623 results about "Traction belt" patented technology

A thoraco-lumbar spine support/brace for correcting lateral spinal alignment. The brace comprises a frame member defined by two elongate bracing rods extending vertically in generally parallel relation to one another on opposed sides of the body of the wearer that extend generally from the wearer's shoulders to pelvis. Extending across the uppermost ends of the bracing rods is a posterior traction belt. At least two anterior traction slings are provided that extend across an intermediate portion of the bracing rods. A pelvic arch is further provided that extends across the bottom-most ends of the opposed bracing rod members. The posterior traction belt, anterior traction slings and pelvic arch may all be selectively positioned to impart a desired physiological orientation of the waerer's spine, and can be utilized to treat a given condition such as abnormal thoracic kyphosis, pelvic inclination and lumbar lordosis.

The invention relates to a wire pole climbing tool, in particular to a portable wire pole climbing mechanism. Side edges (14) which are connected are arranged on semicircular cylinders (12) at the end parts of two semicircular convex rings (1); the climbing mechanism comprises two clamping rods (4), a supporting wheel (2) and a climbing wheel (7); a positioning board (10) is fixedly connected with the inner side surfaces of the two semicircular cylinders (12) movably through a positioning board supporting rod (20), and a pull wire seat (15) on the back surface of the positioning board (10) is penetrated through the thin end of a tower spring (16); and one end of an unlocking pull wire (11) is connected with the pull wire seat (15), and the unlocking pull wire (11) respectively passes through a hole (18) and a pull wire lock (17) and then is mutually wound with other unlocking pull wires (11) or independently extends downward. By surrounding the two semicircular cylinders on the body of a wire pole and using a climbing traction belt to drive the climbing wheel to climb upward, the invention realizes the purposes of installing an operating platform and conveying operating tools to the top of the wire pole.

The invention provides a multi-wire cutting device applied to block forming of a silicon ingot. The multi-wire cutting device comprises a base, a bearing table arranged on the base for bearing the silicon ingot to be cut and a cutting mechanism. The bearing table is provided with a plurality of bearing assemblies which are arranged in parallel, and a cutting clearance is reserved between every two adjacent bearing assemblies. Each bearing assembly comprises a pair of bearing supports, a traction roller, a traction belt arranged on the traction roller in a sleeving manner, and a first drive motor. The cutting mechanism comprises a cutting support arranged on the base, at least one pair of cutting rollers erected on the cutting support, cutting wires and a second drive motor. The cutting wires are correspondingly wound on at least one pair of cutting rollers to form a cutting net. The cutting wires on the cutting rollers are used for cutting the silicon ingot to be cut on the bearing table under the drive of the second drive motor, and the cutting wires are located in the cutting clearances when cutting the silicon ingot. According to the multi-wire cutting device, a workpiece can be cut into blocks, the workpiece to be cut is controlled by a microcontroller to rotate, automatic control is achieved in the whole process, and the cutting effect is good.

The invention discloses a fiber-woven flexible composite traction belt for an elevator and a manufacturing method thereof. The manufacturing method comprises the weaving mode of a fiber woven belt, the manufacturing method of the fiber-woven flexible composite traction belt and the manufacturing method of plastic coating layers. The composite traction belt is formed by weaving steel wires or synthetic fibers; closely adhered plastic coating layers are arranged at the periphery and the internal part of the composite traction belt; and the plastic coating layers are made of elastic thermoplastic plastic. The fiber woven belt (1) is in synthetic fiber weaving, and comprises any one material of aromatic polyamide fibers, glass fibers, ceramic fibers or carbon fibers, or is formed by weaving an optional combination of the aromatic polyamide fibers, the glass fibers, the ceramic fibers and the carbon fibers. The plastic coating layers protect the fiber woven belt from being worn and maintain the woven belt in a tensioned state. The fiber woven belt is in the form of a tiled flat belt, and has the advantages of flat belt structure, higher fatigue resisting performance after long-time bending, longer service life, lighter weight and higher bearing strength.

The invention discloses an escalator step chain and a step overall installation method. A tool is installed in a proper position; a hoist is used for driving a traction belt to pull the step chain to enter an advancing guide rail in an escalator truss along a fixed guide rail and a transitional guide rail, and the step chain and steps are assembled into a whole in the process; then, the step chain and the steps are distributed full in a back guide rail in the truss by using the steering of upper chain wheels of an escalator; and finally, corresponding components are removed. The invention also discloses a tool equipment used in the method, comprising a tool base, a chain box, a vehicle stopper, the fixed guide rail, a control switch, a step positioner, a first transitional guide rail, an electrical control box with PLC (programmable logic controller) and the like. The invention has the advantages of safety, reliability, time saving and labor saving in implementation, reduces operational danger and labor intensity, saves labor cost and operational time, and enhances working efficiency.

The invention relates to a traction belt structure for a lifting elevator, in particular to a traction belt for the lifting elevator and a transmission method. The traction belt structure is designed to perfect the widely-known flat traction belt structure. The design key points are as follows: two lateral surfaces of a rubber plastic material wrapped by a hoisting cable are provided with symmetrical circular arcs, the number of the circular arcs is equal to the number of strands of the hoisting cable, and the hoisting cable is connected with the rubber plastic material into a whole. The transmission method is as follows: the circular arcs of the rubber plastic material wrapped by the hoisting cable of the traction belt, the circular arc of a traction sheave and the circular arc of a guide wheel operate closely, and the tension of the traction belt in the length direction is converted into the centripetal force of the hoisting cable. The traction belt structure has a reasonably designed structure, good transmission safety, good stability, and feasible transmission method, lowers the manufacture cost of the traction machine, reduces the occupied space inside the building, and is particularly suitable for the elevator without an equipment room.

A motorized scaffold for self-displacement on land is comprised of a support base mounted on a pair of traction belts. Jacks are provided to immobilize and level the support base at a desired location. A platform assembly is secured over the support base on extendable supports. Braces are secured between the support base and the platform assembly and are extendable with the movement of the platform assembly over the base whereby to maintain the platform assembly substantially stable during its displacement and at a stationary desired working elevation with respect to the support base. A displaceable worker support platform is secured to the platform assembly for supporting workers thereon.

A zero turning radius vehicle is disclosed that has a steering and drive control mechanism that includes a steering wheel and an accelerator pedal. The mechanism includes push-pull rods to effect movement of throttle levers on motors that independently drive traction elements such as wheels or traction belts. The position of each push-pull rod can be controlled by both the steering wheel and the accelerator pedal such that both the wheel and accelerator pedal can control the throttle of each motor independently or proportionally to thereby effect a change in vehicle speed and/or direction of travel.

The invention discloses a mid-set switch loading and unloading truck. A hydraulic pressure elevating mechanism is arranged on a wheel-mounted automotive chassis; a wheel carrier is connected with the load bearing end of the hydraulic pressure elevating mechanism; a supporting wheel is arranged on the wheel carrier; one end of a traction belt born on the supporting wheel is fixed with the automotive chassis; the other end of the traction belt is connected with an erector; a hoist frame is connected with the elector; a hanging mechanism is connected with the front ends of a pair of horizontal-shaped erector arms arranged on the hoist frame; a pair of adjustable supporting assemblies is connected with the lower part of the hoist frame; the hanging mechanism is connected with the dedicated handling hole on the mid-set switch; the hydraulic pressure elevating mechanism drives the erector and the hoist frame to realize that the mid-set switch drops off from a dedicated handcart platform or is uplifted to the platform. The mid-set switch loading and unloading truck of the invention has reasonable structure and convenient use, can greatly lighten the labor intensity, improve the working efficiency, and can greatly avoid the safety risks of carrying, and is desired maintenance assistant equipment for electrical maintenance departments.

A forklift apparatus with improved all-wheel steering includes: a chassis; a plurality of wheels; at least one motor; a plurality of idler pulleys; a plurality a traction belts; and a plurality of actuators. The plurality of wheels supports the chassis from a ground surface and steer the chassis on the ground surface. The at least one motor is operatively connected to at least one of the wheels to rotate the wheel about a horizontal axis. Each wheel is rotationally mounted to the chassis about a vertical axis. Each wheel has a drive pulley oriented horizontally above the wheel and centered on the axis and connected to rotate with the wheel about the vertical axis. Each idler pulley is rotationally mounted to the chassis about a vertical axis and spaced from one of the drive pulleys. Each traction belt is wrapped around one pair comprising an idler pulley and a drive pulley. Each actuator includes a drive element and is connected to one of the traction belts, wherein movement of the drive element in a first direction causes circulation of the traction belt in a first circulating direction, and movement of the drive element in a second, opposite direction causes circulation of the traction belt in a second, opposite circulating direction.

The invention discloses an elevator traction belt and an elevator with the traction belt. The traction belt comprises a wrapping layer and at least one bearing body sleeved with the wrapping layer. Each bearing boy comprises basalt fibers and a resin matrix which are compounded together. The basalt fibers comprise multiple parallel basalt fiber filaments. Due to the fact that density of the basalt fibers and the density of the resin are both smaller than that of a steel wire, the weight of the traction belt is effectively reduced, the traction belt can be easily used on the elevator with superlarge lifting height, and the range of an existing maximum elevator lifting height can be widened. Meanwhile, the basalt fibers have a good sound absorption effect, the traction belt is made from the basalt fibers, noise generated during operation of the traction belt can be effectively lowered, and elevator taking comfort is improved. The basalt fiber filaments are arranged in the resin matrix in parallel, friction force among the fiber mono-filaments is reduced, the traction belt has the advantages of being free of twisting, resistant to abrasion, resistant to fatigue and the like, the traction performance of the traction belt is improved, and the service life of the traction belt is prolonged.

The invention discloses glass curtain wall cleaning equipment which structurally comprises a traction guide rail. The traction guide rail is fixedly arranged on the top layer of a building, a slidingtraction base is arranged on the traction guide rail in a sliding mode, and a traction hoisting assembly used for hoisting the equipment is arranged on the sliding traction base. A wall-climbing cleaning assembly used for cleaning a glass curtain wall is arranged below the traction hoisting assembly, the wall-climbing cleaning assembly is located on the outer side of the glass curtain wall, and the traction hoisting assembly and the wall-climbing cleaning assembly are connected through a traction belt. The glass curtain wall cleaning equipment is used for brushing and cleaning the glass curtain wall, movement in the vertical direction and the horizontal direction can be realized, in match with the hoisting equipment capable of synchronously translating along with the change of the cleaningposition, the safety is enhanced, falling is prevented, the distance between the brush heads and the glass curtain wall can be adjusted, the brush heads can revolve around the axis while rotating, and as agravity center adjusting assembly is arranged, the brush head on the equipment is always vertical to the wall surface of the curtain wall.

The invention discloses a foldable cervical vertebra and lumbar vertebra traction chair. The foldable cervical vertebra and lumbar vertebra traction chair comprises a chair body, a head traction device, a lifting rod, chair leg folding telescopic devices and a lifting device, wherein the lifting rod is arranged on the lifting device, the chair leg folding telescopic devices are arranged on leg portions of the chair body, the lifting device is arranged inside the chair body, and the head traction device is arranged on the chair body through the lifting rod. The head traction device is composed of a helmet type traction cap, a traction band, traction band control knobs and heat dissipation holes, wherein the heat dissipation holes are formed in the helmet type traction cap, and the traction band is connected with the helmet type traction cap through the traction band control knobs in an adjustable mode. The chair body comprises a backrest which is composed of two parts. The foldable cervical vertebra and lumbar vertebra traction chair is beneficial to fixing the position of the head and the cervical vertebra, and also beneficial to reducing pressure to spines.

A lifting folding door or window capable of being opened and closed conveniently comprises a folding door or window plate and a traction apparatus. The folding door or window plate sequentially comprises door or window sheets with approximately identical sizes from top to bottom, and the n is an odd number equal to or larger than 3; the upper edge of the first door or window sheet is hinged on a door head frame or a window head from, the lower edge of the n door or window sheet is suspended relative to the folding door or window plate, and a first slider is arranged between the lower edge of each even-number door or window sheet and the upper edge of the corresponding adjacent lower door or window sheet; the traction apparatus mainly comprises a driving motor and a traction rope or a traction belt. The lifting folding door or window is characterized by further comprising opening and closing auxiliary devices, each opening and closing auxiliary device comprises a second slider, a push rod, an elongated hole, a first gear and a second gear, and the traction rope or the traction belt acts on the second sliders. The lifting folding door or window has the advantages that door or window opening and closing procedures of the lifting folding door or window are improved by the opening and closing auxiliary devices, and accordingly the lifting folding door or window can be operated conveniently and is labor-saving at opening and closing moments.

The invention provides a flexible wearable lower limb assistant exoskeleton suit. The suit is characterized by comprising high waist short pants, knee caps, shoes, a controller, a traction belt and two drive devices. The left and right hips joints and sacrum position of the high waist short pants are all provided with gyroscope sensors. The waist position of the high waist short pants is fixedly provided with an adjustable belt. The two drive devices are symmetrically installed at the adjustable belt located at front side of the high waist short pants in a left-right mode. Each drive device is connected with the upper end of a traction belt. The lower end of the traction belt penetrates through the kneed caps to be connected with the shores. Each drive device is used for driving the corresponding ankle joint move; the three gyroscope sensors and two drive devices are all connected with the controller; the controller is used for processing the data of three gyroscope sensors and controlling the motion of power elements of the drive devices, the knee caps are located at the knee joints and is provided with a plurality of magic sticker pasting points of different lengths, and the knee caps are also provided with knee dents.

The invention relates to the technical field of wind drag rowing machines, in particular to a wind drag rowing machine small in inertia force. The wind drag rowing machine comprises a sliding device, a main frame, a drag device and a movement device. The drag device comprises a sheet metal fan wheel set and a permanent magnet, the sheet metal fan wheel set is movably arranged on the main frame, and the permanent magnet is arranged on the circumferential outer side of the sheet metal fan wheel set through a preset gap. The movement device comprises a spring coiling box, a unidirectional rotating wheel set, a fixed central spindle, a traction belt and a holding rod. The fixed central spindle is sequentially connected with the rotation center of the sheet metal fan wheel set, the rotation center of the spring coiling box and the rotation center of the unidirectional rotating wheel set and is movably arranged on the main frame, and the spring coiling box is fixedly connected on the main frame. One end of the traction belt is connected with the unidirectional rotating wheel set, and the other end of the traction belt bypasses a belt wheel fixed on the main frame and is connected with the holding rod. The wind drag rowing machine is small in inertia force when pulled, and an ideal body-building purpose can be achieved.

The invention discloses a multifunctional medical rehabilitation training device, which comprises a training chair, a column, a lifting column, a first pulley frame, a pulley frame tube, a neck rope pulley, a neck traction belt, a neck rope and a rope reel; the column It is erected above the back of the training chair; the lower end of the lifting column is sleeved on the upper end of the column; the pulley frame tube is a square tube structure, and the pulley frame tube is horizontally arranged on the upper end of the lifting column. The length direction of the pulley frame is parallel to the front and rear direction of the training chair; the first pulley frame is a square rod structure, the first pulley frame passes through the pulley frame along the length direction, and the front and rear ends of the first pulley frame extend Out of the front and rear nozzles of the pulley frame tube; the structure of the invention is simple, and it has three functions of upper limb rehabilitation training, neck stretching rehabilitation training and back massage.

The invention provides a microalgae tube type reactor and a system thereof, and belongs to the field of bioengineering. The microalgae tube type reactor comprises a stirring and circulating mechanism, wherein the stirring and circulating mechanism comprises a stirring internal mechanism and a stirring external mechanism; the stirring internal mechanism comprises a fixed guide rod and a stirring ball; the stirring external mechanism comprises a guide rail, a traction belt and a guide magnetic block; a guided magnetic block is embedded in one side, which is tangent with the inner wall of a pipeline, of the stirring ball; and the guided magnetic block is arranged corresponding to the guide magnetic block and can realize magnetic guide movement by a pipeline. A microalgae tube type reaction system comprises the microalgae tube type reactor; and an automatic valve is arranged at a liquid discharge port. The microalgae tube type reactor realizes stirring and circulation of microalgae by utilizing movement of the stirring ball; compared with the prior art, mechanical damage to the microalgae caused by mechanical stirring is greatly reduced; the microalgae tube type reaction system further perfects the microalgae tube type reactor.