132results about How to "Guaranteed synchronicity" patented technology

The invention discloses an intelligent laser welding workstation for a high-voltage cable. The intelligent laser welding workstation comprises an operation table, a mechanical arm, a welding head, a camera assembly, a power assembly, a clamping assembly and a control piece. A control part is installed on the outer side of the operation table and comprises an image acquisition module, an image processing module, a track planning module, a motion control module, a quality detection module, a parameter adjustment module and a synchronous control module. Visual guidance and real-time monitoring in the welding process are achieved through the camera assembly, a welding center point is accurately positioned through an image processing algorithm, the track planning module generates a smooth welding path, and the parameter adjusting module dynamically adjusts welding parameters according to a molten pool image. The synchronous control module receives a production line signal to realize full-process automation of automatic clamping, welding and loosening; efficient and stable laser welding seamlessly integrated with the cable manufacturing process is achieved, and the automation degree, welding precision and product reliability of a production line are improved.

This invention relates to the field of new energy vehicle technology and discloses an encrypted communication system for communication between new energy vehicles and charging piles. The system includes: a vehicle gateway, used to generate an initial vehicle-to-charging pile communication key and a message authentication code, and to send the initial vehicle-to-charging pile communication key and the message authentication code to both communicating parties; and, upon receiving a message indicating successful communication between the battery management system and the charging pile, updating the current vehicle-to-charging pile communication key and regenerating the message authentication code to send to both communicating parties; the battery management system and the charging pile, i.e., the two communicating parties, verify each received message authentication code based on the code. If the verification is successful, they initiate the current round of communication using the current vehicle-to-charging pile communication key; after each message transmission, the current vehicle-to-charging pile communication key is updated, and a message indicating successful communication for the current round is sent to the vehicle gateway. This invention updates the key multiple times during vehicle-to-charging pile communication and verifies it in each round of communication, thus improving communication security.

The utility model relates to gas pipe correction technical field especially, it relates to a kind of PE gas pipe correction clamp, solve the problem that the pipe wall is prone to local indentation, flattening or stress concentration, and new plastic deformation is easily caused in the clamping area of pipe body when only applying correction force from outside in prior art due to the certain flexibility and elasticity of PE material.A kind of PE gas pipe correction clamp, including frame, both sides of frame are fixedly connected with side plate, and the opposite side of two side plates is equipped with arc clamping plate, and the bottom of two arc clamping plates is slidably connected between the bottom of frame, both sides of frame are equipped with support rod, and the one end of two support rods is respectively through both sides of frame.The utility model effectively solves the problem that pipe wall is prone to flattening, indentation or uneven stress due to lack of inside support in existing correction clamp, realizes the simultaneous support and uniform stress of inside and outside of PE gas pipe.

The application relates to an automatic contraction leveling device, belongs to the technical field of decoration, and particularly relates to a fireproof curtain bottom automatic contraction leveling device, which comprises a floor and a fireproof curtain box group, the fireproof curtain box group is arranged at the bottom of the floor, further comprises fireproof curtain cloth, a telescopic assembly and an angle steel, the fireproof curtain cloth is arranged in the interior of the fireproof curtain box group, a fireproof curtain metal plate is fixedly installed at the bottom of the fireproof curtain cloth, the telescopic assembly comprises a sleeve fixedly installed on one side of the fireproof curtain metal plate, the angle steel is fixedly installed at the bottom of the floor on both sides, a limiting square tube is fixedly installed at the bottom of the angle steel, the automatic contraction leveling effect is achieved, the problems that the system rigidity and adaptability of the existing patent are insufficient, the stability and durability are insufficient, the synchronization of multi-point leveling actions cannot be guaranteed, and the wear protection and maintenance convenience design for long-term use are weak are solved.

The utility model relates to the technical field of radiation detection equipment, in particular to a quick disassembly and assembly calibration mechanism for radiation detection equipment, which comprises a base, a support frame, an adjusting ring and a calibration assembly. The calibration assembly comprises a segmentation part, a driving module, a conversion part, a voltage stabilization part, a synchronization module and a distribution module, signal segmentation transmission is achieved through the segmentation part, the driving module and the conversion part are matched to switch calibration areas, the voltage stabilization part guarantees stable output of signals, the synchronization module achieves synchronous adjustment of the signals, and the distribution module evenly distributes the signals. The calibration mechanism can be quickly disassembled and assembled, the calibration efficiency and adaptability are remarkably improved, and the requirements of modern radiation detection equipment for high precision, quick response and flexible adjustment are met.

The utility model belongs to the technical field of coating devices, and particularly relates to an adjustable film coating device which comprises a rack, a material groove, a coating roller, a bottom roller, a guide roller and a fine adjustment mechanism are arranged on the rack, the fine adjustment mechanism comprises a fixed seat, two transmission shafts are rotationally installed on the fixed seat, first gears are installed at the two ends of the transmission shafts, and the first gears are connected with second gears in a meshed mode. The second gear is installed on the first adjusting screw and the second adjusting screw, the first adjusting screw and the second adjusting screw are in threaded connection with a fixing base, a sliding rod is installed in the fixing base in a sliding mode, a first taper hole and a second taper hole which are attached to the conical end of the first adjusting screw and the conical end of the second adjusting screw in a matched mode are formed in the sliding rod, and the sliding rod is connected with the comma scraper roller through a fixing plate. The distance between the comma scraper roller and the bottom roller is accurately adjusted by rotating the adjusting screw I and the adjusting screw II, so that the thickness of a coating layer is accurately adjusted; the gear mechanism can enable the two sliding rods to move synchronously, and the moving stability of the comma scraper roller is guaranteed.

The application belongs to the technical field of property management, and particularly relates to a gate access identification device for property management, which comprises a fixed frame, an adjusting assembly is arranged on the fixed frame through two connecting holes formed in the rear end of the fixed frame, and the left and right sides of the adjusting assembly are respectively connected with two limiting rods through sliding connections. The gate access body can be quickly disassembled and assembled through the cooperation of the electric push rod main body, the connecting plate, the hinged plate, the hinged shaft, the sliding plate and the T-shaped fixed rod, so that the device does not need screwdrivers, wrenches or any other auxiliary tools for installing or disassembling the gate access body. For property or maintenance personnel, this greatly shortens the downtime when repairing or replacing equipment.

The invention discloses a seismic data acquisition method and system. The method comprises the following steps: a seismograph and excitation equipment acquire satellite time service time, the seismograph synchronizes the time of the seismograph with the satellite time service time, and the excitation equipment synchronizes the time of the excitation equipment with the satellite time service time; the excitation equipment generates an excitation request and sends the excitation request to the seismograph; the seismograph receives the excitation request and processes the excitation request to obtain excitation information and acquisition information; the seismograph sends excitation information to the excitation equipment; when the excitation equipment detects that the satellite time service time is the same as the excitation time in the excitation information, the excitation equipment controls the seismic source to generate seismic waves; and when the seismograph detects that the satellite time service time is the same as the data acquisition time in the data acquisition information, starting to synchronously acquire seismic waves based on the data acquisition time to obtain seismic data. According to the method, the time synchronism between the excitation equipment and the seismograph and the accuracy of seismic data are improved.

The utility model provides a battery pack air tightness detection tool, which comprises a base and a pressing assembly arranged above the base, an accommodating space for accommodating a battery pack is formed between the base and the pressing assembly, the pressing assembly comprises a support frame arranged on the base in an up-and-down sliding manner, and the support frame is arranged on the base in an up-and-down sliding manner. The supporting frame is arranged on the base, the mounting plates are arranged on the supporting frame and arranged in the length direction of the base at intervals, each mounting plate is in threaded connection with a plurality of screw rods, the screw rods on each mounting plate are arranged in the width direction of the base at intervals, and one end of each screw rod extends into the containing space and can press the top of the battery pack. The battery pack air tightness detection tool is simple in design structure and can adapt to battery packs of different sizes, and a detection tool does not need to be independently designed for each type of battery pack.

The application discloses a primary and secondary fusion complete set of pole-mounted circuit breaker and relates to the technical field of circuit breakers, which comprises an arc-extinguishing chamber, the arc-extinguishing chamber comprises an insulating shell, a movable contact, a fixed contact, a dynamic gas generating unit and a passive magnetic sensing unit. The dynamic gas generating unit comprises a gas generating element, a fixed magnetic element and a flow guiding element. The core of the application is that the passive magnetic sensing unit is configured to drive the dynamic gas generating unit and the flow guiding element to move when the movable contact is opened, and the fluorocarbon gas generated by the decomposition of the gas generating element under the electric arc is guided to the electric arc area in the center of the arc-extinguishing chamber, so that the uniform distribution is formed to realize efficient arc extinguishing. Through the synergistic effect of magnetic control driving, passive gas generation and active flow guiding, the arc extinguishing speed and reliability are significantly improved, and the technical problems that the arc extinguishing effect of the existing pole-mounted circuit breaker is poor and the high integration and high reliability requirements of the primary and secondary fusion equipment cannot be met are effectively solved.

The utility model discloses a protection device for water shortage of a water pump, and relates to the technical field of water pump protection. A water inlet pipe is mounted on one side of the pump body, an alarm mechanism is mounted at one end of the water inlet pipe and comprises a water storage bin connected with the water inlet pipe, a window is mounted on one side of the water storage bin, a liftable water floating part is mounted at the top end of the water storage bin, an alarm is mounted at the top end of the outer side of the water storage bin, and the water floating part is used for triggering the alarm. A water conduit is installed on one side of the water storage bin, and valves are installed on the water inlet pipe and the water conduit. The alarm mechanism is installed on the side close to the water pump, and the alarm and the pressing block used for triggering the alarm are both arranged on the outer side of the water storage bin away from water, so that the synchronism of completion of water pumping and triggering of the water pump protection alarm is ensured, and the service life of the device is prolonged.

This invention belongs to the field of composite material processing technology and discloses a trimming actuator, a trimming processing device, and a trimming processing method. The trimming actuator includes a side U-shaped housing, a milling assembly, and a transmission assembly. The main body of the side U-shaped housing extends vertically, and both ends are bent and extended horizontally to form an upper extension and a lower extension, which together form a receiving cavity. In the milling assembly, a first connecting shaft passes through the upper extension and is rotatably connected to it, with its upper end connected to a power spindle and its lower end connected to a first milling cutter. The lower end of a second connecting shaft is rotatably connected to the lower extension, and its upper end is connected to a second milling cutter. The first and second connecting shafts are coaxially arranged, and the first milling cutter is located above the second milling cutter, with their axes collinear. The rotation of the power spindle drives the first connecting shaft and the first milling cutter to rotate synchronously. The transmission assembly transmits the power of the first connecting shaft to the second connecting shaft, realizing the synchronous rotation of the first and second milling cutters and suppressing delamination and burr defects on the trimmed edges of the composite material.

The utility model provides a synchronous telescopic tire changer, which is characterized in that a driving part can drive a rack to reciprocate, a transmission shaft is rotatably arranged on a box body, and the rack is meshed with a first gear fixed at one end of the transmission shaft; a second gear and a third gear are further coaxially arranged on the transmission shaft, meshing teeth are arranged on the tire pressing shaft and the tire supporting shaft, the tire pressing shaft is meshed with the second gear, and the tire supporting shaft is meshed with the third gear. According to the synchronous telescopic tire dismounting machine disclosed by the utility model, the rack is driven by the driving part to linearly move, the rack drives the transmission shaft to rotate through the first gear, and the transmission shaft drives the tire supporting shaft and the tire pressing shaft to synchronously linearly move through the second gear and the third gear, so that the problem that the tire supporting shaft and the tire pressing shaft are independently adjusted is solved, and the working efficiency is improved; and the synchronism of the positions of the tire supporting wheel and the tire pressing wheel is ensured.

The utility model discloses a double-disc vertical untwisting machine, including frame, vertical cradle upper and lower both ends rotation is installed on the frame, the vertical cradle is installed with I -shaped line wheel and drives I -shaped line wheel rotation's pay -off motor, two untwisting work stations are equipped with drive motor, and drive motor passes through belt pulley group simultaneously drive two vertical cradle rotation, the upper and lower end of vertical cradle is equipped with one untwisting bow seat respectively, and two untwisting bows are symmetrically set between two untwisting bow seats, the inner side of untwisting bow is equipped with multiple sets of guide components, and each set of guide components includes hole threading seat and guide auxiliary wheel. The utility model sets up two untwisting work stations in the frame, and is equipped with untwisting component for each work station, can realize for double-disc simultaneous untwisting pay -off, and the untwisting process of double-disc is more coordinated, further guarantees the consistency of untwisting effect, also greatly saves the site space, improves the space utilization.

The utility model relates to clamping device technical field, including double -column vehicle body, the middle position of double -column vehicle body lower portion is equipped with work piece support seat, and the center position of work piece support seat upper end part is equipped with the scrap collecting groove, and the scrap collecting groove is lifted in the vertical direction and has work piece lifting seat, and the upper end part of work piece support seat is equipped with three work piece clamping seat around scrap collecting groove and stretches out and contracts along the radial direction, and every work piece clamping seat is driven to slide through radial feed structure, and the upper end part of work piece support seat is fixedly connected with the protective casing of covering three radial feed structures, the utility model discloses solved the clamping structure complex of double -column vehicle clamp among traditional technology, when processing and handling to work piece, scrap is easy to adhere on clamping structure, along with time, lead to the stability of clamping structure operation is affected, and then the problem of work piece's clamping efficiency is affected.

This invention discloses a hardware verification circuit for quantum telemetry and control link calibration and measurement results, belonging to the field of high-precision hardware technology for quantum telemetry and control. The circuit includes a link characteristic measurement unit, a parameter compensation storage unit, a hardware compensation controller, a hardware redundancy verification unit, and a calibration parameter storage unit with a one-time programmable fuse. All calibration rules and verification parameters are permanently fixed using the one-time programmable fuse and cannot be modified by software. This invention achieves full-dimensional calibration of the quantum telemetry and control link and hardware-level anti-tampering verification of measurement results through a pure hardware circuit, solving the problems of existing technologies where link calibration relies on software, accuracy is insufficient, and measurement results lack hardware-level protection. It can improve the synchronization accuracy and reliability of quantum telemetry and control results, and is suitable for various high-precision quantum telemetry and control scenarios.

The utility model belongs to the technical field of filter presses, and particularly relates to a hydraulic control system for synchronous opening and closing plates of a filter press, which comprises a controller, an electromagnetic reversing valve, one-way throttle valves and two electric proportional valves, and the left side and the right side of the electromagnetic reversing valve are respectively communicated with the two one-way throttle valves through two hydraulic pipelines. Wherein one one-way throttle valve is communicated with the two electric proportional valves through hydraulic pipelines, the two electric proportional valves are respectively communicated with one ends of the two opening and closing plate oil cylinders through hydraulic pipelines, the other one-way throttle valve is communicated with the other ends of the two opening and closing plate oil cylinders through hydraulic pipelines, and displacement sensors are arranged on the opening and closing plate oil cylinders. The two displacement sensors and the two electric proportional valves are all electrically connected with the controller. According to the utility model, the problems of offset and derailing of the filter plate caused by poor synchronism of the opening and closing plate oil cylinders when the filter press opens and closes the plate can be solved.

The invention discloses a WS2 / W composite material, a preparation method thereof and application of the WS2 / W composite material in a sodium-sulfur battery. The preparation method comprises the following steps: uniformly stirring isopropanol and acetone to obtain a mixed solution A; weighing tungsten hexachloride, adding the tungsten hexachloride into the mixed solution A, and uniformly stirring to obtain a mixed solution B; transferring into a reaction kettle, sealing and putting into a drying oven for reaction; after the reaction is finished, carrying out suction filtration and washing on a product by using industrial alcohol, and drying in a vacuum oven to obtain W18O49 powder; the method comprises the following steps: weighing W18O49 powder and sublimed sulfur, respectively and correspondingly placing the W18O49 powder and sublimed sulfur in a first porcelain boat and a second porcelain boat, then placing the second porcelain boat in the first porcelain boat, placing the second porcelain boat in a tubular furnace, introducing argon into a furnace chamber of the tubular furnace, after the pressure of the furnace chamber is increased to 0.2-0.3 MPa, keeping the airtightness of the system, heating to 1100-1300 DEG C at the rate of 20 DEG C / min, keeping the pressure at 0.2-0.3 MPa in the heating process, and keeping the temperature for 2-3 hours; and after the temperature reaches 1100-1300 DEG C, continuously preserving heat for 2 hours, introducing argon, cooling to room temperature, and collecting to obtain WS2 / W powder. The problems of poor conductivity of the sulfur positive electrode, polysulfide shuttle effect and slow reaction kinetics are solved.

The present application relates to the technical fields of pile foundation structure, and specifically discloses a large-diameter deep-hole rock-socketed pile; the rock-socketed pile comprises a multi-section variable-diameter reinforcement cage poured in concrete, and the multi-section variable-diameter reinforcement cage can be butt-jointed at the head and tail; the variable-diameter reinforcement cage comprises a variable-diameter framework, a variable-diameter cage and a plurality of self-locking pieces; the variable-diameter cage comprises a plurality of main reinforcements distributed in a circumferential direction around the variable-diameter framework, at least two connecting rods are hinged between each main reinforcement and the variable-diameter framework, and a plurality of spiral stirrups are installed on the periphery of the plurality of main reinforcements; when a force is applied to the variable-diameter framework by pressing it downward, the variable-diameter framework is expanded by the connecting rods, the radius of the spiral stirrups is increased, and the self-locking pieces and the connecting rods are self-locked. The rock-socketed pile provided by the present application avoids the need to pre-produce a variable-diameter reinforcement cage of a corresponding depth each time, improves the flexibility of construction, and greatly shortens the period of material preparation in the early stage.

The utility model relates to the technical field of material racks, in particular to an expansion material guiding mechanism based on hydraulic pressure. According to the technical scheme, an expansion mechanism is installed on a base, the expansion mechanism comprises a rotating shaft, one end of the rotating shaft is connected with a movable sleeve through a pipe thread, the expansion mechanism further comprises a back plate, the back plate is installed on the base through a fixing frame, a fixed baffle is installed on the back plate, a sliding groove is formed in the fixed baffle, and the movable sleeve is connected with the sliding groove. A fixed seat is arranged on the movable sleeve, and an inner supporting plate is mounted on the fixed seat through a connecting rod; a shielding mechanism is installed on the movable sleeve and used for blocking a material roll installed on the expansion mechanism, and the two ends of the material roll are blocked through the fixed baffle and the shielding mechanism. The rotating shaft is hydraulically driven to drive the movable sleeve to stretch out and draw back, transmission structures such as pipe threads and connecting rods are matched, accurate expansion of the inner supporting plate is achieved, and stable and reliable material roll guiding is guaranteed in combination with the shielding mechanism.

The present disclosure relates to the technical field of smart home, and discloses a bearing device, a cleaning device and a cleaning system. The bearing device comprises a moving assembly, a connecting assembly and a driving mechanism. The connecting assembly is connected to the moving assembly. The connecting assembly comprises at least two connecting pieces. The connecting pieces are configured to drive the moving assembly to move. The driving mechanism comprises a synchronous transmission assembly and at least two transmission shafts. The transmission shafts are connected to at least one connecting piece. The synchronous transmission assembly is connected to the at least two transmission shafts to enable the at least two connecting pieces to move synchronously. The bearing device can ensure the synchronism of the movement of the moving assembly and avoid the sticking and the unsuccessful movement caused by the unsynchronized movement of the two connecting pieces.

The application discloses a self-weight excitation type slip hanger with a PR2F structure for a casing head, which comprises a supporting assembly, a slip assembly and a connecting piece. The supporting assembly comprises a supporting base, a sealing element and a gasket, the sealing element is arranged on the supporting base, and the gasket is arranged on the sealing element. The slip assembly comprises a slip shell and a slip tooth, the slip shell is provided with a taper hole, and the slip tooth is arranged in the taper hole. The supporting assembly is fixed to the slip shell through the connecting piece. The internal sliding block ring can better ensure the synchronism of the slip when the slip is hung on the hanger casing, and the limiting block can make the slip shell be properly separated, so that the slip tooth can be assembled into the slip shell.

The utility model provides a steel wire conveying mechanism and a brush making machine, and the steel wire conveying mechanism comprises a mounting plate which extends along the vertical direction and is mounted on a mounting reference; the steel wire clamping assembly is provided with a first steel wire clamping part and a second steel wire clamping part; the first steel wire clamping part and the second steel wire clamping part are both used for clamping a steel wire; the steel wire bending assembly is arranged on the mounting plate, and the steel wire bending assembly and the steel wire clamping assembly are arranged in a spaced mode in the extending direction of the mounting plate; the motor driving assembly is arranged on the mounting plate, the motor driving assembly is arranged on one side of the steel wire clamping assembly, the motor driving assembly is used for driving the second steel wire clamping part to move so as to drive the steel wire to move, the steel wire conveying speed can be controlled by adjusting the rotating speed, and intermittent pause of steel wire conveying through an air cylinder is avoided; and the steel wire conveying time is shortened, so that the brush manufacturing efficiency is improved.

The application discloses a continuous processing and cutting device for traditional Chinese medicine decoction pieces, which comprises a processing box and a conveying device, a strip-shaped conveying channel is arranged in the processing box, conveying devices are arranged on the inner walls of the two sides of the conveying channel, a synchronous cutting mechanism is arranged in the output direction of the conveying device in the processing box, a pushing assembly, a deviation rectifying assembly, a driving assembly and a separating assembly are further arranged in the conveying device, the pushing assembly is in contact with the traditional Chinese medicinal materials and is used for conveying the traditional Chinese medicinal materials to the separating assembly, the separating assembly is in transmission connection with the driving assembly and is used for separating part layers of the traditional Chinese medicinal materials, and the deviation rectifying assembly is used for realizing the continuous conveying of the traditional Chinese medicinal materials at a preset angle in a fixed position. The application improves the automation degree, efficiency and quality of the processing of traditional Chinese medicine decoction pieces and meets the demand of the modern traditional Chinese medicine processing industry for high efficiency and high specification consistency.

A truss type folding structure, a truss type antenna and an antenna building method belong to the field of spaceflight. In order to solve the problem of how to meet the demand of large aperture and fold the antenna in limited space, the present application comprises a ring truss, a central driving mechanism and a cable. The ring truss is provided with an energy storage element for supporting the ring truss to be opened. The central driving mechanism is provided with two symmetrical take-up and pay-off assemblies arranged on the upper and lower sides of the ring truss. The cable is provided with a plurality of cables. Each hinge joint of the ring truss corresponds to a cable and is connected with the corresponding cable. The cables at adjacent two hinge joints are alternately arranged on the upper and lower sides of the ring truss. The two cables are connected with the upper and lower take-up and pay-off assemblies, so that the ring truss is folded and tightened. When the truss type folding structure is in the contracted state, the two take-up and pay-off assemblies release the cables synchronously, and the energy storage element releases the stored energy to support the ring truss to be unfolded.

The invention relates to the field of mattresses, and discloses a combined mattress for vital sign monitoring, which comprises a top mattress body, a bottom mattress body, a cushion layer cover, a limiting unit, a hard support unit, a soft support unit, an assembly component, a first lifting unit, a second lifting unit and a non-contact monitoring element, a second inner cavity is formed in the bottom mattress body. According to the invention, the top mattress body and the bottom mattress body are integrally assembled and then have the functions of soft and hard switching and sinking amplitude adjustment, so that medical and high-end daily scene requirements are met, supporting modes are switched according to different scene requirements, clinical requirements of first-aid measures are met, and meanwhile, the mattress is adapted to scenes such as patient body position adjustment and the like which need to be stably supported; according to the body type, the lying posture or the rehabilitation requirement of the patient, graded regulation and control from mild sinking to moderate sinking are achieved, and comfort and supporting safety are both considered.

The utility model relates to welding equipment technical field, the utility model discloses a kind of welding equipment with high-efficiency welding tool, by setting fixing device and auxiliary mechanism, fixing device is used to fixedly for welding plate, auxiliary mechanism is used to expand fixed area, solve the welding equipment on current market when handling different size plate, lack a kind of high-efficiency welding tool that can realize adaptive fixed, this leads to when carrying out welding operation face many inconvenience, traditional welding equipment usually needs manual adjustment or replacement different fixture to adapt to different size plate, this process not only time-consuming and laborious, also prone to the problem of inaccurate positioning due to human factors, and further influence welding quality, in addition, for some special shape or size plate, the existing fixed mode can not provide sufficient support and stability, increase the risk problem of deviation in welding process.

The utility model discloses a broken line alarm structure of high -speed stranding machine belongs to high -speed stranding machine technical field, and it includes frame, and the frame front end surface center place is provided with six first pay -off rack in ring arrangement, and six first pay -off rack front end surface center place all is equipped with pay -off broken line structure, and the pay -off broken line structure inside center place is equipped with broken line alarm structure, and six pay -off broken line structures include six second pay -off rack, and six second pay -off rack is arranged respectively in six first pay -off rack front end surface center place, and six second pay -off rack inside center place all is equipped with first threading groove, in addition, the utility model discloses, improves the accuracy of broken line detection through double protection mechanism, reduces the misreporting situation and can occur, and can stably and orderly pass through each component, better guarantee each strand line synchronization and stability when transmitting, thereby improve the quality of stranding, reduce the broken line failure appearance probability from the root cause that leads to the line confusion and tension uneven.

The utility model provides a kind of hoisting device of precision angle hoisting robot, it is related to robot hoisting technical field, including base, the bottom end both sides of base are fixedly connected with angle adjusting assembly, the both sides of base are fixedly connected with driving assembly;Moving assembly;The moving assembly includes mounting seat and locating seat, the inside fixedly connected with sliding rod of locating seat, the outside sliding connection of sliding rod has moving block, the inside rotationally connected with screw rod of locating seat, the outside of screw rod is screw-connected in the inside of moving block;This design is accurately controlled and moving block is accurately regulated by cylinder, the angle adjustment of elbow joint one and elbow joint two is synchronously regulated by cylinder drive, ensure the stability and consistency of system, high-precision angle adjustment can be realized in hoisting process, avoid the angle error common in traditional mechanical structure, avoid the conflict or deviation of different angle adjustment.

This invention relates to the field of big data processing and intelligent recommendation technology, and discloses a method for intelligent analysis and recommendation of science and technology innovation policies based on big data. The method includes: format conversion and word segmentation of the original policy documents; inputting a structured policy dataset into a policy domain ontology model; inputting multi-source enterprise data into a multi-dimensional feature system and performing data preprocessing; performing semantic matching calculations on the policy knowledge graph and multi-dimensional enterprise profiles; analyzing using an enterprise policy preference model; adjusting the recommendation model parameters through a feedback data quality assessment model and online learning; analyzing using a cross-departmental policy association identification algorithm; and obtaining policy collaborative analysis results through policy association network graph construction and policy combination optimization algorithms. This invention, by constructing a multi-dimensional policy knowledge graph and a deep semantic understanding mechanism, can accurately analyze the complex logical relationships and fine-grained semantic elements in policy provisions.