19results about How to "High operational reliability" patented technology

The utility model discloses a switch operation accessory, including accessory casing, the transmission assembly and operation subassembly of setting in the accessory casing, operation subassembly sets up transmission assembly on, transmission assembly is used for with the detachable connection of control device's power output shaft, power output shaft rotates and drives transmission assembly movement, operation subassembly is driven under transmission assembly and makes linear movement, and operation subassembly can be with switch device's key contact and control switch device's opening and closing, the utility model discloses the rotary motion is converted into linear motion, realizes the intelligent control to switch device, the utility model discloses still a kind of switch operation subassembly and intelligent control device.

This utility model relates to the field of actuator technology, and in particular to a centrally positioned pneumatic actuator, comprising a cylinder body and a main shaft disposed inside the cylinder body. A piston is fitted on each side of the main shaft, and the piston drives the main shaft to rotate. The actuator also includes a positioning block, a first adjusting screw, and a second adjusting screw. A hexagonal post is disposed on the main shaft, passing through and connecting to the positioning block. The main shaft drives the positioning block to rotate coaxially via the hexagonal post. The first and second adjusting screws are threaded through the side wall of the cylinder body, and each end of the first and second adjusting screws inside the cylinder body has a first limiting end and a second limiting end, respectively. The first and second limiting ends are used to limit the contact with both ends of the positioning block. This utility model, with its centrally positioned limiting structure, allows for real-time adjustment of the actuator's stroke range.

A simple roll-changing machine includes a two-station film roll transfer mechanism for horizontally transferring new and old film rolls. The front of the two-station film roll transfer mechanism is equipped with a film-joining heat-sealing device. The film-joining heat-sealing device includes a frame, with a liftable pressing mechanism at the upper front end of the frame. The rear end of the pressing mechanism is hinged to the cylinder rod of a horizontal cylinder, and the cylinder body of the horizontal cylinder is hinged to the upper rear end of the frame. Below the pressing mechanism is an operating table with horizontally arranged cutting grooves and heat-sealing grooves, arranged sequentially from front to back and left to right. An upward-facing cutter is located in the cutting groove, and the lower end of the cutter is connected to a slide of a rodless cylinder. The pressing mechanism has a heat-sealing pad corresponding to the heat-sealing groove. A liftable heat-sealing mechanism is located directly below the heat-sealing groove, and a cutter locking mechanism is located at the lower end of the cutter. This invention realizes the roll-changing and film-joining action for heavy-duty film bags, with a simple structure, small footprint, and high equipment reliability.

The utility model discloses a kind of multi-axis layered linkage blade lever for small circuit breaker, comprising: lever body, it is the special-shaped plate member of integrated molding;Main pivot hole, the lever body can rotate around the main pivot hole;First lateral transmission column, for cooperating with circuit breaker handle or superior linkage member;Second lateral transmission column, set in the middle pivot area;Third lateral transmission column;Wherein, the first lateral transmission column, the second lateral transmission column and the third lateral transmission column are layered arrangement along the lever body height direction, and form stepped overhanging structure in the lever body thickness direction, so that handle linkage member, blade driving member and spring energy storage member can be respectively located in different movement level.This multi-axis layered linkage blade lever for small circuit breaker integrates multiple components on a special-shaped plate lever body, with the characteristics of high part integration, good assembly precision and small movement interference.

The utility model discloses a switch operating accessory, including accessory casing and the gear and operating part that are set up in the intermeshing of accessory casing, gear is used for with the detachable connection of power output shaft of control device, power output shaft rotates and drives gear rotation, operating part moves under the impetus of gear to with switch device's key contact and control switch device's opening and closing, the utility model discloses the power of rotation is converted into linear motion, realizes the intelligent control to switch device, the utility model discloses still discloses a switch operating assembly and intelligent operation device.

The utility model relates to a knob assembly for cooking equipment. The utility model discloses a base (110) that drive shaft (71) passes through. The utility model has the knob main part (NB) that rotates with the above-mentioned drive shaft (71) as the center and moves linearly with the axial direction of the above-mentioned drive shaft (71). The knob main part (NB) has a locking button (140) with an operating part (143) exposed to the outside. At this time, the locking button (140) has a first position that is restricted from moving axially by the base (110) and a second position that can move axially. Therefore, the user can only press the locking button (140) first, then press the knob main part (NB) axially to make the cooking equipment work, so that the knob assembly can be prevented from being operated or malfunctioning by the locking button (140).

A rotary electronic component (80) applies a moderate elastic force to the sliding portion (50a) towards the annular electrode (32) and holds the sliding portion (50a) in place by providing a buffer member (82) between the sliding portion (50a) of the slider (50) and the rotor (40). This suppresses vibration of the sliding portion (50a) and reduces metal fatigue of the slider (50). Furthermore, by impregnating the buffer member (82) with lubricant and bringing a portion of the buffer member (82) into contact with the annular electrode (32), lubricant can be applied to the annular electrode (32). This smooths the sliding of the sliding portion (50a) and further reduces wear on the contact area. Additionally, the buffer member (82) functions by wiping the surface of the annular electrode (32), thus collecting dust and other foreign matter on the annular electrode (32) and preventing adverse effects of foreign matter on the contact area. Therefore, this rotary electronic component (80) achieves a long service life and high operational reliability.

The invention relates to the technical field of reclosing switch production equipment, in particular to a reclosing switch and automatic production equipment thereof.The reclosing switch comprises a machine tool base, a double-row synchronous conveying belt used for driving a reclosing switch body to transfer among multiple stations is arranged on the machine tool base, and multiple machining stations are arranged on the machine tool base; the machining station comprises an energy storage spring assembling station and a detection station. Through cooperation of the correcting inclined block, the first conveying belt and the second conveying belt, the posture of the energy storage spring can be automatically regulated, the orientation of a spring hanging hole is corrected, manual intervention and adjustment are not needed, and the problems that in the prior art, manual adjustment is low in efficiency and large in error are effectively solved; and meanwhile, synchronous scheduling of the energy storage spring and the reclosing switch body is realized in cooperation with the double-row synchronous conveying belt, and the procedure connection efficiency is greatly improved.

The present application relates to pole-mounted circuit breaker technical field, specifically to a kind of anti-stuck pole-mounted circuit breaker transmission execution device, including circuit control structure and transmission execution protection structure, transmission execution protection structure is fixedly installed with circuit control structure;Circuit control structure, for insulation circuit control, control insulation closing work by circuit insulation component, and circuit control structure includes insulating part, vacuum interrupter is installed on insulating part, first power connection seat is fixedly installed on vacuum interrupter, current transformer is installed on the front end of vacuum interrupter, and current transformer is communicated with circuit insulation component arrangement;Transmission execution protection structure, for circuit control.The structure is set, can prevent jamming work, realize internal continuous lubrication work, improve equipment service life.

The invention relates to the technical field of health physiotherapy equipment, and particularly discloses an oxygen multi-element medium mixing generation device, which comprises an oxygen generation module, a medium generation module, a medium mixing module and a control module electrically matched with each module, the oxygen generation module comprises an air compressor and an adsorption assembly, the adsorption assembly is filled with a molecular sieve, the air compressor is used for supplying high-pressure air to the adsorption assembly, and the adsorption assembly is used for selectively adsorbing nitrogen in the high-pressure air in a pressurized state, so that oxygen is enriched and discharged to the medium mixing module; the medium generation module is used for generating a non-oxygen medium flow and outputting the non-oxygen medium flow to the medium mixing module; the medium mixing module is used for mixing and outputting oxygen and non-oxygen medium flow to an external space; the control module is used for adjusting the oxygen production amount of the oxygen production module, the output amount of the medium generation module and the mixing proportion of oxygen and non-oxygen medium flow according to the use environment parameters or user instructions.

The invention discloses a dead-point-adjustable unmanned aerial vehicle locking and releasing mechanism which comprises an unmanned aerial vehicle hook, the unmanned aerial vehicle hook is matched with a hook seat, the hook seat is connected with a machine shell, a stop lever is hinged to the machine shell, the stop lever is hinged to a connecting rod, the connecting rod is connected with a crank, the crank is connected with the stop lever through a reset spring, and the reset spring is connected with the unmanned aerial vehicle hook. A limiting adjusting screw is arranged on the stop lever to push the connecting rod to adjust the dead point, or the stop lever is arranged to be of a telescopic structure, the dead point is adjusted by changing the length of the stop lever, or the connecting rod is arranged to be of a telescopic structure, and the dead point is adjusted by changing the length of the connecting rod. The unmanned aerial vehicle locking and releasing mechanism has the advantages that the dead point of the unmanned aerial vehicle locking and releasing mechanism can be adjusted, the phenomenon that the mechanism passes through the dead point due to machining errors or use abrasion is avoided, the use reliability of the device is improved, and unmanned aerial vehicle ejection is safer.

The utility model relates to refrigerating machine technical field discloses a kind of gas wave refrigerating machines, including shell, the bottom surface of the shell is fixedly connected with machine base, the end side of the shell is communicated with air inlet pipe, the end surface of the air inlet pipe is fixedly communicated with flange one, the end side of the flange one is fitted with flange two, and the filter assembly is installed between the flange one and flange two, the top surface of the shell is fixedly connected with motor, the output end of the motor is fixedly connected with rotating shaft, the outer ring of the rotating shaft is fixedly sleeved with runner distributor, the outer ring of the runner distributor is communicated with nozzle, the outer ring of the shell is communicated with multiple oscillation pipes, and the end of multiple oscillation pipes is respectively connected with cold air outlet pipe, and the bottom surface of the shell is communicated with hot gas outlet pipe.The utility model uses the grouping alternation mode of the number of nozzle less than the number of oscillation pipe, and the running process is smooth, airflow pulsation is small, and the overall vibration and noise of equipment are lower, and the operation reliability is stronger.

The utility model relates to one -way valve technical field especially relates to a liquid chromatograph one -way valve, solved the problem among the prior art. A liquid chromatograph one -way valve, including the tubulature, both ends of tubulature all have the threaded connection pipe of intercommunication, the inside one side of tubulature is connected with the water inlet pipe, the top elastic connection of water inlet pipe has the valve cover, the inside upper portion one side of water inlet pipe is fixedly connected with the connecting plate. The utility model makes the valve cover and the connecting plate between form by the initiative reset mechanism of extension spring drive, has improved the response speed and action reliability of valve cover closing significantly, even under the working condition that pump cavity pressure drops rapidly or exists transient negative pressure, can also ensure that the valve cover resets seal quickly, has prevented the reverse leakage of mobile phase, improved the stability of infusion flow and the repeatability of analysis data, avoided the baseline fluctuation and chromatographic peak distortion caused by backflow or bubble introduction.

This invention discloses a combined safety valve core structure with pilot function and its usage method, relating to the field of safety valve technology. The main valve core is slidably and sealed to the inner wall of the valve body, while a secondary valve core is slidably and sealed to the central through-hole. A lower spring is sleeved around the secondary valve core. A main valve core seat is located at the bottom of the valve body. A pressure chamber is formed between the upper end face of the main valve core and the top of the inner wall of the valve body. The bottom medium inlet of the valve body is connected to the pressure chamber via a branch pipe. An upper spring is located within the pressure chamber, and a secondary valve core seat is located at the connection between the branch pipe and the top of the valve body. This invention achieves a synergistic effect of "secondary valve core pilot triggering and main valve core rapid response" through the coaxial nesting design of the main and secondary valve cores, combined with a dynamic balance mechanism between the upper and lower spring forces and the medium pressure. This invention possesses the rapid response characteristics of a direct-start safety valve, while also having the advantages of a pilot-operated safety valve, such as good sealing performance, pilot characteristics, and minimal impact from back pressure.

The application discloses a new energy box-type substation self-adaptive over-current protection setting method, and relates to the technical field of relay protection of power systems, and the method comprises the steps of establishing a multi-channel communication link with each new energy converter; collecting the running state and real-time apparent power through each communication interface polling; summarizing the total real-time apparent power and correcting the line loss; and generating the over-current protection setting value according to the corrected total real-time apparent power and the measured apparent power on the low-voltage side. The technical scheme of the application combines multi-channel collection, power summarization and correction, and self-adaptive setting, so that the protection threshold dynamically matches the actual output, the fault protection sensitivity under the low-output working condition is significantly improved, the over-current protection response capability and action reliability are improved, and the safe and stable operation of the transformer is ensured.

The utility model discloses a circuit breaker pressure spring pin pressing and riveting tool, and belongs to the technical field of electrical equipment manufacturing, the circuit breaker pressure spring pin pressing and riveting tool comprises a rack, a positioning assembly, a limiting assembly and a pressing and riveting assembly, the positioning assembly is installed on one side of the rack, and a positioning groove is formed in the positioning assembly; the limiting assembly is arranged opposite to the positioning assembly and used for clamping and driving the insulation pull rod to move in the direction close to or away from the rivet pressing assembly, and the rivet pressing assembly is used for riveting the edge of the pressure spring pin. The positioning assembly, the limiting assembly and the press riveting assembly are used in cooperation, automatic and accurate riveting of the pressure spring pin can be achieved, the riveting efficiency of the pressure spring pin is improved, the consistency of the knocking angle and position of the pressure spring pin is guaranteed, the situation that the center of the pressure spring pin is expanded due to stress, and use is affected is effectively avoided, and the production efficiency is improved. The action reliability and the operation stability of opening and closing of the circuit breaker are improved; according to the utility model, the qualified rate of opening and closing parameters of the circuit breaker can be effectively improved, batch reworking is reduced, and the production efficiency is improved.

The invention belongs to the field of silicon powder filling in crucibles, and discloses an automatic system for filling silicon powder in crucibles, which is characterized in that a clamping piece is arranged to grab a single corner part of a silicon powder bag, so that the bag body can be automatically adjusted to a stable hanging posture under the action of gravity after being lifted, and the connecting line of the clamped corner and the opposite corner tends to be vertical; the opposite angle becomes the lowest point of the bag body; the telescopic part is arranged in the mode that when the telescopic part stretches out, the scraper part can be driven to move to the side lower portion of the opposite angle of the clamped corner. When the bag body retracts, the scraper part can be driven to move in the direction close to the bag body and pierce the bag body located at the lowest point, and the clamping piece carries out the clamping action of a single corner part, so that the bag body is grabbed and fixed, and the other parts of the bag body are guided by gravity to be automatically adjusted to a stable hanging posture. According to the design, the two functions of grabbing and posture self-correction are completed at the same time through a simple clamping action, so that the design of the clamping jaw is simplified, the control complexity is reduced, and the clamping jaw is suitable for various incoming material states.

The invention belongs to the technical field of electromagnetic control, and provides an electro permanent magnet controller which comprises a main control unit, a programmable magnetizing and demagnetizing drive circuit, a multi-channel state detection circuit and a cluster control interface. The cluster control interface receives a magnetizing instruction, a demagnetizing instruction, an unlocking signal and control information containing target magnetic force parameters, and outputs a magnetizing completion signal, a demagnetizing completion signal and an alarm signal; the main control unit allows magnetization and demagnetization after receiving the unlocking signal, and generates a driving control signal according to the target magnetic force parameter; the programmable magnetizing and demagnetizing driving circuit outputs a pulse current waveform determined by a pre-stored magnetizing step sequence program or a demagnetizing step sequence program so as to adjust the magnetic force; the multi-channel state detection circuit samples loop current, terminal voltage of the electro-permanent magnet and on-off characteristics and feeds back the loop current, the terminal voltage and the on-off characteristics to the main control unit, and the main control unit judges whether preset completion conditions are met or not, stops output and gives an alarm when not met or abnormal. The problems that in the prior art, magnetic force cannot be adjusted or the adjusting capacity is insufficient, state feedback in the magnetizing and demagnetizing process is lacked, a fault protection mechanism is imperfect, and integration and extension with an automatic system are difficult are solved.