56results about How to "Solve the skew" patented technology

The invention discloses a backlight module and a liquid crystal display. A frame, a circuit board and a back board of the backlight module are fixed through a first fixing member, meanwhile, a light guide board, the circuit board and the back board are fixed through a second fixing member, a light-emitting diode is arranged between the light-incident surface of the light guide board and the frame so that the circuit board of a light source module is restrained in the horizontal direction and the vertical direction, thereby solving the problems of easy bounce and deflection of the light-emitting diode and improving the phenomenon of nonuniform projection or light leakage of the light-emitting diode. Furthermore, the circuit board of the light source module is fixed and located without using an adhesive tape, thereby saving material cost, having compact structure and being conveniently assembled.

The invention relates to a hydraulic dynamic synchronization control and position compensation system which comprises a detection unit, an electrical control unit and a hydraulic control unit, wherein the detection unit is composed of four displacement sensors positioned on four lifting oil cylinders; the hydraulic control unit is composed of a speed regulating valve, a general-way electromagnetic valve and four shunt electromagnetic valves; the four shunt electromagnetic valves are respectively communicated with a rodless cavity of each lifting oil cylinder through a check valve; a rod cavity of each lifting oil cylinder is connected to an oil return pipeline through a pipeline; the displacement sensors are connected with the electrical control unit through electric cables; and the electrical control unit is respectively connected with the general-way electromagnetic valve and each shunt electromagnetic valve. During the ascending and descending processes of a tundish car, the displacement sensors and the electromagnetic valves constitute a dynamic closed-loop control system, the real-time position of the oil cylinders is dynamically maintained within an allowed error range, the synchronization control and position compensation functions of the tundish car in a long-time loading state as well as static and dynamic states can be realized, and the system has the advantages of low cost, low fault rate and low maintaining expense.

A high speed transceiver without using an external clock signal and a communication method used by the high speed transceiver which applies a clock recovery circuit including a coarse code generator, a frequency detector, and a linear phase detector to the receiver so as to solve problems such as skew between a reference clock and data that may occur during data transmission and jitter of a recovered clock while an embedded clock method of applying clock information to data is used.

The invention adopts full modeling circuit design and, based on a new circuit realizing structure, provides a super high-speed digital to analog converter with 8-digit precision and 2Ghz rate, all realized by the adoption of CMOS process design. The main body of the digital to analog converter is comprised of the following components: low-pressure difference signal receiver, line temperature encoder, field temperature encoder, forestage locking device, gating unit matrix, backdrop locking device, current source matrix and time tree. The invention adapts to the volume of digital signal inputted at super-high speed; solves the issue of skew signals; meanwhile increases the carrying capacity; directly outputs votage signal; meanwhile enhances I-V converting rate; strengths the symmetry of design; increase the precision of outputted signals; and adds fake switch in the current source matrix so as to enhance the precision of I-V conversion. The invention can be widely applied to military and civil use, such as: deep-space detection, electronic countermeasure, radio navigation, precise guidance, mobile communication as well as high resolution digital TV.

The invention relates to a manufacturing method of a short slot hole of a circuit board. The manufacturing method comprises the following steps of firstly, printing a to-be-manufactured short slot hole pattern on the circuit board; then, drilling circular guide holes respectively in the two ends of the to-be-manufactured short slot hole pattern, wherein the circle center of each circuit guide hole is positioned in the centerline of the short slot hole pattern, and is internally tangential with the tail end of the short slot hole pattern; finally, selecting a second drill bit which has the same diameter with the short slot hole to drill holes. The manufacturing method has the advantages that by adjusting the drilling point of the drill bit, the deflection angle caused by the rotation of the drill bit is compensated, the deflection force and lateral movement of overlapping part during drilling are reduced, the accuracy of the short slot hole is improved, the problem of skewing of the short slot hole is effectively solved, the defect rate of the short slot hole is reduced, the quality problem caused by deformation of the short slot hole during processing is solved, the discard rate of the circuit board is reduced, the production cost of enterprises is reduced, the production efficiency is improved, and the competitiveness of enterprise is improved.

The invention belongs to a resin matrix composite liquid forming technology, and relates to a Z-direction enhancing method suitable for a dry-state fiber preform. A Z-Pin implanted prefab is composed of pins and a foam layer; the foam layer is arranged between a perforated plate and an adhesive coating; and the thickness of the perforated plate is 1-3 mm, the pore diameter is 0.3-1 mm, the distance between pores is 3-5 mm, and the perforated plate [2] is made of metal. The invention discloses the Z-Pin implanted prefab suitable for the dry-state fiber preform. A high-density foam layer in an existing Z-Pin implanted prefab is replaced with the adhesive coating, the layer of perforated plate is additionally arranged under the low-density foam layer, thus, the implantation tail ends of the pins can be better supported, the initial implantation section can be better guided, and the problems that the supporting and guiding effects of a foam carrier in the existing Z-Pin implanted prefab on the pins are poor, and the pins are prone to deflecting when the foam carrier is removed through cutting after implantation are solved.

The invention provides a wallpaper paving robot. The robot comprises a main frame (1) and a guide vehicle (2), wherein the main frame (1) is arranged on the guide vehicle (2) and can move relative tothe guide vehicle (2), the robot further comprises an inclined adjusting part (4), wherein the inclined adjusting part (4) is arranged between the main frame (1) and the guide vehicle (2) so as to adjust inclination, relative to the guide vehicle (2), of the main frame (1). By the adoption of the scheme, the main frame can move in multiple angles and multiple directions on the guide vehicle, and can be adjusted when the main frame is inclined, by the adoption of the scheme, the main frame can move automatically on the guide vehicle, and can be adjusted when the main frame is inclined, so thatthe paving straightness of a wallpaper is guaranteed, the problems that wallpaper is inclined and misaligned in opposite joint when the wallpaper paving robot conducts wallpaper paving are solved, andthe advantages of being reasonable in structure, convenient to install and maintain and low in cost are achieved.

The invention discloses a refrigerator and a hinge device for the same. The hinge device comprises a hinge seat, a hinge shaft, a negative shaft and a sliding chute, wherein the hinge shaft is arranged on the hinge seat; the negative shaft is arranged on the hinge seat, and is close to the hinge shafts; a slideway matched with the negative shaft is formed on the sliding chute; the negative shaft is accommodated in the slideway; and the slideway can move along the negative shaft. The hinge device has a simple structure; the total number of parts of the whole hinge device is small, so that the hinge device is convenient to mount, and the production cost is reduced greatly; when mounted, a door body is kept horizontal under the condition of no fixture through a mode of four-point positioning, and the four points comprise an upper hinge shaft, a lower hinge shaft, an upper negative shaft and a lower negative shaft, so that the problem that the door body is inclined can be solved effectively; furthermore, the production efficiency and the product quality are improved, the repair rate is reduced, and the whole production cost is saved.

The invention relates to an anti-floating and anti-tilt tool in a circuit board wave soldering process. The anti-floating and anti-tilt tool comprises a wave soldering tool supporter used for placing PCB (Printed circuit board). The invention is characterized in that the wave soldering tool supporter is provided with a press apparatus used for pressing DIP components, the press apparatus comprises a fixed mount arranged in the wave soldering tool supporter, a press strip and a plurality of press mechanisms arranged on the press strip, and the two ends of the press strip is fixed on the fixed mount through a clamp mechanism. When the DIP components pass across a furnace, each DIP component is pressed by the press mechanisms to prevent the problems of skew of components and high floating ofthe DIP components caused by that tin blocks fall off by the vibration of the wave soldering tool supporter in a wave soldering track in the transmission process. The anti-floating and anti-tilt toolin circuit board wave soldering process provided in the invention has the advantages of saving manpower, raising production efficiency and stabilizing the DIP components. Thus the enterprise production cost is reduced.

The invention relates to a design-improved permanent magnetic synchronous servo motor structure. The design-improved permanent magnetic synchronous servo motor structure comprises a rotor shaft (1), abearing end cover (3) and an angular contact ball bearing (4), wherein the rotor shaft (1) is mounted in a casing (5), a permanent magnet (7) is mounted at the central portion of the rotor shaft (1),a stator (6) is sleeved with the permanent magnet (7) and is in the casing (5), the angular contact ball bearing (4) is mounted at one end of the rotor shaft (1), the bearing end cover (3) is mountedat one end of the casing (5), an outer ring of the angular contact ball bearing (4) is fixed, a deep groove ball bearing (8) and a rotary transformer (9) are sequentially mounted at the other end ofthe rotor shaft (1), the rotary transformer (9) is close to an end portion of the rotor shaft (1), and a socket connector (11) is mounted on the casing (5). The design-improved permanent magnetic synchronous servo motor structure is advantaged in that coaxiality of a center hole of the end cover and the casing is guaranteed, external structure strength of a motor is improved, and a problem of rotor skewing caused by coaxiality of a split type motor and a local vibration problem caused by bolt connection are solved.

The invention discloses a protection device for nickel / chromium composite plating, belonging to the field of hydraulic cylinder plating. The protection device comprises an outer protection sleeve and an inner protection sleeve, wherein the inner protection sleeve is arranged at one end of the outer protection sleeve and is provided with a shoulder; the outer diameter of the inner protection sleeve is matched with the inner diameter of the outer protection sleeve; the inner diameter of the inner protection sleeve is matched with a cylinder piston rod; the outer protection sleeve is provided with an outer sleeve liquid discharge hole; the inner protection sleeve is provided with an inner sleeve liquid discharge hole and a liquid discharge groove; the outer protection sleeve and the inner protection sleeve are combined through bolts; the inner wall of the inner protection sleeve is provided with a thread; and the whole protection device is fixed on a non-plating position of the cylinder piston rod through the thread of the inner protection sleeve and a thread of a workpiece. According to the invention, the protection device is high in corrosion resistance, favorable in reusability, quick to replace, convenient to operate and good in protection effect, saves the cost, avoids the cross contamination of plating bath solutions and improves the production efficiency.

The invention relates to a paper conveying mechanism, which is characterized by comprising a machine frame, a paper feeding mechanism, a deviation correcting adsorption paper feeding mechanism and a paper discharge mechanism, wherein the paper feeding mechanism, the deviation correcting adsorption paper feeding mechanism and the paper discharge mechanism are sequentially arranged on the machine frame, the paper feeding edge of the deviation correcting adsorption paper feeding mechanism is connected with the paper discharge edge of the paper feeding mechanism, and the paper discharge edge of the deviation correcting adsorption paper feeding mechanism is connected with the paper feeding edge of the paper discharge mechanism. Therefore, the paper conveying mechanism has the advantages that in the paper conveying process, the problem of paper skewing or deviation generated in the conveying process is solved through the deviation correction treatment by the deviation correcting adsorption paper feeding mechanism so that the paper can be orderly forwards conveyed, the paper can be stably and reliably forwards conveyed through the adsorption positioning of the deviation correcting adsorption paper feeding mechanism so that the printing or processing accuracy of paper printing processing equipment is ensured, and the quality detection accuracy of printed products and the detection accuracy of code spraying equipment are ensured. The paper conveying mechanism can be applied to paper processing equipment such as paper printing processing equipment, printed product quality detection equipment and code spraying equipment.

The invention provides an automatic paper advance device. The automatic paper advance device comprises a paper obtaining device, a first conveying idler wheel set and a second conveying idler wheel set. The first conveying idler wheel set comprises a first rotary shaft, a first idler wheel and a power connection device. When the power connection device is connected with the first rotary shaft and the first idler wheel to convey a first piece of paper, the first rotary shaft drives the first idler wheel to rotate. When the front edge of the first piece of paper reaches to the second conveying idler wheel set, the paper drives the first idler wheel to rotate at a high speed, and the power connection device is enabled to be released from the power connection with the first idler wheel and the first rotary shaft. And then the first idler wheel enters in a static state to rectify the skew of the next piece of paper. The automatic paper advance device is capable of solving the problem of the skew of the paper, improving paper advance efficiency, and greatly reducing working time.

The invention relates to a cutting seedling method for efficient propagation of North America redwoods. The cutting seedling method for efficient propagation of North America redwoods is characterized by comprising the following steps of cutting slips, cutting seedbeds, preparing light substrate containers, cuttage and transplanting. Based on the conventional cutting seedling method, combining cutting seedling of the light substrate containers, by conducting substrate allocation, cultivation on the seedbeds, unwanted sprout removing and strong seedling remaining, and other technique measures, the cutting seedling method for efficient propagation of North America redwoods has the advantages of being simple and fast to operate, low in cost, and easy in operating procedures, solves the problems of skewing, crown inclining and growing slowly in cutting seedling of the North America redwoods, and improves the survival rate of afforestation of cutting seedling of the North America redwoods, thereby improving the quality of cutting seedling plants of the North America redwoods and the afforestation effect; furthermore, the cutting seedling method for efficient propagation of North America redwoods has the advantages of being long in afforestation period, free of growth delaying periods, and suitable for popularization in actual production.

The device comprises the lens cluster barrel, the guidance assembly, the driving screw and the drive piece. The central axis of the guidance assembly parallel to the optical axis of the lens cluster barrel is utilized to drive the motion of the lens cluster barrel. The driven piece through the interlock of the driving screw drives the motion of the lens cluster barrel along the direction parallel to the optical axis. The movable combination relation is formed between the driven piece and the lens cluster barrel through the connection piece. Thus, the drive piece possesses the function for adjusting the directions of multiple degrees of freedom. In the case of not parallel inclined relation between the driving screw and the optical axis, the direction of the drive piece can be adjusted so as to make the lens cluster barrel move smoothly.

The invention discloses a rollable display module and a display device. The rollable display module comprises a flexible display panel, a reel, elastic structures and a shell for accommodating the flexible display panel, the reel and the elastic structure. The flexible display panel comprises a curled end, and the curled end is connected with the reel. The two ends of the reel are connected with the shell through the elastic structures. According to the rollable display module and the display device, the two ends of the reel are connected with the shell through the elastic structures, so that when the flexible display panel is unfolded, the flexible display panel is stretched through the elastic force of the elastic structures, uneven stress caused by assembly errors is improved, wrinkles of the flexible display panel are reduced, the problems that an existing rollable display module inclines, folds and is damaged when a flexible display panel is unfolded are solved, and the flexible display panel can be flatly unfolded.

The invention discloses a secondary rectifying mechanism for a combined bag supplier. The mechanism comprises a frame, a vertical bag supply mechanism and a horizontal bag supply mechanism, a vertical bag taking cylinder and a horizontal bag taking cylinder, a conveying chain and a conveying belt module, and a motor; the frame is provided with a baffle plate in front of a discharge end of the conveying chain; two position sensors are oppositely mounted on the frame near the discharge end of the conveying chain; two rectifying sensors are oppositely mounted on the frame near the end of the baffle plate; a controller is mounted on the frame; on the one hand, the controller is electrically connected with the two position sensors and the two rectifying sensors; and on the other hand, the controller is electrically connected with the motor. The mechanism is simple in structure, solves the problem that material bags are supplied aslant or not in place, needs no manual intervention, is high in reliability, and guarantees normal actuation of a subsequent filling procedure.

The invention discloses a conveyor belt intermittent conveying mechanism. The conveyor belt intermittent conveying mechanism includes a support belt mechanism, a conveyor belt, a bull gear, a bevel gear, a synchronous belt driven wheel, a pinion, a synchronous belt driving wheel, a synchronous belt, a left bracket, a tension spring, a pinch roller combination, a conveyor belt roller, a right bracket, a cam, a fixed shaft and a driving shaft, wherein two ends of the driving shaft are supported by the left and right brackets; one end of the driving shaft is coaxially fixed with the bevel gear and the bull gear, and the other end of the driving shaft is connected with the cam through a key; the conveyor belt roller is hinged to the driving shaft through a bearing; the synchronous belt drivenwheel is fixed at one end of the conveyor belt roller; the synchronous belt driving wheel and the pinion are coaxially fixed on the fixed shaft; the synchronous belt driving wheel drives the synchronous belt driven wheel through the synchronous belt to drive the conveyor belt roller to rotate; and two ends of the pinch roller combination are hinged to the left and right brackets respectively, andare pressed on the synchronous belt by the tension spring. The conveyor belt intermittent conveying mechanism changes the movement mode of the conveyor belt, and solves the problem that the top of a steaming package is skewed and the appearance is not beautiful due to the movement of the conveyor belt.

The invention belongs to the technical field of power construction, and discloses an auxiliary support for overhead cable line construction, which comprises a fixed lock catch, the bottom end of the fixed lock catch is fixedly connected with a height adjusting mechanism, and the bottom end of the height adjusting mechanism is movably sleeved with a height control mechanism. The bottom end of the height control mechanism is fixedly connected with a rotating mechanism, and the bottom end of the rotating mechanism is fixedly connected with a base. The height adjusting mechanism is designed to steplessly control the support to ascend or descend, so that the carried cable is ascended or descended, meanwhile, the damping rotating mechanism is designed, the support can rotate at any angle and stop at the angle, and under the combined action of the height adjusting mechanism and the rotating mechanism, the aerial cable support can be changed in a certain spatial position so as to adapt to a flexible working environment.

The invention discloses an open installation inspection well and pavement engineering connecting structure and method in municipal administration pavement engineering. The open installation inspection well and pavement engineering connecting structure comprises an inspection well and a pavement engineering road surface; the inspection well comprises a well bottom, a well chamber and a well ring, the upper edge of the well chamber is matched with the lower edge of the well ring, and the lower edge of the well chamber is matched with the well bottom, wherein a well ring strengthening layer is arranged on the outer wall of the upper portion of the well chamber, and the well chamber supports the well ring and the pavement engineering road surface through the well ring strengthening layer and is used for providing stable supporting for the inspection well and the pavement engineering road surface. According to the open installation inspection well and pavement engineering connecting structure and method, the well ring strengthening layer with the thickness not smaller than the design thickness of a roadbed is arranged, micro-adjustment is carried out on the structure of the well ring of the inspection well, the roadbed on the periphery of the lower edge of the well ring is compacted, and therefore serious sedimentation, deflection, surrounding structure loosening and cracking and the like, caused by basis unevenness and sedimentation, of a road surface well opening are solved. Meanwhile, the invention further provides a open installation inspection well and pavement engineering connecting method in the municipal administration pavement engineering.

The invention discloses an image acquisition auxiliary device for college student image acquisition. The device comprises a machine body. A fan-shaped gear is fixedly mounted on the front side surfaceof the gear base. A third electromagnet attracts the third permanent magnet, and the sliding block slides inwards to the outer side face of the third electromagnet. The angle of the transverse adjusting rod is controlled and rotated. The transverse adjusting rod makes contact with the side face of the face to transversely adjust the face. The problem that manual guidance is needed during photographing or a human face in a picture is skewed is solved. The position of the jaw support is controlled through the threaded screw, the jaw support and the jaw are controlled to adjust the position of the jaw, and the problem that the jaw inclines during photographing is solved. The device for adjusting the height of the device is arranged, the face position during photographing can be adjusted in an extending mode, and after adjustment, the device is shortened to facilitate photographing.

The invention discloses an automatic film sticking machine for mobile phones. The automatic film sticking machine comprises a machine body. A cleaning space with a rightward opening is arranged in themachine body. A shrinking space is arranged on the lower side of the cleaning space. An air pipe space is arranged on the lower side wall of the shrinking space. A wire winding space is arranged on the right side of the air pipe space. A universal joint space is arranged on the rear side of the wire winding space. An alcohol space is arranged on the rear side of the cleaning space. Machine film sticking is more convenient and rapider, labor force is liberated, the requirements for operators are also low, the mobile phones of different types can be subjected to film sticking by adjusting different structures of the machine, the machine adapts to various types of mobile phones on the current market, the machine has the continuity and can repeatedly carry out film sticking operation, the film sticking efficiency is improved, and the time is saved.

The invention relates to the field of communication gateways, in particular to gold-plated pin arrangement cutting equipment for connecting a communication gateway device with a network cable connector. In order to solve the problem that in the prior art, in the processing process of gold-plated pins of a network cable connector, metal wires are arranged loosely, so that the metal wires are inclined. The gold-plated pin arrangement cutting equipment for connecting the communication gateway equipment with the network cable connector comprises a fixed bottom frame, a processing cabin body and the like, a treatment cabin is mounted at the top of the fixed underframe. According to the device, automatic arrangement and fixed-length cutting of metal wire raw materials of gold-plated array pins of the network cable connector are achieved, bulk loose and inclined metal wires are automatically gathered, the inclined metal wires are all corrected to be parallel in a gathering mode, the metal wires are spread and arranged again after being gathered, and the production efficiency is improved. And the two sides of the cutting position are pressed and fixed, and the situation that the metal wire deforms due to force in the cutting process is avoided.

The invention discloses electronic equipment. The equipment comprises a shell, a driving assembly, a guide rail, an elastic module and a driven assembly, the driving assembly and the guide rail are arranged in the shell; the driven assembly is connected with the driving assembly, the driving assembly drives the driven assembly to move along the guide rail, the elastic module is connected with theguide rail, the elastic module comprises an abutting piece and an elastic piece, the elastic piece is connected with the abutting piece, and the driven assembly abuts against the abutting piece in a sliding mode. According to the scheme, the problem that the telescopic assembly of the electronic equipment is prone to skewing in the telescopic process can be solved.

An image sensing component includes a component sent and several image sensors containing several sensing pels array in a same direction with that of the image sensors. The above mentioned image sensors are fixed on the sensing components, the adjacent image sensors are aligned with each other in distance, therefore when the above mentioned image sensing components are mounted on a photo module, the image sensors are not tilted nor offset oppositing to the position of the photo seat to solve the problem of tilt of every image sensor to related photo seat.

The invention relates to a printing ink box. The printing ink box comprises a framework, a type belt storage bin and a type belt recycling bin are arranged on the framework, and a type belt passes through a first path and a second path between the type belt storage bin and the type belt recycling bin. The printing ink box is characterized in that the first path and the second path are arranged onthe framework in a staggered floor mode. The printing ink box further comprises a pressing device, and the first path or the second path is formed by detachably fixing the pressing device to the framework. The invention further provides a printing machine with the printing ink box.

The invention provides an ejecting device and a terminal device with the ejecting device. The ejecting device comprises a fixed sleeve, an ejecting module which is disposed in the fixed sleeve and canmove relative to the fixed sleeve in a first direction, a push-pull slider which is used for providing power in the first direction to the ejecting module, and at least two elastic members which canbe elastically deformed in the first direction, wherein one end of each of the at least two elastic members abuts against a bottom surface of the ejecting module, the other end is linked with the push-pull slider, a first contact position and a second contact position are located at two sides of a central axis of the ejecting module, the first contact position is a contact position of a first elastic member of the at least two elastic members and the bottom surface, and the second contact position is a contact position of a second elastic member of the at least two elastic members and the bottom surface. According to the above technical scheme, the skew problem that occurs when the ejecting module pops up the terminal device can be solved, and the lifting efficiency of the ejecting modulecan be improved.