112results about How to "Shorten the recovery cycle" patented technology

The invention provides a kerve-free sublevel filling mining method. The kerve-free sublevel filling mining method specifically comprises the following steps: dividing sublevel chambers and splitting ore blocks, carrying out mining preparation and cutting engineering arrangement, carrying out kerve explosion, firstly carrying out extraction and filling operation of splitting ore blocks, carrying out extrusion groove explosion to form a cutting groove during extraction of adjacent ore blocks, utilizing a compensation space formed by extrusion explosion to carry out normal explosion extraction operation, after the extraction of a second splitting ore block, entering the next adjacent splitting ore block, forming the cutting groove through extrusion groove explosion, carrying out extraction, and cycling the extraction process of the adjacent ore blocks. Kerve-free explosion is adopted from the second splitting ore to form a stope cutting groove; compared with a normal cutting kerve method, the engineering of cutting a level and cutting a dooryard is eliminated, the operating time is reduced, the stope extraction period is reduced, the mining operation cost is reduced, the stope labor efficiency is improved, the method is suitable for mining ore deposits with poor stability of surrounding rock, and stope top base plate and hanging side surrounding rock collapse can be effectively controlled.

The invention discloses a method for reinforcing the heat transfer efficiency and creep-resistance for pidgeon process reduction tanks, a method for realizing pidgeon process reduction tank automatic charging and discharging, a method for continuous monitoring the pidgeon metal reduction procedure, a method for reclaiming reaction by-product base metals, a vertical reduction tank employing the methods and a pidgeon process reduction furnace constructed by employing the vertical reduction tank.

The invention discloses an ankle joint training adapter, ankle joint training equipment and a training control method thereof. The ankle joint training adapter comprises a foot adapter and a motion control host. The foot adapter comprises an adjuster, an ankle joint position adjusting mechanism, a pedal and a foot fixing piece arranged on the pedal. One end of the ankle joint position adjusting mechanism is connected with the adjuster, and the other end of the ankle joint position adjusting mechanism is connected with the pedal. The motion control host comprises a driving device and a control module. The driving device comprises a motor and a speed reducer connected with the motor. The adjuster is connected with the speed reducer and can rotate relative to an output shaft of the speed reducer. The control module is connected with the motor. The control module comprises an angular position change detection module, a motor current change detection module and a mode selection module. The invention can effectively assist a patient in joint exercise, improve muscle strength, improve joint movement degree, as well as draw and relax stiff joints.

The invention discloses a self-adjustment leg muscle massage wheelchair which comprises a seat. A front leg supporting seat and a rear leg supporting seat are in hollow structures and hinged to the right lower corner of the seat, a massage cushion is connected to the right side of each leg supporting seat, an elastic plate is arranged in each leg supporting seat, the right end face of each elasticplate is connected with the corresponding massage cushion through springs, a plurality of massage hammers are uniformly arranged on the right end face of each elastic plate, right ends of the massagehammers are abutted against the massage cushions, and magnets are arranged on the elastic plates respectively. Second slide rails are arranged on inner left side walls of the leg supporting seats, right sides of the second slide rails are in slide connection with iron blocks respectively, a second speed reducing motor is arranged at the top of each leg supporting seat, a motor shaft at the bottomend of each second speed reducing motor penetrates the top of the corresponding leg supporting seat to connect with a screw rod, and each screw rod penetrates the corresponding iron block and is in threaded connection with the same. By magnetic force of the magnets and elastic force of the springs, the massage hammers vibrate side to side, and the vibration force is transmitted through the massage cushions to massage leg muscles of a patient so as to promote leg blood circulation of the patient.

A leakage method of obstruction reducing furnace intrinsic heat towards the furnace outside along reduction bank; a method which can simultaneously strengthen the coefficient of overall heat transmission and creep resistance of the reduction bank; an air cooling method for metal ingot cylinder of the reduction bank; a method of carrying automatic shipping and delivery of the reduction bank using earth gravity; an on-line continuous monitoring method for matallic reducing process. A vertical reduction bank is built with the said method. A vertical reducing furnace built with the said vertical reduction bank is characterized in that it is of high calorific efficiency, short reduction cycle, long reduction bank age and automatic charge, and can perform on-line observation for reduction process.

The invention discloses an on-bed leg support device for orthopedic nursing and relates to the field of medical nursing. Aiming at the problem that the rehabilitation time is long since an orthopedicpatient lying or sitting cannot have support training on legs, the invention discloses the scheme that the device comprises support columns and a suspension rack, wherein two support columns are symmetrically distributed; a U-shaped suspension rack is mounted at the top ends of the two support columns in a sliding manner; U-shaped side walls of the suspension rack are mounted inside the support columns in a sliding manner; moveable plates are mounted inside the support columns in a sliding manner; clamping blocks are fixedly connected with sides, close to side walls of the suspension rack, ofthe moveable plates; airbags are arranged inside the support columns; and the airbags are positioned on sides, far away from the suspension rack, of the moveable plates. The device not only can be stably clamped and fixed on a hospital bed to provide a suspension and support function on a patient, but also is capable of assisting the patient to take effective rehabilitation training operation andshortening the rehabilitation time of legs of the patient, and is applicable to popularization.

The present invention relates to metal reducing apparatus, and is especially one metal Mg, Ca and Sr reducing apparatus. The metal Mg, Ca and Sr reducing apparatus includes a reducing furnace, a reducing pot inside the reducing furnace, and a support in the bottom of the reducing furnace. The reducing furnace has vertical hearth with upper port in the top and lower port in the bottom; the reducing pot has slag tap in its bottom, slag pipe fixed to its bottom, sealing cover in the lower end of slag pipe, sealing ring between the sealing cover and the slag pipe, and water jacket set to the lower section of the slag pipe. The metal Mg, Ca and Sr reducing apparatus has greatly simplified slag tapping operation and raised material reducing effect.

An internal heat exchange method of the production reaction vessel made of magnesium spongy titanium and the equipment of it. The method is as following, the heat exchanger will be inserted into the inner of the reactor, and air-blown medium will be input into the heat exchanger to cool the magnesium spongy titanium in the reactor. The above heat exchanger is tube-in -tube heat exchanger, and the air-blown medium is compressed air and compressed argon. The equipment is tube-in -tube heat exchanger, the inside tube is installed in outer tube by the ring flange, intake tube will be installed on the upside profile of the inside tube, the sihghtglass will be installed on the top of the inside tube, the return tube will be installed on the topside profile of the outer tube. The assemblage ring flange used to connect with the reactor will be installed under the joint between the outer tube and the return tube. The ring shaped charging box will be welded to the outside of the tube-in -tube heat exchanger and the upside of the assemblage ring flange, several feed openings connected with the ring charging box locate uniformly on the ring flange along the circle. The locally high temperature can be banished by this method and this equipment, and the densification of the product can be prevented. And it can also shorten the production cycle, and improve the production energy.

The invention provides an extremity rehabilitation training system. The rehabilitation training system comprises a mechanical structure module and a function module, wherein the function module at least comprises a sensing unit, a mobile terminal and a data processing cloud terminal; the data processing cloud terminal finishes first matching with expert data stored in the data processing cloud terminal on the basis of data, at least comprising pressure data and/or time data and/or journey data, collected by the sensing unit; and the data processing cloud terminal finishes second matching with the first matching result on the basis of user personal information data collected by the mobile terminal, stores the second matching result into the data processing cloud terminal, and using expert data of the second matching result at least comprising one-time training duration and/or training times each day and/or training cycle and/or movement mileage and/or size of support force provided by pedals as a rehabilitation training recommended solution to be sent to the mobile terminal.

The invention discloses a method for continuously preparing metal samarium through direct thermal reduction, and belongs to the technical field of nonferrous metallurgy. The preparation method comprises the following steps: Sm2O3, Al, CaO or MgO are mixed, wherein a reducing agent is Al, and can be replaced by an Si-Fe alloy with 75 mass% of Ca or Si; the batching and the pelletizing are performed; and then, the high-temperature reduction reaction is performed for pellets in flowing inert gas or nitrogen atmosphere; and finally, high-temperature samarium steam carried out by flowing inert carrier gases or nitrogen in a high-temperature reduction furnace is condensed to obtain the metal samarium. The method adopts the relative-vacuum manner, cancels a vacuum system and a vacuum reduction tank, realizes the continuous preparation of the metal samarium, shortens the reduction period, and improves the preparation efficiency; the recovery rate of the metal samarium can reach above 97%; as the energy consumption is obviously reduced, the method is a novel energy-saving green process for preparing the metal samarium with low cost; and the method is simple in operation, is simpler in equipment, is low in requirement, and reduces the equipment investment and the operation cost.

The invention relates to a method for preparing a membrane electrode with a carbon tube film as a carrier, comprising the following steps: S1, uniformly dispersing carbon nanotube powder in an alcoholsolvent; 2, uniformly adhere that carbon nanotube powder on the gas diffusion lay through a filtering process to form a carbon tube membrane; S3, uniformly spraying a catalyst precursor containing aplatinum salt solution on the surface of the carbon tube film, and reducing the catalyst precursor so that the platinum salt is reduced into platinum particles to obtain a uniformly dispersed carbon-supported platinum film sheet; S4, uniformly spraying a layer of ionic conductor solution on the carbon-loaded platinum film, drying, and forming an ionic conductive layer on the surface of the platinum particles; 5, place that proton exchange membrane on the ion conductive layer and press the membrane electrode by a hot pressing process. The invention overcomes the problem of low utilization rateof platinum caused by the traditional carbon black as the carrier, realizes the accurate and controllable catalyst and electrolyte layer loading, short reduction cycle, simple equipment requirements,improves production efficiency and reduces cost.

The invention discloses a reciprocating linear saw. The reciprocating linear saw comprises a transmission mechanism, a cutting line and a power device. The power device is connected with the cutting line through the transmission mechanism. The cross section of the cutting line is in a triangular shape. The transmission mechanism comprises a wheel disc, a worm, a turbine connection sleeve, a turbine and a coupler. The reciprocating linear saw is mainly used for a ligament cutting operation, for example, a mouse hand. The reciprocating linear saw is a novel medical electric tool used for the ligament cutting minimally invasive operation. The cutting line is fixed to a guide needle and penetrates from one end of a ligament to the other end during the operation, the cutting line is then brought out and fixed to two rotating pins of the linear saw, a power switch is turned on, and then operation can be started. Therefore, completeness of the hand shape of a patient can be ensured, and the treatment and rehabilitation period of the patient is shortened.

The invention discloses a shape memory alloy driven rope pulling type finger rehabilitation training device and method. The device comprises a vertically-arranged frame, a fixing platform is arranged in the frame, a first pulley, a third pulley and a guiding ring are arranged on the top inside the frame, five second pulleys are arranged at the bottom inside the frame, and a rotating shaft is rotationally installed inside the frame; the device further comprises fingerstalls arranged on the five fingers of the palm in a sleeving mode, an upper steel wire rope connected with the fingerstalls is wound around the first pulley and the third pulley and then penetrates through the guiding ring to be fixed to the rotating shaft, and a lower steel wire rope connected with the fingerstalls is wound around the second pulleys and then is fixed to the middle of the rotating shaft; a magneto-rheological damper and a belt pulley are arranged on one side of the frame, the magneto-rheological damper is connected with the rotating shaft through an internal rotor, the rotating shaft is connected with the belt pulley through a key, a steel wire rope is wound around the belt pulley, and the two ends of the steel wire rope are connected with the bottom of the frame through shape memory alloy wires and springs. The method is applicable to five-finger active/passive coordinated rehabilitation training of a finger hemiplegic patient or a finger injured patient.

The invention relates to a movement bed, in particular to a lumbar traction movement bed for orthopedic treatment. The technical problem to be solved is to provide the lumbar traction exercise bed for orthopedic treatment, which is high in safety and can relieve the fatigue of a patient. The lumbar traction exercise bed for orthopedic treatment comprises a base and a bed frame, and the bed frame is arranged at the top of the base; the turnover mechanism is arranged on one side of the upper part of the bed frame; the upper bed plate is arranged on the turnover mechanism; the lower bed plate is arranged on one side of the upper part of the bed frame in a sliding manner. Through cooperation of the turnover mechanism and the servo motor, a patient can lie down to do lumbar vertebra rehabilitation exercise, the comfort of the patient is improved, fatigue of the patient is relieved, and operation is convenient; through the stretching device, the lower body of a patient can be driven to slightly stretch while the upper body of the patient twists, the rehabilitation effect is enhanced, and the rehabilitation period is shortened.