35results about How to "Extended use order" patented technology

The invention relates to a method for producing high-precision copper aluminum composite tube, with oxidization resistance, low weight, stainless, and low cost or the like. And the invention comprises that high-temperature fusing the copper or aluminum into copper or aluminum blank, feeding blank into heating furnace, heating and rolling from a rolling product line to extrude the copper tube or aluminum tube, fusing copper or aluminum at high temperature, flowing it via high-precision copper aluminum composing machine, to coat a copper layer or an aluminum layer on the face of tube, and treating surface.

The invention relates to a method for producing a large-diameter triangular strand wire rope. The method comprises the following steps: rolling a round strand into a triangular strand core through a core rolling machine; producing strands of a steel wire rope through a serial strand rope machine set, wherein the number of steel wire layers out of the triangular strand core is 2 or 3 and the total number, exclusive of the number of strand core steel wires, ranges from 39 to 81; and manufacturing strands into the steel wire rope by using a rope machine. The serial strand rope machine set is a three-serially-connected strand rope machine set or a four-serially-connected strand rope machine set; the three-serially-connected strand rope machine set is used for producing the strand of which the strand core is provided with 2 layers of steel wires outside; and the four-serially-connected strand rope machine set is used for producing the strand of which the strand core is provided with 3 layers of steel wires outside. In the method, the round strand is rolled into the triangular strand core and the size of the strand core and the number of steel wire ropes of the outside layer are reasonably selected, so that a qualified large-diameter triangular strand is produced in a continuous production mode by the serial stand wire rope set; and the process is reasonable and the requirement on quality is met.

The invention discloses a vertical and spiral-wound membrane vibration filtering device. The filtering device comprises a vibration component and a membrane component; the vibration component is mounted on a bracket through an elastic mechanism; the membrane component is directly and rigidly mounted in the vibration component; the membrane component is elastically connected with the bracket, and can damage the crystallization condition of easily-scaled substance and reduce a retention layer of the membrane surface under the acting force of left-right, up-down or multiple vibration of the vibration component, thereby increasing the membrane surface shearing force, the pollutant is hard to stock on the membrane surface and in the water inlet channel, and the filter membrane is prevented from being blocked; the membrane component is directly mounted on the vibration component, the vibration efficiency is high, the effect is good, and the membrane processing efficiency is further improved; and meanwhile, excessive flushing and chemical cleaning on the device are avoided, so that the service life of the spiral-wound element is longer, and the operation cost of the device is reduced.

The invention relates to an air box pulse bag deduster. The deduster is formed by parallelly connecting a left box, a middle box and a right box, wherein the top of the box is provided with an upper cover plate; an air outlet is formed on the upper cover plate; the side part of the box is provided with an air buffer tank. The air buffer tank is connected with an air blowpipe via a pulse electromagnetic valve; and the air blowpipe is arranged on the upper part of the box, the interior of the box is provided with a filter bag, the upper part of the filter bag is connected with the box via a filter bag card, the lower part of the box is connected with a dust hopper, the upper part of the dust hopper is provided with an air inlet, and bottom of the dust hopper is provided with a dust discharge opening. Compared with the prior art, the air box pulse bag deduster overcomes shortcomings of conventional pulse dedusters and section reverse dedusters, and achieves the aim of completely removing dust by blowing once. The air box pulse bag deduster has advantages of strong chemical resistance, high filter efficiency, low discharge, large processing air flow, low pressure drop and long service life.

The invention discloses a self-locking rocker switch. The switch comprises a switch upper shell, a switch lower shell and a switch cover, a switch cover waterproof, dustproof and moistureproof cap isarranged in the middle of the upper end of the switch upper shell, the switch cover is connected to the switch upper shell through the switch cover waterproof, dustproof and moistureproof cap, one endof the switch lower shell is connected from the bottom of the switch upper shell in an embedded mode, and a switch upper and lower shell waterproof, dustproof and moistureproof pad is arranged between the switch lower shell and the inner side wall of the switch upper shell. Waterproof, dustproof and moistureproof sealing of the switch is achieved when the switch is used in open-air rainy days, the switch is self-locked, the wiring terminal base is prevented from falling off, the service life of the switch is longer, and the switch is more convenient and efficient to use.

The invention relates to a microporous filter core for filtering water solution, in particular to a filter core for filtering water solution with filtering, adsorption and sterilization functions and a preparation method of the filter core. The filter core comprises 28 percent to 65 percent of diatomite, 13 percent to 50 percent of active carbon, 11 percent to 48 percent of polyethylene and 11 percent to 48 percent of medical stone according to the weight percentage. The filter core has the advantages that the material selection is reasonable, the produced filter core can be used for effectively removing impurities including rust, suspension materials, colloid and the like in tap water, residual chlorine in the tap water can be effectively removed, pathogenic bacteria can be effectively removed, and the retention rate reaches 99.99 percent. Meanwhile, the water passing flow rate can be increased, the service life is prolonged, and the filter core can be repeatedly used after being irregularly cleaned according to different water qualities. The preparation method of the filter core is simple, preparation materials only need to be mixed according to the certain weight ratio and uniformly mixed, and the finished product filter core can be produced after the materials are filled into a forming machine, and the production efficiency is greatly improved.

The invention discloses a cabin door locking device of a special vehicle. The cabin door locking device comprises a cabin door and a deck; a cabin door through hole is formed in the cabin door, and alock sleeve is arranged in the cabin door through hole; a rotatable lock shaft is arranged in the lock sleeve, and one end of the lock sleeve is in transmission connection with a lock tongue arrangedon the inner side of the cabin door; the lock tongue can move in the axis direction of the lock shaft, and is provided with a lock tongue threaded hole, and a first outer thread matched with the locktongue threaded hole is arranged on the lock shaft; and a sealing part is arranged on the inner side of the deck and internally provided with a flexible sealing piece, and when the cabin door is closed, a flange on the inner side of the cabin door compresses the flexible sealing piece. According to the cabin door locking device of the special vehicle, the pressure of the locking device on the cabin door locking position is adjustable, and the cabin door locking device is small in occupied space, good in airtightness, high in reliability, simple in structure and easy to operate.

The invention relates to multifunctional combine shoes, which is characterized in that the upper 2 of shoe is arranged with a container 1 via nylon clamper (or button) 1a, 2a connected with the upper 2. The container can be made from leather, cotton, and macromolecule material or the like. The invention has the advantages that 1, the container can be separated from the upper, to be cleaned; 2, the invention has a backup container to save time; 3, the invention can protect the shoes from dirt, to prolong the service life of shoes; 4, the inventive containers can be different in different seasons.

The invention provides a double-sealed rear oil seal tool, and belongs to the technical field of tools. The double-face sealing rear oil seal tool comprises a tool assembly and a buffering assembly. An impact part is fixed to one side of a press-fitting part, a circular groove is formed in the other side of the press-fitting part, a transition fillet is formed in the edge of the circular groove, and a limiting ring sleeve is concentrically fixed to the bottom of the circular groove; one end of a first elastic part is connected with a sliding sleeve, and the other end of the first elastic part is fixedly connected with the impact part; and oil seal after double-face sealing is arranged at the head of the press-fitting part, the impact part is fixed to one side of the press-fitting part, then the impact part is beaten through a steel hammer, the limiting ring sleeve is used for limiting, and the press-fitting part can be obtained after beating in place; the edge of the circular groove is provided with the transition fillet, so that the transition fillet is increased, stress is dispersed, and the service life is prolonged; and the circular groove is formed in the other side of the press-fitting part, the limiting ring sleeve is concentrically fixed to the bottom of the circular groove, and the outer diameter of the limiting ring sleeve is matched with the inner diameter of the oil seal.

An antiseize fuel gas control valve for a waste mine gas use unit comprises a fuel gas control valve body, a bearing block hole, a valve rod and a bearing cap, wherein the bearing valve body is provided with a bearing block hole, and a bearing is mounted in the bearing block hole. The valve rod is nested in the bearing hole and is located on two sides of the valve body. A fuel gas valve plate and a clamping groove of an electrical contact of a contact motor outside the valve rod are fixed to be connected, and the opening and closing of the valve plate for 0-90 degrees is realized by a control system module. The bearing cap is mounted outside the bearing block, lubricating grease can be added, it is ensured that the valve rod rotates flexibly without seizing, corrosion and dust entering are prevented, regular maintenance is convenient, burning loss of an electrical control module and a motor is prevented, the service life is prolonged, and operation and maintenance costs are reduced.

The invention provides an LED lamp. The LED lamp comprises a first end cover, a radiator assembly, a rotating part, a fixed part and a second end cover which are sequentially arranged in the length direction of the LED lamp. The second end cover is provided with a lamp holder. A through hole is formed in the middle of the rotating part. At least one elastic clamping position is formed on the edge of the through hole. Receding holes are formed in the outer sides of the elastic clamping positions correspondingly. A cylindrical structure is arranged on the side, close to the rotating part, of the fixed part. A plurality of gear grooves are formed in the peripheral surface of the cylindrical structure at intervals. The cylindrical structure is inserted into the through hole of the rotating part in a connected mode. According to the LED lamp, the fraction between the rotating part and the fixed part can be reduced, and the problem that the angle location is not precise after the LED lamp is used repeatedly is solved.

The invention discloses a pump body structure of an internal gear pump and an assembly process thereof. The pump body structure comprises a front bearing cover, a middle shell and a rear bearing cover, the middle shell is arranged between the front bearing cover and the rear bearing cover, a gear and a gear ring which are meshed with each other are arranged in the middle shell, and the gear and the gear ring which are meshed with each other are used for pumping oil; sliding bearings are designed on the front bearing cover and the rear bearing cover and used for supporting the gear; the gear ring is driven by the gear to divide two sides of the gear into an oil pump high-pressure cavity and an oil pump low-pressure cavity; and the oil pump low-pressure cavity is connected with an oil inletof the pump body. An elastic pin is used for replacing a steel wire to limit an oil distribution disc frame, the oil distribution disc frame is prevented from rotating along with the gear, a stop pinstructure is improved, machining and assembling are easy, and the service life of the oil pump is long.