50results about How to "Change the curvature" patented technology

The invention relates to a free toroidal lens arranged in the irradiation direction of the lamp LED which takes the high power LED encapsulated by single-chip or poly-chip as light source. When the LED lights, the light illuminates from the free toroidal lens. The free toroidal lens can alter the irradiation direction by refracting the light from the LED so as to alter the LED lamp irradiation angle, range and light distribution. The preset light distribution effect is achieved after the light emitted from the LED passes through the free toroidal lens based on the refraction action of the free toroidal lens with different preset incident angles, different shapes and curvatures of the light incidence plane and the light emergence plane.

The invention relates to a mat regulating system which is mainly provided with at least two groups of air bag groups that are mutually jointed with each other in a mat body; and at least one charge pumping feeds air to a main air passage; each air bag group is connected with the main air passage through a branch air passage, and each branch air passage is provided with a control valve used for opening and closing the branch air passage; the running of the charge pumping and the control valve is controlled by at least one controller; besides the function of leading each air bag group to support the mat body after the air bag group is charged, the mat body can also have the effect of massage by utilizing the alternation of exhaust shrinkage and charge inflation; in addition, when the two groups of air bag groups that are mutually jointed are in the state of exhaust shrinkage and charge inflation, the surface of the mat body takes on the state of slippage of the position of protuberance.

The invention discloses a rail type adjustable and comprehensive trolley for a tunnel section. The trolley is simple in structure and facilitates construction. The trolley comprises a rack mechanism, a section contour rechecking mechanism, a walking mechanism and an operation platform mechanism. The section contour rechecking mechanism is installed on the periphery of the rack mechanism. The walking mechanism is installed at the bottom of the rack mechanism. The operation platform mechanism is installed on the rack mechanism, so that tunnel second-lining construction section rechecking, reinforcing steel bar positioning and sample frame functions, waterproof material laying and positioning, and primary support second-lining concrete grouting platform and second-lining defect processing platform functions are achieved. The excavation contour of the tunnel section can be rechecked so as to ensure the standardability of the excavation contour of the tunnel section, the bending radian of top arch contour ribs and side wall contour ribs can also be changed, and the rail type adjustable and comprehensive trolley is applicable to section rechecking and waterproof construction of tunnels of different sections, and particularly suitable for different support sections which are adopted for the same tunnels due to different surrounding rock grades.

The invention discloses a multifunctional ground wire insulating rod, which comprises a ground wire clamp and an insulating rod, wherein the ground wire clamp comprises a fixed part and a movable part; the fixed part comprises an upper clamping plate; the upper clamping plate is a cavity body with an opening in the bottom surface; an arc-shaped recess is formed in the middle part of the cavity body; a longitudinal support rod and a movable rod are arranged in the cavity body; an elastic electric conductor is arranged between the support rod and the movable rod; the middle part of the elastic electric conductor is arranged in the arc-shaped recess; three fixing rings at least sleeve the elastic electric conductor along the arc length at equal intervals; the upper side of each fixing ring is connected with the lower end of a stretched spring; the upper end of the stretched spring is fixed with the upper clamping plate along the radial direction of the arc-shaped recess; the elastic electric conductor comprises a plurality of conductive copper wires which are arranged in parallel; one end of each conductive copper wire is fixed with the support rod; and the other end of each conductive copper wire is fixed with the movable rod and then can wind the periphery of the movable rod in a contracting and releasing manner. The multifunctional ground wire insulating rod has the advantages of being relatively wide in application range, convenient to use and firm to contact; meanwhile, the ground wire clamp has relatively good clamping force on a charged body; and the safety of using staff is ensured.

The invention discloses an intelligent foldable crane for a municipal administration path. The intelligent foldable crane structurally comprises a fixing base, an execution mechanism, a coupling rod, a cargo boom support rod, a pin shaft, a hydraulic cylinder, a folding arm, a main arm, a hoisting folding hydraulic cylinder, bolts, an end wall connecting shaft, an end wall, a cushion plate, a drive rotary disc, a telescopic square pipe, a hook and a hydraulic cylinder fixing base. In the crane folding process, an oblique pulling sensor and a jacking sensor are arranged in the execution mechanism, and accordingly the system works more reliably; in combination of the design of a single-chip microcomputer and a programmable logic controller, the functions of voice broadcasting, communication management, monitoring and intelligent machine body control are achieved, the defect in the folding crane running process can be effectively overcome, the situations of equipment oblique pulling and jacking are avoided, safety performance is high, equipment safety is effectively maintained, and the municipal administration path construction efficiency is improved.

A core lamination structure in a motor is constructed such that a plurality of lamination sheets of a predetermined shape are laminated to form a laminated body, that is, a unit lamination core. The unit lamination core formed by the plurality of lamination sheets is fixedly coupled by a caulking portion or a coupling portion formed on the respective lamination sheet and connected with the adjacent lamination sheets to be in a row. In this way, a fabricating process of the unit lamination core is made to be easy and simple to reduce time for fabricating, and a curvature for a curved surface portion of the unit lamination core can be changed so that the present invention can be applied to various motors according to the capacity or the size of the motor.

The invention discloses a medical drug mixing device in the technical field of medical treatment. The medical drug mixing device comprises a base, wherein a right clamping plate is arranged on the right side of the top side wall of the base plate; in addition, a vertical plate sheaths the middle of the outer side wall of a piston rod; a reset spring movably sleeves the right side of the outer sidewall of the piston rod; a fixed plate is arranged on the left side of the top side wall of the base plate; besides, a left clamping plate is movably arranged at the right end of a threaded rod; a motor is arranged on the right side of the top side wall of the base; and in addition, an eccentric wheel is arranged on the front side of the output end of the motor. According to the device, the motordrives the eccentric wheel to rotate; the eccentric wheel rotates for applying leftward push force to a roller; a reset spring expands to rightward push the piston rod, so that the base plate drives abottle body to do reciprocating left-right motion, and medicinal liquid in an inner cavity of the bottle body swings leftward and rightward, and tosses in the inner cavity of the bottle body; and bycontinuously changing the medicinal liquid at different positions such as the inner part, the outer part, the left part and the right part, a better mixing and shaking effect can be realized and the mixing efficiency is improved.

The invention discloses a movable board surface structure of a building, and is suitable for use in the building. The movable board surface structure comprises a mounting frame and a plurality of temperature sensing plates. The mounting frame is mounted on the building; and the temperature sensing plates are arranged on the mounting frame. The temperature sensing plates change the temperature separately according to temperature changes, so that the whole movable board can prevent sunlight from irradiating into the building and change visual appearance of the building.

The invention discloses a portable multimedia anesthetic laryngopharyngoscope navigator. The portable multimedia anesthetic laryngopharyngoscope navigator mainly comprises lighting and image pick-up devices, a tube core, a display device, a panel and a back shell, wherein the lighting and image pick-up devices are fastened and connected with the tube core, and the image pick-up device is in wired or wireless connection with the display device; the display device is fixedly arranged at the inner side of the panel; one end of the back shell is movably connected with the bottom of the panel, and the panel can be overturned by a certain angle with the bottom as the axis; after use, the lighting and image pick-up devices, the tube core and the display device can be received in the back shell. Due to the use of the portable multimedia anesthetic laryngopharyngoscope navigator, visual operation of the existing endotracheal intubation is realized, the success rate of the endotracheal intubation is increased, and the intubation process can be recorded and played back to achieve the purpose of reducing the infection probability of a doctor and the like. The special designed structures of the image pick-up device and the tube core of the portable multimedia anesthetic laryngopharyngoscope navigator are applicable to the endotracheal intubation in any occasion, and as a result, the difficulty of the operation of the user is reduced.

The invention discloses a handheld linear structured light tire wear detection device, which comprises a shell and a front shroud, a laser emitter and a camera are arranged in the shell; a C-shaped sliding rail and a flexible cloth curtain hoop are arranged at the front end of the front protective cover; the C-shaped sliding rails are symmetrically distributed at the front end of the front protective cover up and down; the flexible cloth curtain hoop is connected with the C-shaped sliding rail in a sliding manner; an edge wing strip is arranged at the rear end of the flexible cloth curtain hoop; curtain hanging points are arranged on the side wing strips and the front protective cover, the flexible light shielding curtain is fixed to the two sides of the front protective cover through thecurtain hanging points on the front protective cover and the curtain hanging points on the flexible cloth curtain hoop and can be adjusted along with adjustment of the U-shaped flexible cloth curtainhoop, interference of external light on image collection can be avoided, and the image collection quality and the device stability are improved. A structured light vision measurement method is adoptedto extract the depth of the tire pattern, the precision is high, light strip feature image information extraction is simple, the real-time performance is high, and active control is achieved.

An IUD (intrauterine device) insertion device comprises an insertion tube, a push rod and a handle. The push rod comprises a push rod head, a push rod body and a spring. The spring is arranged between the push rod body and the push rod head. Before insertion of an IUD, the insertion tube of the insertion device can be bent according to the position of uterus so as to adapt to the uterus in shape. When the IUD is conveyed by the push rod having the spring, the push rod can move in correspondence to the shape of the insertion tube while curvature of the insertion tube is prevented from changing due to the rigidity of the insertion tube.

The invention discloses an automatic diagnosis auxiliary device for eye rehabilitation. The automatic diagnosis auxiliary device comprises a bottom plate and a movable plate, wherein two side plates are symmetrically and fixedly mounted on the left side and the right side of the bottom plate, and a top plate is fixedly mounted at the tops of the side plates; a seat is arranged on the right side ofthe bottom plate, a U-shaped groove is located in the left side of the seat, on the bottom plate, and two screw rods are symmetrically and rotationally mounted on the front side and the rear side ofthe U-shaped groove; and two threaded holes are symmetrically formed in the front side and the rear side of the lower part of the movable plate, the lower side of the movable plate is in threaded connection with the two screw rods, the bottom of the movable plate is in sliding connection with the U-shaped groove, rails are arranged on one side facing the seat, of the movable plate, and a small ball is placed in the rails. The telescopic length of each electric push rod is adjusted to drive each straight pipe section to move up and down on the movable plate, so that the curvature of the rails is changed, the shape of the rails is changed, the small ball can move in different rails, the eye muscle movement dimension of a patient is changed, and the eye muscle recovery effect is improved.

The invention provides a trailing edge jet-propelled vector propelling deformable wing. The deformable wing comprises a rigid box section, an elastic box section and a driving mechanism. A pipeline arranged in the rigid box section can conduct high-pressure airflow generated by an aircraft engine to a driving mechanism distributed in the wing elastic box section; a hollow bent pipe of the drivingmechanism can conduct high-pressure airflow to the rear edge of the wing, and the high-pressure airflow is sprayed out from the rear edge of the wing at different angles to generate thrust, so that the purpose of distributed vector propulsion is achieved. Meanwhile, the driving mechanism can drive the elastic box section to deform, the wing form is changed, and the aerodynamic efficiency, stall attack angle limit, lift coefficient and flight performance are improved.

A core lamination structure in a motor is constructed such that a plurality of lamination sheets of a predetermined shape are laminated to form a laminated body, that is, a unit lamination core. The unit lamination core formed by the plurality of lamination sheets is fixedly coupled by a caulking portion or a coupling portion formed on the respective lamination sheet and connected with the adjacent lamination sheets to be in a row. In this way, a fabricating process of the unit lamination core is made to be easy and simple to reduce time for fabricating, and a curvature for a curved surface portion of the unit lamination core can be changed so that the present invention can be applied to various motors according to the capacity or the size of the motor.

The invention discloses a focusing lens for an intelligent terminal camera, a camera module and an intelligent terminal. The focusing lens comprises a main frame, a lower pole piece, a semi-solid material lens, an upper pole piece, a first wire and a second wire, wherein the lower pole piece is arranged in the main frame; the lower pole piece is provided with an accommodating space; the semi-solidmaterial lens is arranged in the containing space, the upper pole piece and the lower pole piece are oppositely arranged, the first wire and the second wire are electrically connected with the upperpole piece and the lower pole piece respectively and used for applying voltage, and the lower pole piece and the upper pole piece deform under the voltage difference and drive the semi-solid materiallens to deform. By changing the voltage through the focusing lens, the curvature of the semi-solid glass silica gel can be changed, and meanwhile, the transmission and refraction of a light path are changed, so that the focusing effect is achieved.

The invention relates to an experimental device and experimental method for vibration deformation of an oblique bending gas well production tubular column. The experimental device comprises a piston air compressor, a control valve, a pressure gauge, a guide tube, an adapter, an inner tube, a fixing plate, an outer tube, an outer tube fixture, telescopic support rods, sliding wheels, a sliding slot, pressure sensors, a cable, a computer and a fixing bracket, wherein the fixing bracket is composed of the telescopic supports, the sliding wheels and the sliding slot, and arc-shaped bending tube required to be simulated by the experiment can be adjusted through changing the length of the telescopic support rods and the position between two sliding wheels. The piston air compressor generates a high-pressure gas, the high-pressure gas flows through the inner tube to cause vibration, the same pressure as the gas collected in the actual condition is adjusted through the combination of the control valve and the pressure gauge, and then data of the pressure sensors when the air pressure passes through the inner tube and enables the inner tube to deform is collected on the computer. The experimental device has the advantages that the device is safe and reliable, the operation is simple, the measurement data is accurate, and the gas production working state of the bending tubular column inthe high-pressure gas well is highly reproduced.

The invention discloses a spiral pipe bending machine. The spiral pipe bending machine comprises a workbench, the workbench is provided with a rotating rod, a rotating motor is arranged at the right end of the rotating rod, a bending block is arranged at the upper end of the left part of the rotating rod, a fixed rod is arranged above the rotating rod, a locating plate is arranged at the left end of the workbench, and the rotating rod and fixed rod pass through the locating plate. Through locating through the fixed rod and driving the bending block to bend through the rotating rod, the transverse bending becomes into longitudinal bending, the bending safety is improved, the space usage is reduced, the camber of a bent air conditioner pipe is changed through regulating the position of the fixed rod through a lifting cylinder, and the pipe bending precision is improved through arranging a locating clip.

The invention relates to a sampling cooler for petrochemical industry. The sampling cooler comprises a machine frame, a cooling cylinder rotatably arranged on the machine frame and a driving assemblyfor driving the cooling cylinder to rotate around the axis of the cooling cylinder, a first sleeve pipe and a second sleeve pipe are fixed in the cooling cylinder, and an annular first flow channel isformed between the outer wall of the first sleeve pipe and the inner wall of the second sleeve pipe; and an annular second flow channel is formed between the second sleeve pipe and the inner wall ofthe cooling cylinder, a first spiral pipe spirally arranged with the axis of the cooling cylinder as the center line is fixedly arranged in the first flow channel, a second spiral pipe spirally arranged with the axis of the cooling cylinder as the center line is fixedly arranged in the second flow channel, and the rotating direction of the first spiral pipe is opposite to that of the second spiralpipe. The cooling cylinder is driven by the driving assembly to rotate so as to drive the first spiral pipe and the second spiral pipe to rotate together, so that viscous sample media in the first flow channel and the second flow channel are guided and pushed, flowing of the viscous sample media is accelerated, and blockage of the viscous sample media is reduced.

The invention discloses a four-roller hydraulic transmission plate bending machine which comprises a plate bending machine body. A cavity is formed in one side of the plate bending machine body, and a first groove is formed in one side of the interior of the cavity; a second rotating shaft is arranged in the first groove, and a supporting rod is hinged to one side of the second rotating shaft; a sliding groove is formed in the position, close to the center, in the supporting rod; a threaded hole is formed in the right end of the supporting rod, and a threaded rod is in threaded connection with the interior of the threaded hole; a sliding block is slidably connected with the interior of the sliding groove, and the end, away from the interior of the sliding groove, of the sliding block is fixed to one end of a connecting rod; and fixed clamping plates are fixed to the other end of the connecting rod, and a pulley is installed between the fixed clamping plates. According to the bending machine, a plate can be effectively supported, and meanwhile the supporting position can be adjusted according to the size of the plate; therefore, the applicability of the machine is improved, and in addition, the pulley is rotated to clean the surface of the plate; and the stress of the plate is improved, and the product quality is improved.

The invention discloses a method for controlling large deformation of a soft rock single-track railway tunnel. The method comprises the following steps of 1, acquisition of crustal stress parameter; 2, acquisition of physical and mechanical parameters of a rock mass; 3, acquisition of a lateral pressure coefficient and judgement of large deformation of the tunnel; 4, establishment of a tunnel excavation section model and loading force analysis of the tunnel excavation section model; 5, determination of a tunnel excavation section contour; 6, excavation through a tunnel bench cut method and primary support construction; 7, tunnel lining structure construction; and 8, circulating tunneling till construction of a soft rock large-deformation section is completed. The method is simple in step,through optimization of the excavation section contour of the single-track railway tunnel, the bearing performance and deformation resistance of a tunnel primary support structure are improved, control over large deformation of the soft rock single-track railway tunnel is achieved, and practicability is high.

The invention discloses a multi-unit adjustable intelligent intervertebral fusion device, which comprises a fixed plate, the upper end of the fixed plate is a square structure, the lower end of the fixed plate is an arc-shaped structure, and several adjustment units are evenly arranged on the fixed plate , each adjustment unit includes two adjustment blocks, and the two adjustment blocks are set on both sides of the fixed plate; The edges fit together to form a whole. The present invention innovatively designs a plurality of adjustable units, and by adjusting the different telescopic heights of each adjustable unit to make them fit perfectly with the upper and lower endplates, it can better adjust the curvature of the cervical surgery segment and increase the internal The plant-endplate contact area reduces the gap between the implant and the endplate, thereby avoiding stress concentration and reducing complications such as screw loosening, bone resorption around the implant, and cage sinking.

The invention discloses a fixing bracket for the orthopedics department. The fixing bracket comprises a base, a clamping block comprises a clamping block body, and buffering springs are uniformly arranged on the left side of the clamping block body; a sterile silica gel mat is connected to the other ends of the buffering springs, reset springs are arranged on the right sides of inner cavities of grooves, and fixture blocks are connected to the left sides of the reset springs; a pushing rod is arranged on the left side of each fixture block, rubber mats are arranged on the right sides of fixingbolts, and the buffering springs have damping and buffering effects; formed open grooves can change the bending radian of the sterile silica gel mat, the contact area with limbs is increased, the force applied to the limbs is dispersed, and the injury caused to the limbs is relieved; a transverse sliding rod is rotated to change the angle of inserting a bone nail in the bone, and the fixture blocks are pushed through the tension of the reset springs; it is avoided that the fixing bolts are in direct contact with vertical upright frames through the rubber mats so as to damage the vertical upright frames, and the abrasion of threads on the fixing bolts and threaded holes is avoided.

The invention discloses an easily-adjustable optical fiber attenuator which comprises a casing, an optical fiber and a microbend deformer for bending the optical fiber. A groove for storing the optical fiber is formed in the casing, and the microbend deformer comprises an upper press plate with a corrugated surface arranged at the bottom and a lower corrugated surface positioned at the bottom of the groove and staggered with the corrugated surface of the upper press plate. The two inner groove walls of the groove are each provided with a first guide groove and a second guide groove symmetrical to the first guide groove, and an included angle formed by each first guide groove and the center axis of the optical fiber is identical to an included angle formed by each second guide groove and the center axis of the optical fiber. A first adjustment cylinder for adjusting the upper press plate is arranged between the first guide grooves, a second adjustment cylinder for adjusting the upper press plate is arranged between the second guide grooves, the length of the upper press plate is larger than that of the groove, limit strips are arranged at the two ends of the upper press plate, outside the groove, and scales for displaying the position of the upper press plate are arranged on the groove. The easily-adjustable optical fiber attenuator is stable in structure. In addition, the curvature of the optical fiber can be changed by sliding the first adjustment cylinder and the second adjustment cylinder, so that the easily-adjustable optical fiber attenuator is easy to operate.

The invention provides a medical implant and a plugging system. The plugging system comprises the medical implant, wherein the medical implant comprises a plugging part and an anchoring part; at least one end of the plugging part is connected with the anchoring part; at least part of the structure of the anchoring part has biodegradability; the plugging part of the medical implant is arranged at an opening of a target object so as to prevent a plug body in the target object from being separated from the opening; the anchoring part is arranged in a preset lumen with initial curvature and is used for keeping the plugging part at the opening; meanwhile, the anchoring part applies acting force to the preset lumen and changes the curvature of the preset lumen; and when the structure, with the biodegradability, of the anchoring part is at least partially degraded, the acting force is relieved, so that the preset lumen can be restored to the initial curvature. The medical implant can reduce or even eliminate the influence on the target lumen in the later period of implantation, so that the curvature of the target lumen can be restored.

The invention provides a wheelchair, and relates to the field of medical instruments.The technical problem that a wheelchair existing in the prior art has a single function and is not suitable for the situation in which the body positions need to be adjustedin time due to change of illness is solved. The wheelchair comprises a wheelchair seat and a wheelchair backwhich are rotatably connected, the wheelchair back includes a back frame which is elastically deformed by being pulled or squeezed, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are used for fixing the back frame and moverelatively by pneumatic lifting rods to enable the back frame to elastically deform and change the curvature of the back frame, and when the wheelchair is lying flat, the curvature of the back frame is reduced, so thatthe wheelchair is more suitable for a patient to lie flat. The wheelchair has the function of lying flat, andthe wheelchair is more suitable for a user to use when lying flat by changing the curvature of the back frame.

The invention discloses an electrical switch used for factory circuit control. The electrical switch comprises an assembling frame, a protective disc, switch master frames, patch boards, swing slots, a clamp bin, swing knife switches, a clamp convex plate, a shaping copper plate, first connecting posts, an adjusting frame, a telescopic top bolt, a second connecting post, an assembling bin, a rotary ring, connection slots, overturn plates, inserting plates, clamp rings and plugging slots. The beneficial effects of the electrical switch are that the clamp bin in the protective disc and the clamp convex plate on the switch master frames are clamped and fixed so that the switch master frames are enabled to be isolated from the outside, electric shock caused by mistakenly touching the switch master frames can be avoided for people and the use safety can be guaranteed; the assembling frame is clamped and connected with the wall of the factory, and the extension length of the telescopic top bolt can be changed by people through screwing the rotary ring according to the requirement for the actual space size of different wall connection slots so that the bending radian of the shaping copper plate can be changed, assembling is ensured to be more solid and accurate and the universality of adaption can be guaranteed; and the electrical switch is convenient to operate and all the components are flexible in connection.

The application relates to a sampling cooler for petrochemical industry, which includes a frame, a cooling cylinder rotatably arranged on the frame, and a driving assembly that drives the cooling cylinder to rotate around its own axis. The cooling cylinder is fixed with a first sleeve and a second sleeve The outer wall of the first casing and the inner wall of the second casing form an annular first flow passage, and the second casing and the inner wall of the cooling cylinder form an annular second flow passage, and the first flow passage is fixed The first helical tube is helically arranged along the axis of the cooling cylinder as the centerline, and the second helical tube is fixedly arranged in the second flow channel along the axis of the cooling cylinder as the centerline, wherein the helical directions of the first helical tube and the second helical tube are opposite . The application has the ability to drive the cooling cylinder to rotate through the driving assembly, so as to drive the first spiral tube and the second spiral tube to rotate together, so as to guide and push the viscous sample medium in the first flow channel and the second flow channel, and accelerate the viscous The flow of sample medium reduces clogging of viscous sample medium.

The invention relates to a dispensing disc for annular glue discharge, which includes an annular glue needle and a rubber barrel; the glue barrel is arranged in the middle of the glue dispensing tray, and supplies glue to the glue needle through an annular glue channel under external pressure, so that The glue is extruded from the bottom of the glue needle; the vertical section of the glue channel is a flat S-shaped curved channel; the invention can realize the circular linear glue discharge, and for the circular workpiece, the dispensing speed is greatly improved, and at the same time Its design can also reduce or avoid glue dripping and meet actual production needs.

The invention discloses a physiotherapy device used for treating neurological diseases. The physiotherapy device comprises a supporting table and a cushion located on the supporting table, wherein an electric hinge is installed on one side of the cushion, and the electric hinge is rotatably connected with a backup plate; a through opening is formed in the middle of the backup plate, a plurality of groups of sliding rails are arranged in the opening, and the sliding rails are distributed from top to bottom in sequence; and an adjustable massage mechanism is connected to the sliding rail in a sliding mode. The position of the adjustable massage mechanism can be conveniently adjusted, and therefore, different positions of the back of a patient can be massaged and conditioned.