9 results about "Mechanical overload" patented technology

The invention discloses a hydraulic damping self-adaptive adjustment method based on a wave energy prediction model and electronic equipment, and relates to the field of hydraulic damping adjustment, and the method realizes prospective intelligent control of a gear rack type PTO system through deep coupling of the wave energy prediction model and a hydraulic damping self-adaptive adjustment mechanism. In a training stage, a target device and a neighborhood device are sequentially alternated, and a general prediction model covering buoys in a preset sea area range is constructed; in the operation stage, a model is constructed based on newest multivariable observation time sequence data to input and output a future wave energy predicted value of the position of a buoy corresponding to a target device, the opening degree of a control valve on a hydraulic oil way is adjusted in advance according to the future wave energy predicted value, and meanwhile feedback correction is conducted in combination with the actual operation state of the device. The limitation that a traditional PTO system only depends on current state feedback is broken through, the predictability and robustness of damping adjustment are remarkably improved, and the energy capture insufficiency under the small wave working condition and the mechanical overload risk under the large wave impact are effectively avoided.

An operating element (1) has an operating lever (2) which is mounted pivotably about at least one axis, wherein a frame (3) is provided at the free end of the operating lever (2) and the operating lever is guided such that its free end and the frame (3) lie in a housing (4), wherein the operating element (1) also has means (5) for limiting the deflection of the operating lever (2) for limiting the deflection of the operating lever to a first deflection angle (CH), wherein the frame (3) has at least one first stop (6) and the housing (4) or the means (5) for limiting the deflection of the operating lever (2) has a first counter stop (7) which corresponds to the at least one first stop (6), wherein the first stop (6) and the first counter stop (7) do not touch one another when the operating lever (2) is at the first deflection angle (CH) and touch one another when the operating lever (2) is deflected beyond the first deflection angle (CH) to a second, greater deflection angle (a2).

The invention relates to a laser welding robot with an anti-collision mechanical overload protection function and a working method thereof.The laser welding robot comprises a mechanical arm and a welding mechanism, the welding mechanism is installed on the mechanical arm, the welding mechanism comprises a supporting seat connected with the end of the mechanical arm, the supporting seat is arranged on the outer side of the supporting seat, and a ring seat is arranged on the outer side of the ring seat; a conical cover is arranged on the outer side of the ring seat, a ball seat is installed in the center of the bottom side of the supporting seat, a ball head is rotatably installed in the ball seat, and a laser welding head is installed on the bottom side of the ball head; omnidirectional graded protection is achieved, lateral collision is coped with through a conical cover and a spring, collision of a core area is coped with through a light curtain, a rubber base and a micro strain gauge, partitioned and graded protection from the periphery to the core is achieved, and the device adapts to different collision situations.

The invention discloses an inductor failure risk response structure, a high-reliability inductor and a failure risk warning method, the inductor failure risk response structure is specifically a core-shell composite functional phase, and the functional phase takes metastable austenite microspheres as a core and borosilicate glass with density gradient as a shell. The austenite nucleus can generate martensite phase transformation under the triggering of mechanical stress to cause regular drift of the magnetic conductivity of the magnetic core, and the regular drift is used as an early warning electric signal; and the glass shell is softened and flows when being overheated, so that self-repairing of the microcracks is realized. Through the centrifugal forming technology, the functional phase can form gradient distribution with the concentration gradually decreased from inside to outside in the magnetic core, and therefore the intelligent response capacity is accurately located in a high-risk area. The manufactured high-reliability inductor has endogenous sensing, early warning and self-repairing capabilities on mechanical overload and overheating risks, and the reliability of the high-reliability inductor under severe working conditions is remarkably improved.

The invention relates to the technical field of petroleum drilling, in particular to a drill string mechanical behavior simulation test device and a kinetic analysis method, and the device comprises a fixing assembly, an external loading unit and a transmission system; the fixing assembly comprises a test kettle, a drill column and a spring bearing base arranged in the test kettle, the external loading unit comprises a hydraulic power control device and a servo motor, power is provided by the hydraulic power control device, and axial tension or pressure is applied to the top of the drill column through a loading pipe; the servo motor is controlled to apply torque to the drill string through the torque transmission line, and the composite stress condition of the drill string in the shaft is simulated; the transmission system comprises a stress sensor and a strain sensor which are arranged on the outer wall of the drill string. According to the mechanical test device, the spring bearing base is arranged to bear the drill column, and the elastic piece can play a buffering role between the test kettle and the drill column when testing axial force is loaded to the drill column in a mechanical test, so that the situation that the simulation process is affected due to drill column deformation during mechanical overload is avoided.

A device for mechanical overload protection in a drive train of a machine tool, the drive train having an output side with an output shaft and an input side with a motor shaft. The output shaft is operatively connected to the motor shaft by way of a connector, the device for mechanical overload protection being formed by a press-fit connection between the connector-on the one side and the motor shaft or the output shaft on the other side. A method for producing such a device for mechanical overload protection in a machine tool is also provided. The peak torques in the drive train, which preferably occur for a short time, can be significantly reduced and the machine tool and its mechanical components can be protected from damage in the event of a blockage.

The present application relates to the technical field of light leakage detection, in particular to a light leakage detection platform equipped with multi-axis linkage and centering function for intelligent sensor detection, comprising a positioning platform and a pressing assembly, the pressing assembly comprises a driving block, a bearing block and a probe carrier, a probe assembly is arranged in the probe carrier; a gradually changing curved surface is arranged on the bottom surface of the driving block, a containing cavity is arranged on the top of the bearing block, the containing cavity is provided with an elastic petal, and the elastic petal is provided with a cross-section thinning area; a stress main beam and at least one order secondary shunt beam are mounted in the probe carrier, a guide hole is arranged in the probe carrier, and a spiral groove is arranged on the inner wall of the guide hole. The gradually changing curved surface and the elastic petal cooperate to center, the multi-stage shunt beam and the spiral groove drive the probe to spin, and the dissipation type insulation column is embedded, the non-destructive self-adaptive alignment and load sharing are realized, the low resistance test path is established, and the mechanical overload and electrostatic controlled discharge double protection are provided.

The utility model relates to the technical field of springs, and discloses a spring with a mechanical overload protection mechanism, which comprises a sleeve, a fixed ring is sleeved on the outer surface of the sleeve, a movable ring is slidably sleeved on the outer surface of the sleeve, an overload protection device is arranged in the sleeve, and the overload protection device comprises a first fixed rod. The first fixed roller is fixedly connected to the lower surface of the moving ring, the lower end of the first fixed roller is fixedly connected with a disc, the upper surface of the disc is fixedly connected with a fixed rod, the fixed rod slidably sleeves the inner surface of the sleeve, the upper end of the fixed rod is fixedly connected with a first piston, and the first piston slidably sleeves the inner surface of the sleeve; according to the spring with the mechanical overload protection mechanism, the spring can be limited after being stretched to a certain length, the situation that stress is too large due to the fact that the spring is stretched too long is prevented, the spring can be effectively protected, and the situation that deformation and damage are caused due to the fact that the spring is stretched too fast can be prevented.