193results about How to "Shorten the lifting time" patented technology

The invention discloses a manufacture technology for a hatch coaming and a hatch cover. The manufacture technology mainly comprises steps of the positioning of the hatch coaming, the surplus cutting, welding, then the assembly of the hydraulic equipment, pipelines and the electrical equipment, and then the hoisting of the hatch cover, the installation and the final debugging; the hatch coaming and the hatch cover adopt the following steps that firstly the actual main deck line type of the position of a dock where the hatch cover is positioned is copied onto a platform, and then positioning, the accurate detecting and welding are carried out according to the shape and the height of the hatch coaming on the platform; then the hydraulic equipment, the pipelines and the electrical equipment are assembled, after that, the hatch cover is hoisted; and finally the whole manufactured hatch coaming and the hatch cover are hoisted in a hatch position for one time and to be fixedly connected with a boat. Through the technology, the hoisting frequency of a gantry crane is reduced during the hoisting process, the hoisting time is reduced, and the hoisting efficiency is improved; the construction on the platform enlarges the usable operating region, and simultaneously the construction is more convenient and securer.

The invention discloses a fabricated type building intelligent hoisting method and a system based on machine vision. The fabricated type building intelligent hoisting system based on the machine vision comprises an image gathering module, an image processing and decision module and a device control module, the image processing and decision module and the image gathering module are communicated, and the device control module and the image processing and decision module are communicated. According to the fabricated type building intelligent hoisting method and the system based on the machine vision, the machine vision replaces the reliance on human vision in the hoisting process of the fabricated type building. Obstacle recognition is conducted in a complex fabricated scene through a deep learning model of a convolutional neural network and a type-II fuzzy neural network by using the machine vision, prefabrication hoisting path planning is conducted by using ant colony algorithm, and consequently, the movement of equipment on the scene is controlled according to the decision result. The fabricated type building intelligent hoisting method and the system based on the machine vision analyze and obtain the best scheme from the complex scene by using the camera instead of the human eye, can better plan the prefabrication hoisting path, greatly improve the hoisting efficiency and accuracy of the fabricated type building, realize the intelligent hoisting of the fabricated type building, and improve the shortcomings of artificial hoisting.

The invention discloses a method of rapid detection of precision of the position and closure in the process of ship building, which is mainly used to detect the structure and the closure precision of block assembly, and the steps include: before the closure, presetting an assembly position line which is used for ensuring the position of closure on to-be-assembled plates or a truss; before position closure, arranging an another reference line parallel to the assembly position line on one side of the assembly position line on assembled plates or the truss via equidistance; when positioning to assemble, detecting the location precision of the reference line. The invention increases the precision and speed of the block assembly and position closure through the arrangement and application of the reference line (check line), thereby reducing the workload of trimming. Experiments have proved the invention, such as that in the sectioned position closure of vertical wall and horizontal wall of each ship body, the hoisting time of the method is saved by nearly one hour, and the trimming rate of 60% in the existing implementing method is reduced to 20%.

The invention discloses a positioning and reinforcing system and method for an assembly type building cast-in-place connection layer reserved reinforcing steel bar. The system comprises an axial positioning and detecting device and an anti-deflection reinforcing device. The axial positioning and detecting device is used for detecting and positioning the reserved reinforcing steel bar before casting, and the anti-deflection reinforcing device is used for reinforcing the positioned reserved reinforcing steel bar and preventing the reserved reinforcing steel bar from deflecting and inclining in the casting process. Positioning precision of the reserved reinforcing steel bar and non-deflection during concrete casting are guaranteed, cyclic and repeated use can be achieved, energy conservation and environmental protection are achieved, materials are not wasted, connection modes are all physical connection, operation is easy and quick, subsequent installation of a pre-cast shear wall is benefited, time for hoisting the wall in place is shortened, installation precision of the wall is improved, the installation quality is guaranteed, the construction cost is effectively reduced, and the construction period is shortened.

The invention relates to a technology for hoisting LNG liquefied gas transport ship liquid tanks to a hold. The hoisting technology can hoist a first liquid tank and a second liquid tank successivelyafter parts on a hull are closed to form a whole body. The hoisting technology includes the following steps: (1) performing preparation; (2) cleaning a surface of the first liquid tank; (3) trying hoisting the first liquid tank; (4) horizontally putting the first liquid tank to a guide device; (5) putting the first liquid tank in a saddle and pressing a die; (6) pouring epoxy resin to the saddleand a wood block; (7) finishing the operation; and (8) preparing to hoist the second liquid tank. The advantages of the invention are that the hoisting difficulty is lowered, and the positioning precision of liquid tank hoisting and the hoisting efficiency can be improved; the whole hoisting technology optimizes tool use and labor arrangement during a transport ship liquid tank hoisting process; the safety can be ensured; and safe and reliable operation for hoisting the liquid tanks to the hold can be ensured.

The invention relates to a construction device, in particular to a grid-type formwork supporting and operating platform for construction of a water tank on the top of an inverted-cone water tower. The grid-type formwork supporting and operating platform is characterized in that a steel-pipe derrick is erected at the center of a cylinder of the water tower, a girder of the derrick is 5 m higher than the top of the water tank of the water tower, an inverted-cone steel grid is mounted around a ring joist of the water tank, suspending ends of a main truss of the grid are connected with a ring beam outside the girder of the derrick through steel wire ropes, and thus, the stable and safe overhead cast-in-situ water tank formwork supporting system and operating platform are formed. By the grid-type formwork supporting and operating platform which is mainly used for construction of the water tank on the top of the inverted-cone water tower, difficulty in construction of the inverted-cone water tower is overcome, and problems of long construction period, low construction efficiency, high equipment investment cost and the like in the prior art are solved.

The invention discloses a construction method for hoisting a novel phase modifier based on a portal frame and a Laoxinge device. Construction preparation and basic treatment are conducted; track beamsupports are arranged and reinforced; track beams are placed; the track beams are arranged in two columns on steel buttresses and fixed through bolts; a portal frame traveling mechanism is placed, anda portal frame is mounted; a hydraulic hoisting device is mounted and arranged; a hoisting device is perfected and debugged; a stator is unloaded and steered; the hydraulic hoisting device is arranged again; the stator is hoisted in position; and hoisting equipment is dismounted. The track beams are laid between a phase modifier base platform and a hoisted object, the Laoxinge device are matchedwith the portal frame to travel on the track beams, the effect that heavy objects are hoisted in position in factories without heavy hoisting equipment in a narrow space is achieved, vertical lifting,lowering, back-and-forth movement and rotation operation of the heavy objects can be completed, and the problems that in the prior art, assembled operation equipment is adopted for operation, the operation steps are cumbersome and complicated, the workload and labor intensity of personnel are increased, and the burden on enterprises is increased are solved.

The invention provides a precise aerial alignment system and method a suspension bridge steel bridge. A fixing rack and a counterforce rack are respectively mounted on two steel beam alignment end topchords to be aligned; the fixing rack is connected with the counterforce rack through a pull rod; the pull rod is fastened by using a screw nut at a fixing rack end; an auxiliary screw nut is screwedat a counterforce rack end, sequentially penetrates through a box type pushing bracket, a jack and a pad plate and is screwed and fastened; two steel beams are mutually approached and aligned by using the jack through a traction pull rod; chain blocks are mounted on lugs on both sides of the top surface of a steel beam; each chain block is connected with an opposite lug on the other steel beam ina diagonal manner through a steel wire rope; and the steel wire ropes are constantly tightened in the alignment process to prevent wind loads. By adopting the system, precise aerial alignment of steel beams can be rapidly achieved by virtue of stroke controllability of the jack, transverse stability of a longitudinal cross-pulling device and effectiveness of a transverse wind resistant device, the hoisting time of steel beams is shortened, and the construction cost can be reduced.

The invention discloses a system and method for integrating routine tests of railway vehicles. The system comprises a static debugging workshop and a railway vehicle, and is characterized in that the static debugging workshop is internally provided with a static debugging test line and a cut-through test line, the static debugging test line and the cut-through test line are connected through a dynamic debugging test line, the railway vehicle is stopped at the upper ends of the static debugging test line and the cut-through test line, and routine test railway vehicles comprise subway A-type vehicles, subway B-type vehicles, 100% low-floor tramcars, 70% low-floor tramcars and the like. The system and method used for integrating routine tests of railway vehicles have the beneficial effects that working procedures between completion of a vehicle and entrance to static debugging are organically integrated together after a cut-through line is built, a lot of vehicle handling time is saved, and vehicle transfer is not required.

The invention belongs to the technical field of buildings, and particularly discloses a high-rise building construction steel formwork and operation frame integral lifting platform device. The devicecomprises a truss main beam, auxiliary beams shaped like the Chinese character 'mu', supporting columns, inner hanging frames, outer hanging frames and hanging skirt plates. The lower ends of the supporting columns are installed on a concrete wall body, upper electric hoists are arranged at the top ends of the supporting columns, and the truss main beam is connected with the supporting columns through the upper electric hoists; the truss main beam is connected with lower electric hoists; the auxiliary beams shaped like the Chinese character 'mu' are connected with the truss main beam through U-shaped clamps, and modular steel plate nets are arranged on the auxiliary beams shaped like the Chinese character 'mu'; the outer hanging frames are hung on the auxiliary beams shaped like the Chinese character 'mu' along the outer wall of a building, the inner hanging frames are fixed to the auxiliary beams shaped like the Chinese character 'mu' through the U-shaped clamps, and the steel formwork is hung on the auxiliary beams shaped like the Chinese character 'mu' through hanging ropes at the top end of the steel formwork; the steel formwork, the inner hanging frames and the outer hanging frames ascend along with lifting of the platform device. External large equipment is not needed, and manpower and cost are greatly saved.

The invention discloses an integrated connection module structure of a nuclear power station safe shell steel lining. The structure comprises a baseplate ring segment, a haunching area wall plate anda horizontal segment, the baseplate ring segment and the horizontal segment are both horizontally arranged, and the haunching area wall plate is vertically arranged; the baseplate ring segment is fixedly connected with the lower end of the haunching area wall plate, the upper end of the haunching area wall plate is fixedly connected with one end of the horizontal segment, and a first reinforcing joint is arranged on the connection portion of the baseplate ring segment and the haunching area wall plate; a second reinforcing joint is arranged on the connection portion of the haunching area wallplate and the horizontal segment, a third reinforcing joint is arranged at the end, away from the haunching area wall plate, of the horizontal segment, and the baseplate ring segment, the haunching area wall plate, the horizontal segment, the first reinforcing joint, the second reinforcing joint and the third reinforcing joint are integrally assembled into an entirety and then fixedly connected with the lowest layers of the baseplate ring segment and a nuclear power station safe shell steel lining cylinder. The integrated connection module structure has the advantages that module assembly is conducted on an assembly field, hoisting in position at a time is achieved, and the intersecting construction time of construction with an inner shell is reduced.

The invention belongs to the field of LNG storage tank construction, and particularly relates to an LNG storage tank in-tank pipeline mounting method. In order to solve the problems that in the prior art, when an LNG storage tank in-tank pipeline is lifted, construction time is long, construction cost is high, and aerial work risks exist, the invention discloses the LNG storage tank in-tank-pipeline mounting method. The LNG storage tank in-tank pipeline mounting method comprises the steps of prefabricating of an in-tank pipeline in a storage tank, mounting and arranging of a lifting device and lifting of the in-tank pipeline through a winch. According to the LNG storage tank in-tank pipeline mounting method, aerial lifting work risks on the outer portion of the storage tank can be avoided, safety in the lifting process can be improved, through arrangement of a lifting device in the storage tank, one-time lifting of the in-tank pipeline can be achieved, the lifting time can be shortened, and lifting construction cost can be reduced.

The invention discloses a control handle for a hand hydraulic carrier. The control handle for the hand hydraulic carrier comprises a rod body and an annular handle connected to the rod body. A pinching handle is installed on the rod body and connected with a hydraulic lifting device of the hand hydraulic carrier through a transmission element. The rod body is connected with a pump body of the hydraulic lifting device through a pin shaft. The rod body is composed of a press rod part and a swing part which are movably connected. Lug plates on the two sides of the press rod part are connected with the pump body through pin shafts. The swing part is provided with a swing rod body and a sector block fixedly connected with the lower end of the swing rod body into a whole. A driving piece and a driven piece of a cam mechanism are composed of the sector block and a pump core of the pump body. In the cam mechanism, the sector block swings leftwards and rightwards, and the corresponding pump core moves downwards to supply oil or moves upwards to absorb oil. By the adoption of the control handle, carrier lifting time is shortened and meanwhile the operation range is reduced.

The invention discloses a jig frame tooling component for longitudinal bulkhead segmented general assembling construction. The jig frame tooling component comprises a rectangular bottom plate, wherein both longitudinal sides of the middle part of the plate surface of the bottom plate are vertically welded with a large baffle plate and a small baffle plate respectively; a reinforcing plate is vertically welded with the larger baffle plate, the small baffle plate and the bottom plate respectively; the bottom of the reinforcing plate is correspondingly provided with concave holes; the large baffle plate is in a bending structure and is reversely arranged on the bottom plate; a notch on the lower part of the large baffle plate is opposite to the small baffle plate, and the height of the small baffle plate is lower than that of the notch; and the inside of the upper part of the large baffle plate is provided with a round hole. The jig frame tooling component has the advantages of loosing hooks by only slightly adjusting when a crane is positioned, greatly reducing hoisting time, and improving the efficiency of the crane, the standardization degree of buttresses of the general assembling construction and the utilization rate of fields. In addition, tooling devices for the jig frame tooling component can be universal and can be reused, so that the cost can be reduced, and the component can be used simply and conveniently.

The embodiment of the invention discloses an optimization method and system of collaborative operating of multiple common-rail unmanned running vehicles of a steel coil post-rolling storehouse. The method comprises the steps of: A, accepting a storehouse area hoisting transportation task order, and dividing the same into sub-task-orders for steel coils, wherein the different sub-tasks-orders record one-time warehouse-out or warehouse-in operations of all the steel coil in different time periods; B, acquiring current running-vehicle data of the multiple running vehicles, and carrying out job assignment on the multiple running vehicles according to the same and the sub-task-orders to generate all hoisting transportation job orders of all the running vehicle; and C, arranging cooperative jobsof all the running vehicles according to all the hoisting transportation job orders of all the running vehicles, and controlling running of all the running vehicles according to the same. Therefore,the embodiment of the invention facilitates reducing of running-vehicle avoidance.

The invention belongs to the technical filed of hoisting equipment, and relates to a hoisting beam, in particular to an adjustable hoisting beam. The adjustable hoisting beam comprises two end beams, wherein a plurality of sequentially connected intermediate beams are arranged between the two end beams; the two end beams and the intermediate beams are connected through flanges; the plurality of intermediate beams are connected through flanges; and an upper hoisting lug is arranged at the upper part of each end beam, and a lower hoisting lug is arranged at the lower part of each end beam. According to the adjustable hoisting beam, the hoisting beam length can be freely adjusted according to different specifications of goods, so that the hoisting beam with the length corresponding to the specification lengths of goods is not required to be customized, the hoisting time is saved when goods with different specification lengths are hoisted, the work efficiency is improved, and the hoisting cost is saved.

The invention provides a horizontal hoisting clamp for a wallboard. The horizontal hoisting clamp comprises five parts, respectively a hoisting clamp cross beam (1), hoisting clamp arm locks (2), arm lock connecting rods (3), a hoisting rod (4) and a bolt (5), wherein the hoisting clamp arm locks (2) are respectively downwards arranged at two ends of the hoisting clamp cross beam (1), the two arm lock connecting rods (3) which are connected are arranged between the hoisting clamp arm locks (2), and places in which the two connecting rods (3) are connected are simultaneously connected with the hoisting rod (4) upwards penetrating through the cross beam and provided with a bolt hole. The upper end of the hoisting rod (4) is hung on a hoisting hook by a hook, a rope sling or hoisting frame, and when the wallboard is hoisted, the hoisting rod (4) upwards pulls the connecting rods (3), and the connecting rods (3) pull the arm locks (2) to move inwards. After the arm locks (2) firstly clamp the wallboard, the wallboard moves upwards along with the upwards movement of the hoisting rod (4), and thus the purpose of hoisting is achieved. When the wallboard is placed down, after the wallboard falls to the ground, the hoisting hook continues move downwards, the hoisting rod is pressed to be below the cross beam to expose the bolt hole, and the arm locks are released so that the wallboard is placed down. After the bolt (5) is inserted into the bolt hole, the hoisting hook moves upwards, the bolt (5) on the hoisting rod (4) lifts up the cross beam, and the clamp naturally moves out from the wallboard. Therefore, the hoisting clamp provided by the invention can be used for conveniently and rapidly hoisting various kinds of plate type objects with greater strength.

The invention discloses a fan hub hanger with a rotational locking mechanism and a using method thereof. The fan hub hanger with the rotational locking mechanism comprises a ring, an upper connection module, an intermediate connection module, a lower connection module, a claw module and a rotational locking mechanism, wherein the ring is fixed right above the upper connection module which is connected with the intermediate connection module; the intermediate connection module is connected with the claw module which is fixed on the lower connection module; the rotational locking mechanism is mounted right below the upper connection module; and a slot matched with the rotational locking mechanism is formed on the upper surface of the lower connection module. The invention further discloses a using method for the fan hub hanger with the rotational locking mechanism. The fan hub hanger has the advantage that a worker does not need to ascend to transport a hub.

The invention discloses an asymmetric installation construction method for a straddle type light rail special steel box extradosed cable-stayed bridge. The method comprises the steps of dividing a full-bridge steel box girder into a plurality of girder sections, and then conducting asymmetric installation according to the hoisting sequence of a side span section D1, a middle span section C1, a side span section D2, a middle span section C2,..., a side span section Dn, a side span section D<n+2>, a side span closure section,..., a middle span section Cn and a middle span closure section H. According to the method, steel pipe supports do not need to be arranged in the mid-span section, and channel requirements can be met to the maximum extent.

The present invention relates to a steel grating through-type drifting clamping feeding mechanism. The problems to be solved are poor procedure continuity, time waste, labor waste, and low production efficiency due to that a welded steel grating may not be directly delivered to a pit-saw cutting table. The technical solution employed to solve the technical problems has the following key points: a servo drive mechanism drives a feeding trolley to move backward and forward along a feeding platform; a rollgang is disposed on the feeding platform; a steel grating clamping mechanism on the feeding trolley consists of horizontal U-shaped clamps on both sides, and a lower clamping plate of each U-shaped clamp is lower in position than the upper tangent-plane of the rollgang so that the conveyed steel grating can pass through the U-shaped clamp. The U-shaped clamps are controlled by power to clamp and fix up and down. The steel grating through-type drifting clamping feeding mechanism is applicable to steel grating production.

The invention discloses a construction method of PK prestressed concrete overlapping slabs. The construction method comprises the following steps: S1, according to the requirements of a design drawing, preparing corresponding PK slabs, conveying to a construction site, and stacking by batches; S2, according to designed locations of the PK slabs in the drawing, setting up support frames with adjustable height at the corresponding locations, so as to press the PK slabs onto transverse rods in the support frames; S3, enabling lifting equipment to lift the PK slabs to the corresponding locations, and simultaneously paving the PK slabs one by one until fully paving; S4, according to the design requirements of the drawing, reserving a water and electricity pipeline mounting hole in the corresponding PK slab; S5, sealing at a connecting part of each PK slab and a beam and column formwork; S6, arranging a reinforcing bar and a pipeline on each PK slab; S7, casting concrete on each PK slab; S8, detaching the support frames and the beam-column formwork set up in step 2. The construction method of the PK prestressed concrete overlapping slabs has the advantages that the PK slabs are lifted by a self-made lifting tool, the lifting time is shortened, and the lifting procedure is simplified.