481results about How to "Quick lock" patented technology

The invention discloses a multipath channel parameter reconstruction and beam coverage prediction method, and relates to the technical field of wireless communication. Aiming at the problems of low data utilization efficiency, limited environment modeling precision, strong coupling of measured data and antenna beam configuration and the like in the prior art, the method comprises the steps of configuring antenna beams and orientation parameters, collecting reference signal receiving strength, performing deterministic channel modeling simulation, establishing a mapping model, performing sparse recovery, constructing a channel propagation model, evaluating a channel map and the like. In combination with a coherence perception weighting network (CARE-Net) algorithm and ray tracing (RT) physical prior guidance, accurate reconstruction from a low-dimensional reference signal receiving strength (RSRP) measurement value to a high-dimensional multipath parameter is realized. The method has the advantages that the reconstructed multi-path parameters are decoupled from the antenna configuration, the method has the cross-beam / cross-configuration generalization prediction capability, the channel coverage performance under different antenna configurations can be accurately predicted, a reliable basis is provided for wireless network optimization, and the method is low in cost, high in precision and strong in generalization.

The invention relates to the technical field of heavy metal contaminated soil remediation, in particular to a plant-microorganism-passivator synergistic remediation method for a heavy metal contaminated farmland, which comprises the following steps: step 1, constructing a soil digital twinborn model; step 2, intelligent decision making and verification of a collaborative restoration scheme; 3, soil pretreatment before remediation; step 4, hierarchical collaborative restoration and dynamic regulation and control; 5, performing long-term verification on the repair effect and performing model iteration; physical heat treatment is used as strengthening pretreatment, the occurrence form of heavy metal is changed through high temperature, biomass charcoal is generated in situ, passivation immobilization-microbial strengthening-plant extraction three-stage collaborative operation is carried out according to the time sequence, pollutants are rapidly locked through a passivating agent, rhizosphere immobilization is strengthened through functional microorganisms, plant growth is promoted, and the quality of plants is improved. And the hyperaccumulator finally removes the heavy metals from the soil, so that the unification of short-term control and long-term reduction is realized.

This utility model discloses a folding stool, including a seat frame, a backrest, and legs. The backrest is rotatably mounted to the seat frame via a first pivot, and the legs are hinged to the seat frame via a first adjustment assembly. The first adjustment assembly has a limit hole, and the seat frame has a positioning hole corresponding to the limit hole. A rotating pin is inserted into the limit hole and the positioning hole. A second adjustment assembly is provided between the backrest and the seat frame. By providing a second adjustment assembly consisting of a pull plate, a toothed plate, a gear, and a spring, the user can easily adjust the backrest angle by holding the pull plate with one hand to separate the toothed plate from the gear. After releasing the pull plate, the spring automatically resets, causing the toothed plate to re-engage with the gear for quick locking. This structure is not only easy to operate but also achieves stepless adjustment, meeting the user's personalized comfort needs and overcoming the shortcomings of traditional pin-type adjustment which has a fixed angle, is laborious to operate, and is prone to wear.

The utility model discloses an easy dismounting chlorine gas supply filter unit relates to chlorine gas supply filter technical field, including filter box and positioning assembly, the front and back both sides of filter box are provided with filter assembly, positioning assembly sets up in the upper and lower both sides of filter box, and positioning assembly includes side plate, central shaft, pressing plate, guide portion and push rod. That easy dismounting chlorine gas supply filter unit through the setting of positioning assembly, when maintaining, need not with the aid of other tools, only need to push push rod to make pressing plate with central shaft as center rotation, remove from the outside of the sealing plate, at this time, pull handle can take out multiple filter plates from filter box simultaneously, thereby need not single one by one dismount, be favorable to improve the convenience when maintaining, and when installing, also only need to push back push rod, at this time, guide portion will play the guiding role when pressing plate moves to sealing plate, thereby drive pressing plate to compress sealant strip, seal between sealing plate and filter box.

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

The invention discloses a residual gas treatment device of a hydrogen peroxide sterilizer, and relates to the technical field of gas treatment devices.The residual gas treatment device is technically characterized by comprising a treatment shell, a gas inlet pipe is fixedly connected to one side of the treatment shell, an exhaust pipe is fixedly connected to the upper end of the treatment shell, and a filtering assembly is arranged on one side of the gas inlet pipe; a plurality of catalyst plates distributed in a crossed mode are fixedly connected to the inner wall of the treatment shell, a preheating assembly is fixedly connected to the outer side wall of the treatment shell, the filtering assembly comprises a filtering box, a filtering net is installed on the inner wall of the frame, and a baffle is fixedly connected to one side of the filtering net; a cleaning assembly is arranged on the inner wall of the filter box and located on one side of the filter screen. Residual gas entering the treatment shell is preliminarily filtered through the filtering assembly, impurities such as solid particles in the gas can be effectively intercepted, pore channel blockage and active site loss caused by the fact that the impurities make contact with the catalyst plate are avoided, and it is ensured that the catalyst plate is always kept in an efficient catalysis state.

This invention discloses a large-tapered anti-backlash tailstock adapted to a four-axis rotary table, specifically relating to the field of tailstock technology. It includes a base with a positioning and locking assembly. The positioning and locking assembly includes a central inner liner plate located in the middle of the base, with a mounting cavity in the center of the inner liner plate. An axially adjustable crossbar is inserted into the mounting cavity. This invention employs a dual-redundant structure of hydraulic and mechanical locking to fundamentally prevent the tailstock from backing up under force. The locking force is uniform and sufficiently rigid, achieving zero axial displacement positioning of the tailstock rod, thus laying a solid foundation for machining accuracy. Simultaneously, the dual locking, combined with a two-stage adjustment mechanism of coarse and fine axial adjustment, allows for deep synergy between adjustment and locking functions. Once adjusted to the correct position, the tailstock is quickly locked, improving positioning accuracy and making the anti-backlash effect more stable.

This invention discloses an intelligent modular composite milling and turning tool for machining centers, relating to the field of milling and turning tool technology. It includes a turret configured to be rotatably mounted on a machine tool turret base to perform multi-axis composite machining motions. The turret's disc body has a plurality of precision guide grooves arranged in a circumferential array extending radially. This invention constructs a closed fluid circulation loop comprising a spiral cooling pipe, a circulating pump, and a telescopic pipe, and incorporates an adaptive cooling assembly consisting of radial heat dissipation fins and a temperature sensor. This allows for real-time adjustment of coolant flow rate and heat dissipation power based on cutting heat, ensuring the tool holder remains in a constant-temperature machining environment. This effectively avoids dimensional errors caused by thermal deformation and improves the yield rate of machining heat-sensitive materials.

The utility model relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.

The application belongs to the technical field of positioning and measurement, and particularly relates to a target positioning method and device combining CSI coarse positioning and Y-type CCD fine correction, which comprises the following steps: S1, CSI acquisition equipment is arranged in a target area, and CSI data between a sending end and a receiving end is acquired; S2, a Y-type CCD sensor is geometrically calibrated and a coordinate system is corrected, and coordinate reconstruction is completed; S3, the CSI data is preprocessed, noise is removed, and input is normalized; S4, time domain features of the CSI are extracted by using a time domain branch; S5, frequency domain features of the CSI are extracted by using a frequency domain branch; S6, a gating fusion module is used to fuse the time domain and frequency domain features, and the approximate position coordinates of a target are output; S7, the Y-type CCD sensor is controlled to optically acquire a target area, and point light source coordinate information is acquired; and S8, error correction is performed on the data acquired by the Y-type CCD, and the accurate position coordinates of the target are output.

This utility model provides a motor lifting base, including a base plate and a top plate. A translation bracket is slidably connected to the top plate, and a support foot is fixedly connected to the top of the translation bracket. The support foot is used to install motor components. Translation drive components are connected to both sides of the translation bracket via screws and nuts. An adjusting rod one is rotatably connected to one side of the translation bracket via an extension rod, and an adjusting rod two is rotatably connected to the top of the base plate. The inner wall of adjusting rod one is slidably connected to the outside of adjusting rod two. The drive motor drives the synchronous component to drive the adjusting screws on both sides, realizing the synchronous and stable movement of the translation bracket. This facilitates the formation of an open installation platform in confined spaces. At the same time, adjusting rod one and adjusting rod two adopt a slanted platform compression and spring reset structure. A linear motor drives the compression slanted platform to push the positioning pin into the positioning hole, realizing rapid locking of length and angle, enhancing lateral support strength and improving adjustment efficiency, and avoiding damage to the bracket structure during motor installation.

This invention relates to the field of quick-change structure technology, providing a nozzle quick-change structure for rapid assembly and disassembly of the nozzle and mounting base. The structure includes a locking disc, a pawl, and a locking pin. The locking pin is fixed to the nozzle, and the locking disc is rotatably connected to the mounting base. One side of the locking disc has a spiral-shaped locking groove with a notch communicating with its outer circumferential surface, allowing the locking pin to be inserted into the groove. When the locking disc rotates in one direction, it presses the locking pin firmly. The outer circumferential surface of the locking disc has ratchet teeth, and a pawl is located on one side of the locking disc and connected to the mounting base. When the locking pin is pressed, the pawl and ratchet teeth engage to restrict the locking disc from rotating in the opposite direction. This invention effectively solves the problems of cumbersome assembly and disassembly and the long time consumption associated with traditional screw connections, ensuring connection stability and significantly improving the efficiency of nozzle replacement during inspection operations.

The utility model relates to female sanitary product technical field discloses a sanitary tampon of instantaneous suction and lock of cotton core, including cotton core, the wrapping layer of wrapping in cotton core outside, the pull line of connecting in cotton core one end and setting in the insertion head of cotton core other end, the cotton core has three -dimensional intercommunication network structure, the cotton core includes instantaneous suction layer, flow guide layer, liquid storage lock layer and protection layer gradually from inside to outside, the porosity of instantaneous suction layer, flow guide layer, liquid storage lock layer gradually reduces. The utility model discloses through setting the cotton core of multilayer structure, and the porosity of each layer gradually reduces from inside to outside, instantaneous suction layer can rapidly absorb menstrual blood, flow guide layer guides menstrual blood to the penetration of instantaneous suction layer and prevents reverse penetration, liquid storage lock layer stores a large amount of menstrual blood and locks and prevents side leakage, and protection layer prevents the exosmosis of menstrual blood from the outside of cotton core, and the overall improvement of sanitary tampon's absorption speed, absorption capacity and side leakage prevention performance.

This utility model provides an auxiliary device for the installation of ground source heat pump well pipelines, belonging to the field of ground source heat pump engineering technology, aiming to solve the problems of cumbersome fixed installation and inconvenient storage of existing auxiliary devices. The device includes a shell and a second fixing plate fixedly connected to the shell, as well as a rotating mechanism disposed at the end of the second fixing plate. The rotating mechanism includes a second rotating rod, a rotating wheel, a bottom cone rod, a first fixing rod, and a limiting component. The first fixing rod passes through the rotating wheel and drives the bottom cone rod to rotate between a storage position and a working position. The limiting component includes a second fixing block and a force-bearing block. In addition, the device is equipped with a disassembly mechanism for quick and detachable connection between the upper support and the shell. This utility model, through the bottom cone rod and the self-locking limiting mechanism, achieves rapid deployment, stable fixation, and convenient retraction of the device, improving the efficiency and safety of ground source heat pump pipeline installation operations.

The utility model provides a kind of electric pile function box applied to charging pile in, belong to electric pile technical field.It solved the problem that the existing market needs to carry more keys to open function box when carrying out periodic inspection maintenance to multiple charging piles in a region, so that the use of function box is not convenient enough, and causes more inconvenience to the work of staff.The electric pile function box applied to charging pile, including box body and box cover hinged on box body, the side of box body is provided with locking mechanism, for realizing the locking and release between box cover and box body, the utility model has the advantages that locking mechanism is set, the locking and release between box cover and box body is realized, and the operation of locking and release is simple, and the effect of quick locking and release can be achieved.

The utility model discloses a base material conveying structure applied to a textile machine, which comprises a textile device, a base material storage rack is arranged on the rear side of the textile device, a swing rod assembly is arranged on the base material storage rack, a moving assembly capable of moving along the direction of the swing rod assembly is arranged on the swing rod assembly, and the base material storage rack is provided with a base material conveying mechanism. An adjusting assembly used for adjusting the position of the moving assembly is arranged on the swing rod assembly, an angle positioning structure used for fixing the angle of the swing rod assembly is arranged between the swing rod assembly and the base material storage frame, and two positioning roll shafts are arranged on the moving assembly at intervals. Through the innovative synergistic effect of the swing rod assembly and the moving assembly, accurate and flexible adjustment of the input direction of the base material is achieved, the stability after adjustment is ensured through a reliable positioning structure, and therefore the quality and efficiency of textile production are improved, and diversified textile process requirements are met.

This invention discloses a collaborative control system and method for construction equipment based on digital twins, belonging to the field of collaborative control technology for construction equipment. The invention includes: S10: obtaining a real-time construction simulation model of the construction site; S20: determining the risk control points to be constructed in the construction plan; S30: finding the associated marked intelligent construction equipment for the risk control points; S40: determining the collaborative construction control benchmark between the risk control points and each associated marked intelligent construction equipment; S50: performing collaborative control of the associated marked intelligent construction equipment for the risk control points. This invention, by determining the collaborative construction control benchmark between the target intelligent construction equipment and each associated marked intelligent construction equipment, determines the control timing and sequence of the central control platform for each associated marked intelligent construction equipment, thereby achieving collaborative control of intelligent construction equipment during the construction rectification process.

This utility model belongs to the technical field of rail cutting machines, and specifically relates to a 36V dual-lithium battery rail cutting machine. It includes: two 36V lithium battery packs connected in series and detachably locked onto a mounting base on top of a motor; a connecting plate, one end of which is mounted to the motor, and the other end of which is fitted with a rotatable cutter head, and the motor and cutter head are connected by a transmission mechanism; wherein the connecting plate includes: a main connecting plate and a secondary connecting plate; the main connecting plate and the secondary connecting plate are detachably locked together; a fixing sleeve, the main connecting plate having a through groove and a waist-shaped slot, the fixing sleeve being movably inserted into the through groove, and the fixing sleeve being locked in place by a locking bolt; this utility model uses dual 36V lithium battery packs connected in series to replace the existing 72V single lithium battery pack power supply, reducing maintenance costs.

The invention provides an intelligent early warning and root cause positioning method and system for a multi-source log and a storage medium, and the method comprises the steps: firstly, analyzing a historical log stream, generating an index dynamic baseline which is adaptive along with a period, carrying out the index extraction and deviation calculation of a real-time multi-source log stream, and carrying out the comprehensive judgment of continuous deviation and correlation deviation, thereby achieving the intelligent early warning and root cause positioning of the multi-source log. Generating an initial abnormal event carrying a context; secondly, graph traversal and deviation quantitative analysis are carried out on the event based on an association graph database, and when the calculated link deviation exceeds a threshold value, the event is upgraded to be an early warning event; then, according to a preset fault mode knowledge base, executing a plurality of root cause speculation paths containing threshold comparison according to a priority sequence, so as to quickly lock high-probability root causes; and finally, generating and displaying a structured analysis report by automatically integrating all analysis processes and results. Therefore, the early warning accuracy and the fault positioning efficiency are improved.

The utility model relates to the technical field of bolt punching, and discloses a drilling device for T-shaped bolt machining, which comprises a base and a drilling machine, a lifting plate is fixedly supported on the vertical center line above the base through a first electric push rod, the drilling machine is mounted in the middle of the bottom of the lifting plate, and a locking seat is arranged on the surface of the side base right below the drilling machine. A vertically-through locking groove is formed in the surface of the locking base, a side opening communicated with the locking groove is formed in the side, close to the drilling machine, of the locking base, and an iron cover plate covers the locking base. According to the technical scheme, the locking seat with the locking groove and the side opening is arranged on the surface of the base, a nut part of the T-shaped bolt can be inserted into the locking groove, the bolt body penetrates out of the side opening, then the iron cover plate is attracted and locked through the electromagnet, the nut of the T-shaped bolt is pressed and locked through the abutting block on the surface of the boss, and the T-shaped bolt is locked. And quick locking of the T-shaped bolt is achieved, quick taking down of the T-shaped bolt is facilitated, and efficient drilling machining of the T-shaped bolt is facilitated.

The application discloses a lower limb supine position rehabilitation aid for sports rehabilitation training, which comprises a leg fixing plate and a foot fixing plate, the surface of the leg fixing plate is provided with a sliding rail through fixed installation, the surface of the sliding rail is slidably connected with a sliding piece, the two sides of the foot fixing plate are hingedly connected with semicircular first connecting pieces through first pin shafts, the top of the first connecting piece is fixedly connected with a first pull rod, and one end of the first pull rod is hingedly connected to one side of the sliding piece through a second pin shaft. The different hole positions of the index pin locking hole on the surface of the leg fixing plate are locked and matched with each other through the index pin, the foot fixing plate and the leg fixing plate are fixed at different angles, the setting can meet the demand of the person to be rehabilitated for different angles due to the lower limb condition, and the index pin is matched with the index pin locking hole for fixing, the operation is simple and convenient, and the unlocking and locking can be quickly realized.

This invention provides a locking and releasing mechanism, method, and aircraft, comprising: a housing, an elastic element fixing rod, a rotating shaft, an assisting elastic element, a locking hook, and a locking force-bearing element. The elastic element fixing rod and the rotating shaft are fixedly disposed at intervals within a receiving cavity. The assisting elastic element is disposed within the receiving cavity, with one end connected to the elastic element fixing rod. The locking hook is disposed within the receiving cavity and is rotatable around the rotating shaft. The locking hook is connected to the other end of the assisting elastic element. The locking hook includes a first locking hook segment, a second locking hook segment, and a third locking hook segment connected in sequence. The locking force-bearing element is movable along the height direction of the housing and can selectively engage with a locking hole. The locking force-bearing element can abut against the first locking hook segment to restrict its rotation. This invention addresses the technical problems of existing locking and releasing mechanisms being overly complex in structure, having numerous operating procedures, and being difficult to quickly disassemble in emergency situations.

The utility model provides an aluminum alloy part oxidation device, belongs to the technical field of material surface treatment, and aims to solve the problem that the oxidation effect of an aluminum alloy part is influenced by non-uniform electrolyte caused by effective component sedimentation due to long-time standing of the electrolyte of the conventional aluminum alloy part oxidation device in the anodic oxidation process. The electrolyte box is of a rectangular box-shaped structure; the gear set shell is fixedly arranged at the upper end of the front end surface of the electrolyte box; the reciprocating driving motor is fixedly arranged on the left end face of the gear set shell; the spring limiting blocks are arranged on the upper end surfaces of the two cross beams of the pendant bracket; the reciprocating rotating assembly is arranged in the gear set shell; and the hanging frame fixing assembly is arranged at the position of the hanging piece support. The device has the comprehensive advantages that the electrolyte components are kept stable and uniform, and the oxidation process is faster and more efficient.

The application provides a multi-stage coaxial mechanism for optical fiber winding, a base frame, and a triple shaft structure on the base frame. The triple shaft structure comprises a triple shaft rotating base connected with the base frame, a driven concentric outer shaft, a driving shaft and a driven concentric inner shaft which are sequentially sleeved on the inner side of the triple shaft rotating base and can synchronously rotate. A driven unlocking mechanism is arranged on one side of the triple shaft structure and is used for switching the synchronous or independent rotating state of the driven concentric outer shaft, the driving shaft and the driven concentric inner shaft, thereby solving the problem of rotating mode switching of the optical fiber ring tool skeleton, the fiber separating disc and the optical fiber guide assembly.

The invention relates to the technical field of fluid conveying, and discloses a double-channel fluid connecting device which is characterized in that a fixing part is provided with a first pipeline and a second pipeline; the first pipeline is provided with a first butt joint opening, the second pipeline is provided with a second butt joint opening, and the second butt joint opening is coaxially arranged in the first butt joint opening in a sleeved mode. A first annular channel is formed between the second butt joint port and the first butt joint port; the movable part is provided with a third pipeline and a fourth pipeline; the third pipeline is provided with a third butt joint port, the fourth pipeline is provided with a fourth butt joint port, and the fourth butt joint port is coaxially sleeved with the third butt joint port; a second annular channel is formed between the fourth butt joint port and the third butt joint port; one path of fluid is transmitted through the second pipeline, the second butt-joint opening and the fourth butt-joint opening; and the other path of fluid is conveyed through the first pipeline, the first annular channel, the second annular channel and the third pipeline. Rapid butt joint of two paths of fluid is achieved, the two paths of butt joint faces are coaxially designed, and the butt joint precision requirement is lowered.

This utility model discloses a novel integrated fishing box, relating to the field of fishing tackle technology. It includes a one-piece molded box body and a lid hinged to the top of the box body. The top surface of the box body has a recessed receiving cavity, and the two outer side walls of the box body have integrally molded protruding mounting portions. Each mounting portion has a handle, and an elastic buckle is provided between the handle and the mounting portion. The bottom of the box body has a mounting block, and the top surface of the mounting block has an internally hollow adjusting shell. A locking seat is fitted inside the mounting block, and the locking seat has a movable through groove in its center. A support member that can enter the adjusting shell or extend from the locking seat is provided within the movable through groove. The side of the locking seat facing away from the box body has a recessed locking groove communicating with the movable through groove. The locking groove contains a locking switch, a first pivot, and a first torsion spring. The locking switch has a locking portion at the bottom and an anti-detachment portion at the top. The side walls of the box body have openings. This utility model uses a one-piece molded box body, enhancing the durability and stability of the overall structure of the fishing box.

This utility model discloses a core mold vibration pipe-making machine, relating to the field of drainage pipe technology. The utility model includes a base, an outer mold inserted into the base, a core mold fixedly connected inside the outer mold, and a locking ring fixedly connected to the circumferential side of the outer mold. It also includes a mold locking assembly, which comprises several extension platforms fixedly connected to the base. Gears are rotatably connected within each extension platform, and a limit rail is fixedly connected to each extension platform. A first rack is slidably connected within the limit rail, meshing with the gears. Wedge blocks are fixedly connected to the sides of the first racks. An electric telescopic rod is fixedly connected to the base. In use, the electric telescopic rod extends and retracts, causing multiple second racks to move upwards synchronously. Through the transmission between the gears and the first racks, multiple wedge blocks can move towards the locking ring, thereby quickly locking the outer mold and the base, thus improving pipe-making efficiency.

The utility model discloses a kind of multi-mode fusion positioning vehicle terminal equipment based on UWB and big dipper positioning, belong to vehicle terminal field, including lower box body, the upper end fixed mounting of lower box body has upper box body, control unit is fixedly installed in lower box body, the control unit includes UWB module and big dipper module, the UWB module is set on control unit, the big dipper module is set on control unit, the UWB module and big dipper module are electrically connected with the processor in control unit, locking assembly for lower box body and upper box body installation is provided in lower box body;By using the multi-mode fusion positioning mode of UWB module and big dipper module, positioning accuracy and stability are significantly improved, especially in the area where signal is severely blocked, such as tunnel, underground parking lot etc., good positioning effect can still be guaranteed, which has important significance for improving the safety and reliability of vehicle driving.