61 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.

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.

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.

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.

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.

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 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 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.

Embodiments disclosed herein provide an electro-mechanical coupling system (100) for endoscopic instruments The electro-mechanical coupling system (100) includes a first connector assembly (1) and a second connector assembly (2). The first connector assembly (1) includes a first lock member (3) and a first electrical connector (4) at a face of the first connector assembly (1). The second connector assembly (2) includes a housing (5) defining a cavity for receiving the first connector assembly (1), a second lock member (6) positioned on the housing (5), a static structure (7) connected at an end of the housing (5), and an electrical connection assembly (8) positioned between the housing (5) and the static structure (7). The electrical connection assembly (8) comprises a second electrical connector (9) affixed to a face of a movable structure (10), and alignment guides (11) mounted on the movable structure (10).

The present invention discloses a green and energy-saving static landscape modeling design structure, belonging to the field of static structure design, including: a landscape module, on one of its opposite side walls there is a stepped surface, and a waterproof coiled material layer is arranged on the stepped surface; a pre-buried water pipe, which is arranged inside the landscape module; a cushion, which is snap-fitted in a first groove arranged on the end surface of the landscape module; wherein, the end of the pre-buried water pipe extends to the stepped surface, the end of the pre-buried water pipe penetrates through the waterproof coiled material layer, the waterproof coiled material layer is fixed to the outer wall of the pre-buried water pipe, a branch pipe is arranged on the pre-buried water pipe, and the top of the branch pipe extends into a second groove on the end surface of the landscape module. Adjacent two landscape modules are spliced through the stepped surface, and the end of the pre-buried water pipe of a landscape module placed upright is spliced with the end of the pre-buried water pipe of another adjacent landscape module placed upside down. Compared with the prior art, the present invention solves the problem of single function caused by the lack of pre-buried and hidden water and electricity pipes during the construction of the landscape structure.

A method is provided for disassembling a gas turbine engine. The gas turbine engine includes a compressor section, a combustor section, a turbine section, a static structure and a bypass duct. The static structure houses and supports the compressor section, the combustor section and the turbine section. The static structure includes a turbine support structure. The bypass duct includes an inner duct wall, an outer duct wall and a bypass flowpath formed radially between the inner duct wall and the outer duct wall. The outer duct wall extends axially along the static structure and overlaps the turbine support structure. During the method, the turbine support structure is removed from the gas turbine engine while the outer duct wall remains installed.

An aircraft propulsion system includes a turbocompressor unit, an engine exhaust assembly, and a tube assembly. The turbocompressor unit includes a compressor, a turbine, a turbocompressor rotational assembly, and a static structure. The static structure forms a first cavity and a second cavity. The engine exhaust assembly includes an annular scroll disposed between the first cavity and the second cavity. The annular scroll includes a scroll body and a plurality of hollow stator vanes. The plurality of hollow stator vanes is disposed within the flow channel. The tube assembly includes a tubular body. The tubular body extends through one of the plurality of hollow stator vanes between and to the first cavity and the second cavity. The tubular body forms an internal passage extending from the first axial tube end to the second axial tube end. The internal passage connects the first cavity in fluid communication with the second cavity.

The utility model belongs to the technical field of lamp pearl, especially related to a kind of anti-static structure of LED lamp pearl, including substrate, still include: the top fixed mounting of substrate has plastic reflection cup, the inside of plastic reflection cup is filled with protective glue, the bottom end fixed mounting of protective glue inside has fixed die attach adhesive, the top fixed mounting of fixed die attach adhesive has dam glue, the top of dam glue is installed with gold wire and penetrates, the top fixed mounting of plastic reflection cup has screw seat, fill in by protective glue to plastic reflection cup, then by plastic reflection cup to fixed die attach adhesive is daubed, then again to dam glue is filled daubing, then in gold wire is installed to dam glue, then protective glue is used to protect gold wire, then gold wire is used to transfer electric energy for LED chip, by the cooperation of fixed die attach adhesive and dam glue, reduce the area exposed in air in LED lamp, to effectively reduce the generation of static and antistatic ability.

A traditional multi-rod connecting structure generally adopts a rigid fixed joint (such as a multi-way pipe joint), the relative poses of ports of the traditional multi-rod connecting structure are in a fixed geometrical relationship, and the traditional multi-rod connecting structure can only adapt to static structure construction and is difficult to adapt to scenes needing dynamic deformation. According to an existing flexible joint technology, the deformation capacity is achieved through an elastic material, but the following defects still exist: deformation concentration is insufficient, elastic deformation is distributed on the whole of a joint but not local, and consequently the axes of a plurality of rod pieces deviate from a preset rotation center; the motion range and rigidity are unbalanced, the motion range of rod pieces is limited, interference is generated when adjacent rod pieces are excessively close to each other, and the structural deformation flexibility is insufficient due to the fact that the overall elasticity modulus of a connector is too high; the multi-degree-of-freedom deformation capacity of the flexible multi-rod joint is achieved through the deformable part made of the continuous flexible component, and the flexible multi-rod joint can be used for building a frame structure and a connecting rod mechanism.

The application discloses a linear grating displacement sensor precision calibration device, method, system, control device and computer storage medium, which comprises a base 10, a calibration motion structure 9 is installed on the base 10, the upper surface of the calibration motion structure 9 is used for installing the dynamic structure of a linear grating displacement sensor 8 to be calibrated, a posture adjuster 3 is fixed with the base 10 through corresponding supports and is installed above the calibration motion structure 9, the lower surface of the posture adjuster 3 is used for installing the static structure of the linear grating displacement sensor 8, and a laser interferometer 21 is installed on one side of the static structure and is aligned with the static structure. The application uses the posture adjuster 3 to adjust the pose of the static structure of the linear grating displacement sensor 8, so that the best use posture of the linear grating displacement sensor 8 is determined, and finally, calibration is carried out in the posture, and accurate calibration results are obtained.

The utility model relates to an anti-static structure of a switch handle, which comprises a handle shell and a built-in circuit board, the handle shell is an electroplated part and is contacted with a static potential arranged on the built-in circuit board, and the built-in circuit board is further connected with a ground wire. The electroplated part is adopted to guide static electricity, the electroplated part is in direct contact with static potential of the circuit board, and then the static electricity is discharged to the outside through the ground wire.

The utility model discloses an anti-static structure and an electronic product, and relates to the technical field of electronic products, the anti-static structure comprises a housing, a circuit assembly and a conducting strip; the circuit assembly comprises a circuit board, a connecting piece and an electrical interface, the circuit board is arranged in the shell, the electrical interface is exposed out of the shell, the connecting piece is connected with the circuit board and the electrical interface, and the connecting piece is provided with a conductive part; and the conducting strip is arranged between the connecting piece and the inner wall of the shell and is in contact with the conducting part and the inner wall of the shell.

The invention belongs to the technical field of polar region ice layer drilling, hot water drilling serves as an ice layer drilling method with the highest drilling speed at present and has become an important technical means for ice layer and under-ice environment detection, however, only part of heat energy of high-temperature jet flow is transmitted to an ice layer for drilling and broaching, heat loss exists, and drilling efficiency is high. The invention provides a multi-parameter adjustable injection type ice layer hot water drill bit based on modular design, which is characterized in that a reducing nozzle, a drill bit main body and a mixing pipe are located at coaxial positions, and different combination modes of the reducing nozzle and the mixing pipe which are selectable in multiple specifications support dynamic combination of key parameters such as a throat nozzle distance, an area ratio and a mixing pipe contraction angle; by introducing the jet pump structure, recycling and heat exchange strengthening of low-temperature hot water heat energy are achieved, the heat energy utilization rate of the low-temperature hot water is remarkably increased, full-static structural design is adopted, no moving part exists, and the continuous drilling machine has the advantages of being high in structural reliability, low in maintenance cost and the like and is suitable for continuous drilling operation in the fields of polar region ice layer exploration and glacier research.

The utility model discloses a trolley with a multi-hard-disk storage function, which belongs to the technical field of machine room operation and maintenance and comprises a frame, a wheel carrier, a damping structure, a power supply, a controller, a damping structure and a dustproof heat dissipation mounting mechanism. Two wheel carriers are symmetrically arranged on the lower side of the frame, and wheels are symmetrically and rotationally installed on the two sides of the wheel carriers. The wheel carrier is mounted on the lower side of the frame through a damping structure; a dustproof heat dissipation mounting mechanism for storing a hard disk is mounted on the frame; the dustproof heat dissipation mounting mechanism comprises a dustproof heat dissipation module and hard disk mounting modules, the dustproof heat dissipation module is mounted on the frame, and the hard disk mounting modules are mounted on the dustproof heat dissipation module; a plurality of anti-static structures are uniformly mounted on the dustproof heat dissipation module at equal intervals; and a power supply and a controller which are electrically connected with the dustproof heat dissipation module are mounted on the dustproof heat dissipation module. In this way, the containing capacity of the device is guaranteed; the shock absorption of the frame is realized through the shock absorption structure; the hard disk is prevented from being damaged by static electricity through the anti-static structure.

A multiphysics-coupled method for analyzing the structure of motor end caps relates to the field of finite element analysis (FEM) for motor end caps. This method effectively improves simulation accuracy and design reliability, and shortens product development cycles, thereby optimizing the design to enhance the overall reliability and service life of the motor system. The multiphysics-coupled method organically combines electromagnetic field analysis, thermal stability analysis, and static structural analysis into a complete and efficient multiphysics simulation process for comprehensive evaluation of the end cap. The maximum radial force of the rotor obtained from the electromagnetic field analysis is used as the load input for the static structural analysis, while the temperature field from the thermal stability analysis is directly imported into the static structural analysis to achieve effective coupling and transfer of multiple data. Through the final static structural analysis, the total deformation, equivalent stress, and safety factor of the end cap are obtained, providing crucial information for the reliability and durability design of the end cap.

This invention discloses a thermally insulated coring device, comprising a sampling insulation cavity for placing samples; an axial connector for applying a unidirectional tensile force to the sampling insulation cavity during the lifting action of the core drill rod; and a valve for sealing the end of the sampling insulation cavity after obtaining a core of the target length. Its performance evaluation method includes simulating the core heat transfer process in finite element software based on core sampling of the study area and material and sample parameters to construct a model of the thermally insulated coring device. The model includes a passive containment space during core drilling and insulation material covering the passive containment space. A unidirectional tensile force is applied to the static structure of the thermally insulated coring device model to cause it to break, and the stress-strain effect, equivalent strain effect, equivalent stress effect, fatigue loading, and safety factor effect parameters during the breakage process are measured.

The utility model discloses a Flumeus filter bag with an anti-static structure, which comprises a filter bag body, the filter bag body is arranged in the middle of the inside of a supporting assembly, the supporting assembly comprises a base, supporting rods and a top frame, and the outer side of the upper end of the base is connected with the lower end of the top frame through a plurality of supporting rods arranged at equal intervals. Meanwhile, the upper end of the top frame is fixedly connected with the top of the filter bag body through a clamping positioning sleeve, a positioning frame is installed at the lower end of the middle of the clamping positioning sleeve, a bearing is arranged in the middle of the positioning frame, a vertical shaft is arranged in the middle of the bearing, cleaning frames are arranged on the two sides of the vertical shaft, and the two cleaning frames are arranged in a staggered mode; meanwhile, the outer sides of the two cleaning frames are attached to the inner wall of the filter bag body. According to the Flumeus filter bag with the anti-static structure, the positioning frame, the bearing, the vertical shaft, the limiting seat, the cleaning frame, the connecting disc and the transmission rod are matched for use, so that the vertical shaft is convenient to rotate, dust adhered to the inner wall of the filter bag body is cleaned by the cleaning frame, the anti-static effect is improved, and cleaning is convenient.