62 results about "Bedding Change" patented technology

The invention discloses a similar test bed and a test method for a rotor-sliding bearing power, wherein a motor is connected with an overdrive gear box by a first shaft coupling; the overdrive gear box is connected with a rotor by a second shaft coupling; the overdrive gear drives the rotor to rotate; the rotor is supported by a left sliding bearing and a right sliding bearing; the left sliding bearing is connected with a left bearing seat by a left bearing tooling; the right sliding bearing is connected with a right bearing seat by a right bearing tooling; a number of electromagnetic actuators are arranged below the rotor in a non-contact manner; the similar test bed changes a static load of sliding bearings by a non-contact electromagnetic force, reduces an original big rotor into a small test rotor by a power similar principle, and ensures that a test state is uniform to an actual working state for supporting the big rotor; the method is feasible and a test result has a good engineering reference value for a bearing design, ultimate load bearing, a dynamic property analysis and a reliability analysis and the like, thus greatly saving cost.

The invention belongs to the technical field of medical equipment for the orthopedic department, and discloses an orthopedic hospital bed and operating bed with a traction reduction function. The orthopedic hospital bed and operating bed is used for traction reduction operation. According to the technical scheme, traction columns are mounted on a bed frame and can be erected and laid down; traction cross beams can be mounted to be matched with traction devices such as traction bows and the like for traction reduction operation after the traction columns are erected, and the hospital bed can be used as an ordinary hospital bed after the traction columns are laid down, so that the cost of a special traction bed is reduced greatly; and the front and back positions and the heights of the traction columns can be adjusted, so that the best traction effect can be realized. The orthopedic hospital bed and operating bed can conveniently perform traction reduction on a patient, not only can be used as an ordinary hospital bed, but also can be used as a traction bed and can also be used as an operating bed, so that the patient can be treated in one hospital bed from beginning to end, troubles and pains which are caused by bed changing during treatment and operation can be avoided, the treatment effect is prevented from being influenced, and a doctor can conveniently perform orthopedic operation and treatment of traction reduction at the same time.

The invention discloses a method for achieving ground coal bed gas production through a cluster well and a horizontal well under a complex terrain condition. The method for achieving ground coal bed gas production through the cluster well and the horizontal well under the complex terrain condition comprises the following steps that a, the cluster well is constructed and is fixed; b, the horizontal well is constructed and fixed; c, gun perforation and fracturing construction are conducted on a target coal bed section of the cluster well in sequence, and a pressure meter is installed on the mouth of the cluster well; d, segmented gun perforation and fracturing construction are conducted on the horizontal well in sequence, and the change of the reading of the pressure meter on the mouth of the cluster well is monitored during fracturing; e, overflowing is slowly conducted on the cluster well and the horizontal well in sequence till the surface casing pressure is zero; f, water drainage and gas production are conducted after a drainage and production device is installed on the cluster well, and only a gas production well mouth is installed on the horizontal well. According to the method for achieving ground coal bed gas production through the cluster well and the horizontal well under the complex terrain condition, overall depressurization of a coal reservoir within the control range of the cluster well and the horizontal well can be achieved, the ground production range of coal bed gas in areas with burial depths of target coal beds changing greatly is remarkably widened, a ground coal bed gas production project is simplified, and equipment investment is reduced.

The invention provides an epicormic branch cutting medium for vaccinium uliginosum and a preparation method thereof, in particular to the epicormic branch cutting medium for the vaccinium uliginosum and the preparation method thereof.The problems that existing inorganic medium epicormic branch cottage needs to be subjected to bed changing transplantation, deaths of nursery stocks can be caused in the transplantation process, the emergence rate is lowered, the medium of the bed changing transplantation is soil, the mass of the soil is large, and the labor force is wasted in container-grown seedling forestation are solved. The epicormic branch cutting medium for the vaccinium uliginosum is composed of fermented biologic materials and unleavened grass carbon, and the volume ratio of any two of fermented saw dust, fermented rice hulls and fermented bark to the unleavened grass carbon is (0.8-1.2):(0.8-1.2): (0.8-1.2); the preparation method comprises the steps of stack establishment of the biologic materials, the fermentation of the biologic materials; the bending of the cutting medium. The epicormic branch cutting medium for the vaccinium uliginosum is used for the epicormic branch cutting of the vaccinium uliginosum.

The invention discloses a gas phase method fluidized bed on-line catalyst switching method belonging to the technical field of gas phase method fluidized bed ethylene polymerization. The gas phase method fluidized bed on-line catalyst switching method is characterized in that the method comprises the following steps: hydrogen feeding is in advance closed, hydrogen in a reaction system is consumed, when in switching, catalyst feeding is stopped, a first catalyst in a catalyst feeder is returned, purified nitrogen is used to completely purge a whole catalyst feeding and conveying system, and then a second catalyst is conveyed. While reactor's primary process conditions are maintained, the first catalyst in a bed layer can be consumed at a lower load; when a cycle gas is discharged in a reactor, the hydrogen in the reactor is replaced by nitrogen to below 250ppm; a small amount of metallocene catalyst is added to the reactor to maintain the reaction at a lower load, and a bed layer is replaced. The gas phase method fluidized bed on-line catalyst switching method can realize switching between different catalyst systems without stopping a machine for bed changing, the switching efficiency is greatly improved, and material energy loss caused by the switching can be reduced.

The invention belongs to the technical field of medical instruments, in particular to a scoliosis towing and pushing bed which comprises a bed surface, an axial towing device, a lateral pushing device and a bed surface rotating device, wherein the axial towing device comprises an upper-end towing belt and a lower-end towing belt, and the upper-end towing belt is connected with a tension receptor and controls the tension through an axial pulley block. The lateral pushing device comprises a pushing and pressing rod 1, a pushing and pressing rod 2, a blocking plate 1, a blocking plate 2, a sliding groove 1 and a sliding groove 2. A pressure receptor 1 is arranged at the head end of the pushing and pressing rod, pressure receptors 2 are arranged at two head ends of the pushing and pressing rod 2, all the pushing and pressing rod 1, the pushing and pressing rod 2, the blocking plate 1 and the blocking plate 2 can slide on the sliding grooves, and rotary rod pressing devices are all arranged at the tail ends thereof. The bed surface rotating device is connected with the bed surface. The scoliosis towing and pushing bed changes the pure axial towing way, provides the lateral pushing and pressing force and the rotating orthopedic force, has better deformity orthopedic effect, can loosen stiff texture of the vertebral column spine to greater extent, accurately estimates and improves the scoliosis flexibility and improves the operation curative effect.

The invention belongs to the field of medical devices and relates to a bed transfer stretcher used for bed change and transfer of patients unable to move. The bed transfer stretcher is structurally characterized in that conveyor belts are unfolded into a rectangle to wrap the outsides of rolling pipes; rolling pipes cover cross bar frames and are sleeved with soft rubber covers; the bar frames and vertical borders form vertical bed surfaces on two sides, and the bar frames and planar borders form a planar bed surface; the vertical bed surfaces on two sides are connected with the middle planar bed surface through rotating shafts; each of slides is composed of an upper portion and a lower portion which are fixed to the planar bed surface and the stretcher borders respectively; the stretcher borders are connected with the slides and lifting legs to form a stretcher body; each lifting leg is connected with one slide above and a brake swivel caster below. The bed transfer stretcher has the advantages that the patient can be moved from the hospital bed or the operation bed into the stretcher flatly, and then moved out from the stretcher flatly after being transferred to the destination, and the purpose of bed change and transfer of the patients is achieved. The stretcher can be used for moving various patients between the hospital beds or the hospital bed and the operation bed, and is a safe and effective brand-new bed transfer stretcher in line with the will of patients, families and hospitals.

The invention discloses a closed-type internal animal building ambient air particle monitoring method. The closed-type internal animal building ambient air particle monitoring method comprises the following steps: points are distributed in an animal housing by a quartered diagonal selected-point method, at least five points are provided as sampling points, and the sampling height is 0.4-1.5 m above the ground of the animal house; the sampling points are continually sampled in the animal house through a particle sampler, and the concentration of particles is monitored; and the continuous sample method comprises sampling during feed feeding, animal rest, cleaning of the animal house, and bedding change. As the particles in the animal house are continually monitored, the grain size distribution of air fine-particles in the animal house are acquired by the particle sampler, and impacts on chemical characteristics of the particles from such factors as animal management, animal ingestion and excretion are analyzed and studied; and by virtue of animal in-vivo test and in-vitro experiments models, impacts on physiological and biochemical indexes, behavioral indexes and production performance indexes of animals in different growth stages from the particles in the animal house are studied, and a theoretical basis is provided to guarantee and improve the animal health.

The invention discloses an auxiliary transfer device for a medical bed. The auxiliary transfer device comprises a bed body structure, power assisting structures, sliding structures and a traction structure, wherein the power assisting structures are located at the two ends of the bed body structure; the bed body structure comprises a bed plate; four groups of fixing valves are arranged at one endof the bed plate; the power assisting structures are located at the two ends of the bed body structure; the sliding structures are located at the two ends of the bed board respectively. The bed plateis driven by the power assisting structures and the sliding structures to move to a sickbed needing to be transferred at a constant speed; the distance between the bed plate and the sickbed is fixed through the fixing valves in the front-back direction, the guiding performance of the bed plate in the bed changing process is guaranteed through the traction structure, the problem of sickbed transition of a patient after an anesthesia operation is completely and stably solved, the nursing difficulty of medical staff is reduced, and the patient can obtain good user experience.

The invention discloses a nursing bed with convenient bed changing function. The bed comprises a bed frame and a bed board arranged on the bed frame, a support bracket capable of supporting the bottomof the bed board is arranged on the bed frame; a support frame positioned below the bed board is arranged on the bed frame; a worm rod and a worm-gear case which are driven by a power device are connected on the bed frame; a middle transmission shaft is arranged in the worm-gear case; a worm gear and a driving gear which have a power connection with the worm rod are connected with the middle transmission shaft; the supporting frame is provided with a rack meshed with the driving gear for driving the support frame to lift; a plurality of transmission shafts arranged in parallel in the longitudinal direction are connected with the supporting frame, a plurality of supporting riding wheels capable of rotating in the same direction, lifting the bed board and supporting bed board to fall down are connected with the transmission shaft, a plurality of transmission shafts are connected and driven by a transmission chain, one of the transmission shafts is driven by a driving force exchanging mechanism, the supporting riding wheel is arranged below the bed board. The nursing bed can realize the lifting and the lateral transfer of the bed board, and has the advantages of stable and reliable bed changing, thereby avoiding the risk of falling.

The invention relates to a medical transfer device, in particular to a medical electric transfer trolley. The medical electric transfer trolley comprises a front trolley surface plate and a rear trolley surface plate, wherein the front trolley surface plate and the rear trolley surface plate are arranged on the top of a trolley surface plate frame. Trolley surface plate turnover devices which are used for driving the front trolley surface plate to overturn upwards and downwards are installed at the two ends of the rear trolley surface plate, a driving mechanism which is used for driving the rear trolley surface plate to move leftwards and rightwards in the horizontal direction is installed on the trolley surface plate frame, and a lifting mechanism which is used for driving the trolley surface plate frame to ascend and descend is installed at the bottom of the trolley surface plate frame, and installed on a chassis frame with center control trundles; a stretchable auxiliary supporting mechanism is further installed on the chassis frame, two stretchable trolley surface plate stretching arms are symmetrically arranged at the two ends of the trolley surface plate frame in the width direction, and the two sides of the rear trolley surface plate in the width direction are fixed to the trolley surface plate stretching arms. The medical electric transfer trolley is reasonable in structural design and convenient to use, can relieve the pain caused by bed changing of patients, and reduces the working intensity of medical staff.

The invention relates to the technical field of medical care equipment, and discloses a nursing sickbed convenient for bed changing. The nursing sickbed comprises a first bed board and a second bed board, wherein a bed head guardrail is mounted on the top of the first bed board and a bed tail guardrail is mounted at the bottom of the first bed board, transverse guide grooves are formed in the front side of the first bed board, universal wheels are mounted on the back side of the second bed board, the universal wheels are inserted into the guide grooves, and storage grooves are formed in the middle of the front side of the first bed board. For the nursing sickbed convenient for bed changing, the guide grooves, the universal wheels, first grooves, second grooves, clamping plates, clamping grooves and guide rails are arranged, side protection plates are removed, the clamping plates are inserted in the clamping grooves, the side protection plates are butted to another sickbed, so that thesecond bed board is moved to another sickbed along the direction of the guide grooves and the guide rails, the operation is simple, the transportation of a patient is not needed, thus the probabilityof secondary injury caused to the patient is reduced, meanwhile, the bed changing time is saved, and the use is convenient.

The invention discloses a medical treatment nursing bed for neurologic patients. The medical treatment nursing bed comprises a bed body, a restless patient control device, a lumbar puncture patient brake device, a transfusion safety control device, a lifting device and a moving device. The invention aims at providing the medical treatment nursing bed for the neurologic patients, which is user-friendly in design, novel in structure, convenient to use, safe, flexible, multipurpose and capable of relieving the strengthen of the nursing work. The bed body is designed into a vehicle type and has power-driven performances; the restless patient control device consists of blocking tubes, a hook sleeve, a restraint strap and a double-shaft strap penetrator, wherein the blocking tubes are lower than a bed board frame, so that the patient is prevented from dropping from the bed, and the restless patient control device also can be used as the control device; the turning over of the patient and the bed changing can be realized by a lifting mechanism; the transfusion time controller is arranged for realizing automatic alarm before the transfusion liquid is completely dripped; and a transfusion heater is arranged for preventing causing discomfort of the patient due to extremely low transfusion temperature. The medical treatment nursing bed for the neurologic patients is suitable for clinical application of treating and nursing a neurologic long-term bed patient, a restless patient, a lumbar puncture patient and a postoperative rehabilitation patient.

The invention discloses a medical bed changing device and a bed changing method. The medical bed changing device comprises a bed body driving mechanism for movably supporting a bed board to produce a gap and a carrying device, wherein the carrying device comprises a frame provided with wheels, a lifting device and a supporting device; the lifting device comprises two vertical casing pipe guiding slides, a push device and a supporting device body which are fixed on the frame; the supporting device comprises casing pipes arranged outside the casing pipe guiding slides in a sleeving manner and glidingly connected with the casing pipe guiding slides, a top beam fixedly arranged at upper ends of the casing pipes and supporting beams fixedly connected with the casing pipes; the push device is connected with the frame and the top beam; the push device pushes the top beam to drive the supporting device body to move up and down; multiple parallel supporting rods are arranged on one side of the supporting beam, are arranged horizontally and can be inserted in the gap of the bed board below bedding to support the bedding; a turning plate on the bed board is driven to be vertical by the aid of a bed body driving mechanism, so that the spacing gap is produced between the bedding and the bed board, the supporting rods of the carrying device are inserted in the gap, and the lifting device is controlled to support the bedding and a patient on the bedding. The medical bed changing device is simple in structure, flexile to move, stable and safe.

The invention provides a shoot cutting medium for sweetberry honeysuckle and a preparation method thereof. The invention aims to overcome the following problems in shoot cutting using an inorganic medium: bed changing and transplanting are needed when the inorganic medium is used, and transplanting leads to death of nursery stock, so the emergence rate is decreased; and a bed changing and transplanting medium is soil which is great in mass, so labor is wasted in afforestation with container seedlings. The shoot cutting medium provided by the invention is composed of a fermented biomass material and unleavened grass carbon; and a volume ratio of any two selected from the group consisting of fermented sawdust, fermented rice husk and fermented bark to the unleavened grass carbon is 0.8-1.2: 0.8-1.2: 0.8-1.2. The preparation method comprises the following steps: piling of the biomass material; fermentation of the biomass material; and blending of the cutting medium. The medium is used for shoot cutting of sweetberry honeysuckle.

The invention discloses a bed sheet transfer device. According to the bed sheet transfer device, a fixing frame is arranged on one side of a medical bed. Two ends of a bed sheet roll are arranged on the fixing frame and can roll on the side, opposite to the medical bed, of the fixing frame back and forth. The bed sheet roll is provided with a bed sheet reel capable of rolling on the side, oppositeto the medical bed, of the fixing frame back and forth and a bed sheet bundled around the bed sheet reel and capable of rolling with the bed sheet reel to be spread. A traction device is located on the other side of the medical bed. A clamping device is connected with the traction device and used for clamping the bed sheet. The traction device can drag the bed sheet clamped by the clamping deviceto move on a bed board of the medical bed. The bed sheet transfer device utilizes the clamping device to clamp the bed sheet and then conduct dragging movement on the bed sheet through the traction device, so that the bed sheet carries a patient to slowly move from one medical bed to another medical bed, and the purpose of patient transfer or bed change is achieved.

The invention discloses a method for monitoring a rock burst risk of a soft coal roadway posterior. The method comprises the following steps of firstly dividing a high-stress zone of a roadway in a rock burst appearing zone of a roadway posterior during tunneling of a soft coal roadway; then punching anchor cable holes and installing anchor cables in the high-stress zone, wherein during installation, W-shaped steel straps of which the side length is greater than 40cm are firstly arranged on the outer ends of the anchor cables in a sleeving way, then dynamometers are sleeved, and then trays are additionally arranged and are fastened by nuts; observing and recording pressure change situations of the dynamometers in real time, wherein when the interior pressure increment of a coal bed changes suddenly, a sudden change zone is verified to have the rock burst risk. Because of large contact area between the adopted W-shaped steel straps and coal wall surface, the steel straps change obviously when the interior pressure increment of the coal bed changes suddenly, the dynamometers have sensibility, and the rock burst risk of the soft coal roadway posterior can be judged according to the characteristics of easiness in stress expansion and occurrence of sudden change of a soft coal bed.

The invention provides a bed changing device for a critical patient. The bed changing device comprises a supporting mechanism, a walking mechanism, a lifting mechanism, a hoisting mechanism, an auxiliary supporting mechanism, a driving mechanism and a control mechanism. The walking mechanism is arranged on the supporting mechanism; the lifting mechanism is arranged on the walking mechanism; the hoisting mechanism is arranged on the lifting mechanism; the auxiliary supporting mechanism is arranged on the lower portion of the hoisting mechanism; the driving mechanism is arranged on the supporting mechanism and matched with the walking mechanism; the control mechanism is arranged on the driving mechanism and used for controlling operation of the lifting mechanism. In application of the bed changing device, bedding can be fixed and tightened directly; the patient laying on the bedding can be lifted together with the bedding by the lifting mechanism while the limbs of the patient can be supported; the patient is then moved to a hospital bed through the walking mechanism; thus, labor intensity of medical staff in moving the patient to the other hospital bed is lowered, and uncomfortablefeelings of the patient caused by improper force from the medical staff and imperfect cooperation between the patient and the medical staff during transferring is also reduced.

The invention discloses a bed changing cart. The bed changing cart comprises a cart body, and further comprises a guide part and a transferring mechanism. The guide part is of a telescopic structure,and the guide part is fixedly connected with the cart body; the transferring mechanism is located on the side, away from the cart body, of the guide part and can slide relative to the guide part; thetransferring mechanism comprises a bed surface used for bearing a patient and a driving assembly for driving the bed surface to move. The guide part is of the telescopic structure, one end of the guide part can extend to an operating table or a sickbed, and then the transferring mechanism slides to the operating table or the sickbed along the guide part. The driving assembly drives the bed surfaceto move so as to transfer the patient, and the bed changing cart is convenient to operate and can greatly reduce the pain of the patient in the transferring process.

The invention discloses detachable bed changing cloth. The cloth is divided into two pieces, zippers are sewed on the sides of the two cloth pieces, and under closing of the zippers of the two cloth pieces, the two cloth pieces are connected into the bed changing cloth; pulling handles are fixed to the two long sides of the bed changing cloth, in the using process, the bed changing cloth is laid on a bed after the operation, and when a patient needs to be moved to another bed, carriers pull the pulling handles on the two sides of the bed changing cloth upward and lift the patient to move to another bed; after the patient lies on the bed, the zippers are unzipped, then the two cloth pieces are slowly pulled from the two sides of the patient, therefore it is avoided that the body of the patient is twisted, and the position of the body of the patient is uneven, and the defects that after the operation, in the bed changing process, the patient can be pained, and the incision is ripped areovercome.

The invention relates to a high-precision invasive blood pressure monitoring device which comprises a reflection column for being flush with the central position of the heart of a patient lying on a backboard of an operating bed in the vertical direction and a first support arranged on one side in rear of the backboard. A horizontal platform for placing an energy converter is arranged on the top of the first support, a rotating shaft is arranged on the horizontal platform vertically, the lower end of the rotating shaft is rotatably connected with the horizontal platform while the upper end ofthe same is fixed with a laser ruler capable of horizontally emitting laser, a rotating angle sensor for monitoring rotating angle of the rotating shaft is arranged on the horizontal platform, an inclination angle sensor for monitoring inclination angle when the backboard turns leftwards, rightwards, forwards and backwards is arranged at the bottom of the backboard, and the energy converter, the laser ruler, the rotating angle sensor and the inclination angle sensor are all electrically connected with a controller. The device has the advantages that by arranging the laser ruler, a reflection column, a corner sensor and the inclination sensor, height difference between the heart of a patient and the energy converter caused by bed changing can be acquired in real time by a processor throughcalculation, and a blood pressure value acquired by the energy converter is corrected to acquire an accurate blood pressure value.