30results about How to "Effective savings" patented technology

A radio resource allocation method includes: a step in which a radio base station (10) fixedly allocates a radio resource used when transmitting downlink data to a mobile station by persistent scheduling; and a step B in which the radio base station (10) modifies the radio resource to be allocated to the mobile station by dynamic scheduling during a period while the persistence scheduling is applied.

The invention discloses an anti-spattering bow fin of a high-speed ship. The anti-spattering bow fin is arranged at the two sides above the water line of the bow of the high-speed ship; the longitudinal view of the anti-spattering bow fin is a streamline structure with closed wings; an inclined angle Alpha is formed by the closed wing closing the bow and the water line plane and the closed wing deviating the bow is parallel to the water line plane. The horizontal view of the anti-spattering bow fin is a streamline closed wing with a main wing bent downward into a side wing; the main wing closing the bow and the side wing form a water inlet; the horizontal width of the anti-spattering bow fin is reduced progressively from the bow to the direction of the stern; the tail end of the side wingis hooked internally to the ship side; and the main wing deviating the bow and the tail end of the side wing form a water spray outlet. The anti-spattering bow fin has low cost and convenient manufacture, can uplift the body of the high-speed ship when in sailing, improves the sailing posture of the ship, reduces soaking area of the ship body, and further reduces the total resistance of the ship body. The anti-spattering bow fin fully utilizes the energy of spattering flow, plays the role of assisting propulsion to the high-speed craft and achieves the purpose of saving energy of the high-speed craft.

The invention relates to a concrete vibrating rod. The concrete vibrating rod comprises a shell (1), the interior of the shell is divided into an upper chamber and a lower chamber through a bearing pedestal (4), the upper chamber is provided with a variable frequency controller (2) and an alternating current motor (3), an eccentric shaft (5) is connected with an output shaft of the alternating current motor, the lower chamber is sequentially provided with a silencing cover (6) and a bushing (8), and a sound sensor (10) connected with the variable frequency controller is arranged outside the shell. A connection portion arranged on the outer surface of the shell fixes a heating phase-change cover (14) to the outer surface of the shell. The heating phase-change cover is a sealed cavity filled with phase-change materials (19), an electric heating device (20) is arranged on the inner side of the outer wall (15) of the heating phase-change cover, a reflecting film (21) and a heat insulation layer (22) are sequentially arranged on the inner side of the inner wall (16) of the heating phase-change cover, and the outer surface of the outer wall of the heating phase-change cover is provided with a temperature sensor connected with a temperature control device of the electric heating device. The concrete vibrating rod is used for concrete pouring, can achieve vibration and heating of concrete, effectively saves energy, and reduces noise.

The embodiment of the invention discloses a mixed ecological zone system and a construction method thereof. The ecological zone system comprises an underground protection system, a surface water accumulation system and a vegetation recovery system. A coastal beach is divided into a saline water area ecological zone, a saline-fresh mixed area ecological zone and a fresh water area ecological zone.The underground protection system is arranged under the ground of the saline-fresh mixed area ecological zone, and is used for regulating and controlling the mutual exchange of underground water of the saline water area ecological zone and underground water of the fresh water area ecological zone. The surface water accumulation system is positioned in the fresh water area ecological zone. The vegetation recovery system comprises a saline water area ecological zone recovery system, a saline-fresh mixed zone ecological zone recovery system, and a fresh water area ecological zone recovery system.According to the mixed ecological zone disclosed by the embodiment of the invention, the saline-fresh mixed area ecological zone suitable for local is constructed, so that fresh water resources are effectively accumulated, protection, management and control of coastal beach areas are realized, salt return of soil is prevented, and the deterioration degree of plant diversity is effectively inhibited.

The invention relates to a dust collecting device for a dust collector which can increase absorbing property, wherein air and dust which are absorbed from an inlet (12) are guided to a dust collecting chamber (29) through a guiding way (41), a cylindrical flow circuit component (55) is arranged on a linear portion (52) of a guiding tube (41), axial cord is led to extent along the direction of the linear portion (52), a plurality of air vents (47) are formed on the flow circuit component (55), and each air vent (47) is formed through covering by a granular membrane (50). When some extent dust exist in the dust collecting chamber (29), air which flows in an ingress pipe (43) is flowed out of the external (circumambulating flow circuit (31) lateral) through the air vent (47), and is guided to an outlet through circumambulating the dust collecting chamber.

The invention discloses a rainwater self-recovery and utilization type multi-storey building structure, which comprises a building body and a glass curtain wall on the building body and a residential wall body. The top of the building body is provided with a top-floor greening device and a rain storage mechanism. A plurality of planting racks and a plurality of protective pipes are fixedly installed on the wall, and each of the protective pipes is connected to the corresponding planting rack through a plurality of supplementary irrigation pipes, and a confluence pipe is fixed in each of the protective pipes. A secondary utilization mechanism is provided between the glass curtain wall and the residential wall. The invention has a reasonable structure, and through the top-floor greening device, the rain storage mechanism and the secondary utilization mechanism, the rainwater can be fully utilized, and the rainwater can be stagnated and stored. In rainy weather, the pressure of the ground drainage system can be effectively reduced, and the urban defense system can be enhanced. It also increases the green area of ​​the city and makes the environment more livable.

The invention discloses a novel sea wave piezoelectric electricity generation device which comprises a floating body and a piezoelectric electricity generator. A supporting bottom plate is installed on the outer side of a supporting floating body, a supporting floating body bottom plate is installed on the inner side of the supporting floating body, four guide pillars are installed above the supporting floating body, the piezoelectric electricity generator is installed among the four guide pillars, a top plate is arranged at the top ends of the four guide pillars, and a bearing supporting plate is arranged on the lower portion of the four guide pillars. The piezoelectric electricity generator comprises a surrounding wall arranged among the four guide pillars, piezoelectric vibrators are arranged on the surrounding wall, a transmission shaft is provided with piezoelectric vibrators corresponding to the piezoelectric vibrators on the surrounding wall, permanent magnets are attached to the outer sides of the piezoelectric vibrators, the transmission shaft is connected with a wave energy collecting floating body, a brake device is arranged on a transmission bearing, and an energy storage spring is installed between the bearing supporting plate and the supporting floating body bottom plate. The novel sea wave piezoelectric electricity generation device can effectively prevent the problem of damage to the piezoelectric vibrators of the piezoelectric electricity generation device, and the wave energy utilization rate is increased through the rotary transmission shaft.

The invention discloses a turning / milling insert for processing high-hardness steel special-shaped parts, which comprises a roughly regular heptagonal insert body; the insert body has an upper surface, a lower surface and side surfaces; the geometric center of the insert body is provided with a The fastening screw holes on the upper and lower surfaces; the intersection line between the upper surface and the side of the blade body constitutes the cutting portion of the blade, and the cutting portion includes a knife point at the vertex of a regular heptagon and a side of the regular heptagon The cutting edge is concave inward in an arc shape so that the cutting edge forms a fishtail-shaped cutting edge; the upper surface of the blade body extends inwardly along the fishtail-shaped cutting edge to form a fishtail-shaped rake face. The structure of the present invention can solve the problems of one-time post-fire profiling processing of special-shaped surfaces, the high hardness of the workpiece requires tool wear resistance, chipping resistance, high structural precision and good hard cutting performance, and solves the problem that the current tool cannot meet the requirements. Technical difficulties of comprehensive processing requirements under extreme conditions.