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28results about How to "Solve the force problem" patented technology
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IV-type gas cylinder hoop and fixing device
PendingCN119267792ASolve the force problemresolve failureVessel mounting detailsContainer filling methodsGas cylinderMechanical engineering
The invention belongs to the technical field of gas cylinder accessories, and particularly relates to an IV-type gas cylinder hoop and a fixing device. The device comprises a gas cylinder bandage, a radial expansion mechanism, a support, a gas cylinder support guide mechanism, a sliding base and a plurality of diameter compensation mechanisms with different thicknesses. The radial expansion mechanism is composed of a radial expansion guider I, a radial expansion compensator, a radial expansion guider II and a bandage locking nut from top to bottom, and the radial expansion compensator is a spring; a sliding groove is formed in the support. The two tail ends of the gas cylinder bandage penetrate through the corresponding sliding grooves through welded studs and are screwed to be installed on the support together with the radial expansion mechanism. The device is easy to assemble, high in efficiency, good in product interchangeability and consistency, and capable of absorbing the swelling amount of the gas cylinder in the diameter direction and the length direction due to the modular and lightweight design.
Owner:FAURECIA (SHANGHAI) HYDROGEN ENERGY INVESTMENT CO LTD
Glass fiber reinforced plastic pipeline support
ActiveCN222458638Ufirmly connectedEasy to assemble and disassemblePipe supportsSiphonsGlass fiberStructural engineering
The utility model discloses a glass fiber reinforced plastic pipeline support which comprises a first clamping hoop assembly and a second clamping hoop assembly, the first clamping hoop assembly and the second clamping hoop assembly are clamped on a pipeline in a spaced mode, the first clamping hoop assembly is fixedly arranged on first profile steel, and the second clamping hoop assembly is fixedly arranged on second profile steel so as to fix the pipeline. A first arc-shaped protective tile and a second arc-shaped protective tile are arranged on the two sides of the first clamp assembly correspondingly and adhere to the pipeline so as to fix the first clamp assembly, and a third arc-shaped protective tile and a fourth arc-shaped protective tile are arranged on the two sides of the second clamp assembly correspondingly and adhere to the pipeline so as to fix the second clamp assembly. And the third arc-shaped protective tile and the fourth arc-shaped protective tile are adhered to the pipeline so as to fix the second clamp assembly. The glass fiber reinforced plastic pipeline support is stable in pipeline connection and convenient to disassemble and assemble, operation efficiency is improved, safety of a pipeline system is guaranteed, and the problem of stress of a glass fiber reinforced plastic pipeline of an offshore oil platform under the action of water attack is effectively solved.
Owner:OFFSHORE OIL ENG CO LTD
Hydrocarbon fuel cell aero-engine
PendingCN119532057AImprove work efficiencyImprove work flexibilityJet propulsion plantsMotive system fuel cellsCombustion chamberPartial oxidation
The invention provides a hydrocarbon fuel cell aero-engine, a gas compressor and a fan in the engine are driven by a motor and can also be driven by a turbine shaft, a fuel cell system is located behind a turbine, and a partial oxidation reforming reactor, a combustion chamber, a fuel delivery pump and an exhaust nozzle are sequentially connected. Tail gas of the fuel cell system and gas which does not react completely are used for driving the turbine to rotate, the main shaft is driven to drive the gas compressor and the fan to work, electric energy generated by electrochemical reaction in the fuel cell system can also be used for driving the generator to work, and two working modes of driving the gas compressor and the fan are adopted; the problem of poor economical efficiency caused by the fact that a turbine is used for driving the gas compressor in the high altitude is solved; through the working modes of the dual-drive air compressor and the fan, the engine can be freely switched between the high altitude and the low altitude according to requirements in the using process. The advantages of cleanness and high efficiency of the fuel cell are utilized, and the problem that a traditional aero-engine is high in oil consumption rate is solved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Support stabilizing mechanism of air volume meter
The utility model discloses a support stabilizing mechanism of an air volume meter, which relates to the technical field of support stabilizing of air volume meters and comprises a supporting foot plate, three fixing plates are fixedly connected to the outer side of the supporting foot plate at equal intervals, arc-shaped reinforcing plates are fixedly connected among the fixing plates, each arc-shaped reinforcing plate is divided into two sections, and the arc-shaped reinforcing plates are fixedly connected among the fixing plates. Universal wheels are mounted on the lower sides of one ends of the fixing plates; fixing cylinders are fixedly connected to the upper ends of the supporting foot plates; the supporting rod and the lengthened sleeve rod are connected in a sleeved mode, the height of the supporting plate can be conveniently adjusted according to the measured height, the use convenience of the support of the air volume meter is improved, and then the function of adjusting the height of the support of the air volume meter is achieved; the support stabilizing mechanism is simple in structure and convenient to buffer in the weight supporting process, the measurement efficiency of the support of the air volume meter is improved, then the function of preventing the influence of gravity factors is achieved, and finally the phenomenon that the support stabilizing mechanism of the air volume meter is stressed or broken is avoided.
Owner:苏州尚田洁净技术有限公司
Novel high-strength differential mechanism with symmetrical structure
InactiveCN119244717Areasonable layouthigh strengthGear lubrication/coolingDifferential gearingsGear wheelPhysics
The invention discloses a high-strength symmetrical structure novel differential mechanism which comprises an outer shell, a plurality of first tooth embedded teeth, a plurality of second tooth embedded teeth and a plurality of lubricating oil holes, the outer shell is of a split symmetrical structure, a mounting cavity is formed in the outer shell after the outer shell is combined, and the first tooth embedded teeth are arranged on the spigot end face in the outer shell; the inner shell is assembled in the mounting cavity, the inner shell is of a hollow annular structure, a plurality of planetary shaft holes are symmetrically formed in the annular surface of the inner shell, second jaw teeth used for being matched with the first jaw teeth are arranged on the end faces of the two sides of the inner shell, and an inner cavity of the inner shell is of a spherical structure so as to be used for being matched with the appearance structure of the planetary gear; the planet shaft is inserted into a planet shaft hole in the inner shell; the elastic pin is used for fixing the planet shaft on the inner shell; the planetary gears are connected to the planetary shaft and located in the inner cavity of the spherical structure; and the plurality of half axle gears are assembled in the mounting cavity and are matched with the planetary gears.
Owner:JIANGSU PACIFIC PRECISION FORGING
Combined double-main cable saddle for elevator
ActiveCN222313791USolve the force problemlow costBridge structural detailsControl theoryMechanical engineering
The utility model discloses an elevator combined type double main cable saddle, double main cable saddles are separately arranged, an elevator is arranged between the separated cable saddles, each cable saddle comprises a saddle groove, a saddle body, a connecting steel pipe and a base, and the saddle groove, the saddle body, the connecting steel pipe and the base are connected from top to bottom. According to the combined type double-main cable saddle for the elevator, the cable saddle is separated to contain the elevator, the four transverse connecting rods are arranged to solve the stress problem, and the cable saddles in various different forms are provided to solve the problem of a complex cable system.
Owner:SHANGHAI RUIQIAO CIVIL ENG CONSULTING CO LTD
Jig
A tool for mounting and dismounting a lower bushing of an epitaxial device, comprising: a main frame, a plurality of telescopic members and a plurality of linkage members; the main frame has a first support part and a second support part oppositely arranged along a first direction, and has a limiting space between the first support part and the second support part for limiting the lower bushing; the plurality of telescopic members are arranged at intervals around the second support part along the first direction, and each telescopic member can be telescoped along a different second direction, the first direction being perpendicular to the second direction; one end of each linkage member is connected with one telescopic member, and the other end is slidingly connected with the main frame; the first support part is provided with a connecting part for connecting with an external lifting device. The present application can avoid the lower bushing from shaking during the mounting process, ensure that the lower bushing in the limiting space always maintains a stable posture during the mounting process, reduce the risk of jam caused by horizontal deviation from the root, improve the mounting stability, and reduce the probability of the lower bushing being broken.
Owner:ZING SEMICON CORP
Synchronous and efficient tensioning method for prefabricated inverted arch blocks of TBM tunneling tunnel
PendingCN119593775ASolve the force problemuniform gapUnderground chambersHydro energy generationArchitectural engineeringJackscrew
Owner:HENAN POLYTECHNIC UNIV
Method for determining and correcting tube joint weight and buoyancy center position of variable cross-section immersed tube
ActiveCN119150734AReduced stabilityensure safetyArtificial islandsGeometric CADWater savingImmersed tube
The invention discloses a method for determining and correcting the weight and buoyancy center position of a variable cross-section immersed tube joint, which aims at a special variable cross-section immersed tube joint structure, can standardly calculate the weight and buoyancy center position of the variable cross-section immersed tube joint, and further reasonably determines the fixed inclination height of the tube joint and controls the stability of the tube joint under various working conditions by determining the weight and buoyancy center position. And the safety and the stability of floating transportation in water saving of the variable-cross-section immersed tube are ensured. According to the method, the stress and deviation correction problems of the variable cross-section immersed tube joint in the floating and floating transportation processes are solved, the design difficulty is effectively reduced, and the construction control risk is reduced.
Owner:GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
Opposite-pulling assembly for UHPC bent cap formwork, UHPC bent cap formwork and combined bent cap
PendingCN122082351AImproves Structural IntegrityImprove economyBridge structural detailsBridge erection/assemblyClassical mechanicsStructural integrity
The invention discloses an opposite-pull assembly for a UHPC bent cap formwork, the UHPC bent cap formwork and a combined bent cap. The opposite-pull assembly comprises an opposite-pull rod and a pair of opposite-pull rod fixing pieces arranged on the tops of a pair of formwork webs correspondingly. The opposite-pull rod fixing piece comprises a pre-buried fixing plate fixedly arranged on the inner surface of a formwork web and a clamping plate fixedly arranged on the outer surface of the formwork web, and through holes allowing the opposite-pull rods to penetrate through are formed in the areas, exceeding the top of the formwork web, of the pre-buried fixing plate and the clamping plate. And the end parts of the opposite pull rods penetrate through the through holes in the pre-embedded fixing plate and the clamping plate, and are fixed through an inner fastener positioned on the inner surface of the pre-embedded fixing plate and an outer fastener positioned on the outer surface of the clamping plate. The opposite-pull rod is arranged above the top of the formwork web, the opposite-pull rod can be dismantled and reused, and the economic performance is good. And meanwhile, holes are not required to be formed in the formwork webs for mounting the opposite-pull rods, so that the structural integrity of the formwork webs is better, and the appearance is more attractive.
Owner:HUBEI PROVINCE TRANSPORTATION INVESTMENT GRP CO LTD +3
Brush bristle implanting device for toothbrush production
The utility model belongs to the technical field of toothbrush production, and particularly relates to a bristle implanting device for toothbrush production, which comprises a processing table. A supporting mechanism is arranged on the inner side of the machining table, fixing mechanisms are arranged on the two sides of the machining table, an implanting mechanism is arranged on the top side of the machining table, the supporting mechanism comprises a shell, a sliding block is installed on the inner side of the shell in a sliding mode, a directional wheel is fixed to the bottom side of the sliding block, and limiting grooves are formed in the four corners of the sliding block; limiting blocks are fixed to the two ends of the inner side of the shell, a rectangular plate is fixed to the top end of a supporting rod, a hydraulic rod is slidably installed on the inner side of a hydraulic cylinder in a matched mode through a piston, the hydraulic cylinder is controlled to push a directional wheel out of the bottom side of a machining table, the machining table is supported and moved to the machining position, and then the hydraulic cylinder is controlled to enable the hydraulic rod on the inner side of the hydraulic cylinder to extend. And the directional wheel is retracted to the inner side of the shell, the bottom side of the machining table makes contact with the ground at the moment, the contact area of the machining table and the ground is large, and the problem that an existing device is prone to deviating or toppling due to stress is solved.
Owner:GUANGZHOU WANYUAN ELECTRONICS CO LTD
Battery cell in-box structure with pre-tightening force
ActiveCN222114018USolve the force problemsolve stressWelding/cutting auxillary devicesAuxillary welding devicesElectrical batteryStructural engineering
The utility model discloses a battery cell in-box structure with pretightening force, which comprises a box body, a working table and battery cells, a plurality of battery cells are arranged on the working table through a limiting assembly after being arranged in sequence, a cushion pad is arranged between every two adjacent battery cells, battery cell tabs on the working table are arranged in the box body after being welded, the limiting assembly comprises a limiting block, and the limiting block is arranged on the working table. The limiting blocks are in sliding connection with kidney-shaped holes formed in the workbench, and a space formed by oppositely arranging the at least two limiting blocks is used for limiting a battery cell; according to the battery cell boxing structure, the problems of boxing after short knife type battery cells are welded, keeping tabs not stressed and ensuring accurate pre-tightening pressure are solved, the buffer pads are arranged between the adjacent battery cells, the pre-tightening pressure is formed through pressing deformation of the buffer pads, certain pre-tightening pressure is ensured when the battery cells enter a battery pack, the early-stage circulation is good, the later-stage expansion force is controllable, and the battery cell boxing structure is suitable for large-scale popularization and application. The service life is prolonged.
Owner:SHANGHAI GUOXUAN NEW ENERGY CO LTD
A device and method for controlling the impact test of a falling weight using a combination of magnetorheological fluid and metal sheet.
ActiveCN121521598Bachieve reductionSolve the force problemStrength propertiesMagnetorheological fluidData acquisition
This application relates to the technical field of structural dynamics testing equipment, and discloses a device and method for combined control of magnetorheological fluid and metal spring sheet for drop hammer impact testing. The device includes: a test bench comprising a rigid base, a vertical support column, and a horizontal fixed beam; a drop hammer system for lifting and releasing the drop hammer body; a combined control loading system for providing stiffness support; a uniformly distributed load transfer system for receiving the impact load and converting it into a line load for transfer to the beam / column component under test; a parameter monitoring system for data acquisition; and a control system for controlling the release of the drop hammer body and adjusting the current of the excitation coil. This invention, by employing the combination of magnetorheological fluid and metal spring sheet, and utilizing the synergistic effect of the continuously adjustable damping of the magnetorheological fluid and the stiffness support of the metal spring sheet, can achieve impact pulse trimming, thereby avoiding the shortcomings of traditional airbag and rubber loading methods, such as narrow control range and low precision.
Owner:TIANJIN CHENGJIAN UNIV
Model predictive controller for eliminating transmission backlash in multi-servo drive systems of heliostats
This invention provides a model predictive controller for eliminating backlash in a heliostat multi-servo drive system, specifically for heliostat multi-servo drive systems. For speed control, an improved dead-zone model is proposed to model the backlash, and a dynamic model of the dual-motor system is established based on this model. A model predictive speed controller and control system based on the dead-zone model are designed according to the dynamic model, and a feedback correction loop is used to correct the prediction results. For position control, an improved backlash elimination strategy using a variable offset torque distribution method is proposed, and a dual-motor system model based on the backlash elimination strategy is established. A model predictive position controller and control system based on the backlash elimination strategy are designed based on this model. The controller of this invention can eliminate the influence of backlash in the heliostat multi-servo system, achieving fast and stable speed regulation without overshoot and fast response and high positioning accuracy in position control.
Owner:HUAZHONG UNIV OF SCI & TECH
Water retaining wall for hydraulic engineering construction
ActiveCN222161091Ureduce impactSolve the force problemDamsNon-rotating vibration suppressionWind waveAir pump
The utility model relates to the technical field of hydraulic engineering, and discloses a retention wall for hydraulic engineering construction, which comprises a base, the upper surface of the base is fixedly connected with a baffle plate, the outer wall of the baffle plate is fixedly connected with a telescopic rod, the outer wall of the telescopic rod is fixedly connected with an arc-shaped plate, the outer wall of the arc-shaped plate is fixedly connected with a plurality of partition plates, and the partition plates are fixedly connected with the baffle plate. The outer wall of the telescopic rod is sleeved with a spring, one end of the spring is fixedly connected to the outer wall of a baffle, the other end of the spring is fixedly connected to the outer wall of an arc-shaped plate, an air bag is arranged in the arc-shaped plate, the outer wall of the baffle is fixedly connected with an air pump, and the output end of the air pump is fixedly connected with a hose. According to the device, the baffle, the telescopic rod, the spring, the arc-shaped plate, the partition plate, the air bag, the air pump and the hose are matched, so that the effects of reducing the impact force of stormy waves on the retention wall and improving the overall stability of the device are achieved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Construction structure and method for quickly installing basement escalator under complex conditions
ActiveCN119221522Asafe installationEasy to installArtificial islandsCellarsBasementArchitectural engineering
The invention discloses a construction structure for quickly mounting a basement escalator under complex conditions, which comprises an underground space, a door-shaped fabricated bracket is fixed at the top of a concrete top plate, an electric hoist is arranged on one side of an underground shear wall, and the electric hoist is connected with a first chain penetrating through the door-shaped fabricated bracket and an escalator mounting hole; a pulley block is hoisted by the n-shaped assembly type support and connected with a second lock chain penetrating through an escalator installation hole, and a universal wheel sliding plate is arranged at the bottom of the escalator. The invention further discloses a construction method for rapidly installing the basement escalator under the complex condition. The construction method comprises the steps that 1, the n-shaped assembly type support is fixed through the cable rope; a universal wheel sliding plate is arranged at the bottom of the rear end of the escalator; 3, an electric hoist and a first chain are installed on the underground shear wall; 4, synchronously loosening the pulley block when the electric hoist pulls the escalator to advance; and S5, the escalator is installed in place. The problems that a basement lacks a crane car and the installation working face is narrow are solved, and the method can be widely applied to the field of underground construction.
Owner:CHINA FIRST METALLURGICAL GROUP +1
Capacitive screen processing feeding device
The utility model belongs to the technical field of capacitive screen machining, and particularly relates to a capacitive screen machining feeding device which comprises a top plate. Fixing mechanisms are arranged at the two ends of the top plate, lifting mechanisms are arranged at the two ends of the bottom side of the top plate, a rotating mechanism is arranged on the bottom side of the top plate, each fixing mechanism comprises a lifting table, a cylinder barrel is fixed to the side face of each lifting table, a piston is slidably installed on the inner side of each cylinder barrel, and an air pump is fixed to the top side of the top plate. A guide pipe is fixed to the top end of the inner side of the cylinder barrel, a sliding block is slidably installed on the inner side of the sliding groove, a suction cup is fixed to the bottom side of the lifting table and the bottom side of the sliding block, a hose is fixedly connected to the bottom side of the cylinder barrel, and after the suction cup makes contact with the capacitive screen, an air pump is controlled to pump out air inside the cylinder barrel, and a piston is driven to ascend on the inner side of the cylinder barrel. The capacitive screen is adsorbed and fixed through the suction cup, the adsorption force is constant, the capacitive screen cannot be damaged due to too large stress, and the problem that in the feeding process of an existing feeding device, the capacitive screen is damaged due to large stress is solved.
Owner:GUANGZHOU DIANKONG ELECTRONIC TECH CO LTD
Method for determining fixed inclination height of variable cross-section immersed tube joint
ActiveCN119106638ASolve the force problemReduced stabilityDesign optimisation/simulationWater savingImmersed tube
The invention discloses a method for determining the fixed inclination height of a variable-cross-section immersed tube joint, which can standardly calculate the fixed inclination height of the variable-cross-section immersed tube joint aiming at a special variable-cross-section immersed tube joint structure and control the stability of the tube joint under various working conditions by determining the fixed inclination height of the tube joint. And the safety and the stability of floating transportation in water saving of the variable-cross-section immersed tube are ensured. According to the method, the stress problem of the variable cross-section immersed tube joint in floating and floating transportation is solved, the design difficulty of the tube joint is effectively reduced, and the construction control risk is reduced.
Owner:GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
A ring type air-core reactor support structure
ActiveCN120545051BSolve the force problemSolve air convection problemsTransformers/reacts mounting/support/suspensionTransformers/inductances coolingTop capPhysics
The application provides a ring type hollow electric reactor support structure, which comprises a hollow top cover, a lower bracket and a fixing base. The pie type coil section is arranged between the hollow top cover and the lower bracket, and the lower bracket is detachably connected with the fixing base. The hollow top cover is provided with first installation slots which are in a radial distribution and penetrate through the upper and lower parts of the hollow top cover, and are used for inserting and arranging the pie type coil section. The lower bracket is provided with a sliding groove table and a supporting part, and the sliding groove table is slidably connected with the supporting part. The sliding groove table is provided with a second installation slot which is used for supporting the pie type coil section. The end of the supporting part is detachably connected with the fixing base. The application has the advantages of simple structure and low cost. The pie type coil stress and air convection problem are solved through the upper and lower clamping structure, so that the electric reactor has enough heat dissipation space during operation. In combination with the sliding design, the function of adjustable inner diameter of the electric reactor is realized, so that the electric reactor can freely select the inductance value by adjusting the inner diameter within a certain range, and the application flexibility is enhanced.
Owner:NORTH CHINA ELECTRIC POWER UNIV
Anterior-posterior atlantoaxial fusion device
ActiveCN110680573BEven by forceNot easy to damageInternal osteosythesisSpinal implantsOccipitocervical fusionPhysical medicine and rehabilitation
The present invention provides an anterior-posterior combined atlantoaxial fusion device, comprising: an occipital-cervical fusion plate, the occipital-cervical fusion plate comprising an occipital plate and two connecting plates, the occipital plate being an arc-shaped structure, the two connecting plates being respectively connected to the two ends of the occipital plate; a connecting piece, the first end of the connecting piece being connected to the occipital-cervical fusion plate; an atlantoaxial support fusion device, the atlantoaxial support fusion device being connected to the second end of the connecting piece, the atlantoaxial support fusion device having a compression position and an open support position. The technical solution of the present invention effectively solves the problem of easy failure caused by uneven force after the atlantoaxial fusion device in the prior art is connected to the bone.
Owner:BEIJING AKEC MEDICAL
Prefabricated rectangular pool
The present application discloses an assembled rectangular pool, including L-shaped prefabricated components, which are connected to each other through joints and enclose the pool wall and part of the pool bottom of the rectangular pool; wherein, the L-shaped prefabricated components at the four corners of the pool wall have two flat plates arranged vertically to form the corners of the pool wall, and the remaining L-shaped prefabricated components have one flat plate arranged horizontally to form part of the pool bottom, and one flat plate arranged vertically to form part of the pool wall; the flat plate prefabricated components are adapted to the filling part of the pool bottom formed by the L-shaped prefabricated components, and are connected to each other through joints with the L-shaped prefabricated components to form a complete pool bottom; the joints of the L-shaped prefabricated components and the flat plate prefabricated components are integral joints in the form of post-cast strips. The rectangular pool is reasonably divided into L-shaped prefabricated components and flat plate prefabricated components, and the combination of the two can flexibly realize pool structures of various sizes, reduce the types of prefabricated components, unify the same specifications and sizes, and realize larger-scale and more forms of assembled pools with fewer specifications and simple forms of prefabricated components.
Owner:SDIC XINKAI WATER ENVIRONMENT INVESTMENT CO LTD
Turnover structure of battery box
The utility model provides a turnover structure of a battery box, and relates to the technical field of battery turnover. The turnover structure of the battery box comprises a bearing table, the bearing table is provided with a bearing table top, the bearing table top is used for bearing the battery box, the bearing table top is provided with a plurality of roller assemblies, the roller assemblies are arranged on the bearing table top at intervals, and the axes of rotating shafts of the roller assemblies are arranged in parallel, so that the damage risk is reduced, and the service life of the battery box is prolonged. Therefore, the battery box can stably slide with lower friction force, and the problem that in the prior art, when the battery box is installed, a liquid cooling plate at the bottom and a forklift arm are rubbed and stressed, so that the battery box is scratched or scratched through and leaks liquid is solved.
Owner:ZHUHAI YINLONG ELECTRICAL APPLIANCES +1
A boring device for boring a hole in a reverse arc-shaped valve hanger shaft of a ship lock
ActiveCN224294744UThe structural principle is clear and simpleEasy to installClimate change adaptationBoring/drilling componentsWear corrosionMarine engineering
The utility model provides a kind of shiplock reverse arc valve lug hole boring equipment, including parallelly arranged support bearing seat, support bearing seat is fixedly installed on combined support, boring bar is slidably and rotatably installed in the inside of support bearing seat, cooperating installation cutter holder is installed on boring bar, cooperating installation cutter is installed on cutter holder, fixedly installed with anti-rotation connecting plate on the outer wall of one side of support bearing seat, cutting power device for driving boring bar rotation and cutting is installed on anti-rotation connecting plate;The tail portion of the boring bar is equipped with a feeding power device for driving its feeding. Ensure that the original position boring can be realized without removing the reverse-arc door, the boring equipment is convenient to install on the reverse-arc door, firm and reliable, boring equipment level, height position is adjustable, can accurately repair the wear, corrosion damage lug hole.
Owner:THREE GORNAVIGATION AUTHORITY
Gate-type fixed frame grouping and connecting frame supporting system with preset coal sliding port
PendingCN119195816ASolve the force problemavoid extrusion deformationProtective coversSocial benefitsSupporting system
The gate-type fixed frame grouping connecting frame supporting system comprises a roadway, arch support bodies are fixed to the top and the right side of the roadway, the arch support bodies are connected side by side to form connecting frames, the coal sliding opening is reserved between every two adjacent connecting frames, a low-side lock beam is fixed to the left side of the roadway, and a low-side lock beam is fixed to the right side of the roadway. The low-side lock beam is fixedly connected with the arch-shaped bracket main body through a hoop bolt device; the above structures are connected into a whole to support the advanced fully-mechanized coal mining roadway, it is guaranteed that fully-mechanized coal mining equipment is reliably transported to the open-off cut and lowered to the working face to be installed, supporting is safe and reliable, withdrawing is convenient, more than 200000 yuan of economic benefits can be created, and social benefits are remarkable.
Owner:SICHUAN CHUANMEI SHIDONGGOU COAL IND CO LTD
Honeycomb aluminum plate trepanning-free lamp fixing support
ActiveCN222352218UEasy to installSolve the force problemLighting support devicesOutdoor lightingHoneycombStructural engineering
The utility model provides a honeycomb aluminum plate trepanning-free lamp fixing support which comprises a groove-shaped bottom clamping plate used for being connected to the backs of two aluminum plates in a bridging mode and providing a stress fulcrum. The surface clamping plate is C-shaped, is provided with a bolt hole in the center, is combined with the bottom clamping plate to form a clamp and is fixed on the surface of the aluminum plate; one end of the fastening screw is connected with the bottom clamping plate, and the other end of the fastening screw penetrates through the surface clamping plate to realize fastening connection between the surface clamping plate and the bottom clamping plate; and the nut is matched with the fastening screw rod for use to ensure that the clamp is firmly locked on the aluminum plate. According to the trepanning-free lamp fixing support, the specific structure is designed, the characteristics of the honeycomb aluminum plate can be fully utilized, stable and reliable stress points are provided, and it is ensured that a lamp is firmly installed; the fixing support can be fixed at any position of any honeycomb aluminum plate, and installation acting points are provided for various types of lamps such as circular lamps, square lamps and linear lamps.
Owner:CHINA CONSTR LIGHTING CO LTD
Negative heel health-care sole and shoe
ActiveCN222548667UImprove support stabilitySolve the force problemSolesPhysical medicine and rehabilitationHeel strike
The utility model relates to a health-care negative-heel sole which comprises a negative-heel sole body with a high front part and a low rear part, a half sole part is arranged at the position, corresponding to the front part of a sole, of the negative-heel sole body, a heel part is arranged at the position, corresponding to a heel, of the negative-heel sole body, and an arch part is formed between the heel part and the half sole part of the negative-heel sole body. A first supporting block and a second supporting block which extend outwards are formed on the left side and the right side of the negative-heel sole body respectively, the lower surface of the first supporting block is correspondingly connected with the lower surface of the negative-heel sole body, and the lower surface of the second supporting block is correspondingly connected with the lower surface of the negative-heel sole body. After the technical scheme is adopted, the first supporting block and the second supporting block which extend outwards are arranged on the half sole part, so that the supporting stability of the half sole part is improved, the problem that the half sole part of a negative heel sole is high and low in stability is solved, and the structure is simple.
Owner:杨卿灿
Electronic material mixing device
InactiveCN119139969Aeasy to replaceImprove uniformityRotating receptacle mixersTransportation and packagingElectric machineMechanical engineering
The invention relates to an electronic material mixing device which comprises a cabinet body, the cabinet body is provided with a mixing groove, a bearing cylinder is arranged in the mixing groove, and a lifting assembly is arranged on the inner wall of the mixing groove; the material mixing barrel is rotationally arranged in the bearing barrel; the material mixing assembly is arranged on the bearing plate, the material mixing assembly comprises a second driving motor, a dismounting rod and a material mixing piece, the second driving motor is installed on the bearing plate, the output end of the second driving motor is fixedly connected with a connecting column, the dismounting rod is fixedly connected to the connecting column, and the material mixing piece is fixedly connected to the connecting column. A mounting groove is formed in the peripheral surface of the dismounting rod, a plurality of L-shaped combination blocks are fixed in the mounting groove, and the tail ends of the material mixing sheets are fixedly connected to the combination blocks. According to the invention, the uniformity and efficiency during material mixing can be improved, and the problems that the materials are easy to form vortexes and are non-uniform in stress are solved.
Owner:SHANGHAI CRYSTAL KWONG SEMICON TECH CO LTD
High-temperature static strain gauge preparation method and high-temperature static strain gauge
ActiveCN121576982BReal-time measurement of static strainSolve the problem of pasting stressMaterial gluingLaminationThermodynamicsInsulation layer
This invention provides a method for preparing a high-temperature static strain gauge and the high-temperature static strain gauge itself. The method includes: step S01, surface treatment of the test piece; step S02, attaching a working strain gauge to the surface of the test piece; step S03, laying a first high-temperature cotton insulation layer on top of the working strain gauge; step S04, laying a compensation strain unit on the first high-temperature cotton insulation layer; step S05, laying a second high-temperature cotton insulation layer on the compensation strain unit; and step S06, bridging the strain gauge and covering the second high-temperature cotton insulation layer with a protective layer. This invention solves the problem of large differences between steady-state and transient thermal output caused by the curve correction method, and realizes real-time measurement of static strain in high-temperature environments.
Owner:AECC SICHUAN GAS TURBINE RES INST