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50results about How to "Improve space adaptability" patented technology

Thin-layer sound absorption superstructure composite acoustic shield and use method

According to the thin-layer sound absorption superstructure composite acoustic enclosure and the using method, the acoustic enclosure is composed of the cover plate, the conformal frame, the thin-layer sound absorption superstructures and the porous sound absorption materials, the variety of the thin-layer sound absorption superstructures is not limited to one, and the broadband noise reduction effect can be achieved through the parallel superposition design of the thin-layer sound absorption superstructures and the porous sound absorption materials. Wherein the thin-layer sound absorption superstructure can absorb noise in different frequency ranges of medium and low frequency bands, the porous sound absorption material can absorb noise in medium and high frequency bands, and the working bandwidth of the composite acoustic shield after parallel connection and superposition can cover the low, medium and high wide frequency bands. The thin-layer sound absorption superstructure composite acoustic shield further has the advantages of being high in space utilization rate, high in space adaptability, small in thickness, low in surface density and high in material replaceability. Compared with an existing sound insulation cover, on the premise that the thickness is small and the surface density is low, the working frequency band is wider, the sound insulation effect is better, and the sound insulation cover has wide application prospects in noise control of various mechanical and electrical products.
Owner:XI AN JIAOTONG UNIV

New energy utilization rate evaluation method based on electric power spot market

The invention discloses a new energy utilization rate evaluation method based on an electric power spot market, and belongs to the technical field of new energy station power generation. Related information published by a transaction center is acquired, and then the loss rate is calculated from two perspectives of published power and published price according to actually and specifically acquired data information; therefore, the overall utilization rate of the new energy is further calculated, the disadvantage that the traditional evaluation of the power limiting rate or utilization rate is disjointed with the power transaction is avoided, the objectivity and practicability of the evaluation are improved, and the misjudgment risk is reduced by integrating the information of the two perspectives. And finally, calculating the year-on-year ratio and the ring-on-ring ratio of each loss rate to the overall utilization rate of the new energy, and reasonably evaluating the future income of the new energy station within a certain time duration.
Owner:BEIJING LANMUDA TECH CO LTD

Height increasing frame and combined storage structure thereof

PendingCN121987029AImplement modular addition and deletionChange the direction of the operating surfaceDomestic lightingBatteries circuit arrangementsSurface mountingClassical mechanics
The heightening frame and the combined storage structure thereof are characterized in that the heightening frame comprises a heightening frame body, a basic heightening module and a functional module, the heightening frame body is provided with a top face bearing part and a bottom face mounting part, and at least one set of linearly-distributed inserting guide rails are arranged on the bottom face of the top face bearing part in the length direction; the bottom surface mounting part is provided with a plurality of second butt joint structures; the basic heightening module is composed of supporting assemblies, and the supporting assemblies are matched through butt joint structures and connecting structures to achieve supporting and vertical stacking extension. The functional modules are matched with the guide rails through the sliding blocks, and sliding adjustment and forward and reverse posture switching along the bottom face of the body are achieved. According to the combined storage structure, the two main bodies are in butt joint in an upright and inverted mode to form the containing gap. Flexible layout and form switching of functional modules are achieved, the height can be modularly adjusted, a double-layer storage space is constructed through the combined storage structure in a combined mode, and the structural strength and the space utilization rate are improved.
Owner:GUANGDONG UNIV OF TECH

Water drinking equipment

The utility model discloses water drinking equipment, which relates to the technical field of water drinking and comprises a base, a support, a compressor, a tank body, an evaporator, a condenser, a second refrigerant outflow pipe and a capillary tube. The bracket is fixedly connected with the base, and a mounting space is formed between the base and the bracket; the compressor is arranged in the mounting space and is connected with the base; the tank body is arranged outside the mounting space; the evaporator is connected to the periphery of the tank body; the condenser is arranged in the base and is connected with the compressor; a second refrigerant outflow pipe is connected with the evaporator and the compressor; one end of the capillary tube is connected with the condenser, the other end of the capillary tube penetrates out of the mounting space and is connected with the evaporator, the capillary tube comprises a spiral section, and the spiral section is arranged outside the second refrigerant outflow pipe in a sleeving mode; according to the technical scheme provided by the utility model, the miniaturization level of the drinking equipment can be improved.
Owner:FOSHAN SHUNDE MIDEA WATER DISPENSER MFG +1

AGV device for lifting and transferring material flow

The utility model discloses a kind of AGV devices of lifting and moving logistics, comprising: mobile chassis;Height adjusting mechanism, is installed on the mobile chassis, for the butt joint height of dynamic adjustment material bearing surface;Material conveying mechanism is connected with the height adjusting mechanism, for the receiving, temporary storage and transfer of material;Material detection component, is installed on the baffle of the two sides of the material conveying mechanism, for detecting material state;Man-machine interface panel, is set on the upside of the height adjusting mechanism, for parameter adjustment and state monitoring, realizes the automatic receiving, temporary storage, transfer and anti-falling protection of material, whole process does not need manual intervention.
Owner:MAIXING INTELLIGENT ROBOT (SUZHOU) CO LTD

Transfer device, transfer method and biochemical substance analysis system

A transfer device, a transfer method and a biochemical substance analysis system.The transfer device comprises a movement module and a grabbing module, the grabbing module is used for grabbing a to-be-transferred carrier, and the movement module is used for driving the to-be-transferred carrier to move in a first direction, a second direction and a third direction; and the driving device is also used for driving the to-be-transferred carrier to rotate in a rotating plane formed by the first direction and the second direction, so that the to-be-transferred carrier is transferred among different mounting platforms. According to the transfer device, linear movement in multiple directions and rotation in the rotation plane can be achieved, so that the transfer flexibility of the to-be-transferred carrier is improved, the space adaptability is high, and the transfer device is simple in structure, high in transfer precision and low in cost.
Owner:WUHAN MGI TECH CO LTD

Multi-degree-of-freedom grasping and positioning mechanism for emulsion explosive loading robot

This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.
Owner:山西金恒化工集团股份有限公司

Multi-dimensional fire-fighting cabinet

The utility model discloses a multi-dimensional fire-fighting cabinet, and relates to the technical field of fire-fighting equipment, and the scheme is as follows: the multi-dimensional fire-fighting cabinet comprises a fire-fighting cabinet body in which a fire-fighting equipment accommodating cavity is constructed; the plurality of cabinet door assembly ports are all formed in the fire-fighting cabinet body, the plurality of cabinet door assembly ports are distributed in a polygon shape, and the plurality of cabinet door assembly ports are all communicated with the fire-fighting equipment accommodating cavity to form a fire-fighting equipment access channel; the plurality of cabinet doors are correspondingly mounted at the plurality of cabinet door assembly openings respectively, so that the fire-fighting equipment accommodating cavity is closed and opened; the unique polygonal cabinet body design can be adopted, the situation that people wait in line when taking objects through a traditional fire-fighting cabinet is thoroughly changed, the overall object taking efficiency is greatly improved, and precious time is won for fire rescue.
Owner:SICHUAN CHENGFENGDA TECHNOLOGY CO LTD

Ceiling type flexible water storage structure suitable for underwater

The invention discloses a ceiling type flexible water storage structure suitable for underwater, comprising: a flexible bag comprising a bag body inner membrane and a bag body outer membrane; the bandage is arranged on the outer surface of the flexible bag and used for fixing the position of the flexible bag; and the concrete ceiling corresponds to the flexible bag in position, and the flexible bag is located on the inner side of the concrete ceiling. According to the ceiling type flexible water storage structure suitable for underwater, the flexible bag is arranged in a water area close to the island reef, the flexible bag is fixed through the anchor cable and the concrete ceiling, and the flexible bag and the breakwater are combined to form necessary conditions for storing fresh water, so that the aim of offshore water storage of the island reef is achieved; the flexible bag can be flexibly adjusted according to the shape of the storage space, is suitable for irregular submarine topography, and has the advantage of good space adaptability; and compared with a rigid water storage tank, the flexible bag is easier to transport and mount, and is particularly suitable for remote or resource-limited island regions.
Owner:ZHEJIANG UNIV +2

A side-type magnetic stirring device and method

This invention discloses a side-mounted magnetic stirring device and method. The device includes a storage unit, a spherical stir bar placed inside it, and a magnetic stirrer disposed on its outer wall. The spherical stir bar has an embedded magnet, and the magnetic stirrer drives the spherical stir bar to roll and / or rotate through a magnetic field. The outer wall of the storage unit may be provided with a slide rail or guide groove, and the magnetic stirrer can move axially via a slider or roller; it may also include a fixing component and an adjusting screw for connecting the magnetic stirrer and the liquid-pushing piston and adjusting their relative positions. The method includes placing the spherical stir bar inside the storage unit, starting the magnetic stirrer to drive stirring, and making the magnetic stirrer move synchronously with the liquid-pushing piston. This invention requires no modification to the opening, does not occupy bottom space, has no leakage risk, and is easy to assemble and disassemble, making it particularly suitable for tubular liquid storage units with limited bottom space or requiring temporary stirring.
Owner:SHANGHAI TANGFENG ENERGY TECH CO LTD

Space double-channel optical fiber rotary connector

The invention relates to an optical fiber rotary connector, in particular to a spatial dual-channel optical fiber rotary connector, and aims to overcome the defects that an existing dual-channel optical fiber rotary connector is poor in environmental adaptability or high in assembly difficulty or difficult to complete two-way signal transmission. The spatial dual-channel optical fiber rotary connector comprises a rotor sleeve, a stator shell, a first optical assembly and a second optical assembly, the rotor sleeve and the stator shell are coaxially and rotatably connected, and the first optical assembly comprises a first input assembly, a beam expanding assembly, a beam shrinking assembly and a first output assembly which are sequentially arranged along an optical path; the first input assembly and the beam expanding assembly are arranged in the rotor sleeve, input a first optical signal and form a collimated hollow light beam; the beam shrinking assembly and the first output assembly are arranged in the stator shell, and the collimated hollow light beam is shrunk and output; and the second optical assembly is arranged in a second input assembly and a second output assembly in the stator shell and is used for transmitting a second optical signal.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Pipe horizontal bend support structure for confined spaces

ActiveCN224743070UImprove space adaptabilitySmall construction space requirement
This utility model discloses a support structure for horizontal pipe bends in confined spaces, relating to the field of pipe laying and support technology. It includes multiple support units arranged at arc intervals along the thrust direction of the bend. Each support unit comprises a steel column vertically anchored to the foundation surface, a pressure plate fixedly connected to the upper part of the steel column, and an arc-shaped support plate fixedly disposed above the pressure plate to support the bend. The support surface of the arc-shaped support plate is adapted to the outer wall contour of the bend, forming a good contact surface. This utility model, through modular and prefabricated design, achieves miniaturization, lightweighting, and rapid construction of the support structure, making it particularly suitable for pipeline projects in densely built-up areas and other confined workspaces, exhibiting significant practicality and economic benefits.
Owner:HEBEI RES INST OF INVESTIGATION & DESIGN OF WATER CONSERVANCY & HYDROPOWER

A luffing tower crane jib head

This application discloses a luffing tower crane jib head, including a modularly designed jib head frame, hoisting pulley block, and maintenance basket. The jib head frame consists of a lower section structure, a main chord structure, and a first diagonal web member, which is stable and easy to connect. The lower section structure has detachable and modular outriggers at the bottom, which facilitates support during transportation and installation and reduces weight during operation. One end of the main chord member is firmly connected to the jib section, while the other end is closed to enhance strength. The first diagonal web member and the transverse web member form a triangular structure to distribute the force. The hoisting pulley block is equipped with a rope-stopping device, with the rope-stopping ring and rope-stopping rod providing double protection to prevent the wire rope from detaching and ensuring convenient wire rope passage. In addition, a walkway, handrails, and maintenance basket are provided to offer workers a stable working platform. This application improves the spatial adaptability, safety, and operational efficiency of the luffing tower crane jib head while reducing costs.
Owner:XUZHOU CONSTR MACHINERY

Battery pack and electric device

ActiveCN224721008UAct as a fenceImprove space adaptability
The utility model relates to a kind of battery pack and electric equipment, battery pack includes: battery box;At least one battery module, battery module includes first support, second support and battery cell group, reinforcing rib is set on first support and second support, first support and second support are symmetrically set on battery cell group, first support and second support form contactless annular groove in the circumferential direction of battery cell group, battery module is set in battery box;Support module, including several sheet metal parts, each sheet metal part is set on the inner wall surface of battery box, and each sheet metal part is respectively resisted in first support and second support. Thus, without adding connecting piece to connect, make it suitable for compact installation field;Also make the more space in the battery box of unit volume to accommodate battery cell group, improve the energy density of product.In addition, the durability of product is also guaranteed.
Owner:SHENZHEN TOPBAND NEW ENERGY CO LTD

Inclined leg type lifting table

The utility model discloses an inclined leg type lifting table, belongs to the field of lifting tables, solves the problem that the service life of a gear is shortened due to the fact that the abrasion degree of the gear is easily increased when the same gear box is shared, and adopts the technical scheme that the inclined leg type lifting table mainly comprises table legs, a lifting stand column, a table plate and a power source for driving the lifting stand column to stretch out and draw back, the lifting stand column is obliquely arranged between the table legs and the table board, a transverse stand column for controlling the table board to move horizontally is fixed to the top of the lifting stand column, the lifting stand column comprises a first transmission assembly and a first gearbox, the transverse stand column comprises a second transmission assembly and a second gearbox, and the transmission rod is in transmission connection with the first gearbox and the second gearbox at the same time. In the process that the lifting stand column drives the table board to lift, the transverse stand column drives the table board to horizontally move so as to compensate horizontal displacement caused by lifting of the table board along with the lifting stand column. The gear boxes of the lifting stand column and the transverse stand column are independently arranged, so that the possibility that the output shaft is damaged is reduced.
Owner:NINGBO HAISHIKAI DRIVER TECH CO LTD

A portable vegetable cutter with a chair-style structure

This invention discloses a portable vegetable cutter with a chair-like structure, belonging to the field of kitchen utensil technology. Specifically, it is a portable vegetable cutter with a chair-like structure, including a frame, a chair-shaped appearance, a conveyor belt at the top, a flipping and fixing mechanism at the rear, a cutting device at the front, and a folding baffle at the bottom. An electric drill is located inside. All components are linked together via a chain drive mechanism. The electric drill is a detachable external power source, with power transmitted to the conveyor belt and cutting device via the chain. The blade speed is adjusted by its rotational speed. The flipping and fixing mechanism helps to fix the position of food ingredients. The folding baffle can be folded for storage when not in use and unfolded to limit the fall area when in use. This vegetable cutter has a compact structure, is easy to operate, uses an electric drill for power, and achieves multi-level linkage through chain drive, combining practicality and convenient storage.
Owner:徐奋生

A wrench for aviation plugs

This utility model relates to a wrench for aviation connectors, comprising: a socket head including a groove for fitting and securing the aviation connector; a fixed shaft fixed to the socket head, the fixed shaft being located on the opposite side of the groove, with one end of the fixed shaft extending out of the socket head; and a handle mounted on the fixed shaft and rotatable therearound, the handle being located at the portion of the fixed shaft extending out of the socket head. Compared with the prior art, this utility model has advantages such as suitability for confined spaces, reduced labor intensity, and improved efficiency and quality in the assembly and disassembly of aviation connectors.
Owner:CLP CHINA NUCLEAR POWER ENG TECH

Orthopedic multi-finger teaching display device

The invention belongs to the technical field of teaching display, and particularly discloses an orthopedic multi-finger teaching display device which comprises a mobile control box, an operation display device, a multi-axis operation arm, a follow-up video recorder and a vertical display, a frame arm is vertically installed above the mobile control box, and a drawer table is fixedly installed above the outer portion of the frame arm. According to the multi-axis bone and finger model comprehensive demonstration device, through cooperative work of the multi-axis arm and the adjustable video recording unit, multi-angle and high-multiple clear presentation of overall and local details of a bone and finger model is achieved; magnified images can be transmitted to the vertical display for students in the back row to observe; meanwhile, multi-degree-of-freedom adjustment and folding storage of the video unit are realized through the driving piece and the telescopic piece, so that the space adaptability is greatly improved; the structure of the quick-release rotating piece enables the close-up lens to be convenient to disassemble and assemble, and the teaching efficiency and the operation flexibility are remarkably improved.
Owner:FUJIAN PROVINCIAL HOSPITAL

A protective structure for the connection of municipal drainage pipes

This utility model relates to the field of drainage pipeline technology, specifically a protective structure for the connection of a municipal drainage pipeline. It includes two pipe bodies, each with a second flange fixedly connected to its end. A corrugated pipe is installed between the two second flanges, with a first flange fixedly connected to both ends of the corrugated pipe. The other end of the first flange abuts against the second flange. A rotating ring is rotatably connected to the first flange, and a set of limiting blocks is fixedly connected to the rotating ring. A set of protrusions is fixedly connected to the second flange, with the limiting blocks abutting against the protrusions. A screw is rotatably connected to one of the limiting blocks in each set, and a threaded hole is formed on one of the protrusions in each set. The end of the screw is threadedly connected to the threaded hole. This design makes the connection between the corrugated compensation structure and the pipe body simple and flexible, while also ensuring a more stable connection and guaranteeing the stability and sealing of the pipeline system.
Owner:HONGXIN CONSTR

A heavy workpiece-based rotary feeding and discharging method and system

PendingCN122233308Aavoid collision interferenceImprove space adaptabilitySafety devices for lifting equipments
This invention provides a rotary loading and unloading method and system for heavy workpieces. The rotary loading and unloading method includes: acquiring target spatial parameters; generating a working trajectory based on the target spatial parameters, the working trajectory including an avoidance phase and a synchronization adjustment phase; calculating the translation commands of the pallet unit, and the rotation commands of the turret base unit and the rotating fork unit based on the trajectory points included in the working trajectory; during the calculation of the rotation commands, limiting the intermediate calculation parameters to a preset effective value range and determining a unique rotation direction; acquiring the cantilever load characteristic parameters of the rotating fork unit and calculating the height compensation value; and driving each unit to complete the loading and unloading. This invention, through a two-stage working trajectory design, relies on synchronous action to achieve smooth linear insertion of the forks, significantly reducing the dynamic rotation boundary of heavy-duty workpieces, effectively avoiding collision interference in narrow workstations, and improving the equipment's spatial adaptability to constrained industrial scenarios.
Owner:YIGONG ROBOT YINCHUAN CO LTD

A mr passive positioning method based on a graph neural network and an environment modulation hybrid expert

PendingCN122513730ASuppress abnormal noise interferenceImprove space adaptability
The application provides a measurement report (MR) passive positioning method based on a graph neural network and an environment modulation mixed expert. First, a global macro graph is constructed by extracting a work parameter to extract a high-order topological feature of a whole network. Second, a local micro sub-graph is created for a single MR, and a physical signal measurement priori is injected to perform attention correction. Then, a node feature is adaptively modulated by a characteristic linear modulation, and a coordinate basic offset and fine compensation prediction are completed by a multi-expert hybrid network and an environment residual network. Finally, a Huber-Haversine joint loss function is used for model optimization. The method effectively breaks the limitation of poor generalization ability of traditional global single modeling in the face of complex heterogeneous propagation environment, and through the joint constraint of topological cooperation, physical priori injection and multi-expert routing, the long tail positioning error caused by non-line-of-sight propagation is greatly reduced, and finally the high-robustness and high-precision passive positioning of a mobile terminal in a large-scale cellular network scene is realized.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

A tethered connection release mechanism for circumferential locking of irregularly shaped objects

The application discloses a rope connection unlocking mechanism for surrounding locking irregular shape objects, which is characterized in that the rope connection unlocking mechanism comprises a fuse assembly (1), a pull rope (2), an adjusting assembly (3), a locking force indicating assembly (4) and a main body collecting assembly (5), the fuse assembly (1) is connected with the locking force indicating assembly (4) through the pull rope (2), the locking force indicating assembly (4) is connected with the adjusting assembly (3) through the pull rope (2), the adjusting assembly (3) is connected with the fuse assembly (1) through the pull rope (2), the fuse assembly (1) realizes locking and power-on unlocking, the adjusting assembly (3) realizes tensioning of the pull rope (2), and the locking force indicating assembly (4) judges the size of the pre-tightening force and provides a basis for the tightening position of the adjusting assembly (3). The application has the advantages of good space adaptability, effective weight reduction, effective impact reduction and good connection rigidity.
Owner:SHANGHAI AEROSPACE SYST ENG INST

Modularly spliced e-commerce sample display stand

ActiveCN224403290USolve the problem of single perspectiveImprove space adaptabilityMultiple frameSoftware engineering
The utility model discloses modular splicing's e -commerce sample show stand relates to e -commerce technical field. The utility model discloses a base and frame box, the base top is provided with the positioning sleeve, the frame box bottom is provided with the positioning rod, the frame box inner chamber is provided with the rotating mechanism, and the rotating mechanism includes the rotating drum that is swingingly connected with the frame box inner wall through the bearing seat, and the transmission assembly that is transmission connection with the rotating drum surface. The utility model discloses the linkage of rotating mechanism and base drive unit, realizes the uniform -speed rotation of display disc, makes sample obtain multidimensional exposure, solves the single problem of traditional splicing show stand visual angle, and user can observe sample details from any angle, and simultaneously utilizes the plug -in design of positioning sleeve and positioning rod, supports the quick assembly of multiple frame boxes and base, effectively promotes the space adaptability of show stand, can complete the assembly without extra tool, and the dismounting efficiency is high, reduces use cost.
Owner:YANCHENG YONGPENG TECHNOLOGY CO LTD

Tool for disassembling and assembling common bolt and installing high-locking bolt

ActiveCN222570608UDisassembly and assembly stabilityquick disassemblySpannersWrenchesRatchetSprocket
The utility model relates to a tool for dismounting and mounting a common bolt and mounting a high-locking bolt, which comprises a wrench body, the wrench body comprises a shell, a chain wheel and a chain, the shell comprises a handle and a head shell, and the head shell consists of an anti-slip backing ring and two circular end plates; one end of the chain wheel is a ratchet wheel part with external teeth, and the other end is a locking sleeve with internal teeth; through grooves are formed in the two sides of the anti-skid backing ring, a round through hole is formed in the center of a round end plate on one side of the head shell, the chain wheel is placed in the head shell, the chain wheel and the head shell are rotatably fixed through a bearing, and the locking sleeve stretches out of the round through hole in the round end plate and is used for sleeving a bolt or a high-locking nut. The chain is meshed with the ratchet wheel part of the chain wheel, extends out of the through grooves in the two sides of the anti-skid backing ring and is used for driving the ratchet wheel part of the chain wheel to rotate, and the locking sleeve can rotate along with the ratchet wheel part of the chain wheel, so that screwing operation is conducted. The tool is small in size and suitable for installation scenes with narrow spaces.
Owner:JIANGXI MECHANICAL & ELECTRICAL VOCATIONAL & TECH COLLEGE

A separate portable mobile magnetic resonance system

The present invention provides a separated portable mobile magnetic resonance system, which comprises a main cabinet and a control cabinet, wherein the main cabinet and the control cabinet are connected via a cable. The magnetic resonance system of the present invention separates a magnetic resonance scanning main body from a control system part, and respectively arranges them in the main cabinet and the control cabinet, so that not only the weight of the magnetic resonance main body part can be reduced, the movement is convenient, and the space adaptability is better, but also the influence of the working noise of each control component on the patient during magnetic resonance scanning can be reduced.
Owner:RAY PLUS MEDICAL TECH CO LTD

A linkage structure of a steering wheel and a clock spring

The utility model discloses a kind of linkage installation structure of automobile steering wheel and clock spring, including U-shaped linkage, U-shaped linkage is located between automobile steering wheel and clock spring, at least two threaded through holes are spaced apart on U-shaped linkage, threaded mounting hole corresponding to each threaded through hole is set on the surface of the framework of automobile steering wheel, at least two linkage installation through holes are spaced apart on U-shaped linkage, linkage column corresponding to each linkage installation through hole is provided on the surface of clock spring;When installing, self-tapping screw is used to be screwed in threaded mounting hole on the framework after passing through threaded through hole on U-shaped linkage, so that U-shaped linkage is fixed on the framework, and the linkage column on clock spring is inserted in the linkage installation through hole of U-shaped linkage in interference fit mode.The utility model has strong space adaptability, firm installation, accurate positioning, lightweight and low cost.
Owner:EAST JOY LONG MOTOR AIRBAG

Method and system for accurately locating objects using RFID technology

This invention discloses a method and system for precise item positioning using RFID technology, relating to the field of item positioning technology. The system begins by receiving RFID signals emitted from product tags via an antenna array. After obtaining the time difference of the RFID signals arriving at each antenna, the relative position of the product is generated. A reflection path identification algorithm is used to correct the relative position. The incident angle of the signal is estimated based on the phase difference received by each antenna, generating the relative azimuth angle of the product. A fusion algorithm combines the relative position and relative azimuth angle to calculate the actual position coordinates of the product, enabling real-time positioning even when the product is in motion. The positioning system uses a fusion algorithm to calculate the product's position coordinates, effectively reducing the positioning error of a single algorithm, improving positioning accuracy, and dynamically adapting to warehouse structure and environmental characteristics, thus enhancing the spatial adaptability of the positioning system.
Owner:GUANGDONG ZHONGSHIFA INTELLIGENT TECH CO LTD

Liquid-liquid extraction dearomatization process and system

The invention discloses a liquid-liquid extraction dearomatization process and system, and belongs to the field of petrochemical industry. According to the process, N, N '-dialkyl pyrrolidone and / or N, N'-dioxypyrrolidone is used as an extraction solvent, and separation is completed through four steps of liquid-liquid extraction, raffinate oil rectification, back extraction and solvent and aromatic hydrocarbon recovery. The aromatic hydrocarbon selectivity and dissolving capacity are enhanced through the double-ring synergistic effect of the twin-structure solvent, the problems that an existing monocyclic solvent is low in selectivity and large in agent-oil ratio, and water washing is needed for solvent recovery are solved, raw material pretreatment and a cosolvent are not needed in the process, the aromatic hydrocarbon recovery rate reaches 85% or above, the solvent recovery rate exceeds 91%, and the method is suitable for industrial production. The method is suitable for high-efficiency separation of aromatic hydrocarbons and non-aromatic hydrocarbons of various fuel oils such as straight-run diesel oil, catalytic diesel oil and reformed gasoline.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Long-life space dual-channel optical fiber rotary connector

The invention relates to a dual-channel optical fiber connecting device, in particular to a long-service-life space dual-channel optical fiber rotary connector, and aims to overcome the defects that in the prior art, an optical fiber rotary connector is poor in environmental adaptability, complex in assembly and high in machining and assembly precision requirement. A long-life space dual-channel optical fiber rotary connector comprises a stator sleeve, a rotor sleeve, a first optical assembly and a second optical assembly. The first optical assembly comprises a first self-focusing lens, a beam expanding assembly and a conical lens group which are sequentially arranged in the stator sleeve along a light path, and a beam shrinking assembly and a second self-focusing lens which are sequentially arranged in the rotor sleeve along the light path, and the second optical assembly comprises a third self-focusing lens and a fourth self-focusing lens which are sequentially arranged along the light path; the coaxial double channels are formed through the first optical assembly and the second optical assembly, signal transmission in the rotating process is achieved, and mechanical transmission mechanisms such as gears and magnets do not need to be arranged.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI