43 results about "Beam walking" patented technology

The invention provides a construction method for hoisting a stiffening girder of a suspension bridge by adopting girdle-carrying traveling of a deck erection gantry. Firstly, a side span girder segment is mounted through cooperation of reverse pulling systems and the deck erection gantry, is fixed by a prearranged prestress cable-stayed beam and is taken as a hoisting platform for hoisting of other girder segments; a girder field is arranged on one bank, hoisting of all the girder segments is realized through girdle-carrying traveling of the single deck erection gantry, little equipment investment is consumed, the process is simple, the construction efficiency is high, and the cost is low.

The invention discloses an axial angle adjusting device of an end beam walking wheel, which is applied to circular storage homogenization stockyards in such fields as papermaking, water conservancy, metallurgy, electric power, port docks, coals, building materials and chemical engineering. The device comprises wheels, driving units, a left wheel frame, a bogie frame, a right wheel frame, pin shafts, connecting bolts and an adjusting device combination, wherein the bogie frame is connected with the left wheel frame and the right wheel frame by hinge shafts; the bogie frame is connected with the left wheel frame and the right wheel frame through the pin shafts in the hinged points by the connecting bolts; the wheels are mounted on the driving units, and are connected with the left wheel frame and the right wheel frame; the two sets of wheels and the two sets of driving units are respectively connected with the left wheel frame and the right wheel frame; and one side of the adjusting device combination is connected with the left wheel frame and the right wheel frame. The device is convenient to operate, so that the scene installation and debugging period is largely shortened; an end beam body is wholly welded in a factory, so that the strength is enhanced, and the scene welding workload is reduced; and the structural part quality is controlled.

The invention discloses a guide beam walking type bridge detection and rescue work vehicle which is composed of a guide beam, a motor vehicle, a detection vehicle and a rescue vehicle. The guide beam walking type bridge detection and rescue work vehicle works under bridges. The detection vehicle and the rescue vehicle are respectively of a multi-level truss structure, and can be contracted and rotationally folded under the action of a hydrocylinder, and a lifting device is arranged inside the truss of the rescue vehicle. The detection vehicle and the rescue vehicle on the guide beam are completely contracted and folded when passing through a bridge pier, and the maximum cross sectional dimension of the detection vehicle and the rescue vehicle is within 1.1m*1.1m. On the working condition of bridge detection, the rescue vehicle is completely contracted and folded, the detection vehicle is partly unfolded, and a work platform used for bridge detection is provided. On the working condition of rescue, the detection vehicle and the rescue vehicle are completely unfolded, a door frame structure is connected to the two sides of the bridge pier in an overlapped mode, and at the moment, a winch on the rescue vehicle is located in the middle of the door frame and can conduct lifting rescue operation. The guide beam walking type bridge detection and rescue work vehicle has the functions of loading, bridge detection and lifting rescue, automatically provides power, has the capability of passing through the bridge pier, is wide in detection range, can be applied to daily maintenance work of the bridge conveniently and effectively, and can also be used as a device for railway accident emergency rescue.

The invention relates to a linear separated guide beam template table, wherein its annular linear beam is connected to the inner side of template; the annular linear beam and the table support top template support screw disc, side template support lead screw and bottom template support lead screw between them; the table via walking device is supported on the table walking steel track above the bottom template; one table and two bottom templates are alternatively matched; the bottom template is fixed with guide beam walking steel track which supports the detachable support guide beam; the bottom of detachable support guide beam has walking wheel, while its top is detachably connected via adjustable base and table; the end of detachable support guide beam via the end base of guide beam is supported on the support concrete structure, while its one end is connected to the drawing system; another bottom template is at the concrete pouring position. And it can be used on the template table machine whose section diameter is 6-3m, with large operation space and lower cost.

The invention discloses a formwork system of a bridge cantilever sidewalk slab. The formwork system comprises an arched combination internal mold and a cantilever combination mold, wherein a cantilever combination mold tensioning device is arranged externally in the longitudinal direction of the cantilever combination mold, a cantilever combination mold suspending device is arranged on the upper side of the cantilever combination mold, a walking combination is arranged between one end of a cross beam and one transverse end of a T-shaped beam combination, suspension rods are arranged in the transverse direction of the T-shaped beam combination, every three suspension rods is set as one row, and multiple rows of suspension rods are arranged in a matrix manner in the longitudinal direction of the T-shaped beam combination. A construction method comprises steps as follows: A, mold installation; B, mold dismounting; C, cross beam walking. The device is compact in structure, the method is simple and easy, two ends of the cross beam are balanced on the basis of the lever principle, safety in construction of concrete pouring of the bridge cantilever sidewalk slab is guaranteed, and the reliability of connection between the bridge cantilever sidewalk slab and the T-shaped beam combination is improved. Formwork joints cannot be staggered, so that the straight degree of the bridge cantilever sidewalk slab in the length direction is increased, and the construction cost is reduced.

The invention discloses a bending retractable cantilever system of a lower guide girder crawler-type bridge erecting machine. The bending retractable cantilever system comprises a main girder, cantilevers, a cantilever beam, positioning pins, bridge erecting machine supports, a connecting rod, a connecting board and a walking driver. The main girder and the cantilevers are connected together through the connecting rod and the connecting board or a connecting sleeve; the positioning pins are arranged on the lower portion of the main girder, the cantilever beam is disposed on the cantilevers; the bridge erecting machine supports are arranged under the main girder and drivingly connected with the walking motor. According to the lower guide girder crawler-type bridge erecting machine with the bending retractable cantilever system, the retraction process of the cantilever beam does not require long-distance upward or outward bending of the cantilever beam and just needs to integrally retract backwards; during the retraction process of the cantilever beam, the auxiliary supports can support the cantilever beam to move towards the main girder, so that backward retraction of the cantilever beam during a large-cantilever process can be avoided and the security coefficient is relatively high.

The invention discloses a travelling support for a flexible turnout beam section of a straddle-type monorail traffic track, which comprises a travelling side and a flexible side support board, wherein the flexible side support board comprises two guide boards which are positioned at the upper part and two stabilization boards which are positioned at the lower part. The travelling support which can be forcefully deformed flexibly is adopted to form the flexible turnout beam section and a flexible turnout beam structure, when a track is needed to be transferred and joined, flexible deformation is generated due to the drive of the external force, both the guide side and the stabilization side of the flexible turnout beam section are in smooth transition, fold lines are eliminated, the travelling of light rails is benefited; and moreover, compared with the existing turnout structure, the travelling support is more greatly simplified, the manufacturing cost is lowered, the manufacturing period is shortened, the service life is longer, the use and maintenance costs are saved, the comfortability and safety of the light rail can be ensured, the vehicle travelling noise is lowered, and travelling support has better environmental protection property.

The invention relates to a double-drive cart, which comprises an RTG front beam, an RTG rear beam, a balance beam providing driving force when walking, a balance beam providing supporting force when walking, and a walking driving mechanism. The balance beam that provides driving force when walking and the balance beam that provides support force when walking are located at both ends of the front beam of the RTG, and the balance beam that provides driving force when walking and the balance beam that provides support force when walking are located on the RTG At both ends of the rear beam, two balance beams that provide driving force during walking are installed along one diagonal direction, and two balance beams that provide supporting force during walking are installed along the other diagonal, and the two diagonal lines cross each other. Two walking drive mechanisms are respectively located on the RTG front beam and the RTG rear beam. The advantages of the present invention are as follows: under the premise of satisfying the normal use function, four sets of driving mechanisms are reduced to two sets, which saves manufacturing cost, reduces installation difficulty and later maintenance cost.

The invention relates to a movable formwork for single rectangular top closed type water conservancy aqueduct construction. The movable formwork comprises an outer beam system, an inner beam system and a hoisting system, wherein the outer beam system comprises an outer beam, an outer rib, an outer formwork, a No.1 landing leg, a No.2 landing leg, a No.3A landing leg, a No.3B landing leg and No.4 landing leg; the No.2 landing leg, the No.3A landing leg and the No.3B landing leg are matched with each other so as to move the outer formwork under the driving of a girder; the inner beam system comprises an inner beam, an inner beam holding support leg, an inner beam walking support leg and an inner formwork; the inner beam has a single girder truss structure; the inner formwork is driven to move by the inner beam walking support leg; the hoisting system comprises a hauling mechanism and a hoisting mechanism; the hoisting system can drive the landing leg to move to an effective construction position. According to the invention, in the manner of striding the outer beam for a half of length, positioning the No.3B landing leg on a groove surface while pouring, driving the outer beam to walk by the hydraulic system and punching twice, the punching manner is more stable and safe and the structure form and construction mode are different from those of the previous water conservancy aqueduct machine.

The invention provides a walking type jacking construction method and device for large-span reinforced concrete combined beams. The walking type jacking construction method comprises the following steps that temporary piers are arranged between all main piers of a bridge girder; a jacking device and two bearing beams are installed on each temporary pier, wherein each jacking device is arranged between the corresponding two bearing beams; the reinforced concrete combined beams are arranged on the bearing beams of the temporary piers; the jacking devices carry out upward jacking in place and make contact with the bottoms of the reinforced concrete combined beams; the jacking devices continue to carry out upward jacking, jack the reinforced concrete combined beams and break away from the bearing beams; the jacking devices are pushed forward and drive the reinforced concrete combined beams to move forward by a set stroke; the jacking devices descend so that the reinforced concrete combined beams can be arranged on the bearing beams of the temporary piers in a supporting mode again; the jacking devices continue to descend to the initial positions and are pushed backwards to the initial positions, so that a jacking stroke is finished; the above steps are conducted repeatedly until construction of the whole bridge girder is completed. According to the walking type jacking construction method and device for the large-span reinforced concrete combined beams, manpower, material resources and financial resources are saved on the premise of guaranteeing the construction period; meanwhile, the walking type jacking construction method and device for the large-span reinforced concrete combined beams have the advantages that construction and operation are convenient, safety and reliability are realized, efficiency is high, the construction period is short, and the comprehensive cost is low.