7results about How to "Reduce vibration damage" patented technology

The application relates to the technical field of special cables, in particular to a multiple-protection intelligent cable for high-temperature and strong-corrosion environments and a monitoring system thereof, which comprises a conductor, an insulation layer, an inner sheath, a shielding layer, a heat insulation layer, an outer sheath and a monitoring system. The application adopts gradient plating, composite insulation, ceramic sheath, aerogel heat insulation, flame-retardant smoke suppression and self-repairing outer sheath to form full-dimension protection, can resist temperatures above 250 DEG C, can resist strong corrosion and high mechanical stress; through the addition of humidity sensing and label self-power supply, temperature / stress / humidity / corrosion multi-parameter monitoring is realized, the response speed is improved through edge computing, and the monitoring dimension is greatly expanded; through the design of a buffer layer, an optical fiber sheath pipe, a corrugated heat insulation layer and a sealed joint, the risk of vibration damage, optical fiber rupture and medium invasion is reduced, and the structural reliability is greatly improved; through self-repairing, predictive maintenance and full-process protection, the service life is more than 3 times that of a traditional cable.

An automatic cleaning device, comprising: a moving platform (100) configured to automatically move on an operation surface; and a cleaning module (150) provided on the moving platform (100) and comprising a dry cleaning module (151) and a wet cleaning module (400). The wet cleaning module (400) comprises a cleaning head (410) used for cleaning the operation surface, and a driving unit (420) used for driving the cleaning head (410) to reciprocate along a target surface; the target surface is a part of the operation surface; the moving platform (100) is provided with a protruding pin (1001); the wet cleaning module (400) is provided with a groove (4001) matching the protruding pin (1001) to limit the working position of the wet cleaning module (400). The protruding pin can move directionally along the groove, so that a lifting / lowering module does not deviate in a lifting / lowering process.

The utility model relates to the technical field of circuit boards, in particular to a multilayer printed circuit board which comprises an installation mechanism, an insulation mechanism and a circuit mechanism, the insulation mechanism is located at the top end of the installation mechanism, the circuit mechanism is located at the top end of the installation mechanism, the installation mechanism comprises a supporting plate, and a heat absorption block is fixedly installed in the middle of the top end of the supporting plate. Supporting columns are fixedly installed at the four corners of the top end of the supporting plate, first hollow cushion blocks are fixedly installed at the top ends of the supporting columns, screw grooves are formed in the top ends of the supporting columns, screws are movably installed in the screw grooves, and second hollow cushion blocks are movably installed between the screws and the screw grooves. The circuit board can be protected through the first hollow cushion block and the second hollow cushion block, vibration buffering can be generated, vibration damage of an installation assembly is reduced, meanwhile, heat generated by the circuit board can be conducted and dissipated through the heat absorption block, installation gaps of the circuit board are increased through the supporting columns, and the heat dissipation rate is increased.

The invention relates to the technical field of cerebral apoplexy rehabilitation robots, in particular to a planar two-dimensional wrist training robot and a training method.The planar two-dimensional wrist training robot comprises a portable box, and a driving system and an executing mechanism are arranged in the portable box; the executing mechanism comprises a grip, and the grip is mounted on the mounting table through a movable platform; the driving system is matched and connected with the mounting table through the transmission mechanism and comprises a middle driving mechanism and a side driving mechanism; the transmission mechanism comprises two transmission shaft parts which are respectively connected with the middle driving mechanism and the side driving mechanism; transmission ropes are wound on the two transmission shafts and connected with the movable platform in a matched mode. According to the portable rehabilitation robot disclosed by the invention, by adopting a coaxial nested arrangement structure of the two transmission shafts and transmission of the transmission rope, the size and the weight of the rehabilitation robot are greatly reduced, and portability of the rehabilitation robot is realized through a detachably mounted combined structure; the cerebral apoplexy rehabilitation robot is simple in structure, low in cost and suitable for popularization and application, and the application range of the cerebral apoplexy rehabilitation robot is expanded.

This invention discloses a post-processing device for cable joint sheath processing, belonging to the technical field of cable joint sheath processing. It includes: a support platform; an electric turntable fixedly connected to the upper surface of the support platform; multiple limiting plates arranged in an equidistant ring on the surface of the electric turntable; a tinning mechanism fixedly connected to one side of the electric turntable; a clamping mechanism adapted to the limiting plates fixedly connected to one side of the tinning mechanism; a sheath assembly mechanism for assembling the sheath fixedly connected to one side of the clamping mechanism; and a detection and unloading mechanism fixedly connected to one side of the sheath assembly mechanism. The tinning mechanism, clamping mechanism, sheath assembly mechanism, and detection and unloading mechanism are arranged in a ring around the outside of the electric turntable. A storage box is fixedly connected to one side of the support platform. This invention, in addition to processing cable joint sheaths, also enables multi-station distributed work and automated assembly and identification.

The invention discloses a photovoltaic module used for supporting a photovoltaic panel, and belongs to the technical field of photovoltaic equipment. The core structure comprises a rigid elastic piece and a flexible elastic piece, and the rigid elastic piece basically surrounds the flexible elastic piece and is in close contact with the flexible elastic piece. The rigid elastic piece is composed of a right-angle V-shaped part, a seat part and a C-shaped part, the right-angle V-shaped part is used for supporting the photovoltaic panel, the seat part is used for fixing the rigid elastic piece, and the C-shaped part is connected with the right-angle V-shaped part and the seat part and can generate elastic deformation; a gap is formed between the bottom end of the right-angle V-shaped part and the seat part, the gap can be expanded or shrunk when the C-shaped part deforms, the C-shaped part and the gap are always in close contact, and the gap does not disappear. According to the invention, through nesting cooperation of the rigid and flexible elastic members, the problems that a metal support member is easy to fatigue and fracture and poor in damping effect are solved, the defects that a flexible support member is insufficient in strength and easy to age are overcome, firm and elastic support of a photovoltaic panel is realized, the service life of an assembly is prolonged, and the operation stability of a photovoltaic system is improved.

The utility model provides a detection device for testing the health degree of a railway track circuit, and belongs to the technical field of railway track circuit detection. Comprising a track body and a supporting base arranged at the bottom of the track body, and further comprises an adjusting assembly, the adjusting assembly comprises a fixing plate arranged at the top of the supporting base, a telescopic rod is arranged on one side of the fixing plate, an extrusion block is arranged at the other end of the telescopic rod, a damage prevention pad is arranged on one side of the extrusion block, and the fixing plate on the supporting base provides stable supporting; the telescopic rod stretches out and draws back to drive the extrusion block to move, the anti-damage pad on one side of the extrusion block makes contact with the track body, the position of the extrusion block is adjusted through the telescopic rod, the device is stably clamped on the track, the anti-damage pad prevents the track from being extruded and damaged, and therefore the effects of reliably fixing and protecting the track are achieved, and stable work of the detection device is ensured. Connecting bases are arranged between the connecting blocks, the middle of each connecting base is provided with a damage-preventing elastic piece, and the top of each damage-preventing elastic piece is connected with the inner side of the groove in the middle of the track body in a clamped mode.