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81results about How to "Reasonable support" patented technology

Computer chair beneficial to health of human body

The invention relates to a computer chair beneficial to the health of a human body. The computer chair beneficial to the health of the human body is characterized in that a cushion mechanism of the chair mainly comprises a fixed bottom plate, a cushion bottom plate and a bolster, wherein the bolster is adhered to the cushion bottom plate; a compression spring located at the front end of the fixed bottom plate is used for connecting the fixed bottom plate with the cushion bottom plate above; a lumbar pad is arranged between a backrest bracket and a movable cushion, and is connected with the cushion bottom plate through an L-shaped bracket; a hinge is located at the back ends of the fixed bottom plate and the movable cushion and is used for connecting the fixed bottom plate with the cushion bottom plate; or a rotating shaft is arranged at a turning place of the L-shaped bracket; torsion springs are mounted on the rotating shaft in a sleeving manner; a hinge is arranged at a place which has a distance of more than 0 to the back end of the movable cushion but less than 1/3 of the length of the movable cushion, and is used for connecting the cushion bottom plate with the fixed bottom plate. According to the computer chair beneficial to the health of the human body, a headrest, armrests and leg pads are subjected to improved designs at the same time, so that the fatigue during working can be relieved through the computer chair, and the health of the human body is facilitated.
Owner:EAST CHINA UNIV OF SCI & TECH

Water-drive pool seepage field visual representation and evaluation method based on flow field diagnosis

ActiveCN110259444AIncrease the level of storage water driveLess subjective involvementConstructionsDesign optimisation/simulationPropagation timeOil field
The invention discloses a water-drive pool seepage field visual representation and evaluation method based on flow field diagnosis, and belongs to the field of oilfield flooding development adjustments. A target reservoir geological model is established, and flow exchange capacity among grids of the target reservoir geological model is calculated; according to the flow exchange capacity among the grids, seepage field propagation time distribution is calculated, numerical value tracer materials are calculated, and according to numerical value tracer material distribution, different injection well affected areas and production well control areas are divided; according to the propagation time size, grid joints in different areas are sorted, and a flow capacity-accumulation capacity diagnosis graph is made to evaluate flow heterogeneity in different areas; and according to three evaluation indicators of the flow heterogeneity, average oil saturation and pore volumes in different areas, development potential in different areas is evaluated. According to the water-drive pool seepage field visual representation and evaluation method based on the flow field diagnosis, the problems of low accuracy and poor convergence under complex geological conditions in an existing seepage field evaluation method are solved.
Owner:SOUTHWEST PETROLEUM UNIV

Bevel gear universal reducer

The invention discloses a bevel gear universal reducer which comprises a driving shaft bevel gear, a middle shaft first bevel gear, a middle shaft second bevel gear, a driven shaft bevel gear, a driving shaft fork, a driven shaft fork, a driving shaft, a middle shaft, a driven shaft and a plurality of rotating hinges. The driving shaft and the driven shaft are perpendicular to the middle shaft in a coplanar mode, and the driving shaft is crossed with the driven shaft in a coplanar mode. The driving shaft is hinged with the driving shaft fork through a rotating hinge, and the driven shaft is hinged with the driven shaft fork through a rotating hinge. The middle shaft is respectively hinged with the driving shaft fork and the driven shaft fork on the same axis through four rotating hinges. The two pairs of bevel gears are respectively used for transmitting motive power. The bevel gear universal reducer breaks the limitation that an existing reducer only can achieve transmission conversion between two crossed shafts with fixed relative positions, the reducer has adaptivity to change of a crossed axis angle, a universal transmission mechanism does not need to be additionally arranged, reduction or reverse speed-up transmission can be conducted on two random crossed shafts, changing within a certain range, of the crossed axis angle, structure is simple, and operation is reliable.
Owner:TONGJI UNIV

Insect-damage-resistant major element water-soluble fertilizer

The invention discloses an insect-damage-resistant major element water-soluble fertilizer. The insect-damage-resistant major element water-soluble fertilizer is prepared from the following raw materials in parts by weight: 15 to 20 parts of urea, 30 to 45 parts of dipotassium phosphate, 25 to 30 parts of potassium sulphate, 5 to 8 parts of magnesium nitrate, 4 to 8 parts of fly ash silicon-calcium fertilizer 0.09 to 0.5 part of compound sodium nitrophenolate, 2 to 4 parts of amidosulfonic acid, 1 to 3 parts of humate, 2 to 4 parts of sodium tartrate, and 2 to 10 parts of polybasic chelate micro element fertilizer; the polybasic chelate micro element fertilizer is a micro element fertilizer processed by a polybasic composite chelating agent; the polybasic composite chelating agent is a composition of polypeptide and organic phosphate. The insect-damage-resistant major element water-soluble fertilizer is reasonable in compatibility, and is added with elements of magnesium, calcium and the like and various micro elements while providing three major elements of nitrogen, phosphorus and potassium for crops, so that nutrition supply is more comprehensive and balanced, influence of insect damage is reduced, meanwhile, a fertilizer effect is reinforced and yield is improved.
Owner:安徽康坶国际化肥股份有限公司

Intelligent system for ill-conditioned psychological detection and evaluation

The invention belongs to the technical field of intelligent detection and evaluation, and particularly relates to an intelligent system for ill-conditioned psychological detection and evaluation. Theill-conditioned psychological detection and evaluation intelligent system comprises a simulation scene module, a state monitoring module, an analysis and evaluation module, a treatment module, a treatment feedback module and a display module. The system further comprises a vital sign detection module, a scale evaluation and heart rate qualitative analysis module, a psychological counseling module,a language suggestion and automatic music playing module, a treatment result module, a treatment condition module, a treatment problem and solution module, a detection state display module, a scale evaluation display module and a warning prompt display module. Through on-site scene simulation, vital signs of a consultant under the psychological disorder condition are accurately collected in time,scale evaluation is carried out, the two are combined, the most accurate result is obtained, and an optimal psychological counseling mode and a treatment scheme are provided for the consultant. By improving functionality, reducing subjectivity and enlarging the application range, good news is better provided for adolescents and even whole society human beings.
Owner:SHANXI MEDICAL UNIV

Superconduction outer rotor motor towed disc shearing device

The invention discloses a superconduction outer rotor motor towed disc shearing device, and belongs to the technical field of metallurgy engineering. The device is characterized by comprising a vacuumone-way valve, a cutter head, an outer cylinder block, left and right annular end covers, an inner cylinder barrel, a superconduction outer rotor motor, and a 3D printing space bracket; the inner cylinder barrel sleeves the superconduction outer rotor motor through key connection; the outer cylinder block with a boss on the periphery sleeves the outer side of the inner cylinder barrel; the left and right annular end covers are connected with the left and right end surfaces of the inner cylinder barrel the outer cylinder block through left and right screw sets, and the 3D printing space bracket is mounted in an annular cavity formed therebetween; air is extracted through the vacuum one-way valve in the annular cavity to realize a heat resistance vacuum environment; the 3D printing space bracket can prevent deformation and inward sinking under the effects of atmospheric pressure and shearing force; the superconduction outer rotor motor is applied to tow, so that the superconduction suspension of an outer rotor relative to a stator can be realized; and through control of a magnetic field of the stator, the cutter shearing force control is realized, so that the shearing end surface quality is guaranteed.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Novel landscape plank road

The invention relates to a novel landscape plank road. The novel landscape plank road comprises transverse supporting beams, longitudinal supporting beams and tempered glass. The transverse supporting beams and the longitudinal supporting beams are supported through corresponding supporting mechanisms, road surface installing grooves with the height equal to the thickness of the tempered glass are formed in the inner sides of the transverse supporting beams and the inner sides of the longitudinal supporting beams respectively, and the tempered glass is embedded in the road surface installing grooves in the transverse supporting beams and the longitudinal supporting beams to be laid on the transverse supporting beams and the longitudinal supporting beams; corresponding reinforcing ribs are arranged below the tempered glass in the transverse direction at intervals of 40 cm to 60 cm, and the reinforcing ribs are formed by wrapping foam filler with glass fiber reinforced plastic accumulation layers. Corresponding reinforcing rib installing grooves are distributed in the longitudinal supporting beams, and the two ends of each reinforcing rib are arranged in the corresponding reinforcing rib installing grooves in the longitudinal supporting beams. On the premise that the service life is guaranteed, the tempered glass is adopted as the road surface of the plank road, and thus tourists can enjoy the sight of landscape below.
Owner:CHENGDU JIAMEIJIA SCI & TECH

Elastic bed board bar for bedstead

InactiveCN105559421ALow costWith soft elasticitySpring mattressesFiberEngineering
The invention relates to an elastic bed board bar for a bedstead. The elastic bed board bar comprises a triangular prism-shaped plastic batten body used for constituting an elastic bed board, and a glass fiber core part arranged in the plastic batten body to serve as main bearing force, wherein the cross section of the glass fiber core part is in the shape of H, and inner cavities are formed in the plastic batten body and located on the two sides of the glass fiber core part. The elastic bed board bar is composed of the plastic batten body made of a thermoplastic material and the glass fiber core part and is soft and elastic, and as a component of a mattress, the elastic bed board bar is simple in structure, soft and elastic, convenient to install and capable of being directly arranged on a bed frame to form the elastic bed board; furthermore, the strength of the main core part and the hardness of the elastic bed board bar can be selected according to the body type of a user, the cost of the mattress is reduced, and the human skeleton is supported reasonably and effectively according to natural curvature; the elastic bed board bar has the advantages of being high in elasticity and endurance, capable of preventing deformation and breakage, and capable of increasing the inside and outside air convection of an elastic mattress structure and prolonging the service life of the elastic mattress structure.
Owner:OKE PLASTIC ZHANGJIAGANG

Folding bed

The invention relates to a folding bed, which comprises mattress fabrics and a bracket. The bracket is provided with two side vertical surfaces, and related vertical surfaces, which are connected with the two side vertical surfaces, wherein each of the two side vertical surfaces is provided with three groups of oblique rod units, including two end oblique rod units and a middle oblique rod unit; the two end oblique rod units are hinged together with an oblique rod unit in the related vertical surface through an upper angle plate and a lower angle plate; a vertical rod is movably positioned on a crossed hinging point of two oblique rods in the two end oblique rod units; a connecting plate is hinged on the upper end part of the vertical rod; horizontal rods are respectively hinged in two horizontal directions of the connecting plate; the other end of each horizontal rod penetrates through the upper angle plate of the vertical surface on the same side and is hinged with the upper angle plate; one horizontal rod in the two end oblique rod units extends to the end part of the middle oblique rod unit and is hinged with the end part through a hinge plate; the end parts of the oblique rods in the middle oblique rod unit are hinged on the oblique rods in the two end oblique rod units; and both sides of the mattress fabrics are positioned on the horizontal rods of the two side vertical surfaces. The folding bed has the advantages of reasonable proportion of length to width of a bed body, stable support on both ends and neat height after folding.
Owner:郑世平

Direct-current motor armature commutator dynamic pressure overspeed testing machine

The invention discloses a direct-current motor armature commutator dynamic pressure overspeed testing machine, and relates to devices for dynamic pressure overspeed tests after armature commutators of various direct-current motors of railway locomotives are assembled. The direct-current motor armature commutator dynamic pressure overspeed testing machine is mainly used for solving the problems that an existing vertical type overspeed machine is unstable in rotation, high in shock, high in equipment failure rate and low in efficiency when commutator high-speed overspeed experiments are carried out. According to the direct-current motor armature commutator dynamic pressure overspeed testing machine, a power output shaft is fixed on a double-support base through a bearing, the two ends of the power output shaft are connected with spigots of dummy shafts through flanges respectively, the other ends of the dummy shafts are fixed on double dummy shaft supporting points through bearings, constant-temperature overspeed boxes are symmetrically arranged on the two sides, in the axial direction, of the power output shaft, and the dummy shafts are arranged in the constant-temperature overspeed boxes respectively. The direct-current motor armature commutator dynamic pressure overspeed testing machine is convenient to operate, stable in shafting supporting and low in equipment failure rate, and can carry out overspeed tests on two commutators at the same time or one commutator.
Owner:襄阳中车电机技术有限公司

Supporting roll device dragged by superconductive outer rotor electric machine

The invention provides a supporting roll device dragged by a superconductive outer rotor electric machine, and belongs to the technical field of metallurgical engineering. The supporting roll device is characterized by comprising a vacuum check valve, a roll sleeve, an outer cylinder body, an inner cylinder, left and right annular end caps, the superconductive outer rotor electric machine and a 3Dprinting spatial support. According to connection relations, the superconductive outer rotor electric machine is sleeved with the inner cylinder, the outer circumference of the inner cylinder is sleeved with the outer cylinder body, the left and right annular end caps are connected with the inner cylinder and the outer cylinder body through left and right bolt groups so as to form an annular inner cavity, and the 3D printing spatial support is installed in the annular inner cavity; the outer circumferential surface of the outer cylinder body is sleeved with the roll sleeve, the vacuum check valve communicated with the annular inner cavity is installed in the middle of the right annular end cap, and the annular inner cavity is vacuumized through the vacuum check valve. According to the supporting roll device, a thermal-resistant vacuum environment is achieved, the 3D printing space supporting structure is arranged in the cavity, and a reasonable supporting effect is ensured; a superconductive magnetic suspension structure is formed between a stator and an outer rotor of the superconductive outer rotor electric machine, by adjusting the motor stator current, the supporting and carrying capacity is controlled, and the effect of the supporting roll is achieved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Rolling friction trapezoidal screw rod

The invention belongs to the field of trapezoidal screw rod driving, and relates to manufacturing of a rolling friction trapezoidal screw rod. The rolling friction trapezoidal screw rod is newly characterized by being formed by two large parts: a trapezoidal screw rod and a rolling friction nut, wherein the rolling friction nut is formed by a nut shell, a trapezoidal screw rolling element and a bearing; the nut shell is connected and fixed with multiple trapezoidal screw pillar rolling elements with screw pitch leads being the same as a screw pitch lead of the trapezoidal screw rod through a bearing; the trapezoidal screw pillar rolling elements are circumferentially distributed in a planet surrounding way in the axial direction of the trapezoidal screw rod and are mutually embedded and enclasped; when the trapezoidal screw rod rotates and the rolling friction nut is fixed, the trapezoidal screw pillar rolling elements self-rotate synchronously along with the trapezoidal screw rod; andmeanwhile, through a screw drive principle, the rotary power of the trapezoidal screw rod is transmitted to the load-carrying nut shell through the bearing, and the rolling friction trapezoidal screwrod is a mechanical product for converting the rotation motion of the trapezoidal screw rod into the straight reciprocating motion of the nut. The rolling friction trapezoidal screw rod provided by the invention becomes a second high-quality type followed in a sliding friction trapezoid screw rod, namely, a common trapezoid screw rod, has a self-locking function, and is reasonable in design and wide in application.
Owner:侯金网

Horizontal well profile control effect evaluation method based on fuzzy comprehensive evaluation and analytic hierarchy process

The invention discloses a horizontal well profile control effect evaluation method based on fuzzy comprehensive evaluation and analytic hierarchy process, and belongs to the field of horizontal well water shutoff and profile control. Injection pressure, a water absorption index, a Hall curve slope, a water well profile control variable coefficient and a water absorption profile homogeneity coefficient are selected as a factor set of horizontal well water shutoff and profile control effect evaluation indexes, and the evaluation results are divided into four grades of good effectiveness, relatively good effectiveness, general effectiveness and no effectiveness to form a comment set. The method also includes calculating the membership degree of each factor in the factor set to the evaluation result according to the membership function, and constructing an evaluation matrix; analyzing the weight occupied by each factor in the judgment result by using an analytic hierarchy process to obtain a weight set; and based on a weighted average model, obtaining a membership degree of the evaluation result to the evaluation grade, and determining a final comprehensive evaluation grade according to a maximum membership degree principle. The invention solves the problems that an existing horizontal well water shutoff and profile control evaluation method is diversified in result and poor in comprehensiveness.
Owner:SOUTHWEST PETROLEUM UNIV
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