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52 results about "Shape space" patented technology
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Multi-sensor fusion detection method and system for tail end of mechanical arm
PendingCN120970729ANavigational calculation instrumentsMeasurement apparatus componentsMedicineMultiple sensor
The invention provides a multi-sensor fusion detection method and system for the tail end of a mechanical arm, and belongs to the technical field of robots, and the method comprises the steps: carrying out the environment monitoring of a region to form a three-dimensional grid space, and obtaining the coordinate information of the mechanical arm, a to-be-detected target and an obstacle; planning a mechanical arm path by referring to the shapes and spatial position parameters of a to-be-detected target and an obstacle; the multiple sensors are all moved outwards from the interior of the mechanical arm, and the positions and angles of the multiple sensors are independently controlled, so that the multiple sensors act on the to-be-detected target for detection; adjusting the angle and position of the tail end of the mechanical arm to compensate the detection deviation according to the characteristics of the to-be-detected target in the grid space; and the tail end of the mechanical arm is controlled to move according to the shape of the to-be-detected target, so that the plurality of sensors sequentially act on each detection position of the to-be-detected target. According to the multi-sensor fusion detection method for the tail end of the mechanical arm, the dimensionality and accuracy of detection data are improved, and the detection difficulty is reduced.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +1
Autonomous recognition and trajectory planning grinding system and method for special-shaped space complex component
The invention discloses an automatic recognition and track planning grinding system and method for a special-shaped space complex component. The system mainly comprises the steps that a workpiece is fixed through a fixing tool workpiece; the visual scanning and feature extraction system performs automatic scanning and feature extraction on all welding seams on a workpiece, and plans a polishing path and a polishing posture; according to different process treatment requirements of welding seams, the tool magazine system can automatically replace tool bits; according to the task collaborative planning algorithm, effective task distribution of online operation is guaranteed for multiple welding seams, and calculation of the grinding amount, uniform distribution of grinding tasks and interference prevention are achieved. And the robot works cooperatively according to the scanned welding seam position. According to the method, the optimal polishing path is determined through laser vision; according to the shape and size of the welding seam and a planned path, a proper grinding tool bit is configured; and the grinding tools are rapidly and automatically replaced through the tool magazine, and the working efficiency is improved.
Owner:NANJING HEXIN AUTOMATION CO LTD +2
Special-shaped curtain wall structure layout optimization method and system
The invention relates to the field of building design, in particular to a special-shaped curtain wall structure layout optimization method and system. A target special-shaped space to be subjected to curtain wall structure layout is obtained, first curtain wall layout information is randomly generated, and the first curtain wall layout information comprises curtain wall structure information; according to the first curtain wall layout information and the target special-shaped space, a first special-shaped space approximation degree is obtained through calculation; performing cleaning feasibility analysis according to the first curtain wall layout information and the first special-shaped space approximation degree to obtain a first cleaning feasibility parameter and a second cleaning feasibility parameter; according to the first special-shaped space approximation degree, the first cleaning feasibility parameter and the second cleaning feasibility parameter, a first layout score is calculated, curtain wall layout information is optimized, and optimal curtain wall layout information is obtained. The problems that layout optimization is difficult, and later cleaning cost is high due to the fact that the special-shaped curtain wall is complex in shape are solved.
Owner:SHANXI NO 8 CONSTR GRP
Parallel self-locking tolerance clamping cylinder
ActiveCN223070805UWelding/cutting auxillary devicesAuxillary welding devicesControl engineeringStructural engineering
The utility model discloses a parallel self-locking tolerance clamping cylinder, which relates to the field of clamping devices, and comprises a shell, the top of the shell is fixedly connected with a supporting block, the bottom of the shell is fixedly connected with a lower cover, the outer wall of the shell is fixedly connected with a sensor support, the sensor support is fixedly connected with a sensor, and the sensor is fixedly connected with the supporting block. A sleeve is fixedly connected to the inner side of the shell, a pin is arranged in the sleeve in a penetrating mode, a second piston is arranged at the bottom of the pin, a piston rod is fixedly connected to the interior of the pin, and the piston rod is fixedly connected with the first piston and penetrates through the second piston to reach the interior of the pin. According to the utility model, the overall shape space size of the clamp and the gripper is reduced, so that the overall size is smaller, and the occupied space is smaller; the precision is high, the clamping and positioning precision of the tool on the workpiece is guaranteed, and the precision of the welding process is greatly guaranteed; the self-locking function is achieved, and the tool failure under the conditions of power failure and gas failure is effectively prevented; and due to the tolerance function, the workpiece can be effectively clamped within the thickness range of 0-10 mm.
Owner:上海达满机电设备有限公司
Disc-shaped suspension type reverse umbrella insulator and manufacturing method thereof
The invention relates to a disc-shaped suspension type reverse umbrella disc insulator and a manufacturing method. According to the novel technical scheme, the technical standard (figure 7) of the overall structure height H value is not changed, the limitation of the structural shape space of an existing disc-shaped suspension insulator (figure 2) is broken through, all umbrella discs of the umbrella disc face (1), the middle umbrella disc (2) and the lower umbrella disc (3) are changed into reverse umbrella discs, the height (figure 3) of the umbrella disc + column head (5) is 36%-40% lower than that of an existing umbrella disc + column head (figure 4), and the column head (5) of the umbrella disc is installed in a steel cap (10) to be connected. The steel foot (7) with the zinc sleeve (8) is inserted into the steel foot hole (6) of the umbrella disc face (1) to be connected, the connection relation is formed through solidification of the cement adhesive (4), the connection portion (12) of the steel cap (10), the steel foot (7) and the locking pin (9) is exposed, a novel specific structural shape (figure 1) is created, the technical effect of no shielding obstacles (figure 8) is achieved, technical defects are eliminated, the practical requirement is met, and the space margin of technical performance improvement is expanded.
Owner:武志文 +2
Projection system
To provide a projection system capable of improving ease of use.SOLUTION: A projection system 100 is used at construction sites. The projection system 100 includes: a tripod 3, a first case 10, a projection unit, a second case 20, and a projection control unit. The tripod 3 has a tripod body 30. The tripod body 30 includes a first leg 31, a second leg 32, a third leg 33, and a pedestal 34. The first case 10 is supported by the pedestal 34 of the tripod body 30. The projection unit is held or housed by the first case 10. The projection unit projects images onto a projected surface of a construction site. The projection control unit is held or housed by the second case 20. The projection control unit controls the operation of the projection unit. The tripod 3 also has a support part 35. The support part 35 is held by the tripod body 30. The support part 35 supports the second case 20 so that at least a part of the second case 20 is located within the triangular pyramid-shaped space S1 formed by the tripod body 30.SELECTED DRAWING: Figure 2
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
High-frequency vibration type financial voucher automatic arranging and aligning device
The utility model relates to a high-frequency vibration type financial voucher automatic arranging and aligning device which comprises a shell which is installed on a base and is integrally directional, a seat plate is arranged in a square hole in the middle of an inclined table on the front portion of the shell, two baffles are vertically arranged on the seat plate side by side, and a supporting bottom plate is connected between the lower ends of the two baffles. A vibration plate is arranged above the supporting bottom plate, a vibration gap is formed between the vibration plate and the supporting bottom plate, the inner end of the vibration plate penetrates through a square hole in the bottom of the base plate and extends into the shell, a pin shaft transversely penetrating through the vibration plate is arranged in the square hole, and the size of the square hole is larger than that of the cross section of the vibration plate. A high-frequency vibration mechanism connected with the vibration plate is arranged in the shell; the inclined groove-shaped space formed by the two baffles and the supporting bottom plate is used for containing voucher files with a certain thickness, the vibration plate at the bottom supports and drags the bottom faces of financial vouchers, the vibration plate is driven by the vibration mechanism to vibrate, high-frequency vibration force is generated at the bottoms of the voucher files, friction force between the voucher files can be efficiently overcome, and the voucher files are prevented from being damaged. And rapid alignment is realized.
Owner:QINHUANGDAO VOCATIONAL & TECH COLLEGE
Parametric design method for space curve of gradual forming and tenon-slot cutter with same profile
The present application relates to the gradual formation and the same profile combination tenon and slot cutter blade shape space curve parameterization design method, including the following steps: step one, shooting tenon and slot image; Step two, tenon and slot shape curve is discrete; Step three, calculate control point and fit approximation curve; Step four, the same profile cutter tooth space curve design: step five, gradual formation type cutter tooth space curve design; Step six, tenon and slot broach cutter tooth space curve output. The present application reduces the difficulty of tenon and slot broaching cutter space curve parameterization design; The parameterization of the cutter blade space curve realizes the unity of parameter selection, improves the stability of the broach design, and proposes the transition boundary and method of the gradual formation and the same profile combination, solves the problem of difficult to determine the gradual formation and the same profile transition method, reduces the design difficulty; At the same time, the parameterization design solves the long cycle and low efficiency problem of the traditional design method, improves the design efficiency of the broach, and reduces the cost of broach design and manufacturing.
Owner:HANGZHOU DIANZI UNIV
A special-shaped space electromechanical pipeline installation construction device
An installation and construction device for electromechanical pipelines in irregular spaces includes a chassis. A lifting assembly is located on top of the chassis, a support plate is located on top of the lifting assembly, an adjustment assembly is located on the top left side of the support plate, a swing rod is located on top of the adjustment assembly, a horizontal plate is located on top of the swing rod, a control assembly is located on the bottom right side of the horizontal plate, and a ring is located on top of the horizontal plate. A clamping assembly is located inside the ring. This device solves the prominent problems of existing electromechanical pipeline installation and construction devices when operating in irregular spaces, such as the difficulty in adjusting the installation angle due to the fixed structure, affecting connection and transportation; the inflexible adaptation due to the fixed height, increasing cost and risk; lack of auxiliary material feeding; poor layout leading to easy interference; and simple clamping structure, cumbersome operation, and easy damage to pipelines.
Owner:JIANGXI THERMAL POWER CONSTR CORP
A shape-space joint feature based curved surface profile monitoring method
The present application relates to a kind of based on shape-space joint feature's curved surface profile monitoring method, comprising obtaining point cloud data, the Laplace-Beltrami spectrum of workpiece is calculated as curved surface feature data, point cloud data is segmented into block point cloud with several different sizes, the minimum geodesic distance of any two point groups in block point cloud is calculated, space geodesic distance matrix is constructed, the statistical size is selected as the lowest Greary's G index by calculating, the clustering degree of each block point cloud is calculated according to statistical size;According to the Hotelling's T 2 statistic of each block point cloud is calculated according to clustering degree and Laplace-Beltrami spectrum, to detect abnormal curved surface.The method of the present application detects the slight change of workpiece surface by using the rich information in point cloud, and realizes the monitoring of workpiece surface quality change.
Owner:ZHEJIANG UNIV OF TECH
A method for generating embodied data for category generalization operation
This invention discloses an embodied data generation method for category generalization operations, belonging to the field of embodied operation technology. The method includes: constructing a shape library containing warp mappings between templates and target shape spaces; acquiring the 3D model, pose trajectory, and function point annotations of source demonstration data; generating a new shape model through the shape library mapping; calculating the geometric deviation of key points; solving for the optimal alignment transformation sequence and correcting the robotic arm's motion trajectory; integrating the new model into the scene point cloud; and driving the virtual robotic arm to synthesize a new sequence of observation action pairs. This invention achieves function-aware nonlinear warp mapping, solves the function alignment problem under complex geometric deformations, and improves the generalization ability of embodied operations; it adopts a reality-to-reality paradigm, completing efficient data augmentation with a small number of annotations, significantly reducing data collection costs.
Owner:TSINGHUA UNIVERSITY
Shape space generation via progressive correspondence estimation
In some examples, a computing system generates a linear model representing an estimate of a shape space using a first set of registered 3D digital shapes registered to a shape template. The computing system determines a nonlinear deformation model for the shape space using a second set of registered 3D digital shapes registered to the shape template. The computing system creates an initial registration to the shape space for an unregistered shape using the linear model. The computing system predicts an updated registration based on the initial registration using the nonlinear deformation model. In response to determining a shape distance between the updated registration and the unregistered shape being below a threshold value, the computing system adds the updated registration to the first set of registered 3D digital shapes to obtain an updated first set of registered 3D digital shapes.
Owner:ADOBE INC
A shaping device and method for the cavity structure of an electronic device.
Owner:HI P SHANGHAI HOUSING APPLIANCE
Manned spacecraft overall structure suitable for expansion of T-shaped space station assembly
InactiveCN121106745ACosmonautic propulsion system apparatusCosmonautic power supply systemsFlight vehicleSolar cell
The invention provides a spacecraft overall structure suitable for expansion of a T-shaped assembly of a space station. The spacecraft overall structure comprises a working cabin, a multi-purpose cabin, a node cabin and a non-bearing propulsion cabin. On the basis of the configuration scheme, layout area planning of large outboard equipment is provided, and installation of functional equipment such as a large-area semi-rigid plate solar cell wing, a thermal control fluid loop, a radiator and a propelling device can be supported. The configuration enables the spacecraft to fully use the uplink envelope space of a carrier rocket, supports in-cabin carrying of large-scale equipment, and has autonomous flight and active rendezvous and docking capabilities; in the assembly stage, the T-shaped space station assembly forms a cross-shaped structure through the structure, sufficient sealed cabins, energy, heat dissipation and other resources are provided for the whole station, and butt joint and parking support is provided for visiting aircrafts and subsequent cabin sections. A large opening is formed in the radial direction of the multipurpose cabin to the ground, large equipment in the cabin is supported to be deployed out of the cabin, double inner pressure-bearing cabin doors are adopted, and the sealing safety of the space in the cabin is improved; by arranging the large observation window on the inner layer bearing cabin door, the space station has the safe direct ground observation capability.
Owner:SHANGHAI AEROSPACE SYST ENG INST
A method and system for optimizing a layout of a special-shaped curtain wall structure
The present application relates to the field of architectural design, and particularly relates to a special-shaped curtain wall structure layout optimization method and system. A target special-shaped space to be subjected to curtain wall structure layout is acquired, and first curtain wall layout information is randomly generated, wherein the first curtain wall layout information comprises curtain wall structure information; a first special-shaped space approximation degree is calculated and acquired according to the first curtain wall layout information and the target special-shaped space; a first cleaning feasibility parameter and a second cleaning feasibility parameter are acquired by performing cleaning feasibility analysis according to the first curtain wall layout information and the first special-shaped space approximation degree; a first layout score is calculated according to the first special-shaped space approximation degree, the first cleaning feasibility parameter and the second cleaning feasibility parameter, and optimization of the curtain wall layout information is performed to acquire optimal curtain wall layout information. The problems of difficult layout optimization and high later cleaning cost of the special-shaped curtain wall caused by the complex shape are solved.
Owner:SHANXI NO 8 CONSTR GRP
An integrated tunnel demolition trolley
This utility model discloses an integrated tunnel demolition trolley, including a movable frame and wheels located at the bottom of both sides of the movable frame. A portal-shaped space is formed between the wheels. A first lifting mechanism is located at the top of the portal-shaped space. First load-bearing platforms are located on both sides of the portal-shaped space, and a second load-bearing platform is located above the portal-shaped space. A cantilever that can extend to one side of the movable frame is slidably mounted above the second load-bearing platform. A second lifting mechanism is located at the extended end of the cantilever. A third load-bearing platform is located at the top of the movable frame. This integrated tunnel demolition trolley has a reasonable overall layout, can meet the demolition requirements of pipes, cables, and other components at various locations within the tunnel, has strong adaptability, and helps improve work efficiency.
Owner:SINOHYDRO BUREAU 8 CO LTD
Suspension device for BOP trolley
The invention discloses a suspension device for a BOP trolley, which belongs to the technical field of ocean platform deck equipment and comprises a trolley adapter with openings on two sides, a support plate is arranged at the bottom of the trolley adapter, an adapter central sleeve is arranged in the middle of the trolley adapter, and a pipe string nipple is arranged in the adapter central sleeve in a replaceable manner. The mud recovery pipe string or the casing pipe string can be hung and moved on the deck surface of the moon pool, operation is easy, and reliability is high; one side of the trolley adapter is provided with a [-shaped space for accommodating the subsea pump, and the [-shaped space can be used for storing and transporting the subsea pump or other underwater equipment with the same size; after the walking board is installed on the U-shaped space, the adapter can be used as an operation platform, manual operation in a moon pool deck area can be facilitated, the suspension device is simple in overall structure, easy to operate and suitable for various operation working conditions, the equipment utilization rate of the BOP trolley is improved, and the drilling operation time is saved.
Owner:CNPC NATIONAL OIL & GAS DRILLING EQUIPMENT ENGINEERING & TECHNOLOGY RESEARCH CENTER CO LTD +2
Indoor decoration plate with multiple splicing modes
The utility model relates to the related technical field of indoor decoration, in particular to an indoor decoration plate with multiple splicing modes, which comprises a decoration plate, an arc-shaped strip is arranged on the surface of the decoration plate, a transverse splicing component is arranged on the transverse side edge of the decoration plate, and a vertical splicing component is arranged on the vertical side edge of the decoration plate. According to the indoor decoration plate with the multiple splicing modes, the transverse splicing assemblies are combined through connecting grooves and positioning blocks, rapid horizontal butt joint is achieved, transverse displacement is effectively prevented, and the vertical splicing assemblies ensure accurate positioning and firm connection of the plates in the vertical direction through clamping strips and wedge-shaped locking structures; the decoration plate is simple in structure and convenient to use, falling caused by gravity or external force pulling is avoided, the decoration plate can easily meet the splicing requirement of a complex space under the synergistic effect of the two parts, seamless splicing can be achieved no matter a regular rectangular area or a special-shaped space with a corner and a concave-convex face, and the practicability and application scene adaptability of the decoration plate are greatly improved.
Owner:SHENZHEN RIGHT ANGLE DESIGN ENG CO LTD
Installation method of special-shaped space grid
The present application relates to the technical field of large-span steel structure installation, and discloses a special-shaped space truss installation method. The special-shaped space truss is divided into a support area truss, a plurality of lifting area trusses and a plurality of embedded area trusses. The support area truss and the lifting area trusses are connected through the embedded area trusses. A temporary support system is built on the existing support structure. The support area truss is installed in parts on the temporary support system. A single lifting area truss is assembled in parts in the original position and original posture. The single lifting area truss is lifted to a preset height. The installation of the embedded area trusses around the lifting area trusses is completed. Then, the lifting point of the single lifting area truss is unloaded. The lifting of all the lifting area trusses and the installation of the embedded area trusses are sequentially completed. The present application successfully realizes the installation of the large-span folded line-shaped super-high heavy special-shaped space truss with high work efficiency, high precision and low cost.
Owner:SHANGHAI MECHANIZED CONSTR GRP
An adjustable-angle LED display curved lock
ActiveCN224284048UEasy splicingincrease flexibilityCasings/cabinets/drawers detailsStands/trestlesLED displayMechanical engineering
This utility model provides an angle-adjustable curved lock for LED displays, comprising a housing, an angle adjustment mechanism, and a side-locking mechanism. A rotating base is disposed within the housing. The angle adjustment mechanism includes an angle adjustment component, an angle adjustment disc, and a knob. The angle adjustment disc is located at the top of the angle adjustment component, and the bottom of the angle adjustment component is located within the housing. The angle adjustment component is mounted on the rotating base. The knob passes through the angle adjustment disc and is located within the angle adjustment component. Multiple sets of protrusions are evenly distributed around the periphery of the angle adjustment component, each set of protrusions having a locking hole. The side-locking mechanism includes a fixing sleeve and a handle. One end of the handle is connected to the fixing sleeve, and a limiting pin passes through the fixing sleeve. The top of the limiting pin passes through one set of locking holes in the angle adjustment component. Through the cooperation of the angle adjustment mechanism and the side-locking mechanism, multi-angle splicing can be achieved, meeting the installation requirements of curved surfaces and irregularly shaped spaces, improving installation flexibility and adaptability, and broadening application scenarios.
Owner:SHENZHEN YUNDING OPTOELECTRONICS TECHNOLOGY CO LTD
Fixing device for S-shaped space torsion pipeline vibration impact test
The invention relates to the technical field of aviation pipeline testing tools, in particular to a fixing device for an S-shaped space torsion pipeline vibration impact test. The fixing device comprises a rectangular bottom frame, a first supporting frame, a second supporting frame and a top end supporting frame. A rigid three-dimensional framework is formed by combining a modularized rectangular bottom frame, a first supporting frame, a second supporting frame, a top end supporting frame and a plurality of fixing pieces together. According to the framework, the corresponding fixing pieces are arranged at the multiple key point positions in the space respectively to fix the S-shaped space torsion pipeline, and all-dimensional and multi-point-position accurate clamping and fixing of the ends and the arm sections of the S-shaped space torsion pipeline are achieved. The real installation boundary of the S-shaped space torsion pipeline is perfectly reproduced, unexpected shaking and harmful local resonance of the S-shaped space torsion pipeline in the vibration impact test process are fundamentally restrained, and the authenticity of a vibration excitation transmission path and the accuracy of test boundary conditions are ensured.
Owner:CHONGQING SUSHI GUANGBO ENVIRONMENTAL RELIABILITY TECH CO LTD
Combined tool for disassembling special-shaped space guide rail
The utility model relates to the technical field of guide rail disassembling, in particular to a combined tool for disassembling a guide rail in a special-shaped space, which is characterized in that a linear head disassembling cutter is mounted on a ratchet wrench, so that the ratchet wrench can extend into a narrow area of a screw in the guide rail, and the screw with larger tightening torque can be disassembled in the special-shaped space; and meanwhile, all the components are convenient and fast to obtain, convenient and fast to assemble, easy to machine, low in cost, high in expansibility and suitable for assembly of other similar parts.
Owner:SHANGHAI HAI YING MECHANICAL FACTORY
Installation sliding track structure for special-shaped space truss
The utility model discloses an installation sliding track structure for a special-shaped space truss, and relates to the technical field of sliding tracks, which comprises a track body, a cleaning mechanism, an oil injection assembly, an oil supply mechanism and a control mechanism, and the cleaning mechanism is arranged on the outer wall of the track body and used for cleaning the sliding track for installation of the special-shaped space truss. The sliding rail installation structure for the special-shaped space truss is arranged on the outer wall of the rail body and used for conducting oil injection lubrication on the sliding rail for installation of the special-shaped space truss, the cleaning mechanism is arranged, the cleaning mechanism can clean the rail groove in real time or at regular intervals, dust, sundries and the like in the rail groove can be effectively removed, and the service life of the sliding rail is prolonged. The cleaning brush is convenient to replace by means of the connecting assembly, when the cleaning brush is abraded or dirty to a certain degree, the cleaning brush can be rapidly and conveniently replaced, the continuity of the cleaning effect is guaranteed, and meanwhile the maintenance time and the labor cost are reduced.
Owner:HANGZHOU CHAOFENG STEEL STRUCTURE CO LTD
A curved surface space frame splicing connection structure
ActiveCN119843892BBuilding reinforcementsBuilding material handlingClassical mechanicsFriction force
This invention discloses an arc-shaped space frame splicing connection structure, including a node structure. The node structure includes a sphere with ribs inside. Anchor bolts and supports are welded to the outer surface of the sphere, and the sphere also has casting holes and ventilation holes. An adjustment component is provided at the bottom of the node structure. The adjustment component includes a movable cylinder fixedly connected to the supports, and a fixed cylinder is slidably connected to the movable cylinder. This arc-shaped space frame splicing connection structure connects the node structures by setting up an adjustment component and an operating component. By using the lead screw in the adjustment component, the movable cylinder can be moved up and down inside the fixed cylinder, and the position of the node structure can be precisely adjusted. At the same time, the friction texture on the surface of the friction block and the elasticity of the spring in the operating component lock the overall structure by increasing the friction force, thereby improving the overall stability of the device.
Owner:SHANGHAI GENERAL METAL STRUCTURE ENG
A joint-shaped space target capture device
The present invention relates to the technical field of space target capture, and specifically to a joint-type space target capture device. A group of curled-up telescopic frames arranged around each other, the curled-up telescopic frames including a group of joint frames hinged in sequence from the proximal end to the distal end, a pair of first hinge points provided on the joint frames, adjacent joint frames hinged at the first hinge points on the proximal side, and a second hinge point provided on the joint frames on one side of the line connecting the pair of first hinge points; a group of telescopic driving members, the telescopic driving members connected between a pair of adjacent joint frames, the proximal and distal ends of the telescopic driving members respectively hinged to the joint frames on the proximal and distal sides at the second hinge points, the telescopic driving members being used to drive the proximal and distal ends thereof to move relatively away from or closer to each other, so as to realize relative movement of a pair of second hinge points on an adjacent pair of joint frames in two directions of moving away from or closer to each other; and a connecting frame, the joint frame on the proximal side of the curled-up telescopic frame being installed on the connecting frame. Suitable for capturing large space targets.
Owner:SUZHOU SANYUAN AEROSPACE TECH CO LTD +1
Circle center positioning device and circle center positioning method
Owner:ZHENGZHOU MOTOR VEHICLE QUALITY INSPECTION & CERTIFICATION TECHNOLOGY RESEARCH CENTER CO LTD
Terminal block easy to assemble with spring fingers
The invention is a terminal block with easily assembled spring pieces. The insulating base has a receiving space and an insertion opening with an insertion direction. The insulating base has a side opening. A guide structure is arranged in the receiving space. The guide structure includes a guide piece and a guide arm. The guide piece has a passing space between the top facing the insertion opening and the insulating base. Two adjacent sides of the guide piece have L-shaped spaces with the insulating base. Two adjacent sides of the guide arm have U-shaped spaces with the insulating base. A lead terminal is positioned in the L-shaped space. The spring piece includes an abutting section, a positioning section, and a U-shaped section connecting the abutting section and the positioning section. The spring piece is inserted into the passing space and the U-shaped space from the side opening and combined with the guide arm. Thus, the spring piece does not need to be bent at a large angle to be assembled into the insulating base, so that the required spring clamping force is maintained.
Owner:DINKLE ENTERPRISE CO LTD +1
Fluid device
PendingUS20250303411A1Material analysis by observing effect on chemical indicatorMaterial analysis by electric/magnetic meansCircular discPhysics
The present disclosure provides a fluidic device including a device main body having a disk-shaped space for containing a fluid; a fluid inlet configured to introduce the fluid tangentially into the disk-shaped space at the 0 o'clock position of a substantially circumferential portion; and a fluid outlet configured to guide the fluid out of the disk-shaped space at the 6 o'clock to 12 o'clock position of the substantially circumferential portion of the space.
Owner:PROVIGATE KK
Anti-sprue structure of a stamping die and a stamping die
This application discloses an anti-chip-jumping cutting edge structure for a stamping die, relating to the field of stamping die technology. The anti-chip-jumping cutting edge structure includes a blanking cutting edge with a blanking wall section, and a vertically extending straight wall section above the blanking wall section. The blanking slope of the inner hole is determined according to the thickness of the material to be blanked. An anti-chip-jumping groove is provided at the edge of the straight wall section, extending continuously along the edge of the blanking cutting edge. The anti-chip-jumping groove has a wedge-shaped cross-section along the blanking direction, including a first sidewall, a second sidewall, and a bottom wall arranged opposite to each other. The first sidewall has a first slope inclined relative to the vertical direction, and the second sidewall has a second slope inclined relative to the vertical direction. The first and second slopes are in opposite directions, thus forming a wedge-shaped space that is narrower at the top and wider at the bottom inside the anti-chip-jumping groove. This space generates a wedging and resisting force when the chip bounces back in the opposite direction of blanking. This application can prevent the chip from bouncing back during the blanking process.
Owner:GOERTEK INC
Photoresist spin coating process simulation method and computer equipment
ActiveCN119358440BDesign optimisation/simulationComplex mathematical operationsMathematical modelWafer
The present application relates to a method and computer equipment for simulating a photoresist spin-coating process. Based on parameter information of a target wafer and position information of a photoresist injection port, a fan-shaped simulation grid is established; the fan-shaped simulation grid is a fan-shaped space region in a cylindrical space; the cylindrical space is a space region enclosed by spatial extension with the surface of the target wafer as the bottom surface and the plane where the photoresist injection port is located as the top surface; a two-phase flow fluid mathematical model is established; through a target solver, the two-phase flow fluid mathematical model is iteratively solved according to the boundary conditions of the fan-shaped simulation grid, the fluid properties corresponding to the two-phase fluid and the initial conditions of the process simulation, and the simulation results of the photoresist spin-coating process are determined, thereby improving the simulation efficiency of the photoresist spin-coating process, avoiding the high cost and time consumption required by traditional simulation methods, and making the adjustment and optimization of process parameters more efficient and flexible.
Owner:ZJU HANGZHOU GLOBAL SCI & TECH INNOVATION CENT