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58results about How to "Act as pressure" patented technology
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Intelligent mattress
InactiveCN108185723AFit sleep stateScientific sleep stateStuffed mattressesSpring mattressesComputer sciencePressure sensor
The invention discloses an intelligent mattress and belongs to the technical field of intelligent furniture. In order to solve the problem of single function of the mattress, the intelligent mattresscomprises a mattress body, wherein a wrapping layer is arranged on the periphery of the mattress body, and a mattress core is arranged in the wrapping layer. The intelligent mattress is characterizedin that a pillow part is arranged at the front part of the mattress body and is internally provided with a sleep monitoring device; a detecting layer and a heating layer are arranged between the upperside of the inner wall of the wrapping layer and the mattress core from top to bottom in sequence; the detecting layer comprises a thin-film temperature sensor and a thin-film pressure sensor which are respectively positioned at the lower part and the upper part; a plurality of air bags distributed at equal intervals are arranged at the lower part of the heating layer; one end of each air bag isconnected with a hose; the hoses penetrate through holes formed in the mattress body and extend into a control box; the control box is internally provided with an air pump and a controller. The intelligent mattress disclosed by the invention has the characteristics of temperature-humidity control and mattress softness-hardness adjustment.
Owner:郑州神盾智能科技有限公司
Preparation method of thermal insulation microsphere filler with high emissivity and ablation resistance
ActiveCN110041091AHigh emissivityLarge specific surface areaCeramicwareThermal insulationMicrosphere
The invention relates to a preparation method of thermal insulation microsphere filler with high emissivity and ablation resistance. The preparation method of the thermal insulation microsphere fillerwith high emissivity and ablation resistance comprises the steps as follows: preparation and mixing of powder, preparation of precursor slurry, preparation of precursor powder, sintering and the like. Compared with the prior art, the preparation method has the advantages that the production efficiency is high, the production period is short, equipment is simple, operation is convenient, preparedspray powder has better degree of sphericity and special pore structures, and a coating prepared from microspheres as filler has low mass ablation rate, high self-radiance and good mechanical properties and can effectively resist heat flow impact of 800 kW / m<2> or above and protect matrixes from deformation and failure due to high temperature erosion.
Owner:SHANGHAI JIAO TONG UNIV
Nut sheller
InactiveCN105395105ADoes not cause splashesEasy to packKitchen equipmentElliptic cylinderScrew thread
The invention discloses a nut sheller. The nut sheller comprises a shell, a first pressure applying part and a second pressure applying part, wherein the shell comprises an upper shell body and a lower shell body which are detachably connected and are communicated with each other vertically, and the inner walls of two opposite side faces in the width direction of the upper shell body are provided with strip-shaped blocking blocks for dividing the upper shell body into a first space and a second space; the first pressure applying part is arranged in the first space, and comprises a fixing shell and a screw, the screw is in threaded connection with one side surface of the upper shell body, a first rotation handle is arranged on the head part of the screw, a lock nut is arranged on the rod part of the screw, and a plurality of serrated first bumps are arranged on the inner wall of the fixing shell; the second pressure applying part is arranged in the second space, and is an elliptic cylinder horizontally arranged, two opposite nut grooves are arranged on the side surface of the second pressure applying part, and the middle part of the second pressure applying part is fixedly connected with the middle part of a rotation shaft. The nut sheller has the advantages of being simple in structure and convenient to operate, and being safe and sanitary, and relatively complete nut kernels can be obtained.
Owner:莫水娇
Rod body piston resistance-increase yielding anchor rod and construction method
The invention discloses a rod body piston resistance-increase yielding anchor rod and a construction method. The problem is solved that a resistance-increase structure of an anchor rod is easily blocked. By arranging a sleeve outside an anchor rod body and changing the thickness of the wall of the sleeve, the thickness of the wall of the sleeve gradually changes, and accordingly a yielding effectis realized. In the technical scheme, the anchor rod comprises the sleeve, the sleeve is of a hollow structure, and sleeves the rod body, the end, serving as an anchoring segment, of the rod body extends into the tail end of the sleeve and is connected with a resistance-increase structure, and the other end of the rod body extends to the outer side of the head end of the sleeve and is connected with an anchor head. The thickness of the wall of the part, corresponding to the anchoring segment of the rod body, of the sleeve is gradually decreased from head end to tail end, and when the anchor rod gradually pushes a soil body forwards, the wall of the sleeve deforms and is lengthened to realize yielding.
Owner:SHANDONG UNIV
Supporting steel frame for weak surrounding rock tunnel and construction method
ActiveCN111075475AEasy constructionMonitor stabilityUnderground chambersDrainageEconomic benefitsRock tunnel
The invention relates to a supporting steel frame for a weak surrounding rock tunnel. The supporting steel frame for the weak surrounding rock tunnel comprises a lining layer, a concrete spraying layer, an initial supporting layer, anchor rods, a supporting rigid frame, a drainage system and a top connecting steel base operating platform vehicle; the initial supporting layer is located in the outermost layer of the tunnel, the concrete spraying layer is arranged on the inner side of the initial supporting layer, and the lining layers arranged on the inner side of the concrete spraying layer; the supporting rigid frame is arranged on the inner side of the lining layer, the anchor rods penetrates into the surrounding rock of the initial supporting layer, and the inner ends of the anchor rodsare connected with the supporting rigid frame; the drainage system is arranged on the ground of the tunnel, and the drainage system comprises a reserved drainage, drainage channels and drainers. Thesupporting steel frame for the weak surrounding rock tunnel has the beneficial effects that a anchor structure is provided with an own monitor, the stability of the overall structure can be monitoredin time, and timely warning can be achieved before the accident, so that the construction of the pressure-receding anchor structure is convenient, and the structure is simple; and other excessive structures for playing the role of pressure-receding are not required, and good economic and technical benefits are achieved.
Owner:ZHEJIANG ZHENGFANG TRAFFIC CONSTR CO LTD
Fertilizer granule intermittent compression type grinding device for agriculture
The invention discloses a fertilizer granule intermittent compression type grinding device for agriculture. The fertilizer granule intermittent compression type grinding device comprises a base, a first driving motor, a cylinder body, a grinding rotating tube, a grinding head and a second driving motor, wherein the cylinder body is arranged under a moving rod A; a piston is glidingly arranged inside the cylinder body; the moving rod A is fixedly welded at the upper surface of the piston; a rolling wheel is rotationally arranged at the upper end of the moving rod A; a moving rod B is fixedly welded at the lower side of the piston; a connecting plate is arranged at the lower end of the moving rod B; a grinding shaft is arranged on the lower surface of the connecting plate through screw threads; the grinding head is fixedly arranged at the lower end of the grinding shaft. During the grinding, the grinding head at the lower end of the grinding shaft vertically moves; a pressurization effect is achieved; the grinding intensity is improved; the grinding effect is greatly improved, so that the fertilizer granule is more exquisite; the fertilizer dissolution is facilitated; the grinding rotating tube intermittently performs positive rotation and reverse rotation; compared with that of the single-direction rotation, the grinding effect is better; the condition of incomplete grinding iseffectively avoided.
Owner:倪为勇
Pressing die for switching box
The invention discloses a pressing die for a switching box. The pressing die comprises an upper heating plate with a male die and a lower heating plate with a female die. A side threaded plate is arranged between the male die and the female die. A side threaded molding core is arranged on the side threaded plate. The threaded molding core is arranged on the male die. A core rod opposite to the threaded molding core and a push rod penetrating the lower heating plate are arranged on the female die. The push rod is connected with a push plate. A center shaft with an air cylinder is connected to the bottom of the push plate. A supporting plate is connected to the lower heating plate. A guiding rod is arranged inside the supporting plate. A molding cavity of the switching box is defined by the male die, the female die, the threaded molding core, the core rod and the side threaded molding core. The pressing die aims at solving the problems that labor is wasted when a base body of an existing switching box is taken out from a lower die plate and the product machining efficiency is low.
Owner:CHONGQING XIN CHUAN TA IND
Pressure-adjustable traditional Chinese medicine grinding device
The invention discloses a pressure-adjustable traditional Chinese medicine grinding device. The pressure-adjustable traditional Chinese medicine grinding device comprises a grinding box, a grinding groove, a rectangular sliding frame, a ball lead screw and a grinding roller, wherein the grinding groove is installed on the sliding rod in a sliding mode, the rectangular sliding frame is installed between a sliding rail on the lower surface of a first separation plate and a sliding rail on an upper surface of the second separation plate in a sliding mode, an output shaft of a driving motor extends forwards and extends into the rectangular sliding frame, and an output shaft of the driving motor is provided with a special-shaped gear in an interference fit manner inside the rectangular slidingframe. The grinding groove is driven to slide left and right, the grinding roller is matched and fixed to grind the Chinese herbal medicines inside the grinding groove, an grinding effect is greatly improved, meanwhile, the screening speed of screening the traditional Chinese medicine in the grinding groove can be increased through left and right movement of the grinding groove, the grinding roller can be adjusted downwards in the grinding process, so that the distance between the outer circle of the grinding roller and a sieve plate inside the grinding groove is adjusted, a pressurization function is achieved, then the medicinal materials are more finely ground, and the situation that the remaining medicinal materials are not ground in place is avoided.
Owner:扬州凤昌智能科技有限公司
Assembled green thermal-insulation quakeproof wall and preparation method thereof
PendingCN108978939AAct as pressureEasy to install and disassembleWallsHeat proofingThermal insulationAdhesive
Owner:云南浩如环保科技有限公司
Formaldehyde removal device facilitating chip removal
InactiveCN112024527AGood dealdehyde effectImprove the effect of removing formaldehydeNon-rotating vibration suppressionDispersed particle separationProcess engineeringManufacturing engineering
The invention relates to the field of furniture factory furniture formaldehyde removal devices, in particular to a formaldehyde removal device facilitating chip removal. The formaldehyde removal device comprises a base, a damping structure, a stamping structure, a take-up structure, a limiting structure and a processing structure; the stamping structure is installed on the base, the interior of acontainer containing a formaldehyde removal agent can be continuously pressurized through a labor-saving treading action of a lever, and the formaldehyde removal agent can be finally sprayed out in amist shape, so that the labor-saving effect can be achieved, the formaldehyde removal effect can be better, gas can be extruded into another container, it can be guaranteed that final gas is sprayed out at high pressure, wood chips and dust accumulated on the surface of furniture can be removed in time, and subsequent formaldehyde removal work can be better conducted; and through the installationof the take-up structure, a pipeline can be wound and stored, not only can the pipeline be conveniently drawn to carry out ash removal and formaldehyde removal work on the large-area furniture, but also the pipeline can be automatically wound and stored after the work is finished.
Owner:杭州昕华信息科技有限公司
Efficient and energy-saving injection mold with core pulling function
The invention discloses an efficient and energy-saving type injection mold with the core pulling function. The efficient and energy-saving type injection mold with the core pulling function comprises a material tank and a shell. The material tank is arranged at one end of the top of the shell, the bottom end of the material tank extends to the middle height position in the shell, and a partition plate is vertically welded to the position, on one side of the material tank, in the shell. A feeding chamber is formed on the side, close to the material tank, of the partition plate in the shell. According to the efficient and energy-saving type injection mold with the core pulling function, a pair of piston cylinders for containing molten materials in a reciprocating manner is symmetrically connected to a main material conveying pipe, and a set of fixed mold and movable mold for injection molding are arranged in the shell and a connecting box, so that the fixed mold and the movable mold at the shell and the connecting box can be used for alternately and intermittently machining and producing plastic parts; and the main conveying pipe can continuously convey the materials, continuous feeding of the main conveying pipe cannot block a pipeline, the injection molding efficiency is improved, the volume of the materials needing to be injected in each time of injection molding production is easier to control, and the product quality is higher.
Owner:FOSHAN MASTER TOYS
Carbon sequestration and supplementation reactor for gas circulation type microalgae cultivation
PendingCN110479131AExtended reaction timeWell mixedBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringCarbon sequestration
The invention discloses a carbon sequestration and supplementation reactor for gas circulation type microalgae cultivation. The carbon sequestration and supplementation reactor comprises a shell, an inner sleeve, a liquid inlet pipe, a gas inlet pipe, a fixed support and a gas circulation pipeline. The fixing support is installed in the shell, and the bottom end of the fixing support communicateswith the bottom end in the shell. The inner sleeve is fixed at the top end of the fixing support, the inlet end of the liquid inlet pipe extends out of the shell, and the outlet end extends into the inner sleeve; one end of the air inlet pipe communicates with the bottom of the inner sleeve, and the other end communicates with an air supply device; one end of the gas circulation pipeline is communicated with the top end of the shell, and the other end is communicated with the gas supply device. The carbon sequestration and supplementation reactor also comprises a liquid outlet pipeline which is communicated with the bottom end of the shell. According to the carbon sequestration and supplementation reactor, the CO2 is fully dissolved in the liquid, and the carbon sequestration and supplement efficiency is improved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Solid waste integrated drying system based on environmental protection
PendingCN109307407AImprove work efficiencyPlay the role of recycling and reprocessingDrying gas arrangementsDrying solid materialsLiquid wastePulp and paper industry
The invention relates to the technical field of solid waste drying, and discloses a solid waste integrated drying system based on environmental protection. According to the system, solid waste and liquid waste can be effectively separated, and effective components in liquid can be recycled. The solid waste integrated drying system structurally comprises a drying machine, wherein a fan is connectedto one side of the drying machine, a discharge opening is formed in the bottom, an auxiliary heating device wraps the outer side of the drying machine, the auxiliary heating device comprises an annular box body which wraps the outer side of the drying machine, a conduction oil coil is wound in the annular box body, an oil inlet and an oil outlet of the conduction oil coil respectively protrude from one side of the annular box body and are connected with the heating device, the top of the drying machine is connected with the top of a vapor and liquid separation tank by virtue of a first connecting pipe, a first ball valve is arranged on the first connecting pipe, and a liquid recovery pipe is further arranged between the vapor and liquid separation tank and the drying machine. The solid waste integrated drying system has the advantages of simplicity in operation and convenience in use and can be used in various places.
Owner:ZHEJIANG EUCHEM CHEM
Bone-setting pin-board system
ActiveCN108652727AImprove the fixing strengthIncreased axial stabilityBone platesPull forceBone damage
The invention provides a bone-setting pin-board system, which comprises a first fixing part (1) and a second fixing part (2), wherein the first fixing part (1) and the second fixing part (2) are integrally formed, fixedly connected or detachably connected; the first fixing part (1) comprises a main bone plate (101), and the main bone plate (101) is fixedly connected with a main nail (102) ; the second fixing part (2) comprises one or more branch bone plates (201), and the bone plate (201) is fixedly connected with a sub-nail (202) ; a plurality of bone plates (201) form an included angle or are parallel to each other in the length extension direction; a barbed structure (400) is arranged on the main nail (102) and / or the sub-nail (202). According to the invention, the Y-shaped nail designis adopted, the angle is fixed, the fixed strength is larger, and the axial stability is higher; a barbed structure is adopted on the main nail and the sub-nail, the knocking implantation is convenient, and the anti-pulling force of the nails after being implanted is higher; the bone damage to the metaphyseal end of a child is small, the amount of bone is reduced, and the interference of the inner-implanted object to the healing and development of the metaphyseal end is reduced.
Owner:WUXI PEOPLES HOSPITAL
Pressing die for meter housing
Owner:CHONGQING XIN CHUAN TA IND
A multi-stage magnetic liquid sealing device
Owner:BEIJING JIAOTONG UNIV
Tunnel Supporting Steel Frame and Construction Method in Weak Surrounding Rock
ActiveCN111075475BEasy constructionMonitor stabilityUnderground chambersDrainageArchitectural engineeringRock tunnel
The invention relates to a supporting steel frame of a tunnel with weak surrounding rock, including a lining layer, a concrete sprayed layer, an initial supporting layer, an anchor rod, a supporting rigid frame, a drainage system and a top connection steel seat operating platform vehicle; the initial supporting layer is located in the tunnel The outermost layer, the inner side of the primary support layer is the concrete sprayed layer, and the inner side of the concrete sprayed layer is the lining layer; The rigid frames are connected; the drainage system is set on the tunnel ground, and the drainage system includes reserved drainage grooves, drainage grooves and drainers. The beneficial effects of the present invention are: the bolt structure of the present invention has its own monitoring instrument, which can monitor the stability of the overall structure in time, and can provide timely early warning before accidents, so that the construction of the anchor bolt structure is convenient and the structure is simple. There is no need for other excessive structures to play the role of giving way, and it has good economic and technical benefits.
Owner:ZHEJIANG ZHENGFANG TRAFFIC CONSTR CO LTD
Platform surface cleaning mechanism
PendingCN111299255AContinuous cleaningWon't scratchCleaning processes and apparatusSurface cleaningEnvironmental engineering
The invention relates to the technical field of equipment maintenance, and discloses a platform surface cleaning mechanism. The platform surface cleaning mechanism comprises a main frame, a cleaning assembly, a dust collection assembly, a connecting assembly and a driving assembly, wherein the cleaning assembly comprises a cleaning roller; a viscous layer used for cleaning a platform is arranged on the roller surface of the cleaning roller; the dust collection assembly comprises a dust collection roller; a viscous layer used for cleaning the cleaning roller is arranged on the roller surface ofthe dust collection roller; the connecting assembly comprises an elastic part; the cleaning assembly is connected with the dust collection assembly through the elastic part; the driving assembly comprises a driver; and the driver is arranged on the main frame, and can drive the dust collection roller to be in rolling contact with the cleaning roller. According to the platform surface cleaning mechanism, the dust collection roller can be in rolling contact with the cleaning roller, the cleaning roller can be in rolling contact with the platform, dust on the platform can be stuck by the dust collection roller after being stuck by the cleaning roller, and dust cleaned by the cleaning roller is transferred onto the dust collection roller; and the viscous layer on the dust collection roller ismanually changed regularly to keep the surface of the cleaning roller clean, the cleaning roller can continuously clean dust on the platform, and the surface of the platform is not liable to scratch.
Owner:苏州科韵激光科技有限公司
Fireproof roller shutter security door with fire extinguishing mechanism
PendingCN113969743AAct as pressureEfficient and fast extinguishingBurglary protectionShutters/ movable grillesEngineeringStructural engineering
The invention discloses a fireproof roller shutter security door with a fire extinguishing mechanism, and relates to the technical field of fireproof roller shutter security doors with fire extinguishing mechanisms. The fireproof roller shutter security door comprises a box body structure, a pressurization structure, a spraying fire extinguishing structure, an alarm structure, a maintenance structure, a rotating structure, a door curtain structure and an anti-theft structure, a bolt is arranged at one end of a box door, a mounting notch is formed in the surface of one side of a shell, the bolt is connected with the mounting notch, the lower surface of a water tank is connected with the lower surface in the shell, and an inner pipe is mounted on the inner surface of an outer pipe; and one end of a spraying opening is connected with the outer surface of the outer pipe, one side surface of a temperature sensor and one side surface of an alarm are connected with one side surface of a frame body, one side surface of a fixing groove box is connected with one side surface of the frame body, and the lower surfaces of two U-shaped sliding grooves are connected with the upper surface of the fixing groove box. According to the fireproof roller shutter security door with the fire extinguishing mechanism, a water pump and the spraying opening are arranged, the water pump plays a role in pressurization, liquid water is pressurized through the water pump and flows out of the spraying opening to form a water curtain door, and fire can be extinguished efficiently and rapidly.
Owner:江苏省光华科技发展有限公司
Pressurizing main pump and vehicle hydraulic braking system
PendingCN112793554AGood braking experienceAvoid Brake Grip IncreasesFluid braking transmissionCycle brakesControl theoryMechanical engineering
The invention relates to the technical field of braking, and in particular relates to a pressurizing main pump and a vehicle hydraulic braking system. The pressurizing main pump comprises a pump body, a first piston, a second piston, a first elastic piece and a second elastic piece. The pump body is provided with an oil cavity, a first piston cavity and a second piston cavity, the oil cavity is communicated with the first piston cavity, and the pump body is provided with an oil outlet communicated with the second piston cavity; the axis of the first piston cavity coincides with the axis of the second piston cavity, and the inner diameter of the first piston cavity is larger than that of the second piston cavity; the first piston matches the first piston cavity in a sliding manner; the second piston comprises a first branch part and a second branch part, the first branch part matches the second piston cavity in a sliding mode, and the second branch part matches the second piston cavity in a sliding mode; the two ends of the first elastic piece abut against the first piston and the first branch part correspondingly, and the two ends of the second elastic piece abut against the second branch part and the second piston cavity correspondingly. The pressurizing main pump can provide better braking experience for a rider.
Owner:HUBEI HANGTE TECH CO LTD
Material sorting system
InactiveCN110860467AImprove sorting efficiencyWill not polluteGas current separationPlastic recyclingConfined spaceStructural engineering
The invention discloses a material sorting system. The material sorting system includes an air suction hood which feeds air and materials to be sorted, a fan which communicates with the air suction hood through a first pipeline and generates suction, a dust remover which communicates with the fan through a second pipeline, and the cross sectional area of the second pipeline is smaller than the cross sectional area of the first pipeline. The material sorting system takes up less space, sorts in a more confined space, and is more environmentally friendly.
Owner:SUZHOU JONO RECYCLING RESOURCES EQUIP
Nozzle and oral irrigator
PendingCN114748200AAct as pressureAppropriate removalTooth rinsingSpray nozzleStructural engineering
The spray nozzle comprises a spray rod part and a spray head part, the spray rod part and the spray head part are connected through a bent part in arc-shaped bent transition, a first flow channel is formed in the spray rod part, an arc-shaped bent flow channel communicated with the first flow channel is formed in the bent part, and the arc-shaped bent flow channel is communicated with the first flow channel. An arc-shaped bent flow channel is arranged in the nozzle part, the arc-shaped bent flow channel is of a flat structure, a second flow channel is arranged in the nozzle part, the nozzle part is provided with an incident port communicated with the arc-shaped bent flow channel and an emergent port communicated with the second flow channel, and the second flow channel is gradually expanded from the incident port to the emergent port. The nozzle has the performance of removing stubborn dirt in addition to the performance of improving the flushing effect and giving comfort to a user.
Owner:SHENZHEN RISUN TECHNOLOGY CO LTD
Locking Compression Screw-Plate System
The invention provides a locking compression nail plate system for setting a bone. The system comprises a first fixing part (1) and a second fixing part (2). The first fixing part (1) and the second fixing part (2) are integrally formed and fixedly connected or detachably connected; the first fixing part (1) comprises a main bone plate (101), and a main rod locking hole (110) is formed in the mainbone plate (101); the second fixing part (2) comprises multiple branch bone plates (201), and auxiliary nails (202) are tightly fixed to the branch bone plates (201); the branch bone plates (201) include wavy parts (203). A Y-shaped nail plate design is adopted, a bone block is fixed at an angle after the system is implanted, the fixation strength is higher, and the axial stability of bone fractures is higher; a main nail and the auxiliary nails are of inverse thorn structures, the system is implanted by knocking, implantation is convenient, and a pull-out resistant force is higher; the inverse thorn-liked nails have less damage to metaphysis sclerotin of children, less bone amount is needed, and interference of internal implants on healing and development of metaphyseal bone fractures isreduced. By bending the wavy parts, the effect of pressurization can also be achieved to prevent formation of bone fracture gaps.
Owner:WUXI PEOPLES HOSPITAL
Lateral electrode assembly of petroleum well logging instrument and manufacturing method thereof
Disclosed are a lateral electrode assembly of a petroleum well logging instrument and a manufacturing method thereof. The lateral electrode assembly includes a support body, an insulating layer, a fiber-reinforced resin layer, one or more wires, and a ring electrode. The side electrode assembly does not require oil injection and a pressure balance device, which simplifies the structure of the electrode assembly and reduces maintenance work.
Owner:CNPC GREATWALL DRILLING ENG +1
A kind of preparation method of high emissivity ablation-resistant heat-insulating microsphere filler
Owner:SHANGHAI JIAOTONG UNIV
Lined packing box and packing method
InactiveCN103043280BImprove space utilization efficiencyUnder high pressureRigid containersHoneycombEngineering
The invention discloses a lined packing box. The lined packing box comprises a honeycomb type liner, at least one cavity communicating the top with the bottom is arranged in the honeycomb liner, a cover plate is arranged above the honeycomb liner, and a bottom plate is arranged below the honeycomb liner. Surrounding plates are arranged on the outer periphery of the honeycomb liner. Cover plate protrusion blocks are arranged at the lower end of the cover plate, surrounding plate grooves corresponding to the cover plate protrusion blocks are arranged at the upper ends of the surrounding plates, bottom plate grooves are arranged at the upper end of the bottom plate, and surrounding plate protrusion blocks corresponding to the bottom plate grooves are arranged at the lower ends of the surrounding plates. Cover plate grooves corresponding to the cover plate protrusion blocks are arranged at the upper end of the cover plate, and bottom plate protrusion blocks corresponding to the bottom plate grooves are arranged at the lower end of the bottom plate.
Owner:江苏时代天勤彩色包装有限公司
Gear finish machining device and method
InactiveCN112475477AEasy to installSimple and fast clamping and fixing methodGear-cutting machinesGear teethGear grindingGear wheel
The invention relates to the field of gear machining, and discloses a gear finish machining device. The gear finish machining device comprises a cutter mounting unit and a gear mounting unit, whereinthe gear mounting unit comprises a mounting table and a fixture; a rotating piece for driving the fixture to rotate is mounted on the mounting table; the fixture comprises a support box, a fixed column, a positioning shaft and a stop cover; the fixed column is positioned at the top end of the support box, and is fixedly connected with the support box; the bottom of the positioning shaft penetratesthrough the top end of the support box; the top end of the positioning shaft penetrates through the top end of the fixed column, and is in vertical sliding fit with the fixed column; a gear is inserted in the outer side of the fixed column; the stop cover can cover the upper part of the fixed column; the stop cover is provided with a first shaft hole for penetrating through the positioning shaft;a limiting block is arranged at the upper part of the positioning shaft; a lifting unit for driving the positioning shaft to vertically move back and forth is mounted in the support box; when the positioning shaft downwards moves, the limiting block can press the stop cover; and the stop cover is provided with a through groove for penetrating through the limiting block. The gear finish machiningdevice can improve the gear grinding efficiency, and is fast and convenient to clamp the gear.
Owner:CHONGQING XINGJI GEAR
Anti-rotation and anti-retreating double-thread hollow screw
ActiveCN112716585AAct as pressureImprove pullout resistanceInternal osteosythesisEngineeringCannulated screw
The invention relates to the field of medical screws, and in particular, relates to an anti-rotation and anti-retreating double-thread hollow screw which comprises a screw main body, and the interior of the screw main body is hollow and the two ends of the screw main body are provided with openings; the screw main body comprises a columnar rod body and a screw tail integrally formed at one end of the columnar rod body, and a tail external thread is processed on the outer wall of the end, close to the screw tail, of the columnar rod body; and a head multi-thread is processed on the outer wall of the end, away from the screw tail, of the columnar rod body, and the lead of the tail outer thread is larger than or smaller than that of the head multi-thread. According to the anti-rotation and anti-retreating double-thread hollow screw, due to the arrangement of the tail external thread and the head multi-thread, when the double-thread hollow nail is screwed into a bone, a displacement difference is formed, so that the pressurizing and anti-pulling effects are achieved, and the possibility that the double-thread hollow nail retreats and rotates after being implanted is reduced; and meanwhile, a solid rod inner core is arranged in the screw main body, so that the strength of the hollow screw is greatly improved.
Owner:北京中安泰华科技有限公司
An anti-rotation and anti-retreat double-threaded hollow nail
The present application relates to the field of medical screws, in particular to a double-threaded hollow screw with anti-rotation and anti-return, comprising a screw body with a hollow interior and openings at both ends, the screw body comprising a cylindrical rod body and a nail tail integrally formed at one end of the cylindrical rod body The outer wall of the cylindrical rod body close to the end of the nail tail is processed with a tail external thread, and the outer wall of the cylindrical rod body away from the nail tail is processed with a head multi-thread thread, and the lead of the tail external thread is greater than or smaller than that of the head multi-thread thread . The arrangement of the external thread at the tail and the multi-thread thread at the head in this application makes the double-threaded hollow nail form a displacement difference when it is screwed into the bone, so as to exert pressure and anti-pull, and reduce the implantation of the double-threaded hollow nail. The possibility of screw withdrawal and rotation occurs later; at the same time, by arranging a solid rod inner core in the screw body, the strength of the hollow screw is greatly improved.
Owner:北京中安泰华科技有限公司
A limit pressure mechanism
InactiveCN103953622BImproved pressure stabilityAct as pressureEngine sealsSecuring devicesEngineeringAir tightness
The invention discloses a spacing pressing mechanism which comprises a pressing block and a support plate connected with the pressing block, wherein the arrangement of the pressing block and the support plate takes an L shape; the pressing block and the support plate adopt an integral structure; a penetration hole is formed in the pressing block; a first compression leg is inserted in the penetration hole; a first buckle cap is arranged at the end part of the first compression leg; a first catching groove is formed in the outer peripheral surface in the joint of the first buckle cap and the first compression leg; an insertion hole is formed in the support plate; a force transmission shaft is inserted in the insertion hole; a first fastener is arranged at one end of the force transmission shaft; a second fastener is arranged at the other end of the force transmission shaft; the first fastener is bucked in the first catching groove; the other end of the force transmission shaft is connected with a second compression leg; a second buckle cap is arranged at the end part of the second compression leg; a second catching groove is formed in the outer peripheral surface in the joint of the second buckle cap and the second compression leg; the second fastener is bucked in the second catching groove. According to the spacing pressing mechanism, the pressing effect can be achieved, the plane can be pressed by the pressing block, the point can be pressed by the first compression leg, the water-proof rubber and the like can be flattened and the air tightness is better.
Owner:海门市飞鹭制冷设备有限公司
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