89 results about "Static structure" patented technology

Systems and methods for providing lubrication to a gas turbine engine are described. An example gas turbine engine includes a plurality of bearings disposed along an axial length of a rotatable shaft to provide rotational support between a static structure and at least one of a compressor and a turbine of the gas turbine engine. The gas turbine engine further includes a fuel system operable to deliver a mixture of fuel and lubricant sequentially to at least one of the plurality of bearings and the combustor so that during operation of the gas turbine engine, at least the lubricant within the mixture is in a liquid phase prior to being received by the at least one of the plurality of bearings, and in a vapor phase once the lubricant is delivered to the at least one of the plurality of bearings.

A gas turbine engine includes, among other things, a propulsor section including a rotor and blades, a geared architecture including a gear train, a compressor section and a turbine section. A static structure includes a first case and a second case. The first case includes a first engine mount location. The second case includes a second engine mount location. The first engine mount location is axially near the geared architecture.

A gas turbine engine includes a compressor section, a combustor section and a turbine section for rotation on an axis. The turbine section includes at least one row of rotating turbine blades each having a radially outer tip. A blade outer air seal is positioned radially outwardly of the radially outer tip. The blade outer air seal has a central web positioned radially outwardly of the radially outer tip. The blade outer air seal has an upstream mount arm and a downstream mount arm receiving mount structure from a static structure. The static structure has sealing members engaging an upstream outer surface of the upstream mount arm at an upstream seal material and a downstream outer surface of the downstream mount arm at a downstream seal material. A method is also disclosed.

The invention belongs to the technical field of power transmission line deicing, and particularly discloses an unmanned aerial vehicle-mounted deicing bar vibration deicing numerical simulation method, which comprises the following steps: constructing an iced power transmission line model; setting boundary constraint conditions of the ice-coated conductor, and calculating a self-weight balance static structure of the ice-coated transmission line to obtain a self-weight balanced ice-coated transmission line model; assembling a de-icing bar model and the de-icing power transmission line model after self-weight balance, and performing transient simulation calculation on the de-icing bar to impact the de-icing power transmission line to obtain a power transmission line icing shedding condition; according to the transmission conductor ice coating falling condition, the axial allowable tensile stress of the conductor and the deicing rate of the deicing bar impacting the ice coating transmission line are calculated, then the configuration of the unmanned aerial vehicle and the deicing bar is obtained, and the vibration deicing numerical simulation method of the unmanned aerial vehicle carrying the deicing bar is completed. The problem that in the prior art, when an unmanned aerial vehicle carries a deicing bar to conduct vibration deicing, the impact strength and frequency cannot be accurately controlled, and the surface of a power transmission line is damaged is solved.

The invention provides a multi-modal knowledge graph generation method and system for hardware design analysis, which break through design, verification and physics, realize information barriers among the three traditional EDA (Electronic Design Automation) fields, perform semantic fusion and association on information from different data fields, create a unified and queriable hardware design knowledge representation, and improve the reliability of hardware design analysis. And a coherent and operable unified knowledge model is formed. A multi-modal design knowledge graph is created by integrating a simulation result (dynamic data) and a physical implementation feature (performance data) into a static structure model, and a comprehensive design model with structure, behavior and performance features is analyzed in a unified framework. An engineer does not need to manually switch between different tools and data formats, but can access all-dimensional information about a static structure, a dynamic behavior and a physical property of a design through a single query interface.

The utility model relates to the field of textile machinery, and provides a warp knitting machine polyester anti-static structure which comprises a creel, a mounting frame, a spool, an inserting piece and an anti-static assembly. The creel provides overall load bearing; the plurality of mounting frames are mounted in the vertical direction of the creel at intervals of a preset distance; the plurality of inserting pieces are arranged on the mounting frame and extend along the horizontal direction; each inserting piece is sleeved with a yarn drum, yarn is wound on the surface of each yarn drum, and the yarn penetrates through external weaving equipment in the horizontal direction; the anti-static assembly is installed on the creel, and the yarn drums are arranged at intervals. The device has the effects of preventing yarns from being scraped and avoiding static electricity.

A building envelope system. The building envelope system includes a plurality of shading modules for installing over fenestrations of a structure. Parameters of the shading modules are selected to optimize certain indoor environmental quality parameters. The optimized shading module parameters include: size, shape, geometry, orientation, number, placement, and material. The optimization process further includes consideration of the geographical location of the structure and a compass facing direction of each fenestration. The indoor environmental quality parameters include maximizing spatial daylight autonomy (SDA), minimizing annual sun exposure (ASE), and minimizing daylight glare probability.

The application discloses a reliability evaluation and optimization method and system for large model function code, a medium and a program product, and belongs to the technical field of artificial intelligence. A demand prompt word, a test case and expected output are acquired to form a standardized test data set; an execution consistency score, a semantic consistency index and a static structure consistency index of the code to be evaluated are calculated and fused into an intention consistency comprehensive score; a safety score is obtained by performing static safety analysis on the code to be evaluated; the intention consistency comprehensive score and the safety score are fused into a final comprehensive score, and the reliability is judged; if the reliability is not good, a defect label is generated according to the scores of the indexes and weighted fusion is performed to obtain optimization guidance information, and the code is corrected or regenerated according to the information. The application comprehensively evaluates the code quality from four dimensions of execution, semantics, structure and safety, highlights the short board effect by adopting a fusion strategy, realizes closed-loop automatic optimization, and significantly improves the reliability and safety of the function code.

The invention relates to the technical field of dust traceability, in particular to a traceability analysis method and system for environmental dust pollutants of electrical equipment. The method comprises the steps of obtaining image data and an equipment structure of the electrical equipment; the equipment structure comprises a movable structure and a static structure; the distribution characteristics of dust on the static structure are judged based on the image data, and the action direction of a movable structure adjacent to the static structure is determined; under the condition that the distribution characteristic and the action direction of the movable structure have an association relationship, judging that the dust is from the movable structure; the incidence relation comprises that the amount of dust close to the tail end of the action direction of the moving structure on the static structure is larger than the amount of dust away from the tail end of the action direction of the moving structure, and the problem that an existing dust tracing method is mainly based on the space environment, and the specific source of dust is difficult to effectively judge in a workshop where large electrical equipment works is effectively solved.

A gas turbine engine (20) is provided that includes a static structure (52), a rotating shaft (54), and a bearing assembly (50). The bearing assembly (50) includes a bearing (56) and a seal subassembly (80). The bearing (56) has inner and outer races (60, 62) and a plurality of roller elements (64). The outer race (62) includes a shield member (66). The seal subassembly (80) includes a seal element (82) coupled with the static structure (52) and a seal runner (84) coupled with the rotating shaft (54). Portions of the seal runner (84), the outer race (62), and the inner race (60) define a first bearing cavity (90). Portions of the seal runner (84), the outer race (62), the seal element (82), and the static structure (52) define a lateral bearing cavity (48). The lateral bearing cavity (48) is disposed axially between the first bearing cavity (90) and the seal element (82). The outer race (62) includes a plurality of drain holes (70) that provide fluid communication between the first bearing cavity (90) and the lateral bearing cavity (48).

A transducer is described. The transducer has a static structure having a magnetic gap surrounding an axis and a wall portion extending parallel to and facing the axis; a dynamic structure having a coil body surrounding the axis; a coil wound around the coil body, the coil body being housed in the magnetic gap; a diaphragm extending outwardly from the axis and secured to the coil body, the diaphragm having an outer peripheral edge proximate to the wall portion, the outer peripheral edge being not attached to the wall portion; and a suspension connecting the static structure to the dynamic structure, the suspension limiting a degree of freedom of movement of the dynamic structure relative to the static structure to axial movement along the axis, the suspension biasing the dynamic structure to a rest position, thereby defining a movement span xmax, the span of movement x maximum is axially defined parallel to the axis between an x positive position and an x negative position, and the wall portion covers the span of movement x maximum.

The utility model belongs to the technical field of gas valves, and particularly relates to an anti-static structure of a gas valve, which comprises a valve body, a valve core, a valve seat, a valve rod and a handle used for driving the valve rod to rotate are mounted in the valve body, the valve body comprises a main body, an inlet section and an outlet section, the inlet section and the outlet section are positioned on two axial sides of the main body, and the outlet section comprises a connecting end and an insulating end. The insulating end is positioned between the connecting end and the main body; the outlet section of the valve body is arranged to be the connecting end and the insulating end, so that static electricity is prevented from being conducted to the gas outlet end through the insulating end, damage to gas equipment is avoided, and potential safety hazards are effectively reduced.

A clamshell underground base configured for supporting an above-ground static structure includes a pair of clamshell sections configured to removably connect to each other to define a pipe portion having an open top end, an open bottom end, and an opening extending therebetween. Each of the clamshell sections has a distal end, a proximal end, and a body portion between the distal end and the proximal end. At least one reinforcement plate is connected to the each of the clamshell sections and extends across the opening. Each of the clamshell sections is made from a first material, and the at least one reinforcement plate is made from a second material different from the first material. The first material is a fiber-reinforced polymer composite material, and the second material is steel.

The utility model discloses an anti-static electrical control cabinet, which comprises a control cabinet body, grounding frames formed by pins, a vertical copper bar, a U-shaped copper bar and an outer conductive copper rod, and a support cabinet frame formed by a side mounting plate, a vertical support plate and a bent support leg, an anti-static grounding wire can penetrate into the wire binding groove of the U-shaped copper bar of the grounding frame to be bound and connected, and meanwhile, the grounding wire is externally wound on the wire winding groove of the outer guide copper rod to be grounded, so that two opposite grounding anti-static structures are arranged on the two sides of the control cabinet body, the static grounding elimination effect of the control cabinet body is improved, and the service life of the control cabinet body is prolonged. And the support cabinet frames are oppositely arranged on the outer side of the control cabinet body, so that the placement stability of the control cabinet body can be effectively enhanced, the control cabinet body is not easy to topple due to external force under the support of the support cabinet frames, and the normal use of the matched anti-static structure of the control cabinet body is ensured.

The patent of the present invention discloses a three-dimensional rotating isentropic compression inlet structure, which specifically relates to the field of supersonic aircraft power technology. It includes a first-stage axisymmetric compression section, a second-stage axisymmetric compression section and an outer wall shell. The first-stage axisymmetric compression section and the second-stage axisymmetric compression section are connected to form a rotating structure of an isentropic compression inlet; the outer wall shell adopts a specific spatial curve layout design, and the outer wall shell alone constitutes the outer flow channel stator structure of the entire inlet. The technical solution of the present invention solves the problems of low compression efficiency, complex structure, heavy weight, high process difficulty and inconvenient operation of the existing inlet, and can meet the needs of adaptive control of inlet flow and a wider and higher working Mach number.

The invention discloses a rivet and machining equipment and a machining method thereof, and belongs to the technical field of rivet machining. The rivet comprises a base table and a forming device arranged at the upper end of the base table; the forming device comprises a power source, a feeding disc, an inclined base, a static structure plate, a guide frame and a movable structure plate. The downward pressing limiting mechanism comprises a supporting sliding rod, a top plate, a hand wheel, an adjusting screw rod, an adjusting plate and a linkage type limiting assembly. By means of the mode, the rivet rod sequentially passes through the first-stage thread rolling groove, the second-stage thread rolling groove and the third-stage thread rolling groove, the three-edge groove is formed in a gradually deepened mode under the cooperation of the first-stage thread rolling groove, the second-stage thread rolling groove and the third-stage thread rolling groove, in the forming process of the three-edge groove, the anti-skid teeth can be tightly engaged with the rivet rod, and the limiting effect on the rivet body is achieved through the cooperation of the check block, the side limiting block and the bag body; the non-Newtonian fluid in the bag body can adapt to different types of rivet caps.

A method of assembling a tube assembly includes the steps of providing a saddle clamp having a first clamp half extending for less than 50 percent of a circumference of a tube, and a second clamp half extending for more than 50 percent of the circumference of the tube, placing a tube on the first clamp half, resting on a static structure, and applying a lubricant to a laterally inner surface of the second clamp half and then bringing the second clamp half onto the tube, and then driving a fastener to secure the first and second clamp halves. A gas turbine engine is also disclosed.

A gas turbine engine includes, among other things, a propulsor section including a rotor and blades, a geared architecture including a gear train, a compressor section and a turbine section. A static structure includes a first case and a second case. The first case includes a first engine mount location. The second case includes a second engine mount location. The first engine mount location is axially near the geared architecture.

The invention relates to the technical field of long-shaft hot-charging part loading and unloading mechanisms, in particular to a bidirectional-acting statically-determinate structure type hot-charging part ejection mechanism which comprises an adapter sleeve, an outer sleeve and a double-acting jack, the adapter sleeve is fixedly connected with a body part of the double-acting jack, the outer sleeve is fixedly connected with a telescopic part of the double-acting jack, and the outer sleeve is fixedly connected with the telescopic part of the double-acting jack. The main shaft is fixedly connected to the adapter sleeve, the hot charging piece is fixedly connected to the outer sleeve, and the hot charging piece and the main shaft are coaxial. According to the bidirectionally-acting statically-determinate structure type hot-charging part ejection mechanism, force is effectively transmitted when the hot-charging part is ejected out or pulled in, a stable and reliable structural foundation is provided for loading and unloading of the long-spindle hot-charging part, and the problem that a traditional loading and unloading mechanism cannot cope with complex working conditions of the long-spindle hot-charging part is solved.

The utility model discloses a reinforced display module anti-static structure which comprises a display screen and a backlight which are arranged in sequence, an FPC is bound on the display screen and is in an unfolded state, one side of the FPC is provided with a grounding copper leakage area which can be freely bent, the grounding copper leakage area can be independently bent to the back face of the backlight, and the backlight is arranged on the back face of the display screen. And the light guide plate is grounded with the iron frame on the back of the backlight. The anti-static structure has the effect that the anti-static requirement of the display module is met while the unfolding state of the FPC is not affected.

The embodiment of the utility model provides an anti-static structure and a camera module. The camera module comprises a shell, and a lens assembly and an imaging chip which are assembled in the shell, the lens assembly comprises a metal lens barrel and at least one lens, the anti-static structure is arranged in the shell, the anti-static structure is provided with a guide surface facing the metal lens barrel, and the guide surface is located between the metal lens barrel and the imaging chip; the anti-static structure is electrically connected with the conducting element and is connected to the grounding end through the conducting element. According to the anti-static structure and the camera module provided by the embodiment of the invention, an electrostatic protection effect on the imaging chip can be achieved.

The utility model relates to the technical field of anti-static structures, in particular to an anti-static structure of a flammable chemical storage tank. In order to solve the problems that gas in a storage tank may have the risk of generating static electricity, and an existing static electricity removing mode of the storage tank cannot prevent static electricity from being generated in air in the storage tank, the following technical scheme is provided: the storage tank comprises a hollow storage tank; the static electricity removing mechanism is installed on the storage tank and used for removing static electricity contained in air in the storage tank, the static electricity removing mechanism comprises a conducting rod arranged at the top of the storage tank in a penetrating mode, the conducting rod is grounded, a conducting frame is installed on the side face of the conducting rod, and a plurality of sets of conducting strips are arranged in the conducting frame; the multiple sets of conducting strips are fixedly connected with the conducting rod, and the conducting strips are grounded through the conducting rod. According to the static electricity removing device, static electricity can be prevented from being generated in air retained in the storage tank, the static electricity removing effect is good, and therefore explosion caused by electrostatic sparks is avoided, and safety is high.

The utility model provides a simple hydrogenation gun fixing device, which relates to the technical field of hydrogenation gun placement equipment, including a support structure, the support structure includes a fixed bracket and a base, the base can support the hydrogenation machine, and the fixed bracket can support the hydrogenation gun and the gun body tube; the protective component includes a dustproof structure, an anti-static structure and an anti-collision device, the anti-static structure and the anti-collision device are arranged on the base, and the dustproof structure is arranged on the fixed bracket to prevent dust from the hydrogenation gun; the control device is arranged on the fixed bracket to monitor the position of the hydrogenation gun and control the opening and closing of the hydrogenation machine, when the hydrogenation gun is separated from the dustproof structure, the hydrogenation machine starts hydrogenation, and when the hydrogenation gun is coupled with the dustproof structure, the hydrogenation machine stops hydrogenation on standby. The utility model has a relatively simple structure and good stability, and integrates dustproof, anti-static, anti-collision, and anti-wear multifunctionality, has good practicality, and the hydrogenation machine and the hydrogenation gun form interlocking protection, and has good safety.

The invention discloses a green and energy-saving static landscape modeling design structure, which belongs to the field of static structure design, and comprises a landscape module, one opposite side wall of which is provided with a step surface, and the step surface is provided with a waterproof roll layer; the embedded water pipe is arranged in the landscape module; the cushion is clamped in a first groove formed in the end face of the landscape module; wherein the ends of the embedded water pipes extend to the step surfaces, the ends of the embedded water pipes penetrate through the waterproof coiled material layers, the waterproof coiled material layers are fixed to the outer walls of the embedded water pipes, branch pipes are arranged on the embedded water pipes, the tops of the branch pipes extend into second grooves in the end surfaces of the landscape modules, and every two adjacent landscape modules are spliced through the corresponding step surfaces. And the end part of the pre-embedded water pipe of one landscape module placed in the forward direction is spliced with the end part of the pre-embedded water pipe of the other adjacent landscape module placed in the reverse direction. Compared with the prior art, the problem of single function caused by lack of pre-buried hidden water and electricity pipes in the landscape structure construction process is solved.

The invention relates to the field of plastic films, and particularly discloses an anti-static structure for a plastic film forming machine, which comprises a bracket with an outer contour formed by a plurality of metal rods; the air ring is connected with a discharge hole of the extruder; the guide roller is rotatably arranged on the bracket and is positioned right above the air ring; the retractor is arranged below the guide roller in the first direction; the static electricity removing assembly is arranged between the guide roller and the winder in the first direction; wherein the first direction is the moving direction of the plastic film from the guide roller to the retractor; the static electricity removing assembly comprises a traction roller and a conductive piece. The traction roller is movably arranged on the support and abuts against the plastic film. The conductive piece is communicated with the plastic film and the ground wire so as to transfer static energy to the ground; the invention discloses an anti-static structure with a static elimination function for a plastic film forming machine.

The application discloses a semiconductor device anti-static structure and a preparation method thereof. The semiconductor device anti-static structure is prepared by growing an InGaP layer, an N-type GaAs layer, an I layer and a P-type GaAs layer on an N-type semiconductor layer, evaporating and etching two spaced first metal layers on the surface of the P-type GaAs layer, controlling a wet etching process to form PIN semiconductor layers with a width smaller than the first metal layers under the first metal layers, coating photoresist to a thickness exceeding the first metal layers, exposing and developing to open a window on the first metal layers and in the region between the two PIN semiconductor layers, evaporating metal and high-temperature annealing to form an ohmic contact second metal layer on the N-type semiconductor layer and an ohmic contact third metal layer on the first metal layers, and the second metal layer has a gap with the two PIN semiconductor structures. The preparation method of the semiconductor device anti-static structure can make the second metal layer very wide, greatly reduce the series resistance between the two PINs, and improve the anti-static capability of the chip.

The utility model relates to the field of electronic component copper ring diaphragm production, in particular to a storage device with an anti-static structure for electronic component copper ring diaphragm production, which comprises a box body, a box door is arranged on the front side of the box body, a grounding wire is arranged on the box body, and a plurality of storage boxes are arranged on the inner side of the box body. When the storage box at the high position needs to be taken out in the working process, a worker drives the storage box to move outwards, and the guide rail component, the limiting rod component and the fixing shaft component are matched with one another, so that the moving position of one end of the storage box is limited, and the storage box can be taken out conveniently. And meanwhile, one end of the storage box is supported, and the other end of the storage box is lapped between the mounting plate and the sliding block to limit one end of the storage box on the box door, so that the storage box is obliquely supported, and a worker can conveniently take parts in the storage box.

The invention discloses a building method of a wind-resistant construction platform, and relates to the technical field of building methods, and the building method comprises the following steps: S1, surveying topographic features of a construction area, customizing an adaptive module unit, integrating a wind parameter monitoring assembly on the module unit, and assembling a posture adjusting assembly; s2, splicing and assembling the module units to form a platform main body frame; s3, building a central control unit; and S4, receiving real-time wind data acquired by the wind parameter monitoring assembly through the central control unit. The central control unit is set up to establish an integrated control mechanism of terrain adaptation-wind load response-operation protection-drainage cooperation, and the core defects that a traditional platform has no posture adjusting function and depends on a static structure to resist wind power are effectively overcome. When facing a complex wind environment, the central control unit can drive the posture adjusting assembly to actively adjust the posture of the platform body and actively adapt to wind load changes so as to reduce wind resistance.

The utility model relates to the technical field of building construction, and discloses an anti-static gas storage cylinder protection device which comprises a metal support, a shell is rotationally connected to one end of the metal support, and an anti-static structure is fixedly arranged at the bottom of the metal support and used for being in contact conduction to form equipotential connection. According to the utility model, the problem that the gas cylinder cannot be in better contact with a grounding wire when the gas cylinder moves along with the welding position and further cannot be grounded with good sight is solved, and the gas cylinder can be better placed through the arranged metal bracket, so that the working efficiency is improved. Meanwhile, static electricity generated in the working process can be better guided into the ground through the arranged anti-static structure, then equipotential connection is formed between the gas storage bottle and the metal support, and therefore the explosion or fire caused by the static electricity is reduced.

The invention discloses a transformer oil tank structure optimization method and device, equipment, a medium and a program product, and relates to the technical field of optimization of transformer box type oil tank structure strength, and the method comprises the steps: determining a plurality of influence factors of the transformer oil tank structure strength; the influence factors comprise at least two of box cover thickness, box wall thickness, reinforcing rib thickness, upper rib height, long box wall reinforcing rib spacing, short box wall reinforcing rib spacing, upper rib spacing and side wall connecting rib spacing; determining a plurality of influence parameter combinations of the transformer oil tank based on the value level of each influence factor; aiming at each influence parameter combination, performing a static structure simulation test on the transformer oil tank to obtain oil tank deformation simulation data; and carrying out structure optimization on the transformer oil tank based on all the oil tank deformation simulation data. The optimization and improvement direction of the oil tank structure can be efficiently and accurately determined.