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33results about How to "Simple and smart structure" patented technology

Continuous stretch-draw integrated robot driven by multiple sections of ropes

The invention provides a continuous stretch-draw integrated robot driven by multiple sections of ropes. The continuous stretch-draw integrated robot comprises a base, a plurality of basic units, a plurality of connecting mechanisms and three driving mechanisms, wherein the center of each basic unit is provided with an elastic connecting piece, and the elastic connecting pieces are elastically connected with the basic units; the three driving mechanisms are arranged front and back; and each driving mechanism comprises a plurality of ropes and a plurality of driving units for driving the ropes to move, and the front ends of the ropes are connected with the driving units. The continuous stretch-draw integrated robot driven by the multiple sections of ropes integrates three deformation modes of stretching, bending and twisting, and has flexible movement capability. The robot body is simple and ingenious in structure and has good reconfigurability. On the basis of the basic units, the connecting mechanisms and the base, springs and the ropes are connected to form the body structure of the robot, the modeling difficulty of kinetic analysis is reduced while assembling is easy, the model accuracy is high, and a better control effect can be achieved.
Owner:DALIAN UNIV OF TECH

Double-shaft jaw clutch

The invention discloses a double-shaft jaw clutch. The double-shaft jaw clutch comprises a casing provided with an excitation coil, a mounting seat connected with the casing, an input shaft and an output shaft, wherein the input shaft is arranged on the inner end surface of the mounting seat and provided with an input rotating disc; the output shaft is arranged on the inner end surface of the casing and provided with an output rotating disc; an armature is connected with one end, close to the output rotating disc, of the input rotating disc; a spring seat is arranged in the center of the casing; multiple grooves are uniformly distributed in the casing and located in the circumferential direction of the periphery of the spring seat; a spring hole opposite to the spring seat is formed in the end surface center, close to the armature, of the output rotating disc; two racks distributed at a 180-degree angle are arranged on the output rotating disc and located on the periphery of the spring seat; the racks are embedded into the two corresponding grooves in a matched manner; disengaging springs are mounted in the spring seat and the spring hole in a matched manner. The double-shaft jaw clutch is simple in structure, small in size, light in weight, reasonable in layout and good in reliability.
Owner:SHAOXING IND SCI DESIGN & RES INST CO LTD

Prestress tensioning device and use method of fiber cloth

The invention relates to a prestress tensioning device and use method of fiber cloth. Two ends of a supporting rod are fixedly connected with steel members through base plates, a hydraulic jack is fixed between one end of the supporting rod and one base plate, and two mutually-parallel rolling shafts are arranged on each steel member. According to the use method, the fiber cloth is wound around the rolling shafts by one circle, a lap joint length is reserved, clamping pieces are used for conducting firm clamping on the lap joint area of the fiber cloth, pressurization is carried out on the hydraulic jack, the prestress tensioning device and the fiber cloth are jointly lifted to the portion which needs reinforcing, and the construction operation of pasting the high-strength fiber cloth can be carried out. The prestress tensioning device and use method of the fiber cloth has the advantages of being simple and skillful in structure, being not limited by the field, easy to construct and capable of fully developing a strength value of the high-strength fiber cloth, adopting the mode that the jack is internally arranged to exert expansive force, and achieving the aim of exerting prestress due to the fact that the high-strength fiber cloth wound on the rolling shaft is lengthened through the rolling shafts arranged on the end portions.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Cash gate self-locking mechanism

The invention provides a cash gate self-locking mechanism. Cash gate rear wheels are arranged at the two sides of a cash gate, respectively; strip-shaped first guide grooves are formed on the two sides of the cash gate to correspond to the movement locus of the corresponding cash ate rear wheels; the cash gate rear wheels are arranged in the first guide grooves and capable of sliding back and forth along the first guide grooves; the cash gate self-locking mechanism further comprises connecting rods and power wheels, as well as a power belt arranged in parallel to the first guide grooves, wherein each connecting rod is arranged correspondingly to each cash gate rear wheel and rotatably connected with the cash gate rear wheel and each power wheel is rotatably connected with the other end of the corresponding connecting rod; the power wheels are arranged on the power belt and move together with the power belt; a self-locking slot is formed at the position of each cash gate rear wheel after each first guide groove is completely closed correspondingly to the cash gate; the self-locking slot is a notch formed on one side of the first guide groove and capable of receiving the cash gate rear wheel. The cash gate self-locking mechanism is of a pure mechanical structure, and is simple in structure, good in self-locking effect and low in cost, and has an excellent self-locking effect.
Owner:SHENZHEN YIHUA COMP +2

Construction method for underwater positioning of embedded rock-socketed foundation steel pipe pile

The construction method comprises the steps that a pair of main lifting lugs is arranged on the left outer side wall and the right outer side wall of the same horizontal plane of the upper portion of the steel pipe pile, a pair of limiting devices is arranged on the front outer side wall and the rear outer side wall of the steel pipe pile, and when the steel pipe pile is put down, positioning blocks are welded to the outer sides of the main lifting lugs and the limiting devices and used for horizontal positioning of the steel pipe pile; and a steel wire measuring rope is mounted at the pile top for controlling the pile top elevation, so that underwater positioning construction of the steel pipe pile is completed. Underwater positioning construction of the steel pipe pile can be achieved, the structure is simple and ingenious, construction is convenient, materials are saved, and construction procedures are simplified; lifting lugs and limiting devices are arranged on the outer side of the upper portion of the steel pipe pile, positioning blocks are welded during lowering construction, the plane position of the steel pipe pile can be accurately controlled, construction is easy and convenient, and operation is flexible; the steel wire measuring rope is adopted to directly measure the pile top elevation of the underwater steel pipe pile, underwater measurement is converted into overwater control, visual and controllable effects are achieved, and underwater construction and underwater measurement work are avoided.
Owner:THE 5TH ENG MBEC

Liftable track bridge EMU bottom maintenance training platform

The invention provides a lifting type railway-bridge motor-train-unit bottom practical training platform, and relates to a maintenance platform. The lifting type railway-bridge motor-train-unit bottom practical training platform comprises a railway bridge, lifting systems and pits, the railway bridge comprises a steel rail and a steel structure strut which are used for bearing a motor train unit, the steel structure strut comprises a rectangular frame and a plurality of hollow columns which are fixed to the bottom of the rectangular frame, the top of the rectangular frame is connected with the steel rail through elastic strip fasteners, the bottom of the rectangular frame is connected to the tops of the columns, and the bottoms of the columns stretch into the pits respectively; the stretching end of each lifting system is located in the corresponding column and connected to the top of an inner hole of the corresponding column. According to the lifting type railway-bridge motor-train-unit bottom practical training platform, the steel structure strut can be driven to go up and down through the lifting systems, and therefore lifting of the railway bridge and the motor train unit is achieved, inspection requirements of traveling components of the motor train unit can be met conveniently, and not only can the problem that a teacher cannot train multiple students because an existing underbody maintenance trench space at the bottom of the motor train unit is small be solved, but also production-line maintenance machinists can be trained.
Owner:LIUZHOU RAILWAY VOCATIONAL TECHN COLLEGE

A kind of prestressed stretching device and using method of fiber cloth

The invention relates to a prestress tensioning device and use method of fiber cloth. Two ends of a supporting rod are fixedly connected with steel members through base plates, a hydraulic jack is fixed between one end of the supporting rod and one base plate, and two mutually-parallel rolling shafts are arranged on each steel member. According to the use method, the fiber cloth is wound around the rolling shafts by one circle, a lap joint length is reserved, clamping pieces are used for conducting firm clamping on the lap joint area of the fiber cloth, pressurization is carried out on the hydraulic jack, the prestress tensioning device and the fiber cloth are jointly lifted to the portion which needs reinforcing, and the construction operation of pasting the high-strength fiber cloth can be carried out. The prestress tensioning device and use method of the fiber cloth has the advantages of being simple and skillful in structure, being not limited by the field, easy to construct and capable of fully developing a strength value of the high-strength fiber cloth, adopting the mode that the jack is internally arranged to exert expansive force, and achieving the aim of exerting prestress due to the fact that the high-strength fiber cloth wound on the rolling shaft is lengthened through the rolling shafts arranged on the end portions.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Master-slave nodes and alignment method based on wireless ultraviolet light communication system

The invention discloses a master-slave node based on a wireless ultraviolet light communication system. The structure of the master-slave node is the same, and the bottom is driven by a motor to rotate in reverse at a differential speed. There are two sets of ultraviolet emitting LEDs, and two sets of ultraviolet receiving photomultiplier tubes are respectively installed on the other pair of sides; the bottoms of the sides where the ultraviolet emitting LEDs are located are respectively equipped with access ports, and the bottoms of the sides where the ultraviolet receiving photomultiplier tubes are located are respectively installed with output ports. port, and a high-voltage base is also installed on the inner base of the square housing. The present invention has a simple and smart structure, and is easy to make. The black acrylic board is used, so the shading performance can be guaranteed and unnecessary interference can be reduced; the angle module is removed, the design becomes simplified, and the program part becomes simpler because of the advantages of the hardware design. The setting of the quasi-judgment standard is also simplified, and the master-slave nodes can be aligned more precisely according to the conditions of the receiving end.
Owner:XI'AN POLYTECHNIC UNIVERSITY
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