43results about How to "Improve deformation strength" patented technology

A frame piece for a rack of a switching cabinet, which has a profile outside and a profile inside, the transitions of which lie at a distance from an outside corner edge of the rack and form a free space with the profile outside to the outside corner edge, for swinging a cabinet door and introducing edges of abutting paneling elements. A frame piece with many possibilities of variation with respect to fastening planes, fastening directions and stability is created according to this invention, because the frame piece is designed as having mirror image symmetry in cross-section with respect to an axis of symmetry which is at an angle of inclination to the rack diagonal. On both sides of the rack diagonal with the profile inside and profile outside, there are at least two profile sections that are at an angle with respect to one another, at least a part of which has fastening seats.

Disclosed is a press forming method press forming a workpiece between a die and a punch, while pushing the punch into the die by means of a relative motion of the die and the punch, the method includes: producing an intermediate molding (100B) having ridges (100d) formed in predetermined parts of the workpiece, and then press forming the intermediate molding (100B) into a final shape, to thereby substantially thicken and work-harden the predetermined parts of the workpiece.

A fire hole part structure of a gas burner, which is constructed to be manufactured at a low cost, can improve flame stability, and can prevent incomplete combustion due to the length of flame. The structure is provided to a premixing ignition burner, which is installed to apply heat to a heat exchanger of a boiler, and includes fire hole pieces which are installed parallel to one another in mounting openings of a burner body, and each of which is defined with fire holes at regular intervals. An upper wall of at least one of the fire hole pieces is bent or curved to extend in at least two directions, and the fire holes are defined through respective surface portions of the upper wall, which extend in different directions, to face different directions.

An anti-collision component consisting of a metal hollow profile for automobiles includes a collision side flange, a body side flange, and a web connected to the flanges. The hollow profile has a longitudinal end at which a cross-sectional configuration is deformed by swaging to reduce a dimension between the flanges. The following relations are established:

t_W>T_W

R_CI≧(t_W-T_W)

• • where t_W is a wall thickness of the web at the end, T_W is a wall thickness of the web at a portion where the cross-sectional configuration is not deformed, and R_CI is an inside corner radius of a corner formed of the web and each flange at the portion.

The invention discloses a suspension point contact type supercritical extraction device. The invention belongs to the technical field of supercritical extraction. A hanging basket static extraction mode in a traditional extraction kettle can be abandoned; the deformation characteristic of an empty throwing material receiving film is utilized; contained materials are shaken and thrown in the air; apowdery material is promoted to keep a dispersed suspended state; then, supercritical fluid sequentially passes through a limited space to be in full contact with the materials; the extraction rate of effective substances is obviously improved; through the characteristics of the empty throwing material receiving film and the assisting action of an assisting hanging piece, on one hand, the material dispersion effect is improved, meanwhile, the posture can be changed by overturning, the material is in contact with the supercritical fluid, the materials are fully extracted, and extraction dead corners are not prone to occurring; on the other hand, the situation that the extraction effect is affected due to the static adhesion phenomenon of the powdery materials can be avoided; the one-way extraction rate of the materials can be greatly increased, and the extraction efficiency is greatly improved.

A method of joining two metallic members of different melting points piled on each other, which enables obtaining stable joined part quality and enables junction of large metallic members of complex configuration. Two or more metallic members (aluminum member (101) and copper member (102)) are joined to each other through a process comprising arranging two or more metallic members (aluminum member (101) and copper member (102)) so that these are piled on each other in the order of highness of melting point and moving the circumferential face of tool main body (103a) of disk-shaped junction tool (103) capable of rotating in the circumferential direction, while in the piling portion pressing the same in the surface (102a) of metallic member (copper member (102)) having the highest melting point among those of the metallic members, along the surface (102a) of metallic member (copper member (102)).

A method of joining two metallic members of different melting points piled on each other, which enables obtaining stable joined part quality and enables junction of large metallic members of complex configuration. Two or more metallic members (aluminum member (101) and copper member (102)) are joined to each other through a process comprising arranging two or more metallic members (aluminum member (101) and copper member (102)) so that these are piled on each other in the order of highness of melting point and moving the circumferential face of tool main body (103a) of disk-shaped junction tool (103) capable of rotating in the circumferential direction, while in the piling portion pressing the same in the surface (102a) of metallic member (copper member (102)) having the highest melting point among those of the metallic members, along the surface (102a) of metallic member (copper member (102)).

The invention discloses a lithium ion battery plastic casing, a lithium ion battery, and a manufacturing method of the lithium ion battery plastic casing and the lithium ion battery. The lithium ion battery plastic casing comprises a main body and a cover plate; the main body and the cover plate are prepared via injection moulding of a modified polypropylene material comprising 35 to 76.9% of polypropylene, 3 to 7.5% of a mineral filler, 15 to 20% of glass fiber, 5% of grafted polypropylene, and 0.1 to 2.5% of a processing accessory ingredient. The lithium ion battery comprises the lithium ion battery plastic casing. The manufacturing method of the lithium ion battery comprises following steps: 1, the modified polypropylene material is subjected to injection moulding so as to obtain the main body and the cover plate; 2, a battery cell is packaged with the main body, the cover plate is arranged at an opening of the main body, and sealing is carried out via heat melting welding. The lithium ion battery plastic casing is simple in structure, low in production cost, smooth in appearance, uniform in color, high in strength, low in weight loss, excellent in aging resistance, and long in service life; no obvious fiber exposure is observed; and deformation is not easily caused.

The invention discloses a pipe burying structure capable of reducing pipe top vertical loads and a construction method for the pipe burying structure. The construction method comprises the steps of S1, digging a pipe groove and a backfill groove above the pipe groove and digging at least one step on two side walls of the backfill groove; S2, laying pipes in the pipe groove and completing port welding of the pipes; S3, filling earth in the pipe groove, and compacting and flattening the filled earth to the pipe top elevation; S4, laying a degradable material interlayer above the top of the pipe, wherein the degradable material interlayer is disposed below a transverse step plane of the lowest layer of steps; S5, filling earth into the backfill groove and compacting the earth. According to the pipe burying structure and the construction method for the pipe burying structure, an soil arch effect and backfill groove side wall friction can be used for obviously reducing the top pressure of the pipes, and the pipes are protected from being fractured and damaged. The construction process is simple, costs of used materials are low, and the construction method has a good application prospect and a wide generalization performance and applicable to open digging burying of underground shallow buried pipes.

The invention discloses an earthquake-resistance shock-absorption damping device for a building. The earthquake-resistance shock-absorption damping device is characterized by comprising an upper connecting part, a buffer part and a lower connecting part, wherein the upper connecting part comprises a plurality of layers of steel plates, channel steel, an earthquake monitoring alarm device and expansion bolts; the plurality of layers of steel plates are connected with the channel steel by welding; the earthquake monitoring alarm device is mounted on the channel steel; the upper connecting part is fixed with the building by connecting through the expansion bolts; the buffer part is mounted between the upper connecting part and the lower connecting part by welding; the lower connecting part is fixed with the building by connecting through the expansion bolts; the earthquake monitoring alarm device can be used for timely finding occurrence of an earthquake and earthquake intensity; and the buffer part is great in deformation strength and is clear in stress. The earthquake-resistance shock-absorption damping device is creative design scheme, and is beneficial to popularization and application.

The invention discloses an upper beam, a helicopter airframe adopting the upper beam and a helicopter. The upper beam is a U-shaped component formed by two straight rod parts which are parallel to each other and a bridge joint part for connecting one ends of the two straight rod parts. The airframe is of a damping structure formed by mutual connection of an upper frame and a tripod through an engine assembly and a damper, the upper frame is of a rigid structure formed by the upper beam, a front beam, an upper bearing beam, supporting rods and a tail pipe through two pairs of middle beams with five connecting supporting arms, and three of the supporting rods are connected with three of the middle beams. A gearbox is positioned on the upper bearing beam. The airframe has the beneficial effects of being simple in structure, easy to manufacture, cost-saving, light in weight, good in rigidity, excellent in damping performance, easy for disassembling, assembling and maintenance, and the like.

The plastic plate forming and setting process includes extrusion plastic plate, cooling to form, and post heating and setting treatment. In the post heating and setting treatment, the plastic plate is heated to certain temperature and maintained for one period, and this makes the plastic molecule arrangement formed in the extrusion altered, eliminates the residual stress caused in the heating extrusion and strengthens the molecular structure of the plastic plate. The present invention raises the heat resistance and reduces the deformation caused by ambient temperature change of the plastic plate.

The invention discloses a foam material or soft material dynamic performance measurement method, for the foam material or soft material dynamic performance measurement. First, divide the transmission pole of the Hepuxinsen strut into two sections, and then take a thickness of 10-60 mum piezoelectric film, and affix the micron-level insulation membrane on its both sides, and then paste the piezoelectric film with insulation membrane sandwiched between two transmission poles, and the section of the transmission pole near the specimen is equipped with a one-way limiter in the center, and the one-way limiter is fastened with the transmission pole by the clip fixture; put another section of the transmission pole close to fixed stationary energy absorber through the rubber pad, and the rubber pad modulates the pre-tension through the piezoelectric film; electrical connect the piezoelectric film output electrode and the impedance converter; add sample loading, and through the output of impedance converter to obtain foam material or soft material dynamic force or stress force value. The invention uses the piezoelectric film, making dynamic performance measurement of foam or soft material simple and easy, and with high measurement sensitivity.

The invention discloses an assembly structure for improving the service life of a molybdenum sheet heat preservation screen, which comprises a plurality of mutually overlapped molybdenum sheets; each single molybdenum sheet is divided into a hollow zone, an inner zone, a middle zone and an outer zone sequentially from the center to the outside, wherein a reinforcing crossers is arranged at the middle zone, a plurality of inner support roller mounting holes and outer support roller mounting holes are respectively and annularly distributed in the inner zone and the outer zone of the molybdenum sheet, and inner reinforcing crossers and outer reinforcing crossers are respectively arranged at the inner support roller mounting holes and the outer support roller mounting holes. By changing the existing assembly manner, the deformation strength of each single molybdenum sheet is improved, the deformation strength of the original clearance zone between every two adjacent molybdenum sheets is enhanced, the possibility of deformation is low when a crucible and the molybdenum sheet heat preservation screen are attached at a high temperature state, the service life of the molybdenum sheet heat preservation screen is effectively improved, and the production cost is reduced.

The invention relates to a reinforcing gear. The reinforcing gear comprises a connecting sleeve ring, a flange is arranged on the outer side of the connecting sleeve ring, a connecting block is arranged on the outer side of the flange, wheel teeth are arranged on the outer side of the connecting block, a through hole is formed in the middle of the connecting sleeve ring, limiting grooves are formed in the inner wall of the through hole, an annular reinforcing rib and a reinforcing block are arranged in the connecting sleeve ring, a fixing rod is arranged in the flange, the fixing rod is inserted into the connecting block and is fixedly connected with a reinforcing column, the reinforcing column is located in the wheel teeth, an extending rod is arranged on the side wall of the reinforcingcolumn, the extension rod is located in the wheel teeth, and a heat dissipation opening is formed in the flange. According to the reinforcing gear, the reinforcing block is arranged between every twoadjacent limiting grooves, the stress strength of the connecting sleeve ring is improved, and meanwhile, the deformation resistance of the limiting grooves is also improved; an annular reinforcing ribis arranged in the connecting sleeve ring, the annular reinforcing rib is connected with the reinforcing block through a connecting rib, and the stress intensity of the connecting sleeve ring is improved.

Provided is a drain hose allowing the stable fitting of an outer tubular member for insulation and also the stable connection by increasing the deformation strength of a connection tubular body connected to a drain port.In this drain hose 1 formed by fitting the connection tubular body 4 connected to the drain outlet 3 of an air conditioner to one end of a hose body 2 covered by the outer tubular member 40 for insulation. A binding member 45 fastening the end part of the outer tubular member 40 from the outside is fitted into an annular recessed groove 32 formed on the outer peripheral surface side of the connection tubular body 4. Thus, the physical binding thereof with the outer tubular member 40 is increased, and the outer tubular member 40 can be stably installed. In addition, since the strength of the recessed groove 32 portion is increased, the deformation strength of the connection tubular body 4 can be increased.