33results about How to "Homework easy" patented technology

The invention discloses a fishing gear provided with a submarine type fishing net. The fishing gear comprises a fish luring mesh cage, a fish gathering mesh cage, a communication mesh cage and a main rope; one end of the fish luring mesh cage is closed, the other end of the fish luring mesh cage is communicated with the communication mesh cage, multiple variable diameter fishing cage openings which are communicated with the interior of the fish luring mesh cage are formed in the side wall of the fish luring mesh cage at intervals, and bait string bags are arranged in the fish luring mesh cage at intervals; one end of the fish gathering mesh cage is communicated with the communication mesh cage, and the other end of the fish gathering mesh cage is provided with a switch used for controlling the fish gathering mesh cage to be opened and closed; multiple floats are arranged on the top surface of the fish luring mesh cage at intervals, the floats are connected with the fish luring mesh cage through depth adjusting ropes, the main rope penetrates through the top surface of the fish luring mesh cage in the axial direction of the fish luring mesh cage to be communicated with the mesh cage, and puling ropes are arranged at the two ends of the main rope. By means of the fishing gear, operation can be conducted in any water area, the fish luring mesh cage can be suspended on the corresponding undersea habitat layer of corresponding fishes, fish luring efficiency is greatly improved, the fresh and live rate of captured fishes is greatly raised, thereby economic value is also raised, in addition, when the fishing gear is used for fishing, operators do not need to wait, and labor cost is low.

The invention discloses a building wall polishing device. The building wall polishing device consists of a polishing device, a dust sucking device, a support rod, an auxiliary belt and an operation handle; the polishing device consists of a polishing box, an extension cover and a polishing belt; the polishing belt is rotationally connected with the polishing box through a bearing; polishing teeth are arranged on the polishing belt; the extension cover fixedly connected is arranged at an opening end of the polishing box; a dust sucking hole is formed in a receiving box, and is provided with a dust sucking pipe; a connecting plate is arranged at the back end of the polishing box, and is rotationally connected with the support rod; and the support rod consists of an upper support rod, a connecting column and a lower support rod. The support rod can be fixed on a body through cooperation of an insertion port and an insertion head to share the weight of an arm, so that the operation is easier; and the building wall polishing device can realize adjustment of the polishing angle and polishing of a top wall.

A power distribution facility live-line working method is disclosed. The power distribution facility live-line working method of the present invention comprises the steps of: erecting a new electric pole on a line of electric wires formed between existing electric poles; fixing an temporary arm part to the new electric pole; binding an electric wire to an electric wire support part provided on the temporary arm part; positioning the electric wire to be in a higher position than the expected installation height of a pin-pole assembly by moving the temporary arm part or the electric wire support part upward; installing the pin-pole assembly on the new electric pole; moving the temporary arm part or the electric wire support part downward toward the pin-pole assembly; and transferring the electric wire connected to the electric wire support part to the pin-pole assembly.

Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive shaft of the front of the rear propeller to be rotated; and a reverse rotary device having a plurality of bevel gears which are provided on a rear side of the ship, and transmits rotation of the drive shaft after reversing the rotation to the front propeller.

The invention discloses a dustfree wall polisher. The dustfree wall polisher comprises a rubber sticking disc, a plastic hairbrush, a plastic round disc and a handheld main tube. The rubber sticking disc sleeves the plastic hairbrush and is connected with the plastic round disc, the inner ring of the rubber sticking disc is provided with dust sucking holes, the plastic round disc is provided with a shifting wheel, a dust sucking hose is connected between the front end of the handheld main tube and the plastic round disc, a plastic support rack is arranged outside the handheld main tube, and the back surface of the plastic round disc is fixedly provided with a motor through the plastic support rack. According to the dustfree wall polisher, the inner ring of the rubber sticking disc is provided with 10 dust sucking holes, the functions of dust sucking and ceiling sucking can be shifted through the shifting wheel to adjust the size of a dust sucking port, so that 80%-95% polishing dust can be sucked during dust suction, further high dust sucking efficiency can be achieved; during polishing, sand paper on the sticking disc can be in contact with a wall, due to the fact that the rubber sticking disc is provided with certain stickiness, most of air between the rubber sticking disc and the wall is sucked out, and the working surface can be sucked onto the wall, further easy operation can be obtained.

The invention discloses an offline hanging ladder especially used for a suspension-type composite insulator. The offline hanging ladder comprises an insulation rope ladder. One end of the insulation rope ladder is connected to a hanging line aluminum hook which can be buckled to a lead via a shackle and the other end is connected to an adjustment lead screw via the shackle. The other end of the adjustment lead screw is connected to one end of an aluminum alloy cross arm fixed on a line iron tower cross arm head. The other end of the aluminum alloy cross arm is connected to a hook lead screw. The other end of the hook lead screw is provided with a hook which is buckled to a line iron tower material. By using the offline hanging ladder especially used for the suspension-type composite insulator, power transmission line employees can conveniently transfer wires up and down during acceptance check and maintenance work and the composite insulator is not damaged so that safety and work efficiency of work personnel are increased.

The invention discloses a steering mechanism for a gearbox. The steering mechanism comprises a left half shaft (1) and a right half shaft (15), and is characterized by further comprising a differential assembly, wherein half shaft gears at both ends of the differential assembly are connected with the left half shaft (1) and the right half shaft (15) through splines; the steering mechanism further comprises a driven bevel gear (9) sleeving the left half shaft (1) or the right half shaft (15); the driven bevel gear (9) is fixedly connected with the differential assembly; the steering mechanism further comprises a clutch mechanism used for fixedly connecting the driven bevel gear (9) with the left half shaft (1) or the right half shaft (15). The steering mechanism provided by the invention can be used to reduce energy consumption and realize multifunctional tillage.

A welding device for an inflatable structure, characterized in that it comprises: a body part; a connecting part arranged on the above body part; an edge part supply part arranged on the above body part for supplying edge parts; a hot air injection unit arranged on the above The connecting part is used to spray hot air to the edge parts of the upper end and the lower end of the brushed cloth; and the pressurizing part is provided on the above-mentioned body part, and is welded by pressurizing the heated brushed cloth and the edge part, and the above-mentioned edge part supply part A guide member is provided for guiding the edge member in conjunction with the installation support of the main body fixed to the main body so that the edge member sandwiching the brushed cloth inside is supplied to the pressurizing part in a state folded in a V shape.

The invention relates to an auxiliary device for LED lamp assembling. The auxiliary device comprises a base cavity. The left and right sides of the base cavity are provided with a left hydraulic device and a right hydraulic device respectively. The upper portion of the left hydraulic device and the upper portion of the right hydraulic device are connected with a left hydraulic telescopic column and a right telescopic column respectively. The upper portion of the left hydraulic telescopic column and the upper portion of the right hydraulic telescopic column are connected with a left transverse plate and a right transverse plate respectively. The left side and the right side of the lower portion of the base cavity are provided with a lower storage cavity and a tool cavity respectively. The upper portion of the lower storage cavity is provided with a plurality of LED lamps. The upper portion of the base cavity is provided with a supporting cavity. The left side and the right side of the upper portion of the supporting cavity are provided with a step base and an upper storage cavity respectively. The middle of the upper storage cavity is provided with a suspension plate. An exhaust fan is arranged in the middle of the supporting cavity. The upper portion of the exhaust fan is connected with a plurality of dust inlet pipes. The left side of the exhaust fan is connected with a dust outlet pipe. The left side of the dust outlet pipe is provided with a dust collection cavity. The auxiliary device can be effectively used for LED lamp assembling, the assembling height is convenient to adjust, and assembling parts are conveniently processed.

The present invention relates to a ceiling-type air conditioning device comprising: a body having a fan and a heater, formed therein, for heat exchange; and an intake / exhaust member formed at the lower part of the body, wherein the intake / exhaust member comprises a flat board portion, and a protruding portion protruding from the center of the board portion, and the protruding portion includes a grill part formed on a center flat surface thereof, and discharge parts formed as inclined lateral sides of a polygon shape having six or more sides with respect to the grill part.

The invention relates to an auxiliary device for LED lamp assembling. The auxiliary device comprises a base cavity. The left and right sides of the base cavity are provided with a left hydraulic device and a right hydraulic device respectively. The upper portion of the left hydraulic device and the upper portion of the right hydraulic device are connected with a left hydraulic telescopic column and a right telescopic column respectively. The upper portion of the left hydraulic telescopic column and the upper portion of the right hydraulic telescopic column are connected with a left transverse plate and a right transverse plate respectively. The left side and the right side of the lower portion of the base cavity are provided with a lower storage cavity and a tool cavity respectively. The upper portion of the lower storage cavity is provided with a plurality of LED lamps. The upper portion of the base cavity is provided with a supporting cavity. The left side and the right side of the upper portion of the supporting cavity are provided with a step base and an upper storage cavity respectively. The middle of the upper storage cavity is provided with a suspension plate. An exhaust fan is arranged in the middle of the supporting cavity. The upper portion of the exhaust fan is connected with a plurality of dust inlet pipes. The left side of the exhaust fan is connected with a dust outlet pipe. The left side of the dust outlet pipe is provided with a dust collection cavity. The auxiliary device can be effectively used for LED lamp assembling, the assembling height is convenient to adjust, and assembling parts are conveniently processed.

A photovoltaic power generation solar cell subassembly section bar frame comprises a frame comprising a plastic transverse rod and a plastic longitudinal rod. The frame is characterized in that the plastic transverse rod and the plastic longitudinal rod are welded with each other to form the section bar frame; the number of the plastic transverse rods are more than three to form more than two cell subassembly frames; the cell subassembly is arranged in each cell subassembly frame; a transverse flow guide slot is made in the plastic transverse rod; a longitudinal flow guide slot is made in the plastic longitudinal rod; the transverse flow guide slot and the longitudinal flow guide slot are communicated with each other; and the flow guide slot is at least provided with a water outlet. The scheme is simple in structure, easy in manufacture, low in production cost, convenient and firm in installation of the cell subassembly, reduces the labor intensity on the roof and has obvious positive effect.

The invention relates to a nail bolt. The nail bolt is divided into two parts along the length direction with one part as a long stud and the other part as a threaded stud. The tail end of the long stud is provided with a tip part. The nail bolt is characterized in that the tip part of the long stud is uniformly distributed with retaining pitch threads on which a buffer gasket is arranged. The end part of the screw stud is provided with a dovetail stud head. The end part of the threaded stud is further provided with an ammunition piece seat having a dovetail groove. The dovetail groove matches the dovetail stud head in size. The back end of the ammunition piece seat is provided with an ammunition loading groove. Nitrocotton ammunition pieces are pressed into the ammunition loading groove. The surfaces of the bitrocotton ammunition pieces are coated with glue films used for sealing. The nail bolt has following advantages: the nail bolt is complete in function, convenient in operation, simplified in program, easy in operation and enhanced in efficiency; labor and machinery are saved; electricity is saved and environmental protection is achieved; safety and sanitation are obtained; cost is lowered; and benefits are improved.

A power distribution facility live-line working method of the present invention comprises the steps of: fixing an temporary arm part to an electric pole; transferring an electric wire connected to the electric pole to an electric wire support part provided on the temporary arm part; by moving the temporary arm part or the electric wire support part upward, separating the electric wire from an existing LP insulator pre-installed on a pin crossarm; moving, in a separating direction from the electric pole, at least one of a plurality of electric wire support parts having electric wires transferred thereto; removing the existing LP insulator installed on the pin crossarm; installing a new LP insulator on the pin crossarm; by moving, in the direction of the electric pole, the at least one of the plurality of electric wire support parts moved in a separating direction from the electric pole, bringing the at least one of the plurality of electric wire support parts close to the new LP insulator; and transferring the electric wire from the electric wire support part to the new LP insulator.

The invention discloses a groove testing rack for underwater inspection of a diversion tunnel door gate groove of a hydropower station and a construction method. The groove testing rack includes a side column, a girder and a carling, wherein the girder includes a girder web and a girder flange; the side column includes a side column web and a side column flange; the carling includes a carling web and a carling flange; a sliding block is connected to the side column, a rib plate is arranged on the side column, and a side sliding block is connected to the rib plate; a lifting lug is connected to the girder, and a lifting shaft is connected to the lifting lug. The construction method for using the groove testing rack to perform underwater inspection comprises the following steps of: a, construction preparation; b, design of the groove testing rack; c, stress strain analysis of the groove testing rack; d, arrangement of a lifting system; e, installation of the groove testing rack; f, test running of the groove testing rack; g, inspection of the gate groove; h, inspection of a bottom sill. The construction method directly uses an underwater camera and other inspection devices to inspect the gate groove and the bottom sill by underwater shooting, so that the inspection on the diversion tunnel door gate groove and the bottom sill can be completed without raising the water level.

The present invention provides a novel pipe joint which has the necessary and sufficient functions as a pipe joint for water supply steel pipes and the like and improves workability. The pipe joint (1) of the present invention has flange fixing bands (5, 5); and extend in a direction parallel to the pipe axis, and form a pair of plate-shaped flanges ( 6, 6), each flange is provided with connecting holes (7, 7) for inserting fastening parts, and the bands (5, 5) used for fixing the flanges make the axially outer part of the tube only from the end edge of the tube. Highlight the specified distance.