13results about How to "Reduce frequent operations" patented technology

The invention is applicable to the technical field of material mixing, and provides an automatic proportioning PVC (polyvinyl chloride) additive processing mixer which comprises a box body and a shell which is fixedly arranged on the box body in a sleeving manner and is used for heating the box body, the stirring rod is rotationally arranged in the box body and is used for stirring materials; the weighing device is fixedly arranged at the top of the box body and is used for weighing a PVC (Polyvinyl Chloride) auxiliary agent; a weighing box is arranged on the weighing device; the plurality of liquid storage tanks are arranged above the side of the weighing box, and liquid discharge pipes of the plurality of liquid storage tanks are connected with the weighing box; the discharging pipe is fixedly mounted at the bottom of the weighing box and penetrates through the top of the box body; and the driving mechanism is arranged on the box body and is used for driving the stirring rod to rotate. The PVC auxiliary processing mixer with the automatic proportioning function has the advantages that the working efficiency can be effectively improved, the labor intensity can be reduced, waste can be reduced, and meanwhile, the processing performance of PVC resin can be improved through accurate proportioning and sufficient mixing.

The invention discloses a soil sampling device and method for soil pollution detection of engineering project construction, and relates to the technical field of construction environment monitoring. The device comprises a square pipe frame, a cutting ring rod, a top cover piece, a rotating piece, an outer positioning piece, a partition square block and the like. Through the matching structure of the square pipe frame, the cutting ring rod, the top cover frame and the rotating piece, cutting ring type soil sampling operation can be conveniently carried out. The partition square blocks are matched with the cutting ring rod and the square pipe cavity, so that the partition square blocks can be independently configured during sampling, and soil samples at all sampling points are quickly separated and stored in the square pipe cavity, so that the sampling soil does not need to be stripped and stored for multiple times in a project construction area, frequent operation of the soil sampler on soil separation is reduced, and the sampling efficiency is improved. Soil sampling of multiple places can be rapidly completed, independent taking-out operation of soil samples can be rapidly achieved during detection, and the soil sampling efficiency and convenience of soil pollution detection in engineering project construction are integrally improved.

The invention discloses a log management method, system and device, a storage medium and a computer product, and is applied to the technical field of storage, and the method comprises the following steps: receiving a to-be-stored log, and determining a log file for placing the log in a file directory; processing the log based on a preset buffer rule to store the log in a disk; when it is judged that any log file in the file directory conforms to the preset file scrolling triggering rule, a message used for representing file scrolling management of the log file is sent to a notification queue; and processing the messages in the notification queue one by one through a specified thread so as to perform file rolling management on the corresponding log files in sequence. By applying the scheme of the invention, log management can be effectively carried out, a high-concurrency and large-flow log storage scene can be effectively handled, and the stability of a log management system is guaranteed. Moreover, the processing efficiency can be effectively improved, and frequent operations on disk I / O are reduced.

The utility model discloses a kind of pre-welding preheating devices, including support plate, support pipe, overturning connecting mechanism and two heating mechanisms, wherein, support pipe is set on support plate, and is set through support plate, two heating mechanisms are rotatably connected on support pipe by overturning connecting mechanism, overturning connecting mechanism includes first rotating assembly, first drive mechanism and adjusting assembly, wherein, first rotating assembly is rotatably connected on support pipe, adjusting assembly is movably connected on first rotating assembly, first drive mechanism is set on support plate, and located below first rotating assembly. Thus, adopt double-side dynamic or static mode to spray out flame heating, flame position and direction can be adjusted, suitable for the uniform preheating of different parts structure, reduce staff frequent operation, reduce work intensity, improve welding quality.

The invention discloses a vehicle, and belongs to the technical field of vehicles. According to the vehicle, when the vehicle travels to a turning section, the steering angle of the vehicle is controlled between the starting point position and the end point position of the turning section to change in a mode including a plurality of peak values within a target frequency range, and the target frequency range ranges from five times per five seconds to ten times per five seconds. The vehicle is easy to control, smoother and dynamically adaptive steering control is achieved, frequent operation on a steering wheel is reduced, and the riding experience of passengers is improved.

The utility model discloses a self-propelled silage harvester with an automatic material filling function, which comprises a walking system and a harvesting system, and a main controller, a motion controller and an electromagnetic valve group are arranged above a rack of the walking system; the harvesting system comprises an arc-shaped material throwing barrel, a Hall sensor is arranged in front of a meshing fluted disc of a worm steering device of the arc-shaped material throwing barrel, a flow sensor is arranged on the inner side of a second section of material throwing barrel, a laser distance measuring sensor is arranged on the inner side of a third section of material throwing barrel, and a camera is arranged at the bottom end, close to a discharging guide pipe, of the third section of material throwing barrel. An angle sensor is arranged at the front end of a fixed rotating shaft of the discharging guide pipe. When the self-propelled silage harvester works, the visual system intelligently controls a second section of throwing cylinder of the throwing execution device to transversely and horizontally rotate, longitudinally and vertically ascend and descend and a discharging guide pipe to be opened and closed, it is guaranteed that materials are evenly thrown to a stock bin or a material receiving trolley of the self-propelled silage harvester and are filled with the materials, and the silage harvesting efficiency and quality are improved; and the intelligent degree of the silage harvester in China is improved.

The utility model relates to a quick phase sequence switching device for a relay protection tester. The quick phase sequence switching device comprises a total loop fuse FU1 and a reset button SB4, the total loop fuse FU1 and the reset button SB4 are connected in series to the total loop; three branches are arranged on a control loop of the reset button SB4 in parallel; wherein the first branch comprises a springback button SB1, the springback button SB1 is connected with a normally open contact of the KM1 in parallel and is connected with a coil of the KM1 in series after passing through a normally closed contact of the KM2, and the indicator lamp is connected with the coil of the KM1 in parallel. The second branch comprises a springback button SB2, the springback button SB2 is connected with a normally open contact of the KM2 in parallel and is connected with a coil of the KM2 in series after passing through a normally closed contact of the KM3, and an indicator lamp is connected with the coil of the KM2 in parallel. According to the utility model, rapid phase sequence switching can be realized, frequent operation of the relay protection tester is reduced, the service life of the tester is prolonged, and the relay protection tester has the characteristics of simple structure, convenience and practicability.

The present invention discloses a soil sampling device and method for soil pollution detection in engineering project construction, and relates to the technical field of construction environment monitoring. In the present invention: it includes square tube racks, ring knife rods, top cover parts, rotating parts, external positioning parts, partition blocks and other components. Through the matching structure of the square tube rack, the ring knife rod, the top cover rack, and the rotating parts, the ring knife type soil sampling operation can be carried out conveniently. The partition block cooperates with the ring knife rod and the square tube cavity, and the partition block can be independently configured during sampling, and the soil samples of each sampling point are quickly separated and stored in the square tube cavity. In this way, there is no need to peel and store the sampled soil multiple times in the project construction area, and the frequent operation of the soil sampler in soil separation is reduced. It can not only quickly complete soil sampling at multiple locations, but also quickly realize the independent removal operation of soil samples during detection, which improves the soil sampling efficiency and convenience of soil pollution detection in engineering project construction as a whole.

An automatic dosing device for a sand washing system comprises a dosing box and a sand washing water tank, a main material storage tank is fixedly installed in the dosing box, an automatic dosing piece is fixedly installed at the bottom of the main material storage tank, a blocking frame is fixedly installed at the bottom of the dosing box, a sealing cover is installed at the upper end of the sand washing water tank in a threaded mode, and the blocking frame is fixedly installed at the upper end of the sealing cover. According to the automatic chemical adding device, the chemical adding amount can be accurately controlled through the automatic chemical adding part, the problem that the chemical adding precision is not high due to manual or semi-automatic operation is solved, frequent manual operation is reduced, the labor intensity of workers is reduced, the working efficiency is improved, and the labor intensity of the workers is reduced. The automatic chemical adding part can continuously and stably carry out chemical adding operation, system fluctuation caused by human factors is reduced, the stability of the whole sand washing system is improved, chemicals are evenly mixed in sand washing water through the stirring rod in the sand washing water tank, and therefore the sand washing effect is improved.

The present invention relates to a method for culturing an oxygen-resistant Lactobacillus acidophilus, the method comprising: culturing the activated Lactobacillus acidophilus in a microbial droplet culture instrument, using hydrogen peroxide as an oxygen stress factor in the culture to obtain Lactobacillus acidophilus droplets; purifying the Lactobacillus acidophilus droplets, inoculating them into a fermentation medium after activation, and fermenting them under the condition of introducing air. The method described in the present application can improve the domestication efficiency and accuracy of Lactobacillus acidophilus, reduce the feedback inhibition of metabolites on lactic acid bacteria, and improve the tolerance of lactic acid bacteria to oxygen, so as to achieve the purpose of high-density fermentation under aerobic conditions.

The utility model discloses a golf cart based on steering wheel intelligence returns to the technique of positive, including golf cart, the neck of the rotating lever of golf cart is equipped with fixed shell, and the bottom fixed connection of fixed shell is located in the operating platform surface of golf cart, the rotating lever surface fixed cover of fixed shell inside is equipped with first bevel gear ring, and the bottom of one side of first bevel gear ring is engaged with second bevel gear, and the bottom fixed mounting of fixed shell has servo motor, and the output of servo motor and the axle key connection of second bevel gear are together, and the top inner wall fixed mounting of fixed shell has controller, and servo motor is controlled in controller, the utility model discloses the setting of button and controller and servo motor, not only realizes electric steering control, and more relies on the linkage of controller and servo motor and builds automatic return function, and steering return can be completed without manual operation, and the frequent operation of driver hand is reduced greatly, and hand fatigue is relieved effectively.

According to the automatic start-stop control system and method for the electrically-driven feed pump of the coal-fired unit, the system is mainly used for automatically starting or stopping all devices of an electrically-driven feed pump system, automatic start-stop of the electrically-driven feed pump system is achieved, and automatic start-stop of the electrically-driven feed pump system is achieved by inputting a recirculation adjusting valve of the electrically-driven feed pump. Automatic control of the inlet flow of the electric feed pump is achieved, whether equipment operates normally or not is automatically judged according to feedback of the operation state of the equipment, the equipment failed to start is fed back to operation personnel in time, operation can be handled in time, frequent operation of the operation personnel is reduced, and the automation degree of a unit water supply system is improved. The unit operation reliability is improved.