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35results about How to "Avoid knocking" patented technology
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Engine energy-saving device and method for producing hydrogen by utilizing ultrasonic water mist and mineral particles
ActiveCN119532067AIncrease power outputImprove efficiencyElectrical controlNon-fuel substance addition to fuelWater storage tankMineral particles
The invention belongs to the field of automobile engine energy saving, and particularly relates to an engine energy saving device and method for producing hydrogen through ultrasonic water mist and mineral particles, the device comprises a special water storage tank, an ultrasonic water mist generator and micro hydrogen production mineral particles, and the special water storage tank is divided into an ultrasonic water mist generation chamber and a mineral particle hydrogen production chamber through a permeation partition plate; the ultrasonic water mist generator is placed at the position 3 mm-5 mm below the liquid level of the ultrasonic water mist generating chamber, and water is atomized through external power supply. Micro-hydrogen production mineral particles are placed at the bottom of the mineral particle hydrogen production chamber and react with water to generate hydrogen, part of hydrogen is dissolved in water, and part of hydrogen is stored in the gas storage chamber above the liquid level. An air outlet is formed in the top of the special water storage tank and connected with an engine air inlet pipe, water mist and hydrogen enter an air cylinder along with engine suction to participate in acting, and therefore the redundant fuel injection amount is eliminated, and heat transfer loss in the cylinder is reduced. The heat efficiency of the automobile engine is improved, knocking is restrained, the incomplete combustion phenomenon is reduced, and then fuel consumption and harmful gas emission are reduced.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY +1
A sealed and efficient heat dissipation electrical box
ActiveCN118613004Bclose contacteffective contactCasings/cabinets/drawers detailsHermetically-sealed casingsAir conditioningPhysics
The present invention discloses an electrical box with sealing and high-efficiency heat dissipation, and relates to the technical field of air conditioning. The electrical box with sealing and high-efficiency heat dissipation comprises a processing frame and a mounting frame, and also comprises a disassembly device; wherein, an electrical body is fixedly mounted on the bottom of the inner wall of the processing frame, a temperature detector is fixedly mounted on the bottom of the inner wall of the processing frame, a detection module and a control module are arranged inside the temperature detector, and a mounting opening is provided on the surface of the processing frame; wherein, the disassembly device comprises a conduction plate, a heat dissipation fin, a heat dissipation fan, an L-shaped plate, a triangular plate, a sliding plate and a sliding frame, and a sliding groove is provided on the surface of the mounting frame. The electrical box with sealing and high-efficiency heat dissipation can realize rapid disassembly, facilitate the inspection and maintenance of the heat dissipation device, reduce the maintenance cost of the equipment, and realize effective contact with electrical bodies of different sizes.
Owner:DONGGUAN HENGAN ELECTRICAL MAINTENANCE CO LTD
High-precision drilling device for precision hardware machining
ActiveCN222608098UAvoid knockingConvenient drilling workBoring/drilling componentsMaintainance and safety accessoriesHydraulic cylinderMachining
The utility model discloses a high-precision drilling device for precision hardware machining, and relates to the technical field of hardware machining, the high-precision drilling device comprises a device main body, supporting legs and a collecting box, a second hydraulic cylinder is installed in the device main body, the output end of the second hydraulic cylinder is connected with a placing plate, one side of the interior of the device main body is connected with a net plate, and the other side of the device main body is connected with the collecting box. A collecting box penetrates through one side of the outer surface of the device body, the supporting legs are located on one side of the device body, guide frames are connected to the tops of the supporting legs, and the collecting box is located below the guide frames. Through the arrangement of the guide frame, the collecting box, the collecting box, the placing plate, the net plate and the second hydraulic cylinder, after drilling is completed, the output end of the second hydraulic cylinder drives the placing plate to rotate downwards, and then the placing plate inclines to enable chippings and parts on the placing plate to slide downwards through gravity; chippings can be automatically discharged and separated while automatic discharging is conducted, the structure is simple, the cost is low, work can be completed through a single hydraulic cylinder, and energy consumption is effectively reduced.
Owner:PROSPERITY TECH (SHENZHEN) CO LTD
Compression ratio adjustable internal combustion engine
ActiveCN114198212BImprove efficiencyAvoid knockingInternal combustion piston enginesExhaust apparatus
The present invention relates to the technical field of internal combustion engines, and in particular to an internal combustion engine with adjustable compression ratio, comprising an internal combustion engine shell, wherein an active groove is provided at a position near the top of the internal casing of the internal combustion engine, an air inlet is provided at a position near the left rear on the inner surface of the active groove, an air outlet is provided at a position near the right rear on the inner surface of the active groove, an air inlet pipe is embedded and fixedly connected to the left outer surface of the internal combustion engine shell, and the air inlet pipe is interconnected with the air inlet. The device structure can not only more conveniently adjust the compression ratio of the internal combustion engine, so that the internal combustion engine can work normally within a suitable range of compression ratio, greatly improving the thermal efficiency of the internal combustion engine, but also can automatically filter, clean and collect carbon deposits and smoke generated by the internal combustion engine, so as to prevent smoke from accumulating in the outlet pipe and causing the exhaust pipe to be blocked, thereby greatly reducing the discharge of harmful gases and reducing damage to the environment.
Owner:GUIZHOU ENZE NEW CHENG ENERGY SERVICE CO LTD
A methanol engine range-extended mine truck thermal management system and method
The application relates to the technical field of heat management of range-extended mine trucks, in particular to a methanol engine range-extended mine truck heat management system and method. The system controls water pumps, methanol heaters, electromagnetic valves and other components through a methanol engine ECU, and integrates three core working modes: in the cold start preheating mode, the cooling liquid is heated and the engine and methanol fuel are preheated synchronously; in the methanol temperature maintaining mode, the methanol temperature is intelligently maintained through a heat exchange device by using engine waste heat to prevent knocking; and in the parking heating mode, an independent circulating loop is constructed to efficiently heat the cab. The system solves the problems of the prior art system, such as disintegration, complex structure, high cost and low energy efficiency.
Owner:SINO TRUK JINAN POWER CO LTD
A hydrogen and diesel dual-fuel generator set
ActiveCN112696264BSufficient supplyincrease profitElectrical controlInternal combustion piston enginesThermodynamicsControl system
The present invention discloses a hydrogen and diesel dual-fuel generator set, including a chassis, an engine is arranged on the chassis, the engine is connected with a radiator and a brushless generator, a control box is arranged on the brushless generator, the engine includes a diesel feed system, a hydrogen intake system, an air intake system, an exhaust system and a control system, the hydrogen intake system and the air intake system are connected with the cylinder intake port of the engine, and the exhaust system is connected with the exhaust port of the cylinder of the engine. Hydrogen is used to effectively replace diesel fuel, reduce pollution, ensure sufficient fuel supply, and provide a new option for industrial power energy utilization. At the same time, due to the fast combustion speed of hydrogen, the mixed diesel fuel is more fully burned, the fuel utilization rate is improved, and carbon deposition is reduced. By setting a hydrogen intake rail, an embedded hydrogen injection pipe, a hydrogen electronically controlled injection valve and realizing direct injection of hydrogen into the cylinder, the hydrogen intake amount is automatically controlled.
Owner:SHANDONG PULIDA NEW ENERGY TECH CO LTD
Method for stopping blast furnace and lowering material surface of blast furnace
ActiveCN121249997Beasy to cleanAvoid knockingBell-and-hopper arrangementNitrogen gasComponents of crude oil
The present application belongs to the field of metallurgy, and particularly relates to a method for stopping blast furnace and lowering material surface, comprising the following contents: (1) adjusting the furnace operation before stopping; (2) adjusting the stopping material and optimizing the material distribution matrix; (3) pre-turbine, replacing the tuyere small sleeve and controlling the furnace top temperature; (4) stopping and lowering the material surface: 1. increasing the ratio of top pressure and hot blast pressure: the ratio of top pressure and hot blast pressure is increased to 0.68-0.75; 2. taking different degrees of control on the top temperature when the material surface is at different positions of the blast furnace: (1) when the material surface is above 1 / 2 of the bosh, the top temperature is controlled at 320-350 DEG C; (2) when the material surface is below 1 / 2 of the bosh, the top temperature is controlled at 280-300 DEG C; 3. spraying coal powder, oxygen enrichment, increasing and continuously maintaining the nitrogen gas injection of the tuyere after stopping the coal injection; 4. controlling the gas composition; 5. controlling the [Si] of the molten iron. The method can avoid the blast furnace explosion in the process of stopping and lowering the material surface, prolong the coal gas recovery time, shorten the time of stopping and lowering the material surface, save the coke consumption and reduce the cost.
Owner:山西建龙实业有限公司
A blast condenser with intelligent real-time adaptive control and its use method
ActiveCN119022515BGuaranteed condensation effectGuaranteed condensation efficiencyTransportation and packagingEvaporators/condensersControl theoryMechanical engineering
The invention discloses a blast-type condenser with intelligent real-time adaptive control and a method for using the condenser, and belongs to the technical field of condensers. The blast-type condenser with intelligent real-time adaptive control comprises a condenser body arranged on a mounting frame, an axial flow fan is arranged on the top of the condenser body, and further comprises: a filter screen, which is mounted on the side wall of the condenser body by bolts; a cleaning mechanism, which is arranged on the outside of the filter screen and is used to clean impurities on the filter screen; and a displacement mechanism, which is arranged on the mounting frame and is used to drive the cleaning mechanism to move; wherein the cleaning mechanism comprises a dust collecting shell, a cleaning component arranged in the dust collecting shell and used to sweep impurities on the outside of the filter screen, and a dust reduction component arranged in the dust collecting shell and used to reduce dust; the invention can clean the filter screen on the outside of the condenser without stopping the machine, so that the filter screen always maintains a good filtering and ventilation effect, thereby ensuring the condensation effect and condensation efficiency of the condenser.
Owner:ZHEJIANG JIACHENG ENERGY TECHNOLOGY CO LTD
A modular reducer assembly platform
ActiveCN119115866Bavoid skewprevent rotationWork holdersWork benchesHydraulic cylinderReduction drive
The present invention discloses a modular reducer assembly platform, including a support frame, a hydraulic cylinder for driving, an assembly clamping portion for clamping reducer parts, and a support platform for assembly; the hydraulic cylinder is fixed to the upper end of the support frame, the assembly clamping portion and the support platform are arranged in the support frame, and the two are arranged up and down, and the hydraulic cylinder is used to push the assembly clamping portion to assemble the reducer parts on the support platform. The present invention squeezes the assembly clamping portion to keep the assembly clamping portion from rotating, rotates the second clamping cover, and positions the reducer parts with multiple clamping shafts to determine the axis position to avoid offset, so that the reducer parts are in a horizontal state to avoid skewing; when the reducer parts are clamped in the assembly clamping portion, they can be operated with one hand, which is easy to operate and avoids the reducer parts being taken and placed multiple times to cause damage or dust adhesion.
Owner:ZHEJIANG SANKAI MECHANICAL & ELECTRICAL
Self-adaptive control method and system for low-carbon multi-fuel internal combustion engine based on fuel activity online identification
PendingCN121854254AGuaranteed combustion stabilityPrecise decoupling correctionInternal combustion piston enginesEngine controllersControl systemFuel type
The invention discloses a self-adaptive control method for a low-carbon multi-fuel internal combustion engine based on fuel activity online identification, which comprises the following steps of: acquiring a pressure signal in a cylinder and a crank angle signal, calculating an instantaneous apparent heat release rate, and extracting waveform topological characteristics of the heat release rate; inputting the extracted heat release rate waveform topological features into the trained fuel activity mapping model to obtain an equivalent reaction activity index of the current mixed fuel; based on the equivalent reaction activity index, dynamically interpolating in a map database or switching to a corresponding reference control strategy, determining a basic value of a control parameter under the current working condition, and performing closed-loop increment correction on the control parameter based on the deviation between the current combustion parameter and a target parameter to obtain a correction value, and performing one-cycle control by taking the sum of the basic value and the correction value as a final value of the control parameter. The invention further discloses a corresponding control system. The combustion stability of the internal combustion engine under the multi-fuel variable working condition can be ensured without knowing the specific fuel type.
Owner:JIANGSU UNIV OF SCI & TECH
A method, device and vehicle for preventing blast shock
ActiveCN121630587BAvoid knockingImprove work efficiencyElectrical controlMachines/enginesEngine efficiencyControl theory
This invention discloses an anti-knock control method, control device, and vehicle applied to an engine in a hybrid power system. The control method includes: adjusting the engine's initial demand torque change rate limit, initial torque limit, and initial speed limit to a first demand torque change rate limit, a first torque limit, and a first speed limit, respectively; acquiring the engine's knock intensity signal and knock thrust angle under normal operating conditions; determining the engine's knock risk based on the knock intensity signal and knock thrust angle; and correcting the first demand torque change rate limit, the first torque limit, and the first speed limit based on the knock risk. The anti-knock control method provided by this invention can adjust the engine's parameter usage limits in real time, using the engine to operate to the maximum extent possible and to prevent the risk of engine knock, thereby improving engine efficiency and economy.
Owner:WEICHAI POWER CO LTD
Pipe guiding device for assembling a tube bundle of a u-tube heat exchanger
The utility model discloses a kind of pipe leading device for U-shaped tube heat exchanger tube bundle assembly, including two pipe leading components of symmetrical arrangement, pipe leading component includes conical frustum and guide pipe sequentially coaxially arranged, the small mouth end of conical frustum is fixedly connected with guide pipe end, the other end of guide pipe is fixed with fixed nut, connection bolt is screwed into in fixed nut, the hexagonal head of connection bolt is connected with pull plate, the end of pull plate is provided with lifting ring, lead screw is arranged between the pull plate of two pipe leading components, two locating nuts are arranged on the lead screw between two pull plates, two locating nuts are respectively close on corresponding pull plate side surface, lifting ring between two pipe leading components is provided with pull rope. In conclusion, the utility model has the advantages that pipe threading is smooth, heat exchange tube is not damaged, and pipe threading efficiency can be improved.
Owner:YUNNAN DAWEI CHEM EQUIP MFG CO LTD
Building steel structure
Owner:JIANGSU NEW BLUE SKY STEEL STRUCTURE
Multi-link power transmission with instantaneous variable compression ratio
The multi-link power transmission device with instantaneous variable compression ratio includes a piston, the piston is connected to one end of an upper connecting rod through a piston pin, the other end of the upper connecting rod is hinged to one end of a lower connecting rod through a first hinge shaft, and the other end of the lower connecting rod is connected to a crank of a crankshaft through a crank pin, and the crankshaft is arranged on one side of the piston movement center line L. The positive effects of the present invention are: on the one hand, the thermal efficiency of the engine is improved; on the other hand, the maximum combustion pressure in the engine cylinder is limited by the variable pressure ratio seat and the elastic member, so as to prevent the pressure in the engine cylinder from exceeding the set safety pressure, so that the engine maintains a high compression ratio under low load conditions, and further improves the thermal efficiency of the engine; the variable pressure ratio seat and the elastic member instantly absorb and store the excessive pressure in the cylinder to prevent detonation in the cylinder, and actively release the stored pressure after the pressure in the cylinder drops, and convert it into kinetic energy to assist the piston to move downward, further improving the thermal efficiency of the engine.
Owner:SHANDONG BAILIQING ENERGY SAVING TECH CO LTD
Low-temperature cooling system of extended-range hybrid electric vehicle and extended-range hybrid electric vehicle
ActiveCN222610870UImprove powerReduce energy consumptionAir-treating devicesInternal combustion piston enginesWater storageThermodynamics
The utility model discloses a low-temperature cooling system of an extended-range hybrid power automobile and the extended-range hybrid power automobile, the low-temperature cooling system of the extended-range hybrid power automobile comprises an electric drive and intercooling pressurization cooling circulation loop and a generator oil cooler cooling circulation loop, and the two cooling circulation loops share one water storage pot; the generator oil cooler cooling circulation loop comprises a first electronic water pump, a generator oil cooler and a generator oil cooling radiator, a water inlet of the first electronic water pump is communicated with a water outlet of the water storage pot and a water outlet of the generator oil cooling radiator, and a water outlet of the first electronic water pump is communicated with a water inlet of the generator oil cooler. And the water outlet of the generator oil cooler is communicated with the water inlet of the generator oil cooling radiator. According to the utility model, all parts in the engine room of the hybrid power automobile can be ensured to be at proper working temperature, so that the hybrid power automobile has good dynamic property under the high-temperature condition.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
General power machine crankshaft
ActiveCN222633754UImprove transmission efficiencyreduce frictionCrankshaftsCrankshaft bearingsCrankControl theory
The utility model belongs to the technical field of power machines, and particularly relates to a general power machine crankshaft which comprises a crankshaft main journal and a flying disc, an oil injection hole is formed in the crankshaft main journal, a balance weight crank is fixedly installed at one end of the crankshaft main journal, and a connecting rod bent neck is fixedly installed on one side of the balance weight crank. And a crankshaft upper bearing bush is rotationally mounted outside the crankshaft main journal. The rolling balls are installed in the bearing in a circular array mode, friction of the crankshaft to a flying disc can be reduced, so that the transmission efficiency is improved, the side face of the balance weight crank is in a blade shape, air resistance of the balance weight crank can be reduced, crankshaft power loss is reduced, the transmission efficiency of the crankshaft is improved, and the service life of the crankshaft is prolonged. The second fixing rod penetrates through the crankshaft upper bearing and the crankshaft lower bearing, and the second fixing rod is in threaded connection with the interiors of the crankshaft upper bearing and the crankshaft lower bearing, so that the crankshaft upper bearing and the crankshaft lower bearing can be fixed through the second fixing rod.
Owner:ZHEJIANG HUIHAO MACHINERY MFG
Brake disc
The invention provides a brake disc, and relates to the technical field of brake discs. The brake disc comprises a base body and a coating, the base body comprises a main body part and a protection part, the main body part comprises a binding face and a mounting hole, the binding face is perpendicular to the main body part in the axial direction, and the mounting hole penetrates through the main body part in the axial direction; the main body part is provided with a fitting surface, the protection part protrudes from the fitting surface, the coating is fitted with the fitting surface, in the radial direction of the main body part, the coating is located on the side, facing the mounting hole, of the protection part, and in the axial direction, the coating is not higher than the protection part. In this way, the protection part can protect the edge of the coating, so that the edge of the coating is prevented from being damaged. And meanwhile, the brake disc protects the coating through the protection part, chamfers do not need to be formed on the edge of the coating, and the risk of edge breakage of the coating in the machining stage is reduced.
Owner:GUANGDONG HUITIAN AEROSPACE TECH CO LTD
A tungsten carbide boring tool
This utility model discloses a tungsten carbide boring tool, including a tool head and a quick-release mechanism. The quick-release mechanism includes an insertion rod and a quick-release sleeve. The insertion rod is fixed to the top of the tool head and inserted into the quick-release sleeve. A groove is formed on the outer wall of the insertion rod. A sliding rod is slidably provided on the outer wall of the quick-release sleeve. Multiple sets of sliding rods are provided, each with a locking block fixed at its bottom. A push block is fixedly provided at the top of each set of sliding rods. A limiting sleeve is slidably provided on the outer wall of the quick-release sleeve. By forming a groove on the outer wall of the insertion rod and cooperating with the sliding locking block on the outer wall of the quick-release sleeve, a quick locking function is achieved. At the same time, the use of polygonal positioning holes and positioning rods ensures accurate positioning and anti-rotation of the tool head installation. This structural design completely changes the traditional boring tool fixing method that relies on complex threaded connections or wedge-shaped grooves. The operator can complete the installation of the tool head with only simple insertion and rotation actions, without the need for special tools, which greatly reduces the assembly difficulty and time required.
Owner:DONGGUAN DONGJIE HARDWARE MOLD CO LTD
Method and device for operating internal combustion engine with hydrogen
PendingCN121993310AGuaranteed uptimeAvoid knockingElectrical controlFuel supply apparatusCombustion chamberInlet valve
The invention relates to a method and a device for operating an internal combustion engine (10) with hydrogen, in which hydrogen is blown directly into a combustion chamber (5) of the internal combustion engine. After an air inlet valve (6) of the internal combustion engine is closed, hydrogen is blown in in an angular range which is later than a 40-degree crankshaft angle.
Owner:ROBERT BOSCH GMBH
Land area measuring instrument
ActiveCN222560882UEasy to fixavoid clutterMechanical area measurementsMeasuring instrumentElectric machinery
The utility model discloses a land area measuring instrument which comprises a box body and a box cover, a ground nail box is fixed at the top of the front end of the box body, a box cover is hinged to the front wall of the ground nail box, the box cover is a magnetic box cover, an electric guide rail is fixed in the middle of the front end of the box body, and a lifting sliding block is arranged on the outer side of the electric guide rail. A telescopic motor is fixed to the front end of the lifting sliding block, a knocking hammer is fixed to the output end of the telescopic motor, a ruler body is arranged on the inner side of the front wall of the box body, and the box cover is installed at the top end of the box body. Compared with an existing land area measuring device, the land area measuring instrument is provided with the ground nail storage mechanism and the ground nail knocking mechanism, a flexible rule can be conveniently fixed through ground nails, convenience of the device is improved, meanwhile, the device is provided with the winding mechanism capable of achieving uniform winding, winding is more uniform, and the measuring efficiency is improved. The flexible rule can be prevented from being scattered or occupying too much space due to the fact that the flexible rule is intensively wound in a certain area.
Owner:张一峰
A bearing oil slinger dismounting tool
The utility model relates to a kind of dismounting tools for bearing oil throwing ring, including roof, the bottom of roof is equipped with oppositely arranged first vertical plate and second vertical plate, first vertical plate is equipped with first through-hole, the side of second vertical plate away from first vertical plate is equipped with cylinder, second vertical plate is equipped with the threaded hole that is aligned with first through-hole and penetrates cylinder, threaded hole is threadedly connected with screw rod, one end of screw rod facing first through-hole is connected with top rod, the other end is equipped with the two handles of symmetrical arrangement;The utility model is when dismounting to oil throwing ring, let the inside of first vertical plate contact with oil throwing ring, and let first through-hole align the one end of elastic pin, then rotate screw rod by handle, let screw rod drive top rod move to the direction close to elastic pin, top rod will eject elastic pin to the direction close to first through-hole, so that elastic pin dismounting is simple and convenient, to avoid using hard object to knock oil throwing ring, prevent causing damage to oil throwing ring, improve the service life of oil throwing ring.
Owner:GUANGDONG MAOHUAJIAN GRP
Motor rotor dismounting device
InactiveCN119420128Aachieve disassemblyEasy to disassembleManufacturing dynamo-electric machinesElectric machineControl theory
The invention relates to a motor rotor dismounting device which comprises a pushing mechanism, the pushing mechanism comprises a rotor push rod, a first sleeve, a second sleeve, a first motor and a second motor, the rotor push rod, the first sleeve and the second sleeve extend in the axial direction of a motor rotor, and one end of the rotor push rod is used for making contact with the first end of the motor rotor; the first sleeve sleeves the second sleeve and is in threaded connection with the second sleeve, a first lead screw nut pair is formed between the first sleeve and the second sleeve, the second sleeve sleeves the rotor push rod and is in threaded connection with the rotor push rod, and a second lead screw nut pair is formed between the rotor push rod and the second sleeve; the pitch of the external threads on the outer surface of the second sleeve is larger than that of the external threads on the outer surface of the rotor push rod, an output shaft of the first motor is in transmission connection with the first sleeve, an output shaft of the second motor is in transmission connection with the second sleeve, and the second motor is a self-locking motor.
Owner:GUONENG CHONGQING WANZHOU ELECTRIC POWER CO LTD
Hydraulic control system, method and excavator
ActiveCN116657679BExtended service lifeavoid vacuumingFluid-pressure actuator safetyMechanical machines/dredgersOil canControl system
The application provides a hydraulic control system, method and excavator. The hydraulic control system comprises: a first oil circuit, which is communicated with a rodless cavity of a boom cylinder; a second oil circuit, which is communicated with an oil tank; a third oil circuit, which is communicated with a rod cavity of the boom cylinder; a proportional valve, which comprises an oil inlet communicated with the first oil circuit, an oil return communicated with the second oil circuit and an oil outlet communicated with the third oil circuit; wherein the proportional valve comprises a forward proportional valve and a reverse proportional valve arranged in parallel, the oil return of the forward proportional valve is kept communicated with the oil inlet, and the oil return of the reverse proportional valve is kept communicated with the oil outlet. When the boom is lowered, the hydraulic oil flowing out of the rodless cavity can flow to the oil tank through the forward proportional valve, so that the hydraulic oil can flow more and more timely into the rod cavity through the reverse proportional valve with a larger flow area, thereby preventing the boom cylinder from being sucked or exploded, avoiding causing significant damage to the hydraulic control system and elements thereof, and prolonging the service life of the hydraulic control system.
Owner:SANY HEAVY MACHINERY
Vehicle control method, device, equipment and medium
The invention discloses a vehicle control method, device, equipment and medium in the technical field of vehicle control, and in the method, under a direct drive working condition, target driving data to be reached by vehicle driving are obtained, a gear knocking evaluation function is utilized to process the target driving data, and a target evaluation result for gear knocking degree evaluation is obtained. Whether gear knocking exists or not when the driving data of the vehicle reaches the target driving data can be accurately determined based on the target evaluation result. And if the target evaluation result indicates that gear knocking exists after the target driving data is reached, the vehicle is controlled to exit the direct-drive working condition. Therefore, on the basis of accurately judging the gear knocking degree, the vehicle is controlled to exit the direct-drive working condition, gear knocking of the vehicle in the running process is avoided, and effective control over gear knocking under the direct-drive working condition is achieved.
Owner:SAIC MOTOR
A cell culture shaking device with easy adjustment
ActiveCN120624198Bincrease contactImprove exchange efficiencyStructural engineeringMechanical engineering
The application discloses a cell culture shaking device convenient to adjust, and relates to the technical field of cell culture.The cell culture shaking device convenient to adjust comprises a shaking plate, the shaking plate is obliquely arranged in a shell, a plurality of holes are formed in the surface of the shaking plate, a limiting assembly is fixedly connected to the inner side surface of the shaking plate, a driving assembly is fixedly connected to the bottom of the inner side surface of the shell, the side of the driving assembly close to an end cover is in surface spline connection with the limiting assembly, and a clamping assembly is fixedly connected to the inner wall of the hole of the shaking plate.Because the shaking plate is obliquely arranged, the culture bottle not only generates horizontal circular motion in the rotating process, but also generates up-down displacement along the inclined surface of the shaking plate.In the process of revolving around the driving assembly once, the culture bottle will experience a complete rising and falling process, three-dimensional composite oscillation effect is formed, the culture medium and the culture bottle generate complex relative movement, cell and nutrient substance contact can be more efficiently promoted, and gas exchange efficiency is enhanced.
Owner:JIANGSU HUAXIN ZHIXUAN BIOTECHNOLOGY CO LTD
Filter cloth clamping structure with dismounting protection function
ActiveCN224220941URealize embedded installationAvoid knockingGravity filtersStationary filtering element filtersClassical mechanicsStructural engineering
The utility model relates to the technical field of filter cloth mounting structures, in particular to a filter cloth clamping structure with disassembly and assembly protection. Comprising a vertical rod and elastic clamping heads arranged at the two ends of the vertical rod, a tension structure capable of elastically deforming is arranged in the center of the vertical rod, the upper elastic clamping head is rotationally connected with the vertical rod, a limiting piece is arranged between the elastic clamping head and the vertical rod, and the elastic clamping head and the vertical rod are fixed only in the vertical position through the limiting piece. The filter cloth is pressed by elastic tension generated when the vertical rod and the tension structure are pressed, so that the filter cloth is embedded. And during disassembly, the position of the limiting piece between the upper elastic clamping head and the upper end of the vertical rod is adjusted, the upper elastic clamping head is stressed and relatively rotates, so that the elastic force of elastic deformation of the vertical rod is counteracted, the situation that the vertical rod is elastically cracked to knock a person is avoided, and the disassembly safety is improved.
Owner:CHINA NATIONAL NUCLEAR CORP NANZHAO COUNTY NEW ENERGY CO LTD
Clamping and positioning structure for fire extinguisher storage device
ActiveCN222517626Uprevent dumpingEasy to take outFire rescueFire extinguisherReliability engineering
The utility model relates to the technical field of fire extinguisher storage devices, in particular to a clamping and positioning structure for a fire extinguisher storage device. The technical problems that an existing fire extinguisher cabinet is simple in structure, only can store a fire extinguisher, and cannot clamp and position the fire extinguisher stored in the fire extinguisher cabinet, so that the fire extinguisher in the fire extinguisher cabinet is prone to toppling due to external force; according to the technical scheme, the clamping and positioning structure for the fire extinguisher storage device comprises a box body, a clamping assembly, a locking assembly, a protection assembly, a shielding assembly and a moving assembly; compared with an existing fire extinguisher cabinet, the fire extinguisher cabinet is simple in structure, only can provide a storage function, and cannot clamp and position a fire extinguisher stored in the fire extinguisher cabinet, so that the fire extinguisher in the fire extinguisher cabinet is prone to toppling due to external force; according to the fire extinguisher storage device, the stored fire extinguisher is clamped and positioned by arranging the clamping structure which is convenient to unfasten, the fire extinguisher is prevented from toppling over in the device during daily storage, and when a fire occurs, the clamping structure can be opened through simple actions, so that the fire extinguisher is convenient to take out.
Owner:TIANJIN PORT ELECTRIC POWER
Sunflower threshing device
PendingCN121844852Aprevent fallingavoid knockingThreshersAgricultural engineeringStructural engineering
The sunflower threshing device comprises a machine shell, and a feeding opening is formed in the upper end of the machine shell; a conveying assembly is arranged above the machine shell and used for conveying sunflowers into the machine shell. Two extrusion plates are slidably arranged in the machine shell, threshing plates are rotatably arranged on the extrusion plates and used for threshing sunflowers, a baffle is horizontally slidably arranged in the machine shell, and the baffle is located between the two threshing plates and used for preventing the sunflowers from falling off; according to the sunflower threshing device, after sunflowers fall into the machine shell through conveying of the conveying assembly, the sunflowers are located between the two threshing plates, the baffles can prevent the sunflowers from continuously falling, and then the two extrusion plates move towards the sides close to each other till the sunflowers are clamped by the two threshing plates and the baffles slide to one sides of the threshing plates; after the threshing plate rotates, sunflower seeds can be threshed, so that the sunflower seeds fall to the lower part of the shell, and sunflower seed threshing is completed; and by adopting a rotary threshing mode, beating of the sunflower seeds can be avoided, so that the effect of protecting the sunflower seeds is achieved, and the quality of the sunflower seeds is improved.
Owner:SHIJIAZHUANG JINJIAN MACHINERY EQUIP MFG CO LTD
Ductile iron casting equipment capable of removing bubbles
ActiveCN119057048BImprove stabilityreduce solubilityMolten metal conveying equipmentsElectric machineDuctile iron
The invention discloses a ductile iron casting device capable of removing bubbles, and relates to the technical field of ductile iron casting. The device comprises a base and a mounting plate, and further comprises: a casting bucket, which is rotatably connected between two lifting plates, a rotating motor is fixedly mounted on one side of one lifting plate, and an output end of the rotating motor passes through the lifting plate and is fixedly connected to the casting bucket, and a defoaming component is symmetrically arranged above the base; the defoaming components are symmetrically arranged above the base, so that the ductile iron can be cooled during casting, the gas solubility in the molten metal can be reduced, thereby promoting the gas to precipitate and be discharged from the molten metal, and the mold can be knocked during cooling to cause the mold to vibrate slightly, and the vibration can change the pressure distribution inside the molten iron, so that the gas can be released more easily from the molten metal, so that the ductile iron can be defoamed during casting to avoid affecting the production quality of the ductile iron.
Owner:JINCHENG JIAXIN CASTING CO LTD
Surveying instrument storage box
ActiveCN222432896Ueasy to replaceeasy to addCastorsContainers to prevent mechanical damageSurvey instrumentClassical mechanics
Owner:JINING HANZHIHENG SURVEYING & MAPPING CO LTD