156results about How to "Solve alignment problems" patented technology

The invention discloses a Hopkinson pressure bar experimental apparatus. The Hopkinson pressure bar experimental apparatus is characterized by comprising an electromagnetic trigger switch (1), a heating furnace door automatic opening switch (2), an electromagnetic driving device (3), a driving panel (4), a bullet (5), an incident pole (6), a force sensor (7), a heating furnace (8), a heating furnace supporting device (9), a transmitting pole (10), a buffer device (11) and an air compressing and filtering device (12); and the heating furnace is designed for preventing a test piece from being oxidized at a high temperature while heating the test piece and keeping the temperature of the test piece; as high temperature can influence the conduction of stress wave, the digital image correlation (DIC) technology is used for obtaining the change images of the test piece and analyzing the strain, the force sensor is used for analyzing stress, so as to obtain a stress strain curve. The Hopkinson pressure bar is combined with the electromagnetic driving technology and the DIC technology, and therefore the application range of the Hopkinson pressure bar experiment is expanded and a new method for acquiring dynamic parameters of high temperature materials is provided.

The invention relates to a centering adjustment method for wheel sets of a locomotive test stand and a traction force meter stand thereof. In order to enable all locomotive wheels of a locomotive to completely fall into corresponding rail wheels in foundation pits of the test stand, during test, the centers of the locomotive wheels are required to be kept perpendicularly centered with the centers of the rail wheels, and the locomotive is required to run in location mode in the horizontal direction, and thus the tested locomotive can be ensured to run stably and safely on the test stand. The centering adjustment method of the test stand of the locomotive comprises the following steps of 1 selecting the central lines of the foundation pits of the rail wheels to serve as location reference lines; 2 adopting a double-traction force meter stand to serve as the test stand; 3 performing secondary centering adjustment on the locomotive wheel sets and the rail wheel sets; and 4 providing the same pre-tightening force for a car coupler of the tested locomotive, and offsetting or reducing the horizontal displacement of the locomotive caused by deformation of the car coupler buffer. A speed reducer shaft of the traction force meter stand is parallel with a crew, a nut is screwed on the screw, a chain wheel on the speed reducer shaft is connected with a chain wheel on the nut through a chain, and one end of the screw is connected with a traction force measurement device.

The invention relates to a 2D/3D(2 dimensional/3 dimensional) image switching display device which comprises an image display unit and an image switching unit combined with the surface of the image display unit, wherein the image switching unit comprises a first transparent substrate and a second transparent substrate; the surfaces of the first transparent substrate and the second transparent substrate are respectively and correspondingly provided with a first transparent conductive element and a second transparent conductive element; an electrochromic layer and an electrolytic layer are arranged on the first transparent substrate and the second transparent substrate; accordingly, when the image display unit is converted from the plane image display into the solid image display, the first and second transparent conductive elements are electrically conducted, thereby converting the electrochromic layer from transparent state to a dark color shading area and generating no folded grain when an solid image divided into a left image and a right image is received by eyes; when the solid image is displayed by the 2D/3D image switching display device, the solid image can be displayed directly without using an additional parallax barrier shielding device; and the image switching unit can switch different shielding angles according to an image direction of the image display unit, so that a user is capable of viewing the solid image in all directions of a device.

The invention discloses a wire-stripping machine equipped with a three-cutter type stripping mechanism. The wire-stripping machine comprises a cutter rest assembly, a stripping assembly, a cutter rest driving mechanism, a stripping rotation driving mechanism, and a stripping axial motion driving mechanism. The stripping assembly extends out of the wire-stripping machine. The inner end of the stripping assembly is connected with the stripping rotation driving mechanism and the stripping axial motion driving mechanism, so that the stripping assembly is driven to rotate radially and move axially. The cutter rest assembly extends out of the stripping assembly, and a cable to be stripped is placed inside the cutter rest assembly so as to be clamped and fixed. The cutter rest driving mechanism is connected with the inner end of the cutter rest assembly, so the cutter rest assembly is driven to move to enable the cable to be fastened and loosened. The wire-stripping machine is simple in structure. Through adoption of a structure with three cutters that are arranged evenly in a circumferential direction, the high centering effect is exhibited, and the stripping quality is high.

The invention relates to silicon single-crystal rod machining equipment and aims to provide full-automatic silicon single-crystal rod rolling and grinding integrated equipment which comprises a long-strip-shaped large bottom frame. Two parallel main guide rails are arranged on the surface of the large bottom frame in the length direction. A grinding work table assembly is movably installed on the two main guide rails, and a main driving motor drives a connecting mechanism so that the grinding work table assembly can move along the main guide rails. Four platforms used for bearing are arranged on the two sides of the large bottom frame and used for bearing a coarse grinding power head assembly, a fine grinding power head assembly, a feeding mechanical hand assembly and a centering mechanical hand assembly correspondingly. A crystal orientation detecting device and a radius detecting unit are further arranged on the large bottom frame. The machining range of the crystal rod rolling and grinding equipment is widened greatly, the machining ability of the crystal rod rolling and grinding equipment is improved greatly, and a silicon bar can be centered automatically; the machining efficiency is improved, and cost of manpower and logistics is saved; long and stable high-precision operation of the equipment can be ensured; and the production noise is remarkably reduced, no organic matter emission is generated, less waste is generated, and the ecological environment is protected.

The invention discloses a device for testing bond performance of a reinforcing steel bar and concrete through drawing. The device comprises a loading frame, a concrete test sample, a T-shaped steel bracing wire, the reinforcing steel bar, a force sensor, a universal material testing machine, a displacement meter, a static signal test analysis system and a computer, wherein a PVC (polyvinyl chloride) pipe is arranged in the middle positions of the upper part and the lower part of the concrete test sample, the reinforcing steel bar penetrates through the PVC pipe, accordingly, the bonding-slip section of the poured test sample is only located in the middle of the concrete test sample, a T-shaped slide chute and a notch are reserved in steel plates at the upper part and the lower part of the loading frame, size scales are marked, and the loading device is accurately aligned by adjusting the positions of the reinforcing bar and the T-shaped steel bracing wire. The device is simple in structure and convenient to disassemble, few materials and instruments are required, and the device is applicable to scientific research and test of the bond performance of the reinforcing steel bar and the concrete on a construction site.

The invention discloses an advance support fast construction method in shallow tunnelling loose pebble bed. A guide rail type independent rotary rock drill and a triangle drilling rig are adopted, and a self-advancing hollow grouting anchor bar is adopted to drive the advance support rod body; multi-hole spacing grouting is adopted, and appropriate double grout matching is selected. The invention has the beneficial effects that: part of pebble can be impacted to be crushed or be extruded into a hole, the problems of shifting and aligning of heavy duty drill in a narrow underground tunnel are effectively solved; not only grouting speed is increased, but also grout diffusion can be better controlled; the method can adapt loose pebble stratum well, not only perfect diffusion effect of grouting can be achieved, but also single-hole long-distance diffusion can be controlled, and reinforcing in unpermitted range can be achieved.

The embodiment of the invention discloses a wireless charging self-positioning alignment system and method for an electric vehicle. The system includes a vehicle-mounted positioning micro label arranged on the electric vehicle, a plurality of parking space positioning base stations arranged at the preset position of the parking space and used for carrying out ranging communication with the vehicle-mounted positioning micro label; a positioning processor used for determining the actual coordinates of the vehicle-mounted positioning micro label in a preset coordinate system according to the ranging information of each parking space positioning base station and the vehicle-mounted positioning micro label and calculating the difference between the actual coordinates of the vehicle-mounted positioning micro label and the target coordinate of the vehicle-mounted positioning micro label when the receiving coil of the electric vehicle and the transmitting coil of the parking space are aligned.The alignment condition of the vehicle can be obtained through the difference between the target coordinate and the actual coordinate of the vehicle-mounted positioning micro label. The system effectively solves the problem of the alignment of the coil when the wireless charging vehicle is parked. The system not only can reduce the cost, but also can meet the application logic of positioning whenthe vehicle is parked.

The invention discloses a lateral entering type backlight module and a display device. The lateral entering type backlight module comprises a light guide plate and a light source assembly; an opened accommodating groove is formed in the edge of the light guide plate and is internally provided with a conducting line; the light source assembly is arranged in the accommodating groove and is electrically connected with the conducting line; a light incident face of the light guide plate is the groove wall face, close to the center of the light guide plate, of the accommodating groove; the conducting line is arranged on the groove wall face, away from the center of the light guide plate, of the accommodating groove; the light source assembly comprises multiple LED light-emitting units distributed in the length direction of the light incident face of the light guide plate at intervals, the LED light-emitting units comprise light emergent faces, connecting faces and at least two cooling faces,the light emergent faces are spaced with the light incident face of the light guide plate, the connecting faces are connected with the light guide plate, and the cooling faces are provided with cooling structures. By means of the lateral entering type backlight module and the display device, the display device can be super-narrow and super-thin.

The invention discloses a lattice sandwiching structure edgewise compressive testing device. The testing device mainly comprises a clamping part, a centering loading part and a measuring part, the measuring accuracy can be effectively increased, the measuring cost is lowered, and high-accuracy measuring of lattice sandwiching structure edgewise compressive testing deforming is realized. To improvethe current situation of the low accuracy and poor operability in a measurement standard of edgewise compressive strength of an existing lattice sandwiching structure laminate, the lattice sandwiching structure edgewise compressive testing device solves the problem of centering during mounting and loading of test specimens, the effect of the mounting error and loading error on a testing result isgreatly reduced, and thus the calculation accuracy of the edgewise compressive strength of the laminate is improved. In addition, the device designs an extensometer mounting structure, the problem ofeasily toppling of the testing specimen is improved through a supporting structure, and operability of testing is effectively improved.

The invention discloses a method for measuring and aligning during large shell horizontal assembly. A circumferential scanning method that a laser sensor is fixed, and a spindle drives a shell to rotate is adopted for measuring, the laser sensor is moved to benchmark positions on the two ends of the shell fixed to a machine tool for measuring position calibration, the radial distance of the shellbenchmark positions is subjected to scanning measuring, the shell coaxiality state information can be automatically resolved, and a bolt pretightening adjusting amount is given out for allowing the shell to be aligned and adjusted. Sensing measuring, data processing, shell position state determining and graphical human-computer interaction functions are integrated, and are integrated on a controlsystem framework of a numerical control machine tool numerical control system, operation is convenient, and embedding is high. The measuring process is precise and controllable, the measuring result calculation is precise, the method is used for measuring and aligning during horizontal assembling of the shell with the diameter larger than two meters and the length being six to seven meters, the needed hour is shortened to be within one hour now from original three hours, and the coaxiality error is reduced to 0.05 mm now from original 0.5 mm.

The invention provides a VCP copper plating process for a flexible printed circuit board. The VCP copper plating process comprises the following steps of firstly, cleaning a vertical continuous copperplating tank; continuously washing with deionized water, adding the deionized water, copper sulfate pentahydrate, sulfuric acid, hydrochloric acid and a copper-plated additive (polyethylene glycol, sodium polythiodipropionate and Janus Green) into the copper plating tank, starting a circulation filter pump, inputting the to-be-electroplated flexible circuit board into the tank, and starting the current; after electroplating, taking out the circuit board, and cleaning the circuit board with water; and after blow-drying by hot air, transferring the circuit board into a pattern transferring procedure. According to the vertical continuous (VCP) copper plating process for the flexible printed circuit board, after the flexible circuit board is plated copper, the flexibility is stronger and theexpansion shrinkage of the flexible circuit board is smaller, and the deep plating capability of a through hole is higher, so that the bending resistance of the flexible circuit board is greatly improved, the film alignment in subsequent pattern transfer is facilitated, etching of the flexible circuit board with high-density line width/line distance (0.05 mm/0.05 mm) is more facilitated, the product quality and the product reliability are improved, the production process is pollution-free, and the process is suitable for industrial production.

The invention discloses a titanium rod peeling device, which comprises a peeling assembly and a centering assembly, wherein the peeling assembly is used for peeling a titanium rod, and is provided with two peeling rolls which are arranged oppositely; the central lines of the two peeling rolls are parallel to each other; the centering assembly is used for driving the peeling rolls to move, and comprises a central gear, a first rack unit and a second rack unit; the first rack unit and the second rack unit are arranged symmetrically by taking the central gear as the symmetric center, and are meshed with a centering gear; the first rack unit and the second rack unit are correspondingly connected with the two peeling rolls respectively. After the adoption of the structural setting of the gears and the racks, the first rack unit and the second rack unit can move relatively at the same time under the rotating action of the centering gear, and the moving distances of the first rack unit and the second rack unit are the same, so that the first rack unit and the second rack unit are symmetrical to each other no matter how the central gear is rotated, and the problem of centering adjustment of the peeling rolls is solved.

The invention belongs to the technical field of engines and discloses a targeting method of a cooling nozzle, comprising: loosely mounting the cooling nozzle to a valve block, and adjusting the position of the cooling nozzle; allowing a beam from a light emitter at an outlet of the cooling nozzle to irradiate a target plug in an oil incoming hole of an inner cool oil passage; observing whether a light point on the target plug is within a target area; if yes, fastening the cooling nozzle. The beam from the light emitter at the outlet of the cooling nozzle is allowed to irradiate the target plugin the oil incoming hole of the inner cool oil passage; whether the light point on the target plug is in the target area is judged by observing so as to judge whether an oil slow from the cooling nozzle can fully cover the oil incoming hole of the inner cooling passage; therefore, the cooling nozzle can monitor whether the cooling nozzle is aligned with the oil incoming hole of the inner cool oilpassage in real time during assembly phase, dynamic centering is achieved, target efficiency of the cooling nozzle is guaranteed, and the problem that an existing cooling nozzle has low targeting efficiency is solved.

A railway steel rail center detection vehicle comprises a walking trolley and a prism measuring device. The walking trolley comprises a frame and a hand push rod, a nylon wheel is arranged at the bottom of one end of the frame and arranged on the left steel rail, and a steel groove wheel is arranged at the bottom of the other end of the frame and clamped on the right steel rail; the prism measuring device comprises a prism, a prism bar and a knuckle bearing seat, a mounting hole is formed in the middle of the knuckle bearing seat, a knuckle bearing is arranged in the mounting hole, limiting holes are formed in the two side faces of the knuckle bearing seat, bolts are arranged in the limiting holes and abut against the knuckle bearing, and the knuckle bearing seat is connected with the frame. One end of the prism bar is connected with the prism, the center of the prism coincides with the center of the right steel rail, the other end of the prism bar is in threaded connection with one end of a prism bar connector, the other end of the prism bar connector is inserted into the knuckle bearing, and a universal support is connected between the prism bar and the frame. The railway steel rail center detection vehicle has the advantages of high measurement precision, high working efficiency and low cost.

The invention relates to the technical field of mechanical transmission, in particular to a speed-adjustable permanent magnet inductive worm and wormwheel transmission device which comprises a drive assembly, a driven assembly and a speed adjusting device assembly. The drive assembly is fixed arranged on the speed adjusting device assembly, a worm of the drive assembly and a wormwheel of the driven assembly form an included angle of 90 degrees, and uniform air gaps are formed between the worm and the wormwheel. When the worm is driven by a drive motor to rotate, the whole drive assembly can be driven by the speed adjusting device assembly to conduct side-to-side motion, so that the worm can be driven to move away from the wormwheel or move close to the wormwheel, and at the same time, sizes of the air gaps of conductive bodies or conductive body layers on the worm and of the permanent magnet on the wormwheel are changed and magnetic flux of an air-gap magnetic field can be quickly adjusted. Output rotating speed and torque can be better and more quickly controlled and the aim of achieving infinitely variable speed and transmitting motion and power between two mutually perpendicular shafts is achieved.

The invention discloses a hydraulic self-locking quick-mounting blowout prevention device and method, wherein the blowout prevention device comprises a blowout preventer assembly, a central tube and a blowout prevention tube; the central tube is connected with the lower end of the blowout preventer assembly, the blowout prevention tube is branched from the central tube, and an upper flange plate is connected with the lower end of the central tube and correspondingly cooperates a wellhead lower flange plate. The blowout prevention device further comprises a space rotation fine-adjustment control mechanism and a hydraulic self-locking mechanism, wherein the space rotation fine-adjustment control mechanism is connected with the upper end of the blowout preventer assembly; the hydraulic self-locking mechanism sleeves the outer side of the central tube and hooks upwards and locks the wellhead lower flange plate, so that bolt-free quick clamping connection between the upper flange plate and the wellhead lower flange plate is achieved. According to the hydraulic self-locking quick-mounting blowout prevention device and method, no person is required to stand on a wellhead to mount a blowout preventer, and a blowout prevention device for the wellhead is quickly mounted by utilizing a mechanical manner, so as to win time for preventing blowout of an oil/gas production well.

A driving device is used for driving a lens module to move. The driving device comprises a fixing support, a movable piece, a magnet, a magnetic plate, a supporting body, a guiding rod, a contact rod and a piezoelectric unit. The fixing support is provided with an accommodating space and an opening. The movable piece is arranged in the accommodating space and provided with a through hole. The magnet is fixed on the fixing support. The magnetic plate is fixed on the movable piece, and acting force between the magnet and the magnetic plate can fix the movable piece on a preset position in the fixing support. The supporting body is matched with the fixing support and used for accommodating the movable piece. The guiding rod penetrates through the through hole of the movable piece, and two ends of the guiding rod are fixed on the fixing support and the supporting body respectively. The contact rod is fixed on the movable piece. The piezoelectric unit is fixed in the opening, butts against the contact rod and is used for deforming to generate friction between the piezoelectric unit and the contact rod to drive the movable piece to move in the accommodating space along the guiding rod.

The invention discloses an application icon alignment device and method and a terminal. The device comprises a detection module, a judgment module and an alignment module. The detection module is used for detecting the motion state of the terminal and pressure values of the positions where application icons on a desktop of the terminal are located. The judgment module is used for judging whether the detected motion state and the pressure value of the position where any application icon is located meet preset alignment conditions or not. The alignment module is used for adopting the position where the application icon meeting the preset alignment conditions is located as a target position when it is determined that the preset alignment conditions are met and aligning the other application icons at the target position according to a preset alignment strategy. The application icons are aligned at the target position, the problem that in the prior art, batched application icons are tediously aligned at the target position is effectively solved, therefore, the problem that in the prior art, alignment of the application icons at the target position cannot be carried out based on user intentions can be effectively solved, and the user experience is improved.

A driving device is used for driving a lens module to move. The driving device comprises a fixing support, a movable piece, a magnetic plate, a magnet, a supporting body, a guiding rod, a contact rod and a piezoelectric unit. The fixing support is provided with an accommodating space and an opening. The movable piece is arranged in the accommodating space and provided with a through hole. The magnetic plate is fixed on the fixing support. The magnetic is fixed on the movable piece, and acting force between the magnet and the magnetic plate can fix the movable piece on a preset position in the fixing support. The supporting body is matched with the fixing support and used for accommodating the movable piece. The guiding rod penetrates through the through hole of the movable piece, and two ends of the guiding rod are fixed on the fixing support and the supporting body respectively. The contact rod is fixed on the movable piece. The piezoelectric unit is fixed in the opening, butts against the contact rod and is used for deforming to generate friction between the piezoelectric unit and the contact rod to drive the movable piece to move in the accommodating space along the guiding rod.