42results about How to "Optimized load distribution" patented technology

The invention relates to a pull-out guide (4) for drawers (3a, 3b) comprising a first rail and at least one second rail (6, 7), at least one carriage (8) being arranged between said two rails (6, 7). The carriage comprises a bearing group (9a, 9b) containing load-transmitting elements (10, 10a), preferably rollers, rolling bodies and / or balls. The load-transmitting elements (10, 10a) guide the bearing group (9b) in the vertical direction and in the horizontal direction. At least one additional load-transmitting element (12) is arranged on a bracket (15), at a distance from the bearing group (9b). When the second rail (7) is pulled out, the additional load-transmitting element (12) can at least partially move out over the end of the first rail (6), such that it no longer lies on the first rail (6).

The invention discloses a non-avoiding stereo parking garage rising and falling along rails and provided with extending-retracting supporting systems. The non-avoiding stereo parking garage comprisesthe extending-retracting supporting systems, a three-layer vehicle carrying plate system, a frame and a chain driving system. Chains in the chain driving system are arranged in the frame rails and driven by a speed reducing motor. Rear end stretching shafts in the three-layer vehicle carrying plate system are hinged to the chains and can make rising-falling movement along the rails. The extending-retracting supporting systems can support the front end of the three-layer vehicle carrying plate system, and movement of the extending-retracting supporting systems can cooperate with the movement ofthe chains so as to enable the three-layer vehicle carrying plate system to fall horizontally. A linear movement part and a rotating movement part are arranged in the three-layer vehicle carrying plate system. It is guaranteed that interference in the three-layer vehicle carrying plate system in the falling process is avoided through the linear movement part. Vehicle-carrying rotating of the three-layer vehicle carrying plate system during falling on the ground is achieved through the rotating part. Double-layer non-avoiding parking and picking-up of vehicles can be achieved, parking and picking-up of the vehicles on the layers are not affected by whether other vehicles are parked on the layers or not, and operation of backing the vehicles into the garage is not needed when the vehicles are parked and picked up on the second layer, thus parking and picking-up are convenient, complete-machine movement is stable and efficient, and safety is high.

The invention discloses a discontinuous cross-section column transferring joint and a construction method thereof. The discontinuous cross-section column transferring joint comprises a joint body which is of a column structure with hollow inside, a cross steel column connected into a column structure of the joint body, an upper end circular cross-section column transition plate connected to the upper end of the joint body, an upper end circular cross-section column connected to the upper part of the upper end circular cross-section column transition plate, a stiffening rib plate I connected between the upper end circular cross-section column and the upper end circular cross-section column transition plate, a lower end square cross-section column transition plate connected to the lower endof the joint body, a lower end square cross-section column connected to the lower part of lower end square cross-section column transition plate, and a stiffening rib plate II connected between the lower end square cross-section column and the lower end square cross-section column transition plate, wherein the outer edge of the cross steel column is connected with the inner wall of the column structure. The discontinuous cross-section column transferring joint has good cross section transition, and the occurrence of stress concentration phenomenon and the generation of anti-seismic weak partscaused by the transition of discontinuous joint steel columns only by single-layer steel plates are avoided.

The invention relates to the technique of prevention of geological hazards, in particular to a debris flow prevention technique. The invention discloses a debris flow multi-stage dissipative blockingstructure, thus damage action of a debris flow can be lowered, and the disaster loss is relieved. According to the debris flow multi-stage dissipative blocking structure, from flowing area of the debris flow to the accumulation area, the debris flow multi-stage dissipative blocking structure is arranged in a step-by-step mode along debris flow channels from the upstream to downstream, and at leastincludes a flexible blocking net, a pile-carrying-type grid wall and a permeable buttress-type gravity dam. According to the debris flow multi-stage dissipative blocking structure, according to different geological conditions, types of the debris flows and the like, the matching structure of the flexible blocking net 2, the pile-carrying-type grid wall 3 and the permeable buttress-type gravity bam is reasonably selected, benefits of the investment in engineering construction can be given full play to the maximum extent, and cost benefit optimization is achieved. The debris flow multi-stage dissipative blocking system is very suitable for prevention of the debris flow disasters.

The invention discloses a flexible blocking net, relates to a protective structure, and provides a flexible blocking net capable of optimizing load distribution and reducing local load concentrating. The flexible blocking net comprises two end supporting columns, a middle supporting column located between the two end supporting columns, a top supporting rope and a metal flexible net body, wherein the top supporting rope and the metal flexible net body are transversely unfolded to be arranged between the two end supporting columns. The top supporting rope is supported by the end supporting columns and the middle supporting column, and a supporting joint is arranged at the portion where the top supporting rope and the middle supporting column intersect with each other. The metal flexible net body comprises a plurality of net holes formed in rows, the row of net holes located at the edge of the metal flexible net body are edge net holes, and the several rows of net holes close to the edge net holes are edge-adjacent net holes. The edge net holes are connected with the top supporting rope in a slideable mode. The edge-adjacent net holes close to the supporting joint are connected with the top supporting rope in a slideable mode through the additional connecting structure. The flexible blocking net can be used for blocking movement objects and particularly can be used for blocking tumbling stone, sliding rock and earth masses, mud-rock flow, snow slide and blasting flying rock.

Planet carrier (18) of an epicyclic gear system (20) with planetary- shafts (8) which are connected fixedly to the planet carrier, onto which planet wheels (6) are. mounted rotatably using planetary bearings, the teeth of the planetary wheels being helical or chevron teeth, the said planet carrier being of the cage type, and where at least two separate planetary- wheels are mounted on each planetary shaft, each wheel of which being supported by at least one double-row tapered roller bearing, the outermost bearing ring of each double- row tapered roller bearing being integrated into the planetary wheel concerned.

The invention discloses a telescopic type composite material telegraph pole connecting structure. The telescopic type composite material telegraph pole connecting structure comprises a plurality of telegraph poles, all the telegraph poles are of hollow structures, all the telegraph poles are sequentially connected in a sleeved mode, the outer side wall diameter and the inner side wall diameter of any two adjacent telegraph poles are matched, and all the telegraph poles are made of composite materials. According to the telescopic type composite material telegraph pole connecting structure, by adopting a sectional type telegraph pole telescopic sleeving structure, the telescopic type composite material telegraph pole connecting structure has the advantages that the telegraph poles are convenient to transport, and meanwhile, the consumption of manpower and material resources is reduced when the telegraph poles are mounted.

The invention relates to a grinding roller having an inclined, fixed inner roller axle (3), a roller jacket (6) being provided on a roller base body (7) . The rotatable roller base body (7) is mounted relatively to the fixed inner roller axle (3) by means of an arranged fixed bearing (11) and a floating bearing (12) which is spaced apart therefrom. The floating bearing (12) is provided in the region of the end face of the roller axle (3) and for supporting the roller base body (7) having the roller jacket (6) so as to allow their rotation, and the fixed bearing (11) is arranged on the roller axle (3) in an outwardly offset manner in the direction of the swing lever (14).

The invention discloses a flexible blocking net, relates to a protective structure, and provides a flexible blocking net capable of optimizing load distribution and reducing local load concentrating. The flexible blocking net comprises two end supporting columns, a middle supporting column located between the two end supporting columns, a top supporting rope and a metal flexible net body, wherein the top supporting rope and the metal flexible net body are transversely unfolded to be arranged between the two end supporting columns. The top supporting rope is supported by the end supporting columns and the middle supporting column, and a supporting joint is arranged at the portion where the top supporting rope and the middle supporting column intersect with each other. The metal flexible net body comprises a plurality of net holes formed in rows, the row of net holes located at the edge of the metal flexible net body are edge net holes, and the several rows of net holes close to the edge net holes are edge-adjacent net holes. The edge net holes are connected with the top supporting rope in a slideable mode. The edge-adjacent net holes close to the supporting joint are connected with the top supporting rope in a slideable mode through the additional connecting structure. The flexible blocking net can be used for blocking movement objects and particularly can be used for blocking tumbling stone, sliding rock and earth masses, mud-rock flow, snow slide and blasting flying rock.

The invention discloses a vacuum perfusion assisting device and a vacuum perfusion process. The vacuum perfusion assisting device comprises a flexible main body which can cover a material paving region on a mold, wherein the peripheral edge of the flexible main body is fixed to the mold; a plurality of cavities are formed in the flexible main body; the plurality of cavities can be filled with a fluid medium. Through the vacuum perfusion assisting device and the vacuum perfusion process provided by the invention, the perfusion speed and resin permeation speed during vacuum perfusion of resin can be increased remarkably, the perfusion time is shortened, and the fiber content at different positions after resin curing can be kept consistent.

The closed type medium-flow high-pressure three-dimensional flow impeller comprises a front disc, three-dimensional flow blades, a flow guide conical disc, a rear disc, a shaft disc and a main shaft, the main shaft is coaxially sleeved with the shaft disc, the main shaft is coaxially sleeved with the rear disc, the main shaft is coaxially sleeved with the flow guide conical disc, and the three-dimensional flow blades are arranged on the front disc. The three-dimensional flow blades are distributed on the side wall of the rear disc in an array mode around the circumference of the main shaft, the front disc is fixedly connected to the sides, away from the rear disc, of the three-dimensional flow blades, a front disc inlet is formed in the center of the front disc, and the front disc sequentially comprises a linear section, an outer arc section and an inner arc section from outside to inside. The invention belongs to the technical field of manufacturing of pulverization and coal discharge fans, and particularly provides a method for designing by applying a quasi-ternary theory. The closed type medium-flow high-pressure three-dimensional flow impeller for the pulverization and coal discharge fan of the iron mill effectively solves the problems that fans commonly used by coal discharge systems of the iron mill are high in operation energy consumption, large in noise and the like.

The invention discloses a vacuum perfusion assisting device and a vacuum perfusion process. The vacuum perfusion assisting device comprises a flexible main body which can cover a material paving region on a mold, wherein the peripheral edge of the flexible main body is fixed to the mold; a plurality of cavities are formed in the flexible main body; the plurality of cavities can be filled with a fluid medium. Through the vacuum perfusion assisting device and the vacuum perfusion process provided by the invention, the perfusion speed and resin permeation speed during vacuum perfusion of resin can be increased remarkably, the perfusion time is shortened, and the fiber content at different positions after resin curing can be kept consistent.

The invention discloses an automatic detection machine for an SMT printing steel mesh. The detection machine comprises a Y-direction translation mechanism, a steel mesh supporting and pressing mechanism, an X-direction translation mechanism, and a detection mechanism. The X-direction translation mechanism and the Y-direction translation mechanism are in an X axis direction and a Y axis direction, wherein the two directions are perpendicular to each other on a horizontal plane. The Y-direction translation mechanism consists of a shock-absorbing seat, a pedestal, a Y-direction guide rail and a sliding block, a Y-direction sliding table, a bar-shaped light source, a Y-direction grating ruler and a Y-direction lead screw and a nut. The steel mesh supporting and pressing mechanism includes a movable support, a fixed support, a steel mesh support plate, a Y-direction limiting block, a compression cylinder, a steel mesh adjustment guide rail and a slide block thereof. And the X-direction translation mechanism is composed of two X-direction guide rail mounting seats, two X-direction guide rails and a slide block thereof, an X-direction lead screw and a nut, and an X-direction grating ruler. The detection mechanism includes a camera connection plate, a camera, a tensiometer connecting plate, a tensiometer, and a tensiometer lifting regulation element. The detection machine has advantages of high detection precision and wide application range.

The invention discloses a vacuum pouring assisting device and a vacuum pouring technology. The vacuum pouring assisting device comprises a flexible body capable of covering a material pavement area ona die, and a fixing device fixed to the whole edge of the die. The whole peripheral edge of the flexible body can be closed to the fixing device, and accordingly the material pavement area can be sealed. A plurality of cavities can be formed in the flexible body and can be filled with fluid media. By means of the provided vacuum pouring assisting device and the provided vacuum pouring technology,the pouring speed and the resin seepage speed during vacuum resin pouring can be obviously improved, the pouring time is shortened, and it can be ensured that the content of fiber at various positions after resin curing is consistent.

The invention discloses a flexible blocking net, relates to a protection structure and provides a flexible blocking net capable of optimizing load distribution and reducing local concentrated load. The flexible blocking net comprises at least two support columns and a support rope and a metal flexible net which are arranged between the support columns in a transverse spreading mode. The support rope is connected with the metal flexible net, at least one end of the support columns in the length direction is connected with a support body capable of rotating freely, and the support body enables the support rope to be tensioned. Further, the flexible blocking net can comprise connection clamping rings variable in shape or easy to break, the metal flexible net comprises meshes, at least one mesh located on a top row or a bottom row of the metal flexible net is connected with the support rope through the connection clamping rings to form a buffer area with a buffer function. The flexible blocking net can be used for blocking moving objects such as tumbling stones, sliding rock and earth mass, debris flow, snow slide and flying stones.

An efficient positive displacement motor under a well comprises a bypass valve assembly, a falling prevention joint, a motor joint, a universal joint assembly and a bearing joint assembly. The efficient positive displacement motor under the well is simple in structure, convenient to use, stable in operation under the well, safe, reliable, high in complete machine efficiency, capable of outputting larger torque, long in working time and service life, suitable for drilling needs of various complex wells at the present, free of piercing leakage and high in working reliability. A streamlined flow channel enables water conservancy losses of a main flow channel to be reduced, turn-off force is large, the defects of the interference effect and tooth form distortion of the conjugation curvature of a traditional single-screw machine type positive displacement motor are overcome, a universal shaft operates flexibly, energy efficiency is high, the universal shaft can work in the environments where no sand grain exists, and drilling fluid erosion exists, the service life is long, and mechanism strength is high.

A rotor pivoting system (1) for setting a rotor (2) upright, for the purpose of maintenance and / or repair work: a turning pedestal (9) having a pivoting device (10), and at least one bearing pedestal (11) for supporting the rotor when not upright; a heavy-duty stand (3) with a multiplicity of vertically extendable supporting feet (4, 5) which receive the turning pedestal and the bearing pedestal and is transportable and introduces forces occurring when a rotor arranged on the turning pedestal (9) and the bearing pedestal (11) is being set upright, via the supporting feet (4, 5), into a base on which said stand is positioned. Also, a method for carrying out maintenance and / or repair work on a rotor (2) of a machine using a rotor pivoting system (1) according to the invention.

The invention relates to a rotor pivoting system for erecting a rotor, in particular a gas turbine rotor, for performing maintenance and / or repair work, comprising a steering stand having pivoting means arranged thereon; and at least one Support stand, wherein the rotor pivot system has a heavy-duty frame provided with a plurality of vertically removable support feet and accommodates the steering stand and the support stand, the heavy-duty frame is constructed in a transportable manner and is designed for : When erecting the rotor arranged on the steering stand and the support stand, forces are introduced via the support feet into the base, on which the heavy-duty frame is positioned. Furthermore, the invention relates to a method for carrying out maintenance and / or repair work on a rotor of a machine, in particular on a gas turbine rotor, with the rotor pivoting system according to the invention.