14results about How to "Avoid laying" patented technology

The utility model discloses an electric screw type construction supporting device which comprises a first stand column, a second stand column and a nut. The first stand column and the second stand column each comprise a guide rail, a screw installed on the guide rail, a motor installed on the guide rail and used for driving the screw to rotate, a supporting assembly installed on the guide rail and a fixing assembly used for fixing the guide rail, and the screw of the first stand column and the screw of the second stand column are both in threaded connection with the nut. The electric screw type construction supporting device is used for supporting a horizontal prefabricated part, pouring of an upper floor can be carried out during maintenance of a lower floor, maintenance and pouring can be carried out at the same time, the construction period can be shortened, and the construction cost can be reduced.

The invention provides a directional ship detection method and system based on joint attention. The method comprises the following steps: acquiring image acquisition data; performing feature extraction by using a backbone network to obtain a multi-scale feature map, performing feature re-calibration on the multi-scale feature map, and outputting an enhanced target feature map; carrying out convolution operation on the enhanced target feature map by adopting self-adaptive geometric convolution to obtain ship direction characterization information; generating a candidate frame based on the ship direction representation information, calculating intersection-parallel-ratio statistical characteristics in combination with a ship real frame, and performing training sample adaptive distribution according to the intersection-parallel-ratio statistical characteristics; based on an Anchor-free detection framework, carrying out ship orientation detection by utilizing the training sample subjected to self-adaptive distribution to obtain a ship orientation detection result; through multi-scale feature re-calibration, adaptive geometric convolution and dynamic sample distribution, the ship direction and features in a maritime monitoring scene can be captured, and the detection precision and real-time performance are improved.

The invention discloses fresh air heating equipment which comprises a box body, a cover plate, an air duct assembly and a control adjusting assembly. According to the fresh air heating equipment, the cover plate covers the air channel assembly in the box body, the air channel assembly is internally provided with the air flow channel, the air channel assembly divides the box body into the first air cavity and the second air cavity, and the first air cavity and the second air cavity intersect at one end of the air flow channel; the exhaust outlet and the ventilation opening communicate with the other end of the air flow channel, and the first air cavity communicates with the ventilation opening so that it can be guaranteed that fresh air is introduced. By controlling the adjusting assembly, the air flow channel is controlled to be selectively communicated with one of the ventilation opening and the exhaust opening, so that switching among a fresh air heating mode, an indoor air heating mode and an air exchange mode is achieved. According to the fresh air heating equipment, multiple working modes are provided, fresh air heating is achieved by introducing fresh air to be mixed with indoor air, and energy consumption is reduced while the air inlet amount is increased; the air exchange mode is adopted, the oxygen content concentration in the bathroom is improved, and then the comfort degree is improved.

The invention discloses an intelligent cleaning and storage system for breathing machine accessories. The system is characterized in that the system comprises a host, a transfer robot and a water changing base station, the host is provided with a host parking bin, a main control module, a cleaning storage device and a host waterway system, the water changing base station is provided with a base station transfer bin, a base station control module and a base station waterway system, and the transfer robot is provided with a clear water tank and a sewage tank; the transfer robot can move and berth between the main machine and the water changing base station, provides a clean water source for the cleaning and containing device and stores sewage, and the transfer robot adds the clean water source and discharges the sewage through the water changing base station. The household breathing machine accessory cleaning device has the advantages of cleaning and clean storage of household breathing machine accessories, supply of a cleaning water source, automatic water storage and sewage discharge, convenience in use, high automation degree, capability of meeting use requirements of bedrooms and the like.

The invention relates to a bridge frequency indirect measurement method and system based on a mobile measurement device, and belongs to the field of bridge engineering measurement. Firstly, the theoretical frequency of a to-be-measured bridge is estimated, the device frequency is inversely calculated according to the theoretical frequency and the preset axle frequency ratio, and the total rigidity of an air spring is calculated; after the total rigidity of the air spring is adjusted to a calculated value, the device is placed on a bridge to be tested to run, the wireless dynamic acceleration test analysis subsystem carries out variational mode decomposition on acceleration signals collected by all the magnetoelectric vibration sensors, fast Fourier transform is carried out on the obtained multiple components, and a spectrogram is obtained; determining a bridge vibration component spectrogram, extracting bridge frequency, and averaging the bridge frequency extracted from the bridge vibration component spectrogram of each sensor signal to obtain a bridge frequency indirect measurement result. According to the invention, traffic closing and complicated arrangement of sensors are not needed, the detection precision and efficiency are high, and the bridge can be detected in a targeted manner by changing the parameters of the device.

The utility model discloses a green agricultural water-saving irrigation device which comprises an irrigation device body. A mounting frame is mounted on the irrigation device body, a liquid storage bottle is mounted on the mounting frame, a liquid dropping mechanism is arranged on the mounting frame and the liquid storage bottle and comprises a support, the support is mounted at the top of the liquid storage bottle, an air hole is formed in the top of the liquid storage bottle, an air hole plug is mounted in the air hole, a pull rod is slidably mounted on the support, and one end of the pull rod is mounted on the air hole plug. A pull ring is installed at the other end of the pull rod, a threading pipe is installed on the installation frame, and a horizontal line wheel and a vertical line wheel are rotationally installed on the installation frame; the liquid storage bottle is fixed beside crops through the fixing mechanism, liquid in the liquid storage bottle is controlled to drop through the liquid dropping mechanism, laying of a large number of pipelines is avoided, the pipelines do not need to be carefully avoided when the crops are picked, and meanwhile the situation that the pipelines are damaged or blocked and the whole irrigation system is affected is avoided.

The application provides a heating type evaporation and infiltration instrument, and relates to the field of ecological environment detection. The heating type evaporation and infiltration instrument comprises an evaporation and infiltration unit, a detection unit and a water supplementing unit. The evaporation and infiltration unit comprises an outer barrel, an inner barrel, a heating module and a weighing sensor. The outer barrel is sleeved on the outer barrel. The top of the inner barrel is provided with a rain collecting opening. The heating piece of the heating module is used for being attached to the inner barrel, and is used for heating the undisturbed soil stored in the inner barrel. The weighing sensor is installed on the outer barrel, and the weighing sensor bears the inner barrel. The detection unit is used for obtaining the test parameters of the undisturbed soil. The water supplementing unit is connected with the evaporation and infiltration unit, and is used for supplying water to the inner barrel. When the heating wire infiltration instrument operates, the difference between the test simulation environment and the actual environment of the undisturbed soil can be reduced, and the accuracy and reliability of the test result can be improved.

The present invention discloses an outdoor batch dryer applied in the field of grain drying technology, the structure of which includes a main body and an outer shell, the main body is used for grain drying operation, the outer shell is an outer cover and connected to the main body, a working cavity is formed between the outer shell and the main body, and the outer shell is provided with a plurality of working entrances and exits corresponding to the working cavity. The structural setting of the outdoor batch dryer can directly assemble the equipment outdoors for use, and the outer shell can be constructed according to the drying layout requirements of the main body during the construction process, which not only ensures the coordination effect of the outer shell protection and the drying equipment, but also reduces the space occupied by the equipment operation, further reduces the cost of plant construction, and improves the application flexibility and practicality. At the same time, the outer shell ensures the safety of grain drying, providing a guarantee for the smooth progress of the drying work.

The utility model relates to a kind of grain barn inner circulation uniform temperature ventilation system, including grain barn and the center pipe being set in the middle part of grain barn, further including ventilation pipe, upper air collecting chamber, lower air collecting chamber, ventilation ground groove, center ventilator and uniform temperature fan;Ventilation pipe is fixedly arranged on the lateral wall of center pipe;Upper air collecting chamber is communicated with the upper end of ventilation pipe;The air supply pipeline of center ventilator and uniform temperature fan is all communicated into upper air collecting chamber, center ventilator and uniform temperature fan extract air from the top inside grain barn, then output into upper air collecting chamber, lower air collecting chamber is communicated with the lower end of ventilation pipe;Ventilation ground groove is opened in the bottom of grain barn, and ventilation ground groove is communicated with lower air collecting chamber, so that uniform temperature airflow can be vertically downward along ventilation pipe and reach lower air collecting chamber and ventilation ground groove located in bottom, uniform temperature ventilation is carried out to grain from bottom to top, form inner circulation located in grain barn, avoid heat loss and energy efficiency reduction caused by long-distance transportation of traditional external air pipe, improve economy and environmental protection.

The utility model discloses garden flower maintenance spraying equipment, which belongs to the technical field of maintenance spraying, comprises a transverse moving mechanism, and has the beneficial effects that the garden flower maintenance spraying equipment is provided with the transverse moving mechanism, so that when people need to spray flowers at different transverse positions, the transverse moving mechanism can move forwards and backwards; people control a first positive and negative motor to rotate through a control switch so as to drive a first threaded column to rotate, and under the cooperation of the first threaded column and a first threaded cap, a spray head is driven to transversely move so as to spray flowers in different transverse positions, so that laying of multiple sets of spraying equipment is avoided, the cost is reduced, and the practicability of the device is improved; when people need to spray flowers at different positions in the longitudinal direction, people control a second positive and negative motor to operate through a control switch so as to drive a second threaded column to rotate, and under the cooperation of the second threaded column and a second threaded cap, a spray head is driven to move in the longitudinal direction so as to spray the flowers at different positions in the longitudinal direction.

The embodiment of the invention discloses a traffic control method and device based on power line carrier, and a medium, which are applied to the technical field of intelligent traffic and are used for providing a traffic control method for unified management, and the method comprises the following steps: a first power line carrier communication module carries out power line carrier communication on the basis of a power supply line between a roadside subsystem and an external field direct connection subsystem; receiving the multi-source real-time traffic data uploaded by the second power line carrier communication module, and transmitting the multi-source real-time traffic data to the edge calculation module based on the communication interface module; the edge calculation module preprocesses the multi-source real-time traffic data and performs data fusion on the processed multi-source real-time traffic data according to a preset immune clustering neural network to obtain fused traffic data; the communication module transmits the fused traffic data to the central subsystem; and the central subsystem generates corresponding business data based on the fused traffic data, and transmits the business data to each external field subsystem for traffic control based on the power line carrier communication module.

The utility model relates to a single-phase transformer bank low-voltage side bus bar arrangement type, which comprises a main transformer and a low-voltage side power distribution device wire inlet cabinet, and the main transformer is connected with the low-voltage side power distribution device wire inlet cabinet through a phase-isolated enclosed bus. The main transformer is composed of a T-phase transformer, an S-phase transformer and an R-phase transformer which are sequentially arranged from left to right, and the low-voltage sides of the T-phase transformer, the S-phase transformer and the R-phase transformer are connected with one end of the isolated-phase enclosed bus through a first connecting piece. And the other end of the isolated-phase enclosed bus is connected with a low-voltage side power distribution device incoming cabinet arranged on one side of the R-phase transformer through a second connecting piece. The device has the characteristics of simple structure, compact arrangement, safety in operation, convenience in maintenance, capability of adapting to various weather conditions and the like.

The invention provides a height self-adaptive transportation tool which comprises a sliding base, a jacking part, an adjustable clamp and a retainer, a rotating disc is rotatably arranged on the top surface of the sliding base, the jacking part is fixedly connected to the rotating disc, the adjustable clamp is fixedly connected to the end, away from the rotating disc, of the jacking part, and a cross clamping hole is formed in the center of the adjustable clamp; the retainer is detachably arranged on the peripheral side of the rotary disc in a sleeving mode, the retainer extends towards the two side walls of the sliding base, guide wheels are rotationally arranged on the inner wall of the retainer, and the guide wheels are used for abutting against the side wall of the equipment foundation, and the effects of improving the transportation efficiency of the transportation tool and improving the transportation stability are achieved.

The present invention discloses a combined stator cycloidal motor, comprising a body, an output shaft is arranged in the body, one end of the output shaft extends out of the body, and the other end thereof is provided with an oil distribution sleeve, the oil distribution sleeve and the output shaft are separately arranged, an oil distribution shaft is arranged between the oil distribution sleeve and the output shaft, a transmission shaft is arranged outside the oil distribution shaft, an oil distribution tooth is arranged between one end of the oil distribution shaft and the output shaft, one end of the oil distribution shaft is connected to the output shaft through the oil distribution tooth, and the other end of the oil distribution shaft is movably connected to the oil distribution sleeve; a stator assembly is arranged outside the transmission shaft, the stator assembly is meshedly connected to the transmission shaft, a pressure difference oil chamber is arranged between the transmission shaft and the oil distribution shaft, the hydraulic oil in the pressure difference oil chamber drives the stator assembly to drive the transmission shaft to rotate through the pressure difference, and the rotation of the transmission shaft can drive the output shaft to rotate. The present invention effectively avoids the mutual influence of the output shaft and the oil distribution sleeve through the separate design of the oil distribution sleeve and the output shaft, thereby improving the working efficiency and stability of the cycloidal motor.