56results about How to "With rotational freedom" patented technology

The present invention discloses a two-dimensional rapid control reflector. The two-dimensional rapid control reflector comprises a lower housing, an upper housing and a base plate. A plurality of driver sets are uniformly arranged in the lower housing; each driver set comprises one displacement amplification mechanism and one piezoelectric ceramics driver arranged on each displacement amplification mechanism; one resistance strain gage is bonded at the outer surface of each piezoelectric ceramics driver; each displacement amplification mechanism is connected with one ball head in a fastening mode; each ball head is located at the upper surface of each piezoelectric ceramics driver; each displacement amplification mechanism is connected with one rocker panel through one flexible hinge; eachrocker panel is provided with one flexible support plate; the top ends of the rocker plates are fixed with a reflector through reflector bonding blocks; and the reflector is located above the flexible support plates. The piezoelectric ceramics drivers are employed to drive two-level lever-type displacement amplification mechanisms, the amplification multiple is large and can reach 6-10 times, thepiezoelectric ceramics drivers drive the driver sets, and therefore, the output is large, the response is fast, the resolution is high, and it is easy to improve the control bandwidth of a device.

The invention discloses a roller brush fast dismounting and mounting device and a cleaning instrument thereof. The roller brush fast dismounting and mounting device comprises an ejection device and a position limiting device, wherein the ejection device exerts axial ejection elastic force on a roller brush; the position limiting device converts the elastic force into elastic potential energy and limits the axial displacement of the roller brush; the ejection device comprises an ejector pin and a pressure spring; the ejector pin is arranged inside an axial blind hole formed in one end of the roller brush; the ejector pin is provided with a flange; the pressure spring exerts axial elastic force on the ejector pin through abutting the flange; an ejector pin press plate for limiting the ejector pin to be disengaged from the blind hole is arranged in the opening position of the blind hole; one end of the roller brush is connected with a bearing seat; the roller brush has the rotating degree of freedom for rotating around the self axial line relative to the bearing seat; the position limiting device is provided with a release key with a projected part and a bearing seat with a position clamping groove; the projected part is matched with the position clamping groove. By using the device, the dismounting or the mounting of the roller brush can be realized only through one step; the cleaning of the roller brush is convenient; the roller brush mounting and dismounting efficiency is further improved; the operation environment is improved.

The invention provides a self-resetting deformation compatibility floor slab joint structure. The self-resetting deformation compatibility floor slab joint structure comprises steel beams, steel columns, connecting units and self-resetting units; the steel beams are fixedly connected to the side parts of the steel columns through the connecting units at intervals and then form floor slab joints; and the two ends of the self-resetting units are correspondingly fastened between the steel beams and the steel columns, and axial recovery resistance to the floor slab joints is formed through the hysteresis characteristic of the self-resetting units. According to the self-resetting deformation compatibility floor slab joint structure, a shape memory alloy ring spring mechanism with the overload protection characteristic is utilized to provide self-resetting driving force and energy dissipation capability for the joints, and deformation compatibility between the joints and a structure system is further ensured through reasonable structural design.

The invention discloses an anti-sliding texture detector for a highway surface. The detector comprises a box body, a traction apparatus, a traction hook, a shock absorber, detection components, a processor, a flat-panel display, a front guide wheel and a rear axle system, wherein the traction apparatus of the detector is hinged with the box body; the traction hook can be installed according to the traction requirements; the bottom of the box body of the detector is provided with the front guide wheel and the rear axle system; the rear axle system can be divided into a dual-wheel system and a multi-wheel system according to the quantity of the detection components. Vibration response generated by rigid universal rolling wheels of the detection components during rolling on the road surface is received by an electric vibration sensor which is connected with the detection components via bolts, and is transmitted to the processor through a signal line; the processor can convert a vibration spectrum in the vibration signal into a road-surface texture spectrum, calculates and stores the structure depth and structure density parameters; the friction coefficient is calculated by combining with the micro structure depth of coarse aggregate detected by an indoor test. Therefore, the anti-sliding texture detector is convenient to operate, stable in performance and low in construction cost, and a new choice is provided for highway engineering testing personnel.

The invention discloses a three-freedom-degree and four-freedom-degree parallel mechanism. The three-freedom-degree parallel mechanism comprises a movable platform and three parallel supporting rods, wherein the three supporting rods are respectively distributed on three corners of an equilateral triangle, a lifting block is installed on each supporting rod, and each lifting block is connected with the movable platform through a group of parallelogram mechanism. The four-freedom-degree parallel mechanism is further provided with a rotating freedom degree on the basis of the three-freedom-degree parallel mechanism. The three-freedom-degree and four-freedom-degree parallel mechanism has the advantages of simplifying positive solution and inverse solution calculation formulas, enables calculation to be fast and easy to control during actual application, improves corresponding speed of a device, improves working efficiency of the device, simultaneously enlarges the working space of the device and is wide in application range.

The invention relates to a flexible surgical tool system adopting constrained structure bones. The flexible surgical tool system comprises flexible surgical tool which comprises a flexible continuum structure formed by a far-end structure, a near-end structure and a middle connector; the far-end structure comprises far-end structure sections, and each far-end structure section comprises a far-end distance plate, a far-end fixed plate and one structure bone; the near-end structure comprises near-end structure sections, and each near-end structure section comprises a near-end distance plate, a near-end fixed plate and one structure bone; the middle connector comprises passage fixed plates and a structure bone guiding passage; the near-end structure sections are internally provided with the constrained structure bones, one end of each constrained structure bone is firmly connected with the corresponding passage fixed plate closed to the corresponding near-end structure section, the other end of each constrained structure bone is directly or indirectly connected with the corresponding near-end fixed plate, and the length of each near-end structure section remains unchanged when the near-end structure section turns.

The invention relates to a flexible operation tool system capable of passing through a natural orifice. The flexible operation tool system comprises a flexible operation tool and a driving unit, wherein the flexible operation tool comprises a flexible continuum structure composed of a far-end structure body, a near-end structure body and a middle connecting body, the far-end structure body comprises a far-end structure joint, the far-end structure joint comprises a far-end distance plate, a far-end fixed plate and a structure skeleton, the near-end structure body comprises a near-end structure joint, the near-end structure joint comprises a near-end distance plate, a near-end fixed plate and a structure skeleton, the middle connecting body comprises a channel fixing plate and a structure skeleton guiding channel, the driving unit comprises a driving unit fixing plate, multiple driving shafts are rotatably supported between the driving unit fixing plate and the channel fixing plate close to the near-end structure joint, a mooring rope pulling mechanism is arranged at the front end of each driving shaft and is in fastened connection with a mooring rope fixing block by penetrating through the near-end distance plate and the mooring rope of the near-end fixed plate, the mooring rope fixing block is in fastening connection with the near-end fixed plate, and the length of the mooring rope located in the near-end structure joint is changed through the mooring rope pulling mechanisms when the driving shafts rotate.

A cigarette packing system comprises a plurality of reconfigurable modules (100). Each module includes tooling for performing a section of the packaging process. Product is transferred between modules by robots (110) mounted on the modules and controlled from individual modules. Interface protocols between modules control transfers between modules. The product may be transferred with or without a carrier between modules. The modules may be reconfigured for a different assembly process and modules added or removed. Process specific tooling maybe changed. Reconfigurable modules reduces the time and cost of changing to a different packaging process.

The invention provides an internal and external thread grinding machine capable of realizing in-situ modification of a grinding wheel. An A-shaft rotary table (10) is arranged on a rotary table base (11); the A-shaft rotary table (10) can rotate on the rotary table base (11); a rotating shaft is defined as a shaft A and rotates in the X-axis direction; a large-diameter grinding wheel can be installed on a grinding wheel headstock (6); angle adjustment of the large-diameter grinding wheel or a small-diameter grinding wheel is achieved through the rotating shaft A; a shakable angle dresser (8) is fixed to the side surface of a workpiece headstock (4) and is used for generating a certain oscillation angle; the shakable angle dresser (8) consists of a rolling wheel rotating mechanism (81), anoscillation angle guide mechanism (82) and an angle driving mechanism (83); the oscillation angle guide mechanism (82) and the angle driving mechanism (83) are both installed at the side surface of the workpiece headstock (4); the rolling wheel rotating mechanism (81) is installed on the oscillation angle guide mechanism (82); the angle driving mechanism (83) can be used for driving the oscillation angle guide mechanism (82) to rotate; and the rolling wheel rotating mechanism (81) can be used for trimming a large-diameter grinding wheel installed on the grinding wheel headstock (6) or a small-diameter grinding wheel installed on an inner grinding head component (12) to realize in-situ modification of the grinding wheel.

The invention discloses a mechanical arm and a table tennis robot comprising the mechanical arm, and relates to the technical field of robots. The mechanical arm comprises a first drive joint, a second drive joint, a third drive joint, a fourth drive joint, a fifth drive joint and a tail end actuator, the first drive joint is connected with the second drive joint, the second drive joint is connected with the third drive joint, the third drive joint is connected with the fourth drive joint, and the fourth drive joint is connected with the fifth drive joint; and the tail end actuator is mountedon an output shaft of the fifth drive joint, each of the first drive joint, the third drive joint, the fourth drive joint, and the fifth drive joint has the rotational degree of freedom, and the second drive joint has the telescopic degree of freedom. The table tennis robot includes the mechanical arm and a linear motion module, the batting range is wide, the movement speed is high, and the batting speed is high.

The invention relates to the technical field of machining, in particular to a rotating mechanism for laser cutting. The rotating mechanism for laser cutting mainly comprises a first mounting table, agear ring, a connecting mechanism, a second mounting table, a third mounting table, a first transmission shaft, a first refractor, a second refractor, a second transmission shaft and a laser cutting head, wherein a first-stage rotating mechanism is composed of the first mounting table, the connecting mechanism and the second mounting table, a second-stage rotating mechanism is composed of the third mounting table, the first transmission shaft and the second transmission shaft, and the laser cutting head is enabled to have two rotational degrees of freedom through the two stages of rotating mechanisms; and laser is transmitted to the laser cutting head through the first refractor, the second refractor and the second transmission shaft of a hollow shaft structure. By means of the rotating mechanism for laser cutting, multi-angle laser cutting can be conducted on a non-metal machined part, the production efficiency is improved, and the machining quality can be guaranteed.

The invention provides a trans-cavity surgical robot operating arm system, a robot and a method. The trans-cavity surgical robot operating arm system comprises a driving module and an axial transmission module, the axial transmission module comprises a quick change mechanism, the quick change mechanism is provided with a clamping structure and a cavity, a transmission shaft capable of moving in the radial direction is arranged in the cavity, and the transmission shaft has the axial rotation freedom degree when moving to a set area. the driving module comprises a connecting piece matched with the transmission shaft and a clamping piece matched with the clamping structure, and the transmission shaft is moved to the set area through the connecting piece to achieve matched connection for transmission; the clamping piece is matched and connected with the clamping structure, so that quick disassembly and assembly are realized; different devices can be rapidly replaced in the operation process, the clamping mechanism is arranged, the axial transmission part can be tensioned and cannot be loosened, and the transmission precision is improved; the robot operating arm system has overall movement and rotation freedom degrees and is compact in structure, so that the size of a driving device is reduced; and the phenomena of loosening, over-tightening and the like in the movement process are prevented.

The invention relates to a bolting device having two bolts which are held rotationally secure and coupled to each other via a spindle element, wherein: a first bolt is connected via a threaded engagement to a corresponding thread of the spindle element; rotating the spindle element about its central longitudinal axis causes the first bolt to move along the longitudinal axis; and a second bolt is rotationally mounted on the spindle element in a fixed axial position. The invention also relates to a crane jib head comprising such a bolting device, for bolting a lattice masthead to a head adaptor.

The invention provides a rotary suction nozzle device. The rotary suction nozzle device comprises a support and a rotating rod; the support is fixedly arranged, and the rotating rod penetrates the support along a vertical direction; a motor for driving the rotating rod to rotate is arranged above the rotating rod, a first guide rail is vertically arranged at a left side of a lower part of the rotating rod, and a second guide rail is vertically arranged at a right side of the lower part of the rotating rod; a first slide block is slidingly arranged on the first guide rail, a first bracket is arranged on the first slide bock, and a first suction nozzle is arranged at the bottom of the first bracket; a second slide block is slidingly arranged on the second guide rail, a second bracket is arranged on the second slide bock, and a second suction nozzle is arranged at the bottom of the second bracket; by arranging the rotatable rotating rod and arranging the first bracket and the second bracket at two sides of the rotating rod, the suction nozzle device can be rotated after being driven by the motor, and then the first suction nozzle and the second suction nozzle have the rotational freedom when satisfying the crystal-taking and crystal-fixing work, and the problem that the suction nozzles are hard to rotate and adjust is solved.

A hinge connector for foldable electronic device containing first shell, second shell, first electronic unit in first shell and second electronic unit in second shell, said hinge connector containing hollow first axle component, hollow second axle component, frame component and flexible conductive element, second shell can rotate around two axles of first shell, the first and second electronic units are electrically connected, in operation process the part of flexible conductive element located in first and second axle component is twisted without bending.

The invention discloses an intelligent reconfigurable transmission belt control method and system. The control system comprises a plurality of conveyor belt unit modules connected in an adjacent mode,the conveyor belt unit modules comprise bottom positioning supporting plates, the edges of the bottom supporting plates are connected to shells of the conveyor belt unit modules through a plurality of supporting columns, and a main control chip board is erected on the middle part of the supporting columns; the control method comprises the steps of graphics-based motion path planning and teaching-based path planning, motion commands of motor motion are generated from the path information and transmitted to corresponding motor drivers, and then corresponding motion commands are executed. The intelligent reconfigurable transmission belt control method and system can solve the problem of inconvenient multi-channel transportation of bulk goods in the prior art, can change the transmission direction and path by repeatedly programming, is high in degree of freedom, low in cost, high in efficiency and wide in application range, and can meet the requirements for dynamic change in the flexiblemanufacturing production process.

The invention discloses a universal bracket for assembling inertial measurement device, which comprises an installation base plate assembly (1), a first guide rail (2), a second guide rail (3), a third guide rail (4), a fourth guide rail (5) and assembly supporting columns (6). According to the universal bracket, stable supporting is conducted by means of the assembly supporting column (6), meanwhile, size selection is conducted through sliding of the guide rail positions, the universal bracket supports the inertia measurement device with matched size, solves the problems that inertia measurement devices are different in shape and variable in surface conditions and are not easy to support, and facilitates an assembler to rotate the bracket to enable a to-be-assembled part to be correct andstable all the time.