155results about How to "No bumps" patented technology

The invention relates to a manufacturing method and device for enabling an optical fiber preforming bar to be butted with a tail handle. The manufacturing method and device are used for enabling the optical fiber preforming bar to be butted with the tail handle. The device comprises a working table, a blowtorch, a blowtorch holder, a servo motor 1, a chuck 1, a servo motor 2, a chuck 2, a graphite roller, a graphite roller holder, a compressing cylinder, a sliding plate 1, a servo motor 3, a sliding plate 2, a servo motor 4, a sliding rail and a control panel, wherein the sliding rail is mounted at the upper part of the working table, the chuck 1 is mounted on an output shaft of the servo motor 1, and the chunk 1 is used for clamping the preforming bar; the servo motor 3 is mounted on the rear side of the sliding plate 1; the chuck 2 is mounted on an output shaft of the servo motor 2, and the chuck 2 is used for clamping the tail handle; the servo motor 4 is mounted on the rear side of the sliding plate 2; the blowtorch is mounted on the blowtorch holder; the graphite roller holder is mounted in the middle of the rear side of the working table, the graphite roller is mounted on the front side of the graphite roller holder, and the control panel is mounted on one side of the working table.

The invention provides a construction method and support mould for tunnel primary support. The movable support mould is adopted in tunnel primary support construction; a mould cavity is formed betweenthe support mould and the tunnel excavation face; the support mould moves with the outline of the tunnel excavation face as the moving track; the mould cavity used for forming a tunnel primary support concrete layer is formed through joint cooperation of the movable support mould and the tunnel excavation face; the mould cavity is filled with concrete added with an accelerator, and after the concrete at the bottom of the mould cavity is initially solidified, the support mould moves towards a next station step by step; when the support mould moves, a mould cavity which is newly formed by the support mould in the moving process and the tunnel excavation face is continuously filled with concrete added with an accelerator; and finally, the whole tunnel primary support concrete layer is formed. The construction method and support mould have the beneficial effects that the working time is short, efficiency is high, the using quantity of the accelerators is small, springback is avoided, flatness is high, smoothness is achieved, unevenness is avoided, attractiveness is achieved, and after-treatment is not needed.

The invention relates to a method for positioning a steel reinforcement framework by replacing a laminated rubber bearing on a bridge abutment of a road bridge. The method comprises the following steps: firstly, an anchorage zone is arranged at the top of the bridge abutment for performing repairing and reinforcement to the part, and a supporting point and a welding point are arranged for a steelreinforcement framework of a new support foundation; after a main girder is jacked up according to a bridge deck construction crown line, an excavation zone is arranged at the part where the support is replaced, and a bed stone on the new support is additionally arranged on the bottom surface of the main girder; a stainless steel frame of the new support foundation and the steel reinforcement framework are mutually matched components; the top level and the inclination angle of the stainless steel frame and the new support foundation are accurately set in the excavation zone along with the accurate alignment of the steel reinforcement framework; the top surface of the new support foundation is parallel to the bottom surface of the bed stone on the new support, and the spacing between the top surface and the bottom surface is equal to the sum of thickness of the new support and 3 mm; the two planes are in horizontal states along the transverse direction; the two planes are parallel to the longitudinal slope of the bridge deck; and all the new supports bear the evenly distributed load under the action of the main girder and are in an ideal working state.

The invention belongs to the field of insulator composite anti-pollution flashover coating equipment and method, in particular to a centrifugal coating device and a coating method applied to insulatorcoating. The invention adopts the centrifugal coating method with the rotating coating reagent of the workpiece insulator stationary, the coating thickness is uniform, smooth, free of bubble, bump, hanging flow, concave mark and other defects, and the coating process is convenient to disassemble and assemble. Compared with the traditional way of spraying by manipulator, the safety is greatly improved, and the quality and efficiency of the finished product are significantly improved compared with the artificial dip coating. The device and the coating method of the invention are suitable for coating outer umbrella insulators (single umbrella, double umbrella or multiple umbrellas), column insulators and other insulators.

The invention relates to a combination duct aircraft. The combination duct aircraft consists of a combination duct central body and an even number of fan-shaped single duct flying bodies; a flight control system is arranged in the combination duct central body; the fan-shaped single duct flying bodies are detachably, symmetrically and uniformly arranged on the outer side of the combination duct central body to form an annular combination duct aircraft together. The combination duct aircraft is formed by assembling in a detachable manner; the number of the single duct flying bodies can be regulated according to a requirement so as to meet the requirements of different load and different purposes; meanwhile, the combination duct aircraft is simple in structure and convenient to load and unload; the single duct flying bodies and the combination duct central body form a circular main body structure, so that air resistance and noises can be reduced; the flight is safe and stable; the control is precise; the reactive torque balance is realized by adopting a reactive torque grid fin of a brand new structure, so that the balance is quick and accurate; the energy consumption required for the balance is reduced; the requirements of vertical take-off and landing and stable flight of the aircraft are met.

A technique for manufacturing the metallic intake opening of blower includes such steps as blanking metallic plate, die pressing to obtain conic workpiece, annealing the top opening, flanging and edging. Its advantages are no welded seam, high surface quality, low cost and high productivity.

The invention discloses an anti-skidding wheel plate which comprises a circular wheel plate, a plurality of anti-skidding teeth and an adjusting plate, wherein the anti-skidding teeth are distributed along the radial direction of the wheel plate; the adjusting plate is arranged at the center of the wheel plate; the anti-skidding teeth are connected with the adjusting plate through adjusting connecting rods; an adjusting handle is mounted on the adjusting plate; the anti-skidding teeth stretch out or retract under the driving of the adjusting plate which is driven by rotating the adjusting handle; each of the anti-skidding teeth is composed of an outmost anti-skidding tooth sheet, a middle anti-skidding connecting rod, an external anti-skidding tooth sleeve, a damping spring sleeved on the anti-skidding connecting rod and a connecting slide block. The anti-skidding wheel plate is designed in an external hanging form, so that the anti-skidding wheel plate is not ground by an automobile and no bump is generated; the anti-skidding wheel plate is not in direct contact with an automobile body, so that the noise caused by striking the automobile body is avoided; the anti-skidding wheel plate is directly mounted on a wheel hub, need not be frequently detached and is convenient to use; four surfaces of the anti-skidding teeth work together, so that the lateral sliding problem is solved; the anti-skidding wheel plate is not ground by the wheel, so that the service life is long; the anti-skidding teeth are automatically adjusted, so that the running speed is not influenced; and a wheel plate frame is bigger than the wheel hub, so that the danger caused by tire burst is reduced.

The invention discloses a method for manufacturing a metal connecting line, comprising the following steps: providing a semiconductor substrate; forming a barrier layer on the substrate; thermally processing the barrier layer; forming a metal layer on the barrier layer; forming an insulation layer and an anti-reflection layer on the metal layer; coating a photoresist layer on the anti-reflection layer; patterning the photoresist layer to define a lead pattern; and etching the anti-reflection layer, the metal layer and the barrier layer in sequence to form a lead structure. In the manufacturingmethod, a step of thermal treatment is added between the step of forming the barrier layer on the semiconductor substrate and the step of forming the metal layer so as to have an annealing effect onthe barrier layer, the barrier layer is recrystallized for hardening, pressure stress of metal lattice of the metal layer formed on the barrier layer sequentially caused by thermal treatment such as annealing, and the like is reduced, and embossment or projection of the metal layer can not occur, thereby ensuring the electronic stability of the manufactured devices and improving the yield of products.

The invention provides an opened wheel type electronic upstairs barrow which comprises a support assembly, a wheel assembly and a control assembly, wherein the support assembly forms a main body bracket of the electronic upstairs barrow; the wheel assembly comprises two opening wheels, two passive auxiliary wheels and two driven wheels; and the control assembly is supplied with power from a power supply module and comprises a lifting electric cylinder, a universal control handle, a speed change assembly box, a gyroscope, control buttons, a ranging sensor and a main controller. The invention further provides an operation method of the opened wheel type electronic upstairs barrow. By adopting the opened wheel type electronic upstairs barrow, an old person who is disabled to move conveniently or a disabled person can go out independently without obstruction, or free walking can be achieved with very small external force assistance; and in addition, the electronic upstairs barrow is capable of safely and freely going upstairs and downstairs or going over other barriers, and the outgoing problem of the old person who is disabled to move conveniently or the disabled person can be effectively solved.

A multifunctional hydraulic interconnection suspension system, related to the field of automobile technology, including a left hydraulic cylinder, a right hydraulic cylinder, a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, synchronization, etc. Quantity converter, steering gear, sensing device, hydraulic pump and oil tank; the first connecting pipe is connected between the upper connecting ports of the left hydraulic cylinder, the second connecting pipe is connected between the lower connecting ports of the right hydraulic cylinder, and the third The connecting pipes are cross-connected between the left and right hydraulic cylinders located at the opposite corners, one end of the fourth connecting pipe is connected to the third connecting pipe and the other end is connected to the synchronous equivalent converter, and the steering gear passes through the pipe It is connected with the synchronous equivalent converter, the induction device is connected with the steering gear, and the first connecting pipe and the second connecting pipe are respectively connected with the synchronous equivalent converter through pipelines. Not too bumpy, anti-rolling, active adjustment of stiffness, automatic control of vehicle balance, sensitive response, good stability and comfort.

The invention discloses an automobile antiskid device. The antiskid device comprises anti-skid plates, a transmission mechanism and a driving device, wherein the anti-skid plates are symmetrically arranged. One end of each antiskid plate is connected with an automobile chassis/an automobile cross beam in a rotatable mode through a hinge pin. The other end of each antiskid plate is connected with the driving device through the transmission mechanism. Teeth are fixed to the bottom surface of each antiskid plate. The automobile antiskid device has the advantages that it is guaranteed that an automobile safely runs on a wet slippery road or an icy and snowy road, and meanwhile, under the condition that an existing brake system of the running automobile breaks down and is ineffective or the running automobile breaks down due to misuse, the emergency braking function can be achieved; the structure is simple, and an existing automobile structure is not changed; during operation, extra friction force is generated between the antiskid plates and the ground, the automobile braking effect is improved, and therefore the purpose that the automobile freewheeling distance is shortened during an emergency brake is achieved; besides, rapid parking can be achieved, sideslip and turning over of the automobile are prevented, a jolt is avoided during a brake, the automobile passengers do not feel uncomfortable, and the practicability is high.

The invention discloses chip component tip packaging paste and a preparation method of a chip component. The packaging paste comprises 35-45% by mass of metal powder, 15-25% by mass of polymer resin, 20-35% by mass of calcium carbonate and 10-20% by mass of organic solvent, and is prepared by mixing the materials. The preparation method of the chip component comprises a packaging process of the chip component, namely packaging the tip of the chip component with the packaging paste. The packaging paste disclosed by the invention has good chemical and physical property stability, good sealing property and moderate viscosity. The chip component prepared by packaging the tip of the chip component with the packaging paste solves the technological problem of chip component tip protection, and increases the 1% precision qualification rate of the prepared chip component.

The invention provides a stainless steel pipe circular automatic welding member of a heating radiator. In a steel-channel-combined frame structure, a balancing cork base makes contact with a bottom port of a horizontal communicating pipe on the lower side of the heating radiator, an upper port of a horizontal communicating pipe on the upper side of the heating radiator makes contact with a welding gun fixed to a rotating shaft, an air cylinder guiding rod descends, the rotating shaft is inserted into a vertical stand pipe, and the rotating shaft is further provided with the welding gun; the welding gun rotates by a circle with the rotating shaft which is inserted into a polyurethane circular disc of the vertical stand pipe as the circle center, the rotating shaft and a pipe core bearing rotate, and the polyurethane circular disc does not rotate; a coupling is inserted into the upper part of the rotating shaft, and the coupling is connected with a lower main shaft of a reducer; the reducer is connected with a motor, and an upper main shaft of the reducer is connected with a circular disc spring; the main shafts of the reducer and the rotating shaft positively rotate by one circle, simultaneously, the welding gun and a steam line on the welding gun positively rotate by one circle, the circular disc spring is stretched, the main shafts of the reducer are stopped, a control button which electrically arranged is automatically twisted to a neutral position, the circular disc spring retracts, the main shafts of the reducer drive the rotating shaft and the welding gun to oppositely rotate by one circle, and the steam line of the welding gun is restored.

The invention discloses a bridge expansion joint structure includes a bridge main body and an expansion joint, the expansion joint divides the bridge main body into a first bridge main body and a second bridge main body, and a first support step is formed at the first bridge main body; the first support step is provided with a first fixing column, a second support step is formed at the second bridge main body, the second support step is provided with a second fixing column, and the side surfaces of the first and second support steps are separately and fixedly connected with C-shaped steel plates; an expansion joint connecting piece is arranged between the first bridge main body and the second bridge main body; the expansion joint connecting piece includes an upper support body and a lowersupport body which are both provided with reinforcing ribs; the upper of the expansion joint is provided with a cover plate; and elastic filling materials are filled between the expansion joint and the expansion joint connecting piece. According to the bridge expansion joint structure, the demand of expansion and deformation of a road can be met, the structure is steady, the bearing capacity is better, and the smoothness and the better comfort are achieved in the driving process; and the installation, the check and the maintenance are simple and convenient at the same time.

The invention provides a peanut seeder. The seeder for seeding the peanuts is a parallelly-expanded frame-type rack. The front end of the rack is provided with a traction bracket, a fertilization box and a seeding box are installed above the rack, an elevation-adjustable ridging hiller is installed at the front end under the rack, the back end of the rack is provided with an elevation-adjustable shaping hiller, a fertilization furrow opener is installed under the fertilization box, a seed-metering device is installed under the seeding box, a seeding furrow opener matched with the seed-metering device is located under the front of the seeding box, a press wheel matched with the ridging hiller is installed under the front of the rack, and a soil-lining plate for shaping, hilling and seeding is installed under the back of the rack. The peanut seeder can be driven by the motive power machine so as to automatically achieve a series of peanut seeding operations, such as ribbing shaping, fertilizing, seeding and leveling, and is capable of seeding 8-10 mu of land per hour with fast speed and good effect.

An electric building climbing vehicle with a compensation function comprises a front rotating shaft (1) driven by a motor. Two ends of the front rotating shaft are movably connected with a star-shapedfront wheel carrier (6). A planetary gear (5) and front wheels (7) are integrally formed on the top of the front wheel carrier spoke. The planetary gear is meshed with a sun gear (9) through an intermediate wheel, and the sun gear is fixedly connected with the rotating shaft. A driving sprocket (10) is fixedly connected to the inner side of the front wheel frame. An electromagnetic clutch is arranged between the driving sprocket and the rotating shaft. The rear wheel frame (15) on the rear rotating shaft rotates synchronously with the front wheel frame. The electromagnetic clutch is controlled by a controller, the electromagnetic clutch is controlled by a controller, and the controller comprises a single-chip microcomputer, a rotation angle sensor for detecting the rotation angle of the rear rotating shaft, and a travel switch for judging the size of the staircase. The single-chip microcomputer controls the closure or separation of the electromagnetic clutch according to the rotationangle signal and the travel switch signal so as to roll or translate the wheel frame, thereby realizing the automatic compensation of the staircase, being convenient to use and not easy to wear the staircase.

The invention discloses a foldable trolley, which comprises a vehicle plate, the vehicle plate comprises a first support plate and a second support plate, the first support plate is movably connected to the second support plate, and both the first support plate and the second support plate are provided with There are guardrails, first protective frames are provided on both sides of the first support plate, the first protective frame includes a first railing and a first baffle plate, and the first railings are evenly distributed between the first baffle plate and the first support plate, One end of the first baffle plate is provided with a limit card slot, both sides of the first support plate are provided with a second protective frame, the second protective frame includes a second railing and a second baffle plate, and the second railing is evenly distributed on the second baffle Between the plate and the second support plate, one end of the second baffle is provided with a bump, which corresponds to the limit card slot, one side of the first support plate is provided with a foot, and one side of the second support plate is provided with a walking wheel. The invention has the advantages of simple structure, flexible connection, convenient folding and portability.

The invention discloses a bridge capable of automatically adjusting the height along with the rising of the river water level and a construction method thereof. The bridge is composed of a main beam and an approach bridge; the main beam is composed of a group of closed main beam box bodies, the front end and the rear end of the main beam box bodies are erected on a pier through supports capable ofautomatically adjusting the height through buoyancy of water; the upper ends of approach bridge plates of the approach bridge are hinged to the end parts of the bridge plates of the front main beam box body and the rear main beam box body of the main beam bodies, and the lower ends of the approach bridge plates can slide in supporting plate sliding grooves in a approach bridge bearing table through sliding wheels B. The construction method comprises the steps of manufacturing the main beam box bodies, manufacturing a lifting device, installing the main beam box bodies to form the main beam, constructing the approach bridge plates and the like. The bridge can automatically adjust the height along with the water level of rivers, has a self-locking function, the bridge not only cannot be submerged when the water level rises, but also can not bumpy along with the fluctuation of the water level up and down; and the normal height of the main beam can be recovered after the water level is reduced; and the bridge does not need too high piers, and the engineering cost is relatively low.

The invention discloses a novel speed-limiting deceleration strip which comprises an air cylinder cavity, a deceleration strip body, compression springs and floating balls. The novel speed-limiting deceleration strip is characterized in that limiting columns are arranged on the inner bottom face of the air cylinder cavity and sleeved with the compression springs; the deceleration strip body and the air cylinder cavity are mounted together in a matched mode; exhaust holes are formed in the exposed surface and the lower bottom face of the deceleration strip body in a penetrating mode, and the lower bottom faces, close to the deceleration strip body, of the exhaust holes are provided with floating ball buffer areas; the diameter of the floating ball buffer areas is larger than that of other parts of the exhaust holes; the floating balls are mounted in the floating ball buffer areas of the exhaust holes; and cylindrical grooves used for mounting the limiting columns in a matched mode are further formed in the lower bottom face of the deceleration strip body. The deceleration strip takes the deceleration effect on vehicles with the high vehicle speed and does not take the effect on vehicles with the low vehicle speed; in addition, the deceleration strip is simple in structure and not prone to damage; and the vehicles can be limited to travel within the specified speed, and under thepremise that safety is guaranteed, jolt to the vehicles is avoided.