36results about How to "Easy to pre-fix" patented technology

The invention discloses a power distribution cabinet illuminating device. The power distribution cabinet illuminating device comprises a cabinet body, a first spring, a fixed rod and a second spring;an installation groove is formed in the cabinet body; a storage battery is installed at the bottom of the installation groove; a cabinet door is rotationally connected to the opening side of the cabinet body, close to the installation groove; an LED lamp is installed at the top of the installation groove; a light shielding plate is fixed on one side, close to the LED lamp, of the cabinet body; anelastic switch groove is formed in the top of the cabinet body, close to the cabinet door; and an elastic switch is rotationally connected in the elastic switch groove. According to the power distribution cabinet illuminating device, the light shielding plate is arranged, the length of the light shielding plate is larger than the outer diameter of the LED lamp, and the horizontal height of the bottom of the light shielding plate is larger than the horizontal height of the bottom of the LED lamp, so that the light shielding plate can completely cover the outer side of the LED lamp; when the cabinet door is opened and the LED lamp is turned on, light is prevented from being irradiated to the eyes of a worker; and meanwhile, the LED lamp is used for illuminating the installation groove, so that the worker can operate a power distribution cabinet conveniently.

The invention discloses an assembly device of a radiator bracket of refrigeration equipment, and relates to the technical field of refrigeration equipment accessory processing. The device comprises aworkbench, a fixing seat, an assembly mechanism and a limiting mechanism, wherein the fixing seat is arranged on the workbench and is used for placing a bracket body, a negative electrode conductive head is arranged at the front end of the fixing seat, the assembly mechanism is positioned at one side of the fixing seat, the assembly mechanism is used for welding and fixing a rib plate on the bracket body and carrying out flanging treatment on two extended ends of the bracket body, and the limiting mechanism is connected with the assembly mechanism and is used for limiting the bracket body before the rib plate is welded. According to the device, the assembly mechanism can carry out flanging treatment on the bracket body while realizing welding assembly of the rib plate, and the two traditional independent working procedures are integrated together, so that the assembly efficiency is obviously improved, and the assembly precision is also improved due to adoption of mechanized operation.

The invention discloses a fabric rolling drum with a pressing plate provided with V-shaped clamping hooks. Fabric scraps can be conveniently prefixed to a reel through matching of the pressing plate arranged on the reel and a pressing groove, and the pressing plate can be better matched with the pressing groove through the V-shaped clamping hooks arranged on one side of the pressing plate at the same time; then the reel is driven to rotate through a rotary handle arranged at one end of the reel so as to make the fabric scraps be rolled to the reel and be tightly squeezed with sawteeth on the side walls of a long groove, so that the contact area between the fabric scraps and the reel is increased, the fabric scraps are pressed effectively and tightly, and slipping is prevented; and finally the rotary handle is locked. The structure is convenient to operate; fabric rolling is stable and reliable; slipping is avoided; time and labor are saved.

The invention relates to a PCB drilling mechanism. The PCB drilling mechanism comprises a drill rod main shaft, a liquid cavity mechanism, a clamping ring mechanism, a pressing rod mechanism, a starting mechanism, a fan cylinder and a metal ring, wherein four notches are formed in the middle of the drill rod main shaft, limiting plates are arranged in the notches, limiting balls are arranged on the outer walls of the limiting plates, the clamping ring mechanism comprises a clamping ring arranged in the middle of the drill rod main shaft in a sleeving mode, an annular cavity formed in the innerside of the clamping ring and a limiting hole formed in the inner wall of the clamping ring and used for being clamped on the limiting balls, four arm rods are welded to the outer wall of the clamping ring, and the pressing rod mechanisms are further inserted into the four arm rods. In this way, a glue solution is smeared in a drill hole, components can be fixed in advance and welded convenientlyafter being inserted, functionality is improved again, an inserting hole type connecting plate is arranged at the top of the liquid cavity mechanism, the connecting plate can be detached from a drillrod main shaft switch according to needs, which is suitable for occasions where the liquid cavity mechanism does not need to be filled with the glue solution, and the application is more flexible.

The invention relates to a fabricated formwork structure and a construction process thereof. The fabricated formwork structure comprises two semi-arc-shaped formworks, two first connecting frames andtwo second connecting frames; a fixing device is arranged between the first connecting frames and the second connecting frames and comprises a pre-fixing assembly, a plurality of first through holes,a plurality of second through holes, a movable plate and a plurality of connecting pipes, and sealing strips are arranged between the first connecting frames and the second connecting frames; drivingmechanisms are arranged on one sides of the first connecting frames, limiting mechanisms are arranged each connecting pipes, each of the limiting mechanism comprises a plurality of limiting blocks, adriving block and a screw rod, the opposite inner sides of each limiting block and each driving block are provided with inclined surfaces correspondingly, and the driving blocks are in threaded connection with the screw rods; and reset assemblies are arranged on the inner walls of the connecting pipes, and a transmission mechanism is arranged on one side of the movable plate. According to the fabricated formwork structure and the construction process thereof, by arranging the fixing device, the two semi-arc-shaped formworks can be conveniently fixed so that the labor intensity of operators canbe reduced.

The invention relates to an asphalt waterproof coiled material tearing performance detection method, which comprises the following steps of: S1, mounting two sets of clamping structures, wherein the two sets of clamping structures are oppositely arranged, each set of clamping structure comprises a connecting block and a clamping device, and the connecting blocks are fixed on the asphalt waterproofroll tearing performance detection machine, so that the clamping structure can be mounted; S2, mounting an asphalt waterproof coiled material, namely putting one end of the asphalt waterproof coiledmaterial on one side, close to the movable plate, of the fixed plate, then pre-fixing the end of the asphalt waterproof coiled material through a pre-fixing assembly, then driving the movable plate tomove in the direction close to the fixed plate through a driving mechanism, so that one end of the asphalt waterproof coiled material can be mounted, and mounting the other end of the bituminous waterproof sheet material in the above manner; and S3, carrying out a test, which is implemented by testing the asphalt waterproof coiled material through an asphalt waterproof coiled material tearing performance detection machine. According to the asphalt waterproof coiled material tearing performance detection method, the possibility that the asphalt waterproof coiled material falls off during detection can be reduced.

The invention refers to a lance holder with a protector for curved lances, in particular curved oxygen lances. Besides a clamping head 5 with a fixing member 6 and a clamping 7, the lance holder 1 used for an effuse 2, in particular for an oxygen lance is also provided with a prefixing member 15 responsible for fixing in advance the effuse 2 to be guided to the lance holder 1 such that when curved, the effuse 2 can not slide and in particular can not rotate in a center clamping member 31. In addition, the lance holder 1 has an output valve 53 and a non-return valve 11 of special types, and a column springs 10 or a non-return spring is arranged in a sealed member so as to avoid influence by gas. In addition, a necessary burn-back protective device 9 is taken out of a movement path of the effuse 2 to be inserted so as to be profitably arranged by protected areas.

The invention discloses a cooling forming device for wet tissue tube production, and relates to the technical field of plastic product forming cooling devices. The wet tissue tube cooling device comprises a fixing frame used for fixing a wet tissue tube and a cooling tank used for cooling the wet tissue tube. The fixing frame comprises a pair of supporting longitudinal beams arranged in parallel, a plurality of supporting cross beams arranged in parallel are arranged between the two supporting longitudinal beams, and a plurality of space units used for containing tissue tubes are formed through separation of the supporting cross beams. The bottom side faces of the two supporting longitudinal beams located at any space unit are each provided with a first telescopic rod, and a cross-shaped bottom plate is connected between the ends of the two first telescopic rods. A second telescopic rod is arranged on the bottom side face of any supporting cross beam. And conveying mechanisms A which are matched with each other are arranged on two opposite inner side walls of the cooling tank respectively. The wet tissue tube is placed through the fixing frame, and the wet tissue tube can be conveniently taken out after being immersed in cooling liquid.

The invention discloses a river point welding auxiliary device which comprises a base with the transverse cross section shaped like a Chinese character 'ao'. A transversely-arranged limiting groove isformed in the base. A first spring is fixedly connected to one side wall of the limiting groove. A movable sleeve is fixedly connected to one end of the first spring. A positioning pin is inserted into the movable sleeve. A Y-shaped block is fixedly connected to one side of the positioning pin. A driving device is arranged on the Y-shaped block. Due to the mutual effect of a corrugated pipe, a point welding pipe and other structures, when a column just makes contact with a beam, preliminary welding is achieved, workers can achieve follow-up repair welding, the device relies on river as motivepower, and use is more environmentally friendly and scientific.

A linear vibration motor which includes a housing having an accommodation space, a vibration unit accommodated in the accommodation space, an elastic member which suspends the vibration unit in the accommodation space and a driving unit which drives the vibration of the vibration unit, the housing comprises a casing and a cover plate arranged on the casing to enclose the accommodation space, the housing includes a bottom wall disposed opposite to the cover plate and a side wall surrounding the bottom wall, the cover plate includes a main body portion opposed to the bottom wall and an extensionportion extending from the edge of the main body portion to the outside of the casing, The linear vibration motor further comprises a first foam fixed on a side of the bottom wall remote from the accommodation space, a second foam fixed on a side of the cover plate remote from the accommodation space, and a double-sided adhesive fixed on a side of the extension portion close to the bottom wall. The linear vibration motor comprises a first foam fixed on a side of the bottom wall remote from the accommodation space, a second foam fixed on a side of the cover plate remote from the accommodationspace, and a double-sided adhesive fixed on a side of the extension portion close to the bottom wall. Compared with the related art, the linear vibration motor provided by the invention has better fixing effect.

The invention relates to the technical field of fused alumina zirconia mullite bricks, and discloses a fused alumina zirconia mullite brick for a hazardous waste rotary kiln and a preparation method thereof.The preparation method comprises the steps that aluminum oxide, alkali powder, zircon sand and other raw materials are added into an electric furnace, the raw materials are subjected to high-temperature oxidation melting, oxygen is blown into melt, then the melt is directly poured into a casting mold from the electric furnace, and after casting of a casting is completed, the fused alumina zirconia mullite brick is obtained; after cold contraction for a period of time, the melt is fully cast in a shrinkage cavity, and the casting mold is cooled in advance before casting, so that the temperature difference between the casting and the casting mold is increased, the width of a solidification area of the casting from the surface to the inside is reduced, the solidification shrinkage speed of the casting is slowed down, and the possibility of hot cracking when the core part of the casting is finally solidified is reduced; meanwhile, in the casting process, the outside of the casting mold is cooled, so that the situation that the temperature of the casting mold rises, material components of the casting mold are decomposed and gasified and chemically react with molten liquid is avoided, and the possibility that a pore layer appears on a casting or insufficient casting occurs is reduced.