30results about How to "Improve rigidity" patented technology

The invention discloses a high-speed wrapping machine. The high-speed wrapping machine comprises a wrapping support and a hollow main shaft, the right end of the hollow main shaft is provided with a rotation support, multiple installation planes are respectively arranged around the rotation support, and multiple support frames are respectively installed on the installation planes; and the high-speed wrapping machine comprises multiple aslant arranged reel shafts, the central portions of the multiple reel shafts are each provided with a reel, the rear portions of the multiple rear shafts are respectively correspondingly rotationally installed on the multiple support frames, the multiple support frames are each provided with an adjustment screw rod, and the rear ends of the adjustment screw rods are respectively in rotational connection with the rear ends of the reel shafts rotationally installed on the support frames. The application performance is good, the adjustment is simple, the locking is reliable, the safety is high, the rigidity of the rotation support is high, during high-speed rotation, loosening is not easily generated, the problem of adjustment of the angle of a wrapping band in a wire and cable production process and the pitch problem of coverage of multiple wrapping bands are solved, the production efficiency is improved, and the high-speed wrapping machine is suitable for a wrapping machine rotating at a high speed.

A lithography apparatus is disclosed, having at least one mirror arrangement which includes a mirror substrate including a front side with a reflecting surface, a side wall, which extends along a circumference of the mirror substrate from a rear side of the mirror substrate, and mounting elements to mount the mirror arrangement on a structural element of the lithography apparatus. The rear side of the mirror substrate and an inner side of the side wall delimit a cavity. Each of the mounting elements is connected to the mirror arrangement at a connection surface. The relation S / D>0.5 is satisfied at least one of the connection surfaces, wherein D denotes a thickness of the side wall at the connection surface and S denotes the length of the shortest path through the mirror material from the centroid of the connection surface to the rear side of the mirror substrate.

The invention relates to a vehicle door for closing a door opening provided in a vehicle frame, and to a vehicle door system with the vehicle door according to the invention. The vehicle door has body panels, an inner panel which, in the fitted position, faces the vehicle interior, and an outer panel which, in the fitted position, faces away from the vehicle interior, said panels being connected fixedly to each other and delimiting a cavity.With the proviso of providing a vehicle door of the type mentioned at the beginning, which can be produced in a less complicated manner, it is proposed that an end panel for delimiting the cavity is provided as a further body panel at least on one narrow side of the vehicle door, and that the end panel is connected fixedly laterally to the outer panel and the inner panel.

Disclosed is a torsion beam type rear suspension which comprises a pair of right and left trailing arms (2), a torsion beam (3), and a spring seat (6) disposed in a corner region defined at a junction between each of the lateral ends of the torsion beam and a rear portion (2c) of a corresponding one of the trailing arms to form a mounting seat for a coil spring (8). A vertical flange (13) is formed along a laterally inner edge (12) of the spring seat to have a longitudinally front edge extending vertically along a rear side surface of the torsion beam. The spring seat has a first region (7b) of disposed opposed to the corresponding trailing arm and fixed thereto approximately in its entirety, and a second region (16) disposed opposed to the torsion beam and fixed thereto only through the vertical flange. The torsion beam type rear suspension of the present invention can improve the supporting rigidity of the spring seat relative to a coil spring without increasing the rigidities of the spring seat and trailing arm themselves, while allowing the risk of stress concentration occurring at an end of the torsion beam to be reduced, so as to achieve increased chassis rigidity and adequately maintain suspension functions.

The invention discloses a metal complex and an OLED (Organic Light Emitting Device) thereof, and relates to the technical field of organic photoelectric materials. The metal complex has a structure asshown in a formula (I), wherein an electron-rich dinitrogen coordination structure in the structure of the metal complex is beneficial for stabilizing central trivalent metal cations, and meanwhile,electron cloud distribution on metal iridium can also be affected, so that great influence to the photoelectric properties of a whole complex molecule can be generated; a quaternary ring formed by a ligand of the dinitrogen coordination structure and metal has stronger rigidity and is beneficial for reducing unnecessary vibration energy loss and realizing high-efficiency luminescence property. Byregulating substituent groups, the metal complex has better thermal stability and chemical property; by preparing the metal complex into a device and particularly using the metal complex as a doping material, the device has the advantages of low driving voltage and high luminous efficiency and is superior to a commonly used OLED.

The invention discloses a face milling cutter with indexable inserts and knife pads thereof. Each knife pad is provided with a knife pad screw hole and a step groove. The step groove comprises a blade bottom contact face, a blade axial locating face and a blade radial locating face which are connected with each other. A notch with three sides opening is formed in each knife pad. Due to the design of the unique knife pads, blades are not in direct contact with a cutter body, the rigidity of the cutter body is greatly strengthened, the abrasion of the cutter body is reduced, the service life of the cutter is prolonged on the whole, and meanwhile the blades are enabled to be located without the need of being in contact with the cutter body, and the accuracy of repeated locating is high. The service life of the cutter is longer than face milling cutters of other types by more than 50%, the accuracy of processing workpieces is improved by more than one accuracy level, the replacement of the blades is convenient, and the processing cost is reduced greatly.

The invention discloses a drill rod joint which comprises a male joint and a female joint, wherein the male joint and the female joint are connected together through a male joint thread and a female joint thread in a mutual fit manner; a main male joint shoulder and a secondary male joint shoulder are respectively arranged at two sides of the male joint thread; a main female joint shoulder and a secondary female joint shoulder are respectively arranged at two sides of the female joint thread; when the male joint and the female joint are at the connected state, a main shoulder sealing cabin and a secondary shoulder sealing cabin are respectively arranged between the male and female joint threads and the main male and female joint shoulders and the secondary male and female joint shoulders; and the length ratio of the secondary and main shoulder sealing cabins is 1:1.9-2.2. With the adoption of the drill rod joint with the structure provided by the invention, the stress is distributed more uniformly; the load can be shared by the two ends of a thread buckle with stronger rigidity; and the anti-torque performance can be increased by more than 30% under the condition of identical wall thickness.

The invention discloses a processing method of ultrafine grinding wires. The processing method comprises the following steps of preparation of a treatment solution; preparation of a master batch; andmelt spinning. In the processing method, without using absolute alcohol, the risk that the absolute alcohol is inflammable and explosive is solved; the ultrafine grinding wires do not need to be laidand aired, so that the production space is greatly saved; without tedious programs including manual pelletizing, sieving and drying, the production efficiency is improved; and with a simple and convenient technology, the loss of diamond micropowder is reduced, and the cost is effectively lowered. In addition, for the ultrafine grinding wires produced by the processing method, the content of the diamond micropowder is full in content and uniform in distribution, so that the rigidity and the abrasion resistance of brush wires are improved, and the service life of the brush wires is prolonged; inthe use process, the fine polishing effect of the surface of a workpiece can be better; the diameter can be from 0.08mm to 0.149mm, and the blank of a product in the domestic and foreign markets is filled.

The invention discloses a container and a steel floor chassis thereof. The steel floor chassis comprises a steel floor, bottom side beams positioned at transverse two sides of the steel floor, and multiple bottom cross beams longitudinally arranged below the steel floor and fixedly connected with the steel floor, wherein the two ends of the bottom cross beams are fixedly connected with the two bottom side beams; and the bottom side beams are bent from the side edges of the steel floor, and are integrally molded with the steel floor. The steel floor chassis improves the manufacturing efficiency, reduces the cost, and improves the whole strength.

The invention provides a mechanical bent-plate-type slope adjusting clamp and method. The mechanical bent-plate-type slope adjusting clamp comprises a clamp base, wherein a side vertical plate and a middle vertical plate are arranged on the clamp base; a plurality of T-shaped grooves are formed in the outer side surface of the middle vertical plate from top to bottom in a spacing manner; a V-shaped positioning block is arranged at the bottom of the middle vertical plate; two raised brackets are horizontally arranged on the inner side surface of the middle vertical plate in a spacing manner; aservo motor is arranged on the outer side surface of the side vertical plate and connected with a worm; the worm is connected with a worm gear; an angle displayer is arranged at the tail end of the worm; one end of a gear shaft is mounted on the worm gear; the other end of the gear shaft penetrates through the side vertical plate and is mounted on the clamp base; the raised brackets are in hingedconnection with a rotating table plate through a hinge shaft; a fan-shaped gear is arranged on the reverse side of the rotating table plate and in meshed connection with the gear shaft; the T-shaped grooves are formed in the obverse side of the rotating table plate from top to bottom; and the V-shaped positioning blocks are arranged at the bottom of the rotating table plate. The mechanical bent-plate-type slope adjusting clamp and method have the advantages that the structure is stable, the rigidity is high, the operation is simple, the labor intensity is reduced, the working efficiency is improved, and the clamped part slope adjusting and positioning precision is high.

A radiator installing structure to an internal combustion engine body in a power unit, is rockingly supported by a car body by integrating the internal combustion engine body composed of a cylinder and a cylinder head, a crankcase for storing a crankshaft, and a motive power transmission case for supporting a driving wheel. The radiator installing structure is separately provided with a radiator support member installed in the crankcase, surrounding the periphery of a cooling fan arranged on one end of the crankshaft and supporting the radiator oppositely arranged to the cooling fan, and a ventilation guide member forming a cooling air passage reaching the cooling fan from the radiator in an inside space of the radiator support member.

The invention discloses a synthesis method of a compound for protein fluorescent labeling and relates to the technical field of biomacromolecule fluorescent labeling. The synthesis method comprises the following steps of 1, reaction 1: heating 1.2-1.5 equivalent of a compound I and 1 equivalent of a compound II in 1.5-3.5 equivalent of acetic anhydride with stirring for 0.5-1h to obtain an intermediate III, and 2, reaction 2: heating 1 equivalent of the intermediate III and 1.1-1.5 equivalent of sodium iodide in an organic solvent 2 to a temperature of 40-70 DEG C, and carrying out reflux for 2-24h to obtain a desired product IV which is a water-soluble fluorescent compound. A cyanine compound is introduced with multiple hydrophilic sulfonic acid groups so that water solubility is improved. A distance between a connection locus and a fluorescent group is further reduced so that probe rigidity is improved and thus the problem that the existing protein fluorescent probe has nonuniform hydrophobic ends and hydrophilic ends and has long length of a probe connection group.

The invention relates to the technical field of TPU materials, and particularly discloses a wear-resistant flame-retardant TPU material and a preparation method thereof. The TPU material is prepared from the following raw materials in parts by weight: 60 to 100 parts of polyurethane, 15 to 30 parts of epoxy resin, 3 to 10 parts of di-o-chlorodiphenylamine methane, 20 to 50 parts of polyethylene, 10 to 28 parts of modified calcium sulfate dihydrate whisker, 10 to 28 parts of composite flame retardant and 2 to 6 parts of silicone oil. The preparation method comprises the following steps: uniformly mixing the silicone oil and the modified calcium sulfate dihydrate whisker to obtain a mixture A; uniformly mixing polyurethane, epoxy resin, di-o-chlorodiphenylamine methane and polyethylene to obtain a mixture B; then adding the composite flame retardant into the mixture B, and uniformly stirring to obtain a mixture C; finally, uniformly mixing the mixture A and the mixture C to prepare the wear-resistant and flame-retardant TPU material. The wear-resistant flame-retardant TPU material disclosed by the invention has the advantages of high wear resistance and high flame retardance.

The invention discloses a shoe cellulose powder modified polyurethane adhesive and a preparation method thereof. The shoe cellulose powder modified polyurethane adhesive is prepared from the following components in parts by mass: 150 to 200 parts of diphenylmethane diisocyanate, 20 to 50 parts of isophorone diisocyanate, 200 to 400 parts of polyester glycol, 30 to 60 parts of chain extender, 1 to 10 parts of cellulose powder, and 2000 to 4000 parts of solvent. The preparation method has the advantages that under the synergistic action of two types of active isocyanate, by adopting different types of hydroxyl raw materials, the initial viscosity, hydrolysis resistance, wet and heat aging resistance and the like of products are improved; the technology implementing is good, and the environment-friendly and non-pollution effects are realized.

The invention discloses an air purification spraying device for a printing and dyeing room, and belongs to the technical field of air purification. The device comprises a main body box and suction pumps arranged in the left side and the right side of the main body box and used for pumping a water source into the main body box for circulation and then discharging. The device overcomes the defects in the prior art, multiple sprayers can be installed at the upper end of a water pipe by screwing connectors into the water pipe one by one through sprayers, an adjusting ring, nozzles and the connectors, the spraying direction of the device is effectively increased, and after the adjusting ring moves up and down, the impact force generated when water flow collides with the adjusting ring can be adjusted; water flow can be extruded out of the nozzles at different injection speeds according to the magnitude of impact force to be sprayed, then the spraying range of the device is changed, and the device can conduct wide-range spraying or fixed-point spraying on part of areas with serious air quality according to the actual air conditions of different areas in the printing and dyeing room, resources are saved, and the working efficiency is improved.

The invention provides a toughened and reinforced recycled PP (polypropylene) composite material. The composite material comprises the following components in parts by weight: 50-70 parts of recycled PP resin; 10-20 parts of PBAT resin; 10-30 parts of wood powder fiber; 1-3 parts of a compatilizer; and 0.1-0.3 parts of an antioxidant. The notch impact strength of the composite material is greater than or equal to 25KJ / m<2>, the bending strength is greater than or equal to 50MPa, and the flexural modulus is greater than or equal to 3000MPa. The recycled PP composite material can be applied to household appliances.

A multiunit connecting rod-driven three-range-of-motion loading robot comprises a multiunit connecting rod driving mechanism, a movable lifting mechanism, a bucket control mechanism and the like. All-rod design is adopted by an actuation mechanism of the loading robot, a controllable motor drives an electric transmission system to provide power, a hydraulic transmission system of an existing hydraulic loading machine is omitted, the transmission efficiency is high, the energy consumption is low, and the reliability is good. Driving of a plurality of small-power motors is achieved through the multiunit connecting rod driving mechanism of the robot under the control of a computer, and the high-capacity operation power requirement of the loading robot is met through high-power and high-torque power output. The loading robot has the characteristics of an original controllable loading mechanism that the transmission efficiency is high, the response speed is high, the motion precision is high, and the controllability is good, the bearing performance of the loading robot is made better through the multiunit connecting rod-driving mechanism, and the multiunit connecting rod-driving mechanism can be used for manufacturing large and medium-sized loading robots.

The embodiment of the invention provides a circuit board and a preparation method thereof. The preparation method comprises the steps that a conductive layer is formed on a base material, a circuit area and a peripheral area surrounding the circuit area are defined on the base material, the base material is provided with a side face connected with and surrounding the peripheral area, and the conductive layer is located on the side face, the peripheral area and the circuit area; forming a protective layer on the conductive layer, wherein the protective layer is located on the side surface and the peripheral region; the conductive layer is patterned, so that the conductive layer located in the circuit area is patterned to form a circuit layer, and the conductive layer located on the side face and the peripheral area is not patterned due to being covered by the protective layer and still remains on the base material to form a strengthening layer; wherein the step of patterning the conductive layer comprises the steps of pressing a dry film, exposing, developing, etching and removing the dry film, and the protective layer is removed in the step of removing the dry film.

The invention belongs to the technical field of polystyrene modified materials, and concretely relates to a polystyrene resin with high rigidity and high gloss and a preparation method therefor. The composition is composed of the following raw materials: high impact polystyrene, general purpose polystyrene, stabilizing agents, processing aids and dyes. The preparation method comprises the steps of mixing, extrusion and granulation. High impact polystyrene is modified, and performances of high rigidity and high gloss are obtained.

The invention discloses an outdoor pan-tilt windproof mechanism. The outdoor pan-tilt windproof mechanism comprises a bottom plate, wherein the middle of the upper end of the bottom plate is movably connected with a rotating structure; the upper end of the rotating structure is fixedly connected with a connecting frame; the front end and the rear end of the connecting frame are jointly and fixedlyconnected with a stabilizing structure; the upper ends of a fixing column and four supporting columns are jointly and fixedly connected with an upper connecting plate; the left end of a lower connecting plate and the left end of the upper connecting plate are jointly and fixedly connected with a supporting frame; and the left portion of the upper end of the stabilizing structure is fixedly connected with a bearing structure. According to the outdoor pan-tilt windproof mechanism, by arranging the rotating structure, the stabilizing structure and the bearing structure, the rotating rigidity ofthe bottom plate is improved, the phenomenon that a pan-tilt main body shakes left and right or inclines when rotating is avoided, the possibility that the pan-tilt main body swings under the influence of wind power in the outdoor environment can be reduced advantageously, the effect of improving the wind resistance of an outdoor pan-tilt is achieved, the bearing area and the bearing range of thepan-tilt main body are enlarged, and the load bearing performance of the pan-tilt main body is improved.