163results about How to "Realize hoisting" patented technology

The invention relates to the technical field of aero-engines and provides a centering device for a high pressure turbine rotor of an aero-engine. The centering device comprises a frame, a bearing pedestal and a through connection base. The frame comprises an inner ring of the frame, an outer ring of the frame, a bearing beam, a mounting edge of the frame, a hosting bolt hole and a hanging ring screw. The inner ring of the frame is fixedly connected to the bearing pedestal through the through connection base. A centering bearing inner ring is mounted on the bearing pedestal in a sleeving manner. The invention also provides an application method of the device. The application method comprises the following steps: first, assembling a low pressure turbine rotor assembly; then putting sample paste to a to-be-measured part; then mounting the hanging bolt hole on a D type bolt of an outer cartridge receiver in a sleeving manner; then sleeving the hanging ring screw into a crane and hoisting the device and the low pressure turbine assembly; then locking the centering bearing inner ring to a centering bearing outer ring in a rotor back shaft in a fit manner; and finally, plastifying the sample paste and measuring the thickness of an indentation of the sample paste. According to the high pressure turbine rotor provided by the invention, centering of the high pressure turbine rotor and hoisting of the low pressure turbine assembly can be achieved synchronously in a clamping measuring process, so that the accuracy and effectiveness of axial clearance measurement of the rotor and the stator are improved.

The invention relates to an aero-engine multistage rotor and stator unit body positioning and hoisting device, which comprises a process cartridge receiver, a lug shaft, a first screw bolt, a transfer disc, a second screw bolt, a fixing plate, a core expansion ring and a third screw bolt, wherein the process cartridge receiver is connected with the back installing edge of a stator cartridge receiver of a rotor and stator unit body through the first screw bolt, the transfer disc is connected with the process cartridge receiver through the second screw bolt, the fixing plate consists of a plurality of fan-shaped sections, the inner edge of each fan-shaped section is a slope surface, the outer edge of each fan-shaped is provided with a U-shaped groove, the U-shaped groove is matched with a radial plate of the last-stage disc of the rotor and stator unit body, the core expansion ring is provided with a convex edge, the outer part of the convex edge is a circular conical surface, the circular conical surface is matched with the slope surface of the inner edge of the fixing plate, and the transfer disc, the fixing plate and the core expansion ring are connected through the third screw bolt. The device provided by the invention has the advantages that the positioning and the hoisting of the multistage rotor and stator unit body are realized, and the axial and radial collision of a rotor and a stator is avoided.

The invention provides a support frame or a scaffold and a construction method thereof. The support frame or the scaffold comprises a transverse rod, a horizontal inclined rod, an upright rod and an inclined rod, and is characterized in that: a disk chuck is arranged on the upright rod; the transverse rod, and the horizontal inclined rod and the inclined rod are clamped on the disk chuck through joints thereon and are fixed through pins. The support frame or the scaffold has the advantages of simple structure, standard members, high bearing capacity, steel conservation, rapid assembly and disassembly and easy transportation.

The invention relates to a compensation method of two-freedom wave compensation system based on sea-sky line detection. The compensation method comprises the following steps: building a compensation system, collecting an image, calculating expansion and contraction quantity of compensation hydraulic cylinders, performing primary compensation and secondary compensation. The compensation method has the advantages that the horizontal attitude angle of a ship body is calculated according to a sea-sky line image collected by a CCD (Charged Coupled Device) industrial camera, the horizontal attitude angle is transmitted to an industrial control machine, the industrial control machine is used for performing inverse solution to obtain the expansion and contraction quantity of four hydraulic cylinders; a calculated compensation value is converted from a digital signal to an analog signal through a D / A converter; the analog signal is transmitted to an electrolyte server valve through a server amplifier; the server valve is used for controlling the expansion and contraction quantity of four compensation hydraulic cylinders according to the processed analog signal to realize real-time compensation for the rolling and pitching of an operation device on a movable platform; closed-loop control is performed through the difference between a measured value and a calculated valve, and the stability of the compensation system is further enhanced.

The invention provides a brake clamp testbed. The brake clamp testbed comprises a support capable of fixing a brake clamp, and a rotary disc unit capable of linearly reciprocating in the direction vertical to the support. Two limiting units capable of hoisting the brake clamp are installed on the top of the support, first through holes capable of being connected with the two ends, in the clamping direction, of the brake clamp in a sleeving mode are formed in the limiting units, and the support is provided with a first driving unit capable of driving the brake clamp to rotate around the axes of the first through holes. The rotary disc unit comprises a rotary disc with the two side faces capable of being clamped by the brake clamp at the same time, and a second sliding base capable of supporting the two sides of the rotary disc. The second sliding base is connected with a second driving unit capable of driving the second sliding base to linearly move. The test result is accurate, and the assembly efficiency of the brake clamp is high.

The invention belongs to nuclear reactor internal hoisting equipment and particularly relates to a reactor internal hoisting tool. A lifting ring is respectively connected with connecting flanges through three connecting rods which are evenly disposed on the lower end of the lifting ring, and the connecting flanges are disposed on cylinder walls of three movable support guide cylinders in the vertical direction. Each movable support guide cylinder is provided with a hollow movable support guide rod which penetrates through the movable support guide cylinder. The upper end of each movable support guide rod is located outside the movable support guide cylinder. Each operating rod is composed of an external sleeve and an internal core bar. The upper end portion of each movable support guide rod is connected with the external sleeve of one operating rod. The internal core bar of each operating bar penetrates through the movable support guide rod and is connected with one petaling reactor internal hoisting head. Movable supports are respectively disposed on three movable support guide cylinders. Six sets of measuring assembly gripping apparatus are installed on the lower portions of the movable supports. The reactor internal hoisting tool controls the measuring assembly gripping apparatus to grab or release measuring assemblies through air cylinders, and controls the reactor internal hoisting heads to grab or release reactor internals through the operating rods.

The invention discloses an assembly type pavement structure and a construction method, and aims to effectively improve the connection safety, the adjustment capability and the repairable capability of a prefabricated pavement, facilitate the manufacturing and transportation of the prefabricated pavement, and facilitate the assembly, repair, replacement and construction. Prefabricated pavement slabs are assembled on a roadbed to form an assembled pavement, each prefabricated pavement slab is of a prestressed reinforced concrete structure, longitudinal lower grooves are formed in the two longitudinal connecting ends of each prefabricated pavement slab at intervals in the width direction, and transverse lower grooves are formed in the two transverse connecting ends of each prefabricated pavement slab at intervals in the width direction. Rod-shaped connecting components are arranged in the corresponding longitudinal lower grooves or the corresponding transverse lower grooves of every two adjacent prefabricated pavement slabs. An isolation layer is laid on the surface of the roadbed, after the assembled prefabricated pavement slab is leveled, self-compacting concrete is densely poured into a gap between the laid isolation layer and the prefabricated pavement slab to form an adjusting layer, and positioning bosses which protrude upwards and are embedded into longitudinal lower grooves and transverse lower grooves of the prefabricated pavement slab are formed on the adjusting layer.

The invention relates to a bridge segment lifting device and method. A beam top lifting device placed at the top of an erected beam segment and a beam bottom lifting device placed at the bottom of the erected beam segment are included. The beam bottom lifting device comprises a lower walking track. A front wheel pair and a back wheel pair are arranged on the lower walking track. A between-track-front-wheel-pair-and-back-wheel-pair rigid connecting piece is arranged between the front wheel pair and the back wheel pair. Lifting devices are arranged on the front wheel pair and the back wheel pair. A power group which can move along the track is arranged on the back wheel pair. The beam top lifting device comprises a segment lifting state converting and lifting counterpoint mechanism arranged at the top of the erected beam segment. A front horizontal beam and a back horizontal beam are arranged on the mechanism. Lifting devices are arranged on the front horizontal beam and the back horizontal beam. A between-front-horizontal-beam-and-back-horizontal-beam rigid connecting piece is arranged between the front horizontal beam and the back horizontal beam. A pulling pressing jack is arranged at the front end of the top of the mechanism. The bridge segment lifting device and method have the advantages that the field application range of bridge segment lifting and splicing working can be expanded.

The invention discloses an engine assembly transporter which comprises a hanging rail and a movable lifting mechanism, wherein the movable lifting mechanism is movably hung on the hanging rail and comprises a drive motor, a driving shaft, an automatic clutch structure and a lifting bracket below the drive motor; the driving shaft is linked with the drive motor; a movable wheel and a winding wheel are arranged on the driving shaft in a sleeving manner; the drive motor selectively drives the movable wheel or the winding wheel to rotate through the automatic clutch structure; the movable wheel is hung on the hanging rail and forms rolling connection with the hanging rail; one end of a driving belt is fixed and wound on the winding wheel, and the other end of the driving belt is fixedly connected with the lifting bracket; and an automatic engine clamping mechanism and a driving belt locking mechanism are further arranged on the lifting bracket. The engine assembly transporter can realize hoisting, lifting and transporting automation when an engine is transported to facilitate improvement of the production efficiency and avoid the phenomenon that the engine is knocked or scratched.

The invention provides a full-automatic numerical control hydraulic turnout tamping wagon, and belongs to the field of railway sleeper underneath turnout tamping equipment. The full-automatic numerical control hydraulic turnout tamping wagon is characterized in that a chassis comprises a travelling chassis (1) and a moving chassis (2), wherein the moving chassis (2) is connected with the travelling chassis (1) in a traverse telescoping mode. Two tamping mechanisms (5) are installed on the moving chassis (2) in a transverse movement mode. Rail clamping mechanisms (3) which are used for clamping steel rails are arranged on the travelling chassis (1) and the moving chassis (2). A railway leaving mechanism (4) is arranged in the middle of the moving chassis (2). A locating sensor which detects the travelling operation position of a complete machine is arranged on the travelling chassis (1), and a detection sensor which detects the return position and a locating sensor which detects the position of a clamped rail are arranged on the moving chassis (2). By the adoption of the full-automatic numerical control hydraulic turnout tamping wagon, all operation such as equipment transfer, automatic tamping operation of all turnouts and railway coming and leaving operation of equipment can be achieved by a single worker, manpower is saved, the working quality is improved, the interference on train travelling is low, and the industrial upgrade of the railway line turnout tamping operation from mechanization to automation is achieved.

The invention discloses a small mechanical cantilever crane capable of rotating and transversely moving, and belongs to the technical field of maintenance hoisting equipment. The small mechanical cantilever crane is used for hoisting small equipment and components. According to the technical scheme of the small mechanical cantilever crane, a supporting stand column is arranged vertically; the lower end of the supporting stand column is fixedly connected with a foundation through foundation bolts; a vertical rotating shaft is arranged at the upper end of the supporting stand column; a rotatingshaft sleeve is mounted on the outer portion of the rotating shaft; the outer wall of the rotating shaft sleeve and one end of a rotating beam in the horizontal direction are connected in a welded manner; a running support is arranged vertically; the upper portion of the running support is connected with the rotating beam; universal trundles are mounted at the lower end of the running support; anda hoisting mechanism is mounted on the rotating beam and is provided with rolling wheels in rolling fit with the rotating beam. The small mechanical cantilever crane is simple in structure and convenient to use and can do 360-degree rotating motion and transverse movement in the hoisting process; displacement of a hoisted objected between any two points within a certain range is easily achieved;the defect that a crown block and other large hoisting equipment are not suitable for hoisting small parts can be remedied; and the work efficiency of the production site is improved.

The invention discloses a taking-out and placing-in device used for a carbon fiber continuous oil-sucking rod. The taking-out and placing-in device comprises a main vehicle and an auxiliary vehicle. A control chamber, a power output mechanism, a hydraulic mechanism and a roller are arranged on the main vehicle, an industrial personal computer (IPC) is arranged in the control chamber and connected with the power output mechanism, one end of the power output mechanism is connected with an engine of the main vehicle, the other end of the power output mechanism is connected with a first pump and a second pump of the hydraulic mechanism correspondingly, wherein the first pump is connected with the roller; and a well opening supporting frame, a scraper and an injecting head capable of being connected with the second pump are detachably arranged on the auxiliary vehicle, a truck with a crane is further arranged on the auxiliary vehicle, the well opening supporting frame can be fixed at a well opening, the injecting head can be fixed on the well opening supporting frame and opposite to the well opening, a guider is arranged on the injecting head, the scrapper can be fixed at the lower end of the injecting head, and the carbon fiber continuous oil-sucking rod which winds around the roller can penetrate through the injecting head and the scrapper along the guider, and is taken out from or placed in an oil well through the injecting head. According to the taking-out and placing-in device, placing in and taking out of the carbon fiber continuous oil-sucking rod can be achieved conveniently and rapidly.

The invention relates to underground pipe gallery pipe section assembly equipment and a construction method. The equipment includes a pipe-laying machine, an assembling robot arm, an alignment trolleyand a pipe truck, wherein the pipe-laying machine includes a main beam, an auxiliary leg, a front leg, a rear leg and a lifting crane, the assembling robot arm is located at a lower portion of the front leg and is provided with a hydraulic lifting mechanism and a front end lateral alignment mechanism to realize longitudinal and lateral alignment of a front end of a pipe gallery, the alignment trolley is located in an assembled pipe section and is provided with a lateral hydraulic overhang alignment mechanism to realize lateral alignment of a rear end of the pipe gallery, the pipe truck is provided with a turning mechanism to turn the pipe gallery, and the construction method includes pipe section transportation, pipe section turning, pipe section lifting and pipe section installation. Theequipment is advantaged in that transportation and laying equipment functions are integrated together for construction, not only can transportation and turning of the pipe section be realized, but also lifting and installation of the pipe section can be realized, moreover, construction efficiency is further improved, and labor intensity is reduced.

The invention discloses a steel box girder of a steel structure bridge. The steel box girder comprises a bottom plate, transverse partition plates, longitudinal partition plates and a connecting steelframe assembly. Two inclined webs are symmetrically and integrally formed on two sides of the bottom plate, and the top ends of the two inclined webs are both provided with a side plate horizontallyextending towards the outer side. In the present invention, a first transverse steel frame and a second transverse steel frame in the connecting steel frame assembly are welded to the transverse partition plates and the longitudinal partition plates which are welded in a crossed mode, longitudinal supporting steel frames in the connecting steel frame assembly cooperate with supporting plates to support side plates at the top ends of the inclined webs, the inclined webs on both sides of the bottom plate are supported, the phenomena that the inclined webs are crumpled and damaged are effectivelyprevented; and meanwhile, when hoisting is conducted from two sides of the steel box girder, hoisting can be conducted in cooperation with the longitudinal supporting steel frames, the first transverse steel frame and the second transverse steel frame, local stress or accidental bending caused by hoisting tension of the steel box girder is prevented, hoisting of the whole steel box girder is achieved, and the stability during hoisting is improved.

The invention discloses an aluminum alloy pedestrian overpass structure and mounting and construction methods thereof. A concrete foundation pile is arranged on the lowest side of a base structure, the upper side of the foundation pile is connected to a bearing platform, an overpass pier is arranged above the bearing platform, a preburied anchor plate arranged above the bearing platform is fixedlyconnected to a bottom plate of a cover plate of the overpass pier, the column is arranged above the bottom plate of the column, a cover beam is arranged above the column, the cover beam is of a steelwelded hollow structure, a bottom plate of the cover beam is arranged below the cover beam, a top plate of the cover beam is arranged above the cover beam, side plates of the cover beam are arrangedaround the cover beam, a plurality of slab with haunched ribs are arranged in an inner cavity of the cover beam, and two sides above the cover beam bear a bottom beam of the overpass. The aluminum alloy pedestrian overpass structure provided by the invention has the advantages that the overpass structure is stable, small in vibration, high in pressure bearing ability and convenient and rapid to mount and construct and does not affect urban traffic.

The invention relates to a portable small onboard hoisting system with an active wave compensation function. The portable small onboard hoisting system comprises a compensation unit, a hoisting unit and a detection unit, wherein the compensation unit comprises a pair of stationary platform and movable platform matched with each other, and a middle supporting column for connecting the stationary platform and the movable platform; four compensating electric cylinders are arranged between the stationary platform and the movable platform; the hoisting unit comprises a crane mounted at the upper end of the movable platform; and the detection unit comprises an attitude sensor. The portable small onboard hoisting system disclosed by the invention has the advantages that connection between the movable platform and the stationary platform is improved, and the system is realized by matching the middle supporting column and the four compensating electric cylinders; the connection between the movable platform and the stationary platform is ensured by increasing the middle supporting column, and because of aiming at small onboard hoisting, the system can be realized by adopting the four compensating electric cylinders, and two compensating electric cylinders are reduced in the overall structure. Therefore, the quantity of overall components is reduced, and convenience is brought during compensation.

The invention provides a multipurpose port tire crane. The multipurpose port tire crane comprises a hoisting mechanism, a rotary table, an internal-combustion engine, an amplitude variation mechanism, a rotary mechanism, a propeller strut, an arm frame, a cab, a driving control cabinet, a cable winding barrel or a cable box, a hydraulic pump station, a multi-path valve, a steering axle, a driving axle, a driving mechanism, a movable supporting leg, a fixed supporting leg and a bottom frame, wherein the hoisting mechanism is formed by two sets of independent hoisting winding engines so that the hoisting mechanism can be independently driven and can also be synchronously driven in a combined manner; when a double-rope grabbing bucket is used as an object taking device, loading / unloading and stacking work of bulk cargoes of a wharf storage yard and a freight yard can be realized; when a lifting hook is used as the object taking device, hanging and loading / unloading working requirements of general cargoes of the wharf storage yard and the freight yard can be realized.

The invention relates to the technical field of transformer substation equipment overhauling, in particular to universal hoisting equipment for transformer substation overhauling. The universal hoisting equipment comprises a hoisting device, a rotation device, a stand column and a base, all of which are sequentially connected from top to bottom. The universal hoisting equipment further comprises an isolation switch special sling. The hoisting device can horizontally rotate around the axis of the stand column by 360 degrees. The hoisting device comprises a lazy arm and further comprises a fronthook frame, a movable pulley frame, a rotation frame and a hoisting type winch, all of which are sequentially fixed to the lazy arm in a front-back manner. A movable pulley, a fixed pulley and a hookare further included. The fixed pulley is fixed to the movable pulley frame. The movable pulley is arranged on a steel wire rope between the movable pulley frame and the front hook frame. The hook isfixed to the position below the movable pulley, and the isolation switch special sling is hung on the hook. The hoisting type winch rotates and drives the hook to ascend and descend. Universality ishigh, and the universal hoisting equipment can be arranged on all 66kV isolation switch frameworks, arranged in various forms, of a transformer substation. The universal hoisting equipment is small inweight and suitable for aerial work. Assembling is flexible and convenient, and the hoisting capacity is high. The universal hoisting equipment can be used for first-aid repairing of vehicles. The isolation switch hoisting efficiency is improved.

The invention discloses a gate lifting construction method for narrow operation space. For gate installation in narrow operation space, an upper cavity of a gate is used as rotating construction space; first and second sections of the gate are firstly lifted; short edges are used for lifting; the upper cavity is placed at the upstream or the downstream of a gate groove after rotation to reserve mounting space of the gate groove; then, a third section is lifted by using a short edge; after the third section is rotated in the upper cavity, the third section is placed down into the gate groove; then, the second and first sections are lifted in sequence and placed in the gate groove in sequence to realize the assembly molding of the sectioned gate; and the narrow upper space of the gate groovecan be fully used, so that the operation efficiency is improved.

The invention relates to a running water pump station for treatment of a black and odorous water body, and belongs to the technical field of urban water environment. The running water pump station comprises a submersible pump, a protecting cover, a pump base plate, a reinforcing layer, a running water pipeline, a pipe bracket and a pipe plug; the protecting cover is of a stainless steel rectangular frame structure, the submersible pump is covered with the protecting cover, the protecting cover and the submersible pump are fixed to the pump base plate through bolts, the lower layer of the protecting cover is a closed thin steel plate, thus river bottom silt can be prevented from flowing in, a movable cover plate is arranged on the upper layer of the protecting cover, and thus later maintenance is facilitated; the pump base plate is located on the reinforcing layer and used for fixing an upper structure; and the running water pipeline is connected with the submersible pump and fixed to arevetment through the pipe bracket. According to the running water pump station, the running water pump station is mounted in a river way, the land is saved, meanwhile, river water is directly pumped, a control cabinet is arranged on the revetment, the running water pump station can be directly operated and controlled on the revetment, the structure is simple, operation and management are convenient, operation is stable, overall hoisting and maintenance are achieved, arrangement of water intake wells can be reduced, the engineering investment is reduced, and the running water pump station isespecially suitable for treatment of the black and odorous water body in an urban area with land shortage.

The invention discloses a kitchen wastewater treatment device which comprises a pretreatment zone, an anaerobic tank, a dosing device and a main treatment zone, wherein a first pH value adjusting tank, a flocculation basin, an air floating water outlet tank and a second pH value adjusting tank of the pretreatment zone are distributed close to the outer side of an air floating reaction tank; and aprimary anoxic pond, a primary aerobiotic pond, a secondary anoxic pond and a secondary aerobiotic pond of the main treatment zone are sequentially arranged. The invention further discloses a kitchenwastewater treatment method. The kitchen wastewater treatment device can be easily arranged in a same reaction tank, is compact in structure, reasonable in arrangement, easy in wastewater treatment device integration, small in floor space and possible in overall movement, transfer and hoisting and is low in civil engineering cost and convenient and rapid to mount because of a pry block mounting mode.

The invention relates to an independent adaptor piece used for a plastic scintillator detector array environment test. The independent adaptor piece comprises an I-beam force transmission structure, the two opposite sides of the I-beam force transmission structure are respectively provided with an upper planar portion and a lower planar portion, the width of the upper planar portion is smaller than the width of the lower planar portion, four upper installation holes are arranged at four corners of a rectangular of the upper planar portion, the lower planar portion is symmetrically provided with two columns of lower installation holes, and each column is uniformly provided with three. According to the invention, the independent adaptor piece structurally utilizes an I-beam force transmission performance feature and realizes large rigidity and good mechanical vibration spectrum transmission performance. Four connection holes in the upper surfaces of adaptor pieces are connected with a plastic scintillator detector array, six connection holes in the lower surfaces are connected with a vibration table expansion bench or a shock testing machine expansion bench, through open design at two sides, the operation space is sufficient, the application is facilitated, the installation moment requirement of a product is satisfied, and the environment test can also be conveniently mounted and dismounted.

The invention discloses an integrated drive motor device for an automobile. The integrated drive motor device for the automobile comprises a left drive motor and a right drive motor, wherein the leftdrive motor is connected with a left transmission and the right drive motor is connected with a right transmission through a common end cover, a common bearing is arranged at the joint of the left drive motor and the left transmission and the joint of the right drive motor and the right transmission, and the common bearing is arranged on the common end cover; a left drive oil passage inside the left drive motor is connected with a left transmission oil passage inside the left transmission and a right drive oil passage inside the right drive motor is connected with a right transmission oil passage inside the right transmission through a lubricating oil passage arranged inside the common end cover. The integrated drive motor device for the automobile provided by the invention solves the problems that the combination and assembly of the drive motors and the transmissions are complicated, the coaxial compatibility is low and pipelines inside the automobile are distributed in disorder, andmeets the requirements of miniaturization and light weight.

The invention discloses a truck-mounted drilling rig, a mast assembly of a drilling rig and an auxiliary cathead device. The auxiliary cathead device comprises a mounting base, wherein the mounting base is fixedly connected with a fixed mast of the drilling rig; the mounting base is provided with a horizontal lazy arm; further, the horizontal lazy arm is of a telescopic structure; along the length direction, the horizontal lazy arm comprises a fixed arm and at least one section of a telescopic arm which is connected in sequence; the auxiliary cathead device also comprises a swing drive; the fixed arm (11) is connected with the mounting base through the swing drive (8), so that the fixed arm (11) can be rotated at a preset angle relative to the mounting base (9) in a horizontal plane. The drilling rig provided with an auxiliary cathead can be used for realizing a lifting function; further, the horizontal lazy arm is of the telescopic structure provided with the fixed arm and the telescopic arm; when the drilling rig is used for carrying out a lifting operation, the extension length of the telescopic arm can be properly regulated according to the condition of a construction site, so as to meet a lifting requirement; moreover, the fixed arm can be relatively rotated relative to the fixed mast through the swing drive, so the performance of the drilling rig is further promoted.

A balanced hook-shaped lifting bar is a balanced rectangular box with hook shape, and is composed of a lifting beam unit consisting of upper lifting beam, vertical beam and lower cantilever, a balancing counterweight box fixed to one end of upper lifting beam, and two lifting rings on the upper lifting beam linked to lifting hook via cable.

The invention discloses a conveying container. The conveying container comprises a shell, an inner shell, a lower sealing head, a lower end plug, an upper sealing head, an upper end plug, a hanging bucket, a steel wire rope guide pipe, a steel wire guide pipe sealing plug, a valve assembly and a valve external connection handle. The invention provides the conveying container. The conveying container is reasonable in structure, easy and convenient to operate, convenient to check and maintain, and replaceable in vulnerable parts; in the operating process of the conveying container, operators donot need to enter into a hot room, and irradiation samples can directly enter into the hot room through the opening of a rotary valve at the bottom of the container.

The invention provides a bearing dismounting auxiliary device. The bearing dismounting auxiliary device comprises a supporting rod, a clamp fixing mechanism and a clamp inner supporting plate, whereinthe clamp inner supporting plate is located below the clamp fixing mechanism and is arranged in parallel to the clamp fixing mechanism, at least three clamps are arranged on the clamp fixing mechanism, the first ends of the clamps are rotatably arranged on the clamp fixing mechanism, a spatial prism structure is formed by taking the clamps as side edges, a plurality of clamping structures are arranged in the circumferential direction of the clamp inner supporting plate and are in one-to-one correspondence with the clamps and used for clamping the corresponding clamps, the bottom end of the supporting rod is arranged on the top wall of the clamp inner supporting plate, the upper portion of the supporting rod is adjustably connected to the clamp fixing mechanism in the height direction position, the distance between the clamp inner supporting plate and the clamp fixing mechanism is adjusted, the positions where the clamps are connected to the clamp inner supporting plate are adjusted, the included angle between each clamp and the axis of the supporting rod is adjusted, an inner ring of a bearing abuts against the clamps, and the bearing is hoisted and dismounted.

The invention provides a transformer substation hoisting device with an adjustable hoisting arm. The transformer substation hoisting device comprises a base, a support body, a hoisting arm, a telescopic driving mechanism, a fixed base, a motor, a rotation roller, a hoisting rope, a fixed pulley and a hoisting hook, wherein a top plate is arranged at the top of the support body; the telescopic driving mechanism and the fixed base are fixed on the top plate; a sliding block is arranged in the fixed base; a telescopic part of the telescopic driving mechanism is connected with the sliding block; one end of the hoisting arm is connected with the sliding block; a mounting lug is arranged under the other end of the hoisting arm; the fixed pulley is arranged on the mounting lug; the motor is fixedly connected to the hoisting arm; an output shaft of the motor is connected with the rotation roller through a coupler; one end of the hoisting rope is wound on the rotation roller; the other end of the hoisting rope bypasses the fixed pulley and is connected to the hoisting hook. The transformer substation hoisting device with the adjustable hoisting arm has the advantages that on the one hand, the transformer substation hoisting device has no need to pull the hoisting rope manually, so that the manpower is saved; on the other hand, the length of the hoisting arm can be adjusted according to the mounting position of the device without need to repeatedly adjust the mounting position of the whole hoisting device; the transformer substation hoisting device with the adjustable hoisting arm has strong applicability.

The invention discloses a prefabricated offshore booster station upper module and a construction method thereof. The upper module comprises a first-layer deck and a second-layer deck which are arranged on a jacket; a 35KV power distribution chamber and a screen body room are arranged on a left side of the second-layer deck, a main transformer chamber is arranged in the middle, a GIS power distribution chamber and an auxiliary equipment chamber are arranged on the right side, a screen body chamber is located above the 35KV power distribution chamber and connected with the 35KV power distribution chamber through a T-shaped hook, and the auxiliary equipment chamber is located above the GIS power distribution chamber and connected with the GIS power distribution chamber through a T-shaped hook; the main transformer chamber and the 35KV power distribution chamber are connected through a 35KV cable, the main transformer chamber and the GIS power distribution chamber are connected through a 220KV cable, and the 35KV cable and the 220KV cable are both located between the first-layer deck and the second-layer deck. According to the upper module and the construction method thereof, a modularprefabricated booster station is adopted, and the upper module and the construction method thereof have the advantages of being short in construction period, less in cross operation, low in management cost, less in redundant design and safe in construction.

The invention discloses a mechanical lifting gripper which comprises a first lifting arm and a second lifting arm, wherein the middle positions of the first lifting arm and the second lifting arm are articulated, a horizontally arranged spring is arranged at the upper end of the articulated position of the first lifting arm and the second lifting arm; the upper end of the first lifting arm is articulated with one end of a first connecting rod, the upper end of the second lifting arm is articulated with one end of a second connecting rod, the other ends of the first connecting rod and the second connecting rod are articulated with lifting sleeves, and the upper end of each lifting sleeve is provided with a lifting hook. The mechanical lifting gripper disclosed by the invention has the advantages of simple structure, reasonable design, convenient use and high working efficiency, and is capable of lifting a heavy object on the basis of a simple mechanical transmission principle, thereby substituting the traditional manual carrying working method causing time and labor waste. According to the mechanical lifting gripper, the working efficiency and the working quality are greatly enhanced and in the past, one device can be carried by two people together within 10 minutes, but now can be carried within five minutes by only one person.