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Track assembly for a storage system
A system for guiding the movement of one or more load handling devices in operation includes: a) a first set of parallel tracks and a second set of parallel tracks, the first and second sets of parallel tracks sharing a common track, each track of the first and second set of parallel tracks providing a track surface; and b) a first load handling device and a second load handling device, each having a wheel assembly engaging with the track surface and with the track surface of the common track; wherein each track of the first and second sets of parallel tracks include only two guide surfaces extending from the track surface for guiding the first and second load handing devices along their respective first and second sets of parallel tracks.
Owner:OCADO INNOVATION LTD
Rail protection system for crown block operation
The rail protection system is used for preventing the crown block running on a rail system from rushing out, the rail system comprises a straight rail and a bent rail in transition connection with the straight rail, in the walking direction limited by the straight rail, the straight rail is provided with a reserved straight section comprising a rail breaking opening on the first side of the bent rail, and the rail breaking opening is formed in the first side of the bent rail. The straight rail is provided with a conventional straight section on the second side of the bent rail; the track protection system comprises a blocking device fixed to the reserved straight section and a track protection device fixed to the reserved straight section. The steering guide piece is fixed above the conventional straight section; the steering device comprises a steering wheel arranged on the crown block, the steering wheel is configured to be capable of moving in the transverse direction so as to be adjusted to a guide matching position, and when the steering wheel is located at the guide matching position, the steering wheel is driven to rotate. The steering wheel can be matched with the steering guide piece when advancing along the conventional straight section so as to enable the crown block to steer and enter the bent rail, and the transverse direction and the walking direction are perpendicular to each other in the horizontal direction.
Owner:MEETFUTURE TECH (SHANGHAI) CO LTD
Annular slide wire device and quay crane with annular girder
The invention provides an annular sliding contact line device and a quay crane with an annular girder, the annular sliding contact line device is used for the quay crane with the annular girder, and the annular sliding contact line device comprises a plurality of sliding contact line supports which are arranged below the annular girder at intervals and form an annular shape corresponding to the annular girder; the control slide wire group is correspondingly arranged on the plurality of slide wire brackets and is in an annular shape corresponding to the annular girder; the power supply slide wire group is correspondingly arranged on the plurality of slide wire brackets and is in a ring shape corresponding to the annular girder, and the power supply slide wire group is positioned below the control slide wire group; and one end of the carbon brush assembly is respectively and electrically connected with the control slide wire group and the power supply slide wire group in a sliding manner, and the other end of the carbon brush assembly is electrically connected with a trolley on the annular girder. The annular slide wire device is compact in structure and capable of stably supplying power and transmitting signals.
Owner:SHANGHAI ZHENHUA HEAVY IND
View angle image synthesis method and device, equipment, storage medium and program product
The embodiment of the invention provides a visual angle image synthesis method and device, equipment, a storage medium and a program product, and relates to the technical field of Internet of Things. The method comprises the following steps: receiving a detection image shot by a monocular camera, correcting the detection image based on camera parameters of the monocular camera, inputting the corrected detection image into a depth estimation network, and determining a three-dimensional point cloud corresponding to the detection image based on an output result of the depth estimation network; based on the three-dimensional point cloud, determining the position of an obstacle within the driving range of the field bridge cart; and determining a driving strategy of the yard crane cart based on the obstacle position, and controlling the driving state of the yard crane cart based on the driving strategy. The method provided by the invention effectively solves the problems of insufficient obstacle recognition capability and poorer anti-collision effect of the anti-collision system of the field bridge cart.
Owner:SANY MARINE HEAVY INDUSTRY CO LTD
Overhead crane and method for operating an overhead crane
Overhead crane (1) with a guide rail arrangement (3) with a guide rail (5) on which a crane trolley (7) can be moved by means of a running gear device (9), and with at least two parallel track support rails (13), wherein the guide rail (5) is fastened to running gears (19) guided in the track support rails (13) and can be moved on the track support rails (13) by means of the running gears (19), wherein each of the track support rails (13) is fixedly fastened to an environment by means of at least two spaced-apart suspension devices (15), and wherein a measuring device (17) for directly or indirectly detecting a force directed in the direction of gravity is arranged on at least two of the suspension devices (15) of each of the track support rails (13).
Owner:EEPOS
Heavy sliding turnout of monorail crane track
The invention provides a monorail crane rail heavy sliding turnout which comprises an installation frame, a first short straight rail fixedly arranged below the left side of the installation frame, a second short straight rail fixedly arranged below the right side of the installation frame and a short bent rail. The rail transfer conduction assembly is movably arranged on the mounting frame and used for communicating the first short straight rail with the second short straight rail or communicating the first short straight rail with the short bent rail to form an integral structure, and the rail transfer driving air cylinder is fixedly arranged on the mounting frame and used for driving the rail transfer conduction assembly to move. The first limiting assembly and the second limiting assembly are arranged on the mounting frame and used for conducting linkage limiting on the left side and the right side of the rail transfer conduction assembly after the rail transfer conduction assembly moves in place, and the car stopping assembly is used for stopping passing of a curve when a straight way is connected or stopping passing of the straight way when the curve is connected. By means of the overall structural design, track changing is rapid and accurate during use, the structure is firm, the safety coefficient is high, the track changing running stability and passing ability of the monorail crane can be improved, faults and losses are reduced, and the running efficiency of the monorail crane is improved.
Owner:CHANGZHOU DEV & MFR CENT
Gantry crane stroke position accurate detection device
The invention relates to the technical field of gantry cranes, in particular to a gantry crane stroke position accurate detection device which comprises two symmetrical positioning rails, pulley seats, a gantry crane frame, a mounting frame, fasteners and anti-skid sleeves, positioning pin holes are symmetrically formed in the tops of the two positioning rails in the axial direction, and the pulley seats are arranged on the pulley seats. Pulley seats are slidably connected to the tops of the positioning rails, a gantry crane frame is mounted between the two pulley seats, a mounting rack is arranged on the bottom surfaces of the middles of trusses of the two pulley seats, fasteners are connected to the two sides of the mounting rack, anti-skid sleeves are arranged at the bottoms of the fasteners on the two sides, and the anti-skid sleeves are slidably connected with the upper parts of the positioning rails. Rigid mechanical constraint is formed through the two-way guide rails and the anti-skid wheels on the two sides, the deviation trend of the gantry crane in the walking process is forcibly corrected, the operation stability is improved, and position measurement errors caused by track deviation are avoided.
Owner:唐宏
Double-hook synchronous self-propelled mechanism
Owner:GERENO (JIANGSU) INTELLIGENT EQUIP CO LTD
Multi-tower linkage type aerial hoisting platform
A multi-tower linkage type aerial hoisting platform includes: four tower crane body lifting / lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and including a tower crane body and a self-climbing lifting / lowering system that is capable of climbing or descending step by step along the tower crane body; four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting / lowering systems, where a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting / lowering systems to move up and down synchronously; and four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting / lowering parts, including movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, where four corners of the support parts are respectively provided with rotary drilling fastening parts.
Owner:WUHAN CONSTRUCTION ENGINEERING GROUP CO LTD
Heavy object movement device and heavy object movement method using the heavy object movement device
ActiveJP2025081498ABase supporting structuresBraking devices for hoisting equipmentsClassical mechanicsPortal frame
To provide a heavy object movement device and a heavy object movement method using the heavy object movement device that allows easy transportation to a construction site and installation at the site.SOLUTION: A heavy object movement device comprises: traverse rails; a pair of gantry frames provided facing each other near both ends of the traverse rails; and a lifting mechanism that runs along the traverse rails. A heavy object movement method using the heavy object movement device to move heavy objects includes the steps of: deploying and installing gantry frames having shortened braces and connecting beams, in which the gantry frames comprise a pair of braces that can be expanded and contracted in the height direction, and the connecting beam that connects the upper ends of the braces and can be expanded and contracted in the longitudinal direction; lifting and moving a heavy object by making a heavy mechanism run along the traverse rails while the heavy object is suspended; and minimizing the unfolded gantry frames by shortening both the braces and the connecting beams.SELECTED DRAWING: Figure 2
Owner:OHBAYASHI GUMI LTD +1
Crown block hoisting system
The invention relates to the technical field of hoisting equipment, in particular to a crown block hoisting system. Comprising a cart support arranged on the ground and a cart unit arranged on the cart support in a matched mode, and the cart unit moves along the cart support. A trolley moving beam is arranged on the cart unit, the trolley unit is arranged on the trolley moving beam in a matched mode, and the trolley unit moves along the trolley moving beam; a hoisting unit is arranged on the trolley unit, and the operating end of the hoisting unit is connected with the hoisting connecting mechanism; the hoisting connecting mechanism is used for fixing a to-be-hoisted object; the cart support comprises supporting legs and cart cross beams arranged on the supporting legs. Monitoring cameras are arranged on the two sides of the cart support and the two sides of the trolley moving beam respectively and used for monitoring the operating environment and the equipment state of the crown block in real time, and the positions of the cart, the trolley and the hoisting state of the crown block are monitored; the monitoring camera is connected with the NVR through the switch; the invention aims to solve the technical problem of monitoring the positions of the cart and the trolley of the crown block.
Owner:BAOTOU IRON & STEEL (GRP) TIEJIE LOGISTICS CO LTD
Adjustable quay crane bearing rail beam connector
The invention provides an adjustable quay crane bearing rail beam connector which comprises a rear crossbeam bearing rail beam connector body, the rear crossbeam bearing rail beam connector body comprises a rear bearing rail beam support and a rear bearing rail beam, and the rear bearing rail beam support is arranged in the first direction and connected with the end, facing a front crossbeam, of a rear crossbeam; a first arc-shaped opening is formed in the end, facing the front girder, of a rear bearing rail beam main web of the rear bearing rail beam. The front girder and rail bearing beam connector comprises a front rail bearing beam boss and a front rail bearing beam, the front rail bearing beam is connected with the side, away from the front girder, of the front rail bearing beam boss, a second arc-shaped opening is formed in the end, facing the rear girder, of a front rail bearing beam main web, and the top face of the front rail bearing beam is flush with the top face of the rear rail bearing beam; the front rail bearing beam boss abuts against the rear rail bearing beam support. The adjusting supporting block is arranged at the end, facing the rear girder, of the second arc-shaped opening of the front rail bearing beam main web, and the adjusting supporting block is used for abutting against the first arc-shaped opening. According to the bearing rail beam connector, the regional rigidity can be improved.
Owner:SHANGHAI ZHENHUA HEAVY IND
Hanging rail moving device for metal electroplating
The utility model relates to the technical field of hanger rail moving equipment, in particular to a hanger rail moving device for metal electroplating, which comprises a limiting moving mechanism, a plurality of supporting mechanisms are arranged on the inner side of the limiting moving mechanism, the limiting moving mechanism comprises two first supports, and first sliding grooves are formed in the upper ends of the two first supports. A second support is arranged above the first support, a first limiting groove and a second limiting groove are formed in the two ends of the second support correspondingly, and a third telescopic rod is arranged at the upper end of the side, away from the first limiting groove, of the second limiting groove; according to the device, the multiple supporting mechanisms and the hanger rail bodies are arranged, the positions of the supporting mechanisms and the hanger rail bodies can be adjusted through stretching and retracting of the four telescopic rods, it is guaranteed that metal is electroplated in an original electroplating device all the time in the metal hanging and detaching process, and the metal electroplating efficiency is improved.
Owner:FUNAN PLITE METAL SURFACE TREATMENT CO LTD
A single-track hoist for mine use
The present invention discloses a mine monorail crane, which relates to the technical field of monorail crane equipment and includes an I-beam rail, a carriage distributed below the I-beam rail, and a diesel main engine box. A plurality of groups of connection mechanisms for connecting the carriage and the diesel main engine box are arranged on the outer side of the I-beam rail; a braking mechanism for braking is arranged inside each group of connection mechanisms; a buffer mechanism is connected between each group of connection mechanisms; the connection mechanism drives the carriage and the diesel main engine box to move along the bottom of the I-beam rail. In case of an emergency, the braking of the braking mechanism and the buffering of the buffer mechanism are used to protect the equipment against inertia. The mine monorail crane disclosed by the present invention has the effects of multi-stage braking, high stability and safety.
Owner:LUOYANG INST OF SCI & TECH
Turnable single-beam electric hoist hoisting equipment
PendingCN120440768ABase supporting structuresBraking devices for hoisting equipmentsCircular discClassical mechanics
The invention relates to the technical field of hoisting equipment, in particular to turnable single-beam electric hoist hoisting equipment which comprises a supporting frame, a fixed rail beam and an electric hoist, the electric hoist comprises a walking mechanism and a hoisting mechanism, and a shaft body is fixed to the middle of the top face of the swing rail beam; the tops of the multiple fixed rail beams are fixed to the top of the supporting frame, the swing rail beams are arranged between the corresponding ends of the two fixed rail beams which are perpendicular to each other, and the shaft body is rotationally connected to the top of the supporting frame in a sleeving mode. A disc with the top face fixedly connected with the bottom face of the walking mechanism is arranged at the top of the hoisting mechanism, the disc is fixedly sleeved with a slewing bearing, the walking mechanism is provided with a power piece in meshing transmission with a rotating outer ring gear ring of the slewing bearing, and a telescopic clamping mechanism is fixed to the rotating outer ring of the slewing bearing in the radial direction. The telescopic clamping mechanism comprises a clamping piece which can move in the radial direction relative to the slewing bearing and is in sliding clamping fit with the bottom of the fixed rail beam in the axial direction. Therefore, the walking direction of the single-beam electric hoist can be adjusted stably and smoothly.
Owner:WEITE LIFTING EQUIP (HEFEI) CO LTD
Aerial cross turntable
The utility model belongs to the technical field of lifting appliance devices, and provides an aerial cross turntable which comprises a mounting plate, a shell arranged on the mounting plate, a rotation driving mechanism arranged in the shell, a transition disc arranged at the bottom of the shell and driven by a rotation control mechanism, and a sky rail arranged on the transition disc, the detection switch and the RFID chip are arranged on the sky rail, and the limiting and detecting mechanism is used for confirming the rotation condition and controlling the rotation condition. The rotating driving mechanism comprises a rotating motor, a first synchronous wheel arranged on an output shaft of the rotating motor, a second synchronous wheel connected with the first synchronous wheel through a synchronous belt, and a rotating shaft connected with the second synchronous wheel; the transition disc is connected with the rotating shaft. The electric power-assisted lifting appliance is used in combination with the cross rail, drives the sky rail to achieve the 0-degree and 90-degree position conversion function, achieves the change of the connecting structure of the sky rail and the cross rail, and expands the moving range of the electric power-assisted lifting appliance.
Owner:CHENRUI ROBOT (CHONGQING) CO LTD
Trolley for cleaning OHT crown block track
The invention discloses a trolley for cleaning an OHT crown block track, and relates to the technical field of OHT crown blocks, the trolley comprises a shell and a crown block track, the crown block track is located right above the shell, the upper surface of the shell is fixedly connected with a mounting plate, and the upper surface of the mounting plate is fixedly provided with a driving mechanism; the device comprises a mounting plate, a driving mechanism is fixedly mounted on the upper surface of the mounting plate, the output end of the driving mechanism is slidably connected with a crown block track, a cleaning mechanism is fixedly mounted on the upper surface of the mounting plate and comprises a dust removal suction nozzle and a first sweeping mechanism, and the dust removal suction nozzle is located over the crown block track. Dust is sucked into the dust suction and collection device through the dust removal suction nozzle to be collected; the cleaning efficiency of the crown block track is improved, the potential safety hazard of falling injury of personnel is avoided, a padlock is not needed to stop production equipment in the cleaning process, the cleaning trolley is started in a production gap, and the production efficiency is improved.
Owner:JIANGSU DAODA INTELLIGENT TECH CO LTD
Counterweight and battery installation auxiliary arm
The invention discloses a counterweight battery installation auxiliary arm which comprises a moving mechanism, a main mechanical arm, a rotary joint, a mechanical arm, an operating handle, a lifting hook, a suction cup, an air source pipeline and a safety protection valve, the main mechanical arm is arranged on the moving mechanism in a multidirectional adjustment mode, and the mechanical arm is rotatably arranged on the main mechanical arm through the rotary joint; the operating handle is arranged on the manipulator, the lifting hook is arranged at the front end of the bottom of the manipulator and used for lifting a battery, the suction cup is arranged at the bottom of the manipulator and used for adsorbing a balancing weight, the air source pipeline is connected with the suction cup and used for providing suction force for the suction cup, and the safety protection valve is arranged on the air source pipeline and used for preventing the balancing weight adsorbed on the suction cup from falling off after air is cut off. The overall structure is simple, multidirectional movement can be achieved, it is effectively ensured that the balance weight and the battery can be accurately moved to the designated installation position, manpower is effectively reduced, the assembling efficiency is improved, the falling risk of the balance weight in the moving process is effectively avoided, and the transportation safety is improved.
Owner:TAIYUAN HEAVY IND
A method for erecting an assembled high-pile wharf
The present invention relates to the field of dock construction technology, and specifically to a method for erecting an assembled high-pile dock, which uses an integrated device for erecting beams and slabs of a high-pile dock, the device comprising a crossbeam, a leg disposed under the crossbeam and capable of moving laterally, a longitudinal beam disposed on the crossbeam and capable of moving laterally, and a hoisting trolley disposed on the longitudinal beam and capable of moving longitudinally; the method comprises: erecting the device on the shore; driving the device to move to the dock area by means of a plurality of the legs; laying tracks along the length of the dock by means of the hoisting trolley, so that the bottom of the leg can drive the entire device to move along the length of the dock, and hoisting the prefabricated parts from the shore to the dock area for installation by means of the hoisting trolley, until all the prefabricated parts are installed. The present invention realizes the hoisting and transportation of prefabricated parts between the shore and the dock area through the device, reducing or even avoiding the influence of the waves on the prefabricated parts during transportation and installation.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1
Rail installation method of underground cavern arch lifting equipment
The invention discloses a rail installation method of underground cavern top arch hoisting equipment, which comprises the following steps of: S1, designing a rail layout scheme, and measuring and paying off on an underground cavern top arch; s2, fixing assemblies are installed, the multiple fixing assemblies are arranged along the center line of the track at intervals, each fixing assembly is composed of a pair of anchoring parts and a bearing part connected with the anchoring parts, the tops of the anchoring parts are anchored into the cavern top arch rock mass, and the bearing parts are fixedly connected with the exposed sections of the bottoms of the two anchoring parts; and S3, the rails are welded to the bearing pieces of all the fixing assemblies, and rail installation is completed. The rail installation method of the underground cavern top arch lifting equipment is convenient to construct, safe, reliable, low in investment cost and suitable for the situation that rail fixing embedded parts cannot be pre-embedded due to the fact that an underground cavern top arch is not provided with a reinforced concrete lining, and the operation requirement of the lifting equipment can be met.
Owner:YELLOW RIVER ENG CONSULTING CO LTD
A hoisting method for high-rise building construction
ActiveCN116290805BBase supporting structuresBraking devices for hoisting equipmentsFloor slabArchitectural engineering
The present invention discloses a hoisting method for high-rise building construction, which includes the following specific steps: S1. Installation of hoisting equipment, the hoisting equipment includes a walking structure, a tower column body, an external climbing frame, a crossbeam track, and a hoisting trolley; S2. Construction of a climbing foundation, first construct the core area of the second floor, and the hoisting equipment climbs to the floor slab of the core area by using its own jacking system; S3. The hoisting equipment hoists and transports building consumables; S4. Dismantling. The hoisting method proposed in this application, during the construction of high-rise buildings, as the building height gets higher and higher, the hoisting equipment uses its own hoisting system to achieve climbing with a large height difference, with less use and occupancy of standard sections, reducing the construction cost. The hoisting equipment moves on the roof of the building, covering the entire construction area, and it is more convenient to hoist building materials to the destination, solving the problems of limited operation radius of existing tower crane equipment, more structural steel used for jacking, and high maintenance cost for setting up multiple tower crane equipment at the same time.
Owner:THE SECOND CONSTRUCTION ENGINEERING CO LTD CCSEB
Positioning and clamping device and semi-portal transfer truss
PendingCN120463077ABase supporting structuresBraking devices for hoisting equipmentsMechanical engineeringPhysics
The invention relates to the technical field of truss positioning and transshipment, in particular to a positioning and clamping device and a semi-portal type transshipment truss.The positioning and clamping device comprises a positioning seat, a rotary driving part and a clamping part, the rotary driving part is installed at the upper end of the positioning seat, the positioning seat is driven to rotate through the rotary driving part, and the clamping part comprises a bidirectional driving part and two sets of clamping jaws; a clamping sliding rail is installed on the positioning seat, the two sets of clamping jaws are connected to the two ends of the clamping sliding rail in a sliding mode through clamping jaw sliding blocks respectively, the two-way driving piece is installed on the positioning seat, the two clamping jaws are driven by the two-way driving piece to synchronously and reversely move, the two clamping jaws are symmetrically installed relative to the two-way driving piece, and positioning grooves are formed in the clamping jaws. The positioning groove is in a V shape, and the horizontal distance between the two inclined side walls of the positioning groove is gradually reduced. The clamping and butting device has the effects of further reducing the clamping and butting work difficulty and improving the universality of the truss.
Owner:宁庆空天智能装备(南京)股份有限公司
Rail-crossing locking device of rail-crossing crane
The utility model relates to the technical field of crane rail crossing, and discloses a rail crossing locking device of a rail crossing crane, which comprises a fixed beam and a movable beam, fixed parts are fixedly connected outside the fixed beam and the movable beam, sleeves are fixedly connected inside the fixed parts, a hydraulic cylinder is fixedly connected on the right side of the front end of the movable beam, and a hydraulic cylinder is fixedly connected on the right side of the front end of the movable beam. A push rod is slidably connected to the interior of the sleeve on the right side, a first limiting block is slidably connected to the interior of the sleeve on the left side, a moving rod is fixedly connected to the left side of the first limiting block, the moving rod is sleeved with a first spring, a sliding rod is fixedly connected to the bottom end of the first limiting block, and a rotating rod is rotatably connected to the interior of the fixing part. According to the device disclosed by the utility model, the structures such as the moving rod, the limiting block I, the spring I, the sliding rod, the rotating rod and the convex block are matched for use, so that the safety of the operation process is ensured, and the use efficiency and reliability of the device are also improved.
Owner:HENAN RIVER CRANE CO LTD
A European style double girder bridge crane
A European double-girder bridge crane effectively solves the problems of poor buffering effect and easy damage during lifting. It includes double main beams, outriggers, a trolley running mechanism, an electric trolley and a hoist. The electric trolley runs in the left and right directions on the double main beams. End beams are fixed at the left and right ends of the double main beams. A buffer mechanism corresponding to the electric trolley is installed on the end beam. The buffer mechanism includes a first buffer block and a first guide rail. Linkage mechanisms are provided at both front and rear ends of the first guide rail. The two linkage mechanisms are symmetrical about the front and rear directions of the first buffer block. The linkage mechanism includes a slider. The slider slides back and forth on the first guide rail. The slider is hinged to the first buffer block through a connecting rod. A first rack and a baffle are provided on the right side of the slider. The first rack is fixedly connected to the slider. A second rack is fixed on the left side of the baffle. Gears are installed on the end beams. The first rack and the second rack are meshed with the gears at the same time. The second buffer block is connected to the baffle for sliding back and forth.
Owner:SANXIN HEAVY IND (HENAN) CO LTD
Gantry crane rail reinforcing device
The utility model discloses a gantry crane rail reinforcing device, which relates to the technical field of cranes, and comprises a concrete base station, the upper surface of which is provided with a mounting groove for accommodating the bottom of a gantry crane rail and slots symmetrically arranged relative to the mounting groove; one surfaces of the pressing plate pieces are pressed and welded on the portal crane track, and the other surfaces of the pressing plate pieces are inserted into the slots; the top bolt is used for fixing the pressing plate piece on the concrete base table from the top direction; and the side bolt is used for fixing the pressing plate piece on the concrete base table from the side direction. According to the utility model, the position of the portal crane track is fixed from multiple directions, so that the fixing effect of the portal crane track is greatly improved.
Owner:YANTAI XINHAI ENG MASCH ENG CO LTD
Novel steel box girder hoisting equipment for bridge construction and construction method of novel steel box girder hoisting equipment
The invention discloses novel steel box girder hoisting equipment for bridge construction and a construction method thereof. The novel steel box girder hoisting equipment comprises a movable base, the movable base comprises a track and a movable platform, a hoisting platform and a hoisting mechanism are arranged on the movable platform, the hoisting mechanism comprises a steel wire rope and a winch, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with a hoisting device; the hoisting device comprises a hoisting support and a fixing device, the fixing device comprises a locking mechanism and a positioning mechanism, the locking mechanism comprises a locking shaft pin and a locking clamping block, and the positioning mechanism comprises a telescopic device and a positioning disc; wherein a pressure sensor is arranged on the positioning disc, a control module electrically connected with the pressure sensor is arranged on the telescopic device, and the control module dynamically adjusts the telescopic amount of the telescopic device by monitoring data of the pressure sensor in real time; the offset of the steel box girder in the hoisting process can be reduced, the construction safety and efficiency are remarkably improved, and the method is particularly suitable for hoisting operation of large-span and extra-heavy steel box girders.
Owner:POLY CHANGDA ENGINEERING CO LTD
Hoisting tool suitable for narrow space
The utility model provides a hoisting tool suitable for a narrow space, which relates to the technical field of construction engineering, and comprises a support frame and a narrow space hoisting mechanism, the narrow space hoisting mechanism is arranged on the outer side of the support frame, and through the arrangement of the narrow space hoisting mechanism, when the other side is on a roof, the narrow space hoisting mechanism can hoist the narrow space. The roof width adjusting pump only needs to be inserted into the roof supporting rod and extends outwards according to the width away from the roof until the right angle formed by the wall eave clamping plates in the mounting clamping grooves is clamped with the eave, so that supporting can be provided, and better supporting can be provided by being matched with the wall hydraulic pump and the wall clamping plates; when the height difference of roofs on the two sides of the roadway is not large, roof width adjusting pumps can be selectively inserted into wall supporting rods and roof supporting rods on the periphery of the supporting frame, height adjusting hydraulic pump rods are inserted into mounting clamping grooves, and the height adjusting hydraulic pump rods are inserted into the mounting clamping grooves; the height difference between the roofs on the two sides can be adjusted, and the horizontal height of the supporting frame is kept.
Owner:2ND CONSTR CO LTD OF CHINA CONSTR 5TH ENG BUREAU
Turnable trolley and quay crane with annular girder
The invention provides a turning trolley and a quay crane with an annular girder, the turning trolley comprises a frame assembly, the frame assembly comprises a bottom frame and two frames, the two frames are oppositely arranged on the bottom frame in the first direction, the annular girder is arranged between the two frames, and the bottom frame is located below the annular girder; one of the two pairs of wheel assemblies is arranged on the portion, located on the inner side of the annular girder, of the vehicle frame and is in sliding connection with the inner rail, the other pair of wheel assemblies is arranged on the portion, located on the outer side of the annular girder, of the vehicle frame and is in sliding connection with the outer rail, and the center distance between the pair of wheel assemblies on the outer rail is larger than that between the pair of wheel assemblies on the inner rail; each wheel assembly is driven by an independent driving piece; and the power connection assembly is arranged on the bottom frame and is electrically connected with the sliding contact line below the annular girder in a sliding mode, and the power connection assembly is electrically connected with all the driving pieces. The turning trolley can be suitable for the annular girder.
Owner:SHANGHAI ZHENHUA HEAVY IND
Portal crane for railway loading and unloading and construction method
The invention discloses a portal crane for railway loading and unloading and a construction method and relates to the field of hoisting equipment. The portal crane for railway loading and unloading comprises at least two main beams arranged in parallel, a crane carriage, at least two conversion supports, two stand columns and two tire walking mechanisms connected to the bottoms of the two stand columns correspondingly. Tracks extending in the length direction of the main beams are arranged on the main beams. The hoisting trolley is movably arranged on each track; the at least two conversion supports are symmetrically connected to the bottoms of the main beams in a manner of rotating around the vertical axis, and the two ends of the conversion supports are configured to rotate along the vertical plane so as to support the ground or be folded; the two stand columns are connected to the bottoms of the two ends of each main beam in a telescopic mode in the height direction. According to the portal crane for railway loading and unloading and the construction method provided by the invention, the problem that large hoisting equipment cannot enter a station from a road and cannot be self-assembled under the working condition of no external hoisting equipment is solved.
Owner:CHINA RAILWAY HEAVY MACHINERY +1