70 results about "Structural balance" patented technology

An adjustable sacral and spinal support assembly is provided that can be used in a variety of seat types. The support assembly includes both a sacral support section and in some situations, one or more complementary spinal support sections located in other areas of the seats. The sacral support section is adapted to support the sacrum of a seated user. A method is also provided for delivering primary support to a user's sacrum and sacral-pelvic anatomy, and in select situations, secondary support to one or more of the remaining regions of the spine and/or adjacent anatomy. The support assembly is designed to produce proper spinal positioning of seated individuals to reduce fatigue, increase comfort, structural balance, stability, and posture control for a seated user. The system also adjusts and controls the load distribution from the sacral anatomy to the spine and other anatomical structures adjacent a user's sacrum, for example, the pelvis, lumbar, thoracic and cervical regions, and includes both automatic and manual adjustment systems.

A sacral support assembly for use with a seat is provided. The seat includes a seat frame. An adjustable sacral support assembly is connected to the seat frame. The sacral support assembly includes a sacral support member adapted to support the sacrum of a seated user even when an obstruction is located between the user and the sacral support assembly. A method is also provided for delivering primary support to a user's sacrum and sacral-pelvic anatomy and secondary support to the remaining regions of the spine and/or adjacent anatomy to reduce fatigue, increase comfort, structural balance, stability, and posture control for a user, and a system for adjusting and controlling the load distribution from the sacral anatomy to the spine and other anatomical structures adjacent to a user's sacrum, for example, the pelvis, lumbar, thoracic and cervical regions.

The invention provides a high stability heavy-duty clamp, which consists of a pushing rod 1, a connecting rod 2, clamp arms 3, a clamp head 4, a stander 5 and a pulling rod 6, wherein the clamp arms 3, the clamp head 4, the stander 5 and the pulling rod 6 form a parallelogram mechanism. When the opening amount of a clamp mouth changes, the clamp head 4 always keeps at a horizontal position to limit the declination angle of a forging piece in the vertical clamping so as to improve the clamping stability of the clamp; the pulling rod 6 of the clamp bears most of the loading torque, reduces the actual work tension and improves the bearing capability of the clamp by more than one time accordingly; the clamp improves the bearing capability by more than 29 percent by using the property of the response blind area of reaction force; and the clamp makes the centrifugal force produced by the front arm part (a front arm 3, the clamp 4 and the pushing rod 6) and the rear arm part( a rear arm 3 and the connecting rod 2) counteract by structure balance, and avoids weakening the pre-tightening holding force by the centrifugal force, so the clamp not only can ensure the clamping stability, but also can rotate quickly to improve the operating speed of the heavy-duty forging machine and improve the production efficiency.

The invention relates to soil conditioner containing sugar refinery alcohol waste liquor, filter mud and peat. The soil conditioner is characterized by being prepared from sugar refinery alcohol waste liquor, the sugar refinery filter mud and the peat at a ratio of (4000-6000):(300-500):(50-150) in parts by weight. The soil conditioner disclosed by the invention has the advantages of balanced influence can be provided for crops; the structural balance of soil is optimized; and the adequacy of the soil nutrient can be kept for a long time.

The invention relates to a mechanical arm. The mechanical arm comprises a mechanical arm body and a mechanical claw located at the tail end of the mechanical arm body. The mechanical claw comprises an installing base. The installing base is provided with a mechanical arm clamping claw, a claw driving device used for driving the mechanical arm clamping claw to be closed and opened, and a connecting rod mechanism connected with the mechanical arm clamping claw and the claw driving device. The connecting rod mechanism comprises a sliding block structure driven by the claw driving device to move in a guiding manner in the front and back directions. The sliding block structure is connected with the output end of the claw driving device through a connecting arm. The connecting arm comprises a first connecting section fixedly connected with the output end of the claw driving device and a second connecting section fixedly connected with the sliding block structure. The second connecting section extends in the guiding moving direction of the sliding block structure, and the end, deviating from the first connecting section, of the second connecting section is located on the side, close to the claw driving device, of the first connecting section. The mechanical arm can be used for solving the technical problem that due to the fact that the size of a mechanical claw in the prior art is large, the structural balance of a whole mechanical arm is affected.

The invention discloses a micro-torsion mirror driven by one-side unequal height comb teeth, a device layer of the mirror is used for manufacturing a movable mirror surface structure of the micro-torsion mirror and a reflecting layer and a torsional supporting beam of the movable mirror surface structure and structures including a fixed anchor point, a dynamic and static comb teeth pair, a static comb anchor point, a pad and the like; a substrate layer is used for manufacturing a back cavity; and a buried oxide layer is used for electrical isolation between the device layer and the substrate layer. For solving the problem that the oscillation starting direction of the micro-torsion mirror driven by equal height comb teeth manufactured by SOI is uncontrollable and can not identified through capacitance detection, the thickness of the comb teeth is changed, the dynamic comb teeth and static comb teeth on one side of the torsional supporting beam are manufactured as an unequal height comb teeth pair, the other side maintains an equal height comb pair, the capacitance maximum value position of the comb teeth pairs on the two sides of the torsional supporting beam is deviated a structure balance position of the movable mirror surface structure, the oscillation starting direction the manufactured micro-torsion mirror is ensured, the direction information is provided through the capacitance detection, so that the closed-loop control is realized.

The invention discloses an intermittent sodium removal and purification method for high-sodium coal. According to the method, the temperature and pressure intensity in a reaction vessel are changed multiple times, so that high-sodium coal is compressed and expanded multiple times in the purification vessel under the action of violent change of the temperature and pressure, the structural balance of the raw coal is destroyed repeatedly, sodium and other alkali metals in the surfaces and capillary bores of the high-sodium coal can quickly migrate and be dissolved, and a large amount of elements (such as alkali metals, including sodium, potassium, mercury and sulfur) and ashes migrate or are dissolved in a water-based washing solution, thereby achieving the purpose of upgrading and purifying the raw coal.

The invention relates to a diversion blasting construction method of an intertidal zone blasting displacement bank. The method comprises the following steps: (1) dumping filling a bank body according to a design and construction scheme; (2) calculating for blasting operation design; (3) reserving a silt pack bulged on the head end of the bank, and utilizing the silt pack as one part of an upper overburden load; (4) extracting and guiding water on the periphery of the silt pack into a V-shaped channel; (5) embedding explosive, and detonating; (6) continuously throwing stones, and stopping the throwing of stones in a sliding manner after reaching the balance; (7) throwing filling stones of the needed quantity for the next blasting operation on the bank end, continuously throwing filling stones behind the bank end until the structural balance of the bank body reaches the designed standard height, and arranging a slope by utilizing a construction machine; (8) preparing the next blasting, and thus cycling. By adopting the method, the construction progress of the intertidal zone blasting displacement bank can be accelerated, the engineering cost is reduced, the blasting and displacement bottoming effect is good, the construction process is simple, the tidal establishment operation is not needed, the explosive is more convenient to bury, the construction process has an important significance on guaranteeing the construction quality and accelerating the construction process, and the popularization value is remarkable.

The invention provides a casting technique of a balance shaft bracket. The technical core of the casting technique is that a casting system is arranged, that is, a one-die two-part structure is adopted, two balance shaft bracket models are symmetrically arranged, an ingate extending up and down is arranged on the side of a balance shaft connecting part with a V-shaped structure of each balance shaft bracket model, and three inner gates are formed in the lower surface of the ingate, and are directly connected with the balance shaft bracket models; then, the ingate is connected with a horizontal sprue, a straight sprue and a sprue cup; and feeding risers are separately arranged at two ends of a frame connecting part of each balance shaft bracket model. A lateral casting way is adopted, and through dispersed casting of the upper inner gate, the middle inner gate and the lower inner gate and the advantages of lateral casting and bottom casting, the cast balance shaft bracket casting has no defects of sand holes, included slag, sinkholes and shrinkage porosity; and moreover, the one-die and two-part structure is adopted, and the production efficiency is improved.

The invention discloses a method of solving a symbol network structural balance problem by particle swarm optimization based on decomposition, which is used for mainly solving problems existing in the prior art during complex symbol network structure processing procedures. The method comprises the following steps of (1) determining an objective function; (2) constructing an initial solution population; (3) sequentially using a particle swarm optimization algorithm to update individual speeds and positions; (4) using offspring individuals to update the solution population; (5) using neighborhood information to update neighbor populations; (6) judging whether to terminate: if the iteration times can satisfy preset times, then executing the step (7), otherwise, moving back to the step (3); (8) according to acquired network division, selecting a community with minimum imbalance variables and changing imbalance edges to make a network reach a balance state. By means of the method, more accurate symbol network division more according with facts can be achieved An optimum network structure is further acquired. Imbalance edges are changed to make imbalanced networks reach a balance state.

The invention relates to the technical field of social network services, and discloses a symbol network community discovery method based on structural balance constraint. The method comprises the steps of representing a symbol network in a graph form, constructing a symbol network adjacent matrix, setting structural balance constraint information, constructing a community discovery model based onsemi-non-negative matrix decomposition, solving the community discovery model, and obtaining a community discovery result. According to the method, the structure balance constraint relation of nodes is obtained based on the structure balance theory; and then the structure balance constraint relation serving as a regular constraint term is incorporated into a symbol network community discovery model based on semi-non-negative matrix decomposition to solve the node community indication matrix, and finally, a community division result is obtained by judging the node community attribution intensity, so that the community discovery quality is further improved.

The invention provides a ventilation structure of a sealed household plant growth cabinet and belongs to the field of ventilation structure. The ventilation structure is arranged on the sealed household plant growth cabinet; the sealed household plant growth cabinet comprises planting disks for planting plants and side surfaces connected with the planting disks; the ventilation structure of the sealed household plant growth cabinet comprises an air supply device, an air inlet and an air outlet; the air supply device is arranged at the air inlet of the sealed household plant growth cabinet; the air inlet and the air outlet are respectively formed in two surfaces of the sealed household plant growth cabinet; air flows through the air inlet and the air outlet to form an S-shaped path. The ventilation structure has the beneficial effects that plants can be in balanced ventilation; the uniformity of air compositions, the structural balance practicability and beautiful appearance are ensured, the uniformity of airflow in the plant growth cabinet with multiple layers of planting is ensured, and the plant growth tendency is uniform.

The invention belongs to the field of transportation and relates to a multifunctional combined structural balance bike. The multifunctional combined structural balance bike comprises a handle, an intelligent information display screen, a telescopic drive rod, a foldable joint, a splash guard, a charging and balancing indication lamp panel, a footrest pad, a detachable sitting cushion, rear tires, shock absorbers, a rear frame, a quick-connecting plug, a front chassis, front tires, an illuminating lamp, a speed changing box, a brushless servo motor, an integrated circuit board and a lithium battery pack. Due to the fact that a rear frame structure module is added for the multifunctional combined structural balance bike, a user can optionally switch a two-wheel mode or a four-wheel mode according to usage scenarios, and a driver can select a sitting posture or a standing posture for riding according to environments and usage habits. Due to the fact that the frame is provided with the shock absorbers and the off-road tires, the bike can effectively eliminate jolt feeling caused by the road surface, and the trafficability can be also greatly improved.

The invention relates to a hydraulic driving control device of a hoister and a manufacture method thereof. The hydraulic driving control device comprises a hoister structure, a hydraulic cylinder, a notch positioning plate, a structural tube, a guide pipe, a guider, a traction pulley seat as well as a traction pulley, a pushing pulley seat as well as a pulley and a piston connection device, and has the location guiding balance control function; a hydraulic driving transmission control device of the hoister, which has structural balance control and locating guide function, is implemented; a hydraulic driving mechanism which realizes the single-cylinder pushing-pulling bi-directional action, the lifting running and the stroke amplification and the operation mechanism are adopted; when ascending, a hydraulic driving piston pushes the guider to lift a drawing chain to draw a bearing structure to move upwards; and when descending, the hydraulic driving piston pulls the guider, and the drawing chain draws the bearing structure to move downwards. The lifting drive form is changed, the power is small, the energy consumption is low, the cost is low, the structure is simple, safe and reliable, the operation is smooth, and the hydraulic driving control device is suitable for the installation and application on multiform hydraulic hoisters.

The embodiment of the invention discloses an image recognition method, an apparatus, a device and a computer-readable storage medium. The method comprises the following steps of: describing a gray-scale image based on a structure balance network of an image to be recognized, and obtaining an initial structure balance matrix of the image to be recognized; the initial structural balance matrix and the pre-constructed variable structural balance matrix being used as hadamard product to change the structural balance matrix, and the target structural balance matrix being obtained. The characteristic parameters of the target structure balance matrix are extracted to be used for target recognition of the image to be recognized. The characteristic parameters are the average value of the positive connection strength and the average value of the negative connection strength of the target structure balance matrix. The technical proposal of the application does not consider the topological structure of the network, simplifies the complexity of the network model, reduces the amount of computation, enhances the noise tolerance of the identification method, and thereby improves the speed and theidentification accuracy of the image identification; The gray value is used as the connection strength in the structural balance network, which improves the discrimination of the recognition target and the recognition rate.

The invention provides an airbag which can deploy an airbag body part with good structural balance. The airbag is provided with a bag-shaped airbag body (12), and the airbag body (12) is provided with: a gas introduction unit (15) into which gas is introduced; a plurality of gas chambers (19) that expand by introducing gas from the gas introduction unit (15); and a gas guide part (20) that guidesthe gas introduced from the gas introduction part (15) to the gas chambers (19). The gas guide part (20) is provided with: a first gas guide section (27) that guides gas in a first direction (X) alongthe deployment direction of the airbag body (12); and a plurality of second gas guide parts (28) which are positioned in the vicinity of the end parts (27b) of the first gas guide section (27), respectively, and which branch the gas in a second direction (Y) intersecting the first direction (X).

The invention discloses a non-ionic reaction epoxy resin emulsifying agent and a preparation method thereof. The preparation method includes the steps: adding cardiac phenol polyether into a reactionkettle, and heating and melting the cardiac phenol polyether; sequentially adding a catalyst I and bisphenol A epoxy resin, uniformly stirring and mixing materials, and performing closed reaction until an epoxide equivalent index reaches a theoretical constant value; diluting mixture to reach neutral by alkaline solution to obtain the non-ionic reaction epoxy resin emulsifying agent. According tothe preparation method of the non-ionic reaction epoxy resin emulsifying agent, a technological process is simple, a reaction process is easily controlled, the bi-functional cardiac phenol polyether serves as a raw material, epoxy ring-opening reaction between the bi-functional cardiac phenol polyether and the bisphenol A epoxy resin is creatively implemented, so that the prepared non-ionic reaction epoxy resin emulsifying agent is high in structural balance, high in curing degree, excellent in comprehensive performance and wide in market prospect, and the corrosion resistance of the emulsifying agent is effectively improved.

The invention relates to a dam-passing navigation arrangement structure of an upstream launching type ship lift. The structure comprises an upper lock head, a ship lift main body section, main liftingequipment and a ship reception chamber, and the ship lift main body section comprises a ship lift ship chamber, a raft foundation, a full-closed cylinder structure, a balance weight well and a main lifting equipment machine room; the main lifting equipment is arranged in the main lifting equipment machine room; a balance weight which vertically ascends and descends is arranged in the balance weight well; the ship reception chamber is arranged in the ship lift ship chamber; when the ship reception chamber is positioned at the lower limit of the ship lift ship chamber, the balance weight is just positioned at the upper limit of the balance weight well; and when the ship reception chamber is positioned at the upper limit of the ship lift ship chamber, the balance weight is positioned at thelower limit of the balance weight well. A navigation line can be flexibly arranged, and the arrangement requirement of a high-water-head arch dam hub is met; the characteristics of large water level variation amplitude, high water level variation rate and the like which are common in hub engineering in alpine and canyon regions can be adapted; meanwhile, extra construction of a large-scale water retaining building and an anti-seepage system can be avoided.

The invention discloses a design method of a wind power blade in view of pneumatic and structural balance, belonging to the technical field of wind power blade design. The design method comprises the steps of: 1) dividing the designed blade into an inner ring and an outer ring according to the wind power unit blade and unit parameters; 2) choosing the pneumatic wing section of the inner ring blade; 3) choosing the pneumatic wing section of the outer ring blade; 4) calculating and optimizing the pneumatic appearance of the blade; and 5) designing the structure of the main beam of the wind power unit blade. The design method has the following beneficial effects: 1) the contradiction between the pneumatic design and the structural design is solved by considering the demand of structural strength in the pneumatic design process by means of dividing the blade into an inner ring and an outer ring and choosing a relatively thicker wing section for the inner ring; and 2) the structural strength of the blade is effectively improved by means of designing a shear web of the main beam in the inner ring of the blade into a waveform shape in the structural design of the main beam of the blade.