42results about How to "Simple technical structure" patented technology

A double-rod ram (1), preferably for an extruder, comprising an outer cylinder (10), an inner cylinder (20) installed therein and arranged concentrically therewith, a double-acting work piston (41) provided in the inner cylinder to be displaceable and a bypass device (50) with at least one bypass valve (52), wherein the work piston (41) divides the inner cylinder (20) into two compartments (42) and can be loaded with a hydraulic fluid from both compartments (42), wherein the bypass device (50) is so arranged that in a bypass position of the bypass valve (52) a fluid connection between the two compartments (42) is formed by a direct connection, preferably at least one bypass line, and in a work position of the bypass valve (52) no such fluid connection is present.

The invention relates to a yarn feeding device of a weaving machine, comprising a plurality of yarn clearers (1), an annular wind groove (2), annular wind groove pumping / suction ports (3), a wind pumping pipe (4), a wind pumping pipe joint (5), a dust suction pipe (6) and a dust collector (7). The plurality of yarn cleaners (1) are uniformly fixed on a lower plate of the annular wind groove (2), and at least three annular wind groove pumping / suction ports (3) are uniformly arranged on an upper plate of the annular wind groove (2); each yarn cleaner (1) comprises a yarn cleaner body (1.10), a sealing rubber cover (1.2), an upper magnetic eye (1.1), a lower magnetic eye (1.9) and yarn separating chambers (1.8); the top of the yarn cleaner body (1.10) is movably provided with the sealing rubber cover (1.2); the upper magnetic eye (1.1) and the lower magnetic eye (1.9) are respectively arranged at the sealing rubber cover (1.2) and the bottom of the yarn cleaner body (1.10); the yarn separating chambers (1.8) are respectively and correspondingly arranged in a hollow cavity body of the yarn cleaner body (1.10) in a mutual separation mode from the upper magnetic eye (1.1) and the lower magnetic eye (1.9) according to the number of yarns. The invention can remove flocculation and dust before yarn weaving.

The invention relates to an instant installation safety fixation hinge-free door which is mainly composed of a door support, a door frame, a protruding bolt and a groove. The door support is arranged on one side of the door frame and mainly serves as a door board support, the door frame is arranged on one side of the door support and mainly serves as a door support fixing frame, the protruding bolt is arranged on one side of the door frame in a protruding mode, the protruding head is large in head and small in inside, the protruding bolt is mainly matched with the groove, the groove is recessed and formed in one side of the door support, the recessed portion is small in opening and large in side, and the groove is mainly used for containing the protruding bolt. The door has the advantages of being simple in structure, exquisite, multipurpose, wide in use, free of hinge installation, convenient and durable to install and use, safe, low in manufacture cost and better in comprehensive effect, saving energy and protecting environment.

The present rotary internal combustion engine and operating method thereof operates on any fuel, is highly efficient and reliable and is easy to manufacture. The claimed device and method for the use thereof achieve the above technical result in that the claimed engine is always at maximum torque by virtue of having a maximum working length. The engine is a simple and easily manufacturable structure of various dimensions and weight and can be used as the basis for modular structures. The engine does not contain a mechanism that performs reciprocating movements.

This invention relates to a test method for the energy of a physical channel including: obtaining the maximum score of decoding based on the received information bits, then testing if there are information bits on the physical channel based on the score.

The invention discloses a rotary catapult take-off platform for carrier-borne aircraft of an aircraft carrier, and mainly relates to the field of military weapons. It includes a rotating seat support, a rotating column is vertically arranged on the top of the rotating seat supporting, a rotating platform is arranged on the rotating column, and several parking positions are arranged in an annular array on the top of the rotating platform, and one end of the parking position A baffle groove is provided, and a baffle that can be opened and closed is arranged in the baffle groove, and a locking device for locking the wheels of the aircraft is provided on one side of the baffle groove. The beneficial effects of the present invention are: its technical structure is simple, the weight cost and energy consumption are relatively small, the parts are less and the maintenance is less, and multiple aircraft can be ejected simultaneously or continuously, and take off in a gentle and uniformly accelerated rotation mode, which can be ignored without fresh water. Wind direction, smooth instantaneous load, suitable for a wide range of take-off models, strong speed controllability, no runway approach, does not occupy too much deck area, and does not have any electromagnetic interference, and can be elevated or multi-layered.

The invention relates to a circulation flow reactor with a guiding body component. The circulation flow reactor comprises an outer cylinder and a guide cylinder arranged in the inner cavity of the outer cylinder, wherein a water outlet is formed in the upper part of the outer cylinder; a cavitation spray head communicated with a water inlet pipeline is arranged below the guide cylinder or between two walls of the bottom end of the guide cylinder; a guiding body is arranged in the inner cavity of the guide cylinder; the guiding body is positioned above the cavitation spray head and directly faces the spray end of the cavitation spray head. According to the circulation flow reactor, a synergic effect is generated under the effects of ultrasonic vibration and flapping jet, and a great number of free radicals are generated, so that the hydrodynamic cavitation energy consumption of the equipment is reduced, the ultrasonic cavitation strength is greatly improved, the sewage treatment capacity is strengthened, and the hydrodynamic cavitation capacity for degrading organic pollutants is effectively improved; moreover, gas distribution in liquid is dispersed by using the guiding body, the aggregation of gas in the liquid is prevented, and the gas-liquid contact area is further increased. The circulation flow reactor also has the advantages of convenient operation, easy management, low cost, simple technological structure and the like, and is suitable for industrial popularization and application.

The invention relates to a hydraulic acoustic cavitation circulation flow reactor which comprises an outer shell and a guide shell arranged in the inner cavity of the outer shell, wherein the upper part of the outer shell is provided with a water outlet; a cavitation sprayer communicated with a water inlet pipeline is arranged between the two walls of the lower part or bottom end of the guide shell; and the cavitation sprayer is composed of a first fixed plate, a first nozzle, a second nozzle, a vibrating bar, a second fixed plate and a connecting rod. The synergic effect is generated under the actions of ultrasonic vibration and slit jet so as to generate abundant free radicals, so that the hydraulic cavitation energy consumption of equipment is lowered, the ultrasonic cavitation intensity is greatly enhanced, the sewage treatment capacity is enhanced, the capacity of hydraulic cavitation for degrading organic pollutants is effectively enhanced, the gas-liquid mixing can be enhanced, and the mass transfer and heat transfer effects between gas and liquid are enhanced. The hydraulic acoustic cavitation circulation flow reactor is convenient to operate and easy for management, has the advantages of low cost, simple technical structure and the like, and is suitable for industrialized popularization and application.

The invention relates to a strengthened hydraulic acoustic cavitation treatment device. The strengthened hydraulic acoustic cavitation treatment device comprises a water inlet pipe and a cavitation pipe communicated with the water inlet pipe; the outlet end of the water inlet pipe is designed to be convergent; a nozzle is arranged at the connection part of the water inlet pipe with the cavitation pipe; the center line of a nozzle opening of the nozzle and the center axis of the water inlet pipe are designed to be overlapped; a reed is arranged in the inner chamber of the cavitation pipe; the wedge point of the reed is arranged to face the nozzle opening of the nozzle directly. According to the strengthened hydraulic acoustic cavitation treatment device, the cross section of the cavitation pipe is designed to be a tapered cross section, jet flow is formed when water flows through a throat part, pulse stress is generated at the cross section, sound wave is generated, radiation of sound wave into the cavitation pipe is realized, when the wedge point of the reed is arranged at the focal point of a paraboloidal pipeline, radiation of sound wave into the cavitation pipe is realized, and sound wave passes through the cavitation pipe in parallel, so that sound wave radiation range is enlarged greatly, cavitation of liquid of a large range under the effect of sound wave is ensured, more strong free radicals are generated, it is beneficial for degradation of organic pollutants, and treatment effect is multiplied; operation and management are convenient; cost is low; and the technical structure is simple.

The invention relates to a mineral sorting device, a mineral processing production system and a mineral sorting method. The mineral sorting device comprises a raising part used for colliding with falling minerals, and a mineral falling space is formed in the mineral sorting device. The raising part is arranged in the mineral falling space and can move. Inventively, during mineral sorting, the falling minerals collide with the moving raising part, and it is guaranteed that the minerals can be fully scattered and subjected to effective dust raising through the mechanical collision effect and the mineral stirring effect of the moving raising part; and good conditions are created for work such as screening and dust removal of the mineral sorting device so that the sorting effect of the mineral sorting device can be remarkably improved, and the quality of mineral sorting work is improved.

The invention relates to a yarn feeding device of a weaving machine, comprising a plurality of yarn clearers (1), an annular wind groove (2), annular wind groove pumping / suction ports (3), a wind pumping pipe (4), a wind pumping pipe joint (5), a dust suction pipe (6) and a dust collector (7). The plurality of yarn cleaners (1) are uniformly fixed on a lower plate of the annular wind groove (2), and at least three annular wind groove pumping / suction ports (3) are uniformly arranged on an upper plate of the annular wind groove (2); each yarn cleaner (1) comprises a yarn cleaner body (1.10), asealing rubber cover (1.2), an upper magnetic eye (1.1), a lower magnetic eye (1.9) and yarn separating chambers (1.8); the top of the yarn cleaner body (1.10) is movably provided with the sealing rubber cover (1.2); the upper magnetic eye (1.1) and the lower magnetic eye (1.9) are respectively arranged at the sealing rubber cover (1.2) and the bottom of the yarn cleaner body (1.10); the yarn separating chambers (1.8) are respectively and correspondingly arranged in a hollow cavity body of the yarn cleaner body (1.10) in a mutual separation mode from the upper magnetic eye (1.1) and the lowermagnetic eye (1.9) according to the number of yarns. The invention can remove flocculation and dust before yarn weaving.

The invention relates to a tilting device (5) for a chair, comprising a lower plate (6) and an upper plate (7). An elastic body (8) is located therebetween. The lower plate (6) has a bulge (9) in the vertical direction, by means of which the tilting device (5) is placed onto the upper end of a gas spring (2). The seat plate (3) of the chair is fastened to the upper plate (7).

The invention relates to a tilting device (5) for a chair, comprising a lower plate (6) and an upper plate (7). An elastic body (8) is located therebetween. The lower plate (6) has a bulge (9) in the vertical direction, by means of which the tilting device (5) is placed onto the upper end of a gas spring (2). The seat plate (3) of the chair is fastened to the upper plate (7).

The technical solution of the invention relates to a tightening device for an outer casing of a power drive device. The outer housing tightening device of the power driving device includes: the outer housing body of the power driving device and the opening handle of the outer housing of the power driving device, the outer housing device of the power driving device is installed on the upper curved beam, and the outer housing of the power driving device The body is mechanically connected with the outer casing of the power driving device and arranged in parallel, and the opening handle of the outer casing of the power driving device can move in parallel along the outer casing body of the power driving device. The technical structure of the invention is simple, and can effectively solve the technical problem of insufficient strength of the handle caused by excessive torque and long torque when opening the handle; it can effectively solve the technical problem of difficulty in opening the outer casing of the power drive device; at the same time, it can Effectively solve the problem that the power drive device outer shell device interferes with the front grille when it is locked, and interferes with the hair cover when it is unlocked. Leave more movement space for the lock body and increase the gap with each fixing piece. It conforms to ergonomics and has high practical value.