The invention discloses a fluid-solid coupling model test water level automatic control system which comprises a water level monitor, a controller, a water replenishing device and a real-time display device; the water level monitor, the water replenishing device and the real-time display device are all connected with the controller; the water level monitor comprises a floating scale and a grating scale displacement sensor; the floating scale is connected with the readout end of the grating scale displacement sensor; the readout end is driven to move through scale floating; the pulse signal of the grating scale displacement sensor reflects the height of water level; the controller controls the water replenishing device to adjust the water level by collecting the data signal of the water level monitor. The fluid-solid coupling model test water level automatic control system provided by the invention has the benefits as follows: the system can be used for monitoring, regulating and controlling the water level in real time, so as to ensure the authenticity and the accuracy of testing results; full automation is achieved, and labor input in tests are reduced.

The invention discloses a device for simulating bursting rolling of dangerous rock bodies on a geotechnical engineering slope, which comprises a bottom plate. A steel frame is arranged on the bottom plate; the periphery of the steel frame is provided with at least one transparent plate of which the lateral surface is provided with meshes; a plurality of pick-up devices capable of being shifted are arranged on the bottom plate outside the transparent plate; the steel frame is filled with simulated slope soil mass; the upper part of the simulated slope soil mass is provided with a speed simulation device; the speed simulation device comprises a power transmission device; and simulated caved stacked rock mass is arranged on the power transmission device. The device has a simple structure, is convenient to operate and has high experimental accuracy and high efficiency.

The utility model relates to a large fluid-solid coupling model test bench with a prefabricated fault, which comprises a bench body, wherein a tempered glass lining waterproof layer is arranged on each inner wall of the bench body to form a sealed space; a water inlet is formed in the top of the sealed space; a fault prefabrication module is arranged in the sealed space; the fault prefabrication module comprises a template fixing framework; the two sides of the template fixing framework are mounted with the tempered glass lining waterproof layer, and at the same time, at least a pair of adjustable-inclination module sliding guide rails are arranged on the two sides of the template fixing framework respectively; a fault prefabrication template is placed on the template sliding guide rail; a fluid-solid coupling similar material is paved in the sealed space; a monitoring element is embedded in the fluid-solid coupling similar material; the monitoring element is connected with an information acquisition and storage device; and the information acquisition and storage device is connected with an information real-time display device. The large fluid-solid coupling model test bench provided by the utility model simulates the fluid-solid coupling characteristic of a tunnel passing through the fault to obtain a conclusion better conforming to the actual conditions, thereby guaranteeing the construction quality and safety.

The invention relates to a large-scale fluid-solid coupling model test bench being capable of prefabricating fault and a test method. The test bench comprises a bench body, wherein each inner wall of the bench body is provided with a tempered glass lined impermeable layer, thereby forming a sealed space, a top of the sealed space is provided with a water inlet, a fault prefabricating module is arranged in the sealed space and comprises a template fixed frame, two sides of the template fixed frame are mounted with the tempered glass lined impermeable layer and are provided with at least a pair of module sliding rails with adjustable inclination angles at the same time, the module sliding rails are provided with the fault prefabricating module, fluid-solid coupling similar materials are paved in the sealed space and embedded with monitoring members which are connected with an information collecting and storing device, and the information collecting and storing device is connected with a real-time information display device. The test bench simulates fluid-solid coupling characteristics of tunnels crossing the faults, and thus obtains conclusions relatively according with actual situations and guarantees construction quality and safety.

The utility model discloses a real-time information displaying system for similar model testing, which comprises a testing rack, a data processing device and a real-time data display screen. Similar materials are laid inside the testing rack. Monitoring elements for monitoring relevant parameters of a model body state are embedded in the similar materials. The monitoring elements are connected with a monitoring data acquisition device outside the testing rack. Monitoring data are processed through programs in the data processing device. Relevant parameters are then dynamically displayed on the real-time data display screen. The real-time information displaying system researched by the utility model and applied for monitoring data in a model test solves problems of the timeliness and the direct-viewing displays of the monitoring data in the model test. When applied in the model test, the real-time information displaying system, when compared with that researched by the predecessors, can display the monitoring data of the testing process in a timelier manner, enable a test operator to know the state of the model body the first time and further facilitate the control of the testing process by the test operator. The accuracy of the model test is significantly improved.

The utility model discloses a blasting and rolling simulation device for geotechnical engineering side slope dangerous rock bodies. The blasting and rolling simulation device comprises a bottom plate, wherein the bottom plate is provided with a steel frame, the periphery of the steel frame is provided with transparent boards, the transparent board of at least one side surface of the steel frame is provided with grids, the bottom plate outside the transparent boards is provided with a plurality of cameras, the steel frame is filled with simulated side slope soil mass, the upper part of the simulated side slope soil mass is provided with a speed simulation device, the speed simulation device comprises a power transmission device, and the power transmission device is provided with simulated slumped stacked rocks. The blasting and rolling simulation device disclosed by the utility model has the advantages of simple structure, convenient operation, high experiment accuracy and high efficiency.

The utility model relates to a device for recording displacement parameters of a drill bit of a drilling machine by using laser in real time. The device comprises a drilling jig, wherein a center following bracket is arranged at one end of the drilling jig; a top forehead of the drilling jig is arranged at the other end of the drilling jig; a power auxiliary device and a drill bit clamper are arranged on the drilling jig; the power auxiliary device is connected with a power head; the power head corresponds to the drill jig clamper; a laser displacement sensor is arranged on the top forehead of the drilling jig; a standard target which is positioned on the same straight line with the laser displacement sensor and a drill rod is arranged at the rear part of the power head auxiliary device; and the laser displacer is connected with a data processing device through a data wire. With the drilling in of the drill bit, the distance between the laser displacement sensor and the standard target is reduced so as to generate a difference which is the displacement of the drill bit; and the displacement is transmitted to terminal equipment through a cable on the laser displacement sensor, and the judgment on the lithological characters of front rocks can be realized. The device has the advantages of simple structure, high detection precision, interference resistance, convenience in measurement, and the like.

The utility model relates to a device for acquiring pressured parameters of a drill bit during forward movement of a drilling machine, which comprises a drilling stand, wherein a center following rack is arranged at one end of the drilling stand; a drilling stand top forehead is arranged at the other end of the drilling stand; a power head auxiliary device and a drilling bit clamper are arranged on the drilling stand; the power head auxiliary device is connected with a power head which corresponds to the drilling bit clamper; the tail of the power head auxiliary device is connected with one end of a hydraulic pipe through a sealing connecting head; the other end of the hydraulic pipe is connected with a hydraulic pump of the drilling machine; the hydraulic pipe is connected with a hydraulic sensor through a joint; and the hydraulic sensor is connected with a data processing device through a data wire. The drilling bit is pushed by liquid pressed by the hydraulic pump to allow a drilling rod to be drilled into a rock mass; the liquid applies a certain pressure on the hydraulic sensor through a joint between the hydraulic sensor and the hydraulic pipe; pressure parameter are calibrated by calculation, are the pressure parameters of the drill bit during forward movement and are transmitted to terminal equipment through a cable on the hydraulic sensor, thus the judgment for the lithology of front rocks can be achieved.

The utility model relates to a device capable of real-time recording of the drill speed parameters of a drilling machine. The device comprises a drill stand, wherein a central heel frame is arranged at one end of the drill stand, a power head auxiliary device and a drill clamping device are arranged on the drill stand, the power head auxiliary device is connected with a power head connecting rod, the power head connecting rod is sleeved by a photoelectric coded disc, the photoelectric coded disc is connected with a data processing device through a data line, the power head connecting rod is connected with a power head, and the power head is corresponding to the drill clamping device. The inner wall of the photoelectric coded disc rotates with a drill rod as a drill penetrates into rock soil; different patterns are radiated from the interior of the photoelectric coded disc as a light source rotates; the patterns can be interpreted to acquire the rotation information; and the rotation information is sent to a terminal device through a cable on the photoelectric coded disc, so that the lithological characteristics of rocks in front can be judged. The utility model has the advantages of simple structure, high detection precision, interference resistance, convenience in measurement, etc.