41results about How to "Change arc" patented technology

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 discloses a self-dumping transport vehicle and relates to the technical field of vehicle transport. A stretching piece with certain strength and elasticity is arranged between a bottom board and a front side wall. One end of the stretching piece is fixed to the bottom board, and the other end of the stretching piece is attached to the front side wall and moves up and down in the axial direction of the front side wall. When materials are dumped, the end, attached to the front side wall, of the stretching piece moves up and down, the angle between the end, attached to the front side wall, of the stretching piece and the end, attached to the bottom board, of the stretching piece is increased, the materials stacked in the position are dumped out of a bucket, the materials at thebottom of the front end of the bucket are automatically dumped, manual operation is reduced, and automatic cleaning is achieved.

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 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 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 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 relates to a decorating plate cooling device. The decorating plate cooling device comprises a cooling tank and a substrate arranged in the cooling tank, and is characterized in that a plurality of groups of T-shaped fixing nails are arranged on the bottom surface of the substrate, and each group comprises the two fixing nails. In addition, the decorating plate cooling device further comprises a plurality of elastic adjusting plates which correspond to grooves of a decorating plate, and guiding threads are arranged on the bottom surface of each adjusting plate. Each adjusting plate of the decorating plate cooling device is mounted between the corresponding adjacent fixing nails; when the decorating plate cooling device is used, cooling liquid flows through a gap between each adjusting plate and the corresponding groove of the decorating plate, spiral water flow is formed under the effect of the guiding threads of the adjusting plates, the speed of the cooling liquid which flows through the decorating plate and the change frequency of the cooling liquid are increased, and the cooling efficiency is improved.

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 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 inverted arch formwork applied to an inverted siphon pipeline of a three-pipe and one-connected concrete structure, which is used for the construction of the inverted siphon pipeline, comprising: an inverted arch formwork whose cross section is arc-shaped; The inverted arch formwork is fixedly connected; the cross-beam inner-pulling support beam is arranged on both sides of the upper end face of the truss, and is fixedly connected with the truss; the connection between the cross-beam inner-pulling support beam and the truss is provided with a through hole; Pull steel bars, which pass through the through holes, and are anchored to the floor surface. In the present invention, the truss and the inverted arch formwork are combined to form a whole, the strength of the inverted arch formwork is increased, and the deformation of the inverted arch formwork can be prevented during the concrete pouring process. At the same time, the cross beam is added to the truss and the support beam is pulled inward. By pulling the bottom surface of the tie bar, the buoyancy of the concrete is resisted during the concrete pouring process, which effectively increases the overall strength of the inverted arch formwork without generating floating form, and reduces the phenomenon of honeycomb pitting. happened.

The invention discloses a full-automatic neonatal head shape correction and shaping instrument, which comprises a box body, a partition board is fixedly installed on the upper side inside the box body, and an opening is opened on the rear side of the top of the partition board, and the opening extends To the bottom side of the partition, both sides inside the opening are fixedly installed with mounting seats. The present invention is provided with the rotating motor, rotating plate, mounting block, push rod motor a, push plate, drawstring and pillow. When in use, the user can combine the plasticity of the baby's head according to the hardness and air permeability of the pillow. Demand, start the rotation motor, turn the turntable, select the most suitable pillow to turn to the top, then put the baby on the partition, and put the baby's head on the pillow, at the same time, start the push rod motor a. Push the push plate or retract the push plate, so that the push plate pushes the pillow flat, or pulls the pillow to change the curvature of the bottom of the pillow, so as to further meet the plastic demand of the baby's head.

The invention discloses a processing equipment for manufacturing oil cylinder parts. The processing equipment includes a machine body, the machine body is provided with a first shell, the outer wall of the first shell is fixedly provided with a fixing plate, the fixing plate is fixedly connected with the machine body through a fixing bolt, a longitudinal displacement mechanism is arranged inside the first shell, the upper end of the longitudinal displacement mechanism is fixedly connected to a carrier plate, a box body is fixedly arranged on the carrier plate, a second shell is arranged abovethe box body, a lateral displacement mechanism is installed in an inner cavity of the second shell, and the upper end of the lateral displacement mechanism is fixedly connected to the lower end of a placing plate; and electric telescopic rods are symmetrically arranged on the left side wall of the placing plate in a front-and-back symmetrical manner, and the output ends of two electric telescopicrods are fixedly connected with a rotating mechanism.

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 electro-brush plating device and method for parts. The method comprises the following steps of: pre-treatment before plating, clamping and fixing, electro-brush plating treatment, post-reading treatment and cleaning. The electro-brush plating device comprises a box body, a first fixing frame, a second fixing frame, a third fixing frame, a clamping assembly, a first electro-brush plating assembly and a second electro-brush plating assembly, wherein the first fixing frame, the second fixing frame and the third fixing frame are arranged on the box body; the clamping assembly is arranged on the third fixing frame; the first electro-brush plating assembly is arranged on the first fixing frame; the second electro-brush plating assembly is arranged on the second fixingframe; machining of the inner wall surface is finished through the first electro-brush plating assembly; and machining of the outer surface is finished by the second electro-brush plating assembly. The electro-brush plating device is simple in structure, high in electro-brush plating working efficiency, good in surface quality after plating, and capable of processing workpieces with multiple specifications, and a plating pen is long in service life.

The invention relates to a stone grinding device, more specifically, an adjustable stone grinding device, which includes a stone slab fixing seat, a grinding swing arm and a center adjustment mechanism. Adjustment can adjust the distance between the grinding machine and the stone time. The center-of-circle adjustment mechanism is installed on the stone slab fixing seat, and the swing arm for grinding is installed on the center-of-circle adjustment mechanism.