158 results about "Correction method" patented technology

The invention belongs to the technical field of plate frames for spaceflight, and particularly relates to a roll bending correction method for a quenched sheet n-shaped frame part for spaceflight, which comprises the following steps: S1, quenching in a linear state; s2, quenching deformation is eliminated, and the geometric dimension is corrected; s3, roll bending and roll correction correction and forming correction are carried out; s4, flatly knocking the sunken part and rolling a small radian; and S5, performing pure manual accurate correction, and detecting and correcting the 90-degree angle of each bent angle part to enable the 90-degree angle of each bent angle part to meet the angle tolerance requirement. The problems of low processing efficiency, high cost, high correction difficulty and the like caused by the defects of distortion, warping, verticality inclination and vertical plate arching deformation are effectively eliminated, and meanwhile, the correction efficiency is improved by nearly 10 times.

To provide a workpiece conveyance apparatus capable of automatically clamping a workpiece between a spindle unit (spindle pipe sleeve) and a tail unit (tail pipe sleeve) in a state in which the crystal axis of the workpiece and the rotation axis of a cylindrical grinding apparatus coincide.SOLUTION: The workpiece conveyance apparatus includes: a clamp mechanism 250 including a pair of claw sections 261a, 261b that clamps a workpiece; a turning mechanism configured to turn the clamp mechanism in a state of clamping the workpiece; and an X-ray apparatus configured to measure a crystal plane orientation of the workpiece clamped between a spindle pipe sleeve and a tail pipe sleeve of a cylindrical grinding apparatus main body in a state in which a center axis of the workpiece and a rotation axis of the cylindrical grinding apparatus main body coincide, and output a correction value for correcting a deviation amount of a crystal axis of the workpiece with respect to the rotation axis of the cylindrical grinding apparatus main body.SELECTED DRAWING: Figure 11

The invention belongs to the technical field of cable manufacturing. According to the self-adaptive correction method and system based on cable insulation layer thickness monitoring, the real-time center offset of a cable is determined according to laser array measurement data after time-space synchronization; determining the thickness of the cable according to the X-ray thickness measurement data after time-space synchronization; determining the long-short axis ratio of the ellipse according to the shot cable ellipse contour image after the time-space synchronization; inputting the real-time center offset of the cable, the thickness of the cable and the long-short axis ratio of the ellipse into an extended Kalman filter to obtain fusion thickness, fusion concentricity and fusion ellipticity, and further determining an extrusion die pose compensation vector and a screw rotation speed correction amount; according to the extrusion die pose compensation vector, a corresponding execution mechanism is driven to adjust the extrusion die pose, and according to the screw rotation speed correction, the screw rotation speed is controlled; according to the invention, the problems of measurement one-sidedness, control hysteresis and deviation accumulation are solved, and the continuous and stable control of the geometric parameters of the cable insulation layer is realized.

The invention relates to the technical field of straightening and shaping of metal pipes, in particular to a metal pipe sinking correcting device and method. A metal pipe sinking correcting device comprises a fixing plate, a threaded pushing hole is formed in the fixing plate, the axis of the threaded pushing hole and the axis of a metal pipe are collinear after the fixing plate is installed on an end flange, the correcting device further comprises an ejector rod used for being assembled in the threaded pushing hole in a threaded mode and a correcting ball used for being placed in the metal pipe, the end, located in the metal pipe, of the ejector rod is used for abutting against the correcting ball and pushing the correcting ball to slide through the sunken part of the metal pipe under the action of the threaded pushing hole so as to eject out the sunken part of the metal pipe, and the hardness of the correcting ball is larger than that of the metal pipe. Therefore, the problems that in the prior art, when metal pipes are produced or transported, the metal pipes are prone to bumping and sinking, and the cost is high when the metal pipes with sinking are directly replaced are solved.

The invention relates to a double-girder crane girder camber repairing method which comprises the following steps: acquiring crane data to determine mounting points of a supporting seat and an anti-shake bracket; pull rods are arranged at the bottoms of the girders and the end beams and are mounted at the bottoms of the two beams based on supporting seats and anti-shake brackets; meanwhile, the two beam pull rods are pre-tightened till the upper camber of the two beams reaches the upper camber reserved deformation value; determining a heating zone, calculating a target heating zone, and performing flame shaping on the crossbeam according to a target heating sequence; and removing the pre-tightening force of the pull rod after complete cooling, judging whether the girder meets a required camber value, and fastening the pull rod after the girder meets the required camber value. Pull rods are arranged at the bottoms of the double beams, uniform pre-tightening force is provided for the double beams, high-temperature shaping is conducted to achieve girder camber repairing, a pre-stress method and a flame straightening method are combined, the girder is evenly stressed in the process, the good repairing effect can be achieved, the effect is kept stable for a long time, the repairing camber curve is smooth, precision is high, and the repairing efficiency is high. Construction is easy and convenient, time is short, the reinforcing effect is remarkable, and the girder is not damaged.

The invention relates to the technical field of numerical control machine tool control, in particular to a synchronous correction method and device for the position of a synchronous shaft of a gantry machine tool and a medium. The actual length values L1 and L2 of the two diagonal lines of the workpiece are collected through a laser measuring device; calculating a Y-axis direction deviation value dy according to a formula; based on the proportional relation between the gantry span X and the length X1 of the rectangular workpiece, the position adjustment amount delta Y of the driven shaft is calculated; and according to the positive and negative values of the delta Y, the position of the driven shaft is adjusted through the servo controller, the driving shaft is kept in situ, and S1 to S5 are repeated until the delta Y meets a preset precision threshold value. According to the invention, the position synchronization correction of the synchronizing shaft can be accurately, simply and quickly completed, and the synchronization position precision of gantry structure equipment is effectively improved.

A deformation correcting device for an axle shaft sleeve relates to the technical field of non-cutting machining of metal pipe fittings and comprises a horizontally arranged square middle table, two lateral moving seats are transversely and slidably arranged on two sides of the square middle table, and a positioning clamping assembly is arranged on the square middle table. And a bending correction assembly and a torsion correction assembly are respectively arranged on the lateral moving seat. The problems that in the prior art, when equipment and a machining mode are used for deformation correction of the axle shaft sleeve, the correction adaptability to different deformations is poor due to the fact that the correction mode is single, correction parts are inconvenient to adjust, and local correction of the deformation is difficult to achieve are solved.

The application discloses a large-scale slender gear shaft carburizing and quenching bending deformation straightening method and tool, relates to the technical field of heat treatment, and aims at solving the problem of stress concentration caused by the existing correction method.The method comprises the following steps: detecting the bending deformation of the gear shaft after carburizing or carburizing and quenching, and marking the bending high points and corresponding positions; horizontally clamping the gear shaft on the straightening tool, making the marked bending high points face upwards, and applying vertical downward pressure to fix; performing press normalizing straightening treatment on the clamped gear shaft; detecting the bending deformation of the gear shaft after the normalizing straightening treatment; judging whether the straightness of the gear shaft meets the predetermined specification according to the re-detection result; if yes, performing quenching and low-temperature tempering treatment on the gear shaft again; if not, returning to the press normalizing straightening treatment step until the straightness of the gear shaft meets the requirement; thus, the local stress concentration can be avoided, and the risk of secondary deformation is reduced.

The correction device (10) is provided with: a shaft part (14) that can extend from the correction device (10) in the axial direction; an outer cylinder section (12) that supports the shaft section (14) therein; a coil spring (24) which is disposed inside the outer cylinder section (12) and which biases the shaft section (14) in the extension direction; temporary stop mechanisms (12a, 12b, 15) that stop the shaft section (14) at the press-fit position against the biasing force of the coil spring (24); a fixing part (16) which is arranged on the outer cylinder part (12) and can fix the shaft part (14) to the outer cylinder part (12); an XY correction section (26) formed along the outer peripheral surface of the shaft section (14); and a Z correction section (28) formed at the tip of the shaft section (14) and having a plane orthogonal to the axial direction of the shaft section (14).

The invention discloses a ship welding correction method and device, a storage medium and a product. The method comprises the steps that an initial position point of a bilge keel base plate is surveyed on a segmented area according to the segment type of the segmented area; measuring a target backing plate deviation value of the initial position point of the bilge keel backing plate deviating from the segmented frame in the segmented area; correcting the initial position point of the bilge keel base plate according to the target base plate deviation value to obtain a target position point of the bilge keel base plate; if the bilge keel base plate is welded to the segmented area according to the target position point, the actual position point of the bilge keel base plate welded to the segmented area and the actual included angle formed between the thickness face of the web and the upper surface of the bilge keel base plate are detected; and welding correction measures are generated, and the content of the welding correction measures is that the bilge keel base plate is corrected from the actual position point to the target position point, and the web is corrected from the actual included angle to the target included angle. The twice correction mechanism improves the installation precision of the bilge keel assembly position.

The present invention discloses a method and application for correcting the error of a special gear in double-flank meshing measurement of gears. The method first adjusts the special gear and the product gear on a double-flank meshing measuring instrument so that the two are meshed, and the tooth grooves and teeth of the two gears are marked in sequence; the two gears are rotated in double-flank meshing, and a center distance data set is collected during meshing; the special gear is rotated again in double-flank meshing with the product gear returned to its initial position, and a center distance data set is obtained again; an error correction value curve for the special gear is obtained based on the two sets of center distance data sets, and the double-flank meshing comprehensive deviation curve and the error correction value curve are linearly superimposed at the same phase to obtain the radial comprehensive deviation value of the product gear after the special gear error is corrected. The present invention improves the measurement accuracy and repeatability of double-flank meshing measurement and eliminates the influence of the special gear's own error on the measurement.

A step bending method includes step bending for forming a step bent portion (Wd) on a flat plate-shaped workpiece (W) with a step bending roller die (K), and a correction processing for correcting warpage of the step bent portion (Wd) after the step bending, wherein the step bent portion (WR3) protruding from a flat plate portion (WR1) is formed by the step bending, and the correction processing is a processing in which the step bent portion (Wd) is pressed downward with a roller die (K34) while a lower surface of the flat plate portion (WR1) is supported and the step bent portion (Wd) is unsupported from below due to a space (Va) formed below the step bent portion (Wd).

The present invention provides a correction system for feeding a steel plate on a numerically controlled cutting jig, which includes: a plurality of positioning mechanisms disposed above a pair of tracks and a lifting and correcting mechanism located between the tracks; the straight lines where the plurality of positioning mechanisms above the same track are located are parallel to the track; a plurality of first lifting and correcting mechanisms are uniformly distributed between the two tracks in the longitudinal and transverse directions and are synchronously adjusted by a first servo; steel balls that can roll freely are provided at the top of the first lifting and correcting mechanisms; a plurality of second lifting and correcting mechanisms are uniformly distributed between the two tracks in the longitudinal and transverse directions and are synchronously adjusted by a second servo; rollers are provided at the top of the second lifting and correcting mechanisms; the rollers roll in a direction perpendicular to the track and drive the steel plate above them to move through friction, so that the side of the steel plate abuts against the positioning mechanism. The present invention also provides a correction method based on this correction system, which can improve the feeding efficiency and alignment accuracy, reduce the work burden of operators, and improve the work efficiency.

The embodiment of the application discloses a vertical assembly motion position correction method and device, equipment and a storage medium. The vertical assembly motion position correction method of the application is applied to a sampling assembly. The sampling assembly comprises a vertical assembly and a horizontal assembly. The method comprises the following steps: acquiring a vertical motion distance and a vertical motion direction of the vertical assembly; acquiring an actual motion distance and an actual motion direction of the vertical motor after executing a motion instruction on the vertical assembly; and determining whether the motion position of the vertical assembly is correct in combination with the actual motion distance and the actual motion direction. If the motion position is incorrect, the position of the vertical assembly is corrected according to the vertical motion instruction, the actual motion distance and the actual motion direction. Through the judgment of whether the motion position of the vertical assembly is accurate and the correction of the position of the vertical assembly, the motion position offset of the vertical assembly is eliminated, the motion position of the vertical assembly is more accurate, and the system error is effectively reduced.

The invention discloses a pile foundation drilling correction device, and relates to the technical field of drilling correction devices, the pile foundation drilling correction device comprises a drilling mechanism, the drilling mechanism is provided with a correction mechanism, the correction mechanism comprises two first rectangular blocks, two T-shaped grooves and a main perpendicularity sensor, the front surfaces of the two first rectangular blocks are provided with first electric cylinders, and the two first rectangular blocks are provided with second electric cylinders; second electric cylinders are installed on the opposite sides of the two connecting plates correspondingly, a semicircular block is fixed to the middle of the front surface of a second rectangular block, limiting blocks are fixed to the faces, close to the second rectangular block, of two auxiliary blocks correspondingly, and a clamping groove is formed in the side, close to the clamping block, of the other auxiliary block. By arranging the correction mechanism, correction can be conducted when the single-head screw rod and the lifting plate are not tightly connected, then it is guaranteed that the quality of a drilled pile foundation hole is qualified, and meanwhile the service life of the single-head screw rod and the service life of the lifting plate are prolonged.

To provide a correction method of rotation of a caisson skeleton and a caisson skeleton in a pneumatic caisson method.SOLUTION: A correction method of rotation of a caisson skeleton 100 accompanied by sinking of the caisson skeleton 100 in a pneumatic caisson method includes: a tensioning step in which a tendon 110 provided at an outer periphery of the caisson skeleton 100 gives tensile force T in a direction correcting rotation; and a correction step of correcting rotation of the caisson skeleton 100 by the tensile force T when the caisson skeleton 100 sinks.SELECTED DRAWING: Figure 4

The invention provides a correction jig, a correction method, a rotating shaft cover plate and foldable electronic equipment. The correction jig is used for correcting the straightness of a long-strip-shaped part and is provided with a first groove, and the first groove extends in the first direction; in the second direction, the range of the difference value w1-w1'between the width w1 of the first groove and the width w1 'of the long-strip-shaped part is larger than or equal to 0.05 mm and smaller than or equal to 0.1 mm, and the first direction intersects with the second direction. The correction jig is simple in structure.

The present application provides a position correction device capable of efficiently correcting the position of a tension adjusting roller, and the like. A position correction device (10) of a tension adjusting roller (243) capable of moving in the direction of an applied thrust force and applying a tension in the opposite direction of the thrust force to a conveyed object is provided with: a correction start signal generation section (181) that generates a correction start signal before the tension adjusting roller (243) moves to at least one of an upper end (243A) and a lower end (243B) of a movable region of the tension adjusting roller (243) in the direction of the thrust force; and an end position information recording section (19) that detects a case where the tension adjusting roller (243) has moved to at least one of the upper end (243A) and the lower end (243B) and records position information thereof.

The present invention discloses a method for replacing and correcting the main beam of a four-beam casting crane bridge. A three-dimensional adjustment bracket is used to assist in correcting the main beam of the replaced bridge. The main beam replacement and correction method specifically includes the following steps: X-direction correction to make the distance between the main trolley track on the new main beam and the original main trolley track on the original main beam meet the parameter requirements; Z-direction correction to make the horizontal height of the upper plane of the new main beam meet the parameter requirements; Y-direction locking to lock the corrected new main beam. The method for replacing and correcting the main beam of a four-beam casting crane bridge disclosed by the present invention can replace and correct the main beam of the four-beam casting crane bridge at the use site, without the need to pre-install, align, adjust, process and weld the bridge as a whole at the manufacturer, and then transport it to the use site, thereby saving maintenance costs, improving maintenance efficiency, and promoting efficient and safe production.

The present invention relates to a hexagonal tube correction method, which uses a high-precision hexagonal tube correction device for correction. The method includes the following steps: one end of the hexagonal tube is rotatably arranged, and the other end is movably inserted into a correction hexagonal sleeve, a driving hollow shaft, and a fixed hexagonal sleeve; an angle sensor detects the current deviation angle of the hexagonal tube and transmits it to a control device; the control device activates a clutch and a correction drive device, which drives the hollow shaft and the clutch to drive the correction hexagonal sleeve to rotate for correction; after correction is completed, the control device drives the correction hexagonal sleeve, the driving hollow shaft, and the fixed hexagonal sleeve to a set position via a moving device; the control device controls the clutch and the correction drive device to correct the correction; the correction is repeated until the entire hexagonal tube is corrected; the control device drives the correction hexagonal sleeve, the driving hollow shaft, and the fixed hexagonal sleeve to reset via the moving device, and the angle sensor detects the overall angular deviation of the hexagonal tube. This method achieves accurate correction angles and good correction effects.

The present application discloses a crane travel correction method, device, and crane, wherein the crane includes a power supply device, a travel device, and a power supply device, wherein the power supply device is connected to the travel device via a first connecting rod, and the power supply device is connected to the power supply device via a second connecting rod. The crane travel correction method includes obtaining a real-time angle between the first connecting rod and the second connecting rod; obtaining a lateral offset of the travel device based on the difference between the real-time angle and a preset angle; and when the lateral offset is greater than or equal to a preset threshold, adjusting the speed difference between the left and right tires of the travel device based on the lateral offset. The present application can solve the problem of lateral offset of the crane when the automatic correction / automatic travel system fails.

The invention provides a shape correcting device and a shape correcting method for a thin-wall titanium alloy welded T-shaped profile component. The shape correcting device and the shape correcting method are used for correcting the shape of the T-shaped profile component. The shape correcting device comprises a shape correcting tool, the periphery of the shape correcting tool is provided with a groove, the groove sequentially comprises a first insertion opening, a second insertion opening and a groove opening, and the first insertion opening and the second insertion opening are in a T shape; the roll bending machine comprises an upper roll wheel, a lower roll wheel and a support, the upper roll wheel is rotationally connected with the support, the height of the upper roll wheel on the support is adjustable, the lower roll wheel is rotationally connected with the support, and the height of the lower roll wheel on the support is adjustable; the mounting part is arranged on the shape correcting tool and is used for being connected with the upper roller; and the T-shaped profile component is arranged in the groove and is corrected under the rolling action of the upper roller and the lower roller. And the T-shaped profile component extends into the groove, and the roll bending machine applies force to the shape correcting tool to correct the shape of the T-shaped profile component. Due to the fact that the height of the upper roller and the height of the lower roller are adjustable, the straight profile can be corrected, and the positions of the upper roller and the lower roller can be adjusted according to the bending condition of the profile so that the bent profile can be corrected.

The present invention discloses a warping and shaping method for thin-walled "⊥"-shaped ribbed wall panels, which adopts prestressed rotary vane shot peening, and according to the key area shape control principle, simultaneously performs shot peening and shaping in the chord-span direction, using line and surface, while solving the warping in the span direction of the wall panels, avoiding the problem of uneven skin in the chord direction. The method does not require clamping and shielding parts during the processing process, and has high processing efficiency; simultaneous shot peening and shaping in the chord-span direction can avoid the problem of uneven skin in the chord direction.

The invention relates to the technical field of welding, in particular to a butt-joint misalignment correction method and correction system for a large barrel. The butt-joint misalignment correction method comprises the steps that a supporting unit composed of V-shaped supporting frames is provided; the two supporting units are driven to horizontally move in the opposite direction for preliminary butt joint; the supporting state of the supporting frame to the cylinder body is changed; acquiring a pressure value through a first sensor below the first roller; and the lifting driving device connected below the supporting frames is driven to independently adjust the height of one or two supporting frames so as to change the height of the butt joint end of the corresponding barrel. The two clamping plates are rotationally butted to form the V-shaped supporting frame, the opening size of the V-shaped supporting frame is adjusted through the driver, the height of the barrel is reduced so that the barrel can be pressed on the detection rollers to apply pressure, and the height difference of the butt joint ends of the two barrels is determined based on pressure values obtained by the detection rollers on the two sides of the butt joint position. Therefore, the lifting driving device is used for finely adjusting the supporting frame so as to adjust the height of the butt joint ends of the barrels, and equal-height accurate butt joint of the two barrels is achieved.

The present invention discloses a pile foundation drilling correction device, which relates to the technical field of drilling correction devices and includes a drilling mechanism. A correction mechanism is arranged on the drilling mechanism. The correction mechanism includes two first rectangular blocks, two T-shaped grooves and a main verticality sensor. The front surfaces of the two first rectangular blocks are both equipped with first electric cylinders. The opposite sides of the two connecting plates are both equipped with second electric cylinders. A semi-circular block is fixed at the middle position of the front surface of the second rectangular block. A limiting block is fixed on one side of each of the two auxiliary blocks close to the second rectangular block. A clamping groove is formed on the side of the other auxiliary block close to the clamping block. By setting the correction mechanism, the present invention can make corrections when the single-head screw rod and the lifting plate are not tightly connected, thereby ensuring the qualified quality of the drilled pile foundation holes and improving the service life of the single-head screw rod and the lifting plate at the same time.

The present application discloses a correction method, device, computer and storage medium for a bevel gear inspection machine, which performs an inspection process at different shaft angles within an operating range, obtains the current shaft angle α1, and adjusts the shaft angle to the tested shaft angle α2, obtains the first shaft displacement x1 and the second shaft displacement y1 at the shaft angle α1, and obtains the first shaft displacement x2 and the second shaft displacement y2 at the shaft angle α2, and performs lateral position adjustments of Z1 and Z2 on the first transverse main axis and the second transverse main axis in the width direction, respectively; the correction method, device, computer and storage medium for a bevel gear inspection machine provided by the present invention realize a specific correction process by adjusting the positions of the first transverse main axis and the second transverse main axis in the width direction based on the first shaft displacement x and the second shaft displacement y; it has the advantages of small adjustment and more accurate alignment of the entire system, and the operation process is more stable and precise.

This invention discloses a dedicated flatness correction device for telescopic booms, comprising: a base, on which a rack extending along its length, a first slide rail, and a second slide rail are disposed; a first support mechanism and a second support mechanism, both slidably disposed on the first slide rail for supporting the telescopic boom; and a correction mechanism, slidably disposed on the second slide rail and located between the first and second support mechanisms; the first support mechanism includes a first drive mechanism, the second support mechanism includes a second drive mechanism, and the correction mechanism includes a third drive mechanism; the first, second, and third drive mechanisms are all connected to the rack and pinion for transmission. This invention has a compact structure, can replace the traditional manual hammering correction method, effectively reduces hammer marks on the workpiece surface, improves surface quality, increases correction efficiency and accuracy, and reduces labor intensity.

The invention relates to a shifting fork tool and a correction method, and relates to the technical field of shifting forks, the shifting fork tool comprises a base plate, a positioning groove is formed in the base plate, an end positioning block is detachably connected in the positioning groove, the relative position of the end positioning block and the base plate is adjustable, and a pressing block is further detachably connected to the base plate. The ceramic pasting device has the advantage of being capable of improving the ceramic pasting precision.

To improve machining accuracy in a cutting machine in which a machining tool is moved linearly relative to a workpiece in the directions of the X-axis, Y-axis, and Z-axis, and rotated relative to the workpiece around the A-axis.SOLUTION: The coordinate correction method for a cutting machine includes: a first contact process in which a spindle 30 is moved in the X-axis direction to bring a detection tool 31 held by the spindle 30 into contact with a pin 32 held by a clamp 50 and obtain a first contact position; a first movement process in which the clamp 50 is moved a first distance in the Y-axis direction; a second contact process in which, after the first movement process, the spindle 30 is moved in the X-axis direction to bring the detection tool 31 into contact with the pin 32 and obtain a second contact position; and a correction process in which, based on the first contact position, the second contact position, and the first distance, the position coordinates are corrected so that the Y-axis is perpendicular to the A-axis when viewed from the Z-axis.SELECTED DRAWING: Figure 10