55results about How to "Improve bearing effect" patented technology

The invention discloses a multipurpose cap-shape valve respiratory valve, comprising a valve seat, a valve core and a fixed sleeve; the valve core is of cap shape and made of elastic rubber; the cap rim of the valve core is fixed between the valve seat and the fixed sleeve; the cap body is sheathed in the central hole of the valve seat or the fixed sleeve; furthermore, the top of the cap of the valve core is provided with at least two lancings so that at least one valve clack is formed at the top of the cap. the lancings are distributed all around in a radial pattern from the axle center projected at the top of the cap to form a taper angle shape valve clack, or a C shape, V shape, U shape or opening polygon shape valve clack to cause the end part projected at the top of the cap to form a flip-shell valve clack or cause the lateral side projected at the top of the cap to form at least two valve clacks. The invention has the advantages of simple structure, few faults, long service life, low manufacturing cost, multiple functions and extensive usage, is favorable for environment protection, and has good social and economical benefits.

The invention relates to the technical field of special-shape aircraft bay connecting section, and particularly discloses a special-shape missile bay section connecting structure for sectional fairing deploying. The special-shape missile bay section connecting structure comprises a guide bay metal shell, a warhead bay metal shell and a bay body adapter ring, wherein the bay body adapter ring is of a step-shaped cylinder structure, and is fixedly connected with the guide bay metal shell through a thread structure, the left cylinder wall of the bay body adapter ring and the guide bay metal shell are fixedly connected through an anti-loosening pin, the warhead bay metal shell is matched with the end surface of the guide bay metal shell, the inner wall of the warhead bay metal shell is matched with the right cylinder wall of the bay body adapter ring, and the warhead bay metal shell and the bay body adapter ring are fixedly connected through a connecting pin. The special-shape missile bay section connecting structure has the advantages that the problems of failure of loosening prevention of bay section large threads and the nonuniform butting surface of the special-shape bay body are solved; compared with the flap type quick connecting, the bearing property of the butting surface is good, the gap of the butting surface is avoided, and the implementation of manufacturing technology is easy.

The invention provides a cable for a charging facility of an electric automobile, and belongs to the field of wires and cables. The cable comprises a cable core and a sheath layer positioned at the outside of the cable core, the cable core comprises power lines and a signal line pair, and the power lines and the signal line pair are positioned in the sheath layer. The cable is characterized in that the cable core also comprises a cable core support skeleton, the cable core support skeleton is positioned in the sheath layer with the power lines and the signal line pair, the cable core support skeleton is provided with a group of support skeleton wings, the group of support skeleton swings are distributed in a radiation manner in the direction of the cross section of the cable core support skeleton and extend towards the length direction of the cable core support skeleton, each two adjacent support skeleton wings form a totally-closed or semi-closed conducting wire separating chamber whose cross section is in a sector shape, and the power lines and the signal line pair, which are respectively separated by the support skeleton wings, are distributed in the conducting wire separating chambers. According to the cable, the service lifetime of the cable is extended, and the softness, the flexibility, and the lightness effect of the cable can still be well reflected.

The invention discloses a mounting device of a street lamp. The mounting device is characterized by comprising a base, a supporting piece I, a supporting piece II, a driving device I and a driving device II, wherein the base is in a concave shape, one end of the supporting piece I is hinged to the base, the other end of the supporting piece I is hinged to one end of the supporting piece II, one end of the driving device I is hinged to the base, the other end of the driving device I is hinged to the supporting piece I, the driving device I can drive the supporting piece I to rotate, and the twoends of the driving device II are hinged to the supporting piece I and the supporting piece II. The invention further discloses a mounting method of the street lamp. According to the mounting deviceand the mounting method, the street lamp can be mounted, the safety of the mounting process is higher, accidents can be effectively avoided, and the safety of workers is guaranteed.

The invention provides a metal rubber honeycomb composite soft sandwich component preparation structure and a method thereof. The metal rubber honeycomb composite soft sandwich component preparation structure includes a vacuum brazing furnace and a tooling fixture, the tooling fixture comprises a base and a support fixed to the base, a pressure plate is arranged above the base, and the support ismatched with an adjusting bolt in a threaded mode. The designed metal soft sandwich structure part is metal skin, the middle layer is a metal honeycomb core, metal rubber is clamped between the metalskin and the middle layer metal honeycomb core, under complex dynamic load, the elastic porous metal rubber mainly has the effect of damping vibration reduction, and a metal honeycomb core structure in the middle plays the role of impact resistance and energy absorption; and in addition, the metal soft sandwich structure further has the structural characteristics of light weight structure, sound absorption and thermal protection and the like. The preparation device is used for realizing the metallurgical and solid interface combination of an interface of the metal soft sandwich structure partunder the vacuum hot pressing brazing technology, and the comprehensive mechanical properties and environmental adaptability of the whole structure part are improved.

The invention relates to the technical field of special-shape aircraft bay connecting section, and particularly discloses a special-shape missile bay section connecting structure for sectional fairing deploying. The special-shape missile bay section connecting structure comprises a guide bay metal shell, a warhead bay metal shell and a bay body adapter ring, wherein the bay body adapter ring is of a step-shaped cylinder structure, and is fixedly connected with the guide bay metal shell through a thread structure, the left cylinder wall of the bay body adapter ring and the guide bay metal shell are fixedly connected through an anti-loosening pin, the warhead bay metal shell is matched with the end surface of the guide bay metal shell, the inner wall of the warhead bay metal shell is matched with the right cylinder wall of the bay body adapter ring, and the warhead bay metal shell and the bay body adapter ring are fixedly connected through a connecting pin. The special-shape missile bay section connecting structure has the advantages that the problems of failure of loosening prevention of bay section large threads and the nonuniform butting surface of the special-shape bay body are solved; compared with the flap type quick connecting, the bearing property of the butting surface is good, the gap of the butting surface is avoided, and the implementation of manufacturing technology is easy.

The invention discloses a supporting pile tensioning device. The supporting pile tensioning device comprises a tensioning drive mechanism (01), a locking mechanism (02) and a pretensioning mechanism (03), wherein the locking mechanism (02) is used for locking prestressed tendons at the rear ends of pile molds (1), and the pretensioning mechanism (03) is used for pretensioning prestressed tendons at the front ends of the pile molds (1); the pretensioning mechanism (03) comprises a connecting plate (31), a front anchor plate (32) and a plurality of connecting rods (33) which are used for connecting the front anchor plate (32) and the connecting plate (31), a drive output rod (14) of the tensioning drive mechanism (01) is connected with the connecting plate (31), and the prestressed tendons at the front ends of the pile molds (1) are anchored on the front anchor plate (32). The supporting pile tensioning device can be used for tensioning solid supporting piles and is compact and reasonable in overall structure and reliable in tensioning.

The invention relates to construction methods, in particular to a thin-wall square box rib-free and accurate positioning hollow floor construction method. The problem that displacement is caused due to application of a thin-wall square box to a top board of a garage is solved. The construction method includes the steps that a form board support is built; a floor form board is fixed to the form board support; board lower steel bars and hidden beam steel bars are tied; anti-floating iron wires are arranged; the upper ends of the anti-floating iron wires are connected with the lower steel bars, and the lower ends of the anti-floating iron wires are connected with the form board support; a thin-wall square box is placed in a determined position; anti-floating steel bars are arranged above thethin-wall square box; tension bars are disposed between the anti-floating steel bars and the board lower steel bars; positioning steel bars are installed on the two sides of the thin-wall square box;the lower ends of the positioning steel bars are connected with the board lower steel bars; board upper steel bars are installed; the positioning steel bars are connected with the board upper steel bars; and finally concrete pouring is performed. Through the scheme, the thin-wall box can be tied to the steel bars in the top board of the garage and is completely fixed, displacement in the horizontal direction and the vertical direction cannot occur, the structural distribution is uniform, the stress is balanced, and the force-bearing effect is good.

The invention discloses a plug disc type steel rope joint for material conveying. The plug disc type steel rope joint comprises a left connecting part, a right connecting part, an inner clamping sleeve and an outer hoop sleeve, wherein the left connecting part and the right connecting part are axial pieces, and are provided with conical inner cavities for inserting in steel ropes; small-port endsof the conical inner cavities are the tail end of the left connecting part, and large-port ends are the front end of the left connecting part; the outer side peripheral surface of the front end is a curved surface; the inner clamping sleeve consists of two or multiple inner clamping sleeve part bodies capable of axially assembling as a cylindrical sleeve body; the left end of the assembled cylindrical sleeve body sleeves the front end of the left connecting part, and the right end sleeves the front end of the right connecting part; the middle part is hollowed, so that a gap is formed between the front end surface of the left connecting part and the front end surface of the right connecting part; an inner sleeve surface of the left end of the assembled cylindrical sleeve body is a curved surface closed with the front end curved surface of the left connecting part, and an inner sleeve surface of the right end is a curved surface closed with the front end spherical surface of the right connecting part; and the outer hoop sleeve sleeves the closed inner clamping sleeve in an axial limiting mode.

The invention relates to the technical field of aerospace, and in particular relates to a satellite support and a carrier rocket. The satellite support comprises a first force bearing structure on which a satellite is arranged, a second force bearing structure which is arranged on the outer side of the first force bearing structure and is suitable for being connected with a control cabin of the carrier rocket, and a connecting structure which is arranged between the first force bearing structure and the second force bearing structure, and the two ends of the connecting structure are connected with the first force bearing structure and the second force bearing structure respectively; the first force bearing structure, the second force bearing structure and the connecting structure are integrally formed. The first force bearing structure, the second force bearing structure and the connecting structure of the satellite support are integrally formed, so that the satellite support only comprises a necessary main body structure, other connecting structures for connecting the main body structure do not need to be additionally arranged, the number of parts is reduced as much as possible, the overall size of the satellite support is reduced, and overall assembling procedures are reduced; the assembly is simple, the weight of the satellite support is reduced, and the overall carrying capacity of the carrier rocket is improved.

A large-scale split installation mouse cage type bearing framework relates to a mouse cage type bearing framework and solves the problem that the coaxial error of an upper mounting plate is caused due to threaded connection of a height adjusting device for the upper mounting plate and the level of the mounting plate can not be ensured. The bearing framework comprises an upper bearing framework and a lower bearing framework, wherein a bearing board, a mounting baseplate and a first base, which are arranged on the upper bearing framework, are sequentially, parallelly and coaxially arranged from the top down, are coaxial and are connected through upper framework supporting rods; six-dimensional force sensors and mechanical component mounting plates are sequentially mounted at the axle center at the lower end of the mounting baseplate; every upper framework supporting rod is provided with a guiding seat mounted on the mounting baseplate; a second base and an upper connecting plate, which are arranged on the lower bearing framework, are parallelly and coaxially arranged up and down and are connected through six lower framework supporting rods; the upper bearing framework is arranged above the lower bearing framework. The bearing framework is suitable for bearing parts for assembling large-scale equipment.