16 results about "Lateral deviation" patented technology

This invention belongs to the technical field of precision roll-to-roll manufacturing, specifically relating to a multi-level control method for the lateral sway of an ultrathin film in a roll-to-roll system. The method includes: setting up multi-level lateral correction units arranged sequentially along the running direction of the ultrathin film strip on the roll-to-roll system; real-time acquisition of lateral sway data at each level; and executing multi-level control of the ultrathin film lateral sway. The structure and control parameters of the fine-tuning correction unit satisfy the following: correcting the lateral position of the strip relative to the target position with a preset small stroke amplitude sway component; the structure and control parameters of the coarse-tuning correction unit satisfy the following: correcting the lateral position of the strip relative to the target position with a preset large stroke amplitude sway component; the lower limit of the small stroke amplitude is less than the target processing range, and the upper limit of the small stroke amplitude is greater than the lower limit of the large stroke amplitude. This invention can improve the processing accuracy of the processing area in the roll-to-roll manufacturing system, ensuring the overall stability of the system and the quality of the finished product.

The utility model discloses an agricultural machinery installation tool apron which comprises a tool shaft, a plurality of tool aprons and blades, the tool aprons are arranged on the outer side of the tool shaft in a sleeved mode, and the tool aprons can move in a reciprocating mode in the length direction of the tool shaft and are used for adjusting the distance between the adjacent tool aprons. A plurality of clamping grooves are continuously formed in the end face of the cutter shaft in the length direction of the cutter shaft, a locking mechanism capable of being separated from or clamped with the clamping grooves is arranged on the cutter holder, when the locking mechanism is clamped with the clamping grooves, the locking mechanism is used for locking the cutter holder and the cutter shaft together, and the locking mechanism comprises a set screw, a positioning table and a pressing rod; the whole clamping groove is of an arc-shaped concave face structure, and the positioning table and the clamping groove are oppositely arranged. According to the design scheme provided by the utility model, the stable locking operation between the cutter holder and the cutter shaft can be realized through the matching of the clamping groove and the locking mechanism, and the problem of deviation or rotation in the transverse direction cannot occur.

The utility model discloses an anti -seismic support hanger fatigue performance testing machine relates to fatigue test technical field. Including drive source, be used for to two opposite axial direction apply thrust, and drive source passes through the installation electromagnetic attraction half frame in two axial directions, so that the electromagnetic detection probe in the electromagnetic attraction half frame through the magnetic force adsorption, can move along the axial direction in two electromagnetic attraction half frame, the top surface of electromagnetic detection probe is used to lay with the lip sealant. The utility model discloses a deformation observation mode of two -way electromagnetic drive structure cooperation lip sealant, has realized the non -destructive testing to the fatigue damage of anti -seismic support hanger, wherein the synergic effect of electric two -way push rod and electromagnetic attraction half frame can control the axial displacement of detection probe, and the lower force handle of normal direction setting forms three -dimensional mechanics balance structure with the axial handle frame, effectively eliminates the lateral deviation error of producing in the testing process.

The invention discloses a beam-first and arch-second construction method of a deck type steel box superposed arch bridge and the arch bridge, and relates to the field of arch bridge construction.The beam-first and arch-second construction method of the deck type steel box superposed arch bridge comprises the steps that the central axis and the mileage point of a main bridge are lofted on the ground below the bridge, and the central axis and the mileage point are upwards guided to a guide beam and the beam face of a first main bridge section; a datum reference point is formed, and the datum reference point comprises a central axis projection point and a mileage projection point; the main bridge is pushed, in the pushing process, based on the measuring points installed on the pushed main bridge section and the deviation value between the central axis mark and the benchmark reference point, the pushed main bridge section is corrected, pushing and correcting actions of the next main bridge section are executed, and the deviation value comprises transverse deviation, vertical deviation and plane corner deviation; and after all the main bridge sections are pushed, arch rib sections are synchronously installed towards the center of the main bridge. According to the invention, all-directional and real-time sensing and active deviation correction of the main bridge line shape (transverse, vertical and plane corner) are realized.

The utility model relates to the technical field of copper strip machining guiding, in particular to a deviation-rectifying guiding device for copper strip shearing. The deviation-rectifying guiding device for copper strip shearing comprises a mounting plate, a deviation-resisting component used for preventing a copper strip from sliding and deviation and a deviation-rectifying component used for rectifying the copper strip sliding and deviation are mounted on the mounting plate, and a patch type switch used for starting the deviation-rectifying component is further mounted on the mounting plate. According to the deviation-rectifying guiding device for copper strip shearing, when a copper strip is conveyed on the conveying rollers on the shearing machining conveying frame, the abutting plates in the two sets of guiding devices abut against the two sides of the copper strip respectively, and if the copper strip deviates towards one side of the conveying frame, the abutting plates on the side are abutted by the copper strip deviating from the side, and the copper strip is conveyed to the conveying frame. Therefore, the abutting plate pushes the sliding rod to slide towards the back face of the mounting plate and enables the tension spring to be stretched, the stretched tension spring can effectively damp lateral deviation of the copper strip, and the rate of lateral deviation of the copper strip can be reduced.

The utility model discloses a hydraulic tensioner assembly line final assembly tool which comprises a final assembly working table, an upper platform face is arranged on the final assembly working table, a press-fitting plate is arranged between the final assembly working table and the upper platform face, a hydraulic machine is arranged on the upper platform face, and the hydraulic machine drives the press-fitting plate to ascend and descend. A positioning area for a machined tensioner workpiece is arranged between the press-fitting plate and the final assembly workbench, the tensioner workpiece is positioned in the vertical direction through the positioning area, a through hole for a pull rod to penetrate through during press-fitting loading is formed in the press-fitting plate, and a servo tightening device is arranged on the upper platform face. According to the tensioner assembly general assembly tool, the design that the vertical positioning area and the deflection self-adaption base are combined is adopted, the assembly efficiency is improved by 40%, and the 3-5 mm positioning deviation of a traditional clamp is eliminated; a 55-75-degree conical surface of the device compensates the deviation of + / -5 mm in the transverse direction, and the dynamic leveling technology adopts a universal ball support and a limiting piece combination formed on the periphery to compensate the 1-3-degree assembly deflection angle of a workpiece in real time.

The utility model discloses a mine surveying and mapping instrument which comprises a supporting table, a transverse adjusting mechanism is arranged in the supporting table, the transverse adjusting mechanism is used for slightly adjusting the transverse position of measuring equipment, the transverse adjusting mechanism comprises a first bearing arranged in the supporting table, and a first screw rod is inserted into an inner steel ring of the first bearing. One end of the first screw rod is connected with a twisting cover, the outer side of the first screw rod is in threaded connection with a movable plate, the first screw rod is driven to rotate by rotating the twisting cover, so that the movable plate and the surveying instrument are driven to transversely and slowly move, measurement errors are effectively reduced, and the accuracy of measurement results is improved; the rotary cover is rotated to drive the screw rod II to rotate, so that the bearing table and the surveying instrument are driven to move longitudinally and slowly, the measurement accuracy is improved, the design of the guide rod can guide the bearing table to move longitudinally, and the situation that the measurement accuracy of the surveying instrument is influenced by lateral deviation of the bearing table is prevented.

The invention discloses an insulating support device for a conductor rail. The insulating support device comprises a mounting seat, the supporting insulator is arranged on the mounting seat and is used for supporting and insulating the conductor rail; and the compensation assembly is arranged on the mounting base and connected with the guide rail, and the compensation assembly is configured to allow the guide rail to move on the mounting base in the first direction so as to compensate for the deviation of the guide rail. When the guide rail changes due to the curvature of the curve or deviates transversely, the compensation assembly compensates for the position deviation generated by the guide rail, and contact pressure unbalance caused by rigid fixation of the installation base and the guide rail is avoided.

This utility model provides a baling machine piercing guide rail structure, including a support mechanism, a piercing assembly, and an elastic element. The support mechanism includes multiple track units, and the piercing assembly includes multiple piercing groups. Each piercing group includes a piercing unit and a track wheel assembly, which includes a wheel axle and two track wheels. Thus, the piercing unit's initial position is ensured by the track wheel assembly within the grooves on both sides of the track unit, providing a sliding guide effect and preventing slippage. The initial position of the piercing unit can also maintain centering accuracy under the preload of the elastic element. If lateral deviation occurs due to use, the elastic element can be laterally squeezed to adaptively compensate for the deviation. After the piercing is removed, it automatically returns to its centering position under the action of the elastic element to continue maintaining centering accuracy. This ensures accuracy without production stoppage for replacement or maintenance, thereby maintaining production efficiency and offering convenient adjustment.

The utility model relates to a technical field of supporting leg, put forward a kind of propaganda column supporting leg, including ground insertion rod, main body rod and connecting bolt, the one end of ground insertion rod is provided with V groove, the end of ground insertion rod is formed two sharp parts by V groove;The one end of main body rod is arranged in ground insertion rod, and the other end is fixedly connected with propaganda column;Connecting bolt is arranged between ground insertion rod and main body rod, and the both are fixed.The utility model can conveniently dismount propaganda column by setting supporting leg as including ground insertion rod and main body rod and making the both fixedly connected by connecting bolt, by setting V groove in the one end of ground insertion rod, the end of ground insertion rod is formed two opposite sharp parts, not only can ground insertion rod be inserted into the land with relatively soft texture, improve the installation convenience of propaganda column, but also can avoid ground insertion rod to occur lateral deviation when being inserted into land, ensure the accuracy of ground insertion rod installation position.

The application discloses a curved stiffening chord steel truss bridge design method and a steel truss bridge, and relates to the technical field of bridge design.The method comprises the following steps: in a vertical plane, a part of the upper chord rod system line corresponding to the stiffening chord system line is translated upwards by a set length to serve as a stiffening chord plane rotation shaft; the vertical plane is rotated by a set angle along the stiffening chord plane rotation shaft to the bridge deck side to serve as a stiffening chord plane; the stiffening chord system line is established in the stiffening chord plane, and the stiffening chord structure is established based on the stiffening chord system line.The established stiffening chord structure has no transverse deviation when being spliced with the upper chord rod, and has no secondary stress, and can adapt to different proportional longitudinal slopes on both sides of a circular curve.The method solves the problem that the existing technology brings certain splicing secondary stress to the structure when the stiffening chord is spliced, and threatens the safety of the structure.

The invention provides an ankle joint replacement joint fixing device based on 3D printing, and belongs to the technical field of medical instruments. The device comprises a bottom plate, an adjusting assembly, a foot fixing groove and a tibia fixing assembly, and a core structural part is integrally formed through 3D printing; during use, the foot is placed in the foot groove, the tibia is placed between the tibia fixing blocks, then the adjusting assembly drives the sliding block to move, the angle of the foot fixing groove is adjusted between-30 degrees and 52 degrees, then the first fixing piece is used for fixing the foot dorsum to prevent horizontal displacement, the second fixing piece and the third fixing piece are used for limiting the inner and outer ankles to prevent transverse displacement, and finally the rotating wheel is rotated to drive the lead screw. And the tibia is clamped and locked by the tibia fixing assembly within the range of 0-86mm. The problems that a traditional device is single in angle, unstable in fixation and long in manufacturing period are solved, the adaptability and operation accuracy of the device are improved, meanwhile, the production cost is reduced, and the production period is shortened.

This utility model discloses an adjustment mechanism for a carrier belt conveyor, including a left frame and a right frame. An axially movable adjustment main shaft passes through the right and left frames. An adjustment roller is connected in series on the adjustment main shaft between the left and right frames. The roller surface has an adjustment groove extending circumferentially around its axis, with the groove width decreasing from one end to the other. One end of the adjustment main shaft is connected to a power assembly controlling its rotation. The left and right frames each have a limiting hole extending circumferentially around the axis of the adjustment main shaft. A limiting post is slidably connected within the limiting hole, with one end connected to the adjustment roller. The limiting post also moves axially relative to the limiting hole. This adjustment mechanism features anti-lateral deviation, strong adaptability, complete overall function, and high practicality.

The utility model discloses an insole with stability, and relates to the technical field of insoles. The shoe pad comprises a shoe pad body, a bottom anti-skid limiting assembly and a self-adaptive stabilizing assembly, the shoe pad body comprises a half sole area, an arch area and a heel area, and the half sole area is made of a low-density elastic material layer. Through the bottom anti-skidding limiting assembly, sliding and lateral deviation of a foot are effectively restrained, lateral deviation of the foot is easily caused due to the fact that a traditional insole is lack of a limiting structure, the friction force between the insole and a shoe sole is remarkably enhanced through the wavy lines of the radial anti-skidding strips, the radial direction of the radial anti-skidding strips is matched with a foot stress path, and pressure is guided to be diffused in cooperation with the concave channels. Local stress concentration is avoided, the annular flange of the heel area tightly wraps the heel contour through the acute-angle side wall, transverse displacement is limited, meanwhile, the hemispherical protrusions of the half sole area increase friction force of the contact face, the foot is prevented from sliding forwards, and the area from the half sole to the heel is made of stepped density increasing materials.

The utility model discloses a kind of anti-loose finished product support hanger, it is related to support hanger equipment technical field, comprising: finished product pipeline;Pipeline vertical limiting mechanism, the pipeline vertical limiting mechanism is set to the outside of finished product pipeline, the pipeline vertical limiting mechanism is used to clamp the upper and lower ends of finished product pipeline fastening;In the utility model, the upper and lower ends of finished product pipeline are clamped by pipeline vertical limiting mechanism, and the outside of finished product pipeline and vertical limiting mechanism are tightly fixed by pipeline transverse fixing mechanism, forming the complementary constraint of vertical and horizontal direction.This double fixed mechanism effectively avoids the vertical direction settlement, vibration displacement or lateral deviation that finished product pipeline can occur in long-term use, substantially improves the integrity and anti-loose ability of pipeline fixation.