128results about How to "Will not bend" patented technology

The invention relates to a three-plate type high-energy-consumption viscous damping wall which is arranged between upper and lower floor surface beams and is used for vibration absorption and energy dissipation of a building structure. The three-plate type high-energy-consumption viscous damping wall comprises a wall body and a top sealing piece; the upper floor surface beam, the top sealing piece, the wall body and the lower floor surface beam are connected in sequence; a wall body sealing space is formed by connecting the wall body with the top sealing piece; an energy consumption damping structure is arranged in the wall body sealing space and the wall body sealing space is filled with viscous damping liquid; when a building floor has relative displacement, the energy consumption damping structure can slide in a viscous damping material of the wall body along the vertical direction of the wall body to generate a damping force, so that the energy of earthquakes or a wind load input structure is dissipated and a power reaction of the structure is reduced. Compared with the prior art, the three-plate type high-energy-consumption viscous damping wall has the advantages of strong energy consumption capability, stable performance, deformation resistance, stable output force, damage resistance and the like.

The invention discloses a smart card conveyer belt and a smart card conveying mechanism. The smart card conveyer belt comprises a conveyer belt body, the conveyer belt body is provided with a plurality of rigid shifting teeth, the shifting teeth extend in the height direction of the conveyer belt body to extend out of the lower edge of the conveyer belt body, and a card pushing part for pushing cards is formed by the extending-out part. The smart card conveying mechanism comprises the conveyer belt and a power mechanism, the power mechanism comprises a motor and at least two synchronization belts, synchronization teeth of the conveyer belt are meshed with tooth grooves in synchronization belt wheels, and one synchronization belt wheel is driven by the motor. By means of the smart card conveyer belt, the shifting teeth cannot be bent and deformed when the cards are pushed to conduct code printing, and it is guaranteed that the positions of printed characters on the cards are accurate.

The invention provides a urine educing device with a bent hollow guide head. The head end of the urine educing device comprises an insert tube head and an insert tube guide head, wherein the insert tube head comprises a conical section, a transitional section and a joint section; the diameter of the transitional section is gradually increased from the diameter of the bottom end of the conical section to the diameter of the joint section; the diameter of the joint section is outer diameter of the middle section of an insert tube; the conical section is internally provided with a lubricant nozzle inner hole and an insert tube guide head mounting stepped hole; the side wall of the lubricant nozzle inner hole is provided with at least one radial lubricant nozzle; the insert tube guide head mounting stepped hole and the insert tube guide head at the front end of a hollow guide core are tightly, easily and detachably matched; the joint section is provided with an insert tube mounting stepped hole; at the head end, the hollow guide core comprises an insert tube guide head at the front end, an insert tube of the transitional section and an insert tube of a straight section; a lubricant enters into a urine duct by virtue of the lubricant nozzle inner hole and the lubricant nozzle. According to the urine educing device, the thrusts of the insert tubes can be concentrated at the head end of a urine guide tube; the lubricant is capable of lubricating and expanding the urine duct in the whole process, further reducing the resistance of the insert tubes and reducing the inner wall damage of the urine duct.

The invention relates to an assembling method of welding columns used for ceramic column grid array packaging. The method comprises the steps of (1) manufacturing a porcelain body positioning frame, a loading bearing plate and welding column carriers with Kovar materials and etching welding column positioning holes distributed in an array mode in each welding column carrier, (2) installing the load bearing plate on the bottom of the porcelain body positioning frame, installing the plurality of welding column carriers on the load bearing plate and installing the welding columns in the welding column positioning holes, (3) printing welding paste on a welding disc corresponding to a circuit porcelain body, (4) installing the circuit porcelain body with the welding paste printed on in the porcelain body positioning frame and enabling the welding paste to correspond to the welding columns in a one-to-one mode, (5) placing the welding columns, the porcelain body positioning frame and the circuit porcelain body with the welding paste printed on in a reflow furnace and welding the welding columns and the circuit porcelain body at a temperature between 210 DEG C and 230 DEG C, and (6) taking down the welding column carriers from the circuit porcelain body, leaving the circuit porcelain body and obtaining a packaging product. According to the assembling method of the welding columns used for ceramic column grid array packaging, assembly of welding columns used for CCGA circuits with different sizes and pitches can be achieved, and damage on the welding columns in a jig dismantling process is avoided.

This invention discloses a crimp connection for casing tube or crimped lock for wire used in power transmission and distribution line composed of a columnary matrix, the section of which exhibits C shape, two lineal furrows are set at both ends point distributed locking reentrants/humps or continuous or discontinuous locking furrows or locking ribs are set up on the surfaces of inner/output surfaces of the matrix and the furrows to stitch the crimped lock with wires due to the above-mentioned crimped lock structure, increasing its pulling force, reducing its connection adapted resistance and temperature rising.

The invention relates to a machining method of a metal middle frame, a metal middle frame and a mobile terminal. The machining method of the metal middle frame comprises the following steps that a plurality of connecting sections is provided; the connecting sections is arranged in a die-casting die at intervals, and the plurality of connecting sections define an annular frame with a gap; molten aluminum liquid is injected into the cavity of the die-casting die and fills the cavity of the die-casting die through a die-casting treatment technology, wherein part of the molten aluminum liquid is solidified to form a middle plate which is integrally formed with the connecting sections, and the rest of the molten aluminum liquid fills the gap and is solidified to form a filled aluminum material;and surface treatment is carried out on the frame and the filled aluminum material. Due to the fact that the connecting sections are placed in the cavity of the die-casting die at intervals, the tensile stress generated by the filled aluminum material located in different gaps in the cooling and forming process is counteracted mutually; and defects of bending deformation and the like caused by unbalanced stress of the frame formed after the connecting sections are connected through the filled aluminum material are avoided, so that the forming quality of the whole metal middle frame is ensured.

The invention relates to a full-automatic shearing type abrasive cloth ripping machine, which comprises a feeding device, a shearing device, a receiving device and a power transmission device that are arranged on a rack. The feeding device comprises a feeding roller swinging device, an upper guide shaft and a lower guide shaft which are arranged on the rack, and the feeding roller swinging device is provided with a feeding roller. The shearing device comprises two side fixed plates which are arranged on the rack, and upper and lower cutter shafts are arranged between the two side fixed plates, and upper and lower separation sleeves and upper and lower blades are arranged outside the upper and lower cutter shafts. Edges of the upper and lower blades abut against each other to form a shearing opening. The receiving device comprises a receiving roller swinging device, a rotary frame and a rear guide shaft which are arranged on the rack. The receiving roller swinging device is provided with a receiving roller. The rotary frame is provided with a separation shaft which is provided with a separation sheet contacted with the receiving roller.

The invention provides a method for preparing a roller brush fabric from thermoplastic fiber. A certain proportion of thermoplastic fiber serves as main fiber materials of upper-layer base cloth and lower-layer base layer, conventional fiber is used for connection of the upper-layer base cloth and the lower-layer base cloth, blank cloth is prepared through a machine knitting method, the upper-layer base cloth and the lower-layer base cloth have hot melting adhesion effects through pile cutting, heating and solidification, and the solidification and non-nap-off effects are achieved without gluing. The fabric can be used for a roller brush and a scrubbing brush, the environmental protection purpose is achieved by omitting the coating process, compared with the similar products, the fabric has fuller suede, a thick and solid hand feeling and non-silk-off and non-nap-off effects, and the solidification effect and the bottom stiffness are good.

The invention relates to a filter pipeline for a water conservancy project. The filter pipeline comprises an inlet pipeline component, a filter chamber and an outlet pipeline component. According to the filter pipeline disclosed by the invention, by setting the inner structure of the inlet pipeline component and integrally setting the filter chamber at the same time, during a pipeline using process of the water conservancy project, the damage of different water qualities of rivers and lakes and impurities in water to other components of the water conservancy project is greatly avoided, and water conservancy project associated equipment used in the water is greatly protected.

The invention relates to the technical field of textile manufacturing, in particular to a bottom lifting plate steel wire transmission mechanism of a telescopic structure. The mechanism comprises a bottom lifting needle plate, a first lifting device, a second lifting device and a steel wire drawing device. In the bottom lifting plate steel wire transmission mechanism of the telescopic structure, asteel wire is arranged in a first-stage telescopic sleeve, a second-stage telescopic sleeve and a third-stage telescopic sleeve, so that it is guaranteed that the steel wire cannot be bent or deformed by protecting the steel wire through the first-stage telescopic sleeve, the second-stage telescopic sleeve and the third-stage telescopic sleeve in a normal state, and the problem that smooth penetrating cannot achieved when the locking wire penetrates. The first-stage telescopic sleeve, the second-stage telescopic sleeve and the third-stage telescopic sleeve which are guided by the steel wire are each of the telescopic structure and adopt a telescopic sleeve structure, the friction resistance of the steel wire is reduced, and the problems that the locking wire cannot be pulled out and the locking wire is broken are avoided.

The invention relates to the technical field of mounting construction of exterior wall cladding, in particular to an exterior wall cladding connecting device and a construction method. The exterior wall cladding connecting device comprises sleeves embedded in an exterior wall cladding concrete layer and bolts matched with the sleeves, wherein mounting holes matched with the sleeves are formed in connecting pieces on a structural beam plate, and after the connecting pieces and exterior wall cladding are connected through the bolts, the perpendicularity of the exterior wall cladding meets the standard requirement. The sleeves are embedded in the exterior wall cladding, the high-strength bolts penetrate through the holes in the embedded connecting pieces and the sleeves and are fixed, so that the problems that mounting is difficult and the perpendicularity is more difficult to adjust due to the fact that hanging bars of original exterior wall cladding hanging bar connecting devices are subjected to deformation bending easily due to collision, the construction progress is promoted, the construction quality is improved, the risk that the exterior wall cladding falls and hurts people is completely eradicated, and the problem that a mounted exterior wall cladding surface layer is damaged by hitting is solved.

The invention discloses a lifting type candleholder which comprises a base and further comprises a sleeve, a screw rod and a tray. The lower end of the sleeve is arranged at the upper end of the base in a rotating and sleeved mode, and a clamping spring is arranged between the sleeve and the base. An axial through hole is formed in the base, and symmetrical guiding grooves are formed in two sides of the axial through hole and in the base. The lower end of an inner cavity of the sleeve is provided with a partition board, and a threaded through hole is formed in the partition board. The screw rod is located in the axial through hole, the upper portion of the screw rod is arranged in the threaded through hole in a screwed mode, and the two sides of the lower end of the screw rod are provided with symmetrical sliding blocks which are arranged in the guiding grooves. The tray is arranged in the inner cavity and connected to the upper end of the screw rod. The lifting type candleholder has the advantage that placed candles will not bend and deform.

The invention discloses wide plastic film winding and roll changing equipment for a mandrel-free center winding mode. The equipment comprises a rack, wherein a front swing arm and a rear swing arm which are capable of synchronously swinging are arranged on the rack, and main winding chucks are respectively arranged on the upper ends of the two swing arms; a cutter bracket is also arranged on the rack, and a cutter for cutting off a plastic film is arranged on the cutter bracket; a core storage cavity used for storing a paper core tube is arranged on the rack, preliminary winding supports are respectively arranged on the front side and the rear side of the core storage cavity, and preliminary winding chucks are arranged on the preliminary winding supports; and a longitudinally extended friction roller is arranged below an outlet of the core storage cavity, a left side roller is further arranged on the upper left of the friction roller, and a right side carrier roller is further arrangedon the right side of the friction roller. According to the equipment, the non-stop roll changing can be automatically realized, and the paper core tube and a film roll cannot be bent and deformed ina winding process. The invention also provides a wide plastic film winding and roll changing method for the mandrel-free center winding mode.

The invention relates to a radiating module and an electronic device provided with same. The electronic device comprises a circuit board and a radiating module, wherein the circuit board is provided with a plurality of heating elements, and the radiating module comprises a radiating board and a heat pipe group. The radiating board is arranged on the circuit board, is divided into a plurality of contact parts and at least one heat pipe protecting part connected with the contact parts, and has a first surface and a second surface; the contact parts are used for receiving heat from the heating elements; a heat pipe containing groove which passes through the heat pipe protecting part is arranged on the first surface; and the heat pipe group is arranged in the heat pipe containing groove of theradiating plate.

The invention discloses a composite material mould with a reinforcing structure and a preparation method thereof. The composite material mould with the reinforcing structure comprises a mould casing, wherein a criss-cross #-shaped reinforcing structure is arranged on the mould casing, and is provided with a foam core material; a plurality layers of glass fiber reinforced plastics formed by uniaxial glass fiber cloth are laid on the surface of the foam core material; as the criss-cross #-shaped reinforcing structure is additionally attached onto the mould casing, the composite material mould has the benefits that the mould casing is not subjected to bending deformation, and the stability performance of the mould casing is improved; in addition, the criss-cross #-shaped reinforcing structure is adopted to enable various vertical and horizontal components to be mutually controlled and supported, so that the performance of the mould is enabled to be reasonably controlled; the foam core material has no strength, and plays a role in supporting the reinforcing structure; a plurality layers of glass fiber reinforced plastics formed by uniaxial glass fiber cloth are laid on the surface of the foam core material.

The invention discloses a production die and production process for glass chopsticks. The production die for glass chopsticks consists of an upper die and a lower die and is internally provided with a plurality of chopstick type die cavities, and communication clearances are formed among the die cavities; and the production process for glass chopsticks comprises glass melting, glass chopstick pressing and forming, crystallization and annealing treatment, cutting treatment and other steps. For the glass chopsticks made by adopting the die and the process, the product percent of pass is high, the production efficiency is high, and the production cost is low; and the thermal shock resistance of the chopsticks can meet the standard that the chopsticks can be once subjected to heat exchange at 140-20 DEG C without cracking, and the technical indexes of physics, sanitation and the like of the product can all conform to the requirements of the current domestic and overseas glass dinnerware standards.