548 results about "Wire wheel" patented technology

The present invention belongs to the technical field of cable stranding, and specifically relates to a cable stranding machine, which includes a wire placement rack. A wire installation roller is rotatably installed on the wire placement rack. One end of the wire placement rack is rotatably connected to a wire pipe. A first gear, a protective wire placement disk, a guiding disk, and a stranding disk are sequentially and fixedly sleeved on the wire pipe. A die head is placed directly in front of the wire pipe. The first gear meshes with a second gear, and the end of the second gear is rotatably connected to the wire placement rack. By driving the guiding disk to rotate, the wire wheels in the six installation slots on the guiding disk can sequentially come into contact with the lubricating oil in the oil tank. The protective wire is lubricated by the wire wheels attached with lubricating oil, realizing the lubrication of the protective wire, reducing the friction between the wire wheels, the perforations and the protective wire, thereby greatly reducing the wear of the protective wire and improving the quality of cable manufacturing.

The invention discloses a flexible exoskeleton execution device and a flexible exoskeleton system for upper limb training, and relates to the technical field of robots. The problems that an existing exoskeleton robot is complex in mechanical structure, large in size, heavy in weight and large in inertia due to the fact that rigid driving is adopted for achieving actions such as joint bending and stretching or unfolding and folding are solved. The device comprises a bandage, a forward line wheel, a reverse line wheel, a line wheel driving mechanism and Bowden lines, the bandage is fixed to a limb, one end of one Bowden line is wound around the forward line wheel, the other end of the Bowden line is fixed to the bandage, one end of the other Bowden line is reversely wound around the reverse line wheel, and the other end of the other Bowden line is fixed to the bandage; the line wheel driving mechanism is arranged on the trunk and can drive the forward line wheel and the reverse line wheel to rotate reversely in the pre-tightening stage so as to achieve line winding and pre-tightening, the forward line wheel and the reverse line wheel are driven to rotate synchronously in the same direction in the working stage, and correction force is applied to the force exerting muscle group through the two Bowden lines which are wound and unwound alternately so as to correct the action of a wearer.

The glass lifter wire wheel cover comprises the wire wheel cover body and the connecting structure arranged on the wire wheel cover body, the connecting structure is connected with a lifter guide rail, the wire wheel cover body and the guide rail are designed in a split mode, the wire wheel cover body is formed by engineering plastic in an injection molding mode, and the influence on the performance strength of the guide rail is avoided; on the premise that the performance strength of the glass lifter is guaranteed, the weight of the guide rail and the weight of the wire wheel cover are reduced, the light weight requirement is met, the invention further provides a wire wheel cover oiling device used for conducting oiling operation on the wire wheel cover of the glass lifter, oiling operation can be conveniently conducted on the wire wheel cover of the glass lifter, and the production efficiency is improved. And subsequent assembling of the wire wheel cover body is facilitated, and the production efficiency of the glass lifter is improved.

The utility model discloses an incoming and outgoing line inward surrounding winding device, and belongs to the technical field of wireless charging coil processing. Comprising an upper die assembly and a lower die assembly and is matched with an upper die wire clamp mechanism, an upper die bending mechanism, a coil outgoing lead blocking mechanism, a lower die wire clamp mechanism, a cutter mechanism, a wire passing mechanism, a wire guide wheel mechanism, a tail wire clamping mechanism and the like. The upper die assembly comprises an upper die fixing seat, an upper die pad and an upper die cover, and the lower die assembly comprises a lower die cover, a lower die pad, a lower die fixing seat and a die core. The mechanical structure can be matched with an automatic program, and complex cable winding tasks can be completed; when the cable is applied to automatic equipment, the cable can be fully and tightly wound without layering; and the manufactured wireless charging coil is high in yield, can meet the production requirements of large batch and stable quality, and has remarkable advantages in related production fields.

The invention relates to an electrical variable measurement technology, and discloses an unmanned aerial vehicle for wire inspection and a wire inspection method. The unmanned aerial vehicle can comprise a vehicle body, at least two vehicle arms, at least two rotor wings, a wiring wheel, a driving motor and a detection device. The vehicle arms are symmetrically connected to the two sides of the vehicle body. The rotors are fixed to the ends, away from the fuselage, of the arms. The wiring wheel is rotationally connected with the machine body, and a groove of the wiring wheel is in rolling connection with the wire. And the driving motor is in transmission connection with the wiring wheel. The detection device is fixed on the fuselage and is used for acquiring image data of the wire; the wire inspection method comprises the following steps: controlling the rotor wings to drive the unmanned aerial vehicle to fly above the wire; when the wiring wheel is aligned with the wire, the rotor wings are controlled to drive the unmanned aerial vehicle to land until the wire is located in the groove of the wiring wheel; and the driving motor is controlled to drive the wiring wheel to rotate, so that the wiring wheel rolls along the wire. The unmanned aerial vehicle has maneuverability and accuracy at the same time.

The invention discloses an underground water sampling device capable of preventing cross contamination. The underground water sampling device comprises a cable type lifting machine; the wire wheel seat is driven by a cable type lifting machine to move up and down, and a carrying table is fixed at the bottom of the wire wheel seat; the motor is fixed on the top surface of the carrying table; and the stratified sampling mechanism is fixed on the bottom surface of the carrying table, is driven by a motor, and can perform synchronous sampling operation on a plurality of sections of underground water. According to the device, through layered synchronous sampling, dynamic sealing control and modular residue prevention design, the goals of high fidelity and low pollution of underground water sampling are achieved, and the device is particularly suitable for application scenes such as deeper underground water monitoring sites and the like which have strict requirements on data precision.

The invention relates to the field of transformer coil preparation, in particular to a wire feeding device for transformer coil winding, which comprises a mounting box, a wire wheel, a sliding mechanism, a rotating mechanism, a transmission part and a controller. And enameled wires are wound on the wire wheel and unwound through traction of the transmission part. The sliding mechanism drives the reel to slide axially, the rotating mechanism adjusts the rotating speed of the reel, and the sliding mechanism and the rotating mechanism are cooperatively controlled by the controller. The first camera monitors the included angle alpha between the enameled wire and the vertical plane, the second camera monitors the included angle beta between the horizontal plane, and the controller dynamically adjusts the position and the rotating speed of the wire wheel accordingly to ensure synchronization of unwinding speed and traction speed. The transmission part adopts meshing gears to drive double rubber wheels to rotate reversely, so that the traction stability is enhanced; the rotating mechanism adjusts the distance between the conical discs through the hydraulic oil pressure difference, and stepless speed change is achieved. The device solves the problems of non-uniform tension, friction damage, knotting shutdown and the like of an enameled wire in a traditional device, remarkably improves the winding efficiency and the coil quality, and is suitable for high-precision transformer production.

The invention discloses a cable take-up and pay-off trolley, and belongs to the technical field of cable take-up and pay-off equipment, the cable take-up and pay-off trolley comprises a moving trolley, a supporting plate, a supporting frame and a lifting mechanism are mounted on a top plate of the moving trolley, the lifting mechanism is arranged between the supporting plate and the supporting frame, a wire wheel is rotatably mounted at the top of the lifting mechanism, and one end of the wire wheel is associated with a first rotating motor; a threading mechanism is arranged at the top of the support frame; a line pressing mechanism is installed on the supporting plate and comprises two telescopic rods and a line pressing roller, one end of each telescopic rod is fixedly installed on the supporting plate, the other end of each telescopic rod is arranged towards the wheel face of the line wheel, and the line pressing roller is rotatably installed at the ends, close to the line wheel, of the two telescopic rods. According to the scheme, through the design of the wire pressing mechanism, the pressing force of the wire pressing mechanism can be changed along with the change of the number of layers of coils on the wire wheel.

The utility model provides a steel wire wheel propelling device of a pipe end anti-corrosion adhesive tape beveling machine, which belongs to the technical field of beveling machines and comprises a bottom plate, a support plate is arranged right above the bottom plate, and the top surface of the bottom plate and the bottom surface of the support plate are fixedly connected with telescopic rods; the clamping mechanism comprises a mounting box fixedly mounted on the top surface of the bottom plate; the beveling mechanism comprises a first motor installed on the bottom surface of the supporting plate in a matched mode. The pipeline can be prevented from shaking or shifting in the groove grinding process through the stably fixed pipeline, the flatness of the groove face of the anti-corrosion adhesive tape can be guaranteed through the stable fixing capacity, potential safety hazards caused by falling of the pipeline to operators can be avoided, and a safer working environment is provided; through cooperation of the telescopic rod and the air cylinder, the beveling machine can adapt to pipe end anti-corrosion adhesive tapes of different sizes, and the mechanical operation mode can ensure that the shape, size and angle of a groove polished each time are highly consistent.

The invention discloses an electric hoist rope protection device, and relates to the technical field of electric hoists. The device comprises a fixing plate, a bobbin is fixedly installed on the fixing plate through a first connecting plate, a wire wheel is rotatably installed in the bobbin, a steel wire rope is wound around the wire wheel, a worm wheel is fixedly installed on a rotating shaft of the wire wheel, the worm wheel is meshed with a worm, the worm is fixedly installed at the output end of a driving motor, and a first transmission wheel is fixedly installed on the worm. The first transmission wheel is in transmission connection with a second transmission wheel through a first transmission belt. The reciprocating threaded rod drives the moving block and the sleeve to reciprocate, the steel wire rope is evenly wound on the wire wheel, the phenomena of rope disorder and rope stacking are effectively avoided, abrasion and fatigue damage of the steel wire rope are reduced, and therefore the service life of the steel wire rope is prolonged. And meanwhile, the stability of the steel wire rope in the winding and unwinding process is guaranteed, and the safety and stability of lifting operation are improved.

An electric control fishing reel with a flexibly-arranged operating element position comprises a reel body, a reel cup, an electric control mechanism, an operating element and a transmission mechanism. The line cup is rotatably arranged on the surface of the line wheel body; the electric control mechanism is arranged in the wire wheel body, can act on the wire cup to control the rotating direction and the rotating speed of the wire cup, and at least comprises an electric control board and a control element integrated on the electric control board; the operating element is at least partially exposed out of the surface of the reel body; the transmission mechanism is arranged in the line wheel body and comprises one or more middle transmission elements, and the operation element and the control element are in transmission fit through the middle transmission elements; through the interval of the middle transmission element, the operation element can be arranged in a staggered mode relative to the control element, and then the operation element can be distributed at any position of the surface of the wire wheel body. The arrangement direction of the operation element can be changed according to the fishing reel of each model and type, and the design difficulty of the fishing reel is reduced.

The present invention provides a threading device, wherein a bent pipe converging device in the threading device is rotationally disposed on a first rotating shaft through a first sleeve, an annular gasket and a clamp spring, the bent pipe converging device can rotate up and down and also can swing left and right, a rope arrangement auxiliary device consisting of a rope arrangement plate, a first eccentric wheel with a first push rod and a rope arrangement motor is disposed on an inward outlet of the bent pipe converging device, a first sliding groove and a second sliding groove are disposed on the rope arrangement plate in parallel, a sliding direction of the first sliding groove and the second sliding groove is perpendicular to a reciprocating direction of the rope arrangement plate, and the internal outlet of the bent pipe converging device and the first push rod are inserted into the first sliding groove and the second sliding groove, respectively; by such a configuration, the first eccentric wheel can enable the bent pipe converging device to reciprocate left and right during take-up under the driving of the rope arrangement motor, and a wire rope taken up on a wire wheel cannot be intensively wound together to generate a wire clamping phenomenon, so that the wire rope on the wire wheel is collected more evenly.

The utility model discloses a steel wire surface degreasing device which comprises a base and is characterized in that a first support and a second support are sequentially arranged on the base, a first steel wire wheel set is arranged on the first support, and an induction heating mechanism is arranged behind the first steel wire wheel set. A second steel wire wheel set is arranged behind the induction heating mechanism and arranged on a second support. An induction heating mechanism is arranged, a steel wire is erected between a front positioning roller set and a rear positioning roller set, the steel wire is kept straight in the horizontal direction and enters the middle of an induction heating coil through passing holes in the two sides of an induction heating electric box, and the induction heating coil is powered on and emits heat to conduct sintering treatment on the surface of the steel wire. The residual lubricant on the surface of the steel wire is sintered into blocks, adhesive force between the lubricant and the steel wire is reduced, friction is generated between the second steel wire wheel set and the surface of the steel wire subsequently, sintered blocks on the upper surface of the steel wire are scraped off, and removal of the lubricant is completed.

The utility model discloses an electric power stay wire rapid manufacturing and assembling device which comprises a mounting base and a steel strand, a limiting sliding groove is formed in the mounting base, a stay wire wheel is arranged above the limiting sliding groove, an arc-shaped cover plate is arranged on one side of the top of the stay wire wheel, a first ring groove is formed in the outer side of the stay wire wheel, and a limiting sliding block is arranged in the limiting sliding groove. The steel strand pulling device has the advantages that the steel strand pulling device is small in size and convenient to carry, accordingly, steel strand pulling manufacturing can be conveniently carried out outdoors, the threaded rod is driven by the motor to rotate, and the steel strand pulling device is convenient to use, high in practicability and high in practicability. And a limiting rotating bolt rotates in a limiting rotating opening, so that when the steel strand is pushed, a rotating wheel drives the second annular groove, the friction condition is avoided, and stay wires are conveniently manufactured.

The utility model relates to a pay-off tension device of a steel wire rope twisting machine. The pay-off tension device comprises a single-strand spool, a tension chain, a tension device body and a spool rotating frame. The tension device comprises a tension rod, a spring, a nut, a V-shaped lever, a cam, a tension seat and a moving handle, the V-shaped lever is rotationally connected with the tension seat through a pin shaft, one end of the tension rod is connected with the nut, the other end of the tension rod penetrates through a hole in the V-shaped lever to be connected with a tension chain, and the tension rod between the nut and the V-shaped lever is sleeved with the spring; the cam is rotationally connected with the tension seat through a cam shaft, the other end of the V-shaped lever is arranged at the bottom of the cam and is in contact connection with the cam, one end of the cam shaft is connected with a moving handle, and the cam swings up and down by rotating the moving handle. According to the utility model, the pay-off tension of a single strand can be quickly adjusted to ensure that the pay-off tension is always stable, so that the quality of steel wire rope products is improved, and the labor intensity of operators is reduced.

The present invention relates to the field of metal wire drawing technology, and specifically to a straight-in wire drawing machine and a method of using the machine, comprising an equipment main body, a plurality of winding wheels are installed on the outer side wall of the equipment main body, a plurality of wire wheels are correspondingly provided with a wire wheel and a drawing die on the side, a cleaning box is provided at the tail of the equipment main body, a sliding hole is provided at the end of the cleaning box, a liquid storage tank is installed on the cleaning box, a partition is provided inside the liquid storage tank, a water pipe is provided on the partition, an inner box is installed inside the liquid storage tank, a mounting part is fixedly connected to the inner box, and an annular scraper is provided, when in use, after the wire is drawn, the annular scraper will reciprocately scrape the soap powder on the surface of the wire to clean the soap powder attached to the surface of the wire, so as to avoid residual soap powder on the surface of the wire and affect the later use.

The utility model discloses a template steel wire threading device for sleeper steel bar structure processing, which comprises a support frame, a traction component arranged at the front end of the support frame, a traction bracket arranged on the support frame in a sliding manner, and a material conveying component arranged on one side of the support frame, the traction assembly comprises a mounting support, a driving motor fixedly mounted on the mounting support, a speed reducer in power connection to the output end of the driving motor, a V-shaped steel wire wheel fixedly connected to the output end of the speed reducer and a traction steel wire rope in power connection to the V-shaped steel wire wheel, and a driven wheel is rotatably mounted on the supporting frame. One end of the traction steel wire rope is wound on the driven wheel; one end of the traction bracket is fixedly connected to the traction steel wire rope; and a baffle block is fixedly arranged on the support frame. The device can quickly adjust the position of a steel formwork on each bundle of steel wires, is simple and compact in structure, can adapt to machining of sleeper steel bar structures with different lengths, is high in overall operation efficiency, reduces the labor intensity of workers, and is high in applicability.

The invention relates to the technical field of cable production, and discloses a cable wrapping machine loss-resistant positioning adjusting device which comprises a wrapping structure and a coil holder which are fixed to the left side and the right side of a rack respectively, a driving pipe is rotationally arranged in a wrapping machine body of the wrapping structure, the right end of the driving pipe is connected with a wrapping head, a guide rod and a wire guide wheel are installed on the surface of the wrapping head, and a pulling ball is arranged on a wheel shaft of the wire guide wheel. A middle hole line pipe inserted in the driving pipe is movably connected with a movable open ball of the wrapping head inner constraint pipe through a ball seat; a wire sleeving ring is arranged at the right end of the restraining pipe, a rolling spring rod is arranged in the wire sleeving ring, the side face is connected with a lever, and the lever is rotationally connected with the supporting body through a tilting ball body and provided with a reset spring and a top ball; when the cable deviates, the device can reduce the deviation of the cable by using structures such as the constraint pipe and the like, thereby reducing the abrasion and vibration of equipment; meanwhile, the pull rod, the pull ball and other structures can adjust the position of the wire guide wheel, the wrapping tape is kept tensioned, abrasion to the wire guide wheel is reduced, and the abrasion resistance of the wire guide wheel is improved.

The utility model relates to the technical field of pay-off devices, and discloses an engineering surveying pay-off device which comprises a pay-off rack, a pay-off roller is rotatably installed at the upper position of the inner side of the pay-off rack, a pay-off motor is installed on one side of the pay-off rack, and a driving shaft of the pay-off motor is connected with the pay-off roller. Wire wheels are arranged at the positions, close to the two sides, of the outer ring of the pay-off roller, a measuring cable body is wound around the outer rings of the wire wheels, a pay-off assembly is arranged at the front end of the pay-off frame, the pay-off assembly is provided with a telescopic supporting rod, and the telescopic supporting rod is fixedly installed in the middle of the front end of the pay-off frame; through the pay-off assembly, it can be ensured that the measuring cable body is continuously paid off from the same position, the measuring cable body can be clamped, the pay-off stability is further improved, the pay-off position can be adjusted, the overall position of the pay-off rack does not need to be adjusted back and forth in the process, guide pay-off is facilitated, and the pay-off effect is improved.

The application discloses a split high-precision wire cutting machine capable of adjusting the length of a cutting area. The machine comprises a machine tool and a workbench. The workbench is arranged on the side of the machine tool. The machine tool is provided with a driving roller and a plurality of wire wheels. The driving roller is wound with a metal wire. The machine tool is further provided with an adjusting structure. The adjusting structure comprises a vertical moving structure for adjusting the length of the cutting area, a horizontal moving structure matched with the vertical moving structure and used for not changing the length of the metal wire, and a base structure for mounting the vertical moving structure and the horizontal moving structure. In this way, the split high-precision wire cutting machine capable of adjusting the length of the cutting area has the adjusting structure. The length of the cutting area can be directly adjusted without changing the length of the metal wire. The metal wire does not need to be tensioned again. The processing efficiency is greatly improved.

The utility model discloses an automatic high -efficient winding machine of rotor, including frame, the left and right sides of frame upper surface all are provided with movable seat, and the opposite surface of two movable seats all are installed with first motor, and the output of first motor is connected with winding head through the rotation of rotating shaft, still include: two the wire wheel of the upper and lower of winding head inside are equidistant through the rotation of axle and are connected, and the opposite surface of two winding heads all are fixedly connected with limit stop. This automatic high -efficient winding machine of rotor, adopts two winding heads and can simultaneously carry out winding to two slot positions or different winding of rotor iron core, can improve production efficiency, and can support complex winding process, and utilize the effect of clamping plate, link rod and return spring, can carry out clamping fixed to the axle end of rotor iron core, and through the relative movement of two limit stops rotor iron core and carry out limit fixed, thereby avoid the deviation of rotor iron core in the winding process, ensure winding accuracy.

The utility model relates to the technical field of enameled wire production, and discloses an enameled wire production auxiliary device which comprises a winding workbench, an n-shaped plate is fixedly installed on the upper surface of the winding workbench, a sliding groove is formed in the upper surface of a transverse plate of the n-shaped plate, and the winding workbench is provided with a winding mechanism. The winding mechanism comprises a winding roller, a first motor, a first threaded rod, a sliding block, a second motor, a first wire passing wheel, a second threaded rod, a moving block, a wire passing hole, a third motor, a first supporting rod, a second supporting rod, a rotating shaft and a second wire passing wheel, and the winding roller is rotationally connected to the opposite faces of the two vertical plates of the winding workbench; according to the auxiliary device for enameled wire production, the second wire passing wheel is driven by the first supporting rod to move downwards, at the moment, the second wire passing wheel exerts pressure on the surface of an enameled wire, the tension of the enameled wire is improved, and the enameled wire is tighter and not loose during winding.

The invention relates to an automatic tinning process for the middle section of an enamelled wire, which comprises the following steps: S1, an enamelled wire coil is arranged on an empty coil of a wire feeding stepping motor, and the tail end of the enamelled wire coil sequentially penetrates through a tensioner and a wire guide wheel to enter a laser area and a tin spraying area and is finally fixed with an empty coil of a wire collecting stepping motor; s2, removing coatings on the two opposite sides of the enameled wire through laser in a laser area; s3, the enameled wire is rotated by 90 degrees, and coatings on the two opposite sides of the enameled wire are removed through laser; s4, resetting the enameled wire; s5, the enameled wire is moved to a tin spraying area, and tin spraying is conducted on the enameled wire with the coating removed; s6, a take-up stepping motor carries out winding; and S7, circulating the steps S2 to S6. Compared with the prior art, the automatic tinning device has the advantages that the tensioning force of the enameled wire in the operation process is effectively controlled, a coating on the enameled wire is effectively and comprehensively removed, and automatic and comprehensive tinning is achieved.

The invention relates to the technical field of training equipment transfer, in particular to a convenient physical training equipment transfer device with a lifting function. The convenient physical training equipment transfer device with the lifting function comprises a bottom frame, a handle, a bottom frame, a lifting frame, moving wheels, a threaded rod, a return spring, a wire spool, a wire wheel, a pull rope and a driving assembly, the handle is rotationally connected to the front side of the bottom frame, the bottom frame is installed at the top of the bottom frame, a sliding groove is formed in the bottom frame, and the lifting frame is arranged in the sliding groove. The lifting frame is in sliding connection with a sliding groove in the bottom frame. The interiors of the bottom frame and the lifting frame are reasonably partitioned, basketballs, footballs and volleyballs are stored in a front side cavity according to the sizes of balls, table tennis balls are stored in a rear right side cavity, a feeding hopper and a sliding cover are designed correspondingly, storage and taking are convenient, meanwhile, badminton rackets and table tennis rackets are stored in a large-size racket frame and a small-size racket frame respectively, sports equipment is clearly classified, mutual collision and damage are avoided, and the service life of the sports equipment is prolonged. And the equipment management and taking efficiency is greatly improved.

The utility model discloses a kind of scrapped sucker rod remanufacturing devices, comprising: feeding table, the inner wall of feeding table is connected with feeding roller by bearing rotation, and feeding roller is equipped with several;Feeding positioning assembly, including first guide rail frame, the inner wall of first guide rail frame is connected with positioning slide by sliding, the inner wall of positioning slide is connected with positioning roller by bearing rotation, and positioning roller and feeding roller cooperate for feeding;Polishing rust removal component, including driving wheel and detachable fixed installation steel wire wheel on the outer wall of driving wheel.The utility model can be adapted to different diameter scrapped sucker rod by the first screw of feeding positioning assembly and first hand wheel adjusting positioning roller height, the second screw of polishing rust removal component and second hand wheel can adjust steel wire wheel pressure, adapt to different corrosion degree rod body, without replacing core component can handle multiple specifications sucker rod, solve the problem of single compatibility of traditional device.

The application provides a transformer hoisting traction device, which comprises a main box, a climbing assembly installed on the side of the main box, the climbing assembly clamped on the left and right sides of an electric pole, the climbing assembly used to drive the main box to lift to complete automatic hoisting of the transformer and automatic separation of the main box, a lower clamping assembly, a reserved bracket clamped and installed on the outer wall of the electric pole, the reserved bracket arranged above the main box, a suspension assembly comprising a first lifting frame, a second lifting frame, a wire wheel and an end plate, a lifting assembly, an outer clamping assembly, a rotating assembly and an outer blocking assembly. The application can automatically drive the reserved bracket and the transformer body to lift, complete butt joint of the transformer body and the reserved bracket, and does not need manual high-altitude traction, so that the transformer laying safety is higher, and the operation stability and efficiency are also higher.

The utility model relates to the technical field of polishing steel wire wheel brushes, and discloses a corrugated polishing steel wire wheel brush with dense bristles, which comprises a protective ring, the bottom of the protective ring is fixedly connected with a connecting rod, a polishing component is arranged in the protective ring, the polishing component comprises a steel wire, the steel wire is arranged in the protective ring, and the connecting rod is fixedly connected with the connecting rod. The steel wire is in a corrugated shape, the bottom of the steel wire is fixedly connected with a containing plate, the bottom of the containing plate is arranged on the inner wall of the protection ring, and a limiting block is arranged on the top of the containing plate. According to the utility model, through the reasonable design of amplitude and wavelength, when the corrugated steel wire is in contact with a workpiece, the contact area is obviously increased, the surface of the workpiece is smoother and can conform to the surface of the workpiece, scratches are reduced, blockage by chippings can be prevented, the service life is prolonged, and the problems of low polishing efficiency, easiness in damaging the workpiece and easiness in blockage of the traditional straight wire brush are solved; and the practicability, durability and adaptability of the polishing wheel brush are improved.

The utility model discloses a manual awning curtain structure capable of adjusting the height of a stay wire, which relates to the technical field of manual awning curtain adjustment and comprises a manual awning curtain, a sliding guide rail is fixedly mounted at the top end of one side of the manual awning curtain, and a spring base is detachably mounted on the surface of one side of the sliding guide rail. A bolt is detachably mounted on one side of the spring base, a mounting column is fixedly mounted on one side of the spring base, and a connecting spring is fixedly connected to one side of the mounting column. The device is installed on a sliding guide rail by arranging a bolt, the device is directly connected with a connecting arm through a connecting spring, the connecting arm is connected with a rotating shaft in a wire wheel, and in the working process of the wire wheel, due to the effect of the connecting spring, jumping of the wire wheel in the vertical direction can be controlled; therefore, the friction damage between the wire wheel and the stay wire can be directly reduced, the service life of the wire wheel is prolonged, the damage of friction to the stay wire is reduced, and the use durability of the stay wire is improved.

The utility model provides a rotatable square waterproof battery cover, and belongs to the field of battery covers, in order to solve the problem that a used sealing gasket is inconvenient to disassemble and replace conveniently, the rotatable square waterproof battery cover comprises a battery cover plate, a fixed box is fixedly connected to the battery cover plate, and the other end of a second spring is fixedly connected in the fixed box. The device is provided with a positioning plate; when a sealing gasket on a battery cover plate is replaced, a connecting sleeve can be rotated to drive a wire wheel to operate, when the wire wheel rotates, a thin wire is wound, meanwhile, the thin wire can pull a limiting plate to move, the limiting plate can extrude a first spring when moving, the limiting plate can drive a clamping block to be separated from a positioning plate, and the sealing gasket on the positioning plate can be detached and taken out; the sealing gasket can be replaced, the connecting sleeve can be loosened, the limiting plate and the clamping block are driven to reset under pushing of the first spring, the clamping block can be clamped in the positioning plate, the replaced sealing gasket is limited and fixed, and the efficiency of disassembling and replacing the sealing gasket is improved.