68results about How to "Synchronous" patented technology

The invention discloses a portable train vibration tester. The portable train vibration tester is used for measuring the vibration of a train body and under-train key equipment of the train, calculating the stability and comfort level indexes on line, displaying, storing, and wirelessly transmitting the data. The portable train vibration tester is composed of a field programmable gate array (FPGA), an acceleration module, a frequency module, a global positioning system (GPS) module, a display module, a keyboard module, a clock module, a random-access memory (RAM) module, a data storage module, a wireless network module, a program storage module, and the like. By structuring an independent floating point calculating unit (FPU) in the FPGA, the instantaneity of calculating the stability and comfort level indexes is guaranteed. As the calculating and controlling center of the tester, the FPGA can confirm the vibration degree, the position and speed of the train when the vibration happens at the present time by synchronizing the acceleration module, the GPS module, the frequency module and the clock module; by using the display module, the data storing module and the wireless network module, the tested data and the calculated result can be displayed, stored and wirelessly transmitted in real time.

The invention provides an online SPC (Statistical Process Control) analysis system for metering process capability of gravimetric filling equipment. The system comprises a data acquisition card for real-time online acquisition of data, including the tare weight of products and the net weight of the products, of the gravimetric filling equipment, a database for storing the data, and a data analysis unit for reading the data to be analyzed from the database and analyzing the tare weight of products, the net weight of the products, the average tare weight of the products, the average net weight of the products or the capability index of a metering system. The online SPC analysis system for the metering process capability of the gravimetric filling equipment is capable of outputting the results of analysis in real time so that the operating personnel can take intervention measures according to the results, and therefore, stable control of the production process and reduction of risks in the metering process are realized. The invention also provides an online SPC (Statistical Process Control) analysis method for the metering process capability of the gravimetric filling equipment.

The invention discloses a transient X-ray diffraction experiment method, comprising a vacuum target chamber (4) with a laser inlet (3), and a laser device (1) which is arranged outside the vacuum target chamber (4), wherein a focusing lens (5), a backlight target positioning point (7-1), a static diffraction target positioning point (7-2), a dynamic diffraction target positioning point (7-3) and receivers (9-1 and 9-2) are arranged in the vacuum target chamber (4). A special positioning bracket for the method is as follows: a T-shaped bracket (7) formed by a cross bar and a vertical bar is fixed in the vacuum target chamber (4); one end of the vertical bar is vertically fixed at the center of the cross bar; the backlight target positioning point (7-1) is fixed at the other end of the vertical bar; the vertical bar is coaxial with a normal line (10) of a backlight target surface passing through the target center; the static diffraction target positioning point (7-2) and the dynamic diffraction target positioning point (7-3) are respectively fixed at two ends of the cross bar and equal in distances to the center of the cross bar. By adopting the transient X-ray diffraction experiment method, a static experiment and a dynamic experiment can be simultaneously carried out in an experiment; static and dynamic experiment diffraction images are obtained, so that the transient X-ray diffraction experiment method has synchronism and high contrast.

The embodiment of the invention discloses a wind turbine generator load regulation effect coefficient testing method and device. The method comprises the steps that an active power value and a frequency value of a wind turbine generator are obtained in real time; whether a variable quantity absolute value of the frequency value is larger than a preset threshold value or not within a certain period of time is judged; if yes, the wind turbine generator is started to regulate the frequency of a power grid, a terminal time point of the certain period of time is adopted as a primary frequency modulation initial time point of the wind turbine generator, and an initial power value and an initial frequency value of the primary frequency modulation initial time point are obtained; if not, the terminal time point of the certain period of time is adopted as a primary frequency modulation end time point of the wind turbine generator, and an end active power value and an end frequency value of the primary frequency modulation end time point are obtained; finally, a load regulation effect coefficient of the wind turbine generator is calculated. The wind turbine generator load regulation effect coefficient can be measured in an online mode, it can be ensured that the measuring result has the real-time performance, and the primary frequency modulation action process of the wind turbine generator is analyzed.

The invention discloses a clutch device for an electronic lock. The clutch device comprises a lever handle, a lever handle panel, an upper clutch, a lower clutch, an electromagnet, a clutch pin and a clutch pin offsetting spring; the lever handle comprises a lever handle shank and a lever handle rotating column; the lower clutch is sleeved on the lever handle rotating column; the upper clutch is attached to the lower clutch; a square slot linked with a lock body is formed on the upper clutch; a lug is arranged on the end face, which is attached to the upper clutch, of the lower clutch; an extension block pressed against the lug is arranged at the position, which corresponds to the lug on the lower clutch, of the upper clutch; the clutch pin is inserted into the upper clutch, and a through hole through which the clutch pin passes is formed at the corresponding position of the lower clutch; the clutch pin offsetting spring is arranged between the upper clutch and the lower clutch; and one end of the clutch pin is arranged in the through hole of the lower clutch correspondingly, and the other end of the clutch pin is matched with the electromagnet in a pressing manner. The whole clutch device has a simple structure; the number of required accessories is small; and the clutch device is convenient to install and maintain.

The invention discloses an aerated concrete building block cutting line. The aerated concrete building block cutting line comprises a worktable, sliding rails, a bearing vehicle, supporting rods and cutting steel wires. The supporting rods are fixed to the worktable, and the cutting steel wires are mounted on the supporting rods. The aerated concrete building block cutting line further comprises aclearing mechanism. The clearing mechanism comprises a sliding block and a cleaning plate. A groove is formed in the worktable. The sliding rails are fixed to the side walls of the groove, side plates fixed to the side walls of the groove are arranged on the sliding rails, and the bearing vehicle and the sliding block are both slidably connected between the sliding rails and the side plates. A connecting rod is fixed between the sliding block and the bearing vehicle. The cleaning plate is fixedly connected with the sliding block, and the edge of the cleaning plate makes contact with the bottom face and the side walls of the groove. The groove communicates with a flushing water pipe. According to the aerated concrete building block cutting line, the problem that corner waste generated after cutting needs to be manually collected is solved.

The invention relates to a distributed tiled display picture synchronization method, which comprises the following steps: an encoder encodes an xth frame of original signal into n parts according to the number of decoders, n is the same as the number of the decoders, and n is greater than 1; the encoder sequentially sends data to the decoders, wherein the data comprises one encoding part and an original signal frame number x; each decoder decodes and temporarily stores the respective received data, and replies to the encoder that the xth frame of original signal is received according to the original signal frame number x in the received data; after receiving the message that one decoder replies to receive the xth frame of original signal, the encoder continues to wait for replies of otherdecoders, and counts the received replies; when the statistical result reaches n, the encoder broadcasts a display signal to each decoder; and each decoder starts to output the respective decoded content to a respective corresponding screen after receiving the broadcasted display signal. According to the invention, the problem of synchronization of distributed spliced display pictures in the priorart can be effectively solved.

The utility model relates to a spatially expandable annular tensegrity integral antenna mechanism, which relates to an antenna mechanism. The invention solves the problems that a large number of mechanical connections are required in the process of unfolding and retracting the existing deployable loop antenna, resulting in large overall mass and low deployment reliability. The main-end firmware is fixedly connected to one end of the main-end connecting pipe through pins, and the other end of the main-end connecting pipe is fixedly connected to one end of the carbon fiber pipe. Two openings are processed on the side wall of the main-end connecting pipe along its length direction, each There is a locking leaf spring corresponding to each strip-shaped opening. The driving spring is located in the carbon fiber tube. The middle part of the guide slider is processed with an annular groove along its circumference. When the antenna mechanism is unfolded, the lower part of the locking leaf spring is clamped on the guide slider. At the annular groove of the block, the lower end of the guide slider is connected with the slider screw, the guide slider is located at the upper end of the driving spring, the auxiliary end firmware is fixed on the other end of the carbon fiber tube through the auxiliary end connector, and the tension of the overall rod The number is an even number. The invention is used in the field of wireless communication.

The invention provides a forced isotropic turbulence experimental apparatus, which relates to a turbulence experimental apparatus and solves the problem that the existing experimental apparatus has a complex experimental system, is inconvenient for measurement and cannot be used in liquid experiments. A motor of the forced isotropic turbulence experimental apparatus is arranged at the bottom end of a chassis; a first pulley is arranged on a first support plate; a second pulley is arranged on a third support plate; the first pulley is connected with the second pulley through a synchronous belt; a first eccentric cam is eccentrically arranged on a first transmission shaft in a penetrating way; one end of a first connecting rod is connected with a first grid, and the other end of the first connecting rod passes through a water box to be rotationally connected with the first eccentric cam; a second eccentric cam is eccentrically arranged on a second transmission shaft in a penetrating way; and one end of a second connecting rod is connected with a second grid, and the other end of the second connecting rod passes through the water box to be rotationally connected with the second eccentric cam. The forced isotropic turbulence experimental apparatus is suitable for being used in a forced isotropic turbulence experiment.

The invention discloses an asphalt pavement hot in-place recycling anti-rut agent spreader which comprises a spreading hopper. The spreading hopper is strip-shaped; the bottom of the spreading hopper is provided with a strip discharge port; a spreading shaft is arranged at the discharge port; a rotor sleeve is assembled on the spreading shaft; a plurality of spreading grooves which are arranged in parallel to the axis direction are uniformly distributed on the face of the rotor sleeve or are uniformly distributed on the face of the rotor sleeve in a staggered manner; the diameter of the rotor sleeve is adaptive to the width of the discharge port; a friction wheel and chain wheel transmission mechanism is used as a driving mechanism for the spreading shaft. According to the invention, a spreading shaft, rotor sleeve and spreading groove structural manner is adopted; a friction tire rubs against the ground to obtain a driving force so as to drive the spreading shaft to rotate; an anti-rut agent is spread by a plurality of spreading grooves; the anti-rut agent is spread uniformly; moreover, the asphalt pavement hot in-place recycling anti-rut agent spreader has a simple structure, a power device does not need to be mounted, the asphalt pavement hot in-place recycling anti-rut agent spreader is energy-saving and environmental-friendly and the working efficiency is improved.

The invention discloses an agricultural product processing drying device and method. A drying box is included, a driving motor is fixedly mounted on one side of the middle of the drying box, a linkage shaft is fixedly connected to the output end of the driving motor, and a rotary drum is fixedly connected to the side, penetrating through the inner wall of the drying box, of one end of the linkage shaft. A heater is fixedly installed on the other side of the upper surface of the drying box, a feeding mechanism is arranged on one side of the outer wall of the rotary drum, a linkage rod is arranged in the rotary drum, a shoveling plate is fixedly connected to one side of the middle of the linkage rod, an adjusting mechanism is fixedly installed on one side of the inner wall of the drying box, and a discharging mechanism is arranged on one side of the inner wall of the rotary drum. The agricultural product processing drying device and method have the beneficial effects that by means of the design of the shoveling plate, the shoveling plate synchronously rotates along with the rotary drum so that agricultural products can be shoveled to the high position, the agricultural products cannot be stacked together, the drying speed of the agricultural products in the rotary drum can be increased, and the phenomenon that external agricultural products are excessively heated and crack is avoided.

The invention relates to an oxygen-making air conditioner-combined motor which comprises an air exhaust branch pipe, a fuel feeding pipe and a combustion chamber with a mixing chamber, wherein, the combustion chamber is connected with an oxygen pipe provided by an oxygen making machine; an oxygen-nitrogen separation and condensation tower of the oxygen making machine is provided with a cool air feeding pipe with a cool air intake plate and the cool air feeding pipe is connected with a cold trapping machine and also connected with a car air-conditioning device by a cool air switch; the air exhaust branch pipe is provided with a hot air feeding pipe with a hot air intake plate and the hot air feeding pipe is connected with a heat trapping machine and also connected with the car air-conditioning device by a hot air switch; each discharging pipe of the cold trapping machine and the heat trapping machine is communicated with a car air exhaust system. The oxygen making air conditioner-combined motor of the invention has the advantages that the fuel can be fully combusted; cool air emitted in the process of oxygen making is served for the cooling of an air conditioner while the high-temperature energy generated by the air exhaust branch pipe of the motor is served as the heat source of the air conditioner so as to replace the existing traditional car air conditioner or a turbo booster pump, thus achieving the aim of comprehensive utilization of energy by saving the fuel, significantly reducing the pollution emission after the combustion and promoting the environmental protection.

A high-rigidity synchronously unfolding and folding space extension arm, which is composed of a repeatable and expandable expandable and folding truss unit, a drive system, a power supply system and a supporting space platform. They can be connected through standard triangular joints, and the drive system is located in the triangular space at the bottom of the extension arm, connected to the supporting space platform, and connected to the power supply system through the transmission shaft. The invention adopts a triangular prism truss structure, which has the characteristics of geometric stability, structural rigidity and high unit repeatability, and can realize synchronous unfolding and folding, ensuring unfolding accuracy and repeatability accuracy, and can be applied to large-scale communication satellites, electronic reconnaissance satellites, The expandable antenna back frame of the space station platform, the solar sail arm frame, the feed source bracket, the spacecraft accessory connection mechanism, etc.

The invention discloses a pressure meter with a pointer with the light pillar display function. A traditional pressure meter is replaced. The measuring modes including resistance teletransmission, Hall teletransmission, differential teletransmission and the like are changed. The problems that the traditional teletransmission pressure meter is only provided with an indirect sampling sensor, output values are instable, signals are asynchronous, and the structure is complex are solved. A strain sensor of the pressure meter can achieve full sealing, and the pressure meter has the stability, the anti-vibration performance and the synchronism; meanwhile, the structure is simple, and installation and debugging are convenient. In addition, a strain gage is pasted to the metal surface and changes along with metal deformation, and a voltage is output under the effect of the bridge voltage. When pressure is measured through the pressure meter, a spring pipe will change, the strain gage also changes, and a light pillar display screen detects change voltage signals and directly displays change pressure values. The shape of the pressure meter is not changed. By means of the pressure meter with the light pillar display function, the pressure values can be easily read and observed under the poor light condition, and observing dead zones can not be formed.

The invention discloses an automatic loading and unloading device of a hundred-meter steel rail. The device comprises a lifting module, a transverse moving module, an electromagnetic attraction module, and a monitoring module; the electromagnetic attraction module walks on the lifting module through the transverse moving module, sub modules of the monitoring module are arranged on the another three modules, the brand-new design scheme is adopted, and the problems that an existing steel rail loading and unloading device is long in consumed time, low in efficiency, and low in loading and unloading precision and needs manual cooperation can be solved. The device can precisely lift the hundred-meter steel rail attracted by an electromagnet, the hundred-meter steel rail can be rapidly transported, deflection of the hundred-meter steel rail in the transport process can be effectively prevented, and therefore in the stacking process, toppling over is avoided; and the device has the pertinence, is suitable for the work environment of short-stroke lifting and long-stroke transverse moving, and is more efficient and higher in precision compared with an existing device.

The invention discloses a distributed fiber monitoring system and method for the seepage flow velocity of a hydraulic structural body, and the system comprises a sensing optical fiber, a main frame, a first frame, and a second frame. Concrete and a first medium are respectively disposed between the first frame and the main frame and between the second frame and the main frame in an alternate manner. A flow velocity signal pre-amplifier is disposed below the concrete and the first medium. An optical fiber carrying platform network and a flow velocity induction rod are sequentially disposed below the flow velocity signal pre-amplifier. The flow velocity induction rod is connected with a seeped water temporary storage pool through a flow guide fine tube. The seeped water temporary storage pool is communicated with the outside through a water overflowing pipe. The sensing optical fiber enters the optical fiber carrying platform network along an inner wall of the first frame, then passes by the main frame to enter the optical fiber carrying platform network again, and comes out from an inner wall of the second frame. The system and method are quick, simple, efficient and precise, and effectively improve the effect of monitoring the seepage flow velocity of the hydraulic structural body.

The invention provides an automatic small loop bartacking machine, and belongs to the technical field of garment processing. The automatic small loop bartacking machine comprises a carriage, a braid retaining bottom plate, a fixed cutter, a movable cutter, a braid head pressing piece, a braid channel plate and a braid tail pressing piece, the fixed cutter is installed on the braid retaining bottom plate, an air groove in the fixed cutter communicates with a cut-off notch, the movable cutter is slidably arranged in a movable cutter groove of the braid channel plate, one-way retaining tongues are arranged on the upper side of the braid retaining bottom plate and the lower side of the movable cutter correspondingly, the braid tail pressing piece is installed on the braid channel plate, the movable cutter auxiliary pressing piece is installed on the braid tail pressing piece, a fork guide piece is installed on the movable cutter auxiliary pressing piece, and the braid head pressing piece is installed at the front end of the carriage. Automatic feeding, cutting, folding and bartacking sewing of the braid can be achieved, the processing efficiency is greatly improved, the automation degree is high, the small rubber loop forming effect is good, and stability and reliability are achieved.

The invention relates to a measuring device for elastic modulus and thermal expansion coefficient of hydraulic oil, comprising a closed cylinder, a piston, and a parameter measuring assembly. The piston is located in the closed cylinder, which isolates the closed cylinder into two closed chambers. There is a test medium flow channel at the bottom of the closed cavity, and there is a through hydraulic oil channel in the piston; the parameter measurement component is fixedly connected to the piston, and its output signal line is connected to the control panel of the simulation device. The measuring device can be connected to the simulation device to realize the simulation of high temperature and high pressure environment, and at the same time obtain the synchronous elastic modulus and thermal expansion coefficient. The physical parameters of the hydraulic oil and its working environment are synchronized, ensuring the accuracy of the measured parameters.