40results about How to "Realize displacement control" patented technology

The invention relates to a device suitable for ring shear test and soil sample preparation of a vertical shearing surface. The device comprises a shearing box, a lifting system, a power rotating system, a monitoring control system, a soil sample preparation system and a frame, wherein shearing plates are uniformly fixed on an annular base plate along the radial direction of the annular base plate; an outer cover of the shearing box is covered on the annular base plate and the shearing plates and is assembled and fixed with the annular base plate through a guide strip and a guide slot; the outer cover of the shearing box is connected with a rotating force arm of the power rotating system and is used for transmitting torque; a coupling pressing plate is aligned and embedded into a central hole of a top plate of the outer cover of the shearing box and is driven by the lifting system to load normal force; the annular base plate is aligned and embedded into a cylindrical support platform; and under the effect of driving torque, an inner cylindrical side wall generated by the circling motion of the annular base plate under the driving of the shearing plates is the vertical shearing surface. According to the invention, the shearing displacement and the uniform distribution of the shearing stress on the shearing surface can be guaranteed, the thickness of the vertical shearing surface is not limited and the device has the functions of sample preparation and vertical shearing test.

The present invention provides an opening-type wind tunnel model test support device, belonging to the technical field of wind tunnel tests. The support device employs a 'link rod' mechanism, and independent motion of each support arm achieves angle and displacement control. The whole set of system employs hydraulic position servo and is formed by a Z-directional mechanism and a variable angle mechanism. The Z-directional mechanism is formed by a pedestal, a support, a hydraulic cylinder, a pulley and a guide rail, and the hydraulic cylinder achieves Z-direction displacement through guidance push of the pulley by the guide rail. The variable angle mechanism is formed by a model support rod, a fixing support arm, three movable support arms, six dual-action single-pole piston hydraulic cylinders, and can achieve conversion of a pitch angle and a yaw angle. Through correlated effects and mutual monitoring of four subsystems, the opening-type wind tunnel model test support device is high in control system anti-interference capability, can greatly improve the precision and the reliability of the monitoring system, is free and flexible in set of control parameters and can meet the various control requirements.

The invention discloses a high embankment slope stabilizing structure. The high embankment slope stabilizing structure comprises a retaining wall, steel pipe piles and anchor rods; the retaining wallis arranged at the foot of a high embankment slope, concrete-filled steel pipe piles are arranged on the inner surface of the retaining wall, an excavation step and a gravel drainage zone are arrangedat a filling and excavation interface, the bottoms of the concrete-filled steel pipe piles and the steel pipe piles penetrate through the gravel drainage zone, and the upper sections of the steel tube piles are sleeved with grouting sleeves correspondingly; the lower end of the grouting sleeves extend to the gravel drainage zone, the upper end of each grouting sleeve is connected with a groutingopening through a grouting pipe, a fixed pulley and a pipeline channel are arranged inside each concrete-filled steel pipe pile, the anchor rods are is fixed in a rock stratum behind the excavation step, the exposed parts of the tops of the anchor rods are connected with steel strands, and the steel strands are connected to the fixed pulleys or the steel pipe piles at the same height; the steel strands connected to the fixed pulleys are led out of crown beam through the pipeline channel and connected with a steel strand tensioning device. The high embankment slope stabilizing structure is suitable for reinforcing and active control of embankment deformation in the embankment construction and operation process, and is particularly suitable for embankment projects with high requirements forembankment stability and later operation safety.

The invention relates to the technical field of civil engineering, in particular to a foundation pit supporting structure and a construction method thereof. The structure comprises steel plate piles which are oppositely arranged, and supporting pieces fixed between the steel plate piles; and the supporting pieces are of a splicing structure and are adjustable in length. According to the foundationpit supporting structure, the supporting piece with the adjustable length is arranged so that the supporting piece can automatically control the axial force of the supporting piece, displacement control of the foundation pit supporting structure can be achieved according to the deformation of a foundation pit, and a relatively wide application range is achieved; and in addition, the supporting piece of the splicing structure can avoid the welding process in the construction process, so that the construction process is simple, and the material utilization rate is high.

The invention discloses a pushing system and method for a PLC multipoint synchronous three-dimensional hydraulic bridge. The pushing system comprises a pushing monitoring system and multiple groups ofwalking-type three-dimensional hydraulic pushing devices for pushing pushed steel box beams, and each pushing buttress is provided with a left temporary supporting base and a right temporary supporting base which are symmetrically distributed. The pushing method includes the steps of 1, constructing assembly jig frames and temporary buttresses; 2, constructing a three-dimensional adjusting device, the pushing devices and the temporary supporting bases; 3, carrying out steel-box-beam assembling and synchronous pushing; 4, carrying out steel-box-beam pushing. According to the pushing system andmethod for the PLC multipoint synchronous three-dimensional hydraulic bridge, steel box beams are synchronously pushed forwards multiple times through the multiple groups of walking-type three-dimensional hydraulic pushing devices, pushing controlling is easy and convenient, synchronous action of the multiple groups of walking-type three-dimensional hydraulic pushing devices can be easily and conveniently achieved, pushing positions are flexibly distributed, guide beams and sliding rail beams for longitudinal pushing are not required, self-balancing pushing is really achieved, and the pushingprocess is safe and reliable.

The invention discloses a steel box girder incremental launching construction method based on walking type three-dimensional hydraulic incremental launching equipment. The two ends of a construction steel box girder are each supported on a girder end pier, and the construction steel box girder is divided into a first girder body and a second girder body with a midspan pier being the boundary; incremental launching construction includes the steps that 1, temporary piers and midspan temporary piers are constructed; 2, incremental launching is conducted on the girder bodies synchronously throughthe walking type three-dimensional hydraulic incremental launching equipment; 3, midspan closing is conducted. The walking type three-dimensional hydraulic incremental launching equipment is adopted for conducting incremental launching on the two girder bodies synchronously until the two girder bodies of the constructed steel box girder are closed from two sides to the midspand; incremental launching of the walking type three-dimensional hydraulic incremental launching equipment is easy and convenient to control, multiple sets of walking type three-dimensional hydraulic incremental launching equipment can easily and conveniently act synchronously, incremental launching positions are arranged flexibility, a guide beam and a slideway beam used for longitudinal incremental launching are not needed, self-balance incremental launching is really realized, and the process of incremental launching is safe and reliable.

The invention discloses a depth-controllable rock sample drilling device and a utilization method. The problem about accurately drilling rock samples of different shapes is solved. The drilling devicecomprises a vertical rack, a drilling mechanism, an I-shaped slide mechanism, a caliper mechanism and a displacement mechanism, wherein pushing rods are arranged on a base of the vertical rack; the samples are fixed through the pushing rods; the pushing rods are provided with scales, so that the samples are accurately moved; clamping plates are arranged in front of the pushing rods; the clampingplates are changed to adapt to the samples of different shapes; and a through hole is formed in the center of the base of the vertical rack. According to the depth-controllable rock sample drilling device, holes of the processed samples are protected; stress springs are arranged in the slide mechanism, drilling force is controlled, and the drill sticking problem is avoided; and the outer surfacesof slides and the caliper mechanism are provided with scales, so that the drilling position and drilling depth are accurately controlled. The invention further discloses an operation method for drilling the rock samples of different shapes at different depths.

The invention discloses an automatic detection device for elevator guide rails, comprising a base, a first chute is formed on the base, a first rack is formed in the first chute, and a first gear is arranged on the bottom plate , the first gear is meshed with the first rack, the bottom plate is provided with a second chute, the second chute is provided with a second gear, and the bottom of the detection plate is formed with a hole parallel to the second chute. The second rack, the second rack is meshed with the second rack; the first gear is fixedly inserted on the first rotating shaft, one end of the first rotating shaft is fixedly connected to the output shaft of the drive motor, and the other end An external spline part is formed, and a first bevel gear with an internal spline hole in the center is inserted into the external spline part, and the second gear is fixedly inserted on the second rotating shaft, and the second rotating shaft is fixed A second bevel gear is plugged in. The invention has simple structure and reduces production cost.

The invention belongs to the technical field of testing, and relates to an impedance adjuster used for multi-parameter measurement of a microwave network under a microwave large signal state. The whole machine of the impedance adjuster consists of a microwave main body, a control unit, a display unit, a key, a drive unit, a photoelectric detection feedback unit, an external control computer, a standard external control interface and a precision The mechanical transmission part is composed. According to the principle of adjusting impedance in parallel, the impedance adjuster is connected in parallel to the flat coaxial transmission line through the admittance slider. The automatic control based on the high-performance microprocessor cooperates with the precision stepping motor and the precision mechanical transmission device, which can accurately realize the The displacement control of the admittance slider completes precise and small controlled displacement in the horizontal and vertical directions, and realizes precise impedance adjustment with a maximum reflection coefficient modulus of 0.875 and a repeatability better than 40dB.

The invention provides a linear compressor and a position detection method. The linear compressor comprises a shell, a piston and an air cylinder, wherein the piston and the air cylinder are arranged in the shell. The piston is arranged in the air cylinder in a sliding manner. An exhaust valve and an air cylinder cover are arranged on the air cylinder. The linear compressor further comprises a position detection assembly. The position detection assembly comprises a detection magnetic body and detection coils. The detection magnetic body is fixed to the exhaust valve. The detection coils are arranged on the air cylinder cover. The detection magnetic body and the detection coils are arranged oppositely. In the reciprocating motion process of the piston, the distances of the piston close to the exhaust valve are different, impacting force of different degrees is generated to the exhaust valve, and therefore the opening degrees of the exhaust valve are different; the distance between the detection magnetic body and the detection coils is changed, and therefore induced electromotive force values generated by the detection coils are different; and according to the induced electromotive force values generated by the detection coils, displacement of the piston can be calculated, position detection accuracy of the linear compressor is improved, and use reliability is improved.

The invention relates to a monitoring system based on the VR technology and used for drug production management. The system includes VR glasses, a smart bracelet and a central control mechanism; the smart bracelet includes a body, a watch strap and a fixing mechanism; the working power supply module includes a working power supply circuit; in the monitoring system based on the VR technology and used for drug production management, a managerial person wears VR glasses to carry out patrol management in a workshop, the smart bracelet records related working information of a working person, data is sent to the central control mechanism, the VR glasses display the related information, and therefore the working person is monitored and the reliability of the system is improved; a first fixing block is connected with s second fixing block, first transmission teeth are meshed with a transmission toothed wheel, the displacement of a sliding rod is controlled, a limiting unit is matched with a limiting groove, and the reliability of the system is improved; in the working power supply circuit, since the type of an integrated circuit is 7805, current passing through a resistor and an adjustable resistor is kept invariable, and the practicability of the system is improved.

The invention discloses a self-adaptive dynamic surface control method based on RBF neural network compensation, and the method comprises the steps: firstly guaranteeing the convergence and robustness of a proposed control scheme for the external time-varying disturbance of a primary permanent magnet linear motor through employing a backstepping method according to the Lyapunov stability theory; moreover, solving the problem of differential expansion in backstepping control by introducing an instruction filter, and finally,compensating unmodeled load disturbance suffered by the primary permanent magnet linear motor through an RBF neural network, so that the displacement control of a closed-loop signal of the primary permanent magnet linear motor can be achieved, and meanwhile, the robustness of the provided control method for parameter uncertainty is ensured.

The invention relates to the technical field of nicking tool production equipment, in particular to an automatic lathe for nicking tool accessory machining. The lathe is provided with a main machine providing power and a forming device, the main machine is provided with a clamp and a motor driving a main machine body to rotate, and the clamp is controlled by rotation of the main machine. The forming device comprises a first cutter for turning the outer wall of a cap, a second cutter for tapping the inner wall of the cap, a third cutter for pressing a spline on the outer wall of the cap, a fourth cutter for turning the cap to form a connecting part, a fifth cutter for chamfering the outer wall of the front end of the cap, and a sixth cutter for cutting the machined cap and enabling the cap to fall off from the clamp. A linkage structure drives the first cutter, the second cutter, the third cutter, the fourth cutter, the fifth cutter and the sixth cutter to synchronously machine the cap in sequence while being controlled by the motor to move, so that the cap form a finished product after falling off from the clamp. The lathe is simple in structure, reasonable, and high in production efficiency.

The invention relates to a detection device for detecting the bonding strength of a wet base surface and a detection method thereof. The device comprises a double-arm type universal testing machine, wherein a lower end of a lower cross beam of the double-arm type universal testing machine is connected with a lifting rod for lifting a to-be-tested material , a lower end of the lifting rod is of a hollow structure, a first bolt hole is transversely formed in the lower end of the lifting rod, a fixing frame is fixedly connected with the portion, below the double-arm type universal testing machine, of a workbench, a standard-size concrete plate is installed on a lower-layer plate of the fixing frame, a test piece is formed on the concrete plate and the test piece, a drawing connector is bondedto a forming face of the test piece through high-strength bonding agent, and a second plug pin hole is formed in an upper end of a drawing rod. The device is advantaged in that the device is simple in structure, convenient to use, controllable in loading speed and force and accurate in detection.

The invention relates to the technical field of seam welder driving portal frames, in particular to a driving portal frame for a reinforcement cage seam welder. The driving portal frame comprises a portal frame body, wherein a circular hole is formed in the portal frame body, and an outer ring is arranged in the circular hole of the portal frame body in a sleeved mode; an inner ring is arranged inthe outer ring in a sleeved mode, a support rod is fixedly connected between the outer ring and the inner ring, and a plurality of uniformly-distributed clamping devices are annularly arranged between the outer ring and the inner ring; and the clamping devices comprise outer barrels, positioning barrels, telescopic columns and side rods. By means of the structural design, the stable and efficientpositioning effect of the outer barrels is achieved, the clamping state between the positioning barrels and the telescopic columns can be broken in a short time only by manually pulling pressure rodsin a reciprocating mode, then the side rods can be manually pulled, therefore the positions of the outer barrels are adjusted, the outer barrels are automatically and firmly positioned after standingfor a certain time, and functions are stable and powerful.

The invention discloses an underwater low-resistance pile foundation low-strain dynamic monitoring device. A driving hammer and a stress wave receiving probe are integrated into a stress wave generation receiving device, and meanwhile automation of falling and lifting of the driving hammer is achieved; the stress wave generation receiving device is fixed to the top of a pile foundation through the combination of a balancing weight and a fixing device, an adhesive gluing gelatinous layer is arranged at the lower end of the stress wave receiving probe, and water passages are formed between the outer wall of a pushing and pressing chamber and the inner wall of a shell and between the outer wall of the pushing and pressing chamber and the inner wall of a waterproof separating layer respectively to be used for reducing water resistance. The underwater low-resistance pile foundation low-strain dynamic monitoring device has the advantages that the device can be used in deepwater high pressure environments; the driving hammer and the detection probe are combined, so that manual work is saved, and the water resistance is small during knocking through the driving hammer.

The invention provides a displacement actuator system applied to a spliced mirror telescope. The system comprises a voice coil motor, a displacement detection device, an active unloading device and anelectrical control unit. The voice coil motor is fixed on a fixed base in the middle of the active unloading device, the voice coil motor and the active unloading device are coaxially distributed, asliding rod attached with an electrified coil in the voice coil motor is fixed to an aluminum movable seat of the active unloading device, the displacement detection device is used for detecting a position signal and feeding back the position signal to the electrical control unit, and the electrical control unit is responsible for driving the voice coil motor and the active unloading device. Displacement control of nanoscale precision and higher output load capacity can be achieved, and the stability and wind disturbance resistance of the system are higher. The system is more compact in structure and suitable for being used under the extreme condition of a narrow space; the magnetic field in the electrified coil is stronger and more uniform, and the control precision of the voice coil motor is higher; and the control method is simple, and the control precision is higher.

The invention discloses a distributed multi-point synchronous electro-hydraulic servo control system of a tunnel model test platform. The system is characterized in that the system comprises a controlmodule, an oil tank, a first variable pump, a second variable pump, a third variable pump, a first control valve, a second control valve, a third control valve, a fourth control valve, a fifth control valve and an execution module; and the system has the advantages that the opening and closing states of the first control valve, the second control valve, the third control valve, the fourth controlvalve and the fifth control valve are controlled through the valve bank control module, oil ways flowing out of an outlet of the first variable pump, an outlet of the second variable pump and an outlet of the third variable pump form a series-parallel structure, oil supply to corresponding proportional valve-controlled hydraulic cylinder groups can be achieved, joint oil supply can also be performed by controlling the opening and closing states of the fourth control valve and the fifth control valve, oil supply can be performed in any combined mode, flexible arrangement is achieved accordingto load needs, an energy saving effect can be achieved, and a mutual-standby oil way effect is also achieved.

The invention discloses a low-strain dynamic monitoring device for an underwater pile foundation. A driving hammer and a stress wave receiving probe are arranged in a stress wave generating and receiving device together, the driving hammer can be released and retracted automatically, the stress wave generating and receiving device is fixed to the top of the pile foundation through the combination of a balance weight and a fixing device, an attaching colloidal matter layer is arranged at the lower end of the stress wave receiving probe, an openable water resistant door is arranged on the lower portion of a left cavity, rubber is arranged on the lower surface of the water resistant door, and when a pile is pressed by the stress wave generating and receiving device, a frame block presses the pile to achieve sealing together with a pile cap and then the water resistant door is opened. In this way, the left cavity contains no water all the time, and knocking effect can not be affected by friction between the driving hammer and water when the driving hammer falls down. A length adjuster is arranged to adjust the stretching length of the fixing device so that the low-strain dynamic monitoring device can be adapted to underwater pile foundations with different pile diameters.

The invention relates to a monitoring system based on the VR technology and used for drug production management. The system includes VR glasses, a smart bracelet and a central control mechanism; the smart bracelet includes a body, a watch strap and a fixing mechanism; the working power supply module includes a working power supply circuit; in the monitoring system based on the VR technology and used for drug production management, a managerial person wears VR glasses to carry out patrol management in a workshop, the smart bracelet records related working information of a working person, data is sent to the central control mechanism, the VR glasses display the related information, and therefore the working person is monitored and the reliability of the system is improved; a first fixing block is connected with s second fixing block, first transmission teeth are meshed with a transmission toothed wheel, the displacement of a sliding rod is controlled, a limiting unit is matched with a limiting groove, and the reliability of the system is improved; in the working power supply circuit, since the type of an integrated circuit is 7805, current passing through a resistor and an adjustable resistor is kept invariable, and the practicability of the system is improved.

The invention, belonging to the technical field of manufacturing parts of micro-electro-mechanical system, discloses a multifunctional micro-plastic forming system which can be used for extruding, forging, stamping, bending, incremental forming and a plurality of micro-plastic forming processes. The system comprises a support mechanism, a transmission mechanism, and a forming mechanism, wherein, the transmission mechanism is arranged on the support mechanism, and a die arranged on the forming mechanism is corresponding to a punch arranged on the transmission mechanism; a sample bench is fixed on an X-Y workbench, and the punch is connected with a pull-press sensor; and the sample bench is arranged in a vacuum cap, vacuum-pumping is carried out on the vacuum cap or protective gas is inserted in the vacuum cap to let the forming process be carried out in vacuum or protective atmosphere, so that the surface quality of a forming part is guaranteed. In addition, the pull-press sensor of the system can be used for compression tests and tension tests. According to the invention, the problems of single forming mode of the micro-plastic forming system and bad surface quality of the forming part caused by forming in high temperature atmosphere are solved.

The invention discloses a distributed multi-point synchronous electro-hydraulic servo control system of a tunnel model test platform, which is characterized in that it includes a control module, an oil tank, a first variable pump, a second variable pump, a third variable pump, a first control valve, a second control valve, the third control valve, the fourth control valve, the fifth control valve and the execution module; the advantage is that the first control valve, the second control valve, the third control valve, the fourth control valve and the The opening and closing states of the five control valves form a series-parallel structure with the oil passages flowing out from the outlet of the first variable pump, the second variable pump and the third variable pump. The oil supply of the hydraulic cylinder group can realize joint oil supply by controlling the opening and closing states of the fourth control valve and the fifth control valve, and can supply oil in any combination. It can be flexibly arranged according to the load requirements, which can not only achieve Energy-saving effect, but also can achieve the effect of mutual backup oil circuit.

The invention relates to a ring shear test instrument suitable for a vertical shear surface. The ring shear test instrument comprises a shear box, a lifting system, a power rotating system, a monitoring and controlling system and a frame. In the shear box, shear plates are evenly fixed to an annular bottom plate in the radial direction of the annular bottom plate, and a shear box outer cover is buckled to the annular bottom plate and the shear plates in a covering mode and is assembled and fixed to the annular bottom plate through guide bars and guide grooves; the shear box outer cover is connected with a rotating force arm of the power rotating system to transmit torque, a coupling shaft pressing plate is embedded in a center hole of a top plate of the shear box outer cover in a centered mode and is driven by the lifting system to conduct normal force loading, the annular bottom plate is embedded in a cylindrical supporting platform in a centered mode, and an inner cylindrical side face generated when the annular bottom plate drives the shear plates to conduct circular motion under the action of rotating torque is a vertical shear surface. The ring shear test instrument can ensure that shear displacement and shear stress on the shear surface are uniformly distributed, the thickness of the vertical shear surface is not limited, and thus a large ring shear test in the presence of large particulate matter is realized.

The invention discloses an intelligent maintenance automatic lifting and shifting device. The intelligent maintenance automatic lifting and shifting device comprises a track, a moving device is movably mounted in the track, a first motor is fixedly mounted in the moving device, a first bevel gear is fixedly mounted at the output end of the first motor, the first bevel gear is engaged with a secondbevel gear, a first transmission rod penetrates through the circle center of the second bevel gear, a wheel is fixedly mounted at one end of the first transmission rod, the second bevel gear is engaged with a third bevel gear, a second transmission rod penetrates through the circle center of the third bevel gear, a control assembly is fixedly mounted in the moving device, a brake box is fixedly mounted in the moving device, and a first gear is movably mounted in the brake box. The intelligent maintenance automatic lifting and shifting device is compact in internal structure, high in integration level, simple in overall structure combination and convenient to assemble and maintain, and high-precision displacement control is effectively achieved for common large machines.

The invention discloses a high embankment slope stabilization structure, which comprises: a retaining wall, steel pipe piles and anchor rods; a retaining wall is arranged at the slope foot of the high embankment; Excavation steps and gravel drainage belts are set at the interface, the bottoms of the steel pipe concrete piles and steel pipe piles pass through the gravel drainage belts, the upper section of the steel pipe piles is covered with a grouting sleeve, and the lower end of the grouting sleeve reaches the broken stone drainage belt. The upper end of the stone drainage belt is connected to the grouting port through the grouting pipe. The fixed pulley and the pipeline channel are arranged inside the steel pipe concrete pile. The anchor rod is fixed in the rock stratum behind the excavation steps. The strands are connected to fixed pulleys or steel pipe piles at equal heights, and the steel strands connected to the fixed pulleys are led out of the crown beam through the pipeline channel and connected to the steel strand tensioning device. It is suitable for reinforcement and active control of embankment deformation during embankment construction and operation, especially for embankment projects with high requirements for embankment stability and later operation safety.

The invention discloses a dust-fall type crushing structure for microbial preparation particles. A fixing support is fixedly connected to an installation port, a second support is fixedly connected to the bottom end part of a grinding box, the fixing support and the second support are connected through a hydraulic driving cylinder, a first support is fixedly connected to the top end part of the grinding box, the fixing support and the first support are connected through a spring, and a telescopic pipeline is connected to a charging port; and a second clamping ring is fixedly connected to the bottom end part of the telescopic pipeline, the second clamping ring and the second support are fixedly connected, a first clamping ring is fixedly connected to the top end part of the telescopic pipeline, and the first clamping ring is fixedly connected with the fixing support. According to the invention, the problem that the microbial preparation particles are powdery and are extremely easy to disorderly disperse and attach to the interiors of a degradation box and the grinding box, is solved.

The invention relates to the technical field of cutting tool production equipment, and relates to an automatic lathe for processing cutting tool accessories. The lathe has a main engine for providing power and a forming device, the main engine has a fixture and a motor for driving the main body to rotate, and the fixture is rotated by the main engine. Control, the forming device comprises a first tool for turning the outer wall of the cap, a second tool for tapping the inner wall of the cap, a third tool for embossing the outer wall of the cap, and turning the cap to form a connecting portion The fourth tool, the fifth tool that chamfers the outer wall of the front end of the cap, and the sixth tool that cuts off the cap after processing so that it falls from the fixture, the linkage structure is controlled by the motor while carrying the first tool, the second tool The second tool, the third tool, the fourth tool, the fifth tool and the sixth tool process the cap synchronously in sequence, so that the cap is dropped from the fixture to form a finished product. The present invention has a simple and reasonable structure and high production efficiency.

The invention discloses an intelligent maintenance automatic lifting and shifting device, which includes a track, a moving device is installed inside the track, a first motor is fixedly installed inside the moving device, and the output end of the first motor is fixed A first bevel gear is installed, the first bevel gear meshes with a second bevel gear, the center of the second bevel gear runs through a first transmission rod, and a wheel is fixedly installed on one end of the first transmission rod, so The second bevel gear meshes with a third bevel gear, the center of the third bevel gear runs through a second transmission rod, the inside of the moving device is fixedly installed with a control assembly, and the inside of the moving device is fixedly installed with a brake The first gear is installed inside the brake box. The present invention has a compact internal structure and a high degree of integration. At the same time, the overall structure is simple and convenient for assembly and maintenance, and it is effective for general large-scale machinery to achieve high-precision displacement. control.

The invention discloses a depth-controllable rock sample drilling device and a utilization method. The problem about accurately drilling rock samples of different shapes is solved. The drilling devicecomprises a vertical rack, a drilling mechanism, an I-shaped slide mechanism, a caliper mechanism and a displacement mechanism, wherein pushing rods are arranged on a base of the vertical rack; the samples are fixed through the pushing rods; the pushing rods are provided with scales, so that the samples are accurately moved; clamping plates are arranged in front of the pushing rods; the clampingplates are changed to adapt to the samples of different shapes; and a through hole is formed in the center of the base of the vertical rack. According to the depth-controllable rock sample drilling device, holes of the processed samples are protected; stress springs are arranged in the slide mechanism, drilling force is controlled, and the drill sticking problem is avoided; and the outer surfacesof slides and the caliper mechanism are provided with scales, so that the drilling position and drilling depth are accurately controlled. The invention further discloses an operation method for drilling the rock samples of different shapes at different depths.

The invention provides an all-in-one machine applicable to a mudstone wetting-drying cycle test and a triaxial test. The all-in-one machine comprises a base; two uprights and a counter force thick wall are fixed on the base; a ring-shaped oil pressure bag is placed inside the counter force thick wall and oil pressure sensors are mounted in the thick wall; the oil pressure bag surrounds a cylindrical mudstone test sample; a bottom pressure shaft is fixed on the base; the upper end of the bottom pressure shaft is connected with a bottom axial pressure plate; the mudstone test sample is supportedto the bottom axial pressure plate; the upper end of the mudstone test sample is covered by a top axial pressure plate; the upper part of the top axial pressure plate is connected with the lower endof a top pressure shaft; the upper end of the top pressure shaft is connected with a lifting table; the lifting table is erected on a lifting machine; a pressure sensor is mounted on the top pressureshaft; a displacement sensor is mounted at the bottom end of a carrier table; electric heating pipes are arranged in a drying oven; the all-in-one machine further comprises a pressure water pipe, a computer and a CT scanner; and the pressure water pipe is connected into a gap between the inner wall of the oil pressure bag and the mudstone test sample. According to the invention, wetting-drying cycle slaking and the triaxial test can be carried out under the true stress condition, which is helpful for disclosing a mechanical response of the mudstone.