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124results about How to "Improve impact performance" patented technology

Anti-clogging reactor for the resource recovery and preparation of ammonium sulfate from high-concentration ammonia-containing waste gas.

This utility model relates to an anti-clogging reactor for the resource recovery and preparation of ammonium sulfate from high-concentration ammonia-containing waste gas. The reactor body includes an absorption zone and a crystallization zone from top to bottom, with the crystallization zone and the absorption zone connected. The absorption zone is located above the liquid surface, and the crystallization zone is located below the liquid surface. The top of the absorption zone has a tail gas outlet, and the bottom of the crystallization zone has a crystal slurry outlet. An external Venturi reaction zone is located below the absorption zone of the reactor body, connected to the reactor body. The Venturi reaction zone has an inlet for the ammonia-containing waste gas and an inlet for the circulating absorbent liquid. The external Venturi reaction zone forms a primary absorption, reducing the intensity of the absorption reaction within the reactor and significantly improving the anti-clogging capability.
Owner:JIANGSU DEYITONG ENVIRONMENTAL PROTECTION TECH CO LTD +1

Quick connecting device for automobile wire harness

ActiveCN224191358UEliminate magnet dependence issuesAvoid the risk of connection failureCoupling device detailsElectric/fluid circuitStructural engineeringMechanical engineering
The utility model relates to the technical field of automobile wire harness connection, and provides an automobile wire harness rapid connection device which comprises a wire harness connection female end, a side cover fixedly connected to the side face of the wire harness connection female end, an annular groove formed in the front face of the side cover, and a wire harness connection child end arranged on the upper portion of the wire harness connection female end and capable of being connected with the wire harness connection female end in an assembled mode. The wire harness connecting female end and the side cover are provided with a screwing assembly, and the inner wall of the wire harness connecting female end is annularly provided with a mortise lock assembly which can be pushed inwards under the rotation of the screwing assembly so as to complete the insertion and locking of the wire harness connecting sub-end at the wire harness connecting female end. The outer side of the screwing assembly is further provided with an elastic self-locking assembly capable of completing elastic releasing self-locking at the annular groove after the wire harness connecting sub-end is inserted and locked at the wire harness connecting female end. According to the design, mechanical locking is adopted to replace magnetic attraction connection, and a dual-self-locking mechanism design is matched, so that the situation that the wiring harness terminal is loosened under vibration or external force is avoided.
Owner:NANTONG HUIFENGCHUANG INTELLIGENT SOURCE TECHNOLOGY CO LTD

A high-temperature resistant structural glass material, its preparation method and application

PendingCN122079480AIncreased softening point temperatureAppropriate coefficient of expansionGlass shaping apparatusBundled fibre light guideAluminium hydroxideCerium(IV) oxide
This invention belongs to the field of glass technology and relates to a high-temperature resistant structural glass material, its preparation method, and its applications. The glass is composed of the following components by mass percentage: 60%-70% silicon dioxide, 5.5%-11% boric acid, 0.1%-5% aluminum hydroxide, 0%-3% potassium nitrate, 5.5%-13% potassium carbonate, 0%-12% sodium carbonate, 0.1%-4% calcium carbonate, 0%-2% calcium fluoride, 0%-1% lithium carbonate, 0%-2% basic magnesium carbonate, 0.1%-1% titanium dioxide, 0%-2% zirconium dioxide, and 0%-1% cerium dioxide; the total mass percentage of potassium nitrate, potassium carbonate, sodium carbonate, and lithium carbonate does not exceed 22%. This structural glass possesses a high softening temperature, a suitable coefficient of thermal expansion, high-temperature resistance, thermal shock resistance, and processing performance, making it suitable as a structural material for optoelectronic devices.
Owner:CNBM PHOTONICS TECH CO LTD

Contact material, preparation method and contact state monitoring method

The invention relates to the technical field of contact materials for high-voltage electrical equipment, and particularly discloses a contact material, a preparation method and a contact state monitoring method. The contact material includes a base material; the surface of the substrate material is combined with a porous HEAs framework, and the porous HEAs framework is provided with through holes perpendicular to the substrate material; the through holes are filled with phase change alloy, and the melting point of the phase change alloy is smaller than or equal to 200 DEG C. An integrated double-layer structure is adopted, a substrate material with excellent static electrical performance is combined with a porous HEAs framework-phase change alloy composite surface layer with dynamic response characteristics and self-adjusting performance, the contact material is endowed with the electric arc energy active dissipation, erosion self-inhibition and surface self-repairing capacity, and through doping modification of rare earth elements, the contact material can be subjected to surface self-repairing, so that the service life of the contact material is prolonged, and the service life of the contact material is prolonged. Consumption monitoring of the contact material in the working state is achieved, and the technical bottleneck that an existing contact material lacks active protection, self-adaptive repairing and state monitoring is solved.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD

Production method of high-toughness and wear-resistant hard alloy

PendingCN121951294Areduce wearImprove residue distributionThread cutting machinesTemperature controlHard metal
The invention relates to the field of hard alloy product production, in particular to a production method of a high-toughness and wear-resistant hard alloy. A production method of a high-toughness and wear-resistant hard alloy comprises the following steps that S1, raw materials including, by mass, 40%-45% of WC powder, 25%-35% of Fe powder, 3%-5% of Si powder, 0.95%-1.16% of C powder, 2.5%-3.2% of Ni powder, 9%-12% of Co powder, 1.75%-2.05% of Mo powder and 0.15%-0.3% of VC powder are taken, and the purities of all the powder components are all larger than 99%; s2, mixing the raw material powder in the step S1 with a ball milling medium according to a ratio, and mixing by adopting a wet ball milling process; s3, drying the slurry, and sieving to prepare granules; s4, pressing the granules into a hard alloy blank; s5, the hard alloy blank is sintered in a vacuum or low-pressure sintering furnace, and the sintering temperature is controlled to be 1180-1250 DEG C; and S6, after sintering is completed, a sintered body is cooled, precision machining is conducted according to requirements, and a product is obtained. The high toughness and wear resistance of the hard alloy material are remarkably improved.
Owner:ZHEJIANG HENGCHENG CEMENTED CARBIDE CO LTD

Brush assembly and photovoltaic cleaning robot

The utility model provides a brush assembly and a photovoltaic cleaning robot. The brush assembly comprises a robot body, a camera and a plurality of brushes. The robot body is provided with a bottom plate, and a gap is formed between the bottom plate and the external photovoltaic surface. The camera is mounted on the bottom plate, and the camera shooting end of the camera is used for downwards shooting the photovoltaic surface; the plurality of brushes are mounted on the same bottom plate and arranged on the peripheral side of the camera, each brush comprises a mounting part and a brush part, and the mounting part is detachably mounted on the bottom plate; the brush part extends downwards from the mounting part, and the lower end of the brush part is close to the photovoltaic surface and is used for preventing foreign matters on the photovoltaic surface from getting close to the camera; the plurality of brush parts are arranged in the annular direction or the square direction to form an outer side protection area of the camera, so that the periphery of the camera is protected, the plurality of brush parts can conveniently prevent external foreign matters from impacting the camera, the camera is prevented from being damaged, and the use performance of the camera of the photovoltaic cleaning robot is ensured.
Owner:SHENZHEN XIAOWAN INTELLIGENT CO LTD

IE-grade K3-class radiation-resistant power cable

The utility model belongs to the technical field of power cables, and particularly relates to an IE-grade K3-class radiation-resistant power cable, which comprises a protective sleeve, ventilation and heat dissipation ports arranged at equal intervals are arranged on the outer surface of the protective sleeve, a connecting sleeve is arranged in the protective sleeve, a power cable is arranged on the inner wall of the connecting sleeve, and two groups of support rings are fixedly connected to the outer surface of the connecting sleeve. The side faces, close to each other, of each set of supporting rings are fixedly connected with supporting plates arranged at equal intervals, the side face, away from the connecting sleeve, of each supporting plate is fixedly connected with two sets of telescopic springs, and the ends, away from each other, of each set of telescopic springs are fixedly connected with connecting plates. Particularly, an elastic buffering system composed of a supporting ring, a supporting plate, a telescopic spring and a connecting plate can convert mechanical impact into spring deformation energy, the external force resisting performance is greatly improved, and meanwhile an efficient heat dissipation path can be formed by matching equidistant ventilation heat dissipation openings in the surface of the protective sleeve with an air channel between the protective sleeve and a connecting sleeve.
Owner:ANHUI GUODIAN CABLE CO LTD

Plating film for metal sintering bonding, method for producing same, and semiconductor mounting substrate

Provided is a plated film which has excellent heat resistance and thermal shock resistance and is suitable for metal sintering bonding. The plating film for metal sintering bonding is characterized in that the plating film for metal sintering bonding has (A) an electroless nickel-phosphorus plating film, and the phosphorus content of the (A) electroless nickel-phosphorus plating film is 4 mass% or less when the electroless nickel-phosphorus plating film is taken as 100 mass%.
Owner:OKUNO CHEM IND CO LTD +1

High performance silicone fuel tube

ActiveCN224397419UPrecise dockingEnhanced resistance to axial tensionMachines/enginesLiquid fuel feedersButt jointSilica gel
The utility model discloses a high -performance silica gel fuel pipe, including large diameter pipe and small pipe, the outer wall of large diameter pipe is provided with first flange joint, the one end of small pipe is integrated with the second flange joint of first flange joint's adaptation, limiting component is used for preventing the dislocation of first flange joint and second flange joint in the connecting process, prevent the component of falling off, for limiting the axial separation of first flange joint and second flange joint, the utility model limiting component guarantees first flange joint and second flange joint accurate butt joint, make sealing surface close fitting, effectively promote the sealing performance, prevent medium leakage, prevent the component of falling off and locking component cooperation, form double protection, significantly enhance the axial tension resistance and the anti -external force impact ability of large diameter pipe and small pipe connection, avoid accidental uncoupling, the locking of locking component to prevent the component of falling off, ensure that the whole connecting structure keeps stable under complex working condition.
Owner:LINHAI HAIHUA RUBBER & PLASTIC CO LTD

Toughening modified flame-retardant epoxy resin composition, prepreg and preparation method thereof

The invention discloses a toughened modified flame-retardant epoxy resin composition which is prepared by the following steps: S11, performing thermal reaction on 50-90 parts by weight of flame-retardant epoxy resin, 5-20 parts by weight of an epoxy diluent and 10-25 parts by weight of a toughening agent under the action of 0.01-0.5 part by weight of a catalyst to prepare toughened modified flame-retardant epoxy resin A; s12, heating and mixing 0-5 parts of an auxiliary agent, 10-40 parts of a flame retardant, 3-15 parts of a pigment and the toughened modified flame-retardant epoxy resin A, and then adding a chain extender for thermal reaction copolymerization to obtain toughened modified flame-retardant epoxy resin B; s13, mixing 1-10 parts of a latent curing agent and 1-6 parts of an accelerant with the toughening modified flame-retardant epoxy resin B to prepare a toughening modified flame-retardant epoxy resin composition; a composite material product prepared from the toughened modified flame-retardant epoxy resin composition and a fiber reinforcement can meet airworthiness standard requirements such as BMS8-2 Class3 Grade A TYPE 45 and the like, and is suitable for manufacturing of aircraft cargo hold wallboards.
Owner:JIANGSU HENGRUI AEROSPACE INDUSTRY CO LTD

High-temperature high-power hybrid integrated device and packaging method thereof

The application discloses a high-temperature high-power hybrid integrated device and a packaging method thereof, and belongs to the technical field of integrated circuits. The device comprises a circuit module (1) and a heat storage unit box body (2) provided with an inner cavity. A recess (21) is arranged on the surface of the heat storage unit box body (2), the circuit module (1) is fixedly connected in the recess (21), the circuit module (1) is in contact with the heat storage unit box body (2) to form heat conduction, a first filling body (3) composed of phase change heat storage materials is arranged in the heat storage unit box body (2), and a heat insulation layer (6) is arranged on the outer surface of the heat storage unit box body (2). The application effectively improves the heat dissipation capacity and high-temperature resistance of the circuit module, simultaneously reduces the temperature of internal components of the circuit, enables the circuit to normally work in the case that components and materials with a rated working temperature lower than an ambient temperature are adopted, and avoids the adoption of valuable high-temperature components and materials, so that the economic cost of the circuit module is reduced as a whole.
Owner:EAST CHINA INST OF OPTOELECTRONICS INTEGRATEDDEVICE

Child scooter capable of reducing impact

The utility model discloses a child scooter capable of reducing impact. The child scooter comprises a main frame, a left support in damping connection with the inner side of the left end of the main frame, a right support fixedly connected with the outer side of the right end of the main frame, hubs and tires, wherein the hubs and the tires are arranged in the left support and the right support. Tensioning structures used for hubs are arranged in the left support and the right support, a supporting anti-falling structure is arranged on the rear side of the left end of the right support, a locked direction adjusting handrail is installed on the inner side of the upper end of the left support in a nested mode, and rubber sleeves fixedly pasted to the direction adjusting handrail are arranged on the outer sides of the front end and the rear end of the direction adjusting handrail in a nested mode. A locked bearing rod is arranged on the inner side of the upper right end of the main frame in a nested mode, and a cushion is fixedly installed on the bearing rod. According to the child scooter capable of reducing the impact, the hub can be conveniently tensioned, the impact of the child scooter is reduced, damping can be conveniently conducted on the buttocks of a child in the using process, the comfort degree of the child is high, the child scooter can be conveniently supported and prevented from falling down, and collision damage and the occupied area are reduced.
Owner:PINGGUAN (HANGZHOU) CHILDRENS PROD CO LTD

Interferenzdetektion und grobe parameterschätzung unter verwendung von gelernten und abgeleiteten grundlinieninformationen

UndeterminedAT1932084Treduce or eliminate impactEasy to detect
Improved techniques for estimating parameters of a jamming signal. An input signal is identified. This input signal is suspected of being a jammed composite signal. Attributes of a reference signal are determined. The reference signal is an expected signal that was expected to be received. A form fitting operation is performed in which the reference signal is formed fitted with the input signal. The reference signal is subtracted from the input signal to generate an isolated output signal. A suspected portion of the isolated output signal is identified. An estimated symbol rate and an estimated center frequency for the jamming signal are determined based on the suspected portion. The estimated symbol rate and the estimated center frequency are used to facilitate a subsequent mitigation operation of eliminating or reducing an impact of the jamming signal against the signal of interest.
Owner:L3HARRIS TECH INC

Data transmission direct connection structure and method allowing equipment displacement

The invention provides a data transmission direct connection structure and method allowing equipment displacement. The structure comprises a connecting interface; when the connection interface is in a connection state with external equipment, the connection interface is used as an electrical connection node capable of generating controlled displacement relative to the external equipment; the controlled displacement is realized through a mechanical structure of the connecting interface, and the mechanical structure can generate relative displacement under the action of stress, so that external force is preferentially converted into displacement of the connecting interface instead of stress concentration of an electrical contact surface. According to the application, the connection interface realizes controlled displacement through a mechanical structure of the connection interface, assistance of an external flexible cable or a suspension wire is not needed, the overall connection structure can be simplified, the interface integration level and the structural stability are improved, external force can be preferentially converted into relative displacement of the connection interface, the stress of an electrical contact surface is uniformly distributed, and the stability of the electrical contact surface is improved. Electrical connection reliability is guaranteed, the service life of the connection interface is prolonged, and the external force impact resistance of the connection interface is enhanced.
Owner:QUZHOU JICASE TECHNOLOGY CO LTD

Pole piece stripping device

The invention relates to a pole piece stripping device which is used for stripping an active material on the surface of a current collector, the pole piece stripping device comprises a rack, a conveying mechanism, a recovery tank and a spraying mechanism, the conveying mechanism is arranged on the rack, the conveying mechanism comprises a first mounting assembly, a second mounting assembly, a first grid belt and a second grid belt, the first grid belt is wound on the outer side of the first mounting assembly, the second grid belt is wound on the outer side of the second mounting assembly, at least parts of the first grid belt and the second grid belt are oppositely arranged, and the first grid belt and the second grid belt are matched and used for clamping a pole piece; a first fluid is arranged in the recovery tank, the first grid belt and the second grid belt are at least partially immersed in the first fluid, and the first fluid is used for heating the pole piece; the spraying mechanism is arranged on the rack and used for spraying second fluid towards the pole piece.
Owner:XIAMEN HITHIUM NEW MATERIAL TECH CO LTD +1

High-voltage direct-current relay

PendingCN122000241Aavoid damageEffective buffering of kinetic energyElectromagnetic relay detailsControl theoryElectrical current
The invention relates to a high-voltage direct-current relay. The high-voltage direct-current relay comprises a static contact and a movable assembly, and the static contact is provided with a static contact point. The movable assembly comprises a movable spring mechanism, a pushing mechanism, an elastic element and a fastener, the movable spring mechanism is provided with a movable contact opposite to the static contact, the movable spring mechanism is elastically matched with the pushing mechanism through the elastic element, the movable spring mechanism can move in the direction close to the pushing mechanism to extrude the elastic element, and the movable spring mechanism comprises a movable reed and a lower armature; and the fastener penetrates through the lower armature and is connected with the movable contact spring so as to fix the lower armature on the movable contact spring, and the fastener protrudes out of one side, facing the pushing mechanism, of the movable spring mechanism and is used for abutting against the pushing mechanism on a moving path, far away from the static contact, of the movable spring mechanism when the movable spring mechanism is bounced off relative to the static contact due to short-circuit current. The high-voltage direct-current relay has the advantages of being small in size, low in cost and high in short-circuit current and voltage resistance.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD

A wheel spindle turning machine and a method of turning an automotive wheel spindle

The application relates to the technical field of automobile axle turning processing, and discloses an axle turning machine tool and an automobile axle turning method, which comprise a rack, and parallel guide rails are arranged above the rack; a tool holder assembly, a storage mechanism, a feeding mechanism and a tailstock are arranged on the parallel guide rails; the storage mechanism is located on the opposite side of the tool holder assembly, the feeding mechanism is arranged opposite to the storage mechanism, the storage mechanism comprises a limiting block, a storage channel and a control linkage end, the limiting block is slidingly arranged in the bottom of the inner cavity of the storage channel, the control linkage end is located in the bottom of the limiting block, and the feeding mechanism comprises a feeding sliding table, a moving table and a carrier seat. The axle turning machine tool has the advantages that the axle does not need to be manually placed between the rack and the tailstock during axle turning processing, and the axle needs to be calibrated to realize automatic feeding of the same type of axle; only the first axle of the same type of axle in the batch needs to be calibrated to move the position of the moving table, and the axle can be automatically turned without multiple calibrations.
Owner:JIANGSU XINGHUO AUTOMOTIVE PARTS MFG CO LTD

A new energy vehicle water-cooling radiator detection tool

ActiveCN121230975BGood single detection resultprevent air leakageThermodynamicsNew energy
The present application belongs to the technical field of detection device, and specifically relates to a new energy automobile water-cooled radiator detection tool, which comprises a fixing box, a heat dissipation box, a pressurizing component, and a soundprint detection component. The heat dissipation box is symmetrically arranged in the clamping groove of the fixing box and has a number of two. The pressurizing component is arranged at the lower part of the heat dissipation box and is used for pressurizing nitrogen gas in the heat dissipation box. If the heat dissipation box has a gas leakage problem when ventilating, the soundprint detection component in the fixing box can judge the air tightness of the heat dissipation box by judging whether there is a gas leakage sound. Then, the heat dissipation box is pressurized with a certain amount of nitrogen gas, and the through port is sealed and connected, so as to judge whether the internal pressure of the heat dissipation box can be kept constant for a long time, detect the continuous sealing capacity of the heat dissipation box, simulate the air tightness of the heat dissipation box under actual working conditions through the above two detection methods, avoid the phenomenon that the heat dissipation box has good single detection effect when being delivered but has gas leakage after being used for many times, and timely screen out the heat dissipation boxes with poor quality.
Owner:WUXI JIAHUIBO PRECISION MASCH CO LTD

Injection mold for a robot sweeper

The utility model relates to a floor sweeping robot injection mould processing technical field especially, a kind of floor sweeping robot processing injection mould, including lower fixed plate and upper fixed plate, the upper end of lower fixed plate is equipped with two die feet, the upper end of die foot is provided with lower mould, the lower end of upper fixed plate is connected with upper mould, the end corresponding to the upper mould and lower mould is embedded, the middle part of lower mould is provided with die groove, the lower end of lower mould is equidistantly provided with bottom groove, the inner chamber top of bottom groove is provided with top groove, the inner chamber of bottom groove is provided with stripping mechanism, the top of stripping mechanism is penetrated top groove and is inserted with die groove, compared with prior art, the structure design of the utility model is reasonable, and effectively improve the effect of stripping, avoid the traditional needle ejecting product to cause because needle and product's contact area is small and lead to damage to product when ejecting.
Owner:KUNSHAN ZEYUHONG ELECTRONIC TECHNOLOGY CO LTD

A thick-film high-manganese steel corrugated sheet for polar LNG ships, its manufacturing method and its application

This invention discloses a thick-film high-manganese steel corrugated plate for polar LNG ships, its manufacturing method, and its application, belonging to the field of marine technology. The corrugated plate is made of high-manganese steel plate with a manganese content of 22-25 wt%. The high-manganese steel plate substrate has a first protrusion arranged uniformly and parallel along a first direction and a second protrusion arranged uniformly and parallel along a second direction perpendicular to the first direction. A quadruple rotationally symmetrical star-shaped node is pressed at the position where the first and second protrusions intersect perpendicularly. The quadruple rotationally symmetrical star-shaped node includes a surface opening and a recessed bottom surface. Both the surface opening and the recessed bottom surface have a four-lobed symmetrical profile, composed of two alternating arcs with different radii of curvature. The width between the symmetrical lobes of the surface opening is greater than the width between the symmetrical lobes of the recessed bottom surface. This corrugated plate uses an integrated arc transition, which makes it easier for stress to diffuse evenly throughout the entire node area. Results show that the peak stress at the intersection is reduced by more than 35%.
Owner:HARBIN ENG UNIV

A shredder

The utility model relates to a technical field of a pulverizer, concretely is a kind of pulverizer, including box, the bottom of box is fixedly connected with discharge shell;The side wall of box is fixedly installed with first servo motor, the transmission shaft of first servo motor is movably penetrated through box and is fixedly connected with pulverizing shaft, the outer wall of pulverizing shaft is fixedly connected with multiple equally distributed pulverizing blades, pulverizing shaft movably penetrates through box and is fixedly connected with the shaft, the outer end of the shaft is inserted in fixed shell inner chamber, and the outer wall of the shaft is fixedly sleeved with fan blade.The utility model can drive fan blade rotation in the process of first servo motor driving pulverizing shaft rotation, thereby can realize air blowing, then the wind power is guided to the air distribution pipe, then the hole at the bottom of air distribution pipe is guided to pulverizing blade and discharge passage, thereby can assist discharge, simultaneously, it is favorable to reduce the adhesion of material on pulverizing blade, and then it is favorable to improve pulverizing effect.
Owner:SICHUAN JINGYAN COUNTY FEIYA MASCH MFG CO LTD

A luminous window frame

This utility model relates to the field of window frame technology, and in particular to a luminous window frame, comprising a window frame body, a photovoltaic panel installed on the peripheral sidewall of the window frame body, a battery drive box installed inside the window frame body, and two right-angle lamps respectively installed at the two bottom corners of the inner cavity of the window frame body. The photovoltaic panel is electrically connected to the battery drive box, and the two right-angle lamps are also electrically connected to the battery drive box. The light emitted by the two right-angle lamps crosswise illuminates two opposite sides of the inner cavity of the window frame body. This utility model has a simple structure and low cost. By combining photovoltaic power generation and lighting decoration on the window frame, the window frame has a novel structure and good decorative effect, which helps to enhance visual impact and visual enjoyment, thereby improving the grade of the window frame. Moreover, photovoltaic power generation is energy-saving and environmentally friendly.
Owner:LUMENHUB LIGHTING CO LTD

Driving system for high-pressure hose roller

ActiveCN224185634UAvoid stuck phenomenonavoid large gapsGear wheelElectric machinery
The utility model discloses a driving system for a high-pressure hose roller, which comprises a vertically arranged driving motor, a speed reducer connected to the driving motor, a pinion connected to a horizontal output shaft of the speed reducer and a large gear ring meshed with the pinion, teeth are arranged on the inner ring of the large gear ring, and the periphery of the large gear ring is fixedly connected with the roller. A high-pressure hose is wound on the roller, an eccentric disc is further arranged on the speed reducer, the inner circle of the eccentric disc is connected to the speed reducer through a plurality of mounting holes in the periphery, and the outer circle of the eccentric disc is connected to the roller base through a plurality of mounting holes in the periphery. The center of the inner circle rotates around the center of the outer circle, so that the center distance between the small gear and the large gear ring is adjusted to be within a designed range to achieve normal meshing. By arranging the eccentric disc, the center distance of the gear set can be adjusted, the assembly precision is improved, the meshing smoothness of the gear set is ensured, and the service life of equipment is prolonged.
Owner:SINOPEC OILFIELD EQUIP CORP +1

Alumina feed control apparatus

ActiveCN224605101UInstant adjustmentEasy to adjust
The utility model discloses an alumina feed control equipment is set up in the feed port of aluminium electrolytic cell, and its characterized in that includes: the tubular material channel, and the first side plate is set up to give place to the cavity, and the throttle baffle is slidably assembled in the first side plate, and through the give place to the cavity and can reciprocatingly enter the material channel inner chamber, the throttle baffle middle part is equipped with the through -hole of axial, and its through -flow cross -section area is less than the material channel nominal through -flow cross -section area, the motor is fixed in the material channel outer wall, and the output end and the throttle baffle constitute the motion transmission chain, wherein when the motor drive throttle baffle enters the working position, its board body hides the material channel flow cross section, and the material passes through the through -hole and is limited to flow. The utility model discloses a tubular material channel, throttle baffle with through -hole, motor and its motion transmission chain are set up, utilize motor drive throttle baffle and enter the working position quickly, make its board body hide the material channel flow cross section, and the material can only pass through the through -hole and is limited to flow, realized the instant, accurate regulation of alumina feed flow.
Owner:MEISHAN BOMEI QIMINGXING ALUMINUM CO LTD

Weldable metal ceramic composite pipe and preparation process thereof

The invention discloses a weldable metal ceramic composite pipe and a preparation process thereof, and relates to the technical field of pipelines, the weldable metal ceramic composite pipe comprises a steel pipe main body, the pipe wall of the steel pipe main body is axially provided with a through seam, and the seam is formed by welding after cutting; the ceramic lining layers are coaxially arranged in the steel pipe body, and each ceramic lining layer is of a cylindrical structure formed by splicing a plurality of ceramic pieces through a daub layer in an adhesive mode; the flat steel is welded to the outer pipe wall of the steel pipe body and covers the joint in the axial direction; and the hoop is arranged between the two steel pipe main bodies, and the hoop is welded to the outer pipe walls of the two steel pipe main bodies correspondingly. According to the invention, the impact resistance and thermal shock resistance of the ceramic lining are obviously improved through the design of the prestressed structure, and the problem that a traditional ceramic layer is easy to crack and peel off is effectively solved; and meanwhile, field direct fusion welding connection of the composite pipe is achieved, tedious flange installation is replaced, and the construction efficiency and the connection reliability are greatly improved.
Owner:ANHUI XINYONGSHENG MICROCRYSTALLINE MATERIALS CO LTD

Test tube racks based on contrast differentiation and their usage

This application relates to a test tube rack based on contrast differentiation and its usage method. This application utilizes a dividing device on the test tube rack to differentiate test tube placement; it employs a 180° complementary color design to increase visual impact. This test tube rack with differentiation function can help nurses quickly and effectively distinguish test tubes from different patients, as well as the blood collection area and the non-blood collection area. Furthermore, this solution uses a movable dividing device to differentiate test tube placement, abandoning a fixed test tube placement structure, allowing for flexible and varied placement. The space of the test tube rack can be used according to needs, avoiding waste of test tube rack space resources and improving test tube rack utilization.
Owner:ZHEJIANG UNIV

An underground tunnel crack repair intelligent drilling device, a mechanical arm and a method

The application provides an underground tunnel crack repairing intelligent drilling device, a mechanical arm and a method, relates to the field of underground intelligent repairing equipment, and aims to solve the problems of low intelligence degree and easy damage of a detection assembly caused by drilling impact during drilling of a crack in an underground project. A matched detection assembly is arranged on a drilling assembly, crack state parameters can be collected during drilling, and auxiliary positioning can be performed. The detection assembly is installed on a support plate through a sliding pair with a resilient piece. When vibration occurs during construction, part of the vibration can be absorbed by the resilient piece. The direction of action of the resilient piece is consistent with the drilling direction, so that the impact effect generated during drilling is improved, and the detection equipment is protected.
Owner:SHANDONG UNIV

Water environment pollution control equipment

The utility model discloses water environment pollution prevention and control equipment which comprises a treatment tank body, a flow guide pipe is fixed at the top of the treatment tank body, a stirring shaft is movably arranged in the flow guide pipe, and the stirring shaft extends into a sludge filter cartridge in the treatment tank body and is connected with a crushing blade. A scraping and stirring part is arranged on the outer side of the sludge filter cylinder, and the top end of the stirring shaft extends to the outer side of the flow guide pipe and is connected with a linkage part used for being assembled with the scraping and stirring part in a transmission mode. According to the water environment pollution control equipment provided by the utility model, the scraping and stirring part rotates to scrape and stir on the outer side of the sludge filter cylinder, so that the filter holes are effectively prevented from being blocked, and more importantly, the mechanical disturbance generated by the scraping and stirring part can be transmitted to the interior of the filter cylinder to form dynamic fluid pressure change and eddy current effect.
Owner:HUASHI (FUJIAN) ENVIRONMENTAL TECH CO LTD

Multi-directional rock-breaking vibration device

This invention relates to the field of downhole operation technology and is a multi-directional rock-breaking vibration device. It includes an exciter outer cylinder, a drive unit, an eccentric wheel, a drill bit shaft, a piston liner, and a counterweight. The drive unit, eccentric wheel, and drill bit shaft are sequentially and sequentially mounted from top to bottom inside the exciter outer cylinder. The output end of the drive unit is connected to the upper end of the eccentric wheel, and the lower end of the eccentric wheel is connected to the upper end of the drill bit shaft. The lower end of the drill bit shaft is located below the exciter outer cylinder. This invention has a reasonable and compact structure and is easy to use. The drive unit drives the eccentric wheel to rotate, generating circumferential vibration. During the rotation of the eccentric wheel, static friction is converted into dynamic friction, causing circumferential vibration of the drill bit shaft. This vibration of the drill bit shaft causes the drill bit to generate circumferential impact. The counterweight and eccentric wheel respectively achieve axial and circumferential impact, completing multi-dimensional impact and assisting the drill bit in rock breaking. It features stability, reliability, and good impact effect.
Owner:CHINA NAT PETROLEUM CORP +1