62results about How to "Fulfill design requirements" patented technology

A numerally controlled machine-tool for machining the magnetically levitating rail is composed of main body with 36 m in length, vertical column, mainshaft box, control system and manipulating station. It features its other units including three drive mechanisms for X, A and B axises, a slide seat of vertical column, a rotary seat of vertical volumn and a slide saddle moving along vertical column. The said mainshaft box is arranged to slide saddle. The said control system and manipulating station are connected to slide seat. Its advantage is high precision in whole length range of workpiece.

The invention discloses a metal plate bend preparing method, which comprises the following steps: adopting twice cold extrusion and metal cutting handling synthesis craft; realizing extrusion component appearance without circular arc angle (the bend external surface of component is right angle), wherein the thickness of metal plate is low steel with the thickness smaller or equal to 3mm, copper, copper alloy, aluminum and aluminum alloy and other low hardness non-ferro metals. The invention reduces the cost, which makes the production more delicate and beautiful.

The invention discloses a machining method for a small NdFeB magnetic ring with a high verticality requirement. A semi-finished small NdFeB magnetic ring product is obtained through the steps of grinding a small magnetic pillar in a centerless grinding mode, drilling an inner hole and cutting the thickness. Surface finishing is carried out on the upper surface and the lower surface of the semi-finished small NdFeB magnetic ring product through a high-precision two-surface grinding machine. Finishing is carried out on the outer diameter of the small NdFeB magnetic ring subjected to surface finishing through a high-precision centerless grinding machine. Finally, finishing is carried out on the inner diameter of the small NdFeB magnetic ring subjected to outer diameter finishing through an automatic bearing inner circle grinding machine. A machining allowance is reserved on the semi-finished small NdFeB magnetic ring product and then is eliminated through machining, and finally, the location degree of an inner hole of the small NdFeB magnetic ring relative to the outer diameter is smaller than 0.015 mm, and the verticality, measured with the inner hole as the benchmark, of the plane of the small magnetic ring is 0.01 mm-0.03 mm. The machining method for the small NdFeB magnetic ring with the high verticality requirement has the advantages that machining is achieved through mature automatic equipment, the machining method is simple, volume production of the small NdFeB magnetic ring can be realized, and the small NdFeB magnetic ring machined through the method can meet the verticality design requirement.

The device includes two identical and independent local oscillating circuits 1 and 2, a single-pole double-throw radio frequency switch, and a power supply control circuit. Local oscillator signals from local oscillator circuits 1 and 2 are insulated, gated and output. The power supply control circuit turns power supply of local oscillator circuit 1 to on and power supply of local oscillator circuit 2 to off; as well as turns power supply of local oscillator circuit 1 to off and power supply of local oscillator circuit 2 to on. The invention manages power supply of amplifier and keeps synchronization with switch so as to reduce signal leaking and radiation effectively, raise isolation and purity of two Local oscillator signals etc.

The invention relates to a fireproof type bus duct, particularly a fireproof type bus duct with heat dissipation rings. According to the fireproof type bus duct with the heat dissipation rings, coverplates are fixedly arranged at the upper and lower ends of the bus duct; side plates are fixedly arranged on the two sides of the bus duct; heat dissipation rings are fixedly arranged on the side plates; fixed screws are fixedly arranged on the cover plates; fixed gaskets are fixedly arranged on the corresponding fixed screws; a plurality of conductive plates are uniformly arranged in the bus duct; a fireproof filling layer with a rectangular section is fixedly arranged outside the conductive plates; an insulating layer is fixedly arranged outside the fireproof filling layer; and an electromagnetic shielding layer with a rectangular section is fixedly arranged outside the insulating layer. The fireproof type bus duct with the heat dissipation rings is low in cost, creative in design, and high in innovativeness, and the design requirement of the fireproof type bus duct with the heat dissipation rings can be better satisfied.

The invention discloses a connected node of a horizontal member and a foundation of a thin steel-plate shear wall, which belongs to the field of architectural construction engineering, and comprises a horizontal member (1) and a foundation of a thin steel-plate shear wall. The connected node disclosed by the invention is characterized in that anchoring members (2) which are uniformly arranged and welded at a certain interval along the lower length centerline of the horizontal member (1) at the bottom layer are vertically buried into the foundation, a shear key (3) is respectively welded on the front and rear side surfaces (parallel to the horizontal member (1)) of the anchoring members (2), and the shear keys (3) are uniformly arranged at a certain interval. The technical problem solved by the invention is to provide a new connected node, and the node greatly enhances the anchoring capacity (namely, pullout resistant capacity) of the anchoring members (2), thereby effectively balancing a tension field generated by a bottom thin steel-plate shear wall.

The invention discloses a profiled steel assembled composite floor slab and a construction method thereof. The profiled steel assembled composite floor slab comprises steel cross beams and forms, wherein the forms are arranged between the two adjacent steel cross beams, the forms are laid on the steel cross beams, a supporting component is arranged between every two adjacent forms, the two ends ofthe supporting components are located on the upper sides of the two steel cross beams and are fixedly connected with the two steel cross beams, the two sides of the supporting components are abuttedagainst the forms, and the height of the supporting components is larger than the thickness of the forms; and a reinforcing mesh is further laid above the forms, and concrete is poured above the formsand the supporting components, so that the concrete covers the steel cross beams, the forms, the supporting components and the reinforcing mesh, and therefore the composite floor slab is formed. According to the profiled steel assembled composite floor slab, the supporting components in the profiled steel assembled composite floor slab play a role in pipeline containing grooves while playing a role in supporting, so that the floor slab is simple in structure and convenient in construction on site, the forms are not prone to deform after the concrete is poured, the floor slab forming effect isgood, the forms are divided into small units to enable the forms to be modularized, the transportation and the installation are convenient, the construction efficiency is improved, and the profiled steel assembled composite floor slab is suitable for industrial mass production.

The invention relates to a floating type reciprocating compressor fault simulation test bench, wherein a main body structure of the floating type reciprocating compressor fault simulation test bench comprises an upper layer frame, a lower layer frame, a flexible support and a rigid support, the upper layer frame is used to fix a reciprocating compressor and a driver, the lower frame is directly fixed on the ground, or is fixed on an offshore production platform steel frame, a test bench support structure is formed by adopting a mode that the flexible support and a rigid stand column support are combined, the flexible support selects a spring or a hydraulic system, the rigid support uses a stand column support, stand columns use positive and negative screw thread structures, the height of the stand columns can be adjusted, and the stress state of the flexible support can be changed to achieve change of test bench support stiffness. The stand column support uses a self-lock structure, and the flexible support is provided with a guide column. The floating type reciprocating compressor fault simulation test bench can be used for the reciprocating compressor, further can be used for design, processing and installation of other large key mobile equipment on an offshore platform, and is used to solve the different problems of fault diagnosis and the design of supporting structures of offshore platform large mobile equipment.

The invention discloses a processing device for drilling and milling an inner cavity by refitting an ordinary horizontal lathe, which relates to the technical field of mechanical processing. It includes ordinary horizontal lathe, first three-jaw chuck, lathe guide rail, large pallet, middle pallet, 360° rotatable indexing plate, second three-jaw chuck, gear box, drilling and milling tool chuck The first three-jaw chuck and the lathe guide rail are installed on the ordinary horizontal lathe. The first three-jaw chuck is connected with the gear box through the first shaft. There is a middle support plate which can fix workpieces on the board, and a second three-jaw chuck is installed on the 360° rotatable index plate. The second three-jaw chuck is fixed to the gear box through the connecting rod, and the bottom of the gear box is The screw and the first nut are equipped with a drilling and milling tool chuck. The invention is fixed firmly, effectively realizes the inner cavity processing of the parts, realizes the product design requirements, has strong practicability, and is easy to popularize and use.

The invention provides an intelligent electric sofa bed, which is characterized in that a screw type motor arranged in a functional iron rack drives a slide slot frame composed of a pushing tube and a pushing embedded tube of a movement piece to move forwards and backwards, so that a seat bed body connected on the functional iron rack can be driven to move forwards and backwards, and three movable supporting points arranged on metal transmission pieces at the two sides of the bed body are driven to spread and contract, and therefore, a backrest bed body is pulled to ascend and descend, so as to realize erecting and falling of the backrest bed body, namely conversion between a sofa and a bed is realized. The intelligent electric sofa bed disclosed by the invention realizes a technology of spreading and flatly laying the sofa with single seat or more into the sofa bed, and achieves the purpose of converting the sofa with length of three seats and double seats into the bed; integration requirements of the sofa and the bed are achieved by the motor and the connected iron rack, especially a design idea that the sofa bed serves as a sofa in daytime and serves as a bed in night on appearance is achieved; the design requirements of various designers on sofa appearance can be realized; besides, on comfort level, a design process of a mattress is used for reference on the basis of the original sofa process, so that human feeling for sitting and sleeping achieves considering user requirements of balancing; and meanwhile, sleep quality is also ensured.

The invention discloses a vertical electric spring fish scale removing machine which comprises a conveying mechanism, a fish scale removing mechanism, a flushing mechanism, a transmission mechanism and the like, the conveying mechanism adopts a conveying roller form and comprises a front-section conveying roller, a middle-section conveying roller and a rear-section conveying roller, and the fish scale removing mechanism is composed of two groups of fish scale removing rollers and pressing rollers which are staggered and reversely arranged; and each fish scale removing roller is composed of a girdled roller body and a scaling cutter spring wound and welded on the roller body, and each pressing roller is composed of a pressing roller body, a pressure adjusting spring and a pressing roller seat. The whole vertical electric spring fish scale removing machine adopts a vertical structure layout, the shape is regular and stable, the vertical electric spring fish scale removing machine is conveniently applied to a fish processing production line, a spring type fish scale removing cutter can effectively remove fish scales and protect fish meat from being damaged, and a pressure adjustable compression roller ensures full and appropriate contact between a fish body and the cutter; and the conveying mechanism and the fish scale removing mechanism are driven by different motors, the performance is stable, and the reliability is high.

The invention relates to the technical field of pin shaft structure design, and particularly provides a bearing stop pin shaft for bearing and hinging between a first connecting piece and a second connecting piece. A hollow pin shaft body, a stop piece, a first check ring, a second check ring and a transmission piece are included. The hollow pin shaft body penetrates through the first connecting piece and the second connecting piece. A groove A is formed in one end face of the hollow pin shaft body, and a groove B is formed in the other end face of the hollow pin shaft body. The stop piece sleeves one side of the hollow pin shaft body and coaxially rotates with the hollow pin shaft body. An inner ring of the stop piece is provided with a protruding block A matched with the groove A. A stopboss is arranged on the first connecting piece and drives the stop piece and the first connecting piece to coaxially rotate. The first check ring is fixed to one side of the stop piece, the second check ring is fixed to the other side of the hollow pin shaft body, and the end face of the second check ring is provided with a protruding block B matched with the groove B. The transmission piece penetrates through the hollow pin shaft body, one end of the transmission piece is fixed to the first check ring and coaxially rotates with the first check ring, and the other end of the transmission piece is fixed to the second check ring and coaxially rotates with the second check ring.

The invention belongs to the technical field of displays, and particularly relates to a portable display. The display comprises a display panel, a driving chip and a flexible circuit board, the display panel comprises a display area, a display panel frame and a driving chip binding area, the driving chip is arranged in the driving chip binding area, and a part of driving chip Source signal output connecting lines in the driving chip or a part of driving chip Source output arrays in the driving chip are arranged on one side, close to the frame of the display panel, of the lower portion of the driving chip in a mixed mode and located between the driving chip gate output array and the driving chip input pin array. The display panel is suitable for display panels made of various materials, the size of a non-display area can be reduced, meanwhile, the narrow frame requirement of the portable display is greatly improved, the attractive and portable effects are achieved, and cost is saved.

The invention provides a cradle type storage conveyor. The cradle type storage conveyor includes a rack, a chain wheel position region, a lower position region, an upper position region, a motor, a main metal plate, and a transmission shaft; chain plates are arranged on an inner side of a guide metal plate; L-shaped supporting metal plates are arranged on the chain plates; axial long-bar-shaped holes are formed in the chain plates; chain plate connectors are arranged on two sides of the chain plates; the chain plate connectors are used for fixedly connecting the chain plates and attaching plate connectors; a round hole is formed in each of folded edges at two ends of the chain plates; outer cylindrical surfaces of key-free bushings and the round holes are connected through a clearance fit;the chain plates, the L-shaped supporting metal plates, rotation shafts, the chain plate connectors, the key-free bushings, second bearings with seats and shaft clamping springs form an accompanyingtooling. The beneficial effects of the invention are that on the basis of the action of gravity of a work piece, the design demand of the accompanying tooling in the chain wheel position area can be met by designing and calculating a geometrical relation between the center of gravity and the rotation axis of the accompanying tooling; and a simple structure of the accompanying tooling can be achieved through the key-free bushings.