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58results about How to "Avoid deformation or even breakage" patented technology
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Wood board cutting machine having fixing function
InactiveCN108501113AImprove cutting accuracyAvoid damageSawing componentsCircular sawsEngineeringMechanical engineering
The invention discloses a wood board cutting machine having a fixing function. The wood board cutting machine comprises a cutting platform; a supporting rod is welded at one end of the upper surface of the cutting platform; a limiting base is arranged at one end of the supporting rod; a reinforcing plate is welded on one side of the limiting base; an electric telescopic rod is welded below the limiting base; a transmission plate is arranged below the electric telescopic rod; a bearing is arranged at the connecting part of the electric telescopic rod and the transmission plate; and a pressing plate is arranged below the transmission plate. The electric telescopic rod and the pressing plate are arranged on the wood board cutting machine, the electric telescopic rod drives the pressing plateto descend through the transmission plate, and a wood board placed on the cutting platform is fixed by the pressing plate and is prevented from moving in the cutting process, so that the cutting precision of the wood board cutting machine is improved, and a saw blade is prevented from being damaged due to movement of the wood board; and the bearing is arranged on the transmission plate, and a useradjusts the position of the pressing plate through the bearing, so that the fixing effect of the pressing plate on the wood board is better.
Owner:BENGBU ZHIDA TECH CONSULTING CO LTD
Processing method for blowing type soaking plate with capillary structure
ActiveCN110360861AAvoid deformationImprove cooling effectIndirect heat exchangersHigh pressureMelting point
The invention discloses a processing method for a blowing type soaking plate with a capillary structure. The processing method specifically comprises the following steps of 1, preparing materials, specifically, two substrates are prepared; 2, printing and capping, specifically, a blocking agent is printed on the substrates, and the two substrates are capped, wherein the blocking agent is positioned between the two substrates; 3, hot rolling, specifically, the double-layer substrate is rolled and synthesized into a composite plate; 4, blowing, specifically, high-pressure gas is introduced intothe composite plate, so that a part printed with the blocking agent is expanded to form a cavity; 5, filling filler, specifically, filler is filled into the cavity of the composite plate, wherein thefiller comprises particles, and the melting point of the particles is higher than that of the substrates; and 6, sintering, specifically, the composite plate is heated, and the filler is sintered on the composite plate to form the capillary structure. The filler is filled after a blowing process and sintered in the cavity to form the capillary structure, so that the situation that the filler is deformed or even broken due to extrusion is avoided, the formation of the capillary structure is guaranteed, and the heat dissipation effect of the soaking plate is improved.
Owner:常州恒创热管理有限公司
Swinging-arm-type flexible belt bundle winding machine
InactiveCN103420198AReduce power consumptionSolve the low utilization rate of equipment spaceWebs handlingWinding machineClassical mechanics
The invention relates to a swinging-arm-type flexible belt bundle winding machine, which comprises a functional pulley block, an inflatable shaft component and a belt guiding-out pulley. The belt guiding-out pulley is fixedly arranged on a guiding-out pulley mounting plate. The guiding-out pulley mounting plate is arranged at one end of a guiding-out pulley swinging arm. The other end of the guiding-out pulley swinging arm is connected with a swinging arm shaft which is arranged on a winding machine main body and can axially swing around the swinging arm shaft along the inflatable shaft component. A first belt section twisting pulley block and a second belt section twisting pulley block which are used for twisting flexible belts are additionally arranged between the functional pulley block and the belt guiding-out pulley. The first belt section twisting pulley block is fixedly arranged on the winding machine main body and is arranged opposite to the functional pulley block. The second belt section twisting pulley block is fixedly arranged on the guiding-out pulley mounting plate and is opposite to the belt guiding-out pulley. The swinging-arm-type flexible belt bundle winding machine has the advantages that the structure is simple, the stress is uniform and the belts can be effectively prevented from being wrinkled during winding.
Owner:严斯亮
Three-dimensional memory and manufacturing method thereof
ActiveCN112466884AImprove performanceAvoid deformation or even breakageSolid-state devicesSemiconductor devicesPhysicsEngineering
Owner:YANGTZE MEMORY TECH CO LTD
Solar street lamp for road lighting
PendingCN111637411AImprove gripImprove wind resistanceMechanical apparatusLighting support devicesMicrocomputerMicrocontroller
The invention discloses a solar street lamp for road lighting. The solar street lamp comprises a base, and a lead screw is vertically installed in the center of the top of the base through a bearing.The bottom of the outer wall of the lead screw is sleeved with a buffer mechanism. The top of the outer wall of the lead screw is sleeved with a driving block. Connecting rods are symmetrically mounted at the left end and the right end of the driving block; a lampshade is mounted at the bottoms of the connecting rods; a lamp body is installed at the end, away from the connecting rods, of the lampshade. A mounting base is mounted at the top of the lead screw; a GPS positioner is mounted at the left end of an inner cavity of the mounting base; a single-chip microcomputer is mounted at the rightend of an inner cavity of the mounting base; the transmission mechanism is adopted to drive the lead screw to rotate; the lead screw is adopted to enable a driving block to drive the connecting rods to slide up and down, so that the height of a lamp body is conveniently adjusted, a reserved block is conveniently taken out of the inner cavity of a reserved groove when the lamp body is damaged or breaks down, disassembly and replacement are convenient, the practicability of the street lamp is improved, and inconvenience brought to workers due to manual climbing is avoided.
Owner:新沂市北沟镇福利厂
Portal frame device for mechanical automatic machining
PendingCN112265907AEasy and stable winding operationAvoid deformation or even breakageBase supporting structuresBraking devices for hoisting equipmentsSteel tubeServo
The invention belongs to the technical field of mechanical automatic machining, and discloses a portal frame device for mechanical automatic machining. The portal frame device comprises two bases, wherein supporting columns are fixedly mounted in the middles of the top surfaces of the two bases, universal wheels are fixedly mounted on the front and rear sides of the bottoms of the two bases, a topbeam is fixedly mounted at the tops of the two supporting columns, and reinforcing steel pipes are fixedly connected to the front and rear sides of the tops of the bases and fixedly connected with the supporting columns. According to the portal frame device, an output shaft of a servo motor drives a rotating shaft to rotate, free winding and unwinding of steel wire ropes are achieved through rotation of wire winding devices and a connecting shaft, and then the gravity of a movable cross beam acts on the wire winding devices and the connecting shaft; compared with the prior art, acting force acting on the middle of the top beam is dispersed, and it is avoided that the middle of the top beam of the portal frame device deforms and even breaks due to long-term stress; and meanwhile, the steelwire ropes are always in a tensioned state, so that the use safety of the portal frame device is improved.
Owner:李闯
Flexible jig device for root canal file grinding
ActiveCN112045507AAvoid deformation or even breakageImprove reliabilityGrinding carriagesOther manufacturing equipments/toolsEngineeringMachining process
The invention provides a flexible jig device for root canal file grinding, and belongs to the technical field of root canal file grinding machining. The flexible jig device comprises an L-shaped swingarm, a swing arm rotating pin, a sliding block and a ball head connecting base, protruding supporting tables are arranged at the two ends of a support, material holes are formed in the supporting tables, the L-shaped swing arm is hinged to the support through the swing arm rotating pin, a V-shaped bearing groove is formed in the upper side of one end of the L-shaped swing arm, and a ball head groove is formed in the other end of the L-shaped swing arm. A lead screw is rotatably arranged on two lead screw supports, the sliding block is slidably arranged on a sliding rail, the lead screw is inlead screw connection with a lead screw nut, the ball head connecting base is installed at the upper end of the sliding block, the ball head connecting base comprises a ball head portion and a supporting rod portion, and the ball head portion of the ball head connecting base is embedded into the ball head groove of the L-shaped swing arm. Real-time supporting of a root canal file is achieved through the V-shaped bearing groove in the L-shaped swing arm, the root canal file can be effectively prevented from deforming and even being broken in the grinding machining process, and the reliability and stability of grinding machining of the root canal file are greatly improved.
Owner:桐乡市三精自动化科技有限公司 +1
Ribbed prestressed thin plate as well as casting mold and casting method thereof
InactiveCN105926843AHigh strengthAvoid deformation or even breakageBuilding componentsForms/shuttering/falseworksPre stressCasting mold
The invention relates to the technical field of concrete products and discloses a ribbed prestressed thin plate as well as a casting mold and a casting method thereof. The ribbed prestressed thin plate comprises a bottom plate and multiple rib plates arranged on the bottom plate, wherein the bottom plate is internally provided with a criss-cross bottom plate reinforcing mesh; the rib plates are internally provided with rib plate rebars. Since the bottom plate is internally provided with the criss-cross bottom plate reinforcing mesh and the rib plates are internally provided with the rib plate rebars, the strength of the rib plates and the bottom plate can be enhanced, a formed PK prestressed laminated concrete slab has relatively high strength, deformation and even breakage are avoided, the engineering equality is improved, and unnecessary losses are omitted. By virtue of adopting the casting mold and casting method of the ribbed prestressed thin plate provided by the embodiment of the invention, casting of the ribbed prestressed thin plate can be realized; furthermore, the casting mold of the rib plate adopts full bolt connection, so that rapid formwork supporting can be achieved, the production efficiency is improved, and batched prefabrication production of the rib plates can be realized.
Owner:河北晶通建筑科技股份有限公司
Umbrella with outward turning-preventing function
InactiveCN102068094AStrong and powerful draw actionExtended service lifeWalking sticksEngineeringTextile
The invention discloses an umbrella with outward turning-preventing function. The umbrella comprises a main rib, a plurality of umbrella cloth branch ribs and a plurality of drawing line bodies, wherein the plurality of umbrella cloth branch ribs are connected to and extended from the upper end of the main rib; and the plurality of drawing line bodies are respectively wound around the main rib along one umbrella cloth branch rib and then are fixed along another umbrella cloth branch rib. A firm and stable inward tension is provided for the umbrella through the combination of the plurality of umbrella cloth branch ribs and the plurality of drawing line bodies, so that the umbrella resists the blowing of reverse strong wind, then the umbrella ribs are prevented from being turned outwards, bent, deformed even broken and the service life of the umbrella is prolonged.
Owner:林邱美丽
Tubular pile concrete injection device
InactiveCN113059672AAvoid deformation or even breakageHigh precisionFeeding arrangmentsAuxillary shaping apparatusArchitectural engineeringPipe
The invention provides a tubular pile concrete injection device. The tubular pile concrete injection device comprises first supporting pieces, a lifting assembly, a second supporting piece and a fixed supporting frame which are sequentially distributed along the same straight line, wherein a mold is placed at the upper ends of the multiple first supporting pieces, a conveying pipe is placed at the upper ends of the second supporting piece and the fixed supporting frame, the fixed supporting frame is fixed to the ground, the first supporting pieces and the second supporting piece can linearly move along the distribution straight line of the first supporting pieces and the second supporting piece, the lifting assembly comprises side plates fixed to the two sides of the ground, a top plate is fixed to the tops of the side plates, a connecting arm is fixed to the lower end of the top plate, and an electromagnet is fixed to the lower end of the connecting arm. According to the concrete injection device provided by the invention, concrete is evenly injected into the mold through the conveying pipe by moving the mold, upward magnetic force is provided for the conveying pipe through the electromagnet, the conveying pipe is kept horizontal during working, and the problem that the conveying pipe is bent downwards due to no support and accordingly deforms and even fractures is avoided.
Owner:ANHUI JIANHUA CONCRETE PILE
Cell culture spinner bottle
InactiveCN109022279AStable supportHigh strengthBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringBottle
The invention discloses a cell culture spinner bottle, which comprises a bottle body, wherein a longitudinal bone edge is arranged on the bottle body. Understandably, the distance from the middle partof the bottle body to the two ends of the bottle body is the longest, so that the deformation most easily occurs in the use process; therefore the longitudinal bone edge extends from the middle partof the bottle body to the two ends of bottle body in the axial direction of the bottle body; the longitudinal bone edge can be in a uniform and constant shape from the head to the tail; some regulation can also be made in the middle position of the bottle body easy to deform, so that the shapes of the two ends are different so as to improve the support on the middle part of the bottle body. A plurality of longitudinal bone edges are arranged in the peripheral direction of the bottle body. Therefore through the arrangement of the longitudinal bone edges extending in the axial direction of the bottle body in the peripheral direction of the bottle body, the effect of reinforcing the bottle body intensity can be achieved; the support fixation is achieved on the bottle body; great amplitude deformation or even fracture in the cell culture process is avoided, so that the sufficient contact between the cells and the culture medium in the cell culture process is facilitated; the smooth proceeding of the cell culture is ensured.
Owner:GUANGZHOU JET BIOFILTRATION CO LTD
Multi-surface-supporting welded exhaust hood of industrial steam turbine
ActiveCN111927581AImprove stabilityReduce vibrationMachines/enginesEngine componentsStructural engineeringIndustrial engineering
The invention discloses a multi-surface-supporting welded exhaust hood of an industrial steam turbine. The welded exhaust hood comprises an exhaust hood upper part and an exhaust hood lower part. A rod supporting assembly is fixedly arranged on a diffusion inner flow guide ring and comprises a sleeve rod, a first transverse rod, a second transverse rod and an abutting plate, one end of the sleeverod is fixedly connected with the arc side face of the diffusion inner flow guide ring, the other end of the sleeve rod is connected with one end of the first transverse rod, the end, not connected with the sleeve rod, of the first transverse rod is fixedly connected with the inner side wall of the exhaust hood lower part, one end of the second transverse rod is fixedly connected with the arc sideface of the sleeve rod, and the other end of the second transverse rod is fixedly connected with the inner front wall of the exhaust hood lower part. Horizontal supporting plates are arranged on theouter rear wall and the two outer side walls of the exhaust hood lower part, horizontal reinforcing plates are arranged on the outer front wall, the outer rear wall and the two outer side walls of theexhaust hood lower part, a plurality of first vertical reinforcing plates are arranged between a lower flange and the horizontal supporting plates, and a plurality of second vertical reinforcing plates are arranged between the horizontal supporting plates and the horizontal reinforcing plates.
Owner:HANGZHOU STEAM TURBINE
Concrete support mounting structure and mounting and dismounting method
PendingCN113373944ARealize installation and disassemblyShorten the construction periodExcavationsButt jointArchitectural engineering
The invention relates to a concrete support mounting structure and a mounting and dismounting method. The mounting structure comprises a first joint assembly and a plurality of second joint assemblies, wherein the first joint assembly comprises two first joints; each first joint comprises a first base and a first anchoring plate vertically fixed on the first side of the first base; the two first anchoring plates are anchored into a crown beam and a concrete support respectively; a butt joint section is detachably connected between the second sides of the two first bases; the plurality of second joint assemblies are connected between every two adjacent concrete support sections in the spliced concrete support in a one-to-one correspondence manner; each second joint assembly comprises a second joint and a third joint; each second joint comprises a second base and a second anchoring plate which is vertically fixed on the first side of the second base and is anchored to the corresponding concrete support section; a convex part is formed on the second side of each second base; each third joint comprises a third base and a third anchoring plate which is vertically fixed on the first side of the third base and is anchored to the corresponding concrete support section; and a groove part for inserting the corresponding convex part is formed on the second side of each third base. The concrete support mounting structure is convenient to mount and dismount and can be repeatedly used.
Owner:中建八局轨道交通建设有限公司
Combined detection device for cigarette packets
ActiveCN112642732AAccurate Appearance InspectionImprove efficiencySortingEngineeringReal-time computing
The invention relates to the technical field of electrical automation detection of tobacco, and provides a combined detection device for cigarette packets. The combined detection device includes a cigarette packet ultra-width detecting and removing device, a cigarette packet visual appearance detecting device and a controller; the cigarette packet ultra-width detecting and removing device is arranged at the downstream of a cigarette packaging machine and is arranged at the upstream of the cigarette packet visual appearance detecting device; the cigarette packet ultra-width detecting and removing device and the cigarette packet visual appearance detecting device are electrically connected with the controller respectively; the cigarette packet ultra-width detecting and removing device is used for detecting and removing ultra-wide cigarette packets; and the cigarette packet visual appearance detecting device is used for detecting the appearance quality of the cigarette packets. Compared with the prior art, the combined detection device for cigarette packets not only can detect and remove ultra-wide cigarette packets, but also can accurately detect the appearances of the cigarette packets. Therefore, the cigarette packet detection efficiency is greatly improved. The cigarette packet ultra-width detecting and removing device and the cigarette packet visual appearance detecting device achieve an obvious combination effect, and the advantages and disadvantages thereof are complementary.
Owner:HONGTA TOBACCO GRP
Indoor temperature control system utilizing geothermal energy
InactiveCN114576748ASimple structureEnergy savingMechanical apparatusLighting and heating apparatusDomestic water consumptionWater storage tank
The invention relates to an indoor temperature control system utilizing geothermal energy. The indoor temperature control system utilizing the geothermal energy comprises at least two stages of raft plate column pier type energy foundations, geothermal energy type floor heating devices connected with the corresponding stages of raft plate column pier type energy foundations to form floor heating circulation branches, and geothermal energy type water-cooling air conditioning devices connected with the corresponding stages of raft plate column pier type energy foundations to form water-cooling circulation branches. The system comprises a water storage tank, a self-priming pump, a domestic water pipeline and a control system, each stage of raft plate column pier type energy foundation is connected in parallel and comprises a raft plate foundation and an energy column pier which are integrally poured through concrete, and heat exchange pipes for heat exchange with heat energy in soil are pre-buried in the raft plate foundation and the energy column pier. The control system comprises an intelligent temperature controller used for monitoring the indoor temperature and a multi-way switch connected with the intelligent temperature controller, and the multi-way switch is connected with the corresponding circulation branch when the temperature monitored by the intelligent temperature controller is smaller than or larger than a set value. Terrestrial heat can be effectively utilized, and energy consumption is reduced.
Owner:THE FOURTH OF CHINA CONSTR SEVENTH ENG
Stirring method using permanent magnet transmission
InactiveCN107930445AExtended service lifeGuaranteed transmission performanceRotary stirring mixersTransportation and packagingTime functionDrive shaft
The invention discloses a stirring method using permanent magnet transmission. According to the stirring method, an ordinary motor is replaced by a permanent magnet motor for use, so that power transmission performance can be ensured, thereby avoiding occurrence of deformation or even fracture of a drive shaft due to a long time function of a radial force when the motor is in use, the service lifeof the motor can be prolonged, normal operation of a stirrer can be ensured, use is more convenient; and reinforcing grooves and reinforcing ribs are arranged on the external surface of a stirring tank, so that the bearing capacity of the stirring tank can be enhanced, making the stirring tank not easily damaged, the service life of the stirring tank can be prolonged, and loss caused by materialleakage can be avoided.
Owner:蔡洁钟
Traction rod
PendingCN112173155AEasy to storeEasy to transportGround installationsEngineeringMechanical engineering
Owner:YUHUAN TIANRUN AVIATION MACHINERY MFG
Cast-in-place bored energy pile with novel pipe layout mode and construction method thereof
PendingCN111042112AReduce stressAvoid deformationGeothermal energy generationGeothermal collectorsArchitectural engineeringCollector device
The invention belongs to the technical field of civil construction engineering, and particularly discloses a cast-in-place bored energy pile with a novel pipe layout mode and a construction method thereof. The cast-in-place bored energy pile comprises a cast-in-place pile body, a heat transfer pipe arranged in the cast-in-place pile body, a water pump communicating with an inlet of the heat transfer pipe, and a heat collector communicating with an outlet of the heat transfer pipe; the water pump and the heat collector communicate with a heat exchange structure; the cast-in-place pile body is formed by lowering and welding a plurality of reinforcement cages in sections, each reinforcement cage is composed of a top reinforcement cage section, a bottom reinforcement cage section and a middlereinforcement cage section, and reinforcement loop rings are welded to the top and the bottom of each reinforcement cage section; and the heat transfer pipe penetrates through the reinforcement loop rings to be bound to the reinforcement cages, and the heat transfer pipe leads to the heat collector after passing through the water pump and the heat exchange structure. The cast-in-place bored energypile has the advantages that the structure is simple and construction is convenient and fast.
Owner:THE FOURTH OF CHINA CONSTR SEVENTH ENG +1
A kind of air pressure type solution mixer
InactiveCN104474955BImprove pressure resistanceStrong leak-proofMixing methodsTransportation and packagingAir compressionSolution agitator
The present invention relates to a pneumatic solution agitator, comprising a reciprocating piston assembly and a mixing barrel, the mixing barrel is provided with an air guide chamber, a stirring chamber and an air pressure chamber; the reciprocating piston assembly includes a reciprocating assembly and a piston mechanism, the piston The gas in the mechanism shrinks and expands under the drive of the reciprocating component. The piston mechanism includes an exhaust port that doubles as the suction port. The exhaust port communicates with the air guide chamber; It is a semi-closed cavity, the opening end of the mixing chamber communicates with the air guide chamber through a one-way valve A, and the conduction direction of the one-way valve A is from the stirring chamber to the air guide chamber; the opening end of the air pressure chamber passes through the one-way valve B communicates with the air guide chamber, and the conduction direction of the one-way valve B is from the air guide chamber to the air pressure chamber; the outer wall of the mixing chamber and the inner wall of the air pressure chamber are connected through a number of release holes; the whole stirring mechanism is fully sealed, Compared with the shaft-type driving mechanism, the pressure-bearing performance is better, and the piston size is increased to reduce noise.
Owner:香港東鴻國際實業有限公司
A hose seawater submersible pump winch system
Owner:天津德赛环保科技有限公司
A processing method of an inflatable vapor chamber with a capillary structure
ActiveCN110360861BGuaranteed normal formationImprove cooling effectIndirect heat exchangersPolymer scienceBi layer
The invention discloses a processing method for a blowing type soaking plate with a capillary structure. The processing method specifically comprises the following steps of 1, preparing materials, specifically, two substrates are prepared; 2, printing and capping, specifically, a blocking agent is printed on the substrates, and the two substrates are capped, wherein the blocking agent is positioned between the two substrates; 3, hot rolling, specifically, the double-layer substrate is rolled and synthesized into a composite plate; 4, blowing, specifically, high-pressure gas is introduced intothe composite plate, so that a part printed with the blocking agent is expanded to form a cavity; 5, filling filler, specifically, filler is filled into the cavity of the composite plate, wherein thefiller comprises particles, and the melting point of the particles is higher than that of the substrates; and 6, sintering, specifically, the composite plate is heated, and the filler is sintered on the composite plate to form the capillary structure. The filler is filled after a blowing process and sintered in the cavity to form the capillary structure, so that the situation that the filler is deformed or even broken due to extrusion is avoided, the formation of the capillary structure is guaranteed, and the heat dissipation effect of the soaking plate is improved.
Owner:常州恒创热管理有限公司
Coil making and winding machine for transformer manufacturing process
ActiveCN110676048BImprove productivityAvoid deformation or even breakageCoils manufactureWinding machineTransformer
The invention relates to a winding machine for manufacturing coils in the transformer manufacturing process, which includes a mounting table, two U-shaped side plates, a fixed rod, a supporting rotating device, a winding device and a rolling device, and the left and right sides of the upper end of the mounting table are welded symmetrically. There is a U-shaped side plate, the upper end of the U-shaped side plate is installed with a fixed rod through sliding fit, the middle part of the installation platform is equipped with a supporting rotating device, a winding device is installed between the supporting rotating device and the fixed rod, and the end of the winding device is provided with a Rolling device, the rolling device is arranged in the middle part of the upper end of the installation platform. The invention provides a winding machine for winding coils in the manufacturing process of transformers, which can solve the problem that when the existing equipment is wound, the transformer skeleton is easily deformed or even broken due to the large number of winding turns, and the winding of the coils is easy to occur during the coil winding process. The phenomenon of crossing, knotting and sinking of wires, and problems such as scratches or even breaking of enameled wires when existing equipment is wound.
Owner:威海众成电子有限公司
Bracket mechanism
PendingCN110125737ACounteract squeezeAvoid deformation or even breakageGrinding drivesOther manufacturing equipments/toolsEngineeringGrinding wheel
The invention discloses a bracket mechanism which comprises an adjusting base and a bracket. The adjusting base comprises a main body, a rotating portion and an adjusting part. The rotating portion iselastically connected with the main body. The adjusting part is movably arranged on the main body and arranged to be capable of providing force for enabling the rotating portion to rotate relative tothe main body. The bracket is arranged on the rotating portion. According to the bracket mechanism, the adjusting base of the bracket mechanism comprises the main body and the rotating portion whichare elastically connected, elastic force between the main body and the rotating portion can be overcome through the adjusting portion, thus the rotating portion can rotate relative to the rotating portion, the adjusting amount is small, precision micro adjustment of the angle can be achieved, the adjusting precision is high, then a part of extrusion force of a grinding wheel to a micro drill bit is offset, and the situation that the micro drill bit deforms and even breaks can be avoided.
Owner:SHENZHEN JINZHOU PRECISION TECH
Mounting structure of centrally-mounted motor and power-assisted bicycle
The invention relates to the technical field of power-assisted bicycles, in particular to a mounting structure of a centrally-mounted motor and a power-assisted bicycle. The mounting structure of the centrally-mounted motor comprises a motor assembly, a connecting frame, fasteners and a stretching protection sleeve, a through mounting hole is formed in the motor assembly, the connecting frame comprises two connecting arms located at the two ends of the mounting hole in the length direction respectively, the stretching protection sleeve is arranged in the mounting hole in a penetrating mode, and the two ends of the stretching protection sleeve are connected with the fasteners. The fasteners penetrate through the connecting arms and are fixed to the stretching protective sleeve so as to fix the motor assembly and the connecting frame. Due to the fact that the stretching protection sleeve can be stretched and deformed under the action of the pre-tightening force of the fasteners, compensation is provided for the gap between the motor assembly and the connecting frame, the motor assembly and the connecting frame are prevented from being deformed and even broken under the action of the pre-tightening force, and protection on the motor assembly and the connecting frame is improved. The power-assisted bicycle adopts the mounting structure of the centrally-mounted motor so that the motor assembly and the frame are stably fixed, and the protection on the motor assembly is improved.
Owner:GUANGDONG GOBAO ELECTRONICS TECH CO LTD
Method for preventing stretch deformation and pollution during winding forming of rubber tape
InactiveCN111251589AMeet the requirements of automatic windingAvoid pollutionPackagingDomestic articlesInsulation layerPhysical chemistry
The invention relates to a method for preventing stretch deformation and pollution during winding forming of rubber tape, and belongs to the technical field of rubber winding forming. Double-backing rubber tape composed of rubber tape, a release film and a protective film is adopted. The double-backing tape composed of the rubber tape, the protective film and the release film is wound into a discbefore winding. In the winding process, firstly, an ultrasonic cutting technology is adopted to cut off the polluted edge of the wound tape, and the tape reaches the winding width; secondly, the protective film on the upper layer is stripped before the tape is heated, and the upper surface of the tape does not make contact with other components any more in the heating and winding processes; and finally, after the tape is wound around a core mold, the release film is stripped from the rubber tape and recovered. According to the method for preventing stretch deformation and pollution during winding forming of the rubber tape, the rubber tape can be prevented from being deformed and even fractured under stress, the winding quality of a rubber heat-insulation layer is ensured, the automatic winding requirement of the rubber heat-insulation layer is met, and the wound tape can be prevented being polluted in the processes of belt forming, transportation, storage and winding forming.
Owner:DALIAN UNIV OF TECH
Permanent magnet driven stirrer
InactiveCN107754655AExtended service lifeGuaranteed transmission performanceRotary stirring mixersTransportation and packagingDrive shaftArchitectural engineering
The invention discloses a permanent magnet driven stirrer which comprises a supporting base. The upper surface of the supporting base is fixedly connected to a stirring box; a feeding pipe is fixedlymounted on the left side of the stirring box; a permanent magnet motor is fixedly mounted on the top of the stirring box; a mechanical sealing device is arranged between the bottom of the permanent magnet and the stirring box; the outer surface of the permanent magnet motor is fixedly connected to a fixed rack; a recovery tank is arranged on the lower side of the supporting base; the lower surfaceof the supporting base is fixedly connected to a conveying pipe; and the top of the conveying pipe penetrates through the supporting base and is connected to the stirring box. A common motor is replaced by the permanent magnet motor, so that the transmission property of power can be ensured, deformation, even crack, of a transmission shaft is subjected to a radial force for a long time during usecan be avoided, the service life of the motor can be prolonged, normal operation of the stirrer can be ensured, and the permanent magnet driven stirrer is more convenient to use.
Owner:蔡洁钟
A kind of solid rocket motor thermal insulation layer automatic winding equipment and using method thereof
ActiveCN111251590BWith automatic windingRealize automatic windingMetal working apparatusRotational axisInsulation layer
Owner:DALIAN UNIV OF TECH
A root canal file grinding flexible jig device
ActiveCN112045507BAvoid deformation or even breakageImprove reliabilityGrinding carriagesOther manufacturing equipments/toolsEngineeringMechanical engineering
The invention provides a root canal file grinding flexible fixture device, which belongs to the technical field of root canal file grinding. It includes an L-shaped swing arm, a swing arm rotation pin, a sliding block, and a ball joint seat. The two ends of the bracket are provided with raised support tables, and the support tables are provided with material holes. The L-shaped swing arm is hinged on the swing arm through the swing arm rotation pin. On the bracket, the upper side of one end of the L-shaped swing arm is provided with a V-shaped support groove, the other end of the L-shaped swing arm is provided with a ball head groove, the screw rod can be rotated and arranged on the two screw rod supports, and the slider can slide Set on the slide rail, the screw is connected with the screw nut, and the ball joint seat is installed on the upper end of the slider. The ball joint seat includes a ball head and a support rod, and the ball head of the ball joint seat is embedded in the L The ball head groove of the swing arm. The invention realizes the real-time support of the root canal file through the V-shaped support groove on the L-shaped swing arm, can limit the deformation or even breakage of the root canal file during the grinding process, and greatly improves the grinding process of the root canal file. reliability and stability.
Owner:桐乡市三精自动化科技有限公司 +1
Boarding bridge lifting device
The invention discloses a boarding bridge lifting device comprising a beam and an inner guide pipe, wherein a locating hole is relatively formed in the beam; the inner guide pipe is inserted into the beam via the locating hole; the inner guide pipe is welded with the beam; a plunger type hydraulic cylinder is arranged in the inner guide pipe; an outer guide pipe capable of sliding up and down is sleeved on the inner guide pipe; the outer guide pipe is connected with the plunger type hydraulic cylinder by an upper fixing seat; the hydraulic cylinder is connected with the beam by a lower fixing seat; a hydraulic power device is arranged on the beam; and the plunger type hydraulic cylinder is driven by the hydraulic power device.
Owner:THYSSENKRUPP AIRPORT SYSTEM (ZHONGSHAN) CO LTD
A lens adjustment module and projection device
The invention discloses a lens adjustment module and a projection device. The lens adjustment module is used for adjusting the position of a lens and comprises a fixing seat, a movable pivot seat, a first adjustment rod and a second adjustment rod. The movable pivot seat is used for being fixedly connected with the lens, so that the lens moves along with the movement of the movable pivot seat. The first adjustment rod is provided with a first end and a second end which are opposite to each other, the first end is in pivot joint with the fixing seat, and the second end is in pivot joint with the movable pivot seat. The second adjustment rod is provided with a third end and a fourth end which are opposite to each other, the third end is in pivot joint with the fixing seat, and the fourth end is in pivot joint with the movable pivot seat. The first adjustment rod is used for rotating so as to drive the movable pivot seat to move in the first direction relative to the fixing seat. The second adjustment rod is used for rotating so as to drive the movable pivot seat to move in the second direction relative to the fixing seat.
Owner:QISDA OPTRONICS (SUZHOU) CO LTD +1
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