44results about How to "Solve the problem of misalignment" patented technology

The invention discloses a replacement method of a revolving bearing of a material taking machine. The replacement method comprises the following steps: (1) a counterweight bracket is mounted; (2) an arm frame of the material taking machine and a counterweight are adjusted; and an arm frame bracket is arranged; (3) a gear ring protective cover, a central power cable and a central carriage are removed; a bearing bracket is welded; and a platform is built; (4) a jacking bracket is reinforced; and a jacking jack is placed; (5) a guide sleeve and an anti-tilting bracket are welded; (6) a bearing inner ring bolt is disassembled; and the upper body of the material taking machine is jacked; and (7) a plate is paved; a roller is placed; and a bearing is extracted out. The replacement method of the revolving bearing of the material taking machine, provided by the invention, is safe and effective, and effectively reduces the cost and difficulty of replacing the revolving bearing.

The invention discloses an AI thermal imaging all-weather intelligent monitoring method, which comprises a control module and comprises the following steps: S1, extracting the working time of a systemby the control module, and starting a high-definition camera or a thermal imager according to a preset time threshold section H; S2, the control module obtains thermal imaging or high-definition camera video data, and transcodes thermal imaging AV format video output into video images; S3, performing motion detection on the video image by using a motion detection algorithm; Setting a remarkable motion detection threshold, and judging whether the current motion is remarkable or not, so as to filter out false detection caused by noise and light and shadow changes; Meanwhile, the detected movingtarget is subjected to screenshot; And S4, performing interested target segmentation on the detected video image with significant motion by using an instance segmentation algorithm to determine whether the target causing the current motion is a monitoring target interested in the system, and entering the next step if the segmentation result is the interested target.

The invention discloses a double-bus line protection method and device of integrating voltage switching. The bus voltage of double buses directly enters a protection device sampling circuit; meanwhile, the position of a line knife switch is switched into the protection device as a switch-in quantity; an auxiliary contact of using the line knife switch directly enters the protection device for judgment of voltage switching; the protection device selects the bus voltage through logic judgment according to the position of the knife switch; and when the auxiliary contact of using the line knife switch is abnormal, the bus voltage can be selected by adopting a manually strong setting method. Through the design mode, the problem that false coordination can exist in the bus voltage is thoroughly solved; a special voltage switching device is omitted in line protection; the investment is reduced; meanwhile, connection of the protection device is simplified; and the reliability of the protection device is improved.

The present invention provides a multifunctional clutch, comprising an inner ring, an outer ring, a friction piece, a centrifugal block, a star wheel, a flange plate and a hinge coupler. The hinge coupler comprises a pin rod, a coupler shaft fork, a cross block and a plug pin; the clutch is connected with an output shaft through the hinge coupler; five driving friction pieces and five driven friction pieces are mounted between the inner ring and the outer ring; the inner ring is connected with the star wheel through two single-row radial ball bearings; a return spring is mounted between the star wheel and the retaining check ring; ten cylindrical rollers with retainers are used for loosening or tightening when clutching; the outer ring is provided with six centrifugal blocks; the outer ring input end is connected with the coupler shaft fork; a screw is mounted at the end part of the coupler shaft fork; the screw is sleeved with a return pressure spring; the output end is provided with a pressure plate; the coupler shaft fork is connected with the flange plate through the pin rod and the plug pin; and the flange plate is fixedly connected with the power source through six bolts and mounting holes. The clutch is featured with simple size, compact structure and simple adjusting, and integrating the friction clutch, the overrunning coupler and the hinge coupler into one.

The invention discloses a protective device making a swing chute mouth being accurately located. The protective device comprises a motor, a speed reducer, a push rod and the swing chute mouth. The motor is connected to the speed reducer through a coupling wheel, one end of a low-speed shaft of the speed reducer is connected to one end of the push rod through a push rod driving mechanism, the other end of the push rod is connected with the swing chute mouth through a chute mouth driving bearing, a travel switch protective box is fixedly arranged at the other end of the low-speed shaft, the travel switch protective box is coaxially connected with the low-speed shaft through a hard connection fixing piece, a travel switch is arranged inside the travel switch protective box, and the travel switch is connected to the motor. The low-speed shaft of the speed reducer is connected with the travel switch, the low-speed shaft and the travel switch are always operated at same angular speed, the swing chute mouth can be accurately located at the preset position, the situation that the swing chute mouth does not go beyond the largest set position, the problem that the swing chute mouth and the mouth of a torpedo ladle are not accurately aligned is thoroughly solved, and safety of tapping iron is effectively guaranteed.

The invention relates to a method of friction alignment and a liquid crystal display device. The method of friction alignment is used for friction alignment of an array substrate which comprises graphical areas and a blank area isolating the graphical areas. Each graphical area comprises a graphical area body and an integrated circuit control position next to the graphical area body. The method offriction alignment comprises the steps of: providing an array substrate and pre-arranging a conducting film layer in a blank area of the array substrate; etching the pre-arranged conducting film layer to form a pattern on the conducting film layer; placing the array substrate on a alignment table; connecting the conducting film layer of the array substrate to the ground; performing friction froma friction start point of the array substrate towards the inside of the array substrate. The conducting film layer of the array substrate is grounded in advanced, so that generation of static electricity of the conducting film layer of the array substrate in a friction process can be prevented, damage by static electricity to the array substrate during friction alignment can be prevented and the yield rate of manufacture of liquid crystal display devices can be guaranteed.

The invention discloses a split electromagnetic coupling. The split electromagnetic coupling comprises a coupling input unit and a coupling output unit, wherein a movable half-coupling of the coupling output unit is capable of being engaged with a slide block of the coupling input unit under the action of an engagement device, movement and power of a transmission shaft II are transferred to a transmission shaft I, a return device is capable of returning the movable half-coupling, and the transmission shaft I and the transmission shaft II are disengaged, so that the coupling input unit is capable of moving relative to the radial direction of the coupling output unit; and the slide block of the coupling input unit is capable of moving in the radial direction of the movable half-coupling and a fixed half-coupling during a transmission process, so that a coaxiality error of the transmission shaft I and the transmission shaft II is compensated. The split electromagnetic coupling is capable of meeting the functional need of mechanical equipment with a multi-load time-sharing driver, has capacity of compensating the coaxiality error of the transmission shafts, and is easy to realize automatic engagement and disengagement through adopting a working manner of realizing engagement through electromagnetic drive and realizing disengagement through spring return.

The invention discloses a method of making liquid crystal display panels. The method comprises the steps of providing an upper substrate, a lower substrate and a liquid crystal layer, providing voltage signals to the lower substrate, and providing reference voltage to the upper substrate. The liquid crystal layer, arranged between the upper substrate and the lower substrate, includes multiple liquid crystal molecules and multiple reactive monomers. The voltage signals have at least one pulse within a working period, and the voltage difference between the peak voltage of the pulse and the reference voltage is 40-45 volts.

The invention discloses a shoe unmanned intelligent warehousing system which comprises a warehousing bin, a plurality of storage racks, feeding trolleys, a conveying belt, a control center and a scanning device, the two ends of the conveying belt are arranged inside and outside the warehousing bin respectively, one end of the conveying belt is fixedly connected with the scanning device, and the multiple feeding trolleys are arranged on the two sides of the scanning device. The feeding trolleys are connected with the control center through a local area network, the storage racks are fixedly installed in the warehousing bin, the conveying belt is used for conveying materials into the warehousing bin, the scanning device is used for scanning two-dimensional codes or bar codes of products, the products are discharged to the feeding trolleys, and according to the information of the two-dimensional codes or the bar codes, the feeding trolleys transfer the materials to the corresponding positions of the storage racks, split carrying is carried out constantly through the customized shuttle vehicle according to dimension code data of the shoe boxes, warehouse entering and exiting can be carried out at the same time, the problem of disordered placement due to various categories is effectively solved, super-efficient warehouse entering and exiting are carried out, and warehouse entering information is transmitted to the cloud end of the control center.

The invention relates to the field of semiconductor manufacturing, in particular to an overlay error compensation method and a photoetching exposure method.The overlay error compensation method comprises the following steps that a wafer is provided, and the wafer is provided with an alignment mark; loading the wafer, and measuring a first position of the alignment mark; overturning the wafer by 180 degrees, measuring a second position of the alignment mark, and calculating a position error between the first position and the second position; and calculating the compensation amount of the alignment mark, and then performing compensation. Compared with the prior art, the embodiment of the invention has the advantages that a TIS (Tool-Induced Shift) compensation method is applied to error compensation of the alignment mark, so that the problem of alignment deviation of the alignment mark is solved.

The present invention provides a method of eutectic soldering of a chip in a big pad. The method includes the following steps: step (a), determining the size of an L-shaped ceramic location clamp according to the size of the pad; step (b), determining the size of a ceramic locating pressing block according to the sizes of the pad and the chip; step (c), cutting the L-shaped ceramic locating clamp in the corresponding size by using a laser; step (d), cutting the ceramic locating pressing block in the corresponding size by using a grinding wheel cutting machine; step (e), during the process for locating the chip, first fixing the pad by using the L-shaped ceramic locating clamp, then putting the ceramic locating pressing block into the pad, and finally putting a soldering lug and the chip onto the pad; and step (f), after fixing the chip by the locating clamp, putting the chip into a vacuum eutectic furnace to perform eutectic soldering by using a soldering fixture. The method effectively solves a problem of dislocation between the chip and the pad, and the method is easy, and has a low cost and a high feasibility.

The invention discloses an anti-theft lock core of a key and code mixed structure. The lock core is composed of a 20-gear marble mechanism, a code mechanism and an H-shaped key. A marble of the anti-theft lock core is designed into 20 gears divided into four rows, each row contains 5 gears, the gear number is the highest record of that of global tumbler locks, and the four-gear sealed marble and the code mechanism are additionally arranged, so that the possibility that the lock core is technically unlocked is completely eliminated. Upper and lower clamping plates of the anti-theft lock core are thin plates which are made of copper materials and can be automatically produced on a high-speed punch with materials (DOBBY punch: the speed is 300 to 1000 times/minute), and stamping is performed by using a die, so that the productivity is increased, and the problem of different axis degrees of marble holes in the upper and lower clamping plates is solved. Shaft parts of the anti-theft lock core are processed on an automatic lathe, so that the full-automatic processing of the parts is realized, the productivity of the lock core is increased by 10 times, the consumption of the copper materials is reduced by 60%, the cost is greatly reduced, and the anti-theft lock core has a high performance-to-price ratio which is the greatest advantage based on the market.

The invention discloses a height-adjustable tank container unloading arm. The height-adjustable tank container unloading arm comprises a combined unloading arm and a supporting mechanism; the combinedunloading arm comprises a lower arm pipe, an inner arm pipe, a middle arm pipe, an outer arm pipe, a metal hose and an upper arm pipe which are sequentially connected through rotary joints; the outerarm pipe is provided with a pitch angle adjustable supporting assembly used for supporting the metal hose; the end part of the lower arm pipe is connected with the hose; the supporting mechanism comprises a supporting stand column, a lower supporting piece is arranged at the lower portion of the side face of the supporting stand column, and an adjusting nut is arranged on the lower supporting piece; the adjusting nut is rotationally connected with the lower supporting piece; an adjusting lead screw is in threaded fit in an internal threaded hole of the adjusting nut; and the top end of the adjusting lead screw is fixedly connected with the outer wall face of the lower arm pipe. According to the height-adjustable tank container unloading arm, the supporting mechanism is arranged, when theadjusting nut is rotated, linear motion of the adjusting lead screw in the vertical direction can be achieved, so that the lower arm pipe is driven to do linear motion in the vertical direction alongwith the adjusting lead screw, and then the effect of adjusting the overall height of the combined unloading arm is achieved.

The invention discloses a bearing press-fit auxiliary device, comprising: a bottom plate; an upper fixing plate connected to the bottom plate through a vertical plate; a placing seat arranged on the bottom plate, wherein the placing seat has a receiving cavity, and the receiving cavity faces the upper fixing plate; a guiding pin located in the placing seat and protruding towards the direction of the upper fixing plate; a pressing head movably disposed on the upper fixing plate in the axial direction, wherein one end, facing the placing seat, of the pressing head is the pressure end, the pressure end has a blind hole, and the blind hole is matched with the guiding pin. The bearing press-fit auxiliary device of the invention solves the problem of misalignment in the bearing press-fit processand solves the safety hazard of the press-fit of a hand-held auxiliary device. A flywheel positioning sleeve is installed in the receiving cavity of the placing seat, and a guiding hub bearing is arranged at the pressure end and is pressed into the flywheel positioning sleeve by the pressing head. Positions of the pressing head and the placing seat are fixed, and the problem of misalignment is not easy to occur. The guiding pin is also used as an auxiliary. Once there is a problem of misalignment, the guiding pin prevents the pressing head from falling.