22results about How to "Avoid excessive bending" patented technology

The invention belongs to the technical field of varnished wire detection, and particularly relates to a detection device for an inductance element varnished wire, which comprises a base, a winding traction mechanism, a guide diameter measuring mechanism, a pressurization air supply mechanism, a wire diameter feedback regulation and control mechanism, a detection angular velocity control mechanism, a detection result visual display mechanism and a PLC (Programmable Logic Controller). According to the invention, continuous and relatively stable tensile force is provided through constant-speed rotation of the winding drum, the increase of the tensile force is more linear, additional damage to the enameled wire caused by sudden impact force is avoided, the test result can more accurately reflect the tensile property of the enameled wire in actual use, and the test can be carried out in a relatively compact space, so that the test efficiency is improved. According to the device, the requirement for a site is relatively low, the angular speed of the winding drum and the detection height of the winding drum in the detection process can be automatically adjusted, and a final test value in a tension test can be displayed more visually and clearly.

The utility model relates to the technical field of sensors, in particular to a sensor probe and a packaging structure thereof, the sensor probe comprises a sensor probe body and a packaging shell, an outer shell is fixed on one side of the sensor probe body, a connecting wire is mounted on the surface of the packaging shell, a protection mechanism is arranged on the outer side of the sensor probe body, and the outer side of the sensor probe body is provided with a protective cover. A protection mechanism is arranged on one side of the packaging shell, a protection assembly and a threaded groove are arranged in the protection mechanism, an efficient sealing mechanism is arranged on one side of the packaging shell, a sealing ring and an efficient sealing component are arranged in the efficient sealing mechanism, and an anti-folding mechanism is arranged at one end of the packaging shell and composed of a fixing frame and an anti-folding component. According to the utility model, the service life of the sensor probe is prolonged, the sealing effect of the sensor probe in use is improved, and the sensor probe is not easy to damage due to excessive bending in use.

The utility model provides a bending-resistant cable for new energy automobile, which comprises a support frame, an elastic column, inner sheaths, an elastic layer, a bending-resistant layer, an outer sheath and wire core bodies, the elastic column is fixed in the center of the support frame, a plurality of inner sheaths are fixed in the support frame, and the wire core bodies are fixed in the middles of the inner sheaths; an elastic layer is fixed on the outer side surface of the support frame, a bending-resistant layer is fixed on the outer side surface of the elastic layer, and an outer sheath is fixed on the outer side surface of the bending-resistant layer. According to the utility model, the arrangement of the support frame and the bending-resistant layer not only can prevent the position of the wire core body from changing, but also can prevent spontaneous combustion of the wire core body, and in addition, the bending-resistant performance of the whole cable is improved.

The invention relates to an energy storage device and a power utilization system. The energy storage device comprises a shell, an electrode assembly, an end cover assembly and a binding piece, wherein the shell is provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity, the electrode assembly comprises a plurality of tabs and an electrode main body which are electrically connected, and the tabs and the electrode main body are arranged along a first direction; the end cover assembly is arranged on one side of the shell and used for sealing the containing cavity. The binding piece is positioned between the end cover assembly and the electrode main body; the binding piece is provided with a penetrating hole, and the penetrating hole penetrates through the two opposite surfaces of the binding piece in the first direction. The penetrating hole extends along a second direction, the plurality of tabs penetrate through the penetrating hole, and the first direction is intersected with the second direction; the penetrating hole is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and in the second direction, the distance between the first side wall and the second side wall is larger than the size of the ends, close to the electrode body, of the tabs.

The utility model discloses a drainage device, and relates to the technical field of medical instruments for hepatobiliary surgery, in particular to a drainage device which comprises a hose, an unblocking component and a spring, the aperture of the spring is larger than the outer diameter of the hose, and the spring is arranged on the outer side wall of the hose in a sleeved mode. The spring is arranged on the outer side wall of the hose in a sleeving mode, the hose is externally supported through the spring, due to the fact that the spring has certain elasticity and rigidity, the spring can straighten the hose in time and prevent the hose from being excessively bent, the hose wall of the hose is prevented from being attached, a flow channel in the hose is prevented from being blocked or narrowed, and therefore the purpose of normal drainage is achieved. When a flow channel is blocked by viscous materials in the hose, the sliding blockage clearing component is pressed to slide in the length direction of the hose, the blockage clearing component extrudes the hose in the sliding process, and therefore the blocking materials in the hose are extruded and driven out, and the purpose of clearing away the viscous blocking materials in the hose is achieved.

The utility model relates to the technical field of steel bending, in particular to a multi-angle adjustable steel bending device which is characterized in that one end of a rotating rod is sleeved with a bending plate, one side of the bending plate is fixedly connected with a side plate, one side of the side plate is fixedly connected with a limiting frame, and one side of the bottom of a base is fixedly connected with a second motor through a bolt; the bottom end of the rotating rod penetrates through the base to be in transmission connection with an output shaft of the second motor, one side of the top of the base is slidably connected with an annular gear, and one side of the base is fixedly connected with a fixing plate. The bending angle is accurately adjusted and effectively limited, the phenomenon of excessive bending or angle deviation caused by out-of-control of the angle is avoided, and the machining precision is remarkably improved.

The utility model relates to environmental detection technical field discloses a kind of portable ultraviolet intensity detection device, comprising: detector main body, front side is equipped with display screen and control panel, built-in battery, bottom is equipped with charging port, upper end is connected with detection plate through wiring harness, detection plate front side is fixedly provided with detection probe;Storage slot, be located in the upper end of detector main body front side, inside upper end is equipped with the support plate corresponding to wiring harness one to one, detection plate upper end integrally formed with insert strip, the bottom surface of storage slot is equipped with the insertion slot matched with insert strip.The utility model has the advantages of: it is convenient to carry out multi-angle detection, and detection head can be protected.

The utility model relates to the technical field of rubber joints, in particular to an anti-fatigue rubber joint which comprises joint ends, the joint ends are symmetrically distributed along the two ends, an integrally-formed joint center is arranged between the two joint ends, and built-in grooves are formed in the joint ends. Through the design of the joint center and the side flaps, the anti-fatigue and anti-deformation capacity of the rubber joint is remarkably enhanced, when the rubber joint needs to be bent, damage caused by bending can be reduced, the damping effect is achieved when objects at the two ends are extruded and impacted, the side flaps are annularly distributed outside the joint center and can be matched to be bent when the joint center is bent, and the anti-fatigue and anti-deformation capacity of the rubber joint is improved. In addition, the joint end is wrapped by the woven sleeve made of the aluminum alloy material, the situation that the joint end is extruded and deformed when connected with a pipe fitting or a rod piece is avoided, and the fatigue resistance of the rubber joint is further guaranteed.

The application relates to the technical field of steel rolling, and particularly discloses a production method of high-strength automobile beam steel 800L-AC steel, which reconfigures alloy element components; the billet is heated; the heating temperature of a heating furnace, total furnace time and soaking section residence time are controlled; rolling parameters are set, including the finish rolling inlet temperature, the final rolling temperature, the coiling temperature and the cooling strategy of the billet, the rough rolling scale removal pass and the load distribution of the finish rolling mill are controlled; the work roll bending force and the roll shifting amount are automatically adjusted according to the plate shape defect type, and the plate shape defect is corrected in real time; the load distribution technology is adopted to control the rolling force deviation of each rack within + / -8%, so that the excessive bending of the roll system caused by local overload is avoided, and the plate shape defect is reduced from the source; the work roll bending force and the roll shifting amount are automatically adjusted according to the plate shape defect type (edge wave and middle wave), the real-time correction of the plate shape defect is realized, the plate shape qualified rate is improved, and the strength and toughness of the steel are significantly improved.

The present invention relates to the technical field of aluminum stranded wire preparation, and specifically discloses an aging-resistant aluminum stranded wire and a preparation method thereof, comprising a fixed tube, the outer surface of the fixed tube is provided with a fitting groove, the fitting groove is extended in a spiral shape, and a plurality of the fitting grooves are arranged at fixed intervals around the central axis of the fixed tube, and also comprises: an aluminum wire, the inner surface of the aluminum wire is tightly fitted in the fitting groove, and the aluminum wire is combined into a tubular aluminum stranded wire. By providing a groove on the second steel core and arranging the groove and the contact hole relative to each other, after the aluminum wire is twisted on the fixed tube, the aluminum wire will also achieve point contact and mutual engagement through the groove and the second steel core. Through this engagement method, the second steel core can be limited during use to avoid the second steel core being linearly distributed in the fixed tube and shifting to reduce the structural strength of the aluminum stranded wire. By distributing the second steel core linearly, the production time can be greatly reduced, and the production efficiency can be greatly improved.

The utility model discloses electronic equipment, and belongs to the technical field of electronic equipment. The connecting base is arranged on the side, facing the screen module, of the first circuit board, so that the first flexible circuit assembly of the screen module can be directly connected with the connecting base and does not need to be wound to or penetrate through the other side of the first circuit board. Therefore, when a technician disassembles the screen module, the connection between the first flexible circuit assembly and the connecting seat can be directly separated from the screen side, and then the disassembly of the screen module is completed. Compared with the prior art that the rear cover needs to be disassembled when the screen module is disassembled, the electronic equipment has the advantages that the step of disassembling the rear cover is omitted, the complexity of the maintenance process is reduced, the maintenance time is shortened, the equipment damage risk caused by additionally disassembling the rear cover is effectively avoided, and the reliability of product maintenance is remarkably improved.

The invention discloses a building waste green recycling system, and relates to the technical field of building waste crushing and recycling, the building waste green recycling system comprises a support, the upper end face of the support is obliquely fixed with a feed inlet; the conveying assembly is mounted in the feeding hole; the crushing bin is fixed to the upper end face of the support and communicates with the feeding port. The separating assembly is mounted in the crushing bin; the aggregate bin and the steel bar bin are both fixed in the support and located below the crushing bin; wherein the separation assembly comprises a rubbing assembly and a crushing assembly, one end of the rubbing assembly is hinged to the interior of the crushing bin, the other end of the rubbing assembly is hinged to the output end of a cylinder body, the cylinder body is hinged to the outer wall of the crushing bin, and the crushing assembly is installed in the crushing bin and located above the rubbing assembly.

The invention discloses an optical system, a camera module and electronic equipment, the optical system comprises seven lenses with refractive power, and the optical system sequentially comprises a first lens, a fourth lens and a sixth lens with positive refractive power, and a second lens, a third lens, a fifth lens and a seventh lens with negative refractive power from an object side to an image side along an optical axis; wherein the object side surface of the first lens, the object side surface of the second lens, the object side surface of the third lens, the image side surface of the fourth lens, the object side surface of the fifth lens, the object side surface of the sixth lens and the object side surface of the seventh lens are convex surfaces near the optical axis; the image side surface of the first lens, the image side surface of the second lens, the image side surface of the third lens, the image side surface of the fifth lens, the image side surface of the sixth lens and the image side surface of the seventh lens are concave surfaces at the positions close to the optical axis. The optical system can satisfy miniaturization, and has a good imaging effect and a variable aperture characteristic.

The invention provides a copper conductor stranded wire winding device and a winding method thereof, and relates to the technical field of conductor winding, the copper conductor stranded wire winding device comprises a support, and the top of the support is provided with an over-twisting prevention structure; a tension adjusting structure is arranged at the bottom of the bracket; a guide structure is arranged on the outer side wall of the bracket; the anti-over-twisting structure comprises a winding roller rotationally connected to the top of the support, a square groove is formed in the outer side wall of the winding roller in a penetrating mode, a fixing base is fixedly connected to the outer side wall of the winding roller, a threaded rod is rotationally connected to the inner side wall of the fixing base, the outer side wall of the threaded rod is in threaded connection with a limiting plate, and a connecting block is fixedly connected to the end, away from the limiting plate, of the threaded rod; through cooperative use of a square groove, a fixed seat, a threaded rod, a limiting plate, a connecting block, a clamping block, a mounting hole, a main rotating disc, a belt and an auxiliary rotating disc, a cable can be fixed conveniently during stranding, the situation that friction force between the cable and a winding roller is low at the first time is avoided, the phenomenon that the cable is excessively twisted in the take-up process is avoided, and the cable is prevented from being damaged.

The application relates to the cable technical field and discloses a high-strength composite cable for an underwater robot, which comprises a cable core assembly, a strong shielding layer, a resistance strengthening assembly, an outer protective layer and an anticorrosion layer, wherein the resistance strengthening assembly comprises a plurality of annular support framework assemblies and piezoelectric assemblies. The resistance strengthening assembly is additionally arranged between the cable core assembly and the outer protective assembly, can provide tensile and compressive forces in the length direction and the radial direction of the cable, can effectively avoid the over-bending condition, has the pressure sensing data acquisition function and the magnetic positioning attraction function, can obtain the area where the cable is rubbed with the hard structure of the water bottom according to the pressure sensing data in real time, and can move the hard wear-resistant mechanism sleeved outside the cable to the corresponding friction area through the magnetic positioning attraction function, so that the wear-resistant protective structure is formed.

The invention relates to the technical field of sensors, and particularly discloses a temperature and humidity pressure sensor core, a sensor and a packaging method, and the core comprises a shell structure which is provided with a medium flow channel along the axis direction; the composite sintering seat is connected to one end of the shell structure and comprises a metal base and a conductive needle; the metal base is provided with a containing cavity in the axis direction and a pressure guide hole spaced from the containing cavity, and the conductive needle penetrates through the containing cavity in the axis direction and is fixed based on the sintering technology. Wherein a sintered body for sealing the accommodating cavity is sintered in the accommodating cavity, and two ends of the conductive needle respectively protrude out of the end surfaces of the metal base and the shell structure; the main conditioning circuit board covers the end face of the metal base and is electrically connected with the conductive needles; the pressure sensing chip is arranged on the metal base and blocks one end of the pressure guide hole; the temperature and humidity sensing component is electrically connected with the conductive needle away from the main conditioning circuit board, the sensor is compact in structure, the sealing performance is improved, and the sensor can stably operate under the working conditions of continuous vibration, high temperature and high pressure.

The invention discloses a dragging device for submarine cable laying, and relates to the technical field of submarine cable laying, the dragging device comprises a plurality of module bodies, the adjacent sides of two adjacent module bodies are connected with rotating parts, the rotating parts are used for limiting the rotation of the module bodies relative to the parallel axes of the edges of the adjacent module bodies, and the bending radius of a submarine cable is controlled by means of mutual limiting between the module bodies; fixing rings are arranged at the tops of the module bodies, traction steel wires in the fixing rings penetrate through the fixing rings to carry out lifting and traction operation on the single module bodies, two clamping rods are assembled and connected to the bottoms of the module bodies, and a driving assembly used for driving the two clamping rods to be opened and closed is arranged at the bottom of each module body; when the two clamping rods abut against each other, a clamping space can be defined to clamp the submarine cable, when the two clamping rods are separated, the submarine cable can fall under the action of self gravity, and the module body can be conveniently recycled while the bending radius of the submarine cable is controlled.

The invention relates to the technical field of optical fiber distribution boxes, and discloses a fusion-free redundancy-free optical fiber distribution box and a use method thereof.The fusion-free redundancy-free optical fiber distribution box is characterized in that an optical fiber connector is inserted and assembled in an optical fiber adapter, and a wire guide for winding the optical fiber connector is arranged in the distribution box; the optical fiber connector is provided with a locking device which enables the optical fiber connector to be self-locked in the optical fiber adapter, the disassembly operation of the optical fiber connector is simple and convenient, the limitation in the clamping groove is relieved through external force, the smoothness of the disassembly process is ensured, the locking device is arranged on the optical fiber connector, the self-locking mechanism and the disassembly mode thereof are improved, and the disassembly efficiency is improved. The stability and the tension resistance between the optical fiber connector and the optical fiber adapter are enhanced through the locking device, the problem that in the prior art, due to the fact that a locking protrusion and a locking groove are not tightly matched or clamping stagnation is not stable, the optical fiber connector falls off is effectively solved, the fixing stability of the optical fiber connector can be improved, and good tension resistance and impact resistance are achieved.

This invention relates to the field of fiber optic connector technology, specifically to a reliable multi-core fiber optic MPO connector, comprising a male connector and a female connector; the male connector includes a male housing and a male ferrule; the male ferrule has a guide pin at its end; the female connector includes a female housing and a female ferrule; the female ferrule has a mounting hole at its end; a buffer cavity is provided inside the female housing; a buffer spring is provided between the female ferrule and the buffer cavity; a female fiber assemblies pass through the buffer cavity; and a locking assembly is provided between the female ferrule and the male ferrule. This invention, by providing a buffer spring between the female ferrule and the buffer cavity, and by connecting the female ferrule and the male ferrule through a locking assembly, allows the buffer spring to elastically expand and contract to offset the impact force when the optical cable is subjected to external forces such as tension, compression, or collision, preventing the external force from being directly transmitted to the internal male and female fiber assemblies, thus preventing excessive bending, core displacement, or breakage of the male and female fiber assemblies, effectively protecting them.

This invention discloses a low-voltage wiring harness technology for vehicle front doors, specifically a structure for easy assembly and maintenance of a low-voltage wiring harness for vehicle front doors. The structure includes: a main front door wiring harness; at least one functional branch wiring harness assembly; and at least one quick-connect connector assembly. The quick-connect connector assembly includes a detachably connectable male connector terminal and a female connector terminal. The male connector terminal is provided with conductive contact terminals and is fixedly connected to the functional branch wiring harness assembly. The female connector terminal is disposed on the main front door wiring harness, thereby enabling the functional branch wiring harness assembly and the main front door wiring harness to form a modular connection. This invention employs a modular branch design combined with a foolproof quick-connect connector, completely changing the traditional overall binding mode. Assembly personnel can quickly connect the harness based on clear markings and the foolproof structure, significantly simplifying the assembly process and effectively reducing the probability of incorrect or missing connections.

The present invention discloses a cable connection protection and installation component and a use method thereof, comprising a first protective shell and a second protective shell, the tops of the first protective shell and the second protective shell are both threadedly connected with a fixing component, one side of the first protective shell is clamped and installed with the other side of the second protective shell, the second protective shell and the side of the fixing component are both sleeved and installed with a protective sleeve, the second protective shell and the side of the fixing component are threadedly connected with a buffer head, and the protective sleeve is sleeved on the outer surface of the buffer head. In the above scheme, the protective sleeve is shrunk by heating to fit the surfaces of the first protective shell and the buffer head, and the second protective shell and the buffer head, so as to complete the sealing of the two ends, thereby achieving a waterproof and moisture-proof effect, preventing the cable from short-circuiting or leaking due to damage to the insulation layer, clamping the cable to prevent the cable connection from falling off due to pulling, and at the same time, by pulling the cable, the cable connection is tighter, thereby further maintaining the stability of the cable.

The utility model discloses a kind of bending angle adjustable pipe bending device for shipbuilding, it is related to shipbuilding technical field, including workbench, the top of workbench is provided with side plate, the side of side plate is provided with linear driver, the working end of linear driver is provided with guide wheel, the top of workbench is also provided with heating column, heating column is provided with heating wire in, by rotating first knob, make second threaded rod rotate, and then drive moving block to move along fixed plate, therefore will drive limit block to slide in limit sliding slot, according to the bending angle required by angle scale dial calibration value determine the position of limit block, when the working end of linear driver pushes guide wheel and applies pressure to pipe body, guide wheel will drive moving slider to move in limit sliding slot, when moving slider meets limit block, the movement of moving slider will stop, to ensure that bending angle is in predetermined range, avoid excessive bending or insufficient bending.