143results about How to "Reduce local deformation" patented technology

In a sprocket comprising a sprocket hub, sprocket teeth and a cushion plate for contacting link plates of a transmission chain, the cushion plate is formed with concave portions at angular positions corresponding to the angular positions of the tips of the sprocket teeth, thereby avoiding contact, or reducing contact pressure, between the cushion plate and the middle parts of link plates of the chain.

The invention discloses a radome installation bogie based on an array absorption unit. An iron core permanently magnetic linear motor is embedded into the bottom of a bogie box body; a linear guide rail is arranged on the top of the bogie; four gesture adjusting three-coordinate positioners are arranged on the linear guide rail; the bottoms of the gesture adjusting three-coordinate positioners arevertical and horizontal slide plates on which an upper slide plate and a support column are arranged; a first telescopic rod is arranged inside the support columns; and the top of the first telescopic rod is provided with a three-coordinate positioner adapter. A flexible bracket is arranged above the four gesture adjusting three-coordinate positiners; and a stop device is arranged on the side ofthe flexible bracket. A dot matrix type passive three-coordinate positioner is arranged on the flexible bracket; a second telescopic rod is arranged inside the dot matrix type passive three-coordinatepositioner; and a round head vacuum absorption disc is arranged on the top of the dot matrix type passive three-coordinate positioner. The radome installation bogie can fix a radome in a multipoint vacuum absorption mode, and achieve the gesture adjustment of the radome through the movement of the gesture adjusting three-coordinate positioners in the X,Y, and Z directions.

The invention discloses a seal structure with a unidirectional-rotatable three-dimensional L-shaped groove end face. The seal structure is characterized in that the sealing end face of a stationary ring or a rotating ring is provided with three-dimensional L-shaped grooves, wherein the three-dimensional L-shaped groove and the radial direction of the stationary ring or rotating ring have inclined angles of 20-70 degrees and are uniformly distributed along a circumferential direction; each three-dimensional L-shaped groove is composed of a flow-supplying groove and an unequal-deep rectangular tank, and each three-dimensional L-shaped groove is processed by adopting a grinding method so as to improve the fatigue strengthen, can be used for the seal structure with the rotating ring or the stationary ring as a compensation ring, and can also be used for face to face dual seal, back to back dual seal, two-stage series seal, three-stage series seal, combined seal of dual seal and single seal, or combined seal of the single seal and the two-stage seal; and if a low pressure exists at the outside of the seal and a high pressure exist at the inside of the seal, each three-dimensional L-shaped groove is also formed on the circumference surface of the inside of the seal. The seal structure provided by the invention has the advantages of realizing the larger kinetic pressure carrying capacity, reducing the frictional wear, prolonging the service life, and realizing the static seal of a sealing ring at a dike field.

The objective of the invention is to prevent plastic deformation of separators in a heat cycle of the fuel cell, to thereby prevent damage to the power generation cell. A laminated body is formed by alternately laminating power generation cells (5) and separators (8) having reactant gas passages (11 and 12) inside thereof, and a fuel gas manifold and an oxidant gas manifold, which are in communication with the reactant gas passages (11 and 12) of each separator (8) and extending in the laminating direction, are located at a periphery of the laminated body, and a load is applied to the laminated body in the laminating direction. The separator (8) includes: an interconnect section (8a) at a center of which the power generation cell (5) is located; and a pair of arm sections (8b) with an elongated strip shape, each arm section (8b) extending from a rim of the interconnect section (8a), and an end (8c) of each arm section (8b) being connected to the fuel gas manifold or the oxidant gas manifold. The arm section (8b) has flexibility so that it can be deformed in the laminating direction, and the deformation of the arm section (8b) is kept in the range of elastic deformation during the heat cycle.

The invention provides a structure of an automobile rear suspension spring installation point with strong dynamic rigidity, high durability and light weight. The structure includes a rear suspension spring seat mounting plate, a support plate and a rear floor side longitudinal beam body, and also includes a first partition plate and a second partition plate. The rear floor side longitudinal beam body is a U-shaped channel steel beam in section, and the support plate It is an L-shaped support plate, the side of the L-shaped support plate is fixedly connected with the side of the rear floor side longitudinal beam body, and the top surface of the L-shaped support plate is respectively connected with the bottom surface of the rear suspension spring seat mounting plate and the groove top of the rear floor side longitudinal beam body The surface is fixed, the first partition and the second partition are respectively arranged on the sides of the rear floor side longitudinal beam body corresponding to the installation point of the L-shaped support plate, and the first partition and the second partition are both U-shaped in cross section channel steel, the groove tops of the first partition and the second partition are respectively vertical and flush with the groove tops of the side longitudinal beam body of the rear floor, and the sides of the first partition and the second partition are vertically aligned with the side longitudinal beams of the rear floor The sides of the beam body are fixed.

The invention relates to an apparatus and method for pipeline transportation of the dehydrating super heavy crude which belongs to the art of pipeline crude transportation. The invention adopts the thermal insulating pipeline with skin effect, having fuel delivery pump, filter and heat exchanger installed on the oil pipelines which are lay under the ground; performing pre-heating before transportation, injecting oil after the water temperature in the pipeline comes to 75 degree. The method can ensure transporting dehydrating heavy crude in the pipeline of 30 kilometers length and 406 millimeters diameter.

The invention provides a cylinder sleeve dismounting device. The cylinder sleeve dismounting device comprises pressing devices, friction plates, a base, regulating liner tubes, a pressing nut, a supporting block, a wear reducing device, a rocking bar and a center stud, wherein the center stud is used for sequentially mounting the base, a plurality of pressing device, the pressing nut, the supporting block and the rocking bar from bottom to top; the rocking bar and the pressing nut are both in threaded connection with the center stud; each regulating liner tube is arranged between every two adjacent pressing devices; a cylindrical structure consisting of a plurality of friction plates of which the sections are arc-shaped is arranged at the outer side of each pressing device; the bottom of each friction plate is in contact with the base. The device disclosed by the invention can be used for realizing dismounting of a general cylinder sleeve and also realizing the dismounting of the cylinder sleeve at a condition that the width of a large head of a connecting rod is larger than the inner diameter of the cylinder sleeve; the cylinder sleeve dismounting device is reasonable in structural design and easy to implement.

The invention relates to high heat conductivity and insulation plastic as well as a preparation method and application thereof. The invention specifically discloses the high heat conductivity and insulation plastic. The high heat conductivity and insulation plastic comprises thermoplastic plastic and a compound heat conductivity filler uniformly distributed in the thermoplastic plastic, wherein the compound heat conductivity filler is prepared from graphene and an inorganic insulation type heat conductivity filler. The invention further discloses the preparation method and the application of the high heat conductivity and insulation plastic. Under a condition of keeping the mechanical property and the insulation performance of the high heat conductivity and insulation plastic, by adding of the specific compound heat conductivity filler, the heat conductivity of the high heat conductivity and insulation plastic is obviously improved, and the obvious improvement has an important significance for extending the application field of heat conductivity plastic.

The invention relates to a concrete road pavement structure which comprises a sidewalk pavement and a roadway pavement, wherein an isolation road edge is arranged between the sidewalk pavement and the roadway pavement; the sidewalk pavement comprises a first base soil layer; a first cement macadam base layer is laid on the first base soil layer; a first mortar layer is laid on the first cement macadam base layer; a water permeable brick layer is laid on the first mortar layer; the roadway pavement comprises a second base soil layer; a macadam sub-base layer is laid on the second base soil layer; a second cement macadam base layer is laid on the macadam sub-base layer; an asphalt seal layer is laid on the second cement macadam base layer; a concrete surface layer is laid on the asphalt seal layer; an embedded pipe is arranged in the macadam sub-base layer; a connecting reinforcing steel bar is arranged in the concrete surface layer just above the embedded pipe along the transverse direction; a kerf is formed in the concrete surface layer. The concrete road pavement structure has the advantages of being good in overall strength, low in construction difficulty and good in bearing capability.

The invention relates to a multi-point swinging head press forming method for panel three-dimensional curved surface forming, and belongs to the field of mechanical engineering. In the forming process, multi-point reconfigurable die profiles are constantly converted, and metal plate materials are gradually and continuously formed into a curved surface; a multi-point reconfigurable die is composedof discretized swinging heads which are adjustable in height and are arranged regularly; and multi-point press forming serves as a basis, swinging bodies of the swinging heads can restrain plate materials in a self-coordination manner along with deformation of the plate materials in the forming process, and accordingly the plate materials are formed. The multi-point swinging head press forming method has the beneficial effects that during forming, the state of suspension of the plate materials does not exist, the plate materials are constantly restrained by base bodies, stress is more uniform,and generation of defects can be effectively prevented. The swinging bodies are sufficiently attached to the plate materials, forming faces are continuously increased, stress of the plate materials is more uniform and stable, local deformation is reduced, and the surface quality is obviously improved. Dislocation between acting force of the upper base body and the lower base body is reduced, thelocal bending effect is weakened, and the forming precision is obviously improved.

The invention discloses a cup body sealing machine. The cup body sealing machine comprises a machine frame, a rotary plate and container bases, wherein the rotary plate is rotatably arranged above the machine frame and horizontally disposed, and the container bases are arranged on the rotary plate and distributed around the circle center of the rotary plate in the circumferential direction; the machine frame is provided with a sealing mechanism and a liquid supply mechanism, the machine frame is provided with a discharging mechanism, and the liquid supply mechanism, the sealing mechanism and the discharging mechanism are arranged in sequence; the discharging mechanism comprises a driving part which is arranged on the machine frame and used for driving plastic cups to be ejected out of the container bases. The cup body sealing machine has the following advantages and effects that by using a new mechanical structure, the rotary plate is arranged and matched with a cup feed mechanism, the liquid supply mechanism, the sealing mechanism and the discharging mechanism, and the cup feed mechanism, the liquid supply mechanism, the sealing mechanism and the discharging mechanism are sequentially arranged around the rotary plate in the circumferential direction, thus the cup body sealing machine can automatically finish plastic cup processing, processing automation is achieved, and the processing efficiency of plastic cups is improved.

The invention discloses a special heat-conductive insulating material for a new energy automobile battery. The heat-conductive insulating material comprises the main raw materials in parts by weight:30-40 parts of POM plastics, 6-11 parts of hexagonal boron nitride micropowder, 5-10 parts of nanometer SiO2 powder, 3-4 parts of chopped carbon fiber particles, 1-2 parts of zinc oxide, 0.5-1 part ofpolyglycerol fatty acid ester, 0.5-1 part of cresyl diphenyl phosphate and 0.5-1 part of ethylene bisstearamide. The invention further discloses a preparation method of the special heat-conductive insulating material, and the preparation method comprises the continuous production processes: blending treatment, double-screw extrusion and injection molding by an injection molding machine. Due to the selection of a formula in which POM plastics, hexagonal boron nitride/calcium carbonate nanometer composite particles and modified silicon dioxide are adopted, the prepared composite has high heat conductivity, good insulativity, low density, low cost and good machinability and can be better adapted to the new energy automobile battery, the battery is uniform in heat radiation and capable of avoiding hot spots, local deformation caused by high temperature can be effectively reduced, and the service life can be prolonged.

The invention discloses a self-adaptive circular tubular thin-wall part clamping jaw. The self-adaptive circular tubular thin-wall part clamping jaw comprises a driving motor and a guide cylinder, wherein the guide cylinder is provided with a transmission screw rod, the transmission screw rod is connected with a transmission nut, and an oval through hole is formed in the transmission nut; a clamping device is arranged on a guide groove and comprises a sliding seat, an outer claw, an inner claw, an input lever, a transmission part, an outer sliding block and an inner sliding block; the slidingseat is slidably connected to the guide groove, a rectangular through hole is formed in the sliding seat, and the outer end of the outer sliding block is elastically connected to the outer end of thesliding seat; one end of the input lever is rotationally connected to the sliding seat, the input lever is hinged to the outer sliding block, and the input lever is hinged to the transmission nut through the oval through hole; and the transmission part is rotationally connected to the sliding seat, one end of the transmission part is hinged to the other end of the input lever, and the other end ofthe transmission part is hinged to the bottom of the inner sliding block. The self-adaptive circular tubular thin-wall part clamping jaw can self-adapt to clamping of thin-walled parts with differentpipe diameters, the mode of inner-outer opposite clamping is adopted, and the possibility of deformation of the thin-walled parts is greatly reduced.

The invention relates to an apparatus and a method for cropping the ends of or for separating test pieces from rolled strip wound into bundles. An apparatus is disclosed which, by means of an outwardly pivotable bottom roller (2) and guide devices (5, 6, 7, 8, 13, 14) for guiding the strip end to the shears, also makes it possible to process strips which are thicker or of greater firmness and are wound into bundles (10). Furthermore, a method is specified, which allows a reliable sampling and, if appropriate, inspection of the sample from strips wound into bundles, a closed bundle being obtained again after sampling.

The invention relates to the field of automobiles, and discloses a rear force transmission structure of an automobile. The rear force transmission structure comprises a longitudinal floor beam, a force transmission beam and a column C; the longitudinal floor beam is connected with a shock absorber; one end of the column C is connected with an automobile body, the other end of the column C is connected with the longitudinal floor beam by the force transmission beam, and the force transmission beam is connected with a rear wheel cover; the force transmission beam comprises a first force transmission rod and a force transmission rod. Parts of longitudinal force are transmitted by the first force transmission rod and the second force transmission rod respectively, the strength of impact on a part, which is connected with the force transmission beam, of the rear wheel cover is reduced, and accordingly the rear wheel cover is protected. The rear force transmission structure has the advantages that the first force transmission rod and the second force transmission rod are arranged in a splay manner, and a hollow triangular structure is formed between the force transmission beam and the longitudinal floor beam, so that the stability of the force transmission beam is improved, and the rigidity of the rear wheel cover is further improved; the triangular structure is favorable for improving the ability of transmitting rear collision force to the automobile body via the force transmission beam and the column C after rear collision of the automobile occurs; the force transmission beam is connected with two rear transverse floor beams, and accordingly energy of lateral collision force can be advantageously absorbed by the automobile.

The invention relates to an anti-crack thermal insulation wall and a construction process. The construction process of the anti-crack thermal insulation wall comprises the following steps that polyurethane adhesive is coated to form an adhesive layer, and a polystyrene plastic plate is pasted on the surface of the adhesive layer; and fiber mortar is coated on the surface of the polystyrene plastic plate, and air-drying is carried out for 15-20 minutes at normal temperature to form a surface layer. The wall construction device for coating the adhesive layer and the surface layer comprises a supporting frame; a connecting seat is slidably connected in the supporting frame, the connecting seat is rotatably connected with an internal thread pipe, and a screw rod is in threaded connection in the internal thread pipe; the screw rod is fixedly connected with a fixing frame, and a painting wheel is rotationally installed in the fixing frame; the connecting seat is fixedly connected with a guide plate, a guide piece penetrates through the guide plate, and an inserting groove is formed in the peripheral face of the screw rod; the guide plate is provided with a separation assembly used for driving the guide piece to be separated from the inserting groove; and a driving mechanism used for driving the inner threaded pipe to rotate is arranged in the supporting frame. The problem that a brush is locally deformed due to the fact that the brush is tightly attached to the outer wall can be solved.

The invention relates to a geometric texture synthesis method and system based on GPU (Graphics Processing Unit) acceleration. The method comprises the following steps of performing gridding processing on a sample geometric texture M<in> and an output geometric texture M<out>; determining a region on which the geometric textures are to be synthesized; finding optimal matching geometric sub-blocks m<out> from the sample geometric texture M<in> through a GPU parallel processing method; performing geometric alignment on a matching region P<out> and an overlapping region shown in the description through the GPU parallel processing method; performing geometric deformation on the matching region P<out> and the overlapping region shown in the description through the GPU parallel processing method; and performing geometric combination on the matching region P<out> and the overlapping region shown in the description which are subjected to the geometric deformation. According to the geometric texture synthesis method and system, the sample geometric texture is subjected to geometric sub-block subdivision, and the geometric sub-blocks are taken as basic synthesis units, so that the quality of a synthesis result is enhanced. The GPU parallel processing method is adopted, so that the calculation complexity in finding of the optimal matching geometric sub-blocks and splicing of the geometric sub-blocks is lowered, and the geometric texture synthesis speed is increased.

The invention discloses a kraft paper roll mounting base, and relates to a support base. The kraft paper roll mounting base comprises a support frame and a support shaft, wherein the support shaft is arranged on the support frame, and comprises a positioning shaft and a pressing shaft; a positioning piece is arranged at the shaft end of the positioning shaft; the pressing shaft is coated with a pressing piece connecting part; the pressing piece connecting part is coated with a pressing piece; and the pressing piece and the pressing shaft are connected through a fixed bolt. The kraft paper roll mounting base solves the problem of inconvenience for loading and unloading kraft paper rolls, and saves materials compared with the prior art.