34results about How to "Guaranteed not to deviate from" patented technology

The invention relates to a welder, in particular to an automatic butt welder, which is applicable to welding between cylinders with different diameters and tube plates. The automatic butt welder comprises a straight shank empty cold welding torch, an elevating gear and a transversal arm fixed on the elevating gear, wherein the straight shank empty cold welding torch is fixed on the transversal arm. The automatic butt welder is characterized in that the transversal arm is formed from a front arm and a rear arm connected by a coupling, springs are fixed on the front arm and the rear arm, a sleeve with adjustable height is arranged on the front arm, a transversal sliding shaft is arranged on the lower part of the sleeve, a roller is arranged on the top end of the transversal sliding shaft, a longitudinal telescopic rod is arranged on the front arm, a curved rod is arranged on the top end of the telescopic rod, and rollers are arranged on both ends of the curved rod. The automatic butt welder has a unique mechanical limit structure of the front arm and the rear arm, solves the problem that the head of a welder is regulated continuously during welding because a cylinder rotating on a rotator deviates longitudinally, and ensures no deviation from welds during welding.

The invention relates to pressure meter assembling equipment. A pressure meter is conveyed below a mounting mechanism by a feeding mechanism; a clamping lifting cylinder of the mounting mechanism drives a lifting connection plate to move up and down on a lifting slide rail, a cam is driven to lift, the cam is descended to drive a meter clamping lever to clamp the pressure meter, the cam is ascended to drive the meter clamping lever to loosen the pressure meter, firstly, the meter clamping lever is loosened, a lifting mechanism drives the mounting mechanism to move downwards to clamp the pressure meter, the feeding mechanism returns back to the initial position, then a rotary mechanism is moved to drive a pressure meter seat to move to a place below the mounting mechanism, a compressing mechanism clamps the pressure meter seat, the mounting mechanism is driven by the lifting mechanism to move downwards, and when the pressure meter reaches a place above the pressure meter seat, the mounting mechanism is driven to drive a rotary spindle to rotate, so the pressure meter is rotated and descended to be screwed into the meter seat, and when the torsion achieves a certain value range, the pressure meter stops rotating. The assembly of the pressure meter is full-automatically performed, the labor intensity of operation staff is reduced, and the production cost is reduced.

The invention discloses a ground avoiding-free car carrying plate, and relates to the technical field of mechanical equipment manufacturing. The ground avoiding-free car carrying plate comprises a car carrying plate body composed of wheel way plates, car carrying plate transverse beams and a slope plate, wherein guide wheels which move on parking spot rails are installed below the wheel way plates, a steering device is arranged at the front end of one wheel way plate, a car carrying plate steering auxiliary device is arranged on one side of the car carrying plate body, and a driving device is arranged at the rear end of the car carrying plate body. The ground avoiding-free car carrying plate solves the problem cars cannot be taken out from or parked on a dense parking lot conveniently and a ground layer of a multi-layer parking lot, and meanwhile the problems that an existing car carrying plate is complex in structure, large in number of control devices and high in requirement for control precision, and cannot be conveniently adjusted or transported or installed are solved.

The invention relates to rigid surgical devices formed from rigid ceramics such as zirconium dioxide. In particular, the invention relates to a neurosurgical catheter formed from extruded zirconium dioxide. The invention also relates to an advancement means for advancing or retracting such a device along an axis of insertion into a patient.

The invention relates to a path guide information expressing method and device based on live-action. The method includes the following steps that matching correlation preprocessing is carried out on a live-action point and a two-dimensional road network; according to navigation steering guide information, guide point information, road entering information and road exiting information are determined; the longitude and latitude coordinates of a live-action observation point are calculated according to longitude and latitude coordinates of a guide point; according to the calculated longitude and latitude coordinates of the live-action observation point, a live-action picture of the coordinate position is obtained from a live-action data base; the back-projection pixel coordinate position, on a live-action guide picture, of the guide point is calculated; according to the back-projection position, the display angle of the live-action guide picture is calculated; the picture back-projection positions of a road entering shape point and a road exiting shape point are calculated, and then guide back-projection information of a road is marked in an arrow form according to the traveling direction. The path guide information expressing method and device provide more accurate navigation information indications for a user and can ensure that marking information is accurately marked on the correct road.

The invention discloses intelligent stamping equipment for industrial production. The equipment comprises a supporting table, supporting plates, a rack, a push plate and a compression spring; two groups of supporting plates are fixed to the top end of the supporting table, and a walking beam is mounted above the part, between the adjacent supporting plates, of the supporting table; a stamping mechanism is fixed at the center position of the interior of the walking beam, and a placing box is fixed to one end, close to the supporting plates, inside the walking beam; a lifting motor is installedin the placing box, an output end of the lifting motor is provided with a first rotating shaft through a coupling, and a gear is fixed to the surface of the first rotating shaft; and a rack is fixed to one side, close to the gear, on the outer wall of each supporting plate, and a control panel is installed on the outer wall, away from one side of the placing box, of each supporting plate. The stamping equipment not only realizes automatic switching of different types of stamps, improves the working efficiency of the stamping equipment, ensures that the positions of the stamps are not deviated,and improves the use range of the stamping equipment.

The invention discloses methods for vacuum brazing, assembling and locating a radio fuse antenna radiator, which comprise the following steps that (1) a locating pin is utilized to preliminarily locate; and (2) at the welding line of a cover plate and a cavity body, burrs are generated through the nailing of a burr positioning tool, so precision locating is carried out. The method for locating is utilized, a soldering flake can be well enabled not to dislocate during the assembling process, the seam in the cover plate is enabled not to deviate, and the molten soldering flux is enabled to uniformly and fully filled, and does not flow into the cavity. The cavity and the cover plate can be tightly, uniformly and smoothly fit with each other, accordingly, the welding strength, air tightness and surface appearance quality are well ensured, the electrical property is enabled to be qualified, and finally, the welding quality can be enabled to satisfy the requirements of technical conditions. The methods for assembling and locating are utilized, the consumption of manpower and material resources is reduced, and the average assembling time for each set is 33 minutes, so the assembling efficiency is improved.

The invention discloses a mechanism for achieving a function of cutting while walking of an automatic cutting machine. The mechanism is arranged in an upper seat of the automatic cutting machine. The upper seat is provided with a vacuum cavity, bristles capable of walking along an annular track are arranged in the vacuum cavity, meanwhile the upper surface of the upper seat is provided with an opening, and the bristles at the opening position are in contact with the outside. The mechanism for achieving the function of cutting while walking comprises an annular cloth tape arranged in the upper seat and located on the peripheries of the bristles and a pair of cloth tape tensioning devices relatively arranged in the upper seat to tension the cloth tape, wherein the cloth tape at the corresponding opening position tightly presses the bristles under the atmospheric pressure of the outside so as to drive the whole cloth tape to move with the bristles. The mechanism for achieving the function of cutting while walking of the automatic cutting machine has the advantages of reducing the stopping times and the fault rate of devices, achieving synchronous cloth cutting and delivery, saving the waiting time, improving the cutting efficiency, improving the working quality and saving a device space.

The invention relates to a reversing valve, aiming at providing a valve which can realize the transportation of different flow directions and different media with simplified technological pipelines, reduced pipeline flow resistance and leakage; and the reversing valve is characterized in reduced investment outlay, reduced energy consumption and simplified and convenient technological operation. The technical proposal is that: the reversing valve comprises a valve body, a valve rod which penetrates the inner cavity of the valve body and can move linearly, a valve clack fixed at the top of the valve rod and a forcing mechanism which drives the movement of the valve rod; two mutually communicated feed pipes and a discharge pipe are arranged on the valve body; an upper valve base and a lower valve base are respectively formed at the connection places of the two feed pipes and the discharge pipe in the inner cavity of the valve body and have the same size and are opposite to each other; the central line of the two valve base coincides with the axis of the valve rod; the valve clack is positioned between the two valve bases; the upper and the lower end faces of the valve clack are respectively provided with seal faces that are respectively matched with the upper valve base and the lower valve base; when the valve rod drives the valve clack to move upward and downward, the seal faces respectively close a feed pipe and open another feed pipe.

The invention discloses a satellite guidance firefighting cluster bomb. A cavity is formed by a head cover, a foam front shell, a foam middle shell, a foam rear shell and a control cabin shell, multiple firefighting sub bombs are placed in the cavity, a driving device is assembled to enable the bomb to be in the sky after the ignition point is achieved, firefighting sub bombs can be thrown, the ignition point is subjected to fire extinguishing agent throwing from the air, the coverage range is large, and crown fire and ground surface fire can be considered.

The invention discloses a precise and environmentally-friendly drilling method for a multi-angle building wall face. According to the drilling method, a shear-fork telescopic frame is adopted as a motion structure for the remote control of an electric hammer drill, a lower limiting adjusting rod is creatively arranged on a hinging shaft of a bottom shear fork frame in a sleeving mode, the lower end of the lower limiting adjusting rod is perpendicularly and movably inserted into a folding rod, an upper limiting adjusting rod is arranged on a hinging shaft of a top shear fork frame in a sleevingmode, and the upper end of the upper limiting adjusting rod is perpendicularly inserted into an electric hammer drill mounting frame. The fact that a drill head does not deviate from the drilling route in the telescopic and moving process of the shear form telescopic frame is ensured through the effective limit of the lower limiting adjusting rod and the upper limiting adjusting rod.

The invention discloses a font generation method and device based on a multi-task discriminator generative adversarial network, and the method comprises the steps: taking a font image created by a user as a style image, inputting the style image into a generative adversarial network obtained through pre-training, and obtaining a font library, wherein the training process of the generative adversarial network comprises the following steps: taking a training sample and a sample style image as input of a generator, and obtaining a target image output by the generator; inputting the target image and the sample font image into a first discriminator, and adjusting a loss function of the first discriminator by taking the difference between the font content of the target image and the font content of the sample font image as a training target; and inputting the target image and the sample style image into a second discriminator, and adjusting a loss function of the second discriminator by taking a difference between a font style of the target image and a font style of the sample style image as a training target. By means of the scheme, the error rate of font generation can be reduced under the condition that it is guaranteed that the fonts do not deviate from the font styles.

The invention discloses a process for modifying an optical fiber preform, comprising the steps of 1) using a quartz rod cutter to cut a rod preform to obtain a primary quartz rod; 2) secondarily processing the primary quartz rod in a secondary former to obtain a secondary quartz rod; 3) embedding a conductive material in the secondary quartz rod, and sealing with a sealing machine to obtain the optical fiber preform. Special cutting equipment is used herein, zero offset from the axis can be ensured during cutting of a quartz rod, a variable-frequency speed-adjusting motor is arranged in a motor box, speed adjusting is facilitated, and resource and energy can be saved. Special secondary forming equipment is provided, and manual and electric feeding can be achieved; special sealing equipment is also used, non-uniform local distribution of film is avoided, and the preform is more attractive.

The invention discloses a nanoscale precision piezoelectric driving linear displacement table which comprises a matrix, a sliding rail, a driving base, a flexible mass block, a piezoelectric driving unit, a position sensor unit and a stick-slip friction assembly. The flexible mass block and the piezoelectric driving unit are matched through a spherical contact and a spherical concave surface, a self-positioning function is realized, it can be effectively guaranteed that a stress point does not deviate, and the requirements for machining precision and assembling precision are lowered. Comparedwith a traditional point contact or plane contact mode, the contact area is increased, and the service life is prolonged. A flat bridge part on the flexible mass block has an elastic function and canaccept certain deformation, so that the influence of installation errors on plane contact is effectively eliminated. In addition, the whole structure of the nanoscale precision piezoelectric driving linear displacement table is simple and compact, the size is small, the sliding rail is driven in a stick-slip mode without up-down friction, and only single friction in the stick-slip motion exists, so that the power loss and the requirements for other parts are effectively reduced, the working stability is good, and the application range is wide.

The invention relates to a railway steel rail head flaw detection vehicle and a usage method thereof. The device comprises an arc-shaped frame, a cross beam, a probe position adjusting assembly and aside wheel assembly, one side wall of the arc-shaped frame is fixedly connected with one end of the cross beam, first horizontal wheels are installed at the two ends of the bottom of the arc-shaped frame respectively, the probe position adjusting assembly is installed in the middle of the arc-shaped frame, the side wheel assemblies are fixed to the two ends of the bottom of the inner side wall ofthe arc-shaped frame respectively, and each side wheel assembly comprises a magnet base and a first side wheel frame. In the detection walking process, the first side wheel is tightly attached to theinner side face of the steel rail all the time and does not shake, it is guaranteed that the detection portion of each probe does not deviate, the detection accuracy is improved, the multiple probes are integrated, the vulnerable surface of the steel rail can be covered, and therefore the detection efficiency is greatly improved.

The invention provides an optical zoom module. The optical zoom module comprises a plurality of sub-lenses which are coaxially arranged; the linear guide rods are parallel to the axis; the plurality of carriers are used for mounting the sub-lenses, at least two of the carriers are movable carriers, and each linear guide rod penetrates through at least two movable carriers, so that the at least two movable carriers can move along the linear guide rod respectively; the limiting structure is fixed to the relative position of the linear guide rod and limits the moving stroke of the movable carrier; and the buffer layer is arranged on the end face, facing the movable carrier, of the limiting structure, or arranged on the end face, facing the limiting structure, of the movable carrier, or arranged on the end face of the lens barrel. The invention also provides a corresponding portable terminal device. According to the invention, high-quality continuous optical zooming can be realized, and sound and vibration caused by collision of the movable carrier can be prevented, so that the user experience is improved.

The invention provides a waterwheel-like chain-box-type vertical fuel conveying device. A mechanical transmission part of the device is arranged in a containing body; a driving component is arranged outside the containing body; the upper end and the lower end of the containing body are respectively connected with slotted roller paths. The mechanical transmission part comprises a driving wheel, a driven wheel, a driving chain, and a plurality of chain boxes fixed on the driving chain to hold spherical nuclear fuel elements; the driving wheel is driven by the driving component and drives the driven wheel to rotate by the driving chain; each chain box is a box with an open end; and each box body is provided with a centering guide plate for ensuring that the corresponding spherical nuclear fuel element is located at the center of the chain box. A side wall, in contact with the drive chain, at the open end of the box extends outwards to form a diverting plate for diverting the spherical nuclear fuel elements into the chain boxes or providing a rolling distance for enabling the spherical nuclear fuel elements to enter the slotted roller paths. Mesh between the drive chain and the drive wheels is ensured by correction pieces fixed to the inner side wall of the containing body. The device is reliable in operation, simple in structure and high in economy.

A bend pipe forging die with a springing device comprises a fixed die body and a movable die body, wherein the movable die body is arranged below the fixed die body; a convex die body is arranged on a forging surface of the fixed die body; a concave die body which is matched with the convex die body is arranged on a forging surface of the movable die body; the convex die body is matched with the concave die body to form a forging cavity of which the shape is matched with that of a bend pipe; the springing device is arranged in the movable die body; a downward blind hole is formed in the forging surface of the movable die body; the springing device comprises a first spring arranged at the bottom of the blind hole and a pressure lever arranged on the first spring; the upper end of the pressure lever extends out of the blind hole; the upper part of the pressure lever is a wedge-shaped surface; a through hole is formed in a position, which corresponds to the forging cavity, of the wedge-shaped surface; a push rod which is matched with the wedge-shaped surface of the pressure lever is arranged in the through hole; and a resetting spring is arranged on the push rod. The springing device is arranged in the movable die body, so that a finished bend pipe can be unloaded from the die when stripped from the die; the labor intensity of workers is reduced; and the forging efficiency of the bend pipe is improved remarkably.

The invention relates to a path guide information expressing method and device based on live-action. The method includes the following steps that matching correlation preprocessing is carried out on a live-action point and a two-dimensional road network; according to navigation steering guide information, guide point information, road entering information and road exiting information are determined; the longitude and latitude coordinates of a live-action observation point are calculated according to longitude and latitude coordinates of a guide point; according to the calculated longitude and latitude coordinates of the live-action observation point, a live-action picture of the coordinate position is obtained from a live-action data base; the back-projection pixel coordinate position, on a live-action guide picture, of the guide point is calculated; according to the back-projection position, the display angle of the live-action guide picture is calculated; the picture back-projection positions of a road entering shape point and a road exiting shape point are calculated, and then guide back-projection information of a road is marked in an arrow form according to the traveling direction. The path guide information expressing method and device provide more accurate navigation information indications for a user and can ensure that marking information is accurately marked on the correct road.

The invention discloses a combustor box body device with the stepping air mixing function. A combustor box body is a square sealing box body. A three-section partition box is fixedly installed inside the square sealing box body, wherein the three-section partition box is provided with a first vertical plate and a second vertical plate both of which divide the square sealing box body into three independent spaces. An air mixing device is arranged between the two vertical plates, the minor diameter end of the air mixing device penetrates out of the first vertical plate, the major diameter end of the air mixing device penetrates out of the second vertical plate, the air mixing device is connected with a gas pipe, first stepped air inlets are formed in the side wall, opposite to the first vertical plate, of the square sealing box body, second stepped air inlets are distributed in the first vertical plate, an air supplement port is formed in the minor diameter section of the air mixing device, third stepped air inlets are evenly formed in the stepped end face of the air mixing device along the circumference, fourth stepped air inlets are distributed in the second vertical plate, an ignition needle is arranged between the second vertical plate and the side wall of the corresponding square sealing box body, and a combusting pipe which is coaxial with the air mixing device is fixed on the square sealing box body in a welding mode. Fuel gas and the air are mixed evenly, safety is high, and the flame is long.

The invention relates to a pressure meter seat moving mechanism, comprising a bottom plate, a mobile module, a rotary module, a clamping module, a pressure meter seat and a pressure meter; the mobile module and the clamping module are arranged on the bottom plate respectively; the rotary module is arranged on the mobile module; the pressure meter seat is positioned on the rotary module by a clamp; the pressure meter is mounted on the pressure meter seat; a mobile cylinder of the mobile module drives the pressure meter seat to a machining position; the direction of the pressure meter seat is rotated to a designated position by the rotary module, then a clamping cylinder clamps the pressure meter seat and ensures that the pressure meter seat is not loosened in the use process, and the pressure meter seat can freely rotate in the rotation process. The pressure meter seat moving mechanism can perform rotation motion while clamping, the rotating positioning precision is high, and a work position is not deviated as a rotary motor of the rotary module can be braked. The labor intensity of operation staff is reduced, and the production cost is reduced.

The invention provides a positioning device for flat printing, which includes a machine platform with a groove in the middle, a center platform located in the groove, a vacuum generator, and a cylinder, the plane of the center platform is higher than the plane of the center platform, The upper surface of the center platform is provided with an adsorption hole connected with the vacuum generator, and guide frames are arranged along the length direction of the center platform on both sides of the center platform, and the inside of the guide frame is along the direction of the guide frame. A guide groove is provided in the length direction, the outer wall of the guide frame is connected to the cylinder, fixed plates parallel to each other are provided on both sides of the machine table, and a plurality of rotating rollers arranged up and down staggered are arranged between the fixed plates . The invention is provided with multiple positioning, which ensures the smoothness of the paper surface and the printing quality.

The invention discloses a vehicle-carrying board without avoidance on the ground, which relates to the technical field of mechanical equipment manufacturing; it comprises a car-carrying board body composed of a wheel track board, a vehicle There are guide wheels moving on the parking track, the front end of the wheel track plate is provided with a steering device; drive unit. The invention can solve the problem of inconvenient loading and unloading of vehicles on the ground floor of dense parking lots and multi-storey parking lots, and also solves the problem that the existing vehicle-carrying boards have complex structures, many control components and high control precision requirements, and are not easy to debug , The problem of inconvenient transportation and installation.

A bend pipe forging die with a springing device comprises a fixed die body and a movable die body, wherein the movable die body is arranged below the fixed die body; a convex die body is arranged on a forging surface of the fixed die body; a concave die body which is matched with the convex die body is arranged on a forging surface of the movable die body; the convex die body is matched with the concave die body to form a forging cavity of which the shape is matched with that of a bend pipe; the springing device is arranged in the movable die body; a downward blind hole is formed in the forging surface of the movable die body; the springing device comprises a first spring arranged at the bottom of the blind hole and a pressure lever arranged on the first spring; the upper end of the pressure lever extends out of the blind hole; the upper part of the pressure lever is a wedge-shaped surface; a through hole is formed in a position, which corresponds to the forging cavity, of the wedge-shaped surface; a push rod which is matched with the wedge-shaped surface of the pressure lever is arranged in the through hole; and a resetting spring is arranged on the push rod. The springing device is arranged in the movable die body, so that a finished bend pipe can be unloaded from the die when stripped from the die; the labor intensity of workers is reduced; and the forging efficiency of the bend pipe is improved remarkably.

The invention discloses a method for installing a large-volume steel frame flue. The ground installation of the steel frame and the flue includes the following steps: S1: first prepare the steel frame foundation, and then lay wires on the steel frame foundation, Marking the installation position of the flue, and setting the wall plate, the bottom plate and the top plate at the installation position of the flue; S2 marking the installation position of the steel frame column at the wall plate; S3 Open at the installation position of the steel frame column, hang the steel frame column into the opening; S4 set the steel frame body on the steel frame foundation; also include the following steps: S5 install and flip Jack; S6 lifts the inverted roof to complete a lifting stroke of the inverted pull rod; S7 lifts the inverted roof after the lifting stroke of the inverted pull rod is completed, and repeats from step S5 to complete the entire large section The installation of the flue. The beneficial technical effect of the present invention is reflected in: safe construction, short construction period, less requirements on the site, and no need to use large-scale hoisting equipment.

The invention relates to a welder, in particular to an automatic butt welder, which is applicable to welding between cylinders with different diameters and tube plates. The automatic butt welder comprises a straight shank empty cold welding torch, an elevating gear and a transversal arm fixed on the elevating gear, wherein the straight shank empty cold welding torch is fixed on the transversal arm. The automatic butt welder is characterized in that the transversal arm is formed from a front arm and a rear arm connected by a coupling, springs are fixed on the front arm and the rear arm, a sleeve with adjustable height is arranged on the front arm, a transversal sliding shaft is arranged on the lower part of the sleeve, a roller is arranged on the top end of the transversal sliding shaft, a longitudinal telescopic rod is arranged on the front arm, a curved rod is arranged on the top end of the telescopic rod, and rollers are arranged on both ends of the curved rod. The automatic butt welder has a unique mechanical limit structure of the front arm and the rear arm, solves the problem that the head of a welder is regulated continuously during welding because a cylinder rotating on a rotator deviates longitudinally, and ensures no deviation from welds during welding.

The invention discloses a method for installing a large-size steel frame flue. The ground installation of the steel frame and the flue comprises the following steps that S1, a steel frame foundation is prepared, then a wire is laid out on the steel frame foundation, the flue installation position is marked, and the wall plate, the bottom plate and the top plate are arranged at the flue installation position; S2, the installation position of the steel frame upright post is marked at the wall plate; S3, an opening is opened at an installation position of the steel frame upright post, and the steel frame upright post is hang into the opening; S4, the steel frame body is arranged on the steel frame foundation; S5, an inverted top is installed; S6, the inverted jacks is lifted to finish a lifting stroke of the inverted lifting rods; and S7, after the lifting stroke of one of the reverse pulling rods is completed, the inverted jacks are lifted again, and the step S5 is repeated to complete the installation of the whole large-section flue. The method has the beneficial technical effects that the construction is safe, the construction period is short, the field requirements are few, and large hoisting equipment is not needed.

The invention provides a cylindrical electronic coupling putting box. The cylindrical electronic coupling putting box comprises a box body, wherein a box cover is arranged on the box body, storage plates which are matched with a guide sliding block are arranged in the box body, storage areas are formed on the storage plates and comprise a plurality of storage units, the storage units are formed bythree storage blocks, permanent magnets are embedded into the storage blocks and are used for adsorbing electronic couplings, the spacing between the storage plates is controlled by virtue of positioning grooves and positioning posts, sponge is arranged and is matched with the permanent magnets, so that the electronic couplings on the storage blocks do not deviate, and the storage plates are taken by virtue of pull rods, so that a plurality of layers of storage plates are conveniently stacked. The cylindrical electronic coupling putting box has the advantages of reasonable design, stable structure, convenience for carrying, low cost and convenience in arrangement, the electronic couplings are convenient to store and take, and the condition that the electronic couplings are damaged due tothe disorder of the electronic couplings is avoided.