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39results about How to "Prevent being crushed" patented technology
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Electrical connector
ActiveCN107230851AAvoid deformationDoes not affect settingsElectric discharge tubesSecuring/insulating coupling contact membersElectricityComputer module
The invention discloses an electrical connector. The electrical connector is electrically connected with a chip module, and comprises a body, a plurality of insulating parts and a plurality of terminals, wherein the body is provided with a plurality of accommodating holes passing through the body from top to bottom; inner side faces of the accommodating holes and an upper surface of the body are conductive; the plurality of insulating parts are molded separately from the body, and correspondingly fixed in the accommodating holes respectively; the insulating parts are provided with supporting parts which extend upwards out of the accommodating holes, are higher than the upper surface of the body, and are used for supporting the chip module; the plurality of terminals are correspondingly fixed on the insulating parts respectively; and the terminals are provided with contact parts which are pressed against the chip module. The supporting parts are higher than the upper surface of the body, so that short circuit caused by contact of the chip module with the upper surface of the body can be avoided. The supporting parts extend out of the accommodating holes, so that the arrangement space of the supporting parts can be increased; the strength of the supporting parts is enhanced; the supporting effect for the chip module is improved; the chip module is prevented from being damaged under pressure; and the terminals are prevented from being deformed excessively under pressure.
Owner:DEYI PRECISION ELECTRONIC IND CO LTD PANYU
Cylindrical forced water drainage pipe with circulated evacuation function, devices and methods
PendingCN107829425ASuppress stressReach the cycle functionSoil preservationGratingMechanical engineering
The invention relates to a cylindrical forced water drainage pipe with a circulated evacuation function, a device and method used for soft foundation drainage consolidation and a device and method used for sludge water removal. The cylindrical forced water drainage pipe comprises a pipe body and gratings arranged on the outer surface of the pipe in the axial direction of the pipe, and the outer surfaces of the gratings are covered with filtering films.
Owner:汤连生
Agro-fruit picking device
The invention relates to a fruit picking device, and discloses an agro-fruit picking device. The agro-fruit picking device comprises a base body, a push rod and knife claws, wherein the push rod is sleeved with the base body, the two bent knife claws are clamped to form a cavity, and cutting edges are arranged on clamping openings of the knife claws. The agro-fruit picking device is characterized in that the bent corner portion of each knife claw is hinged to the base body, a strip-shaped hole is formed in the driving end of each knife claw, the end of the push rod is connected with the strip-shaped holes through a rivet, and the rivet can slide in the strip-shaped holes; two arc covers which are oppositely buckled to form an agro-fruit containing cavity are hinged in the knife claws, and elastic parts are connected between the outer wall faces of the arc covers and the inner walls of the knife claws. Compared with the prior art, the knife claws are opened larger, an agro-fruit is aligned and picked more easily and meanwhile prevented from being crushed, and the arc covers are arranged in the knife claws to further protect the agro-fruit.
Owner:CHONGQING NONGZHENG AGRI DEV CO LTD
ADN based single-component thruster adopting low-temperature plasma concerted catalysis
ActiveCN110259605AIndependently observe the ionization effectPlays the role of removing residual propellantRocket engine plantsCombustion chamberOptical testing
The embodiment of the invention discloses an ADN based single-component thruster adopting low-temperature plasma concerted catalysis. The ADN based single-component thruster comprises a spouting section, an ionization section, a catalysis section and a combustion chamber which are coaxially connected sequentially, wherein the two ends of the spouting section and the two ends of the ionization section are pressed by a front flange plate and a middle flange plate; an integrated structure formed by the catalysis section and the combustion chamber and the ionization section are pressed by the middle flange plate and a rear flange plate; the spouting section comprises the front flange plate, a front insulator and an anode chassis as well as gas and liquid supply tubes separately used for providing an ADN liquid propellant and gas; the ionization section comprises a cylindrical anode, a middle insulator, a barrel-shaped cathode, a rear insulator and the middle flange plate which are sequentially connected to the anode chassis; the middle flange plate and the front flange plate are matched and pressed through a locking bolt; the catalysis section comprises a rear flange plate and a catalysis bed; and the combustion chamber comprises an optical test window and a reserved sensor jointing base. The AND based single-component thruster has various ignition ways, and is of great significance in completely converting an existing catalysis dissociation ignition way.
Owner:INST OF MECHANICS - CHINESE ACAD OF SCI
Adjustable expansion mandrel
The invention relates to an adjustable expansion mandrel which comprises an adjustable mandrel, an ejection nut, an expansion sleeve and a bolt. A conical face is arranged at one end of the adjustable mandrel and is sleeved with the expansion sleeve fixed to the adjustable mandrel through the bolt, a gasket is arranged between the expansion sleeve and the bolt, the ejection nut fixed to the adjustable mandrel is arranged on the other side of the expansion sleeve, a semi-circular key is further arranged on the inner side of the expansion sleeve, and a key groove matched with the semi-circular key is formed in the conical face of the adjustable mandrel. The adjustable expansion mandrel has the advantages of being compact in structure, reliable in positioning, convenient to dismount, good in practicability and the like.
Owner:常州腾奇电器有限公司
Material clamp
Owner:GREE ELECTRIC APPLIANCES INC
Production line of foldable ballet shoes and production process of foldable ballet shoes
The invention relates to a production line of foldable ballet shoes. The production line comprises a first conveying device located on the upper layer and a second conveying device located on the lower layer, wherein the first conveying device and the second conveying device penetrate through a first oven, a second oven, a third oven and a freezing chamber in sequence; a grinding device for grinding shoe soles is arranged beside the material feeding end of the second conveying device; a plurality of auxiliary locating devices for adhering, assembling and locating the shoe soles and vamps are arranged beside the second conveying device located between the third oven and the freezing chamber. The production line greatly improves the working environment and avoids harm to the health of workers due to odor of glue and dust pollution to the environment; meanwhile, the layout is reasonable; the shoe soles and the vamps are independently heated without mutual influence, so that the quality of a product is improved.
Owner:FUZHOU LUYA SHOES
Anchorage cable anchoring construction method
InactiveCN101307590AReduced peak shear stressSimple processBridge structural detailsBulkheads/pilesCost ControlsEngineering
The invention relates to a process for fixing anchor line. The process is characterized in that the bottom end of an unbonded steel stranded wire is provided with a steel shearing barrel, the front end of which is provided with a bearing plate; when the anchor line is drilled, the anchor line structure adopts a cylindrical drill bit for hard rocks, a bottom enlarged end drill bit for soft rocks or soils and the combination of a self-boring drill bit and the shearing barrel for the stratum with easy hole collapse. The process has the advantages of simple and convenient mounting process and effective cost control, and improves the degree of safety of the operation condition of the anchor line.
Owner:孙玥
Multifunctional welding jig
InactiveCN107433419APrevent being crushedWelding/cutting auxillary devicesAuxillary welding devicesEngineeringCantilever
The invention relates to a multi-functional welding fixture, which includes a base and a column. The column is arranged on the base. The column is provided with a fixture 1 and a lighting lamp. The fixture 1 includes a sleeve, a cantilever rod, a connecting rod, a chuck, and a sleeve. It is slidingly connected with the column, the sleeve is connected with the cantilever rod, one end of the connecting rod is rotationally connected with the cantilever rod, and one side of the connecting rod is detachably connected with the chuck. The base is provided with a second clamp, which includes a base plate, a vertical plate, and a pressure plate , There are two symmetrical vertical plates on the bottom plate, the vertical plates are slidingly connected with the bottom plate, the opposite sides of the two vertical plates are slidingly connected to the pressure plate, the base is equipped with a controller and an alarm, and the lower end of the pressure plate is provided with a rubber layer, There is a pressure sensor between the pressure plate and the rubber layer, and the pressure sensor and the alarm are respectively connected to the controller. This invention solves the problem that the clamp can only be welded with a fixed size or fixed shape. The clamp can flexibly perform multi-angle welding work. And it provides lighting function.
Owner:李尚磊
Metal pipe bending machine
ActiveCN112775229AReduce shakingImprove stabilityShaping toolsMetal-working feeding devicesEngineeringMechanical engineering
The invention provides a metal pipe bending machine. The metal pipe bending machine comprises a supporting plate, wherein an air cylinder is fixedly connected to the position, close to one side, of the outer surface of the upper end of the supporting plate; a sleeve is movably connected to the outer surface of the other side of the air cylinder, and a baffle plate is fixedly connected to the outer surface of the other side of the sleeve; a first abutting ring is fixedly connected to the outer surface of the lower end of the baffle plate, and a second abutting ring is arranged on the outer surface of the upper end of the baffle plate; an abutting column is arranged in the position, far away from one side, of the outer surface of the upper end of the supporting plate; the first abutting ring and the baffle plate are both of an arc-shaped structure and form an integral structure; and the diameter of the first abutting ring is greater than that of the baffle plate. The metal pipe bending machine has the advantages that a user can conveniently adjust the position of the second abutting ring according to the diameters of different clamped pipes; the surface of the supporting plate can be scraped through a cleaning brush when the pipes with rust stains are bent, and the probability that the bending angle of the pipes deviates due to accumulation of the rust stains is reduced; and the use efficiency of the device is improved.
Owner:江苏众信绿色管业科技有限公司
Automatic pressure maintaining mechanism
PendingCN111958521AImprove pressure holding efficiencyPrevent being crushedWork holdersProcess engineeringEngineering
The invention discloses an automatic pressure maintaining mechanism. The automatic pressure maintaining mechanism comprises a connecting plate, a first pressure maintaining assembly and a second pressure maintaining assembly, wherein the first pressure maintaining assembly and the second pressure maintaining assembly are arranged below the connecting plate; the first pressure maintaining assemblyand the second pressure maintaining assembly are matched with each other in structure, the first pressure maintaining assembly and the second pressure maintaining assembly maintain the pressures of different parts of a workpiece correspondingly, and the first pressure maintaining assembly and the second pressure maintaining assembly have different pressure maintaining pressures on the workpiece. The automatic pressure maintaining mechanism has the beneficial effects that the pressure maintaining pressures can be monitored in real time while the pressure maintaining efficiency is improved, so that a product is prevented from being crushed while it is guaranteed that enough pressure maintaining pressure is provided.
Owner:SUZHOU RS TECH
Variable rigidity hydraulic damping shock absorber with self-adaptive variable damping function
PendingCN109667875AImproved torsional vibration performanceWith adaptive adjustment functionSpringsLiquid based dampersVariable stiffnessHydraulic cylinder
The invention discloses a variable rigidity hydraulic damping shock absorber with a self-adaptive variable damping function. The variable rigidity hydraulic damping shock absorber comprises a hydraulic cylinder body, a floating piston, a tappet rod and a return spring; the floating piston is arranged in the hydraulic cylinder body to divide an inner cavity of the hydraulic cylinder body into an upper cavity and a lower cavity and is in sealing sliding fit with the inner wall of the hydraulic cylinder body; the lower end of the tappet rod penetrates through the hydraulic cylinder body from thetop of the hydraulic cylinder body and is fixedly connected with the floating piston into a whole; the return spring is arranged in the lower cavity; the upper end of the return spring is connected with the floating piston; the lower end of the return spring is connected with the bottom of the lower cavity; a plurality of variable damping grooves are circumferentially distributed at the inner partof the hydraulic cylinder body in the length extension direction of the hydraulic cylinder body; and the inner cavity of the hydraulic cylinder body is filled with oil. The variable rigidity hydraulic damping shock absorber can realize self-adaptive damping adjustment; and the return spring which is a concave spiral spring is variable in rigidity to a certain extent, and with the increase of thecompression amount of the spring, the spring can provide greater resistance and can be prevented from being pressed to be stuck, so that the variable rigidity hydraulic damping shock absorber has a certain overload protection function.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1
Check ring combination for road manhole and steel support ring for installing check ring combination
ActiveCN102322076AIntegrity guaranteedPrevent being crushedArtificial islandsUnderwater structuresEngineeringStructural engineering
The invention provides a check ring combination for a road manhole and a steel support ring for installing the check ring combination, wherein the check ring combination for the road manhole comprises an upper check ring and a lower check ring, the upper check ring comprises an upper check ring body and an extension edge, the upper check ring body is in a cylinder structure, and the extension edge is connected with the lower end of the upper check ring body; the lower check ring comprises a first section of lower check ring in a cylinder structure, a second section of lower check ring in a cylinder structure and a third section of lower check ring in a cylinder structure, which are arranged vertically and sequentially, the second section of lower check ring is in a frustum-shaped cylinder structure, the lower end of the first section of lower check ring is connected with the big end of the second section of lower check ring, and the upper end of the third section of lower check ring is connected with the small end of the second section of lower check ring; and the extension edge is overlapped with the upper end of the first section of lower check ring. The influence of road settlement on the manhole can be avoided through the check ring combination for the road manhole and the steel support ring for installing the check ring combination.
Owner:浙江联塑科技实业有限公司
Fixing device for automobile portable non-breathable medical kit
InactiveCN111301845APrevent moistureEasy to operateFirst-aid kitsContainers to prevent mechanical damagePhysicsEngineering
The invention discloses a fixing device for an automobile portable non-breathable medical kit. The fixing device for the automobile portable non-breathable medical kit comprises a kit body, a top cover is arranged at the top of the kit body, connecting plates are arranged on the two sides of the box body, rotating plates are arranged at the tops of the connecting plates, the rotating plates are rotationally connected with the connecting plates through rotating bearings, one side of the top cover is rotationally connected with the side wall of the kit body through a rotating sleeve, and a plurality of breathable grooves are formed in the two side walls of the kit body. According to the fixing device, a breathable plate is ejected up through pressure springs on the two sides of the bottom ofthe breathable plate, so that the breathable plate is separated from the breathable grooves, air enters the kit body from one side, then the top cover drives the rotating sleeve to rotate, a connecting ring rotates, a rotating ring drives a connecting rope to be wound and contracted, a baffle at the bottom is pulled to ascend, therefore, the baffle can be mutually separated from the breathable grooves, the fixing device has the advantages that convenient opening and moving are achieved, heat dissipation and ventilation can be carried out on the interior, and moisture is prevented.
Owner:嘉兴红亮生物科技有限公司
Road structure with surface type water collecting function
InactiveCN108867241AWith surface water collection functionDoes not affect dischargeGround-workPaving gutters/kerbsPipeflowWater discharge
The invention discloses a road structure with a surface type water collecting function. The road structure comprises a soil layer, wherein a foundation layer is filled in the middle inside the soil layer; a first detritus layer is filled inside the soil layer and is positioned at the top of the foundation layer; a first water discharging pipe is movably connected inside the first detritus layer; aconcrete layer is filled inside the soil layer and is positioned at the top of the first detritus layer; the road structure relates to the technical field of a road structure. The road structure withthe surface type water collecting function has the advantages that through the arrangement of the first water discharging pipe and a second water discharging pipe under the ground, water under the ground fast enters the first water discharging pipe and the second water discharging pipe through water passing holes and is discharged away; the ground accumulated water spreading since the undergroundaccumulated water is too much and cannot be timely discharged is avoided; through a pentagonal support frame, the pipeline intensity is improved; the damage through pressing is avoided; through the arrangement and matching of a blocking net, a magnetic strip and a steel strip, the pipeline blockage caused by the entering of articles such as mice into the pipeline from the outside can be avoided;the inside water discharging cannot be influenced.
Owner:HENAN UNIV OF URBAN CONSTR
Medical detection test tube rubber plug conveying and assembling mechanism
The invention relates to the technical field of medical articles, and discloses a medical detection test tube rubber plug conveying and assembling mechanism. The mechanism comprises a rubber plug feeding device, a rubber plug conveying device and an assembling device. The discharging end of the rubber plug feeding device is in linkage with the feeding end of the rubber plug conveying device. The assembling device is in linkage to the position below the feeding end of the rubber plug conveying device. The rubber plug conveying device conveys rubber plugs to the assembling device. The medical detection test tube rubber plug conveying and assembling mechanism has the beneficial effects that glass tube inserting is conducted firstly, then, the rubber plugs are inserted in glass tubes, and theinserting depth of the glass tubes can be effectively and conveniently controlled. The situation that during rubber plug inserting, the glass tubes are inserted too long or too short is prevented, andthe inserting length can be controlled. The situation that during glass tube assembling, swinging or pressing breakage happens, and consequently the assembling effect is not good is prevented. Grabbing through other positioning devices or mechanical claws is not needed, and the grabbing precision and efficiency are improved. Through cooperation of rubber plug suction nozzles and the rubber plugs,rubber plug swinging is prevented, and the assembling efficiency is improved.
Owner:南京智海医学检验有限公司
Elastic bearing device and agricultural product packaging machine
PendingCN110435963APlay a buffer rolePrevent being crushedAffixing tagsWrapper twisting/gatheringAgricultural engineeringPackaging machine
The invention discloses an elastic bearing device. The elastic bearing device comprises at least two bearing discs, a supporting platform, an elastic supporting arm and a rotary driving assembly, wherein the bearing discs are used for bearing agricultural products, the supporting platform is used for supporting the bearing discs, the bearing discs are arranged on the supporting platform, the elastic supporting arm is used for providing elastic support for the bearing discs, the first end of the elastic supporting arm abuts against the bottom surfaces of the bearing discs, the second end of theelastic supporting arm abuts against the top surface of the supporting platform, and the rotary driving assembly is used for driving the supporting platform to rotate. The invention further disclosesan agricultural product packaging machine with the elastic bearing device. According to the elastic bearing device and the agricultural product packaging machine, the bearing discs used for bearing the agricultural products and the elastic supporting arm are additionally arranged, the elastic supporting arm is arranged between the bearing discs and the supporting platform, so that the bearing discs is elastically connected to the supporting platform, a buffering effect can be achieved, and the agricultural products can be prevented from being crushed.
Owner:XINHAI IND BELTING
Agricultural greenhouse support
InactiveCN114271132AQuick fixImprove the greenhouse effectRoof coveringClimate change adaptationGreenhouseAgricultural engineering
The invention relates to the technical field of agriculture, and discloses an agricultural greenhouse support which comprises an elastic supporting rod and a rectangular sleeve, the lower end of the elastic supporting rod is divided into two parts, a special-shaped sliding groove penetrating through the two ends of the rectangular sleeve is formed in the rectangular sleeve, a branch at the lower end of the elastic supporting rod is slidably clamped in the special-shaped sliding groove, and an arc-shaped frame is arranged at the lower end of the rectangular sleeve. The upper end of the arc-shaped frame is arranged in the special-shaped sliding groove in a sleeved mode, and an adsorption assembly is arranged on the outer wall of the arc-shaped frame. According to the device, the interior of the fixing sleeve can be in a negative pressure state, a plastic film is adsorbed, the plastic film can be rapidly fixed, the plastic film does not need to be perforated and bound, the greenhouse effect in a greenhouse is better, snow can smoothly slide down along an inclined plane, icing and shielding are prevented, and the device is convenient to use. And the plastic film can be prevented from being scraped.
Owner:浙江极智农业开发有限公司
LED (Light-Emitting Diode) heat-dissipating substrate
InactiveCN104676550AExtended service lifeTemperature controlPoint-like light sourceElectric circuit arrangementsHeat conductingEngineering
The invention discloses an LED (Light-Emitting Diode) heat-dissipating substrate, and relates to the field of electrical appliances. The LED heat-dissipating substrate comprises an aluminum substrate, wherein the aluminum substrate is provided with a groove, heat-conducting silicone grease fills the groove, a temperature controller is arranges at the bottom of the aluminum substrate, the temperature controller is connected with a radiator, the aluminum substrate is provided with an insulating layer, the insulating layer is provided with a circuit layer, and the circuit layer is provided with a waterproof layer. The LED heat-dissipating substrate has the characteristics that heat can be dissipated stably, the service life of an LED is prolonged, electric leakage and electric shock accidents of the LED heat-dissipating substrate can be prevented, and liquid such as water can be prevented from splashing onto the heat-dissipating substrate to cause short-circuit accidents.
Owner:SUZHOU CHENGYUAN PHOTOELECTRIC TECH
Vacuum cleaner convenient to use
PendingCN109984663AEasy to disassembleEasy to storeSuction hosesCable arrangements between relatively-moving partsEngineeringVacuum cleaner
The invention discloses a vacuum cleaner convenient to use. The vacuum cleaner comprises a main unit, a dust suction pipe and a working part, wherein the main unit is provided with a power cord, at least a part of the dust suction pipe can stretch and contract, the main unit is provided with a connection port, one end of the dust suction pipe is an air outlet end connected with the connection portof the main unit, the other end of the dust suction pipe is an air suction end connected with the working part, the working part comprises a functional element used for cleaning and a motor associated with the functional element, the dust suction pipe is provided with a spiral connecting wire, one end of the connecting wire is electrically connected with the power cord of the main unit through aninsertion part arranged at the air outlet end of the dust suction pipe, and the other end of the connecting wire is electrically connected with the motor of the working part through an insertion partarranged at an air inlet end of the dust suction pipe. The vacuum cleaner convenient to use can significantly improve the cleaning effect on stubborn stains, thereby improving the work efficiency, and the use is convenient.
Owner:JIANGSU HUANLI TECH DEV CO LTD
Military heat dissipation device with auxiliary heat dissipation function
PendingCN108681384AEfficient exportMeet heat dissipationDigital data processing detailsEnergy efficient computingEngineeringHeat spreader
The invention discloses a military heat dissipation device with an auxiliary heat dissipation function. The heat dissipation device includes a mounting seat used for mounting a fan, a main heat guiding pipe, a heat dissipation fin group, a first heat absorption piece and a second heat absorption piece. The heat dissipation fin group is disposed on one side surface of the mounting seat. The secondheat absorption piece is located on a side of the first heat absorption piece opposite the mounting seat. The heat dissipation fin group is formed by sequentially fastening a plurality of fins arranged in parallel. A side which is of the mounting seat and is connected with the main heat guiding pipe is opened with a groove. A heat dissipation end of the main heat guiding pipe is embedded in the groove, and is in welded connection with the mounting seat. The mounting seat is opened with a plurality of lock holes. Another end of an auxiliary heat guiding pipe is equipped with a heat absorption piece. The heat absorption piece is opened with a plurality of lock connection holes. According to the heat dissipation device, deviation and crushing of heat guiding pipe positions are prevented, stability of an entire heat dissipation structure can be improved, thus all components in the heat dissipation system are enabled to be mutually complemented, and heat dissipation performance and heat dissipation stability of the heat dissipation device are improved.
Owner:昆山品岱电子有限公司
A low-temperature plasma-cocatalyzed ADN-based monocomponent thruster
ActiveCN110259605BIndependently observe the ionization effectPlays the role of removing residual propellantRocket engine plantsCombustion chamberEngineering
Owner:INST OF MECHANICS - CHINESE ACAD OF SCI
Check ring combination for road manhole and steel support ring for installing check ring combination
ActiveCN102322076BIntegrity guaranteedPrevent being crushedArtificial islandsUnderwater structuresEngineeringStructural engineering
The invention provides a check ring combination for a road manhole and a steel support ring for installing the check ring combination, wherein the check ring combination for the road manhole comprises an upper check ring and a lower check ring, the upper check ring comprises an upper check ring body and an extension edge, the upper check ring body is in a cylinder structure, and the extension edge is connected with the lower end of the upper check ring body; the lower check ring comprises a first section of lower check ring in a cylinder structure, a second section of lower check ring in a cylinder structure and a third section of lower check ring in a cylinder structure, which are arranged vertically and sequentially, the second section of lower check ring is in a frustum-shaped cylinder structure, the lower end of the first section of lower check ring is connected with the big end of the second section of lower check ring, and the upper end of the third section of lower check ring is connected with the small end of the second section of lower check ring; and the extension edge is overlapped with the upper end of the first section of lower check ring. The influence of road settlement on the manhole can be avoided through the check ring combination for the road manhole and the steel support ring for installing the check ring combination.
Owner:浙江联塑科技实业有限公司
Open mesh surface fixed sleeve
InactiveCN108278087BImprove installation strengthEffective protectionDrilling rodsSealing/packingWell cementingOuter Cannula
The invention discloses an opening-net type surface fixing casing pipe. The opening-net type surface fixing casing pipe comprises an outer casing pipe arranged in the vertical direction, an inner casing pipe is coaxially arranged in the outer casing pipe, the outer wall of the inner casing pipe and the inner wall of the outer casing pipe are fixedly connected through four connecting rods, an annular cavity formed between the inner casing pipe and the outer casing pipe is divided into four right-angle circular arc cavities by the four connecting rods, and the right-angle circular arc cavities are separately provided with a set of top-pressure type sliding-relieving-hook external expansion mechanisms. The outer wall of the outer casing pipe is provided with a right-angle arc net plate, and the power output ends of the top-pressure type sliding-relieving-hook external expansion mechanisms pass through the outer casing pipe to be fixedly connected with the inner side surface of the right-angle arc net plate. When the opening-net type surface fixing casing pipe is subjected to cementing and well cementing, the ability of an external cement ring of the surface fixing casing pipe and thesurface fixing casing pipe to resist the external load is increased by combining cement and the right-angle arc net plate and the space between the right-angle arc net plate and the outer casing pipe,changes of the external load can be effectively resisted, the surface fixing casing pipe can be effectively protected from being crushed and destroyed.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Rapid positioning and punching device for stainless steel pipe center hole
PendingCN112658315AEasy to suck and fixPrevent being crushedPositioning apparatusBoring/drilling componentsPunchingEngineering
The invention discloses a rapid positioning and punching device for a stainless steel pipe center hole. The rapid positioning and punching device comprises a stainless steel pipe and a machining table matched with the stainless steel pipe, a positioning groove matched with the stainless steel pipe is formed in the top wall of the machining table, two supporting rods matched with the stainless steel pipe are symmetrically and movably arranged on the machining table, the two supporting rods are inserted into the stainless steel pipe, the two supporting rods make contact with each other, a fixing device matched with the stainless steel pipe is arranged on the machining table, and a top plate is fixedly arranged at the top end of the machining table. According to the rapid positioning and punching device, the stainless steel pipe is placed in the positioning groove, the two supporting rods are inserted into the stainless steel pipe from the two ends of the stainless steel pipe, the stainless steel pipe can be tightly sucked and fixed to the supporting rods conveniently by starting vacuum air extractors, and the supporting rods can support the inner wall of the stainless steel pipe when the stainless steel pipe is punched through a punching drill bit so that the stainless steel pipe can be prevented from being flattened, the punching quality of the stainless steel pipe is improved, the design is reasonable, and the practical effect is good.
Owner:李博识
Cab turnover unlocking system and vehicle
ActiveCN112576119AAvoid interferencePrevent being crushedElectrical locking actuatorsLoading-carrying vehicle superstructuresPhysicsEngineering
The invention belongs to the technical field of front panel locks, and relates to a cab turnover unlocking system and a vehicle. The cab turnover unlocking system comprises a cab turnover device usedfor turning over a cab and a front panel lock, the front panel lock is connected between the cab and a vehicle front panel, and the front panel lock has a locking state and an unlocking state; in thelocking state of the front panel lock, the front panel lock can lock the vehicle front panel, so that the vehicle front panel is fixed on the cab; in the unlocking state of the front panel lock, the front panel lock releases the vehicle front panel, so that the vehicle front panel can rotate relative to the cab; and when the cab turnover device is started, the front panel lock is driven, so that the front panel lock enters the unlocking state. The cab turnover unlocking system provided by the invention can enable the front panel lock to enter the unlocking state when the cab is turned over.
Owner:BYD CO LTD
electrical connector
ActiveCN107230851BAvoid deformationDoes not affect settingsElectric discharge tubesSecuring/insulating coupling contact membersElectricityComputer module
The invention discloses an electrical connector. The electrical connector is electrically connected with a chip module, and comprises a body, a plurality of insulating parts and a plurality of terminals, wherein the body is provided with a plurality of accommodating holes passing through the body from top to bottom; inner side faces of the accommodating holes and an upper surface of the body are conductive; the plurality of insulating parts are molded separately from the body, and correspondingly fixed in the accommodating holes respectively; the insulating parts are provided with supporting parts which extend upwards out of the accommodating holes, are higher than the upper surface of the body, and are used for supporting the chip module; the plurality of terminals are correspondingly fixed on the insulating parts respectively; and the terminals are provided with contact parts which are pressed against the chip module. The supporting parts are higher than the upper surface of the body, so that short circuit caused by contact of the chip module with the upper surface of the body can be avoided. The supporting parts extend out of the accommodating holes, so that the arrangement space of the supporting parts can be increased; the strength of the supporting parts is enhanced; the supporting effect for the chip module is improved; the chip module is prevented from being damaged under pressure; and the terminals are prevented from being deformed excessively under pressure.
Owner:DEYI PRECISION ELECTRONIC IND CO LTD PANYU
Assembly capable of improving feeding efficiency of nose bridge strip of plane mask machine
ActiveCN113043360AEasy to sendEasy to transportMetal working apparatusElectric machineryStructural engineering
The invention discloses an assembly capable of improving the feeding efficiency of a nose bridge strip of a plane mask machine, and relates to the technical field of mask production, in particular to an assembly capable of improving the feeding efficiency of the nose bridge strip of the plane mask machine. The assembly comprises a base and a nose bridge barrel part, wherein a nose bridge strip pressing block is installed above the nose bridge barrel part; a feeding groove is formed in the nose bridge strip pressing block; a bump plate is installed at the left side of the nose bridge strip pressing block; an arc-shaped groove is formed in the bump plate; a cutter shaft is installed at the left side of the bump plate; a nose bridge strip cutter is installed at the front end of the cutter shaft; and a second linkage shaft is connected to the rear end of the cutter shaft, and the rear end of the second linkage shaft is connected with a second driving motor. According to the assembly capable of improving the feeding efficiency of the nose bridge strip of the plane mask machine, the bump plate can be matched with the arc-shaped groove, and when the nose bridge strip enters the nose bridge barrel part, shaking from side to side of the nose bridge strip is limited, so that the situation that the nose bridge strip tilts upwards when swinging from side to side is prevented.
Owner:重庆烯珀医疗器械有限公司
Body fixture
Owner:GREE ELECTRIC APPLIANCES INC
A water-cooled structure additional field magnetic plasma thruster
ActiveCN107044396BGuaranteed insulation reliabilityGuaranteed insulation connectionMachines/enginesUsing plasmaElectromagnetic fieldHigh voltage
The invention discloses a water cooling structure magnetic plasma thruster. An expanded anode, a hollow cathode and internal conical surface insulating ceramic form a discharge chamber. An insulator is designed to be connected with the cathode and the anode, and insulating connection is achieved. A flexible graphite gasket is installed in the key matching position, and a sealing purpose is achieved. An installation insulating piece is designed to achieve radial matching connection of the thruster and a magnetic coil, the coaxality is ensued, and the precision of the bit-type of an additional magnetic field is improved. The thruster is fastened through a locking column structure, and thus the thruster can be adjusted at random relative to the axial position of the magnetic coil. The cathode and the anode both adopt cavity water cooling structures. Argon servers as a propellant, the cathode and the anode supply air at the same time, discharging is conducted in the discharge chamber through high-voltage breakdown between the cathode and the anode, and plasmas are continuously ionized and are ejected from the anode under the action of the additional electromagnetic field to produce thrust. The water cooling structure magnetic plasma thruster can stably work in the power range of 10-20 kW, provides the bull level thrust, and has an important significance to the structural design and experimental researches of magnetic plasma thrusters.
Owner:BEIHANG UNIV
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