36results about How to "Expand the scope of salvage" patented technology

The invention provides a controllable mechanical floating-arm-type water hyacinth surrounding device. The controllable mechanical floating-arm-type water hyacinth surrounding device comprises a control system, interception net bodies and mechanical arms, wherein the mechanical arms are installed on bases on the two sides of the front portion of a fishing boat in a hinged manner respectively; the mechanical arms penetrate the centers of the corresponding interception net bodies, and each mechanical arm comprises a first-level arm and a second-level arm; one end of each first-level arm is hinged to the corresponding base through a rotational joint, and the other end of the first-level arm is connected with the corresponding second-level arm through a rotational joint; the tail end of each second-level arm is provided with a rotary harrow which can be driven by a motor to deflect towards the inner side, and the rotational joint between each first-level arm and the corresponding second-level arm and the tail end of each second-level arm are each equipped with a two-way motor propeller; and free moving of the interception net bodies in the water and surrounding of water hyacinth are achieved by controlling the output power and the driving direction of the two-way motor propellers through the control system. By means of the controllable mechanical floating-arm-type water hyacinth surrounding device, rapid surrounding of floating water hyacinth groups can be achieved, and the efficiency of removing operation is improved.

The invention relates to a novel offshore salvaging device for salvaging people fell overboard, and aims to provide a salvaging device which can be flexibly operated by an operator on board and be used for easily salvaging people fell overboard through operation of a control box. In the novel offshore salvaging device, a part between supporting arms and brackets can be folded through a first stretching mechanism; a second stretching mechanism is a hydraulic stretching mechanism; and the stretching mechanisms can be lengthened through a hydraulic system, so that a salvage range can be widened. The novel offshore salvaging device provided by the invention is simple and flexible in structure, and can be applied to an offshore salvage process as a novel mechanism. When people fell overboard cannot save by own, wounded personnel in a semicomatose or comatose state can be saved on board through the salvaging device. The salvage process is safe and the salvage speed is fast; and the influence of an offshore salvage condition is less.

The invention discloses a rotary telescopic water hyacinth salvaging machine with a crushing function. The rotary telescopic water hyacinth salvaging machine comprises a salvaging device and a rotarybase; a slide base is hinged to the rotary base; the salvaging device is connected into the slide base; a crushing assembly is rotatably connected to a tail end of the slide base; and the slide base rotates on the rotary base in a gear transmission mode. The rotary telescopic water hyacinth salvaging machine has the advantages that the machine can be assembled on various boats; the machine can bedriven to work by an engine on a boat body, so that a single conveying boat is changed into a salvaging boat; the rotary base which is controlled by a motor and the telescopic salvaging device are arranged, so that the salvaging device is flexible and diversified, the range of salvaging is expanded; a liftable conveying device and a toothed rotary post are arranged in a conveying shell, so that the phenomenon of clogging is prevented during a salvaging and conveying process of water hyacinth; and the crushing assembly is movably connected to the tail end of the slide base, so that the salvagedwater hyacinth is crushed in time, and subsequent work load is reduced.

The present invention discloses a multi-purpose rescuing net, which includes several reciprocally parallel soft lengthways ribs and hard transverse ribs interlaced connected into net. The present invention can realize large area rescue for many people or the salvage of large object.

The invention relates to an environment-friendly treatment system for riverway sludge treatment. The system comprises an L-shaped plate, a feeding device and a sludge cleaning device, wherein the L-shaped plate is mounted on the existing working ground, the feeding device is arranged on the inner side wall of the L-shaped plate, and the sludge cleaning device is arranged on the feeding device. When the sludge cleaning device is used for claw fishing of sludge, water in the claw-fished sludge can be extruded, so that sludge cleaned ashore is prevented from being sludge mixed water, namely the sludge cleaning device achieves the effect of multiple purposes. Meanwhile, the sludge cleaning device is internally provided with a stirring rod for stirring, so that the water flow effect is better when water in the sludge is extruded.

The invention relates to a fisher, in particular to a sewage treatment fisher. The technical problem to be solved by the invention is to provide the sewage treatment fisher which can be used for fishing sundries in a large range of sewage and can also be used for fishing small sundries, so that the sewage treatment is cleaner. According to the technical scheme, the sewage treatment fisher comprises a supporting column and the like; an installation column is arranged below the supporting column, first threaded holes are formed in the left side and the right side of the installation column, first screw rods are arranged in the first threaded holes and penetrate through the supporting column, the installation column is connected with the supporting column through the first screw rods, an adjusting mechanism is arranged at the bottom of the installation column, and first screen frames are arranged on the left side and the right side of the adjusting mechanism. By holding the supporting column, sundries on sewage can be fished through the first net frame, the fishing direction of the first net frame can be adjusted to the required direction through the adjusting mechanism to fish the sundries, a net bag does not need to be used, and the fishing range is larger.

The invention belongs to the technical field of oil field borehole operation fishing tools, and particularly relates to a full-size fishing spear for pipe drops in an oil-water well and a fishing method thereof. The full-size fishing spear comprises a connector, a first level spear rod, a second level spear rod and a third level spear rod; and the connector, the first level spear rod, the second level spear rod and the third level spear rod are sequentially connected from top to bottom. of the three levels of spear rods of different sizes are combined, and the fishing range is Phi 46 mm-65 mm,and is obviously greater than that of Phi of 59 mm-65 mm of a common sliding block fishing spear. The spear rods of the sliding block fishing spears with different diameters are connected together bythreads from small to large, so that the fishing range is greater, and the spear rods are adapted according to the size of the inner diameters of the drops; and compared with the common sliding blockfishing spear, the contact area of a sliding block slip and the oil pipe wall is increased by about one time, so that the pressure on an oil pipe is effectively reduced, and the rupture risk of the wall of the oil pipe to be fished is reduced.

The invention discloses an energy-saving blue algae salvage ship based on comprehensive utilization of ship power. The ship comprises a ship body, a motor, a propeller and a tooth roller; the motor ismounted in the ship body; an output shaft of the motor is connected with a first guide rod through a belt; the first guide rod is connected with a second guide rod through a belt; one end of the second guide rod is connected with a transmission shaft through a bevel gear transmission assembly, a transmission mesh belt is located on the inner side of a mounting frame, a rotating disc is connectedto the edge of the top of the mounting frame through a shaft, one end of an adjusting rod penetrates through a limiting groove to be fixedly provided with a guide ball, and a movable groove is formedin the outer side of a sweeping plate. According to invention, automatic salvaging of blue algae is achieved through inner drive power in the ship; meanwhile, vibration is generated, blue algae thoroughly falls off and is collected, the salvaging area is enlarged through power of water flow when the ship advances, and the salvaging efficiency is improved.

The invention discloses an enclosure cable type overwater garbage salvaging device capable of being automatically retracted and released. The device comprises a garbage salvage ship, and a winch is arranged on the broadside of the main ship body of the garbage salvage ship. One end of an enclosure rope is dragged by a rope dragging device, and the other end is fixed on the winch; a conveying device is arranged at the stern of the garbage salvage ship, a garbage recycling bin is arranged in the ship body of the garbage salvage ship, the enclosure rope drives garbage to move towards the conveying device after garbage enclosure is completed, the garbage is conveyed to the garbage recycling bin, and the rope dragging devices are used in pairs and comprise the first rope dragging device and thesecond rope dragging device. Garbage is encircled through the encircling rope capable of being automatically retracted and released, and efficient salvage operation of the garbage on the water surface is achieved. Garbage is encircled through the encircling rope capable of being automatically retracted and released, and efficient salvage operation of the garbage on the water surface is achieved.

The invention discloses a riverway pollution treatment device and treatment method. The riverway pollution treatment device comprises a bottom frame installed on a riverbed, a vertical plate is fixed to the top of the bottom frame, a top plate is fixed to the top of the vertical plate, a salvage box is vertically and slidably installed on the outer wall of the vertical plate, and an open groove is formed in the outer wall, extending out of the water surface, of the fishing box; a long groove is formed in the top of the salvage box, a gear is rotationally installed on the inner wall of the long groove through a rotating shaft, a toothed plate is fixed to the bottom of a top plate located above the gear, a torsional spring arranged on the rotating shaft in a sleeving mode is installed between the gear and the long groove, and a groove is formed in the outer wall of the gear located in the salvage box. And a filter plate is fixed in the groove, and an arc surface block is fixed to the inner bottom of the salvage box. Through cooperation of the structures, the effect of automatically salvaging, filtering and collecting floating garbage in a river channel is achieved, meanwhile, the oxygenation effect on water in the river channel is achieved, the water quality can be improved, and the oxygen enrichment capacity of the water can be improved.

The invention discloses a blue-green algae enrichment salvaging system. The system comprises a salvaging mechanism and an enrichment mechanism, the salvaging mechanism comprises a salvaging platform,an algae taking box is installed on the bottom face of the salvaging platform through a fixing support, an algae water inlet is formed in the algae taking box, an underflow pump is installed in the algae taking box, a driving motor is arranged on the top face of the algae taking box, and a liquid outlet of the underflow pump is connected to a river bank through an algae discharging pipe; and the enrichment mechanism comprises an enrichment platform, a supporting shaft is installed on the enrichment platform, a flow guide impeller is fixed to the supporting shaft, and an enrichment motor is arranged on the enrichment platform. According to the blue-green algae enrichment salvaging system, the enrichment motor controls the flow guide impeller to rotate so as to drive river surface algae water in the coverage range of the flow guide impeller to flow towards the salvaging platform, the salvaging range of the salvaging platform is greatly enlarged, all surrounding river surface algae waterflows towards the salvaging platform, the algae content of the river surface algae water at the salvaging platform is increased, and the salvaging efficiency is greatly improved.

The invention relates to a fishing method for river fishing. Elastic devices are adsorbed to a river wall on a riverside, part of power is provided by high restoring force of elastomers for fishing bya fishing boat, then draft of the boat body is controlled by a ballast tank located at the front part of the boat bottom to complete fishing, and finally, fished floating objects are stored in a rotatable collection wheel through a chute. The fishing method overcomes the defects of complicated structure, difficult operation and the like of the conventional fishing equipment, the collection efficiency is increased greatly, the loading capacity of the fishing boat is increased by the rotatable collection wheel, and back-and-forth unloading time is reduced.