158results about How to "Avoid loose phenomenon" patented technology

The invention belongs to the technical field of preparation of radioactive sources, and discloses an electric deposition device for preparing a high-resolution alpha source. The electric deposition device comprises a power supply, an electric plating tank, a bottom weigher, a magnet and a platinum electrode; the electric plating tank is of a two-layer structure with an inner layer and an outer layer; openings are formed in the upper end and the bottom of the inner layer; the inner layer of the electric plating tank is used for accommodating electric deposition plating liquid; a cooling circulating water inlet and a cooling circulating water outlet are formed in opposite angles of the outer layer; an upper sealing ring and an upper sealing cover on the upper side are arranged in the opening in the upper end of the inner layer; a lower sealing ring and a lower sealing cover on the lower side are arranged in the opening in the bottom of the inner layer; the bottom weigher serves as a cathode, and is tightly attached to the lower portion of a hole way in middle of the lower sealing ring; and the platinum electrode extends from the radial center position of the upper end of the inner layer of the electric plating tank to a position 0.5-1 cm away from the bottom of the electric plating tank. The alpha source prepared by the device has the beneficial effects of high electric deposition efficiency, a compact plating layer, good uniformity and low deposition thickness.

The invention discloses a method for preparing a novel composite anode plate. The method comprises the following steps: (1) adopting cold press compounding, namely two lead plates or lead alloy plates, stacking an aluminum plate or an aluminum alloy plate together to form a shape of the lead plate or the lead alloy plate, and the aluminum plate or the aluminum alloy plate and the lead plate or the lead alloy plate, and feeding to a roller to roll and form a lead-clad aluminum composite plate; (2) preparing an aluminum-clad copper composite conductive copper bar by cold drawing compounding or hot casting compounding, namely sleeving an aluminum pipe on the copper pipe or copper bar to compound by drawing plastic deformation, putting the copper pipe or the copper bar to be compounded into a special die, melting aluminum or aluminum alloy, and compounding the aluminum on the copper pipe or the copper bar by a hot casting method; and (3) welding the aluminum plate or the aluminum alloy plate in the middle of the composite plate and the aluminum pipe at the outer surface of the composite conductive bar together to form the composite anode plate. According to the method, the compound reliability of the aluminum plate and the lead plate in the composite plate, and the welding stability of the composite plate and the conductive bar can be improved; and the method has the advantages of good reliability, strong conductivity and high electric efficiency and the like.

The invention belongs to the technical field of electrical machines and packaging machines, and particularly relates to a coil forming and binding production unit with four circumferential stations. In the production process of civil wires, according to the requirements of a production process, electric wires need to be bound after being coiled and then enter a subsequent procedure. The problem of coil loosening is prone to occurring in the working process of an existing coil forming and binding machine. The coil forming and binding production unit is composed of a rack, a coil forming and winding machine, binding machines and a four-circumferential-station conveying turntable. The coil forming and winding machine and the binding machines are distributed along the circumference of the four-circumferential-station conveying turntable and installed on the rack, coils synchronously rotate along with the conveying turntable when conveyed on the four-circumferential-station conveying turntable, and relative motion between the coils and the conveying turntable is omitted, so that sliding friction is avoided, and the coil loosening phenomenon caused by friction between the coils and a working table is effectively avoided. The two binding machines are adopted for improving production efficiency.

The invention discloses a pipe joint structure, and relates to the technical field of pipeline engineering. The pipe joint structure is designed to solve the problems that an existing pipe joint structure is not reliable and the like. According to the pipe joint structure, positioning protruding rings are arranged on a first pipe end socket, positioning annular grooves are formed in a second pipe end socket, a pipe joint is comprehensively sealed through matching of the positioning protruding rings and the positioning annular grooves and through first sealing pieces between the adjacent positioning protruding rings, and the problem that leakage happens to the pipe joint can be effectively avoided; clamps are arranged outside the pipe end sockets, and hinged shafts of the clamps are fixed into joint fixing pieces so that the two pipe end sockets of the pipe joint can be effectively prevented from being disengaged and structure reliability and use safety of the pipe joint can be greatly improved; the first pipe end socket is matched with a clamping table of the corresponding joint fixing piece through a boss so that the first pipe end socket can be positioned, the second pipe end socket is connected with the corresponding joint fixing piece in a threaded mode, the installation method is more convenient, and production efficiency can be greatly improved.

The invention discloses a processing method of dried crispy fishes. The processing method of the dried crispy fishes is characterized by comprising the following steps: (1), carrying out washing, namely sorting trash fishes, putting the sorted fishes into clean water, adding treatment liquid so as to carry out dipping, removing viscera, and carrying out washing; (2), carrying out pickling, namelyuniformly mixing a pickling material with the washed fish meat, containing the mixture in a sealed container, and carrying out pickling ; (3), carrying out marinating, namely immersing the pickled fishes in a marinade, and carrying out ultrasonic oscillation; (4), carrying out steaming, namely roasting the marinated fishes, putting the baked fishes on a distillation layer of a steamer, and carrying out steaming; (5), carrying out oil-frying, namely brushing surfaces of the steamed fishes with camellia seed oil, brushing inner side and outer side of the steamed fish meat with seasoning paste, carrying out baking in an oven, and carrying out oil-frying by immersing the baked fishes in oil; and (6), carrying out sealed packaging, namely performing ultraviolet lamp irradiation on the oil-friedfishes so as to carry out sterilization, and filling nitrogen into packages so as to obtain the dried crispy fishes.

The invention relates to a front and back adjusting structure of a furniture hinge, which comprises a base connected with a furniture main body and a hinge cup seat arranged on a furniture door body. Adjusting cover plates are glidingly sleeved in front and back on the base and hinged with the hinge cup seat through a supporting arm, two insides of the adjusting cover plates are provided with protrusions or two sides are inwards provided with inner turnover edges, a front sliding groove and a back sliding groove are formed between the protrusions or the inner turnover edges and the inner top surfaces of the adjusting cover plates and connected with the base through a front adjusting convex nail and a back adjusting convex nail, two sides of the base corresponding to the front sliding groove and the back sliding groove are provided with outer turnover edges, and the front sliding groove and the back sliding groove of the adjusting cover plates slide forward and backward along the outer turnover edges by adjusting the front adjusting convex nail and the back adjusting convex nail. The inside of the adjusting cover plates are matched and glidingly connected with the outer turnover edges outside the base through the front sliding groove and the back sliding groove between the protrusions or the inner turnover edges and the top surfaces of the adjusting cover plates, so the adjusting structure has firm structure, simultaneously has the function of limiting up and down, and avoids long-term use and release due to abrasion at the riveted joint between the front and back adjusting convex nails and the base. The adjusting structure has the advantages of simple and reasonable structure, convenient installation, easy production, and long service life.

The invention is applicable to the technical field of motors and discloses a brush buckle sheet, a motor end cover with the same and a motor. The brush buckle sheet is used for being installed between a brush frame and the periphery of an end cover body so as to allow a brush assembly installed in the brush frame to be pressed and positioned. The brush buckle sheet is a U-shaped sheet component made of elastic insulation material and comprises a pressing part, bending parts and first buckling parts, wherein the pressing part fits the outer end face, towards the periphery of the end cover body, of the brush frame, the bending parts bend and extend towards the two sides of the brush frame along the two ends of the pressing part, and the first buckling parts are arranged on the bending parts and used for being in buckled connection with the brush frame. As the brush buckle sheet is made of insulation material, the potential safety risk of leakage of a motor body due to the fact that the creepage distance between the brush buckle sheet and the inner wall of the motor body is not enough is eliminated; and the first buckling parts are in buckled connection with the brush frame, thus improving the stable reliability of installation of the brush buckle sheet and improving the stable reliability of performance of the motor with the brush buckle sheet.

A single mounting apparatus for securing a number of expansion cards includes a resisting member rotatably attached to the chassis and a clamping buckle. The clamping buckle includes a pressing piece, a supporting portion, an operating portion, and a catching member. A securing space is defined in the resisting member for latching the catching member. When the catching member is caught in the securing space, the securing member is clamped between a flange of the chassis and the resisting member to stop the rotation of the resisting member. The pressing piece presses down on and secures the expansion cards. Lifting the clamping buckle upwards unlatches the catching member from the securing space and causes re-rotation of the resisting member to allow dismounting of the expansion cards.

The invention relates to the field of yarn production, in particular to a multi-station yarn bobbin which comprises two racks. The two racks are each of an annular structure and are arranged side by side, two symmetrically-arranged connecting blocks are fixedly installed between the racks, and positioning grooves are formed in the sides, close to each other, of the two racks and located at the two ends of the connecting blocks; two symmetrically-arranged lifting plates are arranged between the two racks, positioning air cylinders are fixedly installed at the two sides of each lifting plate, and the output ends of the positioning air cylinders are inserted into the correspondingly-arranged positioning grooves; when a conventional yarn bobbin is used for winding yarns, the efficiency is lower, and the wound yarns are easy to accumulate to cause mutual winding of the yarns; and the multi-station yarn bobbin is provided with a plurality of winding stations, so that winding and collecting of a plurality of yarns can be conducted at the same time, the problem that the efficiency is low when the existing yarn bobbin winds the yarns is solved, the yarns can be guided when the yarns are wound, and the problem that the yarns are accumulated is avoided.

The invention relates to a power plug-in piece. The power plug-in piece comprises a main body, wherein the main body is of a sheet structure; the cross section, vertical to the length direction, of the main body is in the shape of a rectangle; and the main body comprises a plug-in section, a positioning section and a connecting section which are connected in sequence, wherein the positioning section is internally provided with at least one first positioning block and at least one second positioning block, the side, close to the plug-in section, of the first positioning block is of a rectangular structure, the side, close to the connecting section, of the second positioning block comprises a guiding surface and a limiting surface, one end of the guiding surface is connected with the surfaceof the sheet structure, the other end of the guiding surface is a free end, the free end extends towards the direction of the plug-in section and gets away from the surface of the sheet structure gradually, and the limiting surface is connected to the free end and the surface of the sheet structure. In the power plug-in piece, by setting the bidirectional limiting structure, the phenomenon that the power plug-in piece is loosened or even falls off after repeated plug-in use can be avoided effectively.

The invention belongs to rod body connection design technologies and relates to a method for designing a rod body connecting mechanism with a positioning device. The rod body connecting mechanism is composed of a cantilever connecting rod (1), an upper joint (2), a rivet (3), a lower joint (4), a sleeve (5) and a connecting piece (6). The connecting piece (6) at one end of the rod body is firmly fixed by an operator, the connecting direction of the cantilever connecting rod (1) at the other end of the rod body can be controlled to be invariable, and due to matched connection between the upper joint (2) and the lower joint (4), the sleeve (5) is rotated to realize reliable positioning of the cantilever connecting rod (1), and the condition that the cantilever connecting rod (1) is loosened under the action of external force can be avoided. In addition, the rod body is totally connected by a fastener, high-temperature welded connection in the prior art is avoided, the difficulty of the manufacturing process is reduced, the precision is high, and the coaxiality between the rod body and the joint is high.

The invention relates to a novel internal winding machine. The internal winding machine comprises a main workbench, a driving base, and a winding seat which is used for placing a stator; a first bottom plate is arranged at the bottom of the driving base; the first bottom plate is provided with a first drive motor used for driving the drive base to move in the horizontal left-right direction on a rail of the first bottom plate. A first groove corresponding to the first driving motor is formed in the first bottom plate; a second bottom plate is arranged at the bottom of the first bottom plate; the second bottom plate is provided with a second driving motor used for enabling the first bottom plate to move in the horizontal front-back direction on a rail of the second bottom plate. A second groove corresponding to the second driving motor is formed in the second bottom plate. By arranging the first groove and the second groove, the gravity centers of the first driving motor and the seconddriving motor move downwards, the output shafts of the first driving motor and the second driving motor can avoid the bottom of the driving base and the first bottom plate respectively without arranging cushion blocks below the rails of the first bottom plate and the second bottom plate, so the equipment structure is more compact, and the equipment cost is reduced.