20results about How to "Consistent deformation" patented technology

The high-temperature fan of the granulating and drying hot-blast stove relates to the technical field of compound fertilizer processing and production and comprises a base, a bearing support is fixed to the rear end of the base, a main shaft is rotationally installed in the middle of the bearing support, a main umbrella wheel is coaxially arranged at the input end of the main shaft, and trapezoidal fins are fixed to the position, close to the main umbrella wheel, of the rear end of the main shaft; the spindle is sleeved with a shaft sleeve, and a labyrinth seal is arranged at the front end of the shaft sleeve. In the using process, only one motor needs to be arranged, energy is supplied to the high-temperature fan, meanwhile, automatic circulation of cooling water is achieved through linkage driving of the circulation assembly, heat exchange cooling is conducted on the circulating cooling water through the cooling fan, and due to the fact that compressor refrigeration and water pump circulation do not need to be used, the cooling efficiency is greatly improved. Therefore, efficient circulating cooling of the cooling water can be achieved with a simple structure and extremely low cost, the problem of abrasion between parts of the fan caused by high-temperature expansion is solved, and heat transmitted to the bearing from a high-temperature medium is effectively controlled.

The invention discloses a copper wire gold plating treatment process, which belongs to the technical field of integrated circuits. The process comprises the following steps: performing surface cleaning treatment on a palladium-plated copper wire and then immersing the wire in a gold plating solution for gold plating treatment to obtain a gold-plated palladium copper wire; drawing and thinning the gold-plated palladium copper wire to a preset diameter, and then sequentially performing annealing treatment and surface cleaning treatment to obtain the gold-plated palladium copper wire; the gold plating solution comprises a leveler, the leveler takes a polyhydroxy spirobiindene rigid structure as a skeleton, and uses a Mannich reaction to graft 3-hydroxypiperidine with aminomethyl at the α active hydrogen position of the skeleton, and then introduces bromine atoms into the skeleton through a bromination reaction and derives them into a boric acid pinacol ester group, and finally introduces a dithiophene benzothiadiazole structure into the skeleton through a Suzuki coupling reaction to obtain the gold-plated palladium copper wire; the invention adds the leveler into the gold plating solution to improve the bonding strength and flatness of the coating so as to meet the copper wire bonding packaging requirements.

According to the production method of the hot-rolled extra-thick and ultra-wide double-metal composite plate, S30403 is selected as a stainless steel layer, and the stainless steel layer comprises the following chemical components in percentage by mass: 0.02%-0.029% of C, 0.3%-0.5% of Si, 0.8%-1.0% of Mn, less than or equal to 0.04% of P, less than or equal to 0.005% of S, 18.0%-18.8% of Cr, 8.0%-8.2% of Ni and the balance of Fe and inevitable impurities; the base layer is made of Q355B low-alloy high-strength steel and comprises the following chemical components in percentage by mass: 0.06%-0.12% of C, 0.15%-0.3% of Si, 1.45%-1.6% of Mn, less than or equal to 0.02% of P, less than or equal to 0.005% of S, 0.02%-0.05% of Al, 0.008%-0.02% of Ti and the balance of Fe and inevitable impurities; the key process steps comprise assembling, heating, rolling, cooling and finishing, and industrial preparation of the high-performance bimetal composite plate with the width larger than 3.5 m, the total thickness not smaller than 100 mm, the base material larger than or equal to 90 mm and the stainless steel coating larger than or equal to 10 mm is achieved.

The utility model provides a kind of bending device of wood board bending equipment, belong to plate production technical field.It solves the technical problems such as existing bending machine cannot bend the board of larger length, the effect is not good after bending for the board of larger length etc..Two bending supports in the bending device of the wood board bending equipment are set apart along wood board conveying direction, arc-shaped bending tooth disc is set on each bending support, both sides of bending tooth disc are provided with protruding teeth, driving gear is set on the outside of bending tooth disc, driven gear is set in the inside, driving gear and driven gear can be rotatably fixed on mounting plate, driving gear is connected with bending driving part on mounting plate, connecting plate is set between two bending supports, both ends of connecting plate are fixedly connected with mounting plate, and board can be rotated with connecting plate.The utility model has the advantages that larger length board can be processed, and bending effect is good.

The utility model discloses a crack sensing sensor based on optical fiber sensing, and belongs to the technical field of civil structure health monitoring. The problems that the testing precision of an existing crack measuring device is extremely prone to being interfered by the surrounding environment, and the measuring precision is low are solved. The optical fiber grating sensor comprises a mounting shell, a cantilever beam and an optical fiber grating, the mounting shell is of a cavity structure with a fixed connecting end and a stretching movable end, and the fixed connecting end and the stretching movable end can slide relatively; the cantilever beam is of a long-strip-shaped structure with elastic deformation and resilience capacity, the cantilever beam is horizontally arranged in a cavity of the installation shell, the length direction of the cantilever beam is the same as the moving direction of the stretching movable end, the tip end of the cantilever beam is fixedly connected to the fixed connecting end, and the tail end of the cantilever beam abuts against the stretching movable end and is in a bent state. The fiber bragg grating is installed on the cantilever beam, and the length direction of the fiber bragg grating is consistent with the length direction of the cantilever beam. The device is mainly used for measuring cracks in the road surface and the roadbed.

The invention belongs to the technical field of devices with large displacement, isotropy and high energy dissipation capacity in bridge seismic resistance, and particularly relates to a steel damper and a bridge seismic structure. The energy dissipation device comprises an energy dissipation assembly, the energy dissipation assembly comprises two energy dissipation steel bars, a force transmission assembly is arranged between the two ends, close to each other, of the two up-down opposite energy dissipation steel bars, the force transmission assembly comprises a sleeve and a tenon, the tenon is arranged in the sleeve in a sleeved mode, the tenon is in transmission connection with the sleeve, and the tenon and the sleeve are connected to the two up-down opposite energy dissipation steel bars respectively. When the two ends where the steel damper is installed generate relative displacement, the sleeve and the tenon make contact to drive the energy dissipation steel bars at the two ends to deform, and large yield capacity and high energy dissipation capacity are provided for the structure. When the relative displacement of the two ends is large, the two energy dissipation steel bars have large plastic deformation, the tenons slide in the sleeves along the sliding grooves, and large displacement can be provided.

The application discloses a square flange sealing quick joint and a sealing connection method, and relates to the technical field of sealing connection, in particular to a square flange sealing quick joint and a sealing connection method. The square flange sealing quick joint comprises a positioning seat, a pressing plate, a limiting block and a knurled nut, a rectangular groove is formed on one side end face of the positioning seat in the circumferential direction, the rectangular plate part of the pressing plate is arranged in the rectangular groove, the screw part is threadedly connected with the knurled nut through the through hole on the positioning seat, and one end of the knurled nut is limited on the positioning seat through the limiting block. When the square flange sealing quick joint is used for sealing connection of a square flange joint fuel pipe, the knurled nut is rotated to drive the pressing plate to move, so that the rectangular groove of the positioning seat forms a space height sufficient to accommodate the square flange on the square flange joint fuel pipe, then the square flange is inserted into the rectangular groove, the knurled nut is rotated again to drive the pressing plate to press the O-shaped ring on the end face of the square flange, and the sealing connection work is completed. The square flange sealing quick joint is simple in operation, high in sealing installation and dismounting efficiency, and high in sealing connection quality.

The utility model discloses an automatic buckle device of small opening end buckle of automobile ornament strip relates to the technical field of automobile parts automatic assembly equipment, and aims at solving the problems of low positioning precision, unstable buckling quality, poor product adaptability and complicated changeover debugging of existing ornament strip end buckle assembly. The device comprises a device bottom plate, a Z-direction support seat plate arranged thereon, a two-way adjustable Y-direction pinning unit, an X-direction supporting unit and a Y-direction buckling unit with a limiting guide; the workpiece is supported by the positioning groove, the pinning unit is inserted into the workpiece aperture for radial accurate positioning, the supporting unit axially locks the ornament strip end, and the buckling unit directionally compresses and combines the bending deformation part of the automobile ornament strip. The device realizes multidirectional cooperative positioning and accurate press fitting, significantly reduces the assembly defective rate, improves the assembly precision and buckling reliability, effectively improves the line changeover efficiency, is compatible with multiple specifications of products, has a simple structure and is convenient to maintain, and is suitable for the automatic batch assembly process of automobile ornament strip end buckle.

The invention relates to an aero-engine manufacturing technology, in particular to a clamp and method for assembling a low-pressure turbine guider. The clamp comprises a bottom plate and a force application cylinder; a plurality of stand column assemblies are annularly and evenly distributed on the bottom plate. The top ends of the multiple stand column assemblies are jointly provided with a guide cylinder, and the force application cylinder is slidably installed in a center hole of the guide cylinder. A plurality of positioning blocks are annularly and uniformly distributed on the top surface of the bottom plate; arc-shaped positioning spigots are formed in the positioning blocks, and the arc-shaped positioning spigots of all the positioning blocks are located on the same circumference; a driving gear and a driven gear which are meshed with each other are mounted on the top surface of the force application cylinder; a pull rod is fixedly installed in the center of the bottom plate, and a threaded rod is arranged on the upper portion of the pull rod and matched with a threaded hole in the center of the driven gear. When the guider is used, the force application cylinder can vertically press downwards, so that the deformation of the sealing pad on each part of the circumference is consistent, the sealing pad is ensured to be uniformly pressed, and the problem that the local assembly of the guider is not in place in the prior art is solved.

The utility model provides an automatic thermal shrinkage mechanism for a double-sided character identification thermal shrinkage sleeve, which is characterized in that a clamping cylinder of a positioning thermal insulation component is fixed on a cylinder fixing plate of a bracket, and the clamping cylinder is connected with a clamping jaw and a pneumatic jaw; a sliding block of the thermal shrinkage assembly is fixed to the upper end of a support, a sliding rail and the sliding block are connected in a matched mode to form a kinematic pair, the sliding rail is fixed to a guide rail fixing plate of the support, and a fan is fixed above a heating pipe. The air guide nozzle is fixed below the heating pipe, and air outlets in the two sides of the air guide nozzle are symmetrically arranged on the two sides of the clamping jaw with the center of the air jaw as the symmetry center. According to the product, through cooperative arrangement of the positioning heat insulation assembly and the thermal shrinkage assembly, precise thermal shrinkage of the two sides of the double-sided character identification thermal shrinkage sleeve is achieved, and the thermal shrinkage accuracy is high; the influence on characters printed on the other two surfaces of the heat shrink tube is small, and the heat shrink quality is good. Furthermore, the on-line full-automatic thermal shrinkage of the thermal shrinkage pipes with different pipe diameters, different lengths and single-side and double-side identification characters can be realized, the adaptability to various types of working conditions is good, and popularization and application are facilitated.

The invention discloses a position correcting device of a lighting circuit board in the technical field of circuit board processing, which comprises main positioning pieces and a position correcting mechanism capable of clamping the edge of the circuit board, and a moving mechanism capable of driving the position correcting mechanism to horizontally move between the main positioning pieces, and the position correcting mechanism comprises an upper positioning unit and a lower positioning unit, the upper positioning unit and the lower positioning unit are respectively arranged on the upper side and the lower side of the circuit board and are symmetrically arranged up and down; each of the upper positioning unit and the lower positioning unit comprises mounting frames, and the mounting frames are arranged on the two sides and are arranged on the moving mechanism in a sliding manner; the electric telescopic rod is fixedly installed at the end, away from the moving mechanism, of the installation frame, and the electric telescopic rod can vertically apply force to ensure that the pressure can be evenly dispersed; according to the circuit board drilling device, stress on the periphery of a drilling point is more uniform, and the situation that the periphery of the drilling point deforms unevenly, so that a circuit board is broken is avoided.

The utility model relates to the technical field of underwear mould cup, specifically disclose a high underwear mould cup of close degree, including underwear mould cup main part, the inside of underwear mould cup main part is provided with core support area, and is located underwear mould cup main part's lower edge and side edge area, the inside of underwear mould cup main part is provided with flexible close area, and is located underwear mould cup main part's center and upper edge area, the inside of flexible close area is provided with honeycomb gap structure, this honeycomb gap structure non - through underwear mould cup main part's inside and outside surface The utility model through setting up inside non - through honeycomb gap structure, make flexible close area possess local deformation ability, can fill the chest curve gap closely when static wearing, dynamic activity time self -adaptation deformation reduces displacement, simultaneously, the density / thickness difference of core support area and flexible area realizes the accurate distribution of supporting force and close nature, significantly improves the overall close degree and stability.

This utility model relates to the field of wall sleeve technology, specifically disclosing a leak-proof wall sleeve sealing structure. It includes an installation wall with a pre-embedded sleeve installed through its surface. A waterproof ring is fixedly connected to the outer surface of the pre-embedded sleeve. An inner pipe is installed in the cavity of the pre-embedded sleeve. Locking baffles are installed at both ends of the pre-embedded sleeve. A positioning groove is formed on the outer surface of the pre-embedded sleeve. A sliding groove is formed on the surface of the locking baffle, and a supporting slider is installed on the inner wall of the sliding groove of the locking baffle. This leak-proof wall sleeve sealing structure, through the cooperation of the L-shaped positioning groove, the sliding supporting slider, and the rotatable limiting disc, eliminates the need for the traditional "iron handle" that is easily blocked by pipelines. Workers can quickly complete the installation and removal of the locking baffle by simultaneously adjusting the supporting slider by rotating the limiting disc, significantly reducing operational obstacles in dense pipeline scenarios and improving maintenance efficiency.

The utility model discloses a connecting mechanism for a pipeline, which comprises two connecting pipes which are symmetrically distributed, and a corrugated pipe is fixedly connected between the opposite end parts of the two connecting pipes; the insertion pipe is fixedly installed in the connecting pipe, the external pipeline can be inserted into the surface of the insertion pipe, the insertion pipe is in a conical shape, and meanwhile the narrow end of the insertion pipe is away from the corrugated pipe; the fixing pipe is slidably inserted into the end, away from the corrugated pipe, of the connecting pipe, the end, close to the connecting pipe, of the fixing pipe is conical, the taper of the fixing pipe is the same as that of the inserting pipe, and meanwhile the fixing pipe is inserted between the inserting pipe and the inner wall of the connecting pipe; and the driving assembly is used for driving the fixed pipe to move. According to the utility model, the deformation amount of each part between the external pipeline and the connecting pipe can be ensured to be consistent, so that the probability of leakage caused by thermal expansion and cold contraction of the whole connecting mechanism when the external temperature change is relatively large is effectively reduced, and comprehensively, the functions are more perfect when the connecting mechanism is used.

The utility model relates to a crank shrinkage fit heating device which comprises an electromagnetic induction heater, the electromagnetic induction heater comprises a shell, an electromagnetic induction coil arranged in the shell and a magnetizer fixed on the electromagnetic induction coil, and the shell comprises a front end plate and a rear end plate which are shaped like a Chinese character'hui '. The outer pipe is connected between the front end plate and the rear end plate, the inner pipe is located in the outer pipe, and a tubular cavity is defined by the front end plate, the rear end plate, the inner pipe and the outer pipe. The electromagnetic induction coil and the magnetizer are arranged around the inner pipe, and an insulating layer is arranged between the electromagnetic induction coil and the magnetizer and the inner pipe; a cavity matched with a crank arm of the crank in shape is formed in the inner pipe; an air inlet and an air outlet are formed in the two sides of the outer pipe respectively, and a power connector connected with the electromagnetic induction coil is further arranged on the outer pipe. The heating device has the advantages that the full-surrounding square-tube-shaped electromagnetic induction heater is arranged, the crank arm except a crank pin is placed in the electromagnetic induction heater, the whole crank arm is heated, the heating uniformity is higher, the whole deformation of the crank is uniform, and the shrinkage fit machining quality is greatly improved.

The invention discloses a copper wire gold-plating treatment process, which belongs to the technical field of integrated circuits, and comprises the following steps: carrying out surface cleaning treatment on a palladium-plated copper wire, and immersing the palladium-plated copper wire into a gold-plating solution for gold-plating treatment to obtain a gold-plated palladium copper wire; and drawing and refining the gold-plated palladium copper wire to a preset diameter, and sequentially carrying out annealing treatment and surface cleaning treatment to obtain the gold-plated palladium copper wire, the gold plating solution comprises a leveling agent, the leveling agent takes a polyhydroxy spirobiindene rigid structure as a skeleton, 3-hydroxypiperidine is grafted on an alpha reactive hydrogen site of the skeleton through aminomethyl through Mannich reaction, bromine atoms are introduced into the skeleton through bromination reaction, and a pinacol ester borate group is derived. And finally, introducing a dithiophene benzothiadiazole structure on the skeleton through a Suzuki coupling reaction to obtain the dithiophene benzothiadiazole-based polymer. According to the invention, the leveling agent is added into the gold plating solution to improve the binding force and the flatness of the plating layer so as to meet the copper wire bonding packaging requirement.

This invention relates to the field of vacuum glass production and discloses a vacuum glass sealing device, including a worktable with multiple rows of synchronously rotating rollers, a positioning groove and a limiting groove located between the rollers, a positioning component for longitudinally positioning the glass in the positioning groove, and a limiting component for laterally limiting the glass in the limiting groove, as well as two liftable conductive probe assemblies and a pressure application component. This invention not only simplifies and reduces the cost of metal edge sealing of vacuum glass but also facilitates large-scale production. Therefore, this invention is of great significance for reducing vacuum glass production costs, minimizing environmental pollution, and expanding the application range of vacuum glass. This invention overcomes the shortcomings of traditional sealing methods, such as high sealing temperatures, complex processes, and stringent sealing conditions, improving the sealing quality and production efficiency of vacuum glass, and is suitable for widespread application.

The present application relates to the field of vacuum glass production, and discloses a vacuum glass sealing process, which utilizes a conductive probe to contact a solder strip from an edge apex, uses the solder strip as a conductor to form a closed circuit, and generates heat in the solder strip itself during electrification to melt the solder strip, and a pressing assembly is used to press the solder strip to tightly combine with a glass silver paste layer. The present application can not only realize the convenience and low cost of vacuum glass metal sealing edges, but also easily realize large-scale production. Therefore, the present application has important significance for reducing the production cost of vacuum glass, reducing environmental pollution, and widening the application range of vacuum glass. The present application overcomes the defects of high sealing temperature, complex process, harsh sealing conditions and the like in the traditional sealing method, improves the sealing quality and production efficiency of vacuum glass, and is suitable for popularization and application.

The utility model discloses an internal expansion type multi-edge reamer, and belongs to the technical field of reamers. The internal expansion type multi-cutting-edge reamer comprises a reamer body, blades and an inner cone. The cutter body comprises a main cutter body and an outer cone, the outer cone is connected to one end of the main cutter body, and a conical inner groove is formed in the outer cone; a plurality of blades are arranged on the peripheral surface of the outer cone; the inner cone is connected into the conical inner groove, the outer cone can expand outwards or contract inwards in the radial direction of the outer cone by rotating the inner cone, and the inner cone and the conical inner groove are in multi-point contact. According to the internal expansion type multi-blade reamer, the hole shrinkage amount of the hole diameter size of a machining hole can be matched with the change of the environment temperature of a machining workshop, so that the internal expansion type multi-blade reamer is suitable for the machining workshop without a constant-temperature condition; meanwhile, the inner cone and the conical inner groove are in multi-point contact, jumping of all the cutting edges can be kept unchanged, the machining effect of the cutting edges of all the blades on machining holes is guaranteed, balanced machining of all the blades can be facilitated, and therefore the service life of the whole internal expansion type multi-cutting-edge reamer can be prolonged.