25results about How to "No impact" patented technology

The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.

The application discloses a semiconductor flat-plate warehouse inserting and taking structure, which comprises an inserting and taking connecting frame, an inserting and taking arm and a self-adapting locking mechanism arranged on the inserting and taking arm. The self-adapting locking mechanism mainly comprises a straight-line transmission rod, a scissor type lifting amplification mechanism, a limiting pressing plate and a guiding reset unit. The core of the application is that the self-weight load generated during the inserting and taking of the flat-plate warehouse is used as a driving force. When the inserting and taking arm supports the flat-plate warehouse, the weight presses the straight-line transmission rod, forces the scissor type lifting mechanism to expand and drives the limiting pressing plate to stably move downwards, so that the positioning pin on the limiting pressing plate is inserted into the pin hole of the flat-plate warehouse, automatic locking and positioning are realized. After unloading, the mechanism is automatically reset under the action of the reset spring. The application does not need external power, realizes "inserting and taking to locking", can effectively inhibit the inertial swing and vibration during the carrying process, prevents the wafers in the warehouse from being damaged due to knocking and has the advantages of simple structure, reliability, safety and high positioning precision.

The utility model relates to the technical field of insulation board processing, especially to a high -strength insulation board anti -bending performance detection device, including frame, be provided with processing mechanism on the frame and be used for insulation board processing, processing mechanism includes: take and put subassembly, set up on the frame and be used for insulation board taking and placing, feed assembly, including the right table board of fixed right end on the top of frame, the right end inside the frame is equipped with first hydraulic cylinder, and the output of first hydraulic cylinder is fixed with base plate, and the top of four corners of base plate is all fixed with guide rod, and guide rod and right table board penetrate through sliding installation, and the top between four corners's guide rod is fixed with the supporting plate, detection component sets up on the frame and is used for insulation board bending degree detection, through the hydraulic drive four -corner guide rod realizes the steady feed of insulation board, and the cylinder controls detection component intelligent avoidance, and hydraulic loading cooperates sensor accurate measurement anti -bending performance, realizes the full -process automation from feed, taking and placing to detection, ensures the test accuracy and operation efficiency.

This application provides a hybrid magnetic circuit and intelligent flux distribution current transformer energy harvesting device and method to solve the problems of low sensitivity for small current energy harvesting and weak resistance to large current saturation in current transformer energy harvesting devices. The device includes a hybrid magnetic circuit unit, a magnetic state detection unit, and an intelligent flux distribution unit. The hybrid magnetic circuit unit includes a first magnetic circuit and a second magnetic circuit connected in parallel and magnetically coupled. An energy harvesting winding and an auxiliary control winding are wound on the first and second magnetic circuits, respectively. The magnetic state detection unit monitors the magnetization state of the first magnetic circuit, and the intelligent flux distribution unit injects controllable current into the auxiliary control winding to adjust the flux ratio flowing through the first and second magnetic circuits. By constructing a parallel hybrid magnetic circuit and implementing active flux distribution, this application ensures that the first magnetic circuit operates in the ideal linear region under any transmission conductor current, thereby simultaneously achieving ultra-high sensitivity for small current energy harvesting and extremely strong resistance to large current saturation.

The invention discloses a segmented series spring shock absorber and machining equipment, and belongs to the technical field of vehicle shock absorption. The shock absorber comprises a gas spring, a heavy-load spring, a light-load spring and a retainer, wherein the retainer is arranged between the light-load spring and the heavy-load spring; a load energy release device and a temperature adaptation assembly are further arranged on the retainer, and the load energy release device comprises a bearing disc, an annular storage cavity and an energy release pad and is used for absorbing beat vibration energy; the temperature adaptation assembly comprises a ventilation hole and a friction pad, heat generated by the friction pad can be transmitted to the energy release pad, and low-temperature compensation and high-temperature heat dissipation are achieved. The invention further provides milling equipment for machining the clamping-in groove and the wedge-shaped groove, precise machining of the wedge-shaped groove is achieved through the eccentric milling principle, and the pressure relieving assembly ensures that a cutter stably stretches out through buffering of non-Newtonian fluid. The problems of response accuracy, retainer stability, beating vibration durability and temperature adaptability of the shock absorber under different load working conditions are effectively solved.

This invention provides a transport bracket for spent fuel transport containers, comprising: a bottom frame for fixing to a transport vehicle and supporting the overall structure of the transport bracket; at least two tilting axial supports disposed at one end of the bottom frame; at least two uprights disposed at the other end of the bottom frame; an arc-shaped support plate disposed at the other end of the bottom frame, located between the two uprights; lifting lugs connected to the tilting axial supports and the upper part of the uprights, used in conjunction with a horizontal lifting device for horizontal lifting of the transport bracket together with the spent fuel transport container; and a protective cover for protecting the outer surface of the spent fuel transport container. This invention features a compact structure and small size, meeting the requirements of various types of transportation, possessing strong load-bearing capacity, and capable of withstanding any acceleration of the container cargo under rail, road, and water transport conditions.

The invention discloses an all-attitude five-axis turning and milling combined machine tool matched with a non-orthogonal main shaft, and belongs to the technical field of high-end numerical control machine tools. According to the technical scheme, the turning and milling machine comprises a machine body and a turning and milling workbench arranged on the machine body, and a sliding seat is movably arranged on the machine body; the X-axis transmission system is arranged on the lathe bed, is in driving connection with the sliding seat and is used for driving the sliding seat to move in the X-axis direction; the Z-axis transmission system is arranged on the sliding seat; the spindle box is in driving connection with the Z-axis transmission system and used for moving in the Z-axis direction. And the turning and milling main shaft is rotatably connected to the main shaft box. The invention has the following beneficial effects: through the combined design of a series of technical characteristics of the 45-degree non-orthogonal main shaft and the-30-180-degree all-attitude adjusting structure thereof, the long-standing technical problems of limited machining range, insufficient angle adjusting precision, low multi-process circulation efficiency and the like of the traditional orthogonal main shaft machine tool are solved; and the machining flexibility, the positioning precision, the whole machine rigidity and the process adaptability are all substantially improved.

The utility model relates to mobile phone middle frame production technical field, concretely relates to a kind of steel sheet positioning feeding device, including base, positioning connecting mechanism being set on base, positioning mechanism being set on positioning connecting mechanism, lifting mechanism being set on base, material taking mechanism being set on lifting mechanism;Material taking mechanism includes support, pivot connected with support, material taking frame connected with pivot, a plurality of material taking assemblies are set on material taking frame, and motor;Material taking assembly includes first material taking seat, second material taking seat of movement connection in the side of first material taking seat, material taking piece is set on second material taking seat, and there is a elastic member between first material taking seat and second material taking seat.The utility model can be positioned to steel sheet and sent to mobile phone middle frame predetermined position and steel sheet is pressed tightly, ensure that steel sheet does not appear deviation, the elastic member of material taking assembly makes steel sheet keep stable from picking to adhere to the process of mobile phone middle frame, without impact, avoid the damage of steel sheet and mobile phone middle frame.

The utility model discloses a speed simulation device for calibration of a speed test module, and relates to the technical field of photoelectric measurement. The rotary driving part is assembled at the top end of the mounting bracket; the rotation simulation part is assembled on an output shaft of the rotation driving part, the rotation driving part drives the rotation simulation part to rotate, and the instantaneous speed of train equipment monitored by pantograph dynamic monitoring equipment when the train equipment passes is simulated; the adjusting guide rail is assembled on the mounting bracket; and the measuring piece is assembled on the adjusting guide rail in a sliding manner and is used for measuring the number of times and interval time when the rotating simulation piece passes through in a rotating manner with different distance measuring radiuses. The rotation driving part drives the rotation simulation part to rotate, the instantaneous speed monitored by the pantograph dynamic monitoring equipment when train equipment passes is simulated, and compared with the speed change simulated by a horizontal movement mechanism, the motion range of the device is not limited, large impact cannot be generated, the target operation speed is constant, and the simulation calculation speed is more accurate.

The invention discloses an electric vehicle driving assembly integrated with a ball screw wet brake. The device mainly comprises a driving motor, a speed reducer, a differential mechanism, a left half shaft, a right half shaft, a wet brake friction pair, a ball screw brake actuating mechanism and the like. Power output by the driving motor is transmitted to the differential mechanism for distribution after being decelerated and increased in torque through the speed reducer, and is output to wheel ends through the left and right half shafts. The wet-type brake friction pair is located in the half shaft shell, the wet-type brake disc is connected with the half shaft through a sliding spline, the wet-type brake pressing piece and the steel sheet are connected with the half shaft shell through the sliding spline, and the brake disc is arranged between the pressing piece and the steel sheet. The wet-type braking friction pair is pressed through the acting force between the ball screw braking actuating mechanism arranged in the half shaft shell and the half shaft shell, and then the electronic mechanical braking torque is generated. The electric vehicle driving system can realize six working modes of driving, motor regenerative braking, electromechanical friction braking, electromechanical composite braking, reversing, parking braking and the like.

This invention discloses a creep-resistant hot-blade fusion-type unlocking device, comprising: a heating rod assembly, an unlocking sleeve assembly, a hook assembly, and a rope knot collar; wherein, the upper end of the unlocking sleeve assembly is mounted on the hook assembly, and the lower end is connected to the heating rod assembly via the rope knot collar. This invention aims to solve the problem of existing hot-blade unlocking devices having poor adaptability to the creep properties of the fusion-type rope.

The application relates to the technical field of power distribution equipment, and discloses a high-energy-efficiency intelligent hybrid type terminal voltage management device for distribution areas, which comprises a current and voltage sampling module, an intelligent voltage regulating controller module, a voltage regulating transformer module and an intelligent capacitor bank connected to a terminal line of a distribution area; further comprises an environment regulation unit, a safety protection unit, a seamless bypass unit and an Internet of Things remote control device; the current and voltage sampling module is used for collecting electrical parameters of the distribution line, and the intelligent voltage regulating controller module is used for overall planning and control of the voltage regulating transformer module and the intelligent capacitor; the terminal voltage regulation and dynamic reactive power compensation are realized; the device is combined with hierarchical temperature control, low-temperature anti-freezing, multi-stage safety protection and Internet of Things remote control; the device has local man-machine interaction and fault bypass switching functions, is reliable in operation, high in integration, strong in intelligence and wide in adaptability, and is suitable for terminal voltage management and power quality optimization of various urban and rural low-voltage distribution areas.

The application discloses a gear NVH anchor point calibration and duty cycle switching cooperative optimization system and method, comprising: under selected torque, parameter value exhaustive combination is carried out on selected micro parameters of a gear transmission system, a plurality of micro parameter groups composed of micro parameters with different values are obtained, and a corresponding full-condition weighted peak-to-peak transmission error comprehensive evaluation value is obtained according to a peak-to-peak transmission error simulation curve and a peak-to-peak transmission error reference curve of the gear transmission system under each micro parameter combination, and the micro parameter group with the minimum full-condition weighted peak-to-peak transmission error comprehensive evaluation value is selected as the optimal anchor point reference parameter group for the gear transmission system to run; when the demand torque of the gear transmission system is in a preset optimization torque interval when the gear transmission system runs with the optimal anchor point reference parameter group, a two-point high-frequency duty cycle switching mode is executed.

The utility model relates to the technical field of feed blanking devices, and discloses a feed blanking device for pig raising feeding, which comprises a feed storage tank and a lower trough, the feed storage tank is communicated with a discharge pipe through a conical barrel, the lower part of the discharge pipe is coaxially connected with a thick barrel, and a ball float valve is arranged in the thick barrel as a valve to control feed circulation; the inner diameter of the thick cylinder and the outer diameter of the floating ball valve are both larger than that of the discharging pipe, the outer diameter of the floating ball valve is smaller than that of the thick cylinder, a feed passing gap is reserved between the lower bottom face of the thick cylinder and the inner bottom face of the trough, and automatic opening and closing are achieved through buoyancy of the floating ball valve. The floating ball valve is of a composite structure of an inner supporting hollow ball and a peripheral rubber ball, and a hollow interlayer is formed between the two. Feed is guided to flow smoothly through the conical barrel, the flow speed is reduced through the flaring structure of the thick barrel, a moving space is provided for the floating ball, sensitivity and sealing performance are improved through the double-material design of the floating ball valve, discharging can be automatically adjusted according to the liquid level of the trough, and manual intervention is reduced.

This invention relates to the field of commercial vehicle steering column technology, specifically disclosing an adjustment structure for a commercial vehicle steering column. The structure utilizes an angle adjustment component to drive the steering column body to rotate, and a sliding fit structure between a sliding seat and a sliding groove allows the steering column body to achieve a large rotational stroke under the drive of the angle adjustment component. Specifically, the angle adjustment component employs a lead screw drive structure. A first driving member drives a first lead screw to extend and retract, thereby pushing the steering column body to rotate around its hinge point. Because the first lead screw has a long extension and retraction stroke, and the lever arm between the hinge point of the steering column body and the connection point of the angle adjustment component can be optimized to a shorter distance, a small extension and retraction of the lead screw can be converted into a large angle change. Simultaneously, the longer first lead screw stroke further amplifies the angle adjustment range to adapt to different driving needs and driver maneuverability.

The utility model discloses a transmission mechanism of a three-position switch, which comprises an assembling plate, a flywheel transmission assembly arranged in the middle of the lower end of the assembling plate, a limiting plate fixedly arranged in the middle of the assembling plate and matched with the flywheel transmission assembly to operate, and a first crank arm driving assembly arranged on one side of the upper end of the assembling plate and linked through the flywheel transmission assembly, the second crank arm driving assembly is mounted on the other side of the upper end of the assembling plate and is linked through a flywheel transmission assembly; the first limiting assembly is mounted on the assembling plate and is matched with the first crank arm driving assembly to operate; the second limiting assembly is mounted on the assembling plate and is matched with the second crank arm driving assembly to operate; one end of the spring piece is movably mounted with the first crank arm driving assembly, and the other end of the spring piece is movably mounted with the second crank arm driving assembly; the mechanism can improve the operation precision of equipment, prolong the service life, improve the reliability and enhance the operation safety, and is suitable for application scenes needing precision control and high stability.

The application discloses a GIS mixed gas supplementing self-adaptive control method, system, equipment and medium, relates to the GIS supplementing control technical field, and realizes the deep perception and early warning of the gas state through the multi-source data fusion trend prediction, and changes the passive supplementing to the active prevention. The self-adaptive control method adopts the fuzzy PID control algorithm, finely adjusts the controller parameters according to the deviation, the deviation change rate and the equipment load current, utilizes the predicted gas leakage rate as a feedforward signal to compensate the leakage amount, finally makes the pressure stable at the dynamic pressure set point, and the gas proportion is always kept constant. The whole process is smooth and impact-free, can adapt to different leakage rates, environmental conditions and equipment load changes, and has high robustness. In addition, the self-adaptive control method also adopts the matching strategy based on the mass flow control, ensures that the pressure and proportion of the supplemented gas reach the optimal set values.

The invention relates to the technical field of automobiles, discloses a projection curtain track mechanism used for an automobile partition and capable of being telescopically stored, and solves the problem that an existing fixed track occupies the space of the front row. The mechanism comprises a partition body (1), a projection curtain (45), a curtain driving motor, a left track mechanism (21), a right track mechanism (22), a left rotation driving motor (41) and a right rotation driving motor (42). The track mechanism comprises a rotating arm (412), a curtain track (43), a first-stage decoration plate (413) and a second-stage decoration plate (414), and the rotating driving motor can drive the track to be switched between the working position and the storage position. During storage, the track is attached to the partition to release the front-row space; and the curtain can be stably lifted during working. The mechanism improves the flexibility of the space in the car, runs stably, is convenient to operate, and is suitable for high-end car types such as luxury cars and MPVs.

This invention discloses a Magic Keyboard hinge structure and its control method, including a base plate, a rotating plate, and a hinge assembly. The base plate is fixed to the keyboard base, and the rotating plate is fixed to the display screen body. The hinge assembly includes a rotating shaft and a ball bearing concave cam rotating assembly, a first tension adjustment assembly, a cam rotating assembly, a second tension adjustment assembly, and a torsion spring, all of which are connected to it in a transmission manner. The ball bearing concave cam rotating assembly engages with the ball bearing through a circular pit at the end of the slide rail concave wheel, forming a mechanical angle self-locking at the maximum opening angle. The cam rotating assembly and the torsion spring work together to provide opening assistance and closing buffer. The second tension adjustment assembly adjusts the axial preload through a nut to adapt to different screen weights. The base plate and the rotating plate are positioned by a protrusion on the bushing engaging with a slot. The shaft end is provided with a cover to prevent dust and detachment. This invention achieves mechanical self-locking, adjustable damping, smooth opening and closing, and high reliability, improving the user experience.

The utility model provides an oil cylinder control system of a forging press, which comprises a plurality of proportional direction valves, proportional pilot valves, pressure reducing valves and throttle valves, the quantity of the proportional direction valves, the quantity of the proportional pilot valves, the quantity of the pressure reducing valves and the quantity of the throttle valves are the same, the second end of each proportional direction valve is used for being connected with an action oil cylinder of the forging press, the third end of each proportional direction valve is connected with the first end of the corresponding proportional pilot valve, and the second end of each proportional pilot valve is connected with the corresponding pressure reducing valve and the corresponding throttling valve in series and then connected into the pilot oil way. Precise adjustment of pilot pressure and flow is achieved, and the problem of clamping stagnation of a small-drift-diameter proportional direction valve is solved while the large-flow action requirement is met.

The invention discloses a packaging bag stacking robot and a stacking method, and relates to the technical field of carrying equipment. The robot comprises a mechanical arm, a rotating motor and a gripper component. The gripper component is provided with a stacking base plate, a lifting mechanism capable of being adjusted at equal intervals, a pushing mechanism capable of horizontally pushing, a negative pressure dust suction mechanism and a linkage cleaning mechanism. A polished surface is arranged on the surface of the lifting rod, and self-adaptive distance adjustment is achieved through the lifting push rod and the inclined groove frame to adapt to packaging bags of different sizes; a horizontal transverse pushing mode is adopted for discharging, and packaging bags are prevented from falling and being damaged; the dust suction mechanism adsorbs dust in real time and filters and discharges the dust, and the cleaning ring and the staggered scraping strip synchronously remove dust and prevent blockage. Stable and impact-free discharging is achieved, packaging bags are effectively protected, dust pollution is reduced, the equipment universality is high, the structure is reasonable, operation is stable, and the packaging bag stacking operation quality and the environment friendliness can be remarkably improved.

This invention discloses an adaptive intermittent power supply external device and control method for electric vehicles, belonging to the field of electric vehicle energy-saving control technology. Addressing the problems of high energy consumption during continuous power supply, strong jerking sensation with traditional pulse power supply, and poor adaptability for retrofitting in existing electric vehicles, this invention connects the device in series between the original vehicle's throttle and the motor controller via a universal throttle interface. The signal acquisition module analyzes the user-inputted target speed, and the control module dynamically matches the power supply pulse interval and current amplitude using an adaptive algorithm. The signal is then smoothed by the drive output module before being output to the controller, driving the motor to operate smoothly. This invention requires no modification to the original vehicle structure, is compatible with various types of throttle-controlled electric vehicles, can increase range by 10%-20%, while ensuring smooth driving, and is low-cost, making it suitable for mass production and promotion.

The utility model relates to the field of tobacco curing barns, and discloses an electromagnetic induction heating integrated temperature-adjustable large-air-volume hot air circulation tobacco bulk curing barn which comprises a tobacco curing barn body, a moisture removal window and an observation window, one side of the tobacco curing barn body is fixedly connected to the observation window, one side of the tobacco curing barn body is fixedly connected to the moisture removal window, and the other side of the tobacco curing barn body is fixedly connected to the moisture removal window. One side of the tobacco curing barn main body is fixedly connected to the electromagnetic induction heating medium-temperature hot air device, and when the device is used, the electromagnetic induction heating medium-temperature hot air device is arranged; powerful guarantee is conveniently provided for improving the tobacco leaf curing quality through the aspects of the electromagnetic induction heating technology, the integrated temperature adjustable design and the large-air-volume hot air circulation technology, the electromagnetic induction heating technology further has the advantages of being efficient, environmentally friendly and the like, and energy consumption and carbon emission of the curing barn can be remarkably reduced; it is ensured that the tobacco leaves are dried at the optimal baking temperature of clean hot air drying, the tobacco yield and quality of the tobacco leaves are improved, and tobacco leaf losses caused by uneven temperature are reduced.

The invention relates to the field of geotechnical engineering, and discloses a geotechnical centrifuge base and a connecting structure of the geotechnical centrifuge base and a civil foundation, the geotechnical centrifuge base comprises at least one combined base, and the combined base is composed of a plurality of detachably connected parts and is used for installing a bearing and supporting a main shaft; an axial anchoring assembly connected with a civil engineering foundation is arranged at the bottom of the combined type machine base, and a radial restraining assembly connected with the civil engineering foundation is arranged on the side portion of the combined type machine base. The radial constraint assembly has the beneficial effects that the radial constraint assembly changes the shearing and bending combined load which is originally and completely borne by the foundation bolt into the mode that the shearing and bending combined load is directly transmitted to the foundation embedded plate in the civil foundation through the radial connecting piece, the foundation bolt only bears the axial load, and through detachable connection, oriented optimization of the rigidity of the machine base is achieved; and the unbalanced force resistance of the whole machine in the limited space height is improved.