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81results about How to "Improve lifting efficiency" patented technology

Fabricated outer wall hoisting equipment

The invention discloses assembly type outer wall hoisting equipment, and relates to the technical field of building construction. The adjusting and adapting mechanism is located above the outer wall body. The number of the positioning mechanisms A is two, and the two positioning mechanisms A are installed at the top of the adjusting and adapting mechanism. The number of the connecting mechanisms is two, and the two connecting mechanisms are installed at the left end and the right end of the adjusting and adapting mechanism. The number of the guiding mechanisms is two, and the two guiding mechanisms are installed on the adjusting and adapting mechanism. The hoisting mechanism is mounted at the top end of the adjusting and adapting mechanism; the number of the positioning mechanisms B is two, and the two positioning mechanisms B are mounted on the front side and the rear side of the hoisting mechanism; a worker can conveniently and properly adjust the positions of the two movable adaptive frames according to the size of the outer wall body; the problems that generally, only walls of the same model can be hoisted, proper adjustment cannot be conducted according to the sizes of the walls, and the universality is low are solved.
Owner:HENAN HUIGUO SCI & TECH ACHIEVEMENTS TRANSFORMATION SERVICE CO LTD

Method and device for realizing accurate hoisting of steel plate by automatically adjusting magnetism

The invention discloses a method and device for achieving accurate lifting of a steel plate through automatic magnetism adjustment, and belongs to the technical field of steel plate lifting control. The method comprises the steps that core parameters of an electromagnet of an electromagnet lifting appliance and observation data in the historical lifting process are collected; the observation data in the historical hoisting process are preprocessed; constructing a reinforcement learning model, and training the constructed reinforcement learning model by using the preprocessed observation data in the historical hoisting process; wherein the reinforcement learning model adopts a self-adaptive learning rate and updating frequency; and the specification and number of the current to-be-hoisted steel plates are obtained, the optimal current of the electromagnet is obtained through the trained reinforcement learning model, and steel plate hoisting is achieved. According to the technical scheme, the electromagnetic attraction can be intelligently and accurately controlled, and the hoisting efficiency and precision are improved.
Owner:UNIV OF SCI & TECH BEIJING

Intelligent axle machining production line for rail transit vehicles

The invention discloses an axle machining intelligent production line for a rail transit vehicle. The intelligent production line comprises a V-shaped block conveyor, an automatic hoisting robot, a milling machine machining equipment area, a lathe machining equipment area, a vertical layered intelligent storage warehouse, a shuttle type axle transporter and an axle automatic transfer trolley. The equipment is relatively low in investment and maintenance cost, relatively low in manpower cost of unmanned operation hoisting, and capable of eliminating the safety risk caused by frequent mixed operation of hoisting machinery and personnel in the past. And intelligent control can be achieved through a remote terminal, 24-hour all-weather operation is achieved, and the lifting rhythm and the lifting efficiency are greatly improved.
Owner:CRRC YANGTZE TONGLING CO LTD

Elevator with single-double-cylinder switching form and using method thereof

The invention provides an elevator with a single-cylinder and double-cylinder switching mode and a using method of the elevator. The elevator comprises a first single-cylinder elevator, a second single-cylinder elevator and a rope adjusting clutch connected between the first single-cylinder elevator and the second single-cylinder elevator. The rope adjusting clutch comprises a bearing seat, a shaft seat inner gear ring and two fixed hubs, the shaft seat inner gear ring is rotationally connected with an inner ring of the bearing seat, the two fixed hubs are connected to a main shaft of the first single-drum elevator and a main shaft of the second single-drum elevator respectively, each fixed hub is connected with a rope adjusting outer gear ring capable of sliding in the axial direction of the fixed hub, and the rope adjusting outer gear rings are connected with the bearing seat. The rope adjusting outer gear ring is connected with a shifting ring, and the shifting ring is connected with a telescopic mechanism fixed to the single-barrel elevator. When the telescopic mechanism stretches out and draws back, the shifting ring drives the rope adjusting outer gear ring to be meshed with or separated from the shaft seat inner gear ring. And switching between two modes of independent operation of the two single cylinders and synchronous operation of the two cylinders can be realized.
Owner:CHINA COAL NO 5 CONSTR +1

Universal lifting appliance for steel shell tower sections

ActiveCN222523959Ureduce horizontal distortionImprove manufacturing precisionLoad-engaging elementsTower crane
The utility model relates to a universal lifting appliance for steel shell tower sections, which comprises a frame, main balance beams, auxiliary balance beams and a lifting assembly, at least one main balance beam is welded inside the frame, a plurality of auxiliary balance beams are further welded between the main balance beams and the frame, and the lifting assembly is connected with the main balance beams and the auxiliary balance beams. A plurality of crane lifting lugs used for being connected with a crane in a hanging mode are evenly welded to the upper end face of the frame. And a plurality of hoisting assemblies are uniformly welded on the lower end surface of the frame. The steel shell tower crane has the advantages that the four crane lifting lugs and the four lifting assemblies are arranged, the four-point lifting design enables lifting stress to be plumb to the ground as much as possible, horizontal deformation of the upper end of a steel shell tower is reduced, and manufacturing precision is improved; 2, a *-shaped structure is adopted and is consistent with a steel shell tower shell, and auxiliary balance beams are mounted on diagonal lines to support horizontal stress and the like;
Owner:CHINA RAILWAY SHANQIAO GRP CO LTD +1

Boiler hanging device

The invention discloses a boiler hanging device, and relates to the field of boiler hanging. Comprising a walking chassis mechanism, a supporting frame fixed above the walking chassis mechanism and an extension arm extending out of the upper end of the supporting frame. A plurality of groups of winches are mounted on the extension arm, slings on the winches penetrate through the pulley block to be connected with a clamping assembly, and the outer side of the boiler body is wrapped with the clamping assembly through steel cables; the clamping assembly comprises a clamping base at the bottom, a shaft rod installed in the clamping base and a driven assembly installed above the shaft rod. The clamping assembly adopts a unique eccentric disc and driven assembly structure, a shaft rod is driven by a driving motor to rotate, so that a clamping pad is tightly attached to the outer side of the boiler body, a steel rope is wound by a steel rope winding disc to form an enclosure structure to clamp the boiler, the boiler is effectively prevented from shaking or sliding off in the hoisting process, and the hoisting safety is greatly improved.
Owner:JIANGSU HANGER MASCH CO LTD

A lifting device for construction engineering

This utility model relates to the field of construction engineering technology and discloses a lifting device for construction engineering, including a base. The top of the base has a clearance groove, and a lifting bucket is mounted on the top of the clearance groove. A support frame is fixedly connected to the bottom of the lifting bucket, and a cylinder is fixedly connected inside the support frame. A push rod is fixedly connected to the output end of the cylinder. This utility model has the following advantages and effects: When the lifting bucket rises, the first and second lifting plates increase stability. Anti-slip holes slide on the outer surface of the guide rod. The first lifting plate supports the top of the lifting bucket, and the second lifting plate supports the bottom of the lifting bucket, making lifting more stable. When it rises to a certain height, the cylinder is activated to drive the push rod upward, and the push rod pushes the placement frame out of the lifting bucket, facilitating the discharge of the placement frame and thus enabling the rapid removal of building materials from the lifting bucket, improving lifting efficiency.
Owner:JINGZHOU GAOFA CONSTRUCTION ENGINEERING CO LTD

Equipment for laying pipelines on construction site

The invention discloses construction site pipeline laying equipment, and relates to the technical field of pipeline laying, the construction site pipeline laying equipment comprises two U-shaped main frames, the tops of the two main frames are jointly connected with a cross beam, the bottoms of the two ends of each main frame are both connected with two bottom rods, and a telescopic rod is slidably connected in each bottom rod; the outer end of each telescopic rod is connected with a universal wheel, the bottoms of the two ends of the main frame are connected with universal wheels, each main frame is provided with a hoisting mechanism for hoisting and auxiliary laying of pipelines, hoisting and laying of the pipelines can be completed at the construction position, the pipeline hoisting and laying device is not blocked by houses and trees, use is convenient, and the construction efficiency is improved. Hoisting and releasing of the pipeline are achieved through rotation of the rotating plates, the distance between the two conveying plates does not need to be changed, by means of the device, the width of the groove only needs to be slightly larger than the distance between the two conveying plates, the excavation width of the groove can be reduced, and the pipeline laying workload is reduced.
Owner:NANTONG INST OF TECH

Unstacking and stacking machine and precast concrete component production line

The utility model relates to the technical field of precast concrete component production equipment, and discloses an unstacking and stacking machine and a precast concrete component production line. The unstacking and stacking machine comprises a rack which comprises two supporting frames which are oppositely arranged; transmission devices and lifting devices, wherein each support frame is provided with one transmission device and one lifting device; the transmission device comprises a transmission wheel and a transmission chain; the transmission wheel is suitable for driving the transmission chain to transmit; the lifting device is connected to the transmission chain, and the transmission chain is suitable for driving the lifting device to lift during transmission; the lifting device is provided with an extending position and a retracting position, and when the lifting device is located at the extending position, the lifting device is suitable for being connected with a supported object; when the lifting device is in the retracted position, the lifting device is suitable for being separated from the supported object. The unstacking and stacking machine and the precast concrete component production line are high in unstacking and stacking efficiency, and can meet the requirement for fast-takt production of line production of the precast concrete component production line.
Owner:HUNAN SANY KUAIERJU RESIDENTIAL IND CO LTD

Boom stretching control method and device, hoisting equipment and computer program product

The invention provides a boom telescopic control method and device, hoisting equipment and a computer program product, and relates to the technical field of hoisting. The boom telescoping control method comprises the steps of obtaining a control instruction for controlling boom telescoping; and the winch is controlled to rotate according to the control instruction, the winch accommodates the steel wire rope under the condition that the arm frame is shortened and extended, and the winch releases the steel wire rope under the condition that the arm frame is extended. According to the boom stretching and retracting control method, the control instruction for controlling stretching and retracting of the boom is obtained, the winch is controlled to rotate according to the control instruction, under the condition that the boom is shortened and stretched, the winch stores the steel wire rope, and under the condition that the boom is stretched, the winch releases the steel wire rope, and the situation that a lifting hook rushes to the top or falls to the ground in the boom stretching and retracting process is effectively avoided; due to the fact that the telescopic boom and the lifting hook are automatically completed, manual intervention and operation are not needed, the labor intensity of operators is effectively reduced, and the lifting efficiency is improved.
Owner:SANY AUTOMOBILE HOISTING MACHINERY

Intelligent carrying device for mechanical manufacturing

The utility model discloses an intelligent carrying device for machinery manufacturing, which comprises a frame, a bearing device and a pushing device, the top wall of the frame is provided with the bearing device, the top wall of the bearing device is provided with the pushing device, the side wall of the frame is fixedly connected with a side frame, the side wall of the frame is fixedly connected with a motor, and the side frame is fixedly connected with the motor. A threaded column is fixedly connected to the output end of the motor, a moving block is movably connected to the outer wall of the threaded column, a supporting plate is fixedly connected to the top wall of the moving block, the pushing device comprises a first electric push rod and a push plate, and the first electric push rod is fixedly connected to the side, facing the frame, of the side frame; the output end of the first electric push rod is fixedly connected with a push plate, and the bottom wall of the push plate makes contact with the top wall of the supporting plate, so that the part can be conveniently placed at a specific position on the supporting plate and taken down after reaching the specific position. According to the scheme, a new structure is utilized, and the bearing device and the pushing device are arranged, so that the production efficiency is improved, and the labor cost is saved.
Owner:ZHEJIANG SCI-TECH UNIV

Overturning and hoisting lock for hoisting ultra-large foundation pile at sea

The utility model discloses an overturning and hoisting lock for hoisting an offshore ultra-large foundation pile. The overturning and hoisting lock comprises a first fixing body, a second fixing body, a connecting body and a locking assembly, an air cylinder is arranged at one end of the first fixing body, and a movable hole and locking holes which are symmetrically formed are formed in the middle of the first fixing body. The locking assembly is internally provided with a pushing piece, and a driving piece, an overturning piece and a locking piece which are arranged on the two sides of the pushing piece. The air cylinder drives the pushing piece, so that the driving piece pushes the rod overturning piece to push the hinge piece, and the hinge piece pushes the locking piece into the locking hole. The offshore ultra-large foundation pile hoisting, overturning and hoisting lock is stable in structure and easy and convenient to operate. The pushing piece in the locking assembly is pushed through the air cylinder rod on the air cylinder, so that the air cylinder rod and the locking piece penetrate through the foundation pile and are used for fixing one end of the foundation pile. And the foundation pile can be conveniently locked on the flat ground and can be quickly separated after being overturned, so that the hoisting operation efficiency of the foundation pile is greatly improved.
Owner:NINGHAI COUNTY JULI LIFTING CO LTD

A uniform material regulating and intermediate bin and method for deep sea mining gas lift lifting

The application provides a uniform material adjusting and relay bin and method for deep-sea mining air-lift lifting, which comprises a relay bin outer cylinder and a relay bin inner cylinder arranged inside the relay bin outer cylinder; a material conveying pipe and a lifting pipe are penetrated from the top of the relay bin outer cylinder and enter the relay bin inner cylinder to cooperate with the gap between the relay bin inner cylinder; a lifting mechanism is connected to the bottom of the relay bin inner cylinder; the inside of the relay bin inner cylinder is provided with a rotating mechanism; a measuring device is installed on the top of the relay bin inner cylinder, which is used to measure the distance between the ore layer and the measuring device, and according to the measurement result, the lifting mechanism lifts the relay bin inner cylinder, so that the depth of the bottom end opening of the lifting pipe being buried by the ore layer is controlled, and the material conveying pipe is not inserted into the ore layer. The application avoids the reduction of the ore lifting efficiency caused by the hollow of the lifting pipe opening and the excessive burying of the ore layer, guarantees the full acceleration of the rising seawater of the lifting pipe to the ore and the smooth feeding of the material conveying pipe, and effectively improves the lifting stability of the ore.
Owner:DALIAN UNIV OF TECH

Double-supporting-leg jack for motor home

ActiveCN224394487UEnsure jackingEnsure supportLifting framesMotor homeElectric machinery
The utility model provides a double support leg jack for motor home, including connecting main part, two groups of screw rod drive assemblies and two groups of support leg assemblies, the motor of two groups of screw rod drive assemblies is installed in the middle part of movable slot of connecting main part mutually close, and one end of screw rod is connected to the motor, and the other end is rotatably connected with the bearing arranged in the end part of connecting main part, and the other end of screw rod also has the manual rotation part that passes through the bearing and is located in the outside of end part of connecting main part, the screw rod nut can be slidably sleeved in screw rod and is limited in movable slot, the support leg assembly is installed below two groups of screw rod drive assemblies respectively, the support leg assembly includes support leg, support rod and support plate, by this, the motor is located in the movable slot in the middle part of connecting main part, can be protected by the shelter of connecting main part, is not easy to be interfered with by the knock of outside, is not easy to be corroded and aged by the rain and splash, and the manual rotation part can be arranged in cooperation, and the expansion or folding of two support legs can be realized by electric or manual.
Owner:FUJIAN DOOFAR OUTDOOR SPORTING GOODS CO LTD

A sludge handling lifting assembly that is easy to clean

The utility model relates to a sludge treatment related technical field, especially in easy to clean's sludge treatment is with hoisting subassembly, including lifting cylinder, feed port, discharge gate, spiral shaft, helical blade, driving motor, scraping plate and drive assembly, the spiral shaft is connected with the output shaft of driving motor in the lifting cylinder and is penetrated, drive assembly includes drive shaft, shaft sleeve and linkage assembly. Easy to clean's sludge treatment is with hoisting subassembly of the utility model, and the output shaft of driving motor drives the rotation of spiral shaft, thereby conveniently helical blade of spiral shaft periphery transports and lifts sludge, at the same time, the synchronous rotation of shaft sleeve is driven by spiral shaft, and the drive shaft is driven by linkage assembly when shaft sleeve rotates and reciprocates, thereby conveniently drive shaft drives sludge board and scrapes off the sludge in the inner chamber of lifting cylinder.
Owner:JIANGSU XINLIDA ENVIRONMENTAL ENG CO LTD

A lifting device with dynamic gravity compensation

This utility model relates to a lifting device with dynamic gravity compensation, including a support frame, a transmission lifting device, a sliding frame sliding on the support frame, a fixed pulley group set on the top of the support frame, a tension spring for relieving pressure on the lifting device, a movable pulley group set on the tension spring, and a steel rope for pulling the sliding frame. The lifting device is set inside the support frame; the working end of the lifting device is connected to the sliding frame; a connecting piece is set on the side wall of the support frame; one end of the tension spring is set on the connecting piece; the other end of the tension spring is set on the movable pulley group; the fixed pulley group includes several sets of first pulley bodies; the movable pulley group includes several sets of second pulley bodies; the steel rope is wound around the first pulley bodies and the second pulley bodies in sequence. This invention solves the problem that the transmission structure of traditional lifting devices is relatively simple, often using a single steel wire rope or chain to directly connect the motor and the lifting platform, which cannot effectively amplify the stroke of the steel wire rope.
Owner:NANTONG SEGO IND DESIGN CO LTD

Height-adjustable nursing mattress structure

According to the height-adjustable nursing mattress structure, bed leg assemblies are detachably connected to the periphery and the middle of the lower portion of a bottom plate frame, one end of a telescopic rod is detachably connected with the lower portion of the bottom plate frame, and the other end of the telescopic rod is connected with a containing cavity of a supporting rod in a sleeved mode and then sequentially penetrates through a locking opening and a height adjusting opening through a pin to be fixedly connected. When the mattress structure is matched with an existing bed, the height of the mattress structure can be vertically adjusted through the bed leg assemblies according to requirements, and when the mattress structure cannot be matched with the existing bed, the mattress structure can be matched with the bottom plate frame through the bed leg assemblies to form a flexibly-adjusted nursing bed, so that multiple requirements are met; the auxiliary leveling mechanism is arranged for auxiliary leveling, the stability and safety of the mattress structure are improved, meanwhile, the center lines of the bottom plate frame, the back plate, the first driving device and the first lifting arm assembly are located on the same horizontal line, the back plate can be evenly stressed and synchronously ascend and descend, and the lifting work efficiency is improved.
Owner:SUZHOU HUIERKANG MEDICAL INSTR CO LTD

A ladle nozzle seat brick lifting device and lifting method

ActiveCN117284911BSimple structurelow cost
This invention provides a lifting device and method for lifting steel ladle nozzle bricks, including a vertical shaft, a lifting ring, a support member, and a sliding member. The lifting ring is fixed to the top of the vertical shaft, and the support member is coaxially fixed to the bottom of the vertical shaft. The sliding member is coaxially slidably sleeved on the vertical shaft, and the sliding member can rotate around the central axis of the vertical shaft. Multiple vertically rotatable support legs are evenly distributed around the outer circumference of the sliding member. Multiple first receiving grooves for accommodating the support legs are evenly distributed around the outer circumference of the support member. When the support leg is located in the first receiving groove and the sliding member slides to the lowest position, the horizontal distance from the bottom of the support leg to the central axis of the vertical shaft is less than the minimum radius of the inner hole of the nozzle brick. When the support leg is removed from the first receiving groove and the sliding member slides to the lowest position, the horizontal distance from the bottom of the support leg to the central axis of the vertical shaft is greater than the minimum radius of the inner hole of the nozzle brick. The device of this invention has a simple structure and is easy to operate. Simply moving the support leg into or out of the first receiving groove switches the lifting device from the engaged state to the locked state, ensuring stable lifting.
Owner:SHANGHAI BAOSTEEL METALLURGICAL CONSTRUCTION CORP +1

First and second punching die lifting structure of super-long heading machine

The invention discloses a first-second punching die lifting structure of a super-long heading machine, which is characterized by comprising a machine body, a punch, a punching die assembly, a power assembly and a lifting driving assembly, the lifting driving assembly comprises a guide rail pair, a main swing arm movably connected to the outer portion of a guide rail of the guide rail pair, an auxiliary swing arm movably connected to the outer portion of the guide rail of the guide rail pair, a linkage assembly used for driving the main swing arm to rotate and in linkage with the crankshaft, and an auxiliary spring assembly providing restoring force for the main swing arm and the auxiliary swing arm. And a sliding block of the guide rail pair is fixed with a bottom plate of the dovetail carriage. Through cooperation of the lifting driving assembly and the lifting driving assembly, the stamping die assembly can be driven to move and ascend and descend at the same time, auxiliary force can be provided for ascending and descending of the stamping die assembly through the auxiliary spring assembly, and the ascending and descending speed and the ascending and descending efficiency are improved.
Owner:FOSHAN NANHAI YUHAI MASCH MFG CO LTD

Control rod lifting method, device, equipment, storage medium and program product

The present application relates to the technical field of nuclear power plant operation optimization, and provides a control rod lifting method, device, equipment, storage medium and program product. If a start signal for a reset selection switch is received, the current lifting rod position of each control rod is obtained, and further, according to the current lifting rod position of each control rod and the preset lifting rod position of each control rod, the target control rod that has not reached the preset lifting rod position is determined from each control rod, so that according to the preset lifting sequence of each target control rod, each target control rod is lifted to the corresponding preset lifting rod position. In this method, after receiving the start signal, by detecting the current lifting rod position of each control rod, the control rod that needs to be lifted is intelligently selected, and the control rod that needs to be lifted is further lifted in sequence according to the digital numerical control logic, without the need for manual control by the operator, thereby improving the lifting efficiency of the rod group control rods, reducing the waste of manpower, and the method can also avoid human errors caused by manual operation.
Owner:GUANGDONG NUCLEAR POWER JOINT VENTURE +2

Grease bucket hoisting device

The utility model relates to the technical field of oil drum transportation, in particular to a grease drum hoisting device. Comprising an assembling frame, a supporting plate is arranged in the assembling frame, a lifting mechanism is arranged at the top of the assembling frame and used for driving the supporting plate to vertically move, a moving plate is arranged on the upper side of the supporting plate, a circular groove is formed in the center of the moving plate, and a lifting mechanism is arranged on the upper side of the supporting plate; and the lifting mechanism is used for driving the moving plate to vertically move. After a grease barrel is placed on the upper side face of the supporting plate and located in the circular groove, an operator starts the electric motor to enable the output shaft of the electric motor to drive the transmission shaft to rotate, the two lead screws rotate synchronously, the movable plate is driven to vertically move upwards, and the circular groove moves to the middle position of the side wall of the grease barrel; the grease barrel can be prevented from horizontally moving and toppling towards one side through the circular groove, the safety of the grease barrel in the lifting process is guaranteed, and the lifting efficiency of the grease barrel is improved.
Owner:SHANGHAI CIFU NEW BUILDING MATERIALS CO LTD

Tool for safely hoisting stirrups

The tool comprises a base, vertical rods, a lifting rope, a connecting sleeve and a limiting piece, the base is rectangular, stand columns are arranged at the four corners of the base, connecting holes used for being connected with the lifting rope are formed in the stand columns, the multiple vertical rods are installed in the base, every two vertical rods form a group, and the rectangular stirrups are limited through the intervals of the vertical rods; a sleeve is installed at the top end of the stand column, and a limiting piece is rotationally connected into the sleeve and is of an L-shaped structure. According to the tool for safe hoisting of the stirrups, it can be guaranteed that the stirrups are stacked in order, the quality of the stirrups can be better guaranteed, the stirrups are integrally limited in the hoisting process, safety accidents in the hoisting process are effectively prevented, the hoisting efficiency of the steel bars is improved, and the production efficiency is improved.
Owner:SINOHYDRO BUREAU 14 CO LTD

A precast box culvert hoist

ActiveCN224298704UConvenient for stable drop positioningArrive safelyLoad-engaging elementsArchitectural engineeringCulvert
The utility model relates to prefabricated box culvert lifting appliance technical field, especially prefabricated box culvert lifting appliance, including main girder, both ends of main girder are slidably provided with hook leg, both sides of hook leg are hinged with connecting rod, and the one end away from hook leg of connecting rod is connected with lifting hook through hinge shaft, and the hinge shaft is provided with on -off device, and the main girder is provided with the clamping groove with on -off device cooperation, and the inside of hook leg is slidably provided with crossbeam along the vertical direction, be provided with locking mechanism between crossbeam and hook leg, and the both ends of crossbeam are provided with telescopic link along the horizontal direction. Through setting up the hook leg of sliding, the connecting rod of hinging and the lifting hook, cooperate the design of on -off device and clamping groove, can realize the convenient opening and closing and the fixation of lifting hook, need not to pass through prefabricated box culvert with sling, greatly simplify hoisting operation process, the crossbeam of sliding in hook leg and locking mechanism, in combination with telescopic link of crossbeam both ends, can adjust according to the size of prefabricated box culvert, effectively improve the adaptability and stability of hoisting, significantly improve work efficiency, reduce the operation complexity and labour intensity.
Owner:CHINA RAILWAY 14TH BUREAU GRP LARGE SHIELD ENG CO LTD

A material conveying device for urban overpass construction

The utility model provides a kind of material handling device of urban overpass construction, it includes rack, material box and lifting mechanism, the lifting mechanism is located on the rack, including the lifting drive component for lifting the material box and the lifting guide component for guiding the lifting process of the material box;The material box includes inner box and outer box, the inner box with the outer box is connected by transverse movement drive component, transverse movement guide component, the transverse movement drive component is used to drive the inner and outer transverse movement of the inner box in the outer box, the transverse movement guide component is used to guide the transverse movement process of the inner box.The utility model improves the lifting efficiency of material box by lifting drive component, improves the stability of material box in lifting process by lifting guide component, can reduce the security risk of operation.
Owner:MCC TIANGONG GROUP TIANJIN CO LTD

Rope guiding device for rope winding disc of climbing type suspended working platform

The utility model belongs to the technical field of window cleaning machine equipment, and particularly relates to a rope guide device for a rope winding disc of a climbing type suspended working platform, which comprises the rope winding disc, a positioning component is mounted in the middle of the rope winding disc, a support plate is fixed on the rope winding disc through the positioning component, the support plate is arranged in an inclined plane relative to the horizontal plane, and the support plate is fixed on the rope winding disc through the positioning component. The supporting plate is arranged in the inclined plane relative to the horizontal plane, the inclined plane solves the problem of single-side rope winding caused by eccentricity of the steel wire rope entering the rope winding disc, the design of the inclined plane enables the steel wire rope to enter the rope winding disc more effectively in the rope guiding process, jamming and friction of the rope are reduced, and therefore the lifting efficiency and the running speed of a suspended working platform are improved. And the problems of loosening, tangling or crossing of the steel wire rope can be avoided, the rope guiding reliability and safety are improved, the steel wire rope can be smoothly guided into the rope collecting disc through the inclined-plane rope guiding, and friction and abrasion between the rope and other components in the rope guiding process are reduced.
Owner:BAIST EQUIP RENTAL SHANGHAI CO LTD

Lifting appliance for lifting working roll of aluminum foil mill

The utility model relates to the technical field of lifting appliance equipment, in particular to a lifting appliance for lifting a working roll of an aluminum foil rolling mill, and aims to solve the problem that the working roll is generally lifted by a lifting rope with a hook in the lifting process of the working roll of the aluminum foil rolling mill at present. Generally, time and labor are wasted in the lifting process, a lifting hook is extremely prone to scratching the working face of the working roller, the working roller is damaged frequently, finally the lifting speed of the working roller of the aluminum foil mill is low, and the overall production efficiency of the working roller is affected. The lifting appliance is mainly composed of a lifting lug support, a main shaft penetrating hole, a roller containing platform, a rope hanging groove and the like, the roller containing platform of the lifting appliance is flush with a lug plate of a working roller, an end shaft of the working roller penetrates through the main shaft penetrating hole, a lifting hanging rope is clamped in the rope hanging groove, and the lifting lug is matched with limiting of a rope hanging groove limiting table. The hanging rope effectively realizes quick and safe hoisting of a plurality of pairs of working rollers, further improves the overall hoisting speed of the working rollers, and ensures the overall production efficiency of the aluminum foil mill.
Owner:CHINALCO ALUMINUM FOIL (LONGXI) CO LTD

Integrated production pipe column of gas drive producing well and method of integrated production pipe column

PendingCN121760670AAvoid repeated lifting and lowering of pipe strings during constructionincrease production capacityFluid removalProcess engineeringGas lift
The invention relates to the field of oil production engineering equipment, in particular to an integrated production pipe column for a gas drive oil production well, which comprises a sleeve, an oil pipe is coaxially arranged in the sleeve, the bottom end of the oil pipe is in threaded connection with a horn mouth, and the oil pipe is fixedly connected with a pump support joint above the horn mouth. A gas lift working barrel is arranged at the top end of the pump supporting connector, and a delivery tool part is further arranged in the oil pipe. The tubular column and the method have the advantages that the tubular column and the method can be applied for a long time under different production conditions, the requirements of different yields and different gas-liquid ratios are met, the production tubular column can be repeatedly used, and the operation cost is saved.
Owner:PETROCHINA CO LTD

Material supply equipment and method for offshore wind power project construction and operation and maintenance

The present invention discloses a material supply equipment and method for offshore wind power project construction and operation and maintenance, the device comprises an unpowered hull, the unpowered hull comprises a main deck and multiple sub-decks, the main deck and the multiple sub-decks are connected and spliced ​​into a modular deck by a docking mechanism; the modular deck is connected with detachable railings on all sides; the main deck upper surface is connected with a main crane and multiple sub-cranes; the main crane comprises a tower base, the top of the tower base is connected with a slewing mechanism composed of a hydraulic cylinder and a bearing, the slewing mechanism is connected to a boom, the front end of the boom is connected with a windproof mechanism, and a wind-resistant adjustment algorithm can be executed; the invention solves the problems of insufficient cargo capacity, low efficiency, poor safety and insufficient stability in offshore wind power construction and transportation in the prior art, and has the characteristics of being splicable, movable, loadable and unloadable, and having good wind resistance.
Owner:YANGTZE THREE GORGES EQUIPMENT & MATERIALS CO LTD +1

Lifting system parameter acquisition method, device, equipment and storage medium

The present application provides a method, device, equipment and storage medium for obtaining parameters of a lifting system, which obtain a first mapping relationship and a second mapping relationship, wherein the first mapping relationship is the relationship between the tubing pressure and the pump hanging depth, the pump hanging depth refers to the depth from the wellhead position to the position of the electric submersible pump, and the second mapping relationship is the relationship between the casing pressure and the pump hanging depth. According to the first mapping relationship and the second mapping relationship, the alternative parameters of the gas lift valve are determined. According to the alternative parameters of the gas lift valve, the first inlet pressure of the electric submersible pump is determined. If the difference between the first inlet pressure and the second inlet pressure is within the error range, the alternative parameters of the gas lift valve are used as the target parameters. Among them, the second inlet pressure is the inlet pressure of the electric submersible pump when there is no gas lift valve. From an engineering perspective, the parameters of the combined lifting system are optimized and designed to improve the stability of the system and the lifting efficiency of the system.
Owner:PETROCHINA CO LTD