27results about How to "Reduced versatility" patented technology

The invention relates to a field large language model fine tuning training method and device, electronic equipment and a medium. The method comprises the steps that in the fine tuning training stage, original instruction data of multiple domain tasks are obtained, a single selection task data set is constructed, the single selection task data set comprises multiple pieces of single selection task data of the multiple domain tasks, data disturbance operation is conducted on original instruction topics in the single selection task data set, and the original instruction topics in the single selection task data set are obtained; identifying a key attention head of each domain task, obtaining a key attention head index table, and loading a target key attention head list corresponding to the target domain task based on the key attention head index table; and for the target domain task, carrying out key attention head training based on the target key attention head list, updating the weight parameter of each key attention head in the target key attention head list, and freezing the weight parameters of other network layers.

The invention discloses a pipeline butt joint welding seam surplus height grinding device and method, the grinding device comprises an electric control module, a vehicle body module and a milling and grinding device module, and the appearance of a main body of the grinding device is of a cuboid trolley structure with an n-shaped handheld handle on the upper portion; the vehicle body module comprises a vehicle body shell, a lifting hand wheel hole and a metal magnetic wheel; the electric control module is located on the upper portion of the vehicle body module and provides power for the grinding device and controls electrical equipment. The milling and grinding device module is located in a vehicle body shell of the vehicle body module and comprises a lifting hand wheel, a speed reducer, a motor, a frame body and a spiral milling cutter. The grinding device makes contact with a to-be-treated pipeline through the metal magnetic wheel, the position of the milling and grinding device module is controlled by rotating the lifting hand wheel, then the carry distance of the spiral milling cutter is controlled, and the purpose of milling and grinding the weld reinforcement is achieved. The device is compact in structure, convenient to carry, simple in structure, low in use and maintenance cost and easy to operate, and the grinding speed and quality are improved.

The invention discloses an upper limb power assisting device and a power assisting control method. The upper limb power assisting device comprises a sensing system, a power module, a trunk module, an arm module, a sling system and a main control module. The sensing system comprises an inclinometer and an angle sensor, and the inclinometer is arranged on the trunk module; the angle sensor is arranged on the power module; the power module comprises a shoulder power module, and the shoulder power module comprises a shoulder power base and a shoulder power output disc rotationally connected with the shoulder power base; the trunk modules are arranged on the two sides of the human trunk and fixed to the human trunk. The front end of the arm module is in transmission connection with the sling system, and the sling system is used for assisting in lifting the palm or the weight of the human body. According to the power-assisted control method, the intention of raising or lowering the arm of the wearer is sensed through the sensing system, so that the control is more sensitive, the action is more stable, shaking is avoided, and the universality is good. The method is simple and easy to use, and conforms to natural action habits; the sensing system is light, thin, small, low in cost and small in influence on an existing mechanism of the system.

The utility model discloses one-mold four-cavity 90-degree elbow demolding equipment which comprises a demolding table used for placing a formed elbow and at least one set of demolding assembly, an elbow core is arranged on the demolding table, and the elbow is formed along the peripheral wall of the elbow core. The demolding assembly comprises a drawing device, a first demolding device arranged corresponding to one end of the bent pipe and a second demolding device arranged corresponding to the other end of the bent pipe, the second demolding device is rotationally connected with the demolding table through a shaft, and the drawing device drives the first demolding device to move in the direction close to or away from the bent pipe core; the first demolding device drives the second demolding device to move in the direction close to or away from the bent pipe core through the connecting rod, the drawing device is provided with a drawing extension section, and after the drawing device is drawn to the drawing extension section, the second demolding device can rotate along a shaft and enable the end, facing the demolding table, of the second demolding device to be separated from the demolding table. The demolding equipment is convenient to demold and is not easy to block the mold.

The utility model relates to the technical field of die-casting machines, in particular to an automatic feeding device which comprises supporting legs, a base plate, a first placing plate, an adjusting motor, a gear, a fluted disc, a first moving shell and a second moving shell, the adjusting motor is detachably connected with the first placing plate and located above the first placing plate, and the gear is fixedly connected with the output end of the adjusting motor. The adjusting motor is started to drive the gear to rotate, the gear drives the fluted disc to rotate, the feeding plate can be driven to rotate through the fluted disc, the fluted disc is rotationally connected with the chassis and located above the chassis, the first moving shell is fixedly connected with the fluted disc and located above the fluted disc, and the second moving shell is fixedly connected with the fluted disc and located above the fluted disc. And the rotating motor is started to drive the feeding plate to adjust the vertical angle of the feeding plate under the assistance of the rotating rod, and the problem that the universality is low in the actual working process due to the fact that the angle of the feeding device cannot be adjusted when the feeding device moves is solved.

The embodiment of the invention provides a cache data page clearing method and device.The method comprises the steps that under the condition that a first cache data page of a solid state disk is accessed, a visible second cache data page of the first cache data page is determined in a pre-created visible graph, the visible graph comprises the address of each cache data page of the solid state disk, the number of access times in a preset duration, and the visibility between the cache data pages; adjusting the levels of the first cache data page and the second cache data page; and under the condition that the third cache data page with the lowest level exists in the solid state disk, clearing the third cache data page. Through the method and the device, the problem of low universality caused by the fact that a cache scheme cannot cover all scenes with expected input / output in related technologies is solved, and the effect of improving the universality of the cache scheme is achieved.

The application relates to a spaceflight data pipeline analysis method based on state machine driving and semantic segmentation, and belongs to the field of satellite remote sensing. The method comprises the following steps: receiving original data transmission data, cutting the data into independent channel data streams in parallel according to virtual channels; synchronously performing header identification and packet reorganization on each channel data stream to output a complete data packet set; further decomposing the complete data packet set into a plurality of small data block units which are logically independent and have consistent update rates based on semantic configuration; assigning independent analysis threads to each small data block unit for parallel calculation, and finally obtaining a structured spaceflight data table. The method automatically drives the above four steps to flow in turn according to the execution results of each stage through the built-in pipeline state machine, and enters an error state and records the migration track when an exception occurs. The application solves the problem that a new type of spaceflight load complex data protocol is difficult to analyze.

The invention belongs to the technical field of comprehensive utilization of resources and capacitor materials, and provides a method for preparing porous carbon for a supercapacitor from biomass and plastic. The method comprises the following steps: crushing, screening and drying biomass and plastic, gradually heating the uniformly mixed raw materials to a first temperature in an inert atmosphere, keeping the temperature for a period of time to obtain a pre-carbonized material, mixing the pre-carbonized material with an activating agent, and activating and pore-forming at a second temperature in the inert atmosphere to obtain a carbon material, pickling, washing and drying the carbon material to obtain porous carbon; the second temperature is higher than the first temperature. According to the invention, the generation of carbon is promoted through the synergistic effect between the biomass and the plastic, the pore channel structure and defect degree are selectively regulated and controlled, the porous carbon material with high specific surface area and high pore volume is formed, the defect degree can be controlled between 0.50 and 1.00, and excellent energy storage performance is shown.

The invention discloses a hydraulic setting detection device and method. The hydraulic setting detection device comprises a supporting sleeve and an oil cylinder. A front oil cylinder cover and an oil cylinder rear cover are respectively mounted at two ends of the oil cylinder; one end of the supporting sleeve is connected with the front oil cylinder cover, and the piston is arranged in the front oil cylinder cover for sealing and sliding connection; the supporting sleeve is used for being connected with the push cylinder, the connecting screw rod is installed in the supporting sleeve, and the connecting screw rod is connected with the piston; a sealing cover plate is installed at the end of the piston, and a cavity is formed in the piston. A gap is formed between the outside of the piston and the oil cylinder; a through hole is formed in the side wall of the piston; an oil guide plunger is arranged in a cavity of the piston; a through hole is formed in the oil guide plunger, and one end of the through hole is communicated with a laboratory high-pressure pipeline; the other end of the through hole communicates with an inner cavity of the piston; the oil cylinder rear cover is provided with a through hole communicated with a laboratory high-pressure pipeline. High-pressure liquid acts on the piston to generate stable thrust, and then the bridge plug / ball seat is driven by the connecting screw rod to complete setting and releasing.

The utility model discloses a kind of key structure, intelligent mainframe and intelligent wearing equipment, the key structure, including: crossbeam;Key, set in the side of the crossbeam;Fixed column, set in the side of the crossbeam away from the key, the fixed column is used to connect reset piece;Two fixed ears, set in the top of the crossbeam both ends;Buckle piece, set in the bottom of the crossbeam;Two connecting frames, two the connecting frame is respectively connected with the intelligent mainframe by connecting piece, each the connecting frame is provided with pin hole, for through pin shaft and corresponding the fixed ear rotation connection;The crossbeam, the key, the fixed column, two the fixed ear, the buckle piece integrally setting is provided in the utility model, reduce the number of parts, reduce production and assembly cost, integral forming promotes mechanical strength, avoid the component loosening or fracture caused by frequent operation, can also be applicable to different intelligent mainframe.

The utility model discloses a blasting construction excavating device which comprises an upper rotating frame body mechanism and an excavating mechanism located on the lower side of the upper rotating frame body mechanism. The device further comprises a locking mechanism, when an upper rod body at the top of the excavating mechanism is inserted into a connecting sleeve on the upper rotating frame body mechanism, the locking mechanism plays a role in fixing the upper rod body and the connecting sleeve, and the upper rod body is prevented from falling off from the connecting sleeve. High efficiency: through the unique spiral drill bit design, the device can rapidly rotate and effectively excavate soil; the spine-shaped insertion head is beneficial to quickly puncturing the ground, so that the initial digging resistance is reduced, and the working efficiency is improved; due to the design of the upper rotating frame body mechanism, a worker can easily hold the handle and rotate the handle; the locking mechanism also simplifies the assembling and disassembling processes of the device, and rapid deployment and storage are facilitated; and the device has high practicability and is worthy of popularization.

The invention discloses a halftone display driving method and device based on an HDMI video signal, and relates to the technical field of signal processing. The method comprises the following steps: acquiring an HDMI video signal; decoding the HDMI video signal to obtain pixel data and a synchronizing signal; based on the synchronization signal, performing halftone mapping operation on each row of pixels of the pixel data to obtain a binary control signal; and driving the binary display device to perform color display according to the binary control signal. The binary display device can be directly driven, the cost is low, the response is fast, the power consumption is low, and the universality is good.

The application discloses a circuit board test fixture and relates to the technical field of circuit board testing. The lifting rod of the circuit board test fixture is fixedly connected with an electric push rod, the driving part of the electric push rod is fixedly connected with a moving rod, the moving rod is coaxial with the lifting rod, and the electric push rod is used for driving the moving rod to move along the axial direction of the lifting rod. The lifting rod is also slidably connected with an abutting block, the abutting block can slide along the radial direction of the lifting rod, the abutting block is arranged on the outer side of the moving rod, the abutting block is connected with the moving rod through a first connecting rod, one end of the first connecting rod is hinged to the inner wall of the abutting block, and the other end of the first connecting rod is hinged to the outer wall of the moving rod. The abutting block is arranged in the mounting hole of the detection plate of the circuit board test fixture, the hole wall of the mounting hole is abutted against the multiple abutting blocks in the open position, and the fixing of the detection plate and the lifting rod is realized. In this way, the detection plate can be conveniently and quickly disassembled and replaced, so as to adapt to the test requirements of different circuit boards.

The present invention discloses an assembled under-bridge sunken hydrophilic walkway and a construction method. The assembled under-bridge sunken hydrophilic walkway comprises a prefabricated square pile component, a prefabricated walkway cantilever plate and a prefabricated walkway rear slab, the bottom of the prefabricated square pile component is used to be inserted into the soil; the prefabricated walkway cantilever plate comprises a horizontal plate and a vertical plate, the top of the vertical plate is connected to the bottom surface of the horizontal plate, the bottom end of the vertical plate extends downward into the soil, the horizontal plate is provided with a first opening that runs through from top to bottom, and the prefabricated walkway cantilever plate is connected to the top of the prefabricated square pile component through the first opening; the prefabricated walkway rear slab is correspondingly provided with a second opening that runs through from top to bottom, the prefabricated walkway rear slab is arranged above the prefabricated walkway cantilever plate, and is connected to the top of the prefabricated square pile component through the second opening. The hydrophilic walkway realizes the functional integration of the revetment retaining wall and the hydrophilic walkway, and has obvious advantages over traditional structures in space-constrained areas such as under-bridge nodes.

The invention discloses a circuit board of a direct-current converter, a manufacturing method of the circuit board and the direct-current converter, and belongs to the technical field of power electronic devices. The method comprises the following steps: providing a circuit board bare board of the DC converter, wherein component layout and wiring design on the circuit board bare board are formed based on a preset boost-buck circuit topology; according to a preset target working mode of the direct-current converter, determining a target element which needs to be subjected to empty bonding and a target bonding pad which needs to be subjected to short circuit on the bare board of the circuit board; and according to the component layout and wiring design on the circuit board bare board, carrying out surface mounting and welding treatment on other components except the target component on the circuit board bare board, and meanwhile, carrying out short circuit on the target bonding pad so as to obtain the required circuit board. According to the method, the components on the PCB can be flexibly configured according to the preset target working mode of the direct-current converter, and the purpose of effectively reducing the manufacturing cost on the premise that the universality of the direct-current converter is not sacrificed is achieved.

The embodiment of the invention discloses a clamp and device for testing the heat dissipation performance of a micro-channel heat sink, a first groove is formed in a bottom plate in a clamp body, the first groove bears the micro-channel heat sink and a clamping block body, and an adjusting screw rod is used for driving the clamping block body to move, so that the clamping block body and a second side wall jointly clamp the micro-channel heat sink in the first groove; according to the micro-channel heat sink heat dissipation performance test fixture, the adjusting screw rod is screwed for pre-tightening, and then the micro-channel heat sink is reinforced and clamped in the first groove by using the adjustable bolt, so that the micro-channel heat sink clamped by the micro-channel heat sink heat dissipation performance test fixture is more stable, the risk of loosening of the micro-channel heat sink is reduced, and the accuracy of a micro-channel heat sink heat dissipation performance test result is improved. By adjusting the clamping block body and the adjustable bolt, the clamp for testing the heat dissipation performance of the micro-channel heat sink can adapt to micro-channel heat sinks with different sizes and shapes, has universality, and can improve the positioning accuracy of the micro-channel heat sink and reduce the risk that cooling liquid leaks in the testing process of the micro-channel heat sink.

The utility model relates to the technical field of machining equipment, in particular to a flexible tool which comprises a base, a positioning block, a sliding block, a threaded rod, a fixed block, a positioning rod, a movable cavity and a plurality of steel balls, the fixed block is fixedly connected with the positioning block and located above the positioning block, the fixed block is fixedly connected with the sliding block, the positioning rod is slidably connected with the fixed block, and the movable cavity is located in the movable cavity. A plurality of steel balls are movably connected with the positioning rod and located at one end of the positioning rod, the screw rod is rotated to drive the sliding block to move, so that the positioning rod makes contact with the surface of the workpiece, the steel balls are compressed, and one end of the positioning rod forms a shape approximate to the surface of the workpiece; therefore, workpieces in different shapes can be conveniently clamped, and the problem that the universality of the tool is low due to the fact that workpieces with irregular surfaces cannot be effectively clamped is solved.

The invention discloses a vision-controllable coding end deep learning video compression control method, which comprises the following steps: pre-training a deep learning codec for human vision optimization, and freezing model parameters to form a coding end; a coding mode prediction strategy is added at a coding end, training optimization is carried out for downstream tasks, and an optimized coding mode prediction model is obtained; and performing model training on the coding mode prediction model, introducing a coding frame structure prediction model after training is completed, continuing training for downstream tasks to obtain a video codec integrating coding mode prediction and coding frame structure prediction, and realizing video decompression based on the video codec. According to the invention, through technologies such as coding mode prediction, coding frame structure prediction and the like at a coding end, the support of an encoder for various downstream tasks is realized, and meanwhile, the weight and decoding process of an original codec do not need to be changed, so that the complexity of coding and decoding processes and deployment application is reduced.

The utility model relates to the technical field of metal molds, in particular to a metal mold processing and positioning device which comprises a telescopic column, a fixing shell, a placing plate, a motor, a screw rod, a moving block, a clamping plate and a fixing head, the motor is detachably connected with the placing plate and located above the placing plate, and the screw rod is detachably connected with the output end of the motor and located inside the fixing shell. The moving block is in threaded connection with the screw rod and wraps the screw rod, the clamping plate is fixedly connected with the moving block and located above the moving block, the fixing head is in sliding connection with the clamping plate and located on the surface of the clamping plate, the motor is started to drive the screw rod to rotate, the moving block is driven by the screw rod to move, and the moving block drives the clamping plate to move. And when the fixing head makes contact with the mold, the fixing head moves towards the direction of the clamping plate, so that the mold can be better positioned, and the problem that the universality of the device is low due to the fact that a clamping rod of the metal mold machining positioning device cannot position and clamp metal molds of different shapes is solved.

The invention discloses an oil drum cap screwing device, and belongs to the technical field of cap screwing devices. The oil drum cap screwing device comprises a handle part and a rotating part, one end of the handle part is fixedly connected with an L-shaped connecting frame through threads, the bottom of the L-shaped connecting frame is fixedly connected with a fixing device, and the rotating part is movably connected to the side wall of the fixing device. The rotating shaft drives the concave-convex wheel to rotate, at the moment, the limiting blocks and the tension springs arranged on the two sides of the concave-convex wheel can return to the original positions due to loss of extrusion force generated by the concave-convex wheel and lose limiting on the limiting frame, and therefore the cap screwing head is taken down, then the cap screwing head needing to be used is aligned to the fixing frame, then the shifting rod is shifted in the opposite direction, and the cap screwing head is taken down. At the moment, the shifting rod drives the fixing column and the rotating shaft to rotate, and the limiting frame arranged on the cap screwing head is fixed through the limiting block, so that the cap screwing device has the advantages that the universality of the cap screwing device is reduced, the probability that a user needs to purchase various cap screwing devices of different sizes to deal with different types of oil drum caps is reduced, and the cost and inconvenience are reduced.

The plug pressing device comprises a box body, a containing groove, a movable rod, a hydraulic cylinder, a pressing plate and a containing plate, the containing groove is formed in the front face of the box body, the top of the inner wall of the box body is fixedly connected with the top of the inner wall of the hydraulic cylinder, and the top of the pressing plate is movably connected with the piston end of the hydraulic cylinder; and the bottom of the placing plate is movably connected with the bottom of the inner wall of the placing groove. Through the arrangement of the limiting blocks and the connecting rods, a user can conveniently install the placing plate through the limiting blocks, the placing plate cannot move at will, then the user can conveniently install the pressing plate through the connecting rods, the user can conveniently replace pressing plates of different specifications, and then the penicillin bottle storage rack can adapt to penicillin bottles of different specifications; the problems that a structure facilitating replacement of different cork pressing plates by a user is not arranged, so that the cork pressing device cannot press penicillin bottles of different specifications and different shapes, the universality of equipment is reduced, and the equipment replacement cost of an enterprise due to product specification changes is improved are solved.

The modular heavy buffer bed provided by the invention is composed of three parts, namely a bottom frame, a groove angle bracket and a buffer strip also called as a buffer block, and the bottom frame and the groove angle bracket form a rack for supporting the buffer strip to complete the function of the buffer bed; the groove angle supports are formed by bending steel plates, groove angle holes are drilled in the groove angle inclined faces and used for installing the buffer strips, and the groove angle supports are installed on long holes in the two ends of a bottom frame cross beam through bottom connecting plates, can move inwards and outwards and are used for adjusting the distance between the upper planes of the buffer strips and the bottom face of a conveyor rubber belt. The machine frame has the beneficial effects that the machine frame is made of galvanized steel sheet profiles or other steel sheet profiles, and except for special requirements, all the components can be made into standard component structures.

The application belongs to the technical field of metal organic framework (MOF) immobilized enzyme, and particularly relates to a method for wrapping enzyme by seed orientation and application thereof. The application discloses a method for synthesizing enzyme@MOF composite by seed orientation, and based on the characteristics of MOF crystal growth, the seed orientation synthesis method is innovatively proposed. The addition of seed can greatly promote the synthesis efficiency of enzyme@MOF composite and greatly increase the encapsulation efficiency of enzyme. Meanwhile, the seed orientation synthesis method has no requirement on the chemical properties of enzyme / protein, and does not need to destructively modify the enzyme / protein to improve the encapsulation efficiency, so that the seed orientation synthesis method has good universality. The seed orientation synthesis method solves the problems of low universality and low efficiency in the existing enzyme@MOF composite synthesis method, and has an expected application prospect in the fields of biological catalysis, biological sensing, biological medicine and the like.

The utility model provides a wiring structure and a socket. The wiring structure comprises an insulating sleeve, an insulating base, three wire pressing frames and three conductor copper bars, wherein the insulating sleeve is embedded in an installation panel of a workpiece to be wired; the insulating base is fixed on the mounting panel and corresponds to the insulating sleeve; the three wire pressing frames comprise a positive wire pressing frame, a negative wire pressing frame and a grounding wire pressing frame; the positive wire pressing frame, the negative wire pressing frame and the grounding wire pressing frame are arranged in the insulating base at intervals; the first end of each conductor copper bar is connected in a workpiece to be wired, and the second end of each conductor copper bar is sequentially arranged in the insulating sleeve, the insulating base and the wire pressing frame in a penetrating mode. According to the utility model, the wiring structure is small in size, occupies less panel space, replaces a traditional wiring structure, and is lower in cost; the cable connector can be applied to an output wiring port of a high-power direct-current power supply in the communication industry, can meet the requirement for large-wire-diameter access of an outdoor direct-current output load with a shielding cable, and is high in universality.

The utility model discloses an axial force measuring assembly for a vertical water pump. The axial force measuring assembly is characterized in that the measuring assembly is arranged between an output shaft of a motor and a pump shaft; the measuring assembly comprises a bridging shaft, an angular contact ball bearing, a mounting seat and a force measuring sensing piece; the bridging shaft is coaxially connected with the output shaft and the pump shaft through couplings; the periphery of the bridging shaft is tightly matched with the inner ring of the angular contact ball bearing; the mounting seat is suitable for fixing an outer ring of the angular contact ball bearing and moves along the axial direction of the bridging shaft along with the angular contact ball bearing; the force measurement sensing piece is arranged between the mounting seat and a rack on which the pump shaft is mounted, and is used for detecting forward pressure or reverse tension applied to an output shaft of the motor by the pump shaft in the axial direction; the axial force measuring assembly for the vertical water pump is simple in structure, easy and convenient to manufacture, easy to implement and low in cost, and solves the problem that an existing axial force measuring device can measure only by modifying the internal structure of a motor and is poor in universality.

The utility model relates to a counter weight fixing device for detecting the durability of an automobile seat, which comprises a detachable seat surface positioning plate, a connecting panel and two vertical supports, the two vertical supports are arranged side by side left and right, the connecting panel is arranged between the lower ends of the two vertical supports, and the connecting panel is connected with the connecting panel. Fixed butt joint is formed between the lower end face of the connecting panel and the rear portion of the detachable seat face positioning plate, a transverse connecting support is installed on the vertical support in an up-down moving mode, and a longitudinal connecting support moving left and right is installed at the left end or the right end of the upper side of the transverse connecting support. A sliding connecting block is installed on the longitudinal connecting support in a front-back moving mode, a balance weight installation column is vertically arranged in the middle of the upper end face of the detachable seat face positioning plate, and a plurality of balance weights are connected to the balance weight installation column in a sleeved mode. The device has the characteristics of low manufacturing cost, convenience in assembly, capability of adjusting a butt joint position, simplification of operation arrangement, convenience in counterweight adjustment and the like.