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.

The invention provides a novel pipe joint, which has necessary and sufficient functions as a pipe joint such as for a water supply steel pipe, and simultaneously improves an application property. The pipe joint (1) provided by the invention comprises: straps (5, 5) which are welded on a part of the external circumferential surface of each connection end (4, 4) of two connected pipes (3, 3) and are used for fixing flanges; and a pair of plate-shaped flanges (6, 6) which extend along a direction parallel to a pipe shaft, and are formed at external sides of the straps (5, 5) for fixing the flanges at two positions opposite to the radial directions of the pipes, wherein connection holes (7, 7) for inserting fasteners are arranged on each flange, and the straps (5, 5) for fixing the flanges enable the pipe shafts to only extrude a specified distance to the external parts away from the end edges.

The invention discloses a grinding working table for casting molds. The grinding working table comprises a bracket; the front side of the upper end of the bracket is hinged to one end of the grindingtable through a hinge, the right side wall of the other end of the grinding table is fixedly connected with a limiting column in an inserted mode, a support plate is formed on the bracket, and an arc-shaped limiting groove is formed on the side wall of the support plate; the limiting column is connected with the limiting groove in an inserted mode, a pair of limiting holes is formed in the limiting column, an upper installation groove and a lower installation groove are formed on the side wall of the support plate of the upper and lower sides of the limiting groove, and the upper installationgroove and the lower installation groove are connected with upper ball plungers and lower ball plungers in a threaded mode; and moving grooves are formed in the upper and lower sides of the upper endsurface of the grinding table, L-shaped clamping plates are connected with the interiors of the moving grooves in an inserted mode, second bolts are connected to the upper ends of the clamping platesin a threaded mode, pressing plates are fixedly connected to the lower ends of the second bolts, multiple pairs of shrinkage pools are formed on the opposite inner walls of the moving grooves, and thelower ends of the clamping plates are connected to a pair of positioning ball plungers in a threaded mode. The height of the grinding table can be adjusted, the grinding time is saved, and the grinding working table is suitable for grinding molds with different types.

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 a 'city psoriasis' automatic clearing device which comprises a heater, a vacuum sucker, a high-pressure water spray head, a bracket, a lower seat tank and an upper support. A hydraulic cylinder is arranged in the middle of the lower seat tank in an embedded mode, and a water storage tank is arranged at the edge of the lower seat tank. The bracket is fixedly connected to thetop end of a hydraulic rod of the hydraulic cylinder, and the upper support is arranged at the top end of the bracket. A garbage can matched with the lower seat tank is arranged at the bottom of theleft side end of the upper support, and the heater, the vacuum sucker and the high-pressure water spray head are sequentially arranged at the right side end of the upper support from top to bottom. Astorage battery, a second inverter, a first inverter and a water pump are arranged on the left side in the upper support, and the high-pressure water spray head is connected with the water storage tank in a through mode through a water pipe. A plurality of adjusting screws are evenly arranged at the bottom end of the lower seat tank, and the other ends of the adjusting screws are provided with universal wheels. The 'city psoriasis' automatic clearing device is mobile and flexible in moving and suitable for 'city psoriasis' clearing work on the surfaces of plazas and various public places, walls, telegraph poles, columns and the like, operating is easy and can be conducted easily by one person, and the efficiency is high.

The invention discloses a house-type fish trapping fishing gear comprising a fishing net and a support frame; the support frame supports the fishing net so as to form a tower type fishing net with an openable bottom; the tower type fishing net comprises a vertical portion and an expansion portion; one end of the vertical portion is closed, and the other end is connected with the expansion portion; one end of the expansion portion is connected with the vertical portion, and the cross section of the other end gradually enlarges and is closed by the bottom net; the side wall of the expansion portion is provided with a diameter variable fishing cage port connected with the inner side of the expansion portion; a trapping net bag is arranged in the expansion portion; the bottom net is provided with a fish collecting port; one end of a fish connecting bag is connected with the fish connecting port, and the other end of the fish collecting bag is an opening, and the opening is provided with a switch used for opening and closing the opening; the tower type fishing net is suspended in a fishing water area through a hoist support device; the top of the vertical portion is higher than the water surface. The house-type fish trapping fishing gear can work in any shore of proper water areas, and needs no man duty; when the net cage is pulled from the water, fish can automatically enter the fish collecting bag; the captured fish needs no direct touching, thus greatly improving captured fish shrimp freshness, and improving economy value.

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 large-ridge double-row standardized sweet potato cultivation method. According to the method, large ridges are adopted, the large-ridge double-row ridge spacing is 90 cm, and the large-ridge double-row top ridge width is 40 cm. The large-ridge double-row standardized sweet potato cultivation method comprises the following steps: S1, executing ridging according to the large-ridge double-row ridge spacing of 90 cm; S2, installing a drip irrigation facility after ridging; S3, carrying out double-row staggered potato seedling field planting at the positions, 10 cm away from the edges, of the tops of the ridges; S4, executing watering by utilizing the drip irrigation facility, wherein watering is carried out to make the roots of potato seedlings drenched. The inconvenient field operation problems of high land utilization coefficient, mechanical ridging, later-stage mechanical vine removing, mechanical harvesting and the like of a conventional cultivation method are solved.

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.

The invention belongs to the technical field of diving equipment and underwater sports goods, and particularly relates to underwater breathing equipment. A steel cylinder is not needed, harmful and expensive superoxide is not used, and most of air circulates in the respirator, so that the aims of low use cost and prolonged effective use time are fulfilled. The submersible is safe, light, small in size, long in air supply time and low in use cost, a beginner can learn swimming by using the submersible, and the submersible can be used for snorkeling and is more suitable for shallow sea seabed sightseeing. A professional diver adds a small oxygen bottle with the volume of 5 liters, gas can be supplied for 48 hours, and the diver can be thoroughly liberated from the pressure limited by time and work thoroughly and easily.

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 a crawler shear forklift with detachable supporting legs. The crawler shear forklift comprises a chassis mechanism, a fork frame mechanism, a main operation platform mechanism, a mounting base, a supporting leg base, a pin shaft assembly and a supporting leg body which are sequentially arranged from bottom to top; the mounting base comprises an upper mounting end face and a lower mounting end face; the supporting leg base is mounted on the chassis mechanism through the mounting base and comprises a main base, an upper limiting end and a lower limiting end; the pin shaft assembly comprises a first pin shaft and a second pin shaft; the first pin shaft and the second pin shaft sequentially penetrate through the upper limiting end, the upper mounting end face, the lower mounting end face and the lower limiting end correspondingly; and the supporting leg body is mounted on the main base. According to the crawler shear forklift, the mounting base and the supporting leg base can be rapidly detached through the pin shafts, and the high-altitude operation forklift has the advantages of a vehicle type without the supporting legs and a vehicle type with the supporting legs at the same time and is good in universality and high in adaptability.

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.

Provided is an enclosure installation device (16) of a belt conveyor, comprising an installing hole (14) disposed on an enclosure (11), a main body (17) which is disposed on a rack by a bolt (26), a first panel (28) and a limit component (31). The main body (17) comprises a mounting portion (18) disposed on the rack by the bolt (26), a second panel (19) integrated into one piece with the mounting portion (18), and a protruding portion (21) protruding from the second panel (19). The first panel (28) is embedded in the protruding portion (21). The limit component (31) inserts in a first opening (22) disposed on the protruding portion (21), restricting the first panel (28) to disengage from the protruding portion (21) or pressing the first panel (28) towards the enclosure (11) and the second panel (19). The enclosure of the invention must be hung by a hook portion, and the enclousure can be disposed through simple operation at a poration which cannot be disposed with a hook portion and has complicated appearance.

The invention provides an underwater pipeline operation device. The underwater pipeline operation device comprises a front boat body, a rear boat body and a walking mechanis; the walking mechanism isarranged between the front boat body and the rear boat body; a front hull and a rear hull are arranged on the front boat body and the rear boat body respectively; and a rear propeller is arranged at the rear end of the rear boat body. The floating and sinking of the operation device and the attitude in water are controlled through the front hull and the rear hull; the advancing and retreating of the operation device are controlled through the rear propeller; after reaching the inlet of a tubular object, the operation device is pushed into the pipe body through the rear propeller; and driving wheels are driven to walk along the pipe wall through a waterproof motor of the walking mechanism, thereby effectively controlling the walking distance, and facilitating the operation control. Throughthe adoption of the operation device, workers do not need to submerge underwater and even drill into the pipe to work, and the interior of a small-caliber pipe body can be easily detected or operated,so that the working efficiency is improved, the quality state of the underwater tubular object can be detected and repaired conveniently and periodically, and the underwater tubular object is ensuredto be safe and reliable.

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.

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 provides a cable head connection method for a tap switch. By means of the method, an extraordinary threaded joint method is adopted to replace an existing welding connection method for connection between the starting end of a cable with the tail end connected with a coil tap of a transformer and a fixed contact of the tap switch. The supernormal threaded connection method is characterized in that a common thread connection mode is upgraded to an extraordinary tapered thread connection mode and upgraded to a supernormal modified airtight thread connection mode again. The method has the advantages that the split combination process in the tapered thread connection mode is adopted for cable head connection, operation is easy and smooth, an original welding connection mode is omitted, and the connection combination process is high in operation difficulty and unsmooth in operation; goffered paper and white cloth tape are wound mechanically instead of manually, so that the efficiency is improved by more than 20 times; the process that the starting end of the cable is subjected to chemical silvering is omitted, so no residual acid is left at the starting end of the cable, and zero-pollution to transformer oil is achieved.

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 invention discloses a handheld one-step safflower picker, and relates to the technical field of traditional Chinese medicinal material picking. Comprising two handles which are symmetrically arranged, the middle parts of the two handles are hinged through a pin shaft, and one end of each handle is arc-shaped; the two groups of picking mechanisms are symmetrically arranged at the arc-shaped ends of the two handles, each picking mechanism comprises an arc-shaped collecting barrel arranged at the arc-shaped ends of the handles, and the diameter of one end of the collecting barrel is larger than that of the other end of the collecting barrel; the vertical section of the blade is semicircular, and the blade is embedded in the small-diameter end of the collecting barrel and used for cutting off the joint of the safflower filaments and the flower buds. The carthamus tinctorius picking machine has the advantages that three specific tasks of cutting off, clamping and collecting filaments and not cutting flower buds required by carthamus tinctorius picking are efficiently completed in one operation step in one step. Compared with manual picking, the picking efficiency is obviously improved; compared with machine picking, the device is light in weight, does not need to be carried on the back for use, is not limited by use conditions, is suitable for various people to use, and can also be used by old people with low labor capacity.

The invention relates to a portable rice seeding device. The device comprises a driving steering device, a connecting frame and a seeding mechanism, wherein the driving steering device is movably connected with the connecting frame, and the driving steering device comprises a support, a power wheel and a steering device; the connecting frame is rotationally connected with the support through a horizontal rotating pair, and power wheels are arranged at the bottom of the support; the seeding mechanism comprises a rear transverse frame and walking wheels arranged at the two ends of the rear transverse frame, the rear transverse frame is connected with the connecting frame, the rear transverse frame can rotate around the central axis of the rear transverse frame, and a seeder is arranged on the rear transverse frame. The portable rice seeding device has the advantages of being simple in structure, easy to transport, low in cost, capable of saving labor, easy to operate and good in seedingconsistency, can realize manual and remote control or autonomous navigation and walking seeding, and has the characteristics of being good in seeding precision and high in efficiency.

The invention provides an annular cutting machine. A motor is arranged at one end of the tail part of a rubber case main body, and is connected with a cable wire; the motor is connected with a planetary gear through a sun gear arranged on the motor; the planetary gear is fixed on a planetary gear frame; a planetary gear ring is arranged at the outer side of the planetary gear and the planetary gear frame, and is connected with the motor; the planetary gear frame is connected with a small bevel gear; the small bevel gear is arranged in a machine head main body; a cutter blade is arranged between an upper machine head main body and a lower machine head main body, and is linked by a transmission shaft; the back end of the cutter blade is provided with a guide wheel; an upper / lower small straight gear is arranged on a transmission shaft arranged on / under the upper / lower machine head main body; the upper / lower small straight gear is engaged with the upper / lower large straight gear; the upper / lower large straight gear is fixed with the upper / lower large bevel gear; the upper / lower large bevel gear passes through the upper machine head main body to be linked with a second guide wheel. Compared with a conventional manual operation, the annular cutting machine has the advantages that the operation is easy, and the efficiency is obviously improved; compared with a structure similar to a corner grinding machine, the annular cutting machine has the advantages that the size of the structure is small; the operation is flexible; the cutting depth can be easily controlled.