458results about How to "Avoid slack" patented technology

The invention relates to the technical field of mechanical workpiece positioning, and discloses a positioning device for grinding machining of a guide post, which comprises a sliding seat, an anti-cutting part arranged at the top of the sliding seat and used for self-adapting to the grinding position change of a grinding wheel to prevent structural wear, and a clamping part mounted on the anti-cutting part and used for clamping the guide post. The clamping part can adapt to the stress degrees of the guide columns under different parameters for effective clamping, an anti-skid piece on a rotating shaft is matched with a second pressure sensor, the clamping effect is determined according to the stress parameters of the guide columns of different sizes and materials, damage to the guide columns due to loose clamping or too tight clamping is avoided, and the service life of the guide columns is prolonged. The anti-disengaging part conducts limiting compensation on the clamped guide column and prevents the guide column from disengaging, the metal disc and the magnetic disc are attracted, the bent piece on the supporting arm makes contact with the end of the guide column, the distance between the bent piece and the guide column can be adjusted by rotating the threaded rod so that the guide column can be matched with different calibers, and the guide column is limited in the grinding process; and the guide pillar is prevented from shaking, loosening or falling off due to grinding wheel pressure and high-speed rotating centrifugal force.

The utility model discloses an electric wire winding device, and belongs to the field of electric wire winding devices, the electric wire winding device comprises a base, a supplement block is fixedly mounted on one side of the base, a mounting frame is fixedly mounted at the bottom end of the base, and a supporting plate is fixedly mounted at the top of the side, away from the supplement block, of the base; a winding rod is rotatably mounted on the inner side of the supporting plate, a second baffle ring fixedly sleeves the side wall of the winding rod, a winding pipe slidably sleeves the side wall of the winding rod, limiting plates are fixedly mounted at the two ends of the winding pipe, and a second gear motor is fixedly mounted on the side, away from the winding rod, of the supporting plate; and one end of the winding rod penetrates through the supporting plate and is fixedly connected with the end of an output shaft of the second gear motor, and a moving plate is slidably mounted at the top ends of the base and the supplementing block. Through the arrangement of the guide assembly, the electric wire winding device plays a role in guiding the electric wire, the electric wire can be conveniently and uniformly wound on the winding pipe, the winding effect of the electric wire can be improved, and the winding efficiency of equipment can be improved.

The invention relates to the technical field of belt conveyors, in particular to a belt conveyor applying a combined roller structure, which comprises a mounting frame and a conveying belt, the conveying belt is mounted at the upper end of the mounting frame, and two groups of roller mechanisms are movably mounted in the conveying belt. A driving mechanism is mounted on one side of one group of roller mechanisms; the belt conveyor has the beneficial effects that the belt conveyor adopts a combined roller structure, flexible installation and adjustment of all parts in the roller are achieved, the adaptability and maintenance convenience of the conveyor are improved, compensation of a notch of the containing groove is achieved in cooperation with the arrangement of the tensioning compensation block, tensioning adjustment of an external conveying belt is met, and the service life of the belt conveyor is prolonged. When the adjusting part extends out, the friction force between the hollow roller body and the conveying belt can be increased, so that the belt is tensioned, the belt is prevented from loosening and shifting in the conveying process, and the use requirement of the belt conveyor is met.

The invention belongs to the technical field of wire harness conduction detection, and particularly relates to a wire harness conduction detection device comprising a detection platform; the multiple groups of detection mechanisms are distributed above the detection platform in a linear array mode, each group of detection mechanism comprises two mounting frames symmetrically arranged above the detection platform, and the two mounting frames are internally provided with test terminals communicated with the two ends of a wire respectively; and the multiple sets of self-adaptive clamping mechanisms are arranged, are used in cooperation with the mounting frames correspondingly and are used for conducting self-adaptive clamping and fixing on the wires according to the diameters of the wires. By arranging the self-adaptive clamping mechanism, the wire can be clamped and fixed in a self-adaptive manner according to the diameter of the wire, the fixing effect on the wires with different diameters in the wire harness is improved, the stability of wire connection is improved, and the influence on conduction detection of the wire is avoided.

The invention relates to the technical field of monitoring equipment, and particularly discloses anti-interference monitoring equipment for electric power information communication, which comprises a fixed plate, protective shells are rotatably mounted at two ends of the side surface of the fixed plate, and the opposite surfaces of the two protective shells abut against each other. Mounting holes are formed in the corners of the sides, away from the opposite faces, of the ends, close to the fixing plate, of the two protective shells, connecting holes are formed in the inner walls of the mounting holes in the length direction, the mounting holes communicate with the interiors of the protective shells through the connecting holes, and mounting shafts are rotationally mounted on the inner walls of the ends, away from the fixing plate, of the mounting holes; shielding cloth is wound on the outer wall of the mounting shaft, one end of the shielding cloth penetrates through the connecting hole and is provided with a connecting plate, the connecting plate abuts against the inner wall of the protective shell, and a limiting groove is formed in the side face of the connecting plate in the length direction. The limiting plate drives the plurality of shielding cloths to perform protection and magnetic field shielding on the circuit board.

The invention relates to the technical field of cable production, in particular to an insulation protection layer wrapping machine for cable production, which comprises a support arranged on one side of the bottom of a wrapping machine body, a cleaning mechanism used for cleaning dust in gaps of multiple strands of wire cores is arranged on the support, and the cleaning mechanism comprises a first supporting plate and a second supporting plate which are fixed at the two ends of the top of the support. The second supporting plate is located at the end, close to the wrapping machine body, of the support, the annular frame is arranged between the first supporting plate and the second supporting plate, three cleaning brush sets distributed in a circumferential array mode are arranged on the inner side of the annular frame, and each cleaning brush set comprises two cleaning roller brushes arranged at intervals. According to the invention, the dust in the gaps of the multiple strands of wire cores can be thoroughly cleaned, the situation that the dust in the gaps of the multiple strands of wire cores is wrapped to cause salient points on the insulation protection layer is avoided, the insulation performance and the protection effect of the wrapped cable are not influenced, the wrapping quality of the cable is improved, and the service life of the cable is prolonged.

The invention provides a flange plate drilling device, and relates to the technical field of drilling equipment, the flange plate drilling device comprises a retaining ring, a drill bit and a driving device, and the driving device is installed in the retaining ring in a concentric fixing mode; the bottom end of a central power output shaft of the driving device is fixedly sleeved with a large-diameter gear ring; six horizontally-supported six-edge positioning shafts are welded to the outer circle of the circumference of the retaining ring in a surrounding mode, and drill bit installation assemblies are installed on the six-edge positioning shafts in a sliding mode; a vertically-supported rotating shaft is rotationally mounted on the drill bit mounting assembly, a drill bit is fixedly connected with the rotating shaft, and the bottom end part of the rotating shaft is fixedly sleeved with a chain wheel assembly. A synchronous driving assembly is rotationally installed on the retaining ring, and six cylindrical sliding blocks are arranged on the synchronous driving assembly in a surrounding mode. Compared with the prior art, the trouble that when the positions of the six drill bits are adjusted each time, the six drill bits and the driving device need to be additionally subjected to adaptive transmission again can be omitted, and operation and use are easy and convenient.

The invention discloses circuit board automatic surface mounting equipment and a surface mounting process thereof, and relates to the technical field of circuit board processing equipment. Comprising a supporting frame, a conveying assembly is arranged on the side face of the supporting frame, a patch welding assembly is arranged above the conveying assembly, a connecting groove is formed in the side face of the supporting frame, a sleeve is fixedly connected to the lower end of the supporting frame, the supporting frame is slidably connected with a bottom support through the sleeve, and a sliding assembly or an anti-skid pad is embedded in the bottom of the bottom support; the supporting frame, the bottom support, the conveying assembly and the patch welding assembly are combined and connected, so that the detachable automatic patch equipment is formed, the patch equipment is flexibly formed through disassembly, assembly and replacement of several main structures, the equipment is convenient to disassemble, carry and store, all parts of the equipment are convenient to replace, and the cost is reduced. The assembled equipment can meet the requirements of various different circuit boards and circuit board elements, and the use flexibility of the circuit board surface mounting equipment is improved.

The invention relates to the technical field of metal processing, in particular to a phosphor bronze wire rolling mill device which comprises a bottom plate, machine bodies are arranged on the bottom plate, an upper roller and a lower roller which are vertically arranged in parallel are arranged between the machine bodies, and the upper roller is slidably arranged between the machine bodies through sliding plates on the two sides; the outer walls of the two studs are both sleeved with rotating wheels, and a belt is arranged between the two rotating wheels. The stand column is provided with a set of transmission adjusting assemblies arranged in a triangular mode. The air cooling mechanism is arranged on the bottom plate and corresponds to the discharging direction of the machine body; two traction rollers are arranged between the two supporting frames; and a speed change mechanism is arranged on the vertical plate. The rotating wheel rotates to drive the stud to move up and down, the position of the upper roller can be adjusted, the rolling machine can be suitable for producing wires of different diameters, the adaptability and flexibility of a production line are improved, the upper roller and the lower roller are each provided with a groove, and the precision of wire rolling and the product quality are ensured.

The utility model relates to the technical field of spinning equipment, in particular to a drawing frame guide frame for spinning, which comprises a guide frame body and a roller shaft arranged on the guide frame body, a guide roller is mounted on the roller shaft, and the drawing frame guide frame further comprises a driving component for driving the roller shaft and the guide roller to rotate; the mounting frame is arranged in the guide frame body; the supporting rod is mounted on the guide frame body; during use, the size of a gap between the pressing roller and the guide roller is adjusted through the bolt arranged at the side end of the sliding seat according to the size of the yarn diameter of a spinning fiber rod, so that the tension of the spinning fiber rod in the conveying process is controlled, the roller shaft and the guide roller are driven to rotate in cooperation with the driving assembly, and stable conveying of the spinning fiber rod is achieved. The spinning fiber strips are prevented from loosening and slipping in the conveying process, and the yarn forming quality is guaranteed.

The utility model discloses a high-temperature-resistant quartz fiber fabric preparation device, which belongs to the technical field of quartz fiber fabrics and comprises a base, two T-shaped moving grooves are arranged at the top of the base, a same U-shaped frame is slidably connected in the two T-shaped moving grooves, a third motor is fixedly mounted on one side of the U-shaped frame, and a second motor is fixedly mounted on the other side of the U-shaped frame. The output end of the third motor is fixedly connected with a two-way screw, the outer side of the two-way screw is in threaded connection with two moving blocks, and the outer sides of the two moving blocks are each hinged to two driving rods. The tension degree of quartz fibers can be adjusted through mutual cooperation of the third motor, the bidirectional screw rod, the moving block, the driving rod, the driving block, the U-shaped support and the second transmission roller, and therefore the situation that the quartz fibers are loosened in the winding process can be effectively avoided; and meanwhile, the quartz fibers can be wound through mutual cooperation of a motor II, a rotating shaft and a collecting disc, so that the quartz fibers are more convenient in the transmission process.

The invention relates to the field of chemical fiber filament coiling, in particular to an adjustable chemical fiber filament coiling device which comprises a mounting bottom plate, a coiling adjusting unit is arranged at the upper end of the mounting bottom plate, and a winding unit used for controlling filaments to reciprocate left and right is arranged on the front side of the coiling adjusting unit; the coiling adjusting unit comprises a fixing cylinder, arc-shaped plates which are evenly distributed in the circumferential direction are arranged outside the fixing cylinder, and an adjusting assembly used for controlling the arc-shaped plates which are distributed in the circumferential direction to synchronously move inwards and outwards in the radial direction of the fixing cylinder is arranged in the fixing cylinder. According to the filament winding device, continuous, powerful and elastic pressing can be conducted on filaments in the winding process, the filaments are tightly and orderly wound on the arc-shaped plates arranged in the circumferential direction, the filaments are prevented from moving or loosening in the winding process, winding stability can be kept easily, and the quality and strength of products are improved.

The utility model relates to the technical field of eggplant planting, and discloses an eggplant planting side branch remover which comprises a sleeve rod, a lengthened extension rod is arranged on the inner wall of the sleeve rod in a sliding mode, a pruning mechanism is fixedly arranged at the top end of the lengthened extension rod, and the telescopic length of the lengthened extension rod on the inner wall of the sleeve rod can be adjusted. And the surface of the sleeve rod is fixedly connected with a grip. Through the arrangement of the sleeve rod and the lengthened extension rod, the height of the pruning mechanism can be adjusted through the lengthened extension rod, so that a worker can conveniently prune side branches at different heights on an eggplant tree, a climbing tool is not needed, meanwhile, the worker can grasp the sleeve rod with one hand and grasp the grip with the other hand in the using process, and the work efficiency is improved. The operating rod is pulled downwards by fingers, and then the operating rod is used for pulling the pull rope to drive the movable blade to move downwards, so that the side branches are sheared by the movable blade and the cutting plate, the aim of saving labor is fulfilled, the operation is convenient, and the working efficiency is improved.

The invention discloses an insulator wire positioning device, and relates to the field of power devices. The prior art cannot effectively cope with wire shaking, unstable positioning and non-uniform insulator stress, so that wire installation is difficult, abrasion is aggravated, and potential safety hazards are increased. The cable winding device comprises an insulator, a cable installed at the top end of the insulator, a clamp clamped on the side wall of the insulator, a pressing seat assembly, a winding module and a guiding module. According to the technical scheme, wire shaking, abrasion and stress concentration are remarkably reduced, and the safety and reliability of a power transmission line are comprehensively improved. The pressing seat assembly is stably installed at the top end of the insulator by pressing the cable, and the influence of external factors on the cable is prevented. The winding module is matched with the pressing base assembly to form a ratchet wheel structure rotating in one direction, the cable is wound on the side wall of the clamp, lateral displacement of the cable is limited, and deviation caused by external force such as wind power is reduced. And the guide module controls the shaking of the cable by adjusting pressing holding at different heights, so that the stability of wire installation is improved.

The utility model relates to the technical field of positioning pincers, in particular to a pair of positioning pincers for shaping edge type excision of labia milii, which comprises two connecting rods, the two connecting rods are arranged in a crossed manner and are hinged with each other, and one end of each connecting rod is fixedly connected with an anti-slip sleeve; the auxiliary structures are arranged on the opposite sides of the two anti-skid sleeves, and the auxiliary structures are used for limiting during clamping; by arranging the clamping structure, crescent-shaped resection or wedge-shaped resection can be conducted according to the actual requirements of different patients, the application range of the device is effectively widened, the operation mode matched with the device can be changed by replacing the first clamping piece or the second clamping piece, the replacement mode is simple and convenient, replacement can be rapidly conducted during operation preparation according to the operation requirements, and the operation efficiency is improved. The operation avoids the situation that existing equipment can only be used for a single surgical mode, different surgical instruments need to be prepared for different surgical modes, and the cost is reduced.

The utility model relates to the field of wire twisting machines, in particular to a wire twisting machine for cable processing. Comprising a supporting frame, one end of the upper surface of the supporting frame is fixedly connected with a power device, the side, close to the supporting frame, of the power device is fixedly connected with a fixing device, the other end of the upper surface of the supporting frame is fixedly connected with a bunching device, and the side, close to the fixing device, of the bunching device is provided with an adjusting device. The adjusting device comprises two connecting plates, and the two connecting plates are both connected with the bunching device in a sliding mode. The wire twisting machine for cable processing has the advantages that when the wire bunching device is used for winding the cable wires, the adjusting device can be used for restraining the winding angle of the cable wires, the situation that the cable wires are knotted due to the fact that the winding angle is too large when the cable wires are wound can be avoided through the adjusting device, and the cable wires can be prevented from being knotted due to the fact that the winding angle is too large when the cable wires are wound. Therefore, the thickness of the wound cable conductor is not uniform, and the subsequent processing is influenced.

The invention discloses a conveying device for iron ore mining and a conveying method thereof, and relates to the field of conveying devices.The conveying device comprises a supporting base, a conveyor body is installed on the supporting base, a driving bin is installed at the bottom of the conveyor body, and conveying rollers are arranged on the conveyor body; the positioning guide block is provided with a counterweight adjusting piece connected with the positioning insertion plate, and the top of the positioning insertion plate is provided with a limiting warning piece. By arranging the counterweight adjusting part, when the conveying roller rotates, a movable sliding block slowly reciprocates along a reciprocating lead screw, when a second static contact piece makes contact with a second movable contact piece, an electromagnetic valve is powered on and opened, and at the moment, a positioning pressing roller can press a conveying belt under the gravity effect of a counterweight block; and the conveying belt, the conveying roller and the positioning pressing roller are in an attached state, so that the conveying belt is prevented from being in a loose state, the tensioning degree of the conveying belt is adjusted in a self-adaptive mode, and the labor intensity of workers is relieved.

The invention relates to the technical field of full-automatic wire stranding for composite cable production, and discloses a full-automatic wire stranding device and method for composite cable production, and the device comprises an equipment base, and a rotary fixed plate is fixedly connected right above the equipment base. Through the arrangement of the control mechanism, when the rotating speed of a driven gear is high, a centrifugal sliding block slides outwards along a centrifugal sliding groove under the action of centrifugal force, the centrifugal sliding block drives an extrusion sliding block at one end of a first linkage rod to slide towards the end close to a pay-off rotating shaft along a clamping sliding groove, and the extrusion sliding block drives a telescopic rod to contract; when the pressure spring contracts, the elastic force of the pressure spring is increased, the pressure spring contracts to control the sliding block to slide outwards along the friction block, at the moment, the ball is far away from the surface of the pay-off rotating shaft, and sliding friction is generated between the side, close to the pay-off rotating shaft, of the friction block and the surface of the pay-off rotating shaft; when friction is generated between the friction block and the surface of the pay-off rotating shaft, the pay-off rotating shaft is bound.

The utility model belongs to the technical field of color printing tension control, and particularly relates to a paper tension adjusting device which comprises a supporting plate, a rotating shaft is rotatably installed in the supporting plate in a penetrating mode, an installation cavity is fixed to one end of the rotating shaft, a driving motor is installed on one side in the installation cavity, a rotating disc is installed at the output end of the driving motor, and an arc-shaped groove is formed in the rotating disc. Sliding rods are slidably mounted in the arc-shaped grooves, three sliding grooves are formed in the top side of the mounting cavity at equal intervals, sliding blocks are slidably mounted in the sliding grooves, and adjusting rollers are mounted on the other sides of the sliding blocks. When the driving motor works, the output end of the driving motor drives the rotating disc to rotate, the sliding rod slides in the arc-shaped groove, so that the sliding block is driven to slide in the sliding groove, the position of the adjusting roller can be correspondingly changed along with movement of the sliding block, tension borne by paper when the paper passes through the adjusting roller can be adjusted, and it is ensured that the paper keeps proper tension in the conveying process; and loosening or tightening is avoided.

The utility model relates to a plate type heat exchanger unit which comprises a placing seat, a left pressing plate, a right pressing plate and a plurality of plate sheets, a high-temperature water inlet pipe and a high-temperature water outlet pipe are arranged on the left pressing plate, and a low-temperature water inlet pipe and a low-temperature water outlet pipe are arranged on the right pressing plate; the left pressing plate and the right pressing plate are arranged on the placing seat; an annular groove is formed in one side of the plate piece, an annular boss is arranged on the other side of the plate piece, and the shape of the annular boss is matched with that of the annular groove. During fitting, the annular bosses are inserted into the annular grooves in the adjacent plate sheets; the locking mechanism comprises a screw rod, a screw head, a pressure spring, a fastening nut and a backing ring; the screw head is fixed at one end of the screw rod; the screw rod penetrates through the through hole; the compression spring, the backing ring and the fastening nut are arranged at the other end of the screw in a sleeving mode, one end of the compression spring abuts against the side face of the left pressing plate or the side face of the right pressing plate, and the other end of the compression spring abuts against the backing ring; the problems of loose connection and leakage between the plates caused by alternate cooling and heating and thermal expansion and cold contraction of the plates are solved.

The invention relates to the technical field of cable processing, in particular to a double-station cable straightening and winding production line system and a process method of the system.The double-station cable straightening and winding production line system comprises a cable production line system body, the cable production line system body comprises a storage rack, a rust removal device is arranged behind the storage rack, and the rust removal device is provided with a heating device in a matched mode; the heating device is connected with an extruder, a traction storage device is arranged behind the extruder, a guide frame is arranged between the traction storage device and the extruder, and a winding device is arranged behind the traction storage device; according to the system, by integrating a plurality of functional modules such as the storage rack, the rust removal device, the heating device, the extruder, the traction storage device and the winding device, full automation and intelligence of cable processing are achieved. According to the system, the production efficiency is improved, the labor intensity is reduced, and the consistency and the stability of the product quality are ensured.

This utility model relates to a simple adhesive application device suitable for dispensing machines, comprising a housing with a cleaning port at the top and a partition installed inside the housing. Below the cleaning port, the partition has a contact adjustment block with several adjustment holes, connected to the partition via adjustment screws. The partition divides the housing into a storage space and a control space. On one side of the storage space, a feeding mechanism and a winding mechanism are installed, each connected to an adhesive strip. On the other side of the control space, a feeding drive and a winding drive are installed. Thus, the device, through its adjustable contact adjustment block, can accommodate the end-face cleaning of flat nozzle dispensing heads and the wrap-around cleaning of immersion needle dispensing heads, meeting the cleaning needs of different types of dispensing heads.

The utility model discloses a high-speed stranding machine, which comprises a base, the base is provided with a holding and cutting mechanism, the holding and cutting mechanism comprises a sliding plate, a shaping plate, a through hole, a clamping plate and a sliding cavity, the sliding plate is connected to the upper surface of the base in a sliding manner, the shaping plate is fixedly connected to one side of the sliding plate, and the through hole is communicated with the through hole. The through hole is formed in the sliding plate, the clamping plate is slidably connected into the sliding plate, a sliding cavity is formed in the sliding plate, a grip is fixedly connected to the upper surface of the clamping plate, sliding columns are fixedly connected to the two sides of the clamping plate, and limiting grooves are formed in the two sides of the sliding plate; the tail end of the cable is clamped by pressing the clamping plate along the sliding cavity in the sliding plate, the sliding block on the lower surface of the sliding plate slides along the sliding rail on the base, and the spring is arranged in the sliding rail to abut against the sliding plate, so that the cable at the tail end is kept in a tight state, and the cable can be conveniently stranded through the stranding cylinder.

The utility model relates to the technical field of flat-top chain turning, in particular to a flat-top chain turning device which comprises a single-arc turning track. The driving seat is arranged on the single-arc turning track; the motor assembly is arranged on the driving seat; the driven seat is arranged on the single-arc turning track, and the single-arc turning track comprises an inner side aluminum profile, an outer side aluminum profile and an outer side aluminum profile; an outer side aluminum profile; and the transverse connecting aluminum profile is connected with the inner side aluminum profile and the outer side aluminum profile. Through the assembly composed of the single-arc turning track, the driving base, the motor assembly and the driven base, a conveying mechanism which is small in vibration and impact, good in conveying stability and high in precision is provided for curve conveying of workpieces, heavy workpieces can be turned by 180 degrees and conveyed to another parallel conveying line from one conveying line, and the conveying efficiency is improved. The flat-top chain can be prevented from being excessively loosened and falling off, vibration and impact caused by chain transmission or sudden stop can be reduced through a tension spring on the tensioning device, and the conveying stability and precision are improved.

The utility model provides an adjusting mechanism for a discharging roller, which belongs to the technical field of coiled material speed regulation feeding and comprises a support, a feeding roller, a feeding roller, a discharging roller, a feeding roller and a discharging roller, and is characterized in that the support is positioned between a discharging port of upstream equipment and a feeding port of downstream equipment; the floating rods vertically slide on the support, the coiled material needs to bypass the floating rods on the support when moving from the upstream equipment to the downstream equipment, the floating rods can abut against the coiled material in the support to generate displacement when moving vertically, and the coiled material can be of a V-shaped structure under stirring of the floating rods. The lengths of two sides of the V-shaped structure are gradually increased, so that the aim of storing paper is fulfilled; when the rotating speed difference exists between the upstream equipment and the downstream equipment, the storage volume change of the coiled materials in the support can be achieved by adjusting the position of the floating rod, so that the coiled materials can still be directly guided into the downstream equipment when the rotating speeds of the upstream equipment and the downstream equipment are different, and the processing efficiency of the coiled materials is indirectly improved.

The invention relates to superconducting tape detection, in particular to a superconducting tape detection device, and aims to solve the problem of detecting defects of superconducting tapes. To this end, the superconducting tape detection device of the present invention comprises: a detection assembly for detecting a superconducting tape; and the conveying assembly is used for conveying the superconducting tape, so that the superconducting tape passes through the detection assembly. The detection assembly comprises a magnetization piece and a magnetic memory signal detection piece. The magnetizing piece can apply a specific magnetic field to the superconducting strip, so that the superconducting strip generates a magnetizing effect when passing through the magnetizing piece. And the magnetic memory signal detection piece is used for detecting a magnetic memory signal generated on the magnetized superconducting tape. The conveying assembly can drive the superconducting strip to sequentially pass through the magnetization piece and the magnetic memory signal detection piece. By analyzing the magnetic memory signal, stress concentration and potential defects in the strip can be quickly identified. By means of the configuration, the sensing capacity and detection sensitivity of the microstructure of the strip are improved, and the system can represent the quality of the strip more comprehensively.

A safety protection system of a follow-up type wave compensation device comprises a hoisting winch, a compensation winch, a compensation structure, a steering structure and a control system. The compensation structure comprises a compensation rail, a compensation trolley moving along the compensation rail, a transfer wheel set arranged between the compensation rail and the steering structure, and a compensation oil cylinder arranged between the transfer wheel set and the compensation rail. The compensation oil cylinder drives the compensation trolley to move along the compensation track to adjust tensioning of the hoisting rope and the compensation rope, the control system controls operation of the compensation winch and the compensation oil cylinder, and stable operation of the hoisting winch is achieved. The problem that the rope of the follow-up wave compensation device is loosened or overloaded under the complex sea condition is solved.

The utility model discloses a tension control device of a film cutting and rolling machine, which belongs to the technical field of film production and processing and comprises a mounting rack, guide rollers are symmetrically and rotatably connected onto the mounting rack, movable notches are symmetrically arranged in the middle of the mounting rack, slide rails are arranged on two sides of each movable notch, and slide blocks are slidably connected onto the slide rails; a tensioning roller is rotationally connected between the two sliding blocks, and adjusting mechanisms are arranged on the sliding blocks. A dust scraping frame is arranged on one side of the upper portion of the mounting rack, a plurality of electric push rods are arranged below the dust scraping frame, mounting frame bodies are arranged at the telescopic ends of the electric push rods, driving mechanisms are arranged on the mounting frame bodies, and the output ends of the driving mechanisms are fixedly connected with dust scraping assemblies. And moreover, part of dust on the surface of the thin film can be scraped off.

The utility model relates to the technical field of winch lifting devices, and discloses a safety type double-output winch lifting device which comprises a bottom plate, a plurality of fixing plates are fixedly connected to the side face of the bottom plate, first shells are fixedly connected to the side faces of the two fixing plates, and driving assemblies are arranged on the inner sides of the two first shells. Second shells are fixedly connected to the side faces of the other two fixing plates, clamping assemblies are arranged on the inner sides of the second shells, a plurality of supporting plates are fixedly connected to the side face of the bottom plate, and reciprocating limiting assemblies are arranged on the side faces of the two supporting plates. According to the rope limiting device, the sliding groove lead screw is matched with the limiting rod, the limiting block can move in the direction of the limiting rod, the clamping block moves on the surface of the sliding groove lead screw along with the limiting block, meanwhile, height adjustment of the limiting ring is achieved through the hole shell and the hole plate through the fixing bolt, and therefore the rope is accurately limited. The position of the clamping block on the sliding groove lead screw can be accurately controlled through a groove in the surface of the sliding groove lead screw.