54results about How to "Guaranteed to bend" patented technology

The invention relates to spandex packaging lines in the textile industry, in particular to a plastic separator board split system and method. The plastic separator board split system comprises rotary suction and pulling mechanisms, a lifting device, a separating supporting board assembly and a pushing-out device, wherein a retractable supporting board is arranged on the separating supporting board assembly, the lifting device is provided with a lifting frame, the rotary suction and pulling mechanisms and the pushing-out device are both mounted on the lifting frame, a swinging supporting board is arranged on the rotary suction and pulling mechanisms, and plastic separator board fixing devices are arranged on the swinging supporting board; and when a plastic separator board is split, the two sides of a single-piece plastic separator board on the bottommost layer are fixed through the plastic separator board fixing devices on the rotary suction and pulling mechanisms, and the single-piece plastic separator board is driven to bend by the swinging supporting board and separates from other plastic separator boards through extending of the supporting board on the separating supporting board assembly, the single-piece plastic separator board falls down through driving of the lifting device after split and is pushed out through the pushing-out device. The plastic separator board split system improves the working efficiency, and meanwhile saves valuable human resources.

The invention belongs to the field of medical equipment, and particularly relates to a novel trachea cannula. The novel trachea cannula comprises a cannula body, a balloon and a balloon inflation connecting pipe; the lower end of the balloon inflation connecting pipe is communicated with the balloon, the upper end of the balloon inflation connecting pipe is connected with a balloon inflation device, a strip-shaped groove is formed along the outer wall of the cannula body, and the balloon inflation connecting pipe is embedded in the strip-shaped groove; an annular groove is formed in the lower section of the cannula body, and the balloon is fixed in the annular groove. According to the novel trachea cannula, visual operation of the trachea cannula is achieved, and meanwhile it is guaranteed that a camera device is used repeatedly; insertion of the trachea cannula is safe, and the probability of disengagement of a gular cartilage and damage of the inner wall of a respiratory tract is reduced; collapse and bending of the trachea cannula body at the meshing part are prevented; oxygen supply is not interfered with surgical operation.

The invention provides a nursing bed with a waist adjusting function. The nursing bed comprises a bed frame, a waist and abdomen adjusting assembly, a back lifting mechanism and a bed board mechanism,wherein the bed board mechanism comprises a head pillow board, a back supporting board, a waist supporting board, a hip supporting board, leg supporting boards and foot supporting boards; a headrestelectric push rod of the back lifting mechanism is hinged to the back supporting board, the push rod end of the headrest electric push rod is hinged to the head pillow board, a waist and back electricpush rod is hinged to the bed frame, and the push rod end of the waist and back electric push rod is hinged to the back supporting board; and the waist and abdomen adjusting assembly comprises a waist and abdomen adjusting electric push rod, the waist and abdomen adjusting electric push rod is fixed in the bed frame, the push rod end of the waist and abdomen adjusting electric push rod is alignedwith the waist supporting board, and an adjusting notch for the waist supporting board to swing by a limited angle is formed in the position, corresponding to the waist supporting board, of the bed frame. The nursing bed has the advantages that the structure is reasonable, use is convenient, the waist and abdomen adjusting function is achieved, and when the nursing bed with the waist adjusting function is used for back lifting, a patient keeps a back lifting posture, and the comfort degree of the body of the patient is improved.

The invention discloses a high temperature resistant optical fiber sensor comprising a stainless steel sleeve tube, an optical fiber bundle, a low temperature connecting head and a high temperature connecting head. The high temperature resistant optical fiber sensor is characterized in that tooth-shaped positioning heat dissipation blocks are fixed at an outer periphery of the high temperature connecting head, a plurality of heat dissipation bars are uniformly distributed at outer peripheries of the tooth-shaped positioning heat dissipation blocks, and central parts of the tooth-shaped positioning heat dissipation blocks are provided with column-shaped holes matched with the high temperature connecting head. A manufacturing method for the high temperature resistant optical fiber sensor comprises the following steps: a, a step of adhesion agent configuration; b, a step of optical fiber cleaning; c, a step of optical fiber pretreatment; d, a step of sizing treatment; e, a step of heating and curing; f, a step of connector head connection; g, a step of heat dissipation block arrangement. According to the high temperature resistant optical fiber sensor disclosed in the invention, the tooth-shaped positioning heat dissipation blocks are fixed at the outer periphery of the high temperature connecting head, the plurality of heat dissipation bars are uniformly distributed at the outer peripheries of the tooth-shaped positioning heat dissipation blocks, heat dissipation area of the high temperature connecting head can be effectively increased, bonding technologies are improved, heat dissipation effects are enhanced, great high temperature (500 DEG C) resistant effects are exerted, and the high temperature resistant optical fiber sensor is suitable for photoelectric signal collection and transmission in fuel coal, fuel oil, fuel gas combustion occasions and other combustion occasions.

The invention discloses an iron nail restoration device comprising a rack, a restoration die, clamp forceps, a pin shaft, a fixed seat, a discharging hopper, a hydraulic gap A, a hydraulic gap B, a pull rod and a magnet. The restoration die, the discharging hopper, the hydraulic gap A and the hydraulic gap B are fixedly arranged on the rack. The hydraulic gap B is used for closing or opening the clamp forceps by the pull rod. The clamp forceps are fixedly arranged on the fixed seat by the pin shaft. The fixed seat is fixedly arranged on the hydraulic gap A. A groove for placing an iron nail is formed in the restoration die, and the magnet is inlaid into the groove. Due to the adoption of the structure, a bent iron nail is placed in the groove of the restoration die, the pull rod is pulled by the hydraulic gap B to ensure that an iron nail head is clamped by the clamp forceps, the pull rod is pulled by the hydraulic gap A to ensure that the bent iron nail upwards straightly moves along the inside of the groove of the restoration die so as to be restored to be straight; and when the iron nail reaches above the discharging hopper, the clamp forceps are opened to make the iron nail falls out from the discharging hopper. The iron nail restoration device has the beneficial effects that the bent iron nail is restored to be straight, so that the construction cost is reduced, the efficiency is increased, and resources are saved; and meanwhile, the device is simple in structure and convenient to operate.

The invention relates to the field of electrical connectors, in particular to a bow-like elastic contact spring comprising two contact portions arranged at two ends and a connection portion connected between the contact portions; the contact portions are arc shaped; the connection portion is U shaped; the contact portions are in arc transitional connection with the connection portion; the connecting portion and the contact portions jointly form a bow structure. When the contact portions are in contact with an adapter and stressed during usage, the bow-like elastic contact spring needs to deform with parts: a U bend of the connection portion, transitional parts of the contact portions and the connection portion, and the parts, close to the connection portion, of the contact portions; thus, bending stress can be greatly spread when the spring is under stress, and fatigue of the spring is relieved. Therefore, by the use of the bow-like elastic contact spring, the problem that the spring contactor is easily damaged by fatigue is solved.

The invention discloses a modeling method for a blade tip process extension section of a rotor blade forging. The modeling method comprises the following steps: 1, analyzing blade body molded line data; 2, calculating a middle arc line; 3, making a trend control line in the blade spreading direction; 4, calculating a mean camber line of the extension section; 5, calculating blade basins and bladeback molded lines of the three control lines of the extension section; And 6, smoothing each section molded line. According to the modeling method for the extension section of the blade body of the precision forging blade without allowance design, the profile tolerance, the torsion angle and the bending of the tip part of the blade and the blade spreading waviness of the whole blade body can be better guaranteed.

The invention relates to a line guide (100; 200; 300) for protecting at least one line, such as a cable, a hose, or the like for example, for supplying a motor vehicle seat for example. A longitudinal portion with multiple segments (110, 112; 210; 310) of the line guide is produced as a single piece, and each of the multiple segments has a closable holder (123; 223; 323) for the at least one line. Thus, the line can be positioned in a receiving area (130; 230; 330) when the holder is open and is held transversely to the longitudinal direction (L) in the closed position of the holder. The segments are connected together in the longitudinal direction so as to form an elbow (106; 206) by means of a flexible connection. The invention is characterized in that the connection between the segments comprises a first flexible section (120; 220; 320) and a second flexible section (120; 220; 320), and at least one transverse connector (122; 222; 322) is provided which is produced integrally with the sections and which runs about the longitudinal direction (L) in an arc- or bracket-like manner in the closed position of the holder so that the two sections (120; 220; 320) lie laterally relative to the receiving area and specify a neutral axis which crosses the receiving area (130; 230; 330).

The invention provides a feedback magnetic chip suction device, which comprises a sucking body, a link system and a feedback system, wherein the linking system and the feedback system are connected with the sucking body in sequence. The chip suction device can be flexed freely by using a coiler, is easy in operation and light in volume, can feed back the cleaning condition through a camera, has a good adsorption effect, can automatically remove chips without residues, and particularly solves the problems in dark and sealed working environments and small spaces, which cannot be solved by the conventional cleaning method.

The invention relates to a gesture recognition device based on a flexible sensor, and belongs to the technical field of human-computer interaction, and the device comprises a gesture detection systemwhich comprises a flexible sensor array and a collector connected with the flexible sensor array; wherein the flexible sensor array comprises a plurality of flexible sensors, and each flexible sensorcomprises first flexible transparent electrodes at two ends, an electrolyte material which is arranged between the first flexible transparent electrodes and has conductivity, and a packaging structurefor packaging the first flexible transparent electrodes and the electrolyte material; the collector is used for collecting motion signals collected by the flexible sensor; the gesture recognition system is used for acquiring a motion signal; recognizing corresponding gesture information according to the motion signal; the gesture translation system is used for translating the gesture informationinto corresponding voice information and / or text information for playing; the problem of low communication efficiency between a sign language expression person and other persons can be solved; and thecommunication efficiency with the sign language expressor is improved.

A high-performance cable for robot disclosed in the invention includes ab intermediate joint, The intermediate connector includes a left outer shield, An upper and lower sides of that left out shieldand a right end are connected with the right outer shield through a snap device, A latch device include a cavity, An upper side and a low side of that left side wall of the cavity are provided with fixed flexible rods, A plurality of movable bolts are arranged on the upper and lower parts of the right and outer shielding left ends, and movable flexible rods are arranged on the movable bolts. Whenthe device works, the three pillars can be used as a framework. When the cable receives the external force, the cable core frame presses the cable core inward, and the buffer spring can play the roleof cushioning and anti-shock, so as to avoid excessive deformation of the cable. When the device is in operation, two movable flexible rods are squeezed and sleeved between the two fixed flexible rodsto fix the movable flexible rods. When the cable fails, the movable flexible rods can be squeezed and taken out from the fixed flexible rods. The left outer shield is separated from the right outer shield, and the device can be checked.

The invention discloses a rotor blade precision forging structure and a preparation method. A reinforcing rib is arranged on the back surface of a homeopathic extending section, the reinforcing rib is used as a support of the homeopathic extending section, and the strength of the homeopathic extending section close to an air inlet and exhaust edge area is improved by utilizing the reinforcing rib, so that the strength of a blade tip homeopathic extending section in the polishing process is ensured; the end surface of one end of the reinforcing rib and the plane where the blade tip section is located are arranged at intervals, so that the influence of the reinforcing rib on the blade tip structure is prevented; meanwhile, the size of the reinforcing rib in the length direction of a rotor blade precision forging body is smaller than the length of the homeopathic extending section, so that the reinforcing rib is prevented from interfering with the air inlet and exhaust edge of the blade tip section, the influence degree of factors such as elastic-plastic deformation of a metal material and residual stress release in the heat treatment process on a blade tip portion is reduced, and the profile tolerance, the torsion angle and the bending of the blade tip section are guaranteed; and the reinforcing rib is designed, so that the air inlet and exhaust edge of the blade tip section is protected in the polishing process, deformation is eliminated, the machining precision is improved, and the machining efficiency is also improved.

The invention discloses an elliptical trailing cable for an overhead vehicle. The elliptical trailing cable comprises a cable core, an insulating layer, an armored layer and a sheath layer. The cablecore is composed of a main wire core, a ground wire core, a tensile rope and a filler. The ground wire core is composed of a ground wire conductor, a ground wire insulation, a ground wire filling layer, a steel pipe sheet and a ground wire rubber sleeve. The steel pipe sheet has a dumbbell-shaped cross section, and the ground wire conductor is arranged in the two ends of the steel pipe sheet. Themain wire core is composed of a main wire conductor, a main wire insulation, main wire conductive cloth and a main wire rubber sleeve. The two ends of the sheath layer are symmetrically provided witha steel rope core body wrapped with a steel rope insulating skin. The outer surface of the sheath layer is symmetrically provided with wear-resisting grooves. The invention also provides a productionprocess of the main wire conductive cloth which mainly uses ATO nano conductive liquid and fiber cloth as raw materials. The elliptical cable core, the insulating layer, the armored layer and the sheath layer are applied to construct a novel elliptical cable which has good tensile performance, good bending performance and certain anti-interference capability and has great practical value and popularization value.

The invention discloses a micro-ring resonator with a cavity structure, and belongs to the field of micro electro mechanical systems. The problem that the quality factor (Q value) of a resonance system is limited to be increased due to thermoelastic damping of an existing micro-ring resonator is solved. The device comprises a circular ring harmonic oscillator, a supporting structure, a driving electrode and an anchor point pile which are located on a base, and the outer surface of the circular ring harmonic oscillator is plated with a metal conductive layer; the inner surface of the circular ring harmonic oscillator is fixedly connected with the anchor point pile through a supporting structure, and the three are coaxial; a cavity is arranged along the circumferential extension direction of the circular ring harmonic oscillator, and the cavity is positioned in the annular body of the circular ring harmonic oscillator; the plurality of driving electrodes are annularly and uniformly distributed on the outer side of the circular ring harmonic oscillator at equal intervals, and the driving electrodes are used for driving the circular ring harmonic oscillator to work at the inherent frequency. The method is mainly used in cooperation with an inertial sensor in a micro electro mechanical system.

The invention discloses a manufacturing method of an aluminium butt welding type composite pipe. The manufacturing method is carried out according to the following specific steps: punching an aluminium strip to manufacture an aluminium half pipe; welding the aluminium half pipe into a pipe; preparing a plastic high-molecular polymer; extruding the plastic high-molecular polymer out of an internalplastic pipe and an external plastic pipe, and uniformly coating polypropylene hot melt adhesive on the inner and outer walls of a porose aluminium pipe; simultaneously feeding the internal plastic pipe, the external plastic pipe and the porose aluminium pipe in the die cavity of a coextrusion die head; after the pipe finishing copolymerization for formation, adopting the circulating water coolingmanner to cool to the room temperature, and storing the pipe for 3-7 hours to finish cross-linking reaction; and adding a thermite and the additive silicon dioxide in the inner cavity of the composite pipe to have thermit reaction so as to form a ceramic layer, so that the composite pipe base material and a composite coating are integrally solidified to form the composite pipe. The manufacturingmethod solves the problem in the prior art that the production technology is complicated.

The invention belongs to the technical field of mobile terminal protection cover plate structures, and relates to a protection cover plate and a mobile terminal. The protection cover plate comprises a first flexible glue layer, ultrathin glass, a second flexible glue layer, a polyester layer and a hardening layer which are stacked in sequence, and the thickness of the first flexible glue layer is 25-50 [mu]m; the thickness of the ultrathin glass is 50-200 microns; the thickness of the second flexible glue layer is 100-175 microns; the thickness of the polyester layer is 25-50 microns; the polyester layer is a polyethylene glycol terephthalate film with an elastic modulus of 5000-8000 MPa; the thickness of the hardening layer is 1-7 [mu]m; the hardening layer is formed by irradiating ultraviolet rays to a hardening liquid containing organic polysilazane for curing; the pure water contact angle of the hardening layer is larger than 105 degrees, and the pencil hardness ranges from 3H to 5H. The protective cover plate provided by the invention has excellent bending performance and strong surface hardness.

The invention discloses a physical desuperheater, belonging to the technical field of desuperheaters. The physical desuperheater consists of a water storage tank, a thermoelectric cooler, a circulation pump, and a cooling device. The first communication tube is arranged between the thermoelectric cooler and the water storage tank. The second communication tube is arranged between the circulation pump and the water storage tank. A water inlet pipe is connected fixedly to the thermoelectric cooler. The cooling device is connected to the end of the water inlet pipe away from the thermoelectric cooler. The circulation pump is also connected fixedly to a water outlet pipe. The cooling device is connected to the end of the water outlet pipe away from the circulation pump. A seal fitting is provided at the connection between the cooling device and the water inlet and outlet pipe; When in use, the circulating water system in the cooling devices in the water storage tank can be achieved by using the circulation pump, thereby saving water resources. In addition, the water temperature can be effectively lowered by the setting on the thermoelectric cooler, so a better cooling effect is achieved. By using the design, the problem of poor cooling effect and the waste of water resources in the existing design is effectively solved.

The invention discloses a vehicle frame comprising: two longitudinal beams arranged in parallel; a front beam fixedly arranged at the front ends of the two longitudinal beams; a rear support beam supported between the two longitudinal beams; wherein a first indentation is formed on the inner side wall of one of the longitudinal members and a first indentation is formed on the outer side wall of the other longitudinal member. The first indentation has a concave structure with the longitudinal beam extending direction as a first direction, and the first indentation extending direction is perpendicular to the first direction. When the vehicle frame of the invention is impacted, if the impacting force is not balanced in the energy absorption area, the longitudinal beam will be bent along the first indentation, and the first indentation of the two longitudinal beams, one on the inner side and one on the outer side, can ensure the same bending direction, absorb the energy of the turning machine through the deformation, and ensure the safety of the personnel inside the vehicle.

The invention discloses a rigid-flex circuit board preparation method and a prepared circuit board. The method comprises the following steps: (1) according to hard area distribution and soft area distribution designed by a circuit board, respectively printing hard ink and soft ink on the surface of a metal foil in an ink-jet manner; (2) the ink-jet printing hard ink is cured to form a hard metal-clad plate area, and the ink-jet printing soft ink is cured to form a soft metal-clad plate area, so that a soft-hard combined metal-clad plate is formed; and (3) removing unnecessary metal areas based on a chemical etching or laser engraving process, and forming a circuit pattern by the residual metal part, thereby completing the preparation of the single-layer rigid-flex circuit board. In combination with a traditional circuit board manufacturing process, a multi-layer rigid-flex circuit board can be manufactured. According to the technical scheme, the hard part and the soft part of the circuit board can be flexibly designed, the hard part can be used for a fitting area of a component, and the soft part can be used for functions of bending, stretching and the like.

The invention provides a novel compressor self-limiting exhaust valve plate, an exhaust valve plate assembly and a compressor, and relates to the technical field of compressors. The novel compressor self-limiting exhaust valve plate comprises a valve plate body, wherein a mounting hole is formed in one end of the valve plate body in the thickness direction of the valve plate body; and a groove transversely penetrating through the valve plate body is formed in the surface of the valve plate body in the thickness direction of the valve plate body. According to the novel compressor self-limitingexhaust valve plate, the exhaust valve plate assembly and the compressor, the mounting hole is formed in one end of the valve plate body to mount and fix the valve plate body to a valve seat, meanwhile, the groove transversely penetrating through the valve plate body is formed in the surface of the valve plate body in the thickness direction of the valve plate body, when the compressor exhausts, the valve plate body is bent due to impact of gas, at the moment, an opening of the groove can be gradually decreased along with increasing of the bending angle of the valve plate body, when the valveplate body is bent to a certain angle, the groove is completely closed, the valve plate body can be prevented from being continuously bent, thus automatic limiting in the bending process of the valveplate body is achieved, thus a baffle can be removed, noise caused by reciprocating impact of the valve plate body and the baffle and fatigue fracture of the valve plate body are eliminated, and meanwhile the number of parts of the exhaust valve plate assembly can be decreased.

The invention discloses a nuclear radiation resistant mobile cable for a crown block, and belongs to the technical field of cables. The cable comprises a cable core, an insulating layer, an armor layer and a sheath layer. The cross section of the sheath layer is elliptical, the outer side surface of the sheath layer is provided with a wear-resistant groove, the sheath layer is an irradiation crosslinked polyethylene outer sheath, and a crosslinked polytetrafluoroethylene material, a flame-retardant material and an elastic material are filled between the armor layer and the insulating layer. The cable core in a flat shape, and a first protective sleeve and a second protective layer are arranged in the protective sleeve. The cross section of each first protective sleeve is square, the innerside of each first protective sleeve is provided with a main wire core, each first protective sleeve is provided with a first arc-shaped groove and a second arc-shaped groove, the opposite sides of every two adjacent first protective sleeves are spliced to form a cavity, the cross section of the second protective layer is oval, and a ground wire core is arranged in the second protective layer. Thecable is good in nuclear radiation resistance, flame retardance and stamping resistance, good in flexibility, capable of preventing the cables from rolling and winding each other during dragging andcapable of relieving abrasion caused by long-time use.

The invention relates to the technical field of scaffold production equipment, in particular to attached type lifting scaffold production equipment which comprises a frame body and a conveying part arranged on one side of the interior of the frame body and further comprises a bearing plate fixedly installed on the frame body and located on one side of the conveying direction of a conveying belt, a bending mechanism used for bending a bottom plate, and a fixing mechanism for fixing the position of the bottom plate in the bending process. Through the arranged conveying belt and the bearing plate, automatic feeding can be achieved, meanwhile, in combination with the arranged fixing mechanism, it is guaranteed that the positions of metal pieces are fixed in the actual using process of the production equipment, the production efficiency is effectively improved, meanwhile, in combination with the arranged bending mechanism, the metal pieces can be effectively bent, the perpendicularity of the bent part is ensured, and the qualified rate of products is improved.

The invention relates to an installation method for optical fiber temperature measurement probes in a preset conduit transformer. The method comprises the following steps: selecting insulating conduits which are equal to the optical fiber temperature measurement probes in number, and marking each insulating conduit; carrying out winding of transformer windings, inserting a wedge insulating cushion block into a hotspot position, and laying and fixing the insulating conduits along a winding stay; laying the insulating conduits upwards along a fiber container, and fixing the insulating conduits on a wire clamp by a heat shrinkable tape; marking internal extension optical fibers in the optical fiber temperature measurement probes for distinguishing after drying the body of the transformer, and then inserting the optical fiber temperature measurement probes from the corresponding insulating conduits on the wire clamp. According to the installation method, installation of the optical fiber temperature measurement probes is carried out in a preset conduit manner, so that the post-installation time can be saved; the installation method is convenient and practical; and the work efficiency is greatly improved.

The invention relates to the field of ophthalmology and otorhinolaryngology surgical instruments, and particularly discloses a posterior nostril atresia supporter. The posterior nostril atresia supporter comprises two developable breather pipes, the outer ends of the breather pipes are in a horn mouth shape, grooves are arranged in the two ends of each breather pipe and one side of the nasal septum respectively, drainage grooves are formed in the breather pipes, and included angles between the grooves and the drainage grooves from the cross section range are 60-120 DEG; and through holes are formed in the walls of the breather pipes. The posterior nostril atresia supporter can be selected according to the age of a child patient, does not need to be manufactured temporarily, can be put in quickly, can be changed along with deformation of the nasal cavity and the nasal passage, and is easy to replace and convenient to maintain.

The invention discloses a rearview mirror base pressing, assembling and folding testing machine, and relates to the technical field of rearview mirror detection. The rotating assembly and the folding assembly are used for adjusting the degree of tightness of a rotary knob and testing rotation folding of the rearview mirror respectively, the fixing support assembly fixes the position of the rearview mirror as a whole, and when the corresponding position needs to be adjusted, a lower driving cylinder is started and drives a fixing support panel to move in the direction of a guide sliding rail, so that the rearview mirror is folded. The position of the fixed support panel is changed, when a test needs to be carried out, a folding driving cylinder is started to drive the whole folding moving panel to move downwards, then an upper driving motor is started to drive the rotating folding panel to rotate through the speed reduction effect of an inner speed reduction rotating part, and a limiting rotating roller on the rotating folding panel limits the rearview mirror. And the rearview mirror is ensured to be bent.