25results about How to "Short action time" patented technology

The invention relates to the field of low-voltage electric appliances, in particular to an operating mechanism which comprises a mechanism support, a rocker arm, a jump fastener, a lock fastener, a second connecting rod, a main spring, a first connecting rod and an output part, the rocker arm, the jump fastener, the locking fastener and the output member are respectively and rotatably arranged on the mechanism support, the second connecting rod and the jump fastener are rotatably connected around a third shaft, the second connecting rod and the first connecting rod are rotatably connected around a second shaft, and the first connecting rod and the output member are rotatably connected around a first shaft to drive the output member to rotate back and forth. The first shaft, the second shaft and the third shaft are arranged in parallel at intervals, one end of the main spring is connected to the rocker arm and the other end is connected to the second shaft, and the output piece is in transmission connection with a moving contact mechanism; the operating mechanism further comprises an auxiliary spring acting on the jump fastener, and when the buckling matching between the locking fastener and the jump fastener is released, the main spring and the auxiliary spring are used for driving the jump fastener to rotate in the same direction. The operating mechanism is high in tripping efficiency and high in reliability.

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 utility model provides a buffer hinge damper assembly equipment, including frame, rotating mechanism, turntable, spacing mechanism, pushing mechanism, loading mechanism and hold-down mechanism, rotating mechanism is provided in frame, turntable is connected with rotating mechanism, on turntable is provided with a plurality of assembly groove, spacing mechanism is provided above turntable, pushing mechanism is provided on the loading mechanism, and hold-down mechanism is provided on the loading mechanism. The limiting mechanism comprises a limiting clamping jaw air cylinder and two limiting blocks, the limiting clamping jaw air cylinder is connected with the two limiting blocks so as to drive the two limiting blocks to get close to each other or get away from each other, a limiting channel is formed between the two limiting blocks, and the pushing mechanism is arranged above the limiting mechanism and used for pushing a workpiece to the assembling groove. The feeding mechanism comprises a vibration feeding disc and a feeding track, the vibration feeding disc is arranged on the machine frame, one end of the feeding track is arranged above the limiting mechanism, the other end of the feeding track is connected with the vibration feeding disc, and the pressing mechanism is arranged on the machine frame. According to the buffer hinge damper assembling equipment, the situation of missing clamping can be avoided, and the working efficiency is higher.

The present invention belongs to the field of wafer manufacturing technology, and particularly relates to a device for preventing fog from overflowing in a wafer photoresist and metal stripping process. The device comprises a fixed splash-proof ring, an inner splash-proof ring, a primary filtering device, a lifting splash-proof ring, a lifting splash-proof ring driving mechanism and an exhaust duct, wherein the fixed splash-proof ring, the inner splash-proof ring and the lifting splash-proof ring are nested from outside to inside in sequence, and an annular gap is left between the inner splash-proof ring and the fixed splash-proof ring, the primary filtering device is arranged at the lower end of the inner splash-proof ring, the lifting splash-proof ring driving mechanism is connected to the lifting splash-proof ring, and is used to drive the lifting splash-proof ring to rise and fall, the exhaust duct is connected to the fixed splash-proof ring, and is communicated with the annular gap between the inner splash-proof ring and the fixed splash-proof ring. The present invention has a three-layer filtering system and a unique exhaust flow field, which prevents metal debris from entering the exhaust duct and fog from condensing and accumulating in the exhaust duct, and solves the problems of fog overflow, air duct blockage and low metal recovery rate that occurred when the stripping cavity was used in the past.

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.

The utility model discloses a grabbing pre-screwing mechanism of a filling cap screwing machine, which comprises a first rotating arm and a second rotating arm which are used for grabbing a screwing cap, the first rotating arm and the second rotating arm are the same in structure, and the first rotating arm and the second rotating arm are symmetrically arranged on two sides of a mounting plate. The mounting plate is provided with a first power assembly used for driving the first rotating arm and the second rotating arm to rotate around respective central axes so as to achieve the pre-rotating action of the bottle caps, and further provided with a second power assembly used for driving the mounting plate to rotate and a third power assembly used for driving the mounting plate to ascend and descend. According to the screw cap assembling device, the action time is short, bottles to be filled can be grabbed for the screw cap in advance, and the assembling efficiency is improved.

The invention discloses a welding seam detection device for a hot galvanizing ribbon production line, the welding seam detection device comprises a fixed seat, a control box, an L-shaped mounting plate and an inspection table, the top of the inspection table is connected with one side of the fixed seat through an adjusting cylinder, one side of the fixed seat is connected with a support plate through a telescopic cylinder, and one side of the fixed seat is provided with a plurality of support grooves which are symmetrically arranged; a supporting mechanism corresponding to the supporting plate is fixedly connected into the supporting groove, a first motor is fixedly connected to one side of the supporting plate, a fixing plate is fixedly connected to the output end of the first motor, and one end of the fixing plate is fixedly connected with the control box. Through the arrangement of the coil doubling production line and the adjustable welding seam mechanism, two original steel coils can be combined into one steel coil, the working efficiency of a crown block can be improved, meanwhile, the detection equipment is arranged at the acid rolling welding seam in the coil doubling process, production can be operated only after welding seam inspection is conducted, and the stop time of an inlet area is greatly shortened.

The embodiment of the invention provides a refresh circuit and a refresh method of a memory and the memory. The refresh circuit comprises an address generation module and an address decoding module, the address generation module generates an address signal and determines a word line control signal according to a refresh command, and the address decoding module determines M address selection signals according to the address signal and the word line control signal, each address selection signal comprises a module address selection signal and a row address selection signal, the M module address selection signals are in one-to-one correspondence with the M storage modules, and the M row address selection signals are in one-to-one correspondence with the M word lines, so that the M address selection signals correspond to the M different word lines of all the storage modules; different word lines of all memory modules can be opened at the same time, the voltage drop on the word lines can be reduced, and the action duration of the word lines can be shortened, so that the refreshing success rate of the memory is improved, and the stability of the memory is improved.

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.

A rotary switch with a remote control switching function includes an operating mechanism, an energy storage module and a release; the energy storage module includes a transmission rod, and the energy storage module is connected to the operating mechanism through the transmission rod; the energy storage module also includes an energy storage component, and the energy storage component can move back and forth between an energy-stored position and an energy-unstored position. The present invention arranges an energy storage module and a release on the side of the switch, and when a remote action signal is received, the release unlocks the locking component of the energy storage module, and the energy storage component of the energy storage module releases energy to drive the operating mechanism to switch, and then drives the rotary switch to switch, thereby realizing millisecond-level remote control switching of the rotary switch.

The invention relates to a subway platform door control device and system, and the device comprises an SIG logic control circuit, a PSL logic control circuit, an IBP logic control circuit, and a door opening and closing control circuit: the SIG logic control circuit outputs an SIG enable control signal according to an SIG switch enable signal, a PSL enable end control signal, an IBP enable end control signal, and an SIG switch control signal; outputting a corresponding gate control signal; the PSL logic control circuit outputs a corresponding gate control signal according to a PSL enable end control signal, an IBP enable end control signal, a PSL switch enable signal and a PSL switch control signal; the IBP logic control circuit comprises at least one switch tube, and outputs a corresponding gate control signal according to an IBP switch enable signal and an IBP switch control signal; the door opening and closing control circuit is connected with the SIG logic control circuit, the PSL logic control circuit and the IBP logic control circuit and used for controlling opening or closing of a subway platform door according to the door control signal. According to the invention, the action time of metro platform door control is shortened.

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 utility model belongs to the technical field of automobile production, and particularly relates to an automobile welding adjusting line door opening mechanism which comprises a support, an air cylinder, a positioning pin, a lifting air cylinder and an arc-shaped moving mechanism, the air cylinder is installed on the support, and a piston rod of the air cylinder is connected with the arc-shaped moving mechanism and drives the arc-shaped moving mechanism to move along an arc-shaped track. The lifting air cylinder is installed on the arc-shaped moving mechanism, a piston rod of the lifting air cylinder is connected with the positioning pin, and the positioning pin is used for positioning a vehicle door. According to the device, the action time is greatly shortened, and the production efficiency is improved.

The utility model relates to the technical field of logistics, and discloses an empty and full tray exchange device which comprises a base, a plurality of trays, a plurality of trays and a plurality of trays, the placing area is positioned below the through hole; the supporting structure is movably arranged on the base and is provided with a first position for shielding at least part of the through hole and a second position for leaving the through hole, when the supporting structure is located at the first position, the tray bearing the articles is suitable for being supported by the supporting structure, and when the supporting structure is located at the second position, the empty tray is suitable for falling into the placing area through the through hole; the driving mechanism is connected with the supporting structure and used for driving the supporting structure to move. Compared with the prior art, one tray position can be reduced, the occupied space is small, the space utilization rate is improved, and meanwhile the action time of the forklift can be shortened.

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 discloses a control circuit for quick closing of a relay and an implementation method thereof, and relates to the technical field of relay control circuits, the control circuit comprises a relay S1, a diode D1, voltage stabilizing diodes D2 and D3, triodes Q1 and Q2, an energy storage capacitor C1, and resistors R1, R2, R3, R4 and R5, a point 3 and a point 4 of the S1 are connected to two ends of a load; a point 1 of the S1 is simultaneously connected with a negative electrode of the D1 and a positive electrode of the C1, the positive electrode of the D1 is connected with a 12V power supply, a negative electrode of the C1 is grounded through the R1 and is simultaneously connected with a collector electrode of the Q1, and a base electrode of the Q1 and an emitter electrode are jointly connected with the 12V power supply through the R2 and the R3 which are connected in series; a point 2 of the S1 is grounded through D3 and is connected with a collector electrode of Q2, a base electrode of the Q2 is connected with a trigger signal through R4, and an emitter electrode of the Q2 is grounded; the collector electrode of Q2 is also connected with the cathode of D2, and the anode of D2 is connected with a 12V power supply through R5 and R3 which are connected in series. By changing the trigger signal, the working voltage of the coil can be increased at the moment that the relay is connected, and the coil recovers to the normal working voltage after the contact is closed.

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.

The invention relates to turnover equipment, which comprises a movable carrier plate frame, a turnover mechanism, a turnover mechanism, a turnover mechanism and a turnover mechanism, wherein the movable carrier plate frame is provided with carrier plates and is in a vertical state; the bracket is fixed on the horizontal plane and is rotatably connected with the movable carrier plate frame; one end of the driving assembly is connected to the movable plate carrying frame, the other end of the driving assembly is connected to the support, and the driving assembly drives the movable plate carrying frame to overturn around the support. In addition, the invention also relates to a method for overturning by using the overturning equipment. According to the invention, the support plate is directly overturned to the horizontal state and then the sheet is placed, the support plate is overturned to the vertical state after the sheet is placed, the sheet does not need to be overturned, the action time of placing the sheet into the support plate is short, and the sheet is placed in the horizontal state and does not move up and down in the sheet clamp, so that the production efficiency is improved. According to the invention, the sheets can be completely placed into the carrier plate more quickly and stably without generating fragments, so that the fragment rate of the sheets 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 invention provides a forming machine rotating platform and a forming machine rotating platform positioning method. The forming machine rotating platform comprises a base. The driving assembly is arranged on the base; the rotating table is used for placing the forming machine and is rotatably connected with the base, the driving assembly is in driving connection with the rotating table and drives the rotating table to rotate, and the rotating table is provided with a limiting structure; and the limiting assembly is arranged on the base and comprises a fixing piece, a limiting piece and at least one adjusting piece, the fixing piece is connected with the base, the adjusting pieces are arranged between the fixing piece and the limiting piece in the mode that the number of the adjusting pieces can be adjusted, and when the rotating table rotates in place, the limiting structure and the limiting piece are matched in an abutting and limiting mode. The problems of poor precision and low efficiency of a positioning mode in the prior art are solved.

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 utility model relates to the technical field of plunger assembly closing-in devices, in particular to a plunger assembly closing-in die working mechanism which comprises a machine frame, a servo electric cylinder arranged on the top of the machine frame, a two-stage pressing head arranged below the servo electric cylinder and a die assembly arranged below the two-stage pressing head. The mold assembly comprises a mold base arranged on the rack, a left half mold body and a right half mold body are arranged on the mold base, the two sides of each mold body are each connected with a mold closing air cylinder, the mold closing air cylinders drive the mold bodies to be closed to form a containing cavity in an enclosing mode, a clamp is arranged in the containing cavity, and the top of the clamp clamps a plunger assembly. The output end of the servo electric cylinder moves downwards to abut against the two-stage pressing head, and the two-stage pressing head is driven to move downwards to abut against the plunger assembly to conduct pressing closing. The closing-in die working mechanism is small in space size, compatible with forward closing-in and reverse closing-in, low in energy consumption and capable of solving the technical problems that hydraulic power energy consumption is high, wrapping closing-in adjusting time is long, and closing-in consistency is poor in existing plunger assembly buckling and pressing assembly.

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.