30results about How to "Reduced lifting requirements" patented technology

The invention relates to a lower portion laminate prefabricated hybrid tower frame of a wind power generator. A prestress concrete tower is arranged on the lower portion of the tower frame, and a steel tower drum is arranged on the upper portion of the tower frame. Embedded flange parts are embedded in the inner walls of prefabricated laminate units and edges of longitudinal joints, and every two adjacent units are connected with high-strength bolts. An annular groove is embedded in the outer wall of each prefabricated laminate unit every a certain distance, annular prestress cables are arranged in the annular grooves, and the annular grooves are filled with filling materials. After the annular prestress cables are tensioned, the laminate units are connected into a whole through cooperation of the annular prestress cables and the high-strength bolts on the inner walls. A lower portion laminate prefabricated prestress concrete section is temporarily fixed through a tool truss and adjusted when being installed. The tool truss is composed of a stand column and web members. A flange plate is arranged at the bottom of the tool truss and corresponds to a foundation embedded part embedment adjusting means. A platform is arranged on the top of the tool truss and serves as an operating platform in the installation stage. According to the lower portion laminate prefabricated hybrid tower frame of the wind power generator, a reinforced concrete structure with high rigidity is fully utilized for resisting high loads on the lower portion, and the prestress concrete structure has the characteristics of long anti-fatigue life, high damping ratio, great durability and the like.

The invention relates to a wall attachment crane, especially a self-elevating wall attachment crane, comprising attachment self-elevating mechanism and hoisting equipment, where extension of hydraulic oil cylinder of the attachment self-elevating mechanism makes wall attachment crane frame and runner frame slide on the outer wall of a kernel cylinder in turn, so as to support attachment in turn of wall attachment crane frame anchor bolt and runner frame anchor bolt on the outer wall of the kernel cylinder, thus meeting the requirements of self-elevating on the outer wall of the kernel cylinder. And it has functions of self-elevating attached to the outer wall of the kernel cylinder according to the given requirements and performing hoisting operation; and it largely improves economy; it adopts a combined structure, simplifies assembly and disassembly and the wall attachment crane frame can be equipped with the hoisting equipment and other matching construction equipment.

The invention discloses automatic butt joint and grinding-in tooling equipment of a large barrel, which is mainly composed of a barrel rolling rack and a barrel moving rack, wherein the axis of two rows of transmission shafts on the barrel rolling rack and the axis of two rows of transmission shafts on the barrel moving rack are on the same horizontal plane, and the axis of two rows of transmission shafts of two types of racks at the same side is collinear so as to ensure that the butt joint barrels are on the same axis; the barrel on the moving rack carries out linear displacement under the transmission action of a moving rack lead screw so as to realize automatic butt joint; under the axial pressure maintained by spring extension, circumference grinding is carried out to enhance the butt joint precision of two barrels; the transmission of the moving rack lead screw drives the butt joint barrel to carry out the linear displacement; and the butt join barrel on the rolling rack carriesout circumference rolling to form an opposite spiral butt join-grinding movement with the linear displacement barrel on the moving rack. The tooling equipment of the invention improves equipment service life, reduces energy consumption, improves precision, has simple structure, strong reliability, high butt join precision and speed, time and labor saving, safety and high efficiency and lowers equipment investment.

The invention discloses a reaction frame and a method for adopting the reaction frame for performing static testing. The reaction frame comprises a supporting unit, a loading unit and a load uniform unit, wherein the supporting unit comprises at least two supporting columns, and the loading unit is arranged on the supporting unit and applies loads to a piece to be loaded; the load uniform unit isarranged between the loading unit and the piece to be loaded and used for uniforming the loads applied to the piece to be loaded by the loading unit; the supporting unit can rotate around the axis ofat least one supporting column. By arranging the load uniform unit, the phenomenon that stress concentration is caused due to the fact that the loads are applied to the piece to be loaded by the loading unit can be effectively avoided; meanwhile, the supporting unit is rotatable, the supporting unit is rotated so that a testing region below an electric hoist hook is not blocked, the piece to be loaded is convenient to transport, and the hoisting requirement for the piece to be loaded is lowered.

The invention discloses a method for rapidly installing a steelmaking diffusing tower in a narrow area. The method includes the steps of dividing a main pipe into three branch pipes, arranging an operating platform at the upper end of each branch pipe, and independently installing the three branch pipes. The method has the advantages that the main pipe of the diffusion tower is divided into the three branch pipes to be respectively lifted, the lifting requirement for a crane is reduced, the length of the main pipe is shortened in a converted mode, and therefore the diffusion tower can be installed in the narrow area; the operating platforms are arranged below the connecting positions of the three branches, and therefore convenience is brought to welding fixation between the branch pipes.

The invention discloses hoisting equipment which comprises a supporting frame, a hoisting device, a grabbing device and a moving device. The supporting frame is a supporting main body of the hoisting equipment. The hoisting device is mounted on the upper portion of the supporting frame and acts on a hoisting material, so that the hoisting material is smoothly hoisted to a required height. The grabbing device is located on the lower portion of the supporting frame to adapt to the effect of limiting of the high hoisting material, and the situation that swinging of the hoisting material during hoisting affects the hoisting effect can be prevented. The moving device is also located on the lower portion of the supporting frame to cooperate with the grabbing device, so that the purpose of upward moving of the grabbing device is achieved. Through the hoisting equipment provided by the invention, specific functions can be achieved. The hoisting equipment provided by the invention has the functions of adapting to the high hoisting material and smoothly hoisting the hoisting material to a certain height through cooperation of the hoisting device and the grabbing device.

The invention relates to an externally-hung wallboard manufactured by compounding light steel keels and wood wool slabs, and a manufacturing method of the externally-hung wallboard. The externally-hung wallboard comprises a light steel keel skeleton, the wood wool slabs and foam concrete, wherein the light steel keel skeleton has a fence structure formed by a plurality of vertical keels and horizontal through keels; the wood wool slabs are respectively connected with the two sides of the surface of the light steel keel skeleton, so that a wallboard structure is formed; the parts between the light steel keel skeleton and the wood wool slabs are filled with the foam concrete, and the externally-hung wallboard is formed after the foam concrete is solidified. Compared with the prior art, the externally-hung wallboard has the advantages that the wallboard is low in manufacturing cost and environmentally-friendly in materials; the wallboard has excellent functions of heat preservation, heat insulation and noise absorption; the externally-hung wallboard is light in structure, high in rigidity, firm and durable; the externally-hung wallboard is simple in construction and low in hoisting requirement; the surface of the wallboard has a waterproof function and is corrosion-resistant.

The invention discloses a method for rapidly installing a steelmaking diffusing tower in a narrow area. The method includes the steps of dividing a main pipe into three branch pipes, arranging an operating platform at the upper end of each branch pipe, and independently installing the three branch pipes. The method has the advantages that the main pipe of the diffusion tower is divided into the three branch pipes to be respectively lifted, the lifting requirement for a crane is reduced, the length of the main pipe is shortened in a converted mode, and therefore the diffusion tower can be installed in the narrow area; the operating platforms are arranged below the connecting positions of the three branches, and therefore convenience is brought to welding fixation between the branch pipes.

The invention discloses a combined weighing rod lifting beam device, comprising two weighing rod lifting beams which separately have a flat box-shaped structure on the whole; each weighing rod liftingbeam comprises an equal width section and a gradual contraction section, wherein the upper end of each equal width section is provided with a lifting lug; the tail end of each weighing rod lifting beam is provided with a counterweight connection hole. The combined weighing rod lifting beam device solves the problem that a crane cannot lift from the upper part of a structure of an object to be lifted due to the insufficient lifting height; after the combined weighing rod lifting beam device is connected and fixed with the object to be lifted, the height required for lifting is lowered, and thelifting requirements are reduced. When the crane cannot lift from the upper part of the object to be lifted due to the insufficient lifting height, a main beam is formed by using a connecting beam torealize bolted fixation between the two weighing rod lifting beams, and the main beam and two side beams are connected and fixed with three apex structures of the triangular section of the object tobe lifted. After the main beam is disassembled, the two weighing rod lifting beams can be independently used for lifting a columnar structure with a circular or rectangular cross section.

The invention discloses a novel multi-chamber continuous UHPC box girder bridge superstructure construction method, including UHPC prefabricated longitudinal block beam, UHPC prefabricated longitudinal block side beam, cast-in-place UHPC joint, prefabricated steel connector, shear force Nails, pre-embedded steel backing plates, pre-embedded bolts, temporary supports, permanent supports, stiffened beams, cast-in-place UHPC bottom plates, cast-in-place UHPC webs, cast-in-place UHPC roofs and thickened areas, simply supported system girders, stiffeners Beam floor, main beam web. The beneficial effect of the present invention is: the multi-chamber UHPC box girder is prefabricated in longitudinal blocks, assembled and connected on site through special connectors, and several multi-chamber simply supported box girders are first formed, and then passed on the pier by special The pouring method makes the box girder structure change from simply supported to continuous. The structural quality is excellent, the splicing is reliable, the mechanical performance and durability are good, the construction is convenient, the construction period can be greatly shortened, and the space under the bridge can be saved, which is very suitable for the needs of construction and development.

The invention discloses automatic butt joint and grinding-in tooling equipment of a large barrel, which is mainly composed of a barrel rolling rack and a barrel moving rack, wherein the axis of two rows of transmission shafts on the barrel rolling rack and the axis of two rows of transmission shafts on the barrel moving rack are on the same horizontal plane, and the axis of two rows of transmission shafts of two types of racks at the same side is collinear so as to ensure that the butt joint barrels are on the same axis; the barrel on the moving rack carries out linear displacement under the transmission action of a moving rack lead screw so as to realize automatic butt joint; under the axial pressure maintained by spring extension, circumference grinding is carried out to enhance the butt joint precision of two barrels; the transmission of the moving rack lead screw drives the butt joint barrel to carry out the linear displacement; and the butt join barrel on the rolling rack carries out circumference rolling to form an opposite spiral butt join-grinding movement with the linear displacement barrel on the moving rack. The tooling equipment of the invention improves equipment service life, reduces energy consumption, improves precision, has simple structure, strong reliability, high butt join precision and speed, time and labor saving, safety and high efficiency and lowers equipment investment.

The invention provides a novel passenger car body transfer spreader, which includes a spreader body and a lifting lug device, the spreader body includes a main frame and a lifting ring connected to the main frame through a lifting chain; four lifting points are arranged on the main frame , the lifting lug device includes lifting claws respectively arranged on each lifting point; the lifting point is also provided with a lifting point sling, and the lifting point sling is connected to a U-shaped lifting device through a connecting ring. The present invention avoids all dependence on the upper side window structure of the passenger car body, reduces the structural strength pressure of the upper side window, and is suitable for the body with curved side windows, as well as open-top and semi-open-top sightseeing cars, and basically meets all requirements. Structural bus body lifting requirements. At the same time, the setting of the U-shaped lifting device strengthens the stability when lifting the vehicle body and avoids friction between the suspenders and the skin of the vehicle body. In addition, manual movement is avoided during the lifting process, which greatly improves labor efficiency and reduces potential safety hazards.

The invention relates to a wall attachment crane, especially a self-elevating wall attachment crane, comprising attachment self-elevating mechanism and hoisting equipment, where extension of hydraulic oil cylinder of the attachment self-elevating mechanism makes wall attachment crane frame and runner frame slide on the outer wall of a kernel cylinder in turn, so as to support attachment in turn of wall attachment crane frame anchor bolt and runner frame anchor bolt on the outer wall of the kernel cylinder, thus meeting the requirements of self-elevating on the outer wall of the kernel cylinder. And it has functions of self-elevating attached to the outer wall of the kernel cylinder according to the given requirements and performing hoisting operation; and it largely improves economy; it adopts a combined structure, simplifies assembly and disassembly and the wall attachment crane frame can be equipped with the hoisting equipment and other matching construction equipment.

The invention discloses a steel-concrete-ultrahigh-performance concrete combined segment and a construction method thereof. The steel-concrete-ultrahigh-performance concrete combined segment comprises an upper-layer ultrahigh-performance concrete plate, a lower-layer steel plate and a plurality of pieces of connecting profile steel arranged between the upper-layer ultrahigh-performance concrete plate and the lower-layer steel plate and arranged in the annular direction of the lower-layer steel plate; the connecting profile steel comprises side profile steel arranged on the two sides close to the length direction of the lower-layer steel plate, edge gaps are formed between the side profile steel and the edges of the two sides of the lower-layer steel plate and the upper-layer ultrahigh-performance concrete plate, and the edges of the two sides, in the length direction, of the upper-layer ultrahigh-performance concrete plate downwards extend into the edge gaps in the direction of the lower-layer steel plate; and the gap between the upper-layer ultrahigh-performance concrete plate and the lower-layer steel plate is divided into a plurality of cavities used for being filled with concrete through the connecting profile steel, and the tunnel segment further comprises concrete filled in the cavities. The combined tunnel segment has the advantages of being high in durability, high in material utilization efficiency, easy to assemble and construct and wide in application range.

The invention provides a horizontal connecting structure and connecting method of a laminated slab type edge component and a solid shear wall. At present, for different assembled building constructionmodes, generated economical benefits and social benefits are different. An edge component of a reinforced concrete shear wall structure at a current stage uses a cast-in-place form, and the filed cast-in-place amount is great. The horizontal connecting structure of the laminated slab type edge component and the solid shear wall comprises the prefabricated laminated slab type edge component (1) and the solid shear wall (2), wherein the prefabricated laminated slab type edge component is a 1-shaped edge component or a T-shaped or L-shaped or Z-shaped or U-shaped component formed by the 1-shapededge components; the 1-shaped edge component consists of two layers of prefabricated concrete thin slabs (3); a cavity is formed between the two layers of prefabricated concrete thin slabs; edge component longitudinal steel bars (4) and hoop bars (5) are embedded in the two layers of prefabricated concrete thin slabs; the hoop bars are in a sealed annular shape; and the end parts of the prefabricated laminated slab type edge component are connected with the solid shear wall. The horizontal connecting structure and connecting method are used in the field of building construction.

The invention discloses hydraulic drive automatic gyrorotor butting tooling equipment, which mainly comprises a cylinder rolling rack and a cylinder moving rack. Axes of two rows of transmission shafts on the cylinder rolling rack and axes of two rows of transmission shafts on the cylinder moving rack are positioned on the same plane, and the axes of the transmission shafts on the same side of the two racks are collinear, so that cylinders are butted in the same axis; under the hydraulic driving of the moving rack, the cylinders on the moving rack are displaced linearly, automatically butted,and subjected to circumferential grinding-in, and the butting accuracy of two cylinders is improved; and under the transmission of the hydraulic cylinder of the moving rack, the butted cylinders are driven to displace linearly, circumferentially roll on the rolling rack, and form relative spiral butting-grinding-in motion with the cylinders linearly displacing on the moving rack. The service lifeof the equipment is prolonged, the energy consumption is reduced, and the accuracy is improved; and the equipment has a simple structure, high reliability, high butting accuracy and high speed, is time-saving, labor-saving, safe and high-efficiency, and reduces equipment investment.

The invention discloses a construction method for opening of a lateral large hole in a large-section jacking pipe. Two or more steel pipe sections are connected successively in the longitudinal direction to form an open-hole type jacking pipe piece structure in a jacking pipe working well, and after the adjacent steel pipe sections are connected and fastened through bolt components, a continuous hole is opened in the lateral faces of at least two steel pipe sections. The open-hole type jacking pipe piece structure is formed by successive connection of the steel pipe sections in the jacking pipe working well, and accordingly the hoisting difficulty and the requirement for the hoisting site can be reduced, and the size of the working well is reduced. Structural strength at joints is guaranteed so that holes large in size can be opened in the two or more steel pipe sections and at the joints of the steel pipe sections, and the situations of heavy pipe pieces, difficulties in hoisting and deviation rectifying and the like caused by opening of the large hole in the same reinforced concrete pipe piece are prevented. The construction method can be applied to jacking pipe construction.

The invention provides a single-point hoisting type pile erecting system and a construction method for pile erecting, and belongs to the technical field of offshore wind power pile foundation construction. The single-point hoisting type pile erecting system and the construction method for pile erecting realize single-point hoisting type pile erecting of an offshore wind power pile. The single-point hoisting type pile erecting system involves a crane, a guide frame, a pile turning device, a clamping block and a hoisting point, wherein the clamping block and the hoisting point are arranged on apile body; the clamping block and the hoisting point are arranged close to the two axial ends of the pile body, and the clamping block is located on the lower side surface of the pile body when the pile body is horizontally placed; a hoisting cable of the crane is connected with the hoisting point; the guide frame is fixedly supported on the seabed at the position of the pile to be erected, the guide frame is located below the end, provided with the clamping block, of the pile body when the pile body is horizontally placed, and a U-shaped opening for allowing the pile body to be turned thereinand limiting the position of the erected pile body is formed in the side, away from the hoisting point, of the guide frame; the pile turning device is arranged on the side, away from the U-shaped opening, of the top of the guide frame, the pile turning device turns towards the direction of the U-shaped opening, the pile turning device supports the lower side surface of the pile body when the pilebody is horizontally placed, and the side, close to the hoisting point, of the pile turning device is abutted against the side, away from the hoisting point, of the clamping block.