34results about How to "Reduce direct wear and tear" patented technology

The invention discloses a method for manufacturing an antifouling and antibiosis type yellow croaker net cage, which relates to a method for manufacturing a mariculture net cage. According to the invention, the method for manufacturing the antifouling and antibiosis type yellow croaker net cage adopts a buoyancy force system and a netting system, and is characterized in that the buoyancy force system adopts a combination buoyancy force form of 'an anti-aging high-density polyethylene double-floating-pipe cylindrical frame structure + 18 cube cystosepiments with each edge length of 60cm; the netting system adopts a combination structure netting form of 'a first box longitudinal netting + a second box longitudinal netting + a net cage bottom netting; the net cage bottom netting is assembledon a circular high-density polyethylene pipe support which is wrapped with a layer of polyamide multifilament wrap knitting net; and three cross lacing lines are installed at the bottom of the net cage, a polypropylene rope is tied at the cross point of the cross lacing lines, and two foam float bowls which are externally wrapped by double-layer seawater corrosion protection canva and nylon nets are tied at the other end of the polypropylene rope.

The invention relates to the technical field of waste plastic reprocessing equipment and particularly discloses a broken plastic stirring device. The broken plastic stirring device comprises a material cylinder, a feeding device, a stirring device body, an air uniformizing device and a temperature increasing device. The feeding device comprises a feeding bin, feeding hoppers, a first screw rod, asecond screw rod, a first spiral blade and a second spiral blade, and the spiral direction of the second spiral blade is opposite to the spiral direction of the first spiral blade. The stirring devicebody comprises a stirring motor, a stirring shaft, a spiral stirring blade and a spreading disk, and the spiral stirring blade is of a structure gradually becoming larger from bottom to top on the stirring shaft. The air uniformizing device comprises a main air pipe, annular air uniformizing pipes and gourd-shaped air uniformizing nozzles. The temperature increasing device comprises a shell, twosupporting plates, insulating rings and heating pipes. The broken plastic stirring device has the characteristics that stirring is uniform, the manpower cost and the material resource cost are both low, and dust and moisture are easy to discharge.

The invention discloses a rebar head portion upsetting machine and a use method thereof and belongs to the field of cold headers. An upsetting die and an upsetting device are installed on a machine frame. The rebar head portion upsetting machine comprises guide rods; the guide rods penetrate through the upsetting die and the upsetting device sequentially be arranged on the machine frame from left to right; the upsetting die comprises a clamping die and a die cavity; the die cavity is located in the clamping die; the upsetting device comprises an upset head cap and an upsetting head; the upsetting head is arranged at the left end of the upset head cap; the right end of the upset head cap is arranged on a hydraulic control system. The upsetting machine further comprises a front movable board and a rear movable board, wherein the front movable board is arranged on the right side of the upsetting die; the upsetting head on the upsetting device sequentially penetrates through the rear movable board and the front movable board; the left end of the rear movable board is arranged on the upset head cap; the guide rods penetrate through the front movable board and the rear movable board and the front movable board and the rear movable board are connected through a lead screw; the guide rods are cylindrical; the rear movable board can move on the guide rods left and right. The rebar head portion upsetting machine is large in upsetting force, high in upsetting quality and stable in complete-machine performance.

The invention discloses a large diameter gas measuring meter. The end portion of a flow meter is provided with a Venturi tube outer tube, the inside of the Venturi tube outer tube is provided with a Venturi tube inner tube to form a throttle body, a positive pressure guide tube and a negative pressure guide tube are arranged inside a protective pipe, the upper ends of the positive pressure guide tube and the negative pressure guide tube are fixed onto a connecting plate through a flange, the portion of the connecting plate, which is located at the rear of the protective pipe, is provided with a temperature measuring tube, pressure sensors arranged inside the negative pressure guide tube and the positive pressure guide tube and a temperature sensor arranged inside the temperature measuring tube are jointly connected with a signal processing display, and a thermal accelerometer is arranged inside the protective tube and is connected with the signal processing display. The double Venturi structure of the large diameter gas measuring meter improves the accuracy and stability of the measurement of flow-velocity fluid; when a flow is below the lower limit of a flow sensor, the gated thermal accelerometer works, the advantages of accurately measuring micro flows of a thermal acceleration sensor is fully taken advantages of, and the measuring range of an original flow meter is widened.

The invention discloses a connection method for adjacent meshes of a copper alloy trapezius net, relating to a connection method for a mesh of an aquaculture net cage. In the connection method for the adjacent meshes of the copper alloy trapezius net, a cylindrical braid, a rope, a suture line and a tarpaulin ring are adopted. The connection method is characterized in that a soft connecting piece is arranged between two copper alloy trapezius nets, and ring plates manufactured by the tarpaulin ring on the soft connecting piece correspond to screens on the copper alloy trapezius net one by one; one end of a polyethylene rope is fixed on one net knot at one side of the trapezius net, and the other end of the polyethylene rope successively passes through the tarpaulin ring on the soft connecting piece and screens on the copper alloy trapezius net until the other end of the polyethylene rope passes through all the ring plates on the same side of the soft connecting piece and all the screens on the trapezius net; the other end of the polyethylene rope is fixed on one net knot of the copper alloy trapezius net; and the soft connecting piece is connected with the other copper alloy trapezius net with the same method. The connection method is used for connecting the adjacent meshes of the copper alloy trapezius net.

The invention discloses a high-protection fixing device for fan component transportation, and belongs to the technical field of transportation fixing. According to the scheme, overhanging supports are matched with stress belts to reduce pressure of fan components on a transportation vehicle, bumping to the fan components caused by jolting in the transportation process is effectively reduced, and the safety of the transportation vehicle is improved. Meanwhile, buffer supports are matched with magnetic damping petals to fix the fan assembly, magnetic suction cups on the magnetic damping petals are used for being attracted to the fan assembly, the stability of the fan assembly is improved, and electromagnetic petals are matched with magnetic layers of the magnetic suction cups, so that part of diffusion damping balls are evenly distributed in a bag; the other part of the diffusion damping balls gather below the magnetic suction cup to support the fan assembly, the bearing capacity of the fan assembly is improved through cooperation with hydraulic oil, meanwhile, when the fan assembly is vibrated, the diffusion damping balls are squeezed to be scattered and then can reset in time, and dynamic supporting force is provided for the fan assembly.

The invention discloses a burning stabilizing ring structure of a vortex burner. The burning stabilizing ring structure comprises a burning stabilizing ring body and further comprises a plurality of flame stabilizing teeth, a pressing plate and a bolt assembly. The flame stabilizing teeth are pressed to the burning stabilizing ring body through the pressing plate. The pressing plate is arranged on the burning stabilizing ring body. The bolt assembly penetrates through the burning stabilizing ring body, the pressing plate and the flame stabilizing teeth, so that the flame stabilizing teeth are fixed to the burning stabilizing ring body at equal intervals, and the windward faces of the flame stabilizing teeth are made from silicon carbide. The silicon burning stabilizing ring can resist high temperature and abrasion, the burning stabilizing teeth can be effectively prevented from falling off, the service life of the burner is prolonged, and safety and economy of a power plant are improved.

The invention discloses a multi-purpose wall switch protection cover, comprising a wall switch and a wall switch protection cover at the outside of the wall switch, wherein the wall switch is embeddedon a wall, the wall switch protection cover at the outside of the wall switch is hinged to a hinge seat through a hinge shaft, and the hinge seat is fixedly disposed at a lower right end of a mounting block. In the multi-purpose wall switch protection cover disclosed by the invention, when the wall switch protection cover is opened, a neck in the surface can be used for placing a mobile phone orthe like, so that the mobile phone can be charged conveniently, multiple groups of airflow holes on a lower surface of the wall switch protection cover can output air to serve as a hair dryer, the lower end of the wall switch protection cover is sealed in a lower end sealing neck through a rubber sealing block, so that the sealing property of the wall switch protection cover is relatively high.

The invention relates to a cylindrical copper-alloy netting net cage for aquaculture. The cylindrical copper-alloy netting net box adopts a high-strength single-dead-knot polyethylene-fiber net, a high-strength polyamide warp knitting net and a copper-alloy rhombic net and is characterized in that a buoyancy system of the net cage is in a combined structure of black high-density polyethylene double floating pipes and cylindrical floaters; a netting system for the net cage consists of a double-layer synthetic-fiber netting as a netting I, a copper-alloy rhombic net as a netting II and a high-strength polyamide warp knitting net as a combined netting for the bottom of a net cage body; the netting I and the netting II of the net cage body are flexibly connected by a longitudinal netting; side bolsh lines and lacing lines are assembled on the netting for the bottom of the net cage body, and horizontal lines and vertical lacing lines are arranged on the netting on the side surface of the net cage body; the combined netting for the net cage body is hung on an armrests and a floating pipe inner frame of a net cage frame; an outer frame of the floating pipe frame is connected with a floating rope frame of a fixed mooring system by mooring ropes, and the fixed mooring system of the net cage is used for fixing the floating rope frame in the sea areas for aquaculture by anchors, wood piles, anchor ropes, floating balls and floating ball connecting ropes.

The invention relates to a novel four-way switch. The novel four-way switch structurally comprises a rectangular switch box, a switch box cover and a four-way button. The four-way button is movably connected to the switch box cover in an embedded mode. The bottom of the four-way button is vertically connected with four plastic push rods. The upper ends of the four push rods are fixedly connected to the front end, the rear end, the left end and the right end of the four-way button respectively. The four side walls in the switch box are each connected with an elastic on-off rotating mechanism, and the lower ends of the four push rods penetrate through the switch box cover to be connected with the corresponding elastic on-off rotating mechanisms respectivley. The four-way button can continue to normally work after a button in one direction or buttons in two or more directions break down, and unnecessary losses are reduced.

The invention relates to the technical field of waste plastic reprocessing equipment, and particularly relates to stirring equipment for broken plastic. The stirring equipment for the broken plastic comprises a charging barrel, a feeding device, a material stirring device, an air equalizing device and a heating device. The feeding device comprises a feeding bin, a feeding hopper, a first screw rod, a second screw rod, a first screw blade and a second screw blade, wherein the screw direction of the second screw blade is opposite to that of the first screw blade. The material stirring device comprises a stirring motor, a stirring shaft and the screw stirring blades. The air equalizing device comprises a main air pipe, an annular air equalizing pipe and a gourd-shaped air equalizing nozzle. The heating device comprises a shell, two supporting plates, an insulating ring and a heating pipe. The stirring equipment for the broken plastic has the characteristics of low labor and material costand easy discharging of dust and moisture.

The invention relates to an assembly type movable stair. The assembly type movable stair comprises a folding stair body and a bearing frame, supports are arranged above the folding stair body, rotating shafts are arranged on surfaces of upper ends of the supports, baffle plates are arranged on outer sides of the rotating shafts, containing grooves are formed in lower portions of front ends of the baffle plates, fixing frames are arranged at front ends of side faces of the folding stair body, fixing holes are formed in middle parts of front ends of the fixing frames, screws are arranged on inner sides of the fixing holes, the bearing frame is arranged below the folding stair body, a rubber pad is arranged at an upper end of the bearing frame, and a groove is formed in the bearing frame. The assembly type movable stair is provided with the baffle plates, a user manually pulls down the baffle plates along the rotating shafts and clamps the baffle plates to the containing grooves in upper ends of the lower supports, and therefore the supports and the baffle plates are combined into handrails to limit the user to a certain degree, the user is prevented from directly falling off due to force majeure factors, and potential safety hazard of the device is reduced.