39 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 local deepening foundation waterproof support construction method in a deep foundation pit. The method comprises the steps that the soil texture condition of a to-be-excavated land is obtained, and the foundation pit is excavated and leveled; after a first concrete cushion layer is poured at the bottom of the foundation pit, a cement mortar bonding layer is laid; installing a single-wall bottomed steel jacket box and then injecting water; concrete is poured on the outer wall of the single-wall steel jacket box with the bottom; a waterproof layer and a waterproof protection layer are arranged after a second concrete cushion layer is poured; binding foundation steel bars; an inner formwork is installed on the foundation steel bars in the single-wall bottomed steel jacket box; and foundation concrete is poured, and construction is completed. The invention relates to a construction method for a local deepening foundation waterproof support in a deep foundation pit, which effectively solves the problems of high difficulty, poor effect, long period and high cost of the traditional local deepening support construction of the deep foundation pit through a core technical scheme of a single-wall steel jacket box with a bottom, micro-expansion concrete filling, refined waterproof joints and synchronous construction.

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 utility model discloses a semi-automatic steel jacket feeding jig which comprises a die and a jig body capable of being connected with the die in an assembling mode, the die is provided with a steel jacket transfer needle, the jig body comprises a bottom plate, a top plate and a movable plate, the top plate is connected with the bottom plate through a guide column, and the movable plate is located between the top plate and the bottom plate and movably connected with the guide column. A sleeve is arranged on the movable plate, a trocar is arranged on the top plate, and the trocar penetrates through the sleeve. According to the semi-automatic steel sleeve feeding jig, when a steel sleeve is fed, the steel sleeve is firstly arranged on the sleeve needle in a penetrating mode, then the jig body is assembled on a die, the sleeve needle is in butt joint with the steel sleeve transfer needle, then the movable plate is pressed, the sleeve acts on the steel sleeve, the steel sleeve is pushed to the steel sleeve transfer needle from the sleeve needle, and therefore the steel sleeve is fed to the die; by means of the jig body, feeding of the steel jackets can be more convenient and simpler, the multiple steel jackets can be fed at the same time, then the feeding efficiency of the steel jackets can be improved, and the manual labor intensity and the labor cost are reduced.

The invention relates to the technical field of nondestructive testing of pressure-bearing equipment, and discloses a jacket type phased array ultrasonic 0-degree longitudinal wave detection device which comprises a jacket, a phased array probe and an encoder, a through groove is formed in the center of the jacket, the phased array probe is embedded in the through groove, the bottom of the phased array probe is higher than the bottom face of the jacket, and the encoder is arranged in the through groove. A gap exists between the bottom of the phased array probe and the bottom surface of the jacket, and the encoder is connected to one side of the jacket. According to the phased array ultrasonic contact longitudinal wave detection device, the stainless steel jacket and the phased array probe are combined, so that the problem of wear failure caused by direct contact of the probe and a workpiece and interface wave interference caused by a traditional 0-degree organic glass wedge block are effectively avoided, the sound energy transmission efficiency is improved, and the detection precision is improved. The problem that 0-degree longitudinal wave detection of a large-thickness workpiece is not reliable is solved.

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 utility model relates to the technical field of blanking devices, in particular to a blanking mechanism and a cutting device for machining aluminum and steel jackets. A sliding block is arranged on the push plate; the discharging mechanism has the beneficial effects that a first motor drives gears to rotate, all the gears are in meshing transmission to drive all the rotating rollers to rotate, products above the rotating rollers rotate along with the gears, chippings on the products fall into the discharging mechanism body, the chippings on the products are cleaned, a threaded rod rotates along a threaded hole formed in a push plate, and therefore the products can be conveniently discharged. A pushing plate and a sliding block slide along a sliding groove, the pushing plate pushes a product, the bottom of the pushing plate can push chippings on the inner side of the discharging mechanism body to move to a through groove and fall into a waste box through the through groove, and the situation that workers are scratched by the chippings falling all around during working and the chippings on the device is avoided; and in addition, workers only need to regularly clean the chippings in the waste box, so that the workload of the workers is reduced.

The invention discloses a crash bearer bearing platform steel jacket box inner support self-adaptive adjusting method adapting to water level changes. The method comprises the steps of self-adaptive inner support configuration, sensing module deployment, data monitoring, data transmission and preprocessing, stress analysis and self-adaptive control. Through the design of the self-adaptive inner support, the water level change and the concrete pouring progress are responded in real time, and real-time self-adaptive balance of the dynamic load is achieved; the requirements of concrete pouring continuity and river environment unpredictability for real-time control are met by collecting data in real time, analyzing stress to solve the optimal adjusting quantity and driving the double-acting hydraulic oil cylinder to control stretching and retracting of the self-adaptive inner support, the construction risk is reduced, the operation efficiency is improved, the structural adaptability and safety are enhanced, and the construction cost is reduced. Therefore, intelligent upgrading of construction is promoted.

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 relates to the technical field of heat pipeline, and disclose a kind of steel jacket steel compensation structure of steam heat pipeline, including heat pipeline, and the first compensation shell and the second compensation shell are equipped on heat pipeline, and the fixed plate is fixed in the top and bottom of the first compensation shell and the second compensation shell, and the sleeve and the sleeve rod are respectively fixed on fixed plate, and the reset spring is fixed in sleeve, and the installation cavity is set in the first compensation shell and the second compensation shell, and the first spring and the installation pad are equipped in installation cavity, and the fixed frame is fixed in the second compensation shell one end, and the limit rod is fixed in fixed frame, and the limit plate and the second spring are equipped on limit rod, and the plug rod is fixed on limit plate, and the fixed block is fixed in the first compensation shell one end, and the insertion slot is set in fixed block, in the utility model, by the cooperation of second spring, limit plate and plug rod, plug rod is released from insertion slot Limit, and then the disassembly and installation of the first compensation shell and the second compensation shell are facilitated.

The invention discloses a universal shaping pipe structure which comprises a universal pipe body, and the universal pipe body is composed of an inner pipe made of flexible materials and a stainless steel shaping pipe arranged on the periphery of the inner pipe in a sleeving mode. Wherein the water inlet end and the water outlet end of the universal pipe body are respectively provided with a metal sleeve piece; the metal sleeve piece is sequentially composed of a steel outer sleeve, an inner sleeve and an inner plug from outside to inside. The end head of the shaping pipe is pressed and fixed in a port between the steel outer sleeve and the inner sleeve; the two ends of the inner pipe extend out of the shaping pipe, and the ends of the inner pipe are pressed and fixed between the inner plug and the inner sleeve. The device is novel in structure, attractive in appearance, corrosion-resistant and durable, and can be directly assembled on a water control valve of a household kitchen by taking a traditional rigid water outlet pipe.

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 belongs to the technical field of cofferdam devices, and particularly relates to a concrete water-stop ring beam cofferdam device which comprises a steel jacket box and further comprises a base fixedly installed at the top of the steel jacket box, and a nut fixedly installed at the top of the base. Then the inserting grooves are arranged through the concrete ring beams, then the anti-slide piles are installed through the inserting grooves, after the device sinks in place and drains water, bottom sealing concrete does not need to be used for covering the bottom of the whole cofferdam, a template is installed, and the anti-slide piles are installed for reinforcement treatment; after the concrete is mixed with a small amount of sludge, the effect of fixing the cofferdam is achieved through the bonding force between the concrete and the rock stratum and the interface shear bearing capacity, the water stopping effect is achieved through the interface water stopping performance between the concrete and the rock stratum containing the surface cracks, the pile cap construction space does not need to be excavated through cutting into a concrete ring beam after pouring is completed, the construction period is shortened, and the construction cost is reduced. And the construction efficiency is improved.

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 the technical field of food processing, in particular to an efficient evaporator for food processing, which comprises a tank body, a vacuum pump, stirring blades and a stainless steel jacket, the stainless steel jacket is arranged at the circle center of the tank body, the vacuum pump is arranged on one side of the tank body, and a tank cover covers the top of the tank body. Through an assembly composed of the tank body, the vacuum pump, the stirring blades and the stainless steel jacket, a set of evaporator with high heat transfer efficiency is provided for food concentration processing, steam generated by a heated medium in the tank body can pass through the stainless steel jacket located in the middle of the tank body and then is discharged outwards, and the heat transfer efficiency is improved. By arranging the stainless steel jacket, steam generated by heating can better heat a medium in the middle of the tank body through the stainless steel jacket, so that the condition that the heating medium cannot directly heat the middle area of the tank body is made up, the heating efficiency is better, and the heated and concentrated medium in the tank body is stirred through the stirring blades; and the concentration uniformity of the heating concentration medium is better.

The application relates to the field of ocean engineering, and provides a super-large offshore anti-collision steel jacket construction process and a steel jacket. One of the super-large offshore anti-collision steel jacket construction processes comprises the following steps: intelligent modeling and process optimization; modular segmentation and deformation control; intelligent corrosion prevention and quality control; and total assembly precision control. The application has the effect of utilizing intelligent modeling and segmented manufacturing and providing an efficient corrosion prevention process to meet the anti-collision requirements of a cross-sea.

The utility model relates to the technical field of guiding and positioning, in particular to a steel-in-steel steam directly-buried pipe penetrating guiding and positioning device which comprises a frame and a round pipe, the round pipe is fixedly connected in the frame, and a guiding mechanism is arranged in the frame. The steel-in-steel steam directly-buried pipe is placed in the round pipe, a first rotating wheel is rotated, the rotating wheel drives a worm to rotate, the worm drives a worm wheel to rotate, the worm wheel drives a pin rod to move through a sliding groove formed in the worm wheel, the pin rod drives a supporting rod to move, the supporting rod drives a first support to move, and the first support drives a rolling wheel to move. The rollers are attached to the outer wall of the steel-sleeved-steel steam directly-buried pipe, the position of the steel-sleeved-steel steam directly-buried pipe corresponds to the position of the outer-sleeved steel pipe, the steel-sleeved-steel steam directly-buried pipe is pushed, the steel-sleeved-steel steam directly-buried pipe is inserted into the outer-sleeved steel pipe, and the rollers play a role in guiding and positioning the movement of the steel-sleeved-steel steam directly-buried pipe. And guiding and positioning are carried out on the steel-sleeved-steel steam directly-buried pipe in multiple directions.

The utility model belongs to the technical field of lifting appliances, and particularly relates to a hub assembly lifting appliance. A rectangular through hole is formed in the upper end of a bent plate in the lifting appliance, a triangular lifting ring is slidably connected into the rectangular through hole, an adjusting bolt is in threaded connection with the top of the bent plate, the end of the adjusting bolt is inserted into the rectangular through hole, and a plurality of limiting screws are inserted into the side face of the bent plate from top to bottom and inserted into the rectangular through hole. The depth of the adjusting bolt inserted into the rectangular through hole is adjusted, the lower end of the bent plate is detachably connected with the upper end of the hanging plate through a bolt, the lower end of the bent plate is fixedly connected with two steel jackets, brass bushings are arranged in the steel jackets, and the outer sides of the brass bushings are in interference fit with the inner sides of the steel jackets. The lifting appliance can flexibly adjust the center of the lifting appliance, so that the center of lifting equipment coincides with the gravity center of a hub assembly, the problem of horizontal lifting of the hub assembly is fundamentally solved, and meanwhile, the lifting appliance has an adjusting function and can counteract an inclination angle caused by abrasion of a brass bushing at any time.

The utility model relates to the technical field of pressure pipeline repairing equipment, and particularly discloses a temporary supporting device for a pipeline breakpoint lining hose in pressure pipeline lining repairing. Comprising a steel jacket hooped on the outer wall of the pressure pipeline through a high-strength hoop; the rubber gasket is arranged on the inner side of the steel outer sleeve and located between the two adjacent pressure pipelines. Through the arrangement of the steel jacket, the steel jacket can be used for forming a rigid support frame to protect the lining repair hose when the lining repair hose is installed and cured in a lining turning mode, and the lining repair hose is prevented from being damaged in the construction process. Through the arrangement of the rubber gasket, a rigid-flexible-rigid compensation system can be constructed, and the lining repair hose is protected from the aspects of axial deformation and reduction of regional area compression; and meanwhile, the thickness of the pressure pipeline is compensated, and the lining repair hose is tightly attached and protected. The problems that a traditional lining hose is not provided with a temporary supporting system during construction, and consequently the lining hose is prone to damage, pressure relief, deformation and the like are solved.

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.