65results about How to "No falling off" patented technology

The invention provides a method for target material component welding. The method comprises the following steps that a tungsten target material, a back board and an aluminum middle layer are provided; the tungsten target material, the aluminum middle layer and the back board are placed in a vacuum bag, the aluminum middle layer is located between the tungsten target material and the back board, and the vacuum bag is arranged in a welding device; the hot isostatic pressure technology is used for welding the tungsten target material, the aluminum middle layer and the back board together to form a target material component; after welding is completed, the vacuum bag is cooled and removed, so that the target material component is obtained. Due to the fat that the aluminum middle layer is additionally arranged between the tungsten target material and the back board, and the hot isostatic pressure technology is used for welding the tungsten target material and the back board together, welding efficiency is improved, the formed target material component is good in welding binding rate, high in welding strength and small in deformation, large-area welding can be achieved, and therefore the requirements for long-term stable production and using of target materials can be met.

A touch panel with an adhesive layer, comprising the adhesive layer (9) for sticking, on the entire surface of a display (20), a touch panel body (1) having an upper electrode plate having an upper electrode (3) formed of a transparent conductive film formed on the lower surface of an upper insulation substrate (2) formed of a transparent plastic film and a lower electrode plate having a lower electrode (5) formed of a transparent conductive film formed on the upper surface of a lower insulation substrate (4) formed of a transparent plastic film and opposed to the upper electrode plate through an air layer (6) between the upper electrode plate and the lower electrode plate and a separate support plate member (10) for the adhesive layer, wherein the bending rigidity of the transparent plastic film at a room temperature is 0.3 to 40 kgf.cm<2> when the width (b) of the separate support plate member (10) in cross section is 12 cm.

It provides a soundproof coating material and a soundproof drain pipe. The soundproof coating material comprises a soundproof layer coated on the outer periphery of a pipe having a sound insulating outer layer with an elastic modulus of 1.0 10<6> to 3.0 10<6>Pa and a sound absorbing inner layer with an elastic modulus of 0.5 10<3> to 2.0 10<3>Pa so that the soundproof layer can be securely and smoothly mounted on the outer periphery of the pipe. Accordingly, in the soundproof drain pipe thus obtained, the soundproof layer is allowed to slide on the outer periphery of the pipe and the soundproof layer is prevented from being fallen off from the outer periphery of the pipe. As a result, the handling of the soundproof drain pipe can be improved and supply / drain noise therefrom can be effectively reduced.

The invention discloses a high-stability and firmly-mounted fixed wing aircraft wing. The high-stability and firmly-mounted fixed wing aircraft wing comprises a first wing and a mounting groove; the mounting groove is formed in the lower end of the left side of the first wing; the first wing is connected with the mounting groove in a sleeving manner; a fixing clamping seat is arranged to penetratethrough the surface end of the lower end of the left side of the first wing; and the fixing clamping seat is connected with the first wing in a through manner. According to the high-stability and firmly-mounted fixed wing aircraft wing, by arranging a support reinforcing plate at the perpendicularly intersected part of the first wing and a second wing, the support reinforcing plate can enable a suffered impact force to be stable to prevent a phenomenon that the first wing and the second wing cannot fall off; and therefore,damages of the first wing and the second wing caused by fall-off are avoided so that the service life of the integral structure of the fixed wing aircraft wing can be prolonged; and moreover, influences caused by factors such as a clearance and a manufacturing error areeliminated while the connecting strength between the first wing and an aircraft body and the connecting strength between the second wing and the aircraft body are guaranteed.

The invention relates to the technical field of oil layer water injection equipment, and discloses a watering flow wellhead oil extraction device for an oil field ground exploitation technology, which comprises a water distributor main body, the middle part of the inner cavity of the water distributor main body is movably sleeved with an internal control valve core through a pressure spring positioned at the bottom of the water distributor main body, and the bottom of the inner cavity of the internal control valve core is provided with an elastic rubber block; and first through holes which extend to an inner cavity of the water distributor main body and are distributed in an annular array are formed in the middle of the outer surface of the water distributor main body. According to the watering flow well mouth oil extraction device for the oil field ground exploitation technology, a linkage structure is arranged between the water distributor body and the internal control valve element, so that an elastic rubber block on the linkage structure can be automatically shrunk to fall off the seat sealing ball body when bearing a large pressure; when separated layer water injection is carried out on an oil layer, extrusion abrasion caused by the setting ball to the elastic rubber block on the setting ball in the falling-off process can be effectively reduced, and the service cycle and the service life of the water distributor are effectively prolonged while the sealing performance of the water distributor component is guaranteed.

The invention relates to a solar device which comprises a ceramic base plate, a plurality of III-V group solar chips, and an encapsulation body, wherein the III-V group solar chips are arranged on the ceramic base plate and are used for converting solar energy into electric energy on the ceramic base plate; and the encapsulation body covers the ceramic base plate and the III-V group solar chips, at least one Fresnel lens is formed on the position of the encapsulation body corresponding to the III-V group solar chips, and sunlight passes through the Fresnel lens and is converged on the III-V group solar chips.

The invention discloses double-layer corrugated filter cloth. The double-layer corrugated filter cloth comprises two layers of corrugated filter cloth arranged oppositely. The folding angle beta of the two layers of corrugated filter cloth is not larger than 30 degrees, the two layers of corrugated filter cloth are symmetrically arranged, wave troughs of one layer of corrugated filter cloth abut against wave crests of the other layer of corrugated filter cloth one to one, then the abutting positions are subjected to ultrasonic welding, the width L of weld joints obtained after welding is completed ranges from 1 mm to 1.5 mm, and a channel is formed between every two adjacent weld joints. The weld joints of the double-layer corrugated filter cloth welded ultrasonically are firm and not likely to be separated, the service life of the double-layer corrugated filter cloth is greatly prolonged, no connecting medium exists, no medium disengaging phenomenon is generated, and it is completely eradicated that new contaminates are formed for an industrial dust remover by the double-layer corrugated filter cloth.

The invention provides an electrical connector assembly (100), which comprises a body (1) providing with an accommodating space (11), two printed circuit boards (2) and a locking device; the printed circuit boards (2) are arranged in parallel, are accommodated in the accommodating space (11) of the body (1) and are positioned with the body (1) mutually; the locking device is assembled on the body; the body comprises a body part (12) located at the rear end of the body and a butt joint part (13) which extends forwards from the front end surface of the body part; the electrical connector assembly further comprises a metal washer (9) which is assembled at the rear end of the periphery of the butt joint part of the body; a sunken area (132) is further arranged on the butt joint part of the body; the metal washer is accommodated and positioned in the sunken area; a groove (133) is arranged in the sunken area; an indent part (932) accommodated in the groove is formed on the metal washer. In such way, the metal washer can be firmly positioned on the body.

The invention discloses a thermal protection method for an outer surface of an electro-thermal boiler. The thermal protection method comprises the following steps of: (1) clearing the outer surface ofthe electro-thermal boiler, and adopting 800# abrasive paper to perform grinding treatment; (2) spraying a modifying solution to the grinded surface of the electro-thermal boiler; (3) uniformly coating heat-resistant paint on the surface of the electro-thermal boiler 100-120 minutes later, and completing treatment after paint is dried. The thermal protection method for the outer surface of the electro-thermal boiler provided by the invention is simple to operate, and is low in cost; and the treated electro-thermal boiler has excellent heat resistance, does not have a coating dropping phenomenon after being heated for a long time, and greatly prolongs the service life of the electro-thermal boiler.

The invention relates to a wire and cable connecting frame for an overhead line of an electric power tower, which includes a base plate, a clamping device, a positioning device and a docking device. The clamping device is installed on the base plate, and a positioning device and a docking device are installed on the clamping device. The present invention can solve the following difficult problems existing in the connection of existing wires and cables. 1. When docking traditional wires and cables, it is necessary to manually pull the wires and cables that need to be docked, and use tools to connect the wires and cables, and then Use cable connectors to connect and fix the processing, so the connected wires and cables are not firm; 2. The existing wire and cable connectors cannot perform stable clamping operations on the cables, and the phenomenon of broken cables often occurs. The clamping force of the cable is not enough, and it is not enough to withstand the bad weather in the later stage, and it is easy to loosen in the case of strong wind, which makes the wire and cable fall from a high altitude, and there is a big safety hazard.

Disclosed is a water cleaning device. A containing space is arranged inside the water cleaning device. A plurality of transparent photocatalyst units with at least one opening are arranged in the containing space at equal intervals. Water to be cleaned can be guided and injected into the water cleaning device to flow along a zigzag water flow path inside the water cleaning device, accordingly, the flowing time of the water to be cleaned inside the water cleaning device is prolonged, and the sterilization clean time of the water to be cleaned inside the water cleaning device is prolonged. Different from existing photocatalyst glass plates, the photocatalyst glass plate is composed of a glass substrate, a photocatalyst coating film and a protective film, the protective film is made of a water corrosion resisting material, and the phenomenon that external water molecules invade through holes in the photocatalyst coating film to corrode the glass substrate can be avoided; the photocatalyst glass plate will not have the glass substrate acid regurgitation phenomenon; the photocatalyst coating film coating the glass substrate will not be disengaged from the glass substrate even when the glass substrate is in use for a long time.

The invention discloses a spring-assisting lifting device which comprises a base and a lifting rod. One end of the lifting rod is rotationally connected with the base. A front spring hook is disposed on each of the left and the right of the middle of the lifting rod. Rear spring hanging holes, corresponding to the front spring hooks, are formed in the base. Springs are connected between the front spring hooks and the rear spring hanging holes. One end, close to the base, of the lifting rod is provided with a bolt. A limit retaining plate is disposed below the base. The spring-assisting lifting device has the advantages that ascending and descending of the lifting rod is achieved by the springs, fixation of the ascending positions is achieved by the springs, the fixation of descending positions is achieved by the bolt and the limit retaining plate, and the spring-assisting lifting device is simple in structure and practical.

An electrical connector assembly (100) comprises: a housing (1) having a rear body portion (12) and a front mating portion (13), two paralleled printed circuit boards (2) disposed in the housing and positioned by the housing, two cables (4) respectively electrically connected to the two printed circuit boards, a spacer (3) sandwiched between the two printed circuit boards and positioned by the housing, a metallic holder (8) surrounding the body portion, and a metallic gasket (9) surrounding a rear section of the mating portion. The metallic gasket has a number of ribs (135) around a front end thereof and the housing has on an outer surface thereof a plurality of slits receiving the ribs (95).