25 results about "Parallel motion" patented technology

The invention relates to a method for achieving edge cutting and edge feeding for a four-chuck laser pipe cutting machine. The method comprises the following steps that the zero-tailing posture is switched; executing a process pile after zero tailing posture switching; zero-tailing posture cutting is carried out; and blanking is executed. The invention further relates to a device for achieving edge cutting and edge feeding for the four-chuck laser pipe cutting machine, a processor and a computer readable storage medium of the processor. By the adoption of the method and device for achieving feeding while cutting for the four-chuck laser pipe cutting machine, the processor and the computer readable storage medium of the processor, the machining time can be shortened and the batch production efficiency can be improved for parallel motion control over the feeding action and the cutting action.

The invention relates to a clamp for use in manufacturing automobile bodies for the automotive industry that is used to clamp and hold metal plate components in place. It is demonstrated how a parallel movement of a pivotal clamping lever is defined with just one component, using simple means.

The automatic ship mooring device based on the parallel mechanism comprises a plurality of sets of mooring working units arranged in the length direction of a ship body, and each set of mooring working unit comprises a base fixedly installed on a wharf and a suction cup connecting mechanism used for being connected with a ship in an adsorption mode. Four parallel motion branch chains are connected between the base and the suction cup connecting mechanism, so that the suction cup connecting mechanism has the freedom degrees of three-dimensional movement and rotation around one shaft, and the four parallel motion branch chains are subjected to cooperative telescopic control through an arranged controller to achieve mooring buffering; the four parallel motion branch chains comprise a first UPU branch chain, a second UPU branch chain, a first SPU branch chain and a second SPU branch chain. Compared with the prior art, the method can actively adapt to and compensate the complex motion of the ship, and has the advantages of low control difficulty, high control precision and high reliability.

To provide a universal caster capable of suppressing resistance generated when a wheel and a fork turn, and to provide a suitcase, a wheeled bag, a wheeled chair, and a carriage including the universal caster.SOLUTION: The universal caster 10 has a wheel 11 rolling on a traveling surface and a fork 13 supporting an axle 12 to which the wheel 11 is attached, and is attached to an external unit U. The fork 13 is turnable with respect to the turning body 14, the turning axis P which is the turning center of the turning body 14 with respect to the external unit U and the turning axis Q which is the turning center of the fork 13 with respect to the turning body 14 are non-parallel to each other, and become non-perpendicular to each other when the turning axis P is brought into contact with the turning axis Q by the parallel movement of the turning axis P.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of light-weight machining equipment, and particularly relates to a light-weight compact double-rotor common-rail parallel movement mechanism. A light-weight compact double-rotor common-rail parallel movement mechanism comprises a motor rail, a common-rail motor set, a cutter installation assembly and a connecting assembly, the cutter installation assembly is installed on the common-rail motor set through the connecting assembly, the common-rail motor set is movably connected to the motor rail, and the common-rail motor set comprises at least two common-rail motors. Each common rail motor is connected with the connecting assembly; the utility model provides a light-weight compact double-rotor common-rail parallel movement mechanism, and aims to solve the problems of a multi-rotor movement mechanism in the prior art in the aspects of structural complexity, weight, space utilization, expansibility and the like.

The invention relates to the technical field of magnetic micro-robot driving and control, in particular to a hybrid robot system for flexibly driving a magnetic micro-robot and a control method thereof.The hybrid robot system comprises a hybrid robot and a control system.The hybrid robot comprises a mechanical arm, and the output end of the mechanical arm is connected with a magnetic control driving assembly; the magnetic control driving assembly comprises a six-degree-of-freedom parallel motion platform assembly, the output end of the six-degree-of-freedom parallel motion platform assembly is connected with a movable joint, and the output end of the movable joint is detachably connected with a permanent magnet assembly; the control system comprises a man-machine interaction device, an integrated control module, a measurement module and an image acquisition module. The six-degree-of-freedom series mechanical arm, the six-degree-of-freedom parallel motion platform and the rotary joint are ingeniously combined together, so that the hybrid robot has high control precision and high operation flexibility while having a large working space, and a larger driving area and more flexible operation can be provided for a magnetic micro robot.

This invention relates to the field of parallel motion platform technology for flight simulation, and discloses a multi-degree-of-freedom flight simulation motion platform and its control method. The flight simulation motion platform includes a base and a motion platform. The motion platform is connected to the base through three evenly arranged motion mechanisms. Each motion mechanism includes a support seat, an inverted U-shaped support arm, a rotating shaft, a drive assembly, and a precision control assembly. A connecting seat is vertically fixed at the upper end of the inverted U-shaped support arm. Three corresponding inverted U-shaped seats are evenly fixed on the lower surface of the motion platform. A fixing rod is horizontally fixed inside each inverted U-shaped seat, and the fixing rod is connected to the inverted U-shaped seat through a ball joint. The multi-degree-of-freedom flight simulation motion platform proposed in this invention exhibits good motion continuity, good simulation of continuous flight motion states, and excellent accuracy and stability.

The utility model relates to a part fast relative measuring device for a machining production line, the part fast relative measuring device for the machining production line comprises a rack, a parallel motion mechanism, a measuring mechanism and a workpiece pick-and-place mechanism, the rack is provided with a pick-and-place table, the workpiece pick-and-place mechanism is arranged on the pick-and-place table, the parallel motion mechanism is arranged on the rack, and the measuring mechanism is arranged on the rack. The measuring mechanism is located above the workpiece taking and placing mechanism, the measuring mechanism is arranged on the parallel movement mechanism, the workpiece taking and placing mechanism is used for placing workpieces, and the parallel movement mechanism is used for driving the measuring mechanism to move so as to measure the workpieces. According to the utility model, through the cooperation of the parallel movement mechanism, the measuring mechanism and the workpiece taking and placing mechanism, the rapid and accurate measurement of the workpiece is realized, the conventional workpiece measuring equipment is replaced, and the convenience and the measuring precision of the workpiece measurement are improved.

This application relates to the field of materials processing technology, providing a method for processing material mechanical fatigue performance specimens. The method includes: fixing multiple specimens in a clamping position of a processing device; winding water-softened sandpaper onto a grinding rod to form a cylindrical structure for grinding; reciprocating parallel motion of the cylindrical rod along the longitudinal direction of the specimen, removing machining marks from the specimen surface through friction between the cylindrical rod surface and the working surface of the specimen; uniformly applying polishing paste to the surface of the specimen after the above steps, and using degreased cotton or an equivalent flexible medium to drive the polishing paste to rub against the specimen surface, using the abrasive in the polishing paste to precisely grind the specimen surface until a mirror finish and predetermined dimensions are obtained. This method completely changes the traditional method's limitations of processing specimens individually, resulting in low efficiency and difficulty in ensuring consistency. It is particularly suitable for research scenarios requiring the preparation of large quantities, repetitive, and high-quality specimens, shortening the preparation cycle by several times.

The invention belongs to the technical field of multi-degree-of-freedom motion training platforms, and particularly relates to a six-degree-of-freedom self-collaborative parallel motion training platform and a control method thereof. The practical training platform comprises the following parts: a lower supporting plate frame used for supporting and connecting, an upper moving plate frame used as an actual equipment or equipment mounting area, a limiting frame used for protecting and supporting, and a parallel electric cylinder used for realizing input and output control. The device is used for providing the functions of platform vibration and swing and the like according to the marine application environment in the marine equipment practical training simulation process so as to simulate the real states of various marine equipment in the ship and other use environments, so that trainees can complete the operation and use of the equipment under the condition closer to the real environment background, and the adaptability of the trainees in the real environment is improved.

The utility model provides a parallel movement mechanism for a measuring head sensor of a precision measuring instrument, and belongs to the field of precision measurement. The utility model aims to improve the stability of a parallel movement mechanism and ensure the accuracy of precise measurement results. The device comprises a moving mechanism fixed plate, a bowl-shaped bearing, a rolling shaft and a moving mechanism movable plate, the whole movement mechanism fixing plates are of an I-shaped structure, the two movement mechanism fixing plates are arranged in parallel, and bowl-shaped bearings are arranged on the inner sides of the ends of the movement mechanism fixing plates. The two moving mechanism movable plates are arranged in parallel and define a rectangle with the moving mechanism fixed plate, and the two ends of the rolling shaft are of conical structures and penetrate through the moving mechanism movable plates to be connected with the bowl-shaped bearings. According to the utility model, the problem that a traditional elastic leaf spring generates resilience force due to deformation and is superposed with measuring force is solved, the novel mechanism is matched with the double-tip rolling shaft through the bowl-shaped bearing, the elastic resilience force is eliminated, the measuring force is only determined by external loading, the dynamic interference of the structure of the mechanism on the measuring force is avoided, and the stability and controllability of the measuring force are ensured.

The application discloses a parallel platform and a control method thereof, and relates to the technical field of ship and ocean engineering. The control method comprises the following steps: predicting a pose error of a floating platform caused by sea state disturbance at a next moment as a sea state disturbance error by using a pre-set sea state disturbance error prediction model according to historical monitoring results of sea state disturbance parameters; obtaining an error of a current pose of the floating platform relative to a target pose of the floating platform as a current tracking error; and controlling a parallel motion branch to adjust the floating platform according to the target pose, the predicted sea state disturbance error at the next moment and the current tracking error, so that the pose of the floating platform at the next moment is maintained in a neighborhood of the target pose. The application can improve the stability of the aircraft in the sea state of the marine environment.

This utility model relates to the field of mechanical feeding technology and discloses a clamping device for cyclic feeding, including: a working surface, an upper clamp, and a lower clamp. The upper clamp is positioned above the lower clamp, and both clamps repeatedly move towards the working surface. The movement trajectories of the upper and lower clamps are parallel. The lower clamp can rise and fall along its own movement trajectory to either descend and avoid the upper clamp or rise to the same height as the upper clamp. The parallel movement trajectories of the upper and lower clamps ensure stable feeding and prevent material deviation. The lifting function of the lower clamp allows the two clamps to operate in a staggered manner within a limited space, reducing the equipment's footprint while enabling alternating feeding modes, thus forming a continuous workflow, improving clamp feeding efficiency, effectively reducing the frequency of manual intervention, and improving production cycle consistency.

The object of the present invention is to provide a seam opening device that has a simple structure, minimizes fabric stretching, and facilitates fabric transport. [Solution] The seam opening mechanism 14 consists of a seam opening rod 15, a pair of motor-driven feed belts 16, a pair of driven feed belts 17, a pair of ribs 18, and a guide groove 19. The motor-driven feed belts 16 are positioned at the tip of the arm 2, flanking the seam opening rod 15 on either side, and are driven in the longitudinal direction S of the seam when the motor is driven. The driven feed belts 17 are positioned as a pair at the tip of the cylinder 3, flanking the guide groove 19, and are capable of being driven parallel to the longitudinal direction S of the seam. The ribs 18 gradually increase in height from the frontmost position over a predetermined length in the front-to-back direction, allowing for smooth insertion of the fabric 13. When the fabric 13 has thick sections such as steps, the upper end of the seam opening rod 15 retracts upward, preventing jamming when transporting the fabric.

The utility model discloses a kind of RH furnace slag breaker, including slag breaking support, four-bar linkage, slag breaking lance and linear power device;The four-bar linkage includes first connecting rod and second connecting rod, the first connecting rod and second connecting rod are arranged in parallel, and the first connecting rod is arranged above the second connecting rod with interval, one end of the first connecting rod, second connecting rod is respectively with the two places of the slag breaking support through horizontal shaft hinged, the other end of the first connecting rod, second connecting rod is respectively with the two places of the rear upper section of the slag breaking lance through horizontal shaft hinged, the slag breaking lance is in the inclined posture of upper end rear, lower end front;The linear power device is arranged at the top in the slag breaking support, one end is with the slag breaking support through horizontal shaft hinged, the other end is with the first connecting rod through horizontal shaft hinged.Drive four-bar linkage with linear power device, utilize the parallel motion characteristics of four connecting rods, ensure that slag breaking lance impacts slag layer with certain angle, avoid lateral deviation, make slag breaker run stably and reliably.

This invention discloses a spatial six-degree-of-freedom parallel precision motion platform based on a two-axis flexible hinge, comprising a moving platform, a fixed platform, and multiple drive modules. Each drive module consists of a driver and a two-axis flexible hinge. The driver provides linear displacement, and the elastic deformation of the two-axis flexible hinge achieves complete decoupling from the motion platform. The drive modules are divided into longitudinal drive modules and transverse drive modules. All components are connected by screws. The moving platform is fixedly connected to each drive module by screws. By energizing the drivers in each drive module, the desired motion is achieved and transmitted to the moving platform, realizing the movement of the moving platform in six degrees of freedom. Each drive module in this invention is directly or indirectly fixedly connected to the fixed platform at the bottom, forming a parallel motion platform capable of high-precision movement along the corresponding strokes in the X, Y, and Z directions, as well as precise rotation around the X, Y, and Z axes.

The utility model discloses an opening and closing structure for a rocking cover in a smoke box, which comprises a mounting frame movably provided with an opening and closing component. The opening and closing assembly comprises a first movable part, a second movable part and a first driving piece, and the first driving piece drives the first movable part and the second movable part to move relatively in parallel; the first movable part and the second movable part are each provided with an opening and closing element, and each opening and closing element comprises a second driving piece and an opening and closing piece arranged at the rotating end of the second driving piece. The opening and closing piece comprises a first sliding pair arranged at the end of the second driving piece and an adsorption piece arranged at the sliding end of the first sliding pair, and the sliding end of the first sliding pair slides in the rotating tangential direction of the rotating end of the second driving piece. The first movable part and the second movable part firstly abut against the two sides of the smoke box, so that the opening and closing assembly is accurately positioned at the inner rocking cover, and the inner rocking cover of the smoke box is accurately opened.

Arrangement for measuring a measuring object (10), in particular for determining the coordinates of the measuring object (10), wherein the arrangement comprises the following: - a motion device (3, 4; 23, 4; 33, 34) configured to move a sensor (7; 27; 37) held on the arrangement during operation of the arrangement and configured to detect the object being measured (10), relative to the object being measured (10), - an actuator device (8; 38; 48; 58; 68; 71) via which the sensor (7; 27; 37) is coupled to the motion device (3, 4; 23, 4; 33, 34) during operation of the arrangement and which is designed to at least partially compensate for vibrational movements of the sensor (7; 27; 37), - a vibration measuring device (9) designed to generate information about vibrations of the arrangement and / or the sensor (7; 27; 37) by measuring at least one measured quantity, - a control device (19) which is connected to the vibration measuring device (9) and the actuator device (8; 38; 48; 58; 68; 71) and which is configured to control the actuator device (8; 38; 48; 58; 68; 71) in such a way that the vibration movements of the sensor (7; 27; 37) are at least partially compensated, wherein all moving parts of the arrangement, which serve to move the entire sensor (7; 27; 37) relative to the object being measured, are coupled to the sensor (7; 27; 37) via the actuator device (8; 38; 48; 58; 68; 71), characterized by the fact that the actuator assembly (8; 38; 48; 58; 68; 71) has a plurality of motors (41) and wherein each of the motors (41) can be controlled independently of any other motor (41) or motors (41) of the actuator assembly (8; 38; 48; 58; 68; 71) by the control unit (19), a plurality of the motors (41) are configured and arranged to each generate a movement with respect to a single linear degree of freedom of the movement and thus along a linear axis of motion of the motor (41), and the linear axes of motion of at least two motors (41) of the actuator assembly (8; 38; 48; 58; 68; 71) are parallel to each other, wherein each of the motors (41) with parallel axes of motion is coupled to the motion assembly (3, 4; 23, 4; 33, 34) via a first coupling element (5; 45; 55; 65) and is coupled or can be coupled to the sensor (7; 27; 37) via a second coupling element (6; 36; 46; 56; 66), and wherein the first coupling element (5; 45; 55; 65) or the second coupling element (6; 36; 46; 56; 66) each is rotatably coupled to the motors (41) with parallel axes of movement via a joint (4; 42; 62).

This utility model discloses a flexible ball joint hinge and a parallel motion platform, belonging to the field of precision mechanical design. The flexible ball joint hinge includes a base, an end effector, and a flexible connecting assembly. The flexible connecting assembly includes three intermediate nodes and multiple tetrahedral units. These tetrahedral units are respectively connected between the base, the end effector, and each intermediate node to form a flexible force transmission path between the base and the end effector. A predetermined connection relationship is formed between the base, the end effector, and the three intermediate nodes. The base and the end effector are not directly connected through a single tetrahedral unit, but rather through at least one intermediate node to achieve force and motion transmission. Each tetrahedral unit consists of three trapezoidal leaf springs with connected sides, and all units share a common rotation center. This utility model achieves frictionless, large-stroke, and high-rigidity spherical deflection motion, helping to reduce axis drift problems and is suitable for high-precision parallel positioning platforms.

The invention discloses automatic wine shaking equipment for simulating manual wine shaking and a control method of the automatic wine shaking equipment, and belongs to the field of automatic wine mixing equipment. The core innovation of the invention lies in that double motors are adopted for driving, and a reciprocating motion track which is similar to a professional wine shaking action and has a specific acceleration characteristic is synthesized in a two-dimensional plane based on a gear-T-crank-rocker composite parallel motion mechanism, so that wine liquid is mixed more fully. The speed reduction function and the transmission function are integrated through the eccentric gear system, the structure is compact, and cost and noise are reduced. According to the invention, the whole-course automation of the bartending process is realized, the track is accurate and controllable, the operation is simple and convenient, the shaking and meeting requirements of different wines can be met through a preset mode, and the quality and experience of family bartending are remarkably improved.

The unmanned helicopter rotor force test experiment table belongs to the field of aviation and is used for verifying the accuracy of the mathematical model between the blade angle and the rotor force. The unmanned helicopter rotor force test experiment table is composed of an unmanned helicopter, a pipe clamp, a six-degree-of-freedom parallel motion platform, a tension and compression force sensor and a linear slide table. The force of the six supporting legs of the six-degree-of-freedom parallel motion platform is obtained through the tension and compression force sensor, and the rotor force and the moment are calculated accordingly. The attitude control of the six-degree-of-freedom parallel motion platform is realized by controlling the motion of the linear slide table, so that the experiment table can measure the rotor force of the unmanned helicopter under different attitudes. The whole unmanned helicopter is fixed on the six-degree-of-freedom parallel motion platform for experiment, so that the experiment operation is simple and convenient, and the six-rotor force experiment of the main rotor and the tail rotor can be carried out.

The invention discloses a friction stir additive manufacturing device for a high-speed train brake disc and a using method of the friction stir additive manufacturing device. The friction stir additive manufacturing device comprises a disc body fixing mechanism, a motion executing mechanism and an additive mechanism. The disc body fixing mechanism comprises a base, a main cylinder and a disc body clamping device; the disc body clamping device comprises a circular bottom plate and clamping jaws evenly distributed on the periphery of the circular bottom plate. The circular bottom plates are symmetrically fixed at two ends of the main cylinder; the motion executing mechanism comprises a vertical motion unit, a parallel motion unit and a vertical motion unit; the material adding mechanism is of a cylindrical structure provided with a material adding cutter and is installed on the motion executing mechanism. The two circular bottom plates on the two sides of the supporting base are arranged in a mirroring mode, and the two movement executing mechanisms and the material adding mechanisms are arranged in a mirroring mode. The problems that a traditional device for manufacturing the high-speed train brake disc through friction stir additive manufacturing has high rigidity requirements for an equipment rack and a fixing mechanism and is low in production efficiency are solved, residual stress deviation control over the brake disc is achieved, hardness fluctuation is reduced, and flatness errors are reduced.

To provide a solid-liquid separation apparatus that can significantly improve the recovery of solids while performing solid-liquid separation normally. [Solution] A solid-liquid separation device 60 comprising a fixed plate group, a movable plate group, and a driving means 9, wherein a filtration unit 8 transports solid matter by parallel motion while allowing moisture from the object to be processed to fall through the gaps between the plate groups, the filtration unit 8 taking the first and third modes in which the overlap amount of each plate group is smallest and the second and fourth modes in which the overlap amount of each plate group is largest, a supply means 61 for supplying the object to be processed to the filtration unit 8, an upper limit detection means 62 for detecting the upper limit position of the object to be processed, a lower limit detection means 63 for detecting the lower limit position of the object to be processed, and a control means 65.

To provide a two shaft four rudder small unmanned ship capable of easily performing direction control and speed control, and performing ship position holding ship operation with high fixed point holding performance in a low speed area.SOLUTION: The ship maneuvering control device 201 includes a parallel movement ship maneuvering unit 205 that moves the ship body in parallel in an arbitrary direction by combining the acting direction of the thrust of the starboard side thrust system 101a and the acting direction of the thrust of the port side thrust system 101b in the low speed area ship maneuvering. The ship maneuvering control device 201 controls the directions of the propeller slipstream of the propulsion propeller 100a and the 100b.SELECTED DRAWING: Figure 6