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 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 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.

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 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 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 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.