing seat includes a clamping seat for clamping the launch gun, the clamping seat is fixed at the end of the first supporting cross bar, and an arc-shaped adjustment hole is provided on the clamping seat. After the launch gun is clamped into the clamping seat, the adjusting bolt passes through the arc-shaped adjustment hole to fasten the launch gun in the clamping seat.

[0011] The above-mentioned dynamic anchor penetration anchor model test device based on transparent soil technology, the anchoring force measurement structure includes a second vertical rod fixing seat, a second support vertical rod, a second support cross rod and a pulley fixing frame, the second support vertical rod is installed in the second vertical rod fixing seat, the second vertical rod fixing seat is slidably set on the slide rail bottom plate and fastened by bolts, the second support cross rod is installed on the second support vertical rod through a connecting piece, the pulley fixing frame is installed on the second support cross rod, the pulley is installed in the pulley fixing frame, one end of the anchoring force measurement rope is connected to the weight standard body, and the other end passes through the pulley and hangs down to above the penetration anchor test sand box.

[0012] The above-mentioned dynamic anchor penetration anchoring model test device based on transparent soil technology, the second support vertical rod is also provided with a hose fixing clamp, the circulating pump hose is connected to the circulating pump water inlet pipe through the hose fixing clamp, and further: the second support cross bar is provided with a plurality of pulley frames, the second support cross bar is also provided with a vertical square bar, the vertical square bar is provided with a plurality of pulley frames, the pulleys are installed in the pulley frames, one end of the anchoring force measurement rope is connected to the weight standard body, and the other end passes through the pulley on the vertical square bar and the pulley on the second support cross bar in turn and hangs down to above the penetration anchoring test sand box.

[0013] The above-mentioned power anchor penetration anchoring model test device based on transparent soil technology, the front end of the saturated transparent soil sand box is provided with a camera, and a better solution is: the power anchor cable is connected by two sections of ropes through a transition buckle, one end of the anchoring force measurement rope is connected to the weight standard body, and the other end passes through the pulley on the vertical square rod and the pulley on the second supporting cross bar in turn, and hangs down to the top of the penetration anchoring test sand box and is connected to the power anchor cable transition buckle.

[0014] A test method for the above-mentioned dynamic anchor penetration anchor model test device based on transparent soil technology comprises the following steps: s1: Use glycerol and water in a mass ratio of 10:1 to prepare a glycerol aqueous solution with matching refractive index, then slowly add transparent quartz particles into the glycerol aqueous solution to mix to form saturated transparent soil, and let the saturated transparent soil stand or evacuate to eliminate internal bubbles; s2: Install the slide rail bottom plate, the first vertical rod fixing seat, the first support vertical rod, the second vertical rod fixing seat, the second support vertical rod, the power anchor launching structure, the anchor force measuring structure, the penetration anchor test sand box, the hose, the circulation pump and the camera in sequence, adjust the first support vertical rod and the second support vertical rod on both sides and the transparent soil water tank to a suitable distance through the bolts between the first vertical rod fixing seat, the second vertical rod fixing seat and the slide rail bottom plate, and fix the hose on the second support vertical rod through the hose fixing clamp; s3: Add saturated transparent soil into the middle transparent soil chamber of the transparent soil tank and vibrate it with a vibrator for a certain time to ensure the same initial soil physical properties; add saturated transparent soil according to the set experimental conditions to ensure a certain soil depth and flooding depth; s4: Install the power anchor launching gun, connect the power anchor body to the power anchor rope and install it into the launching gun; s5: Install the power anchor launcher on both sides in the launcher's clamping seat, then adjust the launcher to the set angle and tighten it with the adjusting bolt; s6: Adjust the first support crossbar and the rotatable connector to ensure the proper firing position, height and angle of the firing gun, and make preparations for firing; s7: Turn on the circulation pump, set the gear, and measure the flow rate through the flow meter after the water flow reaches a stable state; s8: Adjust the camera height to the center of the water tank, then turn on the camera and adjust the frame rate, exposure time and shooting range; s9: Pull the trigger of the power anchor firing gun, and observe the movement trajectory, penetration depth and angle of the power anchor body in the transparent soil, and conduct a visualization study on the penetration movement law of the power anchor; s10: Unfasten the transfer buckle on the power anchor rope and transfer it to the anchor force measurement rope, and determine the maximum anchor force of the power anchor without sliding by the weight of the weight standard body; s11: According to the test needs, if repeated experiments and experiments under different working conditions are to be carried out, the saturated transparent soil sand box needs to be restored to the initial undisturbed state. The specific steps are as follows: (a) Let the sand box stand for 5 minutes, and change the initial power of the dynamic anchor, water depth, dynamic water flow rate, and soil depth conditions according to the working conditions. (b) vibrating the soil with a vibrator for the same time to ensure the same initial soil physical properties; (c) Repeat steps s4-s10 to carry out the next set of experiments.

[0015] Compared with the prior art, the present invention has the following beneficial technical effects: The present invention provides a simulation model test device that can be used for the research of the penetration and anchoring of a power anchor. The device has the functions of visual observation, adjustable launch angle, height and kinetic energy of the power anchor, etc. Based on the device, a visual test of the penetration law of the power anchor can be directly carried out, and then the maximum anchoring force of the power anchor can be measured. The problem of adjustable launch angle, height and kinetic energy of the power anchor is solved as a whole, and the real-time observation of the penetration motion trajectory of the anchor body and the measurement of the maximum anchoring force are realized. The structure is modularized and convenient for assembly and disassembly. The device is simple to operate, low in cost and strong in expansibility, and provides important support for the research of the penetration and anchoring law of the power anchor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention.

[0017] Figure 2 It is a schematic structural diagram of the power anchor launching device of the present invention.

[0018] Figure 3 It is a schematic diagram of the working process of the power anchor launching device of the present invention.

[0019] Figure 4 It is a schematic diagram of the anchoring force measurement structure of the present invention.

[0020] Figure 5 It is a schematic diagram of the saturated transparent soil sand box structure of the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Combine the following Figure 1 and Figure 2 The structure and working process of the present invention are described in detail.

[0026] like Figure 1 As shown, a power anchor penetration anchoring model test device based on transparent soil technology includes a power anchor body 8, the power anchor body is installed on a power anchor launching device, a penetration anchoring test sand box is arranged at the lower part of the power anchor, and an anchoring force measuring structure is also arranged on the penetration anchoring test sand box, the power anchor launching device is installed on the adjustment structure, a power anchor cable 20 is arranged on the power anchor launching device, the end of the power anchor cable is connected to the power anchor body 8, and an anchoring force measuring rope 27 connected to the power anchor cable is arranged on the anchoring force measuring structure, and a camera 14 is arranged in front of the penetration anchoring test sand box, which is fixed and adjusted in height by a camera stand 15, and is used to record the motion trajectory of the power anchor in real time. The present invention solves the adjustable problems of the launch angle, height, and kinetic energy of the power anchor as a whole, realizes the real-time observation of the penetration motion trajectory of the anchor body and the determination of the maximum anchoring force, and realizes modularization in structure, which is convenient for assembly and disassembly.

[0027] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 5 As shown, the penetration anchor test sand box is a saturated transparent soil sand box 9, in which two permeable fences 30 are arranged, and a saturated transparent soil chamber 33 is formed between the two permeable fences. A water inlet overflow cavity and a water outlet overflow cavity are formed between the two permeable fences and the transparent soil sand boxes on both sides, respectively. The water inlet overflow cavity and the water outlet overflow cavity constitute the stabilizing layer on both sides of the transparent soil filling layer; a porous structure with a stable water flow function is arranged on the upper part of the permeable fence between the middle filling layer and the stabilizing layer on both sides; the water inlet pipe 31 of the circulating pump 12 passes through the upper wall of the water inlet overflow cavity to be connected to the water inlet overflow cavity, and the water outlet pipe 32 of the circulating pump 12 passes through the lower wall of the water outlet overflow cavity to be connected to the water outlet overflow cavity. The dynamic water flow condition is realized, and the flow rate of the water flow can be controlled by the circulating pump.

[0028] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 2-3 As shown, the adjustment structure includes a slide rail base plate 1, a first vertical rod fixing seat 2a, a first support vertical rod 3a, a first support cross rod 4a, and a firing gun fixing structure 6. The first support vertical rod 3a is fixed in the first vertical rod fixing seat, the first vertical rod fixing seat is slidably connected to the slide rail base plate, the first support cross rod 4a is installed on the first support vertical rod 3a through a rotatable connector 5, and the first vertical rod fixing seat is slidably connected to the slide rail base plate and fastened by bolts.

[0029] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 2-3 As shown, the rotatable connector 5 includes two connectors, a turntable 16 is provided at one end of the connector, and a clamp 17 is provided at the other end. The two connector clamps are respectively clamped with the first supporting vertical rod and the first supporting horizontal rod. A rotating shaft is provided in the middle of one of the two connectors, and a groove for accommodating the rotation of the rotating shaft is provided in the middle of the other connector. After the turntables of the two connectors are sleeved, the two turntables can rotate relative to each other. Adjustment holes are provided on the turntables of the two connectors. After rotating to the set position, the adjusting bolts pass through the adjustment holes of the two connectors to fasten the two turntables.

[0030] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 2-3 As shown, the power anchor launching device includes a power anchor launching gun 7, to which a power anchor cable 20 is connected. The power anchor launching gun is mounted on a launching gun fixing seat 19 through a gun clamp 18, and the launching gun fixing seat is fixed at the end of the first supporting cross bar.

[0031] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 2As shown, the launch gun fixing seat includes a clamping seat for clamping the launch gun, the clamping seat is fixed to the end of the first supporting cross bar, and an arc-shaped adjustment hole is provided on the clamping seat. After the launch gun is clamped into the clamping seat, the adjusting bolt passes through the arc-shaped adjustment hole to fasten the launch gun in the clamping seat.

[0032] The more preferred structure here is that the firing gun is fixedly installed in the clamping plate, and the firing gun clamping plate is composed of two detachable flat plates. The power anchor firing gun is fixed by 4 sets of threaded structures, and also includes a rotating shaft passing through the two clamping plates; the clamping plate is inserted into the clamping seat, and the rotating shaft passes through the clamping seat and the two clamping plates. Corresponding arc holes are provided on the U-shaped clamping plate and the clamping seat, and the arc holes are provided on the arc with an angle dial. The arc holes are located on an arc centered on the rotating shaft. When in use, the clamping plate is rotated to adjust the firing angle of the firing gun to the designed position, and then the adjusting bolt is passed through the clamping seat and the U-shaped clamping plate in turn and fastened with a nut. In this way, the firing gun is fixed at the end of the first supporting crossbar. The firing gun clamping plate is fixed in the clamping seat by the rotating shaft and the adjusting bolt, so that the angle adjustment of the firing gun and the crossbar is realized, and then the firing angle of the power anchor is adjusted.

[0033] The dynamic anchor penetration anchor model test device based on transparent soil technology of the present invention is as follows: Figure 4 As shown, the anchoring force measuring structure includes a second vertical rod fixing seat 2b, a second supporting vertical rod 3b, a second supporting cross rod 4b and a pulley fixing frame 26, the second supporting vertical rod is installed in the second vertical rod fixing seat, the second vertical rod fixing seat is slidably arranged on the bottom plate of the slide rail and fastened by bolts, the second supporting cross rod is installed on the second supporting vertical rod through a connecting member 22, the pulley fixing frame is installed on the second supporting cross rod, the pulley is installed in the pulley fixing frame, and one end of the anchoring force measuring rope 27 is connected to the weight standard body, and the other end passes through the pulley and hangs down to the top of the penetration anchor test sand box. Hooks are set at both ends of the anchoring force measuring rope, the weight standard body hung on one end is a weight, and the other end is hung with a power anchor cable, which is used to measure the maximum anchoring force of the power anchor without sliding.

[0034] The first supporting vertical rod and the first vertical rod fixing seat, and the second supporting vertical rod and the second vertical rod fixing seat of the present invention are all connected by threads, and the first vertical rod fixing seat and the second vertical rod fixing seat can both move along the inner sliding groove of the slide rail base plate, and are fixed to the slide rail base plate by bolts after moving to the set position; the first supporting cross bar is connected to the first supporting vertical rod through a rotatable adapter, and the first supporting cross bar can be extended and retracted and rotated horizontally and vertically, and slide along the vertical rod at the adapter.

[0035] The dynamic anchor penetration anchoring model test device based on transparent soil technology described in the present invention is further provided with a hose fixing clamp 13 on the second support vertical rod, and the circulating pump hose 11 is connected to the circulating pump water inlet pipe 31 through the hose fixing clamp; further: a plurality of pulley frames are provided on the second support cross bar, and a vertical square rod 24 is also provided on the second support cross bar, and a plurality of pulley frames are provided on the vertical square rod, and pulleys are installed in the pulley frames, one end of the anchoring force measurement rope 27 is connected to the weight standard body, and the other end passes through the pulley on the vertical square rod and the pulley on the second support cross bar in turn and hangs down to above the penetration anchoring test sand box.

[0036] The power anchor penetration anchor model test device based on transparent soil technology described in the present invention, the power anchor cable 20 is connected by two rope sections through a rope transfer buckle 21, one end of the anchoring force measurement rope 27 is connected to the weight standard body, and the other end passes through the pulley on the vertical square rod and the pulley on the second supporting crossbar in turn, and hangs down to the top of the penetration anchor test sand box and is connected to the power anchor cable transfer buckle. When the power anchor is launched, the rope transfer buckle 21 is untied, and its lower part can be transferred to the drooping end of the anchoring force measurement rope 27 on the pulley fixing frame 26, and then a weight is hung on the other end of the anchoring force measurement rope until the two ends are balanced, and the specific value of the anchoring force can be read.

[0037] The power anchor penetration anchor model test device based on transparent soil technology of the present invention comprises a slide rail base plate 1, a vertical rod fixing seat 2, a support vertical rod 3, a support cross bar 4, a firing gun fixing structure 6 and a power anchor firing gun 7, a saturated transparent soil sand box 9, a pulley fixing frame 26, a hose 11, a circulating pump 12, and a camera 14. The support vertical rod 3 is fixed in the vertical rod fixing seat 2 through a threaded hole and connected to the slide rail base plate 1 through bolts to form a supporting structure of the entire device. The power anchor firing gun 7 is combined and connected with the firing gun fixing structure 6, the support cross bar 4, and the rotatable connector 5 to realize spatial adjustment of the firing position and angle. The pulley block is installed on the second support cross bar through the pulley fixing frame 26. The rod 4b is connected to the pulley fixing frame on the vertical square rod 24 to form the entire pulley frame 10. The anchoring force measuring rope 27 on the pulley block 25 is connected to the rope adapter buckle 21 on one side and the weight hook 28 on the other side to measure the maximum anchoring force of the power anchor without sliding. The saturated transparent soil sand box 9 is located at a suitable position below the power anchor launching gun 7 and is provided with a water inlet and outlet connected to the circulating pump 12 through a hose 11. The camera 14 is located in front of the saturated transparent soil sand box 9 and the height is adjusted through the camera tripod 15. The above method can realize the adjustable launching angle, height and kinetic energy of the power anchor, the visual observation of the motion trajectory of the power anchor and the measurement of the maximum anchoring force of the power anchor.

[0038] The vertical rod fixing seat 2 of the present invention includes a first vertical rod fixing seat 2a and a second vertical rod fixing seat 2b, the supporting vertical rod 3 includes a first supporting vertical rod 3a and a second supporting vertical rod 3b, the supporting cross bar 4 includes a first supporting cross bar 4a and a second supporting cross bar 4b, the first vertical rod fixing seat 2a, the first supporting vertical rod 3a and the first supporting cross bar 4a are used on the adjustment structure of the dynamic anchor launching device, and the second vertical rod fixing seat 2b, the second supporting vertical rod 3b and the second supporting cross bar 4b are used on the anchoring force measuring structure.

[0039] A test method for the above-mentioned dynamic anchor penetration anchor model test device based on transparent soil technology comprises the following steps: s1: using glycerol and water in a mass ratio of 10:1 to prepare a glycerol aqueous solution with matching refractive index, then slowly adding transparent quartz particles into the glycerol aqueous solution to mix to prepare saturated transparent soil, and leaving the saturated transparent soil 33 to stand or evacuate to eliminate internal bubbles; s2: sequentially install the slide rail base plate 1, the first vertical rod fixing seat 2a, the first support vertical rod 3a, the second vertical rod fixing seat 2b, the second support vertical rod 3b, the power anchor launching structure, the anchor force measuring structure, the penetration anchor test sand box 33, the hose 11, the circulating pump 12 and the camera 14, and adjust the first support vertical rods and the second support vertical rods on both sides and the transparent soil water tank 29 to a suitable distance through the bolts between the first vertical rod fixing seat, the second vertical rod fixing seat and the slide rail base plate 1, and fix the hose 11 on the second support vertical rod through the hose fixing clamp 13; s3: adding saturated transparent soil into the middle transparent soil chamber 33 of the transparent soil tank 29 and vibrating it with a vibrator for a certain time to ensure the same initial soil physical properties; adding saturated transparent soil according to the set experimental conditions to ensure a certain soil depth and flooding depth; s4: Install the power anchor launching gun 7, and install the power anchor body 8 into the launching gun after connecting the power anchor rope 20; s5: Install the power anchor launching gun 7 on both sides in the clamping seat of the launching gun, then adjust the launching gun to the set angle and tighten it with the adjusting bolt; s6: Adjust the first supporting cross bar 4b and the rotatable connector 5 to ensure the proper firing position, height and angle of the firing gun and prepare for firing; s7: Turn on the circulation pump 12, set the gear, and measure the flow rate through the flow meter after the water flow reaches a stable state; s8: Adjust the height of the camera to be consistent with the center of the water tank, then turn on the camera 14, and adjust the frame rate, exposure time and shooting range; s9: Pull the trigger of the power anchor firing gun, and observe the movement trajectory, penetration depth and angle of the power anchor body in the transparent soil, and conduct a visualization study on the penetration movement law of the power anchor; s10: Unfasten the transfer buckle 21 on the power anchor rope and transfer it to the anchor force measurement rope 27, and determine the maximum anchor force of the power anchor without sliding by the weight of the weight standard body 28; s11: According to the test needs, if repeated experiments and experiments under different working conditions are to be carried out, the saturated transparent soil sand box needs to be restored to the initial undisturbed state. The specific steps are as follows: (a) Let the sand box stand for 5 minutes, and change the initial power of the dynamic anchor, water depth, dynamic water flow rate, and soil depth conditions according to the working conditions. (b) vibrating the soil with a vibrator for the same time to ensure the same initial soil physical properties; (c) Repeat steps s4-s10 to carry out the next set of experiments.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several changes and improvements can be made without departing from the overall concept of the present invention, which should also be regarded as the scope of protection of the present invention.

Claims

1. A dynamic anchor penetration anchoring model test device based on transparent soil technology, comprising a dynamic anchor body (8), the dynamic anchor body being mounted on a dynamic anchor launching device, characterized in that: A penetration anchor test sand box is arranged at the lower part of the power anchor, and an anchoring force measuring structure is also arranged above the penetration anchor test sand box. The power anchor launching device is installed on the adjustment structure. The power anchor launching device is provided with a power anchor cable (20), and the end of the power anchor cable is connected to the power anchor body (8). The anchoring force measuring structure is provided with an anchoring force measuring rope (27) connected to the power anchor cable. A camera (14) is arranged directly in front of the penetration anchor test sand box.

2. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 1 is characterized in that: The penetration anchor test sand box is a saturated transparent soil sand box (9), wherein two permeable fences (30) are arranged, a saturated transparent soil chamber (33) is formed between the two permeable fences, and a water inlet overflow chamber and a water outlet overflow chamber are formed between the two permeable fences and the transparent soil sand boxes on both sides, respectively. The water inlet pipe (31) of the circulation pump (12) passes through the upper wall of the water inlet overflow chamber and is connected to the water inlet overflow chamber, and the water outlet pipe (32) of the circulation pump (12) passes through the lower wall of the water outlet overflow chamber and is connected to the water outlet overflow chamber.

3. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 1 is characterized in that: The adjustment structure comprises a slide rail base plate (1), a first vertical rod fixing seat (2a), a first support vertical rod (3a), a first support cross rod (4a), and a firing gun fixing structure (6); the first support vertical rod (3a) is fixed in the first vertical rod fixing seat, the first vertical rod fixing seat is slidably connected to the slide rail base plate, the first support cross rod (4a) is mounted on the first support vertical rod (3a) via a rotatable connector (5), and the first vertical rod fixing seat is slidably connected to the slide rail base plate and is fastened via bolts.

4. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 3 is characterized in that: The rotatable connector (5) comprises two connectors, one end of which is provided with a clamp and the other end of which is provided with a turntable, the two connector clamps are respectively clamped with the first supporting vertical rod and the first supporting horizontal rod, one of the two connectors has a rotating shaft in the middle, and the other has a groove in the middle for accommodating the rotation of the rotating shaft, the turntables of the two connectors are sleeved to enable the two turntables to rotate relative to each other, the turntables of the two connectors are provided with adjustment holes, and after being rotated to a set position, the adjustment bolts pass through the adjustment holes of the two connectors to fasten the two turntables.

5. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 3 is characterized by: The power anchor launching device comprises a power anchor launching gun (7), to which a power anchor cable is connected. The power anchor launching gun is mounted on a launching gun fixing seat (19) via a gun clamp (18), and the launching gun fixing seat is fixed to the end of the first supporting cross bar.

6. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 5 is characterized by: The launcher gun fixing seat includes a clamping seat for clamping the launcher gun, the clamping seat is fixed to the end of the first supporting cross bar, and an arc-shaped adjustment hole is provided on the clamping seat. After the launcher gun is clamped into the clamping seat, the adjustment bolt passes through the arc-shaped adjustment hole to fasten the launcher in the clamping seat.

7. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 3 is characterized by: The anchoring force measuring structure comprises a second vertical rod fixing seat (2b), a second supporting vertical rod (3b), a second supporting cross rod (4b) and a pulley fixing frame (26), wherein the second supporting vertical rod is installed in the second vertical rod fixing seat, the second vertical rod fixing seat is slidably arranged on the slide rail bottom plate and fastened by bolts, the second supporting cross rod is installed on the second supporting vertical rod through a connecting piece, the pulley fixing frame is installed on the second supporting cross rod, the pulley is installed in the pulley fixing frame, one end of the anchoring force measuring rope (27) is connected to the weight standard body, and the other end passes through the pulley and hangs down to the top of the penetration anchoring test sand box.

8. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 7 is characterized by: The second support vertical rod is also provided with a hose fixing clamp (13), and the circulation pump hose (11) passes through the hose fixing clamp and is connected to the circulation pump water inlet pipe (31); further: the second support cross bar is provided with a plurality of pulley frames, and the second support cross bar is also provided with a vertical square rod (24), and the vertical square rod is provided with a plurality of pulley frames, and pulleys are installed in the pulley frames, and one end of the anchoring force measurement rope (27) is connected to the weight standard body, and the other end passes through the pulley on the vertical square rod and the pulley on the second support cross bar in sequence and hangs down to the top of the penetration anchoring test sand box.

9. The dynamic anchor penetration anchoring model test device based on transparent soil technology according to claim 2 is characterized in that: The power anchor cable (20) is composed of two rope sections connected by a transition buckle (21); one end of the anchoring force measurement rope (27) is connected to a weight standard body, and the other end passes through the pulley on the vertical square rod and the pulley on the second supporting cross bar in sequence, and then hangs down to the top of the penetration anchor test sand box and is connected to the power anchor cable transition buckle.

10. A test method for a dynamic anchor penetration anchor model test device based on transparent soil technology as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: s1: using glycerol and water in a mass ratio of 10:1 to prepare a glycerol aqueous solution with matching refractive index, then slowly adding transparent quartz particles into the glycerol aqueous solution to mix to prepare saturated transparent soil, and leaving the saturated transparent soil (33) to stand or evacuate to eliminate internal bubbles; s2: sequentially install the slide rail base plate (1), the first vertical rod fixing seat (2a), the first support vertical rod (3a), the second vertical rod fixing seat (2b), the second support vertical rod (3b), the power anchor launching structure, the anchor force measuring structure, the penetration anchor test sand box (33), the hose (11), the circulation pump (12) and the camera (14), adjust the distance between the first support vertical rod and the second support vertical rod on both sides and the transparent soil water tank (29) to a suitable distance through the bolts between the first vertical rod fixing seat, the second vertical rod fixing seat and the slide rail base plate (1), and fix the hose (11) on the second support vertical rod (3) through the hose fixing clamp (13); s3: adding saturated transparent soil into the middle transparent soil chamber (33) of the transparent soil tank (29), and vibrating it with a vibrator for a certain period of time to ensure the same initial soil physical properties; adding saturated transparent soil according to the set experimental conditions to ensure a certain soil depth and flooding depth; s4: installing the power anchor launching gun (7), the power anchor body (8) is connected to the power anchor rope (20) and then installed into the launching gun; s5: Install the power anchor launching gun (7) on both sides in the launching gun clamping seat, then adjust the launching gun to the set angle and tighten it with the adjusting bolt; s6: adjusting the first supporting cross bar (4b) and the rotatable connecting member (5) to ensure the proper firing position, height and angle of the firing gun, and making preparations for firing; s7: Turn on the circulation pump (12), set the gear, and measure the flow rate through the flow meter after the water flow reaches a stable state; s8: Adjust the camera height to be consistent with the center of the water tank, then turn on the camera (14), and adjust the frame rate, exposure time and shooting range; s9: Pull the trigger of the power anchor firing gun, and observe the movement trajectory, penetration depth and angle of the power anchor body in the transparent soil, and conduct a visualization study on the penetration movement law of the power anchor; s10: Unlock the transfer buckle (21) on the power anchor rope and transfer it to the anchor force measurement rope (27), and determine the maximum anchor force of the power anchor without sliding by the weight of the weight standard body (28); s11: According to the test needs, if repeated experiments and experiments under different working conditions are to be carried out, the saturated transparent soil sand box needs to be restored to the initial undisturbed state. The specific steps are as follows: (a) Let the sand box stand for 5 minutes, and change the initial power of the dynamic anchor, water depth, dynamic water flow rate, and soil depth conditions according to the working conditions. (b) vibrating the soil with a vibrator for the same time to ensure the same initial soil physical properties; (c) Repeat steps s4-s10 to carry out the next set of experiments.

Images