24results about How to "Avoid laying" patented technology

The invention discloses a multi-path hydraulic rotary main shaft, and belongs to the technical field of manufacturing of main shafts of hydraulic systems. The invention aims to solve the technical problem of how to realize hydraulic transmission on a rotary main shaft. According to the technical scheme, the hydraulic spindle is characterized by comprising a spindle body, a spindle sleeve body, a front bearing, a rear bearing and a front end cover, a plurality of hydraulic channels are formed in the end face of the spindle body in the length direction of the spindle body, and openings of the hydraulic channels are evenly distributed in the end face in the circumferential direction; first-class radial channels which are the same as the hydraulic channels in number and are communicated in a one-to-one correspondence mode are arranged on the peripheral face of a shaft body of the main shaft body, the lengths of the hydraulic channels on the shaft body are different, annular oil grooves which are the same as the hydraulic channels in number are formed in the inner side of the shaft sleeve body, and the annular oil grooves are correspondingly communicated with the first-class radial channels in a one-to-one correspondence mode. A second-class radial channel communicated with each annular oil groove is formed in the peripheral wall of the shaft sleeve body. The hydraulic oil conveying device has the advantage that the effect of conveying hydraulic oil on the rotating main shaft can be achieved.

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 utility model discloses a laboratory wireless monitoring system, which comprises an information gathering module and a plurality of information collection modules in wireless connection with the information gathering module, the information gathering module comprises a case, a wireless receiving unit is arranged in the case, and the wireless receiving unit is connected with the information collection modules. The outer side of the machine case is provided with a communication connector connected with the wireless receiving unit, the outer side of the machine case is provided with a first antenna connected with the wireless receiving unit, the information collection module comprises a machine shell, a wireless sending unit is arranged in the machine shell, and the first antenna is connected with the wireless receiving unit. An analog signal connector connected with the wireless sending unit is arranged at the bottom of the machine shell, and a second antenna connected with the wireless sending unit is arranged on the outer side of the machine shell. According to the utility model, various parameters (such as air volume, temperature and humidity, and pressure) during experimental operation are wirelessly collected and summarized, the system is suitable for various detection sensors, data exchange and control are carried out on an original laboratory system, the layout is simple, the cost is saved, the installation is convenient, and the use effect is good.

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 utility model relates to the technical field of food steamer paper, in particular to edge-surrounding punching food steamer paper which comprises base paper, a hole area is arranged in the middle of the base paper, a plurality of through holes are formed in the hole area, and a folding edge is arranged on the outer ring of the base paper. According to the food steamer, the base paper and the folding paper are matched with each other, the folding paper is attached to the inner wall of the food steamer after the base paper is laid in the food steamer, then cooked wheaten food is placed on the base paper, the folding paper and the base paper can well separate the cooked wheaten food from the food steamer along with fattening of the cooked wheaten food, and therefore the cooked wheaten food in the food steamer is prevented from being adhered to the inner wall of the food steamer; therefore, the subsequent cooked wheaten food taking-out is not convenient.

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 invention provides a box girder steel reinforcement framework binding device and method, and solves the problems that the production cost is high and the temporary space of a site is large due to the fact that a set of door-shaped frame and binding equipment need to be installed at each steel reinforcement positioning tire film. The device comprises ground rails which are connected end to end and annularly arranged on the ground, a first moving device capable of horizontally moving in the extending direction of the ground rails is arranged on the ground rails, a first telescopic device extending in the left-right direction is fixedly arranged at the top of the first moving device, and the movable end of the first telescopic device is fixedly connected with one side of a binding rail; the binding rail is of a vertically-arranged U-shaped structure with a downward opening, and the other lower end of the binding rail is located on the outer side of the ground rail and arranged in a suspended mode. Distance sensors are fixedly arranged on the left inner side and the right inner side of the binding track; a movable binding device capable of moving in the extending direction of the binding rail is arranged on the binding rail.

The utility model relates to the technical field of road traffic, in particular to a kerb system. The curb system comprises a street lamp, a photovoltaic panel, a processing device and curbs; the photovoltaic panel is installed on the top of the street lamp and electrically connected with the processing device. The curb is located at the junction of the roadway and the sidewalk; the curb comprises a curb body and a lamp strip, the lamp strip is mounted at the top of the curb body, a wiring space is formed in the curb body, one end of the wiring space communicates with the lamp strip, and the other end of the wiring space communicates with the outside; the processing device is electrically connected with the lamp strip through the electric power pipeline via the wiring space. The street lamp is simple in structure and convenient and fast to operate, the photovoltaic panel can be prevented from being shielded by trees by installing the photovoltaic panel on the top of the street lamp, so that the processing device and the lamp strip have sufficient energy, the lamp strip provides a light source for a sidewalk and a roadway, meanwhile, the situation that the road surface sinks due to rolling of vehicles is avoided, and the service life of the street lamp is prolonged. And the electric power pipeline is damaged.

The present application provides an underwater mobile aeration device and its control method, terminal and storage medium, which can complete the flushing or absorption of the bottom mud of the water body, the aeration and oxygenation of the bottom mud and the water body, and can autonomously adjust the aeration intensity and the speed of movement according to the perceived dissolved oxygen and water temperature and other water quality components in the water, quickly improve the self-purification ability of the water body, and maintain or improve the overall quality of the water environment. The system is a mobile polluted water body repair equipment, which avoids the laying of oxygenation pipelines in a large area of ​​the river channel, and at the same time realizes the optimization, intelligence and automation of water body oxygenation. Because it is mobile, the oxygenation device can reach any location within the operation range with a certain frequency, realize continuous and effective oxygen supply to larger water bodies, and realize the optimization, intelligence, and automation of operation, and get rid of dependence on manual labor. The present invention can operate uninterruptedly all day and all time, with a large operating range and high oxygenation efficiency, effectively maintaining the water quality of urban river sections and preventing the occurrence of black and smelly water bodies.

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 invention discloses an interventional DSA catheter room patient head and face protection device which comprises a fixing plate and a protection mechanism, the protection mechanism is arranged on the fixing plate and detachably connected with the fixing plate, the protection mechanism comprises a bottom plate and a protection cover, the protection cover is provided with a connecting column, the bottom plate is provided with a connecting groove, and the connecting column is clamped in the connecting groove. According to the invention, enough space can be provided for a patient to breathe, radiation can be prevented, and the head of the patient is protected.

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 discloses an unwinding device with a tensioning assembly, which comprises a first bracket and a second bracket, and further comprises an unwinding platform, a multi-stage telescopic rod for connecting the first bracket and the second bracket, and a detachable guide rail mounted on the first bracket and connected with the second bracket, the power structure is installed on the unwinding platform and corresponds to the detachable guide rail, the unwinding structure is installed on the top of the unwinding platform, the unwinding tensioning assembly is installed at the front end of the unwinding platform, and the vacuum suction assembly is installed at the bottom of the unwinding platform. The first support and the second support are each provided with a lifting assembly, the bottom of the unwinding platform is provided with a detection structure, and the unwinding platform is further provided with a storage battery and a PLC. The starting point position of the unwinding platform is the end, connected with the first support, of the detachable guide rail. According to the utility model, the coiled material is in a tensioning state in the whole unwinding process, so that the coiled material is prevented from loosening, the coiled material is prevented from wrinkling in the laying process, and the laying quality is ensured.

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 ultra-narrow hinge shower room comprises a first glass plate and a second glass plate which are vertically arranged. According to the ultra-narrow hinge shower room, the movable door and the fixed glass plate form an inward-pushing or outward-opening structure through the arrangement of the hinge structure, the structure is easy and firm to install, the connecting hole and the protruding structure play a guiding role, deviation cannot occur in the installation process, and the installation efficiency is improved. The normal use of the hinge structure can be ensured while the mounting time is saved; according to the water retaining device of the shower room, the first connecting piece and the second connecting piece are arranged, the water retaining device is connected with the ground only through the first connecting piece and the second connecting piece, and the water retaining device is fixed to the glass plate and the water retaining strip in a clamping and pressing mode, so that the water retaining strip is prevented from being fixedly connected with the ground or a shower tray, and the fixed connection area is reduced; the upper strip frame is fixed with the corresponding glass through the fixing groove; the size of the whole shower room is small, but the first glass plate and the second glass plate are vertically arranged, so that light rays in the shower room enter a larger space, and natural lighting is increased.

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 invention discloses a directional drilling rig drill bit for ultrasonic vibration-assisted rapid drilling, comprising a drill bit body that can be screwed and fixed on the front end of a drill rod, the drill bit body being a hollow structure, the front end of the drill bit body being a multi-claw structure, and a drill tooth being installed on each claw tooth through a mounting seat; an ultrasonic actuator is provided inside the front end of the drill bit body, and the ultrasonic actuator has a radial extension portion embedded in the tooth grooves of adjacent claw teeth; the ultrasonic actuator is used to convert and amplify the ultrasonic signal generated by the ultrasonic generator through an energy converter and an amplitude converter, and then act on the rock mass; the ultrasonic generator, the energy converter and the amplitude converter are all arranged through the mounting hole in the middle of the drill bit body; and the ultrasonic generator is a rechargeable structure of a DC power supply, and has a remote control unit. The beneficial effects of the invention are that it has an ultrasonic-assisted cracking function; there is no need to set a power supply and a control line, the drilling process is safe, the hole-forming speed is fast, and the drilling efficiency is high, and it is particularly suitable for long-distance directional drilling in the coal mining industry.

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.