68results about How to "Reasonable power transmission" patented technology

The invention relates to a fully assembled segmented anti-buckling supporting member with crossed cores capable of being directly replaced, and belongs to the field of structural engineering. The anti-buckling supporting member is composed of two edge section crossed core components, n middle section crossed core components, two edge section assembled-type peripheral constraining devices, (n-1) middle section assembled-type peripheral constraining devices, 4(n+1) core outer side L-shaped connecting members, a first high-strength bolt group and a second high-strength bolt group. Based on a component segmented assembled-type designing concept, an ultra-long ultra-heavy anti-buckling supporting member is divided into a plurality of sections to overcome the inconveniences of long and heavy components during the processing, transporting and installing processes. The core outer side L-shaped connecting members and the core components are arranged to tightly jack and transmit axial force in segments, weakening areas are arranged on the core components to achieve plasticity damage control, the releasing and replacing of damaged cores can be achieved without dismantling the peripheral constraining devices from the anti-buckling supporting members by the above arrangements, and post-quake repairing operation is optimized.

The invention discloses a vehicle-mounted emergency rescue folding bridge, which comprises a transport vehicle and a transport frame, wherein the transport frame is placed on the transport vehicle; bridge hydraulic cylinders are hinged to the upper end of the transport frame in a front-back symmetry mode. The output end of the bridge hydraulic cylinder is hinged with a bridge main body; a bridge steel cable is arranged between the transport frame and the bridge main body; the right end of the transport frame is slidably connected with a balance frame. A front supporting hydraulic cylinder anda rear supporting hydraulic cylinder are symmetrically arranged at the lower end of the transport frame. A first bridge surface hydraulic cylinder is hinged to the right end of the bridge main body; afirst bridge deck slab is hinged to the output end of the first bridge deck hydraulic cylinder; the left end of the first bridge deck slab is hinged to the bridge main body; and the left end of the bridge main body is hinged with a second bridge deck hydraulic cylinder. A temporary bridge can be erected on a damaged and blocked road in a disaster area, the requirement for erecting a temporary bridge in emergency situations such as natural disasters is specially met, and rapid folding, unfolding and transferring are facilitated.

The invention provides a lifting closure construction method of arch ribs of an arch bridge. An arch rib is divided into two arch foot-arch rib sections, an arch rib lifting section and two arch rib closure sections for connecting the arch rib lifting section and the arch foot-arch rib sections. The arch foot-arch rib sections are directly assembled at the designed installation position, the archrib lifting section is assembled on a support below the designed installation position, and the arch rib lifting section is lifted to the designed elevation after assembly and connected with the archfoot-arch rib sections through the closure sections. The arch foot side arch ribs and the arch rib lifting section can be spliced at the same time, and the construction period can be shortened; the arch rib lifting section is machined at a lower position and then lifted to the designed elevation after machining is completed, so that the aerial work amount is reduced, the deformation amount of thearch rib in the horizontal direction and the vertical direction in the lifting process is reduced, and the construction safety and the installation precision are improved.

The invention discloses a bottom plate jacking system for jacking a closure section of a continuous rigid frame bridge and a construction method of the bottom plate jacking system. The bottom plate jacking system comprises two sets of bottom plate embedded bases arranged at the ends of two cantilever beam sections of the continuous rigid frame bridge correspondingly, rigid supporting structures supported between the two sets of bottom plate embedded bases and a jacking mechanism used for jacking the rigid supporting structures. Each set of bottom plate embedded bases comprises a left bottom plate embedded base and a right bottom plate embedded base distributed on the same cantilever beam section. The rigid supporting structures are supporting structures for longitudinal jacking or supporting structures for oblique jacking. One ends of the rigid supporting structures are the fixing ends, and the other ends of the rigid supporting structures are jacking ends. The construction method comprises the steps of (1) construction of the bottom plate embedded bases, (2) mounting of the jacking mechanism and (3) mounting of the rigid supporting structures. The bottom plate jacking system is reasonable in design, easy and convenient to construct and good in use effect, the jacking process of the cantilever beam sections on the two sides of the closure section can be completed easily, conveniently and rapidly, and the correction requirements of lateral deviation and reverse deviation of the cantilever beam sections can be met.

The invention provides a column and curved beam horizontal and flexible connection space structure system. Columns and curved beams are horizontally and flexibly connected through horizontal and flexible connecting devices, each horizontal and flexible connecting device comprises a column connector, a curved beam connector a and a steel pull rod for connecting the column connector with the curved beam connector. A vertical suspending connecting device is further connected onto each curved beam and comprises a curved beam connector b and a movable steel suspending rod. The column and curved beam horizontal and flexible connection space structure system is a grid structure and suspended-cable structure combined space structure system. In a space truss structure system, the strength and ductility of a grid curved beam structure are improved, bending resistance bearing capacity of the curved beams is remarkably improved, and deflection deformation of the curved beams is reduced. In a suspended-cable structure, suspended steel structure curved beams are connected through flexible suspending rods. The column and curved beam horizontal and flexible connection space structure system has the flexible connection characteristic, accordingly is simple in overall appearance, even in stress, good in anti-seismic energy dissipation performance and easy to repair and maintain and meets the comfort degree requirement of a suspended steel structure.

The invention discloses a side plate connecting beam and column joint structure and a connecting method. Two parallelly-arranged transverse reinforcing ribs are arranged between two column flanges ofan H type column, and the planes where the maximum surfaces of the transverse reinforcing ribs are located are simultaneously perpendicular to the planes where the maximum surfaces of the column flanges are located and the plane where the maximum surface of a column web is located; side plates are welded to the H type column, and lug plates are welded to the side plates; and enlarging wing platesare arranged on the two sides of beam flanges of an H type beam in the weak axis direction of the H type column, the end faces of the beam flanges and the enlarging wing plates are welded to the otherside faces of the side plates, and the side faces of the enlarging wing plates are welded to the side faces of the lug plates. Through the arrangement of the enlarging wing plate structures, the connecting strength of a beam and column joint is improved. By the adoption of the joint structure, under the effect of cyclic loading, plastic deformation is concentrated on end beam sections reinforcedby steel beam flange enlarging wings, a joint domain is in an elastic state, outward movement of a plastic hinge on the beam can be well achieved under the effect of cyclic loading, and the requirements of the ductility and the bearing performance of the joint are increased.

The invention discloses a totally-assembled type hollow interlayer steel pipe concrete combined tower barrel and joints, and relates to the technical field of wind power generation. The system comprises a hollow interlayer steel pipe concrete barrel body, transverse joints, longitudinal joints and corresponding structures. The hollow interlayer steel pipe concrete barrel body is composed of an outer-layer steel pipe, an inner-layer steel pipe and concrete, studs, angle iron, T-shaped steel or the combination of the studs, the angle iron, the T-shaped steel is welded to one side of each steel pipe in advance, and then concrete pouring is conducted. The hollow interlayer steel pipe concrete barrel body is divided into 2-8 sheets in the ring direction, connection is conducted through the transverse joints, and two forms are adopted in the transverse joints. Segmented assembling of the hollow interlayer steel pipe concrete barrel body in the height direction is achieved, various segments are connected through the longitudinal joints, and two forms are adopted in the longitudinal joints. According to the system, the advantages of a combined structure are brought into full play, the stress form is reasonable, and joint connection is reliable. All the components can be prefabricated in advance, field assembling is adopted, transportation is convenient, the construction efficiency is improved, the material usage amount is reduced, and wide project application prospects are achieved.

The invention relates to a full-assembly-type buckling-restrained brace with a linear inner core capable of being replaced directly and belongs to the field of structural engineering. The full-assembly-type buckling-restrained brace is constituted by two linear inner core components, an assembly-type periphery restraining device, two inner core outer side connecting cover plates and a first high-strength bolt group. On the basis of the inner core sectional assembly-type design concept, the axial pressure is transmitted through the linear inner core components in a sectional jacking mode, and axial tension is transmitted through the inner core outer side connecting cover plates and the first high-strength bolt group. The plastic developing areas of the inner core components are controlled by arranging dog bone weakening parts or grooving weakening parts on the linear inner core components, thus the two inner core components can be pulled away from the periphery restraining device to bereplaced only by disassembling the first high-strength bolt group and the inner core outer side connecting cover plates after an earthquake while the buckling-restrained brace meets basic bearing andenergy consumption, the disadvantage that when a traditional assembly-type buckling-restrained brace replaces an inner core, the periphery restraining device further needs to be disassembled is overcome, and the post-earthquake repairing work is optimized.

The invention discloses a mechanism for controlling opening and closing of a valve, a variable valve device and a method. The problem of poor in-cylinder braking effect in the prior art is solved, thebeneficial effect of realizing in-cylinder braking is achieved, the specific solution of the mechanism for controlling the opening and closing of the valve comprises a plunger sleeve, a rotatable control sleeve is arranged on the plunger sleeve part in the circumferential direction, plungers are arranged in the plunger sleeve and the control sleeve, oil control molded lines are arranged in the plungers, protrusions capable of moving along the oil control molded lines of the plungers are arranged on the inner sides of the control sleeves, one ends of the plungers exceed the control sleeve, oilinlet and return holes and oil outlet holes are formed in the side portions, close to the other ends of the plungers, of the plunger sleeve, oil cavities are formed between the end parts of the plungers and the plunger sleeve in the plunger sleeve, the ends, away from the oil outlet holes, of the plungers are arranged in a shell, a rolling body is movably arranged in the shell, the rolling body can move along the inner side of the shell under the action of external force and can make contact with the end parts of the plungers.

The invention relates to a hanging board, a hanging part, an installing node of an outer hanging board and a preparation method of the hanging board. The hanging board comprises a hanging board body, wherein a reinforcing groove is formed in the middle of the hanging board body, a first portion and a second portion are formed at the upper portion of the hanging board body, the first portion comprises a connecting board, a clamp-connecting groove is formed in the upper end of the second portion, a cover board is fixedly arranged at the upper portion of the connecting board and is provided with a groove, the groove of the cover board and the reinforcing groove of the connecting board form a penetrating-connecting hole, the first portion and the second portion are connected, the included angle formed by the first portion and the second portion is an acute angle, and a connecting portion is arranged at the bottom end of a hanging part body. The characteristic of the strong tension resistance capability of a steel material are fully utilized. In addition, the hanging part does not deform itself due to a shear force and a bending moment force, the thickness of the connecting board or the hanging board can be appropriately decreased, the cost is saved, the economic benefits are increased, and the hanging board is ingenious in design and reasonable in stress.

The invention relates to a hanging board, a hanging part, an installing node of an outer hanging board and a preparation method of the hanging board. The hanging board comprises a hanging board body, wherein the hanging board body comprises a hanging-connecting board, a connecting board, a fixing board and a diagonal pull plate, one end of the connecting board is connected with the hanging-connecting board, the other end of the connecting board is connected with the fixing board, a first connecting portion and a second connecting portion are arranged at the upper portion and the lower portion of the hanging-connecting board respectively, the fixing board is arranged at the upper portion of one end of the connecting board, one end of the diagonal pull plate is connected with the connecting board, and the other end of the diagonal pull plate is connected with the fixing board. The connecting board and the fixing board are connected by adopting the diagonal pull plate, so that the diagonal pull plate bears a certain pull force, the shear force and bending moment force borne by the connecting board are decreased, and the characteristic of the strong tension resistance capability of a steel material are fully utilized. In addition, the hanging part does not deform itself due to the shear force and the bending moment force, the overall thickness of the connecting board or the hanging board can be appropriately decreased, the cost is saved, the economic benefits are increased, and the hanging board does not form a weak portion due to the influence of the shear force and the bending moment force and is ingenious in design and reasonable in stress.

The invention discloses a prestressed carbon fiber-reinforced plastic plate anchorage device and a manufacturing method thereof. The device comprises an upper steel plate and a lower steel plate and the upper and lower steel plates are used for clamping a plate. The manufacturing method comprises that multiple wedge-shaped grooves are arranged between the upper and lower steel plates, the surfaces of the wedge-shaped grooves are uniformly coated with a release agent, the grooves are filled with epoxy resin, the upper and lower steel plates are fastened through anchor bolts, the plate is slowly inserted into one end of the two steel plates from the other end along the surface groove, and after the epoxy resin is completely cured, the plate is anchored to a concrete member to be reinforced through anchor bolts. The prestressed carbon fiber-reinforced plastic plate anchorage device is prepared through the above method. The anchorage device has a simple design, reasonable force transmission, good reliability and good stability. The anchorage device has high efficiency anchoring performances. The plate does not slide or the anchorage device inner plate is not damaged even if the carbon fiber plate can be stretched until cracking.

The invention relates to the field of building construction, in particular to a vertical connecting node for a fabricated building edge module. The vertical connecting node for the fabricated buildingedge module and a using method thereof comprise columns (1) and beams (2), and the vertical connecting node is characterized by further comprising connecting corner pieces (3), a T-shaped connectingpiece (4), a backing plate (5) and inclined supporting plates (6), wherein two connecting members (7) are sequentially arranged in the vertical direction and the columns (1) are arranged vertically, and one ends of the two connecting members (7) are connected through the T-shaped connecting piece (4); and the backing plate (5) is arranged between the two beams (2). The using method of the verticalconnecting node for the fabricated building edge module is characterized by comprising the following steps of (1) manufacturing the connecting members; and (2) building. The vertical connecting nodeis convenient to install, high in environmental adaptability and high in mechanical performance.

The invention discloses a non-conventional winding system for a high-multiplying-power bridge crane. The system comprises a winding barrel, a fixed pulley block, a balanced pulley block, a movable pulley block and a steel wire rope, which are arranged from top to bottom, wherein a rope unwinding end and a rope winding end of the steel wire rope are fixed at two sides of the winding barrel respectively; a rope unwinding section of the steel wire rope sequentially winds around rope unwinding pulley combinations in the movable pulley block and the fixed pulley block in a mutual staggering manner;a rope winding section of the steel wire rope sequentially winds around rope winding pulley combinations in the movable pulley block and the fixed pulley block in the mutual staggering manner; the steel wire rope is located at a transition section between the rope unwinding section and the rope winding section and winds around the balanced pulley block. According to the non-conventional winding system disclosed by the invention, hoisting tonnages are improved through the increasing of multiplying power of the pulley blocks; the maximum deflection angle of an unwinding barrel of the steel wirerope is reduced through improving a rope winding manner, a transverse force on a side wall of a winding barrel rope groove is reduced, the abrasion of the steel wire rope is reduced, the safety and reliability of hoisting are improved and the winding problem of the high-tonnage and high-multiplying-power bridge crane is solved; the non-conventional winding system has the characteristics of economical efficiency, practicability, novelty and the like.

The invention discloses a steel-concrete mixed structure floating type wind power foundation, and relates to the technical field of offshore wind power generation. The system comprises a buoy, a transition section, a transverse support steel pipe, an inclined support steel pipe, a heaving plate and a horizontal coupling beam. The buoys are made of concrete materials, prestressed tendons are arranged in the radial directions of the buoys, and upper joints of the buoys are reinforced through inner and outer double-layer steel pipes. The upper part of the transition section is connected with the bottom of the tower drum through a flange; the lower part of the transition section is welded with the steel pipe in the buoy; the transverse supporting steel pipe is used for being connected with the buoy and penetrating the transverse supporting steel pipe into the buoy. The inclined strut steel pipe is used for connecting the buoy and the horizontal coupling beam, and the two ends of the inclined strut penetrate into the buoy and the horizontal coupling beam; the heaving plate is a concrete plate at the bottom of the buoy; and the horizontal coupling beam is used for connecting a heaving plate below the buoy. The system gives full play to the advantages of steel and concrete, is reasonable in stress form, reliable in connection and low in manufacturing cost, and has wide engineering application prospects.