62results about How to "Flexible adjustment of installation position" patented technology

The invention provides a visual detection method and system for GTAW additive manufacturing stack height for image processing. The axis of a CCD camera is vertical to a plane formed by the axis of a GTAW welding gun and a threaded tube. The method comprises the following steps of: starting continuous image collection to calibrate a sensing system so as to determine the position of a tip of a tungsten electrode; determining the initial distance from the tip of the tungsten electrode to the surface of a substrate, and starting a GTAW electric arc and filler rod system; extracting surface characteristics of the tail of a weld pool of a deposition layer by means of a picture processing algorithm; calculating the mean square error of row-coordinates on the surface of the weld pool of the deposition layer of a corresponding row of adjacent continuous images, and determining the junction point of liquid and solid metals at the tail of the weld pool of the deposition layer by means of a threshold value method; and when the nth layer is stacked, calculating the total height of the deposition layer at the current moment according to the initial distance from the tip of the tungsten electrode to the surface of the substrate, the tip position of the tungsten electrode and the junction point of liquid and solid metals of the deposition layer. The method provided by the invention solves the problem that the GTAW additive manufacturing stack height is hard to detect in real time effectively, and has the advantages of being simple in detection process and intuitive and rich in amount of information.

The invention relates to a quality visual detection system for plastic bottles. The quality visual detection system comprises a detection box and a server; a conveying guide rail, a separating mechanism and a detection mechanism are arranged in the detection box; the separating mechanism comprises two transmission parts, and the two transmission parts are used for separating the to-be-detected plastic bottles one by one to orderly enter a detection station; the detection mechanism comprises three cameras and a light source, and the three cameras are arranged on the two sides of the conveying guide rail in the shape of a regular triangle. The quality visual detection system provided by the invention has the benefits that as the separating mechanism is arranged, the next to-be-detected plastic bottle can be driven to move forwards; meanwhile, the distance between the next to-be-detected plastic bottle and the detected plastic bottle can be controlled, so that the influence on the accuracy of detection results is avoided, and the problem of slower detection speed is solved; the quality visual detection system provided by the invention can also realize the all-round image collection of the detected plastic bottles, so that the detection results are more reliable.

The invention relates to a windproof and rainproof digital television signal communication antenna, comprising a substrate, wherein four universal wheels are symmetrically mounted below the substrate, two negative pressure locking mechanisms are symmetrically mounted on the lower end face of the substrate, four struts are symmetrically arranged on the outer side of the upper end face of the substrate, an annular slide rail is mounted at the upper ends of the four struts, the four struts achieve the effect of uniformly supporting the annular slide rail, a rotating steel ring is mounted on the annular slide rail in a sliding fit manner, an inner gear ring is arranged on the inner wall of the rotating steel ring, the inner gear ring is connected with four drive mechanisms respectively, and the four drive mechanisms are symmetrically mounted on the upper end face of the substrate. The digital television antenna can realize an automatic windproof and rainproof function and a function of automatically adjusting the signal receiving tilt angle, and has the advantages of automatic orientation adjustment, negative pressure movable disassembly and assembly, automatic folding, wind and rain proofing, automatic adjustment on the signal receiving tilt angle, high receiving tilt angle precision, good signal receiving effect, high working efficiency and the like.

The invention relates to a heavy oil electronic control oil injector for a low-speed diesel engine so as to achieve the effects of preventing the interior of the heavy oil electronic control oil injector from solidifying and preventing devices in the oil injector from being corroded. The electronic control oil injector comprises an oil injector upper body, an oil injector body, an oil input hole plate, a needle valve body and a spraying nozzle which are sequentially arranged from top to bottom. A control volume cavity and a high-pressure fuel oil cavity are formed in the end faces, facing theoil input hole plate, of the needle valve body correspondingly. The oil injector upper body, the oil injector body and the oil input hole plate are sequentially arranged to form an oil input channel,an oil return channel and a circulating oil channel. An outlet of the oil input channel communicates with the control volume cavity and the high-pressure fuel oil cavity through oil ways. The circulating oil channel communicates with the high-pressure fuel oil cavity. A circulating valve for obstructing or breaking over fuel oil in the high-pressure fuel oil cavity to be leaked outside is arrangedin the circulating oil channel. An electromagnetic valve assembly and an oil output control valve assembly are installed in the oil injector body. An oil injector lower body assembly is arranged in the high-pressure fuel oil cavity of the needle valve body.

The invention discloses a double-station rotary screen printing machine. The double-station rotary screen printing machine comprises a rack, a conduction band transmission mechanism and double-station printing units, wherein each double-station printing unit comprises a sizing agent supply mechanism, a rotary screen scraping printing mechanism and two printing rotary screens, and the two printing rotary screens in each double-station printing unit are mounted on the rack through a rotary screen mounting frame; each rotary screen mounting frame comprises two rotary screen fixed seats and rotary screen movable seats; each sizing agent supply mechanism comprises two sizing agent supply pipes which transversely penetrate through two printing rotary screens; and each rotary screen scraping printing mechanism comprises two scraper plates, two printing magnetic bars and a plurality of electromagnets. According to the double-station rotary screen printing machine, printing processing of two textile fabrics can be completed at the same time, input of manpower and material resources is effectively reduced, consumption of energy such as water, electricity and gas can be greatly reduced, and the energy-saving and emission-reducing effects are obvious; and meanwhile, according to the printing machine, proper printing rotary screens can be freely selected according to the widths of the textile fabrics, and meanwhile, the mounting positions of the printing rotary screens can be flexibly adjusted according to the patterns of the textile fabrics, so that the application range is wide.

The invention provides an adjustable 10 KV power distribution line pole top maintenance support rod comprising a main frame, a sliding chute, fixed ring hoops, a lower stopping block, an upper stopping block, a lifting screw rod, a lifting base, a screw rod lifter, a rocking rod, a mounting seat, an insulating support head and an illuminating device, wherein the chute is arranged on a side face of the main frame; the fixed hoops are slidably installed in the chute. In the adjustable 10 KV power distribution line pole top maintenance support rod, a first ring hoop, a second ring hoop and the sliding groove are arranged in a matched manner; incessant upward lifting can be facilitated via alternately sliding and fastening, simple and labor-saving operation can be realized, the ring loops are fixed on an upper end and a lower end at the same time, and therefore stability can be improved; arrangement of a screw thread connection head can facilitate overall replacement of the insulating support head; a plurality of fixing holes are arranged transversely on a front surface of an insulating transverse plate, and flexible adjustment of an installation position of an insulating vertical plate can be facilitated. The arrangement of the illuminating device is favorable for providing auxiliary lighting at night, and easy adjustment of a lighting angle can be achieved via a connecting rod of a flexible metal tube.

The invention discloses a vibration noise test device for an automotive power assembly suspension system. The test device comprises a main cross beam (4), standing columns (5), pedestals (6), an engine suspension fixation beam (1), a gearbox suspension fixation beam (2), and a low tie bar beam (3). Each standing column (5) is connected with one pedestal (6) at the same side. The engine suspensionfixation beam (1) and the gearbox suspension fixation beam (2) are connected to the inner sides of the two standing columns (3) respectively and are provided with an engine suspension connection member (9) and a gearbox suspension connection member (10) respectively. A lower tie bar connecting member (15) is arranged at the low tie bar beam (3). The test device can match suspension parts of different types of automobiles; the main influence paths of the in-vehicle noises can be determined rapidly; the load of the suspension system by the power assembly is measured; and thus targeted optimization can be realized.

The invention discloses a twisting frame conveying, lifting and rotating device for a knitting twisting machine, and belongs to the technical field of spinning twisting. The problems that in the priorart, a twisting frame cannot be subjected to conveying, lifting and rotating, and the placement position of the twisting frame cannot be adjusted are solved. The twisting frame conveying, lifting androtating device comprises a twisting frame conveying device, a twisting frame lifting device and a twisting frame rotating device. The twisting frame conveying device conveys a twisting frame to thespecific position at first, then, the twisting frame lifting device lifts the twisting frame upwards, and finally, the twisting frame rotating device enables the twisting frame to rotate. According tothe twisting frame conveying, lifting and rotating device, a series of position adjusting of the twisting frame can be conducted, and accordingly, the follow-up knitting twisting requirements are met.

The present invention discloses a rigid-flexible mixing optical fiber clamp with a two-dimensional attitude adjustment function. The rigid-flexible mixing optical fiber clamp comprises a two-dimensional adjustment structure, a rack is arranged at the inner concave of the lower portion of the clamp, an optical fiber putting groove is designed at the end portion of the front end of the clamp, an optical fiber pigtail block is arranged in the groove and is compacted by an optical fiber pressing plate, and the pressure of the optical fiber pressing plate is adjustable. The rack is connected with the two-dimensional adjustment structure through a flexible hinge to allow the pitching angle of the two-dimensional adjustment structure to be adjustable; the lower portion of the rack is provided with a deflection sliding plate, and the rack and the deflection sliding plate can be relatively rotated to achieve adjustment of the deflection angle of the two-dimensional adjustment structure. The lower portion of the deflection angle is provided with a fixing mechanism to achieve connection between the fixing mechanism and a waveguide chip coupling displacement bench. Long circular holes are arranged on the deflection sliding plate, a fixed substrate and a substrate sliding plate in X, Y and Z directions to achieve position regulation of the two-dimensional adjustment structure on a triaxialdirection. The rigid-flexible mixing optical fiber clamp can flexibly adjust the optical fiber clamping pressure and the installation position of the optical fiber clamp, and a serial three-dimensional translation platform with a two-dimensional attitude adjustment function and a one-dimensional rotation table can achieve six-dimensional pose adjustment of the optical fiber.

A card edge connector combination comprises a circuit board, a card edge connector installed on the circuit board and a card locking mechanism which is fixed on the circuit board and used for locking an electronic card, the circuit board is provided with a key-shaped opening, the card locking mechanism comprises a base and a locking piece which is clamped on the base and can slide back and forth, the base comprises a tower part formed by extending upwards and a mounting part formed by extending downwards, a sliding groove is formed in the tower part in a concave mode, and the locking piece comprises a clamping and abutting part and a pair of elastic arms clamped in the sliding groove; and the mounting part is detachably mounted at the opening. Through the arrangement, the card locking mechanism can be installed on the circuit board and lock the electronic card without assistance of tools, and the position of the card locking mechanism can be flexibly adjusted.

The invention discloses a novel vibration exciter. The novel vibration exciter comprises a gear box and a bracket, wherein a first bevel gear and a second bevel gear which are meshed with each other are rotationally arranged in the gear box through bearings, the two side faces of the first bevel gear and second bevel gear are circumferentially provided with symmetrical grooves of which the numberis even number, the grooves are internally provided with first eccentric blocks and second eccentric blocks, and a rotating shaft of the second bevel gear penetrates through an end cover of the gear box, extends to the outer portion of the end cover and is connected with a driving belt wheel. The novel vibration exciter has the advantages that the first eccentric blocks and the second eccentric blocks are embedded in the first bevel gear and second bevel gear, thereby shortening the length of a transmission shaft, so that the entire size is impact, the volume is greatly reduced, inner space ofthe gear box is effectively utilized, the installation positions and numbers of the first eccentric blocks and second eccentric blocks can be flexibly adjusted, thereby generating vibration excitingforce with different effects, so that different use requirements are met, and various product series can be developed by adopting a same structure and size, thereby saving the cost.

The embodiment of the invention discloses a multi-station weaving and twisting machine and belongs to the technical field of spinning and twisting. Existing automatic weaving and twisting machines areautomatic in working processes after twisting frames are placed to regulated positions. The problem of how to transport the twisting frame and adjust the placing direction of the twisting frame is not solved as well by a mounting seat of the twisting frame. The multi-station weaving and twisting machine comprises a twisting frame transporting station, a twisting frame lifting station, a twistingframe rotating station and a twisting station. The twisting frame can be transported to the weaving and twisting position automatically and automatic weaving and twisting work is carried out automatically.

The invention discloses a steel bar cutting device for constructional engineering. The steel bar cutting device comprises a bottom plate. A supporting column is fixedly installed on the left portion of the upper end of the bottom plate, a conveying device is arranged on the supporting column, a supporting base is fixedly installed at the upper end of the bottom plate, the upper portion of the front end and the upper portion of the rear end of the supporting base are jointly and fixedly connected with a cutting device, a supporting plate is arranged on the left portion of the cutting device, aconnecting transverse plate is fixedly connected to the upper portion of the right end of the supporting plate, a pressing device is arranged on the connecting transverse plate, a rear supporting plate is fixedly installed on the rear side of the right portion of the upper end of the bottom plate, an extrusion device is fixedly installed on the left portion of the upper end of the rear supportingplate, a sliding connecting plate is fixedly installed on the right portion of the upper end of the rear supporting plate, a third spring is fixedly connected between the sliding connecting plate andthe extrusion device, and a pushing device is connected to the middle of the sliding connecting plate in a penetrating mode. According to the steel bar cutting device for constructional engineering, steel bars of different length specifications can be cut out, the cutting efficiency is high, and the automation degree is high.

The invention discloses an assembly type steel structure reinforcing support. The assembly type steel structure reinforcing support comprises a rectangular reinforcing base, adapter supports are clamped at the four corners of a rectangular area of the top of the reinforcing base, reinforcing stand columns are clamped at the tops of the adapter supports, and stand column tensioning assemblies are arranged between the tops of the adapter supports and the bottoms of the reinforcing stand columns; assembling grooves are formed in the side faces of the reinforcing stand columns in the vertical direction, a supporting assembly is clamped between the assembling grooves in every two adjacent reinforcing stand columns in a sliding mode, and locking devices used for locking the positions of the supporting assemblies are arranged on the side walls of the assembling grooves; and a telescopic inclined supporting assembly is arranged between the top of the reinforcing base and the side face of eachsupporting assembly, one end of each telescopic inclined supporting assembly is slidably hinged to the top of the reinforcing base, and the other end of each telescopic inclined supporting assembly isslidably hinged to the side face of the corresponding supporting assembly. The assembly type steel structure reinforcing support has the beneficial effects of being convenient and rapid to mount anddismount, adjustable in supporting position and stable in supporting.

The invention provides a novel guide rail base comprising a body which is a strip-shaped sectional material formed by pressure casting; the body comprises a bottom part and side wall parts located at two sides of the bottom part; a groove for containing a lead screw is formed in the upper surface of the bottom part; a first locating groove and a second locating groove are formed in each of two sides of the groove; a first lightening hole is formed in the center of the section of the bottom part; a sensor wiring hole and a second lightening hole are formed in each of two sides of the first lightening hole; and nut containing grooves capable of placing nuts are formed in side walls of the bottom part. The novel guide rail base provided by the invention is simple in structure, light in weight and capable of saving materials and effectively reducing the production cost; and meanwhile, due to the formation of the sensor wiring holes, cables of sensors conveniently pass through the sensor wiring holes, the cables are protected, abrasion is reduced, the precision of a linear guide rail is improved, and the service life of the linear guide rail is prolonged.

The invention discloses a magnetic mute lock body. The magnetic mute lock body comprises a bottom plate assembly installed in a door plate, a cover plate arranged on the bottom plate assembly in a covering mode, a lining plate assembly arranged on the side face of the bottom plate assembly and the side face of the cover plate, an adjustable buckling box assembly installed on a door frame and corresponding to the lining plate assembly, a spring bolt assembly installed on the bottom plate assembly, an L-shaped push piece connected with the spring bolt assembly and capable of driving the spring bolt assembly to transversely move, a shifting assembly driven by a door handle to rotate and driving the push piece to transversely move, a sliding piece assembly and a locking piece which play a counter locking role, and a lock cylinder playing a driving role on the sliding piece assembly, wherein the push piece, the shifting assembly, the sliding piece assembly and the locking piece are all installed on the bottom plate assembly.

The invention provides a vibration test clamp for a frequency converter. The clamp includes a bottom supporting assembly supported on the bottom surface of a frequency converter, and a side surface positioning assembly limited on one side surface of the frequency converter. The bottom supporting assembly is perpendicular to the side surface positioning assembly. The bottom supporting assembly includes a bottom crossbeam, a bottom vertical beam and a bottom inclined draw beam, wherein the bottom crossbeam and the bottom vertical beam cross each other, and the periphery of the bottom crossbeam and the periphery of the bottom vertical beam are connected through the bottom inclined draw beam. The advantages of the vibration test clamp are that the mass is small, the rigid is high, and test errors are minor.

The invention discloses a modular design method for a kitchen. The modular design method for the kitchen comprises the following steps of producing the following modules including a base plate, a storage cabinet which can be in matched inserted connection with the base plate, a washing table which can be in matched inserted connection with the base plate, an electric appliance rack which can be in matched inserted connection with the base plate and a cooking bench which can be in matched inserted connection with the base plate, arranging the base plate on the ground, and then installing other modules on the top face of the base plate. By means of the modular design method for the kitchen, standardized production and convenient assembly can be achieved, and the installing positions of all modules can be flexibly adjusted.

The invention discloses an insulator wire fixing and lifting device, and belongs to the technical field of electric power. The device comprises a cross arm, an insulator, a vertical lifting rod and asupport, and the insulator is mounted at the upper side of the cross arm; the support comprises a transverse frame and a stand column, the stand column and the cross arm are detachably installed through a connecting piece, and the transverse frame is provided with a lifting device driving the lifting rod to ascend and descend; and the lower end of a supporting telescopic cylinder is rotationally connected with a supporting rod, the end, away from the supporting telescopic cylinder, of the supporting rod is hinged to the lifting rod, and the end, away from the supporting telescopic cylinder, ofthe lifting rod is connected with a wire lifting hook. The whole structure is simple, operation is convenient, operators do not need to directly lift the wire, labor intensity is greatly reduced, labor force is saved, the safety coefficient of aloft work is improved, and safety is good; and the wire erection efficiency is high, and the practicability is high.

The invention discloses a multifunctional combined crawler-type ascending and descending operation vehicle. The multifunctional combined crawler-type ascending and descending operation vehicle comprises a first ascending and descending work table, a second ascending and descending work table, a trolley and a walking mechanism, wherein the first ascending and descending work table and the second ascending and descending work table are respectively connected with the trolley, and can ascend and descend relative to the trolley; and the walking mechanism is connected with the trolley and is used for moving the trolley. By using the multifunctional combined crawler-type ascending and descending operation vehicle, construction personnel can flexibly drill in a working face.

A point-connected curtain wall fixture at least comprises an outer retaining plate, an inner retaining block, and a plurality of spherical hinge structures. The inner retaining plate and the outer retaining block are fixedly and integrally connected in a spaced manner. The spherical hinge structures and the outer retaining plate retain a curtain wall face plate. Each spherical structure comprises a spherical hinge pad and a spherical hinge base, which are connected in a split manner. Each spherical hinge pad comprises a spherical surface part, and each spherical hinge base also comprises a spherical surface right fitted to the spherical surface part of the spherical hinge pad. The spherical hinge bases are mounted on the inner retaining block. The spherical hinge pads are mounted on the spherical hinge bases. The curtain wall face plate is connected in a retained manner by the curtain wall fixture which is in the split modular spherical hinge structure; during mounting, the number of the spherical hinge bases is flexibly set according to the mounting conditions of the curtain wall face plate; thus, the problems in changes to the number of the glass curtain wall face plates at one joint and the problems in different installation conditions of the glass curtain wall face plates are solved.

The invention provides a method and system for visual detection of stacking height in GTAW additive manufacturing with image processing. The axis of the CCD camera is perpendicular to the plane formed by the axis of the GTAW welding torch and the axis of the guide wire tube; continuous image acquisition is started to complete the calibration of the sensor system and determine The position of the tip of the tungsten electrode; measure the initial distance from the tip of the tungsten electrode to the surface of the substrate, start the GTAW arc and wire filling system; image processing algorithm extracts the surface features of the tail of the accumulated layer molten pool; calculate the surface of the accumulated layer molten pool corresponding to the column of adjacent continuous images Row coordinate mean square error, threshold method to determine the junction point of liquid and solid metal at the tail of the molten pool on the surface of the accumulation layer; when accumulating the nth layer, according to the initial distance from the tip of the tungsten electrode to the surface of the substrate, the position of the tip of the tungsten electrode, and the liquid-solid junction point of the accumulation layer The position calculates the total height of the accumulation layer at the current moment. The method of the invention effectively solves the problem that the accumulation height of GTAW additive manufacturing is difficult to detect in real time, and has the advantages of simple detection process and intuitive and rich information.

The invention relates to an outdoor oxygen taking pipe assembly of a gas stove. The outdoor oxygen taking pipe assembly is characterized by comprising a pipe connector and an oxygen taking pipe, one end of the pipe connector is used for being connected with a connecting hole in a gas stove shell, the other end of the pipe connector is connected with the oxygen taking pipe, and the other end of theoxygen taking pipe is used for communicating with the outdoor space; the circumferential wall of the end, away from the oxygen taking pipe, of the pipe connector is provided with a positioning step,and an inserting and connecting part is formed by a part between the end portion of the pipe connector and the positioning step; an annular groove is formed in the outer wall of the inserting and connecting part, and the distance between the annular groove and the positioning step is matched with the wall thickness of the part, around the connecting hole, of the gas stove shell; and an opening ring is embedded in the annular groove, and when the opening ring is not subjected to external force, the outer diameter is larger than the inner diameter of the connecting hole. The outdoor oxygen taking pipe assembly is used for achieving outdoor oxygen taking of the gas stove, sufficient gas combustion is achieved, and indoor oxygen consumption is reduced.

The invention discloses a live-line installation method for a low-voltage detachable lightning arrester. The method comprises the following steps of 1, adjusting the distance between two groups of L-shaped clamping seats according to the length of a lightning arrester body; 2, after the butt joint position of a movable sliding buckle is adjusted, under the condition that an electric box is powered on, fixing a ceramic base into the electric box through bolts; 3, through the butt joint clamping grooves of the L-shaped clamping seats, and utilizing the elastic clamping rods at the two ends of the lightning arrester body toclamp the lightning arrester body between the two groups of L-shaped clamping seats, so that the time required for mounting the detachable lightning arrester is shortened. Meanwhile, the stability of the lightning arrester after mounting can be improved by utilizing the arrangement of the second clamping bolts, and an inclined surface structure at one ends of the butt joint clamping grooves can effectively reduce the resistance of the detachable lightning arrester during quick butt joint, so that the detachable lightning arrester is convenient to mount. The mounting method can be used for quickly dismounting and mounting the low-voltage detachable lightning arrester, and the emergency repair effect of the low-voltage detachable lightning arrester is improved.

The invention discloses a face detection chip for a face recognition device, and particularly relates to the technical field of electronic chips. The face detection chip comprises a semiconductor chip, an adjustable mounting structure is arranged outside the semiconductor chip, a top protection structure is arranged at the top end of the semiconductor chip, and a pin protection structure is arranged at the bottom end of the semiconductor chip. According to the invention, a hard substrate, a silica gel cushion, pin holes and fixing bolts are arranged, during use, the hard substrate is used as a base and is firmly fixed at the bottom end of the semiconductor chip, and the pin holes in the hard substrate play roles in protecting and fixing the root parts of the metal pins so that the metal pins are prevented from being broken under the action of an external force, the silica gel cushion at the bottom of the hard substrate plays a buffering role, the silica gel cushion absorbs pressure under the action of top pressure and can prevent the metal pins from being bent, the fixing bolts can enable the whole structure to be firmly attached and stably installed, and the functions of protecting the pins and preventing the pins from being bent and broken are achieved.

The invention discloses a safety protection device for single-loop electrified pole erecting operation, which comprises a first insulating support rod and a second insulating support rod, and is characterized in that the first insulating support rod is arranged between a side-phase wire and a middle-phase wire in three-phase wires in a staggered manner, and the first insulating support rod is provided with a first locking piece for fixing the side-phase wire and the middle-phase wire respectively; the second insulation supporting rod is arranged between the two side phase wires, and second locking pieces used for fixing the two side phase wires respectively are arranged on the second insulation supporting rod; the first insulation supporting rod and the second insulation supporting rod are integrally arranged in a triangular shape in the direction parallel to the axial direction of the three-phase wire. The two side-phase wires and the middle-phase wire are respectively opened through the first insulating supporting rod, then the two side-phase wires are horizontally opened through the second insulating supporting rod, the distance between the three-phase wires is stable through the first insulating supporting rod and the second insulating supporting rod, and the middle-phase wire does not need to be pulled open through an insulating rope. And the safety of operators is greatly improved.

The embodiment of the invention discloses a multi-station weaving and twisting method and belongs to the technical field of spinning and twisting. Existing automatic weaving and twisting machines areautomated in a working process after twisting frames are placed to regulated positions. The problem how to transport the twisting frame and adjust the placing direction of the twisting frame is not solved as well by a mounting seat of the twisting frame. A twisting frame transporting station, a twisting frame lifting station, a twisting frame rotating station and a twisting station are included. The twisting frame can be transported to the weaving and twisting position automatically and automatic weaving and twisting work is carried out automatically.