31results about How to "Consume kinetic energy" patented technology

The invention relates to a protection tool used for an electrical protection transmission line, in particular to a device for preventing the transmission line from waving by using eddy-current heating. The device comprises a sleeve, a pressing plate, a creepage extender, a coil, a pull rod and a permanent magnet, wherein the sleeve is fixedly connected with a lug I; the pressing plate is arranged at one end of the sleeve; the creepage extender is arranged around the sleeve; the coil is arranged on the inner wall of the sleeve; the pull rod is sleeved in the sleeve and is fixedly connected with the lug I; and the permanent magnet is fixedly connected with the pull rod. The coil cuts magnetic lines of force in the permanent magnet to generate eddy-current therein so as to generate heat; and the generated eddy-current hinders the relative movement of the lines connected with the device so as to consume the kinetic energy of the lines.

The invention discloses a high-content hybrid fiber concrete bulletproof and explosionproof brick. The brick is prepared from, by mass, 14.21% of steel fibers, 0.04% of polypropylene fiber, 19.00%-19.80% of cement, 5.40%-5.80% of water, 17.00%-18.00% of sand, 37.50%-38.50% of crushed stone, 2.60%-3.00% of silica fume, 2.00% of fly ash and 0.45% of efficient water reducing agent. The high-content hybrid fiber concrete bulletproof and explosionproof brick has the advantages that the brick body has excellent dynamic and static mechanical properties of compression resistance, tensile resistance, bending resistance, shock resisting penetration, shock resisting toughness and the like, and the purpose of resisting bullets and preventing an explosion are achieved.

The invention provides a central buried olive-shaped interception nozzle rod comprising a tow mandrel (1) and forming paper (2), wherein the forming paper (2) is coated on an outer layer of the tow mandrel (1), high-absorption materials (such as active carbon and nano-adsorption materials) are buried in the center of the tow mandrel along an axial direction to prepare a solid or hollow olive-shaped adsorption core (3), and the surface of the adsorption core is provided with adsorption micro pores (4). Because the adsorption core has high adsorption performance for smoke gas, a large amount of smoke gas is adsorbed, and aerosol grains are enlarged to increase deposition efficiency, therefore, grains in the smock gas are greatly intercepted by repeatedly passing through a plurality of adsorption cores.

The invention relates to an overwater boat collision protecting device used for overwater facilities such as bridges, wharfs, boats, courses and platforms. An anti-collision framework 2 is arranged on the periphery or the edge of the overwater facilities such as bridge pier bearing tables, anti-collision pier bearing tables, wharfs, boats, courses and platforms, and the outer edge of the anti-collision framework 2 is provided with rolling wheel devices 3 or linked rolling wheel devices with mechanical transmission elements 4, wherein the head part 21 of the anti-collision framework is in a streamline shape, and the inner side of the anti-collision framework is provided with a buffer. Compared with the prior art, the overwater boat collision protecting device has the advantages that when a boat collides with the overwater boat collision protecting device, the collided rolling wheel device rotates, the rolling wheel devices are linked, partial kinetic energy of the boat is absorbed, the inclined side surface of a boat head or the side surface of the boat is tangent with the wheel surface of the rolling wheel devices, the tangent counter-acting force pushes the boat to move towards, the navigation direction of the boat is corrected, the side surface of the boat runs along the rolling wheel devices in a rolling way, and most kinetic energy is taken away, so a collided object is protected, and a accident causing boat is also protected.

The invention relates to the field of bridge construction, and particularly discloses a hydraulic bridge pier protection device. The hydraulic bridge pier protection device comprises a bridge pier with the lower end immersed in the water surface, the bridge pier is sleeved with an annular bearing table, symmetrical first transverse grooves are formed in the two side walls of the bearing table, thefirst transverse grooves are horizontally formed, pressurizing rods are slidably connected into the first transverse grooves, protective plates are fixed at the end parts of the pressurizing rods, hydraulic cavities are formed under the first transverse grooves correspondingly and communicate with the corresponding first transverse grooves correspondingly, second transverse grooves parallel to the first transverse grooves are formed in the two side walls of the bearing table correspondingly and located under the first transverse grooves, L-shaped water outlet pipes are arranged in the secondtransverse grooves, the vertical ends of the water outlet pipes communicate with the hydraulic cavities, the water outlet pipes and the first transverse grooves are immersed under the water surface, circular pressurizing plates are fixed to the ends of the water outlet pipes, and water spraying holes are formed in the circle centers of the pressurizing plates. The hydraulic bridge pier protectiondevice solves the problem that when a ship impacts a pier, kinetic energy of the ship is too large, and consequently the pier is greatly damaged.

The invention relates to an annular break blocking filter rod. The annular break blocking filter rod consists of a bundle mandrel (5) and forming paper (4) enwrapping the outer layer of the bundle mandrel and is characterized in that: a layer of lining paper (1) enwrapping the bundle mandrel is arranged between the bundle mandrel and the forming paper; 1 to 10 break rings surrounding the bundle mandrel are arranged on the lining paper (1); each break ring consists of at least one transverse groove (2) peripherally formed along the bundle mandrel; and a group of drainage pores (3) are formed on the two side surfaces of each transverse groove respectively. The annular break blocking filter rod has the advantages that: the groove extrudes the bundle toward the axis so as to increase the density of the bundle and improve the longitudinal blocking efficiency to a certain extent; and part of smoke S enters the groove from the drainage pores and is subjected to transverse blocking twice in the groove area and condensed so as to further block the smoke completely and comprehensively and improve the blocking efficiency of the fiber type filter rod greatly.

The invention provides an externally buried tubular column surrounding type intercepting filter rod, which consists of a tow core rod (1) and wrap paper (4) coated on the outer layer. The outer circumference of the tow core rod is provided with vertically distributed pipe cores (2); the wrap paper (4) coats the pipe cores (2) onto the tow core rod (1); and the pipe cores (2) are provided with small guide holes (3). The externally buried tubular column surrounding type intercepting filter rod has the advantages that: the pipe cores vertically buried into the tow of the filter rod extrude local tow to make the density increase and force partial smoke diffuse to the pipe cores through the small holes on the pipe cores; when the smoke flows through the small holes, the smoke can be amplified by the small holes to be diffused in a fan shape, and the flow rate is reduced or the smoke is condensed; and the pipe cores are similar to 'cold wells', the flow rate of the smoke flowing through the pipe cores is reduced due to small pressure, partial smoke is condensed and deposited in the pipe cores, and the rest smoke flows into the tow through the small holes when flowing to the tails of the pipe cores.

The invention discloses a double buffering protection method for the shaft wall of a mine chute, specifically: determining the range where the ore collides with the shaft wall for the first time; performing side expansion excavation on the collision position of the shaft wall to form a step; Anchor rods are pre-embedded on the surface and slope, and the ends of the anchor rods are threaded; hard polyurethane foam boards and manganese steel plates with grids are respectively installed on the platform and slope surfaces of the steps, as a flexible buffer layer and wear-resistant layer, ensuring There are anchor rods in each grid; rigid polyurethane foam panels and manganese steel plates with grids are fixed and prestressed with nuts. The invention can solve the problems of wear and collapse of the shaft wall of the chute, and has the advantages of simple structure, convenient construction and no need for follow-up maintenance.

An explosion-venting method for an aerosol fire suppression apparatus, comprising the following steps: 1) when the aerosol fire suppression apparatus explodes, an explosion-venting device matching the aerosol fire suppression apparatus generating a limited displacement along a direction that a hot air stream of the aerosol fire suppression apparatus is jetting towards; 2) when an extremity of the explosion-venting device reaches an edge of the aerosol fire suppression apparatus, being limited, the explosion-venting apparatus stops the displacement along the direction that the hot air stream of the aerosol fire suppression apparatus is jetting towards, thus achieving for the aerosol fire suppression apparatus the effects of explosion-venting and reduced recoil force.

The invention relates to an anti-scouring energy dissipation wall. The anti-scouring energy dissipation wall comprises a flow blocking wall arranged in a foundation, a plurality of energy dissipationholes are formed in the flow blocking wall, energy dissipation grooves are formed in the ends, close to water outlets, of the energy dissipation holes along the circumferences of the inner walls of the energy dissipation holes, energy dissipation assemblies are arranged in the energy dissipation holes and the energy dissipation grooves and comprise flow dividing pipes and energy dissipation pipes,one ends of the flow dividing pipes are located in the energy dissipation holes, the other ends of the flow dividing pipes are located in the energy dissipation grooves, the ends, close to the energydissipation grooves, of the flow dividing pipes protrude to form energy dissipation shoulders, rotary rolling areas are formed on the sides, away from the energy dissipation grooves, of the energy dissipation shoulders, first supporting rods are fixedly connected between the flow dividing pipes and the energy dissipation holes, the energy dissipation pipes comprise inner straight pipes, flow dividing pipes and outer straight pipes which are connected end to end in sequence, the inner straight pipes are located below the rotary rolling areas, the drainage pipes are located below the tail of the energy dissipation shoulders, the diameter of the ends, close to the inner straight pipes, of the drainage pipes is larger than that of the other ends, and second supporting rods are fixedly connected between the flow dividing pipes and the energy dissipation pipes. According to the anti-scouring energy dissipation wall of the hydraulic engineering overflow dam, water flow kinetic energy can beeliminated quickly, and scouring to a building is reduced.

The invention provides a silencer for an exhaust system of a gasoline engine. A silencing assembly of the silencer comprises a one-hole tray, a two-hole tray, a three-hole tray, a connecting pipe, a first-stage porous pipe, a first-stage silencing pipe, a second-stage silencing pipe and a guide pipe, wherein the one-hole tray, the two-hole tray and the three-hole tray divide a silencer cylinder into a first cavity, a second cavity and a third cavity; the first-stage silencing pipe is arranged in the two-hole tray in a penetration manner, one end of the first-stage silencing pipe is opened and is arranged in the first cavity to be opposite to an exhaust end of the first-stage porous pipe, and the other end of the first-stage silencing pipe is arranged in the second cavity and is provided with a blanking cap II to form a blind end; the second-stage silencing pipe is arranged on the two-hole tray and the three-hole tray in a penetration manner to communicate the first cavity and the second cavity; and the guide pipe and a tail pipe are both arranged on the three-hole tray, one ends of the guide pipe and the tail pipe are opened and are both arranged in the second cavity, the other end of the guide pipe is arranged in the third cavity, and the other end of the tail pipe is an exhaust end which is arranged outside the silencer cylinder. The silencer disclosed by the invention can be used for depleting kinetic energy and damping vibration of airflow stage by stage so as to effectively reduce the noise during exhaust.

The invention discloses a spray room sludge separator. The spray room sludge separator comprises a machine base, a machine shell, a rotating drum and a driving device, wherein the machine shell is provided with a machine cover, and the machine cover is connected with a feeding pipe. The rotating drum is driven by the driving device, and the driving device is mounted on the machine base. A chargingbarrel is mounted in the rotating drum, and a liquid blocking plate is detachably mounted on the charging barrel. The liquid blocking plate is provided with at least one synchronous baffle, and the synchronous baffles are provided with signal generators capable of detecting the full accumulation of sludge in the charging barrel. By arranging a plurality of synchronous baffles on the liquid blocking plate, the synchronous baffles divide the charging barrel into a plurality of regions, so that when the charging barrel rotates at a high speed, solids and liquid inside the charging barrel are easier to rotate synchronously in the regions, and generation of water waves and violent vibration of the rotating drum are avoided. The signal generators can feed back the information after sludge in the charging barrel is collected to prompt workers to clean up.

The invention belongs to the technical field of guardrails, and discloses a highway guardrail for roads. The highway guardrail is mainlycharacterized in that the highway guardrail comprises bottom plates with fixing holes located on two sides, slant support platesare arranged on the inner sides of the two bottom plates, and support side plates are arranged above the two slant support plates;the two support side plates are spaced apart by a certain distance in the horizontal direction, support pipes are fixed above the two support side plates, connecting pipes arearranged at one ends of the support pipes, and end parts of the connecting pipesare inserted into the support pipes; and adapting pipes fixed to the slant support platesarearranged below one ends of the two supportside plates, andplugging pipes fixed to the slant support platesarearranged below the other ends of the two support side plates. When a vehicle collides, the bunt parts of the support side plates are deformed in an inwardly sunken mode, at the same time the slant support plates are also deformed downwards under the pressure of wheels, vehicle kinetic energy is greatly consumed, the damage degree of the vehicle isreduced, and a driver and passengers on the vehicle is prevented from being injured by damage and deformation of the vehicle.

The invention provides a 'ratchet swinging magnetic engine' and belongs to the field of engines. The engine adopts a permanent magnet to replace fuel and energy for doing work so as to protect environment. The application proposal comprises: two U-shaped kicker magnets form a magnetic holder (a fixed magnet); the magnetic holder attracts two magnetic swing hammers which are arranged in a swing hammer frame and made of two U-shaped kicker magnets through opposite poles to complete the power doing process; the magnetic swing hammers (a movable magnet) are connected with a ratchet by arc-shaped connecting rods and are driven by gears arranged on a ratchet shaft, a flywheel shaft and a cam shaft; the cam wheel drives a switch swinging arm to drive magnetically shielding switches to prevent the magnetic force between the fixed magnet and the movable magnet; two groups of cushioning and counteracting springs, extension springs and limiting springs, which are arranged under a swinging hammer, complete a reset stroke. The fixed magnet and the movable magnet operate in an alternating way under the control of the switching levers of two specially-made magnetic shielding switches to allow the two magnetic swing hammers to swing circularly and repeatedly so as to complete the power doing and reset stroke. Power output is realized through the constant torque output of a flywheel.