30results about How to "Avoid stiffness" patented technology

The invention provides a vibration damping device of an auxiliary bridge parallel to a main bridge, which comprises a torsion type damping unit arranged between a main beam of the auxiliary bridge and a main beam of the main bridge adjacent to the auxiliary bridge, and the torsion type damping unit comprises a torsion type damper, a transmission assembly and a fixing assembly, the torsion type damper is installed on the side wall of the main beam of the main bridge through the fixing assembly, the transmission assembly comprises a dowel bar for transmitting vibration in the vertical bridge direction and the side bridge direction of the auxiliary bridge and a conversion swing rod for converting linear motion of the dowel bar into rotary motion, and the torsion type damper comprises a torsion shaft. The torsion type damper is connected with the side wall of the auxiliary bridge main beam through the torsion shaft, the conversion swing rod and the dowel bar which are hinged in sequence. The method has the advantages of improving the vibration reduction effect of the auxiliary bridge, reducing the using amount of the damper and the like.

The invention discloses an orthopedics traction reduction support, and relates to the technical field of auxiliary medical instruments, the orthopedics traction reduction support comprises a bearing assembly, two sides of the bearing assembly are provided with fixing assemblies, and the bottom of the bearing assembly is provided with a bottom support assembly. When the tibia and the following parts of a patient are fractured and dislocated, a medical worker supports the leg of the patient to the first soft cushion, under the action of the weight of the leg, related parts act, finally, the arc-shaped clamp turns over to clamp the leg, the bandage synchronously acts to reinforce fixation, and when fixation is relieved, the leg is lifted, the parts rebound, and the arc-shaped clamp is unfolded, so that the fixation of the leg of the patient can be relieved; the device is simple in structure and convenient to operate, can save more time and energy, remarkably improves the traction treatment efficiency, is simple and convenient in the whole operation process, is easy to implement, can drive the calf of a patient to bend and train, facilitates the promotion of muscle recovery, prevents joint adhesion and stiffness, and has a remarkable rehabilitation assisting effect.

The invention discloses a light-weight liquid cooling cable for a direct current charging pile and a production process of the light-weight liquid cooling cable. The light-weight liquid cooling cable for the direct current charging pile comprises a cable core, a filling layer, a belting layer and a sheath layer, a belting layer and a sheath layer are sequentially wrapped outside the cable core, and a filling layer is filled between the belting layer and the cable core; the filling layer is made of a PP rope material, the belting layer is made of a non-woven fabric material, and the sheath layer is made of a thermoplastic elastomer material. The production process sequentially comprises the steps of extrusion of the double-crescent skeleton, stranding of the main power core wire conductor, extrusion of the main power core wire, extrusion of the grounding core wire, extrusion of the auxiliary power core wire, extrusion of the control core wire group and the communication core wire group, overall stranding of the cable core and extrusion of the outer sheath. Through the structural design and material combination, the cable has good mechanical strength and anti-aging performance, meanwhile, the temperature of the cable can be effectively controlled under the high-power charging condition, and therefore the overall safety of the charging pile is improved, and the service life of the charging pile is prolonged.

The two arms of the static Doppler imaging interferometer comprise two pieces of compensation glass, the two pieces of compensation glass are connected to the emergent face of reflected light and the emergent face of projected light of a beam splitting film of a beam splitter respectively, and the two pieces of compensation glass are the first compensation glass and the second compensation glass respectively. The first compensation glass is connected to the incident plane of reflected light of the beam splitting film of the beam splitter, the second compensation glass is connected to the emergent plane of the reflected light of the beam splitting film of the beam splitter, the total reflection mirror and the four-partition reflection mirror are plated at the tail end of the first compensation glass and the tail end of the second compensation glass respectively, and the two pieces of compensation glass are bonded through photosensitive glue. Therefore, the air gap between the two arms of the static Doppler imaging interferometer is eliminated, the stability reduction of the Doppler imaging interferometer caused by the existence of the air gap is effectively avoided, the influence of low air pressure and air flow can be reduced under different environmental conditions, the situation that interference fringes are unstable is avoided, and the stability of the Doppler imaging interferometer is improved. Therefore, the instrument calibration precision and the wind speed detection accuracy are improved.

This invention belongs to the field of medical device technology and discloses a foot pressure relief device for diabetic foot. It includes a base, a pressure relief plate and a motor connected to the base, and a foot pedal and a transmission assembly connected to the pressure relief plate. The transmission assembly includes a crank, a first connecting rod, and a sliding seat. The crank is fixedly connected to the output shaft of the motor, and the sliding seat is connected to the pressure relief plate. The two ends of the first connecting rod are respectively connected to the crank and the sliding seat. The sliding seat is connected to a foot rolling shaft and a second connecting rod, and the second connecting rod is connected to a foot massage roller. A buffer spring is provided between the pressure relief plate and the base. The foot pedal has a through groove, and the foot rolling shaft is connected to a foot massage roller. This invention utilizes the foot rolling shaft / foot massage roller and the foot massage roller to simultaneously perform rolling massage on the sole and instep of the foot. The periodic oscillation of the pressure relief plate causes the heel and toes to alternately rise, resulting in good pressure relief for the foot.

This invention relates to the field of medical auxiliary instruments, and more particularly to a hemodialysis auxiliary device for nephrology. This invention provides a hemodialysis auxiliary device for nephrology that can stably support the patient's arm on the side of the fistula and provides movable fixation for the catheter connected to the fistula puncture needle. It is flexible in use and can effectively prevent muscle spasms in the arm, thus assisting the patient in undergoing more comfortable hemodialysis treatment. The hemodialysis auxiliary device for nephrology includes a base plate, a screw, and a rotating handle; the screw is threaded to the base plate, and the rotating handle is located at the bottom end of the screw. This invention uses a round-headed top rod to limit the inclined ring, locking the height of the support ring plate and the fixed ring plate. Simultaneously, a toothed ring limits the gear, locking the swing angle of the support ring plate and the fixed ring plate. This allows the support ring plate to limit the patient's arm on the side of the fistula, assisting the patient in undergoing stable hemodialysis treatment.

The utility model discloses a face sagging prevention mask structure for facial paralysis after an auditory neuroma operation, and particularly relates to the field of medical care, the face sagging prevention mask structure comprises a mask, bandages are fixedly mounted on two sides of the mask, a binding buckle is arranged on one side of each of the two bandages, a pushing and pressing mechanism is arranged on the outer wall of the mask, and the pushing and pressing mechanism comprises fixed plates fixedly mounted on two sides of the mask. The two fixed plates are symmetrically arranged, a first rotating roller is fixedly installed on the outer walls of the two fixed plates, the first rotating roller is arranged in a vertical state, a position supporting plate is rotatably installed on the outer wall of the first rotating roller, and the position supporting plate and the outer wall of the mask are arranged in parallel; according to the utility model, the pushing and pressing mechanism is arranged, and structures capable of performing pressing and rolling massage are arranged on the two sides of the mask, so that a patient presses the face position by himself to perform pushing and pressing massage on the face, the facial muscles of the patient are relieved, and the situation that the face of the patient is tightened for a long time and consequently the face is stiff is avoided.

The invention discloses a reset damper, which relates to the technical field of shock absorption and isolation of engineering structures, and comprises a supporting sleeve, a first fixed magnet is fixed on the surface of the supporting sleeve, the first fixed magnet is connected with a second fixed magnet through a sliding rod, and a sliding magnet is arranged in the middle of the sliding rod; a transmission sleeve is arranged above the supporting sleeve in parallel, and a first spring is arranged between the transmission sleeve and the supporting sleeve. A surface sliding rail is arranged on the outer wall of the transmission sleeve, and a limiting rod is slidably connected into the sliding rail and rotationally connected with the sliding magnet. A through hole is formed in the transmission sleeve, a supporting column is rotationally connected into the through hole, and the supporting column penetrates through the transmission sleeve, extends into the supporting sleeve and is connected with the bottom of the interior of the supporting sleeve through a second spring; the supporting sleeve is arranged on the longitudinal and transverse decoupling sliding rail in a sliding mode. The self-resetting device can adapt to the characteristic of complex displacement of the support under the earthquake action, has the advantages of high energy consumption, strong limiting and the like, and realizes the self-resetting function by utilizing high restoring force of mutual exclusion of the resetting alloy spring and the magnet.

The invention discloses a strong-sun-protection moisture-absorption quick-dry breathable dry elastic fabric and a preparation process thereof, and relates to the technical field of fabrics. The preparation method comprises the following steps: step 1, preparing polyester spandex core-spun yarns by taking polyester yarns with a sun-proof function as sheath yarns and spandex yarns as core yarns; tatting by taking the fabric as warp yarns and weft yarns to obtain a tatted fabric; 2, the woven fabric is sequentially subjected to low-temperature pretreatment with alkali liquor, first cation finishing liquid treatment, sulfonic gelatin finishing liquid treatment and second cation finishing liquid treatment; and performing high-temperature setting to obtain the strong-sun-protection moisture-absorption quick-drying breathable dry elastic fabric. In the application, the covering yarn with the sunscreen property is used as an internal sunscreen layer, and the finishing layer on the surface of the fabric is used as an external sunscreen layer, so that the high-strength ultraviolet protection property of the fabric is synergistically realized; meanwhile, the prepared fabric has excellent moisture absorption and quick drying properties and washing fastness.

The utility model discloses a cardiology department interventional postoperative limb nursing device, which relates to the technical field of medical nursing equipment, and comprises a folding bracket, the outer side of the folding bracket is sleeved with two first sliding sleeves, the bottoms of the two first sliding sleeves are both connected with a support frame, the tops of the two first sliding sleeves are both in threaded connection with first bolts, and the first bolts are in threaded connection with second bolts. And a positioner is mounted at the bottom of the support frame. Compared with the prior art, the postoperative interventional limb nursing device for the department of cardiology has the advantages that the angle of the nursing frame can be conveniently adjusted through the adjustor mounted above the nursing frame under the action of a worm gear and a worm inside the adjustor, the nursing frame can be more attached to limbs, the folding support can be folded, occupied space is reduced, and the nursing frame is convenient to use. The first sliding sleeve and the second sliding sleeve are arranged on the top of the supporting frame and the top of the adjustor in a sleeved mode, so that the supporting frame and the nursing frame are convenient to detach, store and carry.

The rehabilitation training mechanism comprises a lower ankle fixing plate and an upper ankle fixing plate which are rotationally connected, a lower ankle bandage is arranged on the upper surface of the lower ankle fixing plate, an upper ankle bandage is arranged on the front side of the upper ankle fixing plate, and the lower ankle bandage and the upper ankle bandage are connected through an electric telescopic device; the electric telescopic device comprises an electric telescopic base, a motor, a gear and two racks, the two racks are arranged on the two sides of the gear respectively and meshed with the gear respectively, the two racks are parallel to each other and installed on the electric telescopic base in a sliding mode respectively, and connecting pieces of the two racks are detachably and rotationally connected with the under-ankle bandage and the above-ankle bandage respectively. The motor drives the gear to rotate, the gear drives the two racks to linearly move in the opposite direction, and therefore the angle between the upper ankle fixing plate and the lower ankle fixing plate is adjusted. Compared with the prior art, the ankle joint training device has the following advantage that effective training of the ankle joint of a patient with injured lower limbs is achieved.

The application belongs to the technical field of retanning agent preparation, and particularly relates to an environment-friendly melamine resin retanning agent and a preparation method thereof. Oxidized starch is prepared by using raw materials including starch, hydrogen peroxide and sodium persulfate; then the oxidized starch is mixed with raw materials such as melamine, dicyandiamide, urea, formaldehyde and sodium sulfamate to prepare a retanning agent prepolymer; finally, sodium alginate intercalated LDHs and polyethylene glycol are added, and after mixed reaction, the environment-friendly melamine resin retanning agent is prepared by spray drying, which can effectively improve the softness and thickening rate of leather and reduce the content of free formaldehyde.

The utility model relates to a finger application, which comprises a sticking part, a pattern part, an adjusting part and a fixing part, the upper surface of the sticking part is provided with a medicine layer and a first adhesive tape, the sticking part is connected with the pattern part, the fixing part is provided with a bonding layer and a fixing layer, and the peripheral part of the lower surface of the bonding layer is fixedly bonded with the fixing layer. A cavity is formed between the middle part of the lower surface of the bonding layer and the fixing layer, an opening is formed in one end of the cavity, one end of the adjusting part is fixedly connected to the bottom end of the bonding part, and the other end of the adjusting part is clamped and connected into the cavity. By means of the structure, the problems that in existing clinical work, after a child patient finger trauma is bound with breathable sterile gauze, an adhesive tape is wound or a plastic fingerstall is arranged outside, the appearance is bloated and inconvenient, and loosening and slipping are prone to occurring are solved.

The invention discloses an all-attitude five-axis turning and milling combined machine tool matched with a non-orthogonal main shaft, and belongs to the technical field of high-end numerical control machine tools. According to the technical scheme, the turning and milling machine comprises a machine body and a turning and milling workbench arranged on the machine body, and a sliding seat is movably arranged on the machine body; the X-axis transmission system is arranged on the lathe bed, is in driving connection with the sliding seat and is used for driving the sliding seat to move in the X-axis direction; the Z-axis transmission system is arranged on the sliding seat; the spindle box is in driving connection with the Z-axis transmission system and used for moving in the Z-axis direction. And the turning and milling main shaft is rotatably connected to the main shaft box. The invention has the following beneficial effects: through the combined design of a series of technical characteristics of the 45-degree non-orthogonal main shaft and the-30-180-degree all-attitude adjusting structure thereof, the long-standing technical problems of limited machining range, insufficient angle adjusting precision, low multi-process circulation efficiency and the like of the traditional orthogonal main shaft machine tool are solved; and the machining flexibility, the positioning precision, the whole machine rigidity and the process adaptability are all substantially improved.

The invention particularly relates to the technical field of wheelchairs, and discloses a rehabilitation walking-assisting wheelchair which comprises a frame, the rear portion of the upper end of the frame is fixedly connected with a chair back, the inner surface of the chair back is rotatably connected with a cushion, and the inner surface of the chair back, the rear end of the chair back and the left end and the right end of the frame are jointly provided with active and passive assemblies. The inner cavity and the lower end of the cushion are jointly provided with a ventilation massage assembly. According to the rehabilitation walking-assisting wheelchair, by arranging the driving mechanism, the fixing mechanism and the hand exercising mechanism, when a user uses the wheelchair, the corresponding exercising mode can be performed according to the self condition of the user according to the two exercising modes of hand active exercising and leg passive exercising or hand passive exercising and leg active exercising of the user; the health-care pillow can effectively enhance muscle strength, improve joint flexibility, promote blood circulation, prevent muscle atrophy and joint stiffness, and is beneficial to improving physical strength, improving cardio-pulmonary functions, promoting self-movement ability and reducing bedsore risks.

The utility model discloses a delivery device, and belongs to the technical field of medical instruments. The multifunctional nursing bed comprises a base and a bed body, the bed body is fixedly arranged at the top end of the base, pulleys with brakes are fixedly arranged at the four corners of the top end of the base, a groove is formed in one side of the top end of the bed body, and a storage battery, an integrated controller and other circuit elements are installed in the base. A control panel is fixedly arranged on one side of the front face of the base, and a backrest assembly is fixedly arranged in the base. A backup plate drives a moving block to move in a first sliding rail under the action of an electric hydraulic cylinder, so that a supporting rod is driven to move, the backup plate can be driven to finely adjust and rotate, the angle of the back of a pregnant woman can be conveniently adjusted, a leg pillow can support the leg bending positions and the legs of the pregnant woman, and therefore a doctor can conveniently deliver the pregnant woman; and the two sliding blocks can move to drive the two leg pillows to move, so that the separation angle of the legs of the lying-in woman can be conveniently adjusted.

The utility model mainly relates to the technical field of computer peripheral input equipment, in particular to an inner / lower click ergonomic mouse. The radian main body is arranged near a proximal phalanx and forces fingertips of an index finger, a middle finger and a ring finger to be clicked downwards or inwards at an angle of 135-90 degrees with the proximal phalanx, and two or more than two keys which are clicked downwards or inwards at an angle of 135-90 degrees with the fingertips of the index finger, the middle finger and the ring finger are arranged at the front end of the mouse main body. The roller which vertically rolls up / down is arranged in the thumb direction of the main body, or the roller is arranged in the front key, and the radian which converges inwards at the grasping position of the thumb and the little finger is convenient to grasp. Due to the design that the radian high point of the main body is close to the proximal phalanx, mouse clicking can be like natural bending and table knocking, finger stiffness is avoided, and clicking and rolling comfort is improved.

The utility model discloses a hemodialysis internal arteriovenous fistula side limb heat preservation fixing frame, and belongs to the technical field of medical assistance. The supporting frame is used for placing limbs of a patient, the rotating structure is used for adjusting the angle of the supporting frame, the support base is used for placing a support base and the rotating structure, the heating mechanism is used for keeping the limbs of the patient warm, the rotating structure is located at the side end of the support base, and the lower portion of the side end of the supporting frame is fixedly connected to the rotating structure; the heating mechanism is located in the supporting frame. When a patient is treated, the limb is placed in the supporting frame, so that the treatment position of the limb of the patient is visible to a medical worker, the medical worker can conveniently observe the puncture position of the patient and timely find out whether a needle disengagement phenomenon exists or not, and due to the fact that the limb is exposed outside for a long time, stiffness and unsmooth blood circulation are caused; at the moment, the limbs of the patient can be subjected to heat preservation only through the heating mechanism, the situations that the limbs are stiff and blood circulation is not smooth are prevented, and the comfort of the patient is improved.

The application discloses a kind of ocean towed cable system real-time digital twin construction method and system.The method comprises the following steps: constructing ALE-ANCF-based towed cable dynamics model, using the unit containing material coordinate freedom to describe the relative flow of node;Establish the system motion equation representing the dynamic winding and unwinding process of cable;Real-time acquisition of ship and winch data as boundary constraint input;Dimension reduction and real-time solution of motion equation are carried out by using semi-implicit numerical integration;In each time step of model solution, according to the length change of the first unit, dynamically execute node insertion or deletion to complete grid adaptive reconstruction, and extract the virtual tension at the cable guide to feedback control.The application breaks through the technical bottleneck that flexible cable is difficult to simulate continuously and in real time under variable length conditions, realizes high-precision prediction of towed cable state, and provides reliable decision support for winch active heave compensation control.

This invention relates to the field of textile fabric technology, specifically to a high-elasticity fiber fabric and its molding process. The fabric comprises a knitted base fabric woven from nylon-coated modified polyurethane elastic fiber-coated yarn. The modified polyurethane elastic fiber comprises a core elastic polyurethane phase and a surface hard-segment enriched phase. The surface phase is formed by a composite of polycarbonate diol-type high-hardness polyurethane prepolymer, hydrophilic fumed silica, hydrophobic fumed silica, and hydroxyalkyl-terminated polydimethylsiloxane. This invention significantly improves the interfacial stability between the core yarn and nylon without increasing fiber usage or fabric tightness, giving the fabric high elastic recovery rate, low dimensional change after washing, and excellent sweat and heat resistance, thus solving the problem of easy loosening and deformation in traditional high-elasticity fabrics.

This invention discloses a limb immobilization and rehabilitation training device after peripheral vascular intervention, comprising a frame, a lifting backrest, four wheels, a soft pad, two braking components, a twisting component, two massage components, and an ankle pump component. The four wheels are rotatably mounted on both sides of the frame in pairs. The lifting backrest is rotatably connected to the frame, and the soft pad is placed on the frame. Through the ankle pump component, the patient's foot is placed in the foot groove of the footplate, and an elastic band limits the foot's position. When the frame slides back and forth within the slide rail, it drives the footplate to slide. Simultaneously, under the fixation of the support, as the footplate slides, a ring makes a directional reciprocating motion along the slide groove. Under the action of the connecting rod and the support's resistance, the ring drives the footplate to complete a regular swinging motion, allowing the patient's foot to synchronously perform ankle joint flexion and extension movements with the footplate, achieving passive ankle pump training. This promotes distal lower limb blood circulation while preventing patients from being unable to perform ankle pump movements independently due to postoperative limb weakness.

The application discloses a video face slimming method and system based on key point partition control, and belongs to the field of computer vision and digital image processing. The method comprises the following steps: acquiring and analyzing video attribute information, initializing a video processing flow; reading image frames frame by frame and performing face key point detection; dividing a face into two sub-areas based on a data set; adaptively adjusting face slimming strength according to width difference; applying a local deformation algorithm using the adjusted parameters; and synchronously processing the processed image frames and original audio stream by time stamp to generate a final video output. The application adopts face key point detection and partition control technology, realizes fine face slimming of the face area, effectively solves the problem of audio-visual asynchronization in the video by using time stamp synchronous processing, can provide natural and personalized face beautification effect while ensuring real-time performance, and significantly improves user experience and video processing quality.

The movable severe spinal malformation traction device comprises a head ring, two universal rotating mechanisms, a pelvis fixing ring and a plurality of telescopic supporting rods, the two universal rotating mechanisms are connected to the left end and the right end of the head ring respectively, and the pelvis fixing ring is adjustable in surrounding size and located below the head ring; and the upper end of the telescopic supporting rod is connected with the universal rotating mechanism. The two ends of the head ring are connected with the telescopic supporting rods through the universal rotating mechanisms, so that the head ring can rotate in multiple directions relative to the telescopic supporting rods, the flexibility of the head of a patient is improved, neck stiffness is avoided, the comfort is improved, and different use scenes are adapted.

This invention discloses a device and control method for rehabilitation exercises after bone transport surgery, including a support frame, a sliding plate, a foot pedal assembly, and a telescopic device. The support frame has a groove and a receiving notch; the sliding plate is slidably disposed within the receiving notch; the foot pedal assembly includes a pedal and a fixing frame, and the actuating end of the first telescopic device is connected to the pedal via a second hinge to drive the pedal to rotate in the dorsiflexion direction and / or plantarflexion direction around the first hinge. The tilt sensor is used to measure the angle between the support plane of the pedal and the horizontal plane, enabling patients to perform ankle joint functional exercises in the early postoperative period with the affected limb completely weightless, avoiding ankle stiffness caused by prolonged bed rest or immobilization. This device has wide applicability and broad application prospects.

This utility model discloses a fistula restraint device specifically for hemodialysis patients, belonging to the technical field of fistula restraint devices. It includes an upper arm support strapped to the patient's upper arm and a lower arm support strapped to the patient's forearm. An extendable upper telescopic arm is fixed to the outer wall of the upper arm support, and an extendable lower telescopic arm is fixed to the outer wall of the lower arm support. A connecting member rotatably connects the upper and lower telescopic arms. The connecting member includes an upper connecting seat fixed to the bottom of the upper telescopic arm and a lower connecting seat fixed to the top of the lower arm support. A fixing plate is fixed to the front side of the upper connecting seat. This utility model uses two limiting rings to restrict the angle of the lower telescopic arm strapped to the forearm, allowing the patient's forearm to be restrained by the upper and lower telescopic arms while also allowing for a small range of rotation within the limitation of the limiting rings. This prevents the patient's arm from becoming stiff or numb due to prolonged immobility during hemodialysis, thus improving patient comfort during hemodialysis.

This invention relates to the field of magnetic levitation chiller technology and discloses an energy-saving variable frequency magnetic levitation chiller, including an evaporator, a condenser installed at the bottom of the evaporator, a connecting seat fixedly mounted at the end of the condenser, and a flow guiding component on the outer wall of the connecting seat. This energy-saving variable frequency magnetic levitation chiller recovers waste heat from the condenser cooling water to perform closed-loop constant temperature control on the magnetic levitation bearing, ensuring the bearing remains within its optimal operating temperature range. This avoids coil resistance drift, sensor temperature drift, and fluctuations in levitation stiffness under low-temperature conditions, improving the operational stability of the magnetic levitation bearing. Utilizing the residual heat of the heated cooling water for constant temperature treatment of the magnetic levitation bearing eliminates the need for additional electrical energy consumption for preheating and insulation. Building upon the inherent high efficiency and energy saving of magnetic levitation technology, this further reduces auxiliary energy consumption and improves overall energy efficiency.

The invention provides sports socks with functional partition silica gel layers, each sports sock comprises a main sock and an auxiliary sock, each of the main sock and the auxiliary sock comprises a sock body and a sock leg connected to the upper portion of the sock body, and each sock body comprises a sock body and a silica gel layer structure arranged at the bottom of the sock body. The silica gel layer structure comprises the following areas: a half sole thrust area which comprises a plurality of strip-shaped silica gel blocks which are arranged at the end parts of the first to fifth metatarsal bones along the direction perpendicular to the length direction of the metatarsal bones; the foot arch supporting area comprises a plurality of silica gel supporting belts which are longitudinally arranged along the inner side of the foot arch; the heel stabilizing area comprises a plurality of arc-shaped silica gel sections, and the arc-shaped silica gel sections surround to form a C-shaped semi-ring structure or an O-shaped full-ring structure and are arranged around the heel; and the toe root grasping area comprises a plurality of silica gel points which are arranged below the first metatarsophalangeal joint to the fifth metatarsophalangeal joint.

The invention discloses an orthopaedic lower limb rehabilitation training wheelchair, which comprises a frame, a cushion plate and a back cushion plate which are used for forming the wheelchair, a limb swinging structure for performing rehabilitation training on legs of a patient is arranged on the frame, the limb swinging structure comprises two groups of pedal plates arranged below the cushion plate, a mounting plate is fixedly connected to the cushion plate, and the pedal plates are fixedly connected to the mounting plate. A transverse pin is arranged on the mounting plate in a fixed-axis rotation mode and fixedly connected with the pedal plate, a knee bending assembly for driving the transverse pin to rotate in a reciprocating mode in the vertical direction is arranged on the mounting plate, a waist cushion air bag used for supporting the waist of a patient is arranged between the cushion plate and the back cushion plate, and a composite supporting assembly for adjusting the air amount in the waist cushion air bag is arranged on the frame. By arranging the limb swinging structure, transferring and rehabilitation training of a patient are synchronously carried out, in the transferring process of the patient, knee joints and leg adductor groups can be exercised at the same time through alternate operation of the knee bending assembly and the inner supporting assembly, and the defect that conventional rehabilitation equipment cannot continue training in the transferring stage is overcome.

The invention discloses a gas turbine squeeze film damper rigidity measuring device, and relates to the technical field of performance testing of gas turbine rotor system matching parts. The method solves the problems that the measurement precision is restricted by the frequency measurement accuracy in the existing indirect measurement method for speculating the stiffness of the squeeze film damper by measuring the vibration frequency, and errors exist between the obtained comprehensive stiffness and the actually required stiffness of the rotor bearing position. A supporting tool fixes an extrusion oil film damper, a loading tool simulates the assembly relation between a rotor bearing and the extrusion oil film damper, one end of a lever is hinged to a hinge support, the other end of the lever bears the acting force of a probe of a loading sliding platform, and a loading guide rail restrains the movement direction of the loading sliding platform. The displacement measurement module carries out displacement detection corresponding to the bearing installation position. According to the invention, load amplification is realized through the lever principle, the actual rigidity of the squeeze film damper can be accurately obtained by adopting a direct loading and direct displacement measurement mode, and the installation and centering precision of a rotor is guaranteed.

This invention relates to the field of suspended bed technology, specifically to an intelligent suspended bed, comprising a support module, a bed body module at the top of the support module, a connecting frame, four support legs fixedly connected to the bottom of the connecting frame, a bed frame on the top of the connecting frame, and a connecting frame passing through the interior of the connecting frame on the bottom of the bed frame. The bed body module includes two connecting shells. In this invention, a sponge sleeve is fixedly connected to the side of a connecting rod. The sponge sleeve supports the elderly person lying on the cover, allowing the connecting ring to move between the limiting plate and the limiting frame, thereby causing the connecting rod to move cyclically. This allows the sponge sleeve to roll at the bottom of the cover, changing the support position for the back, avoiding prolonged pressure on the back that could cause back muscle stiffness, and the rolling and squeezing of the sponge sleeve massages the elderly person's back, which is beneficial for their recovery.