11results about How to "Short action time" patented technology

The utility model discloses a rotary guide core-pulling structure capable of shortening an injection molding period, and relates to the technical field of injection molds. Comprising a bottom die main body, the bottom die main body is provided with a guide core-pulling mechanism used for an injection mold, the guide core-pulling mechanism comprises a rotating assembly and a fixing block arranged on the side wall of the bottom die main body, and a locking block is connected with a locking groove in a clamping mode, so that a connecting block can be effectively fixed; the connecting block is prevented from moving due to pressure fluctuation of the hydraulic rod or other factors, so that stable meshing of the gear rod and the annular gear is guaranteed, high pressure in the injection molding process is effectively resisted through rigid locking, displacement of the mold core is prevented, and the forming precision of precise structures such as threads is guaranteed; the energy is saved, the action time is shortened, locking and unlocking operation can be achieved by rotating the screw, and the device is simple, convenient and easy to control.

The application discloses a kind of multi-objective sled dog protection optimization method and system based on myxomycete dynamic weight, it is related to power distribution network relay protection technical field, including: obtaining fault current to establish action response characteristic model and sensitivity index, construct anti-time limit overcurrent protection double-objective optimization function;Global optimization is carried out using improved multi-objective sled dog algorithm, population is initialized by Piecewise chaotic mapping, dynamic weight is adaptively distributed by introducing myxomycete algorithm in local search stage, and individual position is updated in combination with local difference disturbance strategy;The solution set is objectively and comprehensively evaluated using entropy weight TOPSIS strategy and the optimal compromise setting value is output.The optimization method effectively resolves the conflict that traditional protection is difficult to consider both speed and sensitivity, and effectively guarantees the safe and reliable operation of the distribution network with distributed power supply.

The utility model belongs to the technical field of hydraulic control, and particularly relates to a hydraulic system capable of simultaneously controlling horizontal and vertical movement, which comprises an oil pump unit, a distribution valve group, a horizontal movement actuating mechanism, a vertical movement actuating mechanism and a control system. According to the device, a traditional structure with multiple independent driving devices is abandoned, motion control in the horizontal direction and the vertical direction is achieved only through one oil pump, and the number of equipment parts is greatly reduced. The overall structure of the system is simplified, the assembling difficulty and cost in the manufacturing process are reduced, and when equipment is maintained, due to the fact that the number of parts is reduced, troubleshooting and maintenance are more convenient, and the maintenance cost is reduced. For example, in automatic machining equipment, the number of driving devices is reduced, so that the equipment structure is more compact, and the manufacturing and maintenance cost is remarkably reduced.

This invention relates to the field of marine electrical safety technology, specifically to a high-voltage leakage current protection system for marine propulsion systems. The system includes a dynamic leakage current detection module, a signal processing and control module, a rapid power-off execution module, an environmental adaptability module, and an alarm module. The dynamic leakage current detection module is used to collect the current difference signal, insulation resistance signal, and auxiliary signals of the leakage current protection system in real time. The signal processing and control module is connected to the dynamic leakage current detection module and is used to run a dynamic leakage current detection algorithm to analyze the current difference signal and insulation resistance signal. This invention significantly improves the accuracy and reliability of leakage current detection by setting up dual-channel monitoring and a dynamic threshold algorithm. Combined with rapid power-off and intelligent humidity compensation strategies, it effectively reduces unnecessary downtime and improves system operating efficiency while ensuring safety.

The invention aims to provide the multi-surface detection synchronous linkage visual detection module which is low in cost and can realize high-efficiency and high-precision detection. The device comprises a visual detection device and a product suction rotating device which are matched with each other, the visual detection device comprises a three-axis movement mechanism and a plurality of detection camera assemblies, a pitching adjustment mechanism is arranged at the movable end of the three-axis movement mechanism, and the detection camera assemblies are all arranged at the movable end of the pitching adjustment mechanism. The product suction rotating device comprises a two-axis movement mechanism and a plurality of floating suction nozzle assemblies, a rotating mechanism is arranged at the movable end of the two-axis movement mechanism, and a linkage rotating assembly is arranged at the movable end of the rotating mechanism. The plurality of floating suction nozzle assemblies are correspondingly arranged on a plurality of mutually linked movable ends on the linkage rotating assembly, and the plurality of floating suction nozzle assemblies are correspondingly matched with the plurality of detection camera assemblies. The method is applied to the technical field of visual detection.

The invention relates to the field of circuit protection, in particular to an anti-vibration magnetic trigger device and an excitation fuse, which comprise a conductor which can be connected in series into a main circuit, at least two groups of magnetic trigger structures which are arranged around the conductor at intervals, and a self-excitation trigger loop, normally-open switch structures which are in one-to-one correspondence and linkage with the magnetic trigger structures are connected in series in the self-excitation trigger loop; the moving magnetizer structures of each group of magnetic trigger structures are different in displacement direction, and a counterforce device is arranged between the moving magnetizer structures of at least two groups of magnetic trigger structures. When applied in an excitation fuse, a self-excitation trigger signal may be provided to the excitation fuse. According to the invention, through more than two groups of magnetic trigger structures and counter-force devices, conduction of a self-excitation trigger loop caused by misoperation of the magnetic trigger devices during vibration is prevented, and the working reliability is improved.

The invention provides an electric switch, which comprises an insulating shell and internal elements, and is characterized in that the internal elements comprise at least one set of non-current overload heating thermal protection device, a set of current overload thermal protection device, a front-end power supply wiring device, a rear power supply wiring device, a moving contact device, a static contact device, a tripping mechanism and an operating mechanism; one set of non-current overload heating thermal protection device and one set of current overload thermal protection device are correspondingly arranged in the front-end power supply wiring device and the rear power supply wiring device, or two sets of non-current overload heating thermal protection devices are correspondingly arranged in the front-end power supply wiring device and the rear power supply wiring device; the non-current overload heating thermal protection device and the current overload thermal protection device are respectively provided with a thermal element, and the thermal elements drive the tripping mechanism to act to enable the switch to trip to disconnect the circuit. According to the invention, the protection function of the electrical switch under the overheating condition caused by non-abnormal current is added, and a control unit can not be arranged on the switch, so that the cost is greatly reduced.

Aiming at the problems of high energy consumption, low control precision and poor structural stability of the traditional hydraulic / pneumatic pressing equipment, the utility model discloses an all-electrically-driven multifunctional shoemaking forming machine, which adopts an all-electrically-driven design and realizes high efficiency, energy conservation and accurate pressing through cooperative control of an electric pressure supply device and a linear electric cylinder assembly. The equipment integrates two sets of shoe material pressing modules, an upper water pressing module is connected with a linkage push plate through a multi-layer connecting rod-guide rod composite transmission mechanism, the anti-offset capacity is enhanced through a connecting rod assembly with rotating shafts arranged alternately, and the friction performance of a kinematic pair is optimized in combination with a self-lubricating shaft sleeve and a separation ring; a variable pressure cavity and a sliding block adjusting mechanism are arranged in the electric pressure supply device, and 0-30 kg / cm < 2 > pressure control is achieved in cooperation with a replaceable rubber sheet (adaptive to vamp / sole forming). Compared with a traditional machine type, the energy consumption is reduced by more than 70%, the die assembly precision is improved to + / -0.05 mm, the noise is smaller than or equal to 65 dB, and the efficient, stable and environment-friendly requirements of the shoe material pressing process are met.

The present application relates to the technical field of automobile strap assembly, and particularly relates to an integrated equipment for assembling, detecting and discharging automobile straps, which comprises an assembly platform provided with an assembly mechanism, a visual detection mechanism and a sorting mechanism; a first feeding mechanism comprises a first positioning module; a second feeding mechanism comprises a preliminary positioning module, a rear positioning module and a front push-in module; wherein the first positioning module, the preliminary positioning module and the rear positioning module can reciprocate in the same direction, when the preliminary positioning module, the rear positioning module and the visual detection mechanism move to the same straight line, the front push-in module can push the automobile strap of the preliminary positioning module into the rear positioning module, and the product is pushed out to the visual detection mechanism at the same time; only one module is used to feed the strap body to be assembled to the rear positioning module, and the assembled automobile strap is also transferred from the rear positioning module to the next process for visual detection, so that the action time is effectively saved, and the production efficiency is improved.

This utility model discloses a power-on / off testing circuit and device for electricity meters. The circuit includes a main control module, a 485 communication module, a power supply module, and a relay module. The 485 communication module is connected to a host computer and the main control module, and is used to receive power-on / off test parameters sent by the host computer, convert the test parameters into electrical signals, and input them to the main control module. The power supply module is connected to both the main control module and the electricity meter under test, and is used to provide power to both the electricity meter and the main control module. The relay module is connected to both the main control module and the electricity meter under test, and is used to control the electricity meter under test to perform power-on / off testing according to the electrical signals received by the main control module. This utility model can improve the testing effect and efficiency of power-on / off testing of electricity meters.

The application relates to a coaxial connector dynamic assembly control method based on time domain reflection feedback. The method comprises the following steps: constructing a target impedance model; calibrating an assembly zero point; driving a shielding shell to quickly approach a preset safe depth; performing a fine regulation cycle of step-by-step pressing and impedance detection to obtain an instantaneous impedance characteristic value; and stopping pressing and fixing the position of the shielding shell when the instantaneous impedance characteristic value falls within the target impedance parameter range. The application controls the mechanical assembly depth through the electrical performance feedback closed loop, effectively eliminates the influence of the manufacturing tolerance on the characteristic impedance, solves the impedance dispersion problem in the assembly of special-shaped terminals, and significantly improves the high-frequency performance consistency and assembly yield of the connector.