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77results about How to "Timely replacement" patented technology

Nonmetal composite hydrogen conveying hose with multi-form hydrogen blocking layers

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.
Owner:JIANGSU SHUNBANG PIPE TECH CO LTD

A metal parts stamping equipment

ActiveCN224272912UTo achieve the role of positioningtimely replacementShaping toolsHydraulic cylinderScrew thread
This utility model relates to a metal parts stamping equipment in the field of stamping equipment technology. It realizes that the lower die is inserted into the corresponding slot by a locking block from the side of the stamping table, thus locking the lower die into the stamping table. Then, a limiting plate is inserted into the side of the stamping table and fixed to the stamping table threadedly by a first screw, thereby installing and positioning the lower die. At this time, a shim is inserted into the die slot and fits against its inner wall, and a pin is inserted into the corresponding screw hole. The locking plate is then locked onto the top section of the shim. A second screw is inserted into the pin and fixed to the screw hole threadedly, thereby positioning the locking plate on the pin and achieving the function of positioning the shim. Then, the nut material is placed in the shim in the die slot. The controller activates the hydraulic cylinder to drive the upper die to stamp the nut. When the die slot is severely worn after long-term high-frequency use, it can be replaced in time.
Owner:SUZHOU ANYADA ELECTRIC CO LTD

An adjustable and replaceable device for reducing vibration of rotating equipment in marine environments.

ActiveCN224453160UReduce vibration amplitudeImprove long-term safe and stable operation capabilitiesVibration amplitudeClassical mechanics
This utility model discloses an adjustable and replaceable device for reducing vibration of rotating equipment in marine environments, comprising: an outer pipe, a main shaft, and a bearing bracket. The outer pipe is coaxially arranged with the main shaft, and the bearing bracket is sleeved on the outside of the main shaft. An annular groove is provided on the inner wall of the outer pipe at a position corresponding to that of the bearing bracket. A positioning ring is detachably installed in the annular groove. An outer ring is provided on the outer edge of the bearing bracket, and the outer ring cooperates with the positioning ring. The positioning ring reduces the fitting gap, improves the overall stability of the bearing bracket and the outer pipe, and thus enhances the stability of the bearing and pump unit. It can reduce the vibration amplitude of the rotating equipment and improve the long-term safe and stable operation capability of the rotating equipment in marine environments. The addition of the 316L positioning ring simplifies on-site construction, and the positioning ring can be adjusted and replaced in a timely manner according to the subsequent vibration of the rotating equipment.
Owner:XIAMEN UNIV

A modular combination concealed shower rose assembly

ActiveCN224412699Utimely replacementquick fixModular compositionStructural engineering
The utility model belongs to shower flower drencher technical field especially a kind of concealed shower flower drencher device of modular combination, including installation panel and the ceramic tile laid on the installation panel, the front end surface of the installation panel is provided with adsorption adjusting mechanism, the adsorption adjusting mechanism includes shower support and electromagnet, the shower support realizes quick fixing with the installation panel by the electromagnetic attraction generated after the electromagnet energization, by setting installation adjusting mechanism, the relative distance of curved leg front end is adjusted, pre-buried hole is set up on installation panel, is connected with wall body interior embedded part by screw, fixed installation panel, water outlet is set up on installation panel and ceramic tile, provide the interface of cold and hot water into shower faucet, the position, size is identical, can ensure that curved leg can accurately pass through, when curved leg is installed, rotate curved leg, make the front end relative distance of two curved legs and the relative distance of shower faucet threaded connection end identical, ensure the accurate installation of shower faucet.
Owner:QUANZHOU ZHONGTENG SANITARY WARE CO LTD

A multi-layer precision filter screen support for tobacco tar filtration

ActiveCN224404676UImprove separation efficiencyAvoid accumulation and rapid clogging problemsProcess engineeringElectronic cigarette
The utility model relates to electronic cigarette smoking set accessory technical field, concretely relates to a multilayer precision filter screen support for tobacco tar filtering, the utility model provides a multilayer precision filter screen support for tobacco tar filtering, including the support main part of cylindrical, its top is equipped with the oil inlet, and the bottom is equipped with the oil outlet, the inside of support main part is successively coaxially provided with three layers filter screen units along the direction of tobacco tar flow, the mesh count of filter screen unit gradually increases along the direction of oil inlet to oil outlet, forms gradient filtering channel, the edge of filter screen unit is fixed with the inner wall of support main body through the fusion of flange and is fused, through 80-120 mesh (coarse filter) 150-200 mesh (medium efficiency) 300-500 mesh (fine filter) three -level gradient mesh count design, can intercept big, medium, small particle size impurities gradually, avoid the problem that single -layer filter screen is blocked fast because of impurity accumulation, significantly improves the impurity separation efficiency.
Owner:SHENZHEN DETENSION BIOTECHNOLOGY PTY LTD

Medical silica gel dressing fixing adhesive tape and fixing method thereof

PendingCN122075239Aquick releaseinfection controlBandagesSilicone tapeDrug release
The invention belongs to the field of medical instruments, and discloses a medical silica gel dressing fixing adhesive tape which comprises an adhesive tape body, and the adhesive tape body sequentially comprises a carrier layer, a silica gel adhesive layer and a stripping liner from outside to inside; the carrier layer is made of an elastic breathable material, and the silica gel adhesive layer is made of medical-grade organic silica gel; a plurality of first microcapsules are dispersed in the silica gel adhesive layer, the first microcapsules are drug-loaded microcapsules, and wall materials of the drug-loaded microcapsules are made of materials responding to the pH value, enzyme concentration or temperature change of a wound environment. Enzyme or ions are released after the second microcapsule is broken, the wall material of the first microcapsule is actively degraded, cascade response of'exudate increase-developing prompt-drug accelerated release 'is realized, a large amount of drugs are quickly released when the exudate appears, and infection or inflammation is effectively controlled.
Owner:SUZHOU YINGSHI POLYMER MATERIALS CO LTD

A clutch driven plate

The utility model discloses a kind of clutches driven disc, it is related to clutch driven disc technical field, including inner disc hub, outer disc hub, shock disc, pre-damping disc assembly and pre-damping spring;Shock disc includes first shock disc and second shock disc;The outside of inner disc hub is sleeved with outer disc hub, the side of outer disc hub is connected with first shock disc, the other side of outer disc hub is connected with second shock disc, rivet connection between outer disc hub and first shock disc and second shock disc;Pre-damping disc assembly includes first pre-damping disc and second pre-damping disc;The outside of second shock disc is connected with first pre-damping disc, first pre-damping disc outside is connected with second pre-damping disc, and pre-damping driven disc is connected between first pre-damping disc and second pre-damping disc;Second pre-damping disc is connected with first pre-damping disc outside and is connected with second pre-damping disc along circumferential direction Multiple first openings for installing pre-damping spring are set;The outward side of first opening is connected with the baffle that is set to the outside protruding;Baffle has the observation hole that is through inner concave surface and outer convex surface.
Owner:SHANDONG JUJIANG NEW ENERGY TECHNOLOGY CO LTD

A type of slipform tool for casting and shaping curb backrests

This utility model discloses a slipform tool for casting and shaping curb backrests, relating to the field of road engineering. It includes a support rod, one end of which is fixedly connected to a first connecting rod. A guide wheel is provided at the lower end of the first connecting rod. An adjusting frame is fixedly connected to the upper end of the support rod. An adjusting rod is provided inside the support rod, and a locking hole is opened inside the adjusting rod. A fixing rod is fixedly connected to the right end of the adjusting rod. The advantages of this utility model are: the position of the side plate can be adjusted through components such as the adjusting frame, moving block, locking post, guide block, and adjusting rod, thereby meeting different usage needs. Furthermore, compared to the original method, this method is more convenient and faster, greatly reducing the difficulty of adjustment. Components such as the rotating rod, fixing sleeve, positioning post, and stud can quickly install and remove the side plate, allowing for timely replacement when wear occurs, and improving replacement efficiency.
Owner:SCEGC NO 5 CONSTRUCTION ENGINEERING GROUP COMPANYLTD

Energy-saving ventilation equipment for buildings

The application belongs to the technical field of building ventilation, and particularly relates to a building energy-saving ventilation equipment, which comprises a sewage vertical pipe and a sewage elbow pipe, the sewage elbow pipe is communicated with the sewage vertical pipe, an elastic air bag is fixedly installed on the vertical part of the sewage elbow pipe, the elastic air bag is arranged in a ring shape, an air suction pipe is fixedly inserted into the side wall of the sewage elbow pipe and communicated with the elastic air bag, an insulation machine cylinder is fixedly inserted into the side wall of the sewage elbow pipe and communicated with the elastic air bag. The building energy-saving ventilation equipment can automatically ventilate according to the type of excrement, is beneficial to energy saving and consumption reduction, the ventilation position is located around the closestool or squatting pan, the peculiar smell generated by the excrement can be timely dissipated, the temperature change in the toilet caused by ventilation and air exchange can be effectively reduced, the excrement blockage can be assisted to be discharged, the excrement can be automatically timely flushed, and the ventilation and air exchange in the toilet can be ensured to be timely.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Foldable high water-absorption travel pet pad

ActiveCN224402529Uavoid exposureGuaranteed comfortAbsorbent PadsCompanion animal
The utility model discloses a foldable high water absorption travel pet pad belongs to travel pet pad technical field, including first soft pad and second soft pad, still include protection mechanism, the protection mechanism includes the first elastic band and second elastic band of fixed connection in the first soft pad bottom, the top of first elastic band is fixedly connected with first hair face magic tape, the bottom of second elastic band is fixedly connected with first hook face magic tape, the top of first hair face magic tape is pasted in the bottom of first hook face magic tape, and the inner wall of first soft pad is equipped with water absorption pad. Through above -mentioned mode, through first elastic band and second elastic band mutually cooperate, make first hair face magic tape stick on first hook face magic tape, and then avoid first hair face magic tape and first hook face magic tape expose outside and stick pet dog's hair, guaranteeed the comfort of pet dog using travel pet pad.
Owner:NANTONG JINCHENG ZENCARE TECHNOLOGY CO LTD

An electronic atomizer with colored lights

This utility model relates to the technical field of electronic atomizer bodies, and discloses an electronic atomizer with colored lights, including a housing, an end cap on the top of the housing, an end cap slidably connected to the outer wall of the end cap, a connecting seat fixedly connected to the top of the end cap, an inhaler head slidably connected inside the connecting seat, an LED strip wrapped around the outer wall of the housing, a battery at the bottom of the housing, and an electrical connection between the LED strip and the battery. A disassembly / assembly assembly is provided inside the connecting seat; the disassembly / assembly assembly includes a slide rod and a locking block, with the outer wall of the slide rod slidably connected inside the connecting seat. In this utility model, the LED strip is activated simultaneously with the atomizer, creating an atmospheric user experience and enhancing the product's fun factor. Furthermore, the ingenious linkage between the rotating sleeve, the arc-shaped push plate, and the slide rod greatly improves the efficiency of inhaler head disassembly and assembly, bringing great convenience to users in daily use.
Owner:DONGGUAN KELEIPENG TECH CO LTD

Anti-climb energy-absorbing devices and rail vehicles

ActiveCN118907169BReduce difficultyAvoid scratching in advanceRailway wheel guards/bumpersRailway transportStructural engineeringMechanical engineering
This application provides an anti-climb energy-absorbing device and a rail vehicle. The anti-climb energy-absorbing device includes: a mounting base; an installation space within the mounting base; a bulging seat disposed within the installation space; an arc-shaped bulging surface at the front end of the bulging seat; an energy-absorbing tube inserted into the mounting base from the front end and covering the outside of the bulging seat; an installation groove extending along the length of the energy-absorbing tube on the outer circumferential surface of the rear end of the energy-absorbing tube, extending forward from the rear end of the energy-absorbing tube to a preset stop position; and a planing blade disposed on the front end surface of the mounting base, with the planing edge of the planing blade inserted into the installation groove and located at the preset stop position of the installation groove. The anti-climb energy-absorbing device and rail vehicle provided by this application reduce the difficulty of the assembly process and are easy to install and maintain.
Owner:CRRC TANGSHAN CO LTD

A landing gear for drones that stabilizes landing

ActiveCN224427892UImprove stabilitysmooth landingMechanical engineeringRhomboid
This utility model discloses a landing gear for a drone with stable landing, including a support structure consisting of two sets. Each support structure includes a rhomboid block and mounting tubes. Sleeves are fixedly connected to two opposite corners of the front face of the rhomboid block, and sleeves are fixedly connected to the other two opposite corners of the rear face of the rhomboid block. The four mounting tubes are arranged in an X-shape, with one end of each tube installed inside a sleeve and the other end fixedly connected to a mounting plate. A mounting cavity is formed at the center of the mounting plate. Two mounting plates at the bottom are equipped with anti-vibration structures. The X-shaped distribution of the rhomboid blocks and mounting tubes enhances the overall stability of the landing gear, allowing the drone to land more smoothly and reducing the risk of damage due to instability. Furthermore, the combination of mounting tubes and sleeves facilitates efficient assembly, and if one component is damaged, it can be replaced promptly, ensuring the overall service life.
Owner:DONGGUAN LIANHAO MASCH EQUIP CO LTD

Multifunctional movable poultry breeding device under forest

ActiveCN224386478Uavoid prolonged concentrationtimely replacementBird housingsFisheryDomestic bird
The utility model discloses an under-forest multifunctional movable poultry breeding device, including the henhouse, and the henhouse includes the egg production area, the habitat area, the feeding area and the movable cage, and the henhouse bottom is provided with the bottom plate, and the bottom plate lower surface is provided with a plurality of moving wheels, and the bottom plate top is provided with the mesh, and the mesh and the bottom plate between sliding insertion have the excrement receiving tray, and the habitat area is provided with a plurality of habitat racks, and the habitat area top is provided with the supporting plate, and the supporting plate upper surface is provided with a plurality of egg production nests, and the mesh upper surface of feeding area is provided with the trough and the water tank respectively, and the feeding area one end surface is provided with the sliding door. The utility model discloses through setting up the pull rod and the moving wheel, can realize flexible movement, avoid poultry long -term concentration in the same area activity, can replace the site in time, protect under-forest vegetation and soil structure, maintain the ecological balance, set up the excrement receiving tray, and the excrement receiving tray lets the staff can daily unified collection excrement, avoid excrement pollution breeding environment, and the cleaning process need not frequently enter the henhouse, and the time and energy are saved.
Owner:北京市昌平区畜牧水产技术推广站

Warning device for tunnel construction

ActiveCN224338126URealize self-cleaningAvoid smashingTraffic signalsRoad signsGear wheelArchitectural engineering
This utility model discloses a warning device for tunnel construction, relating to the field of construction safety warning technology. It includes a base housing and a warning light. An L-shaped bracket is welded to the top of the base housing. The end of the connecting rod away from the L-shaped bracket is rotatably connected to the warning sign support rod. A ring-shaped reflective strip is provided on the right side surface of the circular warning sign. A gear is connected to the bottom of the circular warning sign. The warning light is located at the top of the L-shaped bracket, and a transparent protective cover covers the outside of the warning light. This utility model uses a controller and power supply to control the motor's start. The motor's output shaft drives the gear to rotate. Because the teeth on the edge of the circular warning sign mesh with the gear, the circular warning sign rotates accordingly. A rubber scraper adheres to the surface of the circular warning sign. When the circular warning sign rotates, the fixed rubber scraper scrapes off dust from the surface of the circular warning sign, facilitating self-cleaning.
Owner:HUNAN CONSTR ENG TRANSPORTATION CONSTR

A heat pump device utilizing waste heat from circulating water plus lithium bromide

This utility model relates to the field of lithium bromide solution technology and discloses a lithium bromide heat pump device utilizing waste heat from circulating water. The device includes a tank body and a lid on top of the tank body. A partition is fixed to the inner wall of the tank body, and three filter elements are installed inside the partition. A disassembly assembly is located inside the partition, including a mounting plate fixed to the inner wall of the partition. The mounting plate has three threaded holes on its inner wall, and the filter elements have external threads on their outer sides. This utility model uses a lithium bromide absorption heat pump to externally connect to a filter tank for processing lithium bromide solution. The three filter elements installed inside the filter tank allow for filtration of the used lithium solution, effectively adsorbing impurities and enabling the lithium solution to be recycled. The filter tank has a flange-connected, detachable structure, consisting of a tank body and a lid. The disassembly assembly facilitates timely replacement of the filter elements installed inside the tank, making operation simple and convenient.
Owner:HEBEI MOLOR ENVIRONMENTAL PROTECTION TECH CO LTD

A device for capturing cabbages moths

ActiveCN224460946Ueasy to replaceObservable usage statusAnimal scienceCabbage moth
A kind of white moth trapping device relates to pest control technical field.To solve the problem that existing suspension height is higher, only can be taken down first, then lure is taken out, and replacement process is more troublesome.The utility model discloses from top to bottom setting top plate, box body and collection box in proper order, collection box and box body are detachably connected, collection box is connected with the mounting column that vertically extends upwards, lure core is placed in mounting column, when collection box and box body are connected, the part of lure core that is placed in mounting column is inserted into box body, box body is equipped with moth trapping mouth, lure core is used to white moth, so that white moth enters into box body from moth trapping mouth, then is collected by collection box, when needing to replace lure core, only need to take down collection box from bottom, collection box drives mounting column and box body to separate, then lure core in mounting column is replaced, no need to take down box body, replacement process is more convenient, time-saving and labor-saving.
Owner:JILIN AGRICULTURAL UNIV

Polyaluminum chloride raceway pond multi-stage split-flow reaction device

The utility model discloses a polyaluminum chloride raceway pond multi-stage shunting reaction device which comprises a raceway pond body, a baffle is arranged in the raceway pond body, a driving paddle is connected between the raceway pond body and the baffle through a rotating shaft, a driving motor is installed at the end of the rotating shaft, and the driving motor is connected with the baffle. The runway pond comprises a runway pond body, a multi-stage splitter plate is arranged in the runway pond body, a side plate is mounted on the side surface of the multi-stage splitter plate, a stirring paddle is mounted on the lower surface of the side plate in a penetrating manner, and a first turbine is mounted on the surface of the stirring paddle. The driving paddle arranged in the runway pond can enable a polyaluminum chloride solution in the runway pond body to integrally flow under the driving of the driving motor, and the stirring paddles on the multi-stage splitter plate can locally stir the solution in each stage of splitting area under the action of the stirring motor, so that the solution in each stage of splitting area can be partially stirred in a manner of combining the integral flowing and the local stirring, and the solution in each stage of splitting area can be completely stirred. All components in the solution can be fully mixed, and the reaction efficiency and uniformity are improved.
Owner:YICHUN LONGCHEN WATER PURIFICATION MATERIAL CO LTD

A clamp mold quick-change type metal pipe anti-damage pipe bending device

ActiveCN224406198Uless likely to cause damageavoid damageStructural engineeringMechanical engineering
The utility model discloses a kind of metal pipe anti-damage elbow pipe devices of die quick-change type, comprising: pedestal, one end of which is provided with wheel mould, and the surface of wheel mould is provided with first forming pipe groove;Die module, it includes die holder, first die and nylon die head, die holder is slidably connected on pedestal, and hanging seat is provided on die holder, the back of first die is provided with the first hanging groove of shape matching hanging seat, mounting groove is provided on first die, the back of nylon die head is provided with connecting portion, connecting portion is clamped in mounting groove, connecting portion is fixedly installed on first die by bolt, and first groove body corresponding to first forming pipe groove is provided on the end face of nylon die head.The utility model compared with prior art, solve the problem of metal pipe surface damage when elbow pipe caused by die abrasion.
Owner:KUNSHAN VERITAS AUTOMOTIVE SYST CO LTD

Printing equipment part management system and printing equipment part management method

The invention provides a printing equipment part management system and a printing equipment part management method, and relates to the technical field of printing equipment. The printing equipment part management method comprises the steps that the preset number of rotation turns of parts is obtained, and the parts comprise a reference part and a part to be detected; the actual number of rotation turns of the reference part is obtained; according to the actual number of rotation turns of the reference part, obtaining the actual number of rotation turns of the to-be-detected part; the actual number of rotation turns corresponding to the part is compared with the preset number of rotation turns; if the actual number of rotation turns is larger than or equal to the preset number of rotation turns, an alarm signal is sent to replace the part. The actual number of rotation turns of the multiple to-be-detected parts can be obtained only by collecting the actual number of rotation turns of the reference part, a data collection module does not need to be independently configured for each to-be-detected part, the hardware composition and the installation structure are simplified, and the production cost is reduced.
Owner:SHANGHAI M&G STATIONERY INC

Aircraft lavatory lighting control switch

The utility model relates to an aircraft lavatory lighting control switch, the switch includes base, support, elastic sheet, switch and cable, the base is used for with aircraft lavatory superior component connection, the support is located the top of base and is connected with it, the elastic sheet is installed in the one end of support far from the base, the switch is fixed on the support and is matched with the elastic sheet, one end of cable connects the switch, the other end connects aircraft lavatory light system, when aircraft lavatory door closes, the elastic sheet is pressed switch and changes its state to control the lighting light to open, the utility model has the advantages of simple structure, easy assembly, spare parts easy to get and low cost, can control aircraft lavatory inside lighting safely and effectively.
Owner:BEIJING ANDAWELL CIVIL AVIATION TECH

An assembled cat tower

ActiveCN224402573Umeet activitymeet needsIndustrial engineeringSupport plane
The utility model discloses an assembled cat rack, including two bowl cat nest and support plate subassembly, support plate subassembly includes first support plate subassembly and second support plate subassembly, both cross -set, first support plate subassembly includes two symmetrical support plate no.
Owner:刘东

Fan-coil unit with air purification function

The utility model relates to air conditioner fan -coil technology field especially, and more particularly to a fan -coil with air purification function, including fan -coil main part, the fixed mounting of the coil on fan -coil main part has the shell, the shell covers the periphery of the coil, the fixed mounting of double -shaft motor has in fan -coil main part, the two -way output shaft of double -shaft motor and fan -coil main part inside turbine fan impeller shaft are linked, still including the primary filter screen of setting in the shell both sides of fan -coil main part, the purification frame is set up to the primary filter screen of setting in the shell both sides of fan -coil main part, the primary filter screen is set up to the primary filter screen of setting in the shell both sides of fan -coil, the purification frame is set up to the primary filter screen of setting in the shell both sides in fan -coil main part, the purification frame is set up to the primary filter screen of setting inside the shell both sides in fan -coil main part, the purification frame is set up to the purification frame of setting in the shell both sides in fan -coil main part, the purification frame is set to the purification frame of setting in the shell both sides in fan -coil main part, the primary filter screen is set up to the primary filter screen of the setting in the shell both sides in fan -coil main part, the purification frame is set up in the primary filter screen of the setting in the shell both sides in fan -coil main part, and the primary filter screen is set up to the primary filter screen of the setting in the shell both side in fan -coil main part.
Owner:江苏宏帝净化工程有限公司

Wafer processing systems and methods, dresser components, chemical mechanical polishing equipment

This application provides a wafer processing system and method, a dresser assembly, and a chemical mechanical polishing (CMP) device, belonging to the semiconductor manufacturing field. The system includes: a polishing disk; a dresser comprising a dresser arm and a dresser disk, wherein during the dressing process, the dresser arm pivots and the dresser disk rotates to ensure that the dressing area of ​​the dresser disk covers the entire area of ​​the polishing disk; an eddy current sensor embedded in the polishing disk for acquiring eddy current signals as the polishing disk rotates; and a controller for dividing the eddy current signals according to the rotation cycle of the dresser disk using a rotary encoder signal corresponding to the dresser, to extract the target eddy current signal corresponding to the dresser disk within its rotation cycle; and determining whether the dresser disk needs to be replaced based on the fluctuation range and / or standard deviation of the fluctuation characteristics of the dresser disk reflected by the target eddy current signal. This application can effectively determine the state of the dresser disk, ensuring the stability of the wafer polishing effect.
Owner:HWATSING (BEIJING) TECH CO LTD

Shoe assembly and elevator

The utility model discloses a brake shoe assembly and elevator relates to elevator technical field, wherein, a brake shoe assembly, include: base, brake piece and friction piece, base has opposite first side and second side in first direction, the first side is used for setting to brake wheel, brake piece fixed setting in the first side of base is used for with brake wheel abut, friction piece sets up the circumferential side of brake piece, and one end is connected with base, and the other end is located between the position of two sides of brake piece in first direction, is used for abutting with brake wheel after brake piece wear, the utility model discloses the technical scheme that provides through the abutment of friction piece and brake wheel after brake piece wear a certain amount, when brake wheel rotates, the friction between friction piece and brake wheel emits sharp noise, to reach the technical effect of prompting maintenance personnel to replace brake piece in time.
Owner:SHENZHEN INST OF SPECIAL EQUIP INSPECTION & TEST

An online device for removing saw burrs from the ends of bar stock.

This utility model relates to an online device for removing sawing burrs from the ends of bar stock, belonging to the technical field of bar stock finishing equipment in the metallurgical industry. The technical solution is as follows: a base plate (6) is set at one end of the cut length of steel (15), a motor (1) and a lead screw nut (5) are respectively fixed on the base plate (6), a lead screw (4) is threaded onto the lead screw nut (5), and the lead screw (4) is arranged perpendicular to the running direction of the cut length of steel (15); multiple shafts (13) are provided on the base plate (6) along the running direction of the cut length of steel (15), and bearings and bearing seats are respectively provided at both ends of the shafts (13). The motor (1) is connected to the shafts (13) through a belt (7) and a pulley (8). A wire brush (2) that cooperates with the end of the cut length of steel (15) is provided at one end of the shaft (13) near the cut length of steel (15). The beneficial effect of this utility model is that it can remove the sawing burrs from the ends of the bar stock during the running process.
Owner:SHIJIAZHUANG IRON & STEEL