58results about How to "Balance effect" patented technology

A handle for a fishing rod is provided. The handle is of multi-piece construction and comprises a reel seat for securely receiving a fishing reel of various types. Portions of the handle are secured together to selectively form a secure connection between a rod and a reel.

The invention belongs to the technical field of agricultural machines, and particularly discloses an agricultural multi-rotor aircraft. The agricultural multi-rotor aircraft comprises a flight system and an aircraft spray system. The flight system comprises a center plate, a cell panel is arranged on the center plate, the center plate is connected with rotors through rotatable rotor connecting devices fixedly arranged on the side end faces of the center plate, and a control device is arranged in the center plate. The aircraft spray system comprises a support, an aircraft spray structure is arranged in the support and comprises a spray fixing structure and a spray rod, a pesticide box and a pesticide pump are connected to the spray fixing structure, a spray head is fixed to the spray rod, and a pesticide pipe is connected with the pesticide box, the pesticide pump and the spray head in sequence. The agricultural multi-rotor aircraft is simple in structure, convenient to disassemble and good in use effect.

The invention relates to a microwave field vapor-liquid equilibrium measuring device and a determination method. A vapor-liquid equilibrium kettle (3) is arranged in a microwave cavity main body (1); temperature measurement points of a vapor-liquid interface infrared thermodetector (6) are arranged on an upper surface of a mixture liquid; temperature measurement points of a liquid phase main body infrared thermodetector (10) are arranged on a middle part of a liquid phase main body upper segment (9); a microwave generator (14) is connected with a rectangular waveguide (15) through a microwave circulator water load (16); the rectangular waveguide (15) is connected with an interface of the microwave cavity main body (1); the microwave generator (14) effects microwave energy on an interface of the liquid phase main body upper segment (9) of the vapor-liquid equilibrium kettle and a vapor main body (13); and the liquid is heated, vaporized and condensed by a condenser (4) and returns to a liquid phase main body lower segment (8) through a back flow (7); after equilibrium, samples are taken respectively from a liquid phase sample tap (11) and a vapor sample tap (5) and analyzed. Microwave does not heat the vapor-liquid equilibrium kettle body made of a borosilicate glass material but directly effects on vapor phase main body and the liquid phase main body, so as to realize characteristics of energy saving, rapidness and efficient heating.

The invention provides an unmanned aerial vehicle pesticide spraying box. The unmanned aerial vehicle pesticide spraying box comprises a box body; a water inlet is formed in the left side wall of thebox body; a water guide pipe is arranged at the right side of the water inlet; the water guide pipe is inlaid in the wall of a baffle; the baffle is welded to the upper side of a first partition plate; an infusion tube is inlaid in the first partition plate; the tail end of the lower side of the infusion tube is inlaid in the wall of a second partition plate; the upper side of the second partitionplate is fixedly provided with a stirring motor through a bolt; the lower side of the stirring motor is connected with a stirring shaft; the outer surface wall of the lower portion of the stirring shaft is fixedly welded with stirring blades; the stirring blades are arranged in a pesticide storage box; the pesticide storage box is arranged at the lower side of the second partition plate, and theouter surface walls of the left and right sides of the pesticide storage box are fixedly connected with first damping springs. The unmanned aerial vehicle pesticide spraying box is simple in structure, reasonable in design, convenient to operate, and strong in practicability.

The invention provides a medical trunk line optimization method and system, equipment and a storage medium. According to the method, a spatial-temporal network model is adopted to perform modeling ona medical trunk line network, wherein the optimal model is based on historical data, an integer programming algorithm is utilized to calculate an optimal relation curve of transportation cost and average time by finding Pareto optimality, and the optimal relation curve is provided off line for planning and selection according to service demands. Through the optimal model, the chronological order and the spatial relation in the medical trunk line network can be analyzed more effectively to optimize departure shifts. A constraint condition of an objective function guarantees that each OD must select one exact spatial-temporal path from optional spatial-temporal paths; a departure arc in each section of the spatial-temporal network has sufficient capacity to bear a corresponding express quantity; and the departure shifts are balanced in counter-departure between two arbitrary cities. Through the optimal model, overall planning can be performed from a global perspective, low-cost and high-timeliness delivery demands are entirely met, and good balance can be reached in terms of overall effect.

The invention discloses a cattle and sheep embryo incubator. The cattle and sheep embryo incubator comprises an incubator body and receiving plates. A plurality of separating bins which communicate with one another are arranged on the incubator body, culture dishes are arranged in the separating bins, first movable cavities are formed in the tops of the separating bins, and first baffles are arranged in the first movable cavities; and first connecting plates corresponding to the receiving plates are arranged on the side wall of the incubator body, first through cavities matched with the separating bins are formed in the receiving plates, oxygen generating devices and carbon dioxide generating devices are arranged on the receiving plates, second baffles are arranged in the first through cavities in an inserted mode, first connecting blocks are arranged on the receiving plates, and connecting grooves matched with the first connecting blocks are formed in the side wall of the incubator body. By connecting the receiving plates, the environment in the first through cavities is adjusted first, then the separating bins are opened, the outside air is prevented from directly entering the incubator body to affect the balance in the incubator body, the impact on the other culture dishes when one of the culture dishes is taken out alone is prevented, and the survival rate of embryos is improved.

The invention belongs to the related technical field of automatic control and discloses an automatic arm swinging two-wheel self-balancing service robot. The two-wheel self-balancing service robot comprises a vehicle body, two supporting plates which are perpendicularly fixed to the vehicle body in a spaced manner and a rotating shaft with the two ends being connected to the two supporting plates correspondingly. The two-wheel self-balancing service robot further comprises an upper swinging arm, a lower swinging arm and a controller. One end of the upper swinging arm and one end of the lower swinging arm are rotationally connected to the rotating shaft. When the upper swinging arm rotates, the controller controls the lower swinging arm to rotate in the direction opposite to the rotation direction of the upper swinging arm, then the lower swinging arm drives a heavy hammer to rotate so that the gravity center of the two-wheel self-balancing service robot can be adjusted, and the two-wheel self-balancing service robot achieves self-balance. The two-wheel self-balancing service robot can achieve self-balance better by controlling the upper swinging arm to rotate, the automation degree is relatively high, operation is easy, and the amount of borne heavy objects is relatively large.

The invention provides a rubber composition for an all-steel tread, and a preparation method thereof. The rubber composition for the all-steel tread comprises, by weight, natural rubber, neodymium branched cis-polybutadiene rubber, carbon black, a dispersant, an anti-aging agent, sulfur, an accelerator, an activator and a scorch retarder. The rubber composition is prepared by five-stage mixing. The all-steel tread rubber composition of the invention adopts an N134 pure carbon black filling system, and the use amount of carbon black is controlled within an appropriate range, so the rubber material has a low rolling resistance and a high wear resistance; the system branched cis-polybutadiene rubber is used, so the tear resistance of the tread is considered while reducing the rolling resistance and improving the wear resistance; and the five-stage mixing preparation method is beneficial to promote the contact and reaction of the N134 carbon black with the natural rubber and the neodymiumbranched cis-polybutadiene rubber in order to produce more carbon black binder, so the rolling resistance, the wear resistance and the tear resistance are comprehensively improved.

The invention discloses a multi-tub washing machine, and relates to the technical field of washing machines. The multi-tub washing machine can reduce vibration of the upper portion of the washing machine and can reduce noise. The multi-tub washing machine comprises a machine shell, a washing tub assembly is arranged inside the machine shell, the washing tub assembly comprises two or more upper part washing tubs, a lower part washing tub and an upper part damping structure, the upper part washing tubs are impeller washing tubs, each impeller washing tub comprises an inner tub and an outer tub located outside the inner tub, and a distance is formed between every two adjacent outer tubs; the lower part washing tub is located below the upper part washing tub; the upper part damping structure is used for damping the upper part washing tubs, and the upper part washing tubs are connected with the machine shell through the upper part damping structure. The multi-tub washing machine is used forreducing the vibration amount.

The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media.

The invention relates to a beam string and cantilever truss combined roof truss and a construction method. The beam string and cantilever truss combined roof truss comprises a beam string assembly andcantilever truss assemblies assembled on the two sides of the beam string assembly, wherein the beam string assembly comprises two beam string main beams of an arc-shaped structure; a plurality of beam string main beam supporting rods are transversely assembled between the two beam string main beams; the left ends and the right ends of the two beam string main beams are each provided with two supporting connecting frames capable of being connected to the same plane; and the two sides of the two supporting connecting frames are fixedly arranged on the cantilever truss assemblies correspondingly. The beam string and cantilever truss combined roof truss is simple in structure and ingenious in design, the combined roof truss between the beam string assembly and the cantilever truss assembliesis a novel design for a building roof, and a roof area over the column is increased; and meanwhile, the beam string and the cantilever trusses mutually borrow force with a support as a fulcrum, materials are saved, the development requirement of modern buildings is met, and the beam string and cantilever truss combined roof truss is a novel roof truss combined system.

The invention relates to a six-degree-of-freedom wave compensation marine ultra-long mechanical arm. The six-degree-of-freedom wave compensation marine ultra-long mechanical arm comprises a compensable lifting platform, a parallel compensation mechanical arm and a series mechanical arm, wherein the compensable lifting platform comprises a parallel mechanism and a rotating mechanism, the parallel mechanism realizes movement of the device along the Z axis and rotation around the X, Y axis and has a compensation function, and the rotating mechanism realizes rotation of the device around the Z axis; the parallel compensation mechanical arm comprises a first section of mechanical arm, two mechanical arm linear driving branches and an upper platform, and the parallel compensation mechanical armand the compensable lifting platform jointly realize the six-degree-of-freedom wave compensation function of the whole device; and the series mechanical arm comprises four sections of mechanical armswith the same structure and a tail end execution device, the second section of mechanical arm is connected with the first section of mechanical arm through a connecting rod mechanism, and the other three sections of mechanical arms are sequentially connected with the tail end execution device by adopting the same structure. The six-degree-of-freedom wave compensation marine ultra-long mechanical arm is large in working space and good in stability, and can compensate the influence of environmental factors such as waves on the mechanical arm.

The compressor (1) has a closed housing (2) in which a compressor unit (3) is provided. The compressor unit has a compressor block (4) and an electric motor (5) which comprises a rotor (7) that is rotatable about a rotation axis. Two safety elements (17,18) are symmetrically arranged for restricting rotational vibrations between the housing and the compressor unit. The security elements are spaced apart from the axis of rotation of rotor.

The invention discloses an emergency plan matching method and system for traffic emergencies, a terminal and a medium, and relates to the technical field of intelligent traffic, and the key points of the technical scheme are as follows: obtaining traffic flow information from a database according to road distribution information and event time information; acquiring processing duration information by calculation, acquiring the influence radiation range of the traffic event by screening, and acquiring influence radiation membership values by calculation; calculating to obtain a traffic jam membership value; calculating to obtain an accident probability membership value; acquiring a membership weight coefficient by matching in the database, and acquiring a comprehensive membership value by calculation in combination with the influence radiation membership value, the traffic jam membership value and the accident probability membership value. The travel time influence of traffic emergencies on traffic flow in a radiation range, the traffic road congestion condition and the secondary traffic accident occurrence probability are comprehensively considered, a reasonable emergency plan is matched through the comprehensive membership degree, and the influence on all aspects after the traffic emergencies occur is balanced.

The invention provides a wall-passing type fire damper mounting structure. The wall-passing type fire damper mounting structure comprises fixing screws, connecting frames, sliding rods, movable seats, sliding blocks, springs, rolling grooves, rolling wheels and steel sleeves, wherein the connecting frames are assembled on the left side and the right side of a fire damper body, the fixing screws are assembled in the connecting frames, the steel sleeves are assembled on the annular side faces of the fixing screws, the movable seats are mounted on the inner sides of the connecting frames, the sliding rods are assembled on the left sides and the right sides of the movable seats, the springs are assembled on the inner sides of the sliding rods, the sliding blocks are assembled in the middles of the sliding rods, the rolling wheels are assembled on the left sides of the sliding blocks, and the rolling grooves are formed in the connecting frames. The problem that an original fireproof valve does not have the flexible buffering effect is solved through the wall-passing type fire damper, and the fire damper is reasonable in structure and facilitates effective buffering and airflow influence balancing.