195 results about "Spiral line" patented technology

The invention discloses a refrigeration pipe welding positioning method and device. The method comprises the following steps that S1, branch pipes are placed in all storage boxes; s2, the main pipeline is placed in a matching groove of the supporting frame, and the main pipeline is fixed through cooperation with a pressing ring; s3, a third electric cylinder is started, the third electric cylinder drives a supporting frame and the main pipeline to move to be close to the welding gun, and a branch pipe of the main pipeline moves to cross the welding gun; s4, a first electric cylinder is started, and the first electric cylinder drives a synchronous plate and an ejector sleeve to move; the motor, the first chain wheel, the second chain wheel, the chain and the hollow rotating disc are matched to drive the vortex line groove and linear groove linkage adjusting block and the rolling wheel to move, the purposes of clamping positioning and circle center correction of the branch pipe are achieved, the branch pipe is corrected to the position concentric with the disc, the coaxiality of the branch pipe and a main pipeline branch pipe is guaranteed, and the machining efficiency is improved. And the quality problems of insufficient welding, welding skips, poor welding seam forming and the like caused by positioning deviation are avoided.

The invention discloses rotary clamping equipment for a medium-caliber seamless steel pipe for fluid conveying and a using method, and relates to the technical field of steel pipe machining. The rotary clamping equipment for the seamless steel pipe for conveying the medium-caliber fluid comprises a rack, a steel pipe, a machine box and a supporting frame, and further comprises a chuck assembly which is coaxially and rotatably installed on the machine box and the supporting frame and used for fixing the two ends of the steel pipe. The double-row cylindrical self-aligning bearing is used for supporting the main shaft sleeve, passive self-adaptive self-aligning of the main shaft sleeve is achieved, a chuck assembly at the driving end can follow the instantaneous rotation axis of actual bending change of a steel pipe in real time, and a workpiece is not forced to conform to the theoretical axis of equipment; the problems of spiral line contact between the clamping jaw and the surface of the steel pipe, local stress concentration and periodic pulsation attenuation of clamping force caused by forced centering under traditional rigid clamping are solved, it is guaranteed from the source that the clamping jaw and the outer edge of the steel pipe always keep stable and uniform surface contact in the initial clamping stage and the rotating process, and axial movement is eliminated.

The invention discloses a polishing device for batch machining of automobile bearings, and particularly relates to the technical field of automobile workpiece grinding, the polishing device comprises a polishing frame and a polishing abrasive belt, a dust collector is installed on the side, close to the polishing abrasive belt, of the polishing frame, and a stable polishing assembly is arranged between the polishing frame and the polishing abrasive belt; the stable grinding assembly is used for keeping a spiral propelling type grinding track between the workpiece and the grinding abrasive belt; the stable grinding assembly comprises a driving guide wheel disc and a driven guide wheel disc which are movably connected to the side, close to the grinding abrasive belt, of the grinding frame. Workpieces in the two clamping blocks are driven to perform pure rotary motion through rotation of the driving guide wheel disc, the inclined grinding abrasive belt represents a fixed fixed inclined plane, and then when any point on the surface of a bearing makes contact with the grinding abrasive belt, the motion trail of the grinding abrasive belt is not a simple circumferential line any more, so that the grinding effect is good. The spiral line is formed by combining the tangential motion of rotation and the axial sliding component caused by the inclination angle.

The invention discloses a double-spiral type acoustic black hole vibration reduction structure which comprises two spiral line acoustic black holes, a transverse connecting rod and a damping layer. The spiral acoustic black hole comprises a plurality of conical units. And the thickness of each conical unit is gradually reduced by a power function in the direction from the head end to the tail end. The damping layer is arranged on the inner surface of the conical unit. Any two adjacent conical units are smoothly connected in a head end-head end or tail end-tail end mode, and the spiral line acoustic black hole with the periodically-variable diameter is constructed. And the spiral line acoustic black hole spirally extends around the central shaft. The two spiral line acoustic black holes have the same screw pitch and spiral radius, the center axes of the two spiral line acoustic black holes coincide, and the two spiral line acoustic black holes are arranged in a staggered mode along the center axes to form a parallel coiled double-spiral structure. And the plurality of transverse connecting rods are arranged on the central shaft at intervals so as to transversely connect the two spiral line acoustic black holes. According to the vibration reduction structure, the wave velocity regulation and control mechanism of the acoustic black hole and the band gap characteristic of the periodic structure are fused, and the more efficient and stable vibration reduction performance is achieved for multi-dimensional vibration.

The invention discloses a double-tool-bit groove edge milling machine and relates to the technical field of steel plate groove milling. The double-tool-bit groove edge milling machine comprises a transmission box, a positioning shaft and a swing shaft, the axis of the positioning shaft and a rack are kept static relatively, the rotating axis of a first milling tool bit coincides with the axis of the positioning shaft, and the rotating axis of a second milling tool bit coincides with the axis of the swing shaft; the rotating axis of the second milling tool bit coincides with the axis of the positioning shaft. The hydraulic rod stretches out and draws back to drive the swing shaft to swing around the axis of the positioning shaft. The extending direction of the arc-shaped sliding rail is a spiral line, and the axis of the spiral line coincides with the axis of the positioning shaft. The milling tool bit has the beneficial effects that the two milling tool bits II are designed to mill a groove of a workpiece; the groove of the workpiece is milled through the first milling tool bit, and the groove of the workpiece is covered with the first milling tool bit and the second milling tool bit; the milling depth of the single tool in the double tool bits is halved, the heat productivity is reduced, and the cutting efficiency is improved; free and fast switching between a slope opening and a V-shaped groove is achieved, the working process is simplified, and the turn-over process is omitted.

The utility model discloses a lead screw nut withdrawing device which comprises a supporting mechanism, a clamping mechanism used for fixing a lead screw is arranged at the top of the supporting mechanism, two symmetrical guide mechanisms used for achieving sliding connection are arranged between the clamping mechanism and the supporting mechanism, and a rotating mechanism used for rotating a nut on the lead screw is arranged on the supporting mechanism. The rotating mechanism comprises a first bearing seat and a second bearing seat, the first bearing seat is located between the clamping and fixing mechanism and the second bearing seat, and a movable column is movably arranged between the first bearing seat and the second bearing seat in a penetrating mode; the lead screw is clamped through the clamping and fixing mechanism, the nut is arranged in the rotating mechanism, the nut is rotated through the rotating mechanism, under the matching action of the clamping and fixing mechanism and the guiding mechanism, the lead screw can do linear motion under pushing of a spiral line till the lead screw is separated from the nut, and then the nut retreating effect is achieved. Semi-automatic operation of the whole machine is achieved, workers only need to be responsible for feeding and discharging, the labor intensity of the workers is effectively reduced, and the nut withdrawing efficiency is improved.

The application belongs to the technical field of welding, and particularly relates to a repair welding method for eliminating welding cracks of ZL205A alloy castings. The application provides a repair welding method for eliminating welding cracks of ZL205A alloy castings, which comprises the following steps: S1. high-temperature heat treatment is performed on the ZL205A alloy castings after defects are removed; S2. the castings are taken out when the castings are cooled to 100-150 DEG C in the furnace, and tungsten argon arc repair welding is performed; S3. the welding area is covered with heat preservation cotton, and the castings are cooled to normal temperature; S4. if defects need to be repaired again after the castings are subjected to the aforementioned high-temperature heat treatment and repair welding, only a local area is heated to 100-150 DEG C by using a torch, and then tungsten argon arc repair welding is performed; the tungsten argon arc repair welding is performed in a spiral line repair welding sequence and a layered overlaying manner. The application eliminates the root cause of thermal cracks through high-temperature heat treatment before welding, and controls welding process stress by using a spiral line repair welding sequence, so that the repair welding thermal cracks of super-large thin-walled ZL205A castings can be effectively eliminated, only one heat treatment is needed, the production efficiency is high, and the composition of welding wire is optimized to further reduce the thermal crack tendency.

The application provides a jacking device. The jacking device comprises a base, a jacking part and a rotating part. The jacking part is arranged on the base and is movable relative to the base along a first direction. The jacking part has a rack part extending along the first direction. The rotating part is arranged on the base and is rotatable relative to the base about a second direction. The second direction has an included angle with the first direction. The rotating part has a driving tooth. In a projection plane orthogonal to the second direction, the projection of the driving tooth is a spiral line. The driving tooth is used for meshing with the rack part. In a projection plane parallel to the first direction and the second direction, the projection of the driving tooth overlaps with the projection of the rack part at one end of the first direction, and the projection of the driving tooth is arranged at intervals with the projection of the rack part at the other end of the first direction. The jacking device drives the jacking part to move through the meshing of the driving tooth of the rotating part and the rack part of the jacking part, and has a simple structure.

The cold header with the positioning structure comprises a movable seat, a fixed seat is arranged on one side of the movable seat, clamping devices are installed on one side of the fixed seat and one side of the movable seat, each clamping device comprises an unlocking sleeve, a positioning sleeve, a positioning rod, a clamping groove, a clamping sleeve and a fixing rod, the unlocking sleeve is installed on the outer side of the clamping sleeve, and the positioning rod is installed on the outer side of the clamping sleeve. The multiple clamping sleeves are installed on the outer sides of the positioning sleeve and the positioning rod correspondingly, the clamping grooves are spirally formed in the outer sides of the positioning sleeve and the positioning rod correspondingly, the multiple fixing rods are arrayed on the side walls of the clamping sleeves along a spiral line, and a reinforcing mechanism is arranged on the outer sides of the clamping sleeves and comprises a rotating plate, a fixing block, a reset block, a round rod, a round hole, a reset spring and a fixing groove. The round rod is installed on one side of the unlocking sleeve, a plurality of round holes are formed in the rotating plate, the reset spring is connected with the fixing block and the reset block, and a plurality of fixing grooves are formed in the clamping and fixing groove. The double technical dilemma that a positioning system is tedious and complex to replace, and the design stability of rapid replacement is insufficient is solved.

A device (6) for autonomous adjustment of the active length of a spiral (5), for oscillators (4, 5) of the balance-spiral type, comprising a cock (12) mounted on a plate (13) of a horological movement (2) and in which a balance shaft pivots, the spiral (5) including an inner end secured to the balance shaft and an outer end secured to a balance spring stud (8) fastened to a balance spring stud holder (10), the balance spring stud holder (10) being pivotably mounted on the cock (12) concentrically to the balance shaft, and means for modifying the active length of the spiral (5).

The application discloses a method for measuring the spiral degree of pepper fruits, comprising the following steps: S1, cutting a middle fruit section with uniform spiral from the pepper fruits to be measured; S2, inserting a needle vertically to the surface of the fruits on the spiral lines of the fruit section to be measured every 1 cm in the direction perpendicular to the cross section of the fruits, and totally inserting n needles; S3, vertically fixing the fruit section to be measured on a detection table with a black background, meanwhile, placing a reference object, and using a camera with a lens perpendicular to the detection table to take a picture to obtain an original image; S4, correcting the lens distortion to obtain a corrected image; and S5, measuring the included angle phi between the first needle and the n-th needle in the corrected image to obtain the spiral angle RDM of the fruit section to be measured. The application combines the computer-aided measurement of the fruit shape, has the advantages of low cost and high precision, reduces the error of the spiral degree, and improves the calculation accuracy of the spiral angle of the pepper fruits.

An anti-blocking device for a paper medium pulping machine comprises a rack and a charging barrel assembly installed on the rack, and a filtering assembly communicated with the top of the charging barrel assembly is arranged on the rack. A partition plate for separating the filtering assembly from the charging barrel assembly is mounted on the rack, and a supporting frame for supporting the charging barrel assembly and an air injection assembly located at the top of the charging barrel assembly are mounted on the partition plate; the charging barrel assembly comprises a charging barrel main body and a feeding pipeline communicated with the top of the charging barrel main body, the feeding pipeline is arranged in the spiral line direction of the charging barrel main body, and an air hole corresponding to the air injection assembly is formed in the middle of the feeding pipeline; compared with the prior art, by arranging the feeding pipeline in the spiral line direction of the charging barrel main body, slurry is uniformly conveyed into the charging barrel main body through the feeding pipeline, the slurry is prevented from being blocked at the feeding port of the charging barrel main body, and under the action of the air injection assembly, the slurry can be uniformly conveyed into the charging barrel main body. Downward conveying of the slurry and dredging of the slurry at the discharge hole of the charging barrel main body are realized, and stable discharge of the slurry is ensured.

The utility model provides a spiral corn milling cutter. The spiral corn milling cutter comprises a cutter body similar to a circular truncated cone shape or an inverted cone shape, a plurality of arc-shaped edge blades and a plurality of linear edge blades, at least two layers of arc-edge blades are arranged on the side face of the cutter body close to the lower end face from bottom to top, and each layer is arranged in the circumferential direction; the multiple linear-edge blades are arranged on the side face of the cutter body in a climbing mode along multiple spiral lines in the axial direction. The arc-shaped edge blade and the linear edge blade are respectively provided with at least one arc-shaped cutting edge, and one linear cutting edge protrudes outwards relative to the side face of the cutter body. The utility model aims to solve the problem that the spiral corn milling mode is single.

The utility model relates to a data line convenient to store, which comprises a first joint and a second joint, a connecting line is fixedly connected between the first joint and the second joint, and the first joint is provided with a butt joint mechanism used for being clamped with the second joint; the peripheral side of the connecting line is wrapped with a spiral line, a groove is formed in the side of the first connector, and a spiral groove corresponding to the spiral line is formed in the groove. The utility model relates to the technical field of data lines. According to the data line convenient to store, when the data line is used, the data line can be folded and stored for different times according to different lengths, when the data line is stored, a carrier for storing the data line does not need to be used, the occupied space when the data line is stored is reduced, the phenomenon that the data line is wound is avoided, and the effect that the data line is convenient to store is achieved.

The invention provides a drilling and coal discharging drill rod and a drilling and coal discharging construction method.The drilling and coal discharging drill rod comprises a plurality of drill rod bodies which are connected end to end, every two adjacent drill rod bodies are fixedly connected through a connecting piece, the multiple drill rod bodies are each of a hollow structure, and the end of the drill rod body at the foremost end is of a sealing structure; a water spraying hole communicated with the middle of the drill rod body at the foremost end is formed in one side of the drill rod body at the foremost end in the radial direction of the drill rod body, a high-pressure water pipeline connector is connected to the drill rod body at the rearmost end, spiral blades are arranged on the peripheries of the drill rod bodies respectively, and a plurality of prismatic pieces are evenly arranged on the upper side faces of the spiral blades at intervals in the spiral line direction of the spiral blades. A plurality of sawteeth are evenly arranged on the side, away from the drill rod body, of the spiral blade at intervals along a spiral line. And the success rate, the coal breaking efficiency, the coal discharging efficiency and the safety of long drill hole construction in a complex coal seam are remarkably improved.

The invention relates to a driver for a microscope and a microscope. The driver comprises a frame, a sliding piece, a worm and a worm wheel. The frame is configured to be fixedly connected to a bracket of the microscope; a slider slidably connected to the frame in the vertical direction, and configured to mount an objective converter of the microscope; a worm rotatably connected to the frame; and the worm gear is meshed with the worm and is in transmission connection with the sliding piece, so that the worm drives the sliding piece to slide relative to the frame through the worm gear when the worm rotates. Wherein the spiral lead angle of the worm is smaller than the equivalent friction angle between the worm and the worm gear. According to the driver disclosed by the embodiment of the invention, unexpected movement of the objective lens converter in the vertical direction can be prevented, so that the definition of the obtained sample image is ensured.

The invention discloses a strip winding CCT magnet structure with local high-order sine optimization and oblique slotting, which is characterized in that local high-order correction in a Z direction is carried out on a central line spiral line track of a traditional CCT bobbin strip skeleton channel, and on a central line spiral line track from 0 degree to 360 degrees of the same turn of strip in the channel, the strip winding CCT magnet structure with the local high-order sine optimization and the oblique slotting is carried out on the central line spiral line track of the same turn of strip in the channel. The set position is selected for vertical grooving, the set position is selected for oblique grooving, and the oblique grooving direction is an oblique angle gamma compared with the traditional grooving direction perpendicular to the axis. In order to solve the problem that stress concentration of an HTS strip is prone to occurring in a bending transition area due to the existing vertical channel design, local high-order sine correction is introduced in the Z direction, and the space transition path of the strip is smoothly optimized. And the risk that the brittle superconducting strip (such as Nb3Sn) cracks or degenerates performance in the winding process is fundamentally reduced. The inclined slotting enables the side face of the channel to be in large-area fit contact with the wide face of the HTS strip.

The invention discloses a waste glass recycling and reusing system, and belongs to the technical field of photovoltaic glass production. Comprising a feeding conveying device, a layered conveying device, a discharging conveying device and a crushing device, and the crushing device comprises an input roller way, an upper crusher, a receiving bin, a crushed material conveying structure and a lower crusher; the upper pulverizator is located above the rear portion of the lower pulverizator, and the lower portion of the upper pulverizator rotates forwards. A boss is arranged on the front bin wall of the receiving bin, the rear side of the boss is a tip, and the projection of the boss is located on the front side or adjacent front of the lower crusher; the material receiving bin and the boss are both made of hard alloy, and a plurality of grooves are formed in the four bin walls of the material receiving bin side by side up and down. The upper crusher comprises a roller arranged in the left-right direction and a plurality of first striking assemblies arranged on the roller side by side in the left-right direction, each first striking assembly comprises a circular ring coaxially arranged on the circumferential face of the roller and two tip protrusions at the two opposite ends of the circular ring, the tip protrusions of all the first striking assemblies are distributed in a spiral line mode, and the spiral line and the roller are coaxially arranged.

The invention relates to the technical field of transportation mechanical equipment, and provides a spiral blade replacement anti-deformation system and method. The system comprises a horizontal supporting and positioning device used for supporting and horizontally fixing a spiral mandrel from the lower portion in the process of removing old blades and welding new blades; the circulating cooling device is communicated with the interior of the spiral core shaft to form a cooling loop for circularly cooling the spiral core shaft; and the blade fixing device is detachably clamped at the joint of each spiral blade and the blade root and is used for pressing and fixing the joint after the new blade is welded. According to the method, the mandrel of the repaired spiral conveyor is not bent, the spiral line of the blade is smooth and complete, the operation stability and the material conveying efficiency of the repaired spiral conveyor are remarkably improved, and continuous and stable material conveying between vanadium oxide production procedures is guaranteed.

A metal pipe multi-point continuous electromagnetic thickness measuring device relates to the metal pipe wall thickness measuring technology and comprises a supporting sleeve and rollers used for driving the supporting sleeve to walk, and an electromagnetic thickness gauge is installed on the supporting sleeve. The axis of the roller is not overlapped with or perpendicular to the axis of the to-be-detected pipeline, so that the walking path of the roller on the surface of the to-be-detected pipeline is in the shape of a spiral line. According to the utility model, the advancing direction of the roller is inclined relative to the axis of the pipeline to be measured, so that the advancing tracks of the roller and the electromagnetic thickness gauge on the surface of the pipeline to be measured are changed into spiral lines, so that the measuring points are uniformly distributed on the outer side of the pipeline to be measured, and the pitch of the spiral lines can be changed by adjusting the inclination angle of the roller. And the density of the measurement points is increased. Therefore, by changing the uniformity and the density of the measurement points, the accuracy of the measurement of the overall thickness of the pipeline can be effectively improved, and the comprehensive evaluation of the thickness of the pipeline can be formed.

The utility model discloses an electric power engineering construction pipeline storage rack, and relates to the technical field of pipeline storage, the electric power engineering construction pipeline storage rack comprises a storage rack, two sides of the inner part of the storage rack are rotatably connected with a plurality of storage roller groups through rotating shafts, and the outer walls of the plurality of storage roller groups are fixedly connected with screw propulsion assemblies; a reinforcing assembly is fixedly connected to the center of the interior of the storing and taking frame, a working motor is fixedly connected to one side of the outer wall of the storing and taking frame, the output end of the working motor is fixedly connected with one end of one storing and taking roller set, and a protection frame is fixedly connected to the end, away from the working motor, of the outer wall of the storing and taking frame. Rubber spiral lines on the surfaces of the spiral propelling assemblies can be tightly attached to the outer wall of the pipeline, after the storing and taking roller sets are driven by the working motor, the two spiral assemblies synchronously and reversely rotate, resistance opposite to the potential sliding direction of the pipeline is provided through the inclination direction of the spiral lines, and axial displacement of the pipeline is limited.

The utility model provides a reaction kettle cleaning device which comprises a base, the base is arranged on a reaction kettle, the base is rotationally connected with a spline shaft, the spline shaft is connected with a driving assembly, the spline shaft is sleeved with a sliding base in a sliding mode, the sliding base is in threaded connection with a screw rod, and the screw rod can drive the sliding base to slide along the spline shaft when rotating. A plurality of brushes are connected to the sliding seat and are in contact with the inner wall of the reaction kettle. The device is convenient to operate and simple in structure, the cleaning track of the brush on the inner wall of the cylinder is a spiral line, two motion tracks of linear motion and single rotation cleaning along the axis are combined, and the cleaning efficiency is improved.

The application discloses a pipeline detection robot, which comprises multiple groups of coaxially arranged variable-diameter mechanisms, detection mechanisms are arranged on a part of the variable-diameter mechanisms and are used for detecting inner walls of the pipeline, and screw-in wheels are arranged on a part of the variable-diameter mechanisms, the screw-in wheels are used for being attached to the inner walls of the pipeline under the support of variable-diameter supports, and a helix angle exists between a rolling axis of the screw-in wheels and an axis of a first annular frame in the variable-diameter mechanisms, so that the screw-in wheels are rolled along a helix line of the pipeline wall under the driving of a feeding drive, and the pipeline detection robot is axially advanced along the pipeline. The unique helix angle arrangement of the screw-in wheels realizes the driving of the robot advancing in a helix driving mode, the pipeline detection robot has the advantages of simple and compact structure, strong dragging capacity and good application in the detection of medium-diameter and even small-diameter pipelines. The variable-diameter supports are arranged in a form that concave arc surfaces of the first arc-shaped frame and the second arc-shaped frame are oppositely arranged, have a large adjustment span, and thus have good variable-diameter capacity and can be suitable for more pipelines with different diameters.

The invention provides a measuring device for alloy fluidity in a concentric three-spiral-line thin-wall casting, a using method and a predicting method, and belongs to the field of liquid metal fluidity testing. The method is used for solving the problems that in the prior art, the flowing property and the mold filling property of liquid metal in the thin-wall casting pouring process cannot be accurately measured, and the actual mold filling condition of the thin-wall casting cannot be synchronized through flowing property testing. The device comprises a concentric triple-helix pattern, a sprue pattern, an outer sprue pattern, a lower sand box, an upper sand box and an outer sprue sand box, the upper sand box is mounted on the lower sand box, the concentric triple-helix pattern is mounted in the lower sand box, the outer sprue sand box is mounted on the upper sand box, the sprue pattern is mounted in the upper sand box, and the outer sprue pattern is mounted in the outer sprue sand box. The outer sprue pattern is mounted in the outer sprue sand box, the sprue pattern is connected with the outer sprue pattern, and the concentric triple-helix pattern is expanded in the radial direction of the sprue pattern in the Archimedes spiral direction. The device is mainly used for testing liquid metal fluidity.

The invention relates to the technical field of oil and gas field downhole operation, and particularly discloses a lead-in tool and method for fishing a fish. The tool comprises a swing assembly, a spiral winding assembly, a driving assembly and a flow guide assembly. The swing assembly is used for being connected with the fishing barrel and providing rotary motion. The spiral winding assembly can be switched between a closed state and an unfolded state, and an involute spiral line structure is formed when the spiral winding assembly is unfolded so as to expand the leading-in range. The driving assembly drives the first wire harness and the second wire harness through rotation of the turbine ring, unfolding and closing of the spiral winding assembly are achieved, and resetting is completed in cooperation with the elastic body. The flow guide assembly can be switched between a blocking state and an opening state, fluid driving efficiency is ensured, and the fallen fish can pass through conveniently. According to the tool, the spiral winding action and the swinging action are overlapped, the fishes are actively guided to enter the fishing barrel, the introduction success rate is remarkably increased, the tool adapts to complex well conditions and different types of fishes, the operation time is effectively shortened, the fishing cost is reduced, and the productivity recovery efficiency of difficult wells is improved.

The invention discloses a vortex-induced vibration turbulent flow device of a wind driven generator and an installation method thereof.The vortex-induced vibration turbulent flow device of the wind driven generator comprises at least one turbulent flow net, and the turbulent flow net is suitable for being arranged on the outer surface of a tower drum in a winding mode; the turbulent flow net comprises a connecting rope and a plurality of turbulent flow strips, the connecting rope comprises a first connecting section, a second connecting section and a third connecting section, and the first connecting section and the second connecting section are arranged at an interval; the multiple turbulent flow strips are arranged in the mounting area and are arranged at intervals in the length direction of the mounting area, the two ends of each turbulent flow strip are connected with the first connecting section and the second connecting section respectively, and the turbulent flow strips and the first connecting section are arranged at an angle; when the turbulent flow net is wound on the outer surface of the tower drum, the multiple turbulent flow strips are sequentially connected in the circumferential direction of the tower drum to form at least one spiral line. According to the technical scheme, the vortex-induced vibration turbulent flow device can be directly installed on the erected high-altitude tower, and ground winding or overall hoisting is not needed.

The invention discloses a Chinese yam profiling, peeling and cutting-off integrated processing device and method, and the device comprises a rack which is coaxially provided with a feed port and a discharge port; the feeding conveying mechanism is arranged at the front end of the rack corresponding to the feeding hole; the clamping and conveying mechanism is arranged on the rack corresponding to the feeding hole; the center line of the clamping conveying channel and the center line of the feeding conveying channel are located on the same straight line. The profiling cutting mechanisms are installed on the rack corresponding to the clamping and conveying mechanism, cutting edges of the multiple profiling cutting mechanisms are symmetrically arranged in a spiral line mode along the center line of the clamping and conveying channel, and all the circumferential parts of the Chinese yams are sequentially peeled; macroscopic follow-up and micro-profiling are carried out on the outer diameter of the Chinese yam in the peeling process; the cutting mechanism is arranged at the rear end of the rack corresponding to the discharge port and is used for segmenting the peeled Chinese yam according to a set length; and the power transmission mechanism is arranged on the rack and is respectively connected with the clamping and conveying mechanism and the cutting mechanism. The invention further provides a profiling, peeling and cutting-off integrated processing method for the Chinese yams.

The invention relates to the technical field of channel steel welding, and discloses hot-rolled channel steel butt welding equipment and a welding process thereof.The hot-rolled channel steel butt welding equipment comprises an operation table, and an adjusting roller and a rotating disc are rotationally installed on a welding station of the operation table. Through precise cooperation of the combined grooves of the adjusting rollers, the spot welding gun stably moves downwards to a welding station along a precise track, the problems of welding spot deviation, welding skips and the like caused by positioning deviation are effectively avoided, meanwhile, based on the innovative design of gear meshing transmission and the vortex-shaped linear guide rail, after one-time spot welding is completed, the welding efficiency is greatly improved, and the welding quality is improved. The spot welding gun can be accurately driven to be switched to the next station in order, seamless connection of the spot welding process is ensured, and the welding period is greatly shortened; besides, due to the special self-adaptive encryption spot welding function of the equipment, the spot welding distance can be automatically adjusted in a high-stress area in the center of a welding seam according to the stress distribution characteristic of channel steel, the welding spot density is increased, the mechanical property of a welding structure is optimized in a targeted mode, the anti-fatigue capacity and the bearing strength of a welding joint are effectively improved, and the high-strength application requirement of engineering is fully met.

The invention discloses a roller ore washer, and relates to the technical field of ore washers, the roller ore washer comprises a mounting shell and an inner roller rotatably mounted on the mounting shell, the inner roller is provided with a plurality of material pushing sheet groups, each material pushing sheet group comprises a plurality of inner material pushing sheets which are fixedly mounted on the inner roller and extend along a spiral line, and the inner material pushing sheets and the inner wall of the inner roller are combined to form a hopper. When more soil is attached to the surface of ore, the ore is attached to the inner material pushing pieces under the action of the soil on the surface of the ore, the inner material pushing pieces with the arc-shaped cross sections and the inner wall of the inner roller are combined to form a hopper for lifting the ore, the ore is driven to move to the high position, and the ore is thrown when the ore reaches the highest point; ores move along the cambered surfaces of the inner pushing pieces and fall, at the moment, the inner pushing pieces on the opposite side just move to the falling path of the ores, the ores at the bottom of the inner side of the inner roller are blocked by the inner pushing pieces, the ores collide with the back faces of the inner pushing pieces, no buffering exists in the collision process, and therefore the ores can be separated from soil on the surfaces of the ores.

The invention discloses a spiral self-sensing soft robot, and belongs to the technical field of soft robot sensing, the spiral self-sensing soft robot comprises a main body made of an elastomer material, the main body is provided with a tubular cavity and a tube wall, and an outer spiral line is formed on the tube wall; the metal spring is embedded in the outer spiral line, and the spiral parameter is matched with the spiral parameter of the outer spiral line; when the main body generates axial telescopic deformation under the action of pressure change of the inner cavity, the metal spring deforms synchronously along with the main body, and the inductance value of the metal spring corresponds to the axial length of the main body and serves as a feedback signal of closed-loop control. The sensor provided by the invention provides a sensing hardware basis for closed-loop control, has the characteristics of high repeatability, low hysteresis quality and large elongation under the condition of external load, and provides potential for sensor integration of a sectional continuum robot.