18results about How to "No power required" patented technology

The utility model discloses a bridge foundation pile static load detection device belongs to the technical field of foundation pile static load detection, and its technical scheme main points include the platform of heaped loading, loading oil cylinder and counterforce structure, and the platform of heaped loading is composed of the counterweight block of splicing, and the counterweight block is connected through the mortise -and -tenon structure, is provided with the recess in the top of platform of heaped loading, is equipped with the support block in the recess, and the counterforce structure includes counterforce beam and support column, and the support column is fixedly installed on the platform of heaped loading through bolt, is installed in the side wall of counterforce beam and has displacement detection mechanism, and displacement detection mechanism includes the rack, three -stage transmission gear group and dial, and one end of rack is installed in the top of foundation pile, and the other end is intermeshed with the input end of three -stage transmission gear group, and the output of three -stage transmission gear group is connected through the pivot transmission with dial, and rack sliding installation is on counterforce beam, the utility model discloses have through the displacement of mechanical structure to realize the detection to the displacement of foundation pile.

This invention discloses a non-powered interception and overflow device and its application. The non-powered interception and overflow device includes a ditch body, an overflow weir, a water-retaining dike, a buoyancy-based water-retaining plate system, and a hook system. The non-powered interception and overflow device of this invention can be applied to the interception of non-point source pollution from agricultural tailwater and initial rainwater, urban rainwater runoff, and energy dissipation in rivers and ditches. This invention requires minimal management and maintenance and features non-powered operation, automatic interception, low maintenance costs, and wide application range. It can intercept agricultural tailwater and urban initial rainwater and has broad application prospects.

A passive measuring instrument for measuring air parameters in a tire and angular velocity of a wheel, comprising a structural element generating a magnetic field on a wheel or a t-type tire; a pressure and temperature sensor generating a magnetic field when the wheel rotates in an external magnetic field, the magnetic field generated by the sensor depending on the air pressure and temperature, respectively; a signal generator mounted near the wheel and generating an external magnetic field, and also generating a voltage in response to the magnetic field action of the structural element, the voltage being used to power the passive components of the measuring instrument and to determine the angular velocity, the signal generator also generating an electrical signal in response to the magnetic field action of the sensor, the electrical signal being used to determine an air parameter; a passive wireless data transmission assembly is electrically coupled to the signal generator that identifies air parameters and angular velocity data and transmits the data to a wireless data display assembly via an audio channel, or to a passive wired data display assembly that forms a circuit with the signal generator.

An intrinsically safe self-powered wireless button switch disclosed by the present invention comprises a switch shell, a button and a visual window are arranged on the surface of the switch shell, a wireless signal transceiver, a power generation module and a power generation trigger module are arranged in the switch shell, and the button is connected with the power generation trigger module. When the button is pressed down, the power generation module is started to emit a period of direct-current voltage, and the period of direct-current voltage is provided for the wireless signal transceiver to perform primary switching signal exchange with remote equipment; the wireless signal transceiver outputs three kinds of signals to control a three-color LED lamp according to three states of successful receiving of a receiving signal sent by the far-end equipment, weak receiving of the signal and no receiving of the signal of the far-end equipment, and the three-color LED lamp outputs light of three different colors through a visual window; wherein the power generation module is an intrinsic safety type power generation module which is sealed in a sealed shell and is formed by pouring an insulating material.

The utility model relates to the technical field of mine road building mechanical equipment, in particular to an underground electrically-driven milling machine which comprises a frame system, a milling system and a hydraulic system, the milling system and the hydraulic system are arranged on the frame system, a power system is further arranged on the frame system, and an underground electric power system is further arranged on the electrically-driven milling machine. The power system comprises an explosion-proof motor for driving the milling system, an explosion-proof motor for driving the hydraulic system and a forced circulation water cooling system for cooling the motors and the hydraulic system. According to the utility model, the indexes that the height size of the whole machine is reduced and the power of the whole machine is stronger are realized.

The present invention discloses a rear transverse sealing ironing block mechanism and a transverse sealing device that integrates an easy-tear cutter and a hot block. The mechanism includes a rear hot block, a spring assembly, an easy-tear cutter, a rear hot block seat, and a rear transverse sealing frame plate; a cutter head slot through hole is provided through the rear hot block; the easy-tear cutter is detachably fixed to the upper surface of the rear hot block seat along the processing feed direction, and the cutter tooth head of the easy-tear cutter is aligned with the cutter head slot through hole; the spring assembly is sleeved on the rear hot block seat along the processing feed direction, and the front screw head of the spring assembly is connected to the spring threaded hole, so that the rear hot block moves forward and backward relative to the hot block seat as the spring assembly is compressed during processing and pressing. The rear transverse sealing mechanism of the present application adopts an easy-tear cutter and a hot block integrated arrangement, and the easy-tear cutter does not need power and can be driven by the power of processing and transverse sealing pressing. The mechanism ensures that the easy-tear cut position is always consistent with the sealing position and the processing accuracy, reduces the process and parts, and reduces the cost.

The application provides a method for recovering tungsten from molybdenum tailings, comprising the following steps: centrifugal gravity separation of the molybdenum tailings to obtain centrifugal concentrate and centrifugal tailings; feeding the centrifugal concentrate into a spiral chute for secondary separation to obtain spiral chute concentrate and spiral chute tailings; conventional flotation of the spiral chute concentrate to obtain primary roughing concentrate, primary scavenging concentrate and scavenging tailings; mixing the primary roughing concentrate and the primary scavenging concentrate and feeding the mixture into a cyclone classifier, the overflow of the cyclone classifier being subjected to gravity separation operation on a table, and the underflow of the cyclone classifier being subjected to grinding in a ball mill, the ball mill and the cyclone classifier forming a closed circuit grinding system to obtain table concentrate and table tailings; three times of cleaning and one time of cleaning scavenging of the table tailings to obtain flotation concentrate and cleaning scavenging tailings; mixing the table concentrate and the flotation concentrate to obtain tungsten concentrate; and mixing the centrifugal tailings, the spiral chute tailings, the scavenging tailings and the cleaning scavenging tailings to obtain total tailings. The application improves the recovery rate of the tungsten concentrate.

The invention belongs to the technical field of solid rocket engine inner heat insulation layers, and particularly relates to a solid rocket engine inner heat insulation layer preforming production line and a solid rocket engine inner heat insulation layer preforming production method.The solid rocket engine inner heat insulation layer preforming production line comprises a forming unit and a transfer system; a feeding and discharging device used for feeding and discharging of the multi-layer hot press is arranged on one side of the multi-layer hot press, the forming unit further comprises an upper mold lifting device used for lifting and falling an upper mold so that the upper mold and a lower mold can be buckled or demolded, and the transfer system comprises an electric flat car used for transferring the upper mold and the lower mold. A three-layer or more plate frame lower jacking type hydraulic machine form is adopted as a forming unit, multiple interlayer molds can be independently moved in / out, lifted outside the machine and rapidly replaced, the mold filling difficulty is reduced, the mold filling efficiency is greatly improved, mixed line production of inner heat insulation layer parts of two or more specifications can be met, the whole line has full-automatic operation, the production efficiency is improved, and the production cost is reduced. Manual intervention is not needed, and production efficiency is high.

The utility model discloses a bicycle with a steering display reminding device, which belongs to the field of vehicles and comprises a frame, wheels are arranged on the front side and the rear side of the frame, a baffle connected with the frame is arranged at the top of each wheel, a steering display component is arranged on each baffle, and a handlebar is arranged at the top of the front side of the frame. The steering display assembly is provided with a rotatable indicating seat, an indicating arrow is fixedly embedded in the rear end of the indicating seat, and a driving assembly is arranged on the frame; the driving assembly comprises rotating handles rotationally arranged on the two sides of the handlebar in a sleeving mode, the rotating handles are fixedly connected with traction ropes connected with the indicating base, and the traction ropes are slidably sleeved with a bottom plate connected with the baffle. According to the bicycle, the steering display component and the driving component are arranged to form a steering display reminding device, and a mechanical structure is matched for driving, so that the bicycle has the characteristics of reliability in use, no need of a power supply, capability of real-time feedback due to simple structure, low manufacturing and maintenance cost, easiness in maintenance, durability and the like.

This invention relates to the field of medical and nursing device technology, and discloses a suction and drying device, system, and method for a urination and defecation care system. The system includes a connecting line and internally houses a sewage pipe and a warm air pipe. The main unit is connected to the urinal via the connecting line to form a circulation loop. It includes a sewage tank, a filter module, a brushless fan, a three-way valve, and an auxiliary heating module, sequentially connected between the sewage pipe and the warm air pipe. The three-way valve is also connected to the fan via a pipe, working in conjunction with the auxiliary heating module to preheat the warm air pipe before drying. The brushless fan creates a slight negative pressure zone within the urinal, drawing air into the main unit for deodorization, overcoming the problem of odor escaping from the urinal in traditional urination and defecation care systems. Simultaneously, a portion of the exhaust air from the brushless fan participates in the return air circulation, preheating the warm air pipe and solving the problem of cold air escaping during the initial drying stage in traditional urination and defecation care systems.

The utility model provides a bag type filter. The bag type filter comprises a barrel body, a water outlet and a water inlet, the barrel body is of a cylindrical shell structure with a semicircular lower end; the water inlet is welded and fixed to the outer wall of the lower portion of the barrel, and the water inlet and the barrel are arranged in the tangential direction. The drain outlet is formed in the middle of the bottom of the barrel; a barrel cover is fixed to the upper portion of the barrel body through bolts, and a fixing frame is welded and fixed to the inner wall of the barrel cover; a supporting frame is welded and fixed to the inner wall of the lower end of the barrel, and a supporting sleeve is welded and fixed to the middle position of the supporting frame; the rotating shaft is inserted and mounted in the supporting sleeve; the brush body is fixed above the rotating shaft, and the bristles are fixed on one side, close to the filter bag, of the brush body; by improving the bag type filter, the bag type filter has the advantages that the structure is simple, the filter bag can be brushed, the filtering efficiency of the filter bag is ensured, and the maintenance and cleaning time of the filter bag is prolonged, so that the problems and defects in the existing device are effectively solved.

This utility model discloses a non-powered multi-stage hydrocyclone classifier and mineral processing system. The classifier includes a first hydrocyclone, a second hydrocyclone, and a third hydrocyclone; the diameter of the first hydrocyclone is smaller than that of the second hydrocyclone but larger than that of the third hydrocyclone. The overflow port of the first hydrocyclone is higher than and connected to the feed port of the second hydrocyclone; the sand discharge port of the second hydrocyclone is higher than and connected to the feed port of the third hydrocyclone; the overflow ports of the second and third hydrocyclones are connected to the feed port of the stirring device. The non-powered multi-stage hydrocyclone classifier proposed in this utility model achieves precise control of the classification of grinding products by connecting multiple hydrocyclones in series, thereby greatly reducing the probability of coarse particles being washed away and effectively improving the qualified rate of feed fineness and the final flotation recovery rate.

The present invention belongs to the technical field of cutting devices, and specifically relates to a thin film spline cutting device. The device comprises: a machine base and a knife holder assembly, wherein a roller station and a knife holder station for installing a spline roller are provided in the machine base, and a draw-out opening is provided on the machine base on the side of the knife holder station away from the roller station; the knife holder assembly can be drawn and pulled on the knife holder station through the draw-out opening, and when the knife holder assembly is located at the knife holder station, it is suitable for cutting the film on the roller surface of the spline roller. The thin film spline cutting device has a simple structure, reliable operation, and manual control of the whole process, without the need for power, manual operation, and no additional tools, thereby improving replacement efficiency. The knife holder assembly is drawn and pulled on the knife holder station through the draw-out opening, and when the knife holder assembly is located at the knife holder station, the knife holder assembly cuts the film on the spline roller. When the knife holder assembly is pulled out, the blade can be replaced without disassembling the spline roller and other components of the device, which is convenient, fast, time-saving and labor-saving.

The present invention relates to the technical field of steam heating systems, and specifically to a steam energy-saving centralized drain system, comprising a boiler, a steam cylinder, heat-using equipment, a centralized drain device, a soft water tank, a soft water pump, and a deaerator connected in sequence; the bottom of the deaerator is connected to the boiler through a pipeline provided with a water supply pump, forming a completely closed recovery of condensate; the heat-using equipment is arranged in multiple groups and arranged in parallel, one end of the heat-using equipment is a steam inlet, and the other end is a condensate outlet, the steam inlet is connected to the steam cylinder, and the condensate outlet is connected to the centralized drain device. The present invention arranges multiple groups of heat-using equipment in parallel, so that the condensate is collected in the centralized drain device, and there is no need to set up many drain valves, thereby realizing the centralized drain function. At the same time, the steam in the system cannot pass through the condensate, thereby avoiding the problem of leakage.

The invention relates to the technical field of vehicle carrying, and discloses a loading device for cargo vehicle-mounted transportation. The loading device comprises a base arranged in a trunk, a cargo carrying bracket placed in the base, two sets of sliding rail assemblies used for driving the cargo carrying bracket to move horizontally, a lifting adjusting structure arranged on the two sets of sliding rail assemblies, and a traction piece used for connecting the cargo carrying bracket and the lifting adjusting structure. The sliding rail assemblies are transversely arranged, the two sliding rail assemblies are symmetrically distributed along the central axis of the base, each sliding rail assembly is composed of a fixed rail, an upper sliding way and a middle sliding block, and the middle sliding block is arranged between the fixed rail and the upper sliding way in a sliding mode. The device is simple in structure, manual in operation, safe, reliable and free of power supply, the occupied space is mainly the position of a carriage frame, the influence on cargos carried by a vehicle is small, wheelchairs, trolleys and more kinds of cargos can be conveniently loaded, and safe loading of manned wheelchairs is greatly facilitated.

The present invention provides a configurable cooling assembly and cooling method. An assembly of thermally conductive cooling blocks is configured to be placed against a composite skin between a heating blanket used to heat cure a composite repair patch and a structure formed by heat-sensitive materials. The cooling block assembly conducts heat away from the skin to prevent overheating of the heat-sensitive materials.

The utility model provides a portable unpowered oxygen generating device which comprises an oxygen inhalation mask, a sealing cover, an air guide pipe, an isolating layer and an oxygen generating cavity, the sealing cover is detachably or fixedly connected with the oxygen generating cavity in a non-detachable mode and used for sealing the oxygen generating cavity, and the isolating layer is arranged on the sealing cover. The oxygen generation cavity is used for accommodating an oxygen release material which generates oxygen when encountering water; the isolation layer is arranged at the top of the oxygen generation cavity and is used for isolating air and preventing the oxygen release material from being affected with damp; the air guide pipe sequentially penetrates through the isolation layer and the sealing cover from the inside of the oxygen generation cavity to be connected to the oxygen inhalation mask. The portable oxygen generation device has the characteristics of light weight, small volume, convenience in carrying, simple structure and no need of adding reagents, and can be immediately used only by adding purified water or opening the water storage bag. And the oxygen supply time is long, and oxygen can be produced anytime and anywhere and provided for people needing to inhale oxygen.

The utility model provides a tailing sand gravity coordination pre -homogenization system relates to mine filling technical field. The pre -homogenization system includes storage bin group and mixes hopper. The storage bin group contains at least three parallel warehouses, and each warehouse is equipped with independent feed inlet, bottom double curvature conical discharge port and gate; The curvature radius of the steep section of the discharge port lower part is less than 50% of the curvature radius of the upper gentle slope section, and the included angle between the generatrix of the lower steep section and the horizontal plane is greater than or equal to 75 degrees. The mixing hopper is located below the storage bin group, and the center axes of all discharge ports are located on the distribution circle with the center of the mixing hopper as the center; The inner wall of the mixing hopper is provided with guide plates, each guide plate is inclined downward along the center line and is symmetrical to both sides, and the center line is the highest point, and the inclination angle is 30-35 degrees. When the device works, multiple warehouses discharge synchronously, the material accelerates down through the discharge port, is guided by the guide plate, and is mixed under the action of gravity. The system eliminates time period fluctuation through multiple warehouse storage, realizes external power homogenization by using gravity cooperation and guide plate structure, and effectively prevents arch blockage by double curvature discharge port design. The structure is simple and reliable.