22 results about "Steel jacket" patented technology

The invention belongs to the technical field of integrated circuit testing, and particularly relates to a multi-station integrated circuit vibration testing device. Comprising a device body and further comprises a plurality of steel jackets, and the steel jackets used for installing testing clamps of different specifications are distributed on the four side faces and the upper surface of the device body respectively. The center of the upper surface of the device body is provided with the cylindrical groove cavity used for placing a sensor; and the locking screw holes are circumferentially distributed in the outer side of the cylindrical groove cavity, and the multiple locking screw holes penetrating to the lower surface are formed in the upper surface of the device body and used for locking and fixing the device body to a vibration table. According to the invention, a plurality of standardized steel sleeves are densely arranged on the side surface and the upper surface of the device body, so that the device can be simultaneously provided with a plurality of clamps with different specifications, thereby supporting the synchronous vibration test of integrated circuits with various packaging forms.

The invention discloses a balance buffering self-floating type ship collision prevention device in the technical field of bridge pier ship collision prevention equipment, and particularly comprises a first steel jacket box and a second steel jacket box, the second steel jacket box is sleeved with the first steel jacket box, a plurality of rows of connection steel plates are distributed in the circumferential direction of the outer surface of the second steel jacket box, one end of each connection steel plate is fixed to the first steel jacket box, and the other end of each connection steel plate is fixed to the second steel jacket box. The other end is fixed with the second steel jacket box; each connecting steel plate comprises a bent plate, the bending direction of the bent plate is horizontal, and the bending direction of the bent plate is opposite to the bending direction of the bent plate in another longitudinally adjacent connecting steel plate. The anti-collision device can continue to keep the anti-collision capacity after being collided once, and the overall stability of the anti-collision device is maintained.

The utility model discloses an oil recharging mechanism for a steel jacket product, relates to the technical field of oil recharging mechanisms, and aims to solve the problems that an oil recharging lubricating mechanism in the prior art is too complex in structure and poor in oil spraying effect, and the production and processing cost is greatly increased. The oil recharging mechanism comprises a bin body, and a push rod motor is fixed to the inner wall of the top of the bin body; a connecting plate is fixed to the bottom of the push rod motor, and the end, away from the push rod motor, of the connecting plate is rotationally connected with an oil spraying assembly. When a product moves to the position below the oil spraying assembly on the conveying belt, the position of the product is calibrated through the infrared sensor, oil in the oil tank is conveyed into the oil spraying nozzle through the oil conveying pipe, the hose, the connecting pipe, the bottom shell, the fixing pipe and the oil outlet pipe to be sprayed out through the oil pump, and the oil spraying assembly is driven to move downwards in cooperation with downward extension of the push rod motor. Oil is sprayed to the product from top to bottom, the servo motor is matched to drive the oil spraying assembly to rotate through the gears meshed with each other, and oil is sprayed to the product in all directions.

The utility model discloses a high -power electric heater for thick oil development, including stainless steel outer sleeve pipe, three heating cables and thermocouple sleeve pipe are sheathed in the stainless steel outer sleeve pipe, and thermocouple assembly is sheathed in the thermocouple sleeve pipe, and the end of stainless steel outer sleeve pipe is welded with sieve tube, and the end of sieve tube is connected with the pipe through the connecting ring away from stainless steel outer sleeve pipe, and the end of pipe is connected with the plug away from the connecting ring, and thermocouple sleeve pipe and three heating cables all pass sieve tube, connecting ring and pipe in proper order. The utility model heating part adopts stainless steel mineral insulation heating cable, and the heating is even, and the heating core wire adopts nickel chromium alloy, and the heat output is big, and the service life is long, and three stainless steel mineral insulation heating cable tail stars, and the electrical connection is convenient, and the electrical control system is simplified, and contains three thermocouples, can monitor the temperature change of three positions, adjusts voltage in time, guarantees that the heating temperature satisfies the requirement, and the heater tail has sieve tube, and the steam is convenient to flow out.

The surface-mounted high-speed permanent magnet rotor comprises an iron core, magnetic steel, an aluminum sleeve, a carbon fiber sleeve and aluminum end plates, the magnetic steel is attached to the periphery of the iron core in a surrounding mode, the aluminum sleeve is sleeved outside the magnetic steel, the carbon fiber sleeve is sleeved outside the aluminum sleeve, the aluminum end plates are arranged at the two ends of the iron core, and a plurality of screw holes are formed in the surfaces of the aluminum end plates in the circumferential direction. A balancing weight is arranged in the screw hole. According to the utility model, the aluminum sleeve is sleeved outside the magnetic steel, the carbon fiber sleeve is sleeved outside the aluminum sleeve, and the aluminum sleeve and the carbon fiber sleeve cooperate with each other to support the magnetic steel, so that the strength of the rotor is greatly improved, and the rotating speed of the rotor can reach 30000-50000 RPM; the outer circle of the rotor core is designed into a dodecagon with a boss in the middle, and the magnetic steel is designed into bread-shaped magnetic steel matched with the dodecagon boss. The magnetic steel is bonded on the 12-deformation iron core through epoxy glue, and the magnetic steel is axially divided into four sections, so that the loss of the magnetic steel is reduced.

The utility model relates to the field of steel jacket part machining, and discloses a steel jacket part rolling device which comprises a machine base, a bearing base is fixedly mounted at the top of the machine base, and an annular machining shell is fixedly mounted at the top of the bearing base; a rolling mechanism is arranged on the annular machining shell and comprises three hydraulic cylinders, three U-shaped frames, three rolling shafts and three first motors, the three hydraulic cylinders are fixedly installed on the outer wall of the annular machining shell and annularly distributed at equal intervals, and the output shaft ends of the three hydraulic cylinders extend into the annular machining shell. The device has the following advantages and effects that the cylinder sleeve type part can be stably positioned, displacement cannot occur in the rolling process, it can be ensured that stress is uniform and machining consistency is high in the rolling process of the cylinder sleeve type part, local stress concentration of the cylinder sleeve type part is avoided, and therefore the machining precision and the surface quality of the cylinder sleeve type part are improved.

The cutter set comprises a main body and fine boring units, the main body comprises a mounting base, a plurality of mounting grooves distributed at equal intervals are formed in the side wall of the mounting base, and the fine boring units correspond to the mounting grooves one to one and are detachably mounted on the mounting grooves; a blade with a cutting edge protruding out of the mounting base is arranged at the top end of the fine boring unit. A plurality of fine boring units easy to disassemble and adjust are installed to replace traditional reamers to conduct fine machining on steel jacket parts, all the blades are independently clamped through the fine boring units, when local blades are damaged, the whole cutter body does not need to be disassembled and replaced, the clamping time is shortened, the maintenance efficiency is improved, the maintenance cost is reduced, and the production efficiency is improved. And the large-batch production efficiency of the steel sleeve parts can be improved.

The application is suitable for the technical field of reinforced concrete reinforcement, and provides an outer steel sleeve reinforced damaged reinforced concrete frame structure, which comprises two groups of end reinforcement mechanisms, the end reinforcement mechanism comprises four reinforcement angle steels, further comprises: a middle reinforcement mechanism, the middle reinforcement mechanism comprises two connecting plates, a plurality of pressing plates are distributed between the two connecting plates, reinforcement steels are arranged on the pressing plates, two first connecting rods are symmetrically installed on the reinforcement steels at both ends, and two second connecting rods are symmetrically installed on the remaining reinforcement steels; and a supporting mechanism, the supporting mechanism comprises a plurality of supporting angle steels, two supporting plates are symmetrically installed on the supporting angle steels, sliding blocks on the supporting plates are connected with push rods through transmission rods, and the push rods are connected with push plates. The device can effectively reinforce the frame column, has good supporting effect, and can make the frame column have a use function even if the frame column is damaged.

The utility model discloses a steel sleeve structure of an injection molding machine, which is characterized by comprising a cylindrical sleeve body and further comprising a detection cavity, a steel sleeve, a steel sleeve and a steel sleeve, the temperature sensor is arranged in the detection cavity; the elastic block is fixed to the temperature sensor and extrudes the temperature sensor to be attached to the detection face of the detection cavity, and the detection face is the face close to the inner ring of the sleeve body; the temperature sensor is provided with an electric wire, an elastic sealing ring is fixed to the outer wall of the electric wire, the elastic sealing ring is inserted into the detection cavity to achieve sealing, the temperature in the steel sleeve is monitored to detect that a signal is sent to the alarm when the temperature value is too high, and an overheat alarm caused by the too high temperature of the steel sleeve is sent out so that lubricating oil can be added to the steel sleeve in time; and the situation that the guide rod and the steel sleeve are burnt is reduced.

The utility model relates to the technical field of pipeline reinforcement, and discloses a pipe jacking temporary reinforcing device which comprises a movable pipeline, the movable pipeline is composed of a plurality of pipe joints and a plurality of steel sleeve assemblies, and the pipe joints are arranged in gaps between every two adjacent steel sleeve assemblies. A plurality of connecting blocks are installed on the inner walls of the steel jacket assemblies, a plurality of inner supporting column assemblies are arranged in inner cavities of the pipe joints, and the two inner supporting column assemblies are in butt joint with the connecting blocks on the inner walls of the two adjacent steel jacket assemblies correspondingly; according to the utility model, the plurality of steel sleeve assemblies are arranged to wrap the two ends of the plurality of pipe joints, and the plurality of inner support column assemblies are used for connecting the plurality of steel sleeve assemblies in the inner cavities of the plurality of pipe joints to form an inner support; and the pushing force is transmitted to the next steel sleeve assembly through the multiple inner supporting column assemblies till the pushing force is transmitted to the steel sleeve assembly at the head end, through the arrangement, the resistance borne by the multiple pipe joints in the moving process is greatly transferred, and the damage risk is reduced.

The utility model discloses a kind of composite thermal insulation layer steel jacketed steam direct-buried thermal insulation pipe, including working inner tube, the surface of both ends of working inner tube is provided with reinforcing plate of equidistance distribution, the one end of reinforcing plate is connected with outer sheath, outer sheath and working inner tube between are provided with thermal insulation layer, thermal insulation layer and the side contact of reinforcing plate, the both ends of working inner tube are provided with connecting assembly, the surface of connecting seat two, connecting seat one and outer sheath is provided with auxiliary assembly, by the connecting assembly set in working inner tube, can effectively prevent the loosening and displacement caused by external pressure, further enhance the compactness of connection, effectively buffer the impact caused by soil settlement and thermal expansion and cold shrink, avoid the leakage caused by pressure change or connection loosening, simultaneously in the auxiliary assembly set in connecting assembly, not only can effectively adapt to complex topographic change, avoid the pipeline stress concentration and connection damage caused by topographic factor, also can enhance the sealing performance of connection.

The utility model provides a steel bushing vibration screening device which comprises a vibration disc, a screening channel and sorting channels, the vibration disc is communicated with the screening channel, the screening channel is communicated with a plurality of sorting channels, the sorting channels are used for sorting steel bushings of different specifications, and a spiral rising type vibration track is installed in the vibration disc. A discharging port in the uppermost end of the vibration rail communicates with the screening channel, a guiding device and a turnover device are arranged on the screening channel, the turnover device is located on the rear side of the guiding device, the guiding device is used for guiding qualified steel jackets, the turnover device is used for turning over the qualified steel jackets to the same direction, automatic operation of screening of the steel jackets is achieved, and the screening efficiency is improved. The screening efficiency is greatly improved, the screening accuracy of different steel jackets is enhanced, confusion is avoided, the adaptability of follow-up automobile parts is guaranteed, meanwhile, a traditional manual screening mode is replaced, the workload of workers is relieved, and the labor cost is saved.

The utility model discloses a restraint type central traction rubber sleeve, which relates to the technical field of passenger car bogies and comprises a steel inner sleeve and a steel outer sleeve, the steel outer sleeve is coaxial with the steel inner sleeve and sleeved in the steel inner sleeve, and lining plates are arranged at longitudinal local angular positions of the steel inner sleeve and the steel outer sleeve. Rubber formed through vulcanization is further arranged in a gap between the steel inner sleeve and the steel outer sleeve, and a gap is reserved between the lining plate and the steel outer sleeve. According to the restraint type central traction rubber sleeve, a layer of lining plate is additionally arranged at the longitudinal local angle position of the steel inner sleeve and the steel outer sleeve on the basis of a traditional structure, so that the restraint type central traction rubber sleeve is formed by vulcanizing the steel outer sleeve, the steel inner sleeve, the lining plate and rubber, and therefore the longitudinal displacement of a vehicle is not too large when the vehicle is dragged and braked; the problem of longitudinal interference between vehicle parts and generation of large longitudinal impulse are avoided, in order to adapt to relative movement between a vehicle body and a bogie, only a gap is reserved between the lining plate and the steel inner sleeve, and longitudinal displacement during traction braking of a vehicle is well restrained.

The utility model belongs to the technical field of pipeline installation equipment, and discloses a buried steel jacket steel pipeline fixing device which comprises a base, and hollow blocks are fixedly installed at the bottom ends of the left side and the right side of the base. By arranging inserting rods, grooves, movable blocks, first springs and moving blocks, an operator presses two connecting blocks to enable the two inserting rods to move downwards, so that the outer surfaces of the two inserting rods extrude and push the outer surfaces of the four moving blocks, and the four moving blocks drive the four movable blocks to move oppositely; when the bottom ends of two inserting rods are inserted into soil, pressing on two connecting blocks is stopped, due to the recovery effect of the elastic force of the four first springs, four movable blocks drive four moving blocks to move in opposite directions, and then the four moving blocks move into grooves; therefore, the whole base is fixed.

The utility model provides a slagging-off hole molten steel jacket assembly convenient to replace, which comprises a molten steel jacket mold, a heat dissipation plate arranged below the molten steel jacket mold, a first connecting plate arranged on one side of the heat dissipation plate, a corresponding second connecting plate arranged on one side of the molten steel jacket mold, and connecting holes formed in the first connecting plate and the second connecting plate. A connecting hole is formed between the molten steel jacket mold and the heat dissipation plate, a bolt for connecting the molten steel jacket mold and the heat dissipation plate is arranged in the connecting hole, a heat dissipation mechanism is arranged in the heat dissipation plate, and the heat dissipation mechanism extends to the connecting hole of the first connecting plate. And the heat dissipation mechanism is arranged between the two parts and extends to the connecting hole, so that heat dissipation is carried out on the periphery of the connecting hole, and the situation that disassembly is affected due to large dislocation deformation of the two parts is prevented.

The utility model relates to a steam heat preservation pipe technical field, specifically disclose a kind of steel jacketed steel direct-buried steam heat preservation pipe, including coaxially arranged inner working pipe and outer sheath pipe, the outer surface of outer sheath pipe is fixedly connected with annular reinforcing rib, the inner working pipe is fixed between outer sheath pipe with connecting structure, the connecting structure is respectively arranged in pipeline axial both ends, the connecting structure includes multiple circumferentially distributed connecting rib, outer sheath pipe is additionally reinforced rib, and the ability of anti-soil pressure and geological subsidence deformation is greatly improved, effectively protect the heat preservation layer is not crushed failure, double-layer heat preservation layer combines intermediate vacuum partition structure, substantially improve the long-term heat preservation efficiency and stability of high-temperature steam delivery, significantly reduce heat loss, overall structure design is reasonable, alloy steel material ensures strength and corrosion resistance, significantly improve the safety reliability, heat preservation durability and service life of pipeline in complex working conditions such as deep burying, intersection, settlement.

A steel wire rope carrier roller device of a large double-drum winch belongs to the technical field of water conservancy and hydropower engineering construction and comprises a hollow ground roller assembly and five groups of solid ground roller assemblies, the hollow ground roller assembly is arranged on a flat section in front of an upward bend of an inclined shaft, and the solid ground roller assemblies are poured, mixed and fixed on the bent section of the inclined shaft in the length direction of the bent section of the inclined shaft. The hollow ground roller assembly comprises first round steel, the two ends of the first round steel are fixed through supporting plates, the first round steel is sleeved with a rotatable steel pipe, the steel pipe is arranged between the two supporting plates in a sleeved mode, the solid ground roller assembly comprises a bottom supporting support, and the bottom supporting support is poured, mixed and fixed to the inclined shaft bent section. And the bottom support is connected with a rotatable steel bar. The device can effectively prevent the steel wire rope from rubbing the ground to damage the steel wire rope, can effectively disperse the stress of the steel wire rope on the upper bent section of the inclined shaft, and avoids concentrated stress of the steel wire rope.

The invention discloses a preparation process of a composite gradient material based on additive manufacturing-hot isostatic pressing, which comprises the following steps: firstly, carrying out three-dimensional digital discretization and occupation on a target gradient component, dividing multiple groups of gradient material filling areas and ceramic occupation medium filling areas, and completing model slicing; then, a powder densification constitutive model is constructed through ANSYS finite element analysis, multi-step transient analysis is conducted on the whole hot isostatic pressing process, and the shrinkage amount, densification behavior and residual stress of the component are accurately predicted; then, based on slice data, a coaxial powder feeding additive manufacturing process is adopted, and accurate filling of multi-component powder and prefabricated body preparation are completed in a universal repeatable steel sheath; and finally, the gradient component is obtained through hot isostatic pressing densification and post-treatment. According to the method, a customized sheath is replaced with a universal sheath, precise controllable preparation of the complex three-dimensional gradient structure is achieved in combination with digital additive manufacturing, the production period is greatly shortened, the preparation cost is reduced, and meanwhile the forming precision and performance consistency of the gradient component are improved.

The utility model discloses a universal double-station magnetic ring steel sleeve edge closing machine, which relates to the field of magnetic ring processing and comprises a fixed frame, and two stations are arranged on the fixed frame at intervals. The rotating mechanism is installed on the fixed rack, each station is provided with a set of rotating assembly, the magnetic rings and the steel sleeves are sequentially placed on the rotating assemblies, and the rotating mechanism drives the magnetic rings to rotate; the pressing mechanism is installed on the fixed rack in an up-down lifting mode, pressing blocks are arranged on the pressing mechanism and correspond to the rotating assemblies, and the pressing blocks are used for pressing the magnetic rings and the steel sleeves; the edge closing mechanisms are arranged on the outer sides of the rotating assemblies and used for closing the edges of the steel sleeves on the rotating assemblies; and the electrical control system is used for supplying power to the pressing mechanism, the rotating mechanism and the edge closing mechanism to realize electrical control. According to the utility model, two magnet ring steel sleeve edge closing procedures can be completed only by carrying out one-time feeding and discharging on the universal magnet ring steel sleeve edge closing machine.

The application provides a robust reliable H∞ control method for offshore steel jacket platform models, first establishes a mathematical model of OSJPs, and considers the first main vibration mode. Then, a controller based on memory SDC is designed, which can realize effective control by reducing data transmission amount under the condition that the state of the continuous time system is only available at the sampling time. In addition, a back loop function method, an integral inequality based on a free matrix (FMB) and a linear matrix inequality (LMI) technology are introduced to obtain sufficient conditions about the uncertain offshore platform system, so that the stabilization of the OSJPs is solved, and the reliable SDC design with disturbance suppression level is realized. The simulation result of the application shows that the proposed method can not only effectively reduce the vibration of the OSJPs, but also maintain the stability of the system in the case of model uncertainty and actuator failure, proving the effectiveness and importance of the proposed control strategy.

The application discloses a kind of high Nb content TiAl intermetallic compound porous materials and preparation method thereof, belong to intermetallic compound porous material preparation field.The application mixes low oxygen content TiAl alloy coarse powder and high oxygen content superfine Nb powder after powder, and then is loaded into stainless steel jacket, is vibrated, is vacuumized, is sealed, and then is sequentially subjected to 850~950 DEG C first stage hot isostatic pressing sintering and 1000~1150 DEG C second stage hot isostatic pressing sintering, and is obtained immediately.The application is based on the physical accumulation of coarse particle size powder into pore, utilizes the easy diffusion characteristics between Nb and TiAl, realizes TiAl sintering at lower sintering temperature, and realizes porosity of 40~50% by adjusting temperature and pressure of hot isostatic pressing.The application has simple technological process, low production cost, and is suitable for industrial production.

The invention relates to a steel jacket box concrete core grouting section increasing and reinforcing bridge foundation and a construction method. The steel jacket box concrete core grouting section increasing and reinforcing bridge foundation comprises pier columns, a unit type construction platform, a hoop type circular reaction frame and a steel jacket box combined sealing bottom. A hoop type circular counter-force frame is arranged on the outer side of the pier column, a steel jacket box is arranged on the lower portion of the hoop type circular counter-force frame, and an orifice protection beam is arranged on the top of the steel jacket box. A unit type construction platform is arranged on the outer side of the hoop type circular reaction frame; the unit type construction platform comprises a hoop connecting plate and a construction platform hanging bracket; the hoop connecting plates are arranged on the outer sides of the pier columns, and the construction platform hanging brackets are arranged at the four corners of the unit type construction platform. The bottom of the steel jacket box combined sealing bottom sequentially comprises a prefabricated plate sealing bottom and a steel plate sealing bottom from top to bottom. A formwork positioning plate is arranged on the inner side of the steel plate sealing bottom, the side wall of the formwork positioning plate is connected with a formwork, and a pier column is arranged in the formwork. The device has the beneficial effects that the pouring jacket is prevented from inclining, sinking and blocking; the one-time plugging success rate of the combined bottom sealing of the steel jacket box is high