23results about How to "Good work reliability" patented technology

The present invention discloses an intelligent self-powered active suspension with multi-level adjustable height in the automotive field and a working method thereof. The rod ends of the cylinder rod extending into the oil cylinder are all guide ends composed of a guide, a screw and a nut. There is no seal between the outer wall of the guide and the inner wall of the oil cylinder. The screw and the cylinder rod are provided with oil guide grooves that penetrate the rodless cavity and the rod cavity, and there is no need to consider the sealing problem. A non-closed working oil circuit is adopted, and a suspension height adjustment device comprises a first and a second height adjustment oil and gas cylinders with unequal volumes. The first height adjustment oil and gas cylinder, a third solenoid valve, a high-pressure gas storage tank, a first non-return valve, an electric air compressor unit and a low-pressure gas storage tank are connected in series in sequence, and energy can be pre-stored in advance. Four-speed height control is achieved by two parallel-connected height adjustment oil and gas cylinders with different volumes, so that the vehicle body can be at a low height when the vehicle is driving at high speed, at a normal height when the vehicle body is in urban conditions, and at a height when the vehicle body is driving on bumpy roads. The vehicle body can also be rescued from a pit when the wheel is stuck in it.

The invention discloses an underwater net cage inspection robot based on a side-scan sonar and an AUV platform and a use method of the underwater net cage inspection robot. The underwater net cage inspection robot comprises a pressure-resistant cabin, a control system in the cabin, a main body frame, a propelling system on the main body frame, a communication device and an inspection operation system. Wherein the inspection operation system comprises a detection camera, an inspection auxiliary side-scan sonar and a navigation technology combining a GPS (Global Positioning System) and an INS (Inertial Navigation System). And the underwater robot determines the position of the underwater robot through combined positioning of the GPS and the INS and keeps communication with the ground station. And after the net cage arrives at a specified inspection area, detecting the position, the shape and the surrounding environment of the net cage by using a side-scan sonar, constructing a detailed seabed image, and planning an inspection path and performing efficient inspection according to the path by cooperating with the synergistic effect of a control system. Meanwhile, the camera is used for monitoring the surface condition of the net cage in real time, the problem of damage or foreign matter attachment can be recognized, and the comprehensiveness and accuracy of inspection work are ensured.

The utility model provides a buffering structure and an engine rocker arm, the buffering structure is suitable for the engine rocker arm, the engine rocker arm comprises a rocker arm body, a transmission portion and a connecting portion, the buffering structure comprises a buffering piece, and the end portion of the buffering piece is used for abutting against one end of the connecting portion. The other end of the connecting part is used for extruding the air valve to move in the first preset direction and towards the direction close to the piston, and the buffering piece has a first state and a second state; when the buffer part is in the first state, the buffer part extends in the first preset direction; when the buffering piece is in the second state, the buffering piece is bent in the second preset direction, and the first preset direction is perpendicular to the second preset direction; and the extrusion assembly abuts against the buffer part, and the extrusion assembly is movably arranged in the second preset direction so as to drive the buffer part to be switched between the first state and the second state. The buffering structure solves the problem that the working reliability of an engine in the prior art is poor.

The utility model provides a secondary transfer type low height requirement lift structure, lift structure includes driving lift structure, driven lift structure, coupling body and safety tongs, the driving lift structure has driving lift end and is connected with trigger device, driving lift structure is connected with driven lift structure through coupling body, and the safety tongs is connected with the driven lift structure through the coupling body. The driving lifting structure is connected with the driven lifting structure and drives the driven lifting structure to swing synchronously, the driven lifting structure is connected with the safety tongs, and the driving lifting structure, the driven lifting structure and the connecting body are all fixedly installed on the car bottom bracket and do not exceed the height range of the car bottom bracket. The lifting structure is a two-stage transmission structure, the height of the whole lifting working structure does not exceed the height of the car bottom bracket, interference of the structure can be effectively avoided, the working stability of the structure is good, and the lifting structure is suitable for being used in an elevator structure with the high space requirement.

The invention relates to a slab ingot crystallizer for aluminum alloy negative pressure pouring and a working process, the slab ingot crystallizer comprises a crystallizer body, the crystallizer body is of a square annular structure, a step is arranged outside the crystallizer body, a water cavity is formed in one step surface, and an inclined hole is formed in the water cavity; a boss is arranged in the crystallizer body, a gas ring is installed on the boss in a matched mode, an oil ring is installed on the top face of the gas ring through a graphite corrugated belt, a lower clamping ring is installed outside the gas ring and the oil ring at the same time, the lower clamping ring presses the crystallizer body at the same time, and a hot top is installed on an inner ring of the lower clamping ring through a C-shaped seal. A plurality of molten aluminum inlets which are uniformly distributed are formed in the hot top, an upper clamping ring is mounted on a circle of the edge of the top surface of the hot top through a fastener, and the upper clamping ring is locked with a lower clamping ring; the dummy bar head is installed at the bottom of the crystallizer body in a matched mode, the molten aluminum cavity is formed between the dummy bar head and the hot top, and work is reliable and safe.

The utility model provides a transformer framework, transformer, power module and electric equipment, the transformer framework includes the body, the body has two side plate and winding reel, one side plate is connected with one end of winding reel, the body has the magnetic core jack, the magnetic core jack passes through winding reel and two side plate in the axial direction of winding reel, the side plate is provided with the fixed wire pin, and the fixed wire pin is connected with the winding reel. The wire fixing pin is provided with a pin part and a wire fixing part, in the height direction of the body, the pin part extends out of the side plate, the height direction is perpendicular to the axial direction, the wire fixing part is located on the side, opposite to the winding reel, of the side plate, the wire fixing part is provided with a wire clamping groove, and the wire fixing part can be plastically deformed. The transformer is provided with the transformer framework, the power module is provided with the transformer, the electric equipment is provided with the power module, the transformer framework has the advantages of being convenient to produce and capable of reducing production process difficulty and cost, and the transformer framework can improve the quality and voltage resistance of the transformer.

The utility model discloses an optical fiber SPR (Surface Plasmon Resonance) sensor and a detection system based on the optical fiber SPR sensor. The optical fiber SPR sensor comprises a sensing substrate, a first electrode and a second electrode, the metal film is fixedly arranged outside the induction base body, and the metal film wraps the induction base body; and the monosulfide layer is fixedly arranged outside the metal film. By changing the structure of the sensing substrate and adopting the monosulfide layer, the electric field intensity of surface plasma coupling is enhanced, and the sensitivity of the optical fiber SPR sensor is improved; meanwhile, the optical fiber SPR sensor has stability and repeatability, and the working reliability of the optical fiber SPR sensor in actual biological detection is further enhanced.

This invention provides a triboelectric nanogenerator and its fabrication method. The generator operates in a vertical contact-separation mode, with a positive friction layer of PET film and a negative friction layer of PDMS composite film with a single layer of dense SiO₂ microspheres inserted on its surface. The fabrication process employs a two-step spin-coating method: first, a PDMS solution is spin-coated onto a substrate; then, a suspension of SiO₂ microspheres is spin-coated onto the uncured surface. After heating and curing, a composite negative friction layer is formed, which is then assembled with electrodes and a support structure. This invention significantly increases the triboelectric contact area and enhances charge trapping capability by constructing the SiO₂ microsphere insertion layer, thereby greatly improving output performance. Furthermore, the fabrication process is simple and low-cost, making it suitable for powering microelectronic devices and self-powered sensing applications.

A tunnel MJS construction method foundation reinforcing device and a method for using the same, the reinforcing device comprising a rack, a grouting machine, an infrared emitter, an infrared receiver, a first mounting assembly, a second mounting assembly, the infrared emitter being rotatably connected to one side of a grouting rod on the grouting machine through the first mounting assembly, the infrared emitter being coaxial with the grouting rod on the grouting machine when the first mounting assembly is rotated to a first position, the second mounting assembly comprising a positioning disc, a gear and a plurality of support rods, the infrared receiver and the gear being coaxially arranged on the positioning disc, the support rod comprising a fixed rod and a rack, one end of the rack being engaged with the gear, and the other end of the rack being fixedly connected to one end of the fixed rod, the gear being used to drive the plurality of fixed rods to synchronously extend until the other end face of the fixed rod is in contact with the inner wall of the grouting hole. The design realizes the alignment of the grouting hole and the grouting hole through the matching of the infrared emitter and the infrared receiver, and has small alignment error and good precision.

This invention provides a laser tube cutting chuck, comprising a front cover, four grippers, two sets of drive devices (two sets in each set) for correspondingly driving the movement of the four grippers, a rear cover, a connecting seat for fixing the front and rear covers together, a frame, a rotary drive mechanism mounted on the frame for driving the rotation of the four grippers, and two sets of rack and pinion synchronization mechanisms fixedly mounted at the rear end of the front cover for rigidly constraining the motion synchronization of the two sets of drive devices in the same set of the two sets of drive devices. The synchronization mechanism includes two synchronous drive racks fixedly connected to the two sets of drive devices in the same set, two synchronous gears rotatably mounted on the front cover and correspondingly meshing with the two synchronous drive racks, and synchronous connectors at both ends meshing with the two synchronous gears. This chuck enables precise synchronization during the movement of the two sets of grippers (up / down and left / right), and the drive devices and synchronization mechanisms operate smoothly without interference, ensuring reliable operation.

The utility model provides an airborne multifunctional partial discharge detection device. The airborne multifunctional partial discharge detection device comprises an ultrasonic detection unit; the three-axis holder is connected with the unmanned aerial vehicle; the first shell is connected with the three-axis holder, the electromagnetic wave detection unit is arranged in the first shell and connected with the first antenna, and the ultrasonic detection unit is arranged on the first side wall of the first shell; the plurality of interfaces are arranged on the second side wall of the first shell, and the sealing unit surrounds the plurality of interfaces and is attached to the second side wall. The device has the advantages of being good in applicability and the like.

The utility model discloses an electric energy meter forcible entry rack protective outer cover, which comprises a bottom rack, the bottom rack comprises a bottom support frame and an upper support frame, a first connecting bar is fixedly connected between the bottom support frame and the upper support frame, and the inner side of the bottom support frame is fixedly connected with a cross reinforcing bar. The cross-shaped reinforcing bars are arranged to increase the strength of the bottom supporting frame and enable the bottom bearing plate to have higher bearing performance, the transverse reinforcing bars are fixedly connected to the inner side of the upper supporting frame, and the transverse reinforcing bars enable the upper bearing plate to have higher bearing performance; the stability of the cross-shaped reinforcing bars and the transverse reinforcing bars in the vertical direction is further improved through the arrangement of the second connecting bars; the protective outer cover located on the upper bearing plate covers the whole drilling machine, the sound insulation effect can be achieved, the dust prevention effect can be further achieved, meanwhile, the whole structure of the bottom rack is stable, working vibration of the drilling machine can be borne for a long time, and the protective outer cover of the rack is overall firm and durable and has better working reliability.

The application discloses a kind of automobile towing tow hook devices, it is related to automobile tow hook technical field;And the present application includes U-shaped main plate, cover plate, tow hook seat and bottom supporting plate, the tow hook seat is rotatably connected to one end of U-shaped main plate, the cover plate is connected at the end of U-shaped main plate and cover plate, the bottom supporting plate is slidably connected to the middle of U-shaped main plate;The middle of the lower end of the two sides of U-shaped main plate is provided with horizontal sliding slot, the middle of the lower end of the two sides of U-shaped main plate is provided with inclined sliding slot on one side, the other side of the lower end of the two sides of U-shaped main plate is provided with inner rotating hole, the outer side of two the inner rotating hole is provided with outer rotating hole;The present application is slid by adopting the sliding piece lever sliding linkage structure, cooperates with sliding slot guide transmission, by poking sliding piece can realize tow hook unfolding and storage, discard traditional hidden tow hook thread rotation disassembly mode, can effectively avoid the jamming, rust death phenomenon caused by thread rust, opening and closing switch simple labor-saving, emergency use efficiency is high.

A unit base structure integrated with a lubricating system comprises main beams, the two main beams are supported and connected through a plurality of spaced cross beams, an oil pump mounting plate is welded to the outer end face of the main beam located at one end, a pre-supply oil pump and an oil supplementing pump are fixed to the oil pump mounting plate, and a flange cover plate is installed on the outer end face of the main beam located at the other end through a sealing gasket and a fastener. The interiors of the left main beam and the right main beam are hollow structures and are filled with oil, the left main beam serves as an auxiliary oil tank, and the right main beam serves as a new oil tank; the upper portion of the engine oil pan is communicated with the interior of the auxiliary oil tank through an overflow pipe, an engine oil level sensor is installed beside the engine oil pan, the lower portion of the engine oil pan is communicated with the interior of the auxiliary oil tank through an oil pre-supply pump, and the auxiliary oil tank and the new oil tank are connected to an oil supplementing pump at the same time; and the engine lubricating oil pump pumps oil from an engine oil pan to supply lubricating oil to the engine, so that the occupied space is greatly saved, the oil tank is convenient to maintain, and the working reliability is good.

The utility model discloses a gear shifting system and agricultural machinery. An output shaft of a driving part of the gear shifting system is in transmission connection with a driving shaft of a first pump; an output shaft of the hydraulic motor is in transmission connection with an input shaft of the gearbox; two first communication ports of the hydraulic motor are communicated with two oil ports of the first pump in a one-to-one correspondence manner; the switch control valve, the hydraulic motor and the first pump are arranged in parallel; two second communication ports of the switch control valve are communicated with two oil ports of the first pump in a one-to-one correspondence manner; the output shaft of the driving part is further in transmission connection with a driving shaft of the second pump, an oil inlet of the second pump is communicated with the oil tank, an oil outlet of the second pump is communicated with a loop formed by the hydraulic motor and the first pump to supplement oil to the loop, and the oil outlet of the second pump is further communicated with a gear shifting oil inlet of the hydraulic gear shifting assembly to be used for driving gear shifting so as to enable the gearbox to shift gears. The gear shifting system is simple in structure, low in production cost, good in collaboration, good in working stability and reliability and capable of rapidly and efficiently shifting gears and prolonging the service life of the gear shifting gear ring.

The utility model relates to an automatic damping and centering lifting mechanism special for an intelligent tour inspection system, which comprises a frame, a fixed bottom plate is arranged in the middle of the bottom of the frame, a motor and a speed reducer are mounted on the bottom plate, symmetrical rotating shafts are output from the output end of the speed reducer, and a main shaft is mounted on the rotating shafts through couplings. Belt transmission mechanisms are installed on the main shaft, the two belt transmission mechanisms are symmetrically arranged on the left side and the right side of the frame, connecting pieces are fixed to transmission belts of the belt transmission mechanisms through toothed plates, lifting plates are fixed to the upper portions of the connecting pieces, roller line assemblies are fixed to the upper portions of the lifting plates through fasteners, and luggage trays are placed on the upper portions of the roller line assemblies; the belt transmission mechanism runs to drive the roller line assembly to move up and down; the four corners of the lifting plate are each provided with a guide shaft assembly. Through the redesign of the guide shaft assembly, the lifting and descending work of the luggage tray can be conveniently completed, the operation is stable, the working reliability is good, and the noise is low.

A special automatic conveying device and work flow for capacitors, belonging to the technical field of automatic conveying equipment, comprises a base plate, a servo slide is installed on the base plate, a servo mobile trolley is installed on the servo slide, a lifting mechanism is installed on the top surface, and a displacement grabbing mechanism is installed on the upper surface of the lifting mechanism; a plurality of loading platforms are arranged at intervals on one side of the servo slide, an accumulation line is arranged on the upper part of the outer end of the servo slide, a sling is suspended at the bottom of the accumulation line, the sling corresponds to the displacement grabbing mechanism, the displacement grabbing mechanism grabs the workpiece and puts it into the sling, and the workpiece in the sling is also grabbed to the loading platform by the displacement grabbing mechanism, and the loading and unloading of capacitors can be conveniently realized through the cooperation between the slide, the loading platform, the servo mobile trolley, the lifting mechanism, the displacement grabbing mechanism and the sling, which brings great convenience to the entire conveying, has high automation program, good working reliability and high overall working efficiency.

A material distributing and conveying device with a metal screening function comprises a shredder, the shredder is connected with a conveyor, a metal detector is installed on the conveyor, a material distributing device is installed at the output end of the conveyor, the material distributing device is provided with a first output port and a second output port, the first output port is connected with a pulverizer, and the second output port is connected with a metal receiving hopper. When a plastic product conveyed by the conveyor contains metal, a metal detector sends out a signal to be transmitted to a pneumatic electromagnetic valve of the material distributing device, the switching work of a first output port and a second output port in the material distributing device is switched by starting an air cylinder to work, and when a blade blocks the first output port, the part with the metal can be discharged from a specified channel; according to the method, the machine does not need to be stopped, manual selection is not needed, the productivity is increased, manpower is saved, the cost is saved, and the working efficiency is improved.

The utility model belongs to the technical field of power equipment, and discloses an interlocking device and switch equipment. The interlocking device comprises an operation panel, a shielding plate, a lock rod and an elastic piece. The operation panel is provided with an operation hole and a first long-strip-shaped hole. The first long-strip-shaped hole comprises a locking part and a sliding part. The shielding plate is arranged on the inner side of the operation panel in a sliding mode, and a connecting hole corresponding to the first long-strip-shaped hole is formed in the shielding plate; the lock rod comprises a locking section and an unlocking section, one end of the unlocking section is connected with the locking section, and the other end of the unlocking section slidably penetrates through the first long-strip-shaped hole and the connecting hole in the axial direction of the unlocking section. The locking section is used for being matched with the locking part to enable the shielding plate to be kept at the position for shielding the operation hole, the locking rod is pulled to enable the locking section to be separated from the locking part, and the unlocking section can slide in the sliding part to drive the shielding plate to be away from the operation hole; the elastic piece is configured to always have the trend of pulling the locking section to be close to the operation panel. According to the interlocking device, locking and unlocking of the shielding plate can be realized, so that the reliability of shielding the operation hole by the shielding plate is ensured.

The invention relates to a pressure chamber feeding valve driven by differential pressure and provided with a sampling port and an operation method. The pressure chamber feeding valve comprises a valve body, a valve element is installed in the valve body in a matched mode, a driving mechanism is fixedly installed on the top face of the valve body, and the valve body and the valve element move relatively through screwing and unscrewing actions of the driving mechanism; compared with a ball valve feeding and throttling valve sampling scheme, the sealing performance is better after feeding and sampling under the condition that pressure exists in the pressure chamber, the safety is higher, and the cost is lower; when the valve core reciprocates once, one-time feeding and sampling are completed at the same time, so that the use efficiency is higher; the sampling volume of each time is controlled, and the pressure fluctuation risk of the pressure chamber is reduced; the whole integrated operation is more convenient, the working reliability is good, the efficiency is high, and the safety coefficient is high. In addition, the caliber of the valve channel can be modified according to the size of deep-sea animal food, so that the deep-sea animal can pass more easily.

The present invention discloses a pumpless seabed mining conveying system, comprising a surface ship, an underwater storage bin and a conveying device for conveying minerals in the underwater storage bin to the surface ship, the conveying device comprising a cable and a driving assembly arranged on the surface ship, the two ends of the cable are connected to the driving assembly, the middle part of the cable is wound around the underwater storage bin, and two lifting sections driven up and down by the driving assembly are formed between the underwater storage bin and the driving assembly; each lifting section is equipped with a lifting bin that can be carried by the lifting section to move between the surface ship and the underwater storage bin, and the lifting bin is provided with an openable and closable feeding mechanism for docking with the underwater storage bin to receive the minerals and an openable and closable discharging mechanism for discharging the minerals. The present invention has the advantages of simple structure, low cost, good working reliability and continuity, simple deployment, recovery and maintenance, and low requirements on the carrying capacity and performance of the surface ship.

The application relates to a valve timing system of a V-type two-cylinder four-valve engine. The application comprises cylinder blocks arranged in a V type, cylinder heads arranged on two sides of the cylinder blocks respectively, two intake valves and two exhaust valves arranged on each cylinder head respectively, a combustion chamber of the cylinder head being a pinnacled combustion chamber, an air inlet of the cylinder head being arranged at the front end of the engine, an exhaust port of the cylinder head being arranged at the rear end of the engine, and a space for accommodating a valve timing system being formed in the middle of the engine; the valve timing system comprises a camshaft arranged in the middle of the cylinder block and driven to rotate by a crankshaft, four cams arranged on the camshaft in the axial direction, four tappets, four push rods, one end of each push rod being movably connected with a corresponding tappet, and a rocker arm mechanism comprising two rocker arm seats oppositely arranged on each cylinder head and intake rocker arms and exhaust rocker arms rotatably arranged on each rocker arm seat. Under the premise of meeting various requirements of the vehicle level, high performance, small size and low cost of the engine are realized.

The utility model relates to a drill bit trimming device which comprises a base, a guide rail, a stepping motor and a moving block in sliding fit with the guide rail are arranged on the base, a rotating groove is formed in the top of the moving block, a rotating shaft is fixedly installed at the top of the rotating groove, and a bearing is installed at one end of the rotating shaft in a sleeved mode. A bearing is arranged on the base, a rotating support is fixedly connected to the bearing, a mounting frame is arranged on the rotating support, a rotatable rotating cylinder is arranged on the mounting frame, a fixing cylinder used for fixing a drill bit is arranged on the rotating cylinder, holding rods are fixedly installed at the two ends of the rotating cylinder, and a grinding disc is fixedly connected to the output end of the stepping motor. The drill bit trimming device is simple in overall structure, convenient to operate, good in practicability, favorable for being used by a green hand, good in working reliability and more favorable for improving the trimming effect of a drill bit.