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177results about How to "Achieve fit" patented technology

Welding system based on automobile part machining

The invention belongs to the technical field of automobile part welding, and particularly relates to an automobile part machining-based welding system which comprises a welding table, a supporting plate is fixedly connected to the middle of the rear side of the upper end face of the welding table, two first sliding rods are slidably connected to the upper side of the supporting plate, and a fixing disc is fixedly connected to one end of a rotating frame. A plurality of clamping blocks are connected to the fixing disc in a sliding mode, and the welding table is provided with a follow-up type splash-proof slag knocking mechanism used for knocking welding slag at a welding seam into pieces. According to the following type splash-proof slag knocking mechanism, caked welding slag on the periphery of a welding seam can be knocked into pieces, follow-up personnel can conveniently clean the welding slag on the welding seam, the cleaning difficulty is reduced, in the striking process, the first sponge pads on the two sides are pressed on the outer wall of a pipeline through the pressing blocks, the welding slag can be intercepted by the first sponge pads when splashing, and the welding slag is prevented from splashing. Therefore, welding slag can be prevented from splashing to areas outside the welding seam, and unnecessary cleaning links are avoided.
Owner:ANHUI YONGYI AUTO PARTS CO LTD

Laser welding machine

The invention discloses a laser welding machine, and relates to the technical field of laser welding, the laser welding machine comprises a working table, the upper surface of the working table is symmetrically provided with limiting chutes I, the top of the working table is provided with a steel pipe I, a steel pipe II and a positioning mechanism, and the positioning mechanism is arranged on the top of the working table. A driving mechanism is arranged at the top of the workbench, a buffering mechanism is arranged at the top of the workbench, a first roller and a second roller clamp and abut against the outer wall of a first steel pipe through a positioning mechanism, and the center of the first steel pipe and the center of a second steel pipe can be located on the same horizontal plane all the time; and then the first steel pipe and the second steel pipe are driven by the driving mechanism to get close to each other, the first roller and the second roller are made to rotate, the joint of the first steel pipe and the joint of the second steel pipe are completely attached, the problem that a weld joint is too large or too small is solved, and then the welding quality after the weld joint is welded is improved.
Owner:DONGGUAN ZHENGXIN LASER TECH CO LTD

Unmanned aerial vehicle hunting resource allocation method based on confrontation generation imitation learning in pursuit scene

The invention discloses an unmanned aerial vehicle hunting resource allocation method based on confrontation generation imitation learning in a pursuit scene, and aims to determine a pursuit target of each pursuit unmanned aerial vehicle in a many-to-many pursuit scene so as to solve the problem of hunting resource allocation. The method comprises the following steps: firstly, establishing a system model for a many-to-many-chasing unmanned aerial vehicle escape scene and carrying out symbol declaration; and then introducing the concept of an Apollonius circle, and establishing a potential game model for unmanned aerial vehicle hunting resource allocation. And then, providing an optimal surrounding resource allocation scheme solving algorithm based on linear programming. And finally, providing an unmanned aerial vehicle hunting resource allocation algorithm based on confrontation generation imitation learning. The algorithm designed by the invention is not influenced by the number and the initial state of the unmanned aerial vehicles of both pursuit and escape parties, Nash equilibrium under a potential game can be searched by adopting a linear programming algorithm, and an optimal hunting resource allocation scheme is generated based on adversarial generation imitation learning and adaptive learning; and finally, real-time dynamic allocation and scheduling of surrounding resources in a many-to-many unmanned aerial vehicle pursuit scene are realized.
Owner:SOUTHEAST UNIV +1

Voltage transformer based on mixed gas

The invention discloses a voltage transformer based on mixed gas, and belongs to the technical field of voltage transformers, the voltage transformer comprises a voltage transformer main body, a gas injection pipe and a sealing assembly, the gas injection pipe is integrally formed at the bottom of the voltage transformer main body, and the voltage transformer main body is filled with insulating gas; the insulating gas comprises sulfur hexafluoride gas and nitrogen; the sealing assembly comprises an inner conical barrel, a connecting structure, a rubber part and a conical column, the rubber part sequentially comprises a hemispherical head part, a first conical ring part, a connecting part and a second conical ring part from the center to the edge, and the second conical ring part is located on the outer side of the first conical ring part; a connecting base is fixed to the end of the conical column, and the connecting structure is used for driving the connecting base and the inner conical barrel to get close to each other in the axial direction of the gas injection pipe. The sealing performance of the gas injection pipe can be improved.
Owner:SHANGHAI WUSONG ELECTRIC IND CO LTD +1

Liquid crystal display screen support

The utility model provides a liquid crystal display screen support which comprises a mounting plate, the mounting plate is in a C shape, the bottom of the mounting plate is in threaded connection with a first lead screw, and one end of the first lead screw extends to the inner side of the mounting plate and is fixedly connected with a pressing plate; one end of the first L-shaped rod is fixedly mounted at the top of the mounting plate, the other end of the first L-shaped rod extends towards the rear of the mounting plate, and a lifting mechanism is arranged at the top of the first L-shaped rod; one end of the second L-shaped rod is connected with the lifting mechanism, and the other end of the second L-shaped rod extends towards the right side of the mounting plate and is provided with a guide sliding groove; and one end of the third L-shaped rod is slidably mounted in the guide sliding groove, and the other end of the third L-shaped rod extends towards the front of the mounting plate and is provided with a connecting plate. In the utility model, the mounting plate is matched with the pressing plate through the first lead screw and can be mounted on the side of a table, so that the device is connected with the table, and the attachment of the rear end of the table and the wall surface is not influenced.
Owner:SUZHOU YANGRUN ELECTRONICS CO LTD

Large-diameter high-pressure anti-leakage quick cut-off valve with wear compensation function

The utility model relates to a large-caliber high-pressure anti-leakage quick cut-off valve with an abrasion compensation function, which comprises a valve body, an elastic valve core, a sealing body and a driving mechanism, the valve body is of a T-shaped structure, the valve body is further provided with a liquid inlet communicated with the inside of the valve body, and the liquid inlet is positioned between two ends of the valve body; the sealing body is fixedly installed at the lower end opening of the valve body, the valve element is installed in the valve body, and the driving mechanism is installed at the upper end opening of the valve body and connected with the valve element. The valve is simple in structure and reasonable in design, reciprocating motion of the valve element can be achieved, abrasion of the sealing face of the valve is small in the closing and opening process of the valve, the valve element sealing body is composed of the plane disc and the cone frustum which are assembled into a whole through the sealing elastic material, and the cone frustum and the plane disc have certain relative displacement freedom. The valve element sealing face and the valve body sealing face are sealed in a combined mode through a disc face and are sealed in a tangent mode through a valve element cone frustum and a valve body cone frustum hole, two-stage sealing is achieved, and the sealing effect is enhanced.
Owner:PIPECHINA SOUTH CHINA CO +1

A high voltage power tube connecting device for power transmission

This invention relates to the field of power transmission and discloses a high-voltage power pipe connection device for power transmission. The device includes a base, a guide T-block fixedly connected to the top of the base, a connecting body fixedly connected to the top of the base, and a fixing body fixedly connected to the top of the connecting body. A telescopic rod is fixedly connected inside the fixing body, and a locking block is fixedly connected to one end of the telescopic rod. A limit spring is fixedly connected to one side of the locking block through the inside of the fixing body. By allowing the mounting base to slide on the top of the base, in conjunction with the fixing body and the locking block, the high-voltage power pipe connection device allows the power pipe to be pressed together. Furthermore, a button controls the movement of an auxiliary plate, which in turn controls the locking block to retract actively, thus facilitating the control of the power pipe's contact and retraction. This solves the problem of traditional power pipe connection devices being unable to conveniently control the contact and retraction of the power pipe.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO WEISHAN POWER SUPPLY CO

Tab offset model generation method, device, equipment and storage medium

The present invention relates to the technical field of battery cell winding control, and discloses a method, device, equipment and storage medium for generating a tab offset model, which is used to fit a target linear error parameter and a plurality of target nonlinear error parameters through a tab offset model, thereby improving the accuracy of tab offset prediction. The tab offset model generation method includes: constructing an initial tab offset model according to the target linear error parameter, a plurality of target nonlinear error parameters and a tab angle offset corresponding to each battery cell layer, and initializing the model parameters of the initial tab offset model; training the initial tab offset model according to the target linear error parameter, the plurality of target nonlinear error parameters and the tab angle offset corresponding to each battery cell layer, and obtaining a target tab offset model.
Owner:SHENZHEN HAIXING INTELLIGENT MFG INFORMATION TECH CO LTD

Modular assembly and track system having the same

The application provides a module assembly and a track system with the same. The module assembly comprises a module housing and a sealing end cover arranged at a first end portion of the module housing in a longitudinal direction. The sealing end cover comprises an outer end cover, an inner end cover and a sealing member. The outer end cover is configured to be connected with the first end portion. The inner end cover is removably connected to a side of the outer end cover away from the first end portion. The sealing member is clamped between the outer end cover and the inner end cover. The sealing member comprises a side surface facing the module housing, and a plurality of first protruding ribs are protruded on the side surface. The first protruding ribs are in interference fit with an inner side of the module housing. Compared with the prior art, the outer end cover extrudes the sealing member inward and the inner end cover extrudes the sealing member outward, so that the outer end cover, the sealing member and the inner end cover are tightly fitted, and the module assembly realizes waterproof sealing at the end portion.
Owner:OPPLE LIGHTING CO LTD +1

Drilling device for hardware machining

The utility model provides a drilling device for hardware processing, which relates to the technical field of hardware processing, and comprises a fixing mechanism, the bottom of the fixing mechanism is provided with a collecting mechanism, the fixing mechanism comprises a bedplate, the top of the bedplate is provided with an enclosure frame, and the inner side of the enclosure frame is provided with a processing table. According to different workpiece shapes, adjustment can be carried out, comprehensive attaching and fixing are achieved, the motor is started, so that the side plate on the lead screw moves towards the middle end of the machining table and gradually gets close to an object, when the side plate gets close to the object, the side plate on the connecting rod retracts in the hollow pipe under the action of the spring, and therefore the workpiece can be fixed. According to the shape of an object, the device is attached to the object from various positions, finally, the object is fixed under continuous operation of the lead screw, the flexibility enables the device to be suitable for hardware workpieces of various different shapes and sizes, and meanwhile the device can ensure the stability and accuracy of the workpieces in the fixing process.
Owner:SHAANXI LIANTE JIALI TECH CO LTD

Co-fusion sensor and handheld medical equipment

The invention provides a co-fusion sensor and handheld medical equipment. The co-fusion sensor comprises a fixing module, a contact position detection module and a three-dimensional force sensing module, the fixing module is used for being connected with the handheld medical equipment; the contact position detection module comprises a plurality of contact sensing units, and the plurality of contact sensing units are arranged on the surface of the fixing module and are used for confirming a contact position; the three-dimensional force sensing module comprises a plurality of photoelectric units which are symmetrically arranged on the surface of the fixing module and used for confirming multi-dimensional force generated during contact. According to the invention, not only can the contact position be detected to prevent the handheld medical equipment from being incompletely attached to the skin of a patient, but also the three-dimensional force applied to the handheld medical equipment can be detected.
Owner:HUALICHUANG SCI (SHENZHEN) CO LTD

Gluing and pressing mechanism

The utility model discloses a gluing press-fit mechanism which comprises a guide frame, a lifting air cylinder, a support, an upper tool and a lower tool, the support is provided with the lifting air cylinder for driving the upper tool to ascend and descend, the guide frame is installed on the top of the upper tool, and the support is provided with a guide sleeve matched with the guide frame. The guide frame is provided with a first oil pressure buffer, and the top end of the support is provided with a limiting plate matched with the first oil pressure buffer; the upper tool comprises an upper installation frame, a plurality of suction cups are installed in the middle of the upper installation frame, a first air cylinder is installed on the upper installation frame, the first air cylinder drives a sliding plate to move in a reciprocating mode, first side face limiting columns are installed at the two ends of the sliding plate, and a plurality of second side face limiting columns are further installed on the upper installation frame. According to the utility model, the position of the top plate can be adjusted through the micrometer head, so that the top plate is positioned below the upper tool, and the fitting precision of the upper tool and the lower tool is ensured when the upper tool and the lower tool are pressed.
Owner:SUZHOU KAWEITE MASCH TECH CO LTD

Guiding wiring laying device for urban tunnel electric power pipeline

The invention provides a guiding wiring laying device for an urban tunnel electric power pipeline, belongs to the technical field of cable laying, and solves the technical problem that an existing guiding wiring laying device cannot perform rapid and accurate guiding wiring auxiliary laying on the electric power pipeline in an urban tunnel. A guiding wiring laying device for urban tunnel power pipelines comprises a base, moving wheels rotationally connected to the interior of the base and a handrail fixedly installed on one side of the base, a telescopic rod is fixedly connected to the surface of the base, and a top frame is fixedly connected to the top end of the telescopic rod. According to the device, the top frame is telescopically arranged at the top of the base, so that the device can guide and arrange power pipelines at different heights in the urban tunnel, and the abutting frame is arranged in the top frame, so that the abutting frame abuts against the wall nails on one side all the time, and the mounting effect of the wall nails on one side of the fixing plate is ensured; and a percussion rod and a nail pushing head are telescopically arranged in the fixed box.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

Dynamic sealing system for sludge and water inrush at the bottom of caisson

PendingCN122082461Aachieve fitAchieve accurate detectionCaissonsSludgeMechanical engineering
This invention relates to the field of caisson bottom sealing construction technology, and discloses a dynamic sealing sludge and water inrush sealing system for caissons. The system integrates a bottom sealing template assembly, a dynamic sealing baffle, a novel quick-setting sealing grout injection assembly, a drainage and pressure relief assembly, a fixing and anchoring assembly, and an anti-sludge isolation assembly. The bottom sealing operation is completed through an integrated process of layered sealing, immediate curing, and simultaneous bottom sealing. During construction, the base is first cleaned and the components are installed; after the dynamic sealing baffle is deployed, it is hydraulically attached to the base plate and the water inrush point is detected; then, quick-setting grout is injected into the leakage area in a targeted manner, and drainage and pressure relief are simultaneously activated to regulate the pressure; after the grout has quickly set, the baffle is retained as a permanent water-stopping structure; finally, underwater concrete is continuously injected through a pre-set pipeline, and an anti-sludge isolation layer is set to ensure the density of the concrete. This system simultaneously achieves rapid water inrush sealing, dynamic pressure balance, and high-quality bottom sealing, solving the problems of poor sealing time, poor process connection, and difficulty in controlling the quality of underwater concrete in traditional processes.
Owner:王博

Electrode frame and ion exchange membrane integrated structure production device

The invention relates to a production device for an electrode frame and ion exchange membrane integrated structure. The production device comprises a membrane material unfolding assembly, a laminating platform, a cutting assembly, a tensioning assembly, a pressing assembly, a mechanical arm and a hot pressing assembly, the film material unfolding assembly is used for unfolding a film roll and outputting a film material; the laminating platform is used for placing a first electrode frame; the cutting assembly is used for cutting the size of the ion exchange membrane; the film material is tensioned through the tensioning assembly; the pressing assembly and the laminating platform are oppositely arranged, and the pressing assembly enables the ion exchange membrane to abut against the first electrode frame; the mechanical arm is used for clamping and moving the second electrode frame; and the hot pressing assembly is used for integrally heating and pressing the electrode frame and ion exchange membrane integrated structure. According to the invention, automatic lamination of the ion exchange membrane and the electrode frame is realized, the problems of pollution, uneven stress and the like of the ion exchange membrane in a manual operation process are avoided, and the lamination efficiency and the lamination quality of the ion exchange membrane are effectively improved.
Owner:中国电气装备集团科学技术研究院有限公司

Device for collecting and purifying copper strip rolling oil

The utility model discloses a device for collecting and purifying copper strip rolling oil, which comprises a cabinet body, a treatment mechanism for collecting and purifying the copper strip rolling oil is arranged at the inner end of the cabinet body, and the treatment mechanism comprises a receiving box arranged at the inner bottom of the cabinet body and used for receiving the rolling oil and cleaning fluid; the purification assembly is arranged on the left side of the cabinet body and is used for extracting and purifying the mixed liquid in the receiving box; and the lower scraping component is arranged on the inner side of the cabinet body, is positioned on the upper side of the receiving box and is used for stripping and cleaning the rolling oil attached to the lower surface of the copper strip. According to the copper strip rolling oil collecting and purifying device, the positions of the scraper piece and the guide roller are adjusted through the air cylinder assembly, attaching of the guide roller, the scraper and a copper strip is achieved, follow-up guiding and rolling oil scraping are facilitated, the liquid supply device is matched with the bifurcated pipe, the connecting shaft and the liquid spraying strip, spraying treatment is conducted on the corresponding faces of the scraper and the copper strip, and therefore the copper strip rolling oil collecting and purifying device is convenient to use. Therefore, the falling of the attached rolling oil is promoted.
Owner:YANGZHOU HEJI PLASTIC

Imprinting device with airbag structure, vacuum nanoimprinting equipment

This utility model discloses an upper imprinting device and a vacuum nanoimprinting equipment with an airbag structure, including: an upper imprinting mold frame, an airbag assembly, an airbag driving device, an airbag vacuuming device, and a cavity vacuuming device. The upper imprinting mold frame is driven by the upper mold frame driving device, and the upper imprinting mold frame has an upper cavity. The airbag assembly is placed in the upper cavity and includes: an upper locking ring plate, a lower locking ring plate, and an airbag. The upper and lower locking ring plates are concentrically arranged and connected to each other, and the edge of the airbag is clamped between the upper and lower locking ring plates. Under the action of the airbag vacuuming device and the cavity vacuuming device, a vacuum pressure difference is formed inside and outside the airbag, and the airbag expands outward, applying downward pressure to the center area of ​​the wafer, causing the wafer to deform accordingly. This utility model achieves deformation of the center area of ​​the wafer by expanding and applying pressure under vacuum pressure difference, thereby improving the accuracy of wafer bonding with the motherboard and the imprinting yield.
Owner:SUZHOU GUANGDUO MICRO NANO DEVICE

An apparatus and method for preparing composite thin films of solar cell materials

This invention discloses an apparatus and method for preparing composite thin films for solar cells. The apparatus includes a lower conveying mechanism, a middle coating mechanism, and an upper adsorption mechanism. A friction mechanism generates static electricity on the surface of a lifting slide to adsorb the thin film. A cutting blade cuts the film to be processed, which is then transferred to the lifting slide surface by a film suction cup. An internal electric cylinder pushes the film off and onto a conveyor belt for automatic unloading. The method includes: electrostatic preparation, lifting slide resetting, film cutting, film adsorption and transfer, film unloading and conveying, and end clamping preparation. This invention achieves automatic cutting, electrostatic adsorption, transfer and bonding, and continuous conveying of the thin film through an integrated design, improving the efficiency and positioning accuracy of thin film composite preparation, and is suitable for the automated production of solar cell materials.
Owner:XINYU UNIV

A high-efficiency demolding mold structure applied to a radiator back plate

ActiveCN120984850Bavoid deformationmulti-touchPilot holeMold removal
The application discloses a high-efficiency demolding die structure applied to a radiator back plate and belongs to the technical field of die-casting dies. Mainly comprising a fixed die mechanism and a movable die mechanism, the fixed die mechanism is provided with a base, the base is provided with a fixed die seat, the fixed die seat is provided with a die core, the movable die mechanism is provided with a movable die seat, the movable die seat is provided with a cavity, the base is provided with a mounting groove, the mounting groove is provided with a stripping mechanism, the stripping mechanism comprises a stripping plate which is slidably arranged in the mounting groove, springs are arranged between the stripping plate and the fixed die seat, a plurality of mounting holes are arranged on the stripping plate, stripping rods are inserted into the mounting holes, a plurality of guide holes are arranged on the fixed die seat, and the stripping rods are arranged in the guide holes. The high-efficiency demolding die structure applied to the radiator back plate can realize multi-point contact when the radiator back plate is stripped, so that the back plate can keep balance during stripping, and deformation of the back plate blank during ejection is avoided.
Owner:DONGGUAN MANKE HARDWARE PROD CO LTD

Film sealing mechanism for processing gel dressing

The utility model discloses a film sealing mechanism for gel dressing processing, and relates to the technical field of gel dressing film sealing. An upper film roller is fixedly mounted at the top of the box body; a support frame is fixedly mounted at one end of the top of the box; a first guide roller, a second guide roller and a third guide roller are arranged on the support frame; limiting wheels are installed on the second guide roller and the third guide roller in a matched mode. Adjusting rollers are arranged at the bottoms of the second guide roller and the third guide roller through double round head plates in a matched manner; the double-round-head plate and the supporting frame are movably installed. A first conveying roller and a fourth guide roller are further installed on one side of the box body in a matched mode. A limiting wheel is arranged on the first transmission roller; during use, feeding and conveying of a sealing film are achieved through the film feeding roller, the sealing film is conveyed to the adjusting roller through the first guide roller, the second guide roller and the third guide roller, and through adjustment between the double-round-head plate and the supporting frame, the sealing film tensioning speed is effectively adjusted.
Owner:SHAANXI ZENA PHARM CO LTD

High-level solid waste super pressure machine press head structure, method and waste treatment equipment

ActiveCN119187187Bachieve fitSimple and reliable operationSolid waste disposal
The application discloses a high-level solid waste super-pressure machine pressure head structure, which comprises a pressure head, a pressure rod, a connecting rod and an operating mechanism, the pressure rod is internally provided with an axial through hole, the connecting rod is arranged in the through hole of the pressure rod, a T-shaped head is arranged on the tail section of the connecting rod on the inner side of a shielding plate, the head section of the connecting rod on the outer side of the shielding plate is connected with the operating mechanism, a T-shaped slot hole is arranged on the pressure head, the operating mechanism can drive the connecting rod to rotate and adjust the relative angle between the double wings and the slot opening of the T-shaped head, so that the T-shaped head can enter or exit the T-shaped slot hole, and the operating mechanism can drive the connecting rod to axially move the T-shaped head, so that the T-shaped head can pull the pressure head to the pressure rod or push the pressure head to separate from the pressure rod. The pressure head structure is reasonable in structure, can be replaced at a long distance, is convenient to disassemble and replace, and can guarantee production efficiency. The application further provides a replacement method of the high-level solid waste super-pressure machine pressure head structure and a waste treatment equipment.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Grinding device for deep groove ball bearing machining

The invention relates to the technical field of deep groove ball bearing machining, and discloses a grinding device for deep groove ball bearing machining, which comprises a working table, and preferably, further comprises a bracket, a grinding device, a grinding device, a grinding device and a grinding device, and preferably, the bracket is mounted at the bottom of the working table and is used for supporting the working table to be stable; the inner clamping mechanism is arranged above the workbench and is used for internally clamping deep groove ball bearings with different diameters; the outer limiting mechanism is arranged on the inner clamping mechanism and is used for limiting when the outer wall of the deep groove ball bearing is ground; and the grinding mechanism is arranged on the right side of the workbench and used for grinding the deep groove ball bearing. According to the deep groove ball bearing inner ring grinding device, through the arranged inner clamping mechanism, the included angle between the first clamping rod and the second clamping rod is changed, so that the inner ring of a deep groove ball bearing is clamped, auxiliary clamping is achieved, and the deep groove ball bearing can be ground conveniently.
Owner:CHANGYUAN BEARING MFG CO LTD

A new energy forklift truck production welding device

This invention discloses a welding device for the production of new energy forklifts, including a workbench, a side panel assembly, an elastic fixing assembly, a drive and mounting platform, a pushing and fixing assembly, and a welding execution unit. The workbench has a concave position and a through-hole, with the through-hole located at the concave position. The side panel assembly has a movable execution end, forming a mounting position together with the concave position. The elastic fixing assembly is located on the workbench and adjacent to one end of the concave position. The drive and mounting platform includes a drive mechanism and a mounting frame. The mounting frame can move towards or away from the mounting position under the drive mechanism, engaging with the elastic fixing assembly when it reaches a predetermined position, driving it to press against the back plate. The pushing and fixing assembly is located on the mounting frame, pushing the fork blade to a target position that fits against the back plate and fixing it. The workbench has a fork blade position to accommodate and guide the movement of the fork blade, ensuring that its upper surface fits against the lower surface of the back plate when it reaches the target position. The welding execution unit performs welding actions after reaching the welding position.
Owner:SHANDONG ZHONGJI SPECIAL EQUIPMENT CO LTD

A suction cup for lifting air compressor storage tank

This application relates to a suction cup for lifting air compressor storage tanks, belonging to the field of air compressor manufacturing technology. It includes an installation plate for connecting to the guide rail slide of a lifting electric guide rail. A hydraulic push rod is located at the lower end of the installation plate, and a loading seat is located at the push rod of the hydraulic push rod. A pair of upper suction cups are connected to the lower end of the loading seat. Hydraulic push rods are located on both the front and rear sides of the loading seat, and a movable seat is located at the push rod of the hydraulic push rod. A hydraulic push rod is located at the upper end of the movable seat. This suction cup for lifting air compressor storage tanks, based on the diameter of the storage tank, activates the hydraulic push rod three to move the suction cups on the hollow seat downwards, and the hydraulic push rod two moves the movable seat and suction cups laterally, changing the distance between the suction cups. This allows the suction cups to adhere to the opposite sides of the storage tank. Furthermore, an exhaust / exhaust assembly is used to achieve the adsorption, adhesion, and separation of the suction cups and the storage tank. Compared to existing technologies, this allows for adjustable adsorption and transport based on storage tank diameters.
Owner:HUBEI ZHONGJI POWER CO LTD

Fault ride-through structured modeling method for wind turbine generator model

The invention provides a wind turbine generator model fault ride-through structured modeling method, which comprises the following steps: (1) selecting a wind turbine generator, carrying out high-low ride-through test on the wind turbine generator, and analyzing transient response characteristics of different wind turbine generators; (2) obtaining fault ride-through response characteristics of the wind turbine generator; (3) detecting the grid-connected point voltage of the wind turbine generator, and judging and selecting a high-low crossing mode; (4) dividing the whole process of the fault period of the wind turbine generator, and carrying out fault switching logic setting; (5) constructing a control instruction of the wind turbine generator; (6) constructing an active and reactive power control instruction during the fault period; (7) performing parameter identification on the physical parameters of the wind turbine generator and the parameters of the stator and rotor controller to obtain a complete model; and (8) comparing the obtained model with a manufacturer packaging model, and checking the consistency of the model and the manufacturer packaging model. According to the method, on the basis of a large number of actual wind turbine generator set actual measurement curves and fault time segment modeling, fitting and response characteristic analysis of response characteristics of different actual wind turbine generator sets can be achieved.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

Automatic gear shifting mechanism

The present invention discloses an automatic shift mechanism, which relates to the field of automobile transmission technology, including a motor, a worm connected to the output end of the motor, a shift shaft provided at intervals and in parallel with the worm, a shift fork provided on a sliding sleeve on the shift shaft, the worm and the shift fork are connected by a connecting member, the connecting member includes a first base, a tooth provided on the side of the first base facing the worm wheel, a shift head provided on the side of the first base facing the shift fork, two opposite shift blocks provided on the shift fork, the shift blocks are used to fix the shift head, and the shift fork is provided with a coaxial assembly at both ends of the shift shaft. The purpose of the present invention is to provide an automatic shift mechanism with good matching effect between the shift fork and the shift shaft and weak torsional force transmission effect of the shift head.
Owner:浙江万里扬股份有限公司杭州分公司 +1

Digitization tool for assisting line pressing of bypass valve of gas turbine and using method of digitization tool

The invention relates to the technical field of bypass valve maintenance, and discloses a datamation tool for assisting line pressing of a bypass valve of a gas turbine, the datamation tool comprises the bypass valve and a datamation tool body, the datamation tool body comprises a supporting disc, a gradienter, three infrared positioning lamps, supporting legs, a hand wheel, a pull rod and a dial indicator, the gradienter and the supporting disc are coaxially arranged, the gradienter is arranged on the upper end face of the supporting disc, the three infrared positioning lamps are arranged on the outer side of the circumference of the supporting disc at equal intervals, the three fixing bases are arranged on the outer side of the lower end face of the supporting disc at equal intervals and used for being connected with the supporting legs, and the supporting legs are connected with the fixing bases through hinges. In the line pressing process of the bypass valve of the steam turbine, datamation measurement of the relative height of each point position of the valve seat is achieved, a worker is guided to conduct adjustment, the working efficiency is greatly improved, the maintenance time is saved, the maintenance quality is guaranteed through data display, and internal leakage after the bypass valve is installed is prevented.
Owner:HUANENG MIANCHI COGENRAION CO LTD

A method and system for controlling the brightness of an LED liquid crystal display screen by partition

PendingCN122695936ACollaboration speedReduce reverse image sticking
The application belongs to the technical field of display control, and specifically discloses an LED liquid crystal display screen partition luminance control method and system, which comprises the following steps: generating current frame and next frame data streams by separating a continuous image sequence; performing spatial pixel statistics on the next frame to generate a target backlight digital value; combining the actual backlight value of the current frame to calculate the time domain variation trend, generating a forward-looking backlight state vector and decoding a hardware control feature code; performing spatial filtering on the target backlight digital value to generate a pulse width signal to drive a light source array; using the hardware control feature code to select a target overdrive lookup table, extracting a basic overdrive compensation voltage; using the internal factor of the hardware control feature code to correct the amplitude of the compensation voltage, generating a final driving voltage and applying it to the pixel to realize the display of a fast response liquid crystal. The application realizes the accurate cooperation of pixel overdrive and backlight dynamic trend, and effectively suppresses visual artifacts.
Owner:HENAN ZHENHI TECH CO LTD

Die structure

The utility model provides a mold structure. The mold structure comprises a main body mold, a loose piece mold, a positioning assembly and a connecting assembly, the main body mold is provided with a supporting part, and the loose piece mold is arranged on the supporting part and has a first state in which the loose piece mold is attached to the supporting part and a second state in which the loose piece mold is separated from the supporting part; the positioning assembly comprises a positioning pin and a pin seat, one of the positioning pin and the pin seat is arranged on the supporting part, the other one is arranged on the loose piece mold, and a pin hole is formed in the pin seat; the connecting assembly comprises a magnetic piece and a magnetic conducting piece, one of the magnetic piece and the magnetic conducting piece is arranged on the supporting part, and the other one is arranged on the loose piece mold; when the loose piece mold is in a first state, the positioning pin is inserted into the pin hole, and the magnetic piece and the magnetic conducting piece are attracted; and when the loose piece mold is in a second state, the positioning pin is separated from the pin hole, and the magnetic piece is separated from the magnetic conducting piece. According to the utility model, the technical problem that the mold closing and demolding efficiency between the loose piece mold and the main body mold is relatively low can be solved.
Owner:SHANDONG SHUANGYI TECH