53results about How to "Easy to replace if damaged" patented technology

The invention relates to a bridge anti-collision device of a composite material, which is characterized in that the bridge anti-collision device of the composite material is in a bar-shaped structure or an annular structure which is matched with the shape of a bridge, wherein the bar-shaped or annular structure is at least provided with an anti-collision unit (10) or at least comprises one anti-collision unit (10) and one connecting rod (12). The two adjacent anti-collision units (10) which are mutually connected are connected by a flange (4) and a bolt (5), and the connecting rods (12) are installed at both ends of one anti-collision unit (10) or are installed between the two anti-collision units (10) which are adjacent but not connected with each other so as to form the annular structure; each anti-collision unit (10) comprises a casing (11), a filling material (3) filled in the casing (11) and a canvas bag (7) which is installed at one side of the casing and is filled with a buffering material (6), the canvas bags (7) are connected with the casings (11) by pull ropes (8), anti-collision handrails (9) are also connected on the casings (11), and the casings (11) are also solid casings of the composite material or are in a structure comprising two layers of internal and external composite material surface layers (1) and a sandwich material (2). The invention has low cost, good anti-collision performance, greenness and environmental protection.

The invention discloses an atomization spray disc and a method for preparing narrow particle size alloy powder for additive manufacturing by gas atomization, and belongs to the field of powder preparation. The technical problem of low yield of preparation of narrow particle size alloy powder is solved. The atomization spray disc comprises a spray disc main body, a spray disc upper connecting bodyand a spray disc lower connecting body, wherein an annular seam is formed between the spray disc lower connecting body and the spray disc upper connecting body or an annular hole is formed in the spray disc upper connecting body. A method for preparing the narrow particle size alloy powder for additive manufacturing by gas atomization comprises the following steps that S1, fine particle size alloypowder with the median particle size of 60 micrometers or less is prepared by adopting an annular seam spray disc; coarse particle size alloy powder with the median particle size of 60 micrometers orabove is prepared by adopting an annular hole spray disc; S2, the parameters of the spray disc are determined; and S3, atomization technological parameters are determined. The method uses the atomization spray disc and has the advantages that the cost is low and the high-yield narrow particle size alloy powder is efficiently prepared.

The invention relates to a frame-hiding three-glass energy-saving sound insulating window and a manufacture method thereof. The sound insulating window is characterized by comprising a flat opening window sash (1) consisting of a hollow glass inner layer and a single glass outer layer, a fixed window sash (2) and a window outer frame (3), wherein a muntin (11) needs to be arranged between the flat opening window sash (1) and the fixed window sash (2) according to design style; the hollow glass (4) is fixedly connected with the flat opening window sash (1) by a seal adhesive tape (5) and a flat opening window sash press strip (6); the single glass (7) is fixedly connected with the outer side of the flat opening window sash (1) by a double-side adhesive tape (8) and silicone structure adhesive (9); the top surface of the window outer frame (3) is in flexible embedded seal connection with a wall body (10) by a polyurethane foaming agent; and the top surface of the flat opening window sash (1) is connected with a window frame by a stainless steel sliding support (12). The invention has the advantages of firm and durable structure, tensile resistance, high shearing strength, stable quality, high noise reducing and sound insulating performance, air tightness, high watertight performance, high heat preserving performance and attractive appearance.

The invention discloses a die of a blade for an air blower, which consists of a plurality of sections of dies. The different sections of the dies are connected through a combination device, so that blades with different sizes are manufactured. The die divides a blade die into four sections, and each section comprises a plurality of options. By changing the sizes of a blade point die, a blade middle part die and a blade root die, the die can be used for manufacturing the blade with the other size from the manufacturing of the blade with one size. Meanwhile, at the beginning of a die manufacturing process, the manufacturing process of the blades with one or two sizes can be covered, and then blade assemblies with corresponding sizes can be additionally arranged according to the production demands. The die provided by the invention has the beneficial effects that the blades with the multiple sizes can be manufactured by one set of die, so that the cost is reduced; the die manufacturing space can be saved; and the die is convenient to transport.

The invention discloses a storage box. The storage box comprises a box body with an upper end and a lower end, the box body comprises side walls which are hinged to each other in sequence, the box cover is hinged to the upper end and the lower end of each side wall, and the connecting shaft is used for hinging the side wall and the box cover. The storage box, the side wall and the box cover are hinged to each other, when the storage box is not used, the box opening cover can be opened, the whole storage box can be directly folded, storage and storage are facilitated, the problem that a large amount of space is occupied when empty boxes are stored is solved, four box covers are arranged at the upper end and the lower end of the box body, the box cover at the lower end of the box body is sealed by an adhesive tape and the like, so that the box body with the bottom sealing opening is formed, objects are loaded into the box body, then the box cover at the upper end is covered, the box cover close to the inner side of the box body can be used for supporting the box cover on the outer side, and the box cover on the outer side in the stacking process is not prone to deforming and pressingobjects in the box body.

The invention provides an ocean pier system for protecting a ship body by adopting a yawing mechanism, which belongs to the technical field of overwater building safety protection. The system comprises a pier, ring fixed connection ring rib plates, a connection fixing rotating rod, a fixing nut and anti-collision rotating barrels, wherein three layers of the ring fixed connection ring rib plates are arranged on the outer ring of the pier; a plurality of anti-collision rotating barrels are arranged between every two adjacent ring fixed connection ring rib plates; barrel end plates are respectively arranged at the upper end and the lower end of the anti-collision rotating barrel; and the outermost layer of the anti-collision rotating barrel is provided with a barrel outer wall, and the innermost layer is provided with a barrel inner wall. The system has the advantages that the anti-collision rotating barrel is convenient and fast to install, a single unit is convenient to replace when damaged, the arranged anti-collision rotating barrels can effectively play a role in shock absorption and energy consumption, impact force generated by collision is reduced, and energy exchange and vibration reaction between a ship body and a pier are remarkably reduced.

The invention discloses a steel rolling workpiece cooling device, and belongs to the technical field of steel rolling cooling equipment. The steel rolling workpiece cooling device is used for coolinga steel rolling workpiece, according to the technical scheme, a base is arranged below a steel rolling conveying belt, two side protecting plates are located on the two sides of the steel rolling conveying belt respectively, the lower ends of the two side protection plates are vertically connected with the base, the upper ends of the two side protection plates are connected with the bottom of thewater tank, a plurality of drainage grooves which are arranged in parallel and are discharged downwards are formed in the steel rolling conveying belt between the two side protection plates, the innerwall of the base is fixedly connected with a flow guide tank, the upper end of the flow guide tank is opposite to a drainage groove in the steel rolling conveyor belt, the bottom of the flow guide tank is fixedly connected with the upper end of the water storage tank, the bottom of the water storage tank is connected with the water pump, the water pump is connected with the water tank through a water delivery pipe, a plurality of cooling pipes are arranged on the bottom surface of the water tank, and a plurality of high-pressure atomizing nozzles are respectively arranged on the cooling pipes. So that the quality of the product is ensured, the cooling water can be recycled, so that the utilization rate of the cooling water is improved.

The pier fluid anti-collision device includes the main body of the pier, the main body of the anti-collision device, the anti-collision steel pipe, the protective layer, the water-permeable energy-consuming block, and the composite floating body. Composite floating body; the main body of the anti-collision device includes an inner shell, an anti-collision steel pipe, a protective layer, a water-permeable energy-dissipating block, and an external shell. The inner layer of the innermost water permeable energy consumption block is provided with an inner casing, and the outer layer of the outermost water permeable energy consumption block is provided with an outer casing. The beneficial effects of the present invention are: since the impact of small boats on the pier is generally concentrated on the water surface, when the device is in use, the composite material floating body is connected to the main body of the anti-collision device, so that the main body of the anti-collision device floats on the water surface, and the main body of the anti-collision device floats on the water surface. It automatically rises and falls, so the position of the protected pier changes with the water level.

The invention discloses a steel casing, a full casing full rotary drilling machine and a drilling method for the drilling machine. The steel casing comprises a steel casing body, gear beds, gear sleeves and fasteners. The plurality of gear beds are embedded in the pipe wall at one end of the steel casing body and provided with the gear sleeves for cutting, and the gear beds and the gear sleeves are connected fixedly through the fasteners. Each gear sleeve includes an inner gear sleeve and an outer gear sleeve, the diameter of the circle of the outer contour line of the top of the outer gear sleeve is larger than the outer diameter of the steel casing, and the diameter of the circle of the inner contour line of the top of the inner gear sleeve is less than the inner diameter of the steel casing. The full casing full rotary drilling machine includes the steel casing. According to the drilling method for the full casing full rotary drilling machine, mud is filled between the outer wall ofthe steel casing and an obstacle during the drilling process. The gap between the obstacle and the outer wall of the steel casing is greatly increased, and the penetration speed is increased. At thesame time, the gear sleeves can be replaced, the maintenance cost is reduced, and the life of the steel casing is prolonged.

The invention discloses an electrical method monitoring device suitable for true triaxial loading, which comprises an electrode mounting plate fixed on a loading plate, and a plurality of threaded holes which are used for mounting electrode bodies and are uniformly distributed in a rectangular array are formed in the electrode mounting plate; a plurality of wire grooves used for connecting end points of the threaded holes in the same column or the same row in series are formed in the side face, attached to the loading plate, of the electrode mounting plate, and the two ends of each wire groove extend to the edge of the electrode mounting plate. By adopting the device and the method, the electrical change characteristics of the rock sample in the whole loading damage process can be monitored in an omnibearing and three-dimensional manner.

The invention provides an automatic lifting type seaborne bridge pier collision preventing device and belongs to the technical field of water building safety protection. A soft pier face adjoining anddamping protection layer is installed on the outer wall of a bridge pier. An inner ring damping soft steel cylinder is connected to the outer wall of the soft pier face adjoining and damping protection layer. An outer ring collision preventing soft steel cylinder is arranged on the outer wall of the inner ring damping soft steel cylinder. End portion ring-shaped sealing plates are arranged at theupper ends and the lower ends of the outer ring collision preventing soft steel cylinder and the inner ring damping soft steel cylinder. The end portion ring-shaped sealing plates, the outer ring collision preventing soft steel cylinder and the inner ring damping soft steel cylinder define an area. According to the collision preventing device, the inflating capacity for increasing and floating aninflating outer bag body, the filling amount for filling damping sand layers and the arrangement number of light foam aluminum structure layers are set in a matched manner and determined according tothe actual situation, it is ensured that the overall ship collision preventing device body can float on and under the water surface and automatically ascend or descend along with rising and falling of torrents, and therefore the position of protected piers changes along with the water level.

The invention relates to a friction soft steel composite damper and an assembly method thereof. The friction soft steel composite damper comprises two dumbbell-shaped members, a circular friction plate, soft steel bars and high strength bolts, and the dumbbell-shaped members comprise cylinders. Roof plates and bottom plates which are coaxial with the cylinder are arranged at the upper and lower ends of the cylinders, bolt holes are evenly formed in the peripheries of the outer sides of the roof plates and the bottom plates, the circular friction plate is arranged between the bottom plates of the two dumbbell-shaped members, and through holes are evenly formed in the periphery of the outer side of the circular friction plate. The through holes correspond to the bolt holes in the bottom plates in a one-to-one mode, and the roof plates of the two dumbbell-shaped members are connected and fixed to the upper end and the lower end of an isolation structure through the high strength bolts penetrating through the bolt holes formed in the roof plates. The soft steel bars penetrate through the through holes and the bolt holes corresponding to the through hole in the two roof plates, and thetwo dumbbell-shaped members are connected and fastened to the circular friction plate though screw nuts by both ends of the soft steel bars. According to the friction soft steel composite damper, construction is convenient, maintenance and damage replacement after an earthquake are facilitated, two kinds of energy dissipation mechanisms of yield energy dissipation and friction energy dissipation of soft steel are adopted, and the energy dissipation effect is remarkable.

The invention relates to the technical field of power distribution cabinets, and especially relates to a power distribution cabinet with an anti-theft function and for intelligent community power distribution engineering. The power distribution cabinet comprises an embedded groove formed in a wall body, a power distribution cabinet body is arranged in the embedded groove, and a sealing gasket used for filling a gap between the embedded groove and the power distribution cabinet body is arranged on the inner wall of the embedded groove through a fixing strip. Mounting seats are arranged on opposite side walls in the power distribution cabinet body through a group of hexagon socket screws, clamping mechanisms used for clamping the power distribution cabinet body into the embedding grooves are arranged on the surfaces of the mounting seats in a penetrating manner, limiting mechanisms are arranged between the clamping structures and the surfaces of the mounting seats, and an isolation plate is arranged in the power distribution cabinet body. By rotating the second gear, a reverse screw rod drives two clamping rods to move oppositely to get close to and get away from the clamping holes, so that the operation is more convenient during disassembly and assembly, the process of mounting and connecting by using bolts and expansion screws is omitted, the disassembly and assembly efficiency is improved, and later damaged replacement of the power distribution cabinet body is also facilitated.

The invention discloses a lifter for a lead cup of a high-position plate casting machine. According to the lifter, the lead cup (2) is positioned below a lead inlet pipe (1); and the lifter is arranged on the lead cup (2) and comprises levers (4), a spring (6), a fixing plate (7) and a cylinder (8), wherein middles of the two levers (4) are arranged on the fixing plate (7) by a guide pillar (5); stainless steel rods (3) are welded to two sides of the lead cup (2) respectively and are clamped at the front ends of the levers (4); the tail ends of the levers (4) are connected with the fixing plate (7) by the spring (6); and the cylinder (8) is arranged on the tail part of the fixing plate (7). The lifter is simple in structure, convenient to operate, high in continuous production of a workshop, low in labor intensity of workers and small in reject ratio of products, and the lead cup does not form a break and is stable in lead addition amount.

The invention discloses an electric wire pay-off device. The electric wire pay-off device comprises a horizontally-arranged rectangular main body support, angle steel is arranged on the four corners of the rectangular main body support, steel plates are arranged on the four corners of the bottom side of the rectangular main body support, two directional wheels are arranged on one side of the bottom of each steel plate, two universal wheels are arranged on the other side of the bottom of each steel plate, a pay-off device frame is arranged in the position, located on the side of the directional wheels, of the top of the rectangular main body support, and galvanized square steel is arranged between the middle of the pay-off device frame and the middle of the rectangular main body support. The electric wire pay-off device has the characteristics of being multipurpose, time-saving and labor-saving.