3845results about "Base supporting structures" patented technology

A power transmission line crimped pipe detection system, and a method. The detection system comprises: a beam-type platform (25) and a detection robot (30). The beam-type platform (25) is connected to the detection robot (30) by means of a rope body and is arranged on a bundled conductor (23) to control the ascent and descent of the detection robot (30). The detection robot (30) comprises: a robot body (65), a rotating mechanism connected to the robot body (65), and a detection mechanism, the rotating mechanism being connected to the detection mechanism. The detection robot (30) is configured to change the relative position between the detection mechanism and the robot body (65) by means of the rotating mechanism, so as to perform balance control during processes of climbing up and down a line and during detection processes.

The invention relates to a steel structure trestle hoisting device, belongs to the technical field of bridge construction machinery, and is used for solving the technical problems that traditional hoisting equipment is low in mounting precision, poor in posture adjusting efficiency and easy to deform in structure. The device comprises a portal crane main body, wherein an electric trolley of which the stroke is matched with the width of a trestle is arranged at the lower part of a fixed cross beam; the dynamic self-adaptive balance assembly adjusts load balance in real time through a rigid frame, a three-axis tilt angle sensor, a balancing weight and an electric push rod. The lifting appliance group adopts a servo motor to drive four lifting hooks to cooperatively work, and a laser positioning assembly is combined for precise positioning; the digital twinning cooperative control system integrates prediction, control logic and a pre-judgment type intervention module through an embedded industrial controller, analyzes data of an encoder and a pressure sensor in real time, predicts deformation and gravity center shift, and dynamically regulates and controls the hoisting speed, the transverse position of a trolley and the balance weight displacement. The device is suitable for high-precision rapid installation of the large-span steel structure trestle, and the construction safety and efficiency are improved.

The invention discloses a pile-beam integrated bridge girder erection machine which comprises a main beam, a front auxiliary supporting leg, a front supporting leg, a middle supporting leg, a rear supporting leg and a pile driving device, and is characterized in that the main beam comprises a left auxiliary main beam and a right auxiliary main beam which extend front and back, and a steel bar connecting frame is arranged on the front portion between the two auxiliary main beams for connection and fixation; supporting beams extending front and back are fixed to the left end and the right end of a bottom beam of each auxiliary main beam, and a top beam horizontally extending front and back is fixed to the top of each auxiliary main beam. A temporary supporting leg composed of a temporary connecting base, a temporary supporting leg barrel and a temporary supporting block which are installed at the front end of a main beam can support the front end of the main beam after the main beam moves forwards, stable supporting of the main beam is guaranteed, and components such as a front supporting leg and a middle supporting leg move forwards normally in the follow-up process; the left side and the right side of the supporting base are each provided with the two reverse rolling wheel sets, and the reverse rolling wheel sets are installed on the main beam, so that the stress dispersion effect on the main beam is better, and the stress of the main beam is more uniform.

The invention discloses a water conservancy pipeline lifting and transporting device, and belongs to the technical field of water conservancy projects. A water conservancy pipeline lifting and transporting device comprises a support provided with a movable sliding way, and further comprises a winch fixedly arranged on the support, and the winch is connected with a sliding block sliding in the movable sliding way through a traction rope; the hydraulic rod is fixedly connected with the sliding block, a mounting plate is connected to the bottom of the hydraulic rod, and hoisting mechanisms used for hoisting the pipeline body are arranged on the two sides of the mounting plate correspondingly; wherein the hoisting mechanism comprises a connecting seat fixedly connected with the mounting plate, and the connecting seat is provided with a self-clamping assembly and an anti-falling assembly matched with the self-clamping assembly; according to the pipeline lifting device, a pipeline body can be conveniently and automatically clamped and limited, tedious hooking by workers is not needed, the pipeline lifting and hoisting efficiency is improved, the pipeline body is limited through the anti-disengagement assembly, and the risk that the pipeline falls off in the lifting and transporting process is avoided.

The utility model provides a port container crane which comprises a fixed frame, a movable frame is arranged at the front end of the fixed frame, pulleys are mounted at the bottom of the movable frame, two groups of rolling seats are mounted at the top of the fixed frame, rolling shafts in the rolling seats are in transmission connection through shaft rods, and sliding blocks are driven by bidirectional electric push rods to slide along a transverse frame. The transverse distance between the hooks and the lifting rope is adjusted, the first inserting rod and the second inserting rod are moved along the interior of the sliding frame, and then the distance between the side faces of the hooks is adjusted by fixing the extending lengths of the first inserting rod and the second inserting rod through bolts. The container is lifted and hoisted through the winding seat, then the rotating frame rotates from the vertical state to the horizontal state, the movable frame moves outwards, the hoisting assembly and the container are driven to move outwards, the container is conveniently conveyed to a transfer vehicle, and then the hoisting efficiency of the container is improved.

The utility model discloses photovoltaic array semi-finished product installation equipment, which comprises a main vehicle, the main vehicle comprises a vertical supporting assembly, a transverse supporting assembly and a walking mechanism assembly, the transverse supporting assembly is borne on one side of the vertical supporting assembly in the vertical direction, and the walking mechanism assembly is arranged on the other side of the vertical supporting assembly in the vertical direction; the transverse supporting assemblies and the vertical supporting assemblies enclose and form an operation space. The trolley comprises a frame, the frame is connected to the transverse supporting assembly of the main trolley in a sliding mode and can be connected with a lifting appliance, the lifting appliance is configured to lift a photovoltaic array semi-finished product in the working space, and the photovoltaic array semi-finished product comprises a plurality of photovoltaic panels; and the micro-motion device is configured to drive the lifting appliance to move along the first direction and / or the second direction relative to the frame so as to adjust the position of the lifting appliance in the first direction and / or the second direction, so that the photovoltaic array semi-finished product is accurately butted and mounted, and the mounting operation efficiency and the mounting precision are improved.

The invention belongs to the technical field of transformer coil hoisting, and particularly relates to a hoisting device for transformer coil installation, which comprises a moving frame, an adjusting mechanism is installed on the moving frame, a clamping piece is arranged on the adjusting mechanism, and the clamping piece comprises an installation frame, a lifting frame, a first sliding plate, a first supporting arm, a second supporting arm and a lifting air cylinder. The lifting air cylinder is arranged on the adjusting mechanism and connected with the adjusting mechanism, the lifting frame is installed on the adjusting mechanism in a sliding mode, a piston rod of the lifting air cylinder is connected with the lifting frame, and the installation frame is arranged below the lifting frame and connected with the lifting frame. According to the transformer coil hoisting device, the transformer coil can be fixed from the interior of the transformer coil through the arrangement of the clamping piece, the transformer coil which is clamped and fixed can be hoisted under the action of the lifting air cylinder, workers do not need to carry the transformer coil again during discharging, and the hoisting efficiency and hoisting quality of the transformer coil through the transformer coil hoisting device are greatly improved.

The invention discloses a transferring and hoisting structure for engineering construction and a construction method of the transferring and hoisting structure, and relates to the technical field of engineering construction. The device comprises two groups of cross beams which are distributed front and back; the crown block assembly comprises a middle plate, a movable plate, a top plate, a mounting wheel and a driving wheel; the hoisting assembly comprises a fixed plate fixedly connected to the lower portion of the movable plate, a first winding roller rotationally connected to the fixed plate and a winding steel cable, the lower surface of the fixed plate is fixedly connected with three sets of mounting boxes in a circular array with the winding steel cable as the axis, and the interiors of the three sets of mounting boxes are rotationally connected with second winding rollers; the three second winding rollers are wound with stable steel cables, and the bottom ends of the stable steel cables are fixedly connected with connecting frames. According to the winding steel cable hoisting device, the three auxiliary steel cables distributed in a conical shape exert the pulling force effect in three directions on the winding steel cable, so that the hoisting stability of the winding steel cable is improved, meanwhile, the winding steel cable is conveniently, automatically and regularly smeared with lubricating oil, and mounting and dismounting are convenient.

The invention belongs to the technical field of hoisting, and particularly relates to a coil overturning hoisting device which comprises a top plate, vertical rods installed at the four corners of the top plate, a bottom plate arranged on the two sides of the center line of the top plate and moving wheels installed at the bottom of the bottom plate. A lifting air cylinder is arranged on the lifting plate, a lifting frame is installed on a piston rod of the lifting air cylinder, a clamping piece, a limiting piece and an overturning piece are arranged on the lifting frame, and the overturning piece comprises a first motor, a belt, a first belt wheel, a second belt wheel, a first threaded rod, a fixing rod and a push rod. According to the transformer coil overturning device, a transformer coil can be clamped under the action of the clamping piece, the purpose of lifting the transformer coil can be achieved by matching with the action of the lifting assembly, and the transformer coil which is clamped and lifted can be overturned under the action of the lifting air cylinder and the overturning piece, so that the overturning efficiency of the transformer coil is improved; and the labor intensity of workers is reduced.

The invention relates to a climbing type automatic building machine and a linkage building system thereof, and belongs to the technical field of engineering machinery. The climbing type automatic building machine comprises a pair of lower cross beams, a pair of upper cross beams, a pair of lower longitudinal beams, a pair of upper longitudinal beams, four sets of supporting stand column sets, a hoisting machine displacement unit and at least two sets of hoisting machines, the hoisting machine displacement unit is provided with two first lifting translation rails and a displacement longitudinal beam, the two ends of the displacement longitudinal beam are connected to the first lifting translation rails in a sliding mode and can be driven to be positioned and adjusted, the hoisting machine is connected to the displacement longitudinal beam in a hanging mode and can be driven to be positioned and adjusted, and the hoisting machine is provided with a clamping claw and used for hoisting, positioning and releasing assembly type parts used for building. According to the automatic building machine, under the condition that the height of a segmented building is reached, external engineering equipment can be omitted, automatic climbing is achieved through the self hoisting machine displacement unit and the supporting stand column set, and the whole building machine falls on a semi-finished building roof. Peripheral support is provided for periodic programming control of segmented building construction, and the efficiency of other building construction operations can be improved.

The invention provides a hoisting method of a flare tower. The hoisting method comprises the following steps: calculating the total weight and the gravity center position of a flare tower assembly; according to the requirements of the lifting height and the preset inclination angle, a balance weight piece and a main lifting lug are additionally arranged on the flare tower, so that the included angle between the horizontal plane and the connecting line between the main lifting lug of the lifted flare tower and the gravity center of the flare tower assembly is within the preset inclination angle range; welding two connecting pieces and a positioning rod at the bottom of the flare tower; hoisting the flare tower in a horizontal mode to enable the flare tower to be separated from the supporting surface; inclining the flare tower to enable the included angle between the center line of the flare tower and the horizontal plane to be a preset inclination angle; the flare tower is lifted to a deck, and a positioning rod at the bottom of the flare tower gradually gets close to a limiting device arranged on the deck; slowly moving the flare tower until the positioning rod enters the limiting device so as to limit the rotation of the positioning rod; and rotating the flare tower to enable the flare tower to vertically stand on the deck, and welding the base of the flare tower and the deck.

The invention relates to the technical field of reinforcing steel bar binding hanging brackets and discloses a reinforcing steel bar binding hanging bracket and a using method thereof.The reinforcing steel bar binding hanging bracket comprises a movable support and a cross beam, the cross beam is arranged at the top of the movable support and fixedly connected with the movable support, and the reinforcing steel bar binding hanging bracket further comprises a hoisting device arranged on the cross beam and used for hoisting a reinforcing steel bar cage; the top of the hoisting device is fixedly connected with the cross beam; the fixing mechanism is arranged at the central position of the cross beam and used for fixing the hoisting device, the top of the fixing mechanism is fixedly connected with the cross beam, the hoisting device comprises an upper fixing seat, the upper fixing seat is arranged at the central position of the top of the cross beam, and the top of the upper fixing seat is fixedly connected with a double-shaft motor. According to the reinforcing steel bar binding hanging bracket and the using method thereof, different positions of a reinforcing steel bar cage can be grabbed respectively, so that the reinforcing steel bar cage is more stable when being hoisted conveniently, and the reinforcing steel bar cage is not prone to shaking greatly in the moving process.

The utility model relates to a multifunctional combined type gantry lifting system which comprises a combined type lifting tower and a climbing type hydraulic jacking device. The combined lifting tower is composed of four stand columns, two longitudinal lifting beams, a plurality of transverse lifting beams, a lifting appliance, a longitudinal supporting structure and a transverse supporting structure. The climbing type hydraulic jacking device is composed of a hydraulic cylinder, a lower telescopic locking mechanism and an upper telescopic locking mechanism. According to the utility model, the main body structure assembled in a modularized manner is matched with the climbing type hydraulic jacking device, so that the hoisting requirements of equipment with different specifications can be met; the overall structure of the system is compact, the required site space is small when large equipment is hoisted, assembly, disassembly and transportation are convenient, the turnover utilization rate of the equipment is greatly improved, and the construction cost is reduced; and by matching with a horizontal sliding mechanism, vertical lifting and horizontal transverse moving of large equipment can be achieved, use is convenient and flexible, and applicability is high.

The invention discloses a thermal power plant equipment maintenance device, and belongs to the technical field of thermal power plant maintenance. The winding device comprises a portal frame, a plurality of moving assemblies are movably arranged on the portal frame, a first winding assembly is arranged on the lower portion of each moving assembly, a second winding assembly is arranged on the top of each moving assembly, and position adjusting assemblies are fixedly arranged on the outer walls of the two sides of each moving assembly correspondingly; first electric telescopic columns are rotationally arranged on the outer side walls of the two position adjusting assemblies correspondingly, the output tail ends of the two first electric telescopic columns are fixedly connected with scratch-proof assemblies correspondingly, steering assemblies are fixedly arranged on the top faces of the two position adjusting assemblies correspondingly, and telescopic assemblies are arranged on the outer side walls of the first electric telescopic columns; the first electric telescopic column and the scratch-proof assembly are matched with an anti-swing system on maintenance equipment, the effect of restraining the thermal power plant equipment from swinging is better, abrasion of a steel wire rope can be reduced, and the service life of the equipment can be prolonged.

The invention discloses an anti-swing container portal crane lifting appliance and method, and relates to the technical field of lifting, the anti-swing container portal crane lifting appliance comprises two ground rails and supports slidably mounted on the ground rails, and further comprises a top truss fixedly mounted between the two supports, and a winch is slidably mounted on the top truss; and a driving unit for driving the winch to move is mounted on the top truss. The anti-swing device has the advantages that when a container is hoisted, the steel wire rope is limited through the first anti-swing assembly, the chain hook is limited through the second anti-swing assembly, so that the deflection amplitude of the container is reduced, the stability of the container in the hoisting process is improved, and the second anti-swing assembly controls the anti-swing hardness degree through the inflation amount; the counter-acting force generated by swinging of the container can be effectively counteracted, and the service life of the second anti-swing assembly can be prolonged.

The invention belongs to the technical field of structural strength tests, and particularly relates to a hoisting and loading fixture self-weight balance integrated fixture which comprises a loading actuator, a screw assembly, an outer support, a loading fixture, a connecting rod and an adjusting mechanism. The adjusting mechanism comprises a connecting assembly, a left side balance weight and a right side balance weight. Levers are always in a horizontal state by independently adjusting the balance force of the levers on the two sides of the actuator. The problems that due to the fact that an actuator loading clamp is unbalanced, a lever freely falls, rotates and is stacked, and an actuator is stressed, rotates and deviates, an actuator sensor is subjected to longitudinal and transverse force through composite stacking rotation, changes are complex, uncontrolled actions are prone to being caused, and danger is generated are avoided. And meanwhile, the balancing device belongs to a loading clamp of the loading channel, is integrated with the loading clamp and can synchronously move along with the loading channel, so that the movement change of the loading channel of a large test with hundreds of loading channels is simplified.

An apparatus for assembling a structure, such as a wind turbine or jacket, is disclosed. The apparatus comprises a first erectable structure comprising a first plurality of legs connected by a first connection arrangement. The apparatus comprises a second erectable structure comprising a second plurality of legs connected by a second connection arrangement. The apparatus comprises an elongated structure extending between the first and second erectable structures. The apparatus comprises a lifting arrangement configurable to move a load along the elongated structure between the first and second erectable structures. Methods of deploying the apparatus for assembling a structure and methods of assembling a structure are also disclosed.

The utility model relates to a storage battery hoisting mechanism. According to the storage battery hoisting mechanism, a hoisting device is supported through two supporting devices. According to the storage battery hoisting mechanism, on one hand, the supports and the hoisting arm are configured to be in sliding connection, on the other hand, through the arrangement of the lifting assembly, the height of the hoisting arm can be adjusted in a lifting mode, and therefore the interval between the two supports can be adjusted according to the space size of a work site and the actual working condition. The storage battery hoisting mechanism is convenient to assemble and can be quickly put into hoisting use, so that the hoisting working efficiency is improved; in addition, the two brackets can drive the suspension arm to move, so that the complexity of repeatedly disassembling and assembling hoisting equipment is avoided; and through the arrangement of the lifting assembly, all the supporting devices can conduct lifting adjustment on the lifting arm from different positions, the levelness of the lifting arm can be directly adjusted under the condition that the storage battery lifting mechanism is assembled, and the lifting operation convenience is effectively improved.

The invention relates to the technical field of hoisting equipment, and particularly discloses a kiloton assembly type module hoisting machine which comprises a main beam, supporting legs are fixedly installed at the two ends of the main beam, a running mechanism is slidably connected to the upper surface of the main beam, a winding drum is arranged on the outer surface of the running mechanism, and a steel wire rope is wound on the outer surface of the winding drum. The swinging amplitude of the assembly type module during hoisting is reduced through the buffer assembly, stable multi-point supporting can be conducted on the top end of the assembly type module through the hoisting assembly, the uniformity of the supporting force is guaranteed, displacement of the assembly type module can be found in time, the module can be rapidly adjusted, and the assembly type module can be conveniently and rapidly hoisted. And in addition, when the assembly type module collides or makes contact with other equipment, the guide buffering effect can be achieved, meanwhile, the clamping force on the assembly type module can be increased in the collision process, and the stability of the module in the collision process is improved.

The invention discloses water supply pipeline construction equipment and a construction method thereof, and belongs to the technical field of municipal equipment construction.The water supply pipeline construction equipment is characterized by comprising a supporting frame, the bottom of the supporting frame is connected with a walking mechanism used for driving the supporting frame to move, the supporting frame is connected with a horizontal moving assembly, and the horizontal moving assembly is connected with a vertical moving assembly; the horizontal moving assembly is connected with a butt joint device, the butt joint device comprises a conveying assembly and a clamping assembly, the conveying assembly is connected with the horizontal moving assembly, the clamping assembly is connected with the conveying assembly, the conveying assembly is used for driving the clamping assembly to be close to or away from an installed pipeline, and the horizontal moving assembly is connected with a first positioning device; and the first positioning device is used for positioning the installed pipeline in the horizontal direction, the first positioning device is connected with a second positioning device, the second positioning device is used for positioning the installed pipeline in the vertical direction, the second positioning device is connected with the vertical moving assembly, and the effect of improving the pipeline installation efficiency is achieved.

The invention relates to the technical field of hoisting, in particular to hoisting equipment for intelligent constructional engineering, a lifting electric cylinder is fixedly connected to the top of a balance supporting plate, mounting boxes are fixedly connected to the top of the lifting electric cylinder, a fixed top box is fixedly connected between the two mounting boxes, and a mounting top plate is fixedly connected to the bottom of the fixed top box; a fixing side plate is fixedly connected to the bottom of the mounting top plate, a fixing rotating shaft is rotatably connected to the bottom of the fixing side plate, connecting plates are rotatably connected to the two ends of the fixing rotating shaft, a hollow groove plate is fixedly connected to one side of the fixing side plate, and an adjusting sliding shaft is slidably clamped to the inner side of the hollow groove plate. The lifting device is simple in structure and particularly suitable for indoor narrow space and high-precision working environment, the lifting efficiency and the working safety can be remarkably improved, intelligent and automatic operation of the lifting device is achieved by adopting an advanced mechanical structure and a control technology, and manual intervention is reduced.

The utility model provides a stable lifting appliance for an automobile welding production line. The stable lifting appliance for the automobile welding production line comprises two bases and a lifting device, the supporting frame is fixedly mounted at the tops of the two bases; the threaded rod is rotationally mounted on the supporting frame; the motor box is fixedly installed on the supporting frame, a servo motor is installed in the motor box, and an output shaft of the servo motor is fixedly connected with the threaded rod; and the two sliding blocks are arranged on the threaded rod in a threaded and sleeving manner. The stable lifting appliance for the automobile welding production line, provided by the utility model, has the advantages that the stability is relatively high due to relatively small shaking generated when automobile accessories are lifted and put down, and meanwhile, the flexibility is relatively high and the transfer is convenient.

The invention discloses a connecting device facilitating rapid butt joint of heat supply pipes, and relates to the technical field of heat supply pipelines, the connecting device comprises a first outer frame and a second outer frame, a clamping part is arranged at the upper end of a lifting plate, adjusting parts are arranged in supporting legs, first electric push rods are symmetrically arranged on one side of the first outer frame, and a second electric push rod is symmetrically arranged on the other side of the first outer frame. Sliding rods are arranged in sliding holes in the upper ends of the first outer frame and the second outer frame in a sliding mode, one end of each sliding rod is fixedly connected with one end of a first traction rope, and a hoisting mechanism is arranged at the upper ends of the two connecting discs. According to the heat supply pipe body clamping and fixing device, the pressing frame and the two adjusting sliding rods are arranged, so that a heat supply pipe body with any diameter can be conveniently clamped and fixed, the heat supply pipe body can be clamped and fixed in a narrow tunnel by arranging a limiting mechanism, and when the heat supply pipe body is clamped and fixed through the pressing frame, a clinging wheel and a rotating block, the heat supply pipe body can be clamped and fixed through the pressing frame, the clinging wheel and the rotating block. And the heat supply pipe body can be lifted and fixed without the help of other equipment.

The invention belongs to the technical field of crane equipment, and discloses a cable crane for bridge safety construction, which is technically characterized by comprising a cross beam, support plates are fixedly mounted at two ends of the cross beam respectively, a bearing block is slidably mounted on the surface of the cross beam, and a crane is fixedly mounted on the surface of the bearing block. The output end of the crane is connected with a cable, a first protection mechanism matched with the cable is arranged in the bearing block and comprises a protection ring, a first positioning assembly and a first adjusting assembly, and a second protection mechanism is arranged on the side wall of the supporting plate. The second protection mechanism comprises a damping spring, a second positioning assembly and a second adjusting assembly, and the problems that an existing cable crane is lack of necessary protection measures, the hoisted goods can drive the cable to swing towards the periphery under the inertia effect, and the stability is poor when the cable hoists the goods are solved.

The utility model relates to the technical field of cranes, in particular to an anti-rollover device for a crane, which comprises a frame, four mounting seats are mounted on the frame, bearing rods are mounted on the mounting seats, hydraulic telescopic rods are mounted at the bottoms of the bearing rods, anchoring devices are arranged on the hydraulic telescopic rods, each anchoring device comprises a mounting ring, and the mounting rings are mounted on the mounting seats. The mounting ring is fixedly mounted on a fixed section of a hydraulic telescopic rod, a telescopic section of the hydraulic telescopic rod is connected with a supporting seat, and four drill rods are rotatably mounted on the inner wall of the supporting seat. Through the arrangement of the anchoring device, the supporting seats can support the frame, the four drill rods are drilled into the ground to anchor the supporting seats, when the frame inclines laterally, the four supporting seats can keep making contact with the ground, the supporting seat on one side applies supporting force to the frame, and the supporting seat on the other side applies pulling force to the frame. And rollover of the frame is avoided.

The invention relates to a double-hook synchronism monitoring system and method for an offshore platform, and the system comprises a hoisting platform which is provided with a crane, the crane is provided with a suspension arm, the suspension arm is provided with a plurality of hoisting mechanisms, each hoisting mechanism is provided with a hoisting hook, and the hoisting platform is provided with a pile leg; the RTK measuring system is installed on the lifting platform, and the RTK measuring system is used for measuring the elevation dynamic positions of the multiple lifting hooks in real time; and the platform control system is in signal connection with the RTK measurement system, and the platform control system is used for controlling the hoisting mechanism according to the elevation dynamic position of the lifting hook obtained by the RTK measurement system, so that the elevation difference between different lifting hooks is within a limited threshold value. The lifting platform is stably fixed to the required operation position through the pile legs, so that the lifting platform forms a stable platform; and the RTK measuring system can be used for accurately measuring the elevation dynamic positions of a plurality of lifting hooks, so that the double-hook high-precision synchronous lifting operation is realized.

A building material lifting device belongs to the technical field of building machinery and comprises a support frame body and a distribution trolley. The supporting frame body comprises two counter weight bases arranged oppositely, supporting columns fixedly arranged at the front end and the rear end of the upper surface of each counter weight base in the longitudinal direction, longitudinal beams connected between the tops of the two supporting columns on the same side, a cross beam connected between the two longitudinal beams and lifting equipment connected to the bottom of the cross beam through a linear driving mechanism. The two ends of the cross beam extend out of the outer sides of the longitudinal beams on the same side, an engaged type pushing chain system is further fixedly arranged on the inner surface of the balance weight base and comprises a box fixedly connected with the inner surface of the balance weight base, an outlet is formed in one end of the box, and a pushing chain of the engaged type pushing chain system extends forwards from the outlet in the horizontal direction. And the end parts of the two pushing chains are jointly connected with a distribution trolley. According to the invention, automatic distribution of building materials can be realized, the construction efficiency and the management level are improved, and a technical foundation is laid for automatic development of building construction.

The invention relates to the technical field of pipeline hoisting, in particular to intelligent large pipeline hoisting equipment and method.The intelligent large pipeline hoisting equipment comprises a first portal frame, a track beam and a second portal frame, and the track beam is arranged above the first portal frame and the second portal frame; a walking trolley moving in the length direction of the track beam is arranged on the track beam and used for hoisting and transporting a pipeline. The first portal frame is used for achieving butt joint of a loaded pipeline and a to-be-loaded pipeline, and the track beam and the second portal frame are matched to achieve transportation of the to-be-loaded pipeline to the first portal frame. Different from an existing manual pipeline butt joint mode, a pipeline hoisting point is arranged at the top of the slope, the pipeline hoisting, transporting and butt joint process is controlled through the portal frame control system, operation is completed through automatic control, labor is reduced, the labor cost is reduced, and the construction efficiency is improved.

The invention discloses a synchronous jacking type gantry crane device which solves the problem that an existing TBM (Tunnel Boring Machine) cannot be provided with a gantry crane or the hoisting cost is too high in limited space environments such as mine roadways, underground engineering, low or gantry crane-free plants and the like. The synchronous jacking type gantry crane device comprises a split cushion box track, a walking trolley and an electric drive type door-shaped main frame, the electric drive type door-shaped main frame comprises two sets of electric lifting executing mechanisms and a bridge type double beam connected to the two sets of electric lifting executing mechanisms, a crown block lifting mechanism capable of moving along the bridge type double beam is arranged on the bridge type double beam, and the electric lifting executing mechanisms move along the cushion box track through the walking trolley. The modular design is adopted, compared with a traditional gantry crane, the modular gantry crane is simple in structure, transfer operation can be rapidly completed in a narrow small underground roadway or a small space, meanwhile, rapid assembly and disassembly can be achieved, an auxiliary crane is not needed in the process, and efficiency is greatly improved; and the synchronous jacking function ensures the stability and accuracy of jacking.

The invention relates to the technical field of container wharf mechanical equipment, and discloses a container crane heightening device which is characterized in that two lower cross beams are arranged at the two ends of the bottom of a container crane, four walking trolleys are arranged at the four corners of the lower portions of the lower cross beams, and an anchoring mechanism is arranged below the middle position of each lower cross beam; the heightening device comprises four jacking devices, a plurality of flange jacking blocks and anchoring lengthening blocks, the jacking devices are arranged on the inner sides of the four walking trolleys below the lower cross beam, the four jacking devices jack the lower cross beam synchronously, the flange jacking blocks are fixed to the four walking trolleys and the lower cross beam, and the anchoring lengthening blocks are fixed to the flange jacking blocks. And an anchoring lengthening block is fixedly arranged on the anchoring mechanism. The invention further discloses a heightening method. According to the method, the cart part of the crane is heightened, the period is short, the cost is low, the construction safety is good, and the method is particularly suitable for occasions with the heightened height being 3 m or below.