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1049 results about "Linkage (mechanical)" patented technology

A mechanical linkage is an assembly of bodies connected to manage forces and movement. The movement of a body, or link, is studied using geometry so the link is considered to be rigid. The connections between links are modeled as providing ideal movement, pure rotation or sliding for example, and are called joints. A linkage modeled as a network of rigid links and ideal joints is called a kinematic chain.

Numerical control machine tool dynamic precision control method and system based on multi-axis linkage error compensation

The invention provides a numerical control machine tool dynamic precision control method and system based on multi-axis linkage error compensation, and relates to the technical field of mechanical manufacturing, and the method comprises the steps: collecting shaft system motion parameters and real-time cutting load parameters of a multi-axis numerical control machine tool in a linkage machining process in real time; shafting motion parameters comprise displacement, speed and acceleration of each feed shaft, and cutting load parameters are obtained through inversion of main shaft current and servo driving torque; calculating a dynamic following error of each feed shaft in a linkage state based on the shaft system motion parameters; and carrying out load coupling correction on the dynamic following error by fusing real-time cutting load parameters to obtain an initial multi-axis linkage dynamic error. According to the invention, real-time precision control in the high-dynamic machining process can be realized.
Owner:GUANGZHOU CITY POLYTECHNIC

Special fixture for robot welding pipeline flange displacement

The invention discloses a robot welding pipeline flange displacement special clamp, and relates to the technical field of ship manufacturing equipment, the clamp comprises a processing table, a welding mechanical arm, a placing mechanism, two groups of pipeline clamping mechanisms, two groups of flange fixing mechanisms, a traction mechanism, a rotating platform and three screw rod sliding tables; the placing mechanism is slidably mounted in the middle of the machining table through the rotating platform, and the two pipeline clamping mechanisms are symmetrically slidably mounted on the two sides of the placing mechanism and can synchronously move and clamp pipelines. The two flange fixing mechanisms are symmetrically arranged on the two sides of the containing mechanism and horizontally move through a lead screw sliding table. The traction mechanism is connected with the machining table through a lead screw sliding table and can lock / unlock the rotating platform and drive the containing mechanism to move. The welding mechanical arm is in linkage with the clamp and can conduct welding along the butt joint axis. Multi-degree-of-freedom posture adjustment of a pipeline and a flange can be achieved, a straight pipe and a 0-90-degree bent pipe are matched, it is guaranteed that welding is in a horizontal butt joint state all the time, and the welding quality and efficiency are improved.
Owner:YANGZHOU LONGHE SHIPBUILDING CO LTD

Dynamic thermal deformation compensation method of numerical control grinding machine

The invention discloses a dynamic thermal deformation compensation method for a numerical control grinding machine. The dynamic thermal deformation compensation method comprises the following steps that three-dimensional temperature field data of a mechanical head are obtained in real time through a distributed temperature monitoring unit; inputting the three-dimensional temperature field data into a numerical control grinding machine thermal deformation digital twin model, and predicting thermal deformation and spatial distribution of the mechanical head in a future time period through coupling temperature field-stress field-deformation field simulation calculation; and generating a compensation strategy according to the thermal deformation and the spatial distribution, driving the radiator to move to a thermal deformation sensitive area for directional heat dissipation, and adjusting the position and posture of the grinding head through a five-axis linkage system of the numerical control grinding machine to offset the predicted thermal deformation. A three-dimensional temperature field of the mechanical head is reconstructed in real time through the distributed temperature monitoring unit, and accurate real-time prediction of thermal deformation and spatial distribution is achieved; and meanwhile, a five-axis system is cooperated to pre-adjust the position and posture of the grinding head, and the thermal deformation restraining precision and the machining stability are remarkably improved.
Owner:HUANENG (SHANGHAI) POWER MAINTENANCE LLC

Gear deburring device and method

The invention relates to the technical field of machining equipment, in particular to a gear deburring device and method. The moving seat slides on the front side of the bottom frame, a two-way lead screw driven by a driving assembly is rotationally arranged between the inner walls of the moving seat, moving plates symmetrically slide on the moving seat, the front ends of the two moving plates are in threaded connection with one side of the two-way lead screw respectively, and a driving gear used for driving the gear body to rotate is arranged between the moving plates on the two sides; and the two cutters are respectively arranged at the tail ends of the two movable plates. The combination of the cutting knife, the steel wire brush and the grinding rod is adopted, accurate burr treatment is specially conducted on the two sides of the gear teeth, grooves between the teeth and the tooth surface, through the linkage design of the pushing rod and the moving rod, it is guaranteed that the steel wire brush and the grinding rod can be accurately positioned and work cooperatively, and unnecessary treatment area coverage is avoided; the whole burr removing process is more orderly and efficient, the smoothness of the tooth surface is guaranteed, and the problem of excessive loss possibly caused by using a large-range polishing wheel is solved.
Owner:XINXIANG TIANXIN NEW ENERGY MASCH CO LTD

Continuous automatic stamping equipment and stamping method

The invention discloses continuous automatic stamping equipment and a stamping method, and relates to the technical field of continuous automatic stamping, the continuous automatic stamping equipment comprises a stamping table, the outer wall of the top of the stamping table is fixedly connected with a top plate, and one side of the top plate is fixedly connected with a positioning table used for fixing when a stamping part is stamped; a positioning assembly is arranged at the top of the top plate, a hydraulic rod is fixedly connected to the top of the top plate, a fixing plate is fixedly connected to the output end of the hydraulic rod, a stamping head is fixedly connected to the outer wall of the bottom of the fixing plate, and a stamping groove matched with the stamping head is formed in the top of the stamping table. The outer wall of the top of the stamping table is fixedly connected with a sliding column. According to the continuous punching device, linear motion of the hydraulic rod is converted into gear transmission and swing of the swing rod through power coupling, impact is relieved through an elastic buffering structure, precise positioning, stable clamping and equidistant displacement of a punching part are achieved through mechanical closed-loop linkage, and high efficiency and stability of continuous punching are guaranteed.
Owner:JIANGSU DINGGONG ELECTRONIC TECH CO LTD

Humanoid robot leg four-bar mechanism design optimization method

The invention belongs to the technical field of link mechanism design algorithms, and particularly relates to a humanoid robot leg four-link mechanism design optimization method which comprises the following steps: simplifying a leg mechanical structure, and abstracting a mathematical model of a four-link mechanism; establishing a kinematic model of rotation of the four-bar mechanism, and calculating a rotation angle; analyzing kinematic characteristics of the four-bar mechanism in the rotating process; and establishing alternative schemes based on different combinations of the design parameters, and screening an optimal design scheme according to constraint conditions and dynamic characteristics. According to the method, a mathematical model for solving unique design parameters is not established, but a semi-empirical method is adopted, and an optimized design scheme is screened out by traversing possible combinations and analyzing dynamic characteristics one by one. According to the method, the multi-parameter model is established based on the four-connecting-rod mechanism, an optimization scheme is screened in combination with experience, the difficulty of establishing a complex model is reduced, the efficiency is improved through establishment of a unified design process, and the universality of the method is improved through introduction of manual analysis.
Owner:CHINA NORTH VEHICLE RES INST

Multi-axis multi-field coupling fatigue test device

The invention discloses a multi-axis multi-field coupling fatigue test device, and belongs to the technical field of material testing. The device comprises a rack, a multi-axis loading unit, an environment simulation unit, a dynamic sealing interface and a cooperative control system. The core of the device is that the test sample can simultaneously bear the coupling effect of multi-axis mechanical stress (pulling, pressing and twisting) and various environmental fields (such as high and low temperatures, corrosive media, illumination and electric fields) through a highly integrated design; and the dynamic sealing problem of the actuator rod in the environment box is solved through an innovative dynamic sealing interface (such as labyrinth-magnetofluid composite sealing). According to the invention, accurate linkage control of multiple channels is realized through the cooperative control system, the service environment of key parts under actual complex working conditions can be truly simulated, and a reliable test platform is provided for failure analysis and life prediction of products under multi-field coupling.
Owner:DEZHOU UNIV

Autonomous planning algorithm for automobile gluing path

The invention discloses an autonomous planning algorithm for an automobile gluing path, and relates to the technical field of automobile manufacturing, and the algorithm comprises the specific steps: collecting multi-source data through a line laser radar and an industrial camera, carrying out the preprocessing and synchronous fusion, carrying out the point cloud processing and curved surface modeling, generating and optimizing a gluing path, and adjusting the deviation in real time. And finally, converting into a mechanical arm instruction, controlling an executing mechanism to move, and synchronously adjusting gluing parameters and the posture of a gun head to finish high-precision gluing operation. Through dynamic formula linkage design, full-process self-adaption of track planning and execution control is achieved, manual intervention is reduced, and the gluing quality and the production efficiency are guaranteed; meanwhile, a high-precision positioning and complex curved surface modeling system is constructed by adopting a multi-sensor fusion and curvature self-adaptive NURBS weight factor formula, so that the positioning reliability and the curved surface model precision are ensured, and the adaptation requirement of a complex gluing scene of an automobile body is met.
Owner:NAT INSTR SMART EYES (CHONGQING) TECH CO LTD

Convenient steel pipe joint structure without welding connection

The invention discloses a welding-free connection convenient steel pipe joint structure, and relates to the technical field of steel pipe joints, the welding-free connection convenient steel pipe joint structure comprises a joint pipe and a connected external steel pipe, two ends of the joint pipe are integrally provided with protruding pipes matched with the internal diameter of the external steel pipe, and the protruding pipes are inserted into the external steel pipe in a penetrating mode. And the joint pipe and the external steel pipe are fixed through the fastening sleeve. According to the convenient steel pipe joint structure without welding connection, through the ingenious mechanical linkage design, the installation efficiency and the operation convenience are remarkably improved. The key point is that the semi-ring sleeve, the clamping shaft and the elastic element cooperate with each other, so that quick connection can be realized without the traditional welding or complex thread fastening process. After the joint pipe is preliminarily butted with the external steel pipe, the rotary table and the eccentric rod can be driven by rotating the rotary knob, the movable block and the clamping shaft are automatically aligned and locked by utilizing the elastic reset characteristic of the spring, and the design avoids the requirements for accurate alignment and strong fixation in traditional installation.
Owner:HAIYAN SITONG PIPE FITTINGS MFG CO LTD

Docking apparatus

Upon docking between different parts, a docking system maintains a strong docking state in accordance with linkage of locking according to magnetism and locking according to mechanical connection. The docking system also prevents generation of gaps in various directions including upward, downward, left and right directions in the docking state, thereby being capable of securing durability and quality of each portion.
Owner:HYUNDAI MOTOR CO LTD +2

Mechanical arm of feeding and discharging robot of punching machine tool

The invention discloses a feeding and discharging robot mechanical arm of a punching machine tool, relates to the field of robot mechanical arms, and solves the problem that when an existing feeding and discharging robot mechanical arm of the punching machine tool is used, it is difficult to control the operation state of a suction cup to improve the stability in the conveying process while automatically adsorbing punching parts of different shapes. Comprising a base and an adsorption mechanism, a mechanical arm body, a rotating block and a rotating disc are arranged on the base, the adsorption mechanism comprises a control part, a conveying part and multiple sets of suction cups, the control part senses the attaching relation between the suction cups and the surface of a stamping part, the suction cups in the attaching state are sucked, and the positions of the suction cups in the non-adsorption state are adjusted and controlled; the control part is connected with the suction cup through the conveying part, so that the contact with the surface of the stamping part is reduced, the influence on the suction conveying stability caused by overlarge thrust of the non-suction suction cup on the stamping part is avoided, and meanwhile, in the suction operation process of the control part, liquid is output to the side wall of the suction cup in the suction state through linkage of the conveying part, and the stability in the suction conveying process is improved.
Owner:ORDOS QINHUI AUTOMOBILE PARTS MFG CO LTD

Multi-section bridge positioner

The invention discloses a multi-section type bridge positioner which comprises mounting rings, a bridge reinforcement cage, telescopic mechanisms and a positioning plate, a plurality of mounting rings are arranged on the surface of the bridge reinforcement cage, and the four telescopic mechanisms are evenly distributed on the surfaces of the mounting rings; the adjacent ends of the four telescopic mechanisms are each provided with a positioning plate used for clamping a bridge reinforcement cage. Each telescopic mechanism comprises a groove, a rectangular plate, a movable pipe and an adjusting piece, synchronous fine adjustment in four directions can be achieved through mechanical linkage of the telescopic mechanisms and the adjusting pieces, and therefore it is ensured that the reinforcement cage is centered and positioned, the four telescopic mechanisms are evenly distributed on the surface of the mounting ring, each telescopic mechanism independently controls one positioning plate, and the positioning effect is good. Accordingly, four-direction synchronous clamping of the bridge reinforcement cage is achieved, centering positioning of the reinforcement cage can be guaranteed, the effect of avoiding deflection is achieved, rapid centering of the upper reinforcement cage and the lower reinforcement cage can be achieved through the extensible multiple sections of connecting pieces, and error accumulation is avoided.
Owner:CSCEC STRAIT CONSTR & DEV

Device for transferring vehicles in workshop

The invention provides a workshop vehicle transfer device which comprises a bearing unit, a supporting plate is fixedly mounted at the top of the bearing unit, the bearing unit and the supporting plate are jointly provided with two supporting tables, the supporting tables are located on the two sides of the top of the bearing unit, and two limiting grooves are formed in the tops of the supporting tables; a through adjusting opening is formed in the bottom of the limiting groove, a limiting unit is fixedly installed at the bottom of the supporting table, the supporting face of the limiting unit penetrates through the adjusting opening and extends into the limiting groove, a guide groove is formed in the top of the supporting table, a bearing seat is slidably connected to the bottom of the guide groove, and a restraining unit is installed at the top of the supporting table in a rolling mode. Two sets of front moving units are assembled at the bottom of the supporting table. Through combination of passive limiting and active adjustment of a mechanical structure, the device is compatible with various vehicle types such as four-wheelers / tricycles, and the operation complexity is reduced; the problem that an additional support of a traditional transfer device is inconvenient to store is solved through the front moving unit, and automatic folding and unfolding are achieved through hydraulic linkage.
Owner:安徽丰源装备科技有限公司

Double-layer linkage lifting basket of wall cupboard

The invention relates to the field of pull baskets, in particular to a wall cupboard double-layer linkage lifting basket which comprises a cupboard body, a first basket and a second basket, mechanical boxes are symmetrically fixed to the top end of the cupboard body, and the interiors of the mechanical boxes are rotationally connected with rotating blocks through bearings; one end of the rotating block penetrates through the mechanical box to be fixedly connected with a first connecting rod, the side wall of the mechanical box is rotationally connected with a second connecting rod through a bearing, and the end of the first connecting rod and the end of the second connecting rod are hinged to the side wall of the first basket. And meanwhile, the anti-false-triggering function is achieved, and the problems that the pull basket does not descend or the descending speed is too high, and the pull basket is strenuous to push back after descending and the like due to the fact that gear adjustment errors are not consistent with actual load bearing or gear adjustment is triggered by mistake are solved.
Owner:SHANGRAO KUTAI KITCHEN PROD CO LTD

Mechanical linkage posture-stabilizing pull-type submersible

ActiveCN120397210ASteering by extensible flapsUnderwater equipmentMarine engineeringGear wheel
The invention discloses a mechanical linkage posture stabilizing pull-type submersible. The pull-type submersible comprises a cabin, an empennage assembly, an inertia assembly and at least one pair of side wings. The side wings are rotatably arranged on the side walls of the cabin body through second rods; the inertia assembly comprises a balance weight part, a main shaft and a gear structure, the balance weight part rotatably sleeves the main shaft, the tail end of the main shaft is connected with the empennage assembly, the gear structure is rotatably arranged on the inner side wall of the cabin body, and the balance weight part is connected with the gear structure; the counter weight part deviates from the central axis of the cabin body, relative rotation between the counter weight part and the cabin body can drive the paired side wings to rotate in the opposite directions through the gear structure, and movement of the counter weight part and the main shaft relative to the cabin body can drive the empennage assembly to be opened and closed. The pull-type submersible is provided with the inertia assembly, the inertia assembly achieves passive posture stabilization of the pull-type submersible through relative movement of the balance weight piece and the cabin body, and the pull-type submersible can be widely applied to the technical field of ocean exploration.
Owner:GUANGZHOU MARINE GEOLOGICAL SURVEY SANYA SOUTH CHINA SEA INST OF GEOLOGY

A portable vehicle or machinery control training aid

A portable machinery or vehicle control training aid, comprising a simulator that gives haptic feedback including angular movement, vibration, and responsiveness to use of controls; the haptic frame (54) provides structural frames for electrical components, mechanical components, and various sensors to be fixed onto. The haptic frame (54) movably joined to a plurality of linking mechanisms (55). In an embodiment as shown in Figs. (12) and (13), a pair of linkages (55) are connected preferably to the center of one side 61 of the haptic frame (54). Two linkages (55) are likewise connected to the diagonal bars (62) of the haptic frame (54). This configuration provides a balance of stable support for the live floor and safety to the trainee while also being mobile enough to produce realistic motions pertaining to yaw, roll, pitch, heave, sway, and surge. The pair of linkages (55) which are connected to the center side (61) of the haptic frame are each connected to drive motors (21). The drive motors (21) use the hydraulics needed to move the live floor (11) correspondingly to the virtual terrain affecting the heavy machinery and the controls inputted by the user or trainee.
Owner:MOLEC ELECTRICAL CONTRACTORS PTY LTD

Steel member preheating welding device and welding method

The invention relates to the technical field of preheating welding devices, and provides a steel member preheating welding device and a welding method.The steel member preheating welding device comprises a mounting mechanism, a welding mechanism and a guiding and positioning mechanism, an intermittent transmission chain scraper conveyor conducts intermittent conveying on a clamping mechanism, and when the clamping mechanism is in a shutdown state, the welding mechanism conducts welding on the clamping mechanism; and a guide rail of the guiding and positioning mechanism comprises an inclined rail and a transverse rail, and when an inserting rod moves downwards along the inclined rail, the welding mechanism is driven to accurately descend to a welding seam position. Zero-error matching of the welding station and the conveying takt is achieved through mechanical linkage, manual adjustment time is eliminated, the procedure interval is shortened, and the production line continuity is remarkably improved. The pure mechanical tripping design is realized, the sensor or motor driving is not needed, and the reset response is fast. The full-process cooperation of preheating, conveying, positioning, welding and resetting is achieved through a pure mechanical structure, and the continuity and continuity of welding work are achieved.
Owner:HUBEI ANEDE CONSTR SYST CO LTD

Valve body clamping tool

The invention relates to the technical field of mechanical positioning clamps. The valve body clamping tool comprises a base, a first supporting seat and a second supporting seat are arranged on the base in a sliding mode, a driving assembly is arranged on the base, a locking assembly is arranged on the first supporting seat, a first mounting seat is rotationally arranged on the first supporting seat, and a second mounting seat is arranged on the second supporting seat. A first mounting seat is rotatably arranged on the first supporting seat, a second mounting seat is rotatably arranged on the second supporting seat, first clamping assemblies are arranged on the first mounting seat and the second mounting seat, a second clamping assembly is further arranged on the second mounting seat, a rotating assembly is arranged on the first supporting seat, and an expansion assembly is arranged on the second clamping assembly. A synchronization assembly is arranged on the second mounting base, and a linkage assembly is arranged on the second supporting base. The valve body clamping device has the beneficial effects that by arranging the first clamping assembly, the second clamping assembly and the synchronizing assembly, valve bodies of different shapes and sizes can be clamped and fixed.
Owner:宜宾天瑞达汽车零部件有限公司

Automatic material taking mechanical arm based on injection molding machine

ActiveCN223099862ULinkage (mechanical)Machine
The utility model discloses an automatic material taking mechanical arm based on an injection molding machine, which comprises an injection molding machine body, an X-axis moving module, a Y-axis moving module, a Z-axis moving module, a turnover mechanism, a first material clamping assembly and a second material clamping assembly, and the first material clamping assembly comprises a base, a push cylinder, a fixed clamping plate, a movable clamping plate, a swing cylinder and a clamping jaw. Through linkage of the X-axis moving module, the Y-axis moving module and the Z-axis moving module, the first material clamping assembly and the second material clamping assembly can clamp different types of product materials, and then the high efficiency and adaptability of the whole material taking process are improved; the overturning mechanism can adjust the overturning angle of the first clamping assembly, so that product clamping is achieved in multiple directions or angles, and the clamping stability is improved. The pushing air cylinder can adjust the distance between the movable clamping plate and the fixed clamping plate, so that the first material clamping assembly can flexibly adapt to product materials of different sizes for clamping, and the clamping firmness and stability are improved.
Owner:河源市宏松源科技有限公司

All-terrain travel robot

The invention belongs to the technical field of control systems, and particularly relates to an all-terrain travel robot which comprises a main control module, a data acquisition module and a chassis driving module, the main control module is used for conducting calculation and analysis according to data uploaded by the data acquisition module to generate an upstairs control instruction and a downstairs control instruction, the chassis driving module executes the control instructions, and driving motors arranged on a front wheel set and a rear wheel set are used for controlling the upstairs control instruction and the downstairs control instruction respectively. The rotating direction and the rotating speed of each supporting wheel of the robot are controlled in a targeted mode, so that the stability of the robot walking on the flat ground is improved, and accurate control over the advancing direction of the robot can be achieved through differential control between the left crawler belt and the right crawler belt when the robot goes upstairs and downstairs through the crawler belts; according to the invention, various detection data are matched with linkage on a mechanical structure, so that the running stability of the robot is further improved, and the running safety of the robot is improved.
Owner:XSTO (GUANGZHOU) CO LTD

Rotary positioning, weighing and stacking device for cold-cut rubber sheets

The invention relates to the technical field of rubber processing, in particular to a rotary positioning, weighing and stacking device for cold-cut rubber sheets, which comprises a movable base frame comprising a base body, a frame bottom plate and an electric telescopic rod, the base body and the frame bottom plate are in sliding connection, the electric telescopic rod drives the base body to move horizontally, and a mechanical arm is fixedly arranged on the base body; the pallet base component group comprises a top plate, a bottom plate and a bottom plate; the top of the top plate is provided with a bearing pallet; and the wagon balance assembly is used for weighing the load of the top plate. Through a pure mechanical linkage mechanism formed by a lower gear piece, a vertical lead screw piece and the like, switching and resetting of a top plate support between a weighing assembly and a bearing assembly are automatically achieved through rotation action, continuous and stable supporting is guaranteed accurately and synchronously through a gear, a rack and the like, meanwhile, an electric telescopic rod of a movable base frame drives a mechanical arm to avoid, and the mechanical arm is fixed. And the space interference with the rotary pallet is solved.
Owner:BAIHONG MASCH (SHANGHAI) CO LTD

Detection device for spring

The invention relates to the technical field of spring detection, in particular to a detection device for a spring. Comprising an inspection frame, a rotating motor, a PLC, a multidirectional motion platform, a clamping frame and a carrying platform, the inspection frame is connected with a moving frame through a first linear transmission module, the moving frame is provided with a multi-degree-of-freedom vibration platform, the multi-degree-of-freedom vibration platform is connected with a horizontal sliding seat which synchronously, horizontally and vertically moves, and the reciprocating stroke of the horizontal sliding seat periodically changes. The horizontal sliding seat and the carrying platform are both connected with the multi-direction moving platform, two electric push rods are connected between the clamping frame and the carrying platform, a clamping driving piece is arranged on the clamping frame, two symmetrically-arranged clamps are connected to the clamping driving piece, and a driven clamping seat is rotationally installed on one clamp. Through the linkage design of the clamping frame, the electric push rod, the conversion frame, the multidirectional motion platform and the PLC, the problem that mechanical detection and appearance detection of an existing spring detection device are scattered is solved.
Owner:YANTAI EXCELLENCE ELECTRONIC HARDWARE CO LTD

Cylinder load lifting device

The invention relates to the field of mechanical engineering, and discloses a cylinder load lifting device which comprises a bottom plate, a hydraulic part is fixedly connected to the right side of the top of the bottom plate, a control rod is rotatably connected to the top of the hydraulic part, a first roller is rotatably connected to the bottom of the hydraulic part, and two linkage rods are fixedly connected to the bottom of the hydraulic part; the top of the linkage rod is provided with an assembly box, the right side of the linkage rod is rotationally connected with a second roller, and the right side of the top of the bottom plate is fixedly connected with sliding rails which are evenly distributed. According to the lifting device, the hydraulic part is arranged at the bottom of the bottom plate, the linkage rod is controlled to move through the hydraulic part, so that the linkage rod opens the second rolling wheel, the bottom plate is lifted, meanwhile, the lifting stand column is adjusted according to the needed load height, the pod arranged at the top of the mounting disc arrives at the mounting position, and the problem that when assemblies with different heights are mounted, the lifting stand column is not prone to falling is solved. And multiple times of adjustment and installation are needed.
Owner:中国人民解放军32151部队保障部

Multifunctional robot arm

The invention belongs to the technical field of robot arms, and particularly relates to a multifunctional robot arm which comprises a mechanical arm and a crawler, the mechanical arm is arranged on the crawler, a connecting base is arranged on the mechanical arm, a mounting frame is rotationally arranged on the connecting base, clamping jaws are symmetrically arranged on the two sides of the mounting frame, and a linkage mechanism is arranged between the clamping jaws and the mounting frame. A rotating part is arranged on the mounting frame, and the mounting frame is rotationally arranged on the connecting seat through the rotating part; the sliding rod is arranged on the mounting frame in a sliding manner; according to the multifunctional robot arm, the air cylinder pushes the sliding rod, the rack is matched with a gear in the linkage mechanism, the clamping jaw is driven to be opened and closed, and explosive clamping is achieved; when the clamping jaw is opened to the maximum extent, the brush extends out, and the servo motor drives the brush to clean soil through the synchronous wheel and the synchronous belt; and the sliding rod moves downwards, the brush retracts, the clamping jaw is closed, and the blade can break hard objects. The manipulator integrates the functions of clamping, sweeping and forcible entry, the dangerous operation efficiency and safety are improved, and the application scene is expanded.
Owner:SHANGHAI WHALESBOT TECH CO LTD

Compact collapsible folding space enclosure with telescopic lifting central structure

A collapsible space enclosure system is disclosed, designed for efficient transport and deployment in the field of mechanical engineering. The system described addresses the technical problem of cumbersome and inefficient collapsible structures by providing a system that integrates a telescopic lifting central section with an upper and lower portion for balanced vertical retraction and extension. The system includes folding panels connected to the central structure, configured to fold in two for compact shipment. Actuators enable continuous 360° rotation and balanced vertical movement. Parallelogram linkage assemblies facilitate simultaneous lateral retraction and vertical lifting. Retractable strut channel assemblies allow for the installation of add-on retractable spaces, increasing floor area. This system is particularly useful for military, commercial, and recreational applications, offering a streamlined and versatile solution for rapid deployment and compact storage.
Owner:SHARPTON GEORGE

Multi-axis linkage machining system of intelligent numerical control wood-working machine

The invention relates to the field of numerical control machine tools, and discloses an intelligent numerical control wood-working machine multi-axis linkage machining system which comprises a numerical control system used for controlling movement of all axes of a multi-axis linkage system according to an optimized load distribution scheme and executing a wood-working machining task; the multi-shaft linkage system comprises a plurality of mechanical shafts and corresponding servo drivers, and receives instructions through the numerical control system to perform coordinated movement; and the intelligent sensor network is used for monitoring the load, temperature, vibration, speed and displacement parameters of each shaft in real time and transmitting the data to the data processing module. Through a non-dominated sorting genetic algorithm, optimal load distribution among multiple targets such as load balance, processing quality, energy consumption and processing speed is realized, so that the problem that a traditional wood-working machine is only optimized for a single target is solved, the overall performance of a system is improved, and an optimal processing strategy can be realized under different working conditions.
Owner:JIANGSU EAST GIANT MASCH TECH CO LTD

Anti-crushing seat massage mechanism

The utility model relates to the field of automobile seat structures, and particularly discloses an anti-crushing seat massage mechanism which is characterized in that a driving assembly comprises a base, a movable seat and a driving motor, a massage assembly is connected with the movable seat through a linkage assembly, when the movable seat ascends and descends, the massage assembly works, and a collapse assembly comprises a locking spring and a clamping block. The upper ends of the clamping blocks rotate on the base in a limited mode, the lower ends of the clamping blocks are fixedly connected with one end of the locking spring, the two clamping blocks are distributed in a splayed mode, the fixed end of the driving motor is fixedly connected with the base, the output end of the driving motor is fixedly provided with a movable block, the movable block is arranged between the upper ends of the two clamping blocks, and the bottom end of the movable block abuts against the clamping blocks. And the included angle between the clamping blocks is increased. According to the utility model, the massage rod can automatically retract when being subjected to impact force, the crumple assembly prevents huge impact of external force from hurting a human body through the massage head, the use safety of a mechanical massage structure is realized, and the internal structure is protected at the same time.
Owner:FAURECIA WUXI SEATING COMPONENTS +1

Azimuth adjusting method of universal locking device for table top

The invention relates to a direction adjusting method of a universal locking device for a table top, which comprises the following steps: S1, placing a workpiece on the surface of a turntable assembly, and adjusting the angle of the workpiece through the rotation of the turntable assembly; s2, an X-axis screw is driven to rotate through a worm and gear transmission system of a driving gearbox, and an X-axis sliding block is driven to move along a linear sliding rod; s3, an X-axis moving mechanism is synchronously controlled to rotate around the central axis through a hand-cranking wheel, and composite direction adjustment of the rotary disc assembly is achieved; s4, a bottom shaft is driven to rotate through a hand-cranking wheel, and a Z-axis rotating screw is driven to rotate through bevel gear meshing transmission; s5, through cooperation of a Z-axis rotating screw rod and a linear guide rail, a bearing column is driven to move in a reciprocating mode in the direction of a Y-axis moving mechanism; and S6, multi-degree-of-freedom adjustment of the X axis, the Y axis and the rotating disc assembly is cooperatively controlled, and three-dimensional space positioning and locking of the workpiece are achieved through linkage operation of the steps S1 to S5. The device has the effect that an operator can conveniently adjust the operation angle and position of a mechanical part.
Owner:GUANGZHOU INST OF RAILWAY TECH

Automatic shaft collar correction equipment and method thereof

The invention provides automatic shaft collar correction equipment and method, and relates to the technical field of machining, the automatic shaft collar correction equipment comprises a supporting and correcting station and a conveying station, the supporting and correcting station is provided with a workpiece base and a supporting and correcting device used for achieving radial supporting and tightening of an annular piece, and the supporting and correcting device comprises a plurality of supporting blocks capable of being opened or closed, a screw matched with the supporting blocks and a driving mechanism; the conveying station is provided with a clamping assembly, the clamping assembly comprises a lifting table, a guide plate sliding transversely, a gear motor and a clamp used for clamping the annular parts, and automatic conveying and positioning of the annular parts are achieved. The supporting and correcting device comprises a shell, a guide sleeve, a guide piece, a linkage mechanism composed of a moving block and a transmission rod, a screw rod rotates to drive a supporting block to expand or contract in the radial direction, and automatic correction of the annular piece is completed. The device is reasonable in structure, efficient in operation and suitable for automatic positioning and correction machining of shaft ring type workpieces, and the automation level and the correction precision can be remarkably improved.
Owner:FUJIAN UNIV OF TECH

Self-adjusting socket for lower limb prosthesis

The present disclosure describes self-adjusting sockets for lower limb prostheses in which each step transmits motion to a resilient resistive element coupled to an actuator configured to cycle between a rest position and an actuated position. The resistive element can transmit the motion to the actuator to cycle the actuator. Each cycle of the actuator acts through a mechanical linkage to tighten the socket around the residuum, until a desired threshold tightness on the residuum is reached. After the threshold tightness is reached, the resistive element yields and absorbs the motion rather than transmitting the motion, so that the actuator ceases to cycle on each step, preventing further tightening beyond the threshold.
Owner:VESSL PROSTHETICS INC