41results about How to "Change arc" patented technology

The invention discloses a combined-type movement mechanism which comprises a displacement output shaft, a limiting pin, a mechanism shell, a screw rod, a lead screw, a bearing, a coupler and a rotating driving element. The lead screw of the movement mechanism provides linear movement power for the displacement output shaft. The screw rod provides rotating movement power for the displacement output shaft. Linear displacement, rotating displacement and combined displacement are controlled in the mode of a limiting groove, and then the output form of the displacement output shaft is determined. By using the combined-type movement mechanism, linear movement and rotating movement can share a set of mechanism. The combined motion sequence of the linear movement and the rotating movement can be achieved by adjusting structural parameters or control parameters, the structure is simple, the size is small, the weight and the power are low, and the combined-type movement mechanism can be applied to the aspects such as automatic production line devices special for mass production and automatic opening and closing of device vehicle cabin doors, and have good application prospects.

The invention discloses a glass fiber-reinforced polyurethane sun roof and a production method thereof. The production method is characterized by comprising the following steps of: laying materials according to an order of a nonwoven fabric layer, a glass fiber felt layer, a honeycomb paper layer and a glass fiber felt layer neatly; spraying polyurethane materials on front and back sides of the materials; feeding the materials sprayed with the polyurethane materials into a mold; reacting under the action of the temperature and the pressure of the mold to bond the materials into a whole by thepolyurethane materials so as to produce a polyurethane product. The structure of the polyurethane product is that: an upper glass fiber-reinforced polyurethane layer (1) and a lower glass fiber-reinforced polyurethane layer (2) are positioned above and below the honeycomb paper layer (3) respectively; and a nonwoven fabric-reinforced polyurethane layer (4) is positioned below the lower glass fiber-reinforced polyurethane layer (2), and also can be positioned above the upper glass fiber-reinforced polyurethane layer (1). By the polyurethane sun roof produced by the method of adding the nonwoven fabric layer besides the glass fiber felt layer, the radian of the product can be changed, so that the radian of the product meets requirements, cost is saved and the quality of the product is improved simultaneously.

The invention provides a lining trolley for construction of a main cave and an emergency vehicle avoidance strip. The lining trolley comprises a trolley body which comprises a main cave construction trolley body and emergency vehicle avoidance strip construction accessories. The main cave construction trolley body comprises a portal part and the like. The portal part comprises a portal truss, a bracket and the like. The portal truss comprises a portal cross beam and an adjustment oil cylinder assembly. The portal cross beam comprises two relatively movably arranged portal cross beam sections. The adjustment oil cylinder assembly comprises an oil cylinder and a telescopic oil cylinder extension which are arranged in series. The bracket comprises two detachably connected bracket cross beam sections. The emergency vehicle avoidance strip construction accessories comprise a top widening mold, a bracket cross beam extension and an auxiliary connecting piece. Through application of the lining trolley, demands of main cave section construction and emergency vehicle avoidance strip construction are simultaneously met, the assembly process of the lining trolley is simplified, the cost is reduced, and construction efficiency is improved. The invention further discloses a construction method of the lining trolley, the practicality is high, and working efficiency is high.

The invention discloses an intelligent logistics transporting tool. The tool comprises a transfer device and an automatic releasing device; the transfer device comprises a horizontally-arranged fixingplate; a driving wheel is arranged at one end of the fixing plate; a rotating shaft is fixedly arranged on the outer ring of the driving wheel; a driven wheel is rotationally connected onto the rotating shaft; a gear is connected in the middle of the fixing plate through a gear rotating shaft; a rack extends on the outer edge of the driven wheel; a limiting rod is further rotationally connected onto the gear rotating shaft; an abutting part is arranged at the lower end of the limiting rod; and the abutting part abuts against the back surface of the rack to enable the rack to keep meshing withthe gear. According to the transfer device of the tool, the moving track and the transporting distance can be changed through setting of the initial angle of a driving rod, the meshing length of therack can be changed through changing of the rotating radius of the driven wheel, and thus the radian of reciprocating motion of the gear can be changed. Automatic releasing can be realized by the automatic releasing device, and the practical and convenient effects are realized.

The invention discloses intelligent logistics transfer equipment. The intelligent logistics transfer equipment comprises a transfer device and an automatic release device; the transfer device comprises a fixed plate horizontally arranged; a driving wheel is arranged at one end of the fixed plate; a rotating shaft is fixedly arranged on an outer ring of the driving wheel, and is rotationally connected with a driven wheel; the middle position of the fixed plate is connected with a gear through a gear rotating shaft; a rack extends from the outer edge of the driven wheel; the gear rotating shaftis rotationally connected with a limiting rod; a butting part is arranged at the lower end part of the limiting rod; and the butting part butts against the back surface of the rack to keep engagementbetween the rack and the gear. The transfer device can change a motion trajectory and a carrying distance by setting an initial angle of a driving rod, and can change an engagement length of the rackby changing a rotating radius of the driven wheel so as to change a radian of a reciprocating motion of the gear. The automatic release device can realize automatic release to achieve practicability and convenience.

The invention relates to an adjustable arc-shaped guide rail-type orbit retractor. The adjustable arc-shaped guide rail-type orbit retractor is matched with the length and the radian of a frontal orbit zone, and comprises an adjustable arc-shaped guide rail, a sectional inner orbital border template and a sectional outer orbital border template, wherein the adjustable arc-shaped guide rail is frontal orbit zone-mode guide rail, and consists of symmetrically sectional arc-shaped guide rails and universal joints for connecting the sectional arc-shaped guide rails; a plurality of fixing rod thread grooves and traction rod sliding grooves are formed in the arc-shaped guide rail; a thread screw consistent with the sectional arc-shaped guide rails runs in the middle part of the arc-shaped guide rail; the sectional inner orbital border template and the sectional outer orbital border template are connected onto the lower edge of the frontal orbit zone-mode guide rail in mirror symmetry; a traction screw runs through and is fixed to the sectional inner orbital border template and the sectional outer orbital border template and is connected with the thread screw; the thread screw is rotated to drive any one of the inner orbital border template and the outer orbital border template which are fixed to the traction screw to slide transversely. The adjustable arc-shaped guide rail-type orbit retractor provides the frontal orbit zone-mode guide rail according to age characteristics of child patients to adapt to the radians and lengths of the frontal orbit zones of the child patients with different ages and meet needs of the patients with different ages, so that the best therapeutic effect is achieved.

The invention discloses intelligent transfer equipment for logistics. The intelligent transfer equipment comprises a transfer device and an automatic releasing device. The transfer device comprises afixing plate which is horizontally arranged. A driving wheel is arranged at one end of the fixing plate, and a rotating shaft is fixed to the outer ring of the driving wheel. A driven wheel is rotationally connected to the rotating shaft, and a gear is connected to the middle position of the fixing plate through a gear transmission shaft. The outer edge of the driven wheel is provided with a rackin an extending manner, and a limiting rod is further rotationally connected to the gear rotating shaft. The lower end of the limiting rod is provided with an abutting part, and the abutting part abuts against the back face of the rack so that the rack can be engaged with the gear. By means of the transfer device, the initial angle of a drive rod is set so that the movement track and the carryingdistance can be changed; and the engagement length of the rack can be changed by changing the rotating radius of the driven wheel, and therefore the radian of reciprocating movement of the gear is changed. The automatic releasing device can achieve automatically releasing, and practicability and convenience are achieved.

The invention discloses an adjustable mold. The adjustable mold comprises an upper mold and a lower mold, the upper mold is connected with the lower mold, the lower mold is provided with a lower mold cavity, the upper mold comprises an upper mold base and an upper mold plate, the upper mold base is provided with a positioning cavity, the upper mold plate is detachably installed in the positioning cavity, the position of the upper mold plate corresponds to that of the lower mold cavity, and the upper mold plate and the lower mold define a mold cavity. According to the method, only the upper mold plate needs to be customized according to the shape and radian of the sole of a customizer, in the injection molding process, the thickness of a customized insole can be adjusted and selected according to the weight of a foot and the height of the instep of the customizer, and the obtained customized insole fits the shape and radian of the sole of the customizer; and the thickness can meet the requirement of customizers for the size of the internal space of a shoe, and only the upper mold plate needs to be replaced for different customizers, so that the customization process and the customization cost are saved, the production period of the customized insole is shortened, and the requirements of users with special foot types are also met.

The invention provides a sunroof visor and a preparation method thereof, wherein the sunroof visor includes a glass fiber layer, an upper glass fiber reinforced polyurethane layer and a lower glass fiber reinforced polyurethane layer; the upper glass fiber reinforced polyurethane layer and the lower glass fiber reinforced polyurethane layer are respectively arranged on and below the glass fiber layer; a non-woven fabric reinforced polyurethane layer is arranged below the lower glass fiber reinforced polyurethane layer or on the upper glass fiber reinforced polyurethane layer. Compared with the prior art, the sunroof visor has outstanding substantial characteristics and obvious progress: 1, the polyurethane product is produced by using the method of increasing the non-woven fabric layer outside the glass fiber mat layer, the radian of the polyurethane product can be changed, and the radian of the product can meet the requirements; and 2, the cost for anew preparing a mold is saved, the manpower is saved, and at the same time, the quality of the product is improved.

The invention discloses a lifting system of a pneumatic motor with excellent operating conditions. The lifting system of the pneumatic motor is provided with locking equipment; the locking equipment is provided with a first connecting roller body, a second connecting roller body and a pair of connecting pieces; the pair of connecting pieces are arranged on two edges of a horizontal rod; a positioning port is formed in the horizontal rod; the first connecting roller body is inserted in the positioning port; two other ends are detachably connected with the pair of connecting pieces; two ends ofthe second connecting roller body are detachably connected with the pair of connecting pieces; the first connecting roller body and the second connecting roller body are both lead screws; the first connecting roller body is inserted in first through ports in the pair of connecting pieces, and the pair of connecting pieces are connected to the horizontal rod by thread grooves; and the second connecting roller body is inserted in second through ports of the pair of connecting pieces, and is positioned with the pair of connecting pieces by thread grooves face to face. The lifting system of the pneumatic motor prevents the problems of incapability of lifting devices to a correct target and incapability of meeting operation specifications due to higher constraint of the operation compatibilityin the prior art.

The invention discloses a textile fabric guiding device. The textile fabric guiding device comprises a device body, a winding assembly used for guiding textile fabric is arranged in the middle of the device body, mounting assemblies used for mounting the device are arranged at the two ends of the winding assembly, an elastic right rod and an elastic left rod which are used for elastic deformation are arranged at the two ends of the winding assembly correspondingly, a positioning and guiding assembly is arranged on one side of the elastic right rod, and an insertion rod used for elastic deformation is arranged on one side of the elastic right rod; and the invention relates to the field of spinning. The guiding device can effectively detect the overall elastic limit of textile fabric, accurately screen out high-quality fabric, avoid sudden looseness of the textile fabric, prevent the fabric from loosening and falling in the guiding process, detect the elastic strength of the fabric with different qualities, remove the fabric with flaws, ensure that the guiding quality is improved, and can be adjusted and mounted according to different widths of textile fabrics.

The invention relates to the field of robots, and particularly relates to a two-degree-of-freedom variable-rigidity ball-and-socket joint of a robot. The two-degree-of-freedom variable-rigidity ball-and-socket joint of the robot comprises a supporting frame, a ball-and-socket mechanism, a leaf spring mechanism and a rigidity adjusting mechanism, wherein a front plate of the supporting frame is provided with the ball-and-socket mechanism; the supporting frame is internally provided with the rigidity adjusting mechanism and the leaf spring mechanism; the leaf spring mechanism comprises a cam following block and two leaf springs; the cam following block is provided with two cams, and two leaf springs are arranged between the two cams; the cam following block is driven to move by the rigidityadjusting mechanism; both ends of a limiting groove semi-ring of the ball-and-socket mechanism and both ends of a power rod seat are hinged on the front plate of the supporting frame through rotatingshafts; a power rod is arranged on the power rod seat, and the front end of the power rod seat is arranged in a groove of the limiting groove semi-ring; each rotating shaft is provided with a spring pressing column; and each spring pressing column is arranged between the front ends of the two leaf springs of the leaf spring mechanism on the corresponding side. The two-degree-of-freedom variable-rigidity ball-and-socket joint of the robot has two characteristics of active rigidity adjustment and passive rigidity adjustment, and realizes large load bearing under the condition of a smaller corner.

The invention discloses a reliable pneumatic motor lifting system. A connecting bar can be a right-angled folding rule type iron block or an iron block with other materials, and two ends are connectedto vertical rods or horizontal rods of a pair of lifting modules by lead screw connecting structures; multiple lifting facilities are used for lifting devices to be lifted, so that the lifting characteristics of the lifting system can be improved, and the problem of a traditional lifting system incapable of lifting heavier devices is prevented; and the multiple lifting facilities are connected tothe horizontal rods of the pair of lifting modules at intervals, so that multiple parts of the devices to be lifted can be lifted, the radian range of the devices to be lifted is easily adjusted, andthe problem of incapability of lifting the devices to a correct target due to higher constraint on the operation compatibility in the prior art is prevented.

The invention discloses a radian-variable steel bar bending device. The device comprises a workbench. A rotary disc is rotationally connected to the middle of the workbench, a connecting disc is rotationally connected to the middle of the rotary disc, a rotary knob is fixedly connected to the upper portion of the middle of the connecting disc, a sleeve is fixedly connected to the middle of the rotary disc, and threads are formed in the outer side wall of the sleeve. Six curved plates are annularly arranged on the outer side of the sleeve, each curved plate is of an arc-shaped structure, a connecting ring is slidably connected to the outer side of the sleeve, a connecting column is fixedly connected to the lower portion of the right side of the workbench, a blocking column is fixedly connected to the upper portion of the left side of the workbench, a stepped groove is formed in the lower portion of the left side of the workbench, and a supporting plate is connected to the interior of the stepped groove in a sliding manner. According to the radian-variable steel bar bending device, by changing the positions of the curved plates and fixing plates, the bending radian can be changed when a steel bar is bent.

The invention relates to strip cold-rolling equipment, in particular to a hydraulic working roll bending device for a cold-rolling mill. The device comprises a stander and is characterized by also comprising embedded blocks, roll bending cylinders, a lower working roll system and an upper working roll system, wherein the roll bending cylinders are arranged in the embedded blocks; the embedded blocks are arranged on the stander by screws; and the lower working roll system and the upper working roll system are arranged between two embedded blocks. The device has the advantages of changing the radian of a working roll through the action of the roll bending cylinders without re-polishing the working roll, along with simple, compact and reasonable structure, spare part reduction, higher automation degree, low labor intensity, little auxiliary time, high work efficiency, simple structure and convenient manufacture.

The invention discloses an elevator capable of moving diagonally. The elevator consists of an elevator car system, a guide wheel system, a radian changing system and a hydraulic system, wherein the elevator car system consists of a guide rail, a bracket, an elevator car and a tractor; the guide wheel system consists of a guide wheel, a spring, a spring fixing frame and a guide wheel fixing frame; the radian changing system consists of a special sheet metal and a connection shaft; the hydraulic system consists of a hydraulic device, a hydraulic control device, a fixing frame, a gyroscope module and a bottom plate. Particularly, the radian of the elevator on the guide rail is changed through a metal bottom plate, the connection shaft and the guide wheel, so that diagonal movement can be realized; an angle between the floor in the elevator car and a contact surface is changed by the hydraulic device, so that the floor in the elevator car always keeps vertical to a horizontal plane; the elevator belongs to the field of industrial machinery; positioning and sensing control for the internal elevator car are realized by a gyroscope, and ascending and descending of the bottom plate of the elevator car are controlled by controlling the rise and fall of a hydraulic pressure, so that the elevator car can keep safe, accurate and stable during working.

The invention discloses an elastic electric conduction device. Under effects of a deformation mechanism, the elastic electric conduction device can change to a deformation position from an elastic recovery position. The elastic electric conduction device comprises at least one electric conduction unit having an elastic bar which can bend and elastically reset. The electric conduction unit is also provided with an acting end and an electric conduction assembly, the acting end can bend in an arc manner under action of the deformation mechanism, the electric conduction assembly is mounted on the elastic bar and is electrically conductive, the electric conduction assembly is applied to a lamp, and utilization scope of the clamp can be expanded. Due to the sheet-shaped structure of the elastic electric conduction device, the beneficial effects of the elastic electric conduction device are that no big space is occupied when the elastic electric conduction device is put away, the elastic electric conduction device is convenient to store and easy to carry, and other effects.

The cardiovascular nursing monitor structurally comprises a suction cup, a ferrule, a switch, a detection air cavity and a pressure regulating mechanism, the suction cup is connected to the detection air cavity, the detection air cavity is connected with the switch through the ferrule, the pressure regulating mechanism is arranged, an increasing device and a limiting structure are arranged on a power assisting body, and the pressure regulating mechanism is connected with the switch through the ferrule. When the progressive increase devices and the limiting structures are matched on the elbow guards and the baffle plate drags the vertical edge structure of the gasket to stretch along the inner wall of the barrel plug, the vertical edge structure slides to the closing clamp by virtue of the limiting structures, so that the closing clamp drives the elbow guards to swing along the elastic band and press the progressive increase devices one by one to rotate on the gasket; the clamping and pressing space provided for the baffle by the gasket can be flexibly adjusted, and the air pressure of the detection air cavity can be smoothly adjusted.

The invention provides an intelligent door and window structure with an atomization prevention function, relates to the technical field of doors and windows, and solves the problems that an existing intelligent door and window is not provided with a special atomization prevention device, when the outdoor temperature is low, the indoor and outdoor temperature difference is large, atomization phenomenon is generated on the inner surface of a glass window, and the atomization phenomenon of the glass can influence the light and the visual field of people. The intelligent door and window structure with the atomization prevention function comprises a door and window frame and a door and window, and the door and window is rotationally installed in the inner frame area of the door and window frame through hinges. The position of a gas guide transparent plate can be adjusted through up-down sliding of limiting slide blocks along the limiting slide blocks, conveniently, cold air or hot air bulging from the surface of the transparent glass is in contact with the inner circumferential surface of the gas guide transparent plate, the cold air or hot air is guided to blow to the transparent glass again through the radian of the inner circumferential surface of the gas guide transparent plate, and therefore, it is guaranteed that the cold air or the hot air can comprehensively carry out atomization prevention operation on the transparent glass of the door and window.

The invention discloses a steel bar bending processing device with a variable radian, which comprises a workbench. A sleeve is connected, and the outer wall of the sleeve is provided with threads. There are six curved plates arranged circularly on the outer side of the sleeve. The curved plates are arc-shaped structures. The connecting column, the upper left side of the workbench is fixedly connected with a blocking column, the lower left side of the workbench is provided with a stepped groove, and a support plate is slidably connected in the stepped groove. When changing the bending arc.

The invention discloses an unmanned plane arm with adjustable arm radians and angles. The unmanned plane arm comprises motors and a second arm, the rear sides of the motors are provided with telescopic fixing rods, the rear ends of the telescopic fixing rods are connected with a first arm, the upper side of a fixed chassis is provided with fixed ribs, an upper cover is fixed on the middle of the fixed ribs, first fixing holes are disposed on side surfaces of the fixed ribs, fixing blocks are fixed on the front and rear ends of the telescopic fixing rods, the first arm is connected to a lower end of the fixing block, the front end of the first arm is fixed with a second rotating shaft, and the rear end of the second arm is connected to the first arm through the second rotating shaft. The unmanned plane arm is provided with the telescopic fixing rods on the first arm and the second arm, which can effectively control the change of the radian of the unmanned plane arm, and a first rotatingshaft is also provided on the equipment to change the angle of the unmanned plane arm on the fixed chassis.