16 results about "Miniature hydraulics" patented technology

The application provides a micro hydraulic station and a working method thereof, and relates to the technical field of hydraulic pressure, which comprises upper and lower integrated blocks connected with each other, a cavity connected with an oil tank is formed in the upper and lower integrated blocks after assembly, a hydraulic plunger pump is installed on the upper surface of the upper integrated block, the pump body is embedded into the upper integrated block, the pump body has a pump oil discharge port, a pump oil outlet port and a pump oil suction port from top to bottom, the pump oil suction port is communicated with the cavity in the integrated block, the pump oil outlet port of the hydraulic plunger pump is connected with a high-pressure connector through a pump oil outlet channel and a high-pressure channel, the pump oil discharge port is communicated with the cavity in the integrated block through a discharge channel, the high-pressure channel is communicated with the discharge channel through a relief valve and communicated with an unloading channel through an electromagnetic valve, and the unloading channel is communicated with the cavity in the integrated block, the hydraulic station is changed into the upper and lower integrated blocks, circulation and flow of high and low pressure hydraulic oil between several parts are realized through four channels, and power safety and efficient supply are ensured while miniaturization is realized.

The utility model discloses a limiting plate for improving the accuracy of an anchor cable dynamometer, which comprises a body, a movable block, an anchor cable drill hole, a clamping piece and an angle adjusting assembly, and the middle of the body is provided with a through hole with internal threads; the movable block is in threaded connection with the through hole; the anchor cable drill hole penetrates through the movable block in the axial direction of the movable block. The clamping pieces are four shape memory alloy clamping pieces, and the clamping pieces are matched with an anchor cable drill hole; the six angle adjusting assemblies are evenly arranged on the outer circumference of the through hole in the body. By arranging the movable block, the depth of the limiting groove between the movable block and the through hole of the body is adjustable, so that the clamping piece is prevented from being jacked into the tool anchor, and the value measurement accuracy of the dynamometer is improved; by arranging the six micro hydraulic cylinders and the pressure sensors, the extension height of the hydraulic cylinders can be adjusted according to pressure distribution, so that the axis of the anchor cable is ensured to coincide with the center of the dynamometer, the mounting precision of the limiting plate is improved, and the problem of unbalanced moment caused by eccentricity of the anchor cable is also solved.

This invention relates to the field of steel structure welding, and more particularly to a fully automatic welding device for prefabricated steel structure beams. The device includes a U-shaped channel steel, with two sets of miniature hydraulic jacks fixedly connected to the inner walls of both sides of the U-shaped channel steel. A support frame is fixedly connected to one end of each miniature hydraulic jack, and a metal roller is rotatably connected inside the support frame. A miniature motor is fixedly connected to the top of each metal roller, and two sets of hydraulic jacks are fixedly connected to the bottom of both sides of the U-shaped channel steel. This fully automatic welding device for prefabricated steel structure beams, through the arrangement of the U-shaped channel steel, miniature hydraulic jacks, metal rollers, miniature motor, hydraulic jacks, fixed steel plate, turntable, drive motor, telescopic arm, and welding torch, achieves integrated automatic clamping, movement, and welding operation on the steel beam. The turntable can drive the welding torch to rotate circumferentially, adapting to different weld positions and improving the degree of automation and applicability of the welding process.

The utility model provides a kind of servo direct drive miniature hydraulic power station for machine tool, comprising: hydraulic assembly and base assembly, the lower side surface of hydraulic assembly is equipped with the base assembly for buffering vibration, and hydraulic assembly includes the mounting piece for installing hydraulic component, the upper side surface of mounting piece is equipped with servo motor and hydraulic component, the side of mounting piece is equipped with cooling piece for cooling and hydraulic pipe for driving hydraulic oil, and base assembly includes base body, the upper side surface of base body is equipped with buffer for buffering, compared with prior art, the utility model has the beneficial effects as follows: by setting base assembly, when using, by installing base assembly for buffering vibration on the lower side surface of hydraulic assembly, the transmission of mechanical vibration generated when servo motor and hydraulic pump operate to machine tool body can be effectively reduced, the negative influence of vibration on machining accuracy is reduced, and workpiece surface machining quality is improved.

The utility model relates to the technical field of boiler furnace soot blowing, and discloses a pulverized coal boiler furnace soot blowing device which comprises a soot blowing gun body, a control console and a protective shell, an exhaust pipe is fixedly arranged at the upper end of a vacuum pump, a through groove is formed in the protective shell, a micro hydraulic rod is fixedly installed in a fixing box, and the micro hydraulic rod is fixedly connected with the control console. According to the sealing device, the two sets of miniature hydraulic rods push the two sets of sealing check blocks to be close to the middle of the through groove correspondingly, so that the through groove is sealed, and the sealing check blocks are fixed to the two sets of miniature hydraulic rods to be connected with the top end of the protection shell in a penetrating mode; vibration energy is transmitted to the nozzle through the fixing lantern ring, dust and impurities adhering to the inner wall of the nozzle are shaken off, meanwhile, gas at the nozzle is extracted through the vacuum pump, and therefore the falling dust and impurities are guided to enter the conveying pipe and effectively collected through the collecting bag.

According to the variable-configuration tethered balloon unmanned aerial vehicle applied to the field of aircrafts, an upper support ring and a lower support ring are matched with a hinged ball and a telescopic rod, mechanical decoupling of a balloon body and a hanging basket when the balloon body rotates under the action of wind power is achieved, and it is ensured that the hanging basket is kept stable under wind power disturbance; therefore, the safety of an operator in the hanging basket during picking work is ensured; meanwhile, a correction box is arranged, linkage of a micro hydraulic rod, a rope, a round rod, a short rope and a lifting piece is utilized, the micro hydraulic rod on the lifting side drives the lifting piece to press the rope on the lifting side, meanwhile, the short rope is rapidly tightened when being lifted along with the rope, then the rope is limited, and upwarp of the lifting side of the upper support ring is reduced; the balloon body is pulled to reset under the pull-down action of the rope on the lifting side, the micro hydraulic rod on the sinking side is synchronously retracted and matched, the sinking side of the upper support ring is slightly lifted, two-way mechanical correction is formed, and the safety of operators in the hanging basket is further improved.

The invention discloses a miniature electro-hydrostatic actuator for driving finger exoskeleton equipment. The miniature electro-hydrostatic actuator is characterized by comprising a motor driving module, a direct-drive two-dimensional plunger pump module, a miniature hydraulic cylinder module and a finger exoskeleton equipment module, a power output shaft of the motor driving module is connected with the power input end of the direct-drive type two-dimensional plunger pump module and used for providing driving force. The direct-drive type two-dimensional plunger pump module comprises a pump cylinder body and a plunger assembly, a plunger cavity is formed in the pump body, and the plunger assembly can be driven by the motor driving module to reciprocate in the plunger cavity; according to the miniature electro-hydrostatic actuator system, a direct-drive pump control hydraulic system structure is adopted in the structural design, the system flow is directly controlled by the direct-current brushless motor, and due to the high-rotating-speed characteristic of the direct-current brushless motor, the response speed of the miniature electro-hydrostatic actuator system is higher.

The application discloses a visual fishing device and method based on a crawling robot, which comprises a miniature hydraulic oil pump station, a cooperative control system, a bimodal visualization system, a holding unit, a guiding unit, a dynamic anchoring mechanism, an instrument shell, a cable, a crawling unit and a handheld terminal. The bimodal visualization system is provided with a driving telescopic component and a high-definition miniature camera. The miniature hydraulic oil pump station is provided with a hydraulic pump and a driving motor. The transmission shaft and the roller of the guiding unit are matched with each other to move the fallen fish to the holding unit, the holding unit slips to hold the fallen fish, the out-of-hole control terminal sends an out-of-hole command to control the crawling unit to move out of the hole, and finally the fallen fish is dragged to the hole. The application can realize real-time viewing of the position of the fallen fish and adjustment of the posture, and can improve the fishing success rate of the handheld drilling geophysical prospecting equipment.

The utility model discloses a self-lubricating mowing machine cutterhead assembly structure, which relates to the field of mowing machines and comprises a cutterhead shell, a motor shell is fixedly mounted at the top of the cutterhead shell, a servo motor body is arranged in the motor shell, a rotating rod is fixedly mounted on an output shaft of the servo motor body through a coupler, and the output shaft of the servo motor body is connected with the rotating rod. The bottom of the rotating rod is fixedly connected with a storage box; a supporting pad is fixedly mounted at the bottom of the storage box, and a mounting disc is fixedly connected to the bottom of the supporting pad. According to the self-lubricating mowing machine cutter head assembly structure, the servo motor body is arranged, mowing work is conveniently achieved, the micro hydraulic cylinder body, the sealing gasket, the oil outlet groove and the groove are arranged, the self-lubricating effect of the mowing machine cutter head assembly structure is conveniently achieved, and the service life of the cutter head assembly structure is prolonged; and a sealing plug, a baffle and a spring are arranged, so that the lubricating liquid is conveniently added, and the sealing performance of the storage box is also ensured.

The application discloses a kind of submarine landslide impact pipeline or pile lifting rotary simulation device and its working method, belong to marine engineering test technical field.Device includes water tank, liftable gate, slope, miniature hydraulic cylinder, pipeline lifting rotary module and data acquisition module.Water tank is divided into landslide release area and impact test area by gate;Pipeline lifting rotary module includes annular rotary base, support column, rotator and rack lifter, can realize simulation pipeline horizontal plane rotation, vertical plane inclination adjustment and height adjustment, simulate different span height and impact angle;Through disassembling fixed base and lug base bolt, pipeline can be quickly converted into pile structure.Data acquisition module includes pressure sensor, strain sensor, PIV camera and laser, for synchronous acquisition impact load, structure response and flow field information.The application can flexibly adjust pipeline space posture, realize pipeline and pile test object conversion, effectively improve test efficiency and multi-parameter research ability.

This application discloses a drain valve, relating to the field of drain valves, including a valve body. An inlet pipe is fixedly connected to one side of the valve body, and a drain pipe is fixedly connected to the bottom of the valve body. A first connecting ring is fixedly connected to the middle of the other side of the valve body. A miniature hydraulic telescopic rod is fixed inside the first connecting ring. A connecting rod is fixed to the power output end of the miniature hydraulic telescopic rod, and a baffle is fixed to one end of the connecting rod. This device connects two connecting holes to an external hydraulic device. The remote hydraulic device controls the movement of the connecting rod, thereby controlling the position of the baffle. When the connecting rod is extended to its maximum length, the baffle can abut against one end of the inlet pipe, sealing against leakage during use. Simultaneously, the baffle can completely cover one end of the inlet pipe, preventing further water flow from the drain pipe. When the baffle retracts, water from the inlet pipe can be discharged from the drain pipe, thus achieving remote control at a low cost.

This disclosure relates to the field of prefabricated cabin connection technology. Embodiments of this disclosure provide a non-metallic high-strength fiber fireproof board prefabricated cabin connection structure, including a prefabricated cabin. A cabin door is rotatably connected to the front side of the prefabricated cabin, and a base plate is fixedly connected to the bottom of the prefabricated cabin. In this utility model, through the cooperation of components such as the frame of the fireproof board installation mechanism, the miniature hydraulic cylinder, and the arc-shaped fixing plate, when it is necessary to install the fireproof board on the outer surface of the prefabricated cabin, the worker first positions the fireproof board through the positioning holes, and then pushes the fireproof board forcefully. During the extension of the hydraulic rod, the arc-shaped rotating rod is pushed, causing the arc-shaped fixing plate to rotate through the support column. The rotation of the support column allows the arc-shaped fixing plate to install the positioned fireproof board. This technical solution solves the technical problem of unstable installation of fireproof boards in related technologies.

This utility model relates to the field of lubricating oil processing, and more particularly to a lubricating oil processing and conveying system, including a main pipeline, branch pipelines, an energy metering chip, a controller, and a power management module. A flow quality sensor is installed on the main pipeline to monitor the lubricating oil flowing through it. Branch pipelines branch off from the main pipeline and are equipped with a proportional solenoid valve and a miniature hydraulic generator turbine. The proportional solenoid valve adjusts its opening degree according to a control signal. The miniature hydraulic generator turbine, located inside the branch pipeline, rotates and generates electricity as the lubricating oil flows through it. The controller is connected to the flow quality sensor, the proportional solenoid valve, and the miniature hydraulic generator turbine, respectively, receiving signals from the flow quality sensor and controlling the opening degree of the solenoid valve. The energy metering chip monitors the power generation of the miniature hydraulic generator turbine. This utility model enables simple and accurate flow monitoring and control, has the ability to detect pipeline blockages, and reduces the need for external power supply.

The utility model discloses a fool-proof male socket connector with a sealing joint, and relates to the technical field of connectors. The connector comprises a connector body, a connecting line is arranged on the side face of the connector body, and a protection mechanism is arranged on the circumferential face of the connector body. When the connector needs to be used, an operator pulls out the sealing cover to open the protective sleeve and then inserts the connector into the female seat, the female seat extrudes a stress rod of the micro hydraulic cylinder to enable a hydraulic rod of the micro hydraulic cylinder to extend outwards under the pressure of liquid in the micro hydraulic cylinder, and the hydraulic rod extends outwards to drive the pushing plate to move. The connector is pushed in the moving process of the pushing plate, so that the connector leaves the interior of the protective sleeve and then is tightly connected with the female seat through the sealing ring, the effect of protecting the connector is achieved through the design, and water, dust and other pollutants are effectively prevented from entering the connector to affect the service life of the connector.

The application discloses a micro hydraulic electromagnetic reversing valve and belongs to the technical field of electromagnetic reversing valves. The valve comprises a valve body, a valve core, an electromagnet assembly and a self-adaptive chatter control system. The electromagnet assembly drives the valve core to move, the self-adaptive chatter control system obtains corresponding coefficients through a mechanical structure, electromagnetic characteristics, fluid characteristics and an environmental state analysis module, then combines the deviation of the chatter period and amplitude, obtains a period-amplitude cooperativity coefficient through a period-amplitude cooperativity model, and finally dynamically calculates a target peak current by using a current optimization model. Through multi-parameter fusion and self-adaptive control, the application can actively maintain the micro relative movement between the valve core and the valve body, effectively prevent the mirror fitting phenomenon caused by the pressure difference, improve the working reliability, working condition adaptability and service life of the valve, and meanwhile, the compact structure and easy installation are maintained.

The invention discloses a portable drawing experiment device, which is used for testing the anchoring performance of a mechanical anchor bolt in concrete, and comprises an integrated control box with rollers at the bottom and an annular support frame with a handle, and a micro hydraulic pump station and an electric control module are integrated in the integrated control box. When the integrated control box is used, the hydraulic oil cylinder in the integrated control box is taken out and connected with the annular supporting frame through bolts to form a drawing execution frame, an oil conveying pipe is connected with the hydraulic oil cylinder, and a rapid connector of a displacement sensor cable is rapidly connected with the controller wiring panel in a butt joint mode. The connection of a circuit and a hydraulic oil circuit is completed, the device is assembled, then the mechanical anchor bolt is clamped by a drawing clamp at the end part of the piston rod, and the device is started through a human-computer interaction interface to carry out a drawing experiment. Therefore, the core components of the device are highly integrated, and the device is easy to carry, transfer, assemble and store, and can meet the use requirements of field high-frequency tests.